CN107799365A - Bistable permanent magnetic three-phase breaker - Google Patents

Bistable permanent magnetic three-phase breaker Download PDF

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Publication number
CN107799365A
CN107799365A CN201610792478.1A CN201610792478A CN107799365A CN 107799365 A CN107799365 A CN 107799365A CN 201610792478 A CN201610792478 A CN 201610792478A CN 107799365 A CN107799365 A CN 107799365A
Authority
CN
China
Prior art keywords
shell
phase
static contact
permanent magnet
mains
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.)
Pending
Application number
CN201610792478.1A
Other languages
Chinese (zh)
Inventor
冯忠奎
王辉
周刚
李国成
张晓庆
冯曰敏
孟庆刚
张海强
崔炎
孟成
刘新梅
张瀚匀
周宝凤
寇承升
韩永
刘刚
王毅
许小涛
徐天锡
李亚洲
昝浩
刘广
高原
伊纪昌
孙红艳
宗飞
王强
燕军
商同毅
李想
牛秋辰
靳迪
李雪婷
孙涌
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.)
State Grid Corp of China SGCC
Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Zibo Power Supply Co of State Grid Shandong Electric Power 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 State Grid Corp of China SGCC, Zibo Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610792478.1A priority Critical patent/CN107799365A/en
Publication of CN107799365A publication Critical patent/CN107799365A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08Terminals; Connections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms
    • H01H71/12Automatic release mechanisms with or without manual release
    • H01H71/24Electromagnetic mechanisms
    • H01H71/32Electromagnetic mechanisms having permanently magnetised part

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

The invention discloses bistable permanent magnetic three-phase breaker, including base, shell, load side three-phase conducting wire joint and mains side three-phase conducting wire joint, susceptor surface is provided with shell, shell is internally provided with coil, case surface is provided with wire barrel and lower wire barrel, shell side is provided with load side three-phase conducting wire joint, shell opposite side is provided with mains side three-phase conducting wire joint, enclosure is provided with holding permanent magnet, mains side static contact is provided with beside upper holding permanent magnet, lower holding permanent magnet is provided with beside mains side static contact, slip iron core is provided with beside lower holding permanent magnet, slide and be provided with load side moving contact below iron core, mains side moving contact is provided with beside load side moving contact.Beneficial effect is:The present invention no longer needs to maintain electromagnetic actuation and consumed energy after State Transferring, and the noise and magnetic field that also no electromagnet running hours may be sent influence, and environmental protection and saves, and switch speed is fast.

Description

Bistable permanent magnetic three-phase breaker
Technical field
The present invention relates to power industry apparatus field, more particularly to bistable permanent magnetic three-phase breaker.
Background technology
Breaker is the electric current for referring to close, carry and cut-off under normal loop condition and can closed, when defined Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.Breaker is divided into primary cut-out by its use range With low-voltage circuit breaker, high-low pressure identification of boundaries is relatively fuzzyyer, typically by more than three kilovolts of referred to as High-Voltage Electrical Appliances.Current power distribution network Low voltage three-phase switch (0.4kV) does not largely have electric switch-on function, a small amount of threephase switch body with electric switch-on function Product is larger, it is impossible to is realized in existing ammeter box and takes control (prepayment electric expense, when the electricity charge are finished, ammeter can control control Tripping is switched, after filling expense, ammeter controlling switch closure, the user of current single phase power supply realizes expense control, the visitor of three phase supply It is not implemented per family and takes control, the reliable threephase switch of major stable is not developed), expensive, the divide-shut brake of switch needs Coil energy storage, coil, which is electrified for a long time, to generate heat, and energy saving is bad.
The content of the invention
The purpose of the present invention is that to solve the above problems and provides bistable permanent magnetic three-phase breaker.
The present invention is achieved through the following technical solutions above-mentioned purpose:
Bistable permanent magnetic three-phase breaker, including base, shell, load side three-phase conducting wire joint and mains side three-phase conducting wire Joint, the susceptor surface are provided with the shell, and the shell is internally provided with coil, and the case surface is provided with Wire barrel and lower wire barrel, the shell side are provided with the load side three-phase conducting wire joint, and the shell opposite side is set There is the mains side three-phase conducting wire joint, the enclosure is provided with holding permanent magnet, the upper holding permanent magnet side It is provided with mains side static contact, is provided with lower holding permanent magnet beside the mains side static contact, by the lower holding permanent magnet While being provided with slip iron core, load side moving contact is provided with below the slip iron core, is set beside the load side moving contact There is mains side moving contact, the mains side static contact is also installed on the base, is provided with beside the mains side static contact Load side static contact, the chassis interior are provided with three-phase arc extinguishing storehouse.
In said structure, the positive pole of the upper peace dc source pulse of wire barrel connection five, the lower wire barrel connection five Pacify the negative pole of dc source pulse, the coil produces the direction in magnetic field and the upper direction one for keeping permanent magnet to produce magnetic field Cause, the two adds the magnetic field with after that the slip iron core is drawn onto near the upper holding permanent magnet, the mains side moving contact Separated with the mains side static contact, the load side moving contact also separates simultaneously with the load side static contact, continues 20 millis After the pulse current of second disappears, the upper attraction for keeping permanent magnet is more than the lower attraction for keeping permanent magnet, described Slide iron core to remain stationary as, breaker is in separated position, and when being passed through reverse current pulses, breaker then closes, and reaches The purpose automatically controlled.
In order to further improve the function of bistable permanent magnetic three-phase breaker, the shell is mounted by means of bolts on institute State base upper surface, the shell is epoxy material, and the coil is wrapped in the enclosure, the upper wire barrel and described Lower wire barrel is mounted by means of bolts on the case surface, and the load side three-phase conducting wire joint is bolted installation In the base side, the mains side three-phase conducting wire joint is mounted by means of bolts on the base opposite side, it is described on Permanent magnet is kept to be mounted by means of bolts on the enclosure.
In order to further improve the function of bistable permanent magnetic three-phase breaker, the mains side static contact is bolted Installed in the enclosure, the lower holding permanent magnet is mounted by means of bolts on the enclosure, the upper holding Permanent magnet and the lower holding permanent magnet shape are cylinder, and the slip iron core is arranged in the shell by chute Portion.
In order to further improve the function of bistable permanent magnetic three-phase breaker, the material for sliding iron core is pure iron, institute The cylinder that is shaped as sliding iron core is stated, the load side moving contact is arranged on the slip simultaneously with the mains side moving contact The lower section of iron core, the mains side static contact on the base are mounted by means of bolts on the susceptor surface.
In order to further improve the function of bistable permanent magnetic three-phase breaker, the load side static contact is bolted On the base, the mains side static contact and the load side static contact on the base are copper coin, described The quantity in three-phase arc extinguishing storehouse is three, and three three-phase arc extinguishing storehouses are integrally formed and are spaced from each other by the base.
Beneficial effect is:The present invention no longer needs to maintain electromagnetic actuation and consumed energy after State Transferring, does not also have There are noise that electromagnet running hours may be sent and magnetic field to influence, environmental protection and save, switch speed is fast.
Brief description of the drawings
Fig. 1 is the space diagram of bistable permanent magnetic three-phase breaker of the present invention;
Fig. 2 is the top view of bistable permanent magnetic three-phase breaker of the present invention;
Fig. 3 is the transverse cross sectional view of bistable permanent magnetic three-phase breaker of the present invention;
Fig. 4 is the longitudinal cross section of bistable permanent magnetic three-phase breaker of the present invention.
Description of reference numerals is as follows:
1st, base;2nd, shell;3rd, load side three-phase conducting wire joint;4th, mains side three-phase conducting wire joint;5th, upper holding permanent magnetism Iron;6th, iron core is slided;7th, mains side static contact;8th, lower holding permanent magnet;9th, load side static contact;10th, mains side moving contact; 11st, load side moving contact;12nd, three-phase arc extinguishing storehouse;13rd, coil;14th, upper wire barrel;15th, lower wire barrel.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings:
As Figure 1-Figure 4, bistable permanent magnetic three-phase breaker, including base 1, shell 2, load side three-phase conducting wire joint 3 and mains side three-phase conducting wire joint 4, the surface of base 1 be provided with shell 2, to install coil 13, the inside of shell 2 is set shell 2 Coil 13 is equipped with, for coil 13 to produce electromagnetic field, the surface of shell 2 is provided with wire barrel 14 and lower wire barrel 15, upper wiring To connect dc source respectively, the side of shell 2 is provided with load side three-phase conducting wire joint 3, load for pipe 14 and lower wire barrel 15 Side three-phase conducting wire joint 3 is provided with mains side three-phase conducting wire joint 4, mains side three to connected load wire, the opposite side of shell 2 Phase conductor joint 4 is provided with inside shell 2 and keeps permanent magnet 5 connecting power line, and upper holding permanent magnet 5 is to for dress Put and magnetic field is provided, upper holding permanent magnet 5 side is provided with mains side static contact 7, and mains side static contact 7 is coordinating mains side to move Contact 10 carries out circuit turn-on, and the side of mains side static contact 7 is provided with lower holding permanent magnet 8, and lower holding permanent magnet 8 is to for dress Put and magnetic field is provided, the lower side of holding permanent magnet 8, which is provided with, slides iron core 6, slides iron core 6 to carry out circuit to lead on and off Open, slide the lower section of iron core 6 and be provided with load side moving contact 11, load side moving contact 11 is the circuit of load side to be turned off And conducting, the side of load side moving contact 11 are provided with mains side moving contact 10, mains side moving contact 10 is to by the electricity of mains side Road is turned off and turned on, and mains side static contact 7 is also provided with base 1, and mains side static contact 7 touches to coordinate mains side to move First 10 carry out circuit turn-on, and the side of mains side static contact 7 is provided with load side static contact 9, and load side static contact 9 is negative to coordinate Lotus side moving contact 11 carries out circuit turn-on, and base 1 is internally provided with three-phase arc extinguishing storehouse 12, and three-phase arc extinguishing storehouse 12 is preventing short circuit The generation of phenomenon.
In said structure, the positive pole of the upper peace dc source pulse of the connection of wire barrel 14 five, the lower peace of the connection of wire barrel 15 five is directly The negative pole of power pulse is flowed, the direction that coil 13 produces magnetic field is consistent with the direction that upper holding permanent magnet 5 produces magnetic field, and the two adds Magnetic field with after will be slided iron core 6 and is drawn onto near upper holding permanent magnet 5, and mains side moving contact 10 divides with mains side static contact 7 To open, load side moving contact 11 also separates simultaneously with load side static contact 9, after continuing 20 milliseconds of pulse current disappearance, upper holding The attraction of permanent magnet 5 is more than the attraction of lower holding permanent magnet 8, slides iron core 6 and remains stationary as, and breaker, which is in, separates shape State, when being passed through reverse current pulses, breaker then closes, and reaches the purpose automatically controlled.
In order to further improve the function of bistable permanent magnetic three-phase breaker, shell 2 is mounted by means of bolts on base 1 Upper surface, shell 2 are epoxy material, and coil 13 is wrapped in inside shell 2, and upper wire barrel 14 and lower wire barrel 15 are consolidated by bolt Dingan County is mounted in the surface of shell 2, and load side three-phase conducting wire joint 3 is mounted by means of bolts on the side of base 1, and mains side three-phase is led Wire terminal 4 is mounted by means of bolts on the opposite side of base 1, and upper holding permanent magnet 5 is mounted by means of bolts in shell 2 Portion, mains side static contact 7 are mounted by means of bolts on inside shell 2, and lower holding permanent magnet 8 is mounted by means of bolts on outer Inside shell 2,8 magnet shapes are cylinder forever for upper holding permanent magnet 5 and lower holding, slide iron core 6 by chute installed in outer Inside shell 2, the material for sliding iron core 6 is pure iron, and that slides iron core 6 is shaped as cylinder, load side moving contact 11 and mains side Mains side static contact 7 of the moving contact 10 simultaneously on the lower section for sliding iron core 6, base 1 is mounted by means of bolts on bottom 1 surface of seat, load side static contact 9 are mounted by means of bolts on base 1, mains side static contact 7 and load side on base 1 Static contact 9 is copper coin, and the quantity in three-phase arc extinguishing storehouse 12 is three, and three three-phase arc extinguishing storehouses 12 are integrally formed simultaneously by base 1 And it is spaced from each other.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its Xiao Wu circle It is fixed.

Claims (5)

1. bistable permanent magnetic three-phase breaker, it is characterised in that:Including base, shell, load side three-phase conducting wire joint and power supply Side three-phase conducting wire joint, the susceptor surface are provided with the shell, and the shell is internally provided with coil, the shell table Face is provided with wire barrel and lower wire barrel, and the shell side is provided with the load side three-phase conducting wire joint, the shell Opposite side is provided with the mains side three-phase conducting wire joint, and the enclosure is provided with holding permanent magnet, the upper holding Mains side static contact is provided with beside permanent magnet, lower holding permanent magnet, the lower guarantor are provided with beside the mains side static contact Hold and slip iron core is provided with beside permanent magnet, load side moving contact is provided with below the slip iron core, the load side is dynamic to be touched Head side is provided with mains side moving contact, and the mains side static contact, the mains side static contact are also provided with the base Side is provided with load side static contact, and the chassis interior is provided with three-phase arc extinguishing storehouse.
2. bistable permanent magnetic three-phase breaker according to claim 1, it is characterised in that:The shell is bolted Installed in the base upper surface, the shell is epoxy material, and the coil is wrapped in the enclosure, the upper wiring Pipe and the lower wire barrel are mounted by means of bolts on the case surface, and the load side three-phase conducting wire joint passes through bolt The base side is fixedly mounted on, it is another that the mains side three-phase conducting wire joint is mounted by means of bolts on the base Side, the upper holding permanent magnet are mounted by means of bolts on the enclosure.
3. bistable permanent magnetic three-phase breaker according to claim 1, it is characterised in that:The mains side static contact passes through Bolt is fixedly mounted on the enclosure, and the lower holding permanent magnet is mounted by means of bolts on the enclosure, institute It is cylinder that holding, which is stated, with magnet and the lower holding with magnet shape, and the slip iron core is arranged on described by chute Enclosure.
4. bistable permanent magnetic three-phase breaker according to claim 1, it is characterised in that:It is described slide iron core material be Pure iron, the slip iron core are shaped as cylinder, and the load side moving contact is arranged on simultaneously with the mains side moving contact The lower section for sliding iron core, the mains side static contact on the base are mounted by means of bolts on the base table Face.
5. bistable permanent magnetic three-phase breaker according to claim 1, it is characterised in that:The load side static contact passes through Bolt is fixedly mounted on the base, and the mains side static contact and the load side static contact on the base are copper Plate, the quantity in the three-phase arc extinguishing storehouse is three, and three three-phase arc extinguishing storehouses are integrally formed and mutually by the base Separate.
CN201610792478.1A 2016-08-31 2016-08-31 Bistable permanent magnetic three-phase breaker Pending CN107799365A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610792478.1A CN107799365A (en) 2016-08-31 2016-08-31 Bistable permanent magnetic three-phase breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610792478.1A CN107799365A (en) 2016-08-31 2016-08-31 Bistable permanent magnetic three-phase breaker

Publications (1)

Publication Number Publication Date
CN107799365A true CN107799365A (en) 2018-03-13

Family

ID=61529529

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610792478.1A Pending CN107799365A (en) 2016-08-31 2016-08-31 Bistable permanent magnetic three-phase breaker

Country Status (1)

Country Link
CN (1) CN107799365A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107527772A (en) * 2017-09-27 2017-12-29 国网新疆电力公司疆南供电公司 Low voltage three-phase bistable permanent magnetic air switch
CN114078655A (en) * 2020-08-17 2022-02-22 天津首瑞智能电气有限公司 Load switch
CN114388302A (en) * 2020-10-16 2022-04-22 天津首瑞智能电气有限公司 Electric switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107527772A (en) * 2017-09-27 2017-12-29 国网新疆电力公司疆南供电公司 Low voltage three-phase bistable permanent magnetic air switch
CN114078655A (en) * 2020-08-17 2022-02-22 天津首瑞智能电气有限公司 Load switch
CN114388302A (en) * 2020-10-16 2022-04-22 天津首瑞智能电气有限公司 Electric switch

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WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20180313

WD01 Invention patent application deemed withdrawn after publication