CN202662521U - 40.5 KV Single-phase outdoor high-voltage vacuum circuit breaker - Google Patents
40.5 KV Single-phase outdoor high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN202662521U CN202662521U CN 201220157786 CN201220157786U CN202662521U CN 202662521 U CN202662521 U CN 202662521U CN 201220157786 CN201220157786 CN 201220157786 CN 201220157786 U CN201220157786 U CN 201220157786U CN 202662521 U CN202662521 U CN 202662521U
- Authority
- CN
- China
- Prior art keywords
- phase
- insulator
- circuit breaker
- outdoor high
- permanent
- 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 - Lifetime
Links
Images
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A 40.5 KV single-phase outdoor high-voltage vacuum circuit breaker is provided. The overall structure of the vacuum circuit breaker is of a discrete insulator column type; the insulator column is divided into upper and lower parts and a vacuum arc extinguish chamber, a conductive contact, a contact spring and an insulating pull rod are mounted in the insulator column; the insulator column is mounted at the center of the upper part of a frame; and an operation box is mounted at the center of the lower part of the frame. A permanent-magnet operating mechanism is mounted in the operation box; and the output crank arm of the permanent-magnet operating mechanism is coupled with the transmission crank arm of the insulator column through a movable link adjustable in length. The 40.5 KV single-phase outdoor high-voltage vacuum circuit breaker is capable of effectively reducing the maintenance workload of the operating mechanism of the circuit breaker, improving the working reliability of the operating mechanism and prolonging the operation service life of the same; besides, the 40.5 KV single-phase outdoor high-voltage vacuum circuit breaker is also capable of improving the consistency and repeatability of the opening time and the closing time of the circuit breaker so that the circuit board can be applied to a one-phase, two-phase or three-phase line and or to a power transmission and distribution system having requirement for accurate quick opening/closing time control, especially for a three-phase independent working manner.
Description
Technical field
The utility model relates to a kind of other outdoor high-voltage vacuum breaker of 40.5KV level.
Background technology
At present, in the prior art, other outdoor high-voltage vacuum breaker of 40.5KV level all is to be furnished with circuit breaker spring operating mechanism, three-phase integrated.Adopt the outdoor high-voltage vacuum breaker of spring operating mechanism, because the design feature of its operating mechanism has determined that its moving component not only is easy to wearing and tearing, make that its maintenance workload is large, reliability is relatively poor and the life-span is shorter; And be furnished with the high-pressure vacuum breaker of this spring operating mechanism, and the consistency of its on/off switch time is relatively poor, and particularly the on/off switch time is repeated relatively poor; And the structure of this circuit breaker all is three-phase integrated, and working method also is three-phase ganged.Therefore, this outdoor high-voltage vacuum breaker can only whole be applied in the electrical power trans mission/distribution system of three-phase ganged mode of operation, be applied to uniline and can not take apart, or have that accurately fast on/off switch time control requires, particularly have in the electrical power trans mission/distribution system that three-phase separate starts building to require as mode.
Summary of the invention
The purpose of this utility model just provides a kind of 40.5KV outdoor high-voltage vacuum breaker permanent-magnet manipulating mechanism, phase structure that adopts, and to reduce the operating mechanism maintenance workload of circuit breaker, improves functional reliability and the service life of its operating mechanism; Improve consistency and the repeatability of circuit-breaker switching on-off time, make it to be applied in a phase, two-phase or the three-phase line and can be applied to have accurately that fast on/off switch time control requires, particularly have in the electrical power trans mission/distribution system that three-phase separate starts building to require as mode.
For achieving the above object, the utility model is realized by the following technical solutions:
The outdoor high-voltage vacuum breaker of a kind of 40.5KV, its general structure is single-phase discrete insulator column support type, the insulator pillar is divided into up and down two parts, in the upper insulator vacuum interrupter is housed, conductive contact, in the lower insulator touch spring and insulated tension pole are housed, the top of upper insulator is by end plate, upper wiring board and connector seal, the connection place of insulator is reached by lower terminal block up and down, lower link seals after connecting, the bottom of lower insulator is connecting a transmission case, transmission case is by casing, the compositions such as end cap and bearing and horizontal drive shaft and divide-shut brake connecting lever thereof, the insulator pillar is contained on the frame, the transmission case that insulator props up the column bottom has reached the inside of frame, two footing supports are housed on the frame, transmission crank arm and buffering connecting lever are housed respectively on the power transmission shaft of transmission case, the output toggle arm of its transmission crank arm and operating mechanism links, and operating mechanism is positioned at the control box of frame lower, it is characterized in that:
(a) the insulator pillar is positioned at the center of upper rack, and control box is positioned at the center of frame lower, and footing support is positioned at the both sides of frame lower;
(b) operating mechanism be one by support and be contained in driving the transmission mechanism that connecting lever, output toggle arm and extension spring connecting lever etc. consist of and be contained in the permanent magnet mechanism of mid-stent and be contained in the permanent-magnet manipulating mechanism that the tripping spring in the support outside forms by bearing, splined shaft, divide-shut brake of support top;
(c) to drive connecting lever be to be linked together with the screw rod of positive left-hand thread screw thread and coupling head and a stationary links by two ends for the permanent magnet mechanism on the permanent-magnet manipulating mechanism and the divide-shut brake on the transmission mechanism.
Compared with prior art, the utility model has the advantages that:
1) adopt permanent-magnet manipulating mechanism to replace after the spring operating mechanism, because what permanent-magnet manipulating mechanism adopted is the permanent magnetism locker, the machinery-free wearing and tearing, mechanical lock buckle device in the spring operating mechanism, permanent-magnet manipulating mechanism works together more stable, and performance parameter is difficult for changing, and maintenance workload reduces greatly, and functional reliability increases greatly, and mechanical endurance is therefore also longer.
2) adopt permanent-magnet manipulating mechanism to replace after the spring operating mechanism, because the performance of permanent-magnet manipulating mechanism is highly stable, therefore, the consistency of the branch wire time of circuit breaker is very good, and repeatability is also very good.Make circuit breaker can be applied to have accurately in the system that time control requires fast.
3) because this circuit breaker has adopted the phase structure mode, and therefore, this circuit breaker can be applied in the circuit of a phase, two-phase or three-phase neatly, also can three combine and be applied to have in the electrical power trans mission/distribution system that three-phase separate starts building to require as mode.
Description of drawings
Fig. 1 is the structural representation of the single-phase outdoor high-voltage vacuum breaker of 40.5KV.
Fig. 2 is the structural representation of insulator pillar and permanent-magnet manipulating mechanism.
Fig. 3 is the structural representation of transmission case.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, the single-phase outdoor high-voltage vacuum breaker of 40.5KV of the present utility model, its general structure is single-phase discrete insulator column support type.The insulator pillar is contained on the frame 10, the insulator pillar is divided into up and down two parts, the upper end of upper insulator 4 seals with end cap 1 and upper wiring board 2 and connector 3 thereof, the top of the bottom of upper insulator 4 and lower insulator 8 links up with lower terminal block 6 and connector 5 thereof and connector 7, and vacuum interrupter 13, conductive contact 14, touch spring 15 and insulated tension pole 16 are housed in the insulator up and down successively.The bottom of lower insulator 8 links up with connector 9 and transmission case 17.Transmission case 17 is inlaid on the frame 10.The lower end of insulated tension pole 16 has reached the inside of transmission case 17.A horizontal drive shaft 29 is arranged in the cavity of transmission case 17, a divide-shut brake connecting lever 27 is arranged on the power transmission shaft 29, there is a hole end of divide-shut brake connecting lever 27, also there is a hole bottom that reaches insulated tension pole 16 herein, and the hole on this hole and the divide-shut brake connecting lever 27 has been associated in together with a bearing pin 30.Wear in public the bearing 31 of the two ends of power transmission shaft 29 from two end caps 28 of transmission case 17.Transmission crank arm 22 and buffering connecting lever 18 are equipped with respectively in the two ends of power transmission shaft 29.Buffer is equipped with in the place of corresponding buffering connecting lever 18 on the frame 10.
The structure that embodies the utility model feature is: the insulator pillar of this circuit breaker is positioned at the center on frame 10 tops, is fixed by bolts on the frame 10.Control box 11 then is positioned at the center of frame 10 bottoms, also is to be fixed by bolts on the frame 10.This circuit breaker has two footing supports 12, and footing support 12 is positioned at the both sides of frame 10 bottoms.A permanent-magnet manipulating mechanism is arranged in control box 11.This permanent-magnet manipulating mechanism has the mechanism rack of " H " shape, and in order to increase structural strength, whole mechanism rack is welded on another piece iron plate.A hole is respectively arranged at the top at two sidewalls of mechanism rack, and bearing is housed on the hole.Be installed with a splined shaft on the bearing, a divide-shut brake be housed on the splined shaft drive connecting lever 19, output toggle arm 24 and extension spring connecting lever 20.These bearings, splined shaft, divide-shut brake drive the transmission mechanism that connecting lever 19, output toggle arm 24 and extension spring connecting lever 20 etc. have consisted of permanent-magnet manipulating mechanism.Wherein the transmission crank arm 22 of output toggle arm 24 and insulator pillar links up by the movable link rod 23 that can regulate length; A tripping spring 21 in extension spring connecting lever 20 first line of a couplet, and the other end of tripping spring 21 has hung on the sidewall of permanent-magnet manipulating mechanism support.On the horizontal support plate in the middle part of the mechanism rack of " H " shape, lifting a permanent magnet mechanism 26, the output ejector pin of permanent magnet mechanism 26 has extended upwardly out from the hole at horizontal support plate middle part, and pass through two ends with the screw rod 25 of positive left-hand thread screw thread and the connecting rod of coupling head and a regular length, drive connecting lever 19 with divide-shut brake and link up.
What permanent magnet mechanism adopted is matured product of the prior art, and it can be the permanent magnet mechanism of bi-stable type, also can be the permanent magnet mechanism of monostable type; And the coil of permanent magnet mechanism inside namely can be the twin coil mode, also can be the unicoil mode.The permanent magnet mechanism of this version has detailed introduction and designing and calculating on a lot of professional magazines.
The single-phase outdoor high-voltage vacuum breaker of 40.5KV of the present utility model, its electrical control gear are the power electronics control device take the IGBT device as core.The power of IGBT device is as the criterion can satisfy the needed electric current and voltage of permanent-magnet manipulating mechanism, be equipped with again commercially available respective drive circuit board and+the 15V stabilized voltage power supply.Be accumulation power supply and the collector electrode working power of IGBT device adopts, formed by several DC electrolytic condensers and corresponding rectification circuit plate.If what permanent magnet mechanism adopted is the work of unicoil mode, the IGBT device in its electric control system will adopt four and will be connected into the bridge circuit of " H " shape, and the permanent magnet mechanism coil is connected on the centre of bridge circuit; If what permanent magnet mechanism adopted is the work of twin coil mode, the IGBT device in its electric control system is just as long as adopt two, and a coil of every IGBT and permanent magnet mechanism to be connected into common series circuit just passable.
The single-phase outdoor high-voltage vacuum breaker of 40.5KV of the present utility model, its course of work is such: when the electrical control gear of circuit breaker is received reclosing command, just drive the IGBT device of closing circuit by corresponding drive circuit board, the permanent magnet mechanism closing coil of circuit breaker is got electric, permanent magnet mechanism begins action.At this moment, the output ejector pin of permanent magnet mechanism 26 is by screw rod 25 and coupling head and stationary links drives divide-shut brake driving connecting lever 19, extension spring connecting lever 20 moves upward, and output toggle arm 24 moves downward.Output toggle arm 24 drives transmission crank arm 22 by movable link rod 23 and also moves downward, and divide-shut brake connecting lever 27 and the insulated tension pole 16 in the insulator pillar, touch spring 15 that the horizontal drive shaft 29 of transmission crank arm 22 by transmission case 17 drives on it move upward, until vacuum interrupter 13 is closed and rely on the permanent magnetism confining force of permanent magnet mechanism, stably remain on the closing position, so far, making process finishes.And this moment, tripping spring 21 since be subject to extension spring connecting lever 20 to upper pulling force and energy storage.When the electrical control gear of circuit breaker is received the separating brake instruction, just drive the IGBT device of sub-gate circuit by corresponding drive circuit board, the permanent magnet mechanism switching winding of circuit breaker is got electric, permanent magnet mechanism begins action.At this moment, the output ejector pin of permanent magnet mechanism 26 is by screw rod 25 and coupling head and stationary links drives divide-shut brake driving connecting lever 19, extension spring connecting lever 20 moves downward, and output toggle arm 24 moves upward.Output toggle arm 24 drives transmission crank arm 22 by movable link rod 23 and also moves upward, and divide-shut brake connecting lever 27 and the insulated tension pole 16 in the insulator pillar, touch spring 15 that the horizontal drive shaft 29 of transmission crank arm 22 by transmission case 17 drives on it move downward, until vacuum interrupter 13 separates and relies on the pulling force of tripping spring 21, stably remain on the open position, so far, the separating brake process finishes.
Compared with prior art, the utility model has the advantages that: after circuit breaker has adopted permanent-magnet manipulating mechanism to replace spring operating mechanism, because what permanent-magnet manipulating mechanism adopted is the permanent magnetism locker, machinery-free wearing and tearing, the mechanical lock buckle device in the spring operating mechanism, permanent-magnet manipulating mechanism works together more stable, performance parameter is difficult for changing, maintenance workload reduces greatly, and functional reliability increases greatly, and mechanical endurance is therefore also longer; Adopt permanent-magnet manipulating mechanism to replace after the spring operating mechanism, because the performance of permanent-magnet manipulating mechanism is highly stable, therefore, the branch wire time consistency of circuit breaker is very good, and repeatability is also very good; Again because this circuit breaker has adopted the phase structure mode, therefore, this circuit breaker can be applied in a phase, two-phase or the three-phase line flexibly, also can three combine, make it to be applied to have in the occasion that accurately time control requires fast, particularly be applied in and have in the electrical power trans mission/distribution system that three-phase separate starts building to require as mode.
Claims (5)
1. the single-phase outdoor high-voltage vacuum breaker of a 40.5KV, its general structure is single-phase discrete insulator column support type, the insulator pillar is divided into up and down two parts, in the upper insulator vacuum interrupter is housed, conductive contact, in the lower insulator touch spring and insulated tension pole are housed, the top of upper insulator is by end plate, upper wiring board and connector seal, the connection place of insulator is reached by lower terminal block up and down, lower link seals after connecting, the bottom of lower insulator is connecting a transmission case, transmission case is by casing, end cap and bearing and horizontal drive shaft and divide-shut brake connecting lever thereof form, the insulator pillar is contained on the frame, the transmission case that insulator props up the column bottom has reached the inside of frame, two footing supports are housed on the frame, transmission crank arm and buffering connecting lever are housed respectively on the power transmission shaft of transmission case, the output toggle arm of its transmission crank arm and operating mechanism links, and operating mechanism is positioned at the control box of frame lower, it is characterized in that:
(a) the insulator pillar is positioned at the center of upper rack, and control box is positioned at the center of frame lower, and footing support is positioned at the both sides of frame lower;
(b) operating mechanism be one by support and be contained in driving the transmission mechanism that connecting lever, output toggle arm and extension spring connecting lever consist of and be contained in the permanent magnet mechanism of mid-stent and be contained in the permanent-magnet manipulating mechanism that the tripping spring in the support outside forms by bearing, splined shaft, divide-shut brake of support top;
(c) to drive connecting lever be to be linked together with the screw rod of positive left-hand thread screw thread and coupling head and a stationary links by two ends for the permanent magnet mechanism on the permanent-magnet manipulating mechanism and the divide-shut brake on the transmission mechanism.
2. the single-phase outdoor high-voltage vacuum breaker of 40.5KV according to claim 1, it is characterized in that: the permanent magnet mechanism that adopts is bistable-state permanent magnet mechanism, or Monostable permanent magnetic mechanism.
3. the single-phase outdoor high-voltage vacuum breaker of 40.5KV according to claim 1 and 2, it is characterized in that: the permanent magnet mechanism that adopts is unicoil mode or twin coil mode.
4. the single-phase outdoor high-voltage vacuum breaker of 40.5KV according to claim 1 and 2 is characterized in that: the tripping spring that is contained in the support outside can be one, also can be more than two or two.
5. the single-phase outdoor high-voltage vacuum breaker of 40.5KV according to claim 3 is characterized in that: the tripping spring that is contained in the support outside can be one, also can be more than two or two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220157786 CN202662521U (en) | 2012-04-14 | 2012-04-14 | 40.5 KV Single-phase outdoor high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220157786 CN202662521U (en) | 2012-04-14 | 2012-04-14 | 40.5 KV Single-phase outdoor high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202662521U true CN202662521U (en) | 2013-01-09 |
Family
ID=47457407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220157786 Expired - Lifetime CN202662521U (en) | 2012-04-14 | 2012-04-14 | 40.5 KV Single-phase outdoor high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202662521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664119A (en) * | 2012-04-14 | 2012-09-12 | 鞍山北科电气有限公司 | 40.5KV single-phase outdoor high-voltage vacuum circuit breaker |
-
2012
- 2012-04-14 CN CN 201220157786 patent/CN202662521U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102664119A (en) * | 2012-04-14 | 2012-09-12 | 鞍山北科电气有限公司 | 40.5KV single-phase outdoor high-voltage vacuum circuit breaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201788887U (en) | Direct-acting vacuum breaker equipped with bistable permanent-magnetic operating mechanism | |
| CN202339881U (en) | Fast horizontal type vacuum switch for flexible power transmission | |
| CN202888065U (en) | 40.5KV outdoor high-voltage vacuum circuit breaker | |
| CN204332812U (en) | Outdoor high-pressure permanent magnetism vacuum circuit breaker | |
| CN203573896U (en) | Outdoor high-voltage permanent magnet vacuum circuit breaker | |
| CN202816785U (en) | A 40.5kV outdoor high-voltage vacuum circuit breaker with three respectively-motioned phases | |
| CN202662521U (en) | 40.5 KV Single-phase outdoor high-voltage vacuum circuit breaker | |
| CN201773748U (en) | Indoor high-voltage direct-operated isolating switch | |
| CN115064412B (en) | High-voltage capacitor fling-cut switch and control method thereof | |
| CN102623232A (en) | Three-phase transferring outdoor high voltage vacuum breaker of 40.5 KV | |
| CN103681083A (en) | High-voltage and direct-current quick disconnecting switch | |
| CN202736828U (en) | Indoor AC high-voltage vacuum circuit breaker | |
| CN104409274A (en) | Controller of high-voltage double-break permanent magnet vacuum circuit breaker | |
| CN102623235B (en) | Outdoor high voltage vacuum breaker of 40.5 KV | |
| CN102664119A (en) | 40.5KV single-phase outdoor high-voltage vacuum circuit breaker | |
| CN201393001Y (en) | Handcart-type medium-pressure switch device for power distribution | |
| CN204349222U (en) | A kind of switch cubicle isolating switch | |
| CN202930305U (en) | High voltage vacuum circuit breaker with O-shaped electrodynamic force compensation arrangement | |
| CN201812736U (en) | Bipolar vacuum circuit breaker for gas-insulated metal-enclosed switching device | |
| CN202487488U (en) | Vacuum circuit breaker of permanent magnet mechanism | |
| CN201853644U (en) | Full-control type high-voltage vacuum contactor | |
| CN211828619U (en) | Miniaturized high-voltage vacuum circuit breaker with three-phase linkage type permanent magnet operating mechanism | |
| CN2570963Y (en) | Low-voltage vacuum breaker with electric power compensation | |
| CN203553033U (en) | Capacitor bank switching vacuum circuit breaker | |
| CN205789676U (en) | A kind of fast and stable type arc extinguishing type chopper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |
|
| CX01 | Expiry of patent term |