CN210454609U - A induction control system for car headlight - Google Patents

Abstract

The utility model discloses an induction control system for car headlight, including passing lamp and the far-reaching headlamp of installing on the car, the car internally mounted has control system, and this control system includes that a plurality of electric elements electricity are connected and are formed, control system is used for being connected with passing lamp and far-reaching headlamp electricity respectively, a plurality of electric elements include the inductor of installing in car headlight one side, install the detection input unit in the car, singlechip, clock circuit, reset circuit, alarm module, power module, control switch, dimming control output module, storage module and install LCD display screen, switch and bee calling organ in the driver's cabin; the utility model discloses can pass through sensor sensing signal and by the switch or the light luminance of single chip microcomputer control headlight, its development cost is low, the system low power dissipation, signal processing ability are strong.

Description

A induction control system for car headlight

Technical Field

The utility model relates to an automobile lamp specifically is an induction control system for car headlight.

Background

As electronic technology makes great progress, electronic components have small volume, light weight and further reduced power consumption. The microprocessor has enhanced functions, so that the calculation speed is increased by several times, the price is lowered, the reliability is greatly improved, conditions are created for reforming the traditional automobile by using an electronic technology, and conditions are provided for designing an automobile lamp control system. The automobile lamp control system plays an active safety role in the daily use and driving of the automobile, and for an automobile driver, the reliable automobile lamp control system can provide the driver with enough accurate road condition information, so that the driver does not need to worry about the road condition excessively when driving at night. Even if dangerous conditions occur during driving at night, the driver can have enough time to react, so that the damage to property and personal safety is minimized. The existing automobile lamp control system has the problems of automobile lamp induction and automatic opening and adjusting. In order to solve the problem, the vehicle lamp control system controls the vehicle lamp to achieve a good effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the induction control system who provides for car headlight.

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

the utility model provides a response control system for car headlight, is including installing passing lamp and the high beam on the car internally mounted has control system, and this control system includes that a plurality of electrical component electricity are connected and form, control system is used for being connected its characterized in that with passing lamp and high beam electricity respectively: the electric elements comprise an inductor arranged on one side of the automobile headlamp, a detection input unit arranged in the automobile, a single chip microcomputer, a clock circuit, a reset circuit, an alarm module, a power supply module, a control switch, a dimming control output module, a storage module, an LCD display screen arranged in a cab, a power supply switch and a buzzer;

the sensor comprises a light sensor and an ultrasonic distance measuring device;

the detection input unit comprises a signal conditioning module, a signal amplification module and an analog-to-digital conversion module which are sequentially connected; the signal conditioning module, the signal amplification module and the analog-to-digital conversion module which are connected in sequence are arranged relative to the light sensor and the ultrasonic distance measuring device and comprise an optical signal conditioning module, an optical signal amplification module, an optical analog-to-digital conversion module, an ultrasonic signal conditioning module, an ultrasonic signal amplification module and an ultrasonic analog-to-digital conversion module;

the optical sensor and the ultrasonic distance measuring device are respectively electrically connected with the corresponding signal conditioning module, optical signals and ultrasonic signals are input into the signal conditioning module, then the optical signals and the ultrasonic signals are input by the signal conditioning module, then impurity removal and filtering are carried out, the output is connected with the signal amplification module, the sensed signals are amplified and then output to the module conversion module, and then analog signals are converted into digital signals to be output to the single chip microcomputer for control;

the single chip microcomputer is also respectively and electrically connected with a clock circuit, a reset circuit, a power switch, a storage module, an alarm module, a control switch and an LCD display screen, the power switch is electrically connected with the power module, the electric energy of the power supply module is input by pressing the power supply switch, the upper and lower limit data of the distance measured by light induction and ultrasonic wave are stored in the storage module, the control switch is electrically connected with the dimming control output module through the control comparison of the singlechip, the singlechip automatically controls the control switch to be turned on, under the condition that the control switch is turned on, the singlechip is also electrically connected with the dimming control output module and is used for controlling the dipped headlight and the high beam to automatically dim, and displays the dimming data on the LCD display screen, the dimming control output module is electrically connected with the dipped headlight and the high beam, the alarm module is electrically connected with the buzzer and alarms the inducted induction signals through the buzzer;

the control switch comprises a first control switch and a second control switch; the first control switch is used for controlling the dipped headlight, and the second control switch is used for controlling the high beam;

the low beam lights comprise a first low beam light and a second low beam light; the high beam comprises a first high beam and a second high beam.

Further, the single chip microcomputer is AT89C51 in model;

the model of the ultrasonic distance measuring device is HC-SR 04;

the model of the light sensor is LXD-GB 5-A1E;

the type of the reset circuit is STM32W 108;

the type of the alarm module is AT-518;

the signal conditioning module is ADAM3000 series;

the signal amplification module is in the model of LAM 358;

the type of the chip used by the analog-to-digital conversion module is an ADC0832 chip;

the LCD display screen model is 1602.

The utility model discloses the beneficial effect who reaches is: the single chip microcomputer controls each state of the automobile in the driving process to realize automobile light regulation and display light information on the LCD display screen, and the single chip microcomputer processes and judges signals input by the sensor so as to make commands to control the on and off of the automobile lights. Meanwhile, before or during the running of the vehicle, the system judges whether the vehicle lamp is in a fault state by detecting the feedback current of the power supply line of the vehicle lamp;

the control system can control the on-off of the headlamp or the light brightness through the sensor sensing signal and the single chip microcomputer, is low in development cost, low in system power consumption and strong in signal processing capacity, can realize accurate control, is strong in anti-interference capacity, and is more in line with an automobile control coaching mode.

Drawings

Fig. 1 is a schematic view of an induction control system for a headlamp of an automobile according to the present invention;

FIG. 2 is a schematic diagram of the system of the input unit of the present invention;

fig. 3 is a schematic diagram of the connection between the control switch, the dimming control output module, the dipped headlight and the high beam of the present invention;

in the figure: the optical sensor 1, the ultrasonic distance measuring device 11, the optical detection input unit 2, the ultrasonic detection input unit 201, the optical signal conditioning module 20, the optical signal amplification module 21, the optical analog-to-digital conversion module 22, the ultrasonic signal conditioning module 23, the ultrasonic signal amplification module 24, the ultrasonic analog-to-digital conversion module 25, the single chip microcomputer 3, the clock circuit 31, the reset circuit 32, the storage module 33, the alarm module 34, the power module 35, the control switch 36, the first control switch 361, the second control switch 362, the dimming control output module 37, the first dimming control output module 371, the second dimming control output module 372, the LCD display screen 38, the power switch 39, the buzzer 40, the dipped headlight 5, the first dipped headlight 51, the second dipped headlight 52, the high beam 6, the first high beam 61, and the second high beam 62.

Detailed Description

Referring to fig. 1-3, the technical solution provided by the present invention is: an induction control system for automobile headlights comprises a dipped headlight 5 and a high beam 6 which are arranged on an automobile, and a control system is arranged in the automobile;

the control system comprises a plurality of electric elements which are electrically connected, the control system is used for being electrically connected with a dipped headlight and a high beam respectively, the electric elements comprise an inductor arranged on the inner side of a headlight of an automobile, a detection input unit 2 arranged in the automobile, a singlechip 3, a clock circuit 31, a reset circuit 32, a power module 35, a storage module 33, a control switch 36, a dimming control output module 37, an LCD display screen 38 arranged in a cab and a power switch 39;

the inductor includes:

a light inspection sensor and an ultrasonic distance measuring device 11;

the detection input unit 2 includes:

the signal conditioning module, the signal amplifying module and the analog-to-digital conversion module are connected in sequence;

specifically, the signal conditioning module, the signal amplifying module and the analog-to-digital conversion module which are connected in sequence are arranged relative to the optical sensor 1 and the ultrasonic distance measuring device 11, and include an optical signal conditioning module 20, an optical signal amplifying module 21 and an optical analog-to-digital conversion module 22, as well as an ultrasonic signal conditioning module 23, an ultrasonic signal amplifying module 24 and an ultrasonic analog-to-digital conversion module 25, so that they can be electrically connected with the corresponding sensors, and thus the processed sensing signals are input to the single chip microcomputer 3 for control.

For the above electrical components, specifically, the single chip microcomputer 3 is AT89C 51; AT89C51 is an 8-bit CMOS microcomputer chip with 4K flash memory designed and manufactured by ATMEL technologies. The method has the advantages of non-volatility, high access speed, high precision and the like, so that the method has high reliability, good real-time performance and high processing speed, and important data cannot be lost without cause after power failure.

The model of the ultrasonic distance measuring device 11 is HC-SR 04; it can test non-contact distance sensing at distances ranging from 2cm to 400 cm. The ranging precision of the HC-SR04 ranging module can reach 3 mm. The module can automatically send ultrasonic signals forwards, can automatically receive reflected signals if the module touches an obstacle, and analyzes the signals to obtain the distance between the vehicle and the obstacle. If the ultrasonic signal is not returned all the time after the signal is transmitted, the control system can automatically check whether the ultrasonic system has a problem or not, and can give a ringing prompt to the driver during detection. If the ultrasonic system has no problem, the ringing prompt disappears, and the driver can drive with ease. If the ultrasonic system is found to have problems after self detection, the system will sound all the time to prompt, and the driver is advised to carry out maintenance treatment soon.

The model of the light sensor 1 is LXD-GB 5-A1E; its luminance that is used for responding to ambient light to can the illumination of automatic control passing lamp and far-reaching headlamp, in addition, when the driving at night, when the condition that the vehicle meets that appears the vehicle head-on, the vehicle deviates from the main shaft position after, and the illumination angle can change, and illumination luminance still can descend, and it is relatively weak to survey ambient light, so what far-reaching light sensor's selection was emphasized is its sensitivity and linearity under weak light.

The reset circuit is STM32W108, and the reset is the initialization operation of the single chip microcomputer. When the single chip microcomputer is powered on and started, the reset action is required to be carried out firstly. The reset action is used for enabling the single chip microcomputer to be in the same environment and to act uniformly, and therefore the system has higher accuracy.

The signal conditioning module model is ADAM3000 series, and the signal conditioning modules in this embodiment are all used in this series.

The signal amplification module is of model LAM358, and all the signal amplification modules in this embodiment use this module.

The analog-to-digital conversion module is provided with an ADC0832 chip, and the conversion chip has the advantages of small volume, high compatibility and outstanding cost performance, and can obtain high utilization rate;

the LCD display 38 is of type 1602.

Therefore, the internal connection relationship of the control system is that the light inspection sensor and the ultrasonic distance measuring device 11 are respectively and electrically connected with corresponding signal conditioning modules, light signals and ultrasonic signals are input into the signal conditioning modules, then the signals are input by the signal conditioning modules to remove impurity and filter, output is connected with a signal amplifying module to amplify the sensed signals and then output to a module converting module, analog signals are converted into digital signals to be output to a singlechip 3 for control, the singlechip 3 is also respectively and electrically connected with a clock circuit 31, a reset circuit 32, a storage module 33, a power switch 39, a control switch 36 and an LCD display screen 38, upper and lower limit data of light sensing distance and ultrasonic distance measuring are stored in the storage module 33, the data are controlled and compared by a singlechip, when the comparison value is smaller than the storage module value, corresponding headlights can be turned on automatically, and when the sensing signals cannot be input into the singlechip, buzzer warning is connected to alarm module electricity by single chip microcomputer control, switch 39 electricity power module 35 of connecting makes power module 35 electric energy input through pressing switch 39, control switch 36 electricity is connected dimming control output module 37, is opened control switch 36 automatic control by single chip microcomputer 3, and under the situation of opening control switch 36, single chip microcomputer 3 still electricity is connected dimming control output module 37 and is used for controlling dipped headlight and far-reaching headlamp and adjust luminance to show dimming data on LCD display screen 38, dipped headlight and far-reaching headlamp are connected to dimming control output module 37 electricity, buzzer 40 is connected to alarm module 34 electricity, and the sensing signal that will not sense reports to the police through buzzer 40.

As shown in fig. 3, the control switch 36 includes:

a first control switch 361 and a second control switch 362;

the first control switch 361 is used for controlling the low beam, and the second control switch 362 is used for controlling the high beam. The low beam 5 includes a first low beam 51 and a second low beam 52, and the high beam 6 includes a first high beam 61 and a second high beam 62, so that the low beam and the high beam are respectively controlled by electrically connecting the corresponding dimming control output module 37 through the corresponding control switch 36.

This application theory of operation, through pressing switch 39 in the driver's cabin, make power module 35 carry the electric energy to realize this control system's operation, car light control system is when detecting the car opposite through photo sensor 1 and ultrasonic measurement distancer 11 respectively and opens light and ambient brightness when, and light is handled with the regulation by light detection input unit 2 and ultrasonic detection input unit 2 and enlargies and convert 3 control signal monolithic processor back into, output after the upper and lower limit signal contrast of prestoring in by monolithic processor 3 and the memory module 33, monolithic processor 3 opens dimming control output module 37 according to the effective signal that detects this moment, come to switch the far-reaching headlamp into the passing lamp. Otherwise, the single chip microcomputer 3 continues to detect the input signal, and meanwhile, after the signal is detected, the LED display screen arranged in the cab displays the signal, and when the sensing signal is not received, the single chip microcomputer can also control a buzzer electrically connected with the alarm module to alarm, so that the sensing system is reminded of the occurrence of a problem.

In the use of the control system, the vehicle automatically controls the on or off state of the lamp according to the actual conditions of the outside. Such as when the vehicle enters a tunnel, an underground parking garage, or other environment with insufficient light intensity or travels at night. The vehicle automatically turns on the headlamps at this time because normal driving by the driver is affected. When the vehicle travels in an environment with sufficient illumination intensity, such as daytime, the vehicle can automatically turn off the headlamps.

When the vehicle is driven at night, the headlamp can be automatically turned on at the moment. The system can automatically switch the high beam state and the low beam state of the headlamp according to the distance of the front obstacle. For example, when meeting at night, the system automatically switches the lighting state of the headlamps into a low beam lighting mode, and automatically restores the headlamps to the original lighting state after meeting is finished.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (2)

1. The utility model provides a response control system for car headlight, is including installing passing lamp and the high beam on the car internally mounted has control system, and this control system includes that a plurality of electrical component electricity are connected and form, control system is used for being connected its characterized in that with passing lamp and high beam electricity respectively: the electric elements comprise an inductor arranged on one side of the automobile headlamp, a detection input unit arranged in the automobile, a single chip microcomputer, a clock circuit, a reset circuit, an alarm module, a power supply module, a control switch, a dimming control output module, a storage module, an LCD display screen arranged in a cab, a power supply switch and a buzzer;

the sensor comprises a light sensor and an ultrasonic distance measuring device;

the detection input unit comprises a signal conditioning module, a signal amplification module and an analog-to-digital conversion module which are sequentially connected; the signal conditioning module, the signal amplification module and the analog-to-digital conversion module which are connected in sequence are arranged relative to the light sensor and the ultrasonic distance measuring device and comprise an optical signal conditioning module, an optical signal amplification module, an optical analog-to-digital conversion module, an ultrasonic signal conditioning module, an ultrasonic signal amplification module and an ultrasonic analog-to-digital conversion module;

the optical sensor and the ultrasonic distance measuring device are respectively electrically connected with the corresponding signal conditioning module, optical signals and ultrasonic signals are input into the signal conditioning module, then the optical signals and the ultrasonic signals are input by the signal conditioning module, then impurity removal and filtering are carried out, the output is connected with the signal amplification module, the sensed signals are amplified and then output to the module conversion module, and then analog signals are converted into digital signals to be output to the single chip microcomputer for control;

the single chip microcomputer is also respectively and electrically connected with a clock circuit, a reset circuit, a power switch, a storage module, an alarm module, a control switch and an LCD display screen, the power switch is electrically connected with the power module, the electric energy of the power supply module is input by pressing the power supply switch, the upper and lower limit data of the distance measured by light induction and ultrasonic wave are stored in the storage module, the control switch is electrically connected with the dimming control output module through the control comparison of the singlechip, the singlechip automatically controls the control switch to be turned on, under the condition that the control switch is turned on, the singlechip is also electrically connected with the dimming control output module and is used for controlling the dipped headlight and the high beam to automatically dim, and displays the dimming data on the LCD display screen, the dimming control output module is electrically connected with the dipped headlight and the high beam, the alarm module is electrically connected with the buzzer and alarms the inducted induction signals through the buzzer;

the control switch comprises a first control switch and a second control switch; the first control switch is used for controlling the dipped headlight, and the second control switch is used for controlling the high beam;

the low beam lights comprise a first low beam light and a second low beam light; the high beam comprises a first high beam and a second high beam.

2. The inductive control system for a vehicle headlamp according to claim 1, characterized in that: the type of the single chip microcomputer is AT89C 51;

the model of the ultrasonic distance measuring device is HC-SR 04;

the model of the light sensor is LXD-GB 5-A1E;

the type of the reset circuit is STM32W 108;

the type of the alarm module is AT-518;

the signal conditioning module is ADAM3000 series;

the signal amplification module is in the model of LAM 358;

the type of the chip used by the analog-to-digital conversion module is an ADC0832 chip;

the LCD display screen model is 1602.

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