Compact low-voltage electrical cabinet multi-loop integrated device

By installing a fixing mechanism in the low-voltage electrical cabinet, the problem of the cabinet door blocking light when rotating is solved, the cabinet door can be opened stably, the risk of accidental contact with live parts is reduced, and the safety of maintenance is improved.

CN224068151UActive Publication Date: 2026-03-31QINGDAO BORUI ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing compact low-voltage electrical cabinets lack a door limiting mechanism when opened, causing the door to rotate around the cabinet body, blocking light, reducing internal visibility, and increasing the risk of accidental contact with live parts.

Method used

A fixing mechanism is installed inside the cabinet, including a guide tube, a fixing part, and a limiting part. The combination of sliding and rotating motion restricts the rotation of the cabinet door, ensuring that the cabinet door remains stable when opened and preventing light blockage.

Benefits of technology

It effectively prevents the cabinet door from blocking light, improves the visibility inside the low-voltage electrical cabinet, and reduces the risk of maintenance personnel accidentally touching live parts.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224068151U_ABST
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Abstract

The utility model relates to the technical field of low-voltage electrical cabinets, in particular to a multi-loop integrated device of a compact low-voltage electrical cabinet, which comprises a fixing mechanism, the fixing mechanism is arranged on the inner wall of one side of a cabinet body, the fixing mechanism comprises a guide cylinder part, a fixing part and a limiting part, and the limiting part is used for limiting the fixing part to slide back and forth or rotate left and right along the guide cylinder part. When the fixed part slides forwards along the guide cylinder part and rotates leftwards, the fixed part blocks the cabinet door part, so that the cabinet door part cannot rotate around the cabinet body; when the fixed part rotates rightwards and slides backwards along the guide cylinder part, the fixed part is retracted into the cabinet body, and the cabinet door part can rotate around the cabinet body; after the cabinet door is opened, the transverse plate is pulled out and rotates in the anticlockwise direction, and when the transverse plate rotates to the horizontal state, the baffle abuts against the inner wall of the cabinet body, keeps the transverse plate in the horizontal state, blocks the cabinet door, limits rotation of the cabinet door, prevents the cabinet door from rotating around the cabinet body, guarantees internal visibility, and reduces the risk that a maintainer mistakenly touches an electrified part.
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Description

Technical Field

[0001] This utility model relates to the field of low-voltage electrical cabinet technology, and in particular to a multi-circuit integrated device for compact low-voltage electrical cabinets. Background Technology

[0002] The compact low-voltage electrical cabinet multi-circuit integrated device is a device used in low-voltage power distribution systems. It integrates multiple electrical circuits into a compact cabinet to realize the distribution, control and protection of power. It has the advantages of saving space, improving power supply reliability and facilitating maintenance, and is widely used in industrial, commercial and construction fields.

[0003] Chinese patent application CN201820088174.1 describes a low-voltage electrical cabinet. This cabinet features a horizontally connected support member inside the cabinet, with a mounting bracket vertically connected to the support member. This allows the mounting bracket to slide horizontally along the support member, enabling maintenance personnel to extend the mounting bracket outside the cabinet during repairs. This avoids requiring maintenance personnel to insert their bodies into the cabinet. Furthermore, the mounting bracket can be raised and lowered by sliding vertically along the support member, adjusting its height. This allows maintenance personnel to repair the electronic components on the mounting bracket without significant height adjustments, reducing labor intensity.

[0004] However, the cabinet door of this low-voltage electrical cabinet has no fixing mechanism when opened. The door will rotate around the cabinet body, blocking the light entering the low-voltage electrical cabinet, reducing the visibility inside, and increasing the risk of maintenance personnel accidentally touching live parts. Utility Model Content

[0005] The main purpose of this utility model is to provide a compact multi-circuit integrated device for low-voltage electrical cabinets, in order to solve the problem mentioned in related technologies that when a general low-voltage electrical cabinet is opened, the cabinet door will rotate around the cabinet body due to the lack of a door limiting mechanism, which will block the light entering the low-voltage electrical cabinet, reduce the visibility inside, and increase the risk of maintenance personnel accidentally touching live parts.

[0006] To achieve the above objectives, according to one aspect of this utility model, a compact low-voltage electrical cabinet multi-circuit integrated device is provided, including a cabinet body and a cabinet door portion disposed on the cabinet body. A multi-circuit integrated portion is fixedly disposed inside the cabinet body, and a fixing mechanism is also included. The fixing mechanism is disposed on the inner wall of one side of the cabinet body. The fixing mechanism includes a guide cylinder portion, a fixing portion, and a limiting portion. The limiting portion is used to restrict the fixing portion from sliding forward and backward or rotating left and right along the guide cylinder portion. When the fixing portion slides forward along the guide cylinder portion and rotates to the left, the fixing portion blocks the cabinet door portion, preventing the cabinet door portion from rotating around the cabinet body. When the fixing portion rotates to the right and slides backward along the guide cylinder portion, the fixing portion retracts into the cabinet body, allowing the cabinet door portion to rotate around the cabinet body.

[0007] Furthermore, the cabinet door includes a cabinet door and a handle. The cabinet door is located on one side of the cabinet body and is hinged to the cabinet body. The handle is fixedly located on one side of the outer surface of the cabinet door.

[0008] Furthermore, the guide tube portion includes a guide tube, a horizontal groove, and a vertical groove. The guide tube is fixedly installed on the inner wall of one side of the cabinet body, and the guide tube is located on the side where the cabinet door is hinged to the cabinet body.

[0009] Furthermore, the horizontal groove extends through the outside of the guide cylinder, and the vertical groove extends through the top of the guide cylinder and communicates with the horizontal groove.

[0010] Furthermore, the fixing part includes a horizontal bar, a vertical bar, and a blocking part, wherein the blocking part includes a horizontal plate and several buffer posts.

[0011] Furthermore, the crossbar is slidably disposed inside the guide cylinder, the vertical bar is fixedly disposed at the outer end of the crossbar, the horizontal plate is fixedly disposed inside the vertical bar, and the buffer column is fixedly disposed on the side of the horizontal plate.

[0012] Furthermore, the limiting part includes a connecting plate part, a baffle part, and a plurality of balls. The connecting plate part includes a lower horizontal plate, a vertical plate, and an upper horizontal plate. The baffle part includes a baffle and a plurality of grooves.

[0013] Furthermore, the upper horizontal plate is fixedly connected to the horizontal bar and slidably connected to the horizontal groove. The lower horizontal plate is fixedly connected to the upper horizontal plate through the vertical plate. The balls are all rolled on the end of the lower horizontal plate. The baffle is fixedly connected to the upper horizontal plate. The grooves are all provided on the baffle to reduce the weight of the baffle.

[0014] Furthermore, the multi-circuit integrated unit includes a circuit breaker protection zone, a frequency converter zone, a leakage current protection zone, a capacitor compensation zone, and a switch control zone.

[0015] Compared with the prior art, the present invention has the following advantages: After the cabinet door is opened, the horizontal plate is pulled out and rotated counterclockwise. When the horizontal plate is rotated to a horizontal state, the baffle abuts against the inner wall of the cabinet, keeping the horizontal plate in a horizontal state, blocking the cabinet door, restricting the rotation of the cabinet door, preventing the cabinet door from rotating around the cabinet body, and not blocking the light entering the low-voltage electrical cabinet, ensuring its internal visibility, and reducing the risk of maintenance personnel accidentally touching live parts. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall design of this utility model;

[0017] Figure 2 This is a schematic diagram of the cabinet door opening according to this utility model;

[0018] Figure 3 This is a schematic diagram of the fixing mechanism of this utility model;

[0019] Figure 4This is a schematic diagram of the limiting part structure of this utility model;

[0020] Figure 5 This is a plan view of the multi-loop integrated section of this utility model.

[0021] Figure label:

[0022] 1. Cabinet;

[0023] 2. Cabinet door section; 21. Cabinet door; 22. Handle;

[0024] 3. Fixing mechanism; 31. Guide cylinder section; 32. Horizontal bar; 33. Vertical bar; 34. Horizontal plate; 35. Buffer column; 36. Limiting part; 311. Guide cylinder; 312. Horizontal groove; 313. Vertical groove; 361. Lower horizontal plate; 362. Vertical plate; 363. Upper horizontal plate; 364. Baffle; 365. Groove; 366. Ball bearing;

[0025] 4. Multi-circuit integrated section; 41. Circuit break protection zone; 42. Frequency conversion zone; 43. Leakage protection zone; 44. Capacitor compensation zone; 45. Switch control zone. Detailed Implementation

[0026] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0027] This embodiment provides a compact low-voltage electrical cabinet multi-circuit integrated device, such as... Figure 1 and Figure 2 As shown, it includes a cabinet body 1 and a cabinet door 2 provided on the cabinet body 1, and also includes a fixing mechanism 3, which is provided on the inner wall of one side of the cabinet body 1;

[0028] The fixing mechanism 3 includes a guide cylinder 31, a fixing part, and a limiting part 36. The limiting part 36 is used to restrict the fixing part from sliding back and forth or rotating left and right along the guide cylinder 31. When the fixing part slides forward along the guide cylinder 31 and rotates to the left, the fixing part blocks the cabinet door 2, preventing the cabinet door 2 from rotating around the cabinet body 1. When the fixing part rotates to the right and slides backward along the guide cylinder 31, the fixing part retracts into the cabinet body 1, and the cabinet door 2 can rotate around the cabinet body 1.

[0029] The cabinet door 2 includes a cabinet door 21 and a handle 22. The cabinet door 21 is located on one side of the cabinet body 1 and is hinged to the cabinet body 1. The handle 22 is fixedly located on one side of the outer surface of the cabinet door 21.

[0030] like Figure 3As shown, the guide cylinder part 31 includes a guide cylinder 311, a horizontal groove 312 and a vertical groove 313. The guide cylinder 311 is fixedly installed on the inner wall of one side of the cabinet body 1. The guide cylinder 311 is located on the side where the cabinet door 21 is hinged to the cabinet body 1.

[0031] A horizontal groove 312 is provided through the outside of the guide cylinder 311, and a vertical groove 313 is provided through the upper surface of the guide cylinder 311 and is connected to the horizontal groove 312.

[0032] The fixing part includes a horizontal bar 32, a vertical bar 33 and a blocking part, the blocking part including a horizontal plate 34 and several buffer posts 35.

[0033] The horizontal bar 32 is slidably disposed within the guide cylinder 311, the vertical bar 33 is fixedly disposed at the outer end of the horizontal bar 32, the horizontal plate 34 is fixedly disposed on the inner side of the vertical bar 33, and the buffer posts 35 are all fixedly disposed on the side of the horizontal plate 34. The buffer posts 35 are made of rubber. When the horizontal plate 34 blocks the cabinet door 21 from rotating, the cabinet door 21 squeezes the buffer posts 35 to deform it, absorbing the kinetic energy of the cabinet door 21 and preventing the cabinet door 21 from being squeezed and deformed by the horizontal plate 34.

[0034] like Figure 4 As shown, the limiting part 36 includes a connecting plate part, a baffle part and a plurality of balls 366. The connecting plate part includes a lower horizontal plate 361, a vertical plate 362 and an upper horizontal plate 363. The baffle part includes a baffle 364 and a plurality of grooves 365.

[0035] The width of the vertical groove 313 is slightly larger than the width of the upper horizontal plate 363, ensuring that the upper horizontal plate 363 can rotate within the vertical groove 313, while also preventing the upper horizontal plate 363 from sliding back and forth within the vertical groove 313, thus increasing the stability of the horizontal plate 34.

[0036] The upper horizontal plate 363 is fixedly connected to the horizontal bar 32 and slidably connected to the horizontal groove 312. The lower horizontal plate 361 is fixedly connected to the upper horizontal plate 363 via the vertical plate 362. Ball bearings 366 are all rolled on the end of the lower horizontal plate 361. The baffle 364 is fixedly connected to the upper horizontal plate 363. Grooves 365 are all provided on the baffle 364 to reduce the weight of the baffle 364. The weight of the fixed part is greater than the weight of the limiting part 36. When the horizontal plate 34 rotates to a horizontal state to block the cabinet door 21, the limiting part 36 abuts against the inner wall of the cabinet 1. Because the weight of the fixed part is greater than the weight of the limiting part 36, the limiting part 36 cannot overcome the weight of the fixed part to rotate downwards, and the horizontal plate 34 can be stably kept in a horizontal state.

[0037] like Figure 5As shown, a multi-circuit integrated section 4 is fixedly installed on the rear wall inside the cabinet 1. The multi-circuit integrated section 4 includes a circuit breaker protection zone 41, a frequency converter zone 42, a leakage current protection zone 43, a capacitor compensation zone 44, and a switch control zone 45. Multiple circuit breakers are integrated side by side in the circuit breaker protection zone 41, multiple frequency converters are integrated side by side in the frequency converter zone 42, multiple leakage current protectors are integrated side by side in the leakage current protection zone 43, multiple capacitors are integrated side by side in the capacitor compensation zone 44, and multiple switches are integrated side by side in the switch control zone 45. The various zones are connected together by wires.

[0038] When the upper horizontal plate 363 slides within the horizontal groove 312, the ball bearing 366 rolls on the inner wall of the cabinet 1, facilitating the sliding of the limiting part 36. At this time, the horizontal plate 34 is vertically upward. The limiting part 36 rotates upward along the vertical groove 313. When the baffle 364 abuts against the inner wall of the cabinet 1, the horizontal plate 34 rotates to the position shown in the image. Figure 2 The horizontal position shown blocks the cabinet door 21, preventing the cabinet door 21 from rotating around the cabinet body 1. It does not block the light entering the low-voltage electrical cabinet, ensuring the visibility inside and reducing the risk of maintenance personnel accidentally touching live parts.

[0039] After the maintenance personnel open the cabinet door 21, they rotate the cabinet door 21 180° clockwise around the cabinet body 1 and pull the horizontal plate 34 outward. The limiting part 36 moves outward along the horizontal groove 312 following the horizontal plate 34. When the vertical plate 362 moves to the vertical groove 313, the horizontal plate 34 is rotated counterclockwise. The vertical plate 362 rotates upward along the vertical groove 313. When the baffle 364 abuts against the inner wall of the cabinet body 1, the horizontal plate 34 stops rotating. At this time, the horizontal plate 34 is in a horizontal state, blocking the cabinet door 21 and restricting the rotation of the cabinet door 21.

[0040] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A compact low-voltage electrical cabinet multi-circuit integrated device, comprising a cabinet body (1) and a cabinet door part (2) arranged on the cabinet body (1), a multi-circuit integrated part (4) is fixedly arranged in the cabinet body (1), characterized in that, Also include a fixed mechanism (3), the fixed mechanism (3) is arranged in the inner wall of the cabinet body (1) one side; The fixed mechanism (3) includes a guide cylinder (31), a fixed part and a limiting part (36), the limiting part (36) is used for limiting the fixed part to slide forward and backward or rotate left and right along the guide cylinder (31), when the fixed part slides forward along the guide cylinder (31) and rotates left, the fixed part blocks the cabinet door (2), so that the cabinet door (2) cannot rotate around the cabinet body (1); when the fixed part rotates right and slides backward along the guide cylinder (31), the fixed part is withdrawn into the cabinet body (1), and the cabinet door (2) can rotate around the cabinet body (1).

2. The compact low voltage electrical cabinet multi-circuit integrated device of claim 1, wherein, The cabinet door (2) includes a cabinet door (21) and a handle (22), the cabinet door (21) is arranged on one side of the cabinet body (1) and is hinged to the cabinet body (1), and the handle (22) is fixedly arranged on one side of the outer surface of the cabinet door (21).

3. The compact low voltage electrical cabinet multi-circuit integrated device of claim 2, wherein, The guide cylinder (31) includes a guide cylinder (311), a horizontal slot (312) and a vertical slot (313), the guide cylinder (311) is fixedly arranged on the inner wall of one side of the cabinet body (1), and the guide cylinder (311) is located on the side where the cabinet door (21) is hinged to the cabinet body (1).

4. The compact low voltage electrical cabinet multi-circuit integrated device of claim 3, wherein, The horizontal slot (312) is arranged on the outer side of the guide cylinder (311), and the vertical slot (313) is arranged on the upper side of the guide cylinder (311) and communicates with the horizontal slot (312).

5. The compact low voltage electrical cabinet multi-circuit integrated device of claim 3, wherein, The fixed part includes a horizontal rod (32), a vertical rod (33) and a blocking part, the blocking part includes a horizontal plate (34) and a plurality of buffer columns (35).

6. The compact low voltage electrical cabinet multi-circuit integrated device of claim 5, wherein, The horizontal rod (32) is slidably arranged in the guide cylinder (311), the vertical rod (33) is fixedly arranged on the outer end of the horizontal rod (32), the horizontal plate (34) is fixedly arranged on the inner side of the vertical rod (33), and the buffer columns (35) are fixedly arranged on the side surface of the horizontal plate (34).

7. The compact low voltage electrical cabinet multi-circuit integrated device of claim 5, wherein, The limiting part (36) includes a connecting plate part, a blocking plate part and a plurality of rolling balls (366), the connecting plate part includes a lower horizontal plate (361), a vertical plate (362) and an upper horizontal plate (363), and the blocking plate part includes a blocking plate (364) and a plurality of grooves (365).

8. The compact low voltage electrical cabinet multi-circuit integrated device of claim 7, wherein, The upper horizontal plate (363) is fixedly connected with the horizontal rod (32) and slidably connected with the horizontal slot (312), the lower horizontal plate (361) is fixedly connected with the upper horizontal plate (363) through the vertical plate (362), the rolling balls (366) are rotatably arranged on the end portion of the lower horizontal plate (361), the blocking plate (364) is fixedly connected with the upper horizontal plate (363), and the grooves (365) are arranged on the blocking plate (364) and used for reducing the weight of the blocking plate (364).

9. The compact low voltage electrical cabinet multi-circuit integrated device of claim 1, wherein, The multi-circuit integrated part (4) includes a circuit breaker protection area (41), a frequency conversion area (42), a leakage protection area (43), a capacitor compensation area (44) and a switch control area (45).

Citation Information

Patent Citations

  • Low -voltage electric cabinet

    CN207753297U