CN105182446A - Portable detection device of portable MRS-TEM combined instrument and detection method - Google Patents
Portable detection device of portable MRS-TEM combined instrument and detection method Download PDFInfo
- Publication number
- CN105182446A CN105182446A CN201510622793.5A CN201510622793A CN105182446A CN 105182446 A CN105182446 A CN 105182446A CN 201510622793 A CN201510622793 A CN 201510622793A CN 105182446 A CN105182446 A CN 105182446A
- Authority
- CN
- China
- Prior art keywords
- mrs
- portable
- tem
- combined instrument
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The present invention relates to a portable detection device of a portable MRS-TEM combined instrument and a detection method. The detection device is formed by connecting an upper computer with a communication cable, connecting a simulation emission coil with a signal attenuator via a synchronous trigger device and an MRS signal source, and connecting a power supply line with the synchronous trigger device and the MRS signal source separately, can be applied to the field conditions, is small in size, light in weight, stable in signal output and good in consistency, is convenient to carry, solves the problem that for a long time, the MRS-TEM combined instrument only can be used for the indoor detection and calibration, but can not be used for the field on-site actual detection and calibration, can be triggered synchronously to generate a standard nuclear magnetic resonance signal, can adjust the initial amplitude, the attenuation time constant, the frequency and the initial phase of an output signal, detects and calibrates the ground, tunnel and mine nuclear magnetic resonance water detectors comprehensively and conveniently on the condition of not influencing the normal work of the instrument completely, guarantees the stability and reliability of the instrument, and enables the field working efficiency to be improved.
Description
Technical field
The present invention relates to a kind of pick-up unit and detection method of MRS-TEM combined instrument, especially in the wild under condition to the detection of MRS-TEM combined instrument and demarcation.
Background technology
At present, ground nuclear magnetic resonance is one of geophysical method of direct detection underground water, and the method has that detection efficiency is high, cost is low, explanation is unique, result quantizes, can obtain the comparatively comprehensively advantage such as hydrogeological information.The ground nuclear magnetic resonance water explorer utilizing the method to develop is widely applied in multiple arid area in recent years, achieves good effect.
CN201278026Y discloses a kind of signal generation apparatus utilizing ground nuclear magnetic resonance technology direct look for water, specifically relate to simulation ground NMR signal source apparatus, can synchronously trigger generation standard with band noise NMR signal, the initial amplitude of adjustable output signal, damping time constant, frequency and initial phase, test easily and demarcate nuclear magnetic resonance water witch, stable output signal, reproducible, but under this device can only be applied to indoor conditions, and its synchronous triggering can not real simulation instrument field actual working state.
CN203275626U discloses a kind of generating means of ground nuclear magnetic resonance signal, , it is characterized in that, this signal generation apparatus be by microprocessor respectively with liquid crystal, keyboard, trigger and be connected with clock control, microprocessor is through phased memory, programmable logic device (PLD), low-pass filter I, multiplier, follower, attenuator is connected with output with impedance matching circuit, microprocessor is connected with clock control with programmable logic device (PLD) through frequency memory, microprocessor is through amplitude storer, D/A converter I, discharge circuit able to programme and low-pass filter and connect and compose with multiplier.This device can initial amplitude, damping time constant, four parameters such as frequency and initial phase of conditioning signal in real time.But this device can only meet indoor should be used for realizing integrated testability to instrumentation amplifier plate, demarcation and calibration, and in test process, the acquisition of trigger pip must be connected with instrument internal and could obtain, and affects the normal work of instrument.
CN1O1251607A discloses a kind of systems axiol-ogy of ground nuclear magnetic resonance water explorer device, caliberating device and detection method, test under experiment lab simulation field condition is to the performance index of nuclear magnetic resonance water detection instrument and demarcation to instrument, owing to being simulation field condition, the detection done and the actual a certain distance in addition of demarcation and field, as environmental baseline, topographic condition etc.
Summary of the invention
Object of the present invention is exactly for above-mentioned the deficiencies in the prior art, provides a kind of portable detector of portable MRS-TEM combined instrument, realizes the test and calibration to instrument under condition in the wild.
Another object of the present invention is just to provide a kind of detection method of portable MRS-TEM combined instrument.
The object of the invention is to be achieved through the following technical solutions:
The portable detector of portable MRS-TEM combined instrument, turn RS-232 communication cable 2 by host computer 1 with USB to be connected, analog transmissions coil 3 is connected with signal attenuator 6 through synchronous triggering device 4, MRS signal source 5, and feed circuit 7 connect and compose with synchronous triggering device 4 and MRS signal source 5 respectively.
Detected portable MRS-TEM combined instrument 8 is placed in pick-up unit, host computer 1 is connected with simulation receiving coil 9 with portable MRS-TEM combined instrument 8 through communication cable 2, and analog transmissions coil 3 is connected with analog transmissions coil 3 with detected portable MRS-TEM combined instrument 8 through synchronous triggering device 4, MRS signal source 5, signal attenuator 6.
Synchronous triggering device 4 obtains original synchronous triggering signal by passive electrical current transformer 10 by transmitting coil, is applicable to the synchronous triggering signal of simulation MRS signal source through exporting 16 outputs after agc circuit 11, amplifying circuit 12, full-wave rectifying circuit 13, low-pass filter circuit 14 and hysteresis comparator 15 carries out signal transacting.
The detection method of the portable detector of portable MRS-TEM combined instrument, comprises the following steps:
A, startup host computer 1, parameters: transmission frequency, emitting voltage, triggering mode, stacking fold, enlargement factor, selects Detection of content, comprising: detect communication module and data storage, detecting amplifier, detects and boost, TEM mode detection;
B, detection communication module and data store: host computer 1 turns RS-232 communication cable 2 by USB and sends firing order to portable MRS-TEM combined instrument 8, now instrument no-load running is connecting analog transmitting and receiving coil not, check whether the communication module of portable MRS-TEM combined instrument 8 and data storing work normal, whether boost module normally controlled, guarantee the communication module of portable MRS-TEM combined instrument 8 and data storage function whether intact;
C, detecting amplifier: arrange transmission frequency, emitting voltage, trigger mode, stacking fold, turn RS-232 communication cable 2 by USB and send firing order to portable MRS-TEM combined instrument 8; Start after instrument receives orders and launch through analog transmissions coil 3, synchronous triggering device 4 obtains the synchronous triggering signal being applicable to MRS signal source 5 by analog transmissions coil 3 subsequently, and the simulation MRS signal that MRS signal source 5 exports decays to nV level signal through signal attenuator 6 and delivers to portable MRS-TEM combined instrument 8; Portable MRS-TEM combined instrument 8 collection signal also turns RS-232 communication cable 2 by USB and transfers to host computer 1 after amplifier processes, the amplitude of the signal that portable MRS-TEM combined instrument 8 gathers is presented on the panel of host computer 1, judge that whether instrument signal collection, processing capacity be normal by the signal waveform obtained, carry out enlargement factor and the bandwidth of measuring postevaluation amplifier for 8-10 time, can determine in the fastest mode whether portable MRS-TEM combined instrument 8 amplifier module has problem under making field condition, guarantee that amplifier module function is normal;
D, detection boosting: emitting voltage 30v is set, turns RS-232 communication cable 2 by USB and send a command to portable MRS-TEM combined instrument 8; Boost module is started after portable MRS-TEM combined instrument 8 receives orders, launched by analog transmissions coil 3, if boost module is normal, the Display panel voltage now of portable MRS-TEM combined instrument 8 is 30V, changes emitting voltage, and record the current value corresponding to each magnitude of voltage with step-length 10V, repeat said process and reach 3-5 measurement, guarantee the normal of boost module, obtain emission maximum voltage and the emission maximum electric current of portable MRS-TEM combined instrument 8 simultaneously, boosting test terminates;
E, TEM mode detection: arrange enlargement factor, stacking fold, turns RS-232 communication cable 2 by USB and sends a command to portable MRS-TEM combined instrument 8; Analog transmissions antenna 3 connect 8 Ω/50W power resistor after be connected to the TEM systems radiate end of portable MRS-TEM combined instrument 8, TEM is simulated the receiving end that receiving antenna 9 is connected to the TEM system of portable MRS-TEM combined instrument 8, run TEM control software design to test, repeat said process 5-8 time, guarantee the collection of TEM mode signal, transmitting, transmitter current and metering circuit normal operation, the test of TEM modular system terminates;
F, host computer 1 calling data gather subroutine, turn RS-232 communication cable 2 by USB and send acquisition to portable MRS-TEM combined instrument 8, the signal of collection is turned RS-232 communication cable 2 by USB and passes to host computer 1 by portable MRS-TEM combined instrument 8, host computer 1 calling data process subroutine, after treatment, the data that portable combined instrument 8 gathers are presented on the panel of host computer 1 in real time, and test terminates.
Beneficial effect: this device can be applied to field condition, volume is little, lightweight, be convenient for carrying; Synchronously can trigger the NMR signal of generation standard, the initial amplitude of adjustable output signal, damping time constant, frequency and initial phase, and stable output signal, consistance is good; Adopt powered battery, depart from civil power environment; When not affecting instrument completely and normally working, test comprehensively and demarcate ground version, tunnel version and mine version nuclear magnetic resonance water witch easily, further ensure the stability of instrument, reliability, improve the work efficiency in field.
Accompanying drawing explanation
The portable detector structured flowchart of the portable MRS-TEM combined instrument of Fig. 1
The portable MRS-TEM combined instrument of Fig. 2 and pick-up unit connection layout
The structural drawing of synchronous triggering device 4 in Fig. 3 accompanying drawing 1
Fig. 4 simulates MRS signal source MCU software flow pattern
Fig. 5 PC control panel test process flow diagram
1 host computer, 2USB turns RS-232 communication cable, 3 analog transmissions coils, 4 synchronous triggering devices, 5MRS signal source, 6 signal attenuators, 7 feed circuit, 8 portable MRS-TEM combined instruments, 9TEM simulates receiving coil, 10 passive electrical current transformers, 11AGC circuit, 12 amplifying circuits, 13 full-wave rectifying circuits, 14 low-pass filter circuits, 15 hysteresis comparators, 16 export.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail:
The portable detector of portable MRS-TEM combined instrument, turn RS-232 communication cable 2 by host computer 1 with USB to be connected, analog transmissions coil 3 is connected with signal attenuator 6 through synchronous triggering device 4, MRS signal source 5, and feed circuit 7 connect and compose with synchronous triggering device 4 and MRS signal source 5 respectively.
Detected portable MRS-TEM combined instrument 8 is placed in pick-up unit, host computer 1 is connected with simulation receiving coil 9 with portable MRS-TEM combined instrument 8 through communication cable 2, and analog transmissions coil 3 is connected with analog transmissions coil 3 with detected portable MRS-TEM combined instrument 8 through synchronous triggering device 4, MRS signal source 5, signal attenuator 6.
Synchronous triggering device 4 obtains original synchronous triggering signal by passive electrical current transformer 10 by transmitting coil, is applicable to the synchronous triggering signal of simulation MRS signal source through exporting 16 outputs after agc circuit 11, amplifying circuit 12, full-wave rectifying circuit 13, low-pass filter circuit 14 and hysteresis comparator 15 carries out signal transacting.
The detection method of the portable detector of portable MRS-TEM combined instrument, comprises the following steps:
A, startup host computer 1, parameters: transmission frequency, emitting voltage, triggering mode, stacking fold, enlargement factor, selects Detection of content, comprising: detect communication module and data storage, detecting amplifier, detects and boost, TEM mode detection;
B, detection communication module and data store: host computer 1 turns RS-232 communication cable 2 by USB and sends firing order to portable MRS-TEM combined instrument 8, now instrument no-load running is connecting analog transmitting and receiving coil not, check whether the communication module of portable MRS-TEM combined instrument 8 and data storing work normal, whether boost module normally controlled, guarantee the communication module of portable MRS-TEM combined instrument 8 and data storage function whether intact;
C, detecting amplifier: arrange transmission frequency, emitting voltage, trigger mode, stacking fold, turn RS-232 communication cable 2 by USB and send firing order to portable MRS-TEM combined instrument 8; Start after instrument receives orders and launch through analog transmissions coil 3, synchronous triggering device 4 obtains the synchronous triggering signal being applicable to MRS signal source 5 by analog transmissions coil 3 subsequently, and the simulation MRS signal that MRS signal source 5 exports decays to nV level signal through signal attenuator 6 and delivers to portable MRS-TEM combined instrument 8; Portable MRS-TEM combined instrument 8 collection signal also turns RS-232 communication cable 2 by USB and transfers to host computer 1 after amplifier processes, the amplitude of the signal that portable MRS-TEM combined instrument 8 gathers is presented on the panel of host computer 1, judge that whether instrument signal collection, processing capacity be normal by the signal waveform obtained, carry out enlargement factor and the bandwidth of measuring postevaluation amplifier for 8-10 time, can determine in the fastest mode whether portable MRS-TEM combined instrument 8 amplifier module has problem under making field condition, guarantee that amplifier module function is normal;
D, detection boosting: emitting voltage 30v is set, turns RS-232 communication cable 2 by USB and send a command to portable MRS-TEM combined instrument 8; Boost module is started after portable MRS-TEM combined instrument 8 receives orders, launched by analog transmissions coil 3, if boost module is normal, the Display panel voltage now of portable MRS-TEM combined instrument 8 is 30V, changes emitting voltage, and record the current value corresponding to each magnitude of voltage with step-length 10V, repeat said process and reach 3-5 measurement, guarantee the normal of boost module, obtain emission maximum voltage and the emission maximum electric current of portable MRS-TEM combined instrument 8 simultaneously, boosting test terminates;
E, TEM mode detection: arrange enlargement factor, stacking fold, turns RS-232 communication cable 2 by USB and sends a command to portable MRS-TEM combined instrument 8; Analog transmissions antenna 3 connect 8 Ω/50W power resistor after be connected to the TEM systems radiate end of portable MRS-TEM combined instrument 8, TEM is simulated the receiving end that receiving antenna 9 is connected to the TEM system of portable MRS-TEM combined instrument 8, run TEM control software design to test, repeat said process 5-8 time, guarantee the collection of TEM mode signal, transmitting, transmitter current and metering circuit normal operation, the test of TEM modular system terminates;
F, host computer 1 calling data gather subroutine, turn RS-232 communication cable 2 by USB and send acquisition to portable MRS-TEM combined instrument 8, the signal of collection is turned RS-232 communication cable 2 by USB and passes to host computer 1 by portable MRS-TEM combined instrument 8, host computer 1 calling data process subroutine, after treatment, the data that portable combined instrument 8 gathers are presented on the panel of host computer 1 in real time, and test terminates.
Figure 1 shows that the portable test arrangement of portable MRS-TEM, host computer 1 and USB turn RS-232 communication cable 2 and are connected, analog transmissions coil 3 by the synchronous triggering device 4 based on passive electrical current transformer, to simulate MRS signal source 5 based on MSP430 and simulate MRS signal attenuator 6 and be connected, 24V feed circuit 7 based on HDW524D05A2 are connected with the synchronous triggering device 4 based on passive electrical current transformer, based on HDW524D05A2 24V feed circuit 7 with simulate MRS signal source 5 based on MSP430 and connect and compose.
Figure 2 shows that the test connection layout of proving installation, during MRS system testing, host computer 1 turns RS-232 communication cable 2, portable MRS-TEM combined instrument 8, analog transmissions coil 3 through USB, simulates MRS signal source 5 based on the synchronous triggering device 4 of passive electrical current transformer, based on MSP430, simulation MRS signal attenuator 6 is connected with MRS-TEM combined instrument 8; During TEM system testing, host computer 1 turns RS-232 communication cable 2 through USB, portable MRS-TEM combined instrument 8 is connected with analog transmissions coil 3, TEM simulates receiving coil 9 and is connected with the TEM receiving end of portable MRS-TEM combined instrument 8, and portable MRS-TEM combined instrument 8 turns RS-232 communication cable 2 by USB and test data is given to host computer carries out data acquisition and data processing, form the test process of closed loop.
Figure 3 shows that synchronous triggering device 4 structured flowchart based on passive electrical current transformer, synchronous triggering signal is used to trigger pip Acquisition Circuit or current collection circuit carries out data acquisition, therefore, instrument must be realized when application simulation MRS signal testing and simulate the synchronous of MRS signal source.Passive electrical current transformer 10 obtains original synchronous triggering signal by transmitting coil, a series of signal transacting is carried out through agc circuit 11, amplifying circuit 12, full-wave rectifying circuit 13, low-pass filter circuit 14 and hysteresis comparator 15, finally acquisition is applicable to the synchronous triggering signal of simulation MRS signal source through exporting 16 outputs, and feed circuit 7 are powered for all circuit.
Figure 4 shows that simulation MRS signal source MCU software flow pattern, start to power-up initializing, then key scan subroutine, whether wait for has key to press, namely synchronous triggering signal detected when a key is pressed, call keys interrupt subroutine, call Interruption subroutine, call D/A conversion routine and be connected to export simulate MRS signal with output.
Figure 5 shows that PC control panel test process flow diagram, start II and start testing software, power-up initializing, keyboard parameters: comprise transmission frequency, emitting voltage, triggering mode, stacking fold, enlargement factor, select test event: comprise communication and data On-board test, boosting test, amplifier test, the test of TEM pattern, choose the project that will test and after starting test procedure, calling data gathers subroutine, data processing subroutine, last panel updating also shows result, so far tests end.
The detection method of the portable detector of portable MRS-TEM combined instrument, works according to the following steps:
A, startup host computer 1, parameters: transmission frequency, emitting voltage, triggering mode, stacking fold, enlargement factor, selects Detection of content, comprising: detect communication module and data storage, detecting amplifier, detects and boost, TEM mode detection;
B, detection communication module and data store: host computer 1 turns RS-232 communication cable 2 by USB and sends firing order to portable MRS-TEM combined instrument 8, now instrument no-load running is connecting analog transmitting and receiving coil not, check whether the communication module of portable MRS-TEM combined instrument 8 and data storing work normal, whether boost module normally controlled, guarantee the communication module of portable MRS-TEM combined instrument 8 and data storage function intact;
C, detecting amplifier: arrange transmission frequency, emitting voltage, trigger mode, stacking fold, turn RS-232 communication cable 2 by USB and send firing order to portable MRS-TEM combined instrument 8, start after instrument receives orders and launch through analog transmissions coil 3, synchronous triggering device 4 subsequently based on passive electrical current transformer obtains the synchronous triggering signal being applicable to simulate MRS signal source 5 based on MSP430 by analog transmissions coil 3, the simulation MRS signal of simulating the output of MRS signal source 5 based on MSP430 decays to nV level signal through simulation MRS signal attenuator 6 and delivers to portable MRS-TEM combined instrument 8, portable MRS-TEM combined instrument 8 collection signal also turns RS-232 communication cable 2 by USB and transfers to host computer 1 after amplifier processes, the amplitude of the signal that portable MRS-TEM combined instrument 8 gathers is presented on the panel of host computer 1, instrument signal collection can be judged by the signal waveform obtained, whether processing capacity is normal, carry out enlargement factor and the bandwidth that can evaluate amplifier after measuring for 8-10 time, can determine in the fastest mode under making field condition whether portable MRS-TEM combined instrument 8 amplifier plate has problem, guarantee that amplifier plate function is normal,
D, detection boosting: emitting voltage 30v is set, turns RS-232 communication cable 2 by USB and send a command to portable MRS-TEM combined instrument 8; Boost module is started after portable MRS-TEM combined instrument 8 receives orders, launched by analog transmissions coil 3, if boost module is normal, the Display panel voltage now of portable MRS-TEM combined instrument 8 is 30V, changes emitting voltage, and record the current value corresponding to each magnitude of voltage with step-length 10V, repeat said process and reach 3-5 measurement, guarantee the normal of boost module, obtain emission maximum voltage and the emission maximum electric current of portable MRS-TEM combined instrument 8 simultaneously, boosting test terminates;
E, TEM mode detection: arrange enlargement factor, stacking fold, turns RS-232 communication cable 2 by USB and sends a command to portable MRS-TEM combined instrument 8; Analog transmissions antenna 3 connect 8 Ω/50W power resistor after be connected to the TEM systems radiate end of portable MRS-TEM combined instrument 8, TEM is simulated the receiving end that receiving antenna 9 is connected to the TEM system of portable MRS-TEM combined instrument 8, run TEM control software design to test, repeat said process 5-8 time, guarantee the collection of TEM mode signal, transmitting, transmitter current and metering circuit normal operation, the test of TEM modular system terminates;
F, host computer 1 calling data gather subroutine, turn RS-232 communication cable 2 by USB and send acquisition to portable MRS-TEM combined instrument 8, the signal of collection is turned RS-232 communication cable 2 by USB and passes to host computer 1 by portable MRS-TEM combined instrument 8, host computer 1 calling data process subroutine, after treatment, the data that portable combined instrument 8 gathers are presented on the software panel of host computer 1 in real time, and test terminates;
Embodiment 1
Detect communication module and data storage: host computer 1 turns RS-232 communication cable 2 by USB and sends firing order to portable MRS-TEM combined instrument 8, now instrument no-load running is connecting analog transmitting and receiving coil not, check whether the communication module of portable MRS-TEM combined instrument 8 and data storing work normal, whether boost module normally controlled, guarantee the communication module of portable MRS-TEM combined instrument 8 and data storage function intact;
Embodiment 2
Amplifier detects: start host computer 1, arrange transmission frequency 2326Hz, emitting voltage 30V, trigger mode for outside, negative edge triggers, stacking fold is 16 times; Turn RS-232 communication cable 2 by USB and send firing order to portable MRS-TEM combined instrument 8; Start after portable MRS-TEM combined instrument 8 receives orders and launch through analog transmissions coil 3, synchronous triggering device 4 subsequently based on passive electrical current transformer obtains the synchronous triggering signal being applicable to simulate MRS signal source 5 based on MSP430 by analog transmissions coil 3, the simulation MRS signal of simulating the output of MRS signal source 5 based on MSP430 decays to nV level signal through simulation MRS signal attenuator 6 and delivers to portable MRS-TEM combined instrument 8; Portable MRS-TEM combined instrument 8 collection signal also turns RS-232 communication cable 2 by USB and transfers to host computer 1 after amplifier processes, the amplitude of the signal that portable MRS-TEM combined instrument 8 gathers is presented on the panel of host computer 1, instrument signal collection, processing capacity can be judged whether normally by the signal waveform obtained, carry out enlargement factor and the bandwidth that can evaluate amplifier after measuring for 10 times; Host computer 1 calling data gathers subroutine, turn RS-232 communication cable 2 by USB and send acquisition to portable MRS-TEM combined instrument 8, the signal of collection is turned RS-232 communication cable 2 by USB and passes to host computer 1 by portable MRS-TEM combined instrument 8, host computer 1 calling data process subroutine, after treatment, the data that portable combined instrument 8 gathers are presented on the software panel of host computer 1 in real time, and test terminates;
Embodiment 3
Boosting detects: arrange emitting voltage 30v, turn RS-232 communication cable 2 send a command to portable MRS-TEM combined instrument 8 by USB; Boost module is started after portable MRS-TEM combined instrument 8 receives orders, launched by analog transmissions coil 3, if boost module is normal, the Display panel voltage now of portable MRS-TEM combined instrument 8 is 30V, changes emitting voltage, and record the current value corresponding to each magnitude of voltage with step-length 10V, repeat said process and reach 5 measurements, guarantee the normal of boost module, obtain emission maximum voltage and the emission maximum electric current of portable MRS-TEM combined instrument 8 simultaneously, boosting test terminates;
Embodiment 4
TEM mode detection: start host computer 1, arrange that enlargement factor is 8, stacking fold is 32, turn RS-232 communication cable 2 by USB and send a command to portable MRS-TEM combined instrument 8; Analog transmissions antenna 3 connect 8 Ω/50W power resistor after be connected to the TEM systems radiate end of portable MRS-TEM combined instrument 8, TEM is simulated the receiving end that receiving antenna 9 is connected to the TEM system of portable MRS-TEM combined instrument 8, run TEM control software design, repeat said process 8 times, guarantee the collection of TEM mode signal, transmitting, transmitter current and metering circuit normal operation; Host computer 1 calling data gathers subroutine, turn RS-232 communication cable 2 by USB and send acquisition to portable MRS-TEM combined instrument 8, the signal of collection is turned RS-232 communication cable 2 by USB and passes to host computer 1 by portable MRS-TEM combined instrument 8, host computer 1 calling data process subroutine, after treatment, the data that portable combined instrument 8 gathers are presented on the software panel of host computer 1 in real time, and test terminates;
Embodiment 5
Amplifier detects: start host computer 1, arrange transmission frequency 2326Hz, emitting voltage 30V, trigger mode for outside, negative edge triggers, stacking fold is 16 times; Turn RS-232 communication cable 2 by USB and send firing order to portable MRS-TEM combined instrument 8; Start after portable MRS-TEM combined instrument 8 receives orders and launch through analog transmissions coil 3, synchronous triggering device 4 subsequently based on passive electrical current transformer obtains the synchronous triggering signal being applicable to simulate MRS signal source 5 based on MSP430 by analog transmissions coil 3, the simulation MRS signal of simulating the output of MRS signal source 5 based on MSP430 decays to nV level signal through simulation MRS signal attenuator 6 and delivers to portable MRS-TEM combined instrument 8; Portable MRS-TEM combined instrument 8 collection signal also turns RS-232 communication cable 2 by USB and transfers to host computer 1 after amplifier processes, the amplitude of the signal that portable MRS-TEM combined instrument 8 gathers is presented on the panel of host computer 1, instrument signal collection, processing capacity can be judged whether normally by the signal waveform obtained, carry out enlargement factor and the bandwidth that can evaluate amplifier after measuring for 8 times; Host computer 1 calling data gathers subroutine, turn RS-232 communication cable 2 by USB and send acquisition to portable MRS-TEM combined instrument 8, the signal of collection is turned RS-232 communication cable 2 by USB and passes to host computer 1 by portable MRS-TEM combined instrument 8, host computer 1 calling data process subroutine, after treatment, the data that portable combined instrument 8 gathers are presented on the software panel of host computer 1 in real time, and test terminates;
Embodiment 6
Boosting detects: arrange emitting voltage 30v, turn RS-232 communication cable 2 send a command to portable MRS-TEM combined instrument 8 by USB; Boost module is started after portable MRS-TEM combined instrument 8 receives orders, launched by analog transmissions coil 3, if boost module is normal, the Display panel voltage now of portable MRS-TEM combined instrument 8 is 30V, changes emitting voltage, and record the current value corresponding to each magnitude of voltage with step-length 10V, repeat said process and reach 3 measurements, guarantee the normal of boost module, obtain emission maximum voltage and the emission maximum electric current of portable MRS-TEM combined instrument 8 simultaneously, boosting test terminates;
Embodiment 7
TEM mode detection: start host computer 1, arrange that enlargement factor is 8, stacking fold is 32, turn RS-232 communication cable 2 by USB and send a command to portable MRS-TEM combined instrument 8; Analog transmissions antenna 3 connect 8 Ω/50W power resistor after be connected to the TEM systems radiate end of portable MRS-TEM combined instrument 8, TEM is simulated the receiving end that receiving antenna 9 is connected to the TEM system of portable MRS-TEM combined instrument 8, run TEM control software design, repeat said process 5 times, guarantee the collection of TEM mode signal, transmitting, transmitter current and metering circuit normal operation; Host computer 1 calling data gathers subroutine, turn RS-232 communication cable 2 by USB and send acquisition to portable MRS-TEM combined instrument 8, the signal of collection is turned RS-232 communication cable 2 by USB and passes to host computer 1 by portable MRS-TEM combined instrument 8, host computer 1 calling data process subroutine, after treatment, the data that portable combined instrument 8 gathers are presented on the software panel of host computer 1 in real time, and test terminates.
Claims (4)
1. the portable detector of a portable MRS-TEM combined instrument, it is characterized in that, turn RS-232 communication cable (2) by host computer (1) with USB to be connected, analog transmissions coil (3) is connected with signal attenuator (6) through synchronous triggering device (4), MRS signal source (5), and feed circuit (7) connect and compose with synchronous triggering device (4) and MRS signal source (5) respectively.
2. according to the portable detector of portable MRS-TEM combined instrument according to claim 1, it is characterized in that, detected portable MRS-TEM combined instrument (8) is placed in pick-up unit, host computer (1) is connected with simulation receiving coil (9) with portable MRS-TEM combined instrument (8) through communication cable (2), and analog transmissions coil (3) is connected with analog transmissions coil (3) with detected portable MRS-TEM combined instrument (8) through synchronous triggering device (4), MRS signal source (5), signal attenuator (6).
3. according to the portable detector of portable MRS-TEM combined instrument according to claim 1, it is characterized in that, synchronous triggering device (4) obtains original synchronous triggering signal by passive electrical current transformer (10) by transmitting coil, and the synchronous triggering signal being applicable to simulate MRS signal source after agc circuit (11), amplifying circuit (12), full-wave rectifying circuit (13), low-pass filter circuit (14) and hysteresis comparator (15) carry out signal transacting exports through exporting (16).
4., according to the detection method of the portable detector of portable MRS-TEM combined instrument according to claim 1, it is characterized in that, comprise the following steps:
A, startup host computer (1), parameters: transmission frequency, emitting voltage, triggering mode, stacking fold, enlargement factor, selects Detection of content, comprise: detect communication module and data storage, detecting amplifier, detects boosting, TEM mode detection;
B, detection communication module and data store: host computer (1) turns RS-232 communication cable (2) by USB and sends firing order to portable MRS-TEM combined instrument (8), now instrument no-load running is connecting analog transmitting and receiving coil not, check whether the communication module of portable MRS-TEM combined instrument (8) and data storing work normal, whether boost module normally controlled, guarantee the communication module of portable MRS-TEM combined instrument (8) and data storage function whether intact;
C, detecting amplifier: arrange transmission frequency, emitting voltage, trigger mode, stacking fold, turn RS-232 communication cable (2) by USB and send firing order to portable MRS-TEM combined instrument (8), start after instrument receives orders and launch through analog transmissions coil (3), synchronous triggering device (4) obtains the synchronous triggering signal being applicable to MRS signal source (5) by analog transmissions coil (3) subsequently, and the simulation MRS signal that MRS signal source (5) exports decays to nV level signal through signal attenuator (6) and delivers to portable MRS-TEM combined instrument (8), portable MRS-TEM combined instrument (8) collection signal also turns RS-232 communication cable (2) by USB and transfers to host computer (1) after amplifier processes, the amplitude of the signal that portable MRS-TEM combined instrument (8) gathers is presented on the panel of host computer (1), instrument signal collection is judged by the signal waveform obtained, whether processing capacity is normal, carry out enlargement factor and the bandwidth of measuring postevaluation amplifier for 8-10 time, can determine in the fastest mode under making field condition whether portable MRS-TEM combined instrument (8) amplifier module has problem, guarantee that amplifier module function is normal,
D, detection boosting: emitting voltage 30v is set, turns RS-232 communication cable (2) by USB and send a command to portable MRS-TEM combined instrument (8); Boost module is started after portable MRS-TEM combined instrument (8) receives orders, launched by analog transmissions coil (3), if boost module is normal, the Display panel voltage now of portable MRS-TEM combined instrument (8) is 30V, emitting voltage is changed with step-length 10V, and the current value recorded corresponding to each magnitude of voltage, repeat said process and reach 3-5 measurement, guarantee the normal of boost module, obtain emission maximum voltage and the emission maximum electric current of portable MRS-TEM combined instrument (8), boosting test terminates simultaneously;
E, TEM mode detection: arrange enlargement factor, stacking fold, turns RS-232 communication cable (2) by USB and sends a command to portable MRS-TEM combined instrument (8); The TEM systems radiate end of portable MRS-TEM combined instrument (8) is connected to after the power resistor of analog transmissions antenna (3) series connection 8 Ω/50W, TEM is simulated the receiving end that receiving antenna (9) is connected to the TEM system of portable MRS-TEM combined instrument (8), run TEM control software design to test, repeat said process 5-8 time, guarantee the collection of TEM mode signal, transmitting, transmitter current and metering circuit normal operation, the test of TEM modular system terminates;
F, host computer (1) calling data gather subroutine, turn RS-232 communication cable (2) by USB and send acquisition to portable MRS-TEM combined instrument (8), the signal of collection is turned RS-232 communication cable (2) by USB and passes to host computer (1) by portable MRS-TEM combined instrument (8), host computer (1) calling data process subroutine, after treatment, the data that portable combined instrument (8) gathers are presented on the panel of host computer (1) in real time, and test terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510622793.5A CN105182446A (en) | 2015-09-28 | 2015-09-28 | Portable detection device of portable MRS-TEM combined instrument and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510622793.5A CN105182446A (en) | 2015-09-28 | 2015-09-28 | Portable detection device of portable MRS-TEM combined instrument and detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105182446A true CN105182446A (en) | 2015-12-23 |
Family
ID=54904642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510622793.5A Pending CN105182446A (en) | 2015-09-28 | 2015-09-28 | Portable detection device of portable MRS-TEM combined instrument and detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105182446A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479110A (en) * | 2017-09-29 | 2017-12-15 | 中国石油集团川庆钻探工程有限公司地球物理勘探公司 | A kind of earthquake wave detector test system and method |
| CN109387718A (en) * | 2018-12-07 | 2019-02-26 | 成都精位科技有限公司 | UWB amplifier performance detection method and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251607A (en) * | 2008-04-09 | 2008-08-27 | 吉林大学 | Testing and standardization device for ground nuclear magnetic resonance water-seeking instrument system as well as testing method |
| CN103809206A (en) * | 2014-03-11 | 2014-05-21 | 吉林大学 | Underground water detection device and detection method based on combination of nuclear magnetic resonance and transient electromagnetic method |
| CN104280780A (en) * | 2014-10-28 | 2015-01-14 | 吉林大学 | Nuclear magnetic resonance and transient electromagnetic combination instrument and work method |
| US20150160367A1 (en) * | 2013-12-11 | 2015-06-11 | Baker Hughes Incorporated | Determination and Display of Apparent Resistivity of Downhole Transient Electromagnetic Data |
-
2015
- 2015-09-28 CN CN201510622793.5A patent/CN105182446A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101251607A (en) * | 2008-04-09 | 2008-08-27 | 吉林大学 | Testing and standardization device for ground nuclear magnetic resonance water-seeking instrument system as well as testing method |
| US20150160367A1 (en) * | 2013-12-11 | 2015-06-11 | Baker Hughes Incorporated | Determination and Display of Apparent Resistivity of Downhole Transient Electromagnetic Data |
| CN103809206A (en) * | 2014-03-11 | 2014-05-21 | 吉林大学 | Underground water detection device and detection method based on combination of nuclear magnetic resonance and transient electromagnetic method |
| CN104280780A (en) * | 2014-10-28 | 2015-01-14 | 吉林大学 | Nuclear magnetic resonance and transient electromagnetic combination instrument and work method |
Non-Patent Citations (1)
| Title |
|---|
| 曲国丽: "MRS-TEM联用仪标准化测试平台的研制", 《中国优秀硕士学位论文全文数据库 工程科技II辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479110A (en) * | 2017-09-29 | 2017-12-15 | 中国石油集团川庆钻探工程有限公司地球物理勘探公司 | A kind of earthquake wave detector test system and method |
| CN109387718A (en) * | 2018-12-07 | 2019-02-26 | 成都精位科技有限公司 | UWB amplifier performance detection method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101609136B (en) | Voltage transformer secondary voltage drop tester and phase-angle difference testing method thereof | |
| CN101482603A (en) | Automatic calibration system of frequency spectrum analyzer | |
| CN101251585A (en) | Method and apparatus for checking global error of high voltage energy metering installation | |
| CN105738836A (en) | DC/DC converter automatic test system | |
| CN102854485A (en) | Automated adjustment system for comprehensive multi-parameter electrical measuring instrument and adjustment method | |
| CN110187299A (en) | A kind of aviation Support Equipment electrical parameter generic calibration system | |
| CN103823128B (en) | A kind of FCT/ICT comprehensive test device customizing electronic product | |
| CN103234534A (en) | Method for testing sensitivity of airplane radio compass receiver | |
| CN103513223A (en) | Electric energy meter communication interface load capacity test system | |
| CN201654208U (en) | Low-frequency magnetic field intensity measuring device | |
| CN105467355A (en) | Automatic testing method of electric energy meter and automatic testing device of same | |
| CN103257277A (en) | Multifunctional virtual instrument based on constant flow source and control method | |
| CN105182446A (en) | Portable detection device of portable MRS-TEM combined instrument and detection method | |
| CN105510860A (en) | Power frequency synchronization digital embedded partial discharge detector calibration system | |
| CN109901055A (en) | A kind of OBD equipment performance test macro | |
| CN108982978B (en) | Pulse electric field detector with sensitivity coefficient self-calibration and power management functions and use method | |
| CN204694835U (en) | Connection box of electric energy meter emulation cabinet wiring portable testing system | |
| CN206945841U (en) | The detection means of harmonic-eliminating resistor | |
| CN202886580U (en) | Automated adjustment system for comprehensive multi-parameter electrical measuring instrument | |
| CN103116193B (en) | The special distant quick-fried synchro system proving installation of a kind of physical prospecting | |
| CN110045311A (en) | Metering secondary global error on-the-spot test method and its system | |
| CN205920211U (en) | Portable capacitive on -line monitoring sensor tester | |
| CN205210296U (en) | A detecting system for detecting partial discharge detector | |
| CN204101639U (en) | A kind of lightning impulse earth loop impedance test instrument | |
| CN114593648A (en) | Testing device for magnetic induction distance fuse |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151223 |
|
| RJ01 | Rejection of invention patent application after publication |