CN202333550U - Preloaded type transformer substation - Google Patents
Preloaded type transformer substation Download PDFInfo
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- CN202333550U CN202333550U CN201120470434XU CN201120470434U CN202333550U CN 202333550 U CN202333550 U CN 202333550U CN 201120470434X U CN201120470434X U CN 201120470434XU CN 201120470434 U CN201120470434 U CN 201120470434U CN 202333550 U CN202333550 U CN 202333550U
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- tool rest
- insulation
- framework
- division board
- ground connection
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a preloaded type transformer substation, which comprises a box body, a high-voltage combined switch and a safety protection mechanism, wherein the box body is provided with a high-voltage chamber, the high-voltage combined switch is arranged in the high-voltage chamber and comprises a framework, an upper wiring switch seat and an insulation switch seat, the upper wiring switch seat and the isolation switch seat are arranged on the framework, the insulation switch seat is connected with or separated from the upper wiring switch seat, in addition, an insulation fracture opening is formed when the isolation switch seat is separated from the upper wiring switch seat, the safety protection mechanism comprises an insulation separation plate, a guide rail, a guide element, an auxiliary insulation separation plate and an operation mechanism, the insulation separation plate can enter the insulation fracture opening and can move out of the insulation fracture opening, the guide element is arranged on the insulation separation plate and can move along the guide rail, the operation mechanism is used for driving the insulation separation plate to move, one end of the auxiliary insulation separation plate is rotatablely arranged on the box body, and the other end of the auxiliary insulation separation plate is rotatablely connected with the insulation separation plate. The preloaded type transformer substation utilizes the insulation separation plate and the auxiliary insulation separation plate for separating the high-voltage chamber into a high-danger space and a safe space, the upper wiring switch seat is arranged in the high-danger space, and the safe space is far away from the upper wiring switch seat, so the safety of maintenance personnel can be effectively ensured.
Description
Technical field
The utility model belongs to the substation structure design field, is specifically related to a kind of preassembled transformer station.
Background technology
Preassembled transformer station 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.Preassembled transformer station 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.
The utility model content
The purpose of the utility model provides the indoor vacuum load switch fuse combined electric apparatus that a kind of structure is comparatively reasonable, occupation of land is less, switch off time is short.
The technical scheme that realizes the utility model purpose is: a kind of preassembled transformer station comprises the casing that is provided with the hyperbaric chamber and is arranged on the high pressure unit switch in the hyperbaric chamber; Said high pressure unit switch comprises 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 when separating with last wiring tool rest the formation isolation fracture; Its design feature is: also comprise security protection mechanism, guide, the supplementary insulation dividing plate that said security protection mechanism comprises insulation division board, the guide rail that can get into and shift out in the said isolation fracture, be arranged on the insulation division board and can move along guide rail and be used to drive the operating mechanism that the insulation division board moves; One end of said supplementary insulation dividing plate rotates and is arranged on the casing, and the other end is rotationally connected with the insulation division board.
In the technique scheme, said high pressure unit switch is arranged on a side in hyperbaric chamber, and said supplementary insulation dividing plate is arranged on the opposite side in hyperbaric chamber.
In the technique scheme, said supplementary insulation dividing plate be arranged on the insulation division board directly over.
In the technique scheme, after the insulation division board gets into isolation fracture, in being separated into the hyperbaric chamber, said insulation division board and supplementary insulation dividing plate establish the high-risk space of wiring tool rest and away from the safe space of last wiring tool rest.
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;
In the technique scheme, 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 the isolated insulation pull bar of isolating connecting lever and isolating tool rest, be arranged on grounding shaft on the framework, be arranged on ground connection connecting lever on the grounding shaft, be arranged on ground connection tool rest on the grounding shaft, be arranged on the ground connection transmission crank arm of isolating on the axle, is connected the ground connection connecting rod of ground connection connecting lever, ground connection transmission crank arm and is used for driving the vacuum interrupter moving contact and carry out the divide-shut brake insulated tension pole that divide-shut brake moves; 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 utlity model has positive effect: the setting in case becomes of (1) the utility model can get into and shift out the insulation division board in the said isolation fracture; 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; The utility model is through adding the supplementary insulation dividing plate in addition; 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 utility model is in;
A kind of structural representation when Fig. 2 is in separating brake for preassembled transformer station shown in Figure 1;
A kind of structural representation when Fig. 3 is in separating brake for second kind of structure of the utility model.
Reference numeral is: casing 1, hyperbaric chamber 2, high-risk space 21, safe space 22, high pressure unit switch 3, 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, supplementary insulation dividing plate 77.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 2 has shown first kind of embodiment of the utility model, a kind of structural representation when wherein Fig. 1 closes a floodgate for first kind of structure of the utility model is in; A kind of structural representation when Fig. 2 is in separating brake for preassembled transformer station shown in Figure 1.
Present embodiment is a kind of preassembled transformer station, sees Fig. 1 and Fig. 2, comprises the casing 1 that is provided with hyperbaric chamber 2, is arranged on the high pressure unit switch 3 in the hyperbaric chamber 2 and is arranged on the security protection mechanism 7 in the hyperbaric chamber 2.
Said high pressure unit switch 3 comprises framework 31; Operating mechanism 4; Be arranged on the last insulated leg 32 on the framework 31; Be arranged on the last wiring tool rest 33 on the insulated leg 32; Be arranged on the middle insulated leg 34 on the framework 31; Be arranged on the isolation tool rest 35 on the insulated leg 34; 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 the following insulated leg 37 on the framework 31; Be arranged on the vacuum interrupter 38 on insulated leg 34 and the following insulated leg 37; 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 casing 1, and the other end is rotationally connected with insulation division board 71.
In the present embodiment, said high pressure unit switch 3 is arranged on a side in hyperbaric chamber 2, and said supplementary insulation dividing plate 77 is arranged on the opposite side in hyperbaric chamber 2.
After insulation division board 71 gets into isolation fractures 6, in being separated into hyperbaric chamber 2 with supplementary insulation dividing plate 77, establishes said insulation division board 71 the high-risk space 21 of wiring tool rest 33 and away from the safe space 22 of last wiring tool rest 33.When needs close a floodgate, can be earlier from isolation fracture 6, shift out through operating mechanism 74 division board 71 that will insulate.
(embodiment 2)
Fig. 3 is a kind of structural representation of second kind of structure of the utility model when being in separating brake, has shown second kind of embodiment of the utility model.
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.
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 casing 1, 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 2 setting in case becomes can get into and shift out the insulation division board in the said isolation fracture; 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; In addition 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.
Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the execution mode of the utility model.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 conspicuous variation that these connotations that belong to the utility model are extended out or change still belong to the protection range of the utility model.
Claims (6)
1. a preassembled transformer station comprises the casing (1) that is provided with hyperbaric chamber (2) and is arranged on the high pressure unit switch (3) in the hyperbaric chamber (2); Said high pressure unit switch (3) comprises framework (31), is arranged on the last wiring tool rest (33) on the framework (31) and isolates 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 insulation division board (71), the guide rail (72) that can get into and shift out in the said isolation fracture (6), be arranged on that insulation division board (71) is gone up and guide (73), the supplementary insulation dividing plate (77) that can move along guide rail (72) and be used for driving the operating mechanism (74) that insulation division board (71) moves; One end of said supplementary insulation dividing plate (77) rotates and is arranged on the casing (1), and the other end is rotationally connected with insulation division board (71).
2. preassembled transformer station according to claim 1 is characterized in that: said high pressure unit switch (3) is arranged on a side in hyperbaric chamber (2), and said supplementary insulation dividing plate (77) is arranged on the opposite side of hyperbaric chamber (2).
3. preassembled transformer station according to claim 1 is characterized in that: said supplementary insulation dividing plate (77) be arranged on the insulation division board (71) directly over.
4. preassembled transformer station according to claim 1; It is characterized in that: after insulation division board (71) gets into isolation fracture (6), establish the high-risk space (21) of wiring tool rest (33) in said insulation division board (71) and supplementary insulation dividing plate (77) are separated into hyperbaric chamber (2) and away from the safe space (22) of last wiring tool rest (33).
5. preassembled transformer station 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.
6. preassembled transformer station 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 |
|---|---|---|---|
| CN201120470434XU CN202333550U (en) | 2011-11-23 | 2011-11-23 | Preloaded type transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120470434XU CN202333550U (en) | 2011-11-23 | 2011-11-23 | Preloaded type transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202333550U true CN202333550U (en) | 2012-07-11 |
Family
ID=46445517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120470434XU Expired - Fee Related CN202333550U (en) | 2011-11-23 | 2011-11-23 | Preloaded type transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202333550U (en) |
-
2011
- 2011-11-23 CN CN201120470434XU patent/CN202333550U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20191123 |