A temperature test chamber air duct system

By introducing mounting brackets and vibration devices into the temperature test chamber, combined with an inclined collection structure and a blowing structure, the problem of difficult dust cleaning of heating pipes and evaporators in the air duct system is solved, realizing automated dust cleaning and maintaining airtightness.

CN224405159UActive Publication Date: 2026-06-26SHENZHEN DINGZHUN ELECTRONICS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN DINGZHUN ELECTRONICS CO LTD
Filing Date
2025-07-16
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

In the existing temperature test chamber's air duct system, dust easily accumulates on the heating tubes and evaporator surfaces, making cleaning difficult.

Method used

Design a duct system that includes a mounting bracket and a vibration device. A cam driven by a vibration motor pushes a pusher plate, causing the heating tube and evaporator to vibrate and dust to fall off. It is also equipped with an inclined collection structure and a blowing structure for automatic dust collection and cleaning.

Benefits of technology

It enables convenient cleaning of dust from heating elements and evaporators, avoiding the complexity of manual cleaning and maintaining the airtightness of the test chamber.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224405159U_ABST
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Abstract

The application relates to the technical field of temperature test boxes, in particular to a wind channel system of a temperature test box, which comprises a test box body, two installation supports arranged at the deepest part inside the test box body, an evaporator and a heating pipe respectively installed on the two installation supports and a volute installed on the top surface inside the test box body and located directly above the installation supports, the two installation supports are arranged in parallel from top to bottom, the evaporator and the heating pipe are slidably connected to the installation supports, vibration devices for vibrating the evaporator and the heating pipe are arranged on the two sides of the evaporator and the heating pipe, when a worker needs to clean dust on the evaporator and the heating pipe, only needs to start the vibration devices, so that the evaporator and the heating pipe slide left and right on the installation supports, so that the evaporator and the heating pipe vibrate, so that the dust on the evaporator and the heating pipe falls off due to the vibration of the evaporator and the heating pipe, so that the worker can clean the dust on the evaporator and the heating pipe more conveniently.
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Description

Technical Field

[0001] This application relates to the technical field of temperature test chambers, and in particular to an air duct system for a temperature test chamber. Background Technology

[0002] The air duct system of the temperature test chamber mainly consists of an evaporator installed at the deepest part of the chamber, a heating tube installed directly above the evaporator, and a volute installed on the top surface of the chamber directly above the evaporator. A condenser connected to the evaporator is installed on the back of the chamber. To increase the temperature inside the chamber, simply activate the heating tube to release hot air. The released hot air is drawn into the volute and then discharged, allowing the hot air to diffuse downwards from the top of the chamber. To decrease the temperature inside the chamber, simply activate the condenser.

[0003] However, after prolonged use, dust easily accumulates on the surface of the heating tubes and evaporators. Since the air duct system is located at the deepest part of the temperature test chamber, it is difficult for staff to clean the heating tubes and evaporators. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this application is to provide an air duct system for a temperature test chamber, which solves the technical problem of inconvenient cleaning of heating tubes and evaporators in existing air duct systems.

[0005] The above-mentioned objective of this application is achieved through the following technical solution: a duct system for a temperature test chamber, comprising a test chamber body, two mounting brackets disposed at the deepest part of the test chamber body, an evaporator and a heating tube respectively mounted on the two mounting brackets, and a volute located directly above the mounting brackets and mounted on the top surface inside the test chamber body. The two mounting brackets are arranged parallel to each other vertically. The evaporator and the heating tube are slidably connected to the mounting brackets. Vibration devices for vibrating the evaporator and the heating tube are provided on both sides of the evaporator and the heating tube.

[0006] Furthermore, the mounting bracket includes two opposing support rods with a gap between them and a sliding groove formed on the upper surface of the support rods along the length of the support rods. The bottom surfaces of the evaporator and the heating tube are both fixed with sliding plates, and the evaporator and the heating tube are slidably connected to the support rods through the sliding plates.

[0007] Furthermore, the vibration device includes a rebound plate slidably connected to a support rod on one side of the evaporator and heating tube; a support spring on the side of the rebound plate away from the evaporator and heating tube for pushing the rebound plate back; a push plate slidably connected to the support rod on the other side of the evaporator and heating tube; a vibration motor located on the side of the push plate away from the rebound plate and mounted on the inner side of the test chamber body; and a cam mounted on the output end of the vibration motor for intermittently pushing the push plate closer to the evaporator and heating tube. The rebound plate and the push plate are provided with connecting pieces on their front and rear sides. The rebound plate and the push plate are slidably connected to the support rod through the connecting pieces. The rebound plate and the push plate are located between two support rods in the mounting bracket and pass through the two mounting brackets. One end of the support spring is fixedly connected to the side wall of the test chamber body, and the other end abuts against the rebound plate.

[0008] By adopting the above technical solution, when workers need to clean the dust on the evaporator and heating tubes, they only need to start the vibration motor. The output end of the vibration motor rotates, causing the cam to intermittently push the push plate. When the push plate is pushed by the cam, the push plate will push the evaporator and heating tubes closer to the rebound plate, causing the evaporator and heating tubes to push the rebound plate to compress the support spring. Then the support spring will push the rebound plate to rebound, causing the rebound plate to push the evaporator and heating tubes closer to the push plate. Then the cam will push the push plate again to repeat the above steps, causing the evaporator and heating tubes to vibrate. As a result, the dust on the evaporator and heating tubes will fall off due to the vibration, making it much more convenient for workers to clean the dust on the evaporator and heating tubes.

[0009] Furthermore, the bottom surface of the test chamber is provided with a dust collection structure located directly below the evaporator, which facilitates dust collection by staff.

[0010] Furthermore, the collection structure includes an inclined block fixedly connected to the test chamber body directly below the evaporator, and a collection port opened on the side of the test chamber body near the lowest point of the inclined block and penetrating the test chamber body, with the inclined surface of the inclined block facing the evaporator.

[0011] While the installation bracket and vibration device make it easier for staff to clean the dust on the evaporator and heating tubes, the dust that falls off the evaporator and heating tubes after vibration still concentrates on the bottom surface of the test chamber. Staff still need to go inside the test chamber to clean and collect it. The collection structure solves this technical problem. With the collection structure, the dust that falls off the evaporator and heating tubes after vibration will fall onto the inclined surface of the inclined block. At this time, staff only need to sweep the dust along the inclined surface into the collection port, and then sweep it out of the test chamber through the collection port, making it more convenient for staff to clean the dust.

[0012] Furthermore, a collection box is provided on the outside of the side of the test chamber body where the collection port is located, and the collection box is connected to the collection port.

[0013] While the above-mentioned technical solution makes it easier for staff to clean dust out of the test chamber, it also risks leakage of gas from inside the test chamber. The collection box solves this problem by allowing dust swept out of the collection port to fall into it. Staff can simply open the collection box to remove dust and close it when using the test chamber. This ensures that the test chamber's airtightness is not compromised even when dust is easily removed from the chamber.

[0014] Furthermore, the test chamber body is provided with a blowing structure on the side near the highest point of the inclined block, which allows dust to automatically fall into the collection port.

[0015] Furthermore, the blowing structure includes a storage opening located on the side of the test chamber body near the highest point of the inclined block and above the inclined block, and a blower installed inside the storage opening with its blowing surface facing the inclined block.

[0016] By adopting the above technical solution, the blower can blow the dust on the inclined block along the inclined surface of the inclined block and into the collection port, making it more convenient for staff to clean the dust.

[0017] In summary, this application includes at least one of the following beneficial technical effects:

[0018] By installing the bracket and vibration device, when workers need to clean the dust on the evaporator and heating tubes, they only need to start the vibration motor. The output end of the vibration motor rotates, causing the cam to intermittently push the push plate. When the push plate is pushed by the cam, it pushes the evaporator and heating tubes closer to the rebound plate, causing the evaporator and heating tubes to push the rebound plate to compress the support spring. Then the support spring pushes the rebound plate back, causing the rebound plate to push the evaporator and heating tubes closer to the push plate. Then the cam pushes the push plate again to repeat the above steps, causing the evaporator and heating tubes to vibrate. As a result, the dust on the evaporator and heating tubes falls off due to the vibration, making it more convenient for workers to clean the dust on the evaporator and heating tubes. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the embodiment;

[0020] Figure 2 This is another view of the overall structure of the embodiment;

[0021] Figure 3 yes Figure 2 Enlarged view of section A.

[0022] Reference numerals: 1. Test chamber body; 10. Evaporator; 11. Heating tube; 12. Volute; 2. Vibration device; 20. Rebound plate; 21. Support spring; 22. Push plate; 23. Vibration motor; 24. Cam; 3. Support rod; 30. Slide groove; 31. Connecting piece; 4. Collection structure; 40. Inclined block; 41. Collection port; 42. Collection box; 5. Blowing structure; 50. Storage port; 51. Blowing fan. Detailed Implementation

[0023] The present application will be further described in detail below with reference to the accompanying drawings.

[0024] Example, refer to Figure 1 , Figure 2 , Figure 3A duct system for a temperature test chamber includes a test chamber body 1, two mounting brackets located at the deepest part of the test chamber body 1, an evaporator 10 and a heating tube 11 respectively mounted on the two mounting brackets, and a volute 12 located directly above the mounting brackets and mounted on the top surface inside the test chamber body 1. The two mounting brackets are arranged parallel to each other vertically. The evaporator 10 and the heating tube 11 are slidably connected to the mounting brackets. Vibration devices 2 for vibrating the evaporator 10 and the heating tube 11 are provided on both sides of the evaporator 10 and the heating tube 11. The mounting brackets include two opposing support rods 3 with a gap between them, and a section formed on the upper surface of the support rods 3 along the length of the support rods 3. The slide groove 30 is provided, and the bottom surfaces of the evaporator 10 and the heating tube 11 are both fixed with sliding plates. The evaporator 10 and the heating tube 11 are slidably connected to the support rod 3 through the sliding plates. The vibration device 2 includes a rebound plate 20 slidably connected to the support rod 3 on one side of the evaporator 10 and the heating tube 11; a support spring 21 on the side of the rebound plate 20 away from the evaporator 10 and the heating tube 11 for pushing the rebound plate 20 to rebound; a push plate 22 slidably connected to the support rod 3 on the other side of the evaporator 10 and the heating tube 11; a vibration motor 23 located on the side of the push plate 22 away from the rebound plate 20 and installed on the inner side of the test chamber body 1; and a vibration motor 23 installed at the output end of the vibration motor 23 for intermittent vibration. The cam 24 intermittently pushes the push plate 22 towards the evaporator 10 and heating tube 11. The rebound plate 20 and the push plate 22 are both equipped with connecting pieces 31 on their front and rear sides. The rebound plate 20 and the push plate 22 are slidably connected to the support rod 3 via the connecting pieces 31. The rebound plate 20 and the push plate 22 are located between the two support rods 3 in the mounting bracket and pass through the two mounting brackets. One end of the support spring 21 is fixedly connected to the side wall of the test chamber body 1, and the other end abuts against the rebound plate 20. When the operator needs to clean the dust on the evaporator 10 and heating tube 11, they only need to start the vibration motor 23. The output end of the vibration motor 23 rotates, causing the cam 24 to intermittently push the push plate 22. When the push plate 22 is pushed by the cam 24, the push plate 22 will push the evaporator 10 and the heating tube 11 closer to the spring plate 20, so that the evaporator 10 and the heating tube 11 push the spring plate 20 to compress the support spring 21. Then the support spring 21 will push the spring plate 20 to spring back, so that the spring plate 20 pushes the evaporator 10 and the heating tube 11 closer to the push plate 22. Then the cam 24 pushes the push plate 22 again to continue repeating the above steps, so that the evaporator 10 and the heating tube 11 vibrate, so that the dust on the evaporator 10 and the heating tube 11 falls off due to the vibration of the evaporator 10 and the heating tube 11. This makes it easier for the staff to clean the dust on the evaporator 10 and the heating tube 11.

[0025] Although the installation bracket and vibration device 2 make it easier for staff to clean the dust on the evaporator 10 and heating tube 11, the dust that falls off the evaporator 10 and heating tube 11 after vibration will concentrate on the bottom surface of the test chamber body 1. Staff still need to go into the test chamber body 1 to clean and collect it. To solve this technical problem, this embodiment has a collection structure 4 located directly below the evaporator 10 on the bottom surface of the test chamber body 1 to facilitate dust collection by staff. The collection structure 4 includes an inclined block 40 fixedly connected to the test chamber body 1 directly below the evaporator 10, and a collection port 41 opened on the side of the test chamber body 1 near the lowest point of the inclined block 40 and passing through the test chamber body 1. The inclined surface of the inclined block 40 is opposite to the evaporator 10. With the setting of the collection structure 4, the dust that falls off the evaporator 10 and heating tube 11 after vibration will fall onto the inclined surface of the inclined block 40. At this time, staff only need to sweep the dust along the inclined surface into the collection port 41, and then sweep it out of the test chamber body 1 through the collection port 41, making it more convenient for staff to clean the dust.

[0026] Although the collection port 41 makes it easier for staff to clean dust out of the test chamber body 1, it also means that gas inside the test chamber body 1 may leak from the collection port 41. To solve this technical problem, this embodiment provides a collection box 42 on the outside of the side of the test chamber body 1 where the collection port 41 is located. The collection box 42 is connected to the collection port 41. By setting up the collection box 42, the dust swept out by the staff through the collection port 41 will fall into the collection box 42. When the staff wants to deal with the dust, they only need to open the collection box 42 and close the collection box 42 when using the test chamber body 1. Thus, even if the staff can clean the dust out of the test chamber body 1, the sealing performance of the test chamber body 1 will not be reduced.

[0027] In this embodiment, the test chamber body 1 is provided with a blowing structure 5 on the side near the highest point of the inclined block 40, which allows dust to automatically fall into the collection port 41. The blowing structure 5 includes a storage port 50 opened on the side of the test chamber body 1 near the highest point of the inclined block 40 and located above the inclined block 40, and a blower 51 installed in the storage port 50 with the blowing surface facing the inclined block 40. By activating the blower 51, the blower 51 can blow the dust on the inclined block 40 along the inclined surface of the inclined block 40 and drop it into the collection port 41, making it more convenient for staff to clean the dust.

[0028] The specific implementation process is as follows: Start the vibration motor 23. The output end of the vibration motor 23 rotates, causing the cam 24 to intermittently push the push plate 22. When the push plate 22 is pushed by the cam 24, the push plate 22 will push the evaporator 10 and the heating tube 11 closer to the rebound plate 20, causing the evaporator 10 and the heating tube 11 to push the rebound plate 20 to compress the support spring 21. Then the support spring 21 will push the rebound plate 20 to rebound, causing the rebound plate 20 to push the evaporator 10 and the heating tube 11 closer to the push plate 22. Then the cam 24 will push the push plate 22 again to continue repeating the above steps, causing the evaporator 10 and the heating tube 11 to vibrate. As a result, the dust on the evaporator 10 and the heating tube 11 will fall off due to the vibration. After the vibration of the evaporator 10 and the heating tube 11 is completed, turn off the vibration motor 23 and start the blower 51. The blower 51 can blow the dust on the inclined block 40 along the inclined surface of the inclined block 40 and fall into the collection port 41, thus completing the cleaning.

[0029] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An air duct system for a temperature test chamber, characterized by, The test chamber includes a test chamber body (1), two mounting brackets located at the deepest part of the test chamber body (1), an evaporator (10) and a heating tube (11) respectively mounted on the two mounting brackets, and a volute (12) located directly above the mounting brackets and mounted on the top surface inside the test chamber body (1). The two mounting brackets are arranged parallel to each other vertically. The evaporator (10) and the heating tube (11) are slidably connected to the mounting brackets. Vibration devices (2) for vibrating the evaporator (10) and the heating tube (11) are provided on both sides of the evaporator (10) and the heating tube (11).

2. The air duct system of a temperature test chamber according to claim 1, characterized in that, The mounting bracket includes two opposing support rods (3) with a gap between them and a sliding groove (30) provided on the upper surface of the support rod (3) along the length of the support rod (3). The bottom surfaces of the evaporator (10) and the heating tube (11) are both fixedly provided with sliding plates. The evaporator (10) and the heating tube (11) are slidably connected to the support rod (3) through the sliding plates.

3. The air duct system of a temperature test chamber according to claim 2, characterized in that, The vibration device (2) includes a rebound plate (20) slidably connected to the support rod (3) on one side of the evaporator (10) and heating tube (11), a support spring (21) on the side of the rebound plate (20) away from the evaporator (10) and heating tube (11) for pushing the rebound plate (20) to rebound, a push plate (22) slidably connected to the support rod (3) on the other side of the evaporator (10) and heating tube (11), a vibration motor (23) located on the side of the push plate (22) away from the rebound plate (20) and installed on the inner side of the test chamber body (1), and a vibration motor (23) installed on the vibration motor (23). The output end is used to intermittently push the push plate (22) toward the evaporator (10) and the heating tube (11) via the cam (24). The spring plate (20) and the push plate (22) are provided with connecting pieces (31) on both the front and rear sides. The spring plate (20) and the push plate (22) are slidably connected to the support rod (3) through the connecting pieces (31). The spring plate (20) and the push plate (22) are located between the two support rods (3) in the mounting bracket and pass through the two mounting brackets. One end of the support spring (21) is fixedly connected to the side wall of the test chamber body (1), and the other end abuts against the spring plate (20).

4. The air duct system of a temperature test chamber according to claim 1, characterized in that, The bottom surface of the test chamber body (1) is provided with a collection structure (4) located directly below the evaporator (10) to facilitate the collection of dust by staff.

5. The air duct system of a temperature test chamber according to claim 4, characterized in that, The collection structure (4) includes an inclined block (40) fixedly connected to the test chamber body (1) directly below the evaporator (10), and a collection port (41) opened on the side of the test chamber body (1) near the lowest point of the inclined block (40) and penetrating the test chamber body (1). The inclined surface of the inclined block (40) is relative to the evaporator (10).

6. The air duct system of a temperature test chamber according to claim 5, characterized in that, The test chamber body (1) has a collection port (41) on one side with a collection box (42) on the outside, and the collection box (42) is connected to the collection port (41).

7. The air duct system of a temperature test chamber according to claim 5, characterized in that, The test chamber body (1) has a blowing structure (5) on the side near the highest point of the inclined block (40) that allows dust to fall automatically into the collection port (41).

8. The air duct system of a temperature test chamber according to claim 7, characterized in that, The blowing structure (5) includes a storage opening (50) located on the side of the test chamber body (1) near the highest point of the inclined block (40) and above the inclined block (40), and a blower (51) installed in the storage opening (50) with the blowing surface facing the inclined block (40).