CN201812734U - Three-phase three-station cable joint isolated overall-shield vacuum circuit breaker - Google Patents
Three-phase three-station cable joint isolated overall-shield vacuum circuit breaker Download PDFInfo
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- CN201812734U CN201812734U CN2010205054429U CN201020505442U CN201812734U CN 201812734 U CN201812734 U CN 201812734U CN 2010205054429 U CN2010205054429 U CN 2010205054429U CN 201020505442 U CN201020505442 U CN 201020505442U CN 201812734 U CN201812734 U CN 201812734U
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- 238000002955 isolation Methods 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000009413 insulation Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000012212 insulator Substances 0.000 abstract 5
- 238000000034 method Methods 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 2
- 230000005283 ground state Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229920001897 terpolymer Polymers 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
A three-phase three-station cable joint isolated overall-shield vacuum circuit breaker relates to a high-voltage switch device and comprises two cases and three phases of insulators with cavities. The two cases holding operating mechanisms are respectively arranged at two ends of the insulators, the cavity of each phase of insulator is communicated to the inside of each case via an insulating draw bar, a vacuum arc-extinguishing chamber and an isolation chamber are arranged in the cavity of each phase of insulator and arranged among an conductive joint on each insulator and the cases at two ends, an umbrella-shaped mechanism is arranged in each isolation chamber, and switching among grounding, isolation and working state of an outgoing conductive joint of an external cable is realized by the aid of operation of the umbrella-shaped mechanisms. The three-phase three-station cable joint isolated overall-shield vacuum circuit breaker has the advantages that the vacuum circuit breaker is novel in design; the procedure of independently grounding the cable when in maintenance is omitted and the vacuum circuit breaker is more convenient and easy in operation due to the umbrella-shaped structures arranged in the isolation chambers; and the tightness of the total vacuum circuit breaker structure can not be affected by the umbrella-shaped structures.
Description
Technical field
The utility model 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.
The utility model content
The technical problem that the utility model solved 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.
The technical problem that the utility model solved 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 beneficial effects of the utility model are novel in 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 the utility model three-phase three-station cable-isolating connector fully-shielded vacuum breaker;
Fig. 3 is a umbrella-shaped structure ground state schematic diagram in the utility model;
Fig. 4 is a umbrella-shaped structure isolation schematic diagram in the utility model;
Fig. 5 is a umbrella-shaped structure working state schematic representation in the utility model;
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 utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
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 utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model 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 |
|---|---|---|---|
| CN2010205054429U CN201812734U (en) | 2010-08-17 | 2010-08-17 | Three-phase three-station cable joint isolated overall-shield vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205054429U CN201812734U (en) | 2010-08-17 | 2010-08-17 | Three-phase three-station cable joint isolated overall-shield vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201812734U true CN201812734U (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205054429U Expired - Fee Related CN201812734U (en) | 2010-08-17 | 2010-08-17 | Three-phase three-station cable joint isolated overall-shield vacuum circuit breaker |
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| Country | Link |
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| CN (1) | CN201812734U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101930870A (en) * | 2010-08-17 | 2010-12-29 | 郑文秀 | Three-phase three-station cable-isolating connector fully-shielded vacuum breaker |
| CN106504937A (en) * | 2016-12-28 | 2017-03-15 | 中山市元贞电气科技有限公司 | A kind of environmental protection gas vacuum chopper |
-
2010
- 2010-08-17 CN CN2010205054429U patent/CN201812734U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101930870A (en) * | 2010-08-17 | 2010-12-29 | 郑文秀 | Three-phase three-station cable-isolating connector fully-shielded vacuum breaker |
| 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 |
| CN106504937A (en) * | 2016-12-28 | 2017-03-15 | 中山市元贞电气科技有限公司 | A kind of environmental protection gas vacuum chopper |
| CN106504937B (en) * | 2016-12-28 | 2018-09-11 | 曾甘林 | A kind of environmental protection gas vacuum breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 325604, Zhenxing Road, Xinguang Industrial Park, Yueqing, Zhejiang, Liushi 8 Patentee after: Zheng Wenxiu Address before: 325604, Zhenxing Road, Xinguang Industrial Park, Yueqing, Zhejiang, Liushi 8 Patentee before: Zheng Wenxiu |
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| ASS | Succession or assignment of patent right |
Owner name: HONGXIU ELECTRIC CO., LTD. Free format text: FORMER OWNER: ZHENG WENXIU Effective date: 20121123 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325604 WENZHOU, ZHEJIANG PROVINCE TO: 325600 WENZHOU, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20121123 Address after: 325600 Xinguang Industrial Zone, Liushi Town, Zhejiang, Yueqing Patentee after: Hongxiu Electric Co., Ltd. Address before: 325604, Zhenxing Road, Xinguang Industrial Park, Yueqing, Zhejiang, Liushi 8 Patentee before: Zheng Wenxiu |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20120817 |