Intelligent guide walking stick for blind people

Abstract

The invention relates to an intelligent guide walking stick for blind people. The intelligent guide walking stick comprises a walking stick body and a wrist cord, the walking stick body comprises a stick and a handle at the top end of the stick, the wrist cord is arranged on the handle which is provided with a microphone, a camera, an electronic vibrator and a GPS (global positioning system) start / stop button, and an intelligent controller, an ultrasonic probe, a gravity sensor, a buzzer, a piezoelectric ceramic, a rechargeable lithium battery, a contraction adjustor, a loudspeaker and a charging jack, a waterproof rubber plug is arranged on the outer side of the charging jack, the piezoelectric ceramic is arranged at the bottom of the stick and hermetically wrapped by soft rubber, and a snap spring serves as the contraction adjustor. The intelligent controller comprises a digital signal processor, an ultrasonic ranging module, a voice processing module, an image recognition processing module, a GPS positioning module, a GSM (global system for mobile communication) / GPRS (general packet radio service) wireless communication module and a power source management module.

Description

technical field [0001] The invention relates to a novel blind-guiding crutch, in particular to a portable intelligent crutch used for obstacle avoidance and direction positioning for the blind. Background technique [0002] Blind people face many safety problems in daily life, especially when they go out and walk alone because they cannot see. As the most common tool for the blind to travel, crutches play a particularly important role in guiding the blind. The expansion of various functions of the crutches is also very meaningful for the convenience of the blind to travel. Various intelligent blind guide crutches have appeared at present, but there are the following deficiencies in the process of use: due to the limited electric energy of the intelligent blind guide crutch power supply, it cannot generate electricity by itself, and often requires an external power adapter to charge, which is inconvenient to use; Although the function is powerful, the production cost is low ...

AI Technical Summary

Problems solved by technology

Various intelligent blind guide crutches have appeared at present, but there are the following deficiencies in the process of use: due to the limited electric energy of the intelligent blind guide crutch power supply, it cannot generate electricity by itself, and often requires an external power adapter to charge, which is inconvenient to use; Although the function is powerful, the production cost is low and the service life is also low, so that most economically weak blind friends cannot enjoy it; in addition, when the blind accidentally drops the crutch, the existing blind cane cannot easily find the crutch

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