CN206892015U - It is a kind of into footwear thermal resistance, the test device of dampness - Google Patents
It is a kind of into footwear thermal resistance, the test device of dampness Download PDFInfo
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- CN206892015U CN206892015U CN201720792960.5U CN201720792960U CN206892015U CN 206892015 U CN206892015 U CN 206892015U CN 201720792960 U CN201720792960 U CN 201720792960U CN 206892015 U CN206892015 U CN 206892015U
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- 238000012360 testing method Methods 0.000 title claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 238000010438 heat treatment Methods 0.000 claims abstract description 58
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 8
- 241000235388 Mucorales Species 0.000 claims description 6
- 208000033748 Device issues Diseases 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 238000004088 simulation Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 238000004364 calculation method Methods 0.000 description 10
- 229920006395 saturated elastomer Polymers 0.000 description 8
- 238000012956 testing procedure Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000010998 test method Methods 0.000 description 6
- 239000012153 distilled water Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 239000004744 fabric Substances 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 210000004243 sweat Anatomy 0.000 description 4
- 238000009834 vaporization Methods 0.000 description 4
- 230000008016 vaporization Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
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Abstract
The utility model discloses one kind into footwear thermal resistance, the test device of dampness, including climatic chamber, mechanism for testing and observing and controlling operating system, be placed with climatic chamber wearing prosthetic appliance into footwear, prosthetic appliance includes the perspiration prosthese that simulation true man perspire, the periphery of perspiration prosthese is fitted with prosthese skin, attemperator is provided with the top of perspiration prosthese, attemperator includes the closure coordinated with perspiration prosthese top port, closure periphery is provided with heat-insulation layer, test device also includes being arranged on the peristaltic pump outside climatic chamber, one end of peristaltic pump is stretched into inside perspiration prosthese, the other end is connected with water tank；The heating plate and temperature sensor a that mechanism for testing includes being arranged on heating element heater inside perspiration prosthese and temperature sensor b, is arranged on heat-insulation layer, and the heating rod b and temperature sensor c set in water tank, water circulating pump, heating rod a of the heating element heater for heating；Observing and controlling operating system is connected with mechanism for testing, peristaltic pump respectively.
Description
Technical field
Footwear detection field is the utility model is related into, specifically, is referred to a kind of into footwear thermal resistance, the test device of dampness.
Background technology
Into footwear are warm, wet comfortableness is content most basic in its snugness of fit, its evaluation index include the thermal resistance into footwear,
Dampness etc..It is many to influence into footwear thermal resistance, the factor of dampness, including vamp material, shoe lining material, insole material, adhesive, interior bag
Head, structure design, shoe-making process etc., the thermal resistance dampness test of simple material for shoes can not truly reflect into this performance of footwear.
Standard GB/T/T 33393-2016《The measure of thermal resistance and dampness under the whole footwear test method limit of footwear》Will
Sample is through on the pin mould for covering human skin equivalent, and pin mould surface keeps identical constant temperature during experiment, so that hot
Amount can only be scattered and disappeared by sample, after experimental condition reaches stable state, be determined by the heat flow of sample to calculate the thermal resistance of sample,
Measure heat flow needed for holding pin mould surface constant temperature under certain water evaporation rate, is counted together with the water vapour pressure by sample
Calculate the dampness of sample.This method of testing both needs temperature control equipment, it is also necessary to which transpiration control device, appliance arrangement are more multiple
It is miscellaneous, it is necessary at twice respectively test thermal resistance and dampness, test process it is cumbersome.The equipment leans on import at present, and equipment is expensive, and
The upper end in the forward and backward area in shank bottom has thermal loss, causes larger thermal resistance measurement error.
Li Feifei etc. can be studied the hot wet migration of clothes using perspiration thermal manikin, and (Li Feifei are based on out
Sweat thermal manikin Clothing Wetness And Heat Comfort can study [D] Institutes Of Technology Of Zhejiang, and 2013.).However, thermal manikin manufacture complexity,
Expensive, use cost is higher, and the dummy of various countries respectively has feature, its build, material, segmental structure, temperature control method,
The difference such as perspiration method and test method, experimental condition, the test result using different thermal manikins is caused in the presence of very big
Otherness, limit the popularization and application of dummy.
Chen Yisong etc. uses passive type sweating simulation principle, there is provided a kind of method for measuring heat resistance and moisture resistance of hat.Go out
Amount of sweat automatically adjusts according to the specific wearing situation and ambient condition of dummy head, and the consumption of feed pipe reclaimed water is equal to dummy head
Upper outer lost sweat tolerance, the volume of perspiration of the slippage metering analog head by recording water level in water pipe.This method of testing by
In using siphon principle, to dummy head moisturizing, with the progress of moisturizing, water level is gradually reduced in water pipe, causes the water in dummy head
Pressure gradually reduces.
In summary, into the device of footwear thermal resistance and dampness, all relatively expensive, test is ineffective, surveys for test at present
Method for testing versatility is not strong, the not high technical problem of accuracy rate；
The utility model establish under a kind of stable state into footwear heat, wet performance evaluation method.In the environmental condition of setting
Under, all test events, monitoring condition are integrated, display in good time virtual " perspiration prosthetic foot " skin temperature, heating power, volume of perspiration
Deng being done directly into the test of the thermal resistance value and dampness value of footwear by disposable test can.
Utility model content
The utility model offer is a kind of into footwear thermal resistance, the test device of dampness and method of testing, for solving existing skill
Exist in art：Test at present is into the device of footwear thermal resistance and dampness, and all relatively expensive, test is ineffective, and method of testing is led to
It is not strong with property, the technical problem such as not high technical problem of accuracy rate.
In order to solve the above-mentioned technical problem, the purpose of this utility model one：Footwear thermal resistance, the test device of dampness are provided into；
The utility model is achieved through the following technical solutions purpose one：
Including climatic chamber, mechanism for testing and observing and controlling operating system, wearing prosthese is placed with the climatic chamber
Device includes the perspiration prosthese that simulation true man perspire into footwear, the prosthetic appliance, and the periphery of the perspiration prosthese is fitted with vacation
Body skin, be provided with attemperator at the top of the perspiration prosthese, and the attemperator includes and the cooperation of perspiration prosthese top port
Closure, the closure periphery are provided with heat-insulation layer, and the test device also includes being arranged on the wriggling outside climatic chamber
Pump, one end of the peristaltic pump are stretched into inside perspiration prosthese, and the other end is connected with water tank；
The mechanism for testing includes being arranged on heating element heater inside perspiration prosthese and temperature sensor b, is arranged on insulation
The heating rod b of setting and temperature sensor c, the heating element heater are in heating plate and temperature sensor a on layer, and water tank
Water circulating pump, the heating rod a of heating；
The observing and controlling operating system is connected with mechanism for testing, peristaltic pump respectively.
In order to preferably realize this practicality, further, the mechanism for testing also includes glass tube, and the glass tube passes through
Attemperator is simultaneously stretched into perspiration prosthese, and optical fiber liquid level sensor is additionally provided with the glass tube.
In order to preferably realize this practicality, further, the glass tube top is cylinder, and bottom is sharp cone distal.
In order to preferably realize this practicality, further, the perspiration prosthese is empty pin mould, is by the rubber with holes with elasticity
Made of glue material；The prosthese skin is microcellular structure, is made of waterproof moisture permeating fabric.
In order to preferably realize this practicality, further, the mechanism for testing, peristaltic pump connect with observing and controlling operating system
Connect, the observing and controlling operating system includes data acquisition module, processing module and display module, the signal quilt that test device issues
Data acquisition module is received, and the signal is transferred in processing module, and the signal after processing will be sent to display module, display
Out.
Operation principle；The radiating of people's pin has 2 kinds of citation forms：Using thermograde as the xeothermic of driving force and using moist gradient as
Driving force it is damp and hot, when perspiration prosthese, be in poised state into footwear and environment when, heat caused by perspiration prosthese with by into footwear
The heat distributed to environment is equal, now, have perspiration prosthese-into footwear-environment structure thermograde and moist gradient be in one
Individual stable state, based on this principle, footwear thermal resistance, dampness value can be tested into, footwear are warm, wet comfortableness so as to judge into.
Prosthetic foot skin is made using the fabric containing microcellular structure film in the utility model, and by this prosthetic foot skin paste
Close on perspiration prosthese, this fabric maximum diameter of hole is more than the diameter of stream molecule, but straight less than the minimum water droplet of aqueous water
Footpath, so, vapour molecule can be allowed to pass through without allowing aqueous water to flow out.By being full of distilled water in perspiration prosthese, use
Optical fiber liquid level sensor, peristaltic pump and observing and controlling operating system carry out the Automated condtrol of perspiration prosthese liquid level jointly, additionally it is possible to obtain
Obtain the volume of perspiration of the rate of water make-up, i.e. perspiration prosthese under dynamic condition.Perspiration prosthese temperature is controlled by observing and controlling operating system
System, using maintenance power during integration method measurement stable state, volume of perspiration, so as to show perspiration prosthese in observing and controlling operation system interface
Real time temperature, realtime power, volume of perspiration, dampness value and thermal resistance value.
The utility model is by following testing procedure：
Specific testing procedure is as follows：
S1：Prosthetic appliance is penetrated into footwear, and is put into climatic chamber together, the time was recorded every one minute, obtains
Time value t1、t2、t3……tn；
S2：Electric energy accumulation consumption of the heating element heater since measurement is measured by observing and controlling operating system, accumulated
Data P1、P2、P3……Pn；Accumulation pump liquid amount of the peristaltic pump from beginning is measured by observing and controlling operating system, obtains accumulative total
According to there is L1、L2、L3……Ln；
Measure detection data V；
First time point is V1(t1、P1、L1)；
First time point is V2(t2、P2、L2)；
3rd time point was V3(t3、P3、L3)；
……
N time points are Vn(tn、Pn、Ln)；
S3：The pump liquid amount of peristaltic pump is identical with the volume of perspiration of perspiration prosthese, after measurement reaches X+1 times, in cycle X,
The average volume of perspiration Q of perspiration prosthese is calculated by below equation,
……
Wherein, X is the natural number more than 5；
S4：By below equation, calculate the perspiration prosthese within the X cycles and pass through average damp and hot amount into footwear：
He=λ Q, wherein；
λ：The heat of vaporization of water, it is 0.672Wh/g at 35 DEG C；
Q：Perspiration prosthese evaporates volume of perspiration；
He1=λ Q1；
He2λ·Q2；
He3=λ Q3；
……
Hem=λ Qm；
S5：The caloric value of the perspiration prosthese heating element heater is identical with the power consumption of the heating element heater of perspiration prosthese,
By below equation, the caloric value of the heating element heater of perspiration prosthese within the X cycles is calculated：
……
S6：The dry of footwear is measured into by the caloric value of perspiration prosthese and the caloric value of water circulating pump and into the damp and hot of footwear
Heat, the xeothermic of footwear is calculated into by below equation：Hd=Hs+Hc-He, wherein：
Hd-transmission is into the xeothermic of footwear；
The caloric value of Hs-perspiration prosthese heating element heater；
The caloric value of Hc-water circulating pump；
Damp and hot amount of the He-transmission into footwear；
Hc1=PX
Hc2=PX
Hc3=PX
……
Hcm=PX, wherein PX are the heating power of water circulating pump；
Obtain
Hd1=Hs1+Hc1-He1
Hd2=Hs2+Hc2-He2
Hd3=Hs3+Hc3-He3
……
Hdm=Hsm+Hcm-Hem
S7：Based on above-mentioned data, by below equation, the dampness value of footwear is calculated into：
Wherein,
Re-into the dampness value of footwear and its boundary-layer air；
The body surface area of A-pin body；
Saturated vapor pressure on the inside of Psi-pin body skin under skin temperature ts；
Steam relative humidity on the inside of RHsi-skin, it is 100% at this；
The saturated vapor pressure of environment at 35 DEG C of Pa-temperature；
The relative humidity of RHa-test environment；
Damp and hot amount of the He-transmission into footwear；
……
S8：Based on above-mentioned data, by below equation, by below equation, the thermal resistance value of footwear is calculated into：Wherein,
Rt-into footwear thermal resistance value；
The surface area of A-prosthetic foot；
Ts-pin body skin temperature；
Ta-test environment temperature；
Hd-transmission is into the xeothermic of footwear；
……
S9：Obtained by step S7 a series of into footwear dampness value, after reaching Y+1 into footwear dampness value measurement, pass through Y
It is as follows into footwear dampness average value and standard deviation, the calculation formula of average value within the Y+1 cycles into the wet computing the resistor value of footwear：
Wherein ReA-into footwear dampness average value；
……
Wherein y is greater than 5 natural number,
By Y into the wet computing the resistor value of footwear within the Y cycles into footwear dampness value standard deviation, the calculation formula of standard deviation is such as
Under：
Wherein, ua-into footwear dampness value standard deviation；
S-it is number of samples；
Rei--- it is sample value；
ReA-it is into footwear dampness average value；
……
S10：Draw into the coefficient of variation of footwear dampness respectively by below equation：
Wherein, CVA-into the footwear dampness coefficient of variation；
ReA-into footwear dampness average value；
Ua-standard deviation；
……
S11：Obtained by step S8 a series of into footwear thermal resistance value, after reaching Y+1 into footwear thermal resistance value measurement, pass through Y+
1 as follows into footwear thermal resistance average value and standard deviation, the calculation formula of average value within the Y+1 cycles into the calculating of footwear thermal resistance value：
Wherein RtB-into footwear thermal resistance average value；
……
Wherein y is greater than 5 natural number,
By Y into footwear thermal resistance value calculate within the Y cycles into footwear thermal resistance value standard deviation, the calculation formula of standard deviation is such as
Under：
Wherein ua-into the footwear thermal resistance coefficient of variation；
S-number of samples；
Rti- it is sample value,；
RtA-into footwear thermal resistance average value；
……
S12：Draw into the coefficient of variation of footwear thermal resistance respectively by below equation：
Wherein, CVB-into the footwear thermal resistance coefficient of variation
RtB-average；
Ub-standard deviation；
……
S13：Dampness coefficient of variation CVA is arrived when calculatingkWith thermal resistance coefficient of variation CVBkNumerical value be respectively less than in synchronization
5%, footwear reached stable state, stop test；
S14：After stopping test, take out under stable state into footwear thermal resistance value Rtm and dampness value Rem.
In order to more preferably realize the utility model, further：Alternative steps S14, after stopping test, E volume of perspiration is taken forward
Value, and be averaged, volume of perspiration average value is obtained, calculation formula is as follows：
S15：According to step S14, by below equation, perspiration prosthese is calculated through the damp and hot amount average value into footwear：
HeIt is flat=λ QIt is flat,
S16：According to step S15, by below equation, the dampness value of footwear is calculated into；
S17：After stopping test, the caloric value of E water circulating pump is taken out forward, and is averaged, and obtains the hair of water circulating pump
Heat average value, the caloric value average value of water circulating pump is calculated by below equation；
S18：After stopping test, the caloric value of E perspiration prosthese heating element heater is taken out forward, and is averaged, and is perspired
The caloric value average value of prosthese heating element heater, the caloric value average value of perspiration prosthese heating element heater is calculated by below equation；
S19：According to the caloric value average value of the obtained water circulating pump of step S17 and S18 and perspiration prosthese heating element heater
Caloric value average value, then calculated by below equation through the xeothermic average value into footwear；
HdIt is flat=HsIt is flat+HcIt is flat-HeIt is flat
S20：The xeothermic average value into footwear obtained according to step 19, is calculated by below equation, calculates into the thermal resistance of footwear
Value
In order to more preferably realize the utility model, further：Also include test prosthetic foot skin dampness in the method for testing；
S21：Prosthetic appliance is placed in climatic chamber, 35 DEG C are kept in the climatic chamber, measures prosthetic foot
The dampness value Res of skin；
Specifically the testing procedure of test prosthetic foot skin dampness is：
S211：Perspiration prosthese is carried out by local parcel using heat-insulated towel, avoids conducting heat to air, thermometer is attached to
Prosthetic foot surface, obtain the profiling temperatures on prosthetic foot surface；
S212：Prosthetic foot surface temperature average value obtained above is set as 35.0 DEG C；
S213：High wind is blown on prosthetic foot surface by using fan, is contrasted under different wind friction velocities, the dampness value of prosthetic foot skin
And thermal resistance value；
The dampness of prosthetic foot skin is obtained by below equation：
Wherein；
The dampness of Res --- skin；
A --- the body surface area of pin body；
Saturated vapor pressure on the inside of Psi --- pin body skin under skin temperature ts；
Pa --- the saturated vapor pressure of environment under temperature Ta；
The relative humidity of RHa --- test environment；
Qn --- the volume of perspiration under prosthetic foot nude state；
The heat of vaporization of λ --- water, it is 0.672Wh/g at 35 DEG C.
The utility model compared with prior art, has advantages below and beneficial effect：
(1) the utility model is by establishing to being tested into footwear heat, wet performance under a kind of stable state, in the environment bar of setting
Under part, it is controlled using observing and controlling operating system, all test events, monitoring condition is integrated in same observing and controlling operating system
On, virtual perspiration prosthese skin temperature, heating power, volume of perspiration etc. are shown in good time, it is directly complete by disposable test can
Into the test of the thermal resistance value into footwear and dampness value；
(2) the utility model carries out perspiration prosthese jointly by optical fiber liquid level sensor, peristaltic pump and observing and controlling operating system
The Automated condtrol of liquid level, automation is higher, and test is more accurate；
(3) the utility model is by the testing procedure, can fast and efficiently uniformity test go out into footwear thermal resistance value,
Dampness value, the testing procedure accuracy rate is high, and test is simple；
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Sign, objects and advantages will become apparent：
Fig. 1 is the structural representation of the utility model embodiment 1；
Wherein：1-climatic chamber, 21-water circulating pump, 22-heating rod a, 23-temperature sensor b, 24-heating
Piece, 25-temperature sensor a, 26-heating rod b, 27-temperature sensor c, 28-glass tube, 29-optical fiber liquid level sensor,
3-observing and controlling operating system, 41-into footwear, 42-perspiration prosthese, 43-heat-insulation layer, 5-peristaltic pump, 6-water tank.
Embodiment
The utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment 1：
It is a kind of into footwear thermal resistance, the test device of dampness, as shown in figure 1, including climatic chamber 1, mechanism for testing and observing and controlling
Operating system 3, be placed with the climatic chamber 1 wearing prosthetic appliance into footwear 41, it is true that the prosthetic appliance includes simulation
The perspiration prosthese 42 that people perspires, the periphery of the perspiration prosthese 42 are fitted with prosthese skin, and the top of perspiration prosthese 42 is provided with
Attemperator, the attemperator include the closure coordinated with the top port of perspiration prosthese 42, and the closure periphery is provided with
Heat-insulation layer 43, the test device also include being arranged on the peristaltic pump 5 outside climatic chamber 1, and one end of the peristaltic pump 5 is stretched
Enter to perspire inside prosthese 42, the other end is connected with water tank 6；
The mechanism for testing includes being arranged on heating element heater inside perspiration prosthese 42 and temperature sensor b23, is arranged on
The heating rod b26 and temperature sensor set in heating plate 24 and temperature sensor a25 on heat-insulation layer 43, and water tank 6
C27, water circulating pump 21, heating rod a22 of the heating element heater for heating；
The observing and controlling operating system 3 is connected with mechanism for testing, peristaltic pump 5 respectively, and the observing and controlling operating system 3 includes data
Acquisition module, processing module and display module, the signal that test device issues are received by data acquisition module, and by the signal
It is transferred in processing module, the signal after processing will be sent to display module, be shown；
Further optimization, the mechanism for testing also include glass tube 28, and the glass tube 28 is through attemperator and stretches into
In perspiration prosthese 42, optical fiber liquid level sensor 29 is additionally provided with the glass tube 28, the top of glass tube 28 is cylinder, under
Portion is sharp cone distal.
Further optimization, the perspiration prosthese 42 is empty pin mould, is made of the elastomeric material with holes of elasticity；The vacation
Body skin is microcellular structure, is made of waterproof moisture permeating fabric；
Embodiment：
Carried out in climatic chamber 1 under stationary temperature, humidity and wind friction velocity, first by dress prosthetic appliance into
Footwear 41 are in climatic chamber 1, and prosthetic appliance mainly includes the perspiration prosthese 42 that simulation true man perspire, and perspiration prosthese 42 is band
Made of the elastomeric material with holes of elasticity, such setting be easy to test different styles, height heels, last carving type shape into footwear
41, prosthetic foot skin is provided with outside perspiration prosthese 42, the prosthetic foot skin is for microcellular structure, and is made up of waterproof moisture permeating fabric, this
Sample is set, the built-in distilled water of perspiration prosthese 42, in heating process, produces steam, and steam is diffused into shoe cavity by microporous barrier,
State when being worn closer to human body；
Start mechanism for testing and observing and controlling operating system 3, the acquisition module of observing and controlling operating system 3 is to heating rod a22, heating rod
B26, heating plate 24, temperature sensor a25, temperature sensor b23, temperature sensor c27, caused by optical fiber liquid level sensor 29
Data are acquired, and signal is occurred to processing module, and are handled, and most test information is sent on display module at last, in real time
The data in experimentation of footwear 41 are monitored into, and the thermal resistance value and dampness value of footwear 41 are calculated into by above-mentioned data；
People's pin temperature, water circulating pump are simulated by the temperature of distilled water in temperature sensor b23 control perspirations prosthese 42
21 control distilled water circulate in perspiration prosthese 42, make the uniformity of temperature profile of perspiration prosthese 42；It is close in the upper end of perspiration prosthese 42
Capping and heat-insulation layer 43 are consistent its temperature, avoid heat from being passed by prosthetic foot upper end.
Perspiration prosthese 42 is supplied water using peristaltic pump 5, and simulation output is converted into using optical fiber liquid level sensor 29
Signal is controlled to water level.It is arranged vertically by 16 optical axises, when entering different medium (air or distilled water) according to light
The difference of refractive index, light effusion number judge the height of liquid level, so as to whether control the work of peristaltic pump 5, realize from
Dynamic control of supplying water.Can be by adjusting the range size of analog quantity high level and low value, control liquid level excursion is so as to adjusting
Whole error range, 4-5 millimeters of fluid column internal diameter, for height change scope general control in 2.5mm sections, worst error is 50 microlitres
(i.e. 50mg).It can accurately be controlled by observing and controlling operating system 3 and calculate the rate of water make-up under dynamic condition, be i.e. perspiration prosthese 42
Volume of perspiration.
The temperature of perspiration prosthese 42 is controlled by observing and controlling operating system 3, measures electric current, voltage, measurement heating rod is accumulative to disappear
Consuming electric power, and the heat production of water circulating pump 21 obtain the caloric value of heating element heater, obtain maintaining power by caloric value；Pass through operation
System 3 controls peristaltic pump to measure the volume of perspiration of prosthetic foot, obtains into the thermal resistance value and dampness value of footwear 41, and determine by the coefficient of variation
Whether stable state reaches, and in stable state, vapor into footwear 41 by being lost in surrounding air, the rate of water make-up of virtual prosthetic foot
The as volume of perspiration of prosthetic foot, by maintaining power, prosthetic foot volume of perspiration etc. to calculate into dampness and thermal resistance under the stable state of footwear 41.
The specific testing procedure of the test device：
S1：Prosthetic appliance is penetrated into footwear 41, and is put into climatic chamber 1 together, the time was recorded every one minute, obtains
To time value 1m, 2m, 3m ... 98m；
S2：Electric energy accumulation consumption of the heating element heater since measurement is measured by observing and controlling operating system 3, accumulated
Data 1917.964964J, 2746.571357J, 3585.118745J ... 81340.185261J；Pass through observing and controlling operating system 3
Accumulation pump liquid amount of the peristaltic pump 5 from beginning is measured, obtaining cumulative data has 0.498368ml, 0.586063ml, 1.206693
ml……33.021015ml；
Measure detection data V；
First time point is V1(1m、1917.964964J、0.498368ml)；
First time point is V2(2m、2746.571357J、0.586063ml)；
3rd time point was V3(3m、3585.118745J、1.206693ml)；
……
98th time point was Vn(98m、81340.185261J、33.021015ml)；
S3：The pump liquid amount of peristaltic pump 5 is identical with the volume of perspiration of perspiration prosthese 42, after measurement reaches 25+1 times, in the cycle
In 25 (setting values before experiment), wherein V25(25m、22102.058533J、8.619887ml)、V26(26m、
22868.57637J、9.009153ml)、V27(27m、23703.650269J、9.203659ml)、V28(28m、
24542.00155J、9.715324ml),V73(73m、61192.227693J、24.737347ml)、V98(98m、
81340.185261J, 33.021015ml), the natural number that X is 25, pass through the average perspiration that below equation calculates perspiration prosthese 42
Measure Q；
……
S4：By below equation, perspiration prosthese 42 is calculated within 25 cycles through the average damp and hot amount into footwear 41：
He=λ Q, wherein；
λ：The heat of vaporization of water, it is 0.672Wh/g at 35 DEG C；
Q：Perspiration prosthese 42 evaporates volume of perspiration；
He1=λ Q1=0.672Wh/g X 20.425884g/h=13.72619405w；
He2λ·Q2=0.672Wh/g X 20.6822304g/h=13.89845883w；
He3=λ Q3=0.672Wh/g X 20.4207144g/h=13.72272008w；
……
He73=λ Q73=0.672Wh/gX19.8808032g/h=13.35989975w；
S5：The caloric value and the power consumption phase of the heating element heater of perspiration prosthese 42 of the heating element heater of perspiration prosthese 42
Together, by below equation, the caloric value of the heating element heater of perspiration prosthese 42 within 25 cycles is calculated：
……
S6：Measured into by the caloric value of perspiration prosthese 42 and the caloric value of water circulating pump 21 and into the damp and hot of footwear 41
Footwear 41 it is xeothermic, the xeothermic of footwear 41 is calculated into by below equation：Hd=Hs+Hc-He, wherein：
Hd-transmission is xeothermic into footwear 41；
The caloric value of Hs-heating element heater of perspiration prosthese 42；
The caloric value of Hc-water circulating pump 21；
Damp and hot amount of the He-transmission into footwear 41；
Generally after a water circulating pump 21 is selected, the heating power of water circulating pump 21 is one and is relatively fixed value, calculating side
Method is：Set environment temperature is consistent with prosthetic foot temperature, is set to 35 DEG C, without heat exchange between prosthetic foot body and environment, passes through
Xeothermic power into footwear 41 is zero, heating power now and the heating power sum of water circulating pump 21 with through into the damp and hot of footwear 41
Measure (power) it is equal, wherein PX be water circulating pump 21 heating power, PX=7.4147W；
Hc1=PX=7.4147w
Hc2=PX=7.4147w
Hc3=PX=7.4147w
……
Hc73=PX=7.4147w,
Obtain
Hd1=Hs1+Hc1-He1=(13.96707427+7.4147) -13.72619405=7.655580172w
Hd2=Hs2+Hc2-He2=(13.97138594+7.4147) -13.89845883=7.4876271113w
Hd3=Hs3+Hc3-He3=(13.9712552+7.4147) -13.72272008=7.66323513w
……
Hd73=Hs73+Hc73-He73=(13.43197171+7.4147) -13.35989975=7.486771962w
S7：Based on above-mentioned data, by below equation, the dampness value of footwear 41 is calculated into：
Wherein,
Re-into the dampness value of footwear 41 and its boundary-layer air；
The body surface area of A-pin body；The value is 0.0678 ㎡
Saturated vapor pressure on the inside of Psi-pin body skin under skin temperature ts；The value is 35 DEG C, 5623Pa
Steam relative humidity on the inside of RHsi-skin, the value are 100%；
The saturated vapor pressure of environment, the value are 23 DEG C at 35 DEG C of Pa-temperature, 2809Pa；
The relative humidity of RHa-test environment；The value is 50%；
Damp and hot amount of the He-transmission into footwear 41；
……
S8：Based on above-mentioned data, by below equation, by below equation, the thermal resistance of footwear 41 is calculated into
Value：
Wherein,
Rt-into the thermal resistance value of footwear 41；
The surface area of A-prosthetic foot, the value are 0.0678 ㎡；
Ts-pin body skin temperature, the value are 35 DEG C；
Ta-test environment temperature, the value are 23 DEG C；
Hd-transmission is xeothermic into footwear 41；
……
S9：Obtained by step S7 a series of into the dampness value of footwear 41, after reaching 29+1 into the dampness value measurement of footwear 41, led to
Cross 30 (setting values before experiment) it is individual into 41 wet computing the resistor value of footwear within 30 cycles into the dampness average value of footwear 41 and standard deviation, it is average
The calculation formula of value is as follows：
Re is calculated by step S54=20.437324 (Pa ㎡/W), Re5=21.025314 (Pa ㎡/W), Re6=
20.54479 (Pa ㎡/W), Re30=20.82985 (Pa ㎡/W), Re31=20.860681 (Pa ㎡/W), Re32=
20.973577 (Pa ㎡/W), Re44=21.855415 (Pa ㎡/W), Re45=21.208895 (Pa ㎡/W), Re46=
20.819071(Pa·㎡/W)；
Wherein ReA-into the dampness average value of footwear 41；Formula is：Wherein
Y is 29；
……
By Y into 41 wet computing the resistor value of footwear within the Y cycles into the dampness value standard deviation of footwear 41, the calculation formula of standard deviation
It is as follows：
Wherein, ua-into the dampness value standard deviation of footwear 41；
S-it is number of samples；
Rei--- it is sample value；
ReA-it is into the dampness average value of footwear 41；
……
S10：Draw into the coefficient of variation of the dampness of footwear 41 respectively by below equation：
Wherein, CVA-into the dampness coefficient of variation of footwear 41；
ReA-into the dampness average value of footwear 41；
Ua-standard deviation；
……
S11：Obtained by step S8 it is a series of into the thermal resistance value of footwear 41, after reaching 29+1 into the thermal resistance value measurement of footwear 41,
By 30 into the thermal resistance value of footwear 41 calculate within 30 cycles into the thermal resistance average value of footwear 41 and standard deviation, the calculation formula of average value
It is as follows：Wherein y is 29 natural number；
Wherein RtB-into the thermal resistance average value of footwear 41,
……
By Y into the thermal resistance value of footwear 41 calculate within the Y cycles into the thermal resistance value standard deviation of footwear 41, the calculation formula of standard deviation
It is as follows：
Wherein ua-into the thermal resistance coefficient of variation of footwear 41；
S-number of samples；
Rti- it is sample value,；
RtA-into the thermal resistance average value of footwear 41；
……
S12：Draw into the coefficient of variation of the thermal resistance of footwear 41 respectively by below equation：
Wherein, CVB-into the thermal resistance coefficient of variation of footwear 41
RtB-average；
Ub-standard deviation；
……
S13：Dampness coefficient of variation CVA is arrived when calculatingkWith thermal resistance coefficient of variation CVBkNumerical value be respectively less than in synchronization
5%, footwear 41 reached stable state, stop test；
S14：After stopping test, take out under stable state into the thermal resistance value Rt of footwear 4173=21.408417 (DEG C ㎡/W) and it is wet
Resistance Re73=0.108672 (Pa ㎡/W).
Embodiment 2：
Embodiment is：Alternative steps S14, after stopping test, 30 perspiration values are taken forward, and be averaged, obtain
To volume of perspiration average value, wherein Q73=19.880803g/h, Q72=20.618006g/h, Q71=19.475146g/h, Q43=
20.879508g/h calculation formula is as follows：
S15：According to step S14, by below equation, perspiration prosthese 42 is calculated through the damp and hot amount average value into footwear 41：
HeIt is flat=λ QIt is flat=0.672X 20.02639527=13.45773762w,
S16：According to step S15, by below equation, the dampness value of footwear 41 is calculated into；
S17：After stopping test, the caloric value of E water circulating pump 21 is taken out forward, and is averaged, and obtains water circulating pump 21
Caloric value average value, the caloric value average value of water circulating pump 21 is calculated by below equation；
S18：After stopping test, the caloric value of the E heating element heater of perspiration prosthese 42 is taken out forward, and is averaged, and is gone out
The caloric value average value of the heating element heater of sweat prosthese 42, wherein Hs72,Hs71,Hs70,Hs44Perspiration prosthese is calculated by below equation
The caloric value average value of 42 heating element heaters；
S19：According to the caloric value average value and the heating unit of perspiration prosthese 42 of the obtained water circulating pump 21 of step S17 and S18
The caloric value average value of part, then calculated by below equation through the xeothermic average value into footwear 41；
HdIt is flat=HsIt is flat+HcIt is flat-HeIt is flat=(13.11102094+7.4147) -13.45773762=7.067983324w
S20：The xeothermic average value into footwear 41 obtained according to step 19, is calculated by below equation, calculates into footwear 41
Thermal resistance value
Embodiment 3：
S1：Prosthetic appliance is placed in climatic chamber 1,23 DEG C of 1 temperature of climatic chamber, humidity 50%, pin
Body is kept for 35 DEG C, under high wind conditions, measures the dampness value Res of prosthetic foot skin；
Specific testing procedure is as follows：The testing procedure of the test prosthetic foot skin dampness：
S11：Temperature sensor is attached to prosthetic foot surface, covered using the fritter towel for having cut out 30mmX30mmX10mm
Outside sensor, avoid local surfaces from being conducted heat to air too fast, obtain the profiling temperatures on prosthetic foot surface；
S12：Prosthetic foot surface temperature average value obtained above is set as 35.0 DEG C；
S13：High wind is blown on prosthetic foot surface by using fan, is contrasted under different wind friction velocities, the dampness value of prosthetic foot skin
And thermal resistance value；
The dampness of prosthetic foot skin is obtained by below equation：
Wherein；
The dampness of Res-skin；
A --- the body surface area of pin body, the value are 0.0678 ㎡；
Saturated vapor pressure on the inside of Psi-pin body skin under skin temperature ts；The value is 35 DEG C, 5623Pa
The saturated vapor pressure of environment under Pa-temperature Ta；The value is 23 DEG C, 2809Pa；
The relative humidity of RHa-test environment；The value is 50%
Volume of perspiration under Qn-prosthetic foot nude state；
The heat of vaporization of λ-water, it is 0.672Wh/g at 35 DEG C.
The dampness measure of the prosthetic foot skin, it is the test that dampness is carried out in the case where sample and high wind conditions are not worn in experiment, should
Value is a metastable value, it is not necessary to which experiment is all tested every time；
When test is into 41 dampness value of footwear, if putting on sample, the dampness value tested is not deduct prosthetic foot skin dampness
Value, also needs to artificial correction and subtracts prosthetic foot skin dampness value after now having tested；
Therefore when test is into 41 dampness value of footwear, it will have two methods progress, first is according to resulting in embodiment 1
Final numerical value subtracts the dampness value that prosthetic foot skin dampness value finally gives into footwear 41；Second is, the dampness value of prosthetic foot skin is existed
Just correct, obtained by the way of embodiment 1 final into the dampness value of footwear 41 in test process.
The initial data that table 1 starts for test：
The form of table 2 is after measurement reaches 25 times, within cycle 25 times, the number such as obtained average volume of perspiration, average damp and hot amount
According to
After the form of table 3 is reaches 30 into footwear dampness value measurement, calculated by 30 into footwear dampness value 30 cycles
Interior dampness average value and standard deviation into footwear, and calculate the coefficient of variation；
| CVRe | CVRt | |
| 1 | 1.7978% | 5.0035% |
| 2 | 1.7983% | 5.0672% |
| 3 | 1.7931% | 5.0715% |
| 4 | 1.7985% | 5.3631% |
| 5 | 1.9754% | 5.2425% |
| 6 | 1.9769% | 5.9522% |
| 7 | 1.9734% | 6.3548% |
| 8 | 1.9887% | 6.9137% |
| 9 | 1.9979% | 8.1138% |
| 10 | 2.0435% | 8.3610% |
| 11 | 2.0385% | 8.7322% |
| 12 | 2.0195% | 9.8648% |
| 13 | 2.1755% | 9.9052% |
| 14 | 2.1864% | 10.7014% |
| 15 | 2.2526% | 10.6501% |
| 16 | 2.2634% | 10.4340% |
| 17 | 2.2350% | 10.2683% |
| 18 | 2.3960% | 9.9707% |
| 19 | 2.3790% | 9.3756% |
| 20 | 2.3316% | 9.0975% |
| 21 | 2.4706% | 8.6264% |
| 22 | 2.4262% | 8.4435% |
| 23 | 2.3263% | 8.3038% |
| 24 | 2.3027% | 7.6980% |
| 25 | 2.2470% | 7.5204% |
| 26 | 2.1514% | 7.4195% |
| 27 | 2.1438% | 6.9504% |
| 28 | 2.1067% | 6.7912% |
| 29 | 2.1238% | 6.5719% |
| 30 | 2.1865% | 6.3022% |
| 31 | 2.1905% | 6.2844% |
| 32 | 2.1740% | 6.1365% |
| 33 | 2.1659% | 5.9932% |
| 34 | 2.1592% | 6.1221% |
| 35 | 2.2325% | 5.7346% |
| 36 | 2.2020% | 5.8935% |
| 37 | 2.2165% | 6.0099% |
| 38 | 2.2390% | 6.0210% |
| 39 | 2.1825% | 5.8649% |
| 40 | 2.2377% | 5.9386% |
| 41 | 2.2381% | 5.8974% |
| 42 | 2.2230% | 5.3239% |
| 43 | 2.2276% | 5.3364% |
| 44 | 2.0982% | 4.1933% |
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that
For：These embodiments can be carried out with a variety of changes, modification in the case where not departing from principle and objective of the present utility model, replace and become
Type, the scope of the utility model are limited by claim and its equivalent.
Claims (5)
- It is 1. a kind of into footwear thermal resistance, the test device of dampness, it is characterised in that：Including climatic chamber (1), mechanism for testing and observing and controlling Operating system (3), the climatic chamber (1) is interior to be placed with including into footwear (41), the prosthetic appliance for wearing prosthetic appliance The perspiration prosthese (42) that true man perspire is simulated, the periphery of the perspiration prosthese (42) is fitted with prosthese skin, the perspiration prosthese (42) top is provided with attemperator, and the attemperator includes the closure coordinated with perspiration prosthese (42) top port, described Closure periphery is provided with heat-insulation layer (43), and the test device also includes being arranged on the outside peristaltic pump of climatic chamber (1) (5), perspiration prosthese (42) inside is stretched into one end of the peristaltic pump (5), and the other end is connected with water tank (6)；The mechanism for testing includes being arranged on the internal heating element heater of perspiration prosthese (42) and temperature sensor b (23), is arranged on The heating rod b (26) and temperature set in heating plate (24) and temperature sensor a (25) on heat-insulation layer (43), and water tank (6) Spend sensor c (27), water circulating pump (21), heating rod a (22) of the heating element heater for heating；The observing and controlling operating system (3) is connected with mechanism for testing, peristaltic pump (5) respectively.
- It is 2. according to claim 1 into footwear thermal resistance, the test device of dampness, it is characterised in that：The mechanism for testing also wraps Glass tube (28) is included, the glass tube (28) is through attemperator and stretches into perspiration prosthese (42), on the glass tube (28) It is additionally provided with optical fiber liquid level sensor (29).
- It is 3. according to claim 2 into footwear thermal resistance, the test device of dampness, it is characterised in that：On the glass tube (28) Portion is cylinder, and bottom is sharp cone distal.
- It is 4. according to claim 1 into footwear thermal resistance, the test device of dampness, it is characterised in that：The perspiration prosthese (42) It is made of the elastomeric material with holes with elasticity for empty pin mould；The prosthese skin is microcellular structure, is knitted by Waterproof Breathable Made of thing.
- 5. according to any one of Claims 1 to 4 into footwear thermal resistance, the test device of dampness, it is characterised in that：The test Mechanism, peristaltic pump (5) are connected with observing and controlling operating system (3), and the observing and controlling operating system (3) includes data acquisition module, place Reason module and display module, the signal that test device issues are received by data acquisition module, and the signal is transferred into processing In module, the signal after processing will be sent to display module, be shown.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153080A (en) * | 2017-07-03 | 2017-09-12 | 四川省皮革研究所 | It is a kind of into footwear thermal resistance, the test device of dampness and method of testing |
| CN107153080B (en) * | 2017-07-03 | 2023-07-21 | 四川省皮革研究所 | Testing device and testing method for thermal resistance and wet resistance of finished shoe |
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Address after: 610081, No. two, North Third Ring Road, Chengdu, Sichuan Patentee after: Sichuan Leather Research Institute Co.,Ltd. Country or region after: China Address before: 610081, No. two, North Third Ring Road, Chengdu, Sichuan Patentee before: SICHUAN INSTITUTE OF LEATHER Country or region before: China |