JP2010253965A - Display device for navigation - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a display device for navigation capable of shortening a movement distance of a sight line and not interrupting a visual field of a windshield. <P>SOLUTION: In the display device for car navigation attached to the vehicle and displaying an image of vehicle position information or the like on map information, a monitor 2 for displaying the map information or the like is provided on a steering wheel 1, and an image correctly standing device 5 for correctly standing a display image of the monitor 2 visually recognized by a driver regardless of steering wheel operation is provided. Since the movement amount of the sight line is reduced when the image of the map information or the like is confirmed by the monitor 2 and the map information can be quickly confirmed, the sight line can be quickly returned to monitor the front side and it becomes preferable on traffic safety. Further, even by steering wheel operation during traveling on a curve or the like, since the image of the map information or the like of the monitor 2 always becomes in the correctly standing state, inconvenience is not generated for confirming the map information. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a display device for car navigation that displays vehicle position information and the like on map information.

  Conventionally, a monitor that displays a car navigation image is generally attached on a console panel or a dashboard (see, for example, Patent Documents 1 and 2). In addition, there are some that irradiate and display an image on a windshield or attach a liquid crystal display to a front glass (see, for example, Patent Documents 3 and 4).

  However, when a monitor is attached to the console panel, the distance to move the line of sight to the monitor becomes long, and it takes time to return the line of sight to the front, causing a safety problem, and attaching a liquid crystal display on the dashboard or windshield When an image is irradiated and displayed on the windshield, a part of the field of view of the windshield is obstructed, resulting in a safety problem.

Japanese Patent Application Laid-Open No. 09-301085 JP 2002-071356 A JP 2002-340570 A Registered Utility Model No. 3013662

  SUMMARY OF THE INVENTION An object of the present invention is to provide a display device for car navigation that can shorten the moving distance of the line of sight and does not block the field of view of the windshield.

The present invention provides a display device for car navigation that is mounted on a vehicle and displays an image such as vehicle position information on map information. A monitor for displaying map information or the like is provided on a handle, and the monitor visually recognized by a driver. A display device for car navigation characterized in that an image erecting device for erecting a display image regardless of a handle operation is provided.
Note that the image erecting device rotates the entire monitor in an upright state based on gravity, or the image erecting device displays only the monitor image in the upright state based on the angle signal of the gravity sensor. It may be a thing.

  The present invention provides a display device for car navigation that is mounted on a vehicle and displays an image such as vehicle position information on map information. A monitor for displaying map information or the like is provided on a handle, and the monitor visually recognized by a driver. Since the image erecting device is installed to erect the displayed image regardless of the handle operation, the amount of movement of the line of sight when checking the image such as map information on the monitor is small, and the map information etc. can be confirmed quickly. Therefore, the line of sight can be quickly returned to the forward monitoring, which is preferable in terms of traffic safety. Moreover, even when the steering wheel is operated while traveling on a curve or the like, the displayed map information or the like is always upright, so that the user is not confused about checking the map information or the like.

It is a front view which shows the 1st Example of this invention. Similarly, it is a partially cutaway cross-sectional view. It is a front view which shows the state which similarly attached the handle | steering-wheel with a monitor to the vehicle. It is a front view which shows the 2nd Example which made the monitor rotatable. Similarly, it is a partially cutaway cross-sectional view. It is an expanded sectional view of the principal part which made the monitor rotatable by the bearing mechanism. It is an expanded sectional view of the principal part which made the monitor rotatable with a magnetic bearing. It is an expanded sectional view of the principal part which made the monitor rotatable with the motor-driven gear mechanism. It is a front view which shows the state which attached the handle | steering-wheel which made the monitor rotatable to the vehicle. It is a front view which shows the 3rd Example which made the monitor a pendulum type. Similarly, it is a partially cutaway cross-sectional view. It is a front view which shows the state which similarly attached the handle | steering-wheel with a monitor to the vehicle.

Next, a first example of a preferred embodiment of the present invention will be described in detail with reference to FIGS.
Reference numeral 1 denotes a handle, and a car navigation monitor 2 that displays an image such as vehicle position information on map information is attached to the handle 1. The monitor 2 is attached to the cover 4 of the airbag device 3 as a thin monitor such as a liquid crystal or organic EL. For this reason, since the monitor 2 is also rotated by the handle operation, the image erecting device 5 is provided so that the display image is always erect.

  Further, in FIG. 1, since the opening of the upper half portion of the handle 1 is narrowed, it is preferable that meters are attached on the dashboard and attached to the vehicle as shown in FIG. Further, when the monitor 1 rotates the handle 1, the outer frame is turned upside down or tilted, and the monitor 1 is placed in a circular outer frame so that the driver is not confused when checking the map information. The rectangular map information and the like are displayed upright in the circle. Further, the monitor 2 is positioned at the center of the rotation axis of the handle 1 so that the monitor 2 does not rotate eccentrically due to the rotation operation of the handle 1 so as to reduce the visibility.

  The image erecting device 5 is incorporated in the circuit board of the monitor 2, but it goes without saying that it may be incorporated in a circuit board other than the monitor 2. Further, since the monitor 2 is mounted on the center of the rotation axis of the handle 1, even if the handle 1 is rotated, the display image such as the map information displayed on the monitor 2 is in the same position, and the map information is confirmed. At this time, since the movement distance of the line of sight does not change, the safety is also high.

  Note that the erecting of the display image does not mean that the map information is always upward with respect to the traveling direction of the vehicle, but means that the inclination due to the rotation of the handle 1 is corrected. Needless to say, in the case of a vehicle in which the airbag device 3 is not mounted, the monitor 2 is directly attached to the handle 1.

  The image erecting device 5 rotates the display image of the monitor 2 by software based on the angle signal detected by the gravity sensor, and serves as means for bringing the display image upright. For example, the map information displayed on the monitor 2 may be erected by changing the reading position of the image data on the memory such as the map information and the vehicle position information in accordance with the angle signal from the gravity sensor. 6 is a handle shaft, 7 is an inflator of the airbag device 3, and 8 is an airbag inflated by gas. Needless to say, the vehicle position information is based on a signal from a GPS (not shown).

  In this configuration, when the driver needs to check the map information or the like, the driver checks the monitor 2 attached to the handle 1 and confirms it. Compared with the case where the monitor is mounted on the console panel, the monitor 2 has a smaller line of sight movement and can quickly check the map information. As a result, the line of sight can be promptly returned to the forward monitoring, so that safety in vehicle operation is high. Moreover, since the monitor 2 is attached to the cover 4 of the airbag device 3, the function of the airbag device 3 is not impaired.

  4, 5, 6, and 7 show the second embodiment. The image erecting apparatus 5 mechanically rotates the monitor 2 itself attached to the handle 1 based on gravity to correct the image. The monitor 2 is attached to a circular frame 20, and the circular frame 20 is rotatably attached via a bearing mechanism 21 disposed on the cover 4 of the airbag device 3. The circular frame 20 is attached so that the center is located on the center of the rotation axis of the handle 1. Reference numeral 23 denotes a weight attached to the lowermost end of the circular frame 20 on the vertical line so that the monitor 2 is in an upright state. The monitor 2 attached to the circular frame 20 by the weight 23 does not get up even if the handle is operated. So that it is always upright automatically.

  The bearing mechanism 21 that allows the circular frame 20 to rotate is composed of a number of roller bearings 24 that receive the outer peripheral edge of the circular frame 20 and a number of ball bearings 25 that receive the front and rear surfaces of the outer peripheral edge of the circular frame 20. However, as shown in FIG. 7, a permanent magnet may be disposed on the outer peripheral surface of the circular frame 20, and a permanent magnet may be disposed on the inner peripheral surface of the cover 24 to cause repulsion. In this case, the weight 23 is made of a nonmagnetic material so as not to be affected by the magnetic force.

  Further, as shown in FIG. 8, a gear 30 is formed on the outer periphery of a circular frame 20 that is rotatably supported, and a small gear 32 driven by a motor 31 is meshed with the gear 30 and also from a gravity sensor. The monitor 2 may be erected by controlling the rotation amount of the motor 31 based on the angle signal.

  6, 7, and 8, 10 and 11 are an annular GPS signal terminal and a power supply terminal formed on the outer peripheral edge of the circular frame 20, and the GPS signal terminal 10 inputs a signal from a GPS (not shown) to the monitor 2. The power supply terminal 11 supplies power to the monitor 2. Reference numerals 12 and 13 denote spring terminals for power supply and GPS signal formed on the cover 4, and the spring terminals for power supply and GPS signal 12 and 13 are in spring contact with the annular GPS signal terminal 10 and the power supply terminal 11. To supply signals and power.

  Also in the second embodiment, since the center of the circular frame 20 is positioned on the center of the rotation axis of the handle 1, the monitor 2 is positioned above the handle 1 from the first embodiment. In order to prevent visual recognition, as shown in FIG. 9, it is preferable to use the vehicle in which meters are mounted on a dashboard.

  10, 11, and 12 show a third embodiment in which the monitor 2 is attached to the handle 1 in a pendulum shape, and the monitor 2 is shaken by a support pin 40 attached on the center of the rotation axis of the handle 1. The monitor 2 is always erected by being suspended freely. By attaching the monitor 2 in a pendulum manner, the upper half of the handle 1 can be opened greatly, so that the visual recognition of the meters attached to the dashboard is not hindered, as shown in FIG.

  In addition, by attaching the support pin 40 and the monitor 2 so that a little frictional resistance is generated, or by controlling the electromagnet of the magnetic bearing, the monitor 2 is prevented from shaking due to the shaking of the vehicle to prevent the visibility from being lowered. Yes.

1 Handle 2 Monitor
20 round frame
21 Bearing mechanism
23 spindles
24 Roller bearing
25 Ball bearing 3 Air bag device 4 Cover 5 Image erecting device 6 Handle shaft 7 Inflator 8 Air bag
10 GPS signal terminal
11 Power supply terminal
12 Spring terminal for power supply
13 GPS signal spring terminal
30 gears
31 Motor
32 small gear
40 Support pin

Claims (3)

  In a car navigation display device that is mounted on a vehicle and displays an image such as vehicle position information on map information, a monitor for displaying map information or the like is provided on the handle, and a display image of the monitor that is visually recognized by the driver is handled by the handle. A display device for car navigation, comprising an image erecting device that erects regardless of an operation.   2. The display device for car navigation according to claim 1, wherein the image erecting device rotates the entire monitor in an erect state based on gravity.   The display device for car navigation according to claim 1, wherein the image erecting device displays only the image of the monitor in an erect state based on the angle signal of the gravity sensor.

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