CN102832563A - Integrally-cast solid insulation grounding device - Google Patents
Integrally-cast solid insulation grounding device Download PDFInfo
- Publication number
- CN102832563A CN102832563A CN201210320813XA CN201210320813A CN102832563A CN 102832563 A CN102832563 A CN 102832563A CN 201210320813X A CN201210320813X A CN 201210320813XA CN 201210320813 A CN201210320813 A CN 201210320813A CN 102832563 A CN102832563 A CN 102832563A
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- ground connection
- sleeve pipe
- grounding
- conductive pole
- solid insulation
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- 238000009413 insulation Methods 0.000 title claims abstract description 52
- 239000007787 solid Substances 0.000 title claims abstract description 30
- 238000005266 casting Methods 0.000 claims abstract description 24
- 230000002146 bilateral effect Effects 0.000 claims description 30
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000005684 electric field Effects 0.000 abstract description 4
- 238000000605 extraction Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention belongs to the field of electrics, and discloses an integrally-cast solid insulation grounding device, which comprises a duplex sleeve and a grounding control module connected with the duplex sleeve. The duplex sleeve comprises an inner core conduction column and an insulating shell cast on the periphery of the inner core conduction column. One end of the duplex sleeve is connected with an incoming line/outgoing line, and the other end of the duplex sleeve is connected with a ring main unit load switch or an isolating switch. The grounding control module comprises a grounding fixed contact, a grounding chamber and a grounding conduction column. The grounding conduction column can axially move, and is in insertion and extraction connection with the grounding fixed contact. Natural air is taken as an insulating medium as usual, and the conventional solid insulation casting technology is combined, so that a grounding switch implemented by the grounding control module and the sleeve connected with the incoming line or the outgoing line are well integrated organically into a casting module, the problem of discrete division is solved, and the problem of phase-to-phase isolation is also solved by transferring a high electric field to a solid insulating medium with electrical performance.
Description
Technical field
The present invention relates to technical field of electricity, particularly relate to a kind of integrated casting solid insulation earthing device.
Background technology
In the switch cubicle or ring main unit of present power industry, applied earthed switch has four kinds of modes: (1) utilizes vacuum interrupter as earthy, and this kind mode cost is very high; (2) utilize the gas earthed switch that manufacturing forms as dielectric, the generation of problems such as this earthed switch need prevent to leak gas, pollution is so the very complicated and required checkout equipment of manufacture craft is many, relatively more expensive; (3) utilize the insulation wet goods liquid earthed switch that manufacturing forms as dielectric,,, and occur the danger of oil spilling or blast easily so manufacture craft is also very loaded down with trivial details in order to prevent the generation of problem such as leakage of oil; (4) utilize the natural air earthed switch that manufacturing forms as dielectric; Though avoided the appearance of above problem; But; Have now and utilize the existence of the natural air earthed switch that manufacturing forms as dielectric to leave and the insecure problem of insulation against ground separately, entrance bushing or outlet sleeve pipe all are that the processing or the assembling of partition type is more loaded down with trivial details, and are not easy to manage and the modularization mass production.
Summary of the invention
The technical problem that (one) will solve
The technical problem that the present invention will solve is to defective of the prior art, and a kind of integrated casting solid insulation earthing device is provided, solve/the outlet sleeve pipe disperses the problem of isolating and assembles loaded down with trivial details, as to be not easy to mass production problem.
(2) technical scheme
In order to solve the problems of the technologies described above; The present invention provides a kind of integrated casting solid insulation earthing device; It comprises: bilateral sleeve pipe and coupled ground connection control module; Said bilateral sleeve pipe comprises that inner core conductive pole and pouring ladle are rolled in insulation crust to the periphery of said inner core conductive pole week, and said bilateral sleeve pipe one end connects into/outlet, and the other end connects ring main unit on-load switch or isolating switch; Said ground connection control module comprises the ground connection fixed contact that is connected with said inner core conductive pole and passes said insulation crust; Said ground connection fixed contact outer setting has the earthing chamber that forms with said insulation crust one cast; The earthing chamber outer face relative with said ground connection fixed contact is provided with the ground connection conductive pole that passes this end face, and said ground connection conductive pole can move axially and be connected with said ground connection fixed contact plug-in.
Wherein, said bilateral sleeve pipe one end is provided with into/the outlet sleeve pipe, saidly advances/lead collar tube end cable is provided with bolt hole, saidly advance/outlet is fixed on said bilateral sleeve pipe one end through said bolt hole.
Wherein, Be provided with annular first boss on the said insulation crust of protrusion surface near the insulation crust of said bilateral sleeve pipe one end end; Said first boss, one side has annular groove, and said bilateral sleeve pipe one end is connected into groove/the lead collar shoe through said first boss.
Wherein, offer contact apertures on the inner core conductive pole of the said bilateral sleeve pipe other end, said contact apertures links to each other with said ring main unit on-load switch or isolating switch.
Wherein, The said bilateral sleeve pipe other end also is provided with second boss of the said insulation crust of protrusion; Said second boss is provided with the electrification display terminals, and said electrification display terminals are electrically connected with the gauze screen that is arranged on the relative both sides of said inner core conductive pole.
Wherein, said earthing chamber is equipped with seal cover on the outer face, offers groove on the outer face of said seal cover, and said groove center offers through hole, and said ground connection conductive pole passes said through hole.
Wherein, the outer face of said seal cover is the plane, and having on the inner face with said through hole is several annulars convexities concentric and different radii at center, and said annular convexity is positioned at said groove.
Wherein, be provided with the insulated enclosure circle between said seal cover and the said earthing chamber inwall.
Wherein, said bilateral sleeve pipe is L shaped, comprises orthogonal perpendicular long portion and horizontal short portion, and said ground connection control module is parallel to said perpendicular long portion and is arranged in the said horizontal short portion.
(3) beneficial effect
The integrated casting solid insulation earthing device that technique scheme provided; Inherited and utilized natural air as dielectric; In conjunction with the technology that has ripe solid insulation cast now; Well organically be combined into a cast module to earthed switch of realizing by the ground connection control module and the sleeve pipe that is connected inlet wire or outlet, thereby solved discrete segmentation problem, simultaneously also through having solved alternate isolating problem on the solid dielectric insulation of marrying again high electric field high electrical property; Can mass production, reduce cost.
Description of drawings
Fig. 1 is the section of structure of the integrated casting solid insulation earthing device of the embodiment of the invention when closing a floodgate;
Section of structure when Fig. 2 is the integrated casting solid insulation earthing device separating brake of the embodiment of the invention;
Fig. 3 is the perspective view of the integrated casting solid insulation earthing device of the embodiment of the invention;
Fig. 4 is the upward view of integrated casting solid insulation earthing device among Fig. 3;
Fig. 5 is the right view of integrated casting solid insulation earthing device among Fig. 3.
Wherein, 1: advance/the outlet sleeve pipe; 2: groove; 3: conductive pole; 4: the electrification display terminals; 5: seal cover; 5a: screwed hole; 5b: through hole; 5c: first fixing hole; 6: the ground connection fixed contact; 7: earthing chamber; 8: the ground connection conductive pole; 9: bolt hole; 10: the second boss; 11: contact apertures; 12: the second fixing holes; 13: gauze screen; 14: sealing ring.
Embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
Section of structure when Fig. 1 is present embodiment integrated casting solid insulation earthing device combined floodgate; Section of structure when Fig. 2 is present embodiment earthing device separating brake; Fig. 3 is the perspective view of present embodiment earthing device; Fig. 4 is the upward view of earthing device among Fig. 3; Fig. 5 is the right view of earthing device among Fig. 3.
Present embodiment integrated casting solid insulation earthing device comprises bilateral sleeve pipe (not indicating among the figure) and the ground connection control module that links to each other with its one (not indicating among the figure); Said bilateral sleeve pipe comprises that inner core conductive pole 3 and pouring ladle are rolled in insulation crust to the periphery of said 3 weeks of inner core conductive pole; Said bilateral sleeve pipe one end connects into/outlet, and the other end connects ring main unit on-load switch or isolating switch; Said ground connection control module comprises the ground connection fixed contact 6 that is connected with said inner core conductive pole 3 and passes said insulation crust; Said ground connection fixed contact 6 outer setting have the earthing chamber 7 that forms with said insulation crust one cast; Be provided with the ground connection conductive pole 8 that passes this end face with said ground connection fixed contact 6 relative earthing chamber 7 outer faces, said ground connection conductive pole 8 can move axially and be connected with said ground connection fixed contact 6 plug-ins.
Present embodiment integrated casting solid insulation earthing device is when concrete the application, and an end connects inlet wire or outlet, and the other end connects ring main unit on-load switch or isolating switch, satisfies the electrical equipment requirement that electric current is advanced by quiet end; The ground connection conductive pole 8 of ground connection control module connects the ground connection handle; By moving axially of the lever operated control of ground connection ground connection conductive pole 8; The contact that is grounded conductive pole 8 and ground connection fixed contact 6 with separate, thereby realize the non-ground connection of whole galvanic circle and the state of ground connection.
Wherein, said bilateral sleeve pipe one end is provided with into/outlet sleeve pipe 1, saidly advance/outlet sleeve pipe 1 end cable is provided with bolt hole 9, and said inlet wire or outlet are fixed on said bilateral sleeve pipe one end through said bolt hole 9.Particularly, when connecting inlet wire or outlet, be fixed on inlet wire or outlet cable joint-box shoe on the bolt hole 9 with connecting screw rod, again from the inner nut fastening screw of using of cable joint-box shoe, can and advance the cable outlet end/outlet sleeve pipe 1 is fixing.Further; Also be provided with annular first boss on the said insulation crust of protrusion surface on the insulation crust near said bilateral sleeve pipe one end end; Said first boss, one side has annular groove 2; Said bilateral sleeve pipe one end is connected into groove 2/the lead collar shoe through said first boss, and it is used to realize the support of the casing shoe that inlet wire or outlet connect and fixing, improves inlet wire or outlet strength of fixation.
Ground connection fixed contact 6 is the welding integral type with inner core conductive pole 3; The earthing chamber 7 of ground connection fixed contact 6 outer setting is in order to satisfy the present embodiment earthing device with the characteristic of air as dielectric, and said earthing chamber is equipped with seal cover 5 on 7 outer faces, offers groove on the outer face of said seal cover 5; Said groove center offers through hole 5b; Said ground connection conductive pole 8 passes said through hole 5b, is seamless connectivity between said groove and the said ground connection conductive pole 8, guarantees the sealing of earthing chamber 7.
The outer face of said seal cover 5 is the plane; Several that to have with said through hole 5b on the inner face be the center with one heart and annulars of different radii protruding, said annular convexity is positioned at said groove, has three annular convexities in the present embodiment; And the height of three annular convexities is not exclusively equal; Through the protruding setting of annular, prolong creepage distance, thereby realize anti-creepage effect.Further; In order effectively to prolong creepage distance; Between said seal cover 5 and said earthing chamber 7 inwalls, be provided with insulated enclosure circle 14; Install between back seal cover 5 and said earthing chamber 7 inwalls about interference 1mm, prevent that high voltage from spilling from the slit between said seal cover 5 and said earthing chamber 7 inwalls.
In the above-mentioned ground connection control module, straight action-oriented sealed groove and groove intermediate throughholes 5b that ground connection conductive pole 8 passes seal cover 5 fix, thereby reach fixing, lead, seal and prevent creepage effect.Earthing chamber 7 outer faces are provided with screwed hole 5a, are used for fixing between seal cover 5 and the earthing chamber 7; Seal cover 5 is provided with the first fixing hole 5c, is used for the fixed installation of ground connection control module.
The concrete course of work of present embodiment insulation earthing device is: when ground connection lever operated during to the separating brake position; Ground connection conductive pole 8 is done synchronously linearly operating; Separate rapidly with ground connection fixed contact 6; When the lever operated action of ground connection was accomplished, ground connection conductive pole 8 also can be synchronous was still in position as shown in Figure 2, and whole loop is in non-ground state; When the ground connection handle was operated closing position with ground connection, ground connection conductive pole 8 communicates with ground connection fixed contact 6, and was as shown in Figure 1.Make whole loop be in the safe condition of ground connection through conductive pole 3.
For the installation that cooperates between satisfying present embodiment insulation earthing device and other installing; Preferred said bilateral sleeve pipe is set to L shaped; Comprise orthogonal perpendicular long portion and horizontal short portion; Said ground connection control module is parallel to said perpendicular long portion and is arranged in the said horizontal short portion, to realize generally being suitable for of present embodiment insulation earthing device.
Can find out by above embodiment; The present invention has inherited and has utilized natural air as dielectric; In conjunction with the technology that has ripe solid insulation cast now; Well organically be combined into a cast module to earthed switch of realizing by the ground connection control module and the sleeve pipe that is connected inlet wire or outlet, thereby solved discrete segmentation problem, simultaneously also through having solved alternate isolating problem on the solid dielectric insulation of marrying again high electric field high electrical property.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and replacement, these improvement and replacement also should be regarded as protection scope of the present invention.
Claims (9)
1. integrated casting solid insulation earthing device; It is characterized in that; Comprise: bilateral sleeve pipe and coupled ground connection control module; Said bilateral sleeve pipe comprises that inner core conductive pole (3) and pouring ladle are rolled in said inner core conductive pole (3) week insulation crust to the periphery, and said bilateral sleeve pipe one end connects into/outlet, and the other end connects ring main unit on-load switch or isolating switch; Said ground connection control module comprises the ground connection fixed contact (6) that is connected with said inner core conductive pole (3) and passes said insulation crust; Said ground connection fixed contact (6) outer setting has the earthing chamber (7) that forms with said insulation crust one cast; Earthing chamber (7) outer face relative with said ground connection fixed contact (6) is provided with the ground connection conductive pole (8) that passes this end face, and said ground connection conductive pole (8) can move axially and be connected with said ground connection fixed contact (6) plug-in.
2. integrated casting solid insulation earthing device as claimed in claim 1; It is characterized in that; Said bilateral sleeve pipe one end is provided with into/outlet sleeve pipe (1); Saidly advance/outlet sleeve pipe (1) end cable is provided with bolt hole (9), saidly advance/outlet is fixed on said bilateral sleeve pipe one end through said bolt hole (9).
3. integrated casting solid insulation earthing device as claimed in claim 2; It is characterized in that; Be provided with annular first boss on the said insulation crust of protrusion surface near the insulation crust of said bilateral sleeve pipe one end end; Said first boss, one side has annular groove (2), and said bilateral sleeve pipe one end is connected into/the lead collar shoe with groove (2) through said first boss.
4. integrated casting solid insulation earthing device as claimed in claim 1; It is characterized in that; Offer contact apertures (11) on the inner core conductive pole (3) of the said bilateral sleeve pipe other end, said contact apertures (11) links to each other with said ring main unit on-load switch or isolating switch.
5. integrated casting solid insulation earthing device as claimed in claim 4; It is characterized in that; The said bilateral sleeve pipe other end also is provided with second boss (10) of the said insulation crust of protrusion; Said second boss (10) is provided with electrification display terminals (4), and said electrification display terminals (4) are electrically connected with the gauze screen (13) that is arranged on the relative both sides of said inner core conductive pole (3).
6. integrated casting solid insulation earthing device as claimed in claim 1; It is characterized in that; Said earthing chamber (7) is equipped with seal cover (5) on the outer face; Offer groove on the outer face of said seal cover (5), said groove center offers through hole (5b), and said ground connection conductive pole (8) passes said through hole (5b).
7. integrated casting solid insulation earthing device as claimed in claim 6; It is characterized in that; The outer face of said seal cover (5) is the plane; Having on the inner face with said through hole (5b) is several annulars convexities concentric and different radii at center, and said annular convexity is positioned at said groove.
8. integrated casting solid insulation earthing device as claimed in claim 7 is characterized in that, is provided with insulated enclosure circle (14) between said seal cover (5) and said earthing chamber (7) inwall.
9. integrated casting solid insulation earthing device as claimed in claim 1 is characterized in that said bilateral sleeve pipe is L shaped, comprises orthogonal perpendicular long portion and horizontal short portion, and said ground connection control module is parallel to said perpendicular long portion and is arranged in the said horizontal short portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210320813.XA CN102832563B (en) | 2012-08-31 | 2012-08-31 | Integrally-cast solid insulation grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210320813.XA CN102832563B (en) | 2012-08-31 | 2012-08-31 | Integrally-cast solid insulation grounding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102832563A true CN102832563A (en) | 2012-12-19 |
| CN102832563B CN102832563B (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210320813.XA Active CN102832563B (en) | 2012-08-31 | 2012-08-31 | Integrally-cast solid insulation grounding device |
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| Country | Link |
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| CN (1) | CN102832563B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117189A (en) * | 2012-12-24 | 2013-05-22 | 刘晓颖 | Solid encapsulated pole and solid insulated ring network cabinet |
| CN108172446A (en) * | 2018-01-06 | 2018-06-15 | 北海银河开关设备有限公司 | A kind of earthing switch pole |
| CN110783848A (en) * | 2019-11-14 | 2020-02-11 | 许继集团有限公司 | Insulating sleeve assembly and switch equipment using same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11164429A (en) * | 1997-12-01 | 1999-06-18 | Toshiba Corp | Disconnector with grounding device |
| CN101651302A (en) * | 2008-08-12 | 2010-02-17 | 株式会社日立制作所 | Vacuum switch |
| CN202050164U (en) * | 2011-05-20 | 2011-11-23 | 湖北网安科技有限公司 | Three-phase monomer solidly-sealed and insulated lower outgoing line seat |
| CN102376486A (en) * | 2010-08-25 | 2012-03-14 | 沈阳昊诚电气股份有限公司 | Solid insulation independent grounding switch |
| CN202872245U (en) * | 2012-08-31 | 2013-04-10 | 北京华电瑞通电力工程技术有限公司 | Integrated-pouring solid-insulation earthing device |
-
2012
- 2012-08-31 CN CN201210320813.XA patent/CN102832563B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11164429A (en) * | 1997-12-01 | 1999-06-18 | Toshiba Corp | Disconnector with grounding device |
| CN101651302A (en) * | 2008-08-12 | 2010-02-17 | 株式会社日立制作所 | Vacuum switch |
| CN102376486A (en) * | 2010-08-25 | 2012-03-14 | 沈阳昊诚电气股份有限公司 | Solid insulation independent grounding switch |
| CN202050164U (en) * | 2011-05-20 | 2011-11-23 | 湖北网安科技有限公司 | Three-phase monomer solidly-sealed and insulated lower outgoing line seat |
| CN202872245U (en) * | 2012-08-31 | 2013-04-10 | 北京华电瑞通电力工程技术有限公司 | Integrated-pouring solid-insulation earthing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117189A (en) * | 2012-12-24 | 2013-05-22 | 刘晓颖 | Solid encapsulated pole and solid insulated ring network cabinet |
| CN108172446A (en) * | 2018-01-06 | 2018-06-15 | 北海银河开关设备有限公司 | A kind of earthing switch pole |
| CN110783848A (en) * | 2019-11-14 | 2020-02-11 | 许继集团有限公司 | Insulating sleeve assembly and switch equipment using same |
| CN110783848B (en) * | 2019-11-14 | 2021-12-07 | 许继集团有限公司 | Insulating sleeve assembly and switch equipment using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102832563B (en) | 2015-04-15 |
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