CN112230016A - Be used for acoustics Doppler point type current meter auxiliary device that flows - Google Patents
Be used for acoustics Doppler point type current meter auxiliary device that flows Download PDFInfo
- Publication number
- CN112230016A CN112230016A CN202011119222.7A CN202011119222A CN112230016A CN 112230016 A CN112230016 A CN 112230016A CN 202011119222 A CN202011119222 A CN 202011119222A CN 112230016 A CN112230016 A CN 112230016A
- Authority
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- China
- Prior art keywords
- universal wheel
- point
- auxiliary device
- current meter
- stabilizer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003381 stabilizer Substances 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims abstract description 14
- 239000007787 solid Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 239000013049 sediment Substances 0.000 description 6
- 238000012851 eutrophication Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000012876 topography Methods 0.000 description 3
- 235000015097 nutrients Nutrition 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
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- 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
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/241—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention provides a flow measurement auxiliary device for an acoustic Doppler point-type current meter, which comprises a point-type current meter, a stabilizer, a fixing ring and a detachable bracket, wherein the point-type current meter is arranged on the fixing ring; the fixed ring is connected with the detachable support through the stabilizer, the lower end face of the fixed ring is provided with a protective cover, and the point type current meter is positioned in the protective cover and connected with the fixed ring; the detachable support is provided with a mud baffle, and the bottom of the mud baffle is provided with an inserting strip. The invention solves the problem that the current meter is inclined when being put down to the river bottom, enables the meter to adapt to various river bottom terrains in the process of monitoring the current of the near stratum of the reservoir, and can provide effective protection for the current meter.
Description
Technical Field
The invention relates to a flow measurement auxiliary device for an acoustic Doppler point type current meter, and belongs to the technical field of hydrological monitoring.
Background
After years of treatment, the problem of eutrophication of water bodies of most of domestic river and lake reservoirs is improved, but a plurality of reservoirs still have serious problems of water eutrophication. Research considers that reservoir sediment is one of main ways of water body nutrient element sources, and related research shows that hydrodynamic conditions at the bottom of a reservoir are main reasons influencing the source or sink of the sediment nutrient elements, and the bottom flow velocity directly influences the velocity of the sediment nitrification and denitrification, so that accurate monitoring of the bottom flow velocity of the reservoir has important significance for researching the water body eutrophication problem.
The existing method for measuring the bottom layer flow velocity comprises the following steps: the acoustic Doppler point type current meter which is completed by setting is fixed on the iron frame, the current meter and the iron frame are vertically placed to the bottom of a lake together by using the rope, but the terrain of the river bottom is uneven, so that the iron frame for fixing the current meter is inclined, the point type current meter cannot be ensured to be in a vertical state, the quality of the monitored current data is poor, the flow field condition of the bottom of the lake during monitoring is difficult to represent, and manpower and material resources are greatly wasted.
In the prior art, chinese patent publication No. 106985970 discloses a doppler current meter mount for ocean current velocity measurement, and this patent can realize long-time continuous, accurate measurement of ocean current velocity under the abominable ocean operating mode, and this application focus on solving the problem that the current meter is transferred to the river bottom slope, implements the back according to this application, at the near-stratum current velocity in-process of monitoring reservoir, makes the instrument can adapt to various river bottom topography, can provide effective protection to the current meter simultaneously.
Disclosure of Invention
In order to solve the technical problems, the invention provides a flow measurement auxiliary device for an acoustic Doppler point type current meter, which solves the problem of inclination of the current meter, protects the current meter from being damaged and greatly improves the quality of measured data.
The invention is realized by the following technical scheme.
The invention provides a flow measurement auxiliary device for an acoustic Doppler point-type current meter, which comprises a point-type current meter, a stabilizer, a fixing ring and a detachable bracket, wherein the fixing ring is fixed on the point-type current meter; the fixed ring is connected with the detachable support through the stabilizer, the lower end face of the fixed ring is provided with a protective cover, and the point type current meter is positioned in the protective cover and connected with the fixed ring; the detachable support is provided with a mud baffle, and the bottom of the mud baffle is provided with an inserting strip.
The point-type current meter is connected with the fixing ring through a fixing ring bolt; the stabilizer is connected with the detachable support through a stabilizer bolt.
The stabilizer includes nexine universal wheel and sets up the outer universal wheel outside the nexine universal wheel, the nexine universal wheel passes through the back shaft and is connected with solid fixed ring, is connected through the back shaft between nexine universal wheel and the outer universal wheel.
The protective cover, the mud baffle and the inserting strips are connected through bolts.
The safety cover includes the base, is equipped with a plurality of billets on the base, and the billet inserts the retaining ring internal fixation.
And a rubber pad is arranged on the inner wall of the fixing ring.
The back shaft includes vertical back shaft and horizontal back shaft, and the nexine universal wheel is connected with solid fixed ring through horizontal back shaft, connects through vertical back shaft between nexine universal wheel and the outer universal wheel.
The invention has the beneficial effects that: the problem of the current meter is transferred to the river bottom slope is solved, at the monitoring reservoir stratum flow velocity in-process, make the instrument can adapt to various river bottom topography, can provide effective protection to the current meter simultaneously.
Drawings
FIG. 1 is a structural schematic of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the structure of the stabilizer of FIG. 1;
FIG. 4 is a schematic view of the protective cover of FIG. 1;
in the figure: 1-point type current meter, 2-stabilizer, 3-fixed ring, 4-detachable bracket, 5-protective cover, 501-steel bar, 502-base, 6-mud baffle, 7-slip, 8-supporting shaft, 801-longitudinal supporting shaft, 802-transverse supporting shaft, 9-bolt, 901-stabilizer bolt, 902-fixed ring bolt, 10-rubber pad.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1 and 2, an auxiliary flow measuring device for an acoustic doppler point-type current meter comprises a point-type current meter 1, a stabilizer 2, a fixed ring 3 and a detachable bracket 4; the fixed ring 3 is connected with the detachable support 4 through the stabilizer 2, the lower end face of the fixed ring 3 is provided with a protective cover 5, and the point type current meter 1 is positioned in the protective cover 5 and connected with the fixed ring 3; the detachable support 4 is provided with a mud baffle 6, and the bottom of the mud baffle 6 is provided with an inserting strip 7.
The point-type current meter 1 is connected with a fixing ring 3 through a fixing ring bolt 902; the stabilizer 2 is connected to the detachable bracket 4 by a stabilizer bolt 901.
As shown in fig. 3, stabilizer 2 includes nexine universal wheel and sets up the outer universal wheel outside the nexine universal wheel, the nexine universal wheel passes through back shaft 8 and is connected with solid fixed ring 3, is connected through back shaft 8 between nexine universal wheel and the outer universal wheel.
The stabilizer 2 is freely rotatable.
The protective cover 5, the mud separating plate 6 and the inserting strips 7 are connected through bolts 9.
As shown in fig. 4, the protecting cover 5 includes a base 502, a plurality of steel bars 501 are disposed on the base 502, and the steel bars 501 are inserted into the fixing ring 3 for fixing.
And a rubber pad 10 is arranged on the inner wall of the fixing ring 3.
The support shaft 8 comprises a longitudinal support shaft 801 and a transverse support shaft 802, the inner layer universal wheel is connected with the fixing ring 3 through the transverse support shaft 802, and the inner layer universal wheel is connected with the outer layer universal wheel through the longitudinal support shaft 801.
Further, the fixed ring 3 mainly functions as a fixed-point type flow meter 1, and the point type flow meter 1 and the protective cover 5 are freely rotated by the stabilizer 2.
Further, according to the river bottom topography, stabilizer 2 adjusts point type current meter 1 into vertical state, and safety cover 5 provides the protection with solid fixed ring 3 jointly to point type current meter 1, avoids rubbish collision instrument under water, and simultaneously, safety cover 5 automatic lowering focus separates mud board 6 and avoids point type current meter 1 to transfer to the river bottom and sink into the problem of silt, causes the unable alignment of stabilizer 2.
Further, the main function of the insert 7 is to fix the whole device and the point-type flow meter 1, and to prevent the device from falling down.
Specifically, to set up point type current meter 1 that succeeds in putting into safety cover 5, rotatory solid fixed ring screw 902 fixes point type current meter 1 in solid fixed ring 3, and point type current meter 1 can be avoided with rubbish collision under water to safety cover 5, damages the instrument, and its weight also can be avoided leading to the wobbling problem of current meter because of the velocity of flow is too big under water simultaneously.
Specifically, the rubber pad 10 is arranged in the fixing ring 3, so that the instrument is prevented from being damaged due to over-tight rotation of the bolt.
Specifically, utilize latch closure and rope to transfer this device to the river bottom with instrument, separate mud baffle 6 with the riverbed bed sediment separately with the velocity of flow appearance, during cutting 7 inserts the sediment, make whole device stabilize in the sediment, if the river bottom is not level, 2 autogirations of stabilizer guarantee point type velocity of flow appearance 1 is perpendicular.
Claims (7)
1. The utility model provides a be used for acoustics Doppler point type velocity of flow appearance current surveying auxiliary device, includes point type velocity of flow appearance (1), stabilizer (2), solid fixed ring (3), detachable support (4), its characterized in that: the fixed ring (3) is connected with the detachable support (4) through the stabilizer (2), the lower end face of the fixed ring (3) is provided with a protective cover (5), and the point-type flow velocity meter (1) is positioned in the protective cover (5) and connected with the fixed ring (3); the detachable support (4) is provided with a mud separating plate (6), and the bottom of the mud separating plate (6) is provided with an inserting strip (7).
2. The auxiliary device for measuring flow of an acoustic doppler velocity point flowmeter as claimed in claim 1, wherein: the point-type current meter (1) is connected with the fixing ring (3) through a fixing ring bolt (902); the stabilizer (2) is connected with the detachable support (4) through a stabilizer bolt (901).
3. The auxiliary device for measuring flow of an acoustic doppler velocity point flowmeter as claimed in claim 1, wherein: stabilizer (2) include the nexine universal wheel and set up the outer universal wheel outside the nexine universal wheel, the nexine universal wheel passes through back shaft (8) and is connected with solid fixed ring (3), is connected through back shaft (8) between nexine universal wheel and the outer universal wheel.
4. The auxiliary device for measuring flow of an acoustic doppler velocity point flowmeter as claimed in claim 1, wherein: the protective cover (5), the mud separating plate (6) and the inserting strip (7) are connected through bolts (9).
5. The auxiliary device for measuring flow of an acoustic doppler velocity point flowmeter as claimed in claim 1, wherein: the protective cover (5) comprises a base (502), a plurality of steel bars (501) are arranged on the base (502), and the steel bars (501) are inserted into the fixing rings (3) to be fixed.
6. The auxiliary device for measuring flow of an acoustic doppler velocity point flowmeter as claimed in claim 1, wherein: and a rubber pad (10) is arranged on the inner wall of the fixing ring (3).
7. The auxiliary device for measuring flow of an acoustic doppler velocity point type flowmeter as claimed in claim 3, wherein: the supporting shaft (8) comprises a longitudinal supporting shaft (801) and a transverse supporting shaft (802), the inner layer universal wheel is connected with the fixing ring (3) through the transverse supporting shaft (802), and the inner layer universal wheel is connected with the outer layer universal wheel through the longitudinal supporting shaft (801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011119222.7A CN112230016A (en) | 2020-10-19 | 2020-10-19 | Be used for acoustics Doppler point type current meter auxiliary device that flows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011119222.7A CN112230016A (en) | 2020-10-19 | 2020-10-19 | Be used for acoustics Doppler point type current meter auxiliary device that flows |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112230016A true CN112230016A (en) | 2021-01-15 |
Family
ID=74117912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011119222.7A Pending CN112230016A (en) | 2020-10-19 | 2020-10-19 | Be used for acoustics Doppler point type current meter auxiliary device that flows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112230016A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202279225U (en) * | 2011-09-28 | 2012-06-20 | 浙江省海洋开发研究院 | Device for floating and immobilizing acoustic Doppler current profiler |
| KR20150092781A (en) * | 2014-02-05 | 2015-08-17 | 인하대학교 산학협력단 | Mooring boat type flow measurement equipment buoy |
| CN206020444U (en) * | 2016-08-25 | 2017-03-15 | 广州拓泰环境监测技术有限公司 | A kind of bottom-sitting type acoustic Doppler fluid velocity profile instrument mounting bracket |
| CN206420481U (en) * | 2017-02-05 | 2017-08-18 | 中国海洋大学 | A kind of marine minitype thermohaline deep profile instrument collision-proof protector |
| CN206696301U (en) * | 2017-04-13 | 2017-12-01 | 三峡大学 | A kind of current meter protection device |
| CN108196086A (en) * | 2017-12-19 | 2018-06-22 | 河海大学 | A kind of measuring device and its application method for being inverted doppler velocimeter probe measurement water surface flow velocity |
| CN210665775U (en) * | 2019-11-05 | 2020-06-02 | 三峡大学 | From rectilinear current meter monitoring mount |
-
2020
- 2020-10-19 CN CN202011119222.7A patent/CN112230016A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202279225U (en) * | 2011-09-28 | 2012-06-20 | 浙江省海洋开发研究院 | Device for floating and immobilizing acoustic Doppler current profiler |
| KR20150092781A (en) * | 2014-02-05 | 2015-08-17 | 인하대학교 산학협력단 | Mooring boat type flow measurement equipment buoy |
| CN206020444U (en) * | 2016-08-25 | 2017-03-15 | 广州拓泰环境监测技术有限公司 | A kind of bottom-sitting type acoustic Doppler fluid velocity profile instrument mounting bracket |
| CN206420481U (en) * | 2017-02-05 | 2017-08-18 | 中国海洋大学 | A kind of marine minitype thermohaline deep profile instrument collision-proof protector |
| CN206696301U (en) * | 2017-04-13 | 2017-12-01 | 三峡大学 | A kind of current meter protection device |
| CN108196086A (en) * | 2017-12-19 | 2018-06-22 | 河海大学 | A kind of measuring device and its application method for being inverted doppler velocimeter probe measurement water surface flow velocity |
| CN210665775U (en) * | 2019-11-05 | 2020-06-02 | 三峡大学 | From rectilinear current meter monitoring mount |
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Application publication date: 20210115 |