CN110470341A - A kind of storage tank cloud monitoring system and method - Google Patents
A kind of storage tank cloud monitoring system and method Download PDFInfo
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- CN110470341A CN110470341A CN201910779379.3A CN201910779379A CN110470341A CN 110470341 A CN110470341 A CN 110470341A CN 201910779379 A CN201910779379 A CN 201910779379A CN 110470341 A CN110470341 A CN 110470341A
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- storage tank
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention discloses a kind of storage tank clouds to monitor system and method, belong to detection technique field, it include: two Internet of Things pressure content gauges being mounted on Tank, and the server being wirelessly connected respectively with two Internet of Things pressure content gauge output ends, the mounting height difference of two Internet of Things pressure content gauges is △ h, the pressure value p1 and p2 being respectively used in detection storage tank, server memory contain storage tank parameter list, and parameter includes storage tank height, tank diameter, mounting height difference △ h and alarm limits in the table；Server is used to calculate the current status information of storage tank, and status information is compared with alarm limits according to storage tank height, tank diameter, mounting height difference △ h and pressure value p1, p2, realizes storage tank monitoring.The realization process that the present invention monitors storage tank is simple and effective and cost is relatively low.
Description
Technical field
The present invention relates to monitoring technology field, in particular to a kind of storage tank cloud monitors system and method.
Background technique
In the production processes such as biology, chemistry, medicine, food, the storage tank to the liquid charging stock of storage is needed to be monitored,
To realize following purpose: being monitored tank inner pressure to prevent hypertonia from leading to industrial accident, supervised by pressure
Survey eliminates safe hidden trouble；Density in storage tank is monitored, to prevent the variation because of Media density from leading to product quality problem, is led to
Crossing measuring density ensures product quality；Surplus in storage tank is monitored, surplus deficiency will affect production efficiency, by surplus
Monitoring improves production efficiency.
Traditional monitoring mode is needed to install the multiple sensors such as pressure gauge, densitometer, liquidometer on storage tank and could be reached
To object above, monitoring process is cumbersome and at high cost, and if data disunity or a certain sensor fault between multisensor, meeting
Cause monitors failure.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, to reduce the cost of storage tank monitoring.
In order to achieve the above object, on the one hand, monitoring system using a kind of storage tank cloud, comprising: be mounted on Tank
First Internet of Things pressure content gauge, the second Internet of Things pressure content gauge, and respectively with the first Internet of Things pressure content gauge and
The server that two Internet of Things pressure content gauge output ends are wirelessly connected, the first Internet of Things pressure content gauge and the second Internet of Things pressure
The mounting height difference of liquidometer is △ h, and server memory contains storage tank parameter list, and parameter includes storage tank height, storage tank in the table
Diameter, mounting height difference △ h and alarm limits；
First Internet of Things pressure content gauge and the second Internet of Things pressure content gauge are respectively used to the pressure value in detection storage tank
P1 and p2, server are used to calculate storage tank according to storage tank height, tank diameter, mounting height difference △ h and pressure value p1, p2
Current status information, and status information is compared with alarm limits, realize storage tank monitoring.
Further, the alarm limits include medium standards density, pressure limit, liquid level limit value and surplus limit value.
Further, the first Internet of Things pressure content gauge and the second Internet of Things pressure content gauge include that diffusion silicon passes
Sensor, signal acquiring board, wireless communication plate and power supply module；Diffusion silicon sensor is connect with signal acquiring board, signal acquisition
Plate is connect through wireless communication plate with the server, and power supply module is connect with signal acquiring board and wireless communication plate.
Further, microcontroller and converter are welded on the signal acquiring board, constant-current source, operation built in converter
Amplifying circuit and adc circuit, microcontroller carry out data communication by SPI serial line interface and converter, microcontroller
UART communication interface is connect with the wireless communication plate, and converter is connect with the diffusion silicon sensor.
Further, the server includes Media density computing module, medium liquid level computing module and medium surplus meter
Calculate module, in which:
Media density computing module is used to according to pressure value p1, p2 and mounting height difference be △ h and acceleration of gravity, meter
Calculate the density p of medium in storage tank；
Medium liquid level computing module is used to calculate medium in storage tank according to Media density ρ, pressure value p1 and acceleration of gravity
Liquid level h；
Medium surplus computing module is used to calculate medium in storage tank according to the liquid level h of medium in storage tank and the height of storage tank
Surplus y.
Further, the server further includes medium volume computing module and mass of medium computing module, in which:
Medium volume computing module is used to be calculated in storage tank according to the liquid level h of medium in the storage tank and the diameter of storage tank
The volume v of medium；
Mass of medium computing module is used for the volume v according to medium in the density p and storage tank of medium in the storage tank, calculates
The quality m of medium in storage tank.
Further, the server further include respectively with Media density computing module, medium liquid level computing module, medium
The warning note module that surplus computing module, medium liquid level Volume module are connected with medium liquid level quality module output end, alarm
Cue module is used for:
Hypertonia alarm is carried out when pressure value p1 is higher than pressure limit；
When the density p of medium is greater than a certain range beyond the value of medium standards density in storage tank, issues medium and report extremely
It is alert；
When the liquid level h of medium is lower than liquid level limit value in storage tank, the too low alarm of liquid level is carried out；
When the surplus y of medium is lower than surplus limit value in storage tank, the too low alarm of surplus is carried out.
On the other hand, using a kind of storage tank cloud monitoring method, include the following steps:
Obtain the pressure value p1 of tank bottom and away from the pressure value p2 at bottom level △ h, and acquisition storage tank height
And tank diameter；
According to storage tank height, tank diameter, mounting height difference △ h and pressure value p1, p2, the current state of storage tank is calculated
Information；
The current status information of storage tank is compared with corresponding alarm limits, realizes storage tank monitoring.
Further, described according to storage tank height, tank diameter, mounting height difference △ h and pressure value p1, p2, it calculates
The current status information of storage tank, comprising:
It is △ h and acceleration of gravity according to pressure value p1, p2 and mounting height difference, calculates the density p of medium in storage tank；
According to Media density ρ, pressure value p1 and acceleration of gravity, the liquid level h of medium in storage tank is calculated；
According to the liquid level h of medium in storage tank and the height of storage tank, the surplus y of medium in storage tank is calculated；
According to the liquid level h of medium in the storage tank and the diameter of storage tank, the volume v of medium in storage tank is calculated；
According to the volume v of medium in the density p of medium in the storage tank and storage tank, the quality m of medium in storage tank is calculated.
Further, the status information that storage tank is current is compared with corresponding alarm limits, realizes storage tank prison
It surveys, comprising:
Hypertonia alarm is carried out when pressure value p1 is higher than pressure limit；
When the density p of medium is greater than a certain range beyond the value of medium standards density in storage tank, issues medium and report extremely
It is alert；
When the liquid level h of medium is lower than liquid level limit value in storage tank, the too low alarm of liquid level is carried out；
When the surplus y of medium is lower than surplus limit value in storage tank, the too low alarm of surplus is carried out.
Compared with prior art, there are following technical effects by the present invention: the present invention passes through in tank bottom and away from bottom of storage tank
Internet of Things pressure content gauge is installed respectively at portion height △ h, detects tank bottom respectively and away from the pressure at tank bottom height △ h
Force value, and by pressure value transmission value server, the monitoring of software that server by utilizing is disposed thereon, according to pressure value, storage tank height
Be monitored with information, pressure, density and surplus to medium in storage tank etc. such as diameters, entire monitoring process realize it is simple, at
This is lower.
Detailed description of the invention
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail:
Fig. 1 is a kind of functional block diagram of storage tank cloud monitoring system；
Fig. 2 is networking pressure content gauge structural schematic diagram；
Fig. 3 is signal acquiring board structural schematic diagram；
Fig. 4 is server architecture schematic diagram；
Fig. 5 is a kind of flow diagram of storage tank cloud monitoring method.
Specific embodiment
In order to further explain feature of the invention, reference should be made to the following detailed description and accompanying drawings of the present invention.Institute
Attached drawing is only for reference and purposes of discussion, is not used to limit protection scope of the present invention.
As shown in Figure 1, present embodiment discloses a kind of storage tank clouds to monitor system, comprising: be mounted on 10 can body of storage tank
First Internet of Things pressure content gauge M1, the second Internet of Things pressure content gauge M2, and respectively with the first Internet of Things pressure content gauge
The server 20 that M1 and the second Internet of Things pressure content gauge M2 output end are wirelessly connected, the first Internet of Things pressure content gauge M1 and the
The mounting height difference of two Internet of Things pressure content gauge M2 is △ h, is stored with 10 parameter list of storage tank, parameter in the table in server 20
Including 10 height H of storage tank, 10 diameter D of storage tank, mounting height difference △ h and alarm limits；First Internet of Things pressure content gauge M1 and
Second Internet of Things pressure content gauge M2 is respectively used to pressure value p1 and p2 in detection storage tank 10, and server 20 is used for according to storage tank
10 height, 10 diameter of storage tank, mounting height difference △ h and pressure value p1, p2 calculate the current status information of storage tank 10, and will
Status information is compared with alarm limits, realizes that storage tank 10 monitors.
Wherein, the first Internet of Things pressure content gauge M1 is mounted on 10 bottom of storage tank, the first Internet of Things pressure content gauge M2 peace
Mounted in 10 can body of storage tank away from 10 bottom △ h of storage tank at, to detect the pressure value of two different locations respectively.
Particularly, between two liquidometers distance △ h without particular/special requirement, generally higher than the 1/3 of storage tank total height
.
As shown in Fig. 2, the first Internet of Things pressure content gauge and the second Internet of Things pressure content gauge include diffusion silicon
Sensor 31, signal acquiring board 32, wireless communication plate 33 and power supply module 34；Spread silicon sensor 31 and signal acquiring board 32
Connection, signal acquiring board 32 are connect through wireless communication plate 33 with the server 20, power supply module 34 and signal acquiring board 32 and
Plate 33 is wirelessly communicated to connect.
As shown in figure 3, microcontroller 321 and converter 322 are welded on signal acquiring board 32, it is permanent built in converter 322
Stream source, operational amplification circuit and adc circuit, microcontroller 321 carry out data communication by SPI serial line interface and converter,
The UART communication interface of microcontroller 321 is connect with the wireless communication plate 33, converter 321 and the diffusion silicon sensor 31
Connection.
Specifically, signal acquiring board generates 1mA to constant current output the swashing as diffusion silicon sensor between 1.5mA
Signal is encouraged, the voltage signal size of detection diffusion silicon sensor output simultaneously calculates corresponding pressure or liquid level, the pressure being calculated
Power or liquid level data are sent to wireless communication plate UART communication interface in a manner of Transistor-Transistor Logic level.It is welded on signal acquiring board
There are the single microcontroller of MSP430FR21xx series and AD779x chip.AD779x built-in chip type constant-current source, amplifier and ADC electricity
Road, microcontroller carry out data communication by SPI serial line interface and AD779x.
Specifically, the communication module for being welded with EC20 or other specifications on plate is wirelessly communicated, is come from by UART interface reception
In the pressure or liquid level data of signal acquiring board, by 3G/4G network or NB-IoT network with http protocol or other agreements
Mode says that data are transmitted to 20 end of server.System is that signal acquiring board and wireless communication plate are powered using battery, Selection of Battery
Large capacity, high-energy density, low discharge rate lithium-thionyl chloride (Li/SoCi2) battery, voltage rating 3.6V.
Specifically, alarm limits include medium standards density p 0, pressure limit p0, liquid level limit value h0 and surplus limit value y0
At least one of.
Further, as shown in figure 4, server 20 include Media density computing module 21, medium liquid level computing module 22,
Medium surplus computing module 23, medium volume computing module 24 and mass of medium computing module 25, in which:
Media density computing module 21 is used to be △ h and acceleration of gravity according to pressure value p1, p2 and mounting height difference,
The density p of medium in storage tank is calculated, specifically:
Wherein: g- acceleration of gravity, value 9.8m/s2。
Medium liquid level computing module 22 is used to be calculated in storage tank 10 according to Media density ρ, pressure value p1 and acceleration of gravity
The liquid level h of medium, specifically:
Wherein: g- acceleration of gravity, value 9.8m/s2。
Medium surplus computing module 23 is used to calculate storage tank according to the liquid level h of medium in storage tank 10 and the height of storage tank 10
The surplus y of medium in 10, specifically:
Medium volume computing module 24 is used to be calculated according to the liquid level h of medium in the storage tank 10 and the diameter of storage tank 10
The volume v of medium in storage tank 10, specifically:
Mass of medium computing module 25 is used for the volume according to medium in the density p and storage tank 10 of medium in the storage tank 10
V calculates the quality m of medium in storage tank 10, specifically:
M=ρ × v.
Further, server 20 further include respectively with Media density computing module 21, medium liquid level computing module 22, be situated between
The warning note mould that matter surplus computing module 23, medium liquid level Volume module 24 are connected with 25 output end of medium liquid level quality module
Block 26, warning note module 26 are used for:
Hypertonia alarm is carried out when pressure value p1 is higher than pressure limit；
When the density p of medium is greater than a certain range beyond the value of medium standards density in storage tank 10, it is abnormal to issue medium
Alarm；
When the liquid level h of medium is lower than liquid level limit value in storage tank 10, the too low alarm of liquid level is carried out；
When the surplus y of medium is lower than surplus limit value in storage tank 10, the too low alarm of surplus is carried out.
It should be noted that different industries client is different for the variable density alarm range of different medium in storage tank
, user can be configured on the software systems backstage of server.
In addition, also being calculated the volume and quality of medium in storage tank in the present embodiment, because some clients charging is
Settled accounts by volume, client charging be to be settled accounts by quality, for different clients different clearing forms need select carry out body
Product alarm or alarm quality.
It should be noted that only need to install two Internet of Things pressure content gauges on 10 can body of storage tank in the present embodiment and be
Can, server 20 is wirelessly transmitted to by the pressure value information for obtaining two Internet of Things pressure content gauges, utilizes server 20
The monitoring system software of upper deployment can carry out pressure, density and surplus of medium in storage tank 10 etc. according to pressure value information
The hardware of monitoring, whole process installation greatly reduces compared to traditional scheme, reduces use cost, and monitors the letter of realization process
It is single.
As shown in figure 5, including the following steps S1-S3 present embodiment discloses a kind of 10 cloud monitoring method of storage tank:
S1, the pressure value p1 for obtaining 10 bottom of storage tank and away from pressure value p2 bottom level △ h at, and acquisition storage tank
10 diameter of 10 height and storage tank；
S2, according to 10 height of storage tank, 10 diameter of storage tank, mounting height difference △ h and pressure value p1, p2, calculate storage tank 10
Current status information；
S3, the current status information of storage tank 10 is compared with corresponding alarm limits, realizes that storage tank 10 monitors.
Further, above-mentioned steps S2: according to 10 height H of storage tank, 10 diameter D of storage tank, mounting height difference △ h and pressure value
P1, p2 calculate the current status information of storage tank 10, comprising:
It is △ h and acceleration of gravity according to pressure value p1, p2 and mounting height difference, calculates the density of medium in storage tank 10
ρ；
According to Media density ρ, pressure value p1 and acceleration of gravity, the liquid level h of medium in storage tank 10 is calculated；
According to the height of the liquid level h of medium in storage tank 10 and storage tank 10, the surplus y of medium in storage tank 10 is calculated；
According to the liquid level h of medium in the storage tank 10 and the diameter of storage tank 10, the volume v of medium in storage tank 10 is calculated；
According to the volume v of medium in the density p of medium in the storage tank 10 and storage tank 10, the matter of medium in storage tank 10 is calculated
Measure m.
Further, above-mentioned steps S3: the current status information of storage tank 10 is compared with corresponding alarm limits, real
Existing storage tank monitoring, specifically includes:
Hypertonia alarm is carried out when pressure value p1 is higher than pressure limit；
When the density p of medium is greater than a certain range beyond the value of medium standards density in storage tank 10, it is abnormal to issue medium
Alarm；
When the liquid level h of medium is lower than liquid level limit value in storage tank 10, the too low alarm of liquid level is carried out；
When the surplus y of medium is lower than surplus limit value in storage tank 10, the too low alarm of surplus is carried out.
This embodiment scheme can be simple and effective and at low cost realization to pressure (p1), density (ρ) liquid level in storage tank 10
(h), volume (v), quality (m), surplus (y) monitoring, and the alarm of medium abnormal alarm in storage tank 10, hypertonia and surplus are not
Foot alarm, effectively avoids the generation of each accident in production process, improves productivity and quality.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of storage tank cloud monitors system characterized by comprising the first Internet of Things pressure liquid level being mounted on Tank
Meter, the second Internet of Things pressure content gauge, and respectively with the first Internet of Things pressure content gauge and the second Internet of Things pressure content gauge
The mounting height of the server that output end is wirelessly connected, the first Internet of Things pressure content gauge and the second Internet of Things pressure content gauge is poor
For △ h, server memory contains storage tank parameter list, and the parameter in storage tank parameter list includes storage tank height, tank diameter, installation height
Spend difference △ h and alarm limits；
First Internet of Things pressure content gauge and the second Internet of Things pressure content gauge be respectively used to detection storage tank in pressure value p1 and
P2, server are used to that it is current to calculate storage tank according to storage tank height, tank diameter, mounting height difference △ h and pressure value p1, p2
Status information, and status information is compared with alarm limits, realizes storage tank monitoring.
2. storage tank cloud as described in claim 1 monitors system, which is characterized in that the alarm limits include that medium standards are close
At least one of degree, pressure limit, liquid level limit value and surplus limit value.
3. storage tank cloud as described in claim 1 monitors system, which is characterized in that the first Internet of Things pressure content gauge and the
Two Internet of Things pressure content gauges include diffusion silicon sensor, signal acquiring board, wireless communication plate and power supply module；Spread silicon
Sensor is connect with signal acquiring board, and signal acquiring board is connect through wireless communication plate with the server, power supply module and signal
Collection plate is connected with wireless communication plate.
4. storage tank cloud as claimed in claim 3 monitors system, which is characterized in that be welded with microcontroller on the signal acquiring board
Device and converter, constant-current source, operational amplification circuit and adc circuit built in converter, microcontroller by SPI serial line interface with
Converter carries out data communication, and the UART communication interface of microcontroller is connect with the wireless communication plate, converter and the expansion
Dissipate silicon sensor connection.
5. storage tank cloud as claimed in claim 2 monitors system, which is characterized in that the server includes that Media density calculates mould
Block, medium liquid level computing module and medium surplus computing module, in which:
Media density computing module is used to according to pressure value p1, p2 and mounting height difference be △ h and acceleration of gravity, calculates storage
The density p of medium in tank；
Medium liquid level computing module is used to calculate the liquid of medium in storage tank according to Media density ρ, pressure value p1 and acceleration of gravity
Position h；
Medium surplus computing module is used for according to the liquid level h of medium in storage tank and the height of storage tank, calculates the remaining of medium in storage tank
Measure y.
6. storage tank cloud as claimed in claim 5 monitors system, which is characterized in that the server further includes that medium volume calculates
Module and mass of medium computing module, in which:
Medium volume computing module is used to calculate medium in storage tank according to the liquid level h of medium in the storage tank and the diameter of storage tank
Volume v；
Mass of medium computing module is used for the volume v according to medium in the density p and storage tank of medium in the storage tank, calculates storage tank
The quality m of interior medium.
7. storage tank cloud as claimed in claim 6 monitors system, which is characterized in that the server further includes close with medium respectively
Spend computing module, medium liquid level computing module, medium surplus computing module, medium liquid level Volume module and medium liquid level quality mould
The warning note module of block output end connection, warning note module are used for:
Hypertonia alarm is carried out when pressure value p1 is higher than pressure limit；
When the density p of medium is greater than a certain range beyond the value of medium standards density in storage tank, medium abnormal alarm is issued；
When the liquid level h of medium is lower than liquid level limit value in storage tank, the too low alarm of liquid level is carried out；
When the surplus y of medium is lower than surplus limit value in storage tank, the too low alarm of surplus is carried out.
8. a kind of storage tank cloud monitoring method characterized by comprising
Obtain the pressure value p1 of tank bottom and away from the pressure value p2 at bottom level △ h, and acquisition storage tank height and storage
Tank diameter；
According to storage tank height, tank diameter, mounting height difference △ h and pressure value p1, p2, the current state letter of storage tank is calculated
Breath；
The current status information of storage tank is compared with corresponding alarm limits, realizes storage tank monitoring.
9. storage tank cloud monitoring method as claimed in claim 8, which is characterized in that described according to storage tank height, tank diameter, peace
Difference in height △ h and pressure value p1, p2 are filled, the current status information of storage tank is calculated, comprising:
It is △ h and acceleration of gravity according to pressure value p1, p2 and mounting height difference, calculates the density p of medium in storage tank；
According to Media density ρ, pressure value p1 and acceleration of gravity, the liquid level h of medium in storage tank is calculated；
According to the liquid level h of medium in storage tank and the height of storage tank, the surplus y of medium in storage tank is calculated；
According to the liquid level h of medium in the storage tank and the diameter of storage tank, the volume v of medium in storage tank is calculated；
According to the volume v of medium in the density p of medium in the storage tank and storage tank, the quality m of medium in storage tank is calculated.
10. storage tank cloud monitoring method as claimed in claim 8, which is characterized in that the status information that storage tank is current with
Corresponding alarm limits are compared, and realize storage tank monitoring, comprising:
Hypertonia alarm is carried out when pressure value p1 is higher than pressure limit；
When the density p of medium is greater than a certain range beyond the value of medium standards density in storage tank, medium abnormal alarm is issued；
When the liquid level h of medium is lower than liquid level limit value in storage tank, the too low alarm of liquid level is carried out；
When the surplus y of medium is lower than surplus limit value in storage tank, the too low alarm of surplus is carried out.
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| CN201910779379.3A CN110470341A (en) | 2019-08-22 | 2019-08-22 | A kind of storage tank cloud monitoring system and method |
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| CN201910779379.3A CN110470341A (en) | 2019-08-22 | 2019-08-22 | A kind of storage tank cloud monitoring system and method |
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| CN113192302A (en) * | 2021-04-28 | 2021-07-30 | 中国民航大学 | Airport oil depot storage tank structure safety evaluation system and method based on liquid level monitoring |
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Application publication date: 20191119 |