CN104867777A - Mechanical DC circuit breaker for electrical or electronic systems, and electrical machinery - Google Patents
Mechanical DC circuit breaker for electrical or electronic systems, and electrical machinery Download PDFInfo
- Publication number
- CN104867777A CN104867777A CN201510331533.2A CN201510331533A CN104867777A CN 104867777 A CN104867777 A CN 104867777A CN 201510331533 A CN201510331533 A CN 201510331533A CN 104867777 A CN104867777 A CN 104867777A
- Authority
- CN
- China
- Prior art keywords
- electric
- whippletree body
- circuit breaker
- cavity volume
- rail
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H29/00—Switches having at least one liquid contact
- H01H29/20—Switches having at least one liquid contact operated by tilting contact-liquid container
Abstract
The invention discloses a mechanical DC circuit breaker or electrical or electronic systems. The mechanical DC circuit breaker comprises a horizontal rod body (1), a support body (2), a connector (3), two pairs of rails (4), magnets (5 and 51) and conductive liquid (6), and further comprises a circuit module and a main station, wherein the circuit module is electrically connected with one pair of the rails, and communicates with the main station through wireless communication. The invention further provides electrical machinery employing the DC circuit breaker. The mechanical DC circuit breaker provided by the invention is long is service life, simple in structure and low in cost.
Description
Technical field
The invention belongs to electrical switch, particularly relate to the mechanical type DC circuit breaker, the electric machinery that can be used for electric power or electronic system.
Background technology
Owing to easily drawing electric arc when DC circuit breaker disconnects, cause the switch sections of DC circuit breaker be easy to aging, burn; Prior art has a variety of method to attempt to eliminate the problem that switch sections is 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).
Summary of the invention
In order to solve DC circuit breaker switch sections easily aging, the problem of burning, inventor contemplate the switch sections using conducting liquid to be used as DC circuit breaker, conducting liquid has good self-repairability as a kind of liquid on electric property; In order to reduce costs, reduce complexity, inventor contemplate and use electromagnetic force to promote conducting liquid to flow in gravity seesaw and realize auto-switch function.
The present invention has following technology contents.
1, can be used for the mechanical type DC circuit breaker of electric power or electronic system, it is characterized in that: comprise whippletree body (1), supporting mass (2), connector (3), 2 to electric rail (4), magnet (5,51), conducting liquid (6);
Whippletree body (1) and supporting mass (2) are connected form gravity seesaw by being rotationally connected (12);
Whippletree body (1) has the cavity volume (10) for holding conducting liquid (6), the fulcrum vertical line of the gravity seesaw that cavity volume (10) is formed with supporting mass (2) jointly across whippletree body (1);
Conducting liquid (6) is loaded in the cavity volume (10) of whippletree body (1), and the volume of conducting liquid (6) is less than the dischargeable capacity of the cavity volume (10) of whippletree body (1);
The length of electricity rail (4) is less than the half of the lateral length of the cavity volume (10) of whippletree body (1);
2 pairs of electric rails (4) are installed in the cavity volume (10) of whippletree body (1), and 2 are installed on the two ends of the gravity seesaw that whippletree body (1) is formed with supporting mass (2) respectively to electric rail (4);
The installation of often pair of electric rail (4) all has following features: have gap between electric rail (4) and electric rail (4), all there is gap between the end interfaces of the cavity volume (10) of 2 electric rails (4) and whippletree body (1), between electricity rail (4) and whippletree body (1) fulcrum vertical line, there is interval, between two electric rails (4), the both ends open in gap moves towards and whippletree body (1), the arm of force direction of the gravity seesaw that supporting mass (2) is formed jointly is consistent, all there is gap between the side interface of the cavity volume (10) of two electric rails (4) and whippletree body (1), very close to each other between the bottom surface of the cavity volume (10) of electricity rail (4) and whippletree body (1),
At least one pair of electric rail (4) externally forms electricity passage via connector (3);
Magnet (5,51) magnetic field line trend with gravity vertical move towards close, the end being mounted to right electric rail (4) passing through the cavity volume (10) of the whippletree body (1) at electric rail (4) place of the magnetic field line of magnet (5,51);
Connector (3) is spiral conducting line;
Also comprise circuit module and head station; Circuit module is that electricity is connected with a pair electric rail; Communicated by wireless telecommunications between circuit module with head station.
2, the mechanical type DC circuit breaker that can be used for electric power or electronic system as described in technology contents 1, is characterized in that: the cavity volume (10) of described whippletree body (1) is the cavity of sealing.
3, the mechanical type DC circuit breaker that can be used for electric power or electronic system as described in technology contents 1, is characterized in that: described electric rail (4) is tabular.
4, the mechanical type DC circuit breaker that can be used for electric power or electronic system as described in technology contents 1, is characterized in that: described conducting liquid (6) is liquid metal.
5, the mechanical type DC circuit breaker that can be used for electric power or electronic system as described in technology contents 1, is characterized in that: described electric rail (4) is made up of tungsten for tabular, and described conducting liquid (6) is mercury.
6, the mechanical type DC circuit breaker that can be used for electric power or electronic system as described in technology contents 1, is characterized in that: the volume of conducting liquid (6) is less than the dischargeable capacity half of the cavity volume (10) of whippletree body (1).
7, the mechanical type DC circuit breaker that can be used for electric power or electronic system as described in technology contents 1, is characterized in that: described connector (3) is elastomeric spiral conducting line.
8, the mechanical type DC circuit breaker that can be used for electric power or electronic system as described in technology contents 1, is characterized in that: described whippletree body (1) for rectangular-shaped, the cavity volume (10) of whippletree body (1) be rectangular shape.
9, an electric machinery, the DC circuit breaker described in the content that possesses skills 1.
Technology contents illustrates and beneficial effect:
Technology contents illustrates: when using of the present invention, needing gravity seesaw correctly to place, is that the poised state of gravity seesaw can change under the Action of Gravity Field of conducting liquid; When the present invention uses, wiring should be correct, ensure that electromagnetic force is towards the opposite side of side, superconduct liquid place (using the fulcrum vertical line of gravity seesaw as center reference) to conducting liquid pushing direction; One end be not connected on circuit (circuit that circuit breaker is protected) of the present invention, thus circuit-breaker status signal can be exported because on off state can change because of the poised state change of gravity seesaw, because this end has the ability of conducting liquid promotion equally, correct applying big current can change position thus makes gravity seesaw change state by conducting liquid, so circuit breaker can be reverted to as recovery circuit-breaker status the state of ' institute's protection circuit is connected ';
The present invention uses conducting liquid as the switch sections of DC circuit breaker, and conducting liquid has good self-repairability as a kind of liquid on electric property, solves the life problems of DC circuit breaker switch sections; The present invention uses electromagnetic propulsion conducting liquid to flow in gravity seesaw and realizes auto-switch function, simple and convenient, with low cost; Namely the life-span of the present invention is long, structure is simple, with low cost.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic diagram that the switch sections of the DC circuit breaker of embodiment 1 is in closure state, and wherein A is end view, and wherein B is top view, and wherein C is the sketch of this enforcement meaning in circuit.
Accompanying drawing 2 is the schematic diagram that the switch sections of the DC circuit breaker of embodiment 1 is in off-state, and wherein A is end view, and wherein B is top view, and wherein C is the sketch of this enforcement meaning in circuit.
Fig. 3 is the system diagram of embodiment 1.
concrete embodiment
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 electric power or electronic system, comprise whippletree body (1), supporting mass (2), connector (3), 2 electric rails (4), magnet (5,51), conducting liquid (6);
Whippletree body (1) and supporting mass (2) are connected form gravity seesaw by being rotationally connected (12);
Whippletree body (1) has the cavity volume (10) for holding conducting liquid (6), the fulcrum vertical line of the gravity seesaw that cavity volume (10) is formed with supporting mass (2) jointly across whippletree body (1);
Conducting liquid (6) is loaded in the cavity volume (10) of whippletree body (1), and the volume of conducting liquid (6) is less than the half of the dischargeable capacity of the cavity volume (10) of whippletree body (1);
The length of electricity rail (4) is less than the half of the lateral length of the cavity volume (10) of whippletree body (1);
The installation of often pair of electric rail (4) all has following features: have gap between electric rail (4) and electric rail (4), all there is gap between the end interfaces of the cavity volume (10) of 2 electric rails (4) and whippletree body (1), between electricity rail (4) and whippletree body (1) fulcrum vertical line, there is interval, between two electric rails (4), the both ends open in gap moves towards and whippletree body (1), the arm of force direction of the gravity seesaw that supporting mass (2) is formed jointly is consistent, all there is gap between the side interface of the cavity volume (10) of two electric rails (4) and whippletree body (1), very close to each other between the bottom surface of the cavity volume (10) of electricity rail (4) and whippletree body (1),
1 electric rail (4) is externally connected to Y+ via connector (3), and 1 electric rail (4) is externally connected to Y-via connector (3);
Magnet (5,51) magnetic field line trend with gravity vertical move towards close, one end being mounted to right electric rail (4) passing through the cavity volume (10) of the whippletree body (1) at electric rail (4) place of the magnetic field line of magnet (5,51);
Connector (3) is elastomeric spiral conducting line;
Also comprise circuit module and head station; Circuit module is that electricity is connected with a pair electric rail; Communicated by wireless telecommunications between circuit module with head station;
The cavity volume (10) of whippletree body (1) is the cavity of sealing;
Described electric rail (4) is made up of tungsten for tabular, and described conducting liquid (6) is mercury;
(12) are rotationally connected for sliding bearing structure between whippletree body (1), supporting mass (2);
Whippletree body (1) for rectangular-shaped, the cavity volume (10) of whippletree body (1) be rectangular shape;
As shown in A in Fig. 1, C1 is the magnetic field of magnet 5; i1 is the direction that Y+, Y-connect after-current; due to the interaction of current i 1 and magnetic field C1; conducting liquid 6 can receive the motive force in K1 direction; when the size of current i 1 acquires a certain degree, conducting liquid 6 can cross the vertical line of gravity seesaw; thus change the poised state of gravity seesaw, and finally become state shown in Fig. 2 thus make switch disconnect the object reaching protection circuit.
As shown in A in Fig. 2, C2 is the magnetic field of magnet 51; i2 is the direction that X+, X-connect after-current; due to the interaction of current i 2 and magnetic field C2; conducting liquid 6 can receive the motive force in K1 direction; if conducting liquid 6 can cross the vertical line of gravity seesaw when the size of current i 2 acquires a certain degree; thus change the poised state of gravity seesaw, and finally become state shown in Fig. 1 thus reach the object connecting the circuit that circuit breaker is protected.
In Fig. 1,2,3, SW1 represents the on off operating mode of the equivalent switch of the paired electric rail of X+ and X-place passage, and SW2 represents the on off operating mode of the equivalent switch of the paired electric rail of Y+, Y-place passage.
In figure, GND is the earth point in circuit module.
Circuit module can obtain the state of circuit breaker by the structure of the equivalent switch be attached thereto; circuit module also can by applying current drives gravity seesaw upset (change poised state), thus make circuit breaker recover the state of ' connecting institute's protective circuit '.
Embodiment two,
On electricity passage between Y+ and Y-, a series connection diode, prevents wiring error.
Embodiment three,
The basis of embodiment 1 is revised, makes X+, X-also externally form electricity passage via connector.
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 modular design of the present invention, instead of the restriction to protection scope of the present invention.
Claims (9)
1. can be used for the mechanical type DC circuit breaker of electric power or electronic system, it is characterized in that: comprise whippletree body (1), supporting mass (2), connector (3), 2 to electric rail (4), magnet (5,51), conducting liquid (6);
Whippletree body (1) and supporting mass (2) are connected form gravity seesaw by being rotationally connected (12);
Whippletree body (1) has the cavity volume (10) for holding conducting liquid (6), the fulcrum vertical line of the gravity seesaw that cavity volume (10) is formed with supporting mass (2) jointly across whippletree body (1);
Conducting liquid (6) is loaded in the cavity volume (10) of whippletree body (1), and the volume of conducting liquid (6) is less than the dischargeable capacity of the cavity volume (10) of whippletree body (1);
The length of electricity rail (4) is less than the half of the lateral length of the cavity volume (10) of whippletree body (1);
2 pairs of electric rails (4) are installed in the cavity volume (10) of whippletree body (1), and 2 are installed on the two ends of the gravity seesaw that whippletree body (1) is formed with supporting mass (2) respectively to electric rail (4);
The installation of often pair of electric rail (4) all has following features: have gap between electric rail (4) and electric rail (4), all there is gap between the end interfaces of the cavity volume (10) of 2 electric rails (4) and whippletree body (1), between electricity rail (4) and whippletree body (1) fulcrum vertical line, there is interval, between two electric rails (4), the both ends open in gap moves towards and whippletree body (1), the arm of force direction of the gravity seesaw that supporting mass (2) is formed jointly is consistent, all there is gap between the side interface of the cavity volume (10) of two electric rails (4) and whippletree body (1), very close to each other between the bottom surface of the cavity volume (10) of electricity rail (4) and whippletree body (1),
At least one pair of electric rail (4) externally forms electricity passage via connector (3);
Magnet (5,51) magnetic field line trend with gravity vertical move towards close, the end being mounted to right electric rail (4) passing through the cavity volume (10) of the whippletree body (1) at electric rail (4) place of the magnetic field line of magnet (5,51);
Connector (3) is spiral conducting line;
Also comprise circuit module and head station; Circuit module is that electricity is connected with a pair electric rail; Communicated by wireless telecommunications between circuit module with head station.
2. can be used for the mechanical type DC circuit breaker of electric power or electronic system as claimed in claim 1, it is characterized in that: the cavity volume (10) of described whippletree body (1) is the cavity of sealing.
3. can be used for the mechanical type DC circuit breaker of electric power or electronic system as claimed in claim 1, it is characterized in that: described electric rail (4) is tabular.
4. can be used for the mechanical type DC circuit breaker of electric power or electronic system as claimed in claim 1, it is characterized in that: described conducting liquid (6) is liquid metal.
5. can be used for the mechanical type DC circuit breaker of electric power or electronic system as claimed in claim 1, it is characterized in that: described electric rail (4) is made up of tungsten for tabular, and described conducting liquid (6) is mercury.
6. can be used for the mechanical type DC circuit breaker of electric power or electronic system as claimed in claim 1, it is characterized in that: the volume of conducting liquid (6) is less than the dischargeable capacity half of the cavity volume (10) of whippletree body (1).
7. can be used for the mechanical type DC circuit breaker of electric power or electronic system as claimed in claim 1, it is characterized in that: described connector (3) is elastomeric spiral conducting line.
8. can be used for the mechanical type DC circuit breaker of electric power or electronic system as claimed in claim 1, it is characterized in that: described whippletree body (1) for rectangular-shaped, the cavity volume (10) of whippletree body (1) be rectangular shape.
9. an electric machinery, is characterized in that: have DC circuit breaker according to claim 1.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104867777A true CN104867777A (en) | 2015-08-26 |
| CN104867777B CN104867777B (en) | 2017-03-08 |
Family
ID=53913548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510331533.2A Withdrawn - After Issue 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104867777B (en) |
Citations (3)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1045296A2 (en) * | 1980-12-30 | 1983-09-30 | Предприятие П/Я В-8574 | Selector switch |
-
2015
- 2015-06-16 CN CN201510331533.2A patent/CN104867777B/en not_active Withdrawn - After Issue
Patent Citations (3)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104867777B (en) | 2017-03-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106716583B (en) | Direct current cutter | |
| CN103560037B (en) | A kind of load-break switch | |
| CN104319165B (en) | A kind of three station vacuum switches that adopt bridge switch to realize load-side external ground | |
| US11495957B2 (en) | Single-phase equipotential self-powered low-cost easy-to-install recloser | |
| CN208225797U (en) | A kind of outdoor high-voltage alternating-current vacuum breaker | |
| CN104867777A (en) | Mechanical DC circuit breaker for electrical or electronic systems, and electrical machinery | |
| CN204289138U (en) | Electromagnetic type power-off restoration switch | |
| CN105047465A (en) | Mechanical DC breaker applicable to electric or electronic systems and electric machine | |
| CN104851732A (en) | Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine | |
| CN104851733A (en) | Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine | |
| CN203026386U (en) | Safe high-voltage current direction converter | |
| CN104934255A (en) | Mechanical type DC breaker and electric machinery used for electric or electronic system | |
| CN104934253A (en) | DC breaker used for pushing magnetofluid of electric or electronic system | |
| CN1790579A (en) | Contact permanent-magnet proximity switch electric appliance | |
| CN106328422A (en) | DC breaker | |
| CN104934254A (en) | DC breaker used for pushing magnetofluid of electric or electronic system | |
| CN104810215A (en) | Mechanical direct current circuit breaker capable of being used in electricity or electronic systems and electric machine | |
| CN209804531U (en) | novel quick earthing switch | |
| CN106328421A (en) | Mechanical DC circuit breaker for power system | |
| CN104810213A (en) | Mechanical direct current circuit breaker capable of being used in electricity or electronic systems and electric machine | |
| CN104810212A (en) | Mechanical direct current circuit breaker capable of being used in electricity or electronic systems and electric machine | |
| CN104851737A (en) | Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine | |
| CN104810214A (en) | Mechanical direct current circuit breaker capable of being used in electricity or electronic systems and electric machine | |
| CN104851735A (en) | Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine | |
| CN104851736A (en) | Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| 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 |
Granted publication date: 20170308 Effective date of abandoning: 20181226 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170308 Effective date of abandoning: 20181226 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |