CN104367447A - A walking assistance system and method - Google Patents

Abstract

The invention discloses a walking assisting system and a method, wherein the walking assisting system comprises: the system comprises a road surface detection module for acquiring road surface information, an ultrasonic detection module for transmitting ultrasonic waves to the road surface to detect road surface obstacles and distances thereof, a GPS module for a user to navigate and position a target address, a man-machine interaction module for the user to input a target instruction, a communication module for realizing communication connection with a terminal, a control module, a multifunctional module and a power supply module. By arranging the road surface detection module, on one hand, a user can master real-time road conditions, and on the other hand, the position of ultrasonic detection can be adjusted according to the real-time road conditions, so that the detection accuracy is improved; by arranging the GPS module, the navigation on the target address of the user can be realized, and the travel track of the user can be positioned, so that the position of the user can be known in real time, and the safety of the user is ensured; through setting up multi-functional module, can enjoy the amusement project when using.

Description

A walking assistance system and method

technical field

The invention relates to a system and method for assisting blind people, disabled people and old people to walk.

Background technique

With the development and progress of society, people from all walks of life pay more and more attention to ensuring and improving the quality of life of disadvantaged groups. Vulnerable groups include the blind, the disabled and the elderly. Due to their visual defects, the blind are greatly hindered in travel and need to use guide products to travel. The same is true for the disabled and the elderly. Chinese patent document CN 202105150U discloses a kind of intelligent crutches for blind people to find their way. Please refer to FIG. The miniature detector 200 on the top is composed of a switch 201, a power supply 202, a wireless transmitter, a wireless receiver 203, an ultrasonic detection circuit and an alarm circuit; The device, the wireless receiver 203 and the alarm circuit are respectively electrically connected to the ultrasonic detection circuit through wires, the wireless receiver 203 is installed at the tail position of the crutch head 101, the wireless transmitter is installed on the crutch column 102, and the loudspeaker 300 is installed on the crutch head 101 and the crutch head 101. At the junction of the crutch post 102 , the switch 201 is installed at the curved junction of the crutch head 101 and the crutch post 102 . The detection effect of this intelligent crutch is relatively simple, and cannot fundamentally solve the travel problem of the blind. This shows that it is necessary to improve the prior art to solve the above-mentioned technical problems.

Contents of the invention

An object of the present invention is to provide a walking assistance system and method, which can fundamentally solve the problem of inconvenient walking for the blind, disabled, and elderly.

To achieve this goal, the present invention adopts the following technical solutions:

In one aspect, a walking assistance system is provided, including:

The road surface detection module is used to collect road surface information;

Ultrasonic detection module, which transmits ultrasonic waves to the road surface to detect road obstacles and their distances;

The adjuster is used to install the ultrasonic detection module, and adjust the position of the ultrasonic detection module according to the real-time road surface information, so as to adjust the ultrasonic emission angle of the ultrasonic detection module in real time;

GPS module for users to navigate and locate the target address;

Human-computer interaction module for users to input instructions;

The communication module is used to realize the communication connection with the terminal;

Control module, multi-function module and power module;

the instructions include a first instruction and a second instruction;

The control module is bidirectionally connected to the road surface detection module, the control module controls the working state of the road surface detection module, and receives the road surface information collected by the road surface detection module, the control module is connected to the communication module, Realize sending road surface information to the terminal;

The control module is connected to the adjuster, and the control module is bidirectionally connected to the ultrasonic detection module to control the adjusted position of the ultrasonic detection module to emit ultrasonic waves to the road surface to detect road obstacles and their distances, and Collecting the detected obstacle information, the control module is connected to the communication module, so as to send the obstacle information to the terminal;

The control module is connected with the human-computer interaction module, and the first instruction is sent to the control module through the human-computer interaction module, and the control module is bidirectionally connected with the GPS module, so as to The first instruction of the module performs navigation and positioning, and collects navigation and positioning results, and the control module is connected to the communication module to realize sending the navigation and positioning results to the terminal;

Wherein, the multifunctional module includes:

A photographing module, used for taking pictures and/or video recordings;

FM radio module for receiving FM/AM radio waves;

Night alarm lighting module, used for lighting in dim light conditions, and warning to make pedestrians avoid;

A direction identification module, including a compass, used to indicate the direction;

An identity identification module, used to identify and authenticate the identity of the user;

Electronic payment module for online payment;

The camera module, FM radio module, night alarm lighting module, identity recognition module, and electronic payment module are all connected to the control module, and the second instruction input by the user through the human-computer interaction module is sent to the control module, and through the The control module realizes the start-stop control of the shooting module, the FM radio module, the night alarm lighting module, the identification module and the electronic payment module;

The electronic payment module is connected to the identity recognition module for identity recognition before starting the electronic payment module;

The power supply module is connected with the control module to supply power for the walking assistance system, and the power supply module is a rechargeable power supply.

As a preferred solution of the walking assistance system, the walking assistance system includes a body, a gripping portion is provided at an end of the body away from the road surface, a rolling device is provided at an end of the body close to the road surface, and the road surface detection module includes a A photosensitive sensor or a continuous camera on the rolling device.

As a preferred solution of the walking assistance system, the ultrasonic detection module includes an ultrasonic transmitter, the ultrasonic transmitter is arranged on the adjuster and fixed on the body, and the adjuster can adjust the ultrasonic The relative position between the transmitter and the body.

As a preferred solution of the walking assistance system, the GPS module includes a navigation module and a map module, the navigation module is used to navigate according to instructions, the map module is used to locate the user's travel trajectory, and the navigation module The module and the map module are arranged in the body.

As a preferred solution of the walking assistance system, the human-computer interaction module includes a keyboard and/or a touch screen, which can realize online and/or remote input of the instructions.

As a preferred solution of the walking assistance system, the control module is arranged inside the body and includes a single-chip microcomputer and/or a CPU.

As a preferred solution of the walking assistance system, the communication module is arranged in the body, including a Bluetooth module, a WIFI module, a GSM module, a CDMA module, a 3G module or a 4G module.

As a preferred solution of the walking assistance system, the identity recognition module is arranged on the human-computer interaction module, and includes a fingerprint recognizer or a voice recognizer.

As a preferred solution of the walking assistance system, the body is made of light-transmitting materials, and the night alarm lighting module includes a light source capable of emitting light intermittently, a buzzer and the The brightness sensor on the body, the brightness sensor is connected to the control module, the control module is connected to the light source and the buzzer, when the brightness sensor detects that the brightness of the external environment is lower than the set standard , the control module controls the light source to emit light intermittently, and makes the buzzer buzz to warn; or,

The body is made of light-transmitting materials, and the night alarm lighting module includes a light source that can emit light intermittently, a buzzer, and a clock module on the body, and the clock module is connected to the body The control module is connected with the light source and the buzzer. When the time displayed by the clock module exceeds the set time, the control module controls the light source to emit light intermittently and makes the buzzer The buzzer beeps as a warning.

In another aspect, a walking assistance method is provided, using the walking assistance system,

By detecting the road surface information, collect the road surface information for analysis, and communicate the analysis results to the terminal; adjust the ultrasonic emission angle in real time according to the analysis results, then emit ultrasonic waves to the road surface to detect obstacles, and calculate the distance of obstacles based on the detection results Obtain the obstacle information, and transmit the obstacle information communication to the terminal;

Input the first instruction through the human-computer interaction module, the GPS module performs navigation and positioning according to the target address instruction, and communicates the navigation and positioning results to the terminal;

The second instruction is input through the human-computer interaction module, and the control module selectively starts the shooting function, the FM radio function, the identity recognition function, and the electronic payment function according to the function instruction, wherein identity recognition is required before starting the electronic payment function;

The direction is indicated by the direction identification module when the power supply is insufficient.

Compared with the prior art, the present invention has the beneficial effect: by setting the road surface detection module, this solution can enable the user to grasp the real-time road conditions on the one hand, and also can adjust the position of the ultrasonic detection module according to the real-time road conditions on the other hand. The accuracy of detection; by setting the GPS module, on the one hand, it can realize the navigation of the user's target address, and on the other hand, it can also locate the user's travel trajectory, which expands the scope of use, and can understand the user's location in real time, which helps to ensure The safety of users (special groups); by setting multi-functional modules, you can use and enjoy entertainment items at the same time, which improves the fun of using the product.

Description of drawings

The present invention will be described in further detail below according to the drawings and embodiments.

Fig. 1 is a structural schematic diagram of a smart crutch in the prior art;

Fig. 2 is a structural principle diagram of the walking assistance system described in the embodiment of the present invention;

Fig. 3 is the flow chart of the control method of the road detection module of the present invention;

Fig. 4 is the flow chart of the control method of the ultrasonic detection module of the present invention;

Fig. 5 is a schematic structural diagram of a walking assistance system according to another embodiment of the present invention.

In the picture:

100. The crutch itself; 101. The head of the crutch; 102. The column of the crutch; 103. The bottom of the crutch; 200. The micro detector; 201. The switch; 202. The power supply; 203. The wireless receiver; 300. The speaker;

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

As shown in Figure 2, an embodiment of the present invention provides a walking assistance system, the system includes: a control module, and a road surface detection module connected to the control module, an ultrasonic detection module, a GPS module, a human-computer interaction module and a multifunctional module , where the road surface detection module is used to detect and identify the road surface, the ultrasonic detection module is used to detect obstacles in the process of traveling, the GPS module is used to navigate to user instructions and its own precise positioning, and the human-computer interaction module is used to It is for the user to input instructions, and the multi-function module is used for providing other entertainment functions for the user.

As shown in Figure 2, the control module is bidirectionally connected to the road surface detection module, and the control module controls the start and stop of the road surface detection module. When the road surface detection module is started, the collected road surface information is fed back to the control module for processing. Please refer to Figure 3 for the specific control method, including the following steps:

S101. Start: the user can input a start command through the human-computer interaction interface, for example, by pressing the start button, or the user can input the start command by voice;

S102, the control module receives the start instruction, and sends a work instruction to the road surface detection module: the start instruction can be transmitted to the control module through wireless or wired communication, and after the control module receives the start instruction, it can send the work instruction to the road surface detection module through wired or wireless communication. The road surface detection module sends instructions to control its work;

S103. The road surface detection module receives the work order, starts to collect road surface information, and transmits the collected real-time road surface information to the control module: the road surface detection module can obtain road surface data by scanning the road surface;

S104. After the control module receives the road surface information, it compares it with the road surface information in the database to obtain the road condition result: common road surface information is pre-stored in the database, and after the control module receives and collects real-time road surface information, it compares it with the road surface information in the database Compare the information to get the corresponding road condition results. For example, the road condition results can be flat land, small slope, big slope, puddle, etc.;

S105. The control module divides the danger levels according to the road condition results, and decides whether to issue an alarm: when the control module detects that the road condition results need to issue an alarm, proceed to step S106; when the control module detects that the road condition results do not need to issue an alarm, return to step S105. S103 continues to collect road surface information again;

S106. Send an alarm to the user to remind the road condition result: the control module can send an alarm to the user through wireless or wired communication, for example, a buzzer can be used to directly generate a buzzer, or a Bluetooth headset can be used to directly send an alarm to the user;

S107. The user receives the reminder of the road condition result and cancels the alarm: after the user receives the alarm, the user cancels the alarm by pressing a key or voice, and then returns to step S103 to continue collecting road surface information again.

Referring to Fig. 2, the control module is bidirectionally connected to the ultrasonic detection module, the ultrasonic detection module is also connected to an adjuster, and the adjuster is connected to the control module. Please refer to Figure 4 for the specific control method, including the following steps:

S201. Start: the user can input a start command through the human-computer interaction interface, for example, by pressing the start button, or the user can input the start command by voice;

S202. The control module judges whether the road surface information has changed: after the control module receives the startup command, it will judge whether the current road surface information has changed according to the real-time road surface information collected by the road surface detection module. If the road surface information has changed, then Enter step S203, if there is no change in the road surface information, then enter step S205; by analyzing the road surface information before ultrasonic detection, it is helpful to avoid the problem that the accuracy of the detection result is affected by the road surface information;

S203, the control module sends an adjustment instruction to the regulator according to the road surface information: the control module compares the collected real-time road surface information with the original road surface information, obtains the change amount information, and sends an adjustment instruction to the regulator;

S204. The adjuster adjusts the position of the ultrasonic detection module: the adjuster makes adjustments according to the instructions. Since the adjuster is connected to the ultrasonic detection module, the position of the ultrasonic detection module is adjusted through the adjuster to further adjust the ultrasonic emission angle that matches the current road surface information. ;

S205. The control module controls the ultrasonic detection module to emit ultrasonic waves to the road surface for detection;

S206. After the detection result is analyzed and processed, send to the user: the control module receives the detection result sent by the ultrasonic detection module, analyzes and processes the detection result, obtains obstacle information, for example, the distance and shape of the obstacle, and sends the Obstacle information is sent to the user.

As shown in Figure 2, the control module is bidirectionally connected to the GPS module, the control module controls the start and stop of the GPS module, and the information collected by the GPS module is fed back to the control module in real time, so as to send real-time location information to the user. In a more specific solution, the GPS module includes a navigation module and a map module, the navigation module is used to navigate according to instructions, and the map module is used to locate the user's travel trajectory. The user can directly input the target address through the human-computer interaction interface, or remotely input the target address through electronic equipment. The control module starts the navigation module to navigate according to the input target address, and transmits the navigation results to the user through wired or wireless communication. . When the user turns on the GPS module, its map module starts to work, which is used to record the user's travel trajectory, and transmit the recorded results to the end user through wired or wireless communication. Through the design, on the one hand, it can provide the user with a navigation function, and on the other hand, it can also locate the user's location in real time, which improves the safety of use for special groups of people.

The multifunctional module of the present invention includes: a camera module, an FM radio module, a night alarm lighting module, a direction identification module, an identity identification module, and an electronic payment module. Among them, the shooting module is used to take pictures and/or video; the FM radio module is used to receive FM/AM radio waves; the night alarm lighting module is used to illuminate in dim light and warn pedestrians to avoid it; the direction recognition module , including a compass, used to indicate the direction; the identity recognition module is used to identify and authenticate the user's identity; the electronic payment module is used for online payment. The camera module, FM radio module, night alarm lighting module, identity recognition module, and electronic payment module are all connected to the control module, and the user inputs instructions to the control module through the human-computer interaction module, and the control module realizes Start-stop control of camera module, FM radio module, night alarm lighting module, identity recognition module and electronic payment module. In particular, the electronic payment module is connected with the identity identification module for identity identification before starting the electronic payment module, which improves the security of online payment.

Fig. 5 shows a structural principle diagram of a walking assistance system according to another embodiment of the present invention. In another embodiment of the present invention, the walking assistance system includes: a first control module and a second control module, the first control module is connected with the road surface detection module, the ultrasonic detection module, the GPS module, and the human-computer interaction module; The module is connected with the multi-function module.

The control module of the present invention may be a single-chip microcomputer or a CPU or the like. The communication module between the control module and the road surface detection module, ultrasonic detection module, GPS module, human-computer interaction module, multi-function module and end users is adopted. The communication module can be a Bluetooth module, a WIFI module, a GSM module, a CDMA module, 3G module or 4G module.

The walking assistance system of the present invention includes a body, and a road surface detection module, an ultrasonic detection module, a GPS module, a human-computer interaction module, and a multifunctional module are respectively arranged on the body in a modular manner. Through the modular design, each module will not affect each other, which can facilitate their respective disassembly and maintenance.

The main body is a hollow tubular structure. The end of the main body away from the road is provided with a gripping part, and the end of the main body close to the road is provided with a rolling device. The road surface detection module includes a photosensitive sensor or an uninterrupted camera arranged on the rolling device. The ultrasonic detection module includes an ultrasonic transmitter, the ultrasonic transmitter is arranged on the adjuster and fixed on the upper part of the body, and the adjuster can adjust the relative position between the ultrasonic transmitter and the main body . The GPS module includes a navigation module and a map module, the navigation module is used to navigate according to instructions, the map module is used to locate the user's travel trajectory, the navigation module and the map module are arranged in the body middle part. The human-computer interaction module includes a keyboard and/or a touch screen, which can realize online and/or remote input of instructions. The control module is arranged inside the body, including a single-chip microcomputer and/or CPU, and the human-computer interaction module and the control module are both arranged in the top of the body. Wherein, the identity recognition module is set on the human-computer interaction module, including a fingerprint recognizer or a voice recognizer.

In one embodiment of the present invention, the body is made of light-transmitting materials, and the night alarm lighting module includes a light source that can emit light intermittently, a buzzer, and a brightness sensor on the body. The brightness sensor and The control module is connected, and the control module is connected with the light source and the buzzer. When the brightness sensor detects that the brightness of the external environment is lower than the set standard, the control module controls the light source to emit light intermittently, and the buzzer generates a buzzer to warn.

In another embodiment of the present invention, the body is made of light-transmitting materials, and the night alarm lighting module includes a light source that can emit light intermittently, a buzzer, and a clock module set on the body. The clock module and the control The modules are connected, and the control module is connected with the light source and the buzzer. When the time displayed by the clock module exceeds the set time, the control module controls the light source to emit light intermittently, and makes the buzzer buzz to warn.

In yet another embodiment of the present invention, the gripping portion of the body is made of materials such as silica gel, thermoplastic elastomer, etc. that are comfortable to the touch, wear-resistant, aging-resistant, and waterproof.

The walking assistance system of the present invention also includes a power supply module, which is a rechargeable power supply module, such as a rechargeable storage battery. A charging interface is provided on the body for charging the power supply module. In other embodiments of the present invention, the main body is also provided with a data interface, so as to regularly update the information in the database to ensure its accuracy.

In the description of the present invention, it should be understood that the terms "first" and "second" are only used for distinction in description and have no special meaning.

It should be stated that the above-mentioned specific implementation methods are only preferred embodiments of the present invention and the applied technical principles. Within the technical scope disclosed in the present invention, any changes or substitutions that are easily conceivable by those skilled in the art, All should be covered within the protection scope of the present invention.

Claims (10)

1. A walking assistance system, characterized in that, comprising: The road surface detection module is used to collect road surface information; Ultrasonic detection module, which transmits ultrasonic waves to the road surface to detect road obstacles and their distances; The adjuster is used to install the ultrasonic detection module, and adjust the position of the ultrasonic detection module according to the real-time road surface information, so as to adjust the ultrasonic emission angle of the ultrasonic detection module in real time; GPS module for users to navigate and locate the target address; Human-computer interaction module for users to input instructions; The communication module is used to realize the communication connection with the terminal; Control module, multi-function module and power module; the instructions include a first instruction and a second instruction; The control module is bidirectionally connected to the road surface detection module, the control module controls the working state of the road surface detection module, and receives the road surface information collected by the road surface detection module, the control module is connected to the communication module, Realize sending road surface information to the terminal; The control module is connected to the adjuster, and the control module is bidirectionally connected to the ultrasonic detection module to control the adjusted position of the ultrasonic detection module to emit ultrasonic waves to the road surface to detect road obstacles and their distances, and Collecting the detected obstacle information, the control module is connected to the communication module, so as to send the obstacle information to the terminal; The control module is connected with the human-computer interaction module, and the first instruction is sent to the control module through the human-computer interaction module, and the control module is bidirectionally connected with the GPS module, so as to The first instruction of the module performs navigation and positioning, and collects navigation and positioning results, and the control module is connected to the communication module to realize sending the navigation and positioning results to the terminal; Wherein, the multifunctional module includes: A photographing module, used for taking pictures and/or video recordings; FM radio module for receiving FM/AM radio waves; Night alarm lighting module, used for lighting in dim light conditions, and warning to make pedestrians avoid; A direction identification module, including a compass, used to indicate the direction; An identity identification module, used to identify and authenticate the identity of the user; Electronic payment module for online payment; The camera module, FM radio module, night alarm lighting module, identity recognition module, and electronic payment module are all connected to the control module, and the second instruction input by the user through the human-computer interaction module is sent to the control module, and through the The control module realizes the start-stop control of the shooting module, the FM radio module, the night alarm lighting module, the identification module and the electronic payment module; The electronic payment module is connected to the identity recognition module for identity recognition before starting the electronic payment module; The power supply module is connected with the control module to supply power for the walking assistance system, and the power supply module is a rechargeable power supply. 2. A walking assistance system according to claim 1, characterized in that the walking assistance system comprises a body, a gripping portion is provided at an end of the body away from the road surface, and a rolling device is provided at an end of the body close to the road surface, The road surface detection module includes a photosensitive sensor or a continuous camera arranged on the rolling device. 3. A walking assistance system according to claim 2, wherein the ultrasonic detection module includes an ultrasonic transmitter, the ultrasonic transmitter is arranged on the adjuster and fixed on the body, the The adjuster can adjust the relative position between the ultrasonic emitter and the body. 4. A walking assistance system according to claim 2, wherein the GPS module includes a navigation module and a map module, the navigation module is used to navigate according to instructions, and the map module is used to map the user's itinerary The track is used for positioning, and the navigation module and the map module are arranged in the body. 5 . The walking assistance system according to claim 2 , wherein the man-machine interaction module includes a keyboard and/or a touch screen, which can realize online input and/or remote input of the instruction. 6 . The walking assistance system according to claim 2 , wherein the control module is arranged inside the body and includes a single-chip microcomputer and/or a CPU. 7 . 7 . The walking assistance system according to claim 2 , wherein the communication module is arranged in the body, including a Bluetooth module, a WIFI module, a GSM module, a CDMA module, a 3G module or a 4G module. 8 . The walking assistance system according to claim 2 , wherein the identity recognition module is arranged on the human-computer interaction module and includes a fingerprint recognizer or a voice recognizer. 9. A walking assistance system according to claim 2, wherein the main body is made of light-transmitting material, and the night alarm lighting module includes a light source capable of emitting light intermittently arranged in the main body, A buzzer and a brightness sensor on the body, the brightness sensor is connected to the control module, the control module is connected to the light source and the buzzer, when the brightness sensor detects the external When the ambient brightness is lower than the set standard, the control module controls the light source to emit light intermittently, and makes the buzzer buzz to warn; or, The body is made of light-transmitting materials, and the night alarm lighting module includes a light source that can emit light intermittently, a buzzer, and a clock module on the body, and the clock module is connected to the body The control module is connected with the light source and the buzzer. When the time displayed by the clock module exceeds the set time, the control module controls the light source to emit light intermittently and makes the buzzer The buzzer beeps as a warning. 10. A walking assistance method, using the walking assistance system according to any one of claims 1 to 9, characterized in that, By detecting the road surface information, collect the road surface information for analysis, and communicate the analysis results to the terminal; adjust the ultrasonic emission angle in real time according to the analysis results, then emit ultrasonic waves to the road surface to detect obstacles, and calculate the distance of obstacles based on the detection results Obtain the obstacle information, and transmit the obstacle information communication to the terminal; Input the first instruction through the human-computer interaction module, the GPS module performs navigation and positioning according to the target address instruction, and communicates the navigation and positioning results to the terminal; The second instruction is input through the human-computer interaction module, and the control module selectively starts the shooting function, the FM radio function, the identity recognition function, and the electronic payment function according to the function instruction, wherein identity recognition is required before starting the electronic payment function; The direction is indicated by the direction identification module when the power supply is insufficient.