CN206907704U - A kind of insulated gate arc extinguishing high voltage load switch - Google Patents
A kind of insulated gate arc extinguishing high voltage load switch Download PDFInfo
- Publication number
- CN206907704U CN206907704U CN201720822605.8U CN201720822605U CN206907704U CN 206907704 U CN206907704 U CN 206907704U CN 201720822605 U CN201720822605 U CN 201720822605U CN 206907704 U CN206907704 U CN 206907704U
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- CN
- China
- Prior art keywords
- insulated gate
- high voltage
- voltage load
- load switch
- insulation
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- 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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Abstract
The utility model provides a kind of insulated gate arc extinguishing high voltage load switch, including：Switch bracket, insulating support, spring operating mechanism, insulator cap, conducting rod, insulation framework, conducting rod include 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 area gradually increases insulating trip from top to bottom；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 security performance of high voltage load switch can be strengthened, the probability of switch-mode metal part live line work is reduced, reduce the fault rate in switch running.
Description
Technical field
High voltage electric equipment technical field is the utility model is related to, more particularly to a kind of insulated gate arc extinguishing high voltage load is opened
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.
In existing high voltage load switch design process, more conducting rods being set with using insulating support for open-close on-off, it is
Increase installation strength is set with a cylindrical metallic skeleton generally on insulating support and is used to protect conducting rod, during long-term use of
It was found that cylindrical metallic skeleton is easily caused local powered, to be leaked electricity during increase use probability, switched due to metallic character
Opening-closing process in contact base on conducting rod and insulator cap easily produce electric arc, electric arc easily causes in conducting rod surface combustion
Conducting rod deforms, and influences the stability of product.Cause failure.
Utility model content
The utility model is to solve the problems, such as arc burning during high voltage load switch use, there is provided a kind of insulated gate goes out
Arc high voltage 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 high voltage load switch, including：Switch bracket, insulating support, spring operating mechanism, insulation
Cap, conducting rod, insulation framework, insulator cap are fixed on switch bracket top, and insulator cap is internally provided with contact base；Conducting rod bottom
It is connected with touch pole；Touch pole is connected with spring operating mechanism, is driven by spring operating mechanism；Conducting rod is set in insulation
In skeleton, relative it can be slided up and down with insulation framework；Insulation framework connects insulating support, and switch is fixed on by insulating support
On support, conducting rod includes U-shaped insulated ring, insulated gate, insulation strut, metal shell, conducting strip；Insulated gate is by central insulation branch
Post and more than three insulating trips are formed, and area gradually increases insulating trip from top to bottom；Insulating trip extension makees circular arc chamfering；Insulated gate
It 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；Lead
Electric piece is connected with metal shell.
Preferably, central insulation pillar is hollow-core construction, is internally provided with cylindrical magnetic iron staff.
Preferably, insulation framework upper end is provided with static contact mounting groove, and installation slot center is provided with through hole；Touch pole is worn
Through hole is crossed, static contact, which is set on touch pole, to be fixed in mounting groove, and insulation framework lower end is provided with triangle and strengthens piece, and triangle is strong
Change piece and be provided with fixing hole, fixing hole connection insulating support, be fixed on by insulating support on switch bracket.
Preferably, insulation framework lower end sets earth plate, combined floodgate plate；Earth plate is L-type, and earth plate mutually interconnects with combined floodgate plate
Insulation framework lower end is bolted on after connecing.
Preferably, static contact is Mume flower contact.
Preferably, insulation framework upper end is provided with connector on fuse；Connector under fuse is provided with combined floodgate plate；
High voltage load switch also includes fuse；Fuse is installed in fuse connector.
Preferably, insulation framework material is polyester engineering plastic.
The beneficial effect of the utility model embodiment is：Set insulation framework to substitute traditional metallic framework, pass through
The structure of insulation framework, enhancing switch the accuracy aligned in opening-closing process and long-term use of stability, strengthen high voltage load
The security performance of switch, the probability of switch-mode metal part live line work is reduced, reduce the fault rate in switch running, improvement is led
Electric pole, by insulated gate elongating arc, accelerate arc extinction, thus protect other parts, extension device service life.
Brief description of the drawings
Fig. 1 show the insulated gate arc extinguishing high voltage load switch schematic diagram of the utility model embodiment；
Fig. 2 show the schematic diagram of the insulated gate arc extinguishing high voltage load switch insulator cap of the utility model embodiment；
Fig. 3 show the insulated gate arc extinguishing high voltage load switch conducting rod structural representation of the utility model embodiment；
Fig. 4 show the insulated gate arc extinguishing high voltage load switch insulated gate structure schematic diagram of the utility model embodiment；
Fig. 5 show the insulated gate arc extinguishing high voltage load switch insulated gate top view of the utility model embodiment；
Fig. 6 show the insulated gate arc extinguishing high voltage load switch insulation framework sectional view of the utility model embodiment；
Fig. 7 show the insulated gate arc extinguishing high voltage load switch earth plate positional structure signal of the utility model embodiment
Figure.
Label declaration：
1- switch brackets；2- insulating supports one；3- spring operating mechanisms；4- insulator caps；5- conducting rods；6- touches
Bar；7- contact bases；9- insulation frameworks；10- combined floodgate plates；11- earth plates；12- insulating supports two；Connected on 21- fuses
Mouthful；Connector under 22- fuses；23- fuses；31- mounting grooves；32- through holes；33- static contacts；41- fixing holes；
42- triangles strengthen piece；51- central insulation pillars；52- insulated gates；53- U-shaped insulated rings；54- conducting strips；Outside 55- metals
Shell；56- insulation struts；500- insulating trips four；502- insulating trips one；503- insulating trips two；504- insulating trips three；505- edge
Piece extension；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 on-load switch of resistance to arc high pressure, including：Switch bracket 1, insulation
Support 2, spring operating mechanism 3, insulator cap 4, conducting rod 5, insulator cap 4 are fixed on the top of switch bracket 1, set inside insulator cap 4
It is equipped with contact base 7；The bottom of conducting rod 5 is connected with touch pole 6；Touch pole 6 is connected with spring operating mechanism 3, is grasped by spring
Make mechanism 3 to drive；High voltage load switch also includes insulation framework 9, and conductive rod set 5 is loaded in insulation framework 9, with insulation framework 9
Relative it can slide up and down；The upper end of insulation framework 9 connects insulating support 1, lower end connection insulating support 12, passes through two insulation
Support is fixed on switch bracket 1.Conducting rod 5 include U-shaped insulated ring 53, insulated gate 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, insulation
Piece 3 504, insulating trip 4 500 4 are set in turn on insulation column 51, and area increases one by one, the insulation of insulating trip 1
Piece extension 505 makees circular arc chamfering；Remaining insulating trip is handled with a sample loading mode, and insulated gate 52 is set in U-shaped insulated ring 53, if
Put on conducting strip 54；The insulating trip 4 500 of insulated gate bottom forms slit with U-shaped insulated ring bottom 510；Conducting strip 54 with
Metal shell 55 is connected.
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.
Please refer to shown in Fig. 6, further, the upper end of insulation framework 9 is provided with static contact mounting groove 31, mounting groove 31
It is provided centrally with through hole 32；Touch pole 6 passes through through hole 32, spacing by static contact 33, and static contact 33 is set on touch pole 6 solid
Due in mounting groove 31, the lower end of insulation framework 9 is provided with triangle and strengthens piece 42, and triangle strengthens piece 42 and is provided with fixing hole 41, Gu
Determine hole 41 and connect insulating support 2 12, be fixed on by insulating support 2 12 on switch bracket 1.The design of mounting groove 31 can wrap
The lower edge of static contact 33 is wrapped up in, avoids switching in opening-closing process, due to point discharge effect, electric arc is produced in the bottom of static contact 33.
Please refer to shown in Fig. 7, further, the lower end of insulation framework 9 sets earth plate 11, combined floodgate plate 10；Earth plate
11 be L-type, and earth plate 11 is bolted on the lower end of insulation framework 9 after being connected with each other with combined floodgate plate 10, connect in conventional design
Floor 11 is separately fixed at the lower end working of plastics both ends of 6 outer skeleton of conducting rod with combined floodgate plate 10 by bolt, and earth plate 11 is with closing
The material of flashboard 10 is copper, and bolt material is steel, and the two resistance is different, is easily generated heat in junction, influences to switch service life.Pass through
Earth plate 11 is connected with the attaching type of combined floodgate plate 10, can strengthen electrical efficiency.
Further, static contact 33 is Mume flower contact.
Further, the upper end of insulation framework 9 is provided with connector 21 on fuse；It is provided with fuse and connects in combined floodgate plate
Interface 22；High voltage load switch also includes fuse 23；Fuse 23 is installed in fuse connector.Connecting fuse 23 can
With protective efficient switch circuit, overload is avoided to cause danger.
Further, the material of insulation framework 9 is polyester engineering plastic.
The beneficial effect of the utility model embodiment is：Set insulation framework to substitute traditional metallic framework, pass through
The structure of insulation framework, enhancing switch the accuracy aligned in opening-closing process and long-term use of stability, strengthen high voltage load
The security performance of switch, the probability of switch-mode metal part live line work is reduced, reduce the fault rate in switch running, improvement is led
Electric pole, by insulated gate elongating arc, accelerate arc extinction, thus protect other parts, extension device service life.
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 (7)
1. a kind of insulated gate arc extinguishing high voltage load switch, including：Switch bracket, insulating support, spring operating mechanism, insulator cap,
Conducting rod, insulation framework, the insulator cap are fixed on switch bracket top, and insulator cap is internally provided with contact base；The conduction
Bar bottom is connected with touch pole；The touch pole is connected with spring operating mechanism, is driven by spring operating mechanism；It is described to lead
Electric pole is set in insulation framework, relative can be slided up and down with insulation framework；The insulation framework connects insulating support, passes through
Insulating support is fixed on switch bracket；It is characterized in that：The conducting rod include U-shaped insulated ring, insulated gate, insulation strut,
Metal shell, conducting strip；The insulated gate is made up of central insulation pillar and more than three insulating trips, and the insulating trip is arrived from above
Lower area gradually increases；The insulating trip extension makees circular arc chamfering；The insulated gate is set in insulated ring, is arranged on conducting strip
On；The insulating trip of the insulated gate bottom forms slit with the U-shaped insulated ring bottom；The conducting strip and metal shell phase
Connection.
2. insulated gate arc extinguishing high voltage load switch according to claim 1, it is characterised in that：The central insulation pillar is
Hollow-core construction, it is internally provided with cylindrical magnetic iron staff.
3. insulated gate arc extinguishing high voltage load switch according to claim 2, it is characterised in that：The insulation framework upper end is set
Static contact mounting groove is equipped with, the installation slot center is provided with through hole；The touch pole set is through the through hole, the static contact
It is set on touch pole and is fixed in mounting groove, the insulation framework lower end is provided with triangle and strengthens piece, and the triangle strengthens piece
Fixing hole is provided with, the fixing hole connects insulating support, is fixed on by insulating support on switch bracket.
4. insulated gate arc extinguishing high voltage load switch according to claim 3, it is characterised in that：The insulation framework lower end is set
Put earth plate, combined floodgate plate；The earth plate is L-type, and the earth plate is bolted on institute after being connected with each other with combined floodgate plate
State insulation framework lower end.
5. insulated gate arc extinguishing high voltage load switch according to claim 4, it is characterised in that：The static contact touches for plum blossom
Head.
6. insulated gate arc extinguishing high voltage load switch according to claim 5, it is characterised in that：The insulation framework upper end is set
It is equipped with connector on fuse；Connector under fuse is provided with the combined floodgate plate；The high voltage load switch also includes molten
Disconnected device；The fuse is installed in fuse connector.
7. the insulated gate arc extinguishing high voltage load switch according to any one in claim 1-6, it is characterised in that：It is described exhausted
Edge skeleton material is polyester engineering plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822605.8U CN206907704U (en) | 2017-07-08 | 2017-07-08 | A kind of insulated gate arc extinguishing high voltage load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720822605.8U CN206907704U (en) | 2017-07-08 | 2017-07-08 | A kind of insulated gate arc extinguishing high voltage load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206907704U true CN206907704U (en) | 2018-01-19 |
Family
ID=61293270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720822605.8U Expired - Fee Related CN206907704U (en) | 2017-07-08 | 2017-07-08 | A kind of insulated gate arc extinguishing high voltage load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206907704U (en) |
-
2017
- 2017-07-08 CN CN201720822605.8U patent/CN206907704U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20180708 |