JPH0661577U - Automatic flashing device for automotive lighting - Google Patents

Abstract

(57) [Summary] [Purpose] The purpose is to improve driving safety in the tunnel and prevent unnecessary lighting after passing through the tunnel. [Structure] Receiver 4 receives the signal from the transmitter before entering the tunnel
Received by the flip-flop circuit 6 and the transistor T.
By exciting the relay Ry via _r1 , the lamps 11 and 13 are automatically turned on before entering the tunnel regardless of the position of the lighting switch 14. After passing through the tunnel, when the total illuminance sensor 7 reaches a certain level or more, the flip-flop circuit 6 is reset to degauss the relay Ry and automatically turn off the lamps 11 and 13.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an automatic blinking device for a vehicle lighting device, and particularly to an automatic blinking device suitable for entering a tunnel.

[0002]

[Prior art]

 Conventionally, lighting of vehicles is generally turned on and off manually. However, for example, when passing through a tunnel in the daytime, it is often forgotten to turn off the lighting of illuminated vehicles. In addition, when there are many tunnels on mountain roads, it is troublesome to turn on and off frequently.

Under these circumstances, an automatic blinking device for a vehicle lighting device that automatically turns on and off the lighting device has been proposed (for example, Japanese Examined Patent Publication No. 2-42701 and Japanese Utility Model Laid-Open No. 58-164837). And Japanese Utility Model Publication No. 58-145233).

[0004]

[Problems to be solved by the device]

 However, the conventional automatic blinking device detects the illuminance of the inside of the vehicle, etc., and controls the turning on / off of the lighting device based on the detected value, so when entering a tunnel, for example It was not possible to turn on the lights unless the illuminance decreased.

Further, when a driver manually lights a lighting device in a tunnel, even if the driver forgets to turn off the light, there is nothing to warn the driver of the lighting state, and the battery is wastefully consumed. There is fear. The present invention has been made in view of the above circumstances, and an object thereof is to provide an automatic blinking device for a vehicle lighting device that can improve safety in a tunnel and prevent unnecessary lighting after passing through a tunnel.

[0006]

[Means for Solving the Problems]

 Therefore, in the automatic lighting device for a vehicle lighting device of the present invention, a transmitter installed at the entrance of the tunnel for outputting a predetermined signal to the vehicle about to enter and a receiver mounted on the vehicle for receiving the predetermined signal. A plurality of illuminance sensors mounted on the vehicle, a lighting control circuit that automatically lights a lighting device when the receiver receives a predetermined signal, and an illuminance at which all of the plurality of illuminance sensors are equal to or higher than a certain value. And a lighting control switch for automatically turning off the lighting device when the lighting switch for detecting and lighting the lighting device is turned off.

In addition, in the above-described automatic blinking device for a vehicle lighting device, all of the plurality of illuminance sensors detect illuminance of a certain value or more and the lighting switch is operated when the lighting switch is in a state other than OFF. An alarm device and an actuator for returning the illumination switch to the OFF position when the illumination switch is in a state other than OFF within a predetermined time after activation of the alarm device are provided.

[0008]

[Action]

 According to this configuration, the lighting equipment is automatically turned on in advance before entering the tunnel and turned off automatically after exiting the tunnel. Can be prevented. In addition, if the lighting switch is turned on in the tunnel by operating the lighting switch and you forget to turn off the lights after exiting the tunnel, an alarm will be issued if the surroundings are bright, and if the lights are not turned off, a predetermined alarm will be issued. Since it is possible to forcibly turn off the lighting switch after the elapse of time, it is possible to prevent inconvenience when the lighting switch is turned on in the tunnel.

[0009]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 showing the first embodiment of the present invention, a transmitter 2 is provided near the entrance of the tunnel 1 as shown in FIG. On the other hand, a receiver 4 for receiving a signal from the transmitter 2 is mounted on the front surface of the vehicle 3. As the transmission signal from the transmitter 2, ultrasonic waves, lasers, radio waves or the like can be used.

The output side of the receiver 4 is connected to the CK terminal of the flip-flop circuit 6 via the amplifier 5. Further, a plurality of illuminance sensors 7 are installed in the vehicle. The illuminance sensor 7 is preferably installed at different positions of the vehicle 3 so that day and night can be clearly discriminated. The outputs of these illuminance sensors 7 are input to the AND circuit 8. The output of the amplifier 5 is also input to the AND circuit 8 via an inverter 9. The output of the AND circuit 8 is input to the NOR circuit 10, and the output of the NOR circuit 10 is input to the CLR terminal of the flip-flop circuit 6.

The output of the Q terminal of the flip-flop circuit 6 is input to the base of the transistor T _r1 . A relay Ry is connected to the collector of the transistor T _r1 and the emitter is grounded. The relay Ry has two relay contacts r _{1 and} r ₂ that are connected in series to a battery (not shown) and interlock with each other, and one contact r ₁ is connected in series to the headlamp 11 via an up / down switch 12. The other contact r ₂ is connected in series to another lighting device, for example, the side lamp 13.

In addition, the relay contact r is provided between the headlight 11 and the vehicle side light 13 battery._1, r₂A lighting switch 14 is connected in parallel with the. The lighting switch 14 has a contact S connected in series with the headlight 11.₁And a contact S that is connected in series to the side light 13 ₂ , Two interlocking contacts. Then, the contact S of the lighting switch 14₁There is a resistance R_1,R₂Are connected, and the divided voltage at the intermediate point is input to the NOR circuit 10 described above.

Here, a lighting control circuit is configured by the amplifier 5, the flip-flop circuit 6 and the relay Ry, and in addition to the flip-flop circuit 6 and the relay Ry, an AND circuit 8, an inverter 9, a NOR circuit 10 and a resistor Ry. _The light-off control circuit is composed of ₁ and R ₂ . Next, the operation of the first embodiment having such a configuration will be described.

As shown in FIG. 2, when the vehicle 3 is traveling toward the tunnel 1, the receiver 4 receives the signal from the transmitter 2 when approaching the position where the signal from the transmitter 2 is received. To do. Then, the reception output from the receiver 4 is input to the CK terminal of the flip-flop circuit 6 via the amplifier 5. At this time, when the receiver 4 receives the signal, the output of the AND circuit 8 is at the low level due to the low level output of the inverter 9, so that the NOR circuit is operated unless the driver operates the lighting switch 14. since high-level signal to the CLR terminal of the flip-flop circuit 6 to 10 is input, the output of the Q terminal of the flip-flop circuit 6 by the output from the amplifier 5 becomes Hairebe Le, the transistor T _r1 is turned oN.

As a result, the relay Ry is excited, its contacts r ₁ and r ₂ are turned on, and the headlamp 11 and the side lamp 13 are automatically turned on. On the other hand, when entering the tunnel 1, the output of the inverter 9 becomes high level. Therefore, when all the illuminance sensors 7 have outputs of a certain value or more after exiting the tunnel 1, the output of the NOR circuit 10 becomes low level at that time, and the flip-flop circuit 6 is reset and its Q terminal The output goes low. Therefore, the transistor T _r1 is turned off, the relay Ry is demagnetized, its contacts r ₁ and r ₂ are turned off, and the headlight 11 and the side lamp 13 are automatically turned off.

According to this structure, since the headlight 11 and the side lamp 13 can be automatically turned on before entering the tunnel 1, it is possible to prevent the visibility from being deteriorated immediately after entering the tunnel due to forgetting to turn on the tunnel, and to prevent the inside of the tunnel from being deteriorated. Driving safety can be improved compared to the past. In addition, it is possible to prevent wasteful consumption of electric power due to forgetting to turn off the light after exiting the tunnel. When the driver operates the lighting switch 14 after the automatic lighting, the divided voltage of the resistors R ₁ and R ₂ is input to the NOR circuit 10 via the contact S ₁ of the lighting switch 14, and the NOR circuit 10 is operated. The output of the circuit 10 becomes low level. As a result, the flip-flop circuit 6 is reset and the relay Ry is demagnetized, and its contacts r ₁ and r ₂ are turned off. After that, the lighting switch 14 is switched to the manual operation, and the lighting switch 14 is turned on according to its position. Form.

Next, a second embodiment of the present invention will be described with reference to FIG. The same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted. 3, in the present embodiment, in addition to the configuration of the first embodiment, resistors R _{3 and} R ₄ are provided at the contact portions of the lighting switch 14 corresponding to the sideways light or headlight lighting position of the contact S ₂ side. The voltage dividing points of these resistors R ₃ and R ₄ are connected to the input side of the OR circuit 15 together with the voltage dividing points of the resistors R ₁ and R ₂ . The output of the OR circuit 15 is input to the CLR terminals of the three AND circuits 16, 17, 18 and the flip-flop circuit 19, respectively.

The output of the AND circuit 8 is input to the other input terminal of the AND circuit 16. The output of the AND circuit 16 is input to the monostable multivibrator 20. The output of the Q terminal of the monostable multivibrator 20 is input to the other input terminal of the AND circuit 17, and the output of the Q bar terminal is input to the CK terminal of the flip-flop circuit 19. The output of the AND circuit 17 is input to the alarm device 22 including a lamp and a speaker via the amplifier 21.

The output of the Q terminal of the flip-flop circuit 19 is input to the other input terminal of the AND circuit 18. The output of the AND circuit 18 is input to the base of the transistor T _r2 . An actuator 23 for driving the illumination switch 14 is connected to the collector of the transistor _Tr2 , and the emitter is grounded. Next, the operation of the second embodiment having such a configuration will be described.

When passing through the tunnel 1, the lamps are automatically turned on before entering the tunnel 1, and when all the illuminance sensors 7 reach a certain level or more after exiting, the lights are automatically turned off. Is the same as in the first embodiment. Further, when the driver operates the lighting switch 14 in the tunnel 1, the automatic turning-on / off function is canceled, and the headlight 11 and the side lamp 13 are lit according to the operation position of the lighting switch 14. The same applies to.

Further, in the device of the present embodiment, when the lighting switch 14 is operated to the lighting position in the tunnel 1 and then the lighting switch 14 is forgotten to be turned off when leaving the tunnel 1, all the illuminance sensors 7 When it is determined that the level exceeds a predetermined value and the tunnel 1 is exited, the high level output of the AND circuit 8 is input to the AND circuit 16. Then, since the illumination switch 14 is in the lighting position and the high level signal has already been input to the other input terminal of the AND circuit 16 via the OR circuit 15, the output of the AND circuit 16 becomes high. The level becomes high, and the high-level output from the Q terminal of the monostable multivibrator 20 is input to one input terminal of the AND circuit 17 for a certain period of time. Since the high level output has already been input from the OR circuit 15 to the other input terminal of the AND circuit 17, the output of the AND circuit 17 becomes high level and the alarm device 22 operates via the amplifier 21. An alarm for not turning off the lights will be generated and the driver will be notified.

After the alarm is issued, if the driver does not turn off the lighting switch 14 within a fixed time (corresponding to the set time of the monostable multivibrator 20), the monostable multivibrator 20 is operated when the fixed time elapses. The output of the Q-bar terminal of the flip-flop circuit 19 rises, and when the rise is detected, the high-level output from the Q terminal of the flip-flop circuit 19 is input to one input terminal of the AND circuit 18. Since the high level output from the OR circuit 15 has already been input to the other input terminal of the AND circuit 18, the output of the AND circuit 18 becomes high level and the transistor T _r2 is turned on. When the transistor T _r2 is turned on, the actuator 23 is excited and the illumination switch 14 is forcibly driven to the off position.

As described above, according to the device of the second embodiment, even if the driver manually operates the lighting switch 14 and then forgets to turn it off, an alarm can be generated and the driver can be informed and an alarm can be issued. If the driver does not turn off the light for a certain period of time after the occurrence, the lighting switch 14 is forcibly set to the off position. Therefore, there is an effect that it is possible to reliably prevent waste of electric power due to the driver forgetting to turn off the power.

[0024]

[Effect of device]

 As described above, according to the present invention, since the lighting device is automatically turned on before entering the tunnel, the visibility can be secured even immediately after entering the tunnel and an accident in the tunnel can be prevented. Further, it is possible to prevent wasteful consumption of electric power due to forgetting to turn it off.

[Brief description of drawings]

FIG. 1 is a circuit diagram of a first embodiment of an automatic blinking device according to the present invention.

FIG. 2 is a diagram showing a relationship between a transmitter and a vehicle entering a tunnel according to the first embodiment.

FIG. 3 is a circuit diagram of an automatic blinking device according to a second embodiment of the present invention.

[Explanation of symbols]

1 Tunnel 2 Transmitter 4 Receiver 6 Flip-Flop Circuit 7 Illuminance Sensor 8 AND Circuit 9 Inverter 10 NOR Circuit 11 Headlight 13 Side Width Light 14 Lighting Switch T _r1 Transistor Ry Relay

Claims (2)

[Scope of utility model registration request] 1. A transmitter installed at a tunnel entrance for outputting a predetermined signal to a vehicle attempting to enter, a receiver mounted on the vehicle for receiving the predetermined signal, and a plurality of illuminance sensors mounted on the vehicle. And a lighting control circuit that automatically lights the lighting when the receiver receives a predetermined signal, and all of the plurality of illuminance sensors detect illuminance of a certain value or more and turn on / off the lighting. An automatic blinking device for a vehicle lighting device, comprising: a lighting control circuit for automatically turning off the lighting device when a lighting switch to be performed is in an OFF state. 2. The automatic blinking device for a vehicle lighting device according to claim 1, wherein the plurality of illuminance sensors all detect illuminance equal to or more than a certain value and the illumination switch is operated when the illumination switch is in a state other than OFF. An automotive lighting system comprising an alarm device for forgetting to turn off the light and an actuator for returning the illumination switch to the OFF position when the illumination switch is in a state other than OFF within a predetermined time after the alarm device is activated. Automatic blinking device.