JP2011162148A - On-vehicle device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide "an on-vehicle device" capable of easily inputting information on a vehicle component which is a maintenance object when performing maintenance. <P>SOLUTION: This on-vehicle device includes a detecting means for detecting a state change in respective components for constituting a vehicle, a display means for displaying a maintenance item input image screen for inputting an inspection place of the vehicle, a storage means for storing state change data on the respective components, and a control means for storing the state change data on the respective components acquired from the detecting means in the storage means. The control means displays the maintenance item input image screen on an image screen of the display means when starting an engine of the vehicle when determining that the maintenance of the vehicle is performed based on the state change data on the respective components. The control means determines that the maintenance of the vehicle is performed when there is the state change in any component among the state change data on the respective components acquired from the detecting means. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an in-vehicle apparatus that facilitates an update process of a record of vehicle parts and consumables that are objects of maintenance, and that can easily perform the update process.

  In order to maintain safe driving of the vehicle, various parts and consumable parts of the vehicle are regularly inspected. The maintenance cycle of these various parts and consumables is stored, and the time when maintenance such as replacement and replenishment is required is displayed according to the elapsed time since the replacement of various parts and consumables and the mileage of the vehicle The user is guided to the user by displaying it on the screen.

  For example, Patent Literature 1 describes an operation display device that records the operation time until maintenance is performed as maintenance information.

  Further, in Patent Document 2, the necessity of maintenance of various devices and equipment is accurately determined regardless of the region in which the vehicle travels by taking into account the difference in the degree of wear of the various devices and equipment depending on the region. The technology is described.

  Patent Document 3 describes a maintenance instruction device that automatically displays maintenance items for a predetermined period immediately after an ignition switch is turned on or off.

Japanese Patent Laid-Open No. 10-236245 Japanese Patent Laid-Open No. 10-230800 Japanese Utility Model Publication No. 61-180830

  As described above, based on information such as the travel distance, the maintenance time of the vehicle equipment can be calculated and pointed to the user. By performing maintenance according to this instruction, it is possible to support safe traveling.

  In order to guide an accurate maintenance time, it is necessary to record the date and time when maintenance of each part was performed in an in-vehicle device that performs maintenance guidance and update the information. For such information update, after the vehicle maintenance is performed, the operation screen for the user to enter the maintenance information of the in-vehicle device is displayed, and the maintenance information is input while viewing the document in which the inspection location is written. become.

  However, it takes time to display an operation screen for inputting maintenance information when inputting maintenance information, and maintenance information is not input because there is no direct effect on vehicle travel even if maintenance information is not input. A situation has occurred. In such a situation, it is difficult to point out the exact replacement time of each device of the vehicle, and it is difficult to support safe driving.

  The present invention has been made in view of the problems of the prior art, and provides an in-vehicle device capable of easily inputting information of vehicle parts that are subject to maintenance when maintenance is performed. Objective.

  In order to solve the above-described problems of the prior art, according to one aspect of the present invention, a detection means for detecting a change in the state of each part constituting the vehicle and a maintenance item input screen for inputting the inspection location of the vehicle are displayed. Display means; storage means for storing state change data of each part; and control means for storing state change data of each part acquired from the detection means in the storage means. An in-vehicle device that displays the maintenance item input screen on the screen of the display means when it is determined that maintenance of the vehicle has been performed based on state change data of each component when the engine of the vehicle is activated. Provided.

  In the in-vehicle apparatus according to this aspect, the control means determines that the maintenance of the vehicle has been performed when there is a state change of any one of the state change data of each part acquired from the detection means. The control unit may estimate a part to be maintained based on the state change data of each part acquired from the detection unit, and the control unit A maintenance item input screen limited to maintenance items corresponding to the parts subject to maintenance may be generated and displayed on the screen of the display means, and the detection means senses at least the opening and closing of the hood of the vehicle. Sensors that detect the presence or absence of tires, sensors that monitor the fluid level, sensors that detect the opening and closing of the oil lid, Sensors, sensors for determining the weight according to the suspension, the sensor for monitoring the voltage change of the battery, may have either a.

  Further, in the in-vehicle apparatus according to this aspect, the control means may determine that the maintenance of the vehicle has been performed when the vehicle enters a facility for inspecting the vehicle. When no maintenance information is input on the maintenance item input screen and the engine is started after that, the maintenance item input screen may be displayed again on the screen of the display means.

  In the present invention, a maintenance item input screen for automatically inputting a vehicle inspection point is displayed when the vehicle engine is turned on after the vehicle maintenance. This saves the trouble of displaying the maintenance item input screen and makes it possible to easily update the inspection items to the latest state.

  In addition, when displaying the maintenance item input screen, an item estimated to have undergone maintenance is displayed. Thereby, display of unnecessary maintenance items is suppressed, and it becomes possible to input maintenance items efficiently.

It is a block diagram showing roughly the composition of the in-vehicle device concerning one embodiment of the present invention. It is a figure which shows an example of the maintenance mode screen in the vehicle-mounted apparatus of FIG. It is a figure which shows an example of the maintenance item input screen in the vehicle-mounted apparatus of FIG. It is a flowchart which shows an example of a maintenance item input screen display process.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  FIG. 1 schematically shows the configuration of an in-vehicle device 10 according to an embodiment of the present invention.

  As shown in FIG. 1, the in-vehicle device 10 according to the present embodiment includes a vehicle maintenance trigger detection unit 11, a control unit 12, a vehicle information acquisition unit 13, a display unit 14, an operation unit 15, and a storage unit 16. And.

  The vehicle maintenance trigger detection unit 11 detects a state change of each component of the vehicle when performing maintenance of the vehicle equipment, and sends a signal of the state change to the control unit 12. For example, as a trigger for checking engine oil of an engine that is a vehicle part, state conversion that the hood of the vehicle is opened or closed corresponds.

  The vehicle maintenance trigger detection unit 11 includes a sensor installed at a position where a change in the state of the vehicle component can be detected when maintenance of the vehicle component is performed. For example, a sensor that detects the opening and closing of the hood of a vehicle, a sensor that determines the presence or absence of a tire, a sensor that monitors the amount of fluid, a sensor that detects the opening and closing of an oil lid, a sensor that detects the tilt of a vehicle body, and a load applied to a suspension Sensors that monitor the battery voltage change are installed at appropriate positions.

  For example, the bonnet is opened and closed using a sensor that can detect the presence or absence of current in accordance with the opening and closing of the bonnet. Further, an ultrasonic sensor is used as a sensor for determining the presence or absence of the tire, and it is detected whether or not the tire is removed by measuring the distance to the object (tire).

  Signals from these sensors are transmitted to the in-vehicle device 10 even when maintenance is performed with the ignition switch turned off, and the data is stored in the storage unit 16 of the in-vehicle device 10 so that the power source other than the battery is supplied. Prepare the equipment.

  The vehicle information acquisition unit 13 acquires information from an information center such as a vehicle manufacturer that holds information related to the vehicle via a network. The information related to the vehicle includes, for example, information such as the standards of each part constituting the vehicle and the replacement time of the part.

  The display unit 14 includes a display device configured by, for example, an LCD (liquid crystal display), and a maintenance item input for inputting a maintenance point when the engine is started after the vehicle maintenance is performed on the display screen. The screen is displayed.

  The operation unit 15 is for inputting information instructed by the user. When a touch panel is provided on the display screen of the display unit 14, the touch panel functions as the operation unit 15.

  The storage unit 16 uses, for example, an HDD as the storage medium, and stores information related to the vehicle (information such as standards for each part of the vehicle and replacement time) acquired from the information center. In addition, the inspection status of each part of the vehicle at the present time input by the user is stored.

  The control unit 12 is configured by a microcomputer or the like, for example, and controls each of the above units. That is, it is determined whether or not vehicle maintenance work has been performed, and when the maintenance work has been performed, a screen for inputting maintenance items is displayed on the screen of the display unit 14.

  In the vehicle-mounted device 10 configured as described above, when maintenance of the vehicle is performed, a screen for inputting maintenance items is displayed when the engine is started after maintenance. This saves the trouble of displaying the maintenance item input screen and makes it possible to easily update the inspection items to the latest state.

  The dealers and users who have inspected the vehicle on this maintenance item input screen can input the inspected items and update the inspection items, thereby contributing to providing accurate information on the time for replacement of equipment and equipment. Become.

  In addition, when displaying the maintenance item input screen, an item estimated to have undergone maintenance is displayed. Thereby, display of unnecessary maintenance items is suppressed, and it becomes possible to efficiently input information on maintenance items.

  Below, the display process of the maintenance item input screen performed in the vehicle-mounted apparatus 10 which concerns on this embodiment is demonstrated, referring FIGS. 2-4.

  FIG. 2 shows an example of a maintenance item input screen displayed on the display screen of the display unit 14. FIG. 2A is a maintenance mode screen that is displayed when it is determined that vehicle maintenance has been performed when the engine is started. This maintenance mode screen is displayed in such a manner that maintenance items (in the example of FIG. 2A, oil replacement 22a, tire replacement 22b, consumable 22c, and periodic inspection 22d) can be selected. The consumable 22c includes, for example, a battery and a wiper. In addition, the periodic inspection 22d covers all parts and consumables that are subject to maintenance in the statutory periodic inspection.

  Further, in the transition trigger location display area 23, the positions of various sensors serving as a trigger for transition to the maintenance mode are displayed in a manner different from the positions of the sensors not serving as the transition trigger. For example, a schematic diagram 23a of the vehicle is displayed in the transition trigger location display area 23 of FIG. 2A, and the vehicle bonnet open / close detection sensor 23b and the sensor 23c for detecting the presence / absence of tires are replaced with the other sensors 23d and 23e. It is displayed in a different manner. In addition, in this transition trigger location display area 23, you may make it display the sensor used as the object of the transition trigger in list format instead of the schematic diagram of a vehicle.

  The “history” button 24 displayed on the maintenance screen 21a in FIG. 2A is a button for instructing display of a maintenance execution history. The “Close” button 25 closes the maintenance mode screen 21a and displays a screen designated to be displayed normally, such as a navigation screen.

  2B is a maintenance mode screen 21b that is displayed when the vehicle is maintained, as in FIG. 2A. Unlike the maintenance mode screen 21a of FIG. 2A, FIG. An example is shown in which the places where the ”is performed are limited and displayed.

  For example, it is assumed that the signal from the vehicle maintenance trigger detection unit 11 is only a signal for opening and closing the hood. In this case, it is determined that maintenance is performed on parts in the engine room, battery replacement, engine oil replacement, and the like are performed, and vehicle undercarriage inspection such as tire replacement is not performed. On the other hand, when the signal from the vehicle maintenance trigger detection unit 11 is only a signal for the presence / absence of a tire, it is determined that the tire has been replaced but the oil has not been replaced.

  FIG. 2B is an example of the maintenance mode screen 21b displayed at this time, and only the tire replacement 22b and the consumable 22c are displayed as maintenance items. Further, in the schematic diagram 23a of the vehicle displayed in the transition trigger location display area 23, a sensor 23c for detecting the presence or absence of a tire is displayed in a manner different from other sensors.

  In this way, the position of the sensor that detects a signal that triggers vehicle maintenance and the maintenance target component corresponding to the sensor position are managed in association with each other, and items that are not being maintained are displayed on the maintenance mode screen. By not doing so, the maintenance information can be updated efficiently.

  When only a part of the maintenance items are displayed as in the maintenance mode screen 21b of FIG. 2B, a “list” button 26 is prepared. When the “list” button 26 is selected, the screen shifts to the maintenance mode screen 21a of FIG. 2A in which all maintenance items are displayed. A “close” button 25 is also prepared in the maintenance mode screen 21b of FIG. 2B, and when the “close” button 25 is selected, the screen is shifted to a normally displayed screen such as navigation.

  Note that the maintenance mode screen shown in FIG. 2A or FIG. 2B is merely an example. Actually, the maintenance mode screen is displayed according to other maintenance items such as a brake pedal and a steering wheel. Is configured.

  FIG. 2C shows a maintenance history screen 27 displayed by selecting the “history” button 24 displayed on the maintenance mode screen 21 a of FIG.

  In the maintenance history screen 27 of FIG. 2C, a list is displayed in a list format so that it can be seen which parts are the objects of maintenance. For example, as shown in the list 28a, the engine oil subject to maintenance, the standard of the engine oil, and the recommended replacement time are displayed as "engine oil: 10W-40SL: d + 5000km / y1 year m1 / d1 day" Has been.

  By selecting the “Return” button 29 on the maintenance history screen 27 in FIG. 2C, the screen is shifted to the previous screen, that is, the maintenance mode screen (21a or 21b).

  FIG. 3 shows an example of the maintenance item input screen. FIG. 3A shows a maintenance item input screen 31a displayed when “oil change” 22a is selected from the maintenance items (22a to 22d) shown in FIG.

  In this maintenance item input screen 31a, “oil change” is displayed in the maintenance target display area 32, and engine oil 33a, oil filter 33b, mission oil 33c, and brake oil 33d are displayed as specific maintenance items in a selectable manner. ing.

  Further, a schematic diagram 36a of the vehicle is displayed in the maintenance item display area 36, and a corresponding portion of maintenance is displayed. For example, in the schematic diagram 36a of the vehicle in FIG. 3A, engine oil 36d, brake oil 36e, battery 36f, power steering fluid 36g, and washer fluid 36h are displayed as maintenance points.

  In addition, a “replacement” button 34, a “replenishment” button 35, and a “return” button 37 are displayed. When the “replacement” button 34 is selected after any maintenance item is selected, the replacement of the maintenance item is input to the in-vehicle device 10, and “replenishment” is selected after any maintenance item is selected. When the button 36 is selected, it is input to the in-vehicle device 10 that the maintenance item has been replenished. When the “return” button 37 is selected, the screen is shifted to the previous screen, that is, the maintenance mode screen (21a or 21b).

  When the “engine oil” button 33a of the maintenance item is selected on the maintenance item input screen 31a of FIG. 3A, the display mode is changed to indicate that the button 33a has been selected, and the corresponding part of the maintenance part display area 36a is displayed. Displayed blinking. As shown in the maintenance item display area 36 of FIG. 3A, when the “engine oil” button 33a is selected, the engine oil 36d at the maintenance location is displayed in a mode different from other maintenance locations.

  FIG. 3B shows a display screen after the “engine oil” button 33 a is dragged and dropped to the “replacement” button 34 in FIG. That is, when the maintenance information that the engine oil has been changed is recorded in the storage unit 16, the maintenance content information is displayed in the maintenance item display area 36. For example, the maintenance item is engine oil, and information such as the date and time when the engine oil was replaced, the standard of the engine oil, and the recommended replacement time is displayed.

  Information such as these standards and recommended replacement times is obtained from the information center (for example, the vehicle manufacturer's website) that provides such information via the Internet and stored in the storage unit 16. Use.

  By selecting the “return” button 37 on the maintenance item input screen shown in FIG. 3A or 3B, the screen shifts to the maintenance mode screen shown in FIG. 2A or 2B. At this time, as shown in the maintenance item input screen of FIG. 3B, the item selection button is a non-input selection button so as to indicate that an item for which information related to engine oil has already been input has been input. You may make it display by changing a mode.

  Next, the maintenance item input screen display process performed in the control unit 12 of the in-vehicle device 10 according to the present embodiment will be described with reference to the flowchart of FIG.

  First, in the first step S11, maintenance information is recorded. The maintenance information is information indicating that the vehicle has been maintained, and indicates that the state of the vehicle component has changed. This information corresponds to the information of the sensor installed at the position where the state change of the vehicle part can be detected.

  For example, a sensor that senses the opening and closing of the bonnet is used to estimate that maintenance has been performed on components arranged in the bonnet. In addition, in order to determine that maintenance of each part in the bonnet has been performed, a sensor for monitoring the amount of engine oil and the like, a sensor for detecting the opening and closing of the oil lid, and a sensor for detecting the removal of the battery Is used.

  Further, in order to determine that the tire has been inspected, a sensor for detecting the inclination of the vehicle body, a sensor for determining the presence or absence of the tire, a sensor for determining the load applied to the suspension, and the like are used.

  Information from these sensors is acquired, and data on the state change of the parts detected by each sensor is stored in the storage unit 16.

  In the next step S12, it is detected that the ignition switch is turned on and the engine is started.

  In the next step S13, the maintenance information stored in the storage unit 16 in step S11 is acquired.

  In the next step S14, it is determined whether or not the vehicle has been maintained. That is, when it is detected from the maintenance information stored in the storage unit 16 that there has been a change in the state of the vehicle parts such as the bonnet being opened or the absence of tires, it is determined that the vehicle has been maintained. When it is determined that there is maintenance, the process proceeds to step S15, and when it is determined that maintenance is not performed, the process ends.

  In the next step S15, a maintenance item input screen is displayed. The maintenance item input screen first displays a maintenance mode screen as shown in FIG. 2 (a) or FIG. 2 (b). After the maintenance mode screen is displayed, a detailed maintenance item input screen as shown in FIG. 3A is displayed when the user selects a maintenance item.

  In the next step S16, it is determined whether or not the maintenance item has been input. The maintenance items are displayed by a dealer who is in charge of maintenance by displaying a maintenance item input screen or a user who has received a list of maintenance items from the dealer. When the input of all the maintenance items is completed, the dealer or the user ends by selecting the “Close” button from the maintenance mode screen. When the “close” button 25 is selected, it is determined that the maintenance item has been input.

  Even when all the maintenance items have not been input, if the “close” button 25 is selected, the maintenance mode is forcibly stopped and the process proceeds to step S18.

  When the maintenance item has not been input, the process proceeds to step S17. The state where the maintenance item has not been input is a case where the user has not input anything while the maintenance mode screen is displayed.

  In the next step S17, it is determined whether or not a predetermined time has elapsed. When the maintenance mode screen is displayed for a predetermined time, the maintenance mode is stopped and the process proceeds to step S18.

  In step S18, the display of the maintenance item input screen is terminated, a display screen that is normally displayed, such as a navigation screen, is displayed, and the present processing is terminated.

  As described above, in the in-vehicle apparatus according to the present embodiment, when the vehicle engine is turned on after the vehicle maintenance is performed, the maintenance item input screen for automatically inputting the vehicle inspection location is displayed. ing. This saves the trouble of displaying the maintenance item input screen and makes it possible to easily update the inspection items to the latest state.

  In addition, when displaying the maintenance item input screen, an item estimated to have undergone maintenance is displayed. Thereby, display of unnecessary maintenance items is suppressed, and it becomes possible to input maintenance items efficiently.

  In the present embodiment, the trigger for displaying the maintenance mode screen is determined based on the information of sensors provided in each part of the vehicle. However, the present invention is not limited to this. For example, the dealer is a facility where the vehicle performs vehicle inspection. Or it may be triggered by entering a car shop. In this case, a GPS device (not shown) for detecting the current position of the vehicle is provided, and the current location is detected by receiving radio waves from GPS satellites. Further, a map database (not shown) in which facility information is stored is provided, and it is determined that the host vehicle has entered a specific facility such as a dealer.

10: In-vehicle device,
11 ... Vehicle maintenance trigger detection unit,
12 ... control unit,
13 ... Vehicle information acquisition unit,
14 ... display part,
15 ... operation part,
16 ... storage part,
21a, 21b ... maintenance mode screen,
22a-22d ... maintenance items,
23 ... Transition trigger location display area,
24 ... History button,
25 ... Close button,
26 ... List button,
27 ... Maintenance history display screen,
28 ... maintenance history item,
29 ... Back button,
31a, 31b ... maintenance item input screen,
32 ... maintenance item display area,
33a-33d: Maintenance detail items,
34 ... Exchange button,
35 ... Refill button,
36: Maintenance item display area.

Claims (7)

Detecting means for detecting a state change of each component constituting the vehicle;
A display means for displaying a maintenance item input screen for inputting a vehicle inspection point;
Storage means for storing state change data of each component;
Control means for storing state change data of each part acquired from the detection means in the storage means;
With
The control means displays the maintenance item input screen on the screen of the display means when the vehicle engine is started when it is determined that the maintenance of the vehicle has been performed based on the state change data of each component. In-vehicle device.   The said control means determines that the maintenance of the said vehicle was performed when there was a state change of one of the state change data of each said part acquired from the said detection means. The vehicle-mounted device according to 1.   The in-vehicle device according to claim 2, wherein the control unit estimates a part to be maintained based on the state change data of each part acquired from the detection unit.   The in-vehicle device according to claim 3, wherein the control unit generates a maintenance item input screen limited to a maintenance item corresponding to the part to be maintained and displays the maintenance item input screen on the screen of the display unit.   5. The control means causes the maintenance item input screen to be displayed again on the screen of the display means when maintenance information is not input on the maintenance item input screen and the engine is started thereafter. The in-vehicle device described in 1.   The detection means includes at least a sensor for detecting opening / closing of a vehicle bonnet, a sensor for determining the presence / absence of a tire, a sensor for monitoring the amount of fluid, a sensor for detecting opening / closing of an oil lid, a sensor for detecting tilt of a vehicle body, a suspension The vehicle-mounted device according to claim 1, further comprising: a sensor that determines a weight applied to the battery, and a sensor that monitors a change in battery voltage.   The in-vehicle device according to claim 1, wherein the control unit determines that the maintenance of the vehicle has been performed when the vehicle enters a facility for inspecting the vehicle.

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