CN201311872Y - Vacuum circuit breaker - Google Patents
Vacuum circuit breaker Download PDFInfo
- Publication number
- CN201311872Y CN201311872Y CNU2008202170327U CN200820217032U CN201311872Y CN 201311872 Y CN201311872 Y CN 201311872Y CN U2008202170327 U CNU2008202170327 U CN U2008202170327U CN 200820217032 U CN200820217032 U CN 200820217032U CN 201311872 Y CN201311872 Y CN 201311872Y
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- CN
- China
- Prior art keywords
- electromagnet
- connecting plate
- breaker
- vacuum circuit
- tripping
- 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.)
- Expired - Fee Related
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a vacuum circuit breaker, comprising an insulated pull rod, a closing electromagnet, a tripping electromagnet installment frame, an auxiliary switch connecting board, a jumper board, a circuit board loading board and a loss voltage trip unit. The structure can improve the working efficiency, save time, obtain simple and easy operation and reduce production cost of vacuum circuit breaker.
Description
Technical field
The utility model relates to the technical field of vacuum circuit-breaker, especially a kind of vacuum circuit-breaker that is applicable under the mesohigh.
Background technology
Vacuum circuit-breaker in using at present, have following shortcoming: 1. pull bar in the previously used insulated tension pole and connector are integral type, need parts be disposable takes out in insulating cylinder with whole insulated tension pole, vacuum interrupter etc. when regulating the excess of stroke, also need after adjusting parts such as whole insulated tension pole, vacuum interrupter are refilled in insulating cylinder, the work of repeatability is more, has reduced the operating efficiency of mesohigh vacuum circuit-breaker; 2. when making electromagnet being installed, be the framework inside that making electromagnet is anchored on vacuum circuit-breaker with bolt, nut, just make that whole space is narrow and small, the parts such as the motor of vacuum circuit-breaker, interlock plate, transmission device if the replacing making electromagnet just need be dismantled, after replacing is finished, in that the parts installation of dismounting is gone back, many working procedures have been increased, very trouble, inconvenience; 3. the installing rack of tripping electromagnet is an overall structure, when maintenance or replacing tripping electromagnet, need the parts of whole tripping electromagnet are removed from framework, after the tripping electromagnet line is cut, could take out tripping electromagnet from installing rack, working procedure bothers and is very inconvenient very much; 4. the material of auxiliary switch connecting plate is a copper coin, and its shortcoming is that when the main shaft velocity of rotation was fast, the auxiliary switch connecting plate was easy to distortion, and hardness is not enough; The processing cost of copper coin is higher; 5. former wiring board is single, if cancellation anti-trip relay or rectifier bridge need to change other wiring board, causes confusion easily, uses inconvenient; 6. its wiring board is directly to be installed on the framework, when the circuit of vacuum circuit breaker need be checked, thread-changing or when relocating, just wiring board need be removed from vacuum circuit-breaker, very inconvenient, need a kind of wiring board of need not dismantling just can relocate or the device of thread-changing;
The utility model content
The technical problems to be solved in the utility model is: a kind of not only practical but also vacuum circuit-breaker simple to operate are provided.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of vacuum circuit-breaker has insulated tension pole, making electromagnet, tripping electromagnet installing rack, auxiliary switch connecting plate, jumper wire board, wiring board and carries dress plate and device for under-voltage releasing equipment;
Described insulated tension pole has pull bar and connector, and the pull bar lower end has coupling bar, and connector is fastened on the coupling bar of pull bar lower end by dish spring and nut;
Be set with the connecting plate that is connected in order to vacuum circuit-breaker on described making electromagnet, an end of connecting plate is made as inserted terminal, and the other end has screw; On vacuum circuit-breaker, have the square groove corresponding, and extend the stator that is attached thereto for connecting plate with the inserted terminal of connecting plate; After the inserted terminal of connecting plate inserted square groove, the other end was connected by bolt and nut with described stator;
Described tripping electromagnet installing rack has the electromagnet body frame that is fixedly installed in vacuum circuit-breaker, and the electromagnet subframe corresponding with the electromagnet body frame, and a side corresponding end of electromagnet body frame, electromagnet subframe is hinged by bearing pin, opposite side corresponding end snapping;
Described auxiliary switch connecting plate its in order to carry out the switching of auxiliary switch with the rotation of mechanism's main shaft, described auxiliary switch connecting plate is a steel plate structure;
Described jumper wire board has circuit board, and circuit board is provided with anti-trip relay, rectifier bridge, also is provided with the wire jumper socket on the circuit board, is plugged with the wire jumper insert-connecting plate on the wire jumper socket;
Described wiring board carries the dress plate to be formed by the substrate of shaped as frame open type and as the locking bar that seals, and an end of described locking bar one end and open type substrate is hinged, the other end snapping of the other end and substrate; Be provided with in order to the mounting groove of wiring board to be installed in the inboard of substrate and locking bar;
Described device for under-voltage releasing equipment has undervoltage tripping wiring board, blocking coil and the tripping coil that is electrically connected mutually, is powered with storage capacitor on the described undervoltage tripping wiring board, is powered with sensitive switch on the blocking coil.
The beneficial effects of the utility model are that of the present utility model minute body structure increases connector as adjusting link, need not parts such as insulated tension pole and vacuum interrupter are taken out in insulating cylinder, improved production efficiency greatly, reduced labour intensity; The dismounting of making electromagnet and tripping electromagnet installing rack can be realized the dismounting of making electromagnet and tripping electromagnet rapidly, easily, have improved the operating efficiency of circuit breaker; The auxiliary switch connecting plate is formed by the steel plate manufacturing, and the connecting plate processing cost reduces greatly, and its hardness is improved; The structure of jumper wire board, it is convenient and swift to relocate, and need not to change wiring board can increase or cancel anti-trip relay and rectifier bridge function; Wiring board carry the dress plate, adopt the buckle-type structure, in the needs thread-changing or when relocating, only need wiring board is taken out in the mounting groove that carries the dress plate, after finishing, put wiring board into mounting groove again, save time, improved operating efficiency.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is an overall structure schematic diagram of the present utility model.
Fig. 2 is a partial sectional view of the present utility model.
Fig. 3 is the structural representation of the utility model insulated tension pole.
Fig. 4 is the structural representation that the utility model making electromagnet is installed.
Fig. 5 is the structural representation of the utility model tripping electromagnet installing rack.
Fig. 6 is the structural representation of the utility model auxiliary switch connecting plate.
Fig. 7 is the structural representation of the utility model jumper wire board.
Fig. 8 is the structural representation that the utility model wiring board carries the dress plate.
Fig. 9 is the structural representation of the utility model device for under-voltage releasing equipment.
Among the figure: 1. vacuum circuit breaker 1-1. stator 2. insulated tension pole 2-1. pull bar 2-1-1. coupling bar 2-2. connector 2-3. dish spring 2-4. nuts 3. making electromagnet 3-1. connecting plates 4. tripping electromagnet installment frame 4-1. electromagnet body frame 4-2. electromagnet subframes 5. auxiliary switchboards 6. jumper wire board 6-1. circuit board 6-2. anti-trip relay 6-3. rectifier bridge 6-4. wire jumper interface 6-5. wire jumper insert-connecting plates 7. wiring boards carry dress plate 7-1. substrate 7-2. locking bar 8. device for under-voltage releasing equipment 8-1. undervoltage tripping wiring board 8-2. blocking coil 8-3. tripping coil 8-4. storage capacitor 8-5. microswitches.
Embodiment
Vacuum circuit-breaker 1 as shown in Figure 1 has making electromagnet 3, tripping electromagnet installing rack 4, auxiliary switch connecting plate 5, jumper wire board 6, wiring board and carries dress plate 7 and device for under-voltage releasing equipment 8.
Vacuum circuit-breaker as shown in Figure 2 has insulated tension pole 2.
Insulated tension pole is when the length of the use of adjusting yoke 1, only need unclamp nut 4, clockwise or be rotated counterclockwise connector 2, just can realize the adjusting of pull bar 1 in the use length excess of stroke, need when regulating the excess of stroke, the associated components of insulated tension pole not taken out in insulating cylinder.
Be set with the connecting plate 3-1 that is connected in order to vacuum circuit-breaker 1 on the making electromagnet 3 as shown in Figure 4, the end of connecting plate 3-1 is made as inserted terminal, and the other end has screw; On vacuum circuit-breaker 1, have the square groove corresponding, and extend the stator 1-1 that is attached thereto for connecting plate 3-1 with the inserted terminal of connecting plate 3-1; After the inserted terminal of connecting plate 3-2 inserted square groove, the other end was connected by bolt and nut with described stator 1-1.
Changing or during the maintenance making electromagnet, only making electromagnet one end need come loose with the nut that stator 1-1 is connected,, just realizing the dismantlement work of making electromagnet taking out in the inserted terminal of the connecting plate 2-1 square groove from the breaker body 1; During installation, in the square groove on the inserted terminal insertion breaker body 1 of connecting plate 2-1, the nut that fastening again making electromagnet one end is connected with stator 1-1 just is installed in making electromagnet on the breaker body 1 easily.
Tripping electromagnet installing rack 4 as shown in Figure 5 has the electromagnet body frame 4-1 that is fixedly installed in vacuum circuit-breaker 1, and the electromagnet subframe 4-2 corresponding with electromagnet body frame 4-1, the side corresponding end of electromagnet body frame 4-1, electromagnet subframe 4-2 is hinged by bearing pin, opposite side corresponding end snapping.
When the tripping electromagnet of changing or keeping in repair on the vacuum circuit-breaker, open a side of electromagnet subframe 2-2 and electromagnet body frame 2-1 snapping, just tripping electromagnet can be taken out from installing rack 2, after tripping electromagnet is changed or maintenance finishes, again tripping electromagnet is put into installing rack 2, with electromagnet subframe 2-2 and electromagnet body frame 2-1 snapping.
Auxiliary switch connecting plate 5 as shown in Figure 6 its in order to carry out the switching of auxiliary switch with the rotation of mechanism's main shaft, described auxiliary switch connecting plate 5 is a steel plate structure.
When the vacuum circuit breaker divides fashionablely, the auxiliary switch connecting plate 1 that the mechanism main shaft drives on the circuit breaker rotates, and auxiliary switch is switched, auxiliary switch connecting plate 1 changed the steel plate manufacturing into by former copper coin, its hardness increases, and when mechanism's main shaft velocity of rotation is very fast, also is not easy to deform.
Time cancellation anti-trip relay 6-2 or rectifier bridge if will relocate as long as patch sheet 6-5 and carry out wire jumper and can realize this function by plugging and unplugging corresponding wire jumper, make the utility model production standard degree height, and it is convenient and swift to relocate, the efficient height.
Wiring board as shown in Figure 8 carries dress plate 7 to be formed by the substrate 7-1 of shaped as frame open type and as the locking bar 7-2 that seals, and the end of described locking bar 7-2 one end and open type substrate 7-1 is hinged, the other end snapping of the other end and substrate 7-1; Be provided with in order to the mounting groove of wiring board to be installed in the inboard of substrate 7-1 and locking bar 7-2.
When vacuum circuit-breaker need carry out thread-changing or relocate, open the end that locking bar 1-2 and substrate 1-1 are interlockingly connected, just wiring board can be taken out in mounting groove, after thread-changing or relocate is finished, again wiring board is put into mounting groove.
Device for under-voltage releasing equipment 8 as shown in Figure 9 has undervoltage tripping wiring board 8-1, blocking coil 8-2 and the tripping coil 8-3 that is electrically connected mutually, it is characterized in that: be powered with storage capacitor 8-4 on the described undervoltage tripping wiring board 8-1, be powered with sensitive switch 8-5 on the blocking coil 8-2.
When voltage be rated voltage 85% and when above, blocking coil 8-2 adhesive, guaranteed that mechanism has carried out the preparation of closing a floodgate, the sensitive switch 8-5 that drives simultaneously on the blocking coil 8-2 switches, from the electric connection that guarantees closing circuit, satisfied when voltage is 85% and the requirement that can close a floodgate when above of rated voltage, this moment, storage capacitor also began to store electric weight, and this blocking coil 8-2 is that 65% o'clock of rated voltage still is in attracting state at voltage, guaranteed when voltage be rated voltage 65% the time circuit breaker non-shut-brake, when voltage be rated voltage 35% and when following, blocking coil 8-2 discharges, the sensitive switch 8-5 that drives on the blocking coil 8-2 switches, and has connected sub-gate circuit, allows be stored in electric weight instantaneous relase in the storage capacitor, drive tripping coil 8-3 action, make breaker open operation, satisfied when voltage be rated voltage 35% and when following, the requirement of the reliable separating brake of circuit breaker.
Claims (1)
1. a vacuum circuit-breaker (1) is characterized in that: have insulated tension pole (2), making electromagnet (3), tripping electromagnet installing rack (4), auxiliary switch connecting plate (5), jumper wire board (6), wiring board and carry dress plate (7) and device for under-voltage releasing equipment (8);
Described insulated tension pole (2) has pull bar (2-1) and connector (2-2), and pull bar (2-1) lower end has coupling bar (2-1-1), and connector (2-2) is fastened on the coupling bar of pull bar (2-1) lower end by dish spring (2-3) and nut (2-4);
Be set with the connecting plate (3-1) that is connected in order to vacuum circuit-breaker (1) on described making electromagnet (3), an end of connecting plate (3-1) is made as inserted terminal, and the other end has screw; On vacuum circuit-breaker (1), have the corresponding square groove of inserted terminal with connecting plate (3-1), and extend the stator (1-1) that is attached thereto for connecting plate (3-1); After the inserted terminal of connecting plate (3-2) inserted square groove, the other end was connected by bolt and nut with described stator (1-1);
Described tripping electromagnet installing rack (4) has the electromagnet body frame (4-1) that is fixedly installed in vacuum circuit-breaker (1), and the electromagnet subframe (4-2) corresponding with electromagnet body frame (4-1), one side corresponding end of electromagnet body frame (4-1), electromagnet subframe (4-2) is hinged by bearing pin, opposite side corresponding end snapping;
Described auxiliary switch connecting plate (5) its in order to carry out the switching of auxiliary switch with the rotation of mechanism's main shaft, described auxiliary switch connecting plate (5) is a steel plate structure;
Described jumper wire board (6) has circuit board (6-1), circuit board (6-1) is provided with anti-trip relay (6-2), rectifier bridge (6-3), also be provided with wire jumper socket (6-4) on the circuit board (6-1), be plugged with wire jumper insert-connecting plate (6-5) on the wire jumper socket (6-4);
Described wiring board carries dress plate (7) to be formed by the substrate (7-1) of shaped as frame open type and as the locking bar (7-2) that seals, one end of described locking bar (7-2) one end and open type substrate (7-1) is hinged, the other end snapping of the other end and substrate (7-1); Be provided with in order to the mounting groove of wiring board to be installed in the inboard of substrate (7-1) and locking bar (7-2);
Described device for under-voltage releasing equipment (8) has undervoltage tripping wiring board (8-1), blocking coil (8-2) and the tripping coil (8-3) that is electrically connected mutually, be powered with storage capacitor (8-4) on the described undervoltage tripping wiring board (8-1), be powered with sensitive switch (8-5) on the blocking coil (8-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202170327U CN201311872Y (en) | 2008-11-26 | 2008-11-26 | Vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202170327U CN201311872Y (en) | 2008-11-26 | 2008-11-26 | Vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201311872Y true CN201311872Y (en) | 2009-09-16 |
Family
ID=41109129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202170327U Expired - Fee Related CN201311872Y (en) | 2008-11-26 | 2008-11-26 | Vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201311872Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194603A (en) * | 2010-03-01 | 2011-09-21 | 张琪 | Permanent magnetic vacuum unidirectional switch and circuit breaker and contactor combined switch |
| CN102194602A (en) * | 2010-03-01 | 2011-09-21 | 阳泉华盛矿用设备厂有限公司 | Permanent magnet vacuum unidirectional switch and multifunctional composition switch provided with same |
| CN102194601A (en) * | 2010-03-01 | 2011-09-21 | 张凯 | Permanent-magnetic vacuum one-way switch |
| EP2876660A1 (en) * | 2013-11-22 | 2015-05-27 | Eaton Corporation | Circuit breaker with low-clearance connections |
| CN111696818A (en) * | 2020-06-23 | 2020-09-22 | 广东电网有限责任公司 | Combined vacuum circuit breaker device |
-
2008
- 2008-11-26 CN CNU2008202170327U patent/CN201311872Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102194603A (en) * | 2010-03-01 | 2011-09-21 | 张琪 | Permanent magnetic vacuum unidirectional switch and circuit breaker and contactor combined switch |
| CN102194602A (en) * | 2010-03-01 | 2011-09-21 | 阳泉华盛矿用设备厂有限公司 | Permanent magnet vacuum unidirectional switch and multifunctional composition switch provided with same |
| CN102194601A (en) * | 2010-03-01 | 2011-09-21 | 张凯 | Permanent-magnetic vacuum one-way switch |
| CN102194602B (en) * | 2010-03-01 | 2014-06-25 | 阳泉华盛矿用设备厂有限公司 | Permanent magnet vacuum unidirectional switch and multifunctional composition switch provided with same |
| CN102194601B (en) * | 2010-03-01 | 2014-06-25 | 张凯 | Permanent-magnetic vacuum one-way switch |
| CN102194603B (en) * | 2010-03-01 | 2014-06-25 | 张琪 | Permanent magnetic vacuum unidirectional switch and circuit breaker and contactor combined switch |
| EP2876660A1 (en) * | 2013-11-22 | 2015-05-27 | Eaton Corporation | Circuit breaker with low-clearance connections |
| CN111696818A (en) * | 2020-06-23 | 2020-09-22 | 广东电网有限责任公司 | Combined vacuum circuit breaker device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20121126 |