CN111751868A

CN111751868A - Vibration wave acquisition and geological stratification method, device and system

Info

Publication number: CN111751868A
Application number: CN202010614601.7A
Authority: CN
Inventors: 高磊
Original assignee: Chinese Academy of Geological Sciences
Current assignee: Chinese Academy of Geological Sciences
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2020-10-09

Abstract

The embodiment of the disclosure discloses a method, a device and a system for collecting vibration waves and stratifying geology, wherein the method for collecting the vibration waves comprises the following steps: arranging the integrated vibration wave acquisition device at a set distance below the earth surface; collecting original vibration signals through a collecting terminal, the bottom of which is attached to the ground, of the integrated vibration wave collecting device; separating and restoring and amplifying the original vibration signal to obtain a real vibration signal; through separating and restoring the original vibration signals and amplifying, the problem that low-frequency signals or signals cannot be acquired in a distorted mode is solved, acquired data are real and reliable, working efficiency is improved, and the complexity and difficulty of using a field geophysical prospecting instrument are reduced by the aid of the integrated vibration wave acquisition device.

Description

Vibration wave acquisition and geological stratification method, device and system

Technical Field

The disclosure relates to a vibration wave acquisition technology, in particular to a vibration wave acquisition and geological stratification method, device and system.

Background

With the development of high and new technologies, geophysical exploration instruments are also continuously updated and upgraded, and in the prior art, an active source seismic exploration instrument is generally adopted to realize the acquisition of seismic signals; the widely used spring moving-coil detector has narrow and limited sensitivity, dynamic range and frequency acquisition range, and limits the performance of the seismic wave acquisition instrument.

Disclosure of Invention

The present disclosure is proposed to solve the above technical problems. The embodiment of the disclosure provides a method, a device and a system for collecting vibration waves and stratifying geology.

According to an aspect of the embodiments of the present disclosure, there is provided a vibration wave collecting method based on an integrated vibration wave collecting device, including:

arranging the integrated vibration wave acquisition device at a set distance below the earth surface;

collecting original vibration signals through a collecting terminal, the bottom of which is attached to the ground, of the integrated vibration wave collecting device;

and separating, restoring and amplifying the original vibration signal to obtain a real vibration signal.

Optionally, the original vibration signal is an analog signal;

the separating and restoring amplifying the original vibration signal to obtain a real vibration signal includes:

performing analog-to-digital conversion on the original vibration signal to obtain a converted digital vibration signal;

and carrying out low-frequency expansion on the digital vibration signal to obtain the real vibration signal.

Optionally, the performing low-frequency expansion on the digital vibration signal to obtain the real vibration signal includes:

and (3) separating and extracting (frequency dividing) the digital vibration signal to obtain a low-frequency part in the digital vibration signal to form a low-frequency signal, and reducing and amplifying the low-frequency signal to obtain the real vibration signal.

According to another aspect of the embodiments of the present disclosure, there is provided a geological stratification method, including:

at the same time, acquiring a plurality of real vibration signals obtained by a plurality of integrated vibration wave acquisition devices through the vibration wave acquisition method provided by any one of the above embodiments;

and obtaining a geological stratification result based on the plurality of real vibration signals.

According to another aspect of the embodiments of the present disclosure, there is provided an integrated vibration wave collecting apparatus including: the base and the top cover are respectively arranged at the bottom and the top of the shell;

collecting original vibration signals through a collecting terminal arranged on the base;

the detector is arranged in the shell, is rigidly connected to the base and is used for receiving the original vibration signal collected by the collecting terminal;

and the frequency division module is arranged in the detector and is used for separating, restoring and amplifying the original vibration signal to obtain a real vibration signal.

Optionally, the frequency dividing module includes:

the analog-to-digital conversion circuit is used for performing analog-to-digital conversion on the original vibration signal to obtain a converted digital vibration signal; wherein the original vibration signal is an analog signal;

and the digital spread spectrum circuit is used for carrying out low-frequency expansion on the digital vibration signal to obtain the real vibration signal.

Optionally, the digital spread spectrum circuit is specifically configured to separate and extract the digital vibration signal, obtain a low-frequency signal composed of a low-frequency portion in the digital vibration signal, and restore and amplify the low-frequency signal to obtain the real vibration signal.

Optionally, the device divides the interior of the housing into three layers from the base to the top cover by two interlayer partitions; the three layers comprise a first layer formed by the base and the first layer of partition boards, a second layer formed by the first and second interlayer partition boards, and a third layer formed by the second interlayer partition boards and the top cover.

Optionally, the geophone is disposed in the first layer and rigidly attached to the base;

the central processing unit is arranged in the third layer;

the charge-discharge module is arranged in the second layer; the charge-discharge module supplies power to the detector and the processing module.

Optionally, the charging and discharging module includes a battery and an equalizing charge control circuit;

and the battery is controlled by the equalizing charge control circuit to carry out high-current low-voltage charging on the detector and the central processing unit.

Optionally, a function extension module and an interface extension module are further disposed in the third layer;

the function expansion module is connected with the central processing unit and is used for integrating at least one of the following modules: the device comprises a temperature and humidity sensor, a compass sensor, a circuit voltage sensor, an internal memory, an external memory, a wireless Bluetooth module, a network module, a 4G module, a positioning module and an indication signal module;

the interface expansion module is connected with the central processing unit and used for expanding at least one of the following interfaces for the central processing unit: digital interface, power control interface, external memory interface, USB interface.

Optionally, a watertight interface is arranged on the top cover, and the watertight interface is used for communicating the central processing unit (interface expanded by the interface expansion module) inside the housing with external equipment outside the housing; wherein the external device comprises at least one of: antenna, status indicator lamp, the interface that charges, reserve interface.

Optionally, the interlayer partition is a metal partition for preventing electromagnetic interference.

According to still another aspect of the embodiments of the present disclosure, there is provided a geological stratification system, comprising: a plurality of integrated vibration wave collection devices as described in any one of the above embodiments;

obtaining a plurality of real vibration signals through a plurality of integrated vibration wave collecting devices arranged at a set depth below the ground surface;

the integrated vibration wave acquisition devices send the real vibration signals to an analysis module;

the analysis module determines a geological stratification result based on the velocity frequency characteristics of the formation seismic and the plurality of true vibration signals.

Based on the method, the device and the system for collecting the vibration waves and stratifying the geology, provided by the embodiment of the disclosure, the integrated vibration wave collecting device is arranged at a set distance below the earth surface; collecting original vibration signals through a collecting terminal, the bottom of which is attached to the ground, of the integrated vibration wave collecting device; separating and restoring and amplifying the original vibration signal to obtain a real vibration signal; through separating and restoring the original vibration signals and amplifying, the problem that low-frequency signals or signals cannot be acquired in a distorted mode is solved, acquired data are real and reliable, working efficiency is improved, and the complexity and difficulty of using a field geophysical prospecting instrument are reduced by the aid of the integrated vibration wave acquisition device.

The technical solution of the present disclosure is further described in detail by the accompanying drawings and examples.

Drawings

The above and other objects, features and advantages of the present disclosure will become more apparent by describing in more detail embodiments of the present disclosure with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the principles of the disclosure and not to limit the disclosure. In the drawings, like reference numbers generally represent like parts or steps.

Fig. 1 is a schematic flow chart of a vibration wave collection method based on an integrated vibration wave collection device according to an exemplary embodiment of the present disclosure.

Fig. 2 is a schematic flow chart of a geological stratification method according to an exemplary embodiment of the present disclosure.

Fig. 3 is a schematic structural diagram of an integrated vibration wave collecting device according to an exemplary embodiment of the present disclosure.

Fig. 4a is a schematic diagram of a step response of a real vibration signal collected by an integrated vibration wave collecting device according to an exemplary embodiment of the present disclosure.

Fig. 4b is a schematic diagram of an impulse response of a real vibration signal collected by the integrated vibration wave collecting apparatus according to an exemplary embodiment of the present disclosure.

Detailed Description

Hereinafter, example embodiments according to the present disclosure will be described in detail with reference to the accompanying drawings. It is to be understood that the described embodiments are merely a subset of the embodiments of the present disclosure and not all embodiments of the present disclosure, with the understanding that the present disclosure is not limited to the example embodiments described herein.

It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.

It will be understood by those of skill in the art that the terms "first," "second," and the like in the embodiments of the present disclosure are used merely to distinguish one element from another, and are not intended to imply any particular technical meaning, nor is the necessary logical order between them.

It is also understood that in embodiments of the present disclosure, "a plurality" may refer to two or more and "at least one" may refer to one, two or more.

It is also to be understood that any reference to any component, data, or structure in the embodiments of the disclosure, may be generally understood as one or more, unless explicitly defined otherwise or stated otherwise.

In addition, the term "and/or" in the present disclosure is only one kind of association relationship describing an associated object, and means that three kinds of relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in the present disclosure generally indicates that the former and latter associated objects are in an "or" relationship.

It should also be understood that the description of the various embodiments of the present disclosure emphasizes the differences between the various embodiments, and the same or similar parts may be referred to each other, so that the descriptions thereof are omitted for brevity.

Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

The disclosed embodiments may be applied to electronic devices such as terminal devices, computer systems, servers, etc., which are operational with numerous other general purpose or special purpose computing system environments or configurations. Examples of well known terminal devices, computing systems, environments, and/or configurations that may be suitable for use with electronic devices, such as terminal devices, computer systems, servers, and the like, include, but are not limited to: personal computer systems, server computer systems, thin clients, thick clients, hand-held or laptop devices, microprocessor-based systems, set top boxes, programmable consumer electronics, network pcs, minicomputer systems, mainframe computer systems, distributed cloud computing environments that include any of the above systems, and the like.

Electronic devices such as terminal devices, computer systems, servers, etc. may be described in the general context of computer system-executable instructions, such as program modules, being executed by a computer system. Generally, program modules may include routines, programs, objects, components, logic, data structures, etc. that perform particular tasks or implement particular abstract data types. The computer system/server may be practiced in distributed cloud computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed cloud computing environment, program modules may be located in both local and remote computer system storage media including memory storage devices.

In the process of implementing the present disclosure, the inventor finds that the sensitivity, the dynamic range and the frequency acquisition range of the widely used spring moving-coil detector are narrow and limited, which restricts the performance of the seismic wave acquisition instrument, and the phenomenon that the detector with the center frequency of 5Hz generally distorts or cannot acquire signals when acquiring the seismic waves below 1 Hz.

Exemplary method

Fig. 1 is a schematic flow chart of a vibration wave collection method based on an integrated vibration wave collection device according to an exemplary embodiment of the present disclosure. The embodiment can be applied to an electronic device, as shown in fig. 1, and includes the following steps:

and 102, arranging the integrated vibration wave acquisition device at a set distance below the ground surface.

Optionally, the integrated vibration wave collecting device can be arranged on the earth surface or buried under the earth surface (for example, 30 centimeters below the earth surface), and the noise influence of the interference of the earth surface on the collected signals can be reduced by arranging the device under the earth surface; meanwhile, the device arranged below the ground surface has a watertight requirement, and the device under the ground is prevented from influencing signal acquisition due to water inflow.

And 104, acquiring an original vibration signal through an acquisition terminal attached to the ground at the bottom of the integrated vibration wave acquisition device.

In an embodiment, the collecting terminal collects formation seismic waves, optionally, the collecting terminal includes three contact collecting terminals, and the three contact collecting terminals can be attached to a coupling ground (including cement, sand and gravel road) to conduct the formation seismic waves to the geophone without damage, the geophone can be a three-component geophone, and the three-component geophone can be mounted in a manner that: one in the horizontal north direction, one in the horizontal south direction and one in the vertical horizontal direction to form a three-component seismic wave detector.

And 106, separating, restoring and amplifying the original vibration signal to obtain a real vibration signal.

The dominant frequency of a traditional moving coil detector is about 2Hz, the low-frequency signal acquisition and separation effect is poor, optionally, the low-frequency signal is expanded to be below 1Hz, under the condition that the signal is guaranteed to be a real amplitude-frequency characteristic curve instead of a circuit feedback compensation mode, the sensitivity of the detector is improved to 200V/m/s on a mechanical system, and the consistency error of the sensitivity is less than 10%, the acquired signal is separated and extracted, the low-frequency real signal is separated from a seismic wave signal and is subjected to signal reduction and amplification to obtain a low-frequency 0.5Hz vibration signal, a frequency division circuit is manufactured and is arranged inside the moving coil detector, and the low-frequency detection capability of the integrated moving coil detector is realized.

In the vibration wave collection method provided by the above embodiment of the present disclosure, the integrated vibration wave collection device is arranged below the ground surface by a set distance; collecting original vibration signals through a collecting terminal, the bottom of which is attached to the ground, of the integrated vibration wave collecting device; separating and restoring and amplifying the original vibration signal to obtain a real vibration signal; through separating and restoring the original vibration signals and amplifying, the problem that low-frequency signals or signals cannot be acquired in a distorted mode is solved, acquired data are real and reliable, working efficiency is improved, and the complexity and difficulty of using a field geophysical prospecting instrument are reduced by the aid of the integrated vibration wave acquisition device.

In some optional embodiments, the original vibration signal is an analog signal, and optionally, the original vibration signal includes a real signal of low frequency and a seismic wave signal;

step 106 may include:

and carrying out low-frequency expansion on the digital vibration signal to obtain a real vibration signal.

In this embodiment, an analog signal can be output through a detector in the integrated vibration wave acquisition device, analog-to-digital conversion and signal amplification are performed through the AD acquisition spread spectrum circuit, and a low-frequency signal detected by the moving coil detector can be expanded to below 1H without distortion by using the combined amplification circuit and the negative feedback circuit. The AD collection spread spectrum circuit has the characteristics of electronic distortion-free spread spectrum below 1Hz, detector sensitivity increased to 400v/m/s (belonging to ultrahigh sensitivity), electromagnetic interference resistance and the like.

Optionally, performing low-frequency expansion on the digital vibration signal to obtain the real vibration signal, including:

and separating and extracting the digital vibration signals to obtain low-frequency parts in the digital vibration signals to form low-frequency signals, and restoring and amplifying the low-frequency signals to obtain real vibration signals.

In the embodiment, after analog-to-digital conversion is performed on the analog signals, the real low-frequency signals are separated from the seismic wave signals to obtain the low-frequency signals, and the low-frequency signals are restored and amplified, so that the low-frequency detection capability of signal acquisition is improved.

Any one of the vibration wave collection methods provided by the embodiments of the present disclosure may be performed by any suitable device having data processing capability, including but not limited to: terminal equipment, a server and the like. Alternatively, any one of the vibration wave collection methods provided by the embodiments of the present disclosure may be executed by a processor, for example, the processor may execute any one of the vibration wave collection methods mentioned in the embodiments of the present disclosure by calling a corresponding instruction stored in a memory. And will not be described in detail below.

Fig. 2 is a schematic flow chart of a geological stratification method according to an exemplary embodiment of the present disclosure. The embodiment can be applied to an electronic device, as shown in fig. 2, and includes the following steps:

step 202, at the same time, obtaining a plurality of real vibration signals obtained by the vibration wave collection method of any one of the above embodiments of the plurality of integrated vibration wave collection devices.

And step 204, obtaining a geological stratification result based on the plurality of real vibration signals.

According to the geological stratification method provided by the embodiment of the disclosure, each layer of rock and soil in the stratum has own unique fluctuation conduction characteristic, most intuitively, different stratum speeds are different, and the development of instruments is based on the characteristic. The stratum seismic waves are generated in earthquakes in the stratum or vibrations of artificial activities on the earth surface, the distance can be fluctuation generated near an instrument or beyond thousands of kilometers, the fluctuation is transmitted to the instrument through rocks or soil layers and received by the instrument, and the speed and frequency characteristics of the seismic waves of different stratums are recorded through data of the receiving of the seismic waves of different stratums, so that the layering characteristic diagram of the stratum can be drawn.

Fig. 3 is a schematic structural diagram of an integrated vibration wave collecting device according to an exemplary embodiment of the present disclosure. The device provided by the embodiment comprises:

a housing 31, and a base 32 and a top cover 33 respectively provided at the bottom and top of the housing;

collecting original vibration signals through a collecting terminal arranged on the base 32;

the detector is arranged in the shell, is rigidly connected to the base 32 and is used for receiving an original vibration signal collected by the collecting terminal;

The integrated vibration wave acquisition device provided by the embodiment of the disclosure has good sealing performance, can be arranged below the earth surface for vibration wave acquisition, and can receive a large amount of stratum vibration waves for a long time to ensure the authenticity and richness of data, and perform contrast analysis on a large amount of data to achieve accurate layering; the device also comprises a memory which can temporarily store the collected signals and can realize wireless transmission.

The core of the device is a detector, the three-component detector is placed on a chassis, three contact type acquisition terminals are arranged below an instrument chassis and can be attached to the coupling ground (comprising cement, sandy soil and stone pavements), stratum seismic waves are conducted to the instrument steel chassis in a lossless mode, three moving-coil detectors are arranged on the instrument chassis, the three moving-coil detectors are arranged in a seismic wave detector installation mode, one horizontal north is arranged, one horizontal south is arranged, one vertical horizontal is arranged, a three-component seismic wave detector system is formed, the three-component seismic wave detector system is rigidly connected to the chassis device, integrated coupling is guaranteed, and seismic wave transmission loss is reduced.

Optionally, the frequency dividing module includes:

the analog-to-digital conversion circuit is used for performing analog-to-digital conversion on the original vibration signal to obtain a converted digital vibration signal; wherein, the original vibration signal is an analog signal;

and the digital spread spectrum circuit is used for carrying out low-frequency expansion on the digital vibration signal to obtain a real vibration signal.

The original vibration signal collected by the collecting terminal is an analog signal, and the low-frequency signal detected by the detector is expanded to be below 1H without distortion by adopting the combination of an amplifying circuit and a negative feedback circuit through analog-to-digital conversion and signal amplification by a digital spread spectrum circuit. The digital spread spectrum circuit in the embodiment has the characteristics of electronic distortion-free spread spectrum below 1Hz, detector sensitivity increased to 400v/m/s (belonging to ultrahigh sensitivity), electromagnetic interference resistance and the like.

Optionally, the digital spread spectrum circuit is specifically configured to separate and extract the digital vibration signal, obtain a low-frequency portion in the digital vibration signal to form a low-frequency signal, and restore and amplify the low-frequency signal to obtain a real vibration signal.

In the embodiment, a frequency division spread spectrum technology is adopted for development, under the condition that signals are guaranteed to be real amplitude-frequency characteristic curves instead of a circuit feedback compensation mode, the sensitivity of a wave detector is improved to 200V/m/s in a mechanical system, and the consistency error of the sensitivity is less than 10%, collected signals are separated and extracted, low-frequency real signals are separated from seismic wave signals and are subjected to signal reduction and amplification, the low-frequency signals are expanded to be below 1Hz, and vibration signals with the frequency lower than 0.5Hz are obtained. The digital spread spectrum circuit carries out low-frequency expansion on the seismic wave digital signals acquired and converted, the low-frequency signals have strong penetrating power, the information in the signals is rich, the signals with lower frequencies need to be acquired as much as possible, the detection depth and precision are ensured, and the efficient spread spectrum circuit is designed through a large amount of calculation and circuit simulation. The closed loop transfer function of the spread spectrum circuit is shown in the following formula (1):

through calculation of the digital spread spectrum circuit, the low-frequency signal collected by the detector can be expanded to be lower than 1Hz, and good frequency response characteristics are kept, such as a response characteristic curve (fig. 4a is a step response diagram, and fig. 4b is a pulse response diagram) of fig. 4, the energy value of the low-frequency weak energy signal is increased to a normal level by a negative feedback circuit part in the digital spread spectrum circuit, and the effectiveness of processing the low-frequency signal in the signal is ensured.

In some alternative embodiments, the device provided by the embodiment divides the interior of the shell into three layers from the base to the top cover through two interlayer partitions; the three layers comprise a first layer consisting of a base and a first layer of partition boards, a second layer consisting of first and second interlayer partition boards, a third layer consisting of second interlayer partition boards and a top cover.

In this embodiment, the integrated vibration wave collecting device is divided into three layers by the interlayer partition plate, and optionally, the interlayer partition plate may be a metal partition plate for preventing electromagnetic interference. Different devices are arranged on different layers, so that the electromagnetic interference among the devices is reduced, and the accuracy of the real vibration signals acquired by the device is improved.

In some alternative embodiments, the geophones are disposed in the first layer and rigidly attached to the base;

the central processing unit is arranged in the third layer;

In the device of the embodiment, the first layer is the core layer, and the detector can be rigidly connected on the base to ensure integrated coupling, so that the problem of inaccurate acquired signals caused by the vibration of the detector is avoided, and the transmission loss of vibration waves is reduced; the detector can adopt a three-component detector or other detectors, the three-component detector (including three moving coil detectors) corresponds to three contact type acquisition terminals, the three acquisition terminals penetrate through the chassis to be in direct contact with the ground, and can be attached to the coupling ground (the ground made of any material, such as cement, sandy soil or stone ground), and the installation mode of the three moving coil detectors can be as follows: one is arranged in the horizontal north direction, one is arranged in the horizontal south direction, and one is arranged in the vertical horizontal direction. In order to ensure the authenticity and richness of data, the instrument needs to receive a large amount of stratum seismic waves for a long time, and a large amount of data is contrasted and analyzed to achieve accurate layering. The built-in battery can guarantee that the instrument gathers more than 35 days in succession, and data storage is inside and can the wireless transmission return laboratory in the instrument, need not personnel supplementary in the instrument data acquisition, and the field is laid and is simple and convenient, and full electricity appearance is direct to be buried underground, and the instrument top covers thirty centimeters soil can, and location and wireless transmission antenna can normally work at this degree of depth, have really reached portable integrative function like this.

the battery is controlled by the equalizing charge control circuit to carry out large-current low-voltage charging on the wave detector and the central processing unit.

In this embodiment, the battery may be a high-performance lithium battery, and due to the requirement of long-term observation and the requirement of small portable volume, the battery capacity is to reach that the whole instrument normally works for more than 35 days, and the volume is made extremely small as much as possible, optionally, in an optional example, the battery adopts a high-performance lithium ion patch battery pack, each group is 8.5V, and 25 groups are connected in series and parallel; the fast equalizing charge control circuit is combined in the second layer, the high-current low-voltage fast charge of the battery is realized, meanwhile, the battery is charged and maintained through trickle constant voltage, the voltage is stabilized and supplied, the low-voltage protection is discharged, the voltage conversion module is started to lift the voltage to the normal action voltage during the low voltage, and voltage and circuit information is sent to a laboratory through a wireless network.

In some optional embodiments, a function expansion module and an interface expansion module are further arranged in the third layer;

In this embodiment, the third layer in the housing is an instrument hub layer, which includes: the system comprises a central processing unit, a function expansion module and an interface expansion module. An Alter32 chip can be used as a central processing unit (for example, an Alert STM32F chip, the running speed of which meets the requirements of instruments, has low power consumption and high stability and is suitable for long-term standby work), and the chip can be used as a center and a data processing center for controlling the instruction output of an instrument core to match with a high-precision ceramic crystal oscillator, so that the time accuracy of instruction receiving, sending and data processing is ensured, the system adopts GPS time service positioning to ensure that the time synchronization of simultaneous work of a plurality of instruments (integrated vibration wave acquisition devices) is consistent, when the plurality of instruments receive the same stratum vibration wave, the time synchronization consistency among the instruments is higher, the higher the time consistency of the acquired data is ensured, the more accurate the calculated stratum propagation speed is, and the finer the geological stratification obtained by post-; the Intel control chip set is used as a function expansion module to be connected with the central processing unit, the central processing unit is assisted to complete the establishment of other functional module circuits and the realization of an interface circuit, and at least one of the following can be integrated on the function expansion module: temperature and humidity sensor, compass sensor, circuit voltage sensor, internal memory, external memory, wireless bluetooth module, wiFi module, 4G module, orientation module (big dipper and/or GPS), instruction signal module etc.. The interface expansion module realizes the expansion of at least one of the following interfaces through the bridging central processing unit: an extended digital interface, a power control interface, an external memory interface, a USB interface and the like.

The function extension module enhances the monitoring capability and the wireless data transmission capability of the device, and besides the detection of a universal temperature and humidity sensor and a universal voltage circuit, the device is additionally provided with a compass accelerometer + Gyro sensor, a compass M-Senor sensor, a Beidou + GPS all-weather time service positioning sensor, a water inlet leakage detection circuit and the like. Except reserving a spare USB serial port, the system communication module interface is used for upgrading system firmware, maintaining and transmitting data under emergency conditions, abundant wireless communication modes are developed, short-distance wireless Bluetooth transmission is realized, instruction control, state monitoring and seismic wave data derivation are carried out on an instrument through a mobile phone, a tablet and other portable IP, remote WIFI and 4G transmission is realized, the instrument can be remotely monitored through WiFi and 4G of base stations of three telecom operators, and networking can be carried out through a wireless networking server so as to carry out remote monitoring and data transmission through a private line network. The application of the wireless data transmission technology greatly improves the portability and the integrity of the instrument.

In some optional embodiments, the top cover is provided with a watertight interface, and the watertight interface is used for communicating a central processing unit (an interface expanded by the interface expansion module) inside the shell with external equipment outside the shell; wherein, external equipment includes at least one of the following: antenna, status indicator lamp, the interface that charges, reserve interface.

Optionally, the antenna may include an external matrix module antenna and/or an external patch ceramic antenna, and the external matrix module antenna is connected with the positioning module to realize wireless transmission of the position information; the external patch ceramic antenna is connected with the wireless Bluetooth module, the WiFi module and the 4G module, so that wireless transmission of the acquired real vibration signals is realized; in the embodiment, the battery is charged through the charging interface (the battery is charged through the equalizing charge control circuit); the status indicator light can identify the running status of the device; the standby interface (for example, a USB interface) can realize that when wireless transmission of an antenna and the like fails, the real vibration signal collected by the device can be transmitted in a wired mode.

The embodiment of the present disclosure also provides a geological stratification system, including: a plurality of integrated vibration wave collection devices as provided in any one of the above embodiments;

the integrated vibration wave acquisition devices send the real vibration signals to the analysis module;

the analysis module determines a geological stratification result based on the velocity frequency characteristics of the formation seismic waves and the plurality of real vibration signals.

According to the geological stratification system provided by the embodiment of the disclosure, each layer of rock and soil in the stratum has the unique fluctuation conduction characteristic, the most intuitive characteristic is that different stratum speeds are different, and the development of instruments is based on the characteristic. The stratum seismic waves are generated in earthquakes in the stratum or vibrations of artificial activities on the earth surface, the distance can be fluctuation generated near an instrument or beyond thousands of kilometers, the fluctuation is transmitted to the instrument through rocks or soil layers and received by the instrument, and the speed and frequency characteristics of the seismic waves of different stratums are recorded through data of the receiving of the seismic waves of different stratums, so that the layering characteristic diagram of the stratum can be drawn.

Exemplary computer program product and computer-readable storage Medium

In addition to the above-described methods and apparatus, embodiments of the present disclosure may also be a computer program product comprising computer program instructions that, when executed by a processor, cause the processor to perform the steps in the method of vibration wave acquisition according to various embodiments of the present disclosure described in the "exemplary methods" section above of this specification.

The computer program product may write program code for carrying out operations for embodiments of the present disclosure in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server.

Furthermore, embodiments of the present disclosure may also be a computer-readable storage medium having stored thereon computer program instructions that, when executed by a processor, cause the processor to perform the steps in the method of vibration wave acquisition according to various embodiments of the present disclosure described in the "exemplary methods" section above in this specification.

The computer-readable storage medium may take any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may include, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

The foregoing describes the general principles of the present disclosure in conjunction with specific embodiments, however, it is noted that the advantages, effects, etc. mentioned in the present disclosure are merely examples and are not limiting, and they should not be considered essential to the various embodiments of the present disclosure. Furthermore, the foregoing disclosure of specific details is for the purpose of illustration and description and is not intended to be limiting, since the disclosure is not intended to be limited to the specific details so described.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts in the embodiments are referred to each other. For the system embodiment, since it basically corresponds to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The block diagrams of devices, apparatuses, systems referred to in this disclosure are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".

The methods and apparatus of the present disclosure may be implemented in a number of ways. For example, the methods and apparatus of the present disclosure may be implemented by software, hardware, firmware, or any combination of software, hardware, and firmware. The above-described order for the steps of the method is for illustration only, and the steps of the method of the present disclosure are not limited to the order specifically described above unless specifically stated otherwise. Further, in some embodiments, the present disclosure may also be embodied as programs recorded in a recording medium, the programs including machine-readable instructions for implementing the methods according to the present disclosure. Thus, the present disclosure also covers a recording medium storing a program for executing the method according to the present disclosure.

It is also noted that in the devices, apparatuses, and methods of the present disclosure, each component or step can be decomposed and/or recombined. These decompositions and/or recombinations are to be considered equivalents of the present disclosure.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present disclosure. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the disclosure. Thus, the present disclosure is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The foregoing description has been presented for purposes of illustration and description. Furthermore, this description is not intended to limit embodiments of the disclosure to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.

Claims

1. A vibration wave acquisition method based on an integrated vibration wave acquisition device is characterized by comprising the following steps:

2. The method of claim 1, wherein the raw vibration signal is an analog signal;

3. The method of claim 2, wherein the low frequency expanding the digital vibration signal to obtain the real vibration signal comprises:

4. A method of stratifying a geological formation, comprising:

acquiring a plurality of real vibration signals of a plurality of integrated vibration wave acquisition devices obtained by the vibration wave acquisition method provided by any one of the claims 1-3 at the same time;

5. Integral type ripples collection system that shakes, its characterized in that includes: the base and the top cover are respectively arranged at the bottom and the top of the shell;

6. The apparatus of claim 5, wherein the frequency division module comprises:

7. The apparatus according to claim 6, wherein the digital spread spectrum circuit is specifically configured to separate and extract the digital vibration signal to obtain a low-frequency portion in the digital vibration signal, which constitutes a low-frequency signal, and restore and amplify the low-frequency signal to obtain the real vibration signal.

8. The device according to any one of claims 5 to 7, wherein the device divides the interior of the housing into three layers from the base to the top by two interlayer partitions; the three layers comprise a first layer formed by the base and the first layer of partition boards, a second layer formed by the first and second interlayer partition boards, and a third layer formed by the second interlayer partition boards and the top cover.

9. The apparatus of claim 8,

the geophone is arranged in the first layer and is rigidly connected to the base;

the central processing unit is arranged in the third layer;

10. A geological stratification system, comprising: a plurality of integrated vibration wave collection devices according to any one of claims 5 to 9;