JP2005206055A - Battery mounting structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide battery mounting structure capable of easily removing a mounted battery. <P>SOLUTION: A housing part 32 is formed between a floor panel 31 and a front cross member 14 provided on a frame 11, and divided into a first to third spaces 42 to 44 by extending a guide rail 41 to a floor surface 33 of the housing part 32. A battery pack 61 is removably housed in first and second spaces 42, 43 of the housing part 32, and a battery charger 101 is housed in a third space 44. In the housing state 71 housed in the housing part 32, one side surface of a case body 62 of the battery pack 61 constituting the upper surface closes an upper part opening part of the housing part 32 in the upper part of the spaces 42, 43 disposing the battery pack 61, and constitutes a floor constitution surface 72 forming a part of a floor surface 23. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a battery mounting structure for a vehicle on which a battery is mounted.

  Conventionally, an electric vehicle is equipped with a battery that supplies electric power for driving the electric vehicle.

  As a mounting method, a configuration in which a battery is set in a case or a frame and bolted to a vehicle is generally used.

  A structure in which a small battery is mounted using a dead space such as under a vehicle seat is also known.

  However, in the structure in which the battery is bolted, the battery cannot be removed basically.

  Further, in the structure mounted under the seat of the vehicle, the battery cannot be taken out unless the seat cover or the like is opened and closed.

  The present invention has been made in view of such a conventional problem, and an object of the present invention is to provide a battery mounting structure capable of easily removing a mounted battery.

  In order to solve the above problems, in the battery mounting structure according to claim 1 of the present invention, in the battery mounting structure in which the battery is mounted on the vehicle, a battery pack incorporating the battery is detachably accommodated on the floor of the vehicle. The upper opening-shaped housing portion is recessed, while the upper surface of the housing portion is closed while the one surface of the battery pack is housed in the housing portion. It was set to the floor composition side which constitutes a part.

  That is, in a state where the battery pack is housed in the housing portion recessed in the floor, the upper opening of the housing portion is closed by the floor configuration surface set in the battery pack. At this time, a part of the floor is constituted by the floor constituting surface.

  Further, in the battery mounting structure according to claim 2, a connection portion that is electrically connected to the battery in the battery pack is provided on a side surface side of the storage portion, while the connection in the storage state is provided in the battery pack. A connected portion for connecting a built-in battery to the connecting portion and electrically connecting the connected portion to the connecting portion, and connecting the connected portion to the connecting portion; A vehicle for assisting movement of the corner portion along the bottom surface is provided at the portion.

  That is, when the battery pack is accommodated in the accommodating portion, the battery pack is disposed obliquely and a vehicle provided at the corner is placed on the bottom surface of the accommodating portion. In this state, by rolling the vehicle on the bottom surface, the corner portion of the battery pack is moved along the bottom surface. Then, the connected portion provided in the battery pack is connected to the connecting portion provided on the side surface side of the housing portion, and power from the battery built in the battery pack is supplied through the connecting portion.

  Furthermore, in the battery mounting structure according to claim 3, a space in which the battery pack is disposed and a space in which a charger for charging a battery of the battery pack is disposed in the housing portion, and the battery pack and The charger was set in a shape that can be selectively placed in either of the two spaces.

  In other words, the storage section recessed in the floor is provided with a space where the battery pack is placed and a space where the charger is placed, and these spaces include either the battery pack or the charger. Can be selectively arranged.

  For this reason, when charging a vehicle-mounted battery in the vehicle, the battery pack and the charger are accommodated in the accommodating portion.

  Moreover, the battery capacity mounted is raised by arrange | positioning a battery pack in both said space.

  As described above, in the battery mounting structure according to claim 1 of the present invention, the upper opening of the housing portion is set in the battery pack in a state where the battery pack is housed in the housing portion recessed in the floor. The floor construction surface is closed, and the floor construction surface can constitute a part of the floor. For this reason, the usage-amount of the floor panel for forming a floor can be reduced, and cost reduction and weight reduction can be achieved.

  The battery pack is housed in a housing portion that is recessed in the floor, and can be taken out directly from the floor. For this reason, compared with the case where a battery is arrange | positioned under a sheet | seat, the ease of carrying out can be improved.

  And since the floor structure surface of the said battery pack serves as the cover body which closes the said accommodating part, the cover body for concealing a battery pack becomes unnecessary. This eliminates the need for opening and closing the lid when the battery is taken out. Therefore, it is possible to easily remove the mounted battery.

  Further, in the battery mounting structure according to claim 2, a vehicle is provided at a corner portion of the battery pack, and the vehicle is rolled on the bottom surface of the housing portion by housing or pulling out the battery pack at an angle. be able to. Accordingly, the battery pack can be easily housed and pulled out.

  And the said vehicle can be utilized also when moving the battery pack taken out from the vehicle. For this reason, even the battery pack incorporating a heavy battery can be easily transported.

  Furthermore, in the battery mounting structure according to claim 3, a space in which the battery pack is disposed and a space in which the charger is disposed are provided in the housing portion, and the battery pack or the charging is disposed in these spaces. Any of the vessels can be selectively placed.

  For this reason, a vehicle-mounted battery can be charged in the vehicle by accommodating the battery pack and the charger in the housing portion. Thereby, the battery can be charged at the destination.

  On the other hand, the battery capacity can be increased by arranging the battery pack in the entire space of the housing portion. Thereby, a travel distance can be extended.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing an electric vehicle 1 that is a vehicle having a battery mounting structure according to the present embodiment, and the electric vehicle 1 is configured to be able to travel by driving a traveling motor with the mounted battery. Has been.

  A frame 11 of the electric vehicle 1 includes left and right side members 12 and 13 extending in the vehicle front-rear direction on the left and right sides, and a front bridge provided on the front end and the rear end of both side members 12 and 13. And rear cross members 14 and 15, front wheels 16 and 16 are supported at the front of the frame 13, and rear wheels 18 and 18 are supported at the rear via swing arms 17 and 17. .

  A center member 21 is provided between the cross members 14 and 15 slightly to the right of the vehicle center, and a floor panel 22 is fixed between the center member 21 and the right side member 13 with bolts. Has been. As a result, a floor surface 23 is formed on the frame 11 by the floor panel 22, and a driver's seat is disposed above the floor surface 23.

  In addition, a floor panel 31 is fixed to the rear cross member 15 with bolts between the center member 21 and the left side member 12, and a floor surface 23 on the left side is formed by the floor panel 31. ing. As shown in FIG. 2, a rectangular accommodating portion 32 is formed between the floor panel 31 and the front cross member 14 (the formation position of the accommodating portion 32 is limited to this position). The bottom surface 33 of the housing portion 32 is formed by a lower panel 34 fixed to the lower surfaces of the front cross member 14 and the rear cross member 15. Thus, the floor surface 23 of the electric vehicle 1 has an upper opening shape surrounded by a floor panel 31 provided on the left side member 12, the center member 21, the front cross member 14, and the rear cross member 15. The bottomed storage portion 32 is recessed in the left side portion of the driver's seat.

  The bottom surface 33 of the housing portion 32 is provided with four guide rails 41 having inverted T-shaped cross sections, and each guide rail 41 extends in the vehicle width direction. And at equal intervals in the vehicle longitudinal direction. Thereby, the said accommodating part 32 is divided into three by the said each guide rail 41, ..., Between each guide rail 41, ..., it is 1st space 42 in order from the vehicle front F to the vehicle rear R in order. A second space 43 and a third space 44 are formed.

  As shown in FIG. 3, a connection connector 52 as a connection portion and an AC supplied connector (not shown) for supplying AC power are provided on the side surface 51 of the housing portion 32 formed by the center member 21 in each space. Terminals (not shown) provided on the connection connectors 52 and the AC supplied connectors are electrically connected to a controller provided on the electric vehicle 1.

  As shown in FIG. 2, two battery packs 61, 61 are detachably accommodated in the accommodating portion 32, and each battery pack 61, 61 is placed in the first space 42 and the second space 43. Is arranged. The battery pack 61 has a built-in battery for supplying power to the traveling motor (not shown), and the battery is accommodated in a rectangular case body 62. The case body 62 is formed in a closed cross-sectional shape having a square cross section and forms a vehicle body reinforcing structure.

  In the housing state 71 housed in the housing portion 32, one side surface of the case body 62 of the battery pack 61 that constitutes the upper surface of the housing portion 32 is located above the spaces 42 and 43 in which the battery pack 61 is disposed. The upper opening is closed so that one side surface constitutes a floor constituting surface 72 that forms a part of the floor surface 23.

  As shown in FIG. 3, the battery pack 61 has a recess 81 that is recessed inward, as shown in FIG. 3. The recess 81 is provided in the storage portion 32 in the storage state 71. An input / output connector 82 is provided as a connected portion to which the connection connector 52 is detachably connected. The input / output connector 82 is provided with an input / output terminal, and the input / output terminal is electrically connected to each of a plus electrode and a minus electrode of a built-in battery. Thereby, in the accommodation state 71, the battery can be electrically connected to the control roller of the electric vehicle 1 via the input / output connector 82 and the connection connector 52.

  When the input / output connector 82 is connected to the connection connector 52, the corner 91 of the battery pack 61 located on the bottom 33 side of the housing portion 32 moves along the bottom 33 of the corner 91. An assisting wheel 92 is provided on both sides, and the wheel 92 is configured to be guided along the guide rails 41 and 41 provided on both sides of the spaces 42 to 44. As a result, the wheels 91 and 91 are guided by the guide rails 41 and 41 so that the input / output connector 82 of the battery pack 61 is guided and connected to the connection connector 52 of the housing portion 32. It is configured.

  In the third space 44 of the housing portion 32, as shown in FIGS. 1 and 2, a charger 101 that charges a battery built in the battery pack 61 is disposed. The charger 101 has a built-in charging circuit that outputs a charging current for charging the battery, and the charging circuit is housed in the case body 102 in the same manner as the battery pack 61. The case body 102 is formed in a closed cross-sectional shape having a square-shaped cross section, and forms a reinforcing structure for the vehicle body.

  In the housing state 71 housed in the housing portion 32, the case body 102 is configured such that one side surface constituting the upper surface closes the upper opening of the housing portion 32 in the upper portion of the space 44 in which the charger 101 is disposed. The one side surface constitutes a floor constituting surface 111 constituting a part of the floor surface 23.

  On the end surface in the longitudinal direction of the charger 101, a recess recessed backward is formed in the same manner as the battery pack 61 described above. The recess is provided in the storage portion 32 in the storage state 71. A supply connector detachably connected to the connection connector 52 is provided (not shown). The power supply connector is provided with a power supply terminal connected to each of a power supply line and a ground line from a built-in charging circuit, and charging current from the charging circuit is supplied to the power supply connector and the connection terminal 52. Via the controller.

  Further, the charger 101 is provided with an AC supplied connector (not shown), and the AC supplied connector is provided with an AC supplied terminal connected to a power supply unit of a built-in charging circuit. Thus, when AC power is supplied from the controller via the AC supplied connector, the charger 101 outputs the charging current to the controller via the supply connector, and the controller selects By supplying the battery pack 61 to the battery, the battery can be charged.

  When connecting the supply connector to the connection connector 52, the corner of the charger 101 located on the bottom surface 33 side of the housing portion 32 assists the movement of the corner along the bottom surface 33 as described above. Wheels are provided on both sides, and the wheels are configured to be guided along guide rails 41 and 41 provided on both sides of each of the spaces 42 to 44. Thus, the wheel is guided by the guide rails 41, 41 so that the supply connector of the charger 101 can be guided and connected to the connection connector 52 of the housing portion 32.

  The casing 102 of the charger 101 and the casing 62 of the battery pack 61 are formed in substantially the same shape, and the battery pack 61 and the charger 101 are connected to the spaces 42 to 42 in the housing portion 32. It is configured to be selectively detachably attached to any of 44.

  In the present embodiment according to the above configuration, the battery packs 61 and 61 and the charger 101 are accommodated in the accommodating portion 32 that is recessed in the floor surface 23 of the electric vehicle 1. Are closed by the floor constituting surfaces 72 and 72 set for the battery packs 61 and 61 and the floor constituting surface 111 set for the charger 101, and a part of the floor surface 23 is formed by each of the floor constituting surfaces 72, 72 and 111. Can be configured. For this reason, the usage-amount of the floor panels 22 and 31 for forming the floor surface 23 can be reduced, and cost reduction and weight reduction can be achieved.

  The battery pack 61 is accommodated in the accommodating portion 32 that is recessed in the floor surface 23, and can be taken out directly from the floor. For this reason, compared with the case where a battery is arrange | positioned under a sheet | seat, the ease of carrying out can be improved.

  Since the floor constituting surface 72 of the battery pack 61 also serves as a lid for closing the housing portion 32, a lid for concealing the battery pack 61 is not necessary. This eliminates the need for opening and closing the lid when the battery is taken out. Therefore, it is possible to easily remove the mounted battery.

  Further, when the battery pack 61 is accommodated in the accommodating portion 32, the wheel 92 provided on the corner portion 91 in a state where the battery pack 61 is disposed obliquely is connected to the guide rail 41 on the bottom surface 33 of the accommodating portion 32, 41. In this state, by rolling the wheels 92 and 92 along the guide rails 41 and 41 of the bottom surface 33, the corner portion 91 of the battery pack 61 is moved along the bottom surface 33. Then, the input / output connector 82 provided on the battery pack 61 is connected to the connection connector 52 provided on the side surface 51 of the housing portion 32, and the electric power from the battery built in the battery pack 61 passes through the connection connector 52. Power is supplied.

  As described above, when the battery pack 61 is accommodated or pulled out obliquely, the wheels 92 and 92 can be moved while rolling on the bottom surface 33 of the accommodating portion 32. Storage and withdrawal can be easily performed.

  As shown in FIG. 4, the wheels 92, 92 can be used by rolling on the road surface 121 when the battery pack 61 taken out from the electric vehicle 1 is moved. For this reason, even the battery pack 61 with a built-in battery having a weight of about 10 kg can be easily transported.

  Further, the storage portion 32 is provided with a space in which the battery pack 61 is disposed and a space in which the charger 101 is disposed. The spaces 42 to 44 include the battery pack 61 or the space. Any of the chargers 101 can be selectively arranged.

  For this reason, by accommodating the two battery packs 61 and the single charger 101 in the accommodating portion 32, the in-vehicle battery can be charged in the vehicle. Thereby, the battery can be charged at the destination.

  On the other hand, by disposing the battery pack 61 in all the spaces 42 to 44 of the housing portion 32, the installed battery capacity can be increased to 1.5 times that when two batteries are installed. Thereby, a travel distance can be extended.

It is a top view which shows one embodiment of this invention. It is a perspective view which shows the same embodiment. It is sectional drawing which shows the principal part of the embodiment. It is explanatory drawing which shows the utilization form of the battery pack of the embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electric vehicle 23 Floor surface 32 Accommodating part 33 Bottom surface 42 1st space 43 2nd space 44 3rd space 51 Side surface 52 Connection connector 61 Battery pack 71 Accommodating state 72 Floor structure surface 82 Input / output connector 91 Corner | angular part 92 Wheel 101 Charger

Claims (3)

In a battery mounting structure for mounting a battery on a vehicle,
On the floor of the vehicle, while the recessed portion of the upper opening-shaped storage portion in which the battery pack incorporating the battery is removably stored,
One surface of the battery pack is set to a floor constituting surface that forms a part of the floor while closing the upper opening of the housing portion in the housing state in which the battery pack is housed in the housing portion. Battery mounting structure. While providing a connection part electrically connected to the battery pack built-in battery on the side surface side of the housing part,
The battery pack is provided with a connected portion that is connected to the connecting portion in the accommodated state and electrically connects a built-in battery to the connecting portion, and the accommodating portion is connected when the connected portion is connected to the connecting portion. The battery mounting structure according to claim 1, wherein a vehicle for assisting movement of the corner portion along the bottom surface is provided at a corner portion of the battery pack located on the bottom surface side of the battery pack. The housing portion is provided with a space in which the battery pack is disposed and a space in which a charger for charging the battery of the battery pack is disposed, and the battery pack and the charger are placed in either of the spaces. The battery mounting structure according to claim 1 or 2, wherein a shape that can be selectively arranged is set.

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