Blind person travel auxiliary device

The invention provides a blind person travel assisting device, which comprises the following modules: an obstacle detection module for detecting the distance and type of an obstacle in front of a user; the alarm help-seeking module is used for controlling the voice playing module to send voice help-seeking information and controlling the LED alarm lamp to flicker to give an alarm when the user needs help; the voice playing module is used for voice help seeking under the control of the alarm help seeking module; and the toppling detection module is used for detecting the state of the device and giving an alarm by using the voice playing module and the LED alarm lamp when the user topples. The travel assisting device for the blind person has the advantages that 1, the distance is measured by ultrasonic waves, and the blind person is guided through voice reminding; 2, the state of the device is detected by using a toppling detector, sound and light alarm is conducted to seek help, and help seeking information is