CN107036680B - Method for precisely detecting oil-water interface by utilizing ultrasonic waves and auxiliary device thereof - Google Patents
Method for precisely detecting oil-water interface by utilizing ultrasonic waves and auxiliary device thereof Download PDFInfo
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- CN107036680B CN107036680B CN201710386732.2A CN201710386732A CN107036680B CN 107036680 B CN107036680 B CN 107036680B CN 201710386732 A CN201710386732 A CN 201710386732A CN 107036680 B CN107036680 B CN 107036680B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
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Abstract
The invention relates to the technical field of petrochemical industry, and provides a method and an auxiliary device for accurately detecting an oil-water interface by utilizing ultrasonic waves.
Description
Technical Field
The invention relates to the technical field of petrochemical industry, in particular to a method for precisely detecting an oil-water interface by utilizing ultrasonic waves and an auxiliary device thereof.
Background
In petrochemical industry oil storage tank water cutting system, utilize the ultrasonic wave to carry out the detection of oil water interface and have apparent advantage, but often meet two problems, firstly the oil is complicated, and the state at oil water interface is more complicated, and the ultrasonic sensor that uses judges has the degree of difficulty, and secondly because the tank body design of water cutting system is various, the design of some tank bodies is unfavorable for the reflection of ultrasonic wave. Therefore, a method for precisely detecting an oil-water interface using ultrasonic waves and an auxiliary device thereof are needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a method for precisely detecting an oil-water interface by utilizing ultrasonic waves and an auxiliary device thereof, solves the problem that the judgment of the oil-water interface is not precise enough, and has strong applicability.
Technical proposal
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the auxiliary device for precisely detecting the oil-water interface by utilizing ultrasonic waves comprises an oil-water separation device and a control box, wherein an ultrasonic signal reflecting plate is arranged on the inner top surface of the oil-water separation device, the upper end of the side wall of the oil-water separation device is communicated with a large oil tank through an oil-water mixing pipe, and a water pumping pipeline is arranged at the lower end of the side wall of the oil-water separation device; the oil-water mixing pipe is provided with a first electromagnetic valve, and the water pumping pipe is provided with a second electromagnetic valve; an ultrasonic probe is arranged outside the oil-water separation device, and the ultrasonic probe corresponds to and is arranged right below the ultrasonic signal reflecting plate; the control box is provided with a man-machine interaction device, the man-machine interaction device mainly comprises a man-machine interaction display screen, a control chip is arranged in the control box, and the control chip is electrically connected with the first electromagnetic valve and the second electromagnetic valve.
The method for detecting the oil-water interface by using the auxiliary device for precisely detecting the oil-water interface by utilizing ultrasonic waves comprises a precise detection program and a judgment algorithm, wherein the detection program comprises the following steps:
(1) Selecting a mode of setting a judging algorithm of the human-computer interaction device, wherein the mode comprises an algorithm automatic selection mode, a manual judging mode and a real-time monitoring working mode;
(2) After the mode is selected, the man-machine interaction device prompts to input corresponding operation commands according to the selected mode, and selects a proper judgment algorithm through the designated mode;
(3) The man-machine interaction device downloads the selected judgment algorithm or the combination of the judgment algorithms to the ultrasonic probe end in real time in a wireless transmission mode;
(4) The auxiliary device starts to operate after the step is finished, and the ultrasonic probe emits ultrasonic waves and receives signals returned by the ultrasonic signal reflecting plate;
(5) The ultrasonic probe end judges the type of the signal received by the ultrasonic probe according to the received judging algorithm or the judging algorithm combination;
(6) Outputting a result when the returned signal type accords with the calculation result of the judgment algorithm, if the returned signal type does not accord with the calculation result of the judgment algorithm, opening the first electromagnetic valve to spill oil or opening the second electromagnetic valve to drain water, and repeating the steps (4) - (6), and if the returned signal type accords with the calculation result of the judgment algorithm, controlling the second electromagnetic valve to drain water;
the judging algorithm comprises the following two steps:
(1) An operator can intuitively observe an ultrasonic echo signal on the display screen, and if the ultrasonic signal is too high or too low, the operator can correspondingly reduce or increase the intensity of ultrasonic excitation, control the amplitude of the ultrasonic echo signal and ensure that the amplitude of the ultrasonic signal is in a reasonable interval;
(2) According to the ultrasonic echo signals observed in real time by an operator, a plurality of groups of judgment signals are selected according to the signal-to-noise ratio of the ultrasonic echo signals, the operator sets a plurality of alarm gates according to the ultrasonic echo signals observed in real time, different alarm gates correspond to different oil contents, the judgment rule is downloaded to the ultrasonic probe end in a wireless mode by a man-machine interaction device, if the oil contents in the container are different, the ultrasonic probe end can detect different ultrasonic echoes, and then the corresponding output is subjected to more judgment signals, correspondingly, the oil-water separation system can select different rest time and drainage speed according to the different oil contents so as to achieve more accurate control of the oil contents in drainage.
Still further, the ultrasonic signal reflecting plate includes ultrasonic signal reflection mainboard and ultrasonic signal reflection auxiliary plate, ultrasonic signal reflection auxiliary plate spliced pole's length is greater than ultrasonic signal reflection mainboard spliced pole's length, spliced pole upper end is fixed at oil water separator's interior top surface.
Furthermore, the number of the auxiliary ultrasonic signal reflection plates is more than or equal to 1 and is an integer.
Still further, the automatic selection mode is: when ultrasonic signals transmitted and received by the ultrasonic probe are transmitted to the man-machine interaction display screen in a wireless transmission mode, the man-machine interaction device can automatically match the most suitable algorithm according to the built-in algorithm selection logic of the man-machine interaction device, then the man-machine interaction device downloads the ultrasonic signals to the ultrasonic probe end in a wireless mode, and the ultrasonic probe end judges the type of the signals received by the ultrasonic probe according to the received algorithm or algorithm combination.
Further, the second electromagnetic valve is a stepping electromagnetic valve, and the oil-water separation device is one of a large-scale petroleum tank, a different-type pipeline or a different-type tank
Further, the manual judgment mode is as follows: the ultrasonic probe is only responsible for collecting ultrasonic emission and reflected signals, oil-water judgment is not carried out, the oil-water signal judgment is carried out by a man-machine interaction device, the ultrasonic emission and reflected signals are displayed in real time by the man-machine interaction device, real-time manual judgment is carried out by an operator, the judgment result of the oil-water signal can be input to the man-machine interaction device in real time by the operator, the man-machine interaction device can download the received judgment result to the ultrasonic probe end in real time, the ultrasonic probe takes the received judgment result as the reference, and the judgment result is output so as to be used by a device at the next stage.
Furthermore, in the real-time monitoring working mode, the ultrasonic probe can simultaneously transmit the signals transmitted and reflected by the ultrasonic probe and the oil-water judging result to the man-machine interaction device in real time, an operator can observe the ultrasonic oil-water signal and the judging result of the oil-water signal on the machine interaction display screen in real time, if necessary, the operator can pause or change the oil-water judging result at any time, and the paused or changed result is downloaded to the ultrasonic probe end.
Furthermore, the ultrasonic probe can memorize the received oil-water interface judgment algorithm, and when the man-machine interaction device is not started, the ultrasonic probe can judge according to the oil-water interface judgment algorithm stored for the last time.
Furthermore, the man-machine interaction device and the ultrasonic probes can work in a networking mode, one man-machine interaction device can be connected with a plurality of ultrasonic probes at the same time, each man-machine interaction device and each ultrasonic probe are provided with a unique address code, and the man-machine interaction device can select the connected probes according to the address codes of the ultrasonic probes.
Advantageous effects
The invention provides a method for precisely detecting an oil-water interface by utilizing ultrasonic waves and an auxiliary device thereof, which have the following beneficial effects compared with the prior art:
1. the invention integrates the wireless data transceiver module on the ultrasonic probe, the signal data of the ultrasonic probe is remotely transmitted to the control terminal, the signal of the ultrasonic probe can be displayed on the control terminal in the form of dynamic graph, an operator can intuitively judge the signal characteristics of an oil-water interface, the judgment rule of oil-water separation is selected, then the judgment rule is remotely transmitted to the ultrasonic probe through a wireless signal, and then the ultrasonic probe judges the oil-water signal.
2. The ultrasonic signal reflecting plate is additionally arranged on the inner top surface of the oil-water separation device, so that the ultrasonic probe can be also suitable for a tank body without a regular reflecting surface, such as a special-shaped pipeline type oil-water separation device.
3. The invention has strong applicability and strong operability, can be suitable for various oil products and oil-water interface conditions, and can be suitable for various regular and irregular tank bodies.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an auxiliary device according to the present invention;
FIG. 2 is a flow chart diagram of the accurate detection procedure of the present invention;
FIG. 3 is a graph of ultrasonic echo signal undershoot in accordance with the present invention;
FIG. 4 is a graph of the amplitude of an ultrasonic signal returning to a reasonable interval after using a stronger excitation signal in the present invention;
FIG. 5 is a graph of the output signal of the present invention with a judgment gate;
FIG. 6 is a graph of the output signal when there are multiple judging gates according to the present invention;
reference numerals in the drawings represent respectively: an oil-water separation device 100; an oil-water mixing pipe 101; a large oil tank 102; a water extraction pipe 103; a first solenoid valve 104; a second electromagnetic valve 105; an ultrasonic probe 106; an ultrasonic signal reflection main board 107; the ultrasonic signal reflects off of secondary plate 108.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples:
the method for precisely detecting an oil-water interface by utilizing ultrasonic waves and the auxiliary device thereof comprise an oil-water separation device 100 and a control box, wherein an ultrasonic signal reflecting plate is arranged on the inner top surface of the oil-water separation device 100, the upper end of the side wall of the oil-water separation device 100 is communicated with a large-scale oil tank 102 through an oil-water mixing pipe 101, and a water pumping pipe 103 is arranged at the lower end of the side wall of the oil-water separation device 100; the oil-water mixing pipe 101 is provided with a first electromagnetic valve 104, and the water pumping pipe 103 is provided with a second electromagnetic valve 105; an ultrasonic probe 106 is arranged outside the oil-water separation device 100, and the ultrasonic probe 106 is correspondingly arranged right below the ultrasonic signal reflecting plate; the control box is provided with a man-machine interaction device which mainly comprises a man-machine interaction display screen, a control chip is arranged in the control box, and the control chip is electrically connected with the first electromagnetic valve 104 and the second electromagnetic valve 105; the ultrasonic signal reflecting plate comprises an ultrasonic signal reflecting main plate 107 and an ultrasonic signal reflecting auxiliary plate 108, the length of a connecting column of the ultrasonic signal reflecting auxiliary plate 108 is longer than that of a connecting column of the ultrasonic signal reflecting main plate 107, and the upper end of the connecting column is fixed on the inner top surface of the oil-water separation device 100; the number of the ultrasonic signal reflection auxiliary plates 108 is more than or equal to 1 and is an integer; the second electromagnetic valve 105 is a stepping electromagnetic valve, and the oil-water separation device 100 is one of a large-scale petroleum tank, a hetero-piping or a hetero-tank.
Working principle: when the ultrasonic probe 106 is used for detecting an oil-water interface, the position or the height of the oil-water interface can be accurately judged by arranging a plurality of ultrasonic signal reflecting plates with different lengths. Two ultrasonic-signal reflection plates, namely, an ultrasonic-signal reflection main plate 107 and an ultrasonic-signal reflection auxiliary plate 108 are provided as an example. Crude oil from a large oil tank 102 is mostly an oil-water mixture, and is placed still for layering after being injected into the oil-water separation device 100, an oil layer is placed on the upper water layer and the lower water layer, and an oil-water interface is placed between the oil layer and the water layer. When the oil-water interface is located below the ultrasonic signal reflection auxiliary plate 108, the ultrasonic probe 106 cannot receive the return signal; when the oil-water interface is located above the ultrasonic-signal-reflection auxiliary plate 108 and below the ultrasonic-signal-reflection main plate 107, the ultrasonic probe 106 corresponding to the ultrasonic-signal-reflection auxiliary plate 108 can receive the return signal of the ultrasonic-signal-reflection auxiliary plate 108; when the oil-water interface is located above the ultrasonic signal reflection main board 107, the ultrasonic signal reflection main board 107 and the ultrasonic signal reflection auxiliary board 108 can both receive the return signal.
The method for detecting the oil-water interface by using the auxiliary device for precisely detecting the oil-water interface by utilizing ultrasonic waves comprises a precise detection program and a judgment algorithm, wherein the detection program comprises the following steps:
(1) Selecting a mode of setting a judging algorithm of the human-computer interaction device, wherein the mode comprises an algorithm automatic selection mode, a manual judging mode and a real-time monitoring working mode;
(2) After the mode is selected, the man-machine interaction device prompts to input corresponding operation commands according to the selected mode, and selects a proper judgment algorithm through the designated mode;
(3) The man-machine interaction device downloads the selected judgment algorithm or the combination of the judgment algorithms to the ultrasonic probe end in real time in a wireless transmission mode;
(4) The auxiliary device starts to operate after the step (3) is finished, and the ultrasonic probe emits ultrasonic waves and receives signals returned by the ultrasonic signal reflecting plate;
(5) The ultrasonic probe end judges the type of the signal received by the ultrasonic probe according to the received judging algorithm or the judging algorithm combination;
(6) Outputting a result when the returned signal type accords with the calculation result of the judgment algorithm, if the returned signal type does not accord with the calculation result of the judgment algorithm, opening the first electromagnetic valve to spill oil or opening the second electromagnetic valve to drain water, and repeating the steps (4) - (6), and if the returned signal type accords with the calculation result of the judgment algorithm, controlling the second electromagnetic valve to drain water;
the judgment algorithm comprises the following two types:
(1) An operator can intuitively observe an ultrasonic echo signal on the display screen, and if the ultrasonic signal is too high or too low, the operator can correspondingly reduce or increase the intensity of ultrasonic excitation, control the amplitude of the ultrasonic echo signal and ensure that the amplitude of the ultrasonic signal is in a reasonable interval;
as shown in fig. 3, the figure of the ultrasonic echo signal is too low, the operator judges that the ultrasonic excitation signal is weak, and can adjust the control signal to make the ultrasonic probe use stronger excitation, the control signal is downloaded to the ultrasonic probe end by the man-machine interaction device in a wireless mode, and the ultrasonic probe end automatically selects the corresponding excitation signal according to the received control signal. Fig. 4 is a case where the amplitude of the ultrasonic signal is returned to a reasonable interval after using a stronger excitation signal.
(2) According to the ultrasonic echo signals observed in real time by an operator, a plurality of groups of judgment signals are selected according to the signal-to-noise ratio of the ultrasonic echo signals, the operator sets a plurality of alarm gates according to the ultrasonic echo signals observed in real time, different alarm gates correspond to different oil contents, the judgment rule is downloaded to the ultrasonic probe end in a wireless mode by a man-machine interaction device, if the oil contents in the container are different, the ultrasonic probe end can detect different ultrasonic echoes, and then the corresponding output is subjected to more judgment signals, correspondingly, the oil-water separation system can select different rest time and drainage speed according to the different oil contents so as to achieve more accurate control of the oil contents in drainage.
As shown in fig. 5, a conventional ultrasonic sensor for oil-water detection has a judging gate, and outputs a corresponding judging signal according to whether or not an ultrasonic signal exceeds the gate height. As shown in fig. 5, the system can set a plurality of alarm gates according to the ultrasonic echo signals observed in real time by an operator, different alarm gates correspond to different oil contents, the judgment rule is downloaded to the ultrasonic probe end by the man-machine interaction device in a wireless mode, if the oil contents in the container are different, the ultrasonic probe end can detect different ultrasonic echoes, then the corresponding output is subjected to more judgment signals, correspondingly, the oil-water separation system can select different rest time and drainage speed according to different oil contents so as to achieve the purpose of controlling the oil contents of the water cutting system more accurately.
The automatic selection mode is: when ultrasonic signals transmitted and received by the ultrasonic probe are transmitted to the man-machine interaction display screen in a wireless transmission mode, the man-machine interaction device can automatically match the most suitable algorithm according to the built-in algorithm selection logic of the man-machine interaction device, then the man-machine interaction device downloads the ultrasonic signals to the ultrasonic probe end in a wireless mode, and the ultrasonic probe end judges the type of the signals received by the ultrasonic probe according to the received algorithm or algorithm combination.
The manual judgment mode is as follows: the ultrasonic probe is only responsible for collecting ultrasonic emission and reflected signals, oil-water judgment is not carried out, the oil-water signal judgment is carried out by a man-machine interaction device, the ultrasonic emission and reflected signals are displayed in real time by the man-machine interaction device, real-time manual judgment is carried out by an operator, the judgment result of the oil-water signal can be input to the man-machine interaction device in real time by the operator, the man-machine interaction device can download the received judgment result to the ultrasonic probe end in real time, the ultrasonic probe takes the received judgment result as the reference, and the judgment result is output so as to be used by a device at the next stage.
In the real-time monitoring working mode, the ultrasonic probe can simultaneously transmit signals transmitted and reflected by the ultrasonic probe and oil-water judging results to the man-machine interaction device in real time, an operator can observe ultrasonic oil-water signals and judging results of the oil-water signals on the machine interaction display screen in real time, if necessary, the operator can pause or change the oil-water judging results at any time, and the paused or changed results are downloaded to the ultrasonic probe end.
The ultrasonic probe can memorize the received oil-water interface judging algorithm, and when the man-machine interaction device is not started, the ultrasonic probe can judge according to the oil-water interface judging algorithm stored for the last time.
The man-machine interaction device and the ultrasonic probes can work in a networking mode, one man-machine interaction device can be connected with a plurality of ultrasonic probes at the same time, each man-machine interaction device and each ultrasonic probe are provided with unique address codes, and the man-machine interaction device can select the connected probes according to the address codes of the ultrasonic probes.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. The method for detecting the oil-water interface by using the auxiliary device for precisely detecting the oil-water interface by utilizing ultrasonic waves is characterized by comprising an oil-water separation tank (100) and a control cabinet, wherein an ultrasonic signal reflecting plate is arranged on the inner top surface of the oil-water separation tank (100), the upper end of the side wall of the oil-water separation tank (100) is communicated with a large oil tank (102) through an oil-water mixing pipe (101), and a water pumping pipeline (103) is arranged at the lower end of the side wall of the oil-water separation tank (100); an S first electromagnetic valve (104) is arranged on the oil-water mixing pipe (101), and a second electromagnetic valve (105) is arranged on the water pumping pipe (103); an ultrasonic probe (106) is arranged on the bottom surface of the oil-water separation tank (100), and the ultrasonic probe (106) corresponds to and is arranged right below the ultrasonic signal reflecting plate; the control cabinet is provided with a man-machine interaction device, the man-machine interaction device mainly comprises a man-machine interaction display screen, a control chip is arranged in the control cabinet, and the control chip is electrically connected with the first electromagnetic valve (104) and the second electromagnetic valve (105);
the method also comprises an accurate detection program and a judgment algorithm, wherein the detection program comprises the following steps:
(1) Selecting a mode of setting a judging algorithm of the human-computer interaction device, wherein the mode comprises an algorithm automatic selection mode, a manual judging mode and a real-time monitoring working mode;
(2) After the mode is selected, the man-machine interaction device prompts to input corresponding operation commands according to the selected mode, and selects a proper judgment algorithm through the designated mode;
(3) The man-machine interaction device downloads the selected judgment algorithm or the combination of the judgment algorithms to the ultrasonic probe end in real time in a wireless transmission mode;
(4) The auxiliary device starts to operate after the step (3) is finished, and the ultrasonic probe emits ultrasonic waves and receives signals returned by the ultrasonic signal reflecting plate;
(5) The ultrasonic probe end judges the type of the signal received by the ultrasonic probe according to the received judging algorithm or the judging algorithm combination;
(6) Outputting a result when the returned signal type accords with the calculation result of the judgment algorithm, and if the returned signal type does not accord with the calculation result of the judgment algorithm, controlling to open the first electromagnetic valve to spill oil or open the second electromagnetic valve to drain water and repeating the steps (4) - (6);
the judging algorithm comprises the following two steps:
(1) An operator can intuitively observe an ultrasonic echo signal, and if the ultrasonic signal is too high or too low, the operator can correspondingly reduce or increase the intensity of ultrasonic excitation, control the amplitude of the ultrasonic echo signal and ensure that the amplitude of the ultrasonic signal is in a reasonable interval;
(2) According to the ultrasonic echo signals observed in real time by an operator, a plurality of groups of judgment signals are selected according to the signal-to-noise ratio of the ultrasonic echo signals, the operator sets a plurality of alarm gates according to the ultrasonic echo signals observed in real time, different alarm gates correspond to different oil contents, the judgment rule is downloaded to the ultrasonic probe end in a wireless mode by a man-machine interaction device, if the oil contents in a container are different, the ultrasonic probe end can detect different ultrasonic echoes, and then correspondingly outputs more judgment signals, correspondingly, an oil-water separation system can select different rest time and drainage speed according to the different oil contents so as to achieve the aim of controlling the oil contents of a water cutting system more accurately.
2. The method for detecting the oil-water interface by using the auxiliary device for precisely detecting the oil-water interface by utilizing the ultrasonic wave according to claim 1, wherein the ultrasonic signal reflecting plate comprises an ultrasonic signal reflecting main plate (107) and an ultrasonic signal reflecting auxiliary plate (108), and the length of the ultrasonic signal reflecting auxiliary plate (108) is larger than that of the ultrasonic signal reflecting main plate (107).
3. The method for detecting the oil-water interface by using the auxiliary device for precisely detecting the oil-water interface by utilizing the ultrasonic waves, wherein the number of the ultrasonic signal reflection auxiliary plates (108) is more than or equal to 1 and is an integer.
4. The method for detecting the oil-water interface by using the auxiliary device for precisely detecting the oil-water interface by using ultrasonic waves according to claim 1, wherein the automatic selection mode is as follows: when ultrasonic signals transmitted and received by the ultrasonic probe are sent to the man-machine interaction display screen in a wireless transmission mode, the man-machine interaction device can automatically match the most suitable algorithm according to the built-in algorithm selection logic of the man-machine interaction device, then the man-machine interaction device downloads the ultrasonic signals to the ultrasonic probe end in a wireless mode, and the ultrasonic probe end judges the type of the signals received by the ultrasonic probe according to the received algorithm or algorithm combination.
5. The method for detecting the oil-water interface by using the auxiliary device for precisely detecting the oil-water interface by using the ultrasonic wave according to claim 1, wherein the manual judgment mode is as follows: the ultrasonic probe is only responsible for collecting ultrasonic emission and reflected signals, oil-water judgment is not carried out, the oil-water signal judgment is carried out by a man-machine interaction device, the ultrasonic emission and reflected signals are displayed in real time by the man-machine interaction device, real-time manual judgment is carried out by an operator, the judgment result of the oil-water signal can be input to the man-machine interaction device in real time by the operator, the man-machine interaction device can download the received judgment result to the ultrasonic probe end in real time, the ultrasonic probe takes the received judgment result as the reference, and the judgment result is output so as to be used by a device at the next stage.
6. The method for detecting the oil-water interface by using the auxiliary device for precisely detecting the oil-water interface by utilizing the ultrasonic waves, according to the method for detecting the oil-water interface by utilizing the auxiliary device for precisely detecting the oil-water interface by utilizing the ultrasonic waves, wherein in the real-time monitoring working mode, the ultrasonic probe can simultaneously transmit signals emitted and reflected by the ultrasonic probe and the oil-water judging result to the man-machine interaction device in real time, an operator can observe the ultrasonic oil-water signal and the judging result of the oil-water signal on the man-machine interaction display screen in real time, if the operator is required, the operator can pause or change the oil-water judging result at any time, and the paused or changed result is downloaded to the ultrasonic probe end.
7. The method for detecting the oil-water interface by using the auxiliary device for precisely detecting the oil-water interface by using the ultrasonic wave according to claim 1, wherein the ultrasonic probe can memorize the received oil-water interface judging algorithm, and when the man-machine interaction device is not started, the ultrasonic probe can judge according to the oil-water interface judging algorithm stored last time.
8. The method for detecting the oil-water interface by using the auxiliary device for precisely detecting the oil-water interface by using the ultrasonic waves, according to the claim 1, the man-machine interaction device and the ultrasonic probes can work in a networking mode, one man-machine interaction device can be connected with a plurality of ultrasonic probes at the same time, each man-machine interaction device and each ultrasonic probe have unique address codes, and the man-machine interaction device can select the connected probes according to the address codes of the ultrasonic probes.
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| CN112034038A (en) * | 2020-08-31 | 2020-12-04 | 北京同创新明科技有限责任公司 | Storage tank water content detection system and control method thereof |
| CN113970594A (en) * | 2021-10-26 | 2022-01-25 | 北京锐达仪表有限公司 | Ultrasonic array energy synthesis probe interface measuring system |
| CN114534317B (en) * | 2022-02-22 | 2023-06-16 | 海南海嘉惠科技有限公司 | Real-time feedback segmentation method for multi-frequency microwave detection of laminar oil-water two-phase flow |
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