JP2015217728A - Display device, display method of display device, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to improve convenience by using vehicle information acquired from different acquisition routes.SOLUTION: A display device for vehicle 1000 comprises: vehicle information acquisition means 200 for severally acquiring vehicle information from a plurality of acquisition routes, and transmitting a plurality of vehicle information having different acquisition routes; and a mobile phone 100 having a display operation part 104; a wireless communication interface 102 which receives a plurality of the vehicle information having different acquisition routes transmitted from the vehicle information acquisition means 200; and a control part 101 to display the vehicle information on the display operation part 104. The control part 101 includes a display item selecting function capable of selecting a type of the vehicle information and an acquisition route to be displayed on the display operation part 104.

Description

  The present invention relates to a display device that displays vehicle information, a display method for the display device, and a program.

  Conventionally, as a retrofit vehicle display device that acquires vehicle information from a vehicle-side ECU (Electronic Control Unit) via a vehicle diagnostic connector such as OBD2 (On-board diagnostics 2) provided in the vehicle and displays the vehicle information, for example, There is one disclosed in Patent Document 1. Further, as a retrofit vehicle display device that receives vehicle information from a control unit that receives vehicle status information from various sensors provided in the vehicle and calculates vehicle information and displays the vehicle information, for example, Patent Document 2 Are disclosed.

JP 2012-153205 A JP 2014-64105 A

  As described above, typical acquisition paths for vehicle information used in a retrofit vehicle display device include an acquisition path via a vehicle diagnostic connector and an acquisition path via a control unit that receives status signals from various sensors and the like. It is done. However, the conventional retrofit vehicle display device has no idea of using vehicle information acquired through different acquisition routes together, and a method of acquiring vehicle information from any acquisition route is common. Therefore, there is still room for improvement in terms of enhancing convenience by using vehicle information acquired from different acquisition routes.

  The present invention has been made in view of the above problems, and provides a display device, a display device display method, and a program capable of improving convenience by using vehicle information acquired from different acquisition routes. The purpose is to provide.

In order to solve the above-mentioned problems, the display device of the present invention acquires vehicle information from a plurality of acquisition routes, and transmits vehicle information acquisition means for transmitting a plurality of vehicle information with different acquisition routes,
A display unit comprising: a display unit; a receiving unit that receives a plurality of pieces of vehicle information with different acquisition routes transmitted from the vehicle information acquisition unit; and a control unit that displays the vehicle information on the display unit. A display device comprising:
The said control part is provided with the display item selection function which can select the classification and acquisition route of the said vehicle information displayed on the said display part.

In order to solve the above-described problem, a display method for a display device according to the present invention acquires vehicle information from a plurality of acquisition routes, and transmits vehicle information acquisition means for transmitting a plurality of vehicle information with different acquisition routes,
A display unit comprising: a display unit configured to receive a plurality of the vehicle information of different acquisition routes transmitted from the vehicle information acquisition unit and display the vehicle information on a display unit;
The type of the vehicle information and the acquisition route are selected, and the vehicle information is displayed on the display unit.

In order to solve the above-described problems, the program of the present invention is a computer,
The vehicle information is acquired from vehicle information acquisition means for acquiring vehicle information from a plurality of acquisition routes, and the reception unit displays a plurality of the vehicle information having different acquisition routes, and the display unit displays the vehicle information. It is made to function as a control part provided with the display item selection function which can choose the classification and acquisition route of vehicle information.

  The present invention can improve convenience by using vehicle information acquired from different acquisition routes.

It is a block diagram which shows the structure of the display apparatus for vehicles which is embodiment of this invention. It is a figure explaining the communication data transmitted to a mobile telephone from a vehicle information acquisition means in the display apparatus for vehicles same as the above. It is a figure which shows the example of a display of the mobile telephone with which the display apparatus for vehicles same as the above is equipped. It is a figure which shows the example of a display of the mobile telephone with which the display apparatus for vehicles same as the above is equipped.

  Hereinafter, embodiments according to the present invention will be described with reference to the drawings. In addition, this invention is not limited by the following embodiment (The content of drawing is also included). It goes without saying that changes (including deletion of components) can be added to the following embodiments. Moreover, in the following description, in order to make an understanding of this invention easy, description of a known technical matter is abbreviate | omitted suitably.

FIG. 1 is a diagram showing a configuration of a vehicle display device 1000 according to an embodiment of the present invention.
The vehicle display device 1000 includes a mobile phone (an example of a display unit and an operation unit) 100 and a vehicle information acquisition unit 200. The mobile phone 100 and the vehicle information acquisition unit 200 are wirelessly connected so that mutual communication is possible. Note that the mobile phone 100 and the vehicle information acquisition unit 200 may be connected by wire. Further, the vehicle information acquisition means 200 acquires vehicle information measurement data (hereinafter referred to as vehicle information data) from a vehicle side ECU 301 provided in the vehicle 300 via a first acquisition path via the vehicle diagnosis connector 302. Vehicle information data is acquired from a second acquisition route via a control unit 400 connected to various sensor groups provided in 300. Examples of vehicle information data to be acquired include various measured values such as vehicle speed, engine speed, supercharging pressure, intake pressure, hydraulic pressure, fuel pressure, oil temperature, water temperature, exhaust temperature, voltage, throttle opening, and intake air temperature. It is not limited to these. Further, it is assumed that at least some types of vehicle information data acquired from the first acquisition route and vehicle information data acquired from the second acquisition route overlap. In the present embodiment, the vehicle information acquisition unit 200 uses, as vehicle information data, a vehicle speed measurement value (vehicle speed data), an engine speed measurement value (engine speed data), and a boost pressure from the first acquisition route. Measurement value (supercharging pressure data), intake pressure measurement value (intake pressure data), fuel pressure measurement value (fuel pressure data), water temperature measurement value (water temperature data), voltage measurement value (voltage data), and throttle opening It is assumed that a measured value of the degree (throttle opening data) and a measured value of the intake air temperature (intake air temperature data) are acquired. Further, the vehicle information acquisition means 200 includes vehicle speed data, engine speed data, boost pressure data, intake pressure data, hydraulic pressure measurement values (hydraulic data), and fuel pressure data as vehicle information data from the second acquisition path. It is assumed that water temperature data, exhaust temperature measurement values (exhaust temperature data), and voltage data are acquired. That is, of the vehicle information data, the vehicle speed data, the engine speed data, the supercharging pressure data, the intake pressure data, the fuel pressure data, and the water temperature data overlap from the first acquisition path and the second acquisition path, respectively. Is acquired by the vehicle information acquisition means 200.

  The cellular phone 100 includes a control unit 101, a wireless communication interface 102, a storage unit 103, a display operation unit 104, a communication unit 105, and an antenna unit 106.

  The control unit 101 includes, for example, a microcomputer, and includes a CPU (Central Processing Unit) that actually performs processing (such as control of the entire mobile phone 100) executed by the control unit 101, and a RAM (Random Access) that functions as a main memory of the CPU. Memory), ROM (Read Only Memory) that stores various programs for causing the control unit 101 to execute processing described later, and information (signals) input / output to / from the control unit 101 are converted into digital data for output to the CPU or output And various converters that perform analog conversion. In addition to the CPU, the control unit 101 may include various dedicated circuits (for example, an image processing circuit) for executing part of the processing performed by the control unit 101 instead of the CPU.

  The wireless communication interface 102 is an interface for wirelessly connecting to the vehicle information acquisition unit 200, and short-range wireless communication such as Bluetooth (registered trademark) or wireless LAN is used. The wireless communication interface 102 functions as a receiving unit of the present invention.

  The storage unit 103 stores data used when the control unit 101 executes processing. The storage unit 103 includes a nonvolatile storage medium that can rewrite data, such as a flash memory. The storage unit 103 may include an easily removable memory card or the like.

  The display operation unit 104 is, for example, a dot matrix type display provided with a touch panel, and has a function as a display unit for displaying an image and a function as an operation unit for executing an application.

  The communication unit 105 includes various demodulators and modulators. For example, the communication unit 105 is connected to a network such as the Internet via the antenna unit 106, and is supplied with information (for example, a network server) supplied via the network from other external devices (for example, a network server). (Including an image and a program) and supply it to the control unit 101, or supply information transmitted from the control unit 101 to other devices via a network.

  The mobile phone 100 according to the present embodiment is a high-function mobile phone called a so-called smartphone, stores a plurality of types of applications in the control unit 101, and is activated when the control unit 101 executes each application. It has various functions such as a call function, a mail function, a navigation function, a music data playback function, a photo data playback function, a moving image data playback function, a map display function, and a web browsing function. Furthermore, in this embodiment, an application (hereinafter referred to as a vehicle information display application) for executing a vehicle information display function for displaying vehicle information described later is provided. In the mobile phone 100, an image corresponding to the application being executed is displayed on the display operation unit 104.

  The vehicle information acquisition means 200 includes a control unit 201 composed of a microcomputer, a connector 202, a CAN communication interface 203, a UART communication interface 204, a wireless communication interface 205, and a storage unit 206. It is stored in the body.

  The control unit 201 includes, for example, a CPU that actually performs processing (such as reception and transmission of vehicle information data) executed by the control unit 201, a RAM that functions as a main memory of the CPU, and processing described later on the control unit 201. A ROM that stores various programs to be executed, and various converters that digitally convert information (signals) input / output to / from the control unit 201 and convert them to analog for output.

  The connector 202 is a connector that can be connected to a vehicle diagnostic connector 302 provided in the vehicle 300. In the present embodiment, the OBD 2 has wirings of a + 12V constant power line, a CAN_H signal line, a CAN_L signal line, and an earth line. It consists of a male connector.

  The CAN communication interface 203 is an interface for performing CAN communication with the vehicle-side ECU 301 through a wired connection via the vehicle diagnosis connector 302.

  The UART communication interface 204 is an interface for performing UART communication with the control unit 400 through a wired connection via a connector (not shown).

  The wireless communication interface 205 is an interface for wireless connection with the mobile phone 100 and has the same standard as the wireless communication interface 102.

  The storage unit 206 stores vehicle information data and the like obtained from the first and second acquisition routes.

  The vehicle-side ECU 301 includes a power train ECU for engine control and a body ECU for air conditioner control. In the present embodiment, the vehicle diagnosis connector 302 is an OBD2 female connector, and performs CAN communication between the vehicle-side ECU 301 and the vehicle information acquisition unit 200. The vehicle-side ECU 301 and the vehicle information acquisition unit 200 may communicate with each other by K-LINE.

  The control unit 400, for example, causes a CPU that actually performs processing (such as calculation of vehicle information data) executed by the control unit 400, a RAM that functions as a main memory of the CPU, and causes the control unit 400 to perform processing described below. A ROM that stores various programs, and various converters that digitally convert information (signals) input / output to / from the control unit 400 and convert them to analog for output are housed in a case body made of a resin material or the like. Do it. The control unit 400 receives state signals indicating various types of vehicle information from various sensors mounted on the vehicle 300, calculates various types of vehicle information data, and uses, for example, UART communication to acquire the vehicle information acquisition unit 200 and a not-shown post meter group Vehicle information data is transmitted to The control unit 400 may be housed in the case body of the vehicle information acquisition means 200.

  In the vehicular display device 1000, when the mobile phone 100 is brought into the vehicle 300 and the mobile phone 100 and the vehicle information acquisition means 200 are connected, the respective control units 101 and 201 mutually connect the wireless communication interfaces 102 and 205. Recognize that they are connected via In addition, when the mobile phone 100 is brought into the vehicle 300, the mobile phone 100 is disposed in an arbitrary place in the vehicle interior (for example, a cradle installed on a dashboard). When the control unit 101 of the mobile phone 100 recognizes that it is connected to the vehicle information acquisition unit 200, it can receive communication data from the vehicle information acquisition unit 200. At this time, the vehicle information display application may be automatically activated, or the vehicle information display application may be manually activated. In addition, the control unit 201 of the vehicle information acquisition unit 200 transmits communication data including vehicle information data acquired from the vehicle ECU 301 and the control unit 400 to the mobile phone 100 via the wireless communication interface 205. The mobile phone 100 receives communication data from the vehicle information acquisition unit 200 via the wireless communication interface 102.

  FIG. 2 shows communication data D transmitted from the vehicle information acquisition means 200 to the mobile phone 100. The communication data D includes a first packet D1 and a second packet D2. The first packet D1 includes acquisition route data D11 indicating acquisition route information and vehicle information data D12 to D1m. The acquisition route data D11 is the first (first) data of the first packet D1, and is data indicating that the acquisition route of the vehicle information data is the first acquisition route (indicated as “OBD” in FIG. 2). is there. The vehicle information data D12 to D1m are vehicle information data such as the vehicle speed acquired by the first acquisition route, and the order from the acquisition route data D11 is fixed for each type (from acquisition route data D11 to 1). The second is vehicle speed data, etc.). The control unit 101 of the mobile phone 100 can determine the acquisition routes and types of the vehicle information data D12 to D1m according to the order from the acquisition route data D11 and the acquisition route data D11 while the vehicle information display application is being executed. The second packet D2 includes acquisition route data D21 indicating acquisition route information and vehicle information data D22 to D2n. The acquisition route data D21 is the first (first) data of the second packet P2, and is data indicating that the acquisition route of the vehicle information data is the second acquisition route (indicated as “CU” in FIG. 2). is there. The vehicle information data D22 to D2n are vehicle information data such as the vehicle speed acquired by the second acquisition route, and the order from the acquisition route data D21 is fixed for each type (first from the route data D21). Is vehicle speed data). The control unit 101 of the mobile phone 100 can determine the acquisition routes and types of the vehicle information data D22 to D2n according to the order from the acquisition route data D21 and the acquisition route data D21 while the vehicle information display application is being executed. The vehicle information acquisition unit 200 transmits the communication data D to the mobile phone 100 every predetermined period. That is, the vehicle information data D12 to D1m from the first acquisition route and the vehicle information data D22 to D2n from the second acquisition route are transmitted to the mobile phone 100 at predetermined intervals.

(Display example)
FIG. 3 shows a display example of the normal display mode in the vehicle information display application. When the vehicle information display application is activated by a user's selection operation or the like, the control unit 101 causes the display operation unit 104 to display arbitrary vehicle information. In FIG. 3, the display operation unit 104 includes first and second display areas A1 and A2 for displaying vehicle information as analog instrument images, and third to sixth display areas A3 to A6 for digitally displaying vehicle information. Have. The display screen in the normal display mode including the display areas A1 to A6 can be arbitrarily selected from a plurality of types of screen designs in which the number and arrangement of display areas are different depending on a predetermined operation.

(Display item selection function)
Next, a display item selection function of the control unit 101 during execution of the vehicle information display application will be described. In addition, the program which concerns on the following display item selection functions shall be contained in the said vehicle information display application.

  First, the control unit 101 displays a display item selection screen W1 on the display operation unit 104 when a predetermined display region selection operation (for example, a tap operation on the display regions A1 to A6) by the user is input. FIG. 4 shows a display item selection screen W1 displayed when the first display area A1 is selected. The display item selection screen W1 is a window screen having a smaller area than the entire display screen, a list of types of vehicle information that can be displayed, and first and second acquisition route selection buttons provided for each type of vehicle information B1 and B2 are displayed. The first acquisition route selection button B1 indicates the first acquisition route via the vehicle diagnosis connector 302 (indicated as “OBD” in FIG. 4), and the second acquisition route selection button B2 is a control. The second acquisition path through the unit 400 is shown (indicated as “CU” in FIG. 4). Of the types of vehicle information, those acquired only from either the first acquisition route or the second acquisition route are only the acquisition route selection buttons B1 and B2 indicating the acquisition routes that can be acquired. Is displayed. In addition, when all types of vehicle information that can be displayed on the display item selection screen W1 do not fit, they are sequentially displayed by a slide operation or a flick operation. The user selects one of the first and second acquisition route selection buttons B1 and B2 of the type of vehicle information desired to be displayed in the first display area A1 from the display item selection screen W1 (for example, the acquisition route selection button B1). , B2 tap operation). When the selection operation of the user is input, the control unit 101 displays the selected first and second acquisition route selection buttons B1 and B2 in a negative / positive manner, and displays the vehicle selected based on the selection operation. The type of information and the acquisition route are determined, and vehicle information data to be displayed as vehicle information is set in the first display area A1. For example, when the vehicle speed second acquisition route selection button B2 is selected by the selection operation, the control unit 101 uses the vehicle speed data of the second acquisition route as vehicle information to be displayed in the first display area A1. Set. As a result, the vehicle speed acquired by the second acquisition route is displayed on the display operation unit 104. The type of the vehicle information and the selection of the acquisition route can be performed for each of the display areas A1 to A6.

The vehicle display device 1000 according to the present embodiment acquires vehicle information from a plurality of acquisition routes, and transmits vehicle information acquisition means 200 that transmits a plurality of vehicle information with different acquisition routes.
A display operation unit 104; a wireless interface 102 that receives a plurality of vehicle information with different acquisition routes transmitted from the vehicle information acquisition unit 200; and a control unit 101 that causes the display operation unit 104 to display the vehicle information. A mobile phone 100;
The control unit 101 has a display item selection function capable of selecting the type of the vehicle information to be displayed on the display operation unit 104 and the acquisition route.

  According to this, vehicle information with different acquisition routes can be selected and displayed on the display operation unit 104, information that meets the user's request and preference can be provided, and convenience is improved. Specifically, vehicle information with different acquisition routes may have different meanings even if the vehicle information is the same vehicle type. For example, regarding the vehicle speed, the vehicle speed data from the first acquisition route via the vehicle diagnosis connector 302, which is originally used for vehicle diagnosis, is a value with little error with respect to the actual vehicle speed (hereinafter, actual vehicle speed). On the other hand, the vehicle speed data from the second acquisition route via the control unit 400 for meter control has a display value of a genuine vehicle speed meter corrected so as to be slightly higher than the actual vehicle speed. The values are similarly corrected by the control unit 400 so as to match. Therefore, by making it possible to select the acquisition route as well as the type of vehicle information to be displayed on the display / operation unit as in the present invention, the user can select a value close to the actual vehicle speed and a genuine vehicle speed meter according to his / her request or preference. Similar values can be selected and displayed on the display operation unit 104. For example, for the water temperature, the water temperature data from the first acquisition path is a value indicating the temperature of the coolant (cooling water) inside the engine. On the other hand, the water temperature data from the second acquisition path can arbitrarily determine the measurement location due to the characteristic that a temperature sensor is installed later. Therefore, for example, a temperature sensor can be attached to the lower hose portion of the radiator, and the temperature of the coolant cooled by the radiator can be acquired as water temperature data to check the operation of the radiator. Therefore, by making it possible to select the acquisition route as well as the type of vehicle information to be displayed on the display / operation unit as in the present invention, the user can select the coolant temperature at an arbitrary location according to his / her request and preference. It can be displayed on the display operation unit 104. In addition, the vehicle information acquisition means 200 can increase the types of vehicle information that can be displayed by transmitting vehicle information data from different acquisition routes to the mobile phone 100 together. For example, among the types of vehicle information, the oil pressure, the oil temperature, and the exhaust temperature cannot be acquired from the first acquisition path, but can be acquired only from the second acquisition path. Further, the throttle opening degree and the intake air temperature cannot be acquired from the second acquisition path, but can be acquired only from the first acquisition path.

The display operation unit 104 includes a plurality of display areas A1 to A6 for displaying the vehicle information.
In the display item selection function, the control unit 101 can select the type and acquisition route of the vehicle information for each of the display areas A1 to A6 of the display operation unit 104.
According to this, vehicle information with different acquisition routes can be selected and displayed on the display / operation unit 104, information more suited to the user's request and preference can be provided, and convenience is improved. Specifically, by simultaneously displaying two pieces of vehicle information of the same type and different acquisition routes, vehicle information having the same type and different meaning can be compared at a glance as described above. For example, the vehicle speed data from the first acquisition route and the vehicle speed data from the second acquisition route are simultaneously displayed in the first display area A1 and the third display area A3, respectively, so that the vehicle speed data is close to the actual vehicle speed. The value can be compared with a value similar to the display value of a genuine vehicle speedometer. Further, the water temperature data from the first acquisition path and the water temperature data from the second acquisition path are simultaneously displayed in the fifth display area A5 and the sixth display area A6, respectively, so that two different locations The temperature of the coolant can be compared and displayed.

In addition, the vehicle information acquisition unit 200 receives, as the plurality of acquisition paths, a first acquisition path via a vehicle diagnosis connector 302 provided in the vehicle 300 and a state signal from various sensors provided in the vehicle 300. The vehicle information is acquired from the second acquisition route via the vehicle.
According to this, as described above, it is possible to acquire a plurality of pieces of vehicle information having the same type and different meanings (detection location, presence / absence of correction, etc.).

The display method of the vehicle display device 1000 according to the present embodiment includes vehicle information acquisition means 200 that acquires vehicle information from a plurality of acquisition routes and transmits a plurality of vehicle information with different acquisition routes, and
A display method for a display device, comprising: a mobile phone 100 that receives a plurality of vehicle information with different acquisition routes transmitted from a vehicle information acquisition unit 200 and displays the vehicle information on a display operation unit 104. ,
The vehicle information type and the acquisition route are selected, and the vehicle information is displayed on the display operation unit 104.

  According to this, vehicle information with different acquisition routes can be selected and displayed on the display operation unit 104, information that meets the user's request and preference can be provided, and convenience is improved.

  The program of the mobile phone 100 in the present embodiment is transmitted from the vehicle information acquisition unit 200 that acquires the vehicle information from the plurality of acquisition routes to the control unit 101 and is received by the wireless communication interface 102. The vehicle information is displayed on the display operation unit 104, and also functions as a control unit having a display item selection function capable of selecting the type and acquisition route of the vehicle information displayed on the display operation unit 104.

  According to this, vehicle information with different acquisition routes can be selected and displayed on the display operation unit 104, information that meets the user's request and preference can be provided, and convenience is improved.

  In the present embodiment, the mobile phone 100 is used as the display means and the operation means. However, as the display means and the operation means, a dedicated display device or navigation device, a tablet device or a portable Internet device similar to the mobile phone, A PDA (Personal Digital Assistant) or the like may be used, and switch means including a push button switch as an operation means may be provided separately from the display means. Further, the display device of the present invention may have a configuration in which the vehicle information acquisition unit and the display unit are integrally provided in one case.

  The present invention is suitable for a display device that displays vehicle information, a display method for the display device, and a program.

DESCRIPTION OF SYMBOLS 1000 Display apparatus for vehicles 100 Mobile phone 101 Control part 102 Wireless communication interface 103 Storage part 104 Display operation part 105 Communication part 106 Antenna part 200 Vehicle information acquisition means 201 Control part 202 Connector 203 CAN communication interface 204 UART communication interface 205 Wireless communication interface 206 Storage unit 300 Vehicle 301 Vehicle side ECU
302 Vehicle diagnostic connector 400 Control unit

Claims (5)

Vehicle information acquisition means for acquiring vehicle information from each of a plurality of acquisition routes and transmitting a plurality of vehicle information of different acquisition routes;
A display unit comprising: a display unit; a receiving unit that receives a plurality of pieces of vehicle information with different acquisition routes transmitted from the vehicle information acquisition unit; and a control unit that displays the vehicle information on the display unit. A display device comprising:
The said control part is provided with the display item selection function which can select the classification and acquisition path | route of the said vehicle information displayed on the said display part, The display apparatus characterized by the above-mentioned. The display unit includes a plurality of display areas for displaying the vehicle information,
The display device according to claim 1, wherein the control unit can select a type and an acquisition route of the vehicle information for each display area of the display unit in the display item selection function.   The vehicle information acquisition means includes, as the plurality of acquisition paths, a first acquisition path via a vehicle diagnosis connector provided on the vehicle, and a second via a control unit that receives status signals from various sensors provided on the vehicle. The display device according to claim 1, wherein the vehicle information is acquired from an acquisition route. Vehicle information acquisition means for acquiring vehicle information from each of a plurality of acquisition routes and transmitting a plurality of vehicle information of different acquisition routes;
A display unit comprising: a display unit configured to receive a plurality of the vehicle information of different acquisition routes transmitted from the vehicle information acquisition unit and display the vehicle information on a display unit;
A display method for a display device, wherein a type of the vehicle information and an acquisition route are selected and the vehicle information is displayed on the display unit. Computer
The vehicle information is acquired from vehicle information acquisition means for acquiring vehicle information from a plurality of acquisition routes, and the reception unit displays a plurality of the vehicle information having different acquisition routes, and the display unit displays the vehicle information. A program that functions as a control unit having a display item selection function capable of selecting a type of vehicle information and an acquisition route.

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