Display device for vehicle

The present invention relates to a vehicle display device that displays vehicle information (measurement information) such as an automobile.

Examples of this type of vehicle display device include a display device consisting of a liquid crystal panel, an EL panel, and other flat display panels, and vehicle information such as a rotation speed sensor that converts wheel rotation into speed and an engine speed. Vehicle information (measurement information) obtained from the engine rotation sensor or liquid level sensor that detects the amount of fuel, the temperature sensor that detects the water temperature of the engine, the sensor that detects the battery voltage, the sensor that detects the gear position position, etc. Is provided with a control means including a microcomputer for displaying the image as an image.

For example, in the case of a flat display panel in which a plurality of pixels are formed in a matrix formed by liquid crystal, for example, an analog display image consisting of a display image imitating a vehicle speed or an engine speed as a pointer is displayed (Patent Document 1). ) have in those display (Patent Document 2) at or a digital display image are known, such as those displayed as also shown an analog display image and the digital display image (Patent Document 3).

<p><patcit num="1"><text>Japanese Unexamined Patent Publication No. 2004-157434</text></patcit><patcit num="2"><text>Japanese Patent Application Laid-Open No. 2005-308489</text></patcit><patcit num="3"><text>Japanese Unexamined Patent Publication No. 2008-254539</text></patcit></p>

<p> However, in a display device consisting of a flat display panel, for example, a speedometer for displaying the speed of a vehicle, an engine tachometer for displaying the number of rotations of an engine, and a fuel amount of the vehicle are used as vehicle information based on signals from various sensors. Normal driving consisting of a fuel gauge that measures and displays, a tachometer that displays the temperature of the water that cools the engine, a tachometer (odometer, trip meter) that displays the mileage of the vehicle, and a gear position indicator that displays the position of the gear. It is equipped with a standard mode display image that is sometimes necessary, and a warning display image such as a centralized warning indicator that displays the vehicle status or monitors the vehicle status. In this way, since the standard mode display image and various display images such as the centralized warning display (warning display image) are displayed on the display panel, there is a problem that the required information cannot be immediately determined. was there.</p><p> Therefore, the present invention has been made by paying attention to the above-mentioned problems, and it is necessary for the driver to easily see the display of the display panel (flat display panel) in which a plurality of pixels are formed in a matrix, and immediately. It is an object of the present invention to provide a display device capable of reading various information.</p>

<p> In order to solve the above-mentioned problems, in the first aspect of the present invention, in a vehicle display device for displaying various (various) vehicle information by a display panel in which a plurality of pixels are formed in a matrix, the display panel is used. A control means for displaying the vehicle information as a display image, and a vehicle information display image and a vehicle body diagram display image for displaying various vehicle information obtained from the vehicle information detection means as the display image to be displayed on the display panel. The control means that controls the display of the display image is provided so that the display contents of the vehicle information display image and the vehicle body diagram display image, which are the display images, can be switched and displayed according to the instruction of the switching means. This is a vehicle display device characterized by the above.</p><p> With this configuration, the vehicle information obtained from the vehicle information detecting means is displayed as a display image together with the vehicle information display image and the vehicle body diagram display image, so that the display panel (display image) is displayed when the vehicle is driving. ) Display control means that the required display image can be read (determined) in a timely manner according to the instructions of the switching means. Therefore, it is necessary to provide a vehicle display device that is easy to see while ensuring safety. Can be done.</p><p> Further, in claim 2, in the vehicle display device according to claim 1, the vehicle information display image includes a standard mode display image (standard mode display image required during vehicle running) required for normal driving and an abnormality of the vehicle. A display device for a vehicle, characterized in that a warning display image corresponding to a state is provided, and display contents of the vehicle information display image for displaying the vehicle information and the vehicle body diagram display image can be switched and displayed. Is.</p><p> With this configuration, the standard mode display image required for normal driving and the warning display image corresponding to the abnormal state of the vehicle are displayed together with the vehicle body diagram display image, so that the display item for displaying the warning can be displayed. It can be emphasized and displayed, and a novel effect can be achieved.</p><p> Further, in claim 3, in the vehicle display device according to claim 2, the warning display image is displayed by switching the vehicle body diagram display image to an image according to the type content of the warning, and is displayed as a graphic, a character, or a numerical value. This is a vehicle display device characterized in that a warning is displayed by voice or the like.</p><p> With this configuration, the vehicle body diagram display image is switched to an image according to the type content of the warning and displayed, so that a dynamic feeling can be obtained while improving the visibility by the graphic vehicle body diagram, and the alarm is displayed. The display items can be emphasized and displayed, and can be immediately identified by the warning display by characters, numerical values, voices, and the like.</p><p> Further, claim 4 is characterized in that, in the vehicle display device according to claim 1, information requested by a user arbitrarily selected from various vehicle information is selected and displayed. It is a device.</p><p> With this configuration, the information of the display item arbitrarily selected by the driver can be emphasized and displayed as an image, and the information can be immediately determined.</p><p> Further, in claim 5, in the vehicle display device according to claim 1, a navigation information display image is provided on the display panel, and information arbitrarily selected from normal navigation information and the vehicle information requested by the user. It is a display device for vehicles characterized in that it is provided so that it can be switched and displayed in combination with the above.</p><p> With this configuration, in addition to commercially available navigation information, information arbitrarily selected from the vehicle information requested by the user can be combined and displayed for switching display, so that the display item arbitrarily selected by the driver can be displayed. Information can be emphasized and an image can be displayed, and a novel effect can be achieved.</p><p> Further, claim 6 is characterized in that, in the vehicle display device according to claim 2, the warning display image indicates whether or not a driver's license is possessed when an ON signal of an ignition switch is detected. It is a display device for vehicles.</p><p> By configuring in this way, for example, a display image indicating that the driver's license is not carried is displayed as one of the warning display images, or a driver's license is not displayed as one of the warning display images in the vehicle body diagram display image. By incorporating and displaying a display image indicating that the vehicle is being carried, it is possible to make an instant determination, and it is possible to suspend driving, which has the effect of contributing to safe driving.</p><p> A vehicle according to claim 7, wherein in the vehicle display device according to claim 2, the warning display image indicates the presence or absence of alcohol intake when an ON signal of the ignition switch is detected. Display device.</p><p> With this configuration, for example, when the driver is seated in the driver's seat of the vehicle, a warning display on the display panel P indicates whether or not the driver has ingested alcohol through a sensor such as breath detection. By displaying it on the image GR2, it can be instantly determined, which makes it possible to immediately understand that it is inappropriate for driving the vehicle, which allows the driver to stop driving, resulting in safe driving. It has the effect of being able to contribute.</p><p> Further, claim 8 is characterized in that, in the vehicle display device according to claim 1, in various vehicle information, the rear confirmation information for confirming the rear of the vehicle and the vehicle body diagram display image are displayed side by side. It is a display device for vehicles.</p><p> With this configuration, the rear confirmation vehicle information that confirms the rear of the vehicle as one of the vehicle information is displayed side by side with the vehicle body diagram display image, so that it is possible to retreat to a predetermined place while confirming the safety. It will be possible.</p>

<p> In the present invention, in a vehicle display device DSP that displays various vehicle information D by a display panel P in which a plurality of pixels are formed in a matrix, the vehicle information D is displayed on the display panel P as a display image GR. The control means 200 to be displayed, and the vehicle information display image GRD and the vehicle body diagram display image GRC for displaying various vehicle information D obtained from the vehicle information detection means 300 as the display image GR to be displayed on the display panel P. The control means that controls the display of the display image is provided so that the display contents of the vehicle information display image GRD and the vehicle body diagram display image GRC, which are the display image GR, can be switched and displayed according to the instruction of the switching means. Since it is a vehicle display device characterized by the above, the vehicle information D obtained from the vehicle information detection means 300 shall be displayed together as a display image GR as a vehicle information display image GRD and a vehicle body diagram display image GRC. Therefore, when the vehicle is driving, the control means 200 that controls the display of the display panel P (display image GR) can read (determine) the display image GR required in a timely manner according to the instruction of the switching means 201. Therefore, it is possible to provide a vehicle display device DSP that is easy to see while ensuring safety, thereby achieving the intended purpose.</p>

<figref num="1">It is a block diagram which shows the electric structure of the vehicle indicator (vehicle display device) which is 1st Embodiment of this invention.</figref><figref num="2">FIG. 2 is a display image (vehicle information display image and vehicle body diagram display image) of a vehicle indicator (vehicle display device) composed of a flat display panel according to the first embodiment of the present invention, and in particular, a vehicle information display. It is a front view which shows an example of "standard mode display image" and "warning display image" which are images.</figref><figref num="3">FIG. 3 is a front view showing an example of a standard mode display image, a warning display image, and a custom mode display image which are vehicle information display images of a vehicle display device.</figref><figref num="4">FIG. 4 is a front view showing a display image indicating the presence or absence of a driver's license, which is an example of a warning display image of a vehicle display device.</figref><figref num="5">FIG. 5 is a front view showing an example of a rear confirmation display image and a body view display image of the vehicle display device.</figref><figref num="6">FIG. 6 is a front view showing a display image obtained by combining the navigation information display image of the vehicle display device, the navigation information, and the custom mode display image required by the user.</figref>

As a vehicle display device to be the subject of the present invention, a vehicle display device using an indicator instrument including a display panel (flat display panel) mounted on an automobile will be described in detail as an example.

Hereinafter, the first embodiment of the present invention will be described with reference to the accompanying drawings. 1 to 6 show an embodiment of the present invention, and a vehicle display device including a display panel P (flat display panel) is provided in front of the driver's seat of the vehicle.

The vehicle display device includes an image display device 100 and a control means 200 for displaying various various vehicle information as a display image GR on the image display device 100, and the control means 200 includes vehicle information detection means. It is configured to be able to receive each input signal from 300. The vehicle display device mounted on the vehicle is configured to display based on the ON / OFF operation of the ignition switch IG.

In the present embodiment, as the display image GR to be displayed on the display panel P, at least a vehicle information display image GRD for displaying vehicle information and a vehicle body diagram display image GRC for displaying a vehicle figure are provided.

The vehicle information display image GRD includes a standard mode display image GR1 (standard mode display image GR1 required when the vehicle is running) required when the vehicle travels under normal conditions, and a warning display image GR2 corresponding to an abnormal state of the vehicle. In addition to the above, the present embodiment also includes a custom mode display image GR3 that selects and displays the information requested by the user.

The image display device 100 uses, for example, a display panel P made of a liquid crystal in which a plurality of pixels are formed in a transmissive matrix.

The control means 200 is composed of a microcomputer provided with a CPU, ROM, RAM, an input / output interface, and the like. The control means 200 receives an input signal (input information) from the vehicle information detection means 300, obtains measurement data of vehicle information by a predetermined arithmetic process based on the input signal, and determines a drive signal corresponding to the measurement data. It is obtained by a cycle, and a drive signal corresponding to this measurement data is output to the image display device 100 at a predetermined cycle to display and drive the image display device 100.

Further, the control means 200 has a function of the switching means 201 that switches the display mode of the image display device 100 in response to a predetermined switching signal. At this time, the switching means 201 is set so that it can be automatically switched according to the situation of the vehicle, or the user can manually select and control the switching. ..

The vehicle information detecting means 300 detects vehicle information, and in the present embodiment, the vehicle speed is measured (speedometer 1), the engine speed is measured (tachometer 2), and the vehicle is used as vehicle information. It consists of an odometer, a trip meter, etc. that measure the mileage of the vehicle (mileage meter 3), measures the remaining amount of fuel (fuel meter 4), measures the water temperature of the engine (water temperature gauge 5), and displays the gear position. In order to display the standard mode display image GR1 that displays the vehicle information required for normal driving on the display panel P, such as performing (gear position indicator 6) and displaying the direction of travel of the vehicle (direction indicator 7). In measuring the speed of the vehicle (speedometer 1) described above as the detection means, the speed sensor S1, the engine rotation speed (tachometer 2), the engine rotation sensor S2, and the odometer S3 for measuring the mileage of the vehicle. It consists of various sensors Sn such as a remaining amount detection sensor S4 that measures the remaining amount of fuel, a temperature sensor S5 that measures the water temperature of the engine, and a gear position position detection sensor S6. The measurement information (state signal) obtained from each of the sensors S1, S2, S3, S4, S5, S6, Sn and the like detected by the vehicle information detecting means 300 in this way is processed through the control means 200 and is processed in the standard mode. Display image Displayed on the image display device 100 as vehicle information composed of GR1.

Further, as the warning display image GR2 for displaying the state of the vehicle or displaying the warning display contents such as the centralized warning indicator for monitoring the state of the vehicle on the display panel P as the vehicle information, for example, the seatbelt warning display W1 and Warning display W2 indicating the state of the side brake, fuel level warning display W3, battery voltage drop display W4, notification display W5 indicating the upward direction of the headlight, warning display W6 with a driver's license, or alcohol intake In order to detect the content of this warning display, the vehicle information detection means 300 includes a sensor SW1 that detects the wearing of a seatbelt and a sensor that determines whether or not the side brake is being pulled. Various notification or warning detection sensors including SW2, fuel level warning sensor SW3 that detects whether the amount of fuel is less than the specified amount, sensor SW4 that detects the battery voltage, etc. SW1, SW2, SW3, SW4, SWn The measurement information (state signal) obtained from the above is processed through the control means 200 and displayed on the image display device 100 as vehicle information including the warning display image GR2.

In addition, the custom mode display image GR3 that selects and displays the information requested by the user is the measurement information (state signal) and various types obtained from the various sensors S1, S2, S3, S4, S5, S6, Sn, etc. described above. The measurement information (state signal) obtained from the sensors SW1, SW2, SW3, SW4, SWn, etc. for notification and warning detection is processed through the control means 200 according to the instruction of the switching means 201, and the driver who is the user is arbitrary. The information of the display item selected in is provided so that it can be displayed as a custom mode display image GR3.

In the vehicle display device according to the present embodiment configured in this way, as shown in FIG. 2, on the right side of the display panel P, the speed of the vehicle, which is the standard mode display image GR1 required for normal driving, is measured. Speedometer 1, tachometer 2 to measure engine speed, odometer 3 to measure vehicle mileage, fuel gauge 4 to measure residual fuel, water temperature gauge 5 to measure engine water temperature Etc. are arranged, a gear position indicator 6 for displaying the gear position is arranged in the center of the lower stage, and a direction indicator indicator 7 for displaying the traveling direction of the vehicle is arranged in the center of the upper stage.

Further, in FIG. 2, in the lower left part of the display panel P, a warning display image W1 for displaying the warning display content for monitoring the vehicle condition, a warning display W1 for the seat belt which is GR2, a warning display W2 for indicating the state of the side brake, and a battery. The voltage drop display W4, the notification display W5 that displays the upward direction of the headlight light, etc. are arranged, and the vehicle information display image GRD is provided by this warning display image GR2 and the standard mode display image GR1 required for normal driving described above. Is displayed on the display panel P, and the vehicle body diagram display image GRC representing the vehicle figure is placed above the warning display image GR2, and the standard mode display image GR1 is placed below the vehicle body diagram display image GRC. A display image of a mileage meter 3 which is a trip meter for measuring the mileage of a vehicle, which is one of the above, is arranged.

Therefore, in the vehicle display device according to the present embodiment shown in FIG. 2, the vehicle information obtained from the vehicle information detecting means 300 is described together as the vehicle information display image GRD and the vehicle body diagram display image GRC as the display image GR. By displaying, a novel effect can be achieved, and the display image GR required in a timely manner according to the instruction of the switching means 201 by the control means 200 that controls the display of the display panel P (display image GR). Since it can be read, it is possible to provide a vehicle display device that is easy to see while ensuring safety. At this time, by displaying the necessary standard mode display image GR1 and the warning display image GR2 corresponding to the abnormal state of the vehicle together with the vehicle body diagram display image GRC, the display items for which the warning is displayed are emphasized and displayed. be able to.

Further, in FIG. 3, in the vehicle display device, in addition to the display image in which the required standard mode display image GR1 in FIG. 2 and the warning display image GR2 corresponding to the abnormal state of the vehicle are displayed together with the vehicle body diagram display image GRC, in addition to the display image. A custom mode display image GR3 has been added that selects and displays information requested by a user arbitrarily selected from the various vehicle information.

In this case, the display items of the custom mode display image GR3 are "average fuel consumption display", "oil change time display", "days until vehicle inspection", "current mileage display after ignition switch is turned on", and "remaining". Various display items such as "remaining mileage display for fuel" and "inter-vehicle distance display" are set so that they can be manually and arbitrarily selected and controlled via the switching means 201 of the control means 200. There is.

By adding the display items of the custom mode display image GR3 in this way, the information of the display items arbitrarily selected by the driver can be emphasized and displayed as an image, and it is possible to determine immediately. There are advantages.

Figure 4 shows the standard mode display image GR1 and the warning display image GR2 corresponding to the abnormal state of the vehicle displayed together with the vehicle body diagram display image GRC. As an example of the warning display image GR2, when the driver's license is not carried. The display image GRL (driver's license possession warning display W6) is on the vehicle body diagram display image GRC (handle that is a part of the vehicle body and the license insertion part) or on the vehicle body diagram display image GRC. It is provided as an image of the insertion part and the driver's license, and a display image GRW (license not inserted) consisting of text information is also displayed. In this embodiment, when the ON signal of the ignition switch IG is detected, the presence or absence of a driver's license is displayed.

In this way, the warning display W6 for possession of a driver's license includes the image of the vehicle body diagram display GRC (handle that is a part of the vehicle body) and the image of (license insertion part), as well as the display image GRW ("license") consisting of text information. By adding "not inserted"), it is possible to instantly determine that the driver's license is not carried, and it is possible to suspend driving, which has the effect of contributing to safe driving.

Although not shown, as another example of the warning display image GR2, by configuring so that "alcohol intake presence / absence display W7" is displayed when the ON signal of the ignition switch IG is detected, for example, the vehicle It is instantly determined by displaying on the warning display image GR2 of the display panel P whether or not the driver is ingesting alcohol when he / she is seated in the driver's seat through a sensor such as breath detection. This makes it possible to immediately understand that the vehicle is inappropriate for driving, which has the effect of contributing to safe driving because the driving can be stopped.

FIG. 5 shows the display image GR of the display panel P when the vehicle is reversing. In this case, in addition to the vehicle body diagram display image GRC, the rear confirmation display image GRR is set and is adjacent to the vehicle body diagram display image GRC. A rear confirmation vehicle information DR that confirms the rear of the vehicle is provided, and as this rear confirmation vehicle information DR, a display image DR1 that informs an approaching object is arranged adjacent to the vehicle body diagram display image GRC, and the vehicle body. The text information display image DR2 ("Caution on the left side behind !!") that informs the approaching state of the vehicle and the approaching object is also provided.

In this way, in various vehicle information, the rear confirmation display image GRR for confirming the rear of the vehicle and the vehicle body diagram display image GRC are displayed side by side, and the rear confirmation vehicle for confirming the rear of the vehicle is displayed as one of the vehicle information. By displaying the information DR adjacent to the vehicle body diagram display image GRC, it is possible to retreat to a predetermined place while checking the safety. At this time, it may be provided so as to prompt the rear confirmation by the voice information including the speaker or the like at the same time as the rear confirmation vehicle information DR.

In FIG. 6, in addition to the vehicle information display image GRD and the vehicle body diagram display image GRC, the navigation information display image GRN is provided on the display panel P, and information arbitrarily selected from normal navigation information and vehicle information requested by the user. For example, by providing information such as the direction of the destination in addition to the distance to the destination so that the information can be switched and displayed, the information of the display item arbitrarily selected by the driver (user) is emphasized and the image is displayed. It can be displayed, and a novel effect can be achieved.

Further, the present invention is not limited to the above-described embodiment. The embodiments and drawings can be changed as appropriate without changing the gist of the present invention. For example, in a vehicle display device, the warning display image GR2 is displayed by switching the vehicle body diagram display image GRC to an image according to the type and content of the warning, and a warning is displayed or combined with figures, characters, numerical values, voices, etc. By displaying the warning, it is possible to obtain a sense of dynamism while improving the visibility by the graphic vehicle body diagram, and it is possible to emphasize the display items for which the warning is displayed and to display the warning by characters, numerical values, voice, etc. The display makes it possible to make an immediate determination.

The information requested by the user is not limited to the above-described embodiment, but includes various display items such as "display of outside air temperature", "display of idling time", and "mileage and average fuel consumption for each operation of the ignition switch". Further, for example, when the display image GR of vehicle information is emphasized and displayed, it is possible to provide an easy-to-see display image GR by arbitrarily changing the size, arrangement, or hue of the displayed image.

If you want to see various vehicle information, you can read various vehicle information in detail by selecting the standard mode display image GR1 as the information requested by the user, and it is necessary to meet the safety standards, for example. When it is desired to see the minimum display information, it is possible to switch to the display of the display image in the simple mode according to the instruction of the switching means 201, and the necessary information can be read immediately.

Further, as described in detail in the above-described embodiment, the vehicle display device in an automobile has been described as an example, but the display is not limited to an automobile, but a vehicle such as a motorcycle, an agricultural machine, a special vehicle such as a construction machine, and the like. It can also be applied to the device, and the same effect can be obtained.

1 Speedometer 2 tachometer 3 Odometer 4 Fuel gauge 5 Coolant temperature gauge 6 Gear position indicator 7 Direction indicator 100 image display device 200 Control means 201 Switching means 300 Vehicle information detection means DR rear confirmation vehicle information DR1 Display image that informs an approaching object DR2 character information display image GR display image GRC car body diagram display image GRD vehicle information display image Display image notifying when GRL license is not carried GRN navigation information display image GRR rear confirmation display image Display image consisting of GRW character information GR1 standard mode display image GR2 warning display image GR3 custom mode display image IG ignition switch P display panel S1, S2, S3, S4, S5, S6, Sn Sensor SW1, SW2, SW3, SW4, SWn sensor W1 seatbelt warning display Warning display indicating the status of the W2 side brake W3 fuel level warning display W4 battery voltage drop display W5 Notification display that displays the upward direction of the headlights W6 Warning display for possession of driver's license W7 Alcohol intake indication