CN103945729B - The method measuring the efficiency of hair-dryer - Google Patents
The method measuring the efficiency of hair-dryer Download PDFInfo
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- CN103945729B CN103945729B CN201280056383.3A CN201280056383A CN103945729B CN 103945729 B CN103945729 B CN 103945729B CN 201280056383 A CN201280056383 A CN 201280056383A CN 103945729 B CN103945729 B CN 103945729B
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- hair
- dryer
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- dried
- measuring method
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D20/00—Hair drying devices; Accessories therefor
- A45D20/04—Hot-air producers
- A45D20/08—Hot-air producers heated electrically
- A45D20/10—Hand-held drying devices, e.g. air douches
- A45D20/12—Details thereof or accessories therefor, e.g. nozzles, stands
Abstract
The present invention relates to the measuring method of a kind of drying efficiency measuring hair-dryer (SC), described method uses framework (100) to be dried, described framework to be dried includes the vertical plates (104) of fiber to be dried, described fiber end at least thereon is fixed on support, and described method at least includes: the first step of the evaporation of water that measurement is included in the plates (104) of framework (100) to be dried, during benchmark drying time, described plates bear the air-flow from described hair-dryer before (104), the outlet (4) of described hair-dryer and the previous space reference range (Dd) of described plates (104) and position, and described hair-dryer works with reference power, away from least 1 meter of hithermost surface after described plates (104)；The second step of the evaporation of water that measurement is included in the plates (104) of framework (100) to be dried, during described benchmark drying time, described plates bear the air-flow from described hair-dryer before (104), reference range described in (Fa) interval before the outlet (4) of described hair-dryer and described framework (100) and position, and described hair-dryer works with reference power, and after described plates (104), (Fb) contacts general tangentially with spherical or elliptical shape solid object (108).
Description
Technical field
The present invention relates to the technical field of hair-dryer, and relate more specifically to the hand-held Electric blower used by professional person and/or special people.
Background technology
Hand-held hair-dryer generally includes the tubular body of lengthening, and described tubular body includes the driving axle of the electric blower group formed by propeller, described propeller and motor and is connected as a single entity.Described motor is maintained in tubular body by rigid arm, and described rigid arm guarantees centering of the inwall of the relative tubular body of propeller.Generally, tubular body is equipped with handle, and described handle includes cable, and described cable connects the job control parts of electrical network and motor.At the duration of work of hair-dryer, electric blower group sucks air by being positioned at the entrance at the rear portion of tubular body, in order to push air by the outlet being positioned at before tubular body.Hair-dryer also includes the electric heating mechanism for heating the air being blown from the downstream of propeller.
This hair-dryer is functionally gratifying at the first of the hair-dryer relating to drying hair.It is well known, however, that hair-dryer have the drawback that noise is big especially, this makes it feel tired when professional person continues to use hair-dryer, or user and people about are brought harm.
It is, therefore, apparent that need a kind of novel hair-dryer, this hair-dryer has heating properties, and has the air mass flow similar to the air mass flow of the hair-dryer according to prior art, brings less noise nuisance simultaneously.
This noise nuisance is especially produced by the rotary speed of motor, and the rotary speed of described motor is generally between 7000 revs/min and 16000 revs/min.The approach of restriction noise nuisance is in that to slow down the rotary speed of motor.But, if rotary speed is slowed, in order to maintain gratifying air mass flow, it is necessary to increase the diameter of propeller.But, the increase of the diameter of this propeller changes the size of hair-dryer, if hair-dryer has the common structure of the pistol-grip type of the handle having a perpendicular to the blowing axis of hair-dryer and extend, then the size of hair-dryer seems and is difficult to operate.Additionally, the increase of the diameter of propeller causes the increase of the overall diameter of the main body of hair-dryer, the main body of this hair-dryer only can not be caught during implementing haircut with a hands.
Therefore, have clearly a need for a kind of novel hair-dryer, the structure of the air circulation of this hair-dryer especially allows to consider the holding mode different from the holding mode of the hair-dryer according to prior art, and/or allowing to obtain certain compactedness with gratifying pneumatic and sound performance, even it is pneumatic better than the pneumatic of the hair-dryer according to prior art and sound performance with sound performance.
While development equipment, the applicant checks described hair-dryer not lose drying efficiency.For this, applicant is especially with the measuring method of the efficiency of the hair-dryer specified by standard MDEH03A019.For the purpose of reminding, this measurement determines drying rate according to the code that is accurate and that repeat using cloth ISO2267: hair-dryer is placed in the opposite on the flat surface being made up of the fabric wet.By the framework of the fabric with initial insult being weighed and to the weighing with the framework being exposed to the fabric after the hair-dryer worked in the given time, measuring the drying index that fabric is dried by hair-dryer.
Summary of the invention
If applicant demonstrate this standard be fully apparent from, accurate and reproducible, but this standard can not reproduce specialty or individual the user full-scale condition used in everyday to hair-dryer.From this viewpoint, this standard is completely improvable.Inventor is become independent purpose by the realization of the measurement code of the new efficiency measuring hair-dryer, and becomes the purpose of the application.
In target purpose one is to provide a kind of measuring method, and this measuring method is in the scope of private code, but this measuring method can be qualified as standard.
The starting point of the present invention relates to hair-dryer, described hair-dryer includes tubular body and the electric blower group with longitudinal axis Δ, described tubular body is in front end, namely it is open in exit, and described tubular body includes general periphery air intake near the rearward end relative with described outlet, described electric blower group is arranged in described tubular body, between described entrance and described outlet, and including motor, described motor rotates along axis drives rotor that is parallel with longitudinal axis Δ or that overlap, described rotor is arranged in operating room and is adapted to pass through described entrance suction air and pushes air by described outlet.Described hair-dryer: include the central cores with longitudinal axis Δ at the rear portion of described tubular body, described central cores includes periphery surface, described periphery surface is recessed and assembles to described operating room, and periphery surface defines described air intake and the aspirating air pipe of annular together with described tubular body；Can including at least one annular curved blade with longitudinal axis Δ in described aspirating air pipe, the bottom surface of described blade and arch face are assembled to described operating room.There is the aspirating air pipe implementing to allow to limit bending of the central cores of periphery surface that is recessed and that assemble, described pipeline correction air stream, in this case, air stream is roughly parallel to longitudinal axis Δ in exit, but air stream forms the angle of non-zero at porch and longitudinal axis Δ.Additionally, the movement implementing to allow to obtain the stratiform of sucked air in aspirating air pipe of annular blade, this performance contributing to being improved hair-dryer by the load loss reduced in the upstream of operating room.Additionally, the permission of implementing of the central cores being connected with peripheral air inlet discharges after hair-dryer, this can be utilized for placing and grip or fixed mechanism.Similarly, when the suction of air do not interfere locate after hair-dryer, it is possible to by after the close wall of hair-dryer by fixing for hair-dryer on the wall, without the danger of the performance damaging hair-dryer.
In order to achieve the above object, the present invention relates to the measuring method of a kind of drying efficiency measuring hair-dryer, described method uses framework to be dried, described framework to be dried includes the vertical plates of fiber to be dried, described fiber is fixed on support end at least thereon, and described method at least includes:
The first step of the evaporation of water that-measurement is included in the plates of described framework to be dried, during benchmark drying time, the air-flow from described hair-dryer is born before described plates, the described outlet of described hair-dryer and the previous space reference range of described plates and position, and described hair-dryer works with reference power, away from least 1 meter of hithermost surface after described plates
The second step of the evaporation of water that-measurement is included in the plates of described framework to be dried, during described benchmark drying time, the air-flow from described hair-dryer is born before described plates, reference range described in the described outlet of described hair-dryer and the previous space of described framework and position, and described hair-dryer works with reference power, contacts after described plates general tangentially with spherical or elliptical shape solid object.
This code is arranged for the efficiency measuring aforementioned hair-dryer.But, because relating to by the desired comparative test of consumer, applicant notes exploitation measuring method, determines that the method is except being suitable for hair-dryer described herein simultaneously, is also adapted to major part hair-dryer.
The enforcement of the two measuring process allows to illustrate well the performance of the hair-dryer in the condition close with the normal condition used of hair-dryer.It is true that first step allow simulation at head downwards, hair and scalp relatively sagging earthward the drying of long hair.But, second step allow simulation at head upwards, under hair abutment head skin tag long hair or the drying of medium-length hair.In the framework of this second step, the impact of the solid object dummy head of ellipse or the spherical form air-flow on being blown out by hair-dryer.
The purpose of the described solid object used in the second step is dummy head, and the diameter of this solid object is selected as preferably about 20cm.The oval solid object used in the second step can be spherical or elliptical shape ball, or is the false head not having hair.
According to the present invention, plates to be dried can be variety classes.Therefore, plates to be dried can be the set of fabric, unbraided weaving plates or line freely arranged side by side or wire harness.The plates that can weave can only thereon edge fixed, or fixed on its at least two limit on the contrary.The constituent material of the line of plates can be natural or synthesis.
The method according to the invention preferred embodiment in, plates to be dried include the hair of people.The hair of people allow for obtaining in the lab the evaluation of the performance of the hair-dryer in the condition of closely practical situation.
According to this preferred modified example preferred embodiment, plates to be dried include one group of hair tresses, and described one group of hair tresses is arranged side by side and only fixes in the upper end of hair tresses.It is apparent that this embodiment allows the state that phantom bead is sent out more realistically again.
Feature according to this preferred modified example, often restraints the quality of hair tresses less than 10g.The size of this hair tresses allows size and the thickness of the hair tresses near being formed when being passed through in long hair or medium-length hair by hands.
Feature according to this preferred modified example, often restraints the quality of hair tresses between 3g and 6g.The size of this hair tresses allows size and the thickness of the hair tresses better close to being formed when being passed through in long hair or medium-length hair by hands.
According to another feature of the invention, the height of described plates to be dried is more than or equal to 200mm.This hair lengths allows simulation medium-length hair even long hair well.
Another feature according to the present invention, the surface of described plates to be dried is more than the cross section of the outlet of described hair-dryer.This feature allows to consider the drying of the hair of adult.
Modified example according to this feature, the surface of described plates to be dried is more than 1.5 times of cross section of the outlet of described hair-dryer, it is preferable that more than 1.9 times of cross section of the outlet of described hair-dryer.This ratio also allows for being more nearly the drying condition of the hair of adult.
According to inventive feature, during at least one measuring process in described measuring process, described outlet and being movable relative to each other according to scanning motion before described plates to be dried.This ways of carrying out allows the routine use of simulation hair-dryer, and during this use, the thermal current of hair-dryer moves, in order to avoid scalding the hair even scalp of the people that hair has been dried.
Various motions can be considered, for instance hair-dryer is around the reciprocating rotation of the vertically or horizontally axis being parallel to before described plates to be dried.According to variant of the invention example, described scanning motion is the alternating translational movement along the horizontal or vertical direction being parallel to before described plates to be dried.
Another modified example according to the present invention, described scanning motion is around being perpendicular to the rotary motion of the axis before described plates to be dried, and what described axis was different from described hair-dryer blows axis.
According to inventive feature, test distance be chosen to the air-flow from hair-dryer centre and temperature that the outlet interval test distance of described hair-dryer is measured there is the value between 60 DEG C and 76 DEG C.This feature is corresponding to generally implementing the distance for avoiding scalding hair or scalp.
According to inventive feature, described framework to be dried face place behind includes at least one wire netting with open mesh or gauze, described wire netting or gauze restriction described plates to be dried motion backward.
According to another feature of the invention, the mass ratio of the quality that the measuring of described evaporation adopts the plates described to be dried before applying air-flow and the plates described to be dried applied during described drying time after air-flow.
Another feature according to described method, the distance change in order to better simulate the use of hair-dryer, during at least one baking step in described baking step, between before the outlet and described plates to be dried of described hair-dryer.
Feature according to described measuring method, the surface of described plates to be dried is proportional with the cross section of the outlet of described hair-dryer.
Certainly, the mode of the different characteristic of the present invention, enforcement and application and modification be compatible each other at them or can be bonded to each other according to various combinations in non-exclusive situation.
Accompanying drawing explanation
Additionally, the detailed description below carried out by referring to accompanying drawing example, it will be appreciated that other the features various of the present invention, described accompanying drawing illustrates the embodiment of the assessment method of the embodiment of hair-dryer and the drying performance of this hair-dryer.
-Fig. 1 is the schematic perspective view of hair-dryer, and the outlet of this hair-dryer is equipped with drying mouth.
-Fig. 2 is the schematic perspective view along the axial plane cutting not drying the hair-dryer shown in Fig. 1 of mouth.
-Fig. 3 and 4 are the schematic perspective views of another embodiment illustrating hair-dryer, and this hair-dryer includes the holding mechanism of activity.
-Fig. 5 is the schematic perspective view illustrating framework to be dried, and this framework uses in the scope of the method for the drying efficiency for measuring hair-dryer according to the present invention.
-Fig. 6 is the schematic perspective view constituting support illustrating the framework shown in Fig. 5.
-Fig. 7 and 8 are the schematic diagrams of two different steps of the method illustrating the drying efficiency for measuring hair-dryer according to the present invention.
Detailed description of the invention
As shown in Figure 1 and the hair-dryer that represented by label 1 of entirety include, along the substantially rotational symmetric tubular body 2 of longitudinal axis Δ, including the holding mechanism 3 being positioned at rear portion that next will describe in addition.Tubular body 2 can be formed by multiple parts, and such as realizes with the form of two half shells being made of plastics, and said two half shell axially plane is assembled, and the element passing through to be embedded in is by completion, and described element particularly relates to holding mechanism 3.
As in figure 2 it is shown, tubular body 2 includes the outlet 4 for delivery air in front portion.Outlet 4 has the shape of circular, and outlet 4 also can have the shape of ellipse or rectangular shape certainly.Example according to Fig. 1, outlet 4 is equipped with dismountable mouth 5 unshowned in Fig. 2, and this mouth allows to give air flow ellipse shape or rectangular shape.Tubular body 2 also includes peripheral air inlet 7 near the rearward end 6 relative with outlet 4, and this entrance extends on the whole profile of tubular body 2.
4 blowing air in order to ensure passing through to export, hair-dryer 1 includes electric blower group 10, and this electric blower group is arranged in tubular body 2, between entrance 7 and outlet 4.Electric blower group 10 includes rotor 11, and this rotor is arranged in operating room 12, and operating room is connected with air intake 7 by aspirating air pipe 13 on the one hand, passes through to blow pipeline 14 on the other hand and is connected with outlet 4.The driving axle 15 of rotor 11 and motor 16 is connected as a single entity, and the rotation axis of motor is coaxial with the longitudinal axis Δ of tubular body 2.
According to example, rotor 11 is formed by the propeller of helical blower, and this propeller draws air into along the direction parallel with longitudinal axis Δ and blows out.
Therefore, aspirating air pipe 13 corrects the air stream sucked, in order to gave axial direction to air stream begin at arrival operating room 12 from the approximately radial direction of entrance 7 before.For this, hair-dryer 1 includes central cores 20 at the rear portion of tubular body 2, and this central cores includes periphery surface 21, and this periphery surface is recessed and assembles to operating room 12.Central cores 20 has around the substantially rotational symmetric shape of axis Δ, and according to example, periphery surface 21 is corresponding to having the part on the surface of the anchor ring of axis Δ.Therefore, central cores 20 by its periphery surface 21 and contributes to giving the shape of aspirating air pipe 13 annular by tubular body 2.According to example, central cores 20 be hollow and at its center in part equipped with motor 16.
In order to give the flowing of the air stratiform as far as possible being drawn in aspirating air pipe 13, hair-dryer includes at least one and includes two annular curved blades 22 and 23 according to example.Each camber blades 22 and 23 1 aspect includes recessed and towards tubular body 2 bottom surface 24, includes convex and towards central cores 20 arch face 25 on the other hand.Bottom surface 24 and the arch face 25 of each blade are assembled to operating room 12.The blade 22 and 23 of bending is kept at a distance each other and is connected with central cores 20 and tubular body 2 by four radial direction pads 26, and only wherein three described radial direction pads figure 1 illustrates.
It should be noted that camber blades 22 with 23 implement allow when the structure of identical periphery surface and rotary speed relative to the efficiency not having vaned structure to increase 30%.
In order to contribute to guiding well air, the upstream portion 30 of the periphery surface 21 of central cores 20, the part of the periphery surface 21 being namely close to air intake 7 is preferably tangent with the plane being perpendicular to axis Δ.Similarly, the downstream part of periphery surface 21, the part of the periphery surface 21 being namely close to operating room 12 is tangent with the rotating cylindrical body with axis Δ.Similarly always, the bottom surface of each blade and the upstream portion 32 of arch face are tangent with the rotational circle cone with axis Δ, and this cone is assembled to operating room 12 and the apex angle α of cone is obtuse angle.The bottom surface of each blade and the downstream part 33 of arch face are tangent with the rotating cylindrical body C with axis Δ.
According to example and always in order to optimize the flowing of the air sucked, contribute to the periphery edge 35 of tubular body 2 limiting air intake 7 also to outer bend so that the inner face of periphery edge is convex and is roughly parallel to the bottom surface of blade 23 on opposite.
Hair-dryer 1 also includes the electric heating mechanism 36 for heating blowed air in the downstream of electric blower group 10.Heating arrangements 36 is arranged in and blows pipeline 14 and can be realized by any suitable mode, for instance realize with the form of heating resistor, and this heating resistor is kept by the radial blade being made up of the heat-barrier material of such as mica sheet.
The structure with the hair-dryer of the blade of central cores 20 and bending allows correction to start the air sucked from general radial direction, in order to giving substantially axial direction by the air sucked, this structure is particularly suitable for realizing the compact hair-dryer of major diameter.Compact hair-dryer should be understood that the Δ measured length L between outlet 4 and the rearward end 6 of central cores that parallels to the axis of this hair-dryer, less than or equal to 1.5 times of largest outer diameter D of tubular body, and is preferably substantially equal to this diameter D.The hair-dryer of major diameter should be understood that the minimum dimension d in the cross section of the outlet of hair-dryer is more than or equal to 80mm.When the cross section of outlet is circular, the diameter d in this cross section is more than or equal to 80mm.The largest outer diameter D of the hair-dryer of major diameter such as can between 100mm and 250mm.
Within the scope of the invention, it may be achieved maximum dimension D and length L are equal or approximately equal to the hair-dryer of 120mm.This hair-dryer with the turbine that diameter is 113mm and the rotary speed with about 4500 revs/min allows to obtain 120m3The flow of/h, the relatively conventional hair-dryer of noise level reduces 15dBA (from 80dBA to 65dBA) simultaneously, and described tradition hair-dryer has the maximum gauge of about 85mm and the rotary speed of about 7500 revs/min, is used for obtaining about 70m3The flow of/h.
The existence of the structure of hair-dryer, especially its compact feature and central cores 20 allows to consider the new embodiment of holding mechanism 3.It is true that when not undertaking any pneumatic function after central cores 20, can be closed by back 40 after central cores 20, this back is positioned at outlet 4 opposites and has flat or convex shape, and this region can be utilized for arranging holding mechanism 3 thereon.
Example according to Fig. 1 and 2, holding mechanism 3 one aspect includes the palm support surface P formed by convex back 40.Palm support surface P for for user hands palmar aspect support is provided at least partially.Holding mechanism 3 include on the other hand being formed by the inner face of the arcuation part 42 being connected as a single entity with convex back 40 against surface 41.Be used to the part of the back of the hand against hands against surface 41, the palmar aspect of hands is placed on convex back 40.
The holding mechanism 3 so constituted allows the new handset kind of hair-dryer.It is true that hair-dryer can be inserted between arcuation part 42 and back 40 substantially open hold, be trapped among the situation on handle with hands, such as hair-dryer according to the pistol-grip type of prior art in the case of compared with, this permission is hand-held more easily.
Example according to Fig. 1 and 2, holding mechanism 3 has the fixed position on the opposite being positioned at outlet 4.But, another kind of structure can be considered for the holding mechanism of hair-dryer.
Therefore, Fig. 3 and 4 illustrate an embodiment of the invention, according to this embodiment, holding mechanism 3 is movable between the second position B shown in the primary importance A shown in Fig. 3 and Fig. 4, in primary importance A, palm support surface P is positioned at the opposite of outlet 4, and in second position B, palm support surface P is positioned on the side of tubular body 2.
According to this embodiment, holding mechanism 3 includes pallet 50, the above formation palm support surface P of this pallet.Pallet 50 is fixed on tubular body 2 by two arms 51, and described in only one, arm illustrates in figures 3 and 4.Each arm 51 includes first end and the second end on the opposite at pallet, described first end is connected with pallet 50 rigidly, described the second end is connected with tubular body 2 by having the connection pivot of axis Ω, and described axis Ω is perpendicular to the longitudinal axis Δ of tubular body 2.Therefore, pallet 50 is movable according to 90 ° of rotations between primary importance A and second position B.Hair-dryer can include the locking mechanism of the rotation of arm 51, in order to makes pallet 50 be fixed in a position in A or B of the two position.
Holding mechanism 3 also includes arcuation part 52, this arcuation part and pallet 50 be connected as a single entity and jointly limit space 53 for user hands in part through.The inner face of arcuation part 52 is formed against surface, as already described above, and should against surface for the back of the hand of the hands against user.
It should be noted that the example according to Fig. 3 and 4, the longitudinal axis of arcuation part 52 is roughly parallel to the rotation axis Ω of pallet 50.But, when pallet 50 along tubular body 2 when its second position B, in order to facilitate the gripping of hair-dryer, the longitudinal axis of arcuation part 52 can be set to be perpendicular to rotation axis Ω.Therefore, when pallet 50 is in its second position B, the longitudinal axis parallel of arcuation part 52 is in the longitudinally axial Δ of tubular body.
The described hair-dryer 1 so constituted with equal drying performance work, simultaneously with compared with the hair-dryer of prior art, send less noise.In order to benefit from targeted contrast basis (basedecomparaisonobjective) of the drying performance that hair-dryer is described, the present invention provides a kind of method measuring drying efficiency, the method allows to reproduce as far as possible unchangeably occupation mode two kinds daily, namely, the drying of head long hair when above downward-sloping or medium-length hair, and the drying of the hair on the other hand, hung down along level or the head raised.Fig. 7 and 8 illustrate hair-dryer as above in the way of indefiniteness: described method is applicable to the hair-dryer of any major diameter, are also applied for the hair-dryer of any such as pistol form.
First, it is proposed that use the framework 100 to be dried shown in Fig. 5, and the function of framework to be dried is the characteristic of simulation hair.Framework 100 to be dried includes support 101, described support limits a kind of rectangular frame, described frame includes base 102 at lower beam place, and described base allows to place on a flat surface by framework 100 to be dried, in order to described support 101 has the orientation of general vertical.Example according to Fig. 6, framework 100 to be dried limits rectangular window 103, the height H of this rectangular window 103 more than or equal to 200mm and length L more than or equal to 270mm's.Described window 103 is closed by the vertical plates (nappe) 104 of fiber to be dried at least in part, the topknot of these plates simulation hair.Plates 104 edge at least thereon is fixed on the horizontal upper boom 105 of support 101.Plates 104 can be fixed at the one or more limit place in other three limits, but preferably, plates 104 only thereon edge fixed, in order to give the plates certain waving and freedom of motion under airflow function, such as the situation of hair.
According to example, described plates 104 include the natural hair being divided into 21 bundle hair tresses 106, and often a branch of length is 200mm.Every bundle of hair strands 106 has less than 10g and the quality that is preferably ranges between 3g and 6g, and this quality is measured in having the environment of humidity of about 50% ± 5%.Every bundle of hair strands 106 fixing point on upper boom 105 is equidistant, and according to the distance interval of about tens millimeters so that plates 104 limit the substantially continuous length of hair as 200mm width as the wall of 200mm.
Being used in the step of the evaporation of water that the framework 100 to be dried so constituted is included in plates 104 at least two measurement, this evaporation is to carry out under the effect of the air-flow of hair-dryer SC to be evaluated.
These measuring processs are preferably implemented in substantially similar experimental condition, i.e. ambient temperature is between 20 DEG C and 35 DEG C, and ambient humidity is about 50% ± 5% simultaneously.
First measuring process is intended to determine hair-dryer SC drying performance in the layout shown in Fig. 7, this layout dummy head down time the drying of hair.
First, the predetermined amount of water being called test water yield Qe is used, for instance the water of about 15g ± 5g is by hair plates 104 moistening equably.Then, framework 100 to be dried is placed on the weighing device of such as scale 110, and this weighing-appliance has the degree of accuracy of about 1/10th grams.
When this first step be intended to dummy head down time hair dry layout, namely, when not having any obstacle to be positioned at after hair relative to the direction of the air-flow from hair-dryer, framework 100 to be dried is arranged without after any obstacle or surface and plates 104 Fb interval less than 1m and the distance being preferably less than 2m.
During described first measuring process, before plates 104, Fa bears the air-flow of hair-dryer SC, and the outlet 4 of hair-dryer is not equipped with any accessory, and hair-dryer is adjusted to reference power, and this reference power is such as corresponding to its rated power.
Hair-dryer SC be set to hair-dryer be centered relative to Fa before plates 104 corresponding to the longitudinal axis Δ at air-flow center and with this front vertical.
In addition, the outlet 4 of hair-dryer and the previous space test distance of plates 104 or reference range Dd and dispose, described distance is vertically measured with described above Fa, and described distance to be chosen to the temperature of air-flow center measured for spacing distance Dd on axis Δ be 75 DEG C.Certainly, distance Dd can be selected so that on axis Δ interval, and this is different from 75 DEG C apart from measured temperature, and such as between 40 DEG C and 76 DEG C.
Before starting hair-dryer SC, quality or weight to the water existed in plates 104 carry out measuring M1 for the first time.
Then, between at the trial during De, the hair-dryer SC being placed in aforesaid and layout as shown in Figure 7 is started, and described test period De is about the value of a few minutes and is such as selected as being equal to one minute.When between at the trial, De terminates, quality or weight to the water existed in plates 104 carry out second time and measure M2.
Measure M1 and M2 described twice to be employed for according to formulaDetermine the first drying index ls1, described drying index by gram/(g.min per minute-1) represent.
Arranging for catotropic drying, described first measuring process is repeatable repeatedly, and such as three times, in order to obtain first and on average dry index ls1。
Described second measuring process is intended to the drying performance determining hair-dryer in the layout shown in Fig. 8, the drying of hair when this layout dummy head lifts, namely the subcutaneous vertical hair of abutment head drying.
Therefore, the layout of drying during for dummy head upward is different in that with the layout shown in Fig. 7 the solid object 108 of ellipse or spherical form contacts arrangement with Fb below, and described solid object is with general tangential below simultaneously.Described solid object 108 can be realized by any suitable mode, and when its target is phantom bead portion, solid object can be formed by artificial head, the rear abutment plates 104 of artificial head and dispose, as shown in Figure 8.
Such as first step, in the beginning of second step, water yield Qe is tested in plates 104 infiltration, then, carries out measuring M1 for the first time.It should be noted that during this measurement, solid object 108 does not contact with plates 104, in order to not interferometry.
Then, described solid object 108 is placed in aforesaid and layout as shown in Figure 8.Hair-dryer SC is started for test period De.After hair-dryer SC stops, carrying out second time and measure M2.As first time measures M1, solid object 108 is in advance away from plates 104, in order to not interferometry.
Described M1 and the M2 of measurement is employed for calculating the second drying index ls according to formula as before2, this index is arranged corresponding to drying head-up, such as catotropic drying index ls1, the second measuring process is repeatable repeatedly, and such as three times, in order to obtain head upwards time average dry index ls2。
Described measuring process provide use that different hair-dryer implements upside down time drying index ls1Drying index ls time head-up2, described measuring process permits the performance of these hair-dryers is carried out objective comparison.Additionally, said two dries index ls1And ls2Advantageously take into account the conventional layout of difference of the use of hair-dryer.
In aforementioned measuring process, hair-dryer SC is fixing relative to plates 104.However, it is contemplated that get involved the movement of hair-dryer SC, and the axis Δ of especially hair-dryer is relative to the movement of plates 104, for simulating the scanning motion to hair, in order to avoid scalding hair.
Therefore, hair-dryer can carry out as indicated by arrows f1 around the oscillating motion of the horizontal axis being parallel to hair plates.Hair-dryer also can carry out as indicated by arrows f2 around the oscillating motion of the vertical axis being parallel to hair plates 104.Hair-dryer also can carry out the translational motion as shown in arrow F3 along the vertical direction being parallel to plates 104, or along the translational motion of the horizontal direction being parallel to plates 104 as shown in arrow F4.
Certainly, the scanning motion of hair-dryer SC can be all of or the combination of motion F1, F2, F3 and the F4 of part.
According to previous embodiment, all hair-dryers that are test for are identical by the surface of plates 104.The surface of plates 104 is selected as 1.5 times of the maximum more than the outlet being test for hair-dryer, and is preferably more than this maximum 1.9 times.
But, according to the present invention, the surface of plates 104 can be proportional with the cross section of the outlet of each hair-dryer to be tested.Proportionality coefficient can between 1.5 and 1.9.
Embodiment according to framework 100 to be dried, plates 104 may pass through window 103 and freely wave.Enforcement modified example according to framework 100 to be dried, uses gauze or the wire netting 130 for limiting plates 104 rearward movement.The size of the mesh of described gauze or wire netting 130 is selected as the flowing being sufficiently large to not disturb the air-flow from hair-dryer SC.
Certainly, within the scope of the appended claims, the measuring method according to the present invention can be carried out other improvement various.Those skilled in the art can juxtaposition different step set forth herein to adjust measurement process.
Claims (15)
1. the measuring method of the drying efficiency of a measurement hair-dryer (SC), described method uses framework (100) to be dried, described framework to be dried includes the vertical plates (104) of fiber to be dried, described fiber is at least fixed on support in the upper end of described fiber, and described method at least includes:
First measuring process of the evaporation of water that measurement is included in the plates (104) of described framework (100) to be dried, during benchmark drying time, the front surface of described plates (104) bears the air-flow from described hair-dryer, the outlet (4) of described hair-dryer and front surface interval reference range (Dd) of described plates (104) and position, and described hair-dryer works with reference power, and the rear surface of described plates (104) is away from least 1 meter of hithermost surface；
Second measuring process of the evaporation of water that measurement is included in the plates (104) of described framework (100) to be dried, during described benchmark drying time, the front surface of described plates (104) bears the air-flow from described hair-dryer, reference range (Dd) described in the described outlet (4) of described hair-dryer and front surface (Fa) interval of described framework (100) and position, and described hair-dryer works with reference power, the rear surface (Fb) of described plates (104) contacts general tangentially with spherical or elliptical shape solid object (108).
2. measuring method according to claim 1, it is characterised in that described plates (104) to be dried include the hair of people.
3. measuring method according to claim 2, it is characterised in that described plates (104) to be dried include one group of hair tresses (106), and described one group of hair tresses is arranged side by side and only fixes in the upper end of described hair tresses.
4. measuring method according to claim 3, it is characterised in that often restraint the quality of hair tresses (106) less than 10g.
5. measuring method according to claim 4, it is characterised in that often restraint the quality of hair tresses (106) between 3g and 6g.
6. measuring method according to any one of claim 1 to 5, it is characterised in that the height of described plates (104) to be dried is more than or equal to 200mm.
7. measuring method according to any one of claim 1 to 5, it is characterised in that the surface of described plates (104) to be dried is more than the cross section of the outlet (4) of described hair-dryer.
8. measuring method according to any one of claim 1 to 5, it is characterised in that the surface of described plates (104) to be dried is more than 1.5 times of cross section of the outlet (4) of described hair-dryer.
9. measuring method according to any one of claim 1 to 5, it is characterised in that the surface of described plates (104) to be dried is more than 1.9 times of cross section of the outlet (4) of described hair-dryer.
10. measuring method according to any one of claim 1 to 5, it is characterized in that, during at least one measuring process in described first measuring process and described second measuring process, the front surface of described outlet and described plates (104) to be dried is movable relative to each other according to scanning motion.
11. measuring method according to claim 10, it is characterised in that described scanning motion is the alternating translational movement in the horizontal or vertical direction along the front surface being parallel to described plates (104) to be dried.
12. measuring method according to claim 10, it is characterized in that, described scanning motion is around being perpendicular to the rotary motion of the axis of the front surface of described plates (104) to be dried, and what described axis was different from described hair-dryer (SC) blows axis (Δ).
13. measuring method according to any one of claim 1 to 5, it is characterized in that, described reference range (Dd) be chosen to the air-flow from described hair-dryer (SC) centre and temperature that outlet (4) the interval test distance of described hair-dryer is measured there is the value between 60 DEG C and 76 DEG C.
14. measuring method according to any one of claim 1 to 5, it is characterized in that, the measuring of described evaporation adopts the mass ratio of the quality at the plates described to be dried (104) applied before air-flow and the plates (104) described to be dried applied during described benchmark drying time after air-flow completes.
15. measuring method according to any one of claim 1 to 5, it is characterised in that the surface of described plates (104) to be dried is proportional with the cross section of the outlet (4) of described hair-dryer.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1160563A FR2982947B1 (en) | 2011-11-18 | 2011-11-18 | METHOD FOR MEASURING THE EFFICIENCY OF A HAIRDRYER |
| FR1160563 | 2011-11-18 | ||
| PCT/FR2012/052626 WO2013072624A1 (en) | 2011-11-18 | 2012-11-14 | Method for measuring the efficiency of a hairdryer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103945729A CN103945729A (en) | 2014-07-23 |
| CN103945729B true CN103945729B (en) | 2016-07-13 |
Family
ID=47291140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280056383.3A Expired - Fee Related CN103945729B (en) | 2011-11-18 | 2012-11-14 | The method measuring the efficiency of hair-dryer |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2779862B1 (en) |
| CN (1) | CN103945729B (en) |
| FR (1) | FR2982947B1 (en) |
| WO (1) | WO2013072624A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB801286A (en) * | 1955-06-14 | 1958-09-10 | Josef Vatter | Apparatus for measuring the dryness of hair |
| US4260875A (en) * | 1978-06-19 | 1981-04-07 | Clairol Incorporated | Controlled temperature hair dryer |
| CN1167430A (en) * | 1995-09-13 | 1997-12-10 | 菲利浦电子有限公司 | Hair-care appliance with hair-moistness measurement by measuring the resistance of the hair, and circuit for converting the resistance value of aresistor into a measurement signal |
| CN1244100A (en) * | 1997-11-21 | 2000-02-09 | 皇家菲利浦电子有限公司 | Method of and hair dryer for drying hair using remote sensing of moisture content of hair |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4306429A1 (en) * | 1993-03-02 | 1994-09-29 | Wella Ag | Method for treating an object with a warm air flow and hand-held device for carrying out the method |
-
2011
- 2011-11-18 FR FR1160563A patent/FR2982947B1/en not_active Expired - Fee Related
-
2012
- 2012-11-14 WO PCT/FR2012/052626 patent/WO2013072624A1/en active Application Filing
- 2012-11-14 CN CN201280056383.3A patent/CN103945729B/en not_active Expired - Fee Related
- 2012-11-14 EP EP12795546.6A patent/EP2779862B1/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB801286A (en) * | 1955-06-14 | 1958-09-10 | Josef Vatter | Apparatus for measuring the dryness of hair |
| US4260875A (en) * | 1978-06-19 | 1981-04-07 | Clairol Incorporated | Controlled temperature hair dryer |
| CN1167430A (en) * | 1995-09-13 | 1997-12-10 | 菲利浦电子有限公司 | Hair-care appliance with hair-moistness measurement by measuring the resistance of the hair, and circuit for converting the resistance value of aresistor into a measurement signal |
| CN1244100A (en) * | 1997-11-21 | 2000-02-09 | 皇家菲利浦电子有限公司 | Method of and hair dryer for drying hair using remote sensing of moisture content of hair |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2982947A1 (en) | 2013-05-24 |
| CN103945729A (en) | 2014-07-23 |
| EP2779862A1 (en) | 2014-09-24 |
| EP2779862B1 (en) | 2015-09-23 |
| FR2982947B1 (en) | 2014-01-10 |
| WO2013072624A1 (en) | 2013-05-23 |
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