In-car child early warning device based on STM32

Abstract

The invention provides an in-car child early warning device based on STM32, belongs to the field of saloon car safety pre-warning. The in-car child early warning device comprises an STM32 master controller, a power supply and protection module, a control and detection module, a liquid crystal display module, a wireless communication module and an automatic alarm module, wherein the power supply and protection module adopts a switching power supply based on a soft starting circuit and an automatic recovery circuit; the control and detection module comprises a speed sensor, a minute timer and a temperature sensor; the liquid crystal display module comprises a bus mode, a liquid crystal display (1) and a liquid crystal display (2); the wireless communication module comprises an infrared scanner, a wireless communication device, an infrared scanning image, image identification, a mobile phone receiver and a signal converter; the automatic alarm module comprises a voice alarm apparatus, a hazard warning lamp and door automatic unlocking. According to the device provided by the invention, an in-car image can be traced and detected during parking, the accuracy of system detection is high, the control is stable, and the aim of in-car child early warning can be fully achieved.

Description

technical field [0001] The invention belongs to the field of car safety early warning, and in particular relates to an STM32-based early warning device for children in a car. Background technique [0002] With the rapid development of social economy and the rapid improvement of people's living standards, cars have gradually entered the homes of ordinary people due to their convenience. However, due to the closedness and key control of family cars and the negligence of parents to sleeping children , leading to many tragic cases of heatstroke or suffocation caused by children left alone in the car for too long. [0003] It is reported that there have been many cases in the past six months. On April 1, 2015, a father in Shanghai went out to do errands for too long. He forgot that his one-and-a-half-year-old daughter was still in the car. A boy in Nanning was trapped in the car because his parents neglected to find him; at the same time, a 14-year-old boy in Xiangtan, Hunan was...

AI Technical Summary

Problems solved by technology

[0002] With the rapid development of social economy and the rapid improvement of people's living standards, cars have gradually entered the homes of ordinary people due to their convenience. However, due to the closedness and key control of family cars and the negligence of parents to sleeping children , leading to many tragic cases of heatstroke or suffocation caused by children left alone in the car for too long

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