CN103954790A - Remote radar wave digitized flow measurement system - Google Patents
Remote radar wave digitized flow measurement system Download PDFInfo
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- CN103954790A CN103954790A CN201410195835.7A CN201410195835A CN103954790A CN 103954790 A CN103954790 A CN 103954790A CN 201410195835 A CN201410195835 A CN 201410195835A CN 103954790 A CN103954790 A CN 103954790A
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Abstract
The invention provides a remote radar wave flow measurement system. The remote radar wave flow measurement system comprises a radar wave flow velocity measurement device, a flow velocity meter positioning device, a data remote transmission device, a remote data processing device and a computer. The radar wave flow velocity measurement device is connected with the data remote transmission device, and the remote data processing device is connected with the data remote transmission device through a network. According to the remote radar wave flow measurement system, watercourse flow measurement section site flow velocity data are transmitted to the data remote transmission device after being collected by the radar wave flow velocity measurement device, are transmitted to the remote data processing device by the data remote transmission device through the network, and are transmitted to the computer after being processed by the remote data processing device. A worker at a remote hydrological information center can measure the flow velocities of all watercourse flow measurement section sites through the computer, and unattended type watercourse section flow velocity measurement is achieved. A laptop or a tablet personal computer or a mobile phone or the like can be connected with the data remote transmission device on watercourse section measurement sites, and flow velocity measurement can be conducted.
Description
Technical field
The present invention relates to flow velocity/flowrate measuring tool equipment technical field, in particular to a kind of long-range radar ripple digitizing flow measuring system.
Background technology
Carry out river bed cross section flow rate of water flow/flow measurement, its objective is as government's flood control mitigation provides hydrologic regime data information, within the shortest time, accurately measure and report flood regime, reduce to greatest extent people's life and property loss.Traditional river bed cross section fluid-velocity survey is completely by manually carrying out, and some needs manually enter in river and just can measure, and safety coefficient is low, and cannot test under the rugged surroundings such as strong wind, flood.At present, the common method of river bed cross section fluid-velocity survey has cableway fish lead, the test of box flow velocity and ADCP (Doppler's flow velocity section plotter) test.
The test of cableway fish lead and box flow velocity needs pulpit manually to open cableway control desk, fish lead or box is transferred to river bed gradually from the water surface and test, and it is long that instrument enters the depth of water, test time, and complex operation.ADCP test is that ADCP is arranged on and is surveyed on ship, then starts survey ship and comes and goes and test in section to be test.As can be seen here, the test of cableway flow velocity and ADCP test all need manual operation, cannot realize the test of unmanned formula.Meanwhile, the test of cableway flow velocity and ADCP test are contact test, poor stability, and test time and environment are limited.
Summary of the invention
The object of the present invention is to provide a kind of long-range radar ripple flow measuring system, cannot realize the problem of the test of unmanned formula, poor stability to solve above-mentioned contact testing method.
Long-range radar ripple flow measuring system provided by the invention, described long-range radar ripple flow measuring system comprises at least one radar wave flow rate measuring device, at least one current meter locating device, at least one data remote equipment, Remote data processing equipment and computer; A described current meter locating device is connected with a radar wave flow rate measuring device, a described radar wave flow rate measuring device and a described data remote equipment connection, described Remote data processing equipment is connected with data remote device network, and Remote data processing equipment is connected with described computer.
Further, described data remote equipment comprises data transmission and processing unit and solar powered unit, and described solar powered unit is connected with data transmission and processing unit, and described data transmission and processing unit is connected with Remote data processing device network; Described solar powered unit comprises that sun power tabula rasa, accumulator and power supply store control module, and described sun power tabula rasa stores control module with power supply and is all connected with accumulator; Described data transmission and processing unit comprises data processing module, flow measurement control module, preset parameter module, communication module and dual-mode antenna.
Further, described Remote data processing equipment comprises data transmission unit, power supply and microprocessor, and described data transmission unit comprises dual-mode antenna and data line interface, and data transmission unit is connected with computer by described data line interface.
According to the embodiment of the present invention, described radar wave flow rate measuring device is radar wave assignment test current meter, and described radar wave assignment test current meter comprises radar Doppler ripple tachogenerator, stepper motor, motor driver, data processor, wireless transmission antenna and accumulator; Described radar Doppler ripple tachogenerator, motor driver, wireless transmission antenna and accumulator are all connected with data processor, and radar Doppler ripple tachogenerator is connected with stepper motor respectively with motor driver; Described data processor comprises water level processing module, signal processing module, flow measurement automatic control module, intelligent charging module and reset mooring point control module.
According to the embodiment of the present invention, described radar wave assignment test current meter also comprises shell, and described current meter locating device comprises wire rope test cableway, safety buckle, fixed pulley and travelling block; Described wire rope test cableway comprises two locating supports and is installed on the wire rope on described locating support, described radar wave assignment test current meter buckles on wire rope by safety buckle, described fixed pulley is arranged on the shell of radar wave assignment test current meter, described travelling block is arranged on wire rope, and described stepper motor connects travelling block.
According to another embodiment of the present invention, described radar wave flow rate measuring device is many probe radar wave current meters, described many probe radar wave current meters comprise multiple radar wave current meters, each radar wave current meter comprises radar Doppler ripple tachogenerator, data processor, signal transmission apparatus and solar power supply unit, and described radar Doppler ripple tachogenerator, signal transmission apparatus are connected with data processor respectively.
According to another embodiment of the present invention, described current meter locating device comprises multiple instrument stands, balanced ball and rope circuit cableway, described instrument stand comprises pulley blocks and fixed card, described cableway rope circuit comprises wire rope and two locating supports, on described locating support, pulley is installed, described wire rope is installed on described pulley, and each radar wave current meter is fixedly installed on wire rope by an instrument stand, and described balanced ball is mounted on radar wave current meter.
Preferably, described teletransmission radar wave flow measuring system also comprises and laptop computer, panel computer or the smart mobile phone of data remote equipment interconnection, carries out flow velocity test by laptop computer, panel computer or smart mobile phone at river channel current surveying section scene.
Preferably, described teletransmission radar wave flow measuring system also comprises mareograph and/or video monitoring equipment and/or wind direction instrument, and described mareograph and/or video monitoring equipment and/or wind direction instrument are all connected with data remote equipment or Remote data processing device network.
The technique effect that the present invention realizes is:
Long-range radar ripple flow measuring system provided by the invention, radar wave flow rate measuring device carries out flow speed data collection to river channel current surveying section scene, then by the data transmission collecting to data remote equipment, data remote equipment is transmitted through the network to Remote data processing equipment again, after Remote data processing device processes, transfer to computer, the staff who is positioned at long-range Hydrologic Information center can be realized the flow velocity at individual channels gaging section scene is measured by computer, arrive river channel current surveying section execute-in-place flow measurement without staff, realize the test of unmanned formula river cross-section flow velocity.In addition, by configure measuring automatically flow control module in data remote equipment and/or radar wave flow rate measuring device, carry out measuring automatically flow, calculating, data issue, storage according to the range of stage pre-setting and period, realize measuring automatically flow function.
Radar wave flow rate measuring device adopts many probe radar wave current meters or radar wave assignment test current meter, many probe radar wave current meters or radar wave assignment test current meter carry out automatic test control by the processor with flow measurement automatic control module of its inside, carry out static fixing noncontact flow measurement, improve test precision.
Long-range radar ripple flow measuring system configuration computer provided by the invention or computer control flow measurement data, flow measurement adopts data processor to carry out field management control, is modern precise electronic current measuring instrument equipment.
Radar wave flow rate measuring device and data remote equipment all adopt solar powered, energy-saving and environmental protection, safety, ensure discharge of river test everything goes well with your work and carry out, solved rugged surroundings and have a power failure under need to measure especially the demand of flow velocity surveying work under the environment such as flood.
Brief description of the drawings
Fig. 1 shows the structure of long-range radar ripple flow measuring system provided by the invention;
Fig. 2 shows the structure of assignment test current meter in the long-range radar ripple flow measuring system that embodiment mono-provides;
Fig. 3 shows the structure of data remote equipment in long-range radar ripple flow measuring system provided by the invention;
Fig. 4 shows the structure of long-range radar ripple flow measuring system medium-long range data processing equipment provided by the invention;
Fig. 5 shows the structure of many probe radar wave current meters in the long-range radar ripple flow measuring system that embodiment bis-provides;
Fig. 6 shows assignment test current meter that embodiment mono-the provides application layout at tested river cross-section;
Fig. 7 shows many probes radar wave current meter that embodiment bis-provides application layout at tested river cross-section.
Embodiment
Also by reference to the accompanying drawings the present invention is described in further detail below by specific embodiment.
With reference to figure 1, the long-range radar ripple flow measuring system that the present embodiment provides, comprises at least one radar wave flow rate measuring device, at least one current meter locating device, at least one data remote equipment, Remote data processing equipment and computer (electronic equipment with microprocessor such as computing machine, notebook computer, panel computer, smart mobile phone).A current meter locating device is fixed a radar wave flow rate measuring device for installing, a radar wave flow rate measuring device and a data remote equipment connection, the flow velocity of a river channel current surveying section of a radar wave flow rate measuring device test.Radar wave flow rate measuring device is installed on river channel current surveying section scene by current meter locating device, to carry out fluid-velocity survey.Radar wave flow rate measuring device, current meter locating device and data remote equipment are all installed on river channel current surveying section scene, and Remote data processing equipment and computer are installed on long-range Hydrologic Information center.Radar wave flow rate measuring device is connected by wired or wireless mode with data remote equipment, data remote equipment is connected by wired or wireless network (realizing by RTU or DTU) with Remote data processing equipment, and Remote data processing equipment is connected with computer.
The flow velocity of a river channel current surveying section of radar wave flow rate measuring device test, then by data transfer to data remote equipment, be sent to the Remote data processing equipment at long-range Hydrologic Information center by data remote equipment.The Remote data processing equipment at long-range Hydrologic Information center can receive and process the measurement data at multiple river channel current surveying sections scene.Remote data processing equipment is by each vertical line water surface flow velocity of each river channel current surveying section of receiving, by water level, waterside, left and right coefficient, the water surface mean flow rate coefficient of this river channel current surveying measuring section of having set, in conjunction with the waterlevel data of receiving, automatically complete flow rate calculation, obtain the test data of river channel current surveying section, and show, store, report to the police.About water surface mean flow rate coefficient, can manually calculate and arrange according to the wind-force of dynamic change, wind direction data and other preset parameters, also can automatically generate according to the real-time wind-force of passing back, wind direction parameter and other preset parameter software.Certain, Remote data processing equipment is by the data transfer receiving to computer, and computer also can complete according to the data that receive the flow speed data calculating of river channel current surveying section, and shows, stores, reports, reports to the police.The data that collect according to radar wave measuring flow quantity through flow velocity device are carried out method of calculating flux and are belonged to prior art, carefully do not state herein.The data transmission that radar wave measuring flow quantity through flow velocity device gathers is to data remote equipment, data remote equipment is transmitted through the network to Remote data processing equipment and processes calculating, the staff who makes to be positioned at long-range Hydrologic Information center needn't come to river channel current surveying section scene personally and can realize the flow velocity at each river channel current surveying section scene is measured, and realizes the test of unmanned formula river cross-section flow velocity.As long as in the place that has network, can inquire about the Hydrologic Information of certain river channel current surveying section of Hydrologic Information central record by interconnection network.
Certain, also can be at river channel current surveying section scene, by electronic equipment and data remote equipment interconnections such as laptop computer, panel computer or smart mobile phones, carry out flow velocity test by electronic equipments such as laptop computer, panel computer or smart mobile phones at river channel current surveying section scene.
Consult Fig. 1, teletransmission radar wave flow measuring system also comprises the utility appliance such as mareograph, video monitoring equipment, wind direction instrument, mareograph, video monitoring equipment and wind direction instrument and data remote equipment connection carry out data processing by data transfer by data remote equipment to Remote data processing equipment.Mareograph is measured the water level of river channel current surveying section, controls flow measurement, flow rate calculation; The actual conditions of video monitoring equipment monitoring river channel current surveying section; Wind direction instrument is measured wind direction and the wind-force at river channel current surveying section scene.Flow measuring system configuration utility appliance, the data such as water level, wind direction that gather by utility appliance, revise the river channel current surveying cross-sectional flow data that calculate according to the data of radar wave flow rate measuring device collection, make it more accurate.Utilize utility appliance to revise and belong to prior art the river channel current surveying cross-sectional flow data that measure, carefully do not state herein.
Below by two embodiment, long-range radar ripple flow measuring system provided by the invention is made a more detailed description.
Embodiment mono-
Consult Fig. 2, in the present embodiment, radar wave flow rate measuring device is radar wave assignment test current meter, and radar wave assignment test current meter comprises radar Doppler ripple tachogenerator, stepper motor, motor driver, data processor, wireless transmission antenna, battery and shell.Wherein, data processor comprises water level processing module, signal processing module, flow measurement automatic control module, intelligent charging module and reset mooring point control module.Shell is provided with the charging contact being connected with solar cell, and battery is connected with the charge port of the solar powered unit of data remote equipment by charging contact, and by intelligent charging module control, it charges.The flow measurement automatic control module control radar Doppler ripple tachogenerator of data processor, according to range of stage, carries out the data acquisition of river channel current surveying cross-sectional flow at setting-up time, realizes automatic test.
Consult Fig. 6, show radar wave assignment test current meter and be installed on the application scenarios on the cableway setting up.Current meter locating device comprises wire rope test cableway, safety buckle, fixed pulley and travelling block.Wire rope test cableway comprises two locating supports 40 and wire rope 60, two locating supports 40 are set up in respectively on the riverbank at river cross-section two ends, wire rope 60 is fixing by two locating supports 40, and radar wave assignment test current meter 50 buckles on wire rope 60 by safety buckle.Fixed pulley is arranged on the shell of radar wave assignment test current meter, and travelling block is arranged on test cableway, and stepper motor connects travelling block by chain.Motor driver is Driving Stepping Motor work under the control of flow measurement automatic control module, and stepper motor drives travelling block to move, and then drive radar wave assignment test current meter automatically to go on test cableway, and each vertical line is test one by one.On the riverbank at river cross-section two ends, working cabined is installed, one of them locating support of current meter locating device is arranged in working cabined, the work box 30 of data remote equipment is arranged at the inside of working cabined, the sun power tabula rasa 10 of data remote equipment and dual-mode antenna 20 are arranged at the top of working cabined, working cabined is provided with import and export 80 towards a side of another locating support, radar wave assignment test current meter completes after once test, it enters into working cabined by these import and export 80 reset mooring point control module control by data processor, be connected charging with the charge port 70 of the solar powered unit of data remote equipment.
Consult Fig. 3, data remote equipment comprises work box, data transmission and processing unit and solar powered unit.Solar powered unit comprises that sun power tabula rasa, accumulator and power supply store control module, and sun power tabula rasa absorbs sun power, and is converted to storable power storage in accumulator, and power supply stores storage and the release of electric energy in control module control accumulator.Solar powered unit is connected with data transmission and processing unit, for it provides electric energy.Data transmission and processing unit comprises flow measurement control module, preset parameter module, communication module (RTU) and dual-mode antenna, flow measurement control module is calculated range of stage according to the waterlevel data receiving, and then carries out the current test of river channel current surveying section according to range of stage and setting-up time control radar wave current speed measuring device.Data remote equipment transfers to the measurement data of reception in Remote data processing equipment by communication module and dual-mode antenna.For ensureing the safety in utilization of data remote equipment, data remote equipment also comprises lightning protection, as lightning rod etc.Data remote equipment can be installed in working cabined, and the sun power tabula rasa in the dual-mode antenna of data transmission and processing unit, solar powered unit is arranged at the top of working cabined, as shown in Figure 6.Data remote equipment also can be installed on the support of current meter locating device, and the sun power tabula rasa in the dual-mode antenna of data transmission and processing unit, solar powered unit is arranged at outside work box, as shown in Figure 7.
Preferably, data transmission and processing unit also comprises data processing module, data processing module is programmable logic device (PLD), in data processing module, be solidified with signal processing software, data processing software, status monitoring software, data software for display and emergency condition process software, by above-mentioned software, the measurement data receiving is carried out to data processing, draw the flow speed data of river survey section.Data transmission and processing unit arranges after data processing module, can complete flow speed data collection and calculating at river survey section scene, again the flow speed data of the river survey section calculating is transferred to the computer at Hydrologic Information center, make staff all can obtain the flow speed data of river survey section at river survey section scene or long-range Hydrologic Information center.
Consult Fig. 4, Remote data processing equipment comprises data transmission unit, power supply and is solidified with the microprocessor of flow measurement Digitization Software.Flow measurement Digitization Software comprises data processing software, data storing software, data software for display, alarm software, status monitoring software and emergency condition process software, and microprocessor completes data processing, data storage, data demonstration, warning, status monitoring, warning and emergency condition processing.Data transmission unit comprises dual-mode antenna and data line interface, and data transmission unit is connected with computer by data line interface.
Embodiment bis-
Consult Fig. 5, in the present embodiment, radar wave flow rate measuring device is many probe radar wave current meters, many probe radar wave current meters comprise multiple radar wave current meters (the radar velocity measurement probe shown in figure), and each radar wave current meter comprises radar Doppler ripple tachogenerator, data processor, signal transmission apparatus and sun-generated electric power.In the present embodiment, the implementation of sun-generated electric power is to adopt accumulator to be connected with the solar powered unit of data remote equipment, and solar powered unit is charge in batteries constantly.The accumulator that selection capacity is larger, though the sunlight intensity of longer a period of time a little less than, also can ensure that probe radar wave current meter normally works.Certain, also can adopt independent solar panel and accumulator, electric energy to store control module is the power supply of radar wave current meter as solar power supply unit.Radar Doppler ripple tachogenerator, signal transmission apparatus are all connected with data processor.Data processor comprises water level processing module, signal processing module, flow measurement automatic control module and charging module.Radar wave current meter also comprises shell, and radar Doppler ripple tachogenerator, data processor and sun-generated electric power are all arranged in shell.Radar wave current meter, in the time carrying out riverbed gaging section fluid-velocity survey, can be installed on the bridge in cross-over connection river course, also can be installed on the cableway setting up.In the time that radar wave current meter is installed on the bridge in cross-over connection river course, current meter locating device comprises bridge and instrument stand, and radar wave current meter is installed on the bridge in cross-over connection river course by instrument stand.In the time that radar wave current meter is installed on the cableway setting up, current meter locating device comprises cableway and balanced ball, makes radar wave current meter on cableway, keep balance and stability by balanced ball.
Consult Fig. 7, show radar wave current meter and be installed on the application scenarios on the cableway setting up.Current meter locating device comprises multiple instrument stands, balanced ball and rope circuit cableway, and instrument stand comprises pulley blocks and fixed card, and cableway rope circuit comprises wire rope 60 and two locating supports 40.Two locating supports 40 are set up in respectively on the riverbank at river cross-section two ends, on each locating support, pulley are installed, and wire rope 60 is installed on pulley, and each radar wave current meter 110 is fixedly installed on wire rope 60 by an instrument stand.Data remote equipment is installed on by operator's console 100 on one of them locating support 40 of current meter locating device, the dual-mode antenna 20 of data remote equipment is arranged at the top of work box 30, and the sun power tabula rasa 10 of data remote equipment and lightning rod 90 are arranged at the top of operator's console 100.
In the present embodiment, the structure of data remote equipment, Remote data processing equipment, with identical described in embodiment mono-, does not repeat herein.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a long-range radar ripple flow measuring system, it is characterized in that, described long-range radar ripple flow measuring system comprises at least one radar wave flow rate measuring device, at least one current meter locating device, at least one data remote equipment, Remote data processing equipment and computer; A described current meter locating device is connected with a radar wave flow rate measuring device, a described radar wave flow rate measuring device and a described data remote equipment connection, described Remote data processing equipment is connected with data remote device network, and Remote data processing equipment is connected with described computer.
2. long-range radar ripple flow measuring system according to claim 1, it is characterized in that, described data remote equipment comprises data transmission and processing unit and solar powered unit, described solar powered unit is connected with data transmission and processing unit, and described data transmission and processing unit is connected with Remote data processing device network; Described solar powered unit comprises that sun power tabula rasa, accumulator and power supply store control module, and described sun power tabula rasa stores control module with power supply and is all connected with accumulator; Described data transmission and processing unit comprises data processing module, flow measurement control module, preset parameter module, communication module and dual-mode antenna.
3. long-range radar ripple flow measuring system according to claim 2, is characterized in that, described data remote equipment also comprises lightning protection.
4. according to the long-range radar ripple flow measuring system described in claim 2 or 3, it is characterized in that, described Remote data processing equipment comprises data transmission unit, power supply and microprocessor, described data transmission unit comprises dual-mode antenna and data line interface, and data transmission unit is connected with computer by described data line interface.
5. long-range radar ripple flow measuring system according to claim 4, it is characterized in that, described radar wave flow rate measuring device is radar wave assignment test current meter, and described radar wave assignment test current meter comprises radar Doppler ripple tachogenerator, stepper motor, motor driver, data processor, wireless transmission antenna and accumulator; Described radar Doppler ripple tachogenerator, motor driver, wireless transmission antenna and accumulator are all connected with data processor, and radar Doppler ripple tachogenerator is connected with stepper motor respectively with motor driver; Described data processor comprises water level processing module, signal processing module, flow measurement automatic control module, intelligent charging module and reset mooring point control module.
6. long-range radar ripple flow measuring system according to claim 5, is characterized in that, described radar wave assignment test current meter also comprises shell, and described current meter locating device comprises wire rope test cableway, safety buckle, fixed pulley and travelling block; Described wire rope test cableway comprises two locating supports and is installed on the wire rope on described locating support, described radar wave assignment test current meter buckles on wire rope by safety buckle, described fixed pulley is arranged on the shell of radar wave assignment test current meter, described travelling block is arranged on wire rope, and described stepper motor connects travelling block.
7. long-range radar ripple flow measuring system according to claim 4, it is characterized in that, described radar wave flow rate measuring device is many probe radar wave current meters, described many probe radar wave current meters comprise multiple radar wave current meters, each radar wave current meter comprises radar Doppler ripple tachogenerator, data processor, signal transmission apparatus and solar power supply unit, and described radar Doppler ripple tachogenerator, signal transmission apparatus are connected with data processor respectively.
8. long-range radar ripple flow measuring system according to claim 7, it is characterized in that, described current meter locating device comprises multiple instrument stands, balanced ball and rope circuit cableway, described instrument stand comprises pulley blocks and fixed card, described cableway rope circuit comprises wire rope and two locating supports, on described locating support, pulley is installed, described wire rope is installed on described pulley, each radar wave current meter is fixedly installed on wire rope by an instrument stand, and described balanced ball is mounted on radar wave current meter.
9. long-range radar ripple flow measuring system according to claim 1, it is characterized in that, described teletransmission radar wave flow measuring system also comprises and laptop computer, panel computer or the smart mobile phone of data remote equipment interconnection, carries out flow velocity test by laptop computer, panel computer or smart mobile phone at river channel current surveying section scene.
10. long-range radar ripple flow measuring system according to claim 1, it is characterized in that, described teletransmission radar wave flow measuring system also comprises mareograph and/or video monitoring equipment and/or wind direction instrument, and described mareograph and/or video monitoring equipment and/or wind direction instrument are all connected with data remote equipment or Remote data processing device network.
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| CN104296730A (en) * | 2014-09-26 | 2015-01-21 | 李闯 | Hydrologic flow data processing system and method |
| CN104502628A (en) * | 2015-01-16 | 2015-04-08 | 张喜 | Method and device for handheld ultrasonic measurement of channel flow speed |
| CN108107234A (en) * | 2018-01-19 | 2018-06-01 | 昆明理工大学 | Water surface flow rate detection system and its detection method under a kind of high water condition |
| CN108627671A (en) * | 2018-03-12 | 2018-10-09 | 江苏大渠自动化科技有限公司 | Contactless water surface wave speed measuring device and speed-measuring method |
| CN108445479B (en) * | 2018-03-30 | 2024-04-26 | 北京艾力泰尔信息技术股份有限公司 | Self-driven double-track radar flow measurement system |
| CN108445479A (en) * | 2018-03-30 | 2018-08-24 | 北京艾力泰尔信息技术股份有限公司 | From driving double rail type radar flow measuring system |
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| CN109764935A (en) * | 2018-12-26 | 2019-05-17 | 南京渤溢电子科技有限公司 | A kind of radar wave measuring automatically flow robot |
| CN111693102A (en) * | 2019-03-12 | 2020-09-22 | 四川亚润科技有限公司 | Flow automatic processing terminal intelligent flow metering method based on natural section |
| CN110207679A (en) * | 2019-06-28 | 2019-09-06 | 安徽沃特水务科技有限公司 | A kind of automatic airline equipment of hydrology flow measurement wireless remote control |
| CN111750945A (en) * | 2020-07-08 | 2020-10-09 | 承德华文水利工程有限公司 | Unattended intelligent online radar wave flow measurement system |
| CN114018345A (en) * | 2021-11-18 | 2022-02-08 | 邢杰炜 | Online flow measurement system and measurement method |
| CN114018345B (en) * | 2021-11-18 | 2024-02-09 | 邢杰炜 | Online flow measurement system and measurement method |
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Application publication date: 20140730 |