CN102623232A - Three-phase transferring outdoor high voltage vacuum breaker of 40.5 KV - Google Patents
Three-phase transferring outdoor high voltage vacuum breaker of 40.5 KV Download PDFInfo
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- CN102623232A CN102623232A CN2012101087906A CN201210108790A CN102623232A CN 102623232 A CN102623232 A CN 102623232A CN 2012101087906 A CN2012101087906 A CN 2012101087906A CN 201210108790 A CN201210108790 A CN 201210108790A CN 102623232 A CN102623232 A CN 102623232A
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Abstract
The invention relates to a three-phase transferring outdoor high voltage vacuum breaker of 40.5 KV. An overall structure is a three-phase discrete porcelain bushing support type, a porcelain busing support is divided into an upper portion and a lower portion, a vacuum arc extinguishing chamber, an electric conducting contact, a contact spring and an insulation pull rod are arranged inside the porcelain bushing support, the three-phase porcelain bushing support is arranged on the same machine frame, four footing supports and three operation cases are arranged on the machine frame, an operation mechanism is respectively arranged in each operation case, and each operation mechanism is only connected with a transmission connecting lever of the porcelain bushing support above each operation mechanism. A permanent magnetic mechanism can be bistable and also can be monostable. The three-phase transferring outdoor high voltage vacuum breaker of 40.5 KV has the advantages that maintaining work load of the operation mechanism of the breaker is reduced, working reliability of the operation mechanism is improved and service life of the operation mechanism is prolonged, consistency and repeatability of switching-on and switching-off time of the breaker are improved, and the breaker can be applied to a power transmission and distribution system with precise and fast switching-on and switching-off time control requirements, and a switching-on and switching-off method of the power transmission and distribution system is three-phase transferring.
Description
Technical field
The present invention 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, its product structure all are the spring actuator mechanism circuit-breakers of three-phase coordinated type.Latest edition " in the high voltage electric appliance handbook (Chinese Xi'an High-Voltage Electrical Appliances research institute 2008 publish), announced the product informations such as performance parameter and overall structure of typical outdoor high-voltage vacuum breakers such as ZW7-40.5 type, ZW30-40.5 type.Adopt the outdoor high-voltage vacuum breaker of spring operating mechanism,, make that its maintenance workload is big, reliability is relatively poor and the life-span is shorter because the design feature of its operating mechanism has determined its moving component not only to be easy to wearing and tearing; 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.Therefore, this outdoor high-voltage vacuum breaker can only be applied in the less demanding electrical power trans mission/distribution system, and can not be applied to have accurately that on/off switch time control fast requires, particularly to require the on/off switch working method be in the electrical power trans mission/distribution system of three-phase transfer.
Summary of the invention
The purpose of this invention is to provide a kind of outdoor high-voltage vacuum breaker permanent-magnet manipulating mechanism, that have the 40.5KV of three-phase transfer working method that adopts; To reduce the operating mechanism maintenance workload of circuit breaker, improve the 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 have accurately that on/off switch time control fast requires, particularly the on/off switch working method is in the electrical power trans mission/distribution system of three-phase transfer.
For realizing above-mentioned purpose, the present invention adopts following technical scheme to realize:
The three-phase partition type outdoor high-voltage vacuum breaker of a kind of 40.5KV, its general structure are the discrete insulator column support type of three-phase, and the insulator pillar is divided into two parts up and down; Vacuum interrupter, conductive contact are housed in the last insulator, in the following insulator touch spring and insulated tension pole are housed, the top of last insulator is sealed by end plate, upper wiring board and connector; The connection place of insulator is by terminal block and upper and lower connector are sealed after connecting down up and down; The bottom of following insulator is connecting a transmission case, and transmission case is made up of casing, end cap and bearing and horizontal drive shaft and divide-shut brake connecting lever thereof etc., and three-phase insulator pillar is contained on the common frame; The transmission case that each phase insulator props up the column bottom all reaches the inside of frame; The footing support is housed on the frame, transmission crank arm and buffering connecting lever are housed respectively on the power transmission shaft of three transmission cases, 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) bottom of frame is connected with three control boxs altogether, and each control box all is positioned at below its corresponding insulator pillar, and an operating mechanism all is housed in each control box, each operating mechanism only and the transmission crank arm of the insulator pillar above it link;
(b) operating mechanism be one by support and be contained in the driving the transmission mechanism that connecting lever, output toggle arm and extension spring connecting lever etc. constitute 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 is formed of support top by bearing, splined shaft, divide-shut brake;
(c) permanent magnet mechanism on the permanent-magnet manipulating mechanism and the divide-shut brake on the transmission mechanism drive connecting lever be through two ends have positive left-hand thread screw thread screw rod and coupling head and stationary links be linked together;
(d) have four footing supports on the frame, it lays respectively at the two ends of frame and the both sides of intermediary operation case.
Compared with prior art, advantage of the present invention is:
1) adopts permanent-magnet manipulating mechanism to replace after the spring operating mechanism,, do not have the machinery wearing and tearing because the permanent-magnet manipulating mechanism employing is the permanent magnetism locker; 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 in the system of accurate Fast Time control requirement.
3) because this circuit breaker has adopted three-phase transfer working method, therefore, this circuit breaker can be applied in to have choosing and controls mutually in the electrical power trans mission/distribution system of requirement.
Description of drawings
Fig. 1 is the structural representation of 40.5KV outdoor high-voltage vacuum breaker.
Fig. 2 is the structural representation of transmission case.
Fig. 3 is the structural representation of insulator pillar and permanent-magnet manipulating mechanism.
Embodiment
Referring to Fig. 1, Fig. 2 and Fig. 3, the three-phase partition type outdoor high-voltage vacuum breaker of 40.5KV of the present invention, its general structure is similar with existing product, is the discrete insulator column support type of three-phase.Three-phase insulator pillar is contained on the common frame 10; Each phase insulator pillar is divided into two parts up and down; Seal with end cap 1 and upper wiring board 2 and connector 3 thereof the upper end of last insulator 4; The top of the bottom of last insulator 4 and following insulator 8 links up with connector 7 with following terminal block 6 and connector 5 thereof, 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 following 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 the insulated tension pole 16 here, the hole on this hole and the divide-shut brake connecting lever 27 with a bearing pin 30 together.Wear in public the bearing 31 of the two ends of power transmission shaft 29 from two end caps 28 of transmission case 17.Two ends are equipped with transmission crank arm 22 and buffering connecting lever 18 respectively on the power transmission shaft 29 of each phase.Buffer is equipped with in the place of corresponding buffering connecting lever 18 on the frame 10.
The above is the general structure of 40.5KV outdoor high-voltage vacuum breaker of the present invention, and the invention is characterized in circuit breaker each mutually all be furnished with an independently operating mechanism, and the independent operating mechanism of institute's adapted is a kind of permanent-magnet manipulating mechanism.
Specifically, be connected with three control boxs 11 exactly in the bottom of frame 10, and three control boxs 11 lay respectively at three-phase insulator pillar below.A permanent-magnet manipulating mechanism all is housed in each control box 11.And four footing supports 12 are housed on frame 10 altogether, and two two ends that are contained in frame 10 wherein, two other is contained in the both sides of intermediary operation case 11.Permanent-magnet manipulating mechanism has the mechanism rack of " H " shape, and in order to increase structural strength, the entire mechanism support 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 constituted permanent-magnet manipulating mechanism.Wherein the transmission crank arm 22 of output toggle arm 24 and each insulator pillar mutually links up through 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 push rod of permanent magnet mechanism 26 has extended upwardly from the hole at horizontal support plate middle part; And have the screw rod 25 of positive left-hand thread screw thread and the connecting rod of a coupling head and a regular length through two ends, 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 inner coil of permanent magnet mechanism promptly can be the twin coil mode, also can be the unicoil mode.The permanent magnet mechanism of this version all has detailed introduction and designing and calculating on a lot of professional magazines.
40.5KV outdoor high-voltage vacuum breaker of the present invention, its electric control system adopts is three to overlap independently electrical control gear, controls the permanent-magnet manipulating mechanism of each phase respectively.This device is that kernel control chip is formed with the IGBT device.The power of IGBT device is as the criterion can satisfy the needed electric current and voltage of permanent-magnet manipulating mechanism, is equipped with commercially available respective drive circuit board and+15V stabilized voltage power supply again.And the collector electrode working power of IGBT device adopts is accumulation power supply, is made up of 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 the bridge circuit that will be connected into " 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 the common series circuit just passable.
40.5KV outdoor high-voltage vacuum breaker of the present invention; Its course of work is such: when each phase electrical control gear of circuit breaker is received reclosing command; Just drive the IGBT device of closing circuit through the corresponding driving circuit board; It is electric that the permanent magnet mechanism closing coil of circuit breaker is got, and permanent magnet mechanism begins action.At this moment, the output push rod of permanent magnet mechanism 26 is through 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 through movable link rod 23 and also moves downward; And the divide-shut brake connecting lever 27 that the horizontal drive shaft 29 of transmission crank arm 22 through transmission case 17 drives on it moves upward with insulated tension pole 16, touch spring 15 in the insulator pillar; Closed and rely on the permanent magnetism confining force of permanent magnet mechanism until vacuum interrupter 13; Stably remain on the closing position, so far, making process finishes.And this moment, tripping spring 21 since receive extension spring connecting lever 20 to upper pulling force and energy storage.Receive separating brake when instruction when each phase electrical control gear of circuit breaker, just drive the IGBT device of sub-gate circuit through the corresponding driving circuit board, it is electric that the permanent magnet mechanism switching winding of circuit breaker is got, and permanent magnet mechanism begins action.At this moment, the output push rod of permanent magnet mechanism 26 is through 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 through movable link rod 23 and also moves upward; And the divide-shut brake connecting lever 27 that the horizontal drive shaft 29 of transmission crank arm 22 through transmission case 17 drives on it moves downward with insulated tension pole 16, touch spring 15 in the insulator pillar; Opened and relied on the pulling force of tripping spring 21 in 13 minutes until vacuum interrupter; Stably remain on the separating brake position, so far, the separating brake process finishes.
Claims (4)
1. the three-phase partition type outdoor high-voltage vacuum breaker of a 40.5KV, its general structure are the discrete insulator column support type of three-phase, and the insulator pillar is divided into two parts up and down; Vacuum interrupter, conductive contact are housed in the last insulator, in the following insulator touch spring and insulated tension pole are housed, the top of last insulator is sealed by end plate, upper wiring board and connector; Up and down insulator and the connection place by down terminal block and upper and lower connector are sealed after connecting; The bottom of following insulator is connecting a transmission case, and transmission case is made up of casing, end cap and bearing and horizontal drive shaft and divide-shut brake connecting lever thereof, and three-phase insulator pillar is contained on the common frame; The transmission case that each phase insulator props up the column bottom all reaches the inside of frame; The footing support is housed on the frame, transmission crank arm and buffering connecting lever are housed respectively on the power transmission shaft of three transmission cases, 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) bottom of frame is connected with three control boxs altogether, and each control box all is positioned at below the corresponding insulator pillar, and an operating mechanism all is housed in each control box, and each operating mechanism only links with the transmission crank arm of insulator pillar of its correspondence;
(b) operating mechanism be one by support and be contained in the driving the transmission mechanism that connecting lever, output toggle arm and extension spring connecting lever constitute 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 is formed of support top by bearing, splined shaft, divide-shut brake;
(c) permanent magnet mechanism on the permanent-magnet manipulating mechanism and the divide-shut brake on the transmission mechanism drive connecting lever be through two ends have positive left-hand thread screw thread screw rod and coupling head and stationary links be linked together;
(d) have four footing supports on the frame, it lays respectively at the two ends of frame and the both sides of intermediary operation case.
2. the three-phase partition type outdoor high-voltage vacuum breaker of 40.5KV according to claim 1, it is characterized in that: the permanent magnet mechanism that is adopted is a bistable-state permanent magnet mechanism, or Monostable permanent magnetic mechanism.
3. the three-phase partition type outdoor high-voltage vacuum breaker of 40.5KV according to claim 2, it is characterized in that: the permanent magnet mechanism that is adopted is the unicoil mode, or the twin coil mode.
4. according to the three-phase partition type outdoor high-voltage vacuum breaker of each described 40.5KV of claim 1 to 3, it is characterized in that: the described 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 |
|---|---|---|---|
| CN2012101087906A CN102623232A (en) | 2012-04-14 | 2012-04-14 | Three-phase transferring outdoor high voltage vacuum breaker of 40.5 KV |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101087906A CN102623232A (en) | 2012-04-14 | 2012-04-14 | Three-phase transferring outdoor high voltage vacuum breaker of 40.5 KV |
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| CN102623232A true CN102623232A (en) | 2012-08-01 |
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| CN2012101087906A Pending CN102623232A (en) | 2012-04-14 | 2012-04-14 | Three-phase transferring outdoor high voltage vacuum breaker of 40.5 KV |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456557A (en) * | 2013-09-13 | 2013-12-18 | 广东布瑞克开关有限公司 | Fast connecting device of permanent magnet circuit breaker |
| CN104701104A (en) * | 2014-12-31 | 2015-06-10 | 国家电网公司 | High-voltage circuit breaker |
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| US5912604A (en) * | 1997-02-04 | 1999-06-15 | Abb Power T&D Company, Inc. | Molded pole automatic circuit recloser with bistable electromagnetic actuator |
| CN2919502Y (en) * | 2006-07-10 | 2007-07-04 | 沈阳工业大学 | Parted phase permanent magnetism mechanism vacuum circuit breaker |
| CN101075509A (en) * | 2007-06-26 | 2007-11-21 | 西安交通大学 | High-voltage vacuum circuit breaker with mono-fracture voltage to 252kV |
| CN101582347A (en) * | 2009-03-24 | 2009-11-18 | 童建朋 | Permanent magnet type 35KV vacuum circuit breaker |
| CN202067720U (en) * | 2011-05-19 | 2011-12-07 | 山东鼎鑫电气科技有限公司 | Vacuum circuit breaker for three-phase AC outdoor high voltage |
| CN202816785U (en) * | 2012-04-14 | 2013-03-20 | 鞍山北科电气有限公司 | A 40.5kV outdoor high-voltage vacuum circuit breaker with three respectively-motioned phases |
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2012
- 2012-04-14 CN CN2012101087906A patent/CN102623232A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5912604A (en) * | 1997-02-04 | 1999-06-15 | Abb Power T&D Company, Inc. | Molded pole automatic circuit recloser with bistable electromagnetic actuator |
| CN2919502Y (en) * | 2006-07-10 | 2007-07-04 | 沈阳工业大学 | Parted phase permanent magnetism mechanism vacuum circuit breaker |
| CN101075509A (en) * | 2007-06-26 | 2007-11-21 | 西安交通大学 | High-voltage vacuum circuit breaker with mono-fracture voltage to 252kV |
| CN101582347A (en) * | 2009-03-24 | 2009-11-18 | 童建朋 | Permanent magnet type 35KV vacuum circuit breaker |
| CN202067720U (en) * | 2011-05-19 | 2011-12-07 | 山东鼎鑫电气科技有限公司 | Vacuum circuit breaker for three-phase AC outdoor high voltage |
| CN202816785U (en) * | 2012-04-14 | 2013-03-20 | 鞍山北科电气有限公司 | A 40.5kV outdoor high-voltage vacuum circuit breaker with three respectively-motioned phases |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456557A (en) * | 2013-09-13 | 2013-12-18 | 广东布瑞克开关有限公司 | Fast connecting device of permanent magnet circuit breaker |
| CN103456557B (en) * | 2013-09-13 | 2016-01-13 | 珠海万力达电气自动化有限公司 | A kind of permanent-magnet breaker Quick Connect Kit |
| CN104701104A (en) * | 2014-12-31 | 2015-06-10 | 国家电网公司 | High-voltage circuit breaker |
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Application publication date: 20120801 |