CN101901712B - Pole type three-phase high-voltage isolating switch - Google Patents
Pole type three-phase high-voltage isolating switch Download PDFInfo
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- CN101901712B CN101901712B CN 201010232722 CN201010232722A CN101901712B CN 101901712 B CN101901712 B CN 101901712B CN 201010232722 CN201010232722 CN 201010232722 CN 201010232722 A CN201010232722 A CN 201010232722A CN 101901712 B CN101901712 B CN 101901712B
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- isolating switch
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- insulating sleeve
- voltage
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Abstract
The invention discloses a novel pole type three-phase high-voltage isolating switch, each phase of the isolating switch is provided with an insulating sleeve for supporting conductive elements of contact pedestals of two poles of the isolating switch; a mounting flange is arranged in the middle of an insulating cylinder, the insulating switch is fixed, and the two poles of the isolating switch are separated through a mounting plate; a conductive rod moves along the axial direction in the insulating cylinder and is used for disconnecting or connecting the two poles of the isolating switch, andthe axial motion of the conductive rod is provided by relying on one insulating driving frame; and the contact between the conductive rod and the contact pedestals adopts circular spring conductive rings, and the contact pressure between a moving contact and a fixed contact is realized through the compression deformation of the conducting rings. The isolating switch can be used for three-phase alternating current 50Hz high-voltage switch cabinets at 12kV and below, lead the power supply side and the load side of a high-voltage switch device to form a reliable voltage isolation break when carrying out overhauling on the device and a load circuit, and further ensure the safety of an operator.
Description
Technical field
The present invention relates to a kind of high voltage isolator, relate in particular to a kind of novel pole type three-phase high-voltage isolating switch.
Background technology
Isolation features is one of major function in the high-tension switch cabinet, its role in switch cubicle is: carry out power consumption equipment that switchgear or switchgear connect when overhauling the user, high voltage source is separated reliably, guarantee operating personnel's safety.High-voltage switch gear divides for fixed and two kinds of structures of withdraw-type because the realization of isolation features is different.To realize that the parts design of isolation features becomes one isolating switch during fixed switch cubicle, withdraw-type switch cabinet is that the parts of isolation features are assigned on circuit breaker and two parts of switch cabinet body.High-tension switch cabinet has experienced by fixed evolution to withdraw-type.Moveable high-voltage switchgear is the main product that each big producer produces on the market at present, and it is convenient that its design concept is based on circuit breaker maintenance, but the reliability of insulating contact not high be the key link that the handcart type high-voltage switch cabinet breaks down.
Traditional isolating switch project organization is the guillotine type structure, and component size is big, complex structure, and the contact reliability between blade and the tool rest is not high, complicated operation, the repair and maintenance workload is big.
Summary of the invention
The purpose of this invention is to provide a kind of novel pole type three-phase high-voltage isolating switch.
The objective of the invention is to be achieved through the following technical solutions:
Novel pole type three-phase high-voltage isolating switch of the present invention, each of this three-phase high-voltage isolating switch is respectively equipped with an insulating sleeve mutually, the two ends of described insulating sleeve are respectively equipped with the live part contact base, the middle part of described live part contact base is provided with through hole, wherein be inserted with the sliding conduction bar in the contact base of an end, the outer end of described conducting rod is connected with the insulation bogie;
The middle part of described insulating sleeve is provided with mounting flange, links together by mounting panel and the mounting flange insulating sleeve with three-phase, and described mounting panel separates the live part contact base at described insulating sleeve two ends fully.
As seen from the above technical solution provided by the invention, novel pole type three-phase high-voltage isolating switch of the present invention, because each of this three-phase high-voltage isolating switch is respectively equipped with an insulating sleeve mutually, the two ends of insulating sleeve are respectively equipped with the live part contact base, the middle part of live part contact base is provided with through hole, wherein be inserted with the sliding conduction bar in the contact base of an end, the outer end of conducting rod is connected with the insulation bogie; The middle part of insulating sleeve is provided with mounting flange, links together by mounting panel and the mounting flange insulating sleeve with three-phase, and mounting panel separates the live part contact base at insulating sleeve two ends fully.Can be used for 12kV and following three-phase alternating current 50Hz high-tension switch cabinet, match with miscellaneous equipment in the switch cubicle and to be subjected to occasions such as distribution, industrial and mining enterprises' cause distribution for power transmission and transformation system electric substation, when the user carries out equipment and loaded line maintenance, make mains side and the load side of high voltage switchgear form reliable voltage isolation fracture, guarantee operating personnel's safety.
Description of drawings
Fig. 1 is in the side schematic view of on-state for isolating switch of the present invention;
Fig. 2 is in the floor map of on-state for isolating switch of the present invention;
Fig. 3 is in the side schematic view of off-state for isolating switch of the present invention;
Fig. 4 is in the floor map of off-state for isolating switch of the present invention.
Among the figure: 1. insulation bogie, 2. oscillating bearing, 3. pin 4. feeds out the end contact base, 5. spring conducting ring, 6. conducting rod, 7. mounting panel, 8 insulating sleeves, 9. spring conducting ring, 10. power end contact base.
Embodiment
Novel pole type three-phase high-voltage isolating switch of the present invention, its preferable embodiment as shown in Figures 1 to 4, each of this three-phase high-voltage isolating switch is respectively equipped with an insulating sleeve mutually, the two ends of described insulating sleeve are respectively equipped with the live part contact base, the middle part of described live part contact base is provided with through hole, wherein be inserted with the sliding conduction bar in the contact base of an end, the outer end of described conducting rod is connected with the insulation bogie;
The middle part of described insulating sleeve is provided with mounting flange, links together by mounting panel and the mounting flange insulating sleeve with three-phase, and described mounting panel separates the live part contact base at described insulating sleeve two ends fully.
The inwall of the through hole of described live part contact base is provided with annular mounting groove, and the spring conducting ring is housed in the described annular mounting groove, and described spring conducting ring closely contacts with described conducting rod.
The insulation bogie of three-phase connects as one structure, is connected by oscillating bearing between described insulation bogie and the described conducting rod.
This three-phase high-voltage isolating switch is installed on the housing of switchgear by described mounting panel.Switchgear can also can be other switch cubicle for 12kV and following three-phase alternating current 50Hz high-tension switch cabinet.
Pole type high voltage isolator of the present invention, can be used for 12kV and following three-phase alternating current 50Hz high-tension switch cabinet, match with miscellaneous equipment in the switch cubicle and to be subjected to occasions such as distribution, industrial and mining enterprises' cause distribution for power transmission and transformation system electric substation, when the user carries out equipment and loaded line maintenance, make mains side and the load side of high voltage switchgear form reliable voltage isolation fracture, guarantee operating personnel's safety.
Embodiment:
With reference to accompanying drawing 1 to Fig. 4, the major loop of isolating switch is made up of the three-phase pole, on each phase pole, main support component is insulating sleeve (8), the electrification in high voltage parts that support isolating switch by its feed out end contact base (4), power end contact base (10), conducting rod (6), make between the mounting panel (7) of electrification in high voltage parts and ground connection to satisfy insulating requirements.Insulating sleeve (8) middle part is provided with mounting flange, be assembled into together by the three-phase pole of mounting panel (7) with isolating switch, and be installed on the cabinet of switch cubicle, and will feed out end contact base (4) by mounting panel (7) and separate fully with power end contact base (10), improve security of products.
By the axial motion of conducting rod (6) along insulating sleeve (8), realize combined floodgate and the separating brake of isolating switch:
As Fig. 1-shown in Figure 2, it is the state that isolating switch closes a floodgate;
As Fig. 3-shown in Figure 4, it is the state of isolating switch separating brake.
Conducting rod (6) remains electric the contact with feeding out end contact base (4), and when isolating switch need close a floodgate, conducting rod (6) was to the motion of power end contact base (10) direction and insertion, and when isolating switch needed separating brake, conducting rod (6) is motion in the other direction.
Electric between contact base (4,10) and the conducting rod (6) contact by with radial loop around spring conducting ring (9) realize, be provided with the mounting groove of mounting spring conducting ring (9) at contact base (4,10), guarantee that spring conducting ring (9) can not come off.
The axial motion of conducting rod (6) drives by insulation bogie (1).Insulation bogie (1) connects together the conducting rod (6) of isolating switch three-phase, and insulation edge bogie (1) is externally under the driving of operating mechanism during move left and right, the move simultaneously divide-shut brake of realization isolating switch three-phase of three-phase conducting rod (6).Adopt oscillating bearing (2) to connect together with pin (3) between insulation bogie and the three-phase conducting rod (6), when this connected mode is inserted in the contact base (10) when conducting rod (6), conducting rod (6) can be adjusted the position automatically, assurance and spring conducting ring (9) be even contact radially, guarantees the reliability of electric contact.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (3)
1. pole type three-phase high-voltage isolating switch, it is characterized in that, each of this three-phase high-voltage isolating switch is respectively equipped with an insulating sleeve mutually, the two ends of described insulating sleeve are respectively equipped with the live part contact base, the middle part of described live part contact base is provided with through hole, wherein be inserted with the sliding conduction bar in the contact base of an end, the outer end of described conducting rod is connected with the insulation bogie;
The middle part of described insulating sleeve is provided with mounting flange, links together by mounting panel and the mounting flange insulating sleeve with three-phase, and described mounting panel separates the live part contact base at described insulating sleeve two ends fully;
The inwall of the through hole of described live part contact base is provided with annular mounting groove, and the spring conducting ring is housed in the described annular mounting groove, and described spring conducting ring closely contacts with described conducting rod;
The insulation bogie of three-phase connects as one structure, is connected by oscillating bearing between described insulation bogie and the described conducting rod.
2. pole type three-phase high-voltage isolating switch according to claim 1 is characterized in that, this three-phase high-voltage isolating switch is installed on the housing of switchgear by described mounting panel.
3. pole type three-phase high-voltage isolating switch according to claim 2 is characterized in that, described switchgear is 12kV and following three-phase alternating current 50Hz high-tension switch cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010232722 CN101901712B (en) | 2010-07-16 | 2010-07-16 | Pole type three-phase high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010232722 CN101901712B (en) | 2010-07-16 | 2010-07-16 | Pole type three-phase high-voltage isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101901712A CN101901712A (en) | 2010-12-01 |
| CN101901712B true CN101901712B (en) | 2013-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010232722 Active CN101901712B (en) | 2010-07-16 | 2010-07-16 | Pole type three-phase high-voltage isolating switch |
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| CN (1) | CN101901712B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2924762Y (en) * | 2006-06-21 | 2007-07-18 | 福州天宇电气股份有限公司 | Direct-acting high-voltage isolating switch |
| CN201112243Y (en) * | 2007-09-11 | 2008-09-10 | 湖州泰仑电力设备有限公司 | Direct-action type isolating switch |
| CN201142295Y (en) * | 2007-12-26 | 2008-10-29 | 沈阳鹏达电气有限公司 | Miniature rotary isolation switch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH559440A5 (en) * | 1973-07-12 | 1975-02-28 | Bbc Brown Boveri & Cie | |
| CN2879395Y (en) * | 2006-04-03 | 2007-03-14 | 杭州之江开关股份有限公司 | Shunt switch spring device for breaking mechanism |
| CN201886954U (en) * | 2010-07-16 | 2011-06-29 | 北京华东电气股份有限公司 | Novel pole column type three-phase high-voltage isolating switch |
-
2010
- 2010-07-16 CN CN 201010232722 patent/CN101901712B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2924762Y (en) * | 2006-06-21 | 2007-07-18 | 福州天宇电气股份有限公司 | Direct-acting high-voltage isolating switch |
| CN201112243Y (en) * | 2007-09-11 | 2008-09-10 | 湖州泰仑电力设备有限公司 | Direct-action type isolating switch |
| CN201142295Y (en) * | 2007-12-26 | 2008-10-29 | 沈阳鹏达电气有限公司 | Miniature rotary isolation switch |
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| Publication number | Publication date |
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| CN101901712A (en) | 2010-12-01 |
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