CN113483274A - Water route thing networking supervisory equipment based on ultrasonic wave technique - Google Patents
Water route thing networking supervisory equipment based on ultrasonic wave technique Download PDFInfo
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- CN113483274A CN113483274A CN202110761945.5A CN202110761945A CN113483274A CN 113483274 A CN113483274 A CN 113483274A CN 202110761945 A CN202110761945 A CN 202110761945A CN 113483274 A CN113483274 A CN 113483274A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/18—Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y20/00—Information sensed or collected by the things
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y40/00—IoT characterised by the purpose of the information processing
- G16Y40/10—Detection; Monitoring
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Pipeline Systems (AREA)
Abstract
The invention provides a waterway internet of things monitoring device based on an ultrasonic technology, which comprises an ultrasonic pipeline and an energy converter, wherein the ultrasonic pipeline is used for sending/receiving ultrasonic wave signals in a downstream/upstream mode; the flow acquisition card is used for calculating the time difference between the downstream flow and the upstream flow of the ultrasonic waves and giving a periodic instantaneous flow value and an accumulated value; the main control card board is used for acquiring data of the flow acquisition card, judging the water using state at the equipment end, communicating with the cloud system and controlling the execution switch of the ball valve; the valve actuator executes the opening and closing of the ball valve based on the judgment result of the main control board card; the platform system is used for receiving data reported by the equipment, synchronously finishing judgment based on the judgment condition and finishing rechecking the water use state judged by the equipment end; and the system is used for analyzing the actual application condition based on the data reported by the user equipment, giving optimized data and updating the equipment. The invention has the beneficial effects that: the method has the capability of synchronously judging and checking the equipment side and the cloud side network, and improves the accuracy and the stability.
Description
Technical Field
The invention relates to the field of Internet of things, in particular to a waterway Internet of things monitoring device based on an ultrasonic technology.
Background
The product in the same field realizes the monitoring of small flow by using a turbine flowmeter and matching with a mechanical mechanism, and the mode can be greatly influenced by small particle impurities in water, and is easy to block, so that the monitoring failure is caused;
products in the same field are mostly independent equipment, the judgment algorithm is fixed, adjustment and optimization under actual use scenes cannot be learned, the corresponding capacity is limited according to different use scenes and working conditions, an independent optimization scheme cannot be provided when the products are put into use, and the use habits of users are not met.
Disclosure of Invention
The invention overcomes the defects in the prior art and provides the waterway internet of things monitoring equipment based on the ultrasonic technology.
The purpose of the invention is realized by the following technical scheme.
The utility model provides a water route thing networking supervisory equipment based on ultrasonic wave technique, includes:
the ultrasonic pipeline and the transducer are used for sending and receiving ultrasonic signals of ultrasonic waves under forward flow and reverse flow;
the flow acquisition card is used for calculating the movement speed and the time difference of the ultrasonic signals between the forward flow and the reverse flow according to the ultrasonic signals under the forward flow and the reverse flow, and calculating the instantaneous flow value, the accumulated flow value, T1 and delta T according to the movement speed and the time difference;
the periodic instantaneous flow values include Q1, Q2;
the accumulated flow value comprises Q3, namely the total flow after the last uninterrupted continuous summation of water;
the controller is used for acquiring the periodic instantaneous flow value and the accumulated flow value calculated by the flow acquisition card, judging the water use state at the equipment end to generate a water use state judgment result, and controlling the valve to execute opening and closing actions according to the water use state judgment result;
the valve actuator is used for receiving the judgment result from the controller so as to execute valve opening and closing actions;
the platform system is used for receiving the data reported by the controller, synchronously finishing judgment based on preset judgment conditions and finishing rechecking the water use state judgment result from the controller; the system is used for analyzing the actual application condition based on the data reported by the user equipment, giving optimized data and updating the equipment;
before the water use judgment, the water use judgment is carried out at the current time when the following conditions are not met, wherein the conditions are as follows:
△T≥T1*2；
the judgment conditions for judging abnormal water consumption by the platform system are as follows:
condition 1: q4 > Q5;
condition 2: q3 is more than or equal to Q6.
Preferably, the periodic instantaneous flow value calculated by the flow acquisition card further includes Δ Q, where Δ Q is Q1-Q2.
Preferably, in any of the above aspects, the platform system is further configured to determine a leakage, where the determination condition for leakage is:
condition 1: i < Q8;
condition 2: t2 is more than or equal to T3;
condition 3: q4 < Q5.
Preferably, in any one of the above aspects, the determination condition for determining the pipe burst by the platform system is: delta Q is more than or equal to Q9.
Preferably, in any of the above schemes, the Q7 is Q4 collected for the first time after entering the stationary phase.
Preferably, in any of the above embodiments, the conditions for entering the plateau phase with water are: | Δ Q | < Q8.
Preferably, in any of the above embodiments, the conditions for exiting the plateau with water are: the | Q7-Q4| ≧ Q8.
Preferably, in any of the above embodiments, Q1: the instantaneous flow collected at the current moment is calculated by the difference value of the upstream and downstream movement speeds and the time of the ultrasonic transducer to obtain the flow speed, and the flow value is obtained by multiplying the flow speed by the sectional area of the pipeline.
Preferably, in any of the above embodiments, Q2: the flow rate is calculated by the difference value of the upstream and downstream movement speeds and the time of the ultrasonic transducer, and the flow value is obtained by multiplying the flow rate and the sectional area of the pipeline and is the previous data of the current instantaneous flow data.
The invention has the beneficial effects that:
the scheme has the advantages that blockage and monitoring failure caused by small particle impurities in water can be avoided, and abnormal water use can be judged more accurately;
the scheme has an algorithm for judging waterway leakage and is capable of adapting to different use scenes and water using working conditions;
the scheme has the capability of synchronously judging and checking the equipment end and the cloud end network, improves the accuracy and the stability, can judge when the equipment is abnormal, and gives a prompt.
Drawings
FIG. 1 is a logic diagram of an algorithm for leak determination;
FIG. 2 is a logic diagram of an algorithm for abnormal water usage determination;
FIG. 3 is a logic diagram of an algorithm for burst determination;
FIG. 4 is a logic diagram of an algorithm for stationary phase decision;
fig. 5 is a logic diagram of the algorithm of the present water usage determination.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
A waterway Internet of things monitoring device based on an ultrasonic technology comprises an ultrasonic pipeline and an energy converter, wherein the ultrasonic pipeline is used for sending/receiving ultrasonic wave downstream/upstream ultrasonic signals;
the flow acquisition card is used for calculating the time difference between the downstream flow and the upstream flow of the ultrasonic waves and giving a periodic instantaneous flow value and an accumulated value;
the periodic instantaneous flow values calculated by the flow acquisition card comprise Q1, Q2, delta Q and Q7.
Q1: the instantaneous flow collected at the current moment is calculated by the difference value of the upstream and downstream movement speeds and the time of the ultrasonic transducer to obtain the flow speed, and the flow value is obtained by multiplying the flow speed by the sectional area of the pipeline.
Q2: the flow rate is calculated by the difference value of the upstream and downstream movement speeds and the time of the ultrasonic transducer, and the flow value is obtained by multiplying the flow rate and the sectional area of the pipeline and is the previous data of the current instantaneous flow data.
Δ Q: the difference of the flow rate, the difference of two adjacent instantaneous flow rates, and delta Q is Q1-Q2.
Q3: accumulating the flow, and continuously using water to sum the total flow;
delta T: the time difference of the instantaneous flow, the time difference of two adjacent instantaneous flows, and delta T is T4-T5;
t1: an instantaneous flow acquisition period, wherein the interval duration is set by two adjacent instantaneous flow acquisitions;
t2: accumulating the water consumption time in the stable stage, and continuously consuming the water in the stable stage;
t4: recording time of current instantaneous flow, and recording time of instantaneous flow acquired at the current moment;
t5: the recording time of the last instantaneous flow and the recording time of the last acquisition of the instantaneous flow.
Judging the condition of water entering a stable stage: i < Q8;
the conditions for the plateau phase of the exit water are judged as shown in fig. 4: the | Q7-Q4| ≧ Q8.
Q4: the stationary phase instantaneous flow is a flow acquired at stationary phase intervals of water use and is time series data.
Q7: simplifying the flow rate in the stationary phase, assigning the current instantaneous flow rate acquired for the first time after entering the stationary phase to 'Q7' when the 'delta Q' is less than Q8 in the case of Q1,
if(|△Q|＜Q8)
{
Q7＝Q1；
}
the accumulated value is Q3, namely the total flow rate after uninterrupted water continuous summation.
The main control card board is used for acquiring data of the flow acquisition card, judging the water using state at the equipment end, communicating with a cloud system and controlling the execution switch of the ball valve;
the valve actuator executes the opening and closing of the ball valve based on the judgment result of the main control board card;
the platform system is used for receiving data reported by the equipment, synchronously finishing judgment based on a judgment condition and finishing rechecking the water use state judged by the equipment end; and the system is used for analyzing the actual application condition based on the data reported by the user equipment, giving optimized data and updating the equipment.
Before the equipment realizes monitoring, the following threshold values are set:
t3: the leakage judgment set time is used for judging the leakage time length, the value range is 1-36000, and the leakage judgment set time can be modified through a cloud end;
q5: setting a threshold value for the boundary flow, judging the critical value of normal water and abnormal water, and modifying the critical value in a value range of 1-999999 through a cloud end;
q6: the single maximum set flow and the maximum value of the single water consumption are within the range of 1-999999 and can be modified through a cloud end;
q8: setting a threshold value for uniform fluctuation flow, and after entering a stable water use stage, allowing a flow fluctuation range to be within a value range of 1-600, and modifying through a cloud end; q9: the flow difference of pipe explosion is set as a threshold value, the minimum value of the flow difference under the pipe explosion condition, and the theoretical experience of the value range (1-999999) can be modified through a cloud.
Delta T: instantaneous flow time difference, namely the time difference of two adjacent instantaneous flows, wherein the time difference of delta T instantaneous flow is T current instantaneous flow recording time-T last instantaneous flow recording time;
t1: an instantaneous flow acquisition period, wherein the interval duration is set by two adjacent instantaneous flow acquisitions;
t2: accumulating the water consumption time in the stable stage, and continuously consuming the water in the stable stage;
t3: the leakage judgment set time is used for judging the leakage time length and can be modified through the cloud end;
t4: recording time of current instantaneous flow, and recording time of instantaneous flow acquired at the current moment;
t5: the last time of recording the instantaneous flow, and the last time of acquiring the recording time of the instantaneous flow;
Δ Q: the flow difference is the difference value of two adjacent instantaneous flows, and the delta Q flow difference is Q1-Q2;
q1: calculating the current instantaneous flow and the instantaneous flow acquired at the current moment by the difference between the upstream and downstream movement speeds of the ultrasonic transducer and the time to obtain the flow rate, and multiplying the flow rate by the sectional area of the pipeline to obtain a flow value;
q2: calculating the flow velocity through the difference value of the upstream and downstream movement speeds and the time of the ultrasonic transducer according to the last instantaneous flow, and obtaining a flow value which is the previous data of the current instantaneous flow data by multiplying the flow velocity by the sectional area of the pipeline;
q3: accumulating the flow, and continuously using water to sum the total flow;
q4: the steady-stage instantaneous flow, which is the flow acquired at intervals in the steady stage of water use, is time sequence data;
q5: setting a threshold value for the boundary flow, judging the critical value of normal water and abnormal water, and modifying through a cloud end;
q6: the single maximum set flow rate and the maximum value of the single water consumption can be modified through a cloud end;
q7: simplifying the flow in the stationary stage, and entering the current instantaneous flow acquired for the first time after the stationary stage;
q8: setting a threshold value for uniform fluctuation flow, and modifying an allowable flow fluctuation range through a cloud terminal after entering a stable water use stage;
q9: setting a threshold value for the flow difference of pipe explosion, wherein the minimum value of the flow difference under the pipe explosion condition can be modified through a cloud end;
example 1
The judgment condition for judging the leakage by the platform system is as follows:
condition 1: i < Q8;
condition 2: t2 is more than or equal to T3;
condition 3: q4 < Q5.
In the specific judgment process, Q1 is more than 0 and less than Q5, and < Q < DELTA Q8, T2 is calculated based on the acquisition times and T1, T2 is judged to be more than or equal to T3, and leakage is determined;
as shown in fig. 1 and 5, when Δ T ≧ T1 × 2 is satisfied, the user stops using water, exits the water use this time, and the determination is finished;
and when the delta T is less than T1 x 2, entering the water use judgment, when the conditions that the Q1 is more than 0 and less than Q5 and the delta Q is less than Q8 are monitored, calculating T2 based on the acquisition times and the T1, judging that the T2 is more than or equal to T3, determining that the water path is leaked, reporting the water path state to the cloud, rechecking the platform system, sending alarm information to a user, and if the water path state is inconsistent with the single detection of the equipment, sending the condition to an administrator.
If the < DELTA > Q < DELTA > is equal to or greater than Q8, or T2 is less than T3, or Q1 is equal to or greater than Q5, when the flow is accumulated at the time, Q1 is obtained again, and the data is reported to the platform system;
when the equipment end detects a leakage state and the platform system detects the leakage state, the platform system rechecks that the result is the leakage state;
preferably, the detection standards of the equipment side and the platform system are the same;
when any state of normal water use, abnormal water use and pipe explosion is detected by the equipment end and is inconsistent with the leakage state detected by the platform system, the rechecking result of the platform system is based on the result detected by the equipment end. The platform system rechecks to achieve the following purposes:
1. the purpose of checking the result;
2. monitoring equipment judgment results, wherein if clouds are different from the equipment, an alarm can be given, and technicians analyze and solve the clouds;
3. the comparison of the calculation results of the device side and the cloud side can be used as a judgment condition for judging whether the network stability and the device program are abnormal or not.
The cloud system remotely informs users bound with the products in an online mode including but not limited to apps, short messages, WeChats, mailboxes, telephones and the like, and controls the products to send out sound and light prompts.
Example 2
The judgment conditions for judging abnormal water consumption by the platform system are as follows:
condition 1: q1 > Q5;
condition 2: q3 is more than or equal to Q6.
The specific judging process comprises the following steps: when Q5 is detected to be more than Q1 and Q6 is detected to be less than or equal to Q3, the water is determined to be abnormal water;
as shown in fig. 2 and 5, when Δ T ≧ T1 × 2 is satisfied, the user stops using water, exits the water use this time, and the determination is finished;
and when the delta T is less than T1 x 2, entering the water use judgment, when the Q5 is less than Q1 and the Q6 is less than or equal to Q3, updating the waterway state, reporting the waterway state to the cloud, rechecking the platform system, sending alarm information to a user, and if the detected waterway state is inconsistent with the detection of the equipment list, sending the situation to an administrator.
If Q5 is not less than Q1 or Q6 is more than Q3, then Q1 is obtained again, and data are reported to the platform system;
when the equipment end detects that the water consumption state is abnormal and the platform system detects that the water consumption state is also abnormal, the platform system rechecks that the result is the abnormal water consumption state;
preferably, the detection standards of the equipment side and the platform system are the same;
when any state of normal water consumption/leakage/pipe explosion is detected by the equipment end and is inconsistent with the abnormal water consumption state detected by the platform system, the rechecking result of the platform system is based on the result detected by the equipment end.
The platform system rechecks to achieve the following purposes:
1. the purpose of checking the result;
2. monitoring equipment judgment results, wherein if clouds are different from the equipment, an alarm can be given, and technicians analyze and solve the clouds;
3. the comparison of the calculation results of the device side and the cloud side can be used as a judgment condition for judging whether the network stability and the device program are abnormal or not.
The cloud system remotely informs users bound with the products in an online mode including but not limited to apps, short messages, WeChats, mailboxes, telephones and the like, and controls the products to send out sound and light prompts.
Example 3
The judgment condition for judging tube explosion by the platform system is as follows: delta Q is more than or equal to Q9.
The specific judging process comprises the following steps: and when the delta Q is detected to be more than or equal to Q9, judging that the pipe is burst.
When Δ T ≧ T1 × 2 is satisfied as shown in fig. 3 and fig. 5, the user stops using water, exits the water use this time, and the determination is finished;
as shown in fig. 5, when Δ T is less than T1 × 2, the water use judgment is entered, when Δ Q is greater than or equal to Q9, the waterway state is updated, the execution valve is closed, the waterway state is reported to the cloud, the platform system rechecks and sends alarm information to the user, and if the situation is inconsistent with the detection of the equipment list, the situation is sent to the administrator.
If the delta Q is less than Q9, acquiring Q1 again, and reporting data to the platform system;
when the device end detects that the pipe explosion state is detected, and the platform system detects that the pipe explosion state is also detected, the platform system rechecks that the result is the pipe explosion state, and the valve is controlled to be closed to stop water flow.
When any state of normal water consumption/leakage/abnormal water consumption detected by the equipment end is inconsistent with the pipe bursting state detected by the platform system, the rechecking result of the platform system is based on the result detected by the equipment end.
Preferably, the detection standards of the equipment side and the platform system are the same;
the platform system rechecks to achieve the following purposes:
1. the purpose of checking the result;
2. monitoring equipment judgment results, wherein if clouds are different from the equipment, an alarm can be given, and technicians analyze and solve the clouds;
3. the comparison of the calculation results of the device side and the cloud side can be used as a judgment condition for judging whether the network stability and the device program are abnormal or not.
The cloud system remotely informs users bound with the products in an online mode including but not limited to apps, short messages, WeChats, mailboxes, telephones and the like, and controls the products to send out sound and light prompts.
In embodiments 1 to 3, the system that sends the cloud remotely notifies the user who binds the product in an online manner, which is specifically exemplified as follows:
1. notification content
a) WeChat, short message, app (same content)
i. Leakage risk indication
[ Intelligent Water System ] Risk prompt! Your waterway system that equipment is located may have the risk of water clock, seepage, please in time check and handle, time: 2021-6-2312: 09: 40!
Please see the details in the applet.
indication of abnormal water use
[ Intelligent Water System ] Risk prompt! The waterway system where your equipment is located may have an abnormal water use risk, please check and process in time, time: 2021-6-2312: 09: 40!
Please see details in the applet
Tube burst alarm
[ Intelligent Water System ] pipe burst Warning! Your waterway system of equipment place probably takes place the pipeline and bursts, in order to avoid the loss, has closed the waterway valve, please check in time, alarm time: 2021-6-2312: 09: 40!
Please see the details in the applet and after determining that there is no exception, the valve can be opened by the applet or manually.
b) Mailbox
i. Mail type: leakage risk indication
Mail subject: intelligent Water System leakage Risk indication!
E, mail content:
respected user:
[ Intelligent Water System ] Risk prompt! Your waterway system that equipment is located may have the risk of water clock, seepage, please in time check and handle, time: 2021-6-2312: 09: 40!
Please see the details in the applet.
If you have processed, please ignore the mail.
Thank you
Mail category: abnormal water use prompt
Mail subject: [ Intelligent Water System ] prompt for abnormal Water consumption!
E, mail content:
respected user:
[ Intelligent Water System ] Risk prompt! The waterway system where your equipment is located may have an abnormal water use risk, please check and process in time, time: 2021-6-2312: 09: 40!
Please see the details in the applet.
If you have processed, please ignore the mail.
Thank you
Mail categories: pipe burst alarm
Mail subject: [ Intelligent Water System ] pipe explosion alarm!
E, mail content:
respected user:
[ Intelligent Water System ] pipe burst Warning! Your waterway system of equipment place probably takes place the pipeline and bursts, in order to avoid the loss, has closed the waterway valve, please check in time, alarm time: @ var (time)!
Please see the details in the applet and after determining that there is no exception, the valve can be opened by the applet or manually.
If you have processed, please ignore the mail.
Thank you
c) Telephone set
i. Pipe burst alarm
[ Intelligent Water System ] pipe burst Warning! Your waterway system of equipment place probably takes place the pipeline and bursts, in order to avoid the loss, has closed the waterway valve, please check in time, alarm time: 2021-6-2312: 09: 40!
Please see the details in the applet and after determining that there is no exception, the valve can be opened by the applet or manually.
The three embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. The utility model provides a water route thing networking supervisory equipment based on ultrasonic wave technique which characterized in that: the method comprises the following steps:
the ultrasonic pipeline and the transducer are used for sending and receiving ultrasonic signals of ultrasonic waves under forward flow and reverse flow;
the flow acquisition card is used for calculating the movement speed and the time difference of the ultrasonic signals between the forward flow and the reverse flow according to the ultrasonic signals under the forward flow and the reverse flow, and calculating the instantaneous flow value, the accumulated flow value, T1 and delta T according to the movement speed and the time difference;
the periodic instantaneous flow values include Q1, Q2;
the accumulated flow value comprises Q3, namely the total flow after the last uninterrupted continuous summation of water;
the controller is used for acquiring the periodic instantaneous flow value and the accumulated flow value calculated by the flow acquisition card, judging the water use state at the equipment end to generate a water use state judgment result, and controlling the valve to execute opening and closing actions according to the water use state judgment result;
the valve actuator is used for receiving the judgment result from the controller so as to execute valve opening and closing actions;
the platform system is used for receiving the data reported by the controller, synchronously finishing judgment based on preset judgment conditions and finishing rechecking the water use state judgment result from the controller; the system is used for analyzing the actual application condition based on the data reported by the user equipment, giving optimized data and updating the equipment;
the meaning of the parameters:
delta T: instantaneous flow time difference, namely the time difference of two adjacent instantaneous flows, wherein the time difference of delta T instantaneous flow is T current instantaneous flow recording time-T last instantaneous flow recording time;
t1: an instantaneous flow acquisition period, wherein the interval duration is set by two adjacent instantaneous flow acquisitions;
t2: accumulating the water consumption time in the stable stage, and continuously consuming the water in the stable stage;
t3: the leakage judgment set time is used for judging the leakage time length and can be modified through the cloud end;
t4: recording time of current instantaneous flow, and recording time of instantaneous flow acquired at the current moment;
t5: the last time of recording the instantaneous flow, and the last time of acquiring the recording time of the instantaneous flow;
Δ Q: the flow difference is the difference value of two adjacent instantaneous flows, and the delta Q flow difference is Q1-Q2;
q1: calculating the current instantaneous flow and the instantaneous flow acquired at the current moment by the difference between the upstream and downstream movement speeds of the ultrasonic transducer and the time to obtain the flow rate, and multiplying the flow rate by the sectional area of the pipeline to obtain a flow value;
q2: calculating the flow velocity through the difference value of the upstream and downstream movement speeds and the time of the ultrasonic transducer according to the last instantaneous flow, and obtaining a flow value which is the previous data of the current instantaneous flow data by multiplying the flow velocity by the sectional area of the pipeline;
q3: accumulating the flow, and continuously using water to sum the total flow;
q4: the steady-stage instantaneous flow, which is the flow acquired at intervals in the steady stage of water use, is time sequence data;
q5: setting a threshold value for the boundary flow, judging the critical value of normal water and abnormal water, and modifying through a cloud end;
q6: the single maximum set flow rate and the maximum value of the single water consumption can be modified through a cloud end;
q7: simplifying the flow in the stationary stage, and entering the current instantaneous flow acquired for the first time after the stationary stage;
q8: setting a threshold value for uniform fluctuation flow, and modifying an allowable flow fluctuation range through a cloud terminal after entering a stable water use stage;
q9: setting a threshold value for the flow difference of pipe explosion, wherein the minimum value of the flow difference under the pipe explosion condition can be modified through a cloud end;
before the water use judgment, the water use judgment is carried out at the current time when the following conditions are not met, wherein the conditions are as follows:
△T≥T1*2；
the judgment conditions for judging abnormal water consumption by the platform system are as follows:
condition 1: q4 > Q5;
condition 2: q3 is more than or equal to Q6.
2. The waterway internet-of-things monitoring device based on ultrasonic technology as claimed in claim 1, wherein: the periodic instantaneous flow value calculated by the flow acquisition card further comprises a delta Q, wherein the delta Q is Q1-Q2.
3. The waterway internet-of-things monitoring device based on ultrasonic technology as claimed in claim 2, wherein: the platform system is further used for judging leakage, wherein the judgment leakage judgment condition is as follows:
condition 1: i < Q8;
condition 2: t2 is more than or equal to T3;
condition 3: q4 < Q5.
4. The waterway internet-of-things monitoring device based on ultrasonic technology as claimed in claim 2, wherein: the judgment condition for judging tube explosion by the platform system is as follows: delta Q is more than or equal to Q9.
5. The waterway internet-of-things monitoring device based on ultrasonic technology as claimed in any one of claims 1 to 4, wherein: the Q7 is the first acquired Q4 after entering the plateau.
6. The waterway internet-of-things monitoring device based on ultrasonic technology as claimed in claim 5, wherein: the conditions for entering the plateau with water are: | Δ Q | < Q8.
7. The waterway internet-of-things monitoring device based on ultrasonic technology of claim 6, wherein:
the conditions for exiting the plateau with water are: the | Q7-Q4| ≧ Q8.
8. The waterway internet-of-things monitoring device based on ultrasonic technology of claim 7, wherein: q1: the instantaneous flow collected at the current moment is calculated by the difference value of the upstream and downstream movement speeds and the time of the ultrasonic transducer to obtain the flow speed, and the flow value is obtained by multiplying the flow speed by the sectional area of the pipeline.
9. The waterway internet-of-things monitoring device based on ultrasonic technology of claim 8, wherein: q2: the flow rate is calculated by the difference value of the upstream and downstream movement speeds and the time of the ultrasonic transducer, and the flow value is obtained by multiplying the flow rate and the sectional area of the pipeline and is the previous data of the current instantaneous flow data.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102458469B1 (en) * | 2022-05-27 | 2022-10-25 | 주식회사 씨엠에스 | Waterway data update system |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2574016Y (en) * | 2002-10-22 | 2003-09-17 | 李锏锋 | Water run-out preventing monitor |
| CN106643937A (en) * | 2016-12-28 | 2017-05-10 | 重庆多邦科技股份有限公司 | Flow measuring method and device based on ultrasonic flowmeter |
| CN206862433U (en) * | 2017-05-25 | 2018-01-09 | 成都秦川物联网科技股份有限公司 | A kind of water meter management system and water meter based on Internet of Things |
| CN107770250A (en) * | 2017-09-20 | 2018-03-06 | 成都秦川物联网科技股份有限公司 | Leakage detection method and Internet of things system based on compound Internet of Things |
| CN107835221A (en) * | 2017-09-20 | 2018-03-23 | 成都秦川物联网科技股份有限公司 | Water leakage monitoring method and Internet of things system based on compound Internet of Things |
| CN108168630A (en) * | 2016-12-07 | 2018-06-15 | 辽宁思凯科技股份有限公司 | A kind of ultrasonic water meter detection device and assay method |
| CN208171352U (en) * | 2018-05-09 | 2018-11-30 | 深圳市奥迪科电子有限公司 | Ultrasonic intelligent water meter based on Internet of Things |
| CN210199965U (en) * | 2019-08-12 | 2020-03-27 | 北京源清慧虹信息科技有限公司 | Integrated underground fire hydrant monitoring device based on NB-IoT communication |
| CN210800732U (en) * | 2019-08-08 | 2020-06-19 | 深圳和而泰家居在线网络科技有限公司 | Water supply network leakage detection equipment and system |
| CN212203211U (en) * | 2020-05-18 | 2020-12-22 | 广州恩朗机电工程有限公司 | Energy-saving control valve based on Internet of things protocol |
| CN112283593A (en) * | 2020-09-24 | 2021-01-29 | 山东潍微科技股份有限公司 | Internet of things system for closing valve and detecting leakage of pipe network and leakage detection method thereof |
| CN112345015A (en) * | 2020-11-09 | 2021-02-09 | 湖南常德德山表业有限公司 | Intelligent Internet of things valve control system and method |
| CN212747927U (en) * | 2020-07-31 | 2021-03-19 | 广州钛尔锐科技有限公司 | Water flow monitoring and early warning system based on ultrasonic flow monitoring technology |
| US20210144566A1 (en) * | 2019-11-08 | 2021-05-13 | Nokia Solutions And Networks Oy | Wireless Signal Generation for Testing Base Stations that Support New Radio and Narrowband Internet of Things Signals |
-
2021
- 2021-07-06 CN CN202110761945.5A patent/CN113483274B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2574016Y (en) * | 2002-10-22 | 2003-09-17 | 李锏锋 | Water run-out preventing monitor |
| CN108168630A (en) * | 2016-12-07 | 2018-06-15 | 辽宁思凯科技股份有限公司 | A kind of ultrasonic water meter detection device and assay method |
| CN106643937A (en) * | 2016-12-28 | 2017-05-10 | 重庆多邦科技股份有限公司 | Flow measuring method and device based on ultrasonic flowmeter |
| CN206862433U (en) * | 2017-05-25 | 2018-01-09 | 成都秦川物联网科技股份有限公司 | A kind of water meter management system and water meter based on Internet of Things |
| CN107770250A (en) * | 2017-09-20 | 2018-03-06 | 成都秦川物联网科技股份有限公司 | Leakage detection method and Internet of things system based on compound Internet of Things |
| CN107835221A (en) * | 2017-09-20 | 2018-03-23 | 成都秦川物联网科技股份有限公司 | Water leakage monitoring method and Internet of things system based on compound Internet of Things |
| CN208171352U (en) * | 2018-05-09 | 2018-11-30 | 深圳市奥迪科电子有限公司 | Ultrasonic intelligent water meter based on Internet of Things |
| CN210800732U (en) * | 2019-08-08 | 2020-06-19 | 深圳和而泰家居在线网络科技有限公司 | Water supply network leakage detection equipment and system |
| CN210199965U (en) * | 2019-08-12 | 2020-03-27 | 北京源清慧虹信息科技有限公司 | Integrated underground fire hydrant monitoring device based on NB-IoT communication |
| US20210144566A1 (en) * | 2019-11-08 | 2021-05-13 | Nokia Solutions And Networks Oy | Wireless Signal Generation for Testing Base Stations that Support New Radio and Narrowband Internet of Things Signals |
| CN212203211U (en) * | 2020-05-18 | 2020-12-22 | 广州恩朗机电工程有限公司 | Energy-saving control valve based on Internet of things protocol |
| CN212747927U (en) * | 2020-07-31 | 2021-03-19 | 广州钛尔锐科技有限公司 | Water flow monitoring and early warning system based on ultrasonic flow monitoring technology |
| CN112283593A (en) * | 2020-09-24 | 2021-01-29 | 山东潍微科技股份有限公司 | Internet of things system for closing valve and detecting leakage of pipe network and leakage detection method thereof |
| CN112345015A (en) * | 2020-11-09 | 2021-02-09 | 湖南常德德山表业有限公司 | Intelligent Internet of things valve control system and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102458469B1 (en) * | 2022-05-27 | 2022-10-25 | 주식회사 씨엠에스 | Waterway data update system |
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