CN103140164A - Ear thermometer - Google Patents
Ear thermometer Download PDFInfo
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- CN103140164A CN103140164A CN2011800475772A CN201180047577A CN103140164A CN 103140164 A CN103140164 A CN 103140164A CN 2011800475772 A CN2011800475772 A CN 2011800475772A CN 201180047577 A CN201180047577 A CN 201180047577A CN 103140164 A CN103140164 A CN 103140164A
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- clinical thermometer
- ear clinical
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- 238000009529 body temperature measurement Methods 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 21
- 230000036760 body temperature Effects 0.000 claims abstract description 18
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Images
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/12—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0003—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
- G01J5/0011—Ear thermometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/0275—Control or determination of height or distance or angle information for sensors or receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/04—Casings
- G01J5/049—Casings for tympanic thermometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
- G01J5/064—Ambient temperature sensor; Housing temperature sensor; Constructional details thereof
Abstract
An ear thermometer comprises a cylindrical probe and an accommodating body that accommodates an infrared detection element. The ear thermometer measures the body temperature of a subject from a signal obtained by using the infrared detection element to detect infrared rays that are emitted from a measurement site within the external auditory canal of the subject and are picked up from the tip end of the probe. A plurality of contact sensors capable of detecting whether or not contact is made with an external body are independently provided on the end face of the tip end of the probe or on a side face of the tip end. A projection/detection optical sensor comprising an optical projector that generates light and an optical detector that detects reflected light from the light generated by the optical projector is disposed within the probe. A control section of the ear thermometer is capable of commencing body temperature measurement performed by the infrared detection element if signals that are received from the plurality of contact sensors and indicate whether or not contact has been made and the intensity of the light received by the optical detector satisfy prescribed conditions.
Description
Technical field
The present invention relates to a kind of ear clinical thermometer.
Background technology
All the time, use be following ear clinical thermometer, that is: will pop one's head in and insert the ear intracavity, detect tympanum or its peripheral temperature, measure thus examinee's body temperature.
Usually, ear clinical thermometer has: the detector unit of testing environment temperature (for example, critesistor) and the infrared-ray detecting element that the infrared ray from temperature measuring position (tympanum or its periphery) radiation of ear intracavity is detected (for example, the thermocouple that is consisted of by cold junction and hot junction), and according to the detected temperatures of each detecting element, calculate examinee's body temperature.
Namely, in the situation that ear clinical thermometer, adopt direct mensuration from the ultrared mode as the temperature measuring position radiation of thermal source, therefore with the clinical thermometer of other modes (for example, the clinical thermometer that the oxter is bar-shaped) compare, have short and high-precision feature of time that body temperature measurement spends.
On the other hand, in the situation that ear clinical thermometer is compared with the clinical thermometer of other modes, exist repeatability to hang down this shortcoming.As one of them former because, can enumerate in the situation that ear clinical thermometer, be easy to be subject to by infrared-ray detecting element towards with respect to the temperature measuring position, the impact that dislocation causes occuring.
Usually, ear clinical thermometer is measured the infrared ray that directly arrives infrared-ray detecting element via the peristome that is formed on the probe portion front end.Therefore, when the infrared ray detecting element towards when dislocation, radiation arrives ultrared zone (measurement range) dislocation of infrared-ray detecting element via peristome, occupy this zone (measurement range), reduce as the ratio at the temperature measuring position (tympanum or its periphery) of thermal source, consequently evaluated error becomes large.
Therefore, when carrying out body temperature measurement, the suitable mensuration state that is achieved as follows is indispensable, that is: the front end with probe portion inserts in earhole reliably, perhaps, can't insert in the situation that earhole is very little, make the front end of probe portion be close to earhole in the mode of blocking earhole.
Patent documentation 1: TOHKEMY 2008-241362 communique
Summary of the invention
In the situation that child, infant, earhole is very little, the probe front end can't be inserted in earhole, in this case, need to make the front end of probe be close to the earhole periphery in the mode that covers earhole and measure.But in the situation that child, infant, ear is very little, be difficult to will probe front end be attached on earhole, and be very difficult to make the measured static within a certain period of time, and its situation of carrying out body temperature measurement is a lot of reluctantly owing to crying and screaming.
Therefore, when measuring, need the limit to retrain or pin the head limit and measure, it is a lot of that mensuration person is difficult to situation about measuring by the suitable installation of observing to confirm to pop one's head in, thereby the situation that produces evaluated error is a lot.
The present invention completes in view of above-mentioned problem, the object of the present invention is to provide a kind of ear clinical thermometer, and this ear clinical thermometer is easily carried out the measurement of bldy temperature under the state that external auditory meatus with respect to the examinee configured probe portion rightly.
To achieve these goals, ear clinical thermometer of the present invention has following such structure.That is:
A kind of ear clinical thermometer, have the probe portion of tubular and take in the packaging container of infrared-ray detecting element, and measure examinee's body temperature according to the signal that obtains with above-mentioned infrared-ray detecting element detection infrared ray, wherein above-mentioned infrared ray in examinee's the external auditory meatus mensuration position radiation and be collected from the front end of above-mentioned probe portion, above-mentioned ear clinical thermometer comprises:
A plurality of touch sensors, it is arranged on the end face of front end of above-mentioned probe portion or the side of above-mentioned front end, and can detect independently respectively and have or not and the contacting of exterior object;
Light projector is subjected to optical sensor, and it is installed on the inside of above-mentioned probe portion, and has the light projector that sends light, and accepts the light-receiving device of the reflection of light light that above-mentioned light projector sends; And
Control part, it can begin the body temperature measurement that is undertaken by above-mentioned infrared-ray detecting element in the situation that have the signal of contactless signal and the above-mentioned light projector intensity of reflected light in being subjected to the above-mentioned light-receiving device of optical sensor to satisfy rated condition from the expression of above-mentioned a plurality of touch sensors respectively.
According to the present invention, the ear clinical thermometer that can be achieved as follows, namely, thereby in the situation that can't make its static child, infant that need to retrain or pin in mensuration, even do not confirm by observation, front end that also can detection probe is close to the situation of the periphery of earhole, and the device automatic decision has formed the probe front end over against this appropriate installation of earhole, thereby measures.
Other features and advantages of the present invention are come clear and definite by the following description take accompanying drawing as reference.In addition, in the accompanying drawings, to the identical or same identical Reference numeral of structure mark.
Description of drawings
Accompanying drawing is included in description, consists of the part of description, the expression embodiments of the present invention, and describe one with it and be used from explanation principle of the present invention.
Fig. 1 means the figure of surface structure of the ear clinical thermometer 100 of embodiment.
Fig. 2 is front view and the side view of ear clinical thermometer 100.
Fig. 3 means that mensuration person has installed the figure of the situation after ear clinical thermometer 100.
Fig. 4 means and uses ear clinical thermometer 100 to carry out the figure of the situation of body temperature measurement.
Fig. 5 is the figure of structure of the probe portion of explanation embodiment.
Fig. 6 means the figure of structure of the detecting element packaging container of ear clinical thermometer 100.
Fig. 7 means the figure of the functional structure of ear clinical thermometer 100 integral body.
Fig. 8 means the flow chart of the flow process that the body temperature measurement in ear clinical thermometer 100 is processed.
Fig. 9 is the figure that the mensuration of the probe portion of explanation embodiment begins condition.
Figure 10 means the figure of the surface structure of ear clinical thermometer.
Figure 11 is that application is in the figure of the probe portion with light guide.
The specific embodiment
Below, the limit is with reference to accompanying drawing limit explanation the preferred embodiment of the present invention.
[the 1st embodiment]
1. the surface structure of ear clinical thermometer
At first, the surface structure of the ear clinical thermometer 100 of embodiments of the present invention is described.Fig. 1 means the figure of surface structure of the ear clinical thermometer 100 of embodiment.
In Fig. 1, the 101st, probe portion is for the infrared ray that detects temperature measuring position (preferably tympanum and/or its periphery) radiation in the external auditory meatus and insert ear intracavity (external auditory meatus).The outside dimension that probe portion 101 is front end is the tubular of about 7mm, in the external auditory meatus that can insert the adult.In addition, the front end face from this probe portion 101 is provided with 4 the pressure element 110a～110d (with reference to the 2A of Fig. 2) that have the installation phase contrast of 90 degree with respect to the circumference of leading section to the side.As long as it is no matter the signal of telecommunication is that what kind can that these pressure elements 110a～110d can detect physical contact, but in the present embodiment, due to situation about exist inserting in external auditory meatus, thus be for the examinee be difficult to produce sense of discomfort elastomer, be pressure-sensitive rubber (rubber that resistance changes due to pressure).In addition, the number of pressure element also is not limited to 4.Like this, pressure element 110a～110d is arranged at the end face of front end of probe portion 101 or the side of front end, has or not a plurality of touch sensors that contact with exterior object to play a role as detecting independently respectively.
The 102nd, the probe support is a face upper support probe portion 101.In addition, with the relative face 111 of face of supporting probe portion 101 on be provided with finger fixation wall 103, when these finger fixation wall 103 regulations are installed on ear clinical thermometer 100 on mensuration person's finger, the X-direction (positive direction and negative direction) of this finger and the position of Y direction (negative direction).
Need to prove, the length of the Y direction of face 111 is roughly from the length of front end to the 1 juxtra-articular of mensuration person finger, and constituting mensuration person's finger abdomen (part with fingerprint, the part of the palmar aspect side of the digital tip section) position relative with the bearing position with supporting probe portion 101 on face 111 contacts.Thus, when the front end with probe portion 101 was inserted into examinee's ear intracavity, mensuration person can feel the sensation that the front end of probe portion 101 contacts with the ear wall sensitively by finger tip.
The 104th, fixed part, the control circuit of built-in control ear clinical thermometer 100 integral body.Fixed part 104 has face 112, and this face 112 forms same planes with the face 111 of probe support 102, and fixed part 104 constitutes when ear clinical thermometer 100 is installed on mensuration person's finger, contacts with the more forward distolateral part in ratio the 1st joint of mensuration person's finger.In addition, constitute in the ear clinical thermometer 100 of present embodiment, the length of the Y direction of fixed part 104 is roughly the length in the 1st joint of mensuration person's finger.Thus, the action that mensuration person can freely flex one's fingers when ear clinical thermometer 100 is inserted into examinee's ear intracavity, can be carried out at finger tip the adjustment of minute angle.That is, can carry out accurately the para-position of the front end of probe portion.In addition, be provided with finger fixation wall 105 on the face 112 of fixed part 104, this finger fixation wall 105 is defined in the position of X-direction (positive direction and negative direction) when being installed on ear clinical thermometer 100 on mensuration person's finger, this finger.
In addition, be provided with the mounting strap 106,108 on the finger that is wound on mensuration person in the side of fixed part 104, load under the state on the face 112 of the face 111 of probe support 102 and fixed part 104 at mensuration person's finger, coiling mounting strap 106 on this mensuration person's finger, make mounting strap 108 pass the installing ring 107 of mounting strap 106 front ends, pull mounting strap 108 to X-direction (negative direction) afterwards.By such step, can be stably mensuration person's finger be fixed on ear clinical thermometer 100.That is, mounting strap 106,108, installing ring 107 realized being used for ear clinical thermometer 100 is installed on installation function on mensuration person's finger, utilizes this installation function and the probe support 102 that is mounted and fixed part 104 are brought into play the effect as installation portion integratedly.
In addition, have respectively the magic tape of public type and the magic tape of parent form (not shown) on mounting strap 106 and mounting strap 108, and constitute pulling under the state of mounting strap 108 along X-direction (negative direction), mounting strap 108 can be connected and fixed on mounting strap 106.
2. the structure of the front of ear clinical thermometer 100 and side
The structure of front and the side of ear clinical thermometer 100 then, is described.The 2A of Fig. 2 is the front view of ear clinical thermometer 100, and the 2B of Fig. 2 is the side view of ear clinical thermometer 100.
As shown in the 2A of Fig. 2, be provided with display part 201 on the face 211 relative with the face 112 of fixed part 104 (with the face of bearing position the same side of supporting probe portion 101), show the examinee's who measures body temperature.In addition, be provided with on and off switch 202 on face 211, can control by pressing operation the ON/OFF of the power supply of ear clinical thermometer 100.
In addition, as shown in the 2B of Fig. 2, be provided with speaker 204 in the side of fixed part 104, situation about finishing at body temperature measurement, suitably the situation of probe and that the situation of probe is installed suitably is inferior, output sound be installed.The 205th, LED element is controlled bright light accordingly with the internal state of ear clinical thermometer 100.In the present embodiment, when the operation by on and off switch 202 and during input electric power, at first bright is red light, afterwards, bright in the execution of body temperature measurement is green light, and again bright when body temperature measurement finishes is red light.
3. the installment state of ear clinical thermometer 100
Then, state after ear clinical thermometer 100 has been installed with reference to Fig. 3 limit explanation mensuration person in the limit.As shown in Figure 3, the leading section of mensuration person's finger contacts with finger fixation wall 103, stipulates thus the position of Y direction (negative direction) and the X-direction (positive direction and negative direction) of mensuration person's finger.In addition, be arranged on the installing ring 107 of mounting strap 106 front ends by mounting strap 108 is passed, and pull mounting strap 108 to X-direction (negative direction), the more forward distolateral part in ratio the 1st joint of mensuration person's finger is fixed on fixed part 104.
As mentioned above, be installed at ear clinical thermometer 100 under the state on mensuration person's finger, the 1st joint that mensuration person can flex one's fingers, thus, press probe portion 101 leading sections and when entering probe portion 101 to the external auditory meatus interpolation at the periphery to examinee's earhole, mensuration person can carry out inching to the position of the front end of probe portion 101.In addition, mensuration person's finger abdomen is directly over the face of probe support 102, so mensuration person can feel the sensation that the front end of probe portion 101 contacts with the ear wall sensitively by finger tip.
In addition, as shown in Figure 3, ear clinical thermometer 100 stably is fixed on arbitrary finger (being generally forefinger) of mensuration person, and therefore when measuring examinee's body temperature, mensuration person can freely retrain head etc. with the finger except the finger that ear clinical thermometer 100 is installed.
4. the body temperature measurement that is undertaken by ear clinical thermometer 100
Then, ear clinical thermometer 100 is installed with reference to accompanying drawing 4 limit explanation mensuration persons in the limit, and carries out the situation of examinee's body temperature measurement.As shown in Figure 4, in the situation that ear clinical thermometer 100 is installed on mensuration person's the forefinger of the right hand, can freely use the finger except right hand forefinger.Therefore, mensuration person's enough two handss of energy (finger except forefinger of the finger that left hand is whole and the right hand) are pinned examinee's head.
Like this, ear clinical thermometer 100 according to present embodiment, when measuring, can pin the examinee by enough two handss, therefore can be so that the front end of probe portion carry out body temperature measurement over against the state (making the static state of examinee) of earhole exactly, thus the generation of evaluated error can be reduced.
5. the structure of probe portion 101
The structure of probe portion 101 then, is described.The 5A of Fig. 5,5B, 5C are the figure that schematically shows the structure of the probe portion 101 in the ear clinical thermometer 100 of embodiment, and 5A means the figure that observes the situation of probe portion 101 from open side (leading section side).In addition, 5B means the figure in the AA cross section of 5A, and 5C means the figure in the BB cross section of 5A.Probe portion 101 is formed by the hollow tube-shape body that is formed with peristome at front end.Be fixed with detecting element packaging container 500 near the peristome of probe portion 101.Detecting element packaging container 500 take in detect the cold junction temperature detector unit (for example, critesistor) and the infrared-ray detecting element (thermocouple that for example, is consisted of by cold junction and hot junction) that the infrared ray from temperature measuring position (tympanum or its periphery) radiation of ear intracavity is detected.
Fig. 6 dissects the stereoscopic figure that the part of detecting element packaging container 500 represents.As shown in Figure 6, detecting element packaging container 500 has mounting base member 503, be fixed with critesistor 501 and infrared-ray detecting element 502 on mounting base member 503, described critesistor 501 is as the detector unit that detects the cold junction temperature, and 502 pairs of infrared ray from the temperature measuring position radiation of ear intracavity of described infrared-ray detecting element detect.
On the other hand, the infrared-ray detecting element 502 of detection infrared ray IR is adjusted to the detection relative temperature.In the ear clinical thermometer 100 of present embodiment, with the detecting element of thermocouple type (thermopile type) as infrared-ray detecting element 502.Therefore, as shown in Figure 6, form hot junction 502a and the cold junction 502b of petal-shaped ground formation on the chip carrier 502c that is fixed on the pedestal 503b of mounting base member 503.
Each hot junction 502a and cold junction 502b are formed by dissimilar metals, and are connected in series, and are connected with lead-in wire towards the electrode cable 508 that is fixed in state of insulation on mounting base member 503.Need to prove, in order to be easy to absorb infrared ray, the scope H that is surrounded by hot junction 502a is coated with black.Based on such structure, in infrared-ray detecting element 502, carry out the detection of relative temperature based on the electromotive force that produces between each contact.
And, in ear clinical thermometer 100, calculate examinee's body temperature by add the detected temperatures that is detected by infrared-ray detecting element in the detected temperatures that is detected by detector unit.In addition, about the details of this computing, for example carry out detailed record in Japanese kokai publication hei 11-123179 communique, therefore omitting detailed explanation at this.
In addition, detecting element packaging container 500 has the container member 505 of the tubular that forms in the mode that two detecting elements are surrounded, and container member 505 is made of outer peripheral face 505a and end face with hole 504.Container member 505 is also formed by heat transfer good conductors such as aluminium, stainless steel materials in the same manner with mounting base member 503, becomes to be easy to the structure of outside atmosphere temperature conduction to critesistor 501.In addition, 504 places are fixed with by the window member 506 that ceramic material that infrared ray sees through is formed in the hole.
In addition, in the situation that detecting element packaging container 500 shown in Figure 6, on mounting base member 503, extend towards radial direction from its edge and be provided with the outside jaw 503a of section, detecting element packaging container 500 is maintained on the inwall of probe portion 101 thus.In addition, detecting element packaging container 500 by not shown installation component with on 3 inwalls that are fixed in probe portion 101.This is can not conduct to detecting element packaging container 500 for the heat that makes crust.
Get back to Fig. 5, be provided with light projector 113a and light-receiving device 113b in the inside of probe portion 101, they are played a role by optical sensor as light projector.Light projector 113a and light-receiving device 113b are configured in than the detecting element packaging container 500 of the front that is disposed at probe portion 101 position away from this leading section.Light projector 113a has the LED that produces near infrared light, and between the inwall of probe portion 101 and detecting element packaging container 500 by the front end of probe portion 101 to the external irradiation near infrared light.In addition, light projector 113a is the parts of generation near infrared light, but there is no particular limitation for the light wavelength that is subjected at light projector to use in optical sensor.Light-receiving device 113b has optical transistor or photodiode, be arranged to accept between the inwall of probe portion 101 and detecting element packaging container 500 via the front end of probe portion 101 reflected light (reflected light of the near infrared light that light projector 113a sends) of incident.Control part 601 judges according to the catoptrical detected intensity in light-receiving device 113b whether this probe portion 101 has correctly captured earhole (details is as described below).
In addition, be provided with wall member 114 in the inside of the probe portion 101 of present embodiment, to prevent arriving light-receiving device 113b from the direct light of light projector 113a or the reflected light that produces in the inside of probe portion 101.As shown in Figure 5, wall member 114 is connected with the inwall of probe portion 101, and the inner space of probe portion 101 is divided into two parts, and light projector 113a, light-receiving device 113b are present in respectively in space after cutting apart.In addition, as mentioned above, preferably with detecting element packaging container 500 with on 3 inwalls that are fixed on probe portion 101, so that the heat of crust can not conduct to via probe portion 101 detecting element packaging container 500.But, also can make wall member 114 have function as the part of the fixed component of the inside of detecting element packaging container 500 being fixed in probe portion 101 concurrently.For example, when by wall member 114 supporting detecting element packaging container 500, can simplify the structure in probe portion 101.
In addition, figure 5 illustrates light projector 113a and light-receiving device 113b with by with the straight line at the center of the axial vertical cross section of probe portion 101 on clip the situation that the mode at this center configures, but be not limited to this.In addition, wall member 114, be not limited to illustrated length along the axial length of probe portion 101.In addition, the configuration that is subjected to optical sensor based on Segmentation Number and the light projector of wall member is not limited to above-mentioned embodiment.Can be also for example, the space segmentation in probe portion 101 are become four parts, configure light projector in a space, configure light-receiving device in the space that is positioned at the position relative with this space, thereby have light projector, light-receiving device non-conterminous space.
6. the functional structure of ear clinical thermometer 100
The functional structure of ear clinical thermometer 100 then, is described with Fig. 7.Fig. 7 means the block diagram of functional structure of the ear clinical thermometer 100 of present embodiment.Need to prove, in structure shown in Figure 7 or parts, structure that illustrated or the identical Reference numeral of parts mark, and omit detailed explanation at this.
As shown in Figure 7, the critesistor 501 that is built in the detecting element packaging container 500 of probe portion 101 is connected with test section 606 on installation base plate via electrode cable 507.Test section 606 is change in voltage with the resistance variations detection of critesistor 501, and generates the signal of telecommunication of the temperature around expression critesistor 501.The signal of telecommunication that generates at test section 606 converts digital signal to by the A/D converter 6001 in being built in control part 601, uses in control part 601.In addition, the infrared-ray detecting element 502 that detects infrared ray IR is connected with enlarging section 605 on installation base plate via electrode cable 508.The detection signal that amplify from infrared-ray detecting element 502 enlarging section 605.The detection signal that is exaggerated by enlarging section 605 converts digital signal to by the A/D converter 6002 that is built in control part 601, uses in control part 601.Pressure element 110a～110d is connected in test section 611.Test section 611 detects the resistance variations in pressure element 110a～110d and is change in voltage, and generates the signal of telecommunication.The signal of telecommunication that generates in test section 611 uses in control part 601 after being built in and being converted to digital signal in A/D converter 6003 in control part 601.In addition, driven 609 bright lights drive light projector 113a by the signal of control part 601.Accepted by light-receiving device 113b from the light that light projector 113a produces.Light-receiving device 113b generates and the corresponding signal of telecommunication of light intensity that receives.The signal of telecommunication that generates in light-receiving device 113b uses in control part 601 after being built in and being converted to digital signal in A/D converter 6004 in control part 601.
In control part 601 on being disposed at installation base plate, dispose CPU602 and as RAM603 and the ROM604 of memory element, according to the detected temperatures that is detected by critesistor 501 and the detected temperatures that detected by infrared-ray detecting element 502, carry out the calculating of examinee's body temperature.
In addition, be connected with respectively LED element 205, display part 201, speaker 204, and on and off switch 202 on control part 601.Control part 601 is according to judging whether to begin to measure from the detection signal of pressure element 110a～110d and from the intensity of reflected light signal of light-receiving device 113b, automatically begins body temperature measurement when beginning to measure being judged as.Display part 201 is presented at the examinee's who calculates in control part 601 body temperature.LED element 205 is inputted by power supply and bright for red light, and bright when the beginning body temperature measurement be green light, and again bright when the mensuration of examinee's body temperature is completed is red light.In the situation that the mensuration of examinee's body temperature is completed and begin condition, speaker 204 output sounds in the situation that the signal that the light quantity of the different situation of the resistance variations of 4 pressure element 110a～110d or light-receiving device 113b detects greater than the situation of setting etc., by pressure element and light-receiving device does not satisfy the mensuration of body temperature.In addition, control part 601 constitutes, and by on and off switch 202 is carried out pressing operation, accepts supply with and work from the electric power of button cell 608 (power supply unit).
7. the flow process processed of body temperature measurement
Then, the flow process that the body temperature measurement in ear clinical thermometer 100 is processed is described.Fig. 8 means the flow chart of the flow process (being stored in the treatment step of the program in ROM604) that the body temperature measurement in ear clinical thermometer 100 is processed.
When on and off switch 202 was carried out pressing operation, at first, control part 601 was carried out the initialization process (step S801) of various circuit.Then, in step S802, control part 601 checks whether each pressure element 110a～110d contacts equably with exterior object.Namely, as previously mentioned, in the present embodiment pressure-sensitive rubber is used as pressure element 110a～110d, therefore in the situation that there is the resistance variations more than predefined threshold value in the resistance value with respect to without pressure the time, control part 601 has been judged as contact, in the situation that the discontented threshold value of resistance variations is judged as contactless.In addition, in step S803, detect whether all producing the resistance variations more than certain value in pressure element, but be not limited to this.Can be also in the situation that the resistance variations in 4 pressure element 110a～110d is in prescribed limit, is judged as each pressure element 110a～110d and contacts equably with exterior object.
When being judged as when in whole pressure element 110a～110d, contact being arranged, advance from step S803 to step S804.In other cases, processing is returned to step S802 from step S803.In step S804, control part 601 obtains the intensity of reflected light signal from light-receiving device 113b, detection of reflected light intensity.Then, in step S805, control part 601 is this intensity of reflected light and setting relatively.If intensity of reflected light is less than setting, control part 601 is judged as probe portion 101 and has captured earhole, makes to process to advance from step S805 to step S806.Otherwise (intensity of reflected light is in the above situation of setting) makes to process and returns to step S802 from step S805.In addition, in the flow chart of Fig. 8, in the situation that do not satisfy condition from the signal of pressure element, do not carry out the processing about the detection signal of light-receiving device 113b, but be not limited to this.Also can carry out simultaneously from the detection of the signal of pressure element 110a～110b with from the detection of the signal of light-receiving device 113b.In addition, as mentioned above, in the situation that the light quantity of the different situation of the resistance variations of 4 pressure element 110a～110d or light-receiving device 113b is greater than setting, as described above from speaker 203 output sounds.This voice output can be, for example, in the situation that the signal of pressure element 110b is little, carries out " contact in left side is insufficient " such output, guides thus user how mobile probe section 101.
In step S806, control part 601 is carried out body temperature measurement.That is, control part 601 obtains the detected temperatures that detects in critesistor 501 and infrared-ray detecting element 502, and calculates examinee's body temperature according to the detected temperatures of obtaining.At this moment, it is green light that control part 601 makes LED element 205 bright, is carrying out this situation of body temperature measurement of examinee with report.In addition, at this moment, the luminous of near infrared light of being undertaken by light projector 113a stopped.Then, in step S807, control part 601 is presented at this examinee's who calculates body temperature in display part 201.At this moment, making LED element 205 bright is red light, has completed this situation with the processing that is reported in the body temperature of calculating the examinee in control part 601.In addition, from speaker 204 output sounds, finish body temperature measurement and process.
In addition, in step S803, the S805 of above-mentioned processing, control part 601 judges according to the signal from pressure element 110a～110d and light-receiving device 113b whether probe portion 101 has correctly captured earhole.For example the such state of the 9A of Fig. 9 is the state that probe portion 101 is disposed at external auditory meatus rightly, contact detected by whole pressure element 110a～110d, and the catoptrical intensity that detects by light-receiving device 113b is less than setting.Therefore, be judged as YES in step S803, S805, automatically begin body temperature measurement.In addition, when the diameter of the external auditory meatus of examinee as the child hour, probe portion 101 does not enter external auditory meatus, but because pressure element 110a～110d is configured to extend to the side from the leading section end face of probe portion 101, even so do not enter in probe portion 101 under the state of external auditory meatus, also can be pressed against rightly situation around external auditory meatus by the detection probe section 101 of pressing of end face.
On the other hand, thus the 9B of Fig. 9 is probe portion 101 configures not an example of the state of configuration rightly sideling with respect to external auditory meatus.Under this state, all pressure element 110a～110d detects contact, but light-receiving device 113b can receive the reflected light from the external auditory meatus surface, more than the catoptrical intensity that therefore detects by light-receiving device 113b becomes setting.Therefore, be judged as NO in S805, do not begin body temperature measurement.
Similarly, an example of the 9C of Fig. 9 state that to be also probe portion 101 configure irrelevantly with respect to external auditory meatus.In 9C, the part of the front end of probe portion 101 is left external auditory meatus, has the element that contact can't be detected in pressure element 110a～110d.Therefore, be judged as NO in S803, do not begin body temperature measurement.
In addition, in the 9D of Fig. 9, contact detected in whole 4 pressure element 110a～110d of probe portion 101 front ends, but whole probe portion 101 is left external auditory meatus.For example, can enumerate the end contact auricle of probe portion 101 etc., thereby the situation of contact detected in whole pressure element 110a～110d.In this case, light-receiving device 113b detects the reflected light from the auricle surface, therefore with the 9B of Fig. 9 in the same manner, more than the intensity of reflected light that light-receiving device 113b detects becomes setting.Therefore, be judged as NO in step S805, do not begin body temperature measurement.
Processing according to above such present embodiment, by be subjected to the signal of optical sensor (light projector 113a, light-receiving device 113b) from pressure element 110a～110d and light projector, detect probe portion 101 correctly outward auditory meatus configure moment of this situation, the beginning measurement of bldy temperature.Therefore, user from probe portion 101 correctly the state of auditory meatus configuration outward begin further to press to measure this loaded down with trivial details operation of beginning switch and liberate, can easily use the correct mensuration of ear clinical thermometer.In addition, in the situation that must operate for the mensuration start button that body temperature measurement is begun after being disposed at probe in external auditory meatus, even probe is configured in correct position before the time-and-motion study start button, also exist due to the operation of measuring start button and produce dislocation in the configuration of ear clinical thermometer, thereby produce the probability of evaluated error, but according to above-mentioned embodiment, can solve such problem.
But, the invention is not restricted to the structure of measuring beginning that automatically performs as described above.For example also can control as follows: satisfy at the contact condition that the step S802 by Fig. 8～S805 is judged as probe portion 101 and examinee's ear the condition of measuring beginning during, become the state of the operation that can accept to measure the beginning switch in step S806.In this case, not shown mensuration start button is installed on ear clinical thermometer 100.For example can enumerate the part at the face 111 of ear clinical thermometer 100, the mode of pressing with the fore-end of the enough fingers of energy arranges the mensuration start button.In this case, the probability that the probe portion that existence produces because mensuration begins to operate the main cause that becomes evaluated error moves, but due to only in the situation that probe portion 101 and the appropriate operation of accepting to measure beginning of the position relationship of earhole, so can carry out correct mensuration.In addition, preferably, in the situation that due to the bad operation of refusing to measure start button of probe portion 101 and the contact condition of ear, utilize speaker 204 and/or LED element 205 with this advisory user.
in addition, from the above description, in the ear clinical thermometer 100 of present embodiment, by forming following structure, realized that ear clinical thermometer 100 is installed on the stable installation of mensuration person's finger, namely, configuration installation portion (102 and 104) and mounting strap 106, 107, thereby can be installed on mensuration person's finger, and the face 111 that contacts of mensuration person's finger when mounted, the position of the mensuration person of finger fixation wall (regulation member) when stipulating to install finger is set on 112, consequently, when carrying out examinee's body temperature measurement, mensuration person can use two handss.
In addition, the length of restriction fixed part 104, so that in the situation that ear clinical thermometer 100 has been installed, the 1st joint that mensuration person also can freely flex one's fingers, thus when probe portion 101 is inserted to the ear intracavity, the action of finger that can be by mensuration person is carried out inching to the position of the front end of probe portion 101, and operability is very good.
In addition, by forming following structure, mensuration person can feel the sensation that the front end of probe portion 101 contacts with the ear wall sensitively by finger tip, namely, when ear clinical thermometer 100 was installed, mensuration person's finger abdomen contacted with face 111 in the position relative with the bearing position of probe portion 101.
Consequently, in ear clinical thermometer, even do not observe, also can be according to automatically detected by the signal of optical sensor from pressure element and light projector so that the mode that contact around the infant that the front end of probe portion and probe do not enter, child's earhole has correctly been installed this situation of popping one's head in, therefore thereby the beginning body temperature measurement, need not after this situation of earhole that is installed on rightly the examinee by the Visual Confirmation probe portion again, time-and-motion study begins switch.Therefore, can get rid of the impact on the configuration status of ear clinical thermometer that is caused by the operation of measuring switch, thereby carry out body temperature measurement with the state that ear clinical thermometer is maintained at earhole rightly.Particularly, contact with probe the uniform of front end owing to detecting the earhole periphery by pressure element, and be subjected to the light sensors probe portion whether correctly to capture earhole by light projector, so can prevent from carrying out measurement of bldy temperature under inappropriate state, thereby can measure more reliably correct body temperature.
In addition, in the above description, probe portion 101 is outstanding to the direction substantially vertical with probe support 102, but the present invention is not limited to this, also can constitute outstanding sideling with respect to probe support 102.In addition, in the above description, the face 111 of probe support 102 and the face 112 of fixed part 104 are the plane, but the present invention is not limited to this, also can be by the Surface forming of concavity.In this case, consistent with the shape of finger, further improved the stability when ear clinical thermometer 100 is installed.
In addition, in the above embodiment, probe portion of the present invention and body temperature measurement begin to control as example shows take the ear clinical thermometer of finger mounted type, but are not limited to this.For example, as can be known also can applicable the present invention in the structure of the probe portion 101 of as shown in Figure 10, general ear clinical thermometer 100 '.In this case, as shown in figure 11, probe portion 101 can be following structure, that is, section arranges the light guide 1001 of tubular within it, and detecting element packaging container 500 is not arranged on the front of probe portion 101, and is arranged on the main body side of ear clinical thermometer.At this, probe portion 101 and light guide 1001 are the ground configuration of concentric shape.In the situation that such structure with light guide 1001, light projector 113a, light-receiving device 113b are configured in space between the inwall of the outer wall of light guide 1001 and probe portion 101.And, preferably, the wall member 1002 that outer wall that the inwall of probe portion 101 is connected with light guide connects is set, to prevent arriving light-receiving device 113b from the direct light of light projector 113a or at the reflected light of probe portion 101 interior generations.Wall member 1002 becomes 2 with the space segmentation between light guide 1001 and probe portion 101, configures respectively light projector 113a and light-receiving device 113b in each space.In addition, in this case, wall member 1002 can be fixed in the interior member of probe portion 101 with light guide 1001 with acting on.
In the situation that the probe portion 101 of such structure more than using also can constitute control part 601 and carry out automatically beginning thus body temperature measurement in such processing illustrated in fig. 8.
In addition, as for detection of with the sensor of the physical contact of external auditory meatus, used pressure element 110a～110d, but be not limited to this.For example, also can use the element of capacitance type.
The present invention is not limited to above-mentioned embodiment, can without departing from the spirit or scope of the invention carry out various changes and distortion.Therefore, in order to disclose scope of the present invention, additional above claim.
The application advocates priority take the patent application Patent 2010-218493 of Japan of JIUYUE in 2010 proposition on the 29th as the basis, and here cites its all record contents.
Claims (10)
1. ear clinical thermometer, have the probe portion of tubular and take in the packaging container of infrared-ray detecting element, and measure examinee's body temperature according to the signal that obtains with described infrared-ray detecting element detection infrared ray, wherein said infrared ray in described examinee's the external auditory meatus mensuration position radiation and be collected from the front end of described probe portion, described ear clinical thermometer is characterised in that, comprising:
A plurality of touch sensors, it is arranged on the end face of front end of described probe portion or the side of described front end, and can detect independently respectively and have or not and the contacting of exterior object;
Light projector is subjected to optical sensor, and it is installed on the inside of described probe portion, and has the light projector that sends light, and accepts the light-receiving device of the reflection of light light that described light projector sends; And
Control part, it can begin the body temperature measurement that is undertaken by described infrared-ray detecting element in the situation that have the signal of contactless signal and the described light projector intensity of reflected light in being subjected to the described light-receiving device of optical sensor to satisfy rated condition from the expression of described a plurality of touch sensors respectively.
2. ear clinical thermometer as claimed in claim 1, is characterized in that,
Described packaging container is configured in described front end one side of described probe portion, and described light projector and described light-receiving device are configured in than the position of described packaging container away from described front end,
Be arranged to described light projector between the inwall of described probe portion and described packaging container by the front end of described probe portion to external irradiation light, and described light-receiving device is accepted the reflected light from the incident via the front end of described probe portion between described inwall and described packaging container.
3. ear clinical thermometer as claimed in claim 2, is characterized in that,
Described ear clinical thermometer also has wall member, described wall member is with the space segmentation of described probe portion, to prevent arriving described light-receiving device from the direct light of described light projector or the reflected light that produces in described probe portion, the described light projector of configuration in a space of being cut apart by described wall member of described probe portion, the described light-receiving device of configuration in another space different from a described space of being cut apart by described wall member.
4. ear clinical thermometer as claimed in claim 3, is characterized in that,
Described wall member has conduct in the function of the support of the described packaging container of described probe portion internal support.
5. ear clinical thermometer as claimed in claim 1, is characterized in that,
Also have the light guide that is the tubular of concentric shape ground configuration with described probe portion in the inside of described probe portion,
Described light projector and described light-receiving device are configured between the inwall of the outer wall of described light guide and described probe portion.
6. ear clinical thermometer as claimed in claim 5, is characterized in that,
Described ear clinical thermometer also has wall member, described wall member is with the space segmentation between the outer wall of the inwall of described probe portion and described light guide, to prevent arriving described light-receiving device from the direct light of described light projector or the reflected light that produces in described probe portion, the described light projector of configuration in a space of being cut apart by described wall member, the described light-receiving device of configuration in another space different from a described space of being cut apart by described wall member.
7. ear clinical thermometer as claimed in claim 6, is characterized in that,
Described wall member has as the function that is used at the support of the described light guide of described probe portion internal support.
8. ear clinical thermometer as described in any one in claim 1 to 4, is characterized in that,
Described ear clinical thermometer also has installing mechanism, described installing mechanism make the clinical thermometer that comprises described probe portion and described packaging container main body can so that described probe portion be positioned on the finger that the mode of mensuration person's finger tip is installed on described mensuration person.
9. ear clinical thermometer as described in any one in claim 1 to 8, is characterized in that,
In the situation that have the signal of contactless signal and the described light projector intensity of reflected light in being subjected to the described light-receiving device of optical sensor to satisfy described rated condition from the expression of described a plurality of touch sensors respectively, described control part automatically begins the body temperature measurement that undertaken by described infrared-ray detecting element.
10. the control method of an ear clinical thermometer, described ear clinical thermometer has the probe portion of tubular and takes in the packaging container of infrared-ray detecting element, and measure examinee's body temperature according to the signal that obtains with described infrared-ray detecting element detection infrared ray, wherein said infrared ray in described examinee's the external auditory meatus mensuration position radiation and be collected from the front end of described probe portion, described ear clinical thermometer comprises:
A plurality of touch sensors, it is arranged on the end face of front end of described probe portion or the side of described front end, and can detect independently respectively and have or not and the contacting of exterior object; And
Light projector is subjected to optical sensor, and it is installed on the inside of described probe portion, and has the light projector that sends light, and accepts the light-receiving device of the reflection of light light that described light projector sends,
Described control method is characterised in that,
Judgement has contactless signal and described light projector to be subjected to the signal of the intensity of reflected light in the described light-receiving device of optical sensor whether to satisfy defined terms from the expression of described a plurality of touch sensors respectively,
In the situation that described expression has the signal of contactless signal and described intensity of reflected light to satisfy described defined terms, the body temperature measurement that is undertaken by described infrared-ray detecting element can be begun.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010218493A JP2012073129A (en) | 2010-09-29 | 2010-09-29 | Ear thermometer |
| JP2010-218493 | 2010-09-29 | ||
| PCT/JP2011/005280 WO2012042784A1 (en) | 2010-09-29 | 2011-09-20 | Ear thermometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103140164A true CN103140164A (en) | 2013-06-05 |
Family
ID=45892277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011800475772A Pending CN103140164A (en) | 2010-09-29 | 2011-09-20 | Ear thermometer |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2012073129A (en) |
| CN (1) | CN103140164A (en) |
| WO (1) | WO2012042784A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104887193A (en) * | 2015-06-05 | 2015-09-09 | 成都禾睿电子产品有限公司 | Precision temperature-measuring ear thermometer |
| CN107233070A (en) * | 2017-07-24 | 2017-10-10 | 宜兴市人民医院 | A kind of pupil measuring device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7392346B2 (en) | 2019-09-20 | 2023-12-06 | カシオ計算機株式会社 | ear thermometer |
| JP7240034B1 (en) | 2022-01-17 | 2023-03-15 | 日本精密測器株式会社 | temperature measuring device |
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| US6196714B1 (en) * | 1996-07-05 | 2001-03-06 | La Tecnica S.R.L. | Infrared thermometer comprising optical aiming system |
| CN1286398A (en) * | 1999-08-27 | 2001-03-07 | 欧姆龙株式会社 | Radiation type thermometer |
| CN1324449A (en) * | 1998-06-19 | 2001-11-28 | 布劳恩有限公司 | Device for carrying out measurement in the ear |
| US7314310B2 (en) * | 2006-04-13 | 2008-01-01 | The General Electric Company | Predictive temperature probe with proximity sensor |
| JP2010082011A (en) * | 2008-09-29 | 2010-04-15 | Terumo Corp | Ear insertion thermometer |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3367181B2 (en) * | 1993-12-22 | 2003-01-14 | カシオ計算機株式会社 | Radiation thermometer |
| JP3413918B2 (en) * | 1993-12-28 | 2003-06-09 | カシオ計算機株式会社 | Radiation thermometer |
| JP2000051155A (en) * | 1998-08-10 | 2000-02-22 | Omron Corp | Radiation thermometer |
-
2010
- 2010-09-29 JP JP2010218493A patent/JP2012073129A/en not_active Withdrawn
-
2011
- 2011-09-20 CN CN2011800475772A patent/CN103140164A/en active Pending
- 2011-09-20 WO PCT/JP2011/005280 patent/WO2012042784A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6196714B1 (en) * | 1996-07-05 | 2001-03-06 | La Tecnica S.R.L. | Infrared thermometer comprising optical aiming system |
| CN1324449A (en) * | 1998-06-19 | 2001-11-28 | 布劳恩有限公司 | Device for carrying out measurement in the ear |
| CN1286398A (en) * | 1999-08-27 | 2001-03-07 | 欧姆龙株式会社 | Radiation type thermometer |
| US7314310B2 (en) * | 2006-04-13 | 2008-01-01 | The General Electric Company | Predictive temperature probe with proximity sensor |
| JP2010082011A (en) * | 2008-09-29 | 2010-04-15 | Terumo Corp | Ear insertion thermometer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104887193A (en) * | 2015-06-05 | 2015-09-09 | 成都禾睿电子产品有限公司 | Precision temperature-measuring ear thermometer |
| CN107233070A (en) * | 2017-07-24 | 2017-10-10 | 宜兴市人民医院 | A kind of pupil measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012042784A1 (en) | 2012-04-05 |
| JP2012073129A (en) | 2012-04-12 |
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Application publication date: 20130605 |