CN201215782Y - Circuit breaker for 15kV indoor high-voltage vacuum electricity generator - Google Patents
Circuit breaker for 15kV indoor high-voltage vacuum electricity generator Download PDFInfo
- Publication number
- CN201215782Y CN201215782Y CNU200820024499XU CN200820024499U CN201215782Y CN 201215782 Y CN201215782 Y CN 201215782Y CN U200820024499X U CNU200820024499X U CN U200820024499XU CN 200820024499 U CN200820024499 U CN 200820024499U CN 201215782 Y CN201215782 Y CN 201215782Y
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- spring
- main shaft
- vacuum interrupter
- out terminal
- energy storage
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Abstract
The utility model discloses a 15k V indoor high voltage vacuum generator breaker, wherein an upper lead-out terminal (4) and a lower lead-out terminal (6) are respectively fixed on the top and the bottom of a vacuum arc-extinguishing chamber (5), a pair of insulators (2) which are arranged in a steering knuckle mode are fixedly supported between a spring actuating mechanism (1) and the vacuum arc-extinguishing chamber (5), the joint between the upper lead-out terminal (4), the lower lead-out terminal (6) and the insulators (2) is provided with a grading ring (3), a conducting bar in the vacuum arc-extinguishing chamber (5) is connected with soft connection (7) through a conductive clip (8), the spring actuating mechanism (1) comprises an energy storage device, a locking device, a closing device, a separating device and a main shaft (16), wherein one end of an insulated pull rod (10) is connected with the main shaft (10) through a main shaft turn arm (11), and the other end is connected with the conducting bar in the vacuum arc-extinguishing chamber (5). The breaker is characterized in that the structure design is rational, the production and manufacture cost is low, and the operation is safe and reliable.
Description
Technical field
The utility model relates to the indoor Vacuum power generator circuit breaker of a kind of 15kV.
Background technology
Existing indoor high-voltage vacuum generator circuit breaker is in parts design and select for use, aspect such as overall structure, properties of product all exists more defective and deficiency, mainly shows:
DC component was bigger when 1, generator circuit breaker cut-off fault current, required 〉=75%, and existing circuit breaker can't meet the demands.
2, the general design and installation of existing circuit breaker primary conductive part in insulating cylinder or with the aluminium leading-out terminal fixedly vacuum interrupter connect the scope of temperature rise meeting off technical requirement.
3, to be that insulated barrel-type solves the problem of the above temperature rise heat radiation of rated current 5000A very difficult for the structural shape of existing circuit breaker; , the parallel installing type of insulator ruptures greatly easily because of stressed, mechanical driving part because of stressed be out of shape greatly also bigger.
4, electromagnetic field skewness in the existing large current interruption device course of work in the equipment running process, quickens the ageing process of insulating part.
5, existing circuit breaker transmission mechanism is generally independently, parts kind multiclass, and complex structure has brought huge difficulty to operation and maintenance.
Summary of the invention
For solving the above problem that exists in the prior art, the utility model provides a kind of indoor high-voltage vacuum generator circuit breaker, and its technical scheme of taking is:
Vacuum interrupter is the cup shape and longitudinal magnetic field vacuum interrupter, its top and bottom are fixed with leading-out terminal and lower wire end respectively, the a pair of insulator that is the arrangement of goat's horn formula is fixedly supported between spring operating mechanism and the vacuum interrupter, last leading-out terminal and lower wire end and insulator lap-joint are provided with grading ring, and the conducting rod in the vacuum interrupter is flexible coupling by the conductive clip connection; Spring operating mechanism comprises energy storage device, locking device, on/off switch device and main shaft, locking device comprises combined floodgate pallet and separating brake pallet, the on/off switch device comprises switching-in spring, making electromagnet, tripping spring and tripping electromagnet, energy storage device can be the switching-in spring energy storage, the stretching of combined floodgate pallet lockable switching-in spring, the rotation of separating brake pallet lockable main shaft, one end of insulated tension pole connects main shaft by the main shaft connecting lever, and its other end is by the conducting rod in the transmission crank arm connection vacuum interrupter.
Vacuum interrupter adopts vertical magnetic field vacuum interrupter, has strong and stable current breaking capacity, improves the circuit breaker just-off speed.Vacuum interrupter is fixed upper and lower leading-out terminal, uses the casting of red copper material to form, and adopts three forms that are flexible coupling, and has improved heat transfer condition, perfect heat-dissipating, the problem of temperature rise when having solved the operation of circuit breaker 5000A electric current.Major loop adopts double insulator goat's horn formula to support, and guarantees that circuit breaker has high mechanical strength and dynamic and thermal stability performance.Increase grading ring at last lower wire end and insulator lap-joint, the electromagnetic field at electric field insulator place is evenly distributed.Take the special purpose spring operating mechanism,, operating function is complete, the reliability height.
Therefore the utlity model has reasonable in design, manufacture that cost is low, the handling safety reliable characteristics.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the left view of Fig. 1.
Embodiment
Is that example is described further the utility model below in conjunction with accompanying drawing with VTK-15 indoor high-voltage vacuum generator circuit breaker:
As depicted in figs. 1 and 2, vacuum interrupter 5 is the cup shape and longitudinal magnetic field vacuum interrupter, and this structure makes arc control device have strong and stable current breaking capacity.Vacuum interrupter 5 tops and bottom are fixed with leading-out terminal 4 and lower wire end 6 respectively, last lower wire end is adopted the casting of red copper material and is formed, compare with casting aluminium material, reduce loop resistance, increased heat conductivility, insulator 2 is fixedly supported between spring operating mechanism 1 and the vacuum interrupter 5, its major loop adopts double insulator goat's horn formula to support, increase the quantity and the installation form of supporting insulator, form subtriangular rock-steady structure behind the breaker closing, last leading-out terminal 4 and lower wire end 6 are provided with grading ring 3 with insulator 2 lap-joints, improve and the busbar overlapping mode, adopt perpendicular interconnection system, more help the conduction of heat; Three forms that are flexible coupling are adopted in design, and the conducting rod in the vacuum interrupter 5 is flexible coupling 7 by conductive clip 8 connections.
A, stored energy operation: operating mechanism has electric energy-stored and manual energy storage dual mode.
When energized, under driving, the worm gear of axle sleeve in reduction box 13 rotate, when ratchet enters breach on the cam 14, driving the energy storage axle rotates, switching-in spring 12 is pulled up energy storage, the pallet that closed a floodgate when switching-in spring is pulled to peak locking, the small rod on the crank, promote a little bent plate, depress auxiliary switch, motor power is cut off, and " energy storage indication " is presented in the panel indicator hole, energy storage finishes, energy storage time≤15s.
Manually during energy storage, manual energy storage crank is inserted in the rocking handle hole in decelerator the place ahead, clockwise rotate about 50 and enclose, energy storage finishes, and takes off handle.Behind the breaker closing, spring energy discharges, and motor is given switching-in spring energy storage, also manually energy storage immediately.
B, closing operation: connect making electromagnet 20, or with hand combined floodgate dark buttons 21, combined floodgate pallet constraint release, the energy storage axle is backward rotation under the effect of spring, cam is pressed on the needle bearing of culdy, lever is given main shaft with energy delivery, conducting rod moves upward, when rotating about 60 °, pinned by main shaft by the separating brake pallet, switch closes a floodgate, tripping spring energy storage simultaneously, and the touch spring 22 on the insulated tension pole also is compressed, apply certain contact pressure to contact, " indication of closing a floodgate " is presented in the panel hole.
C, sub-switching operation: connect tripping electromagnet 24 power supplys or with hand separating brake red button 25, separating brake pallet constraint relief, main shaft rotates under the effect of tripping spring 17 and touch spring 22, and conducting rod moves downward, switch realization separating brake; " separating brake indication " is presented in the panel hole.
This circuit breaker adopts suspension type to install, and can be convenient to fit over fixed and handcart switch cabinet.Mainly be installed in the control and the protection that are used for generator between generator and the transformer, can realize simplifying the station service changeover program and, thereby improve the protective capability of equipment and the stability of system for the debugging of unit and maintenance facilitate.
Claims (1)
1, a kind of 15kV indoor high-voltage vacuum generator circuit breaker, comprise spring operating mechanism (1), insulator (2) and vacuum interrupter (5), it is characterized in that: vacuum interrupter (5) is the cup shape and longitudinal magnetic field vacuum interrupter, its top and bottom are fixed with leading-out terminal (4) and lower wire end (6) respectively, the a pair of insulator (2) that is the arrangement of goat's horn formula is fixedly supported between spring operating mechanism (1) and the vacuum interrupter (5), last leading-out terminal (4) and lower wire end (6) are provided with grading ring (3) with insulator (2) lap-joint, and the conducting rod in the vacuum interrupter (5) connects be flexible coupling (7) by conductive clip (8); Spring operating mechanism (1) comprises energy storage device, locking device, on/off switch device and main shaft (16), locking device comprises combined floodgate pallet and separating brake pallet, the on/off switch device comprises switching-in spring (12), making electromagnet (20), tripping spring (17) and tripping electromagnet (24), energy storage device can be switching-in spring (12) energy storage, the stretching of combined floodgate pallet lockable switching-in spring (12), the rotation of separating brake pallet lockable main shaft (16), one end of insulated tension pole (10) connects main shaft (10) by main shaft connecting lever (11), and its other end is by the conducting rod in transmission crank arm (9) the connection vacuum interrupter (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820024499XU CN201215782Y (en) | 2008-06-24 | 2008-06-24 | Circuit breaker for 15kV indoor high-voltage vacuum electricity generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820024499XU CN201215782Y (en) | 2008-06-24 | 2008-06-24 | Circuit breaker for 15kV indoor high-voltage vacuum electricity generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201215782Y true CN201215782Y (en) | 2009-04-01 |
Family
ID=40520986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820024499XU Expired - Fee Related CN201215782Y (en) | 2008-06-24 | 2008-06-24 | Circuit breaker for 15kV indoor high-voltage vacuum electricity generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201215782Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337205A (en) * | 2015-11-14 | 2016-02-17 | 彭伟成 | High-voltage electric transducer |
-
2008
- 2008-06-24 CN CNU200820024499XU patent/CN201215782Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337205A (en) * | 2015-11-14 | 2016-02-17 | 彭伟成 | High-voltage electric transducer |
| CN105337205B (en) * | 2015-11-14 | 2017-10-31 | 金华市秸和环保技术咨询有限公司 | A kind of high voltage variable electrical equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090401 Termination date: 20120624 |