CN205159194U - Solid utmost point post that seals of PT cabinet - Google Patents
Solid utmost point post that seals of PT cabinet Download PDFInfo
- Publication number
- CN205159194U CN205159194U CN201520817404.XU CN201520817404U CN205159194U CN 205159194 U CN205159194 U CN 205159194U CN 201520817404 U CN201520817404 U CN 201520817404U CN 205159194 U CN205159194 U CN 205159194U
- 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.)
- Expired - Fee Related
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a solid utmost point post that seals of PT cabinet, including three independent A, B, C three -phase utmost point post body, the solid front cover vacuum interrupter of utmost point post body, solid the sealing in vacuum interrupter one side has copper busbar no. 1, copper busbar one side is equipped with the horn type cavity, copper busbar no. 1 and vacuum interrupter electric connection, this product assurance good arc extinguishing performance, external shock is avoided to the electrically conductive part of protection, can also reduce the influence to the environment, carry high insulating can with the reliability of switch, improvement user's electrical safety.
Description
Technical field
The utility model relates to power switch field, particularly relates 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 utility model provides a kind of while guarantee arc extinction performance, also improves the insulation property of product, product reliability and user power utilization safety, reduces the pole of the PT cabinet of the pollution to environment simultaneously.
To achieve these goals, the technical solution adopted in the utility model 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.
The beneficial effects of the utility model:
The pole of a kind of PT cabinet of the utility model, the utility model have employed vacuum interrupter as isolating switch, ensure that good arc extinction performance, and protection conductive pieces is from external force collision, the impact on environment can also be reduced, improve 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 described in the utility model.
Fig. 2 is the cutaway view of pole B phase described in the utility model.
Fig. 3 is the cutaway view of pole C phase described in the utility model.
Fig. 4 be pole A phase described in the utility model assemble insulated tension pole, be flexible coupling after structural representation.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment of the present utility model, the utility model is described further:
Referring to figs. 1 through Fig. 4, 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 utility model is illustrated, but the utility model is created and 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 the utility model spirit, 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 |
|---|---|---|---|
| CN201520817404.XU CN205159194U (en) | 2015-10-20 | 2015-10-20 | Solid utmost point post that seals of PT cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520817404.XU CN205159194U (en) | 2015-10-20 | 2015-10-20 | Solid utmost point post that seals of PT cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205159194U true CN205159194U (en) | 2016-04-13 |
Family
ID=55694858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520817404.XU Expired - Fee Related CN205159194U (en) | 2015-10-20 | 2015-10-20 | Solid utmost point post that seals of PT cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205159194U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261517A (en) * | 2015-10-20 | 2016-01-20 | 珠海许继电气有限公司 | Seal pole for PT cabinet |
-
2015
- 2015-10-20 CN CN201520817404.XU patent/CN205159194U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261517A (en) * | 2015-10-20 | 2016-01-20 | 珠海许继电气有限公司 | Seal pole for PT cabinet |
| CN105261517B (en) * | 2015-10-20 | 2018-11-06 | 珠海许继电气有限公司 | A kind of pole of PT cabinets |
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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: 20160413 Termination date: 20201020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |