Navigation equipment improved based on reversing radar for blind person
A blind navigation and reversing radar technology, which is used in navigation through speed/acceleration measurement, appliances to help people walk, physical therapy, etc. It can solve the problems of blind people getting feedback, not necessarily reliable, and expensive, and achieve accurate data acquisition. , cost saving, low cost effect
Inactive Publication Date: 2015-11-25
HOHAI UNIV
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Problems solved by technology
However, there are the following problems: 1. The number of guide dogs is small and not necessarily reliable. Guide dogs are greatly disturbed by the outside world, and guide dogs cannot enter in some occasions; 2. Guide helmets are heavy and expensive, and they are harmful to the surrounding environment. The detection is not very accurate, and there is no way to give blind people feedback in real time and efficiently
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[0027] The present invention will be further described below in conjunction with specific examples.
[0028] like Figure 1 to Figure 3 As shown, an improved navigation device for the blind based on reversing radar, including three-way probes located on both knees ( figure 1 ), the processor located at the waist ( figure 2 ), wireless headphones for the ear ( image 3 ); the three-way probe is a miniature sensor probe, which is used to detect the distance between the left, right and front of the blind person and the distance between the knee and the ground, detect the speed of the left, right and front moving objects relative to the blind person, and transmit the detected data to the processor; The processor is used to receive and analyze the data detected by the probe on the knee, and convert the analysis result into an acoustic signal and send it to the wireless earphone. At the same time, the processor is also provided with a built-in map for navigation; the wireless ear...
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The invention discloses navigation equipment improved based on a reversing radar for a blind person. The navigation equipment comprises a three-way radar probe fixed at the knee and used for detecting distances of surroundings and surrounding objects relative to speed of the blind person, a processor located at the waist and used for processing distance, speed data and making analyses in order to obtain a result and converting the result into a sound signal and an earphone located at the ears and used for receiving information of the processor. The navigation equipment improved based on the reversing radar for the blind person is aimed at clearly and accurately informing the blind person of the external environment where the blind person is located so that the navigation equipment brings convenience for the blind person to go out.
Description
technical field [0001] The invention relates to an improved blind navigation device based on a reversing radar. Background technique [0002] With the acceleration of urbanization, the rapid increase of urban population leads to traffic congestion, and the development of the urban road environment is constantly changing, which brings inconvenience to the travel of the blind. It is difficult to deal with the current situation with only a guide stick. Travel conditions are prone to accidents during travel. [0003] In response to this problem, some people have developed guide helmets by training guide dogs. However, there are the following problems: 1. The number of guide dogs is small and not necessarily reliable. Guide dogs are greatly disturbed by the outside world, and guide dogs cannot enter in some occasions; 2. Guide helmets are heavy and expensive, and they are harmful to the surrounding environment. The detection is not very accurate, and there is no way to give bli...
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Login to View More IPC IPC(8): A61H3/06G01C21/12
Inventor 王加虎孙钰峰李丽张顾顾雯申瑞凤满霞玉徐秀丽袁莹习雪飞
Owner HOHAI UNIV