CN104103451B - A kind of modular permanent-magnet breaker - Google Patents
A kind of modular permanent-magnet breaker Download PDFInfo
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- CN104103451B CN104103451B CN201410377866.4A CN201410377866A CN104103451B CN 104103451 B CN104103451 B CN 104103451B CN 201410377866 A CN201410377866 A CN 201410377866A CN 104103451 B CN104103451 B CN 104103451B
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Abstract
The invention relates to field of circuit breakers, a kind of modular permanent-magnet breaker is specifically disclosed, comprise housing, in housing, be provided with successively from top to bottom three accommodating cavities, in each accommodating cavity, be equipped with vacuum tube and permanent magnetic device, the inside of vacuum tube has the moving contact and the static contact that are oppositely arranged, the bar portion of moving contact extends vacuum tube one outside and is connected with permanent magnetic device by bindiny mechanism, the bar portion of static contact extends another outside of vacuum tube and extends to the input of housing one outside as vacuum tube, the bar portion that is positioned at the static contact of accommodating cavity is provided with current transformer, stretch out in the bar portion of moving contact in vacuum tube one outside and be connected with conducting block, conducting block is connected with the output of vacuum tube by conductive strips, output extends to the hull outside with input homonymy, the invention makes circuit breaker modularized, there is volume little, simple in structure, safeguard and change conveniently, trouble point is the advantage of investigation easily.
Description
Technical field
The invention relates to breaker technical field, is specifically related to a kind of modular permanent-magnet breaker.
Background technology
Breaker refers to the electric current that can close, carry and cut-off under normal loop condition and can close, in official hour, holdCarry and cut-off the switching device of the electric current under abnormal loop condition, power circuit and motor etc. are carried out to protection, when they occurCan automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage, its function is equivalent to Fuse switch and crosses underheatThe combination of relay etc. And after disjunction fault current, generally do not need to change parts. At present, obtained and widely shouldWith. Breaker is divided into primary cut-out by its scope of application, and low-voltage circuit breaker, and high-low pressure identification of boundaries is fuzzyyer, generalBy the High-Voltage Electrical Appliances that are called more than 3kV, and current existing breaker is generally to adopt an electromagnetism sheet iron strip three-phase (individual) vacuumThe version of pipe, its principle is electromagnetic actuation, driving mechanical transmission mechanism is realized closing point of dynamic and static contact in vacuum tube.And the adhesive of electromagnet need to realize by the control of electronic product, breaker structure complexity of the prior art, produces with electronicsAfter product assemblings, circuit is more, and trouble point is also many, and volume is also larger, thus maintenance to look into fault more difficult, change breaker or first devicePart is more loaded down with trivial details, vacuum tube and closing of main circuit grand with separate difficulty especially.
Summary of the invention
The problem and shortage existing in order to solve prior art, the invention provides a kind of modular permanent-magnet breaker, adopts threeIndividual permanent magnetic device directly drives the closing point of dynamic/static contact of three vacuum tubes, realizes combined floodgate and the separating brake of breaker, makes breaker mouldBlocking, reaches volume little, simple in structure, safeguards and changes conveniently, and trouble point is the advantage of investigation easily.
In order to achieve the above object, the invention realizes by the following technical solutions:
A kind of modular permanent-magnet breaker, comprises housing, is provided with successively from top to bottom three accommodating cavities, each accommodating cavity in housingInside be equipped with vacuum tube and permanent magnetic device, the inside of vacuum tube has the moving contact and the static contact that are oppositely arranged, the bar portion of moving contactExtend vacuum tube one outside and be connected with permanent magnetic device by bindiny mechanism, the bar portion of static contact extends outside another of vacuum tubeSide also extends to the input of housing one outside as vacuum tube, and the bar portion that is positioned at the static contact of accommodating cavity is provided with Current Mutual InductanceDevice, stretches out in the bar portion of moving contact in vacuum tube one outside and is connected with conducting block, and conducting block is by the output of conductive strips and vacuum tubeConnect, output extends to housing one outside with input homonymy.
Described modular permanent-magnet breaker, described permanent magnetic device has tubular body, and the intrinsic side of tubular is provided with coil,Tubular body has one end of coil and establishes line outlet I, and the position that opposite side and coil are adjacent is provided with permanent magnet, has one of coilSide is provided with Dong Tie mechanism, and a side with permanent magnet is provided with Jing Tie mechanism, and Dong Tie mechanism has moved end lid and joins with moved end lidMoving iron prop, moving iron prop is placed in coil, and moved end lid is located at the outside of tubular body, in moving iron prop, is provided with cavity I, Jing Tie mechanismThe quiet iron prop that there is quiet end cap and join with quiet end cap, quiet iron prop is placed in the inner side of permanent magnet, quiet end cap be located at tubular body outsideSide, is provided with cavity II in quiet iron prop, be respectively equipped with through hole I and through hole II, cavity on the axial line of Dong Tie mechanism and Jing Tie mechanismBetween I and cavity II, be provided with spring, two ends have the middle not threaded power transmission screw of tool of screw thread successively through through hole I,Spring and through hole II, one end of power transmission screw is positioned at the outside of through hole I and passes through fastening nuts, the other end and bindiny mechanismConnect.
Described modular permanent-magnet breaker, described coil is unicoil.
Described modular permanent-magnet breaker, is provided with spring I and spring II, outside spring I between described cavity I and cavity IIFootpath is greater than the external diameter of spring II.
Described modular permanent-magnet breaker, described bindiny mechanism has bolt, insulating part and adpting flange, the head embedding of boltIn a side of insulating part, the bar portion of bolt is connected with the bar portion of moving contact through conducting block, and the head part of adpting flange is embedded in absolutelyThe opposite side of edge part, the post portion central shaft of adpting flange is provided with screw, and the post portion of adpting flange inserts in through hole II and and powerThe other end of drive screw connects.
Described modular permanent-magnet breaker, the bar portion of described bolt is also provided with packing ring, and packing ring is between insulating part and conducting block.
Described modular permanent-magnet breaker, described input and output, for conduction column, are crisscross arranged in a side of housing.
Described modular permanent-magnet breaker, is positioned at the position that current transformer is corresponding and is provided with line outlet II on described housing, be positioned atThe position that conductive strips are corresponding with output junction is provided with line outlet III, is positioned at position corresponding to line outlet I and is provided with line outlet IV.
Described modular permanent-magnet breaker, the outer wall of described housing is provided with cavity, and several grooves that communicate with cavity, outletMouth II, III and IV are arranged in groove, are provided with terminal plate in cavity, and the electric wire of drawing from coil is through line outlet I and IV and terminal plateConnect, the electric wire of drawing from current transformer is connected with terminal plate through line outlet II, draws from conductive strips and output junctionHigh-tension bus-bar is connected with terminal plate through line outlet III.
The invention compared with prior art has following beneficial effect:
1, the invention modular permanent-magnet breaker has omitted mechanical transmission mechanism of the prior art, adopts three permanent magnetic devicesDirectly drive vacuum tube to realize combined floodgate and the separating brake of breaker, and three permanent magnetic devices and three vacuum tubes are all placed in housing, makeThis circuit breaker modularized, thereby it is little to reach volume, object simple in structure, easy to maintenance, the modular of another the inventionPermanent-magnet breaker adopts permanent magnetic device, and the withstand voltage 25KV that reaches, has solved breaker in prior art and coordinated with electronic controllerDo not reach the defect of withstand voltage 25KV. In modular permanent-magnet breaker, vacuum tube of a permanent magnetic device control is one group, totally threeGroup, and every group be all to form respectively. Realize the large current zero disjunction of vacuum tube with three permanent magnetic devices of Electronic Control. Solve trueBlank pipe is in the time of main circuit phase fault, and large electric current disjunction generation electric arc makes the phenomenon of the dynamic/static contact melting welding of vacuum tube.
2, in the invention modular permanent-magnet breaker, the input of vacuum tube and output all adopt conduction column, and all arrangeIn a side of housing, make can to realize vacuum tube and being connected of main circuit plug-in and connect, facilitate vacuum tube and main circuitSeparate and close up, realizing the object of quick-replaceable breaker.
3, in the invention modular permanent-magnet breaker, bindiny mechanism adopts insulation bindiny mechanism, not only protects permanent magnetic device,Reduce the probability of damage of permanent magnetic device, and greatly eliminated in permanent magnetic device, main circuit is crosstalked to control circuit, has improvedThe stability of switchgear.
4, the invention modular permanent-magnet breaker, electric current is electric power system in 1500A, and voltage is from 380V to 3300VCan adopt this module breaker. If be used in explosion-proof occasion, owing to will doing flameproof enclosure, modular circuit breaker can with controlDevice is made disjunctor, and contacts without line between module rack, and the plug push-and-pull between complete independently and main circuit adopts with explosion-proof shellMechanical latching, before opening the door, 6 of breaker contacts are all separated from backbone, and not charged work, ensures personal safety.
5, the invention modular permanent-magnet breaker, conforms to concerned countries standard completely, after circuit breaker modularized, at volume andWeight aspect is able to very large improvement. For example same 630A or 1000A breaker, in switch assembly, are original breakersThe half left and right of switch assembly volume and weight. Easy to maintenance, because external wireless road connects, in the time changing breaker, directly getGo out, time saving and energy saving. Because three-phase is used respectively three permanent magnetic device controls, alternate 120 degree that differ, can make and divide zero pointDisconnected (sinusoidal wave zero point), contact arcing damage and the adhesion phenomenon of protection vacuum tube.
6, the coil of permanent magnet has single and double coil, coil in the invention adopts unicoil, changes coil when on/off switchBoth positive and negative polarity "on" position, namely changes Movement in Magnetic Field direction, and the positive and negative motion of Shi Dong iron mechanism drives power transmission screw motion,Control closing point of vacuum tube.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of modular permanent-magnet breaker of the invention.
Fig. 2 is the internal structure schematic diagram of opening after the housing of a kind of modular permanent-magnet breaker shown in Fig. 1.
Fig. 3 is the left view shown in Fig. 2.
Fig. 4 is that in a kind of modular permanent-magnet breaker of the invention, a permanent magnetic device shows with a kind of structure being connected of vacuum tubeIntention.
Fig. 5 is the cutaway view of structure shown in Fig. 4.
Fig. 6 is the schematic diagram that the enclosure interior of a kind of modular permanent-magnet breaker of the invention is provided with line outlet.
Fig. 7 is the outside schematic diagram of housing shown in Fig. 6.
Wherein, 1-housing, 2-permanent magnetic device, 3-vacuum tube, 31-moving contact, 32-static contact, 4-bindiny mechanism, 41-bolt,The head of 411-bolt, the bar portion of 412-bolt, 42-adpting flange, the head of 421-adpting flange, the post portion of 422-adpting flange,43-insulating part, 5-input, 6-output, 7-conducting block, 8-Jing Tie mechanism, the quiet end cap of 81-, the quiet iron prop of 82-, 83-cavityII, 84-through hole II, 9-Dong Tie mechanism, 91-moved end lid, 92-moves iron prop, 93-cavity I, 94-through hole I, 10-line outlet I,11-coil, 12-permanent magnet, 13-spring II, 14-spring I, 15-power transmission screw, 16-nut, 17-tubular body, 18-Current transformer, 19-line outlet III, 20-line outlet II, 21-line outlet IV, 22-cavity, 23-groove, 24-terminal plate.
Detailed description of the invention
As shown in Fig. 1-7, a kind of modular permanent-magnet breaker, comprises housing 1, is provided with successively from top to bottom three appearances in housing 1Put chamber, in each accommodating cavity, be equipped with vacuum tube 3 and permanent magnetic device 2, the shape of accommodating cavity respectively with its vacuum tube 3 holdingMatch with the profile of permanent magnetic device 2, vacuum tube 3 and permanent magnetic device 2 can be fixed in the accommodating cavity at its place, trueThe inside of blank pipe 3 has moving contact 31 and static contact 32, and the bar portion of moving contact 31 extends vacuum tube 3 one outsides and passes through evenConnection mechanism 4 is connected with permanent magnetic device 2, and the bar portion of static contact 32 extends another outside of vacuum tube 3 and extends to housing 1 oneOutside is as the input 5 of vacuum tube 3, and the bar portion that is positioned at the static contact 32 of accommodating cavity is provided with current transformer 18, stretches outIn the bar portion of the moving contact 31 in vacuum tube 3 one outsides, be connected with conducting block 7, conducting block 7 is by the output of conductive strips and vacuum tube 3End 6 connects, and output 6 extends to housing 1 outside with input 5 homonymies. Input 5 is conduction column with output 6,A side at housing 1 is crisscross arranged, and forms double contact, reaches and main circuit combination and the object of separating fast. On housing 1The position that is positioned at current transformer 18 correspondences is provided with line outlet II 20, is positioned at the position that conductive strips are corresponding with output 5 junctions and establishesThere is line outlet III 19, be positioned at the position that permanent magnetic device is corresponding and be provided with line outlet IV 21. The outer wall of housing 1 is provided with cavity 22, and numberThe groove 23 that bar communicates with cavity 22, line outlet II 20, III 19 and IV 21 are arranged in groove 23, in cavity 22, are provided with wiringPlate 24, the electric wire extracting from current transformer 18, conductive strips and input 5 junctions and permanent magnetic device 2 is respectively by recessedGroove 23 is connected on terminal plate 24.
Permanent magnetic device 2 has tubular body 17, and the side in tubular body 17 is provided with coil 11 and line outlet I 10, coil 11For unicoil 11, the power line of coil 11 stretches out from line outlet I 10, and appearance mouth IV 21 on housing 1 is drawn out to housingOutside 1, be connected on terminal plate 24 at the groove 23 along corresponding with it. The position that opposite side is adjacent with coil 11 is provided with permanent magnetismIron 12, a side with coil 11 is provided with Dong Tie mechanism 9, and a side with permanent magnet 12 is provided with Jing Tie mechanism 8, moving iron machineStructure 9 has moved end lid 91 and covers the 91 moving iron props 92 that join with moved end, and moving iron prop 92 is placed in coil 11, moved end lid 92Be located at the outside of tubular body 17, in moving iron prop 92, be provided with cavity I 93, Jing Tie mechanism 8 have quiet end cap 81 and with quiet end capThe 81 quiet iron props 82 that join, quiet iron prop 82 is placed in the inner side of permanent magnet 12, and quiet end cap 81 is located at the outside of tubular body 17,In quiet iron prop 82, be provided with cavity II 83, on the axial line of Dong Tie mechanism 9 and Jing Tie mechanism 8, be respectively equipped with through hole I 94 and through holeII 84, as shown in Figure 4, is provided with spring I 14 and spring II 13, the diameter of spring I 14 between cavity I 93 and cavity II 83Be greater than the diameter of spring II 13, spring I 14 is enclosed within the outside of spring II 13, and in the middle of TBE (threaded both ends), not threaded power passesMoving screw rod 15 is successively through through hole I 94, spring II 13 and through hole II 84, and one end of power transmission screw 15 is positioned at through hole I 94Outside fastening by nut 16, the other end is connected with bindiny mechanism 4, the opening apart from the stroke of Ji Dong iron mechanism 9 of breaker,Can regulate by the precession of nut 16 and back-out.
Bindiny mechanism 4 has bolt 41, insulating part 43 and adpting flange 42, and the head 411 of bolt is embedded in one of insulating part 43Side, the bar portion 412 of bolt is connected with the bar portion of moving contact 31 through conducting block 7, and head 421 parts of adpting flange are embedded in absolutelyThe opposite side of edge part 43, the central shaft of the post portion 422 of adpting flange is provided with screw, and the post portion 422 of adpting flange inserts through holeIn II 84 and be connected with the other end of power transmission screw 15. The bar portion 412 of bolt is also provided with packing ring, and packing ring is positioned at insulating part43 and conducting block 7 between, can adjust the excess of stroke moving contact 31 and static contact 32 while being vacuum tube 3 co-bit by packing ring is setExposure level.
A kind of operation principle of modular permanent-magnet breaker is that, to the logical direct current of coil 11 in permanent magnetic device 2, voltage isBetween 260-320V, the about 50ms-100ms of energising duration. Each head end and the tail of while closing coil 11 from positive pole to negative poleEnd. The moving iron prop 92 of Dong Tie mechanism 9 drives power transmission screw 15 and bindiny mechanism 4 toward true under the effect of coil 11 simultaneouslyThe direction motion of blank pipe 3, makes the moving contact 31 in vacuum tube 3 join with static contact 32, input 5 and output 6Homophase guide pillar is connected, and spring I 14 and spring II 13 in permanent magnetic device 2 are compressed, and the magnetic force of permanent magnet 12 will move iron prop 92Maintain the state of vacuum tube 3 in closing a floodgate; If separating brake, by the galvanic both positive and negative polarity commutation of connecting with coil 11,Energising duration 50ms-100ms, the magnetic direction of change coil 11 is with iron prop 92 under the effect of spring and coil 11Moving power transmission screw 15 and bindiny mechanism 4 are toward the contrary direction motion of vacuum tube 3, the spring I 14 in permanent magnetic device 2 simultaneouslyBe released with spring II 13, the moving contact 31 in vacuum tube 3 is separated with static contact 32, input 5 and output 6Guide pillar disconnects, and completes separating brake. Permanent magnetic device 2, as the thrust unit of breaker, has the splitting or integrating lock time than the friendship of contactorStream electromagnetism keeps or direct current keeps speed fast, the advantage that relatively large electric current breaking capacity is stronger than contactor.
Above embodiment is only in order to the technical scheme of the invention to be described, but not is limited; Although with reference to aforementioned enforcementExample has been described in detail the invention, for the person of ordinary skill of the art, and still can be to aforementioned enforcementThe technical scheme recorded of example is modified, or part technical characterictic is wherein equal to replacement; And these amendments or replacement,Do not make the essence of appropriate technical solution depart from the spirit and scope of the invention technical scheme required for protection.
Claims (8)
1. a modular permanent-magnet breaker, is characterized in that, comprises housing, in housing, be provided with successively from top to bottom three accommodatingChamber, is equipped with vacuum tube and permanent magnetic device in each accommodating cavity, the inside of vacuum tube has the moving contact and the static contact that are oppositely arranged,The bar portion of moving contact extends vacuum tube one outside and is connected with permanent magnetic device by bindiny mechanism, and the bar portion of static contact extends veryAnother outside of blank pipe also extends to the input of housing one outside as vacuum tube, is positioned in the bar portion of static contact of accommodating cavityBe provided with current transformer, stretch out in the bar portion of moving contact in vacuum tube one outside and be connected with conducting block, conducting block by conductive strips with trueThe output of blank pipe connects, and output extends to housing one outside with input homonymy;
Described permanent magnetic device has tubular body, and the intrinsic side of tubular is provided with coil, and tubular body has one end of coil and establishesLine outlet I, the position that opposite side and coil are adjacent is provided with permanent magnet, and a side with coil is provided with Dong Tie mechanism, has permanent magnetismOne side of iron is provided with Jing Tie mechanism, and Dong Tie mechanism has moved end lid and covers with moved end the moving iron prop joining, and moving iron prop is placed in coil,Moved end lid is located at the outside of tubular body, in moving iron prop, be provided with cavity I, and Jing Tie mechanism has quiet end cap and joins with quiet end capQuiet iron prop, quiet iron prop is placed in the inner side of permanent magnet, and quiet end cap is located at the outside of tubular body, is provided with cavity II in quiet iron prop, movingOn the axial line of iron mechanism and Jing Tie mechanism, be respectively equipped with through hole I and through hole II, between cavity I and cavity II, be provided with spring, twoEnd has the middle not threaded power transmission screw of tool of screw thread successively through through hole I, spring and through hole II, power transmission screwOne end be positioned at the outside of through hole I and by fastening nuts, the other end is connected with bindiny mechanism.
2. modular permanent-magnet breaker according to claim 1, is characterized in that, described coil is unicoil.
3. modular permanent-magnet breaker according to claim 1, is characterized in that, between described cavity I and cavity II, establishesHave spring I and spring II, the external diameter of spring I is greater than the external diameter of spring II.
4. modular permanent-magnet breaker according to claim 1, is characterized in that, described bindiny mechanism has bolt, exhaustedEdge part and adpting flange, the head of bolt is embedded in a side of insulating part, and the bar portion of bolt connects through the bar portion of conducting block and moving contactConnect, the head part of adpting flange is embedded in the opposite side of insulating part, and the post portion central shaft of adpting flange is provided with screw, connection methodBlue post portion inserts in through hole II and is connected with the other end of power transmission screw.
5. modular permanent-magnet breaker according to claim 4, is characterized in that, the bar portion of described bolt is also provided with packing ring,Packing ring is between insulating part and conducting block.
6. according to the arbitrary described modular permanent-magnet breaker of claim 1-5, it is characterized in that described input and outputFor conduction column, be crisscross arranged in a side of housing.
7. according to the arbitrary described modular permanent-magnet breaker of claim 1-5, it is characterized in that, on described housing, be positioned at electric currentThe position that transformer is corresponding is provided with line outlet II, is positioned at the position that conductive strips are corresponding with output junction and is provided with line outlet III, positionBe provided with line outlet IV in position corresponding to line outlet I.
8. modular permanent-magnet breaker according to claim 7, is characterized in that, the outer wall of described housing is provided with cavity,With several grooves communicating with cavity, line outlet II, III and IV are arranged in groove, are provided with terminal plate in cavity, draw from coilElectric wire be connected with terminal plate with IV through line outlet I, the electric wire of drawing from current transformer is connected with terminal plate through line outlet II,The high-tension bus-bar of drawing with output junction from conductive strips is connected with terminal plate through line outlet III.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410377866.4A CN104103451B (en) | 2014-08-04 | 2014-08-04 | A kind of modular permanent-magnet breaker |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410377866.4A CN104103451B (en) | 2014-08-04 | 2014-08-04 | A kind of modular permanent-magnet breaker |
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| Publication Number | Publication Date |
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| CN104103451A CN104103451A (en) | 2014-10-15 |
| CN104103451B true CN104103451B (en) | 2016-05-25 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201758097U (en) * | 2010-03-01 | 2011-03-09 | 阳泉华盛矿用设备厂有限公司 | Permanent magnet vacuum unidirectional switch and multifunctional combined switch provided with the same |
| CN201966126U (en) * | 2011-04-20 | 2011-09-07 | 东南大学 | Intelligent medium-voltage vacuum circuit breaker |
| CN102255318A (en) * | 2011-06-30 | 2011-11-23 | 辽宁电能发展股份有限公司 | Capacitor breaker and isolation switch device |
| CN203179782U (en) * | 2013-03-28 | 2013-09-04 | 无锡市蓝虹电子有限公司 | Intelligent rapid box-type vacuum switch |
| CN203351490U (en) * | 2013-05-23 | 2013-12-18 | 广东电网公司佛山供电局 | Permanent magnet drive oil immersion vacuum circuit breaker arranged in 10 kV oil immersion transformer |
| CN103762118A (en) * | 2014-01-28 | 2014-04-30 | 北京麦吉凯科技有限公司 | Vacuum circuit breaker with single-phase magnetic operation mechanism and intelligent vacuum circuit breaker system |
| CN204011242U (en) * | 2014-08-04 | 2014-12-10 | 温州侨融电子科技有限公司 | A kind of modular permanent-magnet breaker |
-
2014
- 2014-08-04 CN CN201410377866.4A patent/CN104103451B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201758097U (en) * | 2010-03-01 | 2011-03-09 | 阳泉华盛矿用设备厂有限公司 | Permanent magnet vacuum unidirectional switch and multifunctional combined switch provided with the same |
| CN201966126U (en) * | 2011-04-20 | 2011-09-07 | 东南大学 | Intelligent medium-voltage vacuum circuit breaker |
| CN102255318A (en) * | 2011-06-30 | 2011-11-23 | 辽宁电能发展股份有限公司 | Capacitor breaker and isolation switch device |
| CN203179782U (en) * | 2013-03-28 | 2013-09-04 | 无锡市蓝虹电子有限公司 | Intelligent rapid box-type vacuum switch |
| CN203351490U (en) * | 2013-05-23 | 2013-12-18 | 广东电网公司佛山供电局 | Permanent magnet drive oil immersion vacuum circuit breaker arranged in 10 kV oil immersion transformer |
| CN103762118A (en) * | 2014-01-28 | 2014-04-30 | 北京麦吉凯科技有限公司 | Vacuum circuit breaker with single-phase magnetic operation mechanism and intelligent vacuum circuit breaker system |
| CN204011242U (en) * | 2014-08-04 | 2014-12-10 | 温州侨融电子科技有限公司 | A kind of modular permanent-magnet breaker |
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| CN104103451A (en) | 2014-10-15 |
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Address after: 325000 Yueqing Economic Development Zone, Zhejiang Province, 278 Wei16 Road (Zhejiang Versaille Machinery Manufacturing Co., Ltd.) Patentee after: Qiaorong Electronic Technology Co., Ltd. Address before: 325000, No. seventeen, No. 261, weft Road, Yueqing Economic Development Zone, Wenzhou, Zhejiang Patentee before: WENZHOU QIAORONG ELECTRONIC TECHNOLOGY CO., LTD. |
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