JP2993327B2 - Automotive instrument display - Google Patents

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 an instrument for a vehicle.

[0002]

2. Description of the Related Art Among the screen displays of automotive instrument display devices such as warning lamps, tachometers and speedometers disposed on an instrument panel around a steering wheel, the display of a speedometer, especially the visibility of a vehicle speed is improved. A head-up display (abbreviated as HUD) displayed below the windshield glass, which is a viewable position that is easy to see while driving,
Is called front wind display)
It has been known. In this technique, for example, a reflector is formed below a windshield glass, and a vehicle speed value digitally displayed in a set with a hybrid meter is optically projected on the reflector to display the vehicle speed value.

[0003]

However, in the above-mentioned technology, when the driver feels troublesome, the driver must turn off the switch by a manual changeover switch, and the image display by the head-up display is over the front view. Increasing the amount of vehicle information displayed for lapping is a problem that hinders the driver's view. Also, temporarily
Increasing the vehicle information display amount and attaching an on / off switch to perform the on / off operation on individual vehicle information is a problem that leads to an increase in driver's operation burden.

[0004] Therefore, in order to solve the present invention is such a problem, the never feel cumbersome driver, without leading to an increase of the operation of the driver load, visually
It is an object of the present invention to provide an automotive instrument display device having excellent performance .

[0005]

To achieve the above mentioned SUMMARY OF THE INVENTION The object, the invention according to claim 1 is provided with a screen display unit within forward view of the vehicle, the signal from each detection means for detecting vehicle information in automotive instrument display having an image display means for displaying the vehicle information to the screen display unit by a first detecting means for detecting a first vehicle information associated with the first running state of the upper Symbol automobiles , The second run of the car
Second detection means for detecting a second vehicle information related to row state, a first determination means for outputting a first display signal based on the first vehicle information, a second display signal based on the second vehicle information And a warning information of the vehicle.
Warning information determining means for determining the presence or absence of a report ,
An image of a first pattern in response to a first display signal and an image of a second pattern in response to a second display signal are selectively displayed on the screen display unit;
When it is determined that there is the above warning information,
The warning information is displayed on the screen display unit in the first pattern.
A configuration is provided that includes display control means for displaying the image and the image of the second pattern in a common manner . Claim 2
According to the invention, the instrument display device for an automobile according to claim 1 is provided.
Here, the first running state is a state in which the steering operation of the automobile is performed.
And the second running state
Is an unsteady running state in which the change in the steering operation is remarkable.
It has a configuration. The invention according to claim 3 is the invention according to claim 1.
In the automotive instrument display device of the first, the first or second size
According to the first or second display signal output from the disconnection means.
Automatic display, first pattern image display and second pattern
Switch for selectively switching the image display
Configuration.

[0006] Non-steady running like in the invention of claim 2, wherein
The state, if example embodiment, winding travel being forced to obtain vigorous <br/> cutting conversion the steering wheel to the left and right (the so-called sports driving) and, frequent operations like rapid depression or shift lever of the accelerator pedal or the brake pedal Driving conditions in which sudden acceleration / deceleration operations must be performed.
You .

[0007]

According to the first and second aspects of the present invention, the first vehicle information is detected by the first detecting means in the first running state of the automobile, and the first vehicle information is added to the first vehicle information. A first display signal is output from the first determination means based on the first display signal. On the other hand, Oite the second driving state of the motor vehicle, the second vehicle information detected by the second detecting means, the second determining means based on the second vehicle information and the second display signal is output.
Display control means, first in response to the first display signal output 1
The pattern image, Rutotomoni selectively display the image of the second pattern in accordance with the second display signal on the screen display unit, Wah
It is determined that warning information exists by the warning information determination means
Is displayed, the warning information is displayed on the screen display.
Common aspect between one pattern image and second pattern image
To display. According to the invention of claim 3, the switch
Is output from the first or second determination means by the operation of
Automatic display according to the first or second display signal, first pattern
Image display and the second pattern image display selectively
Can be switched.

[0008]

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

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

A multi-screen display panel 5 for displaying various types of vehicle information on a screen is disposed 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 that is curved in an arc shape, and is disposed at an appropriate position that is ergonomically required and has excellent front view visibility that is easy to see during driving by the driver. In the center of the multi-screen display panel 5,
The screen display unit 6 is disposed, for example, an image A as a first pattern image and an image B as a second pattern image are selectively displayed, and nothing is displayed under certain conditions described later. An image of the pattern (hereinafter, referred to as an “extinguished image”) is displayed.

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

An image B as an image of the second pattern includes:
The shift lever position 51 (in the figure, D
The range is displayed), a warning information display unit 50 (shown by a broken line in the figure) is provided in the upper right part, and the tachometer 5 is provided in the lower part.
6 (measurement and alarm display) are displayed. In addition, parking brake, brake abnormality, brake fluid,
When warning information such as overheating, engine oil, engine abnormality, power steering oil, charging system abnormality, and a half door is input, a predetermined picture and message are lit upon 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, a right screen display unit 7, which is a vehicle speed display screen unit for constantly displaying a digitally displayed speedometer value or the like as shown in an image C, is arranged. The vehicle speed value of the speedometer is constantly displayed on the right screen display unit 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 that allows the driver to selectively display images of the rear view of the vehicle and a local map around the vehicle by the navigation system is disposed. The screen display unit 6, the right screen display unit 7, and the left screen display unit 8 are each configured by a projection type LCD (liquid crystal display device) operated by an LCD (liquid crystal display device) driving circuit (not shown). The display area of 6000 rpm or more of the tachometer shown in FIG. In the upper right part of the front of the steering wheel 2, each time the driver manually presses, the image A as the first pattern image, the image B as the second pattern image and automatic display (off) are selectively switched. The obtained push-on type manual switch 9 is arranged.

Next, a 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 unit includes an instrument information storage unit 1 described below.
1. Display device 12 as image display means, manual switch 9, main switch 28 and driving operation information 13,
A command signal and a data signal 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 a cooling water temperature of the engine, a fuel remaining amount sensor 18 for detecting a remaining fuel, and an engine speed sensor 19 for detecting an engine speed. Are transmitted to the instrument information storage unit 11 as the instrument information 20. The transmission sensor 16, the water temperature sensor 17, the fuel remaining amount sensor 18, and the engine speed sensor 19 are disposed at known positions of the vehicle and have a known structure. Note that the transmission sensor 16, the water temperature sensor 17, and the fuel remaining amount sensor 18 indicate that the vehicle is traveling in a steady state as a first traveling state.
It forms a group of first detecting means for detecting the respective vehicle information as the first vehicle information in the state .

A brake sensor 21 for detecting a depression angle of a brake pedal and differentiating the detected value to obtain a depressed angular velocity, an accelerator opening for detecting a depressed angle of an accelerator pedal and differentiating the detected value to obtain a depressed angular velocity. Sensor 2
2. A steering wheel angle detection sensor 23 for detecting the angular velocity of the steering wheel 2, a shift lever touch switch 24 for detecting a switching range in that state by touching the shift lever, and an inter-vehicle distance sensor for detecting the inter-vehicle distance in front and behind. Each of the 25 detection signals 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 for detecting the longitudinal acceleration of the vehicle and the lateral G sensor 27 for detecting the lateral acceleration of the vehicle are displayed as vehicle behavior information 14 forming the second vehicle information as a display controller. Sent to 10. The navigation information 15 forming the first vehicle information is obtained by a known group of detecting means and a group of systems (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 and rear G sensor 26, and the lateral G sensor 27 are provided in the second running state of the automobile .
As a group of the second detection means for detecting the second vehicle information in the unsteady running state . Here, the engine speed detected by the engine speed sensor 19 is output to the instrument information storage unit 11 as instrument information 20.
During normal steady running, the vehicle information is not required and is not processed as the first vehicle information. That is, the engine speed sensor 19 sets the second running state of the automobile.
Is used as a second detecting means for detecting a second vehicle information in the non-steady running state of Te, the engine rotational speed detected is taken through the instrument information memory unit 11, first in the display device controller 10 2 Is processed as vehicle information.

The display device controller 10 has a functional configuration of a first determining means for outputting a first display signal based on the first vehicle information and a second determining means for outputting a second display signal based on the second vehicle information; A method for determining the presence or absence of warning information
CPU (central processing unit), RAM (readable and writable storage device), ROM, which incorporates the functional configuration of the
(Read-only storage device), a microcomputer having a counter, an I / O (input / output) interface, and the like.

The display device controller 10, an image A in response to the first display signal, the selectively display image B on the screen display unit 6 in response to the second display signal, warning information
When it is determined that there is warning information by the report determination means
At this time, the warning information is displayed on the screen display unit 6 as an image A.
The function of the display control means for displaying the image B in a common manner
And a first display signal, a second display signal, or a word signal.
When the training signal is not input it has a function of stopping the display of the screen display unit 6 controls the display unit 12. The display device 12 mainly includes an LCD drive circuit (not shown) and the screen display unit 6.

The predetermined display level for displaying the first pattern image is, for example, that when the shift lever is operated, the traveling distance is 50.
Every km, when the engine coolant temperature is changing at a predetermined rate, when the remaining fuel is less than 10 liters, or when the fuel consumption is less than half, the distance to the gas station around the vehicle is 1 km And the like, and is determined by the first determination 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 for the shift lever position 51, the 4237 km for the odometer 52, the 165 km for the trip meter 53, the measured values of the water temperature gauge 54 and the fuel gauge 55 are shown. Each is displayed.

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

Next, an operation program for displaying on the screen display unit 6 will be described with reference to a flowchart shown in FIG.

In step 30, the main switch 2
When the accessory 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 certain time, for example, two seconds. Next, the process automatically proceeds to step 32, in which the image B is displayed on the screen display unit 6 for a predetermined time, for example, 2 seconds, and automatically proceeds to step 33, where the image B on the screen display unit 6 is turned off and becomes an unlit image. Next, the process proceeds to step 34, where it is determined whether or not a warning signal has been input. If no warning signal has been input, the process proceeds to step 35.

If it is determined in step 35 that the manual switch 9 is used to switch to image A, step 37
Then, the process proceeds to step S34. Similarly, when the 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 switching to off (automatic display) is selected in step 35, the process proceeds to step 38.
In step 38, the vehicle information from each sensor is fetched, and the process proceeds to step 39. In step 39,
It is determined whether or not 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
, The vehicle information from each sensor is fetched, and the routine proceeds to step 42. In step 42, it is determined whether or not 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.

If 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
The image A is automatically displayed. The display of the image A is automatically turned off after a fixed time, for example, 5 seconds after the lighting display condition is released, 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. Is done. The display of the image B is automatically turned off after a fixed time, for example, 5 seconds after the lighting display condition is released, and the process returns to step S40.

In step 34, for example, when a warning signal of the remaining fuel level is inputted due to insufficient fuel level, the position at which the step has passed at that time, ie, step 36, step 37, step 41 or step 4
Interrupting before 3, the fuel gauge display section of the image A or the image B is lit in red.

When a warning signal is input to the display device controller 10 and no action is taken for canceling it for a predetermined time, the right screen display unit 7 is temporarily included for 5 seconds, for example. The program is displayed so as to be displayed in a large size and then displayed again only on the screen display unit 6, and the above display is repeated.

When the driving operation information 13 and the like and the navigation information 15 detected by the inter-vehicle distance sensor 25 are input to the display controller 10, and it is determined that the danger state has reached a predetermined display level, The program 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 unit 6 is disposed near the lower part of the windshield glass, which has excellent front view visibility, and selectively displays vehicle information assumed to be necessary for the driver. The automatic display allows the display area to 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 the recognition time, thereby reducing eyestrain and providing an advantage that the burden on the driver is reduced without inconvenience to the driver. is there. Also, since the warning information is preferentially displayed on the screen display unit 6,
There is also an advantage that an appropriate warning is given to the driver in a timely manner. Paraphrase
Then, according to this embodiment, the running state or the
Select the vehicle information according to the preference of the convertor and display it on the screen display unit 6.
While displaying, go to the screen display section 6 according to the warning information
Display mode in which the display of image does not change between image A and image B
The driver does not feel annoying
At the same time, it will not lead to an increase in the driver's operation burden,
The advantage of excellent visibility is also obtained.

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

[0032]

As described above, according to the present invention, the above configuration and operation do not cause the driver to feel troublesome and lead to an increase in the driver's operation burden.
It is possible to provide an instrument display for automobiles that is free from defects and excellent in visibility .

[Brief description of the drawings]

FIG. 1 is a perspective view showing a layout around a front driver's seat of an automobile 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 of FIG.

FIG. 3 is a flowchart showing an operation program of the embodiment of FIG. 1;

[Explanation of symbols]

A Image as a first pattern image A B Image as a 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 Apparatus 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 as second detecting means 21 Brake as second detecting means Sensor 22 Accelerator opening sensor as second detecting means 23 Handle angle detecting sensor as second detecting means 24 Shift lever touch switch as second detecting means 25 Inter-vehicle distance sensor as second detecting means 26 As second detecting means Front and rear G sensor 27 Lateral G sensor as second detecting means

Continued on the front page (72) Inventor Takahiro Maemura 5-33-8 Shiba, Minato-ku, Tokyo, Mitsubishi Motors Corporation (72) Inventor Tadao Tanaka 5-33-8 Shiba, Minato-ku, Tokyo Inside Mitsubishi Motors Corporation (72) Inventor Keiji Fujii 5-33-8 Shiba, Minato-ku, Tokyo / Inside Mitsubishi Motors Corporation (72) Inventor Morihiro Takada 5-33 Shiba, Minato-ku, Tokyo No. 8, inside Mitsubishi Motors Corporation (56) References JP-A-4-184482 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB name) B60K 37/06

Claims (3)

(57) [Claims] 1. A vehicle comprising a screen display unit in a front view of an automobile,
In a vehicle instrument display device having an image display means for displaying the vehicle information on the screen display unit in accordance with a signal from each detection means for detecting vehicle information, a first device related to a first running state of the vehicle first detecting means for detecting vehicle information, and outputs a second detection means for detecting a second vehicle information associated with the second running state of the automobile, the first display signal based on the first vehicle information a first determination means, warning occurs determines the second judgment means for outputting a second display signal based on the second vehicle information, the existence of warning information of the motor vehicle
And a grayed information determining means, the image of the first pattern in accordance with the first display signal, the image of the second pattern with selectively displayed on the screen display unit according to the second display signal, the warning Information judgment means
When it is determined that there is the above warning information,
The warning information is displayed on the screen display unit in the first pattern.
An instrument display for vehicles, comprising: display control means for displaying an image and an image of a second pattern in a common manner . 2. An instrument display for an automobile according to claim 1, wherein the first traveling state is a change in a steering operation of the automobile.
Is a steady running state, and the second running state is
An instrument display for automobiles, wherein the instrument is in an unsteady running state in which a change in steering operation is remarkable . 3. The instrument display device for a vehicle according to claim 1 , wherein the first or second output from the first or second determination means is provided.
Automatic display according to display signal, image display of first pattern
And image display of the second pattern can be selectively switched
An instrument display for an automobile , comprising a switch .