CN207097740U - A kind of insulated gate arc extinguishing vacuum load switch - Google Patents
A kind of insulated gate arc extinguishing vacuum load switch Download PDFInfo
- Publication number
- CN207097740U CN207097740U CN201720820943.8U CN201720820943U CN207097740U CN 207097740 U CN207097740 U CN 207097740U CN 201720820943 U CN201720820943 U CN 201720820943U CN 207097740 U CN207097740 U CN 207097740U
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- CN
- China
- Prior art keywords
- insulated gate
- insulation
- insulating
- insulated
- load switch
- 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.)
- Expired - Fee Related
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model provides a kind of insulated gate arc extinguishing vacuum load switch, including：Switch bracket, insulating support, spring operating mechanism, insulator cap, conducting rod, the overall bearing of insulation, vacuum interrupter, improvement are that conducting rod includes U-shaped insulated ring, insulated gate, insulation strut, metal shell, conducting strip；Insulated gate is made up of central insulation pillar and more than three insulating trips, and insulating trip extension makees circular arc chamfering；Insulated gate is set in insulated ring, is arranged on conducting strip；The insulating trip of insulated gate bottom forms slit with U-shaped insulated ring bottom；Conducting strip is connected with metal shell.By the utility model, the arc extinction performance of high vacuum on-load switch conducting rod can be strengthened, the stability of lifting means, increased the service life.
Description
Technical field
It the utility model is related to high voltage electric equipment technical field, more particularly to a kind of insulated gate arc extinguishing vacuum load switch
Close.
Background technology
High voltage load switch is a kind of electrical equipment of function between primary cut-out and high voltage isolator, high voltage load
Switch is often connected with high-tension fuse to be used cooperatively；For controlling power transformer.High voltage load switch has simple arc extinguishing
Device, because can the certain load current of break-make and overload electric current.But it is unable to interrupting short circuit, thus it typically with
High-tension fuse is used in series, and short-circuit protection is carried out by fuse.
One kind that vacuum load switch belongs in high voltage load switch, arc extinguishing process mainly exists in the closing course of switch
Completed in vacuum interrupter, but conducting rod easily produces electric arc with the contact base on insulator cap in disconnection process, and electric arc is being led
Electric pole surface combustion easily causes conducting rod to deform, and influences the stability of product.
Utility model content
The utility model is to solve the problems, such as to produce electric arc in high voltage load switch disconnection process at conducting rod, there is provided a kind of
Insulated gate arc extinguishing vacuum load switch.
In order to solve the above technical problems, the technical scheme that the utility model provides use is：
A kind of insulated gate arc extinguishing vacuum load switch, including：Switch bracket, insulating support, spring operating mechanism, insulation
Cap, conducting rod, the overall bearing of insulation, vacuum interrupter, insulator cap are fixed on switch bracket top, and insulator cap is internally provided with tactile
Headstock；Conducting rod bottom is connected with touch pole；Touch pole is connected with spring operating mechanism, is driven by spring operating mechanism；
Conducting rod is set on the inside of the overall bearing of insulation, and overall bearing relative can slide up and down with insulating；Vacuum interrupter is set in
Insulate overall support outer, and insulate overall bearing connection insulating support, is fixed on by insulating support on switch bracket, conducting rod
Including U-shaped insulated ring, insulated gate, insulation strut, metal shell, conducting strip；Insulated gate is by central insulation pillar and more than three
Insulating trip is formed, and area gradually increases insulating trip from top to bottom；Insulating trip extension makees circular arc chamfering；Insulated gate is set in insulated ring
It is interior, it is arranged on conducting strip；The insulating trip of insulated gate bottom forms slit with U-shaped insulated ring bottom；Outside conducting strip and metal
Shell phase connects.
Preferably, central insulation pillar is hollow-core construction, is internally provided with cylindrical magnetic iron staff.
Preferably, end interface is connected with insulated tension pole under vacuum interrupter.
Preferably, insulate and be provided with limiting fuse below overall bearing, limiting fuse passes through copper sheet and vacuum extinction
Room is connected.
Preferably, limiting fuse is connected with earth plate, is connected with connecting lever on earth plate, connecting lever by insulate thin bar with
Switch bracket connects.
The beneficial effect of the utility model embodiment is：Conducting rod is improved, by insulated gate elongating arc, accelerates electricity
Expulsion of arc goes out, and thus protects other parts, extension device service life, improves equipment safety performance.
Brief description of the drawings
Fig. 1 show the insulated gate arc extinguishing vacuum load switch schematic diagram of the utility model embodiment；
Fig. 2 show the structural representation of the insulated gate arc extinguishing vacuum load switch insulator cap of the utility model embodiment；
Fig. 3 show the insulated gate arc extinguishing vacuum load switch conducting rod structural representation of the utility model embodiment；
Fig. 4 show the insulated gate arc extinguishing vacuum load switch insulated gate structure schematic diagram of the utility model embodiment；
Fig. 5 show the insulated gate arc extinguishing vacuum load switch insulated gate top view of the utility model embodiment.
Label declaration：
1- switch brackets；2- insulating supports；3- spring operating mechanisms；4- insulator caps；5- conducting rods；6- touch poles；7- is touched
Headstock；The overall bearing of 8- insulation；13- limiting fuses；10- vacuum interrupters；End interface under 11- vacuum interrupters；12- copper
Piece；14- earth plates；15- connecting levers；16- insulation thin bars；24- insulated tension poles；51- central insulation pillars；52- insulated gates；53-U shapes
Insulated ring；54- conducting strips；55- metal shells；56- insulation struts；500- insulating trips four；502- insulating trips one；503- insulating trips
Two；504- insulating trips three；505- embolium extensions；510-U shape insulated rings bottom；501- bar magnets.
Embodiment
For detailed description technology contents of the present utility model, the objects and the effects, below in conjunction with embodiment and match somebody with somebody
Accompanying drawing is closed to be explained.
Please refer to shown in Fig. 1,2,3,4,5, a kind of insulated gate arc extinguishing vacuum load switch, including：Switch bracket 1,
Insulating support 2, spring operating mechanism 3, insulator cap 4, conducting rod 5, the overall bearing 8 of insulation, vacuum interrupter 10, insulator cap 4 are solid
The top of switch bracket 1 is scheduled on, insulator cap 4 is internally provided with contact base 7；The bottom of conducting rod 5 is connected with touch pole 6；Touch
Bar 6 is connected with spring operating mechanism 3, is driven by spring operating mechanism 3；Conducting rod 5 is set in the overall inner side of bearing 8 of insulation,
Overall bearing 8 relative can slide up and down with insulating；Vacuum interrupter 10 is set in the overall support outer of insulation, and insulation is overall
Bearing 8 connects insulating support 2, is fixed on by insulating support 2 on switch bracket 1, and conducting rod 5 includes U-shaped insulated ring 53, insulation
Grid 52, insulation strut 56, metal shell 55, conducting strip 54；Insulated gate 52 is made up of central insulation pillar 51 and 4 insulating trips,
Insulating trip 1, insulating trip 2 503, insulating trip 3 504, insulating trip 4 500 4 are set in turn on insulation column 51, face
Product increases one by one, and the insulating trip extension 505 of insulating trip 1 makees circular arc chamfering；Remaining insulating trip is handled with a sample loading mode, absolutely
Edge grid 52 are set in U-shaped insulated ring 53, are arranged on conducting strip 54；The insulating trip 4 500 of insulated gate bottom insulate with U-shaped
Enclose bottom 510 and form slit；Conducting strip 54 is connected with metal shell 55.
Operation principle：Because the insulating trip 4 500 of insulated gate bottom forms slit with U-shaped insulated ring bottom 510；Electric arc
Conducting strip 54 can not be directly contacted directly through headroom, the shortest path of electric arc needs to crawl toward via the surface of insulating base 52
The conducting strip 54 of bottom, the elongating arc in limited space, accelerate arc extinction.
Further, central insulation pillar 51 is hollow-core construction, is internally provided with cylindrical magnetic iron staff 501.Magnet is set
Rod 501.Surrounding space is produced magnetic field, hold electric arc by magnetic field force, prevent that electric arc is excessive.
Further, end interface 11 is connected with insulated tension pole 24 under vacuum interrupter.Thus the stabilization of attachment structure is lifted
Property.
Further, the lower section of overall bearing 8 of insulating is provided with limiting fuse 13, and limiting fuse 13 passes through copper sheet 12
It is connected with vacuum interrupter 8.Limiting fuse 13 can be stopped in the short-circuit state with protection equipment, prevent to fire
It is dangerous.
Further, limiting fuse 13 is connected with earth plate 14, and connecting lever 15, connecting lever 15 are connected with earth plate 14
By insulating, thin bar 16 is connected with switch bracket 1.Connecting lever 15 can produce high fever in short circuit, and fusing insulation thin bar 16 takes off switch
Button, disconnecting circuit, protection equipment is in itself.
The beneficial effect of the utility model embodiment is：Conducting rod is improved, by insulated gate elongating arc, accelerates electricity
Expulsion of arc goes out, and thus protects other parts, extension device service life, improves equipment safety performance.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalents made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in the technology neck of correlation
Domain, similarly it is included in scope of patent protection of the present utility model.
Claims (5)
1. a kind of insulated gate arc extinguishing vacuum load switch, including：Switch bracket, insulating support, spring operating mechanism, insulator cap,
Conducting rod, the overall bearing of insulation, vacuum interrupter, the insulator cap are fixed on switch bracket top, and insulator cap is internally provided with
Contact base；The conducting rod bottom is connected with touch pole；The touch pole is connected with spring operating mechanism, is operated by spring
Mechanism drives；The conducting rod is set on the inside of the overall bearing of insulation, and overall bearing relative can slide up and down with insulating；It is described
Vacuum interrupter is set in the overall support outer of insulation, the overall bearing connection insulating support of insulation, is consolidated by insulating support
It is scheduled on switch bracket, it is characterised in that：The conducting rod includes U-shaped insulated ring, insulated gate, insulation strut, metal shell, led
Electric piece；The insulated gate is made up of central insulation pillar and more than three insulating trips, and area is gradual from top to bottom for the insulating trip
Increase；The insulating trip extension makees circular arc chamfering；The insulated gate is set in insulated ring, is arranged on conducting strip；It is described exhausted
The insulating trip of edge grid bottom forms slit with the U-shaped insulated ring bottom；The conducting strip is connected with metal shell.
2. insulated gate arc extinguishing vacuum load switch according to claim 1, it is characterised in that：The central insulation pillar
For hollow-core construction, cylindrical magnetic iron staff is internally provided with.
3. insulated gate arc extinguishing vacuum load switch according to claim 2, it is characterised in that：The vacuum interrupter lower end
Interface is connected with insulated tension pole.
4. insulated gate arc extinguishing vacuum load switch according to claim 3, it is characterised in that：Under the overall bearing of insulation
Side is provided with limiting fuse, and the limiting fuse is connected by copper sheet with vacuum interrupter.
5. insulated gate arc extinguishing vacuum load switch according to claim 4, it is characterised in that：The limiting fuse is with connecing
Floor is connected, and connecting lever is connected with the earth plate, and the connecting lever is connected by the thin bar that insulate with switch bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720820943.8U CN207097740U (en) | 2017-07-08 | 2017-07-08 | A kind of insulated gate arc extinguishing vacuum load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720820943.8U CN207097740U (en) | 2017-07-08 | 2017-07-08 | A kind of insulated gate arc extinguishing vacuum load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207097740U true CN207097740U (en) | 2018-03-13 |
Family
ID=61556147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720820943.8U Expired - Fee Related CN207097740U (en) | 2017-07-08 | 2017-07-08 | A kind of insulated gate arc extinguishing vacuum load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207097740U (en) |
-
2017
- 2017-07-08 CN CN201720820943.8U patent/CN207097740U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20180708 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |