CN101789327A - Combined appliance of indoor high-voltage vacuum load switch and high-voltage fuse - Google Patents
Combined appliance of indoor high-voltage vacuum load switch and high-voltage fuse Download PDFInfo
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- CN101789327A CN101789327A CN 200910110939 CN200910110939A CN101789327A CN 101789327 A CN101789327 A CN 101789327A CN 200910110939 CN200910110939 CN 200910110939 CN 200910110939 A CN200910110939 A CN 200910110939A CN 101789327 A CN101789327 A CN 101789327A
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Abstract
The invention relates to a combined appliance of an indoor high-voltage vacuum load switch and a high-voltage fuse, which comprises electrode posts 11, an operation mechanism 12, an isolating switch static contact base, an insulating cover 13 and a metal fixed frame 14. The combined appliance of the indoor high-voltage vacuum load switch and the high voltage fuse is characterized by being provided with an energy storage mechanism, a valve, an isolation and grounding linkage mechanism and a circuit breaker transmission mechanism. The combined appliance has the advantages of modularized mechanism, an energy storage maintenance function, high transmission accuracy, can realize functions of single-separation single-close or reclosing, and has the characteristics of breaking short-circuit current capability and being capable of realizing time sequence three-axis linkage and minisized layout of the valve, the isolation and the grounding, therefore, the invention provides the novel combined appliance of the indoor high-voltage vacuum load switch and the high voltage fuse.
Description
One, technical field
The invention belongs to high voltage electric equipment device technology field, relate to a kind of high tension distribution system protective device that is used for, relate in particular to a kind of novel indoor high-voltage vacuum on-load switch-high-tension fuse combined electrical apparatus.
Two, background technology
The vacuum circuit-breaker of at present traditional indoor switch cubicle configuration mainly is made up of pole, operating mechanism, static contact isolation switch seat and insulating cover, the metal fixed frame that vertically install front and back.Its weak point is: traditional four link type mechanism is dispersed in body interior, not easy care.The tradition on-load switch is directly to close a floodgate when finishing energy storage, and no energy storage keeps function, and making process is slow, can't realize closing a floodgate by the shunt opening coil.The tradition on-load switch adopts main shaft to reverse usually, realizes closing a floodgate by three groups of connecting levers, and transmission accuracy is low, rigidity is little, and synchronism is poor, only can the disjunction load current.The tradition on-load switch can't realize that valve, isolation, ground connection have the sequential three-shaft linkage.And traditional on-load switch volume is very big, makes troubles to installation.
Three, summary of the invention
The object of the invention is to overcome above-mentioned weak point of the prior art and a kind of mechanism moduleization is provided, has energy storage to keep function, can realize singly closing or the reclosing function single the branch, the transmission accuracy height has disjunction short circuit current ability, can realize that valve, isolation, ground connection have a kind of novel indoor high-voltage vacuum on-load switch-high-tension fuse combined electrical apparatus of sequential three-shaft linkage, miniaturization spatial layout feature.
The present invention realizes in the following way:
Pole, operating mechanism, static contact isolation switch seat and insulating cover, the metal fixed frame vertically installed before and after the present invention includes also are provided with stored energy mechanism, valve, isolation, ground connection link gear, circuit breaker kinematic link mechanism simultaneously.
Described stored energy mechanism comprises electric energy-stored device and manual energy storing device, and wherein: manual energy storing device is mainly by: stored energy operation handle, manually energy storage axle, bevel pinion, bevel gear wheel, pinion shaft (pinion), gear wheel (ratchet), ratchet, main shaft, cam, connecting lever are formed.Electric energy-stored device mainly by: motor output shaft, pinion shaft, gear wheel (ratchet), ratchet, main shaft, cam, connecting lever are formed.
Described valve, isolation, ground connection link gear mainly include: curtain shaft, valve connecting lever, valve connecting rod, isolation axle, operating axis, isolation connecting lever, spacer link, operating axis connecting lever, ground connection connecting rod, grounding shaft, ground connection connecting lever.
Described circuit breaker kinematic link mechanism includes cam, roller connecting lever, output toggle arm, yielding rubber, connecting rod, connecting lever, pull bar, spring base, tripping spring.
Its course of work: after the switching-in spring energy storage, after hand push button shake-up and the action of shunt opening coil electricity, drive the rotation of combined floodgate semiaxis, switching-in spring is released can, circuit breaker kinematic link mechanism promotes vacuum interrupter by elements such as cam, sincere son, output toggle arm, connecting rod, insulated tension poles and closes a floodgate, and makes the tripping spring energy storage simultaneously; Separating brake drives the rotation of separating brake semiaxis by touching opening button or shunt opening coil (overcurrent coil) energising action, and tripping spring is released pulling such as the actuated element that can pass through sincere son, connecting rod, insulating bar vacuum interrupter separating brake.Combined electrical apparatus can also pass through fusing, makes the on-load switch separating brake by trip assembley therefor.
In sum, the present invention has following advantage with respect to prior art:
One, mechanism moduleization, and be arranged in the body outside, layout structure succinctly maintains easily.
Two, have energy storage to keep function, can finish branch, combined floodgates by actuation button, or by shunt opening coil or the electronic branch of overcurrent coil, combined floodgate, divide, combined floodgate is quick and portably flexible.
Three, adopt circuit breaker kinematic link mechanism and high breaking vacuum interrupter, can realize singly closing or the reclosing function single the branch, the transmission accuracy height has disjunction short circuit current ability.
Four, realize that valve, isolation, ground connection have the sequential three-shaft linkage, before promptly on-load switch closes a floodgate, after ground connection, valve are opened earlier and put in place, isolate and close again; Behind the on-load switch separating brake, isolate earlier separately, valve, ground connection are closed then.Realize that switch motion is highly integrated, convenience ease in use, it is reliable and secure to interlock.
Five, miniaturization layout, the wide 375mm that can accomplish of chest of 12kV vacuum load switch, the wide 450mm that accomplishes of chest of combined electrical apparatus is promptly suitable with sulphur hexafluoride cabinet with electric pressure.
Four, description of drawings
Fig. 1 Facad structure schematic diagram of the present invention;
Fig. 2 side structure schematic diagram of the present invention;
Fig. 3 energy storage device Facad structure of the present invention schematic diagram;
Fig. 4 energy storage device side structure of the present invention schematic diagram;
Fig. 5 circuit breaker kinematic link of the present invention mechanism structure schematic diagram;
Fig. 6 valve of the present invention, isolation, ground connection link gear structural representation;
Fig. 7 valve of the present invention, isolation, the positive rotation structure schematic diagram of ground connection link gear operating axis;
Fig. 8 valve of the present invention, isolation, ground connection link gear operating axis inversion structures schematic diagram;
Five, embodiment
The specific embodiment of the invention now is described in detail in detail in conjunction with the accompanying drawings:
As shown in Figure 1 and Figure 2, pole 11, operating mechanism 12, static contact isolation switch seat and insulating cover 13, the metal fixed frame 14 vertically installed before and after the present invention mainly includes.Also be provided with stored energy mechanism simultaneously, valve, isolation, ground connection link gear, circuit breaker kinematic link mechanism.
As shown in Figure 3, Figure 4, stored energy mechanism of the present invention comprises electric energy-stored device and manual energy storing device.
Wherein: manual energy storing device is mainly by: stored energy operation handle, manually energy storage axle 31, bevel pinion 32, bevel gear wheel 33, pinion shaft 41 (pinion), gear wheel 42 (ratchet), ratchet 34, main shaft 35, cam 36, connecting lever are formed.Drive connection: stored energy operation handle → manual energy storage axle 31 → bevel pinion 32 → bevel gear wheel 33 → pinion shaft 41 (pinion) → gear wheel 42 (ratchet) → ratchets 34, main shaft 35, cam 36, connecting lever.
Energy storage principle is inserted handle before the reduction box in the square hole, rocking-turn 25 circles clockwise, and ratchet 42 has entered cam 36 breach, drives storage wheel shaft 31 and rotates, and continues firmly rocking-turn handle 25 circles, and switching-in spring 37 energy storage finish, and unload handgrip.
Electric energy-stored device mainly by: motor output shaft, pinion shaft 41, gear wheel 42 (ratchet), ratchet 34, main shaft 35, cam 36, connecting lever are formed.Drive connection: electric energy-stored is that motor output shaft directly drives pinion shaft 41 rotation → gear wheel 42 (ratchet) → ratchets 34, main shaft 35, cam 36, connecting lever.
Energy storage principle is connected motor power, axle sleeve is by the big worm gear drives in the decelerator, when ratchet enters breach on the cam, drive the energy storage axle and rotate, switching-in spring 37 is pinned by the energy storage holding plate after being pulled to peak, the small rod transmission one little bent plate on the crank, depress sensitive switch, motor power is cut off, and " energy storage indication " shows that whole energy storage time is 15 seconds.
By top drive connection, after connecting lever rotated the dead point, switching-in spring was stretched, and was in the energy storage position, and energy storage holding plate 38 withstands the roller 39 on the ratchet, realized that energy storage keeps.Forward that ratchet will be backed down by the pin on the mechanism case when driving ratchet concave point position to if be rotated further ratchet on that gear wheel 42 of stored energy operation handle, gear wheel 42 will be realized dallying.
As shown in Figure 5, valve of the present invention, isolation, ground connection link gear mainly include: curtain shaft 61, valve connecting lever 82, valve connecting rod 83, isolation axle 64, operating axis 65, isolation connecting lever 86, spacer link 87, operating axis connecting lever 88, ground connection connecting rod 89, grounding shaft 610, ground connection connecting lever 811.
Wherein: operating axis 65 links to each other with operating axis connecting lever 88, and operating axis connecting lever 88 links to each other with spacer link 87 and ground connection connecting rod 89 respectively; Isolate axle 64 and link to each other, isolate connecting lever 86 and link to each other with spacer link 87 and valve connecting rod 83 respectively with isolation connecting lever 86; Curtain shaft 61 links to each other with valve connecting lever 82, and valve connecting lever 82 links to each other with valve connecting rod 83; Grounding shaft 610 links to each other with ground connection connecting lever 811, and ground connection connecting lever 811 links to each other with ground connection connecting rod 89.
Operation principle: when operating axis 65 was just changeing, operating axis connecting lever 88 changeed an angle, isolated axle 64 under the promotion of spacer link 87, isolating connecting lever 86 turns an angle, isolating switch closes a floodgate, and promotes valve connecting rod 83 simultaneously and drives curtain shaft 61 and 82 rotations of valve connecting lever, valve separating brake at this moment.And drive grounding shaft 610 rotations, promote ground connection connecting rod 89 and 811 interlocks of ground connection connecting lever, the earthed switch separating brake.The main spring mechanism of vacuum load switch carries out energy storage by operating axis, and the size of dependent manual operation does not influence the branch sum velocity of switch.
Isolating switch and earthed switch, Isolation Valve interlock separately behind the vacuum interrupter, can separate isolation knife, connect the ground cutter can close a floodgate and valve is shut, otherwise separately ground connection cutter and Isolation Valve, the isolating switch that can close, vacuum interrupter closes.Isolating switch connects with copper bar and soft copper cover between vacuum load switch and the current limiting fuse.
As Fig. 6, Fig. 7, shown in Figure 8, described circuit breaker kinematic link mechanism includes cam 51, roller connecting lever 52, output toggle arm 53, yielding rubber 54, connecting rod 55, connecting lever 56, pull bar 57, spring base 58, tripping spring 59.
Wherein: cam 51 is located at roller connecting lever 52 tops, and output toggle arm 53 links to each other with roller connecting lever 52 and connecting rod 55 respectively, and connecting lever 56 links to each other with connecting rod 55 and pull bar 57 respectively, and connecting rod 55 1 ends are provided with yielding rubber 54, and the other end is provided with spring base 58 and tripping spring 59.
Operation principle: after on-load switch is received reclosing command, the trip gear part is removed the energy storage hold mode, and cam 51 rotates and drives 52 rotations of roller connecting lever, promotes 3 pull bars 57 that connect separately to pressing down, spring base 58 promotes tripping spring 59 compressions, finishes combined floodgate.
After on-load switch is received the separating brake instruction, the tripping spring 59 of circuit breaker kinematic link mechanism unclamps, the "on" position of on-load switch and circuit breaker kinematic link mechanism is removed, the separating brake load that is added in the circuit breaker kinematic link mechanism loses support, promote circuit breaker kinematic link mechanism kinematic parts and do sub-switching operation, spring base 58 promotes connecting rod 55 three connecting levers 56 rotations simultaneously, draw high pull bar 57 through after the buffering of yielding rubber 54, active force reduces, output toggle arm 53 promotes roller connecting lever 52 and rotates, and related cam 51 changes certain angle automatically and finishes sub-switching operation.Circuit breaker kinematic link mechanism is connected with the link gear organic integration.
Its course of work: after the switching-in spring energy storage, after hand push button shake-up and the action of shunt opening coil electricity, drive the rotation of combined floodgate semiaxis, switching-in spring is released can, circuit breaker kinematic link mechanism promotes vacuum interrupter by elements such as cam, sincere son, output toggle arm, connecting rod, insulated tension poles and closes a floodgate, and makes the tripping spring energy storage simultaneously; Separating brake drives the rotation of separating brake semiaxis by touching opening button or shunt opening coil (overcurrent coil) energising action, and tripping spring is released pulling such as the actuated element that can pass through sincere son, connecting rod, insulating bar vacuum interrupter separating brake.Combined electrical apparatus can also pass through fusing, makes the on-load switch separating brake by trip assembley therefor.
The every utmost point of indoor high-voltage vacuum on-load switch fuse combined electric apparatus of the present invention is to be made of whole arc interrupter pole, since the unique design of arc control device, its cut-off current low (3A), and therefore the overvoltage that is produced is also relatively low.Not only can prevent the infringement of bump and filthy and the condensation of outer bound pair arc control device, and can realize the miniaturization of vacuum load switch, electric life is long, and transfer current is big, insulation level height, simple to operate.Framework is bent by steel plate and is welded, the insulation support is installed on the framework, its inner tip is fixed with fingertip, outer tip end leaves the terminals that are connected with busbar, the moving contact system is moved both vertically by supports insulative frame, the main connecting lever band conductive tube of insulation, spout, constitutes a vertical slipper mechanism, thereby guarantees that moving both vertically of moving contact can not hindered, spring plays and closes the branch effect, makes breaking-closing operating not be subjected to the influence of manpower size.The current limiting fuse and the cylinder that have striker are arranged vertically, and striker bump end is aimed at the dropout connecting lever of tripping system downwards, and current limiting fuse is done the time spent, and dropout is subjected to striker and promotes to make the on-load switch automatic brake separating.Earthed switch and Isolation Valve link, and interlock with on-load switch.Framework as operating mechanism, each utmost point of on-load switch is made of the arc interrupter pole that solid envelope forms, arc control device are sealed admittedly through insulate resilient coating and ceramic vacuum chamber by epoxy resin and are integral, mechanism's assembling is inner forms (as energy storage assembling, on/off switch operation, secondary assembling, output shaft assembling, spindle mounted) by the each several part part of divide-shut brake two modules, operating mechanism is a spring operating mechanism, and energy-stored spring is an extension spring.
Claims (6)
1. indoor high-voltage vacuum on-load switch-high-tension fuse combined electrical apparatus, pole (11), operating mechanism (12), static contact isolation switch seat and insulating cover (13), the metal fixed frame (14) vertically installed before and after including, it is characterized in that: also be provided with stored energy mechanism, valve, isolation, ground connection link gear, circuit breaker kinematic link mechanism.
2. indoor high-voltage vacuum on-load switch according to claim 1-high-tension fuse combined electrical apparatus, it is characterized in that: described stored energy mechanism comprises electric energy-stored device and manual energy storing device.
3. indoor high-voltage vacuum on-load switch according to claim 2-high-tension fuse combined electrical apparatus is characterized in that: described manual energy storing device is mainly by: stored energy operation handle, manually energy storage axle (31), bevel pinion (32), bevel gear wheel (33), pinion shaft (41) (pinion), gear wheel (42) (ratchet), ratchet (34), main shaft (35), cam (36), connecting lever are formed; Its drive connection: stored energy operation handle → manual energy storage axle (31) → bevel pinion (32) → bevel gear wheel (33) → pinion shaft (41) (pinion) → gear wheel (42) (ratchet) → ratchet (34), main shaft (35), cam (36), connecting lever.
4. indoor high-voltage vacuum on-load switch according to claim 2-high-tension fuse combined electrical apparatus is characterized in that: described electric energy-stored device mainly by: motor output shaft, pinion shaft (41), gear wheel (42) (ratchet), ratchet (34), main shaft (35), cam (36), connecting lever are formed; Drive connection: electric energy-stored is that motor output shaft directly drives pinion shaft (41) rotation → gear wheel (42) (ratchet) → ratchet (34), main shaft (35), cam (36), connecting lever.
5. indoor high-voltage vacuum on-load switch according to claim 2-high-tension fuse combined electrical apparatus is characterized in that: described valve, isolation, ground connection link gear mainly include: curtain shaft (61), valve connecting lever (82), valve connecting rod (83), isolation axle (64), an operating axis (65), isolation connecting lever (86), spacer link (87), operating axis connecting lever (88), ground connection connecting rod (89), grounding shaft (610), ground connection connecting lever (811); Wherein: operating axis (65) links to each other with operating axis connecting lever (88), and operating axis connecting lever (88) links to each other with spacer link (87) and ground connection connecting rod (89) respectively; Isolate axle (64) and link to each other, isolate connecting lever (86) and link to each other with spacer link (87) and valve connecting rod (83) respectively with isolation connecting lever (86); Curtain shaft (61) links to each other with valve connecting lever (82), and valve connecting lever (82) links to each other with valve connecting rod (83); Grounding shaft (610) links to each other with ground connection connecting lever (811), and ground connection connecting lever (811) links to each other with ground connection connecting rod (89).
6. according to claim 2,5 described indoor high-voltage vacuum on-load switch-high-tension fuse combined electrical apparatuses, it is characterized in that: described circuit breaker kinematic link mechanism includes cam (51), roller connecting lever (52), output toggle arm (53), yielding rubber (54), connecting rod (55), connecting lever (56), pull bar (57), spring base (58), tripping spring (59); Wherein: cam (51) is located at roller connecting lever (52) top, output toggle arm (53) links to each other with roller connecting lever (52) and connecting rod (55) respectively, connecting lever (56) links to each other with connecting rod (55) and pull bar (57) respectively, connecting rod (55) one ends are provided with yielding rubber (54), and the other end is provided with spring base (58) and tripping spring (59).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910110939 CN101789327B (en) | 2009-01-22 | 2009-01-22 | Combined appliance of indoor high-voltage vacuum load switch and high-voltage fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910110939 CN101789327B (en) | 2009-01-22 | 2009-01-22 | Combined appliance of indoor high-voltage vacuum load switch and high-voltage fuse |
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| Publication Number | Publication Date |
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| CN101789327A true CN101789327A (en) | 2010-07-28 |
| CN101789327B CN101789327B (en) | 2013-04-24 |
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| CN 200910110939 Expired - Fee Related CN101789327B (en) | 2009-01-22 | 2009-01-22 | Combined appliance of indoor high-voltage vacuum load switch and high-voltage fuse |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102509678A (en) * | 2011-10-28 | 2012-06-20 | 郑州伏安国能电气技术有限公司 | Combined electrical apparatus of indoor high-pressure vacuum circuit breaker and isolation/ground switch |
| CN103474270A (en) * | 2013-08-29 | 2013-12-25 | 浙江博益电气有限公司 | Solid sealed type vacuum load switch |
| CN103489671A (en) * | 2013-10-08 | 2014-01-01 | 北京维益埃电气股份有限公司 | Spring mechanism |
| CN104319164A (en) * | 2014-11-05 | 2015-01-28 | 湖州电力设备成套有限公司 | Vacuum load switch |
| CN104409273A (en) * | 2014-10-29 | 2015-03-11 | 浙江道笃智能开关有限公司 | Polar column type high-voltage electric appliance combined switch |
| CN105390328A (en) * | 2015-12-14 | 2016-03-09 | 珠海康晋电气有限公司 | Pneumatic load switch |
| CN109119284A (en) * | 2018-08-30 | 2019-01-01 | 许昌合泰机械设备有限公司 | On-pole switch breaker and isolation knife integral type dependent power operating mechanism |
| CN115472461A (en) * | 2022-11-10 | 2022-12-13 | 江苏苏中开关厂有限公司 | High-breaking load switch |
| CN116504575A (en) * | 2023-06-26 | 2023-07-28 | 福建美科信新材料科技有限公司 | Outdoor intelligent switch with multiple sequential conduction isolating switches |
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| CN2924764Y (en) * | 2006-07-03 | 2007-07-18 | 福建东方电器有限公司 | Vacuum circuit breaker with direct-acting isolating switch |
| JP5032217B2 (en) * | 2007-06-22 | 2012-09-26 | 株式会社東芝 | Vacuum circuit breaker |
| CN201057622Y (en) * | 2007-08-10 | 2008-05-07 | 湖南天鹰高压开关电器有限公司 | Isolating/grounding switch of totally enclosed combined electrical apparatus |
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2009
- 2009-01-22 CN CN 200910110939 patent/CN101789327B/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509678A (en) * | 2011-10-28 | 2012-06-20 | 郑州伏安国能电气技术有限公司 | Combined electrical apparatus of indoor high-pressure vacuum circuit breaker and isolation/ground switch |
| CN102509678B (en) * | 2011-10-28 | 2013-10-02 | 郑州伏安国能电气技术有限公司 | Combined electrical apparatus of indoor high-pressure vacuum circuit breaker and isolation/ground switch |
| CN103474270A (en) * | 2013-08-29 | 2013-12-25 | 浙江博益电气有限公司 | Solid sealed type vacuum load switch |
| CN103489671B (en) * | 2013-10-08 | 2015-08-05 | 北京维益埃电气股份有限公司 | A kind of spring mechanism |
| CN103489671A (en) * | 2013-10-08 | 2014-01-01 | 北京维益埃电气股份有限公司 | Spring mechanism |
| CN104409273A (en) * | 2014-10-29 | 2015-03-11 | 浙江道笃智能开关有限公司 | Polar column type high-voltage electric appliance combined switch |
| CN104409273B (en) * | 2014-10-29 | 2016-07-06 | 浙江道笃智能开关有限公司 | Pole type High-Voltage Electrical Appliances cubicle switch |
| CN104319164A (en) * | 2014-11-05 | 2015-01-28 | 湖州电力设备成套有限公司 | Vacuum load switch |
| CN104319164B (en) * | 2014-11-05 | 2016-07-13 | 湖州电力设备成套有限公司 | A kind of vacuum load switch |
| CN105390328A (en) * | 2015-12-14 | 2016-03-09 | 珠海康晋电气有限公司 | Pneumatic load switch |
| CN109119284A (en) * | 2018-08-30 | 2019-01-01 | 许昌合泰机械设备有限公司 | On-pole switch breaker and isolation knife integral type dependent power operating mechanism |
| CN109119284B (en) * | 2018-08-30 | 2024-02-13 | 许昌合泰机械设备有限公司 | Column switch breaker and integrated power operating mechanism for isolating knife |
| CN115472461A (en) * | 2022-11-10 | 2022-12-13 | 江苏苏中开关厂有限公司 | High-breaking load switch |
| CN116504575A (en) * | 2023-06-26 | 2023-07-28 | 福建美科信新材料科技有限公司 | Outdoor intelligent switch with multiple sequential conduction isolating switches |
| CN116504575B (en) * | 2023-06-26 | 2023-09-15 | 福建美科信新材料科技有限公司 | Outdoor intelligent switch with multiple sequential conduction isolating switches |
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| CN101789327B (en) | 2013-04-24 |
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