CN103042968A - Automobile lamp control method and automobile lamp control system - Google Patents

Abstract

The invention provides an automobile lamp control method and an automobile lamp control system. The automobile lamp control method includes controlling on and off of high beam lamps via a controller, and includes the steps of s1, mounting photosensitive sensors on an automobile body; and s2, controlling on and off of the high beam lamps according to detecting results of the photosensitive sensors. The invention further provides the automobile lamp control system utilizing the automobile lamp control method. The automobile lamp control system comprises a controller and photosensitive sensors, wherein the controller is connected with the automobile lamps, and the photosensitive sensors are connected with the controller. Via the technical scheme of the automobile lamp control method and the automobile lamp control system, automatic control of the high beam lamps is fully realized, the high beam lamps can be automatically controlled according to variation of external ambient light, not only attention of a driver is avoided, but also the high beam lamps can be automatically switched and changed to meet requirements of different environments, and safety, intelligence and user experience of an automobile are strengthened.

Description

A method and system for controlling a car light

technical field

The invention relates to a method and a system for realizing the control of automobile lamps, especially automobile high beam and/or low beam.

Background technique

At present, the turning on and off of the high beam and low beam lights on the car is manually controlled, which first consumes the driver's energy, and the switching operation of the high beam and low beam lights may cause the distraction of the driver's attention and increase the safety risk; secondly, The driver may mistakenly turn on the high beam or low beam. For example, in urban roads, the high beam should not be turned on, and in the daytime, neither the high beam nor the low beam should be turned on. The driver's negligence or intentional turning on the high beam or low beam will affect other people and cause unnecessary waste of electric energy of the car.

What is more serious is that at present, accidents caused by dazzling lights when meeting cars at night occur frequently. The use of car lights that are dazzled or not used according to regulations has been investigated and dealt with materially, which has brought this phenomenon under some control, but it is impossible for the traffic police department to supervise every intersection and every car, resulting in dazzled car lights at night, which has become an invisible killer on the road. , threatening the safety of drivers and the public.

Contents of the invention

In order to solve the technical problems that the existing control of high beam lights of automobiles relies on manual operation, automatic control cannot be realized according to changes in external environment light, the driver's attention is distracted, and the safety risk is increased. The present invention provides a method for controlling automobile lights , the method includes: the controller controls the turning on and off of the high beam; the method also includes the following steps:

Step s1: installing the photosensitive sensor on the vehicle body;

Step s2: the controller controls the high beam to be turned on and off according to the detection result of the photosensitive sensor.

By adopting the technical solution of the present invention, the control of the high beam can be automatically controlled completely, and the high beam can be automatically controlled according to the change of the light in the external environment, which can not only avoid the driver's attention, but also automatically switch and change to meet the needs of different environments , Enhance vehicle safety, intelligence and user experience.

further,

Step s1 includes sub-step s11: the photosensitive sensor is installed on the front of the vehicle body;

Step s2 includes sub-step s21: when the photosensitive sensor is illuminated by high beam lights of other cars, the controller controls the high beam lights to turn off.

Interaction of high beam lights when two vehicles meet is an important factor that causes safety risks. When two vehicles meet, the lights of the opposite car first shine on the front of the car's body, and the lights of the opposite car can cause dazzling effects on the driver of the car The part is also mainly injected from the front of the vehicle body. Using the above-mentioned technical scheme, the photosensitive sensor is installed in the front of the vehicle body, which is beneficial to early detection of passing vehicles, and the high beam headlights of the vehicle are turned off in the first time to avoid this. The high beams of the car affect the other driver. If the above-mentioned counting scheme is adopted in the two passing vehicles, the safety risks for both drivers and surrounding vehicles or pedestrians can be reduced.

Further, the sub-step s21 includes: when the photosensitive sensor is illuminated by the high beams of other vehicles, the controller controls the low beams to light up.

By adopting the above technical scheme, when the high beam light is extinguished, the low beam light is controlled to be lit to illuminate the driver to facilitate his driving and avoid the danger to the driver caused by the sudden dimming of the light on the road ahead.

Further, in sub-step s11: the height of the installation position of the photosensitive sensor on the vehicle body from the ground is greater than or equal to 90 cm and less than or equal to 100 cm.

According to the requirements of relevant traffic laws and current vehicle manufacturing standards, the irradiation area and intensity of automobile high beams are strictly required. According to these requirements and standards, the inventor calculates that the light energy of the high beams installed on the automobile It is mainly concentrated in the range of 90cm-100cm from the ground. Therefore, installing the photosensitive sensor at a height of 90cm-100cm from the ground can enable the photosensitive sensor to better receive the high-beam illumination of the other party and enable the controller to judge the external environment. The result is more precise.

Further, in sub-step s11: the photosensitive sensor is installed on the outer side of the vehicle body next to the headlights at the front of the vehicle body.

Since the two passing vehicles are usually not directly facing each other, but each is located obliquely in front of the other, therefore, installing the photosensitive sensor on the outer side of the vehicle body can better receive the illumination of the light of the passing vehicle on the opposite side, which is beneficial to the controller's control. Accurate judgment of the external environment.

further,

In sub-step s11: the photosensitive sensor is installed on the outside of the vehicle body next to the headlights on the cab side;

In sub-step s21: when the photosensitive sensor is irradiated by the high beam lights of other cars, the controller controls the high beam lights on the side of the driver's cab to turn off.

Further, the sub-step s21 includes: when the photosensitive sensor is illuminated by the high beams of other cars, the controller controls the high beams on the side of the passenger cab to keep the original state.

When meeting cars, the bodies on the cab side of the two cars face each other, while the bodies on the co-pilot side of the two cars face each other. According to the requirements of relevant traffic regulations and the current vehicle manufacturing standards, the irradiation area and intensity of the high beam of the car are There are strict requirements, according to these requirements and standards, the deviation of the irradiation range of the car headlights in the left direction of the horizontal plane and the deviation in the right direction are not equidistant, but the light emitted by the headlights on the cab side is more It tends to be perpendicular to the front of the vehicle body, and the light emitted by the headlights on the side of the passenger compartment is more inclined to the outside relative to the front of the vehicle body, which can reduce the closeness of the two vehicles when they meet and the two vehicles when they meet. Possibility of headlight crosstalk. Therefore, adopt above-mentioned technical scheme, needn't control the high beam light of left and right sides all to turn off when meeting a car, but only control the high beam light of driver's cab side to extinguish, avoid the strong light irradiation to the other side's vehicle, and the copilot side's The high beam can be turned on or off as required. If it is not turned off, it can reduce the impact of insufficient light on the road ahead of the vehicle caused by the sudden shutdown of the left high beam, which is convenient for driving and ensures safety. Moreover, the two high beams are independently controlled, and the control method is more flexible, which can meet the needs of more situations.

Further, step s2 includes:

Sub-step s22: the controller judges according to the detection result of the photosensitive sensor that it is night and there are road lights, and the controller controls the high beam to turn off.

By adopting the above-mentioned technical scheme, when driving on urban roads at night when it is not suitable to turn on the high beam, the high beam can be automatically controlled to be extinguished, avoiding the turning on of the high beam due to human negligence or intention, ensuring the traffic safety of oneself and others, and saving the electric energy of the vehicle.

Further, step s2 includes:

Sub-step s23: the controller judges that it is daytime according to the detection result of the photosensitive sensor, and the controller controls both the high beam and the low beam to turn off.

With the above technical solution, when driving in the daytime when there is no need to turn on the far and low beam lights, it can automatically control the far and low beam lights to be extinguished, avoiding human negligence or intentional turning on of the far and low beam lights to save energy, and the car’s electric energy must be mature and guaranteed Safety of yourself and others.

The present invention also provides an automobile lamp control system using the above control method, which includes a controller connected with the automobile lamp and a photosensitive sensor connected with the controller.

The beneficial effects brought by the present invention are: the control method and control system of the present invention are applied to automobiles, and the technical scheme of the present invention is adopted, the control of the high beam can be fully automatically controlled, and the high beam can be automatically controlled according to the change of the light in the external environment Lights can not only avoid the driver's attention, but also automatically switch and change to adapt to the needs of different environments and enhance car safety, intelligence and user experience.

The invention can realize real-time monitoring when meeting vehicles, and automatically switch between far and low beams, so as to achieve intelligent management and reduce the incidence of traffic accidents caused by dazzled lights.

Description of drawings

Fig. 1 is a schematic flow chart of an embodiment of the automobile lamp control method of the present invention;

Fig. 2 is a schematic structural block diagram of an embodiment of an automobile lamp control system according to the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

The automobile lamp control method of the present invention comprises: the controller controls the high beam light on and off; also includes the following steps:

Step s1: installing the photosensitive sensor on the vehicle body;

Step s2: the controller controls the high beam to be turned on and off according to the detection result of the photosensitive sensor.

As the first embodiment of the control method of the present invention, on the basis of the above, step s1 further includes sub-step s11: the photosensitive sensor is installed on the front of the vehicle body;

Step s2 further includes sub-step s21: when the photosensitive sensor is illuminated by high beam lights of other vehicles, the controller controls the high beam lights to be turned off and the low beam lights to be turned on.

Preferably, in sub-step s11 : the height of the installation position of the photosensitive sensor on the vehicle body from the ground is greater than or equal to 90 cm and less than or equal to 100 cm.

Preferably, in sub-step s11: the photosensitive sensor is installed on the outer side of the headlights at the front of the vehicle body.

As an improvement to the above-mentioned first embodiment, in sub-step s11: the photosensitive sensor is installed on the outside of the headlight on the cab side;

In sub-step s21: when the photosensitive sensor is irradiated by the high beams of other vehicles, the controller controls the high beams on the driver's cab side to be extinguished, and the high beams on the passenger cab side remain as they are.

As the second embodiment of the present invention, on the same basis as the first embodiment, step s2 further includes:

Sub-step s22: the controller judges according to the detection result of the photosensitive sensor that it is night and there are road lights, and the controller controls the high beam to turn off and the low beam to turn on.

Preferably, in sub-step s22, the controller prohibits the high beam from being turned on.

As a third embodiment of the present invention, on the same basis as the first embodiment, step s2 further includes:

Sub-step s23: the controller judges that it is daytime according to the detection result of the photosensitive sensor, and the controller controls both the high beam and the low beam to turn off.

Preferably, in sub-step s23, the controller prohibits the high beam and low beam lights from being turned on.

As the fourth embodiment of the present invention, it is to combine the above-mentioned first and second embodiments, so that it can be realized to turn off sightseeing etc. in time and switch to lighting when encountering other cars' high beams when meeting cars. The dipped beam can also avoid the unnecessary use of the high beam in the city road at night.

As the fifth embodiment of the present invention, it is to combine the above-mentioned first and third embodiments, so that it can be realized to turn off sightseeing etc. in time and switch to lighting when encountering other cars' high beams when meeting cars. Low beams can also avoid unnecessary use of high beams and low beams during the day.

As the sixth embodiment of the present invention, the above-mentioned second and third embodiments are combined, so that unnecessary use of high beams can be avoided in night city roads and high beams and high beams can be avoided during the day. Unnecessary use of dipped beams.

As the seventh embodiment of the present invention, as shown in Figure 1, it is to combine the first, second and third embodiments above, so that it can be realized that when meeting other cars, it will be illuminated by the high beam lights of other cars. Timely extinguish sightseeing etc. and switch to light low beam, can realize avoiding the unnecessary use of high beam in the urban road at night again, can also realize avoiding unnecessary use of high beam and low beam in daytime.

As shown in Figure 2, the specific embodiment of the present invention also provides the automobile lamp control system that uses above-mentioned control method, comprises the controller 1 that is connected with automobile lamp 3 and the photosensitive sensor 2 that is connected with controller 1, and automobile lamp 3 Including high beam 31, low beam 32 and so on.

Preferably, the controller can use the existing ECU of the car.

Preferably, the photosensitive sensor 2 is a photoresistor.

Preferably, the present invention adopts independent control to two front lamps, and each front lamp is respectively connected with an AVR slave 11, and two AVR slaves 11 are connected with an AVR host 10 again, utilize AVR host 10 to AVR slave 11 Carry out communication and control design to realize that when the cars meet at night, the lights of the opposite car shine on the car, use the photosensitive sensor 2 to realize the discrimination, and transmit the data to the controller 1 for processing, and the AVR host 10 according to the AVR slave 11 Through the data collected from the outside by the photosensitive sensor 2, real-time monitoring and control of the automatic switching of near and high beams.

The automobile lamp control system of this embodiment realizes the automatic control of the high beam and the low beam on and off, and its realization functions are all realized by analog circuits. When it is detected that there is a specific light intensity in front of the car, it changes its own resistance value, causing the circuit current to increase or decrease. The system judges the magnitude of the current, and then sends a control signal to the relay, instructing the relay to turn on the far and low beam lights. Or off, it can realize automatic switching between far and low beams.

The inventor has carried out actual tests, using the control method and the control system of the embodiment of the present invention in two cars, when the two cars meet each other, each of them can automatically switch the dipped headlights, and is not affected by street lamps or other light sources. The sensor is based on the light emission angle and intensity to sample, when there is strong light or direct light coming from the opposite side, it will start to enter the smart car light monitoring mode, so as to achieve the purpose of intelligently switching near and high beams.

The above is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept and connotation of the present invention, they can also make some simple deduction or replacement, which should be regarded as belonging to the protection scope of the present invention.

Claims (10)

1. automobile lamp control method, the method comprises: the light on and off of controller control country beam; Characterized by further comprising following steps:

Step s1: photosensor is installed on the vehicle body;

Step s2: controller is according to the light on and off of the testing result control country beam of photosensor.

2. control method according to claim 1 is characterized in that:

Step s1 further comprises substep s11: photosensor is installed on body forward structure;

Step s2 further comprises substep s21: when photosensor was shone by the country beam of other automobile, controller control country beam extinguished.

3. control method according to claim 2 is characterized in that further comprising among the substep s21: when photosensor was shone by the country beam of other automobile, controller control passing light was lighted.

4. control method according to claim 2, it is characterized in that among the substep s11: the installation site of photosensor on vehicle body height overhead is more than or equal to 90cm, less than or equal to 100cm.

5. it is characterized in that among the substep s11 according to claim 2 or 3 described control methods: photosensor is installed on the other outside by vehicle body of body forward structure front car light.

6. it is characterized in that according to claim 2 or 3 described control methods:

Among the substep s11: photosensor is installed on the other outside by vehicle body of front car light of operator's compartment side;

Among the substep s21: when photosensor was shone by the country beam of other automobile, the country beam of controller control operator's compartment side extinguished.

7. control method according to claim 6 is characterized in that further comprising among the substep s21: when photosensor was shone by the country beam of other automobile, the country beam of controller control copilot chamber side maintained the original state.

8. control method according to claim 1 is characterized in that step s2 further comprises:

Substep s22: controller judges at that time for night according to the testing result of photosensor and when the highway lamp irradiation was arranged, controller control country beam extinguished.

9. described control method according to claim 1 is characterized in that step s2 further comprises:

Substep s23: controller judges that according to the testing result of photosensor when be daytime at that time, controller is controlled country beam and passing light all extinguishes.

10. a right to use requires the car lamp control system of each control method among the 1-9, comprises the controller that is connected with automobile lamp, it is characterized in that: also comprise the photosensor that is connected with controller.

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