JP4126961B2 - Power supply mounting structure - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a vehicle equipped with a power supply device such as an electric vehicle or a hybrid vehicle, and more particularly to a mounting structure of the power supply device.
[0002]
[Prior art]
In order to drive a motor, an electric vehicle and a hybrid vehicle are equipped with a power supply device having a battery and an electric control component for controlling the battery. Various places such as the underbody, that is, under the floor panel, the cargo room, or under the seat have been proposed as places for installing this power supply device. There is little possibility that the function of the power supply unit is impaired. As a vehicle in which a battery is installed in a vehicle interior (that is, on a floor panel where a seat is provided), for example, there is a vehicle described in Japanese Patent Application Laid-Open No. 2000-233648. In this publication, a space for accommodating a battery is formed under the front seat by a floor panel and a cover panel, and the battery is accommodated in the space. A seat slider is installed on the upper surface of the cover panel, and a front seat is installed on the seat slider.
[0003]
[Problems to be solved by the invention]
By the way, the battery and the electric control component may require maintenance and inspection work. As described in the above publication, when the seat slider is installed on the upper surface of the cover panel that covers the battery, when performing maintenance on the battery, the seat slider and the cover panel are further removed after removing the seat. Since it must be removed, there is a problem that the efficiency of the maintenance inspection work is not good.
[0004]
The present invention has been made against the background of the above circumstances, and an object of the present invention is to provide a power supply device mounting structure that allows easy maintenance and inspection of the power supply device.
[0005]
The maintenance / inspection work for the power supply device includes a work for shutting off the power supply circuit in the power supply device for the maintenance / inspection work for the electrical components connected to the power supply device.
[0010]
[Means for Solving the Problems]
To achieve the above object, the present invention provides a power supply device mounting structure in which a power supply device including a battery and a maintenance / inspection component is disposed below at least one of a driver's seat and a passenger seat of a vehicle. A pair of seat rails for guiding the seat is disposed in the front-rear direction of the vehicle; and (b) the seat is guided by the pair of seat rails, Slide the vehicle in the front-rear direction between the normal position that restricts the operation of the maintenance and inspection parts and the inspection position that is located at the foremost side of the vehicle and ahead of the normal position where the maintenance and inspection parts can be operated. rotatably in provided, (c) the power supply apparatus is a floor of the passenger compartment located between the pair of seat rails under the seat, when the seat is in the normal position the rear end of the seat Located ahead of that Seat when in the inspection position is positioned to the rear end of the seat located on the front side of the vehicle than the rear end surface of the power supply, (d) the maintenance part, said to the maintenance position The power supply device mounting structure is characterized in that maintenance and inspection work can be performed from the side opposite to the moving direction of the seat .
[0011]
【The invention's effect】
According to the present invention, (a) a pair of seat rails for guiding the seat on the floor of the passenger compartment is disposed in the front-rear direction of the vehicle, and (b) the seat is configured by the pair of seat rails. The normal position for restricting the operation of the maintenance / inspection parts in the power supply apparatus and the maintenance / inspection parts can be operated at the most front side of the vehicle and ahead of the normal position. slidably provided between an inspection position in the longitudinal direction of the vehicle, (c) the power supply apparatus is a floor of the passenger compartment located between the pair of seat rails under the seat, the seat When in the normal position, it is positioned forward of the rear end of the seat, and when the seat is in the inspection position, the rear end of the seat is positioned in front of the rear end surface of the power supply device. arranged, (d) the maintenance parts, the maintenance Maintenance inspection work can be performed from the opposite side to the moving direction of the seat to the position, so even if the seat is not removed, only the seat is slid to slide away from the moving direction of the seat. From the above, it is possible to perform maintenance and inspection work for the maintenance and inspection parts of the power supply device.
[0012]
Other aspects of the invention
Here, preferably, the maintenance / inspection component includes a circuit interruption component that interrupts a power supply circuit including a battery in the power supply device. In this way, the power supply circuit can be shut off by simply sliding the seat without removing the seat.
[0013]
Preferably, the power supply device is disposed between a pair of seat rails under the seat in a vehicle cabin.
[0014]
Preferably, the power supply device is disposed between a pair of seat rails on the floor of the passenger compartment and under the seat, and the maintenance / inspection component includes a moving direction of the seat for performing maintenance / inspection work. Can be inspected from the opposite side. In this way, the amount of movement of the seat during the maintenance inspection work can be reduced as compared with the case where the maintenance inspection work for the maintenance inspection parts is performed from above. Therefore, the power supply device mounting structure can be applied to a vehicle such as a five-door vehicle in which the movement amount of the seat cannot be increased so much. Preferably, the seat is inverted to the front side or the rear side of the vehicle around a seating position where the power supply device is housed in a lower part and a rotation axis parallel to the vehicle width direction, and the entire power supply device is exposed. It is a tumble sheet that can be switched between tumble positions to be moved. In this way, since the entire power supply device is exposed by inverting the seat in the tumble position, it is not necessary to remove the seat rail as well as the seat rail during the maintenance and inspection work of the power supply device. Maintenance inspection becomes easy.
[0015]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view of a passenger seat 10 of a vehicle having a battery mounting structure to which the present invention is applied. The passenger seat 10 has a seat portion 12 and a backrest portion 14, and a headrest 16 is detachably attached to an upper end of the backrest portion 14.
[0016]
A pair of seat rails 18 parallel to the vehicle front-rear direction are provided below the seat portion 12 at both ends in the vehicle width direction. The seat rail 18 is fixed to a lower rail 18a fixed on a floor panel (floor plate) 20, fixed to the lower surface of the seat portion 12, and is slidable in the longitudinal direction with respect to the lower rail 18a and guided thereto. And upper rail 18b. With the seat rail 18, the passenger seat 10 can move in the vehicle longitudinal direction.
[0017]
The hinges 22 are respectively fixed to the vehicle front end of the upper rail 18b and the vehicle front end of the lower surface of the seat 12, and the coupling between the seat 12 and the upper rail 18b by a seat lock mechanism (not shown) is released. As a result, the passenger seat 10 can rotate about a rotation axis A parallel to the horizontal direction of the hinge 22 and in the vehicle width direction. A box-shaped power supply device 24 is disposed on the floor panel 20 between the pair of seat rails 18 below the seat portion 12.
[0018]
A box-shaped power supply device 24 is also disposed between the pair of seat rails 18 under the seat 12 of the driver's seat 26. FIG. 2 is a plan view showing the position of the power supply device 24 with respect to the driver seat 26 and the passenger seat 10 in the vertical direction. In FIG. 2, the passenger seat 10 is in a normal position where an occupant is seated, and the driver seat 26 is slid to the front of the vehicle.
[0019]
The power supply device 24 is disposed such that the vehicle width direction length is shorter than the length between the pair of seat rails 18 and the position in the vehicle width direction is substantially coincident with the center of the seat portion 12 in the vehicle width direction. Yes. The length of the power supply device 24 in the vehicle front-rear direction is shorter than the length of the seat 12 in the vehicle front-rear direction, and the position in the vehicle front-rear direction is slightly behind the center of the seat rail 18 in the vehicle front-rear direction. Is located on the vehicle rear side with respect to the rotational axis A of the hinge 22, and the rear end is disposed on the vehicle front side with respect to the vehicle rear side end portion of the seat rail 18.
[0020]
The power supply device 24 is entirely covered with a power supply device cover 28, and a battery 30 including a plurality (four in the figure) of battery cells 30 a is accommodated in the power supply device cover 28. The battery 30 supplies power to electrical equipment outside the power supply device 24 such as a water pump provided in the engine room.
[0021]
In the power supply device cover 28, in addition to the battery 30, electrical circuit components 32 such as a relay, a fuse, and a current sensor, a fan 34 for cooling the battery 30, and a service plug that constitutes a part of the power supply circuit together with the battery 30 36 etc. are accommodated. The duct 38 is for discharging gas that may be generated from the battery 30 to the outside of the vehicle, and a part of the duct 38 is accommodated in the power supply device cover 28.
[0022]
The service plug 36 is disposed on the vehicle rear side in the power supply device cover 28. The service plug 36 is a circuit interruption component, that is, a maintenance inspection component for interrupting the power supply circuit when performing maintenance inspection of an electric device that is supplied with electric power from the battery 30.
[0023]
As shown in the state of the passenger seat 10 in FIG. 2, in the state where the passenger seat 10 or the driver's seat 26 is positioned at the normal seating position, the power supply device 24 is farther forward than the rear end of the seat 12. Therefore, the service plug 36 in the power supply 24 cannot be removed in this state. However, as shown in the state of the driver seat 26 in FIG. 2, when the driver seat 26 or the passenger seat 10 is slid most forward along the seat rail 18, the rear end of the seat portion 12 (that is, the seat moving direction). Is positioned on the front side of the vehicle (that is, on the moving direction side of the seat) with respect to the rear end surface of the power supply device cover 28, so that the operator can easily reach the rear end surface of the power supply device cover 28. As a result, the service plug 36 can be removed.
[0024]
FIG. 3 is a view of the power supply device 24 as seen from the vehicle rear side. A cover 42 for maintenance and inspection work is attached to the rear wall 40 that forms the rear side surface of the power supply device cover 28. The lid 42 is provided at a position facing the service plug 36. When the passenger seat 10 or the driver's seat 26 is slid to the most front side of the vehicle, the lid 42 can be easily removed, and when the lid 42 is removed, the service plug 36 can be easily removed.
[0025]
The service plug 36 connects a battery side terminal 46 electrically connected to a negative terminal (not shown) of the battery 30 and a body side terminal 48 connected to the floor panel 20, and the service plug 36 is removed by removing the service plug 36. Since the power supply circuit is cut off, after the service plug 36 is removed, it is possible to safely perform maintenance and inspection work on the electrical equipment connected to the battery 30.
[0026]
Furthermore, when the state where the front passenger seat 10 or the driver's seat 26 is not located on the upper portion of the power supply device 24 is required, such as replacing the entire power supply device 24, first, as shown in FIG. 4, the headrest 16 is removed and the backrest is removed. Defeat part 14 forward. And after canceling | releasing the coupling | bonding of the seat part 12 and the upper rail 18b by the seat lock mechanism which is not shown in figure, the seat (namely, the passenger seat 10 or the driver's seat 26) is rotated centering on the rotational axis A of the hinge 22, As shown in FIG. 5, the passenger seat 10 or the driver's seat 26 is in an inverted state (tumble state). In this way, since the entire power supply device 24 is exposed, the entire power supply device 24 can be maintained and inspected without removing the seat 10 or 26 and the seat rail 18. In FIGS. 4 and 5, the seats 10 and 26 are slid in the front direction of the vehicle, but may be in an inverted state without being slid.
[0027]
In the power supply device mounting structure shown in the above-described embodiment, the seats 10 and 26 are slidable to a position where the service plug 36 of the power supply device 24 can be removed. Therefore, even if the seats 10 and 26 are not removed. The service plug 36 can be removed simply by sliding the seats 10 and 26.
[0028]
In the power supply device mounting structure shown in the above-described embodiment, the service plug 36 can be removed from the side surface (rear wall 40) opposite to the direction in which the seats 10, 26 are moved in order to remove the service plug 36. it can. Therefore, in order to remove the service plug 36, the seats 10 and 26 may be slid to a position where the rear wall 40 is on the vehicle front side with respect to the rear end of the seat portion 12. On the other hand, when the service plug 36 is to be removed from above, it is necessary to slide the seats 10 and 26 to a position where the rear end of the seat portion 12 is in front of the vehicle with respect to the service plug 36. Therefore, since the power supply device mounting structure of the above-described embodiment can reduce the amount of movement of the seat as compared with the case where the service plug 36 is removed from above, the movement of the seats 10, 26 can be performed like a five-door vehicle. The above power supply device mounting structure can also be applied to a vehicle in which the amount cannot be increased too much.
[0029]
Further, in the above-described embodiment, since the power supply device 24 is disposed between the seat rail 18 below the passenger seat 10 and the driver seat 26, maintenance and inspection work of the power supply device 24 can be performed without removing the seat rail 18. it can.
[0030]
In the above-described embodiment, when the front seats (passenger seat or driver's seat) 10, 26 are turned upside down, the front seats 10, 26 are not positioned above the power supply device 24. In this case, not only does it become unnecessary to remove the seat rail 18, but also it is not necessary to remove the front seats 10, 26.
[0031]
As mentioned above, although one Example of this invention was described based on drawing, this invention is applied also in another aspect.
[0032]
For example, in the above-described embodiment, the power supply device 24 is disposed at substantially the same height as the seat rail 18, but the floor panel 20 of the portion where the power supply device 24 is installed is formed in a concave shape, The height direction position may be lower than the height direction position of the seat rail 18. In short, the power supply device 24 only needs to be positioned between the seat rails 18 in the horizontal direction.
[0033]
In the above-described embodiment, the power supply device 24 is disposed below the passenger seat 10 and the driver seat 26. However, even if the power supply device 24 is disposed below either the passenger seat 10 or the driver seat 26. It may be arranged under the rear seat.
[0034]
In the above-described embodiment, the front seats 10 and 26 are inverted when the maintenance and inspection work for the entire power supply device 24 is performed. However, the front seats 10 and 26 may be removed. Even when the front seats 10 and 26 are removed and the power supply device 24 is maintained and inspected, there is no need to remove the seat rail 18 as in the prior art, so the work efficiency is improved. Further, the seat may be configured to be slidable to a position where it does not overlap with the power supply device 24 arranged under the seat in the vertical direction. If it does in this way, the maintenance inspection work of the whole power supply device 24 can be done only by sliding a seat.
[0035]
In the above-described embodiment, the front seats 10 and 26 are rotatable about the rotation axis A parallel to the vehicle width direction of the front end portion of the seat rail 18 in the vehicle width direction. A rotation axis A parallel to the vehicle width direction may be provided on the vehicle rear side of the rear end of 24, for example, on the vehicle rear direction end of the seat rail 18.
[0036]
Further, in the above-described embodiment, the power supply device 24 is disposed on the vehicle rear side under the front seats 10 and 26, and the front seats 10 and 26 are slid forward when performing maintenance and inspection work. Although the maintenance inspection work is performed, the power supply device 24 is disposed on the front side of the vehicle below the front seats 10 and 26, and the front seats 10 and 26 are slid rearward during the maintenance inspection work. The maintenance inspection work may be performed from the front.
[0037]
In the above-described embodiment, the power supply device 24 under the passenger seat 10 or the driver seat 26 includes the electric circuit component 32 and the like in addition to the battery 30, but only a part of the power supply device 24, for example, the battery 30 is under the seat. May be arranged.
[0038]
In the above-described embodiment, the maintenance / inspection component in the power supply device 24 is the service plug 36. However, the electric circuit component 32 may be a maintenance / inspection operation target. Further, a computer for controlling the power supply device 24 may be provided in the power supply device 24, and the computer may be a target of maintenance inspection work as a maintenance inspection part.
[0039]
In the above-described embodiment, the service plug 36 is removed from the rear of the power supply device 24, but may be removed from above. When the service plug 36 is removed from above, the seat is configured to be slidable until the seat is not positioned above the service plug 36.
[0040]
As mentioned above, although the Example of this invention was described in detail based on drawing, this is an embodiment to the last, and this invention implements in the aspect which added various change and improvement based on the knowledge of those skilled in the art. Can do.
[Brief description of the drawings]
FIG. 1 is a perspective view of a passenger seat of a vehicle having a battery mounting structure to which the present invention is applied.
FIG. 2 is a plan view showing a position of the power supply device with respect to a driver seat or a passenger seat in the vertical direction.
FIG. 3 is a view of the power supply device as viewed from the rear side of the vehicle.
FIG. 4 is a view showing a state in which a backrest portion of a passenger seat or a driver seat is tilted to the vehicle front side.
FIG. 5 is a diagram in which a passenger seat or a driver seat is inverted.
[Explanation of symbols]
10: Passenger seat (seat)
12: Seat 14: Backrest 18: Seat rail 24: Power supply device 26: Driver's seat (seat)
36: Service plug (circuit interruption parts, maintenance / inspection parts)

Claims (3)

A power supply device mounting structure in which a power supply device including a battery and maintenance / inspection parts is disposed under at least one of a driver seat or a passenger seat of a vehicle,
A pair of seat rails for guiding the seat on the floor of the passenger compartment is disposed in the front-rear direction of the vehicle,
The seat is guided by the pair of seat rails so as to restrict the operation of the maintenance / inspection parts in the power supply device, and is located at the most front side of the vehicle and ahead of the normal position. Provided to be slidable in the front-rear direction of the vehicle between inspection positions where the maintenance inspection parts can be operated ,
The power supply device is located between a pair of seat rails on the floor of the passenger compartment and under the seat, and when the seat is in the normal position, the power device is located forward of the rear end of the seat, Is located so that the rear end of the seat is located on the vehicle front side with respect to the rear end surface of the power supply device,
The power supply device mounting structure , wherein the maintenance / inspection part can perform maintenance / inspection work from a side opposite to a moving direction of the seat to the maintenance / inspection position .   The power supply device mounting structure according to claim 1, wherein the maintenance / inspection component includes a circuit interruption component that interrupts a power supply circuit including a battery in the power supply device. A seating position in which the seat accommodates the power supply device in a lower portion; and a tumble position in which the seat is inverted to the vehicle front side or the vehicle rear side around a rotation axis parallel to the vehicle width direction to expose the entire power supply device. power supply mounting structure according to claim 1 or 2 which is switchable tumble sheet.

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