CN101713730B - Infrared spectrometer - Google Patents
Infrared spectrometer Download PDFInfo
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- CN101713730B CN101713730B CN 200910035850 CN200910035850A CN101713730B CN 101713730 B CN101713730 B CN 101713730B CN 200910035850 CN200910035850 CN 200910035850 CN 200910035850 A CN200910035850 A CN 200910035850A CN 101713730 B CN101713730 B CN 101713730B
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Abstract
The invention discloses an infrared spectrometer, which comprises an optical module 1, a power module 2 and a signal processing module 3, wherein the power module 2 is connected with the optical module 1 and the signal processing module 3 and supplies working power supply to the optical module 1 and the signal processing module 3; and the optical module 1 is connected with the signal processing module 3, and the optical module 1 and the signal processing module 3 perform transmissions of various signals. The infrared spectrometer is provided with three independent cavities, namely an optical cavity 6, a power supply cavity 7 and a signal processing cavity 8; the three modules are arranged in corresponding cavities respectively; and the cavities are separated from one another by clapboards 19. The inner wall of the optical cavity 6 is provided with a lightless black coating; the clapboards 19 between the cavities are provided with heat insulation layers 20; a cooling device is arranged in the power supply cavity 7 to prevent electrical elements from generating heat and conducting the heat to optical devices, and to prevent the electrical elements from generating the heat to influence the measuring accuracy, the stability and the service life of the optical devices.
Description
Technical field
The present invention relates to a kind of infrared spectrometer, relate in particular to the isolated infrared spectrometer of a kind of multi-cavity body, belong to technical field of analytical instruments.
Background technology
The spectrum of material and the structure of molecule are closely related, are a kind of effective means that research characterizes molecular structure, compare with other method, spectral analysis since to sample without any restriction, it is a kind of important tools of analysis of generally acknowledging.In analysis on many aspects such as molecular configuration and conformation research, chemical, physics, the energy, material, astronomy, meteorology, remote sensing, environment, geology, biology, medical science, medicine, agricultural, food, court's evaluation and industrial process control are measured, all have very and use widely.The spectrum of material can be formed, the instrument general designation spectrometer of spectrum can be distinguished, analyze, measure.Spectrometer has polytype, except that the spectrometer that uses at visible light wave range, also has infrared spectrometer and ultraviolet spectrometer (UVS).At present, integral structure is all adopted in spectrometer inside, and optical instrument adopts grating or prismatic decomposition, obtains the spectrum of different wave length by mechanical scanning.Infrared spectrometer is generally by optical module, and power module and signal processing module are formed, and concentrates to be positioned in the integrated cavity.Its structures shape in the power module heating meeting of electrical equipment conduct to optical device by shell, it is very fast that its local temperature is risen, and influences the stability and the measuring accuracy of optical device, and influence its serviceable life.Therefore, the electrical equipment heating impacts optical device in the solution infrared spectrometer, and the technical matters that reduces its job stability and measuring accuracy is very necessary.
Summary of the invention
The object of the present invention is to provide a kind of infrared spectrometer, the heat in the time of reducing the electrical equipment work in the spectrometer greatly conducts to optical device, influences the technical barrier in its stability, measuring accuracy and serviceable life.
Purpose of the present invention is achieved by the following technical programs:
This infrared spectrometer comprises optical module 1,3 three parts of power module 2 and signal processing module, and wherein optical module 1 comprises light path part 4 and thieff hatch 5, described power module 2 links to each other with optical module 1, signal processing module 3, for it provides working power; Optical module 1 links to each other with signal processing module 3, and both carry out the transmission of various signals.For solving the technical matters that the electrical equipment heating impacts optical device, change the structure of the existing integrated cavity of infrared spectrometer, the present invention is provided with three cavitys, gives optical device to stop electrical equipment heating conduction.Optical module 1 is positioned in the optical cavity 6, power module 2 is positioned in the power supply cavity 7, signal processing module 3 is positioned in the signal Processing cavity 8.Three cavitys are separate, and signal Processing cavity 8 separates with dividing plate 19 between each cavity between power supply cavity 7 and optical cavity 6, and the connection lead 24 between each cavity connects by the connector 25 that is arranged on the dividing plate 19.
Purpose of the present invention can also further realize by following technical measures:
This infrared spectrometer also comprises thermostatically-controlled equipment 9, is positioned at optical cavity 6, and the environment temperature of optical cavity 6 is carried out thermostatic control, to improve the stability of optical device work.
Aforementioned infrared spectrometer light path part 4 comprises optical sensor part 10, optical controller 11.Described signal processing module 3 comprises processor A 12, processor B 13, amplifier A14, amplifier B15, amplifier C16.In order to improve the stability of optical device work, the thermostatically-controlled equipment 9 that adds in optical cavity 6 comprises temperature control device 17, amplifier D18.The circuit connecting relation of above each several part is as follows: described optical sensor part 10 is connected with processor A 12 by amplifier A14, sends the sample signal of its collection to processor A 12, and processor A 12 is connected by the dual-machine communication mode with processor B 13.Described processor B 13 is connected with optical controller 11 by amplifier B15, and optical controller 11 is connected with optical sensor part 10 to control its movement locus; Described optical controller 11 also is connected with processor B 13 by amplifier C16, and its duty is fed back to processor B 13.Described optical sensor part 10 also is connected with processor B 13 by amplifier D18, send its temperature signal to processor B 13, processor B 13 is connected with temperature control device 17, and processor B 13 is carried out the work of control temperature control device 17 after the computing according to the temperature signal of the optical sensor part 10 that receives.
Be provided with cooling device in the power supply cavity 7 of aforementioned infrared spectrometer, described cooling device comprises radiating groove 22, semiconductor coldplate 23 and the cooling fan 26 that is arranged on power supply cavity 7 cavity walls.
Compared with prior art, the invention has the beneficial effects as follows: the infrared spectrometer cavity is divided into power supply cavity 7, signal Processing cavity 8 and optical cavity 6, optical module 1, power module 2 and signal processing module 3 three parts are kept apart, and in power supply cavity 7, be provided with the cooling device that comprises that radiating groove 22, semiconductor coldplate 23 and cooling fan 26 constitute, be provided with thermofin 20 on the dividing plate between each cavity 19, the periphery of dividing plate 19 is provided with O-ring seal 21.The heat that above-mentioned measure has produced when having reduced electrical equipment work has greatly improved the accuracy that infrared spectrometer is analyzed to the conduction of optical device.The present invention also takes the thermostatic control measure to optical module, the uneven temperature gradient occurs to prevent the optical device position, thereby makes the conform ability of temperature of system stronger, and spectrum test is more stable, and is more accurate.
Description of drawings
Fig. 1 is cavity body structure figure of the present invention;
Fig. 2 is a circuit structure diagram of the present invention;
Fig. 3 is a structural representation of the present invention;
Fig. 4 is the I portion enlarged drawing of Fig. 3.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.As Fig. 1～shown in Figure 4, present embodiment mid-infrared light spectrometer comprises optical module 1, power module 2, and signal processing module 3 three parts, wherein optical module 1 comprises light path part 4, thieff hatch 5 and thermostatically-controlled equipment 9.Power module 2 links to each other with optical module 1, signal processing module 3, and for it provides working power, optical module 1 links to each other with signal processing module 3, and both carry out the transmission of various signals.During spectrometer work sample is put into sample region, light path part 4 is transferred to signal processing module 3 with sample characteristics of for example through being converted to electric signal after the light scattering by thieff hatch 5 again, signal processing module 3 sends the motion that signal removes to control optical device outward after handling, thereby obtains the spectrum figure of sample.
Present embodiment mid-infrared light spectrometer adopts the structure of dividing cavity type, be provided with three cavitys arranging from top to down, be respectively power supply cavity 7, signal Processing cavity 8 and optical cavity 6, separate with dividing plate 19 between each cavity, the connection lead 24 between each cavity connects by the connector 25 that is arranged on the dividing plate 19.Optical module 1 is positioned in the optical cavity 6, and power module 2 is positioned in the power supply cavity 7, and signal processing module 3 is positioned in the signal Processing cavity 8, and three cavitys are separate, and with optical module 1, power module 2 and signal processing module 3 three parts are kept apart.In power supply cavity 7, be provided with the cooling device that comprises that radiating groove 22, semiconductor coldplate 23 and cooling fan 26 constitute, on the dividing plate between each cavity 19, be provided with thermofin 20, this thermofin 20 adopts the high macromolecular material thermal insulation board of coefficient of heat conductivity, as polyethylene board or rubber and plastic composite plate.The periphery of dividing plate 19 is provided with O-ring seal 21, and three cavitys are isolated fully, gives optical device to stop electrical equipment heating conduction, and the heat when having reduced electrical equipment work greatly is to the influence of optical device job stability; Simultaneously, be provided with the unglazed black coating at the inwall of optical cavity 6,9 pairs of light path part of thermostatically-controlled equipment have been done the constant temperature processing, to prevent that the uneven temperature gradient from appearring in the optical device position, thereby make the conform ability of temperature of system stronger, spectrum test is more stable, and is more accurate.
In this spectrometer the each several part circuit connecting relation as shown in Figure 2, aforementioned infrared spectrometer light path part 4 comprises optical sensor part 10, optical controller 11.Signal processing module 3 comprises processor A 12, processor B 13, amplifier A14, amplifier B15, amplifier C16.The thermostatically-controlled equipment 9 that is positioned at optical cavity 6 comprises temperature control device 17, amplifier D18.Optical sensor part 10 is connected with processor A 12 by amplifier A14, sends the sample signal of its collection to processor A 12 after by amplification, and processor A 12 is connected by two-shipper serial communication mode with processor B 13, carries out exchanges data.Processor B 13 is connected with optical controller 11 by amplifier B15, optical controller 11 is connected with optical sensor part 10, processor B 13 carries out the signal that is subjected to send optical controller 11 to further to go to adjust the position of optical sensor device after computing and the amplification, makes it stably be operated in linear working state.Optical controller 11 also is connected with processor B 13 by amplifier C16, and its duty is in time fed back to processor B 13.Optical sensor part 10 also is connected with processor B 13 by amplifier D18, processor B 13 is connected with temperature control device 17, the temperature signal of optical sensor part 10 sends processor B 13 to after amplifying, processor B 13 is carried out computing according to the temperature signal that receives, when working temperature surpasses or is lower than limiting temperature, just go to adjust optical sensor part 10 environment temperature on every side by temperature control device 17.
In addition to the implementation, the present invention can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (6)
1. infrared spectrometer, comprise optical module (1), power module (2) and signal processing module (3) three parts, optical module (1) comprises light path part (4) and thieff hatch (5), described power module (2) and optical module (1), signal processing module (3) links to each other, for it provides working power, optical module (1) links to each other with signal processing module (3), it is characterized in that, infrared spectrometer has three cavitys, optical module (1) is positioned in the optical cavity (6), power module (2) is positioned in the power supply cavity (7), signal processing module (3) is positioned in the signal Processing cavity (8), three cavitys are separate, signal Processing cavity (8) is positioned between power supply cavity (7) and the optical cavity (6), separates with dividing plate (19) between each cavity, and the connection lead (24) between each cavity connects by the connector (25) that is arranged on the dividing plate (19).
2. infrared spectrometer as claimed in claim 1 is characterized in that, also comprises thermostatically-controlled equipment (9), be positioned at optical cavity (6), environment temperature to optical cavity (6) is carried out thermostatic control, and described thermostatically-controlled equipment (9) comprises temperature control device (17), amplifier D (18).
3. infrared spectrometer as claimed in claim 2, it is characterized in that, described light path part (4) comprises optical sensor part (10), optical controller (11), and described signal processing module (3) comprises processor A (12), processor B (13), amplifier A (14), amplifier B (15), amplifier C (16), described thermostatically-controlled equipment (9) comprises temperature control device (17), amplifier D (18); Described optical sensor part (10) is connected with processor A (12) by amplifier A (14), and processor A (12) is connected by the dual-machine communication mode with processor B (13); Described processor B (13) is connected with optical controller (11) by amplifier B (15), and optical controller (11) is connected to control its movement locus with optical sensor part (10); Described optical controller (11) also is connected with processor B (13) by amplifier C (16), and its duty is fed back to processor B (13); Described optical sensor part (10) also is connected with processor B (13) by amplifier D (18), sends its temperature signal to processor B (13), and processor B (13) is connected with temperature control device (17), controls its work.
4. infrared spectrometer as claimed in claim 1 is characterized in that, the inwall of described optical cavity (6) is provided with the unglazed black coating, and the dividing plate (19) between described each cavity is provided with thermofin (20).
5. infrared spectrometer as claimed in claim 1 is characterized in that, the periphery of described dividing plate (19) is provided with O-ring seal (21).
6. infrared spectrometer as claimed in claim 1, it is characterized in that, be provided with cooling device in the described power supply cavity (7), described cooling device comprises radiating groove (22), semiconductor coldplate (23) and the cooling fan (26) that is arranged on power supply cavity (7) cavity wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910035850 CN101713730B (en) | 2009-10-12 | 2009-10-12 | Infrared spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910035850 CN101713730B (en) | 2009-10-12 | 2009-10-12 | Infrared spectrometer |
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| CN101713730A CN101713730A (en) | 2010-05-26 |
| CN101713730B true CN101713730B (en) | 2011-12-21 |
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| CN 200910035850 Expired - Fee Related CN101713730B (en) | 2009-10-12 | 2009-10-12 | Infrared spectrometer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102352586A (en) * | 2011-08-14 | 2012-02-15 | 北京科技大学 | Internet of things track measuring system and internet of things electronic track gauge |
| JP7428566B2 (en) | 2020-03-26 | 2024-02-06 | 株式会社トプコンテクノハウス | Measuring equipment and dust-proofing methods for measuring equipment |
| CN112858216A (en) * | 2021-02-05 | 2021-05-28 | 济南弗莱德科学仪器有限公司 | Rapid temperature control method for near-infrared spectrometer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035357A (en) * | 1988-02-16 | 1989-09-06 | 株式会社岛津制作所 | Fluorospectrophotometer |
| EP0933624A1 (en) * | 1998-02-02 | 1999-08-04 | Perkin-Elmer Limited | Spectrometer accessories |
| US6483112B1 (en) * | 1998-07-14 | 2002-11-19 | E. Neil Lewis | High-throughput infrared spectroscopy |
| US6795190B1 (en) * | 2001-10-12 | 2004-09-21 | Los Gatos Research, Inc. | Absorption spectroscopy instrument with off-axis light insertion into cavity |
| CN201555799U (en) * | 2009-10-12 | 2010-08-18 | 江苏惠通集团有限责任公司 | Infrared optical spectrometer |
-
2009
- 2009-10-12 CN CN 200910035850 patent/CN101713730B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1035357A (en) * | 1988-02-16 | 1989-09-06 | 株式会社岛津制作所 | Fluorospectrophotometer |
| EP0933624A1 (en) * | 1998-02-02 | 1999-08-04 | Perkin-Elmer Limited | Spectrometer accessories |
| US6483112B1 (en) * | 1998-07-14 | 2002-11-19 | E. Neil Lewis | High-throughput infrared spectroscopy |
| US6795190B1 (en) * | 2001-10-12 | 2004-09-21 | Los Gatos Research, Inc. | Absorption spectroscopy instrument with off-axis light insertion into cavity |
| CN201555799U (en) * | 2009-10-12 | 2010-08-18 | 江苏惠通集团有限责任公司 | Infrared optical spectrometer |
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| CN101713730A (en) | 2010-05-26 |
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Granted publication date: 20111221 Termination date: 20171012 |