CN104037012A - Three-position vacuum arc-extinguishing chamber having insertion type grounding position - Google Patents
Three-position vacuum arc-extinguishing chamber having insertion type grounding position Download PDFInfo
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- CN104037012A CN104037012A CN201410237041.2A CN201410237041A CN104037012A CN 104037012 A CN104037012 A CN 104037012A CN 201410237041 A CN201410237041 A CN 201410237041A CN 104037012 A CN104037012 A CN 104037012A
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- contact
- moving contact
- insulating cylinder
- end plate
- vacuum arc
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- Arc-Extinguishing Devices That Are Switches (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention relates to a three-position vacuum arc-extinguishing chamber having an insertion type grounding position. The three-position vacuum arc-extinguishing chamber comprises an insulating barrel, wherein a static contact and a movable contact are arranged at the two ends of the insulating barrel respectively; contacting ends of the static contact and the movable contact have end plate structures; the bottom of the movable contact end plate is sleeved with a corrugated pipe for sealing; sealing flanges are arranged at the two ends of the insulating barrel; the insulating barrel, the sealing flanges, the static contact, the movable contact and the corrugated pipe construct a vacuum space; a grounding contact is arranged in the insulating barrel; one end of the grounding contact is grounded after passing through the side wall of the insulating barrel; after the movable contact end plate and the static contact end plate are disengaged from each other, the movable contact is contacted with the grounding contact to form reliable electric conduction. The three-position vacuum arc-extinguishing chamber is applied to a three-position vacuum circuit breaker to realize a grounding function on the circuit breaker.
Description
Technical field
The present invention relates to a kind of three station vacuum arc extinguish chambers with plug-in type ground connection station.
Background technology
At existing vacuum interrupter, only have splitting or integrating two stations, when the feeder line side opening circuit is overhauled, need earthing device, the no ground function of breaker body.
Summary of the invention
The problem that the present invention is directed to above-mentioned prior art existence is made improvement, be that technical problem to be solved by this invention is to provide a kind of three station vacuum arc extinguish chambers with plug-in type ground connection station, for three station vacuum circuit-breakers provide core parts, make breaker body there is grounding function, and adopt plug-in type ground connection, ground connection station has contact of earth self-retaining function, has simplified circuit interrupter grounding station operating mechanism.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of three station vacuum arc extinguish chambers with plug-in type ground connection station, comprise insulating cylinder, the two ends of described insulating cylinder are respectively arranged with fixed contact and moving contact, the end that described fixed contact and moving contact contact is tip plate configurations, described moving contact end plate bottom is arranged with the bellows sealing, the two ends of described insulating cylinder are also provided with sealing flange, described insulating cylinder, sealing flange, fixed contact, the common space that forms a vacuum of moving contact and bellows, it is characterized in that: in described insulating cylinder, be provided with grounding contact, described grounding contact is arranged on moving contact end plate bottom, one end of described grounding contact passes ground connection after insulating cylinder sidewall, described grounding contact comprises an annular panel around moving contact, on described annular panel, be provided with several around the metal lobe of moving contact, after described moving contact end plate and fixed contact end plate disengage, in described moving contact end plate insertion metal lobe formation cylindrical cavity, moving contact and grounding contact being formed reliably electrically conducts, the split-type grounding contact being formed by metal lobe, its limb has very large elasticity, can clamp the moving contact end plate inserting.
Further, between described grounding contact and bellows, be provided with the moving contact radome that shrouds bellows.
Further, in described insulating cylinder, be provided with the radome that shrouds fixed contact and moving contact.
Further, described insulating cylinder is ceramic making.
Further, described bellows and moving contact are welded into a whole, described bellows starting sealing function.
Further, described metal lobe is low by resistivity makes with Cu alloy material good springiness.
Compared with prior art, the present invention has following beneficial effect:
The rated short circuit current breaking and making ability 1, with conventional arc control device, also has ground connection station;
2, ground connection station adopts plug-in type contact, does not need the external world that contact pressure is provided, and does not need switch-on latching device during contact of earth, has simplified the structure of three station operating mechanisms;
3, split-type grounding contact Cu alloy material low by resistivity and good springiness is made, and its limb has very large elasticity, can clamp the moving contact end plate of insertion, does not need the external world to provide contact pressure just can carry rated short circuit current.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Accompanying drawing explanation
Fig. 1 is the organigram of the embodiment of the present invention.
Fig. 2 is the vertical view of grounding contact metal lobe in the embodiment of the present invention.
In figure: 1-insulating cylinder, 2-fixed contact, 21-fixed contact end plate, 3-moving contact, 31-moving contact end plate, 4-sealing flange, 5-moving contact radome, 6-bellows, 7-radome, 8-split-type grounding contact, 81-metal lobe.
Embodiment
Embodiment mono-: as shown in Figure 1 and 2, a kind of three station vacuum arc extinguish chambers with plug-in type ground connection station, comprise insulating cylinder 1, the two ends of described insulating cylinder 1 are respectively arranged with fixed contact 2 and moving contact 3, the two ends of described insulating cylinder 1 are also provided with sealing flange 4, described insulating cylinder 1, sealing flange 4, fixed contact 2 and the common space that forms a vacuum of moving contact 3, the end that described fixed contact 2 and moving contact 3 contact is tip plate configurations, in described insulating cylinder 1, be provided with split-type grounding contact 8, described split-type grounding contact 8 comprises an annular panel around moving contact, on described annular panel, be provided with several around the metal lobe 81 of moving contact, after described moving contact end plate 31 disengages with fixed contact end plate 21, moving contact end plate 31 inserts formation in metal lobe 81 formation cylindrical cavities and electrically conducts reliably, one end of described split-type grounding contact 8 passes ground connection after insulating cylinder sidewall.
In the present embodiment, described bellows 6 is welded into a whole with moving contact 3, and bellows moves with moving contact, starting sealing function.
In the present embodiment, for preventing being attached on bellows after switch splitting or integrating lock from producing the metallic vapour condensation that electric arc causes, described split-type grounding contact 8 bottoms are provided with moving contact radome 5, described moving contact radome 5 bottoms are provided with and make moving contact end plate 31 and fixed contact end plate 21 keep separated bellows 6, and described split-type grounding contact 8 is arranged between moving contact end plate 31 and moving contact radome 5.
In the present embodiment, for preventing being attached on insulating cylinder madial wall after switch splitting or integrating lock from producing the metallic vapour condensation that electric arc causes, in described insulating cylinder 1, be provided with the radome 7 around fixed contact 2 and moving contact 3.
In the present embodiment, described insulating cylinder 1 is ceramic making.
In the present embodiment, described metal lobe 81 is low by resistivity to be made with Cu alloy material good springiness.
During use, moving contact disengages with fixed contact under external force, moving contact end plate 31 inserts in metal lobe 81 looping cavitys and forms and electrically conduct, metal lobe 81 forms split-type cylindrical cavity because have elasticity, can directly moving contact end plate 31 be held tightly, do not need the external world that contact pressure is provided, during contact of earth, do not need switch-on latching device, simplified the structure of three station operating mechanisms.
The foregoing is only preferred embodiment of the present invention, all equalizations of doing according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (6)
1. three station vacuum arc extinguish chambers with plug-in type ground connection station, comprise insulating cylinder, the two ends of described insulating cylinder are respectively arranged with fixed contact and moving contact, the end that described fixed contact and moving contact contact is tip plate configurations, described moving contact end plate bottom is arranged with the bellows sealing, the two ends of described insulating cylinder are also provided with sealing flange, described insulating cylinder, sealing flange, fixed contact, the common space that forms a vacuum of moving contact and bellows, it is characterized in that: in described insulating cylinder, be provided with grounding contact, described grounding contact is arranged on moving contact end plate bottom, one end of described grounding contact passes ground connection after insulating cylinder sidewall, described grounding contact comprises an annular panel around moving contact, on described annular panel, be provided with several around the metal lobe of moving contact, after described moving contact end plate and fixed contact end plate disengage, described moving contact end plate inserts in metal lobe formation cylindrical cavity moving contact and grounding contact formation is electrically conducted.
2. three station vacuum arc extinguish chambers with plug-in type ground connection station according to claim 1, is characterized in that: between described grounding contact and bellows, be provided with the moving contact radome that shrouds bellows.
3. three station vacuum arc extinguish chambers with plug-in type ground connection station according to claim 1, is characterized in that: in described insulating cylinder, be provided with the radome that shrouds fixed contact and moving contact.
4. three station vacuum arc extinguish chambers with plug-in type ground connection station according to claim 1, is characterized in that: described insulating cylinder is ceramic making.
5. three station vacuum arc extinguish chambers with plug-in type ground connection station according to claim 1, is characterized in that: described bellows and moving contact are welded into a whole, described bellows starting sealing function.
6. three station vacuum arc extinguish chambers with plug-in type ground connection station according to claim 1, is characterized in that: described metal lobe is low by resistivity to be made with Cu alloy material good springiness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237041.2A CN104037012B (en) | 2014-05-30 | 2014-05-30 | A kind of three station vacuum arc extinguish chambers with plug-in type ground connection station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410237041.2A CN104037012B (en) | 2014-05-30 | 2014-05-30 | A kind of three station vacuum arc extinguish chambers with plug-in type ground connection station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104037012A true CN104037012A (en) | 2014-09-10 |
| CN104037012B CN104037012B (en) | 2016-02-24 |
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| CN201410237041.2A Active CN104037012B (en) | 2014-05-30 | 2014-05-30 | A kind of three station vacuum arc extinguish chambers with plug-in type ground connection station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109427496A (en) * | 2017-08-29 | 2019-03-05 | 沈阳晨源电气有限公司 | A kind of assembling device of vacuum interrupter |
| CN109994219A (en) * | 2017-12-29 | 2019-07-09 | 核工业西南物理研究院 | A kind of double-deck electrification water route penetration piece for fusion reactor atmospheric side |
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| US4107496A (en) * | 1973-12-21 | 1978-08-15 | Hazemeijer B.V. | Vacuum switching apparatus with double interruption and including an interposed barrier |
| DE4445172A1 (en) * | 1994-12-17 | 1996-06-20 | Abb Patent Gmbh | Panel for switching equipment |
| CN1256503A (en) * | 1998-11-27 | 2000-06-14 | 株式会社东芝 | Vacuum switch device |
| CN1416586A (en) * | 2000-06-23 | 2003-05-07 | 西门子公司 | Vacuum interrupter with two contact sysems |
| WO2008006915A1 (en) * | 2006-07-13 | 2008-01-17 | Ormazabal Y Cia, S.A. | Modular encapsulated electrical device for power distribution networks |
| CN101789328A (en) * | 2010-03-25 | 2010-07-28 | 北京双杰电气股份有限公司 | Three-station vacuum arc extinguish chamber for all-solid switch cabinet |
| CN101819904A (en) * | 2010-04-21 | 2010-09-01 | 山东晨鸿电气有限公司 | Three-station vacuum arc extinguish chamber for isolated grounding |
| CN102231345A (en) * | 2011-05-31 | 2011-11-02 | 中国振华电子集团宇光电工有限公司 | Double-chamber three-working position vacuum arc extinguish chamber for solid switch |
| CN202839451U (en) * | 2012-09-27 | 2013-03-27 | 王永法 | Vacuum arc extinguish chamber |
| CN203895353U (en) * | 2014-05-30 | 2014-10-22 | 国家电网公司 | Three-station vacuum arc-extinguishing chamber with inserting type grounding station |
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2014
- 2014-05-30 CN CN201410237041.2A patent/CN104037012B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4107496A (en) * | 1973-12-21 | 1978-08-15 | Hazemeijer B.V. | Vacuum switching apparatus with double interruption and including an interposed barrier |
| DE4445172A1 (en) * | 1994-12-17 | 1996-06-20 | Abb Patent Gmbh | Panel for switching equipment |
| CN1256503A (en) * | 1998-11-27 | 2000-06-14 | 株式会社东芝 | Vacuum switch device |
| CN1416586A (en) * | 2000-06-23 | 2003-05-07 | 西门子公司 | Vacuum interrupter with two contact sysems |
| WO2008006915A1 (en) * | 2006-07-13 | 2008-01-17 | Ormazabal Y Cia, S.A. | Modular encapsulated electrical device for power distribution networks |
| CN101789328A (en) * | 2010-03-25 | 2010-07-28 | 北京双杰电气股份有限公司 | Three-station vacuum arc extinguish chamber for all-solid switch cabinet |
| CN101819904A (en) * | 2010-04-21 | 2010-09-01 | 山东晨鸿电气有限公司 | Three-station vacuum arc extinguish chamber for isolated grounding |
| CN102231345A (en) * | 2011-05-31 | 2011-11-02 | 中国振华电子集团宇光电工有限公司 | Double-chamber three-working position vacuum arc extinguish chamber for solid switch |
| CN202839451U (en) * | 2012-09-27 | 2013-03-27 | 王永法 | Vacuum arc extinguish chamber |
| CN203895353U (en) * | 2014-05-30 | 2014-10-22 | 国家电网公司 | Three-station vacuum arc-extinguishing chamber with inserting type grounding station |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109427496A (en) * | 2017-08-29 | 2019-03-05 | 沈阳晨源电气有限公司 | A kind of assembling device of vacuum interrupter |
| CN109994219A (en) * | 2017-12-29 | 2019-07-09 | 核工业西南物理研究院 | A kind of double-deck electrification water route penetration piece for fusion reactor atmospheric side |
| CN109994219B (en) * | 2017-12-29 | 2024-03-19 | 核工业西南物理研究院 | Double-layer electrified waterway penetrating piece for atmosphere side of fusion reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104037012B (en) | 2016-02-24 |
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Address after: 100030 Beijing Xicheng District West Chang'an Avenue 86 Co-patentee after: FUZHOU TIANYU ELECTRIC Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: 100761 No. 86 Chang'an Street, Xicheng District, Beijing Co-patentee before: FUZHOU TIANYU ELECTRIC Co.,Ltd. Patentee before: State Grid Corporation of China |
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Effective date of registration: 20181218 Address after: 350108 304-A115, 3rd floor, Pioneer Building, 8th East Science and Technology Road, Shangjie Town, Minhou County, Fuzhou City, Fujian Province Patentee after: Fuzhou Xuji Electric Co.,Ltd. Address before: No. 86 West Xicheng District, Beijing, Chang'an Avenue Co-patentee before: FUZHOU TIANYU ELECTRIC Co.,Ltd. Patentee before: State Grid Corporation of China |