JPH0769100A - Automotive instrument display - Google Patents

Abstract

(57) [Summary] [Purpose] The instrument display for automobiles is placed in a position that is easy to see while the driver is driving, and that does not cause the driver to feel bothersome and does not increase the burden on the driver. Provide a device. [Structure] First detection means for detecting first vehicle information during normal traveling of an automobile, second detection means for detecting second vehicle information during non-steady traveling of an automobile, and first vehicle information. A first judgment means for outputting a first display signal based on the second vehicle information, and a second judgment means for outputting a second display signal based on the second vehicle information, and as a first pattern image according to the first display signal. Image A of the second image according to the second display signal.
The display control means is provided for selectively displaying the image B as the image of the pattern on the screen display unit 6 and for stopping the display on the screen display unit when both display signals are not input.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display device for automobile instruments.

[0002]

2. Description of the Related Art Among the screen displays of automobile instrument display devices such as warning lamps, tachometers and speedometers arranged on an instrument panel around a steering wheel, the speedometer display, particularly the visibility of the vehicle speed, is improved. For the purpose of achieving the above, a so-called head-up display (abbreviated as HUD) is displayed at the bottom of the windshield glass, which is a field of view that is easy for the driver to see while driving.
(Also called the front window display)
It has been known. In this technique, for example, a reflecting portion is formed under a windshield glass, a vehicle speed value digitally displayed as a set with a hybrid meter is optically projected on the reflecting portion, and the vehicle speed value is displayed.

[0003]

However, in the above technique, when the driver feels annoying, the manual switch has to be turned off, and the image display by the head-up display is over the front view. Since the vehicle laps, increasing the display amount of the vehicle information becomes a problem that hinders the driving visibility. In addition,
Increasing the vehicle information display amount, attaching an on / off switch, and performing the on / off operation for each vehicle information causes a problem that the driver's operation load increases.

Therefore, according to the present invention, in order to solve such a problem, the driver does not feel annoyed, and the driver's operation load is not increased, so that the driver can see the position easily while driving. An object of the present invention is to provide an instrument display device for automobiles arranged.

[0005]

In order to achieve the above-mentioned object, the present invention is provided with a screen display unit in the forward field of view of an automobile, and the screen display unit is provided by a signal from each detection unit for detecting vehicle information. A vehicle instrument display device having an image display means for displaying the vehicle information on a vehicle, wherein the first vehicle information is detected during normal running of the vehicle.
Detecting means, second detecting means for detecting second vehicle information during the unsteady running of the vehicle, first determining means for outputting a first display signal based on the first vehicle information, and second vehicle A second determination means for outputting a second display signal based on the information, and an image of the first pattern in response to the first display signal and an image of the second pattern in response to the second display signal. And a display control means for stopping the display on the screen display unit when both display signals are not input.

Here, the steady running of the vehicle means a running state in which there is little change in the operation for steering the running of the vehicle, while the non-steady running means a state in which the change of the operation is remarkable, For example, during winding driving (so-called sports driving) that requires the steering wheel to be switched to the left or right, or driving conditions that require a sudden acceleration / deceleration operation such as sudden depression of the accelerator pedal or brake pedal or frequent operation of the shift lever. Say time.

[0007]

According to the present invention, with the above-described structure, the first vehicle information is detected by the first detection means during the steady running of the automobile, and the first determination means makes the first determination based on the first vehicle information. A display signal is output. On the other hand, during non-steady running of the automobile, the second vehicle information is detected by the second detection device, and the second determination device outputs the second vehicle information based on the second vehicle information.
A display signal is output. The display control means selectively displays the image of the first pattern according to the output first display signal and the image of the second pattern according to the second display signal on the screen display unit, and also displays both of them. When no signal is input, the display on the screen display unit is stopped.

[0008]

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

FIG. 1 shows a layout around a driver's seat in a front part of an automobile to which an embodiment of the present invention is applied. In the figure, reference numeral 1 is an instrument panel main body, reference numeral 1u is an upper instrument panel provided on an upper portion of the instrument panel main body, reference numeral 2 is a steering handle, reference numeral 3 is a lower windshield glass, and reference numeral 4 is a center console. Shown respectively. A main switch (not shown in FIG. 1) having an accessory and an ignition position and the like is arranged at a predetermined portion on the side of the steering wheel 2.

A multi-screen display panel 5 for displaying various vehicle information on a screen is arranged in a recessed portion between the upper instrument panel 1u and the front edge of the instrument panel 1. The multi-screen display panel 5 has a curved surface curved in an arcuate shape, and is arranged at an appropriate position which is ergonomically required and has excellent front visibility, which is easy to see while the driver is driving. In the central part of the multi-screen display panel 5,
The screen display unit 6 is arranged, and for example, the image A as the image of the first pattern and the image B as the image of the second pattern are selectively displayed, and nothing is displayed under a certain condition described later. An image of the pattern (hereinafter, referred to as "off-image") is displayed.

The image A as the image of the first pattern includes
In the figure, a shift lever position 51 (the D range is shown in the figure), a digital display odometer 52 and a trip meter 53 in order from the upper left portion to the lower portion,
A water temperature gauge 54 (metering and warning display), a warning information display section 50 (shown by a broken line in the figure) in the upper right portion, and a fuel gauge 55 (metering and warning display) in the lower right portion are displayed.

The image B as the image of the second pattern includes
Shift lever position 51 (D in the figure) on the upper left
The range is displayed), the warning information display section 50 (shown by a broken line in the figure) in the upper right part, and the tachometer 5 in the lower part.
6 (measurement and alarm display) are displayed respectively. In addition, parking brake, brake abnormality, brake fluid,
When warning information such as overheat, engine oil, engine abnormality, power steering oil, charging system abnormality, and half-door is input, a predetermined picture and message are lit up at the time of warning. The control configuration and operation of the display content of the screen display unit 6 will be described later in detail.

On the right side of the screen display unit 6, for example, a right screen display unit 7 which is a vehicle speed display screen unit for constantly displaying a digitally displayed speedometer value as shown in the image C is arranged. The vehicle speed value of the speedometer is constantly displayed on the right screen display portion 7 by a signal from a vehicle speed sensor (not shown). On the left side of the screen display unit 6, a left screen display unit 8 is arranged so that the driver can selectively display images of the rear view of the vehicle and the local map around the vehicle by the navigation system. The screen display unit 6, the right screen display unit 7, and the left screen display unit 8 are each configured by a projection LCD (liquid crystal display device) that is operated by an LCD (liquid crystal display device) drive circuit (not shown). The display area of 6000 rpm or more of the tachometer shown in (3) is displayed in red, for example, in red. In the front upper right portion of the steering wheel 2, every time the driver manually pushes, the image A as the image of the first pattern, the image B as the image of the second pattern, or automatic display (OFF) can be selectively switched. A push-on type manual switch 9 is arranged.

Next, the configuration for controlling the display contents of the screen display unit 6 will be described with reference to the block diagram shown in FIG. In FIG. 2, a display device controller 10 as a display control means is a meter information storage unit 1 described below.
1, a display device 12 as image display means, a manual switch 9, a main switch 28 and driving operation information 13,
Command signals and data signals are transmitted / received to / from each sensor that outputs the vehicle behavior information 14 and the navigation information 15 to control the system of the entire apparatus.

A transmission sensor 16 for detecting a transmission switching range, a water temperature sensor 17 for detecting an engine cooling water temperature, a fuel remaining amount sensor 18 for detecting a remaining amount of fuel, and an engine speed sensor 19 for detecting an engine speed. Each detection signal of is transmitted to the instrument information storage unit 11 as instrument information 20. The transmission sensor 16, the water temperature sensor 17, the remaining fuel amount sensor 18, and the engine speed sensor 19 are arranged at well-known positions of the automobile and have a well-known configuration. The transmission sensor 16, the water temperature sensor 17, and the remaining fuel amount sensor 18 form a group of first detecting means for detecting the above-mentioned vehicle information as the first vehicle information during steady running of the automobile.

A brake sensor 21 for detecting the depression angle of the brake pedal and differentiating the detected value to obtain the depression angular velocity, and a depression angle of the accelerator pedal for detecting the depression angle of the accelerator pedal, and differentiating the detection value to obtain the depression angular velocity. Sensor 2
2, a steering wheel angle detection sensor 23 that detects the angular velocity of the steering wheel 2, a shift lever touch switch 24 that detects the switching range in that state by touching the shift lever, and an inter-vehicle distance sensor that detects the front or rear inter-vehicle distance. Each detection signal of 25 is transmitted to the display device controller 10 as the driving operation information 13 forming the second vehicle information. On the other hand, the signals of the longitudinal G sensor 26 that detects the longitudinal acceleration of the vehicle and the lateral G sensor 27 that detects the lateral acceleration of the vehicle are the display device controller as the vehicle behavior information 14 that forms the second vehicle information. Sent to 10. Further, the navigation information 15 forming the first vehicle information is obtained by a known detection means group and system group (not shown) and transmitted to the display device controller 10.

The brake sensor 21, the accelerator opening sensor 22, the steering wheel angle detection sensor 23, the shift lever touch switch 24, the inter-vehicle distance sensor 25, the front-rear G sensor 26 and the lateral G sensor 27 are used during non-steady running of the vehicle. It forms a group of second detection means for detecting the second vehicle information. Here, the engine speed detected by the engine speed sensor 19 is output to the meter information storage unit 11 as meter information 20, but the vehicle information is not necessary during normal steady running, so the first vehicle Not processed as information. That is, the engine speed sensor 19 is used as a second detection means for detecting the second vehicle information during unsteady running, and the detected engine speed is taken in via the instrument information storage unit 11 and displayed. The device controller 10 processes the second vehicle information.

The display device controller 10 has a functional configuration of first determining means for outputting a first display signal based on the first vehicle information and second functional means for outputting a second display signal based on the second vehicle information. CPU (central processing unit), RAM, which has peripheral devices built-in and which are not shown
It is configured by using a microcomputer having a (readable / writable storage device), a ROM (read only storage device), a counter, an I / O (input / output) interface, and the like.

The display device controller 10 selectively displays the image A according to the first display signal and the image B according to the second display signal on the screen display unit 6, and when both display signals are not input. It has a function of stopping the display on the screen display unit 6 and controls the display device 12. Display device 1
Reference numeral 2 mainly comprises an LCD drive circuit and a screen display unit 6 not shown.

The predetermined display level for displaying the first pattern image is, for example, a travel distance of 50 when the shift lever is operated.
Every km, when the engine cooling water temperature is changing with a predetermined degree of change, when the remaining fuel amount is 10 liters or less, or when the fuel consumption state is less than half and the distance to the gas station around the vehicle is 1 km. Etc., and is judged by the first judging means of the display device controller 10. Therefore,
In the image A, the first vehicle information that has reached the predetermined display level, that is, the D range at the shift lever position 51, the 4237 km at the odometer 52, the 165 km at the trip meter 53, and the measured values of the water temperature gauge 54 and the fuel gauge 55 are shown. Each is displayed.

The predetermined display level for displaying the second pattern image is, for example, winding running when the change in the angular velocity of the steering wheel is a certain value or more, the lateral acceleration is a certain value or more, and when it continues for a predetermined time. When the conditions (so-called sports driving) are satisfied, or when the peak value of the longitudinal acceleration is a certain value or more and the peak value within the certain time is more than a predetermined number of times, or the angular velocity of the brake pedal is depressed, the accelerator pedal is depressed. It is given under a traveling condition in which acceleration / deceleration is severe when the angular velocity is a certain value or more, and is determined by the second determination means of the display device controller 10. Therefore, in the image B, the information of each second vehicle that has reached the predetermined display level, that is, the shift lever position 51.
The D range and the number of revolutions of the tachometer 56 are displayed respectively.

Next, an operation program to be displayed on the screen display section 6 will be described with reference to the flowchart shown in FIG.

In step 30, the main switch 2
When the switch 8 is turned on to enter the accessory position or the engine start state, first, in step 31, the image A is displayed on the screen display unit 6 for a fixed time, for example, 2 seconds. Next, the process automatically proceeds to step 32, and the image B is displayed on the screen display unit 6 for a certain period of time, for example, 2 seconds. Then, the process automatically proceeds to step 33, where the image B of the screen display unit 6 is extinguished and turned off. Next, the routine proceeds to step 34, where it is judged whether or not there is a warning signal input, and when there is no warning signal input, the routine proceeds to step 35.

In step 35, if the switch to the image A is selected by the manual switch 9, step 37
The image A shown in FIG. Similarly, when switching to the image B is selected, the image B shown in step 36 is continuously displayed and the process proceeds to step 34.

On the other hand, if the switch to OFF (automatic display) is selected in step 35, the process proceeds to step 38.
In step 38, vehicle information from each sensor is fetched, and the process proceeds to step 39. In step 39,
It is determined whether the vehicle information from each sensor has reached a predetermined display level for displaying the image A. If the vehicle information has not reached the predetermined display level, the process proceeds to step 40. Step 40
At, the vehicle information from each sensor is fetched, and the routine proceeds to step 42. In step 42, it is determined whether the vehicle information from each sensor has reached a predetermined display level for displaying the image B. If the vehicle information has not reached the predetermined display level, the screen display unit 6 is turned off and the process proceeds to step 34. Return.

When it is determined in step 39 that the vehicle information (first vehicle information) from each sensor has reached the predetermined display level for displaying the image A, step 41
And the image A is automatically displayed. When the lighting display condition is released, the display of the image A is automatically turned off after a predetermined time, for example, 5 seconds, and the process returns to step 38. Similarly, when it is determined in step 42 that the vehicle information (second vehicle information) from each sensor has reached the predetermined display level for displaying the image B, the process proceeds to step 43, and the image B is automatically displayed. To be done. When the lighting display condition is released, the display of the image A is automatically turned off after a fixed time, for example, 5 seconds, and the process returns to step 40.

In step 34, for example, when a warning signal of the remaining fuel amount is input due to the lack of the remaining fuel amount or the like, the step elapsed position at that time, that is, step 36, step 37, step 41 or step 4
The fuel gauge display portion of image A or image B is interrupted before 3 and the red light is turned on.

When a warning signal is input to the display device controller 10 and no action is taken to cancel it for a predetermined time, the right screen display portion 7 is once included for, for example, 5 seconds. It is programmed so that it is displayed in a large size and then again only on the screen display unit 6, and the above display is repeated.

When the driving operation information 13 and the like detected by the inter-vehicle distance sensor 25 and the navigation information 15 are input to the display device controller 10 and it is determined that the dangerous state has reached a predetermined display level, It is programmed to be displayed in a large size on the screen display unit 6 and the right screen display unit 7 according to the degree of danger.

According to this embodiment, the screen display portion 6 is arranged near the lower part of the windshield glass, which has excellent visibility in the front view, and the vehicle information which is supposed to be necessary for the driver is selectively selected. By automatically displaying, the display area can be concentrated, so that the display area can be reduced. Therefore, it is possible to reduce the amount of movement of the driver's line of sight and shorten the recognition time, reduce eye strain, and not bother the driver, thus reducing the burden on the driver. is there. Also, since the warning information is preferentially displayed on the screen display unit 6,
There is also the advantage of giving the driver an accurate warning in a timely manner.

The present invention is not limited to arranging the screen display portion 6 near the lower part of the windshield glass having excellent visibility in the front view as in the above-described embodiment. It goes without saying that the above advantages can be obtained even when applied to an instrument panel or the like.

[0032]

As described above, according to the present invention, due to the above-described configuration and operation, the driver does not feel bothersome, and the driver's operation load can be reduced, and the driver It is possible to provide an instrument display device for an automobile, which is arranged at a position that is easy to see while driving.

[Brief description of drawings]

FIG. 1 is a perspective view showing a layout around a front driver's seat of a vehicle to which an embodiment of the present invention is applied and a screen display unit of an instrument display device.

FIG. 2 is a block diagram showing a control configuration of the embodiment shown in FIG.

FIG. 3 is a flowchart showing an operation program of the embodiment of FIG.

[Explanation of symbols]

A Image as first pattern image A B Image as second pattern image B 6 Screen display unit 7 Right screen display unit as vehicle speed display screen unit 10 Display as first and second determination means and display control means Device controller 16 Transmission sensor as first detecting means 17 Water temperature sensor as first detecting means 18 Fuel remaining amount sensor as first detecting means 19 Engine speed sensor 21 as second detecting means 21 Brake as second detecting means Sensor 22 Accelerator opening sensor as second detection means 23 Steering wheel angle detection sensor as second detection means 24 Shift lever touch switch as second detection means 25 Inter-vehicle distance sensor as second detection means 26 As second detection means Front and rear G sensor 27 Lateral G sensor as second detecting means

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Takahiro Maemura 5-3-8 Shiba, Minato-ku, Tokyo, Mitsubishi Motors Corporation (72) Inventor Tadao Tanaka 5-33-8 Shiba, Minato-ku, Tokyo No. ・ In Mitsubishi Motors Corporation (72) Inventor Hiroshi Fujii 5-3 33 Shiba, Minato-ku, Tokyo 8 ・ Inside Mitsubishi Motors Corporation (72) Inventor Morihiro Takada 5-33 Shiba, Minato-ku, Tokyo No. 8 in Mitsubishi Motors Corporation

Claims (3)

[Claims] 1. A screen display unit is provided in the front view of an automobile,
An instrument display device for an automobile having image display means for displaying the vehicle information on the screen display section by a signal from each detecting means for detecting vehicle information, wherein the first vehicle information is detected during steady running of the automobile. First detecting means for detecting, second detecting means for detecting second vehicle information during non-steady running of the vehicle, first determining means for outputting a first display signal based on the first vehicle information, and And a second determination means for outputting a second display signal based on the second vehicle information, the first pattern image according to the first display signal, and the second pattern image according to the second display signal. An instrument display device for an automobile, comprising display control means for selectively displaying on the screen display unit and stopping display on the screen display unit when both display signals are not input. 2. The instrument display device for an automobile according to claim 1, wherein the screen display portion is provided near a lower portion of the windshield glass. 3. The vehicle instrument display device according to claim 2, wherein a vehicle speed display screen section for constantly displaying the vehicle speed of the vehicle is provided adjacent to the screen display section. .