KR900002789Y1 - Automatic lighting device of vehicles - Google Patents

Abstract

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Description

Auto flasher of car headlight

1 is an overall circuit diagram of the present invention.

2 is a longitudinal sectional view showing a state in which a gear switch is shorted in a neutral position.

3 is a longitudinal sectional view illustrating a state in which a switch is contacted by a gear shift.

4 is a side view illustrating the positions of the intermittent plate and the photointerrupter formed on the speed gauge plate.

* Explanation of symbols for main parts of the drawings

3: gear switch 8: intermittent plate

9: Departure instruction photo interrupter 10: High speed instruction photo interrupter

11: high headlight 12: low headlight

13, 14: CDS element 15: or gate

16: integrator 17: op amp

18: Photocoupler

The present invention automatically turns off when the car stops during night driving, and automatically turns on and off at the same time, and switches up and down according to the speed change to widen the front field of view when driving at a certain speed. The present invention relates to an automatic flashlight of an automobile headlight designed to drive more safely by focusing only on driving without worrying about operation and turning on the headlight before departure.

Conventionally, the operation of turning off the headlight in order to prevent the view of the vehicle window running in front of the vehicle after turning the headlights on with a separate switch and then moving the vehicle forward before the vehicle moves forward is prevented. In order to frequently turn off the headlights in order to repeat the operation, the driver feels a lot of inconvenience and hassle.In the case of novice driving, the headlights are unfamiliar with the operation of the headlights. When the headlights are turned off or the headlights are turned on even in a steady state, they frequently cause traffic accidents.In case of turning on unnecessary headlights, a lot of energy is consumed and it is necessary to turn them on automatically. Korean Utility Model Publication No. 527 (Notice No. : As shown in No. 81-2573), the time constant for determining the time for which the light of the light emitting diode is interrupted by detecting the pulse of transmitting light of the light emitting diode to the space between the wings that rotate together when the flexible cable rotates. Although there was a method to turn on the headlight only when it is output to the output terminal of the integrated circuit after adjustment, it is controlled by the number of rotations of the cable. When you have to go slowly and unavoidably, you have a problem that can cause unforeseen accidents because you can't understand the field of vision. Lack of driving, such as lack of credibility, rather uneasy There were drawbacks.

The present invention was devised by improving the thing of 1986 Utility Model Registration Application No. 2098, which was filed in advance, in order to solve the problems and drawbacks of the related art.

The memory switch 3 formed on the top of the gear box 1 with a spring 2 is contacted when the gear lever shifts by shifting the position of the wrench lever 4 so that the vehicle travels by the cable 5 by a known method. An intermittent plate having a space portion 8 ′ formed on the outer circumferential surface of the shaft 7 when the shaft 7 and the guide 7a arranged in the center of the speed gauge 6 are rotated to display to be rotated to display the speed. 8) Operate the wrench lever 4 to start the vehicle at the starting position at the starting point of the photointerrupter 9 or the high speed photointerrupter 10 at the guide position. When switching from the position and starting with the acceleration of the accelerator, the gear switch 3 is contacted, so that the diode D ₁ and the transistor TR ₆ are turned on so that the relay RY ₂ is connected and at the same time the downlight 12 is Lights up so you know what's ahead of you It is to allow a true driving, the guide (7a) is operated in proportion to the rotational speed of the wheel at the start of the vehicle and at the same time the intermittent plate (8) which is built on the shaft (7) and rotated together with the space (8 ') Since the insulating surface blocks the photointerrupter 9 at the start position and the transistor TR ₁₁ is turned on, the driver shifts gears when the vehicle is moved as the relay RY ₃ is connected. 4) Even if the gear switch 3 is temporarily shorted to the neutral position, the up and down headlights 11 and 12 remain on while the vehicle is being moved, and the downward CDS 14 located on the bottom of the vehicle body or inside the bumper. The upward CDS element 13 installed to be exposed to the front of the vehicle senses the sensitivity of the surrounding light, so that the sensitivity required only for the downlight 12 is lowered by the downward CDS element 14. Turn on or around In very dark, upward CDS element 13 is applied to the signal requiring up to detect this when the beam 11 is needed by the diode (D ₁ -D ₃₎ Orr Kate 15 consisting of turns so that the And the CDS elements 13 and 14 can switch the sensitivity ability up and down appropriately so that the variable resistors VR ₁ and VR ₂ can switch the driver up and down appropriately. The sensitivity capability of the vehicle is properly adjustable, and the upward CDS element 13 located at the front of the vehicle is immediately short-circuited when being turned on by the front headlight of the vehicle, and is converted to the downlight 12.

In other words, when the surroundings become dark, the CDS element 14 properly adjusts the variable resistor VR ₂ according to the self-negative resistance characteristic. Since it becomes larger than the value of VR ₂ , the transistor TR ₇ is turned on and the transistor TR ₈ is turned off. Therefore, a reverse voltage is applied to the diode D ₅ to maintain the transistor TR ₆ . Since RY ₂ is continuously connected, that is, the on state is maintained, the lower headlamp 12 maintains the on state.

In addition, the control circuit for operating the high beam is also the same configuration as the above, because the resistance value of the CDS device (13) when the ambient is turned very dark when put to appropriate adjustment of the variable resistor (VR _1), the variable resistor (VR ₁₎ Since the transistor TR ₄ is turned larger than the resistance value, the relay RY ₁ remains connected, and the upper headlamp 11 maintains the on state.

On the other hand, when the day is bright, since the resistance value of each CDS element 13 and 14 becomes smaller than the resistance value of the variable resistors VR ₁ and VR ₂ , the respective transistors TR ₄ and TR ₇ are turned on. a transistor (TR ₅₎ (TR ₈₎ is turned off because the diode (D3) (D5) is turned off transistor (TR ₃₎ and a bias voltage applied to the base (TR ₆₎ is less than 0.7V, because the transistor (TR ₃₎ ( TR ₆ ) is turned off so that the relay RY ₁ (RY ₂ ) is turned off, so that both the up and down headlights 11 and 12 remain off.

In addition, when the driving car is stopped, the gear is in the neutral position, and the speedometer also indicates '0', so that the gear switch 3 is turned on and the photointerrupter 9, which is a monitoring sensor of the speedometer, is cut off, that is, off. Therefore, the transistor TR ₁₁ is turned on and the relay RY ₃ is turned on.

Therefore, since the diode D ₁ (D ₂ ) in the or gate 15 is turned on, the power supply voltage B + flows to the ground through the diode D ₁ (D2) and the resistor R ₁ , and thus the diode D _3. ) Is also turned on, so that the transistors TR ₃ (TR ₆ ) are turned off, so that the relays RY ₁ (RY ₂ ) are turned off, so that both the upside and downlights 11 and 12 are turned off.

As described above, the headlights are turned downward depending on the degree of ambient dimming before departure, and thus the vehicle is continuously driven in a relatively bright place such as in the city, and the ambient sensitivity is low in a dark place outside the city. By detecting this and connecting the relay (RY ₁ ) and at the same time the driving speed of the car with the high headlight (11) is on (high speed (70-80km / h) or more) In this case, a rolling condition that can illuminate a long distance is required, and the intermittent piece 8 which is rotated together with the current speed indication position of the guideline 7a indicating the speedometer between the starting instructional photointerrupter 9 when starting first starts. If the guideline (7a) is located at 70-80km / h or more according to the speed condition after blocking, the high-speed instruction photointerrupter (10) installed at the position corresponding thereto is applied by the intermittent plate (8). Permeation By Kane connect the power input signal while maintaining the high beam 11 in accordance with the belonging state for gradually input signal in the resistance (R ₁₀₎ and the cone deonse (C ₁₎ and the integrator (16) consisting of a variable resistor (VR ₄₎ When you want to drive at a high speed while driving upward, gradually light up the light and slowly increase the input power of the headlamp to maintain proper application time so that the driver does not confuse or feel an optical illusion. Amplified by 17) and brought to the position of the photocoupler 18.

The photocoupler 18 changes the magnitude of the light after integration and conducts it to the base of the transistor so that the power amplified by the transistors TR ₁ and TR ₂ is applied to the high beam head 11 again. According to the driving speed, it is possible to gradually change the rolling capability in high speed driving in a dark place. The photocoupler 18 completely cuts off the power as the light is not generated when the high speed photointerrupter 10 is not operated. The result is to protect the circuitry and to ensure that the operation can be operated accurately and permanently, while maintaining the high beam 11 at a constant brightness.

When the speed is switched to the low speed again after the high-speed driving, the intermittent plate 8 which blocks the high speed instructional photointerrupter 10 is rotated, and the starting point when the space portion 8 'is located at the high speed instructional photointerrupter 10. Since only the photointerrupter 9 is operated, the headlights are intermittent according to the light sensitivity of the upstream CDS element 13 or the downside CDS element 14 regardless of the traveling speed of the vehicle. The brightness of the light is gradually changed to the original position by the integrator 16 again with the high headlight 11, and when the front vision is obscured by the fog while driving, the general headlight is obscured by the fog characteristic. Since the optical illusion occurs and a yellow light is needed, the gate is opened when the metal pro part 19 exposed from the vehicle body detects moisture particles in a humidity oversaturation state. Due to the SCR characteristic, the breakover voltage suddenly becomes conductive and when a large current flows, the relay RY ₄ is connected to the yellow plate 20 operated by the solenoid SL. have. That is, when the metal pro part 19 is turned on by a fog lamp, the transistor TR ₉ is turned on because the base bias voltage of the transistor TR ₉ properly adjusted by the variable resistor VR ₅ is turned on. Since the transistor TR ₁₀ and the SCR are kept on, the relay RY ₄ is turned on so that the downlight 12 is turned on and the solenoid SL is turned on. ), The downlight 12 turns to yellow, which is a fog lamp. Even if the gate voltage of the SCR is cut off, the SCR remains on unless the switch SW is turned off. The headlamp 12 will remain on.

In other words, by moving forward to cover the downlight 12, the color of the downlight 12 is automatically changed to yellow to brighten the front, and SCR can maintain the conduction state even when the gate current is cut off, and thus keep the yellow light such as fog light. The short circuit is possible by switching the switch SW.

Meanwhile, reference numerals R ₂ -R ₉ and R ₁₁ -R ₃₃ in FIG. 1 are resistors, VR ₃ is a variable resistor for determining the amplification degree of the OP amplifier 17, C ₂ is a capacitor, and D ₆ -D ₇ is a diode for relay (RY ₁ -RY ₄ ) protection against reverse current.

And such automatic headlight switching device or fog light operation can be operated by automatic or manual operation of the switch.

As described above, the present invention allows the headlights to be turned on before the vehicle starts and the light is automatically adjusted upward or downward depending on the ambient brightness. In addition to allowing the driver to drive safely, the driver immediately turns yellow lights even when the vision is blurred by the fog without a separate fog light. It is a useful design that can be prevented.

Claims (1)

When the gear switch 3 is contacted by the shifting operation of the wrench lever 4, the up and down headlamps 11 are mixed up by the mixing circuit 15 inputted according to the sensitivity of the up and down CDS elements 13 and 14. (12) is turned on so that the intermittent plate 8, which is rotated together with the shaft 7 of the speed gauge 6 at the time of starting the vehicle, interrupts the starting instruction photointerrupter 9 at the beginning of the vehicle regardless of gear shifting. The signal integrated in the integrator 16 is amplified in the OP amplifier 17 by the application of the high speed instruction photointerrupter 10 which turns on the headlights while driving and is controlled by the intermittent plate 8 when driving at high speed, and then in the photocoupler 18. The power according to the degree of light is amplified again in the transistors TR ₁ and TR ₂ to gradually adjust the ups and downs 11 more brightly. The yellow plate 20 is energized by the relay operation of the relay RY ₄ and the solenoid SL. Auto flashlight device of the headlamps of the automobile, characterized in that the light emitted from the headlights 12 can be changed to yellow.