CN104701067A - Coil embedded-type longitudinal-magnetic vacuum arc extinguishing chamber contact - Google Patents
Coil embedded-type longitudinal-magnetic vacuum arc extinguishing chamber contact Download PDFInfo
- Publication number
- CN104701067A CN104701067A CN201310642019.1A CN201310642019A CN104701067A CN 104701067 A CN104701067 A CN 104701067A CN 201310642019 A CN201310642019 A CN 201310642019A CN 104701067 A CN104701067 A CN 104701067A
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- China
- Prior art keywords
- embedded
- contact
- iron core
- vacuum arc
- static
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Classifications
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6641—Contacts; Arc-extinguishing means, e.g. arcing rings making use of a separate coil
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a coil embedded-type longitudinal-magnetic vacuum arc extinguishing chamber contact, which is characterized in that vacuum arc extinguishing chamber contact cups are embedded with a pair of an embedded-type static coil (3) and an embedded-type moving coil (8) large in wire diameters and few in turns. The embedded-type static coil (3) and the embedded-type moving coil (8) are electrically connected with a moving conductive rod and a static conductive rod. Current passes through the static conductive rod (1), the embedded-type static coil (3), a static contact sheet (5), a moving contact sheet (6), the embedded-type moving coil (8) and the moving conductive rod (10). A longitudinal magnetic field is formed at a fracture region. A moving contact cup and a static contact cup are embedded with an embedded-type static iron core (2) and an embedded-type moving iron core (9) respectively. The coil embedded-type longitudinal-magnetic vacuum arc extinguishing chamber contact has complete contact cups, the mechanical strength is enhanced, the initial opening and closing speed of the contact can be improved, and a positive role is played to enable the vacuum arc extinguishing chamber to be opened successfully.
Description
Technical field
The present invention relates to a kind of vacuum arc-extinguishing chamber contact, particularly relate to a kind of embedded coil type and indulge magnetic vacuum arc control device contact, belong to high-voltage electrical equipment technical field.
Background technology
Existing high voltage vacuum interrupter contact mostly adopts cup-shaped to indulge magnetic and traditional wire ring type indulges magnetic structure of contact terminal, wherein Axial Magnetic Field Vacuum Interrupters with Cup Type contact wall of cup has skewed slot, traditional wire ring type is indulged magnetic vacuum arc control device contact conducting rod and is connected with coiled contact by spoke connecting lever, above two kinds of structure of contact terminal mechanical strengths are weakened greatly, thus affect control contact being divided, closes a floodgate, affect break performance.
Summary of the invention
Object of the present invention is just the problems referred to above solving prior art existence, overcome the defect that existing vacuum arc-extinguishing chamber contact structure exists, provide a kind of embedded coil type rational in infrastructure, compact, that longitudinal magnetic field intensity is large, mechanical strength is high to indulge magnetic vacuum arc control device contact.
The technical solution that the present invention provides is as follows.
A kind of embedded coil type indulges magnetic vacuum arc control device contact, be characterized in that vacuum arc-extinguishing chamber contact cup is embedded with a pair wire diameter large, the embedded dead line circle 3 that the number of turn is few and embedded moving winding 8, embedded dead line circle 3 and embedded moving winding 8 are with dynamic, static conductive rod electrically connects, electric current flows through static conductive rod 1, embedded dead line circle 3, fixed contact sheet 5, moving contact sheet 6, embedded moving winding 8, moving conductive rod 10, a longitudinal magnetic field is formed in fracture area, simultaneously, dynamic, embedded static iron core 2 and embedded dynamic iron core 9 is embedded with respectively in fixed contact cup, embedded static iron core 2 and embedded dynamic iron core 9 have one and runs through groove.
Embedded static iron core 2 and embedded dynamic iron core 9 have high permeability, can strengthen fracture area longitudinal magnetic field intensity.
Embedded dead line circle 3 and embedded moving winding 8 adopt the particle size copper that conductance is high, conduction current performance is good.
What embedded static iron core 2 and embedded dynamic iron core 9 had run through groove can the eddy current effect that causes of weakened field Rapid Variable Design.
After electric pressure improves, by increasing the diameter of the diameter of embedded dead line circle 3 and embedded moving winding 8, the number of turn and embedded static iron core 2 and embedded dynamic iron core 9, to ensure longitudinal magnetic field intensity between contact fracture, meeting and successfully cut-offfing necessary requirement.
The shape of embedded static iron core 2 and embedded dynamic iron core 9 can be changed, and then change longitudinal magnetic field distribution between fracture, form even, non-homogeneous equal distribution, be applicable to each electric pressure flexibly.
Compared with prior art, the invention has the beneficial effects as follows.
1. complete wall of cup, indulges magnetic than traditional cup-shaped and coil type indulges magnetic structure of contact terminal, greatly strengthen contact mechanical strength.
2. along with electric pressure improves, by increasing the diameter of the diameter of embedded coil, the number of turn and embedded iron core, longitudinal magnetic field intensity between contact fracture is ensured.
3. can change the shape of embedded iron core, and then change longitudinal magnetic field distribution between fracture, form even, non-homogeneous equal distribution, be applicable to each electric pressure flexibly.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is static contact structure schematic diagram of the present invention.
Fig. 3 is dynamic and static loop construction schematic diagram of the present invention.
Fig. 4 is static iron core structural representation of the present invention.
Fig. 5 is expansion core structure schematic diagram of the present invention.
Mark in figure: 1-static conductive rod, 2-embedded static iron core, 3-embedded dead line circle, 4-fixed contact cup, 5-fixed contact sheet, 6-moving contact sheet, 7-moving contact cup, 8-embedded moving winding, 9-embedded dynamic iron core, 10-moving conductive rod.
Embodiment
With reference to Fig. 1, static conductive rod 1 electrically connects with fixed contact cup 4 and fixed contact sheet 5, and in like manner, moving conductive rod 10 electrically connects with moving contact cup 7 and moving contact sheet 6.Static conductive rod 1, fixed contact cup 4, fixed contact sheet 5, moving contact sheet 6, moving contact cup 7, moving conductive rod 10 form current flow path when producing electric arc between contact together with electric arc.
With reference to Fig. 2, embedded dead line circle 3 connects with fixed contact cup 4 and fixed contact sheet 5, forms the current flow path producing longitudinal magnetic field.Embedded dead line circle 3 outer surface, with insulating varnish, realizes the insulation between coil and iron core.Contact blade is slotted, and weakens eddy current effect.
With reference to Fig. 3, embedded dead line circle 3 and the direction of rotation of embedded moving winding 8 will ensure that the longitudinal magnetic field direction that the two produces is consistent, and the direction that its coil produces longitudinal magnetic field meets right-handed helix principle.
With reference to Fig. 4, iron core has one and run through groove, weaken eddy current effect.
With reference to Fig. 5, flap and cylindric iron core make to produce uneven longitudinal magnetic field, are beneficial to a certain extent and cut-off.
The course of work of the present invention.
Contact cup of the present invention is embedded with the embedded dead line circle and embedded moving winding that a pair wire diameter is large, the number of turn is few, embedded dead line circle and embedded moving winding electrically connect with dynamic and static conducting rod, electric current flows through static conductive rod, embedded dead line circle, fixed contact sheet, moving contact sheet, embedded moving winding, moving conductive rod, form a longitudinal magnetic field in fracture area, in dynamic and static contact cup, be embedded with embedded static iron core and embedded dynamic iron core respectively.The contact cup that embedded coil type of the present invention indulges magnetic vacuum arc control device contact is complete, and mechanical strength strengthens, and then raising contact divides, combined floodgate initial velocity, successfully cut-offs have positive role to vacuum interrupter.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. an embedded coil type indulges magnetic vacuum arc control device contact, it is characterized in that vacuum arc-extinguishing chamber contact cup is embedded with the embedded dead line circle 3 and embedded moving winding 8 that a pair wire diameter is large, the number of turn is few, embedded dead line circle 3 and embedded moving winding 8 electrically connect with dynamic and static conducting rod, electric current flows through static conductive rod 1, embedded dead line circle 3, fixed contact sheet 5, moving contact sheet 6, embedded moving winding 8, moving conductive rod 10, form a longitudinal magnetic field in fracture area, in dynamic and static contact cup, be embedded with embedded static iron core 2 and embedded dynamic iron core 9 respectively.
2. embedded coil type according to claim 1 indulges magnetic vacuum arc control device contact, it is characterized in that, embedded iron core (2) and embedded iron core (9) have high permeability, can strengthen fracture area longitudinal magnetic field intensity.
3. embedded coil type according to claim 1 indulges magnetic vacuum arc control device contact, it is characterized in that, embedded coil (3) and embedded coil (8) adopt the particle size copper that conductance is high, and conduction current performance is good, reduce heating.
4. embedded coil type according to claim 1 indulges magnetic vacuum arc control device contact, it is characterized in that, embedded iron core (2) and embedded iron core (9) have one and run through groove, can the eddy current effect that causes of weakened field Rapid Variable Design.
5. embedded coil type according to claim 1 indulges magnetic vacuum arc control device contact, it is characterized in that, after electric pressure improves, by increasing the diameter of the diameter of embedded coil (3) and embedded coil (8), the number of turn and embedded iron core (2) and embedded iron core (9), to ensure longitudinal magnetic field intensity between contact fracture, meet and successfully cut-off necessary requirement.
6. embedded coil type according to claim 1 indulges magnetic vacuum arc control device contact, it is characterized in that, change the shape of embedded iron core (2) and embedded iron core (9), and then change longitudinal magnetic field distribution between fracture, form even, non-homogeneous equal distribution, be applicable to each electric pressure flexibly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310642019.1A CN104701067A (en) | 2013-12-04 | 2013-12-04 | Coil embedded-type longitudinal-magnetic vacuum arc extinguishing chamber contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310642019.1A CN104701067A (en) | 2013-12-04 | 2013-12-04 | Coil embedded-type longitudinal-magnetic vacuum arc extinguishing chamber contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104701067A true CN104701067A (en) | 2015-06-10 |
Family
ID=53348082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310642019.1A Pending CN104701067A (en) | 2013-12-04 | 2013-12-04 | Coil embedded-type longitudinal-magnetic vacuum arc extinguishing chamber contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104701067A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531543A (en) * | 2016-12-20 | 2017-03-22 | 西安交通大学 | Iron core type cup-shaped transverse-magnetic contact of vacuum arc extinguishing chamber |
| CN112509856A (en) * | 2020-09-25 | 2021-03-16 | 平高集团有限公司 | Contact coil for generating arc extinguishing magnetic field and vacuum arc extinguishing chamber contact structure |
| CN113097006A (en) * | 2021-03-14 | 2021-07-09 | 郑州大学 | Vacuum arc-extinguishing chamber structure based on radial multi-pole orientation magnetic field regulation and control |
| CN113097006B (en) * | 2021-03-14 | 2024-05-31 | 郑州大学 | Vacuum arc-extinguishing chamber structure based on radial multipole orientation magnetic field regulation and control |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5387771A (en) * | 1993-04-08 | 1995-02-07 | Joslyn Hi-Voltage Corporation | Axial magnetic field high voltage vacuum interrupter |
| CN2264670Y (en) * | 1996-12-03 | 1997-10-15 | 马志刚 | Multi-functional health pen |
| DE19714653A1 (en) * | 1997-04-09 | 1998-10-15 | Abb Patent Gmbh | Contact structure for vacuum switching chamber |
| CN201421798Y (en) * | 2009-05-15 | 2010-03-10 | 宁波晟光电气有限公司 | Contact terminal structure of low-voltage vacuum arc-extinguishing chamber |
| CN102592881A (en) * | 2011-12-09 | 2012-07-18 | 沈阳工业大学 | Disc type laminated gyromagnetic transversely-blowing vacuum arc extinguishing chamber |
| CN102683099A (en) * | 2012-05-31 | 2012-09-19 | 武汉大学 | High-voltage vacuum switch |
-
2013
- 2013-12-04 CN CN201310642019.1A patent/CN104701067A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5387771A (en) * | 1993-04-08 | 1995-02-07 | Joslyn Hi-Voltage Corporation | Axial magnetic field high voltage vacuum interrupter |
| CN2264670Y (en) * | 1996-12-03 | 1997-10-15 | 马志刚 | Multi-functional health pen |
| DE19714653A1 (en) * | 1997-04-09 | 1998-10-15 | Abb Patent Gmbh | Contact structure for vacuum switching chamber |
| CN201421798Y (en) * | 2009-05-15 | 2010-03-10 | 宁波晟光电气有限公司 | Contact terminal structure of low-voltage vacuum arc-extinguishing chamber |
| CN102592881A (en) * | 2011-12-09 | 2012-07-18 | 沈阳工业大学 | Disc type laminated gyromagnetic transversely-blowing vacuum arc extinguishing chamber |
| CN102683099A (en) * | 2012-05-31 | 2012-09-19 | 武汉大学 | High-voltage vacuum switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106531543A (en) * | 2016-12-20 | 2017-03-22 | 西安交通大学 | Iron core type cup-shaped transverse-magnetic contact of vacuum arc extinguishing chamber |
| CN112509856A (en) * | 2020-09-25 | 2021-03-16 | 平高集团有限公司 | Contact coil for generating arc extinguishing magnetic field and vacuum arc extinguishing chamber contact structure |
| CN113097006A (en) * | 2021-03-14 | 2021-07-09 | 郑州大学 | Vacuum arc-extinguishing chamber structure based on radial multi-pole orientation magnetic field regulation and control |
| CN113097006B (en) * | 2021-03-14 | 2024-05-31 | 郑州大学 | Vacuum arc-extinguishing chamber structure based on radial multipole orientation magnetic field regulation and control |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150610 |
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| RJ01 | Rejection of invention patent application after publication |