An electric shock prevention structure of a charging pile power distribution cabinet

By installing protective and locking components in the charging pile distribution cabinet, using plastic protective panels to shield electrical components and lock the door, the risk of electric shock caused by exposed components in traditional distribution cabinets is solved, improving safety and pre-operation awareness.

CN224318915UActive Publication Date: 2026-06-02广东中亿达科技有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
广东中亿达科技有限公司
Filing Date
2025-05-26
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

When the door of a traditional charging station's power distribution cabinet is opened, the internal electrical components and wiring terminals are exposed, which can easily lead to accidental electric shock for staff and pose a safety hazard.

Method used

A protective and locking mechanism was designed, including a plastic protective plate, a support assembly, a locking assembly, and a locking part. The plastic protective plate shields electrical components, and the locking part prevents unauthorized personnel from opening the door. Warning signs are also provided to remind staff to pay attention to safety.

Benefits of technology

It effectively prevents staff and outsiders from coming into contact with the wiring terminals, avoids the risk of electric shock, improves the safety of the charging pile distribution cabinet, and ensures that staff can take protective measures before operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of electric shock protection structure of charging pile switchboard, it is related to charging pile switchboard technical field.The utility model includes switchboard, the door plate is hingedly installed in switchboard front, the door plate front is fixedly connected with danger warning board one, the door plate inside is rotatably connected with pivot, the pivot is also set in switchboard front opening bottom, further include: protection part, the protection part is installed in the inside of switchboard.The utility model is by setting protection part, specifically is that plastic protection plate is installed to the plastic support frame of top and bottom, plastic protection plate is limited and fixed on plastic support frame, when door plate is opened, then plastic protection plate will shield inside electrical component, avoid staff or outsider directly with wiring terminal contact, protect user not to be threatened by electric shock, and safety warning board two will remind staff danger, facilitate staff to do protection measure in advance.
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Description

Technical Field

[0001] This utility model belongs to the technical field of charging pile distribution cabinets, and in particular relates to an electric shock protection structure for charging pile distribution cabinets. Background Technology

[0002] Charging piles are specialized devices that provide electrical energy to electric vehicles. They charge vehicle batteries by connecting to the power grid and are a key infrastructure in the electric vehicle industry chain. The charging pile distribution cabinet is the core equipment in the electric vehicle charging pile system for power distribution, control, protection and management. It is responsible for converting the grid power into voltage and current suitable for the operation of the charging pile and ensuring the safety and stability of the charging process.

[0003] Traditional charging pile distribution cabinets typically expose internal electrical components and wiring terminals when the door is opened. During inspection or maintenance, these exposed components and terminals can easily lead to accidental contact with the terminals, resulting in electric shock and posing a safety hazard. Utility Model Content

[0004] The purpose of this utility model is to provide an electric shock protection structure for a charging pile distribution cabinet. By setting up a protective part, specifically, when the door is opened, the plastic protective plate will shield the internal electrical components, preventing staff or outsiders from directly contacting the wiring terminals and protecting users from the threat of electric shock. In addition, the safety warning sign will remind staff of the danger, making it easier for them to take protective measures in advance. This solves the problem that in traditional charging pile distribution cabinets, when the door is opened, the internal electrical components and wiring terminals are usually directly exposed, which may cause staff to accidentally touch the wiring terminals and cause electric shock during operation.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to an electric shock protection structure for a charging pile power distribution cabinet, comprising a power distribution cabinet, a door panel hinged to the front of the power distribution cabinet, a hazard warning sign fixedly connected to the front of the door panel, a rotating shaft rotatably connected inside the door panel, and a positioning insertion hole provided at the bottom of the opening on the front of the power distribution cabinet, and further comprising:

[0007] A protective section, installed inside the distribution cabinet, is used for protection when the door is opened; and

[0008] A locking part is installed on the back of the door panel, and the locking part is used to lock the door panel to the power distribution cabinet to prevent outsiders from opening the door panel;

[0009] The protective unit includes a plastic protective panel installed inside the distribution cabinet. A second safety warning sign and a handle are fixedly connected to the front of the plastic protective panel. The handle and the plastic protective panel are integrally formed, and the second safety warning sign is installed on the plastic protective panel with screws.

[0010] The first danger warning sign is used to warn outsiders. The front of the pivot is horizontal with the door panel. After the door panel is opened, the second safety warning sign on the plastic protective plate can warn again, so that staff can take protective measures. The handle is used to assist in the disassembly of the plastic protective plate.

[0011] Furthermore, the protective part also includes a support assembly, which is mounted on the outside of the plastic protective plate and is used to position and install the plastic protective plate; and

[0012] A locking assembly is installed on the back of the plastic protective plate. The locking assembly is used to cooperate with the support assembly to lock and fix the plastic protective plate.

[0013] Furthermore, the support assembly includes plastic support frames fixedly connected to the top and bottom of the inner wall of the distribution cabinet. The plastic protective plates are positioned and fitted with the two plastic support frames. The lower plastic support frame has several slots. A plastic positioning strip is fixedly connected between the two plastic support frames. The plastic support frames are installed inside the distribution cabinet by screws.

[0014] The plastic positioning strip is used to position the plastic protective plate during installation, making the plastic protective plate more stable after installation.

[0015] Furthermore, the locking assembly includes several plastic clips fixedly connected to the back of the plastic protective plate. The plastic clips are arranged in pairs, and the two plastic clips in each pair are symmetrically arranged. An arc-shaped plastic spring is fixedly connected to one side of each pair of plastic clips that are close to each other. The plastic clips and the plastic spring are integrally formed, and the plastic spring is used to spring back the plastic clips to reset.

[0016] The plastic card is V-shaped and engages with the slot on the lower plastic support frame to hold and fix the plastic protective plate in place.

[0017] Furthermore, the locking part includes a fixed seat fixedly connected to the back of the door panel. The fixed seat has a limiting groove inside, and a rod is slidably connected inside the limiting groove. A protruding rod is fixedly connected to the top of the rod, and a protruding ring is fixedly connected to the outside of the rod. A spring is sleeved on the outside of the rod. A circular push block is fixedly connected to the back of the rotating shaft. The protruding rod is used to cooperate with the circular push block to drive the rod to move. One side of the circular push block is raised.

[0018] The circular push block is located at the bottom of the protruding rod. When the circular push block rotates, it pushes the protruding rod upward. The bottom of the insertion rod is adapted to the positioning hole. After the insertion rod is inserted into the positioning hole, it restricts and fixes the door panel.

[0019] Furthermore, the top and bottom of the insertion rod both penetrate the fixing seat and extend to the outside, the convex ring is slidably connected inside the limiting groove, the top of the spring is fixedly connected to the inner wall of the limiting groove, and the bottom of the spring is fixedly connected to the top of the convex ring;

[0020] The spring is used to store force when the insertion rod is pulled, so that the insertion rod can be reset by elastic force later.

[0021] This utility model has the following beneficial effects:

[0022] 1. This utility model features a protective section, specifically a plastic protective plate installed by aligning it with the top and bottom plastic support frames. The plastic plate then engages with the socket on the lower plastic support frame, securing the plastic protective plate to the support frame. When the door is opened, the plastic protective plate shields the internal electrical components, preventing workers or outsiders from directly contacting the wiring terminals and protecting users from electric shock. Furthermore, the safety warning sign alerts workers to the danger, allowing them to take preventative measures in advance.

[0023] 2. This utility model features a locking mechanism. Specifically, when the door panel is opened, a staff member needs to insert a key into the pivot and then rotate the pivot counterclockwise. This causes the circular push block to push the protruding rod upward, at which point the rod moves upward and disengages from the positioning hole, releasing the door panel's limit. The door panel can then be pulled open. This method prevents unauthorized personnel from opening the door panel without a key, thus preventing electric shock and effectively providing protection.

[0024] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 2 This is a schematic diagram of the internal structure of the power distribution cabinet of this utility model;

[0028] Figure 3 This is a schematic diagram of the left-side cross-sectional structure of the power distribution cabinet of this utility model;

[0029] Figure 4 This is a schematic diagram of the overall structure of the plastic support frame of this utility model;

[0030] Figure 5 This utility model Figure 4 A magnified structural diagram of A in the diagram.

[0031] The attached diagram lists the components represented by each number as follows:

[0032] 1. Distribution cabinet; 11. Door panel; 111. Danger warning sign one; 112. Rotating shaft; 12. Positioning socket; 2. Protective part; 21. Plastic protective plate; 211. Safety warning sign two; 212. Pull handle; 22. Support assembly; 221. Plastic support frame; 222. Socket; 223. Plastic positioning strip; 23. Locking assembly; 231. Plastic clamping plate; 232. Arc-shaped plastic spring; 3. Locking part; 31. Fixing base; 32. Insert rod; 321. Protruding rod; 322. Protruding ring; 323. Spring; 33. Circular push block. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0034] Please see Figures 1-5 As shown, this utility model is an anti-electric shock protection structure for a charging pile distribution cabinet, including a distribution cabinet 1, a door panel 11 hinged to the front of the distribution cabinet 1, a hazard warning sign 111 fixedly connected to the front of the door panel 11, a rotating shaft 112 rotatably connected inside the door panel 11, a positioning insertion hole 12 opened at the bottom of the opening on the front of the distribution cabinet 1, and also includes:

[0035] Protective unit 2, installed inside the distribution cabinet 1, is used for protection after the door panel 11 is opened; and

[0036] Locking part 3 is installed on the back of door panel 11. Locking part 3 is used to lock door panel 11 to distribution cabinet 1 to prevent outsiders from opening door panel 11.

[0037] The protective unit 2 includes a plastic protective panel 21 installed inside the distribution cabinet 1. A safety warning sign 211 and a handle 212 are fixedly connected to the front of the plastic protective panel 21. When the plastic protective panel 21 is installed with the plastic support frame 221 at the top and bottom, the plastic clip 231 will be inserted into the socket 222 on the lower plastic support frame 221 to fix the plastic protective panel 21 to the plastic support frame 221. When the door panel 11 is opened, the plastic protective panel 21 will shield the internal electrical components to prevent staff or outsiders from directly contacting the wiring terminals and protect users from the threat of electric shock. In addition, the safety warning sign 211 will remind staff of the danger and make it easier for staff to take protective measures in advance.

[0038] Among them, the danger warning sign 111 is used to warn outsiders, the front of the pivot 112 is horizontal with the door panel 11, and after the door panel 11 is opened, the safety warning sign 211 on the plastic protective plate 21 can warn again, so that the staff can do a good job of protection. The handle 212 is used to assist in the disassembly of the plastic protective plate 21.

[0039] The protective part 2 also includes a support assembly 22, which is installed on the outside of the plastic protective plate 21 and is used to position and install the plastic protective plate 21; and

[0040] Locking component 23 is installed on the back of plastic protective plate 21. Locking component 23 is used to cooperate with support component 22 to lock and fix plastic protective plate 21.

[0041] The support assembly 22 includes plastic support frames 221 fixedly connected to the top and bottom of the inner wall of the distribution cabinet 1. The plastic protective plates 21 are positioned and matched with the two plastic support frames 221. Several sockets 222 are opened on the lower plastic support frame 221. A plastic positioning strip 223 is fixedly connected between the two plastic support frames 221.

[0042] The plastic positioning strip 223 is used to position the plastic protective plate 21 during installation, making the plastic protective plate 21 more stable after installation.

[0043] The locking assembly 23 includes several plastic clips 231 fixedly connected to the back of the plastic protective plate 21. The several plastic clips 231 are grouped in pairs, and the two plastic clips 231 in each group are symmetrically arranged. An arc-shaped plastic spring piece 232 is fixedly connected to the side of the two plastic clips 231 in each group that are close to each other.

[0044] The plastic card plate 231 is V-shaped and cooperates with the slot 222 on the lower plastic support frame 221 to hold and fix the plastic protective plate 21.

[0045] The locking part 3 includes a fixed base 31 fixedly connected to the back of the door panel 11. The fixed base 31 has a limit groove inside, and a rod 32 is slidably connected inside the limit groove. A protruding rod 321 is fixedly connected to the top of the rod 32, and a protruding ring 322 is fixedly connected to the outside of the rod 32. A spring 323 is sleeved on the outside of the rod 32. A circular push block 33 is fixedly connected to the back of the rotating shaft 112. When the door panel 11 is opened, the operator needs to insert a key into the rotating shaft 112 and then rotate the rotating shaft 112 counterclockwise. The circular push block 33 will push the protruding rod 321 upward. At this time, the rod 32 will move upward and disengage from the positioning hole 12, releasing the limit of the door panel 11. Then the door panel 11 can be pulled to open. In this way, without the key, outsiders cannot open the door panel 11, preventing electric shock caused by outsiders opening the door panel 11, and effectively playing a protective role.

[0046] The circular push block 33 is located at the bottom of the protruding rod 321. When the circular push block 33 rotates, it will push the protruding rod 321 upward. The bottom of the insertion rod 32 is adapted to the positioning insertion hole 12. After the insertion rod 32 is inserted into the positioning insertion hole 12, the door panel 11 is restricted and fixed.

[0047] The top and bottom of the insertion rod 32 both pass through the fixed base 31 and extend to the outside. The convex ring 322 is slidably connected inside the limiting slide groove. The top of the spring 323 is fixedly connected to the inner wall of the limiting slide groove, and the bottom of the spring 323 is fixedly connected to the top of the convex ring 322.

[0048] The spring 323 is used to store force when the insertion rod 32 is pulled, so that the insertion rod 32 can be reset by the elastic force later.

[0049] One specific application of this embodiment is:

[0050] When a staff member inserts a key into the pivot 112 and then rotates the pivot 112 counterclockwise, the pivot 112 will drive the circular push block 33 to move upward. The circular push block 33 will then push the protruding rod 321 upward. At this time, the insertion rod 32 will move upward, and the protruding ring 322 will compress the spring 323. The bottom of the insertion rod 32 will then disengage from the positioning hole 12, releasing the door panel 11 from its limit. The door panel 11 can then be pulled open. This method prevents unauthorized personnel from opening the door panel 11 without a key, thus preventing electric shock and effectively providing protection. Simultaneously, a danger warning sign 111 is installed on the door panel 11 to effectively warn unauthorized personnel. 1. Once opened, the plastic protective plate 21 will shield the internal electrical components, preventing staff or outsiders from directly contacting the wiring terminals and protecting users from the threat of electric shock. The safety warning sign 211 will also remind staff of the danger, allowing them to take protective measures in advance. After turning off the main power, the handle 212 can be pulled to move the plastic protective plate 21 and open it. When the plastic protective plate 21 is pulled, the plastic clamp 231 will be squeezed, and the arc-shaped plastic spring 232 will be squeezed by the two plastic clamps 231, allowing the plastic clamp 231 to smoothly detach from the plastic support frame 221, and the plastic protective plate 21 can be removed. Then, the staff can perform maintenance and other operations.

[0051] After the work is completed, align the plastic protective plate 21 with the top and bottom plastic support frames 221 for installation. The plastic clamp 231 will then be inserted into the socket 222 on the lower plastic support frame 221. The plastic clamp 231 will be squeezed to allow it to pass smoothly through the socket 222. Subsequently, the plastic clamp 231 will be elastically reset by the arc-shaped plastic spring 232, which will restrict and fix the plastic protective plate 21 on the plastic support frame 221. The plastic positioning strip 223 will also position the plastic protective plate 21 to improve stability.

[0052] Finally, close the door panel 11. First, use the key to rotate the pivot 112 counterclockwise so that the insertion rod 32 moves into the fixing seat 31. When the door panel 11 is completely closed, the bottom of the insertion rod 32 aligns with the positioning hole 12. Then, pull out the key, and the insertion rod 32 will be pushed down to reset under the elastic action of the spring 323. The insertion rod 32 is then inserted into the positioning hole 12, completing the fixing of the door panel 11.

[0053] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0054] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the present utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An electric shock protection structure for a charging pile distribution cabinet, comprising a distribution cabinet (1), wherein a door panel (11) is hinged to the front of the distribution cabinet (1), a hazard warning sign (111) is fixedly connected to the front of the door panel (11), a rotating shaft (112) is rotatably connected inside the door panel (11), and a positioning insertion hole (12) is provided at the bottom of the opening on the front of the distribution cabinet (1), characterized in that, Also includes: Protective part (2), the protective part (2) is installed inside the distribution cabinet (1), the protective part (2) is used for protection after the door panel (11) is opened; and Locking part (3), the locking part (3) is installed on the back of the door panel (11), the locking part (3) is used to lock the door panel (11) on the power distribution cabinet (1) to prevent outsiders from opening the door panel (11); The protective part (2) includes a plastic protective plate (21) installed inside the power distribution cabinet (1), and a safety warning sign (211) and a handle (212) are fixedly connected to the front of the plastic protective plate (21); The first danger warning sign (111) is used to warn outsiders. The front of the pivot (112) is horizontal with the door panel (11). After the door panel (11) is opened, the second safety warning sign (211) on the plastic protective plate (21) can warn again, so that the staff can do a good job of protection. The handle (212) is used to assist in the disassembly of the plastic protective plate (21).

2. The electric shock protection structure for a charging pile distribution cabinet according to claim 1, characterized in that, The protective part (2) further includes a support assembly (22), which is installed on the outside of the plastic protective plate (21) and is used to position and install the plastic protective plate (21); and Locking assembly (23) is installed on the back of plastic protective plate (21). The locking assembly (23) is used to cooperate with support assembly (22) to lock and fix plastic protective plate (21).

3. The electric shock protection structure for a charging pile distribution cabinet according to claim 2, characterized in that, The support assembly (22) includes plastic support frames (221) fixedly connected to the top and bottom of the inner wall of the distribution cabinet (1). The plastic protective plate (21) is positioned and cooperates with the two plastic support frames (221). The lower plastic support frame (221) has several slots (222). A plastic positioning strip (223) is fixedly connected between the two plastic support frames (221). The plastic positioning strip (223) is used to position the plastic protective plate (21) during installation, making the plastic protective plate (21) more stable after installation.

4. The electric shock protection structure for a charging pile distribution cabinet according to claim 3, characterized in that, The locking assembly (23) includes a plurality of plastic clips (231) fixedly connected to the back of the plastic protective plate (21). The plurality of plastic clips (231) are arranged in pairs, and the two plastic clips (231) in each pair are symmetrically arranged. An arc-shaped plastic spring piece (232) is fixedly connected to the side of the two plastic clips (231) in each pair that are close to each other. The plastic card plate (231) is V-shaped and cooperates with the slot (222) on the lower plastic support frame (221) to hold and fix the plastic protective plate (21).

5. The electric shock protection structure for a charging pile distribution cabinet according to claim 4, characterized in that, The locking part (3) includes a fixing seat (31) fixedly connected to the back of the door panel (11). The fixing seat (31) has a limiting groove inside. A plug rod (32) is slidably connected inside the limiting groove. A protruding rod (321) is fixedly connected to the top of the plug rod (32). A protruding ring (322) is fixedly connected to the outside of the plug rod (32). A spring (323) is sleeved on the outside of the plug rod (32). A circular push block (33) is fixedly connected to the back of the rotating shaft (112). The circular push block (33) is located at the bottom of the protruding rod (321). When the circular push block (33) rotates, it will push the protruding rod (321) upward. The bottom of the insertion rod (32) is adapted to the positioning insertion hole (12). After the insertion rod (32) is inserted into the positioning insertion hole (12), it will restrict and fix the door panel (11).

6. The electric shock protection structure for a charging pile distribution cabinet according to claim 5, characterized in that, The top and bottom of the insertion rod (32) both penetrate the fixing seat (31) and extend to the outside. The convex ring (322) is slidably connected inside the limiting groove. The top of the spring (323) is fixedly connected to the inner wall of the limiting groove. The bottom of the spring (323) is fixedly connected to the top of the convex ring (322). The spring (323) is used to store force when the insertion rod (32) is pulled, so that the insertion rod (32) can be reset by elastic force later.