CN206893080U - It is a kind of based on the seismic signal acquiring system being wirelessly transferred - Google Patents
It is a kind of based on the seismic signal acquiring system being wirelessly transferred Download PDFInfo
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- CN206893080U CN206893080U CN201720840757.0U CN201720840757U CN206893080U CN 206893080 U CN206893080 U CN 206893080U CN 201720840757 U CN201720840757 U CN 201720840757U CN 206893080 U CN206893080 U CN 206893080U
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Abstract
The utility model discloses a kind of based on the seismic signal acquiring system being wirelessly transferred, and suitable for the seismic signal wireless collection under complicated geological environment, can operate with the fields such as seismic monitoring, oil exploration and engineering detecting.By seismic data acquisition unit and user control unit, totally two parts form the system, seismic data acquisition unit and user control unit wirelessly realize order and data transfer, PC control unit sends control instruction to seismic data acquisition unit, and seismic acquisition unit realizes earthquake data acquisition, data prediction and data upload function.While GPS module provides geographic coordinate information, producing PPS pps pulse per second signals can be to each seismic data acquisition unit sync identification.The utility model has acquisition precision high, and expansion is strong, the features such as being arranged without complicated cable.
Description
Technical field
It the utility model is related to the seismic signal acquisition technique under complicated geological environment, more particularly to based on being wirelessly transferred
Seismic signal acquiring system design field.
Background technology
Seismic prospecting is the difference using underground medium elasticity and density, by observing and analyzing stratum to artificial excitation
The response of seismic wave, infer the property of subterranean strata and the geophysical exploration method of form.In recent years due to the new skill of seismic prospecting
Art, new method continue to bring out, and the data-handling capacity of seismic prospecting equipment has had increased significantly, but due to connecing
There is the drawbacks such as antijamming capability is weak, sensitivity is low in the traditional seismic sensor for receiving seismic signal, directly constrain geological data
The further raising of acquisition quality.The performance for improving seismic sensor is to improve the key point of data acquisition quality.For multiple
Heterocycle border, due to the complexity of its earth's surface orographic condition and subsurface structure, and the particularity of geographical environment so that seismic data
Collection it is extremely difficult, traditional wired seismic exploration equipment can not meet seismic prospecting requirement, and thus also earthquake is surveyed
The progress and development for visiting technology and equipment proposes stern challenge.Therefore, a set of easy to operate, digital integration degree is high, collection essence
Degree is high, expansibility it is strong based on the seismic signal acquiring system being wirelessly transferred to resource exploration at this stage, engineering detecting work
Make significant.
The content of the invention
The purpose of this utility model is to provide a kind of to be based on based on the seismic signal acquiring system being wirelessly transferred, the system
MEMS sensor and wireless communication technology devise two important components of seismic data acquisition unit and user control unit.Earthquake
Data acquisition unit is responsible for earthquake data acquisition operation, and wireless sensor network MANET and can be easy to extend.It is wild to adapt to
The demand of outer complex environment and long-term operation, the system have that system power dissipation is low, can be wirelessly transferred, being capable of synchronous acquisition and can
By property it is high the characteristics of.Seismic data acquisition unit small volume, integrated level are high, it is convenient, flexible to arrange, and can be applied to various complexity
With special geographical environment.Seismic data acquisition unit embeds GPS module while geographical position coordinates are provided, it is possible to provide same
High-precision clock synchronous acquisition is realized in step time service service.User control unit can be issued by wireless sending module and mutually shut
Position machine order, after seismic data acquisition unit receives host computer instruction, earthquake data acquisition operation is carried out, and upload locality
Data and related status information are shaken, upper computer software is analyzed and processed and is imaged to the data after receiving.
In order to improve, traditional wire system for acquiring seismic data field route arrangement is difficult, consumptive material is serious, difficult in maintenance etc.
The deficiency of aspect, wireless communication designs are used in whole system design, it instead of tradition using ZigBee wireless communication technologys
Seismic acquisition configuration uses the communication task of mass communication cable.Facilitate seismic data acquisition unit using wireless transmission scheme
Distribution is arranged, and can be directed to complicated landform and be carried out effective Seismic Operation.Be wirelessly transferred including user control unit host computer with
The group-net communication between data communication and adjacent wireless communication module between each seismic data acquisition unit.
The technical solution of the utility model is：It is a kind of to be included based on the seismic signal acquiring system being wirelessly transferred, the system
Seismic data acquisition unit and user control unit totally two parts.The seismic data acquisition unit includes collection terminal power supply mould
Block, MEMS sensor module, signal pre-processing module, MCU main control modules, GPS module and wireless sending module；Collection terminal power supply
Module is connected with MEMS sensor module, signal pre-processing module, MCU main control modules, GPS module respectively, there is provided dc source；
Wherein MEMS sensor module is connected with signal pre-processing module；MCU main control modules respectively with wireless sending module, GPS module,
Signal pre-processing module connects.It is whole that the user control unit includes wireless receiving module, user terminal power module and host computer
End module, wireless receiving module connect with host computer terminal module, can two-way communication；User terminal power module and wireless receiving mould
Block connects, there is provided dc source.Wireless sending module passes through wireless in the wireless receiving module and seismic data acquisition unit
Mode connects.
The seismic data acquisition unit can have one or more, may make up seismic data acquisition unit array.Each earthquake
It is not interfere with each other between data acquisition unit, with user control unit wireless telecommunications.
The collection terminal power module uses 3.7V, 12Ah lithium battery group；User terminal power module uses 3.7V, 6Ah
Lithium battery group.Collection terminal power module and user terminal power module contain some grades of linear voltage stabilization transforming circuits.
The MEMS sensor module is used using small size, the MSCA3002 type capacitance acceleration transducers of low-power consumption
In the collection of seismic wave acceleration information.MSCA3002 is by capacitance acceleration sensing element, mixed signal closed loop ASIC circuit
Assemble Deng multi-chip on a printed circuit board, there is Larger Dynamic scope, excellent bandwidth, the features such as anti-high impact-resistant.
The signal pre-processing module includes pga circuit, coupling and Anti-aliasing Filter Circuits, differential conversion is driven
Dynamic circuit, multiplex electronics and A/D change-over circuits.Signal pre-processing module mainly collects to front end MEMS sensor module
Geological data be amplified, filter and the operation of the accurate pre-processing such as digital-to-analogue conversion.
Gathered and exported by MEMS sensor by seismic signal caused by artificial excitation in seismic prospecting, with voltage signal
Form exist, its intensity is weaker（Millivolt level）, and wherein also it has been mingled with substantial amounts of interference, therefore directly can not be changed using A/D
Device is changed, it is necessary first to processing is amplified to it, it is met the requirement of analog-to-digital conversion and record.In the field of reality
Under surveying conditions, different geological structure and environment, caused signal strength are also very different, selected in the utility model
This functional circuit is realized with PGA205 programmable amplifiers.
In order to solve the problem that interferes of internal circuit signal between front stage circuits and secondary circuit, while strengthen whole
The stability of circuit running, employs corresponding signal coupling circuit and Anti-aliasing Filter Circuits in the utility model.Signal
Termination power is by the way of voltage follower, i.e., output voltage is identical with input voltage.Voltage follower input impedance is high, defeated
Go out that impedance is low, be generally used for the buffer stage or isolation level of circuit, be exactly to utilize its isolation effect in the utility model：Voltage
Isolator output voltage amplitude is input voltage amplitude, and high-impedance state is presented to front stage circuits, equivalent to front stage circuits
Open circuit, low resistive state is presented to rear class, equivalent to being constant pressure source to late-class circuit, output voltage is not influenceed by late-class circuit, real
The function of existing impedance matching, avoids the drawbacks of low frequency signal carried out using electric capacity caused by direct-coupling is easily blocked.
In order to avoid causing to mix because containing the frequency content higher than nyquist frequency in the analog signal being sampled
Folded distortion produces, it is necessary first to processing is filtered to analog signal with low pass filter, filter out wherein frequency be higher than how Kui
The signal of this distinct frequence, the wave filter for realizing this function are exactly frequency overlapped-resistable filter.The filter is required in actual system design
Ripple utensil has relatively flat passband, as far as possible precipitous cut-off frequency point curve.Anti-aliasing filter is carried out to analog signal, it is full
The requirement of sufficient accuracy of data acquisition, guarantee collect true, accurate geological data.The utility model is used based on LM4562
Chip devises follower and quadravalence frequency overlapped-resistable filter.Using LM4562 double operational features, two-way is integrated on one chip
Voltage follow isolation circuit, while quadravalence frequency overlapped-resistable filter is designed, save cost on the basis of reduction hardware circuit design.
In order to further improve anti-interference and driving force of the signal in transmitting procedure, the earthquake by pretreatment is believed
Number transmitted using differential mode, its specific effect embodies：Antijamming capability is improved, it is several when the external world has noise jamming
Be coupled to simultaneously in two differential lines, and the difference of receiving terminal obtains simply two signals, extraneous interference almost by
Disappear；Electromagnetic interference is restrained effectively, for two signal polarities on the contrary, being cancelled out each other to the electromagnetic field of external radiation, coupling is closer, lets out
The electromagnetic energy for being put into the external world is fewer；Sequential has been accurately positioned, the switch change of differential signal is the joining positioned at two signals,
Judge unlike common single-ended signal only relies on two high-low threshold value voltages, thus influenceed by technique, temperature small, reduce sequential
Error；Also improve its driving force to rear end analog to digital conversion circuit simultaneously.The utility model is wider using analog bandwidth
（320MHz）, the preferable high-performance high-speed-differential amplifier AD8138 chips of differential effect, using XFCB bipolar process, be easier to
Applied to the single-ended transfer difference drive circuit of signal, so as to simplify differential signal amplification and drive circuit, while can adjust altogether
Mould output voltage, outside adjust gain is to maximize the ADC performances of rear end.
In the seismic data acquisition process of reality, it is related to the multiple tracks collection of geological data and synchronous sex chromosome mosaicism, mould
Number converter is only Differential Input mode all the way, and earthquake data acquisition often up to hundreds and thousands of roads, if the data of per pass
Conversion all individually selects an analog-digital converter, not only increases design cost and expands hardware design area.Integrate this
Kind situation, the Double deference 4 using the accurate, two-way of Intersil companies production, low-voltage, dual power supply in the utility model are logical
Road multiplexer ISL84052 carries out multichannel time-sharing multiplex design.
A/D change-over circuits are the bridges of analog signal digital processing, and the entirely core of collecting unit.This reality
With new middle use 24 high resolution As based on delta-sigma oversampling technique/D converters ADS1255.Based on 24 delta-sigma mistakes
The ADC of Sampling techniques is widely used in the analog-to-digital conversion of geological data, and it can meet high-resolution seismic survey requirement
Seismic signal dynamic range reaches 120dB requirement.ADC advantages based on delta-sigma oversampling technique, using much larger than Nyquist
The frequency of sample frequency samples to input signal, and when sample frequency often doubles, the signal to noise ratio of system just improves
3dB, 0.5 bit is added equivalent to bit number, improves the resolution ratio of A/D converter（That is dynamic range）.Meanwhile it is based on
The sample rate of delta-sigma oversampling technique is so advantageous to frequency overlapped-resistable filter etc. higher than the several times of the highest frequency of input signal
The design of subsequent conditioning circuit.ADS1255 chip peripheries circuit mainly has variable connector, sensor input buffer, programmable amplification
Device, quadravalence sigma-delta modulator, programmable digital-filter, clock generator, controller and serial SPI controller etc. form.It
Two-way single-ended signal analog-to-digital conversion channel or all the way differential signal analog-to-digital conversion channel can be designed simultaneously.
The MCU main control modules are using C8051F020 type low-power scms as Master control chip.The MCU master controls
Module is responsible for control and the data processing function of whole system, is the core of the Hardware Design.According to the work(of MCU main control modules
Can mainly it include with required minimum system function, MCU main control module circuit designs：Minimum system circuit design, MCU and wireless hair
Penetrate Interface design, MCU and the GPS module interface circuit design of module.
MCU main control modules C8051F020 minimum system design needs reset circuit, crystal oscillation clock circuit, power supply electricity
Road and JTAG artificial circuit interfaces.
MCU main control module C8051F020 peripheral interface circuits mainly have the SPI of C8051F020 and signal pre-processing module
Interface circuit, C8051F020 and wireless module interface circuit and C8051F020 and GPS module connection circuit.Master controller
C8051F020 modules are communicated with wireless module by UART1, and the serial ports that the data input pin of wireless module corresponds to master controller is defeated
Go out end, the output end of wireless module corresponds to the serial ports input of master controller.GPS module passes through UART0 with C8051F020 modules
Communication；Clock signal PPS pps pulse per second signals as whole system synchronous acquisition are then connected with the INT0 of Master control chip.
The GPS module uses AI-GPS-V04 cake cores, and each seismic acquisition unit can be realized based on PPS pps pulse per second signals
The synchronous acquisition function of array, GPS module also provide location information, and more rich available information is provided for later stage geological analysis.
For system for acquiring seismic data, want to collect the geological data of high accuracy and high quality, acquisition time
Data existence time skewed error, realize that the synchronous acquisition of multichannel seismic sensor just seems extremely important.Although MCU master controls
Module has stable clock signal, but when signal is more, because the order that host computer terminal module issues reaches
The time of each wireless seismic data acquisition unit is different, and the clock signal attenuation of each Wireless seismic sensor is different, can not
Complete Synchronization gathers seismic signal.The utility model introduces external clock reference and carries out wireless seismic acquistion array synchronization, the GPS whole world
Alignment system simultaneous techniques continuously can be tracked and calculated to the high-precision atomic clock in gps satellite using ground monitoring station
Go out satellite transit parameter, be then that reference is calculated according to standard GPS, the error of atomic clock drawn, further according to radio
Ripple is handed down to GPS, and receiver, which can resolve, draws accurately GPS time services, and GPS time service precisions can reach 10 ~
100ns.Therefore, the PPS pps pulse per second signals that GPS module provides can realize synchronously adopting for whole wireless seismic data acquisition unit
Collection.
The Xbee-Pro less radio-frequencies based on ZigBee technology are used between the wireless sending module and wireless receiving module
Chip communication is transmitted, can flexibly realize multichannel networking, there is the transmission of host computer terminal module order, receive, and earthquake
Data wireless transmission function.The wireless sending module and wireless receiving module are communicated using poll pattern, i.e. host computer
Terminal module issues control command to seismic data acquisition unit successively, and synchronization host computer terminal module only receives a ground
The data of data acquisition unit are shaken, so as to ensure the reliability of gathered data.
The host computer terminal module includes notebook or tablet personal computer terminal.Notebook or tablet personal computer terminal with it is wireless
Realized between receiving module by the USB interface of Silicon Laboratories companies with RS232 serial converters CP2102
Communication function.
The utility model has the advantage of：Used in the utility model between user control unit and seismic data acquisition unit
Wireless communication designs, it instead of traditional seismic acquisition configuration using wireless communication technology and appointed using the communication of mass communication cable
Business, wireless sensor network MANET and can be easy to extend, and seismic data acquisition unit small volume, integrated level are high, the side of arranging
Just flexibly, various complicated and special geographical environment can be applied to.Be wirelessly transferred including user control unit host computer with it is each
The group-net communication between data communication and adjacent wireless communication module between seismic data acquisition unit.Earthquake data acquisition
Unit embeds GPS module while collecting unit position coordinates is provided, it is possible to achieve high-precision clock synchronous acquisition.User
Control unit can issue related host computer order by wireless sending module, and seismic data acquisition unit receives host computer and referred to
After order, upload collection geological data and related status information, upper computer software are analyzed and processed and are imaged after receiving information.
Using above method structure based on the seismic signal acquiring system being wirelessly transferred, have acquisition precision high, can open up
Malleability is strong, and instrument place sets the features such as flexible.
Brief description of the drawings
Accompanying drawing 1 is integrally to form block schematic illustration based on the seismic signal acquiring system being wirelessly transferred；
Accompanying drawing 2 is multiple seismic data acquisition unit networking collection schematic diagrames；
In figure：U1- seismic data acquisition units, M1- collection terminal power modules, M2-MEMS sensor assemblies, M3- signals
With processing module, M4-MCU main control modules, M5-GPS modules, M6- wireless sending modules；U2- user control units, M7- are wireless
Receiving module, M8- user terminal power modules, M9- host computer terminal modules.
Embodiment
The present embodiment is a kind of based on the seismic signal acquiring system being wirelessly transferred, as shown in accompanying drawing 1 to accompanying drawing 2.Wherein,
Accompanying drawing 1 is integrally to form block schematic illustration based on the seismic signal acquiring system being wirelessly transferred.The system is adopted including geological data
Collect unit U1 and user control unit U2 totally two parts.The seismic data acquisition unit U1 includes collection terminal power module
M1, MEMS sensor module M2, signal pre-processing module M3, MCU main control module M4, GPS module M5 and wireless sending module M6；
Collection terminal power module M1 respectively with MEMS sensor module M2, signal pre-processing module M3, MCU main control module M4, GPS module
M5 connections, there is provided dc source；MEMS sensor module M2 is connected with signal pre-processing module M3；MCU main control modules M4 distinguishes
It is connected with wireless sending module M6, GPS module M5, signal pre-processing module M3.The user control unit U2 includes wirelessly connecing
Receive module M7, user terminal power module M8 and host computer terminal module M9, wireless receiving module M7 and host computer terminal module M9
Connection, can two-way communication；User terminal power module M8 is connected with wireless receiving module M7, there is provided dc source.It is described wirelessly to connect
Wireless sending module M6 in module M7 and seismic data acquisition unit U1 is received wirelessly to connect.
In the present embodiment, as shown in Figure 2, collection array can be made up of multiple seismic data acquisition unit U1 and improves collection
Efficiency, by host computer terminal module M9 in user control unit U2 to sampled point, sample frequency and work before data acquisition
The parameters such as journey information are configured, and wireless sending module M6 is used in wireless receiving module M7 and each seismic data acquisition unit U1
Poll pattern establishes connection, and host computer terminal module M9 issues control command to each seismic acquisition unit U1 successively.MCU master control moulds
Block M4 is received and is analyzed and processed user control unit U1 instructions, MEMS sensor module M2, signal pre-processing module M3 and GPS mould
Block M5 starts working.GPS module M5 sends geographical position coordinates information and produces PPS pps pulse per second signals and multiple geological datas are adopted
Collection unit U1 synchronizes time service, reaches the purpose of geological data synchronous acquisition.MEMS sensor module M2 connects after epicenter excitation
Receipts come from underground vibration signal, through pga circuit, coupling and Anti-aliasing Filter Circuits, difference in signal pre-processing module M3
The earthquake number for dividing conversion driving circuit, multiplex electronics and A/D change-over circuits to collect front end MEMS sensor module M2
According to being amplified, filter and the operation of the accurate pre-processing such as digital-to-analogue conversion.Geological data is in MCU main control modules M4 after pretreatment
Cached in C8051F020, wireless sending module M6 is communicated using poll pattern with wireless receiving module M7, on synchronization
Position machine terminal module M9 only receives seismic data acquisition unit U1 data, so as to ensure the reliability of gathered data.On
Position machine terminal module M9 Computers terminal will receive the GPS location corresponding with seismic data acquisition unit U1 ID codings
Information, electric quantity of power supply information, collecting unit status information and geological data, through FORWARD AND INVERSE PROBLEMS calculating and plotting stratum wave speed distribution
Figure, it can be explored according to wave speed distribution figure for geological resource and engineering construction provides instruction.
Above-described embodiment of the present utility model is only intended to clearly illustrate the utility model example, and is not
Restriction to the utility model embodiment.For those of ordinary skill in the field, on the basis of the above description
It can also make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And
These belong to the obvious changes or variations that connotation of the present utility model is extended out still fall within it is of the present utility model
Protection domain.
Claims (9)
- It is 1. a kind of based on the seismic signal acquiring system being wirelessly transferred, it is characterised in that：The system includes earthquake data acquisition list Member and user control unit totally two parts；The seismic data acquisition unit includes collection terminal power module, MEMS sensor Module, signal pre-processing module, MCU main control modules, GPS module and wireless sending module；Collection terminal power module respectively with MEMS sensor module, signal pre-processing module, MCU main control modules, GPS module connection, there is provided dc source；MEMS sensor Module is connected with signal pre-processing module；MCU main control modules respectively with wireless sending module, GPS module, signal pre-processing module Connection；The user control unit includes wireless receiving module, user terminal power module and host computer terminal module, wireless receiving Module connects with host computer terminal module, can two-way communication；User terminal power module is connected with wireless receiving module, there is provided direct current Power supply；Wireless sending module wirelessly connects in the wireless receiving module and seismic data acquisition unit.
- 2. according to claim 1 based on the seismic signal acquiring system being wirelessly transferred, it is characterised in that：The geological data Collecting unit can have one or more, may make up seismic data acquisition unit array；Do not done mutually between each seismic data acquisition unit Disturb, with user control unit wireless telecommunications.
- 3. according to claim 1 based on the seismic signal acquiring system being wirelessly transferred, it is characterised in that：The collection terminal electricity Source module uses 3.7V, 12Ah lithium battery group；User terminal power module uses 3.7V, 6Ah lithium battery group；Collection terminal power supply Module and user terminal power module contain some grades of linear voltage stabilization transforming circuits.
- 4. according to claim 1 based on the seismic signal acquiring system being wirelessly transferred, it is characterised in that：The MEMS sensings Device module uses MSCA3002 type capacitance acceleration transducers, the collection for seismic wave acceleration information.
- 5. according to claim 1 based on the seismic signal acquiring system being wirelessly transferred, it is characterised in that：The signal is located in advance Manage module include pga circuit, coupling and anti-aliasing isolation circuit, differential conversion drive circuit, multiplex electronics and A/D change-over circuits；The geological data that signal pre-processing module collects to front end MEMS sensor module is amplified, filtered With digital-to-analogue conversion pretreatment operation.
- 6. according to claim 1 based on the seismic signal acquiring system being wirelessly transferred, it is characterised in that：The MCU master controls Module is using C8051F020 type low-power scms as Master control chip；The MCU main control modules are responsible for the control of whole system System and data processing function.
- 7. according to claim 1 based on the seismic signal acquiring system being wirelessly transferred, it is characterised in that：The GPS module Using AI-GPS-V04 cake cores, the synchronous acquisition function of each earthquake array of acquisition units can be realized based on PPS pps pulse per second signals, GPS module also provides location information.
- 8. according to claim 1 based on the seismic signal acquiring system being wirelessly transferred, it is characterised in that：The wireless transmission The Xbee-Pro wireless radio frequency transmission chip communications based on ZigBee technology are used between module and wireless receiving module, are realized more logical Road networking, there is the transmission of host computer terminal module order, receive, and geological data wireless transmission function；The wireless hair Module and wireless receiving module is sent to be communicated using poll pattern, i.e., host computer terminal module gives earthquake data acquisition list successively Member issues control command, and synchronization host computer terminal module only receives the data of a seismic data acquisition unit.
- 9. according to claim 1 based on the seismic signal acquiring system being wirelessly transferred, it is characterised in that：The host computer is whole End module includes notebook or tablet personal computer terminal.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614290A (en) * | 2018-05-14 | 2018-10-02 | 中国地质大学（武汉） | A kind of wireless distributed three-component seismic data acquisition system based on LoRa technologies |
| CN108761526A (en) * | 2018-07-20 | 2018-11-06 | 中石化石油工程技术服务有限公司 | One kind being based on Labview untethereds seismic instrument and its test method |
| CN108828654A (en) * | 2018-07-20 | 2018-11-16 | 中石化石油工程技术服务有限公司 | A kind of nodal seismic data acquisition system based on Labview |
| CN108923878A (en) * | 2018-09-14 | 2018-11-30 | 扬州英迈克测控技术有限公司 | Based on the wireless sensor node synchronous with GPS time service of WiFi |
| CN109001997A (en) * | 2018-07-13 | 2018-12-14 | 安徽云图信息技术有限公司 | A kind of anti-tampering environment information acquisition system |
| CN109445318A (en) * | 2018-09-24 | 2019-03-08 | 武汉研润科技发展有限公司 | A kind of internet-of-things terminal control method for petrochemical industry detection |
| CN109653734A (en) * | 2018-12-06 | 2019-04-19 | 中石化石油工程技术服务有限公司 | A kind of multi-parameter measurement while drilling information ground receiving system and method |
| CN109738941A (en) * | 2019-01-29 | 2019-05-10 | 大连大学 | A kind of STRONG MOTION DATA acquisition system based on wireless technology |
| CN110456411A (en) * | 2019-07-31 | 2019-11-15 | 武汉安保通科技有限公司 | A kind of wireless exploration device based on 4G module |
| CN110751818A (en) * | 2019-10-12 | 2020-02-04 | 湖南科技大学 | Distributed bridge real-time monitoring system based on LORA wireless communication |
| CN110942610A (en) * | 2019-12-10 | 2020-03-31 | 大连理工大学 | Intelligent rock microseismic acquisition and data wireless transmission system |
| CN110941016A (en) * | 2018-09-21 | 2020-03-31 | 中国石油化工股份有限公司 | Real-time transmission distributed shallow well microseism monitoring data acquisition system and method |
| CN112415578A (en) * | 2020-10-20 | 2021-02-26 | 山东大学 | Wireless sensor and method for acquiring tunnel seismic wave signals |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108614290A (en) * | 2018-05-14 | 2018-10-02 | 中国地质大学（武汉） | A kind of wireless distributed three-component seismic data acquisition system based on LoRa technologies |
| CN109001997A (en) * | 2018-07-13 | 2018-12-14 | 安徽云图信息技术有限公司 | A kind of anti-tampering environment information acquisition system |
| CN108761526A (en) * | 2018-07-20 | 2018-11-06 | 中石化石油工程技术服务有限公司 | One kind being based on Labview untethereds seismic instrument and its test method |
| CN108828654A (en) * | 2018-07-20 | 2018-11-16 | 中石化石油工程技术服务有限公司 | A kind of nodal seismic data acquisition system based on Labview |
| CN108923878A (en) * | 2018-09-14 | 2018-11-30 | 扬州英迈克测控技术有限公司 | Based on the wireless sensor node synchronous with GPS time service of WiFi |
| CN108923878B (en) * | 2018-09-14 | 2024-03-22 | 扬州英迈克测控技术有限公司 | Sensor node based on WiFi wireless and GPS time service synchronization |
| CN110941016A (en) * | 2018-09-21 | 2020-03-31 | 中国石油化工股份有限公司 | Real-time transmission distributed shallow well microseism monitoring data acquisition system and method |
| CN109445318A (en) * | 2018-09-24 | 2019-03-08 | 武汉研润科技发展有限公司 | A kind of internet-of-things terminal control method for petrochemical industry detection |
| CN109653734A (en) * | 2018-12-06 | 2019-04-19 | 中石化石油工程技术服务有限公司 | A kind of multi-parameter measurement while drilling information ground receiving system and method |
| CN109738941A (en) * | 2019-01-29 | 2019-05-10 | 大连大学 | A kind of STRONG MOTION DATA acquisition system based on wireless technology |
| CN110456411A (en) * | 2019-07-31 | 2019-11-15 | 武汉安保通科技有限公司 | A kind of wireless exploration device based on 4G module |
| CN110751818A (en) * | 2019-10-12 | 2020-02-04 | 湖南科技大学 | Distributed bridge real-time monitoring system based on LORA wireless communication |
| CN110942610A (en) * | 2019-12-10 | 2020-03-31 | 大连理工大学 | Intelligent rock microseismic acquisition and data wireless transmission system |
| CN112415578A (en) * | 2020-10-20 | 2021-02-26 | 山东大学 | Wireless sensor and method for acquiring tunnel seismic wave signals |
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