JP2014151880A - Vehicular display system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a safe and easy-to-use vehicular display system which enables information in an information communication terminal to be used by displaying the same in an easy-to-view manner through simple operation without affecting safety in driving.SOLUTION: A vehicular display system comprises: an arrangement section 19 to arrange an information communication terminal 45 inside a vehicle 1; charging means 14 to supply power to the information communication terminal 45; communication means 12 to perform interactive communication with the information communication terminal 45; display means 11 to display information which is input to and output from the information communication terminal 45; and operation means 17 and 18 installed on a steering 3. The operation means 17 and 18 is used for display and setting operation of the display means 11 and operation of the information communication terminal 45. Thus, the vehicular display system enables information in the information communication terminal 45 to be used by displaying the same on the display means 11 through simple operation. Also, the vehicular display system allows a driver to safely operate the display means 11 and the information communication terminal 45 without taking a hand off the steering 3.

Description

  The present invention relates to a vehicle display system that connects information communication terminals and displays information of the information communication terminals.

  2. Description of the Related Art Conventionally, there is known a technology in which a portable information communication terminal such as a mobile phone or a smartphone is connected to a vehicle device and information on the information communication terminal is displayed on a display provided in the vehicle.

  For example, in Patent Document 1, in a control device that uses a tablet type information terminal such as a smartphone connected to a vehicle as an operation device of an in-vehicle device, the content displayed on the display screen of the tablet information terminal Is displayed. As a result, the user can view the display contents of the application executed on the tablet information terminal on the center display on the vehicle side, and improve the convenience in combination with the operation of the in-vehicle device by the tablet information terminal. be able to.

JP2012-214155A (pages 15-17, FIG. 4)

  However, in the conventional method, in order to operate the information communication terminal, the user needs to touch the operation screen (touch panel) of the information terminal and the switches provided on the information terminal. Therefore, in order for the driver who drives the vehicle to perform the operation, it is necessary to release his hand from the steering wheel, which causes a problem that safe driving is hindered.

  In particular, when the information communication terminal is placed at a position away from the driver's field of view (for example, the center console), the position of operation buttons (icons) on the operation screen and the position of switches are visually recognized. This makes it difficult to operate the information communication terminal. In this case, if the driver shifts his / her line of sight toward the information communication terminal for the operation, it becomes difficult to visually recognize the front of the vehicle, which is not preferable for safety.

  In this way, when the driver operates the on-vehicle equipment during driving, it is necessary to release the hand from the steering wheel and move the line of sight from the front to the operation part, and safety is impaired. For example, a conventional navigation device or the like In this way, complicated operations cannot be performed while driving. For this reason, even if the information communication terminal is connected to the vehicle, it is necessary to limit the operation during traveling in order to ensure safety, and convenience is impaired.

  The present invention has been made in view of the above circumstances, and is safe and excellent in operability, which can easily display and use information of an information communication terminal with a simple operation without impairing driving safety. An object is to provide a display system for a vehicle.

  The display system for a vehicle according to the present invention includes an arrangement unit that is provided inside a vehicle and arranges an information communication terminal, a charging unit that supplies electric power from the vehicle to the information communication terminal arranged in the arrangement unit, and the arrangement Communication control means for bidirectionally communicating with the information communication terminal arranged in a section, and display means for displaying information of the information communication terminal arranged inside the vehicle and inputted / outputted via the communication control means And an operating means provided in a steering part of the vehicle, wherein the operating means is capable of displaying and setting the display means and operating the information communication terminal via the communication control means. Is possible.

  According to the vehicle display system of the present invention, by arranging the information communication terminal in the arrangement portion provided inside the vehicle, bidirectional communication is performed while power is supplied to the information communication terminal, and input / output is performed. Can be displayed on the display means arranged in the vehicle. In addition, an operation unit may be provided in the steering unit of the vehicle, and the display unit may perform display and setting operations and the information communication terminal may be operated by the operation unit. Therefore, the information of the information communication terminal can be displayed on the display means and used by a simple operation. Also, the display means and the information communication terminal can be operated safely without the driver taking his hands off the steering wheel.

  Further, by disposing the display means in front of the operation means, the driver can check the display contents without diverting the line of sight from the front of the vehicle. Thereby, the information communication terminal can be used without sacrificing safety.

  Furthermore, by detecting the situation of the vehicle or its surroundings and transmitting it to the information communication terminal, the transmitted data relating to the vehicle situation can be used for various applications by the information communication terminal. As a result, the information communication terminal can be used without hindering safe driving, for example, by an application that is automatically executed according to the traveling state of the vehicle, and convenience can be improved.

It is a schematic structure figure of a display system for vehicles concerning an embodiment of the present invention. It is explanatory drawing which shows the example of arrangement | positioning of a display means and an operation means same as the above. It is explanatory drawing which shows operation of an operation means and transition of the screen of a display means same as the above. It is explanatory drawing which shows operation of an operation means and transition of the screen of a display means same as the above.

  Hereinafter, a vehicle display system according to an embodiment of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a diagram showing a schematic configuration of a vehicle display system 10 according to an embodiment of the present invention.

  As shown in FIG. 1, the vehicle display system 10 includes an audio BOX 20, an arrangement unit 19, a multi-function display device 11, a display switch 17, and an audio switch 18.

  The audio BOX 20 connects an information communication terminal such as a smartphone 45 so that bidirectional communication is possible. Here, in addition to the smartphone 45, for example, a tablet information terminal 46, a portable music player 47, a flash memory 48, and other various communication devices and recording devices can be used as the information communication terminal.

  The audio BOX 20 includes a communication unit 12 as a communication control unit that performs bidirectional communication with a smartphone 45 or the like as an information communication terminal. The audio box 20 includes a power source 14 as a charging unit that supplies power from the in-vehicle battery 7 to the smartphone 45 and the like.

  The communication unit 12 and the power supply 14 are connected to a connector 13 having a predetermined shape such as a USB (Universal Serial Bus) standard, for example. A smartphone 45 is detachably connected to the connector 13 via a USB cable 31. Thereby, bidirectional communication between the communication unit 12 and the smartphone 45 and charging of the smartphone 45 by the power supply 14 can be performed only by simple insertion and removal without requiring complicated connection work. Similarly, when other information communication terminals 46 to 48 are connected, they can be connected to the connector 13 via dedicated cables 32 and 33, respectively.

  The audio BOX 20 includes a wireless communication unit 15 and an antenna 16 that perform bidirectional wireless communication according to, for example, the BLUETOOTH (registered trademark) standard. A hands-free microphone 27 for calling can be connected to the wireless communication unit 15 so that wireless communication is possible.

  In addition, when the smartphone 45 or the like has a wireless communication function of a standard corresponding to the wireless communication unit 15, the wireless communication unit 15 may be used as a communication unit for bidirectional communication with the smartphone 45 or the like. good.

 Further, instead of charging the power supply 14 and the smartphone 45 via the USB cable 31, a wireless charging method applying the principle of electromagnetic induction may be adopted. With the configuration in which bidirectional communication and charging are performed wirelessly, connection with the smartphone 15 can be performed more easily.

  The audio box 20 includes an FM / AM tuner 23, an auxiliary input unit 25, an auxiliary input terminal 26, an audio control unit 21, and a power amplifier 22. These function as an acoustic device for receiving radio broadcasts and playing music. Specifically, the FM / AM tuner 23 converts a radio broadcast received via the antenna 24 into an audio signal. The auxiliary input unit 25 converts a signal from an external device, and the auxiliary input terminal 26 is a terminal (for example, a stereo mini jack) that connects the external device. The audio control unit 21 performs acoustic control such as selection of a sound signal to be reproduced and volume control. The power amplifier 22 amplifies an audio signal, and the audio signal is output as audio through the vehicle speaker 34.

  In particular, since the audio box 20 according to the present embodiment can be connected to a smartphone 45 or the like, sound based on information from the smartphone 45 or the like can be reproduced in the vehicle interior through the vehicle speaker 34. Therefore, music recorded in the smartphone 45 can be reproduced, and in combination with the above-described hands-free microphone 27, a mobile phone call can be safely performed even during driving.

  The audio switch 18 is a switch for performing an audio-related operation, and is configured as a plurality of switch groups to which a predetermined function is assigned, and is connected to the audio box 20 so that a signal can be input. Specifically, the audio switch 18 can be used to turn on / off the audio function, select a radio station or music, adjust volume or sound quality, select an external device, and make various other settings.

  The placement unit 19 is a part where the smartphone 45 or the like is placed, and may be provided in the audio BOX 20 or may be provided in another place (a center console unit, a dashboard pocket, or the like) in the vehicle. The placement unit 19 includes a space for placing the smartphone 45 and the like, and a fixing means for fixing the smartphone 45 and the like. Various configurations are conceivable as the fixing means. Examples of the fixing means include a locking claw that elastically deforms and contacts the periphery of the smartphone 45 and the like, a recess formed in accordance with the outer shape of the smartphone 45 and the like, an arrangement surface that has been subjected to anti-slip processing, and the like.

  The multi-function display 11 displays the running state of the vehicle, the situation around the vehicle, the situation of the in-vehicle device, and the like, and further displays information such as the smartphone 45 input / output via the communication unit 12 of the audio box 20. Functions as a display means.

  The multi-function display 11 has a display screen made up of, for example, a liquid crystal panel, and further includes a display control unit 11a that executes predetermined calculation for display and drawing control. The multi-function display 11 is connected to the audio box 20 via the communication cable 30 so that bidirectional communication is possible. Thereby, information input from the smartphone 45 or the like is transmitted to the multi-function display 11 via the communication unit 12.

  The display switch 17 is an operation means for performing display and setting operations on the multi-function display 11, and is connected to the multi-function display 11 so that signals can be input. The display switch 17 also functions as an operation unit for operating the smartphone 45 or the like via the display control unit 11a of the multi-function display 11 and the communication unit 12 of the audio box 20.

  The multifunction display 11 is connected to a vehicle speed detector 41 and a camera 42 provided in the vehicle, other in-vehicle control devices and detectors, and the like so as to communicate with each other. This makes it possible to display information on the running state of the vehicle on the multi-function display 11 and transmit the information to the smartphone 45 via the communication unit 12 of the audio BOX 20.

  Next, the arrangement of the multi-function display 11, the display switch 17, the audio switch 18, and the like will be described with reference to FIG. FIG. 2 is an explanatory diagram showing an example of the arrangement of each device when the vehicle display system 10 is attached to the vehicle 1.

  As shown in FIG. 2, the multi-function display 11 is disposed in a recess 7 formed in the upper part of the dashboard 4 so that the display screen is exposed inside the passenger compartment 2 and is visible to the driver.

  In other words, in the present embodiment, the multi-function display 11 is disposed around the windshield 5. In this way, by disposing the multi-function display 11 around the windshield 5, the driver can visually recognize the display screen of the multi-function display 11 by slightly shifting the line of sight without greatly changing the orientation of the face. be able to. Therefore, it is possible to safely convey the information on the display screen to the driver who drives the vehicle 1 without obstructing attention to the front while driving.

  In addition, although the position which installs the multifunctional display 11 is not limited to the example of this embodiment, it is desirable that it is a position which is easy to see from a driver | operator. Specifically, the multifunction display 11 needs to be disposed in front of the driver, and is preferably disposed in front of the steering 3.

  Further, the position in the height direction in which the multi-function display 11 is arranged is preferably above the center axis of the steering 3 and more preferably above or above the dashboard 4. Further, the multi-function display 11 may be arranged inside or around the meter-cluster panel 6 where the speedometer and tachometer are arranged.

  Thus, by disposing the multifunction display 11 in front of the steering 3 and above the central axis of the steering 3, visibility from the driver can be enhanced.

  Note that a projection-type display (HUD: Head Up Display) may be adopted as the multi-function display 11, and information may be projected and displayed so as to form an image at infinity on the surface of the windshield 5. Accordingly, the movement of the driver's line of sight can be further reduced, and the displayed information can be visually recognized without the driver's vehicle correcting the focus. As a result, safety can be further improved.

  The display switch 17 is provided on the steering 3. Thus, the display operation and the operation of the smartphone 45 (see FIG. 1) can be performed safely without the operator taking his hand off the steering wheel 3. The positional relationship with the multifunction display 11 is such that the multifunction display 11 is disposed in front of and above the display switch 17.

  The display switch 17 includes a feed switch 17a, a return switch 17b, and a SET switch 17c. By adopting such a simple switch configuration, the driver can perform an operation without any error with only the fingertip without directly viewing the switch 17.

  Furthermore, the display switch 17 employs a configuration that is operated by pulling the switches 17a to 17c forward. Therefore, the driver can operate the switches 17a to 17c with other fingers (for example, only the index finger) while accurately holding the steering wheel 3 with the thumb and the palm. Thereby, operation can be performed without impairing safety.

  The audio switch 18 is provided on the steering 3. As a result, the driver can safely perform an audio-related operation without releasing his hand from the steering wheel 3.

  The audio BOX 20 is disposed approximately at the center inside the vehicle compartment 2 (the dashboard 4 portion). When the navigation system is mounted, the audio BOX 20 and the navigation system may be configured integrally, the display screen of the navigation system may be exposed in the passenger compartment 2, and the audio BOX 20 may be disposed in the back.

  Note that the audio box 20 may be arranged at other locations in the passenger compartment 2 because the driver rarely performs direct operations during driving.

  As described above, the placement unit 19 may be provided anywhere inside the vehicle 1. For example, the arrangement unit 19 may be provided in the audio box 20 arranged substantially at the center of the front surface in the passenger compartment 2. At that time, by arranging the display screen of the smartphone 45 or the like so as to be exposed inside the passenger compartment 2, the display screen of the smartphone 45 or the like can be used as a means for displaying information. That is, driving information of the vehicle 1, information on in-vehicle devices, navigation information, and the like can be displayed on the display screen of the smartphone 45 or the like.

  Further, for example, the arrangement unit 19 may be provided in a storage space such as a center console unit or a dashboard pocket so that the display screen of the smartphone 45 or the like is not exposed in the passenger compartment 2 at all. Even if it arrange | positions in this way, in this embodiment, information, such as the smart phone 45, can be displayed and confirmed on the multifunctional display 11, and operation of the smart phone 45 etc. can be performed with the display switch 17. FIG.

  Next, the operation of the display switch 17 and the audio switch 18 and the display on the multi-function display 11 (see FIG. 1) will be described with reference to FIGS.

  3 and 4 are explanatory diagrams showing the operation of the display switch 17 and the audio switch 18 and the transition of the display screen of the multi-function display 11. FIG. 3 shows the transition of the basic screens 50 and 60, and FIG. The transition of the smart phone cooperation screen 80 is represented.

  As shown in FIG. 3, the display screen of the multi-function display 11 includes, as the basic screen 50, average fuel consumption (screen 51), instantaneous fuel consumption (screen 52), fuel consumption history (screen 53), clock (screen 54), Various setting information (screen 55), audio information (screen 60), smartphone information (screen 58), and the like are displayed.

  In addition, the driving state of the vehicle and surrounding conditions such as outside air temperature, inside temperature, cooling water temperature, fuel remaining amount, travel distance, continuous travel time, travelable distance, average vehicle speed, tracking control information, lane maintenance control information, etc. Such information may be displayed as the basic screen 50.

  The driver can select and display the screens 51 to 60 as the basic screen 50 by operating the display switch 17 provided on the steering wheel 3. Specifically, by pulling the feed switch 17a, the screens 51 to 60 can be displayed one screen at a time, and the return switch 17b is operated to return to the previous screen. Can be displayed.

  The basic screen 60 related to audio includes FM receiving station selection (screen 61) and preset (screen 65), AM receiving station selection (screen 62) and preset (screen 66), and music selection (screen 63). Various music settings (screen 67), external input selection (screen 64), audio function ON / OFF (screen 71), volume (screen 72), mobile phone call information (screen 73), mobile phone settings (screen) 74) etc. are displayed.

  In addition, as the audio-related basic screen 60, music selection and various settings, sound quality settings, mobile phone calls from media such as the portable music player 47 (see FIG. 1) and the flash memory 48 (see FIG. 1), etc. Information such as time can also be displayed.

  The driver can operate the audio switch 18 provided on the steering wheel 3 to interrupt the basic screen 50 and select and display the screens 61 to 74 as the audio-related basic screen 60. . Further, by operating the audio switch 18, audio-related operations such as music selection and volume control can be performed. Specifically, the above operation is performed by pressing a switch to which each function constituting the audio switch 18 is assigned.

  The smartphone information (screen 58) is selected and displayed as the basic screen 50, and in this state, the set switch 17c of the display switch 17 is pulled to move to the smartphone cooperation screen 80 shown in FIG.

  As shown in FIG. 4, the driver can display the smartphone cooperation screen 80 on the multi-function display 11, confirm information on the smartphone 45 and the like, and can operate the smartphone 45 and the like.

  Specifically, when the set switch 17c is operated on the smartphone information (screen 58) on the basic screen 50, a selection screen 81 on which an icon 81a indicating a function of the smartphone 45 or the like can be selected is displayed. The icon 81a indicates a function for transmitting vehicle information.

  By pulling the feed switch 17a or the return switch 17b of the display switch 17 in this state, icons indicating other functions, for example, an icon 83a indicating a mail function, an icon 90a indicating weather information display, and an icon for returning to the basic screen 50 are displayed. Selection screens 83, 90, and 93 that display 93a and the like in a selectable manner can be displayed.

  By selecting an icon 81a indicating transmission of vehicle speed information on the selection screen 81, information such as the vehicle speed and the state of travel control can be transmitted to the smartphone 45. Specifically, by pulling the set switch 17c of the display switch 17 in a state where the icon 81a is selected (for example, highlight display), a screen 82 indicating that information is being transmitted is displayed, and data transmission is performed. Done. Thereby, using the application of the smartphone 45, it is possible to analyze the running state and the like.

  For example, data such as vehicle speed and fuel consumption can be calculated and recorded using an application of the smartphone 45, and graphed and displayed as a history. Further, the information can be displayed on the multi-function display 11.

  When the selection screen 83 is displayed and the icon 83a indicating the mail function is selected (set switch 17c), the mail transmission / reception status and the content of the mail text can be displayed and confirmed (screen 84). Here, by pulling the feed switch 17a or the return switch 17b, the screen can be scrolled to display the contents (screens 84 to 86).

  Note that various applications of the smartphone 45 can also be executed for the mail transmission / reception function. For example, prepare a standard sentence (for example, “I am driving now”, “I will contact you later”, etc.) in advance for replying to e-mails. You may be able to reply.

  Specifically, the icon 85a indicating the fixed phrase reply function is selected on the screen 85 (set switch 17c) and the screen 87 is moved to, and the selection icon 87a is moved on the screen 87 by the feed switch 17a or the return switch 17b. Then, the fixed sentence may be selected (set switch 17c). In this way, a mail can be replied with a simple operation.

  When the transmission of the fixed text is completed, or when the icons 86a and 88a for returning to the selection screen are selected and the set switch 17c is pulled, the screen 83 for selecting the function of the smartphone 45 is returned.

  If a mail is received during driving, even if other displays are displayed on the multi-function display 11, a screen informing the driver of the reception is interrupted and displayed, and then the selection screen 83 or the mail content is displayed. The display content may be changed to the screen 84 to be displayed. As a result, the contents can be confirmed as soon as the mail is received.

  Further, by selecting the icon 90a indicating the weather information display on the selection screen 90 and pulling the set switch 17c, the weather information (screen 91) of the current location, the weather information (92) of the destination, etc. are displayed on the multi-function display 11. Can be made. The weather information to be displayed may be received from the external site by the smartphone 45. It is also possible to display other meteorological information, for example, current observation values and forecast values for temperature, humidity, solar radiation, precipitation conditions, etc., for a preselected point.

  By selecting the icon 93a for returning to the basic screen 50 on the selection screen 93 and pulling the set switch 17c, the screen display of the multi-function display 11 can be returned to the basic screen 50.

  As described above, according to the display device 10 for a vehicle according to the present embodiment, the smartphone 45 and the like can be connected so as to be capable of bidirectional communication, and information on the smartphone 45 can be displayed on the multi-function display 11. The smartphone 45 can be operated with a simple operation. In addition, information related to the traveling state of the vehicle can be transmitted to the smartphone 45.

  Thereby, in the smart phone 45 grade | etc., It can apply to various applications. For example, when an e-mail is received, it is determined whether or not the vehicle is traveling from the vehicle speed information, etc., and if the vehicle is traveling, a fixed sentence is automatically returned even if the driver does not operate. Also good. Thereby, driving | operation is not inhibited and safety | security can be improved more.

  In addition, navigation information can be added to a fixed sentence that is automatically returned by using the navigation function of the smartphone 45 or in cooperation with in-vehicle navigation. For example, a sentence such as “currently moving in XX city”, “moving in the direction of XX”, or “arriving at the destination in XX minutes” can be returned.

  Furthermore, the content of the received mail may be automatically read out by an application and output to the vehicle interior through the vehicle speaker 34 (see FIG. 1). Alternatively, the driver's voice may be input and the application may convert the text to create a mail reply.

  The present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Car interior 5 Windshield 10 Display system for vehicles 11 Multifunctional display 12 Communication part 14 Power supply 15 Wireless communication part 17 Display switch 18 Audio switch 20 Audio BOX
41 Vehicle speed detector 42 Camera 45 Smartphone 46 Tablet information terminal 47 Portable music player 48 Flash memory

Claims (4)

An arrangement unit provided inside the vehicle for arranging an information communication terminal;
Charging means for supplying power from the vehicle to the information communication terminal arranged in the arrangement unit;
Communication control means for bidirectionally communicating with the information communication terminal arranged in the arrangement unit;
Display means for displaying information of the information communication terminal arranged inside the vehicle and inputted / outputted via the communication control means;
Operating means provided in the steering part of the vehicle,
The vehicle display system characterized in that the operation means can display and set the display means, and can operate the information communication terminal via the communication control means.   The vehicle display system according to claim 1, wherein the display unit is disposed in front of the operation unit.   The vehicle display system according to claim 2, wherein the display unit projects and displays the display content on a windshield of the vehicle. Detecting means for detecting the situation of the vehicle or its surroundings,
The display means can display information detected by the detection means,
4. The vehicle display system according to claim 1, wherein the communication control unit is capable of transmitting information detected by the detection unit to the information communication terminal. 5.

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