CN2779587Y - A/C high voltage vacuum breaker - Google Patents

A/C high voltage vacuum breaker Download PDF

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Publication number
CN2779587Y
CN2779587Y CN 200520095286 CN200520095286U CN2779587Y CN 2779587 Y CN2779587 Y CN 2779587Y CN 200520095286 CN200520095286 CN 200520095286 CN 200520095286 U CN200520095286 U CN 200520095286U CN 2779587 Y CN2779587 Y CN 2779587Y
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CN
China
Prior art keywords
main
plate
voltage vacuum
iron core
hinged
Prior art date
Application number
CN 200520095286
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Chinese (zh)
Inventor
周胜
Original Assignee
周胜
Priority date (The priority date 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 date listed.)
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Application filed by 周胜 filed Critical 周胜
Priority to CN 200520095286 priority Critical patent/CN2779587Y/en
Application granted granted Critical
Publication of CN2779587Y publication Critical patent/CN2779587Y/en

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Abstract

The utility model relates to an AC high-voltage vacuum circuit breaker, which belongs to the technical field of high-voltage switches. The AC high-voltage vacuum circuit breaker mainly solves the problem that the existing AC high-voltage vacuum circuit breaker can not satisfy the requirement of high reliability due to an energy storing device having the disadvantages of complicated structure and poor reliability. The utility model is characterized in that the AC high-voltage vacuum circuit breaker comprises a mechanism box, a three-phase pylon, a link mechanism used for driving an extension rod to move up and down and a permanent magnetic mechanism, wherein the link mechanism comprises an insulating pull rod, a contact spring, an upper connecting rod, a lower connecting rod and a main connecting plate which are connected between the extension rod and a fixed point, wherein the upper and the lower connecting rods are hinged on the main connecting plate between the lower connecting rod and the fixed point and between the insulating pull rod and the extension rod, and a switch dividing spring is arranged between the end parts of the main connecting plate and the mechanism box. The permanent magnetic mechanism comprises a movable iron core, a static iron core and a permanent magnet fixed to the static iron core, and the movable iron core hinged with the main connecting plate via the pull rod is provided with an overcurrent release matched with the main connecting plate. The utility model is mainly used for the AC high-voltage vacuum circuit breaker.

Description

A kind of AC high voltage vacuum breaker
Technical field
The utility model relates to a kind of AC high voltage vacuum breaker, belongs to the high-voltage switch gear technical field.
Background technology
Along with The development in society and economy, power consumer and power department are more and more higher to the reliability requirement of mains supply, and power distribution automation is had higher requirement again to high voltage switchgear; Yet, present widely used AC high voltage vacuum breaker of joining spring operating mechanism, because energy storage device complex structure, poor reliability, design are outmoded, the release rapid wear still difficultly satisfies the reliability requirement that has improved.
Summary of the invention
The purpose of this utility model is exactly at above-mentioned weak point, and a kind of reliability height, simple in structure, long service life and the AC high voltage vacuum breaker of joining permanent magnet mechanism that can be non-maintaining are provided.
Technical solution of the present utility model is: a kind of AC high voltage vacuum breaker, comprise mechanism case and the three-phase king-post that is arranged on the mechanism case top, the extension bar that king-post top is provided with upper and lower binding post, vacuum interrupter and connects with the vacuum interrupter moving contact is characterized in that: also comprise driving extension bar linkage that moves up and down and the permanent magnet mechanism that drives this connecting rod mechanism movement; This linkage comprises insulated tension pole, touch spring, last connecting rod, the lower link that is connected in successively between extension bar and the king-post axis lower end fixing point and is horizontally set on the interior main connecting plate of mechanism case, wherein, be hinged on the main connecting plate between the upper and lower connecting rod, between lower link and the fixing point, hinged between insulated tension pole and the extension bar; Be provided with tripping spring between main connecting plate end and the mechanism case; This permanent magnet mechanism comprises moving iron core in the middle of being arranged on, be arranged on the static iron core of these moving iron core both sides and be fixed on permanent magnet on the static iron core, and moving iron core is hinged through the pull bar and the main connecting plate of end.
Can be provided with an on/off switch coil between two static iron cores of the permanent magnet mechanism described in the utility model technical solution.
Can also be provided with closing coil and switching winding between two static iron cores of the permanent magnet mechanism described in the utility model technical solution.
Can be provided with overcurrent trip on the mechanism case of the main connecting plate end described in the utility model technical solution; Be provided with the current transformer that cooperates with this overcurrent trip in the lower connecting terminal outer end.
Can be provided with manual on/off switch device on the main connecting plate described in the utility model technical solution.
Manual on/off switch device described in the utility model technical solution can be to comprise the lever manual brake separating handle that is hinged on main connecting plate, the mechanism case; By being hinged on coupling spindle on the main connecting plate, being enclosed within switching-in spring and sliding sleeve on this coupling spindle, being hinged on the closing by hand device that the lever switch lever on this sliding sleeve and the mechanism case constitutes.
The utility model is owing to adopt the permanent magnet mechanism of being made up of main parts size such as moving iron core, static iron core, permanent magnets, the energy storage device complicated in the traditional mechanism and the release of rapid wear have been saved, thereby simplify the structure, improved reliability, prolonged useful life, and reduced or remitted maintenance.The utility model is owing to adopt the novel link mechanism that is made up of major parts such as extension bar, insulated tension pole, touch spring, upper and lower strut and main connecting plates, because of the clearance between open contacts and the contacting travel of vacuum interrupter shorter, make between insulated tension pole axis and the king-post axis formed angle less, so switching force is greatly reduced, thereby the energy consumption of permanent magnet mechanism can decline to a great extent.The utility model is owing to adopt the novel manual closing device of being made up of major parts such as switch lever, sliding sleeve, switching-in spring and coupling spindles, be used for that control system breaks down or during short of electricity, after taking urgent manual brake separating, still can carry out manual on/off switch operation to it, make electrical network in time recover unimpeded and reliability service.The utility model is owing to adopt the novel non-transformer overcurrent release protective device of being made up of main parts size such as current transformer, rectifier cell, composite line plate and overcurrent trips; even permanent fault appears in control system; still can continue the overall process of operation of power networks is being brought into play the overcurrent release protective effect, to ensure electric power netting safe running.In sum, the utlity model has outside the advanced configuration of permanent magnet mechanism and linkage combination, also have reliability height, simple in structure, long service life, can non-maintaining skill overall process characteristics such as overcurrent release protection.This combining structure also can be used for AC high voltage vacuum automatic recloser and other similar high-voltage switch gear.The utility model is mainly used in AC high voltage vacuum breaker.
Description of drawings
Fig. 1 is structural representation of the present utility model (gate-dividing state); Fig. 2 is a permanent magnet mechanism control system block diagram; Fig. 3 is overcurrent release protective circuit figure.
Embodiment
The utility model mainly is made up of parts such as three-phase king-post 1, mechanism case 2, permanent magnet mechanism 3 and control system 4.Three-phase king-post 1 is placed in the top of mechanism case 2; Permanent magnet mechanism 3, linkage and part control system 4 are placed in the inside of mechanism case 2.Main conductive circuit by upper connecting terminal 10, vacuum interrupter 11, conductive clip 12, be flexible coupling 13 and parts such as lower connecting terminal 14 form.
For the key operations that the pass of realizing circuit breaker is closed or cut-off, must allow the extension bar 15 that is connected on vacuum interrupter 11 moving contacts do upper and lower motion, this motion is then finished (seeing Fig. 1 for details) by the combination of permanent magnet mechanism 3 drive link mechanisms.Linkage comprises the insulated tension pole 16 that is connected between extension bar 15 and the king-post 1 axis lower end fixing point 27, touch spring 17, go up connecting rod 18, lower link 19 and be horizontally set on main connecting plate 20 (forming by three sections) in the mechanism case 2: hinged between the upper and lower connecting rod 18,19, and hinged with main connecting plate 20 respectively; Insulated tension pole 16 is hinged with extension bar 15, and connects with touch spring 17 and last connecting rod 18; Lower link 19 is hinged with fixing point 27; Main connecting plate 20 is hinged with the pull bar 35 on the permanent magnet mechanism 3, and its right-hand member is connecting tripping spring 26.Permanent magnet mechanism 3 comprises moving iron core 32, static iron core 30, permanent magnet 31, closes, switching winding 33,34 and pull bar 35.Moving iron core 32 places and closes, in the middle of the switching winding 33,34, but and pass two coil endoporus move left and right.Permanent magnet was located at moving iron core 32 both sides in 31 minutes, and was bonded on the middle part boss of half static iron core 30 separately.Pull bar 35 is contained in moving iron core 32 two ends, and hinged with main connecting plate 20.
The closing of permanent magnet mechanism 3, separating brake action are to realize by control system 4.4 of control system by electronic controller 46, charge and discharge main parts size such as electrical equipment 47, power supply 45, capacitor 48, position transducer 49 and current transformer 40 and form (seeing Fig. 2 for details).Its operation principle is: the electromagnetic force that is produced when combined floodgate magnet exciting coil 33 or separating brake magnet exciting coil 34 are received electric current, drive moving iron core 32 and move to corresponding on/off switch extreme position, the permanent magnetism power (confining force) that is provided by permanent magnet 31 simultaneously remains on moving iron core 32 on the extreme position.By the situation analysis of power, specifically: the combined floodgate electromagnetic force should add that tripping spring energy storage power adds that the separating brake side should have confining force to add frictional resistance greater than switching force: the separating brake electromagnetic force should should have confining force to deduct tripping spring greater than the combined floodgate side to release ability.For close, operation principle when the shared on/off switch coil of separating brake such as closing coil 33 is: the combined floodgate principle is same as above; During separating brake, offset combined floodgate side permanent magnetism power (confining force) with the electromagnetic force that reverse current was produced then for closing coil, and under the acting in conjunction of tripping spring 26, finish the separating brake action.Control system 4 is prior aries, and the commercially available prod is arranged.
For control system breaks down or during short of electricity, can guarantee in time to recover the unimpeded and safe and reliable operation of power network line, must set up manual on/off switch device and non-transformer overcurrent release protective device.Manual switching-off device is made of the lever manual brake separating handle 21 that is hinged on main connecting plate 20, the mechanism case 2.The closing by hand device is made of the lever switch lever 22 on hinged sliding sleeve 23 and the mechanism case 2, sliding sleeve 23, coupling spindle 24 and switching-in spring 25, switch lever 22 is hinged with sliding sleeve 23, coupling spindle 24 is hinged with main connecting plate 20, and connects with switching-in spring 25 and sliding sleeve 23.Non-transformer overcurrent release protective device comprises current transformer 40; connect overcurrent trip coil 42 (seeing Fig. 3 for details) by rectifier cell 44 and composite line plate 43; the electromagnetic force that is produced by the induced current excitation overcurrent tripping coil 42 of current transformer 40 drives overcurrent trip 41 actions; promote main connecting plate 20 and move, under the acting in conjunction of tripping spring 26, realize protectiveness separating brake (dropout) to the separating brake direction.Non-transformer overcurrent release protective device circuit is a prior art.

Claims (7)

1, a kind of AC high voltage vacuum breaker, comprise mechanism case (2) and be arranged on the three-phase king-post (1) of mechanism case (2) top, the extension bar (15) that king-post (1) top is provided with upper and lower binding post (10,14), vacuum interrupter (11) and connects with the vacuum interrupter moving contact is characterized in that: also comprise driving extension bar (15) linkage that moves up and down and the permanent magnet mechanism (3) that drives this connecting rod mechanism movement; This linkage comprises insulated tension pole (16), touch spring (17), last connecting rod (18), the lower link (19) that is connected in successively between extension bar (15) and the king-post axis lower end fixing point (27) and is horizontally set on the interior main connecting plate (20) of mechanism case (2), wherein, be hinged on the main connecting plate (20) between the upper and lower connecting rod (18,19), between lower link (19) and the fixing point (27), hinged between insulated tension pole (16) and the extension bar (15); Be provided with tripping spring (26) between main connecting plate (20) end and the mechanism case (2); This permanent magnet mechanism (3) comprises moving iron core (32) in the middle of being arranged on, be arranged on the static iron core (30) of these moving iron core (32) both sides and be fixed on permanent magnet (31) on the static iron core (30), and moving iron core (32) is hinged with main connecting plate (20) through the pull bar (35) of end.
2, a kind of AC high voltage vacuum breaker according to claim 1 is characterized in that: be provided with an on/off switch coil between two static iron cores (30) of described permanent magnet mechanism (3).
3, a kind of AC high voltage vacuum breaker according to claim 1 is characterized in that: be provided with closing coil (33) and switching winding (34) between two static iron cores (30) of described permanent magnet mechanism (3).
4, according to claim 1,2 or 3 described a kind of AC high voltage vacuum breakers, it is characterized in that: the mechanism case (2) of described main connecting plate (20) end is provided with overcurrent trip (41); Be provided with the current transformer (40) that cooperates with this overcurrent trip (41) in lower connecting terminal (14) outer end.
5, according to claim 1,2 or 3 described a kind of AC high voltage vacuum breakers, it is characterized in that: described main connecting plate (20) is provided with manual on/off switch device.
6, according to the described a kind of AC high voltage vacuum breaker of claim 4, it is characterized in that: described main connecting plate (20) is provided with manual on/off switch device.
7, according to claim 5 or 6 described a kind of AC high voltage vacuum breakers, it is characterized in that: described manual on/off switch device comprises the lever manual brake separating handle (21) that is hinged on main connecting plate (20), the mechanism case (2); By being hinged on coupling spindle (24) on the main connecting plate (20), being enclosed within switching-in spring (25) and sliding sleeve (23) on this coupling spindle (24), being hinged on the closing by hand device that the lever switch lever (22) on this sliding sleeve (23) and the mechanism case (2) constitutes.
CN 200520095286 2005-02-19 2005-02-19 A/C high voltage vacuum breaker CN2779587Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520095286 CN2779587Y (en) 2005-02-19 2005-02-19 A/C high voltage vacuum breaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520095286 CN2779587Y (en) 2005-02-19 2005-02-19 A/C high voltage vacuum breaker

Publications (1)

Publication Number Publication Date
CN2779587Y true CN2779587Y (en) 2006-05-10

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101877289A (en) * 2010-05-18 2010-11-03 湖北网安科技有限公司 Seal vacuum circuit breaker of outdoor high-voltage permanent-magnetic mechanism
CN101882531A (en) * 2010-06-24 2010-11-10 无锡市锡山湖光电器有限公司 Manual closing mechanism of high-voltage vacuum permanent magnet mechanism circuit-breaker
WO2011075931A1 (en) * 2009-12-21 2011-06-30 湖北盛佳电器设备有限公司 Mechanical high voltage breaker with function of short circuit self-locking
CN102522254A (en) * 2011-12-02 2012-06-27 安徽宇腾真空电气有限责任公司 Permanent magnet type vacuum circuit breaker
CN102664120A (en) * 2012-04-19 2012-09-12 长沙智通电力设备有限公司 Miniaturized 40.5KV vacuum circuit breaker
CN104134572A (en) * 2014-08-14 2014-11-05 正泰电气股份有限公司 On-pole permanent magnet vacuum breaker with manual switching-on and switching-off device
CN104201048A (en) * 2014-09-13 2014-12-10 安徽鑫龙电器股份有限公司 Transmission mechanism of vacuum circuit breaker
CN104576180A (en) * 2014-12-31 2015-04-29 安徽宇腾真空电气有限责任公司 Permanent magnetic mechanism circuit breaker
CN105206468A (en) * 2015-10-22 2015-12-30 林代湘 Circuit breaker capable of conveniently adjusting opening range and contacting travel
CN106847611A (en) * 2017-04-15 2017-06-13 浙江常有电气有限公司 Magneto vacuum circuit breaker
CN107258006A (en) * 2015-02-26 2017-10-17 通用电器技术有限公司 Drive device for electric switching system
CN109755050A (en) * 2019-02-26 2019-05-14 乐清市宸颐企业信息咨询有限公司 One or two fusion serial column upper switch

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101740272B (en) * 2009-12-21 2012-12-19 湖北盛佳电器设备有限公司 Mechanical high-voltage circuit breaker with short circuit self-locking function
WO2011075931A1 (en) * 2009-12-21 2011-06-30 湖北盛佳电器设备有限公司 Mechanical high voltage breaker with function of short circuit self-locking
CN101877289B (en) * 2010-05-18 2011-07-06 湖北网安科技有限公司 Seal vacuum circuit breaker of outdoor high-voltage permanent-magnetic mechanism
CN101877289A (en) * 2010-05-18 2010-11-03 湖北网安科技有限公司 Seal vacuum circuit breaker of outdoor high-voltage permanent-magnetic mechanism
CN101882531A (en) * 2010-06-24 2010-11-10 无锡市锡山湖光电器有限公司 Manual closing mechanism of high-voltage vacuum permanent magnet mechanism circuit-breaker
CN101882531B (en) * 2010-06-24 2013-03-20 无锡市锡山湖光电器有限公司 Manual closing mechanism of high-voltage vacuum permanent magnet mechanism circuit-breaker
CN102522254A (en) * 2011-12-02 2012-06-27 安徽宇腾真空电气有限责任公司 Permanent magnet type vacuum circuit breaker
CN102664120A (en) * 2012-04-19 2012-09-12 长沙智通电力设备有限公司 Miniaturized 40.5KV vacuum circuit breaker
CN104134572B (en) * 2014-08-14 2016-08-31 正泰电气股份有限公司 Permanent magnetic vacuum breaker on the post of a kind of band hand-power switching off/on device
CN104134572A (en) * 2014-08-14 2014-11-05 正泰电气股份有限公司 On-pole permanent magnet vacuum breaker with manual switching-on and switching-off device
CN104201048A (en) * 2014-09-13 2014-12-10 安徽鑫龙电器股份有限公司 Transmission mechanism of vacuum circuit breaker
CN104576180A (en) * 2014-12-31 2015-04-29 安徽宇腾真空电气有限责任公司 Permanent magnetic mechanism circuit breaker
CN107258006A (en) * 2015-02-26 2017-10-17 通用电器技术有限公司 Drive device for electric switching system
CN105206468A (en) * 2015-10-22 2015-12-30 林代湘 Circuit breaker capable of conveniently adjusting opening range and contacting travel
CN106847611A (en) * 2017-04-15 2017-06-13 浙江常有电气有限公司 Magneto vacuum circuit breaker
CN109755050A (en) * 2019-02-26 2019-05-14 乐清市宸颐企业信息咨询有限公司 One or two fusion serial column upper switch

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C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060510

Termination date: 20100219

C17 Cessation of patent right