CN214753613U

CN214753613U - High-voltage circuit breaker control device of high-voltage switch cabinet

Info

Publication number: CN214753613U
Application number: CN202121030259.2U
Authority: CN
Inventors: 院娟娟; 史丽丽
Original assignee: Henan Beikai Electrical Equipment Co ltd
Current assignee: Henan Beikai Electrical Equipment Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-11-16
Anticipated expiration: 2031-05-14

Abstract

The utility model provides a high-voltage circuit breaker control device of a high-voltage switch cabinet, which comprises a power box, an arc extinguish chamber which is arranged on one side of the upper surface of the power box and the top of which is provided with a static contact, a first piston which is arranged in the power box in a sliding way and a second piston which is arranged in the arc extinguish chamber in a sliding way and is provided with a moving contact, the power box is provided with a vent at the position in the arc extinguish chamber, one end of the power box far away from the arc extinguish chamber is provided with a detachable cover plate, an electromagnet is arranged on one surface of the cover plate facing the power box, a permanent magnet which is repelled with the electromagnet is arranged on one surface of the first piston facing the electromagnet, one side of the first piston, which is far away from the permanent magnet, is provided with a return spring which is arranged along the length direction of the power box, reset spring keeps away from a pot head of first piston and is equipped with the drum, compares with prior art, the utility model discloses following beneficial effect has: the moving contact and the static contact can be separated quickly, and the safety is improved.

Description

High-voltage circuit breaker control device of high-voltage switch cabinet

Technical Field

The utility model relates to a high tension switchgear's high voltage circuit breaker controlling means belongs to circuit breaker technical field.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their range of use.

Chinese utility model patent publication No. CN208673984U discloses a device for pneumatically controlling on/off of an indoor high-voltage vacuum circuit breaker, which is described as follows: the inside of headstock is equipped with the lead screw, the inner wall rotation that the bearing was passed through to the one end of lead screw and headstock is connected, telescopic inside is equipped with the internal thread, the other end and the sleeve of lead screw pass through threaded connection, the internally mounted of install bin has the motor, the tip fixed connection of install bin and headstock and lead screw is passed to the output of motor, the first piston of one end fixedly connected with of lead screw is kept away from to the sleeve, work through the motor, the output shaft that makes the motor drives the lead screw and rotates, thereby control sleeve controls the removal about in the headstock, close the check valve, at the in-process that first piston is moving right, under the effect of atmospheric pressure, make the second piston upward movement in the arc extinguish chamber, thereby make movable contact and static contact realize the intercommunication to the circuit breaker, but its weak point that exists is: when the motor is damaged, the moving contact and the static contact are difficult to separate quickly, and the moving contact and the static contact need to be separated by disassembling parts under the condition that the moving contact and the static contact are not separated, so that great danger exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-tension circuit breaker controlling means of high tension switchgear to solve the problem that proposes in the above-mentioned background art, the utility model discloses realize quick separation moving contact and static contact, improve the security.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a high-voltage circuit breaker controlling means of high tension switchgear, includes the headstock, install the explosion chamber that just the top was equipped with the static contact on one side of the headstock upper surface, slidable mounting first piston and the second piston that has the moving contact of slidable mounting in the explosion chamber in the headstock, the blow vent has been seted up to the position department that the headstock is in the explosion chamber, the one end that the explosion chamber was kept away from to the headstock is installed the detachable apron, the electro-magnet is installed towards the one side of headstock to the apron, the permanent magnet that repels with the electro-magnet is installed towards the one side of electro-magnet to first piston, one side that first piston deviates from the permanent magnet is equipped with the reset spring who arranges along headstock length direction, the pot head that first piston was kept away from to reset spring is equipped with the drum, reset spring's one end and headstock fixed connection are kept away from to the drum.

Furthermore, an internal thread is processed on the inner surface of the cylinder, a threaded column cap is connected to the internal thread of the cylinder, and an inner hexagonal hole is formed in one surface, facing the reset spring, of the threaded column cap.

Furthermore, a limiting ring is installed on one surface, facing the return spring, of the first piston, and one end, far away from the cylinder, of the return spring extends into the limiting ring.

Furthermore, a supporting rod is fixedly connected to the lower portion of the outer surface of one end, close to the first piston, of the cylinder, and one end, far away from the cylinder, of the supporting rod is fixedly connected with the power box.

Further, surface mounting has the L template on the apron, the horizontal part of L template extends to the headstock upside and has seted up the round hole, be equipped with the connecting bolt with headstock threaded connection in the round hole.

Furthermore, the power box is fixedly connected with a convex block at the position facing the L-shaped plate, a threaded hole aligned with the round hole is formed in the convex block, and the connecting bolt penetrates through the round hole and is in threaded connection with the threaded hole.

Furthermore, one side of the cover plate facing the power box is fixedly connected with a rectangular frame, and the rectangular frame is inserted into the power box and attached to the inner surface of the power box.

Furthermore, a connecting plate is fixedly connected to the edge of the lower portion of one side face of the power box, two mounting holes used for inserting bolts are formed in the upper surface of the connecting plate, a supporting plate which keeps a certain distance from the connecting plate is arranged on the upper side of the connecting plate, the supporting plate is fixedly connected with the power box, and two inserting holes aligned with the mounting holes are formed in the upper surface of the supporting plate.

The utility model has the advantages that: the circuit of the electromagnet is switched on, the electromagnet generates magnetism repulsive to the permanent magnet, and then under the action of the repulsive force, the first piston moves towards the direction of the arc extinguish chamber in the power box, so that air in the power box enters the arc extinguish chamber through the vent, the second piston is forced to drive the moving contact to be in contact with the fixed contact, the reset spring is in a compressed state at the moment, when the electromagnet is damaged, the electromagnet and the permanent magnet are not repelled, and then under the action of the resilience force of the reset spring, the first piston moves in the reverse direction, the moving contact is forced to be separated from the fixed contact, and the electromagnet is convenient to replace by detaching parts under the separation and cleaning of the moving contact and the fixed contact, and the safety is improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a high-voltage circuit breaker control device of a high-voltage switch cabinet according to the present invention;

fig. 2 is an assembly schematic diagram of a first piston, a second piston and a return spring in the high-voltage circuit breaker control device of the high-voltage switch cabinet of the present invention;

in the figure: the device comprises a power box 1, a power box 2, an arc extinguish chamber 2, a connecting plate 3, a mounting hole 4, a support plate 5, a through hole 6, a cover plate 7, a plate 8-L, a connecting bolt 9, a bump 10, a rectangular frame 11, an electromagnet 12, a permanent magnet 13, a first piston 14, a limit ring 15, a reset spring 16, a support rod 17, a hexagon socket 18, a threaded column head 19, a cylinder 20, a vent 21, a second piston 22, a moving contact 23 and a static contact 24.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: the utility model provides a high-voltage circuit breaker controlling means of high tension switchgear, includes headstock 1, install at headstock 1 upper surface one side and the top is equipped with static contact 24's explosion chamber 2, first piston 14 of slidable mounting in headstock 1 and slidable mounting have a second piston 22 of moving contact 23 in explosion chamber 2, the position department that headstock 1 is in explosion chamber 2 has seted up blow vent 21, blow vent 21 realizes communicating between explosion chamber 2 and headstock 1.

Connecting plate 3 of 1 side lower part edge fixedly connected with of headstock, connecting plate 3 upper surface and offering two mounting holes 4 that are used for alternate bolt, connecting plate 3 upside be equipped with even board 3 and keep the extension board 5 of a determining deviation, extension board 5 and headstock 1 fixed connection, extension board 5 upper surface is offered two and is worn jack 6 with mounting hole 4 is aligned, the bolt that will fix even board 3 passes jack 6 and mounting hole 4 in proper order, and then under extension board 5's support, a part screw rod position of the bolt of fixed even board 3 is in the exposed state, the later stage of being convenient for adopts the mode of sawing to break to handle the bolt of fixed even board 3 that is difficult to dismantle.

The one end that explosion chamber 2 was kept away from to headstock 1 is installed detachable apron 7, and electro-magnet 12 is installed towards the one side of headstock 1 to apron 7, and apron 7 provides the installation carrier for electro-magnet 12.

Surface mounting has L template 8 on the apron 7, and the horizontal part of L template 8 extends to 1 upside of headstock and has seted up the round hole, is equipped with in the round hole with 1 threaded connection's of headstock connecting bolt 9, utilizes connecting bolt 9 to install L template 8 on headstock 1, the apron 7 of being convenient for and the dismouting of headstock 1.

The power box 1 is fixedly connected with a convex block 10 at the position facing the L-shaped plate 8, a threaded hole aligned with the round hole is formed in the convex block 10, the connecting bolt 9 penetrates through the round hole to be connected in the threaded hole in a threaded mode, and the thickness of the connecting part of the power box 1 is locally increased through the design of the convex block 10.

One side fixedly connected with rectangle frame 11 of apron 7 towards headstock 1, rectangle frame 11 assigns into headstock 1 and laminates mutually with headstock 1 internal surface, assigns rectangle frame 11 into headstock 1, improves the stability of apron 7 and headstock 1 relative position.

The permanent magnet 13 which is repelled with the electromagnet 12 is installed on the surface of the first piston 14 facing the electromagnet 12, a return spring 16 which is arranged along the length direction of the power box 1 is arranged on the side of the first piston 14 away from the permanent magnet 13, a cylinder 20 is sleeved on the end, away from the first piston 14, of the return spring 16, one end, away from the return spring 16, of the cylinder 20 is fixedly connected with the power box 1, a circuit of the electromagnet 12 is switched on, the electromagnet 12 generates magnetism repelled with the permanent magnet 13, and then under the action of the repulsion force, the first piston 14 moves towards the direction of the arc extinguish chamber 2 in the power box 1, so that air in the power box 1 enters the arc extinguish chamber 2 through the vent 21 to force the second piston 22 to drive the moving contact 23 to contact with the static contact 24, at the moment, the return spring 16 is in a compressed state, when the electromagnet 12 is damaged, the electromagnet 12 and the permanent magnet 13 do not repel, and further under the action of the rebound force of the return spring 16, the first piston 14 moves reversely to force the movable contact 23 to be separated from the fixed contact 24, so that the electromagnet 12 can be replaced by detaching the component when the movable contact 23 is separated from the fixed contact 24, and the safety is improved.

The inner surface of the cylinder 20 is provided with an internal thread, the internal thread of the cylinder 20 is connected with a threaded column head 19, one surface, facing the reset spring 16, of the threaded column head 19 is provided with a hexagon socket 18, a hexagon socket wrench is inserted into the hexagon socket 18, the position of the threaded column head 19 in the cylinder 20 is adjusted by the hexagon socket wrench, the length of the reset spring 16 extending into the cylinder 20 is convenient to adjust, and the reset springs 16 with different lengths can be conveniently selected.

A limiting ring 15 is installed on one surface, facing the return spring 16, of the first piston 14, one end, far away from the cylinder 20, of the return spring 16 extends into the limiting ring 15, and the limiting ring 15 limits the end position of the return spring 16.

The lower part of the outer surface of one end of the cylinder 20 close to the first piston 14 is fixedly connected with a supporting rod 17, one end of the supporting rod 17 far away from the cylinder 20 is fixedly connected with the power box 1, and the design of the supporting rod 17 improves the installation stability of the cylinder 20.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high tension switchgear's high voltage circuit breaker controlling means, includes headstock (1), install headstock (1) upper surface one side and the top is equipped with explosion chamber (2) of static contact (24), first piston (14) and the second piston (22) that have moving contact (23) of slidable mounting in explosion chamber (2) of slidable mounting in headstock (1), its characterized in that: vent (21) have been seted up to position department that headstock (1) is in explosion chamber (2), detachable apron (7) are installed to the one end that explosion chamber (2) were kept away from in headstock (1), electro-magnet (12) are installed towards the one side of headstock (1) in apron (7), permanent magnet (13) that repulse mutually with electro-magnet (12) are installed towards the one side of electro-magnet (12) in first piston (14), one side that first piston (14) deviate from permanent magnet (13) is equipped with reset spring (16) of arranging along headstock (1) length direction, the pot head that first piston (14) were kept away from in reset spring (16) is equipped with drum (20), the one end and headstock (1) fixed connection of reset spring (16) are kept away from in drum (20).

2. The control device for a high-voltage circuit breaker of a high-voltage switchgear cabinet as claimed in claim 1, characterized in that: the inner surface of the cylinder (20) is provided with an internal thread, the internal thread of the cylinder (20) is connected with a threaded column cap (19), and one surface of the threaded column cap (19) facing the reset spring (16) is provided with a hexagon socket (18).

3. The control device for a high-voltage circuit breaker of a high-voltage switchgear cabinet as claimed in claim 1, characterized in that: a limiting ring (15) is installed on one surface, facing the return spring (16), of the first piston (14), and one end, far away from the cylinder (20), of the return spring (16) extends into the limiting ring (15).

4. The control device for a high-voltage circuit breaker of a high-voltage switchgear cabinet as claimed in claim 1, characterized in that: the lower part of the outer surface of one end, close to the first piston (14), of the cylinder (20) is fixedly connected with a supporting rod (17), and one end, far away from the cylinder (20), of the supporting rod (17) is fixedly connected with the power box (1).

5. The control device for a high-voltage circuit breaker of a high-voltage switchgear cabinet as claimed in claim 1, characterized in that: surface mounting has L template (8) on apron (7), the horizontal part of L template (8) extends to headstock (1) upside and has seted up the round hole, be equipped with in the round hole with headstock (1) threaded connection's connecting bolt (9).

6. The control device for a high-voltage circuit breaker of a high-voltage switchgear cabinet as claimed in claim 5, characterized in that: the power box (1) is fixedly connected with a convex block (10) at the position facing the L-shaped plate (8), a threaded hole aligned with the round hole is formed in the convex block (10), and the connecting bolt (9) penetrates through the round hole and is connected in the threaded hole in a threaded mode.

7. The control device for a high-voltage circuit breaker of a high-voltage switchgear cabinet as claimed in claim 1, characterized in that: one side of the cover plate (7) facing the power box (1) is fixedly connected with a rectangular frame (11), and the rectangular frame (11) is inserted into the power box (1) and attached to the inner surface of the power box (1).

8. The control device for a high-voltage circuit breaker of a high-voltage switchgear cabinet as claimed in claim 1, characterized in that: the bolt connecting structure is characterized in that a connecting plate (3) is fixedly connected to the edge of the lower portion of one side face of the power box (1), two mounting holes (4) used for inserting bolts are formed in the upper surface of the connecting plate (3), a supporting plate (5) which keeps a certain distance from the connecting plate (3) is arranged on the upper side of the connecting plate (3), the supporting plate (5) is fixedly connected with the power box (1), and two inserting holes (6) which are aligned with the mounting holes (4) are formed in the upper surface of the supporting plate (5).