Cavity/barrier detection walking stick for blind people

Abstract

The invention discloses a cavity / barrier detection walking stick for blind people, and belongs to the technical field of articles for daily use. The cavity / barrier detection walking stick comprises a handle and a stick body, wherein the lower part of the stick body is provided with an ultrasonic detection alarm device; the ultrasonic detection alarm device comprises a control processor, an ultrasonic sensor, a voice alarm module and a power supply circuit; the lower end of the stick body is connected with a substrate; the substrate is connected with at least three supporting legs which are supported on the ground; the ultrasonic sensor is arranged in front of the substrate by a preset angle; the control processor, the voice alarm module and the power supply circuit are arranged on a circuit board; the circuit board is fixedly arranged under the substrate. The control processor is used for computing and analyzing the road condition according to ultrasonic data transmitted by the ultrasonic sensor, then controlling the voice alarm module to work and reminding the blind people to steer away from the barrier and the cavity, so that the waling safety of the blind people is ensured.

Description

technical field [0001] The invention relates to the technical field of daily necessities, in particular to a crutch, especially a pothole / obstacle detection crutch for the blind. Background technique [0002] Crutches are a tool most commonly used by blind people. They play a role in exploring the way and are an important tool to ensure the safety of blind people walking. Traditional crutches consist of a handle and a cane body. Blind people can judge the basic condition of the road ahead through the tactile information fed back by the crutches. However, the length of crutches is limited, and the road condition information that blind people can obtain is quite limited. Obstacles or potholes within the reach of the blind cannot be instructed in advance, which is not conducive to the walking safety of the blind. In addition, when walking at night, traditional crutches do not have the function of reminding passers-by, and it is easy for passers-by to bump into a blind person b...

AI Technical Summary

Problems solved by technology

Traditional crutches consist of a handle and a cane body. Blind people can judge the basic condition of the road ahead through the tactile information fed back by the crutches. However, the length of crutches is limited, and the road condition information that blind people can obtain is quite limited. Obstacles or potholes within the reach of the blind cannot give instructions to the blind in advance, which is not conducive to the walking safety of the blind

In addition, when walking at night, traditional crutches do not have the function of reminding passers-by, and it is easy for passers-by to bump into the blind person by mistake and cause the blind person to be injured.

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