JPH07217289A - Automobile door lock control device - Google Patents

Abstract

PURPOSE:To enable total cost to be reduced by reducing installation space. CONSTITUTION:An optical signal outputted from a remote control unit 11 for a keyless entry system is received by the photoreceptor 3 of on-vehicle acoustic equipment and converted into a pulse train by a demodulator circuit 4, and a control circuit 6 identifies a control command. A control signal is fed from the control circuit 6 to an actuator 12 according to the identification result, so that a door lock mechanism 13 is driven.

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 control device for remotely controlling locking and unlocking of a vehicle door.

[0002]

2. Description of the Related Art FIG. 6 shows an outline of a conventional vehicle door lock control device (keyless entry system).
In FIG. 6, 14 is a remote control device (remote control) for keyless entry that outputs an optical signal for door lock or unlock by key operation. An example of the signal output from this remote control 14 is shown in FIG. . In FIG. 2, A is a reader unit and B is an identification signal unit consisting of a pulse train, and the code of this identification signal unit B distinguishes between door lock and unlock. Reference numeral 15 denotes a light receiving portion installed near the knob on the outside of the automobile door.
Reference numeral 5 receives the optical signal output from the remote controller 14. 1
Reference numeral 6 denotes a control unit installed inside the console or the like. The control unit 16 includes a demodulation circuit 17 and a demodulation circuit 1 for converting a signal output from the light receiving unit 15 into a pulse train.
It is composed of a control circuit 18 which discriminates the code of the pulse train output from 7 and outputs a control signal. Reference numeral 19 denotes an actuator installed inside the door of the automobile. When a control signal is supplied to the actuator 19, the door lock mechanism 20 is driven, and the door is locked or unlocked.

In FIG. 6, when a key is operated with the remote controller 14, an optical signal is output from the remote controller 14, and this optical signal is received by the light receiving section 15. The signal output from the light receiving unit 15 is converted into a pulse train by the demodulation circuit 17 and input to the control circuit 18. The control circuit 18 determines the code of the pulse train of the input signal and outputs the lock control signal or the unlock control signal. The actuator 19 operates according to the control signal to drive the door lock mechanism 20 to lock or unlock the door.

[0004]

However, since the above-mentioned conventional vehicle door lock control device is composed of independent units, there is a problem that it occupies an installation space and restricts the installation place of other units of the vehicle. It was

The present invention solves the above-mentioned conventional problems, and a part of a door lock control device and an on-vehicle audio (and / or) video device (on-vehicle audio / video device).
It is an object of the present invention to provide an automobile door lock control device that can be installed in a small space and can be reduced in cost by sharing a part of the vehicle door lock.

[0006]

In order to achieve the above object, the present invention has a light receiving means for receiving an optical signal output from a remote control device for an on-vehicle audiovisual equipment, and a light receiving means for receiving the light signal. A control means for determining a signal control command and controlling the vehicle-mounted audio-visual equipment based on the determination result,
A remote control device for an automobile door lock device and an actuator for driving a door lock mechanism are provided, and an optical signal output from the remote control device for an automobile door lock device is received by the light receiving means, and the received signal is received. The control command is discriminated by the control means and a control signal is supplied to the actuator.

[0007]

The present invention has the above-described structure and receives the optical signal output from the remote control device for the on-vehicle audio visual equipment and the optical signal output from the remote control device for the vehicle door lock device in common. Light is received by the means, the control command included in the received light signal is discriminated by the common control means, and based on the discrimination result, the on-vehicle audio-visual equipment or the vehicle door lock mechanism is controlled.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 is a main body of an on-vehicle audio device, and the main body 1 is installed on a dashboard, a center console, etc. in an automobile. Reference numeral 2 is a remote controller for vehicle-mounted audio equipment, and the remote controller 2 outputs the signals shown in FIG. Reference numeral 3 is a light receiving portion which is a light receiving means for receiving an optical signal from the remote controller 2, 4 is a demodulation circuit which converts the output of the light receiving portion 3 into a pulse train, and 5 is an operating portion. The operating portion 5 is for a radio receiver. A plurality of operation buttons such as a preset button, a cassette deck control button, and the like are provided. 6
Is a control circuit which is a control means including a microcomputer, and the control circuit 6 is a signal from the operation unit 5,
Tuner 7, deck 8 according to the signal from the demodulation circuit 4
And the display unit 9 is controlled. Reference numeral 10 is a speaker. The radio receiver or the cassette deck can be controlled by operating the operation buttons of the operation section 5 or the remote control 2. Reference numeral 11 is a remote controller for a keyless entry system, 12 is an actuator installed inside the door of an automobile, and by supplying a control signal from the actuator 12, the door lock mechanism 13 is driven to lock the door. ,
The lock is released.

The door lock control device of this embodiment comprises a remote controller 11, a light receiving section 3 of an on-vehicle audio equipment, a demodulation circuit 4, a control circuit 6, an actuator 12 and a door lock mechanism 13, and the light receiving section. 3, the demodulation circuit 4, and the control circuit 6 are shared by the vehicle-mounted audio equipment and the door lock control device.

3 to 5 show a remote controller 2 for an in-vehicle audio device or a remote controller 11 for a keyless entry system.
The identification signal part of the optical signal output from FIG. FIG. 3 is an identification signal of a cassette deck playback command output from the remote controller 2 of the on-vehicle audio equipment, FIG. 4 is an identification signal of a volume 1 step-up command output from the remote controller 2 of the on-vehicle audio equipment, and FIG. 5 is a keyless entry. The identification signal of the door lock command output from the system remote controller 11 is shown.

Next, the operation of the above embodiment will be described.
When the operation button for reproducing the cassette deck of the remote controller 2 of the vehicle audio equipment is operated, the optical signal shown in FIG. 3 is output.
This optical signal is received by the light receiving section 3, converted into a pulse train by the demodulation circuit 4, and supplied to the control circuit 6. The control circuit 6 discriminates the code of the identification signal portion of the input signal and outputs a reproduction command to the deck 8. The deck 8 which has received the reproduction command starts the reproduction operation of the cassette tape. On the other hand, when the operation button of the remote controller 11 for the keyless entry system is operated, the remote controller 11 outputs the optical signal shown in FIG. 5, for example. This optical signal is received by the light receiving unit 3,
It is converted into a pulse train by the demodulation circuit 4 and supplied to the control circuit 6. The control circuit 6 determines the code of the identification signal portion of the input signal, and outputs the door lock control signal to the actuator 12. Actuator 1 that received the door lock control signal
Reference numeral 2 drives the door lock mechanism 13 to lock or unlock the door of the automobile.

As described above, in the above embodiment, the optical signals from the remote controller 2 for the on-vehicle audio equipment and the remote controller 11 for the keyless entry system are received by the same light receiving section 3 and converted into a pulse train by the demodulation circuit 4. The control circuit 6 discriminates the code of the identification signal portion and controls the tuner 7, the deck 8, the actuator 12 and the like based on the discrimination result. The control unit 16 in the conventional example shown in FIG.
Since it can be built into the main body 1 of the vehicle-mounted audio device, there is an advantage that the installation space in the vehicle interior is reduced and the space in the vehicle interior can be effectively utilized. In the above embodiment,
Since the light receiving unit 3, the demodulation unit 4, and the control circuit 6 are shared by the on-vehicle audio equipment and the keyless entry system, there is an advantage that the total cost can be reduced.

In the above embodiment, the remote controller 2 for the on-vehicle audio equipment and the remote controller 11 for the keyless entry system are used. However, the optical signal for the on-vehicle audio equipment and the keyless entry system are operated from one remote controller. It is also possible to output an optical signal for use in.

The above embodiment is an example in which the on-vehicle audio equipment and the keyless entry system are combined, but not limited to the on-vehicle audio equipment, the on-vehicle audio equipment or the on-vehicle audio equipment and the on-vehicle video equipment. It is also possible to combine the on-vehicle audio / visual equipment and the keyless entry system that are combined.

[0015]

The present invention has the above-described structure, and since the light receiving means and the control means of the keyless entry system utilize the light receiving means and the control means of the on-vehicle audio / visual equipment, the installation space is reduced. The advantage is that the space in the automobile can be effectively used and the total cost can be reduced.

[Brief description of drawings]

FIG. 1 is a block diagram of a vehicle door lock control device according to an embodiment of the present invention.

FIG. 2 is an optical signal waveform diagram of the same embodiment.

FIG. 3 is a waveform diagram of the identification signal section of the optical signal of the same example.

FIG. 4 is a waveform diagram of the identification signal section of the optical signal of the same example.

FIG. 5 is a waveform diagram of the identification signal portion of the optical signal of the same embodiment.

FIG. 6 is a block diagram of a conventional automobile door lock control device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Main body 2 Remote control 3 Light receiving part (light receiving means) 4 Demodulation circuit 5 Operation part 6 Control circuit (control means) 7 Tuner 8 Deck 9 Display part 10 Speaker 11 Remote control 12 Actuator 13 Door lock mechanism

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Hideo Shiozawa Inventor Hideo Shiozawa 4-3-1, Tsunashima-higashi, Kohoku-ku, Yokohama-shi, Kanagawa Matsushita Communication Industrial Co., Ltd. 4th, 3rd, 1st, Matsushita Communication Industrial Co., Ltd.

Claims (3)

[Claims] 1. An automobile door lock control device in which a remote control device for vehicle audio / visual equipment and a remote control device for automobile door lock device are integrated. 2. A light receiving means for receiving an optical signal output from an on-vehicle remote control device for audio / video equipment and a control command for the signal received by the light receiving means are discriminated, and the vehicle is mounted on the basis of the discrimination result. For controlling an audio / visual device for a vehicle, a remote control device for a vehicle door lock device, and an actuator for driving a door lock mechanism, and an optical signal output from the remote control device for a vehicle door lock device. An automobile door lock control device characterized in that the light receiving means receives light, a control command for the received signal is discriminated by the control means, and a control signal is supplied to the actuator. 3. The vehicle door lock control device according to claim 1, wherein the optical signal is converted into a pulse train and the code of the identification signal portion is discriminated.