CN201417705Y - 252kV outdoor high voltage circuit breaker - Google Patents
252kV outdoor high voltage circuit breaker Download PDFInfo
- Publication number
- CN201417705Y CN201417705Y CN2009200253419U CN200920025341U CN201417705Y CN 201417705 Y CN201417705 Y CN 201417705Y CN 2009200253419 U CN2009200253419 U CN 2009200253419U CN 200920025341 U CN200920025341 U CN 200920025341U CN 201417705 Y CN201417705 Y CN 201417705Y
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- connecting lever
- transmission case
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- spring
- operating mechanism
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- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 238000004146 energy storage Methods 0.000 claims description 23
- 238000010791 quenching Methods 0.000 abstract description 3
- 230000000171 quenching effect Effects 0.000 abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000002950 deficient Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of electric equipment in a transformer substation, in particular to a 252kV outdoor high voltage circuit breaker, which comprises an arc quenching chamber, a transmission box and an operation mechanism and the like, wherein the arc quenching chamber is arranged on the upper portion of the transmission box, the transmission box is connected with theoperation mechanism through an output pull rod (15), a switching spring (5) is connected with an oil storage shaft (7) through a sprocket chain transmission system, a small crank arm (1) and a cam (3)are arranged on the oil storage shaft (7), an output crank arm (2) is arranged on one side of the oil storage shaft (7) and is connected with the small crank arm (1), and the output roll rod (15) ofthe transmission box is articulated with the upper portion of the output crank arm (2). The 252kV outdoor high voltage circuit breaker improves the structure of the operation mechanism, which leads the mechanism to be uniformly powered when a switch acts, and the operation is steady. The energy which is stored by the switching spring (5) is directly transferred to the oil storage shaft (7) by a sprocket and a chain, has no elastic sliding, and can guarantee accurate average transmission ratio. The 252kV outdoor high voltage circuit breaker has the characteristics of reasonable structure, excellent mechanism stability, large operation power, high work reliability and the like.
Description
Technical field
The utility model relates to the technical field of electrical equipment in a kind of transformer station, specifically a kind of 252kV outdoor high voltage circuit breaker.
Background technology
Transformer station is the flow direction of voltage of transformation in the electric power system, acceptance and distribution electric energy, control electric power and the electric power facility of adjusting voltage, and it gets up by the grid contact of transformer with each step voltage.Wherein the 252kV outdoor high voltage circuit breaker is an electric equipment relatively commonly used in the transformer station, and its effect is under the electric power system normal operation, be used for closing and open circuit, and during fault faulty equipment with circuit disconnects or the electric equipment of automatic reclosing.The production of 252kV outdoor high voltage circuit breaker and use form scale at home gradually, and some High-Voltage Electrical Appliances manufacturing enterprises have successively released dissimilar circuit breakers.But there are some defectives in domestic this series products, adopts the click transmission usually as operating mechanism, impacts greatly during the action of this structure, and transmission efficiency is poor, and defective such as unstable properties, and the application of this series products is very limited.
Summary of the invention
The purpose of this utility model provides a kind of rational in infrastructure, the 252kV outdoor high voltage circuit breaker that mechanism stable is good, operand power is big, transmission efficiency is high.
The technical solution adopted in the utility model is: a kind of 252kV outdoor high voltage circuit breaker, comprise arc control device, transmission case, operating mechanism, be provided with outer connecting lever in the transmission case, the insulated tension pole of the interior bottom of arc control device stretches into the top of transmission case and is articulated and connected with the outer connecting lever of transmission case middle part, one end of outer connecting lever is articulated and connected with the output pull bar, the other end is articulated and connected by vertical pull bar and tripping spring, and described output pull bar stretches out transmission case and is connected with operating mechanism; Described operating mechanism is a spring operating mechanism, comprise switching-in spring, release, output toggle arm, little connecting lever and cam, release is arranged on top, the below of release is provided with the energy storage axle, switching-in spring is installed in the below of energy storage axle by sprocket wheel chain power train, little connecting lever and cam are arranged on the energy storage axle, output toggle arm is arranged on a side of energy storage axle and is articulated and connected by splined shaft and little connecting lever, output toggle arm is provided with roller and is connected with cam, the lower end and the girt of output toggle arm are articulated and connected, the top of little connecting lever and output toggle arm is provided with sincere son, and the output pull bar that stretches out from transmission case is connected with the upper articulation of output toggle arm.
Described transmission case bottom is provided with the splitting lock cushioning device, and the operating mechanism outer setting has casing, and the switching-in spring of operating mechanism is two covers, by the both sides that are arranged on casing of spring tray symmetry.
Because the utility model has improved the structure of operating mechanism, mechanism is stressed evenly when making switch motion, and actuating is stable; The energy that switching-in spring stored up is directly passed to the energy storage axle by sprocket wheel, chain, there is not Elastic Sliding, can guarantee average ratios accurately, there is not existing impact phenomenon in the original click transmission, can improve its functional reliability, can be higher, have in the adverse circumstances such as greasy dirt and work in temperature.
Description of drawings
Fig. 1 is a schematic diagram of the present utility model
Embodiment
Now in conjunction with the accompanying drawings the utility model is further described, Fig. 1 is a kind of embodiment of the present utility model, the circuit breaker three-phase is discrete, each comprises a support mutually, support is provided with arc control device, transmission case, operating mechanism, arc control device are arranged on transmission case top, and arc control device adopt single break self-energy quenching arc formula.Operating mechanism is arranged on transmission case one side.Be provided with outer connecting lever 13 in the transmission case, the insulated tension pole of bottom stretches into the into top of transmission case in the arc control device, is articulated and connected with the middle part of the outer connecting lever 13 of transmission case.One end of outer connecting lever 13 is articulated and connected with output pull bar 15, and the other end is articulated and connected by vertical pull bar and tripping spring 12, and described output pull bar 15 stretches out transmission case and is connected with operating mechanism.
Described operating mechanism is arranged in the casing, and this operating mechanism is a spring operating mechanism, comprises switching-in spring 5, release, output toggle arm 2, little connecting lever 1 and cam 3 etc.The switching-in spring 5 of operating mechanism is two covers in the present embodiment, by the both sides that are arranged on casing of spring tray 10 symmetries.Release comprises energy storage release 6 and closes a floodgate maintenance release 11, all be arranged on the top of casing, the below of release is provided with the energy storage axle, described switching-in spring 5 is connected the below of energy storage axle by sprocket wheel chain power train, sprocket wheel comprises hinge wheel 4 and minor sprocket 14,14 of minor sprockets pass through worm gear, worm screw links to each other with motor, and hinge wheel 4 is contained on the energy storage axle 7 with cam 3 and little connecting lever 1.The sprocket wheel chain can drive switching-in spring 5 motions.Little connecting lever 1 and cam 3 are arranged on the energy storage axle, output toggle arm 2 is arranged on a side of energy storage axle 7 and is articulated and connected by splined shaft and little connecting lever 1, output toggle arm 2 is provided with roller and is connected with cam 3, the lower end and the girt of output toggle arm 2 are articulated and connected, energy storage axle 7 can drive little connecting lever 1 and cam 3 rotates, and little connecting lever 1 can drive output toggle arm 2 rotations simultaneously.The output pull bar 15 that stretches out from transmission case is connected with the upper articulation of output toggle arm 2.Top at little connecting lever 1 and output toggle arm 2 is provided with sincere son, when little connecting lever 1 or output toggle arm 2 rotations, stirs release by sincere son, realizes threading off.Also be provided with the splitting lock cushioning device in the transmission case bottom, the impact of the outer connecting lever 13 of 12 pairs of transmission cases of tripping spring when the splitting lock cushioning device is used to cushion sub-switching operation.
Branch, the closing operation of arc control device provide power by operating mechanism, and tripping spring 12 all is in release condition with switching-in spring 5 during beginning, and 14 of minor sprockets pass through worm gear, worm screw links to each other with motor, and hinge wheel 4 is contained on the energy storage axle 7 with cam 3 and little connecting lever 1.Output toggle arm 2 and little connecting lever 1 all do not contact with release.
During energy storage, driven by motor is rotated by worm screw together, rotate counterclockwise with 14 of worm gear drives minor sprockets of worm engaging and chain, little connecting lever 1 clockwise rotates, and is held when little connecting lever 1 forwards certain angle to that release fastens and static, this moment, hinge wheel 4 also kept motionless together with cam 3, so chain is spring tray 10 pull-ups, travel switch cuts off the contactor power supply when reaching the energy storage stroke, contactor and then cut-out motor power, the motor stall, switching-in spring 5 thermal energy storage processes are finished.
During closing operation, operating mechanism is received switching signal, closing coil is subjected to, the action moving unshakable in one's determination of making electromagnet, energy storage release 6 discharges little connecting lever 1, this moment, the self-locking action because of worm and wormwheel can't be rotated 14 of minor sprockets, thereby making switching-in spring 5 drive hinge wheel 4 turns clockwise fast, the drive cam 3 coaxial with it clockwise rotates the roller on bump and the promotion output toggle arm 2 simultaneously, connecting lever is outwards moved, thereby the outer connecting lever 13 that drives on the transmission case by the girt that is connected with output toggle arm 2 moves, afterwards the moving contact by insulating bar and iron pull bar drive arc control device closes a floodgate fast, output toggle arm 2 is closed a floodgate and is kept release 11 lockings simultaneously, makes the stable closing position that remains on of body; The tripping spring 12 that links to each other with the outer connecting lever 13 of transmission case is compressed energy storage simultaneously, in order to sub-switching operation.
During sub-switching operation, operating mechanism is received sub-gate signal, switching winding is subjected to, the action moving unshakable in one's determination of tripping electromagnet, driving closes a floodgate keeps release 11 to discharge output toggle arm 2, and the outer connecting lever 13 of tripping spring 12 pulling transmission cases is rotated counterclockwise, and drives the moving contact quick acting switching-off operation of arc control device afterwards by insulating bar and iron pull bar, make circuit breaker be in the separating brake position, the separating brake process does not influence the energy storage of combined floodgate spring.
This shows, the utlity model has rational in infrastructurely, mechanism stable is good, operand power is big, The transmission efficiency high.
Claims (2)
1, a kind of 252kV outdoor high voltage circuit breaker, comprise arc control device, transmission case, operating mechanism, it is characterized in that: be provided with outer connecting lever (13) in the transmission case, the insulated tension pole of bottom stretches into the top of transmission case and is articulated and connected with outer connecting lever (13) middle part of transmission case in the arc control device, one end of outer connecting lever (13) is articulated and connected with output pull bar (15), the other end is articulated and connected by vertical pull bar and tripping spring (12), and described output pull bar (15) stretches out transmission case and is connected with operating mechanism; Described operating mechanism is a spring operating mechanism, comprise switching-in spring (5), release, output toggle arm (2), little connecting lever (1) and cam (3), release is arranged on top, the below of release is provided with energy storage axle (7), switching-in spring (5) is installed in the below of energy storage axle (7) by sprocket wheel chain power train, little connecting lever (1) and cam (3) are arranged on the energy storage axle (7), output toggle arm (2) is arranged on a side of energy storage axle (7) and is articulated and connected by splined shaft and little connecting lever (1), output toggle arm (2) is provided with roller and is connected with cam (3), the lower end and the girt of output toggle arm (2) are articulated and connected, the top of little connecting lever (1) and output toggle arm (2) is provided with sincere son, and the output pull bar (15) that stretches out from transmission case is connected with the upper articulation of output toggle arm (2).
2,252kV outdoor high voltage circuit breaker according to claim 1, it is characterized in that: described transmission case bottom is provided with the splitting lock cushioning device, the operating mechanism outer setting has casing, and the switching-in spring of operating mechanism (5) is two covers, by the both sides that are arranged on casing of spring tray (10) symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200253419U CN201417705Y (en) | 2009-05-13 | 2009-05-13 | 252kV outdoor high voltage circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200253419U CN201417705Y (en) | 2009-05-13 | 2009-05-13 | 252kV outdoor high voltage circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201417705Y true CN201417705Y (en) | 2010-03-03 |
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ID=41794131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200253419U Expired - Fee Related CN201417705Y (en) | 2009-05-13 | 2009-05-13 | 252kV outdoor high voltage circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201417705Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024614A (en) * | 2010-12-02 | 2011-04-20 | 江苏德春电力科技有限公司 | Breaker switch |
| CN105225900A (en) * | 2015-09-28 | 2016-01-06 | 平高集团有限公司 | Circuit breaker and spring operating mechanism thereof and chain energy storage device |
| CN109786141A (en) * | 2018-12-26 | 2019-05-21 | 山东泰开电器机构有限公司 | A kind of high-voltage breaker spring operating mechanism and transmission device |
| CN112382968A (en) * | 2020-10-10 | 2021-02-19 | 广西电网有限责任公司电力科学研究院 | Circuit breaker mechanism does not have power failure and changes device |
| CN112611346A (en) * | 2020-12-11 | 2021-04-06 | 广西电网有限责任公司桂林供电局 | Positioning special tool for energy storage shaft of Siemens mechanism |
-
2009
- 2009-05-13 CN CN2009200253419U patent/CN201417705Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024614A (en) * | 2010-12-02 | 2011-04-20 | 江苏德春电力科技有限公司 | Breaker switch |
| CN105225900A (en) * | 2015-09-28 | 2016-01-06 | 平高集团有限公司 | Circuit breaker and spring operating mechanism thereof and chain energy storage device |
| CN105225900B (en) * | 2015-09-28 | 2017-06-30 | 平高集团有限公司 | Breaker and its spring operating mechanism and chain energy storage device |
| CN109786141A (en) * | 2018-12-26 | 2019-05-21 | 山东泰开电器机构有限公司 | A kind of high-voltage breaker spring operating mechanism and transmission device |
| CN112382968A (en) * | 2020-10-10 | 2021-02-19 | 广西电网有限责任公司电力科学研究院 | Circuit breaker mechanism does not have power failure and changes device |
| CN112611346A (en) * | 2020-12-11 | 2021-04-06 | 广西电网有限责任公司桂林供电局 | Positioning special tool for energy storage shaft of Siemens mechanism |
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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: 20100303 Termination date: 20120513 |