CN109270292A - A kind of electromagnetic induction surveys the test device and its speed-measuring method of water flow velocity - Google Patents
A kind of electromagnetic induction surveys the test device and its speed-measuring method of water flow velocity Download PDFInfo
- Publication number
- CN109270292A CN109270292A CN201811354215.8A CN201811354215A CN109270292A CN 109270292 A CN109270292 A CN 109270292A CN 201811354215 A CN201811354215 A CN 201811354215A CN 109270292 A CN109270292 A CN 109270292A
- Authority
- CN
- China
- Prior art keywords
- bucket
- conducting wire
- water flow
- flow velocity
- electromagnetic induction
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/08—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring variation of an electric variable directly affected by the flow, e.g. by using dynamo-electric effect
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
The present invention relates to test devices and its speed-measuring method that a kind of electromagnetic induction surveys water flow velocity, belong to the field of test technology.Including fixed frame, speed measuring device, cylindrical magnetic iron, conducting wire, circuit system and computer system.Fixed frame is fixed with speed measuring device, speed measuring device includes three taper flabellums, swingle, column bucket and elongate rod, it is provided with cylindrical magnetic iron in column bucket and is wound with the inner prop bucket of conducting wire, speed measuring device is connect by conducting wire with circuit system, and circuit system is connect with computer system.The present invention considers the water velocity on the different locations such as stable state or unstable state, radius and flow depth, solves the problems, such as the water velocity test simulation under marine environment.
Description
Technical field
The present invention relates to a kind of test device, especially a kind of electromagnetic induction surveys test device and its side of testing the speed of water flow velocity
Method belongs to the field of test technology.
Background technique
The CN201420084216.6 of the big prestige of Lee et al., a kind of entitled " Marine reinforced concrete structure natural rust simulation dress
Set " utility model marine environment is simulated, can be used as a kind of corrosive environment and carry out model experiment, the simulated experiment
Device is using a kind of stirring container, as described in Figure 1, wherein 30 be stirring container, and 31 be propeller, and 32 be motor.Its
Movement is generated to the rotation of water flow using propeller, a kind of whirlpool is formed, to generate real motion to armored concrete
Permeating corrosion, but the device does not provide specific marine environment background, for example, concrete surface water velocity but simultaneously
It does not obtain, interface can not be carried out with true environment.
Summary of the invention
In view of the above-mentioned problems, the invention proposes test device and its speed-measuring method that a kind of electromagnetic induction surveys water flow velocity,
It is tested for the speed to marine environment water flow.That takes into account stable states or unstable state, radius and flow depth etc. no
With the water velocity on position, to solve the problems, such as the water velocity under test simulation marine environment, to be adjusted, to reach
Agree with to true environment.
In order to solve the above technical problems, the technical solution used in the present invention is:
A kind of electromagnetic induction surveys the test device of water flow velocity, and the test device includes fixed frame, speed measuring device, cylindrical magnetic
Iron, conducting wire, circuit system and computer system；The fixed frame includes the cross at the top of the stirring container, and described ten
Cabinet frame is provided centrally with a circular hole, and a support rod is vertically arranged in circular hole, and support rod lower end horizontal cross is provided with
The more telescopic rods that can arbitrarily stretch, telescopic rod end are fixed with speed measuring device, and the speed measuring device passes through conducting wire and circuit system
System connection, circuit system are connect with computer system；Wherein, the speed measuring device includes three taper flabellums, swingle, column bucket
And elongate rod；One end of swingle is arranged in three taper flabellums, and the swingle other end is rotatably connected in the column bucket
On, the column bucket other side is fixedly installed elongate rod, and the elongate rod is fixed on telescopic rod end；The column bucket include column jacket bucket and
Inner prop bucket, column jacket bucket include upper plate, lower plate and side plate；The upper plate and lower plate center are mounted on bearing, for installing rotation
Bar；Conducting wire is wound on the inner prop bucket, the inner prop bucket is provided centrally with post holes in one, and interior post holes interpolation is equipped with swingle,
Interior post holes inner wall and inner prop bucket fascia edge are uniformly provided with conducting wire sulculus, and conducting wire is arranged in conducting wire sulculus；The inner prop
Cylindrical magnetic iron is tightly inlaid in swingle in bucket in post holes.
Further, the upper plate, lower plate and the circle of side plate one are tightened with bolt.
Further, there are wire channels in the lower plate and elongate rod, can be exported conducting wire with elongate rod.
Further, the swingle internal diameter is greater than the diameter of cylindrical magnetic iron, and the cylindrical magnetic iron is cylindrical body, surface
Coarse, distribution of magnets is uneven.
Further, the circuit system includes the sense resistance element and ammeter being cascaded.
Further, the support rod is the support rod of retractable.
Further, the cross is welded together by four rectangular hollow iron pipes, while haunch supports between any two.
Further, the telescopic rod is two of horizontal parallel setting.
Above-mentioned electromagnetic induction surveys the speed-measuring method of the test device of water flow velocity, includes the following steps:
Conducting wire: being first wrapped on inner prop bucket by step 1, and cylindrical magnetic iron is tightly embedded in swingle, the lower plate of column jacket bucket
It is connected with side plate and simultaneously exports at the both ends of conducting wire from wire channel, after installing cylindrical magnetic iron, then upper plate is installed, it is whole
A speed measuring device is installed；
Cross: being first fixed on above stirring container by step 2, and then elongate rod is fixed on above two telescopic rods,
It, can be by speed measuring device by adjusting elongate rod underwater penetration, the rotation angle of the collapsing length of two telescopic rods and support rod
Taper flabellum be accurately placed in the flow velocity size that surveyed aiming spot measures any position in stirring container with this；
Step 3: the both ends of derived conducting wire are accessed by circuit system using wire channel；
Step 4: speed measuring device is placed in stirring container, starts computer system, closed circuit；Wherein, unevenly
Cylindrical magnetic iron when rotated, the magnetic field line of the different magnetic field of generation can wire cutting, electric current can be generated in the loop, pass through meter
Calculation machine system can detecte and the size and Orientation of record current, it follows that the size of water flow and the rotation side of taper flabellum
To.
Compared with the existing technology, the present invention has the following technical effect that
The present invention considers the water velocity on the different locations such as stable state or unstable state, radius and flow depth, compared with
The good water velocity solved the problems, such as under test simulation marine environment, thus by adjusting, reached with true environment compared with
Agree with well.
Detailed description of the invention
Fig. 1 is existing simulator schematic diagram；
Fig. 2 is the test device schematic diagram that electromagnetic induction of the invention surveys water flow velocity；
Fig. 3 is fixed frame schematic diagram；
Fig. 4 is speed measuring device schematic diagram；
Fig. 5 is column bucket schematic diagram；
Fig. 6 is Fig. 5 cross-sectional view；
Fig. 7 is Fig. 5 top view；
Fig. 8 is inner prop bucket schematic diagram；
Fig. 9 is Fig. 8 side view；
Figure 10 is Fig. 8 top view；
Figure 11 is cylindrical magnetic iron schematic diagram；
Figure 12 is circuit system connection schematic diagram.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
As shown in figs. 1-12, a kind of electromagnetic induction of the invention surveys the test device of water flow velocity, and test device includes fixing
Frame, speed measuring device, cylindrical magnetic iron, conducting wire, circuit system 20 and computer system 21, are shown in Fig. 2.Fixed frame includes being located at stirring
The cross 1 of container top.As shown in figure 3, cross 1 is welded together by four rectangular hollow iron pipes, while between any two
Haunch support.Cross 1 is provided centrally with a circular hole, and the similar radio that one is retractable is vertically arranged in circular hole
Support rod 2 as antenna, 2 lower end horizontal cross of support rod are provided with the similar day that can arbitrarily stretch of two horizontal parallels setting
The telescopic rod 3 of line, 3 end of telescopic rod are fixed with speed measuring device, and speed measuring device is connect by conducting wire 18 with circuit system 20, circuit
System 20 is connect with computer system 21.Wherein, as shown in figure 4, speed measuring device includes three taper flabellums 5, swingle 6, column
Bucket 7 and elongate rod 4.One end of swingle 6 is arranged in three taper flabellums 5, and 6 other end of swingle is rotatably connected in column bucket 7
On, the column bucket other side is fixedly installed elongate rod 4, and elongate rod is fixed on 3 end of telescopic rod.As illustrated in figs. 5-7, column bucket 7 includes
Column jacket bucket 8 and inner prop bucket 9, column jacket bucket 8 include upper plate 12, lower plate 14 and side plate 13.Upper plate 12, lower plate 14 and the circle of side plate 13 1 are equal
It is tightened with bolt 10.Upper plate 12 and 14 center of lower plate are mounted on bearing 11, for installing swingle 6.As seen in figs. 8-10, interior
Conducting wire 18 is wound on column bucket 9, inner prop bucket 9 is provided centrally with post holes 17 in one, is inserted with swingle 6, inner prop in interior post holes 17
17 inner wall of hole and 9 fascia edge of inner prop bucket are uniformly provided with conducting wire sulculus, and conducting wire 18 is arranged in conducting wire sulculus.Lower plate 14 and
There are wire channels 15 in elongate rod 4, can be exported conducting wire 18 with elongate rod 4.As shown in figure 11, in inner prop bucket in post holes
Cylindrical magnetic iron 19 is tightly inlaid in swingle 6.6 internal diameter of swingle is greater than the diameter of cylindrical magnetic iron 19, and cylindrical magnetic iron 19 is circle
Cylinder, rough surface, distribution of magnets are uneven.Wherein, as shown in figure 12, circuit system 20 is sensitive including being cascaded
Resistive element R1 and ammeter A.
The electromagnetic induction surveys the speed-measuring method of the test device of water flow velocity, includes the following steps:
Conducting wire 18: being first wrapped on inner prop bucket 9 by step 1, and cylindrical magnetic iron 19 is tightly embedded in swingle 6, column jacket bucket
8 lower plate 14 is connected with side plate 13 and simultaneously exports at the both ends of conducting wire 18 from wire channel 15, installs cylindrical magnetic iron
After 19, then upper plate 12 is installed, entire speed measuring device is installed.
Cross 1: being first fixed on above stirring container 30 by step 2, and elongate rod 4 is then fixed on two telescopic rods 3
It above, can will by adjusting 4 underwater penetration of elongate rod, the rotation angle of the collapsing length of two telescopic rods 3 and support rod 2
The taper flabellum 5 of speed measuring device is accurately placed in the stream that surveyed aiming spot measures any position in stirring container 30 with this
Fast size.
Step 3: the both ends of derived conducting wire 18 are accessed by circuit system 20 using wire channel 15.
Step 4: speed measuring device is placed in stirring container 30, starts computer system 21, closed circuit.Wherein, no
When rotated, the magnetic field line meeting wire cutting 18 of the different magnetic field of generation can generate electricity to uniform cylindrical magnetic iron 19 in the loop
Stream can detecte the size and Orientation of simultaneously record current by computer system 21, it follows that the size and taper of water flow are fanned
The direction of rotation of leaf 5.
Speed measuring device of the invention can be placed in the annular opening pipe of known flow rate, and computer system 21 records not in real time
With the size of electric current under flow velocity, the direction of rotation for observing the flabellum of speed measuring device determines the swaying direction of ammeter.Actual measurement
In can convert to obtain water speed size and flabellum by the swaying direction of obtained size of current and ammeter pointer
Rotation direction.
Above-described embodiment, which is intended merely to become apparent from, illustrates that technical solution of the present invention made enumerates, not to of the invention
It limits, those skilled in the art are according to the common knowledge of this field to the accommodation of technical scheme also in this Shen
Please be within protection scope, in short, above-described embodiment is only to enumerate, the protection scope of the application is with scope
It is quasi-.
Claims (9)
1. the test device that a kind of electromagnetic induction surveys water flow velocity, it is characterised in that: the test device includes fixed frame, test the speed dress
It sets, cylindrical magnetic iron, conducting wire, circuit system (20) and computer system (21)；The fixed frame includes being located at stirring container top
The cross (1) in portion, the cross (1) are provided centrally with a circular hole, and a support rod (2), institute are vertically arranged in circular hole
It states support rod (2) lower end horizontal cross and is provided with the more telescopic rods (3) that can arbitrarily stretch, telescopic rod (3) end is fixed with survey
Speed variator, the speed measuring device are connect by conducting wire (18) with circuit system (20), circuit system (20) and computer system
(21) it connects；Wherein, the speed measuring device includes three taper flabellums (5), swingle (6), column bucket (7) and elongate rod (4)；Three
A taper flabellum (5) is arranged in one end of swingle (6), and swingle (6) other end is rotatably connected in the column bucket (7)
On, the column bucket other side is fixedly installed elongate rod (4), and the elongate rod is fixed on telescopic rod (3) end；Column bucket (7) packet
Column jacket bucket (8) and inner prop bucket (9) are included, column jacket bucket (8) includes upper plate (12), lower plate (14) and side plate (13)；The upper plate (12)
Bearing (11) are mounted on lower plate (14) center, for installing swingle (6)；Conducting wire is wound on the inner prop bucket (9)
(18), the inner prop bucket (9) is provided centrally with post holes in one (17), is inserted with swingle (6), interior post holes in interior post holes (17)
(17) inner wall and inner prop bucket (9) fascia edge are uniformly provided with conducting wire sulculus, and conducting wire (18) is arranged in conducting wire sulculus；It is described
Cylindrical magnetic iron (19) are tightly inlaid in swingle (6) in inner prop bucket in post holes.
2. the test device that a kind of electromagnetic induction according to claim 1 surveys water flow velocity, it is characterised in that: the upper plate
(12), lower plate (14) is tightened with bolt with the circle of side plate (13) one.
3. the test device that a kind of electromagnetic induction according to claim 2 surveys water flow velocity, it is characterised in that: the lower plate
(14) and in elongate rod (4) there are wire channel (15), can be exported conducting wire (18) with elongate rod (4).
4. the test device that a kind of electromagnetic induction according to claim 1 surveys water flow velocity, it is characterised in that: the swingle
(6) internal diameter is greater than the diameter of cylindrical magnetic iron (19), and the cylindrical magnetic iron (19) is cylindrical body, and rough surface, distribution of magnets is not
Uniformly.
5. the test device that a kind of electromagnetic induction according to claim 1 surveys water flow velocity, it is characterised in that: the circuit system
System (20) includes the sense resistance element (R1) and ammeter (A) being cascaded.
6. the test device that a kind of electromagnetic induction according to claim 1 surveys water flow velocity, it is characterised in that: the support rod
It (2) is the support rod of retractable.
7. the test device that a kind of electromagnetic induction according to claim 6 surveys water flow velocity, it is characterised in that: the cross
(1) welded together by four rectangular hollow iron pipes, while haunch supports between any two.
8. the test device that a kind of electromagnetic induction according to claim 7 surveys water flow velocity, it is characterised in that: the telescopic rod
It (3) is two of horizontal parallel setting.
9. a kind of side of testing the speed of the test device of electromagnetic induction survey water flow velocity described in -8 any claims according to claim 1
Method, which comprises the steps of:
Conducting wire (18): being first wrapped on inner prop bucket (9) by step 1, and cylindrical magnetic iron (19) is tightly embedded in swingle (6), outside
The lower plate (14) of column bucket (8) and side plate (13) are connected with while exporting at the both ends of conducting wire (18) from wire channel (15),
After installing cylindrical magnetic iron (19), then upper plate (12) are installed, entire speed measuring device is installed；
Step 2: being first fixed on stirring container (30) above for cross (1), and elongate rod (4) is then fixed on two and is stretched
Bar (3) above, by adjusting elongate rod (4) underwater penetration, the rotation of the collapsing length and support rod (2) of two telescopic rods (3)
Angle, can accurately being placed in surveyed aiming spot measures stirring container (30) with this by the taper flabellum (5) of speed measuring device
The flow velocity size of middle any position；
Step 3: circuit system (20) are accessed at the both ends of derived conducting wire (18) using wire channel (15)；
Step 4: speed measuring device is placed in stirring container (30), is started computer system (21), closed circuit；Wherein, no
When rotated, magnetic field line meeting wire cutting (18) of the different magnetic field of generation can produce uniform cylindrical magnetic iron (19) in the loop
Raw electric current, can detecte and the size and Orientation of record current by computer system (21), it follows that the size of water flow and
The direction of rotation of taper flabellum (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354215.8A CN109270292B (en) | 2018-11-14 | 2018-11-14 | Electromagnetic induction water flow velocity measuring device and speed measuring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354215.8A CN109270292B (en) | 2018-11-14 | 2018-11-14 | Electromagnetic induction water flow velocity measuring device and speed measuring method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109270292A true CN109270292A (en) | 2019-01-25 |
| CN109270292B CN109270292B (en) | 2023-09-01 |
Family
ID=65189722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811354215.8A Active CN109270292B (en) | 2018-11-14 | 2018-11-14 | Electromagnetic induction water flow velocity measuring device and speed measuring method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109270292B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609408A (en) * | 2022-01-27 | 2022-06-10 | 浙江水利水电学院 | Multifunctional novel water flow speed measuring device |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB743116A (en) * | 1951-02-09 | 1956-01-11 | Ernest Bradbury Robinson | Improvements in or relating to tubes formed by helical winding |
| GB1099772A (en) * | 1964-03-23 | 1968-01-17 | Ott Gmbh A | Vaned meter |
| US4258568A (en) * | 1979-07-19 | 1981-03-31 | Reinder Boetes | Water current meter |
| SU1114954A1 (en) * | 1982-03-16 | 1984-09-23 | Киргизский сельскохозяйственный институт им.К.И.Скрябина | Device for measuring speed of flow |
| CN2415347Y (en) * | 2000-04-26 | 2001-01-17 | 黄茂忠 | Underwater concrete surface position detector |
| CN1919146A (en) * | 2006-07-31 | 2007-02-28 | 深圳市德力凯电子有限公司 | Wide band via-skull Doppler system and method for frequency conversion cerebrovascular blood flow rate detection |
| CN101701899A (en) * | 2009-11-05 | 2010-05-05 | 东南大学 | Device and method for testing cement stone leaching corrosion under action of flowing water and pressure water |
| CN202815004U (en) * | 2012-08-31 | 2013-03-20 | 山东省科学院海洋仪器仪表研究所 | Rotary type flow velocity and flow direction measuring device |
| CN103837698A (en) * | 2012-11-26 | 2014-06-04 | 宝山钢铁股份有限公司 | Continuous measurement device and method of flow velocity near liquid steel surface |
| CN203798654U (en) * | 2014-02-26 | 2014-08-27 | 深圳大学 | Marine reinforced concrete natural corrosion simulator |
| CN205193091U (en) * | 2015-12-16 | 2016-04-27 | 金新峰 | River velocity of flow measuring device |
| CN205539042U (en) * | 2016-01-14 | 2016-08-31 | 重庆华正水文仪器有限公司 | Magnetic suspension propeller type current meter |
| CN106643924A (en) * | 2016-12-28 | 2017-05-10 | 中国科学院上海应用物理研究所 | High-temperature conducting liquid flow quantity measurement device and method based on Venturi tube |
| CN107422142A (en) * | 2017-09-12 | 2017-12-01 | 深圳大学 | Pressure method stirs current Simple speed measuring device and speed-measuring method |
| CN107807254A (en) * | 2017-10-19 | 2018-03-16 | 深圳大学 | A kind of two-way stable state ring water velocity test device and method |
| CN108088507A (en) * | 2017-11-28 | 2018-05-29 | 中国计量大学 | A kind of built-in flow detector |
| CN208984662U (en) * | 2018-11-14 | 2019-06-14 | 深圳大学 | A kind of electromagnetic induction surveys the test device of water flow velocity |
-
2018
- 2018-11-14 CN CN201811354215.8A patent/CN109270292B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB743116A (en) * | 1951-02-09 | 1956-01-11 | Ernest Bradbury Robinson | Improvements in or relating to tubes formed by helical winding |
| GB1099772A (en) * | 1964-03-23 | 1968-01-17 | Ott Gmbh A | Vaned meter |
| US4258568A (en) * | 1979-07-19 | 1981-03-31 | Reinder Boetes | Water current meter |
| SU1114954A1 (en) * | 1982-03-16 | 1984-09-23 | Киргизский сельскохозяйственный институт им.К.И.Скрябина | Device for measuring speed of flow |
| CN2415347Y (en) * | 2000-04-26 | 2001-01-17 | 黄茂忠 | Underwater concrete surface position detector |
| CN1919146A (en) * | 2006-07-31 | 2007-02-28 | 深圳市德力凯电子有限公司 | Wide band via-skull Doppler system and method for frequency conversion cerebrovascular blood flow rate detection |
| CN101701899A (en) * | 2009-11-05 | 2010-05-05 | 东南大学 | Device and method for testing cement stone leaching corrosion under action of flowing water and pressure water |
| CN202815004U (en) * | 2012-08-31 | 2013-03-20 | 山东省科学院海洋仪器仪表研究所 | Rotary type flow velocity and flow direction measuring device |
| CN103837698A (en) * | 2012-11-26 | 2014-06-04 | 宝山钢铁股份有限公司 | Continuous measurement device and method of flow velocity near liquid steel surface |
| CN203798654U (en) * | 2014-02-26 | 2014-08-27 | 深圳大学 | Marine reinforced concrete natural corrosion simulator |
| CN205193091U (en) * | 2015-12-16 | 2016-04-27 | 金新峰 | River velocity of flow measuring device |
| CN205539042U (en) * | 2016-01-14 | 2016-08-31 | 重庆华正水文仪器有限公司 | Magnetic suspension propeller type current meter |
| CN106643924A (en) * | 2016-12-28 | 2017-05-10 | 中国科学院上海应用物理研究所 | High-temperature conducting liquid flow quantity measurement device and method based on Venturi tube |
| CN107422142A (en) * | 2017-09-12 | 2017-12-01 | 深圳大学 | Pressure method stirs current Simple speed measuring device and speed-measuring method |
| CN107807254A (en) * | 2017-10-19 | 2018-03-16 | 深圳大学 | A kind of two-way stable state ring water velocity test device and method |
| CN108088507A (en) * | 2017-11-28 | 2018-05-29 | 中国计量大学 | A kind of built-in flow detector |
| CN208984662U (en) * | 2018-11-14 | 2019-06-14 | 深圳大学 | A kind of electromagnetic induction surveys the test device of water flow velocity |
Non-Patent Citations (3)
| Title |
|---|
| JIN, YAMEI: "Effect of rotating magnetic field and flowing Ca2+ solution on calcium uptake rate of fresh-cut apple", LWT-FOOD SCIENCE AND TECHNOLOGY * |
| 卿光明: "电磁流量计检测技术的研究 ————流量信号获取与处理", 硕士电子期刊出版工程科技Ⅱ辑 * |
| 李大望: "海洋环境下预应力混凝土结构耐久性的参数敏感性分析", 混凝土 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114609408A (en) * | 2022-01-27 | 2022-06-10 | 浙江水利水电学院 | Multifunctional novel water flow speed measuring device |
| CN114609408B (en) * | 2022-01-27 | 2023-09-19 | 浙江水利水电学院 | Multifunctional water flow speed measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109270292B (en) | 2023-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104122596B (en) | Method for measuring geomagnetic field vector by spherical bias coil and measuring device | |
| CN110657073B (en) | Test device and method for testing offshore wind turbine power parameter evolution under action of wind waves | |
| CN105509996B (en) | A kind of marine riser streams the measure device and method of resistance coefficient and lift coefficient | |
| CN206740802U (en) | One kind defends exceedingly high irdome electric performance testing device | |
| CN104749655A (en) | Comprehensive detection method for deep water leakage of reservoir | |
| CN203427996U (en) | Fixing device for acoustic transducer | |
| CN107192885A (en) | Using alien frequencies, the method for high-current test large hydropower station Grounding impedance | |
| CN109709438A (en) | A kind of reverse short distance measurement pressure-wire of grounded screen and current line mutual inductance influence model | |
| CN208984662U (en) | A kind of electromagnetic induction surveys the test device of water flow velocity | |
| CN109270292A (en) | A kind of electromagnetic induction surveys the test device and its speed-measuring method of water flow velocity | |
| CN102003171A (en) | Calibrating device of three-dimensional induction logger | |
| CN106680197B (en) | A kind of simulator and real-time detection method corroding rock | |
| CN205280545U (en) | Seepage tests sand post or earth pillar suitable for nuclear magnetic resonance analysis and imaging system | |
| CN205138700U (en) | Measure device of rivers to pile foundation surge pressure | |
| CN207114614U (en) | Grounded screen place surface potential gradiometry servicing unit | |
| CN215297649U (en) | Speed measuring device for water conservancy and hydropower | |
| CN202047808U (en) | Calibration device for three dimensional induction log instrument | |
| CN206905722U (en) | A kind of measurement sensor supporting structure for being used to measure Hydropower Unit guide bearing throw | |
| CN105841760A (en) | Insert-type electromagnetic flowmeter | |
| CN206710248U (en) | A kind of easy-to-read mortar consistency determining apparatus | |
| CN113495044B (en) | System and method for detecting concentration of suspended sediment in water flow | |
| CN107014434A (en) | A kind of conehead steady temperature force combination probe for measuring high subsonics three-dimensional flow field | |
| CN205139139U (en) | Rock specimen electrical property characteristic testing arrangement under many field couplings state | |
| CN202794485U (en) | Non-magnetic drill collar magnetic field gradient testing device | |
| CN207923409U (en) | The test device of round steel pipe bar Shape Coefficient |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |