CN109341819A - Self-correction ultrasonic measuring device and its measurement method - Google Patents
Self-correction ultrasonic measuring device and its measurement method Download PDFInfo
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- CN109341819A CN109341819A CN201811277247.2A CN201811277247A CN109341819A CN 109341819 A CN109341819 A CN 109341819A CN 201811277247 A CN201811277247 A CN 201811277247A CN 109341819 A CN109341819 A CN 109341819A
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- 238000012937 correction Methods 0.000 title claims abstract description 33
- 238000000691 measurement method Methods 0.000 title claims abstract description 11
- 238000005259 measurement Methods 0.000 claims abstract description 144
- 239000000463 material Substances 0.000 claims abstract description 60
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000033001 locomotion Effects 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 6
- 238000002604 ultrasonography Methods 0.000 claims description 6
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
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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
- G01F23/296—Acoustic waves
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- Thermal Sciences (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The present invention relates to mechanical level meter fields, disclose a kind of self-correction ultrasonic measuring device and its measurement method, in this method, when driving part driving calibration blade and/or the rotation of ultrasonic measurement component or movement, the location information for the calibration blade that arithmetic processor is provided according to pre-set programs and/or position detection component, ultrasonic wave revise signal when calibration blade is located in its measuring route is obtained from the transmitting of ultrasonic measurement component and/or received signal, and runs generation measurement amendment data；When material level to be measured is when in the measuring route of ultrasonic measurement component, ultrasonic signal is surveyed in acquisition；Arithmetic processor generates and/or corrects again the Realtime Level of material to be measured according to measurement amendment data and actual measurement ultrasonic signal.Compared with prior art, the measurement method of the present apparatus enables to the Realtime Level of material to be measured that can continuously be corrected, to effectively promote the accuracy of present apparatus measurement material position.
Description
Technical field
The present invention relates to mechanical level meter field, in particular to a kind of self-correction ultrasonic measuring device and its measurement side
Method.
Background technique
Ultrasonic material level detection unit is widely used the every field of industry with life, is a kind of measurement dress with a relatively high cost performance
It sets.Ultrasonic material level detection unit is to calculate distance according to ultrasonic acoustic wave flight time and spread speed in the medium in the medium
's.But since the speed difference that sound is propagated in different media is very big, all different media are propagated, it is desirable to provide no
Same medium spread speed.
In the case where constant for measurement environment, ultrasonic material level detection unit measurement is accurately and reliably.But in practice
In the process, since the indefinite variation of dielectric attribute in measurement environment, such as density, medium are constituted, cause medium not expectable, sound
Sound spread speed is not expectable.For example, due to air environment temperature change, air density change leads to measurement inaccuracy.Especially
When being that ultrasonic wave level measurement applies to water sludge interface measurement, since muddy water intermediary texture is very big at changing, cause measurement quasi-
True property considerable decrease.Water sludge interface ultrasonic measurement is always pendent problem.
And for the amendment scheme of current publicity.As patent CN201720337702.8 " calibrate automatically by a kind of flying speed
Ultrasonic material level meter " publicity technical solution for, the first transducer and second being built in hollow pipe using two are changed
Energy device specially measures the ultrasonic wave flight time, provides the scheme of amendment data.
Disadvantage is:
1, at high cost, in order to realize amendment, need to configure 2 ultrasonic transducers；
2, variant on the measuring location with main ultrasound quantity sensor, since environmental difference is big, correction effect is poor；
3, bad adaptability.Above-mentioned technical proposal can only apply in the quite gentle air environment of environment measure, and for muddy water
Such rugged environments such as mixing, can not normal use；
4, the corrective hardware feature different from main measurement ultrasonic sensor, causes amendment mistake occur.Either main survey
Ultrasonic sensor performance drift or corrective performance drift are measured, all can not accurately be corrected.
Summary of the invention
Goal of the invention: aiming at the problems existing in the prior art, the present invention provides a kind of self-correction ultrasonic measuring device
And its measurement method, it is repaired by being interrupted the measurement that the verification blade occurred is got in the measuring route of ultrasonic measurement component
Correction data voluntarily corrects the measurement result of ultrasonic measurement component.
Technical solution: the present invention provides a kind of self-correction ultrasonic measuring devices, including ultrasonic measurement component, fortune
Calculate processor, calibration blade, driving part, the calibration blade be arranged in the measurement range of the ultrasonic measurement component and
Therebetween there is default spacing, the ultrasonic measurement component is connect with the arithmetic processor signal, the driving part
For driving the calibration blade and/or the ultrasonic measurement component to rotate or movement.
Further, the self-correction ultrasonic measuring device also includes damping detection part, the damping test section
Part and the calibration blade physical connection, and connect with the arithmetic processor signal；When the rotation or shifting of the calibration blade
Dynamic when being prevented from, the damping detection part is used to the rotation of the calibration blade or the mobile signal being prevented from being sent to institute
State arithmetic processor.When material to be measured rises to calibration leaf position, and calibrating the blocked rotation of blade can not move, damping inspection
Alarm signal can be issued to arithmetic processor by surveying component, further to ensure the accuracy and reliability of level measurement.
Preferably, the ultrasonic measurement component is passed by the first ultrasonic wave connecting respectively with the arithmetic processor signal
Sensor and the second ultrasonic sensor composition；The driving part is for driving the calibration blade to rotate or move, and described the
The ultrasonic wave revise signal is sent to described by one ultrasonic sensor in real time for receiving the ultrasonic wave revise signal
Arithmetic processor, second ultrasonic sensor actual measurement ultrasonic signal for transmitting and receiving, and by the actual measurement
Ultrasonic signal is sent to the arithmetic processor in real time.Ultrasonic measurement component is by the first ultrasonic sensor and the second ultrasound
Wave sensor composition, the two are respectively used to emit and receive the ultrasonic wave revise signal of calibration blade and the actual measurement of material to be measured
Ultrasonic signal is shared out the work and help one another, and the measurement efficiency of the present apparatus is effectively promoted.
Further, the measurement amendment data obtain in the following manner: the arithmetic processor is first according to
Ultrasonic wave revise signal operation obtains the ultrasonic measurement component and corrects needed for wave signal from the reception ultrasound is emitted to
Correction time transports further according to the default spacing between the correction time and the calibration blade and the ultrasonic measurement component
It calculates and obtains the propagation amendment rate of the ultrasonic wave revise signal, the propagation amendment rate is the measurement amendment data.
Preferably, the material position of the material to be measured obtains in the following manner: the arithmetic processor is first real-time according to it
It is ultrasonic from the reception actual measurement is emitted to that the actual measurement ultrasonic signal operation received obtains the ultrasonic measurement component
Measured time needed for wave signal obtains the material to be measured further according to the measured time and propagation amendment rate operation
Realtime Level.
Further, the self-correction ultrasonic measuring device further includes position detection component, the position detection part
Part is connect with the arithmetic processor signal, for the calibration blade to be located to the measuring route of the ultrasonic measurement component
On location information be sent to the arithmetic processor.
Further, the self-correction ultrasonic measuring device further includes anti-interference mechanism, and the anti-interference mechanism is set
It sets in the calibration blade surrounding.It is preferable to use the covers that one covers on calibration blade exterior for anti-interference mechanism, to prevent from calibrating
Blade interferes rotation by the sundries in ambient enviroment, influences to verify accuracy.
The present invention also provides a kind of measurement method of self-correction ultrasonic measuring device, described in the driving part driving
When calibrating blade and/or ultrasonic measurement component rotation or movement, the arithmetic processor is according to pre-set programs and/or institute
The location information for stating the calibration blade of the position detection component offer of calibration blade, emits from the ultrasonic measurement component
And/or ultrasonic signal of calibration blade when being located in its measuring route is obtained in received signal, and by the ultrasonic wave
Signal is run as ultrasonic wave revise signal generates measurement amendment data；When material level to be measured is in the ultrasonic measurement component
When in measuring route, the ultrasonic measurement component is emitted and received actual measurement ultrasonic signal is sent to the fortune in real time
Calculate processor；The arithmetic processor corrects data according to the measurement again and the actual measurement ultrasonic signal is generated and/or repaired
The Realtime Level of material just to be measured.
Preferably, the material position of the material to be measured obtains in the following manner: the arithmetic processor is first real-time according to it
It is ultrasonic from the reception actual measurement is emitted to that the actual measurement ultrasonic signal operation received obtains the ultrasonic measurement component
Measured time needed for wave signal obtains the material to be measured further according to the measured time and propagation amendment rate operation
Realtime Level.
Preferably, when the calibration blade is rotated or is moved in the measuring route of first ultrasonic sensor,
First ultrasonic sensor can be emitted and received ultrasonic wave revise signal is sent to the calculation process in real time
Device, the arithmetic processor are used to the ultrasonic wave revise signal calculation process correcting data at the measurement；Work as determinand
When in the measuring route of second ultrasonic sensor, second ultrasonic sensor can be emitted and be connect material position
The actual measurement ultrasonic signal of receipts is sent to the arithmetic processor in real time, and the arithmetic processor is used to correct by the measurement
Data and the actual measurement ultrasonic signal operation obtain the Realtime Level of the material to be measured.
The utility model has the advantages that when being measured at present using ultrasonic measurement component to the material position of material to be measured, due to ultrasonic wave
Air or other media between measuring part and material to be measured etc. will receive the influence of ambient enviroment, and ultrasonic signal is caused to exist
When transmitting in this certain media, the rate of different moments will not be identical, if the rate of ultrasonic wave is measured as one
The material position of material to be measured is calculated, measurement inaccuracy certainly will be will lead to；And in the apparatus of the present, in ultrasound
Setting calibration blade between component and material to be measured is measured, when calibration blade is located in the measuring route of ultrasonic measurement component,
Ultrasonic measurement component can get the ultrasonic wave revise signal for carrying out self calibration blade, and then can be corrected by the ultrasonic wave
Signal operation obtains measurement amendment data (i.e. the propagation amendment rate of ultrasonic wave)；When material level to be measured is in ultrasonic measurement component
Measuring route on when, ultrasonic measurement component can get the actual measurement ultrasonic signal from material to be measured, according to the reality
It surveys ultrasonic signal and above-mentioned measurement amendment data can be obtained the Realtime Level of material to be measured；Since calibration blade is relatively super
Acoustic measurement component is rotating always, and calibration blade and material to be measured are alternately located in the measuring route of ultrasonic measurement component,
So data are corrected in the measurement that the rotation for calibrating blade enables to arithmetic processor that can continuously acquire at that time, and then make
The Realtime Level for obtaining material to be measured can be corrected continuously, to effectively promote the accuracy of present apparatus measurement material position.
In addition, the rotary motion for calibrating blade can produce edge when the rotation of calibration blade, ultrasonic measurement component are static
The motive force of measurement direction blows away obstruction and suspended material (such as in water sludge interface measurement) in measuring route, mentions
Rise measurement effect；When the rotation of ultrasonic measurement component, calibration blade are static, the present apparatus can measure the multiple positions of material to be measured
The material position data set, material position information are more abundant.
Detailed description of the invention
Fig. 1 is the measuring state schematic diagram of self-correction ultrasonic measuring device in embodiment 1；
Fig. 2 is the structural schematic diagram of self-correction ultrasonic measuring device in embodiment 2；
Fig. 3 is the structural schematic diagram of self-correction ultrasonic measuring device in embodiment 3；
Fig. 4 is the structural schematic diagram of self-correction ultrasonic measuring device in embodiment 4；
Fig. 5 is the structural schematic diagram of self-correction ultrasonic measuring device in embodiment 5.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing.
Embodiment 1:
Present embodiments provide for a kind of self-correction ultrasonic measuring device and its measurement method, present apparatus structure as shown in Figure 1,
It is mainly made of ultrasonic measurement component 1, arithmetic processor 2, calibration blade 3 and driving part 4, the calibration setting of blade 3 is super
Have in the measurement range of acoustic measurement component 1 and therebetween and presets spacing, ultrasonic measurement component 1 and arithmetic processor 2
Signal connection, driving part 4 is for driving calibration blade 3 to rotate；Anti-interference mechanism 7 is also set up outside calibration blade 3, is resisted dry
Disturbing mechanism 7, it is preferable to use shields, prevent the rotation of calibration 3 surrounding sundries interference calibration blade 3 of blade.
If being measured using the present apparatus to water-bed mud layer material position, then the present apparatus is integrally placed in water, calibrates leaf
Piece 3 is between ultrasonic measurement component 1 and mud layer upper surface, the measuring route of ultrasonic measurement component 1 and mud layer upper surface
Vertically, calibration blade 3 is located at the underface of ultrasonic measurement component 1；In measurement, start driving part 4, driving part 4 drives
Dynamic calibration blade 3 rotates, and arithmetic processor 2 judges when calibration blade 3 rotates to ultrasonic measurement portion according to preset program
In the measuring route of part 1, and when calibration blade 3 rotates in the measuring route of ultrasonic measurement component 1, obtain ultrasonic at this time
The ultrasonic wave revise signal (ultrasonic signal that calibration blade 3 reflects) that wave measurement component 1 emits or receives, additionally it is possible to obtain
To ultrasonic measurement component 1 from the correction time required for receiving the ultrasonic wave revise signal is emitted to, then repaired according to this
Spacing between positive time and ultrasonic measurement component 1 and calibration blade 3 can calculate ultrasonic wave amendment at this time and believe
Number propagation correct rate, the propagation correct rate be measure amendment data；Then calibration blade 3 continues to rotate, and calibrates leaf
Piece 3 rotates out of the measuring route of ultrasonic measurement component 1, to be measured below calibration blade 3 without the blocking of calibration blade 3
Material is in naturally in the measuring route of ultrasonic measurement component 1, at this point, arithmetic processor 2 according to preset program judge to
It surveys material to be located in the measuring route of ultrasonic measurement component 1, emits and connect so as to obtain ultrasonic measurement component 1 at this time
The actual measurement ultrasonic signal (ultrasonic signal of material reflection to be measured) of receipts, additionally it is possible to get ultrasonic measurement component 1 from hair
It is mapped to the measured time required for receiving the actual measurement ultrasonic signal, then arithmetic processor 2 is corrected further according to above-mentioned propagation
The Realtime Level of material to be measured is calculated in rate and measured time.
Above-mentioned calibration blade 3 can also be served as by a transducer element；Above-mentioned ultrasonic measurement component 1 can be
The component of one ultrasonic signal transceiver is also possible to the isolated component of transmitting-receiving.
Embodiment 2:
Present embodiment is that embodiment 1 is roughly the same, and difference is: in the embodiment 1, driving part 4 is for driving school
Quasi- blade 3 rotates, and ultrasonic measurement component 1 is stationary, and the rotary motion of calibration blade 3 can produce pushing away along measurement direction
Power blows away obstruction and suspended material in measuring route, promotes measurement effect；And in the present embodiment, driving portion
Part 4 is not intended to driving calibration blade 3 and rotates, but for driving ultrasonic measurement component 1 to rotate, such as Fig. 2, at this point, calibration
Blade 3 is stationary, is not necessarily to anti-interference mechanism 7；In this way, the present apparatus equally not only may be implemented it is identical with embodiment 1
Calibration and measurement function, and the material position data of the multiple positions of material to be measured can be measured, material position information is more abundant.
In addition to this, present embodiment is identical with embodiment 1, is not repeated herein.
Embodiment 3:
Present embodiment is that embodiment 1 is roughly the same, and difference is: in the embodiment 1, calibrating blade 3 and material to be measured
Obtained when being located in the measuring route of ultrasonic measurement component 1 by program preset in arithmetic processor 2, and in this reality
It applies in mode, is installation site detection part 6 in a device, such as Fig. 3, which is used for 3, testing calibration blade
It sets and whether is located in 1 measuring route of ultrasonic measurement component, and calibration blade 3 is located at the location information in measuring route and is sent
It was exactly at that time if arithmetic processor 2 is not received by the location information of the transmission of position detection component 6 to arithmetic processor 2
Material level to be measured is in the measuring route of ultrasonic measurement component 1；Then arithmetic processor 2 can by with embodiment 1
In identical mode get ultrasonic wave revise signal and actual measurement ultrasonic signal.
In addition to this, present embodiment is identical with embodiment 1, is not repeated herein.
Embodiment 4:
Present embodiment is the further improvement of embodiment 3, and difference is: in embodiment 3, if calibration 3 quilt of blade
Because around the effect blocked rotation of sundries or material to be measured rise to behind the position of calibration blade 3 calibrate the rotation of blade 3 by
When resistance can not move, that is, it cannot achieve the effect of verification and measurement；And in the present embodiment, such as Fig. 4, also set up in a device
With calibration 3 physical connection of blade, and the damping detection part 5 connect with 2 signal of arithmetic processor, when the rotation for calibrating blade 3
Or it is mobile when being prevented from, rotation or the mobile signal that is prevented from of the damping detection part 5 for that will calibrate blade 3 are sent to operation
Processor 2, or directly warning note staff are handled in time, further to ensure the accuracy of level measurement and reliable
Property.
In addition to this, present embodiment is identical with embodiment 3, is not repeated herein.
Embodiment 5:
Present embodiment is the further improvement of embodiment 4, and difference is: in embodiment 4, ultrasonic measurement component 1
The ultrasonic sensor of only one transmitting or received ultrasonic signal is located at the survey of ultrasonic measurement component 1 in calibration blade 3
When measuring on path, material just not in the measuring route, when material is in measuring route, calibrates blade just not on the measurement road
On diameter, so, at a time arithmetic processor 2 can only receive a ultrasonic signal of ultrasonic measurement component 1, this
Ultrasonic signal otherwise be ultrasonic wave revise signal or be actual measurement ultrasonic signal, only transported after two signals all receive
Calculating processor 2 finally operation could obtain the Realtime Level of material to be measured, must can reduce the working efficiency of the present apparatus in this way.
And in the present embodiment, such as Fig. 5, by ultrasonic measurement component 1 be designed to by respectively with 2 signal of arithmetic processor
First ultrasonic sensor 101 of connection and the second ultrasonic sensor 102 composition；Driving part driving calibration blade 3 rotates,
When calibration blade 3 rotates in the measuring route of the first ultrasonic sensor 101, the first ultrasonic sensor 101 can be incited somebody to action
It emits and received ultrasonic wave revise signal is sent to arithmetic processor 2 in real time, and arithmetic processor 2 is by ultrasonic wave revise signal
Calculation process corrects data at measurement；When material level to be measured is when in the measuring route of the second ultrasonic sensor 102, the second surpass
Sonic sensor 102 can be emitted and received actual measurement ultrasonic signal is sent to arithmetic processor 2, calculation process in real time
Device 2 corrects data by above-mentioned measurement again and actual measurement ultrasonic signal operation obtains the Realtime Level of material to be measured.Two ultrasounds
Wave sensor is shared out the work and help one another, and the measurement efficiency of the present apparatus can be effectively promoted.
In addition to this, present embodiment is identical with embodiment 4, is not repeated herein.
The technical concepts and features of the respective embodiments described above only to illustrate the invention, its object is to allow be familiar with technique
People can understand the content of the present invention and implement it accordingly, it is not intended to limit the scope of the present invention.It is all according to this hair
The equivalent transformation or modification that bright Spirit Essence is done, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of self-correction ultrasonic measuring device, which is characterized in that including ultrasonic measurement component (1), arithmetic processor
(2), blade (3), driving part (4), measurement of calibration blade (3) setting in the ultrasonic measurement component (1) are calibrated
Have in range and therebetween and preset spacing, the ultrasonic measurement component (1) and the arithmetic processor (2) signal connect
It connects, the driving part (4) is for driving the calibration blade (3) and/or the ultrasonic measurement component (1) to rotate or move
It is dynamic.
2. self-correction ultrasonic measuring device according to claim 1, which is characterized in that also comprising damping detection part
(5), the damping detection part (5) and calibration blade (3) physical connection, and connect with the arithmetic processor (2) signal
It connects；When the rotation of calibration blade (3) or movement are prevented from, the damping detection part (5) is used for the calibration leaf
The rotation of piece (3) or the mobile signal being prevented from are sent to the arithmetic processor (2).
3. self-correction ultrasonic measuring device according to claim 1, which is characterized in that the ultrasonic measurement component
(1) the first ultrasonic sensor (101) and the second ultrasonic sensor by being connect respectively with the arithmetic processor (2) signal
(102) it forms；The driving part (4) is for driving calibration blade (3) rotation or mobile, first supersonic sensing
The ultrasonic wave revise signal is sent at the operation by device (101) in real time for receiving the ultrasonic wave revise signal
It manages device (2), second ultrasonic sensor (102) the actual measurement ultrasonic signal for transmitting and receiving, and by the reality
It surveys ultrasonic signal and is sent to the arithmetic processor (2) in real time.
4. self-correction ultrasonic measuring device according to any one of claim 1 to 3, which is characterized in that further include position
It sets detection part (6), the position detection component (6) connect with the arithmetic processor (2) signal, is used for the calibration leaf
The location information that piece (3) is located in the measuring route of the ultrasonic measurement component (1) is sent to the arithmetic processor (2).
5. self-correction ultrasonic measuring device according to any one of claim 1 to 3, which is characterized in that further include resisting
Interference mechanism (7), the anti-interference mechanism (7) are arranged in calibration blade (3) surrounding.
6. a kind of measurement method of the self-correction ultrasonic measuring device as described in any one of claims 1 to 5, feature exist
In, when the driving part (4) drives the calibration blade (3) and/or the ultrasonic measurement component (1) rotation or movement,
The calibration that the arithmetic processor (2) provides according to the position detection component of pre-set programs and/or calibration blade (3)
The location information of blade (3) obtains the calibration leaf from the ultrasonic measurement component (1) transmitting and/or received signal
Ultrasonic signal when piece (3) is located in its measuring route, and the ultrasonic signal is run as ultrasonic wave revise signal and is given birth to
Data are corrected at measurement；
When material level to be measured is when in the measuring route of the ultrasonic measurement component (1), the ultrasonic measurement component (1) will
It emits and received actual measurement ultrasonic signal is sent to the arithmetic processor (2) in real time；The arithmetic processor (2) again according to
The Realtime Level of material to be measured is generated and/or corrected according to the measurement amendment data and the actual measurement ultrasonic signal.
7. the measurement method of self-correction ultrasonic measuring device according to claim 6, which is characterized in that the measurement is repaired
Correction data obtains in the following manner:
The arithmetic processor (2) obtains the ultrasonic measurement component (1) according to the ultrasonic wave revise signal operation first
The correction time needed for the ultrasound corrects wave signal is received from being emitted to, further according to the correction time and the calibration blade
(3) the default spacing operation between the ultrasonic measurement component (1) obtains the propagation amendment of the ultrasonic wave revise signal
Rate, the propagation amendment rate are the measurement amendment data.
8. the measurement method of self-correction ultrasonic measuring device according to claim 6, which is characterized in that the determinand
The material position of material obtains in the following manner:
The arithmetic processor (2) first obtains the ultrasonic wave according to the actual measurement ultrasonic signal operation that it is received in real time
Measuring part (1) from be emitted to receive the actual measurement ultrasonic signal needed for the measured time, further according to the measured time with
The propagation amendment rate operation obtains the Realtime Level of the material to be measured.
9. the measurement method of self-correction ultrasonic measuring device according to claim 6, which is characterized in that when the calibration
When blade (3) rotates or is moved in the measuring route of first ultrasonic sensor (101), first supersonic sensing
Device (101) can be emitted and received ultrasonic wave revise signal is sent to the arithmetic processor (2), the operation in real time
Processor (2) is used to the ultrasonic wave revise signal calculation process correcting data at the measurement；When material level to be measured is in institute
When stating in the measuring route of the second ultrasonic sensor (102), second ultrasonic sensor (102) can be emitted and
Received actual measurement ultrasonic signal is sent to the arithmetic processor (2) in real time, and the arithmetic processor (2) is used for by described
Measurement amendment data and the actual measurement ultrasonic signal operation obtain the Realtime Level of the material to be measured.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111380595A (en) * | 2020-03-29 | 2020-07-07 | 华中科技大学 | Salt cavern gas storage gas-liquid interface measuring method and system based on sound velocity difference |
| CN112284492A (en) * | 2020-09-24 | 2021-01-29 | 江苏大学 | Ultrasonic water level detection method and device for aquaculture with fault self-diagnosis function |
| CN113570168A (en) * | 2021-09-22 | 2021-10-29 | 矿冶科技集团有限公司 | Material level correction method and device and electronic equipment |
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