Low-voltage power distribution cabinet convenient to assemble

Abstract

The utility model relates to a low-voltage power distribution cabinet convenient to assemble, a functional unit chamber is of a drawer type structure and comprises a 1 / 2 drawer, a plug-in type circuit breaker body is fixed on a circuit breaker fixing frame, a plum blossom contact is arranged on the plug-in type circuit breaker body, a plug-in type circuit breaker base is fixed on a unit chamber back plate, a contact finger is arranged on the plug-in type circuit breaker base, and when the drawer of the functional unit chamber (4) is pushed in, the plug-in type circuit breaker body is fixed on the unit chamber back plate. The contact fingers (14) are electrically connected with the plum blossom contacts (13) on the unit chamber backboard (9) at the corresponding positions, the vertical bus chamber is located in the middle of the rear portion of the functional unit chamber, a vertical bus is arranged in the vertical bus chamber, and terminals corresponding to the contact fingers (14) extend out of the rear portion of the plug-in circuit breaker base. According to the utility model, the plug-in circuit breaker and the base thereof are used for replacing a circuit breaker, a back plate type structure adapter and an outgoing line connecting copper bar, so that the outgoing line connecting copper bar is saved, and compared with the back plate type structure adapter, the base of the plug-in circuit breaker saves materials.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution equipment manufacturing, and particularly relates to a low-voltage distribution cabinet convenient for assembly. Background Technique

[0002] In the prior art, the circuit breaker in the 1 / 2 drawer unit is usually connected to the vertical bus through an adapter plate. The incoming and outgoing line copper bars are used in the function unit room to connect it to the adapter plate. The internal copper bar wiring in the function unit room is complex, the use of copper bar materials is large, and the installation is complex. Summary of the Invention

[0003] The purpose of the utility model is to provide a low-voltage distribution cabinet convenient for assembly, which saves materials and is convenient for installation.

[0004] To achieve the above purpose, the utility model provides the following technical solutions: Provide a low-voltage distribution cabinet convenient for assembly, including a distribution cabinet housing, a horizontal busbar chamber, a vertical busbar chamber, and a function unit chamber. The characteristics are as follows: The function unit chamber is of a drawer type structure, including a 1 / 2 drawer. The circuit breaker fixing frame is fixed on the bottom plate of the function unit chamber. The plug-in circuit breaker body is fixed on the circuit breaker fixing frame, and there is a plum blossom contact on it. The plug-in circuit breaker base is fixed on the back panel of the unit chamber, and there is a finger on it, and its position corresponds to the plum blossom contact one by one. The vertical busbar chamber is located in the middle rear of the function unit chamber, and there is a vertical busbar inside. The plug-in circuit breaker base is connected to the vertical busbar through a circuit breaker base connection row; The horizontal busbar chamber is located at the lower part of the distribution cabinet housing, and there are ventilation holes at the bottom, and a horizontal busbar is installed inside. The horizontal busbar is connected to the vertical busbar through a lap joint row.

[0005] Preferably, there are 3-4 fingers. When the drawer of the function unit chamber is pulled out, the plum blossom contacts are disconnected from the corresponding fingers one by one; When the drawer of the function unit chamber is closed, the fingers are inserted into the plum blossom contacts and are in close butt joint with them, and the plum blossom contacts are connected to the vertical busbar one by one.

[0006] Preferably, the function unit chamber can also be of a fixed partition structure, provided with an openable unit chamber door. The plug-in circuit breaker body is connected in an inserted manner through the plum blossom contact and the finger, and is fixed on the plug-in circuit breaker base. The wiring terminal of the plug-in circuit breaker base is connected to the vertical busbar through the circuit breaker base connection row.

[0007] Preferably, the horizontal busbar chamber is separated from the cabinet body, and the horizontal busbar chamber is of an integrated structure.

[0008] Preferably, the fingers can also be used on the plug-in circuit breaker body, and the plum blossom contacts can be used on the plug-in circuit breaker base.

[0009] Preferably, the circuit breaker base connection row can be Z-shaped or straight-shaped.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: The pluggable circuit breaker base is used to replace the adapter plate, simplifying the internal copper busbar routing in the functional unit room, reducing the amount of copper busbar used, and saving materials. Description of the Drawings

[0011] Figure 1 It is a partial cross-sectional view of the front view of the present utility model.

[0012] Figure 2 For the present utility model Figure 1 Cross-sectional view of section A above.

[0013] Figure 3 For the present utility model Figure 2 Partial cross-sectional view of section C above.

[0014] Figure 4 For the present utility model Figure 1 Cross-sectional view of section B above.

[0015] The figure includes: power distribution cabinet housing 1, horizontal busbar chamber 2, vertical busbar chamber 3, functional unit chamber 4, vertical busbar 5, circuit breaker base connection row 6, pluggable circuit breaker base 7, pluggable circuit breaker body 8, unit chamber back panel 9, circuit breaker fixing bracket 10, horizontal busbar 11, overlapping row 12, plum blossom contact 13, finger contact 14. Detailed Implementation Modes

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0017] Such as Figure 1 、 2, 3. A low-voltage power distribution cabinet that is convenient for assembly, comprising a power distribution cabinet housing (1), a horizontal busbar chamber (2), a vertical busbar chamber (3), and a functional unit chamber (4). It is characterized in that: the functional unit chamber (4) is a drawer-type structure, including a 1 / 2 drawer. The circuit breaker fixing bracket (10) is fixed on the bottom plate of the functional unit chamber (4). The plug-in circuit breaker body (8) is fixed on the circuit breaker fixing bracket (10), and it has a plum blossom contact (13). The plug-in circuit breaker base (7) is fixed on the back panel (9) of the unit chamber, and it has 3 - 4 finger contacts (14), whose positions correspond one by one to the plum blossom contact (13). The vertical busbar chamber (3) is located in the middle at the rear of the functional unit chamber (4) and has a vertical busbar (5) inside. The plug-in circuit breaker base (7) is connected to the vertical busbar (5) through a circuit breaker base connection row (6). The horizontal busbar chamber (2) is located at the lower part of the power distribution cabinet housing (1), and ventilation holes are provided at the bottom. A horizontal busbar (11) is installed inside, and the horizontal busbar (11) is connected to the vertical busbar (5) through a lap joint row (12). The horizontal busbar chamber (2) is separated from the cabinet body and is an integrated structure.

[0018] Such as Figure 1 , 4 , the functional unit chamber (4) can also be a fixed partition structure, provided with an openable unit chamber door. The plug-in circuit breaker body (8) is inserted and connected to the finger contact (14) through the plum blossom contact (13) and is fixed on the plug-in circuit breaker base (7). The wiring terminal of the plug-in circuit breaker base (7) is connected to the vertical busbar (5) through a Z-shaped or straight-shaped circuit breaker base connection row (6).

[0019] Working principle: The plug-in circuit breaker body is installed on the circuit breaker fixing bracket, and the plug-in circuit breaker base is fixed on the back panel of the unit chamber. When the functional unit chamber is pulled out, the plum blossom contact on the plug-in circuit breaker body is disconnected from the finger contact on the plug-in circuit breaker base. When the functional unit chamber is closed, the plum blossom contact on the plug-in circuit breaker body is inserted and connected to the finger contact on the base. The plug-in circuit breaker base is fixedly connected to the vertical busbar through a conductive row. When the functional unit chamber is a 1 / 2 drawer structure, it replaces the transfer function of the traditional transfer board. The finger contact and the plum blossom contact can be paired and installed. It is also possible to use finger contacts on the plug-in circuit breaker body and plum blossom contacts on the plug-in circuit breaker base.

[0020] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A low-voltage power distribution cabinet convenient for assembly, comprising a power distribution cabinet housing (1), a horizontal busbar chamber (2), a vertical busbar chamber (3), and a functional unit chamber (4), characterized in that: The functional unit chamber (4) is of a drawer type structure and includes a 1 / 2 drawer. The breaker fixing bracket (10) is fixed on the bottom plate of the functional unit chamber (4). The plug-in breaker body (8) is fixed on the breaker fixing bracket (10), and has a plum blossom contact (13) thereon. The plug-in breaker base (7) is fixed on the back panel (9) of the unit chamber, and has a finger contact (14) thereon, the positions of which correspond one by one to the plum blossom contacts (13). The vertical busbar chamber (3) is located in the middle at the rear of the functional unit chamber (4) and contains a vertical busbar (5). The plug-in breaker base (7) is connected to the vertical busbar (5) through a breaker base connection bar (6). The horizontal busbar chamber (2) is located at the lower part of the power distribution cabinet housing (1) and contains a horizontal busbar (11). The horizontal busbar (11) is connected to the vertical busbar (5) through a lapping bar (12).

2. The low-voltage power distribution cabinet convenient for assembly according to claim 1, wherein There are 3 - 4 finger contacts (14). When the drawer of the functional unit chamber (4) is pulled out, the plum blossom contacts (13) are disconnected from the corresponding finger contacts (14) one by one. When the drawer of the functional unit chamber (4) is closed, the finger contacts (14) are inserted into the plum blossom contacts (13) and are in close butt joint with them, and the plum blossom contacts (13) are connected to the vertical busbar (5) one by one.

3. A low-voltage power distribution cabinet that is easy to assemble according to claim 1, characterized in that, The functional unit chamber (4) can also be of a fixed partition structure and is provided with an openable unit chamber door. The plug-in breaker body (8) is connected in an inserted manner with the finger contacts (14) through the plum blossom contacts (13) and is fixed on the plug-in breaker base (7). The wiring terminals of the plug-in breaker base (7) are connected to the vertical busbar (5) through the breaker base connection bar (6).

4. A low-voltage power distribution cabinet convenient for assembly according to claim 1, characterized in that, The horizontal busbar chamber (2) is separated from the cabinet body, and the horizontal busbar chamber (2) is of an integrated structure.

5. A low-voltage power distribution cabinet that is easy to assemble according to claim 1, characterized in that, It is also possible to use the finger contacts (14) on the plug-in breaker body (8) and use the plum blossom contacts (13) on the plug-in breaker base (7).

6. A low-voltage power distribution cabinet that is convenient for assembly according to claim 3, wherein The breaker base connection bar (6) can be Z-shaped or straight-shaped.

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