CN204011241U - A kind of vacuum isolating change-over switch - Google Patents
A kind of vacuum isolating change-over switch Download PDFInfo
- Publication number
- CN204011241U CN204011241U CN201420420516.7U CN201420420516U CN204011241U CN 204011241 U CN204011241 U CN 204011241U CN 201420420516 U CN201420420516 U CN 201420420516U CN 204011241 U CN204011241 U CN 204011241U
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- CN
- China
- Prior art keywords
- over switch
- vacuum
- isolating change
- vacuum isolating
- rod assembly
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- Expired - Fee Related
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Abstract
The utility model relates to a kind of vacuum isolating change-over switch, comprise framework, two groups of switch elements are installed in described framework, described switch element comprises three vacuum tube groups, in described vacuum tube group, be provided with the electromagnetic operating device for dynamic/static contact in break-make vacuum tube, described vacuum isolating change-over switch also comprises a manual isolated operation device and an anti-short circuit stopping means; Described electromagnetic operating device comprises electromagnet, connection handle, push pedal, moving contact pull bar, back-moving spring, electromagnet is for adhesive connection handle, described connection handle is fixedly connected with push pedal, and push pedal is fixedly connected with moving contact pull bar one end, and back-moving spring is connected on framework and connection handle, band moving contact pull bar is rotated in push pedal, and back-moving spring is for disjunction dynamic/static contact.Improved the breaking capacity of vacuum isolating change-over switch, had obvious breakpoint, power-off is safer reliable; Fault is short-circuited can effectively prevent the forward and reverse operation of reversing switch time; Strengthen the fail safe of vacuum isolating change-over switch.
Description
Technical field
The utility model relates to a kind of switching device, relates in particular to a kind of vacuum isolating change-over switch.
Background technology
Existing isolation reversing switch is mainly divided into the isolation reversing switch of air type and the isolation reversing switch of vacuum type.The isolation reversing switch breaking capacity of air type is poor, and produces larger electric arc when disjunction, and fail safe is poor, the easy scaling loss of contact, and the life-span is shorter; The contact of comparing the isolation reversing switch of vacuum type is to work under vacuum state, and breaking current is large, and vacuum tube outside is without electric arc, and vacuum tube internal arc is little, and contact is difficult for scaling loss, and the life-span is longer.
But domestic existing vacuum isolating change-over switch generally adopts hand operating mechanism structure to realize relevant application, its complicated in mechanical structure, breaking capacity is poor, without obvious breakpoint, after the adhesion of vacuum tube inside contact, without breaking capacity, safety and reliability is poor.
Along with raising and the raising of people to security requirement of industrial equipment rated voltage, existing vacuum isolating change-over switch can not satisfy the demands.
Utility model content
The purpose of this utility model is to provide a kind of vacuum isolating change-over switch, the complex structure existing to overcome currently available technology, and breaking capacity is poor, without the obvious poor problem of breakpoint fail safe.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of vacuum isolating change-over switch, comprise framework, two groups of switch elements are installed in described framework, described switch element comprises three vacuum tube groups, in described vacuum tube group, be provided with the electromagnetic operating device for dynamic/static contact in break-make vacuum tube, described vacuum isolating change-over switch also comprises a manual isolated operation device and an anti-short circuit stopping means;
Described electromagnetic operating device comprises electromagnet, connection handle, push pedal, moving contact pull bar, back-moving spring, electromagnet is for adhesive connection handle, described connection handle is fixedly connected with push pedal, and push pedal is fixedly connected with moving contact pull bar one end, and back-moving spring is connected on framework and connection handle, band moving contact pull bar is rotated in push pedal, and back-moving spring is for disjunction dynamic/static contact.
Wherein, described anti-short circuit stopping means is positioned at the outside of vacuum isolating change-over switch, described anti-short circuit limit switch comprises left side rod assembly, right side rod assembly and be fixed on the cut spring of left side pull bar and limit pull rod assembly upper end, right side, the middle part of described vacuum isolating change-over switch is also provided with cam set.
Wherein, described left side rod assembly connects left side rod assembly, and the lower end of described left side rod assembly and right side rod assembly is hinged.
Wherein, the lower end of described left lever assembly is provided with contiguous block, and the top of described contiguous block is provided with connecting axle, and described connecting axle connects plate by tumbler.
Wherein, the fork between described cam set and left lever assembly, right rod assembly close a floodgate and when disconnected lock respectively to drive corresponding vacuum tube operating axis do counterclockwise or clockwise rotate, make to move under the limiting plate drive of a rod assembly therein.
Wherein, described manual isolated operation device comprises gear shaft, the tooth bar being meshed with gear shaft, described tooth bar upper end is fixed with pushing block, pushing block inside is provided with shifting block, the lower end of shifting block is connected with connecting rod, and the end of described connecting rod is connected with isolation and isolates square shaft described in square shaft for realizing three groups of isolation dynamic/static contact disjunctions or closure.
Wherein, be also provided with shifting block axle on described shifting block, described shifting block axle is fixed on framework, and the end of described connecting rod is also connected with hand-reset spring, and described isolation square shaft is used for realizing three groups of isolation dynamic/static contact disjunctions or closure.
Wherein, on the dynamic/static contact of described Manual isolation switch, be also provided with extinguishing arc cover.
Wherein, in described extinguishing arc cover, be provided with grid sheet.
The beneficial effects of the utility model are: for the electromagnetic operating device of dynamic/static contact in break-make vacuum tube, improved the breaking capacity of vacuum isolating change-over switch, had obvious breakpoint, power-off is safer reliable; Described anti-short circuit stopping means, fault is short-circuited can effectively prevent the forward and reverse operation of reversing switch time; Described manual isolated operation device, in the time that electromagnetic operating device goes wrong, emergency power off, the fail safe that has strengthened vacuum isolating change-over switch.
Brief description of the drawings
With reference to the accompanying drawings the utility model is described in further detail below.
Fig. 1 is the structural representation of the vacuum isolating change-over switch described in the utility model embodiment;
Fig. 2 is the cutaway view of the vacuum isolating change-over switch described in the utility model embodiment;
Fig. 3 is the sectional structure schematic diagram of the manual isolated operation device described in the utility model embodiment
Fig. 4 is the partial view of Fig. 3;
Fig. 5 is the structural representation of the anti-short circuit stopping means described in the utility model embodiment.
In figure:
1, framework; 2, electromagnet; 3, connection handle; 4, push pedal; 5, pull bar; 6, back-moving spring; 7, gear shaft; 8, tooth bar; 9, pushing block; 10, shifting block; 11, connecting rod; 12, isolation square shaft; 13, extinguishing arc cover; 14, grid sheet; 15, left lever assembly; 16, right rod assembly; 17, cut spring; 18, cam set; 19, contiguous block; 20, plate; 21, limiting plate.
Embodiment
As shown in Figure 1-2, a kind of vacuum isolating change-over switch described in the utility model embodiment, comprise framework 1, two groups of switch elements are installed in described framework 1, described switch element comprises three vacuum tube groups, in described vacuum tube group, be provided with the electromagnetic operating device for dynamic/static contact in break-make vacuum tube, by electromagnetic operating device to realize the conversion of break-make and phase sequence of circuit.
As shown in Figure 3-4, described vacuum isolating change-over switch also comprises a manual isolated operation device.Described manual isolated operation device and three groups isolation dynamic/static contact group and line row thereof, for when the adhesion of vacuum tube inside contact or other abnormal time-division deenergizings.
Described manual isolated operation device comprises gear shaft 7, the tooth bar 8 being meshed with gear shaft 7, described tooth bar 8 upper ends are fixed with pushing block 9, pushing block 9 inside are provided with shifting block 10, the lower end of shifting block 10 is connected with connecting rod 11, the end of described connecting rod 11 is connected with isolation square shaft 12, and described isolation square shaft 12 is for realizing three groups of isolation dynamic/static contact disjunctions or closure.
Wherein, on described shifting block 10, be also provided with shifting block axle, described shifting block axle is fixed on framework 1, and the end of described connecting rod 11 is also connected with hand-reset spring, and described isolation square shaft 12 is for realizing three groups of isolation dynamic/static contact disjunctions or closure.
Described electromagnetic operating device comprises electromagnet 2, connection handle 3, push pedal 4, moving contact pull bar 5, back-moving spring 6, electromagnet 2 is for adhesive connection handle 3, described connection handle 3 is fixedly connected with push pedal 4, and push pedal 4 is fixedly connected with moving contact pull bar 5 one end, and back-moving spring 6 is connected on framework 1 and connection handle 3, push pedal 4 is rotated and is driven moving contact pull bar 5, and back-moving spring 6 is for disjunction dynamic/static contact.
As shown in Figure 5, described anti-short circuit stopping means is positioned at the outside of vacuum isolating change-over switch, described anti-short circuit limit switch comprises left side rod assembly 15, right side rod assembly 16 and be fixed on the cut spring 17 of left side rod assembly 15 and limit pull rod assembly 16 upper ends, right side, the middle part of described vacuum isolating change-over switch is also provided with cam set 18.
Described left side rod assembly 15 connects right side rod assembly 16, and described left side rod assembly 15 is hinged with the lower end of right side rod assembly 16.The lower end of described left lever assembly 15 is provided with contiguous block, and the top of described contiguous block is provided with connecting axle 19, and described connecting axle 19 connects plate 20 by tumbler.
Fork 7 between described cam set 18 and left lever assembly 15, right rod assembly 16 close a floodgate and when disconnected lock respectively to drive corresponding vacuum tube operating axis do counterclockwise or clockwise rotate, make to move under limiting plate 21 drive of a rod assembly therein, due to two slotted hole centre-to-centre spacing fixed length of limiting plate 21, thereby can not close a floodgate can ensure the forward and reverse operation of vacuum isolating change-over switch time simultaneously.
Described manual isolated operation device comprises gear shaft 7, the tooth bar 8 being meshed with gear shaft 7, described tooth bar 8 upper ends are fixed with pushing block 9, pushing block 9 inside are provided with shifting block 10, the lower end of shifting block 10 is connected with connecting rod 11, the end of described connecting rod 11 is connected with isolation square shaft 12, and described isolation square shaft 12 is for realizing three groups of isolation dynamic/static contact disjunctions or closure.
On described shifting block 10, be also provided with shifting block axle, described shifting block axle is fixed on framework 1, and the end of described connecting rod 11 is also connected with hand-reset spring, and described isolation square shaft 12 is for realizing three groups of isolation dynamic/static contact disjunctions or closure.On the dynamic/static contact of described Manual isolation switch, be also provided with extinguishing arc cover 13.In described extinguishing arc cover 13, be provided with grid sheet 14.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, within all dropping on protection range of the present utility model.
Claims (9)
1. a vacuum isolating change-over switch, it is characterized in that, comprise framework, two groups of switch elements are installed in described framework, described switch element comprises three vacuum tube groups, in described vacuum tube group, be provided with the electromagnetic operating device for dynamic/static contact in break-make vacuum tube, described vacuum isolating change-over switch also comprises a manual isolated operation device and an anti-short circuit stopping means;
Described electromagnetic operating device comprises electromagnet, connection handle, push pedal, moving contact pull bar, back-moving spring, electromagnet is for adhesive connection handle, described connection handle is fixedly connected with push pedal, and push pedal is fixedly connected with moving contact pull bar one end, and back-moving spring is connected on framework and connection handle, band moving contact pull bar is rotated in push pedal, and back-moving spring is for disjunction dynamic/static contact.
2. vacuum isolating change-over switch according to claim 1, it is characterized in that, described anti-short circuit stopping means is positioned at the outside of vacuum isolating change-over switch, described anti-short circuit limit switch comprises left side rod assembly, right side rod assembly and be fixed on the cut spring of left side pull bar and limit pull rod assembly upper end, right side, the middle part of described vacuum isolating change-over switch is also provided with cam set.
3. vacuum isolating change-over switch according to claim 1, is characterized in that, described left side rod assembly connects left side rod assembly, and the lower end of described left side rod assembly and right side rod assembly is hinged.
4. vacuum isolating change-over switch according to claim 3, is characterized in that, the lower end of described left lever assembly is provided with contiguous block, and the top of described contiguous block is provided with connecting axle, and described connecting axle connects shifting block by tumbler.
5. vacuum isolating change-over switch according to claim 4, it is characterized in that, wherein, fork between described cam set and left lever assembly, right rod assembly close a floodgate and when disconnected lock respectively to drive corresponding vacuum tube operating axis do counterclockwise or clockwise rotate, make to move under the limiting plate drive of a rod assembly therein.
6. vacuum isolating change-over switch according to claim 1, it is characterized in that, described manual isolated operation device comprises gear shaft, the tooth bar being meshed with gear shaft, described tooth bar upper end is fixed with pushing block, pushing block inside is provided with shifting block, and the lower end of shifting block is connected with connecting rod, and the end of described connecting rod is connected with isolation square shaft.
7. vacuum isolating change-over switch according to claim 3, it is characterized in that, on described shifting block, be also provided with shifting block axle, described shifting block axle is fixed on framework, the end of described connecting rod is also connected with hand-reset spring, and described isolation square shaft is used for realizing three groups of isolation dynamic/static contact disjunctions or closure.
8. vacuum isolating change-over switch according to claim 3, is characterized in that, is also provided with extinguishing arc cover on the dynamic/static contact of described Manual isolation switch.
9. vacuum isolating change-over switch according to claim 3, is characterized in that, in described extinguishing arc cover, is provided with grid sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420420516.7U CN204011241U (en) | 2014-07-29 | 2014-07-29 | A kind of vacuum isolating change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420420516.7U CN204011241U (en) | 2014-07-29 | 2014-07-29 | A kind of vacuum isolating change-over switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204011241U true CN204011241U (en) | 2014-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420420516.7U Expired - Fee Related CN204011241U (en) | 2014-07-29 | 2014-07-29 | A kind of vacuum isolating change-over switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204011241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047445A (en) * | 2015-06-15 | 2015-11-11 | 许昌学院 | Direct current electromagnetic driving type isolation switch |
-
2014
- 2014-07-29 CN CN201420420516.7U patent/CN204011241U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047445A (en) * | 2015-06-15 | 2015-11-11 | 许昌学院 | Direct current electromagnetic driving type isolation switch |
| CN105047445B (en) * | 2015-06-15 | 2019-07-16 | 许昌学院 | A kind of direct solenoid driven formula disconnecting switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150729 |
|
| EXPY | Termination of patent right or utility model |