CN104810213A - Mechanical direct current circuit breaker capable of being used in electricity or electronic systems and electric machine - Google Patents
Mechanical direct current circuit breaker capable of being used in electricity or electronic systems and electric machine Download PDFInfo
- Publication number
- CN104810213A CN104810213A CN201510184815.4A CN201510184815A CN104810213A CN 104810213 A CN104810213 A CN 104810213A CN 201510184815 A CN201510184815 A CN 201510184815A CN 104810213 A CN104810213 A CN 104810213A
- Authority
- CN
- China
- Prior art keywords
- whippletree body
- cavity volume
- circuit breaker
- electric
- 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.)
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
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- Breakers (AREA)
Abstract
A mechanical direct current circuit breaker capable of being used in electricity or electronic systems comprises a transverse bar (1), a support member (2), a connector (3), two electric rails (4), a magnet (5) and conductive liquid (6). An electric machine is provided with the direct current circuit breaker. The mechanical direct current circuit breaker capable of being used in the electricity or electronic systems and the electric machine are long in 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 electric rails (4), magnet (5), 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);
The fulcrum of the cavity volume (10) being arranged on whippletree body (1) that 2 electric rails (4) are paired is one-sided, between electricity rail (4) and electric rail (4), there is gap, 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),
Electricity rail (4) externally forms electricity passage via connector (3);
Magnet (5) 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);
Connector (3) is spiral conducting line.
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, is characterized in that: 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;
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.
Pincers
Fig. 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.
Fig. 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.
It makes
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, comprise whippletree body (1), supporting mass (2), connector (3), 2 electric rails (4), magnet (5), 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 fulcrum of the cavity volume (10) being arranged on whippletree body (1) that 2 electric rails (4) are paired is one-sided, between electricity rail (4) and electric rail (4), there is gap, 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) 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 elastomeric spiral conducting line;
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.
Embodiment two,
On electricity passage between Y+ and Y-, a series connection diode, prevents wiring error.
Embodiment three,
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 electric rails (4), magnet (5), 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);
The fulcrum of the cavity volume (10) being arranged on whippletree body (1) that 2 electric rails (4) are paired is one-sided, between electricity rail (4) and electric rail (4), there is gap, 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),
Electricity rail (4) externally forms electricity passage via connector (3);
Magnet (5) 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);
Connector (3) is spiral conducting line.
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 |
|---|---|---|---|
| CN201510184815.4A CN104810213A (en) | 2015-04-17 | 2015-04-17 | Mechanical direct current circuit breaker capable of being used in electricity or electronic systems and electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510184815.4A CN104810213A (en) | 2015-04-17 | 2015-04-17 | Mechanical direct current circuit breaker capable of being used in electricity or electronic systems and electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104810213A true CN104810213A (en) | 2015-07-29 |
Family
ID=53694961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510184815.4A Pending CN104810213A (en) | 2015-04-17 | 2015-04-17 | Mechanical direct current circuit breaker capable of being used in electricity or electronic systems and electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104810213A (en) |
Citations (6)
| 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 |
| CS237774B1 (en) * | 1980-12-30 | 1985-10-16 | Adomas A Tirva | Change-over switch |
| US4638274A (en) * | 1986-03-06 | 1987-01-20 | At&T Bell Laboratories | Relay switch apparatus |
| US20040201314A1 (en) * | 2003-04-14 | 2004-10-14 | Wong Marvin Glenn | 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 |
-
2015
- 2015-04-17 CN CN201510184815.4A patent/CN104810213A/en active Pending
Patent Citations (6)
| 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 |
| CS237774B1 (en) * | 1980-12-30 | 1985-10-16 | Adomas A Tirva | Change-over switch |
| US4638274A (en) * | 1986-03-06 | 1987-01-20 | At&T Bell Laboratories | Relay switch apparatus |
| US20040201314A1 (en) * | 2003-04-14 | 2004-10-14 | Wong Marvin Glenn | 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 |
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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: Shen Genrong Inventor after: Liu Wei Inventor after: Zhu Mingde Inventor after: Other inventor requests not to publish the name Inventor before: Shen Genrong |
|
| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150729 |
|
| RJ01 | Rejection of invention patent application after publication |