CN206096488U - Microseism data acquisition and memory system based on STM32 - Google Patents
Microseism data acquisition and memory system based on STM32 Download PDFInfo
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- CN206096488U CN206096488U CN201621087089.0U CN201621087089U CN206096488U CN 206096488 U CN206096488 U CN 206096488U CN 201621087089 U CN201621087089 U CN 201621087089U CN 206096488 U CN206096488 U CN 206096488U
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Abstract
The utility model discloses a microseism data acquisition and memory system based on STM32, this system design is reasonable, easy operation, efficient and low -power consumption, small and the quality is light, can adapt to to use under abominable open -air environment. The data precision of signal after filtering amplification, AD conversion of gathering through this system is high, and dynamic is big. The SEG of accepted standard the Y format stored microseism data can reflect the secret microseism signal waveform who slight shocks the sensor receipt directly perceivedly, can provide reliable data for analysis microseism incident, can satisfy the requirement of microseism realtime data acquisition and storage.
Description
Technical field
The utility model belongs to data acquisition and field of data storage, more particularly to a kind of microseism number based on STM32
According to collection and storage system.
Background technology
At present, Mine Disasters occur often, and the safety problem in mining area becomes the emphasis of enterprise and attention from government.Mine disaster thing
Therefore occur typically with coal mining after the rock rupture that causes of redistribution of stress have relation, rock rupture can be supervened
The weaker seismic wave of intensity, referred to as " microseism ".Microseism data is gathered and storage system, should complete the collection of microseism data,
By the data real-time storage of collection into SD card.The data stored according to time and passage in by analyzing SD card, with
Just staff carries out labor to microseismic event, and for safety in production guidance is provided.Existing microseism data collection and storage
, there is shortcoming in terms of collection with storage in system：Acquisition precision is low, it is impossible to ensure the integrality of data so that later data
Data error rate increases during process；Data storage is lack of standardization, it has not been convenient to which the later stage is analyzed with professional software to data；Storage effect
Rate is low so that not complete at the appointed time stores microseism data to SD card, has lost data, it is impossible to which complete reduction is micro-
Time and position that the waveform and determination microseismic event of shake signal occurs.
Utility model content
For the shortcoming of prior art, the utility model provides a kind of microseism data collection based on STM32 and storage system
System, the system sampled data high precision, data processing speed is fast, can guarantee that the integrality of data；Microseism number is stored using SD card
According to storage efficiency is high, strong antijamming capability, can provide strong data for the follow-up analysis to microseismic event.
Realizing the technical scheme of the utility model purpose is：
A kind of microseism data collection and storage system based on STM32, mainly by microseismic sensors, signal conditioning circuit,
A/D converter circuit, STM32 controllers, GPS receiver module, SD card memory module and power module are constituted.
Microseismic sensors, signal conditioning circuit, A/D converter circuit, STM32 controllers are sequentially connected, and STM32 controllers are also
It is connected with GPS and SD card memory module.
Microseismic sensors are used to gather original microseismic signals, and signal feeding signal conditioning circuit is processed.
Signal conditioning circuit, including signal amplification circuit and signal filter circuit, signal amplification circuit and signal filtering electricity
Road is connected, and act as receiving the signal of microseismic sensors, and signal is amplified and A/D converter circuit is passed to after filtering.
A/D converter circuit is simulated the conversion with data signal, so that STM32 controllers are processed.
GPS receiver module provides accurate clock signal for system, and the foundation for file in SD card provides the time, it is ensured that
The time synchronized of each road sensor gathered data.
SD card memory module operates SD card new files to STM32 controllers, stores microseism data.
STM32 controllers are connected with A/D converter circuit, GPS receiver module and SD card memory module, act as receiving
The clock signal that GPS receiver module is provided is file designation newly-built in SD card, receives the numeral letter of A/D converter circuit conversion
Number, and signal is processed, the data handled well are transferred to into SD card memory module carries out data storage.
Beneficial effect
The utility model provides a kind of microseism data collection based on STM32 and storage system, and the system design is reasonable,
Simple to operate, efficiency high and low-power consumption, small volume and light weight adapt to be used under severe wild environment.It is by this
Data precision of the signal of system collection after amplification filtering, AD conversion is high, and dynamic range is big.Using the SEG-Y forms of standard
Storage microseism data, can intuitively reflect the microseismic signals waveform that underground microseismic sensors are received, and can be analysis microseism thing
Part provides reliable data, can meet the requirement of microseism data Real-time Collection and storage.
Description of the drawings
Fig. 1 is overall system architecture block diagram.
Fig. 2 is signal conditioning circuit figure.
Fig. 3 is microseism data Stored Procedure figure.
Specific embodiment
With reference to the accompanying drawings and examples the utility model is described in further detail.
Embodiment：
As shown in figure 1, a kind of microseism data collection and storage system based on STM32, mainly by microseismic sensors 1, letter
Number modulate circuit 3, A/D converter circuit 5, STM32 controllers 6, GPS receiver module 7, SD card memory module 8 and power module 9
Composition.
Microseismic sensors 1, signal conditioning circuit 3, A/D converter circuit 5, STM32 controllers 6 are sequentially connected, STM32 controls
Device 6 is also connected with GPS 7 and SD card memory module 8.
Microseismic sensors 1 are used to gather original microseismic signals, and signal feeding signal conditioning circuit 3 is processed.
Signal conditioning circuit 3, including signal amplification circuit 2 and signal filter circuit 4, signal amplification circuit 2 is filtered with signal
Wave circuit 4 is connected, and act as receiving the signal of microseismic sensors 1, and signal is amplified and AD conversion is passed to after filtering
Circuit 5.
A/D converter circuit 5 is simulated the conversion with data signal, so that STM32 controllers 6 are processed.
GPS receiver module 7 provides accurate clock signal for system, and the foundation for file in SD card provides the time, really
The time synchronized of Bao Ge roads sensor gathered data.
SD card memory module 8 operates SD card new files to STM32 controllers, stores microseism data.
STM32 controllers 6 are connected with A/D converter circuit 5, GPS receiver module 7 and SD card memory module 8, act as
The clock signal for receiving the offer of GPS receiver module 7 is file designation newly-built in SD card, receives the conversion of A/D converter circuit 5
Data signal, and signal is processed, the data handled well are transferred to into SD card memory module 8 carries out data storage.
As shown in Fig. 2 signal conditioning circuit:R containing internal resistanceiU1Instrument amplifier, U1Instrument amplifier has difference defeated
Enter to hold Vin+With differential input end Vin-, adjustable resistance RgWith internal resistance RiIt is common to determine multiplication factor, multiplication factorElectric capacity C1、C2Ground connection, amplifying circuit output VoInput and resistance R as filter circuit1One end be connected, electricity
Resistance R1The other end and resistance R2With electric capacity C3One end be connected, electric capacity C3The other end and U2The voltage output of operational amplifier
End and resistance R4One end be connected, resistance R2The other end and electric capacity C4One end and U2The positive pole of operational amplifier is connected,
Electric capacity C4The other end ground connection, resistance R3One end and R4The other end and U2The negative pole of operational amplifier is connected, resistance R3's
Other end ground connection, U2Input of the analog signal of the voltage output end of operational amplifier as A/D converter circuit.Resistance R1、R2、
R3、R4And C3、C4And U2Operational amplifier constitutes active second-order low-pass filter to filter various High-frequency Interferences.
As shown in figure 3, microseism data Stored Procedure figure.
S101 system initializations
S102 checks whether SD card is inserted, and is that then order is performed, and the no S102 that redirects continues checking for whether SD card is inserted
S103SD card initializations
S104STM32 waits A/D converter circuit sampling trigger signal, produces trigger order and performs, and does not produce triggering letter
Number S104 is redirected, STM32 continues waiting for A/D converter circuit sampling trigger signal
S105 waits whether clock is zero second, is that then order is performed, no to redirect S104
S106 clocks are zero second STM32 controller in SD card new files, data storage file header
S107 storages Jing A/D converter circuits are transmitted and by the microseism data of STM32 process
S108 waits next zero second minute, is to redirect S106, no to redirect S107
The traversal of data file and deletion for convenience, file is per minute newly-built 1, is provided with GPS receiver module
Precise time is file designation, when second=0, the new files under the corresponding file of SD card, and file is entitled, and " sensor is compiled
Number-date-Hour Minute Second .sgy ".After setting up file, first store standard SEG-Y formatted file head 3600 bytes and 3 it is logical
The data file head of the 240 byte lane headers in road, afterwards successively at specified file address pointer store microseism data.
Claims (6)
1. a kind of microseism data collection and storage system based on STM32, it is characterised in that including microseismic sensors, signal is adjusted
Reason circuit, A/D converter circuit, STM32 controllers, GPS receiver module, SD card memory module and power module；Microseism is sensed
Device, signal conditioning circuit, A/D converter circuit, STM32 controllers are sequentially connected, STM32 controllers also with GPS receiver module and
SD card memory module is connected.
2. the microseism data collection and storage system based on STM32 according to claim 1, it is characterised in that microseism is passed
Sensor is used to gather original microseismic signals, and signal feeding signal conditioning circuit is processed.
3. the microseism data collection and storage system based on STM32 according to claim 1, it is characterised in that signal is adjusted
Reason circuit, including signal amplification circuit and signal filter circuit, signal amplification circuit is connected with signal filter circuit, act as
The signal of microseismic sensors is received, and signal is amplified and A/D converter circuit is passed to after filtering.
4. the microseism data collection and storage system based on STM32 according to claim 1, it is characterised in that AD conversion
Circuit is simulated the conversion with data signal, so that STM32 controllers are processed.
5. the microseism data collection and storage system based on STM32 according to claim 1, it is characterised in that GPS receiver
Machine module provides accurate clock signal for system, and the foundation for file in SD card provides the time, it is ensured that each road sensor collection
The time synchronized of data.
6. the microseism data collection and storage system based on STM32 according to claim 1, it is characterised in that STM32 is controlled
Device processed is connected with A/D converter circuit, GPS receiver module and SD card memory module, act as reception GPS receiver module and carries
For clock signal be newly-built file designation in SD card, receive the data signal of A/D converter circuit conversion, and signal is carried out
Process, the data handled well are transferred to into SD card memory module carries out data storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621087089.0U CN206096488U (en) | 2016-09-28 | 2016-09-28 | Microseism data acquisition and memory system based on STM32 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621087089.0U CN206096488U (en) | 2016-09-28 | 2016-09-28 | Microseism data acquisition and memory system based on STM32 |
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| Publication Number | Publication Date |
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| CN206096488U true CN206096488U (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621087089.0U Expired - Fee Related CN206096488U (en) | 2016-09-28 | 2016-09-28 | Microseism data acquisition and memory system based on STM32 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107784795A (en) * | 2017-11-28 | 2018-03-09 | 桂林电子科技大学 | A kind of microseismic signals intellectual monitoring identification equipment and recognition methods |
| CN107883918A (en) * | 2017-12-08 | 2018-04-06 | 鞍钢集团矿业有限公司 | Bottom goaf STABILITY MONITORING device in outdoors iron ore mining |
| CN110187381A (en) * | 2019-07-02 | 2019-08-30 | 中煤科工集团上海有限公司 | A kind of microseismic signals monitoring device, system and method |
| CN110942610A (en) * | 2019-12-10 | 2020-03-31 | 大连理工大学 | Intelligent rock microseismic acquisition and data wireless transmission system |
| CN113740900A (en) * | 2021-08-02 | 2021-12-03 | 盐城市湛安智感科技有限公司 | Offshore earthquake motion signal acquisition system and detection method |
-
2016
- 2016-09-28 CN CN201621087089.0U patent/CN206096488U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107784795A (en) * | 2017-11-28 | 2018-03-09 | 桂林电子科技大学 | A kind of microseismic signals intellectual monitoring identification equipment and recognition methods |
| CN107883918A (en) * | 2017-12-08 | 2018-04-06 | 鞍钢集团矿业有限公司 | Bottom goaf STABILITY MONITORING device in outdoors iron ore mining |
| CN110187381A (en) * | 2019-07-02 | 2019-08-30 | 中煤科工集团上海有限公司 | A kind of microseismic signals monitoring device, system and method |
| CN110942610A (en) * | 2019-12-10 | 2020-03-31 | 大连理工大学 | Intelligent rock microseismic acquisition and data wireless transmission system |
| CN113740900A (en) * | 2021-08-02 | 2021-12-03 | 盐城市湛安智感科技有限公司 | Offshore earthquake motion signal acquisition system and detection method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20190928 |