WO2014013812A1 - Fusible de câblage électrique - Google Patents

Fusible de câblage électrique Download PDF

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Publication number
WO2014013812A1
WO2014013812A1 PCT/JP2013/065797 JP2013065797W WO2014013812A1 WO 2014013812 A1 WO2014013812 A1 WO 2014013812A1 JP 2013065797 W JP2013065797 W JP 2013065797W WO 2014013812 A1 WO2014013812 A1 WO 2014013812A1
Authority
WO
WIPO (PCT)
Prior art keywords
electric wire
heat spot
covering material
fuse
heat
Prior art date
Application number
PCT/JP2013/065797
Other languages
English (en)
Japanese (ja)
Inventor
朝子 高橋
Original Assignee
矢崎総業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 矢崎総業株式会社 filed Critical 矢崎総業株式会社
Priority to KR1020157004166A priority Critical patent/KR20150038119A/ko
Priority to CN201380038169.XA priority patent/CN104471668A/zh
Publication of WO2014013812A1 publication Critical patent/WO2014013812A1/fr

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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
    • H01H85/055—Fusible members
    • H01H85/06—Fusible members characterised by the fusible material
    • 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
    • H01H85/143—Electrical contacts; Fastening fusible members to such contacts
    • H01H85/157—Ferrule-end contacts

Definitions

  • the present invention relates to a wire fuse that cuts off when a current exceeding the rated value is applied.
  • an electric wire fuse provided with a conductive electric wire part (so-called connecting electric wire) and an insulating covering material covering the electric wire part is disclosed (see Japanese Patent Application Laid-Open No. 8-190809).
  • the electric wire part has a heat spot in which a part of the electric wire part is reduced in diameter.
  • the heat spot has a smaller cross-sectional area than other portions of the electric wire portion.
  • Such a wire fuse is interposed in the circuit on the power source side and the load side through terminals provided at both terminals. And in an electric wire fuse, when an overcurrent is supplied to an electric wire part, since a heat spot increases Joule's calorie
  • an object of the present invention is to provide an electric wire fuse that can prevent the coating material from being melted and prevent deterioration of the heat spot fusing characteristics.
  • a first feature of the present invention is an electric wire fuse including an electric wire portion having a heat spot and a covering material covering the electric wire portion, the covering material being positioned on both outer sides of the heat spot. And a protruding portion that protrudes toward the electric wire portion and contacts the electric wire portion, and the heat spot and the covering material are separated by the protruding portion.
  • the heat spot and the covering material are separated by the protrusion provided on the covering material.
  • a second feature of the present invention is an electric wire fuse according to the first feature of the present invention, wherein a plurality of the protrusions are arranged at intervals along the circumferential direction of the covering material. To do.
  • a plurality of protrusions are arranged at intervals along the circumferential direction of the covering material.
  • a third feature of the present invention is an electric wire fuse according to the first or second feature of the present invention, wherein the protrusions are disposed at both ends of the electric wire part and both sides of the heat spot, respectively. This is characterized by the fact that
  • the protrusions are respectively disposed on both ends of the electric wire portion and on both sides of the heat spot. Therefore, it can prevent reliably that a heat spot and a coating
  • a fourth feature of the present invention is the wire fuse according to the first to third features of the present invention, wherein the heat spot is provided with a low melting point metal made of a metal having a melting point lower than that of the wire portion. This is the gist.
  • the heat spot is provided with a low melting point metal.
  • the low melting point metal diffuses into the heat spot, the resistance value of the heat spot increases, and the temperature rises. For this reason, at the time of a rare short-circuit, the heat spot 11 is reliably melted and the energization of the electric wire portion can be cut off.
  • an electric wire fuse that can prevent the coating material from being melted and prevent deterioration of the heat spot fusing characteristics.
  • FIG. 1 is a perspective view showing an electric wire fuse (other than an exterior tape) according to the present embodiment.
  • 2A and 2B show the electric wire fuse according to the present embodiment, in which FIG. 2A is a plan view, FIG. 2B is a side view, FIG. 2C is a cross-sectional view taken along line AA in FIG. It is a BB sectional view.
  • FIG. 3 is a perspective view showing an electric wire part according to the present embodiment.
  • 4A and 4B show an electric wire portion according to the present embodiment, in which FIG. 4A is a plan view, FIG. 4B is a side view, and FIG. 4C is a cross-sectional view taken along the line CC.
  • FIG. 5 is a perspective view showing a covering material according to the present embodiment.
  • FIG. 6A and 6B show a covering material according to the present embodiment, wherein FIG. 6A is a developed plan view, FIG. 6B is a developed side view, FIG. 6C is a sectional view taken along the line DD, and FIG. It is. (A) to (d) of FIG. 7 is a perspective view showing a manufacturing process of the electric wire fuse according to the present embodiment.
  • FIG. 8 is a perspective view showing an electric wire fuse according to a modified example.
  • FIG.1 and FIG.2 is a figure which shows the electric wire fuse 1 (except the exterior tape 30) which concerns on this embodiment.
  • FIG.3 and FIG.4 is a figure which shows the electric wire part 10 which concerns on this embodiment.
  • FIG.5 and FIG.6 is a figure which shows the coating
  • the electric wire fuse 1 is interposed in the circuit on the power source side and the load side.
  • the electric wire fuse 1 includes an electric wire portion 10 as a fusible body, a covering material 20 that covers the electric wire portion 10, an exterior tape 30 that covers the periphery of the covering material 20, a low melting point metal 40 attached to the electric wire portion 10, and a pair.
  • the round terminal 50 is provided.
  • the electric wire portion 10 is formed by twisting a plurality of copper wires.
  • a heat spot 11 having a smaller cross-sectional area than other portions of the electric wire portion 10 is provided at the central portion of the electric wire portion 10 (that is, the center in the longitudinal direction of the electric wire portion 10).
  • the covering material 20 is formed of a resin such as polypropylene (PP).
  • the covering material 20 includes a protruding portion 21 that protrudes toward the electric wire portion 10 at positions on both outer sides of the heat spot 11 and contacts the electric wire portion 10, and the heat spot 11 and the covering material 20 are separated by the protruding portion 21.
  • a plurality of the protruding portions 21 are arranged at intervals along the circumferential direction of the covering material 20.
  • the protrusions 21 are disposed at both end portions of the electric wire portion 10 (near each round terminal 50).
  • the low melting point metal 40 is formed of a metal (for example, tin or an alloy thereof) having a melting point lower than that of the electric wire portion 10.
  • the low melting point metal 40 is melted by the action (giving) of heat while being placed on the heat spot 11, and is welded to the heat spot 11.
  • Each round terminal 50 is attached to both terminals of the electric wire portion 10 and is connected to a circuit on the power source side and the load side, respectively.
  • Each round terminal 50 includes a terminal main body 51 and a caulking piece 52 (soluble body caulking piece 52A and covering material caulking piece 52B) connected to the terminal main body 51 and caulking and fixing the terminal of the electric wire portion 10. ing.
  • a mounting hole 53 is opened in the terminal body 51.
  • FIG. 7 is a perspective view showing a manufacturing process of the wire fuse 1 according to the present embodiment.
  • protrusions 21 are formed on both sides of the covering material 20.
  • the covering material 20 is rounded to form a cylinder so that the protrusion 21 is on the inside.
  • the covering material 20 is attached so as to cover the periphery of the electric wire portion 10.
  • a tape is wound around the covering material 20.
  • the electric wire fuse 1 is manufactured.
  • the heat spot 11 and the covering material 20 are separated by the protrusion 21 provided on the covering material 20.
  • produced in the heat spot 11 becomes difficult to be transmitted to the coating
  • covering material 20 can be prevented.
  • a plurality of protrusions 21 are arranged at intervals along the circumferential direction of the covering material 20.
  • the protruding portions 21 are disposed at both ends of the electric wire portion 10.
  • covering material 20 which were provided between the both ends of the electric wire part 10 can be spaced apart reliably. For this reason, while preventing the melting loss of the coating
  • the heat spot 11 is provided with a low melting point metal 40.
  • the low melting point metal 40 diffuses into the heat spot 11, the resistance value of the heat spot 11 increases, and the temperature rises. For this reason, at the time of a rare short-circuit, the heat spot 11 is surely melted and the energization of the electric wire portion 10 can be cut off.
  • FIG. 8 is a perspective view showing the electric wire fuse 1 according to the modified example.
  • the protrusions 21 are disposed at both ends of the electric wire portion 10 (near each round terminal 50).
  • the protruding portion 21 includes both end portions of the electric wire portion 10 (near each round terminal 50) and both side portions of the heat spot 11 (that is, the heat spot 11. In the vicinity).
  • positioned at the both sides of the heat spot 11 is each provided, it does not necessarily need to be one and may be provided with two or more.
  • the protrusions 21 are disposed on both ends of the electric wire 10 and on both sides of the heat spot 11, respectively. Thereby, it can prevent reliably that the heat spot 11 and the coating
  • the embodiment of the present invention can be modified as follows.
  • the heat spot 11 has been described as having a smaller cross-sectional area than other portions of the electric wire portion 10, but is not limited to this, and is not the same as the other portions of the electric wire portion 10. It may be an area.
  • positioning location of the heat spot 11 it is not limited to what was demonstrated by embodiment.
  • the low melting point metal 40 may not be provided in the heat spot 11.
  • the heat spot 11 may be provided near any of the round terminals 50.
  • the projection part 21 demonstrated as what was arrange
  • an electric wire fuse capable of preventing melting of the covering material and preventing deterioration of the heat spot fusing characteristics.

Landscapes

  • Fuses (AREA)

Abstract

L'invention porte sur un fusible de câblage électrique (1), lequel fusible comprend une partie fil électrique (10) ayant un point chaud (11), et un matériau de revêtement (20) qui recouvre la partie fil électrique (10). Le matériau de revêtement (20) comprend de plus des parties de saillie (21) dans des emplacements sur les deux côtés externes du point chaud (11) qui font saillie vers la partie fil électrique (10) et qui viennent en contact avec la partie fil électrique (10). Le point chaud (11) et le matériau de revêtement (20) sont maintenus séparés par les parties de saillie (21).
PCT/JP2013/065797 2012-07-18 2013-06-07 Fusible de câblage électrique WO2014013812A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020157004166A KR20150038119A (ko) 2012-07-18 2013-06-07 전선 퓨즈
CN201380038169.XA CN104471668A (zh) 2012-07-18 2013-06-07 电线熔丝

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-159407 2012-07-18
JP2012159407A JP6007010B2 (ja) 2012-07-18 2012-07-18 電線ヒューズ及びその製造方法

Publications (1)

Publication Number Publication Date
WO2014013812A1 true WO2014013812A1 (fr) 2014-01-23

Family

ID=49948647

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/065797 WO2014013812A1 (fr) 2012-07-18 2013-06-07 Fusible de câblage électrique

Country Status (4)

Country Link
JP (1) JP6007010B2 (fr)
KR (1) KR20150038119A (fr)
CN (1) CN104471668A (fr)
WO (1) WO2014013812A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI624852B (zh) * 2015-03-25 2018-05-21 智慧電子股份有限公司 熔斷電阻器及其製造方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6307762B2 (ja) 2014-09-26 2018-04-11 デクセリアルズ株式会社 電線

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61189553U (fr) * 1985-05-18 1986-11-26

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08190809A (ja) * 1995-01-11 1996-07-23 Sumitomo Electric Ind Ltd ヒューズ付き電線
DE19601612A1 (de) * 1996-01-18 1997-07-24 Wickmann Werke Gmbh Verfahren zum Befestigen eines ersten Teils aus Metall oder Keramik an einem zweiten Teil aus Metall oder Keramik
JP4920500B2 (ja) * 2007-06-04 2012-04-18 株式会社マキタ ヒューズ装置、及びそのヒューズ装置を備えるバッテリ
JP5583991B2 (ja) * 2010-03-03 2014-09-03 矢崎総業株式会社 ヒューズ及びヒューズの製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61189553U (fr) * 1985-05-18 1986-11-26

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI624852B (zh) * 2015-03-25 2018-05-21 智慧電子股份有限公司 熔斷電阻器及其製造方法

Also Published As

Publication number Publication date
JP6007010B2 (ja) 2016-10-12
JP2014022172A (ja) 2014-02-03
KR20150038119A (ko) 2015-04-08
CN104471668A (zh) 2015-03-25

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