CN211879293U - Isolation integrated switch of air insulation circuit breaker - Google Patents
Isolation integrated switch of air insulation circuit breaker Download PDFInfo
- Publication number
- CN211879293U CN211879293U CN202020889927.6U CN202020889927U CN211879293U CN 211879293 U CN211879293 U CN 211879293U CN 202020889927 U CN202020889927 U CN 202020889927U CN 211879293 U CN211879293 U CN 211879293U
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- Prior art keywords
- switch
- isolation
- pull rod
- buffer
- vacuum
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- 238000002955 isolation Methods 0.000 title claims abstract description 38
- 238000009413 insulation Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000004809 Teflon Substances 0.000 claims 1
- 229920006362 Teflon® Polymers 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000819 phase cycle Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model provides an air insulated switchgear isolation integral type switch belongs to circuit breaker isolator technical field. The utility model comprises an insulating fixed supporting plate, three vacuum arc extinguish chambers are arranged in the middle of the insulating fixed supporting plate side by side, a bus wiring terminal is arranged on a movable conducting rod of the vacuum arc extinguish chamber, the movable conducting rod is connected with a vacuum tube pull rod through a butterfly-shaped buffer component, the vacuum tube pull rod is connected with a transmission shaft of a circuit breaker switch for driving the vacuum tube pull rod to act, the lower part of the insulating fixed supporting plate is provided with three isolating switches corresponding to the vacuum arc-extinguishing chambers side by side, the utility model has simple structure, realizes that air is used as a bonding medium, the vacuum arc-extinguishing technology is adopted for arc extinguishing, the insulation and arc extinguishing by special gas are replaced, the switch is not required to be arranged in a sealed environment, the maintenance is convenient, and the butterfly buffer assembly is arranged, so that the buffer effect can be realized when the contacts of the vacuum arc extinguish chamber are combined, and the vacuum arc extinguish chamber can be well protected.
Description
Technical Field
The utility model belongs to the technical field of circuit breaker isolator, concretely relates to air insulated circuit breaker isolation integral type switch.
Background
In order to meet the requirements, various switch cabinets are continuously emerged. And the significant technical breakthrough is mainly derived from the application of SF6 gas insulation technology to electrical equipment more than twenty years ago. The SF6 has excellent insulating property and cooling arc characteristic, greatly reduces the size of electrical equipment in the application of the electrical equipment, and improves the reliability of equipment insulation, so the SF6 insulated switch cabinet is widely applied to the electric power market. Although SF6 gas insulated switchgear has many excellent properties, since SF6 gas is identified as a greenhouse gas, SF6 is decomposed to form toxic sulfur subfluorides during arc discharge, and third its sealed gas tank is operated under pressure, sealing requirements are high, processing is difficult, accidents are easily caused once leakage occurs, and some circuit breakers using vacuum interrupters lack a protection device and are easily damaged.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned problem comprehensively, especially to the not enough that prior art exists, the utility model provides an air insulated switchgear keeps apart integral type switch.
The utility model adopts the following technical means: an air insulation circuit breaker isolation integrated switch comprises an insulation fixed supporting plate, wherein three vacuum arc extinguish chambers are arranged in the middle of the insulation fixed supporting plate side by side, a bus wiring end is arranged on a movable conducting rod of each vacuum arc extinguish chamber, the movable conducting rod is connected with a vacuum tube pull rod used for operating the contact combination or disconnection of each vacuum arc extinguish chamber through a butterfly-shaped buffer assembly capable of playing a buffer role, the vacuum tube pull rod is connected with a circuit breaker transmission shaft used for driving the vacuum arc extinguish chambers to move, three isolation switches corresponding to the vacuum arc extinguish chambers are arranged in the lower portion of the insulation fixed supporting plate side by side, each isolation switch comprises an isolation knife switch contact connected with a wire inlet column at the lower end of each vacuum arc extinguish chamber, an isolation knife switch corresponding to the isolation knife switch contact and an isolation switch transmission shaft used for driving the isolation knife switch to move, and a bus traveling, and the bottom of the insulating fixed supporting plate is provided with an isolating switch grounding contact and a switch outgoing line contact seat which correspond to the bus carrying column.
The isolating switch grounding contact is installed on the insulating fixed supporting plate, the upper end of the bus travelling column penetrates through a through hole in the middle of the isolating switch grounding contact to be hinged to the bottom of the isolating disconnecting link contact, and the switch outgoing line contact seat is sleeved at the upper end of the bus travelling column and used for connecting the bus travelling column and the isolating switch grounding contact.
The butterfly buffer assembly comprises a buffer shell, the lower portion of the vacuum tube pull rod and the upper portion of the movable conductive rod stretch into the buffer shell, the upper end portion of the movable conductive rod is provided with a piston groove, the lower portion of the vacuum tube pull rod is provided with a piston portion corresponding to the piston groove, a protruding block is formed at the end portion of the piston portion, a baffle plate corresponding to the piston portion and used for blocking the protruding block is formed at the end portion of the piston groove, a buffer spring sleeved outside the vacuum tube pull rod is arranged on the upper portion of the baffle plate, the buffer shell is fixed with the vacuum tube pull rod, a containing groove corresponding to the buffer spring and the movable conductive rod is formed in the buffer shell, and the buffer shell and the vacuum tube pull rod can move up and down along the movable conductive rod.
Furthermore, the buffer shell is made of rubber materials, and the buffer spring is a tetrafluoro spring tube.
The utility model has the advantages that: the utility model discloses simple structure, the switch three-phase adopts independent phase sequence, single-phase switch adopts insulating fixed support board fixed, adopt environment-friendly insulating barrier to keep apart between the phases, increase the alternate creep distance of switch, avoid single-phase trouble to influence whole platform switching performance, realized being as the knot reason medium by the air, the arc extinguishing adopts vacuum arc extinguishing technique, replace and rely on special gas to insulate and the arc extinguishing, the switch need not install in sealed environment, the later maintenance is convenient, it can play the cushioning effect when vacuum interrupter contact combines to be provided with butterfly buffer assembly, during the contact disconnection, can assist the quick disconnection of contact again, can play fine guard action to vacuum interrupter, excellent in use effect.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a left side view structure diagram of the present invention;
fig. 3 is a schematic diagram of the right-side view structure of the present invention;
fig. 4 is a schematic view of the overall structure of the present invention;
fig. 5 is a schematic view of a connection structure of the butterfly buffer assembly of the present invention;
fig. 6 is a partially enlarged schematic view of fig. 5.
Detailed Description
The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.
As shown in fig. 1 to 6, this embodiment provides an air insulated circuit breaker isolation integrated switch, which includes an insulating fixed support plate 6, three vacuum arc-extinguishing chambers 5 are arranged in parallel in the middle of the insulating fixed support plate 6, a bus terminal 4 is arranged on a movable conducting rod 501 of the vacuum arc-extinguishing chambers 5, the movable conducting rod 501 is connected to a vacuum tube pull rod 2 for operating the connection or disconnection of a contact 502 of the vacuum arc-extinguishing chambers 5 through a butterfly buffer component 3 capable of playing a buffer role, the contact 502 includes a movable contact connected to the movable conducting rod 501 at the upper part and a fixed contact connected to a lower wire inlet column, the vacuum tube pull rod 2 is connected to a circuit breaker transmission shaft 1 for driving the vacuum tube pull rod to move, three isolation switches corresponding to the vacuum arc-extinguishing chambers 5 are arranged in parallel in the lower part of the insulating fixed support plate 6, and the isolation switches include an isolation knife switch contact 9 connected to the wire inlet, The isolation switch comprises an isolation switch 7 corresponding to an isolation switch contact 9 and an isolation switch transmission shaft 8 used for driving the isolation switch 7 to act, wherein the bottom of the isolation switch contact 9 is correspondingly connected with a bus line advancing column 901, and the bottom of the insulation fixed supporting plate 6 is provided with an isolation switch grounding contact 10 and a switch outgoing line contact seat 11 corresponding to the bus line advancing column 901.
The isolating switch grounding contact 10 is installed on the insulating fixed supporting plate 6, the upper end of the bus bar advancing column 901 penetrates through a through hole 1001 in the middle of the isolating switch grounding contact 10 to be hinged with the bottom of the isolating disconnecting link contact 9, and the switch outgoing line contact seat 11 is sleeved at the upper end of the bus bar advancing column 901 and used for connecting the bus bar advancing column 901 with the isolating switch grounding contact 10.
The butterfly buffer assembly 3 comprises a buffer shell 301, the lower portion of the vacuum tube pull rod 2 and the upper portion of the movable conductive rod 501 extend into the buffer shell 301, the upper end portion of the movable conductive rod 501 is provided with a piston groove 504, the lower portion of the vacuum tube pull rod 2 is provided with a piston portion 201 corresponding to the piston groove 504, a bump 202 is formed at the end portion of the piston portion 201, a baffle 505 corresponding to the piston portion 201 and used for blocking the bump 202 is formed at the end portion of the piston groove 504, a buffer spring 203 sleeved outside the vacuum tube pull rod 2 is arranged on the upper portion of the baffle 505, the buffer shell 301 is fixed with the vacuum tube pull rod 2, a containing groove 204 corresponding to the buffer spring 203 and the movable conductive rod 501 is formed in the buffer shell 301, and the vacuum tube pull rod 2 can move up and down along the movable conductive rod 501.
The concrete during operation: the known existing energy storage operating mechanism is connected with a transmission shaft of a circuit breaker switch through an external configuration, the operating mechanism drives the transmission shaft to rotate through energy release after energy storage, the transmission shaft drives a vacuum arc extinguish chamber to act through a vacuum tube pull rod when rotating, so that the circuit breaker switch is switched on and off, the butterfly-shaped buffer assembly is arranged, the buffer effect can be achieved when contacts of the vacuum arc extinguish chamber are combined, the contacts can be assisted to be quickly disconnected when being disconnected, and the vacuum arc extinguish chamber can be well protected. The bus wiring end is drawn forth through copper foil flexible connecting line in vacuum interrupter upper end, realize switch outlet port, three station isolator are installed to the vacuum interrupter lower extreme, the isolator action relies on the known special three station operating device of current isolator of outside configuration to drive the transmission shaft rotatory, realize the isolator divide-shut brake, the switch three-phase adopts independent phase sequence, single-phase switch adopts insulating fixed bolster fixed, the interphase adopts environment-friendly insulating barrier to keep apart, increase the alternate creep distance of switch, avoid single-phase trouble to influence whole platform switching performance that appears, realized being the joint edge medium by the air, the arc extinguishing adopts vacuum arc extinguishing technique, replace to rely on special gas to insulate and the arc extinguishing, the switch need not install in sealed environment, the later maintenance is convenient, excellent in use effect.
The present invention is illustrated by way of example and not by way of limitation. It will be apparent to those skilled in the art that other variations and modifications of the present invention can be made in light of the above teachings, and it is not necessary or necessary to exhaustively enumerate all embodiments herein, and it is intended that all such obvious variations and modifications are within the scope of the present invention.
Claims (4)
1. The utility model provides an air insulation breaker isolation integral type switch, a serial communication port, including insulating fixed support board (6), the middle part of insulating fixed support board (6) is provided with three vacuum interrupter (5) side by side, be provided with bus-bar wiring end (4) on moving conducting rod (501) of vacuum interrupter (5), it is connected with vacuum tube pull rod (2) that contact (502) that are used for operating vacuum interrupter (5) combine or break off through butterfly buffer assembly (3) that can play the cushioning effect to move conducting rod (501), vacuum tube pull rod (2) are connected with circuit breaker switch transmission shaft (1) that is used for driving its action, the lower part of insulating fixed support board (6) is provided with the isolator that three correspond with vacuum interrupter (5) side by side, isolator includes isolation knife brake contact (9) of being connected with inlet wire post (503) of vacuum interrupter (5) lower extreme, The isolation switch comprises an isolation switch (7) corresponding to an isolation switch contact (9) and an isolation switch transmission shaft (8) used for driving the isolation switch (7) to act, wherein the bottom of the isolation switch contact (9) is correspondingly connected with a bus line advancing column (901), and the bottom of an insulation fixed supporting plate (6) is provided with an isolation switch grounding contact (10) and a switch outgoing line contact seat (11) corresponding to the bus line advancing column (901).
2. The air insulated circuit breaker isolation integrated switch of claim 1, wherein the isolation switch grounding contact (10) is installed on the insulation fixed support plate (6), the upper end of the bus bar advancing column (901) penetrates through a through hole (1001) in the middle of the isolation switch grounding contact (10) to be hinged with the bottom of the isolation disconnecting link contact (9), and the switch outgoing line contact seat (11) is sleeved at the upper end of the bus bar advancing column (901) and used for connecting the bus bar advancing column (901) with the isolation switch grounding contact (10).
3. The air insulated circuit breaker isolation integrated switch according to claim 2, wherein the butterfly-shaped buffer assembly (3) comprises a buffer housing (301), the lower portion of the vacuum tube pull rod (2) and the upper portion of the movable conducting rod (501) extend into the buffer housing (301), the upper end of the movable conducting rod (501) is provided with a piston groove (504), the lower portion of the vacuum tube pull rod (2) is provided with a piston portion (201) corresponding to the piston groove (504), the end of the piston portion (201) is provided with a bump (202), the end of the piston groove (504) is provided with a baffle (505) corresponding to the piston portion (201) and used for blocking the bump (202), the upper portion of the baffle (505) is provided with a buffer spring (203) sleeved outside the vacuum tube pull rod (2), and the buffer housing (301) is fixed with the vacuum tube pull rod (2), the buffer shell (301) is internally provided with a containing groove (204) corresponding to the buffer spring (203) and the movable conducting rod (501), and the buffer shell (301) and the vacuum tube pull rod (2) can move up and down along the movable conducting rod (501).
4. The switch of claim 3, wherein the buffer housing (301) is made of rubber, and the buffer spring (203) is a Teflon spring tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020889927.6U CN211879293U (en) | 2020-05-25 | 2020-05-25 | Isolation integrated switch of air insulation circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020889927.6U CN211879293U (en) | 2020-05-25 | 2020-05-25 | Isolation integrated switch of air insulation circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211879293U true CN211879293U (en) | 2020-11-06 |
Family
ID=73234711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020889927.6U Active CN211879293U (en) | 2020-05-25 | 2020-05-25 | Isolation integrated switch of air insulation circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211879293U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111477495A (en) * | 2020-05-25 | 2020-07-31 | 浙江聚弘凯电气有限公司 | Isolation integrated switch of air insulation circuit breaker |
| CN117277129A (en) * | 2023-09-20 | 2023-12-22 | 珠海盈源电气有限公司 | Air insulation cabinet |
-
2020
- 2020-05-25 CN CN202020889927.6U patent/CN211879293U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111477495A (en) * | 2020-05-25 | 2020-07-31 | 浙江聚弘凯电气有限公司 | Isolation integrated switch of air insulation circuit breaker |
| CN117277129A (en) * | 2023-09-20 | 2023-12-22 | 珠海盈源电气有限公司 | Air insulation cabinet |
| CN117277129B (en) * | 2023-09-20 | 2024-03-19 | 珠海盈源电气有限公司 | Air insulation cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 311399 No.135, xinxiqiao village, Jincheng Street, Lin'an District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Juhongkai Intelligent Electrical Co.,Ltd. Country or region after: China Address before: 311399 No.135, xinxiqiao village, Jincheng Street, Lin'an District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG JUHONKIA ELECTRIC CO.,LTD. Country or region before: China |