CN111725020A - Novel high-voltage isolating switch - Google Patents
Novel high-voltage isolating switch Download PDFInfo
- Publication number
- CN111725020A CN111725020A CN202010602562.9A CN202010602562A CN111725020A CN 111725020 A CN111725020 A CN 111725020A CN 202010602562 A CN202010602562 A CN 202010602562A CN 111725020 A CN111725020 A CN 111725020A
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- CN
- China
- Prior art keywords
- copper bar
- novel high
- isolating switch
- voltage isolating
- porcelain
- 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.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a novel high-voltage isolating switch, which relates to the field of high-voltage isolating switches and comprises a steel frame, wherein three first porcelain bottles and three second porcelain bottles are movably mounted on the steel frame, the same side of each of the first porcelain bottles and the corresponding one of the second porcelain bottles is movably provided with the same connecting seat, the steel frame is movably provided with a mounting seat, the bottom side of each first porcelain bottle is positioned on the mounting seat, a copper bar is die-cast and mounted on the connecting seat, and the top side of the copper bar is fixedly provided with a touch head. According to the invention, the contact strip and the copper bar are fixedly connected through the arc-shaped clamping plate and the hook spring, the top end of the copper bar moves up and down through four points, and is in multi-point contact, so that the resistance is reduced, the electric arc is not generated, then the assembled copper bar is sleeved in the second porcelain insulator, and the first porcelain insulator and the second porcelain insulator are fixed and limited through the cylindrical head bolt, so that the structure is simple, the assembly and disassembly are convenient, the maintenance efficiency can be improved during maintenance, and the high-voltage isolation effect can be ensured in a short time.
Description
Technical Field
The invention relates to the technical field of high-voltage isolating switches, in particular to a novel high-voltage isolating switch.
Background
The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation, and needs to be matched with a high-voltage circuit breaker for use, and the isolating switch is suitable for indoor devices with three-phase alternating current of 50Hz and rated voltage of 12KV, and is used for switching on, switching off or converting lines under the condition of voltage load of high-voltage equipment.
Among the prior art, high voltage isolator commonly used structure is complicated, need waste a large amount of installation time when the equipment, consequently causes the installation effectiveness low, damages when needing to maintain at high voltage switch simultaneously, needs to spend a large amount of dismantlements, installation time to cause maintenance efficiency low, and then influence high voltage isolation, consequently need a novel high voltage isolator to satisfy people's demand.
Disclosure of Invention
The invention aims to provide a novel high-voltage isolating switch, which aims to solve the problems that the common high-voltage isolating switch is complex in structure, a large amount of mounting time is wasted during assembly, so that the mounting efficiency is low, and meanwhile, when the high-voltage switch is damaged and needs to be maintained, a large amount of disassembly and mounting time is spent, so that the maintenance efficiency is low, and the high-voltage isolating effect is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel high-voltage isolation switch, includes the steelframe, movable mounting has three first vase and three second vase on the steelframe, and same one side movable mounting of first vase and second vase has same connecting seat, movable mounting has the mount pad on the steelframe, and the bottom side of first vase is located the mount pad, and the copper bar is installed in die-casting on the connecting seat, and fixed mounting touches the head on the copper bar top side, and fixed upper fixed plate and the bottom plate of having cup jointed on the copper bar, movable mounting has the contact strip on the copper bar, has seted up rotatory hole on the connection steelframe, and the gear is installed to rotatory downthehole adversion, has cup jointed the turning arm on.
Preferably, two cylindrical head connecting bolts are movably mounted on the connecting seat and are in threaded connection with the first porcelain insulator, so that the connecting seat is fixedly connected with the first porcelain insulator and the second porcelain insulator conveniently.
Preferably, first vase bottom fixed mounting has the screw rod, and the one end of screw rod runs through the steelframe and threaded connection has the nut, is convenient for carry out fixed connection with first vase and steelframe.
Preferably, the mounting seat is rotatably provided with a fixing bolt, the fixing bolt is in threaded connection with the steel frame, and the mounting seat is conveniently and fixedly connected with the steel frame.
Preferably, the copper bar is sleeved with a spring, and the bottom end of the spring is fixedly installed on the top side of the lower fixing plate.
Preferably, two bow-shaped clamping plates located below the lower fixing plate are movably mounted on the copper bar, and the two bow-shaped clamping plates are arranged correspondingly.
Preferably, the same hook spring is hung between the two arched clamp plates, so that the two arched clamp plates can be fixedly connected through the hook spring, and the contact strip and the connecting rod can be fixedly connected.
The invention has the beneficial effects that:
according to the invention, the contact strip and the copper bar are fixedly connected through the arc-shaped clamping plate and the hook spring, the top end of the copper bar moves up and down through four points, and is in multi-point contact, so that the resistance is reduced, the electric arc does not appear, then the assembled copper bar is sleeved in the second porcelain insulator, and the first porcelain insulator and the second porcelain insulator are fixed and limited through the cylindrical head bolt, so that the structure is simple, the assembly and disassembly are convenient, the maintenance efficiency can be improved during maintenance, and the high-voltage isolation effect can be ensured in a short time.
Drawings
Fig. 1 is a schematic structural diagram of a novel high-voltage isolating switch provided by the invention;
fig. 2 is a schematic perspective view of an internal structure of a second porcelain bottle of the novel high-voltage isolating switch provided by the invention;
fig. 3 is a schematic structural diagram of an internal structure of a second porcelain bottle of the novel high-voltage isolating switch in front view;
fig. 4 is a schematic sectional structural diagram of a novel high-voltage isolating switch provided by the invention.
In the figure: 1. a steel frame; 2. a first porcelain bottle; 3. a second porcelain bottle; 4. a connecting seat; 5. a cylindrical head connecting bolt; 6. a screw; 7. a nut; 8. a mounting seat; 9. a crank arm; 10. fixing the bolt; 11. an upper fixing plate; 12. copper bars; 13. a touch head; 14. a spring; 15. rotating the hole; 16. a gear; 17. a lower fixing plate; 18. an arcuate splint; 19. a hook spring; 20. a contact strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a novel high-voltage isolating switch comprises a steel frame 1, and is characterized in that: movable mounting has three first vase 2 and three second vase 3 on steelframe 1, same one side movable mounting of first vase 2 and second vase 3 has same connecting seat 4, movable mounting has mount pad 8 on steelframe 1, the bottom side of first vase 2 is located mount pad 8, copper bar 12 is installed in die-casting on the connecting seat 4, fixed mounting touches first 13 on the copper bar 12 top side, fixed upper fixed plate 11 and the bottom plate 17 of having cup jointed on copper bar 12, movable mounting has contact strip 20 on copper bar 12, rotatory hole 15 has been seted up on connecting steelframe 1, gear 16 is installed to 15 adversions in rotatory hole, the turning arm 9 has been cup jointed on gear 16.
According to the invention, two cylindrical-head connecting bolts 5 are movably mounted on the connecting seat 4, and the two cylindrical-head connecting bolts 5 are both in threaded connection with the first porcelain bottle 2, so that the connecting seat 4 is conveniently and fixedly connected with the first porcelain bottle 2 and the second porcelain bottle 3.
According to the invention, the screw 6 is fixedly installed at the bottom of the first porcelain bottle 2, one end of the screw 6 penetrates through the steel frame 1 and is in threaded connection with the nut 7, so that the first porcelain bottle 2 and the steel frame 1 can be fixedly connected conveniently.
According to the invention, the mounting seat 8 is rotatably provided with the fixing bolt 10, and the fixing bolt 10 is in threaded connection with the steel frame 1, so that the mounting seat 8 is conveniently and fixedly connected with the steel frame 1.
In the invention, a spring 14 is sleeved on the copper bar 12, and the bottom end of the spring 14 is fixedly arranged on the top side of the lower fixing plate 17.
In the invention, two arched clamp plates 18 are movably arranged on the copper bar 12 and positioned below the lower fixing plate 17, and the two arched clamp plates 18 are arranged correspondingly.
In the invention, the same hook spring 19 is hung between the two arched clamp plates 18, so that the two arched clamp plates 18 can be fixedly connected through the hook spring 19, and the contact strip 20 and the connecting rod 15 can be fixedly connected.
This practical theory of operation: firstly, the spring 14 is sleeved on the copper bar 12, then the lower fixing plate 17 is sleeved on the copper bar 12 and fixed, then the contact strip 20 is placed in the middle of the copper bar 12, then two arc-shaped clamping plates 18 are respectively placed on two sides of the copper bar 12 and fixedly connected through a hook spring 19, four points are adopted at the top end of the copper bar 12 to move up and down and make multipoint contact, so that the resistance and the electric arc are reduced, then the assembled copper bar 12 is sleeved in the second porcelain bottle 3, then the connecting seat 4 is sleeved on the first porcelain bottle 2 and the second porcelain bottle 3 and is fixed and limited by the cylindrical head connecting bolt 5, then the first porcelain bottle 2 and the steel frame 1 are fixedly connected through the screw rod 6 and the screw cap 7, the structure is simple, the installation and the disassembly are convenient, thereby enabling to improve maintenance efficiency in maintenance, and to ensure high voltage isolation in a short time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a novel high-voltage isolation switch, includes steelframe (1), its characterized in that: movable mounting has three first vase (2) and three second vase (3) on steelframe (1), and same one side movable mounting of first vase (2) and second vase (3) has same connecting seat (4), movable mounting has mount pad (8) on steelframe (1), and the bottom side of first vase (2) is located mount pad (8), and die-casting is installed copper bar (12) on connecting seat (4), and fixed mounting touches first (13) on copper bar (12) top side, and fixed cup jointed upper fixed plate (11) and bottom plate (17) on copper bar (12), and movable mounting has contact strip (20) on copper bar (12), has seted up rotatory hole (15) on connecting steelframe (1), and gear (16) are installed in rotatory hole (15) adversion, have cup jointed turning arm (9) on gear (16).
2. The novel high-voltage isolating switch according to claim 1, characterized in that: two cylindrical head connecting bolts (5) are movably mounted on the connecting seat (4), and the two cylindrical head connecting bolts (5) are in threaded connection with the first porcelain bottle (2).
3. The novel high-voltage isolating switch according to claim 1, characterized in that: the bottom of the first porcelain bottle (2) is fixedly provided with a screw rod (6), and one end of the screw rod (6) penetrates through the steel frame (1) and is in threaded connection with a nut (7).
4. The novel high-voltage isolating switch according to claim 1, characterized in that: and the mounting seat (8) is rotatably provided with a fixing bolt (10), and the fixing bolt (10) is in threaded connection with the steel frame (1).
5. The novel high-voltage isolating switch according to claim 1, characterized in that: the copper bar (12) is sleeved with a spring (14), and the bottom end of the spring (14) is fixedly installed on the top side of the lower fixing plate (17).
6. The novel high-voltage isolating switch according to claim 1, characterized in that: two bow-shaped clamping plates (18) positioned below the lower fixing plate (17) are movably mounted on the copper bar (12), and the two bow-shaped clamping plates (18) are arranged correspondingly.
7. The novel high-voltage isolating switch according to claim 6, characterized in that: the same hook spring (19) is hung between the two arched splints (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010602562.9A CN111725020B (en) | 2020-06-29 | 2020-06-29 | High-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010602562.9A CN111725020B (en) | 2020-06-29 | 2020-06-29 | High-voltage isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111725020A true CN111725020A (en) | 2020-09-29 |
| CN111725020B CN111725020B (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010602562.9A Active CN111725020B (en) | 2020-06-29 | 2020-06-29 | High-voltage isolating switch |
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| CN (1) | CN111725020B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4216970A1 (en) * | 1992-05-22 | 1993-12-02 | Abb Patent Gmbh | High-tension air-break isolating switch with rotary contact arm - incorporates vertical arrangement of upper and lower insulator strings joined by gearbox for arm rotation in vertical plane |
| CN1452196A (en) * | 2002-04-19 | 2003-10-29 | 吉林省达美实业有限责任公司电器设备制造厂 | Shielded DC breaker |
| CN1805093A (en) * | 2004-12-14 | 2006-07-19 | 弗里茨德雷希尔&佐讷电器工程装置有限公司 | Disconnecting switch with lineraly moving contact |
| CN201226322Y (en) * | 2008-07-14 | 2009-04-22 | 河南森源电气股份有限公司 | Knife-touching compacting structure for isolating switch |
| CN201655628U (en) * | 2010-03-31 | 2010-11-24 | 咸阳彩虹热电有限公司 | Low voltage disconnecting link |
| CN203631403U (en) * | 2013-12-23 | 2014-06-04 | 德雷希尔(西安)电气有限公司 | Contact device of isolating switch |
| EP2838098A1 (en) * | 2013-08-15 | 2015-02-18 | Siemens Aktiengesellschaft | Isolating switch |
| CN105895393A (en) * | 2015-07-20 | 2016-08-24 | 王静 | Isolation switch accessory capable of tensioning relative to contact finger and preventing electrical conduction |
| CN206490015U (en) * | 2017-03-03 | 2017-09-12 | 河南工业职业技术学院 | A kind of High-Voltage Electrical Appliances disconnecting switch |
| CN207134283U (en) * | 2017-07-27 | 2018-03-23 | 浙江强力控股有限公司 | Indoor high-voltage isolating switch |
| CN108511256A (en) * | 2018-05-14 | 2018-09-07 | 河南森源电气股份有限公司 | Earthing switch interlocking mechanism and switchgear |
| CN208208639U (en) * | 2018-06-11 | 2018-12-07 | 董佃平 | A kind of static contact structure of disconnecting switch |
| CN208848802U (en) * | 2018-08-30 | 2019-05-10 | 山西天安翔宇电器有限公司 | A kind of double-column horizontal open-type outdoor AC isolation switch |
| CN208970418U (en) * | 2018-11-06 | 2019-06-11 | 湖北湖开电气有限公司 | A kind of earthing switch having ground connection operating mechanism |
| CN110379664A (en) * | 2019-07-18 | 2019-10-25 | 浙江省开化七一电力器材有限责任公司 | A kind of improvement shape GN30 disconnecting switch |
| CN209981084U (en) * | 2019-05-27 | 2020-01-21 | 浙江瑞力电气有限公司 | 33kV three-phase combined isolating switch |
| CN209981085U (en) * | 2019-06-21 | 2020-01-21 | 深圳市特锐德电气科技有限公司 | Special isolating switch for ultrahigh pressure gas-filled cabinet |
-
2020
- 2020-06-29 CN CN202010602562.9A patent/CN111725020B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4216970A1 (en) * | 1992-05-22 | 1993-12-02 | Abb Patent Gmbh | High-tension air-break isolating switch with rotary contact arm - incorporates vertical arrangement of upper and lower insulator strings joined by gearbox for arm rotation in vertical plane |
| CN1452196A (en) * | 2002-04-19 | 2003-10-29 | 吉林省达美实业有限责任公司电器设备制造厂 | Shielded DC breaker |
| CN1805093A (en) * | 2004-12-14 | 2006-07-19 | 弗里茨德雷希尔&佐讷电器工程装置有限公司 | Disconnecting switch with lineraly moving contact |
| CN201226322Y (en) * | 2008-07-14 | 2009-04-22 | 河南森源电气股份有限公司 | Knife-touching compacting structure for isolating switch |
| CN201655628U (en) * | 2010-03-31 | 2010-11-24 | 咸阳彩虹热电有限公司 | Low voltage disconnecting link |
| EP2838098A1 (en) * | 2013-08-15 | 2015-02-18 | Siemens Aktiengesellschaft | Isolating switch |
| CN203631403U (en) * | 2013-12-23 | 2014-06-04 | 德雷希尔(西安)电气有限公司 | Contact device of isolating switch |
| CN105895393A (en) * | 2015-07-20 | 2016-08-24 | 王静 | Isolation switch accessory capable of tensioning relative to contact finger and preventing electrical conduction |
| CN206490015U (en) * | 2017-03-03 | 2017-09-12 | 河南工业职业技术学院 | A kind of High-Voltage Electrical Appliances disconnecting switch |
| CN207134283U (en) * | 2017-07-27 | 2018-03-23 | 浙江强力控股有限公司 | Indoor high-voltage isolating switch |
| CN108511256A (en) * | 2018-05-14 | 2018-09-07 | 河南森源电气股份有限公司 | Earthing switch interlocking mechanism and switchgear |
| CN208208639U (en) * | 2018-06-11 | 2018-12-07 | 董佃平 | A kind of static contact structure of disconnecting switch |
| CN208848802U (en) * | 2018-08-30 | 2019-05-10 | 山西天安翔宇电器有限公司 | A kind of double-column horizontal open-type outdoor AC isolation switch |
| CN208970418U (en) * | 2018-11-06 | 2019-06-11 | 湖北湖开电气有限公司 | A kind of earthing switch having ground connection operating mechanism |
| CN209981084U (en) * | 2019-05-27 | 2020-01-21 | 浙江瑞力电气有限公司 | 33kV three-phase combined isolating switch |
| CN209981085U (en) * | 2019-06-21 | 2020-01-21 | 深圳市特锐德电气科技有限公司 | Special isolating switch for ultrahigh pressure gas-filled cabinet |
| CN110379664A (en) * | 2019-07-18 | 2019-10-25 | 浙江省开化七一电力器材有限责任公司 | A kind of improvement shape GN30 disconnecting switch |
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| Publication number | Publication date |
|---|---|
| CN111725020B (en) | 2023-04-07 |
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