JP2014076688A - Vehicular display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicular display device to improve fuel economy.SOLUTION: A vehicular display device 19 includes an energy flow display processing part 13, a fuel economy calculation processing part 14, a fuel economy information display processing part 15 and an each component use state display processing part 16. The energy flow display processing part displays an energy flow screen indicating an energy flow between respective components serving as power sources of a vehicle, and displays each component displayed on the energy flow screen as a switch that can be operated by a user. The fuel economy calculation processing part calculates fuel economy associated with traveling of the vehicle. The fuel economy information display processing part displays fuel economy information about the calculated fuel economy and a use state of each component displayed on the energy flow screen in association with each other. When an operation for each component is performed, the each component use state display processing part displays a use state of the component for which the operation has been performed and use target function information indicating by what function energy of the component has been used.

Description

  The present invention relates to a vehicle display device.

  Some display devices mounted on a vehicle, for example, a hybrid vehicle that uses an engine and a motor as a drive source for driving wheels, display a screen called an energy flow screen (see, for example, Patent Document 1). The energy flow screen displays energy exchange (flow) between each component (battery, motor, engine, etc.) that is a power source of the vehicle.

JP 2001-10959 A

  The energy flow screen only shows the flow of energy as described above. Therefore, it is difficult for the user to expect an effect that fuel efficiency can be improved by looking at the energy flow screen. In other words, the current energy flow screen is something that the user simply sees and enjoys (a function that satisfies visual satisfaction), and there is insufficient information for the user to use it as a tool for improving fuel economy. .

  This invention is made | formed in view of the said situation, The objective is to provide the display apparatus for vehicles which can display the screen which a user can use as a tool for improving a fuel consumption.

  The vehicle display device according to claim 1 includes an energy flow display processing means, a fuel consumption calculation processing means, and a fuel consumption information display processing means. The energy flow display processing means displays an energy flow screen that represents the flow of energy between the components that are the power source of the vehicle. When the vehicle is a hybrid vehicle, the components that are the power source of the vehicle are, for example, a battery, a motor, and an engine. By displaying such an energy flow screen, the user can know the energy flow (exchange) between the components as in the conventional case.

  The fuel consumption calculation processing means calculates the fuel consumption associated with the traveling of the vehicle. Then, the fuel consumption information display processing unit displays the fuel consumption information related to the fuel consumption calculated by the fuel consumption calculation processing unit and the usage status of each component displayed on the energy flow screen. That is, the fuel consumption information display processing means not only displays the fuel consumption information but also displays the fuel consumption information in association with the usage status of each component such as the usage rate of the motor or engine. By displaying such a fuel consumption information screen, the user simply knows that the fuel consumption is improving (improving) or that the fuel consumption is decreasing (deteriorating). Not only can you find out: That is, it is possible to know how the usage statuses (usage rates) of the motor and the engine differ when the fuel efficiency is improved and when the fuel efficiency is reduced. Based on such information, the user can understand what kind of driving (response) should be performed in order to improve fuel efficiency. Thus, according to this means, it is possible to display a screen that can be used as a tool for the user to improve fuel efficiency.

  According to a second aspect of the present invention, there is provided a vehicular display device including each component usage status display processing means. Further, the energy flow display processing means uses each component displayed on the energy flow screen as a switch that can be operated by the user. Each component usage status display processing means, when an operation is performed on each component, indicates the usage status of the component for which the operation has been performed and the function to be used that indicates what function the energy of the component was used for Information and display.

  That is, each component usage status display processing means, for example, when an operation is performed on a switch corresponding to the engine, the usage status of the engine, and at that time, the energy of the engine is used for vehicle acceleration (wheel drive). Function information indicating whether it was used to drive a compressor of an air conditioner or used to charge a generator (alternator). By displaying such use target function information, for example, the user may have reduced fuel efficiency because of a problem in driving technology, or a part other than driving (use status of electrical components such as an air conditioner). ) And so on. As a result, the user can improve driving performance by reducing the frequency of sudden acceleration, for example, or fuel consumption can be improved by suppressing the use of certain electrical components such as air conditioners. Can understand. Thus, according to this means, it is possible to display a more useful screen as a tool for the user to improve fuel consumption.

The functional block diagram of the navigation apparatus for vehicles which shows one Embodiment of this invention Figure showing an example of the menu screen Diagram showing an example of energy flow screen The figure which shows an example of a fuel consumption information screen The figure which shows the example which distinguishes and displays the area judged that the fuel consumption was falling Figure showing an example of the engine usage screen Figure showing an example of the motor usage status screen Figure showing an example of the battery usage screen The figure which shows an example of the advice which is superimposed and displayed on each part use situation screen Flow chart showing contents of display processing of initial screen and menu screen Flow chart showing the contents of energy flow screen display processing Flow chart showing contents of display processing of fuel consumption information screen Flow chart showing the contents of the engine usage status screen display process Flow chart showing the contents of motor usage status screen display processing Flowchart showing contents of battery usage status screen display processing Flow chart showing contents of fuel consumption calculation process and fuel consumption information screen generation process Flow chart showing the contents of the generation process of each component usage status screen Flow chart showing the content of advice display processing Flow chart showing the contents of advice generation processing

Embodiments in which the present invention is applied to a vehicle navigation apparatus will be described below with reference to the drawings.
As shown in FIG. 1, the vehicle navigation apparatus 1 includes a control unit 2, a navigation function unit 3, a timekeeping unit 4, a vehicle information detection unit 5, a display unit 6, an operation switch unit 7, a storage unit 8, and the like. . The vehicle navigation device 1 is mounted on a vehicle, for example, a hybrid vehicle using an engine and a motor as a drive source for driving wheels.

  The control unit 2 is configured mainly with a microcomputer having a CPU, a ROM, and a RAM (not shown), and controls the overall operation of the vehicle navigation apparatus 1. In addition, the control unit 2 executes a control program stored in advance, whereby an initial screen display processing unit 11, a menu screen display processing unit 12, an energy flow display processing unit 13, a fuel consumption calculation processing unit 14, a fuel consumption information display process. Functions of the unit 15, the component usage status display processing unit 16, the first advice generation processing unit 17, and the second advice generation processing unit 18 are virtually realized by software. In the present embodiment, the vehicle display device 19 is configured by the processing units (11 to 18) and the display unit 6 that are virtually realized by the control unit 2.

  The navigation function unit 3 is set from a current position detection unit that identifies the current position of the vehicle based on radio waves received from a positioning satellite and input values from a gyro sensor and a speed sensor, and the identified current position (start point). A guide route search unit that searches for a guide route of a vehicle to a destination (goal point), a map data input unit that inputs map data stored in a map data storage unit, and the like. Based on the vehicle route guidance.

  The timer unit 4 has a function of acquiring information (time information) related to time such as date, time, and elapsed time. The timer unit 4 counts the number of clock pulses output from a transmitter (not shown), and generates a unit time signal indicating a unit time when the count value reaches a reference value. The timer unit 4 generates the terminal time of the control unit 2 based on the generated unit time signal.

  The vehicle information detection unit 5 inputs various types of information provided from ECUs provided corresponding to various types of devices, various types of sensors, various types of switches, and the like to the control unit 2 as vehicle information. The various devices are, for example, an engine control device, a brake control device, a motor control device, a transmission control device, a meter control device, an ECO operation control device, an in-vehicle camera device, a vehicle air conditioner device, etc. (Not shown). Moreover, various sensors are an acceleration sensor, a speed sensor, an accelerator sensor, a seating sensor, etc. (all are not shown), for example. The various switches include, for example, an accessory switch, an ignition switch, a door switch, a door lock switch, and the like (all not shown).

  The various information includes, for example, engine speed, vehicle speed, fuel injection amount, ECO mode information, regeneration amount update flag, regeneration flag, fuel consumption unit, graph scale, cruising range data, cruising range unit, The average vehicle speed data after starting, the average vehicle speed unit after starting, the travel distance data after starting, the instantaneous fuel consumption data, the motor torque information, and the like.

  The display unit 6 includes a color display such as a liquid crystal display or an organic EL display disposed near the driver's seat of the vehicle. A map around the position of the vehicle is displayed on the display unit 6 at various scales, and an own vehicle position mark indicating the current position and the traveling direction of the vehicle is superimposed on the display (see FIG. 5). . The display unit 6 displays a route guidance screen when the route guidance to the destination is executed, and the user inputs information necessary for searching for the destination or searches and sets the destination. An input screen for the user and various messages are also displayed. The display unit 6 also displays a screen for explaining various operations, various setting screens, an energy flow screen (described later), a fuel consumption information display screen (described later), and the like.

  The operation switch unit 7 includes various switch groups such as a mechanical switch (escussion switch) provided near the screen of the display unit 6 and a touch panel switch (touch switch) provided on the screen of the display unit 6. Yes. The mechanical switch includes a menu switch for instructing display of a menu screen described later. The user can perform various operations using the switches of the operation switch unit 7. The storage unit 8 is composed of a storage medium such as a hard disk drive, for example, and stores various types of information.

  The initial screen display processing unit 11 performs processing for displaying an initial screen (not shown) on the display unit 6. The menu screen display processing unit 12 performs processing for displaying the menu screen on the display unit 6. As shown in FIG. 2, an energy switch 21, an A / C switch 22, a phone switch 23, and an audio switch 24 are displayed on the menu screen W1. Each of the switches 21 to 24 is configured as a touch switch that can be touched by the user.

  The energy flow display processing unit 13 (corresponding to the energy flow display processing unit) performs processing for displaying the energy flow screen on the display unit 6. As shown in FIG. 3, the energy flow screen W <b> 2 represents the flow of energy between the motor, battery, and engine, which are each component that is a power source of the vehicle. The energy flow screen W2 includes an engine display area 25 having a shape schematically representing a motor, a battery, and an engine, a motor display area 26 having a shape schematically representing a motor, and a battery display having a shape schematically representing a battery. A region 27, a wheel display region 28 having a shape schematically representing a wheel, and arrows 29 to 32 that connect them are displayed.

  The engine display area 25, the motor display area 26, and the battery display area 27 are all touch switches that can be touched by the user. In addition, arrows 29 to 32 indicating the flow (movement) of energy are displayed in an animation so that the amount of energy and the flowing direction can be understood. In the following description, the engine display area 25 is also called an engine switch 25, the motor display area 26 is also called a motor switch 26, and the battery display area 27 is also called a battery switch 27.

  An arrow 29 provided between the engine display area 25 and the wheel display area 28 represents that the wheel is driven by the engine. Therefore, the arrow 29 is not displayed (not displayed) when the wheels are driven only by the motor (during EV travel). An arrow 30 provided between the motor display area 26 and the wheel display area 28 represents that the wheel is driven by the motor. Therefore, the arrow 30 is not displayed (not displayed) when the wheel is driven only by the engine (during gasoline travel). An arrow 31 provided between the engine display area 25 and the motor display area 26 and an arrow 32 provided between the motor display area 26 and the battery display area 27 indicate that a motor (in this case, This indicates that the battery is being charged by the electric power generated by turning the generator. Therefore, the arrows 31 and 32 are not displayed (not displayed) during EV traveling.

  In the lower left part of the energy flow screen W2, a fuel consumption switch 33 for changing to a fuel efficiency information screen described later is displayed. In the upper right part of the energy flow screen W2, a return switch 34 for changing (returning) to the menu screen W1 is displayed. The fuel consumption switch 33 and the return switch 34 are both touch switches that can be operated by the user.

  The fuel consumption calculation processing unit 14 (corresponding to the fuel consumption calculation processing means) performs processing for calculating the actual fuel consumption associated with the traveling of the vehicle based on various vehicle information input from the vehicle information detection unit 5. In addition, the fuel consumption in this embodiment is shown by the travel distance (km / L) per unit fuel amount, and the larger the value, the better the fuel consumption.

  The fuel consumption information display processing unit 15 (corresponding to the fuel consumption information display processing unit) displays the fuel consumption information related to the fuel consumption calculated by the fuel consumption calculation processing unit 14 and the usage status of each component displayed on the energy flow screen in association with each other. Display the screen. As shown in FIG. 4, the fuel consumption information screen W3 displays unit period fuel consumption (fuel consumption per minute) that represents the fuel consumption for each predetermined unit period (for example, 1 minute) as a bar graph. In this embodiment, four bar graphs, that is, fuel consumption per minute for four unit periods are displayed. In each bar graph, the left one shows the new fuel consumption per minute, and the right one shows the old fuel consumption per minute. As for such fuel consumption per minute, a bar graph representing the latest fuel consumption per minute is inserted at the left end every 1 minute. Along with this, the old ones are shifted to the right, and the bar graph arranged at the right end is deleted from this screen. In addition, each bar graph is displayed below.

  Of each bar graph, the one representing the fuel consumption per minute whose fuel consumption is equal to or lower than a predetermined specified value (second bar graph from the left in FIG. 4) is displayed differently from the other bar graphs. In the present embodiment, the bar graph representing the fuel consumption per minute whose fuel consumption is equal to or less than a specified value is displayed in a color (for example, red) different from other bar graphs. Note that the different display is not limited to the color change, and various methods such as blinking display and highlighting display can be used.

  On the lower side of each bar graph representing fuel consumption per minute, numbers 1 to 4 are displayed in order from the left. These numbers 1 to 4 are usage status switches 35 to 38 that are touch switches that can be operated by the user. When any of the usage status switches 35 to 38 is touch-operated, the usage status of each component in a period corresponding to the operated switch is displayed in a pop-up manner.

  As shown in FIG. 4, when the usage status switch 37 (the switch with the numeral “3” displayed) is touched, the usage status of each component in the period two prior to the latest period is displayed in a pop-up manner. . In the present embodiment, the usage rate (%) of the motor, engine and battery is displayed as the usage status of each component. A return switch 39 that is a touch switch that can be operated by the user is displayed in the upper right part of the pop-up display. The pop-up display is erased when the return switch 39 is operated. In the upper right part of the fuel consumption information screen, a return switch 40 for changing (returning) to the energy flow screen is displayed. The return switch 40 is a touch switch that can be operated by the user.

  The fuel consumption information display processing unit 15 changes the display of the road map as follows when it is determined that the fuel consumption is reduced. That is, when a road map is displayed on the display unit 6, a section that has traveled during a period in which the difference has exceeded the threshold is displayed so as to be distinguishable from other sections (see FIG. 5). Note that various display methods such as coloring and emphasis can be adopted as the display that can be distinguished. In the present embodiment, the fuel consumption information display processing unit 15 determines that the fuel consumption is reduced when the difference between the engine usage rate and the motor usage rate (engine usage rate−motor usage rate) exceeds a predetermined threshold. to decide. In addition, as a method for determining a decrease in fuel consumption, various methods such as a method for determining that the fuel consumption has decreased when the value of fuel consumption per minute is equal to or less than a predetermined value can be employed.

  Each component usage status display processing unit 16 (corresponding to each component usage status display processing unit) is based on various vehicle information input from the vehicle information detection unit 5, and displays an engine usage status screen indicating engine usage status, etc. A motor usage status screen indicating the usage status of the motor and a battery usage status screen indicating the usage status of the battery are generated and displayed. In the following description, the engine usage status screen, the motor usage status screen, and the battery usage status screen are also referred to as each component usage status screen.

  As shown in FIG. 6, on the engine usage status screen W4, the engine driving rate (corresponding to the usage status of parts) for each predetermined unit period (for example, 1 minute) is displayed as a bar graph. In this case, the engine drive rate is a percentage (percentage) display of the ratio (= Te / Ts) of the period Te in which the engine is operating in the unit period Ts. In the present embodiment, four bar graphs, that is, engine drive rates for four unit periods are displayed. In each bar graph, the left one indicates the new engine driving rate, and the right one indicates the old engine driving rate. For such an engine drive rate, a bar graph representing the latest engine drive rate is inserted at the left end every 1 minute. Along with this, the old ones are shifted to the right, and the bar graph arranged at the right end is deleted from this screen. In addition, each bar graph is displayed below.

  The engine usage status screen W4 also displays function information to be used that indicates what function (acceleration, air conditioner, audio, light, communication with external equipment, navigation, etc.) the engine energy is used for. . “Acceleration” refers to acceleration of the vehicle. “Air conditioner” means driving of a compressor for an air conditioner. “Audio” means driving of a generator (motor) for supplying power to audio. “Light” refers to driving of a generator for supplying power to the light. “Communication with an external device” refers to driving of a generator for supplying power to a communication device that performs communication with an external device. The external device is a device different from a device previously mounted on the vehicle such as a mobile phone. “Navigation” refers to driving a generator for supplying power to the navigation function unit 3.

  The target function information is displayed as a bar graph. The usage target function information corresponds to information obtained by dividing the period during which the target function is operating by the energy from the engine in the target unit period by the period during which the engine was operating during the same unit period. That is, for example, when the target function is “air conditioner”, the target function information indicates that the air conditioner (compressor) is driven by energy from the engine during the unit period during which the engine was operating. It is a percentage display of the value divided by the period.

  In the example of the engine usage status screen W4 shown in FIG. 6, the energy of the engine is used for “air conditioner” and “acceleration” in the period immediately before the latest period, and in the period two years before the latest period, “ It is used for “audio” and “acceleration”. In the upper right part of the engine usage status screen, a return switch 41 for changing (returning) to the energy flow screen is displayed. The return switch 41 is a touch switch that can be operated by the user.

  As shown in FIG. 7, on the motor usage status screen W5, the motor drive rate (corresponding to the usage status of components) for each predetermined unit period (for example, 1 minute) is displayed as a bar graph. In this case, the motor drive rate is a percentage display of the ratio (= Tm / Ts) occupied by the period Tm during which the motor is operating in the unit period Ts. Since the graph display of the motor drive rate is the same as the graph display of the engine drive rate on the engine usage status screen W4, description thereof is omitted.

  In addition, similar to the engine usage status screen W4, the motor usage status screen W5 also displays usage target function information indicating what function the motor energy was used for. The use target function information on the motor use status screen W5 is the same as the use target function information on the engine use status screen W4 described above, and thus the description thereof is omitted (“engine” is replaced by “motor” in the corresponding description section). To replace). Also in the upper right part of the motor usage status screen W5, a return switch 42 similar to the engine usage status screen W4 is displayed.

  As shown in FIG. 8, on the battery usage status screen W6, the battery usage rate (corresponding to the usage status of components) for each predetermined unit period (for example, 1 minute) is displayed as a bar graph. In this case, the battery usage rate is a percentage display of the ratio (= Tb / Ts) occupied by the period Tb during which the battery is used in the unit period Ts. Since the graph display of the battery usage rate is the same as the graph display of the engine drive rate on the engine usage status screen W4, description thereof is omitted.

  Further, the battery usage status screen W6 also displays usage target function information indicating what function the battery energy is used in, as in the engine usage status screen W4. Since the usage target function information on the battery usage status screen W6 is the same as the usage target function information on the engine usage status screen W4 described above, the description thereof will be omitted ("engine" is replaced with "battery" in the corresponding description section). To replace). A return switch 43 similar to the engine usage status screen W4 is also displayed in the upper right portion of the battery usage status screen W6.

  The first advice generation processing unit 17 (corresponding to the first advice generation processing means) generates driving advice based on the fuel consumption information and the usage status of each component. The fuel consumption information display processing unit 15 displays the advice generated by the first advice generation processing unit 17 in a superimposed manner on the fuel consumption information screen W3. The advice generated by the first advice generation processing unit 17 is preferably a sentence that explains the relationship between the fuel consumption information and the usage status of each component. For example, as shown in FIG. 4, it is preferable to generate and display an advice such as “the engine usage rate is increasing and the fuel economy is decreasing”.

  The second advice generation processing unit 18 (corresponding to the second advice generation processing means) generates advice related to driving based on the usage status of each component and the usage target function information. Each component usage status display processing unit 16 superimposes the advice generated by the second advice generation processing unit 18 on the engine usage status screen W4, the motor usage status screen W5, and the battery usage status screen W6. The advice generated by the second advice generation processing unit 18 includes contents such as “the engine drive rate has decreased and the ECO operation tends to be performed” (see FIG. 6), “the motor drive rate has increased, There are contents such as “I tend to be able to operate ECO” (see FIG. 7), contents such as “the battery is being used stably” (see FIG. 8), and the like.

  As the advice generated by the second advice generation processing unit 18, the advice shown in FIG. 9 is also conceivable. On the advice screen shown in FIG. 9A, the content indicating that the usage rate of the air conditioner is high is displayed. In addition, an optimization switch 44 configured as a touch switch that can be operated by the user is displayed on the advice screen illustrated in FIG. In this case, when the optimization switch 44 is operated, processing for reducing the usage rate of the air conditioner (processing such as changing the set temperature of the air conditioner) is performed.

  The advice screen shown in FIG. 9B displays the content indicating that the light usage rate is high. In addition, an optimization switch 45 configured as a touch switch that can be operated by the user is displayed on the advice screen illustrated in FIG. In this case, when the optimization switch 45 is operated, processing for reducing the usage rate of the light (processing such as turning off unnecessary lights in the room) is performed.

  On the advice screen shown in FIG. 9C, the content indicating the point that the frequency of rapid acceleration is high is displayed. In addition, an eco-automatic operation switch 46 configured as a touch switch that can be operated by the user is displayed on the advice screen illustrated in FIG. In this case, when the eco-automatic operation switch 46 is operated, processing for switching to eco-automatic operation is performed.

  On the advice screen shown in FIG. 9D, the content indicating that the audio usage rate is high is displayed. In addition, an optimization switch 47 configured as a touch switch that can be operated by the user is displayed on the advice screen illustrated in FIG. In this case, when the optimization switch 47 is operated, processing for reducing the audio usage rate (processing such as lowering the volume) is performed.

  The advice screen shown in FIG. 9 (e) displays contents indicating that the usage rate of communication with external devices is high. In addition, an optimization switch 48 configured as a touch switch that can be operated by the user is displayed on the advice screen illustrated in FIG. In this case, when the optimization switch 48 is operated, processing for reducing the usage rate of communication with external devices (processing such as disconnecting communication with some external devices) is performed.

  On the advice screen shown in FIG. 9 (f), the content indicating that the navigation usage rate is high is displayed. In addition, an optimization switch 49 configured as a touch switch that can be operated by the user is displayed on the advice screen illustrated in FIG. In this case, when the optimization switch 49 is operated, processing for reducing the usage rate of navigation (processing such as stopping video display) is performed.

Next, the contents of each process performed by the vehicle display device 19 having the above-described configuration will be described with reference to the flowcharts of FIGS.
“1” Display Process of Initial Screen and Menu Screen When the ignition switch of the vehicle is turned on, the process shown in FIG. 10 is started. In step A1, processing for displaying a predetermined initial screen is executed. In step A2, processing for displaying a map screen is executed. Thereafter, the state where the map screen is displayed is maintained until the menu switch of the escutcheon switch (E-SW) is operated (during “NO” in step A3). When the menu switch is operated (“YES” in step A3), the process proceeds to step A4. In step A4, processing for displaying the menu screen W1 (see FIG. 2) is executed.

  Thereafter, the menu screen remains displayed until the energy switch 21, the A / C switch 22, the phone switch 23, or the audio switch 24 is operated (between “NO” in steps A5 to A8). At this time, when the energy switch 21 is operated (“YES” in step A5), the process proceeds to step A9. Step A9 is a process (energy display process) for displaying the energy flow screen W2, and details thereof will be described later. When the A / C switch 22 is operated (“YES” in step A6), the process proceeds to step A10. Step A10 is a process (A / C related display process) for displaying a screen (for example, a set temperature, a blowing direction, etc.) relating to the air conditioner.

  When the Phone switch 23 is operated (“YES” in step A7), the process proceeds to step A11. Step A11 is a process (Phone related display process) for displaying a screen of contents related to a telephone (for example, an incoming history, outgoing call history, telephone directory, etc.). When the audio switch 24 is operated (“YES” in step A8), the process proceeds to step A12. Step A12 is a process (Audio related display process) for displaying a screen of contents related to audio (for example, a radio channel, a volume setting, etc.).

“2” Energy Flow Screen Display Processing The energy flow display processing in step A9 is as shown in FIG. That is, in step B1, a process for displaying the energy flow screen W2 (see FIG. 3) is executed. Thereafter, the energy flow screen W2 is displayed until the fuel consumption switch 33, the engine switch 25, the motor switch 26, the battery switch 27, or the return switch 34 is operated (between “NO” in all of steps B2 to B6). Maintained. At this time, if the fuel consumption switch 33 is operated (“YES” in step B2), the process proceeds to step B7. Step B7 is a process (fuel efficiency information screen display process) for displaying the fuel efficiency information screen W3, and details thereof will be described later. When the engine switch 25 is operated (“YES” in step B3), the process proceeds to step B8. Step B8 is a process for displaying the engine usage status screen W4 (engine usage status screen display processing), and details thereof will be described later.

  When the motor switch 26 is operated (“YES” in step B4), the process proceeds to step B9. Step B9 is a process for displaying the motor usage status screen W5 (motor usage status screen display processing), and details thereof will be described later. When the battery switch 27 is operated (“YES” in step B5), the process proceeds to step B10. Step B10 is a process for displaying the battery usage status screen W6 (battery usage status screen display processing), and details thereof will be described later. When the return switch 34 is operated (“YES” in step B6), the energy flow display process is terminated (return), and the process returns to step A4 in FIG.

"3" Display processing of fuel consumption information screen The fuel consumption information screen display processing of step B7 is as shown in FIG. That is, in step C1, a process for displaying the fuel efficiency information screen W3 (see FIG. 4) is executed. Thereafter, the state where only the fuel consumption information screen W3 is displayed is maintained until the use state switches 35 to 38 or the return switch 40 is operated (between “NO” in steps C2 and C3). At this time, if any one of the usage status switches 35 to 38 is operated (“YES” in step C2), the process proceeds to step C4.

  In step C4, a process of pop-up displaying the usage status of each component in the period corresponding to the operated switch is executed. Thereafter, the pop-up display state is maintained until the return switch 39 is operated (during “NO” in step C5). When the return switch 39 is operated (“YES” in step C5), the process proceeds to step C6. In step C6, a process for deleting the pop-up display is executed. After execution of step C6, the process returns to step C2. When the return switch 40 is operated (“YES” in step C3), the fuel consumption information screen display process is terminated (return), and the process returns to step B1 in FIG.

“4” Engine Usage Status Screen Display Processing The engine usage status screen display processing in step B8 is as shown in FIG. That is, in step D1, a process for displaying the engine usage status screen W4 (see FIG. 6) is executed. At this time, both the display of a graph as shown in FIG. 6 and the display of advice relating to driving as shown in FIG. 9 are performed. Thereafter, until the return switch 41 is operated (during “NO” in step D2), the state where the engine usage status screen W4 is displayed is maintained. At this time, when the return switch 41 is operated (“YES” in step D2), the engine usage screen display process is terminated (return), and the process returns to step B1 in FIG.

“5” Motor Usage Status Screen Display Processing The motor usage status screen display processing in step B9 is as shown in FIG. That is, in step E1, processing for displaying the motor usage status screen W5 (see FIG. 7) is executed. At this time, both the display of a graph as shown in FIG. 7 and the display of advice relating to driving as shown in FIG. 9 are performed. Thereafter, until the return switch 42 is operated (during “NO” in step E2), the state where the motor usage status screen W5 is displayed is maintained. At this time, when the return switch 42 is operated (“YES” in step E2), the motor usage status screen display process is terminated (return), and the process returns to step B1 in FIG.

“6” Battery Usage Status Screen Display Processing The battery usage status screen display processing in step B10 is as shown in FIG. That is, in step F1, a process of displaying the battery usage status screen W6 (see FIG. 8) is executed. At this time, both the display of the graph shown in FIG. 8 and the display of the advice relating to driving as shown in FIG. 9 are performed. After that, until the return switch 43 is operated (during “NO” in Step F2), the state where the battery usage status screen W6 is displayed is maintained. At this time, when the return switch 43 is operated (“YES” in step F2), the battery usage status screen display process is terminated (return), and the process returns to step B1 in FIG.

“7” Fuel Economy Calculation Process and Fuel Economy Information Screen Generation Process The process shown in FIG. 16 is a process executed between when the vehicle ignition switch is turned on and when it is turned off. In step G1, information on the meter (fuel consumption unit, scale of graph, cruising range data, cruising range unit, average vehicle speed data after start, average after start among various types of vehicle information input from vehicle information detector 5 Vehicle speed unit, mileage data after starting, instantaneous fuel consumption data, etc.) are acquired and their contents are confirmed. In the subsequent step G2, it is determined whether or not the unit time (1 minute) has elapsed, that is, whether or not the information for the unit time has been acquired. When the information about the meter for the unit time is acquired (“YES” in step G2), the process proceeds to step G3.

  In step G3, a process of generating (updating) fuel consumption data for 1 minute (fuel consumption data per minute) is executed. In the subsequent step G4, the bar graph on the fuel consumption information screen W3 is updated. Specifically, the bar graph based on the latest fuel consumption data generated in step G3 is inserted at the left end, and accordingly, the bar graph based on the old fuel consumption data is shifted to the right. After execution of step G4, the process returns to step G1.

“8” Generation Processing of Each Component Usage Status Screen The processing shown in FIG. 17 is processing for generating (updating) the engine usage status screen W4, the motor usage status screen W5, and the battery usage status screen W6. The process shown in FIG. 17 is a process executed after the ignition switch of the vehicle is turned on until it is turned off. In step H1, information regarding each component (engine, motor, battery) is acquired from various types of vehicle information input from the vehicle information detection unit 5, and the contents thereof are confirmed. In subsequent Step H2, it is determined whether the acquired data can be used as it is or needs to be calculated.

  If the acquired data can be used as it is (“NO” in step H2), the process proceeds to step H4 without executing step H3. On the other hand, if the acquired data is data that requires calculation (“YES” in step H2), the process proceeds to step H3. In Step H3, an operation for obtaining data necessary for generating each component usage status screen (see FIGS. 6 to 8) is performed from the acquired data. In step H4, each component usage status screen (see FIGS. 6 to 8) is generated (updated) based on the acquired data or the data obtained by the calculation in step H3. After execution of step H4, the process returns to step H1.

“9” Advice Display Processing The processing shown in FIG. 18 generates or updates an advice screen superimposed on the fuel consumption information screen W3 (see FIG. 4) or the component usage status screens W4 to W6 (see FIGS. 6 to 8). It is processing to do. The process shown in FIG. 18 is a process that is executed after the ignition switch of the vehicle is turned on until it is turned off. When this process is started, the system enters a standby state until the unit time (1 minute) elapses (“NO” in step I1). When one minute has passed (“YES” in step I1), the process proceeds to step I2.

  Step I2 is a process (advice generation process) for generating data relating to advice to be displayed, and details thereof will be described later. In the subsequent step I3, processing for generating or updating an advice screen superimposed on the fuel consumption information screen W3 or the component usage status screens W4 to W6 is executed based on the advice data generated in step I2. After execution of step I3, the process returns to step I1.

“10” Advice Generation Processing The advice generation processing in step I2 has the contents shown in FIG. That is, in step J1, information regarding each component (engine, motor, battery) is acquired from various vehicle information input from the vehicle information detection unit 5, and the usage status (usage rate) of each component is acquired based on the information. ) Is required.

  In step J2, an optimum advice ID is specified from the various advices stored in the storage unit 8 for the usage status of each component obtained in step J1. In the subsequent step J3, processing for generating display data for displaying the advice of the ID specified in step J2 is executed. After execution of step J3, this process is terminated (return), and the process proceeds to step I3 in FIG.

  As described above, according to the present embodiment, the energy flow display processing unit 13 displays the energy flow screen W2 that represents the flow of energy among the engine, the motor, and the battery that are the power source of the vehicle. By displaying the energy flow screen W2, the user can know the flow of energy between the components as in the conventional case. Then, the fuel consumption information display processing unit 15 displays a fuel consumption information screen W3 representing the fuel consumption per minute based on the fuel consumption calculated by the fuel consumption calculation processing unit 14 as a bar graph. In addition, when the usage state switches 35 to 38 provided at the bottom of each bar graph are operated on the fuel consumption information screen W3, the fuel consumption information display processing unit 15 displays the information of each component in the period corresponding to the operated switch. Pop up usage information.

  That is, the fuel consumption information display processing unit 15 not only displays the fuel consumption information but also displays the fuel consumption information in association with the usage status of each component such as the usage rate of the motor or engine. By displaying such a fuel consumption information screen W3, the user simply means that the fuel consumption has been improved (improved) or that the fuel consumption has been decreased (deteriorated). In addition to knowing, you can learn the following: That is, it is possible to know how the usage statuses (usage rates) of the motor and the engine differ when the fuel efficiency is improved and when the fuel efficiency is reduced. Based on such information, the user can understand what kind of driving (response) should be performed in order to improve fuel efficiency. Thus, according to the present embodiment, it is possible to display a screen that can be used as a tool for the user to improve fuel efficiency.

  In addition, the fuel consumption information display processing unit 15 displays different bar graphs representing fuel consumption per minute whose fuel consumption is equal to or less than a predetermined specified value from among the bar graphs representing fuel consumption per minute. Further, the fuel consumption information display processing unit 15 displays a road map on the display unit 6 when the difference between the engine usage rate and the motor usage rate exceeds a predetermined threshold value (when it is determined that the fuel consumption is reduced). In this case, a section in which the difference has exceeded the threshold is displayed so that it can be distinguished from other sections. In this way, the user can easily know the period during which the fuel efficiency has been reduced from the fuel efficiency information screen W3 or the road map screen.

  The energy flow display processing unit 13 sets each component displayed on the energy flow screen W2 as a switch that can be operated by the user. When each component usage status display processing unit 16 performs an operation on each component, each component usage status (engine drive rate, motor drive rate, battery usage rate) is displayed as a bar graph. The usage status screen (W4 to W6) is displayed. Also, each component usage status display processing unit 16 uses what function (acceleration, air conditioner, audio, light, communication with external equipment, navigation, etc.) to use the energy of the component on each component usage status screen. Is also displayed.

  That is, for example, when an operation is performed on the engine switch 25 on the energy flow screen W2, each component usage status display processing unit 16 determines whether the engine drive rate and the engine energy at that time are vehicle acceleration (wheel drive). ), Used for driving the compressor of the air conditioner, or used for charging the generator (alternator), etc., and function information to be used are displayed. By displaying such use target function information, for example, the user may have reduced fuel efficiency because of a problem in driving technology, or a part other than driving (use status of electrical components such as an air conditioner). ) And so on. As a result, the user can improve driving performance by reducing the frequency of sudden acceleration, for example, or fuel consumption can be improved by suppressing the use of certain electrical components such as air conditioners. Can understand. Thus, according to the present embodiment, it is possible to display a screen that is more useful as a tool for the user to improve fuel efficiency.

  The 1st advice production | generation process part 17 produces | generates the advice regarding a driving | operation based on fuel consumption information and the usage condition of each component. Then, the fuel consumption information display processing unit 15 superimposes and displays the advice generated by the first advice generation processing unit 17 on the fuel consumption information screen W3. As described above, the driving advice is displayed on the fuel efficiency information screen W3, so that the user can more easily understand what kind of points should be improved to improve the fuel efficiency. Convenience improves as a tool.

  The second advice generation processing unit 18 generates advice related to driving based on the usage status of each component and the usage target function information. Each component usage status display processing unit 16 superimposes the advice generated by the second advice generation processing unit 18 on each component usage status screen (W4 to W6). Thus, by displaying the advice regarding driving on each component usage status screen (W4 to W6), it becomes easier for the user to understand what points should be improved to improve fuel efficiency. As a tool for improving fuel efficiency, convenience is improved.

(Other embodiments)
The present invention is not limited to the embodiments described above and illustrated in the drawings, and the following modifications or expansions are possible.
The vehicle display device 19 is not limited to a hybrid vehicle, and can be mounted on various vehicles such as an automobile using an internal combustion engine as a power source and an electric car using a motor as a power source. In that case, various screens such as energy flow screen, fuel consumption information screen (pop-up display of usage status), and usage status screen of each component can be changed as appropriate to suit each component that is the power source of the mounted vehicle. Good.

  Among the functions virtually realized by the control unit 2, the initial screen display processing unit 11, the menu screen display processing unit 12, the component usage status display processing unit 16, the first advice display processing unit 17, and the second advice display processing The functions as the unit 18 may be provided as necessary, such as product specifications, and can be omitted.

  The fuel consumption information screen displayed by the fuel consumption information display processing unit 15 is not limited to the example illustrated in FIG. 4, and can be appropriately changed as long as the display associates the fuel consumption information and the usage status of each component displayed on the energy flow screen. It is. For example, the bar graph display is changed to another graph display, the usage status of each part is displayed in a separate window, and the bar graph indicating the fuel consumption per minute when the fuel consumption is less than or equal to the specified value is also displayed in the same way as other bar graphs Etc. can be changed.

  Each component usage status screen displayed by each component usage status display processing unit 16 is not limited to the example shown in FIGS. 6 to 8, and may be changed as long as it displays the usage status of the component and the function information to be used. Is possible. For example, it is possible to change the bar graph display to another graph display. Further, the use target function information only needs to indicate what function the energy of each component is used for. Therefore, if the vehicle information detection unit 5 is configured to be able to input (detectable) information such as tire air pressure and baggage weight, each component usage status display processing unit 16 uses the information as a usage target. It may be displayed as function information.

  In the drawing, 13 is an energy flow display processing unit (energy flow display processing means), 14 is a fuel consumption calculation processing unit (fuel consumption calculation processing means), 15 is a fuel consumption information display processing unit (fuel consumption information display processing means), and 16 is each component. A usage status display processing unit (each component usage status display processing unit); 17 a first advice generation processing unit (first advice generation processing unit); 18 a second advice generation processing unit (second advice generation processing unit); Indicates a vehicle display device.

Claims (4)

Energy flow display processing means (13) for displaying an energy flow screen representing the flow of energy between the components that serve as the power source of the vehicle;
Fuel consumption calculation processing means (14) for calculating fuel consumption associated with travel of the vehicle;
Fuel consumption information display processing means (15) for displaying fuel consumption information relating to fuel consumption calculated by the fuel consumption calculation processing means (14) and the usage status of each component displayed on the energy flow screen in association with each other;
A vehicle display device characterized by comprising: The energy flow display processing means (13) displays each component displayed on the energy flow screen as a switch that can be operated by a user,
When an operation is performed on each component, each component usage status display that displays the usage status of the component for which the operation has been performed and the usage target function information that indicates what function the energy of the component is used for The vehicle display device according to claim 1, further comprising processing means (16). First advice generation processing means (17) for generating advice on driving based on the fuel consumption information and the usage status of each component,
The vehicle display device according to claim 1 or 2, wherein the fuel consumption information display processing means (15) further displays the advice generated by the first advice generation processing means (17). Based on the usage status of each component and the function information to be used, second advice generation processing means (18) for generating advice on driving,
4. The vehicle display device according to claim 2, wherein each of the component use status display processing means (16) further displays the advice generated by the second advice generation processing means (18). .

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