JP2005085714A - Vehicular fuse - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To increase the number of fuses and to improve both the degree of freedom of design and workability at the same time by preventing a plurality of cases from interfering with a battery band. <P>SOLUTION: This vehicular fuse is provided with a first case and a second case on both its sides by interposing a movable part, and is so structured that conductive fuses are respectively incorporated in the two cases; and the fuse incorporated in the first case is connected to the fuse incorporated in the second case with conductivity by the movable part. The fuse is connected to a bus bar connected to a battery positive electrode; the fuse comprising the first case and the second case and having the movable part as its top is formed into an L-like shape on a surface parallel with the upper surface of a battery. In addition, in the vehicular fuse, the fuse is connected to the bus bar connected to the battery positive electrode; and the fuse comprising the first case, the second case and a third case and having the movable part as its top is formed into a U-like shape on a surface parallel with the upper surface of the battery. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a vehicle fuse, and in particular, a plurality of cases do not interfere with a battery band, the number of fuses can be increased, and both design freedom and workability can be improved. The present invention relates to a vehicle fuse.

  In a vehicle, a bus bar is used in a wiring portion where a large current of a mounted battery flows. This bus bar is an elongated plate-like wiring, that is, a plate-like wiring.

JP-A-8-315720 JP 2002-34135 A JP 2002-280083 A JP 2002-329457 A

  Incidentally, in a conventional vehicle fuse, a terminal-integrated bus bar type fuse box 104 attached to a battery mounted on a vehicle is provided in the fuse box 104 with respect to the battery 102 as shown in FIGS. The fuses 111 built in the case 110 were arranged in a horizontal row.

  In the case of such a shape, when the number of fuses is to be increased, it is necessary to enlarge the fuse box 204 and the case 210 in the lateral direction, but as shown in FIG. Since there is the battery band 203, the fuse box 204 interferes with the battery band 203, and there is a disadvantage that the extension of the fuse box 204 and the case 210 in the lateral direction, that is, the number of fuses is limited.

  Further, when the fuse box 204 and the case 210 are extended in the lateral direction, as shown in FIG. 14, the balance of the fuse box 204 is deteriorated, and the fuse box 204 is tilted due to a deviation of the center of gravity or a variation in tightening angle. There is a disadvantage that the fuse box 204 cannot be extended in the lateral direction.

  In view of this, the present invention includes a first case and a second case on both sides of the movable part in order to eliminate the inconvenience described above, and a conductive fuse is built in each of the two cases. In the vehicle fuse in which the fuse built in the first case and the fuse built in the second case are electrically connected by the movable part, the fuse is a bus bar connected to the battery plus electrode. The fuse composed of the first case and the second case with the movable portion at the top is formed in an L shape in a plane parallel to the upper surface of the battery.

  In addition, the first case and the second case are provided on both sides of the first movable part, the first case and the third case are provided on both sides of the second movable part, and the 3 Conductive fuses are built in one case, respectively, and the two movable parts allow a fuse built in the first case, a fuse built in the second case, and a fuse built in the third case, Is connected to a bus bar connected to a battery plus electrode, and the first case, the second case, and the third case with the movable portion at the top. Is formed in a U shape in a plane parallel to the upper surface of the battery.

  As described above in detail, according to the present invention, the first case and the second case are provided on both sides of the movable part, and conductive fuses are built in the two cases, respectively. In the vehicle fuse in which the fuse built in the first case and the fuse built in the second case are connected with conductivity, the fuse is connected to the bus bar connected to the battery plus electrode, Since the fuse composed of the first case and the second case with the movable portion at the top is formed in an L shape in a plane parallel to the upper surface of the battery, the first case and the second case are formed on the upper surface of the battery. In this case, the number of fuses can be increased without interfering with the battery band, and both the degree of freedom in design and the improvement in workability can be achieved.

  Further, the first case and the second case are provided on both sides of the first movable part, and the second case and the third case are provided on both sides of the second movable part. Conductive fuses are built in the cases, respectively, and the fuses built in the first case, the fuses built in the second case, and the fuses built in the third case are conducted by two movable parts. In the vehicle fuse that is connected to the battery, the fuse is connected to a bus bar connected to the battery plus electrode, and is composed of a first case, a second case, and a third case with the movable part at the top. Since the fuses are formed in a U shape in a plane parallel to the battery upper surface, the first to third cases do not interfere with the battery band on the battery upper surface, and the number of fuses can be increased. Yes, It is possible to achieve both the freedom of the improvement in workability.

  By inventing as described above, the fuse is connected to the bus bar connected to the battery plus electrode, and the fuse composed of the first case and the second case with the movable portion at the top is parallel to the upper surface of the battery. The first case and the second case do not interfere with the battery band on the upper surface of the battery, the number of fuses is increased, and the degree of freedom in design and workability are improved. Both are compatible.

  The fuse is connected to a bus bar connected to the battery plus electrode, and the fuse composed of the first case, the second case, and the third case with the movable portion at the top is a surface parallel to the upper surface of the battery. The first to third cases do not interfere with the battery band, the number of fuses is increased, and both the degree of freedom in design and the improvement in workability are achieved.

  Embodiments of the present invention will be described below in detail with reference to the drawings.

  1 to 8 show a first embodiment of the present invention. In FIG. 1, 2 is a battery mounted on a vehicle (not shown), and 4 is a fuse box (also referred to as “main body case”).

  A bus bar 6 is connected to the battery plus electrode 2 a of the battery 2, and a fuse box 4 is connected to the bus bar 6.

  The fuse box 4 includes a first case 10 and a second case 12 on both sides of the movable portion 8, and a conductive fuse (not shown) is built in each of the two cases 10 and 12. The movable part 8 connects the fuse built in the first case 10 and the fuse built in the second case 12 with conductivity.

  At this time, the fuse composed of the first case 10 and the second case 12 with the movable portion 8 at the top is formed in an L shape on a plane parallel to the upper surface of the battery 2.

  More specifically, as shown in FIGS. 1 and 2, the bus bar 6 is connected to the battery plus electrode 2 a of the battery 2, and the first case 10 in the fuse box 4 is connected to the bus bar 6.

  At this time, on the bus bar 6 side of the first case 10, as shown in FIGS. 2, 7, and 8, a plate-like connecting arm portion 14 that protrudes toward the bus bar 6 side is provided, and the connecting arm portion 14 and the bus bar are provided. The first case 10 is connected to the bus bar 6 by tightening the ends of 6 with the fastening bolts 16.

  The second case 12 is connected to the first case 10 by the movable portion 8, and the connection state of the first and second cases 10 and 12 is a surface parallel to the upper surface of the battery 2. Are formed in an L shape.

  At this time, when the second case 12 is connected to the first case 10 by the movable portion 8, the second case 12 is connected so as to be positioned on the battery minus electrode 2 b side of the battery 2.

  Further, a current sensor 18 is provided between the battery plus electrode 2a of the battery 2 which is a battery terminal and the fuse.

  That is, as shown in FIGS. 2 and 4, the bus bar 6 that connects the battery plus electrode 2 a of the battery 2 and the first case 10 is disposed so as to penetrate the current sensor 18.

  At this time, the current sensor 18 has two surfaces surrounded by the first and second cases 10 and 12 formed in an L shape.

  Reference numeral 20 denotes a cover member that covers the battery plus electrode 2 a of the battery 2.

  Next, the operation will be described.

  When connecting the first case 10 and the second case 12 each containing a fuse to the battery 2 mounted on the vehicle, as shown in FIGS. 1, 2, and 4, the battery 2 is parallel to the upper surface of the battery 2. The connection arm portion 14 of the first case 10 is fastened to the bus bar 6 connected to the battery plus electrode 2a of the battery 2 by the fastening bolt 16 so that the first case 10 is connected to the bus bar. Connect to 6.

  At this time, as shown in FIG. 1, the second case 12 is connected so as to be positioned on the battery plus electrode 2 b side of the battery 2.

  When the current sensor 18 is disposed, as shown in FIGS. 2 and 4, the current sensor 18 is connected by the bus bar 6 between the battery plus electrode 2a of the battery 2 as a battery terminal and the fuse. It is arranged to penetrate.

  Further, as shown in FIG. 2, the current sensor 18 has two surfaces, that is, a lower side surface and a left side surface in FIG. 2, surrounded by first and second cases 10 and 12 formed in an L shape. .

  Thereby, the fuse box 4 connected to the bus bar 6 connected to the battery plus electrode 2a of the battery 2 includes the first case 10 and the second case 12 on both sides of the movable portion 8, A conductive fuse (not shown) is built in each of the two cases 10 and 12, and a fuse built in the first case 10 and a fuse built in the second case 12 by the movable portion 8. Are connected with conductivity, and the fuse formed of the first case 10 and the second case 12 with the movable portion 8 at the top is formed in an L-shape on a plane parallel to the upper surface of the battery 2. As a result, the first case 10 and the second case 12 do not interfere with the battery band on the upper surface of the battery 2, the number of fuses can be increased, and the degree of freedom in design and workability can be achieved. It is possible to achieve both improved.

  In addition, a current sensor 18 is provided between the battery plus electrode 2a of the battery 2 which is a battery terminal and the fuse, and the current sensor 18 includes first and second cases 10 formed in an L shape. Since the two surfaces are surrounded by 12, the current sensor 18 and the fuse can be arranged in a compact manner without interference, which is practically advantageous.

  FIG. 9 shows a second embodiment of the present invention. In the second embodiment, portions that perform the same functions as those of the first embodiment will be described with the same reference numerals.

  The feature of the second embodiment is that three first to third cases 10, 12, and 22 are formed in a U shape on a surface parallel to the upper surface of the battery 2.

  That is, the bus bar 6 is connected to the battery plus electrode 2 a of the battery 2, and the fuse box 24 is connected to the bus bar 6.

  The fuse box 24 includes a first case 10 and a second case 12 on both sides of the first movable portion 26, and the first case 10 and the second case 12 on both sides of the second movable portion 28. 3 cases 22, and conductive fuses (not shown) are built in the three cases 10, 12, and 22, respectively, and are built in the first case 10 by the two movable parts 26 and 28. The fuse, the fuse built in the second case 12, and the fuse built in the third case 22 are connected with conductivity.

  At this time, the fuse composed of the first case 10, the second case 12, and the third case 22 with the two movable parts 26, 28 as vertices is U-shaped in a plane parallel to the upper surface of the battery 2. Is formed.

  Specifically, as shown in FIG. 9, the bus bar 6 is connected to the battery plus electrode 2 a of the battery 2, and the first case 10 in the fuse box 4 is connected to the bus bar 6.

  The first case 10 is connected to the second case 12 by the first movable part 26, and is connected to the third case 22 by the second movable part 28. The connection state of the third cases 10, 12, and 22 is formed in a U shape on a surface parallel to the upper surface of the battery 2.

  At this time, when the second case 12 and the third case 22 are connected to the first case 10 by the movable portion 8, the second case 12 is positioned on the battery minus electrode 2 b side of the battery 2. Then, the third case 22 is connected so as to face the second case 12.

  In other words, the fuse box 24 connected to the bus bar 6 connected to the battery plus electrode 2a of the battery 2 has the first case 10 and the second case 12 on both sides of the first movable part 26. The first case 10 and the third case 22 are provided on both sides of the second movable part 28, and conductive fuses (not shown) are provided in the three cases 10, 12, and 22. The fuses built in the first case 10, the fuses built in the second case 12, and the fuses built in the third case 22 are electrically conductive by the two movable parts 26 and 28. The fuse composed of the first case 10, the second case 12, and the third case 22 with the two movable parts 26 and 28 at the top is in a plane parallel to the upper surface of the battery 2. Formed in a U shape As a result, the first to third cases 10, 12, and 22 do not interfere with the battery band on the upper surface of the battery 2, the number of fuses can be increased, and the degree of freedom in design and workability are improved. It is possible to achieve both.

  The present invention is not limited to the first and second embodiments described above, and various application modifications can be made.

  For example, in the second embodiment of the present invention, the fuse composed of the first case 10, the second case 12, and the third case 22 with the two movable parts 26 and 28 as apexes is connected to the battery 2. Although the U-shaped configuration is formed on a plane parallel to the upper surface, the first to third cases 32, 34, and 36 may be arranged in parallel.

  That is, as shown in FIG. 10, a bus bar 6 is connected to the battery plus electrode 2a of the battery 2, and a fuse box 38 is connected to the bus bar 6. The fuse box 38 includes first to third cases 32, 34, 36, and conductive fuses (not shown) are built in the three cases 32, 34, 36, respectively, and the three cases 32, 34, 36 are moved to the first case by the movable part 40. The fuse built in 32, the fuse built in the second case 34, and the fuse built in the third case 36 are connected with conductivity.

  At this time, fuses composed of the first to third cases 32, 34, 36 with the movable portion 40 at the top are arranged in parallel to the battery 2 on a plane parallel to the upper surface of the battery 2.

  Then, on the upper surface of the battery 2, the first to third cases 32, 34, and 36 do not interfere with the battery band, the number of fuses can be increased, and design freedom and workability are improved. It is possible to achieve both.

  In the embodiment of the present invention, in a case in which a plurality of conductive fuses are built in, a plurality of these cases are connected by a movable portion and formed in an L shape or a U shape in a plane parallel to the upper surface of the battery. Although the configuration is adopted, the case may be formed of a flexible member so as to have a special configuration that can be flexibly deformed in a plane parallel to the upper surface of the battery.

  That is, when the case is formed of a flexible member, a plurality of fuses are built in the case, and the case is flexibly deformed so as to conform to an empty space shape near the battery.

  Therefore, when the case is deformed flexibly, it is not only a general U-shape, C-shape, and S-shape, but also a J-shape, M-shape, and an O-shape that is a ring that is not partially connected. Shape, W-shape, Z-shape, or other shapes.

  Then, the surplus space near the battery can be used effectively, which is practically advantageous.

It is a schematic explanatory drawing of the state which connected the fuse box which shows 1st Example of this invention, and the 1st and 2nd case to the battery via the bus bar. It is a top view of a fuse box. It is a bottom view of a fuse box. It is sectional drawing by the IV-IV line of FIG. It is sectional drawing by the VV line of FIG. It is a front view of the 1st and 2nd case. It is a rear view of the 1st and 2nd case. It is a top view of the 1st and 2nd case. It is a schematic explanatory drawing of the state which connected the fuse box which shows 2nd Example of this invention, and the 1st and 2nd case to the battery via the bus bar. It is a schematic explanatory drawing of the state which connected the fuse box which shows the other 1st Example of this invention, and the 1st and 2nd case to the battery via the bus bar. It is a schematic explanatory drawing of the state which connected the fuse box and case which show the 1st prior art of this invention to the battery via the bus bar. It is a schematic perspective view which shows the fuse incorporated in a case. It is a schematic explanatory drawing showing the 1st malfunction at the time of connecting the fuse box and case which show the 2nd prior art of this invention to a battery via a bus bar. It is a schematic explanatory drawing showing the 2nd malfunction at the time of connecting a fuse box and a case to a battery via a bus bar.

Explanation of symbols

2 Battery 2a Battery positive electrode 2b Battery negative electrode 4 Fuse box (also referred to as “main body case”)
6 Bus bar 8 Movable part 10 First case 12 Second case 14 Connection arm part 16 Tightening bolt 18 Current sensor 20 Cover member

Claims (3)

  A first case and a second case are provided on both sides across the movable part, and conductive fuses are built in the two cases, respectively, and the fuse built in the first case by the movable part; In the vehicle fuse in which the fuse built in the second case is connected with conductivity, the fuse is connected to a bus bar connected to the battery plus electrode, and the first case with the movable portion at the top. And the second case is formed in an L shape in a plane parallel to the upper surface of the battery.   The vehicle fuse according to claim 1, wherein a current sensor is provided between the battery terminal and the fuse, and the fuse is formed so as to surround the current sensor.   A first case and a second case are provided on both sides of the first movable part, and a first case and a third case are provided on both sides of the second movable part, and the three cases Conductive fuses are respectively built in, and by the two movable parts, the fuses built in the first case, the fuses built in the second case, and the fuses built in the third case are electrically conductive. In the vehicular fuse connected with a certain property, the fuse is connected to a bus bar connected to a battery plus electrode, and the first case, the second case, and the third case with the movable portion as a vertex. The constructed fuse is formed in a U shape in a plane parallel to the upper surface of the battery.

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