CN2258652Y - Composite type vacuum load tapped switch - Google Patents
Composite type vacuum load tapped switch Download PDFInfo
- Publication number
- CN2258652Y CN2258652Y CN 96200308 CN96200308U CN2258652Y CN 2258652 Y CN2258652 Y CN 2258652Y CN 96200308 CN96200308 CN 96200308 CN 96200308 U CN96200308 U CN 96200308U CN 2258652 Y CN2258652 Y CN 2258652Y
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- CN
- China
- Prior art keywords
- vacuum
- fixed contact
- utility
- model
- switch
- 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.)
- Expired - Fee Related
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a composite type vacuum load tapped switch, belonging to the technical field of the class of electric switches. The composite type vacuum load tapped switch has a plate structure. Arcs are extinguished in vacuum switch tubes. Static contacts on every shift of each phase are fixedly installed on a same flat plate type insulating fixed rail in a row. Each phase is provided with two vacuum switch tubes installed on a bracket which moves on a straight line. The utility model has the advantages of small size, simple structure, convenient transformer connection, etc. The utility model can be matched with a dry type transformer for forming a load voltage regulating device.
Description
The utility model relates to a kind of vacuum on-load operation switch (calling shunting switch in the following text), belongs to the electric switch type technical field.
At present, known compound shunting switch is a cylinder mode, and its fixed contact is installed on the insulating cylinder inwall, dynamic contact mechanism is installed on the main shaft at insulating cylinder center, main shaft can rotate, and the driving moving contact contacts with fixed contact by the program of setting and separates, and finishes the conversion of circuit.This cylinder mode, when being connected with the dry-type transformer coil tap, connecting line must be fixed with the support folder, and must the special configuration support be installed by shunting switch, makes troubles to the user.
The purpose of this utility model provides a kind of compound shunting switch of being connected with dry-type transformer be convenient to.
The purpose of this utility model is achieved in that the fixed contact on each gear of every phase in the shunting switch is fixedly mounted on the same flat insulation fixed rail that every have two vacuum switch tubes to be installed on the support of moving linearly mutually with becoming a row; Fixed contact on each gear all exceeds a fixed rail plane part, and the raised area all has guiding surface in two directions of motion of support.
The utility model is a plank frame, compares with existing shunting switch, has characteristics such as simple in structure, that connecting line need not support that folder is fixed and need not aim at shunting switch configuration mounting bracket when being connected with the transformer coil tap, and is easy to install.This compound shunting switch has reduced expense and the workload when being connected with transformer, has made things convenient for the user.
The utility model is described in further detail below in conjunction with accompanying drawing and example.
Fig. 1 is the C-C cutaway view.
Fig. 2 is the D-D cutaway view.
Among the figure: 1. electronic case; 2. leading screw; 3. driving lever; 4. frame; 5. fixed contact; 6. pay moving bar; 7. binding post; 8. fixed rail; 9. spring shield; 10. disjunction spring; 11. transition vacuum switch tube; 12. lead-out wire; 13. support; 14. transition resistance; 15. conducting rod; 16. main break-make vacuum switch tube; 17. spring; 18. nut; 19. guide pillar; 20. guide pin bushing; N. shunting switch gear number, (n=9 or 7).
Referring to accompanying drawing, the utility model is made up of electronic case (1), leading screw (2), frame (4), fixed contact (5), fixed rail (8), transition vacuum switch tube (11), support (13), transition resistance (14), main break-make vacuum switch tube (16), nut (18), guide pillar (19) etc.Only provided one of three-phase structure phase in the accompanying drawing.Fixed contact (5) and binding post (7) are fixedly mounted on the insulation fixed rail (8), and main break-make vacuum switch tube (16) and transition vacuum switch tube (11) are installed on the support (13) of moving linearly; Fixed contact (5) exceeds the plane part of fixed rail (8), and the raised area is provided with guiding surface, and it and fixed rail (8) constitute a periphery cam; Driving lever (3) is conducting rod with a pair moving bar (6); Electronic case (1) is installed on the frame (4) with leading screw (2), lead-out wire (12), guide pillar (19), and frame (4) includes shell and support framework, does not draw in the accompanying drawing; Binding post (7) links to each other with the connecting line tap corresponding with transformer coil respectively.
During work, electronic case (1) drives leading screw (2) rotation, nut (18) becomes the rotation of leading screw (2) rectilinear motion and drives support (13) mobile to set a distance, periphery cam and the driving lever (3) that constitutes by fixed contact (5) and fixed rail (8), pay a moving bar (6) and make vacuum switch tube disjunction or closure by setup program, finish circuit conversion.
The utility model in use passes through (shown position) as if electric current by the n shelves.In the time will changing to the n-1 gear and put, under the drive of support (13), after transition vacuum switch tube (11) is connected with n-1 shelves fixed contact, main break-make vacuum switch tube (16) disconnects with n shelves fixed contact, connect with n-1 shelves fixed contact then, last transition vacuum switch tube (11) disconnects with n-1 shelves fixed contact, and circuit conversion finishes.At this moment, electric current is passed through by the tap of n-1 shelves transformer coil, n-1 shelves fixed contact, driving lever (3), main break-make vacuum switch tube (16), conducting rod (15), lead-out wire (12), finishes the adjustment of transformer output voltage.In this process, the circulating current between transition resistance (14) limiting transformer gear, and with transition vacuum switch tube (11), pay a moving bar (6) and temporarily connect circuit, export continuously to protect positive operating current.Otherwise, as the same.
Claims (3)
1. compound vacuum on-load operation switch of forming by electronic case, leading screw, nut, frame, fixed contact, fixed rail, vacuum switch tube, support, transition resistance etc., its technical characterictic be every mutually in fixed contact on each gear be fixedly mounted on the same flat insulation fixed rail with becoming a row, every have two vacuum switch tubes to be installed on the support of moving linearly mutually.
2. compound vacuum on-load operation switch according to claim 1 is characterized in that the fixed contact on each gear all exceeds a fixed rail plane part.
3. compound vacuum on-load operation switch according to claim 1 is characterized in that fixed contact on each gear exceeds the fixed rail planar section and in two directions of motion of support guiding surface arranged all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96200308 CN2258652Y (en) | 1996-01-08 | 1996-01-08 | Composite type vacuum load tapped switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96200308 CN2258652Y (en) | 1996-01-08 | 1996-01-08 | Composite type vacuum load tapped switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2258652Y true CN2258652Y (en) | 1997-07-30 |
Family
ID=33886915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96200308 Expired - Fee Related CN2258652Y (en) | 1996-01-08 | 1996-01-08 | Composite type vacuum load tapped switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2258652Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807472B (en) * | 2009-02-13 | 2012-08-08 | 上海华明电力设备制造有限公司 | Vacuum tube group for replacing copper-tungsten contact group of on-load tap changer |
| CN101399112B (en) * | 2007-09-29 | 2012-11-14 | 任宏宇 | Fixed contact tap switch with rotating bearing structure |
-
1996
- 1996-01-08 CN CN 96200308 patent/CN2258652Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101399112B (en) * | 2007-09-29 | 2012-11-14 | 任宏宇 | Fixed contact tap switch with rotating bearing structure |
| CN101807472B (en) * | 2009-02-13 | 2012-08-08 | 上海华明电力设备制造有限公司 | Vacuum tube group for replacing copper-tungsten contact group of on-load tap changer |
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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 |