Safety alarm system under snowy working condition

The utility model discloses a safety alarm system under a snowy working condition. The safety alarm system comprises a hand brake switch, a vehicle speed sensor, a multimedia host and a combination instrument, the hand brake switch and the vehicle speed sensor are respectively in signal connection with a hand brake safety analysis unit arranged in the multimedia host; the hand braking safety analysis unit is in signal connection with an alarm buzzer and an alarm image display unit on the combination instrument; the hand braking safety analysis unit receives signals sent by the hand braking switch and the vehicle speed sensor for judgment and then sends an alarm execution signal to the alarm buzzer and the alarm image display unit. Aiming at the behavior that a driver manually neglects that the hand brake is not released and drives, sound and pattern alarm warning is performed to the maximum extent, abnormal abrasion of wheels is avoided, and driving safety is improved. 本实用新型公开了一种雪天工况下的安全报警系统，包括：手制动开关、车速传感器、多媒