CN104934253A - DC breaker used for pushing magnetofluid of electric or electronic system - Google Patents
DC breaker used for pushing magnetofluid of electric or electronic system Download PDFInfo
- Publication number
- CN104934253A CN104934253A CN201510384981.9A CN201510384981A CN104934253A CN 104934253 A CN104934253 A CN 104934253A CN 201510384981 A CN201510384981 A CN 201510384981A CN 104934253 A CN104934253 A CN 104934253A
- Authority
- CN
- China
- Prior art keywords
- whippletree body
- electric
- cavity volume
- rail
- circuit breaker
- 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
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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
A DC breaker used for pushing magnetofluid of an electric or electronic system is characterized by including a transverse rod body (1), a supporter (2), a connector (3), two pairs of electric rails (4), magnets (5, 51) and conductive liquid (6), and also including a touch sensor (7) which is arranged in a position, where the touch sensor (7) can touch the transverse rod body (1) but will not prevent the transverse rod body (1) from rotating relative to the supporter (2), on the transverse rod body (1); and the breaker further includes a circuit module and a master bench, wherein the circuit module is electrically connected to the touch sensor (7) and one pair of electric rails, and the circuit module also communicates with the master bench through wireless communication. The DC breaker is long in service life, simple in structure and low in cost.
Description
Technical field
The invention belongs to electrical switch, particularly relate to a kind of DC circuit breaker that can be used for the promotion of the magnetic fluid of 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 slip ring;
Also comprise touch sensor (7), touch sensor (7) is arranged on whippletree body (1) and can touches but can not hinder the position that whippletree body (1) rotates relative to supporting mass (2);
Also comprise circuit module and head station; Circuit module is connected in electricity with touch sensor (7); Circuit module is that electricity is connected with a pair electric rail; Communicated by wireless telecommunications between circuit module with head station.
2, the DC circuit breaker that a kind of magnetic fluid that can be used for electric power or electronic system as described in technology contents 1 promotes, is characterized in that: the cavity volume (10) of described whippletree body (1) is the cavity of sealing.
3, the DC circuit breaker that a kind of magnetic fluid that can be used for electric power or electronic system as described in technology contents 1 promotes, is characterized in that: described electric rail (4) is tabular.
4, the DC circuit breaker that a kind of magnetic fluid that can be used for electric power or electronic system as described in technology contents 1 promotes, is characterized in that: described conducting liquid (6) is liquid metal.
5, the DC circuit breaker that the magnetic fluid that a kind of as described in technology contents 1 can be used for electric power or electronic system promotes, is characterized in that: described electric rail (4) is made up of tungsten for tabular, and described conducting liquid (6) is mercury.
6, the DC circuit breaker that a kind of magnetic fluid that can be used for electric power or electronic system as described in technology contents 1 promotes, is characterized in that: be rotationally connected (12) between whippletree body (1), supporting mass (2) comprise a ball or roller bearing.
7, the DC circuit breaker that a kind of magnetic fluid that can be used for electric power or electronic system as described in technology contents 1 promotes, is characterized in that: described connector (3) is mercury slip ring.
8, the DC circuit breaker that the magnetic fluid that a kind of as described in technology contents 1 can be used for electric power or electronic system promotes, 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 power equipment, device is characterised in that: the overcurrent protection DC circuit breaker described in technology contents 1 being used for direct current power circuit.
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;
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 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 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.
Accompanying drawing 3 is the system diagram of embodiment 1; when the DC circuit breaker of the embodiment 1 shown in Fig. 1,2 disconnects; circuit module can be transmitted report ' circuit breaker is disconnected ' this situation to head station by wireless telecommunications, and head station also can launch the information of ' connecting circuit breaker institute protection circuit ' to circuit module by radio communication.
concrete embodiment
Below in conjunction with embodiment, the present invention will be described.
Embodiment 1,
As shown in Figure 1-2, can be used for the mechanical type DC circuit breaker of electric power or electronic system, form primarily of whippletree body (1), supporting mass (2), connector (3), 2 electric rails (4), magnet (5), conducting liquids (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 fulcrum of the cavity volume (10) being arranged on whippletree body (1) that electricity rail (4) is paired is one-sided, gap between paired electric rail (4), between the end of paired electric rail (4) and the cavity volume (10) of whippletree body (1), there is gap, between paired electric rail (4) and whippletree body (1) fulcrum vertical line, there is interval, between paired electric rail (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, very close to each other between the bottom surface of paired electric rail (4) and the cavity volume (10) of whippletree body (1),
1 electric rail (4) is externally connected to link Y+ via connector (3), and 1 electric rail (4) is externally connected to link Y-via connector (3);
Magnet (5) 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);
Connector (3) is mercury slip ring;
Also comprise touch sensor (7), touch sensor (7) is arranged on whippletree body (1) and can touches but can not hinder the position that whippletree body (1) rotates relative to supporting mass (2).
Also comprise circuit module and head station; Circuit module is connected in electricity with touch sensor (7); 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;
Also comprise touch sensor (7), touch sensor (7) is arranged on whippletree body (1) and can touches but can not hinder the position that whippletree body (1) rotates relative to supporting mass (2);
Also comprise circuit module and head station; Circuit module is connected in electricity with touch sensor (7); Communicated by wireless telecommunications between circuit module with head station.
As shown in A in Fig. 1, C1 is the magnetic field of magnet 5; i1 is 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 the poised state of change gravity seesaw, and finally becomes state shown in Fig. 2 thus make switch disconnect the object reaching protection circuit.
As touch sensor (7) can be connected when Fig. 2 circuit breaker disconnects, thus part between S+, S-is connected; As shown in Figure 2, when circuit breaker disconnects, passage between S+, S-will be connected, can as the induced signal of disconnection action, namely for exporting the signal of representative ' circuit breaker disconnects ' this information.
As shown in A in Fig. 2, C2 is the magnetic field of magnet 51; i2 is 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, SW1 represents the on off operating mode of the equivalent switch of the paired electric rail of X+ and X-place passage, SW2 represents the on off operating mode of the equivalent switch of the paired electric rail of Y+, Y-place passage, SW3 represents the on off operating mode of the touch sensor (7) of S+, S-place passage
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 slip ring;
Also comprise touch sensor (7), touch sensor (7) is arranged on whippletree body (1) and can touches but can not hinder the position that whippletree body (1) rotates relative to supporting mass (2);
Also comprise circuit module and head station; Circuit module is connected in electricity with touch sensor (7); Circuit module is that electricity is connected with a pair electric rail; Communicated by wireless telecommunications between circuit module with head station.
2. the DC circuit breaker that promotes of a kind of magnetic fluid that can be used for electric power or electronic system as claimed in claim 1, is characterized in that: the cavity volume (10) of described whippletree body (1) be the cavity sealed.
3. the DC circuit breaker that promotes of a kind of magnetic fluid that can be used for electric power or electronic system as claimed in claim 1, is characterized in that: described electric rail (4) is tabular.
4. the DC circuit breaker that promotes of a kind of magnetic fluid that can be used for electric power or electronic system as claimed in claim 1, is characterized in that: described conducting liquid (6) is liquid metal.
5. the DC circuit breaker that promotes of a kind of magnetic fluid that can be used for electric power or electronic system as claimed in claim 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 DC circuit breaker that promotes of a kind of magnetic fluid that can be used for electric power or electronic system as claimed in claim 1, is characterized in that: be rotationally connected (12) between whippletree body (1), supporting mass (2) comprise a ball or roller bearing.
7. the DC circuit breaker that promotes of a kind of magnetic fluid that can be used for electric power or electronic system as claimed in claim 1, is characterized in that: described connector (3) is mercury slip ring.
8. the DC circuit breaker that promotes of a kind of magnetic fluid that can be used for electric power or electronic system as claimed in claim 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 power equipment, device is characterised in that: overcurrent protection DC circuit breaker according to claim 1 being used for direct current power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384981.9A CN104934253A (en) | 2015-07-05 | 2015-07-05 | DC breaker used for pushing magnetofluid of electric or electronic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510384981.9A CN104934253A (en) | 2015-07-05 | 2015-07-05 | DC breaker used for pushing magnetofluid of electric or electronic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104934253A true CN104934253A (en) | 2015-09-23 |
Family
ID=54121377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510384981.9A Pending CN104934253A (en) | 2015-07-05 | 2015-07-05 | DC breaker used for pushing magnetofluid of electric or electronic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104934253A (en) |
Citations (5)
| 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 |
| US3462573A (en) * | 1965-10-14 | 1969-08-19 | Westinghouse Electric Corp | Vacuum-type circuit interrupters using gallium or gallium alloys as bridging conducting material |
| CN1774782A (en) * | 2003-04-14 | 2006-05-17 | 安捷伦科技有限公司 | Wetting finger latching piezoelectric relay |
| CN201426033Y (en) * | 2009-06-03 | 2010-03-17 | 东北大学 | Self-recovery current limiting circuit break device by utilizing conductive fluid and magnetic fluid |
| CN201796792U (en) * | 2010-09-29 | 2011-04-13 | 程文杰 | Anti-tilting automatic power-off conductive device |
-
2015
- 2015-07-05 CN CN201510384981.9A patent/CN104934253A/en active Pending
Patent Citations (5)
| 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 |
| US3462573A (en) * | 1965-10-14 | 1969-08-19 | Westinghouse Electric Corp | Vacuum-type circuit interrupters using gallium or gallium alloys as bridging conducting material |
| CN1774782A (en) * | 2003-04-14 | 2006-05-17 | 安捷伦科技有限公司 | Wetting finger latching piezoelectric relay |
| CN201426033Y (en) * | 2009-06-03 | 2010-03-17 | 东北大学 | Self-recovery current limiting circuit break device by utilizing conductive fluid and magnetic fluid |
| CN201796792U (en) * | 2010-09-29 | 2011-04-13 | 程文杰 | Anti-tilting automatic power-off conductive device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150923 |