CN112987083A - Node instrument state data recovery system based on LORA - Google Patents
Node instrument state data recovery system based on LORA Download PDFInfo
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- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/22—Transmitting seismic signals to recording or processing apparatus
- G01V1/223—Radioseismic systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/24—Recording seismic data
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. analysis, for interpretation, for correction
- G01V1/32—Transforming one recording into another or one representation into another
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- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
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Abstract
The invention discloses a node instrument state data recovery system based on LORA, and belongs to the field of seismic exploration and acquisition instruments. The node instrument state data recovery system comprises a master control ARM module, a power supply module, a data acquisition module, a GPS module, a test module, a temperature sensor module, a data storage module and an LORA module which are connected with the master control ARM module, and further comprises a detector, an LORA gateway and a monitoring center. The LORA module and the main control ARM module complete communication and then send received data to the LORA gateway, and the LORA gateway converts the received data into flow data and then sends the flow data to the monitoring center. The LORA-based node instrument state data recovery system provided by the invention is convenient to operate and use, can complete the state monitoring of a seismic instrument and the real-time return of test data, improves the efficiency of seismic exploration construction, reduces the cost, ensures the reliability of seismic data acquisition data, and has great advantages in stability and convenience.
Description
Technical Field
The invention relates to the technical field of seismic exploration and acquisition instruments, in particular to a node instrument state data recovery system based on LORA.
Background
The seismic instrument is the core equipment of seismic exploration and is responsible for completing the acquisition and recording of field seismic data. Seismic instruments are mainly divided into two types, namely wired systems and wireless (node) systems, and the node systems can be subdivided into three main types: the system comprises a real-time data returning system, a partial data returning system and an autonomous acquisition system.
With the increasing complexity of oil and gas exploration targets and the increasing complexity of surface conditions, wired systems have a plurality of problems, on one hand, the wired systems are difficult to arrange on the complex surface, and a great safety risk also exists in the arrangement process; on the other hand, once the cable system has a fault in arrangement, the cable system needs to wait for processing before the cable system can be arranged and collected. These difficulties directly affect the benefit, quality and safety of construction. Most of the traditional node seismic instruments cannot monitor the instrument state and recover data in real time, and the quality of the data collected by the node seismic instruments cannot be guaranteed.
Disclosure of Invention
Accordingly, the present invention provides a Long Range (LORA) based node device status data recovery system to solve the above-mentioned problems in the background art.
In order to achieve the purpose, the invention provides the following scheme:
a LORA-based node instrument state data recovery system, the node instrument state data recovery system comprising: the system comprises a node type earthquake acquisition instrument, an LORA gateway and a monitoring center; data transmission is carried out between the node type seismic acquisition instrument and the LORA gateway by adopting a standard LORAWAN protocol; the LORA gateway and the monitoring center are in wireless communication;
the nodal type seismic acquisition instrument includes: the device comprises a power supply module, a main control ARM module, a data acquisition module, a GPS module, a test module, a temperature sensor module, a data storage module, a detector and a LORA module;
the power supply module is connected with the main control ARM module; the main control ARM module is used for collecting the voltage and the electric quantity of a battery pack in the power supply module;
one end of the data acquisition module is connected with the detector, and the other end of the data acquisition module is connected with the main control ARM module; the detector is used for collecting ground vibration signals; the data acquisition module is used for sending the ground vibration signal to the main control ARM module; the main control ARM module is also used for acquiring the sampling rate of the data acquisition module;
the GPS module is connected with the main control ARM module; the GPS module is used for collecting position and clock information and sending the position and clock information to the main control ARM module; the position and clock information comprises the number of satellite positioning, the state of a GPS, the positioning type, the GPS time and the GPS longitude and latitude;
the test module is connected with the main control ARM module; the test module is used for testing the node type earthquake acquisition instrument according to the control of the main control ARM module, acquiring test data by the data acquisition module and sending the test data to the main control ARM module; the test data comprises instrument noise, environmental noise, signal amplitude, dynamic range and harmonic distortion of the node type seismic acquisition instrument, and natural frequency, damping and sensitivity of the geophone;
the temperature sensor module is connected with the main control ARM module; the temperature sensor module is used for acquiring the internal temperature of the node type earthquake acquisition instrument during working and sending the internal temperature to the main control ARM module;
the data storage module is connected with the main control ARM module; the main control ARM module is used for acquiring a storage space of the data storage module;
the main control ARM module compresses the acquired voltage and electric quantity of the battery pack, the ground vibration signal, the sampling rate, the position and clock information, the test data, the internal temperature, the storage space and the equipment information of the node type earthquake acquisition instrument into a module state data packet; the equipment information comprises an equipment number, a line number and a pile number of the node type seismic acquisition instrument;
the LORA module is connected with the main control ARM module; the LORA module converts the module state data packet into an LORA data packet and sends the LORA data packet to the LORA gateway;
and the LORA gateway converts the LORA data packet into a flow data packet and sends the flow data packet to the monitoring center.
Optionally, the power module is further connected to the data acquisition module, the GPS module, the test module, the temperature sensor module, and the data storage module; the power module is used for supplying power to the main control ARM module, the data acquisition module, the GPS module, the test module, the temperature sensor module and the data storage module.
Optionally, the power module includes a battery pack, a battery protection circuit, and a battery control and charging management circuit; one end of the battery protection circuit is connected with the battery pack, and the other end of the battery protection circuit is connected with the battery control and charging management circuit; the battery control and charging management circuit is respectively connected with the main control ARM module, the data acquisition module, the GPS module, the test module, the temperature sensor module and the data storage module.
Optionally, the data acquisition module includes an analog signal conditioning and input protection circuit and a data sampling unit, which are connected in sequence; one end of the analog signal conditioning and input protection circuit is connected with the detector, and the other end of the analog signal conditioning and input protection circuit is connected with one end of the data sampling unit; the other end of the data sampling unit is connected with the main control ARM module.
Optionally, the data sampling unit adopts a 32-bit analog-to-digital conversion acquisition chip.
Optionally, the GPS module is connected to the main control ARM module through a serial port.
Optionally, the test module includes a test signal generator and a test signal driver; one end of the test signal generator is connected with the main control ARM module, and the other end of the test signal generator is connected with one end of the test signal driver; the other end of the test signal driver is connected with the analog signal conditioning and input protection circuit;
the main control ARM module controls the test signal generator to generate a sine digital signal; the sine digital signal completes digital-to-analog conversion through the test signal driver to generate a sine analog signal; the sinusoidal simulation signal is used for testing the node type seismic acquisition instrument.
Optionally, the data storage module is configured to store data in the module status data packet and seismic acquisition data.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects:
the invention provides a node instrument state data recovery system based on LORA, which belongs to the field of seismic exploration acquisition instruments and comprises a master control ARM module, a power supply module, a data acquisition module, a GPS module, a test module, a temperature sensor module, a data storage module, an LORA module, a detector, an LORA gateway and a monitoring center, wherein the power supply module, the data acquisition module, the GPS module, the test module, the temperature sensor module, the data storage module and the LORA module are connected with the master control ARM module. The LORA module and the main control ARM module complete communication and then send received data to the LORA gateway, and the LORA gateway converts the received data into flow data and then sends the flow data to the monitoring center. The LORA-based node instrument state data recovery system provided by the invention is convenient to operate and use, can complete the state monitoring of a seismic instrument and the real-time return of test data, improves the efficiency of seismic exploration construction, reduces the cost, ensures the reliability of seismic data acquisition data, and has great advantages in stability and convenience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings provided by the present invention without any creative effort.
Fig. 1 is a schematic diagram of a wireless communication method of a system for recovering status data of a node device based on LORA according to the present invention;
fig. 2 is a functional block diagram of a field collection node of the system for recovering state data of a node device based on LORA according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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 given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide a node instrument state data recovery system based on LORA, which applies the LORA communication technology to seismic exploration data acquisition and transmits instrument state data to a monitoring center through wireless communication to realize the state data recovery of node seismic instrument equipment.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Fig. 1 is a schematic diagram of a wireless communication mode of a system for recovering status data of a node device based on LORA according to the present invention. Referring to fig. 1, the system for recovering state data of a node device based on LORA according to the present invention includes: node type seismic acquisition instruments 12, a LORA gateway 10, and a monitoring center 11. The node type seismic acquisition instrument 12 and the LORA gateway 10 adopt a standard LORAWAN protocol for data transmission; the LORA gateway 10 and the monitoring center 11 perform wireless communication.
Fig. 2 is a functional block diagram of a field collection node of the system for recovering state data of a node device based on LORA according to the present invention. Referring to fig. 2, the nodal seismic acquisition instrument 12 of the present invention specifically includes: the device comprises a power module 1, a main control ARM module 2, a data acquisition module 3, a GPS module 4, a test module 5, a temperature sensor module 6, a data storage module 7, a detector 8 and a LORA module 9.
The power supply module 1 is connected with the main control ARM module 2; and the main control ARM module 2 is used for collecting the voltage and the electric quantity of the battery pack in the power module 1.
One end of the data acquisition module 3 is connected with the detector 8, and the other end of the data acquisition module 3 is connected with the main control ARM module 2. The detector 8 is used for collecting ground vibration signals. The data acquisition module 3 is used for sending the ground vibration signal to the main control ARM module 2. The main control ARM module 2 is also used for acquiring the sampling rate of the data acquisition module 3.
The GPS module 4 is connected with the main control ARM module 2; the GPS module 4 is used for collecting position and clock information and sending the position and clock information to the main control ARM module 2. The position and clock information includes the number of satellite positions, the state of the GPS, the type of position, the GPS time, and the GPS latitude and longitude.
The test module 5 is connected with the main control ARM module 2; the test module 5 is used for testing the node type seismic acquisition instrument 12 according to the control of the main control ARM module 2, and the data acquisition module 3 acquires test data and sends the test data to the main control ARM module 2. The test data includes instrument noise, environmental noise, signal amplitude, dynamic range, harmonic distortion of the nodal seismic acquisition instrument 12, and natural frequency, damping, sensitivity of the geophone 8.
The temperature sensor module 6 is connected with the main control ARM module 2; the temperature sensor module 6 is used for collecting the internal temperature of the node type seismic acquisition instrument 12 during working and sending the internal temperature to the main control ARM module 2.
The data storage module 7 is connected with the main control ARM module 2; and the main control ARM module 2 is used for acquiring the storage space of the data storage module 7.
The main control ARM module 2 compresses the acquired voltage and electric quantity of the battery pack, the ground vibration signal, the sampling rate, the position and clock information, the test data, the internal temperature, the storage space and the equipment information of the node type earthquake acquisition instrument 12 into a module state data packet; the equipment information includes the equipment number, line number, and stake number of the nodal-type seismic acquisition instrument 12.
The LORA module 9 is connected with the main control ARM module 2; the main control ARM module 2 communicates with the LORA module 9 through an SPI (Serial Peripheral Interface). The LORA module 9 converts the module status data packet into an LORA data packet, and then sends the LORA data packet to the LORA gateway 10.
The LORA gateway 10 is configured to receive the LORA packet, convert the LORA packet into a traffic packet, and send the traffic packet to the monitoring center 11.
The monitoring center 11 is used for checking the module states of the data acquisition module 3, the GPS module 4 and the data storage module 7 in the flow data packet, the test data of the test module 5 and the temperature data of the temperature sensor 6.
The node type earthquake acquisition instrument 12 (node instrument 12 for short) is deployed on a wave detection point, and a main control ARM module 2 in the instrument 12 can read the module states of a power supply module 1, a data acquisition module 3, a GPS module 4, a test module 5, a temperature sensor module 6 and a data storage module 7. The node type earthquake acquisition instrument 12 and the LORA gateway 10 complete communication, the LORA gateway 10 and the monitoring center 11 complete communication, and functions of state, parameter setting, instrument testing, data recovery, data analysis and the like of the node type earthquake acquisition instrument 12 can be achieved.
Specifically, the power module 1 is further connected to the data acquisition module 3, the GPS module 4, the test module 5, the temperature sensor module 6, and the data storage module 7; the power supply module 1 is used for supplying power to the main control ARM module 2, the data acquisition module 3, the GPS module 4, the test module 5, the temperature sensor module 6 and the data storage module 7.
Referring to fig. 2, the power module 1 specifically includes a battery pack, a battery protection circuit, and a battery control and charging management circuit. One end of the battery protection circuit is connected with the battery pack, and the other end of the battery protection circuit is connected with the battery control and charging management circuit. The battery control and charging management circuit is respectively connected with the main control ARM module 2, the data acquisition module 3, the GPS module 4, the test module 5, the temperature sensor module 6 and the data storage module 7 for power supply.
The battery pack adopts a standard 18650 lithium battery core body combination scheme, the battery protection circuit has the functions of overcurrent, overvoltage, undervoltage, overcharge and overdischarge circuit protection, and balance among the battery core bodies can be well kept under the condition of high-strength use. Meanwhile, the battery control and charging management circuit improves the switching efficiency of the multi-path DC/DC voltage reducer, optimizes a power supply load distribution network, and can ensure that the requirements of each unit module in the instrument 12 on the supply current and the power supply purity are met by matching with a high-frequency noise suppression measure.
The main control ARM module 2 adopts a low-power-consumption embedded control flow and is used for managing the operation of functional modules such as data acquisition, positioning and time service, wireless communication, power supply management and the like, and realizing state monitoring, state control and task scheduling of functional units in each station.
As shown in fig. 2, the data acquisition module 3 includes an analog signal conditioning and input protection circuit and a data sampling unit, which are connected in sequence. One end of the analog signal conditioning and input protection circuit is connected with the detector 8, and the other end of the analog signal conditioning and input protection circuit is connected with one end of the data sampling unit; the other end of the data sampling unit is connected with the main control ARM module 2.
The data sampling unit adopts a 32-bit analog-to-digital conversion acquisition chip. The data acquisition module 3 adopts a 32-bit analog-to-digital conversion acquisition chip to complete A/D conversion, 4-channel data acquisition and self-state detection. The 32-bit analog-to-digital conversion acquisition chip is internally composed of an analog switch, a programmable gain amplifier, a 32-bit A/D and a system test circuit, and can be completed with the help of a test signal generator: dynamic range, signal-to-noise ratio, passband and stopband characteristics, full link performance of interchannel crosstalk, and quantitative detection of module state.
And the GPS module 4 is connected with the main control ARM module through a serial port. The GPS module 4 is provided with a synchronous time reference by a GPS and high-precision clock combined time service module, and is provided with a compensation clock when the satellite is synchronously unlocked by a high-stability clock source, so that a local area time synchronous reference under a low power consumption condition is established, and wide area system level synchronous acquisition in a strict sense is realized.
As shown in fig. 2, the test module 5 includes a test signal generator and a test signal driver. One end of the test signal generator is connected with the main control ARM module 2, and the other end of the test signal generator is connected with one end of the test signal driver; the other end of the test signal driver is connected with the analog signal conditioning and input protection circuit.
The main control ARM module 2 controls the test signal generator to generate a sine digital signal; the sine digital signal completes digital-to-analog conversion through the test signal driver to generate a sine analog signal; the sinusoidal simulation signal is used for testing the node type seismic acquisition instrument.
When a cable-free seismic instrument system is tested, the main control ARM module 2 controls the test signal generator to generate sine signals, digital-to-analog conversion is completed through the test signal driver, analog-to-digital conversion is completed through the acquisition module 3, data reach the main control ARM module 2, the main control ARM module 2 transmits the data through the LORA module 9, and the parameters such as instrument noise, environmental noise, signal amplitude, dynamic range, harmonic distortion and natural frequency, damping and sensitivity of the wave detector 8 of the node instrument 12 can be transmitted.
The temperature sensor module 6 is used for monitoring the temperature of the instrument 12, and the main control ARM module 2 transmits temperature data through the LORA module 9.
The data storage module 7 is configured to store data in the module status data packet, seismic acquisition data, and device information of the node instrument 12.
The detector 8 is a sensor, and is used to convert a received vibration signal into an electrical signal or other types of signals, and then complete data conversion on the signals through the data acquisition module 3, and convert an analog signal into a digital signal, thereby performing data storage or data transmission.
And a communication interface of the LORA module 9 is connected with a communication interface of the main control ARM module 2, and data transmission can be carried out. In order to ensure that the battery can supply power for a long time, the LORA module 9 mainly adopts A, B working modes: in the mode A, a node LORA terminal (namely a LORA module of a node instrument) is in a dormant state most of the time, and only when data needs to be received and transmitted, a wireless transceiver is activated, so that the power consumption of the terminal is extremely low, but a network issues a command to the terminal, the command cannot reach the terminal in real time, the delay is large, and a downlink data transmitting window can be obtained only when the terminal needs to wait for uplink data; in the mode B, the node LORA terminal is in a dormant state most of the time, except for activating the wireless transceiver when receiving and transmitting data, the terminal also periodically turns on the receiver at the same time to listen whether downlink data exists, the power consumption of the terminal is increased by several times in comparison with the mode A in the mode, but a network downlink command can only be delayed for several seconds to tens of seconds to arrive.
As shown in fig. 2, in practical applications, the main control ARM module 2 may further be connected to a high-speed data transmission driving circuit, for connecting with an external charging and data recovery port.
The invention discloses a LORA-based node instrument state data recovery system, wherein the data recovery process mainly comprises the following steps:
the data acquisition module 3 transmits the ground vibration signal data acquired by the wave detector 8 to the main control ARM module 2 after processing, and transmits the test data of the test module 7 to the main control ARM module 2. The test data includes instrument noise, environmental noise, signal amplitude, dynamic range, harmonic distortion of the node instrument 12, and the natural frequency, damping, sensitivity of the detector 8.
And module state data of the power module 1, the data acquisition module 3, the GPS module 4, the temperature sensor module 6 and the data storage module 7 are transmitted to the main control ARM module 2. The module state data of the power module 1 is the voltage and the electric quantity of the battery pack. And the module state data of the data acquisition module 3 is the sampling rate of the data acquisition module. The module state data of the GPS module 4 is acquired position and clock information, including the number of satellite positions, the state of the GPS, the type of position, the GPS time, and the GPS longitude and latitude. The module status data of the temperature sensor module 6 is the internal temperature of the node instrument 12 during operation. The module state data of the data storage module 7 is the memory space thereof.
And the main control ARM module 2 performs data compression, storage and other processing on the received data, and then completes data transmission through a LORA module 9 through a standard LORAWAN protocol. The LORA gateway 10 identifies whether data transmission is currently performed with a node terminal device (node instrument 12) or other LORA gateways 10; if the node terminal equipment is the node terminal equipment, establishing connection with a LORA module of the node instrument, setting a LORA communication behavior according to data sent by the LORA gateway 10, and receiving and processing data transmitted from the node terminal equipment; and if the gateway is other LORA gateway, not receiving the data of other LORA gateway, and only receiving and processing the data transmitted from the node terminal equipment.
The data issued by the LORA gateway 10 is data for setting communication behaviors, and the set communication behaviors include initiating connection, disconnecting connection, processing data issued by the LORA gateway, initiating a connection request by a node terminal device, and the like. Specifically, the LORA communication behavior includes an LORA protocol stack of the initialization node; configuring LORA protocol parameters of the nodes; monitoring whether connection is lost or not, and if the connection is lost, informing the LORA gateway; configuring LORA communication parameters according to parameter data issued by the LORA gateway; setting LORA communication behaviors according to the state of the LORA; and executing the corresponding LORA communication behavior according to the set LORA communication behavior, and the like.
After receiving the data, the LORA gateway 10 transmits the data to the monitoring center 11, and completes the data recovery. The monitoring center 11 can be used for monitoring information such as equipment numbers, line numbers, pile numbers, battery capacities and voltages, internal temperatures, storage spaces, sampling rates, internal gains, filtering parameters, positions of the GPS, clocks and the like of all online node seismic instruments 12 in real time, and can also realize functions such as parameter configuration, instrument self-inspection, test data return and the like of all online node seismic instruments 12 and generate corresponding statistical reports and analysis curves.
The LORA-based node instrument state data recovery system can acquire parameters such as voltage and working temperature of equipment, can also automatically test an instrument system, adopts an ultra-long-distance wireless transmission scheme of an LORA technology, realizes transmission of data of a node instrument to a monitoring center, and can finish high-quality, high-benefit and high-safety recovery of node instrument state data. The LORA-based node instrument state data recovery system is convenient to operate and use, can complete state monitoring of seismic instruments and real-time return of test data, improves seismic exploration construction efficiency, reduces cost, ensures reliability of seismic data acquisition data, and has certain advantages in stability and convenience.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
The principles and embodiments of the present invention have been described herein using specific examples, which are presented solely to aid in the understanding of the apparatus and its core concepts; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. A LORA-based node instrument state data recovery system, comprising: the system comprises a node type earthquake acquisition instrument, an LORA gateway and a monitoring center; data transmission is carried out between the node type seismic acquisition instrument and the LORA gateway by adopting a standard LORAWAN protocol; the LORA gateway and the monitoring center are in wireless communication;
the nodal type seismic acquisition instrument includes: the device comprises a power supply module, a main control ARM module, a data acquisition module, a GPS module, a test module, a temperature sensor module, a data storage module, a detector and a LORA module;
the power supply module is connected with the main control ARM module; the main control ARM module is used for collecting the voltage and the electric quantity of a battery pack in the power supply module;
one end of the data acquisition module is connected with the detector, and the other end of the data acquisition module is connected with the main control ARM module; the detector is used for collecting ground vibration signals; the data acquisition module is used for sending the ground vibration signal to the main control ARM module; the main control ARM module is also used for acquiring the sampling rate of the data acquisition module;
the GPS module is connected with the main control ARM module; the GPS module is used for collecting position and clock information and sending the position and clock information to the main control ARM module; the position and clock information comprises the number of satellite positioning, the state of a GPS, the positioning type, the GPS time and the GPS longitude and latitude;
the test module is connected with the main control ARM module; the test module is used for testing the node type earthquake acquisition instrument according to the control of the main control ARM module, acquiring test data by the data acquisition module and sending the test data to the main control ARM module; the test data comprises instrument noise, environmental noise, signal amplitude, dynamic range and harmonic distortion of the node type seismic acquisition instrument, and natural frequency, damping and sensitivity of the geophone;
the temperature sensor module is connected with the main control ARM module; the temperature sensor module is used for acquiring the internal temperature of the node type earthquake acquisition instrument during working and sending the internal temperature to the main control ARM module;
the data storage module is connected with the main control ARM module; the main control ARM module is used for acquiring a storage space of the data storage module;
the main control ARM module compresses the acquired voltage and electric quantity of the battery pack, the ground vibration signal, the sampling rate, the position and clock information, the test data, the internal temperature, the storage space and the equipment information of the node type earthquake acquisition instrument into a module state data packet; the equipment information comprises an equipment number, a line number and a pile number of the node type seismic acquisition instrument;
the LORA module is connected with the main control ARM module; the LORA module converts the module state data packet into an LORA data packet and sends the LORA data packet to the LORA gateway;
and the LORA gateway converts the LORA data packet into a flow data packet and sends the flow data packet to the monitoring center.
2. The node instrument state data recovery system of claim 1, wherein the power module is further connected to the data acquisition module, the GPS module, the test module, the temperature sensor module, and the data storage module; the power module is used for supplying power to the main control ARM module, the data acquisition module, the GPS module, the test module, the temperature sensor module and the data storage module.
3. The node instrument state data recovery system of claim 2, wherein the power module comprises a battery pack, a battery protection circuit, and a battery control and charge management circuit; one end of the battery protection circuit is connected with the battery pack, and the other end of the battery protection circuit is connected with the battery control and charging management circuit; the battery control and charging management circuit is respectively connected with the main control ARM module, the data acquisition module, the GPS module, the test module, the temperature sensor module and the data storage module.
4. The node instrument state data recovery system of claim 1, wherein the data acquisition module comprises an analog signal conditioning and input protection circuit and a data sampling unit connected in sequence; one end of the analog signal conditioning and input protection circuit is connected with the detector, and the other end of the analog signal conditioning and input protection circuit is connected with one end of the data sampling unit; the other end of the data sampling unit is connected with the main control ARM module.
5. The node instrument state data recovery system of claim 4, wherein the data sampling unit employs a 32-bit analog-to-digital conversion acquisition chip.
6. The node instrument state data recovery system of claim 1, wherein the GPS module is connected to the master ARM module via a serial port.
7. The node instrument state data recovery system of claim 4, wherein the test module comprises a test signal generator and a test signal driver; one end of the test signal generator is connected with the main control ARM module, and the other end of the test signal generator is connected with one end of the test signal driver; the other end of the test signal driver is connected with the analog signal conditioning and input protection circuit;
the main control ARM module controls the test signal generator to generate a sine digital signal; the sine digital signal completes digital-to-analog conversion through the test signal driver to generate a sine analog signal; the sinusoidal simulation signal is used for testing the node type seismic acquisition instrument.
8. The node instrumentation state data recovery system of claim 1 wherein the data storage module is configured to store the data in the module state data packet and the seismic acquisition data.
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