JPH0939866A - Indicator for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce movement of eye balls of a driver by arranging a hologram reflecting plate storing prism structure above a windshield and between an indicator and the driver in the indicator in which a displayed image from the indicator is reflected on the windshield, and a forward sight and the displayed image are displayed in an overlapped manner. SOLUTION: A hologram reflecting plate 5 storing prism structure is provided on the upper side edge of a windshield 1 in a motor cycle between an indicator 2 and a driver at the position capable of projecting a display image of the indicator 2. A clip 6 is fitted to the edge of the windshield 1, a cam 7 to be engaged with the clip 6 is integrated with the lower side edge of the hologram reflecting plate 5, and the hologram reflecting plate 5 is held ups and downs relative to the windshield 1 by the cam 7 and the clip 6. When the indicator 2 is displayed, the display information can be directly seen by the driver, and the displayed image of the indicator 2 reflected by the hologram reflecting plate 5 can be seen as a virtual image at the position of the virtual image A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention particularly relates to a windshield plate provided on a motorcycle, and a hologram reflection plate attached to the windshield plate. The present invention relates to a display device for a vehicle that can be visually checked.

[0002]

2. Description of the Related Art A vehicular display device installed in a general motorcycle is equipped with a display device 2 composed of a speedometer and an engine tachometer, for example, below an inside of a windshield 1 as shown in FIG. Then, the driver can directly visually confirm the display information displayed on the display 2. In addition, 3 is an eye point of the driver, and 4 is a steering wheel of the motorcycle.

However, since the display device in such a motorcycle is installed below the windshield 1,
For example, when trying to check the display information on the display device 2 from the state of visually observing the front scene while driving, there is a problem that the eyeball movement angle is large and fatigue due to the eyeball movement is large.

Therefore, in order to improve this problem, for example, as disclosed in Japanese Patent Laid-Open No. 61-12450, a windshield of a motorcycle is provided with display information from a display in the direction of the driver's eye point. When a driver sees the front of the vehicle through the windshield 1 by providing a semi-transparent mirror body (combiner) that reflects it, the front view and the display information of the instrument can be visually recognized in a superimposed manner. A known vehicle display device (head-up display device) is known.

[0005]

However, this vehicular display device displays a virtual image by superimposing the display image of the display on the front scene by a semitransparent mirror (combiner) formed on the windshield. However, in order to project the display image of the display on the semi-transparent mirror (combiner) formed on the windshield, the display must be directed toward the windshield, so that the driver can see directly. In addition to the conventional display, a display for projecting on a semitransparent mirror (combiner) is required. Moreover, the layout space of these display devices is limited due to the relationship with other parts and restrictions on the design of the windshield, and the layout is very difficult, and the degree of freedom in design is low.

Further, the combiner is arranged at a position corresponding to the position where the display is provided.
It is placed at a low position on the windshield, and the virtual image is displayed at a low position. Therefore, when you try to check the virtual image that is superposed on the front scene while viewing the front scene while driving. In addition, there is still a problem that the eyeball movement angle is large and fatigue due to the eyeball movement is large.

[0007]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and an upper part of a windshield between a driver and a display with the display surface facing the driver in front of the vehicle. To
By providing a hologram reflection plate that stores a prism structure that reflects the display image of the display device, from the state where the front is viewed, the eye point is reduced by reducing the movement angle of the eye point when it is desired to confirm the display information of the instrument. The purpose of this is to reduce the fatigue level of passengers and further improve driving safety.

Further, according to the present invention, the hologram reflection plate attached to the windshield has a structure capable of undulating with respect to the windshield, and the hologram reflection plate can be used as an extension member of the windshield if necessary. An object is to provide a vehicle display device having a structure. In addition, it is possible to display a reflected virtual image by superimposing it on the front scene and to obtain a conventional direct-view display with one display.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will be described in detail below with reference to the embodiment shown in FIGS. 2 to 6. The same parts of the structure of this embodiment and the structure described in the conventional example are the same as those of the conventional example. The reference numerals used in the examples are given and the structural description of the same structural parts is omitted.

That is, in this embodiment, the hologram reflector 5 having a prism structure serving as a reflector on the upper side edge of the windshield 1 is located at the front upper position where the display image of the display 2 can be projected, and It is provided between the display 2 and the driver.

The hologram reflection plate 5 is the windshield plate 1.
The upper side edge of the windshield is supported so that it can be undulated. As a specific example of this support structure, a clip 6 made of a leaf spring member is attached to the edge of the windshield 1 as shown in FIG. An elliptical cam 7 elastically engaged with the clip 6 is integrally formed on the lower side edge of the plate 5, and the cam 7 provided on the hologram reflection plate 5 is Due to the engaging action of the clip 6 provided on the windshield 1, the hologram reflection plate 5 is held so as to be able to rise and fall with respect to the windshield 1, and the cam 7 is elastically engaged by the clip 6. For example, as shown in FIG. 5, the hologram reflection plate 5 is positioned in a flat state in the direction along the outer shape curve of the windshield plate 1, and as shown in FIG.
Can be positioned in a standing state with respect to.

The hologram reflection plate 5 having the prism effect is arranged at a position where the display of the display 2 is projected, and the display information of the display 2 is the position of the virtual image A when viewed from the eye point 3. It is set in the optical system in which the prism structure that can be seen in is stored.

The structure of this embodiment has been described above. Next, the operation thereof will be described. When the display 2 is displayed, this display information is directly viewed by the driver and the hologram reflection plate having the prism effect is used. The reflected display image of the display 2 can be seen as a virtual image at the virtual image A position.

Therefore, when the vehicle is traveling at a relatively low speed such as traveling on a general road, the eyepoint 3 is at a relatively upper position because the driver's head is elevated. At this eyepoint 3 position, there is an angle Q1 between the line of sight a for seeing the virtual image A of the display 2 and the line of sight b for directly seeing the display 2 through the hologram reflection plate 5 which has stood upright. From the moving angle Q2 between the line-of-sight c looking at the front view from the eyepoint 3 and the line-of-sight b directly looking at the display 2,
Viewing the virtual image A from the line of sight c Since the movement angle Q3 between the lines of sight a can be smaller, the virtual image A at the driver's eye point position
It is possible to reduce the movement angle of the eyeball by confirming the display information by.

Further, when the vehicle is traveling at a relatively high speed such as traveling on a highway, the driver goes into the windshield to avoid the headwind, the head position is lowered, and the eye point 3'position is relatively lower. Be in position.

At this eyepoint 3'position, the angle Q4 between the line of sight c looking at the front view and the line of sight d directly looking at the display 2 does not become as large as the left, and therefore the eyeball looking at the view and the display during high speed running. The movement angle of is small.

Therefore, when the head position (eye point) of the person who drives the two-wheeled vehicle is high, the display information of the display is visually observed as a virtual image by the hologram reflection plate 5 standing upright with respect to the windshield plate 1, and the head thereof is also seen. When the position is low, the moving range of the eyes of the driver can be reduced by directly looking at the display information on the display device 2, whereby the visual fatigue of the driver is improved and the driving safety is enhanced.

Since the hologram reflection plate 5 can be undulated, the hologram reflection plate 5 can be set as shown in FIG. 5 when the hologram reflection plate 5 is not needed, for example, when the vehicle is operating at high speed. By moving along the outer shape of the windshield, the hologram reflection plate 5 does not get in the way, and the hologram reflection plate 5 becomes an extension forming member of the windshield plate 1 and is effective as a windshield.

[0019]

As described above, according to the present invention, the display image from the display device 2 provided in front of the vehicle is reflected on the windshield 1 to display the front view and the display image on the display device 2 in an overlapping manner. In a vehicle display device, a hologram reflection plate 5 having a display surface of the display device 2 facing the driver side and reflecting a display image of the display device 2 and storing a prism structure is used as the windshield plate 1. This is because it is arranged above and between the display device 2 and the driver, and further, the hologram reflection plate 5 is a display device for a vehicle which is provided on the upper part of the windshield plate 1 so that it can be undulated. For example, it is possible to reduce the movement of the eyes of the driver during driving of the vehicle, which improves the visual fatigue of the driver and further enhances driving safety.

Further, since the hologram reflection plate 5 can be undulated, when the hologram reflection plate 5 is not necessary, the hologram reflection plate 5 is moved down as shown in FIG. 5, the hologram reflecting plate 5 serves as an extension forming member of the windshield 1 and is effective as a windshield.

Further, with one display, it is possible to obtain a reflection virtual image display superposed with the amount of forward light and a conventional direct-view display.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a conventional display device.

FIG. 2 is an explanatory view of a main part showing a vehicle display device according to an embodiment of the present invention.

FIG. 3 is a front explanatory view of a main part of the vehicle display device according to the embodiment of the present invention.

FIG. 4 is a perspective view showing an attached state of the windshield plate and the combiner according to the embodiment of the present invention.

FIG. 5 is an operation explanatory view of the combiner supported by the windshield according to the embodiment of the present invention.

FIG. 6 is an operation explanatory view of the combiner supported by the windshield according to the embodiment of the present invention.

[Explanation of symbols]

1 ... Windshield 2 ... Indicator 3 ... Eyepoint 3 '... Eyepoint 4 ... Steering handle 5 ... Hologram reflector 6 ... Clip 7 ... Cam

Claims (2)

[Claims] 1. A vehicle for displaying a display image from a display device (2) provided in front of the vehicle on a windshield plate (1) so as to superimpose and display the front view and the display image of the display device (2). In the display device, a hologram reflection plate (5) having a display surface of the display (2) facing the driver side and reflecting a display image of the display (2) and storing a prism structure is provided. A display device for a vehicle, which is arranged above the windshield (1) and between the display (2) and a driver. 2. The display device for a vehicle according to claim 1, wherein the hologram reflection plate (5) is provided on an upper portion of the windshield plate (1) so as to be capable of undulating.