CN113317777A - NB-IoT protocol-based positioning method and system for old people - Google Patents
NB-IoT protocol-based positioning method and system for old people Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/681—Wristwatch-type devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
- G01S19/10—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals
- G01S19/12—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers providing dedicated supplementary positioning signals wherein the cooperating elements are telecommunication base stations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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Abstract
The invention discloses an old man positioning method and system based on NB-IoT protocol, wherein the related old man positioning system based on NB-IoT protocol comprises an intelligent terminal, a positioning watch and a cloud server; the cloud server is used for receiving the processing data and the alarm information of the positioning watch and sending the received processing data and the alarm information to the intelligent terminal; the NB-IoT module is used for communicating with the intelligent terminal through an NB-IoT protocol; acquiring data information corresponding to the body characteristics of the old; classifying the collected data information to form a oscillogram, and sending the processed data to a storage module; storing the processed data; when the processed data is abnormal, acquiring emergency contact information from the storage module, and sending alarm information to the intelligent terminal; acquiring the position information of the old people, and sending the acquired position information to an intelligent terminal; and when the intelligent terminal receives the alarm information, the intelligent terminal communicates with the intelligent terminal.
Description
Technical Field
The invention relates to the technical field of electronic information, in particular to an old man positioning method and system based on an NB-IoT protocol.
Background
The old people are likely to lose along with the increase of the age, the memory deterioration, the Alzheimer's disease and the like, at the time, the mode of calling the telephone and requiring the old people to actively respond is likely to be invalid, and the mode of keeping the contact way and the home address on the old people is also a passive mode. In this case, it is difficult to actively know the whereabouts of the elderly person, and to find the elderly person. In recent years, about 60 million people are lost every year among the elderly.
Aiming at the current situation, the invention provides an old man positioning system based on an NB-IoT protocol. The device only needs to be worn on the hand, can carry out real-time positioning to the old man, and after the old man lost, just can find the old man through this device, has apparent practicality.
Disclosure of Invention
The invention aims to provide an NB-IoT protocol-based elderly positioning method and system aiming at the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
an old man positioning system based on an NB-IoT protocol comprises an intelligent terminal and a positioning watch;
the positioning watch comprises a data NB-IoT module, a data acquisition module, a processing module, a storage module, an alarm module, a positioning module and a communication module;
the NB-IoT module is used for communicating with the intelligent terminal through an NB-IoT protocol;
the data acquisition module is used for acquiring data information corresponding to the body characteristics of the old;
the processing module is used for classifying the acquired data information to form a oscillogram and sending the processed data to the storage module;
the storage module is used for storing the processed data;
the alarm module is used for acquiring the emergency contact information from the storage module when the processed data is abnormal and sending the alarm information to the intelligent terminal;
the positioning module is used for acquiring the position information of the old people and sending the acquired position information to the intelligent terminal;
the communication module is used for communicating with the intelligent terminal after the intelligent terminal receives the alarm information;
and the intelligent terminal is used for receiving the alarm information and the positioning information sent by the positioning watch and communicating with the positioning watch.
The cloud server is respectively connected with the intelligent terminal and the positioning watch; the cloud server is used for receiving the processing data and the alarm information of the positioning watch and sending the received processing data and the alarm information to the intelligent terminal.
Further, the data acquisition module comprises:
the pulse detection sensor is used for acquiring pulse information of the old;
the blood pressure detection sensor is used for acquiring blood pressure information of the old;
the body temperature detection sensor is used for acquiring body temperature information of the old;
and the pedometer is used for acquiring the step number information of the walking of the old.
Furthermore, the positioning watch further comprises an emergency call module, and the emergency call module is used for sending abnormal information to a monitoring device of a hospital when the processed data is abnormal.
Further, the emergency call module comprises an emergency call button and a confirmation button, and information is directly transmitted to the monitoring device by operating the emergency call button and the confirmation button.
Furthermore, the positioning watch further comprises a voice control module used for acquiring the voice of the old and the surrounding noise and sending the acquired voice and noise to the emergency call module.
Further, the voice control module comprises:
the voice recording unit is used for recording the voice of the old and the surrounding noise and transmitting the recorded voice signal to the voice processing unit;
and the voice processing unit is used for carrying out noise reduction processing on the voice signals, converting the voice analog signals subjected to the noise reduction processing into voice digital signals, identifying the voice digital signals and sending the identification results to the emergency call module.
Further, the recognizing the voice digital signal in the voice processing unit specifically includes: the voice digital signal is transcribed into words meeting the semanteme, and the words meeting the semanteme are selected as a final recognition result.
Further, the main control chip of the processing module adopts an ESP32 chip.
Correspondingly, the method for positioning the old people based on the NB-IoT protocol comprises the following steps:
s1, acquiring data information corresponding to body characteristics of the old;
s2, carrying out classification processing on the acquired data information to form a oscillogram;
s3, storing the processed data;
s4, when the processed data are abnormal, acquiring emergency contact information, and sending alarm information to the intelligent terminal through an NB-IoT protocol;
s5, acquiring the position information of the old people, and sending the acquired position information to an intelligent terminal through an NB-IoT protocol;
and S6, when the intelligent terminal receives the alarm information, communicating with the intelligent terminal.
Compared with the prior art, the old people positioning method and system based on the NB-IoT protocol can obviously reduce the loss situation of the old people, greatly increase the possibility of finding the old people after the old people lose the old people, prevent the old people from losing again, and have obvious practicability.
Drawings
Fig. 1 is a diagram of an old man positioning system structure based on NB-IoT protocol according to an embodiment;
fig. 2 is a schematic diagram of an architecture of an elderly people positioning system based on NB-IoT protocol according to an embodiment.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
The invention aims to provide an NB-IoT protocol-based elderly positioning method and system aiming at the defects of the prior art.
Example one
The embodiment provides an old people positioning system based on an NB-IoT protocol, as shown in fig. 1, including a smart terminal 11 and a positioning watch 12; the smart terminal 11 and the positioning watch 12 communicate through NB-IoT protocol.
In this embodiment, the system further includes a cloud server 13, which is respectively connected to the intelligent terminal 11 and the positioning watch 12; the cloud server 13 is configured to receive the processing data and the alarm information of the positioning watch, and send the received processing data and the alarm information to the intelligent terminal.
As shown in fig. 2, the architecture of the positioning system includes a physical layer, a network layer, a cloud service layer, and an application layer.
The physical layer is an NB-IoT communication module with an electronic identity card and comprises a GPS positioning module, an NB-IoT communication module, a power supply module and a processing module.
The NB-IoT communication module follows an NB-IoT protocol, the narrowband IoT is an LPWAN (Low Power Wide area network) radio standard, and has the advantages of low power consumption, low speed, low cost, huge number of connected devices and long communication distance. The method is suitable for the field of various internet of things; the GPS positioning module can be suitable for a U.S. GPS positioning system and a Chinese Beidou system, and is accurate in positioning; processing employs ESP32 module.
The network layer is a protocol for realizing data transmission, and comprises an NB-IoT transmission protocol, in particular an NB-IoT protocol link for positioning a watch and a cloud server, and a TCP/IP protocol link for an intelligent terminal and the cloud server
The cloud service layer is responsible for receiving and storing data in a database and providing an interface for the application layer to access the data; the map system comprises an Ali cloud server and provides a plurality of functions, wherein the map function can be directly called without self development.
The APP in the application layer, namely the intelligent terminal of the user, mainly receives data from the server, namely the geographical position data of the old.
In the present embodiment, the positioning system is integrated in the positioning watch, and the positioning watch 12 includes a data NB-IoT module, a data acquisition module, a processing module, a storage module, an alarm module, a positioning module, and a communication module;
the NB-IoT module is used for communicating with the intelligent terminal through an NB-IoT protocol;
the data acquisition module is used for acquiring data information corresponding to the body characteristics of the old; the method specifically comprises the following steps:
the data acquisition module comprises a pulse detection sensor, a blood pressure detection sensor, a body temperature detection sensor and a pedometer; the pulse detection sensor, the blood pressure detection sensor and the body temperature detection sensor are arranged on the back of the dial plate of the positioning watch for the old.
The pulse detection sensor is used for acquiring pulse information of the old;
the blood pressure detection sensor is used for acquiring blood pressure information of the old;
the body temperature detection sensor is used for acquiring body temperature information of the old;
and the pedometer is used for acquiring the step number information of the walking of the old.
The processing module is used for classifying the acquired data information to form a oscillogram and sending the processed data to the storage module;
the storage module is used for storing the processed data;
the alarm module is used for acquiring the emergency contact information from the storage module when the processed data is abnormal and sending the alarm information to the intelligent terminal;
the positioning module is used for acquiring the position information of the old people and sending the acquired position information to the intelligent terminal;
the communication module is used for communicating with the intelligent terminal after the intelligent terminal receives the alarm information;
the communication module comprises a microphone, an audio player and a display screen, namely when the processing module detects that the physiological parameters of the old people are abnormal, the intelligent terminal of the guardian can send out an alarm, and at the moment, the guardian can carry out video call on the old people to know the current condition of the old people.
And the intelligent terminal 11 is used for receiving the alarm information and the positioning information sent by the positioning watch and communicating with the positioning watch.
The APP development of the intelligent terminal adopts MUI and follows JSON format data sent by the Alice cloud server. The interface adopts MUI interface.
The positioning watch is also provided with an emergency call module for sending abnormal information to a monitoring device of a hospital when the processed data is abnormal.
When the processing module detects that the physiological parameters of the old people are abnormal, the old people can directly contact the hospital through the emergency call module, and medical record information of the old people is stored in the storage module of the positioning watch. The emergency call module is connected with the hospital monitoring device, and the positioning watch is provided with an emergency call button and a confirmation button; the emergency call information is directly transmitted to the hospital by operating the emergency call button and the confirmation button.
The emergency call module is connected with a monitoring device of a hospital through the NB-IoT communication module, and after receiving the information of the emergency call device, the hospital monitoring device can be connected with an intelligent terminal APP of a user and a communication module of an old man to confirm the behavior of the old man.
If the old man temporarily loses the ability of operating the emergency call button and the confirmation button on the watch because of falling down, so set up the speech control module in the location wrist-watch, the speech control module is used for acquireing old man's sound and noise around to send the sound and the noise of acquireing in the emergency call module.
The voice control module comprises a voice recording unit and a sound processing unit which are arranged in the watch;
the voice recording unit is used for recording the voice of the old and the surrounding noise and transmitting the recorded voice signal to the voice processing unit;
the voice recording unit comprises a first microphone and a second microphone, and the first microphone and the second microphone transmit recorded voice signals to the noise reduction sub-module. The noise reduction method of the noise reduction submodule adopts a phase difference method, the distances between the first microphone and the second microphone are different from the sound source, so that time difference exists between two groups of voice signals gathered to the noise reduction submodule, the noise reduction submodule obtains two groups of voice signals which can be basically superposed through phase shift processing, and the two groups of voice signals are superposed, namely S1/N1+ S2/N2 is approximately equal to 2S1/N1 is approximately equal to 2S2/N2, and the signal-to-noise ratio is increased through a method of amplifying the voice signals, so that the noise reduction effect is achieved.
The sound processing unit comprises a noise reduction sub-module, a digital-to-analog signal conversion sub-module and a voice recognition control sub-module;
the noise reduction submodule is used for carrying out noise reduction processing on the voice signal and sending the voice signal to the digital-to-analog signal conversion submodule;
the digital-to-analog signal conversion sub-module is used for converting the voice analog signals subjected to noise reduction into voice digital signals and synchronously sending the voice digital signals to the voice recognition control sub-module;
and the voice recognition control submodule is used for sending the recognition result to the emergency call module.
The voice recognition control submodule comprises a local voice recognition submodule and a cloud voice recognition submodule;
the local voice recognition submodule is used for transcribing the voice signals subjected to noise reduction into words and sentences conforming to semantics;
and the cloud voice recognition submodule is used for internally setting a voice cloud transcription program and analyzing and processing the voice signal subjected to local noise reduction.
The voice recognition control submodule of the embodiment selects the most semantic words from the words transcribed by the local voice recognition submodule and the cloud voice recognition submodule to serve as the final instruction, so that the recognition accuracy can be improved.
In order to better distinguish the voice of the old people so as to obtain an accurate instruction, the voice recognition control sub-module comprises a voiceprint recognizer, and the voiceprint of a user (namely the old people) needs to be recorded before the watch is used; when the old man tumbles and loses the ability of action temporarily, awaken the speech control module through pronunciation to this operates emergency call module, pronunciation awaken the pronunciation and can judge whether be the sound of old man through the voiceprint recognizer at the during operation, then need not to manage the meeting if not the sound of old man, can prevent that other people's maloperation from leading to the police dispatch newspaper.
Compared with the prior art, the old people positioning system based on the NB-IoT protocol can obviously reduce the loss situation of the old people, greatly increases the possibility of finding the old people after the old people lose the old people, prevents the old people from losing the old people again, and has obvious practicability.
Example two
The embodiment provides an old man positioning method based on NB-IoT protocol, which comprises the following steps:
s1, acquiring data information corresponding to body characteristics of the old;
s2, carrying out classification processing on the acquired data information to form a oscillogram;
s3, storing the processed data;
s4, when the processed data are abnormal, acquiring emergency contact information, and sending alarm information to the intelligent terminal through an NB-IoT protocol;
s5, acquiring the position information of the old people, and sending the acquired position information to an intelligent terminal through an NB-IoT protocol;
and S6, when the intelligent terminal receives the alarm information, communicating with the intelligent terminal.
It should be noted that the method for positioning the elderly people based on the NB-IoT protocol provided in this embodiment is similar to the embodiment, and will not be described herein again.
Compared with the prior art, the old people positioning method based on the NB-IoT protocol can obviously reduce the loss situation of the old people, greatly increase the possibility of finding the old people after the old people lose the old people, prevent the old people from losing the old people again, and has obvious practicability.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. An old man positioning system based on NB-IoT protocol is characterized by comprising an intelligent terminal and a positioning watch;
the positioning watch comprises a data NB-IoT module, a data acquisition module, a processing module, a storage module, an alarm module, a positioning module and a communication module;
the NB-IoT module is used for communicating with the intelligent terminal through an NB-IoT protocol;
the data acquisition module is used for acquiring data information corresponding to the body characteristics of the old;
the processing module is used for classifying the acquired data information to form a oscillogram and sending the processed data to the storage module;
the storage module is used for storing the processed data;
the alarm module is used for acquiring the emergency contact information from the storage module when the processed data is abnormal and sending the alarm information to the intelligent terminal;
the positioning module is used for acquiring the position information of the old people and sending the acquired position information to the intelligent terminal;
the communication module is used for communicating with the intelligent terminal after the intelligent terminal receives the alarm information;
and the intelligent terminal is used for receiving the alarm information and the positioning information sent by the positioning watch and communicating with the positioning watch.
2. The system of claim 1, further comprising a cloud server connected to the smart terminal and the positioning watch respectively; the cloud server is used for receiving the processing data and the alarm information of the positioning watch and sending the received processing data and the alarm information to the intelligent terminal.
3. The NB-IoT protocol-based elderly people positioning system according to claim 1, wherein the data collection module comprises:
the pulse detection sensor is used for acquiring pulse information of the old;
the blood pressure detection sensor is used for acquiring blood pressure information of the old;
the body temperature detection sensor is used for acquiring body temperature information of the old;
and the pedometer is used for acquiring the step number information of the walking of the old.
4. The system of claim 1, wherein the positioning watch further comprises an emergency call module for sending abnormal information to a monitoring device of a hospital when the processed data is abnormal.
5. The NB-IoT protocol-based elderly positioning system according to claim 4, wherein the emergency call module comprises an emergency call button and a confirmation button, and the monitoring device directly transmits information to the emergency call module by operating the emergency call button and the confirmation button.
6. The NB-IoT protocol-based elderly positioning system according to claim 4, wherein said positioning watch further comprises a voice control module for capturing the elderly's voice and surrounding noise and sending the captured voice and noise to the emergency call module.
7. The NB-IoT protocol-based elderly positioning system according to claim 6, wherein said voice control module comprises:
the voice recording unit is used for recording the voice of the old and the surrounding noise and transmitting the recorded voice signal to the voice processing unit;
and the voice processing unit is used for carrying out noise reduction processing on the voice signals, converting the voice analog signals subjected to the noise reduction processing into voice digital signals, identifying the voice digital signals and sending the identification results to the emergency call module.
8. The system of claim 7, wherein the voice processing unit identifies the voice digital signal by: the voice digital signal is transcribed into words meeting the semanteme, and the words meeting the semanteme are selected as a final recognition result.
9. The system of claim 1, wherein the ESP32 chip is adopted as the main control chip of the processing module.
10. An old man positioning method based on NB-IoT protocol is characterized by comprising the following steps:
s1, acquiring data information corresponding to body characteristics of the old;
s2, carrying out classification processing on the acquired data information to form a oscillogram;
s3, storing the processed data;
s4, when the processed data are abnormal, acquiring emergency contact information, and sending alarm information to the intelligent terminal through an NB-IoT protocol;
s5, acquiring the position information of the old people, and sending the acquired position information to an intelligent terminal through an NB-IoT protocol;
and S6, when the intelligent terminal receives the alarm information, communicating with the intelligent terminal.
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