CN203367129U - Solid insulating disconnecting and grounding switch - Google Patents
Solid insulating disconnecting and grounding switch Download PDFInfo
- Publication number
- CN203367129U CN203367129U CN 201320450766 CN201320450766U CN203367129U CN 203367129 U CN203367129 U CN 203367129U CN 201320450766 CN201320450766 CN 201320450766 CN 201320450766 U CN201320450766 U CN 201320450766U CN 203367129 U CN203367129 U CN 203367129U
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- switch
- terminal
- insulation
- cylinder
- disconnecting
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Abstract
The utility model discloses a solid insulating disconnecting and grounding switch. The solid insulating disconnecting and grounding switch relates to the medium-high voltage electric appliance manufacture technology field, and comprises an insulating shell in which a disconnecting switch and a grounding switch are arranged. The static end part of the disconnecting switch is composed of a bus terminal, a disconnecting switch insulating cylinder and a conductive terminal, and the static end part of the grounding switch is composed of the conductive terminal, a grounding switch insulating cylinder and a grounding terminal. The static end parts of the grounding switch and the disconnecting switch possess a movable terminal common channel in which a common movable terminal and an operating mechanism are arranged, and the two ends of the disconnecting switch insulating cylinder and the grounding switch insulating cylinder are all equipped with shielding covers. The solid insulating disconnecting and grounding switch of the utility model can solve the problems that the solid insulating switch is large in size and many in assemble links, flash-over occurs easily inside the switch, and the partial discharge is severe.
Description
Technical field
The utility model relates to mesohigh electrical equipment manufacturing technology field, especially a kind of fixed sealing type, and surface of insulating layer is coated with ground plane, for the solid insulation isolation earthing switch of solid insulation ring main unit.
Background technology
Solid insulation ring main unit is current ring main unit Hot spots for development, and as the key equipment of urban network restructuring and the control of user's controller switching equipment, the quality of ring main unit quality is directly connected to the safety and reliability of transmission system.Because SF6 gas has superior arc quenching effect, with the gas isolated ring main unit of SF6, use very general at present, but because SF6 gas is a kind of gas of not environmental protection, its destructive power to atmospheric ozone layer is equivalent to 23900 times of CO2, understand the greenhouse effect that aggravate the earth as dealt with improperly, along with people constantly strengthen environmental consciousness, the unfavorable factor of SF6 gas-insulated ring network cabinet has also caused people's concern.
Existing many enterprises release the solid insulation ring main unit product in the market, the form of its solid insulation pole is also had nothing in common with each other, as shown in the utility model content that application number is 201210329195.5, its surface of insulating layer also is coated with and partly connects stratum, the form that isolating switch and earthed switch are rotary knife switch, so exist switch fracture distance larger, the assembling link many problem, no matter be that Electric Field Distribution is processed or all the pressure measure implements more difficult, its overall dimension comprises that production cost is all relatively high.It is reported at present also a kind of solid insulation pole, its isolating switch and earthed switch are the forms with three station vacuum tubes, but three station technologies in vacuum tube are not also overripened at present, and the vacuum fracture dodges and irons apart from the inner generation of too small easy proximity switch, the problem that partial discharge is serious.
The utility model content
The purpose of this utility model is to provide a kind of solid insulation isolation earthing switch, and it is large that it can solve the solid insulation switch volume, and the assembling link is many, and switch is inner easily to be occurred to dodge to iron, the problem that partial discharge is serious.
In order to address the above problem, the technical solution adopted in the utility model is: this solid insulation isolation earthing switch comprises that outside scribbles the insulation shell of ground plane, is provided with isolating switch, earthed switch in described insulation shell; Be provided with conducting terminal in described insulation shell and stretch out housing outer earth terminal and bus bar side sleeve pipe, in described bus bar side sleeve pipe, pressure injection has the bus terminal, one end of described conducting terminal is connected with described earth terminal by the earthed switch insulating cylinder, and the other end is connected with described bus terminal by the isolation switch insulation cylinder; The quiet end of described isolating switch is divided by described bus terminal, described isolation switch insulation cylinder and described conducting terminal and is formed; The quiet end of described earthed switch is divided by described conducting terminal, described earthed switch insulating cylinder and described earth terminal and is formed; The quiet end of described earthed switch is divided with the quiet end of described isolating switch and is divided and have the moved end common-use tunnel that is communicated with successively earth terminal, described earthed switch insulating cylinder, described conducting terminal, described isolation switch insulation cylinder and described bus terminal, be provided with in this moved end common-use tunnel and share moved end and drive the mobile operating mechanism of described shared moved end, the outer wall of described shared moved end is embedded with the conduction of described conducting terminal conducting and touches son; Both end sides at described isolation switch insulation cylinder and described earthed switch insulating cylinder all is equipped with radome.
In technique scheme, more specifically scheme can also be: in described bus bar side union body inside, be provided with the bus transducer.
Further: described insulation shell is the epoxy resin housing, and described bus terminal is the copper part.
Further: described operating mechanism comprises screw mandrel and silk braid, described shared movable contact is provided with the through hole arranged in the same way with described moved end common-use tunnel, described silk braid is fixedly installed in described through hole, described screw mandrel is threaded with described silk braid, and described screw mandrel has the operation part of stretching out described insulation shell.
Owing to having adopted technique scheme, compared with prior art, the beneficial effect had is the utility model:
1, this solid insulation isolation earthing switch, adopt straight-line plug-in contact, avoids using too much bolt and nut, reduces the generation of wedge angle, is conducive to Electric Field Distribution, improves the insulating capacity of product.
2, this solid insulation isolation earthing switch, adopt four radomes between isolation pass and earthed switch fracture, improves the electric field between fracture, thereby make the very little situation of fracture distance also can meet the insulating requirements of product, realizes the Miniaturization Design of product.
3, this solid insulation isolation earthing switch, isolating switch and the action of earthed switch divide-shut brake are coordinated and are driven by screw mandrel and silk braid, reliable in action, Position Control is accurate.
The accompanying drawing explanation
Fig. 1 is the schematic top plan view of solid insulation isolation earthing switch.
Fig. 2 is the cross-sectional schematic of solid insulation isolation earthing switch.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Solid insulation isolation earthing switch shown in Fig. 1, Fig. 2, inserts 1 pressure injection, in insulation shell 9, is used for fixing this switch.Insulation shell 9 is the epoxy resin housing; Be provided with conducting terminal 5 in insulation shell 9 and stretch out housing outer earth terminal 2 and bus bar side sleeve pipe 8, the interior pressure injection of bus bar side sleeve pipe 8 has bus terminal 6, one end of conducting terminal 5 is connected with earth terminal 2 by earthed switch insulating cylinder 3, and the other end is connected with bus terminal 6 by isolation switch insulation cylinder 16; The quiet end of isolating switch is divided by bus terminal 6, isolation switch insulation cylinder 16 and conducting terminal 5 and is formed; The quiet end of earthed switch is divided by conducting terminal 5, earthed switch insulating cylinder 3 and earth terminal 2 and is formed; The quiet end of earthed switch is divided with the quiet end of described isolating switch and is divided and have the moved end common-use tunnel that is communicated with successively earth terminal 2, earthed switch insulating cylinder 3, conducting terminal 5, isolation switch insulation cylinder 16 and bus terminal 6, be provided with the operating mechanism that shares moved end 13 and drive shared moved end 13 to move in this moved end common-use tunnel, the outer wall that shares moved end 13 is embedded with the conduction of conducting terminal 5 conductings and touches son 15.Before whole solid insulation isolation earthing switch solidifies, by earthed switch insulating cylinder 3 and isolation switch insulation cylinder 16, earth terminal 2, conducting terminal 5 and bus terminal 6 connect into an integral body; By suitable interference fit, earthed switch insulating cylinder 3 can be sealed the connecting end surface that is connected each terminal with isolation switch insulation cylinder 16, and the epoxy resin before preventing from solidifying is injected in the conducting cavity of each terminal; Both end sides at isolation switch insulation cylinder 16 and earthed switch insulating cylinder 3 all is equipped with radome 4, and four radomes 4 are arranged on respectively the upper end of earth terminal 2, the upper end of the upper and lower end of conducting terminal 5 and bus terminal 6; Above-mentioned accessory is assembled into an integral body by mold tooling, debugging is packed into after putting in place in mould, finally install to bus transducer 7 together in mould, by heat cured Epoxy Resin, be enclosed in together, the solid insulation isolation earthing switch just has been shaped, and bus bar side sleeve pipe 8 is by the die cavity straight forming of mould.
After having formed the solid insulation isolation earthing switch by heat cured epoxy resin sealing, screw mandrel 10 and silk braid 11 and moved end 13 connect into an integral body by caging bolt 12, fairlead 14 is housed on moved end 13 and conduction is touched son 15, by conducting electricity, touches son 15 moved end 13 is connected with conducting terminal 5 conductings; Screw mandrel 10 and silk braid 11 are assembled into an integral body by fixture and moved end 13, coordinate corresponding operating mechanism, and moved end 13 is moved up and down, realize isolating switch and earthed switch minute, close action.
Claims (4)
1. a solid insulation isolation earthing switch, comprise that outside scribbles the insulation shell of ground plane (9), described insulation shell is provided with isolating switch in (9), earthed switch, it is characterized in that: be provided with conducting terminal (5) in described insulation shell (9) and stretch out housing outer earth terminal (2) and bus bar side sleeve pipe (8), the interior pressure injection of described bus bar side sleeve pipe (8) has bus terminal (6), one end of described conducting terminal (5) is connected with described earth terminal (2) by earthed switch insulating cylinder (3), the other end is connected with described bus terminal (6) by isolation switch insulation cylinder (16), the quiet end of described isolating switch is divided by described bus terminal (6), described isolation switch insulation cylinder (16) and described conducting terminal (5) formation, the quiet end of described earthed switch is divided by described conducting terminal (5), described earthed switch insulating cylinder (3) and described earth terminal (2) formation, the quiet end of described earthed switch is divided with the quiet end of described isolating switch and is divided and have the moved end common-use tunnel that is communicated with successively earth terminal (2), described earthed switch insulating cylinder (3), described conducting terminal (5), described isolation switch insulation cylinder (16) and described bus terminal (6), be provided with in this moved end common-use tunnel and share moved end (13) and drive the mobile operating mechanism of described shared moved end (13), the outer wall of described shared moved end (13) is embedded with the conduction of described conducting terminal (5) conducting and touches son (15), both end sides at described isolation switch insulation cylinder (16) and described earthed switch insulating cylinder (3) all is equipped with radome (4).
2. solid insulation isolation earthing switch according to claim 1, is characterized in that: in described bus bar side sleeve pipe (8) body inside, be provided with bus transducer (7).
3. solid insulation isolation earthing switch according to claim 1 and 2, it is characterized in that: described insulation shell (9) is the epoxy resin housing, and described bus terminal (6) is the copper part.
4. solid insulation isolation earthing switch according to claim 3, it is characterized in that: described operating mechanism comprises screw mandrel (10) and silk braid (11), described shared movable contact (13) is provided with the through hole arranged in the same way with described moved end common-use tunnel, described silk braid (11) is fixedly installed in described through hole, described screw mandrel (10) is threaded with described silk braid (11), and described screw mandrel (10) has the operation part of stretching out described insulation shell (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320450766 CN203367129U (en) | 2013-07-27 | 2013-07-27 | Solid insulating disconnecting and grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320450766 CN203367129U (en) | 2013-07-27 | 2013-07-27 | Solid insulating disconnecting and grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203367129U true CN203367129U (en) | 2013-12-25 |
Family
ID=49814854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320450766 Withdrawn - After Issue CN203367129U (en) | 2013-07-27 | 2013-07-27 | Solid insulating disconnecting and grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203367129U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367021A (en) * | 2013-07-27 | 2013-10-23 | 北海银河开关设备有限公司 | Solid insulating isolating grounding switch |
| CN105590778A (en) * | 2015-12-18 | 2016-05-18 | 北京双杰电气股份有限公司 | Isolating switch |
-
2013
- 2013-07-27 CN CN 201320450766 patent/CN203367129U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367021A (en) * | 2013-07-27 | 2013-10-23 | 北海银河开关设备有限公司 | Solid insulating isolating grounding switch |
| CN103367021B (en) * | 2013-07-27 | 2016-02-03 | 北海银河开关设备有限公司 | A kind of solid insulation isolation earthing switch |
| CN105590778A (en) * | 2015-12-18 | 2016-05-18 | 北京双杰电气股份有限公司 | Isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20160203 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |