CN209515577U

CN209515577U - Dual-interruption point breaker structure

Info

Publication number: CN209515577U
Application number: CN201821693457.5U
Authority: CN
Inventors: 黄中溢; 张又仁
Original assignee: Shihlin Electric and Engineering Corp
Current assignee: Shihlin Electric and Engineering Corp
Priority date: 2018-10-18
Filing date: 2018-10-18
Publication date: 2019-10-18
Anticipated expiration: 2028-10-18

Abstract

The utility model provides a kind of dual-interruption point breaker structure, it include a pedestal and a upper cover, the upper cover is attached on the pedestal, leader is hubbed on the pedestal, has circuit element, a mechanism part, a left contact shoe, a right contact shoe and an extinguishing arc chamber component after a front loop component, one in the pedestal；The front loop component includes a front terminal and a coil block, the rear circuit element includes a rear terminal and the dynamic component of a heat, the mechanism part include an interlocking lever, a fixing seat, a left side can mover, a right side can mover, a supporting axis and two tension springs, the left contact shoe is set on the coil block, the right contact shoe is set in the pedestal, which includes a demarcation plate, two arc ignition room, two explosion chambers and two strong magnets.

Description

Dual-interruption point breaker structure

Technical field

The utility model relates to a kind of breaker, espespecially a kind of dual-interruption point breaker structure.

Background technique

General miniature circuit breaker can be used in the master switch used on wiring and divide current-controlled switch, is a kind of protection The critical elements of electric appliance primarily as short-circuit protection and prevent from seriously overloading, the motor load route on industrial machine Protection, which can also specify, uses breaker as one of protective device, asks when breaker detects short circuit, electric leakage or serious overload etc. When topic, breaker can come protection circuit and electric appliance by escape immediately.

As shown in Figure 1, breaker includes that a pedestal 10, leader 12, a mechanism part 70, a contact shoe 80 and one disappear Arc chamber 90, handle 12 are hubbed on pedestal 10, and mechanism part 70, contact shoe 80 and explosion chamber 90 are all located in pedestal 10；Machine Structure component 70 include a support seat 71, one can mover 72 and a tension spring 73, support seat 71 with can mover 72 combined rear enclosure to be set to On one supporting axis, 73 one end of tension spring is fixed on can be on mover 72, and the other end is fixed on the axis being located on pedestal 10；Contact shoe 80 With a contact 81, contact 81 with can 72 end of mover be correspondingly arranged, make can mover 72 can mutually be abutted with contact 81, formation It electrically conducts.

But the component in current breaker such as can mover, contact shoe and explosion chamber, generally use single design, such as apply In DC high voltage system, current limiting capacity can be reduced, and voltage capacity is smaller, be unable to satisfy system requirements.

In view of the above reason, the utility model designer is actively studying, and is subject to be engaged in Related product research and development for many years Experience, and constantly tested and improved, the utility model is developed finally.

Utility model content

The main purpose of the utility model is to provide a kind of dual-interruption point breaker structures, are suitably applied in such as photovoltaic, wind Power etc. needs that current limiting capacity and system voltage can be improved in the new energy electric power industry of DC high voltage system.

To reach above-mentioned purpose, the utility model provides a kind of dual-interruption point breaker structure, it is characterized in that including:

One pedestal, a upper cover is attached on the pedestal and leader is hubbed on the pedestal；

One front loop component, is installed in the pedestal, includes a front terminal and a coil block, the coil block with Front terminal connection；

Circuit element after one is installed in the pedestal, includes a rear terminal and a dynamic component of heat, the heat move component and Rear terminal connection；

One mechanism part is installed in the pedestal, include an interlocking lever, a fixing seat, a left side can mover, a right side can Mover, a supporting axis and two tension springs, the fixing seat and the interlocking lever are pivotally connected, can mover and right movable with the left side below the fixing seat Son pivot joint, which is set on the pedestal, the two tension springs one end be individually fixed in the left side can mover and the right side can on mover, The other end is all fixed on the supporting axis；

One left contact shoe, is set on the coil block, which is equipped with a contact, and the contact and the left side can movers End is correspondingly arranged, enable the left side can mover mutually abutted with the contact and formed and electrically conducted；

One right contact shoe, is set in the pedestal, which is equipped with a contact, and the contact and the right side can mover ends Be correspondingly arranged, enable the right side can mover mutually abutted with the contact and formed and electrically conducted；And

One extinguishing arc component, is installed in the pedestal, includes a demarcation plate, two arc ignition room, two explosion chambers and two strengths Magnet, two arc ignition room are respectively arranged at the demarcation plate both sides, and be located at the left side can between mover and the left contact shoe with And can be between mover and the right contact shoe positioned at the right side, which connect with two arc ignition room respectively, two strong magnets It is respectively arranged in two arc ignition room.

In conclusion the utility model dual-interruption point breaker structure, is suitably applied in such as photovoltaic, wind-force and needs direct current height In the new energy electric power industry of electrical voltage system, current limiting capacity and system voltage can be improved, and there is high reliability, height to break Property, it is highly-safe, at low cost and use the upper characteristics such as simple.

In order to further appreciate that the feature and technology contents of the utility model, please in detail refering to below in connection with the utility model Detailed description and accompanying drawings, however institute's accompanying drawings it is only for reference with illustrate to use, not be used to any restrictions are done to the utility model.

Detailed description of the invention

Fig. 1 is the plan view of the prior art.

Fig. 2 is the stereogram exploded view of the utility model dual-interruption point breaker structure.

Fig. 3 is the stereogram exploded view of the members of the utility model dual-interruption point breaker structure.

Fig. 4 is the plan view of the utility model dual-interruption point breaker structure.

Description of symbols: (the utility model) pedestal 10；Upper cover 11；Handle 12；Front loop component 20；Front terminal 21； Coil block 22；Circuit element 30 afterwards；Rear terminal 31；The dynamic component 32 of heat；Mechanism part 40；Interlocking lever 41；Fixing seat 42；Zuo Ke Mover 43；It the right side can mover 44；Supporting axis 45；Tension spring 46；Left contact shoe 50；Contact 51；Right contact shoe 52；Contact 53；Extinguishing arc group Part 60；Demarcation plate 61；Arc ignition room 62；Explosion chamber 63；Strong magnets 64；(prior art) mechanism part 70；Support seat 71；Movably Sub 72 tension springs 73；80 contact 81 of contact shoe；Explosion chamber 90.

Specific embodiment

Shown in please see Fig. 2 to Fig. 4, Fig. 2 is the stereogram exploded view of the utility model dual-interruption point breaker structure, and Fig. 3 is The stereogram exploded view of the members of the utility model dual-interruption point breaker structure, Fig. 4 are the utility model dual-interruption point breaker The plan view of structure.The utility model system includes a pedestal 10 and a upper cover 11, is somebody's turn to do about a kind of dual-interruption point breaker structure Upper cover 11 is attached on the pedestal 10, and leader 12 is hubbed on the pedestal 10, has a front loop component in the pedestal 10 20, circuit element 30, a mechanism part 40, a left contact shoe 50, a right contact shoe 52 and an extinguishing arc component 60 after one.

The front loop component 20 includes a front terminal 21 and a coil block 22, the coil block 22 and the front terminal 21 Connection, when instantaneous large-current occurs, which be can provide using load protection, to avoid people or equipment by Damage.

The rear circuit element 30 includes that a rear terminal 31 and the dynamic component 32 of a heat, the heat move component 32 and the rear terminal 31 Connection, when overcurrent occurs, which be can provide using load protection, be damaged to avoid people or equipment Wound.

The mechanism part 40 include an interlocking lever 41, a fixing seat 42, a left side can mover 43, a right side can mover 44, one Supporting axis 45 and two tension springs 46, the fixing seat 42 and the interlocking lever 41 are pivotally connected, 42 lower section of fixing seat and the left side can mover 43 and The right side can mover 44 be pivotally connected, which is set on the pedestal 10, which is individually fixed in the left side can mover 43 and the right side can be on mover 44, the other end is all fixed on the supporting axis 45.

The left contact shoe 50 is set on the coil block 22, which is equipped with a contact 51, the left contact shoe 50 contact 51 and the left side can 43 end of mover be to be correspondingly arranged, make the left side can mover 43 can mutually be abutted with the contact 51, shape It is connected at circuit；The right contact shoe 52 is set in the pedestal 10, which is equipped with a contact 53, the right contact shoe 52 Contact 53 and the right side can 44 end of mover be to be correspondingly arranged, make the right side can mover 44 can mutually be abutted with the contact 53, formation It electrically conducts.

The extinguishing arc component 60 includes a demarcation plate 61, two arc ignition room 62, two explosion chambers 63 and two strong magnets 64, this two Arc ignition room 62 is respectively arranged at 61 two sides of demarcation plate, and be located at the left side can between mover 43 and the left contact shoe 50 and Can be between mover 44 and the right contact shoe 52 positioned at the right side, which connect with two arc ignition room 62 respectively, the two powers Power magnet 64 is respectively arranged in two arc ignition room 62.

In the embodiments of the present invention, when there is load, electric current is from the front loop component 20 via the left contact shoe 50 Flow to the left side can mover 43 and the right side can mover 44, then the rear circuit element 30 is flow to via the right contact shoe 52, if breaking hair When raw, the left side can mover 43 and the right side can mover 44 can break simultaneously and higher-energy can be born；When switch is cut off, the double breaking points Electric arc can be generated in breaker structure, which guides electric arc into two explosion chamber 63, make Arc energy is offseted to reach protecting effect, which can increase magnetic field, which can provide good exhausted Edge is to avoid the extinguishing arc component 60 by arc through；The extinguishing arc component 60 uses the structure of double individual magnetic arc ignition room and explosion chamber Design can be dispersed and reduce arc energy and accelerate heat dissipation, to improve capacity of short circuit and electric operation number.

It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art Understand, without departing from the spirit and scope defined by the claims, can many modifications may be made, variation or it is equivalent, but It falls within the protection scope of the utility model.

Claims

1. a kind of dual-interruption point breaker structure, it is characterized in that including:

One front loop component, is installed in the pedestal, includes a front terminal and a coil block, the coil block and this before Terminal connection；

Circuit element after one is installed in the pedestal, includes a rear terminal and a dynamic component of heat, the heat move component with after this Terminal connection；

One mechanism part is installed in the pedestal, includes that an interlocking lever, a fixing seat, a left side can movers, one right movable Son, a supporting axis and two tension springs, the fixing seat and the interlocking lever are pivotally connected, below the fixing seat with the left side can mover and the right side can mover Pivot joint, which is set on the pedestal, the two tension springs one end be individually fixed in the left side can mover and the right side can be on mover, separately One end is all fixed on the supporting axis；

One left contact shoe, is set on the coil block, which is equipped with a contact, and the contact and the left side can mover ends Be correspondingly arranged, enable the left side can mover mutually abutted with the contact and formed and electrically conducted；

One right contact shoe, is set in the pedestal, which is equipped with a contact, the contact and the right side can mover end it is corresponding Setting, enable the right side can mover mutually abutted with the contact and formed and electrically conducted；And

One extinguishing arc component, is installed in the pedestal, includes a demarcation plate, two arc ignition room, two explosion chambers and two strong magnets, Two arc ignition room is respectively arranged at the demarcation plate both sides, and is located at the left side and between mover and the left contact shoe and can be located at The right side can be between mover and the right contact shoe, which connect with two arc ignition room respectively, which sets respectively In in two arc ignition room.