JPH045662Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention enables the door of a car to be controlled remotely.
This invention relates to a novel device for unlocking and illuminating.

Conventional technology In a typical conventional technology, the door can be opened by inserting a key into the key hole of the car door to unlock it, and then pulling the outside handle provided on the door towards you. The key hole is illuminated by a light source when the outside handle is pulled. Therefore, by pulling the outside handle before inserting the key into the key hole and operating it, it becomes possible to easily insert the key into the key hole in a dark place such as at night. .

Problems to be Solved by the Invention In such conventional technology, the outside handle is pulled before inserting the key into the keyhole, and then the key is inserted while the light is on. , the door is then opened by pulling the outside handle again.
Therefore, the operation to open the door is troublesome.

Furthermore, when the automobile is in a dark place at night, it is difficult to check the outside handle.

In order to solve this problem, it is possible to unlock the door by remote control and turn on the light at that time (for example, Japanese Patent Application Laid-Open No. 49-33800 and Japanese Patent Laid-Open No. 60-119879), but this would reduce the battery's power consumption. increases, causing a new problem of increased battery life.

The purpose of this invention is to make it easier to unlock the car door, to make it easier to see the outside handle of the door in dark places such as at night, and to improve operability. An object of the present invention is to provide a remote unlocking lighting device for a vehicle that can reduce power consumption.

Means for Solving the Problems The present invention consists of a transmitter that generates an unlock signal for unlocking a door, a receiver that is mounted on a car and receives the unlock signal from the transmitter, and a receiver that receives the unlock signal from the transmitter. means for unlocking the door when an unlocking signal is received in response to the output of the vehicle; an illumination light source provided in the vehicle for illuminating the outside handle of the door; and detecting ambient brightness. brightness detection means; responsive to the output from the receiver and the output of the brightness detection means, when an unlocking signal is received when the surroundings are dark, the light source is turned on for a predetermined time; A remote unlocking illumination device for an automobile, characterized in that it includes a light source control means for prohibiting lighting of the light source even if an unlocking signal is received.

Effect According to the present invention, a receiver installed in a car receives an unlocking signal from a transmitter, and the door is unlocked in response to the unlocking signal. When this unlock signal is received, the illumination light source is powered for a predetermined period of time. Therefore, in a dark place such as at night, it is easy to check the outside handle of the car door while the light source is emitting light, improving operability when getting into the car. .

The door is unlocked by the unlock signal generated from the transmitter as described above, and the illumination light source is energized at the same time, making the operation easy.
In addition, the unlock signal from the transmitter is a single code,
It may also be a signal that determines whether the vehicle is unlocked or locked.

Furthermore, the illumination light source is powered only for a predetermined amount of time even when the surroundings are dark. When the surroundings are bright, lighting of the illumination light source is prohibited by the light source control means. In this way, power consumption is reduced.

Embodiment FIG. 1 is a block diagram showing the basic configuration of the present invention, and FIG. 2 is a simplified system diagram thereof.
A driver and the like carry a portable transmitter 1 with them. The car 2 is provided with an antenna 3. The transmitter 1 generates an unlock signal for unlocking the door 4 of the automobile 2 using radio waves. A receiver 5 mounted on the car 2 receives an unlocking signal from the antenna 3, and when this unlocking signal is received, the receiver 5 generates a signal indicating this using a microcomputer or the like. is applied to the processing circuit 6 to be processed. Processing circuit 6 derives an unlocking control signal to line 7;
It is applied to the door lock/unlock control relay 8. Door lock/unlock control relay 8 controls actuator 9 for locking and unlocking door 4 . When the receiver 5 receives the unlock signal, the actuator 9 unlocks the door 4.

A control signal derived from processing circuit 6 on line 7 is also provided to timer 10. Timer 10 is
After receiving the control signal from the line 7, it performs a clocking operation for a predetermined period of time, for example, about 5 seconds. The drive circuit 11 energizes the illumination lamp 12 for a time period of about 5 seconds set by the timer 10. The lamp 12 is provided near the outside handle 4a of the door 4, as shown in FIG. 3, and illuminates the handle 4a. In this way, at the same time as the actuator 9 unlocks the door 4, the lamp 12 illuminates the outside handle 4a for the predetermined time described above, so that the driver etc. The position of the side handle 4a can be easily confirmed, improving operability when riding. Furthermore, since the door is unlocked and illuminated by operating the transmitter 1, operability is improved. In addition to this configuration, the present invention aims to further reduce power consumption, and examples thereof will be described below.

FIG. 4 is a block diagram of an embodiment of the present invention.
FIG. 5 is a system diagram of the embodiment shown in FIG. This embodiment is similar to the configuration shown in FIG. 1 described above, and corresponding parts are given the same reference numerals. It should be noted that in this embodiment, the passenger compartment 14 of the automobile 2
A light receiving element 19 for detecting sunlight or the like is attached to the upper part of the dart board 18. The signal from the light-receiving element 19 is applied to a determination circuit 20 for level discrimination, thereby making it possible to determine whether the surroundings of the vehicle 2 are bright or dark. The determination circuit 20 derives a high-level signal from the line 21 when the surroundings of the automobile 2 are dark, such as at night, and supplies it to one input of the AND gate 22 . When the receiver 5 receives the unlocking signal, the processing circuit 6 derives a high-level signal for unlocking to the line 7, and this signal is given to the relay 8 as in the previous embodiment, and
It is applied to the other input of AND gate 22.
The signal from AND gate 22 is applied to timer 10. The timer 10 performs a clocking operation for, for example, about 5 seconds from when a high level signal is applied from the AND gate 22, and during this period, the drive circuit 11 energizes the illumination lamp 12.

In such an embodiment, the lamp 12 is energized only in a dark place, such as at night, and the lamp 12 is powered on in a bright place, such as in the daytime when there is sunlight, and the power is supplied to the line 21 of the determination circuit 20. signal is low level and therefore AND
The output of the gate 22 remains at a low level,
Timer 10 does not clock, so drive circuit 11 leaves lamp 12 deenergized. In this way, the lamp 12 is not turned on unnecessarily during the daytime, etc., and power consumption can be reduced.

In the above-described embodiment, the transmitter 1 is configured to generate radio waves, but infrared rays, ultrasonic waves, etc. may be used instead of the radio waves.

In addition, the door unlocking and locking signals are made into a single code signal, and door locking/unlocking control is performed so that if the door is locked on the car side, the door is unlocked, and if the door is unlocked, it is locked. It may also be something that operates a relay.

Effects of the Invention As described above, according to the present invention, it is possible to control the unlocking of a car door by operating a transmitter, and the operability is improved. In addition, at the same time as this unlocking, the lighting light source is energized for a predetermined period of time and illuminates the outside handle of the door, making it easy to confirm the position of the outside handle and improve operability when getting into the vehicle. will improve.

Further, according to the present invention, the light source control means turns on the light source for a certain period of time when an unlock signal is received when the surroundings are dark, and prohibits the light source from turning on when the surroundings are bright even if the unlock signal is received. By providing this, it is possible to reduce power consumption and prevent battery build-up.

[Brief explanation of the drawing]

Fig. 1 is a block diagram showing the basic configuration of the present invention, Fig. 2 is a system diagram of Fig. 1, Fig. 3 is a sectional view of the vicinity of the door 4 in Fig. 1, and Fig. 4 is an embodiment of the present invention. FIG. 5 is a system diagram of the embodiment shown in FIG. 1...Transmitter, 2...Car, 5...Receiver,
6...Processing circuit, 8...Door locking/unlocking control relay, 9...Door locking/unlocking actuator, 10
...Timer, 11 ... Drive circuit, 12 ... Illumination lamp, 19 ... Light receiving element, 20 ... Judgment circuit,
22...AND gate.

Claims (1)

[Scope of Utility Model Registration Claim] A transmitter that generates an unlock signal for unlocking a door, a receiver that is installed in a car and receives the unlock signal from the transmitter, and an output from the receiver. means for unlocking the door when an unlocking signal is received in response; an illumination light source provided in the vehicle for illuminating the outside handle of the door; and a brightness detector for detecting ambient brightness. means, in response to the output from the receiver and the output from the brightness detection means, to turn on the light source for a predetermined time when an unlocking signal is received when the surroundings are dark, and to unlock the door when the surroundings are bright; 1. A remote unlocking lighting device for an automobile, comprising: a light source control means for prohibiting lighting of the light source even if a signal is received.