CN205483108U - Electromagnetism array correlation method flow meter sensor signal processing and long distance transmission device - Google Patents
Electromagnetism array correlation method flow meter sensor signal processing and long distance transmission device Download PDFInfo
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- CN205483108U CN205483108U CN201620243888.6U CN201620243888U CN205483108U CN 205483108 U CN205483108 U CN 205483108U CN 201620243888 U CN201620243888 U CN 201620243888U CN 205483108 U CN205483108 U CN 205483108U
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Abstract
The utility model provides an electromagnetism array correlation method flow meter sensor signal processing and long distance transmission device, through utilizing simulation programmable switch gate to become two way voltage signal with serial mode output with the two sets of N way voltage signal of upstream and downstream of the relevant sensor parallel output of electromagnetism array, combine filtering and amplifying circuit, the VF linear conversion circuit, positive and negative pulse frequency compound circuit and FV linear conversion circuit, realized using single core supply cable to carry out long distance transmission and processing as the carrier to two sets of multichannel voltage signal in the pit. The utility model discloses to the oil field in the pit signal transmission have the characteristics that decay nature is little, the interference killing feature is strong, but electromagnetism array correlation method flowmeter has effectively been exert in the pit to containing the electrically conductive material of non - and especially being the advantage of the heterogeneous class of flow accurate measurement that the non -axisymmetric flow field distributes under narrow and small space, the adverse circumstances to the on line implement two sets of multichannel voltage signal's of upstream and downstream long distance transmission and flow real -time measurement in the pit.
Description
Technical field
This utility model relates to a kind of Petroleum Production well logging field multiple signals and processes and transmitting device, especially
Relate to a kind of electromagnetic array method of correlation flowmeter sensor signal processing and long distance transmitter.
Background technology
In oilfield development process, oil well flow is an important parameter in Production development well logging.Currently, adopt
The sensor measuring downhole flow with cross-correlation method has a lot, such as conductivity sensor, ultrasonic sensor and electricity
Magnetic Sensor etc..Cross-correlation flow measurement technology is to grow up based on the Cross-Correlation Theory of stochastic process
A kind of online flow parameter detection technique, utilize internal fluid spontaneous stochastic flow moving noise phenomenon,
The flowing velocity measurement of fluid is converted into fluid estimate to ask by the time delay between diverse location two sensors
Topic.
For oil-in-water, the water bag gas oil-gas-water three-phase flow of High water cut, owing to fluid containing non-conductive oil gas
Phase, also can produce impact to measuring velocity flow profile on pipeline section, pipeline section divides in non-axis symmetry flow field
Cloth, now application electromagnetic array method of correlation flowmeter survey can effectively solve down-hole small space, severe ring
To containing electron opaque material and especially asking of accurately measuring of multiphase flow rate in non-axis symmetry Flow Field Distribution under border
Topic.
Due to factor restrictions such as underground work bad environments, narrow spaces, tradition flow measurement is typically
By downhole sensor export analog voltage signal be directly transferred to ground after again be analyzed process, this directly
Connecing transmission means, have decay to voltage signal big, easily by the shortcomings such as external interference, distortion be serious, serious shadow
Ring precision and the reliability of flow measurement.Especially electromagnetic array method of correlation flowmeter sensor is in oil well work
Can produce two groups of plurality of voltages signals of upstream and downstream with dependency when making, this will be for down-hole plurality of voltages signal
While long-distance transmissions and real-time process and have higher requirement.
Utility model content
The purpose of this utility model is for solving above-mentioned deficiency, it is provided that a kind of electromagnetic array method of correlation effusion meter passes
Sensor signal processes and long distance transmitter.
The purpose of this utility model is achieved through the following technical solutions:
A kind of electromagnetic array method of correlation flowmeter sensor signal processing and long distance transmitter, including electromagnetism
Array method of correlation flowmeter sensor, two-way N channel signal shielding drive pretreatment circuit module, two-way N to lead to
Road simulation program-controlled switching circuit module, two-way voltage signal filter amplification circuit module, two-way voltage/frequency turn
Change circuit module, two-way frequency signal compound circuit module, single-core cable supply module, positive negative pulse stuffing be combined
Signal comparison process circuit module, two-way frequency/voltage change-over circuit module and host computer, electromagnetic array is correlated with
Method flowmeter sensor connects two-way N channel signal shielding and drives pretreatment circuit module, two-way N channel signal
Shield guard pretreatment circuit module connects two-way N channel simulation program-controlled switching circuit module, two-way N channel mould
Intending program-controlled switching circuit module and connect two-way voltage signal filter amplification circuit module, two-way voltage signal filters
Amplification circuit module connects two-way voltage/frequency change-over circuit module, and two-way voltage/frequency change-over circuit module is even
Connecing two-way frequency signal compound circuit module, two-way frequency signal compound circuit module connects single-core cable and powers
Module, single-core cable supply module connects positive negative pulse stuffing composite signal comparison process circuit module, positive negative pulse stuffing
Composite signal comparison process circuit module connects two-way frequency/voltage change-over circuit module, and two-way frequency/voltage turns
Change circuit module and connect host computer.
This utility model the most so some technical characteristics:
Described electromagnetic array method of correlation flowmeter sensor is responsible for exporting two groups of N of upstream and downstream with dependency
Road voltage signal.
Described two-way N channel signal shielding drives pretreatment circuit module to be responsible for two groups of N road voltages of upstream and downstream
The pretreatment of signal, to meet the requirement of analog switching circuit input.
The master controller of described two-way N channel simulation program-controlled switching circuit module uses
STM32F103C6T7A single-chip microcomputer, is responsible for two groups of N road voltage letters of upstream and downstream of continuous for sensor parallel output
Number carry out gating the corresponding upstream and downstream two-way voltage signal of output in a serial fashion according to a definite sequence.
Described two-way voltage signal filter amplification circuit module is responsible for exporting in a serial fashion the upstream and downstream of correspondence
The filtering of two-way voltage signal, processing and amplifying.
Described two-way voltage/frequency change-over circuit module is responsible for the two-way voltage signal linear transformation after processing
For two-way frequency signal.
Described two-way frequency signal compound circuit module is responsible for being coupled as the two-way frequency signal of linear transformation
Positive negative pulse stuffing composite signal, the single-core cable supply module described in utilization carries out long-distance transmissions for carrier.
Described positive negative pulse stuffing composite signal comparison process circuit module is responsible for utilize single-core cable supply module
Transmission is separated into two-way positive pulse frequency signal to the positive negative pulse stuffing composite signal on ground, by described two-way frequency
Rate/voltage conversion circuit linear is converted to two-way voltage signal, and delivers to host computer and carry out computing cross-correlation
And Data Fusion.
This utility model has a following beneficial effect:
Circuit design of the present utility model is reasonable, low cost, volume are little, real-time, and underground signal transmits
Decay Rate is little, capacity of resisting disturbance is strong, can obtain oil well by canbe used on line electromagnetic array method of correlation flowmeter sensor
Multiposition, the string client information of multi-angle during in down-hole High Temperature High Pressure, small space, fluid flows, solve well
The long-distance transmissions of lower multiple signals, effectively played electromagnetic array method of correlation effusion meter down-hole small space,
Accurately measure containing electron opaque material and especially multiphase flow rate in non-axis symmetry Flow Field Distribution under adverse circumstances
Advantage.
Accompanying drawing explanation
Fig. 1 overall structure of the present utility model schematic diagram.
1 electromagnetic array method of correlation flowmeter sensor, 2 two-way N channel signal shieldings drive pretreatment circuit
Module, 3 two-way N channel simulation program-controlled switching circuit modules, 4 two-way voltage signal filter amplification circuit moulds
Block, 5 two-way voltage/frequency change-over circuit modules, 6 two-way frequency signal compound circuit modules, 7 singles
Cable power supply module, 8 positive negative pulse stuffing composite signal comparison process circuit modules, 9 two-way frequency/voltage turn
Change circuit module, 10 host computers.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described:
Embodiment 1
A kind of electromagnetic array method of correlation flowmeter sensor signal processing and long distance transmitter, including electromagnetism
Array method of correlation flowmeter sensor 1, two-way N channel signal shielding drive pretreatment circuit module 2, two-way N
Tunnels analogy program-controlled switching circuit module 3, two-way voltage signal filter amplification circuit module 4, two-way voltage/frequently
Rate change-over circuit module 5, two-way frequency signal compound circuit module 6, single-core cable supply module 7, positive and negative arteries and veins
Rush composite signal comparison process circuit module 8, two-way frequency/voltage change-over circuit module 9 and host computer 10, electricity
Magnetic array method of correlation flowmeter sensor 1 connects two-way N channel signal shielding and drives pretreatment circuit module 2, double
Road N channel signal shielding drives pretreatment circuit module 2 to connect two-way N channel simulation program-controlled switching circuit module
3, two-way N channel simulation program-controlled switching circuit module 3 connects two-way voltage signal filter amplification circuit module 4,
Two-way voltage signal filter amplification circuit module 4 connects two-way voltage/frequency change-over circuit module 5, and two-way voltage/
Freq converting circuit module 5 connects two-way frequency signal compound circuit module 6, two-way frequency signal compound circuit
Module 6 connects single-core cable supply module 7, and single-core cable supply module 7 connects positive negative pulse stuffing composite signal and compares
Processing circuit module 8, positive negative pulse stuffing composite signal comparison process circuit module 8 connects the conversion of two-way frequency/voltage
Circuit module 9, two-way frequency/voltage change-over circuit module 9 connects host computer 10, and described electromagnetic array is correlated with
Method flowmeter sensor 1 is responsible for output and is had two groups of N road voltage signals of upstream and downstream of dependency, described two-way
N channel signal shielding drives pretreatment circuit module 2 to be responsible for the pretreatment of two groups of N road voltage signals of upstream and downstream,
To meet the requirement of analog switching circuit input, described two-way N channel simulation program-controlled switching circuit module 3
Master controller use STM32F103C6T7A single-chip microcomputer, be responsible for upper and lower by continuous for sensor parallel output
Swim two groups of N road voltage signals and carry out gating the corresponding upstream and downstream two-way electricity of output in a serial fashion according to a definite sequence
Pressure signal, described two-way voltage signal filter amplification circuit module 4 is responsible for exporting the upper of correspondence in a serial fashion
The filtering of downstream two-way voltage signal, processing and amplifying, described two-way voltage/frequency change-over circuit module 5 is responsible for
Two-way voltage signal linear transformation after processing is two-way frequency signal, and described two-way frequency signal is combined
Circuit module 6 is responsible for being coupled as the two-way frequency signal of linear transformation positive negative pulse stuffing composite signal, utilizes described
Single-core cable supply module 7 carry out long-distance transmissions for carrier, described positive negative pulse stuffing composite signal compares place
Reason circuit module 8 is responsible for dividing the positive negative pulse stuffing composite signal utilizing single-core cable supply module 7 to transmit to ground
From for two-way positive pulse frequency signal, it is two by described two-way frequency/voltage change-over circuit module 9 linear transformation
Road voltage signal, and deliver to host computer 10 carry out computing cross-correlation and Data Fusion with obtain measure fluid
Flow velocity and flow value.
Embodiment 2
Multiple signals process and the work process of long distance transmitter: electromagnetic array method of correlation effusion meter senses
Device produces uniform magnetic field by magnet exciting coil in measured zone, when fluid-mixing is by measured zone, up and down
Trip array detection electrode by export two groups of there is dependency and signal amplitudes and faint, interference component is complicated,
The N road voltage signal that signal internal resistance excursion is big, takes up room for reducing circuit cost and reduction, first will obtain
The two groups of correspondences taken have the N road signal of dependency and carry out shield guard pretreatment to meet two-way N channel
Simulation program-controlled switching circuit module needs, and is then led to by two groups of N road voltage signals of upstream and downstream of continuous parallel output
Cross analog switch gating to become exporting corresponding upstream and downstream two-way voltage signal in a serial fashion, then through two-way voltage
Signal filtering amplification circuit module processes the two-way voltage signal obtained after filtering noise, amplification, due to frequency
Signal carries out long-distance transmissions compared with voltage signal and has the features such as little, the strong interference immunity of decay, i.e. utilizes two-way
Voltage/frequency change-over circuit module will process after two-way voltage signal linear transformation be capacity of resisting disturbance by force, no
Easily the two-way frequency signal of decay, owing to downhole instrument is that single-core cable is powered, i.e. needs to utilize two-way frequency to believe
The two-way frequency signal of conversion is coupled as positive negative pulse stuffing composite signal and with single-core cable by number compound circuit module
Supply module is that carrier realizes long-distance transmissions, when positive negative pulse stuffing composite signal passes through single-core cable supply module
After transporting to ground, positive negative pulse stuffing composite signal comparison process circuit module is utilized to be held by single-core cable supply module
The positive negative pulse stuffing composite signal carried isolates two-way positive pulse frequency signal, by two-way frequency/voltage conversion electricity
The two-way positive pulse frequency signal linear transformation of acquisition for corresponding two-way voltage signal and is delivered to upper by road module
Machine carries out computing cross-correlation and Data Fusion, finally realizes containing electron opaque material and especially in non-axle pair
Claim the on-line measurement of the down-hole multiphase flow rate of Flow Field Distribution.
Claims (8)
1. electromagnetic array method of correlation flowmeter sensor signal processing and a long distance transmitter, including
Electromagnetic array method of correlation flowmeter sensor, two-way N channel signal shielding drive pretreatment circuit module, two-way
N channel simulation program-controlled switching circuit module, two-way voltage signal filter amplification circuit module, two-way voltage/frequently
Rate change-over circuit module, two-way frequency signal compound circuit module, single-core cable supply module, positive negative pulse stuffing
Composite signal comparison process circuit module, two-way frequency/voltage change-over circuit module and host computer, its feature exists
In: electromagnetic array method of correlation flowmeter sensor connects two-way N channel signal shielding and drives pretreatment circuit mould
Block, two-way N channel signal shielding drives pretreatment circuit module to connect two-way N channel simulation program-controlled switching circuit
Module, two-way N channel simulation program-controlled switching circuit module connects two-way voltage signal filter amplification circuit module,
Two-way voltage signal filter amplification circuit module connection two-way voltage/frequency change-over circuit module, two-way voltage/frequently
Rate change-over circuit module connects two-way frequency signal compound circuit module, two-way frequency signal compound circuit module
Connecting single-core cable supply module, single-core cable supply module connects positive negative pulse stuffing composite signal comparison process electricity
Road module, positive negative pulse stuffing composite signal comparison process circuit module connects two-way frequency/voltage change-over circuit module,
Two-way frequency/voltage change-over circuit module connects host computer.
2. electromagnetic array method of correlation flowmeter sensor signal processing as claimed in claim 1 a kind of and remote
Distance Transmission device, it is characterised in that: described electromagnetic array method of correlation flowmeter sensor is responsible for output tool
There are two groups of N road voltage signals of upstream and downstream of dependency.
3. electromagnetic array method of correlation flowmeter sensor signal processing as claimed in claim 1 a kind of and remote
Distance Transmission device, it is characterised in that: described two-way N channel signal shielding drives pretreatment circuit module to bear
The pretreatment of duty two groups of N road voltage signals of upstream and downstream, to meet the requirement of analog switching circuit input.
4. electromagnetic array method of correlation flowmeter sensor signal processing as claimed in claim 1 a kind of and remote
Distance Transmission device, it is characterised in that: the main control of described two-way N channel simulation program-controlled switching circuit module
Device uses STM32F103C6T7A single-chip microcomputer, is responsible for two groups of N of upstream and downstream of continuous for sensor parallel output
Road voltage signal carries out gating the corresponding upstream and downstream two-way voltage signal of output in a serial fashion according to a definite sequence.
5. electromagnetic array method of correlation flowmeter sensor signal processing as claimed in claim 1 a kind of and remote
Distance Transmission device, it is characterised in that: described two-way voltage signal filter amplification circuit module is responsible for string
Line mode the output corresponding filtering of upstream and downstream two-way voltage signal, processing and amplifying.
6. electromagnetic array method of correlation flowmeter sensor signal processing as claimed in claim 1 a kind of and remote
Distance Transmission device, it is characterised in that: described two-way voltage/frequency change-over circuit module is responsible for after process
Two-way voltage signal linear transformation be two-way frequency signal.
7. electromagnetic array method of correlation flowmeter sensor signal processing as claimed in claim 1 a kind of and remote
Distance Transmission device, it is characterised in that: described two-way frequency signal compound circuit module is responsible for linearly turning
The two-way frequency signal changed is coupled as positive negative pulse stuffing composite signal, and the single-core cable supply module described in utilization is
Carrier carries out long-distance transmissions.
8. electromagnetic array method of correlation flowmeter sensor signal processing as claimed in claim 1 a kind of and remote
Distance Transmission device, it is characterised in that: described positive negative pulse stuffing composite signal comparison process circuit module is responsible for
It is separated into two-way positive pulse frequency by utilizing the single-core cable supply module transmission positive negative pulse stuffing composite signal to ground
Rate signal, is converted to two-way voltage signal by described two-way frequency/voltage change-over circuit linear, and send
Computing cross-correlation and Data Fusion is carried out to host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620243888.6U CN205483108U (en) | 2016-03-28 | 2016-03-28 | Electromagnetism array correlation method flow meter sensor signal processing and long distance transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620243888.6U CN205483108U (en) | 2016-03-28 | 2016-03-28 | Electromagnetism array correlation method flow meter sensor signal processing and long distance transmission device |
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| Publication Number | Publication Date |
|---|---|
| CN205483108U true CN205483108U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620243888.6U Expired - Fee Related CN205483108U (en) | 2016-03-28 | 2016-03-28 | Electromagnetism array correlation method flow meter sensor signal processing and long distance transmission device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461305A (en) * | 2020-11-16 | 2021-03-09 | 西南石油大学 | Novel multi-coil array flow electromagnetic measurement device and measurement method |
-
2016
- 2016-03-28 CN CN201620243888.6U patent/CN205483108U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461305A (en) * | 2020-11-16 | 2021-03-09 | 西南石油大学 | Novel multi-coil array flow electromagnetic measurement device and measurement method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20180328 |