Textile material thermal insulation property test method and tester based on ambient temperature compensation

文档序号:1754168 发布日期:2019-11-29 浏览:18次 中文

阅读说明:本技术 基于环境温度补偿的纺织材料保温性能测试方法及测试仪 (Textile material thermal insulation property test method and tester based on ambient temperature compensation ) 是由 王公华 于 2019-09-26 设计创作,主要内容包括:本发明公开了基于环境温度补偿的纺织材料保温性能测试方法及测试仪,方法包括:步骤一,测试标准克罗值材料在不同环境温度下相应取样热阻两侧的实时温差值并建立关联曲线图,多个关联曲线图复合形成复合曲线图;步骤二,待测纺织材料在未知温度下分别测试其无风状态下相应取样热阻两侧的温差值和有风状态下相应取样热阻两侧的温差值;步骤三,通过标准克罗值材料获得环境温度,标记为特定温度;步骤四,依据特定温度对复合曲线图进行图像处理形成特定温度曲线图,获取待测纺织材料的无风状态克罗值和有风状态克罗值;步骤四,上述数据处理后获取待测纺织材料的抗风系数。无风状态克罗值和抗风系数直接体现出待测纺织材料的保温性能。(The invention discloses textile material thermal insulation property test methods and tester based on ambient temperature compensation, method includes: step 1, testing standard clo value material accordingly samples the real-time temperature difference of thermal resistance two sides at different ambient temperatures and establishes correlation graph, and multiple correlation graphs are compounded to form composite curve chart;Step 2, textile material to be measured test the temperature difference for accordingly sampling thermal resistance two sides under its windless condition respectively under unknown temperatures and have the temperature difference for accordingly sampling thermal resistance two sides under wind state;Step 3 obtains environment temperature by standard clo value material, is labeled as specific temperature;Step 4 carries out image procossing to composite curve chart according to specific temperature and forms specific temperature curve graph, obtains the windless condition clo value of textile material to be measured and has wind state clo value;Step 4 obtains the wind resistance coefficient of textile material to be measured after above-mentioned data processing.Windless condition clo value and wind resistance coefficient directly embody the thermal insulation property of textile material to be measured.)

1. the textile material thermal insulation property test method based on ambient temperature compensation, it is characterised in that: include the following steps,

Step 1 establishes base image: testing standard clo value material (13) accordingly sampling thermal resistance (5) at different ambient temperatures The real-time temperature difference of two sides simultaneously establishes correlation graph, the correlation graph of various criterion clo value material (13) is carried out compound To form composite curve chart;

Step 2, tests textile material to be measured (12): testing textile material to be measured (12) at a temperature of circumstances not known respectively calm In the case of accordingly sample the temperature difference of thermal resistance (5) two sides and have the temperature difference for accordingly sampling thermal resistance (5) two sides in the case of wind;

Step 3, temperature-compensating: at a temperature of with same circumstances not known in step 2, testing standard clo value material (13) The temperature difference of thermal resistance (5) two sides is accordingly sampled under windless condition and brings in composite curve chart the reality for obtaining circumstances not known temperature into Border temperature value is labeled as specific temperature;

Curve image processing: step 4 carries out image procossing to composite curve chart according to specific temperature to form specific temperature song Line chart by the temperature difference for accordingly sampling thermal resistance (5) two sides under the windless condition of textile material to be measured (12) and has phase under wind state The temperature difference that thermal resistance (5) two sides should be sampled is brought into respectively in specific temperature curve graph, obtains textile material to be measured (12) respectively Windless condition clo value and there is wind state clo value;

Step 5, wind resistance coefficient solve: to the windless condition clo value of textile material to be measured (12) and have wind state clo value into Row data processing is to obtain the wind resistance coefficient of textile material to be measured (12).

2. the textile material thermal insulation property test method according to claim 1 based on ambient temperature compensation, feature exist In: invariance curve establishes mode in the step 1 are as follows:

It chooses specified value clo value material (13) to place it in above the netted temperature sensor in standard sample end (7), by metal When hot plate (2) temperature rises to set temperature, the real-time temperature difference of corresponding sampling thermal resistance (5) two sides is obtained;

The environment temperature of specified value clo value material (13) is adjusted, environment temperature is warm to metal hot plate (2) is reached since 0 DEG C Degree setting value terminates, and spacing value is 10 DEG C (or 5 DEG C), and the corresponding real-time temperature difference of each environment temperature point is read and remembered Record numerical value;

Plane coordinate system is established, is to the left positive direction using environment temperature as X-axis, is upwards positive direction using temperature difference as Y-axis, In Plane coordinate system internal standard counter value and according to discrete numerical fitting curve.

3. the textile material thermal insulation property test method according to claim 2 based on ambient temperature compensation, feature exist In: composite curve establishes mode in the step 1 are as follows:

Replacement standard clo value material (13), standard clo value material (13) is since 0 clo value to not less than 4 clo value knots Beam, spacing value are 1 clo value (or 0.5 clo value), establish invariance curve to each standard clo value;

The invariance curve of each standard clo value is recorded in same plane coordinate system.

4. the textile material thermal insulation property test method according to claim 1 based on ambient temperature compensation, feature exist In: the air velocity having under wind state in the step 2 is greater than 10cm/s and wind scale is adjustable, the sky under windless condition Gas velocity is no more than 10cm/s.

5. the textile material thermal insulation property test method according to claim 3 based on ambient temperature compensation, feature exist In: the mode of image procossing in the step 4 are as follows:

Choose specific temperature (actual conditions are based on ambient temperature) and by composite curve chart to corresponding under the specific temperature Temperature difference and clo value are read and record numerical value;

Plane coordinate system is established, is to the right positive direction using clo value as X-axis, is upwards positive direction using temperature difference as Y-axis, flat Areal coordinate system internal standard counter value and according to discrete numerical fitting curve;

Obtain specific temperature curve graph.

6. the textile material thermal insulation property test method according to claim 1 based on ambient temperature compensation, feature exist In: the mode of data processing in the step 5 are as follows:

There is wind state clo value to be measured divided by the windless condition survey gram of textile material to be measured (12) textile material to be measured (12) Sieve value is to obtain the wind resistance coefficient of textile material to be measured (12).

7. the textile material tester for testing thermal insulation performance based on ambient temperature compensation, it is characterised in that: including upper surface in opening knot The back box (1) of structure, the back box (1) are internally provided in the middle part of metal hot plate (2) and the metal hot plate (2) and are embedded with heater (3), metal hot plate (2) side is enclosed with thermal insulation material (4), and the both ends of the metal hot plate (2) extend respectively to described The opening of back box (1) and its both ends are provided with sampling thermal resistance (5);

The surface of two samplings thermal resistance (5) is respectively arranged with the netted temperature sensor in end to be measured (6) and standard sample end net Shape temperature sensor (7), the metal hot plate (2) is interior to be provided with center temperature sensor (8), and back box (1) top is in institute It states and is provided with air-flow speed regulation device right above the netted temperature sensor in end to be measured (6);

It is mounted with textile material to be measured (12) on the netted temperature sensor in end to be measured (6), the netted temperature in standard sample end Standard clo value material (13) is mounted on degree sensor (7).

8. the textile material tester for testing thermal insulation performance according to claim 7 based on ambient temperature compensation, it is characterised in that: The blowing equipment includes the elevating lever (9) for being fixedly arranged on the back box (1) outer wall, and the elevating lever (9) is far from the back box (1) One end be provided with fan (10) right above the netted temperature sensor in end (6) to be measured.

9. the textile material tester for testing thermal insulation performance according to claim 8 based on ambient temperature compensation, it is characterised in that: On the back box (1) in the netted temperature sensor in end (6) to be measured and the netted temperature sensor in standard sample end (7) it Between be provided with partition (11).

10. the textile material tester for testing thermal insulation performance according to claim 7 based on ambient temperature compensation, feature exist It is passed in being provided in: the back box (1) with the netted temperature sensor in end (6) to be measured, the netted temperature in the standard sample end The processing module that sensor (7) is connected with the center temperature sensor (8) signal;

The netted temperature sensor in end to be measured (6) the record temperature marker is P35, the netted temperature sensor in standard sample end (7) record temperature marker is P36, and center temperature sensor (8) the record temperature marker is P37.

Technical field

The present invention relates to textile material thermal insulation property the field of test technology, more particularly to the weaving based on ambient temperature compensation Material thermal insulation property test method and tester.

Background technique

Existing clothing enterprise in publicity only using the fundamental characteristics of clothes as commodity attraction, or in the beauty of clothes Publicized emphatically in the property seen, and do not pay attention to that comfort is this to cater to the practical demand characteristics of consumer, such case be on the one hand by It is not easy quantization and measures in the variable that comfort is related to is more, therefore clothing enterprise is inconvenient to be detected, and is on the other hand easypro This characteristic of adaptive fails to be popularized well, although therefore can distinguish the quality of commodity in many consumers experience, But fail to pay attention to this item property in publicity commodity early period.

Clo value is the heat preservation and insulation for describing clothes or textile material, can be very straight by clo value size The comfort that ground shows clothes is seen, but the examination criteria of clo value is more harsh, definition is, relatively wet at 21 DEG C of room temperature Degree is no more than 50%, and air velocity is no more than the environment of 10cm/s (the indoor normal airflow speed for being equivalent to ventilation equipment) In, the sit quietly insulation value of worn clothes when keeping comfort conditions of a people is 1 Crow.Since the variable being related to is more, including object The various factors such as reason, physiology, psychology, therefore need tightly to control multinomial variable in the detection process and right Detection environment has more harsh requirement.

But requirement of the existing detection method to environment, temperature, humidity is all higher, and due to needing in detection process It keeps stable for a long time, therefore can only be detected in laboratory environment, be not suitable for business suit manufacturer and shop, because This inconvenient clothing factory and shop are shown the characteristic of product;Secondly, common Thermo-insulated clothes can reach warming Purpose, but this is the effect detected under the testing conditions in laboratory, and this effect is only limitted in steady temperature, humidity In the case of, when clothes are worn with consumer, under the interference of extraneous wind-force, the warming effect difference of various clothes is larger. Portion of garment such as sweater, warming effect is preferable, and protection effect is poor, the external world have the interference of wind under, warming effect reduce, this with The effect of publicity difference in producer and shop is larger, and the prior art detects this class index also without more easily mode, also sternly The judgement of producer and consumer to textile material thermal insulation property is affected again.

Summary of the invention

The purpose of the present invention one is to provide the textile material thermal insulation property test method based on ambient temperature compensation, and introduces Specific blowing device is used for quickly detecting the practical thermal insulation property (including wind resistance) of textile material to be measured.

The technical scheme is that: the textile material thermal insulation property based on ambient temperature compensation Test method includes the following steps that step 1 establishes base image: testing standard clo value material is at different ambient temperatures Corresponding sampling thermal resistance two sides temperature difference and establish correlation graph, by the correlation graph of various criterion clo value material into Row is compound to form composite curve chart;Step 2 tests textile material to be measured: testing weaving to be measured at a temperature of circumstances not known respectively The temperature of the temperature difference of corresponding sampling thermal resistance two sides of the material in calm situation and corresponding sampling thermal resistance two sides when having wind Difference;Step 3, temperature-compensating: at a temperature of with same circumstances not known in step 2, the nothing of testing standard clo value material The temperature difference of thermal resistance two sides is accordingly sampled under wind state and brings in composite curve chart the practical temperature for obtaining circumstances not known temperature into Angle value is labeled as specific temperature;Curve image processing: step 4 carries out image procossing to composite curve chart according to specific temperature To form specific temperature curve graph, by the temperature difference for accordingly sampling thermal resistance two sides under the windless condition of textile material to be measured and there is wind The temperature difference that thermal resistance two sides are accordingly sampled under state is brought into respectively obtains textile material to be measured respectively in specific temperature curve graph Windless condition clo value and there is wind state clo value;Step 5, wind resistance coefficient solve: to the windless condition gram of textile material to be measured Sieve value and there is wind state clo value to carry out data processing to obtain the wind resistance coefficient of textile material to be measured.

By using above-mentioned technical proposal, the first real-time temperature difference to various criterion clo value material at different ambient temperatures Value carries out composite curve chart foundation, to obtain standard clo value material-ambient temperature-temperature difference relational graph, by weaving to be measured The temperature difference of thermal resistance two sides is accordingly sampled under the windless condition that material detects under windless condition and has wind state-detection to arrive There is the temperature difference for accordingly sampling thermal resistance two sides under wind state to bring into specific temperature curve graph and obtains the nothing of textile material to be measured Wind state clo value and there is wind state clo value, wherein the temperature value of specific temperature can be from the calm shape of standard clo value material The temperature difference that thermal resistance two sides are accordingly sampled under state obtains, final to solve wind resistance coefficient.The windless condition clo value of textile material and Wind resistance coefficient can directly embody the actual thermal insulation property of textile material to be measured, consequently facilitating producer and consumer are to textile material Warmth retention property is intuitively recognized, while under the premise of only measuring temperature difference, can quickly be acquired by temperature-compensating mechanism specific Temperature finally quickly knows the windless condition clo value and wind resistance coefficient of the textile material of textile material to be measured.

Be further arranged to: invariance curve establishes mode in the step 1 are as follows: chooses specified value clo value material It places it in above the netted temperature sensor in standard sample end, when metal hot plate temperature is risen to set temperature, acquisition is accordingly taken The real-time temperature difference of sample thermal resistance two sides;The environment temperature of specified value clo value material is adjusted, environment temperature is since 0 DEG C to reaching Terminate to metal hot plate temperature setting value, spacing value is 10 DEG C (or 5 DEG C), real-time temperature difference corresponding to each environment temperature point It is read and records numerical value;Plane coordinate system is established, is to the left positive direction using environment temperature as X-axis, using temperature difference as Y-axis, It is upwards positive direction, in plane coordinate system internal standard counter value and according to discrete numerical fitting curve.

By using above-mentioned technical proposal, the purpose of establishing invariance curve is to establish standard gram before textile material to be measured test Association between sieve value-temperature difference-environment temperature, to form the independent invariance curve of each known standard clo value material.

Be further arranged to: composite curve establishes mode in the step 1 are as follows: replacement standard clo value material, standard Clo value material terminates since 0 clo value to not less than 4 clo values, and spacing value is 1 clo value (or 0.5 clo value), to every A standard clo value establishes invariance curve;The invariance curve of each standard clo value is recorded in same plane coordinate system.

By using above-mentioned technical proposal, the invariance curve statistics of all standard clo value materials is entered into approximately the same plane In coordinate system, the association between clo value-temperature difference-environment temperature is established, weaving material to be measured can be found out by composite curve chart The clo value of material.

Be further arranged to: the air velocity having under wind state in the step 2 is greater than 10cm/s and wind scale can It adjusts, the air velocity under windless condition is no more than 10cm/s.

By using above-mentioned technical proposal, wind scale can rough segmentation be calm, weak wind and high wind state, in different wind speed Under the premise of, wind resistance coefficient can also occur accordingly to change, thus different textile material the test premise of thermal insulation property should be same Under one wind speed environments.

It is further arranged to: the mode of image procossing in the step 4 are as follows: choosing specific temperature, (actual conditions are with room temperature Based on temperature) and corresponding temperature difference under the specific temperature and clo value are read by composite curve chart and record number Value;Plane coordinate system is established, is to the right positive direction using clo value as X-axis, is upwards positive direction using temperature difference as Y-axis, flat Areal coordinate system internal standard counter value and according to discrete numerical fitting curve;Obtain specific temperature curve graph.

By using above-mentioned technical proposal, when quickly testing textile material, specific temperature is generally room temperature, certain wind speed one As based on the wind speed of 4m/s or so, under the premise of specific temperature and certain wind speed, obtain specific temperature curve graph, to survey Windless condition surveys clo value and has wind state clo value out.

It is further arranged to: the mode of data processing in the step 5 are as follows: there is wind state to wait for textile material to be measured It surveys clo value and surveys clo value divided by the windless condition of textile material to be measured to obtain the wind resistance coefficient of textile material to be measured.

The purpose of the present invention two is to provide the textile material tester for testing thermal insulation performance based on ambient temperature compensation, has operation The strong feature of convenient, rapid survey, intuitive.

Textile material tester for testing thermal insulation performance based on ambient temperature compensation is in the back box of hatch frame including upper surface, The back box, which is internally provided in the middle part of metal hot plate and the metal hot plate, is embedded with heater, metal hot plate side package There is thermal insulation material, the both ends of the metal hot plate extend respectively to the opening of the back box and its both ends is provided with sampling heat Resistance;The surface of two sampling thermal resistances is respectively arranged with the netted temperature of the netted temperature sensor in end to be measured and standard sample end and passes Sensor is provided with center temperature sensor in the metal hot plate, and the back box top is in the netted temperature sensing in end to be measured Air-flow speed regulation device is provided with right above device;It is mounted with textile material to be measured on the netted temperature sensor in end to be measured, it is described Standard clo value material is mounted on the netted temperature sensor in standard sample end.

By using above-mentioned technical proposal, the temperature of metal hot plate reaches setting value after heater starting, by weaving to be measured Material and standard clo value material are individually positioned in the netted temperature sensor of the netted temperature sensor in end to be measured and standard sample end On, thermal resistance temperature difference value is accordingly sampled by reading standard sample end, brings into and obtains specific temperature in composite curve chart.In nothing Under wind state, reads end to be measured and accordingly sample the temperature difference of thermal resistance two sides and have the temperature difference for accordingly sampling thermal resistance two sides under wind state Value by the temperature difference for accordingly sampling thermal resistance two sides under windless condition and has the temperature difference band that thermal resistance two sides are accordingly sampled under wind state Entering in specific temperature curve graph windless condition clo value and has wind state clo value to obtain, the final certain wind speed and specific of obtaining At a temperature of wind resistance coefficient.

Be further arranged to: the blowing equipment includes the elevating lever for being fixedly arranged on the back box outer wall, and the elevating lever is remote One end from the back box is provided with fan right above the netted temperature sensor in end to be measured.

By using above-mentioned technical proposal, elevating lever simulates the change of wind speed by adjusting fan height.

It is further arranged to: netted in the netted temperature sensor in end to be measured and the standard sample end in the back box Partition is movably set between temperature sensor.

By using above-mentioned technical proposal, textile material to be measured and standard thermal resistance are separated by partition, avoid testing Interfering with each other in journey.

It is further arranged to: being provided in the back box and the netted temperature sensor in the end to be measured, the standard sample The processing module for holding netted temperature sensor to connect with the center temperature sensor signal;The netted temperature sensing in end to be measured It is P35 that device, which records temperature marker, and the netted temperature sensor record temperature marker in standard sample end is P36, the center temperature Spending sensor record temperature marker is P37.

By using above-mentioned technical proposal, processing module calculates by record P35, P36 and P37 and exports end net to be measured The temperature difference at the netted temperature sensor of temperature difference and standard sample end at shape temperature sensor.

In conclusion advantageous effects of the invention are as follows:

Standard clo value material-ambient temperature-temperature difference composite curve chart is established, and obtains the specific temperature under specific temperature Curve graph, by textile material to be measured under windless condition it is actually detected to windless condition accordingly sample the temperature difference of thermal resistance two sides And have wind state it is actually detected to there is the temperature difference for accordingly sampling thermal resistance two sides under wind state to bring into specific temperature curve graph And obtain windless condition clo value and have wind state clo value, and then obtain wind resistance coefficient, pass through the clo value under windless condition The actual thermal insulation property of textile material to be measured can be directly embodied with wind resistance coefficient.

Detailed description of the invention

Fig. 1 is the correlation graph of 0 clo value material in embodiment one;

Fig. 2 is the correlation graph of 1 clo value material in embodiment one;

Fig. 3 is the correlation graph of 2 clo value materials in embodiment one;

Fig. 4 is the correlation graph of 3 clo value materials in embodiment one;

Fig. 5 is the correlation graph of 4 clo value materials in embodiment one;

Fig. 6 is composite curve chart in embodiment one;

Fig. 7 is image procossing schematic diagram in embodiment one;

Fig. 8 is specific temperature curve graph in embodiment one;

Fig. 9 is the cross-sectional view of tester in embodiment two.

Appended drawing reference: 1, back box;2, metal hot plate;3, heater;4, thermal insulation material;5, thermal resistance is sampled;6, end net to be measured Shape temperature sensor;7, the netted temperature sensor in standard sample end;8, center temperature sensor;9, elevating lever;10, fan;11, Partition;12, textile material to be measured;13, standard clo value material.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description.

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