CN213781176U - Earthquake emergency flow monitoring system based on Lora technology - Google Patents
Earthquake emergency flow monitoring system based on Lora technology Download PDFInfo
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- CN213781176U CN213781176U CN202120031799.6U CN202120031799U CN213781176U CN 213781176 U CN213781176 U CN 213781176U CN 202120031799 U CN202120031799 U CN 202120031799U CN 213781176 U CN213781176 U CN 213781176U
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Abstract
The utility model discloses an emergent mobile monitoring system of earthquake based on Lora technique, including seismometer, loRa unit, network server and terminal, the seismometer is integrated in the loRa unit, loRa unit and network server communication connection, network server and terminal communication connection, the loRa unit includes loRa gateway and a plurality of loRa node, loRa node and loRa gateway pass through wireless connection, the loRa node includes first host system, first loRa wireless communication module, seismometer, first loRa wireless communication module is connected with first host system respectively, the loRa gateway includes second host system, second loRa wireless communication module and 4GDTU modules. The utility model discloses network architecture is simple, and the Lora network is a lightweight network, uses star networking mode, and the station carries out wireless communication through Lora terminal radio frequency module and Lora basic station.
Description
Technical Field
The utility model belongs to earthquake disaster flow measurement field, concretely relates to emergent mobile monitoring system of earthquake based on Lora technique.
Background
In recent years, earthquake disasters frequently occur in China. Due to the characteristics of large destructiveness, difficult prediction, strong burstiness and the like of the earthquake, the earthquake emergency work has great influence on the social economy of China, and the earthquake emergency work draws wide attention of all social circles. Although China builds a large number of fixed monitoring stations such as strong earthquake tables, earthquake measurement tables and the like aiming at different monitoring purposes, if the earthquake does not occur in the monitoring range of a fixed table network or the density of a table network built in a major earthquake area is sparse, the opportunity of capturing earthquake records is increased by means of flow observation, the density of the table network is improved, and the monitoring blank is filled. The construction of the earthquake flow monitoring system is a main means for acquiring earthquake disaster information and is one of the primary tasks of emergency work.
The main technology of the seismic flow observation and monitoring system is a monitoring networking communication technology of a flow station: as the station is built in a short time, the station is mostly arranged in a field environment. Thus, wired transmission is limited by its short time to establish physical links, cabling is difficult to achieve. Meanwhile, due to the fact that the distance between the mobile station and the center of the station network is long, short-distance wireless communication technologies such as Wifi, zigbee and Bluetooth are not suitable for monitoring networking of the mobile station. The common GPRS/CDMA, 3G and 4G long-distance wireless communication technologies are mostly used, USIM cards of related transmission systems are required to be installed on transmission control modules of each station, point-to-point data transmission is carried out through a TCP/IP protocol, and a network center can communicate with a plurality of stations at the same time.
In the prior art, the communication technology aiming at the earthquake emergency mobile station based on the wireless GPRS/CDMA, 3G and 4G long-distance wireless communication technology has appeared, however, the following defects exist: firstly, each station transmission control module is required to be provided with a SIM/USIM card of a related transmission system, the use of the SIM/USIM card needs to be charged according to the flow of an operator, and under the condition of monitoring a plurality of mobile devices for a long time, the communication cost is high, and the flow use cost needs to be paid to the operator regularly. Secondly, the daily maintenance of the monitoring system needs to test and detect the USIM/SIM, once the condition of defaulting or burning out of the SIM/USIM card occurs, the platform can not normally communicate, and the maintenance method is complex. Thirdly, according to wireless transmission schemes of different systems, GPRS/CDMA, 3G and 4G network coverage areas need to be considered for erecting the stations, communication interruption is caused under the condition that no wireless network base station is covered in a remote monitoring environment, and emergency field monitoring and network distribution are not facilitated. Fourth, the wireless GPRS/CDMA, 3G and 4G remote wireless communication technology has large power consumption, and the communication module consumes large energy and occupies more electric energy resources under the condition that a rechargeable battery or a solar panel is needed for temporary power supply in flow observation, so that the whole operation of the system is not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an emergent mobile monitoring system of earthquake based on Lora technique has solved the unable low-power consumption monitoring that carries out in real time of the open-air mobile station of earthquake, guarantees that monitoring data gathers in real time and uploads to surveillance center network server.
In order to solve the above problems existing in the prior art, the utility model discloses the technical scheme who adopts is:
an earthquake emergency flow monitoring system based on a Lora technology comprises a LoRa unit, a network server and a terminal.
The LoRa unit is in communication connection with a network server, and the network server is in communication connection with a terminal.
The loRa unit includes loRa gateway and a plurality of loRa nodes, and is a plurality of the loRa node all passes through wireless connection with the loRa gateway.
Every the loRa node all includes first host system, first loRa wireless communication module and seismometer, first loRa wireless communication module are connected with first host system respectively, and the seismometer is used for monitoring seismic signal and conveys seismic signal to first host system, first host system is used for receiving seismic signal and conveys seismic signal to the loRa gateway through first loRa wireless communication module.
The LoRa gateway comprises a second main control module, a second LoRa wireless communication module and a 4G DTU module; second loRa wireless communication module, 4G DTU module all are connected with second host system, second loRa wireless communication module and first loRa wireless communication module communication connection, and second loRa wireless communication module is used for receiving the seismic signal that first loRa wireless communication module sent and sends for second host system, second host system is used for sending for network server through 4G DTU module after handling seismic signal.
The system has simple network architecture, the Lora network is a lightweight network, a star networking mode is used, and the station carries out wireless communication through the Lora terminal radio frequency module and the Lora base station. Meanwhile, the lora protocol stack is simple, and the radio frequency chip is low in price. The flow observation station does not need to install a SIM/USIM card for flow charging. The system communication cost is low.
The coverage range of the Lora base station is wide, the open area is up to more than 15km, and the whole coverage range exceeds that of the traditional cellular network. A plurality of mobile stations use the lora terminal radio frequency module to carry out communication transmission control, and the user need not to look for wireless base station, erects to use nimble convenience.
Furthermore, the network server and the terminal receive data acquired by the seismometer through the LoRa unit and display the data to a monitor, and meanwhile, the monitor can perform serial port parameter configuration (information such as channels and IDs) on the nodes and the gateway through the terminal.
Further, the chip model of the first LoRa wireless communication module is SX 1278.
Further, the chip model of the first master control module is STM32F103RCT 6.
Further, first main control module configures first LoRa wireless communication module through the SPI interface. The first LoRa wireless communication module adopts a LoRa remote modem, and sends the data of the LoRa terminal nodes to the LoRa gateway wirelessly by means of the LoRa patent modulation technology of SEMTECH.
Furthermore, the seismometer is generally arranged on a field soil layer or bedrock and mainly used for completing acquisition and conversion processing of earthquake emergency monitoring data, the seismometer is a strong seismometer and/or a seismometer and is used for acquiring earthquake emergency physical quantities such as acceleration, speed and the like, communication is carried out in a global free frequency range through a wireless antenna, a user selects a working frequency range (410 plus 525MHz) by himself, the use data are safer, and the overall maintenance is relatively simple.
Further, still include power module, power module is used for supplying power to whole lora node, adopts municipal administration power supply and solar panel power supply, cooperates the power supply mode of storage battery group simultaneously.
Further, the LoRa node further comprises a clock circuit and a reset circuit, and the clock circuit and the reset circuit are connected with the first master control module.
Further, the chip model of the second LoRa wireless communication module is SX 1278.
Further, the chip model of the second master control module is STM32F103RCT 6.
Furthermore, second master control module configures second LoRa wireless communication module through the SPI interface, realizes reading and controlling second LoRa wireless communication module's data.
Further, the 4G DTU module is connected with the second main control module through a UART.
Further, the second main control module is used for controlling power supply operation, power on/off operation and/or reset operation of the 4G DTU module.
Furthermore, the 4G DTU module supports a 4G network of an operator, and has the main functions of wirelessly transmitting Lora gateway data to a network server in a packet mode, receiving command control information sent by a user to the network server, embedding a TCP/IP protocol in the 4G DTU module, and determining the correctness of data transmission by the transmission quality of the network data of the 4G DTU module; the second LoRa wireless communication module is through wireless receiving LoRa node data, and low-power consumption is one of the key technology of LoRa technique, and the special application that is applicable to earthquake emergency flow and observes this type of inconvenient application scene of charging in field.
Further, the terminal is any one of a mobile phone, a tablet computer, a notebook computer and a desktop computer.
The utility model has the advantages that:
(1) the utility model discloses network architecture is simple, and the Lora network is a lightweight network, uses star networking mode, and the station carries out wireless communication through Lora terminal radio frequency module and Lora basic station. Meanwhile, the lora protocol stack is simple, and the radio frequency chip is low in price. The flow observation station does not need to install a SIM/USIM card for flow charging, and the communication cost of the system is low.
(2) The utility model discloses a wireless antenna is in the free frequency channel operation communication of global, and the user selects (410 supplyes 525MHz) interior working frequency channel by oneself, and the use data is safer, and the whole maintenance is simple relatively.
(3) The utility model discloses Lora basic station coverage is wide, and spacious region is up to more than 15km, and whole coverage exceeds traditional cellular network. A plurality of mobile stations use the lora terminal radio frequency module to carry out communication transmission control, and the user need not to look for wireless base station, erects to use nimble convenience.
(4) The utility model provides a low-power consumption is one of the key technology of lora technique, and the emergent flow of specially adapted earthquake surveys this type of inconvenient application scene of charging in field.
Drawings
FIG. 1 is a block diagram of the module connection of the present invention;
FIG. 2 is a schematic connection diagram of a second master control module shown in FIG. 1;
fig. 3 is a schematic connection diagram of a second LoRa wireless communication module in fig. 1;
FIG. 4 is a schematic connection diagram of the 4G DTU module in FIG. 1;
FIG. 5 is a schematic circuit diagram of the clock circuit of the present invention;
fig. 6 is a schematic circuit diagram of the reset circuit of the present invention;
FIG. 7 is a schematic connection diagram of the first master control module shown in FIG. 1;
fig. 8 is a connection diagram of the first LoRa wireless communication module in fig. 1;
FIG. 9 is a schematic diagram of the connection of the seismometer of FIG. 1.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and reference numerals.
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
Example 1:
as shown in fig. 1, an earthquake emergency flow monitoring system based on Lora technology includes an Lora unit, a network server and a terminal.
The LoRa unit is in communication connection with a network server, and the network server is in communication connection with a terminal.
The loRa unit includes loRa gateway and a plurality of loRa nodes, loRa node and loRa gateway pass through wireless connection.
The LoRa node comprises a first main control module, a first LoRa wireless communication module and a seismometer, wherein the seismometer and the first LoRa wireless communication module are respectively connected with the first main control module, the seismometer is used for monitoring seismic signals and transmitting the seismic signals to the first main control module, the first main control module receives the seismic signals and transmits the seismic signals to a LoRa gateway through the first LoRa wireless communication module.
The LoRa gateway comprises a second main control module, a second LoRa wireless communication module and a 4G DTU module; second loRa wireless communication module, 4G DTU module all are connected with second host system, second loRa wireless communication module and first loRa wireless communication module communication connection, and second loRa wireless communication module is used for receiving the seismic signal that first loRa wireless communication module sent and sends for second host system, second host system sends for network server through 4G DTU module after handling seismic signal.
The system has simple network architecture, the Lora network is a lightweight network, a star networking mode is used, and the station carries out wireless communication through the Lora terminal radio frequency module and the Lora base station. Meanwhile, the lora protocol stack is simple, and the radio frequency chip is low in price. The flow observation station does not need to install a SIM/USIM card for flow charging, and the communication cost of the system is low.
The coverage range of the Lora base station is wide, the open area is up to more than 15km, and the whole coverage range exceeds that of the traditional cellular network. A plurality of mobile stations use the lora terminal radio frequency module to carry out communication transmission control, and the user need not to look for wireless base station, erects to use nimble convenience.
Example 2:
as shown in fig. 1-9, an earthquake emergency flow monitoring system based on Lora technology includes an Lora unit, a network server and a terminal.
The LoRa unit is in communication connection with a network server, and the network server is in communication connection with a terminal.
The loRa unit includes loRa gateway and a plurality of loRa nodes, loRa node and loRa gateway pass through wireless connection.
The loRa node includes first host system, first loRa wireless communication module and seismometer, first loRa wireless communication module are connected with first host system respectively, and the seismometer is used for monitoring seismic signal and conveys seismic signal to first host system, first host system is used for receiving seismic signal and conveys seismic signal to the loRa gateway through first loRa wireless communication module.
The LoRa gateway comprises a second main control module, a second LoRa wireless communication module and a 4G DTU module; second loRa wireless communication module, 4G DTU module all are connected with second host system, second loRa wireless communication module and first loRa wireless communication module communication connection, and second loRa wireless communication module is used for receiving the seismic signal that first loRa wireless communication module sent and sends for second host system, second host system is used for sending for network server through 4G DTU module after handling seismic signal.
The system has simple network architecture, the Lora network is a lightweight network, a star networking mode is used, and the station carries out wireless communication through the Lora nodes and the Lora gateway. Meanwhile, the lora protocol stack is simple, and the radio frequency chip is low in price. The flow observation station does not need to install a SIM/USIM card for flow charging, and the communication cost is low.
The coverage range of the Lora base station is wide, the open area is up to more than 15km, and the whole coverage range exceeds that of the traditional cellular network. A plurality of mobile stations use the lora terminal radio frequency module to carry out communication transmission control, and the user need not to look for wireless base station, erects to use nimble convenience.
The network server and the terminal receive data collected by the seismometer through the LoRa unit and display the data to a monitor, and meanwhile, the monitor can perform serial port parameter configuration (information such as channels, IDs and the like) on the nodes and the gateway through the terminal.
The chip model of the first LoRa wireless communication module is SX 1278.
The chip model of the first main control module is STM32F103RCT 6.
First main control module passes through the SPI interface and disposes first loRa wireless communication module. The first LoRa wireless communication module adopts a LoRa remote modem, and sends the data of the LoRa terminal nodes to the LoRa gateway wirelessly by means of the LoRa patent modulation technology of SEMTECH.
The seismometer is generally arranged on a field soil layer or bedrock and mainly used for completing acquisition and conversion processing of earthquake emergency monitoring data, the seismometer is a strong seismometer and/or a seismometer and is used for acquiring earthquake emergency physical quantities such as acceleration, speed and the like, communication is carried out in a global free frequency band through a wireless antenna, a user automatically selects (410 plus 525MHz) working frequency bands, and China and southeast Asian regions are supported. The data is safer to use, and the overall maintenance is relatively simple.
Still include power module, power module is used for the power supply to whole lora node, adopts municipal power supply and solar panel power supply, cooperates the power supply mode of storage battery group simultaneously.
The first master control module is connected with the first power supply, and the second master control module is connected with the second power supply.
The chip model of the second LoRa wireless communication module is SX1278SX 1278.
The chip model of the second main control module is STM32F103RCT 6.
The second main control module configures the second LoRa wireless communication module through the SPI interface, and data reading and control of the second LoRa wireless communication module are achieved.
The 4G DTU module is connected with a second main control module through a UART, and the second main control module controls whether the 4G DTU module supplies power, is turned on and turned off and is reset.
The 4G DTU module supports a 4G network of an operator, and has the main functions of wirelessly transmitting Lora gateway data to a network server in a packet mode, receiving command control information sent by a user to the network server, embedding a TCP/IP protocol in the 4G DTU module, and determining the correctness of data transmission by the transmission quality of the network data of the 4G DTU module; the second LoRa wireless communication module is through wireless receiving LoRa node data, and low-power consumption is one of the key technology of LoRa technique, and the special application that is applicable to earthquake emergency flow and observes this type of inconvenient application scene of charging in field.
The terminal is any one of a mobile phone, a tablet computer, a notebook computer and a desktop computer.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (8)
1. The utility model provides an emergent mobile monitoring system of earthquake based on Lora technique which characterized in that: the system comprises an LoRa unit, a network server and a terminal;
the LoRa unit is in communication connection with a network server, and the network server is in communication connection with a terminal;
the LoRa unit comprises a LoRa gateway and a plurality of LoRa nodes, and the plurality of LoRa nodes are connected with the LoRa gateway in a wireless mode;
each LoRa node comprises a first main control module, a first LoRa wireless communication module and a seismometer, wherein the seismometer and the first LoRa wireless communication module are respectively connected with the first main control module, the seismometer is used for monitoring seismic signals and transmitting the seismic signals to the first main control module, and the first main control module is used for receiving the seismic signals and transmitting the seismic signals to a LoRa gateway through the first LoRa wireless communication module;
the LoRa gateway comprises a second main control module, a second LoRa wireless communication module and a 4G DTU module; second loRa wireless communication module, 4G DTU module are connected with second host system respectively, second loRa wireless communication module and first loRa wireless communication module communication connection, and second loRa wireless communication module is used for receiving the seismic signal that first loRa wireless communication module sent and sends seismic signal for second host system, second host system is used for sending for network server through 4G DTU module after handling seismic signal.
2. The Lora technology-based seismic emergency flow monitoring system of claim 1, wherein: the model of the first LoRa wireless communication module is SX 1278.
3. The Lora technology-based seismic emergency flow monitoring system of claim 1, wherein: the chip model of the first main control module is STM32F103RCT 6.
4. The Lora technology-based seismic emergency flow monitoring system of claim 1, wherein: the system further comprises a power supply module, wherein the power supply module is used for supplying power to the lora nodes.
5. The Lora technology-based seismic emergency flow monitoring system of claim 1, wherein: the LoRa node further comprises a clock circuit and a reset circuit, and the clock circuit and the reset circuit are respectively connected with the first main control module.
6. The Lora technology-based seismic emergency flow monitoring system of claim 2, wherein: the chip model of the second LoRa wireless communication module is SX1278SX 1278.
7. The Lora technology-based earthquake emergency flow monitoring system according to claim 3, wherein: the chip model of the second main control module is STM32F103RCT 6.
8. The Lora technology-based seismic emergency flow monitoring system of claim 1, wherein: the terminal is any one of a mobile phone, a tablet computer, a notebook computer and a desktop computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120031799.6U CN213781176U (en) | 2021-01-07 | 2021-01-07 | Earthquake emergency flow monitoring system based on Lora technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120031799.6U CN213781176U (en) | 2021-01-07 | 2021-01-07 | Earthquake emergency flow monitoring system based on Lora technology |
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| CN213781176U true CN213781176U (en) | 2021-07-23 |
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| CN202120031799.6U Active CN213781176U (en) | 2021-01-07 | 2021-01-07 | Earthquake emergency flow monitoring system based on Lora technology |
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