CN206804112U - 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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- CN206804112U CN206804112U CN201720434524.0U CN201720434524U CN206804112U CN 206804112 U CN206804112 U CN 206804112U CN 201720434524 U CN201720434524 U CN 201720434524U CN 206804112 U CN206804112 U CN 206804112U
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Abstract
The utility model discloses a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system, including ultrasonic probe, transmitter, power supply unit, container and server platform, the ultrasonic probe includes sampling probe and monitoring is 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, it can calibrate automatically to ensure the high-acruracy survey of liquid level, when measuring the liquid of different densities, solves poor compatibility, demarcation mode is difficult, the low problem of measurement accuracy, while uses wireless technology and location technology, liquid level data wireless penetration is realized, pinpoints monitoring in real time.
Description
Technical field
It the utility model is related to supersonic liquid level detection field, and in particular to a kind of High Precision Automatic sampling calibration ultrasonic wave
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 improving
The mode of contact, real-time high-precision monitoring is carried out to the state of liquid level in container, the advantage and not for having uniqueness in various fields
Alternative effect.
The method that supersonic technique scheme improves measurement level accuracy at present, 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 ultrasonic wave oil mass detector disclosed in utility model, including data processor and ultrasonic wave fuel-quantity transducer probe, institute
Data processor is stated to communicate to connect with ultrasonic wave fuel-quantity transducer probe；The data processor include MCU control circuit and
The power circuit being connected with MCU control circuit；The data processor also includes ultrasonic acquisition circuit and temperature collection circuit,
The utility model can highly measure to the oil mass in fuel tank, the outputting standard electric signal after processing of circuit；Ultrasonic wave passes
Tank bottoms are affixed on outside sensor, not contacted with oil can be to the real-time detection of oil mass；It is widely used in the oil mass monitoring of various types of vehicles
Ship, generating set, the oil level of the fuel tank of apparatus of the internal-combustion engine can also accurately be monitored, can led to reference to GPS/GPRS in real time
News technology, by computer software management platform, scientific management is realized, but current technology has the shortcomings that 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, poor compatibility be present, demarcation mode is difficult, the low problem of measurement accuracy.
Utility model content
The technical problems to be solved in the utility model is the defects of overcoming prior art, there is provided a kind of High Precision Automatic sampling
Calibrate ultrasonic solution level monitoring system.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：One kind is High Precision Automatic to be taken
Sample calibrates ultrasonic solution level monitoring system, including ultrasonic probe, transmitter, power supply unit, container and server platform, described
Ultrasonic probe includes sampling probe and monitoring is popped one's head in, and 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 are into the power supply unit includes external straight
Power supply and reserve battery are flowed, the server platform includes 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 be the containers such as the storage various metals of liquid, plastics, glass and high temperature, it is 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 vertical cylinder container mounting means, irregular container is installed
Mode, horizontal vessel mounting means and ball container mounting means.
The beneficial effect that the utility model is reached 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, it can calibrate automatically to ensure the high-acruracy survey of liquid level.
2nd, using outer patch non-contact type ultrasonic e measurement technology, when measuring the liquid of different densities, solves compatibility
Difference, demarcation mode is difficult, the low problem of measurement accuracy.
3rd, using wireless technology and location technology, liquid level data wireless penetration is realized, pinpoints monitoring in real time.
Brief description of the drawings
Accompanying drawing is used for providing further understanding to of the present utility model, and a part for constitution instruction, with this practicality
New embodiment is used to explain the utility model together, does not form to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system operation principle signal of the utility model
Figure；
Fig. 2 is that a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system dual probe of the utility model is surveyed in high precision
Measure technical principle schematic diagram；
Fig. 3 is that horizontal vessel is installed in a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system of the utility model
Schematic diagram；
Fig. 4 is a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system ball type container installation of the utility model
Schematic diagram；
Fig. 5 is vertical cylinder container in a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system of the utility model
Scheme of installation；
Fig. 6 is irregular container peace in a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system of the utility model
Fill schematic diagram；
Embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
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 the various metals, plastics, 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 to be used to monitor the liquid height in container in real time；The sensor drive driving circuit is used to drive sampling to visit
Head and monitoring probe work；It is that can be known by single-chip microcomputer that the signal processing circuit, which is used for the faint analog-signal transitions of sensor,
Other signal；The locating module is used for the geographical position for positioning transmitter, including d GPS locating module etc.；The power supply management
Circuit is used for the whole power demands for managing 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 that sampling distance keeps constant and confirms its distance value, and samples distance
It is longer, while the distance value sampled is more accurate, then precision is higher；Liquid can be calibrated automatically when covering sampling probe, preferential peace
At liquid long-time covering.
Monitoring probe is installed on container bottom, and monitoring distance can reflect the height that liquid changes in container in real time.
2nd, installation citing：
(1) vertical cylinder container is installed：As shown in Figure 5；
(2) irregular container installation：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, the time T1 of ultrasonic wave one back and forth in current liquid can be detected, thus can calculates the biography of liquid at that time
Broadcast speed V=S/ (T1/2) (divided by 2 be because ultrasonic wave walked two distance value back and forth).Sampling probe is determined currently
After the spread speed V of liquid, the monitoring probe installed in bottom then detects the ultrasonic wave of liquid height in current container back and forth
Time T2, then in current container liquid height value H=V* (T2/2).
From principle, height value that the method calculates is automatic calibration value at that time, and measurement accuracy is not by 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 microcomputer control sensor drive driving circuit driving 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 microcomputer control sensor drive driving circuit driving 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 analyze and process, and calculate liquid in container at that time
Altitude information；
I. power supply management electronic feedback backup battery voltage, single-chip microcomputer calculate reserve battery electric quantity data；
J. according to protocol requirement, single-chip microcomputer control output interface circuit, by wired output at that time in container liquid height
The data such as degree and battery electric quantity, while monitor input data judgement；
K. according to protocol requirement, single-chip microcomputer control wireless communication module, by the height for wirelessly exporting liquid in container at that time
The data such as degree and battery electric quantity, while monitor and receive data judgement；
L. job step b to step k is circulated.
It should be noted that：The utility model is to use outer patch non-contact type ultrasonic e measurement technology, is surveyed using dual probe
Amount technology realizes that automatic sampling is calibrated, and real-time high-precision monitoring is carried out to the state of liquid level in container；It is contactless using outer patch
Supersonic technique, when liquid changes in factors such as different temperatures, air pressure, containers, it can calibrate automatically to ensure
The high-acruracy survey of liquid level；Using outer patch non-contact type ultrasonic e measurement technology, when measuring the liquid of different densities, solve
Poor compatibility, demarcation mode is difficult, the low problem of measurement accuracy；Using wireless technology and location technology, liquid level data wireless penetration is realized,
Fixed point monitoring in real time.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent substitution.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (5)
1. a kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system, including ultrasonic probe, transmitter, power supply are set
Standby, container and server platform, the ultrasonic probe includes sampling probe and monitoring is 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. the High Precision Automatic sampling calibration ultrasonic solution level monitoring system of one kind according to claim 1, it is characterised in that:
The interface of the output interface circuit includes RS232, RS485,4-20mA and analog voltage exports.
3. the High Precision Automatic sampling calibration ultrasonic solution level monitoring system of one kind according to claim 1, it is characterised in that:
The container is various metals, plastics, glass container and high temperature, the high-pressure closed vessel of storage liquid.
4. the High Precision Automatic sampling calibration ultrasonic solution level monitoring system of one kind according to claim 3, it is characterised in that:
The liquid has poisonous substance matter ﹑ sour ﹑ highly basic, You Heshui by force including various.
5. the High Precision Automatic sampling calibration ultrasonic solution level monitoring system 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.
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| CN201720434524.0U CN206804112U (en) | 2017-04-24 | 2017-04-24 | A kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system |
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| CN201720434524.0U CN206804112U (en) | 2017-04-24 | 2017-04-24 | A kind of High Precision Automatic sampling calibration ultrasonic solution level monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106932055A (en) * | 2017-04-24 | 2017-07-07 | 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932055A (en) * | 2017-04-24 | 2017-07-07 | 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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