JP2001303827A - Door locking apparatus for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door locking apparatus for a vehicle, which can positively set a door lock without complicated operation. SOLUTION: When a door courtesy switch 26 is turned off (in a door closed state) and the door lock is cancelled, if a key is inserted into a key switch 27, a microcomputer 23 drives a door lock driving device 28, to thereby set the door lock.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle door lock device.

[0002]

2. Description of the Related Art Generally, especially in a freight vehicle, it is necessary to lock a door lock after a driver gets on the vehicle to prevent theft of luggage and the like.

Conventionally, a door lock is locked by a driver operating a switch near a driver's seat. That is, the door lock is manually locked.

[0004]

However, the driver must lock the door lock every time the driver gets on the vehicle, and the operation is complicated. Also, there is a possibility that forgetting to lock may occur.

The present invention has been made in view of such circumstances, and an object of the present invention is to provide a vehicle door lock device that can securely lock a door lock without performing complicated operations. .

[0006]

In order to solve the above problems, according to the first aspect of the present invention, on the condition that the door is closed, the ignition of the ignition key switch from the start of the key insertion operation is started. Key switch OFF
The gist is to automatically lock the door lock based on a predetermined operation performed until the completion of the switching operation from the state to the ON state.

According to a second aspect of the present invention, in the vehicle door lock device according to the first aspect, the door lock is automatically locked when the key is inserted into the ignition key switch. Is the gist.

According to a third aspect of the present invention, in the vehicle door lock device according to the first aspect, the door lock is automatically locked when the ignition key switch is switched from an OFF state to an ON state. It is the gist that it is done.

The "action" of the present invention will be described below. According to the first to third aspects of the present invention, the door lock is automatically locked by a series of operations for starting the engine. For this reason, the driver can securely lock the door lock without performing an operation for locking the door lock after getting on the vehicle. In addition, the door lock is automatically locked when a predetermined operation is performed on the ignition key switch with the door closed, so that there is no inconvenience of locking the key.

According to the present invention, the door lock is automatically locked when the key is inserted into the ignition key switch. Therefore, after the driver gets on,
The door lock can be locked at an early stage.

According to the third aspect of the present invention, the door lock is turned on from the OFF state of the ignition key switch.
Automatically locked when switched to state. For this reason, the door lock can be locked based on the driver's certain intention to start the engine.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is combined with a remote control device for a vehicle will be described below in detail with reference to FIGS.

As shown in FIG. 1, a remote control device 1 for a vehicle is provided.
Is a portable device 11 owned by the owner (driver) of the vehicle 2
And a communication control device 12 mounted on the vehicle 2. The portable device 11 includes a receiving circuit 13, a microcomputer (microcomputer) 14, and a transmitting circuit 15.

The receiving circuit 13 is a communication control device 1 described later.
2 is a circuit for receiving a request signal from the microcomputer 2 and inputting the signal to the microcomputer 14. The microcomputer 14
This is a circuit for outputting a transmission signal (ID code signal) including a predetermined ID code when a request signal from the reception circuit 13 is input. The transmission circuit 15 is a circuit for modulating the ID code signal into a radio wave of a predetermined frequency and transmitting the radio wave to the outside. Note that antennas 16 and 17 are connected to the reception circuit 13 and the transmission circuit 15, respectively.

On the other hand, the communication control device 12 mounted on the vehicle
Includes a transmission circuit 21, a reception circuit 22, and a microcomputer (microcomputer) 23. An antenna 24 is connected to the transmission circuit 21, and an antenna 25 is connected to the reception circuit 22.

The microcomputer 23 includes a door courtesy switch 26, an ignition key switch (hereinafter simply referred to as a “key switch”) 27, and a door lock driving device 28.
Is connected.

The transmission circuit 21 is a circuit for converting a request signal output from the microcomputer 23 into a radio wave of a predetermined frequency, and outputting the request signal to a predetermined area around the vehicle 2 via the antenna 24. .

The receiving circuit 22 receives the ID code signal output from the portable device 11 through the antenna 25, demodulates the ID code signal into a pulse signal, generates a received signal, and converts the received signal into a microcomputer. 23.

The microcomputer 23 includes a C (not shown).
It is a CPU unit composed of PU, ROM, and RAM,
Outputs the request signal intermittently. In addition, microcomputer 2
3 stores a predetermined ID code set in advance, and when the received signal is input, compares the own ID code with the ID code included in the received signal. When the ID codes match, the microcomputer 2
Reference numeral 3 outputs a drive signal to a door lock drive device 28 as various actuators.

More specifically, if the ID code signal from the portable device 11 responds to the request signal output from the antenna 24, the microcomputer 23 determines that the portable device 11 is outside the vehicle and drives the door lock. The device 28 is driven to unlock the door lock. In other words, the driver has the vehicle 2
, The door lock can be unlocked without performing any operation. Also, the communication control device 12 has an ID
When the code signal cannot be received, the microcomputer 2
3 determines that the portable device 11 has left the vehicle and drives the door lock driving device 28 to lock the door lock. That is, the driver can lock the door lock without performing any operation only by leaving the vehicle 2.

Further, in addition to the control of the door lock driving device 28 based on the mutual communication with the portable device 11, the microcomputer 23 also controls the operation state of the key switch 27.
The door lock driving device 28 is driven.
Hereinafter, the operation mode will be described with reference to the flowcharts of FIGS.

As shown in FIG. 2, the microcomputer 23 determines in step S1 whether the door courtesy switch 26 is in the OFF state or not in the door closed state.
When 6 is in the OFF state, it is further determined in step S2 whether or not the door lock is in the unlocked state. Microcomputer 23
If these conditions are satisfied, the process proceeds to step S3 to determine whether or not a key has been inserted into the key switch 27. If it is determined that a key has been inserted into the key switch 27, the process proceeds to step S4. Step S4
, The microcomputer 23 drives the door lock driving device 28 to lock the door lock. That is, key switch 2
When a key is inserted into the key switch 27, the door lock is locked immediately when the key is inserted into the key switch 27. Note that, when the key is inserted into the key switch 27 in the present embodiment, it means when the key insertion is completed.

Further, as shown in FIG.
Determines the closed state of the door in step S5 based on whether the door courtesy switch 26 is OFF, and when the switch 26 is OFF, further determines in step S6 whether the door lock is locked. If these conditions are satisfied, the microcomputer 23 proceeds to step S7 and determines whether or not the key has been removed from the key switch 27. If it is determined that the key has been removed from the key switch 27, the process proceeds to step S8. In step S8, the microcomputer 23 drives the door lock driving device 28 to unlock the door. That is, the removal of the key from the key switch 27 serves as a trigger, and when the key is removed from the key switch 27, the door lock is unlocked immediately.

Therefore, according to the present embodiment, the following effects can be obtained. (1) The door lock is automatically locked when the key is inserted into the key switch 27. That is, the door lock is automatically locked by a series of operations for starting the engine. For this reason, the driver can securely lock the door lock without performing a complicated operation such as an operation for locking the door lock after getting on the vehicle. Thus, forgetting to lock the door lock can be reliably prevented, and security can be improved. In particular, when the present invention is embodied in a cargo vehicle in which the door of the luggage compartment is not visible from the driver's seat, it is possible to reliably prevent theft of luggage after the driver gets on the vehicle.

Further, the door lock is automatically locked when a predetermined operation is performed on the key switch 27 while the door is closed, so that there is no inconvenience of locking the key.

(2) By locking the door when the key is inserted into the key switch 27, the door can be locked early after the driver gets on the vehicle. (3) The door lock is automatically unlocked when the key is removed from the key switch 27. That is, the door lock is automatically unlocked by a series of operations for the driver to get off the vehicle. For this reason, the driver can reliably unlock the door lock without performing an operation for unlocking the door lock, and operability can be improved.

(4) The door lock is automatically unlocked based on the mutual communication between the portable device 11 and the communication control device 12.
Therefore, the driver can unlock the door lock without performing any operation only by approaching the vehicle 2. Further, the driver can lock the door lock without performing any operation only by leaving the vehicle 2.

Moreover, a control unit for automatically locking the door lock after the driver gets on the vehicle, the portable unit 11 and the communication control unit 1
The control unit for locking and unlocking the door based on the mutual communication with the control unit 2 can be performed by one microcomputer 23.

(5) Normally, the key switch 27 has a built-in sensor or switch for determining whether or not a key has been inserted. Therefore, since such existing sensors and switches can be used, the door lock can be locked and unlocked without newly using sensors and switches.

The embodiment of the present invention may be modified as follows. In the above embodiment, when the key is inserted into the key switch 27, the door lock is automatically locked. However, the present invention is not limited to this, and the door lock may be locked when the key switch is switched from OFF to ON. In this way, the door lock can be locked based on the driver's will to start the engine.

In the above embodiment, when the key is inserted into the key switch 27, the door lock is automatically locked. However, the key switch 2 is not limited to this.
The door lock may be locked based on an operation of bringing the key close to the key 7 or an operation of bringing the key into contact with the key switch 27. With this configuration, the door lock can be locked at an earlier stage. However, in this case, it is necessary to separately provide a proximity sensor and a contact sensor.

In the above embodiment, the door lock is automatically unlocked when the key is removed from the key switch. However, this automatic unlocking operation may be omitted. That is, only the automatic locking operation of the door lock may be performed.

In the above-described embodiment, the automatic locking and unlocking of the door lock by the remote control device 1 is performed. However, the automatic locking and unlocking operation may not be performed. That is, the remote control device 1 may be omitted. However,
In this case, it is necessary to provide the vehicle 2 with a control unit (corresponding to the microcomputer 23) for locking the door lock after the driver gets on the vehicle.

[0034]

As described in detail above, according to the first to third aspects of the present invention, the door lock can be securely locked without performing a complicated operation.

According to the invention described in claim 2, the door lock can be locked at an early stage after the driver gets on the vehicle.
According to the third aspect of the present invention, the door lock can be locked based on a certain intention of the driver to start the engine.

[Brief description of the drawings]

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

FIG. 2 is a flowchart showing an automatic locking mode of the door lock in the embodiment.

FIG. 3 is a flowchart showing an automatic unlocking mode of the door lock in the embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Remote operation device, 2 ... Vehicle, 11 ... Portable machine, 12 ... Communication control device, 23 ... Microcomputer (microcomputer), 26 ... Door courtesy switch, 27 ... Key switch, 28 ... Door lock drive device.

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Takao Ozeki 100 Kanayama, Ichiriyama-cho, Kariya-shi, Aichi Prefecture Inside Toyota Auto Body Co., Ltd. F-term in Toyota Auto Body Research Laboratory (reference) 2E250 AA21 BB08 FF27 FF36 HH01 JJ01 JJ02 JJ03 KK03 LL01 SS02 SS03 SS04

Claims (3)

[Claims] 1. A predetermined condition that is performed from the start of a key insertion operation to an ignition key switch to the completion of a switching operation from an OFF state to an ON state of an ignition key switch, on condition that the door is closed. A door lock device for automatically locking a door lock based on the operation of (1). 2. The vehicle door lock device according to claim 1, wherein the door lock is automatically locked when the key is inserted into the ignition key switch. 3. The vehicle door lock device according to claim 1, wherein the door lock is automatically locked when the ignition key switch is switched from an OFF state to an ON state.