CN104867777B - Can be used for mechanical type dc circuit breaker, the electric machinery of electrically or electronically system - Google Patents

Can be used for mechanical type dc circuit breaker, the electric machinery of electrically or electronically system Download PDF

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Publication number
CN104867777B
CN104867777B CN201510331533.2A CN201510331533A CN104867777B CN 104867777 B CN104867777 B CN 104867777B CN 201510331533 A CN201510331533 A CN 201510331533A CN 104867777 B CN104867777 B CN 104867777B
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CN
China
Prior art keywords
whippletree body
cavity volume
electric
whippletree
magnet
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.)
Withdrawn - After Issue
Application number
CN201510331533.2A
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Chinese (zh)
Other versions
CN104867777A (en
Inventor
陈宁
王传勇
韩蓬
王超
王坤
代二刚
张健
宋士瞻
卢志鹏
王洪伟
康文文
杨凤文
袁强
王为帅
孙彦硕
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
Zaozhuang Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Zaozhuang 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.)
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Publication date
Application filed by State Grid Corp of China SGCC, Zaozhuang Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510331533.2A priority Critical patent/CN104867777B/en
Publication of CN104867777A publication Critical patent/CN104867777A/en
Application granted granted Critical
Publication of CN104867777B publication Critical patent/CN104867777B/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H29/00Switches having at least one liquid contact
    • H01H29/20Switches having at least one liquid contact operated by tilting contact-liquid container

Landscapes

  • Breakers (AREA)
  • Magnetic Treatment Devices (AREA)

Abstract

The invention discloses can be used for the mechanical type dc circuit breaker of electrically or electronically system, including whippletree body(1), supporting mass(2), adapter(3), 2 to electric rail(4), magnet(5、51), conducting liquid(6);Also include circuit module and head station;Circuit module is in be electrically connected with a pair electric rail;Communicated by wireless telecommunications between circuit module and head station.A kind of electric machinery, has aforesaid dc circuit breaker.Life-span length of the present invention, structure are simple, with low cost.

Description

Can be used for mechanical type dc circuit breaker, the electric machinery of electrically or electronically system
Technical field
The invention belongs to electrical switch, more particularly, to can be used for mechanical type dc circuit breaker, the electricity of electrically or electronically system Power machinery.
Background technology
Easily draw electric arc due to when dc circuit breaker disconnects, lead to the switch sections of dc circuit breaker to be easy to aging, burning Ruin;Prior art has a variety of methods to attempt to eliminate the problem that switch sections are aging, burn, but all there is room for improvement(Such as: The complexity of structure, cost, life-span are always difficult to take into account).
Content of the invention
In order to solve the problems, such as that dc circuit breaker switch sections are easily aging, burn, inventor contemplate and use conductive liquid Body is used as the switch sections of dc circuit breaker, conducting liquid as a kind of liquid have on electric property good from Prosthetic;For reduces cost, reduce complexity, inventor contemplate and promote conducting liquid in gravity seesaw using electromagnetic force Middle flowing to realize auto-switch function.
The present invention has following technology contents.
1st, can be used for the mechanical type dc circuit breaker of electrically or electronically system it is characterised in that:Including whippletree body(1), Hold body(2), adapter(3), 2 to electric rail(4), magnet(5、51), conducting liquid(6);
Whippletree body(1)With supporting mass(2)Connected by rotating(12)It is connected and constitute gravity seesaw;
Whippletree body(1)Have for accommodating conducting liquid(6)Cavity volume(10), cavity volume(10)Across whippletree body(1)With Hold body(2)The fulcrum vertical line of the gravity seesaw collectively forming;
Conducting liquid(6)It is loaded in whippletree body(1)Cavity volume(10)Interior, conducting liquid(6)Volume be less than whippletree body(1) Cavity volume(10)Dischargeable capacity;
Electric rail(4)Length be less than whippletree body(1)Cavity volume(10)Lateral length half;
2 pairs of electric rails(4)It is installed in whippletree body(1)Cavity volume(10)Interior, 2 to electric rail(4)It is respectively arranged in whippletree body(1) With supporting mass(2)The two ends of the gravity seesaw constituting;
Each pair electricity rail(4)Installation all there are following features:Electric rail(4)With electric rail(4)Between there is gap, 2 electric rails (4)With whippletree body(1)Cavity volume(10)End interfaces between be respectively provided with gap, electric rail(4)With whippletree body(1)Fulcrum vertical line it Between there is interval, two electric rails(4)Between gap both ends open trend with whippletree body(1), supporting mass(2)The weight collectively forming The arm of force direction of power seesaw is consistent, two electric rails(4)With whippletree body(1)Cavity volume(10)Side interface between be respectively provided between Gap, electric rail(4)With whippletree body(1)Cavity volume(10)Bottom surface between very close to each other;
At least one pair of electric rail(4)Via adapter(3)Externally constitute electricity passage;
Magnet(5、51)Magnetic field line trend with gravity vertical move towards close, magnet(5、51)Magnetic field line pass through electric rail (4)The whippletree body being located(1)Cavity volume(10)Be mounted to electric rail(4)End;
Adapter(3)For spiral conducting line;
Also include circuit module and head station;Circuit module is in be electrically connected with a pair electric rail;Between circuit module and head station Communicated by wireless telecommunications.
2nd, the mechanical type dc circuit breaker that can be used for electrically or electronically system as described in technology contents 1 it is characterised in that: Described whippletree body(1)Cavity volume(10)Cavity for sealing.
3rd, the mechanical type dc circuit breaker that can be used for electrically or electronically system as described in technology contents 1 it is characterised in that: Described electric rail(4)For tabular.
4th, the mechanical type dc circuit breaker that can be used for electrically or electronically system as described in technology contents 1 it is characterised in that: Described conducting liquid(6)For liquid metal.
5th, the mechanical type dc circuit breaker that can be used for electrically or electronically system as described in technology contents 1 it is characterised in that: Described electric rail(4)It is made up of tungsten of tabular, described conducting liquid(6)For hydrargyrum.
6th, the mechanical type dc circuit breaker that can be used for electrically or electronically system as described in technology contents 1 it is characterised in that: Conducting liquid(6)Volume be less than whippletree body(1)Cavity volume(10)Dischargeable capacity half.
7th, the mechanical type dc circuit breaker that can be used for electrically or electronically system as described in technology contents 1 it is characterised in that: Described adapter(3)For elastomeric spiral conducting line.
8th, the mechanical type dc circuit breaker that can be used for electrically or electronically system as described in technology contents 1 it is characterised in that: Described whippletree body(1)For rectangular-shaped, whippletree body(1)Cavity volume(10)For rectangular shape.
9th, a kind of electric machinery, has the dc circuit breaker described in technology contents 1.
Technology contents explanation and its advantage:
Technology contents explanation:During using the present invention, need gravity seesaw correct placement, be the balance of gravity seesaw State can change under the action of gravity of conducting liquid;When the present invention uses, wiring should be correctly it is ensured that electromagnetic force Conducting liquid pushing direction is directed towards superconducting with the opposite side of liquid place side(Using the fulcrum vertical line of gravity seesaw as in Heart reference);The present invention is not connected on circuit(The circuit that chopper is protected)On one end, because on off state can be because of gravity Seesaw poised state change and change thus circuit-breaker status signal can be exported, because this end equally has conducting liquid The ability promoting, the correct high current that applies can change position so that gravity seesaw changes state by conducting liquid, so As recovery circuit-breaker status, chopper can be reverted to the state of ' institute's protection circuit is connected ';
The present invention is used conducting liquid as the switch sections of dc circuit breaker, and conducting liquid exists as a kind of liquid Good self-repairability is had on electric property, solves the life problems of dc circuit breaker switch sections;The present invention is using electricity Magnetic promotes conducting liquid to flow to realize auto-switch function in gravity seesaw, simple and convenient, with low cost;The i.e. present invention Life-span length, structure are simple, with low cost.
Brief description
Accompanying drawing 1 is that the switch sections of the dc circuit breaker of embodiment 1 are in the schematic diagram of closure state, and wherein A is side View, wherein B are top view, and wherein C is the sketch of this enforcement meaning in circuit.
Accompanying drawing 2 is the schematic diagram that is off of switch sections of the dc circuit breaker of embodiment 1, and wherein A is side View, wherein B are top view, and wherein C is the sketch of this enforcement meaning in circuit.
Fig. 3 is the system diagram of embodiment 1.
It is embodied as example
Below in conjunction with embodiment, the present invention will be described.
Embodiment 1,
As Figure 1-3, can be used for the mechanical type dc circuit breaker of electrically or electronically system, including whippletree body(1), supporting Body(2), adapter(3), 2 electric rails(4), magnet(5、51), conducting liquid(6);
Whippletree body(1)With supporting mass(2)Connected by rotating(12)It is connected and constitute gravity seesaw;
Whippletree body(1)Have for accommodating conducting liquid(6)Cavity volume(10), cavity volume(10)Across whippletree body(1)With Hold body(2)The fulcrum vertical line of the gravity seesaw collectively forming;
Conducting liquid(6)It is loaded in whippletree body(1)Cavity volume(10)Interior, conducting liquid(6)Volume be less than whippletree body(1) Cavity volume(10)Dischargeable capacity half;
Electric rail(4)Length be less than whippletree body(1)Cavity volume(10)Lateral length half;
Each pair electricity rail(4)Installation all there are following features:Electric rail(4)With electric rail(4)Between there is gap, 2 electric rails (4)With whippletree body(1)Cavity volume(10)End interfaces between be respectively provided with gap, electric rail(4)With whippletree body(1)Fulcrum vertical line it Between there is interval, two electric rails(4)Between gap both ends open trend with whippletree body(1), supporting mass(2)The weight collectively forming The arm of force direction of power seesaw is consistent, two electric rails(4)With whippletree body(1)Cavity volume(10)Side interface between be respectively provided between Gap, electric rail(4)With whippletree body(1)Cavity volume(10)Bottom surface between very close to each other;
1 electric rail(4)Via adapter(3)External connection to Y+, 1 electric rail(4)Via adapter(3)External connection arrives Y-;
Magnet(5、51)Magnetic field line trend with gravity vertical move towards close, magnet(5、51)Magnetic field line pass through electric rail (4)The whippletree body being located(1)Cavity volume(10)Be mounted to electric rail(4)One end;
Adapter(3)For elastomeric spiral conducting line;
Also include circuit module and head station;Circuit module is in be electrically connected with a pair electric rail;Between circuit module and head station Communicated by wireless telecommunications;
Whippletree body(1)Cavity volume(10)Cavity for sealing;
Described electric rail(4)It is made up of tungsten of tabular, described conducting liquid(6)For hydrargyrum;
Whippletree body(1), supporting mass(2)Between rotation connect(12)For sliding bearing structure;
Whippletree body(1)For rectangular-shaped, whippletree body(1)Cavity volume(10)For rectangular shape;
C1 as shown in A in Fig. 1 is the magnetic field of magnet 5, and i1 is sense of current after Y+, Y- connection, due to electric current i1 and magnetic The interaction of field C1, conducting liquid 6 can receive the motive force in K1 direction, conductive when the size of electric current i1 reaches to a certain degree Liquid 6 can cross the vertical line of gravity seesaw, thus changing the poised state of gravity seesaw, and eventually becomes shape shown in Fig. 2 State is so that switch off the purpose reaching protection circuit.
C2 as shown in A in Fig. 2 is the magnetic field of magnet 51, and i2 is sense of current after X+, X- connection, due to electric current i2 and magnetic The interaction of field C2, conducting liquid 6 can receive the motive force in K1 direction, if led when the size of electric current i2 reaches to a certain degree Electro-hydraulic body 6 can cross the vertical line of gravity seesaw, thus changing the poised state of gravity seesaw, and eventually becomes shown in Fig. 1 State is thus reach the purpose connecting the circuit that chopper is protected.
In Fig. 1,2,3 SW1 represent X+ and X- place passage electric in pairs rail equivalent switch on-off state, SW2 generation What the electric in pairs rail of table Y+, Y- place passage was equivalent switches on-off state.
In figure GND is the earth point in circuit module.
Circuit module can pass through the state of the structure acquisition chopper of the equivalent switch being attached thereto, and circuit module also may be used To drive the upset of gravity seesaw by applying electric current(Change poised state), so that chopper recovers ' to connect and protected electricity Road ' state.
Embodiment two,
On the electricity passage between Y+ and Y-, one diode of series connection, prevents wiring error.
Embodiment three,
Change on the basis of embodiment 1, make X+, X- also externally constitute electricity passage via adapter.
Embodiment four,
Dc circuit breaker described in embodiment 1 is used for the overcurrent protection of direct current power circuit.
It should be noted that above embodiment is the modular design of the present invention, rather than to protection scope of the present invention Limit.

Claims (2)

1. can be used for the mechanical type dc circuit breaker of electrically or electronically system it is characterised in that:Including whippletree body(1), supporting mass (2), adapter(3), 2 to electric rail(4), the first magnet(5), the second magnet(51), conducting liquid(6);Whippletree body(1)With Hold body(2)Connected by rotating(12)It is connected and constitute gravity seesaw;
Whippletree body(1)Have for accommodating conducting liquid(6)Cavity volume(10), cavity volume(10)Across whippletree body(1)With supporting mass (2)The fulcrum vertical line of the gravity seesaw collectively forming;
Conducting liquid(6)It is loaded in whippletree body(1)Cavity volume(10)Interior, conducting liquid(6)Volume be less than whippletree body(1)Appearance Chamber(10)Dischargeable capacity;
Electric rail(4)Length be less than whippletree body(1)Cavity volume(10)Lateral length half;
2 pairs of electric rails(4)It is installed in whippletree body(1)Cavity volume(10)Interior, 2 to electric rail(4)It is respectively arranged in whippletree body(1)With Hold body(2)The two ends of the gravity seesaw constituting;
Each pair electricity rail(4)Installation all there are following features:Electric rail(4)With electric rail(4)Between there is gap, 2 electric rails(4) With whippletree body(1)Cavity volume(10)End interfaces between be respectively provided with gap, electric rail(4)With whippletree body(1)Between fulcrum vertical line There is interval, two electric rails(4)Between gap both ends open trend with whippletree body(1), supporting mass(2)The gravity collectively forming The arm of force direction of seesaw is consistent, two electric rails(4)With whippletree body(1)Cavity volume(10)Side interface between be respectively provided between Gap, electric rail(4)With whippletree body(1)Cavity volume(10)Bottom surface between very close to each other;
At least one pair of electric rail(4)Via adapter(3)Externally constitute electricity passage;
First magnet(5)Magnetic field line trend with the first magnet(5)Gravity vertical move towards close, the second magnet(51)Magnetic field Line trend and the second magnet(51)Gravity vertical move towards close, the first magnet(5)Magnetic field line pass through whippletree body(1)Cavity volume (10)One end, the second magnet(51)Magnetic field line pass through whippletree body(1)Cavity volume(10)The other end;
Adapter(3)For spiral conducting line;
Also include circuit module and head station;Circuit module is in be electrically connected with a pair electric rail;Pass through between circuit module and head station Wireless telecommunications are communicated;
Described electric rail(4)For tabular;
Described conducting liquid(6)For liquid metal;
Described adapter(3)For elastomeric spiral conducting line;
Conducting liquid(6)Volume be less than whippletree body(1)Cavity volume(10)Dischargeable capacity half.
2. a kind of electric machinery it is characterised in that:There is the dc circuit breaker described in claim 1.
CN201510331533.2A 2015-06-16 2015-06-16 Can be used for mechanical type dc circuit breaker, the electric machinery of electrically or electronically system Withdrawn - After Issue CN104867777B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510331533.2A CN104867777B (en) 2015-06-16 2015-06-16 Can be used for mechanical type dc circuit breaker, the electric machinery of electrically or electronically system

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Application Number Priority Date Filing Date Title
CN201510331533.2A CN104867777B (en) 2015-06-16 2015-06-16 Can be used for mechanical type dc circuit breaker, the electric machinery of electrically or electronically system

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CN104867777A CN104867777A (en) 2015-08-26
CN104867777B true CN104867777B (en) 2017-03-08

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB575791A (en) * 1944-04-05 1946-03-05 Wm Wadsworth & Sons Ltd Improvements in electric switches of the mercury type
CS237774B1 (en) * 1980-12-30 1985-10-16 Adomas A Tirva Change-over switch
CN87101693A (en) * 1986-03-06 1987-11-04 美国电话电报公司 Relay switch apparatus
CN1774782A (en) * 2003-04-14 2006-05-17 安捷伦科技有限公司 Wetting finger latching piezoelectric relay

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB575791A (en) * 1944-04-05 1946-03-05 Wm Wadsworth & Sons Ltd Improvements in electric switches of the mercury type
CS237774B1 (en) * 1980-12-30 1985-10-16 Adomas A Tirva Change-over switch
CN87101693A (en) * 1986-03-06 1987-11-04 美国电话电报公司 Relay switch apparatus
CN1774782A (en) * 2003-04-14 2006-05-17 安捷伦科技有限公司 Wetting finger latching piezoelectric relay

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SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Chen Ning

Inventor after: Wang Hongwei

Inventor after: Kang Wenwen

Inventor after: Yang Fengwen

Inventor after: Yuan Qiang

Inventor after: Wang Weishuai

Inventor after: Sun Yanshuo

Inventor after: Wang Chuanyong

Inventor after: Han Peng

Inventor after: Wang Chao

Inventor after: Wang Kun

Inventor after: Dai Ergang

Inventor after: Zhang Jian

Inventor after: Song Shizhan

Inventor after: Lu Zhipeng

Inventor before: Chen Ning

Inventor before: Wang Chuanyong

Inventor before: Han Peng

Inventor before: Wang Kun

Inventor before: Dai Ergang

Inventor before: Zhang Jian

Inventor before: Kang Wenwen

Inventor before: Yang Fengwen

COR Change of bibliographic data
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20170308

Effective date of abandoning: 20181226