CN205788714U - A kind of 32 triple channel synchronous data collection devices with wireless self-networking function - Google Patents
A kind of 32 triple channel synchronous data collection devices with wireless self-networking function Download PDFInfo
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- CN205788714U CN205788714U CN201620473942.6U CN201620473942U CN205788714U CN 205788714 U CN205788714 U CN 205788714U CN 201620473942 U CN201620473942 U CN 201620473942U CN 205788714 U CN205788714 U CN 205788714U
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
Abstract
The utility model discloses a kind of 32 triple channel synchronous data collection devices with wireless self-networking function, comprising: processor controls three 32 ADC chip ADS1282, and three tunnel analogue signals carry out synchronously simulating/numeral conversion, transformation result is saved in document form in the USB flash disk being connected to processor USB interface.Processor connects GPS module and carries out GPS time service and location, connects LCD and shows, is also connected with a ZigBee module and communicates wirelessly.Harvester consists of the network that can interconnect the MANET function of ZigBee module, and the monitoring software on far-end server carries out status monitoring and control by ZigBee module to the data acquisition unit in network.Harvester of the present utility model is easy to field deployment and is carried out synchronous acquisition and the storage of triple channel signal, has Wireless ad hoc networks and remotely monitors, and is adapted as micro-earthquake monitoring system and uses.
Description
Technical field
This utility model relates to data acquisition equipment field, is specifically related to a kind of 32 triple channel synchronous data collection devices with wireless self-networking function.
Background technology
When carrying out micro-seismic monitoring, typically can dispose in the range of several square kilometres several, tens, the most up to a hundred monitoring stations.Field management to these monitoring stations is extremely important, without remote wireless monitoring, it is desirable to have personnel constantly make an inspection tour, and check the working condition of each harvester, opens or stops gathering.Can deal with in the less fashion of website number and get, when website number is more, manual supervisory workload is the biggest, it is difficult to monitoring the most in time.
Conventional Microseismic data collector also has employing wireless monitor, but typically uses the man-to-man communication modes of radio frequency, cannot interconnect between website, and communication distance is limited between points, so also can only be less at website number, it is suitable for when website distribution is less.
Utility model content
The technical problems to be solved in the utility model is aiming at the above-mentioned actual demand to Microseismic data collector, it is provided that a kind of have wireless self-networking function, be easy to field dispose and the high-performance 32-bit triple channel synchronous data collection device of remote wireless monitoring.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of 32 triple channel synchronous data collection devices with wireless self-networking function, it is characterized in that, described harvester includes: processor, three 32 ADC chips, memorizer, GPS module and ZigBee module；
Wherein, three 32 ADC chips are connected with processor, and processor controls three 32 ADC chips and three tunnel analogue signals carry out synchronously simulating/numeral conversion, and transformation result is saved in the memorizer being connected with processor with document form data；
Processor connects GPS module, and processor is read in gps coordinate and gps time data the File header information that recorded each data file by GPS module；
Processor is also connected with ZigBee module and communicates wirelessly, and described harvester is by the harvester network of the MANET function of ZigBee module with the composition interconnection of other harvesters.
Preferably, three tunnel transformation results of sampling are stored in a data point every time, each data point comprises 3 arrays, each array is both provided with data second o'clock sharp flag bit, processor reads GPS second pulse signal also by GPS module in data acquisition, and per second read described GPS second pulse signal after by this second first the whole second flag bit of the data point of sample conversion result be collectively labeled as 1, the whole second flag bit of the data point of remaining sample conversion result is collectively labeled as 0, make the precise time of each data point in the mark potential energy of whole second of each data point calculates this data file in the gps time of the file header record according to each data file and this data file.
Preferably, described 32 ADC chips are ADS1282.
Preferably, connected by three simulating SPI by software interfaces between processor and three ADS1282 chips, but share SPI clock cable, by the parallel work-flow of three SPI interface is realized triple channel synchronous data collection.
Preferably, described harvester also includes: starts/stops key, test button and LCD；Wherein, processor connects respectively and starts/stop key, tests button and LCD；Start/stop key for starting or stopping data acquisition；Test button is for showing the waveform of three tunnel analogue signals in real time on LCD, and the working sensor testing described analogue signal source is the most normal.
Preferably, described memorizer is USB flash disk.
Preferably, the monitoring software on far-end server accesses described harvester network by ZigBee module, carries out communication with each harvester, is monitored the state of each harvester and controls.
The beneficial effects of the utility model are: harvester connects three ADS1282 chips, by the parallel work-flow of three ADS1282 chips realizes the synchronous acquisition of three road signals.Harvester reads gps coordinate and time by GPS module and recorded in File header information, obtains GPS second pulse marking signal and merge with gathering data point, the temporal information of each data point of precise marking in collection.Harvester forms ad hoc network by ZigBee module, can be with trunk interconnection between website, arbitrarily extensible website number and the scope of deployment.Server end accesses the ZigBee-network of harvester, can remotely be monitored the state of each website by software.The data of harvester collection are saved in USB flash disk with document form, and wireless sensor network is only acquired device condition monitoring, and such system is easy to field deployment, it is simple to the real-time monitoring of collector status.
Accompanying drawing explanation
Fig. 1 is the structure chart of harvester of the present utility model.
Fig. 2 is the connection diagram of three ADS1282 chips of the present utility model and GPS module and processor.
Fig. 3 is that three SPI interface of the present utility model read in the byte data sequential logic schematic diagram to processor.
Fig. 4 is the program flow diagram that three SPI interface of the present utility model read in a byte data parallel.
Fig. 5 is that GPS module pps pulse per second signal of the present utility model, ADS1282 convert marking signal and data point whole second flag bit schematic diagram.
Fig. 6 is to utilize INT0 to interrupt having interrupted ADC transformation result with INT1 to read the process chart with GPS second pulse labeling.
Fig. 7 is the ad hoc network schematic diagram of multiple harvester of the present utility model and monitoring computer composition.
Fig. 8 is that ZigBee module of the present utility model receives instruction explanation execution functional diagram.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be better understood from this utility model and can be practiced, but illustrated embodiment is not as to restriction of the present utility model.
In view of micro-seismic monitoring requires that the website number used gets more and more, even up to more than 100, the deployment of up to a hundred websites and control must use the wireless network communication technology of advanced person.ZigBee-network is a kind of wireless network with MANET function, can interconnect between adjacent node, and data transmission can be on-the-spot without any setting with automatic relay, is particularly suitable for the deployment of field micro-earthquake monitoring system.
Microseism signal is the faintest, and the out-put dynamic range of seismic sensor is bigger, it requires that the circuit noise of data acquisition unit is the lowest, and the dynamic range of ADC is bigger.At present, general seismic signal harvester uses 24 ADC devices.This utility model uses 32 ADC chip ADS1282 of peak performance.ADS1282 chip internal is integrated with programmable gain amplifier (PGA), 32 analog/digital converters and digital filter, has higher integrated level and circuit performance based on ADS1282 design seismic signal harvester.
Present micro-seismic monitoring typically requires to use 3-component earthquake detector, to obtain complete wave field information.3-component earthquake detector has three road analog output signals, and this three roads signal must synchronize to be simulated/numeral conversion, to ensure that each road signals collecting is without time difference.
ZigBee-network communication speed ratio is relatively low, and the data volume that 3-component earthquake signals collecting produces is bigger, when particularly website number reaches tens or up to a hundred, it is impossible to realizes collection limit, limit by ZigBee-network and transmits.So, harvester must have the memorizeies such as USB flash disk, and for locally stored data, and wireless network is only used for the condition monitoring of harvester, or does not carries out file transmission when carrying out data conversion at harvester.
With reference to Fig. 1, the basic structure of a kind of 32 triple channel synchronous data collection devices with wireless self-networking function of this utility model.The DC input voitage of 7 ~ 9V is converted to the burning voltages such as+5.0V ,+3.3V ,+2.5V ,-2.5V by power circuit, and other each chips of power circuit board use.Three 32 ADC chip ADS1282 are connected with processor, each ADS1282 chip can connect a road differential analog input signal, processor controls three ADS1282 and three tunnel analogue signals carries out synchronously simulating/numeral conversion, and transformation result is saved in document form in the USB flash disk being connected to processor USB interface.Processor connects GPS module and carries out GPS time service and location, and the gps coordinate of reading and gps time data write the file header of each file.The LCD that processor connects shows for information, and three operation buttons on harvester can control to start or stop to gather, three road signals are acquired test.Processor connects a ZigBee module and communicates wirelessly.Data acquisition unit consists of the network that can interconnect the MANET function of ZigBee module, and the monitoring software on far-end server carries out status monitoring and control by ZigBee-network to the data acquisition unit in network.
Fig. 2 is the connection diagram of three ADS1282 chips of the present utility model and GPS module and processor.Each ADS1282 chip has 3 to control input signal cable ADC_PWDN, ADC_RST, ADC_SYNC, 3 I/O port output these three holding wires of processor, and holding wire identical with three ADS1282 connects；Each ADS1282 has an output signal line ADC_DRDY, when completing ADC conversion, in output, skip signal represents and converts, the ADC_DRDY signal of three ADS1282 accesses three line wire jumpers, a road is only selected to access the input signal cable ADC_ReadyIRQ of processor, as external interrupt signal source INT0；The data-interface of ADS1282 is SPI interface, the SPI_CLK of processor is as SPI interface clock signal, it is simultaneously connected with three ADS1282, the processor inputoutput data line of 6 I/O port three SPI of simulation, it is connected with the SPI interface data wire of three ADS1282 respectively.On processor, 6 I/O ports for SPI interface data manipulation must be with a port, such as PA mouth, is used for realizing the parallel work-flow of three SPI interface.Data communication is carried out by UART mouth between GPS module and processor, GPS module has pulse per second (PPS) output signal GPS_TimeIRQ, time point in each whole second, GPS_TimeIRQ can export a upper pulse signal jumping edge, this signal accesses processor, as an external interrupt signal source INT1.
Fig. 3 is that three SPI interface of the present utility model read in the byte data sequential logic schematic diagram to processor.The SO(Salve output of three SPI) data wire is all linked on the same port of processor, such as PA3=X_SO,
PA1=Y_SO, PA6=Z_SO, define byte type array IN [8], within a clock cycle of SPI_CLK, read in the data of a PA mouth, and carry out and operation with shielding data (that three SO lines are corresponding as shown in the figure is 0x4A), be saved in array IN.So, within a SPI clock cycle, read in a bit data of three SPI port, within 8 SPI_CLK cycles, it is possible to read a byte data of three SPI port the most simultaneously.
Fig. 4 is the program flow diagram that three SPI interface read in a byte data parallel.First being the parallel input data reading in three SPI port within 8 SPI_CLK cycles, be saved in array IN, then, then the data storing IN [0] to IN [7] carry out serial parsing, obtain the data of a byte of each SPI interface input.Such as in Fig. 3, a byte data of ADC_X input is 0xA6, and a byte data of ADC_Y input is 0x6B, and a byte data of ADC_Z input is 0x99.
Fig. 5 is that GPS module pps pulse per second signal of the present utility model, ADS1282 convert marking signal and data point whole second flag bit schematic diagram.GPS module has a pps pulse per second signal output pin, and this pin sent when each whole time second jumps along signal on one, such as, at 13: 23: 04, the time precision of pps pulse per second signal is 10ns, such that it is able to as precise time demarcation signal.Pulse per second (PPS) sends jumping along after signal, and the serial ports of GPS starts to export GPS character string.Using this pps pulse per second signal as external interrupt INT1 of processor, and jump along triggering upper.After programme-control ADS1282 starts conversion, along output, three ADS1282 are carried out timing synchronization by the upper jumping of ADC_SYNC pin when the 1st pulse per second (PPS) of INT1 is interrupted.Convert signal (ADC_DRDY) to be issued by jumping along signal after often completing an ADC conversion, read conversion data in time with notifier processes device, this signal is connect the external interrupt INT0 of processor, and jumps along triggering upper.ADC_DRDY trigger the cycle relevant with the sample frequency of ADS1282, if ADS1282 sample frequency is 1000Hz, then ADC_DRDY trigger the cycle be 1ms(i.e. in the case of sample frequency is 1000Hz, every 1ms sampling once, produce a sampled point).Three tunnel transformation results of sampling are storable in a data point every time, and each data point comprises 3 arrays, and each array is both provided with data second o'clock sharp flag bit.The interrupt priority level of the INT0 interrupt priority level higher than INT1, by INT0 and INT1 interrupt handling routine, the whole second flag bit of the 1st data point read after GPS second pulse-break is set to 1, and the whole second flag bit of other time data points is set to 0, realizes the time labelling of data point with this.
Fig. 6 is to utilize INT0 to interrupt having interrupted ADC transformation result with INT1 to read the process chart with GPS second pulse labeling.In GPS second pulse-break INT1 processing routine, when interrupting every time, global variable GPS_TB is set to 1, represents and just have received pps pulse per second signal.In ADS1282 converts the processing routine of interrupt INT 0, the converting result data of 3 ADS1282 is read in time parallel from SPI port, and it is saved in three bytes type array X [4], Y [4], Z [4] inner (setting X [0] is highest order byte, and X [3] is lowest order byte) respectively.Judge whether global variable GPS_TB is 1 again, if GPS_TB is 1, then X [3], Y [3], the extreme lower position of Z [3] are 1 and global variable GPS_TB is set to 0, it is otherwise 0 by X [3], Y [3], the extreme lower position of Z [3], then the content of X, Y, Z array is saved in relief area successively.After one relief area is filled with, just it is saved in file, so, each data point is just with time labelling, can be according to the gps time of file header record and the whole second flag bit of data point, the time of each data point in reckoning file, and check that data sampling is the most accurate.
Fig. 7 is the ad hoc network schematic diagram of multiple harvester of the present utility model and monitoring computer composition.Having a ZigBee module on each harvester, ZigBee module is connected with processor by UART interface, and the ZigBee module of harvester is generally configured to route point, and route point can interconnect with MANET.One ZigBee-network can only have a focal point, and monitoring computer passes through one ZigBee coordinator of wired connection, thus realizes wireless telecommunications with all harvesters in ZigBee-network.Each ZigBee module has unique 64 ID, and monitoring computer sends instruction to certain harvester must specify its 64 ID, and so, monitoring computer can monitor each specific harvester.Special 64 ID can also be specified to realize mass-sending when sending instruction, such as, mass-sending controls all harvesters and starts to gather.
Fig. 8 is to explain after harvester of the present utility model receives instruction by ZigBee module to perform functional diagram.Monitoring software on monitoring computer sends instruction to harvester, and the basic format of instruction is " # type letter: parameter 1;Parameter 2;", i.e. start with " # ", followed by a letter as instruction type, then with one ": ", be followed by order parameter, if having multiple parameter with ";" separate, last character be ";", instruction terminates with hexadecimal number 0D0A.Such as instruction " #A:0;" represent site number to be inquired about, " #B:0 " represents GPS character string to be inquired about.After the reception of the harvester UART by being connected with ZigBee module is interrupted receiving a complete instruction, extract instruction type and order parameter, then make corresponding operation according to instruction type and parameter and respond.
This utility model uses software three SPI interface of simulation, control three ADS1282 and three tunnel analogue signals are carried out 32 bit synchronization ADC conversions, and use GPS second pulse signal to carry out time labelling to gathering data point, realized the Accurate Estimation of the time of each data point by the gps time of file header record.Each harvester of the present utility model has ZigBee module, can interconnect one Mesh network of composition between multiple harvesters.On-site supervision computer accesses the ZigBee-network of multiple harvesters by ZigBee router, can remotely monitor each harvester.This utility model had both achieved high performance triple channel 32 bit synchronization collection and storage, had again ZigBee-network, it is simple to the deployment under wild environment and operation, the wireless networking micro-seismic monitoring being particularly suitable under wild environment.
Embodiment described above is only the preferred embodiment lifted by absolutely proving this utility model, and protection domain of the present utility model is not limited to this.The equivalent that those skilled in the art are made on the basis of this utility model substitutes or conversion, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (7)
1. 32 triple channel synchronous data collection devices with wireless self-networking function, it is characterised in that described harvester includes: processor, three 32 ADC chips, memorizer, GPS module and ZigBee module；
Wherein, three 32 ADC chips are connected with processor, and processor controls three 32 ADC chips and three tunnel analogue signals carry out synchronously simulating/numeral conversion, and transformation result is saved in the memorizer being connected with processor with document form data；
Processor connects GPS module, and processor is read in gps coordinate and gps time data the File header information that recorded each data file by GPS module；
Processor is also connected with ZigBee module and communicates wirelessly, and described harvester is by the harvester network of the MANET function of ZigBee module with the composition interconnection of other harvesters.
A kind of 32 triple channel synchronous data collection devices with wireless self-networking function the most according to claim 1, it is characterized in that, three tunnel transformation results of sampling are stored in a data point every time, each data point comprises 3 arrays, each array is both provided with data second o'clock sharp flag bit, processor reads GPS second pulse signal also by GPS module in data acquisition, and per second read described GPS second pulse signal after by this second first the whole second flag bit of the data point of sample conversion result be collectively labeled as 1, the whole second flag bit of the data point of remaining sample conversion result is collectively labeled as 0, make the precise time of each data point in the mark potential energy of whole second of each data point calculates this data file in the gps time of the file header record according to each data file and this data file.
A kind of 32 triple channel synchronous data collection devices with wireless self-networking function the most according to claim 1, it is characterised in that described 32 ADC chips are ADS1282.
A kind of 32 triple channel synchronous data collection devices with wireless self-networking function the most according to claim 3, it is characterized in that, connected by three simulating SPI by software interfaces between processor and three ADS1282 chips, but share SPI clock cable, by the parallel work-flow of three SPI interface is realized triple channel synchronous data collection.
A kind of 32 triple channel synchronous data collection devices with wireless self-networking function the most according to claim 1, it is characterised in that described harvester also includes: starts/stops key, test button and LCD；
Wherein, processor connects respectively and starts/stop key, tests button and LCD；
Start/stop key for starting or stopping data acquisition；
Test button is for showing the waveform of three tunnel analogue signals in real time on LCD, and the working sensor testing described analogue signal source is the most normal.
A kind of 32 triple channel synchronous data collection devices with wireless self-networking function the most according to claim 1, it is characterised in that described memorizer is USB flash disk.
7. according to a kind of 32 the triple channel synchronous data collection devices with wireless self-networking function described in any claim in claim 1-6, it is characterized in that, monitoring software on far-end server accesses described harvester network by ZigBee module, carry out communication with each harvester, the state of each harvester is monitored and controls.
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| CN2016102653389 | 2016-04-26 | ||
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| CN201610343065.5A Expired - Fee Related CN105844887B (en) | 2016-04-26 | 2016-05-20 | A kind of 32 triple channel synchronous data collection devices with wireless self-networking function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105844887A (en) * | 2016-04-26 | 2016-08-10 | 中国石油大学(华东) | 32-bit three-channel synchronous data acquisition device with wireless ad-hoc network function |
| CN111157784A (en) * | 2019-12-31 | 2020-05-15 | 浙江华云信息科技有限公司 | Multi-loop electric measurement synchronous sampling device and sampling method thereof |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802429B (en) * | 2017-03-14 | 2018-09-14 | 朱培民 | A kind of quasi real time untethered network seismic detector system based on super wideband wireless module |
| CN106933160A (en) * | 2017-04-24 | 2017-07-07 | 卓雅创景能源科技（天津）有限公司 | A kind of universal electric power carrier wave concentrated collection device |
| CN107831534A (en) * | 2017-12-15 | 2018-03-23 | 合肥国为电子有限公司 | Untethered memory-type seismic detector data acquisition device and method based on USB flash disk interaction |
| CN117288316A (en) * | 2018-04-25 | 2023-12-26 | 南京航空航天大学 | Vibration signal acquisition method for distributed wireless synchronous networking |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8351409B2 (en) * | 2005-04-22 | 2013-01-08 | Axiometric, Llc | Timing synchronization in wireless mesh networks |
| CN201247061Y (en) * | 2008-08-29 | 2009-05-27 | 北京市市政工程研究院 | Multichannel synchronized signal collection device |
| JP5430481B2 (en) * | 2010-04-12 | 2014-02-26 | 三菱電機株式会社 | Gateway and terminal |
| CN102768364B (en) * | 2012-07-20 | 2016-05-11 | 中国科学院地质与地球物理研究所 | Combine wireless and without the earthquake-capturing station of cable function |
| CN102565850A (en) * | 2012-01-01 | 2012-07-11 | 成都理工大学 | Wireless telemetry seismic signal acquisition system |
| CN102404871B (en) * | 2012-01-01 | 2014-10-15 | 成都理工大学 | Distributed wireless ad hoc network |
| CN103687077A (en) * | 2012-09-19 | 2014-03-26 | 青岛高校信息产业有限公司 | Wireless data acquisition device with ad hoc network function |
| CN205788714U (en) * | 2016-04-26 | 2016-12-07 | 中国石油大学(华东) | A kind of 32 triple channel synchronous data collection devices with wireless self-networking function |
-
2016
- 2016-05-20 CN CN201620473942.6U patent/CN205788714U/en not_active Withdrawn - After Issue
- 2016-05-20 CN CN201610343065.5A patent/CN105844887B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105844887A (en) * | 2016-04-26 | 2016-08-10 | 中国石油大学(华东) | 32-bit three-channel synchronous data acquisition device with wireless ad-hoc network function |
| CN111157784A (en) * | 2019-12-31 | 2020-05-15 | 浙江华云信息科技有限公司 | Multi-loop electric measurement synchronous sampling device and sampling method thereof |
| CN111157784B (en) * | 2019-12-31 | 2022-08-19 | 浙江华云信息科技有限公司 | Multi-loop electric measurement synchronous sampling device and sampling method thereof |
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| Publication number | Publication date |
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| CN105844887B (en) | 2017-06-23 |
| CN105844887A (en) | 2016-08-10 |
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