CN112635259A

CN112635259A - Electricity taking mechanism of test device of circuit breaker

Info

Publication number: CN112635259A
Application number: CN202011563621.2A
Authority: CN
Inventors: 周维峰; 林凯; 胡广召
Original assignee: Zhejiang Aoelec Electrical Co Ltd
Current assignee: Zhejiang Aoelec Electrical Co Ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-04-09
Also published as: WO2022135036A1

Abstract

The invention relates to a circuit breaker, in particular to a power taking mechanism of a test device in the circuit breaker. The invention adopts the following technical scheme: the utility model provides a test device of circuit breaker gets electric mechanism which characterized in that: the power taking mechanism comprises a push rod, a first extension arm, a second extension arm, a moving contact mounting seat, a moving contact mounting seat, a gap, a moving contact mounting seat and a spring.

Description

Electricity taking mechanism of test device of circuit breaker

Technical Field

The invention relates to a circuit breaker, in particular to a power taking mechanism of a test device in the circuit breaker.

Background

The incoming line end and the outgoing line end are generally marked on a product of the residual current circuit breaker, the incoming line and the incoming line can be possibly generated in the process of using and wiring by a user, great trouble is caused to the user, the electricity getting of a part of product test loop or circuit board is linked with a handle, the circuit board and the test loop are electrified when the handle of the product is in an open position, the circuit board and the test loop are not electrified when the handle of the product is in the open position, but when the handle is locked or clamped by other objects to cause the handle not to be in the open position when the user uses the product, the circuit board is burnt down due to the electrification of the circuit board, the electricity getting spring of another product is not firmly positioned, the failure phenomenon exists, and quality.

Disclosure of Invention

The invention overcomes the problems in the prior art, and provides a novel test device electricity taking mechanism which can not take electricity after the breaker is opened regardless of how to wire.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a test device of circuit breaker gets electric mechanism which characterized in that: including setting up the fixture block on the base, form the spout between the fixture block, be provided with the push rod in the spout, the push rod is arranged in between the release yoke of circuit breaker handle and circuit breaker, sets up the round pin axle on the base, and the epaxial cover of round pin is equipped with the torsional spring, and the first extension arm of torsional spring is contradicted and is set up on the first end of push rod, and the second end of push rod corresponds the setting with the moving contact mount pad of circuit breaker, and the moving contact mount pad rotates and can drive the push rod and remove, the side is provided with the breach on the release yoke of circuit breaker, and the first extension arm of torsional spring is located breach department, and the moving contact mount pad promotes the push rod behind the circuit breaker separating brake and removes the compression torsional spring and makes the first extension arm of torsional spring separate with the yoke, and moving contact mount pad release push rod after the circuit breaker.

Through adopting above-mentioned scheme, the electricity of torsional spring is realized from the yoke of release, push rod and moving contact mount pad cooperation realize removing in addition, the push rod promotes the first extension arm of torsional spring activity in the breach of yoke and realizes contacting with the yoke or separate, above-mentioned mode is got the electricity and can be separated with the yoke at first extension arm of moving contact disconnection back, can not contact, just can not have the electricity when test button presses like this, the circuit breaker has been protected, no matter how the wiring of circuit breaker, after the circuit breaker disconnection, the circuit board does not have the electricity all the time, the circuit board life-span has been improved.

The invention further provides that: the first end and the second end of push rod all upwards the perk setting, are provided with the draw-in groove on the tip of the first end of push rod, and in the draw-in groove was arranged in to the first extension arm of torsional spring, the inboard of first end was provided with the protection shield downwards, the breach of yoke is the U-shaped breach, and the protection shield corresponds with the medial surface of U-shaped breach, the top of second end sets to the cambered surface.

Through adopting above-mentioned scheme, the first extension arm accident of preventing that can be fine takes place to contact with the yoke, further protects the product, and the cambered surface is set to the second end in addition, and the direction of force is unanimous basically like this, and fine assurance push rod slides.

The invention further provides that: the base is provided with five groups of fixture blocks, the first group of fixture blocks is arranged in front of the first end of the push rod, the second group of fixture blocks is arranged above the second end of the push rod, the third group of fixture blocks and the fourth group of fixture blocks are arranged above the middle position of the push rod, the fifth group of fixture blocks is arranged below the middle part of the push rod, and the upper side of the magnetic yoke is arranged close to the lower part of the push rod; the fixture block group is characterized by further comprising a support arranged on the base, wherein a sixth group of fixture blocks are arranged on the support and are located above the first end of the push rod.

Through adopting above-mentioned scheme, its purpose is spacing to the push rod better, also is firm for the push rod operation like this, can not take place the dislocation and remove or block dead scheduling problem, further guarantees the security of product.

The present invention will be further described with reference to the following examples.

Drawings

FIG. 1 is a diagram illustrating a structure of a push rod and a base in cooperation with each other when a circuit breaker is disconnected according to an embodiment of the present invention;

fig. 2 is a structural diagram of the matching of the push rod and the bracket when the circuit breaker is disconnected according to the embodiment of the invention;

fig. 3 is a three-dimensional structure diagram of the breaker according to the embodiment of the invention when the breaker is opened;

fig. 4 is a front view structural diagram of the breaker in the closing process according to the embodiment of the invention;

fig. 5 is a rear view structural diagram of the breaker in the closing process according to the embodiment of the invention;

FIG. 6 is a block diagram of a circuit breaker base according to an embodiment of the present invention;

FIG. 7 is a perspective view of a putter in accordance with an embodiment of the present invention;

fig. 8 is a structural diagram of a movable contact mounting base according to an embodiment of the invention;

FIG. 9 is a block diagram of a bracket according to an embodiment of the invention;

fig. 10 is a structural view of a yoke according to an embodiment of the present invention.

Detailed Description

As shown in fig. 1-10, a power-taking mechanism for a testing device of a circuit breaker comprises clamping blocks disposed on a base 1, a sliding groove 3 is formed between the clamping blocks, a push rod 4 is disposed in the sliding groove 3, the push rod 4 is disposed between a handle of the circuit breaker and a magnetic yoke 6 of a trip unit of the circuit breaker, a pin 11 is disposed on the base 1, a torsion spring 5 is sleeved on the pin 11, a first extension arm 51 of the torsion spring 5 is disposed on a first end 41 of the push rod 4 in an abutting manner, a second end 42 of the push rod 4 is disposed corresponding to a movable contact mounting seat 7 of the circuit breaker, the movable contact mounting seat 7 rotates to drive the push rod 4 to move, a notch 61 is disposed on an upper side edge of the magnetic yoke 6 of the trip unit of the circuit breaker, the first extension arm 51 of the torsion spring 5 is located at the notch 61, the movable contact mounting seat 7 pushes the push rod 4 to, after the circuit breaker is closed, the moving contact mounting seat 7 releases the push rod 4, and the push rod 4 moves under the elasticity of the torsion spring 5, so that the first extension arm 51 of the torsion spring 5 is in contact with the inner wall of the gap 61 of the magnetic yoke 6. Through adopting above-mentioned scheme, torsional spring 5's the electricity of getting is realized from yoke 6 of release, push rod 4 realizes removing with the cooperation of moving contact mount pad 7 in addition, push rod 4 promotes the first extension arm 51 of torsional spring 5 and moves about in the breach of yoke 6 and realize contacting with yoke 6 or separation, above-mentioned mode is got the electricity and can be separated with yoke 6 at first extension arm 51 after the moving contact disconnection, can not contact, just can not have the electricity when test button presses like this, the circuit breaker has been protected, no matter how the circuit breaker wiring, after the circuit breaker disconnection, the circuit board does not have the electricity all the time, the circuit board life-span has been improved.

In the embodiment of the present invention, the first end 41 and the second end 42 of the push rod 4 are both tilted upward, a locking slot 411 is disposed on an end portion of the first end 41 of the push rod, the first extension arm 51 of the torsion spring 5 is disposed in the locking slot 411, a protection plate 412 is disposed downward inside the first end 41, the notch 61 of the magnetic yoke 6 is a U-shaped notch 61, the protection plate 412 corresponds to an inner side surface of the U-shaped notch 61, and a top portion of the second end 42 is disposed in an arc surface. Through adopting above-mentioned scheme, the first extension arm 51 accident of preventing that can be fine takes place to contact with yoke 6, further protects the product, and second end 42 sets to the cambered surface in addition, and the atress direction is unanimous basically like this, and fine assurance push rod 4 slides.

In the embodiment of the present invention, five sets of fixture blocks are arranged on the base 1, the first set of fixture block 21 is arranged in front of the first end 41 of the push rod 4, the second set of fixture block 22 is arranged above the second end 42 of the push rod 4, the third set and the fourth set of fixture blocks 23 and 24 are arranged above the middle position of the push rod 4, the fifth set of fixture block 25 is arranged below the middle of the push rod 4, and the upper side of the magnetic yoke 6 is arranged close to the lower side of the push rod 4; the push rod device further comprises a support 8 arranged on the base 1, a sixth group of fixture blocks 26 are arranged on the support 8, and the sixth group of fixture blocks 26 are located above the first end 41 of the push rod 4. Through adopting above-mentioned scheme, its purpose is better to carry on spacingly to push rod 4, also for push rod 4 operation is firm like this, can not take place the dislocation and remove or block dead scheduling problem, further guarantees the security and the reliability of product.

Claims

1. The utility model provides a test device of circuit breaker gets electric mechanism which characterized in that: including setting up the fixture block on the base, form the spout between the fixture block, be provided with the push rod in the spout, the push rod is arranged in between the release yoke of circuit breaker handle and circuit breaker, sets up the round pin axle on the base, and the epaxial cover of round pin is equipped with the torsional spring, and the first extension arm of torsional spring is contradicted and is set up on the first end of push rod, and the second end of push rod corresponds the setting with the moving contact mount pad of circuit breaker, and the moving contact mount pad rotates and can drive the push rod and remove, the side is provided with the breach on the release yoke of circuit breaker, and the first extension arm of torsional spring is located breach department, and the moving contact mount pad promotes the push rod behind the circuit breaker separating brake and removes the compression torsional spring and makes the first extension arm of torsional spring separate with the yoke, and moving contact mount pad release push rod after the circuit breaker.

2. The circuit breaker testing device electricity taking mechanism as claimed in claim 1, wherein: the first end and the second end of push rod all upwards the perk setting, are provided with the draw-in groove on the tip of the first end of push rod, and in the draw-in groove was arranged in to the first extension arm of torsional spring, the inboard of first end was provided with the protection shield downwards, the breach of yoke is the U-shaped breach, and the protection shield corresponds with the medial surface of U-shaped breach, the top of second end sets to the cambered surface.

3. The test device electricity taking mechanism of the circuit breaker according to claim 1 or 2, characterized in that: the fixture block sets up five groups on the base, and first group fixture block setting is in the place ahead of the first end of push rod, and the fixture block setting of second group is in the top of push rod second end, and third group and fourth group fixture block setting are in the middle part position top of push rod, and the fixture block setting of fifth group is in the below in the middle part of push rod, the side is pressed close to the push rod below setting on the yoke.

4. The circuit breaker testing device electricity taking mechanism as claimed in claim 3, wherein: the fixture block group is characterized by further comprising a support arranged on the base, wherein a sixth group of fixture blocks are arranged on the support and are located above the first end of the push rod.