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WO2018027884A1 - 一种利用超声波测障的盲人脚环 - Google Patents

一种利用超声波测障的盲人脚环 Download PDF

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Publication number
WO2018027884A1
WO2018027884A1 PCT/CN2016/094801 CN2016094801W WO2018027884A1 WO 2018027884 A1 WO2018027884 A1 WO 2018027884A1 CN 2016094801 W CN2016094801 W CN 2016094801W WO 2018027884 A1 WO2018027884 A1 WO 2018027884A1
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WO
WIPO (PCT)
Prior art keywords
ultrasonic
obstacle
ultrasonic sensor
blind
foot ring
Prior art date
Application number
PCT/CN2016/094801
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English (en)
French (fr)
Inventor
刘文婷
Original Assignee
刘文婷
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 刘文婷 filed Critical 刘文婷
Priority to PCT/CN2016/094801 priority Critical patent/WO2018027884A1/zh
Publication of WO2018027884A1 publication Critical patent/WO2018027884A1/zh

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H3/00—Appliances for aiding patients or disabled persons to walk about
    • A61H3/06—Walking aids for blind persons

Definitions

  • the invention relates to the field of blind electronic products, in particular to a blind foot ring using ultrasonic obstacle detection.
  • blind people rely on blind sticks to guide, often when they encounter obstacles, they find out that if they go to a dead end, or there are more obstacles in front of the road ahead, it is not easy to walk, and it has been wasted too much time when they are discovered. And the security is not very high.
  • the invention provides a blind foot ring using ultrasonic obstacle detection, which aims to solve the problem that the blind person of the prior art only relies on the blind rod to lead to safety.
  • the present invention provides a blind foot ring using the ultrasonic obstacle detection, comprising: an ultrasonic sensor, an ultrasonic emission and recovery circuit, a main controller, a vibration motor, and a battery; wherein the ultrasonic sensor is configured to transmit an ultrasonic wave Detecting whether there is an obstacle in front; the ultrasonic transmitting and recovering circuit is configured to receive a reflected wave signal fed back by the ultrasonic sensor, and send a request signal after processing; the main controller is configured to receive the application signal and calculate a transmitting point a distance from the obstacle and transmitting a pulse control command; the vibration motor for vibrating at different frequencies according to the pulse control command; The built-in battery is used to supply power to each part.
  • the ultrasonic sensor detection distance is set to 5 meters.
  • the ultrasonic sensor is a transceiver integrated closed type ultrasonic sensor.
  • the ultrasonic transmission and recovery circuit and the main controller each include a decoder and an encoder.
  • the blind foot ring using the ultrasonic obstacle measuring method adopts the above technical solution, and achieves the following technical effects: the present invention uses the ultrasonic sensor and the vibrator while detecting whether the front side is detected by the ultrasonic sensor There are obstacles, by calculating the distance between the blind person and the obstacle, the vibrator vibrates at different frequencies to remind the blind people to pay attention, thus solving the problem of the blindness of the prior art blind person only relying on the blind cane, greatly improving the walking of the blind Security.
  • FIG. 1 is a schematic view showing the structure of a preferred embodiment of a blind foot ring using an ultrasonic barrier.
  • FIG. 1 is a blind foot for measuring obstacles using ultrasonic waves.
  • the foot ring includes an ultrasonic sensor 10, an ultrasonic emission and recovery circuit 20, a main controller 30, a vibration motor 40, and a battery 50.
  • the ultrasonic sensor 10 is an integrated transceiver type ultrasonic sensor for transmitting ultrasonic waves to detect whether there is an obstacle in the road surface ahead, and the ultrasonic wave transmitting and collecting circuit 20 is configured to receive the reflected wave signal fed back by the ultrasonic sensor 10 and processed The application signal is then sent to the main controller 30.
  • the main controller 30 has a built-in single-chip controller, and after receiving the application signal, the single-chip microcomputer obtains the time of sending and returning the ultrasonic wave by decoding and calculates the distance of the transmitting point from the obstacle, if the sound wave emitted is under test If no obstacle is encountered within the range, it means that there is no obstacle within the safe distance, and then the next round of loop detection processing is continued; if the distance value is less than the preset alarm distance, the main controller 30 sends A pulse control command is issued to the vibration motor 40.
  • the preset alarm distance is 5 meters.
  • the ultrasonic transmission and recovery circuit 20 and the main controller 30 each include a decoder and an encoder.
  • the vibration motor 40 receives the pulse control instruction sent by the main controller 30, and the vibration motor 40 vibrates at different frequencies according to the pulse control instruction, and the preset detection distance of the ultrasonic sensor 10 is set to 5 meters, when the ultrasonic sensor 10 detects an obstacle in front, the vibrator 40 vibrates at a low frequency; when the distance between the user and the obstacle is small, the vibrator 40 vibrates at a high frequency, To remind users to pay attention.
  • the foot ring has a built-in battery 50 for supplying power to various parts of the leg ring.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Rehabilitation Tools (AREA)

Abstract

一种利用超声波测障的盲人脚环，所述脚环包括超声波传感器（10）、超声波发射与回收电路（20）、主控制器（30）、振动电机（40）以及电池（50）；所述超声波传感器（10）用于发送超声波探测前方是否有障碍物；所述超声波发射与回收电路（20）用于接收所述反射波并发送申请信号；所述主控制器（30）用于接收所述申请信号并发送脉冲控制指令；所述振动电机（40），用于根据所述脉冲控制指令以不同频率振动；所述脚环内置电池（50），用于给各个部分提供电源。如此一来，盲人可通过使用所述脚环，通过超声波传感器（10）检测前方是否有障碍物，通过计算盲人与障碍物的距离，振动电机（40）以不同频率振动用来提醒盲人注意，大大提高了盲人行走的安全性。

Description

一种利用超声波测障的盲人脚环 技术领域
本发明涉及盲人电子产品领域，特别是涉及一种利用超声波测障的盲人脚环。
背景技术
目前，盲人依靠盲杖导行，往往是碰到障碍物的时候才发觉，如果是走到一条死路内，或者前面路的前面障碍物较多，不易行走，到发现时已经浪费太多时间，而且安全性也不是很高。
发明内容
本发明提供了一种利用超声波测障的盲人脚环，旨在解决现有技术盲人仅仅依靠盲杖导行导致安全性不高的产品问题。
为实现上述目的，本发明提供了所述利用超声波测障的盲人脚环包括：超声波传感器、超声波发射与回收电路、主控制器、振动电机以及电池；其中，所述超声波传感器，用于发送超声波探测前方是否有障碍物；所述超声波发射与回收电路用于接收所述超声波传感器反馈的反射波信号，经过处理后发送申请信号；所述主控制器用于接收所述申请信号并计算出发射点离障碍物的距离并发送脉冲控制指令；所述振动电机，用于根据所述脉冲控制指令以不同频率振动；所述脚 环内置电池，用于给各个部分提供电源。
进一步地，所述超声波传感器探测距离设置为5米。
进一步地，所述超声波传感器为收发一体封闭型超声波传感器。
进一步地，所述超声波发射与回收电路以及所述主控制器均包括译码器和编码器。
相较于现有技术，本发明所述一种利用超声波测障的盲人脚环采用了以上技术方案，达到了如下技术效果：本发明采用超声波传感器和振动器的同时，通过超声波传感器检测前方是否有障碍物，通过计算盲人与障碍物的距离，振动器以不同频率振动用来提醒盲人注意，如此一来，解决了现有技术盲人仅仅依靠盲杖导行的产品问题，大大提高了盲人行走的安全性。
附图说明
图1是本发明提供一种利用超声波测障的盲人脚环的优选实施例的结构示意图。
具体实施方式
为更进一步阐述本发明为达成上述目的所采取的技术手段及功效，以下结合附图及优选实施例，对本发明的具体实施方式、结构、特征及其功效进行详细说明。应当理解，本发明所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
如图1所示，图1是本发明提供一种利用超声波测障的盲人脚 环的优选实施例的结构示意图。
在本实施例中，所述脚环包括超声波传感器10、超声波发射与回收电路20、主控制器30、振动电机40以及电池50。
所述超声波传感器10为收发一体封闭型超声波传感器，用于发送超声波探测前方路面是否有障碍物，所述超声波发射与回收电路20用于接收所述超声波传感器10反馈的反射波信号，并经过处理后发送申请信号至所述主控制器30。
所述主控制器30内置单片机控制器，所述单片机收到所述申请信号后，通过译码得到超声波发送和返回的时间并计算出发射点离障碍物的距离，若发射出的声波在测距范围内未遇到障碍物，则表明在安全距离内没有障碍物，再继续下一轮的循环探测处理；若所述距离值小于预先设定的报警距离时，所述主控制器30发送脉冲控制指令至所述振动电机40。
具体地，所述预先设定的报警距离为5米。
具体地，所述超声波发射与回收电路20以及所述主控制器30均包括译码器和编码器。
具体地，所述振动电机40接收到所述主控制器30发送所述脉冲控制指令，所述振动电机40根据所述脉冲控制指令以不同频率振动，所述超声波传感器10预设探测距离设置为5米，当所述超声波传感器10探测前方有障碍物时，所述振动器40以低频率振动；当使用者与所述障碍物的距离越小时，所述振动器40以高频率振动，用来提醒使用者注意。
所述脚环内置电池50，用于给所述脚环的各个部分提供电源。
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效功能变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (4)

  1. 一种利用超声波测障的盲人脚环，其特征在于，所述脚环包括超声波传感器、超声波发射与回收电路、主控制器、振动电机以及电池；其中，
    所述超声波传感器，用于超声波探测前方是否有障碍物；
    所述超声波发射与回收电路用于接收所述超声波传感器反馈的反射波信号，经过处理后发送申请信号；
    所述主控制器用于接收所述申请信号并计算出发射点离障碍物的距离并发送脉冲控制指令；
    所述振动电机，用于根据所述脉冲控制指令以不同频率振动；
    所述脚环内置电池，用于给各个部分提供电源。
  2. 根据权利要求1所述的一种利用超声波测障的盲人脚环，其特征在于，所述超声波传感器探测距离设置为5米。
  3. 根据权利要求1所述的一种利用超声波测障的盲人脚环，其特征在于，所述超声波传感器为收发一体封闭型超声波传感器。
  4. 根据权利要求1所述的一种利用超声波测障的盲人脚环，其特征在于，所述超声波发射与回收电路以及所述主控制器均包括译码器和编码器。
PCT/CN2016/094801 2016-08-12 2016-08-12 一种利用超声波测障的盲人脚环 WO2018027884A1 (zh)

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* Cited by examiner, † Cited by third party
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CN1748662A (zh) * 2005-10-10 2006-03-22 暨南大学 智能盲人导行仪及其导行方法
CN1803043A (zh) * 2005-01-11 2006-07-19 傅伟琪 盲人语音防撞手杖
CN101773442A (zh) * 2010-01-15 2010-07-14 北京航空航天大学 可穿戴式的超声导盲装置
CN102385056A (zh) * 2011-08-11 2012-03-21 西北工业大学 一种基于多超声波传感器的导盲避碰装置及其控制算法
CN102743271A (zh) * 2012-06-26 2012-10-24 上海市建青实验学校 基于超声波技术的盲人电子终端及其导航方法
CN103393526A (zh) * 2013-07-29 2013-11-20 南京信息工程大学 一种引导盲人避障的导盲拐及其避障方法
CN103876908A (zh) * 2014-04-03 2014-06-25 南京信息工程大学 一种精确反馈障碍物距离和方向的盲人避障导航方法
CN104173175A (zh) * 2014-09-11 2014-12-03 青岛黄海学院 可穿戴智能导盲器
CN104287947A (zh) * 2014-10-30 2015-01-21 北京联合大学 盲人穿戴式智能导引器
CN104434474A (zh) * 2014-11-14 2015-03-25 合肥正美电源科技有限公司 一种超声波测距手环
KR20160013586A (ko) * 2014-07-28 2016-02-05 남동호 장애물 감지 안경

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1803043A (zh) * 2005-01-11 2006-07-19 傅伟琪 盲人语音防撞手杖
CN1748662A (zh) * 2005-10-10 2006-03-22 暨南大学 智能盲人导行仪及其导行方法
CN101773442A (zh) * 2010-01-15 2010-07-14 北京航空航天大学 可穿戴式的超声导盲装置
CN102385056A (zh) * 2011-08-11 2012-03-21 西北工业大学 一种基于多超声波传感器的导盲避碰装置及其控制算法
CN102743271A (zh) * 2012-06-26 2012-10-24 上海市建青实验学校 基于超声波技术的盲人电子终端及其导航方法
CN103393526A (zh) * 2013-07-29 2013-11-20 南京信息工程大学 一种引导盲人避障的导盲拐及其避障方法
CN103876908A (zh) * 2014-04-03 2014-06-25 南京信息工程大学 一种精确反馈障碍物距离和方向的盲人避障导航方法
KR20160013586A (ko) * 2014-07-28 2016-02-05 남동호 장애물 감지 안경
CN104173175A (zh) * 2014-09-11 2014-12-03 青岛黄海学院 可穿戴智能导盲器
CN104287947A (zh) * 2014-10-30 2015-01-21 北京联合大学 盲人穿戴式智能导引器
CN104434474A (zh) * 2014-11-14 2015-03-25 合肥正美电源科技有限公司 一种超声波测距手环

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