JP2008204038A - On-vehicle system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that equipment costs and operation costs are required when a communication means for communicating with a monitor center side is provided at a vehicle side in order to specify and track the current location of a stolen vehicle. <P>SOLUTION: This on-vehicle system is configured to use an ETC onboard unit (DSRC communication equipment) and a road side communication means to be used for the automatic toll collection in an expressway, and to establish inter-vehicle communication between a stolen vehicle and a road side, without adding any special communication equipment, and to specify and track the current location of the stolen vehicle only by existing communication infrastructure. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an in-vehicle system capable of suppressing theft of a vehicle by a third party.

  In recent years, the number of automobiles such as private cars and freight cars that run on the road has been increasing year by year, and the price of a single vehicle has also improved due to the luxury orientation of consumers. Recently, there are many cases where high-priced in-vehicle devices such as car navigation devices and car TV devices are installed in automobiles. Against this background, vehicle theft crimes targeting these vehicles and in-vehicle devices are increasing year by year.

  As a self-defense means for preventing this vehicle theft, car security devices are generally sold. This is a product that detects the vibration of the vehicle, the pressure inside the vehicle, the sound pressure, the approach of the suspicious person to the vicinity of the vehicle and issues an alarm, and threatens the suspicious person to prevent theft in advance. .

  However, these car security devices can only threaten suspicious people, such as when the alarm device does not work, when the alarm device is destroyed, or when there is no one in the vicinity even if the alarm sounds. The vehicle could not be prevented from being stolen when it was invalidated.

  Therefore, as a countermeasure for such a case, an example using the prior art will be described with reference to the drawings.

  FIG. 5 is a block diagram of the prior art. The theft detection device 512 detects the vehicle theft by a third party and outputs the information to the control unit 530. The control unit 530 uses the position detection unit 510 to detect current position information of the vehicle. As a detecting means, a method of receiving a radio wave from a GPS (Global Positioning System: GPS) satellite and detecting a current position, information from a geomagnetic sensor 504, a gyroscope 506, and a distance sensor 508 are used. There is a method of detecting a relative moving direction and moving distance by using. Or they may be combined. The control unit 530 wirelessly transmits the current position information detected by the position detection unit 510 using the communication unit 526. The radio base station 541 receives this radio wave, and the current location information of the stolen vehicle is transmitted to the monitoring center 547 via the connection device 542 and the exchange 543.

With such a configuration, even if the vehicle is stolen, the current position information of the vehicle is transmitted to the monitoring center 547 by these components installed in the vehicle, and the stolen vehicle can be tracked.
JP 2002-104137 A

  However, in the configuration according to the related art as described above, the communication unit 526 for transmitting the current position of the stolen vehicle to the monitoring center 547 wirelessly is necessary, and the equipment cost and the operation cost on the vehicle side are required. In addition, on the side that receives this information, device costs such as the wireless base station 541, the connection device 542, and the exchange 543, and operation costs are incurred.

  Even in such a case, the present invention aims to track a stolen vehicle using only existing communication infrastructure.

  In order to solve the above-described problems, an in-vehicle system according to the present invention includes a car security device that detects theft of a vehicle, an ETC in-vehicle device that communicates with roadside communication means, a current position, Car navigation device that conveys road, distance, direction, etc., and vehicle control means that controls the vehicle's steering, throttle, brakes, lights, etc., no special communication device required, vehicle position information at the time of vehicle theft Is transmitted to the monitoring department in charge.

  According to the in-vehicle system of the present invention, even if the vehicle is stolen, the position of the vehicle being escaped can be transmitted to the traffic information center and the police using DSRC communication that is an existing infrastructure communication means. Enables early detection and tracking of stolen vehicles. In addition, the vehicle can be secured promptly and safely by forcibly stopping the stolen vehicle as necessary.

  Hereinafter, an example of an embodiment of an in-vehicle system of the present invention will be described with reference to the drawings.

(Embodiment 1)
FIG. 1 is a block diagram showing a configuration of an in-vehicle system according to Embodiment 1 of the present invention. Hereinafter, in the first embodiment, the configuration and operation of the present invention will be specifically described.

  In FIG. 1, reference numeral 9 denotes an ETC in-vehicle device, which includes a DSRC antenna 1, a DSRC transmission / reception unit 2, an ETC control unit 3, a user interface processing unit 4, a display unit 5, an input unit 6, and an IC card 7. The DSRC antenna 1 is a transmission / reception antenna for performing DSRC communication, and performs DSRC bidirectional communication with the roadside communication means 24 installed on the roadside. The DSRC transmission / reception means 2 demodulates the DSRC communication radio wave received from the DSRC antenna 1 and outputs it to the ETC control means 3. Alternatively, the output signal from the ETC control means 3 is modulated into a DSRC communication radio wave and output to the DSRC antenna 1. The user interface processing unit 4 cooperates with the ETC control unit 3 and the user, presents information to the user via the display unit 5, receives an input instruction from the user via the input unit 6, and receives an IC card 7 The personal identification information of the user is received via A car security device 13 includes a security control means 10, a vehicle information detection means 11, and an alarm means 12. The vehicle information detection unit 11 detects the state of the vehicle such as vehicle vibration, change in atmospheric pressure, change in sound pressure in the vehicle, approach to the surroundings of the vehicle, etc., and outputs it to the security control unit 10. The security control means 10 receives the signal from the vehicle information detection means 11, determines whether or not the vehicle is stolen, and outputs a control signal to the alarm means 12 and the ETC control means 3.

  About the vehicle-mounted system comprised as mentioned above, the operation | movement is demonstrated.

  The ETC in-vehicle device 9 is a device developed mainly for automatically collecting tolls on highways. The personal identification for identifying the vehicle and the user from the ETC in-vehicle device 9 to the roadside communication means 24 by the DSRC antenna 1 performing DSRC communication with the roadside communication means 24 installed at the upper part of the toll gate of the expressway. The information is transmitted, and the toll information on the highway is transmitted from the roadside communication means 24 to the ETC in-vehicle device 9. Through these two-way communications, it is possible to specify the vehicle and user information immediately before passing through the toll gate on the highway, and the toll gate gate opening / closing means 27 automatically opens the toll gate and makes the vehicle safe. The expressway facility operator automatically collects the toll by deducting the toll from a deposit account set in advance by the user. At this time, the toll transmitted from the roadside communication means 24 is transmitted to the user by screen display or automatic voice by the display unit 5. The personal identification information of the user is stored in the IC card 7 where data alteration is difficult.

  Recently, the DSRC communication is not only used for automatic toll collection on expressways, but also for automatic purchase of fuel purchases at gas stations and purchases of products while on board vehicles such as fast food and other restaurants. Applications are being considered for automatic toll collection in the form of purchases made possible and for automatic toll collection of parking fees at parking lots. If such DSRC application develops, there is a possibility that roadside communication means 24 will be installed on traffic lights and road signs on main roads, and DSRC road-to-vehicle communication on all roads will be possible.

  On the other hand, when a third party other than the user invades the inside of the vehicle for the purpose of theft or attempts to move the vehicle with respect to the vehicle on which the car security device 13 is mounted, The sound pressure changes, or the vehicle itself vibrates due to door opening / closing action, vehicle entry action, and vehicle transport action. It is also necessary to approach the vehicle for intrusion. The vehicle information detection means 11 detects changes in the interior and surroundings of the vehicle such as the detection of changes in the atmospheric pressure of the vehicle, the detection of changes in the sound pressure of the vehicle, the detection of vehicle vibrations, and the detection of approach to the surroundings of the vehicle. Is output. The security control unit 10 uses the information obtained from the vehicle information detection unit 11 to determine whether or not the vehicle is in a stolen state. If it is determined that the vehicle has been stolen, an alarm signal is output to the alarm means 12, and the alarm means 12 emits a loud sound to notify that an abnormality has occurred around the suspicious person. This makes it possible to prevent vehicle theft.

  However, if the alarm means 12 does not emit an alarm sound for some reason, or if the alarm means 12 is destroyed by an intruder and the alarm sound is forcibly stopped, the vehicle is stolen because there are no people around. Is not recognized by anyone, the car security device 13 has no way of preventing vehicle theft.

  Therefore, the security control means 10 outputs a vehicle theft detection signal to the ETC control means 3 when detecting the theft of the vehicle. When receiving the vehicle theft detection signal, the ETC control means 3 transmits a theft occurrence signal to the roadside communication means 24 via the DSRC transmission / reception means 2 and the DSRC antenna 1. The traffic information center 25 that received the theft occurrence signal cooperates with an investigation organization such as the police station 26 to track the stolen vehicle. Since the installation location of the roadside communication means 24 is clear, the current location of the stolen vehicle and the road used for the escape are clarified only by examining which roadside communication means 24 the stolen vehicle has communicated with. After that, the police station 26 that has received information on the location and moving direction of the stolen vehicle can urgently secure the stolen vehicle by placing an emergency deployment. At that time, in the case of automatic fee collection by normal ETC, since the personal identification of this vehicle becomes impossible unless the IC card 7 is connected to the user interface processing means 4, the fee cannot be paid. For this reason, when there is no IC card 7, the automatic fee collection function in ETC does not operate normally. However, no charge is incurred for tracking stolen vehicles, so an IC that stores personal information is used. Even when the card 7 is not connected to the user interface processing means 4, the stolen vehicle can be tracked by the road-to-vehicle communication described above.

  Thus, even when the vehicle is stolen and escaped by a third party, the in-vehicle system according to the present invention performs the DSRC inter-lane communication by performing the above-described configuration and operation so that the stolen vehicle can be An in-vehicle system that can be tracked can be provided.

  In this embodiment, an organization that receives a theft occurrence signal and cooperates with a police station is defined as a traffic information center that is a public institution. Similar effects can be obtained even in an institution. In addition, the car security device 13 and the ETC in-vehicle device 9 have been described as separate configuration items, but the same effect can be obtained even if this is an integrated device that integrates both functions.

(Embodiment 2)
FIG. 2 is a block diagram showing the configuration of the in-vehicle system according to Embodiment 2 of the present invention. Hereinafter, in the second embodiment, the configuration and operation of the present invention will be specifically described. In the second embodiment, in addition to the components of the first embodiment, the operation of the power supply supplied to the ETC control means 3 is controlled in the ETC in-vehicle device 9 using the control signal from the security control means 10. Power supply means 8 capable of The other constituent elements are the same as those in the first embodiment, and are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.

  In the first embodiment, the operation of each component and the effect of the present invention when the vehicle is ridden and escaped by some means have been described. However, if the vehicle is loaded and transported on another transport means such as a truck, When the vehicle engine or power supply is stopped, such as when it is towed by a tow truck, the car security device 13 can be operated but the ETC in-vehicle device 9 is in an operation stopped state. DSRC road-to-vehicle communication cannot be performed, and the stolen vehicle described in the first embodiment cannot be tracked.

  Therefore, in the second embodiment, when the security control unit 10 detects theft of the vehicle due to vehicle vibration or the like, the power supply of the ETC in-vehicle device 9 is turned on with reference to the state of the power supply unit 8. Check whether or not. If the power of the ETC in-vehicle device is off, the security control means 10 instructs the power supply means 8 to turn on the power for the ETC in-vehicle device 9. As a result, after the ETC in-vehicle device 9 is powered on, that is, in an operating state, the operation of the second embodiment is the same as that of the first embodiment, and even when the vehicle is powered off, The power of the ETC in-vehicle device 9 is automatically turned on to enable DSRC road-to-vehicle communication, and the stolen vehicle can be tracked.

(Embodiment 3)
FIG. 3 is a block diagram showing the configuration of the in-vehicle system according to Embodiment 3 of the present invention. Hereinafter, the configuration and operation of the present invention will be specifically described in the third embodiment. In the third embodiment, in addition to the constituent elements of the first and second embodiments, the vehicle control means 20 and the steering control 28, the throttle control 21, the brake control 22, and the lamp control that are controlled from the ETC in-vehicle device 9. 23. The other constituent elements are the same as those in the first and second embodiments, and are denoted by the same reference numerals, and the description thereof will be omitted as appropriate.

  In the first embodiment and the second embodiment, it has been described that when a vehicle is stolen, the stolen vehicle is tracked using the DSRC road-to-vehicle communication means. We have to rely on the police agencies that shared the information.

  Therefore, in the third embodiment, a vehicle forced stop signal for stopping the vehicle from the traffic information center 25 or the police station 26 after confirming that the stolen vehicle has moved to a safe place while tracking the stolen vehicle. Is sent to the stolen vehicle. This vehicle forced stop signal is input to the ETC control means 3 via the roadside communication means 24, the DSRC antenna 1, the DSRC transmission / reception means 2, and the like. The ETC control means 3 instructs the vehicle control means 20 to stop the vehicle. In response to the vehicle stop instruction, the vehicle control means 20 controls the engine speed of the stolen vehicle using the throttle control 21 to quickly stop the stolen vehicle, gradually decreases the engine speed, and performs brake control. The brake control of the stolen vehicle is performed using 22 to forcibly reduce the speed of the stolen vehicle. Further, the steering operation of the stolen vehicle is forcibly performed using the steering control 28, and the traveling direction of the stolen vehicle is controlled to guide to a safe place. Further, the lamp control 23 is used to blink the hazard lamp of the stolen vehicle or the direction indicator so as to alert the stolen vehicle whose speed is decreasing so that the following vehicle does not collide. Further, when the route of the stolen vehicle is changed by performing the steering control, the steering control 28 is controlled using the vehicle surrounding information from the vehicle information detecting means 11 so as not to contact the following vehicle.

  Thus, this Embodiment 3 can secure a stolen vehicle promptly by performing a measure for forcibly stopping the stolen vehicle from a police station or the like while keeping track of the stolen vehicle. It is said.

  In the present embodiment, the case where steering control, throttle control, and brake control are used as means for controlling the stolen vehicle has been described. However, even if not all of them are used, any one of them is used. Similar effects can be obtained even when selected and used.

(Embodiment 4)
FIG. 4 is a block diagram showing the configuration of the in-vehicle system according to Embodiment 4 of the present invention. Hereinafter, in the fourth embodiment, the configuration and operation of the present invention will be specifically described. In the fourth embodiment, in addition to the constituent elements of the first embodiment, the second embodiment, and the third embodiment, a GPS antenna 14, a GPS receiving means 15, a map information storage means 16, a car navigation control means 17, a display means. 29, a car navigation device 19 composed of power supply means 18 is provided. The other constituent elements are the same as those in the first embodiment, the second embodiment, and the third embodiment, the same reference numerals are given, and the description thereof is omitted as appropriate. The car navigation device 19 receives radio waves from GPS satellites with the GPS antenna 14 and the GPS receiving means 15, calculates the current position with the car navigation control means 17, and obtains the map around the current position obtained from the map information storage means 16. It is possible to superimpose the current position of the vehicle on the display and display it on the display means 29 to inform the user of the position of the vehicle.

  In the first embodiment, the second embodiment, and the third embodiment, it has been described that road-to-vehicle communication using DSRC communication is used for tracking the vehicle. However, depending on the region, DSRC communication may be performed even on a main trunk road. The case where the roadside communication means 24 for performing is not installed is also considered. In this case, the number of samplings for the detection of the stolen vehicle is reduced, the accuracy of tracking the stolen vehicle is lowered, and it may be difficult for the police to secure the stolen vehicle. In the third embodiment, the remote information is operated from the traffic information center 25 or the police station 26, the steering control 28 is forcibly operated to steer the stolen vehicle, and the stolen vehicle is guided to a safe place. In order to do so, detailed terrain, road conditions, building location information, etc. in the vicinity where the stolen vehicle is traveling, and detailed stolen vehicle location information are required. It is difficult to.

  Therefore, in the fourth embodiment, a car navigation device 19 for specifying the current position of the stolen vehicle is provided. The current position information of the stolen vehicle detected by the car navigation device 19 is sent to the traffic information center 25 or the police station 26 via the ETC in-vehicle device 9 and the roadside communication means 24, where the stolen vehicle can be safely stopped. It is possible to forcibly stop the stolen vehicle safely without causing harm to other passing vehicles by forcing steering control, throttle control, brake control, etc. of the stolen vehicle.

  In the present embodiment, the traffic information center 25 or the police station 26 determines the selection of the location where the stolen vehicle is to be stopped, but this is based on the current position information from the car navigation device 19 and the surroundings of the vehicle. The same effect can be obtained even in a configuration in which the ETC control means 3 makes a judgment using the information, and as a result controls the vehicle control means 20 to forcibly stop the vehicle.

  The in-vehicle system of the present invention relates to an in-vehicle system capable of tracking a stolen vehicle without incurring costs related to device installation and operation by utilizing existing communication infrastructure even when the vehicle is stolen. Is.

Block configuration diagram of an in-vehicle system according to Embodiment 1 of the present invention The block block diagram of the vehicle-mounted system which concerns on Embodiment 2 of this invention The block block diagram of the vehicle-mounted system which concerns on Embodiment 3 of this invention The block block diagram of the vehicle-mounted system which concerns on Embodiment 4 of this invention Block diagram of prior art

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 DSRC antenna 2 DSRC transmission / reception means 3 ETC control means 4 User interface processing means 5 Display part 6 Input part 7 IC card 8 Power supply means 9 ETC in-vehicle apparatus 10 Security control means 11 Vehicle information detection means 12 Alarm means 13 Car security apparatus 14 GPS antenna 15 GPS receiving means 16 Map information accumulating means 17 Car navigation control means 18 Power supply means 19 Car navigation device 20 Vehicle control means 21 Throttle control 22 Brake control 23 Light control 24 Roadside communication means 25 Traffic information center 26 Police station 27 Toll gate opening / closing means 28 Steering control 29 Display means

Claims (7)

DSRC transmission / reception means for communicating between the vehicle and the roadside using DSRC communication (Dedicated Short-Range Communication: DSRC);
ETC control means for controlling road-to-vehicle communication such as ETC (Electronic Toll Collection System: ETC) via the DSRC transmission / reception means;
Vehicle information detecting means for detecting a situation inside and outside the vehicle such as vibration and sound pressure change;
Alarm means for issuing an alarm outside the vehicle;
Security control means for determining vehicle theft using information from the vehicle information detection means;
GPS receiving means for performing reception processing using radio waves from a GPS antenna;
Map information storage means for storing road map information;
Car navigation control means for specifying the position of the vehicle and displaying it on the map using the GPS receiving means and the map information storage means, and guiding to the destination;
Vehicle control means for receiving a signal from the ETC control means to control the operation state of the vehicle,
An in-vehicle system, wherein the ETC control means communicates with a roadside communication means by signals from the security control means and the car navigation control means. 2. The DSRC transmission / reception means and the ETC control means perform road-to-vehicle communication such as transmission of vehicle information and reception of vehicle control signals with a traffic information center in addition to automatic toll collection. The in-vehicle system described in 1. 2. The in-vehicle system according to claim 1, wherein the ETC control unit communicates with the roadside communication unit without an IC card in which personal identification information is written in cases other than automatic fee collection. The in-vehicle system according to claim 1, wherein the security control unit controls supply of power necessary for the operation of the ETC control unit. The in-vehicle system according to claim 1, wherein the security control unit controls supply of power necessary for the operation of the car navigation control unit. 2. The in-vehicle system according to claim 1, wherein the car navigation control unit transmits information such as a vehicle position and a moving direction to the ETC control unit based on a signal from the security control unit. The vehicle control means forcibly performs vehicle speed control, traveling direction control, braking control, and lamp control regardless of the vehicle driver's will based on an instruction from the ETC control means. The in-vehicle system according to claim 1.

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