CN201918299U - Permanent magnetic mechanism with isolated distribution-network automation switch - Google Patents
Permanent magnetic mechanism with isolated distribution-network automation switch Download PDFInfo
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- CN201918299U CN201918299U CN2010202923530U CN201020292353U CN201918299U CN 201918299 U CN201918299 U CN 201918299U CN 2010202923530 U CN2010202923530 U CN 2010202923530U CN 201020292353 U CN201020292353 U CN 201020292353U CN 201918299 U CN201918299 U CN 201918299U
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- main shaft
- junction panel
- permanent magnetic
- locating part
- vacuum circuit
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Abstract
The utility model discloses a permanent magnetic mechanism with an isolated distribution-network automation switch. The permanent magnetic mechanism comprises a vacuum breaker and an isolation switch. The isolation switch comprises three pairs of pillar insulators corresponding to three phases (A, B and C), three movable contact blades, three insulated draw rods, three main shaft crankarms, a main shaft provided with an interlocking device. For the three pairs of pillar insulators, one pillar insulator of each pair is provided with a connection contact which is movably connected with one end of one movable contact blade, and the other pillar insulator of the pair is provided with an on/off contact which is in contact with the other end of the movable contact blade or is disconnected with the other end of the movable contact blade; the movable contact blade is movably connected with the upper end of one insulated draw rod; the lower end of the insulated draw rod is movably connected with one end of one main shaft crankarm, and the other end of the main shaft crankarm is fixedly connected with the main shaft; and the main shaft is provided with the interlocking device which is driven by a revolving shaft of an on/off pointer, and the connection contacts of the three phases (A, B and C) are respectively connected with the three-phase (A, B and C) insulators of the vacuum breaker of the permanent magnetic mechanism. With the adoption of the permanent magnetic mechanism, a fracture can be seen visually and obviously, and the safety is effectively improved.
Description
Technical field:
The utility model relates to a kind of distribution automation switch that is applicable to the permanent magnet mechanism band isolation of the three-phase electrical power system deciliter load current, overload current and the short circuit current protection that exchange 12kV/50Hz; can be used as block switch and transformer station's turnover wiretap of city, rural power grids distribution system, also can form automatic power distribution system with the micro computer monitoring unit.
Background technology:
At present, normally used permanent magnet mechanism outdoor high-voltage alternating current vacuum circuit-breaker, in service at electric line, certain of A, B, C three-phase breaks down mutually, when making the breaker open operation interruption maintenance, do not see the electric line outage, bring potential safety hazard to maintenance, cause casualties, have a strong impact on electric line attendant safety.In order to improve fail safe, install isolating switch in addition additional in the circuit breaker outside, make complexity, cost height are installed.
Summary of the invention:
The purpose of this utility model be exactly can't the intuitive judgment electric line when solving permanent magnet mechanism outdoor high-voltage alternating current vacuum circuit-breaker separating brake the problem of outage whether fully, propose a kind of simple in structure, easy to operate, safe and reliable, obvious fracture is intuitively arranged, improve the distribution automation switch that the permanent magnet mechanism band of fail safe is isolated effectively.
For achieving the above object, the distribution automation switch that a kind of permanent magnet mechanism band of the utility model is isolated, comprise permanent magnetic actuator vacuum circuit breaker and isolating switch, described isolating switch comprises three pairs of post insulators of corresponding A BC three-phase, three movable touch knifes, three insulated tension poles, three main shaft connecting levers and main shaft and interlock, each of described three pairs of post insulators is right, an one post insulator is provided with an end of a movable touch knife flexibly connects and is connected contact, another post insulator is provided with deciliter contact that contacts or disconnect with the other end of this movable touch knife, the upper end of this movable touch knife and an insulated tension pole flexibly connects, one end of the lower end of this insulated tension pole and a main shaft connecting lever flexibly connects, the other end of this main shaft connecting lever is fixedlyed connected with main shaft, this main shaft is provided with the interlock that is driven by the divide-shut brake pointer rotating shaft of permanent magnetic actuator vacuum circuit breaker, and the connection contact of ABC three-phase is connected with ABC three phase isolated terminal on the permanent magnetic actuator vacuum circuit breaker respectively.
For ease of rotary main shaft, above-mentioned isolating switch also comprises the operating grip of fixedlying connected with main shaft.
In a kind of preferred implementation, above-mentioned interlock comprises lug latch board, two gathering sills, first junction panel, second junction panel, the 3rd junction panel and a pin, the fixedly connected main shaft of described lug latch board, described two gathering sills are symmetrically set in the both sides of lug latch board zone of action, the both sides, end of described first junction panel, one end are provided with to be located in the corresponding gathering sill and can be along the lock pin of its slip, be in the zone of action of lug latch board between one end of two gathering sills, be between the other end outside the zone of action of lug latch board, one end of the other end of described first junction panel and second junction panel flexibly connects, the other end of this second junction panel flexibly connects an end of the 3rd junction panel, the other end of the 3rd junction panel is fixedly connected in the rotating shaft of divide-shut brake pointer of permanent magnetic actuator vacuum circuit breaker, and described second junction panel and a pin flexibly connect.
When the permanent magnetic actuator vacuum circuit breaker separating brake, divide-shut brake pointer and the 3rd junction panel rotate counterclockwise, driving second junction panel clockwise rotates around a pin, and then the lock pin that drives both sides, the first junction panel end slides in corresponding gathering sill, makes the end of first junction panel break away from the lug latch board zone of action and take off lock.When permanent magnetic actuator vacuum circuit breaker closes a floodgate, divide-shut brake pointer and the 3rd junction panel clockwise rotate, driving second junction panel rotates counterclockwise around a pin, and then the lock pin that drives both sides, the first junction panel end slides in corresponding gathering sill, makes the end of first junction panel enter the lug latch board zone of action and locking.
When the permanent magnetic actuator vacuum circuit breaker separating brake, the interlock of isolating switch takes off lock, at this moment, the operating grip ability rotary main shaft of isolating switch by the drive of main shaft connecting lever, insulated tension pole, makes deciliter contact of movable touch knife contact or disconnection post insulator, deciliter contact of movable touch knife contact post insulator, for isolating switch closes a floodgate, movable touch knife breaks away from deciliter contact that disconnects post insulator, is the isolating switch separating brake.When permanent magnetic actuator vacuum circuit breaker closed a floodgate, the interlock locking of isolating switch can not rotary main shaft, so can not disconnecting switch operation close a floodgate or separating brake.
In the use, if circuit will overhaul, behind the vacuum circuit-breaker separating brake, necessary disconnecting switch operation operating grip, make the isolating switch separating brake, just movable touch knife breaks away from deciliter contact that disconnects post insulator, the desired visible fracture of power equipment operational procedure that Here it is.After line maintenance is intact, send electricity preceding necessary disconnecting switch operation operating grip, isolating switch is closed a floodgate, deciliter contact of the post insulator of movable touch knife contact just, at this moment, vacuum circuit-breaker just can close a floodgate, and this is that the power equipment operational procedure is desired.After vacuum circuit-breaker closes a floodgate, the interlock locking, isolating switch can not be operated.
The beneficial effects of the utility model are: the utility model is by the isolating switch of setting with the permanent magnetic actuator vacuum circuit breaker one, when the permanent magnetic actuator vacuum circuit breaker separating brake takes off lock, could disconnecting switch operation close a floodgate or separating brake this moment, only allow isolating switch when the voltage no current is arranged, to close a floodgate or the operation of separating brake, meet power equipment operation rules, avoid charged misoperation.When the permanent magnetic actuator vacuum circuit breaker closing locking, can not disconnecting switch operation close a floodgate or separating brake, avoid isolating switch when electric current is arranged, to close a floodgate or the misoperation of separating brake, meet power equipment operation rules.The utility model is simple in structure, and is easy to operate, easy for installation, and protection is reliable, and when the permanent magnetic actuator vacuum circuit breaker separating brake took off lock, this moment, the disconnecting switch operation separating brake had obviously visible fracture, and the attendant is safer to electric line.
Description of drawings:
Fig. 1 is the utility model embodiment separating brake front view structural representation;
Fig. 2 is the utility model embodiment separating brake left view structural representation;
Fig. 3 is the utility model embodiment separating brake right view structural representation;
Fig. 4 is the utility model embodiment front view structural representation that closes a floodgate;
Fig. 5 is that view is put in the K office of Fig. 3;
Fig. 6 is that the A of Fig. 5 is to view;
Fig. 7 is breaker open operation, isolating switch separating brake interlocking schematic diagram;
Fig. 8 is that isolating switch closes a floodgate, breaker closing interlocking schematic diagram.
Among the figure: 1, ZW56 type permanent magnetic actuator vacuum circuit breaker, 2, pointer, 2a, the 3rd junction panel, 3, round pin, 4, second junction panel, 5, first junction panel, 6, frame, 7, the isolator operation handle, 8, post insulator, 9, deciliter contact, 10, insulated tension pole, 11, movable touch knife, 12, connect contact, 13, be flexible coupling, 14, the insulating porcelain piece terminal of vacuum circuit-breaker, 15, installing rack, 16, the elasticity round pin, 17, the isolating switch main shaft, 18, lug latch board, 18a, the groove of lug latch board, 19, prop up pin, 20, the main shaft connecting lever, 21, gathering sill, 22, the divide-shut brake limiting plate, 23, separating brake position stop screw, 24, the closing position stop screw, 25, vacuum circuit-breaker divide-shut brake direction board.
Embodiment:
Below in conjunction with accompanying drawing the utility model embodiment is described in detail.
As Fig. 1-shown in Figure 8, the utility model embodiment, comprise ZW56 type permanent magnetic actuator vacuum circuit breaker 1 and isolating switch, this isolating switch comprises three pairs of post insulators 8, three of corresponding A BC three-phase movable touch knife 11, three insulated tension poles 10, three main shaft connecting levers 20 and main shaft 17, operating grip 7 and interlocks
As Fig. 7, shown in Figure 8, described isolating switch also comprises the divide-shut brake limiting plate 22 of fixedlying connected with main shaft 17, and the two ends of this divide-shut brake limiting plate 22 are limited in the scalable stop screw 23 of separating brake position and the scalable stop screw 24 of closing position respectively.When avoiding the isolating switch separating brake, movable touch knife 11 turns clockwise excessively, and when isolating switch closed a floodgate, movable touch knife 11 was rotated counterclockwise excessively.As shown in Figure 7, when vacuum circuit breaker 1 separating brake, the end of first junction panel 5 breaks away from the zone of action of lug latch board 18, and main shaft 17 can counterclockwise and clockwise rotate, and can disconnecting switch operation close a floodgate or separating brake.As shown in Figure 8, when vacuum circuit breaker 1 closed a floodgate, the end of first junction panel 5 entered the zone of action of lug latch board 4, and main shaft 17 can not clockwise and rotate counterclockwise, just, and can not disconnecting switch operation separating brake or combined floodgate.
Present embodiment ZW56 type distribution automation switch meets GB1984-2003 " high-voltage AC breaker ", GB/T11022 " the common technique condition of high voltage switchgear control and equipment standard ", GB/T7261 " relay and device fundamental test mode " and GB/T17626 national standard and pertinent regulations such as " EMC test and measuring techniques ", satisfies the requirement that power department develops to " miniaturization, no oiling, low noise, automation, intellectuality and high reliability " direction electrical network distribution product.
Claims (10)
1. the permanent magnet mechanism band distribution automation switch of isolating, comprise permanent magnetic actuator vacuum circuit breaker (1), it is characterized in that, also comprise isolating switch, described isolating switch comprises three pairs of post insulators (8) of corresponding A BC three-phase, three movable touch knifes (11), three insulated tension poles (10), three main shaft connecting levers (20) and a main shaft (17) and interlock, each of described three pairs of post insulators (8) is right, an one post insulator (8) is provided with an end of a movable touch knife (11) flexibly connects and is connected contact (12), another post insulator (8) is provided with deciliter contact (9) that contacts or disconnect with the other end of this movable touch knife (11), the upper end of this movable touch knife (11) and an insulated tension pole (10) flexibly connects, one end of a lower end of this insulated tension pole (10) and a main shaft connecting lever (20) flexibly connects, the other end of this main shaft connecting lever (20) is fixedlyed connected with main shaft (17), this main shaft (17) is provided with the interlock that is driven by the divide-shut brake pointer rotating shaft of permanent magnetic actuator vacuum circuit breaker, and the connection contact (12) of ABC three-phase is connected with ABC three phase isolated terminal (14) on the permanent magnetic actuator vacuum circuit breaker (1) respectively.
2. automation switch according to claim 1 is characterized in that: described isolating switch also comprises the operating grip (7) of fixedlying connected with main shaft (17).
3. automation switch according to claim 2 is characterized in that: described operating grip (7) is a lever-like, and its central authorities fixedly connected with main shaft (17).
4. automation switch according to claim 3 is characterized in that: the central authorities of described operating grip (7) fixedly connected with main shaft (17) by elasticity round pin (16).
5. according to claim 1 or 2 or 3 or 4 described automation switches, it is characterized in that: described interlock comprises lug latch board (18), two gathering sills (21), first junction panel (5), second junction panel (4), the 3rd junction panel (2a) and a pin (19), the fixedly connected main shaft of described lug latch board (18) (17), described two gathering sills (21) are symmetrically set in the both sides of lug latch board (18) zone of action, the both sides, end of described first junction panel (5) one ends are provided with to be located in the corresponding gathering sill (21) and can be along the lock pin of its slip, be in the zone of action of lug latch board (18) between one end of two gathering sills (21), be between the other end outside the zone of action of lug latch board (18), one end of the other end of described first junction panel (5) and second junction panel (4) flexibly connects, the other end of this second junction panel (4) flexibly connects an end of the 3rd junction panel (2a), the other end of the 3rd junction panel (2a) is fixedly connected in the rotating shaft of divide-shut brake pointer (2) of permanent magnetic actuator vacuum circuit breaker, and described second junction panel (4) and a pin (19) flexibly connect.
6. automation switch according to claim 5 is characterized in that: described lug latch board (18) is provided with groove (18a), and cooperation is inlayed in this groove (18a) and first junction panel (5) end that slides to gathering sill (21) one ends.
7. automation switch according to claim 5, it is characterized in that: described isolating switch also comprises the divide-shut brake limiting plate (22) of fixedlying connected with main shaft (17), and the two ends of this divide-shut brake limiting plate (22) cooperate with closing position locating part (24) with separating brake position locating part (23) respectively.
8. automation switch according to claim 7 is characterized in that: described separating brake position locating part (23) is adjustable stop screw with closing position locating part (24).
9. according to claim 1 or 2 or 3 or 4 described automation switches, it is characterized in that: described isolating switch also comprises the divide-shut brake limiting plate (22) of fixedlying connected with main shaft (17), and the two ends of this divide-shut brake limiting plate (22) cooperate with closing position locating part (24) with separating brake position locating part (23) respectively.
10. automation switch according to claim 9 is characterized in that: described separating brake position locating part (23) is adjustable stop screw with closing position locating part (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202923530U CN201918299U (en) | 2010-08-13 | 2010-08-13 | Permanent magnetic mechanism with isolated distribution-network automation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202923530U CN201918299U (en) | 2010-08-13 | 2010-08-13 | Permanent magnetic mechanism with isolated distribution-network automation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201918299U true CN201918299U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202923530U Expired - Fee Related CN201918299U (en) | 2010-08-13 | 2010-08-13 | Permanent magnetic mechanism with isolated distribution-network automation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201918299U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903884A (en) * | 2014-03-10 | 2014-07-02 | 广东电网公司电力科学研究院 | Totally-closed anti-arc-pulling protecting switch |
| CN106098467A (en) * | 2012-12-24 | 2016-11-09 | 宏秀电气有限公司 | A kind of high-voltage switch gear |
| CN107546062A (en) * | 2017-09-21 | 2018-01-05 | 江苏南瑞帕威尔电气有限公司 | A kind of ZW20 disconnecting switch |
| CN108597943A (en) * | 2018-06-15 | 2018-09-28 | 宏秀电气有限公司 | On-pole switch with built-in disconnecting switch |
| CN108630485A (en) * | 2017-03-22 | 2018-10-09 | 河南华盛隆源电气有限公司 | A kind of outdoor load switch with visible isolation fracture |
-
2010
- 2010-08-13 CN CN2010202923530U patent/CN201918299U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098467A (en) * | 2012-12-24 | 2016-11-09 | 宏秀电气有限公司 | A kind of high-voltage switch gear |
| CN103903884A (en) * | 2014-03-10 | 2014-07-02 | 广东电网公司电力科学研究院 | Totally-closed anti-arc-pulling protecting switch |
| CN108630485A (en) * | 2017-03-22 | 2018-10-09 | 河南华盛隆源电气有限公司 | A kind of outdoor load switch with visible isolation fracture |
| CN107546062A (en) * | 2017-09-21 | 2018-01-05 | 江苏南瑞帕威尔电气有限公司 | A kind of ZW20 disconnecting switch |
| CN107546062B (en) * | 2017-09-21 | 2019-08-23 | 江苏南瑞帕威尔电气有限公司 | A kind of ZW20 disconnecting switch |
| CN108597943A (en) * | 2018-06-15 | 2018-09-28 | 宏秀电气有限公司 | On-pole switch with built-in disconnecting switch |
| CN108597943B (en) * | 2018-06-15 | 2024-02-23 | 宏秀电气有限公司 | Pole-mounted switch with built-in isolating switch |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20180813 |