Guide walking stick

Abstract

The invention discloses a walking stick for blindness, which comprises a stick and a handle. The stick is a hollow structure; the inside of the stick is equipped with a microprocessor, a GPS navigator, and a power module; The alarm is sounded, the middle section of the rod is provided with several ultrasonic sensors, and the ultrasonic sensors are arranged at equal intervals from top to bottom, and the lower section of the rod is provided with a laser rangefinder; the GPS navigator, ultrasonic sensor, and laser rangefinder are respectively It is connected with the input end of the microprocessor, and the voice announcer and the buzzer are respectively connected with the output end of the microprocessor; a bluetooth module is also arranged in the rod. The blind guide cane provided by the present invention detects the obstacles in front through the ultrasonic sensor, and predicts the height of the obstacles. According to the laser rangefinder, it can be inferred whether there are pits or protrusions on the road surface. It will also send out voice reminders; it can intelligently and effectively help blind friends avoid obstacles on the road and travel safely.

Description

technical field [0001] The invention relates to a walking stick, in particular to a walking stick for guiding the blind. Background technique [0002] Due to impaired vision, blind people will have a lot of inconvenience in daily travel, and with the rapid development of society, there are more and more vehicles on urban roads, and there are more and more facilities on the road, which brings greater difficulties to blind friends when traveling. At present, there are guide dogs specially serving the blind. However, the training cost of guide dogs is very high, and the price of guide dogs is unaffordable for ordinary people; the common guide canes on the market now rely on manual feeling, and can only avoid the cane. Obstacles within reach, the detection range of the cane is limited. Therefore, if a blind-guiding cane that can automatically detect surrounding obstacles and issue an alarm in time can be developed, it will bring great news to the blind friends. Contents of th...

AI Technical Summary

Problems solved by technology

[0002] Due to impaired vision, blind people will have a lot of inconvenience in daily travel, and with the rapid development of society, there are more and more vehicles on urban roads, and there are more and more facilities on the road, which brings greater difficulties to blind friends.

At present, there are guide dogs specially serving the blind. However, the training cost of guide dogs is very high, and the price of guide dogs is unaffordable for ordinary people; the common guide canes on the market now rely on manual feeling, and can only avoid the cane. Obstacles within reach, cane detection range limited

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