CN112649838A - Centralized intelligent seismic exploration and collection system and method based on wireless transmission - Google Patents
Centralized intelligent seismic exploration and collection system and method based on wireless transmission Download PDFInfo
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- CN112649838A CN112649838A CN202011521066.7A CN202011521066A CN112649838A CN 112649838 A CN112649838 A CN 112649838A CN 202011521066 A CN202011521066 A CN 202011521066A CN 112649838 A CN112649838 A CN 112649838A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 7
- 238000012360 testing method Methods 0.000 claims description 22
- 230000007613 environmental effect Effects 0.000 claims description 11
- 238000005070 sampling Methods 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 2
- 238000013480 data collection Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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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
- G01V1/02—Generating seismic energy
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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
- G01V1/02—Generating seismic energy
- G01V1/04—Details
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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
- G01V1/16—Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
- G01V1/18—Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
- G01V1/181—Geophones
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention discloses a centralized intelligent seismic exploration and acquisition system and method based on wireless transmission, wherein the centralized intelligent seismic exploration and acquisition system comprises an upper computer, a centralized intelligent seismic exploration instrument, a plurality of detectors, an active seismic source and a cable, the centralized intelligent seismic exploration instrument comprises a central processing unit, a wireless communication module, a data acquisition module, a trigger signal identification module and an acquisition parameter configuration module, the wireless communication module, the data acquisition module, the trigger signal identification module and the acquisition parameter configuration module are respectively connected with the central processing unit, the plurality of detectors are connected with the data acquisition module of the centralized intelligent seismic exploration instrument through the cable, and the upper computer is connected with the wireless communication module of the centralized intelligent seismic exploration instrument. The centralized intelligent seismic exploration instrument is in wireless communication with the upper computer through the wireless communication module, and can remotely control the seismic exploration and acquisition system.
Description
Technical Field
The invention relates to the field of geophysical exploration, in particular to a centralized intelligent seismic exploration and acquisition system and method based on wireless transmission.
Background
Geophysical exploration is used for detecting geological conditions such as stratum lithology, geological structure and the like by researching and observing changes of various geophysical fields, and can be divided into engineering geological exploration in the fields of water conservancy, electric power, railways, bridges, urban construction, traffic and the like and resource exploration in the fields of petroleum, coal fields, uranium mines, underground water and the like according to different detection targets.
Compared with a distributed seismic exploration and acquisition system, the centralized seismic exploration and acquisition system has the advantages of simple structure, light weight, convenience in construction and the like, and is widely applied to the field of geophysical exploration.
The existing centralized seismic exploration and acquisition system is limited by a structure, has no wireless data transmission function, cannot remotely or remotely control equipment, cannot intelligently and automatically set parameters, has higher requirements on field operators, and is difficult to control the operation quality.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a centralized intelligent seismic exploration and acquisition system and method based on wireless transmission.
The technical scheme of the invention is as follows:
the centralized intelligent seismic exploration and collection system comprises an upper computer, a centralized intelligent seismic exploration instrument, a plurality of detectors, an active seismic source and a cable, wherein the centralized intelligent seismic exploration instrument comprises a central processing unit, and a wireless communication module, a data collection module, a trigger signal identification module and a collection parameter configuration module which are respectively connected with the central processing unit, the plurality of detectors are connected with the data collection module of the centralized intelligent seismic exploration instrument through the cable, and the upper computer is connected with the wireless communication module of the centralized intelligent seismic exploration instrument.
The wireless communication module is a 4G wireless communication module.
A centralized intelligent seismic exploration and collection method based on wireless transmission specifically comprises the following steps:
(1) the centralized intelligent seismic exploration instrument is powered on and started, and then a parameter acquisition configuration module is used for power-on self-test;
(2) after the centralized intelligent seismic exploration instrument is started up and self-checked, the upper computer sets different instrument parameters according to the type of the geophone and then sends the instrument parameters to the centralized intelligent seismic exploration instrument;
(3) when the parameter configuration of the instrument is completed, the upper computer sends an acquisition instruction to the centralized intelligent seismic exploration instrument, a data acquisition module of the centralized intelligent seismic exploration instrument starts to sample seismic waves detected by the geophone, and the acquired data frame is marked as environmental noise;
(4) the method comprises the steps of (1) seismic source excitation, identifying an effective trigger signal by a trigger signal identification module of the centralized intelligent seismic exploration instrument, immediately identifying a data frame acquired by a data acquisition module as an effective data frame until the number of the set effective data frames reaches a set value, and then identifying the effective data frame as environmental noise;
(5) the centralized intelligent seismic exploration instrument sends the stored effective data frames to the upper computer through the wireless communication module, and the upper computer draws, displays and stores the effective data frames after recognizing the effective data frames.
The power-on self-test comprises a background noise test, a harmonic distortion test, a detector test and a crosstalk test.
The detector test is to determine the type of the connected detector according to different resistance values by detecting the resistance of the input ends of 24 detectors of the seismic exploration instrument; when the resistance value is between 500-2000 ohms, the detector is judged as a seismic detector, the input impedance is set to be 20K ohms, the sampling interval is set to be 1 millisecond, and the sampling duration is 5 seconds; when the resistance value is between 2500-.
After the trigger signal identification module identifies the effective trigger signal, the frame header of the collected data frame is changed from the environmental noise indication to the effective data indication, and the frame header of the effective data frame is automatically changed from the effective data indication to the environmental noise indication until the set effective data frame number reaches a set value.
The invention has the advantages that:
the centralized intelligent seismic exploration instrument is in wireless communication with the upper computer through the wireless communication module, and can remotely control the seismic exploration and acquisition system; the invention supports three seismic source triggering modes of short circuit triggering, pulse triggering and active triggering, and the triggering signal identification module identifies the effectiveness of the triggering signal; according to the invention, through the power-on self-checking method, the operation flow of operators is simplified, and the construction efficiency is increased; in the detector test, the types of the detectors are distinguished according to the difference of the input resistance values of the detectors, different input impedances and sampling rates are set according to the detectors of different types, wireless communication control is realized, and the operation flow is reduced.
Drawings
FIG. 1 is a block diagram of a centralized intelligent seismic survey acquisition system of the present invention.
FIG. 2 is a schematic block diagram of the centralized intelligent seismic survey instrument of 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.
Referring to fig. 1 and 2, a centralized intelligent seismic exploration and collection system based on wireless transmission comprises an upper computer 1, a centralized intelligent seismic exploration instrument 2, a plurality of detectors 3, an active seismic source 4 and a cable 5, wherein the centralized intelligent seismic exploration instrument 2 comprises a central processing unit 21, a 4G wireless communication module 22, a data collection module 23, a trigger signal identification module 24 and a collection parameter configuration module 25, the plurality of detectors 3 are connected with the data collection module 23 of the centralized intelligent seismic exploration instrument through the cable, and the upper computer 1 is connected with the 4G wireless communication module 22 of the centralized intelligent seismic exploration instrument.
A centralized intelligent seismic exploration and collection method based on wireless transmission specifically comprises the following steps:
(1) the centralized intelligent seismic exploration instrument 2 is powered on and started, and then the acquisition parameter configuration module 25 carries out power-on self-test; the power-on self-test comprises a background noise test, a harmonic distortion test, a detector test and a crosstalk test; the detector test is to determine the type of the connected detector according to different resistance values by detecting the resistance of the input ends of 24 detectors of the seismic exploration instrument; when the resistance value is between 500-2000 ohms, the detector is judged as a seismic detector, the input impedance is set to be 20K ohms, the sampling interval is set to be 1 millisecond, and the sampling duration is 5 seconds; when the resistance value is between 2500-;
(2) after the centralized intelligent seismic exploration instrument 2 is started up and self-checked, different instrument parameters are set by the upper computer 1 according to the type of the detector and then are sent to the centralized intelligent seismic exploration instrument 2;
(3) when the parameter configuration of the instrument is completed, the upper computer 1 sends an acquisition instruction to the centralized intelligent seismic exploration instrument 2, a data acquisition module 23 of the centralized intelligent seismic exploration instrument 2 starts to sample seismic waves detected by the geophone, and the acquired data frame is marked as environmental noise;
(4) the method comprises the steps that a seismic source is excited, a trigger signal identification module 24 of the centralized intelligent seismic exploration instrument identifies an effective trigger signal, the frame header of an acquired data frame is changed into an effective data indication from an environmental noise indication, and the frame header of the effective data frame is automatically changed into the environmental noise indication from the effective data indication until the set effective data frame number reaches a set value;
(5) the centralized intelligent seismic exploration instrument 2 sends the stored effective data frames to the upper computer 1 through the 4G wireless communication module 22, and the upper computer 1 draws, displays and stores the effective data frames after recognizing the effective data frames.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A centralized intelligent seismic exploration and collection system based on wireless transmission is characterized in that: the centralized intelligent seismic prospecting instrument comprises a central processing unit, and a wireless communication module, a data acquisition module, a trigger signal identification module and an acquisition parameter configuration module which are respectively connected with the central processing unit, wherein the detectors are connected with the data acquisition module of the centralized intelligent seismic prospecting instrument through cables, and the upper computer is connected with the wireless communication module of the centralized intelligent seismic prospecting instrument.
2. A centralized intelligent seismic survey acquisition system based on wireless transmission as claimed in claim 1, wherein: the wireless communication module is a 4G wireless communication module.
3. The acquisition method of the centralized intelligent seismic exploration acquisition system based on wireless transmission as claimed in claim 1, wherein: the method specifically comprises the following steps:
(1) the centralized intelligent seismic exploration instrument is powered on and started, and then a parameter acquisition configuration module is used for power-on self-test;
(2) after the centralized intelligent seismic exploration instrument is started up and self-checked, the upper computer sets different instrument parameters according to the type of the geophone and then sends the instrument parameters to the centralized intelligent seismic exploration instrument;
(3) when the parameter configuration of the instrument is completed, the upper computer sends an acquisition instruction to the centralized intelligent seismic exploration instrument, a data acquisition module of the centralized intelligent seismic exploration instrument starts to sample seismic waves detected by the geophone, and the acquired data frame is marked as environmental noise;
(4) the method comprises the steps of (1) seismic source excitation, identifying an effective trigger signal by a trigger signal identification module of the centralized intelligent seismic exploration instrument, immediately identifying a data frame acquired by a data acquisition module as an effective data frame until the number of the set effective data frames reaches a set value, and then identifying the effective data frame as environmental noise;
(5) the centralized intelligent seismic exploration instrument sends the stored effective data frames to the upper computer through the wireless communication module, and the upper computer draws, displays and stores the effective data frames after recognizing the effective data frames.
4. The acquisition method according to claim 3, characterized in that: the power-on self-test comprises a background noise test, a harmonic distortion test, a detector test and a crosstalk test.
5. The acquisition method according to claim 4, characterized in that: the detector test is to determine the type of the connected detector according to different resistance values by detecting the resistance of the input ends of 24 detectors of the seismic exploration instrument; when the resistance value is between 500-2000 ohms, the detector is judged as a seismic detector, the input impedance is set to be 20K ohms, the sampling interval is set to be 1 millisecond, and the sampling duration is 5 seconds; when the resistance value is between 2500-.
6. The acquisition method according to claim 3, characterized in that: after the trigger signal identification module identifies the effective trigger signal, the frame header of the collected data frame is changed from the environmental noise indication to the effective data indication, and the frame header of the effective data frame is automatically changed from the effective data indication to the environmental noise indication until the set effective data frame number reaches a set value.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116183096A (en) * | 2022-12-12 | 2023-05-30 | 江苏盖睿健康科技有限公司 | Pressure sensor module |
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| CN109856671A (en) * | 2019-03-06 | 2019-06-07 | 合肥国为电子有限公司 | A kind of seismic detection method and system based on wireless telecommunications |
| CN110286406A (en) * | 2019-06-20 | 2019-09-27 | 合肥国为电子有限公司 | A kind of active source node type seismic acquisition system and acquisition method based on threshold triggers |
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- 2020-12-21 CN CN202011521066.7A patent/CN112649838A/en active Pending
Patent Citations (6)
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| CN107843918A (en) * | 2017-12-15 | 2018-03-27 | 合肥国为电子有限公司 | A kind of seismic prospecting instrument and its collecting method with negative delay function |
| CN108761525A (en) * | 2018-07-20 | 2018-11-06 | 中石化石油工程技术服务有限公司 | A kind of autonomous acquisition system of seismic prospecting untethered |
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| CN109856671A (en) * | 2019-03-06 | 2019-06-07 | 合肥国为电子有限公司 | A kind of seismic detection method and system based on wireless telecommunications |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116183096A (en) * | 2022-12-12 | 2023-05-30 | 江苏盖睿健康科技有限公司 | Pressure sensor module |
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