CN107527773A - A kind of omnipotent breaker with powerful arc extinction performance - Google Patents
A kind of omnipotent breaker with powerful arc extinction performance Download PDFInfo
- Publication number
- CN107527773A CN107527773A CN201710727750.2A CN201710727750A CN107527773A CN 107527773 A CN107527773 A CN 107527773A CN 201710727750 A CN201710727750 A CN 201710727750A CN 107527773 A CN107527773 A CN 107527773A
- Authority
- CN
- China
- Prior art keywords
- breaker
- arc
- static contact
- armature
- contact
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/18—Means for extinguishing or suppressing arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/32—Insulating body insertable between contacts
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
A kind of omnipotent breaker with powerful arc extinction performance, composition includes being arranged on static contact, moving contact and insulation arc-extinguishing mechanism in Shell of circuit breaker, the insulation arc-extinguishing mechanism includes insulation shielding plate, armature, yoke, slide bar and stage clip, and the yoke is fixed on the side of circuit breaker static contact and less than static contact and the contact surface of moving contact；The insulation shielding plate and armature are located at the opposite side of static contact, and the gap that insulation shielding plate is fixed on armature and between the moving contact and static contact of breaker is corresponding；One end of the slide bar is fixedly connected with yoke, and the other end screws in screwed retaining ring after sequentially passing through stage clip and armature.The insulation shielding plate of the present invention can be rapidly inserted between moving contact and static contact in breaker disjunction short circuit current, make the arc extinction between dynamic and static contact, realize the short arcing of breaker or without arcing, the ability of breaker disjunction AC and DC short circuit current is substantially increased, expands the application of breaker.
Description
Technical field
The present invention relates to a kind of general omnipotent breaker of AC and DC with strong short circuit current breaking capacity, belong to tight
Anxious protection device technical field.
Background technology
Omnipotent breaker (ACB) is the industrial important electric elements with civilian low-voltage distribution apparatus, more as low pressure
The master switch of distribution system low-pressure side, the overload and short trouble of distribution line are protected.Wherein short trouble, which is protected, is
Its most important function, the short circuit current of circuit is very big during due to short trouble, it is dynamic in disjunction short circuit current for breaker,
The very big plasma arc of energy can be produced between static contact, is only broken by some technical measures quickly by arc extinction
Road device could complete the task of disjunction short circuit current.
At present, caused HTHP electric arc enters when domestic and international ACB uses arc-chutes technology to disjunction short circuit current
Row cooling and extinguishing, the arc quenching principle of this technology are：During disjunction short circuit current, treat to produce electric arc between dynamic and static contact and draw
After growing to the corresponding amplification of certain length, energy, arc-chutes are entered using magnetic field electro-dynamic force or other means driving high energy arc, made
Extinguish under the cooling effect of its metal grid in arc-chutes.The arc quenching effect of this method by such as arc-chutes material, touch
Head cut-offs the influence of the factors such as speed, clearance between open contacts, contact material, especially for the breaker of single-break structure, its disjunction
The ability of short circuit current is poor, is usually no more than exchange 400V, 50-80kA, if improving this performance parameter again, is manufactured into
This will be greatly improved.And direct-current short circuit electric current is less susceptible to disjunction due to no zero passage process.
With the raising that the construction and development and people of power network are required electric network reliability, a kind of new go out objectively is needed
Arc scheme, to greatly improve the ability of ACB disjunction AC and DC short circuit currents.
The content of the invention
It is an object of the invention to the drawback for prior art, there is provided a kind of universal with powerful arc extinction performance is broken
Road device, to improve the ability of omnipotent breaker disjunction short circuit current, expand its application.
Problem of the present invention is realized with following technical proposals：
A kind of omnipotent breaker with powerful arc extinction performance, composition include housing, static contact, moving contact, dropout
Mechanism and arc-chutes, after improvement, insulation arc-extinguishing mechanism is set up, the insulation arc-extinguishing mechanism includes insulation shielding plate, armature, magnetic
Yoke, slide bar and stage clip, the yoke are fixed on the side of circuit breaker static contact and less than static contacts and the contact surface of moving contact；Institute
State insulation shielding plate and armature be located at the opposite side of static contact, insulation shielding plate be fixed on armature and with the moving contact of breaker
Gap between static contact is corresponding；One end of the slide bar is fixedly connected with yoke, and the other end sequentially passes through stage clip and rank
Screwed retaining ring is screwed in after iron.
The above-mentioned omnipotent breaker with powerful arc extinction performance, the slide bar and stage clip are respectively provided with two, and they are symmetrical
It is arranged on the both sides of circuit breaker static contact.
The above-mentioned omnipotent breaker with powerful arc extinction performance, the insulation shielding plate are the dust pan shape put upside down, its
Gap between front end and the moving contact and static contact of breaker is corresponding, and postnotum, which is through on slide bar and fixed with armature, to be connected
Connect.
The above-mentioned omnipotent breaker with powerful arc extinction performance, is additionally provided with tripping mechanism, energy storage in Shell of circuit breaker
Mechanism, intelligent control module and magnetic flux electrical apparatus release.
The present invention is additionally arranged insulation shielding plate can be in breaker disjunction short circuit as auxiliary extinction of arc mechanism, auxiliary extinction of arc mechanism
The moment of electric current acts rapidly, inserted between moving contact and static contact, make between dynamic and static contact just caused arc extinction or
Person is reduced, and is thus shortened the amplification time of arc energy, is reduced gathering for arc energy, is realized the short of breaker and is flown
Arc or without arcing.This invention takes two-stage arc extinguishing, after the electric arc after initial auxiliary extinction of arc can be introduced into arc-chutes continuation
Continuous arc extinguishing operation, so as to substantially increase the arc extinguishing ability of breaker, also substantially increases breaker disjunction short circuit current
Ability.
Brief description of the drawings
Fig. 1 is the "on" position schematic diagram of the present invention；
Fig. 2 is the separating brake momentary status schematic diagram of the present invention；
Fig. 3 is the separating brake completion status schematic diagram of the present invention；
Fig. 4 is insulation arc-extinguishing mechanism schematic diagram；
Fig. 5 is intelligent control module and magnetic flux electrical apparatus release schematic diagram of movements；
Fig. 6 is the structural representation of insulation shielding plate；
Fig. 7 is Fig. 6 left view.
Each list of reference numerals is in figure：1st, static contact；2nd, moving contact；3rd, yoke；4th, insulation shielding plate；5th, armature；6th, stage clip；
7th, slide bar；8th, tripping mechanism；9th, stored energy mechanism；10th, intelligent control module and magnetic flux electrical apparatus release, CT, current transformer；A, sell
Axle.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
The present invention is to design one special insulation arc-extinguishing mechanism of increase in omnipotent breaker (ACB) stationary contact rostral,
The moment of circuit failure short circuit current, circuit breaker intelligent controller module sends instantaneous trip instruction and actuating mechanism is instantaneous
While action, the insulation shielding plate for the arc-extinguishing mechanism that insulate was rapidly inserted between dynamic and static lift one's head, and moment plays the work of efficient arc extinguishing
With.
Referring to Fig. 1~Fig. 7, static contact 1 that the present invention includes being arranged on Shell of circuit breaker, moving contact 2, tripping mechanism 8,
Stored energy mechanism 9, insulation arc-extinguishing mechanism, intelligent control module and magnetic flux electrical apparatus release 10, wherein, insulation arc-extinguishing mechanism include yoke 3,
Insulation shielding plate 4, armature 5, stage clip 6 and slide bar 7.
Insulation arc-extinguishing mechanism uses slide bar type structure, and two slide bars 7 are fixed on static contact 1 by yoke 3 and screw, and two
On two slide bars 7, armature 5, insulation shielding plate 4 are integrally fixed and are arranged on two slide bars 7 individual stage clip 6 by screw
On, the end of two slide bars 7 is provided with screwed retaining ring, spacing for being carried out to the assembly of armature 5 and insulation shielding plate 4, prevents
The two comes off from slide bar 7, the assembly of armature 5 and insulation shielding plate 4 can overcome under external force the elastic force of stage clip 6 to
Static contact 1, the Slideslip of yoke 3 one.In circuit failure short circuit current, because the surrounding of static contact 1 produces very strong electromagnetism
, yoke 3 attracts armature 5 after being magnetized, the assembly of armature 5 and insulation shielding plate 4 overcome the elastic force of stage clip 6 to static contact 1,
The side quick sliding of yoke 3, the collection of the intelligent control module and magnetic flux electrical apparatus release 10 of Simultaneous Switching according to Current Transmit
Delivering instantaneous trip instruction and snap action cause tripping mechanism 8 to act, moving contact 2 around bearing pin A rotationally clockwise
While opening, insulation shielding plate 4 is rapidly inserted between moving contact 2 and static contact 1, plays the work of rapid insulation shielding arc extinguishing
With.After short circuit current disappears, the attraction that armature 5 is subject to disappears therewith, and the assembly of armature 5 and insulation shielding plate 4 is in stage clip 6
The lower homing of elastic force effect, breaker completes the process of whole disjunction short circuit current.Stored energy mechanism 9 as combined floodgate energy storage it
With.
Insulation shielding plate 4 forms two-stage arc-control device, auxiliary extinction of arc machine as auxiliary extinction of arc mechanism and original arc-chutes
Structure arc extinguishing when dynamic and static contact is not yet opened completely, and arc-chutes 15 are then to have good put out after dynamic and static contact is opened completely
Go out remaining arcing.
Insulation shielding plate 4 is using high intensity, resistant to elevated temperatures engineering plastic materials.It can ensure effectively to divide as defined in product standard
The number (most 3 times) of disconnected short circuit current.
Because ACB arc-control device uses above technical scheme, following technological progress can be obtained：
1 can greatly improve the ability of product disjunction short circuit current；
2. the general purpose of AC and DC can be reached；
3. in disjunction failed shorted electric current, the further expansion of arc energy can be limited, so as to which the short of product can be realized
Arcing or without arcing.
Claims (4)
1. a kind of omnipotent breaker with powerful arc extinction performance, composition include housing, static contact, moving contact, dropout machine
Structure and arc-chutes, it is characterized in that, insulation arc-extinguishing mechanism is set up, the insulation arc-extinguishing mechanism includes insulation shielding plate (4), armature
(5), yoke (3), slide bar (7) and stage clip (6), the yoke (3) are fixed on the side of circuit breaker static contact (1) and are less than stationary contact
The contact surface of head (1) and moving contact (2)；The insulation shielding plate (4) and armature (5) are located at the opposite side of static contact (1), insulation
The gap that barricade (4) is fixed on armature (5) and between the moving contact (2) and static contact (1) of breaker is corresponding；It is described
One end of slide bar (7) is fixedly connected with yoke (3), and the other end sequentially passes through stage clip (6) and armature (5) screws in screwed retaining ring afterwards.
2. the omnipotent breaker according to claim 1 with powerful arc extinction performance, it is characterized in that, the slide bar (7)
Two are respectively provided with stage clip (6), they are symmetricly set on the both sides of circuit breaker static contact (1).
3. the omnipotent breaker according to claim 1 or 2 with powerful arc extinction performance, it is characterized in that, the insulation
Barricade (4) is the dust pan shape put upside down, and the gap between its front end and the moving contact (2) and static contact (1) of breaker is relative
Should, postnotum is through on slide bar (7) and is fixedly connected with armature (5).
4. the omnipotent breaker according to claim 3 with powerful arc extinction performance, it is characterized in that, in Shell of circuit breaker
Inside it is additionally provided with tripping mechanism (8), stored energy mechanism (9), intelligent control module and magnetic flux electrical apparatus release (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727750.2A CN107527773B (en) | 2017-08-23 | 2017-08-23 | Universal circuit breaker with arc extinguishing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727750.2A CN107527773B (en) | 2017-08-23 | 2017-08-23 | Universal circuit breaker with arc extinguishing performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107527773A true CN107527773A (en) | 2017-12-29 |
| CN107527773B CN107527773B (en) | 2020-02-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710727750.2A Active CN107527773B (en) | 2017-08-23 | 2017-08-23 | Universal circuit breaker with arc extinguishing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107527773B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766848A (en) * | 2018-06-21 | 2018-11-06 | 上海诺雅克电气有限公司 | The arc extinguishing structure of breaker |
| CN108962688A (en) * | 2018-08-09 | 2018-12-07 | 西安中熔电气股份有限公司 | A kind of contactor construction with force disconnect amplitude fault current function |
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| JP2006294511A (en) * | 2005-04-13 | 2006-10-26 | Fuji Electric Fa Components & Systems Co Ltd | Circuit breaker |
| CN101000834A (en) * | 2006-12-22 | 2007-07-18 | 西安交通大学 | Current-limiting arc-control device of medium-voltage large current DC circuit breaker |
| CN202937852U (en) * | 2012-12-19 | 2013-05-15 | 方明新 | Pressurization anti-sticking seal valve for extractor hood |
| CN204344988U (en) * | 2014-12-30 | 2015-05-20 | 武汉浩宏科技有限公司 | A kind of electromagnetic clamp pipe valve applied in ultrasonic clear stone equipment |
| CN104715947A (en) * | 2015-03-31 | 2015-06-17 | 厦门柏瑞科电气有限公司 | Arc-extinguishing structure of medium-voltage switch |
| CN204927216U (en) * | 2015-08-03 | 2015-12-30 | 上海良信电器股份有限公司 | Circuit breaker moving contact installation improvement structure |
| CN106783447A (en) * | 2017-03-22 | 2017-05-31 | 德力西电气有限公司 | A kind of circuit breaker forced extinguisher |
| CN206293397U (en) * | 2016-09-29 | 2017-06-30 | 西门子（中国）有限公司 | The arc component and breaker of breaker |
| CN207303018U (en) * | 2017-08-23 | 2018-05-01 | 河北宝凯电气股份有限公司 | A kind of omnipotent breaker |
-
2017
- 2017-08-23 CN CN201710727750.2A patent/CN107527773B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006294511A (en) * | 2005-04-13 | 2006-10-26 | Fuji Electric Fa Components & Systems Co Ltd | Circuit breaker |
| CN101000834A (en) * | 2006-12-22 | 2007-07-18 | 西安交通大学 | Current-limiting arc-control device of medium-voltage large current DC circuit breaker |
| CN202937852U (en) * | 2012-12-19 | 2013-05-15 | 方明新 | Pressurization anti-sticking seal valve for extractor hood |
| CN204344988U (en) * | 2014-12-30 | 2015-05-20 | 武汉浩宏科技有限公司 | A kind of electromagnetic clamp pipe valve applied in ultrasonic clear stone equipment |
| CN104715947A (en) * | 2015-03-31 | 2015-06-17 | 厦门柏瑞科电气有限公司 | Arc-extinguishing structure of medium-voltage switch |
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| CN106783447A (en) * | 2017-03-22 | 2017-05-31 | 德力西电气有限公司 | A kind of circuit breaker forced extinguisher |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766848A (en) * | 2018-06-21 | 2018-11-06 | 上海诺雅克电气有限公司 | The arc extinguishing structure of breaker |
| CN108962688A (en) * | 2018-08-09 | 2018-12-07 | 西安中熔电气股份有限公司 | A kind of contactor construction with force disconnect amplitude fault current function |
| CN108962688B (en) * | 2018-08-09 | 2024-01-02 | 西安中熔电气股份有限公司 | Contactor structure with forced cutting-off large-amplitude fault current function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107527773B (en) | 2020-02-18 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A universal circuit breaker with arc extinguishing performance Effective date of registration: 20220801 Granted publication date: 20200218 Pledgee: Baoding Bank Co., Ltd. High-tech Zone Science and Technology Sub-branch Pledgor: HEBEI BAO KAY ELECTRIC Co.,Ltd.|Zhang Ke Registration number: Y2022130000056 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230927 Granted publication date: 20200218 Pledgee: Baoding Bank Co.,Ltd. High tech Zone Science and Technology Sub branch Pledgor: HEBEI BAO KAY ELECTRIC Co.,Ltd.|Zhang Ke Registration number: Y2022130000056 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |