JP2001107613A - Vehicle keyless entry device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle keyless entry device to be effectively utilized when a lock device for a vehicle is not required of locking or unlocking. SOLUTION: In a vehicle keyless entry device constituted of a remote unit 3 consisting of an instruction device and a transmitter 5 and a vehicle side unit 4 consisting of a receiver 8 and a controlling circuit 9 and locking or unlocking a door lock device of a vehicle 1 based on a signal from the transmitter 5, a vehicle condition detecting device 11 for detecting a fixed state of the vehicle 1 is provided in the vehicle side unit 4, at the same time, an execution device 10 for executing a specific function other than locking or unlocking of the door lock device of the vehicle 1 is provided, and when it is detected that the vehicle 1 is in a fixed state based on a signal from the vehicle condition detecting device 11, the controlling circuit 9 makes the execution device 10 execute the specific function based on the signal from the transmitter 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a vehicle keyless entry device.

[0002]

2. Description of the Related Art Generally, in a vehicle keyless entry device, when a remote unit is pointed at a vehicle and a lock switch or an unlock switch is pressed, a lock or unlock command signal is transmitted from a transmitter. When the receiver provided in the vehicle unit receives the command signal, the control circuit provided in the vehicle unit locks or unlocks the door lock device of the vehicle based on the command signal.

[0003]

However, the conventional vehicle keyless entry device has only the function of locking or unlocking the door lock device. For example, the conventional vehicle keyless entry device locks or unlocks the door lock device of the vehicle such as during running or parking. When there is no need to lock, there is a problem that the vehicle keyless entry device is not used effectively.

The present invention has been made in view of the above-mentioned conventional problems, and has an extended function other than a function of locking or unlocking a door lock device of a vehicle, so that the vehicle keyless can be effectively utilized. It is an object to provide an entry device.

[0005]

Means for Solving the Problems As means for solving the above problems, the invention of claim 1 comprises a remote unit comprising command means and a transmitter, a receiver and a control circuit. In a vehicle keyless entry device comprising a vehicle side unit for locking or unlocking a vehicle door lock device based on a signal, the vehicle side unit is provided with vehicle state detection means for detecting a certain state of the vehicle, An execution unit for executing a predetermined function other than locking or unlocking of the door lock device is provided, and the control circuit detects that the vehicle is in a constant state based on a signal from the vehicle state detection unit. At this time, the execution unit is caused to execute a predetermined function based on a signal from the transmitter.

According to a second aspect of the present invention, the vehicle state detecting means detects a state in which an ignition switch is turned on, and the executing means turns on or off a fog lamp of the vehicle. is there.

According to a third aspect of the present invention, the vehicle state detecting means detects a state in which a door of the vehicle is open, and the executing means turns on or off a room lamp of the vehicle. It is.

(Operation) According to the first aspect of the present invention, when the control circuit detects that the vehicle is in a constant state based on a signal from the vehicle state detecting means, based on a signal from the transmitter. Since the locking device of the vehicle performs predetermined execution means other than locking or unlocking, when the vehicle is in a certain state, the control circuit can perform an operation other than locking or unlocking. .

According to the second aspect of the present invention, the control circuit can turn on and off the fog lamp when the ignition switch is on. This makes it easy for the driver to turn on and off the fog lamp when necessary while the vehicle is running.

According to the third aspect of the present invention, the control circuit can turn on and off the room lamp when the door is open. Thus, when the vehicle is parked and the door is opened and closed, turning on and off the room lamp can be easily performed at the driver's hand when necessary.

[0011]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIG. 1 shows a vehicle 1 having a vehicle keyless entry device according to an embodiment of the present invention. The vehicle keyless entry device includes a remote unit 3 and a vehicle-side unit 4 incorporated in a holding portion of the key 2.

The remote unit 3 includes a lock switch 6 and an unlock switch 7 provided on the grip, and a lock switch 6 and an unlock switch 7 built in the grip. A general transmitter 5 for transmitting a corresponding locking command signal or unlocking command signal. The vehicle side unit 4 includes a receiver 8, a control circuit 9,
It comprises an execution unit 10, a vehicle state detection unit 11, and a door lock device drive circuit 16.

The receiver 8 is connected to the remote unit 3
The command signal corresponding to each switch from the transmitter 5 is received. The control circuit 9 controls the execution means 10 and the door lock device drive circuit 16 based on a command signal from the receiver 8 corresponding to each switch. The execution means 10 includes a fog lamp lighting circuit 12 for turning on and off the fog lamp and a room lamp lighting circuit 13 for turning on and off the room lamp. The vehicle state detecting means 11 includes an IG detecting means 14 for detecting whether an ignition switch of the vehicle 1 is turned on and a door opening / closing detecting means 15 for detecting whether a door of the vehicle 1 is open. .

Next, the operation of the control circuit 9 of the vehicle keyless entry device having the above configuration will be described.

Step 1 shown in the flowchart of FIG.
01, it is determined that the receiver 8 has received the command signal from the transmitter 5 of the remote unit 2, and in step 102, it is determined that the registration number included in the command signal matches the previously stored registration number. , Step 103
In the control circuit 9, the ignition detection means 14
Is determined based on the signal from the ignition switch. Here, when it is determined that the ignition switch is on, it is determined in step 107 whether or not the lock switch 6 is turned on, and when it is determined that the lock switch 6 is turned on, step 1 is performed.
At 13, the fog lamp is turned on via the fog lamp lighting circuit 12. If it is determined that the lock switch 6 is not turned on, it is determined in step 108 whether or not the unlock switch 7 is turned on. If it is determined that the unlock switch 7 is turned on, in step 114,
The fog lamp is turned off via the fog lamp lighting circuit 12.

If it is determined in step 103 that the ignition switch is not on, step 104
In, the control circuit 9 determines whether or not the door is open based on a signal from the door opening / closing detecting means 15.
If it is determined that the door is open, step 1
In step 09, it is determined whether or not the lock switch 6 is turned on. If it is determined that the lock switch 6 is turned on, the room lamp is turned on through the room lamp lighting circuit 13 in step 115. When it is determined that the lock switch 6 is not turned on, in step 110,
It is determined whether or not the unlock switch 7 has been turned on. If it is determined that the unlock switch 7 has been turned on, the room lamp is turned off via the room lamp lighting circuit 13 in step 116.

If it is determined in step 104 that the door has not been opened, it is determined in step 105 whether the unlock switch 7 has been turned on. If it is determined that the unlock switch 7 has been turned on, the process proceeds to step 11
In 1, the door lock device of the vehicle 1 is unlocked via the door lock device drive circuit 16. If it is determined that the unlock switch 7 is not turned on, it is determined in step 106 whether or not the lock switch 6 is turned on. If it is determined that the lock switch 6 is turned on, step 11 is performed.
In 2, the door lock device of the vehicle 1 is locked via the door lock device drive circuit 16.

Thus, for example, after the driver gets on the vehicle 1 and turns on the ignition switch using the key 2, when he or she needs the fog light, he turns on the locking switch 6 to turn on the fog light. When the fog lamp becomes unnecessary, the fog lamp can be turned off by turning on the unlock switch 7. When the driver opens the door of the vehicle 1 using the key 2 and gets on or off the vehicle,
By turning on the lock switch 6 when the room lamp is necessary, the room lamp can be turned on.
When the room lamp becomes unnecessary, the room lamp can be turned off by turning on the unlock switch 7.

As described above, when the vehicle is not locked or unlocked during running or stopping, such as when the ignition switch is on or the door is open, the locking and unlocking switch 6 of the remote unit 3 By turning on 7, the fog lamp and room lamp other than normal locking or unlocking are turned on and off.
The vehicle keyless entry device can be effectively used. Accordingly, it is not necessary to separately provide a lighting switch for the fog lamp or the room lamp, and it is possible to reduce a harness for connecting the lighting switch to the lighting circuit. Further, since the remote unit 3 of the vehicle keyless entry device is used, the key 2 having the remote unit 3 is usually inserted into the ignition switch when the user is using the vehicle 1, so that the user can quickly and easily keep the key at hand. Each execution means 10 can be operated.

In the above embodiment, the turning on and off of the fog lamp and the room lamp can be performed as an extended function of the vehicle keyless entry device. Alternatively, an extinguishing switch may be attached to, for example, a steering wheel of the vehicle 1 together with the transmitter, and a signal for turning on / off a fog lamp or a room lamp may be transmitted from the transmitter to the receiver 8 to activate the execution means 10. Thus, the number of harnesses connecting the switch and the control circuit 9 can be reduced, and the switch can be operated by the driver.

[0022]

As is apparent from the above description, according to the first aspect of the present invention, an operation other than the usual locking or unlocking can be performed by the keyless entry device of the vehicle. When you do not need to lock
The vehicle keyless entry device can be effectively used. As a result, it is not necessary to provide a switch corresponding to the execution means in the vehicle, and the number of parts and the number of harnesses can be reduced. In addition, since the remote unit of the vehicle keyless entry device is used, when the user is using the vehicle, the key having the remote unit is usually inserted into the ignition switch, so that the user can operate each execution means at hand. it can.

According to the second aspect of the present invention, when the ignition switch is on, the fog lamp can be turned on and off. As a result, while the vehicle is running,
The fog lamp can be easily turned on and off when necessary at the driver's hand.

According to the third aspect of the present invention, the room lamp can be turned on and off when the door is open. Thus, when the vehicle is parked and the door is opened and closed, the turning on and off of the room lamp can be easily performed at the driver's hand when necessary.

[Brief description of the drawings]

FIG. 1 is a schematic view of a vehicle including a vehicle keyless entry device according to an embodiment of the present invention.

FIG. 2 is a flowchart showing an example of the operation of the vehicle keyless entry device of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vehicle 2 Key 3 Remote unit 4 Vehicle side unit 5 Transmitter 6 Lock switch 7 Unlock switch 8 Receiver 9 Control circuit 10 Execution means 11 Vehicle state detection means 12 Fog lamp lighting circuit 13 Room lamp lighting circuit 14 IG detection means 15 Door Open / close detection means 16 Door lock device drive circuit

Claims (3)

[Claims] 1. A remote unit comprising a command means and a transmitter, and a vehicle unit comprising a receiver and a control circuit, and locking or unlocking a door lock device of a vehicle based on a signal from the transmitter. In the vehicle keyless entry device, the vehicle-side unit is provided with a vehicle state detection unit that detects a certain state of the vehicle, and an execution unit that performs a predetermined function other than locking or unlocking the door lock device of the vehicle is provided. The control circuit executes a predetermined function to the execution unit based on a signal from the transmitter when detecting that the vehicle is in a constant state based on a signal from the vehicle state detection unit. A keyless entry device for a vehicle, wherein the keyless entry device is used. 2. The vehicle state detecting means for detecting a state in which an ignition switch is turned on, and the execution means for turning on or off a fog lamp of the vehicle. An apparatus according to claim 1. 3. The vehicle state detecting means detects a state in which a door of the vehicle is open, and the executing means turns on or off a room lamp of the vehicle. Item 3. The apparatus according to Item 1 or 2.