CN103441032A - Single-phase vacuum circuit breaker actuated on basis of electromagnetic force - Google Patents
Single-phase vacuum circuit breaker actuated on basis of electromagnetic force Download PDFInfo
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- CN103441032A CN103441032A CN2013103539103A CN201310353910A CN103441032A CN 103441032 A CN103441032 A CN 103441032A CN 2013103539103 A CN2013103539103 A CN 2013103539103A CN 201310353910 A CN201310353910 A CN 201310353910A CN 103441032 A CN103441032 A CN 103441032A
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Abstract
The invention discloses a single-phase vacuum circuit breaker actuated on the basis of electromagnetic force. The single-phase vacuum circuit breaker comprises a machine frame (1) and an embedded pole (2) fixed to the machine frame (1), wherein the embedded pole (2) comprises an insulation pull rod (21) and a vacuum arc-extinguishing chamber (22) provided with a moving contact and a fixed contact. The insulation pull rod (21) is connected with the moving contact of the vacuum arc-extinguishing chamber (22), an intelligent control module (3), a charging power module (4), an energy storage capacitor (5) and an electromagnetic force actuating assembly (6) which are sequentially connected are arranged in the machine frame (1), and the electromagnetic force actuating assembly (6) is connected with the insulation pull rod (21) through a transmission assembly (7). The single-phase vacuum circuit breaker actuated on the basis of the electromagnetic force has the advantages of being simple in structure, low in malfunction rate, high in movement velocity, compact in size and small in opening and closing time dispersion.
Description
Technical field
The present invention relates to the vacuum circuit-breaker field, be specifically related to a kind of single-phase vacuum circuit breaker activated based on electromagnetic push.
Background technology
Along with increasing sharply of power system short circuit capacity and sensitiveness load, people are also more and more high to the requirement of the reliability of electric power system and the quality of power supply, electromagnetic push driven machine is as a kind of novel fast operating mechanism, because its many-sided performance is better than common spring and permanent magnet mechanism, therefore be widely used in fields such as electric power system fault current limliting, quality of power supply control and phased switch, have broad application prospects.The manufacturing process that electrical circuitry equipment is day by day advanced, make the single-machine capacity in power plant strengthen, the large electric current enclosed busbar of generator outlet also is widely adopted, for preventing generator generator end phase fault, the machine end all adopts single-phase equipment, yet the more employing of single-phase circuit breaker that at present institute is generally used is spring operating mechanism and permanent-magnet manipulating mechanism, and this type of mechanism complexity particularly on manufacturing process, mechanical part is many, failure rate is higher, the operating mechanism mechanical efficiency is low.Bulky, can not be combined into three-phase and use, the dispersiveness of on/off switch time is very large, thereby can not guarantee to meet standard code, is difficult to meet the requirement of power supply reliability and realizes intelligent phase selection control.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of simple in structure, failure rate is low, quick action, volume compact, the dispersed little single-phase vacuum circuit breaker activated based on electromagnetic push of on/off switch time.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
A kind of single-phase vacuum circuit breaker activated based on electromagnetic push, comprise frame and be fixed in the pole on frame, described pole comprises insulated tension pole and with the vacuum interrupter of moving contact and fixed contact, described insulated tension pole is connected with the moving contact of vacuum interrupter, be provided with connected successively intelligent control module, charge power supply module, storage capacitor and electromagnetic push actuating assembly in described frame, described electromagnetic push actuating assembly is connected with insulated tension pole by a transmission component.
As further improvement in the technical proposal:
Described electromagnetic push actuating assembly comprises drive link, closing coil mounting panel and switching winding mounting panel, be provided with mounting bracket in described frame, described closing coil mounting panel and switching winding mounting panel all are mounted on mounting bracket, be inlaid with circular closing coil and a pair of combined floodgate on described closing coil mounting panel and keep permanent magnet, be inlaid with circular switching winding and a pair of separating brake on described switching winding mounting panel and keep permanent magnet, be fixed with copper eddy-current disc on described drive link, described copper eddy-current disc is arranged between circular closing coil and circular switching winding, the two ends of described copper eddy-current disc are inlaid with respectively the magnetic conduction yoke, described drive link is connected with insulated tension pole by described transmission component.
Described transmission component comprises transmission crank arm, the first hinge and the second hinge, be provided with rotating shaft in described frame, the middle part of described transmission crank arm is sheathed in rotating shaft, one end of described transmission crank arm is articulated and connected by the first hinge and drive link, the other end of described transmission crank arm is articulated and connected by the second hinge and insulated tension pole, and described pole is secured by bolts in the front portion of frame.
Be provided with supporting base and the hand lever for manually dividing, closing a floodgate in described frame, the middle part of described hand lever is articulated on supporting base, and an end and the drive link of described hand lever are fixed by socket, and the other end of described hand lever stretches out outside frame.
The present invention has following advantage:
1, the present invention includes frame and be fixed in the pole on frame, pole comprises insulated tension pole and with the vacuum interrupter of moving contact and fixed contact, insulated tension pole is connected with the moving contact of vacuum interrupter, be provided with connected successively intelligent control module in frame, the charge power supply module, storage capacitor and electromagnetic push actuating assembly, the electromagnetic push actuating assembly is connected with insulated tension pole by a transmission component, intelligent control module charges to storage capacitor by the charge power supply module, by storage capacitor, discharge to utilize the electromagnetic push actuating assembly to promote the moving contact of vacuum interrupter, can be applicable to railway system's contact line, the fields of employment such as the station service branch system of the enclosed busbar of big power station, can be applicable in the 12-40.5kV distribution system do the control and protection circuit, there is quick action, simple in structure, operate time, dispersiveness was little, the circuit-breaker switching on-off asynchrony is less than the advantage of standard value.
2, with respect to the common pull operation mechanism of prior art, (part is up to more than 160 in the present invention, wherein moving component is more than 50) and common permanent magnet mechanism (part has more than 80 individual, drive disk assembly also has 12), more than 20 of total parts, no more than 7 of drive disk assembly, the mechanical efficiency that therefore can overcome prior art is low, the shortcoming that the splitting or integrating lock time is long, and, due to simple in structure, can also reduce failure rate, improve mechanical efficiency high; Circuit breaker splitting or integrating lock speed of the present invention is fast, closing time of the present invention be common permanent magnet mechanism 1/2, common pull operation mechanism 1/8; Opening time of the present invention be common permanent magnet mechanism 1/3, common pull operation mechanism 1/10, and permanent magnet closing retention force of the present invention is large, maximum can reach 10000N and more than, and the circuit breaker confining force of common permanent magnet mechanism about 6000N only, therefore common permanent magnet mechanism circuit-breaker can not close large rated current and can not cut-off large short circuit current.The present invention is simple in structure, functional reliability is high, machinery and electrical characteristic good, be easy to processing and manufacturing, conveniently apply, market prospects are good.
3, the present invention can use and realize phase selection and Based Intelligent Control by being combined in three-phase system, thereby it is large to promote the drop-out current allowance, can greatly extend the useful life of circuit breaker, be the ideal chose of the indispensable circuit breaker of intelligent grid, has advantages of applied widely.
The accompanying drawing explanation
The side-looking structural representation that Fig. 1 is the embodiment of the present invention.
The main TV structure schematic diagram that Fig. 2 is the embodiment of the present invention.
The local structure for amplifying schematic diagram that Fig. 3 is a-quadrant in Fig. 2.
Marginal data: 1, frame; 11, mounting bracket; 12, rotating shaft; 13, supporting base; 14, hand lever; 15, moving contact position indicating device; 16, auxiliary switch; 17, counter; 2, pole; 21, insulated tension pole; 22, vacuum interrupter; 3, intelligent control module; 4, charge power supply module; 5, storage capacitor; 6, electromagnetic push actuating assembly; 61, drive link; 611, copper eddy-current disc; 612, magnetic conduction yoke; 62, closing coil mounting panel; 621, circular closing coil; 622, close a floodgate and keep permanent magnet; 63, switching winding mounting panel; 631, circular switching winding; 632, separating brake keeps permanent magnet; 7, transmission component; 71, transmission crank arm; 72, the first hinge; 73, the second hinge.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the single-phase vacuum circuit breaker activated based on electromagnetic push of the present embodiment, comprise frame 1 and be fixed in the pole 2 on frame 1, pole 2 comprises insulated tension pole 21 and with the vacuum interrupter 22 of moving contact and fixed contact, insulated tension pole 21 is connected with the moving contact of vacuum interrupter 22, be provided with connected successively intelligent control module 3, charge power supply module 4, storage capacitor 5 and electromagnetic push actuating assembly 6 in frame 1, electromagnetic push actuating assembly 6 is connected with insulated tension pole 21 by a transmission component 7.
In the present embodiment, be provided with supporting base 13 and the hand lever 14 for manually dividing, closing a floodgate in frame 1, the middle part of hand lever 14 is articulated on supporting base 13, one end and the drive link 61 of hand lever 14 are fixed by socket, the other end of hand lever 14 stretches out outside frame 1, and hand lever 14 is installed on drive link 61 100～150mm the place that is positioned at the first hinge 72 tops, the present embodiment can be realized easily manually test by hand lever 14 and promptly divide, closes a floodgate, there is debugging convenient, the advantage of emergency treatment simple and fast.
In the present embodiment, frame 1 also comprises moving contact position indicating device 15, auxiliary switch 16 sum counters 17, moving contact position indicating device 15, auxiliary switch 16 sum counters 17 are connected with drive link 61 respectively, can conveniently check the moving contact position of vacuum interrupter 22 by moving contact position indicating device 15, chain and conversion can be realized by auxiliary switch 16, by counter 17, the circuit breaker action frequency can be recorded.Because moving contact position indicating device 15, auxiliary switch 16 sum counters 17 are the structure member of prior art, therefore its detailed construction does not repeat them here.
In the present embodiment, intelligent control module 3 comprises CPU and peripheral circuit thereof, and CPU has the function of Based Intelligent Control and communication, therefore can set easily its function, and peripheral circuit provides the RS-485 communication interface, for the switch intellectuality provides condition.Intelligent control module 3 has perfect logic blocking and anti-bouncing function, also is designed with the trip free logic, and when operation circuit voltage, during lower than set point, intelligent control module 3 sends warning information, and locking exports accordingly, prevents as far as possible the generation of misoperation.And; intelligent control module 3 adopts the thyristor module with high voltage electric current allowance; can pass through the transient current of more than 1000 ampere; there is automatic detection function; for internal fault with the Switch main body fault can detect in real time and in time alarm and latch switch operation; there are passive divide-shut brake, two kinds of control modes of active divide-shut brake, can connect with observing and controlling and protective device easily, form the intelligent breaker system.
In the present embodiment, charge power supply module 4 adopts the metal case module encapsulation, and the terminal mode connects, can directly install, have charge function, output can be charged to external large bulk capacitance, output voltage is adjustable continuously, has the telecontrolled cut function, remote-controlled charged state.
In the present embodiment, storage capacitor 5 comprises a plurality of electric capacity.
In the present embodiment, electromagnetic push actuating assembly 6 comprises drive link 61, closing coil mounting panel 62 and switching winding mounting panel 63, be provided with mounting bracket 11 in frame 1, closing coil mounting panel 62 and switching winding mounting panel 63 all are mounted on mounting bracket 11, be inlaid with circular closing coil 621 and a pair of combined floodgate on closing coil mounting panel 62 and keep permanent magnet 622, be inlaid with circular switching winding 631 and a pair of separating brake on switching winding mounting panel 63 and keep permanent magnet 632, be fixed with copper eddy-current disc 611 on drive link 61, copper eddy-current disc 611 is arranged between circular closing coil 621 and circular switching winding 631, the two ends of copper eddy-current disc 611 are inlaid with respectively magnetic conduction yoke 612, drive link 61 is connected with insulated tension pole 21 by transmission component 7.
In the present embodiment, transmission component 7 comprises transmission crank arm 71, the first hinge 72 and the second hinge 73, be provided with rotating shaft 12 in frame 1, the middle part of transmission crank arm 71 is sheathed in rotating shaft 12, one end of transmission crank arm 71 is articulated and connected with drive link 61 by the first hinge 72, the other end of transmission crank arm 71 is articulated and connected with insulated tension pole 21 by the second hinge 73, and pole 2 is secured by bolts in the front portion of frame 1.The present embodiment is by the first hinge 72 and second hinge 73 at transmission crank arm 71 and two ends, the rigidity articulated structure that transmission crank arm 71 forms between drive link 61 and insulated tension pole 21, thereby can realize simply efficiently the drive link 61 of electromagnetic push actuating assembly 6 and the interlock reliably in real time between insulated tension pole 21, by the displacement transmission of drive link 61 to insulated tension pole 21, and then pass through the moving contact of insulated tension pole 21 transmissions to vacuum interrupter 22, there is simple in structure, quick action.
The assembling process of the present embodiment is as follows: 1) drive link 61 is fixed on to the geometric center of copper eddy-current disc 611 that two ends are inlaid with the magnetic conduction yoke 612 of rigidity by screw thread, completes copper eddy-current disc 611 and drive link 61 assemblings.Circular closing coil 621, the circular switching winding 631 that 2) will be wound with a fixing turn is separately fixed at the geometric center of closing coil mounting panel 62, switching winding mounting panel 63, at vertical two ends of closing coil mounting panel 62, switching winding mounting panel 63, installing respectively closes a floodgate keeps permanent magnet 622, separating brake to keep permanent magnet 632, completes the assembling of closing coil mounting panel 62, switching winding mounting panel 63.3) copper eddy-current disc 611 assemblings are placed in to the centre position of closing coil mounting panel 62, switching winding mounting panel 63, and drive link 61 upper and lower sides of copper eddy-current disc 611 assemblings are passed respectively to the centre bore of closing coil mounting panel 62, switching winding mounting panel 63, be connected to form electromagnetic push actuating assembly 6 by Limit screw.4) electromagnetic push actuating assembly 6 is fixed on to the rear middle part of frame 1.5) pole 2 use screw rods are fixed on to the rear front portion of frame 1.6) by transmission crank arm 71, insulated tension pole 21 is connected with drive link 61, and directly over the first hinge 72 be connected with transmission crank arm 71 at drive link 61, lever 61 is installed in the position of 100～150mm, moving contact position indicating device 15 is installed in the top at drive link 61, and the extension spring and the moving contact position indicating device 15 that are installed on the counter 17 on frame 1 are connected.Motion by copper eddy-current disc 611 drives drive link 61 and transmission crank arm 71 motions, by transmission crank arm 71, drives insulated tension pole 21 to drive the moving contact motion of vacuum interrupter 2.7) intelligent control module 3 is arranged on to the inside casing top of frame 1, on the left and right sides of frame 1, middle part installs respectively charge power supply module 4 and storage capacitor 5, by wire by the three according to electrical connection, cocoa carries out the control of charging and discharging according to control command to storage capacitor 5.8) storage capacitor 5 is coupled together by wire with circular closing coil 621, circular switching winding 631 respectively.
The operation principle of the present embodiment is as follows: the present embodiment is charged by 4 pairs of storage capacitors 5 of intelligent control module 3 control capacitance charging module in use, when storage capacitor 5 is given circular closing coil 621 and 631 electric discharge of circular switching winding, promote copper eddy-current disc 611 motions owing to producing eddy current, move to and close a floodgate while keeping permanent magnet 622 or separating brake to keep permanent magnet 632 surperficial when copper eddy-current disc 611 drives magnetic conduction yoke 612 together with one, effect due to high-intensity magnetic field, magnetic conduction yoke 612 firmly is adsorbed on to the surface of closing a floodgate and keeping permanent magnet 622 or separating brake to keep permanent magnet 632 together with copper eddy-current disc 611, simultaneously, when copper eddy-current disc 611 drives are moved together with the magnetic conduction yoke 612 of one, drive link 61 also drives insulated tension pole 21 motions by transmission crank arm 71, make the moving of vacuum interrupter 22, fixed contact moves in co-bit or minute position, by moving contact position indicating device 15, show intuitively, and the number of times of drive counter 17 operation of recording, it is simple that the present embodiment has mechanism, the control principle advanced person, the advantage that reliability is high, it is the ideal substitute in intelligent grid and important application place, important popularizing application prospect is arranged.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention also not only is confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. the single-phase vacuum circuit breaker activated based on electromagnetic push, comprise frame (1) and be fixed in the pole (2) on frame (1), described pole (2) comprises insulated tension pole (21) and with the vacuum interrupter (22) of moving contact and fixed contact, described insulated tension pole (21) is connected with the moving contact of vacuum interrupter (22), it is characterized in that: be provided with connected successively intelligent control module (3) in described frame (1), charge power supply module (4), storage capacitor (5) and electromagnetic push actuating assembly (6), described electromagnetic push actuating assembly (6) is connected with insulated tension pole (21) by a transmission component (7).
2. a kind of single-phase vacuum circuit breaker activated based on electromagnetic push according to claim 1, it is characterized in that: described electromagnetic push actuating assembly (6) comprises drive link (61), closing coil mounting panel (62) and switching winding mounting panel (63), be provided with mounting bracket (11) in described frame (1), described closing coil mounting panel (62) and switching winding mounting panel (63) all are mounted on mounting bracket (11), be inlaid with circular closing coil (621) and a pair of combined floodgate on described closing coil mounting panel (62) and keep permanent magnet (622), be inlaid with circular switching winding (631) and a pair of separating brake on described switching winding mounting panel (63) and keep permanent magnet (632), be fixed with copper eddy-current disc (611) on described drive link (61), described copper eddy-current disc (611) is arranged between circular closing coil (621) and circular switching winding (631), the two ends of described copper eddy-current disc (611) are inlaid with respectively magnetic conduction yoke (612), described drive link (61) is connected with insulated tension pole (21) by described transmission component (7).
3. a kind of single-phase vacuum circuit breaker activated based on electromagnetic push according to claim 2, it is characterized in that: described transmission component (7) comprises transmission crank arm (71), the first hinge (72) and the second hinge (73), be provided with rotating shaft (12) in described frame (1), the middle part of described transmission crank arm (71) is sheathed in rotating shaft (12), one end of described transmission crank arm (71) is articulated and connected by the first hinge (72) and drive link (61), the other end of described transmission crank arm (71) is articulated and connected by the second hinge (73) and insulated tension pole (21), described pole (2) is secured by bolts in the front portion of frame (1).
4. a kind of single-phase vacuum circuit breaker activated based on electromagnetic push according to claim 3, it is characterized in that: be provided with supporting base (13) and the hand lever (14) for manually dividing, closing a floodgate in described frame (1), the middle part of described hand lever (14) is articulated on supporting base (13), one end of described hand lever (14) and drive link (61) are fixed by socket, and the other end of described hand lever (14) stretches out outside frame (1).
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| CN2013103539103A CN103441032A (en) | 2013-08-14 | 2013-08-14 | Single-phase vacuum circuit breaker actuated on basis of electromagnetic force |
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| CN2013103539103A CN103441032A (en) | 2013-08-14 | 2013-08-14 | Single-phase vacuum circuit breaker actuated on basis of electromagnetic force |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134394A (en) * | 2017-06-29 | 2017-09-05 | 国网山东省电力公司淄博供电公司 | Controller, the system and method for permanent-magnet breaker |
| CN108662414A (en) * | 2018-07-25 | 2018-10-16 | 安徽硕日光电科技有限公司 | A kind of harmonic wave and surge overvoltage protection device |
| CN108922823A (en) * | 2018-07-12 | 2018-11-30 | 安徽诚意电气科技有限公司 | A kind of quick electromagnetic push driven machine |
| CN110379666A (en) * | 2018-08-09 | 2019-10-25 | 安徽合凯电气科技股份有限公司 | A kind of vacuum switch and associated mechanisms, system and application |
| CN113725036A (en) * | 2021-08-17 | 2021-11-30 | 安徽合凯电气科技股份有限公司 | Outdoor vortex repulsion high-speed pole-mounted circuit breaker |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0977229A2 (en) * | 1998-07-27 | 2000-02-02 | Mitsubishi Denki Kabushiki Kaisha | Switching apparatus |
| DE19830067C1 (en) * | 1998-06-30 | 2000-03-16 | Siemens Ag | High-voltage (HV) circuit-breaker esp. gas-blast circuit breaker |
| US20020043517A1 (en) * | 2000-10-16 | 2002-04-18 | Kenichi Koyama | Switching apparatus |
| CN101123150A (en) * | 2007-09-07 | 2008-02-13 | 安徽菲迈斯电气有限公司 | Quick electromagnetic push driven machine |
| CN201178062Y (en) * | 2008-02-05 | 2009-01-07 | 中国电力科学研究院 | AC high-voltage vacuum circuit breaker |
| CN203466123U (en) * | 2013-08-14 | 2014-03-05 | 安徽硕日光电科技有限公司 | Single-phase vacuum circuit breaker actuated on basis of electromagnetic force |
-
2013
- 2013-08-14 CN CN2013103539103A patent/CN103441032A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19830067C1 (en) * | 1998-06-30 | 2000-03-16 | Siemens Ag | High-voltage (HV) circuit-breaker esp. gas-blast circuit breaker |
| EP0977229A2 (en) * | 1998-07-27 | 2000-02-02 | Mitsubishi Denki Kabushiki Kaisha | Switching apparatus |
| US20020043517A1 (en) * | 2000-10-16 | 2002-04-18 | Kenichi Koyama | Switching apparatus |
| CN101123150A (en) * | 2007-09-07 | 2008-02-13 | 安徽菲迈斯电气有限公司 | Quick electromagnetic push driven machine |
| CN201178062Y (en) * | 2008-02-05 | 2009-01-07 | 中国电力科学研究院 | AC high-voltage vacuum circuit breaker |
| CN203466123U (en) * | 2013-08-14 | 2014-03-05 | 安徽硕日光电科技有限公司 | Single-phase vacuum circuit breaker actuated on basis of electromagnetic force |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107134394A (en) * | 2017-06-29 | 2017-09-05 | 国网山东省电力公司淄博供电公司 | Controller, the system and method for permanent-magnet breaker |
| CN108922823A (en) * | 2018-07-12 | 2018-11-30 | 安徽诚意电气科技有限公司 | A kind of quick electromagnetic push driven machine |
| CN108662414A (en) * | 2018-07-25 | 2018-10-16 | 安徽硕日光电科技有限公司 | A kind of harmonic wave and surge overvoltage protection device |
| CN108662414B (en) * | 2018-07-25 | 2023-07-04 | 安徽硕日光电科技有限公司 | Harmonic surge overvoltage protector |
| CN110379666A (en) * | 2018-08-09 | 2019-10-25 | 安徽合凯电气科技股份有限公司 | A kind of vacuum switch and associated mechanisms, system and application |
| CN113725036A (en) * | 2021-08-17 | 2021-11-30 | 安徽合凯电气科技股份有限公司 | Outdoor vortex repulsion high-speed pole-mounted circuit breaker |
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