Traffic junction blind-help system

Abstract

The invention discloses a traffic junction blind-help system, which is characterized in that the traffic junction blind-help system is based on RFID (Radio Frequency Identification Devices) radio frequency identification technology and ultrasonic detection technology, and comprises electronic tags, an intelligent cane, an intelligent mobile phone, a traffic light annunciator and a traffic light signal acquisition and transmission module; the intelligent cane mainly comprises a radio frequency reading and writing module, an upper ultrasonic module, a lower ultrasonic module, a master control module, a power supply module, a wireless receiving module, a Bluetooth module, a handle module and a light-emitting diode lamp bank; the electronic tags comprise the electronic tags paved below blind guiding bricks on streets and the electronic tags paved below zebra crossings of traffic junctions; the traffic light signal acquisition and transmission module consists of a singlechip traffic light signal acquisition module and a wireless emitting module embedded in the traffic light annunciator; the collection module acquires a traffic light signal and then emits the traffic light signal to theoutside through a digital module; and when the intelligent cane of a user receives current information, the information is transmitted to the intelligent mobile phone for processing through the Bluetooth module, and simultaneously, the user is informed of the result.

Description

technical field [0001] The invention relates to the field of barrier-free public facilities, in particular to a traffic intersection blind aid system based on RFID radio frequency identification technology and ultrasonic detection technology. Background technique [0002] According to the World Health Organization, there are more than 40 million blind people in the world. Surveys in the 1980s showed that there were already 5.5 million blind people in my country, with an annual increase of 450,000. [0003] Traveling safely is the most important issue in the lives of blind and visually impaired people, especially when passing through busy traffic intersections in cities, it is even more difficult. In today's society, blind people mainly rely on primitive guide sticks to cross the road, which is dangerous at busy traffic intersections. In terms of information display, existing blind guide devices generally use audio-visual or tactile substitution methods to process pictures ...

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Problems solved by technology

The structure of these patents is relatively simple, the function is not perfect, and the practical application has certain limitations.

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