CN218769249U

CN218769249U - Over-current prevention device of high-voltage circuit breaker

Info

Publication number: CN218769249U
Application number: CN202223261377.1U
Authority: CN
Inventors: 王小飞; 杨坤生; 陈尚虎; 陈海华; 张海峰; 郑斌
Original assignee: Guizhou Zhonglian New Energy Technology Co ltd
Current assignee: Guizhou Zhonglian New Energy Technology Co ltd
Priority date: 2022-12-06
Filing date: 2022-12-06
Publication date: 2023-03-28
Anticipated expiration: 2032-12-06

Abstract

The utility model belongs to the technical field of high voltage circuit breaker, especially, high voltage circuit breaker prevent electric installation, to having in the prior art along with the increase of voltage, if not cut off the power supply in time, cause the problem of serious damage to whole circuit device easily, the following scheme is proposed to the present, and it includes shell and wire, the wire runs through the shell, the top inner wall fixedly connected with motor of shell, the roof inner wall fixedly connected with baffle of shell, the right side sliding connection of baffle has the cutting board, the hollow plate of top fixedly connected with of cutting board, the top inner wall sliding connection of shell has the sliding plate, be equipped with control mechanism in the shell, beneficial effect: when voltage detector detected wire voltage when too high, voltage detector can control the motor and carry out work, and the motor can assist the cutting board to descend this moment and carry out automatic cutout to the wire, need not control through the staff, prevents that too high voltage from producing danger.

Description

Over-current prevention device of high-voltage circuit breaker

Technical Field

The utility model relates to a high voltage circuit breaker technical field especially relates to a high voltage circuit breaker prevent electric installation.

Background

In the prior art, a high-voltage circuit breaker (or called a high-voltage switch) not only can cut off or close no-load current and load current in a high-voltage circuit, but also can cut off overload current and short-circuit current through the action of a relay protection device when a system has faults, and the high-voltage circuit breaker has a quite perfect arc extinguishing structure and enough current breaking capacity.

However, in the above-mentioned technical solution, since a danger is easily generated when the voltage is too high, there is a problem that the entire circuit device is easily damaged when the power is turned off in time with the increase of the voltage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing circuit breaker is easy to cause serious damage to the whole circuit device along with the increase of voltage if the power is cut off in time, and providing a high-voltage circuit breaker prevent the over-current device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high voltage circuit breaker prevent electric installation, includes shell and wire, the wire runs through the shell, the top inner wall fixedly connected with motor of shell, the roof inner wall fixedly connected with baffle of shell, the right side sliding connection of baffle has the cutting board, the hollow slab of top fixedly connected with of cutting board, the top inner wall sliding connection of shell has the sliding plate, be equipped with control mechanism in the shell.

Preferably, the control mechanism comprises an extension plate, a connecting plate, a movable belt and a positioning plate, the extension plate is fixedly connected to the right side of the sliding plate, the right side of the extension plate penetrates through the baffle plate, the connecting plate is rotatably connected to the front side of the extension plate, the bottom of the connecting plate is rotatably connected with the front side of the cutting plate, the movable belt is wound on the outer wall of the rotating shaft of the motor, one end of the movable belt is fixedly connected with the left side of the sliding plate, and the positioning plate is slidably connected in the hollow plate.

Further, control mechanism carries out the rolling through controlling the movable area, and the movable area can remove through sliding plate control extension board this moment, and the extension board can promote the cutting board through the connecting plate and descend this moment to realize the effect of automatic cutout wire.

Preferably, the left side fixedly connected with spring No. two of locating plate, and the one end of spring No. two and the left side inner wall fixed connection of hollow slab.

Furthermore, through setting up No. two springs, no. two springs can promote the locating plate through self elasticity and remove.

Preferably, the right side of the shell is provided with a positioning hole, and the positioning plate is movably connected with the positioning hole.

Further, by providing the positioning hole, the positioning plate can restrict the movement of the cutting plate when the positioning plate is connected to the positioning hole.

Preferably, a voltage detector is arranged in the shell, the voltage detector is in contact with the lead, and the voltage detector is electrically connected with the motor.

Furthermore, through setting up voltage detector, voltage detector can in time detect the intensity of voltage, conveniently controls the motor simultaneously and carries out work.

Preferably, the top of the cutting board is fixedly connected with a first spring, and one end of the first spring is fixedly connected with the inner wall of the top of the shell.

Furthermore, through setting up a spring, a spring can pull the cutting board through self elasticity and go on the return.

Has the advantages that:

1. when the voltage detector detects that the voltage of the lead is too high, the voltage detector controls the motor to work, a rotating shaft of the motor rotates to wind the movable belt, when the movable belt moves, the movable belt pulls the sliding plate to move, and at the moment, the sliding plate synchronously pulls the extension plate to move;

2. the extension plate pushes the connecting plate to move along with the movement of the extension plate, the connecting plate synchronously pushes the cutting plate to descend, the cutting plate descends to cut the wire, and the cutting plate synchronously drives the hollow plate to move along with the descending of the cutting plate;

3. along with the removal of hollow core plate, hollow core plate drives the locating plate and removes, and when the locating plate removed, no. two springs promoted the locating plate through self elasticity and run through the locating hole, and the locating plate restricts the removal of cutting board this moment, guarantees that the cutting board keeps apart the wire, prevents that the high pressure from producing danger.

The utility model discloses in: when voltage detector detected wire voltage when too high, voltage detector can control the motor and carry out work, and the motor can assist the cutting board to descend this moment and carry out automatic cutout to the wire, need not control through the staff, prevents that too high voltage from producing danger.

Drawings

Fig. 1 is a cross-sectional view of a structure of an overcurrent protection device of a high-voltage circuit breaker according to the present invention;

fig. 2 is a three-dimensional structural view of a hollow plate and a positioning plate of an overcurrent prevention device of a high-voltage circuit breaker according to the present invention;

fig. 3 is a three-dimensional view of the structure of the sliding plate, the extending plate, the connecting plate and the cutting plate of the overcurrent preventing device of the high-voltage circuit breaker according to the present invention;

fig. 4 is the utility model provides a structure enlargements of a structure of overvoltage protection device of high voltage circuit breaker.

In the figure: 1. a housing; 2. a motor; 3. a wire; 4. a baffle plate; 5. a sliding plate; 6. a movable belt; 7. an extension plate; 8. a connecting plate; 9. cutting the board; 10. a first spring; 11. a hollow slab; 12. positioning a plate; 13. a second spring; 14. and a voltage detector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

Referring to fig. 1-4, an overcurrent prevention device of a high-voltage circuit breaker, including shell 1 and wire 3, wire 3 runs through shell 1, the top inner wall fixedly connected with motor 2 of shell 1, the roof inner wall fixedly connected with baffle 4 of shell 1, the right side sliding connection of baffle 4 has cutting board 9, the top fixedly connected with hollow board 11 of cutting board 9, the top inner wall sliding connection of shell 1 has sliding plate 5, be equipped with control mechanism in the shell 1, control mechanism includes extension board 7, connecting plate 8, movable belt 6 and locating plate 12, extension board 7 fixed connection is on the right side of sliding plate 5, and the right side of extension board 7 runs through baffle 4, connecting plate 8 rotates the front side of connecting at extension board 7, and the bottom of connecting plate 8 rotates with the front side of cutting board 9 and is connected, movable belt 6 twines the outer wall in motor 2 axis of rotation, and the one end of movable belt 6 and the left side fixed connection of sliding plate 5, locating plate 12 sliding connection is in hollow board 11, control mechanism rolls through controlling movable belt 6, movable belt 6 can control the extension board to advance 7 to move through the sliding plate 5, it can realize the automatic wire cutting board effect that the cutting board 9 to promote this moment.

By means of the structure: through setting up motor 2, when motor 2 carries out the during operation, motor 2 conveniently carries out the rolling to movable belt 6, and then control sliding plate 5 removes, and through setting up cutting board 9, cutting board 9 can contact with wire 3 automatically to accomplish the work of cutting off to wire 3, through setting up sliding plate 5, sliding plate 5 plays the effect of bearing extension board 7, and supplementary extension board 7 removes simultaneously.

The utility model discloses in, spring 13 No. two of left side fixedly connected with of locating plate 12, and spring 13's one end and hollow plate 11's left side inner wall fixed connection, through setting up spring 13 No. two, spring 13 can promote locating plate 12 through self elasticity and remove.

The utility model discloses in, the right side of shell 1 is equipped with the locating hole, and locating plate 12 and locating hole swing joint, through setting up the locating hole, when locating plate 12 is connected with the locating hole, locating plate 12 can restrict the removal of cutting board 9.

The utility model discloses in, be equipped with voltage detector 14 in the shell 1, and voltage detector 14 contacts with wire 3, voltage detector 14 and motor 2 electric connection, through setting up voltage detector 14, voltage detector 14 can in time detect the intensity of voltage, and convenient control motor 2 carries out work simultaneously.

The utility model discloses in, spring 10 of top fixedly connected with of cutting board 9, and the one end of a spring 10 and shell 1's top inner wall fixed connection, through setting up spring 10, spring 10 can stimulate cutting board 9 through self elasticity and carry out the return.

The working principle is as follows: in actual work, when voltage detector 14 detects that wire 3 voltage is too high, voltage detector 14 controls motor 2 to work, the axis of rotation of motor 2 rotates, roll movable belt 6, when movable belt 6 moves, movable belt 6 stimulates sliding plate 5 to move, sliding plate 5 stimulates extension plate 7 synchronously at this moment to move, along with the removal of extension plate 7, extension plate 7 promotes connecting plate 8 to move, connecting plate 8 promotes cutting plate 9 synchronously at this moment to descend, cutting plate 9 descends to accomplish the cutting to wire 3, simultaneously along with the decline of cutting plate 9, cutting plate 9 drives hollow plate 11 synchronously to move, along with the removal of hollow plate 11, hollow plate 11 drives locating plate 12 to move, when locating plate 12 moves, no. two spring 13 promotes locating plate 12 through self elasticity and runs through the locating hole, locating plate 12 limits the removal of cutting plate 9 at this moment, guarantee that cutting plate 9 keeps apart wire 3, prevent that high voltage from producing danger.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high voltage circuit breaker prevent electric installation, includes shell (1) and wire (3), its characterized in that, wire (3) run through shell (1), the top inner wall fixedly connected with motor (2) of shell (1), roof inner wall fixedly connected with baffle (4) of shell (1), the right side sliding connection of baffle (4) has cutting board (9), the hollow slab (11) of top fixedly connected with of cutting board (9), the top inner wall sliding connection of shell (1) has sliding plate (5), be equipped with control mechanism in shell (1).

2. The overcurrent prevention device of the high-voltage circuit breaker as recited in claim 1, wherein the control mechanism comprises an extension plate (7), a connecting plate (8), a movable belt (6) and a positioning plate (12), the extension plate (7) is fixedly connected to the right side of the sliding plate (5), the right side of the extension plate (7) penetrates through the baffle (4), the connecting plate (8) is rotatably connected to the front side of the extension plate (7), the bottom of the connecting plate (8) is rotatably connected to the front side of the cutting plate (9), the movable belt (6) is wound on the outer wall of the rotating shaft of the motor (2), one end of the movable belt (6) is fixedly connected to the left side of the sliding plate (5), and the positioning plate (12) is slidably connected in the hollow plate (11).

3. The overcurrent prevention device for the high-voltage circuit breaker according to claim 2, wherein a second spring (13) is fixedly connected to the left side of the positioning plate (12), and one end of the second spring (13) is fixedly connected to the inner wall of the left side of the hollow plate (11).

4. The overcurrent prevention device for the high-voltage circuit breaker according to claim 2, characterized in that a positioning hole is formed in the right side of the housing (1), and the positioning plate (12) is movably connected with the positioning hole.

5. An overvoltage protection device for a high voltage circuit breaker according to claim 1, characterized in that a voltage detector (14) is arranged in said housing (1), and the voltage detector (14) is in contact with the conductor (3), the voltage detector (14) being electrically connected to the motor (2).

6. The overvoltage protection device for high voltage circuit breakers according to claim 1, characterized in that the top of the cutting plate (9) is fixedly connected with a first spring (10), and one end of the first spring (10) is fixedly connected with the top inner wall of the housing (1).