JP2620349B2 - Keyless door lock device for vehicles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] <Industrial Application Field> The present invention generally relates to a remote control device for a vehicle, and in particular, selectively locks a plurality of doors and the like of a vehicle by remote control from outside the vehicle. Also, the present invention relates to a keyless door lock device for a vehicle to be unlocked.

<Prior Art> Conventionally, various keyless door lock devices for vehicles for remotely controlling locking and unlocking of doors of automobiles have been proposed. Such a door lock device is disclosed in, for example,
As disclosed in -32074, when an electronic code signal such as infrared light is transmitted from a portable transmitter to a receiver on the vehicle body side, a control device operates based on this signal to operate a door or the like. Unlock or lock.

In this way, the position where the locking and unlocking of the door can be remotely controlled is generally limited to a narrow range near the driver's seat side door. However, if a radio signal is used so that the vehicle body can be remotely controlled from all directions and the receiver is made non-directional, for example, it is desired to selectively operate only the driver side door, the passenger side door or the trunk. Nevertheless, other door locks may unnecessarily operate. For this reason, it is necessary to check the locked / unlocked state of another door or the like every time the power is consumed excessively or the transmitter is operated, so that the operation tends to be complicated. Therefore, a method of selecting and transmitting a plurality of different code signals by providing a plurality of switches in the transmitter or selectively using switch operations according to the operation mode can be considered. The problem is that the electrical and electrical systems are complicated. In addition, providing separate receiving means for each door or the like has the disadvantage that the number of parts is increased, manufacturing and assembly are troublesome, and the manufacturing cost is increased. In particular, since the trunk is separated from other doors, for example, if a receiver is provided near the lock device, a relatively long signal line is required, so it is easy to pick up noise and transmission and reception of signals becomes unstable, Problems also arise in terms of operational reliability.

<Problem to be Solved by the Invention> Accordingly, an object of the present invention is to provide a simple and reliable locking and unlocking of a desired door or the like by a single transmitting means and a single switch operation, and An object of the present invention is to provide a keyless door lock device for a vehicle that can reduce the number of points and reduce the cost.

[Configuration of the Invention] <Means for Solving the Problems> According to the present invention, a plurality of door locks for locking and unlocking doors on both sides and a rear door or trunk of a vehicle, respectively, according to the present invention, A plurality of actuators for driving each of the door locks, a control device for controlling the operation of each of the actuators, a receiver connected to the control device, and a signal for locking or unlocking the door or trunk. A keyless door lock device for a vehicle, comprising: a transmitter generated toward the receiver, wherein the receiver has two receivers respectively corresponding to left and right doors of the vehicle, and a rear door or trunk. And one corresponding receiver, wherein the three receivers are arranged in a single receiving unit disposed at a specific place in the vehicle cabin of the vehicle, so that the three receivers do not interfere with each other. It is accomplished by providing a vehicle keyless door lock apparatus characterized by being arranged such that the area and the reception sensitivity range.

<Operation> With this configuration, a signal transmitted from the outside of the vehicle to the inside of the vehicle is received by the receiver by a single transmission means and a single switch operation, and a desired door or the like corresponding to the transmission position is received. Can be locked or unlocked.

<Embodiment> Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 schematically shows a configuration of a keyless door lock device for a vehicle according to the present invention. The first door lock 5, the second door lock 6, and the trunk lock 7 provided on the driver's seat side door 2, the passenger's seat side door 3 and the trunk lid 4 at the rear of the vehicle body of the automobile 1 respectively have a first driving mechanism for driving them. The actuator 8, the second actuator 9, and the third actuator 10 are connected to each other. Each of the actuators 8 to 10 is a control device for controlling their operation.
Connected to 11. The control device 11 is connected to a receiver 12 arranged in the cabin of the automobile 1. Receiver 12
Is mounted, for example, on the ceiling 13 in the vehicle compartment as shown in FIG. In another embodiment, the receiver can be arranged on an instrument panel or on a seat or the like.

In the present embodiment, a key device 16 having a mechanical key 15
The transmitter 18 is built in the gripping part 17 of. The transmitter 18
By pressing a push button switch 19 provided on the upper surface of the grip portion 17, a unique infrared code signal is transmitted from the pair of light emitting elements 19, for example, made of LEDs, toward the tip of the mechanical key 15.

As shown in FIG. 2, the receiver 12 has three light receiving sections 21 to 23 arranged on both left and right sides and rearward of the vehicle body. As shown in FIG. 3, tapered openings 24 to 26 having opening angles θ1, θ2, and θ3 are formed in the light receiving units 21 to 23, respectively, inside the receiver 12, and, for example, a photodiode The light receiving elements 27 to 29 are arranged.

The first and second light receiving elements 27 and 28 are arranged such that the light receiving shafts 27a and 28a extend in opposite directions toward the left and right sides of the vehicle body. The third light receiving element 29 is disposed so that the light receiving axis 29a extends rearward of the vehicle body at angles θ and θ ′ with the light receiving axes 27a and 28a, respectively. Thereby, the light receiving range of each light receiving element 27 to 29 in the horizontal direction is
Opening angles θ1 to θ3 of each of the openings 24 to 26 with the center at 29 to 29a
Are determined so as not to interfere with each other within the range of. As shown in FIGS. 4 and 5, the light receiving range in the vertical direction of each of the light receiving elements 27 to 29 is limited to the left and right side windows and the rear window of the automobile 1 by the straightness of light. Each angle is determined within the range of angles φ1 to φ3 with the center at 12.

In this way, as shown in FIG. 1, the light receiving areas 31 to 33 where the respective light receiving elements 27 to 29 can receive the infrared code signal from the transmitter 18 well do not interfere with each other with the receiver 12 as a center. As described above, the driver seat side door 2, the passenger seat side door 3 and the trunk lid 4 are set in the vicinity of both sides and the rear of the vehicle body 1, respectively. Therefore, any of the light receiving areas 31
When the transmitter 18 is operated within ~ 33, the corresponding specific
Since only the light receiving elements 27 to 29 of 21 to 23 receive the signal, the control device 11 can select and lock or unlock a desired door or the like.

FIG. 4 shows the internal configuration of the control device 11.
The control device 11 includes a code signal matching unit 34 connected to each of the light receiving units 21 to 23, a code storage unit 35 and a reception position determination unit.
Connected to 36. The receiving position determining means 36 is connected to an operation mode determining means 37 for determining whether the door is locked or unlocked. The operation mode determining means 37 is connected to first to third output means 38 to 40 connected to the first to third actuators 8 to 10, respectively.

The infrared code signal transmitted from the transmitter 18 is input to the code signal matching means 34 of the control device 11 via the first, second or third receiver corresponding to the transmission position, and the code storage means 35 Is compared with the unique code signal stored in the. If the collation results match, the code signal collation means
Based on the output from 34, the receiving position determining means 36 determines the receiving position of the signal, that is, the specific receiver that has received the signal, and determines which of the door locks 5 to 7 should be activated. The operation mode discriminating means 37 discriminates whether to be locked or unlocked based on the output from the receiving position discriminating means 36, and performs a corresponding first or second operation.
Alternatively, the third output means 38 to 40 are operated, and the corresponding actuators 8 to 10 are driven to unlock or lock the desired door lock.

Note that the present invention is not limited to the above-described embodiment,
Various modifications and changes can be made to these and implemented. For example, remote control can be performed using a signal using a weak radio wave having directivity as a medium instead of the infrared signal.
Further, the present invention can be applied not only to unlocking / locking of a door lock, but also to a case where opening and closing of each window glass is remotely controlled from outside the vehicle.

[Effects of the Invention] As described above, according to the present invention, the three light receiving units for locking / unlocking the doors on the left and right sides and the rear door or the trunk by remote control are concentrated on the receiving unit in the vehicle compartment. Since the light receiving areas of the respective light receiving sections are arranged so as not to interfere with each other corresponding to each door, the light receiving area corresponding to a desired door or the like is operated by a single transmitter and a single switch operation. By sending a signal from
Only a specific light receiving section receives a signal and drives a corresponding actuator, and only a desired door can be easily and reliably locked / unlocked, and the centralized arrangement of the receiver reduces the number of parts and reduces cost. The cost can be reduced, and the operation reliability can be improved by shortening the signal line.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing the configuration of a vehicle keyless door lock device according to the present invention. FIG. 2 is a perspective view showing an installation state of the receiver. FIG. 3 is a plan view showing the inside of the receiver. 4 and 5 are a front view and a side view of the automobile shown in FIG. 1 showing the light receiving range of the receiver 12, respectively. FIG. 6 is a block diagram showing an internal configuration of the control device. DESCRIPTION OF SYMBOLS 1 ... Automobile 2 ... Driver side door 3 ... Passenger side door 4 ... Trunk lid 5 ... First door lock, 6 ... Second door lock 7 ... Third door lock, 8 ... ... First actuator 9 ... Second actuator 10 ... Third actuator 11 ... Control device, 12 ... Receiver 13 ... Ceiling, 15 ... Mechanical key 16 ... Key device, 17 ... Grip section 18 ... ... Transmitter, 19 ... Push button switch 20 ... Light emitting element, 21 ... First light receiving part 22 ... Second light receiving part, 23 ... Third light receiving part 24-26 ... Opening, 27 ... First Light receiving element 28: second light receiving element 29: third light receiving element 27a to 29a light receiving axis 31 to 33 light receiving area 34 code code collating means 35 code storage means 36 receiving position discrimination Means 37 Operation mode discriminating means 38 First output means 39 Second output means 40 Third output means

Claims (1)

(57) [Claims] 1. A plurality of door locks for locking and unlocking doors on both sides and a rear door or trunk of a vehicle, a plurality of actuators for driving each of the door locks, and controlling operation of each of the actuators. A keyless door lock device for a vehicle, comprising: a control device that performs the following steps: a control device, a receiver connected to the control device, and a transmitter that generates a signal for locking or unlocking the door or the trunk toward the receiver. Wherein the receivers correspond to left and right doors of the vehicle, respectively.
One receiver and one corresponding to the rear door or trunk
And three receivers, wherein the three receivers are provided in one receiving unit disposed at a specific place in the cabin of the vehicle so that a spatial region that does not interfere with each other is set as a receiving sensitivity range. A keyless door lock device for a vehicle.