CN107633981A - A kind of breaker contact system - Google Patents

A kind of breaker contact system Download PDF

Info

Publication number
CN107633981A
CN107633981A CN201711084826.0A CN201711084826A CN107633981A CN 107633981 A CN107633981 A CN 107633981A CN 201711084826 A CN201711084826 A CN 201711084826A CN 107633981 A CN107633981 A CN 107633981A
Authority
CN
China
Prior art keywords
contact
boss
breaker
arm
square
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711084826.0A
Other languages
Chinese (zh)
Other versions
CN107633981B (en
Inventor
白春光
冯仰怀
王敏
李炎
王月民
王云飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XUZHOU XINDIAN HI-TECH ELECTRIC Co Ltd
Original Assignee
XUZHOU XINDIAN HI-TECH ELECTRIC Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XUZHOU XINDIAN HI-TECH ELECTRIC Co Ltd filed Critical XUZHOU XINDIAN HI-TECH ELECTRIC Co Ltd
Priority to CN201711084826.0A priority Critical patent/CN107633981B/en
Publication of CN107633981A publication Critical patent/CN107633981A/en
Application granted granted Critical
Publication of CN107633981B publication Critical patent/CN107633981B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a kind of breaker contact system.Including forming current-carrying circuit by the square contact of stationary contact arm (1 1) located at stationary contact arm (1) one end and the square contact of annular groove (5 1) located at acting arm (5) one end with contacting board mount (7) and contact plate (2) and cut-offfing system.The present invention can improve breaker electric conductor contact face more than five times, the probability for effectively reduce contact heating, breaking down;The current-carrying capacity of contact of breaker can be greatly improved simultaneously, make the operation of breaker, switch more safe and reliable;Contact plate and contact electric conductor formed it is smooth contacted into face, contact resistance is stable, has a self-cleaning, and the spring of contact is very slight during connection, short circuit current by when contact it is also very stable;Structure is relatively easy, and manufacture difficulty is small, reduces production cost to greatest extent, because of greatly improving for contact area, significantly reduces the circuit breaker failure occurred by contact reason and the probability because of the excessively pyrogenetic fire incident of contact.

Description

A kind of breaker contact system
Technical field
The present invention relates to a kind of breaker contact system, belongs to High-low voltage switch cabinet technical field.
Background technology
Breaker is that one kind being capable of manually opened or closing alive circuit and automatic disconnection overload circuit or short circuit current Electric, electric network protection device, and breaker contact system is the most key core component of breaker.
Quincunx contact system is most widely used that on senior middle school's voltage breaker of the prior art, it is by around leading Two seamed edges of the inner circle of one group of fingertip of electric body circumference parallel arrangement form linear contact lay with circular conductive body.This structure is present not Rational place, because being that point or linear contact lay, contact surface are too small, current-carrying capacity is caused to be restricted, and also occur that contact Arcing is excessive, generates heat etc., or even the phenomenon of fire therefore occurs, and certain potential safety hazard be present, can also reduce operation of power networks matter Amount and operating cost.
To solve the problems, such as this respect, simplified design structure, it can use and contact the original plum of board-like contact system substitution Flower-shape structure of contact terminal, and improve mechanism design.
The content of the invention
In view of the above-mentioned problems of the prior art, the present invention provides a kind of breaker contact system, simplify structure design, Substitute quincunx structure of contact terminal of the prior art using board-like contact system is contacted, by breaker electric conductor contact face More than five times are improved, the probability for effectively reduce contact heating, breaking down;The current-carrying of contact of breaker can be greatly improved simultaneously Amount, manufacturing cost is reduced, make the operation of breaker, folding more safe and reliable.
To achieve these goals, this breaker contact system is included by the square contact of stationary contact arm located at stationary contact arm one end Form current-carrying circuit with contacting board mount and contact plate with the square contact of annular groove located at acting arm one end and cut-off system;
The contact plate is provided with four pieces, is strip structure, four pieces of contact plates are sequentially arranged in touch panel neck, every piece Contact plate top surface and two sides are plane, and top surface is provided with compression spring hole, and bottom surface is provided with and is in the conplane He of boss contact surface one Boss contact surface two;
Rivet clasp is provided with support pin on the contact board mount, and is provided with connecting hole, rack beam and contact plate neck;
The contact plate is installed in the contact plate neck on four end faces of the contact board mount, described acting arm one end The square contact of annular groove on be set with the contact board mount;
The boss contact surface two of the contact plate is catered in the annular groove of the square contact of the annular groove in the acting arm, institute State and two groups of stage clips are provided with the compression spring hole on contact plate, close to the side underrun one of boss contact surface one on the contact plate Group stage clip contacts with the rack beam contacted on board mount;Boss contact surface two on the contact plate passes through another group of pressure The plane contact of spring and the square contact of annular groove;
The boss contact surface one on four pieces of contact plates forms the hole in closing in shape, the stationary contact arm one between each other The square contact of stationary contact arm at end is inserted in the cavity that the boss contact surface one is formed between each other.
Further, the bottom surface of the boss contact surface one and boss contact surface two is provided with several bar-shaped troughs.
Further, the both ends of boss contact surface one and boss contact surface two are provided with fillet.
Further, the both ends of the surface in the acting arm on the inside of the groove in four faces of the square contact of annular groove are provided with circle Angle.
Further, the square contact of stationary contact arm located at stationary contact arm one end is provided with and facilitated insertion on the contact plate Contraction square toes in the cavity that boss contact surface one is formed between each other.
Further, it is set with compression spring cover outside the stage clip.
Compared with prior art, beneficial effects of the present invention are as follows:
1st, more than five times of breaker electric conductor contact face raising, effectively reduction contact are generated heat, event occur by the present invention The probability of barrier;The current-carrying capacity of contact of breaker can be greatly improved simultaneously, make the operation of breaker, switch more safe and reliable;
2nd, in the present invention contact plate and contact electric conductor formed it is smooth contacted into face, contact resistance is stable, has from clearly Effect, the spring of contact is very slight during connection, short circuit current by when contact it is also very stable;
3rd, contact area in breaker contact system provided by the invention greatly improves, and significantly reduces because of contact The circuit breaker failure and the probability because of the excessively pyrogenetic fire incident of contact that reason occurs, guarantee power network and equipment for power transmission and distribution Safe operation, at the same it is simple in construction, manufacture difficulty is significantly reduced, production cost can be reduced to greatest extent.
Brief description of the drawings
The right side that Fig. 1 is the present invention regards stereoscopic schematic diagram;
Fig. 2 is the left view stereoscopic schematic diagram of the present invention;
The right side that Fig. 3 is the present invention regards schematic diagram;
Fig. 4 is the schematic perspective view that the present invention removes compression spring cover;
Fig. 5 is the forward sight diagrammatic cross-section of the present invention;
Fig. 6 is the square contact position left-hand diagrammatic cross-section of quiet arm of the present invention;
Fig. 7 is the acting arm contact plate position left-hand diagrammatic cross-section of the present invention;
Fig. 8 is connecting bolt position left-hand diagrammatic cross-section of the present invention;
In figure:1st, stationary contact arm, 1-1, the square contact of stationary contact arm, 1-2, square toes are shunk, 2, contact plate, 2-1, compression spring hole, 2- 2nd, bar-shaped trough, 2-3, boss contact surface one, 2-4, boss contact surface two, 3, stage clip, 4, compression spring cover, 5, acting arm, 5-1, annular groove Square contact, 6, connecting bolt, 7, contact board mount, 7-1, support pin, 7-2, connecting hole, 7-3, rack beam, 7-4, connect Touch panel neck.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
As shown in Figures 1 to 8, this breaker contact system is included by the square contact of stationary contact arm located at the one end of stationary contact arm 1 The 1-1 and square contact 5-1 of annular groove located at the one end of acting arm 5 forms current-carrying circuit and cut-off and be with contacting board mount 7 and contact plate 2 System;
The contact plate 2 is provided with four pieces, is strip structure, four pieces of contact plates 2 are sequentially arranged at contact plate neck 7-4 In, every piece of top surface of contact plate 2 and two sides are plane, and top surface is provided with compression spring hole 2-1, and bottom surface is provided with and is in conplane boss The 2-3 of the contact surface one and 2-4 of boss contact surface two;
Rivet clasp is provided with support pin 7-1 on the contact board mount 7, and provided with connecting hole 7-2, rack beam 7-3 and Contact plate neck 7-4;
The contact plate 2 is installed in the contact plate neck 7-4 on 7 four end faces of the contact board mount, described dynamic tactile The contact board mount 7 is set with the square contact 5-1 of annular groove of the one end of arm 5;
When breaking:The square contact of annular groove that the 2-4 of boss contact surface two of the contact plate 2 is catered in the acting arm 5 In 5-1 annular groove, two groups of stage clips 3 are provided with the compression spring hole 2-1 on the contact plate 2, are connect on the contact plate 2 close to boss The 2-3 of contacting surface one one group of stage clip 3 of side underrun contacts with the rack beam 7-3 contacted on board mount 7;The contact The plane contact that the 2-4 of boss contact surface two on plate 2 passes through another group of stage clip 3 and the square contact 5-1 of annular groove;Pass through stage clip 3 The 2-4 of boss contact surface two set on contact plate 2 is pressed together on the square contact 5-1 of annular groove contact plane by active force.
During path:The 2-3 of boss contact surface one on four pieces of contact plates 2 forms the hole in closing in shape between each other, The square contact 1-1 of stationary contact arm of described one end of stationary contact arm 1 inserts the cavity that the 2-3 of boss contact surface one is formed between each other In.
Further, the bottom surface of the 2-3 of boss contact surface one and boss contact surface two 2-4 is provided with several bar-shaped troughs 2-2.Bar-shaped trough 2-2 be used for play a part of contact from it is clear, it is anti-sintering, ventilation and heat.
Specifically, 1, from clear:Due to the extruding of stage clip 3, and the moderate exercise of contact plate 2, contact plate 2 and contact produce Powder, can be in time expressed in bar-shaped trough 2-2 and is haveed the function that from clear;2nd, anti-sintering:Due to being uniformly arranged bar-shaped trough 2- 2, timely ventilation and heat, reduce the risk that contact overheats;3rd, bar-shaped trough 2-2 is uniformly arranged, scattered current path, avoids local connect The excessive adhesive effect of contacting surface, the probability of thermal sintering can be reduced.
Further, the 2-3 of boss contact surface one and the 2-4 of boss contact surface two both ends are provided with fillet.It is easy to boss to connect The 2-3 of contacting surface one inserts with the square contact 1-1 of stationary contact arm, and is easy to the 2-4 of boss contact surface two to be fitted in the square contact 5-1 of annular groove Degree activity.
Further, the both ends of the surface in the acting arm 5 on the inside of the groove in the square contact 5-1 of annular groove four faces are provided with Fillet.It is easy to the square contact 5-1 of annular groove with the 2-4 of boss contact surface two to coordinate to contact.
Further, the square contact 1-1 of stationary contact arm located at the one end of stationary contact arm 1 is provided with and facilitates insertion into the contact plate Contraction square toes 1-2 in the cavity that the 2-3 of boss contact surface one on 2 is formed between each other.
Further, it is set with compression spring cover 4 outside the stage clip 3.For playing a part of the fixed stage clip 3.
The operation principle of this breaker contact system is as follows:
Breaker path process:Breaker operating mechanism drives the square contact 5-1 of annular groove that is connected with acting arm 5 to stationary contact Arm square contact 1-1 movements, make the 2-3 of boss contact surface one that the square contact 1-1 of stationary contact arm inserted on four contact plates 2 mutually it Between the hole that is formed, now on contact plate 2 close to the 2-3 of boss contact surface one side bottom surface with contacting the support on board mount 7 Crossbeam 7-3 leaves, and due to the active force of stage clip 3, the 2-3 of boss contact surface one is tightly pressed together on the square contact 1-1's of stationary contact arm On four flat contact surfaces, while the 2-4 of boss contact surface two is pressed together on the square contact 5-1 of annular groove flat contact surface, so as to Current path is formed, breaker is in an ON state.
Breaker open circuit process:With breaker path process on the contrary, either circuit or electrical equipment are different because of operation needs Often, breaker is obtained cut-offfing signal, and the square contact 5-1 bands of annular groove being connected with acting arm 5 are driven by breaker operating mechanism Dynamic contact plate 2 departs from the square contact 1-1 of stationary contact arm, realizes that breaker disconnects.
In summary, the present invention provides a kind of breaker contact system, can carry breaker electric conductor contact face Probability that is high more than five times, effectively reduce contact heating, breaking down;The current-carrying of contact of breaker can be greatly improved simultaneously Amount, make the operation of breaker, switch more safe and reliable;Contact plate and contact electric conductor formed it is smooth contacted into face, contact Resistance stabilization, has a self-cleaning, and the spring of contact is very slight during connection, short circuit current by when contact it is also very stable;This is disconnected Road device contact system, simple in construction, manufacture difficulty is small, can reduce production cost to greatest extent, because of contact area significantly Improve, significantly reduce the circuit breaker failure occurred by contact reason and the probability because of the excessively pyrogenetic fire incident of contact, protect Hinder the safe operation of power network and equipment for power transmission and distribution.
Described above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications It should be regarded as protection scope of the present invention.

Claims (6)

  1. A kind of 1. breaker contact system, it is characterised in that
    Including square by the square contact of stationary contact arm (1-1) located at stationary contact arm (1) one end and the annular groove located at acting arm (5) one end Contact (5-1) forms current-carrying circuit and cut-offs system with contacting board mount (7) and contact plate (2);
    The contact plate (2) is provided with four pieces, is strip structure, and every piece of contact plate (2) top surface and two sides are plane, top surface Provided with compression spring hole (2-1), bottom surface is provided with and is in conplane boss contact surface one (2-3) and boss contact surface two (2-4);
    Rivet clasp is provided with support pin (7-1) on the contact board mount (7), and provided with connecting hole (7-2), rack beam (7- And contact plate neck (7-4) 3);
    Four pieces of contact plates (2) are installed on the contact plate neck (7-4) on (7) four end faces of the contact board mount successively In, the contact board mount (7) is set with the square contact of annular groove (5-1) of described acting arm (5) one end;
    The square contact of annular groove (5-1) that the boss contact surface two (2-4) of the contact plate (2) is catered in the acting arm (5) Annular groove in, be provided with two groups of stage clips (3) in compression spring hole (2-1) on the contact plate (2), it is close on the contact plate (2) One group of stage clip (3) of side underrun and the rack beam (7- contacted on board mount (7) of boss contact surface one (2-3) 3) contact;Boss contact surface two (2-4) on the contact plate (2) passes through another group of stage clip (3) and the square contact of annular groove (5-1) Plane contact;
    The boss contact surface one (2-3) on four pieces of contact plates (2) forms the hole in closing in shape, the stationary contact between each other The square contact of stationary contact arm (1-1) of arm (1) one end is inserted in the cavity that the boss contact surface one (2-3) is formed between each other.
  2. A kind of 2. breaker contact system according to claim 1, it is characterised in that
    The bottom surface of the boss contact surface one (2-3) and boss contact surface two (2-4) is provided with several bar-shaped troughs (2-2).
  3. A kind of 3. breaker contact system according to claim 1 or 2, it is characterised in that
    The both ends of boss contact surface one (2-3) and boss contact surface two (2-4) are provided with fillet.
  4. A kind of 4. breaker contact system according to claim 1, it is characterised in that
    Both ends of the surface on the acting arm (5) on the inside of the groove in four faces of the square contact of annular groove (5-1) are provided with fillet.
  5. A kind of 5. breaker contact system according to claim 1, it is characterised in that
    The square contact of stationary contact arm (1-1) located at stationary contact arm (1) one end is provided with and facilitated insertion on the contact plate (2) Contraction square toes (1-2) in the cavity that boss contact surface one (2-3) is formed between each other.
  6. A kind of 6. breaker contact system according to claim 1, it is characterised in that
    Compression spring cover (4) is set with outside the stage clip (3).
CN201711084826.0A 2017-11-07 2017-11-07 A kind of breaker contact system Active CN107633981B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711084826.0A CN107633981B (en) 2017-11-07 2017-11-07 A kind of breaker contact system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711084826.0A CN107633981B (en) 2017-11-07 2017-11-07 A kind of breaker contact system

Publications (2)

Publication Number Publication Date
CN107633981A true CN107633981A (en) 2018-01-26
CN107633981B CN107633981B (en) 2019-09-13

Family

ID=61108254

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711084826.0A Active CN107633981B (en) 2017-11-07 2017-11-07 A kind of breaker contact system

Country Status (1)

Country Link
CN (1) CN107633981B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108281328A (en) * 2018-03-28 2018-07-13 苏州希美微纳系统有限公司 A kind of RF MEMS Switches of high-performance high power capacity

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62291817A (en) * 1986-06-10 1987-12-18 Mitsubishi Electric Corp Contact
JPH07298462A (en) * 1994-04-26 1995-11-10 Mitsubishi Electric Corp Conductive connector
EP0820079A2 (en) * 1996-07-19 1998-01-21 ABB SACE S.p.A. Circuit breaker with detachable contacts
CN101661848A (en) * 2009-10-09 2010-03-03 闫淼江 Contact assembly of isolating switch
CN204178937U (en) * 2014-12-01 2015-02-25 哈尔滨理工大学 A kind ofly prevent overheated electro-pneumatic contact
CN204464151U (en) * 2015-04-21 2015-07-08 三峡大学 A kind of isolation switch contact
CN105225879A (en) * 2015-04-29 2016-01-06 苏州西脉记忆合金有限公司 A kind of isolating switch intelligence contact
CN207542176U (en) * 2017-11-07 2018-06-26 徐州新电高科电气有限公司 Breaker contact system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62291817A (en) * 1986-06-10 1987-12-18 Mitsubishi Electric Corp Contact
JPH07298462A (en) * 1994-04-26 1995-11-10 Mitsubishi Electric Corp Conductive connector
EP0820079A2 (en) * 1996-07-19 1998-01-21 ABB SACE S.p.A. Circuit breaker with detachable contacts
CN101661848A (en) * 2009-10-09 2010-03-03 闫淼江 Contact assembly of isolating switch
CN204178937U (en) * 2014-12-01 2015-02-25 哈尔滨理工大学 A kind ofly prevent overheated electro-pneumatic contact
CN204464151U (en) * 2015-04-21 2015-07-08 三峡大学 A kind of isolation switch contact
CN105225879A (en) * 2015-04-29 2016-01-06 苏州西脉记忆合金有限公司 A kind of isolating switch intelligence contact
CN207542176U (en) * 2017-11-07 2018-06-26 徐州新电高科电气有限公司 Breaker contact system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108281328A (en) * 2018-03-28 2018-07-13 苏州希美微纳系统有限公司 A kind of RF MEMS Switches of high-performance high power capacity

Also Published As

Publication number Publication date
CN107633981B (en) 2019-09-13

Similar Documents

Publication Publication Date Title
CN206116758U (en) Prevent electric spark safety socket
CN207542176U (en) Breaker contact system
CN102496808A (en) Electric shock preventing safety socket
CN103337415A (en) Relay contact system
CN107633981A (en) A kind of breaker contact system
CN203180137U (en) Electric conduction device
CN203850481U (en) Contact element of double-breakpoint three-dimensional layout structure and high-voltage electrical connector comprising same
JP2015529000A5 (en)
CN103000465B (en) Contact system of novel high-capacity medium-voltage direct current breaker
CN104347306B (en) Static contact isolation switch
CN102315047B (en) Flashover preventing device for circuit breaker
CN207425695U (en) Earthing switch and its contact assembly and contact
CN102496505A (en) Arc preventive switch and direct-current power supply equipment with same
CN206849712U (en) A kind of high-voltage electrical apparatus switch
CN109787209A (en) A kind of surge protector
CN205452090U (en) Arc control device of double break point contact
CN205564579U (en) Double break point change over switch's interphase insulation device
CN110729606A (en) Safety power socket and operation method thereof
CN201498421U (en) High-voltage isolating switch
CN205177756U (en) Effectual circuit breaker of arc extinguishing
CN112216533B (en) Contact protection mechanism based on arc shielding structure
CN209895929U (en) Conductive structure with automatic adjustment function
CN201887000U (en) Drop-out fuse
CN207443116U (en) A kind of multi-channel audio device of anti-short circuit
CN207719441U (en) A kind of anti-arcing hot plug connector

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant