JP2015003652A - Control unit and vehicle antitheft system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a control unit capable of controlling onboard equipment, and preventing theft of a vehicle, which is resulting from the theft of a wireless communication device associated with the vehicle, and a vehicle antitheft system using the control unit.SOLUTION: A control unit that receives a control request, which requests the control of onboard equipment, from a wireless communication device, and controls the onboard equipment on the basis of the received control request includes a receiving unit that receives a signal from the outside of a vehicle in which the onboard equipment is mounted, an antitheft signal determination unit that determines whether the signal received by the receiving unit is a predetermined antitheft signal representing the prevention of theft of the vehicle, and a control inhibition unit that, when receiving the control request from the wireless communication device after the antitheft signal determination unit has determined that the received signal is the antitheft signal, inhibits the control based on the control request.

Description

  The present invention relates to a control device for controlling an in-vehicle device and a vehicle theft prevention system using the control device.

  With the recent increase in crime prevention awareness, crime prevention systems for buildings and crime prevention systems for vehicles have become widespread. Patent Document 1 discloses a crime prevention system that causes a vehicle to perform a crime prevention operation for crime prevention of a house. This crime prevention system includes suspicious person detection means for detecting the presence of a suspicious person around a house. Information on the suspicious person detected by the suspicious person detecting means is transmitted to the vehicle. The vehicle includes a crime prevention operation control unit that executes a crime prevention operation preset in a predetermined vehicle-mounted device when receiving information on a suspicious person. Therefore, the crime prevention system described in Patent Document 1 can threaten a suspicious person by a crime prevention operation of the vehicle when there is a suspicious person around the house.

JP 2004-318643 A

  However, in the crime prevention system described in Patent Literature 1, the vehicle operates to increase the crime prevention property for the house, but does not perform the operation for enhancing the crime prevention property of the vehicle itself. For example, when an in-vehicle device that performs vehicle door unlock control or vehicle drive source activation control is controlled by communication with a radio communication device corresponding to the vehicle, the radio communication device was stored in a house. Sometimes, a suspicious person may invade a house, steal a wireless communication device, operate a vehicle, and steal it.

  The present invention has been made in view of such circumstances, and provides a control device capable of controlling an in-vehicle device and preventing the vehicle from being stolen due to theft of a wireless communication device corresponding to the vehicle, and the control device. It is in providing the vehicle antitheft system used.

  A control device according to the present invention receives a control request for requesting control of an in-vehicle device from a wireless communication device, and controls the in-vehicle device based on the received control request. A reception unit that receives a signal from the anti-theft, a signal received by the reception unit, a anti-theft signal determination unit that determines whether the signal is a predetermined anti-theft signal indicating prevention of theft of the vehicle, and the anti-theft signal determination A control prohibiting unit for prohibiting control based on the control request when the control request is received from the wireless communication device after the unit determines that the antitheft signal is received.

  In the present invention, the receiving unit receives a signal from the outside of the vehicle on which the in-vehicle device is mounted. The anti-theft signal determination unit determines whether or not the signal received by the receiving unit is a predetermined anti-theft signal indicating prevention of theft of the vehicle. When the control prohibition unit receives a control request from the wireless communication apparatus after the antitheft signal determination unit determines that the antitheft signal has been received, the control prohibition unit prohibits control based on the control request. Therefore, even when a control request is received from the wireless communication device, control on the in-vehicle device is prohibited, so that the vehicle can be prevented from being stolen due to the wireless communication device being stolen.

  The control device according to the present invention includes a notification unit that notifies the outside of the vehicle when the control prohibition unit prohibits control and receives a control request from the wireless communication device.

  In the present invention, the notification unit notifies the outside of the vehicle when the control prohibition unit prohibits the control and receives a control request from the wireless communication device. Therefore, the owner of the wireless communication device, for example, the owner of the vehicle can recognize that the vehicle-mounted device cannot be controlled by the wireless communication device.

  The control device according to the present invention includes an alarm unit that issues an alarm when the anti-theft signal determination unit determines that the anti-theft signal is the anti-theft signal.

  In the present invention, the alarm unit issues an alarm when the anti-theft signal determination unit determines that the anti-theft signal. Therefore, it is possible to threaten those who attempt to steal the vehicle.

  In the control device according to the present invention, the in-vehicle device is a device that controls unlocking of a door provided in the vehicle, and causes the in-vehicle device to perform unlock control of the door based on the control request. It is characterized by that.

  In the present invention, the in-vehicle device is a device that performs unlocking control of a door provided in the vehicle. The control device causes the in-vehicle device to perform door unlock control based on a control request from the wireless communication device. Therefore, when the control is prohibited by the control prohibition unit, the door cannot be unlocked by the wireless communication device, and thus the vehicle can be prevented from being stolen due to the wireless communication device being stolen.

  The control device according to the present invention includes an unlock detection unit that detects unlocking of the door due to insertion of a vehicle key corresponding to the vehicle into an insertion port provided on an outer surface of the door, When the control prohibition unit prohibits the control and the unlocking detection unit detects the unlocking of the door, the door is locked.

  In the present invention, the unlock detection unit detects the unlocking of the door due to the vehicle key corresponding to the vehicle being inserted into the insertion port provided on the outer surface of the door of the vehicle. In the control device, when the control prohibition unit prohibits the control and the unlocking detection unit detects the unlocking of the door, the control device locks the door. Accordingly, even when the door is unlocked by the vehicle key from the insertion port provided on the outer surface, the door can be locked, for example, when the wireless communication device and the vehicle key are integrally formed. In addition, it is possible to prevent theft of the vehicle due to theft of the wireless communication device.

  In the control device according to the present invention, the in-vehicle device is a device that controls the drive source of the vehicle, and based on the control request, causes the in-vehicle device to perform control related to activation of the drive source. It is characterized by that.

  In the present invention, the in-vehicle device is a device that controls the drive source of the vehicle. The control device causes the in-vehicle device to perform control related to activation of the drive source based on a control request from the wireless communication device. Therefore, when the control is prohibited by the control prohibiting unit, the vehicle cannot be driven by the wireless communication device, so that the vehicle can be prevented from being stolen due to the wireless communication device being stolen.

  The control device according to the present invention includes a release signal determination unit that determines whether or not the signal received by the reception unit is a predetermined release signal indicating release of control prohibition in the control prohibition unit, and the release signal When the determination unit determines that the signal is a release signal, the control prohibition by the control prohibition unit is canceled.

  In the present invention, the cancellation signal determination unit determines whether or not the signal received by the reception unit is a cancellation signal related to cancellation of the prohibition of control in the control prohibition unit. When the release signal determination unit determines that the release signal is a release signal, the control device releases the inhibition of control by the control inhibition unit. Therefore, for example, when the risk of theft of the vehicle is eliminated, the release signal is transmitted, so that the risk of theft can be avoided, and the in-vehicle device can be controlled by the wireless communication device.

  The vehicle anti-theft system according to the present invention includes the control device described above, an intrusion detection unit that detects intrusion into a building, and the anti-theft signal to the control device when the intrusion detection unit detects intrusion. And a transmission device having a transmission unit for transmission.

  The present invention includes the above-described control device and a transmission device that transmits an anti-theft signal to the control device. The transmission device detects intrusion into the building by the intrusion detection unit. When the intrusion detection unit detects an intrusion, the transmission device transmits an anti-theft signal at the transmission unit. Therefore, for example, it is possible to prevent theft of the vehicle due to the wireless communication device stored in the building being stolen by an intruder into the building.

  In the vehicle antitheft system according to the present invention, the transmission device includes a movement detection unit that detects movement from the inside of the building to the outside, and the transmission unit moves after the intrusion detection unit detects an intrusion. When the detection unit detects movement, the anti-theft signal is transmitted.

  In the present invention, the transmission device detects movement from the inside of the building to the outside by the movement detection unit. The transmission unit transmits an anti-theft signal when the movement detection unit detects movement after the intrusion detection unit detects intrusion. Therefore, for example, since the in-vehicle device can be controlled using a wireless communication device while the intruder is invading the building, the owner of the vehicle drives the vehicle and is safe from the harm from the intruder. You can evacuate to a place.

  In the vehicle antitheft system according to the present invention, the transmission device includes a request reception unit that receives a release request for canceling the prohibition of control by the control prohibition unit, and the transmission unit receives the release request by the reception unit. In this case, the release signal is transmitted.

  In the present invention, the transmission device accepts a predetermined operation at the accepting unit. A transmission part transmits a cancellation | release signal, when a reception part receives predetermined | prescribed operation. Therefore, the prohibition of control in the control device can be canceled by operating the transmission device.

  In the vehicle anti-theft system according to the present invention, the transmission device includes an alarm unit that issues an alarm when the intrusion detection unit detects an intrusion.

  In the present invention, when the intrusion detection unit detects an intrusion, the transmission unit issues an alarm at the alarm unit. Therefore, it is possible to threaten intruders in the building. Moreover, it can alert | report that the abnormality has arisen in the building with respect to the person around the building by the warning of a warning part.

  According to the present invention, there is provided a control device capable of controlling an in-vehicle device and preventing the vehicle from being stolen due to theft of a wireless communication device corresponding to the vehicle, and a vehicle theft prevention system using the control device. be able to.

It is a schematic diagram which shows the whole structure of the vehicle antitheft system in Embodiment 1. It is a block diagram which shows the structure of body ECU. It is a block diagram which shows the structure of a security device. It is a flowchart which shows the process sequence of the vehicle antitheft system when body ECU changes to protection mode. It is a flowchart which shows the process sequence of the vehicle antitheft system when body ECU cancels | releases protection mode. In Embodiment 2, it is a flowchart which shows the process sequence of the vehicle antitheft system when body ECU transfers to protection mode.

  Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.

(Embodiment 1)
FIG. 1 is a schematic diagram showing an overall configuration of a vehicle antitheft system 100 according to the first embodiment. The vehicle antitheft system 100 includes a body ECU (Electronic Control Unit) 1 and a security device 2. The body ECU 1 is arranged in a vehicle C using an engine as a drive source, and the security device 2 is arranged in a building B. In the first embodiment, it is assumed that the vehicle C is parked in the vicinity of the building B with the door (door) provided on the vehicle body locked and the engine stopped. The body ECU 1 corresponds to the control device in the present invention, and the security device 2 corresponds to the transmission device in the present invention.

  The body ECU 1 controls a so-called body system vehicle-mounted device in the vehicle C such as a lighting device such as a headlight described later, a sound output device such as a horn, and a door lock mechanism that controls locking and unlocking of the door of the vehicle C. The body ECU 1 is connected to the engine ECU 3 and the wireless communication device 4. The engine ECU 3 performs control related to driving of the engine including starting and stopping of the engine. The wireless communication device 4 transmits / receives information to / from a predetermined device outside the vehicle. The predetermined device is a security key 2 and a vehicle key 5 corresponding to a vehicle C described later. The body ECU 1 receives a control request for requesting control of the in-vehicle device from the vehicle key 5 by performing wireless communication with the vehicle key 5 via the wireless communication device 4. Based on the received control request, the body ECU 1 controls door locking / unlocking control and engine start / stop. The body ECU 1 controls the engine start and stop by issuing a command to the engine ECU 3.

  The body ECU 1 is in a state of waiting for wireless communication with the vehicle key 5 in a normal parking state in which the vehicle C is parked in the vicinity of the building B. Further, when the vehicle C is provided with a sensor that detects entry into the vehicle C, the body ECU 1 is in a state of monitoring whether or not the vehicle C has entered.

  The security device 2 monitors the inside and outside of the building B, and transmits a wireless signal to the body ECU 1 via the wireless communication device 4 when an intruder into the building B is detected. When the body ECU 1 receives a wireless signal from the security device 2, the body ECU 1 performs a transition from the normal parking state waiting for wireless communication with the vehicle key 5 to the protection mode, and further wirelessly from the security device 2. The protection mode is canceled based on the signal. The protection mode is a state in which the body ECU 1 performs predetermined control to prevent the vehicle C from being stolen, and will be described in detail later. Moreover, body ECU1 returns to the above-mentioned normal parking state by cancellation | release of protection mode.

  The vehicle key 5 includes a lock button 51 and an unlock button 52. When the lock button 51 is pressed, the vehicle key 5 transmits a radio signal indicating a request for locking control of the door of the vehicle C to the body ECU 1. The vehicle key 5 transmits a radio signal indicating a request for unlocking control of a door provided in the vehicle C to the body ECU 1 when the unlock button 52 is pressed. The body ECU 1 controls locking / unlocking of the door based on the signal transmitted from the vehicle key 5. The vehicle key 5 corresponds to the wireless communication device in the present invention.

  Further, the vehicle key 5 receives a radio signal transmitted from the body ECU 1, thereby transmitting a radio signal corresponding to the received signal to the body ECU 1. Based on the radio signal transmitted from the vehicle key 5, the body ECU 1 controls door locking / unlocking and engine start / stop.

  Further, the vehicle key 5 includes a mechanical key portion 5a. The machine key portion 5a is formed of a plate-shaped or bar-shaped metal member. The machine key portion 5a has a shape such as a notch or a recess that matches the shape of a corresponding key cylinder (not shown) provided on the door or the like of the vehicle C. The vehicle key 5 can lock and unlock the door without using the machine key portion 5a to communicate with the body ECU 1. The key cylinder corresponding to the mechanical key portion 5a will be described later.

  FIG. 2 is a block diagram showing the configuration of the body ECU 1. The body ECU 1 includes a CPU 11 that controls the operation of each component. The CPU 11 includes, for example, one or a plurality of CPUs (Central Processing Units), a multi-core CPU, and the like. The CPU 11 is connected to a storage unit 12, a temporary storage unit 13, a communication IF 14, and an input / output IF 15 via a bus. CPU11 reads the control program 12a etc. which are memorize | stored in the memory | storage part 12 mentioned later, and controls each part.

  The storage unit 12 is a nonvolatile memory such as an EEPROM (Electrically Erasable Programmable ROM) or a flash memory. The storage unit 12 stores a control program 12a for the CPU 11 to perform processing. The control program 12a is a program in which the processing content performed by the CPU 11 by wireless communication with the crime prevention device 2 and the vehicle key 5 and the processing content by which the CPU 11 controls each part of the body ECU 1 are described. The storage unit 12 stores a protection program 12b. The protection program 12b is a program that describes the processing contents that the body ECU 1 performs in the protection mode state when the CPU 11 reads and executes the protection program 12b.

  The temporary storage unit 13 is a memory such as SRAM (Static RAM) or DRAM (Dynamic RAM). The temporary storage unit 13 temporarily stores various data generated by the CPU 11 executing the control program 12a.

  The communication IF 14 is connected to the wireless communication device 4 and the engine ECU 3 via a communication line, and in accordance with a communication protocol used in an in-vehicle LAN (Local Area Network) such as a CAN (Controller Area Network) protocol, Information is transmitted to and received from the engine ECU 3.

  The wireless communication device 4 includes a key communication unit 41 and a reception unit 42. The key communication unit 41 includes a key transmission unit 41a and a key reception unit 41b. The key transmission part 41a transmits the radio signal of the predetermined | prescribed frequency band which the vehicle key 5 can receive. The predetermined frequency band is, for example, an LF (Low Frequency) band frequency. The key receiving unit 41b receives a radio signal in a predetermined frequency band transmitted from the vehicle key 5. The predetermined frequency band is, for example, a frequency in a UHF (Ultra High Frequency) band. The receiving unit 42 receives a radio signal transmitted from the security device 2 using a public communication network such as a mobile phone network, the Internet, a wireless LAN, or Bluetooth (registered trademark).

  The engine ECU 3 performs control related to driving including starting and stopping of the engine by causing the engine to perform operations such as fuel injection and ignition based on a command from the body ECU 1.

  A lighting device 151, a sound output device 152, a door lock mechanism 153, a first door lock operation unit 154, a second door lock operation unit 155, and a drive operation unit 156 are connected to the input / output IF 15. The lighting device 151 is a headlamp that illuminates the front of the vehicle C, a hazard lamp provided at the front and rear of the vehicle C, an indoor lamp provided within the vehicle C, and the like. The CPU 11 issues a command to the illumination device 151 via the input / output IF 15 and performs control of turning on, turning off, or dimming. In addition, the illuminating device 151 and the audio | voice output device 152 are corresponded to an alerting | reporting part and an alarm part, respectively.

  The audio output device 152 is a horn that outputs a warning sound, a speaker provided in the vehicle, or the like. The CPU 11 issues a command to the audio output device 152 via the input / output IF 15 to output audio.

  The door lock mechanism 153 is provided around each door of the vehicle C. The door lock mechanism 153 includes a mechanical mechanism for locking and unlocking the door, and an actuator for electrically operating the mechanical mechanism. The door lock mechanism 153 operates the mechanical mechanism by an operation of an actuator according to a command from the CPU 11 or an operation in a first door lock operation unit 154 described later, and locks and unlocks the door.

  The first door lock operation unit 154 includes a key cylinder corresponding to the mechanical key unit 5 a of the vehicle key 5 described above. For example, the key cylinder is provided in the door of the driver's seat of the vehicle C, and an insertion port for inserting the mechanical key portion 5a is provided in the outer surface of the door. The first door lock operation unit 154 operates the mechanical mechanism of the door lock mechanism 153 when the vehicle key 5 is rotated in a state where the machine key unit 5a is inserted into the insertion port, and locks and unlocks the door. Do. Further, the first door lock operation unit 154, when the door is unlocked (or locked) by the insertion and rotation of the vehicle key 5, information indicating that the unlocking (or locking) has been performed, The data is output to the CPU 11 via the input / output IF 15. The CPU 11 detects that the door has been unlocked (or locked) based on the information output by the first door lock operation unit 154 by executing the control program 12a. The first door lock operation unit 154 corresponds to the unlock detection unit in the present invention.

  The second door lock operation unit 155 includes a switch provided on the outer surface of each door of the vehicle C. When the switch is pressed, the second door lock operation unit 155 outputs information indicating that the switch has been pressed to the CPU 11 via the input / output IF 15. The CPU 11 transmits a wireless signal from the key transmission unit 41a included in the wireless communication device 4 via the communication IF 14 based on the input information. Here, a procedure for unlocking (or locking) the door by operating the second door lock operation unit 155 will be described below. The vehicle key 5 receives the above-described wireless signal transmitted from the key transmission unit 41a, and transmits a wireless signal when it is determined that the signal is transmitted from the corresponding vehicle C by an authentication process or the like. The key receiving unit 41b included in the wireless communication device 4 receives the wireless signal transmitted from the vehicle key 5, and outputs information included in the received wireless signal to the CPU 11 via the communication IF 14. Based on the input information, the CPU 11 determines whether or not the received radio signal is a signal from the corresponding vehicle key 5, and the received signal is a request for door unlock control (or lock control). It is determined whether or not it is such a signal. When the CPU 11 determines that the signal is from the corresponding vehicle key 5 and determines that the received signal is a signal relating to a door unlock control (or lock control) request, the CPU 11 instructs the door lock mechanism 153. Put out. The door lock mechanism 153 unlocks (or locks) the door based on a command from the CPU 11.

  The drive operation unit 156 includes a switch provided near the front of the driver's seat of the vehicle C. When the switch is pressed, the drive operation unit 156 outputs information indicating that the switch has been pressed to the CPU 11 via the input / output IF 15. The CPU 11 transmits a radio signal from the key transmission unit 41 a of the wireless communication device 4 to the vehicle key 5 via the communication IF 14 based on information indicating that the switch of the drive operation unit 156 has been pressed. Thereafter, the CPU 11 is the vehicle key 5 corresponding to the host vehicle by performing the same processing as the authentication processing when the door is locked or unlocked by operating the second door lock operation unit 155. Determine whether. Further, the CPU 11 determines whether or not the received signal is a signal related to a request for engine start control (or stop control). The CPU 11 issues a command to the engine ECU 3 when it is determined that the vehicle key 5 is corresponding and the received signal is a signal related to a request for engine start control (or stop control). The engine ECU 3 starts (or stops) the engine based on a command from the CPU 11.

  The body ECU 1 transitions to the protection mode when the receiving unit 42 receives an anti-theft signal, which will be described later, indicating prevention of theft of the vehicle C transmitted from the security device 2. Hereinafter, a process performed by the body ECU 1 in the protection mode, that is, a process performed by the CPU 11 of the body ECU 1 by executing the protection program 12b will be described. Even if the information input from the key receiving unit 41b is information related to door unlocking control or engine starting control, the CPU 11 instructs the door lock mechanism 153 to perform unlocking control or causes the engine ECU 3 to start the engine. Do not issue commands. The CPU 11 does not issue the command, and further issues a command to the illumination device 151 or the audio output device 152 to notify that it is in the protection mode. Specifically, a room lamp is blinked, a sound of a specific pattern is output by a horn, and the like. Note that the CPU 11 executes the protection program 12b and performs a process for preventing the door lock mechanism 153 from performing the unlock control or the engine ECU 3 from issuing an instruction to start the engine, thereby prohibiting the control in the present invention. It functions as a part.

  Further, when the receiving unit 42 receives a release signal (described later) that releases the protection mode transmitted from the security device 2, the body ECU 1 releases the protection mode and returns to the normal parking state.

  FIG. 3 is a block diagram illustrating a configuration of the security device 2. The security device 2 includes a control unit 21, an operation unit 24, a transmission unit 25, a notification unit 26, and an alarm unit 27. The control unit 21 includes a CPU 21a that controls the operation of each component. The CPU 21a is composed of, for example, one or a plurality of CPUs, a multi-core CPU, and the like. The CPU 21a is connected to a storage unit 21b, a temporary storage unit 21c, an input IF 21d, and an output IF 21e via a bus. The CPU 21a reads a control program 22 and the like stored in a storage unit 21b described later, and controls each unit.

  The storage unit 21b is a nonvolatile memory such as an EEPROM or a flash memory. The storage unit 21b stores a control program 22 for the CPU 21a to perform processing. Also, the password information 23 is stored in the storage unit 21b. The password information 23 is information for collating with information input from the operation unit 24, and details will be described later.

  The temporary storage unit 21c is a memory such as SRAM or DRAM. The temporary storage unit 21c temporarily stores various data generated when the CPU 21a performs processing by the control program 22.

  The operation unit 24, the security camera 6, and the human sensor 7 are connected to the input IF 21d. The operation unit 24 is an operation panel including a numeric key provided on the side surface of the housing of the crime prevention device 2, for example. Information input from the operation unit 24 is input to the CPU 21a via the input IF 21d. The security camera 6 is shooting inside and outside the building B. Video information captured by the security camera 6 is input to the CPU 21a via the input IF 21d. The human sensor 7 is, for example, an infrared sensor, detects a human movement, and outputs information indicating the detection. The output information is input to the CPU 21a via the input IF 21d. The operation unit 24 corresponds to a request receiving unit in the present invention.

  A transmission unit 25, a notification unit 26, and an alarm unit 27 are connected to the output IF 21e. The transmission unit 25 transmits a radio signal to the body ECU 1 using a public communication network such as a mobile phone network or the Internet network, a wireless LAN, or Bluetooth (registered trademark). When the CPU 21a detects intrusion into the building B based on information input from the security camera 6 or the human sensor 7, the CPU 21a issues a command to the transmission unit 25 and transmits a theft prevention signal to the body ECU 1. The anti-theft signal is a signal including a command for causing the body ECU 1 to transition to the protection mode. Further, when it is determined that a predetermined operation has been performed by the operation unit 24, the CPU 21a issues a command to the transmission unit 25 and transmits a release signal to the body ECU 1. The release signal is a signal including a command for releasing the body ECU 1 from the protection mode and returning to the normal parking state. Note that the anti-theft signal and the release signal may be encoded or encrypted as long as the body ECU 1 can identify each signal.

  The reporting unit 26 has a function of performing communication using a public communication network such as a mobile phone network or the Internet network. The reporting unit 26 reports to a predetermined reporting destination by a command from the CPU 21a via a communication network. The predetermined report destination is, for example, a management device of a security company or a portable terminal held by a resident of the building B.

  The alarm unit 27 is a device that outputs an alarm sound such as a buzzer or a speaker, and issues an alarm based on a command from the CPU 21a. The alarm unit 27 may be a lighting device such as a light.

  FIG. 4 is a flowchart showing a processing procedure of the vehicle antitheft system 100 when the body ECU 1 transits to the protection mode. CPU21a with which the control part 21 of the crime prevention apparatus 2 is provided determines whether the intrusion into the building B was detected (step S11). Specifically, the CPU 21a determines whether or not an intrusion into the building B is detected based on information input from the security camera 6 or the human sensor 7 via the input IF 21d. If it is determined that no intrusion has been detected (S11: NO), the CPU 21a waits for processing until an intrusion is detected. In addition, CPU21a functions as an intrusion detection part in this invention by running the control program 22 in step S11.

  If it is determined that an intrusion has been detected (S11: YES), the CPU 21a issues a command to the alarm unit 27 and the notification unit 26 via the output IF 21e, and issues an alarm and notification (step S12). Next, the CPU 21a issues a command to the transmission unit 25 via the output IF 21e and transmits a theft prevention signal (step S13).

  The CPU 11 of the body ECU 1 determines whether or not the anti-theft signal has been received by the receiving unit 42 of the wireless communication device 4 (step S14). If it is determined that the anti-theft signal has not been received (S14: NO), the CPU 11 waits for processing until the anti-theft signal is received. In addition, CPU11 functions as a theft prevention signal determination part in this invention by running the control program 12a in step S14.

  When it is determined that the anti-theft signal has been received (S14: YES), the CPU 11 issues a command to the lighting device 151 or the voice output device 152 via the input / output IF 15, and the lighting device 151 blinks and the voice of the voice output device 152 sounds. An alarm is given by the output (step S15).

  Next, the CPU 11 determines whether or not the vehicle C is in the protection mode (step S16). Specifically, the CPU 11 determines whether or not the protection program 12b stored in the storage unit 12 is being executed. When it determines with it being in protection mode (S16: YES), CPU11 finishes a process. If it is determined that the mode is not the protection mode (S16: NO), the CPU 11 transits to the protection mode (step S17), and then the process is finished.

  By the process shown in FIG. 4, the body ECU 1 that has received the anti-theft signal from the crime prevention device 2 can transition to a protection mode in which door unlocking and engine starting are prohibited. As described above, the CPU 11 of the body ECU 1 causes the key transmission unit 41a to transmit a radio signal even when the second door lock operation unit 155 or the drive operation unit 156 is operated (pressed) in the protection mode. Do not give out. Further, when the CPU 11 detects that the door is unlocked by the first door lock operation unit 154, the CPU 11 issues a command to the door lock mechanism 153 to lock the unlocked door. Therefore, even if the vehicle key 5 is stored in the building B, and the intruder into the building B steals the vehicle key 5, the intruder uses the stolen vehicle key 5 to unlock the door. The engine cannot be started and the vehicle C can be prevented from being stolen. In addition, when the body ECU 1 receives the anti-theft signal, the body ECU 1 can warn the lighting device 151 or the audio output device 152. I can tell you that there was. In addition, although the crime prevention apparatus 2 demonstrated performing the process to the above-mentioned step S11-step S13, it is not necessary to always perform the process. For example, when the resident of the building B is away, the security device 2 may be configured so that the setting can be switched so that the processes in steps S11 to S13 can be performed by the resident's operation.

  FIG. 5 is a flowchart showing a processing procedure of the vehicle antitheft system 100 when the body ECU 1 releases the protection mode. CPU21a with which the control part 21 of the crime prevention apparatus 2 is provided determines whether predetermined operation was performed by the operation part 24 (step S21). The predetermined operation is an operation for causing the CPU 21a to input the same information as the password information 23 stored in the storage unit 21b. For example, if the operation unit 24 is an operation panel including a numeric keypad and the personal identification information 23 is a personal identification number, the CPU 21a determines that a predetermined operation has been performed by the operation unit 24 when the personal identification number is input using the numeric keypad. . When it is determined that the predetermined operation is not performed (S21: NO), the CPU 21a waits for the process until the predetermined operation is performed.

  When it is determined that a predetermined operation has been performed (S21: YES), the CPU 21a issues a command to the transmission unit 25 and transmits a release signal to the body ECU 1 (step S22).

  The CPU 11 of the body ECU 1 determines whether or not the release signal has been received by the receiving unit 42 of the wireless communication device 4 (step S23). If it is determined that the release signal has not been received (S23: NO), the CPU 11 waits for processing until the release signal is received. The CPU 11 functions as a release signal determination unit in the present invention by executing the protection program 12b in step S23.

  When it is determined that the release signal has been received (S23: YES), it is determined whether or not the body ECU 1 is in the protection mode (step S24). Specifically, the CPU 11 determines whether or not the protection program 12b is being executed. When it is determined that the mode is not the protection mode (S24: NO), the CPU 11 finishes the process. When it is determined that the protection mode is set (S24: YES), the CPU 11 cancels the protection mode (step S25), and then the process ends. The protection mode is released when the CPU 11 ends the execution of the protection program 12b.

  By the process shown in FIG. 5, the body ECU 1 that has received the release signal from the crime prevention device 2 can release the protection mode and return to the normal parking state. That is, the body ECU 1 is on standby to perform wireless communication with the vehicle key 5 and can perform control related to locking and unlocking of the door and starting and stopping of the engine based on a control request from the vehicle key 5.

  With the above configuration and processing, the body ECU 1 can transition to the protection mode based on the anti-theft signal transmitted when the security device 2 detects intrusion into the building B. Therefore, when the vehicle key 5 is stored in the building B, the vehicle theft prevention system 100 is caused by the theft of the vehicle key 5 even if the vehicle key 5 is stolen by an intruder into the building B. It is possible to prevent the vehicle C to be stolen. Moreover, the cancellation | release signal which cancels | releases protection mode from the crime prevention apparatus 2 can be transmitted. Therefore, for example, when the risk of theft of the vehicle C by an intruder disappears, the release signal is transmitted from the crime prevention device 2, thereby avoiding the risk of theft of the vehicle C and enabling control by the vehicle key 5. Can do. Furthermore, since it is possible to prevent the vehicle C from being stolen by using an existing in-vehicle device such as the body ECU 1, the vehicle anti-theft system 100 can be constructed without requiring complicated equipment.

(Embodiment 2)
In Embodiment 1, when the crime prevention apparatus 2 detected the intrusion into the building B, it explained transmitting the antitheft signal. In the second embodiment, an example will be described in which the security device 2 transmits an anti-theft signal when it is detected that the intrusion has entered the building B and then has moved from the inside of the building B to the outside. . Since the other configurations and operations except for the portions described below are the same as those in the first embodiment, detailed description on the same configuration and description of the operation and effects are omitted for the sake of brevity.

  FIG. 6 is a flowchart showing a processing procedure of the vehicle antitheft system 100 when the body ECU 1 transits to the protection mode in the second embodiment. The processing in step S31 and step S32 is the same as step S11 and step S12 in FIG. 4 in the first embodiment, and the processing in step S38 is the same as step S14 in FIG. Moreover, the process of step S39 and step S40 is the same as that of step S16 and step S17 in FIG. Therefore, detailed description of these steps is omitted.

  CPU21a with which the control part 21 of the crime prevention apparatus 2 is provided has instruct | indicated the warning to the transmission part 25 via the output IF21e, and detects that it has invaded the building B (S31: YES). Is transmitted (step S33). Specifically, the alarm signal is a signal including a command for causing the body ECU 1 to issue an alarm, and may be encoded or encrypted as long as the body ECU 1 can identify each signal. .

  The CPU 11 of the body ECU 1 determines whether or not an alarm signal has been received by the receiving unit 42 of the wireless communication device 4 (step S34). If it is determined that no alarm signal has been received (S34: NO), the CPU 11 waits for processing until an alarm signal is received.

  When it is determined that an alarm signal has been received (S34: YES), the CPU 11 issues a command to the lighting device 151 or the voice output device 152 via the input / output IF 15, and the lighting device 151 blinks and the voice output device 152 outputs a voice. An alarm is issued (step S35).

  CPU21a with which control part 21 of crime prevention device 2 is provided judges whether movement from the inside of building B was detected outside (Step S36). For example, the CPU 21a extracts the characteristics of the intruder from the video information in the building B input from the security camera 6 by image processing, and the feature is detected from the video information outside the building B. Detects moving outside. Alternatively, the detection may be performed by providing a plurality of human sensors 7 inside and outside the building B and generating a virtual trajectory of the intruder from the detected position of the human sensor 7. When it is determined that no movement is detected (S36: NO), the CPU 21a waits for processing. In addition, CPU21a functions as a movement detection part in this invention by running the control program 22 in step S36.

  When the movement is detected (S36: YES), the CPU 21a issues a command to the transmission unit 25 via the output IF 21e, and transmits a theft prevention signal indicating prevention of theft of the vehicle C (step S37).

  With the above configuration and processing, the security device 2 can transmit an anti-theft signal when it is detected that an intruder has moved from the inside of the building B to the outside. Therefore, for example, while the intruder is invading the building B, the owner of the vehicle C can drive the vehicle C and evacuate to a safe place that does not cause harm from the intruder.

  In the first and second embodiments, it has been described that the drive source of the vehicle C is an engine. However, other prime movers such as a motor may be used.

  Moreover, in Embodiment 1 and 2, although demonstrated that body ECU1 received a theft prevention signal and a cancellation | release signal from the crime prevention apparatus 2, you may make it receive from the other apparatus which has a communication function. For example, the body ECU 1 may receive a theft prevention signal and a release signal transmitted from a mobile terminal possessed by the owner of the vehicle C. In that case, since the owner of the vehicle C can shift the body ECU 1 to the protection mode using the portable communication terminal possessed when the vehicle key 5 is stolen, the vehicle resulting from the theft of the vehicle key 5 C can be prevented from being stolen.

  Moreover, although Embodiment 1 and 2 demonstrated that the communication between body ECU1 and the crime prevention apparatus 2 was radio | wireless communication, communication other than that may be sufficient. For example, when the vehicle C is an electric vehicle powered by power from a battery, communication may be performed using power line communication.

  In the first and second embodiments, it has been described that the drive operation unit 156 is a switch provided in the vicinity of the front of the driver's seat, but it may be a key cylinder provided with an ignition switch. In this case, the machine key portion 5a of the vehicle key 5 functions as an ignition key. The body ECU 1 does not start the engine even when the ignition switch is switched by the vehicle key 5 by controlling the engine ECU 3 not to perform fuel injection of the engine in the protection mode. Therefore, the vehicle theft prevention system 100 can prevent the vehicle C from being stolen due to the vehicle key 5 being stolen.

  In the first and second embodiments, the control request to the body ECU 1 of the vehicle key 5 is for door locking / unlocking control and engine start / stop control. . For example, the vehicle key 5 may transmit a control request for control related to opening / closing of a window provided in the vehicle C. In that case, the body ECU 1 prevents entry into the vehicle C even when the vehicle key 5 is stolen by controlling the window not to open in the protection mode. Therefore, the vehicle theft prevention system 100 can prevent the vehicle C from being stolen due to the vehicle key 5 being stolen.

  In the first and second embodiments, it has been described that the CPU 21a issues a command to the transmission unit 25 and transmits a release signal when a predetermined operation is performed on the operation unit 24. Configurations other than the operation unit 24 The CPU 21a may transmit a release signal based on the above. For example, the security device 2 may include a receiving unit that receives a signal, and the receiving unit may receive a signal including the password information 23 transmitted from the mobile terminal. In this case, the CPU 21a determines whether or not the password information 23 is included in the received signal and whether or not the password information 23 is correct, and transmits a release signal based on the determination result. The receiving unit corresponds to the request receiving unit in the present invention.

  Moreover, in Embodiment 1 and 2, the vehicle key 5 shows that the part which has the radio | wireless communication function which transmits the signal which concerns on unlocking or locking of the vehicle C, and the machine key part 5a are comprised integrally. However, each may be separate. In that case, a portion having a wireless communication function for transmitting a signal related to unlocking or locking of the vehicle C corresponds to the wireless communication device in the present invention, and the mechanical key portion 5a corresponds to the vehicle key in the present invention. In addition, when the part which has a radio | wireless communication function, and the mechanical key part 5a are comprised separately in this way, even when one or both are stolen, in the vehicle antitheft system 100 in this invention, The theft of the vehicle C can be prevented.

  Moreover, in Embodiment 1 and 2, although it showed that the security camera 6 and the human sensitive sensor 7 were connected to the input IF 21d of the security device 2, other than that may be connected. For example, a security sensor such as a sensor that detects opening and closing of a front door lock provided in the building B, a sensor that detects destruction of a window provided in the building B, and the security camera 6 may be connected in combination.

  Furthermore, it should be thought that embodiment disclosed this time is an illustration and restrictive at no points. The scope of the present invention is defined not by the above-mentioned meaning but by the scope of claims for patent, and is intended to include all modifications within the scope and meaning equivalent to the scope of claims for patent.

1 Body ECU (control device)
2 Security device (transmitting device)
3 Engine ECU
4 Wireless communication device 5 Vehicle key (wireless communication device, vehicle key)
11 CPU (Anti-theft signal determination unit, control prohibition unit, release signal determination unit)
151 Illumination device (notification unit, alarm unit)
152 Audio output device (notification unit, alarm unit)
153 Door lock mechanism 154 First door lock operation unit (unlock detection unit)
155 Second door lock operation unit 21 Control unit 21a CPU (intrusion detection unit, movement detection unit)
24 Operation part (request acceptance part)
25 Transmitter 27 Alarm 42 Receiver

Claims (11)

In a control device that receives a control request for requesting control of an in-vehicle device from a wireless communication device and controls the in-vehicle device based on the received control request,
A receiving unit for receiving a signal from the outside of the vehicle equipped with the in-vehicle device;
An anti-theft signal determination unit for determining whether the signal received by the receiving unit is a predetermined anti-theft signal indicating prevention of theft of the vehicle;
A control prohibiting unit that prohibits control based on the control request when receiving a control request from the wireless communication device after the antitheft signal determining unit determines that the antitheft signal . The control device according to claim 1, further comprising: a notification unit that notifies the outside of the vehicle when the control prohibition unit prohibits control and receives a control request from the wireless communication device. The control device according to claim 1, further comprising an alarm unit that issues an alarm when the anti-theft signal determination unit determines that the anti-theft signal. The in-vehicle device is a device that controls unlocking of a door provided in the vehicle,
The control device according to any one of claims 1 to 3, wherein the vehicle-mounted device is configured to perform unlocking control of the door based on the control request. An unlock detection unit for detecting unlocking of the door caused by insertion of a vehicle key corresponding to the vehicle into an insertion port provided on an outer surface of the door;
5. The control according to claim 4, wherein when the control prohibition unit prohibits control and the unlocking detection unit detects the unlocking of the door, the door is locked. apparatus. The on-vehicle device is a device that controls a drive source of the vehicle,
The control device according to any one of claims 1 to 3, wherein the vehicle-mounted device performs control related to activation of the drive source based on the control request. A cancellation signal determination unit that determines whether or not the signal received by the reception unit is a predetermined cancellation signal indicating cancellation of prohibition of control in the control prohibition unit;
7. The control device according to claim 1, wherein when the release signal determination unit determines that the release signal is a release signal, the control inhibition by the control inhibition unit is released. A control device according to claim 7;
A vehicle theft comprising: an intrusion detection unit that detects an intrusion into a building; and a transmission device that includes a transmission unit that transmits the antitheft signal to the control device when the intrusion detection unit detects an intrusion. Prevention system. The transmitter is
A movement detection unit for detecting movement from the inside of the building to the outside;
The vehicle theft according to claim 8, wherein the transmission unit transmits the anti-theft signal when the movement detection unit detects movement after the intrusion detection unit detects intrusion. Prevention system. The transmitter is
A request receiving unit for receiving a release request for canceling the prohibition of control by the control prohibiting unit;
The vehicle theft prevention system according to claim 8 or 9, wherein the transmission unit transmits the release signal when the reception unit receives the release request. The transmitter is
The vehicle theft prevention system according to any one of claims 8 to 10, further comprising an alarm unit that issues an alarm when the intrusion detection unit detects an intrusion.

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