JP5020560B2 - 切り離し機構付spdおよび製造方法 - Google Patents
切り離し機構付spdおよび製造方法 Download PDFInfo
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- JP5020560B2 JP5020560B2 JP2006198066A JP2006198066A JP5020560B2 JP 5020560 B2 JP5020560 B2 JP 5020560B2 JP 2006198066 A JP2006198066 A JP 2006198066A JP 2006198066 A JP2006198066 A JP 2006198066A JP 5020560 B2 JP5020560 B2 JP 5020560B2
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- varistor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
- H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/102—Varistor boundary, e.g. surface layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/12—Overvoltage protection resistors
- H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
- H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
- H01C7/105—Varistor cores
- H01C7/108—Metal oxide
- H01C7/112—ZnO type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
- H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
- H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
- H01H2037/762—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit using a spring for opening the circuit when the fusible element melts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/08—Indicators; Distinguishing marks
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermistors And Varistors (AREA)
- Fuses (AREA)
Description
2 放電ギャップ
11 電極
12 共通電極
13 引き離し導体
13a 接続部
13b 表示器取付部
13c ばね部
13p 第一ばね力発生部
13q 第二ばね力発生部
13d 固定部
14 低溶融金属合金
15 電極引出し導体
16 高融点半田
20 外部端子
30 収納ケース
m 空間部
30a 第一ケース
30b 第二ケース
31,32 (バリスタの)位置決め手段
33 (切り離し導体の)位置決め手段
40 バリスタユニット
50 表示器
50b 表示板
51 表示窓
60 絶縁被覆材
Claims (4)
- 表面側に交流電路のライン相に接続される複数の電極を有し、裏面側にアース相の共通電極を有する多端子形酸化亜鉛形バリスタと、前記ライン相に対応する複数の前記電極に低溶融金属合金で接合され、前記バリスタの異常発熱による前記低溶融金属合金の溶融時に前記電極から切り離されるばね力を有する切り離し導体と、前記バリスタと前記切り離し導体を位置決め保持して収納する収納ケースを備えたSPDであって、
前記切り離し導体は、前記バリスタの電極に接合される接続部と、この接続部から延在する屈曲したばね部と、このばね部から延在して前記収納ケース内に位置決め保持される固定部を有し、
前記バリスタと前記切り離し導体の接続部を、常温で固形状をなし、前記低溶融金属合金の溶融温度以下でゲル状または液状となる絶縁被覆材で被覆し、
前記収納ケースは、前記切り離し導体を接続した前記バリスタを収納するときに前記切り離し導体のばね部を変位させてばね性を付与した状態でバリスタを位置決め保持する位置決め手段を有することを特徴とする切り離し機構付SPD。 - 前記切り離し導体のばね部は、前記低溶融金属合金の溶融時に、前記接続部を前記バリスタの電極から平行移動的に切り離す第一ばね力発生部および前記接続部を前記第一ばね力発生部を介し前記固定部を基点に回動させて前記バリスタの電極から切り離す第二ばね力発生部を有し、
前記収納ケースは、前記バリスタを挟んで位置決め保持する少なくとも第一ケースおよび第二ケースを有する分割形ケースであり、
前記収納ケース内に、前記切り離し導体の接続部が前記低溶融金属合金の溶融時に前記バリスタの電極から切り離されたことによって前記バリスタの異常発熱を表示する表示器を配設し、前記収納ケースに、前記表示器の表示状態がケース外部から視認可能な表示窓を設けた、
ことを特徴とする請求項1に記載の切り離し機構付SPD。 - 前記収納ケース内に、前記低溶融金属合金の溶融時に前記切り離し導体の接続部とばね部が、ばね部の復元ばね力で変位するのを許容する空間部を形成したことを特徴とする請求項1または2に記載の切り離し機構付SPD。
- 表面側に交流電路のライン相に接続される複数の電極を有し、裏面側にアース相の共通電極を有する多端子形酸化亜鉛形バリスタと、前記ライン相に対応する複数の前記電極に低溶融金属合金で接合され、前記バリスタの異常発熱による前記低溶融金属合金の溶融時に前記電極から切り離されるばね力を有する切り離し導体と、前記バリスタと前記切り離し導体を位置決め保持して収納する収納ケースを備えたSPDの製造方法で、
前記酸化亜鉛形バリスタの前記アース相に対応する電極に前記電極引出し導体を200℃以上の高融点半田で接続する接続工程と、この接続工程の後で前記バリスタの前記ライン相に対応する電極に、融点が常温以上で200℃以下の低溶融金属合金で前記切り離し導体を接続する接続工程を有することを特徴とする切り離し機構付SPDの製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006198066A JP5020560B2 (ja) | 2006-07-20 | 2006-07-20 | 切り離し機構付spdおよび製造方法 |
PCT/JP2007/063273 WO2008010410A1 (fr) | 2006-07-20 | 2007-07-03 | SPD avec fonction de déconnexion et son procédé de fabrication |
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---|---|---|---|
JP2006198066A JP5020560B2 (ja) | 2006-07-20 | 2006-07-20 | 切り離し機構付spdおよび製造方法 |
Publications (2)
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JP2008028089A JP2008028089A (ja) | 2008-02-07 |
JP5020560B2 true JP5020560B2 (ja) | 2012-09-05 |
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JP2006198066A Active JP5020560B2 (ja) | 2006-07-20 | 2006-07-20 | 切り離し機構付spdおよび製造方法 |
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JP (1) | JP5020560B2 (ja) |
WO (1) | WO2008010410A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2689299C2 (ru) * | 2014-06-20 | 2019-05-27 | Абб Франс | Устройство для защиты электрооборудования |
US10855075B2 (en) | 2017-11-15 | 2020-12-01 | Fanuc Corporation | Surge protective circuit and surge protective device |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101000755B1 (ko) | 2008-06-18 | 2010-12-13 | 김정수 | 배리스터 장치 |
JP2010211928A (ja) * | 2009-03-06 | 2010-09-24 | Otowa Denki Kogyo Kk | 遮断板付spd |
EP2541579B1 (en) * | 2011-06-30 | 2015-11-04 | Epcos Ag | Electric device |
DE102013217407B3 (de) * | 2013-09-02 | 2015-01-08 | Phoenix Contact Gmbh & Co. Kg | Überspannungsschutzvorrichtung mit thermischer Schalteinrichtung |
FR3022681B1 (fr) * | 2014-06-20 | 2016-07-01 | Abb France | Agencement d'un dispositif de protection d'une installation electrique |
JP6052447B1 (ja) | 2016-02-18 | 2016-12-27 | 富士ゼロックス株式会社 | 定着装置及び画像形成装置 |
JP6057009B1 (ja) | 2016-06-02 | 2017-01-11 | 富士ゼロックス株式会社 | 定着装置及び画像形成装置 |
CN110349721A (zh) | 2018-04-04 | 2019-10-18 | 爱普科斯电子元器件(珠海保税区)有限公司 | 热保护装置 |
WO2020018746A1 (en) * | 2018-07-18 | 2020-01-23 | Hubbell Incorporated | Voltage-dependent resistor device for protecting a plurality of conductors against a power surge |
Family Cites Families (11)
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JPS5030587Y1 (ja) * | 1970-12-26 | 1975-09-08 | ||
JPS5076551A (ja) * | 1973-11-12 | 1975-06-23 | ||
JPS5895147U (ja) * | 1981-12-18 | 1983-06-28 | 松下電器産業株式会社 | 断路表示機構付サ−ジ吸収器 |
JPS6318737U (ja) * | 1986-07-23 | 1988-02-06 | ||
JPS63187307U (ja) * | 1987-05-23 | 1988-11-30 | ||
JPH08138827A (ja) * | 1994-11-14 | 1996-05-31 | Sankooshiya:Kk | サージ吸収器 |
JP3993256B2 (ja) * | 1996-05-08 | 2007-10-17 | ニチコン株式会社 | 過電圧・過電流保護装置 |
JPH11213852A (ja) * | 1998-01-28 | 1999-08-06 | Nec Kansai Ltd | 電流ヒューズ |
JP2001243871A (ja) * | 2000-02-28 | 2001-09-07 | Daito Communication Apparatus Co Ltd | ヒューズ装置 |
JP2002110010A (ja) * | 2000-09-27 | 2002-04-12 | Nec Schott Components Corp | 保護素子 |
JP2003229303A (ja) * | 2002-02-05 | 2003-08-15 | Nippon Chemicon Corp | 電圧非直線性抵抗器及びその製造方法 |
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- 2006-07-20 JP JP2006198066A patent/JP5020560B2/ja active Active
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- 2007-07-03 WO PCT/JP2007/063273 patent/WO2008010410A1/ja active Application Filing
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2689299C2 (ru) * | 2014-06-20 | 2019-05-27 | Абб Франс | Устройство для защиты электрооборудования |
US10855075B2 (en) | 2017-11-15 | 2020-12-01 | Fanuc Corporation | Surge protective circuit and surge protective device |
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Publication number | Publication date |
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WO2008010410A1 (fr) | 2008-01-24 |
JP2008028089A (ja) | 2008-02-07 |
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