An intelligent anti-condensation control device for power distribution cabinet

By employing a combination design of second-half threaded bolts, washers, springs, and nuts in the distribution cabinet, the problem of semiconductor dehumidifiers loosening due to vibration was solved, achieving stable installation of the dehumidifier, improving the stability and dehumidification effect of the device, and extending the service life of electrical equipment.

CN224537636UActive Publication Date: 2026-07-21ASHOU ELECTRIC POWER TECH GRP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ASHOU ELECTRIC POWER TECH GRP CO LTD
Filing Date
2025-08-01
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

In traditional distribution cabinets, the bolts of semiconductor dehumidifiers are prone to loosening due to fan vibration, leading to unstable installation and affecting dehumidification performance.

Method used

The design employs a combination of a second-half threaded bolt, washer, spring, and nut to increase the friction between the thread teeth, ensuring a secure installation of the semiconductor dehumidifier. Combined with the support components and filter plate design, this enhances the stability and convenience of the device.

Benefits of technology

This improves the installation stability of semiconductor dehumidifiers, ensures stable dehumidification function, reduces the probability of equipment failure, and extends the service life of electrical equipment.

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Abstract

The utility model relates to power distribution cabinet anti -condensation technical field especially, relates to a kind of power distribution cabinet intelligent anti -condensation control device.The power distribution cabinet intelligent anti -condensation control device includes: control cabinet, support component, through -hole, mounting bracket, frame type pad, the front side of control cabinet is rotatably connected with two protective doors, the surface of top protective door is provided with control panel, the surface of protective door is provided with two handle grooves, the top of control cabinet is fixedly connected with triangular rain cover, the top of control cabinet is provided with heat dissipation hole, the bottom of control cabinet is fixedly connected with support platform, support platform is installed with support component in the bottom, through -hole is provided in the inside of support platform, the inner wall top of through -hole is fixedly connected with fan, the inner wall bottom of through -hole is slidably connected with filter plate.The utility model solves the problem that traditional bolt is easily loose due to vibration, ensures that semiconductor dehumidifier is installed firmly, guarantees that dehumidification function plays stably, avoids the situation that dehumidification effect is poor due to the decrease of equipment displacement adhesion.
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Description

Technical Field

[0001] This utility model relates to the field of anti-condensation technology for power distribution cabinets, and in particular to an intelligent anti-condensation control device for power distribution cabinets. Background Technology

[0002] A distribution cabinet is a unit that centrally houses electrical equipment such as switches, meters, and protective devices. It is used to distribute electrical energy and control and protect circuits. In humid environments or with large temperature differences, condensation can easily occur inside the distribution cabinet. Water droplets adhering to electrical components can cause short circuits, equipment corrosion, and other problems, seriously threatening the safe operation of the power system. Intelligent anti-condensation control devices monitor the temperature and humidity inside the cabinet in real time, intelligently adjust and precisely control environmental parameters, effectively preventing condensation formation, ensuring the stable and reliable operation of the distribution cabinet, and extending the service life of electrical equipment.

[0003] Most electrical distribution cabinets require the installation of temperature and humidity sensors, semiconductor dehumidifiers, fans, and anti-condensation controllers inside for condensation prevention. The temperature and humidity sensors continuously monitor real-time temperature and humidity data inside the cabinet and transmit the information to the anti-condensation controller. When the humidity exceeds the standard or the temperature approaches the dew point, the semiconductor dehumidifier is activated, using the Peltier effect to condense water vapor into liquid and discharge it. At the same time, the fan is turned on to accelerate air circulation inside the cabinet, assisting in dehumidification and preventing excessive local temperature differences, thus preventing condensation. However, after using tools to tighten the bolts to install the semiconductor dehumidifier, the continuous vibration generated by the fan inside the distribution cabinet causes the bolts to be subjected to periodic alternating stress. The vibration gradually weakens the friction between the threads, causing the bolts to loosen. This reduces the fit between the dehumidifier and the cabinet mounting surface, affecting the water vapor condensation efficiency and significantly reducing the dehumidification effect.

[0004] Therefore, it is necessary to provide a new intelligent anti-condensation control device for power distribution cabinets to solve the above-mentioned technical problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides an intelligent anti-condensation control device for power distribution cabinets.

[0006] This utility model provides an intelligent anti-condensation control device for a power distribution cabinet, comprising: a control cabinet, a support assembly, a through hole, a mounting bracket, and a frame pad. Two protective doors are rotatably connected to the front of the control cabinet. A control panel is installed on the surface of the top of each protective door. Two handle grooves are formed on the surface of each protective door. A triangular rain cover is fixedly connected to the top of the control cabinet. Heat dissipation holes are formed on the top of both the left and right sides of the control cabinet. A support platform is fixedly connected to the bottom of the control cabinet. A support assembly is installed at the bottom of the support platform. A through hole is formed inside the support platform. A fan is fixedly connected to the top of the inner wall of the through hole. A filter plate is slidably connected to the bottom of the inner wall of the through hole. First semi-threaded bolts are slidably connected to the inner walls of the filter plate at each of its four corners. Multiple mounting brackets are fixedly connected to the top of the control cabinet. Multiple mounting slots are opened on the surface of the mounting brackets. Sensors are symmetrically installed on both sides of the middle of the inner wall of the control cabinet. Frame-shaped pads are fixedly connected to the inner walls of the bottom of the left and right sides of the control cabinet. Semiconductor dehumidifiers are installed in the inner frames of the frame-shaped pads. Water guide pipes are installed on the far sides of the two semiconductor dehumidifiers. Assembly plates are fixedly connected to the four corners of the near sides of the two semiconductor dehumidifiers. Second semi-threaded bolts are slidably connected inside the assembly plates. Two washers are slidably connected to the unthreaded part of the second semi-threaded bolts. Springs are fixedly connected to the near sides of the two washers. Nuts are threadedly connected to the threaded part of the second semi-threaded bolts.

[0007] Preferably, the support assembly includes multiple support legs, the top ends of the multiple support legs are fixedly connected to the four corners of the bottom end of the support platform, and rubber pads are fixedly connected to the bottom ends of the support legs.

[0008] Preferably, the outer top of the plurality of first semi-threaded bolts is threaded to the inner wall of the bottom end of the support platform.

[0009] Preferably, one of the two sensors is a humidity sensor and the other is a temperature sensor.

[0010] Preferably, the unthreaded portion of the second semi-threaded bolt is slidably connected to the inner wall of the control cabinet, and the opposite sides of the plurality of assembly plates are in contact with the bottom inner wall of the control cabinet.

[0011] Preferably, one side of the nut contacts one side of one of the washers, and one side of the other washer contacts the outside of the control cabinet.

[0012] Preferably, the fan, sensor, and semiconductor dehumidifier are each connected to the control panel via telecommunications.

[0013] Preferably, the top of the filter plate is in contact with the bottom of the support platform.

[0014] Compared with related technologies, the intelligent anti-condensation control device for power distribution cabinets provided by this utility model has the following beneficial effects: Improved installation stability: By utilizing the combination of the second half-threaded bolt, washer, spring, and nut, the elasticity of the spring increases the friction between the threads, effectively solving the problem of traditional bolts loosening due to vibration. This ensures that the semiconductor dehumidifier is firmly installed, guarantees stable dehumidification function, and avoids deterioration of dehumidification effect due to equipment displacement or decreased fit.

[0015] Comprehensive protection and ease of operation and maintenance: Equipped with a triangular rain cover to block external rainwater, heat dissipation holes to assist air circulation and heat dissipation, and a protective door handle groove for easy operation; the filter plate is installed with a first half threaded bolt, which is easy to disassemble and clean, ensuring the ventilation and filtration effect; the support components are equipped with support legs and rubber pads to enhance the stability of the control cabinet, reduce external interference, improve the overall reliability and ease of use of the device, reduce the probability of equipment failure, and extend the service life of electrical equipment.

[0016] Dehumidification Synergy Optimization: Semiconductor dehumidifiers utilize the Peltier effect for condensation dehumidification, combined with a fan to accelerate air circulation, forming a synergistic mode of condensation dehumidification and airflow regulation. This not only efficiently removes moisture but also evens out the temperature inside the cabinet, preventing excessive local temperature differences. Compared to single dehumidification methods, the anti-condensation effect is more significant and longer-lasting. Attached Figure Description

[0017] Figure 1 A schematic diagram of the structure of an intelligent anti-condensation control device for a power distribution cabinet provided by this utility model; Figure 2 for Figure 1 The diagram shows the structure of the filter plate. Figure 3 for Figure 1 The diagram shows the structure of the control cabinet. Figure 4 for Figure 1 The diagram shows the structure of the assembly plate.

[0018] The following are the labels in the diagram: 1. Control cabinet; 2. Protective door; 3. Control panel; 4. Handle slot; 5. Triangular rain cover; 6. Ventilation hole; 7. Support platform; 8. Support leg; 9. Rubber pad; 10. Through hole; 11. Fan; 12. Filter plate; 13. First half-threaded bolt; 14. Mounting bracket; 15. Mounting slot; 16. Sensor; 17. Frame-type pad; 18. Semiconductor dehumidifier; 19. Water pipe; 20. Assembly plate; 21. Second half-threaded bolt; 22. Washer; 23. Spring; 24. Nut. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0021] Please see Figures 1 to 4 An intelligent anti-condensation control device for a power distribution cabinet is disclosed. The device includes a control cabinet 1, which serves as the main load-bearing structure of the entire device. Its front side is connected to two protective doors 2 via a rotating connection. These two protective doors 2 can rotate flexibly to open and close, facilitating operation, inspection, and maintenance of various equipment inside the control cabinet 1 by maintenance personnel. A control panel 3 is installed on the surface of the top protective door 2. This control panel 3 integrates various control buttons and a display module, which can intuitively display the environmental parameters inside the cabinet and receive and respond to various commands such as dehumidification start and fan speed adjustment, always in standby mode. Two handle grooves 4 are provided on the surface of the protective door 2, and the design of the handle grooves 4 conforms to… Ergonomically designed for easy gripping and force application by operators, the control cabinet 1 allows for easy opening and closing of the protective door 2. A triangular rain cover 5 is fixedly connected to the top of the control cabinet 1. This triangular rain cover 5 features a sloping surface structure, effectively guiding rainwater to slide to both sides and preventing external rainwater from entering the control cabinet 1, creating a dry upper environment for the equipment inside. Ventilation holes 6 are located on the top of both the left and right sides of the control cabinet 1, arranged in an array to facilitate airflow between the cabinet and the outside air, promptly dissipating heat generated by the equipment operation and maintaining a stable internal temperature. The bottom of the control cabinet 1 is fixedly connected to a support platform 7, which provides stable bottom support for the control cabinet 1.

[0022] Regarding the support components, a support component is installed at the bottom of the support platform 7. This support component includes multiple support legs 8. Specifically, the tops of the multiple support legs 8 are connected to the four corners of the bottom of the support platform 7 by a fixed connection. The support legs 8 are made of high-strength metal material and have good load-bearing performance. A rubber pad 9 is fixedly connected to the bottom of the support legs 8. The rubber pad 9 is soft and elastic. On the one hand, it can increase the friction with the ground and improve the stability of the support; on the other hand, it can absorb external vibrations and reduce the impact of ground vibrations on the internal equipment of the control cabinet 1.

[0023] Inside the support platform 7, there is a through hole 10. The through hole 10 is a through structure. The top of its inner wall is connected to the fan 11 by a fixed connection. The fan 11 can rotate at high speed to accelerate airflow. The bottom of the inner wall of the through hole 10 is slidably connected to the filter plate 12. The filter plate 12 adopts a porous structure and the material has good air permeability and filtration properties, which can perform preliminary filtration on the air entering the through hole 10. The top of the filter plate 12 contacts the bottom of the support platform 7 to achieve positioning. The inner walls of the four corners of the filter plate 12 are slidably connected to the first semi-threaded bolts 13. The first semi-threaded bolts 13 have a unique design. The outer top of multiple first semi-threaded bolts 13 is connected to the inner wall of the bottom of the support platform 7 by a threaded connection. With the tightening force of the threads, the filter plate 12 is firmly fixed to the bottom of the through hole 10, which also facilitates later disassembly and cleaning, ensuring ventilation and filtration effects.

[0024] The top of the control cabinet 1 is connected to multiple mounting brackets 14 via a fixed connection. The mounting brackets 14 are frame structures with multiple mounting slots 15 on their surfaces. The mounting slots 15 can accommodate electrical components of different specifications, providing diverse options for component installation. Sensors 16 are symmetrically installed on both sides of the middle of the inner wall of the control cabinet 1. The two sensors 16 have distinct functions: one is a humidity sensor, which can accurately monitor the air humidity inside the cabinet; the other is a temperature sensor, which is used to collect temperature data inside the cabinet in real time. The two work together to provide accurate parameters for anti-condensation control.

[0025] The inner walls of the bottom sides of the control cabinet 1 are fixedly connected to the frame pad 17. The frame pad 17 is made of elastic material and its shape is adapted to the semiconductor dehumidifier 18. The inner frame of the frame pad 17 is used to install the semiconductor dehumidifier 18, providing initial positioning and protection for the semiconductor dehumidifier 18. The fan 11, sensor 16, and semiconductor dehumidifier 18 are connected to the control panel 3 via telecommunication connections, enabling them to receive commands from the control panel 3 and achieve intelligent control. Water pipes 19 are installed on the far sides of the two semiconductor dehumidifiers 18 to drain the liquid water condensed by the semiconductor dehumidifiers 18 out of the cabinet. The four corners of the near sides of the two semiconductor dehumidifiers 18 are fixedly connected to the mounting plate 20. The far sides of the multiple mounting plates 20 are connected to the control cabinet 1. The bottom inner wall of the assembly plate 20 is in contact with the second half-threaded bolt 21, which plays a supporting and positioning role. The inside of the assembly plate 20 is slidably connected with the second half-threaded bolt 21. The unthreaded part of the second half-threaded bolt 21 is slidably connected with the inner wall of the control cabinet 1 for easy installation. The unthreaded part of the second half-threaded bolt 21 is also slidably connected with two washers 22. One side of the other washer 22 is in contact with the outside of the control cabinet 1 for limiting. The adjacent sides of the two washers 22 are connected to the spring 23 by a fixed connection. The spring 23 has elastic deformation capability and can provide preload. The threaded part of the second half-threaded bolt 21 is threadedly connected with the nut 24. One side of the nut 24 is in contact with one side of one of the washers 22. By tightening the nut 24, in conjunction with the elasticity of the spring 23, the semiconductor dehumidifier 18 can be stably installed in the control cabinet 1.

[0026] The working principle of the intelligent anti-condensation control device for power distribution cabinet provided by this utility model is as follows: When the power distribution cabinet starts working, the intelligent anti-condensation control process is started simultaneously. First, the control cabinet 1, as the basic load-bearing structure of the entire device, has two protective doors 2 on its front side that can be opened and closed by rotation, which facilitates the operation and maintenance of the equipment inside the cabinet. During normal operation, the control panel 3 on the surface of the top protective door 2 is always in standby mode, which can receive and feedback various instructions. In the cabinet environment monitoring stage, sensors 16 are symmetrically installed on both sides of the middle of the inner wall of the control cabinet 1. One is a humidity sensor and the other is a temperature sensor, which continuously monitors the temperature and humidity data inside the cabinet. Once the humidity exceeds the standard or the temperature approaches the dew point, the relevant signal will be transmitted to the control panel 3. When dehumidification is required, first install the semiconductor dehumidifier 18. Locate the frame-shaped pads 17 on the inner walls of the bottom of both sides of the control cabinet 1. The frame-shaped pads 17 are used for initial positioning and protection of the semiconductor dehumidifier 18. Place the semiconductor dehumidifier 18 into the inner frame of the frame-shaped pads 17. Next, process the mounting plates 20 on both sides of the semiconductor dehumidifier 18. Pass the unthreaded portion of the second half-threaded bolt 21 through the inside of the mounting plate 20, and simultaneously allow the unthreaded portion of the second half-threaded bolt 21 to pass through the two washers 22 and the inner wall of the control cabinet 1. The spring 23 in the middle of the washer 22 is in a compressed and ready-to-work state. Then, the nut 24 is threaded to the threaded part of the second half-threaded bolt 21, so that one side of the nut 24 contacts one side of one of the washers 22, and the other side of the washer 22 contacts the outside of the control cabinet 1. Through this assembly, the elasticity of the spring 23 increases the thread friction between the nut 24 and the second half-threaded bolt 21, and the semiconductor dehumidifier 18 is stably installed in the control cabinet 1. After the installation is completed, the semiconductor dehumidifier 18 is ready to work at any time. When the control panel 3 receives a dehumidification signal from the sensor 16, it will activate the semiconductor dehumidifier 18. The semiconductor dehumidifier 18 uses the Peltier effect to condense water vapor into liquid. The condensate is discharged through the water pipe 19 on the opposite side of the semiconductor dehumidifier 18. At the same time, the control panel 3 will turn on the fan 11 at the top of the through hole 10 inside the support platform 7. The fan 11 rotates to accelerate the air circulation inside the cabinet, assisting in dehumidification and avoiding excessive local temperature differences. The support components at the bottom of the support platform 7 ensure the stable support of the entire control cabinet 1 and reduce the impact of external factors on the equipment inside the cabinet. In addition, the filter plate 12 at the bottom of the through hole 10 inside the support platform 7 can perform preliminary filtration of the air entering the through hole 10. The filter plate 12 is installed by the first semi-threaded bolt 13, which is convenient for later disassembly and cleaning, ensuring ventilation and filtration effects.

[0027] Throughout the operation, the triangular rain cover 5 on the top of the control cabinet 1 can prevent rainwater from entering, and the heat dissipation holes 6 on the top of the left and right sides can help the air inside the cabinet to circulate and dissipate heat with the outside. The handle groove 4 on the surface of the protective door 2 makes it convenient for operators to open and close the protective door 2. All the components work together to continuously monitor and regulate the environment inside the cabinet, prevent condensation, ensure the stable and reliable operation of the power distribution cabinet, and extend the service life of electrical equipment.

[0028] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A smart anti-condensation control device for a power distribution cabinet, characterized in that, include: The control cabinet (1) has two protective doors (2) rotatably connected to the front side of the control cabinet (1). The surface of the protective door (2) at the top is provided with a control panel (3). The surface of the protective door (2) has two handle slots (4). The top of the control cabinet (1) is fixedly connected with a triangular rain cover (5). The top of the left and right sides of the control cabinet (1) are provided with heat dissipation holes (6). The bottom of the control cabinet (1) is fixedly connected with a support platform (7). Support components are installed at the bottom of the support platform (7); Through hole (10), the support platform (7) has a through hole (10) inside, a fan (11) is fixedly connected to the top of the inner wall of the through hole (10), a filter plate (12) is slidably connected to the bottom of the inner wall of the through hole (10), and a first semi-threaded bolt (13) is slidably connected to the inner wall of the four corners of the filter plate (12). Mounting bracket (14), multiple mounting brackets (14) are fixedly connected to the top of the inside of the control cabinet (1), multiple mounting slots (15) are opened on the surface of the mounting bracket (14), and sensors (16) are symmetrically installed on both sides of the middle of the inner wall of the control cabinet (1). A frame-type pad (17) is fixedly connected to the inner wall of the bottom of the left and right sides of the control cabinet (1). A semiconductor dehumidifier (18) is installed in the inner frame of the frame-type pad (17). A water pipe (19) is installed on the far side of the two semiconductor dehumidifiers (18). An assembly plate (20) is fixedly connected to the four corners of the near side of the two semiconductor dehumidifiers (18). A second half-threaded bolt (21) is slidably connected inside the assembly plate (20). Two washers (22) are slidably connected to the unthreaded part of the second half-threaded bolt (21). A spring (23) is fixedly connected to the near side of the two washers (22). A nut (24) is threadedly connected to the threaded part of the second half-threaded bolt (21).

2. The intelligent anti-condensation control device for a power distribution cabinet according to claim 1, characterized in that, The support assembly includes multiple support legs (8), the top of the multiple support legs (8) is fixedly connected to the four corners of the bottom of the support platform (7), and the bottom of the support legs (8) is fixedly connected to a rubber pad (9).

3. The intelligent anti-condensation control device for a power distribution cabinet according to claim 1, characterized in that, The top outer end of the plurality of first semi-threaded bolts (13) is threaded to the bottom inner wall of the support platform (7).

4. The intelligent anti-condensation control device for a power distribution cabinet according to claim 1, characterized in that, Two sensors (16) are used, one is a humidity sensor and the other is a temperature sensor.

5. The intelligent anti-condensation control device for a power distribution cabinet according to claim 1, characterized in that, The unthreaded portion of the second semi-threaded bolt (21) is slidably connected to the inner wall of the control cabinet (1), and the opposite side of the plurality of assembly plates (20) is in contact with the bottom inner wall of the control cabinet (1).

6. The intelligent anti-condensation control device for a power distribution cabinet according to claim 1, characterized in that, One side of the nut (24) contacts one side of one of the washers (22), and one side of the other washer (22) contacts the outside of the control cabinet (1).

7. The intelligent anti-condensation control device for a power distribution cabinet according to claim 1, characterized in that, The fan (11), sensor (16) and semiconductor dehumidifier (18) are connected to the control panel (3) by telecommunications.

8. The intelligent anti-condensation control device for a power distribution cabinet according to claim 2, characterized in that, The top of the filter plate (12) is in contact with the bottom of the support platform (7).