JP3477287B2 - Motorcycle with navigation system - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motorcycle provided with a navigation system. 2. Description of the Related Art Conventionally, the position of a host vehicle is measured by receiving radio waves from artificial satellites, and this position is compared with map information mounted on the vehicle to obtain a map around the host vehicle. 2. Description of the Related Art It is common to mount a so-called GPS navigation system on a vehicle, which displays the position of the vehicle on the map on a display to notify the driver and assist the driver in traveling. [0003] The navigation system described above has recently been able to measure the position of its own vehicle with extremely high accuracy, and only needs to exchange a storage medium such as a CD storing a map. Can display the position of the vehicle on the latest map of various areas, and even in an area unknown to the driver, it is necessary to stop the vehicle and check the current driving position by looking at the map book etc. It is very convenient without
It is eager to mount it on motorcycles. However, unlike a car, a motorcycle has a small body and most of the body is exposed to the outside.Therefore, there is a possibility that various problems may occur depending on the arrangement of the components constituting the navigation system. The location of the sensor that receives the radio wave from the satellite should be carefully considered so that it does not fall into a state where it cannot be received due to a movable member such as a steering wheel or a driver's shadow during driving, for example. There is a need. SUMMARY OF THE INVENTION It is an object of the present invention to provide a motorcycle provided with a navigation system in which the above-described sensor for receiving a radio wave from an artificial satellite does not cause a problem such as being unable to receive during driving. [0004] In order to achieve the above object, a motorcycle provided with a navigation system according to the present invention comprises a direction sensor for receiving radio waves from artificial satellites, and a direction sensor for receiving radio waves from the satellite. A control unit that calculates the position of the host vehicle based on the obtained information, and a navigation system having a display that displays the position of the host vehicle calculated by the control unit, wherein the display
At the front of the vehicle from the line connecting the two ends of the vehicle's steering wheel.
Steering with the steering wheel at the center of the steering wheel width direction
Attach to rotate , the car in front of the body of the handle
A speedometer is provided on the body side, and the direction sensor is provided in front of the vehicle body with respect to the turning locus of the handlebar.
On the side of the vehicle between the windscreens
It is characterized in that the. [0005] Preferred embodiments of the present invention will be described below with reference to an embodiment shown in the accompanying drawings.
1 is a schematic side view of the motorcycle according to the present invention, FIG. 2 is a schematic top view of the motorcycle shown in FIG. 1, and FIG. 3 is a schematic perspective view of the motorcycle shown in FIG. . In the figure, reference numeral 1 denotes a motorcycle. The motorcycle 1 is a scooter type vehicle in which a footrest space 4 is formed between a steering wheel 2 and a seat 3, and substantially the entire body is covered by a body cover 5. The periphery of the steering shaft (not shown) below the steering wheel 2 is covered in the middle by a front leg shield 6 and a rear leg shield 7 that constitute a part of the vehicle body cover 5. At the upper end, a transparent windshield screen 8 is provided. The upper ends of the front leg shield 6 and the rear leg shield 7, that is, the handle 2
An instrument panel 9 is disposed below the instrument panel 9, and various instruments such as a speedometer 10 are mounted on the instrument panel 9.
In FIG. 1, reference numeral 11 denotes a sun avoidance plate for the speedometer 10. The motorcycle 1 configured as described above is equipped with a GPS navigation system 20. The navigation system 20 has a conventionally known structure, and as shown in a block diagram in FIG. 4, a direction sensor 21, a GPS receiver 22, a control unit 23, a television / radio antenna 24 for receiving GPS radio waves from artificial satellites. , A switch-integrated display unit 25, and a speaker 26, and power is supplied from the battery 13 of the vehicle. The control unit 23 includes a position measurement processing unit 23a, an information processing unit 23b, an AV information processing unit 23c, and a switch information processing unit 23d, and reads a storage medium such as a CD ROM storing map information and the like (not shown). Zu). The position measurement processing unit 23a
Calculates the latitude and longitude of the current position of the vehicle based on the radio waves from the geodetic satellites in the satellite orbit received by the direction sensor 21 input via the GPS receiver 22. The position of the host vehicle on the map is calculated in association with the map information read by the reading device, and the map and the host vehicle position are displayed on the display 25 based on a driver's switch operation. AV information processing unit 23
c is information from the television / radio antenna 24, the position information calculated by the position measurement processing unit 23a, and CD
Of the display unit 25 and the speaker 26 based on the information and the switch information input via the switch information processing unit 23d.
Is controlling. Hereinafter, the position of the navigation system 20 on the vehicle body will be described. FIG. 5 is a perspective view of the motorcycle corresponding to FIG. 3 showing the arrangement positions and wirings of each member of the navigation system 20 on the vehicle body. The direction sensor 21 is located forward of a turning locus of the handle 2 on the instrument panel 9 (indicated by a broken line in FIG. 2).
In detail, it is arrange | positioned ahead of the sun avoidance board 11 in front of the speedometer 10 (refer FIG.2 and FIG.1). As can be seen from FIG. 2, the position where the direction sensor 21 is disposed does not become a shadow of the steering wheel 2 even when the driver turns the steering wheel 2, and an instrument such as the speedometer 10. Since it does not become a kind of shadow, it is possible to always receive radio waves from artificial satellites accurately, and since the windshield screen 8 covers the upper surface, it is not exposed to rain and wind. The display unit 25 is disposed in front of a line x (see FIG. 2) connecting both ends of the steering wheel 2 and is attached so as to rotate together with the steering wheel 2, that is, a steering shaft (not shown). I have. Since the display unit 25 is disposed between the steering wheels 2, the display unit 25 is easy to see from the driver M. However, as shown in FIG.
Must be placed so that they are not hidden. The display unit 25 has the display 25a and the switch panel 25b integrally formed as described above, and as shown in FIG. 3, a sun avoiding plate 25c which rises substantially vertically at the front end thereof is integrally provided. I have. Further, a plurality of speakers 26 are provided on the instrument panel 9 and the rear leg shield 7. A television / radio antenna 24 is preferably attached detachably to the rear of the vehicle (the antenna 24 is removed in FIG. 2).
The control unit 23 is disposed inside a portion of the vehicle body cover 5 that covers the rear of the vehicle body from below the seat 3. For example, by opening the seat 3, a CD as a storage medium can be externally exchanged or maintenance can be performed. Have been able to. FIGS. 6A and 6B show second and third embodiments of the switch-integrated display unit in the navigation system. In FIG. 6A, reference numeral 30 indicates a single display unit. The display unit 30 is a liquid crystal display 31
And a switch panel 32 are integrally formed, and a sun avoiding plate 33 that rises in a substantially vertical direction is attached to a front end thereof. This display unit 30
The display 31 can be rotated in the direction of arrow R by operating a switch 32a provided on the switch panel 32, whereby the tilt angle of the display 31 can be adjusted to suit various driver's eyes. Like that. Display unit 3 in FIG.
Since 0 ′ has the same configuration as the display unit 30 in FIG. 6A except for a part, the same members are denoted by the reference numerals, and overlapping description will be omitted. The display unit 30 'is provided with a rotatable cover 34 at the front end of the main body. When the display 31 is used, the cover 34 is opened as shown in the drawing so that the cover 34 prevents the display 31 from sunshine. When not in use, the cover 34 can be closed to prevent tampering and prevent water, dust, etc.
0 'can be protected. Although not shown in the drawings, preferably, the cover 34 may be provided with a dial-type or key-type locking device. FIG. 7 is a schematic front view of a motorcycle showing the arrangement of solar cells when solar cells are further provided in the navigation system described above, and FIG.
FIG. In this embodiment, since the configuration of the navigation system other than the solar cell and the configuration of the motorcycle are the same as those of the embodiment shown in FIGS. 1 to 5, the same members are denoted by the same reference numerals, and overlapping description will be omitted. As shown in the drawing, a solar cell 40 is attached to a support plate 12 provided between a screen 8 and a sunshine avoiding plate 11 for an instrument such as a speedometer 10 provided on an instrument panel 9. The direction sensor 21 is attached to the support plate 12 in front of the solar cell 40 (see FIG. 8). As shown in FIG. 8, at the position in front of the sun avoidance plate 11 on the instrument panel 9, the gap between the support plate 12 and the windshield screen 8 is not so large, so that the driver needs to load luggage and the like. Since there is no space, and as shown in FIG. 2, there is no shadow due to the turning trajectory of the steering wheel 2 and there is no shadow of the driver or the passenger, it is possible to receive the sunlight efficiently. The solar cell is not exposed to rain and wind since its upper surface is covered with a transparent windscreen 8. In addition, as shown in FIG. 8, since the inclination angle of the support plate 12 that supports the solar cell 40 is always smaller than the inclination angle of the screen 8, it is easy to receive sunlight. The solar cell 40 arranged as described above assists in charging the battery 13 of the motorcycle 1 and prevents the battery from running out by operating the navigation system. In the above-described embodiment, the display unit 25 is fixed between the handles 2. However, the attachment of the display unit 25 is not limited to the embodiment, and may be detachable. When the display unit 25 is detachable, the display unit 25 can be removed and stored in a storage box below the seat when leaving the vehicle, for example, when the vehicle is stopped, and theft can be prevented. According to the motorcycle having the navigation system according to the present invention described above, the vehicle having the steering wheel is provided.
Install a speedometer on the vehicle body in front of the body and
The speedometer and its
The car body between the windshield screen provided on the front car body side
Side, so the driver can turn the steering wheel
Direction sensor that receives radio waves from artificial satellites
The shadow of the speedometer
Always receive accurate radio waves from satellites
And be covered by a draft shield screen.
It is no longer exposed to rain and wind. Ma
In addition, an automatic system equipped with the navigation system according to the present invention
For motorcycles, the display is placed between both ends of the vehicle's steering wheel.
Forward of the car body from the line connecting
The steering wheel is attached to the steering wheel.
Therefore, there is an effect that the visibility from the driver is good.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic side view of a motorcycle according to the present invention. FIG. 2 is a schematic top view of the motorcycle shown in FIG. FIG. 3 is a schematic perspective view of the motorcycle shown in FIG. FIG. 4 is a schematic block diagram of a navigation system. FIG. 5 is a perspective view of the motorcycle corresponding to FIG. 3, showing arrangement positions and wirings of members of the navigation system 20 in a vehicle body. FIGS. 6A and 6B are schematic perspective views of second and third embodiments of a switch-integrated display unit, respectively. FIG. 7 is a schematic front view of a motorcycle provided with a solar cell in addition to a navigation system. 8 is a schematic sectional view taken along the line AA in FIG. 7; [Description of Signs] 1 Motorcycle 2 Handlebar 3 Seat 4 Footrest space 5 Body cover 6 Front leg shield 7 Rear leg shield 8 Windshield screen 9 Instrument panel 10 Speedometer 11 Sunshine avoiding plate 12 Support plate 13 Battery 20 Navigation system 21 Direction sensor 22 GPS receiver 23 Control unit 24 Television / radio antenna 25 Switch integrated display 25a Display 25b Switch panel 25c Sun avoidance plate 26 Speaker 30 Display unit 31 Display 32 Switch panel 32a Display angle adjustment switch 33 Sun avoidance plate 34 cover 40 solar cell

Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B62J 39/00 B60R 11/02 G01C 21/00

Claims (1)

(57) [Claim 1] A direction sensor for receiving a radio wave from an artificial satellite, a control unit for calculating a position of the own vehicle based on information received by the direction sensor, and A navigation system having a display for displaying the calculated position of the host vehicle, wherein the display is connected between both ends of a steering wheel of the vehicle;
C in front of the car body and in the center of the steering wheel width direction.
The steering wheel is attached to the steering wheel, and a speedometer is provided on the vehicle body side in front of the steering wheel with respect to the steering wheel.
And the windshield provided on the vehicle body side in front of the speedometer.
A motorcycle equipped with a navigation system, which is disposed on a vehicle body side between the motorcycle and a clean .