CN106932055A - A kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system - Google Patents
A kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system Download PDFInfo
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- CN106932055A CN106932055A CN201710271217.XA CN201710271217A CN106932055A CN 106932055 A CN106932055 A CN 106932055A CN 201710271217 A CN201710271217 A CN 201710271217A CN 106932055 A CN106932055 A CN 106932055A
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- monitoring system
- high precision
- power supply
- container
- ultrasonic
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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
- G01F23/2962—Measuring transit time of reflected waves
-
- 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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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses the High Precision Automatic sampling calibration ultrasonic solution level monitoring system of one kind, including ultrasonic probe, transmitter, power supply unit, container and server platform, the ultrasonic probe includes that sampling probe and monitoring are popped one's head in, the transmitter is by sensor drive driving circuit, signal processing circuit, wireless communication module, locating module, output interface circuit, power supply management circuit, singlechip group into the power supply unit includes external direct current power supply and reserve battery.The High Precision Automatic sampling calibration ultrasonic solution level monitoring system, use outer patch non-contact type ultrasonic e measurement technology, when liquid changes in factors such as different temperatures, air pressure, containers, can calibrate to ensure the high-acruracy survey of liquid level automatically, when the liquid of different densities is measured, solve poor compatibility, demarcation mode is difficult, the low problem of certainty of measurement, while using wireless technology and location technology, liquid level data wireless penetration is realized, monitor in real time is pinpointed.
Description
Technical field
The present invention relates to supersonic liquid level detection field, and in particular to a kind of High Precision Automatic sampling calibration supersonic liquid level
Monitoring system.
Background technology
The technology of liquid level is all relatively backward in traditional measurement container on the market at present, liquid level in non-contact technology measurement container
It is widely accepted.It is non-using ultrasonic wave outer patch as requirement of the market to properties of product and stability is constantly being improved
The mode of contact, the state to liquid level in container carries out real-time high-precision monitoring, has the advantage and not of uniqueness in various fields
Alternative effect.
The method that current supersonic technique scheme improves measurement level accuracy, generally using temperature-compensating mode；Pin
Liquid to measuring different densities, the method for taking periodic calibrating precision one by one.Such as notification number is CN203502085U China
A kind of disclosed ultrasonic wave oil mass detector of invention, including data processor and ultrasonic wave fuel-quantity transducer probe, the number
Popped one's head according to processor and ultrasonic wave fuel-quantity transducer and communicated to connect；The data processor includes MCU control circuit and and MCU
The power circuit of control circuit connection；The data processor also includes ultrasonic acquisition circuit and temperature collection circuit, the hair
It is bright oil mass in fuel tank highly to be measured, by outputting standard electric signal after processing of circuit；Ultrasonic sensor outer patch
In tank bottoms, to oil mass real-time detection by not contacted with oil；The oil mass monitoring for being widely used in various types of vehicles can also be right
Ship, generating set, the oil level of the fuel tank of apparatus of the internal-combustion engine is accurately monitored in real time, can combine GPS/GPRS mechanicss of communication,
By computer software management platform, realize scientific management, but current technology have the shortcomings that it is following：
1st, because liquid is influenceed by factors such as temperature, air pressure, container material qualities, temperature-compensating mode can not meet high-precision
Measurement.
2nd, for the liquid measure of different densities, there is poor compatibility, demarcate mode hardly possible, the low problem of certainty of measurement.
The content of the invention
The technical problem to be solved in the present invention is the defect for overcoming prior art, there is provided a kind of High Precision Automatic sampling calibration
Ultrasonic solution level monitoring system.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：A kind of High Precision Automatic sampling school
Quasi- ultrasonic solution level monitoring system, including ultrasonic probe, transmitter, power supply unit, container and server platform, the ultrasound
Ripple probe includes that sampling probe and monitoring are popped one's head in, and the transmitter is by sensor drive driving circuit, signal processing circuit, radio communication
Module, locating module, output interface circuit, power supply management circuit, singlechip group are into the power supply unit includes external direct current
Source and reserve battery, the server platform include hand-held receiving device and remote monitoring cloud platform.
Preferably, the interface of the output interface circuit includes RS232, RS485,4-20mA, analog voltage output.
Preferably, the container is to store the container such as various metals, plastics, glass and high temperature of liquid, high-pressure sealed
Container.
Preferably, the liquid includes various You poisonous substances Zhi ﹑ Qiang Suan ﹑ highly basic, oil, water and various liquid.
Preferably, the ultrasonic probe mounting means includes that vertical cylinder container mounting means, irregular container are installed
Mode, horizontal vessel mounting means and ball container mounting means.
The beneficial effect that is reached of the present invention is：
1st, using outer patch non-contact type ultrasonic e measurement technology, when liquid occurs in factors such as different temperatures, air pressure, containers
During change, can calibrate to ensure the high-acruracy survey of liquid level automatically.
2nd, using outer patch non-contact type ultrasonic e measurement technology, when the liquid of different densities is measured, compatibility is solved
Difference, demarcates mode hardly possible, the low problem of certainty of measurement.
3rd, using wireless technology and location technology, liquid level data wireless penetration is realized, pinpoints monitor in real time.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, with reality of the invention
Applying example is used to explain the present invention together, is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system operation principle schematic diagram of the invention；
Fig. 2 is a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system dual probe high-acruracy survey skill of the invention
Art principle schematic；
Fig. 3 is that horizontal vessel installation is illustrated during ultrasonic solution level monitoring system is calibrated in a kind of High Precision Automatic sampling of the invention
Figure；
Fig. 4 is that a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system ball type container installation of the invention is illustrated
Figure；
Fig. 5 is vertical cylinder container installation in a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system of the invention
Schematic diagram；
Fig. 6 is that irregular container installation is shown during ultrasonic solution level monitoring system is calibrated in a kind of High Precision Automatic sampling of the present invention
It is intended to；
Specific embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that preferred reality described herein
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment 1
As shown in figs 1 to 6, a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system of the present embodiment, including
Ultrasonic probe, transmitter, power supply unit, container and server platform, the ultrasonic probe include sampling probe and monitoring
Probe, the transmitter is by sensor drive driving circuit, signal processing circuit, wireless communication module, locating module, output interface electricity
Road, power supply management circuit, singlechip group are into the power supply unit includes external direct current power supply and reserve battery, the server
Platform includes hand-held receiving device and remote monitoring cloud platform.
The interface of the output interface circuit includes RS232, RS485,4-20mA, analog voltage output；The container is
Store container and high temperature, the high-pressure closed vessels such as various metals, plastics, the glass of liquid；The liquid includes various poisonous
Wu Zhi ﹑ Qiang Suan ﹑ highly basic, oil, water and various liquid；The sampling probe is used to be sampled calibration to the liquid in container；Institute
Monitoring probe is stated for carrying out real-time monitoring to the liquid height in container；The sensor drive driving circuit is used to drive sampling to visit
Head and monitoring probe work；The signal processing circuit is used for the faint analog-signal transitions of sensor as that can be known by single-chip microcomputer
Other signal；The locating module is used to position the geographical position of transmitter, including d GPS locating module etc.；The power supply management
Circuit is used to manage the whole power demands of transmitter, feeds back reserve battery low pressure alarming；The single-chip microcomputer is used to control pick-up
The work and data processing of each several part circuit in device；The ultrasonic probe mounting means includes vertical cylinder container installation side
Formula, irregular container mounting means, horizontal vessel mounting means and ball container mounting means.
The installation requirement and mode of dual probe Technology Precision：
1st, installation requirement：Sampling probe needs to meet and samples constant apart from holding and confirm its distance value, and samples distance
More long, while the distance value of sampling is more accurate, then precision is higher；Can be calibrated automatically during liquid covering sampling probe, preferential peace
At liquid long-time covering.
Monitoring probe is installed on container bottom, and monitoring distance can in real time reflect the height of liquid change in container.
The 2nd, citing is installed：
(1) vertical cylinder container is installed：As shown in Figure 5；
(2) irregular container is installed：As shown in Figure 6；
(3) horizontal vessel is installed：As shown in Figure 3；
(4) ball container is installed：As shown in Figure 4；
Dual probe Technology Precision principle (theory diagram is as shown in Figure 2)：
The distance of sampling probe sampling keeps constant, it may be determined that distance value is constant S, and sampling probe passes through ultrasonic ranging
Principle, can detect the time T1 back and forth of ultrasonic wave one in current liquid, thus can just calculate the biography of liquid at that time
Broadcast speed V=S/ (T1/2) (divided by 2 because ultrasonic wave has walked two distance value back and forth).Sampling probe is determined currently
After the spread speed V of liquid, the ultrasonic wave that the monitoring probe installed in bottom then detects liquid height in current container is back and forth
Time T2, then in current container liquid height value H=V* (T2/2).
From principle, the height value that the method is calculated is automatic calibration value at that time, and certainty of measurement does not receive temperature, gas
The factors such as pressure, container material quality, fluid density influence.
Workflow (flow chart is as shown in Figure 1)：
The workflow of described High Precision Automatic sampling calibration ultrasonic solution level monitoring system is as follows：
A. electric on transmitter, power supply management circuit work, single-chip microcomputer initialization starts；
B. Single-chip Controlling sensor drive driving circuit drives sampling probe work；
C. the signal of sampling probe is given to single-chip microcomputer by signal processing circuit；
D. single-chip microcomputer carries out judgement calculating to sampled signal, determines spread speed of the ultrasonic wave in liquid in containers at that time；
E. Single-chip Controlling sensor drive driving circuit drives monitoring probe work；
F. the signal for monitoring probe is given to single-chip microcomputer by signal processing circuit；
G. single-chip microcomputer carries out judgement calculating to monitoring signals, determines propagation time of the ultrasonic wave in liquid in containers at that time；
H. the spread speed and propagation time that single-chip microcomputer pair determines are analyzed treatment, calculate liquid in container at that time
Altitude information；
I. power supply management electronic feedback backup battery voltage, single-chip microcomputer calculates reserve battery electric quantity data；
J. according to protocol requirement, Single-chip Controlling output interface circuit, by the height of liquid in wired output at that time container
The data such as degree and battery electric quantity, while monitor input data judging；
K. according to protocol requirement, Single-chip Controlling wireless communication module, by the height of liquid in wireless output at that time container
The data such as degree and battery electric quantity, judge while monitoring and receiving data；
L. job step b to step k circulations.
It should be noted that：The present invention is, using outer patch non-contact type ultrasonic e measurement technology, skill to be measured using dual probe
Art realizes that automatic sampling is calibrated, and the state to liquid level in container carries out real-time high-precision monitoring；Use outer patch non-contact ultrasonic
Wave measurement technology, when liquid changes in factors such as different temperatures, air pressure, containers, can calibrate to ensure liquid level automatically
High-acruracy survey；Using outer patch non-contact type ultrasonic e measurement technology, when the liquid of different densities is measured, compatibility is solved
Property it is poor, it is difficult to demarcate mode, the low problem of certainty of measurement；Using wireless technology and location technology, liquid level data wireless penetration is realized, pinpointed
Monitor in real time.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although being described in detail to the present invention with reference to the foregoing embodiments, for a person skilled in the art, it still may be used
Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic.
All any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc., should be included in of the invention
Within protection domain.
Claims (5)
1. a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system, including ultrasonic probe, transmitter, power supply set
Standby, container and server platform, the ultrasonic probe include that sampling probe and monitoring are popped one's head in, and the transmitter is driven by sensor
Dynamic circuit, signal processing circuit, wireless communication module, locating module, output interface circuit, power supply management circuit, singlechip group
Into the power supply unit includes external direct current power supply and reserve battery, and the server platform is including hand-held receiving device and far
Range monitoring cloud platform.
2. ultrasonic solution level monitoring system is calibrated in the High Precision Automatic sampling of one kind according to claim 1, it is characterised in that:
The interface of the output interface circuit includes RS232, RS485,4-20mA, analog voltage output.
3. ultrasonic solution level monitoring system is calibrated in the High Precision Automatic sampling of one kind according to claim 1, it is characterised in that:
The container is container and high temperature, the high-pressure closed vessels such as various metals, plastics, the glass of storage liquid.
4. ultrasonic solution level monitoring system is calibrated in the High Precision Automatic sampling of one kind according to claim 3, it is characterised in that:
The liquid includes various You poisonous substances Zhi ﹑ Qiang Suan ﹑ highly basic, oil, water and various liquid.
5. ultrasonic solution level monitoring system is calibrated in the High Precision Automatic sampling of one kind according to claim 1, it is characterised in that:
The ultrasonic probe mounting means includes vertical cylinder container mounting means, irregular container mounting means, horizontal vessel peace
Dress mode and ball container mounting means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710271217.XA CN106932055A (en) | 2017-04-24 | 2017-04-24 | A kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system |
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|---|---|---|---|
| CN201710271217.XA CN106932055A (en) | 2017-04-24 | 2017-04-24 | A kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system |
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| CN106932055A true CN106932055A (en) | 2017-07-07 |
Family
ID=59437176
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167219A (en) * | 2017-07-24 | 2017-09-15 | 江苏迅创科技有限公司 | A kind of self-alignment outer patch ultrasonic liquid level switch measuring system and its measuring method |
| CN107894265A (en) * | 2017-12-05 | 2018-04-10 | 国网福建省电力有限公司泉州供电公司 | A kind of transformer device for monitoring oil level |
| CN108051046A (en) * | 2017-11-10 | 2018-05-18 | 汇中仪表股份有限公司 | It is a kind of to carry out level monitoring device and method using paired ultrasonic sensor |
| CN108414057A (en) * | 2018-02-08 | 2018-08-17 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of contactless water-level gauge testing calibration device |
| CN108759985A (en) * | 2018-04-17 | 2018-11-06 | 哈尔滨工程大学 | A kind of level monitoring system of the high-pressure sealed foamite container of ship's fire fighting |
| CN110793597A (en) * | 2019-11-18 | 2020-02-14 | 北京光华世通科技有限公司 | Method and equipment for detecting liquid level of sealed fuel tank |
| CN111398544A (en) * | 2020-04-08 | 2020-07-10 | 江西怡杉环保股份有限公司 | Water quality on-line detector and metering system thereof |
| CN112147350A (en) * | 2020-08-25 | 2020-12-29 | 力合科技（湖南）股份有限公司 | Liquid level monitoring device and sampling monitoring method |
| CN113060696A (en) * | 2021-03-18 | 2021-07-02 | 苏州市华创力自动化科技有限公司 | Stability control method of rail type liquid conveying system |
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| CN206804112U (en) * | 2017-04-24 | 2017-12-26 | 深圳市电应普科技有限公司 | A kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system |
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| CN203502085U (en) * | 2013-10-22 | 2014-03-26 | 深圳市电应普科技有限公司 | Ultrasonic oil amount detector |
| CN103913208A (en) * | 2014-04-25 | 2014-07-09 | 西安华舜测量设备有限责任公司 | External ultrasonic level gauge with sound velocity self-calibration function and measuring method thereof |
| CN104266718A (en) * | 2014-09-24 | 2015-01-07 | 中山欧麦克仪器设备有限公司 | Automatically-calibrated ultrasonic liquid level measuring system |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107167219A (en) * | 2017-07-24 | 2017-09-15 | 江苏迅创科技有限公司 | A kind of self-alignment outer patch ultrasonic liquid level switch measuring system and its measuring method |
| CN108051046A (en) * | 2017-11-10 | 2018-05-18 | 汇中仪表股份有限公司 | It is a kind of to carry out level monitoring device and method using paired ultrasonic sensor |
| CN107894265A (en) * | 2017-12-05 | 2018-04-10 | 国网福建省电力有限公司泉州供电公司 | A kind of transformer device for monitoring oil level |
| CN108414057A (en) * | 2018-02-08 | 2018-08-17 | 水利部交通运输部国家能源局南京水利科学研究院 | A kind of contactless water-level gauge testing calibration device |
| CN108759985A (en) * | 2018-04-17 | 2018-11-06 | 哈尔滨工程大学 | A kind of level monitoring system of the high-pressure sealed foamite container of ship's fire fighting |
| CN110793597A (en) * | 2019-11-18 | 2020-02-14 | 北京光华世通科技有限公司 | Method and equipment for detecting liquid level of sealed fuel tank |
| CN111398544A (en) * | 2020-04-08 | 2020-07-10 | 江西怡杉环保股份有限公司 | Water quality on-line detector and metering system thereof |
| CN112147350A (en) * | 2020-08-25 | 2020-12-29 | 力合科技（湖南）股份有限公司 | Liquid level monitoring device and sampling monitoring method |
| CN113060696A (en) * | 2021-03-18 | 2021-07-02 | 苏州市华创力自动化科技有限公司 | Stability control method of rail type liquid conveying system |
| CN113060696B (en) * | 2021-03-18 | 2022-08-19 | 苏州市华创力自动化科技有限公司 | Stability control method of rail type liquid conveying system |
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