CN203192672U - Direct-acting three-position isolating switch - Google Patents
Direct-acting three-position isolating switch Download PDFInfo
- Publication number
- CN203192672U CN203192672U CN 201320200035 CN201320200035U CN203192672U CN 203192672 U CN203192672 U CN 203192672U CN 201320200035 CN201320200035 CN 201320200035 CN 201320200035 U CN201320200035 U CN 201320200035U CN 203192672 U CN203192672 U CN 203192672U
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- moving contact
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- supporting plate
- moving
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- 230000003068 static effect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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Abstract
The utility model discloses a switch in high-voltage power distribution equipment, and particularly relates to an indoor AC high-voltage three-position isolating switch. The isolating switch comprises an insulating bracket, wherein the insulating bracket is provided with an upper supporting plate, a middle supporting plate and a lower supporting plate, the upper supporting plate is provided with three phase upper terminals side by side, the middle supporting plate is provided with three phase lower terminals side by side, and the lower supporting plate is provided with three phase grounding terminals side by side; the upper terminal, the lower terminal and the grounding terminal of each phase are coaxially arranged; a bar-shaped moving contact penetrates through the three terminal of the same phase and is selectively contacted with two of the three terminals; and the rear end of the moving contact is provided with an insulating pull rod capable of pulling the moving contact to move in the axial direction. A traditional moving contact moving in a rotating mode is changed into the moving contact moving in a direct-acting mode after adopting the structure disclosed by the utility model, and the moving contact is of a bar-shaped structure, thereby enabling the moving and static contacts to be stable in conductive contact performance. In addition, the direct-acting three-position isolating switch is compact in structure and small in overall occupied space, thereby being conducive to the miniaturization requirements of power transmission and distribution equipment.
Description
Technical field
The utility model relates to the switch in a kind of high-tension distribution equipment, and specifically a kind of indoor ac high-voltage directly moves tri-station isolating switch.
Background technology
Ac high-voltage isolating switch in the existing high-tension distribution equipment, moving contact is for rotatablely moving, and dynamic/static contact mainly adopts the incision structure of blade type; Existing this structure makes the conduction contact performance instability of dynamic/static contact, and the overall space size is big, is unfavorable for the requirement of equipment for power transmission and distribution miniaturization.
Summary of the invention
The technical problems to be solved in the utility model provide a kind of simple and compact for structure, to take the overall space size little, the straight moving tri-station isolating switch that the conduction contact performance is stable.
In order to solve the problems of the technologies described above, straight moving tri-station isolating switch of the present utility model, comprise insulating support, insulating support is provided with upper backup pad, intermediate support plate and lower supporting plate, be arranged side by side the three-phase upper terminal on the upper backup pad, be arranged side by side the three-phase lower terminal on the intermediate support plate, be arranged side by side the three-phase earth terminal on the lower supporting plate, the upper terminal of each phase, the coaxial setting of lower terminal and earth terminal, bar-shaped moving contact cross-under on three terminals of homophase and optionally contacts with two terminals wherein, and the rear end of moving contact is provided with and can spurs the axially movable insulated tension pole of moving contact.
Be respectively arranged with the guiding supporting bracket between described upper backup pad and the intermediate support plate and between intermediate support plate and the lower supporting plate, be respectively arranged with the guide pin bushing coaxial with three-phase moving contact on the guiding supporting bracket.
Be provided with guide ring in the described guide pin bushing.
After adopting above-mentioned structure, because the coaxial setting of upper terminal, lower terminal and earth terminal of each phase, bar-shaped moving contact cross-under on three terminals of homophase and optionally contacts with two terminals wherein, the moving contact that tradition is rotatablely moved is changed into the moving contact of straight moving motion thus, and moving contact is club shaped structure, makes that the conduction contact performance of dynamic/static contact is stable, and structure, compactness, it is little to take the overall space size, is conducive to the requirement of equipment for power transmission and distribution miniaturization.
Description of drawings
Fig. 1 is the directly main TV structure schematic diagram of moving tri-station isolating switch of the utility model;
Fig. 2 is that the A-A of Fig. 1 is to structural representation;
Fig. 3 is the directly separating brake position view of moving tri-station isolating switch of the utility model;
Fig. 4 is the directly earthing position schematic diagram of moving tri-station isolating switch of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, straight moving tri-station isolating switch of the present utility model is described in further detail.
As shown in the figure, straight moving tri-station isolating switch of the present utility model, comprise insulating support 1, insulating support 1 is provided with upper backup pad 2, intermediate support plate 3 and lower supporting plate 4, be arranged side by side three-phase upper terminal 5 on the upper backup pad 1, be arranged side by side three-phase lower terminal 6 on the intermediate support plate 2, be arranged side by side three-phase earth terminal 7 on the lower supporting plate 3, the upper terminal of each phase, the coaxial setting of lower terminal and earth terminal, it is the upper terminal on the homophase, the coaxial setting of lower terminal and earth terminal, bar-shaped moving contact 8 cross-under are at three terminal (upper terminals of homophase, lower terminal and earth terminal) go up and optionally contact with two terminals wherein, the rear end of moving contact 8 is provided with and can spurs moving contact 8 axially movable insulated tension poles 9, thus by the pulling insulated tension pole, when moving contact 8 is positioned at topmost, moving contact 8 is pegged graft with upper terminal 5 and lower terminal 6 simultaneously and is cooperated, and is in closing position this moment; When moving contact 8 moved to the middle part, moving contact contacted with lower terminal 6 separately, was in the separating brake position this moment; When moving contact 8 moved to bottom, moving contact 8 was pegged graft with lower terminal 6 and earth terminal 7 simultaneously and is cooperated, and is in earthing position this moment.
Further, in order to increase the reliability of contact, guiding supporting bracket 10 can be respectively arranged with between upper backup pad 2 and the intermediate support plate 3 and between intermediate support plate 3 and the lower supporting plate 4, guiding is respectively arranged with the guide pin bushing 11 coaxial with three-phase moving contact 8 on the supporting bracket 10, is provided with guide ring 12 in the guide pin bushing 11.
By above-mentioned structure, optionally form the galvanic circle with moving contact by upper terminal, lower terminal and earth terminal thus.The moving contact cross section is circular, keeps often contacting by sliding contact with lower terminal; The lower end of moving contact links to each other with insulated tension pole, straight line upper and lower displacement insulated tension pole, moving contact is just at insulating support 1(epoxy package) under the guiding of the guide ring installed, contact with upper terminal, earth terminal respectively, thereby make the galvanic circle reach combined floodgate, separating brake, three positions of ground connection.
Claims (3)
1. one kind is directly moved tri-station isolating switch, it is characterized in that: comprise insulating support (1), insulating support (1) is provided with upper backup pad (2), intermediate support plate (3) and lower supporting plate (4), be arranged side by side three-phase upper terminal (5) on the upper backup pad (1), be arranged side by side three-phase lower terminal (6) on the intermediate support plate (2), be arranged side by side three-phase earth terminal (7) on the lower supporting plate (3), the upper terminal of described each phase, the coaxial setting of lower terminal and earth terminal, bar-shaped moving contact (8) cross-under on three terminals of homophase and optionally contacts with two terminals wherein, and the rear end of moving contact (8) is provided with and can spurs the axially movable insulated tension pole of moving contact (8) (9).
2. according to the described straight moving tri-station isolating switch of claim 1, it is characterized in that: be respectively arranged with guiding supporting bracket (10) between described upper backup pad (2) and the intermediate support plate (3) and between intermediate support plate (3) and the lower supporting plate (4), be respectively arranged with the guide pin bushing (11) coaxial with three-phase moving contact (8) on the guiding supporting bracket (10).
3. according to the described straight moving tri-station isolating switch of claim 2, it is characterized in that: be provided with guide ring (12) in the described guide pin bushing (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200035 CN203192672U (en) | 2013-04-19 | 2013-04-19 | Direct-acting three-position isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320200035 CN203192672U (en) | 2013-04-19 | 2013-04-19 | Direct-acting three-position isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203192672U true CN203192672U (en) | 2013-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320200035 Expired - Fee Related CN203192672U (en) | 2013-04-19 | 2013-04-19 | Direct-acting three-position isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203192672U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319160A (en) * | 2014-10-30 | 2015-01-28 | 北京双杰电气股份有限公司 | Insulation device |
| CN105244223A (en) * | 2015-10-09 | 2016-01-13 | 维龙（镇江）电工研究院有限公司 | Three-station direct drive load switch single-phase module |
| CN105810495A (en) * | 2016-04-27 | 2016-07-27 | 维龙（镇江）电工研究院有限公司 | Direct-acting three-position load switch |
| CN110112028A (en) * | 2019-04-30 | 2019-08-09 | 维龙(镇江)机电科学研究院有限公司 | A kind of breaker single-phase module |
| CN110189954A (en) * | 2019-07-08 | 2019-08-30 | 许昌市威仕达电气有限公司 | Isolation earthing switch |
| CN110993419A (en) * | 2019-12-31 | 2020-04-10 | 任广民 | Six-station low-voltage combination switch |
-
2013
- 2013-04-19 CN CN 201320200035 patent/CN203192672U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319160A (en) * | 2014-10-30 | 2015-01-28 | 北京双杰电气股份有限公司 | Insulation device |
| CN104319160B (en) * | 2014-10-30 | 2017-09-26 | 北京双杰电气股份有限公司 | Seal |
| CN105244223A (en) * | 2015-10-09 | 2016-01-13 | 维龙（镇江）电工研究院有限公司 | Three-station direct drive load switch single-phase module |
| CN105244223B (en) * | 2015-10-09 | 2018-12-04 | 维龙（镇江）电工研究院有限公司 | Three station direct acting type on-load switch single-phase modules |
| CN105810495A (en) * | 2016-04-27 | 2016-07-27 | 维龙（镇江）电工研究院有限公司 | Direct-acting three-position load switch |
| CN105810495B (en) * | 2016-04-27 | 2018-08-28 | 维龙（镇江）电工研究院有限公司 | Direct acting type three-stations load switch |
| CN110112028A (en) * | 2019-04-30 | 2019-08-09 | 维龙(镇江)机电科学研究院有限公司 | A kind of breaker single-phase module |
| CN110189954A (en) * | 2019-07-08 | 2019-08-30 | 许昌市威仕达电气有限公司 | Isolation earthing switch |
| CN110993419A (en) * | 2019-12-31 | 2020-04-10 | 任广民 | Six-station low-voltage combination switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160629 Address after: 212135, 8, Tongda Road, Shiqiao Town, Zhenjiang New District, Jiangsu, Zhenjiang Patentee after: Jiangsu Zhenbao Switch Electrical Appliances Co., Ltd. Address before: 212000 Zhenjiang province Jiangsu City New District Economic Development Zone South 4 Road No. 36, room 1310 Patentee before: Zhenjiang Weiyiai Electric Research Institute Co., Ltd. Patentee before: Jiangsu Zhenbao Switch Electrical Appliances Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20200419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |