JPH10217842A - Vehicle lighting control device - Google Patents

Abstract

(57) [Problem] To provide a vehicle lighting control device capable of improving the sense of distance of a car on a rainy day and safely driving a vehicle without adding an input device. SOLUTION: An illumination light switch 11 operates to turn on rear lights 19a and 19b provided at a front part and a rear part of a vehicle, a wiper switch 15 operates a wiper 24, and an illumination light control part 17 is provided. Turns on the back light 19a and the head light 19b in response to a light switch signal from the light switch 11 and turns on the rear light 19a and the head light 19b in response to a wiper switch signal from the wiper switch 15.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicular illuminator control device for controlling blinking of a headlamp and a rearlamp mounted on a vehicle such as an automobile.

[0002]

2. Description of the Related Art An automobile is equipped with a headlight (headlight) at the front of the vehicle and a taillight (taillight) at the rear of the vehicle. 2. Description of the Related Art A vehicle illumination light control device that turns on these illumination lights at night or the like to improve the driver's visibility and prevent a rear-end collision or the like is installed in an automobile.

FIG. 4 is a block diagram showing the configuration of a conventional vehicle lighting control apparatus of this kind. In the vehicle illumination light control device shown in FIG. 4, when the rear light switch 11a or the headlight switch 11b of the illumination switch 11 is operated, the illumination light control unit 170 causes the rear light to be controlled according to the operated switch. The headlight 19a or the headlight 19b is turned on.

When the auto position switch 11c is operated, the illuminance sensor 13 detects the brightness of the outside of the vehicle, and the illuminating light control unit 170 determines whether the outside of the vehicle is bright based on the sensor signal from the illuminance sensor 13. Is the taillight 19a
The headlight 19b is turned off, and when the outside of the vehicle is dark, the headlight 19a and the headlight 19b are turned on.

On the other hand, when the rain falls, wiper control is performed in order to improve the visibility even slightly. In this wiper control device, as shown in FIG.
a, a low wiper switch 15b, and a high wiper switch, when any one of the wiper switches 15 is operated, the wiper motor control unit 21 controls the speed of the wiper motor 23 according to the operated switch to thereby control the wiper motor 23. Is reciprocated.

[0006]

However, when it rains, the visibility becomes worse, so that the sense of distance of the car is less than that on a sunny day. For this reason, there has been a problem that a rear-end collision is likely to occur.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vehicle lighting control device capable of improving the sense of distance of a vehicle on a rainy day and safely operating a vehicle without adding an input device. .

[0008]

The present invention employs the following means in order to solve the above-mentioned problems. The invention of claim 1 is
An illuminator switch for lighting and illuminating an illuminator provided at a front portion and a rear portion of a vehicle; a wiper switch for operating a wiper; and an illuminator illuminated by an illuminator switch signal from the illuminator switch, the wiper switch. And a lighting control unit for turning on the lighting in response to a wiper switch signal from the control unit.

According to the present invention, when the lighting switch is turned on, the lighting control unit turns on the lighting in response to the lighting switch signal from the lighting switch, and when the wiper switch is operated, the lighting control unit is turned on. Since the illumination lamp is turned on by the wiper switch signal from the wiper switch,
It is possible to improve the sense of distance of a car on a rainy day and perform safe vehicle operation without adding any additional input device.

[0010] In the invention according to claim 2, the illuminating light switch has a headlamp switch for illuminating the headlight of the vehicle and a headlight switch for illuminating the rearlight of the vehicle. The illuminating light control unit turns on the headlight or the taillight according to an illuminating light switch signal from the headlight switch or the taillight switch, and controls the headlight according to a wiper switch signal from the wiper switch. At least one of a lamp and the taillight is turned on.

According to the present invention, the illuminating light control section turns on the headlamp or the taillight according to the illuminating light switch signal from the headlight switch or the taillight switch, and responds to the wiper switch signal from the wiper switch. By illuminating at least one of the headlight and the taillight, the sense of distance of the vehicle is further improved on a rainy day, and safer vehicle operation can be performed.

According to a third aspect of the present invention, there is provided an illuminance sensor for detecting an illuminance outside the vehicle, and
An auto switch is provided, and the illumination light control unit blinks the headlight and the taillight based on an illuminance value from the illuminance sensor when the auto switch is operated.

According to the present invention, when the illuminance sensor detects the illuminance outside the vehicle, the illuminating light control unit switches the headlight and the backlight based on the illuminance value from the illuminance sensor when the auto switch is operated. Flash. In other words, the headlight and the taillight can be turned on and off regardless of the brightness of the outside of the vehicle simply by operating the auto switch, so that the burden on the driver to operate the switch can be reduced.

According to a fourth aspect of the present invention, the wiper switch includes an intermittent wiper switch for intermittently operating the wiper, a low wiper switch for operating the wiper at a first speed, and a first wiper switch for operating the wiper. Second greater than speed
A high wiper switch that operates at a speed of, the illumination light control unit turns on only the taillight when the auto switch is operated and the intermittent wiper switch or the low wiper switch is operated, The headlight and the taillight are turned on when the auto switch is operated and the high wiper switch is operated.

According to the present invention, the illuminating light control unit turns on only the taillight when the auto switch is operated and the intermittent wiper switch or the low wiper switch is operated, and the auto switch is operated and the high wiper switch is operated. When the is operated, the headlight and the taillight are turned on. That is, since the number of lighting of the illumination lamps is changed according to the degree of rainfall, safer vehicle operation can be performed.

[0016]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a vehicle lighting control apparatus according to an embodiment of the present invention. FIG.
FIG. 1 shows a configuration block diagram of an embodiment of a vehicle illumination light control device of the present invention. The vehicle lighting control device shown in FIG. 1 includes a lighting switch 11, an illuminance sensor 13, and a wiper switch 1.
5, illumination light control unit 17, rear light 19a, headlight 19b,
Wiper motor controller 21, wiper motor 23, wiper 2
4.

The illuminating light switch 11 is for turning on and off the illuminating light of the automobile, and is a headlight switch 11a for illuminating and operating the rear light 19a of the automobile and a headlight switch for illuminating and operating the headlight 19b of the automobile. 11b, an auto position switch 11c for automatically operating the headlights 19a and 19b to blink. The illuminance sensor 13 detects illuminance outside the vehicle.

The illumination light control unit 17 includes the headlight switch 11
The headlight 19b or the taillight 19a is turned on by the light switch signal from b or the rearlight switch 11a. When the illuminance value from the illuminance sensor 13 is large when the auto position switch 11c is operated, the illuminating light control unit 17 turns off the headlamp 19b and the backlight 19a, and the illuminance value from the illuminance sensor 13 is reduced. When it is small, the headlight 19b and the taillight 19a are turned on.

The wiper switch 15 is for operating the wiper 24. The intermittent wiper switch 15a for operating the wiper 24 intermittently, the low wiper switch 15b for operating the wiper 24 at the first speed, and the wiper 24 for the first High wiper switch 1 operated at a second speed greater than the speed of
5c.

The illuminating light control unit 17 is operated by the automatic position switch 11c and the intermittent wiper switch 15b.
Alternatively, when the low wiper switch 15b is operated, only the headlight 19a is turned on, and the auto position switch 1 is turned on.
When the switch 1c is operated and the high wiper switch 15c is operated, the headlight 19b and the taillight 19a are turned on.

The wiper motor control section 21 controls the speed of the wiper motor 23 by operating one of the intermittent wiper switch 15a, the low wiper switch 15b, and the high wiper switch 15c. Wiper motor 2
Numeral 3 reciprocates the wiper 24 according to a control signal from the wiper motor control unit 21.

FIG. 2 shows a detailed circuit configuration diagram of the illumination light control unit 17. The lighting control unit 17 shown in FIG.
5. The input side is connected to the OR circuit 25 and the output side is
9a is connected to an AND circuit 27, and the output side is
a and an AND circuit 29 connected to the headlight 19b.

The OR circuit 25 includes an intermittent wiper switch 15
The logical OR of the intermittent wiper switch signal from b and the low wiper switch signal from the low wiper switch 15b is calculated. The AND circuit 27 includes the auto position switch 11
Auto position switch signal from OR and OR circuit 25
The logical product is taken with the logical sum output from the controller, and the rear light 19a is turned on by the logical product output.

The auto position switch signal from the auto position switch 11c and the high wiper switch 15
The logical product of the headlight 19a and the headlight 19b is turned on by the logical product of the logical product with the high wiper switch signal from c.

Next, the operation of the vehicle illuminating light control device of the embodiment configured as described above will be described. First, the operation at night when it does not rain will be described. When the driver operates the headlight switch 11b or the headlight switch 11a,
The lighting control unit 17 turns on the headlight 19b or the taillight 19a according to the lighting switch signal from the headlight switch 11b or the headlight switch 11a. Thereby, the visibility at night can be improved.

When the illuminance sensor 13 detects the illuminance outside the vehicle when the auto position switch 11c is operated, the illuminating light controller 17 controls the illuminance sensor 1
When the illuminance value from No. 3 is large, the headlight 19b and the backlight 19a are turned off, and when the illuminance value from the illuminance sensor 13 is small, the headlight 19b and the rearlight 19a are turned on. Thereby, the visibility at night can be improved.

Next, the operation on a rainy day will be described. When the rain falls slightly, the intermittent wiper switch 15a is operated. When the rain falls to a normal level, the wiper switch 15b is operated. When the rain falls heavily, the high wiper switch 15c is turned on. Manipulate. That is, depending on the degree of the rain, the driver can select the intermittent wiper switch 15a,
One of the wiper switch 15b and the high wiper switch 15c is operated.

Then, for example, the high wiper switch 15
When c is operated, the wiper motor control unit 21
The wiper motor 23 is rotated at a second speed (high speed) in response to the high wiper switch signal from the high wiper switch 15c, and the wiper 24 reciprocates on the windshield (not shown) at high speed by the driving force from the wiper motor 23. .

When any one of the wiper switches 15 is operated and the auto position switch 11c is operated, the illumination light control unit 17
The lighting control of the headlight 19b and the taillight 19a is performed.

First, when the rain falls slightly or to a normal level, the intermittent wiper switch 15a or the low wiper switch 15b is operated and the automatic position switch 1 is turned on.
Operate 1c. In this case, the OR circuit 25 in the illuminating light control unit 17 shown in FIG. 2 uses the intermittent wiper switch signal from the intermittent wiper switch 15 b and the low wiper switch 15.
The logical sum with the low wiper switch signal from b is obtained, and the logical sum output “1” is output to the AND circuit 27.

The AND circuit 27 takes the logical product of the auto position switch signal from the auto position switch 11c and the logical sum output "1" from the OR circuit 25. The logical product output "1" turns on the rear lamp 19a. Turn on.
In this case, the rear light 19a is turned on because there is little risk that the driver behind will collide with the driver ahead.

Next, when it rains heavily, the high wiper switch 15c and the auto position switch 11c are operated. In this case, the illumination light control unit 1
7 has an auto-position switch 11
The logical product of the auto position switch signal from c and the high wiper switch signal from the high wiper switch 15c is calculated, and the rear light 19a and the headlight 19b are turned on by the logical product output "1".

As described above, on a rainy day, the illuminating light control unit 17 turns on the headlights 19a and 19b in response to the wiper switch signal from the wiper switch 15, so that an additional input device is added. This makes it possible to improve the sense of distance of the car on a rainy day and to operate the vehicle safely on a rainy day. In addition, since only the headlights 19a are turned on or the headlights 19a and the headlights 19b are turned on according to the degree of rain and the number of lights turned on is changed, safer vehicle operation is performed. Can be.

Next, an embodiment in which the vehicle illumination light control device is applied to a vehicle multiplex communication system will be described. FIG. 3 is a block diagram showing a configuration in which the vehicle illumination light control device shown in FIG. 1 is applied to a vehicle multiplex communication system.

The vehicle multiplex communication system shown in FIG. 3 has the above-mentioned vehicle illuminating light control device and an electronic control unit (hereinafter referred to as an ECU) 31 mounted on an automobile.
Is connected to the ECU 37 via the multiplex communication line 35.

The ECU 31 and the ECU 37 mutually transmit and receive data via the multiplex communication line 35. Illumination light switch 11, wiper switch 15, illuminance sensor 13, and wiper motor 2 which constitute a part of the vehicle illumination light control device
Reference numeral 3 is provided on the input side of the ECU 31. The ECU 31 has an input processing unit 33 and a wiper motor control unit 21.

The wiper motor control section 21 constitutes a part of the vehicle illumination light control device, and controls the speed of the wiper motor 23 according to a wiper switch signal from the wiper switch 15. The input processing unit 33 receives switch signals and sensor signals from the illumination light switch 11, the wiper switch 15, and the illuminance sensor 13, and inputs an EC via the multiplex communication line 35.
Output processing to U37.

The ECU 37 constitutes a part of the vehicle lighting control device, and has the lighting control unit 17. Lighting control unit 1
7 turns on the headlight 19b or the taillight 19a based on the switch signal and the sensor signal from the input processing unit 33, and when the illuminance value from the illuminance sensor 13 is large when the auto position switch 11c is operated, Headlight 19
When the illuminance value from the illuminance sensor 13 is small, the headlamp 19b and the taillight 19a are turned on.

When the automatic position switch 11c is operated and the intermittent wiper switch 15a or the low wiper switch 15b is operated, the illuminating light control unit 17 turns on only the rear lamp 19a and operates the automatic position switch 11c. When the high wiper switch 15c is operated, the headlight 19b and the rear light 19a are turned on. Thus, even when the vehicle illumination light control device is applied to the vehicle multiplex communication system, the same effects as those of the embodiment can be obtained.

[0040]

According to the present invention, when the lighting switch is turned on, the lighting control unit turns on the lighting according to the lighting switch signal from the lighting switch, and when the wiper switch is operated, the lighting control is performed. The unit turns on the illumination lamp according to the wiper switch signal from the wiper switch,
It is possible to improve the sense of distance of a car on a rainy day and perform safe vehicle operation without adding any additional input device.

The illumination light control section turns on the headlight or the rear light in response to the illumination switch signal from the headlight switch or the rear illumination switch, and switches the headlight or the headlight in response to the wiper switch signal from the wiper switch. By illuminating at least one of the rear lights, the sense of distance of the vehicle is further improved on a rainy day, and safer vehicle operation can be performed.

When the illuminance sensor detects the illuminance outside the vehicle, the illuminating light control section blinks the headlamp and the taillight based on the illuminance value from the illuminance sensor when the auto switch is operated. In other words, the headlight and the taillight can be turned on and off regardless of the brightness of the outside of the vehicle simply by operating the auto switch, so that the burden on the driver to operate the switch can be reduced.

When the auto switch is operated and the intermittent wiper switch or the low wiper switch is operated, the illuminating light control unit turns on only the rear light, and the auto switch is operated and the high wiper switch is operated. When the headlights and taillights are turned on. That is, since the number of lighting of the illumination lamps is changed according to the degree of rainfall, safer vehicle operation can be performed.

[Brief description of the drawings]

FIG. 1 is a configuration block diagram of an embodiment of a vehicle illumination light control device according to the present invention.

FIG. 2 is a detailed circuit configuration diagram of an illumination light control unit.

FIG. 3 is a block diagram showing a configuration in which the vehicle illumination light control device shown in FIG. 1 is applied to a vehicle multiplex communication system.

FIG. 4 is a configuration block diagram illustrating an example of a conventional vehicle illumination light control device.

FIG. 5 is a configuration block diagram showing a conventional wiper control device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Illumination switch 11a Backlight switch 11b Headlight switch 11c Auto position switch 13 Illuminance sensor 15 Wiper switch 15a Intermittent wiper switch 15b Low wiper switch 15c High wiper switch 17 Illumination light control part 19a Rearlight 19b Headlight 21 Wiper motor controller 23 Wiper motor 24 Wiper 25 OR circuit 27, 29 AND circuit 31, 37 ECU 33 Input processing unit

Claims (4)

[Claims] 1. An illumination light switch for operating an illumination light provided at a front part and a rear part of a vehicle, a wiper switch for operating a wiper, and an illumination light switch which is turned on by an illumination light switch signal from the illumination light switch. A lighting control unit for turning on the lighting in response to a wiper switch signal from the wiper switch. 2. The illuminating light control unit includes: a illuminating light switch for illuminating a headlight of the vehicle; and a illuminating light switch for illuminating a rear light of the vehicle. Turns on the headlight or the taillight according to a light switch signal from the headlight switch or the taillight switch, and the headlight and the rear light according to a wiper switch signal from the wiper switch. The vehicle illumination light control device according to claim 1, wherein at least one of the lights is turned on. 3. An illuminance sensor for detecting illuminance outside the vehicle, wherein the illuminating light switch has an auto switch, and wherein the illuminating light control unit receives an illuminance from the illuminance sensor when the auto switch is operated. The vehicle headlight control device according to claim 2, wherein the headlight and the taillight are made to blink based on the illuminance value. 4. The wiper switch includes an intermittent wiper switch that operates the wiper intermittently, a low wiper switch that operates the wiper at a first speed, and a wiper switch that operates the wiper at a speed higher than the first speed. A high wiper switch that operates at a speed of 2. The illumination light control unit turns on only the taillight when the auto switch is operated and the intermittent wiper switch or the low wiper switch is operated. 4. The vehicle lighting control device according to claim 3, wherein the headlight and the taillight are turned on when the auto switch is operated and the high wiper switch is operated.