Low-voltage power distribution cabinet capable of preventing rainwater from flowing backwards

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
Through the design of anti -pouring components in high and low voltage distribution cabinets and anti -inverted heat dissipation components, the problem of rainwater pouring into the cabinet is solved, effective waterproof and good heat dissipation effects are achieved, and the power distribution settings are protected.

CN222422797UActive Publication Date: 2025-01-28TANGSHAN QICHENG ELECTRIC CO LTD

View PDF 0 Cites 0 Cited by

Patent Information

Application Number: CN202323431351.1
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2023-12-15
Publication Date: 2025-01-28
Estimated Expiration: 2033-12-15

AI Technical Summary

Technical Problem

Since high and low voltage distribution cabinets need to be equipped with heat dissipation holes, they cannot be fully enclosed, which makes it easy for rainwater to flow back into the cabinet during rainy weather, resulting in damage to internal water inlet and distribution settings.

Method used

A low -voltage power distribution cabinet that is anti -water -proof irrigation is designed. By setting up anti -pouring components and anti -inverted heat dissipation components, including intake fan, filter, inner cover and electric retractable rod on the outside of the cabinet, to ensure gas flow and heat dissipation At the same time, prevent rainwater from entering under wind and rain.

Benefits of technology

Effectively avoid rainfall into the power distribution cabinet, ensure the internal drying, protect the power distribution settings, maintain a good heat dissipation effect, and provide good waterproof performance in wind and rain.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN222422797U_ABST

Patent Text Reader

Abstract

The utility model relates to the technical field of high-low voltage power distribution cabinets, and provides a low-voltage power distribution cabinet capable of preventing rainwater from flowing backwards, which comprises a cabinet body, a top cover fixedly connected to the top of the cabinet body, an anti-backflow heat dissipation assembly arranged inside the cabinet body, an anti-backflow assembly arranged outside the cabinet body and comprising an inner cover fixed to the top inside the cabinet body, and an outer cover fixed to the top inside the cabinet body. The bottom of the inner cover is of an opening structure, air inlet fans are installed on the surfaces of the two opposite sides of the cabinet body, a sleeve frame is fixedly connected to the side surface of the cabinet body, and a filter screen is inserted into the sleeve frame. Through the technical scheme, the problems that the power distribution cabinet cannot be totally closed due to the fact that heat dissipation holes need to be formed in power distribution equipment in the power distribution cabinet for heat dissipation treatment in related technologies, and rainwater easily flows backwards into the high-voltage and low-voltage power distribution cabinet to cause water to enter the power distribution cabinet when it rains are solved. And thus, the internal power distribution device is damaged.

Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of high and low voltage distribution cabinets, and specifically to a low voltage distribution cabinet capable of preventing rainwater from flowing back. Background Art

[0002] High and low voltage distribution cabinets are distribution equipment used for power distribution, control, metering and cable connection in power supply systems. Generally, power supply bureaus and substations use high voltage switch cabinets, which are then stepped down by transformers and led out to low voltage distribution cabinets. Low voltage distribution cabinets are then led to distribution boards, control boxes and switch boxes for each power user. The equipment inside is a distribution device that is assembled into one by some switches, circuit breakers, fuses, buttons, indicator lights, meters, wires and other protective devices to meet the design functional requirements.

[0003] High and low voltage distribution cabinets are usually placed outdoors for use. Since the distribution equipment in the distribution cabinet needs to be equipped with heat dissipation holes for heat dissipation, the distribution cabinet cannot be fully enclosed. When it rains, rainwater can easily flow back into the high and low voltage distribution cabinets, causing water to enter the distribution cabinets, thereby causing damage to the internal distribution settings. Therefore, it is necessary to design a high and low voltage distribution cabinet that can prevent rainwater backflow. Utility Model Content

[0004] The utility model proposes a low-voltage power distribution cabinet which is rainwater-proof, and solves the problem in the related art that since the power distribution equipment in the power distribution cabinet needs to be provided with heat dissipation holes for heat dissipation treatment, the power distribution cabinet cannot be fully enclosed. When it rains, rainwater easily flows back into the high and low voltage power distribution cabinets, causing water to enter the power distribution cabinets, thereby causing damage to the internal power distribution settings.

[0005] The technical solution of the utility model is as follows:

[0006] A cabinet body, wherein a top cover is fixedly connected to the top of the cabinet body;

[0007] A backflow prevention component, wherein the backflow prevention component is arranged outside the cabinet;

[0008] An anti-backflow heat dissipation component is arranged inside the cabinet, and the anti-backflow heat dissipation component includes an inner cover, which is fixed on the top of the cabinet, and the bottom of the inner cover is an open structure. Intake fans are installed on both sides of the cabinet, and a sleeve frame is fixedly connected to the side surface of the cabinet, and a filter net is inserted in the sleeve frame.

[0009] As a further technical solution, a number of fixed columns are fixedly connected to the inner surface of the cabinet, a mounting plate is fixedly connected to the surface of the fixed columns, a ventilation mesh is provided on the surface of the mounting plate, an air outlet is provided on the top of the cabinet, an electric telescopic rod is horizontally installed on the top of the cabinet, and the output end of the electric telescopic rod is connected to the top plate.

[0010] As a further technical solution, the backflow prevention component includes a pair of cabinet doors, which are rotatably connected to the cabinet surface via a pin shaft, a card slot is provided on the upper end of the cabinet door surface, a lock frame is rotatably connected to the cabinet surface, and a blocking plate is fixedly connected to the lower end of the cabinet surface.

[0011] As a further technical solution, the card slot and the lock frame are both transition structures, and the lock frame can be rotated 360° by rotating the connection.

[0012] As a further technical solution, the blocking plate is fixedly connected in a downwardly inclined manner and is located directly below the cabinet door.

[0013] As a further technical solution, a reinforcing rod is connected between the side surface of the cabinet and the bottom surface of the top cover.

[0014] As a further technical solution, the filter screen and the sleeve frame are connected by transverse insertion, and the cross section of the sleeve frame is an L-shaped structure.

[0015] As a further technical solution, the top plate is in sealed sliding contact with the upper surface of the cabinet.

[0016] The working principle and beneficial effects of the utility model are:

[0017] In order to prevent rainwater from entering the cabinet at the exhaust, the utility model has designed an anti-backflow heat dissipation component, air intake fans are installed on both sides of the cabinet, and a filter is connected to the outside by a horizontal plug-in method to filter the air entering the cabinet, and an inner cover is provided on the top of the cabinet, with the opening of the inner cover facing downward, so that gas can flow in the cabinet and discharge heat at the air outlet on the top, which can effectively ensure the heat dissipation effect, and the air outlet can be covered by a top plate controlled by an electric telescopic rod to prevent rainwater from entering in windy and rainy weather, and has a good effect of preventing rainwater from backflowing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

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

[0020] Figure 2 This is the axonometric drawing of the utility model;

[0021] Figure 3 It is a cross-sectional view of the utility model;

[0022] Figure 4 This is a cross-sectional view from another perspective of the utility model;

[0023] Figure 5 This is a cross-sectional view from another perspective of the utility model;

[0024] Figure 6 For the utility model Figure 2 A partial enlarged view of part A;

[0025] In the figure: 1. cabinet body; 2. top cover; 3. anti-backflow heat dissipation component; 3-1. inner cover; 3-2. air intake fan; 3-3. sleeve frame; 3-4. filter; 3-5. fixing column; 3-6. mounting plate; 3-7. ventilation mesh; 3-8. air outlet; 3-9. electric telescopic rod; 3-10. top plate; 4. anti-backflow component; 4-1. cabinet door; 4-2. card slot; 4-3. lock frame; 4-4. blocking plate; 5. reinforcing rod. DETAILED DESCRIPTION

[0026] The following will be combined with 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 of 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] like Figure 1 to Figure 6 As shown, this embodiment provides a low-voltage power distribution cabinet for preventing rainwater backflow, including

[0028] A cabinet body 1, with a top cover 2 fixedly connected to the top of the cabinet body 1;

[0029] The backflow prevention component 4 is arranged outside the cabinet 1;

[0030] The anti-backflow heat dissipation component 3 is arranged inside the cabinet 1, and the anti-backflow heat dissipation component 3 includes an inner cover 3-1, which is fixed to the top of the cabinet 1, and the bottom of the inner cover 3-1 is an open structure. Intake fans 3-2 are installed on the opposite sides of the cabinet 1, and a sleeve 3-3 is fixedly connected to the side surface of the cabinet 1. A filter screen 3-4 is inserted and connected in the sleeve 3-3. A plurality of fixed columns 3-5 are fixedly connected to the inner surface of the cabinet 1, and a mounting plate 3-6 is fixedly connected to the surface of the fixed column 3-5. A ventilation mesh 3-7 is provided on the surface of the mounting plate 3-6. An air outlet 3-8 is provided on the top of the cabinet 1, and an electric telescopic rod 3-9 is horizontally installed on the top of the cabinet 1, and a top plate 3-10 is connected to the output end of the electric telescopic rod 3-9.

[0031] In this embodiment, in order to prevent rainwater from flowing back into the cabinet 1 at the heat dissipation holes and other locations, an anti-backflow heat dissipation component 3 is designed. An inner cover 3-1 is arranged at the top of the cabinet 1. The bottom of the inner cover 3-1 is an opening structure. The air intake fans 3-2 on both sides of the cabinet 1 supply air to the inner cover 3-1. The intake gas will flow downward at the opening and pass through the ventilation mesh 3-7 on the surface of the mounting plate 3-6. An air outlet 3-8 is opened on the other side of the top of the cabinet 1. The gas inside flows downward and is discharged at the air outlet 3-8, so that the inside A gas flow effect is formed to quickly dissipate heat, and a filter screen 3-4 is connected to the outside of the air intake fan 3-2 through a sleeve 3-3 to block the entry of dust. It can effectively prevent water from entering when combined with the top cover 2 on the top of the cabinet 1. In windy and rainy weather, an electric telescopic rod 3-9 is horizontally installed on the top of the cabinet 1, and a top plate 3-10 is connected to the output end of the electric telescopic rod 3-9. The electric telescopic rod 3-9 can be started to push the top plate 3-10 to cover the air outlet 3-8, thereby blocking the air outlet 3-8 and preventing rainwater from entering.

[0032] Specifically, in order to prevent rainwater from flowing back into the cabinet body 1 through the gap of the cabinet door 4 - 1 , an anti-backflow component 4 is designed on the surface of the cabinet body 1 .

[0033] Furthermore, the backflow prevention component 4 includes a pair of cabinet doors 4-1, which are rotatably connected to the surface of the cabinet body 1 through a pin shaft, a card slot 4-2 is provided on the upper end of the surface of the cabinet door 4-1, a lock frame 4-3 is rotatably connected to the surface of the cabinet body 1, and a blocking plate 4-4 is fixedly connected to the lower end of the surface of the cabinet body 1.

[0034] In this embodiment, two cabinet doors 4-1 are rotatably connected to the side surface of the cabinet body 1 by pins, and the cabinet doors 4-1 can be opened to both sides. A card slot 4-2 is provided on the top of the cabinet door 4-1, and a lock frame 4-3 is rotatably connected to the surface of the cabinet body 1. The lock frame 4-3 can be inserted into the card slot 4-2 by rotation, so that the cabinet door 4-1 is firmly pressed against the surface of the cabinet body 1 to maintain a close fit, and a blocking plate 4-4 is fixedly connected directly below the cabinet door 4-1, and the blocking plate 4-4 can prevent rainwater from seeping upward from the bottom.

[0035] Furthermore, the card slot 4-2 and the lock frame 4-3 are both transition structures, and the lock frame 4-3 can be rotated 360° through the rotating connection.

[0036] In this embodiment, the arc-shaped transition structure allows the lock frame 4-3 to be inserted into the card slot 4-2 in a 360° rotation manner, so that it is easy to open.

[0037] Furthermore, the blocking plate 4 - 4 is fixedly connected in a downwardly inclined manner and is located directly below the cabinet door 4 - 1 .

[0038] In this embodiment, the blocking plate 4 - 4 can concentrate rainwater to flow downwards through the tilt angle.

[0039] Furthermore, a reinforcing rod 5 is connected between the side surface of the cabinet 1 and the bottom surface of the top cover 2 .

[0040] In this embodiment, the top cover 2 is connected to the back of the cabinet 1 by a reinforcing rod 5 to enhance the firmness of the top cover 2 .

[0041] Furthermore, the filter screen and the sleeve frame 3 - 3 are connected by transverse insertion, and the cross section of the sleeve frame 3 - 3 is an L-shaped structure.

[0042] In this embodiment, the filter screen can be inserted into the interior through the opening structure of the sleeve 3-3, and through the L-shaped structure, included on the outside of the sleeve 3-3, it has a good firm effect and will not fall off.

[0043] Furthermore, the top plate 3 - 10 is in sealed sliding fit with the upper surface of the cabinet 1 .

[0044] In this embodiment, by sealing and sliding, there is no gap between the top plate 3-10 and the upper surface of the cabinet 1, and air will not penetrate into the air outlet 3-8. In windy and rainy weather, the cabinet 1 can be cooled by being covered by rainwater, and there is no need to maintain exhaust during this period.

[0045] When the cabinet 1 is in use, the top cover 2 can be used to cover the top of the cabinet 1 to block rain. Under normal weather conditions, keep the air intake fan 3-2 started, and the external air enters the inner cover 3-1 and flows downward at the bottom opening to discharge the heat at the top air outlet 3-8. It is necessary to check the status of the filter 3-4 regularly and clean the dust in time to avoid affecting the air intake effect. If it is windy and rainy, start the electric telescopic rod 3-9, push out the top plate 3-10 to cover the air outlet 3-8 to prevent rain from entering. When opening the cabinet door 4-1, the lock frame 4-3 can be rotated to disengage from the card slot 4-2, and then the cabinet door 4-1 can be opened. The rain will slide down on the inclined surface of the blocking plate 4-4 and will not enter the cabinet 1 with the cabinet door 4-1.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-voltage power distribution cabinet that prevents rainwater from flowing back, characterized in that: include A cabinet body (1), wherein a top cover (2) is fixedly connected to the top of the cabinet body (1); A backflow prevention component (4), wherein the backflow prevention component (4) is arranged outside the cabinet (1); A backflow prevention heat dissipation component (3) is arranged inside the cabinet (1), the backflow prevention heat dissipation component (3) comprises an inner cover (3-1), the inner cover (3-1) is fixed to the top of the cabinet (1), the bottom of the inner cover (3-1) is an open structure, air intake fans (3-2) are installed on two opposite sides of the cabinet (1), a sleeve frame (3-3) is fixedly connected to the side surface of the cabinet (1), and a filter screen (3-4) is inserted and connected inside the sleeve frame (3-3).

2. A low-voltage power distribution cabinet for preventing rainwater backflow according to claim 1, characterized in that: A plurality of fixing columns (3-5) are fixedly connected to the inner surface of the cabinet (1); a mounting plate (3-6) is fixedly connected to the surface of the fixing column (3-5); a ventilation mesh (3-7) is provided on the surface of the mounting plate (3-6); an air outlet (3-8) is provided on the top of the cabinet (1); an electric telescopic rod (3-9) is horizontally installed on the top of the cabinet (1); and an output end of the electric telescopic rod (3-9) is connected to a top plate (3-10).

3. A low-voltage power distribution cabinet for preventing rainwater backflow according to claim 1, characterized in that: The backflow prevention assembly (4) comprises a pair of cabinet doors (4-1), the cabinet doors (4-1) being rotatably connected to the surface of the cabinet body (1) via a pin shaft, a card slot (4-2) being provided at the upper end of the surface of the cabinet doors (4-1), a lock frame (4-3) being rotatably connected to the surface of the cabinet body (1), and a blocking plate (4-4) being fixedly connected to the lower end of the surface of the cabinet body (1).

4. A low-voltage power distribution cabinet for preventing rainwater backflow according to claim 3, characterized in that: The card slot (4-2) and the lock frame (4-3) are both transition structures, and the lock frame (4-3) can be rotated 360 degrees through a rotating connection.

5. A low-voltage power distribution cabinet for preventing rainwater backflow according to claim 3, characterized in that: The blocking plate (4-4) is fixedly connected in a downwardly inclined manner and is located directly below the cabinet door (4-1).

6. A low-voltage power distribution cabinet for preventing rainwater backflow according to claim 1, characterized in that: A reinforcing rod (5) is connected between the side surface of the cabinet (1) and the bottom surface of the top cover (2).

7. A low-voltage power distribution cabinet for preventing rainwater backflow according to claim 1, characterized in that: The filter screen (3-4) and the sleeve frame (3-3) are connected in a transverse insertion manner, and the cross section of the sleeve frame (3-3) is in an L-shaped structure.

8. A low-voltage power distribution cabinet for preventing rainwater backflow according to claim 2, characterized in that: The top plate (3-10) and the upper surface of the cabinet (1) are in sealing and sliding contact.