CN101728138B - Blown fuse component - Google Patents
Blown fuse component Download PDFInfo
- Publication number
- CN101728138B CN101728138B CN200910169592.9A CN200910169592A CN101728138B CN 101728138 B CN101728138 B CN 101728138B CN 200910169592 A CN200910169592 A CN 200910169592A CN 101728138 B CN101728138 B CN 101728138B
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- fuse circuit
- casing
- circuit constituting
- constituting body
- terminal
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- 238000009825 accumulation Methods 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- Fuses (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention provides a blown fuse component which causes no heat accumulation inside casing and can inhibit temperature inside casing from rising. The component mainly comprises: a first fuse circuit composing body having a plurality of terminal parts (13) formed in chain; a second fuse circuit composing body (3) having a plurality of terminal parts (23) formed in chain by an AC generator connection part (27) connected with an AC generator and branch fusible bodies (22), while connected with an exchange generator fusible body (7) by the first fuse circuit composing body (2); and a casing (4) for installing the first fuse circuit composing body (2) and the second fuse circuit composing body (3). an accumulator connection part (17) is disposed on one side of the casing (4); an AC generator connection part (27) is disposed on the other side of the casing (4); and the AC generator fusible body (7) is disposed at a position respectively departed from the accumulator connection part (17) and the AC generator connection part (27).
Description
Technical field
The present invention relates to have the blown fuse component that portion of terminal is connected to the fuse circuit constituting body of the chain large electric current of chain via fusable links is used.
Background technology
As existing blown fuse component, there is the product shown in patent documentation 1.This blown fuse component possesses the first fuse circuit constituting body, the second fuse circuit constituting body, packs the casing of these fuse circuit constituting bodies into.
The first fuse circuit constituting body has the storage battery connecting portion being connected with storage battery, and the second fuse circuit constituting body has the alternating current generator connecting portion being connected with alternating current generator.These the first fuse circuit constituting bodies and the second fuse circuit constituting body have connecting plate, on this web via branch's fusable links chain be formed with multiple portion of terminal.
The first fuse circuit constituting body and the second fuse circuit constituting body are housed in casing in the mode being parallel to each other, these fuse circuit constituting bodies have general portion of terminal, when the first fuse circuit constituting body and the second fuse circuit constituting body are accommodated in casing, these general portion of terminal are screwed in together by bolt.Thus, the first fuse circuit constituting body and the second fuse circuit constituting body are electrically connected, and form desired fuse circuit by the first fuse circuit constituting body and the second fuse circuit constituting body.
Be connected the terminal of respective side connector with multiple portion of terminal of the second fuse circuit constituting body at the first fuse circuit constituting body.In this situation, on the terminal of respective side connector, be connected with respectively load via cable, distribute the power supply of supplying with from storage battery via above-mentioned fuse circuit to these loads.And when electric current more than setting, branch's fusable links, because heating fuses, can prevent the accident based on overcurrent due to the short circuit accident of each load-side etc. and on logical in branch's fusable links.
Patent documentation 1: TOHKEMY 2004-127698 communique
In recent years, along with reducing of vehicle space, require the miniaturization of blown fuse component, all large electric currents flow through and large storage battery connecting portion, alternating current generator connecting portion and the general portion of terminal of caloric value is all near position.In addition, due to miniaturization, the gap smaller between the first fuse circuit constituting body and the second fuse circuit constituting body and casing.Thus, easily hoard heat in casing, the temperature rise in casing, to more than desired value, produces the problems such as such as branch's fusable links surprisingly fuses.
Summary of the invention
Therefore, the object of the present invention is to provide the blown fuse component that can not hoard heat in casing, can suppress the temperature rise in casing.
First aspect provides a kind of blown fuse component, and it mainly comprises: the first fuse circuit constituting body that via the storage battery connecting portion being connected with storage battery and each branch fusable links, multiple portion of terminal is formed as to chain; Via the alternating current generator connecting portion being connected with alternating current generator and each branch fusable links, multiple portion of terminal are formed as to chain, meanwhile, the second fuse circuit constituting body being connected with alternating current generator fusable links via described the first fuse circuit constituting body; The casing of the first fuse circuit constituting body and the second fuse circuit constituting body is installed, it is characterized in that, dispose described storage battery connecting portion at a sidepiece of described casing, dispose described alternating current generator connecting portion at the opposite side of described casing, have described generator fusable links in the position configuration of leaving respectively described storage battery connecting portion and alternating current generator connecting portion.
Second aspect, on the basis of first aspect, provides blown fuse component, it is characterized in that, described casing is formed with peristome on top, and this peristome is arranged on described first, second fuse circuit constituting body in casing certainly, and described peristome is with covering; A sidepiece and the other side at described lid and casing are provided with the guide part that the hot gas in casing is outwards guided and discharged.
The third aspect first or the basis of second aspect on, blown fuse component is provided, it is characterized in that, described the first fuse circuit constituting body, on the connecting plate of long strip-board shape via multiple branches fusable links chain be formed with multiple portion of terminal, in a distolateral storage battery portion of terminal that is formed with of described connecting plate, described the second fuse circuit constituting body, on the connecting plate of long strip-board shape, be formed with multiple portion of terminal via multiple branches fusable links, in another distolateral generator portion of terminal that is formed with of described connecting plate, be positioned at a sidepiece of described casing by portion of terminal according to described storage battery, described alternating current generator is positioned at the mode of the other side of casing by portion of terminal, described the first fuse circuit constituting body and the second fuse circuit constituting body are housed in casing side by side.
According to the present invention, configure the storage battery connecting portion of the first fuse circuit constituting body at a sidepiece of casing, configure the alternating current generator connecting portion of the second fuse circuit constituting body in the other side of casing, and then the alternating current generator fusable links that connects described the first fuse circuit constituting body and the second fuse circuit constituting body is configured in to the position of leaving these connecting portions, therefore, even at these connecting portion stream super-high-currents, also can reduce the heat interference that heating causes.Therefore, in casing, can not hoard heat, thereby can suppress the temperature rise in casing.
Accompanying drawing explanation
Fig. 1 represents the blown fuse component of an embodiment of the present invention, is (A) plane graph, is (B) front elevation, is (C) right hand view;
Fig. 2 is M-M line profile in Fig. 1;
Fig. 3 is the profile that represents main position.
Symbol description
1 blown fuse component
2 first fuse circuit constituting bodies
3 second fuse circuit constituting bodies
4 casings
7 generator fusable links
11,21 connecting plates
12,22 branch's fusable links
13,23 female portion of terminal
14,24 screw fastening portion of terminal
15 storage battery portion of terminal
17 storage battery connecting portions
25 alternating current generator portion of terminal
27 alternating current generator connecting portions
33 peristomes
34 circuit body reception rooms
38 lids
Embodiment
Specifically describe the present invention according to illustrated execution mode below.Fig. 1～Fig. 3 represents one embodiment of the present invention, and Fig. 1 is plane graph, front elevation and the right hand view of the blown fuse component used of the large electric current of chain, and Fig. 2 is M-M line profile in Fig. 1, and Fig. 3 is the amplification profile at main position.
As shown in FIG. 1 to 3, blown fuse component 1 possesses: as the first fuse circuit constituting body 2 of bus, equally as the second fuse circuit constituting body 3 of bus, pack the plastic casing 4 of these fuse constituting bodies 2,3 into.
As shown in Figures 2 and 3, the first fuse circuit constituting body 2 possesses: the roughly connecting plate 11 of rectangular long strip-board shape, the portion of terminal 15 for storage battery that connects catenulate multiple female portion of terminal 13, the portion of terminal 14 for screw fastening connecting via branch's fusable links 12 at the short side direction of connecting plate 11, be connected with a side (right side) of the long side direction of connecting plate 11 via branch's fusable links 12 on the short side direction of this connecting plate 11.
Branch's fusable links 12 is crank-like in a narrow margin, and in the way of this crank shape, the fixing low-melting-point metal of riveted joint, can fuse while supplying with respectively electric current more than setting.For multiple female portion of terminal 13, the female portion of terminal being adjacent to each other via next door 31 chains of casing 4 configure.
At storage battery with connecting storage battery connecting portion 17 in portion of terminal 15.Storage battery connecting portion 17 is outstanding from the outside of casing 4 as shown in Figure 1, is connected with Vehicular accumulator cell via not shown wire harness.
As shown in Figures 2 and 3, the second fuse circuit constituting body 3 possesses: the roughly connecting plate 21 of rectangular long strip-board shape, the portion of terminal 25 for alternating current generator that is connected to the multiple female portion of terminal 23 of chain, the portion of terminal 24 for screw fastening connecting via branch's fusable links 22 on the short side direction of this connecting plate 21, is connected with the opposite side (left side) of the long side direction of connecting plate 21 via branch's fusable links 22 on the short side direction of this connecting plate 21.
Branch's fusable links 12 in branch's fusable links 22 and the first fuse circuit constituting body 2 is similarly crank-like in a narrow margin, and in the way of this crank shape, the fixing low-melting-point metal of riveted joint, can fuse while connecting respectively electric current more than setting.Female portion of terminal 23 is identical with the female portion of terminal of the first fuse circuit constituting body 2, the female portion of terminal being adjacent to each other via next door 32 chains of casing 4 configure.
At alternating current generator with connecting alternating current generator connecting portion 27 in portion of terminal 25.Alternating current generator connecting portion 27 as shown in Figure 1, outstanding from the outside of casing 4, is connected with mobile generator by omitting illustrated wire harness.
The first fuse circuit constituting body 2 is connected via alternating current generator fusable links 7 with the second fuse circuit constituting body 3.Alternating current generator fusable links 7 is formed by the fusable links of regulation fabric width.In addition, alternating current generator fusable links 7 is extended along the vertical direction between connecting plate 11 and connecting plate 21, one end (lower end) becomes one with the connecting plate 11 of the first fuse circuit constituting body 2, and the other end (upper end) becomes one with the connecting plate 21 of the second fuse circuit constituting body 3.In such structure, there is the connecting plate 11 of the first fuse circuit constituting body 2 of branch's fusable links 12, the connecting plate 21 with the second fuse circuit constituting body 3 of branch's fusable links 22, alternating current generator fusable links 7, be integrally formed by punch process conductivity and flat sheet material.That is, in this execution mode, via alternating current generator fusable links 7, connecting plate 11,21 is connected as one, thus, the first fuse circuit constituting body 2 and the second fuse circuit constituting body 3 are housed in casing 4 side by side.
Riveted joint midway at the long side direction of alternating current generator fusable links 7 is fixed with low-melting-point metal.Therefore,, pass through electric current more than setting in alternating current generator fusable links 7 time, will fuse.
In above-mentioned structure, the storage battery portion of terminal 15 being connected with storage battery connecting portion 17 is configured in a sidepiece of casing 4, and the alternating current generator portion of terminal 25 being connected with alternating current generator connecting portion 27 is configured in the opposite side of casing 4.In addition, between the connecting plate 11 of the first fuse circuit constituting body 2 and the connecting plate 21 of the second fuse circuit constituting body 3, be provided with alternating current generator fusable links 7, alternating current generator fusable links 7 is configured in leaves respectively portion of terminal 15 for storage battery (storage battery connecting portion 17) and the position of portion of terminal 25 (alternating current generator connecting portion 27) for alternating current generator.
As shown in Figure 1, casing 4 is formed as roughly rectangular shape, and storage battery connecting portion 17 is from a sidepiece (right side) to laterally projecting, alternating current generator connecting portion 27 from the other side (left side) forwards outstanding.
As shown in Figures 2 and 3, casing 4 has the circuit body reception room 34 of peristome 33 above inside is formed with.Below circuit body reception room 34, be provided with coupling box body 35 and terminal support sector 37.Peristome 33 is that the first fuse circuit constituting body 2 and the second fuse circuit constituting body 3 are contained in to the structure in casing 4.Terminal support sector 37 supports the portion of terminal 24 for screw fastening of portion of terminal 14, the second fuse circuit constituting body 3 for screw fastening of the first fuse circuit constituting body 2.Transparent lid 38 is installed above casing 4, by covering 38 occlusion of openings portions 33.
Lid 38 long side directions along casing 4 are installed in the mode that covers peristome 33.One sidepiece (right side) of connecting plate 11 sides on the long side direction of lid 38 is formed with tapering 41., tapering 41 is forming with the approximated position of portion of terminal 15 with storage battery.Tapering 41 forms in the mode tilting upward from the upper end of casing 4.In addition, the other side (left side) of connecting plate 21 sides on the long side direction of lid 38 is also formed with tapering 43.Tapering 43 is forming with the approximated position of portion of terminal 25 with alternating current generator.Tapering 43 is the same with tapering 41 to be formed in the mode tilting upward from the upper end of casing 4.The tapering 41,43 of such inclination becomes the guide part to exterior guiding discharge by the hot gas in casing 4.
In the above-described configuration, distribute via 2,3 pairs of each loads of fuse circuit of blown fuse component 1 power supply of supplying with from storage battery or alternating current generator.In addition, when the power supply of storage battery reduces, by being charged to storage battery supply power by alternating current generator.
In the above-described configuration, when electric current by more than setting due to the short circuit accident of load-side etc. and in branch's fusable links 12,22, branch's fusable links 12,22 fuses because of heating, thereby prevents the accident based on overcurrent.In addition, in the time carrying out the maintenance of blown fuse component 1 or check, spy in casing 4 by the lid 38 via transparent, can confirm the state (having or not fusing etc.) of inner branch's fusable links 12,22.
In the above construction,, generate heat because of stream super-high-current with in portion of terminal 25 at the storage battery portion of terminal 15 being connected with storage battery connecting portion 17, the alternating current generator that is connected with alternating current generator connecting portion 27.In addition, in the alternating current generator fusable links 7 of electrical connection connecting plate 11,21, also generate heat because of stream super-high-current.In contrast, in this embodiment, storage battery is configured in a sidepiece of casing 4 by portion of terminal 15, alternating current generator is configured in the other side of casing 4 by portion of terminal 25, and generator fusable links 7 is configured in the position of leaving these portion of terminal 15, generator portion of terminal 25 for storage battery.Therefore, even if having in the heating from these positions, also can suppress heat and interfere, can in casing 4, not hoard heat, thereby can suppress the temperature rise in casing 4.
In addition, in this embodiment, on the lid 38 of peristome 33 that covers casing 4, be formed with the tapering 41,43 as guide part.And, tapering 41 is forming with the approaching position of portion of terminal 15 with storage battery, tapering 43 is forming with the approaching position of portion of terminal 25 with generator, therefore, can by from storage battery with portion of terminal 15 heat and directly discharge to the outside of casing 4 through tapering 41,43 from the heat of generator portion of terminal 25.In Fig. 3, arrow Y represents hot movement.By so hot movement, heat is discharged from casing 4, therefore, can further suppress the temperature rise of casing 4.
Moreover in this embodiment, the first fuse circuit constituting body 2 and the state of the second fuse circuit constituting body 3 for being connected via alternating current generator fusable links 7, can be with state storage arranged side by side in casing 4.Therefore, need not accommodate respectively two circuit constituting bodies casing 4 is interior, and by they electrical connections.Therefore, can carry out simply the assembling of blown fuse component 1.
Claims (3)
1. a blown fuse component, it mainly comprises:
The first fuse circuit constituting body, this first fuse circuit constituting body is formed as chain via the storage battery connecting portion being connected with storage battery and each branch fusable links by multiple portion of terminal;
The second fuse circuit constituting body, this the second fuse circuit constituting body is formed as chain via the alternating current generator connecting portion being connected with alternating current generator and each branch fusable links by multiple portion of terminal, meanwhile, be connected with described the first fuse circuit constituting body via alternating current generator fusable links;
The casing of the first fuse circuit constituting body and the second fuse circuit constituting body is installed,
It is characterized in that,
Dispose described storage battery connecting portion at a sidepiece of described casing, dispose described alternating current generator connecting portion in the other side of described casing, have described alternating current generator fusable links in the position configuration of leaving respectively described storage battery connecting portion and alternating current generator connecting portion.
2. blown fuse component as claimed in claim 1, is characterized in that,
Described casing is formed with peristome on top, from this peristome, described first, second fuse circuit constituting body is arranged in casing, and described peristome is with covering;
A sidepiece and the other side at described lid and casing are provided with the guide part that the hot gas in casing is outwards guided and discharged.
3. the blown fuse component as described in claim 1 or 2, is characterized in that,
Described the first fuse circuit constituting body, on the connecting plate of long strip-board shape via multiple branches fusable links chain be formed with multiple portion of terminal, in a distolateral storage battery portion of terminal that is formed with of described connecting plate,
Described the second fuse circuit constituting body, on the connecting plate of long strip-board shape, be formed with multiple portion of terminal via multiple branches fusable links, in another distolateral alternating current generator portion of terminal that is formed with of described connecting plate, be positioned at a sidepiece of described casing according to described storage battery by portion of terminal and described alternating current generator portion of terminal is positioned at the mode of the other side of casing, described the first fuse circuit constituting body and the second fuse circuit constituting body are housed in casing side by side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008-273266 | 2008-10-23 | ||
| JP2008273266A JP5400348B2 (en) | 2008-10-23 | 2008-10-23 | Fusible link unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101728138A CN101728138A (en) | 2010-06-09 |
| CN101728138B true CN101728138B (en) | 2014-05-14 |
Family
ID=42293431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910169592.9A Expired - Fee Related CN101728138B (en) | 2008-10-23 | 2009-09-08 | Blown fuse component |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5400348B2 (en) |
| CN (1) | CN101728138B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6007012B2 (en) | 2012-07-23 | 2016-10-12 | 矢崎総業株式会社 | Fuse unit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6509824B2 (en) * | 2000-02-09 | 2003-01-21 | Yazaki Corporation | Fuse unit and method of manufacturing fuse unit |
| EP1406282A2 (en) * | 2002-10-02 | 2004-04-07 | Yazaki Corporation | Fusible link unit |
| US6734780B2 (en) * | 2000-03-31 | 2004-05-11 | Yazaki Corporation | Fuse assembly |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61106996A (en) * | 1984-10-30 | 1986-05-24 | Matsushita Seiko Co Ltd | Electric fan |
| JPH027098A (en) * | 1988-06-27 | 1990-01-11 | Matsushita Electric Ind Co Ltd | Heat radiation structure of electronic organ |
| JP3255280B2 (en) * | 1997-09-16 | 2002-02-12 | 富士通電装株式会社 | Heat dissipation mounting structure of electronic components |
| JP2004186006A (en) * | 2002-12-04 | 2004-07-02 | Yazaki Corp | Fusible link and manufacturing method of the fusible link |
| JP4805057B2 (en) * | 2006-08-04 | 2011-11-02 | 矢崎総業株式会社 | Fusible link unit |
| JP4917927B2 (en) * | 2007-03-15 | 2012-04-18 | 太平洋精工株式会社 | Multiple fuse unit for vehicles |
-
2008
- 2008-10-23 JP JP2008273266A patent/JP5400348B2/en active Active
-
2009
- 2009-09-08 CN CN200910169592.9A patent/CN101728138B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6509824B2 (en) * | 2000-02-09 | 2003-01-21 | Yazaki Corporation | Fuse unit and method of manufacturing fuse unit |
| US6734780B2 (en) * | 2000-03-31 | 2004-05-11 | Yazaki Corporation | Fuse assembly |
| EP1406282A2 (en) * | 2002-10-02 | 2004-04-07 | Yazaki Corporation | Fusible link unit |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2008-41379A 2008.02.21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010102949A (en) | 2010-05-06 |
| CN101728138A (en) | 2010-06-09 |
| JP5400348B2 (en) | 2014-01-29 |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20140514 |
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| CF01 | Termination of patent right due to non-payment of annual fee |