CN107146393A - A kind of node seismic detector working condition field monitoring method based on handheld terminal - Google Patents

A kind of node seismic detector working condition field monitoring method based on handheld terminal Download PDF

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Publication number
CN107146393A
CN107146393A CN201710420601.1A CN201710420601A CN107146393A CN 107146393 A CN107146393 A CN 107146393A CN 201710420601 A CN201710420601 A CN 201710420601A CN 107146393 A CN107146393 A CN 107146393A
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CN
China
Prior art keywords
handheld terminal
acquisition station
data
module
station
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Pending
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CN201710420601.1A
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Chinese (zh)
Inventor
陈祖斌
赵发
张林行
孙锋
朱亚东洋
王丽芝
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Jilin University
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Jilin University
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Priority to CN201710420601.1A priority Critical patent/CN107146393A/en
Publication of CN107146393A publication Critical patent/CN107146393A/en
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    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/22Transmitting seismic signals to recording or processing apparatus
    • G01V1/223Radioseismic systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

The present invention relates to a kind of node seismic detector working condition field monitoring method based on handheld terminal, its major function is to carry out real-time status inquiry, data transfer and simple fault diagnosis to the acquisition station during Fracturing Monitoring using handheld terminal.This method does the communication serial port of acquisition station master control borad using low-power consumption bluetooth module, and data interaction is carried out by bluetooth interconnection and handheld terminal.The method can not only reduce power consumption of the acquisition station in communication, and the data transfer of handheld terminal and acquisition station can be made to become more rapid efficient, bandwidth be added while also being reclaimed for the real time data in microseism Fracturing Monitoring, with higher engineering application value.

Description

A kind of node seismic detector working condition field monitoring method based on handheld terminal
Technical field
The invention belongs to microseism technical field of data transmission, and in particular to a kind of node seismic detector based on handheld terminal Working condition field monitoring method.
Background technology
Microseism Fracturing Monitoring technology is an important new skill in recent years in Low permeable oil and gas reservoirs fracturing reform field Art.For most of oil gas field well spacing it is big the characteristics of, and combine Field Monitoring Technique application requirement, it is necessary near well head side Arrange many wave detectors and wireless microseism data collection station to monitor fractured well in pressure break mistake on ground in several kilometer ranges of circle The microearthquake wave induced in journey.In order to be able to the acquisition station in work on the spot is carried out in time real-time status inquiry, data transfer and Simple fault diagnosis using a kind of easy to carry, movable wireless communication terminal and acquisition station, it is necessary to be interacted.
With the development of wireless communication technology and mobile terminal technology, Bluetooth technology is provided more for short-distance wireless communication Plus economic and safety communication mode.And low-power consumption bluetooth technology has ultralow stand-by power consumption and operation power consumption, this is accorded with very much Close the growth requirement of current device and Internet of Things.Communication party between communication equipment can not only effectively be simplified by Bluetooth technology Formula, and data transfer can be made to become more rapid efficient, meanwhile, also widen road for radio communication.
At present, wireless microseism data collection station both domestic and external is all carried out data transmission by the way of wireless network, existing Data collection is all to carry out data interaction by same wireless module in real time in field handheld terminal, acquisition station and fracturing process. When staff's handheld terminal and acquisition station are interacted, the communication bandwidth of data transfer in fracturing process can be not only taken, also Can be in communication, big with the change of interaction data amount, the power consumption of wireless module also becomes big.At the same time, due to complicated in the wild , when causing handheld terminal and acquisition station communication, there is the problem of data transmission efficiency is low in the unstability of wireless network in environment, So as to influence handheld terminal to check the real-time of microseism data acquisition waveform.
The content of the invention
The purpose of the present invention is with being that for above-mentioned the deficiencies in the prior art there is provided a kind of node based on handheld terminal Instrument working condition field monitoring method is shaken, this method does low-power consumption bluetooth module the communication serial port of acquisition station main control unit, only Data interaction is carried out with handheld terminal, it can not only reduce the overall power consumption of acquisition station, and can make handheld terminal and acquisition station Data transfer become it is more rapid efficiently, while being also that data record adds bandwidth in fracturing process.
The purpose of the present invention is achieved through the following technical solutions:
A kind of node seismic detector working condition field monitoring method based on handheld terminal, comprises the following steps:
Wave detector is embedded to underground by A, wave detector after being connected with acquisition station, and acquisition station is started shooting and carries out GPS location;
B, the bluetooth for opening handheld terminal, scan for adopting by the acquisition station search module of application program in mobile phone terminal Collection station station number and corresponding Bluetooth MAC address;
After C, search are finished, the acquisition station station number needed for user clicks on is matched;
Enter line command after D, successful matching, between handheld terminal and acquisition station and data are interacted;
E, by handheld terminal application program acquisition station information exchange module carry out to acquisition station status inquiry, parameter Set and data waveform is checked.
Step B, the pairing process obtains the MAC Address of acquisition station bluetooth for the application program of handheld terminal, passes through MAC Matched address.
Step E, the status inquiry includes:Inquire about station number, it is GPS states, acquisition state, memory space, available power, preceding Amplification gain, sampling interval, longitude, latitude and version number;Parameter setting includes sampling interval, preamplification gain, file record length Set, data waveform, which is checked, to be interacted in the form of dynamic dataflow.
The step of status inquiry and parameter setting is:Handheld terminal sends command frame, and acquisition station receives command frame;So Acquisition station starts check command frame afterwards, if order is effective, starts to parse and handles order, and return response frame;If order nothing Effect, then continue to monitor handheld terminal.
The step of data waveform is checked be:When user wants to check data waveform in acquisition station, corresponding life is sent Order, verify it is errorless after, acquisition station continuous can send data frame to handheld terminal, and be shown in the form of data flow handheld terminal Interface on.
The acquisition station is mainly made up of master control borad, analog board and wireless module, and wherein master control borad is by STM32F207 processing Device module, programmable CPLD module, GPS synchronization modules, TF data memory modules and bluetooth module are constituted;Analog board is by power supply mould 3 channel data acquisition modules of block, charging module and the compositions of the ADS1282 of 32 are constituted;Wherein STM32F207 processor dies Block is connected with bluetooth module constitutes communication serial port.
Compared with prior art, the beneficial effects of the present invention are:
The present invention does acquisition station communication serial port module using low-power consumption bluetooth, had both simplified handheld terminal and has been interconnected with acquisition station Process, in turn ensure that handheld terminal and acquisition station can carry out high speed, the data interaction of high stability in complex environment in the wild. This method effectively reduces power consumption of the acquisition station in communication, realizes between handheld terminal and acquisition station with data-stream form Interaction purpose, with higher engineering application value.
Brief description of the drawings
Fig. 1 is handheld terminal acquisition station search interface figure;
Fig. 2 is handheld terminal acquisition station interaction interface figure;
Fig. 3 is wireless microseism data acquisition station structural representation;
Fig. 4 is that acquisition station main control unit is connected circuit diagram with bluetooth module;
Fig. 5 is the Bluetooth communication protocol flow chart of handheld terminal and acquisition station.
Embodiment
The present invention provides a kind of node seismic detector working condition field monitoring method based on handheld terminal.In order that this hair Bright object, technical solution and advantage are more clearly understood, and below in conjunction with Figure of description, the present invention is described in detail.
During Fracturing Monitoring, in order to be able to which real-time status inquiry and simple event are carried out to the acquisition station in work on the spot in time Barrier diagnosis.The present invention provides following technical method:Using between handheld terminal and acquisition station by Bluetooth interconnection come interactive command And data, so as to understand the working condition of acquisition station.
" acquisition station inspection terminal " application program oneself write, main control unit and the indigo plant of acquisition station are installed on handheld terminal Tooth module, which is connected, does communication serial port.When handheld terminal and acquisition station enter line command and data interaction, completed by Bluetooth interconnection Communication.Wherein handheld terminal is the smart mobile phone of Android types." acquisition station inspection terminal " application program is in Android Developed on Studio platforms with Java language, its interface includes:Acquisition station search module and acquisition station information exchange module.
Fig. 1 is the acquisition station search module surface chart of " acquisition station inspection terminal " application program on handheld terminal, and its is main It is the MAC Address for showing the acquisition station station number searched and correspondence bluetooth;Fig. 2 is acquisition station information exchange module surface chart, It is mainly checked including status inquiry, parameter setting, impedance value and waveform.Wherein status inquiry has:Station number, GPS states, collection State, memory space, available power, preamplification gain, sampling interval, longitude, latitude, version number.Parameter setting can change collection The working condition stood, the order can cause acquisition station process to be restarted, and it mainly includes sampling interval, preamplification gain, file record The correlation such as length is set.Real-time waveform, which is checked, is mainly to look at the data waveform that the acquisition station in fracturing process is collected in real time. It mainly shows the data waveform of X, Y, Z passage of acquisition station.Real-time waveform look facility may also be used for examine acquisition station and The performance of wave detector and the failure of presence.
Fracturing Monitoring is live in the wild, when checking acquisition station working condition using handheld terminal, by the bluetooth of handheld terminal Open, open " acquisition station inspection terminal " application program, into acquisition station search interface, scan for corresponding acquisition station station Number.After search is finished, the acquisition station station number needed for user terminal can be clicked on is matched.This pairing process should for handheld terminal The MAC Address of acquisition station bluetooth is obtained with program, is matched by MAC Address.After successful matching, hand terminal Bluetooth and ground The success of instrument Bluetooth interconnection is shaken, line command and data interaction can be entered after successful connection, wherein the hop of data is with data flow Form transmitted.
Fig. 3 is wireless microseism data acquisition station structural representation, and acquisition station mainly includes master control borad, analog board and wireless mould Block.Its master control borad is by STM32F207 processor modules, programmable CPLD module, GPS synchronization modules, TF data memory modules, indigo plant Tooth module etc. is constituted;Analog board gathers mould by power supply module, charging module and the ADS1282 of 32 3 channel datas constituted Block is constituted.Wherein, the bluetooth module has ultralow stand-by power consumption and operation power consumption, when it is matched with handheld terminal, average Electric current is 35mA;During communication, electric current is 5~20mA;Pairing is finished when not communicating, and average current is 3mA;Bluetooth in the case of other In a dormant state.Bluetooth module has AFH (AFH) technology, and stable number can be preferably maintained in complex environment According to transmission.
Fig. 4 is the circuit diagram that acquisition station master control borad is connected with bluetooth module.Master control borad provides 3.3V's for bluetooth module Power supply, STM32F207 PA9 and PA10 pins and TXD_TTL the and RXD_TTL pins of bluetooth module are connected to form communication string Mouthful.In communication process, the baud rate for setting processor serial port is 115200.
Fig. 5 is the Bluetooth communication protocol flow chart of handheld terminal and acquisition station, and handheld terminal sends command frame, collection first Stand and receive command frame;Then acquisition station starts check command frame, if order is effective, starts to parse and handles order, and loopback Acknowledgement frame;If order is invalid, continue to monitor handheld terminal.
During Fracturing Monitoring, handheld terminal and acquisition station interaction detailed process are as follows:
After A, acquisition station start, the STA lamp quick flashings of bluetooth module, the state representation acquisition station does not match with handheld terminal It is right.
B, when carrying out instrument state inquiry or during data interaction, first turning on the bluetooth of handheld terminal, then open " collection Stand inspection terminal " APP softwares, start search into acquisition station search interface, then choose the acquisition station station number for wanting to check, enter Row pairing, after successful matching, the STA lamps of bluetooth module start double sudden strains of a muscle.
C, pairing process obtain the MAC Address of acquisition station bluetooth for the APP softwares of handheld terminal, are carried out by MAC Address Pairing.Successful matching is to represent to interconnect successfully, now can be with initiation command and data interaction, but the process needs acquisition station first fixed Position success, starting normal acquisition data could be carried out.
D, in command communication, handheld terminal first will send command frame, including status inquiry command frame, parameter setting life Make frame, waveform viewing command frame.Command frame format as shown in Table 1, wherein parameter<It is optional>Part is reserved byte, Ke Yishe The above is set to order accordingly.
The command frame format of table one
E, after acquisition station receives command frame, start check command frame, if verification is correct, return response frame, if not It is correct then continue snoop command.Response frame format such as table two, wherein parameter<It is optional>Part is association attributes parameter in acquisition station Value, including:Station number, GPS states, acquisition state, memory space, available power, preamplification gain, the sampling interval, longitude, latitude, Version number.
The response frame format of table two
F, when user wants to check data waveform in acquisition station, send corresponding order, verify it is errorless after, acquisition station can connect Continue to handheld terminal echo back data frame, and to be shown in the form of data flow on interface.Data frame such as table three, wherein X, Y, Z point Not Dui Ying acquisition station 3 passages.
The data frame format of table three
Use low-power consumption bluetooth proposed by the present invention does the method that acquisition station serial port module communicates with handheld terminal, it is ensured that Wireless microseism data collection station in mobile terminal in the wild complex environment with that can carry out at a high speed, the data interaction of high stability. Power consumption of the acquisition station in communication is not only reduced, and realizes handheld terminal mesh is interacted with data-stream form with acquisition station , with higher engineering application value.
Described above is only the better embodiment of the present invention, not makees any formal limitation to inventing type, Any simple modification that every technical spirit according to the present invention is made to embodiment of above, equivalent variations and modification, belong to In the scope of technical solution of the present invention.

Claims (6)

1. a kind of node seismic detector working condition field monitoring method based on handheld terminal, it is characterised in that including following step Suddenly:
Wave detector is embedded to underground by A, wave detector after being connected with acquisition station, and acquisition station is started shooting and carries out GPS location;
B, the bluetooth for opening handheld terminal, acquisition station is scanned for by the acquisition station search module of application program in handheld terminal Station number and corresponding Bluetooth MAC address;
After C, search are finished, the acquisition station station number needed for user clicks on is matched;
Enter line command after D, successful matching, between handheld terminal and acquisition station and data are interacted;
E, by handheld terminal application program acquisition station information exchange module carry out to acquisition station status inquiry, parameter setting Checked with data waveform.
2. a kind of node seismic detector working condition field monitoring method based on handheld terminal according to claim 1, its It is characterised by:Step B, the pairing process obtains the MAC Address of acquisition station bluetooth for the application program of handheld terminal, passes through MAC Address is matched.
3. a kind of node seismic detector working condition field monitoring method based on handheld terminal according to claim 1, its It is characterised by:Step E, the status inquiry includes:Inquire about station number, GPS states, acquisition state, memory space, available power, Preamplification gain, sampling interval, longitude, latitude and version number;Parameter setting is long including sampling interval, preamplification gain, file record Degree is set, and data waveform, which is checked, to be interacted in the form of dynamic dataflow.
4. a kind of node seismic detector working condition field monitoring method based on handheld terminal according to claim 1, its It is characterised by, is the step of the status inquiry and parameter setting:Handheld terminal sends command frame, and acquisition station receives command frame; Then acquisition station starts check command frame, if order is effective, starts to parse and handles order, and return response frame;If order It is invalid, then continue to monitor handheld terminal.
5. a kind of node seismic detector working condition field monitoring method based on handheld terminal according to claim 1, its It is characterised by, the step of data waveform is checked is:When user wants to check data waveform in acquisition station, corresponding life is sent Order, verify it is errorless after, acquisition station continuous can send data frame to handheld terminal, and be shown in the form of data flow handheld terminal Interface on.
6. a kind of node seismic detector working condition field monitoring method based on handheld terminal according to claim 1, its It is characterised by:The acquisition station is mainly made up of master control borad, analog board and wireless module, and wherein master control borad is by STM32F207 Device module, programmable CPLD module, GPS synchronization modules, TF data memory modules and bluetooth module is managed to constitute;Analog board is by powering 3 channel data acquisition modules of module, charging module and the compositions of the ADS1282 of 32 are constituted;Wherein STM32F207 processors Module is connected with bluetooth module constitutes communication serial port.
CN201710420601.1A 2017-06-07 2017-06-07 A kind of node seismic detector working condition field monitoring method based on handheld terminal Pending CN107146393A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN109511104A (en) * 2018-12-03 2019-03-22 中国石油天然气集团有限公司 Data transmission set, system, method
CN111262284A (en) * 2018-11-30 2020-06-09 中国石油天然气集团有限公司 Node unit, wireless charging device and system, and charging box
WO2021203621A1 (en) * 2020-04-10 2021-10-14 巨邦集团有限公司 Electrical appliance with automatic changeover switch

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009139105A (en) * 2007-12-03 2009-06-25 Sharp Corp Household earthquake determination apparatus and household electric appliance system
CN101661111A (en) * 2009-09-09 2010-03-03 中国科学院地质与地球物理研究所 Method for performing seismograph control and data transmission by using short message and short message control and transmission type cableless seismograph
CN104020746A (en) * 2014-06-18 2014-09-03 吉林大学 Cable-free seismometer long-distance quality monitoring and control system and outdoor quality monitoring and control method
CN104391321A (en) * 2014-12-16 2015-03-04 吉林大学 Low-power-consumption power supply management system and management method for cable-less storage type seismograph
US20160127012A1 (en) * 2014-10-31 2016-05-05 Ossia Inc. Techniques for filtering multi-component signals
CN205749926U (en) * 2016-06-17 2016-11-30 北京中元瑞讯科技有限公司 Based on MCU and the intelligence sensor of bluetooth

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009139105A (en) * 2007-12-03 2009-06-25 Sharp Corp Household earthquake determination apparatus and household electric appliance system
CN101661111A (en) * 2009-09-09 2010-03-03 中国科学院地质与地球物理研究所 Method for performing seismograph control and data transmission by using short message and short message control and transmission type cableless seismograph
CN104020746A (en) * 2014-06-18 2014-09-03 吉林大学 Cable-free seismometer long-distance quality monitoring and control system and outdoor quality monitoring and control method
US20160127012A1 (en) * 2014-10-31 2016-05-05 Ossia Inc. Techniques for filtering multi-component signals
CN104391321A (en) * 2014-12-16 2015-03-04 吉林大学 Low-power-consumption power supply management system and management method for cable-less storage type seismograph
CN205749926U (en) * 2016-06-17 2016-11-30 北京中元瑞讯科技有限公司 Based on MCU and the intelligence sensor of bluetooth

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张晓普: "《中国优秀硕士学位论文全文数据库 信息科技辑》", 30 September 2016 *
王晓磊: "B/S构架侧震实时波形可视化研究", 《地震地磁观测与研究》 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN111262284A (en) * 2018-11-30 2020-06-09 中国石油天然气集团有限公司 Node unit, wireless charging device and system, and charging box
CN111262284B (en) * 2018-11-30 2021-11-30 中国石油天然气集团有限公司 Node unit, wireless charging device and system, and charging box
CN109511104A (en) * 2018-12-03 2019-03-22 中国石油天然气集团有限公司 Data transmission set, system, method
CN109511104B (en) * 2018-12-03 2022-06-03 中国石油天然气集团有限公司 Data transmission device, system and method
WO2021203621A1 (en) * 2020-04-10 2021-10-14 巨邦集团有限公司 Electrical appliance with automatic changeover switch

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