CN102832563B - Integrally-cast solid insulation grounding device - Google Patents
Integrally-cast solid insulation grounding device Download PDFInfo
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- CN102832563B CN102832563B CN201210320813.XA CN201210320813A CN102832563B CN 102832563 B CN102832563 B CN 102832563B CN 201210320813 A CN201210320813 A CN 201210320813A CN 102832563 B CN102832563 B CN 102832563B
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- sleeve pipe
- grounding
- integrally
- conductive pole
- ground connection
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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 Integrally-cast solid insulation earthing device.
Background technology
In the switch cubicle or ring main unit of current power industry, the earthed switch applied has four kinds of modes: (1) utilizes vacuum interrupter as earthy, and this kind of mode cost is very high; (2) utilize gas as the earthed switch of dielectric manufacture, this earthed switch needs to prevent the generation of the problems such as gas leakage, pollution, so the very complicated and required checkout equipment of manufacture craft often, costly; (3) utilizing insulation wet goods liquid as the earthed switch of dielectric manufacture, in order to prevent the generation of the problems such as leakage of oil, so manufacture craft is also very loaded down with trivial details, and easily occurring the danger of oil spilling or blast; (4) utilize natural air as the earthed switch of dielectric manufacture, although avoid the appearance of above problem, but, the existing natural air that utilizes exists separately from problem insecure with insulation against ground as the earthed switch of dielectric manufacture, entrance bushing or outlet casing tube are all the process of partition type or assemble more loaded down with trivial details, and are not easy to management and modularization mass production.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is for defect of the prior art, provides a kind of Integrally-cast solid insulation earthing device, solves the problem of entry/exit thread casing dispersion isolation and assembles loaded down with trivial details, to be not easy to mass production problem.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of Integrally-cast solid insulation earthing device, it comprises: bilateral sleeve pipe and coupled ground connection control module, described bilateral sleeve pipe comprises inner core conductive pole and pouring ladle is rolled in described inner core conductive pole week insulation crust to the periphery, described bilateral sleeve pipe one end connects entry/exit line, and the other end connects ring main unit load switch or isolating switch; Described ground connection control module comprises and to be connected with described inner core conductive pole and through the grounding static contact of described insulation crust, described grounding static contact outer setting has pours into a mould with described insulation crust one the earthing chamber formed, the earthing chamber outer face relative with described grounding static contact is provided through the ground connection conductive pole of this end face, described ground connection conductive pole can move axially and be connected with described grounding static contact plug-in.
Wherein, described bilateral sleeve pipe one end is provided with entry/exit thread casing, and described entry/exit thread casing end cable is provided with bolt hole, and described entry/exit line is fixed on described bilateral sleeve pipe one end by described bolt hole.
Wherein, annular first boss protruding described insulation crust surface is provided with on the insulation crust of end, described bilateral sleeve pipe one end, described first boss side has annular groove, and described bilateral sleeve pipe one end is connected entry/exit thread casing boots by described first boss with groove.
Wherein, the inner core conductive pole of the described bilateral sleeve pipe other end offers contact apertures, and described contact apertures is connected with described ring main unit load switch or isolating switch.
Wherein, the described bilateral sleeve pipe other end is also provided with the second boss protruding described insulation crust, described second boss is provided with electrification display terminals, and described electrification display terminals are electrically connected with the gauze screen being arranged on the described relative both sides of inner core conductive pole.
Wherein, described earthing chamber outer face is provided with seal cover, the outer face of described seal cover offers groove, described groove center offers through hole, and described ground connection conductive pole is through described through hole.
Wherein, the outer face of described seal cover is plane, inner face has centered by described through hole several with one heart and the annular of different radii is protruding, described annular projection is positioned at described groove.
Wherein, insulated enclosure circle is provided with between described seal cover and described earthing chamber inwall.
Wherein, described bilateral sleeve pipe is L shape, comprises orthogonal perpendicular long portion and the short portion of horizontal stroke, and described ground connection control module is parallel to described perpendicular long portion and is arranged in the short portion of described horizontal stroke.
(3) beneficial effect
The Integrally-cast solid insulation earthing device that technique scheme provides, inherit and utilize natural air as dielectric, in conjunction with the technology that the solid insulation of existing maturation is poured into a mould, well the earthed switch realized by ground connection control module and the sleeve pipe being connected inlet wire or outlet are organically combined into a cast module, thus solve discrete segmentation problem, simultaneously also by the solid dielectric insulation of high electric field being married again high electrical property solves alternate isolating problem; Can mass production, reduce costs.
Accompanying drawing explanation
Section of structure when Fig. 1 is the Integrally-cast solid insulation earthing device combined floodgate of the embodiment of the present invention;
Section of structure when Fig. 2 is the Integrally-cast solid insulation earthing device separating brake of the embodiment of the present invention;
Fig. 3 is the perspective view of the Integrally-cast solid insulation earthing device of the embodiment of the present invention;
Fig. 4 is the upward view of Integrally-cast solid insulation earthing device in Fig. 3;
Fig. 5 is the right view of Integrally-cast solid insulation earthing device in Fig. 3.
Wherein, 1: entry/exit thread casing; 2: groove; 3: conductive pole; 4: electrification display terminals; 5: seal cover; 5a: screwed hole; 5b: through hole; 5c: the first fixing hole; 6: grounding static contact; 7: earthing chamber; 8: 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 drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Section of structure when Fig. 1 is the present embodiment Integrally-cast solid insulation earthing device combined floodgate; Section of structure when Fig. 2 is the present embodiment earthing device separating brake; Fig. 3 is the perspective view of the present embodiment earthing device; Fig. 4 is the upward view of earthing device in Fig. 3; Fig. 5 is the right view of earthing device in Fig. 3.
The ground connection control module (not indicating in figure) that the present embodiment Integrally-cast solid insulation earthing device comprises bilateral sleeve pipe (not indicating in figure) and is connected with its one, described bilateral sleeve pipe comprises inner core conductive pole 3 and pouring ladle and is rolled in described inner core conductive pole 3 weeks insulation crust to the periphery, described bilateral sleeve pipe one end connects entry/exit line, and the other end connects ring main unit load switch or isolating switch; Described ground connection control module comprises and to be connected with described inner core conductive pole 3 and through the grounding static contact 6 of described insulation crust, described grounding static contact 6 outer setting has pours into a mould with described insulation crust one the earthing chamber 7 formed, earthing chamber 7 outer face relative with described grounding static contact 6 is provided through the ground connection conductive pole 8 of this end face, described ground connection conductive pole 8 can move axially and be connected with described grounding static contact 6 plug-in.
The present embodiment Integrally-cast solid insulation earthing device is when embody rule, and one end connects inlet wire or outlet, and the other end connects ring main unit load switch or isolating switch, meets the electrical equipment requirement that electric current is entered by quiet end; The ground connection conductive pole 8 of ground connection control module connects ground connection handle, by moving axially of ground connection lever operated control ground connection conductive pole 8, be grounded being contacting and separating of conductive pole 8 and grounding static contact 6, thus realize the state of the ungrounded of whole galvanic circle and ground connection.
Wherein, described bilateral sleeve pipe one end is provided with entry/exit thread casing 1, and described entry/exit thread casing 1 end cable is provided with bolt hole 9, and described inlet wire or outlet are fixed on described bilateral sleeve pipe one end by described bolt hole 9.Particularly, when connecting inlet wire or outlet, with connecting screw rod, inlet wire or outlet cable casing shoe are fixed on bolt hole 9, then use fastening nuts screw rod from cable joint-box shoe inside, cable outlet end and entry/exit thread casing 1 can be fixed.Further, annular first boss protruding described insulation crust surface is also provided with on the insulation crust of end, described bilateral sleeve pipe one end, described first boss side has annular groove 2, described bilateral sleeve pipe one end is connected entry/exit thread casing boots by described first boss with groove 2, it is for realizing the support of the casing shoe of inlet wire or outlet connection and fixing, the intensity that raising inlet wire or outlet are fixed.
The inner core conductive pole 3 of the described bilateral sleeve pipe other end offers contact apertures 11, and described contact apertures 11 is connected with described ring main unit load switch or isolating switch.Further, the described bilateral sleeve pipe other end is also provided with the second boss 10 protruding described insulation crust, described second boss 10 is provided with electrification display terminals 4, described electrification display terminals 4 are electrically connected with the gauze screen 13 being arranged on the described relative both sides of inner core conductive pole 3, electrification display terminals 4 are for connecing electrification display, whether chargedly detect to observe circuit by the voltage difference between inner core conductive pole 3 and gauze screen 13, acting as of gauze screen 13: also for electrification display induction high voltage is used while optimizing electric field.Second boss 10 is set to square, and its surrounding has the second fixing hole 12, to fix whole earthing device by the second fixing hole 12.
Grounding static contact 6 and inner core conductive pole 3 are welded formula, the earthing chamber 7 of grounding static contact 6 outer setting is to meet the present embodiment earthing device using air as the characteristic of dielectric, described earthing chamber 7 outer face is provided with seal cover 5, the outer face of described seal cover 5 offers groove, described groove center offers through hole 5b, described ground connection conductive pole 8, through described through hole 5b, is seamless connectivity between described groove and described ground connection conductive pole 8, ensures the sealing of earthing chamber 7.
The outer face of described seal cover 5 is plane, inner face has centered by described through hole 5b several with one heart and the annular of different radii is protruding, described annular projection is positioned at described groove, there are in the present embodiment three annular projections, and the height of three annular projections is not exclusively equal, by the setting of annular projection, extend creepage distance, thus realize anti-tracking effect.Further, in order to effectively extend creepage distance, insulated enclosure circle 14 is provided with between described seal cover 5 and described earthing chamber 7 inwall, install interference about 1mm between rear seal cover 5 and described earthing chamber 7 inwall, prevent high voltage from spilling from the gap between described seal cover 5 and described earthing chamber 7 inwall.
In above-mentioned ground connection control module, ground connection conductive pole 8 is fixed with groove intermediate throughholes 5b through the direct acting pilot seal groove of seal cover 5, thus reaches fixing, guiding, to seal and the effect of anti-tracking.Outer face is provided with screwed hole 5a to earthing chamber 7, for fixing between seal cover 5 and earthing chamber 7; Seal cover 5 is provided with the first fixing hole 5c, for the fixed installation of ground connection control module.
The specific works process of the present embodiment insulation earthing device is: when ground connection lever operated to open position time, ground connection conductive pole 8 does synchronously linearly operating, be separated rapidly with grounding static contact 6, when the lever operated action of ground connection completes, ground connection conductive pole 8 also can be synchronous the position be still in as shown in Figure 2, whole loop is in ungrounded state; When ground connection is operated closing position by ground connection handle, ground connection conductive pole 8 communicates with grounding static contact 6, as shown in Figure 1.Whole loop is made to be in the safe condition of ground connection by conductive pole 3.
Install to meet coordinating between the present embodiment insulation earthing device with other devices, preferred described bilateral sleeve pipe is set to L shape, comprise orthogonal perpendicular long portion and the short portion of horizontal stroke, described ground connection control module is parallel to described perpendicular long portion and is arranged in the short portion of described horizontal stroke, to realize generally being suitable for of the present embodiment insulation earthing device.
As can be seen from the above embodiments, the present invention inherits and utilizes natural air as dielectric, in conjunction with the technology that the solid insulation of existing maturation is poured into a mould, well the earthed switch realized by ground connection control module and the sleeve pipe being connected inlet wire or outlet are organically combined into a cast module, thus solve discrete segmentation problem, simultaneously also by the solid dielectric insulation of high electric field being married again high electrical property solves alternate isolating problem.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and replacement, these improve and replace and also should be considered as protection scope of the present invention.
Claims (8)
1. Integrally-cast solid insulation earthing device, it is characterized in that, comprise: bilateral sleeve pipe and coupled ground connection control module, described bilateral sleeve pipe comprises inner core conductive pole (3) and pouring ladle is rolled in described inner core conductive pole (3) week insulation crust to the periphery, described bilateral sleeve pipe one end connects entry/exit line, and the other end connects ring main unit load switch or isolating switch; Described ground connection control module comprises and to be connected with described inner core conductive pole (3) and through the grounding static contact (6) of described insulation crust, described grounding static contact (6) outer setting has pours into a mould with described insulation crust one the earthing chamber (7) formed, earthing chamber (7) outer face relative with described grounding static contact (6) is provided through the ground connection conductive pole (8) of this end face, described ground connection conductive pole (8) can move axially and be connected with described grounding static contact (6) plug-in;
The described bilateral sleeve pipe other end is also provided with the second boss (10) protruding described insulation crust, described second boss (10) is provided with electrification display terminals (4), and described electrification display terminals (4) are electrically connected with the gauze screen (13) being arranged on the relative both sides of described inner core conductive pole (3).
2. Integrally-cast solid insulation earthing device as claimed in claim 1, it is characterized in that, described bilateral sleeve pipe one end is provided with entry/exit thread casing (1), described entry/exit thread casing (1) end cable is provided with bolt hole (9), and described entry/exit line is fixed on described bilateral sleeve pipe one end by described bolt hole (9).
3. Integrally-cast solid insulation earthing device as claimed in claim 2, it is characterized in that, annular first boss protruding described insulation crust surface is provided with on the insulation crust of end, described bilateral sleeve pipe one end, described first boss side has annular groove (2), and described bilateral sleeve pipe one end is connected entry/exit thread casing by described first boss with groove (2).
4. Integrally-cast solid insulation earthing device as claimed in claim 1, it is characterized in that, the inner core conductive pole (3) of the described bilateral sleeve pipe other end offers contact apertures (11), and described contact apertures (11) is connected with described ring main unit load switch or isolating switch.
5. Integrally-cast solid insulation earthing device as claimed in claim 1, it is characterized in that, described earthing chamber (7) outer face is provided with seal cover (5), the outer face of described seal cover (5) offers groove, described groove center offers through hole (5b), and described ground connection conductive pole (8) is through described through hole (5b).
6. Integrally-cast solid insulation earthing device as claimed in claim 5, it is characterized in that, the outer face of described seal cover (5) is plane, inner face has centered by described through hole (5b) several with one heart and the annular of different radii is protruding, described annular projection is positioned at described groove.
7. Integrally-cast solid insulation earthing device as claimed in claim 6, is characterized in that, be provided with insulated enclosure circle (14) between described seal cover (5) and described earthing chamber (7) inwall.
8. Integrally-cast solid insulation earthing device as claimed in claim 1, it is characterized in that, described bilateral sleeve pipe is L shape, comprises orthogonal perpendicular long portion and the short portion of horizontal stroke, and described ground connection control module is parallel to described perpendicular long portion and is arranged in the short portion of described horizontal stroke.
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 CN102832563A (en) | 2012-12-19 |
| CN102832563B true 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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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117189B (en) * | 2012-12-24 | 2016-11-02 | 宁波优维电力科技有限公司 | A kind of pole and solid insulation ring main unit |
| 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 |
| CN110783848B (en) * | 2019-11-14 | 2021-12-07 | 许继集团有限公司 | Insulating sleeve assembly and switch equipment using same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11164429A (en) * | 1997-12-01 | 1999-06-18 | Toshiba Corp | Disconnector with grounding device |
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2012
- 2012-08-31 CN CN201210320813.XA patent/CN102832563B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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| CN102832563A (en) | 2012-12-19 |
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