CN201966089U - Spring-mechanism-operated networking automation switch with isolation switch - Google Patents
Spring-mechanism-operated networking automation switch with isolation switch Download PDFInfo
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- CN201966089U CN201966089U CN2010202923545U CN201020292354U CN201966089U CN 201966089 U CN201966089 U CN 201966089U CN 2010202923545 U CN2010202923545 U CN 2010202923545U CN 201020292354 U CN201020292354 U CN 201020292354U CN 201966089 U CN201966089 U CN 201966089U
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- main shaft
- switch
- phase
- spring mechanism
- automation
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Abstract
The utility model relates to a spring-mechanism-operated networking automation switch with an isolation switch, which comprises a spring-mechanism-operated vacuum circuit breaker and an isolation switch. The isolation switch comprises three pairs of pillar insulators which correspond to an A phase, a B phase and a C phase, three movable contact knives, three insulated pull rods, three main shaft crank arms, a main shaft and an interlocking device. One pillar insulator of each pair of the three pairs of pillar insulators is provided with a connecting contact which is movably connected with one end of one movable contact knife. The other pillar insulator is provided with an opening/closing contact which is in contact or is disconnected with the other end of the movable contact knife. The movable contact knife is movably connected with the upper end of one insulated pull rod. The lower end of the insulated pull rod is movably connected with one end of one main shaft crank arm. The other end of the main shaft crank arm is fixedly connected with the main shaft. The main shaft is provided with the interlocking device which is driven by the auxiliary switch conversion shaft on a spring mechanism. The connecting contacts of the A phase, the B phase and the C phase are respectively connected with the insulated terminals of the A phase, B phase and the C phase. The spring-mechanism-operated networking automation switch with the isolation switch is intuitive, has an obvious fracture and can effectively improve safety.
Description
Technical field:
The utility model relates to the distribution automation switch that a kind of band that is applicable to the spring mechanism operation of the three-phase electrical power system deciliter load current, overload current and the short circuit current protection that exchange 12kV/50Hz is isolated; 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, the outdoor high-voltage alternating current vacuum circuit-breaker of normally used spring mechanism operation, 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 the outdoor high-voltage alternating current vacuum circuit-breaker separating brake of spring mechanism operation 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 band of the spring mechanism operation of fail safe is isolated effectively.
For achieving the above object, the distribution automation switch that the band of a kind of spring mechanism operation of the utility model is isolated, the vacuum circuit-breaker and the isolating switch that comprise the spring mechanism operation, 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 spring mechanism auxiliary switch transaxle, and the connection contact of ABC three-phase is connected with ABC three phase isolated terminal on the vacuum circuit-breaker of spring mechanism operation 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 a lug latch board, two gathering sills, one junction panel and a transaxle connecting lever, 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 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 junction panel and transaxle connecting lever flexibly connects, and the other end of this transaxle connecting lever is fixedly connected on the transaxle of spring mechanism auxiliary switch.
When the vacuum circuit-breaker separating brake of spring mechanism operation, the transaxle connecting lever that is fastened on the intrinsic auxiliary switch transaxle of spring mechanism clockwise rotates, the lock pin that drives junction panel slides in two gathering sills, makes the end of junction panel break away from the lug latch board zone of action and take off lock.When the vacuum circuit-breaker of spring mechanism operation closes a floodgate, the transaxle connecting lever that is fastened on the intrinsic auxiliary switch transaxle of spring mechanism rotates counterclockwise, the lock pin that drives junction panel slides in two gathering sills, makes the end of junction panel enter the lug latch board zone of action and locking.
When the vacuum circuit-breaker separating brake of spring mechanism operation, 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 the vacuum circuit-breaker of spring mechanism operation closed a floodgate, the interlock locking of isolating switch can not rotary main shaft, so can not disconnecting switch operation combined 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 being provided with the isolating switch of the vacuum circuit-breaker one of operating with spring mechanism, when the vacuum circuit-breaker separating brake of spring mechanism operation 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 vacuum circuit-breaker closing locking of spring mechanism operation, 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 vacuum circuit-breaker separating brake of spring mechanism operation 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, the vacuum circuit-breaker of ZW56 type spring mechanism operation, 2, CT23 type spring mechanism, 3, junction panel, 4, lug latch board, 4a, the groove of lug latch board, 5, the isolating switch main shaft, 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 transaxle connecting lever, 17, the elasticity round pin, 18, the main shaft connecting lever, 19, gathering sill, 20, the divide-shut brake limiting plate, 21, separating brake position stop screw, 22, the closing position stop screw, 23, the transaxle of spring mechanism auxiliary switch.
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, the vacuum circuit-breaker 1 and the isolating switch that comprise the operation of ZW56 type spring mechanism, 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 18 and main shaft 5, operating grip 7 and interlocks
As Fig. 7, shown in Figure 8, described isolating switch also comprises the divide-shut brake limiting plate 20 of fixedlying connected with main shaft 5, and the two ends of this divide-shut brake limiting plate 20 are limited in the scalable stop screw 21 of separating brake position and the scalable stop screw 22 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 lock pin end of junction panel 3 breaks away from the zone of action of lug latch board 4, and main shaft 5 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 lock pin end of junction panel 3 entered the zone of action of lug latch board 4, and main shaft 5 can not counterclockwise and clockwise rotate, and just, can not disconnecting switch operation close a floodgate or separating brake.
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 band of the spring mechanism operation distribution automation switch of isolating, the vacuum circuit-breaker (1) that comprises the spring mechanism operation, 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 (18) and a main shaft (5) 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 (18) flexibly connects, the other end of this main shaft connecting lever (18) is fixedlyed connected with main shaft (5), this main shaft (5) is provided with the interlock that is driven by spring mechanism auxiliary switch transaxle (23), and the connection contact (12) of ABC three-phase is connected with ABC three phase isolated terminal (14) on the vacuum circuit-breaker (1) of spring mechanism operation 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 (5).
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 (5).
4. automation switch according to claim 3 is characterized in that: the central authorities of described operating grip (7) fixedly connected with main shaft (5) by elasticity round pin (17).
5. according to claim 1 or 2 or 3 or 4 described automation switches, it is characterized in that: described interlock comprises a lug latch board (4), two gathering sills (19), one junction panel (3) and a transaxle connecting lever (16), the fixedly connected main shaft of described lug latch board (4) (5), described two gathering sills (19) are symmetrically set in the both sides of lug latch board (4) zone of action, the both sides, end of described junction panel (3) one ends are provided with to be located in the corresponding gathering sill (19) and can be along the lock pin of its slip, be in the zone of action of lug latch board (4) between one end of two gathering sills (19), be between the other end outside the zone of action of lug latch board (4), one end of the other end of described junction panel (3) and transaxle connecting lever (16) flexibly connects, and the other end of this transaxle connecting lever (16) is fixedly connected on the transaxle (23) of spring mechanism auxiliary switch.
6. automation switch according to claim 5 is characterized in that: described lug latch board (4) is provided with groove (4a), and cooperation is inlayed in this groove (4a) and junction panel (3) end that slides to gathering sill (19) 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 (20) of fixedlying connected with main shaft (5), and the two ends of this divide-shut brake limiting plate (20) cooperate with closing position locating part (22) with separating brake position locating part (21) respectively.
8. automation switch according to claim 7 is characterized in that: described separating brake position locating part (21) is adjustable stop screw with closing position locating part (22).
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 (20) of fixedlying connected with main shaft (5), and the two ends of this divide-shut brake limiting plate (20) cooperate with closing position locating part (22) with separating brake position locating part (21) respectively.
10. automation switch according to claim 9 is characterized in that: described separating brake position locating part (21) is adjustable stop screw with closing position locating part (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202923545U CN201966089U (en) | 2010-08-13 | 2010-08-13 | Spring-mechanism-operated networking automation switch with isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202923545U CN201966089U (en) | 2010-08-13 | 2010-08-13 | Spring-mechanism-operated networking automation switch with isolation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201966089U true CN201966089U (en) | 2011-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202923545U Expired - Fee Related CN201966089U (en) | 2010-08-13 | 2010-08-13 | Spring-mechanism-operated networking automation switch with isolation switch |
Country Status (1)
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| CN (1) | CN201966089U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104183397A (en) * | 2014-08-04 | 2014-12-03 | 北京华电瑞通电力工程技术有限公司 | Maloperation prevention switch mechanism |
| CN105788914A (en) * | 2016-04-01 | 2016-07-20 | 宏秀电气有限公司 | Switching mechanism for high-intelligence dual-power-supply automatic switching device |
| CN106098467A (en) * | 2012-12-24 | 2016-11-09 | 宏秀电气有限公司 | A kind of high-voltage switch gear |
-
2010
- 2010-08-13 CN CN2010202923545U patent/CN201966089U/en not_active Expired - Fee Related
Cited By (4)
| 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 |
| CN104183397A (en) * | 2014-08-04 | 2014-12-03 | 北京华电瑞通电力工程技术有限公司 | Maloperation prevention switch mechanism |
| CN104183397B (en) * | 2014-08-04 | 2016-01-20 | 北京华电瑞通电力工程技术有限公司 | A kind of anti-misoperation switching mechanism |
| CN105788914A (en) * | 2016-04-01 | 2016-07-20 | 宏秀电气有限公司 | Switching mechanism for high-intelligence dual-power-supply automatic switching device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20180813 |