Device for testing performance of reflective thermal insulation coating

Abstract

The utility model relates to the technical field of testing devices, in particular to a device for testing the performance of a reflective thermal insulation coating, which solves the problem that a testing plate is not easy to take out and replace after being placed in the prior art and comprises a box body and a testing substrate, a partition plate is arranged in the box body, and the interior of the box body is divided into an upper cavity and a lower cavity through the partition plate. A solar radiation simulation assembly and a reflectivity detection assembly are arranged in the upper cavity, a step-shaped opening is formed in the partition plate, the test substrate is matched with the step-shaped opening, and a jacking assembly matched with the test substrate is arranged on the partition plate. The coating performance testing device has the beneficial effects that after a coating performance test is carried out, one side of the testing base plate can be lifted through the jacking assembly, so that one side of the testing base plate is separated from the partition plate, and the testing base plate is convenient to take out and replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to test device technical field especially refers to a kind of test device of the performance of reflective thermal insulation coating. BACKGROUND

[0002] The performance test of reflective thermal insulation coating is an important link to evaluate its practical application effect. At present, the commonly used test methods include solar reflectance test, thermal insulation performance test and durability test, etc. However, the existing test device is often single-function, cannot meet the performance test requirements of multiple kinds at the same time, and is complicated to operate and high in cost.

[0003] The patent with publication number CN217278007U discloses a kind of building energy-saving coating heat insulation temperature difference test device, including heat insulation box body, temperature measuring probe, temperature display instrument and power supply system, the temperature measuring probe is connected with temperature display instrument, the power supply system is connected with temperature display instrument, by setting heat insulation box body, environmental temperature measuring layer and heat insulation temperature measuring layer are set from top to bottom in heat insulation box body, opening is equipped on environmental temperature measuring layer and heat insulation temperature measuring layer, the opening caliber of environmental temperature measuring layer is greater than the opening caliber of heat insulation temperature measuring layer, step is formed between environmental temperature measuring layer and heat insulation temperature measuring layer. The coating to be measured is coated on test plate, then test plate is placed on the step between environmental temperature measuring layer and heat insulation temperature measuring layer, after test plate is placed, test plate enters environmental temperature measuring layer completely, the opening of environmental temperature measuring layer completely wraps the side of test plate, which can cause test plate not easy to take out and replace, affecting test efficiency. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of test device of the performance of reflective thermal insulation coating, solve the problem that test plate is not easy to take out and replace after being placed in prior art.

[0005] The technical scheme of the utility model is as follows:

[0006] A kind of test device of the performance of reflective thermal insulation coating, including box body and test substrate, box body is equipped with partition, and box body is divided into upper cavity and lower cavity by partition, solar radiation simulation assembly and reflectivity detection assembly are equipped in upper cavity, step type opening is equipped on partition, test substrate is matched with step type opening, jacking assembly matched with test substrate is equipped on partition. After testing, test substrate is jacked up by jacking assembly, which is convenient for the taking out and replacement of test substrate;Reflectivity detection assembly can detect the thermal insulation performance of coating.

[0007] The upper box door and the lower box door are respectively hinged to the box body.

[0008] The jacking assembly comprises an L-shaped connecting rod, the horizontal part of the L-shaped connecting rod is located at the lower side of the test substrate, and the L-shaped connecting rod is hinged to the partition plate.

[0009] The jacking assembly is arranged on the side close to the upper box door, and the jacking assembly is movably connected to the upper box door.

[0010] The inner side of the upper box door is provided with a vertically arranged sliding groove, a sliding block is slidably connected in the sliding groove, and the vertical part of the L-shaped connecting rod is hinged to the sliding block.

[0011] The side of the stepped opening is provided with an elastic supporting assembly, and the elastic supporting assembly is arranged opposite to the upper box door.

[0012] The elastic supporting assembly comprises a supporting plate, the supporting plate is an inverted L-shaped plate, the horizontal part of the inverted L-shaped plate is matched with the upper surface of the test substrate, and the vertical part of the inverted L-shaped plate is connected with the side wall of the stepped opening through a spring.

[0013] The inner wall of the box body and the partition plate are both provided with a heat insulation layer.

[0014] The box body is provided with a temperature detection assembly for detecting the temperature in the upper cavity and the lower cavity.

[0015] The solar radiation simulation assembly comprises a xenon lamp light source and a radiation intensity adjusting device, the xenon lamp light source is arranged in the upper cavity, and the radiation intensity adjusting device is connected to the xenon lamp light source.

[0016] The utility model discloses a beneficial effect is: after the performance test of coating, through the jacking subassembly can lift one side of test substrate, make one side of test substrate and the baffle separate, convenient for the taking out replacement of test substrate, and the reflectivity and the grid performance of coating are detected simultaneously through the reflectivity detection subassembly and temperature detection subassembly.

[0017] The side of the stepped opening is provided with an elastic supporting assembly, and the elastic supporting assembly provides support for the test substrate after the test substrate is placed, so that the test substrate is kept stable after being placed. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 It is a testing device box structure schematic view of the reflective heat insulation coating performance of the utility model.

[0020] Figure 2 It is a testing device section view Figure 1 ;

[0021] Figure 3 It is a testing device section view Figure 2 ;

[0022] Figure 4 It is Figure 3 A close-up of the embodiment 1.

[0023] 1, box, 11, upper box door, 12, lower box door, 13, heat insulation layer, 14, baffle, 15, window, 2, xenon lamp light source, 3, test substrate, 4, jacking subassembly, 41, L type connecting rod, 42, sliding block, 5, elastic supporting assembly, 51, support plate, 52, spring. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] Embodiment 1, as Figure 1 , Figure 2As shown, a testing device for testing the performance of a reflective thermal insulation coating includes a box body 1 and a testing substrate 3, the box body 1 is provided with a partition plate 14, the inside of the box body 1 is divided into an upper cavity and a lower cavity by the partition plate 14, the upper cavity is provided with a solar radiation simulation assembly and a reflectivity detection assembly, the partition plate 14 is provided with a stepped opening 15, the testing substrate 3 is matched with the stepped opening 15, and the partition plate 14 is provided with a jacking assembly 4 matched with the testing substrate 3. In the embodiment, the reflectivity detection assembly is a reflectivity tester, the reflectivity tester is arranged in the upper cavity through a lifting mechanism, and the reflectivity tester is arranged opposite to the testing substrate 3. Specifically, the lifting mechanism is an electric sliding rail arranged vertically, the electric sliding rail can drive the reflectivity tester to move up and down, realize separation and contact with the testing substrate 3, and then realize testing of the reflectivity of the coating on the testing substrate 3; the testing substrate 3 is glass; when testing, the coating to be tested is coated on the testing substrate 3 by means of spin coating, blade coating or spraying, then the testing substrate 3 is placed at the position of the stepped opening 15, the solar radiation simulation assembly simulates sunlight to irradiate the coating on the testing substrate 3, then the temperature difference between the upper cavity and the lower cavity is measured, and the thermal insulation performance of the coating is tested; after the testing is completed, one side of the testing substrate 3 is lifted by the jacking assembly 4, so that one side of the testing substrate 3 is separated from the partition plate 14, the testing substrate 3 is quickly taken out and replaced, and the testing efficiency is improved.

[0026] Further, the box body 1 is provided with an upper box door 11 and a lower box door 12, the upper box door 11 corresponds to the position of the upper cavity, the lower box door 12 corresponds to the position of the lower cavity, and the upper box door 11 and the lower box door 12 are respectively hinged to the box body 1. Handles are arranged on the upper box door 11 and the lower box door 12, so that the box door can be easily opened or closed; in addition, after the coating performance is tested, the inside of the box body 1 can be ventilated with the outside air by opening the upper box door 11 and the lower box door 12, the temperature environment in the box body 1 is quickly reset, the next coating performance test can be quickly performed, and the testing efficiency is improved.

[0027] Further, the jacking assembly 4 includes an L-shaped connecting rod 41, the horizontal part of the L-shaped connecting rod 41 is located at the lower side of the testing substrate 3, and the L-shaped connecting rod 41 is hinged to the partition plate 14. Figure 2 As shown, one side of the stepped opening 15 is provided with a groove, when the L-shaped connecting rod 41 is in a vertical state, the lower part of the L-shaped connecting rod 41 is placed in the groove, and the horizontal part of the L-shaped connecting rod 41 is flush with the stepped surface of the stepped opening 15, at this time, the testing substrate 3 is attached to the stepped surface of the stepped opening 15, and the thermal insulation performance of the coating can be tested; after the testing is completed, the vertical part of the L-shaped connecting rod 41 is pulled, so that the L-shaped connecting rod 41 is inclined, at this time, the horizontal part of the L-shaped connecting rod 41 lifts one side of the testing substrate 3, so that one side of the testing substrate 3 is separated from the partition plate 14, and the testing substrate 3 is easily taken out.

[0028] In addition, a sealing strip is provided on the stepped surface of the stepped opening 15. When the test substrate 3 comes into contact with the stepped surface of the stepped opening 15, a seal can be achieved, reducing the air flow between the upper cavity and the lower cavity, thereby ensuring the accuracy of the thermal insulation performance test results.

[0029] Furthermore, the lifting assembly 4 is located on the side near the upper chamber door 11, and the lifting assembly 4 is movably connected to the upper chamber door 11. In this embodiment, the lower edge of the upper chamber door 11 is hinged to the chamber body 1, and the opening or closing of the upper chamber door 11 can be linked with the lifting assembly 4, improving the ease of use of the testing device.

[0030] Furthermore, the inner side of the upper door 11 is provided with a vertically arranged sliding groove, and a slider 42 is slidably connected within the sliding groove. The vertical part of the L-shaped connecting rod 41 is hinged to the slider 42. Figure 3 As shown, when the upper box door 11 is opened, the slider 42 on the upper box door 11 drives the L-shaped connecting rod 41 to swing, and at the same time the slider 42 slides in the groove. At this time, the lateral part of the L-shaped connecting rod 41 lifts one side of the test substrate 3.

[0031] Example 2, based on Example 1, provides a testing device for the performance of reflective heat-insulating coatings. An elastic support component 5 is provided on the side of the stepped opening 15, and the elastic support component 5 is arranged opposite to the upper door 11. After the test substrate 3 is placed, the elastic support component 5 provides support for the test substrate 3, thereby ensuring the stability of the test substrate 3 after placement.

[0032] Furthermore, such as Figure 4 As shown, the elastic support assembly 5 includes a support plate 51, which is an inverted L-shaped plate. The horizontal portion of the inverted L-shaped plate mates with the upper surface of the test substrate 3, and the vertical portion of the inverted L-shaped plate is connected to the side wall of the stepped opening 15 via a spring 52. After the test substrate 3 is installed, the support plate 51 presses against the test substrate, making the test substrate 3 in close contact with the upper side wall of the stepped opening 15, thereby ensuring the installation stability of the test substrate 3.

[0033] Furthermore, the inner wall of the enclosure 1 and the partition 14 are both provided with a heat insulation layer 13. The heat insulation layer is made of one or more materials such as glass fiber, asbestos, rock wool, and silicate. The heat insulation layer 13 reduces the heat exchange between the enclosure 1 and the external environment, ensuring the accuracy of the heat insulation performance test results.

[0034] Furthermore, the housing 1 is equipped with a temperature detection component for detecting the temperature inside the upper and lower cavities. The temperature detection component includes a temperature tester, which tests the temperature inside the upper and lower cavities separately, and determines the heat insulation performance of the coating on the test substrate 3 by comparing the temperatures inside the two cavities.

[0035] The further solar radiation simulation assembly comprises a xenon lamp light source 2 and a radiation intensity adjusting device, the xenon lamp light source 2 is arranged in the upper cavity, and the radiation intensity adjusting device is connected with the xenon lamp light source 2. The radiation intensity adjusting device is a luminometer, the distance between the xenon lamp light source 2 and the test substrate 3 is 16.3 cm, and the current is 13.2 A, so that one solar radiation intensity can be met.

[0036] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A testing device for the performance of reflective heat-insulating coatings, comprising a housing (1) and a testing substrate (3), characterized in that, The box (1) is equipped with a partition (14). The box (1) is divided into an upper cavity and a lower cavity by the partition (14). The upper cavity is equipped with a solar radiation simulation component and a reflectivity detection component. The partition (14) is equipped with a stepped opening (15). The test substrate (3) is matched with the stepped opening (15). The partition (14) is equipped with a lifting component (4) that matches the test substrate (3).

2. The testing device for the performance of reflective heat-insulating coatings according to claim 1, characterized in that, The box body (1) is provided with an upper box door (11) and a lower box door (12). The upper box door (11) corresponds to the position of the upper cavity, and the lower box door (12) corresponds to the position of the lower cavity. The upper box door (11) and the lower box door (12) are respectively hinged to the box body (1).

3. The testing device for the performance of reflective heat-insulating coatings according to claim 1 or 2, characterized in that, The lifting assembly (4) includes an L-shaped link (41), the lateral portion of which is located on the lower side of the test substrate (3), and the L-shaped link (41) is hinged to the partition (14).

4. The testing device for the performance of reflective heat-insulating coatings according to claim 3, characterized in that, The lifting assembly (4) is located on the side near the upper box door (11), and the lifting assembly (4) is movably connected to the upper box door (11).

5. The testing device for the performance of reflective heat-insulating coatings according to claim 4, characterized in that, The inner side of the upper door (11) is provided with a vertically arranged slide groove, and a slider (42) is slidably connected in the slide groove. The vertical part of the L-shaped connecting rod (41) is hinged to the slider (42).

6. The testing apparatus for the performance of reflective heat-insulating coatings according to claim 1 or 5, characterized in that, The side of the stepped opening (15) is provided with an elastic support component (5), which is arranged opposite to the upper box door (11).

7. The testing device for the performance of reflective heat-insulating coatings according to claim 6, characterized in that, The elastic support assembly (5) includes a support plate (51), which is an inverted L-shaped plate. The horizontal part of the inverted L-shaped plate is engaged with the upper surface of the test substrate (3), and the vertical part of the inverted L-shaped plate is connected to the side wall of the stepped opening (15) through a spring (52).

8. The testing apparatus for the performance of reflective heat-insulating coatings according to claim 1 or 7, characterized in that, The inner wall of the box (1) and the partition (14) are provided with heat insulation layer (13).

9. The testing device for the performance of reflective heat-insulating coatings according to claim 8, characterized in that, The housing (1) is equipped with a temperature detection component for detecting the temperature inside the upper and lower cavities.

10. The testing apparatus for the performance of reflective heat-insulating coatings according to claim 9, characterized in that, The solar radiation simulation component includes a xenon lamp light source (2) and a radiation intensity adjustment device. The xenon lamp light source (2) is located in the upper cavity, and the radiation intensity adjustment device is connected to the xenon lamp light source (2).

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