CN102412085A - Double-break electrical contact device and isolating switch using same - Google Patents
Double-break electrical contact device and isolating switch using same Download PDFInfo
- Publication number
- CN102412085A CN102412085A CN2010102929692A CN201010292969A CN102412085A CN 102412085 A CN102412085 A CN 102412085A CN 2010102929692 A CN2010102929692 A CN 2010102929692A CN 201010292969 A CN201010292969 A CN 201010292969A CN 102412085 A CN102412085 A CN 102412085A
- Authority
- CN
- China
- Prior art keywords
- contact
- moving contact
- guide
- moving
- main shaft
- 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
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Classifications
-
- 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
- H01H9/10—Adaptation for built-in fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/12—Adaptation for built-in fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
-
- 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
- H01H9/40—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
- Gas-Insulated Switchgears (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention provides a double-break electrical contact device, comprising a device body, a driving component, a first static contact, a second static contact, a first moving contact, a second moving contact, a first guide mechanism and a second guide mechanism, wherein the driving component is connected to the device body through a main shaft; the first static contact and the second static contact, the first moving contact and the second moving contact, and the first guide mechanism and the second mechanism are respectively symmetrical about the main shaft; and the driving component can drive the first moving contact and the second moving contact to pivotally synchronously rotate relative to the device body under the guidance of the first guide mechanism and the second guide mechanism respectively, so that the first moving contact and the second moving contact are respectively connected with or disconnected from the first static contact and the second static contact. The invention has the advantage that synchronous breaking of the moving contacts is realized, thereby prolonging the service life of the contact device.
Description
Technical field
The present invention relates to a kind of contact device, particularly relate to a kind of symmetric double outage contact apparatus that is used for the Fuse Type isolating switch.In addition, the invention still further relates to a kind of Fuse Type isolating switch that adopts this symmetric double outage contact apparatus.
Background technology
The Fuse Type isolating switch can be the replacing fuse protection is provided.When the driving stage of isolating switch drove contact apparatus to the open position of contact in extremely, fuse must all be isolated in both sides.For this reason; Most of existing Fuse Type isolating switches all adopt the double break electrical contact; Wherein one type double break electrical contact is called " rotary-type "; Its moving contact, connecting rod and drive rod constitute two quadric chains and share a fixed connection, rotate two other and independently are fixedly connected thereby drive said moving contact.Such double break electrical contact has moving contact and contacts reliable advantage with fixed contact.Yet because two shared fixed connections of quadric chain so the driving angle of two quadric chains is different, cause moving contact non-synchronously to be driven.When the Fuse Type isolating switch breaks off circuit, between the moving contact of Fuse Type isolating switch and the fixed contact generation had the electric arc of thousands of degree high temperature.If the double break electrical contact can not break off synchronously, the erosion that electric arc causes wherein a pair of moving contact and fixed contact will be obviously right greater than another.
Summary of the invention
The objective of the invention is to, a kind of contact device that can break off synchronously is provided and adopts the isolating switch of this contact device.
Said purpose realizes through a kind of double break contact device of the present invention.Said double break contact device comprises device body, actuator, first fixed contact, second fixed contact, first moving contact, second moving contact, first guide and second guide, and wherein said actuator is connected to said device body through main shaft.Said first fixed contact and said second fixed contact, said first moving contact and said second moving contact and said first guide and said second guide are respectively about said main shaft symmetry.Said actuator can drive said first moving contact and said second moving contact and under the guiding of said first guide and said second guide, pivotally rotate synchronously with respect to said device body respectively, thereby closed or break off with said first fixed contact and said second fixed contact respectively.
According to one aspect of the present invention, said first guide comprises first guide rail and first guide groove, and said second guide comprises second guide rail and second guide groove.
According to another aspect of the present invention, said first guide rail and said second guide rail are positioned on the said device body, and said first guide groove and said second guide groove lay respectively on said first moving contact and said second moving contact.
According to one side more of the present invention, said first moving contact and said second moving contact are extension.Said first guide groove and said second guide groove lay respectively at the middle part of said first moving contact and said second moving contact, and identical with the bearing of trend of said first moving contact and said second moving contact.
According to another aspect of the present invention, said double break contact device comprises first conductor and second conductor.One end of said first moving contact and said second moving contact pivotally is connected said first conductor and said second conductor respectively, and the other end is can be respectively closed or break off with said first fixed contact and said second fixed contact.
According to another aspect of the present invention, said double break contact device comprises first connecting rod and second connecting rod.One end of said first connecting rod and said second connecting rod pivotally is connected said actuator respectively in first and second.The other end of said first connecting rod inserts said first guide rail and said first guide groove simultaneously, and the other end of said second connecting rod inserts said second guide rail and said second guide groove simultaneously.
According to another aspect of the present invention, said first guide rail and said second guide rail lay respectively at the both sides of said main shaft, and upwards in alignment with said main shaft in the footpath of said main shaft.
According to another aspect of the present invention, connect a fuse between said first fixed contact and said second fixed contact.
According to another aspect of the present invention, said first with said second both sides that are positioned at said main shaft, and be in a plane with said main shaft.
Said purpose also realizes through a kind of isolating switch of the present invention.Said isolating switch has above-mentioned double break contact device.
The invention has the advantages that: realized the synchronous disconnection of moving contact through parts and guide are set symmetrically; Thereby guaranteed electric arc to the even erosion of contact, prolonged useful life of contact apparatus and simple in structure, also realized reliable contact simultaneously.
Description of drawings
In conjunction with following accompanying drawing, it is clearer that feature and advantage of the present invention will become, parts that wherein identical symbolic representation is identical or device:
Fig. 1 has showed the contact apparatus of the present invention 1 that is in closure state;
Fig. 2 has showed the contact apparatus of the present invention 1 of the state that mediates;
Fig. 3 has showed the contact apparatus of the present invention 1 that is in off-state.
Embodiment
Fig. 1 has showed the contact apparatus of the present invention 1 that is in closure state, and it comprises device body 12, actuator 11, first fixed contact 21, second fixed contact 31, first moving contact 22 and second moving contact 32.Device body 12 for example is the housing of contact apparatus 1, and forms through injection moulding usually.For example for the actuator 11 of cam pivotally is connected the middle part of device body 12 through main shaft 17, and process, thereby guaranteed the electric insulation between first moving contact 22 and second moving contact 32 by insulating material.First fixed contact 21 and second fixed contact 31, first moving contact 22 and second moving contact 32 and first guide and second guide are respectively about main shaft 17 symmetries.The driving mechanism (not shown) that separates the switch drive utmost point will drive actuator 11 and clockwise rotate the open position to Fig. 3 from the make position of Fig. 1, will pass through the centre position of Fig. 2 therebetween.When closed contact apparatus 1, then rotate counterclockwise actuator 11, and pass through the position of Fig. 3 to Fig. 1 in order.The rotation of actuator 11 will drive first connecting rod 15 and second connecting rod 16; And first connecting rod 15 will drive first moving contact 22 respectively with second connecting rod 16 and second moving contact 32 rotates with respect to device body 12; Thereby make first moving contact 22 and the 21 closed or disconnections of first fixed contact, and make second moving contact 32 and the 31 closed or disconnections of second fixed contact.For two pairs of moving contacts and fixed contact are broken off synchronously; The bilateral symmetry of actuator 11 first guide and second guide be set; Make when actuator 11 rotates, first guide and second guide can synchronously guide first moving contact 22 and second moving contact 32 respectively with first fixed contact 21 and almost while closure or the disconnection of second fixed contact 31.First guide comprises first guide rail 13 and first guide groove 24, and said second guide comprises second guide rail 14 and second guide groove 34.
One end pivoting ground of first connecting rod 15 connects actuator 11 in first 18, and an end pivoting ground of second connecting rod 16 connects actuator 11 in second 19.The other end of first connecting rod 15 and second connecting rod 16 has 25 and two pins 35 of axially extended two pins along main shaft 17 respectively in its both sides.Two pins 25 of first connecting rod 15 insert first guide rail 13 and first guide groove 24 simultaneously, and can in first guide rail 13 and first guide groove 24, slide simultaneously.The pin 35 of second connecting rod 16 inserts second guide rail 14 and second guide groove 34 simultaneously, and can in second guide rail 14 and second guide groove 34, slide simultaneously.At this moment, first 18 and second 19 both sides that are positioned at main shaft 17, and the axis of first 18 and second 19 axis and main shaft 17 is in the plane all the time.First guide rail 13 and second guide rail 14 are positioned on the device body 12, and are positioned at the both sides of main shaft 17.In the footpath of main shaft 17 upwards, first guide rail 13, second guide rail 14 and main shaft 17 form straight lines.First guide rail 13 and second guide rail 14 make to drive first moving contacts 22 and the synchronously motion on the direction of said straight line of second moving contact 32 with respect to main shaft 17 symmetrical actuator 11, first connecting rod 15 and second connecting rods 16 equally with respect to main shaft 17 symmetric arrangement.First guide groove 24 and second guide groove 34 lay respectively at the middle part of first moving contact 22 and second moving contact 32, and wherein first moving contact 22 and second moving contact 32 are extension.The bearing of trend of first guide groove 24 and second guide groove 34 is identical with the bearing of trend of first moving contact 22 and second moving contact 32.
According to one embodiment of the present invention, first fixed contact 21 and second fixed contact 31 are fixed to device body 12, and between first fixed contact 21 and second fixed contact 31, connect a fuse.
According to one embodiment of the present invention, an end pivoting ground of first conductor 23 and first moving contact 22 is connected, and an end pivoting ground of second conductor 33 and second moving contact 32 is connected.The other end of first moving contact 22 can or break off with first fixed contact, 21 closures, and the other end of second moving contact 32 can or break off with second fixed contact, 31 closures.
It will be understood by those skilled in the art that also can according to above-mentioned execution mode in opposite direction drive actuator 11 and change to open position or change to make position from open position from make position.
Although more than showed execution mode of the present invention, said execution mode is not intended to show all possible form of the present invention.In addition, the content in this specification is descriptive, and nonrestrictive.Those skilled in the art can make variations and modifications to the content of this specification, and do not depart from the scope of purport of the present invention and claim.
Claims (10)
1. double break contact device; Comprise device body (12), actuator (11), first fixed contact (21), second fixed contact (31), first moving contact (22), second moving contact (32), first guide and second guide, wherein said actuator (11) is connected to said device body (12) through main shaft (17); Said first fixed contact (21) and said second fixed contact (31), said first moving contact (22) and said second moving contact (32) and said first guide and said second guide are respectively about said main shaft (17) symmetry; Said actuator (11) can drive said first moving contact (22) and said second moving contact (32) and under the guiding of said first guide and said second guide, pivotally rotate synchronously with respect to said device body (12) respectively, thus the closed or disconnection with said first fixed contact (21) and said second fixed contact (31) respectively.
2. double break contact device as claimed in claim 1 is characterized in that: said first guide comprises first guide rail (13) and first guide groove (24), and said second guide comprises second guide rail (14) and second guide groove (34).
3. double break contact device as claimed in claim 1; It is characterized in that: said first guide rail (13) and said second guide rail (14) are positioned on the said device body (12), and said first guide groove (24) and said second guide groove (34) lay respectively on said first moving contact (22) and said second moving contact (32).
4. double break contact device as claimed in claim 3 is characterized in that: said first moving contact (22) and said second moving contact (32) are extension; Said first guide groove (24) and said second guide groove (34) lay respectively at the middle part of said first moving contact (22) and said second moving contact (32), and identical with the bearing of trend of said first moving contact (22) and said second moving contact (32).
5. double break contact device as claimed in claim 4 is characterized in that: said double break contact device (1) comprises first conductor (23) and second conductor (33); One end of said first moving contact (22) and said second moving contact (32) pivotally is connected said first conductor (23) and said second conductor (33) respectively, and the other end is can be respectively closed or break off with said first fixed contact (21) and said second fixed contact (32).
6. double break contact device as claimed in claim 4 is characterized in that: said double break contact device (1) comprises first connecting rod (15) and second connecting rod (16); One end of said first connecting rod (15) and said second connecting rod (16) pivotally is connected said actuator (11) respectively in first (18) and second (19); The other end of said first connecting rod (15) inserts said first guide rail (13) and said first guide groove (24) simultaneously, and the other end of said second connecting rod (16) inserts said second guide rail (14) and said second guide groove (34) simultaneously.
7. double break contact device as claimed in claim 6 is characterized in that: said first guide rail (13) and said second guide rail (14) lay respectively at the both sides of said main shaft (17), and upwards in alignment with said main shaft (17) in the footpath of said main shaft (17).
8. double break contact device as claimed in claim 4 is characterized in that: connect a fuse between said first fixed contact (21) and said second fixed contact (31).
9. like the described double break contact device of each claim in the claim 1 to 8, it is characterized in that: said first (15) and said second (16) are positioned at the both sides of said main shaft (17), and are in a plane with said main shaft (17).
10. isolating switch, it is characterized in that: said isolating switch has like the described double break contact device of each claim in the claim 1 to 9.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010292969.2A CN102412085B (en) | 2010-09-20 | 2010-09-20 | Double-break electrical contact device and isolating switch using same |
| DE102011078846A DE102011078846B4 (en) | 2010-09-20 | 2011-07-08 | Double contact piece device for power interruption and circuit breaker using the device in question |
| FR1102278A FR2965094B1 (en) | 2010-09-20 | 2011-07-21 | DEVICE WITH DUAL CONTACT PIECE FOR CURRENT INTERRUPTION AND DISCONNECT USING THE DEVICE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010292969.2A CN102412085B (en) | 2010-09-20 | 2010-09-20 | Double-break electrical contact device and isolating switch using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102412085A true CN102412085A (en) | 2012-04-11 |
| CN102412085B CN102412085B (en) | 2014-09-10 |
Family
ID=45769080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010292969.2A Active CN102412085B (en) | 2010-09-20 | 2010-09-20 | Double-break electrical contact device and isolating switch using same |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN102412085B (en) |
| DE (1) | DE102011078846B4 (en) |
| FR (1) | FR2965094B1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103377849A (en) * | 2012-04-28 | 2013-10-30 | 西门子公司 | Three-phase common-box earthed switch |
| CN103887094A (en) * | 2014-01-16 | 2014-06-25 | 温州奔一电气有限公司 | PV isolation protection switch assembly |
| CN104952663A (en) * | 2014-03-31 | 2015-09-30 | 西门子公司 | Contact head module with fuse for isolation switch and isolation switch |
| CN105336523A (en) * | 2014-06-30 | 2016-02-17 | 西门子公司 | Switching device and linkage mechanism thereof |
| CN105632831A (en) * | 2016-03-29 | 2016-06-01 | 北京赛德高科铁道电气科技有限责任公司 | Earthing switch used inside cabinet |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2937882B1 (en) * | 2014-04-24 | 2018-09-26 | Siemens Aktiengesellschaft | Switch, in particular circuit breaker |
| CN114446700A (en) * | 2021-12-22 | 2022-05-06 | 平高集团有限公司 | Double-break isolating switch |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3047686A (en) * | 1959-09-25 | 1962-07-31 | Westinghouse Electric Corp | Outdoor disconnecting switch |
| US3859611A (en) * | 1972-10-30 | 1975-01-07 | Hazemeijer Bv | Electric switching apparatus |
| EP0199182A2 (en) * | 1985-04-16 | 1986-10-29 | Efen Elektrotechnische Fabrik GmbH | Switchable block |
| CN201038102Y (en) * | 2007-03-22 | 2008-03-19 | 余谋幸 | Three-phase linkage drop-off type fuse |
| CN201247718Y (en) * | 2008-08-30 | 2009-05-27 | 扬州新菱电器有限公司 | Electric operation type fuse isolation switch electric appliance |
| CN101459011A (en) * | 2007-12-14 | 2009-06-17 | 无锡新宏泰电器有限责任公司 | Fuse body group cover for load isolating switch |
| CN201266568Y (en) * | 2008-09-26 | 2009-07-01 | 日本能源服务株式会社 | Closed type air switch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE527965A (en) * | 1953-04-09 | |||
| CH377904A (en) * | 1960-04-22 | 1964-05-31 | Sprecher & Schuh Ag | Isolating switch with switching bridge |
| BE754486A (en) * | 1969-08-16 | 1971-01-18 | Felten & Guilleaume Schaltanl | BRIDGE LOAD DISCONNECTOR |
-
2010
- 2010-09-20 CN CN201010292969.2A patent/CN102412085B/en active Active
-
2011
- 2011-07-08 DE DE102011078846A patent/DE102011078846B4/en active Active
- 2011-07-21 FR FR1102278A patent/FR2965094B1/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3047686A (en) * | 1959-09-25 | 1962-07-31 | Westinghouse Electric Corp | Outdoor disconnecting switch |
| US3859611A (en) * | 1972-10-30 | 1975-01-07 | Hazemeijer Bv | Electric switching apparatus |
| EP0199182A2 (en) * | 1985-04-16 | 1986-10-29 | Efen Elektrotechnische Fabrik GmbH | Switchable block |
| CN201038102Y (en) * | 2007-03-22 | 2008-03-19 | 余谋幸 | Three-phase linkage drop-off type fuse |
| CN101459011A (en) * | 2007-12-14 | 2009-06-17 | 无锡新宏泰电器有限责任公司 | Fuse body group cover for load isolating switch |
| CN201247718Y (en) * | 2008-08-30 | 2009-05-27 | 扬州新菱电器有限公司 | Electric operation type fuse isolation switch electric appliance |
| CN201266568Y (en) * | 2008-09-26 | 2009-07-01 | 日本能源服务株式会社 | Closed type air switch |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103377849A (en) * | 2012-04-28 | 2013-10-30 | 西门子公司 | Three-phase common-box earthed switch |
| CN103377849B (en) * | 2012-04-28 | 2016-08-17 | 西门子公司 | Three-phase combined type isolation earthing switch |
| CN103887094A (en) * | 2014-01-16 | 2014-06-25 | 温州奔一电气有限公司 | PV isolation protection switch assembly |
| CN104952663A (en) * | 2014-03-31 | 2015-09-30 | 西门子公司 | Contact head module with fuse for isolation switch and isolation switch |
| CN104952663B (en) * | 2014-03-31 | 2018-01-26 | 西门子公司 | The contact module and disconnecting switch with fuse for disconnecting switch |
| CN105336523A (en) * | 2014-06-30 | 2016-02-17 | 西门子公司 | Switching device and linkage mechanism thereof |
| CN105336523B (en) * | 2014-06-30 | 2018-03-09 | 西门子公司 | Switching device and its link gear |
| CN105632831A (en) * | 2016-03-29 | 2016-06-01 | 北京赛德高科铁道电气科技有限责任公司 | Earthing switch used inside cabinet |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011078846A1 (en) | 2012-03-22 |
| FR2965094B1 (en) | 2018-04-06 |
| FR2965094A1 (en) | 2012-03-23 |
| CN102412085B (en) | 2014-09-10 |
| DE102011078846B4 (en) | 2012-09-27 |
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| C14 | Grant of patent or utility model | ||
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