CN114221248A

CN114221248A - A drawer type power panel cabinet with busbar fast grounding

Info

Publication number: CN114221248A
Application number: CN202111562950.XA
Authority: CN
Inventors: 陈海学; 潘应山; 李步锦; 覃燕凤; 陈健康; 朱声涛; 杜鹏程; 黄茂
Original assignee: Hechi Power Supply Bureau of Guangxi Power Grid Co Ltd
Current assignee: Hechi Power Supply Bureau of Guangxi Power Grid Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-03-22

Abstract

The invention discloses a drawer-type power supply panel cabinet with a busbar fast grounding, comprising a panel cabinet. The front end of the panel cabinet is provided with a grounding wire mounting seat and a busbar mounting seat; a drawer switch is mounted on the lower side of the grounding wire mounting seat; the busbar mounting seat A busbar is installed; the rear end of the drawer switch is electrically connected to the busbar; the grounding wire mounting base is provided with a fixed grounding wire electrically connected to it, and the end of the fixed grounding wire is electrically connected to the interior of the drawer switch. The invention connects the fixed ground wire with the ground copper bar, and compared with the prior art using wire clips and ground rods to directly connect with the bus bar, the stability of the circuit wiring is improved, and the deformation of the bus bar due to the force in the previous period or the ground wire clip is avoided. loose.

Description

Drawer type power supply cabinet with bus rapidly grounded

Technical Field

The invention belongs to the technical field of power connection equipment, and relates to a drawer type power supply cabinet with a bus rapidly grounded.

Background

The method for grounding the 380V bus by using the three-phase short-circuit grounding wire is not firm, and is embodied in that: 1. the three-phase grounding wire is at least 10kV, the wire clamp and the grounding rod are heavy, and the bus is clamped on the bus to be easily deformed or the grounding wire clamp is easily loosened due to excessive stress; 2. the external grounding wire occupies a large space, the screen cabinet is not used for an open type device and has a large operation space, and after the grounding wire is installed, a maintainer needs to carry out work after the cabinet to be very limited, so that the grounding wire clamp is easy to fall off and loses the grounding effect. The unreliable bus grounding causes great personal risks to field maintenance personnel, and the bus deformation problem is also caused by long-term use of the method.

Disclosure of Invention

The invention aims to provide a drawer type power supply cabinet with a bus rapidly grounded, and the drawer type power supply cabinet achieves the purposes of stable wiring and space saving.

In order to achieve the purpose, the invention adopts the following technical scheme:

a drawer type power supply cabinet with a bus rapidly grounded comprises a cabinet body, wherein a grounding wire mounting seat and a bus mounting seat are arranged at the front end of the cabinet body; a drawer switch is arranged on the lower side of the grounding wire mounting seat; the bus mounting seat is provided with a bus; the rear end of the drawer switch is electrically connected with the bus; the grounding wire mounting seat is provided with a fixed grounding wire electrically connected with the grounding wire mounting seat, and the tail end of the fixed grounding wire is electrically connected with the inside of the drawer switch.

Preferably, the inside of the drawer switch is provided with a grounding copper bar, and the fixed grounding wire is electrically connected with the grounding copper bar.

Preferably, the rear end of the drawer switch is connected with the bus switching.

Preferably, the front end of the bus mounting seat is provided with a plurality of bus mounting openings, and buses are mounted in the bus mounting openings.

Preferably, the front end of the ground wire mounting seat is provided with a ground wire mounting opening, and a fixed ground wire is mounted in the ground wire mounting opening.

The invention has the beneficial effects that: 1. according to the invention, the fixed grounding wire is connected with the grounding copper bar, compared with the prior art that the wire clamp and the grounding rod are directly connected with the bus, the stability of circuit wiring is improved, and the bus is prevented from being deformed or the grounding wire clamp is prevented from loosening due to the stress in the previous period;

2. when the drawer switch is pulled out, the fixed grounding wire is disconnected with the bus, when the drawer switch is closed, the fixed grounding wire is connected with the bus, and the operation is safe and convenient, so that the working personnel can avoid great personal risks.

3. And the connecting lines are summarized and arranged, so that the connecting lines are normalized.

Drawings

FIG. 1 is a schematic diagram of the present invention.

The reference numerals are explained below: 1-screen cabinet; 2-a ground wire mounting seat; 3-a bus mounting seat; 4-drawer switch; 5-bus bar; 6-fixing a grounding wire; 7-a grounding copper bar; 8-bus mounting port; 9-ground wire mounting port.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments, and it should be understood that the present application is not limited to the example embodiments disclosed and described herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The invention provides a drawing 1, in the embodiment of the invention, a drawer type power supply cabinet with a bus rapidly grounded comprises a cabinet 1, wherein a grounding wire mounting seat 2 and a bus mounting seat 3 are arranged at the front end of the cabinet 1; a drawer switch 4 is arranged on the lower side of the grounding wire mounting seat 2; the bus mounting seat 3 is provided with a bus 5; the rear end of the drawer switch 4 is electrically connected with the bus 5; the ground wire mounting seat 2 is provided with a fixed ground wire 6 electrically connected with the ground wire mounting seat, and the tail end of the fixed ground wire 6 is electrically connected with the inside of the drawer switch 4.

The screen cabinet 1 adopts the drawer switch 4, different from the open type equipment having wide operation space, the open type equipment is very limited in that the maintenance personnel need to carry out work after installing the grounding wire after the cabinet, the falling of the grounding wire clamp is easy to cause and the grounding effect is lost, the drawer switch 4 is adopted to conclude the connection and the layout of the arranging bus 5 and the fixed grounding wire 6, the fixed grounding wire 6 is not in direct contact with the bus 5, but is connected with the drawer switch 4, the opening and closing state of the grounding circuit is controlled through the drawer switch 4, and the user enables the fixed grounding wire 6 to be connected with or disconnected from the bus 5 through pulling open or an outer shell handle related to the drawer switch 4.

The inside of the drawer switch 4 is provided with a grounding copper bar 7, and the fixed grounding wire 6 is electrically connected with the grounding copper bar 7. The fixed grounding wire 6 is connected with the grounding copper bar 7, so that the wiring position of the grounding copper bar is reliably connected, and the phenomenon that the bus 5 is deformed and unstable in connection because the fixed grounding wire 6 is directly connected with the bus 5 is avoided.

The rear end of the drawer switch 4 is connected with the bus 5 in a switching way. The horizontal movement of the drawer switch 4 controls the connection of the fixed grounding wire 6 and the bus 5 to be opened and closed, when the drawer switch 4 moves horizontally outwards, the rear end of the drawer switch 4 is disconnected from the bus 5, the drawer switch is pushed horizontally inwards, and the rear end of the drawer switch 4 is reconnected with the bus 5.

The front end of the bus mounting seat 3 is provided with a plurality of bus mounting openings 8, and buses 5 are mounted in the bus mounting openings 8. The bus mounting seat 3 is provided with a plurality of bus mounting openings 8, and the buses 5 can be mounted in the bus mounting openings 8 according to the quantity requirement.

The front end of the grounding wire mounting seat 2 is provided with a grounding wire mounting opening 9, and a fixed grounding wire 6 is mounted in the grounding wire mounting opening 9. The ground wire mounting seat 2 is provided with a plurality of ground wire mounting openings 9, and the fixed ground wires 6 can be mounted in the ground wire mounting openings 9 according to the quantity requirement.

The bus 5 connected with the screen cabinet is disconnected at the connection part with the drawer switch 4 to form an open circuit; when the drawer switch 4 is pulled out, the fixed grounding wire 6 is disconnected from the bus 5; when the drawer switch 4 is closed, the fixed grounding wire 6 is connected with the bus 5, the screen cabinet continues to work, additional grounding wires are not needed, sufficient operation space of the screen cabinet is ensured, personal safety of field workers is ensured, and working efficiency of equipment operation maintenance personnel is improved.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A drawer-type power supply panel cabinet with quick grounding of busbars, characterized in that: it comprises a panel cabinet, and the front end of the panel cabinet is provided with a ground wire mounting seat and a busbar mounting seat;

A drawer switch is installed on the lower side of the ground wire mounting seat;

The busbar mounting seat is installed with a busbar;

The rear end of the drawer switch is electrically connected to the bus bar;

The ground wire mounting base is provided with a fixed ground wire electrically connected thereto, and the end of the fixed ground wire is electrically connected to the interior of the drawer switch.

2 . The drawer-type power panel cabinet of claim 1 , wherein a grounding copper bar is installed inside the drawer switch, and the fixed grounding wire and the grounding copper bar are electrically connected. 3 .

3 . The drawer-type power panel cabinet with a busbar fast grounding according to claim 1 , wherein the rear end of the drawer switch is connected to the busbar by switching. 4 .

4 . The drawer-type power panel cabinet with quick grounding of the busbar according to claim 1 , wherein the front end of the busbar mounting seat is provided with a plurality of busbar mounting ports, and the busbar mounting ports are installed with busbars. 5 .

5 . The drawer-type power panel cabinet of claim 1 , wherein the front end of the ground wire mounting seat is provided with a ground wire installation port, and a fixed ground wire is installed in the ground wire installation port. 6 .