CN201845696U - Isolation phase-change switch with vacuum breaks - Google Patents
Isolation phase-change switch with vacuum breaks Download PDFInfo
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- CN201845696U CN201845696U CN2010205688886U CN201020568888U CN201845696U CN 201845696 U CN201845696 U CN 201845696U CN 2010205688886 U CN2010205688886 U CN 2010205688886U CN 201020568888 U CN201020568888 U CN 201020568888U CN 201845696 U CN201845696 U CN 201845696U
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Abstract
The utility model discloses an isolation phase-change switch with vacuum breaks, which comprises a three-phase air switch device and a vacuum switch device, wherein the three-phase air switch device and the vacuum switch device are arranged on a framework, the vacuum switch device comprises three vacuum switch tubes, each vacuum switch tube is communicated with one corresponding phase of circuit in the three-phase air switch device, and the vacuum switch device and the three-phase air switch device share one switch-off and switch-on driving mechanism. In the switch-off operation, the switch-off and switch-on driving mechanism firstly drives the vacuum switch device to be switched off, and then, the three-phase air switch device is driven to be switched off. In the switched-on operation, the three-phase air switch device is firstly driven to be switched on, and then, the vacuum switch device is driven to be switched on. The isolation phase-change switch has a simplified structure, and the work performance is safer and more reliable.
Description
Technical field
The utility model relates to a kind of insulating phase-change switch, particularly a kind of insulating phase-change switch that has the vacuum fracture.
Background technology
In electromagnetic starter and similar electrical control equipment, need to install the total power switch of insulating phase-change switch mostly as equipment.The function of insulating phase-change switch has three aspects: the one, and insulating power supply and load reliably when open position, reliable for guaranteeing, this isolation features will be realized by the air fracture; The 2nd, respectively the reliable conducting of positive and negative both direction (being commutation); The 3rd, can the specified breaking current of disjunction.
Existing insulating phase-change switch mainly contains two kinds of forms: a kind of is the insulating phase-change switch of air type, and another kind is the insulating phase-change switch of vacuum type.Wherein, the insulating phase-change switch breaking capacity of air type is relatively poor, generally can only 3 times of rated current of disjunction, and produce very big electric arc during disjunction, and fail safe is relatively poor, the easy scaling loss of contact, and the life-span is shorter; And the contact of the insulating phase-change switch of vacuum type is to work under vacuum state, and breaking current is big, the outside no electric arc of vacuum tube, the vacuum tube internal arc is little, and contact is difficult for scaling loss, and the life-span is longer, the insulating phase-change switch of vacuum type is used more and more extensive because of above-mentioned advantage.But the general no obvious breakpoint of existing vacuum insulating phase-change switch, and do not have breaking capacity after the adhesion of vacuum tube inside contact, fail safe is relatively poor.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of insulating phase-change switch that has the vacuum fracture, can possess the isolation commutation function of air fracture and the disjunction function of vacuum fracture simultaneously.
The technical scheme that realizes the utility model purpose is: a kind of insulating phase-change switch that has the vacuum fracture, comprise the three-phase air switching device and the vacuum switching device that are installed on the framework, described vacuum switching device comprises three vacuum switch tubes, and a corresponding circuitry phase is communicated with in described each vacuum switch tube and the three-phase air switching device; It is characterized in that: the shared divide-shut brake driving mechanism of described vacuum switching device and three-phase air switching device; During separating brake, described divide-shut brake driving mechanism drives the vacuum switching device separating brake earlier, drives three-phase air switching device separating brake again; During combined floodgate, drive the three-phase air switching device earlier and close a floodgate, drive vacuum switching device again and close a floodgate.
In the such scheme, described three-phase air switching device is the phase changing type air switch with commutation function.
In the such scheme, described divide-shut brake driving mechanism comprises electromagnetic type or the bullet behaviour formula drive unit that is used for driving vacuum switch tube moving conductive terminal, the link gear that is used for driving the rotation of three-phase air switching device operating grip; Described electromagnetic type or bullet behaviour formula drive unit comprise driving main shaft; The top of described link gear links to each other with operating grip in the three-phase air switching device, and terminal then links to each other with driving main shaft; Described driving main shaft moving conductive terminal in driving vacuum switch tube carries out in the divide-shut brake course of action, thereby by operating grip rotation in the link gear drive three-phase air switching device three-phase air switching device is carried out breaking-closing operating.
The utility model will have air fracture switch of isolating the commutation function and the vacuum fracture with electric current breaking capacity and be together in series and make its interlock, substantially, the utility model is in series by air fracture and vacuum fracture, and has the interlock function between the operating mechanism of air fracture and vacuum fracture, drive by same operating physical force, make whole switch when sub-switching operation, the vacuum fracture disconnects earlier, with breaking current; The air fracture disconnects and is separated into the distance of regulation subsequently, to reach the requirement of electrical isolation; Thereby make and the utlity model has safer serviceability reliably.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Reference numeral is: three-phase air switching device 1, vacuum switching device 2, vacuum switch tube 21, moving conductive terminal 211.
Embodiment
(embodiment 1)
Fig. 1 is a kind of structural representation of the present utility model, has shown a kind of embodiment of the present utility model.
Present embodiment is a kind of insulating phase-change switch that has the vacuum fracture, see Fig. 1, comprise the three-phase air switching device 1 and the vacuum switching device 2 that are installed on the framework, described vacuum switching device 2 comprises three vacuum switch tubes 21, and a corresponding circuitry phase is communicated with in described each vacuum switch tube 21 and the three-phase air switching device 1; It is characterized in that: a described vacuum switching device 2 and three-phase air switching device 1 a shared divide-shut brake driving mechanism; During separating brake, described divide-shut brake driving mechanism drives vacuum switching device 2 separating brakes earlier, drives three-phase air switching device 1 separating brake again; During combined floodgate, drive three-phase air switching device 1 earlier and close a floodgate, drive vacuum switching device 2 again and close a floodgate.
Described three-phase air switching device 1 is the phase changing type air switch with commutation function.
Described vacuum switch tube has vacuum interrupter.
Described divide-shut brake driving mechanism comprises electromagnetic type or the bullet behaviour formula drive unit that is used for driving vacuum switch tube 21 moving conductive terminals 211, the link gear that is used for driving the rotation of three-phase air switching device 1 operating grip; Described electromagnetic type or bullet behaviour formula drive unit comprise driving main shaft; The top of described link gear links to each other with operating grip in the three-phase air switching device 1, and terminal then links to each other with driving main shaft; Described driving main shaft moving conductive terminal 211 in driving vacuum switch tube 21 carries out in the divide-shut brake course of action, thereby by operating grip rotation in the link gear drive three-phase air switching device 1 three-phase air switching device 1 is carried out breaking-closing operating.
Present embodiment will have air fracture switch of isolating the commutation function and the vacuum fracture with electric current breaking capacity and be together in series and make its interlock, substantially, present embodiment is in series by air fracture and vacuum fracture, and has the interlock function between the operating mechanism of air fracture and vacuum fracture, drive by same operating physical force, make whole switch when sub-switching operation, the vacuum fracture disconnects earlier, with breaking current; The air fracture disconnects and is separated into the distance of regulation subsequently, to reach the requirement of electrical isolation; Thereby make present embodiment have safer serviceability reliably.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And these belong to conspicuous variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (3)
1. insulating phase-change switch that has the vacuum fracture, comprise the three-phase air switching device (1) and the vacuum switching device (2) that are installed on the framework, described vacuum switching device (2) comprises three vacuum switch tubes (21), and a corresponding circuitry phase is communicated with in described each vacuum switch tube (21) and the three-phase air switching device (1); It is characterized in that: the shared divide-shut brake driving mechanism of described vacuum switching device (2) and three-phase air switching device (1); During separating brake, described divide-shut brake driving mechanism drives vacuum switching device (2) separating brake earlier, drives three-phase air switching device (1) separating brake again; During combined floodgate, drive three-phase air switching device (1) earlier and close a floodgate, drive vacuum switching device (2) again and close a floodgate.
2. the insulating phase-change switch that has the vacuum fracture according to claim 1 is characterized in that: described three-phase air switching device (1) is the phase changing type air switch with commutation function.
3. the insulating phase-change switch that has the vacuum fracture according to claim 1 is characterized in that: described divide-shut brake driving mechanism comprises electromagnetic type or the bullet behaviour formula drive unit that is used for driving vacuum switch tube (21) moving conductive terminal (211), the link gear that is used for driving the rotation of three-phase air switching device (1) operating grip; Described electromagnetic type or bullet behaviour formula drive unit comprise driving main shaft; The top of described link gear links to each other with operating grip in the three-phase air switching device (1), and terminal then links to each other with driving main shaft; Described driving main shaft moving conductive terminal (211) in driving vacuum switch tube (21) carries out in the divide-shut brake course of action, by link gear drive three-phase air switching device (1) thus in the operating grip rotation three-phase air switching device (1) is carried out breaking-closing operating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205688886U CN201845696U (en) | 2010-10-19 | 2010-10-19 | Isolation phase-change switch with vacuum breaks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205688886U CN201845696U (en) | 2010-10-19 | 2010-10-19 | Isolation phase-change switch with vacuum breaks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201845696U true CN201845696U (en) | 2011-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205688886U Expired - Fee Related CN201845696U (en) | 2010-10-19 | 2010-10-19 | Isolation phase-change switch with vacuum breaks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201845696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319159A (en) * | 2014-11-19 | 2015-01-28 | 电光防爆科技股份有限公司 | Three-phase isolating switch |
-
2010
- 2010-10-19 CN CN2010205688886U patent/CN201845696U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319159A (en) * | 2014-11-19 | 2015-01-28 | 电光防爆科技股份有限公司 | Three-phase isolating switch |
| CN104319159B (en) * | 2014-11-19 | 2016-03-23 | 电光防爆科技股份有限公司 | A kind of three-phase isolation switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ANHUI YUTENG VACUUM ELECTRICAL CO., LTD. Free format text: FORMER OWNER: YUEQING YUTENG VACUUM ELECTRICAL CO., LTD. Effective date: 20130508 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325604 WENZHOU, ZHEJIANG PROVINCE TO: 246700 ANQING, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130508 Address after: 246700 Zongyang Economic Development Zone, Anqing, Anhui Patentee after: Anhui Yuteng Vacuum Electrical Co., Ltd. Address before: 325604 Chaoyang Industrial Zone, Yueqing, Zhejiang, Liushi Patentee before: Yueqing Yuteng Vacuum Electrical Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110525 Termination date: 20151019 |
|
| EXPY | Termination of patent right or utility model |