JP6546762B2 - vehicle - Google Patents

Description

  The present invention relates to a vehicle equipped with an electrical device.

  Vehicles such as HEVs (Hybrid Electrical Vehicles) and EVs (Electrical Vehicles) are equipped with an electric device such as a battery for driving a motor or a high voltage system device, and this type of electric device There is known a vehicle equipped with an electrical device storage unit in which the storage unit is stored (see, for example, Patent Document 1).

  Patent Document 1 describes that the electric device storage unit and the fuel tank are arranged side by side in the lateral direction of the vehicle when the electric device storage unit is arranged below the rear seat. However, in such an arrangement configuration, since the position of one side in the left-right direction of the electric device storage unit is defined by the fuel tank, when it is necessary to increase the size of the electric device storage unit, the left-right direction of the electric device storage unit There is a possibility that the other side approaches the side face portion of the vehicle and is susceptible to an impact at the time of a side collision.

  On the other hand, Patent Document 2 describes that the electric device storage unit and the fuel tank are arranged side by side in the longitudinal direction of the vehicle when the electric device storage unit is arranged below the rear seat. Further, a fuel pipe is connected to the fuel tank, and the fuel pipe is routed along the lower surface of the floor panel to the front of the vehicle.

Patent No. 3879339 JP, 2013-212719, A

  In the vehicle described in Patent Document 2, since the fuel tank is disposed at the rear of the electrical device storage unit, it is required to arrange the fuel piping so as to bypass the electrical device storage unit. When the fuel pipe is detoured above or below the electrical device storage unit, the position of the electrical device storage unit can not be lowered, so there is room for improvement in that the vehicle compartment space is limited. Further, as shown in Patent Document 2, it is possible to divert the fuel piping to one side in the left-right direction of the electric device storage portion, but in this case, the fuel piping is protected from an impact or the like at the time of a side collision. There is room for improvement in terms of

  An object of the present invention is to provide a vehicle capable of protecting a fuel pipe from an impact from a side surface while suppressing an influence on a cabin space.

In order to achieve the above object, the invention according to claim 1 is
An electrical device (e.g., an electrical device D in an embodiment described later);
An electrical device storage unit (for example, an electrical device storage body P in an embodiment described later) for storing the electrical device;
A floor panel (for example, a floor panel F in an embodiment described later) fixed between a pair of left and right skeleton members (e.g., a skeleton member 18 in an embodiment described later);
A vehicle (for example, a vehicle V in an embodiment described later) in which the electric device storage unit is disposed on the floor panel,
The electric device storage unit is disposed via the pair of left and right frame members and a space (for example, spaces S2 and S2 in an embodiment described later) in which the lower part is opened .
Adjacent to the space on at least one side of the space (for example, the left side in the embodiment to be described later) in the bottom portion (for example, the bottom 31a in the embodiment to be described later) of the electric device storage unit An extending recess (e.g., a stepped recess 31 f in an embodiment described later),
In the electric device storage portion, a maintenance inspection switch (for example, a power supply breaker 13 in an embodiment described later) is disposed vertically above the recess.
A fuel pipe (for example, a fuel pipe 22 in an embodiment described later) is disposed in the recess below the floor panel .

The invention according to claim 2 is
A vehicle according to claim 1 , wherein
The electric device storage portion includes a pair of front side reinforcements (for example, front side reinforcements R1 in an embodiment described later) and rear reinforcements (for example, a rear side in an embodiment described later) straddling the pair of left and right frame members. Fastened to the reinforcement R2)
Below the front reinforcement portion, a void (for example, void S4 in an embodiment described later) is formed,
The fuel pipe is routed in the gap.

The invention according to claim 3 is
A vehicle according to claim 2 , wherein
The floor panel is
A kick-up unit (for example, a kick-up unit 16a in an embodiment described later) formed to rise upward;
And a housing recess (for example, a housing recess H in an embodiment to be described later) recessed to the rear of the kick-up portion,
The electric device storage unit is disposed on the front lower side of a rear seat (e.g., the rear seat 12 in the later-described embodiment) in the housing recess.
The front reinforcement portion is positioned above the kickup portion.

The invention according to claim 4 is
The vehicle according to any one of claims 1 to 3 , wherein
In the recess, in addition to the fuel pipe, a brake pipe (for example, a brake pipe 23 in an embodiment described later) is installed.

The invention according to claim 5 is
The vehicle according to claim 4 , wherein
The fuel pipe is arranged on the inner side in the vehicle width direction than the brake pipe.

  According to the first aspect of the present invention, at the bottom of the electric device storage portion, at least one space side is provided with a recess adjacent to the space and extending in the vehicle longitudinal direction, and the fuel piping is disposed in the recess The fuel pipe can be protected from the impact received at the time of a side collision or the like.

In addition , since the maintenance inspection switch is disposed in the electric device storage section vertically above the recess, the maintenance inspection switch can be protected from an impact received at a side collision or the like.

According to the second aspect of the present invention, by arranging the fuel pipe in the space formed below the front reinforcement portion, the fuel pipe can be particularly protected from the impact due to the collision in the vehicle longitudinal direction. In addition, the void portion facilitates the installation of the fuel pipe, and the assemblability can also be improved.

According to the third aspect of the present invention, the electric device storage portion is disposed on the front lower side avoiding the buttocks (hip points) in the rear seat, and the fuel pipe is disposed at a position avoiding the bottom portion of the electric device storage portion. By wiring, it is possible to suppress the influence of the rear seat on the cabin space.

According to the fourth aspect of the present invention, the brake pipe can be protected from the impact received at the time of a side collision or the like.

According to the fifth aspect of the present invention, the fuel pipe can be protected more reliably from the impact received at the side collision or the like.

It is a perspective view which shows the electric device container mounted in the vehicle which concerns on one Embodiment of this invention, and its periphery. It is a perspective view which shows the mounting front of an electric device container. It is XX sectional drawing of FIG. It is principal part sectional drawing which shows the left side (fuel piping wiring side) of the YY cross section of FIG. It is principal part sectional drawing which shows the right side (DC line penetration part side) of the YY cross section of FIG. FIG. 3 is a bottom view of an essential part of a vehicle showing the arrangement of DC lines and fuel piping.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. In the following description, the front, rear, left, right, up, and down are Fr, Rr on the front, Rr on the left, L on the left, and right in the following description according to the direction viewed from the driver. One side is indicated as R, the upper side as U, and the lower side as D.

  As shown in FIGS. 1 to 3, a vehicle V according to this embodiment is, for example, a hybrid vehicle, and an electric device container P for housing an electric device D is mounted. The electric device housing P is disposed in the housing recess H recessed in the floor panel F and is fastened to the floor panel F.

[Electric device container]
First, the electric device container P will be described with reference to FIGS. 1 to 5.
The electric device housing P shown in FIGS. 1 to 5 includes a case 3 and a lid 4 covering the opening of the case 3, and an electric device D such as a battery 1 and a DC / DC converter 2 and a battery 1 inside. Contains a cooling part C for cooling the The part C for cooling includes the intake grille 5, the internal intake duct 6, the internal exhaust duct 7, the cooling fan 8 and the like.

  The case 3 is a horizontally long substantially rectangular parallelepiped resin member having an open upper side, and a case main body 31 opening upward, and an annular flange portion 32 extending outward from an opening edge of the case main body 31, have.

  A front wall 31b, a rear wall 31c, a left side wall 31d and a right side wall 31e are erected on the case body 31 so as to surround a rectangular bottom 31a which is long in the vehicle width direction. In the case body 31, the battery 1 is offset on the left side across the center in the vehicle width direction (left-right direction), and the DC / DC converter 2 is disposed on the right side. A stepped recess 31f is provided on the bottom 31a of the case body 31 so as to extend in the longitudinal direction of the vehicle at the left end (the connection with the left side wall 31d).

  As shown in FIG. 5, the right side flange portion 32 of the case 3 is longer than the left side (hereinafter, the right side flange portion 32 is referred to as an extension flange portion 32a), and the extension flange portion 32a A through hole 32 b is formed to penetrate vertically. The through hole 32 b is a hole for drawing out the DC line 11 connected to the DC / DC converter 2 to the outside of the electric device housing P. The DC line 11 connected to the DC / DC converter 2 is a high voltage line, and is drawn to the lower side of the floor panel F through the through hole 32 b of the case 3 and the DC line penetrating portion T of the floor panel F It is routed along the lower surface of F.

  The lid 4 is a member for closing the opening of the case main body 31 and supports the seat front side (front side of the buttocks) of the rear seat 12 on its upper surface. The lid 4 has a ceiling portion 43 formed in a substantially rectangular shape substantially corresponding to the opening of the case main body 31, a substantially square frame shaped vertical wall 44 hanging down integrally from the outer peripheral edge of the ceiling portion 43, and a vertical wall 44 And a flange portion 45 extending outward from the lower end edge of the frame. Strictly speaking, the ceiling portion 43 is wider on the right side than the case main body 31 so as to cover the extension flange portion 32 a of the case 3.

  On the left side of the ceiling portion 43, a mounting hole 43a is formed for mounting the power supply breaker 13 used for maintenance. Further, on the surface of the vertical wall 44 facing the front, an intake hole 44 a for attaching the intake grill 5 is formed on the left side. Furthermore, although illustration is omitted, an exhaust hole connecting the exhaust duct 9 is formed on the surface of the vertical wall 44 facing the right.

  As shown in FIG. 3, the flange portion 45 of the lid 4 is sealed by being superimposed on the flange portion 32 of the case 3 via the annular seal member 51. The flange members 32 and 45 overlapped are collar members 53 interposed between the flanges 32 and 45 and the floor panel F by a plurality of bolts B passing through the flanges 32 and 45 from above. , And is screwed into a nut N previously welded to the lower side of the floor panel F.

  The cooling part C sucks the air in the passenger compartment 14 into the interior of the electric device housing P, cools the battery 1 with the sucked air, and discharges the cooled air into the cargo compartment 15 as a cooling channel. Configured. The intake grill 5 is attached to an intake hole 44 a formed in the vertical wall 44 of the lid 4 and takes in the air of the vehicle compartment 14 into the interior of the electric device housing P from the lower front of the rear seat 12. An internal intake duct 6 communicating with the intake grill 5 is disposed forward of the battery 1, and an internal exhaust duct 7 communicating with the cooling fan 8 is disposed rearward of the battery 1. That is, the internal intake duct 6 and the internal exhaust duct 7 are distributed to the front and rear sides in the case 3, and the battery 1 to be cooled is disposed between the internal intake duct 6 and the internal exhaust duct 7. Ru.

  The cooling fan 8 is disposed at the right end of the case 3 and outside the DC / DC converter 2, that is, between the right side wall 31 e of the case body 31 and the DC / DC converter 2. The cooling fan 8 includes a drive unit 8a constituted by a rigid motor, a blade 8b made of resin rotationally driven by the drive unit 8a, and a resin case 8c accommodating the drive unit 8a and the blade 8b. It is disposed in the case 3 vertically. In addition, vertically disposed means that the rotation axis O is disposed so as to face the vehicle width direction. The cooling fan 8 is, for example, a sirocco fan, and a drive unit 8a is provided at the center thereof, and a cylindrical blade 8b is disposed on the outer peripheral side of the drive unit 8a.

  The internal exhaust duct 7 is connected to the cooling fan 8 from the rear of the battery 1 through the rear of the DC / DC converter 2. The cooling fan 8 is in communication with the luggage compartment 15 via the exhaust duct 9. When the cooling fan 8 is driven, the air in the passenger compartment 14 is drawn into the electric device housing P via the intake grille 5. The air sucked from the intake grill 5 cools the battery 1 by flowing from the inner intake duct 6 to the inner exhaust duct 7 while passing through the battery 1. The cooled air flowing into the inner exhaust duct 7 is sucked into the cooling fan 8 and is discharged into the luggage compartment 15 through the exhaust duct 9.

[Floor panel]
Next, the floor panel F will be described with reference to FIGS. 1 to 6.

  As shown in FIGS. 1 to 3, in the floor panel F, the front floor panel 16 constituting the floor of the compartment 14 and the rear floor panel 17 constituting the floor of the luggage compartment 15 are located below the rear seat 12. The both ends in the vehicle width direction are connected to a pair of left and right frame members 18 extending along the front-rear direction.

  The rear end of the front floor panel 16 is formed with a kickup portion 16a that rises upward. Further, a center tunnel 16 b is formed at the center in the vehicle width direction of the front floor panel 16 along the front-rear direction. The center tunnel 16b is bent so that the front floor panel 16 is convex upward, and a trapezoidal tunnel space S1 is formed below. An exhaust pipe 10 and the like are disposed in the tunnel space S1.

  A housing recess H is recessed on the front side of the rear floor panel 17, and the electric device housing P is housed therein. The housing recess H is a space surrounded by the front wall 17a, the rear wall 17b, the left side wall 17c, the right side wall 17d, and the bottom 17e, and as shown in FIG. A space S2 is provided between the frame member 18 adjacent to the wall 17c, and as shown in FIG. 5, between the right side wall 17d and the frame member 18 adjacent to the right side wall 17d, A space S3 is provided. These spaces S2 and S3 (hereinafter referred to as buffer spaces S2 and S3) function as buffer areas for absorbing the impact at the time of a side collision. Further, in the bottom portion 17e, a stepped concave portion 17g corresponding to a stepped concave portion 31f formed in a stepped shape in the bottom portion 31a of the case main body 31 is formed, and a concave portion 17f through which the exhaust pipe 10 passes extends in the vehicle longitudinal direction. It is provided as.

  As shown in FIG. 3, on the front and rear sides of the housing recess H, a front reinforcing portion R1 and a rear reinforcing portion R2 straddling the left and right framework members 18 are provided. In the state sealed by the seal member 52 of FIG. The front reinforcing portion R1 of the present embodiment includes the upper portion of the kickup portion 16a of the front floor panel 16, the front end portion 17h of the rear floor panel 17, the upper portion of the front wall portion 17a of the housing recess H, and the front wall portion. A closed cross section is configured by the front side connecting member 19 which connects the height direction intermediate portions of the kickup portion 16a with each other 17a. Further, the rear reinforcing portion R2 of the present embodiment is separated from the upper portion of the rear wall 17b of the housing recess H, the rear floor 17i extending rearward from the upper end of the rear wall 17b, and the rear wall 17b. A closed cross section is configured by the rear floor portion 17i and the rear connection member 20 that connects the middle portion in the height direction of the rear wall portion 17b.

  Below the front reinforcing portion R1, there is formed a gap S4 surrounded by the front reinforcing portion R1 at the upper side, the kickup portion 16a at the front, and the front wall portion 17a of the housing recess H at the rear. As shown in FIG. 6, the space portion S4 extends in the vehicle width direction, and both end portions in the vehicle width direction communicate with the buffer spaces S2 and S3 secured on the side of the housing recess H, The vehicle width direction intermediate portion communicates with the tunnel space S1 of the center tunnel 16b. The tunnel space S1 of the center tunnel 16b is divided up and down by the cover 21, and the exhaust pipe 10 is disposed below the cover 21.

[Wiring of DC line, fuel piping and brake piping]
Next, the wiring of the DC wire 11, the fuel pipe 22, and the brake pipe 23 will be described with reference to FIGS.

  The DC line 11 is drawn from the inside of the electric device housing P to the lower side of the floor panel F via the through hole 32 b of the case 3 and the DC line penetrating portion T of the floor panel F described above. The drawing-out position is a buffer space S3 secured between the housing recess H and the right side frame member 18, and is routed from here to the front of the vehicle V along the lower surface side of the floor panel F, and the engine room Is connected to a motor (not shown) that is a drive source of the vehicle V provided in the vehicle via an inverter (not shown).

  More specifically, as shown in FIG. 6, the DC line 11 drawn from the electric device container P to the buffer space S3 has the buffer space S3 along the right side wall 17 d forming the housing recess H. After being bent to the left, the vehicle is routed to the center in the vehicle width direction through the air gap S4 along the front wall 17a. The DC wire 11 is arranged in a gap S4 surrounded by the front reinforcing portion R1 at the upper side, the kick-up portion 16a at the front, and the front wall portion 17a at the rear by the rear, thereby protecting against impact and the like at the time of collision. Be done.

  The DC line 11 in which the right side region of the gap S4 is routed to the center in the vehicle width direction is further routed along the center tunnel 16b through the tunnel space S1 to the front of the vehicle V. As described above, the tunnel space S1 of the center tunnel 16b is divided up and down by the cover 21, and the DC line 11 is separated from the exhaust pipe 10 by being arranged in the upper space of the cover 21. .

  Further, on the lower side of the floor panel F, in addition to the DC line 11, a fuel pipe 22 and a brake pipe 23 are installed. The fuel piping 22 is routed from the fuel tank 24 disposed behind the electrical device housing P to the front of the vehicle V along the lower surface of the floor panel F, and an engine (not shown) that is a drive source of the vehicle V Connected to). The brake piping 23 is a hydraulic piping that connects a pair of left and right rear wheel brakes (not shown) provided at the rear of the vehicle V and a brake operation mechanism such as a hydraulic pump (not shown) provided at the front of the vehicle V Similarly to the fuel piping 22, it is routed along the lower surface of the floor panel F to the front of the vehicle V.

  As shown in FIG. 6, the fuel pipe 22 and the brake pipe 23 are bent to the right through the lower side of the stepped recess 17 g of the floor panel F corresponding to the stepped recess 31 f formed in the bottom 31 a of the case main body 31. After that, along the front wall portion 17a of the housing recess H, it is routed through the air gap S4 to the center in the vehicle width direction.

  The stepped recess 17g of the floor panel F is adjacent to the buffer space S2 formed between the left side wall 17c of the housing recess H and the framework member 18, and in the vehicle width direction than the left side wall 17c of the housing recess H. Located inside Thus, the fuel pipe 22 and the brake pipe 23 disposed in the stepped recess 17g are protected from the impact at the side collision.

  In the present embodiment, in arranging the fuel pipe 22 and the brake pipe 23 in the stepped recess 17 g of the floor panel F, the fuel pipe 22 is arranged on the inner side in the vehicle width direction than the brake pipe 23. In addition, the power supply breaker 13 is accommodated in the electric device housing P vertically above the stepped recess 17g (the stepped recess 31f).

  Further, the fuel piping 22 and the brake piping 23 are, similarly to the DC wire 11, in the air gap S4 surrounded by the front reinforcing portion R1 at the upper side, the kickup portion 16a at the front, and the front wall 17a of the accommodation recess H at the rear. It is protected from the impact at the time of a collision, etc. by being wired.

  The fuel piping 22 and the brake piping 23 arranged along the center tunnel 16b on the left side of the air gap S4 are in the tunnel space S1 opposite to the DC line 11 with the exhaust pipe 10 interposed therebetween. It is routed along to the front of the vehicle V. The fuel pipe 22 and the brake pipe 23 are separated from the exhaust pipe 10 by being arranged in the upper space of the cover 21 in the same manner as the DC line 11.

  As described above, according to the vehicle V relating to the present embodiment, at the bottom portion 31a of the electric device container P, at least one buffer space S2 is adjacent to the buffer space S2 side and extends in the vehicle longitudinal direction Since the recess 31f is provided and the fuel pipe 22 is installed in the stepped recess 31f, the fuel pipe 22 can be protected from an impact received at a side collision or the like.

  Moreover, since the power supply breaker 13 is accommodated in the electric device housing P above the stepped recess 31f, the power supply breaker 13 can be protected from an impact received at a side collision or the like.

  Further, since the fuel pipe 22 is disposed in the space S4 formed below the front side reinforcement R1, the fuel pipe 22 can be protected even from an impact caused by a collision in the vehicle longitudinal direction. Further, the void portion S4 facilitates the installation of the fuel pipe 22, and the assemblability can also be improved.

  Also, the electric device housing P is disposed on the front lower side avoiding the buttocks (hip points) in the rear seat 12, and the fuel piping 22 is arranged at a position avoiding the bottom of the electric device housing P. The influence of the rear seat 12 on the cabin space can be suppressed.

  In addition, since the brake piping 23 is wired in the stepped recess 31 f, the brake piping 23 can be protected from an impact received at the time of a side collision or the like.

  In addition, since the fuel pipe 22 is wired on the inner side in the vehicle width direction than the brake pipe 23 when the fuel pipe 22 and the brake pipe 23 are wired in the stepped recess 31 f, the fuel pipe 22 is It can protect more reliably.

  The present invention is not limited to the above-described embodiment and modifications, and appropriate modifications, improvements, and the like can be made. For example, in the embodiment, although the front reinforcing portion R1 and the rear reinforcing portion R2 are configured by using a part of the floor panel F, the front reinforcing by a separate member without using the part of the floor panel F You may comprise part R1 and back side reinforcement part R2.

D Electrical Device F Floor Panel H Housing Recess P Electrical Device Housing (Electric Device Housing)
R1 front reinforcement R2 rear reinforcement S2 space S3 space S4 air gap V vehicle 12 rear seat 13 power breaker (switch for maintenance inspection)
16a Kick-up part 18 Frame member 22 Fuel piping 23 Brake piping 31a Bottom 31f Step-like recess

Claims (5)

Electrical devices,
An electrical device storage unit for storing the electrical device;
A floor panel fixed between the pair of left and right frame members;
It is a vehicle in which the said electric device storage part is arrange | positioned on the said floor panel, Comprising:
The electric device storage unit is disposed via the pair of left and right frame members and a space opened downward .
The bottom portion of the electric device storage portion is provided with a concave portion adjacent to the space on at least one of the space sides and extending in the vehicle longitudinal direction,
In the electric device storage unit, a switch for maintenance inspection is disposed vertically above the recess,
A vehicle in which a fuel pipe is wired in the recess below the floor panel . A vehicle according to claim 1 , wherein
The electric device storage portion is fastened to a pair of front and rear reinforcing portions straddling the pair of left and right frame members,
An air gap is formed below the front reinforcement portion,
A vehicle in which the fuel pipe is routed in the gap. A vehicle according to claim 2 , wherein
The floor panel is
A kickup portion formed to rise upward,
And an accommodating recess recessed to the rear of the kick-up portion,
The electric device housing is disposed on the front lower side of the rear seat in the housing recess,
The front reinforcement portion is located above the kickup portion. The vehicle according to any one of claims 1 to 3 , wherein
In addition to the fuel pipe, a brake pipe is wired in the recess. The vehicle according to claim 4 , wherein
The vehicle according to the present invention, wherein the fuel pipe is wired inward in the vehicle width direction than the brake pipe.

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