CN102004168A - Method for measuring fluid velocity in shallow-water floristic areas - Google Patents
Method for measuring fluid velocity in shallow-water floristic areas Download PDFInfo
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- CN102004168A CN102004168A CN 201010531548 CN201010531548A CN102004168A CN 102004168 A CN102004168 A CN 102004168A CN 201010531548 CN201010531548 CN 201010531548 CN 201010531548 A CN201010531548 A CN 201010531548A CN 102004168 A CN102004168 A CN 102004168A
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Abstract
The invention relates to a method for measuring fluid velocity, in particular to a method and equipment used for measuring fluid velocity in shallow-water floristic areas, which belongs to the field of hydraulic engineering measurement. The invention contains implementing steps, equipment, software configuration as well as software and hardware interactive steps of the method for measuring fluid velocity in shallow-water floristic areas. The method has the advantages that the fluid velocity in shallow-water floristic areas can be measured, and the measurement accuracy is improved; the GPS position and the fluid velocity value are synchronized, which provides data foundation for the further spatial analysis of the fluid velocity; and the wireless mode avoids the trouble with wiring in the shallow-water floristic areas during measurement.
Description
Technical field
The present invention relates to a kind of flow-speed measurement method and equipment, especially shallow water floral region flow-speed measurement method and equipment.Belong to the Hydraulic Engineering Survey field.
Background technology
Measuring shallow water floral region velocity flow profile is one of main method of describing the lake HYDRODYNAMIC CHARACTERISTICS.Lake current is determining defeated in the lake of all kinds of materials such as suspension, algae, pollutant and various nutrient to move and is spreading, simultaneously the character of layer deposition thing and the biological feature of perching had the hydrodynamic change rule that therefore material impact deeply understands the lake, in lake ecological reparation and management aspect important science and practice significance are arranged, be the research lake ecosystem, solve the basis and the prerequisite of lake eutrophication problem.China lake a large amount of hydrophyte that distributing, hydrophyte can reduce hydrodynamic influence: (1) form resistance (when current are flowed through plant roots, stem, hat, owing to the different resistances that produce of current upstream and downstream hydrostatic force); (2) surface pulls power (the solid face of hydrophyte contacts the shearing force that produces with current); (3) vibration resistance (hydrophyte root, stem, hat cause the distortion of water body free face and the power of generation in water body); (4) energy loss (owing to hydrophyte is caused flow viscosity and turbulent flow and increases the energy that loses).Field inspection hydrophyte district velocity flow profile is to set up the prerequisite of the lake hydrodynamic model of taking all factors into consideration the hydrophyte influence.Existing ADP, ADCP current meter can accurately measure the distributed in three dimensions of lake flow velocity by ultrasonic method.But in the dense shoal water zone of hydrophyte since plant stop that the depth of water is shallow excessively, be that ship enters or survey crew enters all very difficultly on foot, the current meter sensor is difficult to arrange.The present invention proposes a kind of shallow water floral region flow-speed measurement method,, utilize the facility of support and WLAN (wireless local area network), avoided the distribute wiring in dense district of hydrophyte to trouble by the dense district of hydrophyte is arranged mounting system and wireless local area network (WLAN) system.
Summary of the invention
The technical problem to be solved in the present invention just provides shallow water floral region flow-speed measurement method and equipment, realizes the fluid-velocity survey of shallow water floral region.
Shallow water of the present invention floral region flow-speed measurement method may further comprise the steps:
(1) delimit measured zone; Particularly, plan the length and the width in tested zone earlier, its length is any, and width is not more than 10m, it can be divided into the wide banded subregion of a plurality of 10m and measure when tested zone is big.
(2) set up the buoyancy aid cross slide way; Described buoyancy aid cross slide way comprises buoyancy aid, cross slide way and support.Cross slide way length is 10m, utilizes support to be erected on two buoyancy aids.
(3) set up sensor support base; Particularly exactly sensor support base is stuck on the pulley groove of cross slide way.
(4) WLAN (wireless local area network) is set; The high-power wireless LAN system is set on platform base or building berth base covers in the LAN (Local Area Network) scope measured zone.
(5) the layout measuring point is measured; Utilize GPS layout plan line, mobile buoyancy aid cross slide way begins to measure and write down each measuring point gps coordinate to each plan line position.
(6) utilize the Krigging method to carry out the flow field interpolation calculation.
Above-mentioned method realizes by shallow water floral region fluid-velocity survey equipment, particularly this equipment comprises: central control unit, data acquisition unit, data transmission unit and mechanical support unit, described measure portion is fixed by mechanical connection or is installed on mechanical part, and data computation storage and hop utilize base station server and high-power wireless LAN system to realize.
Central control unit comprises: base station server;
Data acquisition unit comprises: flow sensor, GPS;
Data transmission unit comprises: movement station bus apparatus, base station bus equipment and base station server connect by the high-power wireless LAN (Local Area Network);
The mechanical support unit comprises: the buoyancy aid cross slide way is connected successively with sensor support base, and movement station bus apparatus and data acquisition unit device are on the mechanical support unit.
The buoyancy aid cross slide way comprises: buoyancy aid, buoyancy aid driver, power supply, support, cross slide way, feed cable.
Sensor support base comprises: vertical moving part and move horizontally part; Vertical moving partly comprises vertical guide rail and vertical drive motor, moves horizontally part and comprises horizontal drive motor and horizontal drive wheels.
In order to solve the problems of the technologies described above, shallow water provided by the invention floral region flow-speed measurement method and equipment also comprise following software section: Measurement and Control System, data memory module, locating module, flow velocity computing module.
Particularly each hardware and software part is measured as follows:
When a. beginning to measure, at first manually the buoyancy aid cross slide way is moved to the first plan section and overlaps, survey crew sends to base station server and measure to instruct;
B. after Measurement and Control System is received instruction, send move to sensor support base, sensor support base moves to default measuring point according to move, and sensor is dropped to predetermined depth;
C. Measurement and Control System is sent measurement request to survey sensor, sensor begins to measure, Measurement and Control System is obtained the GPS position of writing down in the locating module simultaneously, through behind the setting-up time, sensor will record data transmission and give Measurement and Control System, and integration GPS position data deposits data memory module in;
D. the data in the flow velocity calculating module invokes data memory module are carried out flow velocity calculating, use the Krigging difference approach to carry out difference during calculating and calculate, and exporting result of calculation after calculating is the numerical value file;
F. when calculating, Measurement and Control System is sent instruction to sensor support base, and sensor support base moves to next measuring position, repeats said process.
The present invention has following beneficial effect:
(1) the invention provides a kind ofly, make at the floral region effluent rapid-result for may at shallow water floral region flow-speed measurement method and equipment;
(2) of the present invention synchronously GPS position and flow speed value, provide the data basis for further flow velocity being carried out spatial analysis;
The puzzlement of wiring when (3) wireless mode provided by the invention has been avoided measuring in the shallow water floral region.
Description of drawings
Fig. 1 is the buoyancy aid cross slide way schematic side view of invention;
Fig. 2 is the front elevational schematic of buoyancy aid cross slide way of the present invention;
Fig. 3 is buoyancy aid cross slide way of the present invention and sensor support base wiring layout;
Fig. 4 is an outfit of equipment synoptic diagram of the present invention;
Fig. 5 is a data link synoptic diagram of the present invention;
Fig. 6 is implementing procedure figure of the present invention.
Embodiment
The present invention is described in detail below in conjunction with drawings and the specific embodiments.
Shallow water of the present invention floral region flow-speed measurement method may further comprise the steps:
(1) delimit measured zone; Particularly, plan the length and the width in tested zone earlier, its length is any, and width is not more than 10m, it can be divided into the wide banded subregion of a plurality of 10m and measure when tested zone is big.
(2) set up the buoyancy aid cross slide way; Described buoyancy aid cross slide way comprises buoyancy aid, cross slide way and support.Cross slide way length is 10m, utilizes support to be erected on two buoyancy aids.
(3) set up sensor support base; Particularly exactly sensor support base is stuck on the pulley groove of cross slide way.
(4) WLAN (wireless local area network) is set; The high-power wireless LAN system is set on platform base or building berth base covers in the LAN (Local Area Network) scope measured zone.
(5) the layout measuring point is measured; Utilize GPS layout plan line, mobile buoyancy aid cross slide way begins to measure and write down each measuring point gps coordinate to each plan line position.
(6) utilize the Krigging method to carry out the flow field interpolation calculation.
Above-mentioned method realizes that by shallow water floral region fluid-velocity survey equipment particularly this equipment comprises: measure transmission equipment part and Aided Machine part, described measurement transmission equipment part is fixed by mechanical connection or is installed on mechanical part.
Measure transmission equipment: comprise that flow sensor 1, GPS 2, movement station bus apparatus 3, base station bus equipment 4, base station server 5 connect successively.
Aided Machine partly comprises: the buoyancy aid cross slide way is connected successively with sensor support base 6.
The buoyancy aid cross slide way comprises: buoyancy aid 7, buoyancy aid driver 8, power supply 9, support 10, cross slide way 11, feed cable 12.
In order to solve the problems of the technologies described above, shallow water provided by the invention floral region flow-speed measurement method and equipment also comprise following software section: Measurement and Control System, data memory module, locating module, flow velocity computing module.
Particularly each hardware and software part is measured as follows:
When a. beginning to measure, at first manually the buoyancy aid cross slide way is moved to the first plan section and overlaps, survey crew sends to base station server 5 and measure to instruct;
B. after Measurement and Control System is received instruction, send move to sensor support base 6, sensor support base 6 moves to default measuring point according to move, and flow sensor 1 is dropped to predetermined depth;
C. Measurement and Control System is sent measurement request to survey sensor, sensor 1 begins to measure, Measurement and Control System is obtained GPS 2 positions of writing down in the locating module simultaneously, through behind the setting-up time, sensor 1 will record data transmission and give Measurement and Control System, and integration GPS 2 position datas deposit data memory module in;
D. the data in the flow velocity calculating module invokes data memory module are carried out flow velocity calculating, use the Krigging difference approach to carry out difference during calculating and calculate, and exporting result of calculation after calculating is the numerical value file;
F. when calculating, Measurement and Control System is sent instruction to sensor support base 6, and sensor support base 6 moves to next measuring position, repeats said process.
Table 1 records the velocity flow profile data
| North latitude | East longitude | Surface velocity (m/s) | Middle part flow velocity (m/s) | Bottom velocity (m/s) |
| 31°15’22.546”? | 120°23’16.213”? | 0.75? | 0.42? | 0.23? |
| 31°15’22.547”? | 120°23’16.213”? | 0.78? | 0.45? | 0.12? |
| 31°15’22.548”? | 120°23’16.213”? | 0.82? | 0.62? | 0.24? |
| 31°15’22.549”? | 120°23’16.213”? | 0.84? | 0.59? | 0.25? |
| 31°15’22.550”? | 120°23’16.213”? | 0.76? | 0.35? | 0.12? |
| 31°15’22.542”? | 120°23’16.214”? | 0.74? | 0.38? | 0.13? |
| 31°15’22.543”? | 120°23’16.214”? | 0.71? | 0.44? | 0.15? |
| 31°15’22.544”? | 120°23’16.214”? | 0.62? | 0.31? | 0.20? |
| 31°15’22.545”? | 120°23’16.214”? | 0.68? | 0.36? | 0.21? |
Claims (7)
1. shallow water floral region flow-speed measurement method, it is characterized in that: described method may further comprise the steps:
(1) delimit measured zone; Plan the length and the width in tested zone earlier, its length is any, and width is not more than 10m, it can be divided into the wide banded subregion of a plurality of 10m and measure when tested zone is big;
(2) set up buoyancy aid cross slide way in the fluid-velocity survey equipment of shallow water floral region; Described buoyancy aid cross slide way comprises buoyancy aid, cross slide way and support, and cross slide way length is 10m, utilizes support to be erected on two buoyancy aids;
(3) set up sensor support base in the fluid-velocity survey equipment of shallow water floral region; Sensor support base is stuck on the pulley groove of cross slide way;
(4) WLAN (wireless local area network) is set; The high-power wireless LAN system is set on platform base or building berth base covers in the LAN (Local Area Network) scope measured zone;
(5) the layout measuring point is measured; Utilize GPS layout plan line, mobile buoyancy aid cross slide way begins to measure and write down each measuring point gps coordinate to each plan line position;
(6) calculate; Preferably: utilize the Krigging method to carry out the flow field interpolation calculation.
2. method according to claim 1 is characterized in that: the measuring equipment in described step (2), (3) comprises: central control unit, data acquisition unit, data transmission unit and mechanical support unit.
3. equipment according to claim 2 is characterized in that: described data acquisition unit is fixed by mechanical connection or is installed on the mechanical support unit, described central control unit utilizes base station server to realize, described data transmission unit utilizes the high-power wireless LAN (Local Area Network) to realize.
4. equipment according to claim 3 is characterized in that: described central control unit comprises: base station server;
Described data acquisition unit comprises: flow sensor, GPS;
Described data transmission unit comprises: movement station bus apparatus, base station bus equipment and base station server connect by the high-power wireless LAN (Local Area Network);
Described mechanical support unit comprises: the buoyancy aid cross slide way is connected successively with sensor support base, and movement station bus apparatus and data acquisition unit device are on the mechanical support unit.
5. equipment according to claim 4 is characterized in that described buoyancy aid cross slide way comprises: buoyancy aid, buoyancy aid driver, power supply, support, cross slide way, feed cable;
Described sensor support base comprises: vertical moving part and move horizontally part; Vertical moving partly comprises vertical guide rail and vertical drive motor, moves horizontally part and comprises horizontal drive motor and horizontal drive wheels.
6. shallow water according to claim 1 floral region flow-speed measurement method also comprises following software section: Measurement and Control System, data memory module, locating module, flow velocity computing module.
7. method according to claim 1 is characterized in that: the shallow water floral region fluid-velocity survey equipment in described step (2), (3) is measured as follows:
When a. beginning to measure, at first manually the buoyancy aid cross slide way is moved to the first plan section and overlaps, survey crew sends to base station server and measure to instruct;
B. after Measurement and Control System is received instruction, send move to sensor support base, sensor support base moves to default measuring point according to move, and sensor is dropped to predetermined depth;
C. Measurement and Control System is sent measurement request to survey sensor, sensor begins to measure, Measurement and Control System is obtained the GPS position of writing down in the locating module simultaneously, through behind the setting-up time, sensor will record data transmission and give Measurement and Control System, and integration GPS position data deposits data memory module in;
D. the data in the flow velocity calculating module invokes data memory module are carried out flow velocity calculating, use the Krigging difference approach to carry out difference during calculating and calculate, and exporting result of calculation after calculating is the numerical value file;
F. when calculating, Measurement and Control System is sent instruction to sensor support base, and sensor support base moves to next measuring position, repeats said process.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105315480A CN102004168B (en) | 2010-11-04 | 2010-11-04 | Method for measuring fluid velocity in shallow-water floristic areas |
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| CN2010105315480A CN102004168B (en) | 2010-11-04 | 2010-11-04 | Method for measuring fluid velocity in shallow-water floristic areas |
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| CN102004168B CN102004168B (en) | 2012-02-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251508A (en) * | 2011-05-12 | 2011-11-23 | 中国科学院南京地理与湖泊研究所 | Method for preventing algae from being transported by using automatic positioning rubber floating booms |
| CN106841676A (en) * | 2017-03-29 | 2017-06-13 | 天津大学 | A kind of laser-Doppler hydraulic turbine wake measurement device and measuring method |
| CN108169506A (en) * | 2017-12-28 | 2018-06-15 | 韦丹梅 | Telescopic water speed measuring device |
| CN113685227A (en) * | 2021-08-25 | 2021-11-23 | 中铁二院工程集团有限责任公司 | Swing wing type structure for preventing and treating sudden water gushing during operation of inclined shaft and design method |
| CN114113673A (en) * | 2022-01-27 | 2022-03-01 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Hydrogeological survey water flow velocity monitoring device and method |
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| CN87205185U (en) * | 1987-09-28 | 1988-06-29 | 成都科技大学 | Supersound doppler detector for water-flow coeffcient |
| US5653592A (en) * | 1995-11-08 | 1997-08-05 | The United States Of America As Represented By The Secretary Of The Army | Method and apparatus for micro modeling the sediment transport characteristics of a river |
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| CN2751309Y (en) * | 2004-12-22 | 2006-01-11 | 中国科学院南海海洋研究所 | Current meter having station, depth measurement and radio communication function |
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2010
- 2010-11-04 CN CN2010105315480A patent/CN102004168B/en not_active Expired - Fee Related
Patent Citations (4)
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| CN87205185U (en) * | 1987-09-28 | 1988-06-29 | 成都科技大学 | Supersound doppler detector for water-flow coeffcient |
| US5653592A (en) * | 1995-11-08 | 1997-08-05 | The United States Of America As Represented By The Secretary Of The Army | Method and apparatus for micro modeling the sediment transport characteristics of a river |
| JPH11183234A (en) * | 1997-12-18 | 1999-07-09 | Meidensha Corp | Ultrasonic liquid level measuring device |
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Non-Patent Citations (1)
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| 《水利水文自动化》 20060331 章茂林 GPS在水面流速流向测量中的应用 , 第01期 2 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251508A (en) * | 2011-05-12 | 2011-11-23 | 中国科学院南京地理与湖泊研究所 | Method for preventing algae from being transported by using automatic positioning rubber floating booms |
| CN102251508B (en) * | 2011-05-12 | 2013-06-12 | 中国科学院南京地理与湖泊研究所 | Method for preventing algae from being transported by using automatic positioning rubber floating booms |
| CN106841676A (en) * | 2017-03-29 | 2017-06-13 | 天津大学 | A kind of laser-Doppler hydraulic turbine wake measurement device and measuring method |
| CN108169506A (en) * | 2017-12-28 | 2018-06-15 | 韦丹梅 | Telescopic water speed measuring device |
| CN108169506B (en) * | 2017-12-28 | 2020-03-10 | 韦绍财 | Telescopic water speed measuring device |
| CN113685227A (en) * | 2021-08-25 | 2021-11-23 | 中铁二院工程集团有限责任公司 | Swing wing type structure for preventing and treating sudden water gushing during operation of inclined shaft and design method |
| CN114113673A (en) * | 2022-01-27 | 2022-03-01 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Hydrogeological survey water flow velocity monitoring device and method |
| CN114113673B (en) * | 2022-01-27 | 2022-04-19 | 山东省鲁南地质工程勘察院(山东省地质矿产勘查开发局第二地质大队) | Hydrogeological survey water flow velocity monitoring device and method |
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