CN109343109A - It is embedded in leading second order pole type seismic data collector - Google Patents
It is embedded in leading second order pole type seismic data collector Download PDFInfo
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- CN109343109A CN109343109A CN201811428468.5A CN201811428468A CN109343109A CN 109343109 A CN109343109 A CN 109343109A CN 201811428468 A CN201811428468 A CN 201811428468A CN 109343109 A CN109343109 A CN 109343109A
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- 238000012545 processing Methods 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 239000013078 crystal Substances 0.000 claims abstract description 18
- 238000013461 design Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 11
- 230000037431 insertion Effects 0.000 description 11
- 230000006870 function Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000010358 mechanical oscillation Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/24—Recording seismic data
- G01V1/247—Digital recording of seismic data, e.g. in acquisition units or nodes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- Radar, Positioning & Navigation (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The present invention relates to seismic data reception and registering device technical fields, provide a kind of be embedded in and dominate second order pole type seismic data collector, it is intended to solve the problems, such as that prior art seismological observation precision is low.The seismic data collector includes analog input channel, digital filtering chip, single order high-pass filter, digital signal processing module, data output, GPS module, digital control crystal oscillating circuit, demarcation signal output circuit and system power supply module.Wherein, the analog input channel, digital filtering chip, single order high-pass filter, data output, GPS module and digital control crystal oscillating circuit are electrically connected with the digital signal processing module；The input terminal of the demarcation signal output circuit is electrically connected the digital signal processing module, and output end with seismometer for being electrically connected.The present invention can show that leading second order pole, seismological observation precision are higher using digital filtering chip.
Description
Technical field
The present invention relates to seismic data reception and registering device technical fields, in particular to a kind of insertion leading two
Rank pole type seismic data collector.
Background technique
System for acquiring seismic data mainly includes seismometer and seismic data collector this two large divisions, and wherein seismometer is used
In pickup mechanical oscillation signal, and mechanical oscillation signal is converted into analog electrical signal；Seismic data collector is for receiving mould
Quasi- electric signal, and analog electrical signal is converted into digital electric signal, using will be counted in the form of Wave data after filtering processing
According to output or send.The application of Publication No. CN107247288A discloses a kind of seismic observation system and generates earthquake transmitting letter
Several methods, the background technology part introduction of this application, the transmission function of existing system for acquiring seismic data is mainly by earthquake
The transmission function of meter and seismic data collector synthesizes, and " the leading second order pole " in transmission function is by the mould in seismometer
Quasi- element and it is mechanical swing it is common generate, within the scope of larger temperature and in long continuous operation it is difficult to ensure that its high-precision and
High stability causes the accuracy of observation of existing system for acquiring seismic data lower.
Summary of the invention
In view of this, being embedded in leading second order pole type seismic data collector, purport the purpose of the present invention is to provide a kind of
It is low in the seismological observation precision for solving the problems, such as existing system for acquiring seismic data.
To achieve the goals above, the present invention the following technical schemes are provided:
It is a kind of to be embedded in leading second order pole type seismic data collector, comprising:
For inputting for analog electrical signal, and analog electrical signal is converted to the analog input channel of digital electric signal；
For carrying out the digital filtering chip of three sections of digital program-con-trolled exchanges to digital electric signal；
For being removed zero drift again to the digital electric signal after three sections of digital program-con-trolled exchanges, to obtain earthquake
The single order high-pass filter of Wave data；
Play the digital signal processing module of driving effect；
For seismic waveform data to be packaged to the data output of output；
For providing the GPS module of time signal and location information；
Digital control crystal oscillating circuit；
Demarcation signal output circuit；And
For providing the system power supply module of electric energy；
Wherein, the analog input channel, digital filtering chip, single order high-pass filter, data output, GPS mould
Block and digital control crystal oscillating circuit are electrically connected with the digital signal processing module；The input of the demarcation signal output circuit
End is electrically connected the digital signal processing module, and output end with seismometer for being electrically connected.
In the technical program, seismometer can will test the analog electrical signal to be formed input by analog input channel first
It is described to be embedded in leading second order pole type seismic data collector, and analog input channel is converted into digital electric signal simultaneously；
Then digital electric signal can be filtered by digital filtering chip and obtain leading second order pole, to synthesize transmission function；So
Digital electric signal improves precision after single order high-pass filter removes zero drift afterwards, and obtains seismic waveform data；Finally
Seismic waveform data is exported by data output.During this, digital signal processing module plays driving and makees as main control chip
With；GPS module provides high-precision time signal and location information, and described be embedded in is made to dominate second order pole type seismic data collector
With the consistency of the other equipment retention time in network；Demarcation signal output circuit can provide square wave and sine wave for seismometer
The electric current input of group demarcation signal.Since the leading second order pole type seismic data collector of insertion provided by the invention can utilize number
Word filtering chip obtains leading second order pole, and precision is influenced smaller by environmental factor and time passage, and seismological observation precision is more
It is high.
As a preferred embodiment of the above technical solution, the leading second order pole type seismic data collector of the insertion further includes temperature
With voltage detection module, the temperature is electrically connected with voltage detection module with the digital signal processing module.This optimization technique
In scheme, input supply voltage, the working condition of GPS module, current GPS module can be monitored by temperature and voltage detection module
With the variables such as the time difference, the cabinet inside temperature of digital control crystal oscillating circuit.These environmental variances can be periodically with data stream
Out, the working condition for tracking collector at any time is allowed users to.
As a preferred embodiment of the above technical solution, the digital signal processing module includes:
Digital signal processor DSP；
Programmable logic design；
Flash memory module；And
Universal asynchronous receiving-transmitting transmitter UART；
Wherein, the Programmable logic design, flash memory module and universal asynchronous receiving-transmitting transmitter UART with the number
Word signal processor DSP is connected by parallel bus interface, and the flash memory module and universal asynchronous receiving-transmitting transmitter UART are also equal
It is electrically connected with the Programmable logic design；
The GPS module is electrically connected with the universal asynchronous receiving-transmitting transmitter UART；The digital control crystal oscillating circuit
Input terminal is electrically connected with the digital signal processor DSP, and output end is electrically connected with the Programmable logic design；It is described
The input terminal of demarcation signal output circuit is electrically connected the digital signal processor DSP；The temperature and voltage detection module with
The digital signal processor DSP electrical connection.
In this optimal technical scheme, Programmable logic design, flash memory module and universal asynchronous receiving-transmitting transmitter UART etc.
As the expansion module of digital signal processor DSP, for enriching the interface of digital signal processor DSP, while expanding number
The memory space of signal processor DSP.Wherein, Programmable logic design be also used to for the control signal of DSP being converted into and its
The control signal that his expansion module matches.
As a preferred embodiment of the above technical solution, the digital signal processing module further includes random access memory ram, it is described with
Machine memory RAM is electrically connected with the Programmable logic design.The beneficial effect of this optimal technical scheme is, passes through RAM
Further expand the memory space of DSP.
As a preferred embodiment of the above technical solution, the leading second order pole type seismic data collector of the insertion further includes DOC
Data cache module, the DOC data cache module are electrically connected with the digital signal processing module.
As a preferred embodiment of the above technical solution, the digital filtering chip is CS5376A mode filter chip.
As a preferred embodiment of the above technical solution, the digital signal processor DSP is TMS320VC5416 cake core.
As a preferred embodiment of the above technical solution, the Programmable logic design is XC2C384 cake core；It is described general
Asynchronous receiving-transmitting transmitter UART is SC16C554 cake core.
As a preferred embodiment of the above technical solution, the temperature and voltage detection module include bleeder circuit and MAX1299 core
Piece, the bleeder circuit are electrically connected with the MAX1299 chip, and the bleeder circuit is electrically connected with the system power supply module,
The MAX1299 chip is electrically connected with the digital signal processor DSP.
As a preferred embodiment of the above technical solution, the analog input channel includes three analog input subchannels, often
A analog input subchannel includes the input amplifier being electrically connected to each other and 24 analog-digital converters, and wherein input amplifier is used
It is electrically connected in seismometer, 24 analog-digital converters are electrically connected with digital filtering chip.
Compared with prior art, the beneficial effects of the present invention are:
Seismometer is detected to described be embedded in of the analog electrical signal to be formed input and dominates second order pole type in analog input channel
Seismic data collector, and analog input channel is converted into digital electric signal simultaneously；Then digital electric signal can pass through number
Word filtering chip is filtered and obtains leading second order pole, to synthesize transmission function；Then digital electric signal is high by single order
Precision is improved after bandpass filter removal zero drift, and obtains seismic waveform data；Earthquake is exported finally by data output
Wave data.During this, digital signal processing module plays driving effect as main control chip；GPS module provides high-precision and awards
When signal and location information, keep the other equipment being embedded in leading second order pole type seismic data collector and network
The consistency of time；Demarcation signal output circuit can provide the electric current input of square wave and sine wave group demarcation signal for seismometer.
Since the leading second order pole type seismic data collector of insertion provided by the invention can be obtained using digital filtering chip, two are dominated
The precision of rank pole is influenced smaller by environmental factor and time passage, and seismological observation precision is higher.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly introduced, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as to model
The restriction enclosed for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other relevant drawings.
Fig. 1 show the structural block diagram of the leading second order pole type seismic data collector of insertion of embodiment offer.
Fig. 2 show the circuit diagram of digital control crystal oscillating circuit as described in the examples.
Fig. 3 show the circuit diagram of demarcation signal output circuit as described in the examples.
Fig. 4 show the circuit diagram of temperature and voltage detection module as described in the examples.
Fig. 5 show the circuit diagram of system power supply module as described in the examples.
Fig. 6 show the flow chart of signal in the leading second order pole type seismic data collector of insertion of embodiment offer.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear and complete
Description.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, it is not intended to limit the present invention.Base
In the embodiment of the present invention, those skilled in the art's every other implementation obtained under the premise of no creative work
Example, belongs to protection scope of the present invention.
Refering to Figure 1, present embodiments providing a kind of be embedded in dominates second order pole type seismic data collector, master
Will include analog input channel, digital filtering chip, single order high-pass filter, digital signal processing module, data output,
GPS module, digital control crystal oscillating circuit, demarcation signal output circuit and system power supply module.
Wherein, the analog input channel, digital filtering chip, single order high-pass filter, data output, GPS mould
Block and digital control crystal oscillating circuit are electrically connected with the digital signal processing module；The input of the demarcation signal output circuit
End is electrically connected the digital signal processing module, and output end with seismometer for being electrically connected.
Wherein, analog input channel is used to input for analog electrical signal, and analog electrical signal is converted to digital telecommunication
Number；Digital filtering chip is used to carry out three sections of digital program-con-trolled exchanges to digital electric signal；Single order high-pass filter is used for process
Digital electric signal after three sections of digital program-con-trolled exchanges is removed zero drift again, to obtain seismic waveform data；Digital signal
Processing module plays driving effect as main control chip；Data output is used to seismic waveform data being packaged output to acquisition
Card；GPS module is for providing time signal and location information；Demarcation signal output circuit can provide square wave and sine for seismometer
The electric current of wave group demarcation signal inputs.
In use, please referring to shown in Fig. 6, seismometer can will test the simulation to be formed electricity by analog input channel first
Signal input is described to be embedded in leading second order pole type seismic data collector, and analog input channel is converted to number simultaneously
Electric signal；Then digital electric signal can be filtered and obtain leading second order pole by digital filtering chip, to synthesize transmitting
Function；Then digital electric signal improves precision after single order high-pass filter removes zero drift, and obtains seismic wave figurate number
According to；Seismic waveform data is exported finally by data output.During this, digital signal processing module is as main control chip, hair
Wave driving effect；GPS module provides high-precision time signal and location information, and described be embedded in is made to dominate second order pole type earthquake number
According to the consistency of the other equipment retention time in collector and network；Demarcation signal output circuit can provide square wave for seismometer
It is inputted with the electric current of sine wave group demarcation signal.Leading second order pole type earthquake data acquisition is embedded in due to provided in this embodiment
Device can show that leading second order pole, precision are influenced smaller, earthquake by environmental factor and time passage using digital filtering chip
Accuracy of observation is higher.
Refering to Figure 1, the leading second order pole type seismic data collector of insertion can also wrap in the present embodiment
Temperature and voltage detection module are included, the temperature is electrically connected with voltage detection module with the digital signal processing module.Pass through
Temperature and voltage detection module can monitor input supply voltage, the working condition of GPS module, current GPS module with it is digital control
The variables such as the time difference, the cabinet inside temperature of crystal oscillating circuit.These environmental variances can periodically come out with data stream, make user
The working condition of collector can be tracked at any time.
Refering to Figure 1, the leading second order pole type seismic data collector of insertion can also wrap in the present embodiment
DOC data cache module is included, the DOC data cache module is electrically connected with the digital signal processing module.
Refering to Figure 1, in the present embodiment, specifically, the analog input channel includes three analog inputs
Subchannel, each analog input subchannel includes the input amplifier being electrically connected to each other and 24 analog-digital converters, wherein defeated
Enter amplifier for being electrically connected with seismometer, 24 analog-digital converters are electrically connected with digital filtering chip.Three analog inputs
Subchannel is a seismometer UD respectively to detection data, seismometer EW to detection data and seismometer NS to detection data.
Second order pole type seismic data collector is dominated based on above-mentioned insertion, the present embodiment provides implementable sides in detail below
The citing of formula.
Refering to Figure 1, the digital signal processing module can specifically include digital signal processor DSP, can compile
Journey logical device PLD, flash memory module FLASH and universal asynchronous receiving-transmitting transmitter UART；Wherein, the programmable logic device
PLD, flash memory module and universal asynchronous receiving-transmitting transmitter UART pass through parallel bus interface with the digital signal processor DSP
Connection, the flash memory module and universal asynchronous receiving-transmitting transmitter UART are also electrically connected with the Programmable logic design.Tool
Body, Programmable logic design, flash memory module and universal asynchronous receiving-transmitting transmitter UART are as digital signal processor
The parallel expanding peripherals of DSP.The internal storage space of digital signal processor DSP is divided into data space, the program space and I/O
Three, space part, wherein the program space is controlled by PS, MSTRB, R/W signal, and data space is controlled by DS, MSTRB, R/W signal,
Input/output space is controlled by IS, IOSTRB, R/W signal, is connected between each module by parallel bus interface, programmable logic device
PLD and universal asynchronous receiving-transmitting transmitter UART is mapped to digital signal processor DSP exterior I/space O, and FLASH is mapped to simultaneously
The program space and data space of digital signal processor DSP.Wherein, Programmable logic design mainly plays following effect:
Due to DSP control pin and other expanding peripherals and mismatch, one of effect of PLD is the control signal of DSP
It is converted into the control signal to match with other expansion modules.
The GPS module is electrically connected with the universal asynchronous receiving-transmitting transmitter UART；The digital control crystal oscillating circuit
Input terminal is electrically connected with the digital signal processor DSP, and output end is electrically connected with the Programmable logic design；It is described
The input terminal of demarcation signal output circuit is electrically connected the digital signal processor DSP；The temperature and voltage detection module with
The digital signal processor DSP electrical connection.
In addition, the digital signal processing module can also include random access memory ram, the random access memory ram with
The Programmable logic design electrical connection, further expands the memory space of DSP.
Each hardware module of second order pole type seismic data collector is dominated based on above-mentioned insertion, the present embodiment provides each hard
The citing of the concrete model of part module.
For example, three analog input subchannels are all made of balanced differential input mode, it is dry to improve the anti-common mode that number is adopted
Disturb ability.Outside is switched using the differential-input differential output high precision operating amplifier by gain programmable in input terminal
Two full scales of ± 20V and ± 10V of seismometer input shelves.Each 24 analog-digital converters can be selected a piece of independent 4 rank ∑ _
Delta modulator CS5371.
For example, the digital filtering chip selects CS5376A mode filter chip.CS5376A mode filter chip is by 24
512KSPS over-sampling code stream filtering extraction after the analog-digital converter conversion of position is at 24 seismic datas, CS5376A mode filter core
Piece is four-way signal processing filter, and output sampling rate is 4000SPS~1SPS, and free transmission range is 1600Hz~400MHz.
It after 512K bit stream enters CS5376A mode filter chip, could filter after three sections of filtering processings into seismic signal, three sections of filtering
Device is respectively as follows: three-level comb filter (abbreviation SINC), two-stage finite impulse response filter (abbreviation FIR) filter, two-stage
IIR filter (abbreviation IIR).Wherein, IIR filter generates the leading second order pole of seismological observation
Point.In view of CS5376A mode filter chip is commercially available existing chip, therefore this embodiment is not repeated.
For example, the single order high-pass filter can be realized by circuit, it is contemplated that the circuit of single order high-pass filter is existing
Circuit structure, this embodiment is not repeated, specifically, seeing in Baidu library the circuit in " single order high-pass filter " text
Attached drawing, network address https: //wenku.baidu.com/view/4879260ceff9aef8941e065d.html.
For example, the digital signal processor DSP selects TMS320VC5416 cake core.The maximum clock frequency of the chip
For 160MHz, in order to reduce power consumption, the chip clock is 100MHz in system at present.TMS320VC5416 provides abundant outer
If such as 16 digit counters, three MCBSP serial ports, a HPI host interface still further provide external bus interface,
There is 128K × 16BIT RAM in portion in the chip.The core voltage of the chip is 1.6V, and I/O voltage is 3.3V.In typical test strip part
Its lower nuclear power stream is 60mA, and I/O electric current is 40mA.Three external interfaces for mainly using DSP in the present system, are parallel respectively
Bus interface, serial line interface and GPIO.
For example, the Programmable logic design is XC2C384 cake core, universal asynchronous receiving-transmitting transmitter UART is
62WV25616 type can be selected in SC16C554 cake core, the random access memory ram.
For example, the data output is specially RS-232 serial line interface, for connecting with computer.
For example, the M12ONECORE of Motorola Inc. can be selected in the GPS module, the data-interface of the module is UART
Interface, baud rate are fixed as 9600BPS.The UART interface and universal asynchronous receiving-transmitting of GPS module in this seismic data collector
Transmitter UART extended chip SC16C554 connection, digital signal processor DSP pass through read-write universal asynchronous receiving-transmitting transmitter
UART extended chip controls GPS module.
For example, please referring to shown in Fig. 2, the digital control crystal oscillating circuit may particularly include the DAC8512 being electrically connected to each other
Type digital analog converter and Voltage Controlled Crystal Oscillator VCXO, wherein DAC8512 type digital analog converter passes through interface shown in Fig. 2 and number
Signal processor DSP electrical connection, Voltage Controlled Crystal Oscillator VCXO are electrically connected with Programmable logic design.
For example, please referring to shown in Fig. 3, demarcation signal is generated by 16 DAC5061 type digital analog converters of ADI company.
The a reference source of DAC5061 is+2.5V, is generated by outside reference source chip LT1019, as shown in figure 5, voltage output passes through one
Monopole type voltage output is changed into ambipolar voltage output by computing circuit.Ambipolar voltage will be electric by a constant-current source circuit
Pressure output signal is changed into current output signal, and inputs seismometer.
For example, please referring to shown in Fig. 4, the temperature and voltage detection module include bleeder circuit and MAX1299 chip, institute
It states bleeder circuit to be electrically connected with the MAX1299 chip, the bleeder circuit is electrically connected with the system power supply module, described
MAX1299 chip is electrically connected with the digital signal processor DSP.
It is (as shown in Figure 5 by each voltage-stablizer after the power input of 9~15V for example, please refer to shown in Fig. 5
LTC1149CS, LTC1474, LT1121 etc.) pressure stabilization function, the digital power that the final system power supply module provides includes:
I/O mouthfuls of power supplys of+3.3V DSP and PLD ,+1.6V DSP core power supply ,+1.8V PLD nuclear-electric power supply ,+3V GPS module power supply ,+
3.3V demarcation signal output circuit digital power ,+5V relay power ,+5V Voltage Controlled Crystal Oscillator VCXO power supply ,+12V sensing
Device power supply and+3.3V capture card digital power；The analog power that the system power supply module provides includes :+2.5V DAC5061
Reference power supply ,+12V capture card amplifier positive supply, -12V capture card amplifier negative supply ,+12V calibration amplifier positive supply and -12V mark
Determine amplifier negative supply.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art can easily think of the change or the replacement in the technical scope disclosed by the present invention, all should
It is included within the scope of protection of the present invention.
Claims (10)
1. a kind of be embedded in leading second order pole type seismic data collector characterized by comprising
For inputting for analog electrical signal, and analog electrical signal is converted to the analog input channel of digital electric signal；
For carrying out the digital filtering chip of three sections of digital program-con-trolled exchanges to digital electric signal；
For being removed zero drift again to the digital electric signal after three sections of digital program-con-trolled exchanges, to obtain seismic waveform
The single order high-pass filter of data；
Play the digital signal processing module of driving effect；
For seismic waveform data to be packaged to the data output of output；
For providing the GPS module of time signal and location information；
Digital control crystal oscillating circuit；
Demarcation signal output circuit；And
For providing the system power supply module of electric energy；
Wherein, the analog input channel, digital filtering chip, single order high-pass filter, data output, GPS module and
Digital control crystal oscillating circuit is electrically connected with the digital signal processing module；The input terminal electricity of the demarcation signal output circuit
The digital signal processing module is connected, output end with seismometer for being electrically connected.
2. according to claim 1 be embedded in leading second order pole type seismic data collector, which is characterized in that further include temperature
Degree and voltage detection module, the temperature are electrically connected with voltage detection module with the digital signal processing module.
3. according to claim 2 be embedded in leading second order pole type seismic data collector, which is characterized in that the number
Signal processing module includes:
Digital signal processor DSP；
Programmable logic design；
Flash memory module；And
Universal asynchronous receiving-transmitting transmitter UART；
Wherein, the Programmable logic design, flash memory module and universal asynchronous receiving-transmitting transmitter UART believe with the number
Number processor DSP is connected by parallel bus interface, and the flash memory module and universal asynchronous receiving-transmitting transmitter UART are also and institute
State Programmable logic design electrical connection；
The GPS module is electrically connected with the universal asynchronous receiving-transmitting transmitter UART；The input of the digital control crystal oscillating circuit
End is electrically connected with the digital signal processor DSP, and output end is electrically connected with the Programmable logic design；The calibration
The input terminal of signal output apparatus is electrically connected the digital signal processor DSP；The temperature and voltage detection module with it is described
Digital signal processor DSP electrical connection.
4. according to claim 3 be embedded in leading second order pole type seismic data collector, which is characterized in that the number
Signal processing module further includes random access memory ram, and the random access memory ram is electrically connected with the Programmable logic design
It connects.
5. according to claim 3 be embedded in leading second order pole type seismic data collector, which is characterized in that the number
Signal processor DSP is TMS320VC5416 cake core.
6. according to claim 3 be embedded in leading second order pole type seismic data collector, which is characterized in that described to compile
Journey logical device PLD is XC2C384 cake core；The universal asynchronous receiving-transmitting transmitter UART is SC16C554 cake core.
7. according to claim 3 be embedded in leading second order pole type seismic data collector, which is characterized in that the temperature
It include bleeder circuit and MAX1299 chip with voltage detection module, the bleeder circuit is electrically connected with the MAX1299 chip,
The bleeder circuit is electrically connected with the system power supply module, the MAX1299 chip and digital signal processor DSP electricity
Connection.
8. according to claim 1 be embedded in leading second order pole type seismic data collector, which is characterized in that further include
DOC data cache module, the DOC data cache module are electrically connected with the digital signal processing module.
9. according to claim 1 be embedded in leading second order pole type seismic data collector, which is characterized in that the number
Filtering chip is CS5376A mode filter chip.
10. according to claim 1 be embedded in leading second order pole type seismic data collector, which is characterized in that the mould
Analog quantity input channel includes three analog input subchannels, and each analog input subchannel includes the input being electrically connected to each other
Amplifier and 24 analog-digital converters, wherein input amplifier with seismometer for being electrically connected, 24 analog-digital converters and number
Filtering chip electrical connection.
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| CN201811428468.5A CN109343109B (en) | 2018-11-27 | 2018-11-27 | Embedded dominant second-order pole type seismic data collector |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000038288A (en) * | 1998-12-05 | 2000-07-05 | 이종훈 | Earthquake monitoring system |
| CN1664615A (en) * | 2005-04-19 | 2005-09-07 | 中国科学技术大学 | Earthquake data acquisition board for geophysical exploration |
| CN203870267U (en) * | 2014-05-29 | 2014-10-08 | 中国地震局地震预测研究所 | Large-dynamic high-precision seismic data collector based on delta-sigma modulation |
| CN107247288A (en) * | 2017-07-26 | 2017-10-13 | 四川省地震局 | A kind of seismic observation system and the method for generating earthquake transmission function |
| CN108008359A (en) * | 2017-11-08 | 2018-05-08 | 武汉滨湖电子有限责任公司 | A kind of cascade digital based on pattern-band radio frequency sampling filters anti-Communication Jamming method |
| CN208937712U (en) * | 2018-11-27 | 2019-06-04 | 四川省地震局水库地震研究所 | It is embedded in leading second order pole type seismic data collector |
-
2018
- 2018-11-27 CN CN201811428468.5A patent/CN109343109B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000038288A (en) * | 1998-12-05 | 2000-07-05 | 이종훈 | Earthquake monitoring system |
| CN1664615A (en) * | 2005-04-19 | 2005-09-07 | 中国科学技术大学 | Earthquake data acquisition board for geophysical exploration |
| CN203870267U (en) * | 2014-05-29 | 2014-10-08 | 中国地震局地震预测研究所 | Large-dynamic high-precision seismic data collector based on delta-sigma modulation |
| CN107247288A (en) * | 2017-07-26 | 2017-10-13 | 四川省地震局 | A kind of seismic observation system and the method for generating earthquake transmission function |
| CN108008359A (en) * | 2017-11-08 | 2018-05-08 | 武汉滨湖电子有限责任公司 | A kind of cascade digital based on pattern-band radio frequency sampling filters anti-Communication Jamming method |
| CN208937712U (en) * | 2018-11-27 | 2019-06-04 | 四川省地震局水库地震研究所 | It is embedded in leading second order pole type seismic data collector |
Non-Patent Citations (2)
| Title |
|---|
| 李忠勤, 王欢, 胡丹: "DSP控制数据采集仪系统设计", 煤炭技术, no. 11, pages 29 - 30 * |
| 王京京;罗维炳;李宁;徐善辉;蒋冬伟;张学彬;: "一种高精度地震数据采集单元的系统设计与实现", 地球物理学进展, no. 04, pages 1828 - 1837 * |
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