CN105784069A - Large liquid storage tank liquid level measuring device based on wireless transmission - Google Patents
Large liquid storage tank liquid level measuring device based on wireless transmission Download PDFInfo
- Publication number
- CN105784069A CN105784069A CN201610185497.8A CN201610185497A CN105784069A CN 105784069 A CN105784069 A CN 105784069A CN 201610185497 A CN201610185497 A CN 201610185497A CN 105784069 A CN105784069 A CN 105784069A
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- China
- Prior art keywords
- module
- receiving terminal
- transmitting terminal
- receiving
- storage tank
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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
- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention relates to a liquid level measuring device, in particularly to a large liquid storage tank liquid level measuring device based on wireless transmission. The device comprises two parts, namely, a transmitting terminal and a receiving terminal, wherein the transmitting terminal comprises a transmitting terminal power module, a transmitting terminal master control module, an ultrasonic receiving and transmitting module, an alarm prompt circuit module, a temperature clock module and a wireless transmitting module; the receiving terminal comprises a receiving terminal power module, a receiving terminal master control module, a wireless receiving module and a liquid crystal display module; the transmitting terminal master control module is connected with the transmitting terminal power module, the ultrasonic receiving and transmitting module, the alarm prompt circuit module, the temperature clock module and the wireless transmitting module; the receiving terminal master control module is connected with receiving terminal power module, the wireless receiving module and the liquid crystal display module; the device further comprises a temperature sensor for measuring the temperature in an oil tank; the receiving terminal is also connected to an outer computer in a wireless or wired manner.
Description
Technical field
The present invention relates to a kind of level gauging device, specifically, be a kind of based on the large-scale liquid storage tank level gauging device being wirelessly transferred.
Background technology
In the industrial production, such as numerous areas such as oil, chemical industry, the hydrology, meteorologies, in order to predict the storage capability of material, it is simple to material is monitored, it is an important link that liquid level is measured.The hand-dipping measurement of early stage is time-consuming requires great effort again, and certainty of measurement is relatively low；Mechanical measurement device, although precision is also higher, but working life is relatively low, installs also complex；Also having is exactly radar level gauge, and this is the tank gage of a kind of advanced person, and certainty of measurement is high, but cost is too high.In recent years, non-contact measurement liquid level technology obtains and is increasingly widely applied, and wherein the technical development of ultrasonic measurement liquid level is fast, application is wide.The ultimate principle of ultrasonic measuring liquid level is reflected after the ultrasonic pulsative signal " in gas propagate " that ultrasonic probe sends arrives the interface of liquid, utilization receives echo-signal can obtain the propagation time that ultrasound wave comes and goes, and can calculate propagation distance thus obtaining liquid level further according to its spread speed at temperature at that time and propagation time.Ultrasonic wave measuring method functional reliability is strong, precision is high, it is to avoid repair and maintenance frequently, and has certain price advantage.
In industry actual production, the liquid deposited in fluid reservoir be likely to be of inflammable and explosive, corrosivity is strong, the feature such as volatile, even can store virose liquid, it is necessary to these liquid are carried out accurate level gauging, detect its liquid level.Utilize non-contact type ultrasonic liquid level measuring, it may be achieved the accurate measurement of liquid level.The functional reliability of measurement apparatus is strong, precision is high, it is to avoid repair and maintenance frequently, and has certain price advantage.
Summary of the invention
nullIt is an object of the invention to provide a kind of highly reliable for commercial production、Precision is high，Avoid the level gauging device of repair and maintenance frequently，The present invention is specially a kind of based on the large-scale liquid storage tank level gauging device being wirelessly transferred，Including transmitting terminal and two parts of receiving terminal，Transmitting terminal is by transmitting terminal power module、Transmitting terminal main control module、Ultrasonic transceiver module、Alarm circuit module、Temperature clock module、Wireless transmitter module forms，Receiving terminal is by receiving terminal power module、Receiving terminal main control module、Wireless receiving module、LCD MODULE forms，Transmitting terminal main control module respectively with transmitting terminal power module、Sound wave transceiver module、Alarm circuit module、Temperature clock module、Wireless transmitter module connects，Receiving terminal main control module respectively with receiving terminal power module、Wireless receiving module、LCD MODULE is connected，Also include the temperature sensor temperature for measuring in oil tank，Receiving terminal is connected to outer computer also by mode wirelessly or non-wirelessly.
In the technical program, transmitting terminal is installed at fluid reservoir top, then at monitoring room, receiving terminal is installed, the distance of transmitting terminal and receiving terminal not can exceed that the maximum transmission distance of wireless transmission unit, the temperature in current fluid reservoir is measured in temperature sensor, utilize ultrasonic transceiver module from transmitting a signal to the time used by signal that receives, propagation distance can be calculated further according to its spread speed at temperature at that time, thus obtaining liquid level, transmitting terminal is by measured height and temperature data, by being wirelessly transmitted to receiving terminal, receiving terminal demonstrates temperature by LCDs, and send the data to computer by USB, thus realizing monitoring and storage.
Further improvement of the present invention, ultrasonic transceiver module adopts KS103 ultrasonic transceiver module, KS103 ultrasonic transceiver module maximum range is 8 meters, range accuracy is about 3mm, look-in frequency is up to 500Hz, adopt adjustable filtering noise reduction technology, affected by power supply less, be the ultrasonic wave module of a technical grade.
Further improvement of the present invention, transmitting terminal main control module adopts C51 series monolithic with receiving terminal main control module, C51 series monolithic is that a kind of performance is higher, the single-chip microcomputer that power consumption is relatively low and capacity of resisting disturbance is stronger, inside carries storage, can function and the speed such as downloading by serial ports, application is more and more extensive.
Further improvement of the present invention, transmitting terminal power module and receiving terminal power module adopt 220VAC to turn 5VDC power supply adaptor and complete, and adopt AMS1117 voltage stabilizing chip to transfer 5V to 3.3V, for the different power supply needed of circuit.
Further improvement of the present invention, alarm circuit module adopts buzzer, and when liquid level or temperature exceed the safety levels of fluid reservoir, device will be reported to the police.
Further improvement of the present invention, temperature sensor adopts DS18B20 temperature sensor, and wireless transmitter module composition selects NRF24L01 monolithic radio frequency transceiving chip with wireless receiving module composition, and LCD MODULE adopts TFT liquid crystal touch screen to control video data information.DS18B20 temperature sensor measurement goes out the temperature in fluid reservoir, obtain accurate hyperacoustic speed in real time, and then make liquid level gauging more accurate, and NRF2401 monolithic radio frequency transceiving chip, there is operating on low voltage, two-forty, low-power consumption, the features such as cost is low, easy exploiting, realize sending real-time liquid level, temperature and corresponding time to receiving terminal.
Beneficial effects of the present invention: the present invention utilizes ultrasound wave to measure large-scale flow container liquid level, and functional reliability is strong, precision is high, it is to avoid repair and maintenance frequently, and has certain cost advantage.Simultaneously by being wirelessly transferred, easy for installation, human users's motility is strong.
Accompanying drawing explanation
Fig. 1 is the structural representation of transmitting terminal of the present invention.
Fig. 2 is the structural representation of receiving terminal of the present invention.
Detailed description of the invention
In order to deepen the understanding of the present invention, below in conjunction with drawings and Examples, the present invention being described in further detail, this embodiment is only used for explaining the present invention, protection scope of the present invention is not constituted and limits.
nullEmbodiment: as depicted in figs. 1 and 2，A kind of based on the large-scale liquid storage tank level gauging device being wirelessly transferred，Including transmitting terminal and two parts of receiving terminal，Transmitting terminal is by transmitting terminal power module、Transmitting terminal main control module、Ultrasonic transceiver module、Alarm circuit module、Temperature clock module、Wireless transmitter module forms，Receiving terminal is by receiving terminal power module、Receiving terminal main control module、Wireless receiving module、LCD MODULE forms，Transmitting terminal main control module respectively with transmitting terminal power module、Sound wave transceiver module、Alarm circuit module、Temperature clock module、Wireless transmitter module connects，Receiving terminal main control module respectively with receiving terminal power module、Wireless receiving module、LCD MODULE is connected，Also include the temperature sensor temperature for measuring in oil tank，Receiving terminal is connected to outer computer also by mode wirelessly or non-wirelessly.
In the present embodiment, transmitting terminal is installed at fluid reservoir top, then at monitoring room, receiving terminal is installed, the distance of transmitting terminal and receiving terminal not can exceed that the maximum transmission distance of wireless transmission unit, the temperature in current fluid reservoir is measured in temperature sensor, utilize ultrasonic transceiver module from transmitting a signal to the time used by signal that receives, propagation distance can be calculated further according to its spread speed at temperature at that time, thus obtaining liquid level, transmitting terminal is by measured height and temperature data, by being wirelessly transmitted to receiving terminal, receiving terminal demonstrates temperature by LCDs, and send the data to computer by USB, thus realizing monitoring and storage.
In the present embodiment, ultrasonic transceiver module adopts KS103 ultrasonic transceiver module；Transmitting terminal main control module adopts C51 series monolithic with receiving terminal main control module；Transmitting terminal power module and receiving terminal power module adopt 220VAC to turn 5VDC power supply adaptor and complete, and adopt AMS1117 voltage stabilizing chip to transfer 5V to 3.3V, for the different power supply needed of circuit；Alarm circuit module adopts buzzer, and when liquid level or temperature exceed the safety levels of fluid reservoir, device will be reported to the police；Temperature sensor adopts DS18B20 temperature sensor, and wireless transmitter module composition selects NRF24L01 monolithic radio frequency transceiving chip with wireless receiving module composition, and LCD MODULE adopts TFT liquid crystal touch screen to control video data information.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; described in above-described embodiment and description is that principles of the invention is described; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within the claimed scope of the invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (6)
- null1. one kind based on the large-scale liquid storage tank level gauging device being wirelessly transferred，It is characterized in that: include transmitting terminal and two parts of receiving terminal，Described transmitting terminal is by transmitting terminal power module、Transmitting terminal main control module、Ultrasonic transceiver module、Alarm circuit module、Temperature clock module、Wireless transmitter module forms，Described receiving terminal is by receiving terminal power module、Receiving terminal main control module、Wireless receiving module、LCD MODULE forms，Described transmitting terminal main control module respectively with transmitting terminal power module、Sound wave transceiver module、Alarm circuit module、Temperature clock module、Wireless transmitter module connects，Described receiving terminal main control module respectively with receiving terminal power module、Wireless receiving module、LCD MODULE is connected，Also include the temperature sensor temperature for measuring in oil tank，Described receiving terminal is connected to outer computer also by mode wirelessly or non-wirelessly.
- 2. according to claim 1 based on the large-scale liquid storage tank level gauging device being wirelessly transferred, it is characterised in that: described ultrasonic transceiver module adopts KS103 ultrasonic transceiver module.
- 3. according to claim 2 based on the large-scale liquid storage tank level gauging device being wirelessly transferred, it is characterised in that: described transmitting terminal main control module adopts C51 series monolithic with described receiving terminal main control module.
- 4. according to claim 3 based on the large-scale liquid storage tank level gauging device being wirelessly transferred, it is characterized in that: described transmitting terminal power module and receiving terminal power module adopt 220VAC to turn 5VDC power supply adaptor and complete, adopt AMS1117 voltage stabilizing chip to transfer 5V to 3.3V.
- 5. according to claim 4 based on the large-scale liquid storage tank level gauging device being wirelessly transferred, it is characterised in that: described alarm circuit module adopts buzzer.
- 6. according to any one of claim 1-5 based on the large-scale liquid storage tank level gauging device being wirelessly transferred, it is characterized in that: described temperature sensor adopts DS18B20 temperature sensor, described wireless transmitter module composition selects NRF24L01 monolithic radio frequency transceiving chip with wireless receiving module composition, and described LCD MODULE adopts TFT liquid crystal touch screen to control video data information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610185497.8A CN105784069A (en) | 2016-03-29 | 2016-03-29 | Large liquid storage tank liquid level measuring device based on wireless transmission |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610185497.8A CN105784069A (en) | 2016-03-29 | 2016-03-29 | Large liquid storage tank liquid level measuring device based on wireless transmission |
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| CN105784069A true CN105784069A (en) | 2016-07-20 |
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| CN201610185497.8A Pending CN105784069A (en) | 2016-03-29 | 2016-03-29 | Large liquid storage tank liquid level measuring device based on wireless transmission |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976665A (en) * | 2017-04-07 | 2017-07-25 | 东莞市佳乾新材料科技有限公司 | A kind of fluid reservoir with structure of voltage regulation |
| CN107727528A (en) * | 2017-09-30 | 2018-02-23 | 河南理工大学 | The desorption of mash gas speed detecting method and device of a kind of no accumulated error |
| CN108175907A (en) * | 2018-01-15 | 2018-06-19 | 北京大学 | A kind of pipeline liquid level ultrasound alarm and its alarm method |
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| CN101097161A (en) * | 2006-06-30 | 2008-01-02 | 北京奥麦特科技有限公司 | Device for ultrasonic measuring liquid level and method thereof |
| DE102008017070A1 (en) * | 2008-04-03 | 2009-10-22 | Continental Automotive Gmbh | Measuring device for determining fill level of oil in oil tank of motor vehicle, has floating body arranged at fluid surface, and measuring distance extending between fluid surface and base wall of oil tank running along fluid surface |
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| CN104132714A (en) * | 2014-06-11 | 2014-11-05 | 浙江省水文局 | Automatic ultrasonic water level monitoring device |
| CN203950211U (en) * | 2014-07-03 | 2014-11-19 | 南京信息工程大学 | A kind of liquid level monitoring device based on wireless transmission |
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2016
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Patent Citations (7)
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| CN1535374A (en) * | 2001-07-27 | 2004-10-06 | 恩德莱斯和豪瑟尔两合公司 | Method for evaluating measuring signals of propagation time based measuring device |
| CN101097161A (en) * | 2006-06-30 | 2008-01-02 | 北京奥麦特科技有限公司 | Device for ultrasonic measuring liquid level and method thereof |
| DE102008017070A1 (en) * | 2008-04-03 | 2009-10-22 | Continental Automotive Gmbh | Measuring device for determining fill level of oil in oil tank of motor vehicle, has floating body arranged at fluid surface, and measuring distance extending between fluid surface and base wall of oil tank running along fluid surface |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976665A (en) * | 2017-04-07 | 2017-07-25 | 东莞市佳乾新材料科技有限公司 | A kind of fluid reservoir with structure of voltage regulation |
| CN107727528A (en) * | 2017-09-30 | 2018-02-23 | 河南理工大学 | The desorption of mash gas speed detecting method and device of a kind of no accumulated error |
| CN108175907A (en) * | 2018-01-15 | 2018-06-19 | 北京大学 | A kind of pipeline liquid level ultrasound alarm and its alarm method |
| CN108175907B (en) * | 2018-01-15 | 2023-09-22 | 北京大学 | Ultrasonic alarm for liquid level of pipeline and alarm method thereof |
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Application publication date: 20160720 |
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