The invention discloses a vehicle alarm
system, comprising: a DSP control
chip, a detection unit, and an alarm unit; wherein, the detection unit judges whether there is a moving target within a preset range behind the vehicle according to a detection instruction of the DSP control
chip, and judges whether there is a moving target When the moving target is detected, the moving target is detected, and the detected first detection
signal is provided to the DSP control
chip; the DSP control chip judges whether the door opening warning needs to be carried out according to the first detection
signal provided by the detection unit, and when it is judged as When the door opening warning is required, the door opening
alarm signal is provided to the alarm unit; the alarm unit provides an alarm prompt to the user in the vehicle according to the door opening
alarm signal provided by the DSP control chip. Through the vehicle alarm
system, traffic accidents caused by the opening of the
car door are avoided, and the safety of the vehicle is improved; in addition, passengers are not required to watch the rear state of the vehicle before getting off the vehicle, providing passengers with better driving comfort .