JP2965750B2 - Controller arrangement structure for electric motorcycle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric motorcycle, and more particularly, to an arrangement structure of a controller for controlling electric and electronic components such as a drive motor for a traveling motor.

[0002]

2. Description of the Related Art An electric motorcycle is usually provided with a controller, which inputs electric voltage of a battery and controls electric and electronic components such as a driving motor.

[0003]

[SUMMARY OF THE INVENTION Incidentally, der ones controller that provided in the electric motorcycle shape larger
Therefore, this controller can be simply
When installed in a vehicle, the outer shape of the vehicle becomes excessive,
Well, there is a possibility that the ride comfort of the vehicle may be reduced.
You.

The above-mentioned controller is composed of electronic parts.
Required sufficient maintenance and inspection work.
To make this task easier
Is preferred.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and an electric motorcycle has a large shape.
Even if the vehicle has a
To ensure that the ride comfort is not compromised and
An object of the present invention is to make it possible to easily perform maintenance and inspection of a controller even in such a case.

[0006]

The features of the present invention for achieving the above object are as follows.

[0007] This "means for solving the problem"
In the section above, the terms in parentheses below are used in the claims.
It corresponds to the term of the range.

The head pipe 3 extends rearward and downward.
Rear, extends almost horizontally rearward, and further extends rearward and upward
Underbody-shaped body frame 2
Storage box 33 supported at the rear of the
3, a sheet 35 supported on the upper end of the battery 40,
Electric and electronic parts such as the traveling drive motor 20 by inputting voltage
Controller (controller) 71 for controlling the product
And the body frame 2 and the storage box forming the outer shell of the body.
Side cover (body cover) that covers 33 from outside
53 and a scooter-type electric motorcycle provided with

1) From the front end of the upper end of the storage box 33
Be forward is protruded front end portion of the sheet 35, this
The second controller is located below the front end of the sheet 35 of FIG.
(Controller) 71 is arranged,

2) The second controller (controller)
La) 71 inside the side cover (body cover) 53
And arranged to attach to the body frame 2 side, and, on
The second controller (controller) 71 is connected to the side
Cover lid 7 and the aperture 72 to be opened toward the outside of the (body cover) 53 as well as formed in the side cover (body cover) 53, which freely open and close the opening 72
3 is provided,

3) A louver 74 is formed on the lid 73 .

[0012]

[Operation] The operation of the above configuration is as follows.

[0013] Incidentally, in this section of "operation",
The terms in parentheses correspond to the terms in the claims.
Things.

1) Before the front end of the upper end of the storage box 33
The front end of the sheet 35 is protruded toward
35, a second controller (controller)
(A) The following functions are provided.

That is, a shell supported on the upper end of the storage box 33 is provided.
When the rider sits on the boat 35,
So as not to contact the outer surface of the storage box 33.
As described above, the front of the upper end of the storage box 33 is
The front end of the sheet 35 is projected.

For this reason, below the front end of the sheet 35
Space tends to have excess space,
And focusing on the lower part of the front end of the sheet 35 as described above.
A second controller (controller) 71
You.

Therefore, the second controller (controller
Roller 71) is an extra space below the front end of the sheet 35.
The second controller
(Controller) 71 is too large due to the arrangement of the controller
Is prevented.

In addition, an underbone-shaped body frame
When the electric motorcycle 1 equipped with
The seated rider usually places his legs in front of this seat 35
The legs extend from the top of the
A second controller disposed below the front end of the
(Controller) It is more reliable to touch 71
Is prevented.

2) The second controller (controller)
La) 71 inside the side cover (body cover) 53
And attached to the body frame 2 side, and
The second controller (controller) 71 is connected to the side
The cover (body cover) 53 can be opened toward the outside.
Opening 72 formed in this side cover (vehicle cover) 53
Lid 7 that allows the opening 72 to be freely opened and closed.
3 is provided.

Therefore, the second controller (controller)
The roller) 71 is provided on the side cover (body cover) 53.
Protects from rainwater, etc.
3, the opening 72 is opened.
Through the second controller (controller) 71
Can perform maintenance and inspection work.

Here, as described in the above item 1), the second
Controller (controller) 71 is the front end of sheet 35
The lower part of the second controller
(Controller) 71 is located near the outer surface of the vehicle body,
The second controller (controller) 71 is a vehicle body.
It is easily accessible from outside through the opening 72.
Will be placed.

3) A louver 74 is formed on the lid 73.
It is.

For this reason, the second controller (controller)
Roller) 71 raises its own temperature due to its operation.
Although it tends to flow through the louver 74 into the lid 73,
Cooled by incoming outside air.

A louver 74 is formed on the lid 73.
The rainwater passed through the louver 74 and the lid 73
However, as described in section 1) above,
The second controller (controller) 71 is a seat 3
5 is disposed below the front end of the louver 7.
4 passes through the second controller (controller)
Heading to 71 is suppressed by the front end of the sheet 35
Is done.

[0025]

Embodiments of the present invention will be described below with reference to the drawings.

In FIGS. 1 to 5, reference numeral 1 denotes a scooter-type electric motorcycle, and an arrow Fr in the drawings indicates the front thereof.

The vehicle body frame 2 of the electric motorcycle 1 has an underbone shape.
A head pipe 3 located at the front end, a front frame 4 extending rearward and downward from the head pipe 3, a horizontal frame 5 extending substantially horizontally rearward from the rear end of the front frame 4, The horizontal frame 5 includes a rear frame 6 that temporarily extends rearward and upward from the rear end thereof, and then extends substantially horizontally rearward, and is integrally formed of a resin material or the like.

A steering shaft 8 is supported on the head pipe 3 so as to be steerable, and a steering knuckle 9 is attached to a lower end of the steering shaft 8. A link 10 connected to the lower end of the steering knuckle 9 is connected to the lower end of the steering knuckle 9.
The front wheel 12 is supported via the and the shock absorber 11. That is, the front wheels 12 are supported by the front end of the vehicle body frame 2. A handle 13 is attached to the upper end of the steering shaft 8.

Reference numeral 17 denotes a power unit. The power unit 17 includes an AC traveling drive motor 20 and a power transmission device 21.
The transmission case 22 of the power transmission device 21
The casing 23 of the electric motor 20 is attached to the front left side of the motor.

On the other hand, a bracket 25 made of sheet metal is screwed to the lower surface of the rear frame 6 in the middle of the front and rear by bolts 26. Supporting members 27, 27 projecting from the front portion of the transmission case 22 and the upper surfaces of the casing 23 are pivotally supported by the pivot shaft 28 with respect to the bracket 25. The rear part of the case 22 is vertically swingable. A rear portion of the transmission case 22 is supported by a shock absorber 29 at a rear portion of the rear frame 6, and a rear wheel 30 is supported on a rear left side of the transmission case 22. That is, the rear wheel 30 is supported by the rear end of the body frame 2.

The power of the electric motor 20 is transmitted to the rear wheels 30 by a chain transmission means (not shown) provided in the transmission case 22, so that the electric motorcycle 1 can travel. At this time, the shock that the vehicle body receives from the road surface 31 is absorbed by the shock absorbers 11 and 29. Reference numeral 32 denotes a rear fender, which is integrally formed on the lower surface of the rear frame 6 to prevent mud and the like jumped up by the rear wheel 30 from being directed to the electric motor 20.

The storage box 33 is formed on the rear frame 6 is supported
The inside of the storage box 33 is a storage space 33a for storing articles such as a helmet. The storage box 33 is also integrally formed with the rear frame 6 with a resin material, thereby suppressing an increase in the number of parts. The storage box 33 has an opening 34 at an upper portion thereof, and a sheet 35 is supported at an upper end of the storage box 33. The front end of the sheet 35 is
Is pivotally supported at the upper front end of the seat 35 by a pivot pin 36, and the rear portion of the seat 35 is vertically rotatable around the pivot pin 36.

When the seat 35 is rotated downward as shown in FIG. 1, the rider can sit on the seat 35. On the other hand, if it is rotated upward, the opening 34 is opened, and articles can be taken in and out of the storage space 33a. Further, when the seat 35 is rotated downward as described above, the opening 35 is closed by the seat 35, and in this state, the locking means capable of locking the seat 35 to the storage box 33 side. 37 are provided.

A sheet 35 is placed on the horizontal frame 5.
A footrest floor 39 on which a rider seated on the vehicle rests his / her feet is formed. This footrest floor 3
A battery 40 is provided along the lower surface side of the battery 9, and the battery 40 is composed of four single units 40 a. The battery 40 serves as a power source for the electric motor 20 and is supported by the horizontal frame 5.

In this case, the horizontal portion frame 5 has a wide and flat main body portion 41, and the upper surface of the main body portion 41 serves as the footrest floor 39. A pair of front and rear concave portions 42 is formed on each side of the main body 41, respectively. The opening 43 of each of the concave portions 42 is opened toward each side of the main body portion 41, and is closed by a resin cover plate 44 so as to be openable and closable. And
Each of the simplexes 40a is housed in each of the concave portions 42 so as to be freely inserted and withdrawn. At this time, a heat insulating and cushioning material 45 made of styrene foam is interposed between each simplex 40a and the inner surface of each of the concave portions 42.

The width B of the battery 40 is slightly smaller than the width A of the footrest floor 39 in the vehicle width direction, and is substantially the same.

In the above case, the footrest floor 39 has a large area in plan view due to its function. For this reason, even if the battery 40 is large, it is easily disposed along the lower surface of the footrest floor 39.

Since the footrest floor 39 has a large area in plan view as described above, in this embodiment, the battery 40 is disposed by effectively utilizing the space on the lower surface side of the footrest floor 39. , Large battery 4
0 is flattened. In this manner, the reduction of the ground height H of the vehicle body is suppressed.

The width A of the footrest floor 39 in the vehicle width direction is substantially equal to the width B of the battery 40, so that the battery 40 is prevented from protruding outward in the vehicle width direction. Also, the narrowing of the bank angle is suppressed.

In the above case, the horizontal frame 5 of the body frame 2 has a box-shaped cross section, and therefore has a structure having sufficient strength. On the other hand, the front frame 4 and the rear frame 6 have ribs 46 formed on the respective side surfaces thereof, thereby improving the strength. In this way, a light and highly rigid body frame 2 is obtained as a whole. Also, by integrating the storage box 33 with the rear frame 6 as described above,
The strength of the body frame 2 is improved.

In particular, as shown in FIG.
A pair of left and right grooves 47, 47 extending in the front-rear direction are formed on the lower surface of the groove, and these grooves 47 can be elastically expanded.
A wire harness 48 is detachably fitted in each groove 47, and the wire harness 48 is
And electric components including the battery 40 are connected to each other.

In FIG. 1, a leg shield 49 is provided as a vehicle body cover which forms an outer shell at the front of the vehicle body. The leg shield 49 also covers the head pipe 3, the front frame 4, and the steering shaft 8. 1 and 4, an under cover 50 for covering the lower surface of the horizontal frame 5 is provided. In FIG. 4, reference numeral 51 denotes a drain hole. 1 and 2, reference numeral 52 denotes a main stand. Further, 53 is a pair of left and right side covers a body cover, the side cover 53 forms a rear part of the outer shell, the body frame 2 and the storage box 3
3 is covered from the outside.

In FIG. 1, FIG. 2, FIG. 6 and FIG.
The leg shield 49 is configured by detachably joining a front shield 49a and a rear shield 49b in the middle. The upper portion of the rear shield 49b bulges rearward, and this bulge portion 59 is formed. A recess is formed on the rear surface of the bulging portion 59, and the inside of the recess serves as a storage space 61 for storing small items.

A lid 63 for opening and closing the opening 62 of the storage space 61 is provided. The lid 63 is made of resin. The upper end of the lid 63 is pivotally supported by the upper opening edge of the opening 62, and the lower end is vertically rotatable.

In the storage space 61, the battery 4
A first controller 65, which is an electronic control means for adjusting the current supplied to the electric motor 20 from 0 to control the rotation speed of the electric motor 20, and the like, and a charger 66 are provided side by side. , 66 are the body frame 2
It is located at a position corresponding to the space 64 on the footrest floor 39 surrounded by a circle. On the other hand, an extension pipe 3 ′ of a metal pipe is provided coaxially with the head pipe 3 and extended upward from the head pipe 3.

The first controller 65 and the charger 66 are supported by brackets 67, 67 protruding left and right from the extension pipe 3 '. The first controller 65 and the charger 66 are connected to the wire harness. 48 connects the motor 20 and the battery 40. When the head pipe 3 is formed of a metal pipe, the extension pipe 3 'may be the head pipe itself.

In FIG. 7, the first controller 65
Is a box-like base 65a attached to the bracket 67
And a power unit 65b attached to a bottom plate in the base 65a for inputting a voltage from the battery 40 and outputting the voltage to the electric motor 20, and a vehicle configuration such as the electric motor 20 for inputting a voltage from the battery 40 It is composed of a control unit 65c that outputs electric and electronic components as components and controls them, and a lid 65d that supports the control unit 65c on the inner surface side and closes the opening of the base 65a so that it can be opened and closed. .

In the above case, the extension pipe 3 ', the bracket 67, and the base 65a are all made of metal (for example, aluminum) made of sheet metal or the like to improve the heat radiation of the power section 65b. Note that the control unit 65c is
5a.

6 and 7, the charger 66 has a charging port 68, and the charging port 68 allows a terminal of an external power supply to be detachably connected, thereby enabling the battery 40 to be charged. It is.

When the lid 63 is rotated upward as shown in FIG. 6, the opening 62 is opened, and the two-dot chain line in FIG.
When the lid 63 is rotated downward as shown in FIG.
Is to be closed. Further, a lock means 69 is provided which can lock the lid 63 to the bulging portion 59 in the closed state.

The first controller 65 and the charging port 68 are opened toward the space 64 by opening the opening 62 by the upward rotation of the lid 63. Maintenance inspection can be easily performed by using the footrest floor 39 and the space 64.

In the above case, if the cover 65d is removed from the base 65a to expose the control unit 65c, maintenance and inspection of the control unit 65c can be performed. Further, the above-described operation may be performed by integrally removing the first controller 65 from the bracket 67.

Further, as shown in FIG. 6, the lid 63 can be held in that position during the vertical rotation. Therefore, even if the lid 63 functions as an eave and opens the opening 62 in rainy weather, the first controller 65 and the charger 66
Is prevented from getting wet.

Further, by opening and closing the lid 63, the first
Operations such as checking the controller 65 and attaching / detaching an external power supply terminal to / from the charging port 68 can be performed while sitting on the seat 35, which is advantageous in terms of workability.

As shown in FIG . 1, the upper end of the storage box 33
The front end of the seat 35 facing forward from the front end of the
Is projected, and an upper part is provided below the front end of the sheet 35.
The second controller 71 is provided.

In FIG. 1 and FIG. 8, the second control
La 71 is attach to the front end upper surface of the rear frame 6, the second controller 71 the first controller 65 and also the base 71a, a power section 71b, the control unit 71
c and a lid 71d. The controller 71c passes through the opening 72 between the front edges of the left and right side covers 53, 53 and is located outside the side covers 53, 53.
Wherein it is open toward the space 64 that. Further, a lid 73 that allows the opening 72 to be opened and closed is provided, and a louver 74 is formed in the lid 73.

In FIGS. 1 and 9, a third controller 76 is mounted on the left side of the front frame 4.
The controller 76 includes a base 76a, a power unit 76b, a control unit 76c, and a lid 76d, like the first controller 65. In this case, the third controller 76 is covered with the leg shield 49. Thereafter, an opening 77 is formed in the shield 49b in correspondence with the third controller 76, and a lid for closing the opening 77 so as to be openable and closable. 78 are provided. When the opening 77 is opened, the third controller 76 is opened toward the space 64, so that the same operation as that of the first controller 65 can be obtained.

The front shield 49 of the leg shield 49
The opening 77 ′ corresponding to the third controller 76 is
And a lid 78 'for opening and closing the opening 77' is provided. And this opening 77 '
Is opened, operation and maintenance of the third controller 76 can be performed through the opening 77 '.

The third controller 76 may be provided on the right side of the front frame 4 as shown by a virtual line in FIG. 9 or may be provided on the rear surface of the front frame 4. In this case, an opening and a lid similar to those described above are provided corresponding to the third controller 76.

In the above case, each of the controllers 65, 71,
All 76 are supported by the body frame 2 between the front wheel 12 and the rear wheel 30. Therefore, the above controllers are prevented from being affected by the vibration of the vehicle body during traveling.
Although the controller is generally heavy, the weight is shared between the front wheel 12 and the rear wheel 30 to prevent a large uneven load applied to the front wheel 12 and the rear wheel 30.

Each of the controllers is connected to a battery 40.
, And the electrical connection between the battery 40 and the controller can be easily performed.

In FIGS. 1 and 10, on the front side of the head pipe 3, a fourth controller having the same configuration as the first controller 65 is provided.
A controller 80 is attached. The fourth controller 80 is a front shield 4 of the leg shield 49.
By removing 9a, it is opened to the outside of the vehicle. The front shield 49a has the first controller 6
A louver is formed at a position corresponding to No. 5, and good cooling performance is maintained.

In FIGS. 1 and 11, a fifth controller 81 is mounted on the rear end of the rear frame 6, and this fifth controller 81 passes through the opening 82 between the rear edges of the left and right side covers 53, 53 and rises upward. Open to the public.
Further, a lid 83 that allows the opening 82 to be freely opened and closed is provided .

[0064]

According to the present invention, after the head pipe,
After extending downward, it extends almost horizontally rearward,
Underbone-shaped body frame that extends rearward and upward
And a storage box supported by the rear of the body frame.
The sheet supported by the upper end of the storage box and the battery
Input electric pressure to control electric and electronic components such as the traveling drive motor.
A controller that controls the
A body cover that covers the frame and storage box from outside
Equipped scooter type electric motorcycle,

1) Before the front end of the upper end of the storage box
Project the front end of the sheet toward
The above controller is located below the front end of the
The action of

That is, the sheet supported on the upper end of the storage box
When the rider sits on the
To avoid contact with the outer surface of the storage box,
The front end of the seat is more forward than the front end of the upper end of
It is projected.

For this reason, the empty space below the front end of the sheet
There is a tendency for excess space to be created in any of the
Then, paying attention to this, as described above, the front end of the sheet
A controller is provided below.

Therefore, the controller is located at the front end of the sheet.
Because it is arranged using the extra space below the part,
The arrangement of the above controller makes the vehicle
To prevent the appearance of the vehicle,
Good riding comfort is maintained.

Moreover, an underbone-shaped body frame
When driving an electric motorcycle equipped with
The rider usually holds his legs above the front edge of this seat.
The legs extend from the front end of the seat to extend
Touching the controller located below means
More reliably prevented.

Therefore, the ride comfort for the vehicle is reduced.
This is more reliably prevented and kept good.

2) Connect the controller to the vehicle body cover
Arranged inside and attached to the body frame side, and
Open the controller to the outside of the body cover
An opening is made in the body cover to allow
A lid is provided to open and close the opening.

For this reason, the above-mentioned controller
The cover protects from rainwater, etc.
If you open the opening by operating the pad, through this opening
Maintenance and inspection work can be performed on the controller.

Here, as described in the above item 1),
The troller is located below the front edge of the sheet.
Therefore, the controller is located near the outer surface of the
The controller can be controlled from outside the vehicle body through the opening.
It will be located in an easily accessible place.

Therefore, the controller through the opening
Maintenance and inspection work from outside the vehicle
It will be.

3) A louver is formed on the lid.

For this reason, the above controller operates
The temperature of the louver tends to rise ,
Is cooled by the outside air flowing into the lid through the
It is of great benefit.

A louver was formed on the lid.
Rainwater may enter the lid through this louver
However, as described in the above item 1), the controller
Is located below the front end of the seat.
It is not possible for the rainwater passing through the
Controlled by the front end of the
Protected from water.

[Brief description of the drawings]

FIG. 1 is an overall side view.

FIG. 2 is an overall plan view.

FIG. 3 is a sectional view taken along line 3-3 in FIG. 1;

FIG. 4 is a sectional view taken along line 4-4 of FIG. 1;

FIG. 5 is a sectional view taken along line 5-5 in FIG. 1;

FIG. 6 is a perspective view of a front portion of the vehicle body.

FIG. 7 is a sectional view taken along line 7-7 in FIG. 1;

FIG. 8 is a plan sectional view of a portion provided with a second controller.

FIG. 9 is a plan sectional view of a portion provided with a third controller.

FIG. 10 is a plan sectional view of a portion where a fourth controller is provided.

FIG. 11 is a front sectional view of a portion where a fifth controller is provided.

[Explanation of symbols]

Reference Signs List 1 electric motorcycle 2 body frame 3 head pipe 12 front wheel 30 rear wheel 33 storage box 35 seat 39 footrest floor 40 battery 53 side cover (body cover ) 7 1 second controller (controller) 71c control section 72 opening 73 lid 74 louver

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁶ , DB name) B62K 11/00

Claims (1)

(57) [Claims] 1. A After extending toward the rearward and downward from the head pipe, extends substantially horizontally to the rear, further comprising: a body frame of the under-bone type extending toward the upper rear, the vehicle body frame
Storage box supported at the rear of the
A controller that controls electric and electronic components such as a traveling drive motor by inputting the voltage of the battery and the supported seat
And, forming the outer shell of the car body and the above car body frame and storage box
A scooter-type electric motorcycle provided with a body cover that covers the storage box from outside of the storage box . 1) The front end of the storage box above the front end of the storage box.
Protrude the front edge of the sheet, and
The controller is disposed toward, 2) the controller is disposed inside said body cover
Te attach to the body frame side, and the controller <br/> over La thereby formed in the body cover an opening that can be opened toward the outside of the body cover to freely open and close the aperture the lid is provided, 3) a controller mounting structure of the electric motorcycle formed with louvers on the lid.