CN208672667U - A kind of distribution acoustics doppler flow amount monitoring device - Google Patents

A kind of distribution acoustics doppler flow amount monitoring device Download PDF

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Publication number
CN208672667U
CN208672667U CN201821343967.XU CN201821343967U CN208672667U CN 208672667 U CN208672667 U CN 208672667U CN 201821343967 U CN201821343967 U CN 201821343967U CN 208672667 U CN208672667 U CN 208672667U
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CN
China
Prior art keywords
pipeline
doppler flow
flow sensor
sensor
acoustic doppler
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Expired - Fee Related
Application number
CN201821343967.XU
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Chinese (zh)
Inventor
恒琪
卢朋川
崔渭龙
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Beijing Huayu Print-Rite Technology Co Ltd
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Beijing Huayu Print-Rite Technology Co Ltd
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Priority to CN201821343967.XU priority Critical patent/CN208672667U/en
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Publication of CN208672667U publication Critical patent/CN208672667U/en
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Abstract

The utility model provides a kind of distributed acoustics doppler flow amount monitoring device, comprising: at least one acoustic Doppler flow sensor is laid on pipeline by mounting bracket;The first extension connecting with pipeline is set at the top of pipeline;Liquid level sensor is provided in first extension;And data acquisition process unit;Pedestal, ball valve, hermetic collar and the acoustic Doppler flow sensor of mounting bracket are sequentially connected, acoustic Doppler flow sensor is connected to the data acquisition process unit by cable, and the liquid level sensor transfers data to the data acquisition process unit.The utility model is set up an office by measuring duct acoustics Doppler flow sensor cloth and is layered flow velocity in the depth of water, encryption unit space acquisition points, raising resolution ratio, to reach better measurement effect;By the way that acoustic Doppler flow sensor distributed pipeline is uniformly distributed, the measurement of realization pipeline fluid flow.

Description

A kind of distribution acoustics doppler flow amount monitoring device
Technical field
The utility model relates to a kind of fluid flow monitoring devices, more particularly to a kind of distributed acoustics for pipeline Doppler's flow monitoring device.
Background technique
Acoustic Doppler flowmeter can be measured without flow impedance, no pressure loss;It can measure conductive liquid;It can be used for surveying Measure various fluid flows;Quick and easy for installation, can not stop production installation, maintenance, repair;High flow rate measurement, maximum detection 10m/s stream The fluid of speed.In view of acoustic Doppler method flowmeter measuring principle, the particulate matter for needing to have suspension in water, so being adapted to sewage Or the water body containing particle or bubble.Especially to urban sewage, industrial wastewater, ore pulp, crude oil, mud, oil water mixture etc. The well adapting to property of liquid of bubbles, impurity, particle.
Acoustic Doppler flowmeter is a kind of completely self-contained flowmeter, can record the instantaneous stream of fluid in pipeline simultaneously The many kinds of parameters such as amount, integrated flow, mean flow rate and water temperature, water level, measuring principle are how general with the acoustics in physics Based on strangling effect, according to acoustical Doppler effect, when there is relative motion between sound source and observer, observer is experienced Acoustic frequency will differ from the frequency that sound source is issued.The variation of this frequency generated by relative motion is opposite with two articles Speed is directly proportional, and in acoustic Doppler ultrasonic flow measuring method, ultrasonic transmitter is a stationary sound source, with fluid one The solid particle for playing movement, which has risen, has relative motion with sound source " observer ", solid particle handle is incident on its surface Ultrasonic reflections return receiver, emit sound wave and receive sound wave between difference on the frequency precisely due in fluid solid particle transport The dynamic and sound wave acoustic Doppler frequency displacement that generates is since this difference on the frequency is proportional to fluid flow rate, so measurement frequency difference can be in the hope of Obtain flow velocity, and then the flow Q of available fluid.
In actual flowmeter installation process, need in the duct to be not flow in off working state, that is, pipeline It when body, is punched in the duct, mounting bracket is set to carry out the installation of acoustic Doppler flowmeter, however, many reality In the case of, it needs in pipeline work, carries out the installation of acoustic Doppler flowmeter, it is existing that installation group is set inside pipeline The mode that part is installed cannot achieve, and therefore, it is necessary to research and develop the stream that can be suitable for having normal flow in the duct In the case of body, it is able to achieve acoustic Doppler flow monitoring that is quick, facilitating installation and accurately measured the flow velocity of fluid Device.
Utility model content
The purpose of this utility model is to provide a kind of distributed acoustics doppler flow amount monitoring device, can pipeline just Often when work, the installation of acoustic Doppler flow sensor is carried out, so that distributed acoustics doppler flow speed sensor can be square Just, quickly, easily it is suitable for urban sewage discharge, subway underground water (precipitation) discharge, seasonal rainwater discharge, pumping plant water supply The flow monitoring of pipeline.
The utility model provides a kind of distributed acoustics doppler flow amount monitoring device, including one or more sound It learns Doppler's flow sensor, liquid level sensor and mounting bracket, data acquisition process unit (containing flow calculation model) and supplies Electric unit;Acoustic Doppler flow sensor distribution is laid in pipeline side;Liquid level sensor is mounted on (flange at the top of pipeline Formula installation);Data processing unit and power supply unit are mounted on Near Pipelines ground (upright bar or caisson installation) or wall peace It fills (installation of backboard expansion bolt);Flow speed data that data acquisition process unit is passed back according to acoustic Doppler flow sensor, The waterlevel data that liquid level sensor is passed back is calculated the instantaneous flow of fluid in pipeline, is tired out by built-in flow calculation model software Count the hydrographic datas such as flow, mean flow rate, water level, water temperature.
The present invention provides a kind of distributed acoustics doppler flow amount monitoring device, comprising: at least one acoustic Doppler stream Fast sensor is laid on pipeline by mounting bracket distribution;Setting is connect with pipeline at the top of pipeline first prolongs Extending portion;Liquid level sensor is provided in first extension;And data acquisition process unit, wherein mounting bracket Pedestal, ball valve, hermetic collar and acoustic Doppler flow sensor are sequentially connected, and acoustic Doppler flow sensor passes through line Cable is connected to the data acquisition process unit, and waterlevel data is transferred to the data acquisition process list by the liquid level sensor Member.
Wherein, the acoustic Doppler flow velocity sensor real-time measurement fluids within pipes flow velocity;The level sensing Device real-time monitoring pipeline fluid level;The data acquisition process unit is calculated according to flow velocity, the waterlevel data passed back in real time Mean flow rate, instantaneous flow, the integrated flow of fluids within pipes.
Wherein, the acoustic Doppler flow sensor is transmitting-receiving integrated, and the acoustic Doppler flow sensor is upper Under be evenly arranged or front and back arrangement.
Wherein, the acoustic Doppler flow sensor transmitting-receiving is split type, the how general flow velocity sensor requirements row For cloth in pipeline two sides, receiving end is opposite with transmitting terminal.
Wherein, the mounting bracket is round tube perforating type, the distribution for circular pipe acoustic Doppler flow sensor Formula installation.
The utility model proposes the beneficial effect of technical solution be: acoustic Doppler flow sensor distribution laying side Case, has the characteristics that structure is simple, is easily installed, Maintenance and Repair are convenient, flow detection range is wide, measurement accuracy is high, can be just It constructs under normal working condition, avoids stopping production, stops doing business and can avoid leakage, to urban sewage, subway ground water drainage, Industry Waste Liquid also the well adapting to property of the bubbles such as water, ore pulp, crude oil, mud, oil water mixture, impurity, particle is that city supplies Pumping monitoring preferably selects relatively, and itself have the advantages that it is small in size, easy to install and energy saving, can for a long time severe In the environment of stable operation, be suitble to city water supply and sewage water consumption measurement.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawing, only to facilitate understand the utility model, and Not as the restriction of specific protection scope:
Fig. 1 is the transmitting-receiving integrated acoustic Doppler flow sensor distributed pipeline scheme of installation of the utility model;
Fig. 2 is the circular pipe acoustic Doppler flow sensor mounting bracket schematic diagram of the utility model;
Fig. 3 is the split type acoustic Doppler flow sensor distributed pipeline scheme of installation of transmitting-receiving of the utility model.
Specific embodiment
The embodiments of the present invention are illustrated with reference to the accompanying drawing for the ease of understanding the utility model, ability Field technique personnel should be appreciated that following explanations only to facilitate explaining to utility model, and not as to its range Specific restriction.
Show as shown in Figure 1 for the transmitting-receiving integrated acoustic Doppler flow sensor distributed pipeline installation of the utility model It is intended to.The acoustic Doppler flow monitoring device, including one or more acoustics acoustic Doppler flow sensor 1, for transmitting-receiving integrated acoustics acoustic Doppler flow sensor may be arranged at it is ipsilateral according to normality water level arrange, such as in up and down It is evenly arranged, it can also front and back arrangement.
The acoustic Doppler flow sensor 1 is laid on pipeline by 3 distribution of mounting bracket, at the top of pipeline The first extension connecting with pipeline is set, is provided with liquid level sensor 4 in first extension;At the data acquisition Manage unit 5 and power supply unit;Data processing unit 5 and power supply unit are mounted on Near Pipelines position, can by upright bar or When using wall installation expansion bolt can be arranged to data processing list in the backboard of wall in caisson installation or wall installation Member 5 is installed, and said supply unit can be alternating current or the solar powered electric power storage energy, and said supply unit is used for logarithm Energy supply is carried out according to processing unit 5, installation site can be adjacent with data processing unit, away from;The acoustics is more General Le flow sensor 1 is connected to the data acquisition process unit 5 by cable 2, and the liquid level sensor can also pass through number The data acquisition process unit 5 is transferred data to according to line or wireless mode;The data acquisition process unit 5 is according to acoustics The waterlevel data that flow speed data that Doppler's flow sensor 1 is passed back, liquid level sensor 4 are passed back, passes through built-in flow rate calculation mould Type software or control chip, calculate the hydrographic datas such as instantaneous flow, integrated flow, mean flow rate of fluid in pipeline.
It simultaneously include transmitting in a sensor when acoustic Doppler flow sensor 1 is transmitting-receiving integrated Element and receiving element, the acoustic Doppler sensor 1 are 1,2,3 or more.As preferably can be according to scene Situation be mounted on it is ipsilateral, as shown in Figure 1, three acoustic Doppler flow sensors 1 installation liquid flow direction (figure in the duct Direction shown in middle arrow) right side, as a further alternative, the acoustic Doppler flow sensor also may be mounted at pipe The left side of liquid flow direction (direction shown in arrow in figure) in road, it is of course possible to understand, acoustic Doppler flow sensor Quantity is not limited to three, is also not limited to positioned at the same side, acoustic Doppler flow/flow-rate sensor can also be arranged simultaneously The two sides of liquid flow direction (direction shown in arrow in figure) in the duct, the acoustic Doppler flow sensor of two sides setting Quantity identical can also be different.
It can choose the quantity for the acoustic Doppler flow sensor being applied on the outside of pipeline according to the diameter of pipeline, preferably 0.3 meter is less than or equal to for pipe diameter, using a sound channel, that is, an acoustic Doppler flow sensor is set;And for pipe It is straight for pipeline using the triple-track of three acoustic Doppler flow sensors when road diameter is greater than 0.3 meter less than or equal to 1 meter Diameter is greater than 1 meter of five-sound channel using five acoustic Doppler flow sensors;For larger sized pipeline, can according to need Greater number of acoustic Doppler flow sensor is set, multichannel high-acruracy survey allocation plan is formed.
It is smaller to installation site requirement for the acoustic Doppler flow sensor of transceiver, for difference The pipeline of diameter can be used identical bracket and be installed, and usually, the diameter of pipeline is the ruler of significantly greater than mounting bracket Very little, ratio between the two is not intended as limiting certainly, as long as the size of mounting bracket, guarantees acoustic Doppler flow-velocity sensing Device can be mounted on pipeline.
As shown in Fig. 2, the acoustic Doppler flow sensor mounting bracket that the utility model uses includes pedestal 6, ball valve 7 And hermetic collar 8, the structure can be installed under pipeline fluid normal work, can avoid stop work and production.Referring to figs. 1 and 2, The mounting bracket 3 be perforating type mounting bracket, acoustic Doppler flow/flow-rate sensor 1 during installation, since pipeline needs to carry out Punching needs first to be attached pedestal 6 with pipeline, it is preferred to use welding so to guarantee to construct in the case where pipeline has liquid case Mode or other suitable modes, the mounting ball valve 7 on the pedestal 6, fit sealing cutting ferrule 8 later;The pedestal 6, ball Valve 7, hermetic collar 8 and acoustic Doppler flow sensor 1 are sequentially connected, to realize acoustic Doppler flow sensor 1 is mounted on pipeline, and the liquid level sensor 4 is mounted at the top of pipeline;Data processing unit 5 is mounted on Near Pipelines, can lead to Pole type installation or protective housing installation are mounted on metope nearby by the way of mounting plate and expansion bolt.
As shown in figure 3, the split type acoustic Doppler flow sensor distributed pipeline peace of transmitting-receiving described in the utility model Fill schematic diagram.In conjunction with shown in Fig. 2 and Fig. 3, acoustic Doppler flow sensor is mounted on pipeline two sides, and guarantees installation site And the accuracy of angle.Transmitting-receiving integrated acoustic Doppler flow sensor may be arranged at ipsilateral according to normality water level cloth It sets, it, can also front and back arrangement such as in being evenly arranged up and down.It receives and dispatches the how general flow sensor requirement of split type acoustics and is arranged in pipeline two Side, receiving end is opposite with transmitting terminal, guarantees mounting height and setting angle, can equally be arranged according to normality water level, such as in up and down It is evenly arranged, it can also front and back arrangement.
Although pipe diameter is different but bracket is identical, only pedestal somewhat difference;The mounting bracket 3 is punching Formula mounting bracket, acoustic Doppler flow sensor 1 during installation, since pipeline need to be punched so to guarantee to deposit in pipeline Have and construct under liquid case, need first to be attached pedestal 6 with pipeline, it is preferred to use the mode of welding or other suitable sides Formula, the mounting ball valve 7 on the pedestal 6, later fit sealing cutting ferrule 8;Round tube perforating type mounting bracket 3 is used for circular pipe The distributed installation of acoustic Doppler flow sensor, since pipeline need to be punched so to guarantee there are liquid feelings in pipeline It constructs under condition, need to first weld pedestal 6, mounting ball valve 7 and fit sealing cutting ferrule 8, liquid does not leak when guaranteeing aperture, the method Circular pipe installation environment suitable for different-diameter size.
The pedestal 6, ball valve 7, hermetic collar 8 and acoustic Doppler flow sensor 1 are sequentially connected, thus realize by Acoustic Doppler flow sensor 1 is mounted on pipeline, and the liquid level sensor 4 is mounted at the top of pipeline;Data processing unit 5 Near Pipelines are mounted on, pole type installation or protective housing installation can be led to or are installed by the way of mounting plate and expansion bolt Metope nearby.A pair of transmitting acoustic Doppler flow sensor and reception acoustic Doppler flow sensor pass through cable respectively 2 are connected to the data acquisition process unit 5, the transmitting acoustic Doppler flow sensor and the reception acoustic Doppler Flow sensor is opposite, and how general the acoustic signal emitted from the transmitting acoustic Doppler flow sensor is by the reception acoustics It strangles flow sensor to receive, the liquid level sensor can also transfer data to the data by data line or wireless mode and adopt Collect processing unit 5;Flow speed data that the data acquisition process unit 5 is passed back according to acoustic Doppler flow sensor 1, liquid level The waterlevel data that sensor 4 is passed back is calculated the instantaneous flow of fluid in pipeline, is added up by built-in flow calculation model software The hydrographic datas such as flow, flow velocity.
Flow velocity, the waterlevel data acquired in real time by acoustic Doppler flow/flow-rate sensor, liquid level sensor, data acquisition Processing unit receives flow velocity, liquid level data, calculates fluids within pipes instantaneous flow, is denoted as Qs;Integrated flow is denoted as Q;Make For demonstration, flow can be calculated as follows:
Qs=AV
A is pipeline discharge area in formula;V is mean velocity in section.
Q=QsT
Qs is instantaneous flow in formula;T is time duration (unit h).
V is fluids within pipes mean flow rate in formula, and each sound channel flow velocity is respectively V1, V2, V3, V4, V5 ... Vn
V=f (V1, V2, V3, V4, V5 ... Vn), (f is respective function relationship, and this will not be repeated here).
The utility model is distributed acoustics doppler flow amount on-Line Monitor Device, wherein how general provides distributed acoustics Flow sensor is strangled, setting up an office by measuring duct acoustics Doppler flow sensor cloth is layered flow velocity within the scope of the depth of water, and encryption is single Bit space acquisition points, improve resolution ratio, to reach better measurement effect;By by acoustic Doppler flow/flow-rate sensor Distributed pipeline is uniformly distributed, realizes the distributed measurement of fluids within pipes flow.
Although above-described embodiment is not it is understood that the utility model has been disclosed in the preferred embodiments as above To limit the utility model.For any person skilled in the art, the utility model technical side is not being departed from Under case ambit, many possible variations all are made to technical solutions of the utility model using the technology contents of the disclosure above And modification or equivalent example modified to equivalent change.Therefore, all contents without departing from technical solutions of the utility model, According to the technical essence of the utility model any simple modifications, equivalents, and modifications made to the above embodiment, still belong to In the range of technical solutions of the utility model protection.

Claims (5)

1. a kind of distribution acoustics doppler flow amount monitoring device, comprising: at least one acoustic Doppler flow sensor leads to Mounting bracket is crossed to be laid on pipeline;The first extension connecting with pipeline is set at the top of pipeline;Extend described first Liquid level sensor is provided in portion;And data acquisition process unit;It is characterized by: the pedestal of mounting bracket, ball valve, sealing Cutting ferrule and acoustic Doppler flow sensor are sequentially connected, and acoustic Doppler flow sensor is connected to the number by cable According to acquisition process unit, the liquid level sensor transfers data to the data acquisition process unit.
2. distribution acoustics doppler flow amount monitoring device according to claim 1, it is characterised in that: how general the acoustics is Strangle flow sensor instrument real-time measurement pipeline water volume flow rate;The liquid level sensor real-time monitoring pipeline water level;The data are adopted Collect processing unit according to flow velocity, the waterlevel data passed back in real time, calculates the mean flow rate of fluids within pipes, instantaneous flow, adds up Flow.
3. distribution acoustics doppler flow amount monitoring device according to claim 1, it is characterised in that: how general the acoustics is Strangle flow sensor be it is transmitting-receiving integrated, the acoustic Doppler flow sensor be up and down be evenly arranged or front and back arrangement.
4. distribution acoustics doppler flow amount monitoring device according to claim 1, it is characterised in that: how general the acoustics is Strangling flow sensor is that transmitting-receiving is split type, and the acoustic Doppler flow sensor is arranged in pipeline two sides, receiving end and transmitting End is opposite.
5. distribution acoustics doppler flow amount monitoring device according to claim 1, it is characterised in that: the mounting bracket For round tube perforating type, the distribution for circular pipe acoustic Doppler flow sensor is installed.
CN201821343967.XU 2018-08-21 2018-08-21 A kind of distribution acoustics doppler flow amount monitoring device Expired - Fee Related CN208672667U (en)

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Application Number Priority Date Filing Date Title
CN201821343967.XU CN208672667U (en) 2018-08-21 2018-08-21 A kind of distribution acoustics doppler flow amount monitoring device

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112484790A (en) * 2020-11-09 2021-03-12 江阴威尔胜仪表制造有限公司 Flow measuring device
CN112629589A (en) * 2020-12-15 2021-04-09 中建三局绿色产业投资有限公司 Sewage pipeline's monitoring system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112484790A (en) * 2020-11-09 2021-03-12 江阴威尔胜仪表制造有限公司 Flow measuring device
CN112484790B (en) * 2020-11-09 2024-03-08 江苏威尔胜电子科技有限公司 Flow measuring device
CN112629589A (en) * 2020-12-15 2021-04-09 中建三局绿色产业投资有限公司 Sewage pipeline's monitoring system

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190329

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