Low-voltage feeder cabinet

By adopting a dual vertical conductive busbar structure and heat dissipation device in the low-voltage feeder cabinet, the problems of current overload and insufficient space of the traditional feeder cabinet are solved, and a larger cable capacity and stable and reliable operation are achieved, which is suitable for multi-scenario applications.

CN223093345UActive Publication Date: 2025-07-11TELLHOW SHENZHEN ELECTRIC TECH
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Patent Information

Application Number
CN202421988230.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-07-11
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

When the traditional economical full drawer feeder cabinet is not used in use, the current of the outgoing circuit is overloaded and the space is limited, resulting in increased costs and insufficient stability.

Method used

A low-voltage feeder cabinet is designed, adopting a double vertical conductive busbar structure, including a first conductive busbar, a connecting piece, a second conductive busbar, a third conductive busbar and a fourth conductive busbar. Combined with a circuit breaker and a busbar clip, the circuit layout of upward and downward are realized, and a heat dissipation device is equipped.

Benefits of technology

Under the premise of cost control, the cable capacity is expanded, the space utilization is improved, the operation stability and safety is ensured, and operation and maintenance are facilitated.

✦ Generated by Eureka AI based on patent content.

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Abstract

A low-voltage feeder cabinet comprises a cabinet body, the upper end of the cabinet body is provided with a wire outlet cabinet, and the lower end of the cabinet body is provided with a circuit breaker; wherein the outgoing line cabinet is provided with a first conductive busbar, the first conductive busbar is provided with a connecting piece, the connecting piece is provided with a second conductive busbar with double vertical design, the second conductive busbar is provided with a third conductive busbar which is transversely arranged, and the third conductive busbar is connected with the circuit breaker through a fourth conductive busbar which is obliquely and downwards arranged. According to the utility model, the two vertical second conductive busbars are used for conduction, so that upper inlet and lower outlet can be realized, the device is applicable to more scenes, the wire outlet space is not influenced under the condition that the manufacturing cost is controllable, and the operation is stable, safe and reliable.
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Description

Technical Field

[0001] The utility model relates to a low-voltage feeder cabinet. Background Art

[0002] The economic full-drawer feeder cabinet (lower-in and lower-out) is a traditional power distribution cabinet product solution. Due to different usage scenarios and to meet the needs of users, frame circuit breakers are required for individual solutions with relatively high overloading of the outgoing line circuit current. The space in the switchgear room is also limited, and increasing the cabinet body will affect the overall cost. Content of the Utility Model

[0003] To solve the above problems, the present technical solution provides a low-voltage feeder cabinet.

[0004] To achieve the above object, the present technical solution is as follows:

[0005] A low-voltage feeder cabinet includes a cabinet body, an outgoing line cabinet is provided at the upper end of the cabinet body, and a circuit breaker is provided at the lower end of the cabinet body;

[0006] Wherein, the outgoing line cabinet is provided with a first conductive busbar, the first conductive busbar is provided with a connecting piece, the connecting piece is provided with a second conductive busbar with a double-vertical design, the second conductive busbar is provided with a third conductive busbar arranged horizontally, and the third conductive busbar is connected to the circuit breaker through a fourth conductive busbar arranged obliquely downward.

[0007] In some embodiments, there are two connecting pieces, and the two are bent away from each other, and after bending, they are connected to one end of the two second conductive busbars.

[0008] In some embodiments, the cabinet body is further provided with a plurality of busbar clamps for clamping the second conductive busbar.

[0009] In some embodiments, a base busbar clamp is provided at the other end of the cabinet body where the second conductive busbar is located.

[0010] In some embodiments, the cabinet body is further provided with a heat dissipation cabinet covering the outside of the second conductive busbar, and the heat dissipation cabinet is provided with a plurality of heat dissipation holes.

[0011] In some embodiments, a plurality of drawer cabinets are provided on the front end face of the cabinet body between the outgoing line cabinet and the circuit breaker.

[0012] The beneficial effects of the present application are as follows:

[0013] The present application has two vertical second conductive busbars for conducting electricity, so that the upper-in and lower-out can be realized, and more scenarios can be applied. Without affecting the outgoing line space and under the condition of controllable manufacturing cost, the operation is stable, safe and reliable.

[0014] Secondly, the present application has the effects of being able to accommodate larger and thicker cables, with reasonable and perfect space utilization. Moreover, the circuit breaker is placed below, and the double vertical busbars are used for shunt conduction, featuring good stability, convenience in operation and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments.

[0016] Figure 1 is the structural schematic diagram of the embodiment of the present utility model Figure 1 ;

[0017] Figure 2 is the structural schematic diagram of the embodiment of the present utility model Figure 2 ;

[0018] Figure 3 is the structural schematic diagram of the embodiment of the present utility model Figure 3 . DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] In order to make the technical problems, technical solutions and beneficial effects solved by the present utility model more clearly understood, the following further details the present utility model in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0020] Please refer to Figures 1-3 as shown, a low-voltage feeder cabinet includes a cabinet body. An outgoing line cabinet 1 is provided at the upper end of the cabinet body, and a circuit breaker 2 is provided at the lower end of the cabinet body;

[0021] Among them, the outgoing line cabinet 1 is provided with a first conductive busbar 3. The first conductive busbar 3 is provided with a connecting piece 4. The connecting piece 4 is provided with a second conductive busbar 5 with a double vertical design. The second conductive busbar 5 is provided with a third conductive busbar 6 arranged horizontally. The third conductive busbar 6 is connected to the circuit breaker 2 through a fourth conductive busbar 7 arranged obliquely downward.

[0022] The present application has two vertical second conductive busbars for conduction, so that the top-in and bottom-out can be realized, and more scenarios can be applied. Without affecting the outgoing line space and under the condition of controllable manufacturing cost, the operation is stable, safe and reliable.

[0023] Specifically, the total rated current of the 5 circuits of the present application far exceeds 2000A, that is, 4 drawer outgoing line circuits adopt 80*6 vertical busbars + 1 frame outgoing line circuit adopts 80*6 vertical busbars; the non-standard double vertical busbar channel is used as the incoming line end connection of the shared circuit breaker, and a non-standard vertical channel is shared.

[0024] In this embodiment, there are two connecting pieces 4, and they are bent away from each other. After bending, they are connected to one end of the two second conductive busbars 5 to adapt to the double vertical busbars.

[0025] In this embodiment, the cabinet body is further provided with a plurality of busbar clamps 8 for clamping the second conductive busbar 5, which is safer and more stable.

[0026] In this embodiment, a base busbar clamp 9 is provided at the other end of the cabinet body where the second conductive busbar 5 is located, which is safer and more stable.

[0027] In this embodiment, the cabinet body is further provided with a heat dissipation cabinet 10 covering the outside of the second conductive busbar 5, and the heat dissipation cabinet 10 is provided with a plurality of heat dissipation holes.

[0028] In this embodiment, a plurality of drawer cabinets 11 are provided between the outgoing line cabinet 1 and the circuit breaker 2 on the front end face of the cabinet body.

[0029] The above are only the preferred embodiments of the present application, and are not used to limit the scope of implementation of the present application. Other embodiments with the same or similar principles and basic structures as the present application are within the protection scope of the present application.

Claims

1. A low-voltage feeder cabinet, characterized in that, It includes a cabinet body, an outgoing line cabinet (1) is provided at the upper end of the cabinet body, and a circuit breaker (2) is provided at the lower end of the cabinet body; Wherein, the outgoing line cabinet (1) is provided with a first conductive bus bar (3), the first conductive bus bar (3) is provided with a connecting piece (4), the connecting piece (4) is provided with a second conductive bus bar (5) with a double vertical design, the second conductive bus bar (5) is provided with a third conductive bus bar (6) arranged horizontally, and the third conductive bus bar (6) is connected to the circuit breaker (2) through a fourth conductive bus bar (7) arranged obliquely downward.

2. A low-voltage feeder cabinet according to claim 1, characterized in that: There are two pieces of the connecting piece (4), and they are bent away from each other, and after bending, they are connected to one end of the two second conductive bus bars (5).

3. A low-voltage feeder cabinet according to claim 2, wherein: The cabinet body is also provided with a plurality of bus bar clamps (8) for clamping the second conductive bus bar (5).

4. A low-voltage feeder cabinet according to claim 3, characterized in that: The cabinet body is provided with a base bus bar clamp (9) at the other end of the second conductive bus bar (5).

5. A low-voltage feeder cabinet according to claim 1, characterized in that: The cabinet body is also provided with a heat dissipation cabinet (10) covering the outside of the second conductive bus bar (5), and the heat dissipation cabinet (10) is provided with a plurality of heat dissipation holes.

6. A low-voltage feeder cabinet according to claim 1, characterized in that: A plurality of drawer cabinets (11) are provided on the front end face of the cabinet body between the outgoing line cabinet (1) and the circuit breaker (2).