CN104851736A - Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine - Google Patents
Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine Download PDFInfo
- Publication number
- CN104851736A CN104851736A CN201510185260.5A CN201510185260A CN104851736A CN 104851736 A CN104851736 A CN 104851736A CN 201510185260 A CN201510185260 A CN 201510185260A CN 104851736 A CN104851736 A CN 104851736A
- Authority
- CN
- China
- Prior art keywords
- whippletree body
- cavity volume
- electric
- 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
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
A mechanical-type direct current breaker applicable to an electric or electronic system comprises a crosswise bar body (1), a bearing body (2), a connector (3), two electric rails (4), a magnet (5) and a conducting liquid (6). An electrical machine is provided with the above direct current breaker. The direct current breaker and the electrical 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 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 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).
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 mercury slip ring.
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 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;
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); The two ends of touch sensor (2) are wired to link 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, and namely can to disconnect ' the signal of this information as the induced signal of disconnection action for exporting representative ' circuit breaker.
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 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).
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 mercury slip ring.
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 |
|---|---|---|---|
| CN201510185260.5A CN104851736A (en) | 2015-04-17 | 2015-04-17 | Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510185260.5A CN104851736A (en) | 2015-04-17 | 2015-04-17 | Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104851736A true CN104851736A (en) | 2015-08-19 |
Family
ID=53851305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510185260.5A Pending CN104851736A (en) | 2015-04-17 | 2015-04-17 | Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104851736A (en) |
Citations (6)
| 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 |
| CH653803A5 (en) * | 1980-12-30 | 1986-01-15 | Adomas Adomovich Tirva | LIQUID METAL KEY 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 |
| CN201868836U (en) * | 2010-10-19 | 2011-06-15 | 东北大学 | Dual-fluid self-restoration circuit breaking device using combined magnet |
| CN202067716U (en) * | 2011-05-12 | 2011-12-07 | 东北大学 | Double-fluid circuit breaker capable of realizing remote control by using electromagnet |
-
2015
- 2015-04-17 CN CN201510185260.5A patent/CN104851736A/en active Pending
Patent Citations (6)
| 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 |
| CH653803A5 (en) * | 1980-12-30 | 1986-01-15 | Adomas Adomovich Tirva | LIQUID METAL KEY 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 |
| CN201868836U (en) * | 2010-10-19 | 2011-06-15 | 东北大学 | Dual-fluid self-restoration circuit breaking device using combined magnet |
| CN202067716U (en) * | 2011-05-12 | 2011-12-07 | 东北大学 | Double-fluid circuit breaker capable of realizing remote control by using electromagnet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104319165B (en) | A kind of three station vacuum switches that adopt bridge switch to realize load-side external ground | |
| CN102592906B (en) | Medium-pressure and high-capacity DC circuit breaker contact terminal system for improving short time endurance capability | |
| CN103560037B (en) | A kind of load-break switch | |
| CN104798162B (en) | Arc runner component and circuit interrupter | |
| CN201590377U (en) | Magnetic microswitch | |
| CN104851733A (en) | Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine | |
| CN105390324A (en) | Power switch, power circuit and power system | |
| CN104851732A (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 | |
| CN104851734A (en) | Mechanical-type direct current breaker applicable to electric or electronic system and electrical machine | |
| CN103000465B (en) | Contact system of novel high-capacity medium-voltage direct current breaker | |
| CN204289138U (en) | Electromagnetic type power-off restoration switch | |
| CN104810214A (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 | |
| 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 | |
| CN104810213A (en) | Mechanical direct current circuit breaker capable of being used in electricity or electronic systems and electric machine | |
| CN104934255A (en) | Mechanical type DC breaker and electric machinery used for electric or electronic system | |
| CN203026386U (en) | Safe high-voltage current direction converter | |
| CN102522267A (en) | Low pressure contactor sliding contact structure employing contact pressure automatic adjustment | |
| CN104810212A (en) | Mechanical direct current circuit breaker capable of being used in electricity or electronic systems and electric machine | |
| CN202332741U (en) | Sliding contact structure realizing automatic adjustment on pressure of contact for low-pressure contactor | |
| CN105047465A (en) | Mechanical DC breaker applicable to electric or electronic systems and electric machine | |
| CN104934253A (en) | DC breaker used for pushing magnetofluid of electric or electronic system | |
| CN104851735A (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: 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150819 |