CN103474286A - Outdoor high voltage vacuum circuit breaker - Google Patents
Outdoor high voltage vacuum circuit breaker Download PDFInfo
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- CN103474286A CN103474286A CN2013103859281A CN201310385928A CN103474286A CN 103474286 A CN103474286 A CN 103474286A CN 2013103859281 A CN2013103859281 A CN 2013103859281A CN 201310385928 A CN201310385928 A CN 201310385928A CN 103474286 A CN103474286 A CN 103474286A
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Abstract
The invention relates to an outdoor high voltage vacuum circuit breaker. The outdoor high voltage vacuum circuit breaker comprises a case, a transmission mechanism and a conducting loop, wherein the transmission mechanism and the conducting loop are positioned inside the case; the conducting loop comprises an incoming wire conducting rod, an outgoing wire conducting rod, a conducting clamp and a vacuum arc extinguish chamber; the exterior of the incoming wire conducting rod is provided with an incoming wire insulated sleeve; the exterior of the outgoing wire conducting rod is provided with an outgoing wire insulated sleeve; the vacuum arc extinguish chamber is arranged at the interior of the incoming wire insulated sleeve; the static end of the vacuum arc extinguish chamber is connected with the incoming wire conducting rod, and the dynamic end of the vacuum arc extinguish chamber is connected with the conducting clamp; the conducting clamp is connected with the outgoing wire conducting rod through soft connection; the dynamic end of the vacuum arc extinguish chamber is connected with the transmission mechanism. The outdoor high voltage vacuum circuit breaker is characterized in that the vacuum arc extinguish chamber is arranged at the incoming wire insulated sleeve; the static end of the vacuum arc extinguish chamber is fixedly connected with the dynamic end of the vacuum arc extinguish chamber without a dynamic connection point; therefore, the interior structure is simplified, the requirement of installation technology is greatly reduced, fault points are reduced, and the probability of accident occurrence is reduced.
Description
Technical field
The present invention relates to electric field, refer to especially a kind of outdoor high-voltage vacuum breaker.
Background technology
Outdoor vacuum circuit breaker is mainly used in the beginning, closes the load current of electric power system, overload current and short circuit current; be applicable to transformer station, industrial and mining enterprises and city, rural power grids are made protection and control, are specially adapted to frequent operation place and city automation distribution network.
And existing outdoor high-voltage vacuum breaker comprises cabinet, transmission mechanism and galvanic circle, this galvanic circle by inlet wire conducting rod, outlet conductive pole, conductive clip, being flexible coupling is formed by connecting with vacuum interrupter, and inlet wire conducting rod and outlet conductive pole outer wall are coated with the sleeve pipe of insulation, in the outdoor high-voltage vacuum breaker of this structure, vacuum interrupter and sleeve pipe be not on same installed surface, and the two ends of vacuum tube adopt the watch chain fingertip dynamically to be connected with sleeve pipe, this structure is selected product material and mounting process requires very harsh, material deformation and workman's mounting process fail strictly to carry out on request a little, will make the change of outdoor high-voltage vacuum breaker parameter, cause the less stable of outdoor high-voltage vacuum breaker, the dynamic connection that outdoor high-voltage vacuum breaker adopts, increased dynamic tie point, cause the drive mechanism complexity, increase the fault point that outdoor high-voltage vacuum breaker is existed, increase contingency occurrence probability, and the connected mode more complicated of cabinet inside vacuum tube and transmission mechanism, and existing outdoor high-voltage vacuum breaker generally all adopts current transformer, the current zero sequence instrument transformer, voltage transformer is done the fault judgement, and the voltage zero sequence of this scheme is after sampling from other instrument transformer, carried out afterwards as calculated the accident judgement, because of on-the-spot and outdoor high-voltage vacuum breaker internal environment, the environment of electricity, the sampling delivering path, the stability of former device etc. factors all can directly cause the error of fault judgement, producing erroneous judgement makes controller to the instruction made mistake, so this type of outdoor high-voltage vacuum breaker is difficult to adapt to instructions for use under particular surroundings, cause topology layout unreasonable.
Summary of the invention
The deficiency existed for prior art, the object of the present invention is to provide that a kind of drive mechanism is simple, stability is strong and the rational outdoor high-voltage vacuum breaker of topology layout.
Technical scheme of the present invention is achieved in that a kind of outdoor high-voltage vacuum breaker, comprise cabinet, transmission mechanism and galvanic circle, transmission mechanism and galvanic circle are positioned at casing, this galvanic circle comprises the inlet wire conducting rod, outlet conductive pole, conductive clip and vacuum interrupter, described inlet wire conducting rod outer setting has the inlet wire insulating sleeve, the outlet conductive pole outer setting has the outlet insulating sleeve, the terminals of this inlet wire conducting rod pass the cabinet setting, the terminals of this outlet conductive pole pass the cabinet setting, described vacuum interrupter is arranged at inlet wire insulated tube inside, and the quiet end of vacuum interrupter is connected with the inlet wire conducting rod, the moved end of described vacuum interrupter is connected with conductive clip, conductive clip is connected with outlet conductive pole by being flexible coupling, and the moved end of vacuum interrupter is connected with transmission mechanism.
By adopting technique scheme, vacuum interrupter is located to the inlet wire insulating sleeve, the quiet end of vacuum interrupter and moved end employing are fixedly connected with, without dynamic tie point, simplified internal structure, greatly reduce the requirement of mounting process, reduce fault point, reduced contingency occurrence probability.
The present invention further is set to: described transmission mechanism comprises insulated tension pole, support, main shaft, vacuum tube connecting lever and vacuum tube pull bar, this insulated tension pole an end with main shaft, be connected, the other end of this insulated tension pole and vacuum tube connecting lever are hinged, support is fixedly connected in cabinet, the other end of vacuum tube connecting lever is articulated on support, one end of vacuum tube pull bar is fixedly connected with the moved end of vacuum interrupter, and the middle part of the middle part of vacuum tube connecting lever and vacuum tube pull bar is hinged.
By adopting technique scheme, greatly simplified the drive mechanism of cabinet inside, make more stable transmission, reduced production cost.
The present invention also further is set to: also be provided with voltage transformer, current transformer and current zero sequence instrument transformer in described cabinet, current transformer and current zero sequence instrument transformer are sheathed on the outer wall of outlet insulating sleeve, and voltage transformer is electrically connected to the inlet wire conducting rod by wire.
By adopting technique scheme, do not need to calculate, but just failure judgement, at supply side or negative electrical charge, can adapt to instructions for use under particular surroundings, topology layout is more reasonable.
The present invention also further is set to: between described vacuum interrupter and inlet wire insulating sleeve, also be provided with fluid sealant.
By adopting technique scheme, guaranteed the sealing effectiveness of vacuum interrupter and inlet wire insulating sleeve.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is specific embodiment of the invention structural representation;
Fig. 2 is vacuum chamber structure schematic diagram in the specific embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment obtained, belong to the scope of protection of the invention.
As shown in Fig. 1-Fig. 2, the invention discloses a kind of outdoor high-voltage vacuum breaker, comprise cabinet 1, transmission mechanism and galvanic circle, transmission mechanism and galvanic circle are positioned at casing 1, this galvanic circle comprises inlet wire conducting rod 2, outlet conductive pole 3, conductive clip 6 and vacuum interrupter 8, described inlet wire conducting rod 2 outer setting have inlet wire insulating sleeve 4, outlet conductive pole 3 outer setting have outlet insulating sleeve 5, the terminals 21 of this inlet wire conducting rod pass cabinet 1 and arrange, the terminals 31 of this outlet conductive pole pass cabinet 1 and arrange, in the specific embodiment of the invention, described vacuum interrupter 8 is arranged at inlet wire insulated tube 4 inside, and the quiet end 81 of vacuum interrupter is connected with inlet wire conducting rod 2, the moved end 82 of described vacuum interrupter is connected with conductive clip 6, conductive clip 67 is connected with outlet conductive pole 3 by being flexible coupling, and the moved end 82 of vacuum interrupter is connected with transmission mechanism, vacuum interrupter is located to the inlet wire insulating sleeve, the quiet end of vacuum interrupter and moved end employing are fixedly connected with, without dynamic tie point, simplified internal structure, greatly reduce the requirement of mounting process, reduced fault point, reduced contingency occurrence probability.
And at the interior employing composite air of cabinet 1, be insulating gas, having replaced sulfur hexafluoride gas is insulating gas, has improved on the whole the security performance of outdoor high-voltage vacuum breaker, environmental protection more.Because sulphur hexafluoride one of is greenhouse gas, in atmosphere, the survival life-span is 3200, and environment is existed to potential hazard, and sulphur hexafluoride is exposed to oxygen content and is less than in 19.5% atmosphere and can causes head, stupor, saliva increases, and reacts slow Tun, gastric disorder causing nausea, vomiting, lose consciousness even dead; Can lose consciousness without any tendency in being less than 12% atmosphere, and lose the self rescue ability, and sulfur hexafluoride gas easily reveals, the harm existence of electric arc blast occurs.
In the specific embodiment of the invention, described transmission mechanism comprises insulated tension pole 11, support 13, main shaft 12, vacuum tube connecting lever 10 and vacuum tube pull bar 9, this insulated tension pole 11 an end with main shaft 12, be connected, the other end of this insulated tension pole 11 and vacuum tube connecting lever 10 are hinged, support 13 is fixedly connected in cabinet 1, the other end of vacuum tube connecting lever 10 is articulated on support 13, one end of vacuum tube pull bar 9 is fixedly connected with the moved end of vacuum interrupter 8, the middle part of the middle part of vacuum tube connecting lever 10 and vacuum tube pull bar 9 is hinged, greatly simplified the drive mechanism of cabinet inside, make more stable transmission, reduced production cost.
In the specific embodiment of the invention, also be provided with voltage transformer 18 in described cabinet 1, current transformer 17 and current zero sequence instrument transformer 16, current transformer 17 and current zero sequence instrument transformer 16 are sheathed on the outer wall of outlet insulating sleeve, and current zero sequence instrument transformer 16 is close to current transformer 17 and is arranged, voltage transformer 18 is electrically connected to inlet wire conducting rod 2 by wire, voltage transformer can detect the data at inlet wire conducting rod place, current zero sequence instrument transformer and current transformer can detect the data at outlet conductive pole place, just can realize not needing calculating, just but failure judgement is at supply side or negative electrical charge, can adapt to instructions for use under particular surroundings, topology layout is more reasonable.
In the specific embodiment of the invention, also be provided with fluid sealant 15 between described vacuum interrupter 8 and inlet wire insulating sleeve 4, guaranteed the sealing effectiveness of vacuum interrupter and inlet wire insulating sleeve.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. an outdoor high-voltage vacuum breaker, comprise cabinet, transmission mechanism and galvanic circle, transmission mechanism and galvanic circle are positioned at casing, this galvanic circle comprises the inlet wire conducting rod, outlet conductive pole, conductive clip and vacuum interrupter, described inlet wire conducting rod outer setting has the inlet wire insulating sleeve, the outlet conductive pole outer setting has the outlet insulating sleeve, the terminals of this inlet wire conducting rod pass the cabinet setting, the terminals of this outlet conductive pole pass the cabinet setting, it is characterized in that: described vacuum interrupter is arranged at inlet wire insulated tube inside, and the quiet end of vacuum interrupter is connected with the inlet wire conducting rod, the moved end of described vacuum interrupter is connected with conductive clip, conductive clip is connected with outlet conductive pole by being flexible coupling, and the moved end of vacuum interrupter is connected with transmission mechanism.
2. outdoor high-voltage vacuum breaker according to claim 1, it is characterized in that: described transmission mechanism comprises insulated tension pole, support, main shaft, vacuum tube connecting lever and vacuum tube pull bar, this insulated tension pole an end with main shaft, be connected, the other end of this insulated tension pole and vacuum tube connecting lever are hinged, support is fixedly connected in cabinet, the other end of vacuum tube connecting lever is articulated on support, one end of vacuum tube pull bar is fixedly connected with the moved end of vacuum interrupter, and the middle part of the middle part of vacuum tube connecting lever and vacuum tube pull bar is hinged.
3. outdoor high-voltage vacuum breaker according to claim 1 and 2, it is characterized in that: also be provided with voltage transformer, current transformer and current zero sequence instrument transformer in described cabinet, current transformer and current zero sequence instrument transformer are sheathed on the outer wall of outlet insulating sleeve, and voltage transformer is electrically connected to the inlet wire conducting rod by wire.
4. outdoor high-voltage vacuum breaker according to claim 1 and 2, is characterized in that: between described vacuum interrupter and inlet wire insulating sleeve, also be provided with fluid sealant.
5. outdoor high-voltage vacuum breaker according to claim 3, is characterized in that: between described vacuum interrupter and inlet wire insulating sleeve, also be provided with fluid sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103859281A CN103474286A (en) | 2013-08-29 | 2013-08-29 | Outdoor high voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103859281A CN103474286A (en) | 2013-08-29 | 2013-08-29 | Outdoor high voltage vacuum circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN103474286A true CN103474286A (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103859281A Pending CN103474286A (en) | 2013-08-29 | 2013-08-29 | Outdoor high voltage vacuum circuit breaker |
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| Country | Link |
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| CN (1) | CN103474286A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786174A (en) * | 2017-11-13 | 2019-05-21 | 董绍光 | A kind of breaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101001006A (en) * | 2006-01-10 | 2007-07-18 | 日本Ae帕瓦株式会社 | Gas insulated electric equipment |
| CN101345156A (en) * | 2007-05-24 | 2009-01-14 | 郑文秀 | Demarcation switch |
| CN201868318U (en) * | 2010-11-04 | 2011-06-15 | 河南省电力公司信阳供电公司 | Double-power high-voltage vacuum breaker |
-
2013
- 2013-08-29 CN CN2013103859281A patent/CN103474286A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101001006A (en) * | 2006-01-10 | 2007-07-18 | 日本Ae帕瓦株式会社 | Gas insulated electric equipment |
| CN101345156A (en) * | 2007-05-24 | 2009-01-14 | 郑文秀 | Demarcation switch |
| CN201868318U (en) * | 2010-11-04 | 2011-06-15 | 河南省电力公司信阳供电公司 | Double-power high-voltage vacuum breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786174A (en) * | 2017-11-13 | 2019-05-21 | 董绍光 | A kind of breaker |
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Effective date of abandoning: 20161019 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |