JPH06336150A - On-vehicle anti-theft system - Google Patents

Abstract

PURPOSE:To improve the operability, useability, and fitting performance of a keyless entry system by utilizing the function of an anti-theft system for the locking/unlocking actions of the door of an automobile. CONSTITUTION:When a prescribed message is sent from a remote control unit 1 and received by a reception section 8, a command analysis section 10 checks the ID code and instructs the control according to the type if the ID code is legitimate. When the setting of the anti-theft function is instructed, an abnormal state detection section 15 is activated, and the locking of a door during the time width set by a time setting switch 19 is instructed to a door locking/ unlocking controller 17. When the release of the anti-theft function is instructed, the operation of the abnormal state detection section 15 is stopped, and the unlocking of the door during the set time width is instructed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote control type antitheft device for a vehicle, which is equipped with means for locking or unlocking a door of a vehicle at the same time when the operating state of the device is started or stopped. Regarding

[0002]

2. Description of the Related Art A remote control type anti-theft device for a vehicle includes a keyless entry device having a function of locking or unlocking a door, in addition to a security device having a function of preventing theft.

[0003]

However, in the conventional method, the security device and the keyless entry device must be operated separately. That is, when the user gets out of the car, after the vehicle gets out of the car, the anti-theft device must be started by the remote control, and then the door must be locked by another operation of the remote control. In addition, when getting in a car, it is necessary to perform the reverse operation to the above operation. Further, as a mechanism for controlling locking / unlocking of a door of a vehicle to which the keyless entry device is attached, there are a solenoid system and a motor system. The solenoid system requires a large current, but the energization time may be 1 second or less. On the other hand, in the case of the motor type, the current may be small, but the energization time of 3 seconds or more is required. However, if the energization time is uniformly set to 3 seconds or more, heat generation of the solenoid and battery consumption increase. As described above, the conventional method has very poor operability, and depending on the vehicle model, there is a problem in terms of mounting such as the keyless entry device cannot be mounted.

[0004]

SUMMARY OF THE INVENTION According to the present invention, the above-mentioned problem is solved in a vehicle equipped with a door lock / unlock drive device for locking and unlocking the door, such as abnormalities such as door opening / closing, movement, tilting and impact. A plurality of different sensors for detecting each, an alarm device, a remote control unit having a function of transmitting a telegram that combines an ID code and a command for instructing the setting and cancellation of the anti-theft function, and a remote control unit. A receiving unit for receiving a telegram, a control device connected to each of the door lock / unlock drive device, a plurality of sensors, an alarm device, and a receiving unit, and an energization time of the door lock / unlock drive device. And a time setting switch for setting, and the control device also detects an abnormal state based on signals from a plurality of sensors. The abnormal state detection unit that drives the alarm device to generate an alarm sound, and controls the door lock / unlock drive device to lock or unlock the door according to the instruction, and is set by the time setting switch. During the time interval, when the door lock / unlock control unit for energizing the door lock / unlock drive device and the receiving unit receive a telegram transmitted from the remote control unit, the telegram is analyzed to obtain an ID code. If the ID code is checked, the control according to the command type is instructed. If the command is for setting the anti-theft function, the abnormal state detection unit is activated and the door lock / unlock control is performed. If the command is to unlock the anti-theft function, the operation of the abnormal state detection unit is instructed. The resolved by providing a command analysis unit for instructing the unlocking of the door to the door locking and unlocking control unit with stops.

[0005]

When a predetermined message is transmitted from the remote control unit and the receiving unit receives the transmitted message, the command analysis unit analyzes the message and checks the ID code. If the ID code is valid, the command The time width set by the time setting switch in the door lock / unlock control unit when the abnormal condition detection unit is activated when the command is given to control according to the type and the command is to set the anti-theft function. Door lock during the time, and when the command is to release the anti-theft function, the operation of the abnormal state detection unit is stopped and the door lock during the time width set by the time setting switch.
Instructs the unlock control unit to unlock the door.

[0006]

EXAMPLES The details of the present invention will be described below with reference to examples.

FIG. 1 is a block diagram of an apparatus according to one embodiment of the present invention. In the figure, 1 is a remote control unit, 2 is an anti-theft device main body, 3 is an operation unit, 4 is a command input unit, 4a is an ID code memory, 5 is a transmission unit, 6, 7
Is an antenna, 8 is a receiving unit, 9 is a control device, 10 is a command analysis unit, 11 is an ID code memory, 12 is a door pin switch, 13 is a motion sensor, 14 is a shock sensor, 15 is an abnormal state detection unit, and 16 is An alarm device, 17 is a door lock / unlock control unit, 18 is a door lock / unlock drive device, 19 is an operation time setting switch, 20 is a trunk opener control unit, and 21 is a trunk opener.

In the remote control unit 1, the operating portion 3 is an S for activating the function of the antitheft device.
ET key, RES for stopping or canceling the same function
It is provided with a plurality of control keys such as an ET key and an EX key for instructing to open the trunk. A numeric keypad is provided if necessary. The command input unit 4 assembles a message to be sent to the anti-theft device body 2. For example, the ID code (password) set in the ID code memory 4a composed of a diode matrix or a ROM is placed at the beginning of the message, and the command corresponding to the control key operated next is placed. The transmission unit 5 puts a telegram on a high frequency signal and sends it to the antitheft device 2 via the antennas 6 and 7.

In the anti-theft device body 2, the receiving section 8
Extracts a message from the received high frequency signal and transfers it to the command analysis unit 10 of the control device 9. Command analysis unit 1
0 compares and collates the ID code in the message with the ID code stored in the ID code memory. The ID code is a code unique to each anti-theft device and is used to prevent the anti-theft device from being operated by using another remote control unit.

When it is determined that the ID codes match, the command analysis unit 10 determines the type of command, that is, SET or R.
In accordance with ESET, EX, etc., the abnormal state detection unit 15,
It controls the door lock / unlock controller 17, the trunk opener controller 20, and the like.

In the case of the SET command, the abnormal state detector 1
5 and the door lock / unlock control unit 17 are activated.
When the abnormal state detector 15 is activated, the door pin switch 12, the motion sensor 13, the shock sensor 1
When 4 detects the opening and closing of the door, the movement or tilt of the vehicle, and the impact, the alarm device 16 is driven, and an alarm can be issued by a siren sound or the like. Also, the door lock
The unlock control unit 17 instructs the door lock / unlock drive device 18 to perform a door lock operation, and energizes the door lock / unlock drive device 18 for the time width set by the time setting switch 19. Then lock the door.

The door lock / unlock drive device 18 includes a solenoid type and a motor type. The solenoid system requires a large current, but the energization time may be 1 second or less. On the other hand, in the case of the motor system, the current may be small, but the energization time of 3 seconds or less is required. However, if the energization time of the door lock / unlock drive device is set uniformly to 3 seconds or more,
Heat generation of the solenoid and consumption of the battery increase.
Therefore, it is necessary to set the energization time according to the method of the motor or solenoid, and the time setting switch 19 fulfills this function. The time setting switch 19 is set to an optimum energization time value in advance according to the system of the target vehicle.

In the case of a RESET command, the above SET
The reverse control of the command case is performed. That is, the operation state of the abnormal state detection unit 15 is stopped, and the door lock / unlock control unit 17 instructs the door lock / unlock operation.

In addition to the above functions, various arbitrary functions can be provided. For example, if you can't find your car's position in the parking lot, you can easily find it by sounding the horn from a distance or by blinking the room light. It is also possible to put it first and check whether there is a suspicious person.

[0015]

As described above, according to the present invention, in a vehicle equipped with a door lock / unlock drive device for locking and unlocking a door, a plurality of different door open / close, movement, tilt, impact, and other abnormalities are detected. Sensor, an alarm device, a remote control unit having a function of transmitting a telegram that combines an ID code and a command for instructing the setting and cancellation of the anti-theft function, and a reception of receiving a telegram transmitted from the remote control unit. A receiver, a door lock / unlock drive device, a plurality of sensors, an alarm device, a controller connected to each of the receivers, and a time setting switch for setting the energization time of the door lock / unlock drive device. And. The control device also detects an abnormal state based on signals from a plurality of sensors and drives an alarm to generate an alarm sound, and an abnormal state detection unit that controls a door lock / unlock drive device according to an instruction to control the door. A door lock / unlock control unit for energizing the door lock / unlock drive device during the time width set by the time setting switch while locking / unlocking, and the remote control unit for the receiving unit. When the message sent from is received, the message is analyzed and the ID code is checked.
If the code is valid, it will instruct the control according to the type of command, and if the command is to instruct the setting of the anti-theft function, activate the abnormal state detection unit and also lock the door lock / unlock control unit. And a command analysis unit for instructing the door lock / unlock control unit to unlock the door when the command is to release the anti-theft function. Since it is provided, the related automobiles can be operated together, and operability and usability can be improved. In addition, since the energization time of the device can be set according to the drive system of the door unlock drive device, the installation performance of the device to the vehicle is significantly improved.

[0016]

[Brief description of drawings]

FIG. 1 is a configuration diagram of an embodiment of the present invention.

[Explanation of symbols]

 1 Remote Control Unit 2 Anti-Theft Device Main Body 3 Operation Unit 4 Command Input Unit 4a ID Code Memory 5 Transmitter 8 Receiver 9 Control Device 10 Command Analysis Unit 11 ID Code Memory 12 Door Pin Switch 13 Motion Sensor 14 Shock Sensor 15 Abnormal State Detection unit 16 Alarm device 17 Door lock / unlock control unit 18 Door lock / unlock drive device 19 Time setting switch 20 Trunk opener control unit 21 Trunk opener

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI Technical display location G08B 15/00 4234-5G H04Q 9/00 301 B 7170-5K

Claims (1)

[Claims] 1. A vehicle equipped with a door lock / unlock drive device for locking / unlocking a door, and a plurality of different sensors for respectively detecting abnormalities such as door opening / closing, movement, tilt, and impact, and an alarm device. , A remote control unit having a function of transmitting a telegram combining a command for instructing the setting and cancellation of the ID code and the anti-theft function, a receiving unit for receiving the telegram transmitted from the remote control unit, and the door A lock / unlock drive device, a plurality of sensors, an alarm device, and a control device connected to each of the receivers, and the door lock /
And a time setting switch for setting the energization time of the unlock drive device ,. The control device also detects an abnormal state based on signals from a plurality of sensors and drives an alarm to generate an alarm sound, and an abnormal state detection unit that controls a door lock / unlock drive device according to an instruction to control the door. A door lock / unlock control unit for energizing the door lock / unlock drive device during the time width set by the time setting switch while locking / unlocking, and the remote control unit for the receiving unit. When a message sent from a device is received, the message is analyzed and the ID code is checked. If the ID code is valid, the command instructs the control according to the type of command, and the command instructs the setting of the anti-theft function. If it is, the abnormal state detection unit is activated and the door lock / unlock control unit is instructed to lock the door. And a command analysis unit for instructing the door lock / unlock control unit to unlock the door when the operation of the abnormal state detection unit is stopped when instructing to release the difficulty prevention function. Anti-theft device for vehicle.