GB2578010A - A switch for closing a circuit - Google Patents
A switch for closing a circuit Download PDFInfo
- Publication number
- GB2578010A GB2578010A GB1917115.6A GB201917115A GB2578010A GB 2578010 A GB2578010 A GB 2578010A GB 201917115 A GB201917115 A GB 201917115A GB 2578010 A GB2578010 A GB 2578010A
- Authority
- GB
- United Kingdom
- Prior art keywords
- switch
- circuit
- closing
- receiving
- arm
- 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.)
- Granted
Links
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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
-
- 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
- H01H33/182—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
-
- 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
- H01H33/187—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet comprising a hollow annular arc runner and a central contact between which a radially drawn arc rotates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/44—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
- H01H9/443—Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet using permanent magnets
Abstract
A switch for closing a circuit comprising a first electrically conductive switch arm, the first switch arm comprising a first electrical connector and an arcing rod; a second electrically conductive switch arm, the second switch arm comprising a second electrical connector and a receiving receptacle, the receiving receptacle comprising an electrically conductive side wail which extends around a displacement axis to define a receiving volume, the edge of the side wall proximate to the first switch arm defining a receiving mouth; at least one receiving receptacle magnet arranged to provide a magnetic field which extends along the displacement axis within at least a portion of the receiving volume; at least one switch arm being adapted to be displaced relative to the other to switch the switch between open and closed configurations; wherein when the switch is in the open configuration the first and second electrical connectors are spaced apart from each other and the arcing rod is spaced apart from the receiving volume; and wherein when the switch is in the dosed configuration the first and second electrical connectors are in electrical contact with each other and at least part of the arcing rod is received in the receiving volume spaced apart from the side wall; the first and second switch arms being adapted such that as the at least one switch arm is displaced to switch the switch from the open configuration to the closed configuration the distance between the arcing rod and receiving mouth decreases below a predetermined arcing distance before the distance between the first and second electrical connectors decreases below the predetermined arcing distance.
Claims (16)
1. A switch for closing a circuit comprising a first electrically conductive switch arm, the first switch aim comprising a first electrical connector and an arcing rod; a second electrically conductive switch arm, the second switch arm comprising a second electrical connector and a receiving receptacle, the receiving receptacle comprising an electrically conductive side wall which extends around a displacement axis to define a receiving volume, the edge of the side wall proximate to the first switch arm defining a receiving mouth; at least one receiving receptacle magnet arranged to provide a magnetic field which extends along the displacement axis within at least a portion of the receiving volume; at least one switch arm being adapted to be displaced relative to the other to switch the switch between open and closed configurations; wherein when the switch is in the open configuration the first and second electrical connectors are spaced apart from each other and the arcing rod is spaced apart from the receiving volume; and wherein when the switch is in the closed configuration the first and second electrical connectors are in electrical contact with each other and at least part of the arcing rod is received in the receiving volume spaced apart from the side wall; the first and second switch arms being adapted such that as the at least one switch arm is displaced to switch the switch from the open configuration to the Closed configuration the distance between the arcing rod and receiving mouth decreases below a predetermined arcing distance before the distance between the first and second electrical connectors decreases below the predetermined arcing distance.
2. A switch for closing a circuit as claimed in claim 1 wherein the at least one receiving receptacle magnet is a permanent magnet
3. A switch for closing a circuit as daimed in claim 1 wherein the at least one receiving receptacle magnet is an electromagnet.
4. A switch for closing a circuit as claimed in claim 3 wherein the electromagnet comprises at least one coil wrapped around the outside of the receptacle side wall.
5. A switch for closing a circuit as claimed in any one of claims 1 to 4, wherein the second switch arm is connected to an inductive or capacitive load.
6. A switch for dosing a circuit as daimed in any one of claims 1 to 5, further comprising a displacement mechanism for displacing at least one switch arm relative to the other.
7. A switch for closing a circuit as claimed in claim 6, wherein the displacement mechanism is adapted to pivot at least one switch arm about a pivot to switch the switch from an open configuration to a closed configuration
8. A switch for closing a circuit as claimed in claim 6, wherein the displacement mechanism is adapted to displace at least one switch arm linearly to switch the switch from an open configuration to a closed configuration.
9. A switch for closing a circuit as claimed in any one of claims 1 to 8, wherein the arcing rod comprises an electrically conductive bulge at its tip.
10. A switch for closing a circuit as claimed in claim 9, wherein the bulge is spherical.
11, A switch for closing a circuit as claimed in either of claims 9 or 10, further comprising a magnet at least partially arranged in the bulge, the magnet being arranged to provide a magnetic field which extends along the displacement axis.
12. A switch for closing a circuit as claimed in any one of claims 9 to 11, further comprising an electrically insulating cap on the bulge, the cap extending away from the arcing rod.
13. A switch for closing a circuit as claimed in claim 12, when dependent on claim 11, wherein the magnet extends beyond the bulge into the cap.
14. A switch for closing a circuit as claimed in either of claims 9 or 10, further comprising a ferromagnetic material at least partially arranged within the bulge.
15. A switch for closing a circuit as claimed in any one of claims 1 to 14 wherein the side wall is circular in a plane normal to the displacement axis.
16. A switch for closing a circuit as claimed in any one of claims 1 to 15 further comprising a high voltage source connected to the first switch arm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1810176.6A GB201810176D0 (en) | 2018-06-21 | 2018-06-21 | A switch for closing a circuit |
| PCT/GB2019/051527 WO2019243774A1 (en) | 2018-06-21 | 2019-06-03 | A switch for closing a circuit |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB201917115D0 GB201917115D0 (en) | 2020-01-08 |
| GB2578010A true GB2578010A (en) | 2020-04-15 |
| GB2578010B GB2578010B (en) | 2022-03-16 |
Family
ID=63042798
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBGB1810176.6A Ceased GB201810176D0 (en) | 2018-06-21 | 2018-06-21 | A switch for closing a circuit |
| GB1917115.6A Active GB2578010B (en) | 2018-06-21 | 2019-06-03 | A switch for closing a circuit |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBGB1810176.6A Ceased GB201810176D0 (en) | 2018-06-21 | 2018-06-21 | A switch for closing a circuit |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH716463B1 (en) |
| GB (2) | GB201810176D0 (en) |
| WO (1) | WO2019243774A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111986949A (en) * | 2020-07-22 | 2020-11-24 | 国网内蒙古东部电力有限公司电力科学研究院 | Isolating load switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4263487A (en) * | 1980-03-31 | 1981-04-21 | Electrical Equipment, Inc. | Air switch |
| GB2103018A (en) * | 1981-07-02 | 1983-02-09 | Int Standard Electric Corp | Electrical switchgear |
| US6310311B1 (en) * | 1999-08-05 | 2001-10-30 | Gary Hakes | Integrated bushing component |
| DE102008015463B3 (en) * | 2008-03-18 | 2009-09-17 | Siemens Aktiengesellschaft | Permanent magnet extinguishing device for switch-disconnector |
-
2018
- 2018-06-21 GB GBGB1810176.6A patent/GB201810176D0/en not_active Ceased
-
2019
- 2019-06-03 WO PCT/GB2019/051527 patent/WO2019243774A1/en active Application Filing
- 2019-06-03 GB GB1917115.6A patent/GB2578010B/en active Active
- 2019-06-03 CH CH01618/20A patent/CH716463B1/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4263487A (en) * | 1980-03-31 | 1981-04-21 | Electrical Equipment, Inc. | Air switch |
| GB2103018A (en) * | 1981-07-02 | 1983-02-09 | Int Standard Electric Corp | Electrical switchgear |
| US6310311B1 (en) * | 1999-08-05 | 2001-10-30 | Gary Hakes | Integrated bushing component |
| DE102008015463B3 (en) * | 2008-03-18 | 2009-09-17 | Siemens Aktiengesellschaft | Permanent magnet extinguishing device for switch-disconnector |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2578010B (en) | 2022-03-16 |
| WO2019243774A1 (en) | 2019-12-26 |
| CH716463B1 (en) | 2022-07-29 |
| GB201917115D0 (en) | 2020-01-08 |
| GB201810176D0 (en) | 2018-08-08 |
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