CN202172041U - High voltage permanent magnet vacuum circuit breaker on outdoor post - Google Patents
High voltage permanent magnet vacuum circuit breaker on outdoor post Download PDFInfo
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- CN202172041U CN202172041U CN2011202585929U CN201120258592U CN202172041U CN 202172041 U CN202172041 U CN 202172041U CN 2011202585929 U CN2011202585929 U CN 2011202585929U CN 201120258592 U CN201120258592 U CN 201120258592U CN 202172041 U CN202172041 U CN 202172041U
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Abstract
Provided is a high voltage permanent magnet vacuum circuit breaker on an outdoor post. Solid sealed pole columns are installed above a housing; a permanent magnet operation mechanism is installed in the housing; one end of a horizontal moving lever assembly is in connection with a main shaft of the permanent magnet operation mechanism; the horizontal moving lever assembly is hinged to an insulation pull bar through a connection plate. The left end face inner wall of the housing is fixedly provided with two bearing seats between which a rotating shaft is support installed, the rotating shaft being fixedly provided with a lower connecting lever and two upper connecting levers which all have a same angle; The back and forth inner walls of the housing left end through a support are symmetrically and fixedly provided with two oil buffer units, the top of which are respectively located under the tops of the two upper connecting levers; the other end of the horizontal moving lever is against the bottom inner side of the lower connecting lever. According to the utility model, the problem of separating brake rebound exceeding standard of the high voltage permanent magnet vacuum circuit breaker that exists for years is solved, the reliability and security of outdoor breaker operation are raised and furthermore the safe operation of electrical networks is guaranteed.
Description
Technical field
The utility model belongs to high pressure equipment for power transmission and distribution manufacturing technology field, is specifically related to high voltage permanent vacuum circuit-breaker on a kind of outdoor post.
Background technology
Outdoor high-voltage permanent magnetism vacuum circuit-breaker is as the key equipment of control and protection electric power netting safe running; Its major function mainly relies on the permanent-magnet manipulating mechanism of installing in the circuit breaker to drive the moving contact knee-action in the vacuum interrupter; Make the fixed contact of moving contact and the upper end of lower end in the vacuum interrupter cut-off or close and close, thereby realize the disconnection and the closure of electric current in the operation of power networks.Circuit breaker has very big electric current of load and very high voltage between the dynamic and static contact of arc control device when operation of power networks.Particularly when electrical network breaks down, as: line short, circuit suffers lightning impulse, and at this moment the transient current in the circuit will be above the rated current several times.This just requires circuit breaker, to break off with high speed (1.2m/s) in the short time (18-30ms) at the utmost point, thus the protection power grid security.10kv section vacuum circuit-breaker on the present outdoor post, for development and the requirement that adapts to intelligent electrical network, its actuating part all adopts permanent magnet mechanism as power source.Though that permanent magnet mechanism has is energy-conservation, low consumption, high life, plurality of advantages such as non-maintaining have obtained extensively quoting.But in exfactory inspection and practical application, there is this index exceeding standard of separating brake bounce-back; Regulation among GB GB1984-2008 (high-voltage AC breaker) and the JB/T 3855-2008 (HVAC vacuum circuit breaker): separating brake bounce-back amplitude≤2mm. and in putting into practice each manufacturer do not reach this index; Usually about 3mm, and exceeding standard of this index often brings the poor reliability of circuit breaker.Even vacuum interrupter fracture behind current over-zero is breakdown again in interrupting process, and the phenomenon of restriking, and produces overvoltage and burn out power equipment.
In order to eliminate the separating brake bounce-back that reduces vacuum circuit-breaker, make its be in a safe and rational interval (≤2mm).Efficient ways is to solve bounce pressure with the oil buffering at present, but major part all is applied on the indoor vacuum circuit-breaker.To the outdoor circuit breaker outdoor pole-mounted circuit breaker of 10kv section particularly,, all adopted rubber blanket to cushion separating brake elastic force owing to receive the restriction of architectural characteristic.Its effect is unsatisfactory, and separating brake bounce-back amplitude can not be up to standard, in case running time is long, rubber blanket is aging, elastic force descends, and effect is poorer, brings hidden danger to power grid security.
Summary of the invention
The technical problem that the utility model solves: high voltage permanent vacuum circuit-breaker on a kind of outdoor post is provided; Set up the little stroke oil of cover bilateral buffer unit; Successfully solved on the outdoor for many years post high voltage permanent vacuum circuit-breaker separating brake bounce-back this difficult problem that exceeds standard; Improve outdoor circuit breaker reliability of operation and fail safe, and then guaranteed electric power netting safe running.
The technical solution of the utility model: high voltage permanent vacuum circuit-breaker on a kind of outdoor post; Comprise pole and shell and permanent-magnet manipulating mechanism; Pole is installed in the top of shell; Permanent-magnet manipulating mechanism is installed in the enclosure, and an end of horizontal movement bar assembly connects with the main shaft of permanent-magnet manipulating mechanism, and horizontal movement bar assembly is hinged through the insulated tension pole of connecting plate and pole lower end.Be fixed with two supporting bases on the left side inwall of said shell; Rotating shaft is supported and is installed between two supporting bases; And be fixed with angle identical a following connecting lever and two last connecting levers in the rotating shaft, and make down connecting lever be positioned at the middle part of rotating shaft, go up the connecting lever symmetry for two and be positioned at the both sides of connecting lever down; Be symmetrically fixed with two oily buffer units through support on the inwall before and after the said shell left part, and make the top of two oily buffer units lay respectively at two belows of going up the connecting lever top, the other end of horizontal movement bar assembly withstands on down the inboard, bottom of connecting lever.
Be connected with extension spring between the left side inwall of the said outside, connecting lever bottom down and shell.
The top of said shell is equipped with A, B, three poles of C; Permanent-magnet manipulating mechanism is between A, two poles of B; Horizontal movement bar assembly is made up of meropodium and pipe nipple; One end of meropodium connects with the main shaft left end of permanent-magnet manipulating mechanism, and it is inboard that the other end withstands on down the bottom of connecting lever, and the insulated tension pole of pole lower end is hinged mutually with B, C respectively through connecting plate at the middle part; One end of pipe nipple connects with the main shaft right-hand member of permanent-magnet manipulating mechanism, and the insulated tension pole of pole lower end is hinged mutually through connecting plate and A for the other end.
The utility model compared with prior art through setting up the little stroke oil of cover bilateral buffer unit, makes the power of eliminating the separating brake bounce-back become flexibility, become certainty, become controllable operating by uncontrollable operation by uncertainty by rigidity.Through test, separating brake bounce-back amplitude≤2mm.Successfully solved on the outdoor for many years post high voltage permanent vacuum circuit-breaker separating brake bounce-back this difficult problem that exceeds standard, improved outdoor circuit breaker reliability of operation and fail safe, and then guaranteed electric power netting safe running.
Description of drawings
Fig. 1 is the structural representation of the utility model,
Fig. 2 is the utility model partial structurtes sketch mapes,
Fig. 3 is the A-A cutaway view of Fig. 2,
Fig. 4 is the B-B cutaway view of Fig. 3.
Embodiment
A kind of embodiment of the utility model is described in conjunction with accompanying drawing 1,2,3,4.
High voltage permanent vacuum circuit-breaker on a kind of outdoor post; Comprise pole 1 and shell 7 and permanent-magnet manipulating mechanism 16; The top of said shell 7 is equipped with A, B, three poles 1 of C; Permanent-magnet manipulating mechanism 16 is fixed in the shell 7 and between A, two poles 1 of B; Horizontal movement bar assembly 13 is made up of meropodium 17 and pipe nipple 18, and an end of meropodium 17 connects with the main shaft left end of permanent-magnet manipulating mechanism 16, and connecting plate 11 is passed through at the middle part, and the insulated tension pole 9 of pole 1 lower end is hinged mutually with B, C respectively; One end of pipe nipple 18 connects with the main shaft right-hand member of permanent-magnet manipulating mechanism 16, and the insulated tension pole 9 of pole 1 lower end is hinged mutually through connecting plate 11 and A for the other end.
Be symmetrically fixed with two supporting bases 8 on the left side inwall of said shell 7; Rotating shaft 4 is supported and is installed between two supporting bases 8; And be fixed with connecting lever angle identical a following connecting lever 2 and two last connecting levers 3 in the rotating shaft 4; And make down connecting lever 2 be positioned at the middle part of rotating shaft 4, go up connecting lever 3 symmetries for two and be positioned at the both sides of connecting lever 2 down; Be symmetrically fixed with two oily buffer units 5 through support 6 on the inwall before and after said shell 7 left parts; And the top that makes two oily buffer units 5 lays respectively at two belows of going up connecting lever 3 tops, and the other end of the meropodium 17 of horizontal movement bar assembly 13 withstands on down the inboard, bottom of connecting lever 2.
The below of said A, B, three poles 1 of C is equipped with and is connected fixing pedestal 12 with shell 7 upper surface inwalls; 11 two of connecting plates are one group totally three groups; The lower end of each group connecting plate 11 is connected connecting plate 11 and moving lever assembly 13 in the horizontal slotted hole in pedestal 12 lower ends through trundle II 14, and the upper end is connected connecting plate 11 and insulated tension pole 9 in the vertical slotted hole in pedestal 12 upper ends through trundle I 10.
Be connected with extension spring 15 between the left side inwall of the said outside, connecting lever 2 bottoms down and shell 7.
Operation principle: during permanent-magnet manipulating mechanism 16 work, according to the divide-shut brake instruction, its main shaft left and right horizontal motion is done same movement thereby drive the moving lever assembly 13 that is connected with it.In motion process, make trundle II 14, trundle I 10 in the horizontal slotted hole of pedestal 12 and vertical slotted hole, do level respectively and move both vertically, move up and down, reach the divide-shut brake function thereby drive the moving contact that links to each other with insulated tension pole 9 through connecting plate 11.According to instruction when the separating brake; Connecting lever 2 clockwise rotated an angle under moving lever assembly 13 moved horizontally left fast and promotes; Also clockwise rotate equal angular through connecting lever 3 in the drive of rotating shaft 4; And press down oily buffer unit 5 and move down, reach and eliminate the purpose that the separating brake bounce reduces the separating brake bounce-back.Moving lever bar assembly 13 horizontal movements in the other direction when closing a floodgate, under the reaction force of oily buffer unit 5, last connecting lever 3 rotates counterclockwise and through rotating shaft 4 connecting lever 2 is resetted.The effect of extension spring 15 is in order to prevent down that connecting lever 2 resets excessively, and guarantees to go up connecting lever 3 tops and do not throw off all the time with oily buffer unit 5 tops, for separating brake is ready next time, improves and eliminates the separating brake bounces through oily buffer unit 5 and reduce the reliability that separating brake rebounds.
Claims (3)
1. high voltage permanent vacuum circuit-breaker on the outdoor post; Comprise pole (1) and shell (7) and permanent-magnet manipulating mechanism (16); Pole (1) is installed in the top of shell (7), and permanent-magnet manipulating mechanism (16) is installed in the shell (7), and an end of horizontal movement bar assembly (13) connects with the main shaft of permanent-magnet manipulating mechanism (16); Horizontal movement bar assembly (13) is hinged with the insulated tension pole (9) of pole (1) lower end through connecting plate (11); It is characterized in that: be fixed with two supporting bases (8) on the left side inwall of said shell (7), rotating shaft (4) is supported and is installed between two supporting bases (8), and is fixed with the identical following connecting lever (2) of angle and two last connecting levers (3) in the rotating shaft (4); And make down connecting lever (2) be positioned at the middle part of rotating shaft (4), go up connecting lever (3) symmetry for two and be positioned at the both sides of connecting lever (2) down; Be symmetrically fixed with two oily buffer units (5) through support (6) on the inwall before and after said shell (7) left part; And the top that makes two oily buffer units (5) lays respectively at two belows of going up connecting lever (3) tops, and the other end of horizontal movement bar assembly (13) withstands on down the inboard, bottom of connecting lever (2).
2. high voltage permanent vacuum circuit-breaker on the outdoor post according to claim 1 is characterized in that: be connected with extension spring (15) between the left side inwall of the said outside, connecting lever (2) bottom down and shell (7).
3. high voltage permanent vacuum circuit-breaker on the outdoor post according to claim 1 and 2; It is characterized in that: the top of said shell (7) is equipped with A, B, three poles of C (1); Permanent-magnet manipulating mechanism (16) is positioned between A, two poles of B (1); Horizontal movement bar assembly (13) is made up of meropodium (17) and pipe nipple (18); One end of meropodium (17) connects with the main shaft left end of permanent-magnet manipulating mechanism (16), and it is inboard that the other end withstands on down the bottom of connecting lever (2), and the insulated tension pole (9) of pole (1) lower end is hinged mutually with B, C respectively through connecting plate (11) at the middle part; One end of pipe nipple (18) connects with the main shaft right-hand member of permanent-magnet manipulating mechanism (16), and the insulated tension pole (9) of pole (1) lower end is hinged mutually through connecting plate (11) and A for the other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202585929U CN202172041U (en) | 2011-07-20 | 2011-07-20 | High voltage permanent magnet vacuum circuit breaker on outdoor post |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202585929U CN202172041U (en) | 2011-07-20 | 2011-07-20 | High voltage permanent magnet vacuum circuit breaker on outdoor post |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202172041U true CN202172041U (en) | 2012-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202585929U Expired - Fee Related CN202172041U (en) | 2011-07-20 | 2011-07-20 | High voltage permanent magnet vacuum circuit breaker on outdoor post |
Country Status (1)
| Country | Link |
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| CN (1) | CN202172041U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290282A (en) * | 2011-07-20 | 2011-12-21 | 陕西烽火盛天电子科技有限公司 | Outdoor pole type high voltage permanent magnet vacuum circuit breaker |
| CN102810428A (en) * | 2012-07-23 | 2012-12-05 | 平高集团有限公司 | Vacuum circuit breaker |
| CN103236358A (en) * | 2013-04-15 | 2013-08-07 | 无锡市锡山湖光电器有限公司 | Buffer for circuit breaker |
| CN105590788A (en) * | 2014-11-06 | 2016-05-18 | 阿尔斯通运输科技公司 | Contactor and at least one vacuum interrupter and means for regulating the opening speed of each interrupter |
-
2011
- 2011-07-20 CN CN2011202585929U patent/CN202172041U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290282A (en) * | 2011-07-20 | 2011-12-21 | 陕西烽火盛天电子科技有限公司 | Outdoor pole type high voltage permanent magnet vacuum circuit breaker |
| CN102810428A (en) * | 2012-07-23 | 2012-12-05 | 平高集团有限公司 | Vacuum circuit breaker |
| CN103236358A (en) * | 2013-04-15 | 2013-08-07 | 无锡市锡山湖光电器有限公司 | Buffer for circuit breaker |
| CN105590788A (en) * | 2014-11-06 | 2016-05-18 | 阿尔斯通运输科技公司 | Contactor and at least one vacuum interrupter and means for regulating the opening speed of each interrupter |
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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: 20120321 Termination date: 20140720 |
|
| EXPY | Termination of patent right or utility model |