Automatic moisture-proof device for electrical cabinet
By designing automatic moisture-proof devices in the electrical cabinet, using dehumidifiers and humidity sensors to detect and dehumidify, the problem of moisture damage inside the electrical cabinet is solved, and the insulation performance and corrosion resistance of the equipment are improved.
Patent Information
- Application Number
- CN202421179802.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The problem of moisture inside the electrical cabinet damages the equipment, especially in environments where the relative humidity exceeds 80%.
An automatic moisture-proof device for electrical cabinets is designed, including a dehumidifier, humidity sensor, drive motor and screw system. The humidity sensor detects the high humidity inside the electrical cabinet, and controls the driving motor to move the dehumidifier to the high humidity for dehumidification.
Effectively prevent moisture damage inside the electrical cabinet, improve the insulation performance and corrosion resistance of the equipment, and extend the service life of the equipment.
Smart Images

Figure CN222720952U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of moisture-proof devices, in particular to an automatic moisture-proof device for an electrical cabinet. Background Art
[0002] An electrical cabinet is a device used to control and protect electrical equipment, and is widely used in industries, construction, transportation, and other fields. Its basic functions include centralized control and distribution of power to electrical equipment, to protect and manage power; to store various electrical equipment, such as transformers, protective relays, circuit breakers, contactors, switches, instruments, etc.; to protect electrical equipment from damage caused by overvoltage, short circuit, and other abnormal conditions; to monitor and diagnose electrical equipment, to remotely monitor and manage electrical equipment.
[0003] Moisture may cause condensation or even water accumulation on the surface of the equipment, seriously reducing the insulation performance of the equipment, and even causing corrosion damage and serious failures. Studies have shown that when electrical equipment works in an environment with a relative humidity of more than 80%, moisture will have an adverse effect on the equipment. For this reason, an automatic moisture-proof device for electrical cabinets is proposed. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies of the prior art, the utility model provides an automatic moisture-proof device for an electrical cabinet to solve the problem of moisture inside the electrical cabinet damaging equipment as mentioned in the background art.
[0006] (II) Technical solution
[0007] To achieve the above purpose, the utility model provides the following technical solution: an automatic moisture-proof device for an electrical cabinet, comprising:
[0008] A dehumidifier and a square frame, wherein a driving motor is installed at the lower ends of both the front and rear sides of the square frame, a driving screw is installed at the output end of the driving motor, and a fixing rod is installed on the outside of the driving screw through threaded cooperation;
[0009] The side shell is arranged at the front and rear sides of the outside of the dehumidifier, and the fixing rod is inserted into the inside of the side shell;
[0010] An L-shaped bracket is arranged at different heights on the front and rear sides of the outside of the square frame, and the L-shaped bracket is fixedly connected to the square frame, and a humidity sensor is installed at one end of the outside of the L-shaped bracket;
[0011] The controller is arranged at the upper end of the dehumidifier, and the air inlet and the air outlet of the dehumidifier are both equipped with ducts.
[0012] Preferably, a top shell is provided on one side of the upper end of the side shell, the top shell is fixedly connected to the side shell, and an insertion rod is installed inside the top shell, and the insertion rod is used to fix the side shell to the fixing rod.
[0013] Preferably, the insertion rod passes through the top shell and extends to the interior of the fixing rod, a limiting hole is provided inside the fixing rod, and the insertion rod is matched with the limiting hole, and the limiting hole is used to insert the insertion rod.
[0014] Preferably, a return spring is installed on one side of the outside of the insertion rod located inside the top shell, and the return spring is fixedly connected to the insertion rod, so that the return spring enables the insertion rod to have automatic return properties.
[0015] Preferably, support legs are provided at the four corners of the lower end of the dehumidifier, and brackets are provided on the front and rear sides of the lower end of the dehumidifier, and the support legs play a role in supporting the dehumidifier.
[0016] Preferably, the bracket is fixedly connected to the dehumidifier, a bottom tray is installed inside the bracket, and connecting plates are provided on the upper and lower sides of the front and rear sides of the outside of the frame. The bottom tray is used to place dehumidifier to improve the dehumidification effect.
[0017] (III) Beneficial effects
[0018] Compared with the prior art, the utility model provides an automatic moisture-proof device for an electrical cabinet, which has the following beneficial effects:
[0019] The utility model detects the humidity at different heights inside the electrical cabinet through a humidity sensor. When the humidity is high at a certain height, a signal is transmitted to the controller. The controller starts the driving motor to rotate the driving screw. The fixed rod and the driving screw cooperate with each other in the thread to convert the rotating motion of the driving screw into the lifting motion of the dehumidifier, so that the dehumidifier moves to a position with higher humidity, thereby dehumidifying. In this way, the moisture-proof work inside the electrical cabinet is more convenient, which solves the problems raised in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0021] Figure 2 This is a cross-sectional view of the internal structure of the fixing rod and the side shell of the utility model;
[0022] Figure 3 It is a three-dimensional diagram of the bottom structure of the dehumidifier of the present utility model.
[0023] In the figure: 1. dehumidifier; 2. frame; 3. conduit; 4. drive motor; 5. drive screw; 6. fixing rod; 7. side shell; 8. top shell; 9. plug rod; 10. reset spring; 11. limit hole; 12. L-shaped bracket; 13. humidity sensor; 14. connecting plate; 15. support leg; 16. bracket; 17. bottom tray; 18. controller. DETAILED DESCRIPTION
[0024] 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.
[0025] The utility model provides a technical solution, an automatic moisture-proof device for an electrical cabinet, please refer to Figure 1 , Figure 2 and Figure 3 ,include:
[0026] Dehumidifier 1 and box 2, the lower ends of the front and rear sides of the box 2 are both installed with a driving motor 4, the output end of the driving motor 4 is installed with a driving screw 5, and the outside of the driving screw 5 is installed with a fixing rod 6 through threaded cooperation;
[0027] The side shell 7 is arranged at the front and rear sides of the outside of the dehumidifier 1, and the fixing rod 6 is inserted into the inside of the side shell 7;
[0028] An L-shaped bracket 12 is arranged at different heights on both sides of the front and rear of the outside of the square frame 2, and the L-shaped bracket 12 is fixedly connected to the square frame 2, and a humidity sensor 13 is installed at one end of the outside of the L-shaped bracket 12;
[0029] The controller 18 is arranged at the upper end of the dehumidifier 1 , and the air inlet and the air outlet of the dehumidifier 1 are both installed with a duct 3 .
[0030] When in use, the humidity sensor 13 detects humidity at different heights inside the electrical cabinet. When the humidity is high at a certain height, the signal is transmitted to the controller 18. The controller 18 starts the drive motor 4 to rotate the drive screw 5. The fixed rod 6 and the drive screw 5 are threaded together to convert the rotational motion of the drive screw 5 into the lifting motion of the dehumidifier 1, so that it moves to a position with higher humidity, thereby dehumidifying. It should be noted that in order to save space and highlight the innovative elements of this patent, such as the dehumidifier 1, the drive motor 4, the humidity sensor 13 and other conventional equipment, are not repeated in this patent.
[0031] See also Figure 2A top shell 8 is provided on one side of the upper end of the side shell 7 , and the top shell 8 is fixedly connected to the side shell 7 . An insertion rod 9 is installed inside the top shell 8 , and the insertion rod 9 is used to fix the side shell 7 to the fixing rod 6 .
[0032] See also Figure 2 The insertion rod 9 passes through the top shell 8 and extends to the inside of the fixing rod 6. A limiting hole 11 is provided inside the fixing rod 6, and the insertion rod 9 is adapted to the limiting hole 11. The limiting hole 11 is used to insert the insertion rod 9.
[0033] See also Figure 2 A return spring 10 is installed on the side of the outside of the insertion rod 9 located inside the top shell 8, and the return spring 10 is fixedly connected to the insertion rod 9. The return spring 10 enables the insertion rod 9 to have automatic return performance.
[0034] See also Figure 1 and Figure 3 Support legs 15 are provided at the four corners of the lower end of the dehumidifier 1, and brackets 16 are provided on both the front and rear sides of the lower end of the dehumidifier 1. The support legs 15 play a role in supporting the dehumidifier 1.
[0035] See also Figure 3 The bracket 16 is fixedly connected to the dehumidifier 1, a bottom tray 17 is installed inside the bracket 16, and connecting plates 14 are provided on the upper and lower sides of the front and rear sides of the outside of the frame 2. The bottom tray 17 is used to place dehumidifier to improve the dehumidification effect.
[0036] This solution: fix the frame 2 inside the cabinet door of the electrical cabinet through the connecting plate 14 and bolts, set the side shells 7 on both sides of the dehumidifier 1 on the outside of the fixing rod 6, pull up the plug rod 9, when the plug rod 9 moves to the upper end of the limit hole 11, release the plug rod 9, the reset spring 10 pushes the plug rod 9 to insert it into the limit hole 11 so that the dehumidifier 1 is combined and fixed with the fixing rod 6, turn on the dehumidifier 1, the air inlet and outlet of the dehumidifier 1 change direction through the duct 3, the humidity sensor 13 monitors the humidity at different heights inside the electrical cabinet, when the humidity is high at a certain height, the signal is transmitted to the controller 18, the controller 18 starts the drive motor 4 to rotate the drive screw 5, the fixing rod 6 and the drive screw 5 convert the rotational motion of the drive screw 5 into the lifting motion of the dehumidifier 1 under the threaded cooperation, so that it moves to a position with higher humidity, thereby dehumidifying.
[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An automatic moisture-proof device for an electrical cabinet, characterized in that: include: A dehumidifier (1) and a square frame (2), wherein a driving motor (4) is installed at the lower ends of both the front and rear sides of the square frame (2), a driving screw (5) is installed at the output end of the driving motor (4), and a fixing rod (6) is installed on the outside of the driving screw (5) through threaded engagement; A side shell (7) is arranged on the front and rear sides of the outside of the dehumidifier (1), and the fixing rod (6) is inserted into the inside of the side shell (7); An L-shaped bracket (12) is arranged at different heights on the front and rear sides of the outside of the square frame (2), and the L-shaped bracket (12) is fixedly connected to the square frame (2), and a humidity sensor (13) is installed at one end of the outside of the L-shaped bracket (12); The controller (18) is arranged at the upper end of the dehumidifier (1), and the air inlet and the air outlet of the dehumidifier (1) are both equipped with a duct (3).
2. The automatic moisture-proof device for an electrical cabinet according to claim 1, characterized in that: A top shell (8) is provided on one side of the upper end of the side shell (7), the top shell (8) is fixedly connected to the side shell (7), and an insertion rod (9) is installed inside the top shell (8).
3. The automatic moisture-proof device for an electrical cabinet according to claim 2, characterized in that: The insertion rod (9) passes through the top shell (8) and extends to the interior of the fixing rod (6); a limiting hole (11) is provided inside the fixing rod (6), and the insertion rod (9) is adapted to the limiting hole (11).
4. The automatic moisture-proof device for an electrical cabinet according to claim 3, characterized in that: A return spring (10) is installed on the side of the outside of the insertion rod (9) located inside the top shell (8), and the return spring (10) is fixedly connected to the insertion rod (9).
5. The automatic moisture-proof device for an electrical cabinet according to claim 1, characterized in that: Support legs (15) are provided at the four corners of the lower end of the dehumidifier (1), and brackets (16) are provided at the front and rear sides of the lower end of the dehumidifier (1).
6. The automatic moisture-proof device for an electrical cabinet according to claim 5, characterized in that: The bracket (16) is fixedly connected to the dehumidifier (1), a bottom tray (17) is installed inside the bracket (16), and connecting plates (14) are provided on the upper and lower sides of the front and rear sides of the outside of the frame (2).