CN202564125U - Vacuum circuit breaker - Google Patents
Vacuum circuit breaker Download PDFInfo
- Publication number
- CN202564125U CN202564125U CN2012201140284U CN201220114028U CN202564125U CN 202564125 U CN202564125 U CN 202564125U CN 2012201140284 U CN2012201140284 U CN 2012201140284U CN 201220114028 U CN201220114028 U CN 201220114028U CN 202564125 U CN202564125 U CN 202564125U
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- CN
- China
- Prior art keywords
- wiring board
- upper wiring
- vacuum interrupter
- conducting rod
- vacuum
- 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.)
- Expired - Lifetime
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- 230000003068 static effect Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
本实用新型公开了一种真空断路器，包括真空灭弧室和与真空灭弧室对应设置的上接线板，真空灭弧室包括壳体，壳体的一端设有与上接线板电连接的导电杆，导电杆通过一端固定的法兰盘与壳体固连，上接线板通过导向孔滑动套设在导电杆上，上接线板上穿设有与上接线板滑动配合的螺杆，各螺杆的一端伸入法兰盘内与导电杆螺纹连接、另一端固定有与上接线板限位配合的限位块，各螺杆上均套设有一端与上接线板顶接、另一端与法兰盘顶接的叠簧组。在真空灭弧室合闸发生碰撞时，碟簧组被压缩起到缓冲作用，减小灭弧室的弹跳，同时各叠簧组的预紧力给导电杆施加相反的作用力，该作用力带动导电杆及壳体复位，防止真空灭弧室的偏移，保证动、静触头的接触。
The utility model discloses a vacuum circuit breaker, which comprises a vacuum interrupter and an upper wiring board corresponding to the vacuum interrupter. Conductive rod, the conductive rod is fixedly connected to the housing through a fixed flange at one end, the upper terminal plate is slidably sleeved on the conductive rod through the guide hole, the upper terminal plate is pierced with a screw that slides and fits with the upper terminal plate, each screw One end of the screw extends into the flange and is threadedly connected with the conductive rod, and the other end is fixed with a limit block that cooperates with the upper terminal board. The stacked spring group connected to the top of the disc. When the vacuum interrupter closes and collides, the disc spring group is compressed to act as a buffer to reduce the bouncing of the interrupter, and at the same time, the pretightening force of each stacked spring group exerts an opposite force on the conductive rod. Drive the conductive rod and the shell to reset, prevent the offset of the vacuum interrupter, and ensure the contact between the dynamic and static contacts.
Description
Technical field
The utility model relates to a kind of vacuum circuit-breaker, is specifically related to the quiet end syndeton of vacuum interrupter of vacuum circuit-breaker.
Background technology
Existing vacuum circuit-breaker, the housing of its vacuum interrupter is a hollow-core construction, the conducting rod that fixed contact is housed is penetrated by the quiet end of vacuum interrupter; The moving contact conducting rod that moving contact is housed is come in and gone out by the other end, and in making process, moving contact and fixed contact that vacuum extinction is indoor bump; Because the quiet end syndeton of vacuum interrupter is as shown in Figure 1, the housing 301 of vacuum interrupter 201 directly is connected with upper wiring board 101 through bolt, and this version employing is rigidly connected; When dynamic and static contact bumps; Vacuum interrupter 201 is easy to generate bounce, and bounce has certain damaging effect to vacuum interrupter 201, especially influences its electric life; And the bouncing value size is relevant with many factors, the especially more bad control of the vacuum circuit-breaker of voltage levels.
The utility model content
The purpose of the utility model provides a kind ofly can effectively control the vacuum interrupter bounce, guarantees the good vacuum circuit-breaker of dynamic and static contact contact.
The utility model adopts following technical scheme: a kind of vacuum circuit-breaker; The upper wiring board that comprises vacuum interrupter and corresponding setting with vacuum interrupter; Said vacuum interrupter comprises housing; Housing be provided with the conducting rod that is electrically connected with upper wiring board near upper wiring board one end; Said conducting rod is connected through an end fixing ring flange and said housing, saidly goes up wiring and is slidingly located on the conducting rod through the pilot hole on it, and be equipped with on the upper wiring board along the even screw rod that is slidingly matched with upper wiring board of laying of conducting rod circumferencial direction; One end of each screw rod stretches in the ring flange and is threaded with conducting rod, the other end is fixed with and the spacing guide vane end stop that cooperates of upper wiring board, and all is arranged with the folded spring group of an end and said upper wiring board apical grafting, the other end and said ring flange apical grafting on each screw rod.
Said screw rod is four.
Be fixed with the cylindrical section of the dead in line of axis and pilot hole on the one end end face of the vacuum interrupter dorsad of said upper wiring board, said pilot hole runs through said cylindrical section.
Be laid with the watchband fingertip with said conducting rod contact matching on the inwall of said through hole, and be fixed with on the inwall of through hole along the spaced apart fairlead of through hole axial direction.
Adopt the vacuum circuit-breaker of said structure; Said conducting rod is fixed on the housing through the fixing ring flange of one of which end; Said upper wiring board is slidingly located on the conducting rod; And be equipped with the screw rod that is uniformly distributed with along the conducting rod circumferencial direction on the upper wiring board, an end of each screw rod screws in the ring flange, the other end is fixed with and is used for the spacing guide vane end stop of upper wiring board, and each guide vane end stop prevents that conducting rod and vacuum interrupter break away from upper wiring board; When vacuum interrupter closes a floodgate; The housing promotion conducting rod of vacuum interrupter moves and is slidingly matched with upper wiring board, owing between upper wiring board and ring flange, all be arranged with folded spring group on each screw rod, and in the process that conducting rod moves; Each folded spring group compression is played cushioning effect to vacuum interrupter; Reduce the spring of vacuum interrupter, the pretightning force of each folded spring group applies opposite effect power to conducting rod simultaneously, and this active force drives conducting rod and housing resets; Prevent the skew of vacuum interrupter, guarantee the contact of dynamic and static contact.
Description of drawings
Fig. 1 is the quiet end syndeton sketch map of existing vacuum circuit-breaker;
Fig. 2 is the quiet end syndeton sketch map of the utility model vacuum circuit-breaker;
Fig. 3 is the upper wiring board structural representation among Fig. 2;
Fig. 4 is the conducting rod assembling sketch map among Fig. 2;
Fig. 5 joins sketch map for the folded spring assembling among Fig. 2.
Embodiment
The embodiment of a kind of vacuum circuit-breaker of the utility model: shown in Fig. 2-5; This vacuum circuit-breaker comprises vacuum interrupter 5, conducting rod 2 and upper wiring board 1; Vacuum interrupter 5 is oppositely arranged with said upper wiring board 1, and the end towards vacuum interrupter 5 of conducting rod 2 is fixed with ring flange 8, and ring flange 8 is connected through the housing 51 of soket head cap screw 4 with vacuum interrupter 5; Offer pilot hole on the said upper wiring board 1, upper wiring board 1 is set on the conducting rod 2 through this pilot hole.On upper wiring board 1, be equipped with four screw rods 9 that are uniformly distributed with along conducting rod 2 circumferencial directions; Corresponding four screw rod 9 positions offer the screwed hole with screw rod 9 threaded engagement on the said ring flange 8; Four screw rods 9 screw in respectively in each self-corresponding screwed hole and are fixedly connected with conducting rod 2; In order to prevent that conducting rod 2 and housing 51 break away from upper wiring board 1; Each screw rod 9 away from screwing on the end face of an end of ring flange 8 screw is arranged, this screw conduct and the upper wiring board 1 spacing guide vane end stop that cooperates, and be arranged with the folded spring group 3 of an end and upper wiring board 1 apical grafting, the other end and ring flange apical grafting on each screw rod 9 respectively.In making process; Vacuum interrupter 5 collisions are squinted, and housing 51 promotes conducting rod 2 and moves together, folded simultaneously spring group 3 compressions; Vacuum interrupter is played cushioning effect; 3 pairs of conducting rods 2 of folded spring group after the compression apply adverse effect power resets conducting rod 2 promotion housings 51, and conducting rod 2 is in the process that moves around, and the screw rod 9 that is connected on the ring flange cooperates with upper wiring board 1 slide-and-guide.
Be fixed with cylindrical section 11 on the 5 one end end faces of vacuum interrupter dorsad of said upper wiring board 1; The axis of cylindrical section 11 and the dead in line of pilot hole; And pilot hole runs through cylindrical section 11, and conducting rod 2 stretches in the cylindrical section 11 simultaneously, is laid with watchband fingertip 7 on the inwall of cylindrical section 11; Watchband fingertip 7 is in order to increase the conductive characteristic of upper wiring board 1 and conducting rod 2; For the ease of being slidingly matched of conducting rod 2 and cylindrical section 11, offer on the inwall of cylindrical section 11 along the spaced apart annular groove 12 of cylindrical section 11 axial directions, fairlead 6 is installed in the annular groove 12.
The foregoing description is in concrete application process; Folded spring group 3 has certain compression when assembling; During combined floodgate; Moving contact in the vacuum interrupter 5 bumps with fixed contact and squints towards upper wiring board 1 one sides, and housing 51 drives that conducting rods 2 move together and the folded 3 pairs of vacuum interrupters 5 of spring group of compression play cushioning effect, and conducting rod 2 relative upper wiring boards 1 move and led by fairlead 6; 3 pairs of conducting rods 2 of folded spring group after the compression apply opposite effect force urges conducting rod 2 and reset together with housing, prevent the skew of vacuum interrupter 5.
Claims (4)
1. vacuum circuit-breaker; The upper wiring board that comprises vacuum interrupter and corresponding setting with vacuum interrupter; Said vacuum interrupter comprises housing; Housing be provided with the conducting rod that is electrically connected with upper wiring board near upper wiring board one end; It is characterized in that: said conducting rod is connected through an end fixing ring flange and said housing, and said upper wiring board is slidingly located in through the pilot hole on it on conducting rod, and is equipped with on the upper wiring board along the even screw rod that is slidingly matched with upper wiring board of laying of conducting rod circumferencial direction; One end of each screw rod stretches in the ring flange and is threaded with conducting rod, the other end is fixed with and the spacing guide vane end stop that cooperates of upper wiring board, and all is arranged with the folded spring group of an end and said upper wiring board apical grafting, the other end and said ring flange apical grafting on each screw rod.
2. vacuum circuit-breaker according to claim 1 is characterized in that: said screw rod is four.
3. vacuum circuit-breaker according to claim 1 and 2 is characterized in that: be fixed with the cylindrical section of the dead in line of axis and pilot hole on the end end face of the vacuum interrupter dorsad of said upper wiring board, said pilot hole runs through said cylindrical section.
4. vacuum circuit-breaker according to claim 3 is characterized in that: be laid with the watchband fingertip with said conducting rod contact matching on the inwall of said through hole, and be fixed with on the inwall of through hole along the spaced apart fairlead of through hole axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201140284U CN202564125U (en) | 2012-03-23 | 2012-03-23 | Vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201140284U CN202564125U (en) | 2012-03-23 | 2012-03-23 | Vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202564125U true CN202564125U (en) | 2012-11-28 |
Family
ID=47213753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201140284U Expired - Lifetime CN202564125U (en) | 2012-03-23 | 2012-03-23 | Vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202564125U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783364A (en) * | 2016-11-25 | 2017-05-31 | 江苏省如高高压电器有限公司 | One kind solves vacuum circuit breaker spring attachment structure and method for designing |
| CN107492468A (en) * | 2017-09-26 | 2017-12-19 | 日新恒通电气有限公司 | A kind of vacuum circuit breaker |
| CN107884683A (en) * | 2017-12-28 | 2018-04-06 | 国网山东省电力公司高密市供电公司 | Current initial traveling wave detection device and substation outgoing cable fault monitoring method |
| CN108597915A (en) * | 2018-04-28 | 2018-09-28 | 福建中能电气有限公司 | A kind of conducting heavy current structure |
-
2012
- 2012-03-23 CN CN2012201140284U patent/CN202564125U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783364A (en) * | 2016-11-25 | 2017-05-31 | 江苏省如高高压电器有限公司 | One kind solves vacuum circuit breaker spring attachment structure and method for designing |
| CN107492468A (en) * | 2017-09-26 | 2017-12-19 | 日新恒通电气有限公司 | A kind of vacuum circuit breaker |
| CN107884683A (en) * | 2017-12-28 | 2018-04-06 | 国网山东省电力公司高密市供电公司 | Current initial traveling wave detection device and substation outgoing cable fault monitoring method |
| CN108597915A (en) * | 2018-04-28 | 2018-09-28 | 福建中能电气有限公司 | A kind of conducting heavy current structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: PINGGAO GROUP CO., LTD. Effective date: 20140314 Owner name: PINGGAO GROUP CO., LTD. ELECTRIC POWER RESEARCH IN Effective date: 20140314 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 467001 PINGDINGSHAN, HENAN PROVINCE TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140314 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Pinggao Group Co., Ltd. Patentee after: Electric Power Research Institute of State Grid Shandong Electric Power Company Patentee after: State Grid Henan Electric Power Company Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Patentee before: Pinggao Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20121128 |
|
| CX01 | Expiry of patent term |