JP6606878B2 - Vehicle display device - Google Patents

Description

  The present invention relates to a vehicular display device capable of appropriately recording a specific screen displayed on a display means.

  As a conventional vehicle display device, there is one disclosed in Patent Document 1. In this vehicle display device, the contents and occurrence times of failures are sequentially written in a nonvolatile memory so that the latest failure data can always be known.

Japanese Patent Laid-Open No. 5-12075

  However, in recent vehicle display devices, due to the complexity of functions, it may be difficult to specify the cause of the failure only by the content and time of the failure, and it is compared with the display before and after the failure occurred. There was a request to want. In addition, with the spread of social networking services (SNS), there is also a demand to record and publish a display of one scene or front and back that will be commemorative for the driver, for example, when the total mileage becomes 77777 km .

  The present invention has been made in view of the above-described demand, and an object thereof is to provide a vehicular display device capable of appropriately recording a specific screen displayed on a display unit.

A vehicle display device according to the present invention includes:
A vehicle display device comprising vehicle information input / output means, image display means, and control means for displaying vehicle information input from the vehicle information input / output means on the image display means,
A storage means,
When the vehicle information that can be expressed by two or more digits is consistent, the control means associates the screen displayed on the image display means for a predetermined period with the vehicle information at the date and time. Having a recording function to be stored in the storage means,
This is the first feature.

  ADVANTAGE OF THE INVENTION According to this invention, the display apparatus for vehicles which can record appropriately the specific screen displayed on the display means can be provided.

1 is an external front view of a vehicle display device according to an embodiment of the present invention. The electrical block diagram of the display apparatus for vehicles which concerns on the same embodiment. The 1st display example at the time of output function execution of the display apparatus for vehicles which concerns on the embodiment. The 2nd display example at the time of output function execution of the display apparatus for vehicles which concerns on the embodiment. The 3rd display example at the time of output function execution of the display apparatus for vehicles which concerns on the embodiment.

  A vehicle display device 1 according to an embodiment to which the present invention is applied will be described with reference to the accompanying drawings.

  As shown in FIGS. 1 and 2, the vehicle display device 1 includes a mechanical display unit 2, an image display unit 3, a control unit 4, a vehicle information input / output unit 5, an operation unit 6, and a first memory. It mainly comprises means 7, second storage means 8, and external device 9.

  The mechanical display means 2 is mainly composed of a dial plate on which an index represented by a figure or a number is formed, a pointer that rotates on the dial plate, and an electric motor that rotates the pointer. The mechanical display means 2 displays the traveling speed of the vehicle and the engine speed by causing the pointer to indicate the predetermined position of the index formed on the dial by the control means 4 driving the electric motor.

  The image display means 3 is, for example, a liquid crystal display or an organic EL display. The image display unit 3 displays a screen 30 in which predetermined images are combined in response to a control signal from the control unit 4.

  The control unit 4 expands the data stored in the nonvolatile memory, the nonvolatile memory in which the CPU, the program operated by the CPU, and various image data to be displayed on the image display unit 3 are stored in advance. The circuit is mainly composed of a circuit board on which a microcontroller having a volatile memory for temporarily storing the result and a timer for measuring time is mounted. The control means 4 controls the entire vehicle display device 1 and displays the vehicle information input from the vehicle information input / output means 5 described later on the image display means 3. The vehicle information displayed as the screen 30 on the image display means 3 is, for example, a total travel distance image 31 or an average fuel consumption image 32 of the vehicle.

  Further, the control unit 4 has a recording function of storing each screen 30 displayed on the image display unit 3 in a predetermined period in the first storage unit 7 in association with the date and time and vehicle information at that time. The control means 4 has an output function for selecting and outputting all or a part of each screen 30 recorded by this recording function by the operation of the operation means 6. The recording function and the output function will be described later in detail.

  The vehicle information input / output means 5 is a communication path that transmits vehicle information to and from various in-vehicle devices such as an engine control ECU such as a CAN (Controller Area Network).

  The operation means 6 is composed of, for example, a switch or a touch panel.

  The first storage means 7 is a nonvolatile memory. The first storage unit 7 may function as a nonvolatile memory included in the control unit 4.

  The second storage unit 8 is, for example, a nonvolatile memory that can be read and written from the control unit 4 in accordance with the USB (Universal Serial Bus) standard. The 2nd memory | storage means 8 is comprised so that attachment or detachment to the exposed connector (not shown) of the display apparatus 1 for vehicles is possible.

  The external device 9 is, for example, a mobile phone having a telephone function and an Internet connection function, and communicates with the control unit 4 by wireless communication.

  Next, the recording function and output function of the control means 4 will be described in detail.

  The video recording function displays each screen 30 displayed on the image display means 3 for a maximum of 1 minute by displaying the date and time when each screen 30 was displayed on the image display means 3 and the vehicle information that occurred at that date and time. 1 is stored in association with the storage means 7. The vehicle information stored in association with each other is preferably information that can be used to infer vehicle information such as failure information such as DTC (Diagnostic Trouble Cord), travel speed of the vehicle, and steering angle of the steering wheel. Also, the recording function is updated so that the screen with the new date and time is overwritten in order from the screen with the oldest date and time. This update can be interrupted by operating the operation means 6.

The output function can be executed by operating the operation means 6 when the recording function is interrupted.
When the output function is executed, as shown in FIG. 3, the timeline T between the date / time T1 when the recording function is interrupted and the date / time T2 one minute before the date / time T1 and the predetermined date / time T3 on the timeline T are indicated. Cursor C to be displayed and screens 30a, 30b, 30c, 30d, and 30e are displayed. The screen 30a is the screen 30 displayed on the image display means 3 at the date and time T3 indicated by the cursor C, and the screen 30b is the screen 30 at the date and time T3-1 that is a frame immediately before the date and time T3 indicated by the cursor C. The screen 30c is the screen 30 at the date T3-2, which is the frame two days before the date T3 indicated by the cursor C, and the screen 30d is the date after the date T3 indicated by the cursor C. This is the screen 30 at T3 + 1, and the screen 30e is the screen 30 at the date T3 + 2, which is the second frame after the date T3 indicated by the cursor C. The cursor C can display an arbitrary screen 30 between the date and time T1 and the date and time T2 by moving the date and time of the date and time T3 designated by the operation means 6 back and forth (left and right in FIG. 3).
As the output function, all or a part of each screen 30 recorded by the recording function can be selected by operating the operation means 6. The output function outputs each selected screen 30. When outputting each selected screen 30, the output function can also output the date and time and vehicle information associated with each screen 30. The output destination can be selected from the vehicle information input / output means 5, the second storage means 8, and the external device 9. A comment can be added to the output data.

  According to the recording function and the output function, as shown in FIG. 4, a display defect such as that the number displayed on the average fuel consumption image 32 of the screen 30 displayed on the image display means 3 is broken and the visibility is deteriorated. After the recording function is interrupted until 1 minute has passed after the occurrence of the trouble, the output function is executed, thereby outputting the malfunction screen 30f in which the display of the average fuel consumption image 32 is broken and the date and vehicle information related thereto. it can. When the vehicle information input / output means 5 is selected as the output destination, for example, it can be used for the purpose of reading and analyzing with a scan tool for fault diagnosis connected to the vehicle information input / output means 5. Further, when the second storage means 8 is selected as the output destination, for example, the second storage means 8 is removed from the vehicle display device 1 and can be easily carried around to request analysis from a dealer or the like. In addition, since vehicle information such as failure information is attached to each recorded screen 30, it is easy to identify the cause of the failure display.

  Further, according to the recording function and the output function, for example, as shown in FIG. 5, the screen 30 including the total travel distance image 31 indicating 7777 km is displayed on the image display means 3 until one minute elapses. By suspending the recording function and executing the output function, a commemorative screen 30g having a total travel distance of 7777 km can be output. In this case, it is preferable to output the date related to the commemorative screen 30g. Further, by selecting the second storage means 8 as the output destination, the second storage means 8 can be removed from the vehicle display device 1 and can be carried around the commemorative screen 30g. Alternatively, by selecting the external device 9 as the output destination, the memorial screen 30g can be opened to the SNS via the external device 9 and used to deepen friendship with the parties involved in the SNS.

As described above, the vehicle display device 1 according to the present invention displays the vehicle information input / output means 5, the image display means 3, and the vehicle information input from the vehicle information input / output means 5 on the image display means 3. A display device for a vehicle comprising a control means 4, comprising a first storage means 7, wherein the control means 4 displays a screen 30 displayed on the image display means 3 for a predetermined period, a date and a vehicle at the date and time. It has a recording function of associating information with each other and storing it in the first storage means 7.
According to this, since the specific screen displayed on the display means can be recorded in association with the date and time and the vehicle information, it is possible to check the contents of the failure and the screen 30 at that time in time series.

Further, the vehicle display device 1 according to the present invention is characterized in that the control means 4 has an output function for outputting at least a part of the screen 30 displayed on the image display means 3 during a predetermined period stored by the recording function. And
According to this, for example, when the total traveling distance becomes 77777 km, it is convenient to publish one scene or the front and rear screens 30 that are commemorative for the driver.

  The embodiment of the present invention has been described above. The present invention is not limited to the above embodiments (including the contents of the drawings). Modifications (including deletion of constituent elements) can be added to the above-described embodiment within the scope of the gist of the present invention.

For example, in the above-described embodiment of the present invention, the recording function is interrupted and the output function is executed by operating the operation means 6, but the present invention is not limited to this. When satisfied, the recording function may be interrupted and the output function may be executed. Specifically, it can be set to automatically output to the second storage means 8 when the total travel distance is a uniform line composed of all the same numbers such as 111 km and 2222 km. By doing so, forgetting to operate the operation means 6 can be prevented.
Further, when a predetermined condition is satisfied, it may be output to a predetermined output destination.

  Further, the vehicle information stored in association with the screen 30 by the recording function is not limited to the failure information, but may be vehicle information related to the use environment of the vehicle display device 1 such as the outside air temperature and the battery voltage. In this case, it becomes easy to identify the cause of a defect that occurs only in a specific use environment such as a high temperature environment.

  The present invention is suitable for a vehicle display device that performs image display mounted on a vehicle.

1: Vehicle display device 2: Mechanical display means 3: Image display means 30: Screen 30a: Screen at date T3 30b: Screen at date T3-1 30c: Screen at date T3-2 30d: Screen at date T3 + 1 30e: Screen at date and time T3 + 2 4: Control means 5: Vehicle information input / output means 6: Operating means 7: First storage means 8: Second storage means 9: External device

Claims (1)

A vehicle display device comprising vehicle information input / output means, image display means, and control means for displaying vehicle information input from the vehicle information input / output means on the image display means,
A storage means,
When the vehicle information that can be expressed by two or more digits is consistent, the control means associates the screen displayed on the image display means for a predetermined period with the vehicle information at the date and time. Having a recording function to be stored in the storage means,
A display device for a vehicle.

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