CN108735545A - Insulating support, arc extinguishing chamber contact and the arc-chutes of arc suppression coil - Google Patents
Insulating support, arc extinguishing chamber contact and the arc-chutes of arc suppression coil Download PDFInfo
- Publication number
- CN108735545A CN108735545A CN201810614565.7A CN201810614565A CN108735545A CN 108735545 A CN108735545 A CN 108735545A CN 201810614565 A CN201810614565 A CN 201810614565A CN 108735545 A CN108735545 A CN 108735545A
- Authority
- CN
- China
- Prior art keywords
- arc
- coil
- insulating support
- chutes
- suppression coil
- 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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/18—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
Abstract
The present invention relates to the insulating support of arc suppression coil, arc extinguishing chamber contact and arc-chutes.Wherein arc-chutes include arc extinguishing chamber contact, arc extinguishing chamber contact includes contact base, the insulating support on contact base and around the arc suppression coil being located on the peripheral surface of insulating support, insulating support has close to the top of fracture and far from the bottom end of fracture, and the insulating support is equipped with to the coil locating structure that at least a circle coil is positioned along the axial direction of insulating support between the top and bottom end of arc suppression coil.Said program is conducive to each circle marshalling of arc suppression coil, improves winding efficiency and winding mass, and the coil caused by the diameter change of coil-wound parts can be avoided to wind uneven or entanglement.
Description
Technical field
The present invention relates to the insulating support of arc suppression coil, arc extinguishing chamber contact and arc-chutes.
Background technology
With the raising that the transformation of China's urban power distribution network and power supply reliability require, to the demand of ring network power supply equipment
It is further to increase, and propose intelligence, the long-life, high reliability demand.Urban land resource is rare, with switch
The miniaturization of equipment manufacturing technology progress, equipment just becomes following developing direction, and inflatable ring main unit can adapt to this very well
Trend.The arc quenching method of magnetic rotation extinguishing arc has the advantages that connecting-disconnecting function is strong, with long service life, has existed in the prior art
The arc-chutes and on-load switch of extinguishing arc are carried out using magnetic rotation extinguishing arc technology.
For example, publication No. is CN106960755A, date of publication is disclosed in the Chinese invention patent application of 2017.07.18
A kind of contact system and monopole arc-chutes and on-load switch using the contact system, on-load switch includes three-phase monopole arc extinguishing
Room, each monopole arc-chutes are including insulating cylinder and the moving contact and static contact that are arranged in insulating cylinder.As shown in Figure 1, static contact
Including fixed contact pedestal 1, insulating support 2, the static contact finger in insulating support 2 and the extinguishing arc above insulating support 2
Disk 3, is arranged with arc suppression coil 4 on 2 periphery of insulating support, and 4 one end of arc suppression coil and the welding of extinguishing arc disk 3, the other end are tight by coil
Gu screw 5 is fixed on fixed contact pedestal 1.
Although existing on-load switch has the ability for cut-offfing high current, but since 2 shape of insulating support is cylindrical
And smooth outer surface is difficult to wind closely, uniformly when winding arc suppression coil 4 without position limiting structure, time-consuming and laborious, efficiency is low,
If winding is bad, arc-chutes connecting-disconnecting function is influenced.In addition, being tied to cylinder around the arc suppression coil obtained, coil lower end is from arc extinguishing
Farther out, the magnetic field that coil lower end generates when work cannot be fully used room fracture.
Invention content
The purpose of the present invention is to provide a kind of arc-chutes, to solve the installation effect of the arc suppression coil on existing arc-chutes
The problem of rate is low, coil poor location；The present invention also aims to provide the arc extinguishing chamber contact and one used in a kind of arc-chutes
The insulating support of kind arc suppression coil.
To achieve the above object, the present invention in arc-chutes the technical solution adopted is that：
Arc-chutes, including arc extinguishing chamber contact, arc extinguishing chamber contact include contact base, the insulating support on contact base and winding
Arc suppression coil on the peripheral surface of insulating support, insulating support have close to the top of fracture and far from the bottom end of fracture, institute
Insulating support is stated to be equipped with to axial direction of at least circle coil along insulating support between the top and bottom end of arc suppression coil
The coil locating structure positioned.
Advantageous effect：Coil locating structure, which is arranged, to position the correspondence circle between arc suppression coil both ends, even if
Only a circle is positioned, can also play segmenting function, realizes the auxiliary positioning to the coil of the circle axial direction both sides, and it is existing
Technology is compared, and each circle marshalling of arc suppression coil is conducive to, and improves winding efficiency and winding mass, and can avoid due to line
Coil winds uneven or entanglement caused by enclosing the diameter change of wound section.Preferably, coil locating structure may be used
To the coil locating structure that each circle is positioned, the locating effect that can be optimal.
As a kind of perferred technical scheme：The coil locating structure is arranged along the axially spaced-apart of insulating support.
The structure that coil locating structure is arranged many places and is arranged using the axially spaced-apart along insulating support, can realize many places
Positioning, further increases locating effect.
On the basis of coil locating structure is arranged to axially spaced apart form：On the peripheral surface of insulating support
Equipped with for guiding arc suppression coil to be wrapped in the helicla flute on insulating support, the helicla flute forms the coil locating structure.
It can be to the good guidance that is wound of the corresponding circle of arc suppression coil, simple in structure, locating effect using helicla flute
It is good.
On the basis of helicla flute is set：The groove depth of the helicla flute is less than the wire radius of the arc suppression coil.
Arc suppression coil can be made to wind closer using the program, make full use of space, and arc blowout wire can be avoided
Circle is because too deep and impaired in embedded helicla flute.
As a kind of perferred technical scheme：The peripheral surface of insulating support has the coil winding part for arc suppression coil winding
Point, coil winding part is divided into the pyramidal structure that top diameter is more than base diameter.
The spacing that the coil distance fracture of bottom can be reduced using pyramidal structure, so as to make full use of arc suppression coil
Lower end generate magnetic field, the arc extinction performance of arc suppression coil can be improved compared with prior art, or identical in arc extinction performance
In the case of reduce size, save space, and pyramidal structure is easy to process, it is simple in structure.
On the basis of using pyramidal structure：The peripheral surface of the insulating support, which has, is connected to coil-wound parts bottom end
Equal-diameter part.
Setting equal-diameter part can avoid the mutation of insulating support bottom section from leading to stress concentration, while be convenient for arc suppression coil
The cabling of lower part end.
As a kind of perferred technical scheme：The bottom of the insulating support is equipped with for connecting with corresponding contact base
Connecting flange.
Connecting flange, which is arranged, can better adapt to the diameter change of insulating support, be convenient for the fixation of insulating support.
On the basis of connecting flange is set：Contact base is equipped with coil fixing screws, and the connecting flange, which is equipped with, to be used
In the escape port for avoiding the coil fixing screws.
Escape port is set convenient for the end of arc suppression coil is fixed, structure is clean and tidy.
As a kind of perferred technical scheme：The bottom end face of the connecting flange and the top end surface of contact base are wherein
One is equipped with positioning ring groove, another is equipped with the positioning protrusion being adapted to the positioning ring groove, positioning protrusion insertion positioning
In annular groove and with positioning ring groove location fit.
The positioning accuracy that insulating support can be improved using the technical solution ensures the position of arc suppression coil, is conducive to protect
Demonstrate,prove arc extinction performance.
Arc extinguishing chamber contact in the present invention the technical solution adopted is that：
Arc extinguishing chamber contact, including contact base, the insulating support on contact base and around being located on the peripheral surface of insulating support
Arc suppression coil, insulating support have close to fracture top and far from fracture bottom end, the insulating support be equipped with contraposition
An at least circle coil between the top and bottom end of arc suppression coil positions knot along the coil that the axial direction of insulating support is positioned
Structure.
As a kind of perferred technical scheme：The coil locating structure is arranged along the axially spaced-apart of insulating support.
On the basis of coil locating structure is arranged to axially spaced apart form：On the peripheral surface of insulating support
Equipped with for guiding arc suppression coil to be wrapped in the helicla flute on insulating support, the helicla flute forms the coil locating structure.
On the basis of helicla flute is set：The groove depth of the helicla flute is less than the wire radius of the arc suppression coil.
As a kind of perferred technical scheme：The peripheral surface of insulating support has the coil winding part for arc suppression coil winding
Point, coil winding part is divided into the pyramidal structure that top diameter is more than base diameter.
On the basis of using pyramidal structure：The peripheral surface of the insulating support, which has, is connected to coil-wound parts bottom end
Equal-diameter part.
As a kind of perferred technical scheme：The bottom of the insulating support is equipped with for connecting with corresponding contact base
Connecting flange.
On the basis of connecting flange is set：Contact base is equipped with coil fixing screws, and the connecting flange, which is equipped with, to be used
In the escape port for avoiding the coil fixing screws.
As a kind of perferred technical scheme：The end face of one of the connecting flange and contact base is equipped with positioning
Annular groove, another corresponding end surface are equipped with the positioning protrusion being adapted to the positioning ring groove, and positioning protrusion is embedded in positioning ring groove
It is interior and with positioning ring groove location fit.
In the present invention arc suppression coil insulating support the technical solution adopted is that：
The insulating support of arc suppression coil, the insulating support has close to the top of fracture and far from the bottom end of fracture, described exhausted
The axial direction that edge holder is equipped at least circle coil between the top and bottom end of arc suppression coil along insulating support carries out
The coil locating structure of positioning.
As a kind of perferred technical scheme：The coil locating structure is arranged along the axially spaced-apart of insulating support.
On the basis of coil locating structure is arranged to axially spaced apart form：On the peripheral surface of insulating support
Equipped with for guiding arc suppression coil to be wrapped in the helicla flute on insulating support, the helicla flute forms the coil locating structure.
On the basis of helicla flute is set：The helicla flute is arc groove, and the angle corresponding to arc groove is less than semicircle.
As a kind of perferred technical scheme：The peripheral surface of insulating support has the coil winding part for arc suppression coil winding
Point, coil winding part is divided into the pyramidal structure that top diameter is more than base diameter.
On the basis of using pyramidal structure：The peripheral surface of the insulating support, which has, is connected to coil-wound parts bottom end
Equal-diameter part.
As a kind of perferred technical scheme：The bottom of the insulating support is equipped with for connecting with corresponding contact base
Connecting flange.
On the basis of connecting flange is set：The connecting flange is equipped with solid for avoiding the coil being arranged on contact base
Determine the escape port of screw.
As a kind of perferred technical scheme：The insulating support is by epoxy resin one moulding by casting.
Description of the drawings
Fig. 1 is the structural schematic diagram of existing arc-chutes static contact；
Fig. 2 is the structural schematic diagram of the embodiment one of the arc extinguishing chamber contact of the present invention；
Fig. 3 is the front view of insulating support；
Fig. 4 is the sectional view of Fig. 3.
In figure：1- contact bases, 2- insulating supports, 3- extinguishing arcs disk, 4- arc suppression coils, 5- coils fixing screws, 6- fingertips, 7-
Cone body, 71- coil-wound parts, 72- equal-diameter parts, 8- connecting flanges, 9- helicla flutes, 10- escape ports, 11- locating rings
Slot, 12- flange connecting holes, 13- extinguishing arc disk mounting holes, 14- positioning protrusion.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The embodiment one of the arc extinguishing chamber contact of the present invention as shown in Figures 2 to 4, including contact base 1, insulating support 2, disappears
Arc disk 3, arc suppression coil 4 and fingertip 6.Insulating support 2 is whole to be formed by poured with epoxy resin, including cone body 7 and connection method
There is the part that diameter is gradually reduced along the direction of top-to-bottom, the part to be formed and be supplied for orchid 8, the peripheral surface of cone body 7
The coil-wound parts 71 of arc suppression coil winding.In addition, the peripheral surface of cone body 7, which also has, is connected to coil-wound parts 71
The equal-diameter part 72 of bottom end.Connecting flange 8 is arranged close to the miner diameter end of cone body 7, sets that there are three uniformly distributed on connecting flange 8
Flange connecting hole 12 is fixed on by flange connecting hole 12 on contact base 1 between insulation.
The upper surface of insulating support 2 is set there are three equally distributed extinguishing arc disk mounting hole 13, and extinguishing arc disk 3 is fixed on insulation branch
2 top of frame；The inside of insulating support 2 has a cylindrical hole, and less times greater than the outer diameter of fingertip 6, fingertip 6 is mounted on for the diameter of through-hole
In insulating support 2.The peripheral surface of cone body 7 is equipped with helicla flute 9, and arc suppression coil 4 is along helicla flute 9 around being located at insulating support 2
Peripheral surface on, arc suppression coil 4 be copper enameled wire.
One end of arc suppression coil 4 and extinguishing arc disk 3 weld together, and the other end is fixed on contact with by coil fixing screws 5
On seat 1, galvanic circle is formed；Connecting flange 8 is equipped with the escape port 10 for avoiding coil fixing screws 5.Further, even
The lower face of acting flange 8 is equipped with positioning ring groove 11, and the top surface of contact base 1 is equipped with the positioning protrusion being adapted to positioning ring groove 11
14, positioning ring groove 11 and positioning protrusion 14 coordinate when installation, facilitate insulating support 2 fixed on contact base 1.
In order to enable arc suppression coil 4 to be closely wrapped on insulating support 2, the length of coil can determine in advance, disappear
Arc coil 4 rotates winding along the helicla flute 9 on insulating support 2 from top to bottom.It is of course also possible to use longer copper enamel-cover
Line blocks remainder according to demand after the completion of winding.
When on-load switch drop-out current, as moving contact moves up, the part electric arc between dynamic/static contact is by fingertip 6
It is transferred on extinguishing arc disk 3, arc current forms galvanic circle by extinguishing arc disk 3, arc suppression coil 4, contact base 1, to make extinguishing arc
Coil 4 generates magnetic field, and electric arc occurs high speed rotation and to be elongated under the Lorentz force effect in magnetic field, due to the rotation of electric arc,
The ablation of extinguishing arc disk 3 weakens, and finally in current zero-crossing point, electric arc gradually extinguishes.
Compared with the prior art, due to the limit of helicla flute 9, coil will not occur loose phenomenon, be greatly improved coil
Speed of wrap, improve working efficiency, and wind after the completion of, the interval between 4 each section of arc suppression coil is uniform, improves line
Enclose the quality of winding.
In addition, insulating support 2 is pyramidal structure, 4 lower end of arc suppression coil and the distance between arc-chutes fracture are shorter, make to break
Magnetic field at mouthful greatly reinforces, and the Lorentz force of generation also increases, and to make the rotary speed of electric arc increase, arc-chutes cut-off electricity
Stream ability enhances.
In other embodiments, its in addition to helicla flute can also be set on the peripheral surface of the coil-wound parts 71
The location structure of his form is positioned by location structure come the axial direction to the arc suppression coil along insulating support.Such as
Multiple buckles are set on the peripheral surface of insulating support, and each buckle is helically alternatively arranged, by the correspondence of arc suppression coil when assembly
Part is caught in buckle, realizes coil positioning；For another example, by buckle along the axial arranged in rows of insulating support, by each circle arc blowout wire
The part of circle, which is caught in buckle, realizes positioning, or the part of part circle arc suppression coil is caught in buckle and realizes positioning；For another example,
It sets insulating support to the smooth form of peripheral surface, positioning sleeve is arranged on insulating support, is arranged for institute on positioning sleeve
State the location structure that arc suppression coil is positioned along the axial direction of insulating support；For another example, needle-shaped protrusion will be arranged on insulating support to make
For location structure, each circle or part circle of arc suppression coil are positioned along the axial direction of insulating support by needle-shaped protrusion.
In addition, in other embodiments, insulating support can also use cylindrical structure in the prior art.In addition,
In other embodiment, it can also integrally regard cone body as coil winding part, save the equal-diameter part 72 in embodiment one.Separately
Outside, insulating support can also be arranged to split structure, the cone body of insulating support and connecting flange releasable connection, reduced
The manufacture difficulty of insulating support.Furthermore in other embodiments, if be arranged on the moving contact of arc-chutes above-mentioned arc suppression coil and
Insulating support, the arc extinguishing chamber contact in this patent can also be moving contact.
The embodiment of arc-chutes in the present invention, arc-chutes include cylinder and the arc extinguishing chamber contact at cylinder both ends are arranged, go out
Arc extinguishing chamber contact described in any embodiment of arc chamber contact, that is, above-mentioned arc extinguishing chamber contact, details are not described herein again for concrete structure.
The embodiment of the insulating support of arc suppression coil in the present invention, the structure of insulating support are appointed with above-mentioned arc extinguishing chamber contact
The structure of insulating support in one embodiment is identical, and details are not described herein again for concrete structure.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not limited to this hair
It is bright, although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still
The modification for being not required to make the creative labor can be carried out to the technical solution recorded in foregoing embodiments, or to which part
Technical characteristic carries out equivalent replacement.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement
Deng should all be included in the protection scope of the present invention.
Claims (10)
1. arc-chutes, including arc extinguishing chamber contact, arc extinguishing chamber contact include contact base, the insulating support on contact base and around
The arc suppression coil being located on the peripheral surface of insulating support, insulating support have the bottom end close to the top of fracture and separate fracture,
It is characterized in that：The insulating support is equipped at least circle coil between the top and bottom end of arc suppression coil along absolutely
The coil locating structure that the axial direction of edge holder is positioned.
2. arc-chutes according to claim 1, it is characterised in that：The coil locating structure is between the axial direction of insulating support
Every arrangement.
3. arc-chutes according to claim 2, it is characterised in that：The peripheral surface of insulating support is equipped with for guiding extinguishing arc
Coil is wrapped in the helicla flute on insulating support, and the helicla flute forms the coil locating structure.
4. arc-chutes according to claim 3, it is characterised in that：The groove depth of the helicla flute is less than the arc suppression coil
Wire radius.
5. arc-chutes according to claim 1 or 2, it is characterised in that：The peripheral surface of insulating support has for arc suppression coil
The coil-wound parts of winding, coil winding part are divided into the pyramidal structure that top diameter is more than base diameter.
6. arc-chutes according to claim 5, it is characterised in that：The peripheral surface of the insulating support, which has, is connected to coil
The equal-diameter part of wound section bottom end.
7. according to the arc-chutes described in any one of claims 1 to 4 claim, it is characterised in that：The insulating support
Bottom is equipped with the connecting flange for being connected with corresponding contact base.
8. arc-chutes according to claim 7, it is characterised in that：Contact base is equipped with coil fixing screws, the connection
Flange is equipped with the escape port for avoiding the coil fixing screws.
9. arc extinguishing chamber contact, including contact base, the insulating support on contact base and around the peripheral surface for being located at insulating support
On arc suppression coil, insulating support have close to fracture top and far from fracture bottom end, it is characterised in that：The insulation branch
Frame is equipped with and is positioned along the axial direction of insulating support at least circle coil between the top and bottom end of arc suppression coil
Coil locating structure.
10. the insulating support of arc suppression coil, the insulating support has close to the top of fracture and far from the bottom end of fracture, special
Sign is：The insulating support is equipped at least circle coil between the top and bottom end of arc suppression coil along insulation branch
The coil locating structure that the axial direction of frame is positioned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614565.7A CN108735545B (en) | 2018-06-14 | 2018-06-14 | Arc suppression coil's insulating support, explosion chamber contact and explosion chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810614565.7A CN108735545B (en) | 2018-06-14 | 2018-06-14 | Arc suppression coil's insulating support, explosion chamber contact and explosion chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108735545A true CN108735545A (en) | 2018-11-02 |
| CN108735545B CN108735545B (en) | 2020-04-10 |
Family
ID=63929715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810614565.7A Active CN108735545B (en) | 2018-06-14 | 2018-06-14 | Arc suppression coil's insulating support, explosion chamber contact and explosion chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108735545B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331950A (en) * | 2021-06-29 | 2021-09-03 | 杭州德诺脑神经医疗科技有限公司 | Conveying turntable, conduit storage and conveying device and conduit controller |
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| US4273977A (en) * | 1977-08-31 | 1981-06-16 | Mitsubishi Denki Kabushiki Kaisha | Circuit interrupter |
| JPH09320405A (en) * | 1996-05-28 | 1997-12-12 | Takaoka Electric Mfg Co Ltd | Arc-extinguishing chamber |
| CN1224904A (en) * | 1998-01-27 | 1999-08-04 | 施耐德电器公司 | Extinguishing chamber for circuit breaker with self-extinguishing expansion and rotating arc |
| CN102735974A (en) * | 2012-06-29 | 2012-10-17 | 中国科学院电工研究所 | Coil for measuring quench propagation speed of superconductive wire |
| CN105448585A (en) * | 2015-12-04 | 2016-03-30 | 天津平高智能电气有限公司 | Contact assembly of arc-extinguishing chamber and arc-extinguishing chamber using contact assembly |
| CN106158227A (en) * | 2016-08-30 | 2016-11-23 | 贵州新安航空机械有限责任公司 | A kind of electromagnetic valve coil skeleton structure |
| CN106960755A (en) * | 2017-04-05 | 2017-07-18 | 平高集团有限公司 | A kind of contact system and the monopole arc-chutes and on-load switch using the contact system |
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2018
- 2018-06-14 CN CN201810614565.7A patent/CN108735545B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4273977A (en) * | 1977-08-31 | 1981-06-16 | Mitsubishi Denki Kabushiki Kaisha | Circuit interrupter |
| JPH09320405A (en) * | 1996-05-28 | 1997-12-12 | Takaoka Electric Mfg Co Ltd | Arc-extinguishing chamber |
| CN1224904A (en) * | 1998-01-27 | 1999-08-04 | 施耐德电器公司 | Extinguishing chamber for circuit breaker with self-extinguishing expansion and rotating arc |
| CN102735974A (en) * | 2012-06-29 | 2012-10-17 | 中国科学院电工研究所 | Coil for measuring quench propagation speed of superconductive wire |
| CN105448585A (en) * | 2015-12-04 | 2016-03-30 | 天津平高智能电气有限公司 | Contact assembly of arc-extinguishing chamber and arc-extinguishing chamber using contact assembly |
| CN106158227A (en) * | 2016-08-30 | 2016-11-23 | 贵州新安航空机械有限责任公司 | A kind of electromagnetic valve coil skeleton structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113331950A (en) * | 2021-06-29 | 2021-09-03 | 杭州德诺脑神经医疗科技有限公司 | Conveying turntable, conduit storage and conveying device and conduit controller |
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| Publication number | Publication date |
|---|---|
| CN108735545B (en) | 2020-04-10 |
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