CN105203587A - Method and equipment for testing heat retention property of down garment - Google Patents
Method and equipment for testing heat retention property of down garment Download PDFInfo
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Abstract
The invention discloses a method and equipment for testing heat retention property of a down garment. The complete testing method for the heat retention property of the down garment is obtained through partial and overall subjective feeling of a human body to the down garment and objective data acquisition of temperature changes of all parts. The down garment is redesigned with rank ordering of the sensitivity degrees of the different parts to the heat retention property as the reference, and finally the down garment which is extremely good in heat retention property and has forward-looking design creativity is obtained. By means of the method and equipment for testing heat retention property of the down garment, temperature changes of the different parts of the human body can be reflected truly, the method and equipment can be applicable to testing in various low-temperature or high-temperature environments, testing operation is simple, the measuring result is accurate, and measuring efficiency is high.
Description
Technical field
The present invention relates to textile garment quality evaluation test field, particularly a kind of method of testing of down coat warmth retention property and equipment.
Background technology
Heat insulating material formed is grow up on the basis of Chinese Textile Industry, has now heat insulating material formedly defined a hundred flowers contend in beauty situation, and often kind of heat insulating material formed advantage and competitive power having its uniqueness, is uniquely invariably all dressing to more warming, more comfortable.How to play the heat-preserving function of down coat material to a greater extent, the thermal property of down coat is allowed to be in optimum condition? the parts of body material that reasonably distributes is particularly important, between human dressing position, the otherness rule that skin creeping chill is subject to is the basis of the dress designing such as heat insulation cold-proof clothes.Utilize local to take and increase the method for warming measure, different body part is carried out evaluation analysis to the subjective feeling of down coat under same external environment, and drawing the best compatibility of the thermodynamic values of down coat by objective data collection.
The warmth retention property of clothes refers to that sample can keep the degree of cladding temperature, can be described as the most important performance of insulation garment filler.The indexs such as usual coefficient of heat conductivity, clo value, insulation rate, heat insulation and thermal resistance, adiabatic exponent, the cold dim sense of fabric are weighed.For the test of down coat warmth retention property, existing method of testing mostly is thermal resistance value method of testing, a kind of distance method reacting dressing warmth retention property.Such as: with reference to GB/T11048-2008 the mensuration of thermal resistance and dampness " under the textile physiological comfort steady state conditions ", the warming instrument of YG (B) 606D type flat-plate type fabric is adopted to test, flat insulation instrument is applicable to the thermal property testing most of textile, but there is larger difference in plane sample and formation of clothing, down coat style is different, cover body surface area different, down coat thermal resistance is also different, apparel construction is different, thermal resistance is also different, is not therefore suitable for the test of down coat warmth retention property.Usually thermal manikin is adopted to measure the thermal resistance value of clothes at present in the world, in human body-clothes-environmental system, people is in leading position, and the selection of subjective feeling evaluation to clothes of people has decisive role, Fashion environment all should obey without questioning and serve people, thermal manikin is simulation clothes thermal equilibriums, but still there is certain otherness with normal human.In sum: although many scholars have carried out large quantifier elimination to how evaluating down coat warmth retention property aspect, lack now test process and the evaluation method of special test down coat warmth retention property, and lack a set of Simplified Test Equipment.
Summary of the invention
The object of the present invention is to provide a kind of method of testing of down coat warmth retention property, the temperature variation of what the method was vivid reflect human body different parts, go for the test under various low temperature or hot environment, test operation is simple, measurement result is accurate, measures efficiency high.
The present invention also provides a kind of equipment for above-mentioned method of testing.
The technical solution adopted for the present invention to solve the technical problems is:
A method of testing for down coat warmth retention property, comprises the steps:
(1) down coat is put into thermostatic constant wet chamber's pre-conditioned; By down coat being put into thermostatic constant wet chamber's pre-conditioned special time, to make down coat adapt to constant temperature and humidity room environmental, ensure the accuracy of measurement result.
(2) first experimenter sits quietly rest 30 minutes, period, and experimenter explains laboratory operating procedures and experiment points for attention to experimenter; The impact that rest of sitting quietly brings test result because of environment change and exercise metabolism with reduction for 30 minutes.
(3) power supply of temperature sensor is received on direct supply, with medical transparent air-permeable adhesive tape, 8 of temperature sensor temp probes are clung on 8 positions of down coat internal layer lining successively, 8 positions are collare, omoplate, belly, low back, oxter, chest, large arm, forearm respectively, simultaneous temperature sensor is connected on computing machine, record the situation of change of each spot temperature, the test frequency of temperature sensor is 10HZ; The present invention chooses above specific 8 site tests for down coat particular design, reflects the comprehensive and accuracy of down coat thermal property test, and the test frequency of control temperature sensor is the accuracy that 10HZ ensures test result.
(4) experimenter keeps sitting quietly state, plays light music, until computing machine records 8 temp probe data are shown as constant temperature and humidity room temperature, and keeps stablizing 10 ± 1min, and then, experimenter has a drink the hot water of 100mL45 ± 1 DEG C; The have a drink hot water of 100mL45 ± 1 DEG C of experimenter makes health enter the state of relative comfort, reduces the interference of measuring, ensures the accuracy of test result.
(5) test starts, record initial time, experimenter stands and puts on down coat, after putting on down coat, experimenter's maintenance of sitting down is sat quietly state, experimenter's every 1 minute record thermal environment parameter, require that the thermal comfort questionnaire that experimenter carries out whole and part is filled in, record Subjective Thermal Feeling data simultaneously; Temperature sensor gathers the objective data at collare, omoplate, belly, low back, oxter, chest, large arm, forearm 8 positions; It is 5 minutes that whole test process T.T. controls;
(6) after step (5) test terminates, experimenter takes off down coat, is spread out by down coat and places the 20-30min time; Down coat is spread out and places the 20-30min time to ensure that it gets back to original state, can not test below be had an impact.
(7) repeat step (4)-step (6) to test, every part down coat every experimenter surveys three times, and averages.
The present invention, by the objective data collection of human body to the local of down jackets and overall subjective feeling and the change of each spot temperature, draws a kind of method of testing of complete down coat thermal property.With different parts to the sequence of thermal property sensitivity as a reference, down coat is redesigned, finally draw the splendid and down coat of forward-looking design creativity of thermal property.
In order to better simulate clothing human body microclimate environment, be close to by temp probe on the down coat of body local, the temperature surveyed will closer to situation of truly wearing the clothes.
Human skin temperature's distribution is very uneven, so need to measure several representative local skin temperature, to obtain mean skin temperature.Measurement is counted more, and the mean value obtained is more accurate, but needs to consider the objective condition such as environment, active state simultaneously.Skin temperature of the present invention have chosen 8 tests of specific human body to changes in temperature sense differentiation, is followed successively by collare, omoplate, belly, low back, oxter, chest, large arm, forearm.
As preferably, in step (1), the temperature of thermostatic constant wet chamber controls to be 20 ± 2 DEG C, and humid control is 65 ± 4%, and wind speed is 0.1m/s.
As preferably, the pre-conditioned time is 4 hours.
As preferably, in step (2), experimenter wears requirement and is: cotton ammonia knitted fabric worn outward by underwear is the tight of fabric, and loose measure is 0.The thermal resistance value that mode also affects clothes worn by clothes, and the distance between clothes and skin is less, and the data measured are more accurate, and therefore adopting underwear to wear cotton ammonia knitted fabric outward in experimentation is the tight of fabric, and loose measure is 0.
As preferably, in step (4), the decibel value of light music controls to be 80.
As preferably, 7 grades of graduated scale that in step (5), the hotness scale of Subjective Thermal Feeling selects ASHRAE to recommend.
As preferably, in step (5), the thermal comfort of local locally refers to collare, omoplate, belly, low back, oxter, chest, large arm, forearm 8 positions.
A kind of equipment of the method for testing for down coat warmth retention property, comprise temperature sensor, power supply and computing machine, temperature sensor is connected with power supply and computing machine respectively, and temperature sensor has 8 temp probes corresponding with collare, omoplate, belly, low back, oxter, chest, large arm, forearm 8 positions.
The invention has the beneficial effects as follows: the temperature variation of what the method was vivid reflect human body different parts, go for the test under various low temperature or hot environment, test operation is simple, and measurement result is accurate, measurement efficiency is high, can provide reference and guidance for the design of down coat.
Accompanying drawing explanation
Fig. 1 is the model schematic at 8 test positions, in figure 1, oxter, and 2, large arm, 3, forearm, 4, chest, 5, belly, 6, omoplate, 7, low back, 8, collare.
Fig. 2 is the structural representation of test equipment of the present invention.
Fig. 3 is hotness scale classification figure.
Fig. 4 is test process time shaft.
Fig. 5 is each position time-temperature curve figure.
Embodiment
Below by specific embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
In the present invention, if not refer in particular to, the raw material adopted and equipment etc. all can be buied from market or this area is conventional.Method in following embodiment, if no special instructions, is the conventional method of this area.
Recruit 10 experimenters altogether to participate in the experiment, 5 men (age 24-27, height 173-178cm, body weight 62-68kg); 5 female (age 24-27, height 160-165cm, body weight 50-55kg).All experimenters are healthy, acardia medical history or other serious condition medical histories.Need normal diet before experimenter participates in the experiment and keep sufficient sleep, without strenuous exercise, and being emotionally stable.
Embodiment:
A method of testing for down coat warmth retention property, comprises the steps:
(1) down coat (testing sample) is put into thermostatic constant wet chamber's pre-conditioned 4 hours, the temperature of thermostatic constant wet chamber controls to be 20 ± 2 DEG C, and humid control is 65 ± 4%, and wind speed is 0.1m/s.
(2) experimenter (experimenter wears requirement: the tight (commercially available) that cotton ammonia knitted fabric is fabric worn outward by underwear, loose measure is 0) rest 30 minutes of first sitting quietly, to reduce the impact because environment change and exercise metabolism bring test result, period, experimenter explains laboratory operating procedures and experiment points for attention to experimenter.
(3) power supply of temperature sensor is received on direct supply, on 8 positions with medical transparent air-permeable adhesive tape (commercially available) 8 of temperature sensor temp probes being clung to successively down coat internal layer lining (as shown in Figure 1), 8 positions are collare, omoplate, belly, low back, oxter, chest, large arm, forearm (as shown in Figure 2) respectively, simultaneous temperature sensor is connected on computing machine, record the situation of change of each spot temperature, the test frequency of temperature sensor is 10HZ.
(4) experimenter keeps state of sitting quietly, play light music (decibel value 80), until computing machine records 8 temp probe data are shown as constant temperature and humidity room temperature, and keep stablizing 10 ± 1min (guarantee measurement result accuracy), then, experimenter has a drink the hot water of 100mL45 ± 1 DEG C;
(5) test starts, and record initial time, experimenter stands and puts on down coat, and the speed of wearing the clothes should be tried one's best gentle stable.After putting on down coat, experimenter's maintenance of sitting down is sat quietly state, and after putting on clothes, experimenter is in the state of sitting quietly and can simply reads, and whole process should keep being emotionally stable, and metabolic rate is 1met.Experimenter's every 1 minute record thermal environment parameter, require that the thermal comfort questionnaire that experimenter carries out whole and part (locally referring to collare, omoplate, belly, low back, oxter, chest, large arm, forearm 8 positions) is filled in simultaneously, record Subjective Thermal Feeling data, 7 grades of graduated scale (as shown in Figure 3) that hotness scale selects ASHRAE to recommend; Temperature sensor gathers the objective data at collare, omoplate, belly, low back, oxter, chest, large arm, forearm 8 positions; It is 5 minutes that whole test process T.T. controls; Test process time shaft as shown in Figure 4.
(6) after step (5) test terminates, experimenter takes off down coat, is spread out by down coat and places the 20-30min time.
(7) repeat step (4)-step (6) and complete second and third test.Every part down coat every experimenter surveys three times, and averages.
By the objective data collection (Fig. 5) of human body to the local of down jackets and overall subjective feeling (table 1) and the change of each spot temperature, draw a kind of method of testing and equipment of complete down coat thermal property.With different parts to the sequence of thermal property sensitivity as a reference, down coat is redesigned, finally draw the splendid and down coat of forward-looking design creativity of thermal property.
As shown in Figure 5, the correlation curve shape at eight positions is substantially identical, and in the short time, temperature passing is in time risen very fast, and when the time reaches certain value, temperature variation is slow, substantially reaches steady state value.Be combined by the hotness evaluation at collection analysis and human body 8 positions of objective data, down coat is instructed to design, the position stronger to cold perception increases warming measure, simultaneously under the prerequisite not affecting warmth retention property, loading is suitably reduced in the position more weak to cold perception, reaches the best compatibility of thermodynamic values of down coat.
Table 1 subjects subjective feeling evaluation hot in nature
The equipment of a kind of method of testing for down coat warmth retention property as shown in Figure 2, comprise temperature sensor 9, power supply 10 and computing machine 11, temperature sensor is connected with power supply and computing machine respectively, and temperature sensor has 8 temp probes 12 corresponding with collare, omoplate, belly, low back, oxter, chest, large arm, forearm 8 positions.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (8)
1. a method of testing for down coat warmth retention property, is characterized in that, comprises the steps:
(1) down coat is put into thermostatic constant wet chamber's pre-conditioned;
(2) first experimenter sits quietly rest 30 minutes, period, and experimenter explains laboratory operating procedures and experiment points for attention to experimenter;
(3) power supply of temperature sensor is received on direct supply, with medical transparent air-permeable adhesive tape, 8 of temperature sensor temp probes are clung on 8 positions of down coat internal layer lining successively, 8 positions are collare, omoplate, belly, low back, oxter, chest, large arm, forearm respectively, simultaneous temperature sensor is connected on computing machine, record the situation of change of each spot temperature, the test frequency of temperature sensor is 10HZ;
(4) experimenter keeps sitting quietly state, plays light music, until computing machine records 8 temp probe data are shown as constant temperature and humidity room temperature, and keeps stablizing 10 ± 1min, and then, experimenter has a drink the hot water of 100mL45 ± 1 DEG C;
(5) test starts, record initial time, experimenter stands and puts on down coat, after putting on down coat, experimenter's maintenance of sitting down is sat quietly state, experimenter's every 1 minute record thermal environment parameter, require that the thermal comfort questionnaire that experimenter carries out whole and part is filled in, record Subjective Thermal Feeling data simultaneously; Temperature sensor gathers the objective data at collare, omoplate, belly, low back, oxter, chest, large arm, forearm 8 positions; It is 5 minutes that whole test process T.T. controls;
(6) after step (5) test terminates, experimenter takes off down coat, is spread out by down coat and places the 20-30min time;
(7) repeat step (4)-step (6) to test, every part down coat every experimenter surveys three times, and averages.
2. method of testing according to claim 1, is characterized in that: in step (1), the temperature of thermostatic constant wet chamber controls to be 20 ± 2 DEG C, and humid control is 65 ± 4%, and wind speed is 0.1m/s.
3. method of testing according to claim 2, is characterized in that: the pre-conditioned time is 4 hours.
4. method of testing according to claim 1 and 2, is characterized in that: the middle experimenter of step (2) wears requirement and is: cotton ammonia knitted fabric worn outward by underwear is the tight of fabric, and loose measure is 0.
5. method of testing according to claim 1 and 2, is characterized in that: in step (4), the decibel value of light music controls to be 80.
6. method of testing according to claim 1 and 2, is characterized in that: 7 grades of graduated scale that in step (5), the hotness scale of Subjective Thermal Feeling selects ASHRAE to recommend.
7. method of testing according to claim 1 and 2, is characterized in that: in step (5), the thermal comfort of local locally refers to collare, omoplate, belly, low back, oxter, chest, large arm, forearm 8 positions.
8. the equipment for the method for testing of down coat warmth retention property described in claim 1, it is characterized in that: comprise temperature sensor, power supply and computing machine, temperature sensor is connected with power supply and computing machine respectively, and temperature sensor has 8 temp probes corresponding with collare, omoplate, belly, low back, oxter, chest, large arm, forearm 8 positions.
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Cited By (9)
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| CN106770448A (en) * | 2017-02-21 | 2017-05-31 | 烟台南山学院 | A kind of method of testing for simulating the textile changes in temperature sense that Human Physiology is felt |
| CN108732205A (en) * | 2018-05-23 | 2018-11-02 | 湖南工程学院 | A kind of warmth retention property evaluation system of wearing class haberdashery |
| CN110514694A (en) * | 2019-09-26 | 2019-11-29 | 王公华 | Textile material thermal insulation property test method and tester based on ambient temperature compensation |
| CN110596181A (en) * | 2019-09-26 | 2019-12-20 | 安徽高梵电子商务有限公司 | Down jacket thermal insulation performance detection acceptance method |
| CN112395723A (en) * | 2019-07-30 | 2021-02-23 | 波司登羽绒服装有限公司 | Prediction method for environment-adaptive temperature of down jacket |
| CN113155896A (en) * | 2021-03-31 | 2021-07-23 | 中国辐射防护研究院 | Method and device for testing thermal load of radioactive contamination ventilation protective clothing |
| CN113702425A (en) * | 2021-08-31 | 2021-11-26 | 安徽高梵电子商务有限公司 | Test equipment and method for warm keeping property of down garment |
| CN113970569A (en) * | 2020-07-24 | 2022-01-25 | 特步(中国)有限公司 | Ready-made garment heat retention performance testing and evaluating method |
| CN115078636A (en) * | 2022-06-01 | 2022-09-20 | 中纺协检验（泉州）技术服务有限公司 | Ready-made clothes heat preservation performance test method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106770448B (en) * | 2017-02-21 | 2019-06-07 | 烟台南山学院 | A kind of test method for the textile changes in temperature sense that simulation Human Physiology is felt |
| CN106770448A (en) * | 2017-02-21 | 2017-05-31 | 烟台南山学院 | A kind of method of testing for simulating the textile changes in temperature sense that Human Physiology is felt |
| CN108732205A (en) * | 2018-05-23 | 2018-11-02 | 湖南工程学院 | A kind of warmth retention property evaluation system of wearing class haberdashery |
| CN112395723A (en) * | 2019-07-30 | 2021-02-23 | 波司登羽绒服装有限公司 | Prediction method for environment-adaptive temperature of down jacket |
| CN112395723B (en) * | 2019-07-30 | 2024-03-29 | 波司登羽绒服装有限公司 | Prediction method for down jacket adapting to ambient temperature |
| CN110596181B (en) * | 2019-09-26 | 2022-04-05 | 安徽高梵电子商务有限公司 | Down jacket thermal insulation performance detection acceptance method |
| CN110596181A (en) * | 2019-09-26 | 2019-12-20 | 安徽高梵电子商务有限公司 | Down jacket thermal insulation performance detection acceptance method |
| CN110514694A (en) * | 2019-09-26 | 2019-11-29 | 王公华 | Textile material thermal insulation property test method and tester based on ambient temperature compensation |
| CN113970569A (en) * | 2020-07-24 | 2022-01-25 | 特步(中国)有限公司 | Ready-made garment heat retention performance testing and evaluating method |
| CN113155896A (en) * | 2021-03-31 | 2021-07-23 | 中国辐射防护研究院 | Method and device for testing thermal load of radioactive contamination ventilation protective clothing |
| CN113702425A (en) * | 2021-08-31 | 2021-11-26 | 安徽高梵电子商务有限公司 | Test equipment and method for warm keeping property of down garment |
| CN113702425B (en) * | 2021-08-31 | 2024-03-08 | 安徽高梵电子商务有限公司 | Equipment and method for testing warmth retention property of down garment |
| CN115078636A (en) * | 2022-06-01 | 2022-09-20 | 中纺协检验（泉州）技术服务有限公司 | Ready-made clothes heat preservation performance test method |
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