JP4289117B2 - Battery fixing structure for driving auxiliary equipment - Google Patents

Description

  The present invention relates to a structure for fixing a battery for driving an auxiliary machine, and in particular, the height of a battery for driving an auxiliary machine arranged in a cargo compartment can be kept low, and the height of the battery protruding into the cargo compartment. It is related with the fixing structure of the battery for driving an auxiliary machine which can make low and can ensure the space of a luggage compartment widely.

  Among vehicles, there is a fuel cell vehicle in which electric energy is generated by supplying hydrogen gas stored in a hydrogen tank to a fuel cell as fuel, and a traveling motor is driven by this electric energy. A fuel cell vehicle includes a hydrogen tank that stores hydrogen gas, a fuel cell that generates electrical energy using hydrogen gas as fuel, and a power unit auxiliary machine that includes electrical components that control the generation of electrical energy by the fuel cell and the drive of the motor. It is equipped with.

  The power unit auxiliary machine is usually disposed in a luggage compartment provided above the floor panel of the vehicle. In this cargo compartment, an auxiliary battery for driving the power unit auxiliary machine is disposed and fixed together with the power unit auxiliary machine.

A conventional battery fixing structure is a battery tray that is attached to a vehicle body and on which a battery is placed, and is inserted into a wire harness routed along the inner wall surface of the body to connect the inner wall surface of the body. In order to hold it between the two, there is one in which a groove-shaped holding portion protruding upward is formed on the bottom plate of the battery tray.
Further, in the conventional battery fixing structure, the vehicle is installed between the opposed vertical portions of the L-shaped angle arranged in contact with the lower end of the battery side wall and the lower end of the lower wall at both ends in the longitudinal direction of adjacent batteries. There is a cross pin or retainer on the lower surface of the floor provided with a stopper pin having a lower end integrally fixed to a fixed portion to the vehicle floor, and each battery is locked to the vehicle floor by this stopper pin.
Japanese Utility Model Publication No. 2-20271 Japanese Utility Model Publication No. 1993-28728

  By the way, in the battery fixing structure for driving auxiliary equipment mounted on a vehicle such as a fuel cell vehicle, a cargo compartment 108 is provided above the floor panel 106 constituting the vehicle body 104 of the vehicle 102 as shown in FIG. A leg portion 112 of the tray 110 provided with a bracket (not shown) that gives strength to the floor panel 106 of the cargo compartment 108 is fixed, and the power unit auxiliary device 116 together with the power unit auxiliary device 116 on the flat plate portion 114 of the tray 110. Some components such as a battery 118 for driving an auxiliary device for driving 116 are arranged and fixed.

  However, the fixing structure of the battery 118 has a disadvantage that the space of the luggage compartment 108 is limited due to the large parts such as the power unit auxiliary machine 116 and the battery 118 for driving the auxiliary equipment disposed in the luggage compartment 108. .

  The battery 118 is fixed to the tray 110 in a state where the tray 110 is floated from the floor panel 106 in order to pass a harness or the like (not shown) from the floor panel 106 to the tray 110. There is an inconvenience that the height of the luggage compartment 108 from the floor panel 106 is limited by the height of the parts to be arranged.

  In particular, since the battery 118 for driving the auxiliary machine is higher than the power unit auxiliary machine 116 that is an electrical component, the space of the luggage compartment 108 is further limited.

  According to the present invention, a cargo room is provided above a floor panel of a vehicle, and in a battery fixing structure for driving an auxiliary machine that drives a power unit auxiliary machine arranged in the cargo room, a tray is provided in the cargo room, A space portion in which a flat plate portion for mounting the power unit auxiliary machine on the tray and a leg portion fixed to the floor panel are provided, and a harness is routed between the flat plate portion of the tray and the floor panel by the leg portion. A notch portion is provided in the flat plate portion, and the battery for driving the accessory is passed through the notch portion and directly disposed on the floor panel, and the battery for driving the accessory is fixed to the tray. Features.

In the battery fixing structure for driving an auxiliary machine according to the present invention, a notch is provided in a flat plate part of a tray fixed to a floor panel by a leg part, and the battery for driving the auxiliary machine is passed through the notch part to the floor panel. By directly arranging and fixing the battery for driving the auxiliary equipment on the tray, the height of the battery for driving the auxiliary equipment arranged in the luggage compartment is held down and fixed by the height of the legs of the tray. Can do.
For this reason, the battery fixing structure for driving the auxiliary machine can reduce the height of the battery protruding into the cargo compartment, and can secure a large space in the cargo compartment.

The battery structure for driving an auxiliary machine according to the present invention is such that the battery for driving the auxiliary machine is directly placed on the floor panel by passing the battery for driving the auxiliary machine through a notch provided in the flat plate part of the tray, so that the battery protrudes into the cargo compartment. The height of the door is lowered to secure a large cargo space.
Embodiments of the present invention will be described below with reference to the drawings.

  1 to 6 show a first embodiment of the present invention. 1 and 2, 2 is a vehicle such as a fuel cell vehicle, 4 is a vehicle body, 6 is a floor panel, 8 is a vehicle body member, and 10 is a luggage compartment. The vehicle 2 travels by generating electric energy by a fuel cell using hydrogen gas stored in a hydrogen tank (not shown) as a fuel and driving a traveling motor.

  The vehicle 2 is provided with a vehicle body member 8 oriented in the front-rear direction on the lower surface of the floor panel 6 constituting the vehicle body 4, and a cargo compartment 10 is provided above the floor panel 6. The cargo compartment 10 is provided with a power unit auxiliary machine 12 composed of electrical parts for controlling generation of electric energy by the fuel cell and driving of the motor, and a battery 14 for driving the auxiliary machine for driving the power unit auxiliary machine 12. ing.

  The power unit auxiliary machine 12 includes a fuse box 12A, a main conductor 12B, a main switch 12C, a controller 12D, and the like.

  The vehicle 2 is provided with a tray 16 on the floor panel 6 of the luggage compartment 10. As shown in FIG. 5, the tray 16 includes a flat plate portion 18 on which the power unit auxiliary machine 12 is mounted and a leg portion 20 fixed to the floor panel 6. The flat plate portion 18 is provided with a notch portion 22 through which the battery 14 passes, and a harness insertion hole 24 through which a harness (not shown) is inserted.

  The tray 16 with the leg 20 fixed to the floor panel 6 forms a space 26 in which a harness is routed between the flat plate 18 and the floor panel 6 by the leg 20 as shown in FIGS. Provided. The tray 16 is directly disposed on the floor panel 6 by passing the battery 14 through a notch 22 provided on the front side in the vehicle longitudinal direction of the flat plate portion 18, and the battery 14 is fixed to the tray 16.

  As shown in FIG. 2, a fuse box 12A, a main conductor 12B, a battery 14, and a main switch 12C are fixed to the flat plate portion 18 of the tray 16 in the width direction of the vehicle 2, and the fuse box 12A and the battery 14 are connected to each other. A main conductor 12B is disposed between them. A plurality of fuse boxes 12A are provided surrounding the side of the main conductor 12B and the front-rear direction.

  The vehicle 2 is provided with a vehicle body member 8 on the lower surface of a floor panel 6 constituting the vehicle body 4. As shown in FIG. 1, the battery 14 for driving auxiliary equipment that is passed through the notch 22 provided in the flat plate portion 18 of the tray 16 is directly disposed on the floor panel 6 positioned above the vehicle body member 8. Further, the vehicle body member 8 extends along the longitudinal direction of the battery 14.

  In the battery 14, a band member 28 is disposed on the upper surface of the battery 14, and the band member 28 is connected and fixed to the flat plate portion 18 of the tray 16 by a band support tool 30. The band support 30 includes a support bolt 32 and a pair of support nuts 34 and 36. In the band support member 28, the lower end of the support bolt 32 is inserted into the support hole 38 (see FIG. 5) of the flat plate portion 18 and the support nut 34 is screwed, and the upper end is inserted into the support grooves 40 at both ends of the band member 28. Then, the support nut 36 is screwed and the band member 28 is fixed to the flat plate portion 18 with the lower surface of the band member 28 pressed against the upper surface of the battery 14.

  As a result, the battery 14 disposed directly on the floor panel 6 through the notch 22 provided in the flat plate portion 18 is fixed to the tray 16.

  As described above, the auxiliary drive battery 14 is fixed to the floor 16 by providing the tray 16 in the cargo compartment 10 of the vehicle 2 and mounting the power unit auxiliary machine 12 on the tray 16. The leg portion 20 is provided with a space portion 26 in which a harness is routed between the flat plate portion 18 of the tray 16 and the floor panel 6.

  The battery 14 is fixed in such a manner that a notch 22 is provided in the flat plate portion 18 of the tray 16, the battery 14 is passed through the notch 22 and directly disposed on the floor panel 6, and disposed on the tray 16 on the upper surface of the battery 14. By connecting and fixing the band member 28 to the flat plate portion 18 of the tray 16 by the band support tool 30, an auxiliary machine driving device disposed in the cargo compartment 10 while providing the space portion 26 in which the harness is routed is provided. The height of the battery 14 can be fixed while being reduced by the height h of the leg portion 20 of the tray 16.

  For this reason, the auxiliary structure driving battery 14 fixing structure can reduce the height of the battery 14 protruding into the cargo compartment 10, and the power unit auxiliary machine 12 and the auxiliary driving battery 14 are arranged. A wide space can be secured for the cargo space 10 provided.

  Further, this auxiliary machine driving battery 14 fixing structure is such that the vehicle body member 8 is provided on the lower surface of the floor panel 6 and the battery 14 is directly disposed on the floor panel 6 positioned above the vehicle body member 8, thereby By utilizing the portion of the panel 6 reinforced by the vehicle body member 8, the battery 14 having a certain amount of weight can be arranged directly on the floor panel 6, and the vehicle body member 8 extends along the longitudinal direction of the battery 14. Thus, the floor panel 6 on which the battery 14 is directly arranged can be reinforced by the vehicle body member 8.

  Further, the auxiliary battery driving structure 14 is fixed to the flat plate portion 18 of the tray 16 by fixing the fuse box 12A, the main conductor 12B, and the battery 14 in the width direction of the vehicle 2 and fixing the fuse box 12A. Since the main conductor 12B is disposed between the battery 14 and the battery 14, the main contactor 12B, which is an important part, can be disposed on the center side of the vehicle body 4, and can be protected from external impacts.

  When the harness is routed from the fuse box 12A or the like to the related parts under the floor panel 6, the length of the harness can be increased by arranging the fuse box 12A or the like on the flat plate portion 18 of the tray 16 directly above the related parts. The length can be shortened and the weight can be reduced.

  FIG. 6 shows a second embodiment. In this embodiment, the auxiliary device driving battery 14 fixing structure is such that the flat plate portion 16 itself of the tray 16 is disposed directly on the vehicle body member 8 integrated with the floor member 6 without using the legs 20. The space 26 in which the harness is routed is provided on the lower side of the floor panel 6.

  In this embodiment, the auxiliary drive battery 14 fixing structure eliminates the space 26 in which the harness between the flat plate portion 18 of the tray 16 and the floor panel 8 is routed. Can be secured more widely.

  The auxiliary drive battery fixing structure according to the present invention ensures a large space for the cargo space by directly passing the auxiliary drive battery through the notch provided in the flat plate portion of the tray and directly placing it on the floor panel. The present invention can be applied not only to fuel cell vehicles but also to vehicles equipped with internal combustion engines and hybrid vehicles.

It is a schematic sectional drawing of the luggage compartment which shows the 1st Example of the fixing structure of the battery for auxiliary machinery drive. It is a top view of the luggage compartment of a vehicle. It is a top view of the battery fixed to the tray. It is a rear view of the battery fixed to the tray. A tray is shown, (A) is a top view, (B) is a rear view, (C) is a side view. It is a schematic sectional drawing of the luggage compartment which shows the 2nd Example of the fixing structure of the battery for an auxiliary machine drive. It is a schematic sectional drawing of the luggage compartment which shows the prior art example of the fixing structure of the battery for driving an auxiliary machine.

Explanation of symbols

2 Vehicle 4 Car body 6 Floor panel 8 Car body member 10 Cargo compartment 12 Power unit auxiliary machine 14 Battery for driving auxiliary machine 16 Tray 18 Flat plate part 20 Leg part 22 Notch part 24 Harness insertion hole 26 Space part 28 Band member 30 Band support

Claims (5)

  In a structure for fixing a battery for driving auxiliary equipment for driving a power unit auxiliary machine disposed in the cargo compartment, a cargo compartment is provided above the floor panel of the vehicle, and a tray is provided in the cargo compartment, and the power unit is provided in the tray. A flat plate portion for mounting an auxiliary machine and a leg portion fixed to the floor panel are provided, and a space portion in which a harness is routed between the flat plate portion of the tray and the floor panel is provided by the leg portion, A flat plate is provided with a notch, the auxiliary driving battery is inserted through the notch directly on the floor panel, and the auxiliary driving battery is fixed to the tray. Fixed structure for battery for machine drive.   The battery fixing structure for driving auxiliary equipment according to claim 1, wherein a band member is disposed on the upper surface of the battery, and the band member is connected to a flat plate portion of the tray by a band support.   2. The accessory driving battery according to claim 1, wherein a vehicle body member is provided on a lower surface of the floor panel, and the battery for driving the auxiliary device is directly disposed on the floor panel positioned above the vehicle body member. Battery fixing structure.   4. The structure for fixing a battery for driving an auxiliary machine according to claim 3, wherein the vehicle body member extends along a longitudinal direction of the battery for driving the auxiliary machine.   A fuse box, a main conductor, and the battery for driving the auxiliary machine are fixed together in the width direction of the vehicle on the flat plate portion of the tray, and the main conductor is placed between the fuse box and the battery for driving the auxiliary machine. The battery fixing structure for driving auxiliary equipment according to claim 1, wherein the battery fixing structure is arranged.

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