CN219738869U

CN219738869U - Direct current breaker

Info

Publication number: CN219738869U
Application number: CN202320859786.7U
Authority: CN
Inventors: 夏娟娟
Original assignee: Shenyang Shengbang Electrical Technology Co ltd
Current assignee: Shenyang Shengbang Electrical Technology Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-09-22
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a direct current breaker, which comprises a wall body and an inner breaker shell, wherein mounting plates are fixedly arranged on the upper end face and the lower end face of the inner breaker shell, clamping grooves are formed in the front and the rear of the upper end face and the lower end face of the mounting plates, an outer shell is sleeved outside the inner breaker shell, round holes are formed in the front and the rear of the upper end face and the lower end face of the outer shell, a compression bar is arranged on the inner side of the round holes, a spring B is sleeved on the outer surface of the compression bar, containing grooves are formed in one side, opposite to each round hole, of each two compression bars, a clamping block is fixedly connected to one side, opposite to the outer surface of the compression bar, a jack is formed in one side, upper side and lower side, of the outer surface of the outer shell, and through holes are formed in the front and the rear. The utility model is convenient for disassembling the outer shell and the inner shell of the circuit breaker, is convenient for overhauling, and the circuit breaker is powered off and can automatically give out an alarm to remind workers.

Description

Direct current breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a direct current circuit breaker.

Background

The circuit breaker is a switching device which can switch on, bear and switch off the current under the normal loop condition and switch on, bear and switch off the current under the abnormal loop condition within a specified time, and the direct current circuit breaker has super-current limiting performance and can accurately protect relay protection and automatic devices from faults such as overload and short circuit. The direct current circuit breaker has the advantages of current limiting and arc extinguishing capability, and through a large number of comprehensive scientific tests, the full-selective protection of the main screen, the protection screen and the relay screen in the direct current system below 3000Ah can be realized.

The difficulty of the development of the direct current circuit breaker in the market is shown in two aspects, firstly, the direct current fault current is slowly switched off due to the slow operating speed of the mechanical switch, the damage degree of the circuit is increased, and secondly, the circuit breaker is large in size, and the number of elements of the whole circuit breaker is inconvenient to install and fix.

CN 212907599U's a direct current circuit breaker is through being provided with two fixed plates, mount and hang the board and make things convenient for the circuit breaker to install fixedly, and the simple to operate of show board is known and is operated the circuit breaker, and the setting of antiskid line facilitates the user to promote mechanical switch, fixed connection between two movable posts, thereby prolongs mechanical switch's life, thereby two baffles are dustproof moisture proof protection to the control mouth has solved above-mentioned technical problem. The existing direct current breakers are complicated to detach during maintenance, the detachment of the maintenance personnel is inconvenient, trouble is brought to the maintenance personnel, a great amount of time is wasted when the maintenance personnel detach the direct current breakers, and an alarm device is not arranged when the direct current breakers automatically cut off a circuit, so that the maintenance personnel cannot be informed of the maintenance of the circuit in the first time; therefore, the existing requirements are not met, and a direct current breaker is proposed.

Disclosure of Invention

The utility model aims to provide a direct current breaker, which solves the problems that most of the prior direct current breakers provided in the prior art are complicated to detach during maintenance, inconvenient for maintenance personnel to detach, cause trouble to the maintenance personnel, cause great time waste during the detachment of the direct current breaker, and the direct current breaker is not provided with an alarm device during the automatic circuit breaking, and can not inform the maintenance personnel to overhaul the circuit in the first time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a direct current breaker, includes wall body and circuit breaker inner housing, the equal fixed mounting of terminal surface has the mounting panel about the circuit breaker inner housing, the front and back of mounting panel up end and lower terminal surface all is provided with the draw-in groove, the outside cover of circuit breaker inner housing is equipped with the shell body, the front and back of shell body up end and lower terminal surface is provided with the round hole, the inboard of round hole is provided with the depression bar, the surface cover of depression bar is equipped with spring B, every two the opposite one side of round hole is provided with the storage tank, every two the opposite one side fixedly connected with fixture block of depression bar surface, one side of fixture block surface is provided with the jack, all be provided with the through-hole about the front and back of shell body external surface one side, the inboard of through-hole is provided with the inserted bar, the surface cover of inserted bar is equipped with spring A, the centre of shell body external surface one side is provided with logical groove, the inboard of logical groove is provided with the rotor plate, the below of rotor plate is provided with the fixed block, the up end of fixed block is provided with strip type groove, the middle copper sheet groove up end face B is provided with the side of installation spring C, the side of the copper sheet is provided with the fixed plate C through the fixed plate, the fixed connection has the terminal surface under the fixed plate of C.

Preferably, the mounting plate is fixedly connected with the wall body through a screw, a rubber pad is fixedly connected to one side of the inner surface of the outer shell, and the outer surface of the rubber pad is attached to the outer surface of the inner shell of the circuit breaker.

Preferably, a base is arranged on the inner side of the through groove, and the base is hinged with the rotating plate through a pin shaft.

Preferably, a connecting hole is formed in one side of the clamping groove, the inserted rod penetrates through the connecting hole, and the inserted rod is matched with the jack.

Preferably, a storage battery is arranged in the fixing block, and the storage battery, the copper sheet A, the copper sheet B and the buzzer body form a closed loop.

Preferably, the clamping block is matched with the clamping groove, and the size of the clamping block is smaller than that of the containing groove.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the outer shell, the inserted link, the compression bar, the clamping block, the clamping groove, the storage groove and the jack are arranged, when the circuit breaker needs to be overhauled, the inserted link is pulled outwards firstly, the inserted link moves to leave the inner side of the jack, the limit of the clamping block is released, the compression bar is pulled outwards, the compression bar moves to drive the clamping block to move, the clamping block leaves the clamping groove to retract into the inner side of the storage groove, the limit of the inner shell of the circuit breaker is released, the outer shell can be detached from the outer shell of the circuit breaker, so that the disassembly of an overhauler is simpler, and the situation that the overhauler needs to waste a large amount of time to disassemble the circuit breaker is avoided;

2. according to the utility model, the fixed block, the movable plate, the copper sheet A, the copper sheet B, the spring C and the buzzer body are arranged, when the circuit breaker is powered off, the movable plate is pressed down by the rotation of the rotating plate, the spring C is compressed, the copper sheet A and the copper sheet B are contacted, and the buzzer body gives out an alarm to remind a worker of power off.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a front cross-sectional view of the entire present utility model;

FIG. 3 is a schematic view of a part of the structure of the card slot of the present utility model;

fig. 4 is a schematic view showing a partial structure of the fixing block of the present utility model.

In the figure: 1. an outer housing; 2. a rod; 3. a compression bar; 4. a mounting plate; 5. an inner housing of the circuit breaker; 6. a wall body; 7. a fixed block; 8. a rotating plate; 9. a through groove; 10. a through hole; 11. a spring A; 12. a jack; 13. a clamping block; 14. a clamping groove; 15. a storage groove; 16. a round hole; 17. a spring B; 18. a square groove; 19. a buzzer body; 20. a bar-shaped groove; 21. a movable plate; 22. copper sheet A; 23. copper sheet B; 24. and a spring C.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The buzzer body 19 (model HRB-N80) referred to in the present utility model is available from market purchase or private customization.

Referring to fig. 1 to 4, an embodiment of the present utility model provides: the direct current breaker comprises a wall 6 and an inner breaker shell 5, wherein the upper end face and the lower end face of the inner breaker shell 5 are fixedly provided with mounting plates 4, clamping grooves 14 are respectively arranged on the front and the rear of the upper end face and the lower end face of the mounting plates 4, an outer shell 1 is sleeved outside the inner breaker shell 5, round holes 16 are respectively arranged on the front and the rear of the upper end face and the lower end face of the outer shell 1, compression bars 3 are arranged on the inner sides of the round holes 16, springs B17 are sleeved on the outer surfaces of the compression bars 3, storage grooves 15 are arranged on the opposite sides of every two round holes 16, clamping blocks 13 are fixedly connected to the opposite sides of the outer surfaces of every two compression bars 3, insertion holes 12 are arranged on one side of the outer surfaces of the clamping blocks 13, through holes 10 are formed in the front and the rear of one side of the outer surface of the outer shell body 1, inserting rods 2 are arranged on the inner side of the through holes 10, springs A11 are sleeved on the outer surface of the inserting rods 2, through grooves 9 are formed in the middle of one side of the outer surface of the outer shell body 1, rotating plates 8 are arranged on the inner side of the through grooves 9, fixing blocks 7 are arranged below the rotating plates 8, strip-shaped grooves 20 are formed in the upper end faces of the fixing blocks 7, copper sheets B23 are arranged in the middle of the upper end faces of the strip-shaped grooves 20, springs C24 are arranged on the two sides of the upper end faces of the strip-shaped grooves 20, movable plates 21 are fixedly connected to the upper end faces of the springs C24, copper sheets A22 are arranged in the middle of the lower end faces of the movable plates 21, and buzzer bodies 19 are arranged on the lower end faces of the fixing blocks 7 through square grooves 18.

Further, mounting panel 4 passes through screw fixed connection with wall body 6, and one side fixedly connected with rubber pad of shell 1 internal surface, the surface laminating of rubber pad and the surface of circuit breaker internal shell 5 improves the leakproofness of shell 1 and circuit breaker internal shell 5 junction.

Further, the inner side of the through groove 9 is provided with a base, the base is hinged with the rotating plate 8 through a pin shaft, and when the circuit breaker breaks, the rotating plate 8 can be conveniently rotated through the base to close the circuit breaker.

Further, a connecting hole is formed in one side of the clamping groove 14, the inserting rod 2 penetrates through the connecting hole, the inserting rod 2 is matched with the inserting hole 12, and the inserting rod 2 can be inserted into the inner side of the inserting hole 12.

Further, a storage battery, a copper sheet A22, a copper sheet B23 and a buzzer body 19 are arranged in the fixing block 7 to form a closed loop, and when the copper sheet A22 and the copper sheet B23 are in contact, the buzzer body 19 is electrified to give an alarm.

Further, the clamping block 13 is matched with the clamping groove 14, the size of the clamping block 13 is smaller than that of the containing groove 15, the clamping block 13 can be clamped into the inner side of the clamping groove 14, and the clamping block 13 can be retracted into the inner side of the containing groove 15.

Working principle: when the circuit breaker is required to be overhauled, the inserting rod 2 is pulled outwards, the inserting rod 2 moves to leave the inner side of the jack 12, the limit of the clamping block 13 is relieved, the pressing rod 3 is pulled outwards, the pressing rod 3 moves to drive the clamping block 13 to move, the clamping block 13 leaves the clamping groove 14 to retract into the inner side of the containing groove 15, the limit of the inner shell 5 of the circuit breaker is relieved, the outer shell 1 can be detached from the inner shell 5 of the circuit breaker, an overhauling person is enabled to detach more simply, the situation that a great amount of time is wasted for disassembling the circuit breaker by the overhauling person is avoided, when the circuit breaker is powered off, the rotating plate 8 rotates to press the movable plate 21 downwards, the spring C24 is compressed, the copper sheet A22 and the copper sheet B23 are contacted, the buzzer body 19 gives out an alarm sound to remind the worker of power off, the circuit breaker is convenient to detach the outer shell 1 and the inner shell 5 of the circuit breaker, the circuit breaker is convenient to overhaul, and the circuit breaker is automatically reminded of the power off.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a direct current circuit breaker, includes wall body (6) and circuit breaker inner housing (5), its characterized in that: the circuit breaker inner shell (5) is characterized in that the mounting plate (4) is fixedly mounted on the upper end face and the lower end face of the mounting plate (4), clamping grooves (14) are formed in the front and the rear of the upper end face and the lower end face of the mounting plate (4), an outer shell (1) is sleeved on the outer side of the circuit breaker inner shell (5), round holes (16) are formed in the front and the rear of the upper end face and the lower end face of the outer shell (1), a pressing rod (3) is arranged on the inner side of the round holes (16), a spring B (17) is sleeved on the outer surface of the pressing rod (3), a containing groove (15) is formed in one side, opposite to the round holes (16), of each two pressing rods (3), a clamping block (13) is fixedly connected to one side, a jack (12) is formed in one side, a through hole (10) is formed in one side, on the outer side of the outer side, of the outer shell (1), a plug rod (2) is arranged on the front and the rear of the outer side, a spring A (11) is sleeved on the outer side of the outer shell (1), a through groove (9) is formed in the middle of the outer side of the outer surface of the outer shell (1), a through hole (9), a rotating block (8) is formed in the middle, the rotating block (7), copper sheet B (23) is installed in the centre of strip type groove (20) up end, spring C (24) are installed to the both sides of strip type groove (20) up end, the up end fixedly connected with fly leaf (21) of spring C (24), copper sheet A (22) is installed in the centre of the lower terminal surface of fly leaf (21), buzzer body (19) are installed through square groove (18) to the lower terminal surface of fixed block (7).

2. A dc circuit breaker according to claim 1, characterized in that: the mounting plate (4) is fixedly connected with the wall body (6) through screws, a rubber pad is fixedly connected to one side of the inner surface of the outer shell (1), and the outer surface of the rubber pad is attached to the outer surface of the inner shell (5) of the circuit breaker.

3. A dc circuit breaker according to claim 1, characterized in that: the inner side of the through groove (9) is provided with a base, and the base is hinged with the rotating plate (8) through a pin shaft.

4. A dc circuit breaker according to claim 1, characterized in that: one side of the clamping groove (14) is provided with a connecting hole, the inserted link (2) penetrates through the connecting hole, and the inserted link (2) is matched with the jack (12).

5. A dc circuit breaker according to claim 1, characterized in that: the inside of fixed block (7) is provided with the battery, copper sheet A (22), copper sheet B (23) and buzzer body (19) form closed loop.

6. A dc circuit breaker according to claim 1, characterized in that: the clamping block (13) is matched with the clamping groove (14), and the size of the clamping block (13) is smaller than that of the containing groove (15).