CN110512690A - Water supply network independent measure subregion current divider - Google Patents

Water supply network independent measure subregion current divider Download PDF

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Publication number
CN110512690A
CN110512690A CN201910837260.7A CN201910837260A CN110512690A CN 110512690 A CN110512690 A CN 110512690A CN 201910837260 A CN201910837260 A CN 201910837260A CN 110512690 A CN110512690 A CN 110512690A
Authority
CN
China
Prior art keywords
bypass line
signal
ultrasonic
water supply
transducer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910837260.7A
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Chinese (zh)
Inventor
高金良
陈健勋
邓立群
张天天
刁美玲
辛萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Da Da Water Supply And Drainage Technology Co Ltd
Shenzhen City Biliton Essence Jikong Instrument Co Ltd
Harbin Institute of Technology
Original Assignee
Harbin Da Da Water Supply And Drainage Technology Co Ltd
Shenzhen City Biliton Essence Jikong Instrument Co Ltd
Harbin Institute of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Da Da Water Supply And Drainage Technology Co Ltd, Shenzhen City Biliton Essence Jikong Instrument Co Ltd, Harbin Institute of Technology filed Critical Harbin Da Da Water Supply And Drainage Technology Co Ltd
Priority to CN201910837260.7A priority Critical patent/CN110512690A/en
Publication of CN110512690A publication Critical patent/CN110512690A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03BINSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00Water main or service pipe systems
    • E03B7/07Arrangement of devices, e.g. filters, flow controls, measuring devices, siphons, valves, in the pipe systems
    • E03B7/072Arrangement of flowmeters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow
    • G01F1/66Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through the meter in a continuous flow by measuring frequency, phaseshift, or propagation time of electromagnetic or other waves, e.g. ultrasonic flowmeters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00Details of, or accessories for, apparatus of the preceding groups insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/18Supports or connecting means for meters
    • G01F15/185Connecting means, e.g. bypass conduits

Abstract

A kind of water supply network independent measure subregion current divider, belongs to water supply network dividing technology field.The present invention constructs for the diversion design of existing water supply line with flow measurement design respectively, and difficulty of construction is big;And metering moment consistent problem is not can guarantee.Ultrasonic transducer is arranged on the bypass line wall of n access shunt body in it, two ultrasonic transducers are located at the two sides of respective branch pipeline, acute angle with bypass line wall is 45 °, and the axis of two ultrasonic transducers is overlapped, and is intersected with the axis of bypass line;Control cabinet emits signal for the positive forward direction transmission energy converter controlled in each bypass line, and reversed transmitting transducer receives signal;Reversed transmitting transducer described in Reverse Turning Control emits signal again, and forward direction transmission energy converter receives signal;Finally calculate the fluid flow obtained in each bypass line corresponding with intermediate time.The present invention is used for the flow measurement of water supply network.

Description

Water supply network independent measure subregion current divider
Technical field
The present invention relates to water supply network independent measure subregion current dividers, belong to water supply network dividing technology field.
Background technique
With the quickening of urbanization process, resident's water requirement increasingly increases;It is flat to water supply network to ensure that user's uses water More stringent requirements are proposed for steady operation.Wherein water supply network leakage loss controls the main problem as pipe network operation, is increasingly subject to water The attention of business department.
In existing pipe network model control method, the method for independent measure subregion (DMA) is widely applied.DMA is logical It crosses the method to break the whole up into parts and one big and complexity pipe network system is divided into several small and simple isolated areas, to transmission & distribution Water pipe is further separated into isolated area or is measured by the water that isolated area flows out, and carries out flow analysis to quantify water leakage It is flat, to determine where and when hunting leak, accurately to carry out active leak control.Ultrasonic flowmeter is as common measuring equipment In the dma using relatively broad.
Existing shunting and flow measurement to water supply line is designed as implementing respectively, i.e., first carries out flow shunt and set Meter, then flowmeter is set in corresponding position.The flow count number installed when water supply line is initially laid is unable to satisfy current DMA When measuring requirement at flow shunt, then need to add flowmeter.It adds flowmeter and needs excavated pavement at the scene, therefore deposit The problem of difficulty of construction is big, this aspect influences whether normal traffic, on the other hand also adds construction cost.
In addition, the flow shunt design of water supply network is usually that T-type or cross pipeline are arranged in pipe network, make three pipes Road or four pipelines are commonly connected to the same node.These pipelines that assignment of traffic is carried out at same node are flowed in DMA Measure the emphasis of monitoring.The flow measurement of each T-type or cross pipeline need to be realized by multiple ultrasonic flowmeters, existing way Flowmeter be individually present between each other, each flowmeter also needs to be separately configured flow meter data processing unit, thus each Flow meter data processing unit also exists independently of each other, this control for making to measure flowmeter the moment again it is difficult to ensure that consistent, To be impacted to the accuracy of quantitative analysis.
Therefore, against the above deficiency, it is desirable to provide a kind of current divider of new model makes water supply network construct in flow shunt While have the function of flow measurement, and ensure the consistency at flow measurement moment.
Summary of the invention
It constructs respectively for the diversion design and flow measurement design of existing water supply line, metering facility need to be installed additional subsequent When difficulty of construction is big;And respectively metering design independently, not can guarantee the metering moment consistent problem of continuous data, this Invention provides a kind of water supply network independent measure subregion current divider.
A kind of water supply network independent measure subregion current divider of the invention, including n access shunt body, ultrasonic wave transducer Device and control cabinet,
Two ultrasonic wave transducers are set on each bypass line wall of the road at least n-1 bypass line of n access shunt body Device, described two ultrasonic transducers are located at the two sides of respective branch pipeline, and the acute angle with bypass line wall is 45 °, The axis of described two ultrasonic transducers is overlapped, and is intersected with the axis of bypass line;
Using the ultrasonic transducer of node close on each bypass line wall as forward direction transmission energy converter, far from node Ultrasonic transducer is as reversed transmitting transducer;
Control cabinet is arranged on the outer wall of n access shunt body;The control cabinet controls each bypass line for positive On forward direction transmission energy converter emit signal, reversed transmitting transducer receives signal;Reversely emit transducing described in Reverse Turning Control again Device emits signal, and forward direction transmission energy converter receives signal;Then respectively according to two ultrasonic transducers in each bypass line The signal of transmitting obtains the forward and reverse propagation time of liquid in each bypass line, finally calculates and obtains and intermediate time pair The fluid flow in each bypass line answered;When the intermediate time is formed by positive intermediate time to reversed intermediate time The intermediate value of section;The forward direction intermediate time is the intermediate value of positive communication process start/stop time;The reversed intermediate time is reversed The intermediate value of communication process start/stop time, the n are the integer more than or equal to 3.
Water supply network independent measure subregion current divider according to the present invention, the n access shunt body are three-way point Ultrasonic transducer is arranged at least two bypass line walls of the three-way shunt body in flow tube body.
Water supply network independent measure subregion current divider according to the present invention, the n access shunt body are four accesses point Ultrasonic transducer is arranged at least three bypass line walls of the four accesses shunt body in flow tube body.
Water supply network independent measure subregion current divider according to the present invention, each bypass line of n access shunt body Port configures flange.
Water supply network independent measure subregion current divider according to the present invention, the ultrasonic transducer pass through bypass line The transducer interface of upper setting is connect with bypass line wall, and rubber strip is used between ultrasonic transducer and transducer interface Sealing.
Water supply network independent measure subregion current divider according to the present invention, the control cabinet includes power interface and transducing Device connection jaws, power interface with city for being electrically connected;Signal passing interface of the energy converter connection jaws as ultrasonic transducer.
Water supply network independent measure subregion current divider according to the present invention, the control cabinet further include data processing list Member, the data processing unit include microcontroller, signal transmission circuit, electronic switching circuit, signal amplification circuit and time Measuring circuit,
For controlling, electronic switching circuit executes positive ultrasonic wave transfer circuit to the microcontroller or reverse ultrasound passes Circuit is passed, signal transmission circuit is then controlled and generates transmitting electric signal, the transmitting electric signal is passing through electronic switching circuit just To ultrasonic wave transfer circuit enter each bypass line on forward direction transmission energy converter or pass through electronic switching circuit it is reversed surpass Sound wave transfer circuit enters the reversed transmitting transducer in each bypass line, and corresponding transmitting transducer will emit electric signal and turn It is changed to ultrasonic signal, then is received by another corresponding ultrasonic transducer, another described ultrasonic transducer will receive Ultrasonic signal be converted to reception electric signal, the reception electric signal is again via electronic switching circuit entering signal amplifying circuit It amplifying, the amplified signal of acquisition is received by time measuring circuit, at the time of time measuring circuit record receives amplified signal, Microcontroller is passed to, microcontroller is corresponded to according to the sending instant of transmitting electric signal and the time of reception of amplified signal In the forward and reverse ultrasonic propagation time of two ultrasonic transducers in each bypass line, and then calculates and obtain and centre Fluid flow in moment corresponding each bypass line.
Water supply network independent measure subregion current divider according to the present invention, the data processing unit further include storage Device, memory are used to store the fluid flow data of microcontroller transmitting.
Water supply network independent measure subregion current divider according to the present invention, the data processing unit further includes wireless communication Number transmitter, wireless signal transmitter are used to the fluid flow data that memory transmits being transferred to detection and control terminal.
Water supply network independent measure subregion current divider according to the present invention, the ultrasonic transducer distance n access point The distance of flow tube body node or external port is at least 10D, and the D is bypass line internal diameter.
Beneficial effects of the present invention: current divider of the present invention can be used as conduit fittings, and collection shunts and flow measurement Function is in one.It realizes the integrative installation technology of shunting device and measuring equipment, i.e., matches simultaneously to each shunt body Liquid flow mearuement is carried out for ultrasonic transducer, simplifies installation procedure, and is avoided split type in measuring equipment deficiency When need site operation again installation, help to improve construction efficiency.
The present invention is controlled for the ultrasonic transducer in all bypass lines of shunt body using a set of control equipment Data processing is made and carried out, the reuse to equipment is reduced and helps to reduce cost.The present invention is in control cabinet simultaneously Under control, flow measurement can be carried out to the place bypass line on the same node of shunt body in synchronization, it is ensured that flow The time consistency of measurement.
Detailed description of the invention
Fig. 1 is that water supply network independent measure subregion current divider of the present invention is shown using the structure of four access shunt bodies It is intended to;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the A-A cross-sectional view of Fig. 1;
Fig. 5 is that water supply network independent measure subregion current divider of the present invention is shown using the structure of three-way shunt body It is intended to;Ultrasonic transducer is respectively provided on three bypass line walls of three-way shunt body in figure;
Fig. 6 is the top view of Fig. 5;
Fig. 7 is the left view of Fig. 5;
Fig. 8 is the B-B cross-sectional view of Fig. 5;
Fig. 9 is the exemplary block diagram of data processing unit.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art without creative labor it is obtained it is all its His embodiment, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
Specific embodiment one, in conjunction with shown in Fig. 1 to Fig. 9, the present invention provides a kind of water supply network independent measure subregions With current divider, including n access shunt body 100, ultrasonic transducer 200 and control cabinet 300,
Two ultrasonic waves are set on each bypass line wall of the road at least n-1 bypass line of n access shunt body 100 Energy device 200, described two ultrasonic transducers 200 are located at the two sides of respective branch pipeline, the acute angle with bypass line wall It is 45 °, the axis of described two ultrasonic transducers 200 is overlapped, and is intersected with the axis of bypass line;
It will be used as forward direction transmission energy converter close to the ultrasonic transducer 200 of node on each bypass line wall, far from section The ultrasonic transducer 200 of point is used as reversed transmitting transducer;
Control cabinet 300 is arranged on the outer wall of n access shunt body 100;The control cabinet 300 is each for positive control Forward direction transmission energy converter in bypass line emits signal, and reversed transmitting transducer receives signal;It is reversed described in Reverse Turning Control again Transmitting transducer emits signal, and forward direction transmission energy converter receives signal;Then respectively according to two ultrasounds in each bypass line The signal of wave transducer transmitting obtains the forward and reverse propagation time of liquid in each bypass line, finally calculates and obtains in Between fluid flow in moment corresponding each bypass line;The intermediate time is positive intermediate time to reversed intermediate time The intermediate value of formed period;The forward direction intermediate time is the intermediate value of positive communication process start/stop time;When described reversed intermediate The intermediate value for back-propagation process start/stop time is carved, the n is the integer more than or equal to 3.
Present embodiments provide for the current dividers that shunting and flow measurement can be carried out simultaneously to water supply network, to each branch Pipeline can measure the fluid flow by the bypass line by way of two ultrasonic transducers 200 are arranged simultaneously;Wherein Ultrasonic transducer 200 is arranged to the acute angle of bypass line wall be 45 °, is because needing to use in flow rate calculation The cosine value of angle selects 45 ° of complexities that can greatly reduce calculating process.In actual implementation, the folder of other suitable angles Angle also can satisfy setting requirements.By two ultrasonic transducers 200 in same bypass line be set as axis be overlapped, be because It is ultrasonic wave along straightline propagation, need to guarantees two transducer axis on the same line.Make the axis of the axis and bypass line Intersection can guarantee that ultrasonic wave crosses axis section by branch pipe, this cross sectional flow rate can be used as straight liquid in pipe mean flow rate.If For other only axis interfaces, calculating flow value can be excessive or too small.
The control cabinet 300 can realize the control to ultrasonic transducer by corresponding control assembly and execution circuit System, and then realize that control cabinet 300 can be set to rectangular to the liquid flow measurement in each bypass line.It is to each branch Two ultrasonic transducers 200 on pipeline carry out positive and Reverse Turning Control respectively.It is every to carry out primary forward and reverse control, it can calculate Obtain a data on flows.
Control cabinet interface can be preset on the outer wall of the n access shunt body 100, for realizing control cabinet 300 With the connection of n access shunt body 100.
All bypass lines of the n access shunt body 100 should be in same level, at this time usually by control cabinet 300 are connect by the top of the horizontal plane with n access shunt body 100, and welding manner can be used and be attached.
The n access shunt body 100 can have there are three bypass line or four bypass lines, and can also have more can be real The bypass line applied.
Flow measurement and diverter function have been carried out integrated design by present embodiment, are avoided because the two is not pacified simultaneously The problem of filling, road surface caused to excavate repeatedly.For the water supply line newly planned, after installing current divider of the present invention, shunting Position has all been provided simultaneously with function of measuring, so will not occur needing the case where separately installing measuring equipment again, therefore reduces Construction procedure, and save the construction time.
As an example, in conjunction with shown in Fig. 5 to Fig. 8, the n access shunt body 100 is three-way shunt body, described three Ultrasonic transducer 200 is set at least two bypass line walls of access shunt body.The three-way shunt body can be with For T-type tube body.
For three-way shunt body, it can also be respectively provided with ultrasonic transducer 200 in all bypass lines, realize stream Meter amount.
As an example, in conjunction with shown in Fig. 1 to Fig. 4, the n access shunt body 100 is four access shunt bodies, described four Ultrasonic transducer 200 is set at least three bypass line walls of access shunt body.The four accesses shunt body can be with For cross tube body.
For four access shunt bodies, wherein three tunnel bypass lines setting ultrasonic transducer 200 may be selected and flowed with measuring Amount, the fluid flow of another bypass line can be calculated by energy conservation relation to be obtained.It can also be in four tunnel bypass lines Ultrasonic transducer 200 is set simultaneously, the fluid flow in each bypass line is measured respectively.
Further, in conjunction with shown in Fig. 1 to Fig. 8, each bypass line port of n access shunt body 100 configures flange.Match Flange is set, the connection for realizing pipeline in shunt body 100 and water supply network can be facilitated.With the remittance of each bypass line of shunt body 100 For the point of collection as node, the bypass line port is the port far from node.
Further, in conjunction with shown in Fig. 2 and Fig. 6, the ultrasonic transducer 200 passes through the transducing being arranged in bypass line Device interface 110 is connect with bypass line wall, and close using rubber strip between ultrasonic transducer 200 and transducer interface 110 Envelope.
The transducer interface 110 can preset molding in bypass line, in order to the peace of ultrasonic transducer 200 Dress.Transducer interface 110 is provided directly as to meet the installation requirement of ultrasonic transducer 200 in 45 ° with bypass line. By means of transducer interface 110,200 one end of ultrasonic transducer is connected to bypass line, and the other end can pass through conducting wire and control Case 300 connects, to carry out data transmitting.
There may be gaps between ultrasonic transducer 200 and transducer interface 110, are carried out using rubber strip to gap close Envelope, can prevent the leakage of liquid, avoid the accuracy for influencing to measure.
Further, in conjunction with shown in Fig. 2 and Fig. 6, the control cabinet 300 includes power interface 310 and energy converter connection jaws 320, power interface 310 with city for being electrically connected;Energy converter connection jaws 320 connect as the signal transmitting of ultrasonic transducer 200 Mouthful.
The power interface 310 is used to provide the interface for powering to power unit in control cabinet 300, and power interface 310 can Using mains-supplied.Energy converter connection jaws 320 for realizing corresponding assembly in ultrasonic transducer 200 and control cabinet 300 company It connects, to carry out data transmission.The power interface 310 and energy converter connection jaws 320 may be provided on the bottom surface of control cabinet 300, The number of energy converter connection jaws 320 can be adapted with the number of ultrasonic transducer 200.
Further, as shown in connection with fig. 9, the control cabinet 300 further includes data processing unit 330, the data processing Unit 330 includes microcontroller 331, signal transmission circuit 332, electronic switching circuit 333, signal amplification circuit 334 and time Measuring circuit 335,
The microcontroller 331 is used to control electronic switching circuit 333 and executes positive ultrasonic wave transfer circuit or reversed super Then sound wave transfer circuit controls signal transmission circuit 332 and generates transmitting electric signal, the transmitting electric signal passes through electronic switch The positive ultrasonic wave transfer circuit of circuit 333 enters the forward direction transmission energy converter or powered-down by electronic cutting in each bypass line The reverse ultrasound transfer circuit on road 333 enters the reversed transmitting transducer in each bypass line, corresponding transmitting transducer Transmitting electric signal is converted into ultrasonic signal, then is received by another corresponding ultrasonic transducer 200, described another surpasses Received ultrasonic signal is converted to reception electric signal by acoustic wave transducer 200, and the reception electric signal is again via electronic switch 333 entering signal amplifying circuit 334 of circuit amplifies, and the amplified signal of acquisition is received by time measuring circuit 335, and the time surveys At the time of measuring the record reception amplified signal of circuit 335, microcontroller 331 is passed to, microcontroller 331 is according to transmitting electric signal The time of reception of sending instant and amplified signal obtains corresponding to two ultrasonic transducers 200 in each bypass line just To with the reverse ultrasound propagation time, and then calculate the fluid flow obtained in corresponding with intermediate time each bypass line.
The control electronic switching circuit 333 can execute positive ultrasonic wave transmitting electricity by the control of microcontroller 331 Road or reverse ultrasound transfer circuit, wherein forward direction transmission energy converter is passed as positive when executing positive ultrasonic wave transfer circuit Transmitting transducer when passing, then another corresponding ultrasonic transducer 200 (reversed transmitting transducer) is as reception energy converter; Correspondingly, reversed transmitting transducer is as transmitting transducer, and a ultrasonic wave transducer when executing reverse ultrasound transfer circuit Device 200 (forward direction transmission energy converter) is as reception energy converter.
As shown in connection with fig. 9, it by taking three pairs of ultrasonic transducers 200 have been respectively configured in cross shunt body as an example, carries out just It is specifically described below to the measurement with the reverse ultrasound propagation time:
Forward-propagating time measurement process: electronic switching circuit 333 is controlled by microcontroller 331 and executes positive ultrasonic wave biography Passing circuit makes ultrasonic signal be transferred to reversed transmitting transducer by forward direction transmission energy converter in each bypass line, then micro-control Device 331 processed controls signal transmission circuit 332 again and generates electric signal, and electric signal passes through ultrasonic wave positive in electronic switching circuit 333 Transfer circuit enters forward direction transmission energy converter, which converts electrical signals to ultrasonic signal, ultrasonic wave letter Number by being received after liquid in bypass passage by the reversed transmitting transducer of another corresponding ultrasonic transducer, reversed transmitting is changed The ultrasonic signal received is converted to electric signal by energy device, which puts via 333 entering signal of electronic switching circuit again Big circuit 334 amplifies ultra-weak electronic signal, and time measuring circuit 335 records ultrasonic wave forward-propagating in each bypass passage and passes through At the time of fluid to be measured, and it is transferred to microcontroller 331 and the electric signal moment is emitted by 331 binding signal transmit circuit of microcontroller And the ultrasonic wave forward-propagating received calculates the forward-propagating time at the time of pass through fluid to be measured;
Backpropagation time measurement process: electronic switching circuit 333 is controlled by microcontroller 331 and executes reverse ultrasound biography Passing circuit makes ultrasonic signal be transferred to forward direction transmission energy converter by transmitting transducer reversed in each bypass line, i.e., with forward direction Comparison is propagated, signal transmitting transducer becomes signal and receives energy converter, and signal, which receives energy converter, becomes signal transmitting transducer, so Microcontroller 331 controls signal transmission circuit 332 again and generates electric signal afterwards, and electric signal passes through reversed in electronic switching circuit 333 Ultrasonic wave transfer circuit enters the reversed transmitting transducer of each bypass passage, which converts electrical signals to super Acoustic signals, for ultrasonic signal by being received after liquid in bypass passage by forward direction transmission energy converter, forward direction transmission energy converter will The ultrasonic signal received is converted to electric signal, and the electric signal is again via 333 entering signal amplifying circuit of electronic switching circuit 334 amplify ultra-weak electronic signal, and time measuring circuit 335 records ultrasonic wave in each bypass passage and counter-propagates through test solution At the time of body, and be transferred to microcontroller 331, by 331 binding signal transmit circuit of microcontroller emit the electric signal moment and The ultrasonic wave received counter-propagates through the backpropagation time out calculated at the time of fluid to be measured;
At the time of microcontroller 331 generates electric signal according to signal transmission circuit 332 and the ultrasonic wave that receives pass through by At the time of surveying liquid, ultrasonic wave passing time forward or backwards in each bypass passage is obtained, then successively calculates and obtains phase The fluid flow answered.Each time data and corresponding liquid flow magnitude can be stored in memory 336.Microcontroller 331 can pass through The data timing stored in memory 336 is sent to observing and controlling by wireless signal transmitter 337 by the setting of interval time, control Terminal.
As shown in connection with fig. 4, when n access shunt body 100 is cross, wherein three bypass lines can pass through setting Ultrasonic transducer 200 measures its interior fluid flow;For Article 4 bypass line, (it can flow into and save by node flow conservation Point flow is equal with outflow node flow) relationship calculated, the fluid flow of acquisition Article 4 bypass line.When n access point When flow tube body 100 is T font, as shown in figure 8, two of them bypass line can be by the ultrasonic transducer 200 that is arranged thereon Measure its interior fluid flow;For Article 3 bypass line, (node and outflow node flow can be flowed by node flow conservation It is equal) relationship calculated, obtain the fluid flow of Article 3 bypass line.
It can also each be using the shape that ultrasonic transducer is arranged in all bypass lines for n access shunt body 100 Formula directly measures and calculates the corresponding fluid flow of acquisition.
Further, as shown in connection with fig. 9, the data processing unit 330 further includes memory 336, and memory 336 is used for Store the fluid flow data that microcontroller 331 transmits.For the transmitting of follow-up data.
Further, as shown in connection with fig. 9, the data processing unit 330 further includes wireless signal transmitter 337, wirelessly Signal projector 337 is used to the fluid flow data that memory 336 transmits being transferred to detection and control terminal.To realize upper level Acquisition and further corresponding control of the control layer to water supply network fluid flow data.
Further, in conjunction with shown in Fig. 2 and Fig. 6,200 distance n access shunt body of ultrasonic transducer, 100 node Or the distance of external port is at least 10D, the D is bypass line internal diameter.
The ultrasonic transducer 200 and the nodal distance or external port distance of n access shunt body 100 can be according to ultrasounds The related specification of wave flowmeter is adjusted.
In conclusion current divider of the present invention has both shunting and function of measuring, it can be achieved that shunting part and measurement unit The integrative installation technology divided helps to simplify construction site installation procedure.In addition, realizing being total to for data processing unit in the present invention With the fluid flow of n bypass line can be measured simultaneously by the synchronously control of a data processing unit, it is ensured that metering The consistency at moment, and greatly saved engineering cost.
Although describing the present invention herein with reference to specific embodiment, it should be understood that, these realities Apply the example that example is only principles and applications.It should therefore be understood that can be carried out to exemplary embodiment Many modifications, and can be designed that other arrangements, without departing from spirit of the invention as defined in the appended claims And range.It should be understood that different appurtenances can be combined by being different from mode described in original claim Benefit requires and feature described herein.It will also be appreciated that the feature in conjunction with described in separate embodiments can be used In other described embodiments.

Claims (10)

1. a kind of water supply network independent measure subregion current divider, which is characterized in that including n access shunt body (100), ultrasound Wave transducer (200) and control cabinet (300),
Two ultrasonic wave transducers are set on each bypass line wall of the road at least n-1 bypass line of n access shunt body (100) Device (200), described two ultrasonic transducers (200) are located at the two sides of respective branch pipeline, press from both sides with the acute angle of bypass line wall Angle is 45 °, and the axis of described two ultrasonic transducers (200) is overlapped, and is intersected with the axis of bypass line;
It will be used as forward direction transmission energy converter close to the ultrasonic transducer (200) of node on each bypass line wall, far from node Ultrasonic transducer (200) be used as reversed transmitting transducer;
Control cabinet (300) is arranged on the outer wall of n access shunt body (100);The control cabinet (300) is every for positive control Forward direction transmission energy converter in a bypass line emits signal, and reversed transmitting transducer receives signal;It is anti-described in Reverse Turning Control again Emit signal to transmitting transducer, forward direction transmission energy converter receives signal;Then super according to two in each bypass line respectively The signal of acoustic wave transducer transmitting obtains forward and reverse propagation time of liquid in each bypass line, finally calculate obtain with Fluid flow in the corresponding each bypass line of intermediate time;The intermediate time be positive intermediate time to it is reversed intermediate when Carve the intermediate value of formed period;The forward direction intermediate time is the intermediate value of positive communication process start/stop time;The reversed centre Moment is the intermediate value of back-propagation process start/stop time, and the n is the integer more than or equal to 3.
2. water supply network independent measure subregion current divider according to claim 1, which is characterized in that the n access point Flow tube body (100) is three-way shunt body, and ultrasound is arranged at least two bypass line walls of the three-way shunt body Wave transducer (200).
3. water supply network independent measure subregion current divider according to claim 1, which is characterized in that the n access point Flow tube body (100) is four access shunt bodies, and ultrasound is arranged at least three bypass line walls of the four accesses shunt body Wave transducer (200).
4. water supply network independent measure subregion current divider according to claim 2 or 3, which is characterized in that n access shunts Each bypass line port of tube body (100) configures flange.
5. water supply network independent measure subregion current divider according to claim 4, which is characterized in that the ultrasonic waves Energy device (200) is connect by the transducer interface (110) being arranged in bypass line with bypass line wall, and ultrasonic transducer (200) it is sealed between transducer interface (110) using rubber strip.
6. water supply network independent measure subregion current divider according to claim 5, which is characterized in that the control cabinet It (300) include power interface (310) and energy converter connection jaws (320), power interface (310) with city for being electrically connected;Energy converter Signal passing interface of the connection jaws (320) as ultrasonic transducer (200).
7. water supply network independent measure subregion current divider according to claim 6, which is characterized in that the control cabinet It (300) further include data processing unit (330), the data processing unit (330) includes microcontroller (331), signal transmitting Circuit (332), electronic switching circuit (333), signal amplification circuit (334) and time measuring circuit (335),
The microcontroller (331) is for controlling the positive ultrasonic wave transfer circuit of electronic switching circuit (333) execution or reversely surpassing Then sound wave transfer circuit controls signal transmission circuit (332) and generates transmitting electric signal, the transmitting electric signal passes through electronic cutting The forward direction transmission energy converter or pass through electronic cutting that the positive ultrasonic wave transfer circuit of powered-down road (333) enters in each bypass line The reverse ultrasound transfer circuit of powered-down road (333) enters the reversed transmitting transducer in each bypass line, corresponding to emit Energy converter will emit electric signal and be converted to ultrasonic signal, then be received by another corresponding ultrasonic transducer (200), described Received ultrasonic signal is converted to reception electric signal by another ultrasonic transducer (200), and the reception electric signal passes through again It is amplified by electronic switching circuit (333) entering signal amplifying circuit (334), the amplified signal of acquisition is by time measuring circuit (335) it receives, at the time of time measuring circuit (335) record receives amplified signal, passes to microcontroller (331), microcontroller Device (331) obtained and corresponds in each bypass line according to the sending instant of transmitting electric signal and the time of reception of amplified signal The forward and reverse ultrasonic propagation time of two ultrasonic transducers (200), and then it is corresponding with intermediate time to calculate acquisition Fluid flow in each bypass line.
8. water supply network independent measure subregion current divider according to claim 7, which is characterized in that the data processing Unit (330) further includes memory (336), and memory (336) is used to store the fluid flow number of microcontroller (331) transmitting According to.
9. water supply network independent measure subregion current divider according to claim 8, which is characterized in that the data processing Unit (330) further includes wireless signal transmitter (337), what wireless signal transmitter (337) was used to transmit memory (336) Fluid flow data is transferred to detection and control terminal.
10. water supply network independent measure subregion current divider according to claim 9, which is characterized in that the ultrasonic wave The distance of energy converter (200) distance n access shunt body (100) node or external port is at least 10D, and the D is bypass line Internal diameter.
CN201910837260.7A 2019-09-05 2019-09-05 Water supply network independent measure subregion current divider Pending CN110512690A (en)

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CN201910837260.7A CN110512690A (en) 2019-09-05 2019-09-05 Water supply network independent measure subregion current divider

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Application Number Priority Date Filing Date Title
CN201910837260.7A CN110512690A (en) 2019-09-05 2019-09-05 Water supply network independent measure subregion current divider

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