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CN111580155A - Local storage seismic exploration node instrument system with 4G remote monitoring function - Google Patents

Local storage seismic exploration node instrument system with 4G remote monitoring function Download PDF

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Publication number
CN111580155A
CN111580155A CN202010348772.XA CN202010348772A CN111580155A CN 111580155 A CN111580155 A CN 111580155A CN 202010348772 A CN202010348772 A CN 202010348772A CN 111580155 A CN111580155 A CN 111580155A
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China
Prior art keywords
instrument system
unit
data
node instrument
remote monitoring
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CN202010348772.XA
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Chinese (zh)
Inventor
董恩清
韩利
张德敬
崔文韬
曹海
高翔
孙祺
钟倩文
李壮壮
李潮
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Shandong Zhiwei Zhicheng Electronic Technology Co ltd
Shandong University
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Shandong Zhiwei Zhicheng Electronic Technology Co ltd
Shandong University
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Priority to CN202010348772.XA priority Critical patent/CN111580155A/en
Publication of CN111580155A publication Critical patent/CN111580155A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/24Recording seismic data
    • G01V1/247Digital recording of seismic data, e.g. in acquisition units or nodes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/22Transmitting seismic signals to recording or processing apparatus
    • G01V1/223Radioseismic systems

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The invention provides a local storage seismic exploration node instrument system with 4G remote monitoring, which comprises an A/D data acquisition unit, a time service synchronization unit, a local data storage unit, a 4G remote monitoring unit and a node instrument system master control unit, wherein the seismic exploration node instrument system has the advantages of high-precision and high-sampling-rate seismic reflection wave data acquisition, high-efficiency USB local storage, high-precision time service synchronization and positioning, and quick and high-efficiency remote monitoring, and the node instrument system master control unit realizes the scheduling and task allocation of the whole functions of the system through a microcontroller chip and corresponding peripheral interfaces. Therefore, the local storage seismic exploration node instrument system can realize high-precision acquisition of seismic wave data and efficient and rapid storage of the acquired data. Meanwhile, the state and the acquisition quality of the node instrument system can be remotely monitored.

Description

Local storage seismic exploration node instrument system with 4G remote monitoring function
Technical Field
The invention belongs to the field of seismic exploration, and relates to a local storage seismic exploration node instrument system with 4G remote monitoring.
Background
Seismic exploration is a geophysical exploration method for deducing the geological structure of a detection area by processing and explaining the propagation law of seismic waves generated by an artificial seismic source among different stratums. With the development of related technologies such as a three-dimensional visualization technology, an elastic impedance inversion technology and the like, the seismic exploration technology has leap-type development and plays an important role in the field of resource detection of coal mines, natural gas, petroleum and the like. The seismic exploration node instrument system also becomes indispensable detection equipment in the seismic exploration process, and can complete operations such as acquisition and transmission of seismic data, data acquisition quality monitoring and the like. At present, although several units have already developed the research on the seismic exploration node instrument system for many years, the industrialization is not basically realized at present, and most of the seismic exploration node instrument systems adopt a local access mode, so that the remote monitoring on the state and the acquisition quality of the node instrument system cannot be carried out.
Disclosure of Invention
Aiming at the data recovery mode that the existing seismic exploration node instrument system only has local access, the invention provides a local storage seismic exploration node instrument system with 4G remote monitoring, which comprises an A/D data acquisition unit, a time service synchronization unit, a local data storage unit, a 4G remote monitoring unit and a node instrument system master control unit.
The A/D data acquisition unit consists of an ADS1282 analog-to-digital conversion chip, a microcontroller and a peripheral circuit thereof, is mainly responsible for acquiring seismic reflected wave data and transmits the data to the node instrument system master control unit;
the time service synchronization unit consists of a data receiving antenna, an ATGM332D-5N module and a low ripple voltage stabilizing circuit, and a GPS system is mainly adopted to obtain real-time position information and time information;
the local data storage unit consists of a microcontroller, a card reader control circuit and a switch circuit, and the microcontroller is mainly used as a USB host to realize the identification and data storage of the mass storage device.
The 4G remote monitoring unit consists of a 4G module WH-G405tf and peripheral circuits thereof and is mainly responsible for sending a configuration instruction, an acquisition instruction and a data recovery instruction sent by a remote server to a node instrument system master control unit;
the master control unit of the node instrument system consists of a microcontroller and peripheral circuits thereof and is mainly responsible for analyzing configuration instructions, acquisition instructions and data recovery instructions and sending the instructions to corresponding functional units for processing. Meanwhile, the real-time of the time service synchronization unit is obtained, the timer value is read, and the time information is stored in the local data storage unit.
The invention discloses a local storage seismic exploration node instrument system with 4G remote monitoring, which comprises the following working steps:
step 1: the method comprises the steps that a local storage seismic exploration node instrument system is powered on, each functional unit is initialized, state information such as position information and initial storage capacity information of the system is reported to a 4G remote monitoring unit, and finally the state information is transmitted to a remote server;
step 2: the remote server sends a configuration instruction to the node instrument system master control unit through the 4G remote monitoring unit, wherein the configuration instruction comprises sampling rate configuration, access authority of a local data storage unit, storage capacity query information and the like;
and step 3: the configuration instruction is analyzed by the node instrument system master control unit and forwarded to the corresponding functional unit to complete the final configuration;
and 4, step 4: the remote server sends an acquisition instruction to the node instrument system master control unit through the 4G remote monitoring unit;
and 5: the node instrument system main control unit analyzes the acquisition instruction and forwards the acquisition instruction to the A/D data acquisition unit, and meanwhile, the node instrument system main control unit acquires the real-time of the time service synchronization unit, reads the timer value, further improves the time precision to microsecond level, and stores the time information in a local data storage unit;
step 6: the A/D data acquisition unit receives the acquisition instruction and starts to acquire the acquisition instruction, performs preprocessing such as packaging and escaping on the acquired data, and finally transmits the data to the node instrument system main control unit;
and 7: the node instrument system master control unit receives the seismic data packet, and after the data packet is analyzed and reverse meaning is completed, the seismic data is stored in the local data storage unit;
and 8: the remote server sends a data recovery instruction to the node instrument system master control unit through the 4G remote monitoring unit;
and step 9: the node instrument system master control unit analyzes the data recovery instruction, and the acquired seismic data are read to a PC (personal computer) through a USB (universal serial bus) interface or uploaded to a remote server through a 4G remote monitoring unit for quality monitoring.
The invention has the beneficial effects that: the seismic exploration node instrument system has the advantages of high-precision and high-sampling-rate seismic reflection wave data acquisition, efficient USB local storage, high-precision time service synchronization and positioning, and quick and efficient remote monitoring, and the node instrument system master control unit realizes scheduling and task allocation of the overall functions of the system through a microcontroller chip and corresponding peripheral interfaces. Therefore, the local storage seismic exploration node instrument system designed by the invention can realize high-precision acquisition of seismic wave data and efficient and rapid storage of the acquired data. Meanwhile, the state and the acquisition quality of the node instrument system can be remotely monitored.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a diagram of a locally stored seismic survey node system initialization base information.
FIG. 3 is a display of a locally stored file of collected data.
FIG. 4 is a measured seismic waveform recovery plot.
Detailed Description
The invention will be explained in more detail with reference to the accompanying drawings in conjunction with a specific example of operation of a locally stored seismic survey node instrument system.
As shown in FIG. 1, the local storage seismic exploration node instrument system with 4G remote monitoring of the invention comprises an A/D data acquisition unit, a time service synchronization unit, a local data storage unit, a 4G remote monitoring unit and a node instrument system master control unit. The A/D data acquisition unit acquires seismic reflected wave data and transmits the data to the node instrument system master control unit; according to the characteristics of wide seismic wave frequency spectrum range, large dynamic range and the like, in order to ensure the accuracy and integrity of acquired data, an ADS1282 chip with the analog-to-digital conversion precision of 32 bits and the maximum sampling rate of 4000 times per second is selected as the core of the A/D data acquisition unit, and a microcontroller is equipped for communication with the A/D data acquisition unit. The time service synchronization unit can realize high-precision time service synchronization and positioning, and high-precision time information is needed to realize alignment with acquired data in the seismic data acquisition process; position information needs to be acquired as a basis for marking the acquisition position in the later data processing. In the embodiment, the time service synchronization unit selects a GPS system to acquire real-time position information and time information, and further improves the time precision to microsecond level by combining the timing counting function of the microcontroller. The local data storage unit adopts high-efficiency USB local storage, and can acquire a large amount of seismic data every second under the setting of high precision and high sampling rate on a local storage seismic exploration node instrument system, so that in order to ensure the high-efficiency and quick storage of the seismic data, the microcontroller is used as a USB host, and the identification and data storage of the local data storage unit on a large-capacity storage device are realized. The 4G remote monitoring unit utilizes the 4G communication mode to remotely control and monitor the exploration work of the local storage seismic exploration node instrument system, so that the exploration work can be carried out according to a set flow, and the rapid recovery and the efficient quality monitoring of seismic data are facilitated. The node instrument system master control unit realizes the scheduling and task allocation of the whole system function through a microcontroller chip and a corresponding peripheral interface.
The method for the cooperative work of the functional units of the local storage seismic exploration node instrument system comprises the following steps:
step 1: the local storage seismic exploration node instrument system is powered on, each functional unit is initialized, and state information such as position information, initial storage capacity information and the like of the system is reported to the 4G remote monitoring unit and is finally transmitted to the remote server. Fig. 2 shows the initialization basic information of the local storage seismic exploration node instrument system, including the mounting condition of USB devices, the display of storage capacity, the opening condition of files, and the like. As can be seen from FIG. 2, the USB device of the local storage seismic exploration node instrument system is normally mounted, the initial storage capacity is about 29GB, and the file for storing data is opened, so that normal data acquisition and storage can be performed.
Step 2: the remote server sends a configuration instruction to the node instrument system master control unit through the 4G remote monitoring unit, wherein the configuration instruction comprises sampling rate configuration, access authority of a local data storage unit, storage capacity query information and the like.
And step 3: the configuration instruction is analyzed by the node instrument system master control unit and forwarded to the corresponding functional unit to complete the final configuration.
And 4, step 4: the remote server sends an acquisition instruction to the node instrument system master control unit through the 4G remote monitoring unit.
And 5: and the node instrument system master control unit analyzes the acquisition instruction and forwards the instruction to the A/D data acquisition unit. Meanwhile, the node instrument system master control unit acquires the real-time of the time service synchronization unit, reads the timer value, further improves the time precision to microsecond level, and stores the time information in the local data storage unit.
Step 6: the A/D data acquisition unit receives the acquisition instruction and starts to acquire the acquisition instruction, performs preprocessing such as packaging and escaping on the acquired data, and finally transmits the data to the node instrument system main control unit;
and 7: and the node instrument system master control unit receives the seismic data packet, and stores the seismic data into the local data storage unit after the data packet is analyzed and subjected to reverse meaning. Fig. 3 shows a storage file of seismic data of the local data storage unit, the seismic data is stored in the file in the form of bytes, and it can be known from the 32-bit conversion precision of the a/D data acquisition unit that every 4 bytes in fig. 3 represent a sampling point and can be stored in the file in order, so that it can be known that the acquired seismic data can be normally stored.
And 8: the remote server sends a data recovery instruction to the node instrument system master control unit through the 4G remote monitoring unit;
and step 9: the node instrument system master control unit analyzes the data recovery instruction, and the acquired seismic data are read to a PC (personal computer) through a USB (universal serial bus) interface or uploaded to a remote server through a 4G remote monitoring unit for quality monitoring.
In the embodiment, a seismic source is simulated by hammering, data acquisition and storage test are carried out on a local storage seismic exploration node instrument system, a remote server sends a quality monitoring instruction to a 4G remote monitoring unit, the instruction is forwarded and finally reaches a node instrument system master control unit, the unit reads seismic acquisition data in a local file, the seismic acquisition data are uploaded to the remote server through a 4G network for data processing, and finally, the acquired waveform shown in figure 4 is drawn. As shown in fig. 4, the vibration waveform of the reflected wave generated by the hammering excitation and having relatively smooth and relatively high continuity can be clearly displayed, which indicates that the local storage seismic exploration node instrument system designed by the invention not only has relatively high acquisition precision, retains the useful information of the seismic wave to the greatest extent, achieves the purpose of reliably storing the acquired data, but also can perform remote real-time quality monitoring on the acquired seismic data.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, the protection scope of the present invention is not limited thereto, and any modifications or equivalent substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein are all covered within the protection scope of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (7)

1. A local storage seismic exploration node instrument system with 4G remote monitoring is characterized in that the local storage seismic exploration node instrument system comprises an A/D data acquisition unit, a time service synchronization unit, a local data storage unit, a 4G remote monitoring unit and a node instrument system master control unit;
the A/D data acquisition unit is mainly responsible for acquiring seismic reflected wave data and transmitting the data to the node instrument system master control unit;
the time service synchronization unit mainly adopts a GPS system to obtain real-time position information and time information;
the local data storage unit mainly uses a microcontroller as a USB host to realize the identification and data storage of the mass storage device;
the 4G remote monitoring unit is mainly responsible for sending a configuration instruction, an acquisition instruction and a data recovery instruction sent by the remote server to the node instrument system master control unit;
the master control unit of the node instrument system is mainly responsible for analyzing the configuration instruction, the acquisition instruction and the data recovery instruction and sending the instructions to the corresponding functional units for processing, meanwhile, the real-time of the time service synchronization unit is obtained, the timer value is read, and the time information is stored in the local data storage unit.
2. The local storage seismic survey node instrument system with 4G remote monitoring of claim 1, wherein the A/D data acquisition unit is comprised of ADS1282 analog-to-digital conversion chip, microcontroller and its peripheral circuits.
3. The local storage seismic survey node instrument system with 4G remote monitoring of claim 1, wherein the time service synchronization unit is comprised of a data receiving antenna, ATGM332D-5N module and low ripple voltage regulator circuit.
4. The local storage seismic survey node system with 4G remote monitoring of claim 1, wherein the local data storage unit is comprised of a microcontroller, a card reader control circuit and a switching circuit.
5. The local storage seismic survey node system with 4G remote monitoring of claim 1, wherein said 4G remote monitoring unit is comprised of a 4G module WH-G405tf and its peripheral circuitry.
6. The local storage seismic survey node instrument system with 4G remote monitoring of claim 1, characterized in that the total control unit of the node instrument system is composed of a microcontroller and its peripheral circuits.
7. A local storage seismic survey node instrument system with 4G remote monitoring as claimed in claim 1, characterized by the following working steps:
step 1: the method comprises the steps that a local storage seismic exploration node instrument system is powered on, each functional unit is initialized, state information such as position information and initial storage capacity information of the system is reported to a 4G remote monitoring unit, and finally the state information is transmitted to a remote server;
step 2: the remote server sends a configuration instruction to the node instrument system master control unit through the 4G remote monitoring unit, wherein the configuration instruction comprises sampling rate configuration, access authority of a local data storage unit, storage capacity query information and the like;
and step 3: the configuration instruction is analyzed by the node instrument system master control unit and forwarded to the corresponding functional unit to complete the final configuration;
and 4, step 4: the remote server sends an acquisition instruction to the node instrument system master control unit through the 4G remote monitoring unit;
and 5: the node instrument system main control unit analyzes the acquisition instruction and forwards the acquisition instruction to the A/D data acquisition unit, and meanwhile, the node instrument system main control unit acquires the real-time of the time service synchronization unit, reads the timer value and stores the time information to the local data storage unit;
step 6: the A/D data acquisition unit receives the acquisition instruction and starts to acquire the acquisition instruction, performs preprocessing such as packaging and escaping on the acquired data, and finally transmits the data to the node instrument system main control unit;
and 7: the node instrument system master control unit receives the seismic data packet, and after the data packet is analyzed and reverse meaning is completed, the seismic data is stored in the local data storage unit;
and 8: the remote server sends a data recovery instruction to the node instrument system master control unit through the 4G remote monitoring unit;
and step 9: the node instrument system master control unit analyzes the data recovery instruction, and the acquired seismic data are read to a PC (personal computer) through a USB (universal serial bus) interface or uploaded to a remote server through a 4G remote monitoring unit for quality monitoring.
CN202010348772.XA 2020-04-28 2020-04-28 Local storage seismic exploration node instrument system with 4G remote monitoring function Withdrawn CN111580155A (en)

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Cited By (1)

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