CN106298357A - A kind of outdoor mesohigh line control unit - Google Patents
A kind of outdoor mesohigh line control unit Download PDFInfo
- Publication number
- CN106298357A CN106298357A CN201610716882.0A CN201610716882A CN106298357A CN 106298357 A CN106298357 A CN 106298357A CN 201610716882 A CN201610716882 A CN 201610716882A CN 106298357 A CN106298357 A CN 106298357A
- Authority
- CN
- China
- Prior art keywords
- vacuum interrupter
- cylinder
- feeler lever
- movable feeler
- cover plate
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings
Landscapes
- Manufacture Of Switches (AREA)
Abstract
The invention discloses a kind of outdoor mesohigh line control unit, including cylinder and cover plate, vacuum interrupter it is provided with in cylinder, fastening block is placed in the top of vacuum interrupter, on the outer circle wall of fastening block, hollow round table is installed, cylinder upper end inwall has the draw-in groove matched with hollow round table, vacuum interrupter is connected with fastening block, cylinder lower end inner wall is provided with a bracer, limiting plate is fixed on a bracer, lead and the push rod of inner hollow it is connected at vacuum interrupter two ends, in the upper end of push rod, ball is installed, ball upper surface and cover plate contact internal walls, through hole is had in the middle part of limiting plate, insulated tension pole upper end sequentially passes through through hole, after lead, the movable feeler lever with vacuum interrupter contacts.When breaking down, only need to open cover plate, utilize the clearance fit between hollow round table and draw-in groove, fixed block and vacuum interrupter can be taken out in the lump, abandon the installing/dismounting step that traditional chopper is complicated, greatly reduced the labor intensity of staff.
Description
Technical field
The present invention relates to vacuum circuit breaker technical field, specifically refer to a kind of outdoor mesohigh line control unit.
Background technology
On a kind of outdoor mesohigh line control unit of the prior art, vacuum interrupter typically by upper bracket and under
Support is arranged in insulating sleeve.This mounting structure and mounting means, owing to the installation site of lower carriage self needs other
Part fixes so that vacuum interrupter is after being installed to insulating sleeve inside, and lower end is easily rocked, in whole a kind of open air
High-tension line controls the normal work of device and has a great impact, and the installation process work of vacuum interrupter of the prior art
Sequence is complex, breaks down complex when changing, and affects the work efficiency of a kind of outdoor mesohigh line control unit.
Summary of the invention
It is an object of the invention to provide a kind of outdoor mesohigh line control unit, it is to avoid vacuum interrupter shakes
Dynamic, it is effectively improved vacuum interrupter mounting stability in cylinder.
The purpose of the present invention is achieved through the following technical solutions:
A kind of outdoor mesohigh line control unit, including single injection-molded cylinder and with cylinder upper end threaded engagement
Cover plate, in described cylinder, be provided with vacuum interrupter, circular fastening block is placed in the top of vacuum interrupter, and at fastening block
Outer circle wall on resilient hollow round table is installed, cylinder upper end inwall has the draw-in groove matched with hollow round table,
Described vacuum interrupter upper surface is connected with fastening block by bolt, and described cylinder lower end inner wall is provided with a bracer, limiting plate
Being fixed on a bracer, be connected to lead and the push rod of inner hollow at described vacuum interrupter two ends, institute's push rod passes through
Upwardly extending after wearing in the middle part of fastening block, and be provided with ball in the upper end of push rod, described ball connects with described cover plate inwall
Touch, in the middle part of described limiting plate, have through hole, insulated tension pole upper end sequentially pass through after described through hole, lead with vacuum interrupter
Movable feeler lever contact, described vacuum interrupter includes housing, be provided with in housing radome, corrugated tube, coaxial stationary contact bar with
Movable feeler lever, corrugated tube is fixed on inner walls lower end and is set in movable feeler lever epimere, and described movable feeler lever hypomere runs through vacuum extinction
Extending in described lead behind lower end, room, radome is fixed on movable feeler lever, between stationary contact bar and inner walls, under stationary contact bar
End is provided with static contact, is provided with the moving contact coordinated with static contact in movable feeler lever upper end, and static contact is helicla flute with moving contact
Horizontal magnetic, insulated tension pole upper end is connected with movable feeler lever after sequentially passing through described through hole, lead and vacuum interrupter lower end.
During use, cover plate and cylinder upper end are threaded connection to realize the sealing on vacuum interrupter top, in cylinder
Portion is provided with a bracer, and limiting plate is fixed on a bracer, to realize the sealing to vacuum interrupter bottom, is i.e. ensureing that vacuum is gone out
On the premise of arc chamber normally works, reach the dust-proof grade of vacuum interrupter in cylinder.It is provided with fastening block in cylinder upper end simultaneously,
And on the outer circle wall of fastening block, set resilient hollow round table, the draw-in groove phase interworking that hollow round table and cylinder inboard wall start
Close, and push rod runs through the middle part of fastening block, is provided with and the ball of cover plate contact internal walls in push rod upper end, and vacuum extinction
The upper end of room is connected with fastening block, i.e. utilizes mutually supporting between ball with cover plate to contact so that vacuum interrupter upper
Portion is stably fixed；And in the middle part of cylinder, the limiting plate on a bracer provides for vacuum interrupter and supports, and then ensure that vacuum is gone out
The entirety of arc chamber in cylinder by stable holding, it is to avoid vacuum interrupter shakes, and is effectively improved vacuum interrupter at cylinder
Interior mounting stability.Wherein, break down need to change vacuum interrupter time, only need to open cover plate, utilize hollow round table
And the clearance fit between draw-in groove, can take out in the lump by fixed block and vacuum interrupter, abandon traditional chopper complicated
Installing/dismounting step, greatly reduce the labor intensity of staff.Further, the horizontal magnetic of helicla flute is selected to touch as dynamic
Head, static contact, when disjunction short circuit current, can result from the magnetic field of electrode axis perpendicular, enough between its electrode
Under the effect of transverse magnetic field, vacuum arc is along the surface constantly high-speed motion of contact, and then avoids seriously melting of contact surface
Change, rapidly while convalescent period dielectric strength, beneficially arc extinction, can greatly reduce moving contact after current over-zero
And the loss of static contact, reduce the replacement frequency to vacuum interrupter, and extend the service life of chopper.Further, exist
Vacuum extinction is indoor, and corrugated tube i.e. can guarantee that fully sealing within vacuum interrupter, again can be in vacuum extinction outdoor actuating
Time make moving contact and static contact do a deciliter motion, and when electric arc produces, moving contact and quiet when radome can adsorb arcing
The metallic vapour of evaporation on contact, prevents the pollution of housing endogenous cause of ill metallic vapour from causing dielectric strength to reduce and insulation breakdown,
And the beneficially rapid recovery of blow-out penetrating arc gap dielectric strength, similarly, indoor in vacuum extinction, radome is by corrugated tube
Cover, it is possible to reduce the corrugated tube scaling loss degree by metallic vapour, and then increase the service life of vacuum interrupter.
The sidewall of described cylinder is respectively equipped with upper end wire outlet seat and lower end wire outlet seat.Arrange upper end occur seat with under
End wire outlet seat can facilitate and the indoor stationary contact bar of vacuum extinction, movable feeler lever are carried out wire connection, simultaneously upper end wire outlet seat and under
Using the wire outlet seat that classification of waterproof is higher on end wire outlet seat, and then improve inner barrel, particularly vacuum extinction indoor is waterproof
Dust-proof effect.
The inwall of described cylinder is provided with elastic sheet metal, and the end of described elastic sheet metal and insulated tension pole is upper
End connects.When moving contact in vacuum interrupter separates with static contact, movable feeler lever can drive insulated tension pole to move down, and works as vacuum electric
Arc disappear time, the back-moving spring on elastic sheet metal coordinated insulation pull bar together to insulated tension pole and movable feeler lever generation effect,
Make insulated tension pole and movable feeler lever Rapid reset.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, the present invention break down need to change vacuum interrupter time, only need to open cover plate, utilize hollow round table and draw-in groove it
Between clearance fit, fixed block and vacuum interrupter can be taken out in the lump, the installation having abandoned traditional chopper complicated is torn open
Unload step, greatly reduce the labor intensity of staff；
2, when present invention moving contact in vacuum interrupter separates with static contact, movable feeler lever can drive insulated tension pole to move down, when
When vacuum arc disappears, insulated tension pole and movable feeler lever are produced by back-moving spring on elastic sheet metal coordinated insulation pull bar together
Effect so that insulated tension pole and movable feeler lever Rapid reset；
3, the present invention has through hole at the middle part of ball so that vacuum interrupter moving contact separates with static contact or again connects
The applied stress produced when touching is when being transferred at cover plate, ball by self deformation and reply elastic force produced by deformation will
This applied stress eliminates, and makes ball have certain deformation space, to keep away in the middle part of it when compressed in offering of through hole
Exempt from the internal internal stress caused that mutually extrudes of ball to concentrate, reduce the extent of deterioration of ball, to reach to extend rubber
Ball service life and the purpose of reduction chopper frequency of maintenance.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes of the application
Point, it is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the sectional view of vacuum interrupter；
Fig. 3 is the structural representation of static contact and moving contact.
Labelling and corresponding parts title in accompanying drawing:
1-cylinder, 2-vacuum interrupter, 21-stationary contact bar, 22-static contact, 23-moving contact, 24-movable feeler lever, 25-corrugated tube, 26-
Radome, 27-shell, 3-elastic sheet metal, 4-lead, 5-limiting plate, 6-prop up bracer, 7-insulated tension pole, 8-fastening block, 9-
Cover plate, 10-push rod, 11-ball, 12-upper end wire outlet seat, 13-lower end wire outlet seat.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, to this
Invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, do not make
For limitation of the invention.
Embodiment 1
As shown in Fig. 1 ~ 3, the present embodiment include single injection-molded cylinder 1 and with the lid of cylinder 1 upper end threaded engagement
Plate 9, is provided with vacuum interrupter 2 in described cylinder 1, and circular fastening block 8 is placed in the top of vacuum interrupter 2, and in fastening
Resilient hollow round table is installed on the outer circle wall of block 8, cylinder 1 upper end inwall has the card matched with hollow round table
Groove, described vacuum interrupter 2 upper surface is connected with fastening block 8 by bolt, and described cylinder 1 lower end inner wall is provided with a bracer 6,
Limiting plate 5 is fixed on a bracer 6, is connected to lead 4 and the push rod of inner hollow at described vacuum interrupter 2 two ends
10, institute's push rod 10 upwardly extends after running through in the middle part of fastening block 8, and is provided with ball 11, described rubber in the upper end of push rod 10
Ball 11 and described cover plate 9 contact internal walls, have through hole in the middle part of described limiting plate 5, and insulated tension pole 7 upper end sequentially passes through described logical
After hole, lead 4, the movable feeler lever with vacuum interrupter 2 contacts, and described vacuum interrupter 2 includes housing 27, sets in housing 27
Having radome 26, corrugated tube 25, coaxial stationary contact bar 21 and movable feeler lever 24, corrugated tube 25 is fixed on housing 7 inwall lower end and set
Being located at movable feeler lever 24 epimere, described movable feeler lever 24 hypomere extends after running through vacuum interrupter 2 lower end in described lead 4, screen
Cover cover 26 to be fixed between movable feeler lever 24, stationary contact bar 22 and housing 27 inwall, be provided with static contact 22 in stationary contact bar 21 lower end, dynamic
Feeler lever 24 upper end is provided with the moving contact 23 coordinated with static contact 22, and static contact 22 is the horizontal magnetic of helicla flute, absolutely with moving contact 23
Edge pull bar 7 upper end is connected with movable feeler lever 24 after sequentially passing through described through hole, lead 4 and vacuum interrupter 2 lower end.
During use, cover plate 9 and cylinder 1 upper end are threaded connection to realize the sealing on vacuum interrupter 2 top, at cylinder
Being provided with a bracer 6 in the middle part of in the of 1, limiting plate 5 is fixed on a bracer 6, to realize the sealing to vacuum interrupter 2 bottom, is i.e. protecting
Card is on the premise of vacuum interrupter 2 normally works, and reaches the dust-proof grade of vacuum interrupter 2 in cylinder 1.Simultaneously on cylinder 1
End is provided with fastening block 8, and sets resilient hollow round table on the outer circle wall of fastening block 8, and hollow round table is opened with cylinder 1 inwall
The draw-in groove begun cooperates, and push rod 10 runs through the middle part of fastening block 8, is provided with in push rod 10 upper end and connects with cover plate 9 inwall
The ball 11 touched, and the upper end of vacuum interrupter 2 is connected with fastening block 8, and i.e. utilize between ball 11 and cover plate 9 is mutual
Support contact so that the top of vacuum interrupter 2 is stably fixed；And in the middle part of cylinder 1, the limiting plate 5 on a bracer 6 is true
Empty arc-chutes 2 provide and support, so ensure the entirety of vacuum interrupter 2 in cylinder 1 by stable holding, it is to avoid vacuum interrupter
2 shake, and are effectively improved the vacuum interrupter 2 mounting stability in cylinder 1.Wherein, change true at the needs that break down
During empty arc-chutes 2, only need to open cover plate 9, utilize the clearance fit between hollow round table and draw-in groove, can be by fixed block and vacuum
Arc-chutes 2 take out in the lump, have abandoned the installing/dismounting step that traditional chopper is complicated, have greatly reduced the work of staff
Intensity.
Further, select the horizontal magnetic of helicla flute as moving contact 23, static contact 22, can be when disjunction short circuit current, can be
Resulting from the magnetic field of electrode axis perpendicular between its electrode, under the effect of enough transverse magnetic fields, vacuum arc is along contact
Surface constantly high-speed motion, and then avoid the serious thawing of contact surface, can convalescent period insulation rapidly after current over-zero
While intensity, beneficially arc extinction, greatly reduce moving contact 23 and the loss of static contact 22, reduce and vacuum is gone out
The replacement frequency of arc chamber, and extend the service life of chopper.Further, in vacuum interrupter 2, corrugated tube 25 i.e. can guarantee that
Fully sealing within vacuum interrupter 2, can make moving contact 23 and static contact 22 divide when the outside actuating of vacuum interrupter 2 again
Resultant motion, and when electric arc produces, the metal of evaporation on moving contact 23 and static contact 22 when radome 26 can adsorb arcing
Steam, prevents the pollution of housing 27 endogenous cause of ill metallic vapour from causing dielectric strength to reduce and insulation breakdown, and beneficially blow-out
The rapid recovery of penetrating arc gap dielectric strength, similarly, in vacuum interrupter 2, corrugated tube 25 is covered by radome 27, it is possible to
Reduce the corrugated tube 25 scaling loss degree by metallic vapour, and then increase the service life of vacuum interrupter 2.
The sidewall of described cylinder 1 is respectively equipped with upper end wire outlet seat 12 and lower end wire outlet seat 13.The upper end arranged occurs
Seat can facilitate with lower end wire outlet seat 13 and the stationary contact bar in vacuum interrupter 2, movable feeler lever are carried out wire and be connected, and brings out upper simultaneously
Using the wire outlet seat that classification of waterproof is higher on line seat 12 and lower end wire outlet seat 13, and then it is internal to improve cylinder 1, particularly vacuum is gone out
Water proof and dust proof effect in arc chamber 2.
The inwall of described cylinder 1 is provided with elastic sheet metal 3, and the end of described elastic sheet metal 3 and insulated tension pole 7
Upper end connect.When moving contact in vacuum interrupter 2 separates with static contact, movable feeler lever can drive insulated tension pole 7 to move down, when
When vacuum arc disappears, the back-moving spring on elastic sheet metal 3 coordinated insulation pull bar 7 is together to insulated tension pole 7 and movable feeler lever
Generation effect so that insulated tension pole 7 and movable feeler lever Rapid reset.
Above-described detailed description of the invention, has been carried out the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should comprise
Within protection scope of the present invention.
Claims (3)
1. an outdoor mesohigh line control unit, including single injection-molded cylinder (1) and with cylinder (1) upper end
The cover plate (9) of threaded engagement, it is characterised in that: in described cylinder (1), it is provided with vacuum interrupter (2), circular fastening block (8)
It is placed in the top of vacuum interrupter (2), and resilient hollow round table is installed on the outer circle wall of fastening block (8), at cylinder
(1) having the draw-in groove matched with hollow round table on the inwall of upper end, bolt and fastening are passed through in described vacuum interrupter (2) upper surface
Block (8) connects, and described cylinder (1) lower end inner wall is provided with a bracer (6), and limiting plate (5) is fixed on a bracer (6), in institute
Stating vacuum interrupter (2) two ends and be connected to lead (4) and the push rod (10) of inner hollow, described push rod (10) runs through tight
Gu block (8) upwardly extends behind middle part, and is provided with ball (11) in the upper end of push rod (10), described ball (11) is with described
Cover plate (9) contact internal walls, has through hole at described limiting plate (5) middle part, and described vacuum interrupter (2) includes housing (27),
Being provided with radome (26), corrugated tube (25), coaxial stationary contact bar (21) and movable feeler lever (24) in housing (27), corrugated tube (25) is solid
Being scheduled on housing (7) inwall lower end and be set in movable feeler lever (24) epimere, described movable feeler lever (24) hypomere runs through vacuum interrupter (2)
Extending in described lead (4) behind lower end, radome (26) is fixed in movable feeler lever (24), stationary contact bar (21) and housing (27)
Between wall, it is provided with static contact (22) in stationary contact bar (21) lower end, is provided with in movable feeler lever (24) upper end and to coordinate with static contact (22)
Moving contact (23), and static contact (22) and moving contact (23) be the horizontal magnetic of helicla flute, insulated tension pole (7) upper end sequentially passes through described
Through hole is connected with movable feeler lever (24).
A kind of outdoor mesohigh line control unit the most according to claim 1, it is characterised in that: in described cylinder (1)
Sidewall on be respectively equipped with upper end wire outlet seat (12) and lower end wire outlet seat (13).
A kind of outdoor mesohigh line control unit the most according to claim 1, it is characterised in that: in described cylinder (1)
Inwall be provided with elastic sheet metal (3), and the end of described elastic sheet metal (3) is connected with the upper end of insulated tension pole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716882.0A CN106298357A (en) | 2016-08-25 | 2016-08-25 | A kind of outdoor mesohigh line control unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716882.0A CN106298357A (en) | 2016-08-25 | 2016-08-25 | A kind of outdoor mesohigh line control unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106298357A true CN106298357A (en) | 2017-01-04 |
Family
ID=57616082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610716882.0A Pending CN106298357A (en) | 2016-08-25 | 2016-08-25 | A kind of outdoor mesohigh line control unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106298357A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2363072Y (en) * | 1998-10-23 | 2000-02-09 | 财团法人工业技术研究院 | Heat wax-melting cool starting valve |
| CN201440395U (en) * | 2009-07-03 | 2010-04-21 | 北京华东森源电气有限责任公司 | Vacuum arc extinguish chamber and main circuit structure using same |
| CN201667312U (en) * | 2010-01-20 | 2010-12-08 | 北京华东森源电气有限责任公司 | Solid-sealed pole structure of high-voltage vacuum circuit breaker |
| CN104183416A (en) * | 2014-09-12 | 2014-12-03 | 安徽鑫龙电器股份有限公司 | Vacuum circuit breaker |
| JP2016012418A (en) * | 2014-06-27 | 2016-01-21 | 三菱電機株式会社 | Vacuum valve |
| JP2016092871A (en) * | 2014-10-30 | 2016-05-23 | 株式会社日立製作所 | Switch gear |
| CN206098276U (en) * | 2016-08-25 | 2017-04-12 | 成都汉度科技有限公司 | Outdoor high voltage transmission lines automatic control structure |
-
2016
- 2016-08-25 CN CN201610716882.0A patent/CN106298357A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2363072Y (en) * | 1998-10-23 | 2000-02-09 | 财团法人工业技术研究院 | Heat wax-melting cool starting valve |
| CN201440395U (en) * | 2009-07-03 | 2010-04-21 | 北京华东森源电气有限责任公司 | Vacuum arc extinguish chamber and main circuit structure using same |
| CN201667312U (en) * | 2010-01-20 | 2010-12-08 | 北京华东森源电气有限责任公司 | Solid-sealed pole structure of high-voltage vacuum circuit breaker |
| JP2016012418A (en) * | 2014-06-27 | 2016-01-21 | 三菱電機株式会社 | Vacuum valve |
| CN104183416A (en) * | 2014-09-12 | 2014-12-03 | 安徽鑫龙电器股份有限公司 | Vacuum circuit breaker |
| JP2016092871A (en) * | 2014-10-30 | 2016-05-23 | 株式会社日立製作所 | Switch gear |
| CN206098276U (en) * | 2016-08-25 | 2017-04-12 | 成都汉度科技有限公司 | Outdoor high voltage transmission lines automatic control structure |
Non-Patent Citations (1)
| Title |
|---|
| 苑舜: "《真空断路器开断与关合不同负载时的操作过电压》", 31 December 2001 * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |