CN101728138A - Blown fuse component - Google Patents
Blown fuse component Download PDFInfo
- Publication number
- CN101728138A CN101728138A CN200910169592A CN200910169592A CN101728138A CN 101728138 A CN101728138 A CN 101728138A CN 200910169592 A CN200910169592 A CN 200910169592A CN 200910169592 A CN200910169592 A CN 200910169592A CN 101728138 A CN101728138 A CN 101728138A
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- Prior art keywords
- fuse circuit
- casing
- circuit constituting
- constituting body
- terminal
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- 230000000630 rising effect Effects 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 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
- 238000007689 inspection Methods 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 chain via fusable links the big electric current of chain is used.
Background technology
As existing blown fuse component, the product shown in the patent documentation 1 is arranged.This blown fuse component possesses the casing of the first fuse circuit constituting body, the second fuse circuit constituting body, these fuse circuit constituting bodies of packing into.
The first fuse circuit constituting body has the storage battery connecting portion that is connected with storage battery, and the second fuse circuit constituting body has the alternating current generator connecting portion that is connected with alternating current generator.These the first fuse circuit constituting bodies and the second fuse circuit constituting body have connecting plate, are formed with a plurality of portion of terminal via branch fusable links chain ground on this web.
The first fuse circuit constituting body and the second fuse circuit constituting body are housed in the casing in the mode that is 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 were accommodated in the casing, these general portion of terminal were screwed in together by bolt.Thus, the first fuse circuit constituting body and the second fuse circuit constituting body are electrically connected, and constitute desired fuse circuit by the first fuse circuit constituting body and the second fuse circuit constituting body.
The terminal that is connected the respective side connector at the first fuse circuit constituting body with a plurality of portion of terminal of the second fuse circuit constituting body.Under this situation, on the terminal of respective side connector, be connected with load respectively, supply with power supply to these load allocating from storage battery via above-mentioned fuse circuit via cable.And, since the short circuit accident of each load-side etc. and on branch's fusable links logical on during electric current more than the setting, branch's fusable links fuses because of heating, can prevent the accident based on overcurrent.
Patent documentation 1: TOHKEMY 2004-127698 communique
In recent years, along with reducing of vehicle space, require the miniaturization of blown fuse component, all big electric currents flow through and big storage battery connecting portion, alternating current generator connecting portion and the general portion of terminal of caloric value all is near position.In addition, since miniaturization, the gap smaller between the first fuse circuit constituting body and the second fuse circuit constituting body and the casing.Thus, hoard heat easily in casing, the temperature in the casing rises to more than the desired value, produces problems such as for example unexpected fusing of branch's fusable links.
Summary of the invention
Therefore, the object of the present invention is to provide the blown fuse component that can in casing, not hoard heat, can suppress the temperature rising in the casing.
First aspect provides a kind of blown fuse component, and it mainly comprises: the first fuse circuit constituting body that a plurality of portion of terminal is formed chain via the storage battery connecting portion that is connected with storage battery and each branch's fusable links; Via the alternating current generator connecting portion that is connected with alternating current generator and each branch's fusable links a plurality of portion of terminal are formed chain, simultaneously, the second fuse circuit constituting body that is connected with the alternating current generator fusable links via the described 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, sidepiece at described casing disposes described storage battery connecting portion, opposite side at described casing disposes described alternating current generator connecting portion, in the position configuration of leaving described storage battery connecting portion and alternating current generator connecting portion respectively described generator fusable links is arranged.
Second aspect provides blown fuse component on the basis of first aspect, it is characterized in that, described casing is formed with peristome on top, and this peristome is installed in described first, second fuse circuit constituting body in the 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 the casing is outwards guided and discharges.
The third aspect first or the basis of second aspect on, blown fuse component is provided, it is characterized in that, the described first fuse circuit constituting body, on the connecting plate of long strip-board shape, be formed with a plurality of portion of terminal via a plurality of branches fusable links chain ground, distolateral storage battery portion of terminal that is formed with at described connecting plate, the described second fuse circuit constituting body, on the connecting plate of long strip-board shape, be formed with a plurality of portion of terminal via a plurality of branches fusable links, another distolateral generator portion of terminal that is formed with at described connecting plate, be positioned at a sidepiece of described casing with portion of terminal according to described storage battery, described alternating current generator is positioned at the mode of the other side of casing with portion of terminal, and the described first fuse circuit constituting body and the second fuse circuit constituting body are housed in the casing side by side.
According to the present invention, dispose the storage battery connecting portion of the first fuse circuit constituting body at a sidepiece of casing, dispose 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 will connect the described first fuse circuit constituting body and the second fuse circuit constituting body is configured in the position of leaving these connecting portions, therefore, even flow through big electric current at these connecting portions, the heat that also can reducing generates heat causes is interfered.Therefore, in casing, can not hoard heat, thereby the temperature that can suppress in the casing rises.
Description of drawings
Fig. 1 represents the blown fuse component of an embodiment of the present invention, (A) is plane graph, (B) is front elevation, (C) is right hand view;
Fig. 2 is a M-M line profile among Fig. 1;
Fig. 3 is the profile at the main position of expression.
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, the fastening portion of terminal of using of 24 screws
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
Below, specifically describe the present invention according to illustrated execution mode.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 big electric current of chain, and Fig. 2 is a M-M line profile among Fig. 1, and Fig. 3 is the amplification profile at main position.
As Fig. 1～shown in Figure 3, blown fuse component 1 possesses: as the first fuse circuit constituting body 2 of bus, same as the second fuse circuit constituting body 3 of bus, the plastic casing 4 of these fuse constituting bodies 2,3 of packing into.
As shown in Figures 2 and 3, the first fuse circuit constituting body 2 possesses: roughly the connecting plate 11 of rectangular long strip-board shape, on the short side direction of this connecting plate 11 via branch's fusable links 12 connect catenulate a plurality of female portion of terminal 13, the screw that connects via branch's fusable links 12 at the short side direction of connecting plate 11 is fastening with portion of terminal 14, the storage battery usefulness portion of terminal 15 that is connected with a side (right side) of the long side direction of connecting plate 11.
Branch's fusable links 12 is a crank-like in a narrow margin, and riveted and fixed low-melting-point metal in the way of this crank shape can fuse when supplying with the electric current more than the setting respectively.For a plurality of female portion of terminal 13, the female portion of terminal that is adjacent to each other is via 31 chain ground, the next door configuration of casing 4.
At storage battery connection storage battery connecting portion 17 on the 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: roughly the connecting plate 21 of rectangular long strip-board shape, on the short side direction of this connecting plate 21 via branch's fusable links 22 be connected to a plurality of female portion of terminal 23 of chain, the screw that connects via branch's fusable links 22 on the short side direction of this connecting plate 21 is fastening with portion of terminal 24, the alternating current generator usefulness portion of terminal 25 that is connected with the opposite side (left side) of the long side direction of connecting plate 21.
Branch's fusable links 12 in the branch's fusable links 22 and the first fuse circuit constituting body 2 is similarly crank-like in a narrow margin, and riveted and fixed low-melting-point metal in the way of this crank shape can fuse when connecting the electric current more than the setting respectively.Female portion of terminal 23 is identical with the female portion of terminal of the first fuse circuit constituting body 2, and the female portion of terminal that is adjacent to each other is via 32 chain ground, the next door configuration of casing 4.
At alternating current generator connection alternating current generator connecting portion 27 on the portion of terminal 25.Alternating current generator connecting portion 27 as shown in Figure 1, and is 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 between connecting plate 11 and connecting plate 21 along the vertical direction, 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, have the connecting plate 11 of the first fuse circuit constituting body 2 of branch's fusable links 12, connecting plate 21, alternating current generator fusable links 7, by punch process conductivity and flat sheet material and integrally formed with second fuse circuit constituting body 3 of branch's fusable links 22.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 the casing 4 side by side.
Riveted and fixed midway at the long side direction of alternating current generator fusable links 7 has low-melting-point metal.Therefore, when on alternating current generator fusable links 7, passing through the electric current more than the setting, will fuse.
In above-mentioned structure, the storage battery that is connected with storage battery connecting portion 17 is configured in a sidepiece of casing 4 with portion of terminal 15, and the alternating current generator that is connected with alternating current generator connecting portion 27 is configured in the opposite side of casing 4 with portion of terminal 25.In addition, be provided with alternating current generator fusable links 7 between the connecting plate 21 of the connecting plate 11 of the first fuse circuit constituting body 2 and the second fuse circuit constituting body 3, alternating current generator fusable links 7 is configured in leaves storage battery respectively with portion of terminal 15 (storage battery connecting portion 17) and the alternating current generator position with portion of terminal 25 (alternating current generator connecting portion 27).
As shown in Figure 1, casing 4 forms roughly rectangular shape, storage battery connecting portion 17 from a sidepiece (right side) to laterally outstanding, 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 structure in the casing 4.Terminal support sector 37 supports that the fastening screw with portion of terminal 14, the second fuse circuit constituting body 3 of the screw of the first fuse circuit constituting body 2 is fastening with portion of terminal 24.Transparent lid 38 is installed, by covering 38 occlusion of openings portions 33 above casing 4.
In the above-described configuration, supply with power supply via 2,3 pairs of each load allocating of the fuse circuit of blown fuse component 1 from storage battery or alternating current generator.In addition, when the power supply of storage battery reduces, by charging to the storage battery supply power by alternating current generator.
In the above-described configuration, because short circuit accident of load-side etc. and in branch's fusable links 12,22 during by the electric current more than the setting, branch's fusable links 12,22 fuses because of heating, thereby prevents the accident based on overcurrent.In addition, when the maintenance of carrying out blown fuse component 1 or inspection,, can confirm the state (having or not fusing etc.) of inner branch's fusable links 12,22 by spying in the casing 4 via transparent lid 38.
In the above construction, use on the portion of terminal 25, generate heat because flowing through big electric current at the storage battery usefulness portion of terminal 15 that is connected with storage battery connecting portion 17, the alternating current generator that is connected with alternating current generator connecting portion 27.In addition, on the alternating current generator fusable links 7 that is electrically connected connecting plate 11,21, also generate heat because flowing through big electric current.Relative with it, in this embodiment, storage battery is configured in a sidepiece of casing 4 with portion of terminal 15, and alternating current generator is configured in the other side of casing 4 with portion of terminal 25, and generator fusable links 7 is configured in and leaves these storage batterys with portion of terminal 15, generator position with portion of terminal 25.Therefore,, also can suppress heat and interfere, can in casing 4, not hoard heat, thereby the temperature that can suppress in the casing 4 rise even have in heating from these positions.
In addition, in this embodiment, on the lid 38 of the peristome 33 that covers casing 4, be formed with 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 will reach from heat through tapering 41,43 the outside directly discharges to casing 4 of generator from the heat of storage battery with portion of terminal 15 with portion of terminal 25.Among Fig. 3, arrow Y represents moving of heat.By moving of such heat, heat is discharged from casing 4, and therefore, the temperature that can further suppress casing 4 rises.
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 taken in state arranged side by side in casing 4.Therefore, need not in casing 4, accommodate two circuit constituting bodies respectively, and they are electrically connected.Therefore, can carry out the assembling of blown fuse component 1 simply.
Claims (3)
1. blown fuse component, it mainly comprises:
The first fuse circuit constituting body, this first fuse circuit constituting body forms chain via the storage battery connecting portion that is connected with storage battery and each branch's fusable links with a plurality of portion of terminal;
The second fuse circuit constituting body, this second fuse circuit constituting body forms chain via the alternating current generator connecting portion that is connected with alternating current generator and each branch's fusable links with a plurality of portion of terminal, simultaneously, be connected with the alternating current generator fusable links via the described 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,
Sidepiece at described casing disposes described storage battery connecting portion, dispose described alternating current generator connecting portion in the other side of described casing, described generator fusable links is arranged in the position configuration of leaving described storage battery connecting portion and alternating current generator connecting portion respectively.
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 installed in the 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 the casing is outwards guided and discharges.
3. as claim 1 or 2 described blown fuse components, it is characterized in that,
The described first fuse circuit constituting body is formed with a plurality of portion of terminal via a plurality of branches fusable links chain ground on the connecting plate of long strip-board shape, in a distolateral storage battery portion of terminal that is formed with of described connecting plate,
The described second fuse circuit constituting body, on the connecting plate of long strip-board shape, be formed with a plurality of portion of terminal via a plurality of branches fusable links, another distolateral alternating current generator portion of terminal that is formed with at described connecting plate, be positioned at a sidepiece of described casing with portion of terminal and described alternating current generator is positioned at the mode of the other side of casing with portion of terminal according to described storage battery, the described first fuse circuit constituting body and the second fuse circuit constituting body are housed in the 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 true CN101728138A (en) | 2010-06-09 |
| CN101728138B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104488060A (en) * | 2012-07-23 | 2015-04-01 | 矢崎总业株式会社 | Fuse unit |
Citations (4)
| 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 |
| JP2008041379A (en) * | 2006-08-04 | 2008-02-21 | Yazaki Corp | Fusible link unit |
Family Cites Families (5)
| 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 |
| 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 (5)
| 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 |
| US20040130430A1 (en) * | 2002-10-02 | 2004-07-08 | Norio Matsumura | Fusible link unit |
| JP2008041379A (en) * | 2006-08-04 | 2008-02-21 | Yazaki Corp | Fusible link unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104488060A (en) * | 2012-07-23 | 2015-04-01 | 矢崎总业株式会社 | Fuse unit |
| CN104488060B (en) * | 2012-07-23 | 2016-08-31 | 矢崎总业株式会社 | Fuse unit |
| US9460878B2 (en) | 2012-07-23 | 2016-10-04 | Yazaki Corporation | Fuse unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010102949A (en) | 2010-05-06 |
| JP5400348B2 (en) | 2014-01-29 |
| CN101728138B (en) | 2014-05-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140514 |