Anti-creeping low-voltage power distribution cabinet

Abstract

The utility model relates to the technical field of low-voltage power distribution cabinets, in particular to an anti-creeping low-voltage power distribution cabinet, which comprises a cabinet body and a cabinet door, a plurality of shielding assemblies are arranged in the cabinet body, and each shielding assembly comprises a mounting rack detachably connected in the cabinet body; the protection box is fixedly arranged on the mounting frame; the two sides of the sealing plate are slidably connected into the first open grooves in the protection box correspondingly. And the locking device is used for fixing the sealing plate in the protection box so as to be matched with the protection box to form a sealed space. And an insulating layer is arranged on the inner wall of the protection box. Through the shielding assembly, equipment which is susceptible to electromagnetic interference is firstly installed in the protection box, then the sealing plate is fixed in the protection box through the locking device, so that a Faraday cage is formed, electromagnetic interference of other equipment on the equipment in the protection box is isolated, the protection box is installed in the cabinet body through the installation frame, and installation can be completed. The operation is simple, and stable operation of equipment susceptible to electromagnetic interference can be ensured.

Description

Technical Field

[0001] This utility model relates to the field of low-voltage distribution cabinet technology, specifically to a low-voltage distribution cabinet that is leak-proof. Background Technology

[0002] Low-voltage switchgear, also known as low-voltage distribution cabinet, has a lower voltage level. The cabinet is generally made of thin steel plate. The product itself is generally only for power distribution. It usually has several circuit breakers installed inside, which are a kind of switch with protective functions. The main function of low-voltage switchgear is to open, close, control and protect electrical equipment in the process of power generation, transmission, distribution and power conversion in the power system. The internal components of low-voltage switchgear mainly consist of circuit breakers, disconnect switches, load switches and various protective devices.

[0003] Currently, some electrical equipment in low-voltage switchgear, such as instruments and DTUs, are susceptible to electromagnetic interference during operation. However, current low-voltage switchgear does not provide electromagnetic interference protection for such equipment, which can lead to deviations in the collected data. Utility Model Content

[0004] The purpose of this invention is to provide a low-voltage distribution cabinet that is leak-proof, in order to overcome the above-mentioned shortcomings in the prior art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A low-voltage distribution cabinet with leakage protection includes a cabinet body and a cabinet door. The cabinet body is equipped with multiple shielding components, each of which includes: a mounting bracket, detachably connected to the cabinet body; a protective box, fixedly mounted on the mounting bracket; a sealing plate, slidably connected to a first slot on the protective box on both sides; and a locking device for fixing the sealing plate inside the protective box to form a sealed space with the protective box.

[0007] Furthermore, an insulating layer is provided on the inner wall of the protective box.

[0008] Furthermore, two side frames are fixedly installed on both sides of the cabinet, and the two ends of the mounting bracket are respectively connected to the two side frames by bolts.

[0009] Furthermore, the protective box has multiple wiring holes on its side wall.

[0010] Furthermore, each of the wiring holes is sealed with a rubber sealing ring.

[0011] Furthermore, the locking device includes a locking block, which is bolted to one side of the protective box to fix the sealing plate in the first slot.

[0012] Furthermore, the sealing plate includes a sealing frame, and a sealing mesh is disposed inside the sealing frame, the sealing frame being adapted to the first slot.

[0013] Furthermore, a pressure plate is slidably connected inside the protective box, and a compression spring is provided between the pressure plate and the protective box, which causes the pressure plate to abut against the sealing plate.

[0014] Furthermore, the protective box, sealing plate, sealing frame, and pressure plate are all made of metal.

[0015] Furthermore, the metallic material is copper or aluminum.

[0016] In the above technical solution, the low-voltage distribution cabinet with leakage protection provided by this utility model has the following beneficial effects:

[0017] By using the shielding components, the equipment susceptible to electromagnetic interference is first installed inside the protective box. Then, the sealing plate is fixed inside the protective box using a locking device, thus forming a Faraday cage. This isolates the equipment inside the protective box from electromagnetic interference from other equipment. The protective box is then installed into the cabinet using a mounting bracket, completing the installation process. The operation is simple.

[0018] It should be understood that the foregoing general description and the following detailed description are exemplary and illustrative only, and are not intended to limit this disclosure.

[0019] This application provides an overview of various implementations or examples of the technology described in this disclosure, and is not a full disclosure of the entire scope or all features of the disclosed technology. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0021] Figure 1 A schematic diagram of the overall structure provided for an embodiment of this utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the cabinet provided in an embodiment of the present utility model;

[0023] Figure 3 A schematic diagram of the shielding component structure provided in an embodiment of this utility model;

[0024] Figure 4 A schematic diagram of the protective box structure provided in this embodiment of the utility model;

[0025] Figure 5 A schematic diagram of the sealing plate structure provided in an embodiment of this utility model;

[0026] Figure 6 This is a cross-sectional structural diagram of the protective box provided in an embodiment of the present utility model.

[0027] Explanation of reference numerals in the attached figures:

[0028] 1. Cabinet body; 11. Side frame; 12. Cabinet door; 2. Shielding assembly; 21. Mounting bracket; 22. Protective box; 21. First slot; 23. Sealing plate; 24. Locking device; 3. Wiring hole; 4. Locking block; 51. Sealing frame; 52. Sealing mesh; 61. Pressure plate; 62. Compression spring. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0030] Please see Figure 1-6 A low-voltage distribution cabinet for preventing leakage current includes a cabinet body 1 and a cabinet door 12. The cabinet body 1 is equipped with multiple shielding components 2. The shielding components 2 include: a mounting bracket 21, which is detachably connected to the cabinet body 1; a protective box 22, which is fixedly mounted on the mounting bracket 21; a sealing plate 23, which is slidably connected to the first slot 221 on the protective box 22 on both sides; and a locking device 24, which is used to fix the sealing plate 23 in the protective box 22 so as to cooperate with the protective box 22 to form a sealed space.

[0031] Each protective box 22 is grounded, so that when external electromagnetic waves act on the Faraday cage, the charge induced on the Faraday cage is quickly discharged to the ground, reducing the possibility of interference to the internal electronic equipment.

[0032] Furthermore, an insulating layer is provided on the inner wall of the protective box 22, thereby improving the insulation performance of the protective box 22.

[0033] Furthermore, two side frames 11 are fixedly installed on both sides of the cabinet 1, and the two ends of the mounting bracket 21 are respectively connected to the two side frames 11 by bolts. The side frames 11 are provided with vertical slots, so as to facilitate the selection of a suitable height for installing each protective box 22, thereby further improving the utilization of the internal space of the cabinet 1.

[0034] Furthermore, the protective enclosure 22 has multiple wiring holes 3 on its side wall. Each wiring hole 3 is sealed with a rubber sealing ring. The rubber sealing ring can insulate the connecting cables inside the protective enclosure 22.

[0035] Furthermore, the locking device 24 includes a locking block 4, which is bolted to one side of the protective box 22 to fix the sealing plate 23 in the first slot 221. The protective box 22 is provided with screw holes that match the bolts. The operator rotates the bolts to fix the locking block 4 to the protective box 22, thereby fixing the sealing plate 23 in the first slot 221. This allows the protective box 22, the sealing plate 23, and the locking block 4 to form a sealed space, thus forming a Faraday cage. This design facilitates disassembly and allows the operator to maintain the electrical components inside the protective box 22.

[0036] Furthermore, the sealing plate 23 includes a sealing frame 51, within which a sealing mesh 52 is disposed. The sealing frame 51 is adapted to the first slot 221. The sealing mesh 52 can dissipate heat, provide a field of view for observing the operating status of the equipment, and also maintain the Faraday cage to avoid electromagnetic interference.

[0037] Furthermore, a pressure plate 61 is slidably connected inside the protective box 22, and a compression spring 62 is provided between the pressure plate 61 and the protective box 22. The compression spring 62 causes the pressure plate 61 to abut against the sealing plate 23. There can be multiple compression springs 62. Under the action of the compression springs 62, the pressure plate 61 abuts against the sealing frame 51 of the sealing plate 23, further improving the sealing performance between the sealing plate 23 and the protective box 22, thereby enhancing the anti-interference effect of the Faraday cage.

[0038] Furthermore, the protective box 22, sealing plate 23, sealing frame 51, and pressure plate 61 are all made of metal materials.

[0039] Furthermore, the metal material is either copper or aluminum. Aluminum is more economical, while copper has better electrical conductivity; the choice should be made flexibly based on the specific project requirements.

[0040] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A low-voltage power distribution cabinet that prevents electric leakage, comprising a cabinet body (1) and a cabinet door (12), characterized in that: The cabinet (1) is equipped with multiple shielding components (2), and the shielding components (2) include: Mounting bracket (21) is detachably connected to the cabinet (1); The protective box (22) is fixedly mounted on the mounting bracket (21); The sealing plate (23) is slidably connected to the first slot (221) on the protective box (22) on both sides; Locking device (24) is used to fix sealing plate (23) inside protective box (22) to form a sealed space with protective box (22).

2. The electric leakage-proof low-voltage power distribution cabinet according to claim 1, characterized in that, An insulating layer is provided on the inner wall of the protective box (22).

3. The electric leakage-proof low-voltage power distribution cabinet according to claim 1, characterized in that, The cabinet (1) has two side frames (11) fixedly installed on both sides, and the mounting bracket (21) is connected to the two side frames (11) by bolts at both ends.

4. The electrically safe low voltage switchgear of claim 1, wherein, The protective box (22) has multiple wiring holes (3) on its side wall.

5. The electrically safe low voltage switchgear according to claim 4, characterized in that, Each of the wiring holes (3) is sealed with a rubber sealing ring.

6. The electrically leakproof low voltage switchgear according to claim 1, wherein, The locking device (24) includes a locking block (4), which is bolted to one side of the protective box (22) to fix the sealing plate (23) in the first slot (221).

7. The electrically leakproof low voltage switchgear according to claim 1, wherein, The sealing plate (23) includes a sealing frame (51), and a sealing mesh (52) is provided inside the sealing frame (51). The sealing frame (51) is adapted to the first slot (221).

8. The electric leakage-proof low-voltage switchgear according to claim 7, characterized in that, Inside the protective box (22), there is also a sliding connection of a pressure plate (61), and a compression spring (62) is provided between the pressure plate (61) and the protective box (22). The compression spring (62) causes the pressure plate (61) to abut against the sealing plate (23).

9. The electric leakage protection low-voltage power distribution cabinet according to any one of claims 1-8, characterized in that, The protective box (22), sealing net (52), sealing frame (51) and pressure plate (61) are all made of metal.

10. The electrically safe low voltage switchgear according to claim 9, characterized in that, The metal material is copper or aluminum.

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