Environmental climate box with overtemperature protection function

By designing a power outage protection structure in the environmental climate box, the overheating problem may be caused by the long-term operation of the equipment, and the safe and stable operation of the equipment and the continuity of experiments are achieved.

CN222766352UActive Publication Date: 2025-04-18JIANGSU SANYANG CONSTR ENG DETECTION
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421652429.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-12
Publication Date
2025-04-18
Estimated Expiration
2034-07-12

AI Technical Summary

Technical Problem

In long-running environmental climate chambers, equipment may fail due to overheating, resulting in experimental interruptions and equipment damage.

Method used

An environmental climate box with power-off protection function is designed. By setting a power-off protection structure in the equipment box, including a transformer, an insulating box, a slot, an electrode, a fixing table, a card block, a moving bar, a compression spring and a telescopic rod, when the temperature in the experimental chamber exceeds the preset range, the telescopic rod drives the moving bar to separate the card block and the electrode, the power-off protection structure is started, the power-off protection structure is disconnected, and the equipment is prevented from overheating.

Benefits of technology

It effectively prevents failures caused by overheating of the environmental climate chamber, ensuring stable operation of the equipment and continuous experiments.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222766352U_ABST
    Figure CN222766352U_ABST
Patent Text Reader

Abstract

The utility model discloses an environmental climate box with an over-temperature protection function, which relates to the technical field of environmental climate boxes, and comprises a working box, a circulating box and an equipment box which are integrated, the environmental climate box with the over-temperature protection function is provided with a power-off protection structure, and when equipment works, the power-off protection structure is arranged on the working box. The temperature in the experiment bin is collected by a temperature sensor in the experiment bin and then transmitted to the interior of a digital display control module, when the temperature in the experiment bin exceeds a preset temperature range, a telescopic rod is started, the telescopic rod drives a moving bar to be away from a fixed table, the moving bar drives two clamping blocks to be separated from the interior of the fixed table and the interior of an electrode, and the temperature in the experiment bin is detected. And the extension spring drives the electrode to slide downwards in the fixed table, so that the electrode is separated from the transformer, the transformer is in a power-off state, the overall environmental climate box is powered off, and the environmental climate box is prevented from being damaged due to overtemperature.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of environmental climate boxes, in particular to an environmental climate box with an over-temperature protection function. Background Art

[0002] An environmental climate chamber is an experimental device used to simulate and control specific environmental conditions (such as temperature, humidity, light, etc.). It is often used in scientific research, industrial production, quality control and other fields.

[0003] For example, an environmental climate chamber with publication number CN213456821U relates to the field of air monitoring equipment and is used to solve the problem of low convenience in the use of the climate chamber. It includes an environmental climate chamber body, which includes a cabin, a cabin door, and a control panel. The cabin door is arranged at the opening of the cabin, and the control panel and the cabin door are arranged on the same wall of the climate chamber body. Placement tables are arranged on the walls on both sides of the cabin, and trays are placed on the placement tables, and the two ends of the tray are respectively slidably connected to the placement tables on both sides of the cabin interior. A connecting block is provided on the side of the cabin door facing the cabin, and a connecting rod is rotatably connected to the connecting block. The end of the connecting rod away from the connecting block is rotatably connected to the middle of the tray. When the cabin door in the application is opened, the cabin door will pull the tray out of the cabin through the connecting rod to facilitate the user to take the object to be tested, thereby making the use of the environmental climate chamber more convenient.

[0004] One of the environmental climate chambers in the above-mentioned comparative document has a movable tray to facilitate users to take the objects to be tested. In actual operation, when using the environmental climate chamber to conduct experiments, given the relatively long experimental cycle, it is usually necessary to keep the environmental climate chamber working for a long time. However, long-term operation of the equipment may cause the equipment to overheat, which may in turn cause equipment failure. In order to ensure the smooth progress of the experiment and the stable operation of the equipment, corresponding measures need to be taken to prevent the equipment from overheating, and troubleshoot and repair should be carried out when necessary. Utility Model Content

[0005] The purpose of the utility model is to provide an environmental climate chamber with an over-temperature protection function to solve the problem in the above-mentioned background technology that when an environmental climate chamber is used to carry out experiments, in view of the relatively long experimental cycle, the environmental climate chamber usually needs to be operated continuously for a long time. However, the long-term operation of the equipment may cause the equipment to overheat, which may further cause the equipment to malfunction.

[0006] To achieve the above object, the utility model provides the following technical solution: an environmental climate box with over-temperature protection function, comprising a working box, a circulation box, and an equipment box, wherein the working box, the circulation box, and the equipment box are integrated, the interior of the working box and the equipment box are separated from each other by a partition, and the interior of the working box and the interior of the circulation box are connected;

[0007] The equipment box is provided with a power-off protection structure for controlling the power supply of the equipment, and the power-off protection structure is provided with a transformer and an insulating box, and the transformer and the insulating box are fixedly connected to the inside of the equipment box, the bottom of the transformer is fixedly connected with two symmetrically distributed card slots, and the card slots are connected with electrodes in a card-engaged manner, and the insulating box is fixedly connected with two symmetrically distributed fixing platforms, and the lower ends of the electrodes pass through the top of the insulating box and are slidably connected to the inside of the fixing platforms;

[0008] A card slot is provided on one side of the electrode, and an opening aligned with the card slot is provided on the outer side of the fixed platform, and a card block is connected to the inside of the opening and the card slot, two card blocks are provided, and a moving bar is fixedly connected between the two card blocks, and two symmetrically distributed compression springs are fixedly connected to the side of the moving bar away from the compression spring, the compression spring is fixedly connected to the inner side of the insulating box, and a telescopic rod is fixedly connected in the middle of the side of the moving bar away from the compression spring, and the telescopic rod is fixedly connected to the inner side of the insulating box, the lower end of the electrode is fixedly connected to a wire extending to the outside of the equipment box, and a tension spring is fixedly connected to the bottom of the electrode and the bottom of the inner side of the insulating box, and the tension spring is located on the inner side of the fixed platform.

[0009] Preferably, a door is hinged at one end of the front side of the working box, and the upper and lower ends of the door are rotatably connected to the inside of the circulation box and the equipment box respectively. A magnetic sealing strip aligned with the working box is provided on the inner side of the door, and a handle is fixedly connected to the outer side of the door.

[0010] Preferably, an experimental chamber is provided inside the working box, and a plurality of ventilation holes distributed in a matrix are provided on both sides of the experimental chamber, a plurality of equidistantly distributed ventilation holes are fixedly connected on both sides of the experimental chamber, and a storage plate is slidably connected between two ventilation holes, and the storage plate is arranged as a mesh structure.

[0011] Preferably, compensation windows are provided on both sides of the lower end of the experimental chamber, and the compensation windows are provided with shutter structures, a plurality of evenly distributed lamp tubes are fixedly connected to the rear side of the experimental chamber, and the lamp tubes are located between a plurality of evenly distributed storage plates, and the lamp tubes are electrically connected to the transformer through wires, and a temperature sensor is provided inside the experimental chamber.

[0012] Preferably, a compressor is fixedly connected to the bottom of the inner side of the equipment box, and two symmetrically distributed pipes are fixedly connected on both sides of the compressor, and the pipes pass through the partition and extend to the inside of the working box, two symmetrically distributed ventilation fans are fixedly connected to the front side of the inside of the equipment box, and a ventilation opening aligned with the two ventilation fans is provided on the front side of the transformer.

[0013] Preferably, a plurality of equally distributed temperature-control fins are fixedly connected to both sides of the working box, and the plurality of equally distributed temperature-control fins do not interfere with the ventilation holes. An S-shaped temperature-control tube is fixedly connected to the temperature-control fins, and both ends of the temperature-control tube are interconnected with the pipes on both sides of the compressor.

[0014] Preferably, an installation groove is provided on the front side of the circulation box, and a digital display control module is fixedly connected inside the installation groove, a circulation window is provided at the bottom of the circulation box, and the circulation window is communicated with the interior of the experimental chamber, an insulation layer is fixedly connected inside the circulation box, and the insulation layer extends to the inside of the working box, and the bottom of the insulation layer is fixedly connected to the partition, two symmetrically distributed drum fans are rotatably connected inside the circulation box, and both ends of the drum fans pass through the insulation layer, a motor is fixedly connected to the inside of the insulation layer, and the output end of the motor is rotatably connected to the ends of the two drum fans through a belt.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The environmental climate box with over-temperature protection function is provided with a power-off protection structure. When the equipment is working, the temperature inside the experimental chamber will be collected by the temperature sensor inside the experimental chamber, and then transmitted to the inside of the digital display control module. When the temperature inside the experimental chamber exceeds the preset temperature range, the telescopic rod will be activated, so that the telescopic rod drives the moving bar away from the fixed platform, so that the moving bar drives the two card blocks to separate from the fixed platform and the inside of the electrode, so that the tension spring drives the electrode to slide downward inside the fixed platform, so that the electrode and the transformer are separated from each other, so that the transformer is in a power-off state, and then the environmental climate box is powered off as a whole, so as to prevent the environmental climate box from being damaged due to overheating;

[0017] Furthermore, during the operation of the environmental climate box, the motor is started to drive the two drum fans to rotate. When the drum fans rotate, the drum fans send the air inside the circulation box into the working box. The air inside the working box enters the experimental chamber through the ventilation holes. The air inside the experimental chamber re-enters the circulation box through the circulation windows, thereby realizing the air circulation inside the experimental chamber. The air circulation at the bottom of the experimental chamber is compensated by setting two compensation windows to prevent the air circulation at the bottom of the experimental chamber from having a significant gap with the air circulation at the top of the experimental chamber, which leads to experimental errors.

[0018] Furthermore, during operation of the environmental climate box, the storage plate is fixed between two slide grooves inside the experimental chamber, so that the storage plate can be quickly taken out and placed, which is convenient for taking and placing the experimental objects on the top of the storage plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the working box of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the equipment box of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the insulation box of the utility model;

[0023] Figure 5 This is a schematic diagram of the explosion structure of the temperature control tube of the utility model;

[0024] Figure 6 This is a schematic diagram of the structure of the circulation box of the utility model.

[0025] In the figure: 1. working box; 2. circulation box; 3. equipment box; 4. experimental chamber; 5. box door; 6. ventilation hole; 7. storage board; 8. compensation window; 9. lamp tube; 10. compressor; 11. ventilation fan; 12. ventilation port; 13. transformer; 14. insulation box; 15. fixing table; 16. electrode; 17. block; 18. moving bar; 19. compression spring; 20. telescopic rod; 21. extension spring; 22. temperature control tube; 23. temperature control fin; 24. installation slot; 25. circulation window; 26. insulation layer; 27. drum fan; 28. motor; 29. ​​digital display control module. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In a further preferred embodiment of the present invention, Figure 1 - Figure 6As shown, an environmental climate box with an over-temperature protection function includes a working box 1, a circulation box 2, and an equipment box 3. The working box 1, the circulation box 2, and the equipment box 3 are a whole. The interior of the working box 1 and the equipment box 3 are separated from each other by a partition, and the interior of the working box 1 and the interior of the circulation box 2 are connected; a power-off protection structure for controlling the power supply of the equipment is arranged inside the equipment box 3, and the power-off protection structure is provided with a transformer 13 and an insulating box 14, and the transformer 13 and the insulating box 14 are both fixedly connected to the inner side of the equipment box 3, two symmetrically distributed card slots are fixedly connected to the bottom of the transformer 13, and electrodes 16 are snap-connected inside the card slots, and two symmetrically distributed fixed platforms 15 are fixedly connected inside the insulating box 14, and the lower end of the electrode 16 passes through the top of the insulating box 14 and is slidably connected to the inside of the fixed platform 15;A card slot is provided on one side of the electrode 16, and an opening aligned with the card slot is provided on the outer side of the fixed platform 15, and a card block 17 is connected to the inside of the opening and the card slot, two card blocks 17 are provided, and a moving bar 18 is fixedly connected between the two card blocks 17, and the side of the moving bar 18 away from the compression spring 19 is fixedly connected to two symmetrically distributed compression springs 19, the compression spring 19 is fixedly connected to the inner side of the insulating box 14, and a telescopic rod 20 is fixedly connected in the middle of the side of the moving bar 18 away from the compression spring 19, and the telescopic rod 20 is fixedly connected to the inner side of the insulating box 14, the lower end of the electrode 16 is fixedly connected to a wire extending to the outside of the equipment box 3, and the bottom of the electrode 16 and the bottom of the inner side of the insulating box 14 are fixedly connected to a tension spring 21, and the tension spring 21 is fixedly connected to the bottom of the electrode 16 and the bottom of the inner side of the insulating box 14. The extension spring 21 is located on the inner side of the fixed platform 15, a door 5 is hinged at one end of the front side of the working box 1, and the upper and lower ends of the door 5 are rotatably connected to the inside of the circulation box 2 and the equipment box 3 respectively, a magnetic sealing strip aligned with the working box 1 is arranged on the inner side of the door 5, and a handle is fixedly connected to the outer side of the door 5, an experimental chamber 4 is arranged inside the working box 1, and a plurality of ventilation holes 6 distributed in a matrix are arranged on both sides of the experimental chamber 4, a plurality of ventilation holes 6 distributed equidistantly are fixedly connected on both sides of the experimental chamber 4, and a storage plate 7 is slidably connected between the two ventilation holes 6, and the storage plate 7 is arranged in a mesh structure, compensation windows 8 are arranged on both sides of the lower end of the experimental chamber 4, and the compensation windows 8 are arranged with a shutter structure, and a plurality of lamp tubes 9 distributed equidistantly are fixedly connected to the rear side of the experimental chamber 4, The lamp tube 9 is located between a plurality of equally spaced storage plates 7, and the lamp tube 9 is electrically connected to the transformer 13 through a wire. A temperature sensor is arranged inside the experimental chamber 4. A compressor 10 is fixedly connected to the bottom of the inner side of the equipment box 3, and two symmetrically distributed pipes are fixedly connected on both sides of the compressor 10, and the pipes extend through the partition to the inside of the working box 1. Two symmetrically distributed ventilation fans 11 are fixedly connected to the front side of the equipment box 3, and a vent 12 aligned with the two ventilation fans 11 is arranged on the front side of the transformer 13. A plurality of equally spaced temperature control fins 23 are fixedly connected to both sides of the working box 1, and the plurality of equally spaced temperature control fins 23 do not interfere with the ventilation holes 6. The temperature control fins 23 are fixedly connected with an S-shaped The circulating box 2 is provided with a temperature control tube 22, and the two ends of the temperature control tube 22 are connected to the pipes on both sides of the compressor 10. The front side of the circulating box 2 is provided with a mounting groove 24, and the mounting groove 24 is fixedly connected with a digital display control module 29. The bottom of the circulating box 2 is provided with a circulating window 25, and the circulating window 25 is communicated with the inside of the experimental chamber 4. The inside of the circulating box 2 is fixedly connected with a heat preservation layer 26, and the heat preservation layer 26 extends to the inside of the working box 1, and the bottom of the heat preservation layer 26 is fixedly connected with the partition. The inside of the circulating box 2 is rotatably connected with two symmetrically distributed drum fans 27, and the two ends of the drum fans 27 pass through the inside of the heat preservation layer 26. The inside of the heat preservation layer 26 is fixedly connected with a motor 28, and the output end of the motor 28 is rotatably connected with the ends of the two drum fans 27 through a belt.

[0028] A single-chip microcomputer is integrated inside the digital display control module 29, the temperature sensor inside the experimental chamber 4 is electrically connected to the single-chip microcomputer inside the digital display control module 29, and the circulation box 2 is electrically connected to the single-chip microcomputer. When the equipment is in normal working condition, the wire at the bottom of the electrode 16 is connected to the external power supply, and at the same time, the electrode 16 is connected to the transformer 13 through the card engagement to power the transformer 13, so that the transformer 13 powers the entire equipment, and at the same time, the wire at the bottom of the electrode 16 is connected to the external power supply. The internal working temperature of the environmental climate box is set by the digital display control module 29. When the equipment is working, the temperature inside the experimental chamber 4 The temperature will be collected by the temperature sensor inside the experimental chamber 4, and then transmitted to the digital display control module 29. When the temperature inside the experimental chamber 4 exceeds the preset temperature range, the telescopic rod 20 will be activated, so that the telescopic rod 20 drives the moving bar 18 away from the fixed platform 15, so that the moving bar 18 drives the two blocks 17 to separate from the fixed platform 15 and the electrode 16, so that the tension spring 21 drives the electrode 16 to slide downward inside the fixed platform 15, so that the electrode 16 and the transformer 13 are separated from each other, so that the transformer 13 is in a power-off state, and then the environmental climate box is powered off as a whole to prevent the environmental climate box from being damaged due to overheating;

[0029] During the operation of the environmental climate box, the ventilation fan 11 is started to circulate the air inside the equipment box 3 through the vent 12, so that the air inside the equipment box 3 is exchanged with the outside air, thereby cooling the equipment inside the equipment box 3;

[0030] During the operation of the environmental climate box, the compressor 10 will be in a working state. The compressor 10 controls the temperature of the temperature control tube 22 through the pipeline, and controls the temperature of the temperature control fins 23 through the temperature control tube 22. When the air inside the experimental chamber 4 circulates, the air temperature inside the experimental chamber 4 is controlled by controlling the temperature of the temperature control fins 23, so as to control the working temperature inside the experimental chamber 4, and further control the working temperature of the environmental climate box;

[0031] During the operation of the environmental climate box, the motor 28 is started to drive the two drum fans 27 to rotate. When the drum fans 27 rotate, the drum fans 27 send the air inside the circulation box 2 into the working box 1. The air inside the working box 1 enters the experimental chamber 4 through the ventilation holes 6. The air inside the experimental chamber 4 re-enters the circulation box 2 through the circulation window 25, thereby realizing the air circulation inside the experimental chamber 4. The air circulation at the bottom of the experimental chamber 4 is compensated by the setting of the two compensation windows 8, so as to prevent the air circulation at the bottom of the experimental chamber 4 from having a significant gap with the air circulation at the top of the experimental chamber 4, which leads to experimental errors.

[0032] During operation of the environmental climate box, the placement plate 7 is fixed between the two slide grooves inside the experimental chamber 4 so that the placement plate 7 can be quickly taken out and placed, making it easy to take out and place the experimental objects on the top of the placement plate 7.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An environmental climate box with an over-temperature protection function, comprising a working box (1), a circulation box (2), and an equipment box (3), wherein the working box (1), the circulation box (2), and the equipment box (3) are integrated into one body, the interior of the working box (1) and the equipment box (3) are separated from each other by a partition, and the interior of the working box (1) and the interior of the circulation box (2) are in communication; Features: The equipment box (3) is provided with a power-off protection structure for controlling the equipment power supply, the power-off protection structure is provided with a transformer (13) and an insulating box (14), and the transformer (13) and the insulating box (14) are both fixedly connected to the inside of the equipment box (3), the bottom of the transformer (13) is fixedly connected to two symmetrically distributed card slots, and the inside of the card slot is card-engaged with an electrode (16), the inside of the insulating box (14) is fixedly connected to two symmetrically distributed fixed platforms (15), and the lower end of the electrode (16) passes through the top of the insulating box (14) and is slidably connected to the inside of the fixed platform (15); A slot is provided on one side of the electrode (16), and an opening aligned with the slot is provided on the outside of the fixing platform (15), and a block (17) is connected to the inside of the slot by snapping. Two blocks (17) are provided, and a moving bar (18) is fixedly connected between the two blocks (17), and two symmetrically distributed compression springs (19) are fixedly connected to the side of the moving bar (18) away from the compression spring (19), and the compression spring (19) is fixedly connected to the inside of the insulation box (14), and a telescopic rod (20) is fixedly connected in the middle of the side of the moving bar (18) away from the compression spring (19), and the telescopic rod (20) is fixedly connected to the inside of the insulation box (14), and a wire extending to the outside of the equipment box (3) is fixedly connected to the lower end of the electrode (16), and a tension spring (21) is fixedly connected to the bottom of the electrode (16) and the bottom of the inside of the insulation box (14), and the tension spring (21) is located on the inside of the fixing platform (15).

2. The environmental climate box with over-temperature protection function according to claim 1, characterized in that: A door (5) is hinged at one end of the front side of the working box (1), and the upper and lower ends of the door (5) are rotatably connected to the inside of the circulation box (2) and the equipment box (3), respectively. A magnetic sealing strip aligned with the working box (1) is arranged on the inner side of the door (5), and a handle is fixedly connected to the outer side of the door (5).

3. The environmental climate box with over-temperature protection function according to claim 1, characterized in that: An experimental chamber (4) is arranged inside the working box (1), and a plurality of ventilation holes (6) distributed in a matrix are arranged on both sides of the experimental chamber (4), a plurality of ventilation holes (6) distributed at equal intervals are fixedly connected to both sides of the experimental chamber (4), and a storage plate (7) is slidably connected between two ventilation holes (6), and the storage plate (7) is arranged in a mesh structure.

4. The environmental climate box with over-temperature protection function according to claim 3, characterized in that: Compensation windows (8) are provided on both sides of the lower end of the experimental chamber (4), and the compensation windows (8) are provided with shutter structures. A plurality of equally spaced lamp tubes (9) are fixedly connected to the rear side of the experimental chamber (4), and the lamp tubes (9) are located between a plurality of equally spaced storage plates (7), and the lamp tubes (9) are electrically connected to a transformer (13) via a wire. A temperature sensor is provided inside the experimental chamber (4).

5. The environmental climate box with over-temperature protection function according to claim 1, characterized in that: A compressor (10) is fixedly connected to the bottom of the inner side of the equipment box (3), and two symmetrically distributed pipes are fixedly connected to both sides of the compressor (10), and the pipes pass through the partition and extend into the interior of the working box (1); two symmetrically distributed ventilation fans (11) are fixedly connected to the front side of the interior of the equipment box (3), and a ventilation opening (12) aligned with the two ventilation fans (11) is provided on the front side of the transformer (13).

6. The environmental climate box with over-temperature protection function according to claim 1, characterized in that: A plurality of equally spaced temperature control fins (23) are fixedly connected to both sides of the working box (1), and the plurality of equally spaced temperature control fins (23) do not interfere with the ventilation holes (6). An S-shaped temperature control pipe (22) is fixedly connected to the inside of the temperature control fins (23), and both ends of the temperature control pipe (22) are connected to pipes on both sides of the compressor (10).

7. The environmental climate box with over-temperature protection function according to claim 1, characterized in that: The circulation box (2) is provided with a mounting groove (24) on the front side, and a digital display control module (29) is fixedly connected inside the mounting groove (24); a circulation window (25) is provided at the bottom of the circulation box (2), and the circulation window (25) is communicated with the inside of the experimental chamber (4); a heat preservation layer (26) is fixedly connected inside the circulation box (2), and the heat preservation layer (26) extends to the inside of the working box (1), and the bottom of the heat preservation layer (26) is fixedly connected to the partition; two symmetrically distributed roller fans (27) are rotatably connected inside the circulation box (2), and both ends of the roller fans (27) pass through the inside of the heat preservation layer (26); a motor (28) is fixedly connected inside the heat preservation layer (26), and the output end of the motor (28) is rotatably connected to the ends of the two roller fans (27) through a belt.

Citation Information

Patent Citations

  • Environmental climate box

    CN213456821U