CN105261517A - Seal pole for PT cabinet - Google Patents
Seal pole for PT cabinet Download PDFInfo
- Publication number
- CN105261517A CN105261517A CN201510690598.6A CN201510690598A CN105261517A CN 105261517 A CN105261517 A CN 105261517A CN 201510690598 A CN201510690598 A CN 201510690598A CN 105261517 A CN105261517 A CN 105261517A
- Authority
- CN
- China
- Prior art keywords
- pole
- vacuum interrupter
- copper busbar
- cabinet
- cabinet according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The invention discloses a seal pole for a PT cabinet. The seal pole comprises three separate three-phase pole bodies of A, B and C. The pole bodies seal a vacuum interrupter. One side of the vacuum interrupter is sealed with a first copper busbar. One side of the first copper busbar is provided with a horn-shaped cavity. The first copper busbar is connected electrically with the vacuum interrupter. The product ensures excellent arc extinguishing performance, protects conductive parts from external impacts, can also reduce the influence on the environment, improves the insulation performance and the reliability of a switch, and improves the electrical safety of users.
Description
Technical field
The present invention relates to power switch field, particularly relate to a kind of pole of PT cabinet.
Background technology
Pole is that vacuum interrupter and relevant conductive pieces epoxy resin are solidified into an integrated form pole by APG technique.Pole insulation property are good and reliability is high and widely use, but when pole normally works at present, surface charging cannot be avoided, surface is not tangible, thus add the danger of electric shock, and the isolating switch of current PT cabinet adopts SF6 gas medium mostly, the impact of SF6 unimolecule on greenhouse effect is 2.2 ten thousand times of CO2 molecule, has very ill effect to environment.
Summary of the invention
In order to overcome the deficiency of above-mentioned existing equipment, the invention provides a kind of while guarantee arc extinction performance, also improving the insulation property of product, product reliability and user power utilization safety, reduce the pole of the PT cabinet of the pollution to environment simultaneously.
To achieve these goals, the technical solution used in the present invention is:
A kind of pole of PT cabinet, it is characterized in that: comprise three independently A, B, C three-phase pole bodies, described pole body sealing one vacuum interrupter, described vacuum interrupter side is sealed with copper busbar one, described copper busbar one side is provided with trumpet type cavity, and described copper busbar one is electrically connected with vacuum interrupter.
Wherein, the vacuum interrupter of described any phase is all vertically placed, and described vacuum interrupter upper end is connected with insulated tension pole, and its lower end is connected with copper busbar two by screw rod, and described copper busbar two is provided with spells cabinet bus link and inlet wire bus link.
Wherein, described vacuum interrupter and copper busbar one realize being connected by being flexible coupling.
As the further improvement of above-mentioned technology, the pole body circumference place of described inlet wire bus end is provided with sensor sensing net two.
As the further improvement of above-mentioned technology, the pole body circumference place of described copper busbar one lower end is provided with sensor sensing net one.
As the further improvement of above-mentioned technology, described pole body appearance is coated with metal level, and described metal coating passes through wired earth.
As the further improvement of above-mentioned technology, described metal level is zinc film metal level.
As the further improvement of above-mentioned technology, the upper end of described vacuum interrupter and the upper end of copper busbar one are provided with gauze screen, and the lower end of vacuum interrupter is provided with lower gauze screen.
Beneficial effect of the present invention:
The pole of a kind of PT cabinet of the present invention, present invention employs vacuum interrupter as isolating switch, ensure that good arc extinction performance, and protection conductive pieces, from external force collision, can also reduce the impact on environment, improves the reliability of insulation property and switch; Copper busbar one side is provided with trumpet type cavity, effectively can wrap up the gap between copper busbar one and PT end of incoming cables, makes it form equipotential space, improves insulation property; Adopt upper and lower metallic shield net to shield the electric field around the two ends of its vacuum interrupter and copper busbar two upper end, improve the insulation property of pole; The outer surface of pole has metal level, and during use, metal level ground connection makes its outer surface not charged, improves the Electrical Safety of user.
Accompanying drawing explanation
Fig. 1 is the cutaway view of pole A phase of the present invention.
Fig. 2 is the cutaway view of pole B phase of the present invention.
Fig. 3 is the cutaway view of pole C phase of the present invention.
Fig. 4 be pole A phase of the present invention assemble insulated tension pole, be flexible coupling after structural representation.
Embodiment
Below in conjunction with accompanying drawing and the preferred embodiments of the present invention, the present invention will be further described:
Referring to figs. 1 through figure tetra-, a kind of pole of PT cabinet, comprise three independently A, B, C three-phase pole bodies, described pole body sealing one vacuum interrupter 1, described vacuum interrupter 1 side is sealed with copper busbar 1, and described copper busbar 1 side is provided with trumpet type cavity, described copper busbar 1 is electrically connected with vacuum interrupter 1, described trumpet type cavity is for wrapping up the gap between PT end of incoming cables and copper busbar 1, and the voltage spaces such as formation, improve insulation property.This cavity and pole peripheral material form a darker trumpet type cavity, for connecting PT end of incoming cables.Described vacuum interrupter 1 is with copper busbar 1 individual packages in two cylinders, and centre has cavity to separate, and around respective in casting process, epoxy shrinks and do not influence each other, and improves pouring technology, ensures the insulation property of this pole.
The vacuum interrupter 1 of described any phase is all vertically placed, described vacuum interrupter 1 upper end is connected with insulated tension pole 15, its lower end is connected with copper busbar 23 by screw rod 4, described copper busbar 23 is provided with spells cabinet bus link 7 and inlet wire bus link 6, and described vacuum interrupter 1 is connected by 14 realizations that are flexible coupling with copper busbar 1.Vacuum interrupter 1 upper end is connected with insulated tension pole 15, when PT cabinet is energized to copper busbar 23 by cable, when insulated tension pole 15 does not upwards pull vacuum interrupter 1 moved end, the conducting of vacuum interrupter 1 inside contact, copper busbar 1 is charged, the coupled normal work of PT energising; On the contrary, when insulated tension pole 15 upwards pulls open vacuum interrupter 1 moved end, vacuum interrupter 1 inside contact disconnects, and copper busbar 1 power-off, PT power-off quits work.
The pole body circumference place of described inlet wire bus end 6 is provided with sensor sensing net 2 10, and the pole body circumference place of described copper busbar 1 lower end is provided with sensor sensing net 1.Sensor sensing net 2 10 can induce voltage when bus 3 is charged, makes the charged display device indicator light external with sensor sensing net 2 10 glittering, is used to indicate pole charged.Sensor sensing net 1 can induce voltage when copper busbar 1 is charged, makes the charged display device indicator light external with sensor sensing net 1 glittering, is used to indicate PT charged.
Pole outer surface heat spraying zinc film metal level, described metal coating, by wired earth, makes pole outer surface not charged, improves the Electrical Safety of user.
The upper end of described vacuum interrupter 1 and the upper end of copper busbar 1 are provided with gauze screen 12, and the lower end of vacuum interrupter 1 is provided with lower gauze screen 13, and upper and lower gauze screen, for shielding the non-uniform electric field of vacuum interrupter, improves the insulation property of pole.
More than that preferred embodiment of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (8)
1. the pole of a PT cabinet, it is characterized in that: comprise three independently A, B, C three-phase pole bodies, described pole body sealing one vacuum interrupter (1), described vacuum interrupter (1) side is sealed with copper busbar one (2), described copper busbar one (2) side is provided with trumpet type cavity, and described copper busbar one (2) is electrically connected with vacuum interrupter (1).
2. the pole of a kind of PT cabinet according to claim 1, it is characterized in that: the vacuum interrupter (1) of described any phase is all vertically placed, described vacuum interrupter (1) upper end is connected with insulated tension pole (15), its lower end is connected with copper busbar two (3) by screw rod (4), and described copper busbar two (3) is provided with spells cabinet bus link (7) and inlet wire bus link (6).
3. the pole of a kind of PT cabinet according to claim 1, is characterized in that: described vacuum interrupter (1) realizes being connected by be flexible coupling (14) with copper busbar one (2).
4. the pole of a kind of PT cabinet according to claim 2, is characterized in that: the pole body circumference place of described inlet wire bus end (6) is provided with sensor sensing net two (10).
5. the pole of a kind of PT cabinet according to claim 1, is characterized in that: the pole body circumference place of described copper busbar one (2) lower end is provided with sensor sensing net one (11).
6. the pole of a kind of PT cabinet according to claim 1, is characterized in that: described pole body appearance is coated with metal level, and described metal coating passes through wired earth.
7. the pole of a kind of PT cabinet according to claim 6, is characterized in that: described metal level is zinc film metal level.
8. the pole of a kind of PT cabinet according to claim 1, it is characterized in that: the upper end of described vacuum interrupter (1) and the upper end of copper busbar one (2) are provided with gauze screen (12), and the lower end of vacuum interrupter (1) is provided with lower gauze screen (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510690598.6A CN105261517B (en) | 2015-10-20 | 2015-10-20 | A kind of pole of PT cabinets |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510690598.6A CN105261517B (en) | 2015-10-20 | 2015-10-20 | A kind of pole of PT cabinets |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105261517A true CN105261517A (en) | 2016-01-20 |
| CN105261517B CN105261517B (en) | 2018-11-06 |
Family
ID=55101157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510690598.6A Active CN105261517B (en) | 2015-10-20 | 2015-10-20 | A kind of pole of PT cabinets |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105261517B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768184A (en) * | 2017-10-17 | 2018-03-06 | 珠海许继电气有限公司 | A kind of pole type outlet terminal |
| CN108091519A (en) * | 2018-01-25 | 2018-05-29 | 珠海康晋电气股份有限公司 | A kind of tangibly pole device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101409175A (en) * | 2008-01-14 | 2009-04-15 | 北京维益埃电气有限公司 | Combined high-voltage load switch and high-voltage switchgear thereof |
| CN201820692U (en) * | 2010-07-21 | 2011-05-04 | 广西银河迪康电气有限公司 | Solid insulation high voltage circuit breaker post |
| EP2682973A1 (en) * | 2012-07-02 | 2014-01-08 | ABB Technology AG | Circuit-breaker pole part with a heat transfer shield |
| CN101930870B (en) * | 2010-08-17 | 2014-04-02 | 宏秀电气有限公司 | Three-phase three-station cable-isolating connector fully-shielded vacuum breaker |
| CN103839729A (en) * | 2014-03-28 | 2014-06-04 | 杨明 | Double-insulation arc-extinguishing post terminal of circuit breaker |
| CN104124099A (en) * | 2014-07-01 | 2014-10-29 | 珠海许继电气有限公司 | Solid-sealed polar pole of vacuum breaker |
| CN205159194U (en) * | 2015-10-20 | 2016-04-13 | 珠海许继电气有限公司 | Solid utmost point post that seals of PT cabinet |
-
2015
- 2015-10-20 CN CN201510690598.6A patent/CN105261517B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101409175A (en) * | 2008-01-14 | 2009-04-15 | 北京维益埃电气有限公司 | Combined high-voltage load switch and high-voltage switchgear thereof |
| CN201820692U (en) * | 2010-07-21 | 2011-05-04 | 广西银河迪康电气有限公司 | Solid insulation high voltage circuit breaker post |
| CN101930870B (en) * | 2010-08-17 | 2014-04-02 | 宏秀电气有限公司 | Three-phase three-station cable-isolating connector fully-shielded vacuum breaker |
| EP2682973A1 (en) * | 2012-07-02 | 2014-01-08 | ABB Technology AG | Circuit-breaker pole part with a heat transfer shield |
| CN103839729A (en) * | 2014-03-28 | 2014-06-04 | 杨明 | Double-insulation arc-extinguishing post terminal of circuit breaker |
| CN104124099A (en) * | 2014-07-01 | 2014-10-29 | 珠海许继电气有限公司 | Solid-sealed polar pole of vacuum breaker |
| CN205159194U (en) * | 2015-10-20 | 2016-04-13 | 珠海许继电气有限公司 | Solid utmost point post that seals of PT cabinet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768184A (en) * | 2017-10-17 | 2018-03-06 | 珠海许继电气有限公司 | A kind of pole type outlet terminal |
| CN108091519A (en) * | 2018-01-25 | 2018-05-29 | 珠海康晋电气股份有限公司 | A kind of tangibly pole device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105261517B (en) | 2018-11-06 |
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