CN205489228U - Telescopic formula air insulation looped netowrk cabinet - Google Patents
Telescopic formula air insulation looped netowrk cabinet Download PDFInfo
- Publication number
- CN205489228U CN205489228U CN201620057626.0U CN201620057626U CN205489228U CN 205489228 U CN205489228 U CN 205489228U CN 201620057626 U CN201620057626 U CN 201620057626U CN 205489228 U CN205489228 U CN 205489228U
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- China
- Prior art keywords
- switch
- static contact
- air insulation
- current transformer
- bus
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- Withdrawn - After Issue
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a telescopic formula air insulation looped netowrk cabinet, takes the static contact to wear wall generating line, switch element, current transformer, sensor and arrester to install on the cabinet body characterized by backplate, and main bus -bar, isolator static contact are installed and is being taken on the static contact wears the wall generating line, and switch run -on one end and vacuum interrupter on the switch element move the end and be qualified for the next round of competitions and be connected, and the switch run -on other end is connected with current transformer, and current transformer is connected with copper bar for the sensor. The advantage: the simple structure of cubical switchboard, high parameter, the switch element is the telescopic formula, makes things convenient for product maintenance, no harmful gas produces, and all spare parts reach behind the life all recoverablely, greatly improves the feature of environmental protection of product, adaptation environmental demand.
Description
Technical field
This utility model is a kind of novel withdrawable air insulation ring main unit.Belong to high-tension switch cabinet equipment technical field.
Background technology
Ring main unit in the market has employing SF6 gas-filling cabinet, solid insulation cabinet and dry air and N2 gas-filling cabinet.SF6 is greenhouse gases, can decomposite toxic gas, cannot recycle after life of product termination after cut-offfing electric arc, and SF6 gas-filling cabinet is unfavorable for environmental protection；Above-mentioned three kinds of cabinet types specification single parameter in the market is low, and is and fixedly mounted is inconvenient to keep in repair.
Summary of the invention
The utility model proposes a novel withdrawable air insulation ring main unit, its object is to the drawbacks described above overcome existing for prior art, there is the advantages such as volume is little, environment-friendly type, function are integrated, reliability is high, can extract out.
Technical solution of the present utility model: withdrawable air insulation ring main unit, it is characterized in that backplate 2, band static contact bus through walls 3, switch element 6, current transformer 8, sensor 9 and spark gap 10 are arranged on cabinet 1, main bus-bar 4, static contact isolation switch 5 are arranged on bus 3 through walls, switch connects row 7 one end and is connected with the movable end of vacuum arc extinguishing chamber wire outlet seat 30 on switch element 6, switch connects row's 7 other ends and is connected with current transformer 8, and current transformer 8 is connected with copper bar with sensor 9.
Advantage of the present utility model: the simple in construction of switch cubicle, high parameter, switch element is withdrawable, facilitates product maintenance；Producing without harmful gas, all parts are the most recyclable after reaching service life, and the feature of environmental protection of product is greatly improved, and adapt to ecological requirements.
Accompanying drawing explanation
Accompanying drawing 1 is the structure chart of air insulation ring main unit.
Accompanying drawing 2 is the side view of Fig. 1.
Accompanying drawing 3 is the switch element structure chart of air insulation ring main unit.
Accompanying drawing 4 is the side view of Fig. 3.
Major loop internal structure schematic diagram in accompanying drawing 5 switch element.
nullIn figure, 1 is cabinet、2 is backplate、3 is bus through walls、4 is main bus-bar、5 is static contact isolation switch、6 is switch element、7 is that switch connects row、8 is current transformer、9 is sensor、10 is spark gap、11 is switch casing、12 is isolating switch mechanism、13 is chopper or on-load switch mechanism、14 is switch component、15 is pole、16 is support member、17 is transmission component、18 is insulated tension pole assembly、19 is disconnecting switch cutting blade、20 is isolator operation plastics main shaft、21 is vacuum interrupter quiet end contact、22 is vacuum interrupter、23 is vacuum interrupter transmission main shaft、24 is touch spring assembly、25 is movable end of vacuum arc extinguishing chamber screw、26 is transmission crank arm、27 is disconnecting switch grounding contact、28 is grounding copper bar、29 is to be flexible coupling、30 is movable end of vacuum arc extinguishing chamber wire outlet seat.
Detailed description of the invention
Comparison accompanying drawing 1,2,5, air insulation ring main unit, its structure is that backplate 2, bus through walls 3, switch element 6, current transformer 8, sensor 9 and spark gap 10 are arranged on cabinet 1, main bus-bar 4, static contact isolation switch 5 are arranged on bus 3 through walls, switch connects row 7 one end and is connected with the movable end of vacuum arc extinguishing chamber wire outlet seat 30 on switch element 6, switch connects row's 7 other ends and is connected with current transformer 8, and current transformer 8 is connected with copper bar with sensor 9.
Described backplate 2 and bus through walls 3 are to be formed by poured with epoxy resin, bus 3 the most through walls is connected with main bus-bar 4 and static contact isolation switch 5 containing copper insert, main bus-bar 4 can be made to turn on static contact isolation switch 5 galvanic circle, main bus-bar 4 other end is connected with adjacent air insulation ring main unit cabinet bus through walls 3 other end simultaneously, connects galvanic circle when spelling cabinet for ring main unit.
Comparison accompanying drawing 3,4,5, switch element, its structure is that isolating switch mechanism 12, chopper or on-load switch mechanism 13, pole 15, support member 16, transmission component 17 are arranged on switch casing 11, switch component 14 is arranged on isolating switch mechanism 12, pole 15 and support member 16, and insulated tension pole assembly 18 is arranged on pole 15 and transmission component 17.
Equipped with 4 groups of rollers on described switch casing 11, when switch element 2 needs repairing, overall can extract out from cabinet 1, improve maintenance efficiency, greatly facilitate maintainer, it may be necessary to whole switch element 2 is changed.
Described isolating switch mechanism 12 is arranged in switch casing 11, and the outfan of isolating switch mechanism 12 is connected with switch component 14, and drives it to rotate.
Described chopper or on-load switch mechanism 13 are arranged in switch casing 11, and the outfan of chopper or on-load switch mechanism 13 is connected with transmission component 17, and drives it to rotate, and transmission component 17 makes pole 15 action by insulated tension pole assembly 18.
Described switch component 14 by 3 isolator operation plastics main shafts 20 and 2 a pair the disconnecting switch cutting blade 19 of totally three pairs form, wherein isolator operation plastics main shaft 20 has cavity boss, 2 disconnecting switch cutting blades 19 are installed in boss, disconnecting switch cutting blade 19 one end is by pivot pin end quiet with the vacuum interrupter being cast on pole 15 contact 21, and rotate centered by it, there is insulation protective board the other end both sides of every 2 disconnecting switch cutting blades 19, and it can be connected with static contact isolation switch 5 or disconnecting switch grounding contact 27.
Described pole 15 is to be formed by poured with epoxy resin, vacuum interrupter quiet end contact 21 one end is fixed by screws in the quiet end of vacuum interrupter 22, the other end of vacuum interrupter quiet end contact 21 is connected with disconnecting switch cutting blade 19, the moved end of vacuum interrupter 22 29 is connected with being flexible coupling by movable end of vacuum arc extinguishing chamber screw 25, be flexible coupling 29 the other end and movable end of vacuum arc extinguishing chamber wire outlet seat 30 be fixed by screws on pole 15, movable end of vacuum arc extinguishing chamber wire outlet seat 30 is connected with current transformer 8 or sensor 9 by copper bar, pole 15 is arranged on the middle part of transmission crank arm 26 by pivot pin, one end of transmission crank arm 26 is connected with movable end of vacuum arc extinguishing chamber screw 25, the other end of transmission crank arm 26 is connected with touch spring assembly 24.
Described transmission component 17 is made up of the connecting lever on vacuum interrupter transmission main shaft 23 and main shaft and bearing pin, and its one end is connected with the outfan of chopper or on-load switch mechanism 13, and the other end is connected with the touch spring assembly 24 in insulated tension pole assembly 18.
Described insulated tension pole assembly 18 is made up of touch spring assembly 24 and insulator and rod end bearing, and its one end is connected with transmission component 17, and the other end is connected with transmission crank arm 26.
Comparison accompanying drawing 1,3,5, the major loop duty of switch element is that disconnecting switch cutting blade 19 engages with static contact isolation switch 5, and chopper or on-load switch vacuum interrupter 22 close a floodgate, and connects main bus-bar 4 and current transformer 8 and extension cable copper bar；Galvanic circle is made up of main bus-bar 4, bus through walls 3, static contact isolation switch 5, disconnecting switch cutting blade 19, vacuum interrupter quiet end contact 21, vacuum interrupter 22, be flexible coupling 29, movable end of vacuum arc extinguishing chamber wire outlet seat 30, switch connection row 7, current transformer 8 and extension cable copper bar.Its sequence of movement is: first disconnecting switch operation mechanism 12, and isolating switch mechanism 12 drives isolator operation plastics main shaft 20 to rotate, and then drives disconnecting switch cutting blade 19 to rotate to static contact isolation switch 5, and makes it engage, and disconnecting switch is i.e. in closing position；Operating breaker or on-load switch mechanism 13, vacuum interrupter transmission main shaft 23, touch spring assembly 24, transmission crank arm 26, movable end of vacuum arc extinguishing chamber screw 25 is driven to move to closing position, movable end of vacuum arc extinguishing chamber screw 25 drives positive empty arc-chutes 22 to close a floodgate, connecting chopper, performance loop completes conducting.
The major loop ground state of switch element is: disconnecting switch cutting blade 19 engages with disconnecting switch grounding contact 27, and chopper or on-load switch vacuum interrupter 22 close a floodgate, and connects grounding copper bar 28 and current transformer 8 and extension cable copper bar.Galvanic circle is made up of grounding copper bar 28, disconnecting switch grounding contact 27, disconnecting switch cutting blade 19, vacuum interrupter quiet end contact 21, vacuum interrupter 22, be flexible coupling 29, movable end of vacuum arc extinguishing chamber wire outlet seat 30, switch connection row 7, current transformer 8 and extension cable copper bar.Its sequence of movement is: first disconnecting switch operation mechanism 12, isolating switch mechanism 12 drives isolator operation plastics main shaft 20 to rotate, then driving disconnecting switch cutting blade 19 to rotate to disconnecting switch grounding contact 27, and make it engage, disconnecting switch is i.e. in earthing position；Operating breaker or on-load switch mechanism 13, vacuum interrupter transmission main shaft 23, touch spring assembly 24, transmission crank arm 26, movable end of vacuum arc extinguishing chamber screw 25 is driven to move to closing position, movable end of vacuum arc extinguishing chamber screw 25 drives positive empty arc-chutes 22 to close a floodgate, connecting chopper, earth-return circuit completes conducting.
Construction of switch of the present invention is simple, and volume is little；Only rely on air insulation, highly reliable；Loop connects with conventional copper bar, and scheme autgmentability is strong；Switch element is withdrawable, easy to maintenance；Consider in original design that current class is high, without advantages such as SF6, environmental protection.
Claims (8)
- The most withdrawable air insulation ring main unit, it is characterized in that backplate, band static contact bus through walls, switch element, current transformer, sensor and spark gap are arranged on cabinet, main bus-bar, static contact isolation switch are arranged on band static contact bus through walls, switch connects row one end and is connected with the movable end of vacuum arc extinguishing chamber wire outlet seat on switch element, switch connects row's other end and is connected with current transformer, and current transformer is connected by copper bar with sensor.
- Withdrawable air insulation ring main unit the most according to claim 1, is characterized in that the copper insert in described band static contact bus through walls is connected with one end, the static contact isolation switch of main bus-bar, and main bus-bar other end bus through walls with band static contact is connected.
- Withdrawable air insulation ring main unit the most according to claim 1, it is characterized in that described switch element, its structure is that isolating switch mechanism, chopper or on-load switch mechanism, pole, support member, transmission component are arranged on switch casing, switch component is arranged on isolating switch mechanism, pole and support member, and pole, transmission component are installed insulated tension pole assembly.
- Withdrawable air insulation ring main unit the most according to claim 3, it is characterized in that on described switch casing equipped with group roller, isolating switch mechanism, chopper or on-load switch mechanism are installed in switch-box body, wherein the outfan of isolating switch mechanism is connected with switch component, the outfan of chopper or on-load switch mechanism is connected with transmission component, and transmission component is connected with pole by insulated tension pole assembly.
- Withdrawable air insulation ring main unit the most according to claim 4, it is characterized in that described switch component by 3 isolator operation plastics main shafts and 2 a pair the disconnecting switch cutting blade of totally three pairs form, wherein isolator operation plastics main shaft has cavity boss, 2 disconnecting switch cutting blades are installed in boss, disconnecting switch cutting blade one end is connected by pivot pin and vacuum interrupter quiet end contact, the both sides of the other end of disconnecting switch cutting blade have insulation protective board, insulation protective board to be connected with static contact isolation switch or disconnecting switch grounding contact.
- Withdrawable air insulation ring main unit the most according to claim 5, it is characterized in that described vacuum interrupter quiet end contact one end is fixed by screws in the quiet end of vacuum interrupter, the other end of vacuum interrupter quiet end contact is connected with disconnecting switch cutting blade, the moved end of vacuum interrupter is connected with the one end being flexible coupling by movable end of vacuum arc extinguishing chamber screw, the other end and the movable end of vacuum arc extinguishing chamber wire outlet seat that are flexible coupling are fixed by screws on pole, movable end of vacuum arc extinguishing chamber wire outlet seat is connected with current transformer or sensor by copper bar, pole is arranged on the middle part of transmission crank arm by pivot pin, one end of transmission crank arm is connected with movable end of vacuum arc extinguishing chamber screw, the other end of transmission crank arm is connected with touch spring assembly.
- Withdrawable air insulation ring main unit the most according to claim 3, it is characterized in that described transmission component is made up of the connecting lever on vacuum interrupter transmission main shaft and main shaft and bearing pin, its one end is connected with the outfan of chopper or on-load switch mechanism, and the other end is connected with the touch spring assembly in insulated tension pole assembly.
- Withdrawable air insulation ring main unit the most according to claim 7, is characterized in that described insulated tension pole assembly is made up of touch spring assembly, insulator and rod end bearing, and its one end is connected with transmission component, and the other end is connected with transmission crank arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620057626.0U CN205489228U (en) | 2016-01-21 | 2016-01-21 | Telescopic formula air insulation looped netowrk cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620057626.0U CN205489228U (en) | 2016-01-21 | 2016-01-21 | Telescopic formula air insulation looped netowrk cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205489228U true CN205489228U (en) | 2016-08-17 |
Family
ID=56638912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620057626.0U Withdrawn - After Issue CN205489228U (en) | 2016-01-21 | 2016-01-21 | Telescopic formula air insulation looped netowrk cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205489228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490199A (en) * | 2016-01-21 | 2016-04-13 | 上海攀森电气设备有限公司 | Drawer type air insulated ring network cabinet |
-
2016
- 2016-01-21 CN CN201620057626.0U patent/CN205489228U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490199A (en) * | 2016-01-21 | 2016-04-13 | 上海攀森电气设备有限公司 | Drawer type air insulated ring network cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20180605 |