CN204596645U - A kind of diverter switch mounting structure - Google Patents
A kind of diverter switch mounting structure Download PDFInfo
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- CN204596645U CN204596645U CN201520083956.2U CN201520083956U CN204596645U CN 204596645 U CN204596645 U CN 204596645U CN 201520083956 U CN201520083956 U CN 201520083956U CN 204596645 U CN204596645 U CN 204596645U
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Abstract
A kind of diverter switch mounting structure disclosed in the utility model, the three-phase single, double side contact comprising three-phase main contact, three-phase moving contact and be connected with selector, it also comprises upper and lower circular clamping plate, described three-phase main contact and three-phase single, double side contact are arranged between upper and lower plectane, between every phase main contact with this mutually single, double side contact, adopt the first and second dividing plates to isolate; The third and fourth dividing plate isolation is adopted between the single, double side contact of adjacent phase.Because three-phase main contact of the present utility model and three-phase single, double side contact adopt upper and lower circular clamping plate assembling, make diverter switch solid and reliable, be specially adapted to big current composite type diverter switch.Between every phase main contact and single, double side contact, there is dividing plate to separate in addition, increase inter-stage dielectric strength; There is two dividing plate alternate, improve phase insulation.
Description
Technical field
The utility model relates to sub-connecting switch of transformer technical field, particularly a kind of diverter switch mounting structure of vacuum on-load operation switch switch core.
Background technology
Shunting switch is the tapping by changing connection transformer, changes the turn ratio of the primary and secondary winding of transformer, thus reaches the object changing transformer output voltage.
Composite vacuum on load tap changer divides according to operation principle and is made up of (see Fig. 1) two parts, i.e. tap selector C and diverter switch D, when switch is converted into the conducting of N+1 tap from N tap conducting (N → N+1), contact as being connected with the contact A in diverter switch D in tap selector C in Fig. 1 is former to be connected with 3 taps (contact), downconvert in currentless situation and be connected with 5 taps (contact), the moving contact F that then diverter switch D is connected with main contact E is transformed into contact A from contact B again.Such switch just completes the conversion being switched to 5 tap electrical connections from 4.
But at present between switch main contact E and one-sided contact A and the contact B of bilateral, dielectric strength is low, and installation steadiness between main contact E and one-sided contact A and the contact B of bilateral is also slightly poor.
Utility model content
Technical problem to be solved in the utility model is for dielectric strength between existing current main contact E and one-sided contact A and the contact B of bilateral low, and installation steadiness between main contact E and one-sided contact A and the contact B of the bilateral also problem such as slightly poor and provide a kind of diverter switch mounting structure.In this diverter switch mounting structure, between main contact E and one-sided contact A and the contact B of bilateral, dielectric strength is high.
Technical problem to be solved in the utility model can be achieved through the following technical solutions:
A kind of diverter switch mounting structure, the three-phase single, double side contact comprising three-phase main contact, three-phase moving contact and be connected with selector, it is characterized in that, also comprise upper and lower circular clamping plate, described three-phase main contact and three-phase single, double side contact are arranged between described upper and lower plectane, wherein said three-phase main contact is by 120 ° of circle distribution, and the one-sided contact of three-phase is by 120 ° of circle distribution, and three-phase double-sided contact tip is also by 120 ° of circle distribution; Every mutually in one-sided contact and double-sided contact tip be symmetrically distributed in the left and right sides of this phase main contact described in a circumferential direction; Every phase moving contact is horn contacts also by 120 ° of circle distribution, every phase horn contacts to be arranged on this phase main contact described by a vertical shaft and to realize being electrically connected with this phase main contact by being flexible coupling, every phase horn contacts turns round around described vertical shaft under the drive of the shifting fork mechanism of correspondence, makes one end of this phase horn contacts and described one-sided contact realize being electrically connected or making the other end of this phase horn contacts and described double-sided contact tip to realize being electrically connected; Between every phase main contact with this mutually single, double side contact, adopt the first and second dividing plates to isolate; The third and fourth dividing plate isolation is adopted between the single, double side contact of adjacent phase.
Owing to have employed technical scheme as above, three-phase main contact of the present utility model and three-phase single, double side contact adopt upper and lower circular clamping plate assembling, make diverter switch solid and reliable, are specially adapted to big current composite type diverter switch.Between every phase main contact and single, double side contact, there is dividing plate to separate in addition, increase inter-stage dielectric strength; There is two dividing plate alternate, improve phase insulation.
Accompanying drawing explanation
Fig. 1 is that vacuum on-load operation switch simplifies circuit theory diagrams.
Fig. 2 is the schematic diagram of the utility model diverter switch mounting structure.
Fig. 3 is the structural representation after the utility model diverter switch mounting structure removes upper circular clamping plate.
Embodiment
The utility model is further described below in conjunction with the drawings and specific embodiments.
See Fig. 2 and Fig. 3, a kind of diverter switch mounting structure provided in figure, comprises three-phase main contact 100A, 100B, 100C, three-phase horn contacts 200A, 200B, 200C and the one-sided contact 300A of three-phase be connected with selector (not shown), 300B, 300C, three-phase double-sided contact tip 400A, 400B, 400C.
This diverter switch mounting structure also comprises upper and lower circular clamping plate 500,600, three-phase main contact 100A, 100B, 100C, three-phase one-sided contact 300A, 300B, 300C, three-phase double-sided contact tip 400A, 400B, 400C are arranged between upper and lower plectane 500,600, wherein three-phase main contact 100A, 100B, 100C are by 120 ° of circle distribution, three-phase one-sided contact 300A, 300B, 300C are by 120 ° of circle distribution, and three-phase double-sided contact tip 400A, 400B, 400C are also by 120 ° of circle distribution; Every mutually in one-sided contact 300A, 300B, 300C and double-sided contact tip 400A, 400B, 400C be symmetrically distributed in the left and right sides of this phase main contact 100A, 100B, 100C in a circumferential direction.
Every phase horn contacts 200A, 200B, 200C are also by 120 ° of circle distribution, and being arranged on this phase main contact 100A, 100B, 100C by vertical shaft 210A, 210B, a 210C, every phase horn contacts 200A, 200B, 200C realize being electrically connected with this phase main contact 100A, 100B, 100C by being flexible coupling.Every phase horn contacts 200A, 200B, 200C around vertical shaft 210A, 210B, 210C revolution, make one end of this phase horn contacts 200A, 200B, 200C and one-sided contact 300A, 300B, 300C realize being electrically connected or making the other end of this phase horn contacts 200A, 200B, 200C to realize being electrically connected with double-sided contact tip 400A, 400B, 400C under the drive of this phase shifting fork mechanism 700A, 700B, 700C.
In order to increase inter-stage dielectric strength, isolate at every phase main contact 100A, 100B, 100C and this mutually one-sided dividing plate 810A, 810B, 810C of adopting between contact 300A, 300B, 300C, every phase main contact 100A, 100B, 100C and adopt dividing plate 820A, 820B, 820C to isolate between double-sided contact tip 400A, 400B, 400C.
In order to increase alternate dielectric strength, one-sided contact 300A, 300B, the 300C of adjacent phase, dividing plate 830A, 840A, 830B, 840B, 830C, 830C between double-sided contact tip 400A, 400B, 400C, is adopted to isolate.
Claims (1)
1. a diverter switch mounting structure, the three-phase single, double side contact comprising three-phase main contact, three-phase moving contact and be connected with selector, it is characterized in that, also comprise upper and lower circular clamping plate, described three-phase main contact and three-phase single, double side contact are arranged between described upper and lower plectane, wherein said three-phase main contact is by 120 ° of circle distribution, and the one-sided contact of three-phase is by 120 ° of circle distribution, and three-phase double-sided contact tip is also by 120 ° of circle distribution; Every mutually in one-sided contact and double-sided contact tip be symmetrically distributed in the left and right sides of this phase main contact described in a circumferential direction; Every phase moving contact is horn contacts also by 120 ° of circle distribution, every phase horn contacts to be arranged on this phase main contact described by a vertical shaft and to realize being electrically connected with this phase main contact by being flexible coupling, every phase horn contacts turns round around described vertical shaft under the drive of the shifting fork mechanism of correspondence, makes one end of this phase horn contacts and described one-sided contact realize being electrically connected or making the other end of this phase horn contacts and described double-sided contact tip to realize being electrically connected; Between every phase main contact with this mutually single, double side contact, adopt the first and second dividing plates to isolate; The third and fourth dividing plate isolation is adopted between the single, double side contact of adjacent phase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083956.2U CN204596645U (en) | 2015-02-05 | 2015-02-05 | A kind of diverter switch mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083956.2U CN204596645U (en) | 2015-02-05 | 2015-02-05 | A kind of diverter switch mounting structure |
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| Publication Number | Publication Date |
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| CN204596645U true CN204596645U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520083956.2U Active CN204596645U (en) | 2015-02-05 | 2015-02-05 | A kind of diverter switch mounting structure |
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| CN (1) | CN204596645U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463047A (en) * | 2020-04-13 | 2020-07-28 | 上海华明电力设备制造有限公司 | Change-over switch |
| CN111668005A (en) * | 2020-04-13 | 2020-09-15 | 上海华明电力设备制造有限公司 | Novel CM type on-load tap-changer |
-
2015
- 2015-02-05 CN CN201520083956.2U patent/CN204596645U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463047A (en) * | 2020-04-13 | 2020-07-28 | 上海华明电力设备制造有限公司 | Change-over switch |
| CN111668005A (en) * | 2020-04-13 | 2020-09-15 | 上海华明电力设备制造有限公司 | Novel CM type on-load tap-changer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |