CN2446643Y - Single coherence type vacuum loaded tap changer - Google Patents
Single coherence type vacuum loaded tap changer Download PDFInfo
- Publication number
- CN2446643Y CN2446643Y CN 00248490 CN00248490U CN2446643Y CN 2446643 Y CN2446643 Y CN 2446643Y CN 00248490 CN00248490 CN 00248490 CN 00248490 U CN00248490 U CN 00248490U CN 2446643 Y CN2446643 Y CN 2446643Y
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- China
- Prior art keywords
- utility
- model
- phase
- vacuum
- eccentric gear
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- Expired - Fee Related
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model relates to a single-phase dry vacuum loaded tapping switch, which belongs to the single-phase dry vacuum loaded tapping switches. The utility model is composed of a motor, a bigeminal gear, and an eccentric gear. The utility model is characterized in that the eccentric gear adopts a transmission structure with four connecting rods; a cam edge bulge opens or closes three vacuum switch tubes by three insulators; a tapping selector is provided with fifteen tapping selecting stays which are respectively fixed on an upper and a lower stay fixed discs; the stays are provided with fifteen fixed contacts which do intermittence selecting action through a groove wheel by an insulated transmission shaft. The utility model has the advantages of simple structure, safe and convenient operation, high reliability, small size, and low cost. The utility model can be widely used for vacuum loaded tapping switches which are matched with high-voltage network transformers.
Description
The single-phase dry vacuum on-load operation switch of the utility model belongs to single-phase dry vacuum on-load operation switch device.
Single-phase dry vacuum on-load operation switch complex structure in the prior art; security reliability is low; volume is big; the cost height, not having has approved product, inconvenient operation; not having has circuit protection device; high-voltage fence surpasses load current value, and transformer can not recover operate as normal automatically, causes high-voltage fence normally not move.
The purpose of the single-phase dry vacuum on-load operation switch of the utility model, be to overcome above-mentioned defective and design a kind of single-phase dry vacuum on-load operation switch, it is to adopt single-phase AC permanent-magnet motor and dual gear and eccentric gear, four link motion transferring structures, stable work in work, utilizing two storage springs to cross the dead point releases energy, make cam do swing fast, cam edge is provided with projection, by three insulators, to open fast or closed three vacuum switch tubes, the single-phase vacuum switching construction quick and precisely switches whole high-tension circuit.15 taps are set on the tap selector selects stays to be separately fixed at up and down on the stay fixed disk, stay is provided with 15 fixed contacts and is connected with the voltage regulation coil winding of single-phase transformer and arc-suppressing transformer respectively, switch when beginning to move fast, do intermittent selection action by the insulation power transmission shaft through the Malta Geneva mechanism, reach the purpose that quick switching is synchronoused working with the tap selection.
The single-phase dry vacuum on-load operation switch of the utility model takes following technical scheme to realize, it is by single-phase AC permanent-magnet motor and dual gear and eccentric gear, four link motion transferring structures, cam is done swing fast, cam edge is provided with projection, by three insulators, to open fast or closed three vacuum switch tubes, the single-phase vacuum switching construction quick and precisely switches whole high-tension circuit.Tap selector is provided with 15 taps and selects stays to be separately fixed at up and down on the stay fixed disk, 15 fixed contacts are set on the stay to be connected with the voltage regulation coil winding of single-phase transformer or arc-suppressing transformer respectively, switch fast and begin action, do intermittent selection action by the insulation power transmission shaft through the Malta sheave, reach quick switching and select to synchronous working with tap.It is in parallel with the winding of open circuit to be provided with nickel filament coiling transition resistance in the fast handover procedures, and after switch operating finished, transition resistance was the winding work after the switching tap.The eccentric gear side is provided with the moving tooth wheel of nixie display and stirs small grooved wheel, and the moving contact of making intermittent movement drive deconcentrator contacts with deciding contact, and conducting alternating voltage, lead are passed to the dibit crystal digital coding on the display.Circuit overcurrent protection is provided with above load current value, and transformer is removed from high-voltage fence, and overcurrent is recovered operate as normal after getting rid of automatically, protects power transformer and loaded switch effectively.
The effect of the single-phase dry vacuum on-load operation switch of the utility model is simple in structure, easy-to-operate, good reliability, volume is little, and cost is low, long service life, noise is low, adopts vacuum interrupter, is widely used in the supporting vacuum on-load operation switch of high-voltage grid transformer.
The single-phase dry vacuum on-load operation switch of the utility model will describe in further detail in conjunction with the accompanying drawings.
Accompanying drawing is the structural representation of the single-phase dry vacuum on-load operation switch of the utility model.
1-motor 2-dual gear 3-eccentric gear 4-cam 5-insulator 6-vacuum tube 7-stay 8-fixed disk 9-contact 10-power transmission shaft 11-sheave
With reference to accompanying drawing, the single-phase dry vacuum on-load operation switch of the utility model, it is by single-phase AC permanent-magnet motor 1 and dual gear 2 and eccentric gear 3, eccentric gear 3 adopts four link motion transferring structures, two storage springs are crossed the dead point and are released energy, cam 4 is done swing fast, and cam 4 edge protuberance will be opened fast by three insulators 5 or closed three vacuum switch tubes 6, and single-phase vacuum switches and quick and precisely switches whole high-tension circuit.15 taps are set on the tap selector selects stays 7 to be separately fixed at up and down on the stay fixed disk 8,15 fixed contacts 9 are set on the stay 7 to be connected with the voltage regulation coil winding of single-phase transformer or arc-suppressing transformer respectively, switch fast and begin action, do intermittent selection action by insulation power transmission shaft 10 through Malta sheave 11, reach quick switching and select to synchronous working with tap.It is in parallel with the open circuit winding that quick switching is provided with nickel filament coiling transition resistance, and after switch operating finished, transition resistance was the winding work after the switching tap.Eccentric gear 3 sides are provided with the moving tooth wheel of nixie display, and the moving contact 9 of stirring sulculus crop rotation intermittent movement drive deconcentrator contacts with deciding contact 9, and conducting alternating voltage, lead are passed to the dibit crystal digital coding on the display.Circuit overcurrent protection is provided with above load current value, and transformer is removed from high-voltage fence, and overcurrent is got rid of the back and recovered operate as normal automatically, protects transformer and loaded switch effectively.
The embodiment of the single-phase dry vacuum on-load operation switch of the utility model, it is by single-phase AC permanent-magnet motor 1 and dual gear 2 and eccentric gear 3, eccentric gear 3 adopts four link motion transferring structures, utilizing two storage springs to cross the dead point releases energy, make cam 4 do swing fast, cam 4 edge protuberance will be opened apace by three insulators 5 or closed three vacuum switch tubes 6, and the single-phase vacuum switching construction quick and precisely switches whole high-tension circuit.15 taps are set on the tap selector selects stays 7 to be separately fixed at up and down on the stay fixed disk 8,15 fixed contacts 9 are set on the stay 7, be connected with the voltage regulation coil winding of single-phase transformer or arc-suppressing transformer respectively, switch fast and begin action, do intermittent selection action by insulation power transmission shaft 10 through Malta sheave 11, reach quick switching and select to synchronous working with tap.It is in parallel with the winding of open circuit that quick switching is provided with nickel filament coiling transition resistance, and after switch operating finished, transition resistance was the winding work after the switching tap.Eccentric gear 3 sides are provided with the moving tooth wheel of nixie display, stir moving contact 9 that sulculus crop rotation intermittent movement drives deconcentrator and decide contact 9 and contact, the conducting alternating voltage, lead is passed to the dibit crystal digital coding on the display, the gear positions that shows actual working state is so that staff on duty grasps stochastic regime.Circuit overcurrent protection is provided with above load current value, and power transformer is removed from high-voltage fence, and overcurrent is got rid of the back and recovered operate as normal automatically, protects power transformer and loaded switch effectively.
Claims (1)
1, a kind of single-phase dry vacuum on-load operation switch, it is by single-phase AC permanent-magnet motor (1) and dual gear (2) and eccentric gear (3), it waits to levy is that eccentric gear (3) adopts four link motion transferring structures, cam (4) is done swing fast, cam (4) edge protuberance is opened by three insulators (5) or closed three vacuum switch tubes (6), the single-phase vacuum switching construction, 15 taps are set on the tap selector selects stays (7) to be separately fixed at up and down on the stay fixed disk (8), 15 fixed contacts (9) are set on the stay (7) to be connected with the voltage regulation coil winding of single-phase transformer or arc-suppressing transformer respectively, do the intermittent action of selecting by insulation power transmission shaft (10) through Malta sheave (11), switch fast with tap and select to synchronous working, transition resistance is in parallel with the open circuit winding, eccentric gear (3) side is provided with the moving tooth wheel of nixie display, stir moving contact (9) that small grooved wheel drives deconcentrator and decide contact (9) and contact, conducting alternating voltage, lead are passed to the dibit crystal digital coding on the display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00248490 CN2446643Y (en) | 2000-09-15 | 2000-09-15 | Single coherence type vacuum loaded tap changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00248490 CN2446643Y (en) | 2000-09-15 | 2000-09-15 | Single coherence type vacuum loaded tap changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2446643Y true CN2446643Y (en) | 2001-09-05 |
Family
ID=33607130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00248490 Expired - Fee Related CN2446643Y (en) | 2000-09-15 | 2000-09-15 | Single coherence type vacuum loaded tap changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2446643Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448548A (en) * | 2015-12-21 | 2016-03-30 | 浙江宝威电气有限公司 | Transformer on-load tap changer |
| CN107221463A (en) * | 2017-06-22 | 2017-09-29 | 西安森宝电气工程有限公司 | A kind of vacuum on-load operation switch |
| CN109243880A (en) * | 2018-10-30 | 2019-01-18 | 浙江腾龙电器有限公司 | Dry type, which has, carries vacuum voltage-regulation tap changer |
-
2000
- 2000-09-15 CN CN 00248490 patent/CN2446643Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448548A (en) * | 2015-12-21 | 2016-03-30 | 浙江宝威电气有限公司 | Transformer on-load tap changer |
| CN105448548B (en) * | 2015-12-21 | 2018-01-09 | 浙江宝威电气有限公司 | On-load tap-changer of transformer |
| CN107221463A (en) * | 2017-06-22 | 2017-09-29 | 西安森宝电气工程有限公司 | A kind of vacuum on-load operation switch |
| CN107221463B (en) * | 2017-06-22 | 2019-08-09 | 西安森宝电气工程有限公司 | A kind of vacuum on-load operation switch |
| CN109243880A (en) * | 2018-10-30 | 2019-01-18 | 浙江腾龙电器有限公司 | Dry type, which has, carries vacuum voltage-regulation tap changer |
| CN109243880B (en) * | 2018-10-30 | 2024-05-28 | 浙江腾龙电器有限公司 | Dry-type on-load vacuum air-conditioner voltage tapping switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |