CN103474270B - A kind of Solid-sealing vacuum load switch - Google Patents
A kind of Solid-sealing vacuum load switch Download PDFInfo
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- CN103474270B CN103474270B CN201310386822.3A CN201310386822A CN103474270B CN 103474270 B CN103474270 B CN 103474270B CN 201310386822 A CN201310386822 A CN 201310386822A CN 103474270 B CN103474270 B CN 103474270B
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- vacuum
- load switch
- lockmaking
- pole
- connecting lever
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Abstract
The present invention relates to a kind of Solid-sealing vacuum load switch, including frame, pole and spring operating mechanism, pole includes isolating axle, vacuum interrupter, insulation shell, inlet wire plate, outlet board, insulated tension pole and driving connecting lever, vacuum interrupter sealing is in insulation shell, one end of insulated tension pole is connected with the conducting rod at movable end of vacuum arc extinguishing chamber, the other end of insulated tension pole is connected with the one end for driving connecting lever, the other end of connecting lever is driven to be connected with spring operating mechanism, isolation knife and fuse are included also, isolation knife is sheathed on isolation axle, one end of isolation knife is flexibly connected with the static side of vacuum interrupter, fuse is connected between the moved end of vacuum interrupter and outlet board；The invention reside in：Setting isolation knife is shut in vacuum load switch, security performance is increased, vacuum load switch can be cut off, and fuse is set, vacuum load switch plays the function of breaker, improves the use range of on-load switch.
Description
Technical field
The present invention relates to electric field, particularly relates to a kind of Solid-sealing vacuum load switch.
Background technology
With China's rapid development of economy, power load constantly increases, ever-increasing simultaneously in power load, to supplying
The requirement of electric reliability also more and more higher, high performance SF6, vacuum switch ring network cabinet have become irreplaceable in distribution system
The controller switching equipment of one of visual plant, particularly expandable type, it has also become leading equipment.Patent No. CN201010196486.2
Disclose a kind of embedded pole type vacuum load switch, including pole body and spring operating mechanism；Pole body includes vacuum
Arc-chutes, insulation shell, upper wire outlet seat, lower wire outlet seat, insulated tension pole and connecting lever；Vacuum interrupter sealing in insulation shell,
In the embedded insulation shell of upper wire outlet seat, upper wire outlet seat upper end is provided with disconnecting switch axle bed, the lower end of upper wire outlet seat and vacuum extinction
The static side connection of room；Conductive clip is installed on the conducting rod of movable end of vacuum arc extinguishing chamber, upper end and conductive clip that copper conduction band is flexible coupling
Connect in insulation shell, the lower end that copper conduction band is flexible coupling is connected with lower wire outlet seat；Vacuum interrupter operating mechanism includes insulation
Pull bar and connecting lever；The right-hand member of insulated tension pole is connected with conducting rod, and the left end of insulated tension pole is hinged with the right-hand member of connecting lever, a left side for connecting lever
End is connected with spring operating mechanism；After spring operating mechanism is assembled, spring operating mechanism is connected with installing plate and connecting lever.Should
The embedded pole type vacuum load switch of structure is not provided with disconnecting switch, there is potential safety hazard in use, and goes out by
Line seat is embodied directly on insulation shell, processes loaded down with trivial details, and topology layout is unreasonable, and the vacuum load switch is shut and is not equipped with fusing
Device, in use, does not reach the function of breaker, greatly limit the use range of vacuum load switch, and inconvenience is promoted.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of topology layout is reasonable and easy to spread
Solid-sealing vacuum load switch.
The technical scheme is that what is be achieved in that：A kind of Solid-sealing vacuum load switch, including frame, pole and bullet
Spring operating mechanism, described pole and spring operating mechanism are arranged in frame, and described pole includes isolating axle, vacuum extinction
Room, insulation shell, inlet wire plate, outlet board, insulated tension pole and driving connecting lever, the outlet board are arranged in frame, the vacuum extinction
In insulation shell, one end of the insulated tension pole is connected room sealing with the conducting rod at movable end of vacuum arc extinguishing chamber, insulated tension pole
The other end is connected with the one end for driving connecting lever, and drives the other end of connecting lever to be connected with spring operating mechanism, also includes isolation
Knife, described isolation knife are sheathed on isolation axle, and one end of isolation knife is flexibly connected with the static side of vacuum interrupter, described
Fuse is connected between the moved end of vacuum interrupter and outlet board.
By adopting above-mentioned technical proposal, setting isolation knife is shut in vacuum load switch, considerably increase security performance,
During maintenance, vacuum load switch can be cut off, and the defencive function that vacuum load switch can be played fuse breaker is set,
Substantially increase the use range of on-load switch, it is easy to promote.
The present invention is further arranged to：There are upper fuse clips the moved end of described vacuum interrupter by being flexible coupling, should
Upper fuse clips are passed, and are additionally provided with lower fuse clips on described outlet board, described fuse
Two ends are connected with upper fuse clips and lower fuse clips respectively, and the static side of described vacuum interrupter passes through static contact seat and isolation knife
Connection, is arranged on the embedded insulation shell of static contact seat.
By adopting above-mentioned technical proposal, by the static side of vacuum interrupter, moved end and the main conductive circuit sealing such as be flexible coupling
In insulation shell, it is to avoid impact of the severe running environment to main conductive circuit external insulation, adaptation is substantially increased severe
The ability of environment, realizes non-maintaining requirement, and the structural volume is little, meets the requirement of power distribution cabinet miniaturization.
The present invention is further arranged to：The earthed switch for also including grounding shaft and being fixedly connected with grounding shaft, ground connection
Switch is arranged on outlet board, and grounding shaft is connected with spring operating mechanism.
By adopting above-mentioned technical proposal, earthed switch is arranged on outlet board, realizes disconnecting switch and open with ground connection
The integrated setting of pass, substantially reduces the size in space, further meets the requirement of power distribution cabinet miniaturization.
The present invention is further arranged to：Connected by adjusting rod between described insulated tension pole and driving connecting lever.
By adopting above-mentioned technical proposal, buffering is played a part of with the junction for driving connecting lever to insulated tension pole, effectively
Protect insulated tension pole and drive the service life of connecting lever junction, and the adjusting rod for arranging effectively plays adjustment effect.
The present invention is further arranged to：Motor drive mechanism is included also, described spring operating mechanism includes main shaft and biography
Motivation structure, the transmission mechanism connect driving connecting lever and main shaft respectively, and the motor drive mechanism is connected with transmission mechanism.
By adopting above-mentioned technical proposal, motor drive mechanism and transmission mechanism are realized into interlocking, remote control is realized, is met
User's request.
The present invention is further arranged to：Mutual interlocking gear is included also, the mutual interlocking gear includes drive link and lockmaking bar, institute
The two ends of the drive link stated are connected with axle and grounding shaft isolate by connector respectively, and the two ends of lockmaking bar are connected to turn
Wheel, and the first lockmaking cam on grounding shaft, is connected with, the second lockmaking cam is connected with main shaft, positioned at the runner at lockmaking bar two ends
It is connected with the first lockmaking cam and the second lockmaking cam respectively.
By adopting above-mentioned technical proposal, interlocking is set between disconnecting switch, earthed switch and on-load switch, is carried significantly
High security performance, makes each switch in use, makes that each switch is ruly to be carried out, after making on-load switch separating brake, every
Leave pass and earthed switch could be operated, or, disconnecting switch is closed a floodgate after (grounding switch tripping), and on-load switch could be operated.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is specific embodiment of the invention structural representation；
Fig. 2 is specific embodiment of the invention partial sectional view；
Fig. 3 is specific embodiment of the invention structural side view.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in Fig. 1-Fig. 3, the invention discloses a kind of Solid-sealing vacuum load switch, including frame 1, pole and bullet
Spring operating mechanism, described pole and spring operating mechanism are arranged in frame 1, and described pole includes that isolating axle 7, vacuum goes out
Arc chamber 9, insulation shell 2, inlet wire plate 6, outlet board 8, insulated tension pole 11 and driving connecting lever 13, the outlet board are arranged in frame,
Conducting rod 91 of 9 sealing of vacuum interrupter in insulation shell 2, at one end of the insulated tension pole 11 and movable end of vacuum arc extinguishing chamber
Connection, the other end of insulated tension pole 11 are connected with the one end for driving connecting lever 13, and drive the other end of connecting lever 13 and spring to operate
Mechanism connects, and in the specific embodiment of the invention, also includes isolation knife 12, and described isolation knife 12 is sheathed on isolation axle 7,
And one end of isolation knife 12 is flexibly connected with the static side of vacuum interrupter 9, the isolation knife 7 can follow isolation 7 rotating shaft of axle, and inlet wire
Plate 6 is located in the rotating path of isolation knife 12, is connected with fuse between the moved end of described vacuum interrupter 9 and outlet board 8
3, setting isolation knife is shut in vacuum load switch, considerably increase security performance, in maintenance, can be deeply concerned by vacuum load switch
It is disconnected, and the defencive function that vacuum load switch can be played fuse breaker is set, substantially increase the use of on-load switch
Scope, it is easy to promote.
As shown in Fig. 2 in the specific embodiment of the invention, the moved end of described vacuum interrupter 9 is by 10 companies that are flexible coupling
Fuse clips are connected to, and fuse clips pass 2 outer setting of insulation shell on this, lower fusing are additionally provided with described outlet board 8
Device is pressed from both sides, and the two ends of described fuse 3 are connected with upper fuse clips and lower fuse clips respectively, described vacuum interrupter 9
Static side is connected with isolation knife 12 by static contact seat 20, and static contact seat 20 is embedded on insulation shell 2 and arranges, by the quiet of vacuum interrupter 9
End, moved end and it is flexible coupling the main conductive circuit sealings such as 10 in insulation shell, it is to avoid severe running environment is returned to leading electricity
The impact of road external insulation, substantially increases the ability for adapting to adverse circumstances, realizes non-maintaining requirement, and the structural volume is little,
Meet the requirement of power distribution cabinet miniaturization.
In the specific embodiment of the invention, the earthed switch for also including grounding shaft 14 and being fixedly connected with grounding shaft 14
21, earthed switch 21 is arranged on outlet board 8, and grounding shaft 14 is connected with spring operating mechanism, and earthed switch is arranged at out
The integrated setting of disconnecting switch and earthed switch on line plate, is realized, the size in space is substantially reduced, is further met and is matched somebody with somebody
The requirement of electric cabinet miniaturization.
In the specific embodiment of the invention, in connection procedure of the insulated tension pole 11 with driving connecting lever 13, by adjusting rod
22 connect insulated tension pole 11 respectively and drive connecting lever 13, play the work of buffering to insulated tension pole 11 and the junction for driving connecting lever 13
With being effectively protected insulated tension pole and drive the service life of connecting lever junction, and the adjusting rod for arranging effectively plays tune
Section is acted on.
In the specific embodiment of the invention, motor drive mechanism is also included, described spring operating mechanism includes main shaft 4 and passes
Motivation structure 5, the transmission mechanism 5 connect driving connecting lever 13 and main shaft 4, the motor drive mechanism and driver respectively, and 5 are connected, will
Motor drive mechanism and transmission mechanism realize interlocking, realize remote control, meet user's request.
As shown in figure 3, in the specific embodiment of the invention, also including mutual interlocking gear, the mutual interlocking gear includes drive link
15 and lockmaking bar 16, the two ends of described drive link 15 respectively by connector with isolate axle 7 and grounding shaft 14 connects, and lockmaking
The two ends of bar 16 are connected on runner 17, and grounding shaft 7 and are connected with the first lockmaking cam 19, are connected with second on main shaft 4
Lockmaking cam 18, the runner 17 positioned at 16 two ends of lockmaking bar are connected 18 with the first lockmaking cam 19 and the second lockmaking cam respectively,
Pit is provided with first lockmaking cam, 19 surface, leaf is provided with pit on 18 surface of the second lockmaking cam, when close first
When the runner 17 of lockmaking cam is absorbed in pit, then near the second lockmaking cam runner 17 and the second lockmaking cam 18 surface
Contact, is not located in pit, and vice versa.Interlocking is set between disconnecting switch, earthed switch and on-load switch, is greatly improved
Security performance, makes each switch in use, makes that each switch is ruly to be carried out, after making on-load switch separating brake, isolation
Switch and earthed switch could be operated, or, disconnecting switch is closed a floodgate after (grounding switch tripping), and on-load switch could be operated.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (4)
1. a kind of Solid-sealing vacuum load switch, including frame, pole and spring operating mechanism, described pole and spring operation
Mechanism is arranged in frame, and described pole includes isolating axle, vacuum interrupter, insulation shell, inlet wire plate, outlet board, insulation
Pull bar and drive connecting lever, the outlet board is arranged in frame, the vacuum interrupter sealing in insulation shell, the insulated tension pole
One end is connected with the conducting rod at movable end of vacuum arc extinguishing chamber, and the other end of insulated tension pole is connected with the one end for driving connecting lever, and is driven
The other end of dynamic connecting lever is connected with spring operating mechanism, it is characterised in that：Isolation knife is included also, described isolation knife is sheathed on
On isolation axle, and one end of isolation knife is flexibly connected with the static side of vacuum interrupter, the moved end of described vacuum interrupter with go out
Fuse is connected between line plate, the moved end of described vacuum interrupter there are upper fuse clips by being flexible coupling, fuse on this
Folder is passed, and lower fuse clips are additionally provided with described outlet board, and the two ends of described fuse are distinguished
It is connected with upper fuse clips and lower fuse clips, also includes motor drive mechanism, described spring operating mechanism includes main shaft and biography
Motivation structure, the transmission mechanism connect driving connecting lever and main shaft respectively, and the motor drive mechanism is connected with transmission mechanism, is also included
Mutual interlocking gear, the mutual interlocking gear include drive link and lockmaking bar, and the two ends of described drive link pass through connector and isolate respectively
Axle and grounding shaft connect, and the two ends of lockmaking bar are connected on runner, and grounding shaft and are connected with the first lockmaking cam, main shaft
On be connected with the second lockmaking cam, the runner positioned at lockmaking bar two ends is connected with the first lockmaking cam and the second lockmaking cam respectively
Connect, the earthed switch for also including grounding shaft and being fixedly connected with grounding shaft, earthed switch is arranged on outlet board, and grounding shaft
It is connected with spring operating mechanism.
2. Solid-sealing vacuum load switch according to claim 1, it is characterised in that：The static side of described vacuum interrupter
It is connected with isolation knife by static contact seat, is arranged on the embedded insulation shell of static contact seat.
3. Solid-sealing vacuum load switch according to claim 1, it is characterised in that：Described insulated tension pole is turned with driving
Connected by adjusting rod between arm.
4. Solid-sealing vacuum load switch according to claim 2, it is characterised in that：Described insulated tension pole is turned with driving
Connected by adjusting rod between arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310386822.3A CN103474270B (en) | 2013-08-29 | 2013-08-29 | A kind of Solid-sealing vacuum load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310386822.3A CN103474270B (en) | 2013-08-29 | 2013-08-29 | A kind of Solid-sealing vacuum load switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103474270A CN103474270A (en) | 2013-12-25 |
| CN103474270B true CN103474270B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310386822.3A Active CN103474270B (en) | 2013-08-29 | 2013-08-29 | A kind of Solid-sealing vacuum load switch |
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| CN (1) | CN103474270B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104377584B (en) * | 2014-11-21 | 2017-01-04 | 国家电网公司 | Solid insulation cubicle switch equipment |
| CN106920711B (en) * | 2015-12-28 | 2018-11-20 | 国家电网有限公司 | High voltage load switch-Combined switch of circuit breaker |
| CN109166746B (en) * | 2018-09-04 | 2020-07-14 | 珠海沃顿电气有限公司 | Breaking and closing method of isolation linkage vacuum load switch |
| CN109243883B (en) * | 2018-09-04 | 2020-08-25 | 珠海沃顿电气有限公司 | Vacuum load looped netowrk cabinet of isolation linkage |
| CN109244926A (en) * | 2018-09-28 | 2019-01-18 | 南京帝开电气自动化有限公司 | A kind of packet type switch electric appliance |
| CN111091998B (en) * | 2018-10-23 | 2022-06-28 | 福建工程学院 | Outdoor miniaturized high-voltage alternating-current isolation series linkage vacuum circuit breaker |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100527305C (en) * | 2007-01-08 | 2009-08-12 | 常州市德春电器有限公司 | Vacuum load switch |
| CN201112261Y (en) * | 2007-09-25 | 2008-09-10 | 乐清市川力电器厂 | High-voltage vacuum load switch |
| CN101789327B (en) * | 2009-01-22 | 2013-04-24 | 福建东方电器有限公司 | Combined appliance of indoor high-voltage vacuum load switch and high-voltage fuse |
| KR100940243B1 (en) * | 2009-02-12 | 2010-02-04 | (주)서전기전 | High voltage switchgear having compressed air puffer-type load break switch(lbs) with a housing |
| CN201904273U (en) * | 2010-09-25 | 2011-07-20 | 福建逢兴机电设备有限公司 | High-breaking vacuum load switch |
| CN201994230U (en) * | 2011-03-31 | 2011-09-28 | 厦门科力特电气有限公司 | Three-position isolating ground switch |
| CN202120815U (en) * | 2011-06-29 | 2012-01-18 | 珠海西辉电气科技有限公司 | Fuse electric appliance combination type vacuum load switch |
| CN203434031U (en) * | 2013-08-29 | 2014-02-12 | 浙江博益电气有限公司 | Fixedly-sealed vacuum load switch |
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2013
- 2013-08-29 CN CN201310386822.3A patent/CN103474270B/en active Active
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| CN103474270A (en) | 2013-12-25 |
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