CN107238872A - seismic sensor test system and method - Google Patents
seismic sensor test system and method Download PDFInfo
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- CN107238872A CN107238872A CN201610184603.0A CN201610184603A CN107238872A CN 107238872 A CN107238872 A CN 107238872A CN 201610184603 A CN201610184603 A CN 201610184603A CN 107238872 A CN107238872 A CN 107238872A
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Abstract
A kind of seismic sensor test system and method, the system include:Excitation module, for response control instruction, excitation signal is sent to seismic sensor to be tested;Acquisition module, for response control instruction, gathers and transmits the sensing signal of seismic sensor to be tested;Display module, for response control instruction, receives and shows sensing signal;Condition setting module, for response control instruction, test condition is set according to testing requirement;Data storage and processing module, for response control instruction, storage and processing sensing signal;And control module, for sending control instruction, indicated condition setting module setting test condition, excitation signal send that excitation signal, acquisition module gathers and transmit sensing signal, display module receives and shows sensing signal and data storage and processing module store and handled the sensing signal.
Description
Technical field
This disclosure relates to sensor testing techniques field, more particularly to a kind of intelligentized seismic sensor test
System and method.
Background technology
In field of seismic exploration, with the popularization of three-dimensional exploration, surveying accuracy requires more and more higher, to earthquake
The acquisition precision requirement of wave detector is also improved therewith.Sensor is the core of geophone, to seismic detection
The performance parameters such as precision, the sensitivity of device play a decisive role.At present, the earthquake of domestic independent research production
The response effect that sensor is excited to external world is stablized not enough, so using preceding needing to be tested.
Seismic sensor test is a fine process, in order to obtain accurate and comprehensive test result, is surveyed
The setting of examination parameter will consider all kinds of environmental conditions during practical application, and the sampling sampling point of test data is enough
It is minimized more with the interference for ensuring external environment.The test process of current seismic sensor be set it is a certain
Start gathered data after group parameter, the sampling point collected meets after testing requirement data storage and sets next group
Parameter, setup parameter is required for manually operated software with data storage, and automaticity is low.Further, since
Environmental requirement is higher to external world for test condition, and all there may be influence of noise test for the normal activity naturally of people
As a result.Therefore when having set each group parameter and starting gathered data, test man can only sit quietly in front of a computer etc.
Treat.If being mass produced with the target of commercialization, very big manual resource will be brought to waste.
The content of the invention
The purpose of the disclosure is to provide a kind of seismic sensor test system and method, and it can be to seismic sensors
Device test process carries out intelligentized control method, automatic to set test condition and store automatically and processing data, real
The real-time unmanned testing of existing seismic sensor test.
The one side of the disclosure provides a kind of seismic sensor test system, including:
Excitation module, for response control instruction, excitation signal is sent to seismic sensor to be tested;
Acquisition module, for responding the control instruction, gathers and transmits the sensing of seismic sensor to be tested
Signal;
Display module, for responding the control instruction, receives and shows the sensing signal;
Condition setting module, for responding the control instruction, test condition is set according to testing requirement;
Data storage and processing module, for responding the control instruction, store and handle the sensing signal;
And
Control module, for sending the control instruction, indicate the condition setting module setting test condition,
The excitation signal send excitation signal, the acquisition module gather and transmit sensing signal, the display mould
Block receives and shows the sensing signal and the data storage and processing module storage and handle the sensing
Signal.
Preferably, the frequency and amplitude of the test condition including the excitation signal, the acquisition module
At least one of the data memory format of sample frequency, the data storage and processing module.
Preferably, the test condition includes the test parameter of the seismic sensor to be tested and the survey
Try numerical value, testing sequence and the testing time of parameter.
Preferably, the data storage and processing module are believed according to the test condition classification storage sensing
Number.
Preferably, the control module includes shell script.
Another aspect of the present disclosure provides a kind of seismic sensor method of testing, comprises the following steps:
Step 1:Control instruction is sent, to set test condition successively based on the control instruction, to send sharp
Signal, gather and transmit the sensing signal of sensor to be tested, receive and show the sensing signal and
Store and handle the sensing signal;
Step 2:The control instruction is responded, test condition is set according to testing requirement;
Step 3:The control instruction is responded, excitation signal is sent to seismic sensor to be tested;
Step 4:The control instruction is responded, the sensing signal of seismic sensor to be tested is gathered, and transmits institute
State sensing signal;
Step 5:The control instruction is responded, receives and shows the sensing signal;And
Step 6:The control instruction is responded, the sensing signal is stored and handle.
Preferably, the frequency and amplitude of the test condition including the excitation signal, the sensing signal
At least one of sample frequency, the data memory format of the sensing signal.
Preferably, the test condition includes the test parameter of the seismic sensor to be tested and the survey
Try numerical value, testing sequence and the testing time of parameter.
Preferably, the sensing signal is stored according to test condition classification.
Preferably, the control instruction is sent by shell script.
Having the advantage that for the disclosure carries out intelligentized control method to earthquake sensor test process, automatically
Test condition and automatic storage and processing data are set, and the long-time for realizing seismic sensor is continuously real
When unmanned testing.Both the noise jamming that artificial natural active belt comes had been solved the problems, such as, also in the future towards product
The basis for saving manual resource has been laid in the large-scale production of change.
Brief description of the drawings
By the way that disclosure exemplary embodiment is described in more detail with reference to accompanying drawing, the disclosure it is above-mentioned with
And other purposes, feature and advantage will be apparent, wherein, in disclosure exemplary embodiment,
Identical reference number typically represents same parts.
Fig. 1 shows the schematic diagram of the seismic sensor test system according to exemplary embodiment;
Fig. 2 shows the flow chart of the seismic sensor method of testing according to exemplary embodiment;
Fig. 3 shows the Gaussian distribution curve figure obtained in the first example according to standard transducer data;And
Fig. 4 shows in the first example, the Gaussian distribution curve figure obtained according to sensing data to be measured.
Embodiment
Preferred embodiment of the present disclosure is more fully described below with reference to accompanying drawings.Although showing this in accompanying drawing
Disclosed preferred embodiment, however, it is to be appreciated that may be realized in various forms the disclosure without should be by here
The embodiment of elaboration is limited.On the contrary, these embodiments are provided so that the disclosure is more thorough and complete,
And the scope of the present disclosure can intactly be conveyed to those skilled in the art.
Fig. 1 shows the schematic diagram of the seismic sensor test system according to exemplary embodiment, according to example
The seismic sensor test system of property embodiment includes:
Excitation module 1, for response control instruction, excitation signal is sent to seismic sensor 7 to be tested;
Acquisition module 2, for response control instruction, gathers and transmits the sensing signal of seismic sensor to be tested;
Display module 3, for response control instruction, receives and shows sensing signal;
Condition setting module 4, for response control instruction, test condition is set according to testing requirement;
Data storage and processing module 5, for response control instruction, storage and processing sensing signal;And
Control module 6, for sending control instruction, indicated condition setting module sets test condition, excites letter
Number send that excitation signal, acquisition module gather and transmit sensing signal, display module receives and shows sensing letter
Number and data storage and processing module storage and handle the sensing signal.
Preferably, excitation module is, for example, focus, and can set focus by condition setting module sends out
The frequency and amplitude of the excitation signal gone out so that focus sends the vibration signal with assigned frequency and amplitude.
Acquisition module is the hinge of connection seismic sensor to be tested and display module, it may include data collecting card,
For gathering the sensing signal of seismic sensor to be tested, and transmit the sensing signal.Mould is set by condition
Block can set the sample frequency of acquisition module.Acquisition module can also include wave filter, amplifier, modulus
Converter etc., for being filtered, amplifying to sensing signal, analog-to-digital conversion operation.
Display module can include monitor and corresponding monitoring software, and display module real-time reception and can show
Show the sensing signal of acquisition module transmission, include waveform, frequency, the amplitude etc. of signal.In addition, can pass through
Monitoring software selects the display format of sensing signal, for example, can be shown by the form of numeral or graphical interfaces
Show.
Data storage and processing module can be computers etc., and it can be stored with specific data memory format
The sensing signal that display module is received, is also capable of the test condition of storage condition setting module setting.Data are deposited
Storage and processing module can also be handled sensing signal, for example, calculate the signal to noise ratio of sensing signal.
In addition, under different test conditions, the responsive state of seismic sensor has very big difference, therefore number
Test condition can be classified according to storage and processing module, and be received under the different test conditions of storage of classifying
The sensing signal arrived, in order to follow-up access and utilization.
Condition setting module be used for according to testing requirement set test condition, test condition for example including:Excite
The frequency and/or amplitude of the excitation signal that module is sent, the sample frequency of acquisition module, data storage and processing
The data memory format of module, the numerical value of the test parameter of seismic sensor to be tested and parameters, survey
Examination order and testing time, etc..Test condition also optimizes operation including seismic sensor test system
Other conditions of work.
Control module, for sending control instruction, under the instruction of control instruction, condition setting module, swash
Signalling, acquisition module, display module, data storage and processing module perform respective operation automatically successively,
So as to replace mouse and the keyboard action that currently must by hand be performed by tester, test process is realized
Full automation.
Specifically, control module indicates that other modules perform following operation successively by control instruction:
Condition setting module sets above-mentioned test condition, such as test parameter, testing time, sample frequency;Swash
Hair module sends excitation signal;Acquisition module gathers and transmits sensing signal;Display module receives and shows sense
Survey signal;Data storage and processing module store sensing signal and place according to data memory format set in advance
Sensing signal is managed, for example can be according to sensor number to be measured and test condition classification storage test result.
Preferably, control module includes shell script.By the control instruction of shell script, with reference to
Existing seismic sensor test software, can indicate that modules perform respective operation successively, instead of working as
The preceding mouse that must be by hand performed by tester and keyboard action, so as to realize the complete of test process
Automation.
Fig. 2 shows the flow chart of the seismic sensor method of testing according to exemplary embodiment, according to example
The seismic sensor method of testing of property embodiment comprises the following steps:
Step 1:Send control instruction
Send in control instruction, control instruction and include to give an order:Setting test condition, send excitation signal,
Gather and transmit the sensing signal of sensor to be tested, receive and show the sensing signal, storage and processing
The sensing signal.So as to perform these operations successively based on control instruction.
In actual applications, often through the monitoring software (such as GeoPhoneMS) being installed on computer
To set test condition, receive and display sensing signal, storage and processing sensing signal.In this case,
Control instruction refines the operation of monitoring software, indicates that monitoring software in turn sets test condition, received and aobvious
Show sensing signal, storage and processing sensing signal.For example, control instruction is thin by the operation for setting test condition
Turn to:Parameter input window, the input test parameter of monitoring software are clicked on, control instruction will store sensing letter
Number operation be refined as:The menu file of monitoring software is clicked on, preservation, selection storage location is clicked on, clicks on
Confirm to preserve.
Step 2:Response control is instructed, and test condition is set according to testing requirement.
When testing seismic sensor, it is necessary to set test condition according to testing requirement.Test condition is for example wrapped
Include:Frequency and/or amplitude, the sample frequency of acquisition module, the data for the excitation signal that excitation module is sent are deposited
Storage and the data memory format, the test parameter of seismic sensor to be tested and parameters of processing module
Numerical value, testing sequence and testing time, etc..
Step 3:Response control is instructed, and excitation signal is sent to seismic sensor to be tested.
Control instruction is responded, so as to according to the test condition set in step 2, such as pass through focus
The excitation signal with assigned frequency and amplitude is sent to seismic sensor to be tested, so that seismic sensor is sent out
Raw response.
Step 4:Response control is instructed, and gathers the sensing signal of seismic sensor to be tested, and transmits sensing letter
Number.
Seismic sensor senses excitation signal, exports corresponding sensing signal.Control instruction is responded,
Sample frequency according to being set in step 2 gathers the sensing signal, and the sensing signal collected is transmitted out
Go.
Before sensing signal is transmitted, sensing signal can be filtered, amplified, analog-to-digital conversion etc.
Reason.
Step 5:Response control is instructed, and is received and is shown sensing signal.
According to the instruction of control instruction, the sensing signal is received, and by the combination of software and hardware with appropriate shape
Formula shows sensing signal, the relevant parameter such as can show the waveform and frequency of sensing signal, amplitude.
Step 6:Response control is instructed, storage and processing sensing signal.
Instruction based on control instruction, sensing signal is stored according to the data memory format set in step 2,
And handled accordingly, such as the signal to noise ratio for calculating signal.
Using example
Bumper, data collecting card NI are included according to the seismic sensor test system of exemplary embodiment
PCI-4461, computer and monitoring software GeoPhoneMS and the LUA shell script being installed on computer.
Data collecting card NI PCI-4461 are connected with computer by coaxial cable.
Standard seismic sensor to be tested is connected by coaxial cable with data collecting card.
When starting test, Run Script program includes control instruction in shell script, following to perform successively
Operation:
1. setting test parameter, every group of test parameter represents a kind of test condition respectively, including stimulating frequency,
Amplitude is with receiving sample frequency etc.;
2. according to sample frequency with receiving sampling point quantity demand, the testing time under the conditions of calculating respectively;
3. exciting the focus of bumper, excitation signal is sent;
4. log-on data capture card starts to gather the sensing signal of sensor to be measured;
5. monitoring software is received and display sensing signal;
6. receive and data storage, Data Filename and sensor number to be measured and test for data storage
Condition is corresponded.
Especially, with reference to the use of monitoring software, the setting of test parameter is refined as clicking on ginseng by shell script
Several operating procedures such as number input window, input test parameter;The storage of data is refined as to click on menu text
Several operating procedures such as part, click are preserved, selection storage location, click confirmation preservation.In practical application,
Order and the combination of these operating procedures can be neatly adjusted as needed.
After Run Script program, bumper, data collecting card, computer and monitoring software response script journey
The control instruction of sequence, performs following operate successively:
Monitoring software sets test parameter, including frequency, amplitude and the number of excitation signal that bumper is sent
Sample frequency according to capture card etc.;
The focus of bumper is shaken according to test parameter, sends vibration signal;
The vibrations that seismic sensor response bumper to be tested occurs, data collecting card is according to the sampling of setting
The response signal of frequency collection seismic sensor, and the signal is transmitted to computer;
Monitoring software shows the related data and waveform of response signal on computers;
The corresponding signal data sample collected is protected with corresponding test condition parameters with specified Data Filename
It is stored in the test result data storehouse of computer.
In this example, seismic sensor to be measured to 10 under 30Hz, 600mV shooting condition is carried out
Test.The dominant frequency response intensity of sensor and standard transducer to be measured is as shown in table 1.Sensor to be measured and mark
The dominant frequency response intensity difference of quasi- sensor is smaller, it is necessary to which whether the quality for testing sensor to be measured meets requirement.
Table 1
Sequence number | Standard transducer | Sensor to be measured |
1 | 138216 | 138160 |
2 | 138346 | 137266 |
3 | 137513 | 137421 |
4 | 137879 | 137404 |
5 | 138387 | 137925 |
6 | 137925 | 137499 |
7 | 137806 | 137226 |
8 | 137566 | 137224 |
9 | 137732 | 137376 |
10 | 138046 | 137772 |
Fig. 3 shows the Gaussian distribution curve figure obtained according to standard transducer data, and Fig. 4 is shown as above-mentioned
After process is tested, the Gaussian distribution curve figure obtained according to sensing data to be measured.As shown in figure 3,
Standard transducer arithmetic average μ=137942, standard deviation sigma=305.4 are then to be measured under same test condition to pass
Sensor acceptance line is (μ -4.5 σ)=136567.7, sensor arithmetic average μ=137527 to be measured>136567.7,
Therefore sensor to be measured meets quality requirement.
Above-mentioned technical proposal is a kind of embodiment of the present invention, for those skilled in the art,
On the basis of principle disclosed by the invention, it is easy to make various types of improvement or deformation, and not only limit
In the description of above-mentioned specific embodiment of the invention, thus above description simply it is preferred, and and without limit
The meaning of property processed.
Claims (10)
1. a kind of seismic sensor test system, including:
Excitation module, for response control instruction, excitation signal is sent to seismic sensor to be tested;
Acquisition module, for responding the control instruction, gathers and transmits the sensing of seismic sensor to be tested
Signal;
Display module, for responding the control instruction, receives and shows the sensing signal;
Condition setting module, for responding the control instruction, test condition is set according to testing requirement;
Data storage and processing module, for responding the control instruction, store and handle the sensing signal;
And
Control module, for sending the control instruction, indicate the condition setting module setting test condition,
The excitation module send excitation signal, the acquisition module gather and transmit sensing signal, the display mould
Block receives and shows the sensing signal and the data storage and processing module storage and handle the sensing
Signal.
2. seismic sensor test system according to claim 1, wherein the test condition includes institute
State frequency and amplitude, the sample frequency of the acquisition module, the data storage and the processing mould of excitation signal
At least one of the data memory format of block.
3. seismic sensor test system according to claim 1, wherein the test condition includes institute
When stating the test parameter of seismic sensor to be tested and the numerical value of the test parameter, testing sequence and test
Between.
4. seismic sensor test system according to claim 1, wherein the data storage and processing
Module stores the sensing signal according to test condition classification.
5. seismic sensor test system according to claim 1, wherein the control module includes pin
This program.
6. a kind of seismic sensor method of testing, comprises the following steps:
Step 1:Control instruction is sent, to set test condition successively based on the control instruction, to send sharp
Signal, gather and transmit the sensing signal of sensor to be tested, receive and show the sensing signal and
Store and handle the sensing signal;
Step 2:The control instruction is responded, test condition is set according to testing requirement;
Step 3:The control instruction is responded, excitation signal is sent to seismic sensor to be tested;
Step 4:The control instruction is responded, the sensing signal of seismic sensor to be tested is gathered, and transmits institute
State sensing signal;
Step 5:The control instruction is responded, receives and shows the sensing signal;And
Step 6:The control instruction is responded, the sensing signal is stored and handle.
7. seismic sensor method of testing according to claim 6, wherein the test condition includes institute
The frequency and amplitude, the sample frequency of the sensing signal, the data of the sensing signal for stating excitation signal are deposited
Store up at least one of form.
8. seismic sensor method of testing according to claim 6, wherein the test condition includes institute
When stating the test parameter of seismic sensor to be tested and the numerical value of the test parameter, testing sequence and test
Between.
9. seismic sensor method of testing according to claim 6, wherein according to the test condition point
Class stores the sensing signal.
10. seismic sensor method of testing according to claim 6, wherein being sent by shell script
The control instruction.
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Cited By (1)
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