CN202159622U - Single-phase high voltage vacuum circuit breaker - Google Patents
Single-phase high voltage vacuum circuit breaker Download PDFInfo
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- CN202159622U CN202159622U CN2011202972546U CN201120297254U CN202159622U CN 202159622 U CN202159622 U CN 202159622U CN 2011202972546 U CN2011202972546 U CN 2011202972546U CN 201120297254 U CN201120297254 U CN 201120297254U CN 202159622 U CN202159622 U CN 202159622U
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Abstract
The utility model discloses a single-phase high voltage vacuum circuit breaker, characterized in that a spring assembly in a frame is arranged at the upper end of a permanent magnetic mechanism, an insulating cylinder is fixed above the frame, and a vacuum explosion chamber and an insulating pull bar are arranged in the insulating cylinder; the upper end of the insulating pull bar is equipped with a guiding shaft I of which the upper end is arranged on a connecting head via a guiding device I, and the connecting head is connected with a movable end of the vacuum explosion chamber; the lower end of the insulating pull bar is equipped with a guiding shaft II of which the lower end is connected with the spring assembly via a guiding device II arranged on the upper end face of the frame. The single-phase high voltage vacuum circuit breaker of the utility model is added a guiding function, so that the coaxiality of the movable end of the explosion chamber, the insulating pull bar, the spring assembly and the permanent magnetic mechanism can be guaranteed, and the overall movement is not deflected, and accordingly, the overall service life of the circuit breaker is improved.
Description
Technical field
The utility model belongs to the High-Voltage Insulation technical field of electric appliances, relates to a kind of single-phase high voltage vacuum circuit-breaker.
Background technology
Existing circuit breaker adopts vacuum interrupter directly to be connected with permanent magnet mechanism; Because insulated tension pole is long; Do not locate and guide function in the connecting link simultaneously, insulated tension pole can produce instantaneous rich property deformation in the process of moving up and down, and then causes the damage of arc control device moved end bellows; Cause the break performance of circuit breaker unreliable, reduce the useful life of circuit breaker.
Summary of the invention
The purpose of the utility model provides a kind of single-phase high voltage vacuum circuit-breaker, has location and guide function, makes the insulated tension pole not deflection of moving, the useful life of improving circuit breaker.
The technical scheme that the utility model adopts is, a kind of single-phase high voltage vacuum circuit-breaker comprises framework, is provided with spring assembly and permanent magnet mechanism in the framework, and spring assembly is arranged on the permanent magnet mechanism upper end; The upper fixed of framework has insulating cylinder; Be provided with vacuum interrupter and insulated tension pole in the insulating cylinder; The upper end of insulated tension pole is provided with axis of guide I, and the upper end of axis of guide I is installed on the connector through the guider I, and connector is connected with the moved end of vacuum interrupter; The lower end of insulated tension pole is provided with axis of guide II, and the lower end of axis of guide II is connected with spring assembly through the guider II that is arranged on the framework upper surface;
The guider I is made up of guide holder I and guideway I, and the guide holder I is fixed on the connector, and the guideway I is fixed on the central authorities of guide holder I; Axis of guide I is positioned at the guideway I, and axis of guide I and guideway I are matched in clearance;
The guider II is made up of guide holder II and guideway II, and the guide holder II is fixed on the upper surface of framework, and the guideway II is fixed on the central authorities of guide holder II; Axis of guide II is positioned at the guideway II, and axis of guide II and guideway II are matched in clearance.
The characteristic of the utility model also is,
Framework is provided with the foot-operated switching-off device of four connecting rods, and the foot-operated switching-off device of four connecting rods is made up of lower link, middle connecting rod, last connecting rod and depression bar, and the inner of lower link is hinged on the framework; The lower link outer end is provided with pedal; The lower end of middle connecting rod is hinged on the middle part of lower link, and middle small end is hinged on the outer end of connecting rod, and the inner of last connecting rod is hinged on the framework; The middle part of last connecting rod is connected with the upper end of permanent magnet mechanism, and depression bar is fixed on the inner of connecting rod.
Connector is made up of fairlead, soft connection device, cushion block and Connection Block; The upper end of fairlead is sleeved on the moved end of vacuum interrupter, and the lower end of fairlead is fixed on the upper end of Connection Block, and Connection Block is fixed on the inwall of insulating cylinder, and the guide holder I is fixed in the Connection Block; Soft connection device is positioned at the below of fairlead, and is sleeved on the moved end of vacuum interrupter on the soft connection device, and the soft connection device lower end is fixed on the lower end of Connection Block through the guider I; Cushion block is back taper, and cushion block is sleeved on the upper end of insulated tension pole, and between axis of guide I and soft connection device.
The beneficial effect of the utility model is:
1, the utility model is guaranteed the axiality of moved end, insulated tension pole, spring assembly and the permanent magnet mechanism of arc control device through increasing guide function, and mass motion is deflection not, thereby improves the bulk life time of circuit breaker.
2, the moved end of the utility model vacuum interrupter and soft connection device cone match make connection more reliable, and it is long-pending to have increased conductive contact surfaces, has reduced temperature.
3, the utility model adopts urgent foot-operated switching-off device, in case of emergency, steps on through pin and to make breaker open operation, compare with handle type manual emergency separating brake in the past, and more convenient operation, more timely.
Description of drawings
Fig. 1 is the structural representation of the utility model single-phase high voltage vacuum circuit-breaker.
Fig. 2 is the structure enlarged diagram at a place among Fig. 1.
Fig. 3 is the structure enlarged diagram at b place among Fig. 1.
Among the figure, 1. insulating cylinder, 2. vacuum interrupter, 3. fairlead, 4. soft connection device, 5. cushion block, 6. Connection Block; 7. insulated tension pole, 8. guider II, 9. spring assembly, 10. permanent magnet mechanism, 11. frameworks, 12. guider I; 13. axis of guide I, 14. axis of guide II, 15. connectors, 16. guide holder I, 17. guideway I, 18. guide holder II; 19. the guideway II, 20. 4 connecting rods are ridden switching-off device, 21. lower links, connecting rod in 22., connecting rod on 23., 24. depression bars.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is elaborated.
The structure of the utility model single-phase high voltage vacuum circuit-breaker; Like Fig. 1-shown in Figure 3, comprise framework 11, framework 11 is provided with the foot-operated switching-off device 20 of four connecting rods; Be provided with spring assembly 9 and permanent magnet mechanism 10 in the framework 11, spring assembly 9 is arranged on permanent magnet mechanism 10 upper ends; The upper fixed of framework 11 is provided with insulating cylinder 1; Be provided with vacuum interrupter 2 and insulated tension pole 7 in the insulating cylinder 1; The upper end of insulated tension pole 7 is connected with the moved end of vacuum interrupter 2 through guider I 12, connector 15 successively, and the lower end of insulated tension pole 7 is connected with spring assembly 9 through guider II 8;
Specifically, the upper end of insulated tension pole 7 is provided with axis of guide I 13, and axis of guide I 13 is installed on the connector 15 through guider I 12, and connector 15 is connected with the moved end of vacuum interrupter 2; Wherein, connector 15 is made up of fairlead 3, soft connection device 4, cushion block 5 and Connection Block 6; The upper end of fairlead 3 is sleeved on the moved end of vacuum interrupter 2, and the lower end of fairlead 3 is fixed on the upper end of Connection Block 6, and Connection Block 6 is fixed on the inwall of insulating cylinder 1; Soft connection device 4 is positioned at the below of fairlead 3, and soft connection device 4 upper ends are sleeved on the moved end of vacuum interrupter 2, and soft connection device 4 lower ends are fixed on the lower end of Connection Block 6 through guider I 12; The moved end of vacuum interrupter 2 is tapered, and soft connection device 4 is sleeved on the moved end head of vacuum interrupter 2 through the taper hole that is provided with on it; The profile of cushion block 5 is back taper, and cushion block 5 is sleeved on the upper end of insulated tension pole 7, and between axis of guide I 13 and soft connection device 4, the big end of cushion block 5 withstands on the lower end of soft connection device 4 inner chambers, and the small end of cushion block 5 withstands on the upper end of axis of guide I 13; Guider I 12 is made up of guide holder I 16 and guideway I 17, and guide holder I 16 is fixed on the Connection Block 6, and guideway I 17 is fixed on the central authorities of guide holder I 16; Axis of guide I 13 is arranged in guideway I 17, and axis of guide I 13 is a matched in clearance with guideway I 17;
The lower end of insulated tension pole 7 is shaped on axis of guide II 14; The guider II 8 of the upper surface of the lower end of axis of guide II 14 through being installed in framework 11 is connected with spring assembly 9; Guider II 8 is made up of guide holder II 18 and guideway II 19, and guide holder II 18 is fixed on the upper surface of framework 11, and guideway II 19 is fixed on the central authorities of guide holder II 18; Vertical axis of guide II 14 is arranged in guideway II 19, and axis of guide II 14 and guideway II 19 the two be matched in clearance; The lower end of guider II 8 is provided with spring assembly 9, and spring assembly 9 is connected with permanent magnet mechanism 10;
The use of the utility model single-phase high voltage vacuum circuit-breaker is; Stepping on the foot-operated switching-off device 20 of four connecting rods through pin just can be so that insulated tension pole 7 moves at vertical direction; Make breaker open operation, vacuum interrupter 2 carries out arc extinguishing, compares with handle type manual emergency separating brake in the past; More convenient operation, more timely.The guider II 8 and the guider I 12 that are provided with; Can so that insulated tension pole 7 in the vertical direction not deflection of moving; The axiality of moved end, insulated tension pole 7, spring assembly 9 and the permanent magnet mechanism 10 of arc control device is guaranteed, thereby improves the bulk life time of circuit breaker.The moved end of vacuum interrupter and soft connection device 4 cone match make connection more reliable, and it is long-pending to have increased conductive contact surfaces, has reduced temperature.
Claims (3)
1. a single-phase high voltage vacuum circuit-breaker is characterized in that, comprises framework (11), is provided with spring assembly (9) and permanent magnet mechanism (10) in the framework (11), and spring assembly (9) is arranged on permanent magnet mechanism (10) upper end; The upper fixed of said framework (11) has insulating cylinder (1); Be provided with vacuum interrupter (2) and insulated tension pole (7) in the insulating cylinder (1); The upper end of said insulated tension pole (7) is provided with axis of guide I (13); The upper end of said axis of guide I (13) is installed on the connector (15) through guider I (12), and connector (15) is connected with the moved end of vacuum interrupter (2); The lower end of said insulated tension pole (7) is provided with axis of guide II (14), and the lower end of axis of guide II (14) is connected with spring assembly (9) through the guider II (8) that is arranged on framework (11) upper surface;
Said guider I (12) is made up of guide holder I (16) and guideway I (17), and said guide holder I (16) is fixed on the connector (15), and said guideway I (17) is fixed on the central authorities of guide holder I (16); Said axis of guide I (13) is positioned at guideway I (17), and axis of guide I (13) is a matched in clearance with guideway I (17);
Said guider II (8) is made up of guide holder II (18) and guideway II (19), and said guide holder II (18) is fixed on the upper surface of framework (11), and said guideway II (19) is fixed on the central authorities of guide holder II (18); Said axis of guide II (14) is positioned at guideway II (19), and axis of guide II (14) is a matched in clearance with guideway II (19).
2. single-phase high voltage vacuum circuit-breaker according to claim 1; It is characterized in that; Said framework (11) is provided with the foot-operated switching-off device (20) of four connecting rods, and four connecting rods are ridden switching-off device (20) and are made up of with depression bar (24) lower link (21), middle connecting rod (22), last connecting rod (23), and the inner of said lower link (21) is hinged on the framework (11); Lower link (21) outer end is provided with pedal; The lower end of connecting rod (22) is hinged on the middle part of lower link (21) in said, and middle connecting rod (22) upper end is hinged on the outer end of connecting rod (23), and said the inner of going up connecting rod (23) is hinged on the framework (11); The middle part of last connecting rod (23) is connected with the upper end of said permanent magnet mechanism (10), and said depression bar (24) is fixed on the inner of connecting rod (23).
3. single-phase high voltage vacuum circuit-breaker according to claim 1 and 2 is characterized in that, said connector (15) is made up of with Connection Block (6) fairlead (3), soft connection device (4), cushion block (5); The upper end of said fairlead (3) is sleeved on the moved end of vacuum interrupter (2), and the lower end of fairlead (3) is fixed on the upper end of Connection Block (6), and said Connection Block (6) is fixed on the inwall of insulating cylinder (1), and said guide holder I (16) is fixed in the Connection Block (6); Said soft connection device (4) is positioned at the below of fairlead (3), and is sleeved on the moved end of vacuum interrupter (2) on the soft connection device (4), and soft connection device (4) lower end is fixed on the lower end of Connection Block (6) through said guider I (12); Said cushion block (5) is back taper, and cushion block (5) is sleeved on the upper end of insulated tension pole (7), and is positioned between axis of guide I (13) and the soft connection device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202972546U CN202159622U (en) | 2011-08-16 | 2011-08-16 | Single-phase high voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202972546U CN202159622U (en) | 2011-08-16 | 2011-08-16 | Single-phase high voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202159622U true CN202159622U (en) | 2012-03-07 |
Family
ID=45767248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202972546U Expired - Lifetime CN202159622U (en) | 2011-08-16 | 2011-08-16 | Single-phase high voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202159622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493041A (en) * | 2018-02-08 | 2018-09-04 | 北京双杰电气股份有限公司 | A kind of unidirectional gas damping buffering insulated tension pole |
-
2011
- 2011-08-16 CN CN2011202972546U patent/CN202159622U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493041A (en) * | 2018-02-08 | 2018-09-04 | 北京双杰电气股份有限公司 | A kind of unidirectional gas damping buffering insulated tension pole |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120307 |