CN101930870A - Three-phase three-station cable-isolating connector fully-shielded vacuum breaker - Google Patents
Three-phase three-station cable-isolating connector fully-shielded vacuum breaker Download PDFInfo
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- CN101930870A CN101930870A CN2010102633265A CN201010263326A CN101930870A CN 101930870 A CN101930870 A CN 101930870A CN 2010102633265 A CN2010102633265 A CN 2010102633265A CN 201010263326 A CN201010263326 A CN 201010263326A CN 101930870 A CN101930870 A CN 101930870A
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Abstract
The invention discloses a three-phase three-station cable-isolating connector fully-shielded vacuum breaker and relates to a high-voltage switching device. The vacuum breaker comprises three insulation posts arranged at three phases and two cases, wherein the insulation post at each phase is provided with cavity, each case contains an operating mechanism, the two cases are respectively arranged at both ends of the insulation posts, the inside of the cavity of the insulation post at each phase is communicated with the inside of the cases through an insulation draw rod, a vacuum arc extinguishing chamber and an isolation chamber are respectively arranged in the cavity of the insulation post at each phase, the vacuum arc extinguishing chamber and the isolation chamber are positioned among a conductive contact on the insulation post and the cases arranged at both ends, an umbrella-shaped mechanism is arranged in the isolation chamber, and the grounding, the isolation and the switching on/off of the outlet conductive contact of an external cable can be controlled by using the umbrella-shaped mechanism. The vacuum breaker has the advantage of novel design. Since the umbrella-shaped structure is arranged in the isolation chamber, the procedure of singly grounding the cable in the maintenance process is omitted, the operation is simple, convenient and feasible, and the tightness of the whole vacuum breaker structure can not be influenced.
Description
Technical field
The present invention relates to a kind of high voltage switching device, specifically is a kind of three-phase three-station cable-isolating connector fully-shielded vacuum breaker.
Background technology
At present, present stage, existing high-pressure vacuum breaker was made of vacuum interrupter and galvanic circle, outer field silastic cord breaker and epoxy resin layer etc., this high-pressure vacuum breaker in use, the outside phenomenon that always has leakage current takes place, can only be installed on the pillar when therefore installing out of doors, but continuous transformation along with urban distribution network, overhead wire originally is converted into underground cable, controller switching equipment also will turn to undergroundly for this reason, and just needed a kind of all insulation and hermetic vacuum switch this moment.
China Patent No. is 03230964.3, name is called " tangibly vacuum circuit-breaker " and discloses a kind of surface at original epoxy resin layer and add one semiconductor layer, the outer surface of semiconductor layer also is provided with the ternary third rubber-covered screen, reach all insulation and totally-enclosed structure with this, referring to shown in Figure 1.In this structure with cut-in operation cable in the inlet wire of vacuum circuit-breaker and the outlet conductive contact, if fault is when needing repairing, need close the operating mechanism of vacuum circuit-breaker, the electric current that disconnects between vacuum circuit-breaker and the cable just can be operated, though with the failure of current between vacuum circuit-breaker and the cable, but because cable is generally all long, after operating mechanism disconnects, though the electromotive force that does not have on the vacuum circuit-breaker, but there is certain electromotive force on the cable, if misoperation is easy to the maintenance personal is caused certain injury.And the vacuum circuit-breaker that occurs on the existing market is in order to address this problem, need pull down cable during maintenance and on cable core the circuit of an external ground connection, electromotive force residual on the cable is inserted underground, could guarantee safety operation, inconvenience very.
Summary of the invention
Technical problem solved by the invention is to provide a kind of novel structure, at the inner three-phase three-station cable-isolating connector fully-shielded vacuum breaker that just cable can be carried out the ground connection processing of vacuum circuit-breaker.
Technical problem solved by the invention realizes by the following technical solutions:
A kind of three-phase three-station cable-isolating connector fully-shielded vacuum breaker, comprise that three-phase has insulated column and two casings of cavity, be provided with operating mechanism in described two casings, casing is separately positioned on the two ends of insulated column, in the cavity of every phase insulated column and the inside of casing is connected by insulated tension pole, and vacuum interrupter and isolation ward be set in the cavity of described every phase insulated column, it is characterized in that: described vacuum interrupter and isolation ward are between the casing at conductive contact on the insulated column and two ends, be provided with umbrella mechanism in its isolation ward, the outlet conductive contact of controlling external cable by umbrella mechanism carries out ground connection, suiting of isolation and operating state.
Described umbrella mechanism is made of connecting rod and stretch, join between the insulated tension pole of described stretch one end and isolation ward, the other end and connecting rod join, after an end on the described connecting rod and described stretch are joined, the other end and described outlet conductive contact join, and connecting rod can launch under the drive of stretch and be closed.
After described connecting rod launches, the end of connecting rod contacts with the inwall of isolation ward, the position of contact is provided with conductive layer, described conductive layer passes behind the insulated column cylinder that constitutes the insulation arc control device along electric connection between the outer wall of insulated column and the casing, be used for after connecting rod launches, electromotive force ground connection residual on the cable being handled.
On the insulated tension pole that described and stretch are joined, circular-arc contact is made on the top of insulated tension pole, and described insulated tension pole protracts by the drive of the operating mechanism in the casing and retreats.
The insulated column that described three-phase has cavity is respectively A phase insulated column, B phase insulated column and C insulated column mutually.
Periphery at described three phase isolated post is provided with the semiconductor layer that the Ethylene Propylene Terpolymer modified rubber is made, and is one-body molded between described semiconductor layer and the described three phase isolated post, and described semiconductor layer is covered described three phase isolated post fully.
Be connected with insulating sealer on the described insulated tension pole, described insulating sealer is made of two parts, and a part is extensile insulating sealer, and a part is fixing insulating sealer.
Described fixing insulating sealer is sealed in the junction of described insulated column and casing by bonding agent, and an end and casing join, and an end of the other end and extensile insulating sealer joins.
Another end of described extensile insulating sealer is connected the top of insulated tension pole, described extensile insulating sealer undulate on insulated tension pole, when being used for insulated tension pole and moving forward, extensile insulating sealer also can move forward simultaneously, remains sealing.
Described extensile insulating sealer and fixing insulating sealer are made by the Ethylene Propylene Terpolymer modified rubber.
The invention has the beneficial effects as follows modern design, in the indoor structure that a umbrella is set of vacuum extinction, removed from when maintenance and need carry out the operation that independent grounding is handled to cable, it is simple and easy to do to operate, and can not cause any impact to the sealing of whole vacuum circuit breaker constructions.
Description of drawings
Fig. 1 is a vacuum circuit breaker constructions schematic diagram in the prior art;
Fig. 2 is the structural representation of three-phase three-station cable-isolating connector fully-shielded vacuum breaker of the present invention;
Fig. 3 is a umbrella-shaped structure ground state schematic diagram among the present invention;
Fig. 4 is a umbrella-shaped structure isolation schematic diagram among the present invention;
Fig. 5 is a umbrella-shaped structure working state schematic representation among the present invention;
1-insulated column, 2-casing, 11-insulated tension pole, the circular-arc contact of 111-, 112-vacuum interrupter, 12-isolation ward, 13-conductive contact, 14-umbrella mechanism, 141-connecting rod, 142-stretch, 15-conductive layer among the figure.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
As shown in Figures 2 and 3, a kind of three-phase three-station cable-isolating connector fully-shielded vacuum breaker, comprise that three-phase has insulated column 1 and two casings 2 of cavity, the insulated column 1 that three-phase has cavity is respectively A phase insulated column, B phase insulated column and C be insulated column mutually, two casings 2 are installed in the two ends of insulated column 1 respectively, insulated column 1 just in time is located in the centre of two casings 2 like this, in the cavity of every phase insulated column 1 and inside of casing 2 is connected by insulated tension pole 11, and vacuum interrupter 112 and isolation ward 12 be set in the cavity of every phase insulated column 1, wherein isolation ward 12 is provided with two, between the casing 2 at conductive contact 13 and two ends on the insulated column 1, be provided with umbrella mechanism 14 in an isolation ward 12 therein, carry out ground connection by the outlet conductive contact of controlling external cable 13 to umbrella mechanism 14, suiting of isolation and operating state.
Again as shown in Figure 3, umbrella mechanism 14 is made of connecting rod 141 and stretch 142, join between the insulated tension pole 11 of stretch 142 1 ends and isolation ward 12, the other end and connecting rod 141 join, after an end on the connecting rod 141 and stretch 142 are joined, the end of the other end and outlet conductive contact 13 joins, at this moment, connecting rod 141, each tie point of stretch 142 all can be movable, connecting rod 141 just can launch under the drive of stretch 142 and be closed like this, and after connecting rod 141 launches, and just constitute the structure of umbrella between the stretch 142, simultaneously on the insulated tension pole 11 that joins with stretch, circular-arc contact 111 is made on the top of insulated tension pole 11, protracts under insulated tension pole 11 drives by the operating mechanisms in the casing 2 and retreats.
Again as shown in Figure 3, after connecting rod 141 launches, the end of connecting rod 141 contacts with the inwall of isolation ward 12, and the position of contact is provided with conductive layer 15, and conductive layer 15 passes behind the cylinder that constitutes insulated column isolation ward 12 along electric connection between the outer wall of insulated column 1 and the casing 2.
When insulated tension pole 11 is set in ground state by the switching mechanism in the casing 1, insulated tension pole 11 is in initial condition, connecting rod 141 launches, the end of connecting rod 141 and conductive layer 15 contact, electromotive force residual on the cable just inserts ground by connecting rod 141, conductive layer 15, casing 2 backs, finishes ground connection processing.
As shown in Figure 4, when insulated tension pole 11 is set in isolation by the switching mechanism in the casing 1, insulated tension pole 11 is in initial condition, connecting rod 141 closures, the end of connecting rod 141 and conductive layer 15 just do not contact, this moment, cable and vacuum circuit-breaker just were in isolation, can operate vacuum circuit-breaker itself, and external cable just were left intact.
As shown in Figure 5, when insulated tension pole 11 is set in operating state by the switching mechanism in the casing 1, insulated tension pole 11 is stretching out forward, this moment connecting rod 141 closures, do not contact with conductive layer 15, the circular-arc contact 111 of insulated tension pole 11 front ends just in time touch and the inlet wire conductive contact between electric connection, whole vacuum circuit-breaker just is initially located in operating state, and the operating state in closed 14 pairs of vacuum interrupters of umbrella mechanism 12 is without any influence.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (5)
1. three-phase three-station cable-isolating connector fully-shielded vacuum breaker, comprise that three-phase has insulated column and two casings of cavity, described two casings are separately positioned on the two ends of insulated column, in the cavity of every phase insulated column and the inside of casing is connected by insulated tension pole, and vacuum interrupter and isolation ward be set in the cavity of described every phase insulated column, it is characterized in that: described vacuum interrupter and isolation ward are between the casing at conductive contact on the insulated column and two ends, be provided with umbrella mechanism in its isolation ward, the outlet conductive contact of controlling external cable by umbrella mechanism carries out ground connection, suiting of isolation and operating state.
2. according to the described full-shielded vacuum circuit breaker of claim 1, it is characterized in that: described umbrella mechanism is made of connecting rod and stretch, join between the insulated tension pole of described stretch one end and isolation ward, the other end and connecting rod join, after an end on the described connecting rod and described stretch are joined, the other end and described outlet conductive contact join, and connecting rod can launch under the drive of stretch and be closed.
3. according to the described full-shielded vacuum circuit breaker of claim 1, it is characterized in that: after described connecting rod launched, the end of connecting rod contacted with the inwall of isolation ward, and the position of contact is provided with conductive layer.
4. according to the described full-shielded vacuum circuit breaker of claim 3, it is characterized in that: described conductive layer passes behind the insulated column cylinder that constitutes the insulation arc control device along electric connection between the outer wall of insulated column and the casing.
5. according to the described full-shielded vacuum circuit breaker of claim 2, it is characterized in that: on the insulated tension pole that described and stretch is joined, circular-arc contact is made on the top of insulated tension pole, and insulated tension pole protracts by the drive of the operating mechanism in the casing and retreats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010263326.5A CN101930870B (en) | 2010-08-17 | 2010-08-17 | Three-phase three-station cable-isolating connector fully-shielded vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010263326.5A CN101930870B (en) | 2010-08-17 | 2010-08-17 | Three-phase three-station cable-isolating connector fully-shielded vacuum breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101930870A true CN101930870A (en) | 2010-12-29 |
| CN101930870B CN101930870B (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010263326.5A Expired - Fee Related CN101930870B (en) | 2010-08-17 | 2010-08-17 | Three-phase three-station cable-isolating connector fully-shielded vacuum breaker |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111627747A (en) * | 2020-06-29 | 2020-09-04 | 成都彩佳角商贸有限公司 | Vacuum circuit breaker |
| CN112005328A (en) * | 2018-04-25 | 2020-11-27 | 泰科电子英国有限公司 | Electromechanical actuator and High Voltage (HV) switch |
| CN112202100A (en) * | 2020-10-19 | 2021-01-08 | 国网山东省电力公司潍坊供电公司 | Gas-insulated metal-enclosed switchgear and operation method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005332721A (en) * | 2004-05-20 | 2005-12-02 | Tokyo Denki Univ | Vacuum current breaking device |
| CN1802720A (en) * | 2003-12-19 | 2006-07-12 | 三菱电机株式会社 | Circuit breaker |
| CN201364853Y (en) * | 2009-01-13 | 2009-12-16 | 华仪电气股份有限公司 | Touchable vacuum circuit breaker |
| CN201812734U (en) * | 2010-08-17 | 2011-04-27 | 郑文秀 | Three-phase three-station cable joint isolated overall-shield vacuum circuit breaker |
-
2010
- 2010-08-17 CN CN201010263326.5A patent/CN101930870B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1802720A (en) * | 2003-12-19 | 2006-07-12 | 三菱电机株式会社 | Circuit breaker |
| JP2005332721A (en) * | 2004-05-20 | 2005-12-02 | Tokyo Denki Univ | Vacuum current breaking device |
| CN201364853Y (en) * | 2009-01-13 | 2009-12-16 | 华仪电气股份有限公司 | Touchable vacuum circuit breaker |
| CN201812734U (en) * | 2010-08-17 | 2011-04-27 | 郑文秀 | Three-phase three-station cable joint isolated overall-shield vacuum circuit breaker |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112005328A (en) * | 2018-04-25 | 2020-11-27 | 泰科电子英国有限公司 | Electromechanical actuator and High Voltage (HV) switch |
| US11282660B2 (en) | 2018-04-25 | 2022-03-22 | Tyco Electronics Uk Ltd. | Electromechanical actuator and high voltage (HV) switch |
| CN111627747A (en) * | 2020-06-29 | 2020-09-04 | 成都彩佳角商贸有限公司 | Vacuum circuit breaker |
| CN112202100A (en) * | 2020-10-19 | 2021-01-08 | 国网山东省电力公司潍坊供电公司 | Gas-insulated metal-enclosed switchgear and operation method |
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| Publication number | Publication date |
|---|---|
| CN101930870B (en) | 2014-04-02 |
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Owner name: HONGXIU ELECTRIC CO., LTD. Free format text: FORMER OWNER: ZHENG WENXIU Effective date: 20121121 |
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Effective date of registration: 20121121 Address after: 325600 Xinguang Industrial Zone, Liushi Town, Zhejiang, Yueqing Applicant after: HONGXIU ELECTRIC Co.,Ltd. Address before: 325604, Zhenxing Road, Xinguang Industrial Park, Yueqing, Zhejiang, Liushi 8 Applicant before: Zheng Wenxiu |
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