CN221057335U

CN221057335U - High-voltage switch cabinet circuit breaker

Info

Publication number: CN221057335U
Application number: CN202322773715.8U
Authority: CN
Inventors: 王佳
Original assignee: Jiangsu Pengtai Electric Co ltd
Current assignee: Jiangsu Pengtai Electric Co ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-05-31
Anticipated expiration: 2033-10-17

Abstract

The utility model discloses a high-voltage switch cabinet circuit breaker, which comprises a shell, a backboard arranged at the back of the shell, a panel movably arranged at the front side of the shell, a heat dissipation opening and a threading opening which are arranged at the side surface of the shell, wherein the limiting component comprises a spring fixed on the inner wall of the threading opening and an arc-shaped clamping plate connected with the end part of the spring, the circuit breaker body is fixed in an inner cavity of the shell, and an alarm is arranged in the shell; the arc clamping plates are symmetrically arranged, and connecting wires are clamped between the arc clamping plates. According to the utility model, the protection assembly is arranged to realize the external protection of the breaker body, so that the breaker body is prevented from being touched by mistake or damaged by mistake; meanwhile, through the arrangement of the limiting assembly, wiring reinforcement of the circuit breaker body is achieved, the phenomenon that the wiring of the circuit breaker body falls off is avoided, and under the action of an alarm, workers are prompted, and the operation failure of the high-voltage switch cabinet is avoided.

Description

High-voltage switch cabinet circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a high-voltage switch cabinet circuit breaker.

Background

The circuit breaker is an indispensable electrical component in the high-voltage switch cabinet, can be used for distributing electric energy, does not frequently start an asynchronous motor, protects a power line, the motor and the like, can automatically cut off a circuit when serious overload or short circuit, undervoltage and other faults occur, and has the functions equivalent to the combination of a fuse type switch, an overheat relay and the like.

The circuit breaker that uses in the present high tension switchgear is naked installation basically, leads to in the maintenance and the installation to the internal component of high tension switchgear, easily bumps because of the mistake, leads to the tripping operation of circuit breaker, and the circuit breaker lacks alarm structure when tripping operation simultaneously, and the suggestion effect is not good, and the practicality is lower.

To this end, the present utility model proposes a high-voltage switchgear circuit breaker to achieve an improvement of the above-mentioned problems.

Disclosure of utility model

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

The technical scheme adopted by the utility model is as follows:

The utility model provides a high tension switchgear circuit breaker, protection component includes the shell, sets up in the backplate at shell back, activity set up in the panel of shell front side to and set up in the thermovent and the threading mouth of shell side, spacing subassembly is including being fixed in the spring of threading mouth inner wall, and connect in the arc splint of spring tip, the circuit breaker body is fixed in the inside cavity of shell, the siren sets up in the shell inside.

Preferably, the arc clamping plates are symmetrically arranged, and connecting wires are clamped between the arc clamping plates.

Preferably, a filter screen is filled in the heat dissipation port.

Preferably, a limit knob is fixed in the middle of the side of the panel, and the panel is fixed with the shell through the limit knob.

Preferably, the alarm is matched with the breaker body, and an independent power supply is arranged in the alarm.

Preferably, the backboard is fixed inside the high-voltage switch cabinet through screws, and the backboard and the shell are of an integrated structure.

By adopting the technical scheme, the beneficial effects obtained by the utility model are as follows:

1. According to the utility model, the protection assembly is arranged to realize the external protection of the breaker body and prevent the breaker body from being mistakenly touched or damaged, wherein an outer wrapping structure formed by the shell, the back plate and the panel in the protection assembly is responsible for the installation and protection of the breaker body, and meanwhile, the heat dissipation holes and the threading holes formed at the edge parts do not influence the heat dissipation and wiring of the breaker body, so that the breaker body is effectively protected by a simple structure.

2. According to the utility model, the wiring reinforcement of the breaker body is realized by arranging the limiting assembly, so that the falling phenomenon of the wiring of the breaker body is avoided, wherein the arc clamping plate in the limiting assembly limits the clamping of the connecting wire passing through the threading opening, so that the connecting wire is prevented from moving easily, and the alarm is additionally arranged, so that when the breaker body trips, an alarm is sent out, and the working fault of the high-voltage switch cabinet is prompted.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic side view of the overall structure of an embodiment of the present utility model;

Fig. 3 is a schematic front view of the interior of the overall structure of an embodiment of the present utility model.

Reference numerals:

1. A protective assembly; 11. a housing; 12. a back plate; 13. a panel; 14. a heat radiation port; 15. a threading opening; 16. a filter screen; 17. a limit knob;

2. a limit component; 21. a spring; 22. an arc clamping plate;

3. A circuit breaker body;

4. An alarm.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

A high voltage switchgear circuit breaker provided by some embodiments of the present utility model is described below with reference to the accompanying drawings.

Embodiment one:

Referring to fig. 1-3, the protection component 1 of the high-voltage switch cabinet circuit breaker provided by the utility model comprises a shell 11, a backboard 12 arranged at the back of the shell 11, a panel 13 movably arranged at the front side of the shell 11, a heat dissipation opening 14 and a threading opening 15 which are arranged at the side surface of the shell 11, wherein the limit component 2 comprises a spring 21 fixed at the inner wall of the threading opening 15, and an arc-shaped clamping plate 22 connected with the end part of the spring 21, the circuit breaker body 3 is fixed in the inner cavity of the shell 11, and the alarm 4 is arranged in the shell 11; the breaker body 3 is used in a high-voltage switch cabinet, the protection component 1 is used for protecting and installing and fixing the breaker body 3, wherein the shell 11 is used as an external protection structure of the breaker body 3, is matched with the arrangement of the panel 13, realizes complete protection of the outside of the breaker body 3, realizes the limitation of wiring of the breaker body under the action of the limiting component 2, avoids loosening of the wiring of the breaker body 3, and finally increases the alarm effect in a breaking state by the arrangement of the alarm 4.

Specifically, the arc clamping plates 22 are symmetrically arranged, and connecting wires are clamped between the arc clamping plates 22; the arc clamping plates 22 are used for clamping and positioning connecting wires, wherein the two arc clamping plates 22 are arranged separately and are close to or far away from each other, so that the limit of the connecting wires with different diameters is met.

Specifically, a filter screen 16 is filled in the heat dissipation port 14; the filter screen 16 is used for blocking dust, moisture and the like in the air from entering the interior of the housing 11, and does not affect heat dissipation of elements in the housing 11.

Specifically, a limit knob 17 is fixed in the middle of the edge of the panel 13, and the panel 13 is fixed with the shell 11 through the limit knob 17; the limit knob 17 is used for fixing the relative position between the panel 13 and the housing 11, so as to ensure the protection effect of the panel 13 on the internal structure of the housing 11.

Specifically, the alarm 4 is matched with the breaker body 3, and an independent power supply is arranged in the alarm 4; the alarm 4 and the breaker body 3 are operated synchronously, and an independent power supply built in the alarm 4 is used for outputting the power of the self.

Specifically, the back plate 12 is fixed inside the high-voltage switch cabinet through screws, and the back plate 12 and the shell 11 are of an integrated structure; the back board 12 seals the back of the built-in chamber of the housing 11, the integral structure of the back board 12 and the housing 11 makes the overall stability of the protection component 1 higher, and the back board 12 is also used as a fixing structure for fixing the protection component 1 and the high-voltage switch cabinet.

The working principle and the using flow of the utility model are as follows: firstly, the backboard 12 is arranged in a high-voltage switch cabinet, so that the position of the shell 11 is fixed, then the breaker body 3 is fixedly arranged in the shell 11, an external connecting wire passes through the threading opening 15 and is connected with the terminal of the breaker body 3 at the end part, the connecting wire is difficult to move easily under the clamping of the arc clamping plate 22 in the limiting assembly 2, meanwhile, the alarm 4 is connected with the breaker body 3, finally, the panel 13 is closed, the limiting knob 17 is screwed, the position between the panel 13 and the shell 11 is fixed, and the installation of the breaker body 3 is completed through the process;

When the breaker body 3 trips, the alarm 4 simultaneously gives an alarm to prompt a worker that the circuit is broken by the internal operation circuit of the high-voltage switch cabinet.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. A high voltage switchgear circuit breaker, comprising:

The protection assembly (1) comprises a shell (11), a back plate (12) arranged on the back of the shell (11), a panel (13) movably arranged on the front side of the shell (11), and a heat dissipation port (14) and a threading port (15) which are arranged on the side surface of the shell (11);

The limiting assembly (2) comprises a spring (21) fixed on the inner wall of the threading opening (15) and an arc-shaped clamping plate (22) connected to the end part of the spring (21);

the breaker body (3) is fixed in the inner cavity of the shell (11);

And an alarm (4) provided inside the housing (11).

2. A high-voltage switchgear circuit breaker according to claim 1, characterized in that the arc clamps (22) are symmetrically arranged and that connecting wires are clamped between the arc clamps (22).

3. A high voltage switchgear circuit breaker according to claim 1, characterized in that the heat dissipation opening (14) is filled with a filter screen (16).

4. A high voltage switchgear circuit breaker according to claim 1, characterized in that the panel (13) is fixed with a limit knob (17) in the middle of the edge, and the panel (13) is fixed with the housing (11) via the limit knob (17).

5. A high voltage switchgear circuit breaker according to claim 1, characterized in that the alarm (4) is associated with the circuit breaker body (3) and that the alarm (4) incorporates an independent power supply.

6. A high voltage switchgear circuit breaker according to claim 1, characterized in that the back plate (12) is screwed inside the high voltage switchgear and that the back plate (12) is of integral construction with the housing (11).