CN203423117U - Longitudinal magnetic field arc control device - Google Patents
Longitudinal magnetic field arc control device Download PDFInfo
- Publication number
- CN203423117U CN203423117U CN201320576362.6U CN201320576362U CN203423117U CN 203423117 U CN203423117 U CN 203423117U CN 201320576362 U CN201320576362 U CN 201320576362U CN 203423117 U CN203423117 U CN 203423117U
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- CN
- China
- Prior art keywords
- ring
- copper
- magnetic field
- control device
- fuse
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- Expired - Fee Related
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model relates to a longitudinal magnetic field arc control device, which comprises a copper ring core, a plastic ring, a winding, a hold hoop, a bracket, and a washer, wherein the copper ring core and the plastic ring are concentrically connected together; an arc guide piece is arranged on the copper ring core; outer side faces of the copper ring core and the plastic ring respectively extend outwardly to form a core baffle ring and a plastic baffle ring; the washer is arranged at the inner side of the core baffle ring; the winding is arranged between the washer and the plastic baffle ring around the outer circumferential surfaces of the copper ring core and the plastic ring; the hold hoop is sleeved on the outer surface of the winding; and the bracket is connected to the hold hoop. The longitudinal magnetic field arc control device has the advantages of low cost, safety and reliability, long service life, convenient installation and use and the like, and can be widely used in a load switch with the gas as the insulation medium.
Description
Technical field
The utility model belongs to high voltage electrical apparatus technical field, is specifically related to a kind of longitudinal magnetic field arc-control device for gas insulated load switch.
Background technology
In current middle pressure insulated switch cabinet, generally use SF
6on-load switch, is sealed in one by on-load switch and is full of SF
6in the casing of gas, mainly utilize SF
6the insulation of gas excellence, arc extinction performance, meet close, the switchgear of isolation, ground connection three station functions, have simple in structure, interlocking is reliable, volume is little, maintenance less, the easy advantage such as installation of safety, be applicable to different application scenarios.
Current SF
6on-load switch generally adopts two kinds of arc quenching methods: the one, and arc extinguishing grid pieces mode, maintaining a certain distance with angle an arc-chute is being set with the motion of on-load switch moving knife, in on-load switch separating brake process, electric arc produces between moving knife and arc-chute, utilize arc-chute to cut apart arc extinguishing, this arc quenching method requires high to the installation accuracy of arc-chute, and the life-span is short; The 2nd, adopt the arc blow-out mode of calming the anger, a pneumatic tube is installed near switch moving knife, the nozzle of pneumatic tube is facing to the fracture between moving knife and quiet cutter, and in on-load switch separating brake process, the piston of pneumatic tube and moving knife interlock, by the cold SF in pneumatic tube
6gas sprays to the electric arc between moving knife and quiet cutter from nozzle, elongates, breaks up and cooling extinguish arcs.But because need to adopt linkage, require the separating brake merit of mechanism bigger than normal.
Summary of the invention
The purpose of this utility model is to overcome the defect of prior art, provides a kind of cost low, well behaved longitudinal magnetic field arc-control device.
For achieving the above object, the utility model adopts a kind of longitudinal magnetic field arc-control device, comprise copper ring fuse, plastic hoop, winding, anchor ear, support, packing ring, copper ring fuse and plastic hoop link together with one heart, on copper ring fuse, be provided with and lead arc sheet, the lateral surface of copper ring fuse and plastic hoop stretches out respectively and forms fuse back-up ring and plastics back-up ring, packing ring is arranged on fuse back-up ring inner side, winding is arranged between packing ring and plastics back-up ring around the outer circumference surface of copper ring fuse and plastic hoop, anchor ear is set on the outer surface of winding, and support is connected on anchor ear.
The beneficial effects of the utility model are that longitudinal magnetic field arc-control device adopts unique structural design, during on-load switch separating brake, electric arc between moving knife and quiet cutter, by leading arc sheet, be directed to arc-control device, electric current produces a longitudinal magnetic field consistent with moving knife direction by coil windings, under the effect in magnetic field, make electric arc rotation, when current over-zero, make arc extinction, there is the advantages such as with low cost, safe and reliable, electric life is long and easy to install, can be widely used in and take the on-load switch that gas is dielectric.And the utility model employing plastic hoop and the amalgamation of copper copper ring fuse, only need to packing ring be set in copper ring fuse one side, reduced cost, improved security performance.
The utility model is further set to described copper ring fuse and forms the snap ring suitable with the internal diameter of plastic hoop towards the one side of plastic hoop.By snap ring, can make the connection of plastic hoop and copper ring fuse more reliable and more stable.
The utility model is further set to described support and leads arc sheet and be oppositely arranged on the two sides on the center axial direction of plastic hoop.
It is that copper strips and insulation film coiling form that the utility model winding a kind of is specifically set to described winding, insulation film pad at the turn-to-turn of each circle copper strips as turn-to-turn insulation.
The initiating terminal that the concrete coiling direction of above-mentioned winding is described copper strips and insulation film is all connected on plastic hoop, the initiating terminal of copper strips at the initiating terminal of insulation film along coiling direction 1/4 circle place forward.
It is that the coiling of copper enamelled wire forms that the another kind of the utility model winding is specifically set to described winding.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the utility model embodiment.
Fig. 2 is the stereogram of the utility model embodiment copper ring fuse.
Fig. 3 is the structural representation of the manufacture method of winding in the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1-2, specific embodiment of the utility model is that a kind of longitudinal magnetic field arc-control device comprises copper ring fuse 1, plastic hoop 2, winding 3, anchor ear 4, support 5, packing ring 6, copper ring fuse 1 and plastic hoop 2 link together with one heart by screw 7, copper ring fuse 1 forms the snap ring 11 suitable with the internal diameter of plastic hoop 2 towards the one side of plastic hoop 2, snap ring 11 is stuck in plastic hoop 2, on copper ring fuse 1, be provided with and lead arc sheet 12, the lateral surface of copper ring fuse 1 and plastic hoop 2 stretches out respectively and forms fuse back-up ring 13 and plastics back-up ring 21, packing ring 6 is arranged on fuse back-up ring 13 inner sides, winding 3 is arranged between packing ring 6 and plastics back-up ring 21 around the outer circumference surface of copper ring fuse 1 and plastic hoop 2, anchor ear 4 is set on the outer surface of winding, anchor ear 4 two ends tighten together by bolt 41, support 5 is welded on anchor ear 4, support 5 and the two sides of leading arc sheet 12 and be oppositely arranged on the center axial direction of plastic hoop 2.
As shown in Figure 3, a kind of execution mode of the winding 3 of above-mentioned specific embodiment is that copper strips 31 and insulation film 32 coilings form, the initiating terminal of copper strips 31 and insulation film 32 (33-34) is all connected on plastic hoop, the initiating terminal 33 of copper strips at the initiating terminal 34 of insulation film along coiling direction 1/4 circle place forward, insulation film 32 pads at the turn-to-turn of each circle copper strips 31 as turn-to-turn insulation.Coil windings 3 number of active coils that copper strips 31 and insulation film 32 form are 20 circles, and after coiling, the reserved 3/4 circle copper strips 31 in winding 3 inner sides contacts with copper ring fuse 1; The reserved 3/4 circle copper strips 31 in winding 3 outsides contacts with anchor ear 4.
The another kind of execution mode of the winding 3 of above-mentioned specific embodiment is to be formed by the coiling of copper enamelled wire.
Embodiment of the present utility model can also be made other multi-form variation or changes on the basis of the above description, and these belong to apparent variation or the change that connotation of the present utility model amplifies out and still belong to protection range of the present utility model.
Claims (6)
1. a longitudinal magnetic field arc-control device, it is characterized in that: described longitudinal magnetic field arc-control device comprises copper ring fuse, plastic hoop, winding, anchor ear, support, packing ring, copper ring fuse and plastic hoop link together with one heart, on copper ring fuse, be provided with and lead arc sheet, the lateral surface of copper ring fuse and plastic hoop stretches out respectively and forms fuse back-up ring and plastics back-up ring, packing ring is arranged on fuse back-up ring inner side, winding is arranged between packing ring and plastics back-up ring around the outer circumference surface of copper ring fuse and plastic hoop, anchor ear is set on the outer surface of winding, and support is connected on anchor ear.
2. longitudinal magnetic field arc-control device according to claim 1, is characterized in that: described copper ring fuse forms the snap ring suitable with the internal diameter of plastic hoop towards the one side of plastic hoop.
3. longitudinal magnetic field arc-control device according to claim 1 and 2, is characterized in that: described support and the two sides of leading arc sheet and be oppositely arranged on the center axial direction of plastic hoop.
4. longitudinal magnetic field arc-control device according to claim 1 and 2, is characterized in that: described winding is that copper strips and insulation film coiling form, insulation film pad at the turn-to-turn of each circle copper strips as turn-to-turn insulation.
5. longitudinal magnetic field arc-control device according to claim 1 and 2, is characterized in that: described winding is that the coiling of copper enamelled wire forms.
6. longitudinal magnetic field arc-control device according to claim 4, is characterized in that: the initiating terminal of described copper strips and insulation film is all connected on plastic hoop, the initiating terminal of copper strips at the initiating terminal of insulation film along coiling direction 1/4 circle place forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576362.6U CN203423117U (en) | 2013-09-13 | 2013-09-13 | Longitudinal magnetic field arc control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320576362.6U CN203423117U (en) | 2013-09-13 | 2013-09-13 | Longitudinal magnetic field arc control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423117U true CN203423117U (en) | 2014-02-05 |
Family
ID=50022209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320576362.6U Expired - Fee Related CN203423117U (en) | 2013-09-13 | 2013-09-13 | Longitudinal magnetic field arc control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423117U (en) |
-
2013
- 2013-09-13 CN CN201320576362.6U patent/CN203423117U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20170913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |