CN203086037U - Electromagnetic locking device for fixed contact valve of circuit breaker of switch cabinet - Google Patents
Electromagnetic locking device for fixed contact valve of circuit breaker of switch cabinet Download PDFInfo
- Publication number
- CN203086037U CN203086037U CN 201320125315 CN201320125315U CN203086037U CN 203086037 U CN203086037 U CN 203086037U CN 201320125315 CN201320125315 CN 201320125315 CN 201320125315 U CN201320125315 U CN 201320125315U CN 203086037 U CN203086037 U CN 203086037U
- Authority
- CN
- China
- Prior art keywords
- solenoid
- following
- last
- valve
- electromagnet
- 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
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to the technical field of locking devices for fixed contact valves of circuit breakers of switch cabinets, and discloses an electromagnetic locking device for a fixed contact valve of a circuit breaker of a switch cabinet. The device comprises a cabinet body, a contact box mounting plate, a left guide rod, a right guide rod, a valve transmission mechanism, an upper valve plate, a lower valve plate, electromagnetic locking mechanisms and a travel switch. The electromagnetic locking mechanisms with electromagnetic coils are arranged at positions opposite to the upper and lower valve plates on the contact box mounting plate, and can be used for locking the upper and lower valve plates when the electromagnetic coils are powered on, and unlocking the upper and lower valve plates when the electromagnetic coils are powered off. The electromagnetic coils are electrically connected with a power supply through an excitation circuit. The travel switch is fixedly arranged on a front side plate of the cabinet body. The device is rational and compact in structure and convenient to use; and the upper and lower valve plates are locked by the electromagnetic locking mechanisms, and the power-on and the power-off of the electromagnetic locking mechanisms are controlled by the travel switch, so that the device has the characteristics of safety, convenience and reliability.
Description
Technical field
The utility model relates to switch cubicle circuit breaker fixed contact valve locking device technical field, is a kind of switch cubicle circuit breaker fixed contact valve locked with electromagnet device.
Background technology
At present in the KYN28A high-tension switch cabinet, prevent that upper and lower mouthful of isolating and protecting measure of the charged circuit breaker of bus bar side from being realized protecting by the valve transmission mechanism, the opening and closing of valve are to open guide plate by the valve of circuit breaker cart bottom to realize opening and closing.When circuit breaker cart advances to the process of service position from test position, circuit breaker cart base plate valve open guide plate by with the valve drive-train means in the left and right side connecting plate push, make upper and lower valve open, upper and lower contact arm of circuit breaker cart and the engagement of upper and lower fixed contact; When circuit breaker cart is stepped back to test position from the service position, when circuit breaker cart base plate valve is opened guide plate and left and right side connecting plate in the valve drive-train means is not contacted, upper and lower valve is closed, this moment, upper and lower valve was in the protective action that closed condition has played the upper and lower fracture isolation of circuit breaker, though but the valve of this moment is to be in to close, the valve transmission mechanism all might be opened under the situation of careless external force.As when overhauling, the maintainer opens valve because of carelessness just Danger Electric shock risk.Therefore, existing switch cubicle circuit breaker fixed contact valve has the following disadvantages in actual use: still can be opened, exist potential safety hazard under the valve closed condition.
Summary of the invention
The utility model provides a kind of switch cubicle circuit breaker fixed contact valve locked with electromagnet device, overcome the deficiency of above-mentioned prior art, it can effectively solve the problem that still can be opened, exist potential safety hazard under the valve closed condition that has the existence of switch cubicle circuit breaker fixed contact valve now.
The technical solution of the utility model realizes by following measure: a kind of switch cubicle circuit breaker fixed contact valve locked with electromagnet device comprises cabinet, contact box mounting panel, left guide rod, right guide rod, valve transmission mechanism, goes up valve plate, following valve plate, electromagnetic locking mechanism and travel switch; The internal fixation of cabinet has the contact box mounting panel, fixedly mount upper static contact and following fixed contact respectively in contact box mounting panel upper and lower, the cabinet inner chamber left part and the right part of corresponding contact box mounting panel anterior position are installed with left guide rod and right guide rod respectively, on the left guide rod of position, corresponding upper static contact dead ahead and the right guide rod by the valve transmission mechanism be equipped with can on the last valve plate that moves, by the valve transmission mechanism the following valve plate that can move down is installed on the left guide rod of corresponding time position, fixed contact dead ahead and the right guide rod; On the contact box mounting panel of valve plate and following valve plate position the electromagnetic locking mechanism that has solenoid is installed on the correspondence, electromagnetic locking mechanism can lock valve plate and following valve plate when solenoid is switched on also can release when solenoid cuts off the power supply, solenoid is electrically connected by field circuit and power supply, is installed with the travel switch that can promote to make the field circuit disconnection because of circuit breaker cart valve guide plate on the cabinet front side board.
Be further optimization and/or improvements below to above-mentioned utility model technical scheme:
Above-mentioned travel switch can be between the test position and service position of circuit breaker cart valve guide plate, the travel switch upper end has can be by the upper push-rod of circuit breaker cart valve guide plate lower end promotion, and travel switch inside is equipped with and can rotates the travel switch normally-closed contact that disconnects because of upper push-rod.
Above-mentioned electromagnetic locking mechanism can comprise the electromagnetic lock seat, goes up electromagnet, upper lock tongue, go up snap, electromagnetism lock, lower electromagnet, dead bolt and following snap down down, and solenoid comprises solenoid and following solenoid; The left end top of last valve plate is fixed with the upper plate boss, be installed with the electromagnetic lock seat on the contact box mounting panel of corresponding upper plate boss left, last electromagnet and last solenoid are fixedly mounted on the electromagnetic lock seat, last solenoid is electrically connected by field circuit and power supply, be equipped with on the right-hand last electromagnetic lock seat of last electromagnet and can stretch out and can be because of last solenoid magnetic force moves to right because of the move to left upper lock tongue of withdrawal of the spring force of locking, the left part of upper lock tongue is connected with last electromagnetic lock seat by last snap, and the right part of upper lock tongue stretches out electromagnetic lock seat right-hand member and is positioned at the top of upper plate boss; The left end bottom of following valve plate is fixed with the lower plate boss, be installed with down the electromagnetism lock on the contact box mounting panel of corresponding lower plate boss left, lower electromagnet and following solenoid are fixedly mounted on down on the electromagnetism lock, following solenoid is electrically connected by field circuit and power supply, be equipped with on the right-hand following electromagnetism lock of lower electromagnet and can stretch out and can be because of solenoid magnetic force down moves to right because of the move to left following dead bolt of withdrawal of snap elastic force down, the left part of following dead bolt is connected with following electromagnetism lock by descending snap, and the right part of following dead bolt stretches out following electromagnetism lock right-hand member and is positioned at the below of lower plate boss.
Above-mentioned field circuit can comprise power supply first utmost point, power supply second utmost point and travel switch normally-closed contact; One end of power supply first utmost point, travel switch normally-closed contact and last solenoid is electrically connected successively, and the other end of last solenoid and power supply second utmost point are electrically connected, and the two ends of following solenoid electricity respectively are connected in parallel on the two ends of solenoid.
The utility model reasonable and compact in structure, easy to use, it locks last valve plate and following valve plate by electromagnetic locking mechanism, power on/off by travel switch control electromagnetic locking mechanism, stop still can be opened, exist under the valve closed condition that switch cubicle circuit breaker fixed contact valve exists the problem of potential safety hazard, had safe, easy, reliable characteristics.
Description of drawings
Accompanying drawing 1 is the main TV structure schematic diagram of the utility model most preferred embodiment.
Coding in the accompanying drawing is respectively: 1 is cabinet, and 2 is the contact box mounting panel, and 3 is left guide rod, 4 is right guide rod, and 5 is last valve plate, and 6 are following valve plate, 7 is travel switch, and 8 is upper static contact, and 9 are following fixed contact, 10 is circuit breaker cart valve guide plate, and 11 is upper push-rod, and 12 is last electromagnetic lock seat, 13 is last electromagnet, and 14 is upper lock tongue, and 15 are following electromagnetism lock, 16 is lower electromagnet, and 17 are following dead bolt, and 18 is the upper plate boss, 19 is the lower plate boss, ST is the travel switch normally-closed contact, and KM1 is last solenoid, and KM2 is following solenoid, A is power supply first utmost point, B is power supply second utmost point, and D is a test position, and E is the service position.
Embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete execution mode according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description 1 is described, as: the position relation of forward and backward, upper and lower, left and right etc. is what to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
Shown in accompanying drawing 1,2, this switch cubicle circuit breaker fixed contact valve locked with electromagnet device comprises cabinet 1, contact box mounting panel 2, left guide rod 3, right guide rod 4, valve transmission mechanism, goes up valve plate 5, following valve plate 6, electromagnetic locking mechanism and travel switch 7; The internal fixation of cabinet 1 has contact box mounting panel 2, fixedly mount upper static contact 8 and following fixed contact 9 respectively in contact box mounting panel 2 upper and lowers, the cabinet 1 inner chamber left part and the right part of corresponding contact box mounting panel 2 anterior position are installed with left guide rod 3 and right guide rod 4 respectively, on the left guide rod 3 of position, corresponding upper static contact 8 dead ahead and the right guide rod 4 by the valve transmission mechanism be equipped with can on the last valve plate 5 that moves, by the valve transmission mechanism the following valve plate 6 that can move down is installed on the left guide rod 3 of corresponding time position, fixed contact 9 dead ahead and the right guide rod 4; On the contact box mounting panel 2 of valve plate 5 and following valve plate 6 positions the electromagnetic locking mechanism that has solenoid is installed on the correspondence, electromagnetic locking mechanism can lock valve plate 5 and following valve plate 6 when solenoid is switched on also can release when solenoid cuts off the power supply, solenoid is electrically connected by field circuit and power supply, is installed with the travel switch 7 that can promote to make the field circuit disconnection because of circuit breaker cart valve guide plate 10 on cabinet 1 front side board.When circuit breaker cart is in test position D, can lock last valve plate 5 and following valve plate 6 by electromagnetic locking mechanism, like this, even misoperation can not make valve plate 5 and following valve plate 6 open yet, thereby prevent Danger Electric shock risk, avoided the generation of accident; When circuit breaker cart when service position E moves, promote travel switches 7 by circuit breaker cart valve guide plate 10 field circuit disconnected, in time make electromagnetic locking mechanism remove locking to last valve plate 5 and following valve plate 6, more safe and reliable.
Can according to actual needs above-mentioned switch cubicle circuit breaker fixed contact valve locked with electromagnet device be made further optimization and/or improvements:
Shown in accompanying drawing 1,2,3, travel switch 7 is between the test position D and service position E of circuit breaker cart valve guide plate 10, travel switch 7 upper ends have can be by the upper push-rod 11 of circuit breaker cart valve guide plate 10 lower ends promotion, and travel switch 7 inside are equipped with and can rotate the travel switch normally-closed contact ST that disconnects because of upper push-rod 11.
Shown in accompanying drawing 1,2, electromagnetic locking mechanism comprises electromagnetic lock seat 12, goes up electromagnet 13, upper lock tongue 14, go up snap, electromagnetism lock 15, lower electromagnet 16, dead bolt 17 and following snap down down, and solenoid comprises solenoid KM1 and following solenoid KM2; The left end top of last valve plate 5 is fixed with upper plate boss 18, be installed with electromagnetic lock seat 12 on the contact box mounting panel 2 of corresponding upper plate boss 18 lefts, last electromagnet 13 and last solenoid KM1 are fixedly mounted on the electromagnetic lock seat 12, last solenoid KM1 is electrically connected by field circuit and power supply, be equipped with on the right-hand last electromagnetic lock seat 12 of last electromagnet 13 and can stretch out and can be because of last solenoid KM1 magnetic force moves to right because of the move to left upper lock tongue 14 of withdrawal of the spring force of locking, the left part of upper lock tongue 14 is connected with last electromagnetic lock seat 12 by last snap, and the right part of upper lock tongue 14 stretches out electromagnetic lock seat 12 right-hand members and is positioned at the top of upper plate boss 18; The left end bottom of following valve plate 6 is fixed with lower plate boss 19, be installed with down electromagnetism lock 15 on the contact box mounting panel 2 of corresponding lower plate boss 19 lefts, lower electromagnet 16 and following solenoid KM2 are fixedly mounted on down on the electromagnetism lock 15, following solenoid KM2 is electrically connected by field circuit and power supply, be equipped with on the right-hand following electromagnetism lock 15 of lower electromagnet 16 and can stretch out and can be because of solenoid KM2 magnetic force down moves to right because of the move to left following dead bolt 17 of withdrawal of snap elastic force down, the left part of following dead bolt 17 is connected with following electromagnetism lock 15 by descending snap, and the right part of following dead bolt 17 stretches out following electromagnetism lock 15 right-hand members and is positioned at the below of lower plate boss 19.Can lock last valve plate 5 by upper lock tongue 14, can lock following valve plate 6 by following dead bolt 17.
As shown in Figure 3, field circuit comprises power supply first utmost point A, power supply second utmost point B and travel switch normally-closed contact ST; The end of power supply first utmost point A, travel switch normally-closed contact ST and last solenoid KM1 is electrically connected successively, the other end of last solenoid KM1 and power supply second utmost point B are electrically connected, and the two ends of following solenoid KM2 electricity respectively are connected in parallel on the two ends of solenoid KM1.By travel switch normally-closed contact ST, can when circuit breaker cart valve guide plate 10 is depressed upper push-rod 11, in time make solenoid KM1 and following solenoid KM2 outage, make upper lock tongue 14 and following dead bolt 17 releasing in time the locking of last valve plate 5 and following valve plate 6.
Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.
The use of the utility model most preferred embodiment: when switch cubicle is in running status, circuit breaker cart is positioned at service position E, circuit breaker cart valve guide plate 10 is pressed on the valve transmission mechanism, last valve plate 5 and following valve plate 6 are in open mode, circuit breaker cart valve guide plate 10 is pressed on the upper push-rod 11 of travel switch 7 simultaneously, travel switch normally-closed contact ST is in off-state, field circuit keeps disconnecting, solenoid KM1 and following solenoid KM2 are in power failure state and can produce magnetic force on this moment, upper lock tongue 14 and following dead bolt 17 keep retracted mode under the elastic force of snap, can not move.
When switch cubicle changes inspecting state into by running status, circuit breaker cart retreats to test position D from service position E, circuit breaker cart valve guide plate 10 leaves the valve transmission mechanism, last valve plate 5 and following valve plate 6 are closed, circuit breaker cart valve guide plate 10 still is pressed on the upper push-rod 11 of travel switch 7 at this moment, travel switch normally-closed contact ST is in off-state, field circuit keeps disconnecting, solenoid KM1 and following solenoid KM2 are in power failure state and can produce magnetic force on this moment, and upper lock tongue 14 keeps retracted mode with following dead bolt 17 under the elastic force of snap; Afterwards, circuit breaker cart valve guide plate 10 leaves the upper push-rod 11 of travel switch 7, travel switch normally-closed contact ST closure, latching electromagnet get, last solenoid KM1 and following solenoid KM2 produce magnetic force, upper lock tongue 14 and following dead bolt 17 move to right under the magneticaction of last solenoid KM1 and following solenoid KM2 and stretch out and valve plate 5 and following valve plate 6 are locked, valve has been realized locking, thereby has guaranteed related personnel's personal safety.
When switch cubicle is in inspecting state, circuit breaker cart is positioned at test position D, circuit breaker cart valve guide plate 10 does not contact with the valve transmission mechanism, also do not contact simultaneously with travel switch 7, travel switch normally-closed contact ST is in closure state, field circuit is connected, on this moment solenoid KM1 and following solenoid KM2 be in electricity condition and produce magnetic force, upper lock tongue 14 and following dead bolt 17 keep stretching out state under the magneticaction of last solenoid KM1 and following solenoid KM2, upper lock tongue 14 and following dead bolt 17 will be gone up valve plate 5 and 6 lockings of following valve plate, valve plate 5 and following valve plate 6 can't be opened under the careless external force, thereby guarantee safety.
After line maintenance is finished, circuit breaker cart is pushed away before the E of service position from test position D, at first, circuit breaker cart valve guide plate 10 contacts with the upper push-rod 11 of travel switch 7, and travel switch normally-closed contact ST is disconnected; Then, field circuit disconnects, goes up solenoid KM1 and following solenoid KM2 dead electricity, the magnetic force of last solenoid KM1 and following solenoid KM2 disappears, and upper lock tongue 14 and following dead bolt 17 are withdrawn under the elastic force of snap, has removed the locking to last valve plate 5 and following valve plate 6; Then, circuit breaker cart valve guide plate 10 contacts with the valve transmission mechanism, and circuit breaker cart valve guide plate 10 continues reach and promotes the valve transmission mechanism, and feasible upward valve plate 5 and following valve plate 6 are opened; Afterwards, circuit breaker cart arrives service position E and location, circuit breaker cart valve guide plate 10 is pressed on the valve transmission mechanism, last valve plate 5 and following valve plate 6 are in open mode, circuit breaker cart valve guide plate 10 is pressed on the upper push-rod 11 of travel switch 7 simultaneously, travel switch normally-closed contact ST is in off-state, field circuit keeps disconnecting, solenoid KM1 and following solenoid KM2 are in power failure state and can produce magnetic force on this moment, upper lock tongue 14 and following dead bolt 17 keep retracted mode under the elastic force of snap, can not move.
Claims (5)
1. a switch cubicle circuit breaker fixed contact valve locked with electromagnet device is characterized in that comprising cabinet, contact box mounting panel, left guide rod, right guide rod, valve transmission mechanism, goes up valve plate, following valve plate, electromagnetic locking mechanism and travel switch; The internal fixation of cabinet has the contact box mounting panel, fixedly mount upper static contact and following fixed contact respectively in contact box mounting panel upper and lower, the cabinet inner chamber left part and the right part of corresponding contact box mounting panel anterior position are installed with left guide rod and right guide rod respectively, on the left guide rod of position, corresponding upper static contact dead ahead and the right guide rod by the valve transmission mechanism be equipped with can on the last valve plate that moves, by the valve transmission mechanism the following valve plate that can move down is installed on the left guide rod of corresponding time position, fixed contact dead ahead and the right guide rod; On the contact box mounting panel of valve plate and following valve plate position the electromagnetic locking mechanism that has solenoid is installed on the correspondence, electromagnetic locking mechanism can lock valve plate and following valve plate when solenoid is switched on also can release when solenoid cuts off the power supply, solenoid is electrically connected by field circuit and power supply, is installed with the travel switch that can promote to make the field circuit disconnection because of circuit breaker cart valve guide plate on the cabinet front side board.
2. switch cubicle circuit breaker fixed contact valve locked with electromagnet device according to claim 1, it is characterized in that travel switch is between the test position and service position of circuit breaker cart valve guide plate, the travel switch upper end has can be by the upper push-rod of circuit breaker cart valve guide plate lower end promotion, and travel switch inside is equipped with and can rotates the travel switch normally-closed contact that disconnects because of upper push-rod.
3. switch cubicle circuit breaker fixed contact valve locked with electromagnet device according to claim 1, it is characterized in that electromagnetic locking mechanism comprises the electromagnetic lock seat, goes up electromagnet, upper lock tongue, go up snap, electromagnetism lock, lower electromagnet, dead bolt and following snap down down, solenoid comprises solenoid and following solenoid; The left end top of last valve plate is fixed with the upper plate boss, be installed with the electromagnetic lock seat on the contact box mounting panel of corresponding upper plate boss left, last electromagnet and last solenoid are fixedly mounted on the electromagnetic lock seat, last solenoid is electrically connected by field circuit and power supply, be equipped with on the right-hand last electromagnetic lock seat of last electromagnet and can stretch out and can be because of last solenoid magnetic force moves to right because of the move to left upper lock tongue of withdrawal of the spring force of locking, the left part of upper lock tongue is connected with last electromagnetic lock seat by last snap, and the right part of upper lock tongue stretches out electromagnetic lock seat right-hand member and is positioned at the top of upper plate boss; The left end bottom of following valve plate is fixed with the lower plate boss, be installed with down the electromagnetism lock on the contact box mounting panel of corresponding lower plate boss left, lower electromagnet and following solenoid are fixedly mounted on down on the electromagnetism lock, following solenoid is electrically connected by field circuit and power supply, be equipped with on the right-hand following electromagnetism lock of lower electromagnet and can stretch out and can be because of solenoid magnetic force down moves to right because of the move to left following dead bolt of withdrawal of snap elastic force down, the left part of following dead bolt is connected with following electromagnetism lock by descending snap, and the right part of following dead bolt stretches out following electromagnetism lock right-hand member and is positioned at the below of lower plate boss.
4. switch cubicle circuit breaker fixed contact valve locked with electromagnet device according to claim 2, it is characterized in that electromagnetic locking mechanism comprises the electromagnetic lock seat, goes up electromagnet, upper lock tongue, go up snap, electromagnetism lock, lower electromagnet, dead bolt and following snap down down, solenoid comprises solenoid and following solenoid; The left end top of last valve plate is fixed with the upper plate boss, be installed with the electromagnetic lock seat on the contact box mounting panel of corresponding upper plate boss left, last electromagnet and last solenoid are fixedly mounted on the electromagnetic lock seat, last solenoid is electrically connected by field circuit and power supply, be equipped with on the right-hand last electromagnetic lock seat of last electromagnet and can stretch out and can be because of last solenoid magnetic force moves to right because of the move to left upper lock tongue of withdrawal of the spring force of locking, the left part of upper lock tongue is connected with last electromagnetic lock seat by last snap, and the right part of upper lock tongue stretches out electromagnetic lock seat right-hand member and is positioned at the top of upper plate boss; The left end bottom of following valve plate is fixed with the lower plate boss, be installed with down the electromagnetism lock on the contact box mounting panel of corresponding lower plate boss left, lower electromagnet and following solenoid are fixedly mounted on down on the electromagnetism lock, following solenoid is electrically connected by field circuit and power supply, be equipped with on the right-hand following electromagnetism lock of lower electromagnet and can stretch out and can be because of solenoid magnetic force down moves to right because of the move to left following dead bolt of withdrawal of snap elastic force down, the left part of following dead bolt is connected with following electromagnetism lock by descending snap, and the right part of following dead bolt stretches out following electromagnetism lock right-hand member and is positioned at the below of lower plate boss.
5. according to claim 3 or 4 described switch cubicle circuit breaker fixed contact valve locked with electromagnet devices, it is characterized in that field circuit comprises power supply first utmost point, power supply second utmost point and travel switch normally-closed contact; One end of power supply first utmost point, travel switch normally-closed contact and last solenoid is electrically connected successively, and the other end of last solenoid and power supply second utmost point are electrically connected, and the two ends of following solenoid electricity respectively are connected in parallel on the two ends of solenoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125315 CN203086037U (en) | 2013-03-19 | 2013-03-19 | Electromagnetic locking device for fixed contact valve of circuit breaker of switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320125315 CN203086037U (en) | 2013-03-19 | 2013-03-19 | Electromagnetic locking device for fixed contact valve of circuit breaker of switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203086037U true CN203086037U (en) | 2013-07-24 |
Family
ID=48831842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320125315 Expired - Fee Related CN203086037U (en) | 2013-03-19 | 2013-03-19 | Electromagnetic locking device for fixed contact valve of circuit breaker of switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203086037U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545146A (en) * | 2013-10-28 | 2014-01-29 | 山东卓尔电气有限公司 | Center locking type straight-operation alternating current contactor |
| CN104377583A (en) * | 2014-11-28 | 2015-02-25 | 国家电网公司 | Vehicle-mounted device of 10kVPT switch cabinet busbar lightning arrester |
| CN105914633A (en) * | 2016-06-12 | 2016-08-31 | 阜新海鑫电力器材有限公司 | Switch-cabinet double-baffle-type safety opening device |
| CN106025893A (en) * | 2016-06-13 | 2016-10-12 | 北京龙源开关设备有限责任公司 | Valve baffle plate opening device for contact box in armored run-out type switch cabinet |
| CN106877223A (en) * | 2017-03-24 | 2017-06-20 | 国网甘肃省电力公司兰州供电公司 | A kind of valve mechanism locking system |
| CN107561322A (en) * | 2017-08-14 | 2018-01-09 | 国网山东省电力公司烟台供电公司 | A kind of batch meter unblock power transmission device |
| CN109473897A (en) * | 2018-06-06 | 2019-03-15 | 国网浙江江山市供电有限公司 | A kind of wheelbarrow switch cabinet static contact false-touch prevention blocking device |
| CN109914930A (en) * | 2019-01-24 | 2019-06-21 | 国网山东省电力公司日照供电公司 | A kind of dynamic and static contact isolation baffle plate safety lock of switchgear and control method |
-
2013
- 2013-03-19 CN CN 201320125315 patent/CN203086037U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103545146A (en) * | 2013-10-28 | 2014-01-29 | 山东卓尔电气有限公司 | Center locking type straight-operation alternating current contactor |
| CN103545146B (en) * | 2013-10-28 | 2016-01-27 | 山东卓尔电气有限公司 | Central locked straight running alternating-current contactor |
| CN104377583A (en) * | 2014-11-28 | 2015-02-25 | 国家电网公司 | Vehicle-mounted device of 10kVPT switch cabinet busbar lightning arrester |
| CN105914633A (en) * | 2016-06-12 | 2016-08-31 | 阜新海鑫电力器材有限公司 | Switch-cabinet double-baffle-type safety opening device |
| CN106025893A (en) * | 2016-06-13 | 2016-10-12 | 北京龙源开关设备有限责任公司 | Valve baffle plate opening device for contact box in armored run-out type switch cabinet |
| CN106877223A (en) * | 2017-03-24 | 2017-06-20 | 国网甘肃省电力公司兰州供电公司 | A kind of valve mechanism locking system |
| CN107561322A (en) * | 2017-08-14 | 2018-01-09 | 国网山东省电力公司烟台供电公司 | A kind of batch meter unblock power transmission device |
| CN109473897A (en) * | 2018-06-06 | 2019-03-15 | 国网浙江江山市供电有限公司 | A kind of wheelbarrow switch cabinet static contact false-touch prevention blocking device |
| CN109914930A (en) * | 2019-01-24 | 2019-06-21 | 国网山东省电力公司日照供电公司 | A kind of dynamic and static contact isolation baffle plate safety lock of switchgear and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203086037U (en) | Electromagnetic locking device for fixed contact valve of circuit breaker of switch cabinet | |
| CN104319130A (en) | Operating mechanism and locking device thereof | |
| CN201349095Y (en) | Bus socket automatic on-off device of drawer functional unit in low-voltage switch cabinet | |
| CN203039283U (en) | Locking mechanism for earthing switch of switch cabinet | |
| CN201886949U (en) | Strong-current locking device for earth switch of high-voltage switch cabinet | |
| CN201887340U (en) | Strong-current locking device of high-voltage switch cabinet door | |
| CN202167781U (en) | Latching electromagnet protective device for a switch cabinet grounding switch hole valve | |
| CN201504019U (en) | Interlocking device for circuit breaker chamber door of high-voltage switch cabinet | |
| CN202696026U (en) | Earthing switch valve device of centrally installed switchgear | |
| CN102568934A (en) | Central locked straight running alternating-current contactor | |
| CN201315419Y (en) | Net door interlocking device for transformer room | |
| CN203859407U (en) | Intelligent-type locking device for switch cabinet | |
| CN201717209U (en) | Molded case drawout low-pressure breaker | |
| CN103195302A (en) | Electric lock for locomotives | |
| CN103199614A (en) | Two-way alternating current inlet wire and connection power distribution control method | |
| CN206004143U (en) | Transformer cabinet door safety interlock system | |
| CN203135225U (en) | Isolation operation case | |
| CN207183148U (en) | A kind of outdoor high-voltage isolating switch main switch knife structure | |
| CN201478729U (en) | Indoor box-type metal enclosed ring main unit | |
| CN205943913U (en) | Emergency brake -dividing device | |
| CN205230879U (en) | Mechanical interlocking between solid insulation looped netowrk cabinet earthing switch and cable chamber | |
| CN209169035U (en) | A kind of safe interlocked control switch | |
| CN105162023B (en) | 35kV switchgear isolating baffle plate mechanical blocking apparatus | |
| CN215955772U (en) | Intrinsic safety type five-prevention device for rectification grid gate | |
| CN203039277U (en) | Valve self-locking mechanism of centrally-mounted switch cabinet |
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: 20130724 Termination date: 20180319 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |