CN1708819A - Gas insulation opening/closing apparatus - Google Patents
Gas insulation opening/closing apparatus Download PDFInfo
- Publication number
- CN1708819A CN1708819A CN02830029.7A CN02830029A CN1708819A CN 1708819 A CN1708819 A CN 1708819A CN 02830029 A CN02830029 A CN 02830029A CN 1708819 A CN1708819 A CN 1708819A
- Authority
- CN
- China
- Prior art keywords
- vacuum valve
- gas
- movable piece
- extension rod
- output shaft
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/022—Details particular to three-phase circuit breakers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Gas-Insulated Switchgears (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A gas insulation opening/closing apparatus includes a vacuum valve. The vacuum valve has a vacuum vessel maintaining vacuum inside, a fixed electrode and a movable electrode arranged in the vacuum vessel. The movable electrode is arranged in such a manner that it can move toward/from the fixed electrode. The vacuum valve conducts and cuts off current to a bus connected to the fixed electrode and the movable electrode which are connected and disconnected to/from each other. The gas insulation opening/closing apparatus further includes a gas sealing vessel containing an insulation gas and the vacuum valve and an extension rod having one end connected to the movable electrode and the other extending outside the gas sealing vessel. Furthermore, the gas insulation opening/closing apparatus includes an electromagnetic operation mechanism having an output shaft arranged outside the gas sealing vessel, connected to the other end of the extension rod, and operated by an electric signal from outside, and having electromagnetic coils for driving the output shaft by the electromagnetic force so as to open/close the vacuum valve.
Description
Technical field
The present invention relates to gas insulation opening and closing arrangement, especially relate to the gas insulation opening and closing arrangement that in the gas sealed container of enclosing insulating properties gas, is provided with a plurality of vacuum valves.
Background technology
In the past, the float electrode that has fixed electrode and move towards this fixed electrode advance and retreat in vacuum tank, was separated the vacuum valve of connecting, interdicting with to electric current at the contact by fixed electrode and float electrode, was housed in and had enclosed SF
6In the traditional gas insulation opening and closing arrangement in the gas sealed container of insulating properties gas, the float electrode of vacuum valve (for example is connected to manual action bars by the operating physical force transmission mechanism that is made of lever, connecting rod, connecting axle etc., with reference to Japanese patent laid-open 02-257536 communique (1-2 page or leaf, Fig. 2)).
In addition, for example in the gas insulation opening and closing arrangement in the past that uses in the three-phase alternating current breaker, generally have 3 vacuum valves, these 3 vacuum valves are disposed side by side, the float electrode that setting comprises each vacuum valve connects the connecting axle of usefulness at interior interlinked mechanism, make these 3 vacuum valves move (for example, opening the 2000-283320 communique) simultaneously with reference to the Japan Patent spy.
In such gas insulation opening and closing arrangement, float electrode at vacuum valve connects in the wall and outwardly directed part of gas sealed container, between the wall of float electrode and gas sealed container, under the situation that the advance and retreat that do not hinder float electrode move, make and be sealed into purpose between the two and (for example be provided with bellows, with reference to Japanese patent laid-open 02-257536 communique (1-2 page or leaf, Fig. 2)).
In traditional gas insulation opening and closing arrangement of this spline structure, because being arranged, the operating physical force transmission mechanism that is made of the lever that is connected with the float electrode of vacuum valve, connecting rod, connecting axle etc. can't make equipment miniaturization, and, such operating physical force transmission mechanism is big in the energy loss of the linking part of each operating physical force transmission member, but also will add the frictional force that rotating member produced such as connecting rod, so there is the low problem of energy efficiency of the operating physical force that transmits.
In addition, for the purpose that float electrode is sealed on every side, in the traditional gas insulation opening and closing arrangement that uses bellows, the bellows fragility, especially very weak to the power of direction of twist, assemble necessary exactissima diligentia when regulating, there is the problem of operation difference.
Summary of the invention
The present invention makes in order to address the above problem, and its purpose is, provides a kind of and can realize small-sized, lightweight, and reduce the energy loss of operating physical force, even use the structure of bellows, also can improve the gas insulation opening and closing arrangement of assembling operation.
Gas insulation opening and closing arrangement of the present invention has vacuum valve, and this vacuum valve has the inner vacuum tank and the fixed electrode and the float electrode that are provided in this vacuum tank that keeps vacuum, and float electrode is arranged to and can be moved towards the fixed electrode advance and retreat.Vacuum valve is by the contact separation of fixed electrode and float electrode, carries out connection, the blocking of electric current with respect to the bus that is electrically connected with both.Gas insulation opening and closing arrangement also comprises: enclose insulating properties gas, accommodate the gas sealed container of vacuum valve; The extension rod that one end is connected with float electrode, the other end stretches out to the outside of gas sealed container.And, also have electromagnetic operating mechanism, this electromagnetic operating mechanism has: be provided in gas sealed container outer, the output shaft by moving from the electric signal of outside, be connected with the other end of extension rod; And drive this output shaft, solenoid so that vacuum valve is opened and closed by electromagnetic force.Therefore, can cut down the operating physical force transmission mechanism that is connected with the float electrode of vacuum valve, the lever by in the past, connecting rod, connecting axle etc. constitute, but the miniaturization of implement device, lightweight.In addition, there is not energy loss at the linking part of each operating physical force transmission member, and, the frictional force that does not have rotating member such as connecting rod to produce, thereby can transmit operating physical force efficiently, can make the high device of energy efficiency of operating physical force.
Description of drawings
Fig. 1 is the cutaway view of the embodiment of expression gas insulation opening and closing arrangement of the present invention.
Fig. 2 is the detailed stereogram of bellows of the gas insulation opening and closing arrangement of presentation graphs 1.
Embodiment
[embodiment 1]
Fig. 1 represents the cutaway view of gas insulation opening and closing arrangement 100 of the present invention.Gas insulation opening and closing arrangement 100 has the vacuum valve 1 that carries out electric current connection, blocking.Vacuum valve 1 has the vacuum tank 2 that the round-ended cylinder shape is arranged.In this vacuum tank 2, contain fixed electrode 3 and float electrode 4.Fixed electrode 3 is fixed on the sidewall 2a of a side of vacuum tank 2.Fixed electrode 3 is electrically connected with not shown main circuit bus.
Relatively be equipped with float electrode 4 with fixed electrode 3.Float electrode 4 be arranged to connect vacuum tank 2 opposite side sidewall 2b and can advance and retreat and move freely.Part in the perforation float electrode 4 of sidewall 2b is provided with bellows 5.Bellows 5 seals the sidewall 2b of float electrode 4 with vacuum tank 2 elastically.The inside of vacuum tank 2 keeps vacuum state, and the electric arc that produces when making blocking spreads as early as possible with extinguishing arc.
The outside of gas sealed container 10 is provided with electromagnetic operating mechanism 12.Electromagnetic operating mechanism 12 is by 2 supporting members, 15 supportings of extending from substrate 11.Electromagnetic operating mechanism 12 at first has permanent magnet 16 cylindraceous at central portion.In vacuum valve 1 side of permanent magnet 16, form the 1st solenoid 18 set as one man adjacent of ring-type with permanent magnet 16 central shafts.At the opposition side of permanent magnet 16, form the 2nd solenoid 19 set as one man adjacent of ring-type equally with permanent magnet 16 central shafts.Columned movable part 20 is arranged on the axis direction removable, thereby in the medium pore of permanent magnet the 16, the 1st solenoid 18 that the such arrangement of perforation sets and the 2nd solenoid 19.On the central shaft of movable piece 20, connect output shaft 21 and in addition affixed.
In addition, close vacuum valve 1 side at the 1st solenoid 18 is set up in parallel the 1st discoideus yoke 22 of slab.On the other hand, the opposition side at the vacuum valve 1 of the 2nd solenoid 19 is set up in parallel the 2nd discoideus yoke 23 of slab equally.Output shaft 21 connects the medium pore of the 1st yoke 22 and the 2nd yoke 23 and can advance and retreat and move freely.Movable piece the 20, the 1st yoke 22 and the 2nd yoke 23 are fabricated from iron respectively.
Electromagnetic operating mechanism 12 is configured on the same straight line with vacuum valve 1 and extension rod 9.The output shaft 21 of electromagnetic operating mechanism 12 is connected by length adjustment mechanism 24 with extension rod 9.Length adjustment mechanism 24 is the mechanisms of being carved with internal thread in the inboard of cylinder, and external screw thread and the two ends that are formed at each end of output shaft 21 and extension rod 9 are screwed.When extension rod 9 is rotated towards the direction of regulation with respect to length adjustment mechanism 24, then extension rod 9 moves axially with the form court of leaving output shaft 21, and thus, insulating bar 8 shortens with the distance of vacuum valve 1.In addition, extension rod 9 is rotated in the opposite direction with respect to this length adjustment mechanism 24, then output shaft 21 is near extension rod 9, its result, and insulating bar 8 enlarges with the distance of vacuum valve 1.
In addition, guide 25 cylindraceous is fixed on the extension opening 11a place of substrate 11 along the axis of extension rod 9.Extension rod 9 is axially slowly being slided by these guide 25 guiding.The periphery of guide 25 is provided with bellows 26.
Fig. 2 represents the detailed stereogram of bellows 26.Bellows 26 is by constituting with lower member, that is: snake abdomen pars contractilis 26a cylindraceous; Form and the external diameter flange part 26b that enlarge from open end towards the external diameter direction in the end of vacuum valve 1 side of this pars contractilis 26a; Internal diameter flange part 26c that form in the end of the opposition side of the vacuum valve 1 of this pars contractilis 26a and that narrow down towards the internal diameter direction.Bellows 26 is clamped in external diameter flange part 26b between pressing plate 27 and the substrate 11 to be fixed.Pressing plate 27 is fastened on the upright external screw thread of being located on the substrate 11 28 by nut 29.Extension rod 9 connects medium pore, and internal diameter flange part 26c seals gap between the two.That is, bellows 26 is arranged between the circumference of extension opening 11a of the peripheral part of extension rod 9 and gas sealed container 10, under the situation that the advance and retreat that do not hinder extension rod 9 move to sealing between the two, i.e. air seal.Snake abdomen pars contractilis 26a cylindraceous is stretched by minimum power.
Return Fig. 1, vacuum valve 1, connect pressing spring 6, insulating bar 8, card ends plate 7, electromagnetic operating mechanism 12, length adjustment mechanism 24 and bellows 26 and constitutes 1 switch module, gas insulation opening and closing arrangement 100 is set up in parallel 3 switch modules for three-phase alternating current is controlled.The electromagnetic operating mechanism 12 of being located at each switch module for example, opens and closes 3 vacuum valves 1 according to moving from the electric signal of outside simultaneously.Delicate time deviation between each vacuum valve 1 is regulated by length adjustment mechanism 24 as a kind of method.
Like this, the gas insulation opening and closing arrangement 100 of this embodiment, have electromagnetic operating mechanism 12 because this electromagnetic operating mechanism 12 has: be provided in gas sealed container 10 the outside, the output shaft 21 by moving from the electric signal of outside, be connected with the end of extension rod 9; And drive output shaft 21, the 1st, the 2nd solenoid 18,19 so that vacuum valve 1 is opened and closed by electromagnetic force, so the operating physical force transmission mechanism that can cut down that float electrode with vacuum valve 1 is 4 that be connected, the lever by in the past, connecting rod, connecting axle etc. constitutes, but the miniaturization of implement device, lightweight.In addition, the energy loss that did not in the past exist at the linking part of each operating physical force transmission member, and, the frictional force that does not have rotating member such as connecting rod to produce, thereby can transmit operating physical force efficiently, can make the high device of energy efficiency of operating physical force.
In addition, vacuum valve 1 is in order to be controlled three-phase alternating current and to be set up in parallel 3, relative therewith, because electromagnetic operating mechanism 12 is provided with 1 for each vacuum valve 1, so compare with structure in the past, can cut down the interlinked mechanism that makes 3 vacuum valve interlock action usefulness, the further miniaturization of energy implement device, lightweight.In addition,, further eliminate energy loss, can make the high device of energy efficiency by cut down the interlinked mechanism that existed in the past.And, by cut down the interlinked mechanism that existed in the past, might not be with vacuum valve 1 configuration arranged side by side as present embodiment, the layout freedom of vacuum valve 1 is so can reduce the restriction of device shape.
The axis of the axis of float electrode 4 and output shaft 21 is on the same straight line, no longer need the operating physical force transmission mechanism that in the past constituted by the lever that is connected with the float electrode 4 of vacuum valve 1, connecting rod, connecting axle etc., can the further miniaturization of implement device, lightweight.
And, extension rod 9 extends towards the outside from the extension opening 11a of the wall that is formed at gas sealed container 10, between the circumference of the extension opening 11a of the peripheral part of extension rod 9 and gas sealed container 10, be provided with bellows 26, its under the situation that the advance and retreat that do not hinder extension rod 9 move to sealing between the two, thereby realization air seal, so the resistance when extension rod 9 advance and retreat are mobile is very little, the deviation of the action of vacuum valve 1 reduces.And, as shown in this embodiment,, also can reduce the deviation of the action between each vacuum valve 1 for the structure that is provided with a plurality of vacuum valves 1.
Then explanation action.When the 1st solenoid 18 of electromagnetic operating mechanism 12 by the outside electric power of supplying with during excitation, the 1st solenoid 18 produces electromagnetic forces, by this electromagnetic attracting force movable piece 20.Thus, movable piece 20 moves towards the arrow A direction of Fig. 1.The attraction of the 1st solenoid 18 is pressed output shaft 21 towards vacuum valve 1 thruster, thus, the fixed contact 3a of vacuum valve 1 contacts with movable contact 4a, vacuum valve 1 closure.At this moment, connect the length that pressing spring 6 shrinks regulation, connect the pressure load what fixed contact 3a and movable contact 4a applied regulation.
When movable piece 20 during towards the make position side shifting, the end face of vacuum valve 1 side of movable piece 20 leaves small compartment of terrain near the 1st yoke 22.When movable piece 20 during near the 1st yoke 22, then form magnetic circuit by the paths that movable piece 20 to the 1st yokes 22 link to each other from permanent magnet 16, movable piece 20 is attracted by the 1st yoke 22 because of this magnetic circuit.This attraction is greater than the restoring force that connects pressing spring 6, so even the refusal of excitation of the 1st solenoid 18 after this, vacuum valve 1 also remains on closure state.
Relative therewith, when the 2nd solenoid 19 of electromagnetic operating mechanism 12 by the outside electric power of supplying with during excitation, the 2nd solenoid 19 produces electromagnetic forces, by this electromagnetic attracting force movable piece 20.Thus, movable piece 20 moves towards the arrow B direction of Fig. 1.The attraction of the 2nd solenoid 19 overcomes the attraction between movable piece 20 and the 1st yoke 22, output shaft 21 is spurred towards the opposition side with vacuum valve 1, at this moment, connect pressing spring 6 and ended the elongation that plate 7 is restricted to regulation by card, this elongation is shorter than the displacement of movable piece 20, thus, the fixed contact 3a of vacuum valve 1 separates with movable contact 4a, and vacuum valve 1 disconnects.
Like this, when movable piece 20 during towards the open position side shifting, the end face with opposition side vacuum valve 1 movable piece 20 leaves small compartment of terrain near the 2nd yoke 23.When movable piece 20 during near the 2nd yoke 23, then form magnetic circuit by the paths that movable piece 20 to the 2nd yokes 23 link to each other from permanent magnet 16, movable piece 20 is attracted by the 2nd yoke 23 because of this magnetic circuit.Therefore, after this, even the refusal of excitation of the 2nd solenoid 19, vacuum valve 1 also remains on off-state.By permanent magnet 16, movable piece the 20, the 1st yoke 22 and the 2nd yoke 23, utilize the magnetic force of permanent magnet 16 to constitute the permanent magnet holding device that vacuum valve 1 is remained on make position and these 2 positions of open position.
Like this, in the gas insulation opening and closing arrangement 100 of present embodiment, electromagnetic operating mechanism 12, by the float electrode 4 by 21 pairs of vacuum valves 1 of output shaft towards the 1st solenoid 18 of the make position side application of force, 2nd solenoid 19 of float electrode 4 towards the open position side application of force constituted, so no matter be that float electrode 4 with vacuum valve 1 is during towards the make position side shifting or towards the open position side shifting, all can make its action, thereby action is stable, can improve reliability by the electromagnetic force of solenoid 18,19.
Electromagnetic operating mechanism 12 has the permanent magnet holding device of output shaft 21 being done to remain in order to the float electrode 4 with vacuum valve 1 make position and these 2 positions of open position, so when movable electrode 4 being remained on make position and open position by permanent magnet 16, can constitute maintaining body simply, reduce the part number, reduce cost, can realize miniaturization simultaneously.
The permanent magnet holding device is owing to have: be fixed in the movable piece 20 on the output shaft 21; Permanent magnet 16 around this movable piece 20; Movable piece 20 is 20 approaching with movable piece during towards the make position side shifting, form the 1st yoke 22 of magnetic circuit with movable piece 20 and permanent magnet 16; Movable piece 20 is 20 approaching with movable piece during towards the open position side shifting, form the 2nd yoke 23 of magnetic circuit with movable piece 20 and permanent magnet 16, so as long as use 1 permanent magnet 16 just can constitute above-mentioned maintaining body, can reduce cost.
The control method of the length of the extension rod 9 during then, to the assembling of the gas insulation opening and closing arrangement 100 of present embodiment describes.Because be provided with length adjustment mechanism 24, so by the output shaft 21 of extension rod 9 with respect to electromagnetic operating mechanism 12 is rotated, can be with extension rod 9 with respect to output shaft 21 turnover.Thus, the distance of adjustable, insulating bar 8 and vacuum valve 1, its result, scalable fixed contact 3a and movable contact 4a leave distance.At this moment, when rotation extension rod 9, then be fixed in the also rotation together of bellows 26 of extension rod 9.Therefore, unscrew nut 29 in advance, make pressing plate 27 not have pressing force with respect to the external diameter flange 26b of bellows 26, bellows 26 can rotate freely like this, even fragile bellows 26 can not be out of shape yet.
That is, the bellows 26 of present embodiment is by constituting with lower member, that is: snake abdomen pars contractilis 26a cylindraceous; The side end of this pars contractilis 26a towards the internal diameter direction extend to form and with the affixed internal diameter flange part 26c of extension rod 9 sealings; The external diameter flange part 26b that extends to form towards the profile direction in the end of the opposite side of this pars contractilis 26a is clamped in the substrate 11 of the wall that is formed at gas sealed container 10 with this external diameter flange part 26b and is fastened between the pressing plate 27 on this substrate 11 and fixed.Therefore, the length that can regulate extension rod 9 under the non-warping situation of bellows 26 can not make bellows 26 distortion.
Between extension rod 9 and output shaft 21, be provided with length adjustment mechanism 24, so can easily regulate the distance between vacuum valve 1 and the electromagnetic operating mechanism 12, especially be provided with the such gas insulation opening and closing arrangement of present embodiment of a plurality of vacuum valves 1, can easily make between each vacuum valve 1 operate time unanimity operation.
[possibility of utilizing on the industry]
Gas insulation opening and closing arrangement of the present invention can be used as the gas in electric places such as being located at power station, electric substation The insulated switchgear device especially is best suited for for the gas insulated switch that three-phase alternating current is controlled Device.
Claims (9)
1. a gas insulation opening and closing arrangement is characterized in that, comprising:
Vacuum valve, the float electrode that this vacuum valve has the inner vacuum tank that keeps vacuum, be provided in the fixed electrode in this vacuum tank and be arranged to move towards these fixed electrode advance and retreat, this vacuum valve carries out connection, the blocking of electric current by the contact separation of described fixed electrode and described float electrode;
Enclose insulating properties gas, accommodate the gas sealed container of described vacuum valve;
One end and the extension rod that described float electrode is connected, the other end stretches out to the outside of gas sealed container;
Electromagnetic operating mechanism, its have be provided in described gas sealed container outer, drive the solenoid of described output shaft by the output shaft that moves from the electric signal of outside, be connected and by electromagnetic force so that described vacuum valve is opened and closed with the described other end of described extension rod.
2. gas insulation opening and closing arrangement as claimed in claim 1 is characterized in that, is provided with a plurality of described vacuum valves, and described electromagnetic operating mechanism is provided with 1 at each vacuum valve.
3. gas insulation opening and closing arrangement as claimed in claim 2 is characterized in that, the axis of described float electrode and the axis of described output shaft are on same straight line.
4. as each described gas insulation opening and closing arrangement in claim 1 or the claim 3, it is characterized in that,
Described extension rod extends towards the outside from the extension opening of the wall that is formed at described gas sealed container,
Between the circumference of the described extension opening of the peripheral part of described extension rod and described gas sealed container, be provided with bellows, its under the situation that the advance and retreat that do not hinder described extension rod move to sealing between the two.
5. gas insulation opening and closing arrangement as claimed in claim 4 is characterized in that, described bellows comprises:
Snake abdomen pars contractilis cylindraceous;
Extend to form and inside diameter and the affixed internal diameter flange part of described extension rod sealing towards the internal diameter direction from the end of a side of described pars contractilis;
The external diameter flange part that extends to form towards the profile direction from the end of the opposite side of described pars contractilis,
Described external diameter flange part is clamped in the wall of described gas sealed container and is fastened between the pressing plate on this wall and fixed.
6. gas insulation opening and closing arrangement as claimed in claim 1 is characterized in that, described electromagnetic operating mechanism comprises: by described output shaft to the described float electrode of described vacuum valve the 1st solenoid towards the make position side application of force; To 2nd solenoid of this float electrode towards the open position side application of force.
7. gas insulation opening and closing arrangement as claimed in claim 6, it is characterized in that, described electromagnetic operating mechanism also has the permanent magnet holding device of described output shaft being done to remain in order to the described float electrode with described vacuum valve make position and these 2 positions of open position.
8. gas insulation opening and closing arrangement as claimed in claim 7 is characterized in that, described permanent magnet holding device comprises:
Be fixed in the movable piece on the described output shaft;
Permanent magnet around this described movable piece;
Described movable piece is approaching with this movable piece during towards described make position side shifting, form magnetic circuit with this movable piece and described permanent magnet, this movable piece is remained on the 1st yoke of this make position;
Described movable piece is approaching with this movable piece during towards described open position side shifting, form magnetic circuit with this movable piece and described permanent magnet, this movable piece is remained on the 2nd yoke of this open position.
9. gas insulation opening and closing arrangement as claimed in claim 4 is characterized in that, is provided with length adjustment mechanism between described extension rod and described output shaft.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2002/013132 WO2004055850A1 (en) | 2002-12-16 | 2002-12-16 | Gas insulation opening/closing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1708819A true CN1708819A (en) | 2005-12-14 |
| CN100373514C CN100373514C (en) | 2008-03-05 |
Family
ID=32587946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB028300297A Expired - Fee Related CN100373514C (en) | 2002-12-16 | 2002-12-16 | Gas insulation opening/closing apparatus |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4555086B2 (en) |
| CN (1) | CN100373514C (en) |
| TW (1) | TW579534B (en) |
| WO (1) | WO2004055850A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219823A (en) * | 2013-03-22 | 2013-07-24 | 中国科学院长春光学精密机械与物理研究所 | Wheel rim driving type reaction flywheel |
| CN104143471A (en) * | 2014-08-09 | 2014-11-12 | 南京开关厂有限公司 | Full-sealed vacuum circuit breaker |
| CN111312554A (en) * | 2019-12-31 | 2020-06-19 | 平高集团有限公司 | Vacuum circuit breaker |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014209634A1 (en) * | 2014-05-21 | 2015-11-26 | Siemens Aktiengesellschaft | isolator assembly |
| DE102015203479A1 (en) * | 2015-02-26 | 2016-09-01 | General Electric Technology Gmbh | Drive device for an electrical switching device |
| EP3136414B1 (en) | 2015-08-31 | 2019-06-26 | ABB Schweiz AG | Gas-insulated medium voltage switchgear with a circuit breaker pole part arrangement |
| JP7353220B2 (en) * | 2020-03-06 | 2023-09-29 | 株式会社日立産機システム | Electromagnetic operated switchgear |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57164918U (en) * | 1981-04-14 | 1982-10-18 | ||
| JPS6021141U (en) * | 1983-07-05 | 1985-02-14 | 富士電機株式会社 | switch |
| JPH0479117A (en) * | 1990-07-19 | 1992-03-12 | Fuji Electric Co Ltd | Gas insulation switchgear |
| JP3078667B2 (en) * | 1992-10-09 | 2000-08-21 | エナジーサポート株式会社 | Gas switch |
| JP2992184B2 (en) * | 1993-03-08 | 1999-12-20 | 三菱電機株式会社 | Insulated operating rod |
| GB2299896B (en) * | 1995-04-11 | 2000-03-08 | Mckean Brian Ass Ltd | Improvements in and relating to permanent magnet bistable actuators |
| US5912604A (en) * | 1997-02-04 | 1999-06-15 | Abb Power T&D Company, Inc. | Molded pole automatic circuit recloser with bistable electromagnetic actuator |
| JP4409787B2 (en) * | 2001-05-01 | 2010-02-03 | 三菱電機株式会社 | Solid insulation switch |
-
2002
- 2002-12-16 WO PCT/JP2002/013132 patent/WO2004055850A1/en active Application Filing
- 2002-12-16 JP JP2004560567A patent/JP4555086B2/en not_active Expired - Fee Related
- 2002-12-16 CN CNB028300297A patent/CN100373514C/en not_active Expired - Fee Related
- 2002-12-19 TW TW091136612A patent/TW579534B/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219823A (en) * | 2013-03-22 | 2013-07-24 | 中国科学院长春光学精密机械与物理研究所 | Wheel rim driving type reaction flywheel |
| CN103219823B (en) * | 2013-03-22 | 2016-01-13 | 中国科学院长春光学精密机械与物理研究所 | A kind of wheel rim drive-type counteraction flyback |
| CN104143471A (en) * | 2014-08-09 | 2014-11-12 | 南京开关厂有限公司 | Full-sealed vacuum circuit breaker |
| CN111312554A (en) * | 2019-12-31 | 2020-06-19 | 平高集团有限公司 | Vacuum circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200411693A (en) | 2004-07-01 |
| TW579534B (en) | 2004-03-11 |
| WO2004055850A1 (en) | 2004-07-01 |
| JPWO2004055850A1 (en) | 2006-04-20 |
| CN100373514C (en) | 2008-03-05 |
| JP4555086B2 (en) | 2010-09-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1238878C (en) | Electromagnetic relay assembly with linear motor | |
| CN1068136C (en) | Circuit breaker | |
| CN101728096B (en) | High- or medium-voltage electrical switching apparatus with two switches comprising driving means shared with mobile contacts of switches | |
| US8791779B2 (en) | Fast switch with non-circular Thomson coil | |
| CN1941244A (en) | Gas circuit-breaker | |
| US8797128B2 (en) | Switch having two sets of contact elements and two drives | |
| US9208966B2 (en) | Switch | |
| US9299519B2 (en) | Switch | |
| US11152174B2 (en) | Dual thomson coil-actuated, double-bellows vacuum circuit interrupter | |
| CN1708819A (en) | Gas insulation opening/closing apparatus | |
| EP1548778A1 (en) | Vacuum switchgear system | |
| CN1722333A (en) | A medium voltage vacuum contactor | |
| CN109326483B (en) | Alternating-current high-voltage SF6 circuit breaker and permanent magnet operating mechanism thereof | |
| CN102280304A (en) | Moving contact assembly and intelligent electromagnetic isolation driving switch applying same | |
| CN1892955A (en) | Device for controlling the opening/closing operation of an electric switchgear | |
| CN1253908C (en) | Mixed breaker with drive unit | |
| US6770832B2 (en) | Vacuum electrical interrupter with pull-to-close mechanism | |
| CN1729548A (en) | Electromagnetic actuator | |
| CN1300441A (en) | Drive devices for interrupter units in power supply switching devices | |
| CN2502394Y (en) | External magnetic field change driving all enclosed on-off controller | |
| CN2577429Y (en) | Permanent-magnetic vacuum circuit breaker | |
| CN111799127B (en) | Direct-acting switch assembly and closed direct-acting switch device | |
| WO2021176751A1 (en) | Electromagnetic-operation-type switching device | |
| JPH0520979A (en) | Vacuum circuit breaker | |
| CN2488166Y (en) | Low-voltage vacuum circuit breaker with permanent magnetic operating mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CI01 | Publication of corrected invention patent application |
Correction item: Fourth inventor Correct: Yano Tomotaka False: Yano Tomotaka Number: 10 Page: 1254 Volume: 24 |
|
| CI03 | Correction of invention patent |
Correction item: Fourth inventor Correct: Yano Tomotaka False: Yano Tomotaka Number: 10 Page: The title page Volume: 24 |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: THE FOURTH INVENTOR; FROM: TINO TOMOTAKA TO: ZHIXIAO YANO |
|
| ERR | Gazette correction |
Free format text: CORRECT: THE FOURTH INVENTOR; FROM: TINO TOMOTAKA TO: ZHIXIAO YANO |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080305 Termination date: 20211216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |