阅读说明：本技术 一种纺织品吸光发热性能的测试箱及测试方法 (Testing box and testing method for light absorption and heating performance of textile ) 是由 赵衡 姚馨馨 王潮霞 凡力华 殷允杰 于 2019-12-11 设计创作，主要内容包括：本发明提供了一种纺织品吸光发热性能的测试箱及测试方法,其能解决目前缺少能够合理评价纺织品在光照条件下发热性能的装置和试验方法的问题。测试箱包括前侧带有可开启的门的罩壳,罩壳透明,罩壳的后侧外壁上安装有电控箱,罩壳的内部底面上沿左右方向的中部设置有载物台,载物台上设有呈左右对称布置的载物区,载物台的正上方设置有氙灯,氙灯安装在能够上下伸缩的灯架上,灯架的下端固定在罩壳的内部底面上,罩壳的内部位于左侧壁和右侧壁上对称安装有红外测温枪,红外测温枪具有温度显示屏,两个红外测温枪的测头分别对准同侧的载物区；电控箱上设有电源插头、总电源开关、氙灯开关以及红外测温枪开关。(The invention provides a test box and a test method for light absorption and heating performances of textiles, which can solve the problem that a device and a test method capable of reasonably evaluating the heating performances of the textiles under the illumination condition are lacked at present. The test box comprises a cover shell with an openable door on the front side, the cover shell is transparent, an electric control box is arranged on the outer wall of the rear side of the cover shell, an object stage is arranged in the middle of the inner bottom surface of the cover shell along the left-right direction, object carrying areas which are symmetrically arranged left and right are arranged on the object stage, a xenon lamp is arranged right above the object stage and is arranged on a lamp holder which can stretch up and down, the lower end of the lamp holder is fixed on the inner bottom surface of the cover shell, infrared temperature measuring guns are symmetrically arranged on the left side wall and the right side wall in the cover shell and are provided with temperature display screens, and measuring heads of the two infrared temperature measuring guns are respectively aligned to the; the electric cabinet is provided with a power plug, a main power switch, a xenon lamp switch and an infrared temperature measuring gun switch.)

1. The utility model provides a test box of fabrics extinction heating performance which characterized in that: the infrared temperature measuring device comprises a cover shell with an openable door on the front side, wherein the cover shell is transparent, an electric control box is arranged on the outer wall of the rear side of the cover shell, an object stage is arranged in the middle of the inner bottom surface of the cover shell along the left-right direction, object carrying areas which are symmetrically arranged left and right are arranged on the object stage, a xenon lamp is arranged right above the object stage, the xenon lamp is arranged on a lamp holder which can stretch up and down, the lower end of the lamp holder is fixed on the inner bottom surface of the cover shell, infrared temperature measuring guns are symmetrically arranged on the left side wall and the right side wall in the cover shell, each infrared temperature measuring gun is provided with a temperature display screen, and measuring heads of the two infrared temperature measuring guns are respectively aligned to; and a power plug, a main power switch, a xenon lamp switch and an infrared temperature measuring gun switch are arranged on the electric cabinet.

2. The light absorption and heat generation test box for the textile according to claim 1, characterized in that: the object stage is arranged on the inner bottom surface of the housing in a sliding manner.

3. A test box for absorbing light and generating heat of textile according to claim 2, characterized in that: the inner bottom surface of the housing is provided with a slide rail arranged along the front-back direction, and the objective table is slidably arranged on the slide rail through a slide block.

4. The light absorption and heat generation test box for the textile according to claim 1, characterized in that: the object stage is made of a white PP plastic plate, and the cover is made of glass.

5. The light absorption and heat generation test box for the textile according to claim 1, characterized in that: the xenon lamp comprises a housing, a lamp holder and an outer tube, wherein the lamp holder comprises an inner tube and an outer tube, the lower end of the inner tube is fixed on the inner bottom surface of the housing, scales are marked on the outer side wall of the inner tube along the height direction, the initial value of the scales is equal to the length of the outer tube, the outer tube is sleeved on the inner tube in a clearance fit mode and is fixedly connected with the inner tube through a hoop, and the top of the outer tube is connected with the xenon lamp through a horizontal frame.

6. The light absorption and heat generation test box for the textile according to claim 1, characterized in that: the electric cabinet is provided with heat dissipation holes, a heat dissipation fan is arranged in the electric cabinet, and the heat dissipation fan is controlled to be started and stopped by the main power switch.

7. The light absorption and heat generation test box for the textile according to claim 1, characterized in that: and a measuring head of the infrared temperature measuring gun obliquely irradiates the object carrying area at an angle of 45 degrees.

8. A method for testing light absorption and heat generation performances of textiles is characterized by comprising the following steps: testing using the test box of any one of claims 1-7, comprising the steps of:

step 1, switching on the power plug, opening the main power switch, adjusting the height of the xenon lamp to enable the xenon lamp to be 30-40 cm away from the objective table, closing a door of the housing, and opening the xenon lamp switch to enable the xenon lamp to be preheated for a certain time;

step 2, opening a door of the housing, respectively placing a light absorption heating textile and a reference sample on the two object carrying areas, closing the door of the housing, opening a switch of the infrared temperature measuring guns, recording the temperatures of the two infrared temperature measuring guns at fixed intervals until the specified temperature rise time is reached, then closing the xenon lamp switch, recording the temperatures of the two infrared temperature measuring guns at fixed intervals until the specified temperature fall time is reached, and finishing the recording;

and 3, closing the switch of the infrared temperature measuring gun, taking out the light absorption heating textile and the reference sample after the temperature in the housing is reduced to the room temperature, closing the main power switch after the temperature of the electric cabinet is reduced to the safe temperature, and pulling off the power plug.

9. The method for testing the light absorption and heat generation performance of the textile according to claim 8, is characterized in that: the preheating time of the xenon lamp in the step 1 is 5-10 min.

10. The method for testing the light absorption and heat generation performance of the textile according to claim 8, is characterized in that: in the step 2, the temperature rise time and the temperature reduction time are both 10min, and the temperature is recorded every 1min in the temperature rise process and the temperature reduction process.

Technical Field

The invention relates to the field of textile performance testing, in particular to a testing box and a testing method for light absorption and heating performance of textiles.

Background

With the rapid development of the domestic and foreign fabric market and the continuous improvement of the consumption demand of people, the traditional fabric can not meet the diversified demand of consumers, and more functional fabrics are favored by the consumers. Among a plurality of functional fabrics, the light-absorbing heating fabric is gradually popular with people.

At present, a plurality of light-absorbing and heating textiles appear on the market, most of the light-absorbing and heating textiles have the characteristics of light weight and good heating and heat-insulating properties, but a heat evaluation system of the light-absorbing and heating textiles is yet to be perfected. At present, only the industry test standard of moisture absorption heating knitted underwear exists in China, but the test research on the light absorption heating performance is not complete enough, the test method standard mostly focuses on researching the heat conduction performance of the textile in a stable state, namely, the difficulty of energy dissipation under the action of the textile is examined, the main indexes include thermal resistance, thermal conductivity, a Crohn value and the like, and a reasonable evaluation cannot be made on the self heating or temperature rise of the textile under the illumination condition. Therefore, a device and a test method for detecting the light absorption and heat generation performance of the textile are urgently needed to be developed, the quality of fake and shoddy products is supervised, the legal rights and interests of consumers are protected, and the healthy and orderly development of the textile market is guided.

Disclosure of Invention

Aiming at the technical problem that a device and a test method capable of reasonably evaluating the heating performance of textiles under the illumination condition are lacked at present, the invention provides a test box and a test method for the light absorption heating performance of textiles, which can reasonably evaluate the heating performance of the textiles under the illumination condition.

The technical scheme is as follows:

the utility model provides a test box of fabrics extinction heating performance which characterized in that: the infrared temperature measuring device comprises a cover shell with an openable door on the front side, wherein the cover shell is transparent, an electric control box is arranged on the outer wall of the rear side of the cover shell, an object stage is arranged in the middle of the inner bottom surface of the cover shell along the left-right direction, object carrying areas which are symmetrically arranged left and right are arranged on the object stage, a xenon lamp is arranged right above the object stage, the xenon lamp is arranged on a lamp holder which can stretch up and down, the lower end of the lamp holder is fixed on the inner bottom surface of the cover shell, infrared temperature measuring guns are symmetrically arranged on the left side wall and the right side wall in the cover shell, each infrared temperature measuring gun is provided with a temperature display screen, and measuring heads of the two infrared temperature measuring guns are respectively aligned to; and a power plug, a main power switch, a xenon lamp switch and an infrared temperature measuring gun switch are arranged on the electric cabinet.

It is further characterized in that:

the object stage is arranged on the inner bottom surface of the housing in a sliding manner.

The inner bottom surface of the housing is provided with a slide rail arranged along the front-back direction, and the objective table is slidably arranged on the slide rail through a slide block.

The object stage is made of a white PP plastic plate, and the cover is made of glass.

The xenon lamp comprises a housing, a lamp holder and an outer tube, wherein the lamp holder comprises an inner tube and an outer tube, the lower end of the inner tube is fixed on the inner bottom surface of the housing, scales are marked on the outer side wall of the inner tube along the height direction, the initial value of the scales is equal to the length of the outer tube, the outer tube is sleeved on the inner tube in a clearance fit mode and is fixedly connected with the inner tube through a hoop, and the top of the outer tube is connected with the xenon lamp through a horizontal frame.

The electric cabinet is provided with heat dissipation holes, a heat dissipation fan is arranged in the electric cabinet, and the heat dissipation fan is controlled to be started and stopped by the main power switch.

And a measuring head of the infrared temperature measuring gun obliquely irradiates the object carrying area at an angle of 45 degrees.

A method for testing light absorption and heat generation performances of textiles is characterized by comprising the following steps: the test box is used for testing, and comprises the following steps:

step 1, switching on the power plug, opening the main power switch, adjusting the height of the xenon lamp to enable the xenon lamp to be 30-40 cm away from the objective table, closing a door of the housing, and opening the xenon lamp switch to enable the xenon lamp to be preheated for a certain time;

step 2, opening a door of the housing, respectively placing a light absorption heating textile and a reference sample on the two object carrying areas, closing the door of the housing, opening a switch of the infrared temperature measuring guns, recording the temperatures of the two infrared temperature measuring guns at fixed intervals until the specified temperature rise time is reached, then closing the xenon lamp switch, recording the temperatures of the two infrared temperature measuring guns at fixed intervals until the specified temperature fall time is reached, and finishing the recording;

and 3, closing the switch of the infrared temperature measuring gun, taking out the light absorption heating textile and the reference sample after the temperature in the housing is reduced to the room temperature, closing the main power switch after the temperature of the electric cabinet is reduced to the safe temperature, and pulling off the power plug.

It is further characterized in that:

the preheating time of the xenon lamp in the step 1 is 5-10 min.

In the step 2, the temperature rise time and the temperature reduction time are both 10min, and the temperature is recorded every 1min in the temperature rise process and the temperature reduction process.

The invention has the beneficial effects that:

1. the test box is provided with the transparent housing, the xenon lamp and the objective table are arranged in the housing, the height of the xenon lamp can be adjusted, the objective table is provided with the object carrying areas which are bilaterally symmetrical, and the left infrared temperature measuring gun and the right infrared temperature measuring gun are arranged in the housing, so that a light absorption heating textile and a comparison sample can be simultaneously placed on the objective table during testing, the xenon lamp is used for simultaneously irradiating two samples, and the infrared temperature measuring guns are used for simultaneously measuring the temperatures of the two samples;

2. according to the testing method, the xenon lamp is preheated for a certain time, so that the stability of the light source intensity is ensured, the light absorption heating performance and the heat preservation performance of the tested sample can be effectively evaluated by respectively recording the temperature of the tested sample in the temperature rising process and the temperature lowering process in the testing process, the temperature records in the temperature rising process and the temperature lowering process are recorded at the specified time interval, the testing method is standard, the comparison of repeated test results is facilitated, and the reasonable evaluation of the light absorption heating performance of the textile is realized.

Drawings

FIG. 1 is a front view of the test chamber of the present invention;

fig. 2 is a top view of fig. 1.

Reference numerals: 1-a door; 2-a housing; 3, an electric cabinet; 4-an object stage; 5-a slide rail; 6-xenon lamp; 7-infrared temperature measuring gun; 8-measuring head; 9-power plug; 10-main power switch; 11-xenon lamp switch; 12-infrared temperature measuring gun switch; 13-knob to adjust the intensity of xenon lamp light source; 14-an inner tube; 15-an outer tube; 16-a hoop; 17-a horizontal shelf; 18-a radiator fan; 19-door handle.

Detailed Description

Referring to fig. 1 to 2, the light absorption and heat generation performance test box for textiles of the invention comprises a housing 2 with an openable door 1 on the front side, the housing 2 is transparent, the housing 2 is preferably made of glass, an electric cabinet 3 is mounted on the outer wall of the rear side of the housing 2, the electric cabinet 3 can be made of steel plates, the thickness of the steel plates is 1.5mm, the thickness is thin, and heat dissipation is facilitated; an object stage 4 is arranged in the middle of the inner bottom surface of the housing 2 along the left-right direction, the object stage 4 can be arranged on the inner bottom surface of the housing 2 in a front-back sliding manner, preferably, a slide rail 5 arranged along the front-back direction is arranged on the inner bottom surface of the housing 2, and the object stage 4 is arranged on the slide rail 5 in a sliding manner through a slide block, so that the object stage 4 can slide back and forth; the object stage 4 is provided with object carrying areas which are arranged in a left-right symmetrical manner, in the embodiment, the object carrying areas are provided with a front pair and a rear pair, as shown in fig. 2, wherein a and b are a pair, and c and d are a pair, and a pair of samples can be placed in any selected pair during testing; a xenon lamp 6 is arranged right above the objective table 4, the xenon lamp 6 is arranged on a lamp holder which can stretch up and down, the lower end of the lamp holder is fixed on the bottom surface in the casing 2, and the inside of the casing 2 is positioned on the left side wall and the right side wallThe infrared temperature measuring guns 7 are symmetrically arranged on the upper part, the infrared temperature measuring guns 7 are provided with temperature display screens, measuring heads 8 of the two infrared temperature measuring guns 7 are respectively aligned to the object carrying areas on the same side, and the measuring heads 8 of the infrared temperature measuring guns 7 irradiate the object carrying areas in an inclined manner at 45 degrees; the electric control box 3 is provided with a power plug 9, a main power switch 10, a xenon lamp switch 11 and an infrared temperature measuring gun switch 12, and the electric control box 3 is also provided with a knob 13 for adjusting the intensity of a xenon lamp light source, so that the irradiation intensity of the xenon lamp can be adjusted according to the requirement; the objective table 4 is made of a white PP plastic plate, so that the heat conductivity is poor, and the temperature test of a sample cannot be influenced. In fig. 1, 19 is a door handle. In this embodiment, the housing is a rectangular housing with dimensions of 40 × 60cm³The electric cabinet is a rectangular box body with the size of 20X 55 cm³。

Referring to fig. 1 and 2, the lamp holder comprises an inner tube 14 and an outer tube 15, the lower end of the inner tube 14 is fixed on the bottom surface of the inner part of the housing 2, scales are marked on the outer side wall of the inner tube 14 along the height direction, the initial value of the scales is equal to the length of the outer tube, the outer tube 15 is sleeved on the inner tube 14 in a clearance fit manner and is fixedly connected with the inner tube 14 through a clamp 16, and the top of the outer tube 15 is connected with the xenon lamp 6 through a horizontal frame 17. So design, loosen the height that the clamp can easily adjust the xenon lamp, can accurately judge the height of xenon lamp according to the scale on the inner tube, adjust the back fastening clamp that targets in place can, very convenient.

Referring to fig. 2, the electric cabinet 3 is provided with heat dissipation holes (not shown), a heat dissipation fan 18 is installed inside the electric cabinet, and the heat dissipation fan 18 is controlled by the main power switch 10 to start and stop. So design, can make things convenient for the electric cabinet heat dissipation, avoid inside electrical part overheated and influence life.

Referring to fig. 1 to 2, the method for testing the light absorption and heat generation performance of the textile according to the invention, which uses the test box for testing, comprises the following steps:

step 1, switching on a power plug 9, opening a total power switch 10, adjusting the height of a xenon lamp 6 to enable the distance between the xenon lamp 6 and an objective table 4 to be 30-40 cm, closing a door 1 of a housing 2, and opening a xenon lamp switch 11 to enable the xenon lamp 6 to be preheated for 5-10 min;

step 2, opening a door 1 of a housing 2, respectively placing the light absorption heating textile and a comparison sample on a carrying object area a, b or c and d, adjusting the front and back positions of an object stage 4 to enable two infrared temperature measuring guns 7 to respectively align to the sample to be measured, and simultaneously finely adjusting the positions of the two samples to enable the distances between the two samples and the corresponding infrared temperature measuring guns 7 to be consistent; the light absorption heating textile and the control sample should be placed at room temperature for a period of time in advance to ensure the initial temperature of the light absorption heating textile and the control sample to be consistent; closing the door 1 of the housing 2, opening the infrared temperature measuring gun switch 12, recording the temperatures of the two infrared temperature measuring guns 7 every 1min until the temperature rise time reaches 10min, then closing the xenon lamp switch 11, recording the temperatures of the two infrared temperature measuring guns 7 every 1min until the temperature fall time reaches 10min, and ending the recording;

and 3, closing the infrared temperature measuring gun switch 12, taking out the light absorption heating textile and the reference sample after the temperature in the housing 2 is reduced to room temperature, continuing heat dissipation by the heat dissipation fan 18, closing the main power switch 10 after the temperature of the electric cabinet 3 is reduced to a safe temperature, and pulling off the power plug 9.

The test method of the present invention is described in detail below in one embodiment:

the light absorption heating textile is a polyester fabric printed with a heating coating, the reference sample is a common polyester fabric, the light absorption heating textile and the common polyester fabric are placed at room temperature for a period of time at the same time, the initial temperature of the light absorption heating textile and the initial temperature of the common polyester fabric are consistent, and then the following experiment is carried out.

Step 1, switching on a power plug, turning on a power switch, adjusting the height of a xenon lamp to enable the xenon lamp to be 35cm away from an objective table, closing a door of a housing, and turning on a xenon lamp switch to enable the xenon lamp to be preheated for 10 min;

step 2, opening a door of the housing, respectively placing the light absorption heating textile and the comparison sample on the object carrying areas a and b, adjusting the front and back positions of the object carrying table to enable the two infrared temperature measuring guns to respectively align to the detected sample, and simultaneously finely adjusting the positions of the two samples to enable the distances between the two samples and the corresponding infrared temperature measuring guns to be consistent; closing a door of the housing, opening an infrared temperature measuring gun switch, recording the temperatures of the two infrared temperature measuring guns every 1min until the temperature rise time reaches 10min, then closing a xenon lamp switch, recording the temperatures of the two infrared temperature measuring guns every 1min until the temperature fall time reaches 10min, and finishing the recording;

and 3, closing the switch of the infrared temperature measuring gun, taking out the light absorption heating textile and the control sample after the temperature in the housing is reduced to the room temperature, taking the new light absorption heating textile and the new control sample, repeating the experimental process, measuring once again, and recording the average value of the two measurement results into table 1.

TABLE 1 test of absorption and heating properties of polyester fabrics

The temperature of the light absorption heating textile is 10-12 ℃ higher than that of a control sample under the same temperature rise time, which indicates that the light absorption heating sample has good heating performance, but the temperature difference between the light absorption heating textile and the control sample is smaller under the same temperature fall time in the temperature fall process, which indicates that the heat preservation performance of the light absorption heating sample is general. According to the temperature difference of the light absorption heating textile measured twice, the test data of the test box and the test method are stable within 0.1 ℃, and the test box and the test method have good feasibility.