TW202144743A - Guide crutch with route planning function - Google Patents

Abstract

A guide crutch with route planning function includes a stick body, a route guide unit and a central processing unit disposed on the stick body. The route guide unit includes a sound receive module, a position guide module, a sound conversion module, a route planning module, and a voice guide module. The sound receive module receives a sound emitted by a visually impaired user. The position guide module acquires a current location of the body through the GPS. The sound conversion module converts the sound into a route planning command. The route planning module identifies the route planning command to generate a target location, so as to generate a walking route data according the current and target locations. The voice guide module converts the walking route data into a voice guide signal to be played by voice, improving the walking autonomy of the visually impaired user.

Description

Guide crutches with path planning

The invention relates to a blind guide technology, especially a blind guide crutch with path planning.

Generally, visually impaired people generally use guide sticks as a walking aid. Guide sticks can provide visually impaired people to detect obstacles, road potholes and steps in the surrounding environment while traveling, so as to reduce the collision and fall of visually impaired people. Moreover, the visually impaired can obtain the guide bricks on the ground through the guide stick, so that the visually impaired can reach the destination smoothly according to the guidance of the guide bricks.

However, at present, the guidance equipment for the visually impaired in many public areas is not perfect, and the visually impaired often need to be accompanied by others when they go out to reach the destination safely and smoothly. As a result, the visually impaired must often rely on others for assistance in their daily life. Accompanied, unable to move freely outside, resulting in visually impaired people unable to independently meet their living needs.

In order to solve the above problem, the present invention provides a blind guide crutch with path planning, which can provide path planning for the visually impaired, and guide the visually impaired by voice, so that the visually impaired can reach the destination smoothly without the assistance of others. , to improve the convenience for the visually impaired to walk independently.

In order to achieve the above object, the present invention provides a blind guide crutch with path planning, which includes a cane body, a path guide unit and a central processing unit. The path guide unit is set on the stick body. The path guide unit has a sound source receiving module, a positioning navigation module, a sound source conversion module, a path planning module and a voice guide module. The sound source receiving module is used for After receiving a sound from a visually impaired person, the positioning and navigation module uses the global positioning satellite system to obtain the current position of one of the stick bodies, the sound source conversion module receives the sound, parses and converts it into a path planning command, and the path planning module interprets the path planning command. In order to generate a target position, and the path planning module can retrieve the current position from the positioning and navigation module, and calculate the best path between the current position and the target position, so as to plan a walking path data, and the voice guidance module will walk the path. The data is converted into a voice guidance signal for voice playback; the central processing unit is arranged on the wand body and is coupled to the path guidance unit, and the central processing unit is used to control the operation of the path guidance unit.

In this way, the present invention can accurately analyze the location of the target that the visually impaired person wants to go to, plan the relevant path in real time, and finally guide the visually impaired person in the direction of travel through voice playback, so that the visually impaired person is unaccompanied. Able to arrive at the destination smoothly and improve the autonomy of the life of the visually impaired.

Please refer to FIG. 1 to FIG. 4 , the present invention provides a blind guide crutch with path planning, which includes a cane body 10 and a path guide unit 20 .

The rod body 10 has a long rod-shaped rod body 11. The rod body 11 is provided with a top end portion 111 and a bottom end portion 112. The rod body 10 further has a handle 12, and the handle 12 is arranged on the top end portion of the rod body 11. 111. Provide the visually impaired to use.

The path guide unit 20 is arranged on the stick body 10. The path guide unit 20 has a sound source receiving module 21, a positioning and navigation module 22, a sound source conversion module 23, a path planning module 24 and a voice guide The blind module 25, the sound source receiving module 21 is used to receive a sound from the visually impaired, such as a guide for the blind address, and the positioning and navigation module 22 can automatically locate a current position of the stick body 10 by using the global positioning satellite system, and the sound source The conversion module 23 converts the sound analysis into a path planning instruction, and the path planning module 24 obtains a target position according to the path planning instruction, such as a nearby hospital adjacent to the current position of the rod body 10. At this time, the path planning module 24 can self-positioning and navigation The module 22 captures the current position of the stick body 10, and calculates the optimal path between the current position and the target position in real time to plan out a walking path data. The voice guidance module 25 converts the walking path data into a voice guidance signal. Voice playback.

The central processing unit 30 is disposed on the rod body 10 and is coupled to the path guiding unit 20 , and the central processing unit 30 is used for controlling the operation of the path guiding unit 20 .

Therefore, the present invention can accurately analyze the location of the target that the visually impaired person wants to go to, and plan the relevant path in real time, and finally guide the visually impaired person in the direction of travel through voice playback, so that the visually impaired person can Arriving at the destination smoothly and improving the autonomy of life for the visually impaired.

Please cooperate with FIG. 2 and FIG. 4 , in a preferred embodiment, the present invention further includes a voice communication unit 40 .

The voice communication unit 40 is arranged on the visually impaired and is coupled to the path guide unit 20. The voice communication unit 40 has a microphone module 41 and an audio playback module 42, and the microphone module 41 can record the sound sent by the visually impaired. sound, and transmit the sound to the sound source conversion module 23 of the path guidance unit 20, and the path guidance unit 20 can return the voice guidance signal to the voice communication unit 40, and then play it through the audio playback module 42, In a preferred embodiment, the path guidance unit 20 has a first sound source communication module 26, the voice communication unit 40 has a second sound source communication module 43, the first sound source communication module 26 and the second sound source communication module 43. The group 43 is wirelessly connected by bluetooth, the microphone module 41 can wirelessly transmit the recorded sound to the first sound source communication module 26 through the second sound source communication module 43, and the voice guidance module 25 can transmit the voice guidance signal The first sound source communication module 26 is wirelessly transmitted to the second sound source communication module 43; it is worth mentioning that when the voice communication unit 40 is coupled with the path guidance unit 20, the central processing unit 30 can determine whether the voice communication unit 40 is connected with the path guide unit 20. The connection state of the path guide unit 20, and the audio source receiving module 21 and the voice guide module 25 are turned off, so as to prevent the path guide unit 20 and the voice communication unit 40 from interfering with each other, so that the microphone module 41 of the voice communication unit 40 can be concentrated Records the voices of the visually impaired.

Further, as shown in FIG. 4 , the voice communication unit 40 of the present invention is a wireless earphone, which is worn on the ears of the visually impaired, so that the microphone module 41 of the voice communication unit 40 can reduce the interference of the surrounding environment , so as to accurately record the voice of the visually impaired and accurately analyze the target position, so as to achieve the effect of improving the accuracy of the planned walking path data, and the audio playback module 42 of the voice communication unit 40 directly plays the voice to the ears of the visually impaired. Guiding signal to prevent visually impaired people from being affected by external noise, so that visually impaired people can clearly hear the voice guidance signal, so as to achieve the purpose of improving the efficiency of guiding the blind.

Please cooperate with FIG. 1 to FIG. 3 , in a preferred embodiment, the blind guide crutch with path planning of the present invention further includes a sensing unit 50 and a blind guide warning unit 60 to provide the effect of safety for the visually impaired. , wherein the sensing unit 50 and the blind guidance warning unit 60 are respectively arranged on the stick body 10 , wherein the sensing unit 50 is arranged on the bottom end 112 of the stick body 11 , and the blind guidance warning unit 60 is arranged on the grip of the stick body 10 . put 12.

The sensing unit 50 is electrically connected to the central processing unit 30. In this embodiment, the sensing unit 50 is an ultrasonic sensor. The sensing unit 50 has a detection module 51 and a distance judgment module 52. The detection module 51 is used to detect the environment in front of the rod body 10 . When the detection module 51 detects an obstacle 100 , the detection module 51 can interpret the orientation of the obstacle 100 to generate a sensing signal, and the distance is determined. The module 52 calculates the distance between the obstacle 100 and the rod body 10 according to the signal strength of the sensing signal, and generates a distance signal.

The blind guidance warning unit 60 is electrically connected to the central processing unit 30. The blind guidance warning unit 60 has a reminder module 61 and a signal control module 62. The reminder module 61 includes a warning horn 611 and a vibration motor 612. The signal controls The module 62 controls the warning horn 611 to start a warning sound according to the sensing signal, and controls the vibration motor 612 to start a warning vibration. The group 63 analyzes the distance signal to generate a warning frequency information, and the signal control module 62 controls the warning module 61 to start the frequency change according to the warning frequency information; When the stick body 10 approaches the obstacle 100 , the signal control module 62 can control the reminder module 61 to emit a rapid warning sound and a warning vibration, as a prompt to warn the visually impaired to stop moving forward, so as to prevent the visually impaired from colliding with the obstacle 100 . , to achieve the effect of improving the walking safety of the visually impaired.

It should be noted that, please refer to FIG. 2 and FIG. 3 , the path guidance unit 20 further has a path learning module 27, and the path learning module 27 is used for learning the walking path data generated by the path planning module 24 to The frequency of using the walking path data for the visually impaired is counted, and the path learning module 27 can also record the walking path data according to the sensing signal to generate an obstacle position, and the path planning module 24 can calculate and correct the walking path data according to the obstacle position. , so as to effectively avoid the obstacle 100 and improve the walking safety of the visually impaired.

To sum up, the present invention has the following effects:

1. The present invention can accurately analyze the target location that the visually impaired person wants to go to, and plan the relevant path in real time, and finally provide guidance for the visually impaired person to travel through voice playback, so that the visually impaired person can be unaccompanied. Arriving at the destination smoothly and improving the autonomy of life for the visually impaired.

2. The voice communication unit 40 can provide a visually impaired person with clear information on guiding the blind, thereby achieving the purpose of improving the efficiency of guiding the blind.

3. The configuration of the sensing unit 50 and the blind guidance warning unit 60 of the present invention can prevent the visually impaired from colliding with the obstacle 100 and achieve the purpose of walking safety for the visually impaired.

4. The path learning module 27 can record the walking path data to generate obstacle positions according to the sensing signals, so that the path planning module 24 can calculate and correct the walking path data according to the obstacle positions, thereby effectively avoiding the obstacles 100 and increasing the number of visually impaired people. walk safely.

The above-mentioned embodiments are only used to illustrate the present invention, but not to limit the scope of the present invention. All the modifications or changes that do not violate the spirit of the present invention belong to the intended protection category of the present invention.

100: Obstacles 10: Rod body 11: Rod body 111: Top part 112: Bottom end 12: Grip 20: Path guide blind unit 21: Audio receiving module 22: Positioning and Navigation Module 23: Audio source conversion module 24: Path Planning Module 25: Voice guide module 26: The first audio source communication module 27: Path Learning Module 30: Central Processing Unit 40: Voice communication unit 41: Microphone module 42: Audio playback module 43: Second audio source communication module 50: Sensing unit 51: Detection module 52: Distance judgment module 60: Blind guide warning unit 61: Reminder module 611: Warning horn 612: Vibration Motor 62: Signal control module 63: Warning judgment module

FIG. 1 is a system architecture diagram of an embodiment of the present invention. FIG. 2 is a functional schematic diagram of a voice communication unit and a path guidance unit according to an embodiment of the present invention. FIG. 3 is a functional schematic diagram of a sensing unit and a blind guidance warning unit according to an embodiment of the present invention. FIG. 4 is an implementation state diagram of an embodiment of the present invention.

10: Rod body

11: Rod body

111: Top part

112: Bottom end

12: Grip

20: Path guide blind unit

30: Central Processing Unit

40: Voice communication unit

50: Sensing unit

611: Warning horn

Claims (10)

A guide crutch with path planning, comprising: a stick a path guide unit, which is arranged on the stick body, and the path guide unit has a sound source receiving module, a positioning and navigation module, a sound source conversion module, a path planning module and a voice guide module, The sound source receiving module is used for receiving a sound from a visually impaired person, the positioning and navigation module uses the global positioning satellite system to obtain a current position of the stick body, and the sound source conversion module parses and converts the sound into the path planning instruction , the path planning module interprets the path planning instruction to generate a target position, and the path planning module can retrieve the current position from the positioning and navigation module, and calculate the optimal path between the current position and the target position, to plan out a walking path data, the voice guidance module converts the walking path data into a voice guidance signal for voice playback; and A central processing unit is arranged on the rod body and coupled to the path guiding unit, and the central processing unit is used for controlling the operation of the path guiding unit. The blind guide crutch with path planning according to claim 1, further comprising a voice communication unit, which is configured for the visually impaired and coupled to the path guide unit, and the voice communication unit is coupled to the path guide unit When the control unit is able to determine the connection state between the voice communication unit and the path guide unit, and close the audio source receiving module and the voice guide module, the voice communication unit has a microphone module and an audio playback module group, the microphone module can record the sound and transmit it to the sound source conversion module of the path guide unit, and the path guide unit can return the voice guide signal to the voice communication unit, and play through the audio Mod play. The blind guide crutch with path planning according to claim 2, wherein the voice communication unit is a wireless headset, the path guide blind unit has a first audio source communication module, and the voice communication unit has a second audio source communication module A module, the first audio source communication module and the second audio source communication module are wirelessly connected by bluetooth. The blind guide crutch with path planning as claimed in claim 1 or 2, further comprising a sensing unit disposed on the stick body and electrically connected to the central processing unit, the sensing unit having a detection module, the The detection module is used for detecting the environment in front of the stick body. When the detection module detects an obstacle, it can judge the position of the obstacle to generate a sensing signal. The blind guide crutch with path planning according to claim 4, wherein the path guide unit further has a path learning module, and the path learning module is used for learning the walking path data and can be based on the sensing signal An obstacle location is generated from the walking path data record. The blind guide crutch with path planning according to claim 4, further comprising a blind guide warning unit, which is arranged on the cane body and is electrically connected to the central processing unit, and the blind guide warning unit has a reminder module and a signal The control module includes a warning horn and a vibration motor. The signal control module controls the warning horn to start a warning sound according to the sensing signal, and controls the vibration motor to start a warning vibration. The blind guide crutch with path planning according to claim 6, wherein the sensing unit further has a distance judgment module coupled to the detection module, and the distance judgment module is based on the signal strength of the sensing signal To calculate the distance between the obstacle and the rod body, and generate a distance signal. The guide crutch with path planning according to claim 7, wherein the sensing unit is an ultrasonic sensor. The blind guide crutch with path planning according to claim 7, wherein the blind guide warning unit has a warning judgment module, the warning judgment module analyzes the distance signal to generate a warning frequency information, and the signal control module The activation frequency of the reminder module is controlled to vary according to the alarm frequency information. The blind guide crutches with path planning according to claim 6, wherein the cane body has a cane body, the cane body is provided with a top end and a bottom end, and the cane body further has a cane body disposed on the cane body. A handle at the top end, the blind guidance warning unit is arranged on the handle, and the sensing unit is arranged at the bottom end of the rod body.

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