CN210149226U

CN210149226U - Automobile lamp control device

Info

Publication number: CN210149226U
Application number: CN201920580941.5U
Authority: CN
Inventors: 商晓锋; 陶丽芳
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-03-17
Anticipated expiration: 2029-04-25

Abstract

The utility model discloses an automobile lamp control device, which comprises a singlechip, an opposite light detection circuit, a dipped headlight and a high beam; the singlechip is respectively electrically connected with the opposite light detection circuit, the dipped headlight and the high beam; the opposite light detection circuit comprises a photoresistor K1, a resistor R1, a resistor R2, a resistor R3, an amplifier U2 and an inverter U4, wherein the inverting input end of the amplifier U2 is electrically connected with one ends of the resistor R2 and the resistor R3 respectively, the non-inverting input end of the amplifier U2 is electrically connected with one ends of the photoresistor K1 and one end of the resistor R1 respectively, and the other ends of the resistor R1 and the resistor R2 are connected with VCC. The utility model has the characteristics of can automatic control passing lamp and opening and closing of high beam, avoid the driver to drive the vehicle distraction, ensure driving safety.

Description

Automobile lamp control device

Technical Field

The utility model belongs to the technical field of car light control technique and specifically relates to a can be automatically switch into car light controlling means of passing lamp with the high beam.

Background

The high beam emits light rays in parallel, the light intensity is high, and the rays are concentrated. Therefore, the driving safety can be improved by using the high beam in the area with few vehicle-meeting and dim street lamps. When the street lamp is turned on or other roads with better illumination are driven, the high beam lamp is not turned on. A vehicle turning on a high beam should be switched to a low beam before meeting 150M;

when the driver drives the vehicle at night, the judgment of human eyes on surrounding objects is reduced, the meeting of the high beam is not different from frosting on snow, and the judgment of the driver on the distance and the speed of the meeting is reduced. When a driver on one side encounters an obstacle in front, the distance and the speed cannot be judged normally, so that the idea that the driver cannot predict in advance is that the driver is easy to have a disaster to the drivers on both sides when the driver is forced to change the line and overtake the vehicle.

Disclosure of Invention

The utility model aims at overcoming the defect that the driving harm can be caused by the fact that some drivers easily mistakenly use the high beam during driving, and providing the automobile lamp control device capable of automatically switching the high beam into the dipped headlight.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a car light control device comprises a single chip microcomputer, an opposite light detection circuit, a dipped headlight and a high beam; the singlechip is respectively electrically connected with the opposite light detection circuit, the dipped headlight and the high beam; the opposite light detection circuit comprises a photoresistor K1, a resistor R1, a resistor R2, a resistor R3, an amplifier U2 and an inverter U4, the inverting input end of the amplifier U2 is electrically connected with one ends of the resistor R2 and the resistor R3 respectively, the non-inverting input end of the amplifier U2 is electrically connected with one ends of the photoresistor K1 and the resistor R1 respectively, the other ends of the resistor R1 and the resistor R2 are connected with VCC, the output end of the amplifier U2 is electrically connected with the input end of the inverter U4, the output end of the inverter U4 is electrically connected with a single chip microcomputer, and the other ends of the resistor R3 and the photoresistor K1.

Resistance R1, resistance R2, resistance R3 and amplifier U2 constitute voltage comparator, the utility model discloses a light resistance, voltage comparator and singlechip determine the light intensity height to control opening and closing of the far-reaching headlamp of car.

The automatic on-off function of the high beam at night is realized, the function of automatically changing light during meeting at night is also realized, and during meeting, a driver does not need to manually adjust the high beam to be a dipped headlight, so that the driver is prevented from being distracted, the driver can conveniently focus attention to clearly see the road, and the driving safety is ensured.

Preferably, the model of the singlechip is 89C 52; the resistances of the resistor R1, the resistor R2 and the resistor R3 are the same.

Preferably, the natural light intensity detection circuit further comprises a photosensitive resistor K2, a resistor R6, a resistor R7, a resistor R8, an amplifier U1 and an inverter U3, wherein an inverting input end of the amplifier U1 is electrically connected with one end of a resistor R7 and one end of a resistor R8 respectively, a non-inverting input end of an amplifier U1 is electrically connected with one end of a photosensitive resistor K2 and one end of a resistor R6 respectively, the other ends of the resistor R6 and the resistor R7 are both connected with VCC, an output end of the amplifier U1 is electrically connected with an input end of the inverter U3, an output end of the inverter U3 is electrically connected with the single chip microcomputer, and the other ends of the resistor R8 and the photosensitive resistor K2 are both.

Resistance R6, resistance R7, resistance R8 and amplifier U1 constitute voltage comparator, the utility model discloses a photosensitive resistance, voltage comparator and singlechip judge natural light intensity to control opening and closing of car passing lamp.

Preferably, the resistances of the resistor R6, the resistor R7, and the resistor R8 are the same.

Preferably, the single chip microcomputer is electrically connected with a door lock controller of the automobile.

When the door lock controller opens the vehicle door, the singlechip controls the dipped headlight to be turned on and is turned off after delaying for 30 seconds.

Preferably, both amplifier U1 and amplifier U2 are LM 358.

Therefore, the utility model discloses following beneficial effect has: the dipped headlight can be automatically controlled to be turned on and off, so that the driver can be ensured to have illumination with enough brightness when driving; the automatic switching function of the night high beam is realized, the distraction of a driver when driving is avoided, the driver can conveniently concentrate on the attention to see the road clearly, and the driving safety is ensured.

Drawings

Fig. 1 is a schematic block diagram of the present invention;

fig. 2 is a circuit diagram of the opposite light detection circuit of the present invention;

fig. 3 is a circuit diagram of the natural light intensity detecting circuit of the present invention.

In the figure: the device comprises a singlechip 1, an opposite light detection circuit 2, a dipped headlight 3, a high beam 4, a door lock controller 5 and a natural light intensity detection circuit 6.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

The embodiment shown in fig. 1 and 2 is an automotive lamp control device, which comprises a single chip microcomputer 1, an opposite light detection circuit 2, a dipped headlight 3 and a high beam 4; the singlechip is respectively electrically connected with the opposite light detection circuit, the dipped headlight and the high beam; the opposite light detection circuit comprises a photoresistor K1, a resistor R1, a resistor R2, a resistor R3, an amplifier U2 and an inverter U4, the inverting input end of the amplifier U2 is electrically connected with one ends of the resistor R2 and the resistor R3 respectively, the non-inverting input end of the amplifier U2 is electrically connected with one ends of the photoresistor K1 and the resistor R1 respectively, the other ends of the resistor R1 and the resistor R2 are connected with VCC, the output end of the amplifier U2 is electrically connected with the input end of the inverter U4, the output end of the inverter U4 is electrically connected with a single chip microcomputer, and the other ends of the resistor R3 and the photoresistor K1. The singlechip is electrically connected with a door lock controller 5 of the automobile.

The model of the singlechip is 89C 52; the resistances of the resistor R1, the resistor R2 and the resistor R3 are the same.

The natural light intensity detection circuit comprises a photoresistor K2, a resistor R6, a resistor R7, a resistor R8, an amplifier U1 and an inverter U3, wherein the inverting input end of the amplifier U1 is electrically connected with one ends of the resistor R7 and the resistor R8 respectively, the non-inverting input end of the amplifier U1 is electrically connected with one ends of the photoresistor K2 and the resistor R6 respectively, the other ends of the resistor R6 and the resistor R7 are connected with VCC, the output end of the amplifier U1 is electrically connected with the input end of the inverter U3, the output end of the inverter U3 is electrically connected with a single chip microcomputer, and the other ends of the resistor R8 and the photoresistor K2 are grounded. The resistances of the resistor R6, the resistor R7 and the resistor R8 are the same and are all 10K omega. Amplifier U1 and amplifier U2 are both model LM 358.

The working process of the utility model is as follows:

a clock is arranged in the singlechip, and the singlechip controls the dipped headlight to be turned on and off according to the detection result of the natural light intensity detection circuit in the daytime; and in the night time period, the on-off of the high beam is controlled according to the detection result of the opposite lamplight detection circuit, and the high beam is automatically switched to the dipped headlight when a vehicle meets.

It should be understood that the present embodiment is only for illustrating the present invention and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

Claims

1. A car light control device is characterized by comprising a single chip microcomputer (1), an opposite light detection circuit (2), a dipped headlight (3) and a high beam (4); the singlechip is respectively electrically connected with the opposite light detection circuit, the dipped headlight and the high beam; the opposite light detection circuit comprises a photoresistor K1, a resistor R1, a resistor R2, a resistor R3, an amplifier U2 and an inverter U4, the inverting input end of the amplifier U2 is electrically connected with one ends of the resistor R2 and the resistor R3 respectively, the non-inverting input end of the amplifier U2 is electrically connected with one ends of the photoresistor K1 and the resistor R1 respectively, the other ends of the resistor R1 and the resistor R2 are connected with VCC, the output end of the amplifier U2 is electrically connected with the input end of the inverter U4, the output end of the inverter U4 is electrically connected with a single chip microcomputer, and the other ends of the resistor R3 and the photoresistor K1.

2. The vehicle lamp control device according to claim 1, wherein the type of the single chip microcomputer is 89C 52; the resistances of the resistor R1, the resistor R2 and the resistor R3 are the same.

3. The vehicle lamp control device according to claim 1, further comprising a natural light intensity detection circuit (6), wherein the natural light intensity detection circuit comprises a photoresistor K2, a resistor R6, a resistor R7, a resistor R8, an amplifier U1 and an inverter U3, an inverting input terminal of the amplifier U1 is electrically connected with one ends of a resistor R7 and a resistor R8 respectively, a non-inverting input terminal of the amplifier U1 is electrically connected with one ends of the photoresistor K2 and the resistor R6 respectively, the other ends of the resistor R6 and the resistor R7 are both connected with VCC, an output terminal of the amplifier U1 is electrically connected with an input terminal of the inverter U3, an output terminal of the inverter U3 is electrically connected with the single chip microcomputer, and the other ends of the resistor R8 and the photoresistor K686.

4. The vehicular lamp control device according to claim 1, wherein the resistances of the resistor R6, the resistor R7 and the resistor R8 are the same.

5. The control device of the automobile lamp according to the claim 1, 2, 3 or 4, characterized in that the single chip microcomputer is electrically connected with the door lock controller (5) of the automobile.

6. The vehicular lamp control device according to claim 3, wherein the amplifier U1 and the amplifier U2 are both LM 358.