CN209972309U - A nighttime traffic reminder device - Google Patents

Abstract

The utility model discloses a reminder device for meeting vehicles at night. Including light sensor, microcontroller and voice broadcast system. The light sensor detects the light intensity of the light of the opposite vehicle in real time, and sends the light intensity to the single chip computer. When the single-chip microcomputer detects a sudden change in the light intensity within 1.5 seconds, it triggers the voice broadcast system to play the preset "please turn off the high beams" prompt sound, which realizes the double reminder of the meeting signal and the voice broadcast when the car meets, and ensures that the driver is turned off. High beams ensure traffic safety while avoiding traffic violations. Compared with the prior art, the utility model has the advantages of simple structure, convenient installation, quick response, economical and practical and the like.

Description

A nighttime traffic reminder device

technical field

The utility model relates to the technical field of car meeting at night, in particular to a voice prompt device for the safety of car meeting at night.

Background technique

With the improvement of people's economic level and the rapid development of the automobile industry, automobiles have entered every household, but the traffic accidents that follow have also increased year by year, a large part of which is due to the habit of drivers using high beams when driving at night. , causing the vehicles or pedestrians driving on the opposite side to be dazzled by the strong light. To this end, many researchers have carried out research on the safety of meeting vehicles at night, and have applied for many patents on vehicle meeting control and early warning.

The patent with the application number 201710634231.1 proposes "a safety control system for meeting vehicles at night"; the patent with the application number 201720237562.7 proposes an "automatic monitoring device for automobile high beams"; the patent with the application number 201810107792.0 proposes a " "Automatic control system and method for high beam headlights for passing vehicles"; the patent application number 201721093988.6 proposes an "automatic dimming device for vehicles passing vehicles at night"; the patent application number 201721592934.4 proposes "a vehicle crossing warning device" system" and so on.

In the prior art including the above patents, first of all, some only consider the high beam mode and low beam mode of one's own vehicle. Can't control or remind the other party to turn off the high beams. Because some people like to turn on the high beams at night for their own visual effects, even if the cars driving in the opposite direction give a flashing reminder to meet the car, the other party still does not notice and does not turn off the high beams, so there is still dazzling by the light. danger.

Secondly, although some technologies provide a high-beam reminder device for passing vehicles, or automatically switch the high-beam headlights of the other vehicle to low-beam headlights through the control system when passing vehicles, they do not consider whether their own vehicle has turned on the high-beam headlights. lights, and did not take the initiative to remind the passing vehicle after the meeting that the vehicle has converted the other party's low beams to high beams. If the light is relatively dark, after the meeting, the other driver will be due to the headlights from bright to dim at the same time. Stimulated by the lights of the other vehicle, the visual blind spot suddenly appears, thus causing a great safety hazard.

Finally, there is a part of the technology that realizes the automatic conversion from high beam to low beam when the two vehicles meet, and from low beam to high beam after meeting. This type of technology determines whether the other party has turned on the high beam by judging whether the brightness of the ambient light exceeds the set threshold, and then automatically switches between the far and low beam. However, since the brightness of the far and low beam lights of different types of vehicles is different, and a large number of car owners install the lights without permission according to their own visual effects, there is a phenomenon that the brightness of the low beam lights exceeds the brightness of the ordinary high beam lights, which limits the There are some technologies that rely on light intensity to identify whether to turn on the high beams, so that there is a large error in the judgment, and it is not applicable to all vehicles. There is also a large error in the technology of the high beam.

In addition, driving high beams in urban areas at night has been classified as illegal driving, and will be punished by warning and deduction of points. Therefore, it is not possible to blindly rely on the automatic control system to realize the automatic switching of the vehicle's far and low beam lights. The driver must choose the use of the far and low beam lights according to the actual environment.

Therefore, it is necessary to design a car meeting device based on voice prompts. When meeting cars, it can recognize the flashing lights of the other driver's car meeting signal, and prompt itself to turn off the high beams in time to ensure driving safety when meeting cars. .

The utility model uses the sudden change value of the light intensity detected by the light sensor to judge the flashing signal of the passing light of the other party's headlight, and then triggers the voice prompt system of the vehicle, so that the voice prompt system sends out a prompt sound of "please turn off the high beams", and then Turn off the headlights manually, so that the other vehicle is not affected by the headlights of your own vehicle, and at the same time reduce traffic violations. It has the characteristics of simple structure, accurate judgment, convenient installation, economical and practical and so on.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a nighttime meeting reminder device which is easy to deploy, simple in structure, and capable of responding to the reminder signal of the meeting vehicle in real time and quickly, aiming at the above-mentioned prior art.

The utility model is realized as follows: a nighttime vehicle meeting prompting device comprises a light sensor, a single-chip microcomputer and a voice broadcasting system. The light sensor is connected with the single-chip microcomputer, and the single-chip computer is connected with the voice broadcasting system.

The light sensor is used for receiving the headlights of the opposite vehicles and converting the light intensity value into a voltage value.

The single-chip microcomputer, which is the control center of the system, is not only used to receive the voltage value of the light intensity detected by the light sensor, but also to judge the voltage value. When the detected voltage value changes within 1 second, the voice broadcast system is triggered. At the same time, the microcontroller has a voice preset function, which can download any recorded voice through the USB interface.

The voice broadcast system is a single-chip voice trigger module and an external speaker, which is used for receiving the instruction of the single-chip microcomputer, and broadcasts the preset voice of "please turn off the high beam" through the speaker.

Compared with the prior art, the utility model has the advantages of simple structure, convenient installation, quick response, etc., and can make the vehicles meeting at night quickly respond to the signal of the meeting, and turn off the large signal in time. It avoids the dazzling problem caused by the illumination of the opposite headlights, and greatly reduces the occurrence of traffic accidents.

Description of drawings

FIG. 1 is a system block diagram of a nighttime vehicle meeting reminder system of the present invention.

FIG. 2 is a flow chart of the voice broadcast of a nighttime car meeting prompting system of the present invention.

Marked in the figure: 1-light sensor; 2-MCU; 3-voice broadcasting system.

Detailed ways

Example:

As shown in FIG. 1 , a nighttime vehicle meeting prompting device includes: a light sensor 1 , a single-chip microcomputer 2 and a voice broadcasting system 3 . The light sensor 1 is connected with the single chip 2, and the single chip 2 is connected with the voice broadcasting system 3.

The light sensor 1 is installed on the left side of the front windshield of the car, above the instrument panel, so that the received light brightness is consistent with the brightness seen by the driver. The power line of the light sensor 1 is connected to the car USB interface and is powered by the car battery.

The single-chip microcomputer 2 is installed in a suitable position in the car according to the owner's preference, the power supply of the single-chip microcomputer 2 is connected to the USB interface of the car, and the playing voice is set in the single-chip microcomputer 2 in advance, "Please turn off the high beams".

The voice announcement system 3 is a voice trigger module of the single-chip microcomputer 2 and an external speaker, which can be installed at any position in the car by the owner according to his own preferences, and can issue preset voices under the control of the single-chip computer 2 .

As shown in FIG. 2 , a nighttime vehicle meeting reminder device of the present invention is installed according to the needs of the vehicle owner, and only needs to be installed unilaterally, which is convenient and free, and is not limited. When the driver is driving at night, he turns on the switch of the nighttime vehicle meeting prompting device of the present invention, and the illumination sensor 1 detects the illumination intensity of the opposite driving vehicle lights in real time, and sends the illumination intensity to the single-chip microcomputer 2 to detect whether the illumination intensity value changes abruptly. The preset detection time range of the single-chip microcomputer 2 is set to 1.5 seconds. During normal driving, the single-chip microcomputer 2 will not detect the sudden change of voltage, and will not send a signal to the voice broadcasting system 3 at the same time. When meeting a car, if the opposite vehicle sends a meeting signal, that is, manually control the flashing of the lights, the light sensor 1 will detect the sudden change of the light intensity value of the flashing signal within 1.5 seconds, and transmit the sudden change information to the microcontroller 2. MCU 2 detects a sudden change in the voltage value within 1.5 seconds, which triggers the voice announcement system 3 to play the preset "Please turn off the high beams" prompt sound, realizing the car meeting signal and voice broadcast at the same time when meeting a car. Drivers turn off the high beams to ensure traffic safety and avoid traffic violations.

Claims (1)

1. a vehicle meeting reminder device at night, is characterized in that, comprises: illumination sensor, single chip computer and voice broadcasting system; Lighting sensor is connected with single chip microcomputer, and single chip microcomputer is connected with voice broadcasting system; The light sensor is installed on the left side of the front windshield of the car, above the instrument panel, so that the received light brightness is consistent with the brightness seen by the driver, the light sensor power cord is connected to the car USB interface, and is powered by the car battery; The single-chip microcomputer is installed in a suitable position in the car according to the owner's preference, the power supply of the single-chip microcomputer is connected to the USB interface of the car, and the playing voice is set in the single-chip microcomputer in advance, "Please turn off the high beams"; The voice announcement system is a voice trigger module of a single-chip microcomputer and an external speaker, which is installed at any position in the car by the owner according to his own preferences, and can issue preset voices under the control of the single-chip microcomputer.

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