JP6367178B2 - ヒューズ - Google Patents
ヒューズ Download PDFInfo
- Publication number
- JP6367178B2 JP6367178B2 JP2015500342A JP2015500342A JP6367178B2 JP 6367178 B2 JP6367178 B2 JP 6367178B2 JP 2015500342 A JP2015500342 A JP 2015500342A JP 2015500342 A JP2015500342 A JP 2015500342A JP 6367178 B2 JP6367178 B2 JP 6367178B2
- Authority
- JP
- Japan
- Prior art keywords
- fusing
- fuse
- fusing parts
- parts
- virtual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000011810 insulating material Substances 0.000 claims description 9
- 239000004576 sand Substances 0.000 claims description 4
- 238000010292 electrical insulation Methods 0.000 claims description 3
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/18—Casing fillings, e.g. powder
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/0411—Miniature fuses
- H01H85/0415—Miniature fuses cartridge type
- H01H85/0418—Miniature fuses cartridge type with ferrule type end contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
- H01H85/08—Fusible members characterised by the shape or form of the fusible member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
- H01H85/12—Two or more separate fusible members in parallel
Landscapes
- Fuses (AREA)
Description
3 消弧砂
5 筒体
7 ヒューズエレメント
71A乃至71D 溶断部
73A乃至73E 非溶断部
74 延伸部
9,11 キャップ状電極
13 絶縁材料
15 外装容器
Claims (3)
- 所定の幅寸法を有する3個以上の溶断部と前記溶断部の前記幅寸法よりも長い幅寸法を有し前記溶断部の数よりも多い4個以上の非溶断部が、仮想中心線に沿って交互に並ぶように配置されてなる金属製のヒューズエレメントを備えたヒューズであって、
前記3個以上の溶断部は、それぞれ前記仮想中心線と交差する仮想交差線に沿って延びるように形成されており、
前記3個以上の溶断部のうち中央領域に位置する1以上の前記溶断部の前記仮想交差線に沿う方向の長さ寸法が、他の2以上の前記溶断部の前記仮想交差線に沿う方向の長さ寸法よりも長く、
前記4個以上の非溶断部には、隣り合う他の前記非溶断部に向かって延びる延伸部がそれぞれ一体に形成されており、
前記延伸部は、前記溶断部が溶断される前に、前記溶断部及び前記他の非溶断部との間で放電を発生しない形状を有しており、
前記溶断部の幅寸法は一定であり、且つ前記延伸部は前記溶断部との間の最短距離が変化しない形状を有していることを特徴とするヒューズ。 - 前記3個以上の溶断部のために仮想した3本以上の前記仮想交差線と前記仮想中心線との間の角度が同一であることを特徴とする請求項1に記載のヒューズ。
- 内部に消弧砂が充填された絶縁性の筒体と、前記筒体の両端部にそれぞれ嵌合され且つ前記ヒューズエレメントと電気的に接続される一対のキャップ状電極とからなる外装容器を更に備えており、
前記筒体の開口部と対向する前記キャップ状電極の底壁部は、電気絶縁性を有する絶縁材料によって覆われている請求項1または2に記載のヒューズ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013028924 | 2013-02-18 | ||
JP2013028924 | 2013-02-18 | ||
PCT/JP2014/053804 WO2014126259A1 (ja) | 2013-02-18 | 2014-02-18 | ヒューズ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018127846A Division JP6547044B2 (ja) | 2013-02-18 | 2018-07-04 | ヒューズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2014126259A1 JPWO2014126259A1 (ja) | 2017-02-02 |
JP6367178B2 true JP6367178B2 (ja) | 2018-08-01 |
Family
ID=51354257
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015500342A Active JP6367178B2 (ja) | 2013-02-18 | 2014-02-18 | ヒューズ |
JP2018127846A Active JP6547044B2 (ja) | 2013-02-18 | 2018-07-04 | ヒューズ |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018127846A Active JP6547044B2 (ja) | 2013-02-18 | 2018-07-04 | ヒューズ |
Country Status (2)
Country | Link |
---|---|
JP (2) | JP6367178B2 (ja) |
WO (1) | WO2014126259A1 (ja) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2181825A (en) * | 1936-03-26 | 1939-11-28 | Chase Shawmut Co | Electric fuse |
US4041435A (en) * | 1974-10-01 | 1977-08-09 | Mcgraw-Edison Company | Protector for electric circuit |
JPS56136427A (en) * | 1981-03-11 | 1981-10-24 | Ito Yoshinari | Method of producing fusible material for fuse |
JP2010257623A (ja) * | 2009-04-22 | 2010-11-11 | Taiheiyo Seiko Kk | ヒューズ |
-
2014
- 2014-02-18 JP JP2015500342A patent/JP6367178B2/ja active Active
- 2014-02-18 WO PCT/JP2014/053804 patent/WO2014126259A1/ja active Application Filing
-
2018
- 2018-07-04 JP JP2018127846A patent/JP6547044B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2018152359A (ja) | 2018-09-27 |
JP6547044B2 (ja) | 2019-07-17 |
WO2014126259A1 (ja) | 2014-08-21 |
JPWO2014126259A1 (ja) | 2017-02-02 |
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