CN2473737Y - New vacuum load isolating switch - Google Patents
New vacuum load isolating switch Download PDFInfo
- Publication number
- CN2473737Y CN2473737Y CN 00252195 CN00252195U CN2473737Y CN 2473737 Y CN2473737 Y CN 2473737Y CN 00252195 CN00252195 CN 00252195 CN 00252195 U CN00252195 U CN 00252195U CN 2473737 Y CN2473737 Y CN 2473737Y
- Authority
- CN
- China
- Prior art keywords
- moving contact
- vacuum interrupter
- insulator
- main shaft
- utility
- 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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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model relates to a new vacuum load-isolating switch, which is characterized in that: the distributed operating mechanism of each phase vacuum interrupter consists of a transmission crutch arm, a pressure spring, a main shaft, a countershaft and a linkage shaft; the pressure spring of the utility model is not only a gate opening spring but also a gate closing spring, meanwhile, the pressure spring is also a contact pressure spring; the isolated movable contact can be rotated with the shaft, which can also return to the position after released, increasing the distance of the isolation fracture; the high voltage of the side is decreased once by a capacitance voltage divider to reach the value that the secondary elements can use, moreover, the capacitance voltage divider can provide defect (or fuse fusing) signal. The utility model is the application of the mechanical transmission technology in the field of high voltage technology.
Description
The utility model relates to high pressure (3.5-72.5KV) vacuum-load isolating switch and operating mechanisms thereof, particularly a kind of vacuum-load isolating switch.
At present, being constructed as follows of known vacuum-load isolating switch: vacuum interrupter is fixedly mounted on the insulating support, by an operating mechanism operation that three-phase is shared.Special-purpose tripping spring is installed on Switch main body, arc control device contact pressure spring is installed on the insulated tension pole, the special switching-in spring of design on the operating mechanism.Switching-in spring is stretched or compressed and energy storage under the driving of manpower or electric power, and under controlled situation, discharges rapidly and drives arc control device and close a floodgate, and the mechanical lock buckle device makes it remain on closing position (this moment, tripping spring was stretched or compressed).When fuse blows, striker bump link gear makes and closes a floodgate and keep threading off (but also people for making its dropout), and the arc control device moving contact moves under the effect of tripping spring, the disconnection load current.Above method mechanism complexity, bulky, operate loaded down with trivial details, the cost height.
The purpose of this utility model is to overcome above-mentioned defective and a kind of novel evacuated load-break switch is provided.
The purpose of this utility model is achieved in that a kind of novel evacuated load-break switch, it is characterized in that: the operating mechanism of every phase vacuum interrupter adapted by: transmission crank arm, compression spring, main shaft, countershaft and universal driving shaft are formed; The other end that is installed in the insulated tension pole on the macro-axis is connected with isolation moving contact and vacuum interrupter, isolates moving contact and can rotate around the axle that is connected with insulated tension pole; The other end of vacuum interrupter is installed on the main shaft, and the run-on point of transmission crank arm is installed on the main shaft, and the one end is connected with vacuum interrupter, and the other end is a universal driving shaft, and an end of compression spring is connected with universal driving shaft, and the other end connects countershaft; Fuse is installed on the insulator, and its striker is corresponding with an end of interlock connecting lever, and the other end of interlock connecting lever contacts with travel switch by linkage pull rod; Be installed on another insulator with isolating the corresponding isolation fixed contact of moving contact, be vertically installed with on this insulator and isolate the contacted shelves card of moving contact.Described insulator can be capacitor voltage divider.
By above-mentioned structure as can be known the compression spring in the utility model be tripping spring be again switching-in spring, be again the contact pressure spring simultaneously; Isolating moving contact can pivot, and restorable again during release is to increase the distance of isolation fracture; Reduce the high voltage of primary side with capacitor voltage divider, reach the operable numerical value of secondary component, and defective (or fuse blows) signal can be provided.The utility model is that mechanical transmissioning technology is in the high voltage technique Application for Field.
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is the view of switch of the present utility model at closing position.
Fig. 2 is that switch of the present utility model is at the critical localisation figure that closes a floodgate to the separating brake transition.
Fig. 3 is the location drawing of switch of the present utility model behind separating brake.Among the figure: 1-insulator or capacitor voltage divider; 2-isolates fixed contact; 3-isolates moving contact; 4-shelves card; The 5-insulated tension pole; The 6-macro-axis; The 7-vacuum interrupter; The 8-main shaft; The 9-transmission crank arm; The 10-universal driving shaft; The 11-compression spring; The 12-countershaft; The 13-fuse; The 14-connecting lever that links; The 15-linkage pull rod; The 16-travel switch; 17-insulator or capacitor voltage divider.
Referring to Fig. 1, Fig. 2 and Fig. 3: motor drives macro-axis (6) by reductor and rotates; Moving contact (3) is isolated in insulated tension pole (5) pulling and vacuum interrupter (7) rotates around main shaft (8), the purpose of reach the on-load switch branch, closing.Its concrete course of work is as follows: 1, separating brake process: switch is when complete closing position, and compression spring (11) makes by transmission crank arm (9) isolates static pressure of moving contact (3) generation, guarantees that a major loop reliably connects.When macro-axis (6) when being rotated counterclockwise, be rotated counterclockwise for the center around main shaft (8) by insulated tension pole (5) promotion isolation moving contact (3) and vacuum interrupter (7), when the axle center of countershaft (12), universal driving shaft (10) and main shaft (8) during at straight line, then be in the critical localisation of combined floodgate to the separating brake conversion, rotating a bit slightly, the pressure of compression spring (11) will change direction, promote transmission crank arm (9) to being rotated counterclockwise, and make and isolate moving contact (3) rapidly separately.And at this moment isolate moving contact (3) to be lived by shelves card (4) shelves and sway but not with isolate fixed contact (2) and separate.After rotating a certain angle, isolation moving contact (3) turns back to original position after streaking from shelves card (4) left side again, and at this moment vacuum interrupter (7) is isolated the fracture distance that moving contact (3) has arrived regulation again with disjunction.From said process as can be seen vacuum interrupter disconnect prior to isolating switch, isolate moving contact (3) the very long distance of need not walking, isolate fixed contact (2) and also need not very longly just can guarantee enough fracture distances.
2, separating brake process: when the separating brake position, the pressure of compression spring (11) makes transmission crank arm (9) overcome the self-closing power of isolating moving contact (3) all the time and remains on gate-dividing state.When isolating moving contact (3) when turning clockwise, at first contact with isolation fixed contact (2), at this moment because of the taper of shelves card (4) upper end, make two to isolate following (isolating moving contact can only clockwise rotate around axle, and can not rotate counterclockwise) that moving contact (3) enters shelves cards (4).As rotating a bit again, main shaft, countershaft and universal driving shaft are again point-blank, promptly be in the position of separating brake to the conversion of closing a floodgate, turn clockwise a little again, compression spring (11) promotes transmission crank arm (9) in clockwise direction to be changed, make that isolating moving contact (3) moves rapidly to closing position from the separating brake position, realizes the combined floodgate of vacuum interrupter.
3, when fuse blows, its striker bump interlock connecting lever (14), and move by linkage pull rod (15) and to control the motor drives separating brake again in travel switch (16).If adopt the phase failure electric-linked, then insulator (1) or (17) three-phase all change capacitor into, when fuse blows causes phase shortage or mains side phase shortage, all make certain phase electric capacity decompression, control the motor drives separating brake more at this point, avoid phase-deficient operation.
Claims (2)
1, a kind of novel evacuated load-break switch is characterized in that: the operating mechanism of every phase vacuum interrupter adapted by: transmission crank arm, compression spring, main shaft, countershaft and universal driving shaft are formed; The other end that is installed in the insulated tension pole on the macro-axis is connected with isolation moving contact and vacuum interrupter, isolates moving contact and can rotate around the axle that is connected with insulated tension pole; The other end of vacuum interrupter is installed on the main shaft, and the run-on point of transmission crank arm is installed on the main shaft, and the one end is connected with vacuum interrupter, and the other end is a universal driving shaft, and an end of compression spring is connected with universal driving shaft, and the other end connects countershaft; Fuse is installed on the insulator, and its striker is corresponding with an end of interlock connecting lever, and the other end of interlock connecting lever contacts with travel switch by linkage pull rod; Be installed on another insulator with isolating the corresponding isolation fixed contact of moving contact, be vertically installed with on this insulator and isolate the contacted shelves card of moving contact.
2, a kind of novel evacuated load-break switch according to claim 1, it is characterized in that: insulator can be capacitor voltage divider.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00252195 CN2473737Y (en) | 2000-11-24 | 2000-11-24 | New vacuum load isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00252195 CN2473737Y (en) | 2000-11-24 | 2000-11-24 | New vacuum load isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2473737Y true CN2473737Y (en) | 2002-01-23 |
Family
ID=33609913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00252195 Expired - Fee Related CN2473737Y (en) | 2000-11-24 | 2000-11-24 | New vacuum load isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2473737Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100350536C (en) * | 2006-07-20 | 2007-11-21 | 丹东供电设备厂 | Opening and closing induction current vacuum switch |
| CN101436488B (en) * | 2008-12-03 | 2010-12-08 | 山东泰开隔离开关有限公司 | On-off large parameter induction current outdoor high-voltage AC grounding switch |
| CN118352205A (en) * | 2024-06-17 | 2024-07-16 | 浙江正泰电气科技有限公司 | Combined structure of breaker and isolating switch and switch cabinet |
-
2000
- 2000-11-24 CN CN 00252195 patent/CN2473737Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100350536C (en) * | 2006-07-20 | 2007-11-21 | 丹东供电设备厂 | Opening and closing induction current vacuum switch |
| CN101436488B (en) * | 2008-12-03 | 2010-12-08 | 山东泰开隔离开关有限公司 | On-off large parameter induction current outdoor high-voltage AC grounding switch |
| CN118352205A (en) * | 2024-06-17 | 2024-07-16 | 浙江正泰电气科技有限公司 | Combined structure of breaker and isolating switch and switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: TANG JIALONG Free format text: FORMER NAME OR ADDRESS: TU DASHI |
|
| CP03 | Change of name, title or address |
Address after: 100031 Beijing City, Xicheng District Wei Ying Hutong No. 49 block 6B Beijing Senyuan Electric Company Patentee after: Tang Jialong Address before: Beijing Haidian District small business Qinghe Power Building No. 3 room L402 Patentee before: Tu Dashi |
|
| 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 |