Radiation heat insulation coating performance detection device and detection process thereof

Abstract

The invention relates to a radiation heat insulation coating performance detection device and a detection process thereof, and relates to the technical field of coating detection. The device comprises a box body and a material taking opening formed in the top of the box body in a penetrating mode, a mounting ring plate used for bearing a detection plate is arranged in the material taking opening of the box body, a box cover used for covering the material taking opening is arranged at the top of the box body, and a heating piece used for heating the detection plate is arranged in the box cover. A lifting assembly used for driving the box cover to be close to or away from the box body is arranged on one side of the box body. A temperature measuring assembly is arranged on the box body and used for measuring temperature data on the two sides of the detection plate; the method has the effect of improving the detection accuracy of the heat insulation performance of the coating.

Description

Technical Field

[0001] The present application relates to the technical field of coating detection, and in particular to a radiation insulation coating performance detection device and a detection process thereof. Background Art

[0002] Thermal insulation coating is a material that can play a role in heat insulation and is widely used in the fields of construction, aerospace, automobiles, electronic equipment, etc. At present, the main types of thermal insulation coatings include barrier thermal insulation coatings, reflective thermal insulation coatings, radiation thermal insulation coatings and composite thermal insulation coatings. In order to ensure the quality and performance of thermal insulation coatings, performance testing is usually required; therefore, performance testing of thermal insulation coatings is crucial to ensure its thermal insulation effect.

[0003] In the related art, a heat source is usually used to irradiate a test plate coated with the coating to be tested, and the performance indicators of the thermal insulation coating are evaluated by measuring the temperature changes on the surface and back of the test plate.

[0004] With respect to the above-mentioned related technologies, the inventors found that during the testing process of the existing coating thermal insulation performance testing device, the space at the bottom of the testing plate is mostly open, and the flowing air will drive the cold and hot air at the bottom of the testing plate to flow and exchange heat, thereby affecting the overall temperature of the bottom of the testing plate, resulting in the temperature data at the bottom of the testing plate being unable to accurately reflect the thermal insulation performance of the coating, thereby affecting the accuracy of coating testing, so it needs to be improved. Summary of the invention

[0005] In order to reduce the influence of air flow on the detection of thermal insulation performance of coatings, the present application provides a radiation thermal insulation coating performance detection device and a detection process thereof.

[0006] In the first aspect, the present application provides a radiation insulation coating performance detection device, which adopts the following technical solution: A radiation insulation coating performance detection device comprises a box body and a feeding port which is opened through the top of the box body, the box body is provided with a mounting ring plate for carrying a detection plate inside the feeding port, the box body is provided with a box cover for covering the feeding port on the top of the box body, a heating element for heating the detection plate is provided inside the box cover, a lifting component for driving the box cover to approach or move away from the box body is provided on one side of the box body; a temperature measuring component is provided on the box body for measuring the temperature data on both sides of the detection plate.

[0007] By adopting the above technical scheme, the lifting component drives the box cover to approach the box body, and the box cover and the box body are closed to cover the test plate in a closed manner. The heating element heats the side of the test plate coated with the thermal insulation coating to be tested, and the temperature measuring component measures the temperature on both sides of the test plate, thereby realizing closed detection of the test plate, reducing heat exchange between the test plate and the outside air during the detection process, and reducing the impact of external factors on the detection of the test plate, thereby improving the accuracy of coating detection.

[0008] Preferably, the lifting assembly includes a fixed frame, a guide rod, a lifting screw, a moving block and a lifting motor; the fixed frame is arranged on the box body, the guide rod is arranged on the fixed frame, the lifting screw is rotatably arranged on the fixed frame, and the length directions of the guide rod and the lifting screw are parallel to each other; the moving block is slidably arranged on the fixed frame, and the moving block is connected to the box cover; the lifting screw passes through the moving block, and the lifting screw is threadedly connected to the moving block; the lifting motor is arranged on the fixed frame to drive the lifting screw to rotate.

[0009] By adopting the above technical solution, the output end of the lifting motor drives the lifting screw to rotate, the rotating lifting screw drives the moving block, and the guide rod limits the moving path of the moving block, so that the moving block drives the box cover to move along the length direction of the guide rod, thereby achieving the purpose of driving the box cover to move closer to or away from the box body.

[0010] Preferably, the temperature measuring component includes a first temperature measuring component, a second temperature measuring component, a control component and a display; the first temperature measuring component, the second temperature measuring component and the display are all electrically connected to the control component; the first temperature measuring component is arranged on the box cover to detect the first temperature data of the area between the box cover and the detection plate; the second temperature measuring component is arranged inside the box body to detect the second temperature data inside the box body; the control component is used to receive the first temperature data and the second temperature data and send them to the display, and the display is arranged on the box body to display the first temperature data and the second temperature data.

[0011] By adopting the above technical solution, the first temperature measuring component measures the temperature of the area between the detection plate and the heating component, and the second temperature component measures the temperature of the area between the detection plate and the box body. The control component receives the first temperature data sent by the first temperature measuring component and the second temperature data sent by the second temperature measuring component, and sends the received data to the display for display, so that the detection personnel can intuitively and clearly know the real-time temperature data on both sides of the detection plate.

[0012] Preferably, a heat insulating pad is provided on the side wall of the mounting ring plate facing the detection plate, and a plurality of pressing components for pressing the detection plate are provided on the box cover along the circumference of the mounting ring plate.

[0013] By adopting the above technical solution, the thermal insulation pad reduces the phenomenon of heat on both sides of the detection plate being transmitted through the contact between the detection plate and the mounting ring plate; the detection plate is stably pressed and fixed on the mounting ring plate by the pressing assembly, and the areas on both sides of the detection plate are separated, thereby reducing the occurrence of air flow in the areas on both sides of the detection plate, thereby further improving the accuracy of thermal insulation coating detection.

[0014] Preferably, the pressing assembly includes a fixed plate, a pressing plate, a guide screw, an elastic member and an adjusting nut; the fixed plate is arranged on the box cover, the pressing plate is arranged on the side of the fixed plate facing the detection plate, the guide screw is arranged on the side wall of the pressing plate facing the fixed plate, and the end of the guide screw away from the pressing plate passes through the fixed plate; the elastic member is arranged between the fixed plate and the pressing plate to drive the pressing plate to press the detection plate through its own elastic force; the adjusting nut is threadedly connected to each group of guide screws, and the adjusting nut is abutted against the side wall of the fixed plate away from the pressing plate.

[0015] By adopting the above technical solution, the elastic member applies a force to the pressing plate to move toward the detection plate through its own elastic force, and cooperates with the movement of the box cover to achieve that when the box cover approaches the box body, the box cover drives the pressing plate to stably press the detection plate; the provision of the elastic member reduces the hard collision between the detection plate and the pressing plate, and reduces the damage caused by the pressing plate to the detection plate; in addition, the universal rotating adjusting nut can adjust the distance between the fixed plate and the pressing plate, so as to adjust the pressing force applied by the pressing plate to the detection plate, thereby adapting to detection plates with different thicknesses of the pressing plate.

[0016] Preferably, a vent is formed through the box body, an exhaust fan for ventilation is arranged inside the vent, and a closing component for closing the vent is arranged on the box body.

[0017] By adopting the above technical scheme, when the thermal insulation coating on the previous group of test boards is tested, the sealing component cancels the sealing of the vents, and the exhaust fan blows air to the inside of the box through the vents, so that the gas inside the box is exchanged with the gas outside the box, so that the temperature inside the box quickly approaches room temperature, so as to ensure that the initial temperature inside the box tends to be consistent when subsequent test boards are tested, thereby ensuring the accuracy of the thermal insulation coating test; in addition, the temperature inside the box is adjusted by the exhaust fan, which reduces the time waiting for the natural adjustment of the temperature inside the box, and further improves the work efficiency of the thermal insulation coating test; when the test board needs to be tested, the exhaust fan is turned off, and the vents are sealed by the sealing component, thereby ensuring the sealing of the thermal insulation coating on the test board.

[0018] Preferably, the closing assembly comprises a fixing rod, a closing plate and a driving rod; the fixing rods are relatively distributed on both sides of the vent, and the length direction of the fixing rods is parallel to the moving direction of the box cover; the side walls of the two fixing rods facing each other are provided with snap-in notches for sliding the closing plate, and the length direction of the snap-in notches is parallel to the length direction of the fixing rods; the closing plate is slidably inserted into the two groups of snap-in notches, and the closing plate is abutted against the outer side wall of the box body; the driving rod is arranged between the closing plate and the box cover to drive the closing plate to move.

[0019] By adopting the above technical solution and utilizing the movement of the box cover close to or away from the box body, when the box cover is close to the box body and covers the detection plate, the box cover drives the driving rod to drive the closing plate to gradually close the vent to ensure the sealing of the thermal insulation coating on the detection plate; when the box cover is away from the box body and the detection plate needs to be replaced or picked up, the box cover drives the driving rod to drive the closing plate to gradually break away from the closure of the vent, so that the induced draft fan can use the vent to adjust the temperature inside the box body.

[0020] Preferably, the box body is provided with a rotating ring rotatably inside the vent, a plurality of groups of mutually parallel air guide plates are obliquely arranged inside the rotating ring, and a rotating component for driving the rotating ring to rotate is provided on the box body.

[0021] By adopting the above technical solution, the air guide plate guides the air flow entering the interior of the box through the vent, and the rotating assembly drives the rotating ring to drive the air guide plate to rotate, thereby increasing the range of the air flow inside the vent, so as to quickly adjust the temperature of various areas in the box.

[0022] Preferably, the rotating assembly includes a transmission gear ring, a driving gear and a rotating motor; the transmission gear ring is arranged on the rotating ring, the driving gear is rotatably arranged inside the casing, and the driving gear and the transmission gear ring are meshed with each other, and the rotating motor is arranged inside the casing to drive the driving gear to rotate.

[0023] By adopting the above technical solution, the output end of the rotating motor drives the driving gear to rotate, and the rotating driving gear drives the transmission gear ring to rotate, thereby driving the rotating ring to drive the air guide plate to rotate.

[0024] Second, The present application provides a detection process of a radiation insulation coating performance detection device, comprising the following steps: Loading: The lifting assembly drives the box cover away from the box body and places the detection plate on the mounting ring plate; Sealing: The lifting assembly drives the box cover close to the box body, and the box cover and the box body cover the test board in a closed manner; Detection: The heating element heats the detection plate, and the temperature measuring component measures the temperature data on both sides of the detection plate.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: 1. By setting a lifting component to drive the box cover close to the box body, the test plate is covered in a closed manner, the heating element heats the side of the test plate coated with the thermal insulation coating to be tested, and the temperature measuring component measures the temperature on both sides of the test plate, thus realizing the closed test of the test plate, reducing the heat exchange between the test plate and the outside air during the test process, and reducing the impact of external factors on the test plate, thereby improving the accuracy of coating detection; 2. The heat on both sides of the detection plate is reduced by setting the heat insulation pad to spread through the contact between the detection plate and the mounting ring plate; the detection plate is stably pressed and fixed on the mounting ring plate by the pressing assembly, and the areas on both sides of the detection plate are separated, which reduces the air flow in the areas on both sides of the detection plate, and further improves the accuracy of thermal insulation coating detection; 3. By setting the exhaust fan, the temperature inside the box can quickly approach room temperature, so as to ensure that the initial temperature inside the box is consistent when the subsequent test board is tested, thereby ensuring the accuracy of the thermal insulation coating test; in addition, by adjusting the temperature inside the box through the exhaust fan, the time waiting for the temperature inside the box to adjust naturally is reduced, further improving the work efficiency of the thermal insulation coating test. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of a radiation thermal insulation coating performance detection device and its detection process according to an embodiment of the present application.

[0027] Figure 2 It is a cross-sectional diagram used to reflect the internal structure of the box.

[0028] Description of reference numerals: 1. Box body; 10. Detection plate; 11. Material taking port; 12. Mounting ring plate; 121. Insulation pad; 13. Box cover; 131. Heating element; 14. Ventilation port; 141. Induced fan; 15. Rotating ring; 151. Air guide plate; 2. Lifting assembly; 21. Fixed frame; 22. Guide rod; 23. Lifting screw; 24. Moving block; 25. Lifting motor; 3. Temperature measuring assembly; 31. First temperature measuring element; 32. Second temperature measuring element; 33. Control element; 34. Display; 4. Pressing assembly; 41. Fixed plate; 42. Pressing plate; 43. Guide screw; 44. Elastic element; 45. Adjusting nut; 5. Closing assembly; 51. Fixed rod; 511. Clamping notch; 52. Closing plate; 53. Driving rod; 6. Rotating assembly; 61. Transmission gear ring; 62. Driving gear; 63. Rotating motor. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-2 This application is described in further detail.

[0030] The embodiments of the present application disclose a radiation thermal insulation coating performance detection device and a detection process thereof, so as to improve the accuracy of the coating thermal insulation performance detection.

[0031] Reference Figure 1 and Figure 2 A radiation thermal insulation coating performance detection device includes a box body 1 and a feeding port 11 extending through the top of the box body 1. A mounting ring plate 12 is fixedly installed on the inner peripheral wall of the feeding port 11 of the box body 1 for carrying a detection plate 10 coated with the thermal insulation coating to be tested, and the side of the detection plate 10 coated with the thermal insulation coating to be tested faces upward. A box cover 13 for covering the feeding port 11 and the detection plate 10 is installed on the top of the box body 1, and a heating element 131 is installed on the side wall of the box cover 13 facing the detection plate 10. In this embodiment, the heating element 131 can be an electric light bulb for heating the side wall of the detection plate 10 coated with the thermal insulation coating to be tested. A temperature measuring component 3 is installed on the box body 1 for measuring the temperature data on both sides of the detection plate 10.

[0032] Reference Figure 1 and Figure 2 The temperature measuring component 3 includes a first temperature measuring component 31, a second temperature measuring component 32, a control component 33 and a display 34; in the present embodiment, the first temperature measuring component 31 and the second temperature measuring component 32 can both be infrared thermometers, the control component 33 can be a single chip microcomputer controller, the display 34 can be a liquid crystal display screen, and the first temperature measuring component 31, the second temperature measuring component 32 and the display 34 are all electrically connected to the control component 33.

[0033] Reference Figure 1 and Figure 2 The first temperature measuring element 31 is installed inside the box cover 13, and is used to measure the first temperature data of the area between the box cover 13 and the detection plate 10, and send the first temperature data to the control element 33. The second temperature measuring element 32 is installed inside the box body 1, and is used to measure the second temperature data inside the box body 1, and send the second temperature data to the control element 33.

[0034] Reference Figure 1 and Figure 2 The control component 33 receives the first temperature data and the second temperature data, sends the received first temperature data and the second temperature data to the display 34, and displays the real-time first temperature data and the second temperature data through the display 34.

[0035] Reference Figure 1 and Figure 2A lifting assembly 2 is installed on one side of the box body 1 to drive the box cover 13 to move closer to or away from the box body 1. The lifting assembly 2 includes a fixing frame 21, a guide rod 22, a lifting screw 23, a moving block 24 and a lifting motor 25. The fixing frame 21 is fixedly connected to the outer wall of the box body 1 along the vertical direction, the guide rod 22 is fixedly connected to the fixing frame 21, the lifting screw 23 is rotatably connected to the fixing frame 21, and the length directions of the lifting screw 23 and the guide rod 22 are parallel to the height direction of the fixing frame 21.

[0036] Reference Figure 1 and Figure 2 The moving block 24 is sleeved on the lifting screw 23, and the moving block 24 is threadedly connected to the lifting screw 23. One end of the moving block 24 fits the fixed frame 21, and the other end of the moving block 24 is fixedly connected to the box cover 13. The lifting motor 25 is fixedly connected to the fixed frame 21, and the output end of the lifting motor 25 is fixedly connected to the end of the lifting screw 23 to drive the lifting screw 23 to rotate, thereby driving the moving block 24 to drive the box cover 13 to move closer to or away from the box body 1.

[0037] Reference Figure 1 and Figure 2 The side wall of the mounting ring plate 12 facing the detection plate 10 is glued with a heat insulation pad 121. In this embodiment, the heat insulation pad 121 can be made of silicone with good heat insulation performance. A plurality of pressing components 4 are installed on the box cover 13. All pressing components 4 are distributed at intervals along the circumference of the box cover 13 to stably press and fix the detection plate 10 on the mounting ring plate 12.

[0038] Reference Figure 1 and Figure 2 The pressing assembly 4 includes a fixing plate 41, a pressing plate 42, a lead screw 43, an elastic member 44 and an adjusting nut 45; the fixing plates 41 are fixedly connected to the box cover 13, and the lead screws 43 are inserted into the fixing plates 41. In this embodiment, the adjusting nuts 45 and the lead screws 43 are respectively arranged one by one, and each set of adjusting nuts 45 is threadedly connected to the corresponding lead screw 43, and the side wall of each set of adjusting nuts 45 abuts against the side wall of the fixing plate 41 away from the detection plate 10.

[0039] Reference Figure 1 and Figure 2The pressing plate 42 is fixedly connected to the end of the guide screw 43 facing the detection plate 10, and the elastic member 44 is sleeved on each group of the guide screws 43. In this embodiment, the elastic member 44 is a spring; one end of the elastic member 44 abuts against the side wall of the pressing plate 42 facing the fixed plate 41, and the other end of the elastic member 44 abuts against the side wall of the fixed plate 41 facing the pressing plate 42, so that the elastic force of the elastic member 44 drives the pressing plate 42 to move toward the detection plate 10, and then with the help of the tendency of the box cover 13 to move toward the detection plate 10, the pressing plate 42 presses the detection plate 10.

[0040] Reference Figure 1 and Figure 2 The side wall of the box body 1 is penetrated with a vent 14, and an exhaust fan 141 is installed inside the vent 14 to guide the airflow outside the box body 1 to the inside of the box body 1. A closing assembly 5 is installed on the box body 1 to close the vent 14. The closing assembly 5 includes a fixing rod 51, a closing plate 52 and a driving rod 53; the driving rod 53 is fixedly connected to the side wall of the box cover 13, and the closing plate 52 is fixedly connected to the end of the driving rod 53 facing the box body 1. The side wall of the closing plate 52 is in contact with the outer side wall of the box body 1, so as to close the vent 14.

[0041] Reference Figure 1 and Figure 2 The fixing rods 51 are fixedly connected to the outer side wall of the box body 1, and the fixing rods 51 are relatively distributed on both sides of the closing plate 52. The side walls facing each other of the two sets of fixing rods 51 are provided with a clamping notch 511, and the length direction of the clamping notch 511 is parallel to the sliding direction of the closing plate 52, so that the closing plate 52 can slide into and guide the sliding direction of the closing plate 52.

[0042] Reference Figure 1 and Figure 2 A rotating ring 15 is rotatably installed at the end of the vent 14 away from the closing plate 52, and a plurality of groups of air guide plates 151 are connected to the inside of the rotating ring 15 through a rotating shaft. All of the air guide plates 151 are distributed at inclined intervals along the radial direction of the rotating ring 15, and all of the air guide plates 151 are parallel to each other to guide the airflow inside the vent 14.

[0043] Reference Figure 1 and Figure 2, a rotating assembly 6 is installed on the housing 1 to drive the rotating ring 15 to rotate. The rotating assembly 6 includes a transmission gear ring 61, a driving gear 62 and a rotating motor 63; the transmission gear ring 61 is fixedly sleeved on the peripheral wall of the rotating ring 15, the rotating motor 63 is fixedly connected to the housing 1, the driving gear 62 is fixedly sleeved on the output end of the rotating motor 63, and the driving gear 62 and the transmission gear ring 61 are meshed with each other, and the output end of the rotating motor 63 drives the driving gear 62 to rotate, thereby driving the rotating ring 15 to drive the air guide plate 151 to rotate.

[0044] The implementation principle of a radiation insulation coating performance detection device in the embodiment of the present application is: The test personnel place the test plate 10 coated with the thermal insulation coating to be tested on the mounting ring plate 12, and the side of the test plate 10 coated with the thermal insulation coating to be tested faces the box cover 13. The output end of the control lifting motor 25 drives the lifting screw 23 to rotate, so that the moving block 24 drives the box cover 13 to gradually approach the box body 1, and the box cover 13 covers the test plate 10 on the box body 1, and the box cover 13 and the box body 1 are closed, so that the test plate 10 is in a closed state, reducing the influence of the external air flow on the test process, thereby improving the accuracy of the thermal insulation performance test of the coating.

[0045] The heating element 131 is controlled to heat the side of the test plate 10 coated with the thermal insulation coating to be tested, and the temperature data on both sides of the test plate 10 are detected by using the first temperature measuring element 31 and the second temperature measuring element 32, and sent to the display 34 for display through the control element 33, so that the test personnel can know the temperature conditions on both sides of the test plate 10 quickly and conveniently, and further improve the work efficiency of the thermal insulation performance detection of the coating.

[0046] The present application also discloses a detection process of a radiation insulation coating performance detection device, comprising the following steps: Loading: The lifting assembly 2 drives the box cover 13 away from the box body 1, and an area for the test board 10 to pass through is gradually vacated between the box body 1 and the box cover 13. The tester places the test board 10 coated with the thermal insulation coating to be tested on the mounting ring plate 12, and the side of the test board 10 coated with the thermal insulation coating to be tested faces the box cover 13; Closing: the lifting assembly 2 drives the box cover 13 to approach the box body 1, and the box body 1 and the box cover 13 gradually close together, and the box cover 13 and the box body 1 cover the detection board 10 in a closed manner; Detection: The heating element 131 releases heat to heat the side of the detection plate 10 coated with the thermal insulation coating to be tested, and the temperature measuring component 3 measures the temperature data on both sides of the detection plate 10.

[0047] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A radiation insulation coating performance detection device, characterized in that: The invention comprises a box body (1) and a material taking port (11) extending through the top of the box body (1); a mounting ring plate (12) for carrying a detection plate (10) is arranged inside the material taking port (11) of the box body (1); a box cover (13) for covering the material taking port (11) is arranged on the top of the box body (1); a heating element (131) for heating the detection plate (10) is arranged inside the box cover (13); a lifting component (2) for driving the box cover (13) to move closer to or away from the box body (1) is arranged on one side of the box body (1); and a temperature measuring component (3) is arranged on the box body (1) for measuring temperature data on both sides of the detection plate (10).

2. A radiation insulation coating performance detection device according to claim 1, characterized in that: The lifting assembly (2) comprises a fixed frame (21), a guide rod (22), a lifting screw (23), a moving block (24) and a lifting motor (25); the fixed frame (21) is arranged on the box body (1), the guide rod (22) is arranged on the fixed frame (21), the lifting screw (23) is rotatably arranged on the fixed frame (21), and the length directions of the guide rod (22) and the lifting screw (23) are parallel to each other; the moving block (24) is slidably arranged on the fixed frame (21), and the moving block (24) is connected to the box cover (13); the lifting screw (23) passes through the moving block (24), and the lifting screw (23) is threadedly connected to the moving block (24); the lifting motor (25) is arranged on the fixed frame (21) to drive the lifting screw (23) to rotate.

3. A radiation insulation coating performance detection device according to claim 1, characterized in that: The temperature measuring component (3) comprises a first temperature measuring element (31), a second temperature measuring element (32), a control element (33) and a display (34); the first temperature measuring element (31), the second temperature measuring element (32) and the display (34) are all electrically connected to the control element (33); the first temperature measuring element (31) is arranged on the box cover (13) to detect first temperature data of the area between the box cover (13) and the detection plate (10); the second temperature measuring element (32) is arranged inside the box body (1) to detect second temperature data inside the box body (1); the control element (33) is used to receive the first temperature data and the second temperature data and send them to the display (34); the display (34) is arranged on the box body (1) to display the first temperature data and the second temperature data.

4. A radiation insulation coating performance detection device according to claim 1, characterized in that: A heat insulating pad (121) is arranged on the side wall of the mounting ring plate (12) facing the detection plate (10), and a plurality of groups of pressing components (4) for pressing the detection plate (10) are arranged on the box cover (13) along the circumference of the mounting ring plate (12).

5. A radiation insulation coating performance detection device according to claim 4, characterized in that: The pressing assembly (4) comprises a fixing plate (41), a pressing plate (42), a guide screw (43), an elastic member (44) and an adjusting nut (45); the fixing plate (41) is arranged on the box cover (13), the pressing plate (42) is arranged on the side of the fixing plate (41) facing the detection plate (10), the guide screw (43) is arranged on the side wall of the pressing plate (42) facing the fixing plate (41), and the end of the guide screw (43) away from the pressing plate (42) passes through the fixing plate (41); the elastic member (44) is arranged between the fixing plate (41) and the pressing plate (42) to drive the pressing plate (42) to press the detection plate (10) through its own elastic force; the adjusting nut (45) is threadedly connected to each group of the guide screws (43), and the adjusting nut (45) abuts against the side wall of the fixing plate (41) away from the pressing plate (42).

6. A radiation insulation coating performance detection device according to claim 1, characterized in that: The box body (1) is provided with a ventilation opening (14) extending through the box body (1), an exhaust fan (141) for ventilation is provided inside the ventilation opening (14), and a closing component (5) for closing the ventilation opening (14) is provided on the box body (1).

7. A radiation insulation coating performance detection device according to claim 6, characterized in that: The closing assembly (5) comprises a fixing rod (51), a closing plate (52) and a driving rod (53); the fixing rods (51) are relatively distributed on both sides of the ventilation opening (14), and the length direction of the fixing rods (51) is parallel to the moving direction of the box cover (13); the side walls of the two fixing rods (51) facing each other are each provided with a clamping notch (511) for sliding the closing plate (52), and the length direction of the clamping notch (511) is parallel to the length direction of the fixing rod (51); the closing plate (52) is slidably inserted into the two groups of clamping notches (511), and the closing plate (52) abuts against the outer wall of the box body (1); the driving rod (53) is arranged between the closing plate (52) and the box cover (13) to drive the closing plate (52) to move.

8. A radiation heat insulation coating performance detection device according to claim 6, characterized in that: The box body (1) is provided with a rotating ring (15) inside the ventilation opening (14) for rotation, and a plurality of groups of mutually parallel air guide plates (151) are obliquely provided inside the rotating ring (15). The box body (1) is provided with a rotating assembly (6) for driving the rotating ring (15) to rotate.

9. A radiation insulation coating performance detection device according to claim 8, characterized in that: The rotating assembly (6) comprises a transmission gear ring (61), a driving gear (62) and a rotating motor (63); the transmission gear ring (61) is arranged on the rotating ring (15); the driving gear (62) is rotatably arranged inside the housing (1), and the driving gear (62) and the transmission gear ring (61) are meshed with each other; the rotating motor (63) is arranged inside the housing (1) to drive the driving gear (62) to rotate.

10. A detection process of the radiation heat insulation coating performance detection device according to any one of claims 1 to 9, characterized in that: The steps include: Loading: The lifting assembly (2) drives the box cover (13) away from the box body (1) and places the detection plate (10) on the mounting ring plate (12); Closing: the lifting assembly (2) drives the box cover (13) to approach the box body (1), and the box cover (13) and the box body (1) cover the detection plate (10) in a closed manner; Detection: The heating element (131) heats the detection plate (10), and the temperature measurement component (3) measures the temperature data on both sides of the detection plate (10).

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