CN106841289B - Device and method for detecting heat insulation performance of sun-shading product by utilizing sunlight - Google Patents
Device and method for detecting heat insulation performance of sun-shading product by utilizing sunlight Download PDFInfo
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Abstract
The invention discloses a device for detecting heat insulation performance of a sun-shading product by utilizing sunlight, which comprises a reference cold chamber and a comparison cold chamber which are mutually separated and are respectively arranged in a protection chamber, wherein temperature acquisition sensors are respectively arranged in the two cold chambers, a heat flow plate is uniformly stuck in a standard white glass with the thickness of 3mm, the size of a hole is larger, and the sun-shading product with the actual size can be tested. These temperature acquisition sensors and heat flow plates are connected to a data acquisition analysis system by data lines. The device and the method of the invention have the advantages that the data analysis system is a full-automatic system, and unmanned operation from the beginning to the end of detection is realized.
Description
Technical Field
The invention relates to the field of building sunshade product detection, in particular to a device and a method for detecting the heat insulation performance of a sun-shading product by utilizing sunlight.
Background
In order to relieve the energy shortage condition and reduce the threat of climate change, the country pays great attention to building energy conservation. The building sun-shading device has important effects on saving building air conditioner and heating energy, reducing peak electricity consumption in summer and improving living comfort. The building sunshade aims at saving energy and improving thermal comfort and visual comfort. Public building and residential building energy-saving design standards all put clear demands on building sunshading. The construction method is characterized in that the national institute publishes "civil building energy conservation regulations" and "public institution energy conservation regulations" to clearly indicate that the building external sunshade facilities are required, the related departments of Jiangsu province and Nanjing city in summer, winter and cold areas react very rapidly, the province construction hall and the city wall change office sequentially issue the implementation files about the external sunshade, and the design of the building external sunshade is forced to be required on the construction drawing. The east and west outward windows of the residential building in the "energy-saving design standard of residential building in summer, winter and warm area" JGJ75-2012 mandatory rule 4.0.10 "must take building external sun-shading measures, and the building external sun-shading coefficient SD should not be greater than 0.8. Because most sun-shading enterprises in China mainly produce curtains in early stage, the main functions of the sun-shading products are used for indoor decoration and privacy protection, after the sun-shading products are widely applied as the intrinsic functions of main facilities for regulating sunlight and solar heat, the sun-shading products have great differences from the prior art in performance and quality control, and national establishment and publication related performance detection standards are required, wherein the thermal insulation performance detection standard of the sun-shading products used for the sun-shading functions is one of key standards for evaluating the application effect of the sun-shading products in energy-saving buildings, and the sun-shading products have great significance for wide application of the building sun-shading products.
It is therefore highly desirable to provide a reliable detection device and method for the thermal insulation properties of sun shading products.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art and provides a device for detecting the heat insulation performance of a sun-shading product by utilizing sunlight.
Another object of the present invention is to provide a method for detecting the thermal insulation performance of sun-shading products using sunlight.
The aim of the invention is achieved by the following technical scheme:
a device for detecting heat insulation performance of sun-shading products by utilizing sunlight comprises a reference cold chamber for measuring reference heat, a comparison cold chamber for measuring heat of sun-shading products to be detected, and a data analysis system, wherein
The standard cold room is provided with a standard cold room test window hole, the standard cold room test window hole faces southwest, and a first standard flat white glass is installed in the standard cold room test window hole; l heat flow sensors are arranged on a diagonal line on the inner side of the first standard flat white glass, L is more than or equal to 3, and the heat flow sensors are connected with a data analysis system; an upper layer of temperature sensor and a lower layer of temperature sensor are also arranged in the reference cold room, each layer of temperature sensor is positioned on the same horizontal plane, the number of the temperature sensors is M, M is more than or equal to 4, and the temperature sensors are used for measuring real-time temperature in the room and transmitting the real-time temperature to a data analysis system; meanwhile, the reference cold room controls the average temperature in the room to be 26+/-0.5 ℃ through a first temperature control device; a solar radiometer is arranged outside the reference cold room, is arranged around the first standard flat white glass and is connected with a data analysis system;
the comparison cold room is provided with a comparison cold room test window hole, the comparison cold room test window hole faces southwest, and a second standard flat white glass is installed in the comparison cold room test window hole; l heat flow sensors are arranged on a diagonal line on the inner side of the second standard flat white glass, L is more than or equal to 3, and the heat flow sensors are connected with a data analysis system; meanwhile, a sunshade product to be detected is arranged in the test window hole of the comparative cooling chamber; an upper layer of temperature sensor and a lower layer of temperature sensor are arranged in the indoor of the comparison cooling chamber, each layer of temperature sensor is positioned on the same horizontal plane, the number of the temperature sensors is M, M is more than or equal to 4, and the temperature sensors are used for measuring the real-time temperature in the indoor and transmitting the real-time temperature to a data analysis system; meanwhile, the average temperature in the comparison cooling chamber is controlled to be 26+/-0.5 ℃ through a second temperature control device;
the data analysis system respectively controls the first temperature control device and the second temperature control device to work in real time through a PID technology, further respectively realizes automatic control and adjustment of air temperature of the reference cold chamber and the comparison cold chamber, optimizes PID parameters, and enables the temperature of the reference cold chamber and the comparison cold chamber to accurately reach the target temperature, thereby solving the problems of large temperature fluctuation and slow adjustment; monitoring software of independent intellectual property rights is utilized, and parameters such as solar radiation, temperature, heat flow and the like are monitored in real time; comparing the parameter information of solar radiation, temperature and heat flow collected by the reference cold chamber with the parameter information of temperature and heat flow collected by the comparison cold chamber, and directly calculating the sunshade coefficient of the sunshade product to be detected through a program set by system software; in addition, the PID technology is adopted to judge the trend of the temperature fluctuation of the reference cold chamber and the comparison cold chamber, measures are taken in advance to control the temperatures of the reference cold chamber and the comparison cold chamber, the detection time is greatly shortened, and the detection efficiency is improved.
The device for detecting the heat insulation performance of the sun-shading product by utilizing sunlight further comprises a protection chamber, N temperature sensors are arranged in the protection chamber, N is more than or equal to 2, and the temperature sensors are used for measuring real-time temperature in the chamber and transmitting the real-time temperature to a data analysis system; the protection chamber is arranged at the outer sides of the reference cold chamber and the comparison cold chamber, and the reference cold chamber is provided with the reference cold chamber test window hole, and the wall bodies of the three sides are arranged in the protection chamber; the wall bodies of the three sides except one side of the test window hole of the comparison cold room are arranged in the protection room. The arrangement of the protection chamber can form an air protection layer around the reference cold chamber and the comparison cold chamber, so that the reference cold chamber and the comparison cold chamber can reduce heat exchange with the outside, test data obtained by a detection test are more accurate, the plane size of the protection chamber is 8000mm multiplied by 4500mm, the reference cold chamber and the comparison cold chamber are arranged in the protection chamber, and the air temperature control of the protection chamber is similar or equal to that of the cold chamber, so that the environment stability of the cold chamber is maintained.
The wall body of the protection room adopts aerated concrete blocks.
The sun-shading product to be detected is an indoor sun-shading product or an outdoor sun-shading product, wherein the indoor sun-shading product is arranged on the inner side of the second standard flat white glass, and the outdoor sun-shading product is arranged on the outer side of the second standard flat white glass.
The temperature control device comprises an air conditioner and an adjustable power heating pipe.
The standard cooling chamber the wall bodies of the comparison cold chambers are sandwich heat-insulating steel plates; the inner walls of the wall bodies of the reference cooling chamber and the comparison cooling chamber are coated with a layer of black paint, so that the indoor blackness is more than 0.85.
The temperature sensor is PT100 type thermal resistor, and the using temperature range is-200-600 ℃; the heat flow sensor outputs a 0-24 mA direct current signal, and the heat flow measuring range is as follows: 0-2000W/square meter; radiation measurement range of the solar radiometer: 0-2000W/square meter.
Another object of the invention is achieved by the following technical scheme:
a method for detecting the heat insulation performance of a sun-shading product by utilizing sunlight, which comprises the following steps in sequence:
s1, performing a test in sunny weather, and starting the test when a solar radiometer arranged outside a reference room displays that a solar radiation value reaches a preset value; selecting a sunshade product conforming to the size of a test window hole of a comparison cold room, hanging the sunshade product at the corresponding position of the test window hole of the comparison cold room, and starting a temperature control device of a protection room, a reference cold room and the comparison cold room, wherein the temperature control device comprises an air conditioner and an adjustable power heating pipe;
s2, setting the air conditioning temperature of the protection room to 26 ℃; setting the air-conditioning temperatures of the reference cold room and the comparison cold room to be the lowest value; starting an adjustable power heating pipe of a reference cold chamber and a comparison cold chamber, and setting the temperature to 26 ℃; starting a data analysis system, running data acquisition analysis software, and when the indoor air temperatures of the protection room, the reference cold room and the comparison cold room are stable within the range of 26+/-0.5 ℃ for 30 minutes, starting to acquire data, acquiring the data once every 5 minutes, and after acquiring the data for 4 times, calculating the sunshade coefficient of the sunshade product by the data acquisition analysis software.
According to the heat balance principle, the heat passing through the reference cold chamber and the comparison cold chamber can be divided into the solar heat radiation amount and the heat transfer amount which enter through the window glass and the heat transfer amount passing through the wall body, the ground and the ceiling of the reference cold chamber and the comparison cold chamber, and the heat transfer amount passing through the wall body, the ground and the ceiling of the reference cold chamber and the comparison cold chamber is negligible when the temperature is stable at 26 ℃, so the heat passing through the reference cold chamber and the comparison cold chamber is only the solar heat radiation amount and the heat transfer amount which enter through the window glass.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the data analysis system is a full-automatic system, and unmanned operation from the beginning to the end of detection is realized. The staff can all get into the cold room of benchmark and contrast, also can test to the sunshade product in the room. And the PID technology is adopted to judge the fluctuation trend of the temperature, and measures are taken in advance to control the temperature, so that the detection time is greatly shortened, and the detection efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a device for detecting heat insulation performance of a sun-shading product by utilizing sunlight; the device comprises a temperature sensor-1, a heat flow sensor-2, a first standard flat white glass-3, a second standard flat white glass-4, an air conditioner-5 and an adjustable power heating tube-6.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but embodiments of the present invention are not limited thereto.
As shown in FIG. 1, an apparatus for detecting heat insulation performance of a sun-shading product using sunlight comprises
(1) Reference cold room
The plane size of the reference cold chamber is 3000mm multiplied by 3000mm, the reference cold chamber is used for testing the reference heat, and the enclosure structure is a sandwich heat-insulating steel plate with the thickness of 100 mm. The temperature of the air in the cold room is set to be (26+/-0.5) DEG C, and the amplitude of the temperature fluctuation is not more than 0.1 ℃. The opening size of the cold room test window hole is 1500mm multiplied by 1500mm, the size can meet the requirements of detection standards of most sunshade products, the window hole faces southwest, 3mm standard flat white glass is arranged, and the influence of the glass on test results can be furthest reduced by the 3mm standard flat white glass. The blackness of the inner surface of the cold room is more than 0.85, and the influence of secondary reflection in the room on the detection result is reduced. The average temperature difference between the inner surface and the outer surface of the outer wall of the cold chamber is not more than 0.2 ℃.8 temperature sensors are arranged in the cooling chamber, and each layer comprises an upper layer and a lower layer, and 4 layers are used for measuring the real-time temperature in the cooling chamber. The glass of the window hole is provided with 3 heat flow sensors which are uniformly arranged on one diagonal line of the window glass. A temperature control system is arranged in the cold chamber, and the average temperature in the cold chamber is controlled to be (26+/-0.5).
(2) Contrast cooling chamber
The plane size of the cooling chamber is compared with 3000mm multiplied by 3000mm, the cooling chamber is used for testing and combining heat, and the enclosure structure is a sandwich heat-preserving steel plate with the thickness of 100 mm. The opening direction and the size of the test window hole are the same as those of the standard cooling chamber, and the tested sunshade product can be installed on the window hole. The air temperature setting, structure and materials of the comparison cold room are the same as those of the reference cold room. The sensor arrangement is the same as the reference cold chamber. A temperature control system is arranged in the cold chamber, and the average temperature in the cold chamber is controlled to be (26+/-0.5).
(3) Protective room
The arrangement of the protection chamber can form an air protection layer around the reference cold chamber and the comparison cold chamber, so that the reference cold chamber and the comparison cold chamber can reduce heat exchange with the outside, test data obtained by a detection test are more accurate, the plane size of the protection chamber is 8000mm multiplied by 4500mm, the reference cold chamber and the comparison cold chamber are arranged in the protection chamber, and the air temperature control of the protection chamber is similar or equal to that of the cold chamber, so that the environment stability of the cold chamber is maintained. A step of
(4) Data analysis system
The air temperature of the reference cold chamber and the air temperature of the comparison cold chamber are automatically controlled and regulated through a real-time PID technology, and PID parameters are optimized, so that the temperatures of the reference cold chamber and the comparison cold chamber can accurately reach the target temperature, and the problems of large temperature fluctuation and slow regulation are solved; and the parameters such as solar radiation, temperature control, heat flow and the like are monitored in real time by using monitoring software of independent intellectual property rights. And the PID technology is adopted to judge the fluctuation trend of the temperature, and measures are taken in advance to control the temperature, so that the detection time is greatly shortened, and the detection efficiency is improved.
The data analysis system accords with the requirements of relevant detection standards on equipment and data acquisition. The system is used for collecting the models of three types of sensors of the corresponding building sunshade facility sunshade coefficient detection test device, and specifically comprises: the temperature signal is that the sensor is PT100 type thermal resistor, the using temperature range is-200-600 deg. C, and the number is 18. The sensor used is a heat flow sensor outputting 0-24 mA direct current signal, and the heat flow measuring range is as follows: 0-2000W/square meter, 6. Solar thermal irradiance signal, irradiance measurement range: 0-2000W/square meter, 1 in number. The solar energy testing device mainly comprises the functions of collecting air temperature, solar radiation quantity and heat flow in real time, judging whether the air temperature reaches a set value, collecting effective data, and finally calculating a sunshade coefficient testing result.
The detection device comprises a reference cold chamber and a contrast cold chamber which are mutually separated and are arranged in the protection chamber, and the detection device is additionally provided with a control chamber. The temperature control system installed in the protection room, the reference cold room and the comparison cold room can automatically adjust the indoor temperature to a set value. The data acquisition system arranged in the protection room, the reference cold room and the comparison cold room can observe the indoor air temperature and the heat obtained in the reference cold room and the comparison cold room in real time. The data acquisition system comprises 2 temperature sensors arranged in a protection room, 8 temperature sensors and 3 heat flow meters arranged in a reference cold room, 8 temperature sensors and 3 heat flow meters arranged in a comparison cold room, and a solar radiometer arranged outside the reference cold room and close to one side of a window. The temperature sensors arranged in the reference cooling chamber and the comparison cooling chamber are uniformly distributed in an upper layer and a lower layer. The heat flow meters installed in the reference cooling chamber and the comparative cooling chamber are uniformly arranged on the window glass. The inner walls of the reference cold chamber and the comparison cold chamber are both blackened, and the blackness is more than 0.85.
It is clear to those skilled in the art that the wall materials of the protection chamber, the reference cold chamber and the comparison cold chamber are all heat insulation materials, so that the wall of the protection chamber adopts aerated concrete blocks, and the wall of the reference cold chamber and the wall of the comparison cold chamber adopt sandwich heat insulation steel plates. And 3mm standard transparent glass is arranged on window holes of the reference cooling chamber and the comparison cooling chamber, so that the influence of the glass on the detection result is reduced.
In order to enable those skilled in the art to more clearly understand the present device, the test method, principle and data calculation method of the present device will now be described as follows:
when the solar radiation value displayed by the solar radiometer arranged outside the reference room reaches a preset value, the test is started; wherein the preset value of the solar radiation value is more than or equal to 400W/square meter. And selecting a sunshade product which accords with the size of the window hole of the comparison cold room, hanging the sunshade product outside (outer sunshade product) or inside (inner sunshade product) the window hole of the comparison cold room, starting the air conditioning systems of the protection room, the reference cold room and the comparison cold room, and setting the temperature of the air conditioning system of the protection room to 26 ℃. The air conditioning system temperatures of the reference cold room and the comparative cold room are set to the minimum value. The heating system of the reference and comparative cold chambers was turned on and the temperature was set to 26 degrees. Starting a data acquisition and analysis system, running data acquisition and analysis software, and when the indoor air temperatures of the protection room, the reference cold room and the comparison cold room are stable within the range of (26+/-0.5) DEG C for 30 minutes, starting the data acquisition system to acquire data once every 5 minutes, and after 4 times of data acquisition, calculating the sunshade coefficient of the sunshade product by the data acquisition and analysis software.
According to the heat balance principle, the heat passing through the reference cold chamber and the comparison cold chamber can be divided into the solar heat radiation amount and the heat transfer amount which enter through the window glass and the heat transfer amount passing through the wall body, the ground and the ceiling of the reference cold chamber and the comparison cold chamber, and the heat transfer amount passing through the wall body, the ground and the ceiling of the reference cold chamber and the comparison cold chamber is negligible when the temperature is stable at 26 ℃, so the heat passing through the reference cold chamber and the comparison cold chamber is only the solar heat radiation amount and the heat transfer amount which enter through the window glass.
The experimental results and treatments are shown below:
1. under test working condition, reference heat quantity B of reference cold chamber eg Should be calculated according to formula (1).
B eg ＝q 1 /A1 (1)
Wherein:
B eg -reference heat in watts per square meter (W/square meter);
q 1 -the net heat per unit time into the reference cold chamber in watts (W); obtained by L heat flow sensors arranged in a reference cold chamber;
a1, the area of the standard cold room test window hole is expressed as square meters.
2. Under the test working condition, the comparison cold chamber is used for detecting the combined heat C of the sun-shading product eg Should be calculated according to formula (2).
C eg ＝q 2 /A2 (2)
Wherein:
C eg -combined heat in watts per square meter (W/square meter);
q 2 -units ofThe net heat in watts (W) for time into the comparative cooling chamber; obtained by L heat flow sensors arranged in the comparison cold chamber;
a2-the area of the window hole for the comparative cooling chamber is measured in square meters.
3. Under the test working condition, the comprehensive sun shading coefficient SC of the sun shading product to be detected in the comparison cold room sg Should be calculated according to formula (3).
SC sg ＝C eg /B eg (3)
Wherein:
SC sg -the integrated sunshade coefficient of the sunshade product to be detected;
C eg -combined heat in watts per square meter (W/square meter);
B eg -reference heat in watts per square meter (W/square meter);
4. sunshade coefficient SC of sunshade product to be detected s Calculated according to formula (4):
SC s ＝SC sg /1.00＝SC sg (4)
wherein:
SC s -sunshade coefficient of test piece;
SC sg -comprehensive sunshade coefficient of test piece.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (1)
1. A method for detecting thermal insulation performance of a sun-shading product using sunlight based on a device for detecting thermal insulation performance of a sun-shading product using sunlight, the device for detecting thermal insulation performance of a sun-shading product using sunlight comprising a reference cold chamber for measuring reference heat, a comparison cold chamber for measuring heat of a sun-shading product to be detected, and a data analysis system, wherein:
the standard cold room is provided with a standard cold room test window hole, the standard cold room test window hole faces southwest, and a first standard flat white glass is installed in the standard cold room test window hole; l heat flow sensors are arranged on a diagonal line on the inner side of the first standard flat white glass, L is more than or equal to 3, and the heat flow sensors are connected with a data analysis system; an upper layer of temperature sensor and a lower layer of temperature sensor are also arranged in the reference cold room, each layer of temperature sensor is positioned on the same horizontal plane, the number of the temperature sensors is M, M is more than or equal to 4, and the temperature sensors are used for measuring real-time temperature in the room and transmitting the real-time temperature to a data analysis system; meanwhile, the reference cold room controls the average temperature in the room to be 26+/-0.5 ℃ through a first temperature control device; a solar radiometer is arranged outside the reference cold room, is arranged around the first standard flat white glass and is connected with a data analysis system;
the comparison cold room is provided with a comparison cold room test window hole, the comparison cold room test window hole faces southwest, and a second standard flat white glass is installed in the comparison cold room test window hole; l heat flow sensors are arranged on a diagonal line on the inner side of the second standard flat white glass, L is more than or equal to 3, and the heat flow sensors are connected with a data analysis system; meanwhile, a sunshade product to be detected is arranged in the test window hole of the comparative cooling chamber; an upper layer of temperature sensor and a lower layer of temperature sensor are arranged in the indoor of the comparison cooling chamber, each layer of temperature sensor is positioned on the same horizontal plane, the number of the temperature sensors is M, M is more than or equal to 4, and the temperature sensors are used for measuring the real-time temperature in the indoor and transmitting the real-time temperature to a data analysis system; meanwhile, the average temperature in the comparison cooling chamber is controlled to be 26+/-0.5 ℃ through a second temperature control device;
the data analysis system respectively controls the first temperature control device and the second temperature control device to work in real time through a PID technology, so that the air temperature of the reference cold chamber and the air temperature of the comparison cold chamber are respectively controlled and adjusted automatically, and PID parameters are optimized, so that the temperatures of the reference cold chamber and the air temperature of the comparison cold chamber can accurately reach target temperatures; comparing the parameter information of solar radiation, temperature and heat flow collected by the reference cold chamber with the parameter information of temperature and heat flow collected by the comparison cold chamber, and directly calculating the sunshade coefficient of the sunshade product to be detected through a program set by system software; in addition, the PID technology is adopted to judge the temperature fluctuation trend of the reference cold chamber and the comparison cold chamber, and measures are taken in advance to control the temperatures of the reference cold chamber and the comparison cold chamber;
the device for detecting the heat insulation performance of the sun-shading product by utilizing sunlight further comprises a protection chamber, N temperature sensors are arranged in the protection chamber, N is more than or equal to 2, and the temperature sensors are used for measuring the real-time temperature in the chamber and transmitting the real-time temperature to a data analysis system; the protection chamber is arranged at the outer sides of the reference cold chamber and the comparison cold chamber, and the reference cold chamber is provided with the reference cold chamber test window hole, and the wall bodies of the three sides are arranged in the protection chamber; the wall bodies of the three sides except one side of the test window hole of the comparison cold room are arranged in the protection room;
the wall body of the protection chamber adopts aerated concrete blocks;
the sun-shading product to be detected is an indoor sun-shading product or an outdoor sun-shading product, wherein the indoor sun-shading product is arranged on the inner side of the second standard flat white glass, and the outdoor sun-shading product is arranged on the outer side of the second standard flat white glass;
the temperature control device comprises an air conditioner and an adjustable power heating pipe;
the wall bodies of the reference cooling chamber and the comparison cooling chamber are sandwich heat-insulating steel plates; the inner walls of the wall bodies of the reference cooling chamber and the comparison cooling chamber are coated with a layer of black paint, so that the indoor blackness is more than 0.85;
the temperature sensor is PT100 type thermal resistor, and the using temperature range is-200-600 ℃; the heat flow sensor outputs a 0-24 mA direct current signal, and the heat flow measuring range is as follows: 0-2000W/square meter; radiation measurement range of the solar radiometer: 0-2000W/square meter;
the method for detecting the heat insulation performance of the sun-shading product by utilizing sunlight comprises the following steps in sequence:
s1, performing a test in sunny weather, and starting the test when a solar radiometer arranged outside a reference room displays that a solar radiation value reaches a preset value; selecting a sunshade product conforming to the size of the test window hole of the comparison cold chamber, hanging the sunshade product at the corresponding position of the test window hole of the comparison cold chamber, and starting the temperature control devices of the protection chamber, the reference cold chamber and the comparison cold chamber;
s2, setting the air conditioning temperature of the protection room to 26 ℃; setting the air-conditioning temperatures of the reference cold room and the comparison cold room to be the lowest value; starting an adjustable power heating pipe of a reference cold chamber and a comparison cold chamber, and setting the temperature to 26 ℃; starting a data analysis system, running data acquisition analysis software, and when the indoor air temperatures of the protection room, the reference cold room and the comparison cold room are stable within the range of 26+/-0.5 ℃ for 30 minutes, starting to acquire data, acquiring the data once every 5 minutes, and after acquiring the data for 4 times, calculating the sunshade coefficient of the sunshade product by the data acquisition analysis software.
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| CN102539473A (en) * | 2012-01-12 | 2012-07-04 | 浙江省建筑科学设计研究院有限公司 | Device for testing heat insulation performance of sun-shading product |
| CN203163966U (en) * | 2013-04-11 | 2013-08-28 | 江苏省建筑工程质量检测中心有限公司 | Shading coefficient detection system of simulated solar light source detection shading device |
| CN104990951B (en) * | 2015-07-13 | 2018-02-09 | 四川亚力超膜科技有限公司 | A kind of heat-proof quality detection means and detection method |
| CN206648984U (en) * | 2017-03-30 | 2017-11-17 | 广州市建筑材料工业研究所有限公司 | A kind of device that shading product heat-proof quality is detected using sunshine |
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2017
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