Device for detecting performance of building thermal insulation material
By using a combination of electric guide rails and sealing plates in the performance testing device for building thermal insulation materials, the problem of insufficient sealing is solved, enabling accurate testing of materials of different sizes and ensuring the stability and reliability of the test results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGSHU DONGNAN ENG QUALITY TESTING CO LTD
- Filing Date
- 2025-03-06
- Publication Date
- 2026-04-21
AI Technical Summary
In the use of existing building material thermal insulation performance testing devices, the sealing between the building materials and the testing frame is insufficient, leading to convection of hot and cold gases, which seriously affects the accuracy of the test results.
The system employs a combination design of a first electric guide rail, a drive motor, and a sealing plate. The sealing plate secures the building materials to both sides and ends, while a compression spring adjusts the extension length of the sealing plate to create a relatively sealed testing space. Temperature sensors are used for temperature detection and comparison to ensure the accuracy of the testing.
It improves the accuracy and stability of thermal insulation performance testing of building materials, adapts to the testing needs of materials of different sizes, ensures no crossflow of hot and cold gases, and enhances the reliability of test results.
Smart Images
Figure CN224152394U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of performance testing technology for building thermal insulation materials, specifically a device for testing the performance of building thermal insulation materials. Background Technology
[0002] With the development of new building materials, the requirements for thermal insulation performance of newly constructed buildings are becoming increasingly stringent. Since the heat exchange of materials accounts for a large proportion of the overall heat exchange in a building, the thermal insulation performance of these materials has become a crucial indicator and an important aspect of building engineering testing.
[0003] As indicated by announcement number CN215812532U, a device for testing the thermal insulation performance of building materials is described. This device includes a testing frame with a horizontal heating roller on its inner wall. Inner rods are fixed to the inner walls on both sides of the testing frame at the lower end of the heating roller. A slide is slidably connected to the outer wall of the inner rod. A cam is contacted and connected to the side wall of the slide. The cam is centrifugally fixed to a rotating shaft, which is driven to rotate by a motor. Connecting blocks are fixed to the close-to-each end faces of the slides. A fixing rod is threaded through and connected to the upper end face of each connecting block. The fixing rod is contacted and connected to both ends of the material.
[0004] The aforementioned device suffers from insufficient sealing between the building materials and the testing frame during use. The sealing between the building materials and the testing frame is one of the important factors determining the accuracy of the test results. When the sealing between the building materials and the testing frame is insufficient, it will cause convection of hot and cold gases, which will seriously affect the test results. Therefore, we propose a performance testing device for building thermal insulation materials to solve the problems mentioned above. Utility Model Content
[0005] The purpose of this utility model is to provide a performance testing device for building thermal insulation materials, in order to solve the problem mentioned in the background art of insufficient sealing between building materials and testing frame during use. The sealing between building materials and testing frame is one of the important factors determining the accuracy of test results. When the sealing between building materials and testing frame is insufficient, it will cause convection of hot and cold gases, which will seriously affect the test results.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a performance testing device for building thermal insulation materials, comprising a heat insulation box, wherein first electric guide rails are installed at both ends of the middle part of the heat insulation box, a first drive motor is installed on one side of the first electric guide rails through the heat insulation box, first sliders are symmetrically installed inside the first electric guide rails, wherein a first sealing plate is installed on the top between the two first sliders on the same side, second electric guide rails are installed on both sides of the top of the first electric guide rails, a second drive motor is installed at one end of the second electric guide rails through the heat insulation box, a second slider is installed inside the second electric guide rails, a second sealing plate is installed on the top of the second slider, and a sealing door is connected to both sides of one end of the heat insulation box by hinges.
[0007] Preferably, the bottom of the heat insulation box is provided with a through hole, the inner bottom of the heat insulation box is equipped with a mounting bracket, the inner top of the mounting bracket is equipped with a fifth drive motor, the output shaft of the fifth drive motor is equipped with a fan blade, the top of the mounting bracket is equipped with a duct, the inside of the duct is equipped with a heating wire, the top of the duct is equipped with an air outlet plate, and the inside of the air outlet plate is provided with several sets of air outlet holes.
[0008] Preferably, the interior of both sides of the second sealing plate is provided with built-in grooves, and multiple sets of compression springs are installed inside the built-in grooves. A third sealing plate is installed on the other side of the compression springs.
[0009] Preferably, lead screws are installed at both ends of the upper part of the heat insulation box. The two sides of the lead screws pass through the first sealing plate and are fixedly connected to the inner wall of the heat insulation box. A third drive motor is installed on one side of the lead screw through the heat insulation box. A third slider is threaded to the outer wall of the lead screw. A third electric guide rail is installed between the two third sliders. A fourth drive motor is installed at one end of the third electric guide rail. A fourth slider is installed at the other end of the third electric guide rail. A hydraulic cylinder is installed at the bottom of the fourth slider. A temperature sensor is installed at the bottom of the hydraulic cylinder.
[0010] Preferably, an air inlet pipe is installed on the top of the heat insulation box, a valve is installed on one side of the air inlet pipe, a hot air box is installed on the top of the air inlet pipe, and a fan is installed on the top of the hot air box.
[0011] Preferably, a handle is installed on one side of the outer wall of the sealed door, and an observation window is provided on the other side of the sealed door.
[0012] Preferably, the bottom of the heat insulation box is equipped with support legs around its perimeter.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] (1) This utility model uses the combined action of the first electric guide rail, the first drive motor and the first slider to drive the first sealing plates on both sides to move closer to each other until they are in contact with the building material. The first sealing plates can fix the two sides of the building material. The combined action of the second electric guide rail, the second drive motor and the second slider can drive the second sealing plate to move closer to the building material until they are in contact. The second sealing plate and the sealing door can fix the two ends of the building material. The compression spring can adjust the extension length of the third sealing plate according to the distance between the two first sealing plates, so that the device can easily test the thermal insulation performance of building materials of different sizes. The combined action of the first sealing plate, the second sealing plate, the third sealing plate and the sealing door can provide a relatively sealed space for the building material, thereby effectively improving the accuracy of the test results. It solves the problem of insufficient sealing between the building material and the test frame in the existing building material thermal insulation performance testing device. The sealing between the building material and the test frame is one of the important factors that determine the accuracy of the test results. When the sealing between the building material and the test frame is insufficient, it will cause the convection of hot and cold gases, which will seriously affect the test results.
[0015] (2) The combined action of the lead screw, the third drive motor and the third slider facilitates the adjustment of the horizontal position of the third electric guide rail. The combined action of the third electric guide rail and the fourth drive motor facilitates the adjustment of the front and rear position of the fourth slider, thereby facilitating the adjustment of the horizontal position of the temperature sensor. The vertical height of the temperature sensor can be adjusted by the hydraulic cylinder, thus facilitating the detection of the temperature at any position above the building material by adjusting the position of the temperature sensor. It is flexible in use and can effectively improve the stability of the detection results.
[0016] (3) The fan blades are driven to rotate by the fifth drive motor. The fan blades draw cold air from the outside into the air duct. The air is heated by the heating wire and discharged to the lower side of the building material. The hot air is evenly sprayed onto the building material through the air outlet plate, so that the building material is heated evenly. The temperature of the upper surface of the building material is detected by the temperature sensor and compared with the preset temperature to realize the detection of the heat insulation performance of the building material.
[0017] (4) Open the valve and use the fan to draw the cold air from outside into the hot air box for heating. The heated air enters the insulation box through the air inlet pipe and heats the space above the building materials. The temperature is detected by the temperature sensor. Start the fifth drive motor and drive the fan blades to rotate. The fan blades draw the cold air from outside into the air duct and discharge it to the lower side of the building materials. The temperature is detected again by the temperature sensor. The thermal insulation performance of the building materials can be tested by comparing the two temperatures. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a front cross-sectional view of the present invention.
[0020] Figure 3 This is a schematic diagram of the right-side cross-sectional structure of the present invention. Figure 1 ;
[0021] Figure 4 This is a top cross-sectional view of the present invention.
[0022] Figure 5 This is a schematic diagram of the right-side cross-sectional structure of the present invention. Figure 2 ;
[0023] In the diagram: 1. Insulation box; 2. Through hole; 3. Mounting bracket; 4. Fifth drive motor; 5. Fan blade; 6. Air duct; 7. Heating wire; 8. Air outlet plate; 9. First electric guide rail; 10. First drive motor; 11. First slider; 12. First sealing plate; 13. Second electric guide rail; 14. Second drive motor; 15. Second slider; 16. Second sealing plate; 17. Internal groove; 18. Compression spring; 19. Third sealing plate; 20. Lead screw; 21. Third drive motor; 22. Third slider; 23. Third electric guide rail; 24. Fourth drive motor; 25. Fourth slider; 26. Hydraulic cylinder; 27. Temperature sensor; 28. Air inlet duct; 29. Valve; 30. Hot air box; 31. Fan; 32. Sealing door; 33. Handle; 34. Observation window; 35. Support leg. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0025] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5This utility model provides an embodiment of a device for testing the performance of building thermal insulation materials, comprising an insulation box 1. Two first electric guide rails 9 are installed at both ends of the middle section of the insulation box 1. A first drive motor 10 is installed on one side of the first electric guide rail 9 through the insulation box 1. First sliders 11 are symmetrically installed inside the first electric guide rails 9. A first sealing plate 12 is installed at the top between two first sliders 11 on the same side. Second electric guide rails 13 are installed on both sides of the top of the first electric guide rails 9. A second drive motor 14 is installed at one end of the second electric guide rail 13 through the insulation box 1. A second slider 15 is installed inside the second electric guide rail 13. A second sealing plate 16 is installed on the top of the second slider 15. The interior of the second sealing plate 16 has internally arranged... The built-in groove 17 contains multiple sets of compression springs 18. A third sealing plate 19 is installed on the other side of each compression spring 18. A sealing door 32 is connected to both sides of one end of the insulation box 1 via hinges. The building material to be tested is placed on top of the second electric guide rail 13, and the sealing door 32 is closed. The first drive motor 10 is started. The first drive motor 10 drives the first sliders 11 on both sides to move closer together via the first electric guide rail 9, thereby driving the first sealing plates 12 on both sides to move closer together until they are in contact with the building material. The first sealing plates 12 can fix the two sides of the building material. The second drive motor 14 is started. The second drive motor 14 drives the second slider 15 to move closer to the building material via the second electric guide rail 13, thereby driving the second... The sealing plate 16 approaches the building material until it is in contact with it. The two ends of the building material can be fixed by the second sealing plate 16 and the sealing door 32. The extension length of the third sealing plate 19 can be adjusted by the compression spring 18 according to the distance between the two first sealing plates 12, thus facilitating the testing of the thermal insulation performance of building materials of different sizes. The combined action of the first sealing plate 12, the second sealing plate 16, the third sealing plate 19, and the sealing door 32 provides a relatively sealed space for the building material, effectively improving the accuracy of the test results. Screw rods 20 are installed at both ends of the upper part of the insulation box 1. The two sides of the screw rods 20 pass through the first sealing plates 12 and are fixedly connected to the inner wall of the insulation box 1. One side of the screw rods 20 is installed through the insulation box 1. A third drive motor 21 is provided. A third slider 22 is threaded onto the outer wall of a lead screw 20. A third electric guide rail 23 is installed between the two third sliders 22. A fourth drive motor 24 is installed at one end of the third electric guide rail 23, and a fourth slider 25 is installed at the other end. A hydraulic cylinder 26 is installed at the bottom of the fourth slider 25, and a temperature sensor 27 is installed at the bottom of the hydraulic cylinder 26. The combined action of the lead screw 20, the third drive motor 21, and the third slider 22 facilitates the adjustment of the horizontal position of the third electric guide rail 23. The combined action of the third electric guide rail 23 and the fourth drive motor 24 facilitates the adjustment of the forward and backward position of the fourth slider 25, thereby facilitating the adjustment of the horizontal position of the temperature sensor 27.The vertical height of the temperature sensor 27 can be adjusted by the hydraulic cylinder 26, facilitating temperature detection at any position above the building material through sensor 27 adjustment, effectively improving the accuracy of the detection results. The bottom of the insulation box 1 has a through hole 2. A mounting bracket 3 is installed at the bottom of the insulation box 1. A fifth drive motor 4 is installed at the top of the mounting bracket 3. Fan blades 5 are installed on the output shaft of the fifth drive motor 4. A duct 6 is installed at the top of the mounting bracket 3. Heating wires 7 are installed inside the duct 6. An air outlet plate 8 is installed at the top of the duct 6, with several sets of air outlet holes inside. When the fifth drive motor 4 is started, it drives the fan blades 5 to rotate, drawing cold air from outside into the duct 6. The heating wires 7 heat the air, which is then discharged to the underside of the building material. The air outlet plate 8 facilitates the even spraying of hot air onto the building material, ensuring uniform heating. The thermal insulation performance of the building materials can be tested by detecting the temperature of the upper surface of the building materials through temperature sensor 27 and comparing it with a preset temperature. An air inlet pipe 28 is installed on the top of the insulation box 1, a valve 29 is installed on one side of the air inlet pipe 28, a hot air box 30 is installed on the top of the air inlet pipe 28, and a fan 31 is installed on the top of the hot air box 30. Opening the valve 29 allows the fan 31 to draw in cold air from outside into the hot air box 30 for heating. The heated air then enters the insulation box 1 through the air inlet pipe 28 and heats the space above the building materials. The temperature is detected by temperature sensor 27. The fifth drive motor 4 is then activated, driving the fan blades 5 to rotate. The fan blades 5 draw in cold air from outside into the air duct 6 and discharge it to the lower side of the building materials. The temperature is detected again by temperature sensor 27. By comparing the two temperatures, the thermal insulation performance of the building materials can be tested.
[0026] Please see Figure 1 A handle 33 is installed on one side of the outer wall of the sealed door 32, which facilitates the opening and closing of the sealed door 32. An observation window 34 is provided on the other side of the sealed door 32. The observation window 34 is made of transparent glass, which facilitates the observation of the building materials inside the heat insulation box 1 and avoids damage to the building materials that may affect the test results.
[0027] Please see Figure 2 Support legs 35 are installed around the bottom of the heat insulation box 1. The support legs 35 provide stable support for the heat insulation box 1, which can improve the stability of the heat insulation box 1. At the same time, the support legs 35 facilitate the entry of external air into the heat insulation box 1 through the through hole 2, thereby ensuring the stable conduct of the test.
[0028] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A device for detecting the performance of a building thermal insulation material, comprising a thermal insulation box (1), characterized in that: The heat insulation box (1) is equipped with two ends of the middle part of the first electric guide rail (9). A first drive motor (10) is installed on one side of the first electric guide rail (9) through the heat insulation box (1). A first slider (11) is symmetrically installed inside the first electric guide rail (9). A first sealing plate (12) is installed on the top between the two first sliders (11) on the same side. A second electric guide rail (13) is installed on both sides of the top of the first electric guide rail (9). A second drive motor (14) is installed on one end of the second electric guide rail (13) through the heat insulation box (1). A second slider (15) is installed inside the second electric guide rail (13). A second sealing plate (16) is installed on the top of the second slider (15). A sealing door (32) is connected to the hinges on both sides of one end of the heat insulation box (1).
2. The building thermal insulation material performance detection device according to claim 1, characterized in that: The bottom of the heat insulation box (1) is provided with a through hole (2). The bottom of the heat insulation box (1) is equipped with a mounting bracket (3). The top of the mounting bracket (3) is equipped with a fifth drive motor (4). The output shaft of the fifth drive motor (4) is equipped with a fan blade (5). The top of the mounting bracket (3) is equipped with a duct (6). The inside of the duct (6) is equipped with an electric heating wire (7). The top of the duct (6) is equipped with an air outlet plate (8). The inside of the air outlet plate (8) is provided with several sets of air outlet holes.
3. The building thermal insulation material performance detection device according to claim 1, characterized in that: The second sealing plate (16) has built-in grooves (17) on both sides, and multiple sets of compression springs (18) are installed inside the built-in grooves (17). A third sealing plate (19) is installed on the other side of the compression springs (18).
4. The building thermal insulation material performance detection device according to claim 1, characterized in that: The upper part of the heat insulation box (1) is equipped with lead screws (20) at both ends. The two sides of the lead screws (20) pass through the first sealing plate (12) and are fixedly connected to the inner wall of the heat insulation box (1). A third drive motor (21) is installed on one side of the lead screws (20) through the heat insulation box (1). A third slider (22) is threadedly connected to the outer wall of the lead screws (20). A third electric guide rail (23) is installed between the two third sliders (22). A fourth drive motor (24) is installed at one end of the third electric guide rail (23). A fourth slider (25) is installed at the other end of the third electric guide rail (23). A hydraulic cylinder (26) is installed at the bottom of the fourth slider (25). A temperature sensor (27) is installed at the bottom of the hydraulic cylinder (26).
5. The building thermal insulation material performance detection device according to claim 1, characterized in that: An air inlet pipe (28) is installed on the top of the heat insulation box (1). A valve (29) is installed on one side of the air inlet pipe (28). A hot air box (30) is installed on the top of the air inlet pipe (28). A fan (31) is installed on the top of the hot air box (30).
6. The building thermal insulation material performance detection device according to claim 1, characterized in that: A handle (33) is installed on one side of the outer wall of the sealed door (32), and an observation window (34) is provided on the other side of the sealed door (32).
7. The performance testing device for building thermal insulation materials according to claim 1, characterized in that: Support legs (35) are installed around the bottom of the heat insulation box (1).