CN207097739U - A kind of grid arc extinguishing vacuum load switch - Google Patents
A kind of grid arc extinguishing vacuum load switch Download PDFInfo
- Publication number
- CN207097739U CN207097739U CN201720818556.0U CN201720818556U CN207097739U CN 207097739 U CN207097739 U CN 207097739U CN 201720818556 U CN201720818556 U CN 201720818556U CN 207097739 U CN207097739 U CN 207097739U
- Authority
- CN
- China
- Prior art keywords
- grid
- magnetic metal
- insulation
- metal grid
- 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
Links
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model provides a kind of grid arc extinguishing vacuum load switch, including：Switch bracket, insulating support, spring operating mechanism, insulator 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 contact base；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 the overall support outer of insulation, and insulate overall bearing connection insulating support, is fixed on by insulating support on switch bracket, conducting rod includes striking pin, insulated ring, magnetic metal grid, insulation strut, metal shell, conducting strip；Striking pin is connected with magnetic metal grid upper surface, is set in insulated ring；Magnetic metal grid are arranged on conducting strip, and 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 grid 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 easily to cause part powered during high voltage load switch use, there is provided a kind of
Grid 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 grid arc extinguishing vacuum load switch, including：Switch bracket, insulating support, spring operating mechanism, insulator 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 contact
Seat；Conducting rod bottom is connected with touch pole；Touch pole is connected with spring operating mechanism, is driven by spring operating mechanism；Lead
Electric pole 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 absolutely
Edge entirety support outer, insulate overall bearing connection insulating support, is fixed on by insulating support on switch bracket, conducting rod bag
Include striking pin, insulated ring, magnetic metal grid, insulation strut, metal shell, conducting strip；Striking pin and magnetic metal grid upper surface
Connection, is set in insulated ring；Magnetic metal grid are arranged on conducting strip, and conducting strip is connected with metal shell.
Preferably, magnetic metal grid are made up of more than 3 magnetic metal grid unit stacked on top, magnetic metal grid unit bag
Grid containing magnetic metal and insulating base, magnetic metal grid are arranged in insulating base, and magnetic metal grid material is nickel.
Preferably, the magnetic metal grid is matrix grid.
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, combination striking pin, magnetic metal grid are with leading
Electric piece, electric arc is layered some short arcs, using the nearly cathode effect arc extinguishing of alternating current arc, thus protects other parts, extension device
Service life, improve equipment safety performance.
Brief description of the drawings
Fig. 1 show the grid arc extinguishing vacuum load switch schematic diagram of the utility model embodiment；
Fig. 2 show the structural representation of the grid arc extinguishing vacuum load switch insulator cap of the utility model embodiment；
Fig. 3 show the grid arc extinguishing vacuum load switch conducting rod structural representation of the utility model embodiment；
Fig. 4 show the grid arc extinguishing vacuum load switch magnetic metal grid cellular construction signal of the utility model embodiment
Figure.
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- striking pins；52- magnetic metal grid；53- insulate
Circle；54- conducting strips；55- metal shells；56- insulation struts；500- magnetic metal grid units；501- magnetic metal grid；502-
Insulating base.
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, a kind of grid arc extinguishing vacuum load switch, including：Switch bracket 1, insulation
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 fixed on
The top of switch bracket 1, insulator cap 4 are internally provided with contact base 7；The bottom of conducting rod 5 is connected with touch pole 6；Touch pole 6 and bullet
Spring operating mechanism 3 is connected, and is driven by spring operating mechanism 3；Conducting rod 5 is set in the overall inner side of bearing 8 of insulation, whole with insulating
Body bearing 8 relative can slide up and down；Vacuum interrupter 10 is set in the overall support outer of insulation, and the overall bearing 8 that insulate connects
Insulating support 2, it is fixed on by insulating support 2 on switch bracket 1, conducting rod 5 includes striking pin 51, insulated ring 53, magnetic gold
Belong to grid 52, insulation strut 56, metal shell 55, conducting strip 54；Striking pin 51 is connected with the upper surface of magnetic metal grid 52, magnetic gold
Category grid 52 are set in insulated ring 53；Magnetic metal grid 52 are arranged on conducting strip 54, and conducting strip 54 is connected with metal shell 55
Connect.
Operation principle：Striking pin 51 guides electric arc into magnetic metal grid 52 upper surface, and magnetic metal grid 52 possess magnetic field will
Electric arc is pulled in metal gate, and during electric arc is by magnetic metal grid 52, electric arc is divided into some by magnetic metal grid 52
Small arc, utilize the nearly cathode effect arc extinguishing of alternating current arc.
Further, magnetic metal grid 52 are made up of more than 3 stacked on top of magnetic metal grid unit 500, magnetic metal
Grid unit 500 includes magnetic metal grid 501 and insulating base 502, and magnetic metal grid 501 is arranged in insulating base 502, magnetic
The material of metal grid 501 is nickel.Cellular construction designs the production for facilitating standard component, replacing part is become letter in use
Single, nickel metal has stronger inoxidizability relative to iron as magnetic metal.
Further, the magnetic metal grid 501 is matrix grid.Short arc can be avoided to be pulled to contact direction to transport
Dynamic power makes arc reignition and scaling loss contact.
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, limiting fuse 13 by copper sheet 12 with
Vacuum interrupter 8 is connected.Limiting fuse 13 can be stopped in the short-circuit state with protection equipment, prevent to fire danger
Danger.
Further, limiting fuse 13 is connected with earth plate 14, and connecting lever 15 is connected with earth plate 14, and connecting lever 15 is logical
Insulation thin bar 16 is crossed to be 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, combination striking pin, magnetic metal grid are with leading
Electric piece, electric arc is layered some short arcs, using the nearly cathode effect arc extinguishing of alternating current arc, thus protects other parts, extension device
Service life, improve 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 (6)
1. a kind of grid arc extinguishing vacuum load switch, including：Switch bracket, insulating support, spring operating mechanism, insulator cap, lead
Electric pole, the overall bearing of insulation, vacuum interrupter, the insulator cap are fixed on switch bracket top, and insulator cap is internally provided with tactile
Headstock；The conducting rod bottom is connected with touch pole；The touch pole is connected with spring operating mechanism, by operating machine of the spring
Structure 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 true
Empty arc-chutes are set in the overall support outer of insulation, the overall bearing connection insulating support of insulation, are fixed by insulating support
On switch bracket, it is characterised in that：The conducting rod includes striking pin, insulated ring, magnetic metal grid, insulation strut, metal
Shell, conducting strip；The striking pin is connected with magnetic metal grid upper surface, is set in insulated ring；The magnetic metal grid are set
Put on conducting strip, the conducting strip is connected with metal shell.
2. grid arc extinguishing vacuum load switch according to claim 1, it is characterised in that：The magnetic metal grid are by 3
Above magnetic metal grid unit stacked on top is formed, and the magnetic metal grid unit includes magnetic metal grid and insulating base, institute
Magnetic metal grid is stated to be installed in insulating base；The magnetic metal grid material is nickel.
3. grid arc extinguishing vacuum load switch according to claim 2, it is characterised in that：The magnetic metal grid is recessed
Shape grid.
4. grid arc extinguishing vacuum load switch according to claim 3, it is characterised in that：Terminated under the vacuum interrupter
Mouth is connected with insulated tension pole.
5. grid arc extinguishing vacuum load switch according to claim 4, it is characterised in that：Below the overall bearing of insulation
Limiting fuse is provided with, the limiting fuse is connected by copper sheet with vacuum interrupter.
6. grid arc extinguishing vacuum load switch according to claim 5, it is characterised in that：The limiting fuse and ground connection
Plate 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 |
|---|---|---|---|
| CN201720818556.0U CN207097739U (en) | 2017-07-07 | 2017-07-07 | A kind of grid arc extinguishing vacuum load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720818556.0U CN207097739U (en) | 2017-07-07 | 2017-07-07 | A kind of grid arc extinguishing vacuum load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207097739U true CN207097739U (en) | 2018-03-13 |
Family
ID=61555934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720818556.0U Expired - Fee Related CN207097739U (en) | 2017-07-07 | 2017-07-07 | A kind of grid arc extinguishing vacuum load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207097739U (en) |
-
2017
- 2017-07-07 CN CN201720818556.0U patent/CN207097739U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104145318B (en) | A kind of vacuum interrupter with fixing fracture | |
| CN105280431B (en) | Electromagnetic reluctance pulling force fast arc extinction earthed switch | |
| CN102881493B (en) | Electromagnetic vortex repulsion quick arc extinguishing switch | |
| CN106098477A (en) | A kind of high-voltage DC contactor of band magnetic coil arc extinguishing | |
| CN100394524C (en) | Breaker of large-capacity vacuum short-cut current | |
| CN202839374U (en) | Quick arc-extinguishing switch | |
| CN207097739U (en) | A kind of grid arc extinguishing vacuum load switch | |
| CN201765985U (en) | Resistor step-down arc-suppression button switch | |
| CN204857638U (en) | Prepayment circuit breaker arc initiation device | |
| CN201741639U (en) | AC-operation DC contactor | |
| CN201570397U (en) | Capacitive aging system for vacuum interrupters | |
| CN207097737U (en) | A kind of on-load switch of resistance to vacuum arc | |
| CN107527773B (en) | Universal circuit breaker with arc extinguishing performance | |
| CN207097738U (en) | A kind of air hermetic arc extinguishing vacuum load switch | |
| CN207097740U (en) | A kind of insulated gate arc extinguishing vacuum load switch | |
| CN201918340U (en) | Small-sized circuit breaker | |
| CN101814393A (en) | Vacuum contactor with mixed magnetic field | |
| CN201465887U (en) | Switching switch of high voltage reactive compensation capacitor | |
| CN207200252U (en) | A kind of high reliability high-speed switch type fault current limiter | |
| CN206931530U (en) | A kind of high-pressure vacuum switch of knife with ground | |
| CN204680627U (en) | A kind of electrically with automatic control type contact tight type circuit breaker | |
| CN207282396U (en) | A kind of breaker of high-tension switch gear | |
| CN110970260A (en) | Double-break solid-sealed polar pole for capacitor bank switching | |
| CN206758388U (en) | Breaker | |
| CN104124102A (en) | Novel alternating-current high-voltage vacuum circuit breaker for electrified railway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20180707 |