CN102436959A - Intrinsic safety high-voltage load switch - Google Patents
Intrinsic safety high-voltage load switch Download PDFInfo
- Publication number
- CN102436959A CN102436959A CN2011103762817A CN201110376281A CN102436959A CN 102436959 A CN102436959 A CN 102436959A CN 2011103762817 A CN2011103762817 A CN 2011103762817A CN 201110376281 A CN201110376281 A CN 201110376281A CN 102436959 A CN102436959 A CN 102436959A
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- tool rest
- framework
- division board
- isolation
- load switch
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Abstract
The invention discloses an intrinsic safety high-voltage load switch, which comprises a frame, an upper connecting blade holder, an isolation blade holder and a safety protection mechanism, wherein the upper connecting blade holder is arranged on the frame; the isolation blade holder is separated from and connected with the upper connecting blade holder and forms an isolation notch when being separated from the upper connecting blade holder; and the safety protection mechanism comprises an insulated isolation plate which can enter into or leave from the isolation notch. According to the intrinsic safety high-voltage load switch, after switching-off, the insulated isolation plate enters the isolation notch to effectively prevent the isolation blade holder to be closed on the corresponding connecting blade holder, and therefore a safety protection effect of preventing misoperation is achieved.
Description
Technical field
The invention belongs to the substation structure design field, be specifically related to a kind of essential safe type high voltage load switch.
Background technology
The essential safe type high voltage load switch is applicable to residential quarters, the public change in city, bustling downtown area, construction power supply etc., and the user can select box change according to different service conditions, load level.The essential safe type high voltage load switch has developed very rapidly since coming out, and has accounted for 70% of distribution transformer in European developed country, and the U.S. has accounted for 90%.The develop rapidly of Chinese city modernization construction, the continual renovation transformation of urban power distribution network will be widely used.
Case becomes the high-pressure side and adopts on-load switch to add the unit switch of current limiting fuse more; Elder generation's disjunction dynamic/static contact in vacuum interrupter breaks off isolating switch again during separating brake, and makes to isolate between tool rest and the corresponding wiring tool rest to have tangible isolation fracture; The isolating switch that closes earlier during combined floodgate, the dynamic/static contact in the closed again vacuum interrupter.This structure has following weak point: have tangible isolation fracture though isolate behind the separating brake between tool rest and the corresponding wiring tool rest; But still exist because misoperation causes isolating tool rest and is closed on the corresponding wiring tool rest; Cause serious electric power accident; This isolation fracture just plays tangible indicative function, can not be from obtaining fool proof security protection effect in essence.
Summary of the invention
The purpose of this invention is to provide a kind of essential safe type high voltage load switch that effectively prevents misoperation.
The technical scheme that realizes the object of the invention is: a kind of essential safe type high voltage load switch; Comprise framework, be arranged on the last wiring tool rest on the framework and isolate tool rest; Said isolation tool rest and last wiring tool rest mutually deciliter and form isolation fracture when separating with last wiring tool rest; Its design feature is also to comprise security protection mechanism, and said security protection mechanism comprises the insulation division board that can get into and shift out in the said isolation fracture.
The guide that in the technique scheme, said security protection mechanism also comprises guide rail, be arranged on the insulation division board and can move along guide rail, be used to drive the operating mechanism that the insulation division board moves.
In the technique scheme, said security protection mechanism comprises that also at least two location that are arranged in the framework collude, are arranged on keeper on the insulation division board, are used to drive the insulation division board and move and make said keeper be hooked on the operating mechanisms that collude different location.
In the technique scheme, said security protection mechanism also comprises the outstanding axle that is arranged on the insulation division board and is used to drive the operating mechanism that outstanding axle moves.
In the technique scheme, said security protection mechanism also comprises the supplementary insulation dividing plate, and an end of said supplementary insulation dividing plate rotates and is arranged on the framework, and the other end is rotationally connected with the insulation division board.
In the technique scheme, said supplementary insulation dividing plate be arranged on the insulation division board directly over.
In the technique scheme, said high pressure unit switch also comprises operating mechanism, be arranged on last insulated leg on the framework, be arranged on middle insulated leg on the framework, be arranged on the fuse of isolating on the tool rest, be arranged on the dropout transmission device of isolating the tool rest bottom, be arranged on following insulated leg on the framework, be arranged on down vacuum interrupter on the insulated leg, be arranged on down the following wiring tool rest on the insulated leg; The said wiring tool rest of going up is arranged on the insulated leg, and said isolation tool rest is arranged on the middle insulated leg; Said operating mechanism comprises the isolation axle that is arranged on the framework; Be arranged on the isolation connecting lever of isolating on the axle; Connect and isolate connecting lever and the isolated insulation pull bar of isolating tool rest; Be arranged on the grounding shaft on the framework; Be arranged on the ground connection connecting lever on the grounding shaft; Be arranged on the ground connection tool rest on the grounding shaft; Be arranged on the ground connection transmission crank arm of isolating on the axle; Connect the ground connection connecting lever; The ground connection connecting rod of ground connection transmission crank arm; Be used for driving the divide-shut brake insulated tension pole that the vacuum interrupter moving contact carries out the divide-shut brake action; Said ground connection tool rest and following wiring tool rest are mutually deciliter.
In the technique scheme, said dropout transmission device comprises the dropout insulated tension pole.
The present invention has positive effect: (1) the utility model is provided with the insulation division board that can get into and shift out in the said isolation fracture in cabinet; Behind the separating brake; This insulation division board enters into isolation fracture; Effectively prevent to isolate tool rest and close on the corresponding wiring tool rest, thereby have fool proof security protection effect.(2) the utility model is through adding the supplementary insulation dividing plate; After getting into isolation fracture, utilize said insulation division board and supplementary insulation dividing plate to establish the high-risk space of wiring tool rest in the hyperbaric chamber is separated into and away from the safe space of last wiring tool rest when the insulation division board; Personnel can enter into the safe space and carried out inspection operation this moment; Said insulation division board and supplementary insulation dividing plate are kept apart human body and last wiring tool rest fully; Make that the maintainer can be because of misoperation touch the wiring tool rest, thereby effectively guarantee maintainer's safety.
Description of drawings
A kind of structural representation when Fig. 1 closes a floodgate for first kind of structure of the present invention is in;
A kind of structural representation when Fig. 2 is in separating brake for essential safe type high voltage load switch shown in Figure 1;
A kind of structural representation when Fig. 3 is in separating brake for second kind of structure of the present invention;
A kind of structural representation when Fig. 4 is in separating brake for the third structure of the present invention;
A kind of structural representation when Fig. 5 is in separating brake for the 4th kind of structure of the present invention.
Reference numeral is: high pressure unit switch 3, and framework 31, last insulated leg 32, last wiring tool rest 33, middle insulated leg 34 is isolated tool rest 35, fuse 36; Following insulated leg 37, vacuum interrupter 38, following wiring tool rest 39, operating mechanism 4 is isolated axle 41, isolated insulation pull bar 43; Grounding shaft 44, ground connection connecting lever 45, ground connection tool rest 46, ground connection transmission crank arm 47, ground connection connecting rod 48, divide-shut brake insulated tension pole 49; Dropout transmission device 5, dropout insulated tension pole 51, isolation fracture 6, security protection mechanism 7, insulation division board 71, guide rail 72; Guide 73, operating mechanism 74, the location colludes 75, keeper 76, supplementary insulation dividing plate 77, outstanding axle 78.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 2 has shown first kind of embodiment of the present invention, a kind of structural representation when wherein Fig. 1 closes a floodgate for first kind of structure of the present invention is in; A kind of structural representation when Fig. 2 is in separating brake for essential safe type high voltage load switch shown in Figure 1.
Present embodiment is a kind of essential safe type high voltage load switch; See Fig. 1 and Fig. 2, comprise framework 31, operating mechanism 4, be arranged on last insulated leg 32 on the framework 31, be arranged on last wiring tool rest 33 on the insulated leg 32, be arranged on middle insulated leg 34 on the framework 31, be arranged on the insulated leg 34 isolation tool rest 35, be arranged on the fuse 36 of isolating on the tool rest 35, be arranged on the dropout transmission device 5 of isolating tool rest 35 bottoms, be arranged on following insulated leg 37 on the framework 31, be arranged on insulated leg 34 and the following insulated leg 37 vacuum interrupter 38, be arranged on down the following wiring tool rest 39 on the insulated leg 37; Said isolation tool rest 35 and last wiring tool rest 33 mutually deciliter and form isolation fracture 6 when opening in 33 minutes with last wiring tool rest.
Said operating mechanism 4 comprises the isolation axle 41 that is arranged on the framework 31; Be arranged on the isolation connecting lever of isolating on the axle 41; Connect and isolate connecting lever and the isolated insulation pull bar 43 of isolating tool rest 35; Be arranged on the grounding shaft 44 on the framework 31; Be arranged on the ground connection connecting lever 45 on the grounding shaft 44; Be arranged on the ground connection tool rest 46 on the grounding shaft 44; Be arranged on the ground connection transmission crank arm 47 of isolating on the axle 41; Connect ground connection connecting lever 45; The ground connection connecting rod 48 of ground connection transmission crank arm 47; Be used for driving the divide-shut brake insulated tension pole 49 that vacuum interrupter 38 moving contacts carry out the divide-shut brake action; Said ground connection tool rest 46 and following wiring tool rest 39 are mutually deciliter.
Said dropout transmission device 5 comprises dropout insulated tension pole 51.
The guide 73 that said security protection mechanism 7 comprises insulation division board 71, the guide rail 72 that can get into and shift out in the said isolation fracture 6, be arranged on the insulation division board 71 and can move along guide rail 72, be used to drive operating mechanism 74 and the supplementary insulation dividing plate 77 that insulation division board 71 moves.
In the present embodiment, said guide rail 72 is provided with guide chute, and said guide 73 is arranged on the bearing pin of insulation division board 71 two side ends, and said bearing pin can slide in guide chute or roll, thereby to the mobile position-limiting action that plays of the division board 71 that insulate.
In addition, the operating mechanism 74 in the present embodiment can be independent manual type operating mechanism, also can be to form the coordinated type operating mechanism through operating mechanism in linkage and the combined electrical apparatus.
One end of said supplementary insulation dividing plate 77 rotates and is arranged on the framework 31, and the other end is rotationally connected with insulation division board 71.
(embodiment 2)
A kind of structural representation when Fig. 3 is in separating brake for second kind of structure of the present invention has shown second kind of embodiment of the present invention.
Present embodiment and embodiment 1 are basic identical, and difference is: see shown in Figure 3, in the present embodiment, said supplementary insulation dividing plate 77 be arranged on the insulation division board 71 directly over.
(embodiment 3)
A kind of structural representation when Fig. 4 is in separating brake for the third structure of the present invention has shown the third embodiment of the present invention.
Present embodiment and embodiment 1 are basic identical; Difference is: see shown in Figure 4; Said security protection mechanism 7 no longer is provided with supplementary insulation dividing plate 77, guide rail 72 and guide 73, but includes only insulation division board 71, is fixed on the outstanding axle 78 on the insulation division board 71 and is used to drive the operating mechanism 74 that outstanding axle 78 moves.In the present embodiment, the change in location of said insulation division board 71 is to realize through the position that changes outstanding axle 78.
(embodiment 4)
A kind of structural representation when Fig. 5 is in separating brake for the 4th kind of structure of the present invention has shown the 4th kind of embodiment of the present invention.
Present embodiment and embodiment 1 are basic identical; Difference is: said security protection mechanism 7 no longer is provided with guide rail 72 and guide 73; Collude 75 but two location are set in framework 31, on insulation division board 71, be provided for hanging over said location and collude the keeper 76 in 75; Said operating mechanism 74 is used for driving insulation division board 71 and moves and make said keeper 76 be hooked on different location and collude 75, thereby changes the position of insulation division board 71.
The foregoing description 1 to embodiment 4 is through getting into and shift out the insulation division board 71 in the said isolation fracture 6 in setting; Behind the separating brake; This insulation division board enters into isolation fracture, effectively prevents to isolate tool rest and closes on the corresponding wiring tool rest, thereby have fool proof security protection effect.
Obviously, the above embodiment of the present invention only be for clearly the present invention is described and is done for example, and be not to be qualification to execution mode of the present invention.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (8)
1. essential safe type high voltage load switch; Comprise framework (31), be arranged on the last wiring tool rest (33) on the framework (31) and isolate tool rest (35); Said isolation tool rest (35) and last wiring tool rest (33) mutually deciliter and are forming isolation fracture (6) with last wiring tool rest (33) when separating;
It is characterized in that: also comprise security protection mechanism (7), said security protection mechanism (7) comprises the insulation division board (71) that can get into and shift out in the said isolation fracture (6).
2. essential safe type high voltage load switch according to claim 1 is characterized in that: said security protection mechanism (7) also comprises guide rail (72), be arranged on that insulation division board (71) is gone up and the guide (73) that can move along guide rail (72), be used for driving the operating mechanism (74) that insulation division board (71) moves.
3. essential safe type high voltage load switch according to claim 1 is characterized in that: said security protection mechanism (7) comprises that also at least two location that are arranged in the framework (31) collude (75), are arranged on keeper (76) in insulation division board (71), are used for driving insulation division board (71) and move and make said keeper (76) be hooked on different location and collude the operating mechanism (74) on (75).
4. essential safe type high voltage load switch according to claim 1 is characterized in that: said security protection mechanism (7) also comprises the outstanding axle (78) that is arranged in insulation division board (71) and is used to drive the mobile operating mechanism (74) of outstanding axle (78).
5. according to the described essential safe type high voltage load switch of one of claim 2 to 4; It is characterized in that: said security protection mechanism (7) also comprises supplementary insulation dividing plate (77); One end of said supplementary insulation dividing plate (77) rotates and is arranged on the framework (31), and the other end is rotationally connected with insulation division board (71).
6. essential safe type high voltage load switch according to claim 5 is characterized in that: said supplementary insulation dividing plate (77) be arranged on the insulation division board (71) directly over.
7. essential safe type high voltage load switch according to claim 1 is characterized in that: said high pressure unit switch (3) also comprises operating mechanism (4), be arranged on last insulated leg (32) on the framework (31), be arranged on middle insulated leg (34) on the framework (31), be arranged on the fuse (36) of isolating on the tool rest (35), be arranged on the dropout transmission device (5) of isolating tool rest (35) bottom, be arranged on following insulated leg (37) on the framework (31), be arranged on down vacuum interrupter (38) on the insulated leg (37), be arranged on down the following wiring tool rest (39) on the insulated leg (37); The said wiring tool rest (33) of going up is arranged on the insulated leg (32), and said isolation tool rest (35) is arranged on the middle insulated leg (34);
Said operating mechanism (4) comprises the isolation axle (41) that is arranged on the framework (31); Be arranged on the isolation connecting lever of isolating on the axle (41); Connect and isolate connecting lever and the isolated insulation pull bar (43) of isolating tool rest (35); Be arranged on the grounding shaft (44) on the framework (31); Be arranged on the ground connection connecting lever (45) on the grounding shaft (44); Be arranged on the ground connection tool rest (46) on the grounding shaft (44); Be arranged on the ground connection transmission crank arm (47) of isolating on the axle (41); Connect ground connection connecting lever (45); The ground connection connecting rod (48) of ground connection transmission crank arm (47); Be used for driving the divide-shut brake insulated tension pole (49) that vacuum interrupter (38) moving contact carries out the divide-shut brake action; Said ground connection tool rest (46) and following wiring tool rest (39) are mutually deciliter.
8. essential safe type high voltage load switch according to claim 1 is characterized in that: said dropout transmission device (5) comprises dropout insulated tension pole (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103762817A CN102436959A (en) | 2011-11-23 | 2011-11-23 | Intrinsic safety high-voltage load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103762817A CN102436959A (en) | 2011-11-23 | 2011-11-23 | Intrinsic safety high-voltage load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102436959A true CN102436959A (en) | 2012-05-02 |
Family
ID=45984959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103762817A Pending CN102436959A (en) | 2011-11-23 | 2011-11-23 | Intrinsic safety high-voltage load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102436959A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2334229Y (en) * | 1998-03-31 | 1999-08-25 | 乔工科技股份有限公司 | Controller for telescopic rod of trunk |
| CN2574207Y (en) * | 2002-09-27 | 2003-09-17 | 周友东 | Outdoor combined load isolation switch |
| US20050127040A1 (en) * | 2003-12-12 | 2005-06-16 | Franklin David A. | Interrupting apparatus having operations counter and methods of forming and using same |
| CN2929950Y (en) * | 2006-07-27 | 2007-08-01 | 温州市自豪特种机电有限公司 | Fall-down type fuse of radio remote control with lock device |
| CN101409174A (en) * | 2008-11-25 | 2009-04-15 | 正泰电气股份有限公司 | Isolation interlocking apparatus for complete equipment of 40.5kV vacuum composite apparatus |
| CN201274253Y (en) * | 2008-08-29 | 2009-07-15 | 阮晖 | Indoor combined electric appliance for 40.5 kV vacuum load switch fuse |
| CN201392992Y (en) * | 2009-04-22 | 2010-01-27 | 宁波天安（集团）股份有限公司 | Combined electric appliance of vacuum load isolating switch and fuse |
| CN202332688U (en) * | 2011-11-23 | 2012-07-11 | 东盟电气集团有限公司 | Intrinsic safety high voltage load switch |
-
2011
- 2011-11-23 CN CN2011103762817A patent/CN102436959A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2334229Y (en) * | 1998-03-31 | 1999-08-25 | 乔工科技股份有限公司 | Controller for telescopic rod of trunk |
| CN2574207Y (en) * | 2002-09-27 | 2003-09-17 | 周友东 | Outdoor combined load isolation switch |
| US20050127040A1 (en) * | 2003-12-12 | 2005-06-16 | Franklin David A. | Interrupting apparatus having operations counter and methods of forming and using same |
| CN2929950Y (en) * | 2006-07-27 | 2007-08-01 | 温州市自豪特种机电有限公司 | Fall-down type fuse of radio remote control with lock device |
| CN201274253Y (en) * | 2008-08-29 | 2009-07-15 | 阮晖 | Indoor combined electric appliance for 40.5 kV vacuum load switch fuse |
| CN101409174A (en) * | 2008-11-25 | 2009-04-15 | 正泰电气股份有限公司 | Isolation interlocking apparatus for complete equipment of 40.5kV vacuum composite apparatus |
| CN201392992Y (en) * | 2009-04-22 | 2010-01-27 | 宁波天安（集团）股份有限公司 | Combined electric appliance of vacuum load isolating switch and fuse |
| CN202332688U (en) * | 2011-11-23 | 2012-07-11 | 东盟电气集团有限公司 | Intrinsic safety high voltage load switch |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120502 |