CN104157503A - Direct current switch magnetic arc blasting device - Google Patents
Direct current switch magnetic arc blasting device Download PDFInfo
- Publication number
- CN104157503A CN104157503A CN201410426769.XA CN201410426769A CN104157503A CN 104157503 A CN104157503 A CN 104157503A CN 201410426769 A CN201410426769 A CN 201410426769A CN 104157503 A CN104157503 A CN 104157503A
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- Prior art keywords
- magnetic
- arc
- leading angle
- blowout
- blow
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Abstract
The invention relates to a direct current switch magnetic arc blasting device. The direct current switch magnetic arc blasting device comprises an insulation frame part, a magnetic arc blasting coil, a magnetic field magnetic circuit part and an arc strike angle part. The insulation frame part is provided with a magnetic arc blasting frame, a cover plate and insulation partitions. The magnetic field magnetic circuit part is provided with a magnetic arc blasting iron core and permeability plates. The arc strike angle part is provided with an upper arc strike angle, a moving contact arc strike angle and a lower arc strike angle. The direct current switch magnetic arc blasting device has the advantages of being long in service life, free of polarity, high in breaking critical current and shock resistance, compact in structure, small in size, capable of simplifying switch design and the like.
Description
Technical field
The present invention relates to a kind of magnetic blowout device, especially relate to a kind of DC switch magnetic blowout device.
Background technology
At present, the magnetic blowout device of China's DC switch mainly contains intelligent change poles magnetic blowout device, have three kinds, polarity magnetic blowout device and nonpolarity magnetic blowout device, intelligence change poles magnetic blowout device is to switch the sense of current in blowout coil after judging main circuit current direction, mates corresponding magnetic field and realizes arc blow-out; Having polarity magnetic blowout dress is to place permanent-magnet steel by Hu district to set up specific magnetic fields, has polarity arc blow-out thereby realize; Nonpolarity magnetic blowout device is to change magnetic direction by series connection main flow loop with the sense of current variation of major loop to realize nonpolarity arc blow-out.
The shortcoming of above-mentioned first two magnetic blowout mode is: 1, intelligent change poles magnetic blowout device complexity, and maintainability is poor; 2, intelligent change poles magnetic blowout device is difficult for discovering after breaking down; 3, the weakness loop in intelligent change poles magnetic blowout device is vulnerable to the magnetic field of major loop generation and the magnetic interference that blowout coil produces; 4, there is polarity magnetic blowout device to have strict demand to the sense of current in loop, the design of the electric power system of complicated switch major loop or application.
Summary of the invention
The present invention solves the existing technical problem of prior art; Provide a kind of applied widely; Compare dependable performance, compact conformation, small volume with the magnetic blowout device of equal requirement, and easy for installation, flexible, reliable a kind of DC switch magnetic blowout device.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of DC switch magnetic blowout device, is characterized in that, comprises some groups of arc blow-out mechanisms, and described arc blow-out mechanism comprises Insulating frame assembly, blowout coil, magnetic field magnetic circuit assembly and arc leading angle assembly;
Described Insulating frame assembly has magnetic blowout framework, cover plate and insulating barrier;
Described magnetic field magnetic circuit assembly has magnetic blow-out iron core and magnetic conductive board;
Described arc leading angle assembly has upper arc leading angle, moving contact arc leading angle, lower arc leading angle and busbar;
Wherein, blowout coil is wrapped on magnetic blow-out iron core, and lower arc leading angle is connected with blowout coil two ends respectively with busbar; Two magnetic conductive boards that be arranged in parallel are fixed with magnetic blow-out iron core two ends respectively, on every magnetic conductive board, are fixed with insulating barrier, for magnetic conductive board and arc are separated from; Moving contact arc leading angle and moving contact are fixed and are gapped with upper arc leading angle one end; The upper arc leading angle other end is fixed on magnetic blowout frames; Busbar is C shape, and one end is fixed with fixed contact, and the other end is fixed on magnetic blowout framework.
At above-mentioned a kind of DC switch magnetic blowout device, arc blow-out mechanism is 2 groups, be arranged in parallel and forms an entirety.
Therefore, tool of the present invention has the following advantages: applied widely; Compare dependable performance, compact conformation, small volume with the magnetic blowout device of equal requirement, and easy for installation, flexible, reliable.
Brief description of the drawings
Fig. 1 is overall structure figure of the present invention.
Fig. 2 is the cutaway view of the embodiment of the present invention.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.In figure, fixed contact 1, moving contact 2, moving contact arc leading angle 3, upper arc leading angle 4, lower arc leading angle 5, magnetic blow-out framework 6, blowout coil 7, magnetic blow-out iron core 8, busbar 9, insulating barrier 10, magnetic conductive board 11.
Embodiment:
As depicted in figs. 1 and 2, the present invention includes 2 groups of arc blow-out mechanisms that be arranged in parallel, arc blow-out mechanism comprises Insulating frame assembly, blowout coil 7, magnetic field magnetic circuit assembly and arc leading angle assembly; Insulating frame assembly has magnetic blowout framework, cover plate and insulating barrier 10; Magnetic field magnetic circuit assembly has magnetic blow-out iron core 8 and magnetic conductive board 11; Arc leading angle assembly has upper arc leading angle 4, moving contact arc leading angle 3, lower arc leading angle 5 and busbar 9;
Wherein, blowout coil 7 is wrapped on magnetic blow-out iron core 8, and lower arc leading angle 5 is connected with blowout coil 7 two ends respectively with busbar; Two magnetic conductive boards that be arranged in parallel 11 are fixed with magnetic blow-out iron core 7 two ends respectively, on every magnetic conductive board 11, are fixed with insulating barrier 10, for magnetic conductive board 11 and arc are separated from; Moving contact arc leading angle 3 is fixing and gapped with upper arc leading angle 4 one end with moving contact 2; On the fixing magnetic blow-out framework 6 of upper arc leading angle 4 other ends; Busbar 9 is C shape, and one end is fixed with fixed contact 1, and the other end is fixed on magnetic blowout framework.
When work, moving contact 2 and fixed contact 1 separately produce electric arc, on electric arc, arc root moves along moving contact arc leading angle 3, jump on arc leading angle 4, under electric arc, arc root jumps on lower arc leading angle 5 along fixed contact 1, lower arc leading angle 5 is connected with blowout coil 7 two ends respectively with busbar 9, arc current is by lower arc leading angle 5, blowout coil 7 and busbar 9, blowout coil 7 produces excitation, set up magnetic field, arc district by magnetic blow-out iron core 8 and the magnetic conductive board 11 that two faces are arranged, insulating barrier by magnetic conductive board 11 and arc separate from, electric arc is subject to Ampere force effect and is blown switch external or arc control device inside in magnetic field.
Magnetic field magnetic line of induction direction is corresponding with the sense of current in busbar 9, and the sense of current in busbar 9 changes, and magnetic direction correspondence changes, and realizes nonpolarity arc blow-out.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (2)
1. a DC switch magnetic blowout device, is characterized in that, comprises some groups of arc blow-out mechanisms, and described arc blow-out mechanism comprises Insulating frame assembly, blowout coil, magnetic field magnetic circuit assembly and arc leading angle assembly;
Described Insulating frame assembly has magnetic blowout framework, cover plate and insulating barrier;
Described magnetic field magnetic circuit assembly has magnetic blow-out iron core and magnetic conductive board;
Described arc leading angle assembly has upper arc leading angle, moving contact arc leading angle, lower arc leading angle and busbar;
Wherein, blowout coil is wrapped on magnetic blow-out iron core, and lower arc leading angle is connected with blowout coil two ends respectively with busbar; Two magnetic conductive boards that be arranged in parallel are fixed with magnetic blow-out iron core two ends respectively, on every magnetic conductive board, are fixed with insulating barrier, for magnetic conductive board and arc are separated from; Moving contact arc leading angle and moving contact are fixed and are gapped with upper arc leading angle one end; The upper arc leading angle other end is fixed on magnetic blowout frames; Busbar is C shape, and one end is fixed with fixed contact, and the other end is fixed on magnetic blowout framework.
2. a kind of DC switch magnetic blowout device according to claim 1, is characterized in that, arc blow-out mechanism is 2 groups, be arranged in parallel and forms an entirety.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410426769.XA CN104157503A (en) | 2014-08-27 | 2014-08-27 | Direct current switch magnetic arc blasting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410426769.XA CN104157503A (en) | 2014-08-27 | 2014-08-27 | Direct current switch magnetic arc blasting device |
Publications (1)
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CN104157503A true CN104157503A (en) | 2014-11-19 |
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Family Applications (1)
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CN201410426769.XA Pending CN104157503A (en) | 2014-08-27 | 2014-08-27 | Direct current switch magnetic arc blasting device |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86204642U (en) * | 1986-09-17 | 1987-06-24 | 上海立新电器厂 | Direct-current magnetic field circuit breaker |
US20080030289A1 (en) * | 2006-08-01 | 2008-02-07 | Robert Kralik | Contactor for direct current and alternating current operation |
CN201518302U (en) * | 2009-08-06 | 2010-06-30 | 乐清市牵引机电厂 | Permanent magnetism on/off DC intelligent circuit breaker |
US20120067849A1 (en) * | 2010-09-20 | 2012-03-22 | Secheron Sa | Electromechanical circuit breaker |
CN102436975A (en) * | 2011-10-06 | 2012-05-02 | 武汉长海电气科技开发有限公司 | Bipolar DC contactor |
-
2014
- 2014-08-27 CN CN201410426769.XA patent/CN104157503A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN86204642U (en) * | 1986-09-17 | 1987-06-24 | 上海立新电器厂 | Direct-current magnetic field circuit breaker |
US20080030289A1 (en) * | 2006-08-01 | 2008-02-07 | Robert Kralik | Contactor for direct current and alternating current operation |
CN201518302U (en) * | 2009-08-06 | 2010-06-30 | 乐清市牵引机电厂 | Permanent magnetism on/off DC intelligent circuit breaker |
US20120067849A1 (en) * | 2010-09-20 | 2012-03-22 | Secheron Sa | Electromechanical circuit breaker |
CN102436975A (en) * | 2011-10-06 | 2012-05-02 | 武汉长海电气科技开发有限公司 | Bipolar DC contactor |
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Application publication date: 20141119 |
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WD01 | Invention patent application deemed withdrawn after publication |