CN1332466A - Temperature fuse and lead wire conductor for same - Google Patents

Temperature fuse and lead wire conductor for same Download PDF

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Publication number
CN1332466A
CN1332466A CN00134689A CN00134689A CN1332466A CN 1332466 A CN1332466 A CN 1332466A CN 00134689 A CN00134689 A CN 00134689A CN 00134689 A CN00134689 A CN 00134689A CN 1332466 A CN1332466 A CN 1332466A
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CN
China
Prior art keywords
conductor
leading
welding
metal alloy
fusible metal
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.)
Granted
Application number
CN00134689A
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Chinese (zh)
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CN1172343C (en
Inventor
浅见芳男
加藤伸一
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SAFETY ELECTRIC IMPLEMENT CO Ltd
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SAFETY ELECTRIC IMPLEMENT CO Ltd
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Publication of CN1332466A publication Critical patent/CN1332466A/en
Application granted granted Critical
Publication of CN1172343C publication Critical patent/CN1172343C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective 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
    • H01H85/02Details
    • H01H85/04Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05Component parts thereof
    • H01H85/143Electrical contacts; Fastening fusible members to such contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00Thermally-actuated switches
    • H01H37/74Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/761Contact 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective 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
    • H01H85/02Details
    • H01H85/04Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05Component parts thereof
    • H01H85/165Casings
    • H01H85/175Casings characterised by the casing shape or form
    • H01H85/1755Casings characterised by the casing shape or form composite casing

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  • Fuses (AREA)

Abstract

The present invention provided a reed conductor for a thermal fuse and a thermal fuse which uses the reed conductor wherein the influence of welding on fusible alloy due to oxidation is reduced. This is the reed conductor which has a constitution that a metal 2 for the fusible alloy welding which is hard to receive the influence of oxidation by the time lapse is installed on a surface of a tip end part, and is welded to the fusible alloy 10. In addition, this reed conductor 1 is housed in a thin-type insulator case, and the thermal fuse has an improved assembling property at the time of assembling and an improved tensile strength of the reed conductor 1 after assembling.

Description

Temperature fuse is with leading-in conductor and temperature fuse
The present invention relates to lead-in wire (リ-De) conductor that thin temperature fuse uses and the fuse that uses this leading-in conductor.
As temperature fuse,, along with miniaturization, the slimming of machinery, for example use slim temperature fuse at large recently though generally use a kind of temperature fuse cylindraceous that is called a type widely.
The leading-in conductor that is used in this temperature fuse also is formed band shape.
No. 11-40026, Japanese patent laid-open have been disclosed in as above-mentioned leading-in conductor.Fig. 9 represents the oblique view of this leading-in conductor 1 '.
Above-mentioned leading-in conductor 1 ' is on the leading section surface by the formed leading-in conductor 1 ' of nickel copper conductor 2 ' to be set and to constitute.
Yet, use copper conductor 2 ' to exist, with the become problem of difficulty of the welding of fusible metal alloy because the variation of time causes its surface oxidation.
The present invention In view of the foregoing proposes, and its objective is provides a kind of its can alleviate because the influence to the welding of fusible metal alloy that oxidation produces.
Again, and when using this leading-in conductor fitting temperature fuse, provide a kind of temperature fuse, it has good assembling, and improves the tensile strength of the leading-in conductor after the assembling.
To achieve the object of the present invention, the present invention takes following technical scheme:
A kind of temperature fuse leading-in conductor, it is slim temperature fuse leading-in conductor, it is characterized in that:
On elongated lamellar leading-in conductor 1,100 leading section surfaces, be provided with metal 2, this metal 2 is not easy to be subjected to because the influence to the welding of fusible metal alloy that oxidation produces.
A kind of temperature fuse leading-in conductor is characterized by:
Leading-in conductor 1,100 and the combination that is not easy to be subjected to produce to the metal 2 of the welding influence of welding alloy because of oxidation, wherein, leading-in conductor the 1, the 100th is made of copper or copper alloy, and the fusible metal alloy welding is by tin with metal 2 or is silver-coloredly constituted;
Perhaps, described leading-in conductor the 1, the 100th, by iron or ferroalloy, the fusible metal alloy welding is made of tin or silver with metal 2;
Perhaps, described leading-in conductor the 1, the 100th, by aluminum or aluminum alloy, the fusible metal alloy welding is made of tin or silver with metal 2.
A kind of temperature fuse leading-in conductor, its feature is being:
Elongated lamellar leading-in conductor 1,100 leading sections in nickel or nickel alloy formation, be provided with between the pair of lead wires conductor 100 of the metal 2 that the fusible metal alloy welding uses, welding fusible metal alloy 10, and above-mentioned fusible metal alloy 10 is provided in a side of by in insulated substrate 4 and the lid 5 thin type insulators that constitute.
A kind of temperature fuse, it is on the insulated substrate 4 that constitutes the thin type insulator, leading section is had the fusible metal alloy welding uses the pair of lead wires conductor 1,100 of metal 2 to be provided with at certain intervals, 1,100 of above-mentioned leading-in conductors above-mentioned fusible metal alloy 10 is set, be provided with thereon and cover 5, it is characterized in that:
On above-mentioned insulated substrate 4, being formed with passes through along its length direction is equipped with the banded recess 6 of above-mentioned leading-in conductor 1,100 and fusible metal alloy 10,
Be formed with the double fixedly teat 7 of usefulness in leading-in conductor location respectively at above-mentioned recess 6 both ends,
Above-mentioned leading-in conductor 1,100 be formed with can be chimeric with above-mentioned teat 7 installing hole 3.
The present invention is slim temperature fuse leading-in conductor, it is characterized by: at the end surface of elongated laminal leading-in conductor 1,100, it is not easy installing metal 2 to be subjected to because the welding influence to fusible metal alloy that oxidation produces.
In order to achieve the above object, adopted following formation:
In addition, above-mentioned leading-in conductor 1,100 be not easy to be subjected to because the combination of the metal 2 of the welding influence of the fusible metal alloy that oxidation produces is a leading-in conductor 1,100th, copper or copper alloy, the metal 2 that the fusible metal alloy welding is used is to be made of tin or silver,
Or
Leading-in conductor 1,100th, iron or ferroalloy, the fusible metal alloy welding is to be made of tin or silver with metal 2,
Or,
Leading-in conductor 1,100th, aluminum or aluminum alloy, the metal 2 that the fusible welding is used is to be made of tin or silver,
In addition, at nickel or formed elongated laminal leading-in conductor 1 leading section of nickel alloy, be provided with between the pair of lead wires conductor 1 of the metal 2 that a pair of fusible metal alloy welding uses the welding fusible metal alloy, and above-mentioned fusible metal alloy 10 is located at by in insulated substrate 4 and the formed thin isolation body of lid.
And, temperature fuse of the present invention, be on the insulated substrate 4 of the thin type insulator that constitutes, be arranged on leading section at certain intervals and have the pair of lead wires conductor 1 of fusible metal alloy welding with metal 2, above-mentioned fusible metal alloy 10 is set before this leading-in conductor, lid 5 formed thin type temperature fuses are set thereon
It is characterized by:
Pass through along its length direction in above-mentioned insulated substrate 4, formation is provided with above-mentioned leading-in conductor 1, the banded recess 6 of fusible metal alloy 10, form the leading-in conductor location fixedly teat 7 of usefulness of holding concurrently respectively at above-mentioned recess 6 two ends, in above-mentioned leading-in conductor 1 be formed with can be chimeric with above-mentioned teat 7 erection opening 3.
Effect of the present invention:
According to foregoing invention, be provided with the metal that fusible metal alloy welding that contact site with fusible metal alloy is difficult for oxidated influence is used in leading-in conductor, so welding rapidly.
Form erection opening at leading-in conductor, if form the teat that the positioning and fixing chimeric with it used in insulated substrate, except have the advantage that can carry out leading-in conductor and fusible metal alloy welding apace, the assembling of the temperature fuse when leading-in conductor is installed is also by venereal disease.In addition, after the assembling, the tensile strength of leading-in conductor also because of the installing hole protuberance of chimeric leaded conductor, can will improve more.
Following with reference to the description of drawings embodiments of the invention.
Fig. 1 (a) is the plane graph of an embodiment of leading-in conductor of the present invention, (b) is its side view.
Fig. 2 is the oblique view of the foregoing description.
Fig. 3 is the example of insulated substrate that the leading-in conductor of one embodiment of the invention is housed, and (a) is plane graph, (b) is the A-A line sectional arrangement drawing among (a) figure, (a) is right hand view, (d) is front elevation.
Fig. 4 represents leading-in conductor is loaded on the plane graph of insulated substrate.
Fig. 5 (a) is the plane graph that lid 5 is installed on insulated substrate, (b) is the profile of B in (a)-B line, (c) is right hand view, (d) is front elevation.
Fig. 6 is the Assembly Instruction Device figure of expression temperature fuse.
Fig. 7 is that the part of the complete finished product of expression temperature fuse sections plane graph.
Fig. 8 is the plane graph of other embodiment of the present invention.
Fig. 9 is an example of expression prior art.
Fig. 1 (a) and (b) and Fig. 2 represent one embodiment of the invention.Wherein Fig. 1 (a) represents the plane graph of the leading-in conductor relevant with one embodiment of the invention, and Fig. 1 (b) represents its side view, and Fig. 2 represents its oblique view.
In these figure, the 1st, thin and become the leading-in conductor of elongate, be provided with fusible metal alloy welding metal 2 on the leading section surface of this leading-in conductor 1, even its with when the fusible metal alloy welding, carry out oxidation, but the metal or the copper that are not easy to be subjected to oxidation affects are compared, because the variation of time and the surface is not easy to be subjected to oxidation affects.Become the weld of fusible metal alloy at the thin metal 2 of end surface before this.The 3rd, look the installing hole that it need form, be formed on and be provided with the fusible metal alloy welding with the leading section of metal 2 outside slightly.
Be arranged on the combination of the fusible metal alloy welding on leading-in conductor 1 and its leading section surface, such as being following situation with metal 2.In addition, leading-in conductor 1 is looked the needs of the plating of tin (Sn), nickel (Ni), silver (Ag) etc. according to the material of the material character of the fuse position that leading-in conductor 1 is installed.
Leading-in conductor fusible metal alloy welding metal
1. nickel alloy tin (Sn) such as nickel (Ni) or alloy or silver (Ag)
2. copper (Cu) or copper alloy tin (Sn) or silver (Ag)
3. iron (Fe) or ferroalloy tin (Sn) or silver (Ag)
4. aluminium alloy tin (Sn) such as aluminium (Al) or alloy or silver (Ag)
In above-mentioned record, when metal 2 was tin, Yin Xi and fusible metal alloy were identical elements, so, fused together with oxide when welding even produce oxidation, therefore, be not easy to be subjected to the influence of oxidation, apace welding.
In addition, silver-colored and existing copper is compared the influence that is not easy to be subjected to oxidation.
When leading-in conductor 1 is provided with metal 2, for example, can use the method for fusion plating, plating, vacuum metallizing, roll etc.
The temperature fuse insulated substrate 4 of leading-in conductor 1 is equipped with in the 3rd (a)~(d) expression.
This insulated substrate 4 is by pottery, and insulative resin formed products etc. form, and together constitute the thin type insulator with lid 5 described later in Fig. 5.The 6th, the leading-in conductor 1 of the band shape that forms from one end 6a to other end 6b along insulated substrate 4 length directions and recess with fusible metal alloy is set.Be formed with into the double fixedly teat 7 of usefulness in leading-in conductor location of short cylinder at these recess 6 two ends.In addition, be formed with for example teat 8 of rectangularity up and down what be equivalent to recess 6 central portion both sides.Therefore, the width of the longitudinal direction of recess 6 central portions is because at the teat 8 of the rectangular-shaped horizontal length that forms respectively up and down and narrowed width.The 9th, on the recess 6 avris and down the lid that forms respectively of avris install and use teat.This teat 9 be from insulated substrate 4 one end 6a inboard slightly to other end 6b front along the top, following length direction and forming.
Fig. 4 is illustrated in the pair of lead wires conductor 1 that the recess 6 of above-mentioned insulated substrate 4 is installed at certain intervals, and cross-over connection is installed in the state of the narrowed width part low melting point fusible metal alloy 10 of being located at recess 6.
Leading-in conductor 1 fore-end that becomes band is incorporated in the recess 6, with recess 6 about identical width dimensions, teat 7 have can be chimeric erection opening 3.Therefore, with the teat 7 of hole 3,, just can position leading-in conductor 1 in recess 6 precalculated positions easily if can be chimeric in this hole 3 in alignment with insulated substrate 4.In addition, leading-in conductor 1 front end contacts and is positioned with teat 8.Be provided with low melting point fusible metal alloy 10 to be located at respectively between the pair of right and left leading-in conductor 1 above the insulated substrate 4, and be coated with the flux that rosin is again.At this moment, though by the scolding tin welding with leading-in conductor 1 and fusible metal alloy 10 weldings, the fusible metal alloy welding that is made of tin is fused apace because scolding tin is warm with metal 2 and the former positively can be connected.
Fig. 5 (a)~(d) expression covers the lid 5 above the insulated substrate 4 that is provided with leading-in conductor 1 grade.
Above-mentioned lid 5 is by pottery, formation such as insulative resin formed products, and its inner face is to cover the corresponding concaveconvex shapes that form above the insulated substrate 4.
That is, the inner face peripheral part of lid 5 forms heavy wall in the edge shape, at the rectangular box-like groove 21 of its heavy wall 11 formation with the teat 9 chimeric usefulness of insulated substrate 4 built-up welding.Again, be formed with the recess 23 of the rectangle of growing crosswise in ditch 12 inboards, from then on recess 13 both sides to above-mentioned ditch 12 be formed with can be chimeric with the teat 7 of insulated substrate 4 recess 13a.
During assembling, as shown in Figure 6, pair of lead wires conductor 1 etc. is installed on insulated substrate 4 as mentioned above, is connected, cover from the top and insulated substrate 4 gets final product with the lid 5 of shape with fusible metal alloy 10 shown in Figure 4.At this moment, sealant such as injection ring epoxy resins in lid 5 ditch 12.In recess 13a, accommodate teat 7, but because ditch 12 because of being at the lid 5 inboard rectangles that form, so unnecessary sealant is flowed away, can prevent the sagging of liquid.
In addition, form,, can guarantee abundant intensity so contact area is big owing to almost being in contact with one another with each jogs of lid 5 inner faces above the insulated substrate 4.
In addition, because the hole 3 of leading-in conductor 1 is chimeric with the teat 7 of insulated substrate 4, so, have abundant tensile strength, can be not crooked during use, can not come off even draw yet.
Fig. 7 is the plane graph of the temperature fuse after the aforesaid assembling.To cover 5 parts in the drawings and open and represented in order to see internal structure clearly.The flux 14 that is coated with rosin is on fusible metal alloy 10 has shown purposes such as anti-oxidation, cleaning, wettability.
And, in the above-described embodiments, also can be the insulated substrate 4 that does not have teat 7.At this moment, just needn't form erection opening 3.
In addition, insulated substrate 4 or 5 is not only to be defined in illustrated example, can certainly be other suitable shapes.
Fig. 8 represents other shape examples of leading-in conductor 100 of the present invention.In this example, be formed with near leading-in conductor 100 leading sections in the necking down 101 of the positioning and fixing when about edge substrate (not shown) is installed, and, be provided with fusible metal alloy welding metal 2 on leading section surface with the fusible metal alloy welding.In addition, its installation portion that need form suitable shape 102 is looked in leading-in conductor 100 opposition side ends, and looks it and need form erection opening 103.
Effect of the present invention:
According to foregoing invention, the contact site that is provided with fusible metal alloy in leading-in conductor is difficult for oxidated The metal that the fusible metal alloy welding of impact is used is so rapidly welding.
Form erection opening at leading-in conductor, if it is solid to form the location chimeric with it in insulated substrate Decide the teat of usefulness, except having the advantage that to carry out rapidly leading-in conductor and fusible metal alloy welding Outside, the assembling of the temperature fuse when leading-in conductor is installed is also by venereal disease. In addition, assembling After, the tensile strength of leading-in conductor, also because of the installing hole protuberance of chimeric leaded conductor, can with More improve.

Claims (4)

1, a kind of temperature fuse leading-in conductor, it is slim temperature fuse leading-in conductor, it is characterized in that:
On elongated lamellar leading-in conductor (1,100) leading section surface, be provided with metal (2), this metal (2) is not easy to be subjected to because the influence to the welding of fusible metal alloy that oxidation produces.
2, a kind of temperature fuse leading-in conductor is characterized by:
Leading-in conductor (1,100) with the combination that is not easy to be subjected to produce to the metal (2) of the welding influence of welding alloy because of oxidation, wherein, leading-in conductor (1,100) is made of copper or copper alloy, and the fusible metal alloy welding is made of tin or silver with metal (2);
Perhaps, described leading-in conductor (1,100) is by iron or ferroalloy, and the fusible metal alloy welding is made of tin or silver with metal (2);
Perhaps, described leading-in conductor (1,100) is by aluminum or aluminum alloy, and the fusible metal alloy welding is made of tin or silver with metal (2).
3, a kind of temperature fuse leading-in conductor, its feature is being:
Elongated lamellar leading-in conductor (1,100) leading section in nickel or nickel alloy formation, be provided with between the pair of lead wires conductor (100) of the metal (2) that the fusible metal alloy welding uses, welding fusible metal alloy (10), and above-mentioned fusible metal alloy (10) is provided in a side of in the thin type insulator that is made of insulated substrate (4) and lid (5).
4, a kind of temperature fuse, it is on the insulated substrate (4) that constitutes the thin type insulator, leading section is had the fusible metal alloy welding uses the pair of lead wires conductor (1,100) of metal (2) to be provided with at certain intervals, between above-mentioned leading-in conductor (1,100), above-mentioned fusible metal alloy (10) is set, be provided with lid (5) thereon, it is characterized in that:
On above-mentioned insulated substrate (4), being formed with passes through along its length direction is equipped with the banded recess (6) of above-mentioned leading-in conductor (1,100) and fusible metal alloy (10),
Be formed with the double fixedly teat of usefulness (7) in leading-in conductor location respectively at above-mentioned recess (6) both ends,
Above-mentioned leading-in conductor (1,100) be formed with can be chimeric with above-mentioned teat (7) installing hole (3).
CNB00134689XA 2000-06-28 2000-12-05 Temperature fuse and lead wire conductor for same Expired - Fee Related CN1172343C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP194160/2000 2000-06-28
JP2000194160A JP2002015647A (en) 2000-06-28 2000-06-28 Reed conductor for thermal fuse and thermal fuse

Publications (2)

Publication Number Publication Date
CN1332466A true CN1332466A (en) 2002-01-23
CN1172343C CN1172343C (en) 2004-10-20

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CNB00134689XA Expired - Fee Related CN1172343C (en) 2000-06-28 2000-12-05 Temperature fuse and lead wire conductor for same

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JP (1) JP2002015647A (en)
CN (1) CN1172343C (en)
DE (1) DE10128240A1 (en)
HK (1) HK1043658B (en)
TW (1) TW460887B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102529224A (en) * 2010-12-01 2012-07-04 株式会社日立制作所 Metal-resin composite, method for producing the same, busbar, module case, and resinous connector part

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI386962B (en) * 2006-03-29 2013-02-21 Cooper Technologies Co Hybrid chip fuse assembly having wire leads
JP5092390B2 (en) * 2006-12-22 2012-12-05 パナソニック株式会社 Thermal fuse
JP5181846B2 (en) * 2008-06-05 2013-04-10 パナソニック株式会社 Thermal fuse

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3331911B2 (en) * 1997-06-23 2002-10-07 松下電器産業株式会社 Thermal fuse, method of manufacturing the same, thermal fuse unit using the same, battery and power supply device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102529224A (en) * 2010-12-01 2012-07-04 株式会社日立制作所 Metal-resin composite, method for producing the same, busbar, module case, and resinous connector part

Also Published As

Publication number Publication date
HK1043658B (en) 2005-05-06
TW460887B (en) 2001-10-21
CN1172343C (en) 2004-10-20
DE10128240A1 (en) 2002-01-17
JP2002015647A (en) 2002-01-18
HK1043658A1 (en) 2002-09-20

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