CN203134666U - Solid-sealed polar pole and solid insulation ring main unit - Google Patents
Solid-sealed polar pole and solid insulation ring main unit Download PDFInfo
- Publication number
- CN203134666U CN203134666U CN 201220728220 CN201220728220U CN203134666U CN 203134666 U CN203134666 U CN 203134666U CN 201220728220 CN201220728220 CN 201220728220 CN 201220728220 U CN201220728220 U CN 201220728220U CN 203134666 U CN203134666 U CN 203134666U
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- cavity
- vacuum interrupters
- station vacuum
- pole
- insulator
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Abstract
The utility model relates to the technical field of solid insulation ring main units and discloses a solid-sealed polar pole. The solid-sealed polar pole includes an insulation body, a two-position vacuum arc-extinguishing chamber, a three-position vacuum arc-extinguishing chamber, a first insulation pull rod and a second insulation pull rod. The insulation body has a first cavity, a second cavity and a third cavity, wherein the first cavity and the second cavity are arranged side by side, the third cavity is positioned above the first cavity and the second cavity; the two-position vacuum arc-extinguishing chamber and the three-position vacuum arc-extinguishing chamber are respectively embedded in the first cavity and the second cavity; the first insulation pull rod and the second insulation pull rod are respectively connected with a movable end of the two-position vacuum arc-extinguishing chamber and a movable end of the three-position vacuum arc-extinguishing chamber; the movable end of the two-position vacuum arc-extinguishing chamber is connected with the movable end of the three-position vacuum arc-extinguishing chamber through a connecting piece; the first insulation pull rod, the second insulation pull rod and the connecting piece are all arranged inside the third cavity; and an entering wire electric conduction rod of the two-position vacuum arc-extinguishing chamber, an outgoing wire electric conduction rod of the three-position vacuum arc-extinguishing chamber and a grounding end all extend out from the insulation body. The utility model further discloses a solid insulation ring main unit having the above solid-sealed polar pole.
Description
Technical field
The utility model relates to solid insulation ring main unit technical field, relates in particular to a kind of pole, and the utility model also relates to a kind of solid insulation ring main unit with above-mentioned pole.
Background technology
In high voltage switchgear, if the insulation crust of vacuum interrupter is exposed in the air, exist by extraneous dust, moist pollution problems easily.For reducing the influence of external environment, usually require the shell of vacuum interrupter that enough length is arranged, this not only influences the miniaturization of vacuum interrupter, also influence the Performance And Reliability of vacuum interrupter, therefore, the conductive pieces that vacuum interrupter is relevant with circuit breaker is embedded into simultaneously in the easy cured solid insulating material of this class of epoxy resin and forms pole, makes whole circuit breaker polar become as a whole parts, is called pole.
Pole can improve the reliability of circuit breaker; Because vacuum interrupter is embedded in the solid material, pole has very high dielectric strength; After vacuum interrupter was embedded in solid material, the external environment of pole was less to the influence of vacuum interrupter.Therefore, high voltage switchgear progressively develops to the solid insulation direction at present.
In the prior art, for the safety operation of maintenance of equipment need, the primary cut-out switch cubicle is provided with the isolating switch of grounding function, the primary cut-out switch cubicle adopts the solid insulation ring main unit usually, its general circuit breaker polar of solid inside front cover station vacuum interrupter that adopts connects the isolating switch composition, and the isolating switch port adopts air or SF6 gas-insulated, and this solid insulation ring main unit is not the insulation of total solids, will influence high voltage switchgear and develop to miniaturization.
Therefore, how to realize the insulation of solid insulation ring main unit total solids, become the technical barrier that those skilled in the art need to be resolved hurrily.
The utility model content
First purpose of the present utility model provides a kind of pole, to realize the insulation of solid insulation ring main unit total solids.Second purpose of the present utility model provides a kind of solid insulation ring main unit with above-mentioned pole.
In order to realize above-mentioned first purpose, the utility model provides a kind of pole, comprises insulator, two station vacuum interrupters, three station vacuum interrupters, also comprises first insulated tension pole, second insulated tension pole; Described insulator has first cavity, second cavity, the 3rd cavity, and described first cavity, second cavity are arranged side by side, and described the 3rd cavity is positioned at the top of described first cavity, second cavity; Described two station vacuum interrupters, described three station vacuum interrupters are embedded in respectively in described first cavity, second cavity; First insulated tension pole, second insulated tension pole are connected with the moved end of described two station vacuum interrupters, the moved end of described three station vacuum interrupters respectively, the moved end of the moved end of described two station vacuum interrupters, described three station vacuum interrupters connects by connector, and described first insulated tension pole, second insulated tension pole, described connector all are positioned at described the 3rd cavity; Outlet conducting rod and the earth terminal of the inlet wire conducting rod of described two station vacuum interrupters, described three station vacuum interrupters all extend described insulator.
Preferably, described insulator is epoxy resin block.
Preferably, the outer surface of described insulator is provided with conductor layer or semiconductor layer.
Preferably, described earth terminal comprises earth terminal and ground stud, and described earth terminal is connected with the moved end of described three station vacuum interrupters, and described ground stud is connected with described earthing device, and described ground stud extends described insulator.
Preferably, at least one in described outlet conducting rod, inlet wire conducting rod, described earth terminal, the described ground stud and described insulator envelope place admittedly are provided with gauze screen, and the wiring pile end face of described gauze screen extends described insulator.
Preferably, described connector is flexible link.
Preferably, described three station vacuum interrupters are isolating switch, and described two station vacuum interrupters are circuit breaker.
The pole that the utility model provides comprises insulator, two station vacuum interrupters, three station vacuum interrupters, first insulated tension pole, second insulated tension pole; Described insulator has first cavity, second cavity, the 3rd cavity, and described first cavity, second cavity are arranged side by side, and described the 3rd cavity is positioned at the top of described first cavity, second cavity; Described two station vacuum interrupters, described three station vacuum interrupters are embedded in respectively in described first cavity, second cavity; First insulated tension pole, second insulated tension pole are connected with the moved end of described two station vacuum interrupters, the moved end of described three station vacuum interrupters respectively, the moved end of the moved end of described two station vacuum interrupters, described three station vacuum interrupters connects by connector, and described first insulated tension pole, second insulated tension pole, described connector all are positioned at described the 3rd cavity; Outlet conducting rod and the earth terminal of the inlet wire conducting rod of described two station vacuum interrupters, described three station vacuum interrupters all extend described insulator.
This pole is provided with the 3rd cavity above first cavity that is used for holding respectively two station vacuum interrupters, three station vacuum interrupters, second cavity, the moved end of two station vacuum interrupters, three station vacuum interrupters is all stretched in described the 3rd cavity, first insulated tension pole, second insulated tension pole and connector are positioned at described the 3rd cavity, and two station vacuum interrupters, three station vacuum interrupters, inlet wire conducting rod, outlet conducting rod, earth terminal are enclosed in together admittedly; And realize electric insulation with operating mechanism by first insulated tension pole, second insulated tension pole, thus realize the solid insulation of pole, and then can realize the insulation of solid insulation ring main unit total solids, can promote that high voltage switchgear develops to miniaturization.
In order to realize above-mentioned second purpose, the utility model also provides a kind of solid insulation ring main unit, this solid insulation ring main unit comprises the pole that at least one is above-mentioned, because above-mentioned pole has above-mentioned technique effect, the solid insulation ring main unit with this pole also should possess corresponding technique effect.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of pole provided by the utility model;
Wherein, among Fig. 1:
Embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please referring to Fig. 1, Fig. 1 is the structural representation of a kind of embodiment of pole provided by the utility model.
As shown in Figure 1, the pole that provides of the utility model comprises insulator 1, two station vacuum interrupters 2, three station vacuum interrupters 3, first insulated tension pole 4, second insulated tension pole 5; Described insulator 1 has the first cavity 1-1, the second cavity 1-2, the 3rd cavity 1-3, and the described first cavity 1-1, the second cavity 1-2 are arranged side by side, and described the 3rd cavity 1-3 is positioned at the top of the described first cavity 1-1, the second cavity 1-2; Described two station vacuum interrupters 2, described three station vacuum interrupters 3 are embedded in respectively in the described first cavity 1-1, the second cavity 1-2; The moved end of the moved end of described two station vacuum interrupters 2, described three station vacuum interrupters 3 is all stretched in described the 3rd cavity 1-3.
First insulated tension pole 4, second insulated tension pole 5 are connected with the moved end of described two station vacuum interrupters 2, the moved end of described three station vacuum interrupters 3 respectively, the moved end of the moved end of described two station vacuum interrupters 2, described three station vacuum interrupters 3 connects by connector, and described first insulated tension pole 4, second insulated tension pole 5, described connector all are positioned at described the 3rd cavity 1-3; Inlet wire conducting rod 7 is connected with the quiet end of two station vacuum interrupters 2, outlet conducting rod 8 is connected with the quiet end of three station vacuum interrupters 3, earth terminal is located at the side of three station vacuum interrupters 3, earth terminal is used for the moved end ground connection with three station vacuum interrupters 3, and outlet conducting rod 8 and the earth terminal of the inlet wire conducting rod 7 of described two station vacuum interrupters 2, described three station vacuum interrupters 3 all extend described insulator 1.
This pole is provided with the 3rd cavity 1-3 above for the first cavity 1-1, the second cavity 1-2 that hold two station vacuum interrupters 2, three station vacuum interrupters 3 respectively, the moved end of two station vacuum interrupters 2, three station vacuum interrupters 3 is all stretched in described the 3rd cavity 1-3, first insulated tension pole 4, second insulated tension pole 5 and connector are positioned at described the 3rd cavity 1-3, and two station vacuum interrupters 2, three station vacuum interrupters 3, inlet wire conducting rod 7, outlet conducting rod 8, earth terminal are enclosed in together admittedly; And realize electric insulation with operating mechanism by first insulated tension pole 4, second insulated tension pole 5, thus realize the solid insulation of pole, and then can realize the insulation of solid insulation ring main unit total solids, can promote that high voltage switchgear develops to miniaturization.
In the preferred version, described insulator 1 can be epoxy resin block, epoxy resin has the good insulation performance performance, after fixed installations such as two above-mentioned station vacuum interrupters 2, three station vacuum interrupters 3, inlet wire conducting rod 7, outlet conducting rod 8, earth terminal, first insulated tension pole 4, second insulated tension pole 5 can being finished, form described insulator 1 by the mode of pouring into a mould.
In the preferred version, can be provided with conductor layer or semiconductor layer at the outer surface of described insulator 1, be used for safety ground.
In the concrete scheme, be positioned at and be convenient to described earth terminal ground connection, described earth terminal comprises earth terminal 9 and ground stud 10, described earth terminal 9 is connected with the moved end of described three station vacuum interrupters 3, described ground stud 10 is connected with described earthing device, and described ground stud 10 extends described insulator 1.
In the preferred scheme, in described outlet conducting rod 8, inlet wire conducting rod 7, described earth terminal, the described ground stud 10 at least one and described insulator 1 solid envelope place are provided with gauze screen 11, the wiring pile end face of described gauze screen 11 extends described insulator 1, and the wiring pile end face of gauze screen 11 is used for connecting the charged display unit of solid insulation ring main unit.
In the preferred scheme, described connector is flexible link 6, and flexible link 6 can adopt thin copper wire to be woven into banding pattern or be twisted into the structure of multiply circle, moves continuously to realize big electric current.
In the concrete scheme, described three station vacuum interrupters 3 are isolating switch, and described two station vacuum interrupters 2 are circuit breaker.Externally under the effect of operating mechanism, the moved end of three station vacuum interrupters 3 can move up and down, can be in closing position, separating brake position and earthing position, when moved end and quiet end in contact, be in "on" position, when separate with quiet end the moved end, be in gate-dividing state, when the moved end contacts with ground connection, be in ground state.
The above only is the description of the preferred implementation of utility model; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (8)
1. a pole comprises insulator, two station vacuum interrupters, three station vacuum interrupters, it is characterized in that, also comprises first insulated tension pole, second insulated tension pole; Described insulator has first cavity, second cavity, the 3rd cavity, and described first cavity, second cavity are arranged side by side, and described the 3rd cavity is positioned at the top of described first cavity, second cavity; Described two station vacuum interrupters, described three station vacuum interrupters are embedded in respectively in described first cavity, second cavity; First insulated tension pole, second insulated tension pole are connected with the moved end of described two station vacuum interrupters, the moved end of described three station vacuum interrupters respectively, the moved end of the moved end of described two station vacuum interrupters, described three station vacuum interrupters connects by connector, and described first insulated tension pole, second insulated tension pole, described connector all are positioned at described the 3rd cavity; Outlet conducting rod and the earth terminal of the inlet wire conducting rod of described two station vacuum interrupters, described three station vacuum interrupters all extend described insulator.
2. pole according to claim 1 is characterized in that, described insulator is epoxy resin block.
3. pole according to claim 1 is characterized in that, the outer surface of described insulator is provided with conductor layer or semiconductor layer.
4. pole according to claim 1, it is characterized in that described earth terminal comprises earth terminal and ground stud, described earth terminal is connected with the moved end of described three station vacuum interrupters, described ground stud is connected with described earthing device, and described ground stud extends described insulator.
5. pole according to claim 4, it is characterized in that, in described outlet conducting rod, inlet wire conducting rod, described earth terminal, the described ground stud at least one and described insulator envelope place admittedly are provided with gauze screen, and the wiring pile end face of described gauze screen extends described insulator.
6. pole according to claim 1 is characterized in that, described connector is flexible link.
7. pole according to claim 1 is characterized in that, described three station vacuum interrupters are isolating switch, and described two station vacuum interrupters are circuit breaker.
8. a solid insulation ring main unit is characterized in that, comprises each described pole of at least one claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728220 CN203134666U (en) | 2012-12-24 | 2012-12-24 | Solid-sealed polar pole and solid insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220728220 CN203134666U (en) | 2012-12-24 | 2012-12-24 | Solid-sealed polar pole and solid insulation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203134666U true CN203134666U (en) | 2013-08-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220728220 Expired - Fee Related CN203134666U (en) | 2012-12-24 | 2012-12-24 | Solid-sealed polar pole and solid insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203134666U (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 |
| CN104319167A (en) * | 2014-11-11 | 2015-01-28 | 厦门理工学院 | Dual-vacuum arc-extinguishing chamber fixed and encapsulated with epoxy resin |
| CN105185644A (en) * | 2015-10-12 | 2015-12-23 | 无锡市凯立电器有限公司 | Insulated cylinder for load switch |
-
2012
- 2012-12-24 CN CN 201220728220 patent/CN203134666U/en not_active Expired - Fee Related
Cited By (5)
| 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 |
| 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 |
| CN104319167A (en) * | 2014-11-11 | 2015-01-28 | 厦门理工学院 | Dual-vacuum arc-extinguishing chamber fixed and encapsulated with epoxy resin |
| CN104319167B (en) * | 2014-11-11 | 2016-08-17 | 厦门理工学院 | The double vacuum interrupter of epoxy resin sealing |
| CN105185644A (en) * | 2015-10-12 | 2015-12-23 | 无锡市凯立电器有限公司 | Insulated cylinder for load switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20141224 |
|
| EXPY | Termination of patent right or utility model |