CN110971261A - Wearable emergency alarm system based on NFC and LoRa communication technology - Google Patents
Wearable emergency alarm system based on NFC and LoRa communication technology Download PDFInfo
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- CN110971261A CN110971261A CN201911188125.0A CN201911188125A CN110971261A CN 110971261 A CN110971261 A CN 110971261A CN 201911188125 A CN201911188125 A CN 201911188125A CN 110971261 A CN110971261 A CN 110971261A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention belongs to the field of safety protection alarming, relates to an emergency alarming system and an implementation method, and particularly relates to a wearable emergency alarming system and method based on NFC near field communication and LoRa low-consumption long-range communication technologies. The invention realizes an intelligent alarm system which activates a wearable alarm device through a mobile phone NFC signal and sends an alarm signal to a monitoring background in a LoRa communication mode under the condition that a conventional communication environment is lost or an emergency situation is faced. The wearable alarm device combining the NFC communication function and the LoRa node function has the advantages of being low in power consumption, long in timeliness, high in penetrating power, long in communication distance, high in reaction speed, high in concealment and the like, is suitable for rapid and continuous alarming under the conditions of natural disasters, safety crisis, severe living environments and the like, can be linked with the LoRa gateway carried on an unmanned aerial vehicle platform, and meets the system requirements of emergency alarming, rapid positioning and lifesaving and rescue.
Description
Technical Field
The invention belongs to the field of safety protection alarming, relates to an emergency alarming system and an implementation method, and particularly relates to a wearable emergency alarming system and method based on NFC near field communication and LoRa low-consumption long-range communication technologies.
Background
In many specific situations, the process of sending an alarm signal is greatly influenced and limited by the communication environment and the alarm time. In some cases, for example, due to the limitation of communication environments, including the loss of mobile phone communication networks and satellite communication networks in extreme environments such as the open air, the ocean and the desert, people cannot use conventional means such as mobile phones and navigation to alarm and ask for help; in other cases, for example, under the conditions of hijacking and duress of lawless persons, the emergency alarm needs specific urgency and concealment, for example, under the natural disasters such as mine disasters and earthquakes, people face the dual challenges of conventional communication network loss and equipment power supply loss, for example, the urgency of sending an alarm signal when the old people meet the health emergency condition, and the like. In all these cases, there is a specific need to issue emergency alert information:
1. a method and a means for sending alarm information simply, rapidly, safely and effectively;
2. the repeatability, the long persistence and the independence to the conventional communication environment of the alarm information sending.
Through the alarm system meeting the requirement condition, an alarm initiator can rapidly send out an alarm signal to the maximum extent, so that time is strived for lifesaving and rescue, the survival possibility is improved, the life safety is protected, and the aim of avoiding great loss of lives and properties is fulfilled.
With the development of modern communication technology, certain new technologies and combined application thereof endow the constructed system with specific functions, meet the requirement of having a complete emergency alarm function under the specific conditions and meet the specific requirements on the system.
The invention provides a wearable emergency alarm system and method based on NFC and LoRa communication technologies, which can meet the requirement that people quickly activate an alarm mechanism and continuously send out alarm signals and direction information under specific conditions, thereby completing the process and method of alarming and acquiring rescue.
Disclosure of Invention
In order to solve the technical problems provided in the background art, the invention provides a wearable emergency alarm system based on NFC and LoRa communication technologies, which adopts an NFC communication and LoRa communication Node (Node) module and a dynamically deployed LoRa Gateway (Gateway) system which can be carried on an unmanned aerial vehicle platform to form a dynamic LoRa private network or public network, collects alarm, lifesaving contact signals and related environment information and transmits the signals to a background server for data analysis and organization of corresponding rescue actions; meanwhile, equipment such as an unmanned aerial vehicle and the like can be used as a platform for rapid and dynamic deployment, and an LoRa gateway or other LoRa communication receiving equipment can be rapidly and conveniently deployed to a rescue target area to collect distress signals and related information; NFC function module that NFC/loRa node equipment is integrated can carry out the NFC communication with system user, the mobile terminal of rescue target promptly to make the system can be activated fast, and receive characters, other lifesaving information such as location as user's mobile terminal, thereby simplify loRa node communication equipment's function and volume, reduce the energy consumption, thereby improved the survivability of system, convenience and security greatly.
In the scheme of the invention, LoRa is a physical layer or wireless modulation technology for establishing long-distance communication connection, and compared with the traditional FSK technology, the LoRa technology based on the CSS (chip Spread Spectrum) can greatly increase the communication range, has the characteristics of long transmission distance, strong anti-interference performance and the like, realizes the unification of low power consumption and long-distance transmission, and can reach 2-5 kilometers in the ISM working frequency band, the town transmission distance can reach 15 kilometers in open environments such as suburbs and the like, and the service life of a battery can be more than 10 years. The LoRa communication has the Forward Error Correction (FEC) capability and strong penetrability, and can ensure good communication quality under the shielding of building materials. In the aspect of the dynamic networking of LoRa, the LoRa node that a LoRa gateway can connect can reach thousands to tens of thousands of orders of magnitude, and LoRa communication protocol self possesses the positioning mechanism simultaneously, can be by the LoRa gateway according to with the communication analysis obtain the positional information of node between the LoRa node.
In the solution of the present invention, NFC is a way to communicate between two pieces of NFC-enabled devices through a specific NFC (Near Field Communication) Communication protocol. The communication frequency is characterized by 13.56MHz, and the communication distance is not more than 10 cm. The limitation of the communication distance ensures the uniqueness of the communication path between the devices, and provides an effective communication protocol and method for the use environment requiring strict two-way verification of the devices. The system is a safe and efficient communication and induction technology which is widely applied to financial systems, industrial production lines, sensor systems of the Internet of things, entrance guard check-in systems, wireless charging and the like.
The scheme of the invention is a wearable emergency alarm system based on NFC and LoRa communication technologies, which is characterized in that:
1. a system user, namely a person to be rescued, can activate the wearable alarm device to send out a distress signal in a contact or non-contact mode within 10cm from the alarm device through a mobile terminal platform with an NFC function, such as a smart phone and the like, does not need any other physical operation, and strives for the fastest time effect and convenient effect for sending out the distress signal;
2. the wearable emergency alarm system receives the information of the mobile terminal in an NFC near field communication mode, does not need a connecting device for wired communication, does not need to establish other conventional steps or media for wireless communication, and completes the information transmission between the mobile terminal and the alarm device with high operability under the emergency situation that spare parts and a power supply are extremely limited;
3. the LoRa node alarm device integrated with the NFC near field communication module can use the mobile terminal platform APP as a user interface to carry out near field data communication, and the structure of the alarm device is simplified, so that the energy consumption is reduced, and the survival continuity of the system is improved;
4. by means of the LoRa communication network technology, the device provides an alarm signal sending scheme with long duration, low power consumption, long distance, strong anti-interference and strong penetrability, thereby greatly enhancing the possibility that the distress signal is received and obtaining lifesaving rescue;
the integration of loRa gateway or loRa networking device has strengthened the convenience of deploying under various occasions and environment, timeliness and search for nature on a large scale on quick deployment platforms such as unmanned aerial vehicle.
Meanwhile, the technical solution of the invention is characterized in that: the limited communication range of NFC has ensured between mobile terminal platform and the loRa node alarm device, calls for help target promptly and alarm device's corresponding relation and positional relation, and simultaneously relative other communication methods, the NFC communication has reduced the energy consumption of mobile terminal platform, has continued the power supply time limit of mobile terminal platform greatly.
The mobile terminal platform unit in the system is an intelligent mobile terminal with an NFC function, and comprises an intelligent mobile phone, a tablet personal computer and a special mobile terminal device with an NFC reading function and corresponding control software; and the user operation terminal platform is used for a system user to activate the system and send distress signals and text messages.
The NFC Communication unit is a Communication module which carries out Near Field Communication (NFC) protocol-based Near Field Communication (NFC) data interaction with a mobile terminal of a system user, and is composed of an NFC receiving antenna in any form and an NFC functional module; and activating the alarm system node to send out a distress signal in a non-contact or contact mode, and completing the information transmission between the user mobile terminal platform and the alarm system node device.
The central processing control unit is a microprocessor and related electronic circuits which are connected with the NFC communication unit and the LoRa communication node unit; and the control operation, the data preprocessing and the information format conversion of the NFC communication unit and the LoRa communication node unit are completed.
The LoRa Node communication unit is an electronic circuit module which is connected with the LoRa gateway based on a LoRa communication protocol and is used as the LoRa Node for data transmission; and may be any electronic circuit module under the control of a microprocessor or integrated with an embedded microprocessor to accomplish this function. .
The LoRa Gateway (Gateway) communication unit is an electronic circuit module which is connected with a single path or multiple paths of LoRa communication nodes to form a network and performs data transmission based on a LoRa communication protocol; simultaneously, the LoRa gateway completes the conversion of a communication protocol, and transmits LoRa communication information with a background network server or an application server in an Ethernet or any preset wireless communication mode; the unit may be any electronic circuit module or device under the control of a microprocessor or integrated with an embedded microprocessor to perform this function.
The wearable emergency alarm front-end system in the system can be any wearable device capable of integrating an NFC communication unit, a central processing unit and a LoRa node unit, and comprises but is not limited to human body bracelets, waistbands, vests and other objects.
The system application server unit in the system is a unit module which is in data communication with LoRa gateway equipment and performs background operation on the data, and comprises processing operations such as calculation, storage, display output and the like; the unit can be subdivided into network server, user application server and other background equipment of various forms of data on the framework; depending on the platform carrying the LoRa gateway, the communication between the background server and the LoRa gateway device may be any wireless or wired communication method.
The carrying platform of loRa unmanned aerial vehicle gateway can be with the long-range aircraft of launching to the target area of loRa gateway equipment or other loRa communication equipment, for loRa communication equipment, power, and other auxiliary assembly provide physics mounting platform, can include various unmanned aerial vehicle, parachuting equipment, balloon sky device etc. multiple quick platform of launching.
The main emergency alarm system function and method in the system are explained by the following processes including the process of obtaining the navigation position information of the mobile terminal platform through NFC communication:
s1, a system user, namely an alarm implementation person, in an emergency situation, a mobile terminal platform with an NFC function, such as a smart phone or a tablet personal computer and the like, is close to the NFC/LoRa wearable emergency alarm front-end system device within about 10 cm; activating an alarm device in a contact or non-contact manner;
s2: the NFC/LoRa wearable emergency alarm front-end system is activated through NFC communication, and sends an emergency alarm signal through a preset frequency and a LoRa communication protocol;
s3, a system user inputs text alarm information through an application APP on the mobile terminal platform and can embed the environment information of physical position navigation and the like of the mobile terminal platform, and the mobile terminal is close to the NFC/LoRa wearable emergency alarm front-end device within about 10 cm; transmitting information to a wearable emergency alarm front-end device through NFC communication;
s4: the NFC/LoRa wearable emergency alarm front-end device integrates received user characters and other information in alarm information and sends the information through a preset frequency and a LoRa communication protocol;
s5: the wearable emergency alarm background system sends the received alarm information and LoRa node position information obtained through LoRa communication self-contained positioning function analysis to a background application server through a preset communication protocol, and the alarm information collection process is completed.
The NFC function in step S1 is a function of receiving NFC format signals input to the mobile terminal 13.56MHz through the NFC sensor device by using an NFC (Near Field Communication) protocol, which includes an NFC (Near Field Communication) Communication line formed by any NFC (Near Field Communication) chip and a corresponding receiving antenna. The terminals or the equipment supporting the NFC are corresponding terminals and equipment with the function of communication by an NFC communication protocol.
The LoRa function in step S1 is to perform data transmission between the LoRa Node and the LoRa Gateway (Gateway) using the LoRa communication protocol, and is based on the spread spectrum technology, and is in the ISM operating frequency band of 433, 868, and 915MHz, and has the technical characteristics of low power consumption, long transmission distance, strong transmission penetrating power, and the like. The nodes or gateway devices supporting the LoRa are terminals and equipment with the same communication function by using the LoRa communication protocol.
The technical scheme of the invention has the advantages that:
1. the alarm information is sent through the LoRa node device, and the ultra-long distance signal sending (up to 5-15 kilometers), strong signal penetrating power and ultra-long battery service life (up to 10 years) are supported;
2, the LoRa gateway is deployed through an unmanned aerial vehicle, so that the rapidness and convenience of LoRa networking can be achieved;
3, the NFC mobile terminal platform is used for a human-computer interface, and the sending of the distress signal is started in a close-range non-contact mode, so that the convenience and operability of the system in a critical environment are improved;
4. the system has the advantages of simple overall structure, mature and reliable technology, relatively low price, high application degree of applicable rescue scenes and high marketization possible degree.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention;
the system comprises a mobile terminal unit 1, a NFC communication unit 2, a central processing control unit 3, a LoRa node communication unit 4, a LoRa gateway communication unit 5 and a system application server 6.
Fig. 2 is a schematic process diagram of an embodiment of the system for collecting alarm information sent by a rescue target according to the present invention.
Fig. 3 is a schematic process diagram of a second embodiment of the system for collecting alarm information sent by a rescue target.
Detailed Description
The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which a preferred embodiment of the invention is shown, by way of example, to illustrate how the invention may be carried into effect, and which will make apparent and understandable the technical content thereof to those skilled in the art. The present invention may be embodied in many different forms of embodiments, and the scope of protection is not limited to the embodiments described herein, which are illustrative rather than restrictive in nature.
As shown in fig. 1 of the drawings, the invention relates to a wearable emergency alarm system based on NFC and LoRa communication technologies, which comprises an NFC/LoRa wearable alarm front-end system and an NFC/LoRa wearable alarm back-end system, and is used for completing an alarm process and method of sending emergency alarm information in an NFC/LoRa node communication mode and receiving related information by an LoRa gateway communication back-end system; the specific embodiment may be composed of a mobile terminal unit 1, an NFC communication unit 2, a central processing control unit 3, a LoRa Node communication unit 4, a LoRa Gateway communication unit 5, and a system application server unit 6, which are connected in sequence.
The mobile terminal unit 1 in the system implementation mode is an intelligent mobile terminal with an NFC function, and comprises an intelligent mobile phone, a tablet personal computer and a special mobile terminal device with an NFC reading function and corresponding control software; the user operation terminal platform is used for a system user to activate the system and send a distress signal and text information; the NFC Communication unit 2 is a Communication module for performing Near Field Communication (NFC) protocol-based Near Field Communication (NFC) data interaction with a mobile terminal of a system user, and is composed of an NFC receiving antenna and an NFC functional module in any form; completing activating the alarm system node in a non-contact or contact mode to send out a distress signal and completing information transmission between the user mobile terminal platform and the alarm system node device; the central processing control unit 3 is a microprocessor and related electronic circuits which are connected with the NFC communication unit and the LoRa communication node unit; the control operation, data preprocessing and information format conversion of the NFC communication unit and the LoRa communication node unit are completed; the loRa Node communication unit 4 is an electronic circuit module which is connected with the loRa gateway based on the loRa communication protocol and is used as the loRa Node for data transmission; any electronic circuit module under the control of a microprocessor or integrated with an embedded microprocessor to accomplish this function; the LoRa Gateway (Gateway) communication unit 5 is an electronic circuit module which is connected with a single path or multiple paths of LoRa communication nodes to form a network and performs data transmission based on a LoRa communication protocol; simultaneously, the LoRa gateway completes the conversion of a communication protocol, and transmits LoRa communication information with a background network server or an application server in an Ethernet or any preset wireless communication mode; the unit may be any electronic circuit module or device under the control of a microprocessor or integrated with an embedded microprocessor to perform this function; the system application server unit 6 is a unit module for performing data communication with the LoRa gateway device and performing data background operation, and comprises processing operations such as calculation, storage, display output and the like; the unit can be subdivided into network server, user application server and other background equipment of various forms of data on the framework; depending on the platform carrying the LoRa gateway, the communication between the background server and the LoRa gateway device may be any wireless or wired communication method.
The following embodiment 1 realizes a wearing formula emergency alert system based on NFC and loRa communication technology, its characterized in that: the method comprises the following steps of completing alarm information sent out by a rescue target, wherein the process of collecting position information and the like provided by a mobile platform navigation system comprises the following steps:
s1, a system user, namely an alarm implementation person, in an emergency situation, a mobile terminal platform with an NFC function, such as a smart phone or a tablet personal computer and the like, is close to the NFC/LoRa wearable emergency alarm front-end system device within about 10 cm; activating an alarm device in a contact or non-contact manner;
s2: the NFC/LoRa wearable emergency alarm front-end system is activated through NFC communication, and sends an emergency alarm signal through a preset frequency and a LoRa communication protocol;
s3, a system user inputs text alarm information through an application APP on the mobile terminal platform and can embed the environment information of physical position navigation and the like of the mobile terminal platform, and the mobile terminal is close to the NFC/LoRa wearable emergency alarm front-end device within about 10 cm; transmitting information to a wearable emergency alarm front-end device through NFC communication;
s4: the NFC/LoRa wearable emergency alarm front-end device integrates received user characters and other information in alarm information and sends the information through a preset frequency and a LoRa communication protocol;
s5: and the wearable emergency alarm background system sends the received alarm information to a background application server to complete the alarm information acquisition process.
The following embodiment 2 realizes a wearing formula emergency alert system based on NFC and loRa communication technology, its characterized in that: the method comprises the following steps of collecting alarm information sent by a rescue target, and analyzing and acquiring the position information of the rescue target through a LoRa communication self-contained positioning function by a LoRa gateway:
s1, a system user, namely an alarm implementation person, in an emergency situation, a mobile terminal platform with an NFC function, such as a smart phone or a tablet personal computer and the like, is close to the NFC/LoRa wearable emergency alarm front-end system device within about 10 cm; activating an alarm device in a contact or non-contact manner;
s2: the NFC/LoRa wearable emergency alarm front-end system is activated through NFC communication, and sends an emergency alarm signal through a preset frequency and a LoRa communication protocol;
s3, a system user inputs text alarm information through an application APP on the mobile terminal platform and can embed the environment information of physical position navigation and the like of the mobile terminal platform, and the mobile terminal is close to the NFC/LoRa wearable emergency alarm front-end device within about 10 cm; transmitting information to a wearable emergency alarm front-end device through NFC communication;
s4: the NFC/LoRa wearable emergency alarm front-end device integrates received user characters and other information in alarm information and sends the information through a preset frequency and a LoRa communication protocol;
s5: wearable emergency alarm background system will be analyzed through loRa communication self-provided positioning function and obtain loRa node position information and send background application server through preset communication protocol, accomplish alarm information collection process.
Example one
As shown in fig. 2 of the drawings, this embodiment demonstrates that a wearable emergency alarm system based on NFC and LoRa communication technologies is implemented to complete the process of collecting alarm information sent out by a rescue target, including position information and the like provided by a mobile platform navigation system.
In this embodiment, a wearable emergency alarm system based on NFC and LoRa communication technologies includes an NFC/LoRa wearable alarm front-end system and an NFC/LoRa wearable alarm back-end system, and completes an alarm process and method of sending emergency alarm information in an NFC/LoRa node communication manner and receiving related information in an LoRa gateway communication back-end system; the specific embodiment may be composed of a mobile terminal unit 1, an NFC communication unit 2, a central processing control unit 3, a LoRa Node communication unit 4, a LoRa Gateway communication unit 5, and a system application server unit 6, which are connected in sequence.
The mobile terminal unit 1 in this embodiment is an intelligent mobile terminal with an NFC function, and includes a smart phone, a tablet computer, and a dedicated mobile terminal device with an NFC reading function and corresponding control software; the user operation terminal platform is used for a system user to activate the system and send a distress signal and text information; the NFC Communication unit 2 is a Communication module for performing Near Field Communication (NFC) data interaction with a mobile terminal of a system user based on an NFC protocol, and is composed of an NFC receiving antenna and an NFC functional module in any form; completing activating the alarm system node in a non-contact or contact mode to send out a distress signal and completing information transmission between the user mobile terminal platform and the alarm system node device; the central processing control unit 3 is a microprocessor and related electronic circuits which are connected with the NFC communication unit and the LoRa communication node unit; the control operation, data preprocessing and information format conversion of the NFC communication unit and the LoRa communication node unit are completed; the loRa Node communication unit 4 is an electronic circuit module which is connected with the loRa gateway based on the loRa communication protocol and is used as the loRa Node for data transmission; any electronic circuit module under the control of a microprocessor or integrated with an embedded microprocessor to accomplish this function; the LoRa Gateway (Gateway) communication unit 5 is an electronic circuit module which is connected with a single path or multiple paths of LoRa communication nodes to form a network and performs data transmission based on a LoRa communication protocol; simultaneously, the LoRa gateway completes the conversion of a communication protocol, and transmits LoRa communication information with a background network server or an application server in an Ethernet or any preset wireless communication mode; the unit may be any electronic circuit module or device under the control of a microprocessor or integrated with an embedded microprocessor to perform this function; the system application server unit 6 is a unit module for performing data communication with the LoRa gateway device and performing data background operation, and comprises processing operations such as calculation, storage, display output and the like; the unit can be subdivided into network server, user application server and other background equipment of various forms of data on the framework; depending on the platform carrying the LoRa gateway, the communication between the background server and the LoRa gateway device may be any wireless or wired communication method.
This embodiment realizes a wearing formula emergency alarm system based on NFC and loRa communication technology, and it includes the following step and accomplishes the alarm information that sends the rescue target, includes the process of gathering through the positional information that mobile platform navigation provided etc.:
s1, a system user, namely an alarm implementation person, in an emergency situation, a mobile terminal platform with an NFC function, such as a smart phone or a tablet personal computer and the like, is close to the NFC/LoRa wearable emergency alarm front-end system device within about 10 cm; activating an alarm device in a contact or non-contact manner;
s2: the NFC/LoRa wearable emergency alarm front-end system is activated through NFC communication, and sends an emergency alarm signal through a preset frequency and a LoRa communication protocol;
s3, a system user inputs text alarm information through an application APP on the mobile terminal platform and can embed the environment information of physical position navigation and the like of the mobile terminal platform, and the mobile terminal is close to the NFC/LoRa wearable emergency alarm front-end device within about 10 cm; transmitting information to a wearable emergency alarm front-end device through NFC communication;
s4: the NFC/LoRa wearable emergency alarm front-end device integrates received user characters and other information in alarm information and sends the information through a preset frequency and a LoRa communication protocol;
s5: and the wearable emergency alarm background system sends the received alarm information to a background application server to complete the alarm information acquisition process.
Example two
As shown in fig. 3 of the drawings, the embodiment demonstrates and realizes a wearable emergency alarm system based on NFC and LoRa communication technologies, and completes the process of collecting alarm information sent out by a rescue target, including position information and the like provided by a mobile platform navigation system.
In this embodiment, a wearable emergency alarm system based on NFC and LoRa communication technologies includes an NFC/LoRa wearable alarm front-end system and an NFC/LoRa wearable alarm back-end system, and completes an alarm process and method of sending emergency alarm information in an NFC/LoRa node communication manner and receiving related information in an LoRa gateway communication back-end system; the specific embodiment may be composed of a mobile terminal unit 1, an NFC communication unit 2, a central processing control unit 3, a LoRa Node communication unit 4, a LoRa Gateway communication unit 5, and a system application server unit 6, which are connected in sequence.
The mobile terminal unit 1 in this embodiment is an intelligent mobile terminal with an NFC function, and includes a smart phone, a tablet computer, and a dedicated mobile terminal device with an NFC reading function and corresponding control software; the user operation terminal platform is used for a system user to activate the system and send a distress signal and text information; the NFC Communication unit 2 is a Communication module for performing Near Field Communication (NFC) data interaction with a mobile terminal of a system user based on an NFC protocol, and is composed of an NFC receiving antenna and an NFC functional module in any form; completing activating the alarm system node in a non-contact or contact mode to send out a distress signal and completing information transmission between the user mobile terminal platform and the alarm system node device; the central processing control unit 3 is a microprocessor and related electronic circuits which are connected with the NFC communication unit and the LoRa communication node unit; the control operation, data preprocessing and information format conversion of the NFC communication unit and the LoRa communication node unit are completed; the loRa Node communication unit 4 is an electronic circuit module which is connected with the loRa gateway based on the loRa communication protocol and is used as the loRa Node for data transmission; any electronic circuit module under the control of a microprocessor or integrated with an embedded microprocessor to accomplish this function; the LoRa Gateway (Gateway) communication unit 5 is an electronic circuit module which is connected with a single path or multiple paths of LoRa communication nodes to form a network and performs data transmission based on a LoRa communication protocol; simultaneously, the LoRa gateway completes the conversion of a communication protocol, and transmits LoRa communication information with a background network server or an application server in an Ethernet or any preset wireless communication mode; the unit may be any electronic circuit module or device under the control of a microprocessor or integrated with an embedded microprocessor to perform this function; the system application server unit 6 is a unit module for performing data communication with the LoRa gateway device and performing data background operation, and comprises processing operations such as calculation, storage, display output and the like; the unit can be subdivided into network server, user application server and other background equipment of various forms of data on the framework; depending on the platform carrying the LoRa gateway, the communication between the background server and the LoRa gateway device may be any wireless or wired communication method.
This embodiment realizes a wearing formula emergency alarm system based on NFC and loRa communication technology, and it includes the following step and accomplishes the alarm information that sends the rescue target, includes the process of gathering through the positional information that mobile platform navigation provided etc.:
s1, a system user, namely an alarm implementation person, in an emergency situation, a mobile terminal platform with an NFC function, such as a smart phone or a tablet personal computer and the like, is close to the NFC/LoRa wearable emergency alarm front-end system device within about 10 cm; activating an alarm device in a contact or non-contact manner;
s2: the NFC/LoRa wearable emergency alarm front-end system is activated through NFC communication, and sends an emergency alarm signal through a preset frequency and a LoRa communication protocol;
s3, a system user inputs text alarm information through an application APP on the mobile terminal platform and can embed the environment information of physical position navigation and the like of the mobile terminal platform, and the mobile terminal is close to the NFC/LoRa wearable emergency alarm front-end device within about 10 cm; transmitting information to a wearable emergency alarm front-end device through NFC communication;
s4: the NFC/LoRa wearable emergency alarm front-end device integrates received user characters and other information in alarm information and sends the information through a preset frequency and a LoRa communication protocol;
s5: wearable emergency alarm background system will be analyzed through loRa communication self-provided positioning function and obtain loRa node position information and send background application server through preset communication protocol, accomplish alarm information collection process.
Claims (10)
1. A wearable emergency alarm system based on NFC and LoRa communication technologies comprises an NFC/LoRa wearable alarm front-end system and an NFC/LoRa wearable alarm background system, and is used for completing an alarm process and a method of sending emergency alarm information in an NFC/LoRa node communication mode and receiving related information by a LoRa gateway communication background system; the method is characterized in that: the emergency alarm system and the method comprise a mobile terminal unit, an NFC communication unit, a central processing control unit, a LoRa Node communication unit, a LoRa Gateway communication unit and a system application server unit which are sequentially connected.
2. The wearable emergency alarm system based on the NFC and LoRa communication technologies according to claim 1, wherein the mobile terminal platform unit is an intelligent mobile terminal with an NFC function, and includes a smart phone, a tablet computer, and a dedicated mobile terminal device with an NFC reading function and corresponding control software; and the user operation terminal platform is used for a system user to activate the system and send distress signals and text messages.
3. The wearable emergency alarm system based on NFC and LoRa Communication technologies according to claim 1, wherein the NFC Communication unit is a Communication module for performing Near Field Communication (NFC) protocol-based Near Field Communication (NFC) data interaction with a mobile terminal of a system user, and is composed of an NFC receiving antenna in any form and an NFC functional module; and activating the alarm system to send out an alarm signal in a non-contact or contact mode, and completing the information transmission between the user mobile terminal platform and the alarm system node device.
4. A wearable emergency alarm system based on NFC and LoRa communication technologies according to claim 1, wherein the central processing and control unit is a microprocessor and related electronic circuits connected to the NFC communication unit and the LoRa communication node unit; and the control operation, the data preprocessing and the information format conversion of the NFC communication unit and the LoRa communication node unit are completed.
5. A wearable emergency alarm system based on NFC and LoRa communication technologies according to claim 1, wherein the LoRa Node communication unit is an electronic circuit module connected to the LoRa gateway based on LoRa communication protocol and configured to perform data transmission as the LoRa Node; and may be any electronic circuit module under the control of a microprocessor or integrated with an embedded microprocessor to accomplish this function.
6. The wearable emergency alarm system based on the NFC and LoRa communication technologies according to claim 1, wherein the LoRa Gateway (Gateway) communication unit is an electronic circuit module that is networked with one or more LoRa communication nodes based on the LoRa communication protocol and performs data transmission; simultaneously, the LoRa gateway completes the conversion of a communication protocol, and transmits LoRa communication information with a background network server or an application server in an Ethernet or any preset wireless communication mode; the unit may be any electronic circuit module or device under the control of a microprocessor or integrated with an embedded microprocessor to perform this function.
7. The wearable emergency alarm system based on the NFC and the LoRa communication technologies according to claim 1, wherein the system application server unit is a unit module which performs data communication with the LoRa gateway device and performs background data operation, and comprises processing operations such as calculation, storage, display output and the like; the unit can be subdivided into network server, user application server and other background equipment of various forms of data on the framework; depending on the platform carrying the LoRa gateway, the communication between the background server and the LoRa gateway device may be any wireless or wired communication method.
8. A wearable emergency alert system based on NFC and LoRa communication technologies as claimed in claim 1, wherein the wearable emergency alert front-end system can be any wearable device capable of integrating NFC communication unit, central processing unit and LoRa node unit, including but not limited to human body bracelet, belt, vest, etc.
9. A wearable emergency alarm system based on NFC and LoRa communication technologies according to claim 1, wherein the wearable emergency alarm background system may be an aircraft capable of remotely releasing LoRa gateway devices or other LoRa communication devices to a target area, providing a physical installation platform for LoRa communication devices, power supplies, and other auxiliary devices, and may include various types of unmanned aerial vehicles, parachuting devices, balloon emptiers, and other fast-releasing platforms.
10. A wearable emergency alert system based on NFC and LoRa communication technologies as claimed in claim 1, wherein the main system functions and method of emergency alert are described by the following procedures, including the procedure of obtaining navigation location information of a mobile terminal platform via NFC communication:
s1, a system user, namely an alarm implementation person, in an emergency situation, a mobile terminal platform with an NFC function, such as a smart phone or a tablet personal computer and the like, is close to the NFC/LoRa wearable emergency alarm front-end system device within about 10 cm; activating an alarm device in a contact or non-contact manner;
s2: the NFC/LoRa wearable emergency alarm front-end system is activated through NFC communication, and sends an emergency alarm signal through a preset frequency and a LoRa communication protocol;
s3, a system user inputs text alarm information through an application APP on the mobile terminal platform and can embed the environment information of physical position navigation and the like of the mobile terminal platform, and the mobile terminal is close to the NFC/LoRa wearable emergency alarm front-end device within about 10 cm; transmitting information to a wearable emergency alarm front-end device through NFC communication;
s4: the NFC/LoRa wearable emergency alarm front-end device integrates received user characters and other information in alarm information and sends the information through a preset frequency and a LoRa communication protocol;
s5: the wearable emergency alarm background system analyzes the received alarm information and the LoRa node position information obtained by the LoRa communication self-contained positioning function and sends the LoRa node position information to a background application server through a preset communication protocol to finish the alarm information acquisition process; the NFC function in step S1 is a function of receiving NFC format signals input to the mobile terminal 13.56MHz through the NFC sensor device by using an NFC (Near Field Communication) protocol, which includes an NFC (Near Field Communication) Communication line formed by any NFC (Near Field Communication) chip and a corresponding receiving antenna.
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| CN201911188125.0A CN110971261A (en) | 2019-11-28 | 2019-11-28 | Wearable emergency alarm system based on NFC and LoRa communication technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112085933A (en) * | 2020-10-17 | 2020-12-15 | 软铭信息技术（上海）有限公司 | Environment monitoring alarm method and system supporting multiple communication protocols |
| CN112450512A (en) * | 2020-12-25 | 2021-03-09 | 江南大学 | Female wolf-proof garment based on comprehensive positioning technology |
| CN112969171A (en) * | 2021-02-26 | 2021-06-15 | 徐逸轩 | Floating communication device, networking communication method thereof and data transmission method |
| US20220279329A1 (en) * | 2021-02-26 | 2022-09-01 | Yixuan Xu | Tethered aerostat communication device, network organizing method and data transmission method thereof |
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| CN113044079A (en) * | 2021-04-08 | 2021-06-29 | 哈尔滨市科佳通用机电股份有限公司 | Operation method of wireless locomotive signal code sending system, code sending block and remote controller |
| CN114987760A (en) * | 2022-05-10 | 2022-09-02 | 南京航空航天大学 | Wearable unmanned aerial vehicle and using method thereof |
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