CN104377052A - Three-station switch used for 220kV composite apparatus - Google Patents
Three-station switch used for 220kV composite apparatus Download PDFInfo
- Publication number
- CN104377052A CN104377052A CN201410666468.4A CN201410666468A CN104377052A CN 104377052 A CN104377052 A CN 104377052A CN 201410666468 A CN201410666468 A CN 201410666468A CN 104377052 A CN104377052 A CN 104377052A
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- CN
- China
- Prior art keywords
- moving contact
- contact
- isolation
- station
- ground connection
- 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
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a three-station switch used for a 220kV composite apparatus. The three-station switch comprises a switch body, a three-station operating mechanism, a grounding moving contact, a grounding fixed contact, an isolating moving contact and an isolating fixed contact. The grounding moving contact is connected with the isolating moving contact. The three-station operating mechanism is installed on the switch body and used for driving the grounding moving contact and the isolating moving contact to synchronously shift on the switch body and driving the grounding moving contact and the grounding fixed contact to be switched on while the isolating moving contact and the isolating fixed contact are separated, or driving the isolating moving contact and the isolating fixed contact to be switched on while the grounding moving contact and the grounding fixed contact are separated, or driving the grounding moving contact and the grounding fixed contact to be separated while the isolating moving contact and the isolating fixed contact are separated. The three-station switch is simple in structure, mechanical and natural interlocking is formed between an isolator and the grounding switch, misoperation is effectively prevented, and the integral height is small.
Description
Technical field
The present invention relates to high voltage switchgear technical field, refer in particular to a kind of 220kV combined electrical apparatus three-station.
Background technology
In prior art, high-tension apparatus operationally circuit needs to connect, and in the situations such as maintenance, when need open high-tension apparatus, high-tension apparatus needs ground connection, and therefore, high-tension apparatus need connect tri-station isolating switch.
As shown in Figure 1 to Figure 3, a kind of three-station that prior art discloses, comprises isolator operating mechanism 10, isolation moving contact 20, isolation fixed contact 30, earthing switch operating mechanism 40, ground connection moving contact 50 and grounding static contact 60.Isolator operating mechanism 10 orders about the displacement of isolation moving contact 20, isolation moving contact 20 is closed a floodgate or separating brake with isolation fixed contact 30, makes circuit ON or disconnection; And earthing switch operating mechanism 40 orders about ground connection moving contact 50 displacement, ground connection moving contact 50 and grounding static contact 60 are closed a floodgate or separating brake, makes high-tension apparatus ground connection or earth-free.Described isolation moving contact 20 and ground connection moving contact 50 are driven by isolator operating mechanism 10 and earthing switch operating mechanism 40 Liang Tao mechanism respectively, and therefore, it has following defect:
One, usual isolator operating mechanism is positioned at three-station top, and earthing switch operating mechanism is positioned at three-station bottom, make the height of whole three-station higher, do not meet traffic management regulation, thus transport is comparatively bothered, each component need be carried out disassembled for transport, after being transported to destination, assemble use again.
Two, Liang Tao mechanism drives operation isolation moving contact and ground connection moving contact respectively, makes mechanism comparatively complicated, and easily produces misoperation.
Summary of the invention
The object of the present invention is to provide a kind of 220kV combined electrical apparatus three-station, its structure is simple, effectively prevent misoperation, and whole height is lower.
For reaching above-mentioned purpose, solution of the present invention is:
A kind of 220kV combined electrical apparatus three-station, comprises switch main body, three station operating mechanisms, ground connection moving contact, grounding static contact, isolation moving contact and isolation fixed contact; Ground connection moving contact is connected with isolation moving contact; Three station operating mechanisms are arranged on switch main body, three station operating mechanisms order about ground connection moving contact and isolation moving contact synchronous shift on switch main body, order about ground connection moving contact and grounding static contact closes a floodgate, and isolate moving contact and isolation fixed contact separating brake, or order about isolation moving contact to close a floodgate with isolation fixed contact, and ground connection moving contact and grounding static contact separating brake, or order about ground connection moving contact and grounding static contact separating brake, and isolation moving contact and isolation fixed contact separating brake.
Further, three station operating mechanisms order about ground connection moving contact and isolation moving contact synchronous shift on switch main body by wheel and rack transmission cooperation.
Further, arrange contact base in switch main body, tooth bar is arranged in contact base, and ground connection moving contact is installed in one end, and the other end installs isolation moving contact; Gear is connected with three station operating mechanisms and engages with tooth bar, and three station operating mechanisms order about pinion rotation, thus orders about ground connection moving contact and isolation moving contact synchronous shift.
Further, three station operating mechanisms connect insulating bar, gear installed by insulating bar, three station operating mechanisms order about insulating bar driven gear and rotate.
Further, grounding static contact is coaxially arranged with isolation fixed contact.
After adopting such scheme, ground connection moving contact of the present invention and isolation moving contact are by a set of mechanism operation of three station operating mechanisms, ground connection moving contact is ordered about in realization and grounding static contact closes a floodgate, and isolate moving contact and isolation fixed contact separating brake, or order about isolation moving contact with isolation fixed contact and close a floodgate, and ground connection moving contact and grounding static contact separating brake, or order about ground connection moving contact and grounding static contact separating brake, and isolation moving contact and isolation fixed contact separating brake three station manipulation, therefore, it has the following advantages:
One, a set of mechanism drives operation isolation moving contact and ground connection moving contact, makes the height of whole three-station lower, meet traffic management regulation, and transport more for convenience, can by three-station whole Transporting to application target ground, without the need to carrying out disassembly and assembly.
Two, a set of mechanism drives operational grounding moving contact and isolation moving contact, makes whole three-station comparatively simple, and effectively prevents misoperation.
Accompanying drawing explanation
Fig. 1 is prior art three-station isolating switch and grounding switch tripping schematic diagram;
Fig. 2 is that prior art three-station isolating switch closes a floodgate and grounding switch tripping schematic diagram;
Fig. 3 is prior art three-station isolating switch separating brake and earthed switch combined floodgate schematic diagram;
Fig. 4 is three-station isolating switch of the present invention and grounding switch tripping schematic diagram;
Fig. 5 is that three-station isolating switch of the present invention closes a floodgate and grounding switch tripping schematic diagram;
Fig. 6 is three-station isolating switch separating brake of the present invention and earthed switch combined floodgate schematic diagram.
Label declaration
Isolator operating mechanism 10 isolates moving contact 20
Isolation fixed contact 30 earthing switch operating mechanism 40
Ground connection moving contact 50 grounding static contact 60
Switch main body 1 contact base 11
Three station operating mechanism 2 gears 21
Tooth bar 22 insulating bar 23
Ground connection moving contact 31 grounding static contact 32
Isolation moving contact 41 isolates fixed contact 42.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in detail.
Consult shown in Fig. 4 to Fig. 6, a kind of 220kV combined electrical apparatus three-station that the present invention discloses, comprise switch main body 1, three station operating mechanism 2, ground connection moving contact 31, grounding static contact 32, isolation moving contact 41 and isolation fixed contact 42.
Ground connection moving contact 31 is connected with isolation moving contact 41, i.e. ground connection moving contact 31 and isolation moving contact 41 synchronous shift.Three station operating mechanisms 2 are arranged on switch main body 1, three station operating mechanisms 2 order about ground connection moving contact 31 and isolation moving contact 41 synchronous shift on switch main body 1, order about ground connection moving contact 31 to close a floodgate with grounding static contact 32, and isolate moving contact 41 and isolation fixed contact 42 separating brake, or order about isolation moving contact 41 to close a floodgate with isolation fixed contact 42, and ground connection moving contact 31 and grounding static contact 32 separating brake, or order about ground connection moving contact 31 and grounding static contact 32 separating brake, and isolation moving contact 41 and isolation fixed contact 42 separating brake.
In the present embodiment, three station operating mechanisms 2 to be coordinated with tooth bar 22 transmission by gear 21 orders about ground connection moving contact 31 and isolation moving contact 41 synchronous shift on switch main body 1.
Arrange contact base 11 in switch main body 1, tooth bar 22 is arranged in contact base 11, and ground connection moving contact 31 is installed in one end, and the other end installs isolation moving contact 41; Gear 21 is connected with three station operating mechanisms 2 and engages with tooth bar 22, and three station operating mechanisms 2 order about gear 21 and rotate, thus orders about ground connection moving contact 31 and isolation moving contact 41 synchronous shift.
Three station operating mechanisms 2 connect insulating bar 23, insulating bar 23 is installed gear 21, three station operating mechanisms 2 order about insulating bar 23 driven gear 21 and rotate.
Ground connection moving contact 31 of the present invention and isolation moving contact 41 are by a set of mechanism operation of three station operating mechanisms 2, make the height of whole three-station lower, meet traffic management regulation, and transport more for convenience, can by three-station whole Transporting to application target ground, without the need to carrying out disassembly and assembly; Meanwhile, a set of mechanism drives operational grounding moving contact 31 and isolation moving contact 41, makes whole three-station comparatively simple, and effectively prevents misoperation.
Meanwhile, grounding static contact 32 is coaxially arranged with isolation fixed contact 42, reduces the height of three-station further.
The foregoing is only the preferred embodiments of the present invention, not to the restriction of this case design, all equivalent variations done according to the design key of this case, all fall into the protection range of this case.
Claims (5)
1. a 220kV combined electrical apparatus three-station, is characterized in that: comprise switch main body, three station operating mechanisms, ground connection moving contact, grounding static contact, isolation moving contact and isolation fixed contact; Ground connection moving contact is connected with isolation moving contact; Three station operating mechanisms are arranged on switch main body, three station operating mechanisms order about ground connection moving contact and isolation moving contact synchronous shift on switch main body, order about ground connection moving contact and grounding static contact closes a floodgate, and isolate moving contact and isolation fixed contact separating brake, or order about isolation moving contact to close a floodgate with isolation fixed contact, and ground connection moving contact and grounding static contact separating brake, or order about ground connection moving contact and grounding static contact separating brake, and isolation moving contact and isolation fixed contact separating brake.
2. a kind of 220kV combined electrical apparatus three-station as claimed in claim 1, is characterized in that: three station operating mechanisms are coordinated by wheel and rack transmission orders about ground connection moving contact and isolation moving contact synchronous shift on switch main body.
3. a kind of 220kV combined electrical apparatus three-station as claimed in claim 2, it is characterized in that: arrange contact base in switch main body, tooth bar is arranged in contact base, and ground connection moving contact is installed in one end, and the other end installs isolation moving contact; Gear is connected with three station operating mechanisms and engages with tooth bar, and three station operating mechanisms order about pinion rotation, thus orders about ground connection moving contact and isolation moving contact synchronous shift.
4. a kind of 220kV combined electrical apparatus three-station as claimed in claim 2 or claim 3, is characterized in that: three station operating mechanisms connect insulating bar, gear installed by insulating bar, and three station operating mechanisms order about insulating bar driven gear and rotate.
5. a kind of 220kV combined electrical apparatus three-station as claimed in claim 1, is characterized in that: grounding static contact is coaxially arranged with isolation fixed contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666468.4A CN104377052A (en) | 2014-11-20 | 2014-11-20 | Three-station switch used for 220kV composite apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410666468.4A CN104377052A (en) | 2014-11-20 | 2014-11-20 | Three-station switch used for 220kV composite apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104377052A true CN104377052A (en) | 2015-02-25 |
Family
ID=52555902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410666468.4A Pending CN104377052A (en) | 2014-11-20 | 2014-11-20 | Three-station switch used for 220kV composite apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104377052A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024606A (en) * | 2010-12-16 | 2011-04-20 | 上海思源高压开关有限公司 | Three-station isolation ground switch |
| CN202917370U (en) * | 2012-10-30 | 2013-05-01 | 江苏精科智能电气股份有限公司 | Three-position isolation and earthing switch of gas insulated metal-enclosed switchgear |
| US20130248338A1 (en) * | 2012-03-26 | 2013-09-26 | Abb Technology Ag | Electric switching device and related electric apparatus |
| CN204242844U (en) * | 2014-11-20 | 2015-04-01 | 许继（厦门）智能电力设备股份有限公司 | A kind of 220kV combined electrical apparatus three-station |
-
2014
- 2014-11-20 CN CN201410666468.4A patent/CN104377052A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024606A (en) * | 2010-12-16 | 2011-04-20 | 上海思源高压开关有限公司 | Three-station isolation ground switch |
| US20130248338A1 (en) * | 2012-03-26 | 2013-09-26 | Abb Technology Ag | Electric switching device and related electric apparatus |
| CN202917370U (en) * | 2012-10-30 | 2013-05-01 | 江苏精科智能电气股份有限公司 | Three-position isolation and earthing switch of gas insulated metal-enclosed switchgear |
| CN204242844U (en) * | 2014-11-20 | 2015-04-01 | 许继（厦门）智能电力设备股份有限公司 | A kind of 220kV combined electrical apparatus three-station |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150225 |