CN216818193U - High-voltage circuit breaker - Google Patents

Abstract

The utility model relates to the technical field of power equipment, in particular to a high-voltage circuit breaker, which comprises a support plate, a switch component, a trigger component, a driving component and an indicating component, wherein the switch component is arranged on the support plate and used for connecting or disconnecting a circuit; the trigger piece is movably arranged on the switch component and can movably drive the switch component; the driving component is arranged on the supporting plate, is connected to the trigger piece and can drive the trigger piece to move; the indicating component is hinged on the supporting plate, and the triggering piece opens or closes the circuit and can drive the indicating component to rotate. Compared with a high-voltage circuit breaker structure in the prior art, the circuit breaker structure provided by the utility model can drive the indicating component to rotate to the corresponding position while opening or closing the circuit, an operator can clearly judge whether the circuit is in a connection state or a disconnection state through the position of the indicating component, and the operation safety is high.

Description

High-voltage circuit breaker

Technical Field

The utility model relates to the technical field of power equipment, in particular to a high-voltage circuit breaker.

Background

The high-voltage circuit breaker (or called high-voltage switch) not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off overload current and short-circuit current by the action of relay protection device when the system is in fault, and it possesses fairly perfect arc-extinguishing structure and enough current-breaking capacity.

The existing high-voltage circuit breaker has no obvious display part when a circuit is switched on or switched off, the circuit can be switched on or switched off only by judging the orientation of a brake or a switch deflector rod, and an operator sometimes cannot correctly judge whether the circuit is switched on or not, so that the risk of electric shock exists when the operator overhauls, maintains and operates, and the operation safety is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-voltage circuit breaker which can obviously display the on or off state of a circuit and has high operation safety.

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

a high voltage circuit breaker comprising:

a support plate;

the switch assembly is arranged on the supporting plate and used for connecting or disconnecting a circuit;

the trigger piece is movably arranged on the switch assembly and can movably drive the switch assembly to switch on or switch off the circuit;

the driving assembly is arranged on the supporting plate, is connected to the trigger piece and can drive the trigger piece to move;

the indicating assembly is hinged to the supporting plate, and the trigger piece drives the switch assembly and can drive the indicating assembly to rotate.

Preferably, the driving assembly comprises a rotating shaft and a cam, the rotating shaft is rotatably connected to the supporting plate, the cam is arranged on the rotating shaft, and the peripheral surface of the cam is in sliding contact with the trigger.

Preferably, the driving assembly further comprises a driving motor, the driving motor is arranged on the supporting plate, and the rotating shaft is in transmission connection with an output end of the driving motor.

Preferably, the trigger piece includes changeover bar and gyro wheel, the changeover bar removes to be set up on the switch module, the outer peripheral face slip butt of cam in the changeover bar, the gyro wheel rotate connect in on the changeover bar and roll the butt in indicate the subassembly.

Preferably, the indicating assembly comprises a pressing plate, a connecting rod and an indicating plate, one end of the pressing plate is hinged to the supporting plate, the other end of the pressing plate is hinged to the connecting rod, and the indicating plate is rotatably connected to the supporting plate and hinged to the connecting rod.

Preferably, the indicating component further comprises a torsion spring, the torsion spring is rotatably arranged on the supporting plate, one of two torsion arms of the torsion spring abuts against the indicating plate, and the other torsion arm is fixedly connected to the supporting plate.

Preferably, the support plate further comprises a bolt connected to the support plate, and the torsion arm abuts against the bolt.

Preferably, the supporting plate is further provided with a circuit on-off mark, and the circuit on-off mark is located between the supporting plate and the indicating component.

Preferably, the switch assembly further comprises a protective cover which covers the switch assembly.

Preferably, the power supply further comprises a voltage sensor for detecting the voltage of the circuit.

The utility model has the beneficial effects that: compared with the high-voltage circuit breaker structure in the prior art, the circuit breaker structure provided by the utility model has the advantages that when an operator operates the switch-off and circuit-breaking or switch-on, the switch assembly is indirectly operated by operating the driving assembly to realize the on-off of the circuit, the risk of electric shock does not exist, the trigger can drive the indicating assembly to rotate to the corresponding position while the circuit is opened or closed, the operator can clearly judge whether the circuit is in the on-state or the off-state through the position of the indicating assembly, and the operation safety is high.

Drawings

Fig. 1 is a schematic view of the overall structure of a high voltage circuit breaker according to the present invention;

fig. 2 is a top view of the high voltage circuit breaker of the present invention without cam and pressing plate.

In the figure:

100. a support plate;

1. a switch assembly;

2. a trigger; 21. a transfer lever; 22. a roller;

3. a drive assembly; 31. a rotating shaft; 32. a cam;

4. an indicating component; 41. pressing a plate; 42. a connecting rod; 43. a sign; 44. a torsion spring;

5. and (4) bolts.

Detailed Description

The technical scheme of the utility model is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 2, the present invention provides a high voltage circuit breaker, including a supporting plate 100, a switching assembly 1, a triggering member 2, a driving assembly 3 and an indicating assembly 4, wherein the switching assembly 1 is disposed on the supporting plate 100 for making or breaking a circuit; the trigger piece 2 is movably arranged on the switch component 1 and can movably drive the switch component 1; the driving component 3 is arranged on the supporting plate 100, is connected to the trigger 2, and can drive the trigger 2 to move; the indicating component 4 is hinged on the supporting plate 100, and the triggering part 2 opens or closes the circuit and can drive the indicating component 4 to rotate.

Compared with a high-voltage circuit breaker structure in the prior art, according to the circuit breaker structure provided by the embodiment, when an operator operates to open or close a switch or a switch, the switch assembly 1 is indirectly operated through the operation driving assembly 3 to realize the connection or disconnection of a circuit, the risk of electric shock does not exist, the trigger 2 can drive the indication assembly 4 to rotate to a corresponding position while opening or closing the circuit operation, the operator can clearly judge whether the circuit is in a connection state or in a disconnection state through the position of the indication assembly 4, and the operation safety is high.

Specifically, the driving assembly 3 includes a rotating shaft 31 and a cam 32, the rotating shaft 31 is rotatably connected to the supporting plate 100, the cam 32 is disposed on the rotating shaft 31, the outer peripheral surface of the cam 32 is in sliding contact with the trigger 2, an operator can rotate the rotating shaft 31 through manual operation to drive the cam 32 to rotate, the rotating shaft 31 can be made of an insulating material, the operator is prevented from getting an electric shock, the outer peripheral surface of the cam 32 is in contact with the trigger 2, the trigger 2 is moved to drive the switch assembly 1 to be switched on or switched off, and meanwhile the trigger 2 drives the indicating assembly 4 to rotate to a corresponding position to prompt the operator to be switched on or switched off at the moment.

Furthermore, as a preferred scheme of this embodiment, drive assembly 3 still includes driving motor, driving motor sets up in backup pad 100, pivot 31 transmission is connected in driving motor's output, operating personnel only need control driving motor's on-off motion can accomplish the switch-on or the disconnection operation of circuit, need not manual rotation pivot 31, furthermore, still include voltage sensor, voltage sensor can detect the voltage of circuit, feed back to control system when circuit voltage is unusual, control system can control driving motor rapidly and realize the operation of disconnection circuit, further improve device's degree of automation.

Specifically, the trigger member 2 includes an adapter rod 21 and a roller 22, the adapter rod 21 is movably disposed on the switch component 1, an outer peripheral surface of the cam 32 is in sliding contact with the adapter rod 21, the roller 22 is rotatably connected to the adapter rod 21 and in rolling contact with the indication component 4, when the cam 32 rotates, the outer peripheral surface of the cam 32 can drive the adapter rod 21 to move along a set direction to drive the switch component 1 to switch on or switch off a circuit, and when the adapter rod 21 moves, the roller 22 rolls on the indication component 4 and drives the indication component 4 to rotate to indicate a position of a corresponding circuit to be switched on or switched off.

Specifically, indicate subassembly 4 including clamp plate 41, connecting rod 42 and sign 43, clamp plate 41 one end articulates in backup pad 100, and the other end is connected with connecting rod 42 is articulated, and sign 43 rotates to be connected on backup pad 100 and with connecting rod 42 articulated connection, and concrete working process is: the changeover bar 21 drives the gyro wheel 22 to move, the gyro wheel 22 drives the clamp plate 41 and rotates around articulated department, the connecting rod 42 rotates along with the clamp plate 41 and drives the sign 43 to rotate to corresponding position, furthermore, still be provided with circuit break-make mark on the backup pad 100, circuit break-make mark is located between backup pad 100 and the indicating component 4, circuit break-make mark is located between backup pad 100 and the sign 43 in this embodiment, paste on backup pad 100 after the circuit break-make mark accessible is printed, also can be through directly carving out corresponding mark in backup pad 100 laser, do not too much restriction here, the sign 43 makes the judgement circuit break-make state that operating personnel surveyability to the directional mark position that corresponds.

Specifically, the indication component 4 further includes a torsion spring 44, the torsion spring 44 is rotatably disposed on the supporting plate 100, further, in this embodiment, the torsion spring 44 is disposed on a rotating shaft connecting the indication board 43 and the supporting plate 100, one of two torsion arms of the torsion spring 44 abuts against the indication board 43, and the other one abuts against the bolt 5, in the action process of the cam 32, the torsion spring 44 gradually changes to a compressed state, after the cam 32 completes a period of rotation, and after the closing or opening operation is achieved, the cam 32 rotates to the outer peripheral surface without contacting the trigger 2, at this time, the torsion spring 44 rebounds, and the indication component 4 reversely drives the trigger 2 to move to drive the switch component 1 to open or close, so as to save the consumption of electric energy.

Specifically, the protection device further comprises a protection cover which covers the switch assembly 1, so that short circuit or electric shock of an operator caused by external dust entering or damp air influence of the switch assembly 1 is prevented, and the safety performance of the device is further improved.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A high voltage circuit breaker, comprising:

a support plate (100);

a switch assembly (1) disposed on the support plate (100) for making or breaking an electric circuit;

the trigger piece (2) is movably arranged on the switch assembly (1) and can move to drive the switch assembly (1) to switch on or off the circuit;

the driving assembly (3) is arranged on the supporting plate (100), is connected to the trigger piece (2) and can drive the trigger piece (2) to move;

the indicating component (4) is hinged to the supporting plate (100), and the trigger piece (2) drives the switch component (1) and can drive the indicating component (4) to rotate.

2. The high voltage circuit breaker according to claim 1, wherein said driving assembly (3) comprises a rotating shaft (31) and a cam (32), said rotating shaft (31) is rotatably connected to said supporting plate (100), said cam (32) is disposed on said rotating shaft (31), and an outer circumferential surface of said cam (32) is slidably abutted to said triggering member (2).

3. The high voltage circuit breaker according to claim 2, characterized in that said drive assembly (3) further comprises a drive motor, said drive motor being arranged on said support plate (100), said rotary shaft (31) being drivingly connected to an output of said drive motor.

4. The high-voltage circuit breaker according to claim 2, wherein the trigger member (2) comprises an adapter rod (21) and a roller (22), the adapter rod (21) is movably disposed on the switch component (1), the outer peripheral surface of the cam (32) is in sliding contact with the adapter rod (21), and the roller (22) is rotatably connected to the adapter rod (21) and in rolling contact with the indicating component (4).

5. The high voltage circuit breaker according to claim 4, characterized in that the indicating assembly (4) comprises a pressing plate (41), a connecting rod (42) and an indicating plate (43), wherein one end of the pressing plate (41) is hinged on the supporting plate (100), the other end is hinged with the connecting rod (42), and the indicating plate (43) is rotatably connected on the supporting plate (100) and hinged with the connecting rod (42).

6. The high voltage circuit breaker according to claim 5, characterized in that said indicating assembly (4) further comprises a torsion spring (44), said torsion spring (44) being rotatably arranged on said supporting plate (100), one of the two torsion arms of said torsion spring (44) abutting against said indicating plate (43) and the other being fixedly connected to said supporting plate (100).

7. The high voltage circuit breaker according to claim 6, further comprising a bolt (5), said bolt (5) being connected to said support plate (100), said torque arm abutting against said bolt (5).

8. The high voltage circuit breaker according to any of claims 1-7, characterized in that said support plate (100) is further provided with circuit on-off markings, said circuit on-off markings being located between said support plate (100) and said indicating assembly (4).

9. The high voltage circuit breaker according to any of claims 1-7, further comprising a protective cover, which covers the switch assembly (1).

10. The high voltage circuit breaker according to any of claims 1-7, further comprising a voltage sensor for detecting the voltage of the circuit.

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