CN100520406C - Device and method for measuring fabric infrared radiation characteristic - Google Patents
Device and method for measuring fabric infrared radiation characteristic Download PDFInfo
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- CN100520406C CN100520406C CNB2004100687528A CN200410068752A CN100520406C CN 100520406 C CN100520406 C CN 100520406C CN B2004100687528 A CNB2004100687528 A CN B2004100687528A CN 200410068752 A CN200410068752 A CN 200410068752A CN 100520406 C CN100520406 C CN 100520406C
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Abstract
A device for detecting infrared radiation attribute of fabric consists of a frame with two sliding bars at two sides and a base at bottom, artificial skin model set on base, infrared radiating source set at top of frame and enabled to slide along two said bars, sample table for setting sample, top and bottom transducer rods with their ends set separately with infrared radiation transducer. It is features as utilizing transducer to measure reflected infrared ray intensity and transmitted infrared ray intensity on two surfaces of fabric sample, calculating physical amount characterizing infrared radiation attribute of fabric sample according to measured value.
Description
Technical field
The present invention relates to measure the apparatus and method of the hot attribute of fabric, refer to a kind of apparatus and method that are used to measure the infrared radiation characteristic of fabric especially.
Background technology
The warm blood mammal that resembles people's one class has the body heat regulation system.This system is very crucial for the normal function that guarantees human body.The temperature of human body must remain on the function that about 35 ℃～38 ℃ ability guarantee each organ of human body.But, it is far from being enough only depending on the body heat regulation system of human body to regulate human body temperature, the basic functions of the clothes of people dress is exactly warming and resists extraneous bad infringement, as the sunlight middle-ultraviolet lamp, the transfer mode of heat energy is except conduction and convection current, radiation also is a kind of fundamental method, so clothes will assist human body to carry out body heat regulation effectively.This hot attribute that just must pay close attention to various dress materials just can be produced the clothing that is fit to Various Seasonal.For example need keep the strong clothing of infrared capable winter, help warming like this.And needing the strong clothing of reflected infrared ability summer, this helps sun-proof heat insulation.
In addition, the researcher points out: for the sportsman who does physical training and match, the clothes of its dress has very big influence to its achievement, and this is because the fabric of the clothing of dress can contact wearer's health more or less, and between health and atmosphere.Research to consumer's consumer psychology finds that also increasing consumer not only pays attention to good-looking clothes, but also requires clothing more comfortable and healthy.
Now a lot of products on the market claim that it has warming and infrared enhancing characteristic, still lack scientific methods always and characterize and determine this characteristic.So industry presses for a kind of apparatus and method of infrared characteristic that can the quantitative measurment fabric.
Term " infrared " is meant an electromagnetic spectrum in a big way, and it starts from the highest frequency that is used to communicate by letter, until the low-limit frequency (red) of visible spectrum.Wavelength coverage from about 1 millimeter to 750 nanometers.The infrared portion of this electromagnetic wave spectrum is divided into three sections according to wavelength, is unit with the micron:
0.076-1.5 microns: near infrared (NIR);
1.5-5.6 microns: in infrared (MIR);
5.6-1000 microns: far away or LONG WAVE INFRARED (FIR).
As previous researcher point out, the electromagnetic wavelength peak of human body radiation is about 9 to 10 microns.Therefore, the research fabric can be learnt every hot attributes such as warmth retention property of fabric for ultrared response characteristic.
According to the result for retrieval of United States Patent (USP) database, infrared technique has been widely used a lot of years.For example, measuring temperature is one of infrared technique very important use.Can find several patents relevant with this application, be 6435711,5167235 " infrared ear temperature meter " as the patent No.; The patent No. is 6669362 " infrared thermometers of two demonstrations "; The patent No. is " being used for measuring radiation temperature radiation meter " of 6585410; The patent No. is 6371925,5017018 radiation clinical thermometer; The patent No. is 6132084 " the infrared non-contact type temperature measurements of household electrical appliance ".
Infrared technique also can be used for determining the component of material, as patent 6,445,938,6,424,848; Also can be used for determining blood glucose value, as patent 5,757,003 from the surface of skin; Also can be used for determining the scope of oxygen precipitation in the silicon.Also can be used for range observation and material in addition and detect, as patent 6,292,257,6,292,256,6,411,371; Also can be used in the equipment of optical distance measurement, as patent 6,363,326; Also can be used in the method and apparatus of detection vehicle side and rear object, is 6,152,564 " infrared eye movement measuring equipment " as the patent No..
There are several standards and method of testing to be used for the infrared attribute of standard fabric.China Textile industrial standard FZ/T 64010-2000 regulation, fabric after treatment has only infrared emittance to increase and surpasses 8%, just can be called infrared enhancing fabric.A kind of method that a kind of definite fabric heat keeps attribute is disclosed in CNS GB/T 18319-2001.In addition, the ir-absorbance of fabric and surface temperature change rate also can be used for characterizing the hot attribute of fabric.
But said method all can not be described fabric quantitatively by dynamically reaching this process of balance, also have no idea simultaneously to determine the difference of lining tow sides infrared signature, therefore press for a kind of method and apparatus of the infrared radiation characteristic of test fabric quantitatively.
Summary of the invention
The method and apparatus that the purpose of this invention is to provide a kind of infrared radiation characteristic of test fabric quantitatively.
To achieve these goals, the invention provides a kind of device that is used for the infrared ray attribute of test fabric sample, wherein, this device comprises: a framework, this framework comprise two sliding bars that are arranged on its both sides and a base that is arranged on its underpart; One bionics skin model is arranged on this base of this framework, is used to imitate the human body skin under the perspire state; One infrared origin, it is arranged on the top of this framework, and can slide up and down along described two sliding bars, to change its upright position; One sample stage is used for being provided with described fabric sample thereon, and it is arranged on the top of this bionics skin model, and can adjust and this bionics skin model between distance; Rodmeter once, but its can slide up and down and left-right rotation be connected one of them of described sliding bar, and be close to the below of described sample stage, be provided with one first infrared radiation sensor at its end; One upper sensor bar, but it can slide up and down one of them that also is connected to left-right rotation described sliding bar, and be close to the top of described sample stage, be provided with one second infrared radiation sensor at its end; This first infrared radiation sensor is used to measure the infra-red intensity that the infra-red intensity of upper surface reflection of this fabric sample and this second infrared radiation sensor are used to measure the lower surface transmission of this fabric sample; Thereby calculate the physical quantity that characterizes fabric sample infrared radiation characteristic according to this measured value.
Device of the present invention can be worked in two ways: when opening described infrared origin and close this bionics skin model, can be used for measuring the infrared barrier properties of fabric; When closing described infrared origin and make this bionics skin model work, can be used for measuring the infrared maintenance attribute of fabric.
According to a further aspect in the invention, also disclose a kind of method of utilizing the infrared ray attribute of above-mentioned device to test fabric sample, may further comprise the steps: close this bionics skin model, and cover this bionics skin model with a black box; Open this infrared origin; Before being arranged on this fabric sample on this sample stage, read the measured value of this first infrared radiation sensor, as the infrared intensity that incides this fabric sample surface; This fabric sample is arranged on this sample stage, reads the measured value of this first infrared radiation sensor and second infrared radiation sensor then, it is respectively transmission and crosses the infra-red intensity of this fabric sample and the ultrared intensity of this fabric sample surface reflection; With the value of calculating a plurality of physical quantitys that characterize this sample fabric infrared radiation characteristic according to above-mentioned measured value, because above-mentioned steps is carried out under the idle situation of this bionics skin model, so these a plurality of physical quantitys have reflected that the fabric sample stops ultrared ability.
Can also utilize above-mentioned device, the infrared ray of test fabric sample keeps attribute as follows: close this infrared origin; Start this bionics skin model, and a coverture that will cover on this bionics skin model is removed; Before being arranged on this fabric sample on this sample stage, read the measured value of this second infrared radiation sensor, as the infrared intensity that incides this fabric sample surface; This fabric sample is arranged on this sample stage, reads the measured value of this second infrared radiation sensor and first infrared radiation sensor then, it is respectively transmission and crosses the infra-red intensity of this fabric sample and the ultrared intensity of this fabric sample surface reflection; With the value of calculating a plurality of physical quantitys that characterize this sample fabric infrared radiation characteristic according to above-mentioned measured value; Because above-mentioned steps is to carry out under the situation that this infrared origin is closed in this bionics skin model work, so these a plurality of physical quantitys have reflected that the fabric sample keeps ultrared ability.
The invention has the beneficial effects as follows, in device of the present invention, use infrared sensor directly to measure the infra-red intensity of two surfaces of fabric under the infrared radiation situation and change, its emulation the condition of wearing under the sunshine.Based on this measurement result, defined a series of indexs, be used to describe the dynamic and static infrared attribute of textile.Thereby how to have solved the technical matters of the radiation properties of quantitative description fabric.
Device of the present invention can be widely used in the sales promotion that the megastore is used for product, also can assist the dress designing people to select materials, and the manufacturer of fabric can also use this device to carry out the research and development of new product.
The invention will be further described below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the synoptic diagram of infrared ray transmission and reflection in fabric;
Fig. 2 is the structure principle chart according to fabric infrared ray property measurement device of the present invention;
Fig. 3 is the vertical view of the sample stage of apparatus of the present invention;
Fig. 4 is the response curve of employed infrared sensor in apparatus of the present invention;
Fig. 5 is the curve of output of sensor that is used to measure the reflective infrared attribute of fabric;
Fig. 6 is the curve of output of sensor that is used to measure the infrared attribute of transmission of fabric;
Fig. 7 shows and utilizes device of the present invention to carry out the infra-red intensity change curve of reflecting surface of three kinds of samples of infrared property measurement;
Fig. 8 shows and utilizes device of the present invention to carry out the infra-red intensity change curve on transmission surface of three kinds of samples of infrared property measurement.
Embodiment
Energy can three kinds of modes transmit: electromagnetic radiation, conduction and convection current.The method of radiation is meant with the form of ripple and particle flux carries out NE BY ENERGY TRANSFER by the space.Therefore heat energy can transmit by radiation, just as sunray under the situation of medium not having.It is with rectilinear propagation, and has the wavelength longer than visible light.
When light when including the sample of absorbing material, this light will be weakened.This phenomenon can be described by Lang Baite-Beer law (Lambert-Beer ' s Law), and the light quantity that sample is crossed in transmission is called as transmissivity, and it is expressed as the light intensity I that passes
tInitial light intensity I with this light beam
0Ratio.That is:
T＝I
t/I
0 (1)
Wherein: T: be transmissivity;
I
t: the light intensity that is transmission;
I
0: the intensity of incident beam.
Suppose that this fabric sample is a uniform film, it has homogeneous thickness and in the uniform infrared energy receptivity of each direction, when having certain radiation intensity (W/m
2) a branch of infrared ray when arriving the front surface of this sample, energy can be expressed as following formula:
I
0＝I
t+I
r+I
a (2)
Wherein,
I
0Be the ultrared intensity (W/m that incides on the sample
2);
I
tBe the ultrared intensity (W/m of transmission
2);
I
aBe the ultrared intensity that has been absorbed;
I
rBe the ultrared intensity of reflection;
For further refinement formula (2), Fig. 1 shows the interaction between infrared ray and the fabric sample.As shown in Figure 1, as infrared origin, for example sunshine has covered whole wave spectrum, and therefore, the intensity that shines the light beam on the sample is (I in infrared scope not only
0), also comprise the radiation energy of its all band (I other).On the other hand, after having absorbed radiation energy, the temperature of this sample can raise and go out other infrared rays two surface emitting.Therefore, the infra-red intensity of transmission can be expressed as:
I
t＝I
dt+I
et (3)
And the infra-red intensity of reflection can be expressed as:
I
r＝I
dr+I
er (4)
Wherein, I
DtAnd I
DrBe respectively the light intensity (W/m that directly passes fabric face and directly reflect from the teeth outwards
2).I
EtAnd I
ErRepresented the ultrared intensity (W/m of two surface emitting of this sample
2).
The infrared attribute test device of fabric of the present invention is according to above-mentioned principle design.
Fig. 2 shows the structure principle chart of the infrared attribute test device of fabric of the present invention.It comprises a framework 1, and this framework comprises two sliding bars 11,12 that are arranged on its both sides and a base 16 that is arranged on its underpart; Bionics skin model 2 is arranged on this base of this framework, is used to imitate the human body skin under the perspire state; It is arranged on infrared origin 4 one and is positioned on the loading plate 15 on framework top, loading plate is connected with described two sliding bars respectively by two sliding clamps 13,14, and can slide up and down along described two sliding bars 11,12, to adjust the distance (between the 100mm to 500mm) between this infrared origin and this fabric; Sample stage 6 is used for being provided with described fabric sample 7 thereon, and it is arranged on the top of this bionics skin model, and can adjust and this bionics skin model between distance; Lower sensor bar 3, but it can slide up and down one of them that also is connected to left-right rotation described sliding bar, between sample stage 6 and bionics skin model 2, is provided with one first infrared radiation sensor 31 at its end; Upper sensor bar 5, but can slide up and down one of them that also is connected to left-right rotation described sliding bar, and be close to the top of described sample stage, be provided with one second infrared radiation sensor 51 at its end; Described first infrared radiation sensor and second infrared radiation sensor are used for measuring respectively the infra-red intensity of 7 two surface reflections of this fabric sample and the infra-red intensity of transmission; Thereby calculate the physical quantity that characterizes fabric sample infrared radiation characteristic according to this measured value.The responding range of the infrared sensor of apparatus of the present invention is chosen in 6 to 14 microns the scope.
As shown in Figure 2, sample stage is slidably disposed on the base of this framework by pair of guide rods 61,62, thereby can regulate the distance between sample stage and the simulation skin model, and usually, this distance is made as 5mm.As shown in Figure 3, sample stage have a center hole 63, its diameter is approximately 80 millimeters; The fabric sample entirely is fixed on this sample stage by two set collars 71,72, and covers this center hole.The diameter of this set collar is approximately 140mm and concentric.Distance between this sample to be tested surface and this bionics skin can also be regulated by at place, 6 four angles of sample stage screw being set.Please refer to Fig. 2 again, upper sensor bar 5 and lower sensor bar 3 are respectively by two sliding clamps 52,32 are connected on the described sliding bar, sliding clamp 52,32 can slide up and down along this sliding bar, also can rotate around this sliding bar, thereby realize the adjustment of this first infrared radiation sensor and the second infrared radiation sensor position, under the measurement state, this first infrared radiation sensor and this second infrared radiation sensor have at least one to be to be arranged in the scope of this center hole as transmission sensor among the two, be used to measure the infra-red intensity of transmission, and another is as reflective sensor, is used to measure the infra-red intensity of fabric face reflection.
In addition, bionics skin model 2 is used for simulated humanbody skin, and it has 33 ℃ of constant skin temperatures, in order to realize control to this bionics skin model perspire rate, this device also comprises an accurate pump (not shown), and it links to each other with described bionics skin model, is used at 5g/m
2Hr is to 1000g/m
2Adjust the perspire rate of described bionic model between the hr, with the perspire rate of imitation under different metabolic rates, from perspire feelinglessly to sweaing all over.
Two kinds of measurement patterns that apparatus of the present invention are used for the infrared attribute of test fabric are below described:
(1) determine that fabric stops the ability of outside infrared radiation:
This test mode can be used in the fabric under the imitation sunlight, and measures the fabric infrared ray attribute under the situation of not perspire.Detailed process is as described below:
Close this bionics skin model 2, and it is covered with a black box, drop to minimum with influence with this skin model.This upper sensor bar 5 is used to measure the infra-red intensity (I of this reflection
r), the model of second infrared radiation sensor 51 that install the end of this upper sensor bar is ZP115, to measure the infra-red intensity I of this reflection
r, this sensor just in time is positioned at the center in this hole on this sample stage, and becomes miter angle with this horizontal sample platform, and test sample book is arranged on this sample stage.Fixed distance between this sensor and the sample reflecting surface is 5mm.Another first infrared radiation sensor 31, identical with second infrared radiation sensor 51 on this upper sensor bar 5, directly towards this infrared origin 4, be installed in the end of this lower sensor bar 3, be used to measure the ultrared intensity I of incident
0Ultrared intensity I with transmission
tIn this case, the upper surface of this sample is exactly a reflecting surface, and lower surface is exactly the transmission surface.Distance between this transmission surface and this sensor also is adjusted into 5mm.
Before being arranged on this sample on this sample stage, the measured value of this first infrared radiation sensor 31 has been represented the intensity I of incident infrared
0After being fixed on this sample on this sample stage, the measured value of this first infrared radiation sensor 31 has been represented the infra-red intensity I that send on this fabric transmission surface
tThe measured value I of this second infrared radiation sensor 51
rThe infrared intensity of having represented the reflecting surface of this sample.
Whole test process continues 5 minutes, and all measured values record in the computing machine.
Above-mentioned measuring process is not because the bionics skin model is worked, and only infrared origin work is so can measure the attribute of the opposing infrared radiation of fabric.
(2) infrared ray of this fabric keeps attribute under the state of determining slightly perspiring/sweaing all over.
Similar with first method, this method can be used in the situation of wearing clothing when emulation is perspired under indoor condition.Detailed process is as described below:
Connect this bionics skin model 2, close this infrared origin 4, and the black box that will cover on this bionics skin model 2 is removed.The perspire rate of this bionics skin model is controlled in from 5g/m
2Hr is to 1000g/m
2In the scope of hr.In this case, we can imitate a people who wears clothing, and it is under the various metabolism states, keep attribute with the infrared ray of determining the fabric under different perspire rates.
In this case, the upper surface of this fabric sample is the transmission surface, and lower surface is a reflecting surface.Second infrared radiation sensor 51 is used for measuring the infra-red intensity I from this skin model incident
0With infra-red intensity I in the transmission on the transmission surface of this sample
tBefore this sample was arranged on this sample stage, the measured value of this second infrared radiation sensor 51 had been represented the intensity I of incident infrared radiation
0After being arranged on this sample on this sample stage, the measured value of this second infrared radiation sensor 51 has been represented the infra-red intensity I of this transmission
tFirst infrared radiation sensor 31 on this lower sensor bar 3 is used to measure the infra-red intensity I from the reflection of sample reflecting surface
f
Whole measurement continues 5 minutes, and all measurement data record are in computing machine.
Above-mentioned measuring process is because in bionics skin model work, and carry out under the idle situation of infrared origin, so can measure the attribute of the maintenance human infrared radiation of fabric.
Based on the research of prior art, the space distribution of the infrared external reflection attribute of fabric meets cosine law (referring to " research of the infrared external reflection attribute of fabric ", northwest engineering college journal, textile Science and Technology version, the second phase in 1996, the 180-183 page).Therefore, whole infrared intensity can be passed through in the scope of 0 to 180 degree I
tOr I
rIntegration and obtaining.Perhaps, in the scope of 20mm, move this sample slightly at both direction with the step-length of 5mm respectively, to obtain the infra-red intensity I of this transmission
tMean value.And to be step-length with 45 degree rotate to 180 degree with this reflection measurement sensor from 0 degree, with the mean value of the ultrared intensity that obtains reflecting.
Because sensor has the response time, so the feature of the Response Property of following argumentation device of the present invention.
In order to determine the sensor response time in measuring process, carried out a test, its process is such:
1, connects this infrared origin 4, the sensor on the rodmeter 3,5 is all transferred to directly towards this infrared origin;
2, rotate this rodmeter, make sensor, and on sensor, cover a big opaque box, infrared radiation is shielded away from this infrared radiation district;
3, after system reaches steady state (SS), this box is removed, and this sounding rod is turned to the center of this radiation area and the output of register system.
Fig. 4 shows the typical sensor response curve, from this figure we as can be seen, the response time of this reflection and transmission infrared sensor is respectively 10.4 ± 0.02s, 10.7 ± 0.27s.
As an example, when explained later stops outside infrared radiation characteristic in test fabric, the curve map of sensor output value.
As shown in Figure 5, be the output curve diagram of measuring second infrared radiation sensor 51 of reflective infrared intensity.And Fig. 6 is the output curve diagram of first infrared radiation sensor 31 of measuring the infrared intensity of transmission.At time point t
R1Before, do not place sample on the test board.After being arranged on this sample on the test board, t
R1To t
R2Between time period shown the output delay that causes owing to the response time of sensor.t
R2To t
R3Between time period be dynamically to change the stage, at t
R3Time period afterwards is the stabilization sub stage.Infra-red intensity I with the transmission of as shown in Figure 6 sample surface
tCompare the infra-red intensity I of this sample surface reflection
rRise soon in a short period of time with a bigger ascending angle, and arrive the stabilization sub stage.Similarly, in Fig. 6, also defined time point t
T1, t
T2And t
T3At t
T1Measured value before the time point is the infra-red intensity I of incident
0
As shown in Figure 6, incide the infra-red intensity I of this sample reflecting surface
0Be a steady state value, and can be before sample be covered this sample stage (time point t
T1Measure before).After sample being fixed on this sample stage, infrared ray is stopped by this sample portion ground, and can directly measure the ultrared intensity I of transmission
DtThis time point t
T2Delay be because the time delay of measuring system response.
Measurement result I
rRepresented the infrared emittance of sample reflecting surface, it comprises two components: the infra-red intensity I of direct reflection
DrWith since sample absorbed radiation energy and reflecting surface temperature raise, and by the infra-red intensity I of reflecting surface emission
Er
Similarly, measurement result I
tAlso represented the infrared intensity on sample transmission surface, it also comprises two components: the infra-red intensity I of direct transmission
DtWith since sample absorbed radiation energy and transmissometer surface temperature raise, and by the infra-red intensity I of transmissometer surface launching
Er
In order to characterize the infrared ray attribute of fabric, defined following index according to above-mentioned measured value: it is listed in table 1 in detail:
Some desired values that can from above-mentioned direct measured value, calculate have also been defined in addition, for example: standardized reflecting surface infrared intensity IEr, standardized transmissometer is flushing outer intensity I Et, average infrared intensity IErms at stabilization sub stage fabric reflecting surface, the average infrared intensity IEers that sends at stabilization sub stage fabric reflecting surface, or the like.Above-mentioned defined index can be calculated and be analyzed by the SPSS11.0 of statistical software of specialty.
Thus, by this device, can classify to the radiation properties and the application of this fabric.For example, the infrared reflection intensity of fabric reflecting surface is high more, and this fabric is pleasantly cool more.
Discussed below is concrete test case.(21 ± 1 ℃ of temperature, relative humidity 65+2% utilize this device that three kinds of different fabrics are tested under the test environment of standard.The essential information of this fabric is as shown in table 2:
Table 2: the physical attribute of sample
| Sample | Color | Content | Structure | At 11b/in 2Pressure under thickness | Weight g/m 2 | |
| S1 | In vain | Be covered with the cotton textiles of UV piece nano material | Weaving | 0.54±0.01 | 155±0.25 | |
| S2 | In vain | Textile | Gauze | 0.35±0.01 | 45.6±0.0 2 | |
| | Ash | 40% function PE, 60% cotton | Knitting | 1.82±0.02 | 465±1.2 |
Fig. 7 and Fig. 8 show the test curve on fabric reflecting surface and transmission surface respectively.
As can be seen from Figure 7, although these three kinds of samples have different structures, these samples starting stage and movement segment begin have similar infrared ray attribute.Clearly, sample S3 has the reflective infrared intensity of the reflecting surface more a lot of greatly than other sample in the stabilization sub stage, and has longer movement segment.
Fig. 8 has shown that sample S2 has maximum initial transmission intensity in the three.This is because gauze has lower coverage rate, and a lot of infrared rays can directly pass.Simultaneously, sample S2 has reached the stabilization sub stage with the shortest time, and when skin contacted with fabric, the intensity of stimulation was minimum.On the other hand, there is less infrared ray can directly pass fabric S3, and needs the longer time to arrive the stabilization sub stage.This explanation, sample S3 has the highest coverage rate, and when skin contacts with fabric, has the highest stimulus intensity.
In device of the present invention, use infrared sensor directly to measure the infra-red intensity of two surfaces of fabric under the infrared radiation situation and change, its emulation the condition of wearing under the sunshine.Based on this measurement result, defined a series of indexs, be used to describe the dynamic and static infrared attribute of textile.Thereby how to have solved the technical matters of the radiation properties of quantitative description fabric.
Device of the present invention can be incorporated in the sales promotion that the megastore is used for product widely, also can assist the dress designing people to select materials, and the manufacturer of fabric can also use this device to carry out the research and development of new product.
Claims (10)
1, a kind of device that is used for the infrared ray attribute of test fabric sample is characterized in that this device comprises:
One framework (1), this framework comprise two sliding bars (11,12) that are arranged on its both sides and a base (16) that is arranged on its underpart;
One bionics skin model (2) is arranged on this base of this framework, is used to imitate the human body skin under the perspire state;
One infrared origin (4), it is arranged on the top of this framework, and can slide up and down along described two sliding bars (11,12), to change its upright position;
One sample stage (6) is provided with described fabric sample (7) on it, it is arranged on the top of this bionics skin model, and can adjust and this bionics skin model between distance;
Rodmeter (3) once, but its can slide up and down and left-right rotation be connected one of them of described sliding bar, and be located between described sample stage and the described bionics skin model (2), be provided with one first infrared radiation sensor (31) at its end;
One upper sensor bar (5), but it can slide up and down one of them that also is connected to left-right rotation described sliding bar, and be close to the top of described sample stage, be provided with one second infrared radiation sensor (51) at its end;
This first infrared radiation sensor is used to measure the infra-red intensity that the infra-red intensity of upper surface reflection of this fabric sample (7) and this second infrared radiation sensor are used to measure the lower surface transmission of this fabric sample (7); Thereby calculate the physical quantity that characterizes fabric sample infrared radiation characteristic according to this measured value.
2, device as claimed in claim 1, it is characterized in that, described sample stage is slidingly arranged on the base of this framework by pair of guide rods (61,62), described sample stage has a center hole, described fabric sample entirely is fixed on this sample stage by two set collars (71,72), and covers this center hole.
3, device as claimed in claim 1, it is characterized in that, described infrared origin is arranged on the loading plate (15), and described loading plate is connected with described two sliding bars respectively by two sliding clamps (13,14), thereby realizes the adjustment of this infrared origin upper-lower position.
4, device as claimed in claim 1, it is characterized in that, described upper sensor bar (5) and lower sensor bar (3) are connected on the described sliding bar by two sliding clamps (52,32) respectively, described sliding clamp (52,32) can slide up and down along this sliding bar, also can rotate, thereby realize the adjustment of this first infrared radiation sensor and the second infrared radiation sensor position around this sliding bar.
5, device as claimed in claim 1 is characterized in that, also comprises a pump, links to each other with described bionics skin model, is used at 5g/m
2Hr is to 1000g/m
2Adjust the perspire rate of described bionic model between the hr.
6, a kind of method of utilizing the infrared ray attribute of the described device to test fabric of claim 1 sample is characterized in that, may further comprise the steps:
Close the bionics skin model (2) that is arranged on fabric sample below, and cover this bionics skin model (2) with a black box;
Open the infrared origin (4) that is arranged on this fabric sample top;
Before being arranged on this fabric sample on the sample stage, read the measured value that is arranged on one first infrared radiation sensor between this sample stage and this bionics skin model, as the infrared intensity that incides this fabric sample surface;
This fabric sample is arranged on this sample stage, read the measured value of this first infrared radiation sensor and one second infrared radiation sensor that is arranged on this fabric sample top then respectively, it is respectively transmission and crosses the infra-red intensity of this fabric sample and the ultrared intensity of this fabric sample surface reflection; With
Calculate the value of a plurality of physical quantitys that characterize this sample fabric infrared radiation characteristic according to above-mentioned measured value,
Because above-mentioned steps is carried out under the idle situation of this bionics skin model, so these a plurality of physical quantitys have reflected that the fabric sample stops ultrared ability.
7, method of testing as claimed in claim 6 is characterized in that, reads the step of measured value after being arranged on this fabric sample on this sample stage, also further comprises the steps:
In the scope of 20mm, move this sample slightly at both direction with the step-length of 5mm respectively, with the mean value of the infra-red intensity that obtains this transmission; And with 45 degree be step-length with this second infrared radiation sensor from and this fabric sample between angle be that 0 degree rotates to 180 degree, with the mean value of the ultrared intensity that obtains reflecting.
8, a kind of method of utilizing the infrared ray attribute of the described device to test fabric of claim 1 sample is characterized in that, may further comprise the steps:
Close the infrared origin (4) that is arranged on this fabric sample top;
Start the bionics skin model (2) that is arranged on this fabric sample below, and a coverture that will cover on this bionics skin model is removed;
Before being arranged on this fabric sample on the sample stage, read the measured value that this is arranged on one second infrared radiation sensor of this fabric sample top, as the infrared intensity that incides this fabric sample surface;
This fabric sample is arranged on this sample stage, read this second infrared radiation sensor then respectively and be arranged on this fabric sample and this bionics skin model between the measured value of one first infrared radiation sensor, it is respectively transmission and crosses the infra-red intensity of this fabric sample and the ultrared intensity of this fabric sample surface reflection; With
Calculate the value of a plurality of physical quantitys that characterize this sample fabric infrared radiation characteristic according to above-mentioned measured value;
Because above-mentioned steps is to carry out under the situation that this infrared origin is closed in this bionics skin model work, so these a plurality of physical quantitys have reflected that the fabric sample keeps ultrared ability.
9, method of testing as claimed in claim 8 is characterized in that, reads the step of measured value after being arranged on this fabric sample on this sample stage, also further comprises the steps:
In the scope of 20mm, move this sample slightly at both direction with the step-length of 5mm respectively, with the mean value of the infra-red intensity that obtains this transmission; And with 45 degree be step-length with this first infrared radiation sensor from and this fabric sample between angle be that 0 degree rotates to 180 degree, with the mean value of the ultrared intensity that obtains reflecting.
10, as claim 6 and 8 described method of testings, it is characterized in that, described a plurality of physical quantity is respectively: standardized reflecting surface infrared intensity, outer intensity that standardized transmissometer is flushing, in the average infrared intensity of stabilization sub stage fabric reflecting surface, the average infrared intensity of sending at stabilization sub stage fabric reflecting surface.
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| CN103675018B (en) * | 2013-10-10 | 2017-02-08 | 天津工业大学 | Fabric thermal property tester |
| CN105181651B (en) * | 2015-07-24 | 2017-08-25 | 中国计量学院 | A kind of method and device for testing textile positive and negative infrared emission difference |
| CN110044850A (en) * | 2019-04-03 | 2019-07-23 | 东华大学 | A kind of fabric ir transmissivity measurement method |
| CN110186946A (en) * | 2019-05-24 | 2019-08-30 | 中国计量大学 | For the skin model and analog temperature of textile test and the control method of perspiration |
| CN111929345B (en) * | 2020-05-29 | 2023-06-23 | 武汉凯尔文光电技术有限公司 | Textile magenta external performance testing device |
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| JP4034067B2 (en) * | 2001-11-19 | 2008-01-16 | グローリー株式会社 | Coin handling machine |
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| US4012954A (en) * | 1975-01-21 | 1977-03-22 | Original Hanau Quarzlampen Gmbh | Testing apparatus for light- and weather-resisting properties |
| US5805718A (en) * | 1994-10-07 | 1998-09-08 | Sharp Kabushiki Kaisha | Clothing amount measuring apparatus and method using image processing |
| EP1122538A2 (en) * | 2000-02-04 | 2001-08-08 | Lavanderie Dell'Alto Adige S.p.A. | Method and apparatus for checking and testing the characteristics of intervention clothes, in particular for firemen |
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