CN203165794U - Fast dual-power transfer switch - Google Patents
Fast dual-power transfer switch Download PDFInfo
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- CN203165794U CN203165794U CN 201320156455 CN201320156455U CN203165794U CN 203165794 U CN203165794 U CN 203165794U CN 201320156455 CN201320156455 CN 201320156455 CN 201320156455 U CN201320156455 U CN 201320156455U CN 203165794 U CN203165794 U CN 203165794U
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- driving shaft
- repulsion coil
- permanent magnets
- soft magnetism
- switch
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Abstract
The utility model discloses a fast switch dual-power transfer switch comprising two input ends, one output end, a driving controller, two vacuum interrupters, a driving shaft, a soft magnetic shell, a repulsion coil, two permanent magnets, two movable iron cores, two position sensors and a light metal plate. The two vacuum interrupters are arranged at two ends of the soft magnetic shell respectively. Two ends of the driving shaft are respectively connected with inner ends of switches in the two vacuum interrupters. The light metal plate is fixedly installed at the middle part of the driving shaft. Two sub coils of the repulsion coil are respectively installed at two sides of the light metal plate. The repulsion coil is connected with the driving controller. The two permanent magnets are respectively at two sides of the repulsion coil. The two movable iron cores are respectively corresponding to the two permanent magnets. The two position sensors are close to the two permanent magnets respectively. The two position sensors and an external control signal end are correspondingly connected with the driving controller respectively. The fast switch dual-power transfer switch has the advantages of fast operation speed, high safety performance and electric energy saving.
Description
Technical field
The utility model relates to a kind of dual-power transfer switch, relates in particular to a kind of safe and reliable quick dual-power transfer switch.
Background technology
The domestic traditional double mains switch of China mainly is divided into PC level duplicate supply (integral type) and CB level duplicate supply (double-break device formula) switch, the employing air insulation, and it is big to have a volume, and speed is slow, complex structure, shortcoming such as mechanism exposes, and load current is less.
Along with the raising of user to the requirement of usefulness electricity quality, have higher requirement for stability and the reliability of power supply.A lot of key units are for fear of power failure, the general double circuit power supply that adopts, detect by controller and to have automatically switched to electric loop after certain loop has a power failure, thereby assurance continued power, but the switch speed of traditional double mains switch is slow, generally at hundreds of millisecond between the several seconds, change-over time is long for electronic equipment, not only influence electric power and use, and may produce arc light because switching time is long and cause potential safety hazard.The high-speed double power-supply diverter switch is arranged, but complex structure and expensive is difficult in China abroad domestic universal.
The utility model content
The purpose of this utility model provides a kind of safe and reliable quick dual-power transfer switch with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Quick dual-power transfer switch described in the utility model comprises two inputs, an output, driving governor, two vacuum interrupters, driving shaft, the soft magnetism shell, the repulsion coil, two permanent magnets, two moving iron cores, two position transducers and light-weight metal dish, two described vacuum interrupters place the two ends of described soft magnetism shell respectively, the stage casing of described driving shaft places in the described soft magnetism shell, the two ends of described driving shaft are passed respectively behind the described soft magnetism shell with the inner of the indoor switch of two described vacuum extinction and are connected, described light-weight metal dish is fixedly installed in middle part and the concentric of described driving shaft, two subcoils of described repulsion coil are installed on the both sides of described light-weight metal dish respectively, described driving shaft passes the centre bore of described repulsion coil, the power input of described repulsion coil is connected with the power output end of described driving governor, the outer end of the switch that two described vacuum extinction is indoor is connected with two described inputs respectively, and two indoor the inner of switch of described vacuum extinction all are connected with described output; Two described permanent magnets are installed on the inwall of described soft magnetism shell respectively and lay respectively at the both sides of described repulsion coil, two described moving iron cores are fixedly installed in respectively on the described driving shaft and two positions that described permanent magnet is corresponding, two described position transducers are installed on respectively on the inwall of described soft magnetism shell near the position of two described permanent magnets, and the signal output part of two described position transducers is connected with the control input end of described driving governor is corresponding respectively with external control signal end.
In the course of work, electric current by driving governor control repulsion coil has or not and the sense of current, thereby control repulsion coil has or not and the repulsion direction the repulsion that the light-weight metal dish produces, the moving driving axial of light-weight metal dribbling near or move away from the direction of vacuum interrupter, thereby realize the closed or disconnection of the switch that vacuum extinction is indoor, reach the control purpose.After the repulsion coil is realized the closed of switch or is disconnected, the repulsion coil blackout, the magnetic force between moving iron core and the permanent magnet can keep driving shaft to remain static, and makes the indoor switch of vacuum extinction keep original state and need not to allow repulsion coil consume electric power.
Further, described quick dual-power transfer switch also comprises the plastic packaging shell, described two vacuum interrupters, driving shaft, soft magnetism shell, repulsion coil, two permanent magnets, two moving iron cores, two position transducers and light-weight metal dish all place in the described plastic packaging shell, make whole change over switch form the integral body with sealing shell like this, be convenient to use.
As preferentially, described light-weight metal dish is A3 steel disk, aluminium dish or copper dish.
The beneficial effects of the utility model are:
The utility model adopts two vacuum interrupters as the execution switch that power supply switches, and arc light was exploded in indoor being difficult to of vacuum extinction, has strengthened security performance; Adopt repulsion coil and light-weight metal dish to constitute quick electromagnetic repulsion driving mechanism, it is swift in motion reliably, generally can finish power supply and switch about 5ms; Adopt permanent magnet and moving iron core to constitute the on off state maintaining body, can reduce the energy loss of repulsion coil, energy savings; The state information of the switch that vacuum extinction is indoor can be known in the position of adopting position transducer to detect moving iron core automatically, thereby realize sending the correct power supply of the sense of current by driving governor exactly to the repulsion coil, accurately realize the closed or disconnection of the switch that vacuum extinction is indoor.Generally speaking, the utlity model has have simple in structure, conversion speed is fast, reliability is high, the advantage of complete explosion, excellent weather resistance, can be with in any environment duplicate supply being switched fast.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of quick dual-power transfer switch described in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1, quick dual-power transfer switch described in the utility model comprises two inputs 12, an output 13, driving governor 7, two vacuum interrupters 1, driving shaft 2, soft magnetism shell 3, repulsion coil 8, two permanent magnets 4, two moving iron cores 5, two position transducers 6, light-weight metal dish 9 and plastic packaging shell 11, two vacuum interrupters 1 place the two ends of soft magnetism shell 3 respectively, the stage casing of driving shaft 2 places in the soft magnetism shell 3, the inner that the interior switch of soft magnetism shell 3 back and two vacuum interrupters 1 is passed at the two ends of driving shaft 2 respectively is connected, light-weight metal dish 9 is fixedly installed in middle part and the concentric of driving shaft 2, two subcoils of repulsion coil 8 are installed on the both sides of light-weight metal dish 9 respectively, driving shaft 2 passes the centre bore of repulsion coil 8, the power input of repulsion coil 8 is connected with the power output end of driving governor 7, the outer end of the switch in two vacuum interrupters 1 is connected with two 12 inputs respectively, and the inner of the switch in two vacuum interrupters 1 all is connected with output 13; Two permanent magnets 4 are installed on the inwall of soft magnetism shell 3 respectively and lay respectively at the both sides of repulsion coil 8, two moving iron cores 5 are fixedly installed on the driving shaft 2 position corresponding with two permanent magnets 4 respectively, two position transducers 6 are installed on respectively on the inwall of soft magnetism shell 3 near the position of two permanent magnets 4, and the signal output part of two position transducers 6 is connected with the control input end of driving governor 7 is corresponding respectively with external control signal end (not shown); Two vacuum interrupters 1, driving shaft 2, soft magnetism shell 3, repulsion coil 8, two permanent magnets 4, two moving iron cores 5, two position transducers 6 and light-weight metal dish 9 all place in the plastic packaging shell 11.
In the said structure, driving governor 7 is conventional controller, and it detects output signal and the external control signal of two position transducers 6, and the power supply of the different senses of current is provided or cuts off its power supply to repulsion coil 8 fast accordingly; Soft magnetism shell 3 adopts conventional soft magnetism shell with magnetic screen function, as the A3 outer steel shell; Light-weight metal dish 9 is A3 steel disk, aluminium dish or copper dish.
As shown in Figure 1, in the course of work, electric current by driving governor 7 control repulsion coils 8 has or not and the sense of current, thereby the repulsion that 8 pairs of light-weight metal dishes of control repulsion coil 9 produce has or not and the repulsion direction, light-weight metal dish 9 drive driving shafts 2 near or move away from the direction of vacuum interrupter 1, thereby realize the closed or disconnection of the switch in the vacuum interrupter 1, reach the control purpose.After repulsion coil 8 is realized the closed of switch or is disconnected, 8 outages of repulsion coil, magnetic force between moving iron core 5 and the permanent magnet 4 can keep driving shaft 2 to remain static, and makes the switch in the vacuum interrupter 1 keep original state and need not to allow repulsion coil 8 consume electric power.Through above-mentioned action, can realize closure or the off-state of the switch in two vacuum interrupters 1 easily and quickly, thereby realize that the power supply between two inputs 12 and the output 13 switches fast.If driving governor 7 adopts inverse time lags control, then can reach and do not have a power failure or predict before may having a power failure the realization switching that do not have a power failure, the continuity of the power supply in the place of assurance high request.
Need to prove at last, said structure is the structure at single phase poaer supply, if three phase mains, then adopt three identical change over switches to be installed on three-phase line respectively and get final product, also three identical change over switches can be packaged together forms the quick dual-power transfer switch of three-phase of an integral body.
Claims (3)
1. quick dual-power transfer switch, comprise two inputs and an output, it is characterized in that: also comprise driving governor, two vacuum interrupters, driving shaft, the soft magnetism shell, the repulsion coil, two permanent magnets, two moving iron cores, two position transducers and light-weight metal dish, two described vacuum interrupters place the two ends of described soft magnetism shell respectively, the stage casing of described driving shaft places in the described soft magnetism shell, the two ends of described driving shaft are passed respectively behind the described soft magnetism shell with the inner of the indoor switch of two described vacuum extinction and are connected, described light-weight metal dish is fixedly installed in middle part and the concentric of described driving shaft, two subcoils of described repulsion coil are installed on the both sides of described light-weight metal dish respectively, described driving shaft passes the centre bore of described repulsion coil, the power input of described repulsion coil is connected with the power output end of described driving governor, the outer end of the switch that two described vacuum extinction is indoor is connected with two described inputs respectively, and two indoor the inner of switch of described vacuum extinction all are connected with described output; Two described permanent magnets are installed on the inwall of described soft magnetism shell respectively and lay respectively at the both sides of described repulsion coil, two described moving iron cores are fixedly installed in respectively on the described driving shaft and two positions that described permanent magnet is corresponding, two described position transducers are installed on respectively on the inwall of described soft magnetism shell near the position of two described permanent magnets, and the signal output part of two described position transducers is connected with the control input end of described driving governor is corresponding respectively with external control signal end.
2. quick dual-power transfer switch according to claim 1, it is characterized in that: also comprise the plastic packaging shell, described two vacuum interrupters, driving shaft, soft magnetism shell, repulsion coil, two permanent magnets, two moving iron cores, two position transducers and light-weight metal dish all place in the described plastic packaging shell.
3. quick dual-power transfer switch according to claim 1 and 2, it is characterized in that: described light-weight metal dish is A3 steel disk, aluminium dish or copper dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320156455 CN203165794U (en) | 2013-04-01 | 2013-04-01 | Fast dual-power transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320156455 CN203165794U (en) | 2013-04-01 | 2013-04-01 | Fast dual-power transfer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203165794U true CN203165794U (en) | 2013-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320156455 Expired - Fee Related CN203165794U (en) | 2013-04-01 | 2013-04-01 | Fast dual-power transfer switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203165794U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105390333A (en) * | 2015-12-23 | 2016-03-09 | 哈尔滨朗昇电气股份有限公司 | Fast double-power transfer switch and switching control method |
| CN105428149A (en) * | 2015-12-22 | 2016-03-23 | 福州大学 | Direct connection dual-arc-extinguish-chamber type high-voltage rapid change-over switch |
| CN105513844A (en) * | 2015-12-22 | 2016-04-20 | 福州大学 | Quick electromagnetic pull mechanism based on fault current energy and change rate and application thereof |
| CN105551882A (en) * | 2015-12-25 | 2016-05-04 | 大连理工大学 | Horizontally-arranged DC vacuum circuit breaker based on linkage current transfer |
| CN106449203A (en) * | 2016-11-07 | 2017-02-22 | 中国电力科学研究院 | Dual-power uninterruptible ultra-fast switching device |
| CN107968015A (en) * | 2017-03-31 | 2018-04-27 | 天津市先智电气设备有限公司 | pole and dual-power transfer switch |
| CN108648933A (en) * | 2018-05-17 | 2018-10-12 | 上海电力学院 | Three station vacuum double power supply automatic transfer switch of high pressure |
| CN108766804A (en) * | 2018-05-17 | 2018-11-06 | 上海电力学院 | High voltage double power source vacuum automatic change-over |
| CN112509858A (en) * | 2020-12-21 | 2021-03-16 | 西安交通大学 | Double-break interlocking quick switch for integrated series compensation current limiting device |
-
2013
- 2013-04-01 CN CN 201320156455 patent/CN203165794U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513844B (en) * | 2015-12-22 | 2018-04-13 | 福州大学 | Based on fault current energy and the quick electromagnetic tensile machine of change rate and its application |
| CN105428149A (en) * | 2015-12-22 | 2016-03-23 | 福州大学 | Direct connection dual-arc-extinguish-chamber type high-voltage rapid change-over switch |
| CN105513844A (en) * | 2015-12-22 | 2016-04-20 | 福州大学 | Quick electromagnetic pull mechanism based on fault current energy and change rate and application thereof |
| CN105390333B (en) * | 2015-12-23 | 2020-04-07 | 黑龙江博瑞特高新技术开发有限公司 | Fast dual-power-supply change-over switch and change-over control method |
| CN105390333A (en) * | 2015-12-23 | 2016-03-09 | 哈尔滨朗昇电气股份有限公司 | Fast double-power transfer switch and switching control method |
| CN105551882B (en) * | 2015-12-25 | 2019-01-01 | 大连理工大学 | A kind of horizontally disposed direct current vacuum circuit breaker based on linkage electric current transfer |
| CN105551882A (en) * | 2015-12-25 | 2016-05-04 | 大连理工大学 | Horizontally-arranged DC vacuum circuit breaker based on linkage current transfer |
| CN106449203A (en) * | 2016-11-07 | 2017-02-22 | 中国电力科学研究院 | Dual-power uninterruptible ultra-fast switching device |
| CN106449203B (en) * | 2016-11-07 | 2019-12-27 | 中国电力科学研究院 | Double-power supply uninterrupted very-fast switching device |
| CN107968015A (en) * | 2017-03-31 | 2018-04-27 | 天津市先智电气设备有限公司 | pole and dual-power transfer switch |
| CN108648933A (en) * | 2018-05-17 | 2018-10-12 | 上海电力学院 | Three station vacuum double power supply automatic transfer switch of high pressure |
| CN108766804A (en) * | 2018-05-17 | 2018-11-06 | 上海电力学院 | High voltage double power source vacuum automatic change-over |
| CN112509858A (en) * | 2020-12-21 | 2021-03-16 | 西安交通大学 | Double-break interlocking quick switch for integrated series compensation current limiting device |
| CN112509858B (en) * | 2020-12-21 | 2021-10-19 | 西安交通大学 | Double-break interlocking quick switch for integrated series compensation current limiting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130828 Termination date: 20150401 |
|
| EXPY | Termination of patent right or utility model |