CN201886956U - Indoor alternating-current high-voltage isolation switch - Google Patents
Indoor alternating-current high-voltage isolation switch Download PDFInfo
- Publication number
- CN201886956U CN201886956U CN2010206772760U CN201020677276U CN201886956U CN 201886956 U CN201886956 U CN 201886956U CN 2010206772760 U CN2010206772760 U CN 2010206772760U CN 201020677276 U CN201020677276 U CN 201020677276U CN 201886956 U CN201886956 U CN 201886956U
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- Prior art keywords
- main shaft
- underframe
- isolation switch
- link
- voltage
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- 238000002955 isolation Methods 0.000 title claims abstract description 15
- 239000012212 insulator Substances 0.000 claims abstract description 31
- 238000010276 construction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides an indoor alternating-current high-voltage isolation switch which comprises three phases of isolation switch bodies which have same structures and are arranged on an underframe in parallel; a main shaft which can rotate clockwise and anticlockwise is arranged on a shaft support plate of the underframe in a direction vertical to the three phases of isolation switch bodies; the main shaft is fixed on a side plate of the underframe through a shaft blocking sheath; and three crank arms which rotate synchronously are connected on the main shaft and are connected with three pull rod insulators so as to drive the three pull rod insulators to move up and down. The indoor alternating-current high-voltage isolation switch has the effect of converting and isolating circuits when alternating-current high-voltage power transformer systems have voltages without loads and is suitable for isolating the circuits when three-phase 15kV voltage level power transformer systems have voltages without loads. By means of the indoor alternating-current high-voltage isolation switch, the isolation of equipment and personnel from electrified buses is realized and the electric isolation and the personal safety during the test, the debugging and the overhauling are ensured.
Description
Technical field
The utility model relates to a kind of being applicable to and is rated voltage 15KV, and the inside plant of three-phase alternating current 50HZ is as the usefulness of dividing, closing circuit is arranged under the non-loaded situation of voltage.
Background technology
Along with the fast development of China's electric railway, the professional electric equipment that needs is increasing, and isolating switch also must be widely applied among each circuit.Reliable in quality, the isolating switch that economy is outstanding will be the bases of the electrified development of China railways.This product is the requirement design according to GB1985-2004 " ac high-voltage isolating switch and earthed switch ", rated voltage 15KV, and the inside plant of three-phase alternating current 50HZ is as the usefulness of dividing, closing circuit is arranged under the non-loaded situation of voltage.
Summary of the invention
The purpose of this utility model provides a kind of indoor HVAC isolating switch, and being beneficial to improve has under the non-loaded situation of voltage the reliability of dividing, closing circuit.
For achieving the above object, the technical solution adopted in the utility model provides indoor ac high-voltage isolating switch, and wherein: this isolating switch includes post insulator, underframe, contact knife, fixed contact, touch base, link insulator, main shaft formation conductive component and actuating parts;
This isolating switch includes that the identical isolating switch body of three-phase structure is parallel to be installed on the underframe side by side, on the underframe axle support plate with on the flat body vertical direction of three-phase isolation switch the main shaft of can be counterclockwise, turning clockwise is housed, main shaft is by on the axle bumper cover fixed frame side plate, be connected with three connecting levers of rotation simultaneously on the main shaft, be connected with three link insulators, can drive three link insulators and move up and down;
The conductive component of every isolated Switch main body is separately fixed on the underframe by two post insulators, the two ends of described contact knife connect fixed contact and touch base respectively, be connected with an end of link insulator in the middle of the described contact knife, link insulator is connected with main shaft by the connecting lever that connects;
The actuating modular construction of every isolated Switch main body is that two post insulators are separately fixed on the underframe, be fixed with the main shaft of can be counterclockwise, turning clockwise by axle sleeve and axle bumper cover on the axle support plate of underframe, main shaft is connected with the connecting lever that is connected with the sub-other end of insulated tension pole by bearing pin.
Effect of the present utility model is the usefulness of this indoor HVAC isolating switch have voltage zero load in ac electrified railway high voltage power transmission and transforming system time conversion, buffer circuit.Be applicable to the usefulness of isolating circuit when three-phase alternating current 15kV electric pressure power transmission and transformation system has voltage zero load.The electrical isolation and the personal safety of testing, debug, overhauling are guaranteed in the isolation of realization equipment, personnel and charged bus.
Description of drawings
Fig. 1 is an isolating switch structural front view of the present utility model;
Fig. 2 is an isolating switch structure vertical view of the present utility model;
Fig. 3 is an isolating switch structure shaft side figure of the present utility model.
Among the figure:
1, post insulator 2, underframe 3, contact knife 4, fixed contact
5, touch base 6, link insulator 7, main shaft
Embodiment
In conjunction with the accompanying drawings indoor ac high-voltage isolating switch structure of the present utility model is illustrated.
Indoor ac high-voltage isolating switch structure of the present utility model is that this isolating switch includes post insulator 1, underframe 2, contact knife 3, fixed contact 4, touch base 5, link insulator 6, main shaft 7 constitutes conductive component and the actuating parts constitute conductive component and actuating parts.
This isolating switch includes that the identical isolating switch body of three-phase structure is parallel to be installed on the underframe 2 side by side, on 2 support plates of underframe with on the flat body vertical direction of three-phase isolation switch the main shaft 7 of can be counterclockwise, turning clockwise is housed, main shaft 7 is by on axle bumper cover fixed frame 2 side plates, be connected with three connecting levers of rotation simultaneously on the main shaft 7, be connected with three link insulators 6, can drive three link insulators 6 and move up and down, and then drive contact knife 3 realizes dividing, closing circuit.
The conductive component of every isolated Switch main body is separately fixed on the underframe 2 by two post insulators 1, the two ends of described contact knife 3 connect fixed contact 4 and touch base 5 respectively, be connected with an end of link insulator 6 in the middle of the described contact knife 3, link insulator 6 is connected with main shaft 7 by the connecting lever that connects.
The actuating modular construction of every isolated Switch main body is that two post insulators 1 are separately fixed on the underframe 2, be fixed with the main shaft 7 of can be counterclockwise, turning clockwise by axle sleeve and axle bumper cover on the axle support plate of underframe 2, main shaft 7 is connected with the connecting lever that is connected with sub 6 other ends of insulated tension pole by bearing pin.
The utility model is indoor vertical opening type three-pole isolator, and every phase current-carrying part is mainly by contact knife 3, and promptly moving contact and fixed contact are formed.Fixed contact is mounted on two supporting insulators 1 that are fixed in above the underframe, and an end of contact knife 3 links with a fixed contact by the bolt pivot pin, and rotation contact knife 3 can divide with other end fixed contact formation and be connected.In the middle of the contact knife 3 link insulator 6 is arranged, all there is fastening spring at two ends, keep the pressure of 3 pairs of fixed contacts of contact knife, the parallel installation of three-phase isolation switch body.Link insulator 6 be installed in underframe 2 on main shaft 7 on connecting lever link to each other, main shaft 7 links to each other with operating mechanism with connecting rod by connecting lever.The two ends of main shaft 7 are protuberate basic unit 2 all, and operating mechanism can be contained in any side.Contact knife 3 is made up of two flute profile copper sheets, has not only increased area of dissipation, and has improved mechanical strength and dynamic stability.Underframe 2 assemblings: compositions such as base, main shaft, stop block, back-up ring.The final position of resultant requirement when stop block is mainly used to guarantee conduction contact knife 3 " branch ", " closing ".
Important technological parameters:
Model: GN19-15/400
Rated voltage: 15KV
Rated current: 400A
Specified short time withstand current: 12.5KA
Rated peak withstand current: 31.5KA.
Claims (1)
1. indoor ac high-voltage isolating switch is characterized in that: this isolating switch includes post insulator (1), underframe (2), contact knife (3), fixed contact (4), touch base (5), link insulator (6), main shaft (7) and constitutes conductive component and actuating parts;
This isolating switch includes that the identical isolating switch body of three-phase structure is parallel to be installed on the underframe (2) side by side, on the axle support plate of underframe (2) with on the described three-phase isolation switch body vertical direction main shaft (7) of can be counterclockwise, turning clockwise is housed, main shaft (7) is by on axle bumper cover fixed frame (2) side plate, be connected with three connecting levers of rotation simultaneously on the main shaft (7), be connected with three link insulators (6) of described three-phase isolation switch body, drive three link insulators (6) and move up and down;
The conductive component of every isolated Switch main body is separately fixed on the underframe (2) by two post insulators (1), the two ends of described contact knife (3) connect fixed contact (4) and touch base (5) respectively, be connected with an end of link insulator (6) in the middle of the described contact knife (3), link insulator (6) is connected with main shaft (7) by the connecting lever that connects;
The actuating modular construction of every isolated Switch main body is that two post insulators (1) are separately fixed on the underframe (2), be fixed with the main shaft (7) of can be counterclockwise, turning clockwise by axle sleeve and axle bumper cover on the axle support plate of underframe (2), main shaft (7) is connected with the connecting lever that is connected with insulated tension pole (6) other end by bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206772760U CN201886956U (en) | 2010-12-23 | 2010-12-23 | Indoor alternating-current high-voltage isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206772760U CN201886956U (en) | 2010-12-23 | 2010-12-23 | Indoor alternating-current high-voltage isolation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886956U true CN201886956U (en) | 2011-06-29 |
Family
ID=44184504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206772760U Expired - Fee Related CN201886956U (en) | 2010-12-23 | 2010-12-23 | Indoor alternating-current high-voltage isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886956U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU203763U1 (en) * | 2020-06-16 | 2021-04-20 | Илья Валерьевич Василенко | DISCONNECTOR WITH LOWER POSITIONING OF LIVE PARTS |
| CN112885636A (en) * | 2021-01-12 | 2021-06-01 | 浙江越岭电气有限公司 | High-voltage isolating switch for indoor use |
| CN113257610A (en) * | 2021-05-13 | 2021-08-13 | 西安金叶电力科技有限公司 | High-voltage isolating switch, method for isolating power supply and application |
-
2010
- 2010-12-23 CN CN2010206772760U patent/CN201886956U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU203763U1 (en) * | 2020-06-16 | 2021-04-20 | Илья Валерьевич Василенко | DISCONNECTOR WITH LOWER POSITIONING OF LIVE PARTS |
| CN112885636A (en) * | 2021-01-12 | 2021-06-01 | 浙江越岭电气有限公司 | High-voltage isolating switch for indoor use |
| CN113257610A (en) * | 2021-05-13 | 2021-08-13 | 西安金叶电力科技有限公司 | High-voltage isolating switch, method for isolating power supply and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Indoor A. C. high voltage isolative switch Effective date of registration: 20130925 Granted publication date: 20110629 Pledgee: Tianjin Dongfang Haixin SME Company limited by guarantee Pledgor: Chuantie Electric (Tianjin) Group Co., Ltd. Registration number: 2013990000705 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140912 Granted publication date: 20110629 Pledgee: Tianjin Dongfang Haixin SME Company limited by guarantee Pledgor: Chuantie Electric (Tianjin) Group Co., Ltd. Registration number: 2013990000705 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Indoor A. C. high voltage isolative switch Effective date of registration: 20150423 Granted publication date: 20110629 Pledgee: Tianjin Dongfang Haixin SME Company limited by guarantee Pledgor: Chuantie Electric (Tianjin) Group Co., Ltd. Registration number: 2015120000027 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300454, No. 3, Chuan Jin Industrial Park, Dongli District, Tianjin Patentee after: Kawatetsu electrical (Tianjin) Limited by Share Ltd Address before: 300454, No. 3, Chuan Jin Industrial Park, Dongli District, Tianjin Patentee before: Chuantie Electric (Tianjin) Group Co., Ltd. |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20160530 Registration number: 2015120000027 Pledgor after: Kawatetsu electrical (Tianjin) Limited by Share Ltd Pledgor before: Chuantie Electric (Tianjin) Group Co., Ltd. |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160620 Granted publication date: 20110629 Pledgee: Tianjin Dongfang Haixin SME Company limited by guarantee Pledgor: Kawatetsu electrical (Tianjin) Limited by Share Ltd Registration number: 2015120000027 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20161223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |