Arrangement structure of vehicle power supply component

Abstract

An arrangement structure of a vehicle power supply component comprises: a battery for traveling of a vehicle; a charging port and an on-vehicle charger provided in a fender part of the vehicle; a first harness for electrically connecting the charging port and the battery; and a second harness for electrically connecting the on-vehicle charger and the battery. The on-vehicle charger is disposed on the side opposite to the battery with respect to the charging port in the vehicle front-rear direction.

Description

Vehicle power supply component layout structure

[0001] The present invention relates to a layout structure of power supply components for a vehicle.

[0002] Patent Document 1 discloses an electric wire mounting structure including a first electric wire routed to a vehicle body and a guide member that guides the first electric wire. In the mounting structure, the guide member is attached to a surface of an inner wheel well facing outward from the vehicle body, and extends from a lower front side to an upper rear side of the vehicle.

[0003] Japanese Patent Application Laid-Open No. 2023-142027

[0004] In the case of a vehicle with large wheel diameters or a vehicle having components such as a suspension, it may not be possible to secure sufficient space in the body portion around the wheel house to arrange power supply components such as electric wires.

[0005] An object of the present invention is to appropriately arrange power supply components of a vehicle in the body portion around the wheelhouse.

[0006] A vehicle power supply component layout structure according to one aspect of the present invention includes a battery for running the vehicle, a charging port and an on-board charger provided in a fender portion of the vehicle, a first harness electrically connecting the charging port and the battery, and a second harness electrically connecting the on-board charger and the battery. The on-board charger is located on the opposite side of the charging port from the battery in the fore-and-aft direction of the vehicle.

[0007] According to the above-described vehicle power supply component layout structure, the power supply components can be appropriately positioned in the vehicle body portion around the wheel house.

[0008] Fig. 1 is a plan view showing the layout of power supply components of a vehicle according to an embodiment. Fig. 2 is a side view showing the layout of power supply components of a vehicle. Fig. 3A is a perspective view showing the layout of power supply components of a vehicle with a support member removed. Fig. 3B is a perspective view showing the layout of power supply components of a vehicle.

[0009] Hereinafter, with reference to the drawings, an example of a vehicle power supply component layout structure according to an embodiment, applied to a vehicle such as an electric vehicle that runs using an electric motor as a power source, will be described. In each figure, FR and RR indicate the front and rear in the longitudinal direction of the vehicle, respectively, UP and DN indicate the upper and lower in the vertical direction of the vehicle, respectively, and LH and RH indicate the left and right in the width direction of the vehicle, respectively. In the following description, the front and rear in the longitudinal direction of the vehicle, the upper and lower in the vertical direction of the vehicle, and the left and right in the width direction of the vehicle will be simply referred to as the front, rear, upper, lower, left, and right, respectively. Furthermore, components having the same functions as those already described will be assigned the same reference numerals and will not be described again. Hereinafter, an example of a power supply component layout structure arranged on the right side of the vehicle will be described. The power supply component layout structure arranged on the left side of the vehicle is similar, and therefore will not be described again.

[0010] The vehicle power supply component layout structure includes a battery 11, a charging port 21 and an on-board charger 31 provided in the fender portion 1, a first harness H1 that electrically connects the charging port 21 and the battery 11, and a second harness H2 that electrically connects the on-board charger 31 and the battery 11. The power supply component layout structure may be provided in the left fender portion 1 at the rear of the vehicle.

[0011] 1, the battery 11 is disposed below the floor of the vehicle. The battery 11 is a large-capacity, high-voltage battery that includes multiple battery modules and serves as a power source for supplying driving power for running the vehicle.

[0012] As shown in FIG. 1-3B, the charging port 21 is provided in the fender portion 1 and includes a normal charging port 22 and a rapid charging port 23 (see FIG. 1-3B). The fender portion 1 is a vehicle body portion that extends along the wheel well S and covers the front and rear of the vehicle from above (see FIG. 2). In other words, the fender portion 1 includes the vehicle body exterior panel surrounding the wheel well S and the interior portion of the vehicle body exterior panel. The wheel well S is the space formed between the vehicle wheel (in this embodiment, the right rear wheel T) and the vehicle body, and is also referred to as a tire house.

[0013] The charging port 21 may be disposed in the fender portion 1 facing inward of the vehicle body (see FIG. 1-3B). Note that "inward of the vehicle body" refers to the direction facing the inside of the vehicle body. The charging port 21 may be provided with an openable and closable lid to protect the charging port 21 when not in use.

[0014] The normal charging port 22 is electrically connected to the on-board charger 31 by a third harness H3 (described later) (see Figures 1-3B). The on-board charger 31 and battery 11 are electrically connected by a second harness H2 (see Figure 1). That is, the normal charging port 22 is electrically connected to the battery 11 via the on-board charger 31. By connecting a normal charging connector of a vehicle power supply device installed outside the vehicle to the normal charging port 22, the battery 11 can be charged.

[0015] The rapid charge port 23 is electrically connected to the battery 11 via a first harness H1 (see FIG. 1-3B). By connecting a rapid charge connector of a vehicle power supply device installed outside the vehicle to the rapid charge port 23, the battery 11 can be rapid charged. As illustrated in FIG. 2-3B, the rapid charge port 23 is located below the normal charge port 22, but this location is not limited. The rapid charge port 23 may also be located above, to the left, or to the right of the normal charge port 22, or the charge port 21 may include a common port that can perform both normal charging and rapid charging by connecting a normal charging connector and a rapid charging connector.

[0016] As illustrated in FIG. 1-3B , the on-board charger 31 is provided in the fender portion 1. The on-board charger 31 receives AC current from a vehicle power supply device and supplies DC current for charging the battery 11. The on-board charger 31 is located on the opposite side of the charging port 21 from the battery 11 in the vehicle longitudinal direction (see FIG. 1). The on-board charger 31 according to the embodiment is provided in the fender portion 1 behind the charging port 21 (see FIG. 1-3B). The on-board charger 31 may also be located in the lower portion of the rear of the fender portion 1, tilted relative to the up-down direction so as to follow the outer circumferential edge SA of the wheel well S. That is, the upper portion 31A of the on-board charger 31 may be located forward of the lower portion of the on-board charger 31 (see FIG. 2-3B). The position and location of the on-board charger 31 in the rear of the fender portion 1 are not limited to those described above. The on-board charger 31 is also referred to as an OBC (On-Board Charger).

[0017] The battery 11 and the charging port 21 are electrically connected by a first harness H1. As illustrated in FIG. 1-3B, one end of the first harness H1 is connected to the quick charging port 23. A connector C1 provided at the other end of the first harness H1 is connected to the battery 11. Note that, although the number of first harnesses H1 in this embodiment is two, the number is not limited to this.

[0018] 1-3B, the first harness H1 extending from the quick charge port 23 is routed along the outer circumferential edge SA of the wheelhouse S from the center of the wheelhouse S toward the front side S1, which is one side of the wheelhouse S. That is, the first harness H1 is routed in an arc from the center of the fender portion 1 to the lower front portion along the outer circumferential edge SA of the wheelhouse S. The first harness H1 may then be routed on the inner side in the vehicle width direction and connected to the battery 11 (see FIG. 1).

[0019] The battery 11 and the on-board charger 31 are electrically connected by a second harness H2. As illustrated in FIG. 1-3B , one end of the second harness H2 is connected to the on-board charger 31. A connector C2 provided at the other end of the second harness H2 is connected to the battery 11. Note that, although the number of second harnesses H2 in this embodiment is one, the number is not limited to this.

[0020] 1-3B, the second harness H2 extending from the on-board charger 31 is routed along the outer circumferential edge SA of the wheelhouse S from the rear side S2, which is the other side of the wheelhouse S, toward the front side S1 of the wheelhouse S. That is, the second harness H2 is routed in an arc from the rear to the lower front portion of the fender portion 1 along the outer circumferential edge SA of the wheelhouse S. The second harness H2 may then be routed on the inner side in the vehicle width direction and connected to the battery 11 (see FIG. 1).

[0021] The current supplied to the second harness H2 may be set smaller than the current supplied to the first harness H1. Therefore, the second harness H2 may have a smaller cross-sectional outer diameter than the first harness H1 (see FIGS. 1-3B). Furthermore, the first harness H1 and the second harness H2 may be arranged offset from each other in the vehicle width direction in a portion where they are routed in an arc along the outer peripheral edge SA of the wheelhouse S. For example, in this portion, the second harness H2 may be routed more inward in the vehicle width direction than the first harness H1 (see FIGS. 1, 3A, and 3B).

[0022] The charging port 21 and the on-board charger 31 may be electrically connected by a third harness H3. As illustrated in FIG. 1-3B , one end of the third harness H3 is connected to the normal charging port 22. A connector C3 provided at the other end of the third harness H3 is connected to an upper portion 31A of the on-board charger 31. The third harness H3 may be routed from the normal charging port 22 along the outer peripheral edge SA of the wheelhouse S and from the center of the wheelhouse S toward the rear side S2 of the wheelhouse S. The current supplied to the second harness H2 is set to be smaller than the current supplied to the third harness H3. Therefore, the second harness H2 may have a smaller cross-sectional outer diameter than the third harness H3 (see FIG. 1-3B ). This allows the harness to be efficiently arranged in the space between the charging port 21 and the battery 11 within the fender portion 1.

[0023] As illustrated in FIG. 1-3B , a support member 41 may be provided on the lower part of the fender portion 1, and the support member 41 is disposed along the outer peripheral edge SA of the wheelhouse S. In this case, the first harness H1 and the second harness H2 may be fixed onto the support member 41. The support member 41 may be fixed to the fender portion 1, for example, or may be configured as part of the fender portion 1. The support member 41 may also be fixed to a wheelhouse cover, an inner liner, or the like that is provided between the fender portion 1 and the wheelhouse S. Furthermore, the first harness H1 and the second harness H2 may be fixed by being sandwiched between the support member 41 and the fender portion 1 or the above-mentioned component.

[0024] In the arrangement of power supply components for a vehicle according to the embodiment, the battery 11 is arranged in the front of the fender portion 1, the charging port 21 is arranged in the center of the fender portion 1, and the on-board charger 31 is arranged in the rear of the fender portion 1 (see FIG. 1 ). That is, the on-board charger 31 is arranged on the opposite side of the charging port 21 from the battery 11 in the longitudinal direction of the vehicle. The on-board charger 31 is not limited to the above arrangement as long as it is arranged on the opposite side of the charging port 21 from the battery 11 in the longitudinal direction of the vehicle. For example, the on-board charger 31 may be arranged in the front of the fender portion 1, the charging port 21 may be arranged in the center of the fender portion 1, and the battery 11 may be arranged in the rear of the fender portion 1.

[0025] (1) The power supply component layout structure for a vehicle according to the embodiment includes a battery 11 for propelling the vehicle, a charging port 21 and an on-board charger 31 provided in a fender portion 1 of the vehicle, a first harness H1 that electrically connects the charging port 21 to the battery 11, and a second harness H2 that electrically connects the on-board charger 31 to the battery 11. The on-board charger 31 is located on the opposite side of the charging port 21 from the battery 11 in the fore-and-aft direction of the vehicle.

[0026] With the above configuration, the power supply components can be appropriately positioned within the fender portion 1 around the wheelhouse S. Therefore, even in the case of a vehicle with a large wheel diameter or a vehicle having components such as a suspension, the power supply components can be appropriately positioned by utilizing the limited space within the fender portion 1.

[0027] (2) In the embodiment, the first harness H1 is routed along the outer peripheral edge SA of one side S1 of the wheelhouse S, and the second harness H2 is routed from the other side S2 of the wheelhouse S along the outer peripheral edge SA of the one side S1. Therefore, the first harness H1 and the second harness H2 can be arranged in an arc shape along the outer peripheral edge SA of the wheelhouse S. This allows the power supply components to be more appropriately arranged within the fender portion 1 around the wheelhouse S. Furthermore, if the cross-sectional outer diameter of the second harness H2 is smaller than the cross-sectional outer diameter of the first harness H1, it becomes easier to route the second harness H2, which is relatively longer than the first harness H1, and it becomes easier to secure space for arranging the power supply components. Furthermore, by arranging the first harness H1 and the second harness H2 offset from each other in the vehicle width direction along the outer peripheral edge SA of the wheelhouse S, space can be saved compared to when the harnesses are arranged vertically stacked.

[0028] (3) Furthermore, in the embodiment, the vehicle is provided with a support member 41 disposed along the outer circumferential edge SA, and the first harness H1 and the second harness H2 are fixed onto the support member 41. This allows the first harness H1 and the second harness H2 to be fixed along the outer circumferential edge SA of the wheelhouse S. This makes it easier to route the first harness H1 and the second harness H2, allowing for more effective use of the space in which the power supply components are disposed. Furthermore, this also prevents the first harness H1 and the second harness H2 from being damaged by debris flying off the road surface while the vehicle is traveling.

[0029] (4) In addition, in the embodiment, a third harness H3 is provided that electrically connects the charging port 21 and the on-board charger 31, and the third harness H3 is connected to the upper portion 31A of the on-board charger 31. This prevents the connector C3 of the third harness H3 from being damaged by debris flying from the road surface while the vehicle is traveling. The housing of the connector C3 is mainly molded from resin. On the other hand, the case of the on-board charger 31 is molded from aluminum or the like. Therefore, when comparing the two, the case of the on-board charger 31 has higher rigidity and is less likely to be damaged by debris flying from the road surface.

[0030] (5) Furthermore, in the embodiment, the fender portion 1 is disposed at the rear of the vehicle. In general, loads are applied to the vehicle from the front more frequently than from the rear. With the above configuration, when a load is applied to the vehicle from the front, damage to the power supply components disposed at the fender portion 1 can be suppressed.

[0031] The above-described embodiments are merely examples described to facilitate understanding of the invention. The technical scope of the invention is not limited to the specific technical matters disclosed in the above-described embodiments, but also includes various modifications, changes, alternative technologies, etc. that can be easily derived therefrom.

[0032] REFERENCE SIGNS LIST 1 fender portion 11 battery 21 charging port 31 on-board charger 31A upper portion 41 support member H1 first harness H2 second harness H3 third harness S wheel house S1 one side S2 other side SA outer periphery

Claims

1. A vehicle power supply component arrangement structure comprising: a battery for driving the vehicle; a charging port and on-board charger provided in a fender portion of the vehicle; a first harness that electrically connects the charging port and the battery; and a second harness that electrically connects the on-board charger and the battery, wherein the on-board charger is arranged on the opposite side of the charging port from the battery in the fore-and-aft direction of the vehicle.

2. The vehicle power supply component arrangement structure according to claim 1, wherein the first harness is routed along the outer periphery of one side of the wheel house, and the second harness is routed from the other side of the wheel house along the outer periphery of the one side.

3. The vehicle power supply component arrangement structure according to claim 2, further comprising a support member arranged along the outer periphery, wherein the first harness and the second harness are fixed onto the support member.

4. The vehicle power supply component arrangement structure according to claim 3, further comprising a third harness that electrically connects the charging port and the on-board charger, the third harness being connected to an upper portion of the on-board charger.

5. The power supply component arrangement structure for a vehicle according to claim 4, wherein the fender portion is arranged at the rear of the vehicle.

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