CN214313023U

CN214313023U - Magnetic iron core for circuit breaker in transformer substation

Info

Publication number: CN214313023U
Application number: CN202023076052.7U
Authority: CN
Inventors: 刘佳佳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-19
Filing date: 2020-12-19
Publication date: 2021-09-28
Anticipated expiration: 2030-12-19

Abstract

The utility model discloses a magnetic iron core for a breaker in a transformer substation in the technical field of breakers, which comprises a substrate, wherein one side of the top of the substrate is uniformly connected with a strut, the top of the strut is connected with a solenoid framework, the periphery of the solenoid framework is spirally wound with a solenoid, the inner cavity of the solenoid framework is movably inserted with a first iron core, the other side of the top of the substrate is provided with a fixed seat, the inner cavity of a through hole is movably inserted with a second iron core, the left end and the right end of the second iron core both extend out of the inner cavity of the through hole on the fixed seat, the breaker in the transformer substation arranges a controllable electromagnetic field force between a permanent magnetic field force and a mechanical spring force of a reset spring through the reset spring arranged on the first iron core, and elastic potential energy provides power for tripping action to improve the shock resistance of the breaker, the circuit breaker is safer and more reliable in use.

Description

Magnetic iron core for circuit breaker in transformer substation

Technical Field

The utility model relates to a circuit breaker technical field specifically is a magnetic core for circuit breaker in transformer substation.

Background

The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in an electric power system. The substations in the power plant are step-up substations, which are used to boost up the electrical energy generated by the generator and feed it into the high-voltage network.

In the high-voltage circuit breaker, the closing is realized by converting electric energy into mechanical energy by utilizing the electromagnetic action after a closing coil is electrified, so that an armature of the closing coil impacts a closing operating mechanism of the circuit breaker, and the aim of closing the high-voltage circuit breaker is fulfilled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a magnetic core for circuit breaker in transformer substation to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a magnetism iron core for circuit breaker in transformer substation, includes base plate, antidetonation subassembly, one side at base plate top evenly is connected with the pillar, the top of pillar all is connected with the solenoid skeleton, the periphery of solenoid skeleton is convoluted the winding and is provided with solenoid, the inner chamber activity of solenoid skeleton is pegged graft and is provided with first iron core, the opposite side at base plate top is provided with the fixing base, just first iron core is close to fixing base one end and extends solenoid skeleton inner chamber, the fixing base is close to solenoid skeleton one end and transversely runs through with first iron core corresponding position and is provided with the through-hole, through-hole inner chamber activity is pegged graft and is provided with the second iron core, just both ends all extend the through-hole inner chamber on the fixing base about the second iron core, the second iron core is close to solenoid skeleton one end fixedly connected with right side solid fixed ring.

Preferably, the subassembly of combatting earthquake includes solid fixed ring in a left side, just solid fixed ring in a left side cup joints the periphery of fixing the one end that is close to the fixing base at first iron core, solid fixed ring in a left side is close to fixing base one side and evenly is connected with the guide bar, the guide bar periphery all cup joints and is provided with reset spring, just the guide bar is kept away from solid fixed ring in a left side one end and all runs through solid fixed ring in the right side and with fixing base fixed connection.

Preferably, reset spring sets up between solid fixed ring in the right side and the solid fixed ring in the left side, just reset spring's both ends respectively with solid fixed ring in the left side and the solid fixed ring welded fastening in the right side.

Preferably, the outer wall of the second iron core is uniformly provided with a slide bar, the through hole inner wall on the fixing seat and the corresponding position of the slide bar are transversely provided with slide bar rails matched with the slide bar, and the slide bar is respectively and movably arranged in the inner cavities of the slide bar rails matched with each other.

Preferably, one end, far away from the first iron core, of the second iron core is fixedly connected with a limiting plate.

Preferably, the inner cavity of the electromagnetic coil framework is provided with a plurality of groups of annular grooves, the inner cavities of the annular grooves are all provided with rubber clamp fixing rings in an adhesive manner, and the rubber clamp fixing rings are all connected with the first iron core in an attaching manner.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a magnetic core for circuit breaker in transformer substation, the circuit breaker passes through control circuit control solenoid's electric current size and direction in this transformer substation for the reset spring of setting on first iron core, but place controlled electromagnetic field force between the mechanical spring force of magnetic field force and reset spring between second iron core and the first iron core in, improve this circuit breaker shock resistance, make this circuit breaker safe and reliable more when using.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a substrate; 2. a pillar; 3. an electromagnetic coil frame; 4. an electromagnetic coil; 5. an annular groove; 6. A rubber clamping ring; 7. a first iron core; 8. an anti-seismic assembly; 9. a left retaining ring; 10. a guide bar; 11. a return spring; 12. a fixed seat; 13. a second iron core; 14. a slide bar; 15. a limiting plate; 16. and a right fixing ring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a magnetic iron core for a circuit breaker in a transformer substation comprises a substrate 1 and an anti-seismic assembly 8, wherein one side of the top of the substrate 1 is uniformly connected with a strut 2, the top of each strut 2 is connected with an electromagnetic coil framework 3, an electromagnetic coil 4 is spirally wound on the periphery of the electromagnetic coil framework 3, the electromagnetic coil 4 is electrically connected with a control circuit, a first iron core 7 is movably inserted in an inner cavity of the electromagnetic coil framework 3, a fixed seat 12 is arranged on the other side of the top of the substrate 1, one end of the first iron core 7, which is close to the fixed seat 12, extends out of the inner cavity of the electromagnetic coil framework 3, a through hole is transversely arranged at the position, which is close to the electromagnetic coil framework 3, of the fixed seat 12 and corresponds to the first iron core 7 in a penetrating manner, a second iron core 13 is movably inserted in the inner cavity of the through hole, the left end and the right end of the second iron core 13, which is close to the electromagnetic coil framework 3, is fixedly connected with a right fixing ring 16, the circuit breaker in this transformer substation is through reset spring 11 of setting up on first iron core 7, but place controlled electromagnetic field power in between permanent magnetic field power and reset spring 11's the mechanical spring force, and elastic potential energy provides power for the tripping operation, improves this circuit breaker shock resistance nature for this circuit breaker is safe and reliable more when using.

Referring to fig. 1, the anti-seismic assembly 8 includes a left fixing ring 9, and the left fixing ring 9 is sleeved and fixed on the periphery of one end of the first iron core 7 close to the fixing seat 12, one side of the left fixing ring 9 close to the fixing seat 12 is uniformly connected with a guide rod 10, the periphery of the guide rod 10 is sleeved with a return spring 11, and one end of the guide rod 10 far away from the left fixing ring 9 penetrates through a right fixing ring 16 and is fixedly connected with the fixing seat 12.

Referring to fig. 1, the return spring 11 is disposed between the right fixing ring 16 and the left fixing ring 9, and two ends of the return spring 11 are respectively welded and fixed to the left fixing ring 9 and the right fixing ring 16.

Referring to fig. 1, the outer wall of the second iron core 13 is uniformly provided with sliding bars 14, the inner wall of the through hole on the fixing base 12 is transversely provided with sliding bar rails matched with the sliding bars 14 at positions corresponding to the sliding bars 14, and the sliding bars 14 are respectively and movably arranged in the inner cavities of the sliding bar rails matched with each other.

Referring to fig. 1, a limiting plate 15 is fixedly connected to an end of the second iron core 13 away from the first iron core 7.

Referring to fig. 1, the inner cavity of the electromagnetic coil frame 3 is provided with a plurality of sets of annular grooves 5, the inner cavities of the annular grooves 5 are respectively provided with a rubber clamp fixing ring 6 in an adhesive manner, and the rubber clamp fixing rings 6 are respectively attached to and connected with the first iron core 7.

The working principle is as follows:

the circuit breaker in this transformer substation passes through control circuit control solenoid 4's electric current size and direction for the reset spring 11 of setting on first iron core 7, but place controlled electromagnetic field power between the mechanical spring force of second iron core 13 and between the magnetic field force of first iron core 7 and reset spring 11 in, improve this circuit breaker shock resistance nature, make this circuit breaker safe and reliable more when using.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A magnetic core for a circuit breaker in a substation, comprising a substrate (1), an anti-seismic assembly (8), characterized in that: the electromagnetic coil is characterized in that a supporting column (2) is uniformly connected to one side of the top of the base plate (1), an electromagnetic coil framework (3) is connected to the top of the supporting column (2), an electromagnetic coil (4) is wound around the periphery of the electromagnetic coil framework (3), a first iron core (7) is movably inserted into an inner cavity of the electromagnetic coil framework (3), a fixed seat (12) is arranged on the other side of the top of the base plate (1), one end, close to the fixed seat (12), of the first iron core (7) extends out of the inner cavity of the electromagnetic coil framework (3), a through hole is transversely arranged at the position, close to the electromagnetic coil framework (3), of the fixed seat (12) and corresponding to the first iron core (7) in a penetrating mode, a second iron core (13) is movably inserted into the inner cavity of the through hole, and the left end and the right end of the second iron core (13) both extend out of the inner cavity of the through hole on the fixed seat (12), and one end of the second iron core (13) close to the electromagnetic coil framework (3) is fixedly connected with a right fixing ring (16).

2. A magnetic core for a circuit breaker in a substation according to claim 1, characterized in that: antidetonation subassembly (8) including left side solid fixed ring (9), just left side solid fixed ring (9) cup joint and fix the periphery that is close to the one end of fixing base (12) in first iron core (7), left side solid fixed ring (9) are close to fixing base (12) one side and evenly are connected with guide bar (10), guide bar (10) periphery all cup joints and is provided with reset spring (11), just guide bar (10) are kept away from left side solid fixed ring (9) one end and all are run through right side solid fixed ring (16) and with fixing base (12) fixed connection.

3. A magnetic core for a circuit breaker in a substation according to claim 2, characterized in that: reset spring (11) set up between solid fixed ring (16) in the right side and solid fixed ring (9) in the left side, just reset spring (11)'s both ends respectively with solid fixed ring (9) in the left side and solid fixed ring (16) welded fastening in the right side.

4. A magnetic core for a circuit breaker in a substation according to claim 1, characterized in that: the outer wall of second iron core (13) evenly is provided with draw runner (14), the through-hole inner wall on fixing base (12) all transversely is provided with the draw runner rail that matches with draw runner (14) corresponding position, just draw runner (14) activity respectively set up in the draw runner rail inner chamber that matches separately.

5. A magnetic core for a circuit breaker in a substation according to claim 1, characterized in that: and one end of the second iron core (13) far away from the first iron core (7) is fixedly connected with a limiting plate (15).

6. A magnetic core for a circuit breaker in a substation according to claim 1, characterized in that: the electromagnetic coil framework (3) inner chamber is provided with a plurality of groups of ring grooves (5), the inner chamber of the ring groove (5) is glued with a rubber clamp fixing ring (6), and the rubber clamp fixing ring (6) is attached to and connected with the first iron core (7).