CN213936074U

CN213936074U - Circuit breaker with L-shaped copper bar structure

Info

Publication number: CN213936074U
Application number: CN202022787460.7U
Authority: CN
Inventors: 王文辉
Original assignee: Shenzhen NYY Technology Co Ltd
Current assignee: Shenzhen NYY Technology Co Ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-10
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a circuit breaker with L type copper bar structure belongs to circuit breaker technical field, in particular to circuit breaker with L type copper bar structure. The circuit breaker comprises a circuit breaker main body and an L-shaped copper bar assembly; the L-shaped copper bar assembly comprises more than one L-shaped copper bar, the L-shaped copper bars are parallel to each other, and the distance between every two adjacent L-shaped copper bars is the same; and the L-shaped copper bars are fixedly connected with the breaker main body. A certain distance is arranged between the L-shaped copper bars, so that the arrangement of power supply wiring is more orderly, and the safety distance is increased; secondly, the both sides of L type copper bar all are provided with binding post, can connect the bus respectively at the both sides of copper bar with auxiliary power line, make bus and auxiliary power line separation, and easy management more simultaneously, the both sides of L type copper bar all can be worked a telephone switchboard, reduce copper bar faying surface and insulated column quantity, increase product reliability and reduce cost.

Description

Circuit breaker with L-shaped copper bar structure

Technical Field

The utility model belongs to the technical field of the circuit breaker, in particular to circuit breaker with L type copper bar structure.

Background

A circuit breaker is a circuit device which is widely used, and refers to a switching device which can close, carry, and open/close a current under a normal circuit condition and can close, carry, and open/close a current under an abnormal circuit condition within a prescribed time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current.

The copper bar design of traditional circuit breaker product is that the level is placed or phase sequence stack basically, and when being qualified for the next round of competitions more, the design can lead to the narrow and small position of being qualified for the next round of competitions that leads to in the lead-out terminal bare copper terminal wiring space to be mixed and disorderly, and the main power is qualified for the next round of competitions and the electric wire is got with the sampling line and is alternately overlapped, and not light wiring is inefficient, increases the use cost of product, and can have the potential safety hazard.

The prior art discloses a circuit breaker busbar copper bar structure with patent number CN 201621026485.2. The circuit breaker comprises an R-phase bus copper bar, an S-phase bus copper bar and a T-phase bus copper bar, wherein the R-phase bus copper bar and the T-phase bus copper bar are respectively arranged on two sides of the S-phase bus copper bar; the lower part of the S-phase bus copper bar is bent upwards and arched, the upper end of the S-phase bus copper bar is connected with a central fixing piece, and the central fixing piece is connected with the output end of the circuit breaker; and a plurality of connecting end holes are symmetrically arranged at the lower parts of the R-phase bus copper bar, the S-phase bus copper bar and the T-phase bus copper bar. The utility model relates to an ingenious, simple structure effectively eliminates the production of electric arc.

Although the circuit breaker effectively eliminates electric arcs, the circuit breaker still has the problems of disordered wiring and potential safety hazards.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the primary object of the present invention is to provide a circuit breaker with an L-shaped copper bar structure, which is safer and more orderly for wiring;

another object of the utility model is to provide a circuit breaker with L-shaped copper bar structure, which effectively increases the wiring area of the copper bar, can effectively save the number of copper bars and insulating columns, and increases the reliability of the product;

the last purpose of the utility model is to provide a circuit breaker with L type copper bar structure, this circuit breaker simple structure, with low costs, facilitate promotion and use.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a circuit breaker with L type copper bar structure, this circuit breaker include circuit breaker main part, L type copper bar subassembly and circuit breaker main part fixed connection.

Furthermore, the L-shaped copper bar assembly comprises more than one L-shaped copper bar, the L-shaped copper bars are parallel to each other, and the distance between every two adjacent L-shaped copper bars is the same; and the L-shaped copper bars are fixedly connected with the breaker main body.

Further, both ends all are provided with the copper bar connecting piece around the circuit breaker main part, the one end and the circuit breaker main part fixed connection of copper bar connecting piece, the other end and the L type copper bar fixed connection of copper bar connecting piece.

Further, set up the screw on the copper bar connecting piece, set up integrated into one piece's screw on the L type copper bar, the screw forms helicitic texture with screw looks adaptation, L type copper bar passes through helicitic texture and copper bar connecting piece threaded connection.

Furthermore, an L-shaped vertical plate is further arranged on the L-shaped copper bar, and the L-shaped vertical plate and the L-shaped copper bar are integrally formed to form a complete L-shaped copper bar structure.

Furthermore, the L-shaped vertical plate is provided with two wiring terminal fixing holes which are respectively arranged at the corners of the front end and the rear end of the L-shaped vertical plate.

Further, set up binding post on the binding post fixed orifices, binding post and L type riser threaded connection, and two binding post set up respectively in the different faces of L type riser.

Furthermore, the front end of the L-shaped copper bar is also provided with an insulating column, and the insulating column is fixedly connected with the L-shaped copper bar.

The utility model has the advantages that: compared with the prior art, firstly, the circuit breaker of the utility model is provided with more than one L-shaped copper bar, and a certain distance is arranged between the L-shaped copper bars, so that the arrangement of the power supply wiring is more orderly, and the safety distance is increased; secondly, the two sides of the L-shaped copper bar are provided with the connecting terminals, the bus and the auxiliary power line can be connected to the two sides of the copper bar respectively, so that the bus and the auxiliary power line are separated and are easier to manage; finally, the circuit breaker is simple in overall structure, low in manufacturing cost and convenient to popularize and use.

Drawings

Fig. 1 is a schematic structural diagram of a first view angle of the present invention;

fig. 2 is a schematic structural diagram of a second viewing angle of the present invention;

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

referring to fig. 1-2, in order to achieve the above purpose, the technical solution of the present invention is as follows:

the utility model provides a circuit breaker with L type copper bar structure, this circuit breaker include circuit breaker main part 1, L type

copper bar subassembly

2 and 1 fixed connection of circuit breaker main part.

In this embodiment, the L-shaped copper bar assembly 2 includes more than one L-shaped copper bar 21, the L-shaped copper bars 21 are parallel to each other, and the distance between two adjacent L-shaped copper bars 21 is the same; the L-shaped copper bars 21 are fixedly connected with the breaker main body 1.

In this embodiment, both ends all are provided with copper bar connecting piece 11 around circuit breaker main part 1, the one end and the circuit breaker main part 1 fixed connection of copper bar connecting piece 11, the other end and the L type copper bar 21 fixed connection of copper bar connecting piece 11.

In this embodiment, set up screw 111 on the copper bar connecting piece 11, set up integrated into one piece's screw 211 on the L type copper bar 21, screw 111 and screw 211 looks adaptation form the helicitic texture, L type copper bar 21 passes through helicitic texture and 11 threaded connection of copper bar connecting piece.

In this embodiment, an L-shaped riser 212 is further disposed on the L-shaped copper bar 21, and the L-shaped riser 212 and the L-shaped copper bar 21 are integrally formed to form a complete L-shaped copper bar structure.

In this embodiment, the L-shaped riser 212 is provided with two terminal fixing holes 213, and the two terminal fixing holes 213 are respectively disposed at the corners of the front and rear ends of the L-shaped riser 212.

In this embodiment, the terminal fixing hole 213 is provided with a terminal 214, the terminal 214 is screwed with the L-shaped riser 212, and the two terminals 214 are respectively disposed on different surfaces of the L-shaped riser 212.

In this embodiment, the front end of the L-shaped copper bar 21 is further provided with an insulating column 215, and the insulating column 215 is fixedly connected with the L-shaped copper bar 21.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A circuit breaker with an L-shaped copper bar structure is characterized by comprising a circuit breaker main body and an L-shaped copper bar assembly; the L-shaped copper bar assembly comprises more than one L-shaped copper bar, the L-shaped copper bars are parallel to each other, and the distance between every two adjacent L-shaped copper bars is the same; and the L-shaped copper bars are fixedly connected with the breaker main body.

2. The circuit breaker with the L-shaped copper bar structure as claimed in claim 1, wherein the copper bar connecting pieces are disposed at both the front and rear ends of the circuit breaker main body, one end of the copper bar connecting piece is fixedly connected to the circuit breaker main body, and the other end of the copper bar connecting piece is fixedly connected to the L-shaped copper bar.

3. The circuit breaker with the L-shaped copper bar structure as claimed in claim 2, wherein the copper bar connecting piece is provided with a screw thread piece, the L-shaped copper bar is provided with an integrally formed screw hole, the screw hole and the screw thread piece are matched to form a screw thread structure, and the L-shaped copper bar is in threaded connection with the copper bar connecting piece through the screw thread structure.

4. The circuit breaker with the L-shaped copper bar structure as claimed in claim 1, wherein an L-shaped riser is disposed on the L-shaped copper bar, and the L-shaped riser and the L-shaped copper bar are integrally formed to form a complete L-shaped copper bar structure.

5. The circuit breaker with the L-shaped copper bar structure as claimed in claim 4, wherein the L-shaped vertical plate is provided with two terminal fixing holes, and the two terminal fixing holes are respectively disposed at the corners of the front end and the rear end of the L-shaped vertical plate.

6. The circuit breaker with the L-shaped copper bar structure as claimed in claim 5, wherein the terminal fixing hole is provided with a terminal, the terminal is connected with the L-shaped vertical plate by screw threads, and the two terminals are respectively disposed on different surfaces of the L-shaped vertical plate.

7. The circuit breaker with the L-shaped copper bar structure as claimed in claim 1, wherein an insulating column is further disposed at the front end of the L-shaped copper bar, and the insulating column is fixedly connected to the L-shaped copper bar.