JP4805763B2 - Car navigation system - Google Patents

Description

  The present invention relates to an in-vehicle navigation device, and more particularly to an in-vehicle navigation device adapted to provide warning and guidance information related to parking / stopping based on parking / stopping in a parking / prohibited area.

  In a typical in-vehicle navigation device, a control device that controls all processing related to navigation, a storage device such as a CD-ROM or DVD-ROM that stores map data, a display device such as an LCD monitor, and the current position of the vehicle A GPS receiver for detecting the vehicle, a gyro, a vehicle speed sensor, and the like (self-contained navigation sensor) for detecting the direction and travel speed of the vehicle are provided. Then, the control device reads out map data including the current position of the own vehicle from the storage device, draws a map image around the own vehicle position on the screen of the display device based on the map data, and presents the current position of the own vehicle. The vehicle position mark indicating is superimposed and displayed on the screen, the map image is scrolled according to the movement of the vehicle, the map image is fixed on the screen and the vehicle position mark is moved, You can see at a glance where your vehicle is currently driving.

  The in-vehicle navigation device is equipped with a function (route guidance function) that guides a user (typically, a driver) so that the user can easily travel on the road without making a mistake. According to this route guidance function, the optimal route connecting from the starting point to the destination is automatically searched by performing simulation calculation such as horizontal search method or Dijkstra method using map data, and the searched route is the guide route. As the vehicle is traveling, the guidance route is displayed on the map image so that it can be distinguished from other roads (for example, the color is changed or the line width is increased), and the vehicle is displayed on the guidance route. When approaching an intersection whose course is to be changed within a predetermined distance, a guide map of the intersection (such as an enlarged map of the intersection and an arrow indicating the direction of travel at the intersection) is displayed on the map image. The user is able to grasp the optimum route toward the destination.

  In this case, the storage device that stores the map data includes not only information on roads and facilities, but also information on traffic laws and regulations (speed limit, one-way, temporary stop, parking (stop) parking prohibition, time-limited parking section Etc.) are often stored, and information from a means called VICS (Road Traffic Information Communication System) that can obtain real-time traffic information such as traffic jams can be obtained. Based on the information on these traffic laws and real-time traffic information, the speed limit of the road that is running and the fact that the parked (stopped) location is a parking (stopped) prohibited area is displayed on the display screen. Or displaying traffic congestion on the display screen.

As a technique related to the above prior art, for example, as described in Patent Document 1, in a vehicle travel guidance device with a traffic regulation information notification function, it is detected that a vehicle is parked in a parking prohibited zone. Some warnings are given by display or voice announcement.
JP 2000-337915 A

  As described above, in conventional in-vehicle navigation devices, information related to traffic regulations such as one-way traffic, temporary suspension, and parking (stop) parking is already stored in map data together with information on roads and facilities. In many cases, the current technology is not fully utilized.

  In addition, if an act that violates traffic regulations, such as reverse running on a one-way road or parking (stop) in a parked (stop) vehicle prohibited area, it will not be possible to check it and comply with the traffic regulations. Whether it depended on the common sense or knowledge of the driver. For this reason, it was not possible to make up for the lack of knowledge of drivers who have little driving experience. In addition, there was no means to confirm when a driver overlooked a traffic sign prohibiting parking (stop) as well as reverse running on a one-way street.

  In the technique described in Patent Document 1 described above, such inconvenience can be dealt with. However, in the technique disclosed in Patent Document 1, when a vehicle is parked in a parking prohibited zone, a warning is given by a display or voice announcement. However, it has not yet reached information guidance for the convenience of the user regarding parking and stopping in advance (notice that the traffic regulations are violated or notification that the traffic regulations are violated).

  In addition, regardless of whether or not the parking prohibited zone is a zone with time zone restrictions, only warnings are given uniformly, so for example, when parked in a parking zone where parking hours are restricted However, even if the time is outside the parking and parking prohibition time (a time zone during which parking and parking is possible), the information guidance to that effect is not performed, which is inconvenient for the user and there is room for improvement.

  The present invention was created in view of the problems in the prior art, and when parking in a parking / parking prohibited area with a time zone restriction, a warning is given in consideration of the time zone and guidance information on parking / stopping is provided. Then, an object is to provide a vehicle-mounted navigation device that can contribute to the prevention of violation of traffic laws in the area and the convenience of parking and stopping.

In order to solve the above-described problems of the prior art, according to one aspect of the present invention , a storage unit that stores map data including information on traffic regulations, a position detection unit that detects the current position of the vehicle, and a screen are provided. Display means for providing guidance information, and control means operably connected to the storage means, the position detection means, and the display means, and the control means is based on a vehicle state signal. upon detecting a parked, the vehicle position detected by said position detecting means by referring to the map data, in no event where I parked a parking and stopping prohibited zone with time restrictions 該駐When the parking / stopping time in the stop-prohibited area falls outside the stop / stop time, a warning to that effect is displayed on the screen of the display means, and the remaining time that can be parked is calculated and guidance information to that effect also displayed together Vehicle navigation system is provided for causing.

According to the vehicle-mounted navigation device according to this aspect , when the parking / stopping of the host vehicle is detected, the map data including information on traffic regulations and the vehicle position are referred to , and the parked / parked location is limited to the time zone. When the parking / stopping time falls outside the parking / stopping hours in a certain parking-prohibited zone, a warning to that effect (warning that the traffic law is violated) is displayed on the display means screen, Information about parking and stopping (remaining time that can be parked and stopped) is also displayed. In other words, not only a warning that traffic law is violated (for example, a warning message such as “This is a parking prohibition from 17:00”), but also information on parking and stopping based on the warning (for example , “ After ” "We can park and stop for 30 minutes").

Thus, the it is possible to achieve the prevention of traffic laws violations in parked prohibited area, together, it is possible to achieve the convenience of the user with respect parked by displaying the remaining time capable parked, very useful It is.

  Other structural features of the vehicle-mounted navigation device according to the present invention and specific processing modes based thereon will be described in detail with reference to embodiments of the invention described later.

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

  FIG. 1 is a block diagram showing the configuration of an in-vehicle navigation device according to an embodiment of the present invention.

  The in-vehicle navigation device 20 of the present embodiment includes a DVD drive 1 (including a DVD 1a), an operation unit 2, a GPS receiver 3, a self-contained navigation sensor 4, a communication device 5, and a VICS receiver as illustrated. 6, an in-vehicle camera 7, a display device 8, a speaker 9, and a navigation device body 10. The navigation device body 10 is constituted by a microcomputer or the like, and performs drawing processing such as a map and a vehicle position mark, route search processing, map matching, and vehicle position correction processing based on the map, as will be described later. In particular, as processing related to the present invention, as will be described later, a warning when parking in a parking and parking prohibited area with a time zone restriction and display of guidance information on parking and stopping based on the warning are controlled.

  Map data is stored in a DVD (DVD-ROM) 1a driven by the DVD drive 1, and this map is appropriate according to the scale level such as 1/1500, 1/25000, 1 / 50,000, 1/10000, etc. It is divided into a longitude width and a latitude width, and a road or the like is represented by a coordinate set of points (nodes) expressed in longitude and latitude. A road is formed by connecting two or more nodes, and a portion connecting two nodes is called a link. Map data is composed of various layers. For example, road layers for map matching and route search consisting of road lists, node tables, intersection configuration node lists, intersection net lists, etc., roads, buildings, facilities, It consists of a background layer for displaying parks, rivers, administrative division names, road names, intersection names, names of buildings and facilities, characters such as addresses, character / symbol layers for displaying map symbols, etc. ing. Of these, the background layer also includes information relating to traffic regulations (traffic sign data such as “parking / parking prohibition”, “parking prohibition”, “time-limited parking section”), in particular, as information relating to the present invention. . In the present embodiment, a DVD-ROM is used as a recording medium for storing map data. However, instead of this, another recording medium such as a CD-ROM or HDD may be used.

  The operation unit 2 is for operating the navigation device body 10 and has, for example, a remote control transmitter connected to the navigation device body 10 by infrared communication or the like. Although not specifically illustrated, the remote control transmitter displays various operation screens on the display device 8, selects various menus and various items on the screen, and performs various operations for executing the selected menus and the like. Buttons, joysticks, etc. are provided. The form of the operation unit 2 may be an “operation panel” fixedly provided on the center console in addition to the remote control transmitter. The GPS receiver 3 receives radio waves transmitted from a plurality of GPS satellites with an antenna, detects the longitude and latitude of the current position of the vehicle, performs a three-dimensional positioning process, etc., and performs the absolute position and orientation of the vehicle Is calculated. The vehicle direction can be calculated based on the current vehicle position and the current vehicle position one sampling time before. The self-contained navigation sensor 4 is composed of an angle sensor such as a gyro for detecting the vehicle direction of the own vehicle, a distance sensor that generates a pulse at every fixed travel distance, and the like, and the relative position and direction of the own vehicle are determined by these sensors. calculate.

  The communication device 5 is composed of an in-vehicle phone, a mobile phone, etc., and communicates with an external information center or the like that provides a map data distribution service, as will be described later, to obtain the latest necessary map information or designated by each prefectural police. It is used to obtain information on the “priority control area / time zone” that is being used or to notify the user of warning information at a predetermined timing while leaving the vehicle. The VICS receiver 6 receives real-time traffic information such as road congestion sent from a radio wave beacon, an optical beacon or the like installed on the road shoulder of the traveling road, and outputs it to the control unit 12. The in-vehicle camera 7 is installed at an appropriate location of the vehicle. For example, one in-vehicle camera (with the lens facing the front of the vehicle) is provided in the vicinity of the rear-view mirror in front of the driver's seat in the passenger compartment.

  The display device 8 includes an LCD monitor or the like, and is installed above the operation unit 2 on the center console. This display device 8 basically has navigation information based on control from the navigation device body 10 (a map around the vehicle position, a guide route from the departure point to the destination, a vehicle position mark, etc. ) Is displayed on the screen, and further warning information when parking in a parking and parking prohibited area with a time zone restriction performed in the device 20 as described later and guidance information on parking and stopping based on the warning are displayed on the screen. It is. A predetermined number of speakers 9 are installed at predetermined locations in the vehicle interior (for example, two each near the left and right of the front seat and two near the left and right of the rear seat). Based on this control, the guidance information related to the navigation, the warning, and the guidance information based on the warning are output by voice.

  In the navigation device body 10, reference numeral 11 denotes a buffer memory that temporarily stores map data read from the DVD 1 a via the DVD drive 1, and 12 denotes a control unit that forms the center of the navigation device body 10. Although not specifically shown, the control unit 12 incorporates various programs that define processing to be executed, and further incorporates a timer function that is used when performing specific processing, as will be described later.

  The control unit 12 performs processing according to various built-in programs, basically stores data on the absolute position and direction of the host vehicle output from the GPS receiver 3, and stores the host vehicle output from the autonomous navigation sensor 4. From the DVD 1a, map data of a range (a required range including the current position of the vehicle) to be displayed by calculating the estimated vehicle position of the vehicle based on the relative position and direction data of the vehicle or controlling the DVD drive 1 is displayed. Data read out from the buffer memory 11 and searched for a guidance route from the starting point (vehicle position) to the destination under the search conditions set using the map data, and the map data and data output from the autonomous navigation sensor 4 The map matching process is performed every predetermined mileage or every predetermined time using and to correct the position of the vehicle on the traveling road, and the traffic regulations included in the map data Etc. or to display the location and the like of the traffic jam on the screen of the display device 8 on the basis of the real-time traffic information output from the broadcast and VICS receiver 6, and executes various processing according to the navigation. Further, as a process related to the present invention, the control unit 12 provides warning information when parking in a parking / parking prohibited area with a time zone restriction performed in the device 20 as described later, and guidance information on parking / stopping based on the warning. Controls processing related to display and the like. In a specific embodiment, a hazard lamp blinking control signal or a horn sounding control signal is generated and output to the device.

  In addition, a vehicle state signal output from various in-vehicle sensors or the like is input to the control unit 12. For example, a signal indicating each shift position (P, R, N, D in the case of an AT car) output from the shift position sensor, and a steering angle corresponding to the rotation amount of the steering operation output from the steering angle sensor For example, an engine start / stop signal based on an ignition key on / off operation, a door opening / closing signal based on a door opening / closing operation, and the like. Of these, the shift position (signal) and the engine start / stop signal are used to detect whether or not the host vehicle is parked or stopped, as will be described later. It is used to detect whether or not you get off.

  Reference numeral 13 denotes a map drawing unit that performs map image drawing processing using map data read to the buffer memory 11 based on control from the control unit 12, and reference numeral 14 denotes various menu screens (operation screens) depending on the operation status. An operation screen / mark generator 15 for generating various marks such as a vehicle position mark and a cursor, and 15 are used to store data on all nodes from the starting point (vehicle position) to the destination of the guidance route searched by the control unit 12. A guide route storage unit 16 for storing, reads data of the guide route from the guide route storage unit 15 based on the control from the control unit 12, and displays the guide route different from other roads (for example, The guide route drawing unit for drawing by changing the color or increasing the line width is shown.

  Reference numeral 17 denotes an image composition unit. Based on the control from the control unit 12, the map route drawn by the map drawing unit 13 is guided to the guide route drawn by the guide route drawing unit 16 and the operation screen / mark generation unit 14. It has a function of superimposing the generated various menu screens and various marks on the screen of the display device 8. Further, as a process related to the present invention, the image compositing unit 17 warns when parking in a parking and parking prohibited area with a time zone restriction performed in the apparatus 20 as described later, and guidance information on parking and stopping based on the warning. Is also displayed on the screen of the display device 8. Reference numeral 18 denotes an audio output unit, which outputs the guidance information related to the navigation, the warning, and the guidance information based on the guidance to the speaker 9 as audio signals based on the control from the control unit 12.

  In the in-vehicle navigation device 20 having the above configuration, the DVD drive 1 (including the DVD 1a) is the “storage means”, the GPS receiver 3 is the “position detection means”, and the communication device 5 is the “communication means”. The camera 7 corresponds to “imaging means”, the display device 8 corresponds to “display means”, and the control unit 12 corresponds to “control means”.

  Hereinafter, a diagram showing an example of processing related to display of warning information and guidance information about parking / stopping when parked in a parking / parking-prohibited area with time zone restrictions performed in the in-vehicle navigation device 20 according to the present embodiment This will be described with reference to FIG. In addition, a supplementary explanation will be given with reference to FIG.

  First, as an initial state, it is assumed that the vehicle is traveling on a road. In this state, in the first step S1, the control unit 12 determines whether or not the own vehicle has parked (YES) based on the input vehicle state signal (here, the shift position signal and the engine start / stop signal) ( NO). If the determination result is YES, the process proceeds to step S2, and if the determination result is NO, the process flow is “end”.

  In the next step S2, the control unit 12 refers to the data (own vehicle position) acquired from the GPS receiver 3 and the map data of the required range (including the current position of the own vehicle) read to the buffer memory 11. Then, it is determined whether the parked / parked place is a parking / parking prohibited area with a time zone restriction (YES) or not (NO). This determination is made based on whether or not a “parking / parking prohibition” traffic sign is installed at the parking / parking location. If the determination result is YES, the process proceeds to step S3, and if the determination result is NO, the process proceeds to step S4.

  In step S3, based on the timer function, the control unit 12 refers to the time when the vehicle is parked and stopped in the parking and parking prohibited area, and the parking and parking time is within the parking and parking prohibited time (YES) or not (NO). Determine whether. If the determination result is YES, the process proceeds to step S5, and if the determination result is NO, the process proceeds to step S6.

  In step S5, a warning to that effect is displayed on the screen on the display device 8 via the image composition unit 17 based on the control from the control unit 12, and the route to the nearest parking lot searched by the control unit 12 Display guidance information. Instead of displaying via this screen, based on control from the control unit 12, the speaker 9 is caused to output a warning to that effect and guidance information to the nearest parking lot via the audio output unit 18. You may do it. Or you may make it perform the display via the screen of the display apparatus 8, and the audio | voice output via the speaker 9 simultaneously. Then, this processing flow is “end”.

  An example of the warning performed in step S5 and the display of guidance information regarding parking and stopping are shown in FIG. In the example shown in the figure, when the own vehicle 30 is parked in a parking prohibited area where the traffic sign M1 of “parking and parking prohibited” is installed, for example, when the parking time is 19:30 , With the warning message "Do not park or stop at this time of day" and the guidance information "Do you want to start guidance to the nearest parking lot?" It shows. The guidance information may be “I will guide you to the nearest parking lot” instead of “Do you want to start guidance to the nearest parking lot?”.

  On the other hand, in step S 6, based on the control from the control unit 12, the display device 8 displays a warning to that effect on the screen via the image composition unit 17, and the parking amount calculated based on the timer function of the control unit 12. (Stop) Displays information on remaining time available for driving. As in the case of step S5, instead of displaying via the screen, audio output via the speaker 9 may be performed, or display and audio output may be performed simultaneously. Good. Then, this processing flow is “end”.

  An example of the warning performed in step S6 and the display of guidance information regarding parking and stopping are shown in FIG. In the example shown in the figure, when the host vehicle 30 is parked and stopped in a parking and parking prohibited area where the traffic sign M1 of “parking and parking prohibited” is installed, for example, when the parking and stopping time is 16:30 , Together with a warning message “This is a parking ban from 17:00” and a guide image of “you can park and stop for another 30 minutes” is displayed (voice output). .

  On the other hand, in step S4 (when no “parking / parking prohibition” traffic sign is installed at the parking / parking location), the control unit 12 stores the data (vehicle position) acquired from the GPS receiver 3 and the buffer memory 11. With reference to the read map data of the required range (including the current position of the vehicle), it is determined whether the parked / parked location is a time-limited parking section (YES) or not (NO). This determination is made based on whether or not a traffic sign for “time-limited parking section” is installed at the parked / parked place. If the determination result is YES, the process proceeds to step S6, and if the determination result is NO, the process flow is “end”.

  FIG. 3C shows an example of a warning that is given when the process proceeds from step S4 (YES) to step S6 and guidance information about parking and stopping. In the example shown in the figure, when the own vehicle 30 is parked in the area where the traffic sign M2 of the “time limited parking section” is installed, for example, when the parked time is 12:00, Along with the warning message “This is a time-limited parking section,” the image shows the state when the guidance information “You can park for another 60 minutes” is displayed (voice output).

  As described above, processing related to the display of warning information and guidance information about parking / stopping in the vehicle-mounted navigation device 20 according to the present embodiment when parked / parked in a parking / parking-prohibited area with time zone restrictions (FIG. 2) According to FIG. 3), when the parking / stopping of the host vehicle is detected, the map / parking location including information on traffic regulations and the position of the host vehicle are referred to. When it is a prohibited area or a time-limited parking section, a warning corresponding to the restricted time zone is displayed on the screen of the display device 8 (sound output through the speaker 9) and guidance information on parking and stopping ( Information on the nearest parking lot and information on the remaining time that can be parked (stopped) is also displayed (voice output). In other words, information about parking and stopping is also provided at the same time as a warning message that the traffic law is violated.

  This makes it possible to prevent violations of traffic laws and regulations in the area and to make it easier for the user to park and stop. In addition, since the warning is given in consideration of the restricted time zone, for example, even when the parking time is outside the parking and parking prohibition time (time zone where parking and parking is possible), information guidance is provided accordingly. Therefore, the convenience of the user can be greatly improved.

  In the above-described embodiment, the determination as to whether the place / time (time) at which the vehicle is parked / stopped corresponds to the parking / parking prohibited area / time zone is determined based on the in-vehicle map database, the vehicle position, and the timer function of the control unit 12. As explained in this example, the location / time (time) of parking / stopping is designated by each prefectural police as “priority control zone / time zone” (parking / parking violation control from 2006/6/1) The present invention can be applied in the same manner even in the case of a zone / time zone in which private surveillance personnel are entrusted with a private contractor. In this case, when the vehicle is parked or stopped, access to the police station that has jurisdiction over the area including the current position of the vehicle, and that the location / time (time) falls under the priority control area / time zone. When the information is acquired, a warning to that effect and guidance information for the nearest parking lot are displayed (voice output) in the same manner as the processing performed in step S5 of FIG.

  An example of the warning and the display of guidance information regarding parking and stopping in this case is shown in FIG. In the example shown in the figure, when the own vehicle 30 is parked and stopped in a parking and parking prohibited area where the traffic sign M of “parking and parking prohibited” is installed, the location / time (time) is further externally connected via the communication device 5. When receiving information indicating that it falls under the priority control area / time zone, “This location / time corresponds to the priority area (priority route) / priority time zone entrusted by the private parking enforcement agency”. Together with the warning message “The guide information to the nearest parking lot is started?” Is shown in an image. The guidance information may be “I will guide you to the nearest parking lot” instead of “Do you want to start guidance to the nearest parking lot?”.

  In the above-described embodiment, the description has been given by taking as an example a case where warning and information guidance on parking and stopping are performed on the assumption that the user is still on the vehicle when parked and stopped in a parking and parking prohibited area. When the user gets off and leaves the vehicle when parked in the area, it does not make sense to perform the above-described processing (FIGS. 2 to 4). An embodiment that can cope with such a case will be described below with reference to FIG. In addition, a supplementary explanation will be given with reference to FIG.

  First, as an initial state, it is assumed that the own vehicle is traveling on the road as in the case of the processing flow in FIG. 2, and the user always uses a mobile phone (mobile phone 40 in FIG. 6) regardless of getting on / off. Assume that you have the power on.

  In this state, in the first step S11, in the same manner as the process performed in step S1 of FIG. 2, the control unit 12 parks and stops the own vehicle based on the vehicle state signal (shift position and engine start / stop signal). It is determined whether (YES) or not (NO). If the determination result is yes, the process proceeds to step S12, and if the determination result is no, the process flow is “end”.

  In the next step S12, the control unit 12 refers to the vehicle position calculated by the GPS receiver 3 and the map data of the required range (including the current position of the vehicle) read to the buffer memory 11, It is determined whether the parked / parked location is a parking / parking prohibited area with a time limit (YES) or not (NO). This determination is made based on whether or not a traffic sign for the “time limited parking section” (traffic sign M2 shown in FIG. 3C) is installed at the parked and stopped place. If the determination result is YES, the process proceeds to step S13, and if the determination result is NO, the process flow is “end”.

  In the next step S13, the control unit 12 determines whether the user has exited (YES) or not (NO) based on the vehicle state signal (here, the shift position signal, the engine start / stop signal, and the door open / close signal). To do. If the determination result is YES, the process proceeds to step S14, and if the determination result is NO, the process proceeds to step S15.

  In step S14, the control unit 12 specifies the time when the user got off based on the timer function, and the remaining time that can be parked (stopped) based on the traffic sign information of the “time limited parking section” recognized in step S12. And the countdown of the remaining time that can be parked (stopped) is started.

  In the next step S16, the control unit 12 determines whether or not a predetermined timing has been reached (YES) or not (NO) based on the timer function after the start of the countdown. If the determination result is YES, the process proceeds to step S17, and if the determination result is NO, the determination process is repeated until a predetermined timing is reached. This predetermined timing is set, for example, at a time point of 5 minutes (a time point when 55 minutes have passed) before the remaining time elapses when the remaining time for parking (stopping) is 60 minutes. In other words, when the vehicle is parked in the time-limited parking section, the available parking time is set at a time when the time is likely to expire.

  In the next step S <b> 17, based on the control from the control unit 12, the user is warned that the available parking time will soon expire. Then, this processing flow is “end”.

  As a method (means) for calling attention, the hazard lamp 31 of the host vehicle 30 is blinked by a hazard lamp blinking control signal output from the control unit 12 as schematically shown in FIG. Can be considered. Alternatively, a horn (not shown) may be sounded by a horn sounding control signal output from the control unit 12. Thereby, the user who has returned to the vehicle can recognize that the parking available time will soon be over, and can make preparations for moving the vehicle to another location as necessary. Further, as another method (means) for calling attention, the mobile phone 40 held by the user from the vehicle 30 side as shown in FIG. 6 (b) via the communication device 5 based on the control from the control unit 12. On the other hand, warning information indicating that “the parking available time will soon be over” may be notified. According to this method, the required information can be accurately notified only to the user, so that the method of ringing the horn (in this method, there is a possibility of disturbing the surroundings by a noisy sound). Is also desirable.

  On the other hand, in step S15 (when not getting off), in the same manner as the processing performed in step S6 in FIG. 2, the display device is connected via the image synthesis unit 17 (sound output unit 18) based on the control from the control unit 12. 8 (speaker 9) displays a warning to that effect (sound output) and displays (sound output) information on the remaining time that can be parked (stopped) calculated based on the timer function of the control unit 12 . Then, this processing flow is “end”.

  As described above, according to the embodiment of FIG. 5, even when the user gets off the vehicle and leaves the vehicle when parked in a parking stop prohibited area (time limited parking section) with a time zone restriction, Due to the blinking of the hazard lamp 31 or the like, attention can be drawn to the effect that the parking available time will soon be over. As a result, it is possible to prevent violations of traffic laws in the area and to improve the convenience of the user regarding parking and stopping.

  In each of the above-described embodiments, an example in which the determination whether the parked / parked place is a parking / parking prohibition area (step S2 in FIG. 2 or step S12 in FIG. 5) is performed with reference to the in-vehicle map database. However, it is clear from the gist of the present invention (when parking in a parking / parking prohibited area with a time zone restriction, a warning is given in consideration of the time zone and guidance information on parking / stopping is provided). Of course, it is not always necessary to use an on-board map database.

  For example, required map data may be acquired from an external information center or the like via the communication device 5 based on control from the control unit 12. In information centers that provide map data distribution services in response to user requests, processing is periodically updated to the latest map information, so when the vehicle is parked, the current location of the vehicle is By sending data to an information center or the like, the latest map information at the position can be acquired. Using the map database such as the information center in this way has the following advantages. For example, if a place that was previously a parking-prohibited zone is no longer a parking-prohibited zone, the change is not reflected in the in-vehicle map database. However, if you use a map database such as an information center that is constantly updated with the latest information, the location is not “parking and parking prohibited area (that is, parking is possible). ) ”.

  Further, as another embodiment other than a mode in which an external information center or the like is used, it is conceivable to use an image captured by the in-vehicle camera 7. That is, when the vehicle is parked or stopped, an image (information) in front of the vehicle taken by the camera 7 is read by the control unit 12, and road traffic signs (M1, M2, etc. shown in FIG. 3) are displayed in the image. If there is a warning, a warning to that effect and display of necessary guidance information can be performed at that time (when the user is not getting off) based on the control from the control unit 12, and the user gets off the vehicle. If the predetermined time has elapsed, the user can be alerted by blinking the hazard lamp or the like (FIG. 6A). Further, if necessary, the control unit 12 performs a process of converting the captured image of the camera 7 into an image viewed from the upper surface of the vehicle, and displays the area where the vehicle is parked on the screen of the display device 8. You may make it make it.

  In the processing flow shown in FIG. 5, when the vehicle is parked in the time-limited parking section, the elapsed time from when the user gets off to the predetermined timing is counted based on the timer function built in the control unit 12. Although the case has been described as an example, the form of the “trigger” for counting the elapsed time is not limited thereto, and the elapsed time is counted by setting the user setting made via the operation unit 2 or the like as the “trigger”. May be.

It is a block diagram which shows the structure of the vehicle-mounted navigation apparatus which concerns on one Embodiment of this invention. It is a flowchart which shows an example of the process which concerns on the warning at the time of the time zone restriction | limiting performed in the navigation apparatus of FIG. 1, and the display of the guidance information regarding parking, etc. when parked. FIG. 3 is a diagram (part 1) for supplementarily explaining the processing flow of FIG. 2; FIG. 3 is a diagram (part 2) for supplementarily explaining the processing flow of FIG. 2; It is a flowchart which shows an example of the process which concerns on the warning at the time of getting off when parked in the parking prohibition area with a time slot | zone restriction | limiting performed in the navigation apparatus of FIG. FIG. 6 is a diagram for supplementarily explaining the processing flow of FIG. 5.

Explanation of symbols

1a ... DVD (map database / storage means),
3 ... GPS receiver (position detection means),
4 ... Self-contained navigation sensor,
5. Communication device (communication means)
6 ... VICS receiver,
7: In-vehicle camera (imaging means),
8: Display device (display means),
9 ... Speaker,
12 ... Control part (control means),
20 ... In-vehicle navigation device,
30 ... Own vehicle,
31 ... Hazard lamp,
40 ... Mobile phone (mobile terminal),
M, M1, M2 ... road traffic signs.

Claims (8)

Storage means storing map data including information on traffic regulations;
Position detection means for detecting the current position of the vehicle;
Display means for providing guidance information via a screen;
Control means operably connected to the storage means, the position detection means and the display means,
The control means refers to the vehicle position detected by the position detection means and the map data when detecting parking / stopping of the own vehicle based on a vehicle state signal ,
When time where you parked is parked or stopped in Oite該駐stop prohibited zone when it is parked prohibited zone with time restrictions corresponds outside parked prohibition time, the display means a warning to that effect A vehicle-mounted navigation device characterized in that the remaining time that can be parked and stopped is calculated and guidance information to that effect is also displayed. The control means displays a warning to that effect on the screen of the display means when the time when the vehicle is parked or stopped in the parking and parking prohibited area with the time zone restriction falls within the parking and parking prohibited time, The in-vehicle navigation device according to claim 1, wherein a car park is searched and route guidance information to the parking lot is also displayed. Furthermore, a communication means for performing communication with the outside is provided,
When the control means detects parking / stopping of its own vehicle based on the vehicle status signal, information indicating that the parked and stopped location and time correspond to the priority control area and time zone from the outside via the communication means. The in-vehicle navigation device according to claim 1, wherein a warning to that effect is displayed on the screen of the display means and guidance information for the nearest parking lot is also displayed. In addition, with a speaker,
The control means displays a warning corresponding to the time zone when the vehicle is parked in the parking and parking prohibited area with the time zone restriction and guidance information on parking and parking on the screen of the display means, or The in-vehicle navigation device according to any one of claims 1 to 3 , wherein a sound is output from the speaker instead of being displayed on a screen.   The control means counts down the remaining time that can be parked and stopped when detecting the user's getting off when the parked and parked area is a parking and parking prohibited area with a time zone restriction, and before the remaining time elapses. The in-vehicle navigation device according to claim 1, wherein when the predetermined timing is reached, the hazard lamp of the own vehicle blinks or horns. Furthermore, a communication means for performing communication with the outside is provided,
The control means counts down the remaining time that can be parked and stopped when detecting the user's getting off when the parked and parked area is a parking and parking prohibited area with a time zone restriction, and before the remaining time elapses. The vehicle-mounted navigation device according to claim 1, wherein when the predetermined timing is reached, guidance information to that effect is notified to a mobile terminal possessed by the user via the communication means. Furthermore, a communication means for performing communication with the outside is provided,
The control means obtains, from the outside via the communication means, the own vehicle position detected by the position detection means, and a determination as to whether the parked / parked location is a parking / parking prohibition area with a time zone restriction. The in-vehicle navigation device according to claim 1, wherein the in-vehicle navigation device is performed with reference to the required map data. Furthermore, it has an imaging means for acquiring an image ahead of the host vehicle,
2. The control unit according to claim 1, wherein the control unit determines from the image information acquired by the imaging unit whether the parked / parked location is a parking / parking prohibited area with a time zone restriction. 3. Car navigation system.

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