CN107993879A - A kind of three station protected type solid insulation vacuum switch module of disconnecting link formula - Google Patents
A kind of three station protected type solid insulation vacuum switch module of disconnecting link formula Download PDFInfo
- Publication number
- CN107993879A CN107993879A CN201711406174.8A CN201711406174A CN107993879A CN 107993879 A CN107993879 A CN 107993879A CN 201711406174 A CN201711406174 A CN 201711406174A CN 107993879 A CN107993879 A CN 107993879A
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- CN
- China
- Prior art keywords
- disconnecting link
- breaker
- station
- conductor
- protected type
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of three station protected type solid insulation vacuum switch module of disconnecting link formula, including breaker and three-station, the breaker includes inlet wire cone conductor, it is flexible coupling, insulating pull rod for breaker, vacuum interrupter, arc-chutes static side conductor and breaker mechanism, the three-station includes isolation static contact, disconnecting link component, insulating contact seat, conductor is bored in outlet, three station insulated tension poles, connecting rod, grounding contact and isolation earthing mechanism, the inlet wire bores conductor, vacuum interrupter, arc-chutes static side conductor, outlet cone conductor is cast in protected type pole.The present invention integrally loads disconnecting link component in protected type pole, reduces and is assembled the problem of not in place because space is small, product reliability is high, improves production efficiency.
Description
Technical field
The present invention relates to high-tension switch cabinet equipment technical field, more particularly to a kind of three station protected type solid of disconnecting link formula
Insulate vacuum switch module.
Background technology
Disconnecting switch and earthing switch are made disconnecting link formula three-station, knife by solid insulation ring main unit currently on the market
Lock, which is fixed, needs axis pin to be fixed on conductor, and being flexible coupling at vacuum interrupter moving conductive rod needs screw to fasten, due to axis pin and
The protrusion of screw can cause electric field to concentrate, so as to reduce the electric property of product.The disconnecting link of three-station is with isolating static contact
Contact be subject to electrodynamic influence, disconnecting link can be made to deviate original position for a long time, influence contact of the disconnecting link with contact, resistance
Become larger, galvanic circle fever exceeds standard, and accident occurs.Therefore, it is necessary to research and develop a kind of disconnecting link formula three that can overcome the problem
Station protected type solid insulation vacuum switch module.
The content of the invention
To solve above technical problem, the present invention provides a kind of three station protected type solid insulation vacuum switch mould of disconnecting link formula
Block, has the function of small, environment-friendly type, integrates, high reliability.
To achieve the above object, the present invention provides following technical solution：
The present invention provides a kind of three station protected type solid insulation vacuum switch module of disconnecting link formula, including breaker and three works
Bit switch, the breaker and three-station include major loop part and operating mechanism part, the breaker and three works
The major loop part of bit switch may be contained within protected type pole, the operating mechanism portion of the breaker and three-station
Divide and may be contained within switch framework；
The breaker major loop part include inlet wire cone conductor, be flexible coupling, insulating pull rod for breaker, vacuum interrupter and
Arc-chutes static side conductor, the circuit breaker operation mechanism part include breaker mechanism；The inlet wire cone conductor, vacuum interrupter
It is cast in the protected type pole with arc-chutes static side conductor；Described inlet wire cone conductor one end is used for spelling cabinet busbar
Connection, the inlet wire cone conductor other end are connected with described one end being flexible coupling；The other end being flexible coupling passes through described
One end of insulating pull rod for breaker is fixedly connected with the moving conductive rod of the vacuum interrupter, the insulating pull rod for breaker it is another
One end is connected with the breaker mechanism, and the breaker mechanism drives the vacuum extinction by the insulating pull rod for breaker
The moving conductive rod of room moves along a straight line；One end phase of the static side conducting rod of the vacuum interrupter and the arc-chutes static side conductor
Even；
The three-station major loop part includes isolation static contact, disconnecting link component, insulating contact seat, outlet cone and leads
Body, three station insulated tension poles, connecting rod and grounding contact, the three-position switch operation mechanism part include isolation-earthing mechanism；
The outlet cone conductor is cast in the protected type pole；The other end of the arc-chutes static side conductor is isolated with described
Static contact is connected；The outlet cone conductor is used to be connected with electricity consumption load equipment, and the insulating contact seat is fixed on the outlet
Bore on conductor, the disconnecting link component is rotatably provided on the insulating contact seat, one end of the three stations insulated tension pole and institute
State the connection of disconnecting link component, the other end of the three stations insulated tension pole by the connecting rod with it is described isolate-earthing mechanism it is defeated
Outlet connects, and the isolation-earthing mechanism can drive the link linear horizontal movement, and the connecting rod is exhausted by three station
Edge pull rod can drive the disconnecting link component to rotate along the insulating contact seat, the disconnecting link component can rotate to it is described
Isolate static contact or grounding contact connection.
Optionally, the junction of the inlet wire cone conductor and the spelling cabinet busbar is provided with shading ring；The vacuum extinction
Room and the junction of the arc-chutes static side conductor are provided with arc-chutes static side shading ring；The outlet cone conductor and the electricity consumption
The link position of load equipment is provided with shading ring.
Optionally, the inlet wire cone conductor is provided with movable end of vacuum arc extinguishing chamber grading ring with the junction being flexible coupling；
The arc-chutes static side conductor is provided with grading ring at static contact with the static contact junction that isolates；The insulating contact seat with
The outlet cone conductor rotation fixed connection place is provided with grading ring at isolation rotation.
Optionally, multiple circular holes are provided with the movable end of vacuum arc extinguishing chamber grading ring；Grading ring at the isolation rotation
On be provided with multiple circular holes；Grading ring is designed with multiple circular holes at the static contact.
Optionally, the insulating pull rod for breaker is to be tightly connected with the breaker mechanism, the connecting rod and described three
Station insulated tension pole connects for dust seal.
Optionally, the disconnecting link component includes blade, stop collar and disconnecting link contact cover, and the blade is two, the limit
Position set is arranged between two blades, for limiting the spacing between two blades, the one of two blades
Two blades and the disconnecting link contact cover are fixed by pin in end, and the other ends of two blades is by pin by two
A blade is with the disconnecting link contact cover rotary setting on the insulating contact seat.
Optionally, the disconnecting link contact cover is provided with for heavy in the pin is coated on the pin junction
Hole.
Optionally, the disconnecting link component further includes disc spring, and the disc spring is arranged at the disconnecting link contact cover and the blade
Between.
Optionally, the three stations insulated tension pole is fixedly connected by axis pin with the disconnecting link component.
Optionally, the outer surface layer of the protected type pole scribbles conductive layer, and the breaker and three stations are opened
The electric field of the major loop of pass carries out bonding.
The present invention achieves following technique effect relative to the prior art：
The present invention provides three station protected type solid insulation vacuum switch module of disconnecting link formula, wherein disconnecting link component integrally fills
Entering switch module, reduce and assembled the problem of not in place because space is small, product reliability is high, and switch major loop assembling parts are few,
Production efficiency is improved, is reduced because of the hidden danger of production error, electric Field Optimization processing, no electric field concentration problem, improves product
Electric property, solve thing problems, such as the protrusion of axis pin and screw can cause electric field to concentrate.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, drawings in the following description are only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structure diagram of the three station protected type solid insulation vacuum switch module of disconnecting link formula in the present invention；
Fig. 2 is the structure diagram of disconnecting link component in the present invention.
Description of reference numerals：1st, protected type pole；2nd, shading ring；3rd, inlet wire cone conductor；4th, it is flexible coupling；5th, vacuum is gone out
Arc chamber moved end grading ring；6th, insulating pull rod for breaker；7th, switch framework；8th, breaker mechanism；9th, grounding contact；10th, isolate-connect
Ground mechanism；11st, pull rod；12nd, three station insulated tension pole；13rd, axis pin；14th, outlet cone conductor；15th, insulating contact seat；16th, isolate
Grading ring at rotation；17th, disconnecting link component；18th, static contact is isolated；19th, grading ring at static contact；20th, arc-chutes static side conductor；
21st, vacuum interrupter；22nd, arc-chutes static side shading ring；23rd, pin；24th, stop collar；25th, disc spring；26th, disconnecting link contact cover；27、
Blade.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1, the present invention provides a kind of three station protected type solid insulation vacuum switch module of disconnecting link formula, main bag
Breaker and three-station are included, the breaker and three-station include major loop part and operating mechanism part, institute
The major loop part for stating breaker and three-station may be contained within protected type pole 1, the breaker and three stations
The operating mechanism part of switch may be contained within switch framework 7.
The breaker major loop part includes inlet wire cone conductor 3, be flexible coupling 4, insulating pull rod for breaker 6, vacuum extinction
Room 21 and arc-chutes static side conductor 20, the circuit breaker operation mechanism part include breaker mechanism 8, and breaker mechanism 8 is set
In in switch framework 7.Inlet wire cone conductor 3, vacuum interrupter 21 and arc-chutes static side conductor 20 are cast in protected type sealing pole
In column 1, in this present embodiment, protected type pole 1 is formed by poured with epoxy resin, design in protected type pole 1
There is cavity, inlet wire cone conductor 3, vacuum interrupter 21 and arc-chutes static side conductor 20 are cast directly in protected type pole 1,
Be flexible coupling 4 and insulating pull rod for breaker 6 be arranged in the cavity of protected type pole 1；Inlet wire cone conductor 3 one end be used for
Spell the connection of cabinet busbar, the other end of inlet wire cone conductor 3 is connected with 4 one end of being flexible coupling；Vacuum interrupter 21 is led including static side
Electric pole and moving conductive rod, 4 other end of being flexible coupling pass through one end of insulating pull rod for breaker 6 and the moving conductive of vacuum interrupter 21
Bar is fixedly connected, and the other end of insulating pull rod for breaker 6 is connected with the output terminal of breaker mechanism 8,8 energy of operating breaker mechanism
The moving conductive rod that insulating pull rod for breaker 6 drives vacuum interrupter 21 is moved along a straight line, realize the division shape of the breaker
State；Core component of the vacuum interrupter 21 as the breaker, vacuum interrupter 21 are internally provided with dynamic/static contact, vacuum
The static side conducting rod of arc-chutes 21 is connected with one end of arc-chutes static side conductor 20.
The three-station major loop part includes isolation static contact 18, disconnecting link component 17, insulating contact seat 15, outlet
Bore conductor 14, three station insulated tension poles 12, connecting rod 11 and grounding contact 9, the three-position switch operation mechanism part include every
From-earthing mechanism 10, isolation-earthing mechanism 10 is arranged in switch framework 7.Outlet cone conductor 14 is cast in protected type sealing pole
In column 1, in this present embodiment, protected type pole 1 is formed by poured with epoxy resin, design in protected type pole 1
There is cavity, outlet cone conductor 14 is directly cast in protected type pole 1, and isolation static contact 18, disconnecting link component 17, isolation are touched
Headstock 15, three station insulated tension poles 12 and grounding contact 9 are arranged in the cavity of protected type pole 1.
The other end of arc-chutes static side conductor 20 is connected with isolating static contact 18；Outlet cone conductor 14 be used for with electric loading
Equipment connects, and insulating contact seat 15 is fixed on outlet cone conductor 14, and disconnecting link component 14 is rotatably provided on insulating contact seat 15,
One end of three station insulated tension poles 12 is connected with disconnecting link component 17, the other ends of three station insulated tension poles 12 by connecting rod 11 with every
From the output terminal connection of-earthing mechanism 10, pass through operation isolation-earthing mechanism 10 and drive 11 straight horizontal of connecting rod to move, connecting rod
11 drive disconnecting link component 17 to rotate along insulating contact seat 15 by three station insulated tension poles 12, to realize disconnecting link component 17
With the connection of isolation static contact 18 or grounding contact 9.
For the ease of the uniform major loop entirety electric field of protected type pole 1, in this present embodiment, protected type pole
1 outer surface scribbles conductive layer ground connection, carries out bonding to the electric field of the major loop of the breaker and three-station, makes
The reliability of product is obviously improved.
In order to optimize electric field transition, eliminate electric field and concentrate, in this present embodiment, company of the inlet wire cone conductor 3 with spelling cabinet busbar
The place of connecing is provided with shading ring 2, and shading ring 2 is cast directly in protected type pole 1；Further, outlet cone conductor 14 is another
One end can install the cable outlet head of solid loop-net cabinet, be connected by the outlet cable head with electricity consumption load equipment, outlet
Cone conductor 14 is installed is also equipped with shading ring 2 at the position of the cable outlet head.
For uniform electric field, avoid electric field from concentrating, in this present embodiment, inlet wire cone conductor 3 and be flexible coupling 4 junction pacify
Equipped with movable end of vacuum arc extinguishing chamber grading ring 5, movable end of vacuum arc extinguishing chamber grading ring 5, which will be flexible coupling, 4 bores conductor 3 and vacuum with inlet wire and goes out
In the fastener of 21 fixation of arc chamber is coated on, in order to further avoid the electric field caused by fastener protrusion from concentrating, improve this
Partial circuit electric field, is provided with several circular holes on movable end of vacuum arc extinguishing chamber grading ring 5, avoids caused by part installation is raised
Electric field is concentrated, and improves this partial circuit electric field.
In order to ensure that the inside cavity conductive component of protected type pole 1 from external environment influence, improves product
Reliability, in this present embodiment, insulating pull rod for breaker 6 and the junction of breaker mechanism 8 do encapsulation process.
In order to optimize electric field transition, electric field is avoided to concentrate, the junction of vacuum interrupter 21 and arc-chutes static side conductor 20
Arc-chutes static side shading ring 22 is provided with, rivet has the shielding of arc-chutes static side in this present embodiment, on arc-chutes static side conductor 20
Ring 22.
In order to optimize electric field transition, electric field is avoided to concentrate, in this present embodiment, arc-chutes static side conductor 20 is with isolating stationary contact
First 18 junction is provided with grading ring 19 at static contact, further, is provided with several circular holes at static contact on grading ring 19,
Avoid the electric field caused by part installation is raised from concentrating, improve this partial circuit electric field.
For uniform electric field, electric field is avoided to concentrate, in this present embodiment, insulating contact seat 15 connects with the rotation of disconnecting link component 17
The place of connecing is provided with grading ring 16 at isolation rotation, and it is preferably to be riveted on insulating contact seat 15 to isolate grading ring 16 at rotation, into
One step, isolate at rotation and be provided with several circular holes on grading ring 16, avoid the electric field caused by part installation is raised from concentrating,
Improve this partial circuit electric field.
In order to ensure the inside cavity conductive component of protected type pole 1 from external environment influence, improving product can
By property, in this present embodiment, connecting rod 11 is connected with three station insulated tension poles 12 for dust seal.
As shown in Fig. 2, in this present embodiment, disconnecting link component 17 includes blade 27, stop collar 24 and disconnecting link contact cover 26, one
Group disconnecting link component 17 includes two blades 27, and stop collar 24 is arranged between two blades 27, for two blades 27 of restriction it
Between spacing, two blades 27 are fixed with disconnecting link contact cover 26 by pin 23 in one end of two blades 27, two blades
27 other end is by pin by two blades 27 and 26 rotary setting of disconnecting link contact cover on insulating contact seat 15.In this implementation
In example, blade 27 is preferably conductive copper piece, and disconnecting link contact cover 26 is preferably aluminum alloy materials.
For the ease of the contact with isolation static contact 18 or grounding contact 9 of disconnecting link component 17, in this present embodiment, two knives
The relative position of piece 27 is provided with salient point.
For uniform electric field, electric field is avoided to concentrate, in this present embodiment, disconnecting link contact cover 26 is provided with pin junction
For the pin to be coated on to interior counterbore.
For the contact resistance for ensureing disconnecting link component 17 with isolating static contact 18 or grounding contact 9, in this present embodiment, knife
Gate assembly 17 further includes disc spring 25, and disc spring 25 is arranged between disconnecting link contact cover 26 and blade 27, and disc spring 25 is used in disconnecting link group
Part 17 provides certain contact pressure when being contacted with isolation static contact 18 or grounding contact 9.
In this present embodiment, three station insulated tension poles 12 are fixedly connected by axis pin 13 with disconnecting link component 17.
By grading ring 16, disconnecting link component 17, axis pin 13, three station insulated tension poles 12 at insulating contact seat 15, isolation rotation
After being assembled with connecting rod 11 on the unified outlet cone conductor 14 being installed in protected type pole 1, avoid because of the small assembling in space
The problem of not in place, product reliability is high, improves production efficiency, reduces because of the hidden danger of production error.
The circuit major loop working status of three station protected type solid insulation vacuum switch module of disconnecting link formula is：Inlet wire cone is led
Body 34 is turned on by being flexible coupling with vacuum interrupter 21, and vacuum interrupter 21 is by arc-chutes static side conductor 20 with isolating static contact
18 conductings, isolation static contact 18 are contacted with disconnecting link component 17, so that isolation static contact 18 and the blade 27 in disconnecting link component 17
Conducting, blade 27 are bored conductor 14 with outlet by insulating contact seat 15 and are turned on；The galvanic circle of switch module conductor is bored by inlet wire
3rd, be flexible coupling 4, vacuum interrupter 21, arc-chutes static side conductor 20, isolation static contact 18, blade 27, insulating contact seat 15, outlet
Cone conductor 14 forms.Its sequence of movement is：First operating breaker mechanism 8, breaker mechanism 8 drive insulating pull rod for breaker 6 straight
Line moves, and insulating pull rod for breaker 6 drives the moving conductive rod of be flexible coupling 4 and vacuum interrupter 21 to move along a straight line, and vacuum is gone out
The moving contact of arc chamber 21 is connected with the static contact of vacuum interrupter 21, and breaker is in closing position, operation isolation-ground connection machine
Structure 10, makes isolation-earthing mechanism 10 drive connecting rod 11 to move along a straight line, and connecting rod 11 drives disconnecting link by three station insulated tension poles 12
Component 17 rotates counterclockwise, and the blade 27 in disconnecting link component 17 is contacted with isolation static contact 18, performance loop completes conducting；
The major loop ground state of three station protected type solid insulation vacuum switch module of disconnecting link formula is：Grounding contact 9 with
Disconnecting link component 17 contacts, so that grounding contact 9 is turned on the blade 27 in disconnecting link component 17, blade 27 passes through insulating contact seat
15 turn on outlet cone conductor 14；The earth-return circuit of switch module is bored by grounding contact 9, blade 27, insulating contact seat 15, outlet
Conductor 14 forms.Its sequence of movement is：First operating breaker mechanism 8, breaker mechanism 8 drive 6 straight line of insulating pull rod for breaker
Movement, insulating pull rod for breaker 6 drive the moving conductive rod of be flexible coupling 4 and vacuum interrupter 21 to move along a straight line, make vacuum extinction
The moving contact of room 21 is separated with the static contact of vacuum interrupter 21, and breaker is in open position, operation isolation-earthing mechanism
10, operation isolation-earthing mechanism 10 drives connecting rod 11 to move along a straight line, and connecting rod 11 drives disconnecting link by three station insulated tension poles 12
Component 17 rotates clockwise, and the blade 27 in disconnecting link component 17 is contacted with grounding contact 9, and earth-return circuit completes conducting；
Breaker mechanism 8 and the design interlocking of isolation-earthing mechanism 10, when ensureing that breaker is in closing position, it is impossible to grasp
Work isolates-earthing mechanism 10, avoids the security incident caused by equipment misoperation.
It should be noted that three station insulated tension poles are not limited to this implementation with the mode that is fixedly connected of disconnecting link component
Example, as long as the connection of three station insulated tension poles and disconnecting link component can be realized；The invention is not limited in disconnecting link in embodiment
The structure of component, embodiment only there is provided a kind of optimal technical scheme, other can realize can rotate to isolate static contact or
The disconnecting link component of grounding contact connection.
Apply specific case in this specification to be set forth the principle of the present invention and embodiment, above example
Explanation be only intended to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, in specific embodiments and applications there will be changes.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of three station protected type solid insulation vacuum switch module of disconnecting link formula, it is characterised in that including breaker and three works
Bit switch, the breaker and three-station include major loop part and operating mechanism part, the breaker and three works
The major loop part of bit switch may be contained within protected type pole, the operating mechanism portion of the breaker and three-station
Divide and may be contained within switch framework；
The breaker major loop part includes inlet wire cone conductor, is flexible coupling, insulating pull rod for breaker, vacuum interrupter and arc extinguishing
Room static side conductor, the circuit breaker operation mechanism part include breaker mechanism；The inlet wire bores conductor, vacuum interrupter and goes out
Arc chamber static side conductor is cast in the protected type pole；Described inlet wire cone conductor one end is used to connect with spelling cabinet busbar
Connect, the inlet wire cone conductor other end is connected with described one end being flexible coupling；The other end being flexible coupling passes through described disconnected
One end of road device insulated tension pole is fixedly connected with the moving conductive rod of the vacuum interrupter, the insulating pull rod for breaker it is another
End is connected with the breaker mechanism, and the breaker mechanism drives the vacuum interrupter by the insulating pull rod for breaker
Moving conductive rod move along a straight line；One end phase of the static side conducting rod of the vacuum interrupter and the arc-chutes static side conductor
Even；
The three-station major loop part includes isolation static contact, disconnecting link component, insulating contact seat, outlet cone conductor, three
Station insulated tension pole, connecting rod and grounding contact, the three-position switch operation mechanism part include isolation-earthing mechanism；It is described
Outlet cone conductor is cast in the protected type pole；The other end of the arc-chutes static side conductor isolates stationary contact with described
Head is connected；The outlet cone conductor is used to be connected with electricity consumption load equipment, and the insulating contact seat is fixed on the outlet cone and leads
On body, the disconnecting link component is rotatably provided on the insulating contact seat, one end and the knife of the three stations insulated tension pole
Gate assembly connects, and the other end of the three stations insulated tension pole isolates the-output terminal of earthing mechanism by the connecting rod with described
Connection, the isolation-earthing mechanism can drive the link linear horizontal movement, and the connecting rod is insulated by three station to be drawn
Bar can drive the disconnecting link component to rotate along the insulating contact seat, and the disconnecting link component, which can be rotated to described, isolates
Static contact or grounding contact connection.
2. three station protected type solid insulation vacuum switch module of disconnecting link formula according to claim 1, it is characterised in that institute
State inlet wire cone conductor and the junction of the spelling cabinet busbar is provided with shading ring；The vacuum interrupter and the arc-chutes static side
The junction of conductor is provided with arc-chutes static side shading ring；The link position of the outlet cone conductor and the electricity consumption load equipment
It is provided with shading ring.
3. three station protected type solid insulation vacuum switch module of disconnecting link formula according to claim 1, it is characterised in that institute
State inlet wire cone conductor and the junction being flexible coupling is provided with movable end of vacuum arc extinguishing chamber grading ring；The arc-chutes static side conductor
The static contact junction that isolates is provided with grading ring at static contact；The insulating contact seat and outlet cone conductor rotation
Fixed connection place is provided with grading ring at isolation rotation.
4. three station protected type solid insulation vacuum switch module of disconnecting link formula according to claim 3, it is characterised in that institute
State and multiple circular holes are provided with movable end of vacuum arc extinguishing chamber grading ring；At the isolation rotation multiple circular holes are provided with grading ring；
Grading ring is designed with multiple circular holes at the static contact.
5. three station protected type solid insulation vacuum switch module of disconnecting link formula according to claim 1, it is characterised in that institute
Insulating pull rod for breaker is stated with the breaker mechanism to be tightly connected, the connecting rod is dust-proof with the three stations insulated tension pole
It is tightly connected.
6. according to any three station protected type solid insulation vacuum switch module of disconnecting link formula in claim 1-5, it is special
Sign is that the disconnecting link component includes blade, stop collar and disconnecting link contact cover, and the blade is two, and the stop collar is set
Between two blades, for limiting the spacing between two blades, pass through pin in one end of two blades
Nail fixes two blades and the disconnecting link contact cover, and the other ends of two blades is by pin by two knives
Piece is with the disconnecting link contact cover rotary setting on the insulating contact seat.
7. three station protected type solid insulation vacuum switch module of disconnecting link formula according to claim 6, it is characterised in that institute
Disconnecting link contact cover is stated to be provided with for the pin to be coated on to interior counterbore with the pin junction.
8. three station protected type solid insulation vacuum switch module of disconnecting link formula according to claim 6, it is characterised in that institute
State disconnecting link component and further include disc spring, the disc spring is arranged between the disconnecting link contact cover and the blade.
9. three station protected type solid insulation vacuum switch module of disconnecting link formula according to claim 1, it is characterised in that institute
Three station insulated tension poles are stated to be fixedly connected with the disconnecting link component by axis pin.
10. three station protected type solid insulation vacuum switch module of disconnecting link formula according to claim 1, it is characterised in that
The outer surface layer of the protected type pole scribbles conductive layer and is grounded, to the major loop of the breaker and three-station
Electric field carry out bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406174.8A CN107993879A (en) | 2017-12-22 | 2017-12-22 | A kind of three station protected type solid insulation vacuum switch module of disconnecting link formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711406174.8A CN107993879A (en) | 2017-12-22 | 2017-12-22 | A kind of three station protected type solid insulation vacuum switch module of disconnecting link formula |
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| Publication Number | Publication Date |
|---|---|
| CN107993879A true CN107993879A (en) | 2018-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711406174.8A Pending CN107993879A (en) | 2017-12-22 | 2017-12-22 | A kind of three station protected type solid insulation vacuum switch module of disconnecting link formula |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109637883A (en) * | 2018-11-19 | 2019-04-16 | 珠海许继电气有限公司 | A kind of switching device |
| CN112103120A (en) * | 2020-09-02 | 2020-12-18 | 宁波木易电气有限公司 | Center positioning device for isolation knife assembly of solid-sealed polar pole |
| CN112185746A (en) * | 2020-10-21 | 2021-01-05 | 深圳市英豪电力科技有限公司 | Three-station operating device |
| CN112289635A (en) * | 2020-12-02 | 2021-01-29 | 协成科技股份有限公司 | Vacuum circuit breaker |
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| CN112289635A (en) * | 2020-12-02 | 2021-01-29 | 协成科技股份有限公司 | Vacuum circuit breaker |
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