CN219179216U - Thermochromic coating dynamic photo-thermal performance testing device - Google Patents
Thermochromic coating dynamic photo-thermal performance testing device Download PDFInfo
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- CN219179216U CN219179216U CN202223189271.5U CN202223189271U CN219179216U CN 219179216 U CN219179216 U CN 219179216U CN 202223189271 U CN202223189271 U CN 202223189271U CN 219179216 U CN219179216 U CN 219179216U
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Abstract
The utility model discloses a thermochromic paint dynamic photo-thermal performance testing device which comprises a testing test piece, a heating panel and a temperature monitoring component, wherein the heating panel is arranged on the testing test piece; the test piece comprises a substrate, one surface of the substrate is provided with a paint layer, and the other surface of the substrate is connected with the heating panel; the heating panel comprises a heating wire, a wiring terminal and a power controller, and the heating wire, the wiring terminal and the power controller are electrically connected in sequence; the temperature monitoring assembly comprises a temperature probe, a thermocouple wire and a temperature controller; one end of the temperature measuring probe is connected with the temperature controller through a thermocouple wire, the other end of the temperature measuring probe is arranged on the paint layer, and the temperature controller is connected with the power controller. The utility model can realize the real-time stable monitoring of the temperature of the paint in the spectrophotometer box, and simultaneously accurately test the solar radiation reflectance of the paint at different temperatures, thereby improving the accuracy of experimental data.
Description
Technical Field
The utility model relates to the technical field of paint detection equipment, in particular to a device for testing dynamic photo-thermal properties of thermochromic paint.
Background
It is counted that the building produces about 40% of total energy consumption and 30% of carbon dioxide emission all around the world, wherein the building facade has a significant impact on the building energy consumption and the indoor thermal environment. The urban heat environment is negatively affected by a large amount of air conditioning energy consumption, and the outdoor heat environment is deteriorated. Therefore, under the common requirements of reducing building energy consumption and improving urban thermal environment and indoor thermal comfort, the research of the energy-saving coating on the building surface has wide application prospect. The photo-thermal property of the paint intuitively reflects the energy-saving property of the paint, so that the detection of the photo-thermal property of the paint is widely applied to the research of the energy-saving paint.
In the current test research on the photo-thermal properties of the coating, the photo-thermal properties of the thermochromic coating change greatly at different temperatures, and the thermochromic coating can change along with the change of the temperature. Particularly, in the stage of testing the photo-thermal performance of the thermochromic coating, the deviation and uncertainty of the photo-thermal performance index data of the thermochromic coating can be caused by the change of the coating temperature, so that the experimental result is influenced.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a device for testing the dynamic photo-thermal properties of thermochromic paint, which can realize real-time stable monitoring of the surface temperature of the thermochromic paint in a spectrophotometer box body, and simultaneously accurately test the solar radiation reflectance of the paint at different temperatures and improve the accuracy of experimental data.
The aim of the utility model is achieved by the following technical scheme: a thermochromic paint dynamic photo-thermal performance testing device comprises a testing test piece, a heating panel and a temperature monitoring assembly; the test piece comprises a substrate and a coating layer, wherein the coating layer is arranged on one surface of the substrate, and the other surface of the substrate is connected with the heating panel; the heating panel comprises a heating wire, a wiring terminal and a power controller, and the heating wire, the wiring terminal and the power controller are electrically connected in sequence; the temperature monitoring assembly comprises a temperature probe, a thermocouple wire and a temperature controller; one end of the temperature measuring probe is connected with the temperature controller through a thermocouple wire, the other end of the temperature measuring probe is arranged on the paint layer, and the temperature controller is connected with the power controller.
Preferably, the heating wires are arranged in an S shape.
Preferably, 2 aluminum foil layers are arranged on the surfaces of the heating wires, and the heating wires are arranged between the 2 aluminum foil layers.
Preferably, the 2 aluminum foil layers are fixedly connected through an adhesive layer.
Preferably, a high-temperature-resistant adhesive tape is arranged on the surface of the aluminum foil layer, and the high-temperature-resistant adhesive tape is used for fixing the test piece.
Preferably, at least 2 temperature measuring probes are arranged.
Preferably, the surface of the temperature measuring probe is coated with heat conduction silicone grease.
Preferably, the substrate is an aluminum sheet.
Preferably, the device further comprises an ultraviolet-visible spectrophotometer, wherein a test lens is arranged in the ultraviolet-visible spectrophotometer, the test piece is arranged on the ultraviolet-visible spectrophotometer and faces the test lens, and the ultraviolet-visible spectrophotometer is used for detecting the dynamic photo-thermal performance of the test piece.
Preferably, the temperature controller is connected with the power regulator through a signal data line, and the temperature controller is used for regulating and controlling the power regulator.
Compared with the prior art, the utility model has the following advantages:
(1) According to the thermochromic coating dynamic photo-thermal performance testing device, the heating panel and the temperature monitoring assembly are used for conducting stable temperature monitoring on the test piece, so that experimental errors caused by temperature change during test piece detection are solved, and the accuracy of photo-thermal performance data is improved.
(2) The temperature controller of the thermochromic paint dynamic photo-thermal property testing device can be connected with a remote terminal so as to realize real-time remote control of the temperature of a test piece.
Drawings
FIG. 1 is a schematic structural diagram of a device for testing dynamic photo-thermal properties of thermochromic paint according to the present utility model.
Fig. 2 is a schematic diagram of a test piece structure of a thermochromic paint dynamic photo-thermal performance test device of the present utility model.
FIG. 3 is a schematic diagram of the structure of a heating panel of a device for testing dynamic photo-thermal properties of thermochromic coating according to the present utility model.
Fig. 4 is a schematic cross-sectional view of a heating panel of the device for testing dynamic photo-thermal properties of thermochromic coating according to the present utility model.
FIG. 5 is a block diagram of the workflow of a thermochromic paint dynamic photo-thermal performance test setup of the present utility model.
Wherein 1-the substrate; 2-a paint layer; 3-heating wires; 4-wiring terminals; 5-a power regulator; 6-conducting wires; 7-an aluminum foil layer 1; 8-an aluminum foil layer 2; 9-a temperature measurement probe; 10-heat-conducting silicone grease; 11-thermocouple wires; 12-a temperature controller; 13-high temperature resistant adhesive tape; 14-signal data lines; 15-ultraviolet visible spectrophotometer.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
As shown in FIG. 1, the device for testing the dynamic photo-thermal performance of the thermochromic paint comprises a test piece, a heating panel and a temperature monitoring component; the test piece comprises a substrate 1 and a coating layer 2, wherein the coating layer 2 is arranged on one surface of the substrate 1, and the other surface of the substrate 1 is connected with the heating panel; the heating panel comprises a heating wire 3, a wiring terminal 4 and a power controller 5, wherein the heating wire 3, the wiring terminal 4 and the power controller 5 are electrically connected in sequence; the temperature monitoring assembly comprises a temperature probe 9, a thermocouple wire 11 and a temperature controller 12; one end of the temperature measuring probe 9 is connected with a temperature controller 12 through a thermocouple wire 11, the other end of the temperature measuring probe 9 is arranged on the coating layer 2, and the temperature controller 12 is connected with the power controller 5.
Specifically, as shown in fig. 2, the device for testing dynamic photo-thermal properties of thermochromic paint uses an aluminum plate as a substrate 1, the paint to be tested is sprayed or knife-coated on the aluminum plate for a plurality of times to form a paint layer 2, and the paint layer 2 is left to stand and dried to be used as a test piece of the paint to be tested.
Specifically, the size of the test piece is 150×70× (0.8-1.2) mm, and the test piece can be conveniently placed into the ultraviolet-visible spectrophotometer 15 for testing by setting the size, so that the feasibility of the thermochromic paint dynamic photo-thermal property testing device is improved.
The thickness of the coating layer 2 is 2mm; setting the coating layer 2 to this thickness facilitates heat conduction, improving the efficiency of the experiment.
As shown in fig. 3 and 4, 2 aluminum foil layers are arranged on the surface of the heating wire 3, the heating wire 3 is arranged between the 2 aluminum foil layers, and the 2 aluminum foil layers are fixedly connected through an adhesive layer; because the aluminum foil has good heat conduction performance, the aluminum foil layer is arranged to wrap the heating panel, so that the temperature change rate of the panel is faster; in addition, the aluminum foil layer is arranged, so that the test piece can be prevented from being damaged due to direct contact with the heating wire 3, and the safety of the thermochromic paint dynamic photo-thermal performance testing device is improved.
Specifically, the heating wires 3 are arranged in an S shape, and the S-shaped structure enables the test piece to be heated more uniformly, so that the accuracy of the obtained data detected by the thermochromic coating dynamic photo-thermal property testing device is improved;
the surface of the aluminum foil layer is provided with a high-temperature-resistant adhesive tape 13, and the high-temperature-resistant adhesive tape 13 is used for fixing the test piece so as to reduce test errors caused by shaking of the test piece.
As shown in fig. 4, the number of the temperature measuring probes 9 is 2, and the arrangement can avoid measurement errors caused by the damage of the single temperature measuring probe 9, thereby ensuring the temperature accuracy of the temperature measuring test piece.
The surface of the temperature measuring probe 9 is coated with heat conduction silicone grease 10; the heat conduction silicone grease 10 can effectively fill the gap between the temperature measuring probe 9 and the test piece, so that the stability of temperature measurement is ensured.
As shown in fig. 1, the temperature controller 12 is connected with the power regulator 5 through a signal data line 14 to realize regulation control of the power regulator 5; in addition, the temperature controller 12 may also be connected to a remote terminal to enable remote control of the heating panel power.
Specifically, the temperature acquisition step of the temperature controller 12 is set to 10 seconds to prevent temperature data errors caused by too fast or too slow temperature heating.
As shown in fig. 1, the thermochromic paint dynamic photo-thermal performance testing device further includes an ultraviolet-visible spectrophotometer 15, a testing lens is disposed in a box of the ultraviolet-visible spectrophotometer 15, and the testing specimen is mounted on the ultraviolet-visible spectrophotometer 15 and faces the testing lens, so as to facilitate observation of real-time variation conditions of the testing specimen during detection; the ultraviolet-visible spectrophotometer 15 is used for detecting the dynamic photo-thermal performance of the paint to be detected.
As shown in fig. 5, the working flow of the thermochromic paint dynamic photo-thermal performance testing device is as follows:
firstly, uniformly coating a coating to be tested on a substrate 1, and then standing and drying a coating layer 2 on the substrate 1 to obtain a test piece of the coating to be tested; the heating panel, the temperature measuring probe 9 and the test piece are sequentially connected and then put into the ultraviolet-visible spectrophotometer 15; then sequentially starting the ultraviolet-visible spectrophotometer 15 and the heating panel, and inputting a set temperature into the temperature controller 12; when the temperature of the test piece reaches the set temperature, stabilizing the test piece for 10 minutes, and then testing the test piece, and if the test temperature is not equal to the set temperature, adjusting the power controller 5 to meet the set requirement; after the test is started, stopping the test when the set temperature reaches the highest temperature to be tested, and ending the test; if the set temperature is lower than the highest temperature of the paint to be tested, the set temperature is required to be readjusted so that the set temperature is higher than or equal to the highest temperature to be tested, and the completeness of the photo-thermal property data of the test piece to be tested can be ensured.
The above embodiments are preferred examples of the present utility model, and the present utility model is not limited thereto, and any other modifications or equivalent substitutions made without departing from the technical aspects of the present utility model are included in the scope of the present utility model.
Claims (10)
1. A thermochromic paint dynamic photo-thermal property testing device is characterized in that: the device comprises a test piece, a heating panel and a temperature monitoring assembly; the test piece comprises a substrate and a coating layer, wherein the coating layer is arranged on one surface of the substrate, and the other surface of the substrate is connected with the heating panel; the heating panel comprises a heating wire, a wiring terminal and a power controller, and the heating wire, the wiring terminal and the power controller are electrically connected in sequence; the temperature monitoring assembly comprises a temperature probe, a thermocouple wire and a temperature controller; one end of the temperature measuring probe is connected with the temperature controller through a thermocouple wire, the other end of the temperature measuring probe is arranged on the paint layer, and the temperature controller is connected with the power controller.
2. The thermochromic paint dynamic photo-thermal performance testing device according to claim 1, wherein: the heating wires are arranged in an S shape.
3. The thermochromic paint dynamic photo-thermal property testing device according to claim 2, wherein: the surface of the heating wire is provided with 2 aluminum foil layers, and the heating wire is arranged between the 2 aluminum foil layers.
4. A thermochromic paint dynamic photo-thermal property testing device according to claim 3, wherein: the 2 aluminum foil layers are fixedly connected through the adhesive layer.
5. The device for testing the dynamic photo-thermal performance of the thermochromic paint according to claim 4, wherein: the surface of the aluminum foil layer is provided with a high-temperature-resistant adhesive tape, and the high-temperature-resistant adhesive tape is used for fixing the test piece.
6. The thermochromic paint dynamic photo-thermal performance testing device according to claim 1, wherein: the temperature measuring probes are provided with at least 2 temperature measuring probes.
7. The device for testing the dynamic photo-thermal performance of the thermochromic paint according to claim 6, wherein the device comprises: and the surface of the temperature measuring probe is coated with heat conduction silicone grease.
8. The thermochromic paint dynamic photo-thermal performance testing device according to claim 1, wherein: the substrate is an aluminum sheet.
9. The thermochromic paint dynamic photo-thermal performance testing device according to claim 1, wherein: the device is characterized by further comprising an ultraviolet-visible spectrophotometer, wherein a test lens is arranged in the ultraviolet-visible spectrophotometer, the test piece is arranged on the ultraviolet-visible spectrophotometer and faces the test lens, and the ultraviolet-visible spectrophotometer is used for detecting the dynamic photo-thermal performance of the test piece.
10. The thermochromic paint dynamic photo-thermal performance testing device according to claim 1, wherein: the temperature controller is connected with the power regulator through a signal data line and is used for regulating and controlling the power regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223189271.5U CN219179216U (en) | 2022-11-30 | 2022-11-30 | Thermochromic coating dynamic photo-thermal performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223189271.5U CN219179216U (en) | 2022-11-30 | 2022-11-30 | Thermochromic coating dynamic photo-thermal performance testing device |
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| Publication Number | Publication Date |
|---|---|
| CN219179216U true CN219179216U (en) | 2023-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223189271.5U Active CN219179216U (en) | 2022-11-30 | 2022-11-30 | Thermochromic coating dynamic photo-thermal performance testing device |
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| CN (1) | CN219179216U (en) |
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- 2022-11-30 CN CN202223189271.5U patent/CN219179216U/en active Active
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