CN111696301A - Electric fire monitoring device and system based on LoRaWAN technology - Google Patents

Electric fire monitoring device and system based on LoRaWAN technology Download PDF

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Publication number
CN111696301A
CN111696301A CN202010318813.0A CN202010318813A CN111696301A CN 111696301 A CN111696301 A CN 111696301A CN 202010318813 A CN202010318813 A CN 202010318813A CN 111696301 A CN111696301 A CN 111696301A
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China
Prior art keywords
lorawan
data
parameters
fire monitoring
electrical
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Pending
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CN202010318813.0A
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Chinese (zh)
Inventor
张宇航
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Filler Smart Iot Technology Co ltd
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Filler Smart Iot Technology Co ltd
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Priority to CN202010318813.0A priority Critical patent/CN111696301A/en
Publication of CN111696301A publication Critical patent/CN111696301A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion
    • G08B17/06Electric actuation of the alarm, e.g. using a thermally-operated switch
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network-specific arrangements or communication protocols supporting networked applications
    • H04L67/02Network-specific arrangements or communication protocols supporting networked applications involving the use of web-based technology, e.g. hyper text transfer protocol [HTTP]
    • H04L67/025Network-specific arrangements or communication protocols supporting networked applications involving the use of web-based technology, e.g. hyper text transfer protocol [HTTP] for remote control or remote monitoring of the application
    • H04L67/55
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30Services specially adapted for particular environments, situations or purposes
    • H04W4/38Services specially adapted for particular environments, situations or purposes for collecting sensor information
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

The invention relates to the technical field of energy safety management, in particular to an electrical fire monitoring device and system based on LoRaWAN technology, wherein the electrical fire monitoring device based on LoRaWAN technology comprises: the system comprises an electrical information acquisition unit, a cable temperature sensing unit, a micro control unit, a power management unit and a LoRaWAN radio frequency unit, wherein communication and data transmission are carried out among all functional units. Electric fire monitored control system based on LoRaWAN technique includes: the system comprises an electric fire monitoring device based on a LoRaWAN technology, a LoRaWAN Internet of things gateway, an Internet of things access platform, parameter configuration and a SaaS platform, wherein communication and data transmission are carried out among all functional modules. The LoRaWAN technology-based electric fire monitoring device and system provided by the invention realize data transmission through the LoRaWAN technology, and have the advantages of high transmission signal quality, large transmission distance and low power consumption.

Description

Electric fire monitoring device and system based on LoRaWAN technology
Technical Field
The invention relates to the technical field of energy safety management, in particular to an electrical fire monitoring device and system based on LoRaWAN technology.
Background
Electric energy is one of the most important energy sources for human beings, has the advantages of cleanness and no pollution, and gradually replaces the traditional energy source. With the great increase of electricity consumption in production and living, electrical fire is a main disaster type, and the loss of lives and properties of people is increased day by day. Particularly, after the 21 st century, the electrical disasters of China become more severe, and the occurrence rate and the loss of lives and properties are all the top of all sorts. In the continuous development of the internet of things technology and the trend towards maturity, the intelligent equipment and the management system for the electrical fire depend on the traditional wiring mode, part of wireless modes utilize the 2G/3G/4G cellular network, and the mode of the type causes high construction cost, long construction period and inconvenient later maintenance of users.
Disclosure of Invention
The invention provides an electric fire monitoring device and system based on LoRaWAN technology, aiming at the technical problems that an electric fire monitoring system in the prior art depends on a traditional wiring mode, is difficult to install and deploy, troubleshoot and construct with high cost.
The technical scheme for solving the technical problems is as follows:
an electrical fire monitoring device based on LoRaWAN technology includes:
the electric information acquisition unit is used for acquiring electric parameters of the power grid;
the cable temperature sensing unit is used for acquiring the cable temperature parameters of the cable;
the micro control unit acquires electrical parameters from the electrical information acquisition unit and acquires linear temperature parameters from the cable temperature sensing unit; AD converting the electrical parameters and the linear temperature parameters into electricity utilization data;
the power supply management unit is used for providing the voltage required by each functional unit and distributing the corresponding voltage value to each functional unit through the micro-control unit;
and the LoRaWAN radio frequency unit is used for realizing bidirectional wireless communication with the Internet of things.
In a preferred embodiment, the electrical parameters of the power grid include: voltage, current, power, quantity of electricity, power quality, leakage, temperature, overvoltage, undervoltage, phase loss, and/or overcurrent parameters of the powered device.
In the preferred scheme, the method further comprises the following steps:
and the external storage unit is in data interaction with the micro control unit and is used for storing electrical parameters, linear temperature parameters, configuration information of each functional unit and operation data.
In the preferred scheme, the method further comprises the following steps:
and the display unit is in data interaction with the micro control unit and is used for displaying the electrical parameters, the line temperature parameters, the configuration information and the running state of the power grid in real time.
The invention also provides an electrical fire monitoring system based on LoRaWAN technology, which comprises:
the electric fire monitoring device based on the LoRaWAN technology is used for acquiring electric parameters of a power grid and line temperature parameters of a cable and performing AD conversion on the acquired data;
the LoRaWAN Internet of things gateway is used for establishing wireless communication with a LoRaWAN radio frequency unit in the electrical fire monitoring device and acquiring electrical parameters and line temperature parameters after AD conversion;
the system comprises an Internet of things access platform, a network state monitoring device and a data analysis and analysis device, wherein the Internet of things access platform is used for carrying out network parameter configuration on a LoRaWAN radio frequency unit and a LoRaWAN Internet of things gateway in an electrical fire monitoring device and carrying out network state monitoring, data normalization, analysis and data push service;
the SaaS platform is used for acquiring electrical parameters and line temperature parameters from the LoRaWAN Internet of things gateway and realizing data analysis, query and report; and monitoring the data and alarming when the data is abnormal.
In the preferred scheme, the LoRaWAN Internet of things gateway sends the electrical parameters and the line temperature parameters to the SaaS platform through a 4G network, a 5G network or a LAN network.
In a preferred embodiment, the SaaS platform includes:
the access management module is used for acquiring power utilization data from the LoRaWAN Internet of things gateway;
the data normalization module is used for calculating and normalizing the electricity utilization data;
the data storage module is used for acquiring and storing the processed power utilization data from the data normalization module;
and the data processing module is used for calling the electricity utilization data from the data storage module according to the input instruction, inquiring the electricity utilization data, monitoring whether the electricity utilization signal is abnormal or not, and sending an alarm instruction when the electricity utilization signal is abnormal.
In a preferred embodiment, the SaaS platform further includes:
and the query function module is used for inputting a query instruction to the data processing module, and acquiring and displaying data screened out according to the query instruction from the data processing module.
In a preferred embodiment, the SaaS platform further includes:
and the alarm function module is used for acquiring an alarm instruction from the data processing module and giving an alarm.
In a preferred embodiment, the SaaS platform further includes:
and the report function module is used for acquiring the power utilization data from the data processing module and outputting a classified report of the power utilization data.
The LoRaWAN technology-based electrical fire monitoring device and system provided by the invention at least have the following beneficial effects or advantages:
the invention provides an electrical fire monitoring device based on LoRaWAN technology, which is characterized in that an electrical information acquisition unit is used for acquiring electrical parameters of a power grid, a cable temperature sensing unit is used for acquiring line temperature parameters of a cable, a micro control unit is used for acquiring the electrical parameters from the electrical information acquisition unit, and the cable temperature sensing unit is used for acquiring the line temperature parameters; AD converting the electrical parameters and the linear temperature parameters into electricity utilization data; and bidirectional wireless communication with the Internet of things is realized through the LoRaWAN radio frequency unit. The invention provides an electric fire monitoring system based on LoRaWAN technology, which establishes wireless communication through a LoRaWAN Internet of things gateway and a LoRaWAN radio frequency unit in an electric fire monitoring device, acquires electric parameters and line temperature parameters after AD conversion, performs network parameter configuration on the LoRaWAN radio frequency unit and the LoRaWAN Internet of things gateway in the electric fire monitoring device through an Internet of things access platform, performs network state monitoring, data normalization, analysis and data push service, and acquires the electric parameters and the line temperature parameters from the LoRaWAN Internet of things gateway through a SaaS platform to realize data analysis, query and report; and monitoring the data and alarming when the data is abnormal. Therefore, the LoRaWAN technology-based electric fire monitoring device and system provided by the invention realize data transmission through the LoRaWAN technology, and have the advantages of high transmission signal quality, large transmission distance and low power consumption; in addition, data transmission is realized through the LoRaWAN technology, and a large amount of wiring is not needed, so that the technical problems of difficulty in installation and deployment, difficulty in troubleshooting and high construction cost are solved. The electric fire monitoring device and system based on the LoRaWAN technology can monitor and process each parameter of the power grid in real time, alarm in time when abnormity occurs, and can effectively avoid serious consequences caused by fire.
Drawings
Fig. 1 is a schematic structural diagram of an electrical fire monitoring apparatus based on the LoRaWAN technology according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electrical fire monitoring system based on the LoRaWAN technology according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a SaaS platform according to an embodiment of the present invention.
The system comprises an electrical fire monitoring device 1, a micro control unit 11, an electrical information acquisition unit 12, a power management unit 13, a cable temperature sensing unit 14, a display unit 15, an external storage unit 16, a LoRaWAN radio frequency unit 17, a 2-LoRaWAN Internet of things gateway, a 3-Internet of things access platform, a 4-SaaS platform, an access management module 41, a data normalization module 42, a data storage module 43, a data processing module 44, a query function module 45, an alarm function module 46, a report function module 47 and a big data analysis function module 48.
Detailed Description
The invention provides an electric fire monitoring device 1 and system based on LoRaWAN technology, aiming at the technical problems that an electric fire monitoring system in the prior art depends on a traditional wiring mode, is difficult to install and deploy, troubleshoot and construct with high cost.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1, the present embodiment provides an electrical fire monitoring apparatus based on LoRaWAN technology, which mainly includes: the system comprises an electrical information acquisition unit 12, a cable temperature sensing unit 14, a micro control unit 11, a power management unit 13, a LoRaWAN radio frequency unit 17 and other functional modules. Wherein:
the electrical information acquisition unit 12 is used for acquiring electrical parameters of the power grid; the electrical parameters of the utility grid include: the voltage, current, power, electric quantity, electric quality, electric leakage, temperature, overvoltage, undervoltage, phase loss and/or overcurrent parameters of the electric equipment and the like. The cable temperature sensing unit 14 is used for acquiring a cable temperature parameter; the cable temperature sensing unit 14 adopts a series of temperature sensors, the temperature sensors are buried near the cable, the temperature sensors collect the wire temperature parameters and upload the wire temperature parameters to the micro control unit 11, and the transmission mode adopts wired or wireless communication. The micro-control unit 11 is used for acquiring electrical parameters from the electrical information acquisition unit 12 and acquiring linear temperature parameters from the cable temperature sensing unit 14; and AD converting the electrical parameters and the linear temperature parameters into electricity utilization data. In this embodiment, the micro control unit 11 is a single chip microcomputer. The power management unit 13 is used for providing the voltage required by each functional unit, and distributing the corresponding voltage value to each functional unit through the micro control unit 11 to provide the required voltage for each functional unit. LoRaWAN radio frequency unit 17 is used for realizing the two-way wireless communication with the thing networking.
In order to realize backup of data and facilitate calling of data, the electrical fire monitoring apparatus 1 based on the LoRaWAN technology provided in this embodiment is further provided with an external storage unit 16. The external storage unit 16 is in data interaction with the micro control unit 11 and is used for storing electrical parameters, linear temperature parameters, configuration information of each functional unit and operation data. In this embodiment, the external storage unit 16 is connected to the micro control unit 11 through a port.
The electric fire monitoring device based on LoRaWAN technique that this embodiment provided still includes: a display unit 15; the display unit 15 is in data interaction with the micro control unit 11 and is used for displaying electric parameters, line temperature parameters, configuration information and the running state of the power grid in real time. In the embodiment of the present invention, the display unit 15 is a liquid crystal display.
Example two
Referring to fig. 2, an embodiment of the present invention further provides an electrical fire monitoring system based on the LoRaWAN technology, including: electric fire monitoring device 1, LoRaWAN thing networking gateway 2, thing networking access platform 3 and SaaS platform 4 based on LoRaWAN technique. Wherein:
the electric fire monitoring device 1 based on the LoRaWAN technology is used for collecting electric parameters of a power grid and linear temperature parameters of a cable and carrying out AD conversion on the collected data. The LoRaWAN internet of things gateway 2 is used for establishing wireless communication with the LoRaWAN radio frequency unit 17 in the electrical fire monitoring device 1, and acquiring electrical parameters and line temperature parameters after AD conversion. The internet of things access platform 3 is used for configuring network parameters of the LoRaWAN radio frequency unit 17 and the LoRaWAN internet of things gateway 2 in the electrical fire monitoring device 1, and performing network state monitoring, data normalization, analysis and data push services. The SaaS platform 4 is used for acquiring electrical parameters and line temperature parameters from the LoRaWAN Internet of things gateway 2 and realizing data analysis, query and report; monitoring data and alarming when the data is abnormal; in this embodiment, the LoRaWAN internet of things gateway 2 sends the electrical parameters and the line temperature parameters to the SaaS platform 4 through a 4G, 5G or LAN network.
Referring to fig. 2 and 3, the SaaS platform 4 includes: the system comprises an access management module 41, a data normalization module 42, a data storage module 43, a data processing module 44, an inquiry function module 45, an alarm function module 46, a report function module 47 and a big data analysis function module 48.
The access management module 41 is used for acquiring power utilization data from the LoRaWAN Internet of things gateway 2, and the data are transmitted through a 4G network, a 5G network or a LAN network.
The data normalization module 42 calculates and normalizes the power consumption data to facilitate processing of huge and complex data.
The data storage module 43 obtains and stores the processed power utilization data from the data normalization module 42, and the data storage module 43 has a read-write function, so that the data can be conveniently called and modified.
The data processing module 44 is configured to retrieve the power consumption data from the data storage module 43 according to the input instruction, query the power consumption data, monitor whether the power consumption signal is abnormal, and send an alarm instruction when the power consumption signal is abnormal; and in the data monitoring process, comparing the acquired real-time data with the set standard data, and if the deviation is within the set interval range, determining that the power utilization signal is abnormal.
The query function module 45 is configured to input a query instruction to the data processing module 44, and obtain and display data screened according to the query instruction from the data processing module 44; and in the data query process, the data screening condition is set through the query instruction, so that the data meeting the condition is filtered out and output and displayed.
The alarm function module 46 is used for obtaining an alarm instruction from the data processing module 44 and giving an alarm.
The report function module 47 is used for acquiring the power consumption data from the data processing module 44, classifying the power consumption data to output a report, and can be connected with a printer and other devices to realize data output. The big data analysis function 48 is used to obtain data from the data processing module 44 and perform big data analysis.
The LoRaWAN technology-based electrical fire monitoring device and system provided by the embodiment of the invention at least have the following beneficial effects or advantages:
according to the electric fire monitoring device based on the LoRaWAN technology, the electric parameters of a power grid are collected through the electric information collection unit, the wire temperature parameters of a wire cable are collected through the wire cable temperature sensing unit, the electric parameters are obtained from the electric information collection unit through the micro control unit, and the wire temperature parameters are obtained from the wire cable temperature sensing unit; AD converting the electrical parameters and the linear temperature parameters into electricity utilization data; and bidirectional wireless communication with the Internet of things is realized through the LoRaWAN radio frequency unit. According to the electric fire monitoring system based on the LoRaWAN technology, wireless communication is established through the LoRaWAN Internet of things gateway and the LoRaWAN radio frequency unit in the electric fire monitoring device, electric parameters and line temperature parameters after AD conversion are obtained, network parameter configuration is carried out on the LoRaWAN radio frequency unit and the LoRaWAN Internet of things gateway in the electric fire monitoring device through the Internet of things access platform, network state monitoring, data normalization, analysis and data push service are carried out, the electric parameters and the line temperature parameters are obtained from the LoRaWAN Internet of things gateway through the SaaS platform, and data analysis, query and report are achieved; and monitoring the data and alarming when the data is abnormal. Therefore, the LoRaWAN technology-based electric fire monitoring device and system provided by the embodiment of the invention realize data transmission through the LoRaWAN technology, and have the advantages of high transmission signal quality, large transmission distance and low power consumption; in addition, data transmission is realized through the LoRaWAN technology, and a large amount of wiring is not needed, so that the technical problems of difficulty in installation and deployment, difficulty in troubleshooting and high construction cost are solved. The LoRaWAN technology-based electrical fire monitoring device and system provided by the embodiment of the invention can monitor and process each parameter of the power grid in real time, alarm in time when abnormity occurs, and can effectively avoid serious consequences caused by fire.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (10)

1. An electrical fire monitoring device based on LoRaWAN technique, characterized by includes:
the electric information acquisition unit (12) is used for acquiring electric parameters of the power grid;
the cable temperature sensing unit (14) is used for acquiring the wire temperature parameters of the cable;
the micro-control unit (11) acquires electrical parameters from the electrical information acquisition unit (12) and acquires linear temperature parameters from the cable temperature sensing unit (14); AD converting the electrical parameters and the linear temperature parameters into electricity utilization data;
the power supply management unit (13) is used for providing the voltage required by each functional unit and distributing the corresponding voltage value to each functional unit through the micro control unit (11);
and the LoRaWAN radio frequency unit (17) is used for realizing bidirectional wireless communication with the Internet of things.
2. An electrical fire monitoring device based on LoRa technology as claimed in claim 1, wherein the electrical parameters of the power grid include: voltage, current, power, quantity of electricity, power quality, leakage, temperature, overvoltage, undervoltage, phase loss, and/or overcurrent parameters of the powered device.
3. An electrical fire monitoring apparatus based on LoRaWAN technology as claimed in claim 1, further comprising:
and the external storage unit (16) is in data interaction with the micro control unit (11) and is used for storing the electrical parameters, the linear temperature parameters, the configuration information of each functional unit and the operation data.
4. An electrical fire monitoring apparatus based on LoRaWAN technology as claimed in claim 1, further comprising:
and the display unit (15) is in data interaction with the micro control unit (11) and is used for displaying the electrical parameters, the line temperature parameters, the configuration information and the running state of the power grid in real time.
5. An electrical fire monitoring system based on LoRaWAN technique, includes:
the electric fire monitoring device (1) based on the LoRaWAN technology is used for acquiring electric parameters of a power grid and line temperature parameters of a cable and performing AD conversion on acquired data;
the LoRaWAN internet of things gateway (2) is used for establishing wireless communication with a LoRaWAN radio frequency unit (17) in the electrical fire monitoring device (1) and acquiring electrical parameters and line temperature parameters after AD conversion;
the system comprises an Internet of things access platform (3) and a data processing system, wherein the Internet of things access platform is used for carrying out network parameter configuration on a LoRaWAN radio frequency unit (17) and a LoRaWAN Internet of things gateway (2) in an electrical fire monitoring device (1) and carrying out network state monitoring, data normalization, analysis and data push service;
the SaaS platform (4) is used for acquiring electrical parameters and line temperature parameters from the LoRaWAN Internet of things gateway (2) and realizing data analysis, query and report; and monitoring the data and alarming when the data is abnormal.
6. A LoRaWAN technology based electrical fire monitoring system according to claim 5, characterized in that LoRaWAN Internet of things gateway (2) sends electrical parameters and line temperature parameters to the SaaS platform (4) through 4G, 5G or LAN network.
7. LoRaWAN technology based electrical fire monitoring system according to claim 5, characterized in that the SaaS platform (4) comprises:
the access management module (41) is used for acquiring power utilization data from the LoRaWAN Internet of things gateway (2);
the data normalization module (42) is used for calculating and normalizing the electricity utilization data;
the data storage module (43) is used for acquiring and storing the processed electricity utilization data from the data normalization module (42);
and the data processing module (44) is used for calling the electricity utilization data from the data storage module (43) according to the input instruction, inquiring the electricity utilization data, monitoring whether the electricity utilization signal is abnormal or not, and sending an alarm instruction when the electricity utilization signal is abnormal.
8. LoRaWAN technology based electrical fire monitoring system according to claim 7, characterized in that the SaaS platform (4) further comprises:
and the query function module (45) is used for inputting a query instruction to the data processing module (44), and acquiring and displaying data screened according to the query instruction from the data processing module (44).
9. LoRaWAN technology based electrical fire monitoring system according to claim 7, characterized in that the SaaS platform (4) further comprises:
and the alarm function module (46) is used for acquiring an alarm instruction from the data processing module (44) and giving an alarm.
10. LoRaWAN technology based electrical fire monitoring system according to claim 7, characterized in that the SaaS platform (4) further comprises:
and the report function module (47) is used for acquiring the electricity utilization data from the data processing module (44) and outputting a classified report of the electricity utilization data.
CN202010318813.0A 2020-04-21 2020-04-21 Electric fire monitoring device and system based on LoRaWAN technology Pending CN111696301A (en)

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