CN104810214A - 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
- CN104810214A CN104810214A CN201510185218.3A CN201510185218A CN104810214A CN 104810214 A CN104810214 A CN 104810214A CN 201510185218 A CN201510185218 A CN 201510185218A CN 104810214 A CN104810214 A CN 104810214A
- Authority
- CN
- China
- Prior art keywords
- whippletree body
- circuit breaker
- rail
- cavity volume
- electric
- 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
Links
- 230000005611 electricity Effects 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 230000005484 gravity Effects 0.000 claims description 20
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 11
- 230000032683 aging Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- H01H71/10—Operating or release mechanisms
-
- 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
Landscapes
- 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) and further comprises two electrodes mounted at the end at which the electric rails are not mounted, in a cavity of the transverse bar (1) to form a switch with the conductive liquid. An electric machine is provided with the direct current circuit breaker.
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 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, between electricity rail (4) and electric rail (4), there is gap, between the end of the cavity volume (10) of electricity rail (4) and whippletree body (1), there is gap, between electricity 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 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;
Also comprise the electrode that the end not installing electric rail in two cavity volumes being arranged on whippletree body (1) and conducting liquid form switch jointly.
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: be rotationally connected (12) between whippletree body (1), supporting mass (2) comprise a ball or roller bearing.
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, 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 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;
Also comprise the electrode that the end not installing electric rail in two cavity volumes being arranged on whippletree body (1) and conducting liquid form switch jointly; Two electrodes are wired to S+, S-.
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 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 shown in Figure 2, when circuit breaker disconnects (when the path of the SW2 representative between Y+, Y-disconnects), the path of the SW1 representative 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.
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 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, between electricity rail (4) and electric rail (4), there is gap, between the end of the cavity volume (10) of electricity rail (4) and whippletree body (1), there is gap, between electricity 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 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;
Also comprise the electrode that the end not installing electric rail in two cavity volumes being arranged on whippletree body (1) and conducting liquid form switch jointly.
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: be rotationally connected (12) between whippletree body (1), supporting mass (2) comprise a ball or roller bearing.
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 |
|---|---|---|---|
| CN201510185218.3A CN104810214A (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 |
|---|---|---|---|
| CN201510185218.3A CN104810214A (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 |
|---|---|
| CN104810214A true CN104810214A (en) | 2015-07-29 |
Family
ID=53694962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510185218.3A Pending CN104810214A (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) | CN104810214A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3462573A (en) * | 1965-10-14 | 1969-08-19 | Westinghouse Electric Corp | Vacuum-type circuit interrupters using gallium or gallium alloys as bridging conducting material |
| CN2545696Y (en) * | 2002-04-19 | 2003-04-16 | 吉林省达美实业有限责任公司电器设备制造厂 | Sheath type DC circuit breaker |
| CN1547228A (en) * | 2003-12-16 | 2004-11-17 | 昆明贵金属研究所 | Silver-based alloy electrical contact material and preparation method thereof |
| CN102779679A (en) * | 2012-07-24 | 2012-11-14 | 吉林省达美电器设备有限公司 | Circuit breaker |
| US20130134028A1 (en) * | 2011-11-30 | 2013-05-30 | General Electric Company | Electrical switch and circuit breaker |
-
2015
- 2015-04-17 CN CN201510185218.3A patent/CN104810214A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3462573A (en) * | 1965-10-14 | 1969-08-19 | Westinghouse Electric Corp | Vacuum-type circuit interrupters using gallium or gallium alloys as bridging conducting material |
| CN2545696Y (en) * | 2002-04-19 | 2003-04-16 | 吉林省达美实业有限责任公司电器设备制造厂 | Sheath type DC circuit breaker |
| CN1547228A (en) * | 2003-12-16 | 2004-11-17 | 昆明贵金属研究所 | Silver-based alloy electrical contact material and preparation method thereof |
| US20130134028A1 (en) * | 2011-11-30 | 2013-05-30 | General Electric Company | Electrical switch and circuit breaker |
| CN102779679A (en) * | 2012-07-24 | 2012-11-14 | 吉林省达美电器设备有限公司 | Circuit breaker |
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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 |