阅读说明：本技术 一种盲人智能拐杖 (Intelligent walking stick for blind person ) 是由 郑梁 龚超 倪扬扬 于 2020-06-22 设计创作，主要内容包括：本发明公开了一种盲人智能拐杖,拐杖把手和拐杖本体均为圆柱形,拐杖把手和拐杖本体相连后呈L形；SOS按键、LED警示灯和语音播报模块设置在拐杖把手顶面；摄像头模块设置在拐杖把手的前端；超声波避障模块设置在拐杖本体的底部,超声波避障模块内置超声波传感器,超声波传感器将探测的超声波反射信号传送至主控制器；GPS模块设置在拐杖本体内,对拐杖本体进行定位；姿态检测模块设置在拐杖本体内的中下位置,姿态检测模块包括三轴MEMS陀螺仪和三轴MEMS加速计；LED控制按键设置在拐杖把手的下方。本发明具有紧急求助功能、摔倒检测功能、通信定位功能和导航并播报导航信息功能等,能够为盲人出行时的人身安全提供保障,操作简单智能化,实用性强。(The invention discloses an intelligent walking stick for blind people, wherein a walking stick handle and a walking stick body are both cylindrical, and are L-shaped after being connected; the SOS key, the LED warning lamp and the voice broadcasting module are arranged on the top surface of the crutch handle; the camera module is arranged at the front end of the crutch handle; the ultrasonic obstacle avoidance module is arranged at the bottom of the crutch body, an ultrasonic sensor is arranged in the ultrasonic obstacle avoidance module, and the ultrasonic sensor transmits detected ultrasonic reflection signals to the main controller; the GPS module is arranged in the crutch body and used for positioning the crutch body; the gesture detection module is arranged at the middle lower position in the crutch body and comprises a three-axis MEMS gyroscope and a three-axis MEMS accelerometer; the LED control key is arranged below the crutch handle. The intelligent blind person navigation system has the functions of emergency help seeking, tumble detection, communication positioning, navigation information broadcasting and the like, can provide guarantee for the personal safety of the blind person when the blind person goes out, and is simple and intelligent to operate and high in practicability.)

1. An intelligent crutch for the blind, which is characterized by comprising a crutch handle, a crutch body, an SOS button, an LED warning light, a voice broadcasting module, a camera module, an ultrasonic obstacle avoidance module, a Bluetooth module, a GPS module, a power module, a wireless communication module, a posture detection module, a main controller and an LED control button, wherein,

the crutch handle and the crutch body are both cylindrical, and are L-shaped after being connected;

the main controller is arranged in the crutch body and is respectively connected with the SOS key, the LED warning lamp, the voice broadcast module, the camera module, the ultrasonic obstacle avoidance module, the Bluetooth module, the GPS module, the power supply module, the wireless communication module, the attitude detection module and the LED control key;

the SOS key, the LED warning lamp and the voice broadcasting module are arranged on the top surface of the crutch handle; the camera module is arranged at the front end of the crutch handle; the ultrasonic obstacle avoidance module is arranged at the bottom of the crutch body, an ultrasonic sensor is arranged in the ultrasonic obstacle avoidance module, and the ultrasonic sensor transmits detected ultrasonic reflection signals to the main controller;

The Bluetooth module is arranged in the crutch body; the GPS module is arranged in the crutch body and used for positioning the crutch body; the power supply module is arranged in the crutch body and comprises a voltage conversion module; the wireless communication module is arranged in the crutch body; the gesture detection module is arranged at the middle lower position in the crutch body and comprises a three-axis MEMS gyroscope and a three-axis MEMS accelerometer; the LED control key is arranged below the crutch handle.

2. The blind person walking stick of claim 1, wherein the main controller comprises an STM32F103 chip.

3. The blind person intelligent crutch of claim 1 wherein the voice broadcast module comprises an ISD1760 chip.

4. The blind person walking stick of claim 1, wherein the ultrasonic obstacle avoidance module comprises an HY-SRF05 ultrasonic ranging module.

5. The blind person walking stick of claim 1, wherein said wireless communication module comprises NB-IoTBC95 module.

6. The crutch of the blind person of claim 1 wherein the posture detection module comprises an MPU6050 chip.

7. The intelligent blind crutch of claim 1 wherein the voice broadcast module communicates with the master controller via the SPI protocol.

8. The intelligent blind crutch of claim 1 wherein the camera module comprises an OV7670 module.

9. The intelligent blind crutch of claim 1 wherein the GPS module comprises an ATK1218-BD beidou dual mode positioning module.

10. The crutch of claim 1 wherein the Bluetooth module comprises a CSR8670 chip.

Technical Field

The invention belongs to the field of handicap assisting instruments and relates to an intelligent walking stick for blind people.

Background

Because of the large population in China and the number of the blind people close to 2000 ten thousand, the safety problem of the blind people going out is the greatest threat to the blind people because of the blindness of eyes, and the problem can also cause the blind people to be unwilling to go out, reduce the communication with the outside, even cause psychological problems and feel inferior over time.

Disclosure of Invention

In order to solve the problems, the blind person intelligent anti-falling system has an emergency help seeking function, a falling detection function, a communication positioning function, a navigation and navigation information broadcasting function and an image data uploading function of a camera module, can autonomously seek help when the blind person needs the system, monitors the action of the blind person by a WEB terminal, provides help in time and prompts the situation of obstacles around the blind person in time.

The technical scheme of the invention is as follows: an intelligent crutch for the blind, which comprises a crutch handle, a crutch body, an SOS button, an LED warning light, a voice broadcast module, a camera module, an ultrasonic obstacle avoidance module, a Bluetooth module, a GPS module, a power supply module, a wireless communication module, a posture detection module, a main controller and an LED control button, wherein,

the crutch handle and the crutch body are both cylindrical, and are L-shaped after being connected;

the main controller is arranged in the crutch body and is respectively connected with the SOS key, the LED warning lamp, the voice broadcast module, the camera module, the ultrasonic obstacle avoidance module, the Bluetooth module, the GPS module, the power supply module, the wireless communication module, the attitude detection module and the LED control key;

the SOS key, the LED warning lamp and the voice broadcasting module are arranged on the top surface of the crutch handle; the camera module is arranged at the front end of the crutch handle; the ultrasonic obstacle avoidance module is arranged at the bottom of the crutch body, an ultrasonic sensor is arranged in the ultrasonic obstacle avoidance module, and the ultrasonic sensor transmits detected ultrasonic reflection signals to the main controller;

the Bluetooth module is arranged in the crutch body; the GPS module is arranged in the crutch body and used for positioning the crutch body; the power supply module is arranged in the crutch body and comprises a voltage conversion module; the wireless communication module is arranged in the crutch body; the gesture detection module is arranged at the middle lower position in the crutch body and comprises a three-axis MEMS gyroscope and a three-axis MEMS accelerometer; the LED control key is arranged below the crutch handle.

Preferably, the main controller comprises an STM32F103 chip.

Preferably, the voice broadcast module comprises an ISD1760 chip.

Preferably, the ultrasonic obstacle avoidance module comprises an HY-SRF05 ultrasonic distance measurement module.

Preferably, the wireless communication module comprises an NB-IoTBC95 module.

Preferably, the gesture detection module includes an MPU6050 chip.

Preferably, the voice broadcast module communicates with the main controller through an SPI protocol.

Preferably, the camera module comprises an OV7670 module.

Preferably, the GPS module comprises an ATK1218-BD big Dipper dual-mode positioning module.

Preferably, the bluetooth module includes a CSR8670 chip.

Compared with the prior art, the invention has the beneficial effects that at least:

1. the barrier can be effectively detected in the walking process of the blind, and information is fed back to the blind;

2. when the blind person independently seeks help or falls down, the camera can shoot an image of the surrounding environment and send the image to a guardian in time, so that the blind person can be rescued in time;

3. the LED warning lamp can prompt passersby or drivers when the blind people cross the road or walk at night, so as to prevent traffic accidents caused by carelessness;

4. The blind person falling detection device can detect whether the blind person falls down or not and feed back information to a guardian in time to seek help;

5. the navigation information can be played in voice, and the positioning information of the blind can be recorded in real time at the Internet of things end.

Drawings

FIG. 1 is a schematic structural diagram of a blind person intelligent crutch according to an embodiment of the present invention;

fig. 2 is a block diagram of a control structure of the blind person intelligent crutch according to the embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.

Referring to fig. 1 and 2, the intelligent crutch for the blind comprises a crutch handle 1, a crutch body 2, an SOS key 3, an LED warning light 4, a voice broadcast module 5, a camera module 6, an ultrasonic obstacle avoidance module 7, a bluetooth module 8, a GPS module 9, a power supply module 10, a wireless communication module 11, a posture detection module 12, a main controller 13 and an LED control key 14, wherein,

The crutch handle 1 and the crutch body 2 are both cylindrical, and the crutch handle 1 and the crutch body 2 are L-shaped after being connected;

the main controller 13 is arranged in the crutch body 2 and is respectively connected with the SOS key 3, the LED warning lamp 4, the voice broadcast module 5, the camera module 6, the ultrasonic obstacle avoidance module 7, the Bluetooth module 8, the GPS module 9, the power supply module 10, the wireless communication module 11, the attitude detection module 12 and the LED control key 14;

the SOS key 3, the LED warning lamp 4 and the voice broadcast module 5 are arranged on the top surface of the crutch handle 1, and when the SOS key 3 is pressed down, help seeking voice can be played by the voice broadcast module 5 and a message is sent to a guardian; the voice broadcasting module 5 can also play navigation information when the GPS module 9 navigates; the camera module 6 is arranged at the front end of the crutch handle 1, shoots the surrounding environment, and sends the shot surrounding environment image to a guardian when the SOS key 3 is pressed down or the posture detection module 12 detects that the blind person falls down; the ultrasonic obstacle avoidance module 7 is arranged at the bottom of the crutch body 2, an ultrasonic sensor is arranged in the ultrasonic obstacle avoidance module 7, and the ultrasonic sensor transmits a detected ultrasonic reflection signal to the main controller 13;

the Bluetooth module 8 is arranged in the crutch body 2, so that the blind can conveniently listen to navigation information and acquire navigation voice information by using a Bluetooth earphone when the surrounding environment is noisy; the GPS module 9 is arranged in the crutch body 2 and is used for positioning the crutch body 2; the power supply module 10 is arranged in the crutch body 2 and comprises a voltage conversion module; the wireless communication module 11 is arranged in the crutch body 2 and is communicated with the WEB end; the gesture detection module 12 is arranged at the middle lower position in the crutch body 2, and the gesture detection module 12 comprises a three-axis MEMS gyroscope and a three-axis MEMS accelerometer; the LED control key 14 is arranged below the crutch handle 1.