JP2011126502A - Saddle-type vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a saddle-type vehicle capable of attaining a positive stop of a driving force of a driving wheel at the time of emergency such as the occurrence of trouble of a brake. <P>SOLUTION: A saddle-type vehicle 100 has a battery 30 and a breaker 40. The breaker 40 has a switch 41 for use in turning off an electrical power transmitted from the battery 30 to the driving wheel. The breaker 40 is installed between a seat 60 and a footrest 24 and also arranged in front of the footrest 24. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a straddle-type vehicle including a front wheel, a rear wheel, a steering mechanism configured to change the direction of the front wheel, and a handle connected to the steering mechanism.

  A straddle-type vehicle is known that includes a front wheel, a rear wheel, a steering mechanism configured to change the direction of the front wheel, and a handle connected to the steering mechanism (for example, Patent Document 1).

  In recent years, an electric straddle-type vehicle using a battery instead of an engine as a power source of the straddle-type vehicle has been proposed.

  Such an electric straddle-type vehicle is configured to supply electric power stored in a battery to a drive motor that drives a drive wheel by electrically turning on an ignition switch.

JP 2009-241871 A

  By the way, when the travel of the saddle riding type vehicle is stopped, the rotation of the drive wheels is stopped by a braking mechanism such as a brake in a normal time.

  On the other hand, in an emergency such as a brake failure, it is conceivable to stop the supply of electric power to the drive motor provided on the drive wheel by turning off the ignition switch. Alternatively, in an emergency, it is conceivable to stop supplying power to the drive motor that drives the drive wheels by pressing an emergency stop button.

  However, if there is a defect in the signal line between the ignition switch and the drive motor or the signal line between the emergency stop button and the drive motor, the drive force of the drive wheels could not be stopped. .

  Accordingly, the present invention has been made to solve the above-described problems, and provides a straddle-type vehicle capable of reliably stopping the driving force of the drive wheels in an emergency such as a brake failure. For the purpose.

  A straddle-type vehicle according to a first feature includes a front wheel, a rear wheel, a steering mechanism configured to change a direction of the front wheel, and a handle connected to the steering mechanism. The straddle-type vehicle can cut off power from the battery to the drive motor, and a battery configured to store power supplied to the drive motor that drives the drive wheel of the front wheels and the rear wheels A breaker configured as described above, a seat configured to seat a passenger, and a footrest provided below the seat. The breaker has a switch for cutting off power from the battery to the drive wheel. The breaker is provided between the seat and the footrest, and is provided in front of the footrest.

  In the first feature, the saddle riding type vehicle further includes a vehicle body frame that forms a skeleton of the saddle riding type vehicle, and a throttle that is provided on the vehicle body frame and adjusts a rotation amount of the drive motor. Prepare.

  In the first feature, the front wheel includes two front wheels, and the rear wheel includes two rear wheels. The two front wheels and the two rear wheels are the drive wheels. The drive motor includes two front wheel drive motors that drive each of the two front wheels, and two rear wheel drive motors that drive each of the two rear wheels. In the straddle-type vehicle, an assembly of two front-side control boxes that accommodates two front-wheel drive control circuits that control the two front-wheel drive motors is provided in front of the battery. An assembly of two rear control boxes that accommodates each of the two rear wheel drive control circuits that control each of the two rear wheel drive motors is provided behind the battery. The outer surface of the assembly of the two front control boxes is formed by heat radiating fins provided in each of the two front control boxes. The outer surface of the assembly of the two rear control boxes is formed by heat radiation fins provided in each of the two rear control boxes.

  In the first feature, the saddle riding type vehicle further includes a power supply socket configured to receive a power supply plug for supplying power to the battery. The power supply socket and the power supply plug are provided directly below the seat. The sheet is configured to expose the power supply socket by opening / closing the sheet or attaching / detaching the sheet.

  In the first feature, the saddle riding type vehicle further includes a body frame that forms a skeleton of the saddle riding type vehicle and includes a cradle frame. The cradle frame supports the battery at substantially the center of the cradle frame.

  In the first feature, the front wheel includes two front wheels, and the rear wheel includes two rear wheels. The two front wheels and the two rear wheels are the drive wheels. The drive motor includes two front wheel drive motors that drive each of the two front wheels, and two rear wheel drive motors that drive each of the two rear wheels. The battery includes a front wheel battery that stores electric power supplied to the two front wheel drive motors, and a rear wheel battery that stores electric power supplied to the two rear wheel drive motors.

  In the first feature, the front wheel includes two front wheels, and the rear wheel includes two rear wheels. The two front wheels and the two rear wheels are the drive wheels. The drive motor includes two front wheel drive motors that drive each of the two front wheels, and two rear wheel drive motors that drive each of the two rear wheels. The straddle-type vehicle includes two front wheel drive control circuits that control the two front wheel drive motors, two rear wheel drive control circuits that control the two rear wheel drive motors, and the two front wheels, respectively. A vehicle control circuit for controlling the drive control circuit and the two rear wheel drive control circuits, and an ignition switch connected to the vehicle control circuit via a first power line are further provided. The vehicle control circuit is connected to a power supply circuit that is one of the two front wheel drive control circuits and the two rear wheel drive control circuits via a second power line. The vehicle control circuit operates with the power supplied via the second power line after the power supply circuit is activated by the power supplied via the first power line. The second power line is connected to the second power line in response to detection of energization of the first power line, and the second power line is disconnected in response to detection of de-energization of the first power line. A switch circuit is provided.

  A straddle-type vehicle according to a second feature includes a battery configured to store electric power supplied to a drive motor that drives drive wheels among a plurality of wheels. The straddle-type vehicle is mechanically connected to the breaker configured to cut off power from the battery to the drive motor and to the breaker, and cuts off power from the battery to the drive wheels. A switch and a seat configured to be seated by a passenger. The switch is provided below the seat.

  ADVANTAGE OF THE INVENTION According to this invention, the saddle type vehicle which makes it possible to stop the driving force of a driving wheel reliably at the time of emergency, such as a brake failure, can be provided.

1 is a side view of a saddle riding type vehicle 100 according to a first embodiment. 1 is a top view of a saddle riding type vehicle 100 according to a first embodiment. It is a figure which shows the ignition unit 80 which concerns on 1st Embodiment. It is a figure which shows the control box 150 which concerns on 1st Embodiment. It is a figure which shows the control box 150 which concerns on 1st Embodiment. It is a figure which shows the assembly of a pair of control box 150 which concerns on 1st Embodiment. It is a figure which shows the assembly of a pair of control box 150 which concerns on 1st Embodiment. It is a figure which shows the electric power feeding plug 75 which concerns on 1st Embodiment. It is a figure which shows the electric power feeding plug 75 which concerns on 1st Embodiment. It is a figure which shows the electric power feeding socket 70 which concerns on 1st Embodiment. 1 is a circuit diagram of a saddle riding type vehicle 100 according to a first embodiment.

  Hereinafter, a straddle-type vehicle according to an embodiment of the present invention will be described with reference to the drawings. In the following description of the drawings, the same or similar parts are denoted by the same or similar reference numerals.

  However, it should be noted that the drawings are schematic and ratios of dimensions and the like are different from actual ones. Therefore, specific dimensions and the like should be determined in consideration of the following description. Moreover, it is a matter of course that portions having different dimensional relationships and ratios are included between the drawings.

[Outline of Embodiment]
A straddle-type vehicle according to an embodiment includes a front wheel, a rear wheel, a steering mechanism configured to change the direction of the front wheel, and a handle connected to the steering mechanism. The straddle-type vehicle is configured to store power supplied to a drive motor that drives a drive wheel among front wheels and rear wheels, and to be able to cut off power from the battery to the drive motor. A breaker, a seat configured to be seated by a passenger, and a footrest provided below the seat. The breaker has a switch for cutting off power from the battery to the drive wheels. The breaker is provided between the seat and the footrest, and is provided in front of the footrest.

  According to the embodiment, the breaker is provided between the seat and the footrest. Therefore, by operating a switch provided on the breaker with a foot, the power from the battery to the drive motor can be cut off directly, and the drive force of the drive wheels can be stopped reliably. In particular, since the switch can be operated with a foot in an emergency such as a brake failure, it is not necessary to remove the hand from the handle, and safety can be ensured. Of course, the straddle-type vehicle (drive wheel) is of course stopped due to friction between the brake and the drive wheel or friction between the drive wheel and the road surface.

  According to the embodiment, the breaker is provided in front of the footrest. Accordingly, erroneous operation of the switch provided in the breaker can be suppressed.

  In the embodiment, a four-wheel drive ATV (All Terrain Vehicle) is illustrated as an example of a saddle-type vehicle. However, the saddle riding type vehicle may be an electric motorcycle or an electric tricycle. Further, only one of the wheels provided in the saddle riding type vehicle may be a drive wheel.

[First Embodiment]
(Configuration of saddle riding type vehicle)
The straddle-type vehicle according to the first embodiment will be described below with reference to the drawings. FIG. 1 is a side view of the saddle riding type vehicle 100 according to the first embodiment. FIG. 2 is a perspective view of the saddle riding type vehicle 100 according to the first embodiment. FIG. 3 is a top view of the saddle riding type vehicle 100 according to the first embodiment. FIG. 4 is a side view of the saddle riding type vehicle 100 according to the first embodiment.

  It should be noted that wirings such as a power supply line and a signal line are omitted in FIGS. Also, it should be noted that the front wheel, the rear wheel, the seat, and the like are omitted in FIGS.

  As shown in FIGS. 1 to 4, the saddle riding type vehicle 100 includes wheels (front wheels 11 </ b> A, front wheels 11 </ b> B, rear wheels 12 </ b> A, rear wheels 12 </ b> B), a body frame 20, a battery 30, and a breaker 40. , Control boxes (front control box 51A, front control box 51B, rear control box 52A, rear control box 52B), seat 60, power supply socket 70, ignition unit 80, display unit 90, and throttle 110 Have

  The front wheels 11A and the front wheels 11B are provided in the front part of the saddle riding type vehicle 100 and are configured to be rotatable about the axle. Two front wheel drive motors (drive motor 311A and drive motor 311B) for driving each of the front wheel 11A and the front wheel 11B are provided. That is, the front wheels 11A and the front wheels 11B are drive wheels.

  The rear wheel 12A and the rear wheel 12B are provided at the rear portion of the saddle riding type vehicle 100, and are configured to be rotatable about the axle. Two rear wheel drive motors (drive motor 312A and drive motor 312B) for driving each of the rear wheel 12A and the rear wheel 12B are provided. That is, the rear wheel 12A and the rear wheel 12B are drive wheels.

  The body frame 20 forms a skeleton of the saddle riding type vehicle 100. The vehicle body frame 20 includes a cradle frame 21 configured to support a battery 30 described later.

  The cradle frame 21 has a cradle-like frame shape. Specifically, the cradle frame 21 supports the battery 30 at the approximate center of the cradle frame 21 in the front-rear direction of the saddle riding type vehicle 100. Further, the cradle frame 21 supports the battery 30 at the approximate center of the cradle frame 21 in the width direction of the saddle riding type vehicle 100.

  The body frame 20 is provided with a steering mechanism 22, a handle 23, a footrest 24, a swing arm 25, and a seat support 26.

  The steering mechanism 22 is configured to change the directions of the front wheels 11A and the front wheels 11B. The steering mechanism 22 is configured by, for example, a steering shaft or a steering gear.

  The handle 23 is connected to the steering mechanism 22 and is used to change the orientation of the front wheels 11A and the front wheels 11B. Specifically, the handle 23 has a pair of grip portions configured to be gripped with both hands of the rider. For example, the handle 23 is connected to a steering gear via a steering shaft.

  For example, the right grip portion is provided with a brake lever 23A connected to a braking mechanism for braking rotation of the front wheels 11A and the front wheels 11B by a wire or the like (not shown). Similarly, the left grip part is provided with a brake lever 23B connected to a braking mechanism for braking the rotation of the rear wheel 12A and the rear wheel 12B by a wire or the like (not shown).

  Further, an accelerator lever 23C for adjusting the rotation amount of the drive wheel is provided on the right grip portion. The accelerator lever 23C is connected to the throttle 110 by a wire or the like (not shown).

  The footrest 24 is provided below a seat 60 which will be described later, and is configured to be able to place both feet of the rider. Specifically, the footrest 24 is attached to a footrest attachment 24 </ b> A provided at the lower end of the cradle frame 21.

  One end of the swing arm 25 is attached to a support shaft provided at the rear end of the cradle frame 21, and the other end of the swing arm 25 is attached to the axles of the rear wheel 12A and the rear wheel 12B. The swing arm 25 is configured to be swingable about a support shaft provided at the rear end of the cradle frame 21.

  The sheet support 26 is configured to support a sheet 60 described later. For example, the seat support 26 includes a seat support 26A and a seat support 26B. The sheet support 26A and the sheet support 26B support the seat 60 so that it can be opened and closed. Alternatively, the seat support 26A and the seat support 26B support the seat 60 in a detachable manner.

  The battery 30 is configured to store electric power supplied to a drive motor that drives the drive wheels. For example, the battery 30 includes a front wheel battery 31 and a rear wheel battery 32. The front wheel battery 31 accumulates electric power supplied to the front wheel drive motors (drive motor 311A and drive motor 311B) that drive the front wheels 11A and the front wheels 11B. The rear wheel battery 32 stores electric power supplied to the rear wheel drive motors (drive motor 312A and drive motor 312B) that drive the rear wheels 12A and 12B. For example, in the width direction of the saddle riding type vehicle 100, the front wheel battery 31 and the rear wheel battery 32 are arranged side by side.

  The breaker 40 is configured to be able to cut off power from the battery 30 to the drive motor. Specifically, the breaker 40 has a switch 41, and switches whether to supply power from the battery 30 to the drive motor by turning the switch 41 on and off. That is, the breaker 40 does not cut off the power from the battery 30 to the drive motor when the switch 41 is on, and cuts off the power from the battery 30 to the drive motor when the switch 41 is off.

  The front control box 51A houses a front wheel drive control circuit that controls a drive motor that drives the front wheels 11A. Similarly, the front control box 51B houses a front wheel drive control circuit that controls a drive motor that drives the front wheels 11B. The front control box 51 </ b> A and the front control box 51 </ b> B are provided in front of the battery 30 in the front-rear direction of the saddle riding type vehicle 100. The front control box 51A and the front control box 51B are combined as one assembly (see FIGS. 8 and 9), as will be described later.

  The rear control box 52A houses a rear wheel drive control circuit that controls a drive motor that drives the rear wheels 12A. Similarly, the rear control box 52B accommodates a rear wheel drive control circuit that controls a drive motor that drives the rear wheel 12B. The rear control box 52 </ b> A and the rear control box 52 </ b> B are provided behind the battery 30 in the front-rear direction of the saddle riding type vehicle 100. The rear control box 52A and the rear control box 52B are combined as one assembly as described later (see FIGS. 8 and 9).

  The seat 60 is configured to be seated by a passenger. As described above, the seat 60 is supported by the seat support 26 provided on the vehicle body frame 20. The sheet 60 is configured to expose a power supply socket 70 described later by opening / closing or attaching / detaching the sheet 60.

  The power supply socket 70 is configured to receive a power supply plug (not shown) for supplying power to the battery 30. For example, the power supply socket 70 includes a power supply socket 70A and a power supply socket 70B. The power supply socket 70A receives a power supply plug for supplying power to the front wheel battery 31. The power supply socket 70B receives a power supply plug for supplying power to the rear wheel battery 32. For example, in the width direction of the saddle riding type vehicle 100, the power supply socket 70A and the power supply socket 70B are arranged side by side.

  The ignition unit 80 is provided on the handle 23. The ignition unit 80 has an ignition switch (not shown) and is configured to activate the saddle riding type vehicle 100. Specifically, as shown in FIG. 5, the ignition unit 80 includes an insertion port 82 for an ignition key 81, a switch group 83, and an emergency stop button 84.

  Note that the ignition switch 81 is turned ON / OFF by the rotation of the ignition key 81 inserted into the insertion port 82. The switch group 83 includes switches for switching various modes such as switching between the forward mode and the reverse mode. The emergency stop button 84 is a button for stopping the rotation of the drive wheels in an emergency. Specifically, when the emergency stop button 84 is pressed, the operation of the drive circuit (front wheel drive control circuit and rear wheel drive control circuit) that controls the drive wheels is stopped.

  The display unit 90 is provided on the handle 23. The display unit 90 includes a display unit 91 configured to display a traveling speed and the like, and a mode switching button 92 for switching a traveling mode.

  The throttle 110 is provided on the vehicle body frame 20. For example, the throttle 110 is provided on the cradle frame 21 above the battery 30. The throttle 110 is connected to the accelerator lever 23C by a wire or the like.

  Here, the throttle 110 is configured to adjust the amount of rotation of the drive wheels in accordance with the operation of the accelerator lever 23C. For example, the throttle 110 has an A / D converter, and is configured to adjust the amount of electric power supplied to the drive motor in accordance with the tension of the wire connecting the accelerator lever 23C and the throttle 110. .

(Control box configuration)
Hereinafter, the control box according to the first embodiment will be described with reference to the drawings. 6 and 7 are diagrams showing the control box 150 according to the first embodiment. 8 and 9 are views showing an assembly of a pair of control boxes 150 according to the first embodiment.

  Since the front control box 51A, the front control box 51B, the rear control box 52A, and the rear control box 52B have the same configuration, they will be collectively referred to as the control box 150 here. It should be noted.

  First, a single unit of the control box 150 will be described with reference to FIGS. 6 and 7. As shown in FIGS. 6 and 7, the control box 150 includes a lid body 151, a heat radiation fin 152, a wiring 153, and a terminal 154.

  The lid 151 is a surface facing the lid 151 of another control box 150 when the pair of control boxes 150 are combined, as will be described later. A drive control circuit that controls the drive wheels is provided on the back side of the lid 151, that is, on the inner side of the control box 150.

  The heat radiating fins 152 are provided on at least the surface of the control box 150 opposite to the lid 151.

  The wiring 153 is a power line (direct current) connected to the battery 30 via the breaker 40. The terminal 154 is a terminal to which a power line (AC) for each layer is connected. The power line (AC) for each layer is connected to a drive motor.

  Secondly, an assembly of a pair of control boxes 150 (control box 150A and control box 150B) will be described with reference to FIGS. As shown in FIGS. 8 and 9, in the assembly of the pair of control boxes 150, the lid 151 provided on the control box 150A and the pair of lids 151 provided on the control box 150B are interposed via the spacer 160. The control box 150A and the control box 150B are combined so as to face each other.

  Specifically, the fixture 171 is fixed to the control box 150A, and the fixture 172 is fixed to the control box 150B. The fixture 171, the spacer 160, and the fixture 172 are fixed to the arrangement board provided on the vehicle body frame 20 by screws or the like. Thereby, the control box 150A and the control box 150B are combined.

  Here, it should be noted that the outer surface of the assembly of the pair of control boxes 150 is constituted by the heat radiation fins 152 provided in the control box 150A and the heat radiation fins 152 provided in the control box 150B. Of course, the heat dissipating fins 152 may not be provided in the portion where the fixture 171 or the fixture 172 is provided.

(Configuration of power supply socket)
Hereinafter, the power supply socket according to the first embodiment will be described with reference to the drawings. 10 and 11 are views showing the power supply plug 75 to be inserted into the power supply socket 70. FIG. 12 is an enlarged view of a portion (saddle-ride type vehicle 100) where the power supply socket 70 according to the first embodiment is provided. It should be noted that the sheet 60 is omitted in FIG.

  First, the power supply plug 75 will be described with reference to FIGS. 10 and 11. As shown in FIGS. 10 and 11, the power supply plug 75 has a substantially cylindrical shape and has a terminal 76.

  Secondly, the power supply socket 70 will be described with reference to FIG. Here, FIG. 12 shows a state where the power supply plug 75 is inserted into the power supply socket 70A. Since the power supply socket 70A and the power supply socket 70B have the same configuration, here, the configuration of the power supply socket 70 will be described using the power supply socket 70B as an example.

  As shown in FIG. 12, the power supply socket 70B has a power supply hole 71B and a lid 72B. The power supply hole 71 </ b> B is a hole into which a terminal 76 provided on the power supply plug 75 is inserted. The lid 72B is configured to be rotatable about a rotation shaft provided in the power supply socket 70B.

  The rotating shaft provided in the power supply socket 70B has a spring or the like, and the cover body 72B is configured to close the power supply hole 71B unless the cover body 72B is pressed.

(Circuit diagram of saddle riding type vehicle)
Hereinafter, a circuit diagram of the saddle riding type vehicle according to the first embodiment will be described with reference to the drawings. FIG. 13 is a circuit diagram of the saddle riding type vehicle 100 according to the first embodiment.

  As shown in FIG. 13, the circuit of the saddle riding type vehicle 100 has a drive control circuit (a front wheel drive control circuit 321A, a front wheel drive control circuit 321B, a rear wheel drive control circuit 322A, and a rear wheel drive control circuit 322B). Further, the circuit of the saddle riding type vehicle 100 includes an ignition circuit 330 and a vehicle control circuit 340.

  The front wheel drive control circuit 321A controls a drive motor 311A that drives the front wheels 11A. The front wheel drive control circuit 321B controls the drive motor 311B that drives the front wheels 11B. The rear wheel drive control circuit 322A controls the drive motor 312A that drives the rear wheel 12A. The rear wheel drive control circuit 322B controls the drive motor 312B that drives the rear wheel 12B.

  Here, any one of these drive control circuits also functions as a circuit for supplying power to the vehicle control circuit 340 (hereinafter referred to as a power supply circuit). In the first embodiment, the front wheel drive control circuit 321A functions as a power supply circuit.

Specifically, front-wheel drive control circuit 321A is connected to the vehicle control circuit 340 via the power line L _2. Front-wheel drive control circuit 321A is activated by the activation signal input from the vehicle control circuit 340 via the signal line L ₄ and the signal line L _5.

On the other hand, the front wheel drive control circuit 321A steps down the power supplied from the battery 30 (front wheel battery 31) via the breaker 40, and supplies main power (for example, 12V) necessary for the operation of the vehicle control circuit 340. Generate. Front-wheel drive control circuit 321A supplies the main power to the vehicle control circuit 340 via the power line _{L 2.}

  The ignition circuit 330 is a circuit accommodated in the ignition unit 80. The ignition circuit 330 includes an ignition switch 331, a small battery 332, a mode switch group 333, and an emergency stop switch 334.

Ignition switch 331 is connected to the vehicle control circuit 340 via the power line _{L 1.} The ignition switch 331 is a switch for supplying starting power (for example, 9V) from the small battery 332 to the vehicle control circuit 340. The ignition switch 331 is turned ON / OFF according to the rotation of the ignition key 81 inserted into the insertion port 82.

Specifically, the ignition switch 331 is in the case of ON, the relative vehicle control circuit 340 from the small battery 332, starting power (for example, 9V) via the power line _{L 1} is supplied. On the other hand, when the ignition switch 331 is OFF, the starting power (for example, 9V) is not supplied from the small battery 332 to the vehicle control circuit 340.

  The small battery 332 is a battery that stores start-up power for starting the vehicle control circuit 340. The small battery 332 is, for example, a dry battery.

  The mode switch group 333 is a switch provided according to the switch group 83.

Emergency stop switch 334 is connected to the vehicle control circuit 340 via the signal line L _4. The emergency stop switch 334 via the signal line L _5, and is connected to the drive control circuit. The emergency stop switch 334 is ON when the emergency stop button 84 is not pressed, and the emergency stop switch 334 is OFF when the emergency stop button 84 is pressed. That is, the activation signal input to each drive control circuit via the signal line L ₄ and the signal line L ₅ is not input to each drive control circuit in response to the pressing of the emergency stop button 84. Thereby, each drive control circuit stops each drive motor.

  The vehicle control circuit 340 is a circuit that controls a plurality of drive control circuits (a front wheel drive control circuit 321A, a front wheel drive control circuit 321B, a rear wheel drive control circuit 322A, and a rear wheel drive control circuit 322B). The vehicle control circuit 340 includes a switch circuit 341 and an activation signal output circuit 342.

The switch circuit 341 switches whether to supply the main electric power from the front wheel drive control circuit 321A is supplied through the power line L ₂ to the circuit power supply of the vehicle control circuit 340. Specifically, the switch circuit 341 is configured to detect the energization or non-energization of the power line L _1.

The switch circuit 341 in response to the detection of the current power line L _1, the power line L ₂ and the connection state. That is, in response to detection of the current power line _{L 1,} the switch circuit 341 is turned ON. In other words, between the ignition switch 331 is ON, the main power supplied from the front-wheel drive control circuit 321A through the power line L ₂ is supplied to the circuit power of the vehicle control circuit 340.

On the other hand, the switch circuit 341 in response to the detection of non-conduction of the power line L _1, the power line L ₂ disconnected. That is, in response to the detection of non-conduction of the power line _{L 1,} the switch circuit 341 is turned OFF. In other words, when the ignition switch 331 is switched to OFF from ON, the main power supplied is not supplied to the circuit power of the vehicle control circuit 340 from the front wheel drive control circuit 321A through the power line L _2.

The start signal output circuit 342 outputs a start signal when start power (or main power) is supplied to the vehicle control circuit 340. Activation signal is inputted via the signal line L ₄ and the signal line L ₅ each drive control circuit. Thereby, each drive control circuit is activated in response to the input of the activation signal.

  The flow of starting the saddle riding type vehicle 100 in response to the rotation of the ignition key 81 inserted into the insertion slot 82 is as follows.

(1) the ignition switch 331 is turned ON, the relative vehicle control circuit 340 from the small battery 332, starting power (for example, 9V) via the power line _{L 1} is supplied. The switch circuit 341 is turned ON in response to detection of the current power line _{L 1.}

(2) from the vehicle control circuit 340 with respect to the front-wheel drive control circuit 321A, an activation signal is output via the signal line _{L 4} and the signal line _{L 5.}

  (3) The front wheel drive control circuit 321A activated by the activation signal steps down the power supplied from the battery 30 (front wheel battery 31) via the breaker 40, and the main power required for the operation of the vehicle control circuit 340 ( For example, 12V) is generated.

(4) relative to the vehicle control circuit 340 from the front wheel drive control circuit 321A, the main power is supplied through the power line _{L 2.} As a result, main power is supplied to the power supply circuit of the vehicle control circuit 340.

(Function and effect)
In the first embodiment, the breaker 40 is provided between the seat 60 and the footrest 24. Therefore, by operating the switch 41 provided on the breaker 40 with a foot, the power from the battery 30 to the drive motor can be directly cut off, and the drive force of the drive wheels can be stopped reliably. Of course, the saddle riding type vehicle 100 (drive wheel) is of course stopped due to friction between the brake and the drive wheel or friction between the drive wheel and the road surface.

  In particular, since the switch 41 can be operated with a foot in an emergency such as a brake failure, it is not necessary to release the hand from the handle 23, and safety can be ensured. That is, in an emergency, the driving force of the driving wheel can be ensured by operating the switch 41 with the foot even when the rider holds the brake lever 23B and the brake lever 23A provided on the grip portion of the handle 23. Can be stopped.

  In the first embodiment, the breaker 40 is provided in front of the footrest 24. Therefore, erroneous operation of the switch 41 provided in the breaker 40 can be suppressed.

  In the first embodiment, the throttle 110 is provided on the vehicle body frame 20. Therefore, compared with the case where the throttle 110 is provided on the handle 23, the wiring from the throttle 110 to the drive control circuit may be shortened, and noise mixed in such wiring can be suppressed.

  In the first embodiment, the assembly of the front control box 51 </ b> A and the front control box 51 </ b> B is provided in front of the battery 30 in the front-rear direction of the saddle riding type vehicle 100. Therefore, the wiring for connecting the driving motor for driving the front wheels 11A and the front control box 51A may be short, and noise can be suppressed. Similarly, the wiring connecting the drive motor that drives the front wheel 11B and the front control box 51B may be short, and noise mixed in such wiring can be suppressed.

  In the first embodiment, the assembly of the rear control box 52 </ b> A and the rear control box 52 </ b> B is provided behind the battery 30 in the front-rear direction of the saddle riding type vehicle 100. Accordingly, the wiring connecting the drive motor for driving the rear wheel 12A and the rear control box 52A may be short, and noise can be suppressed. Similarly, the wiring that connects the drive motor that drives the rear wheel 12B and the rear control box 52B may be short, and noise can be suppressed.

  In the first embodiment, the outer surface of the assembly of the pair of control boxes 150 is formed by the radiation fins 152 provided in the control box 150. Therefore, the drive control circuit accommodated in the control box 150 can be efficiently cooled.

  In the first embodiment, the power supply socket 70 is provided directly below the sheet 60, and the sheet 60 is configured so that the power supply socket 70 can be exposed by opening / closing or attaching / detaching the sheet 60. Therefore, it is possible to easily supply power while the saddle riding type vehicle 100 is stopped, while suppressing dangerous actions such as power feeding while the saddle riding type vehicle 100 is traveling.

  In the first embodiment, the cradle frame 21 that constitutes a part of the vehicle body frame 20 supports the battery 30 at the approximate center of the cradle frame 21. Therefore, the weight balance of the saddle riding type vehicle 100 can be maintained appropriately.

  In the first embodiment, the battery 30 includes a front wheel battery 31 and a rear wheel battery 32. Therefore, even when the electric power stored in one of the front wheel battery 31 and the rear wheel battery 32 runs out, the traveling of the saddle riding type vehicle 100 can be maintained.

  It should be noted that either a battery that supplies power to the driving wheels provided on the left side of the saddle riding type vehicle 100 and a battery that supplies power to driving wheels provided on the right side of the saddle riding type vehicle 100 are provided. It should be noted that it is very difficult to keep the saddle riding type vehicle 100 running when there is no power stored in the battery.

  In the first embodiment, a part of the vehicle control circuit 340 is activated by the activation power supplied from the small battery 332, and the front wheel drive control circuit 321A is activated by the activation power supplied from the small battery 332 via the vehicle control circuit 340. Starts. Therefore, even when a vehicle control circuit for controlling a plurality of drive control circuits is necessary to use an existing drive control circuit having a step-down circuit, the plurality of drive control circuits and the vehicle control circuit are appropriately activated. can do.

In such a case, the switch circuit 341 in response to the detection of non-conduction of the power line L _1, the power line L ₂ disconnected. In other words, when the ignition switch 331 is switched to OFF from ON, the main power supplied is not supplied to the circuit power of the vehicle control circuit 340 from the front wheel drive control circuit 321A through the power line L _2. Therefore, the vehicle control circuit 340 can be powered off in conjunction with the operation of the ignition key 81.

[Other Embodiments]
Although the present invention has been described with reference to the above-described embodiments, it should not be understood that the descriptions and drawings constituting a part of this disclosure limit the present invention. From this disclosure, various alternative embodiments, examples and operational techniques will be apparent to those skilled in the art.

  Although not particularly mentioned in the above-described embodiment, the switch 41 may be electrically connected to the breaker 40, but is preferably mechanically connected to the breaker 40.

  In the above-described embodiment, the case where the switch 41 is provided in the breaker 40 is illustrated. However, the embodiment is not limited to this.

  Specifically, the switch 41 is preferably mechanically connected to the breaker 40 via a coupling member such as a lever, a rod, or a wire. In such a case, the switch 41 is provided below the seat 60.

  On the other hand, the arrangement of the breaker 40 is arbitrary. For example, even if the breaker 40 is disposed at a position having a certain height from the road surface (for example, directly below the seat 60 or in front of the seat 60) so as not to be affected by the influence (water splashing etc.) from the road surface. Good.

  Or the breaker 40 may be accommodated in the battery box which accommodates a some unit cell. In such a case, the battery box is preferably provided with a waterproof shield by an elastic material such as rubber. The switch 41 is preferably provided in the vicinity of the elastic material in the battery box so that the switch 41 can be operated by pressing the elastic material from the outside of the battery box. The battery 30 described above may be considered as a battery box.

  DESCRIPTION OF SYMBOLS 11 ... Front wheel, 12 ... Rear wheel, 20 ... Body frame, 21 ... Cradle frame, 22 ... Steering mechanism, 23 ... Handle, 24 ... Footrest, 25 ... Swing arm, 26 ... Seat support, 30 ... Battery, 31 ... Front wheel Battery, 32 ... battery for rear wheel, 40 ... breaker, 41 ... switch, 60 ... seat, 70 ... power supply socket, 71 ... power supply hole, 72 ... cover, 75 ... power supply plug, 76 ... terminal, 80 ... ignition unit , 81, ignition key, 82, insertion port, 83, switch group, 84, emergency stop button, 90, display unit, 91, display unit, 92, mode switching button, 100, straddle-type vehicle, 110, throttle, 150 ... Control box 151 ... Bottom surface 152 ... Heat radiating fin 153 ... Wiring 154 ... Terminal 160 ... Spacer 171 172: Fixture, 311, 312 ... Drive motor, 321, 322 ... Drive control circuit, 330 ... Ignition circuit, 331 ... Ignition switch, 332 ... Small battery, 333 ... Mode changeover switch group, 334 ... Emergency stop switch, 340 ... Vehicle control circuit, 341 ... switch circuit, 342 ... start signal output circuit

Claims (8)

A straddle-type vehicle comprising a front wheel, a rear wheel, a steering mechanism configured to change the direction of the front wheel, and a handle connected to the steering mechanism,
A battery configured to store electric power supplied to a drive motor that drives a drive wheel out of the front wheel and the rear wheel;
A breaker configured to cut off power from the battery to the drive motor;
A seat configured to be seated by a passenger;
A footrest provided below the seat,
The breaker has a switch for cutting off power from the battery to the drive wheel,
The straddle-type vehicle, wherein the breaker is provided between the seat and the footrest, and is provided in front of the footrest. A body frame forming a skeleton of the straddle-type vehicle;
The straddle-type vehicle according to claim 1, further comprising a throttle provided on the vehicle body frame and configured to adjust a rotation amount of the drive motor. The front wheel includes two front wheels, and the rear wheel includes two rear wheels;
The two front wheels and the two rear wheels are the drive wheels,
The drive motor includes two front wheel drive motors that drive each of the two front wheels, and two rear wheel drive motors that drive each of the two rear wheels,
Assemblies of two front control boxes that house each of the two front wheel drive control circuits that control each of the two front wheel drive motors are provided in front of the battery,
An assembly of two rear control boxes that accommodates each of the two rear wheel drive control circuits that control each of the two rear wheel drive motors is provided behind the battery,
The outer surface of the assembly of the two front control boxes is formed by heat radiating fins provided in each of the two front control boxes,
2. The straddle-type vehicle according to claim 1, wherein outer surfaces of the assemblies of the two rear control boxes are formed by heat radiating fins provided in the two rear control boxes. A power supply socket configured to receive a power supply plug for supplying power to the battery;
The power supply socket is provided directly under the seat,
The straddle-type vehicle according to claim 1, wherein the seat is configured such that the power supply socket can be exposed by opening / closing the seat or attaching / detaching the seat. Forming a skeleton of the saddle riding type vehicle, further comprising a body frame including a cradle frame;
The straddle-type vehicle according to claim 1, wherein the cradle frame supports the battery at a substantially center of the cradle frame. The front wheel includes two front wheels, and the rear wheel includes two rear wheels;
The two front wheels and the two rear wheels are the drive wheels,
The drive motor includes two front wheel drive motors that drive each of the two front wheels, and two rear wheel drive motors that drive each of the two rear wheels,
The battery includes a front wheel battery for storing electric power supplied to the two front wheel drive motors, and a rear wheel battery for storing electric power supplied to the two rear wheel drive motors. The straddle-type vehicle according to 1. The front wheel includes two front wheels, and the rear wheel includes two rear wheels;
The two front wheels and the two rear wheels are the drive wheels,
The drive motor includes two front wheel drive motors that drive each of the two front wheels, and two rear wheel drive motors that drive each of the two rear wheels,
Two front wheel drive control circuits for controlling each of the two front wheel drive motors;
Two rear wheel drive control circuits for controlling each of the two rear wheel drive motors;
A vehicle control circuit for controlling the two front wheel drive control circuits and the two rear wheel drive control circuits;
An ignition switch connected to the vehicle control circuit via a first power line;
The vehicle control circuit is connected via a second power line to a power supply circuit that is one of the two front wheel drive control circuits and the two rear wheel drive control circuits,
The vehicle control circuit operates with power supplied via the second power line after starting the power supply circuit with power supplied via the first power line,
The second power line is connected to the second power line in response to detection of energization of the first power line, and the second power line is disconnected in response to detection of de-energization of the first power line. The straddle-type vehicle according to claim 1, wherein a switch circuit is provided. A straddle-type vehicle including a battery configured to store electric power supplied to a drive motor that drives drive wheels among a plurality of wheels,
A breaker configured to cut off power from the battery to the drive motor;
A switch mechanically connected to the breaker, for cutting off power from the battery to the drive wheel;
And a seat configured to be seated by a passenger,
The straddle-type vehicle, wherein the switch is provided below the seat.

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