CN112874675B

CN112874675B - Straddle-type vehicle

Info

Publication number: CN112874675B
Application number: CN202011355058.XA
Authority: CN
Inventors: 河部洋辅; 中西浩太
Original assignee: Suzuki Motor Corp
Current assignee: Suzuki Motor Corp
Priority date: 2019-11-29
Filing date: 2020-11-27
Publication date: 2023-01-03
Anticipated expiration: 2040-11-27
Also published as: DE102020131297A1; CN112874675A; JP7347166B2; JP2021084575A

Abstract

Provided is a saddle riding type vehicle, wherein the operation of a battery and a charger is stabilized in an installation space inside a vehicle body. A saddle-ride type vehicle (1) is capable of traveling by electric power from a battery (51) charged by a charger (55). An installation space (A1) having a dimension in the vehicle width direction smaller than a dimension in the vehicle length direction is formed inside the rear frame cover (24), and the battery and the charger are arranged adjacent to each other in the vehicle width direction in such a direction that the facing area of the battery and the charger is the largest.

Description

Straddle-type vehicle

Technical Field

The present invention relates to a straddle-type vehicle.

Background

In recent years, an electric straddle-type vehicle that travels by electric power has been developed. As such a straddle-type vehicle, a pedal-type vehicle is known in which a battery and a charger are housed inside a main body below a seat (see, for example, patent document 1). The straddle-type vehicle described in patent document 1 supplies electric power from an external power supply to a battery via a charger, and an electric power unit is driven by the electric power of the battery. The battery is accommodated below the footrest, the charger is accommodated below the leg shield, and the battery and the charger are accommodated in a narrow main body of the straddle-type vehicle.

Documents of the prior art

Patent document

Patent document 1: japanese patent laid-open publication No. 2015-142407

Technical problem to be solved by the invention

As described above, since the inner side of the main body of the straddle-type vehicle is narrow and the outer surface of the main body is covered with various covers, heat generated in heat-generating components such as a battery and a charger is likely to fill the inner side of the main body. Therefore, it is desirable to suppress excessive temperature rise of the battery and the charger and stabilize the operation of the battery and the charger.

Disclosure of Invention

The present invention has been made in view of the above, and an object thereof is to provide a straddle-type vehicle capable of stabilizing operations of a battery and a charger in an installation space inside a vehicle body.

Means for solving the problems

A straddle-type vehicle according to an aspect of the present invention is a straddle-type vehicle that can be driven by electric power from a battery while charging the battery with a charger, and has an installation space formed inside a vehicle body, the installation space having a dimension in a vehicle width direction smaller than a dimension in a vehicle length direction, wherein the battery and the charger are disposed adjacent to each other in the vehicle width direction in a direction in which a facing area of the battery and the charger is the largest.

Effects of the invention

According to the saddle-ride type vehicle of one aspect of the present invention, the battery and the charger are housed adjacent to each other in the vehicle width direction inside the vehicle body having a narrow dimension in the vehicle width direction. Since the battery and the charger are opposed in a large area inside the vehicle main body, heat exchange is efficiently performed between the battery and the charger. Heat is transferred from the charger to the battery during charging and from the battery to the charger during driving. In a narrow installation space inside the vehicle body, excessive temperature rise of the battery and the charger is suppressed, and the operation of the battery and the charger can be stabilized.

Drawings

Fig. 1 is a side view of a straddle-type vehicle.

Fig. 2 is a right side view of the vehicle body frame and the electric parts.

Fig. 3 is a perspective view showing an arrangement layout of electrical components in the installation space.

Fig. 4 is a plan view showing an arrangement layout of electrical components in the installation space.

Fig. 5 is a right side view showing an arrangement layout of electric components in the arrangement space.

Fig. 6 is a pictorial view of the heat exchange between the battery and the charger.

Fig. 7 is a diagram showing the flow of the cooling air in the installation space.

Description of the symbols

1: straddle-type vehicle

24: rear frame cover (vehicle main body)

34: front wheel

44: rear wheel

51: battery with a battery cell

55: charging device

56: right side of charger (outer side)

58: heat sink

62: cooling fan

65: DCDC converter (other electric parts)

A1: setting space

A2: peripheral space of rear wheel

Detailed Description

A saddle-ride type vehicle according to an aspect of the present invention is configured to be able to travel by electric power from a battery by supplying electric power from a charger to the battery. An installation space having a small dimension in the vehicle width direction is formed inside the vehicle body, and the battery and the charger are provided adjacent to each other in the vehicle width direction in the installation space. The battery and the charger are opposed in a large area so that heat exchange is efficiently performed between the battery and the charger. In a narrow installation space of a vehicle body, heat is transferred from a charger to a battery during charging, and heat is transferred from the battery to the charger during traveling. Excessive temperature rise of the battery and the charger is suppressed, and the operation of the battery and the charger is stabilized.

(examples)

Hereinafter, the present embodiment will be described in detail with reference to the drawings. In the present embodiment, the straddle-type vehicle is a pedal-type (scooter-type) straddle-type vehicle, but the straddle-type vehicle may be another straddle-type vehicle of an electric type or a hybrid type. In the following drawings, arrow FR indicates the vehicle front, arrow RE indicates the vehicle rear, arrow L indicates the vehicle left, and arrow R indicates the vehicle right. Fig. 1 is a left side view of the straddle-type vehicle. Fig. 2 is a right side view of the vehicle body frame and the electric parts.

As shown in fig. 1, a pedal-type straddle-type vehicle 1 is configured by being mounted and fixed to a body frame 10 (see fig. 2) of an elbow-type (underbone-type) with various covers as a vehicle body exterior. A front frame cover 21 is provided on the front side of the vehicle, and a leg shield 22 for protecting the foot of the rider is provided on the rear side of the front frame cover 21. The footrest 23 extends rearward from the lower end of the leg shield 22, and a rear frame cover 24 is provided rearward of the footrest 23. A foot placing space for a rider is formed in front of the rider seat 41 by the leg shield 22 and the footrest 23.

A handle 32 is provided on the upper side of the front frame cover 21, and a front wheel 34 is rotatably supported via a pair of front forks 33 on the lower side of the front frame cover 21. A rider seat 41 and a rear seat 42 are provided on the upper side of the rear frame cover 24, and a swing arm 43 covered with a swing arm cover 47 is provided on the lower side of the rear frame cover 24 (see fig. 5). The rear wheel 44 is rotatably supported at the rear portion of the swing arm 43, and the rear portion of the swing arm 43 is connected to the vehicle body frame 10 (support frame 15) via a suspension 45.

As shown in fig. 2, a head pipe 11 into which a steering shaft (not shown) is inserted is provided at a front portion of the vehicle body frame 10. The front frame 12 extends downward from the head pipe 11, and the pair of lower frames 13 extend rearward from the lower portion of the front frame 12. The pair of rear frames 14 are erected obliquely rearward from substantially intermediate portions of the pair of lower frames 13, and the pair of support frames 15 are erected obliquely rearward from rear portions of the pair of lower frames 13. The rear portions of the pair of support frames 15 are connected to the rear portions of the pair of rear frames 14 from the lower side.

An installation space A1 (see fig. 3) for each electrical component is formed inside the pair of rear frames 14 and the pair of support frames 15, that is, inside the rear frame cover 24. Provided on the upper side of the installation space A1 are: a charger 55 for converting power supply power into direct current of a predetermined voltage; a DCDC converter (other electrical components) 65 that steps down a voltage of the direct current; and a battery 51 (see fig. 3) for charging the dc power after voltage reduction. An electric power unit 75 is provided below the installation space A1, and the electric power unit 75 is connected to the battery 51 via an inverter 71 that converts direct current power into alternating current power. The inverter 71 is disposed between the pair of lower frames 13 in front of the electric power unit 75.

The pair of rear frames 14 and the pair of support frames 15 are coupled to each other in the front-rear direction via a pair of pivot brackets 16. The rocker arm 43 is coupled to the pair of pivot brackets 16 and is swingable in the vertical direction, and the rocker arm cover 47 is attached to the rocker arm 43 as described above. The sprocket (not shown) and the chain 46 (see fig. 1) of the electric power unit 75 are covered by the rocker cover 47, and the driving force of the electric power unit 75 is transmitted to the rear wheel 44 via the sprocket and the chain 46.

Generally, the vehicle body of the straddle-type vehicle 1 is formed to be thin in the vehicle width direction and long in the vehicle length direction as a whole. The rear frame cover 24 is formed such that an installation space A1 inside the rear frame cover 24 is formed such that the dimension in the vehicle width direction decreases from the vehicle rear side toward the vehicle front side along the outer periphery of the rider seat 41 in plan view (see fig. 4). Since a plurality of electric components for charging are provided in the narrow installation space A1, heat generated from the electric components easily fills the inside of the rear frame cover 24. In order to stabilize the operation of each electrical component, a structure for suppressing an excessive temperature rise of each electrical component is desired.

In the straddle-type vehicle 1 of the present embodiment, the shapes and the arrangement of a plurality of electric components for charging are devised, and a plurality of electric components such as the battery 51 and the charger 55 are arranged in the narrow installation space A1 inside the rear frame cover 24. At this time, the charger 55 is adjacent to the battery 51 in the installation space A1, and the charger 55 and the battery 51 are opposed in a large area. Heat exchange is performed between the charger 55 and the battery 51, whereby an excessive temperature rise of the charger 55 and the battery 51 is suppressed. Further, by flowing the cooling air through the installation space A1, the hot air in the installation space A1 is discharged to the outside.

The layout of the electrical components in the installation space will be described below with reference to fig. 3 to 5. Fig. 3 is a perspective view showing an arrangement layout of electrical components in the installation space. Fig. 4 is a plan view showing an arrangement layout of electrical components in the installation space. Fig. 5 is a right side view showing an arrangement layout of electric components in the arrangement space. In addition, a part of the cable of fig. 3 to 5 is omitted.

As shown in fig. 3 to 5, the installation space A1 (see fig. 1) inside the rear frame cover 24 is formed such that the dimension in the vehicle width direction decreases from the vehicle rear side toward the vehicle front side. In the installation space A1, a battery unit 50 in which the battery 51, the charger 55, and the DCDC converter 65 are unitized via a plate-shaped bracket 77 is housed. The battery unit 50 has a shape and an arrangement that match the battery 51, the charger 55, and the DCDC converter 65 with the installation space A1, and the battery unit 50 is formed so that the battery 51, the charger 55, and the DCDC converter 65 can be collected in the installation space A1.

Similarly to the installation space A1, the battery unit 50 is formed such that the dimension in the vehicle width direction in plan view decreases from the vehicle rear side toward the vehicle front side. In a state where the pair of main surfaces of the plate-shaped bracket 77 are oriented in the vehicle width direction, the battery 51 is fixed to one main surface of the plate-shaped bracket 77, the charger 55 is fixed to a rear portion of the other main surface of the plate-shaped bracket 77, and the DCDC converter 65 is fixed to a front portion of the other main surface of the plate-shaped bracket 77. When the installation space A1 is divided into three parts in the vehicle width direction, the battery 51 is positioned from the center to the left, the charger 55 is positioned on the right rear side, and the DCDC converter 65 is positioned on the right front side.

The battery 51 is formed by housing a plurality of cells (unit cells) inside a pair of left and right

case half bodies

52, 53. The left case half 52 is positioned on the left side of the installation space A1, and the right case half 53 is positioned in the center of the installation space A1. The left case half 52 is formed in a box shape having a truncated shape in plan view, and the right case half 53 is formed in a box shape having a rectangular shape in plan view. The left and

right case members

52, 53 have a total dimension in the vehicle width direction smaller than the dimension in the vehicle length direction and the dimension in the height direction of the

case members

52, 53. The battery 51 is provided in the installation space A1 so that the short side direction thereof faces the vehicle width direction.

A swing bracket 54 for supporting the rider seat 41 (see fig. 1) is provided at an upper front end portion of the right case half 53 of the battery 51. The rider seat 41 is supported from below by the battery 51 inside the rear frame cover 24 via the swing bracket 54. The rider seat 41 is opened with the front end portion of the battery 51 serving as a fulcrum, whereby the battery unit 50 in the installation space A1 is exposed to the outside. In order to avoid the electric power unit 75, the height dimension of the front half of the battery 51 is formed smaller than the height dimension of the rear half of the battery 51.

A charger 55 is provided on the right side of the battery 51 in the installation space A1 so that the short side direction is oriented in the vehicle width direction and the long side direction is oriented in the height direction. The charger 55 is formed in a rectangular parallelepiped box shape. The charger 55 is adjacent to the rear portion of the battery 51 in the vehicle width direction. A cooling case 61 that partially covers the charger 55 is attached to the right side surface 56 of the charger 55, and a plurality of heat sinks 58 are provided in front of the cooling case 61. A cooling fan 62 for sending outside air to the right side surface 56 of the charger 55 is provided at a lower portion of the cooling case 61. The charger 55 is efficiently cooled by the cooling fan 62 and the plurality of heat sinks 58.

A DCDC converter 65 is provided in the installation space A1 in front of the charger 55 so that the short side direction faces the vehicle width direction and the long side direction faces the height direction. The DCDC converter 65 is formed in a rectangular parallelepiped box shape. The DCDC converter 65 is adjacent to the front portion of the battery 51 in the vehicle width direction and adjacent to the upper half portion of the charger 55 in the vehicle length direction. A plurality of fins 69 are provided on the right side surface of the DCDC converter 65. The DCDC converter 65 is formed to have dimensions in the height direction, the vehicle length direction, and the vehicle width direction smaller than those of the charger 55.

An electric power unit 75 is provided below the battery 51 in the installation space A1. Since the battery 51, the charger 55, the DCDC converter 65, and the electric power unit 75, which are heavy objects, are provided below the rider seat 41, the operation stability of the straddle-type vehicle 1 (see fig. 1) is improved. An inverter 71 is provided in front of the electric power unit 75. The inverter 71 is disposed in the vicinity of the battery 51 and the electric power unit 75, and therefore the power supply cable 72 from the battery 51 to the inverter 71 and the power supply cable 73 from the inverter 71 to the electric power unit 75 are shortened.

One end of power supply cable 81 is connected to charger 55, and the other end is connected to battery 51 and DCDC converter 65. One end side of power feeding cable 82 is connected to charger 55, and the other end side is connected to charging port 70 (see fig. 2) located at the front of the vehicle. The middle portion of the power supply cable 82 extends in the front-rear direction on the right side of the vehicle, passing through the inverter 71 and the right side of the electric power unit 75. The harness 89 connected to various electrical devices of the vehicle, including the power supply-related devices such as the battery 51, the charger 55, and the DCDC converter 65, the vehicle control device, and the vehicle lamp device, extends in the front-rear direction on the right side of the vehicle along the power supply cable 82, and passes through the inverter 71 and the electric power unit 75 on the right side. On the upper surface of charger 55,

connection portions

83, 84 for

power supply cables

81, 82 are formed. The battery 51 has a pair of connection portions 85 facing rightward at a front portion of a right side surface thereof, and the connector 86 of the power supply cable 81 and the connector 91 of the harness 89 are connected to the pair of connection portions 85 from the right side. The DCDC converter 65 has a connection portion 87 facing forward on the front side, and a connector 88 of the power supply cable 81 and a connector 90 of the harness 89 are connected to the connection portion 87 from the front.

As described above, the dimension in the vehicle width direction of the installation space A1 inside the rear frame cover 24 decreases from the vehicle rear side toward the vehicle front side. The battery 51 is formed in a shape to be housed from the center to the left side of the installation space A1, and the charger 55 is formed in a size to be housed on the right rear side of the installation space A1. Therefore, the battery 51 and the charger 55 are disposed adjacent to each other in the vehicle width direction in the installation space A1 having a small dimension in the vehicle width direction. A small DCDC converter 65 is provided in an idle space left in front of the charger 55. In this way, the battery 51, the charger 55, and the DCDC converter 65 are compactly housed in the installation space A1.

Next, a cooling structure of the battery and the charger will be described with reference to fig. 6 and 7. Fig. 6 is a pictorial view of the heat exchange between the battery and the charger. Fig. 7 is a diagram showing the flow of cooling air in the installation space.

As shown in fig. 6, the short sides of the battery 51 and the charger 55 face the vehicle width direction, the battery 51 and the charger 55 are disposed adjacent to each other in the installation space A1, and the facing area of the battery 51 and the charger 55 is maximized. More specifically, the left side surface of charger 55 is fixed to the right side surface of battery 51 via a plate-shaped bracket 77. The battery case of the battery 51, the plate-shaped bracket 77, and the charging case of the charger 55 are each formed of a metal material or the like having high thermal conductivity. Thereby, heat exchange is performed between battery 51 and charger 55 via plate-shaped bracket 77.

The battery case of the battery 51 is formed larger than the charging case of the charger 55. Therefore, the heat capacity of the battery case is larger than that of the charging case, and the temperature of the battery 51 is less likely to rise than that of the charger 55. During charging of battery 51, heat generation of charger 55 is absorbed by the battery case as indicated by arrow a, and excessive temperature rise of charger 55 is suppressed. The battery case absorbs heat generated by the charger 55, but the battery 51 does not excessively increase in temperature because the heat capacity of the battery case is large. Therefore, excessive temperature increases of charger 55 and battery 51 can be suppressed, and the operation can be stabilized.

During traveling of the straddle-type vehicle 1, heat generation of the battery 51 is absorbed by the charging case as indicated by arrow B, and temperature increase of the battery 51 is suppressed. The charging case absorbs heat generated by the battery 51, but since the heat capacity of the battery case itself is large and temperature rise is difficult, high temperature is not transmitted from the battery case to the charger 55, and the temperature of the charger 55 does not rise excessively. Further, since charger 55 is stopped during traveling of straddle-type vehicle 1, heat generation of battery 51 does not adversely affect the operation of charger 55. Therefore, excessive temperature increases of charger 55 and battery 51 can be suppressed, and the operation can be stabilized.

In the DCDC converter 65, an excessive temperature rise is suppressed, as in the charger 55. The battery 51 is disposed adjacent to the DCDC converter 65, and the facing area between the battery 51 and the DCDC converter 65 is maximized. The converter case of the DCDC converter 65 is also formed of a metal material or the like having high thermal conductivity. During the charging of the battery 51, heat generation of the DCDC converter 65 is absorbed by the battery case, and an excessive temperature rise of the DCDC converter 65 is suppressed. During traveling of the straddle-type vehicle 1, heat generation of the battery 51 is absorbed by the converter case, and temperature rise of the battery 51 is suppressed.

As shown in fig. 7, the rear side of the rear frame cover 24 is open, and the installation space A1 inside the rear frame cover 24 is connected to the peripheral space A2 of the rear wheel 44. A charger 55 is provided on the rear wheel 44 side of the installation space A1, and the right side surface of the charger 55 is partially covered with a cooling case 61. A cooling fan 62 for taking outside air from the peripheral space A2 of the rear wheel 44 into the cooling case 61 is provided at a lower portion of the cooling case 61. An opening (not shown) is formed in the front surface of cooling case 61, and a plurality of heat radiating fins 58 are arranged in the height direction along the front surface of cooling case 61 on right side surface 56 of charger 55.

The plurality of fins 58 extend obliquely so as to increase from the cooling fan 62 side toward the DCDC converter 65 side, that is, from the vehicle rear toward the vehicle front. Between the adjacent fins 58, a flow path for guiding the cooling air discharged from the opening of the cooling case 61 to the DCDC converter 65 is formed. In this way, the heat sink 58 functions not only as a heat radiating member but also as a guide member for the cooling air. The DCDC converter 65 is provided in front of the charger 55, and a plurality of cooling fins 69 are formed on the right side surface of the DCDC converter 65. The plurality of fins 69 extend horizontally from the vehicle rear toward the vehicle front.

The cooling fan 62 is driven during charging of the battery 51, and the outside air taken in from the peripheral space A2 of the rear wheel 44 is sent as cooling air to the cooling case 61 by the cooling fan 62. The cooling air in cooling case 61 flows along right side surface 56 of charger 55 while absorbing heat of charger 55, and flows into between plurality of heat sinks 58 through the opening of cooling case 61. The cooling air between the fins 58 is guided to the DCDC converter 65 while absorbing heat of the fins 58. Part of the cooling air after passing through the heat sink 58 is blown to the right side surface of the DCDC converter 65, and the heat of the DCDC converter 65 is absorbed.

The warmed cooling air is discharged from the rear side of rear frame cover 24 to peripheral space A2 of rear wheel 44 so as to bypass charger 55. The hot air filled in the installation space A1 is discharged to the peripheral space A2 of the rear wheel 44, the outside air is taken as cooling air from the peripheral space A2 of the rear wheel 44 into the installation space A1, and the hot air in the installation space A1 exchanges with the outside air. Thus, charger 55 is effectively cooled by the cooling air and heat sink 58, and the hot air inside rear frame cover 24 is discharged to the outside, thereby suppressing an excessive temperature rise of charger 55.

The charger 55 is formed to have a large height dimension, and the lower end of the charger 55 is positioned below the upper end of the rear wheel 44. The charger 55 approaches the peripheral space A2 of the rear wheel 44, whereby the outside air enters the setting space A1 from the peripheral space A2 so that the outside air easily contacts the charger 55. Further, the cooling fan 62 cooling the lower portion of the casing 61 facilitates the outside air to be sent from the peripheral space A2 of the rear wheel 44 into the cooling casing 61. By thus providing charger 55 vertically long and approaching rear wheel 44, the cooling effect of charger 55 is improved.

As described above, according to the present embodiment, the battery 51 and the charger 55 are housed adjacent to each other in the vehicle width direction inside the rear frame cover 24 having a narrow dimension in the vehicle width direction. Inside the rear frame cover 24, the battery 51 and the charger 55 are widely opposed, and therefore heat exchange is efficiently performed between the battery 51 and the charger 55. Further, charger 55 is cooled by cooling fan 62 and heat sink 58, and the hot air inside rear frame cover 24 is discharged to the outside by the cooling air. Thus, in the narrow installation space A1 inside the rear frame cover 24, excessive temperature increases of the battery 51 and the charger 55 are suppressed, and the operations of the battery 51 and the charger 55 are stabilized.

In the present embodiment, a pedal-type straddle-type vehicle is exemplified in which a leg shield covering a head pipe from the rear side is provided to a vehicle body frame, but the present invention is not limited to this configuration. The saddle-ride type vehicle is not particularly limited as long as it is a vehicle that can be driven by electric power from a battery while charging the battery with a charger. The straddle-type vehicle is not limited to a motorcycle, and may be an off-road type motorcycle driven by a battery, a motorcycle, a water-borne motorcycle, a small-sized agricultural vehicle (such as a lawn mower), an outboard motor, or the like.

In the present embodiment, the arrangement space for the battery and the charger is connected to the peripheral space of the rear wheel, but the present invention is not limited to this arrangement. The installation space of the battery and the charger may be connected to the peripheral space of at least one of the front wheel and the rear wheel.

In the present embodiment, the installation space for the battery and the charger is formed below the rider seat, but the present invention is not limited to this configuration. The space for installing the battery and the charger may be formed inside the vehicle body.

In the present embodiment, the battery is provided from the center to the left side of the installation space, and the charger is provided on the right rear side of the installation space. The battery and the charger may be provided adjacent to each other in the vehicle width direction in the installation space, and for example, the battery may be provided from the center to the right side of the installation space, and the charger may be provided on the left rear side of the installation space. In this case, a heat sink is provided on the left side surface of the charger, and outside air is sent from the cooling fan to the left side surface of the charger.

In the present embodiment, the cooling fan is provided at the lower portion of the cooling casing, but the present invention is not limited to this configuration. The cooling fan may be provided at a position where cooling air can be sent at least to the outer surface of the charger, and may be provided, for example, at an upper portion of the cooling case.

In the present embodiment, the cooling fan is driven during battery charging, but the cooling fan may be driven during traveling of the straddle-type vehicle.

In the present embodiment, the DCDC converter is exemplified as another electrical component, but the other electrical component may be an electrical component other than the DCDC converter.

As described above, the saddle-ride type vehicle 1 of the present embodiment is a saddle-ride type vehicle that can be driven by electric power from a battery while charging the battery 51 with the charger 55, and an installation space A1 having a dimension in the vehicle width direction smaller than a dimension in the vehicle length direction is formed inside the vehicle main body (rear frame cover 24), and the battery and the charger are arranged adjacent to each other in the vehicle width direction in such a direction that the facing area of the battery and the charger is the largest in the installation space. According to this configuration, the inner battery and the charger of the vehicle main body, which are narrow in size in the vehicle width direction, are housed adjacent to each other in the vehicle width direction. Since the battery and the charger are opposed to each other in a large area inside the vehicle main body, heat exchange is efficiently performed between the battery and the charger. Heat is transferred from the charger to the battery during charging and from the battery to the charger during driving. In a narrow installation space inside the vehicle body, excessive temperature rise of the battery and the charger is suppressed, and the operation of the battery and the charger is stabilized.

In the straddle-type vehicle of the present embodiment, the installation space is connected to the peripheral space A2 of at least one of the front wheels 34 and the rear wheels 44. According to this configuration, the hot air filling the inside of the vehicle body can be discharged to the space around at least one of the front wheels and the rear wheels, and the outside air can be taken in from the space around at least one of the front wheels and the rear wheels.

In the straddle-type vehicle of the present embodiment, the radiation fins 58 are formed on the outer side surface (right side surface 56) of the charger facing the outside in the vehicle width direction. According to this configuration, heat generated by the charger is dissipated through the heat sink, and the charger is effectively cooled.

In the saddle-ride type vehicle of the present embodiment, a cooling fan 62 that sends outside air to the outer side surface is attached to the charger. According to this configuration, the outside air is sent as cooling air from the cooling fan to the outer side surface of the charger, and the cooling air flows along the outer side surface and passes through the heat sink, whereby the charger is cooled more efficiently.

In the saddle-ride type vehicle of the present embodiment, the charger and the other electrical components (DCDC converter 65) are disposed adjacent to each other in the vehicle longitudinal direction in the installation space, and the fins extend from the cooling fan side toward the other electrical components. According to this configuration, the outside air sent from the cooling fan to the outer surface of the charger is guided to other electrical components through the heat sink. Therefore, other electrical parts are cooled by the outside air.

Further, although the present embodiment has been described, as another embodiment, the present embodiment may be configured by combining all or part of the above-described embodiments and modifications.

The technique of the present invention is not limited to the above-described embodiments, and various changes, substitutions, and alterations can be made without departing from the spirit and scope of the technical idea. In addition, if the technical idea can be realized in other ways by other technologies derived or advanced from the technology, the method can also be implemented. Therefore, the scope of the claims of the present invention encompasses all the embodiments included in the scope of the technical idea.

Claims

1. A straddle-type vehicle in which a battery is charged by a charger and which can travel by electric power from the battery,

an installation space having a dimension in the vehicle width direction smaller than a dimension in the vehicle length direction is formed inside the vehicle body,

in the installation space, the battery and the charger are adjacently arranged in the vehicle width direction in an orientation in which an opposing area of the battery and the charger is the largest,

the setting space is positioned in front of the rear wheel and is connected with the peripheral space of the rear wheel,

the charger is disposed on the rear wheel side of the disposition space,

the lower portion of the charger is positioned below the upper end of the rear wheel,

a heat sink is formed on an outer side surface of the charger facing outward in a vehicle width direction,

the sides of the charger are partially covered by a cooling housing,

a cooling fan is attached to a lower portion of the charger, and takes in external air from a space around the rear wheel and sends the external air to the outer side surface.

2. The straddle-type vehicle according to claim 1,

in the installation space, the charger and the other electric component are adjacently arranged in the vehicle length direction, and the heat sink extends from the cooling fan side toward the other electric component side.