JP6051142B2 - 真空バルブ用電気接点およびその製造方法 - Google Patents
真空バルブ用電気接点およびその製造方法 Download PDFInfo
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- JP6051142B2 JP6051142B2 JP2013219736A JP2013219736A JP6051142B2 JP 6051142 B2 JP6051142 B2 JP 6051142B2 JP 2013219736 A JP2013219736 A JP 2013219736A JP 2013219736 A JP2013219736 A JP 2013219736A JP 6051142 B2 JP6051142 B2 JP 6051142B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/24—After-treatment of workpieces or articles
- B22F3/26—Impregnating
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- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/09—Mixtures of metallic powders
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- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/12—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of wires
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0425—Copper-based alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/045—Alloys based on refractory metals
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/04—Alloys based on tungsten or molybdenum
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C30/00—Alloys containing less than 50% by weight of each constituent
- C22C30/02—Alloys containing less than 50% by weight of each constituent containing copper
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
- H01H33/6643—Contacts; Arc-extinguishing means, e.g. arcing rings having disc-shaped contacts subdivided in petal-like segments, e.g. by helical grooves
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/10—Inert gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2201/00—Treatment under specific atmosphere
- B22F2201/20—Use of vacuum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/10—Copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/20—Refractory metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2201/00—Contacts
- H01H2201/022—Material
- H01H2201/03—Composite
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2205/00—Movable contacts
- H01H2205/002—Movable contacts fixed to operating part
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Powder Metallurgy (AREA)
- Contacts (AREA)
Description
Claims (9)
- MoとCrとCuとを含む母相中に、Cuを含む凝集相が分散した電気接点において、
前記凝集相の最大粒径が4〜20μmの範囲にあり、
前記電気接点全体のCu量をWtとしたときの前記母相中のCu量はC×Wtで表され、Cは0.54〜0.81の範囲にあることを特徴とする電気接点。 - 請求項1において、前記電気接点全体の組成が40〜60重量%のMoと、10〜20重量%のCrと、残部がCuおよび不可避の不純物とからなることを特徴とする電気接点。
- 請求項1または2において、前記母相の結晶粒径は、4μm未満であることを特徴とする電気接点。
- 請求項1乃至3の何れかにおいて、前記凝集相中のCu量は、前記電気接点全体の20重量%以下であることを特徴とする電気接点。
- 円盤形状の請求項1乃至4の何れかの電気接点と、前記電気接点の一方の面に設けられた電極棒とを備えることを特徴とする電極。
- 真空容器内に一対の固定側電極及び可動側電極を備えた真空バルブにおいて、前記固定側電極及び可動側電極の少なくとも一方が、請求項5の電極であることを特徴とする真空バルブ。
- 請求項6の真空バルブを導体によって直列に複数接続し、前記可動側電極を駆動する開閉手段を備えることを特徴とする電力開閉器。
- MoとCrとCuとを含む電気接点の製造方法において、
Mo粉末とCr粉末の混合粉を加圧成形して圧粉体を形成する工程と、溶融したCuを前記圧粉体に含浸する工程とを含むことを特徴とする電気接点の製造方法。 - 請求項8において、前記溶融したCuを前記圧粉体に含浸する工程は、不活性ガス雰囲気下または減圧下で行うことを特徴とする電気接点の製造方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013219736A JP6051142B2 (ja) | 2013-10-23 | 2013-10-23 | 真空バルブ用電気接点およびその製造方法 |
PCT/JP2014/073429 WO2015060022A1 (ja) | 2013-10-23 | 2014-09-05 | 真空バルブ用電気接点およびその製造方法 |
KR1020157036395A KR20160013153A (ko) | 2013-10-23 | 2014-09-05 | 진공 밸브용 전기 접점 및 그 제조 방법 |
EP14856560.9A EP3062327A1 (en) | 2013-10-23 | 2014-09-05 | Electrical contact for vacuum valve and process for producing same |
CN201480035785.4A CN105324828A (zh) | 2013-10-23 | 2014-09-05 | 真空阀用电接点及其制造方法 |
US14/900,240 US20160141126A1 (en) | 2013-10-23 | 2014-09-05 | Electrical Contact for Vacuum Interrupter and Process for Producing Same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013219736A JP6051142B2 (ja) | 2013-10-23 | 2013-10-23 | 真空バルブ用電気接点およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015082402A JP2015082402A (ja) | 2015-04-27 |
JP6051142B2 true JP6051142B2 (ja) | 2016-12-27 |
Family
ID=52992627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013219736A Active JP6051142B2 (ja) | 2013-10-23 | 2013-10-23 | 真空バルブ用電気接点およびその製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160141126A1 (ja) |
EP (1) | EP3062327A1 (ja) |
JP (1) | JP6051142B2 (ja) |
KR (1) | KR20160013153A (ja) |
CN (1) | CN105324828A (ja) |
WO (1) | WO2015060022A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9842713B2 (en) * | 2016-03-30 | 2017-12-12 | Eaton Corporation | Vacuum circuit interrupter |
JP6781514B2 (ja) * | 2016-04-22 | 2020-11-04 | 株式会社日立製作所 | ガス遮断器、及びガス絶縁開閉装置用遮断器 |
US10923298B1 (en) * | 2020-04-02 | 2021-02-16 | Eaton Intelligent Power Limited | Compact pole unit for fast switches and circuit breakers |
KR102372776B1 (ko) * | 2020-10-26 | 2022-03-10 | 한국생산기술연구원 | Cu-Cr-Mo에 세라믹을 포함한 전기접점소재 제조방법 |
CN117802378B (zh) * | 2024-02-29 | 2024-04-30 | 东北大学 | 一种具有多尺度结构的钨铜复合材料及其制备方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5697150A (en) * | 1993-07-14 | 1997-12-16 | Hitachi, Ltd. | Method forming an electric contact in a vacuum circuit breaker |
JP2874522B2 (ja) * | 1993-07-14 | 1999-03-24 | 株式会社日立製作所 | 真空遮断器及びそれに用いる真空バルブと真空バルブ用電極並びにその製造法 |
JPH1012103A (ja) * | 1996-06-21 | 1998-01-16 | Hitachi Ltd | 真空遮断器及びそれに用いる真空バルブと電気接点 |
JP4404980B2 (ja) * | 1999-02-02 | 2010-01-27 | 芝府エンジニアリング株式会社 | 真空バルブ |
JP2002075143A (ja) * | 2000-09-04 | 2002-03-15 | Hitachi Ltd | 真空遮断器に用いる真空バルブ用電極及びその製造方法 |
US20090145883A1 (en) * | 2005-04-16 | 2009-06-11 | Abb Technology Ag | Method for Producing Contact Makers for Vacuum Switching Chambers |
US8314355B2 (en) * | 2005-05-20 | 2012-11-20 | Mitsubishi Electric Corporation | Gas insulated breaking device |
CN101617376B (zh) * | 2006-12-15 | 2011-08-24 | Abb研究有限公司 | 触点元件 |
JP2009158216A (ja) * | 2007-12-26 | 2009-07-16 | Japan Ae Power Systems Corp | 真空遮断器の電極接点部材及びその製造方法 |
JP5614708B2 (ja) * | 2010-06-24 | 2014-10-29 | 株式会社明電舎 | 真空遮断器用電極材料の製造方法及び真空遮断器用電極材料 |
WO2011162398A1 (ja) * | 2010-06-24 | 2011-12-29 | 株式会社日本Aeパワーシステムズ | 真空遮断器用電極材料の製造方法、真空遮断器用電極材料及び真空遮断器用電極 |
-
2013
- 2013-10-23 JP JP2013219736A patent/JP6051142B2/ja active Active
-
2014
- 2014-09-05 KR KR1020157036395A patent/KR20160013153A/ko active IP Right Grant
- 2014-09-05 EP EP14856560.9A patent/EP3062327A1/en not_active Withdrawn
- 2014-09-05 CN CN201480035785.4A patent/CN105324828A/zh active Pending
- 2014-09-05 US US14/900,240 patent/US20160141126A1/en not_active Abandoned
- 2014-09-05 WO PCT/JP2014/073429 patent/WO2015060022A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN105324828A (zh) | 2016-02-10 |
KR20160013153A (ko) | 2016-02-03 |
JP2015082402A (ja) | 2015-04-27 |
WO2015060022A1 (ja) | 2015-04-30 |
EP3062327A1 (en) | 2016-08-31 |
US20160141126A1 (en) | 2016-05-19 |
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