CN207676853U - A kind of environmental protection gas cabinet rotary breaker structure - Google Patents
A kind of environmental protection gas cabinet rotary breaker structure Download PDFInfo
- Publication number
- CN207676853U CN207676853U CN201721712252.2U CN201721712252U CN207676853U CN 207676853 U CN207676853 U CN 207676853U CN 201721712252 U CN201721712252 U CN 201721712252U CN 207676853 U CN207676853 U CN 207676853U
- Authority
- CN
- China
- Prior art keywords
- contact
- insulating
- vacuum bubbles
- gas cabinet
- connecting lever
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a kind of environmentally friendly gas cabinet rotary breaker structure, belongs to technical field of electric equipment.The environmental protection gas cabinet rotary breaker structure, including vacuum bubbles, upper outlet, lower outlet, grounding contact and rotating mechanism.The upper end of vacuum bubbles is equipped with moved end contact, is in contact below moved end contact and insulating contact, and rotating mechanism drives the rotation of vacuum lake, after so that the moved end contact of vacuum bubbles upper end is detached from insulating contact rotation be extremely in contact with grounding contact.Environmental protection gas cabinet rotary breaker structure provided by the present application, using rotation isolation structure, vacuum bubbles can be rotatably connected with cabinet, prevent from closing a floodgate caused by air pressure imbalance problem because of gas cabinet.Use structure provided by the present application, upper outlet and lower outlet can be directly led out, insulating space need not be saved, as being attached using special-shaped copper rod on being flexible coupling in existing scheme, outlet connection row to provide the space of bigger as the environmentally friendly gas of dielectric.
Description
Technical field
The utility model is related to technical field of electric equipment more particularly to a kind of complete suitable for 10kV ring network power supply equipment
Sealed environmentally friendly gas cabinet rotary breaker structure.
Background technology
In recent years, it is widely used suitable for the miniaturization 10kV ring network power supply equipment of urban construction.This 10kV looped networks
Power supply unit is broadly divided into two kinds, and one is solid insulation types, and one is gas-insulated types.Wherein, solid insulation ring main unit is made
For a kind of novel distribution net equipment, widely it is applied in urban distribution network and upgrade of rural power grids.Solid insulation ring main unit has
There is small, high safety and reliability, non-maintaining, not the advantages that emission hazard gas, but it largely uses epoxide resin material
As dielectric, epoxy resin is not recyclable, difficult to degrade, while this dielectric is comparatively easy cracking, part
Electric discharge problem is with using and can be stepped up, therefore there are security risks for solid insulation ring main unit.
Gas-insulated switchgear is divided into as SF6Type and environmentally friendly gas (N2Gas or dry air) type.However, present ring
Border problem is increasingly severe, SF6As atmospheric greenhouse gas, a large amount of pernicious gases are will produce in breaker disjunction, in China
Evolution in, the use of this gas-insulated switchgear is gradually reduced.
In conclusion environmentally friendly gas is just at current best dielectric.But the insulation performance of environmentally friendly gas can not show a candle to
SF6, so when reaching same dielectric performance, existing environmental protection gas cabinet ratio SF6The volume of gas cabinet is much larger.
Existing environmental protection gas cabinet carries out parallel fixation, but gas cabinet air pressure inside environment using fixed insulation version in inside
Variation, when cabinet air pressure inside is more than external pressure, babinet force unbalance leads to that blade deviation home position is isolated, every
Clutch lock goes wrong.Meanwhile the breaker of existing environmentally friendly gas cabinet, upper outlet uses conduction to be flexible coupling, lower outlet is different
Shape copper rod connects, and occupies larger insulating space.Therefore it provides a kind of improved breaker structure is to improve environmentally friendly gas cabinet
Performance is necessary.
Invention content
Problem to be solved in the utility model is isolated when being existing environmentally friendly gas cabinet inner and outer air pressure environmental change and is now asked
Topic, upper outlet and lower outlet occupy larger insulating space.
Technical solution is used by of the invention or utility model：A kind of environmentally friendly gas cabinet rotary breaker structure is provided.
The environmental protection gas cabinet rotary breaker structure, including vacuum bubbles, upper outlet, lower outlet and grounding contact, further include driving very
The rotating mechanism of vacuole rotation.
Lake bearing is equipped with below the vacuum bubbles, the lake bearing is horizontally disposed, and one end of lake bearing is fixed on
On gas cabinet inner wall, the other end is connect by shaft with vacuum bubbles；The lower outlet is vertically arranged, and the lower end of vacuum bubbles is by leading
Electricity is flexible coupling to be connected with lower outlet；The top of lake bearing is equipped with insulated leg, and one end of insulated leg is fixed in gas cabinet
On wall, the other end is equipped with insulating contact, and the axis of the insulating contact and the axis of vacuum bubbles coincide；The upper end of vacuum bubbles is set
There is moved end contact, be in contact below moved end contact and insulating contact, rotating mechanism drives the rotation of vacuum lake, makes in vacuum bubbles
Rotation is extremely in contact with grounding contact after the moved end contact at end is detached from insulating contact；The free end of the upper outlet is set vertically
It sets, one end of upper outlet is connected with the upper end of insulating contact.
Further, the rotating mechanism includes connecting lever and pull rod；One end of the connecting lever is fixed on gas by shaft
In cabinet, one end of the other end and pull rod is rotatably connected, and the other end of pull rod and the outer wall of vacuum bubbles are rotatably connected, connecting lever fortune
It is dynamic, drive vacuum bubbles to be rotated in vertical plane.
Preferably, the grounding contact is fixedly connected by contact support with gas cabinet, one end of grounding contact and contact
Bearing is rotatably connected.
Preferably, the free end of the grounding contact is corresponding with moved end contact, is set between grounding contact and contact support
There is compression spring, when grounding contact is in contact with moved end contact, grounding contact presses compression spring, and compression spring is in compressive state.
Preferably, between the moved end contact and vacuum bubbles be equipped with compression spring, moved end contact respectively with insulating contact and ground connection
When contact is in contact, compression spring is in compressive state.
Further, the free end of the insulated leg is equipped with guide pad, is provided on guide pad and is matched with insulating contact
Mounting hole, insulating contact is fixed on by guide pad on insulated leg.
Further, the environmentally friendly gas cabinet rotary breaker structure further includes interrupter, and the interrupter includes
Combined floodgate connecting lever, insulating bar and isolation connecting lever；One end of the combined floodgate connecting lever is in contact with the upper end of insulating contact, the other end with absolutely
Edge bar connects, and the insulating bar is horizontally disposed, and one end of insulating bar is connected with combined floodgate connecting lever, and the other end is to separate insulated leg
Direction horizontal extension, with connecting lever be isolated be rotatably connected；Be isolated connecting lever rotation, drive combined floodgate connecting lever be in contact with insulating contact or
It is detached from, to occupy or discharge insulating contact.
The utility model has the advantages and positive effects of：Environmental protection gas cabinet rotary breaker knot provided by the present application
Structure, using rotation isolation structure, vacuum bubbles can be rotatably connected with cabinet, prevent from closing caused by air pressure imbalance because of gas cabinet
Lock problem.Structure provided by the present application, eliminating the isolation blade in existing breaker reduces manufacturing cost, in longitudinal direction
Fixed insulation board is eliminated, the distance of conveniently adjusted breaker can be situated between using environmentally friendly gas as insulation using effective solution
Insulation distance when matter.
Using structure provided by the present application, upper outlet and lower outlet can be directly led out, need not be as in existing scheme
It is flexible coupling, is attached using special-shaped copper rod on outlet connection row, insulating space is saved, for the environmentally friendly gas as dielectric
Body provides the space of bigger.
Environmental protection gas cabinet rotary breaker structure provided by the present application uses separate type contact structure in vacuum bubble moving end,
Reliability of Microprocessor is isolated when micro deviation occurs to be unaffected.The moved end contact of vacuum bubbles is additionally provided with compression spring, is being isolated
Closing position ensures the enough pressure of contact position.
The application also adds interrupter, and original vacuum circuit breaker is mutually merged with isolation circuit breakers, and simplification is resolved
Road device structure, increases the space of insulating gas, and inside uses the insulating materials of recyclable explanation so that product is in original SF6
On the basis of gas-filling cabinet, under the premise of volume is almost unchanged, by filling SF6It is changed to fill N2Or the environmentally friendly gas such as dry air, thus
Material and dielectric meet the requirement of environmental protection on.
Description of the drawings
Fig. 1 is the schematic diagram of the breaker structure of existing environmentally friendly gas cabinet.
Fig. 2 is the schematic diagram of environmentally friendly gas cabinet rotary breaker structure provided by the present application.
In figure：1- cams, 2- holders, 3- fixation insulation boards, 4- inlet wire connecting lines, 5- insulating barriers, 6- vacuum bubbles, 7- are quiet
Contact, 8- support plates, 9- isolation blades, 10- isolated operation bars, 11- insulated legs, 12 outlet connecting lines, 13- grounding contacts,
14- compression springs, 15- connecting levers, 16- insulating bars, 17- combined floodgate connecting levers, 18- insulating contacts, 19- guide pads, 20- pull rods, 21- isolation are turned
Arm, 22- contact supports, 23- guide rods, 24- conductions are flexible coupling, the moved ends 25- contact.
Specific implementation mode
In order to be better understood from the utility model, with reference to specific embodiments and the drawings to the utility model into advance one
The description of step.
As shown in Figure 1, breaker structure in the prior art, vacuum bubbles 6 are fixed on gas cabinet by fixed insulation board 3
On, 6 top of vacuum bubbles is equipped with cam 1 and holder 2, and the upper end of vacuum bubbles 6 is flexible coupling by conduction to be connected with upper outlet 4, vacuum
It steeps lower end and is equipped with static contact 7.First lower section is equipped with insulated leg 11, fixed support isolated operation bar 10 and isolation blade 9 to vacuum bubbles.
One end that blade 9 is isolated is equipped with support plate 8, and support plate 8 is in contact with static contact, and isolated operation bar 10 moves, and drives isolation knife
Piece 9 moves.
Existing this breaker structure, vacuum bubbles 6 are fixedly mounted, and parallel fixation is carried out using fixed insulation board 3.
When gas cabinet air pressure inside environment is more than external pressure, stress is it is difficult to ensure that equilibrium, internal breaker is parallel to be consolidated in cabinet
Determine 3 discontinuity equalization of insulation board, leads to that the initial position that blade 9 deviates installation and debugging is isolated, it is not in place to make isolation close a floodgate
Or it does not close.In addition, this structure needs conduction to be flexible coupling in upper outlet, lower outlet needs to be connected using special-shaped copper rod
It connects, occupies the insulating space of most.
As shown in Fig. 2, this application provides a kind of environmentally friendly gas cabinet rotary breaker structure, including vacuum bubbles 6, upper outlet
4, lower outlet 12, grounding contact 13, interrupter and the rotating mechanism for driving vacuum bubbles 6 to rotate.
When isolation is closed a floodgate, vacuum bubbles 6 are vertically arranged.6 lower section of vacuum bubbles is equipped with lake bearing 26, and 26 level of lake bearing is set
It sets, one end of lake bearing 26 is fixed on gas cabinet inner wall, and the other end is connect by shaft with vacuum bubbles 6.
The top of lake bearing 26 is equipped with horizontally disposed insulated leg 11, and one end of insulated leg 11 is fixed on gas cabinet
On inner wall, the other end is equipped with guide pad 19, is provided with and 18 matched mounting hole of insulating contact, insulating contact 18 on guide pad 19
It is fixed on insulated leg 11 by guide pad.The axis of vacuum bubbles 6 coincides under the axis and vertical state of insulating contact 18.
Interrupter includes combined floodgate connecting lever 17, insulating bar 16 and isolation connecting lever 15.One end of combined floodgate connecting lever 15 be isolated touch
First 18 upper end is in contact, and the other end is connect with insulating bar 16, and insulating bar 16 is horizontally disposed, and one end and the combined floodgate of insulating bar 16 turn
Arm 17 is connected, the other end to far from insulated leg 11 direction horizontal extension, with connecting lever 15 be isolated be rotatably connected.Connecting lever is isolated
15 rotations, drive combined floodgate connecting lever 17 to be in contact or be detached from insulating contact 18, to occupy or discharge insulating contact 18.
Rotating mechanism includes connecting lever 21 and pull rod 20；One end of connecting lever 21 is fixed on by shaft in gas cabinet, the other end
It being rotatably connected with one end of pull rod 20, the other end and the outer wall of vacuum bubbles 6 of pull rod 20 are rotatably connected, and connecting lever 21 moves,
Vacuum bubbles 6 are driven to be rotated in vertical plane.
The upper end of vacuum bubbles 6 is equipped with moved end contact 25, and compression spring 14, moved end contact are equipped between moved end contact and vacuum bubbles 6
14 with insulating contact 18 and grounding contact 13 when being in contact respectively, and compression spring 14 is in compressive state.When 6 vertical state of vacuum bubbles,
Moved end contact 25 is in contact with the lower section of insulating contact 18.Rotating mechanism drives vacuum bubbles 6 to rotate, and makes the dynamic of 6 upper end of vacuum bubbles
Rotation is extremely in contact with grounding contact 13 after terminal contacts 25 are detached from insulating contact 18.
Grounding contact 13 is fixedly connected by contact support 22 with gas cabinet, one end and the contact support 22 of grounding contact 13
It is rotatably connected.The free end of grounding contact 13 is corresponding with moved end contact 25, is set between grounding contact 13 and contact support 22
There are compression spring 14, compression spring 14 to be set on guide rod 23, when grounding contact 13 is in contact with moved end contact 25, the pressing pressure of grounding contact 13
Spring 14, compression spring 14 are in compressive state.
The free end of upper outlet 4 is vertically arranged, and one end of upper outlet 4 is connected with the upper end of insulating contact 18.Lower outlet 12
It is vertically arranged, the lower end of vacuum bubbles 6 is flexible coupling by conduction to be connected with lower outlet 12；
In use, when vacuum bubbles 6 move to isolation closing position, contact compression spring 7 can reliably ensure to move in vacuum bubbles 6
The pressure of stationary contact meets and contacts each parameter request.
When isolation connecting lever 15 rotates clockwise, combined floodgate connecting lever 17 pushes, and drives moved end contact 25 to push, overcomes compression spring 7
Effect, by inside vacuum bubbles 6 sound touch pressing, realize inlet-outlet line conducting.
When sub-switching operation, connecting lever 15 was isolated before this and rotated counterclockwise, combined floodgate connecting lever 17 moves, and no longer presses insulating contact
18, moved end contact 25 is closed on top to compression spring 7 upwards, is discharged the sound inside vacuum bubbles 6 and is touched.Next connecting lever 21 is operated by vacuum bubbles
From position, A is pulled open to position B, realizes the separation of insulating contact 18 and moved end contact 25, rotation connecting lever 21 is further continued for, by vacuum bubbles
It is rotated in place C, moved end contact 25 is in contact with grounding contact 13, and the effect of compression spring 14 ensures that the enough pressure of the two, realization connect
Ground function.
Environmental protection gas cabinet rotary breaker structure provided by the present application, upper wiring 4 and lower wiring 12 can realize that Fig. 2 such as hangs down
Straight outlet up and down, spatially not in such as Fig. 1, needing to be flexible coupling connects with the special-shaped horizontal outlet of copper rod carry out, and longitudinal direction is not
It needs the fixation insulation board 3 in Fig. 1 to fix again, can facilitate the space length of adjustment breaker in longitudinal direction, it will not be because of
Mechanism span increases and leads to breaker structure disequilibrium and intensity, can use environmentally friendly gas as absolutely using effective solution
Insulation distance when edge medium.
In addition, rotary breaker structure provided by the present application, that is, play the function of breaker, while increasing in vacuum bubbles
Add isolation structure, saves the part of original interrupter, the available insulating space greatly increased on spatial volume so that
Environmentally friendly gas (N is being filled in existing space2Gas or dry air) it can also meet insulating requirements.
The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model
Embodiment should not be considered as limiting the scope of the present invention.It is all to become according to impartial made by the scope of the utility model
Change and improve etc., it should all still belong within this patent covering scope.
Claims (7)
1. a kind of environmental protection gas cabinet rotary breaker structure, including vacuum bubbles, upper outlet, lower outlet and grounding contact, feature
It is：It further include the rotating mechanism for driving vacuum bubbles rotation；
Lake bearing is equipped with below the vacuum bubbles, the lake bearing is horizontally disposed, and one end of lake bearing is fixed on gas
On cabinet inner wall, the other end is connect by shaft with vacuum bubbles；
The lower outlet is vertically arranged, and the lower end of vacuum bubbles is flexible coupling by conduction to be connected with lower outlet；
The top of lake bearing is equipped with insulated leg, and one end of insulated leg is fixed on gas cabinet inner wall, the other end be equipped with every
From contact, the axis of the insulating contact and the axis of vacuum bubbles coincide；
The upper end of vacuum bubbles is equipped with moved end contact, is in contact below moved end contact and insulating contact, and rotating mechanism drives vacuum
Lake rotates, and rotates after so that the moved end contact of vacuum bubbles upper end is detached from insulating contact and is extremely in contact with grounding contact；
The free end of the upper outlet is vertically arranged, and one end of upper outlet is connected with the upper end of insulating contact.
2. environmental protection gas cabinet rotary breaker structure according to claim 1, it is characterised in that：The rotating mechanism includes
Connecting lever and pull rod；
One end of the connecting lever is fixed on by shaft in gas cabinet, and one end of the other end and pull rod is rotatably connected, pull rod
The other end and the outer wall of vacuum bubbles are rotatably connected,
Connecting lever moves, and vacuum bubbles is driven to be rotated in vertical plane.
3. environmental protection gas cabinet rotary breaker structure according to claim 2, it is characterised in that：The grounding contact passes through
Contact support is fixedly connected with gas cabinet, and one end and the contact support of grounding contact are rotatably connected.
4. environmental protection gas cabinet rotary breaker structure according to claim 3, it is characterised in that：The grounding contact from
It is corresponding with moved end contact by holding, compression spring is equipped between grounding contact and contact support, grounding contact is in contact with moved end contact
When, grounding contact presses compression spring, and compression spring is in compressive state.
5. according to any environmentally friendly gas cabinet rotary breaker structures of claim 1-4, it is characterised in that：It touches the moved end
Compression spring is equipped between point and vacuum bubbles, when moved end contact is in contact with insulating contact and grounding contact respectively, compression spring is in compression
State.
6. according to any environmentally friendly gas cabinet rotary breaker structures of claim 1-4, it is characterised in that：The insulation branch
The free end of seat is equipped with guide pad, is provided on guide pad and passes through guide pad with the matched mounting hole of insulating contact, insulating contact
It is fixed on insulated leg.
7. according to any environmentally friendly gas cabinet rotary breaker structures of claim 1-4, it is characterised in that：It further include isolation
Mechanism, the interrupter include combined floodgate connecting lever, insulating bar and isolation connecting lever；
One end of the combined floodgate connecting lever is in contact with the upper end of insulating contact, and the other end is connect with insulating bar, the insulating bar water
Flat setting, one end of insulating bar are connected with combined floodgate connecting lever, and the other end is turned to the direction horizontal extension of separate insulated leg, with being isolated
Arm is rotatably connected；
Connecting lever rotation is isolated, combined floodgate connecting lever is driven to be in contact or be detached from insulating contact, to occupancy or release insulating contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721712252.2U CN207676853U (en) | 2017-12-11 | 2017-12-11 | A kind of environmental protection gas cabinet rotary breaker structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721712252.2U CN207676853U (en) | 2017-12-11 | 2017-12-11 | A kind of environmental protection gas cabinet rotary breaker structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207676853U true CN207676853U (en) | 2018-07-31 |
Family
ID=62967711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721712252.2U Active CN207676853U (en) | 2017-12-11 | 2017-12-11 | A kind of environmental protection gas cabinet rotary breaker structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207676853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244925A (en) * | 2018-09-28 | 2019-01-18 | 厦门闽光电气实业有限公司 | A kind of vacuum load switch nitrogen gas insulating method |
-
2017
- 2017-12-11 CN CN201721712252.2U patent/CN207676853U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244925A (en) * | 2018-09-28 | 2019-01-18 | 厦门闽光电气实业有限公司 | A kind of vacuum load switch nitrogen gas insulating method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106953264A (en) | A kind of environmentally friendly gas insulation switch cabinet | |
| CN207474334U (en) | A kind of isolation circuit breakers for dry air insulation ring main unit | |
| CN207676853U (en) | A kind of environmental protection gas cabinet rotary breaker structure | |
| CN206195231U (en) | Adopt environmental protection gas -insulated's isolation breaker | |
| CN106602452A (en) | Isolation circuit breaker insulated by adopting environmental gas | |
| CN109830911A (en) | The gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly | |
| CN202633139U (en) | Three-station isolating grounding switch with double guiding rod and connection rod transmission structure | |
| CN202172041U (en) | High voltage permanent magnet vacuum circuit breaker on outdoor post | |
| CN110729657A (en) | Environment-friendly inflating cabinet | |
| CN201215783Y (en) | Novel vacuum loaded switch | |
| CN104143464B (en) | Earthed switch assembly unit and high-speed grounding switch thereof | |
| CN207339064U (en) | A kind of environment-friendly type air insulation AC metal enclosed ring network switch cabinet | |
| CN104112999B (en) | A kind of solid insulation ring main unit | |
| CN202602159U (en) | SF6 insulated three-station intelligent isolation switch cabinet | |
| CN101442170A (en) | Bus connector | |
| CN209343986U (en) | A kind of Novel rotary breaker | |
| CN104143451A (en) | High-speed earthing switch and earthing switch assembly unit with same | |
| CN209282710U (en) | The gas-insulating and fully-enclosed all insulation looped network switch apparatus of novel environment friendly | |
| CN104300417A (en) | Indoor inflation ring main unit with embedded poles | |
| CN201562620U (en) | Outdoor circuit breaker with dual-power lead-in function | |
| CN206364436U (en) | A kind of environmentally friendly Cubicle Gas-Insulated Switchgear of bus closing | |
| CN204271521U (en) | There is the indoor Inflatable ring main unit of pole | |
| CN207367907U (en) | A kind of breaker | |
| CN207458837U (en) | A kind of vacuum circuit breaker for switched capacitor group | |
| CN208094066U (en) | Gas-filling cabinet three-station and gas-filling cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |