CN207456733U - Suitable for the flow field survey device in rectangle river - Google Patents

Suitable for the flow field survey device in rectangle river Download PDF

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Publication number
CN207456733U
CN207456733U CN201721651272.3U CN201721651272U CN207456733U CN 207456733 U CN207456733 U CN 207456733U CN 201721651272 U CN201721651272 U CN 201721651272U CN 207456733 U CN207456733 U CN 207456733U
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CN
China
Prior art keywords
mounting bracket
river
flow field
field survey
rectangle
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Expired - Fee Related
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CN201721651272.3U
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Chinese (zh)
Inventor
余英俊
胡晓
石小涛
林晨宇
张宁
王岑
周元淼
张永年
洪亮
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China Three Gorges University CTGU
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China Three Gorges University CTGU
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Priority to CN201721651272.3U priority Critical patent/CN207456733U/en
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Publication of CN207456733U publication Critical patent/CN207456733U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A kind of flow field survey device suitable for rectangle river provided by the utility model, it includes adjusting mechanism, mounting bracket, division box and measurement assembly, the depth being located at by the fixed seat on adjusting mechanism and elevating lever adjusting mounting bracket in river water body, the flow direction of local current is adjusted by division box, the flow field in river is measured by measurement assembly.Overcome former flow field survey simulating riverway, it is impossible to measure truthful data in river, it is of high cost the problem of.The utility model has simple in structure, measurement assembly is installed in the mounting bracket consistent with river, the depth in river is sunk to by adjusting mechanism adjusting mounting bracket, measurement assembly directly measures the flow field in true river, local water (flow) direction can change, measurement data is truer, quick and easy for installation, it is at low cost the characteristics of.

Description

Suitable for the flow field survey device in rectangle river
Technical field
The utility model belongs to river flow technical field, is related to a kind of flow field survey device suitable for rectangle river.
Background technology
Generated flow field section is to be not easy measured directly, flow field survey instrument, such as ADV at present in water (Acoustic Doppler Velocimetry, acoustic Doppler velocimetry), portable Flow Velocity Meter etc., it can only often obtain list Point or the non-instantaneous measurement of multiple spot, and since its is invasive, acquired result is inaccurate.With Particle Image Velocimetry (PIV, Particle Image Velocimetry)Continuous development, the above-mentioned deficiency brought is compensated for, so as to accurately obtaining Suitable for the flow field of rectangle river two dimensional surface.
With being constantly increasing for PIV usages, researcher often uses it for the measurement of flow field section in measurement water, And in current research, the more sink flow field survey laid particular emphasis under laboratory condition, such as measure circulating water chennel(Denmark Loligo System sinks)The flow field of sink.However, in actual life, what is met is more the duplication in river water body Then flowing, the more worth research of flow field mechanism can directly apply to the research in terms of the PIV system and devices in actual river It is relatively fewer.
The content of the invention
The technical problem to be solved by the utility model is to provide a kind of flow field survey device suitable for rectangle river, knots Structure is simple, measurement assembly is installed in the mounting bracket consistent with river, and the depth in river is sunk to by adjusting mechanism adjusting mounting bracket Degree, measurement assembly directly measure the flow field in true river, and local water (flow) direction can change, and measurement data is truer, easy for installation Fast, it is at low cost.
In order to solve the above technical problems, technical solution is used by the utility model:It is a kind of suitable for rectangle river Flow field survey device, it includes adjusting mechanism, mounting bracket, division box and measurement assembly;The adjusting mechanism includes fixing Seat, elevating lever and retaining mechanism;The mounting bracket is the thread empty frames frame of rectangle;The division box is platy structure;Institute The measurement assembly stated includes CCD underwater cameras, laser emitter, lens and trace particle;Elevating lever and peace on adjusting mechanism The top connection shelved, multiple division boxs are laid perpendicular to the front end of mounting bracket, and measurement assembly is located in mounting bracket.
The fixed seat is hollow tube;The elevating lever is similar to the rod-like structure of inverted L-shaped;The locking machine Structure is lock-screw;Elevating lever and the cooperation of the cavity of fixed seat lift, retaining mechanism locking.
The CCD underwater cameras are connected with upper beam after mounting bracket.
Upper beam connects before the laser emitter and mounting bracket.
The lens are connected with laser emitter, and the supporting plate of lower part and mounting bracket is fixed.
The trace particle is between division box.
The division box bottom is equipped with shaft, shaft and the shaft hole matching on mounting bracket bottom girder.
A kind of flow field survey device suitable for rectangle river, it includes adjusting mechanism, mounting bracket, division box and measurement Component;Adjusting mechanism includes fixed seat, elevating lever and retaining mechanism;Mounting bracket is the thread empty frames frame of rectangle;Division box is plate Shape structure;Measurement assembly includes CCD underwater cameras, laser emitter, lens and trace particle;Elevating lever on adjusting mechanism with The top connection of mounting bracket, multiple division boxs are laid perpendicular to the front end of mounting bracket, and measurement assembly is located in mounting bracket.Structure Simply, the depth being located at by the fixed seat on adjusting mechanism and elevating lever adjusting mounting bracket in river water body, by the way that water is divided to fill The flow direction for adjusting local current is put, the flow field in river is measured by measurement assembly, measurement data is truer, easy for installation fast Victory, it is at low cost.
In preferred scheme, fixed seat is hollow tube;Elevating lever is similar to the rod-like structure of inverted L-shaped;Retaining mechanism is Lock-screw;Elevating lever and the cooperation of the cavity of fixed seat lift, retaining mechanism locking.Simple in structure, lifting is convenient, and installation is fast It is prompt.
In preferred scheme, CCD underwater cameras are connected with upper beam after mounting bracket.It is easy for installation, it is rationally distributed.
In preferred scheme, laser emitter is connected with upper beam before mounting bracket.It is easy for installation, it is rationally distributed.
In preferred scheme, lens are connected with laser emitter, and the supporting plate of lower part and mounting bracket is fixed.It is firm to install, peace Dress is convenient, rationally distributed.
In preferred scheme, trace particle is between division box.It is seen by observing the activity of trace particle in water Examine analysis flow field.
In preferred scheme, division box bottom is equipped with shaft, shaft and the shaft hole matching on mounting bracket bottom girder.Pass through rotation Turn division box and reach the direction for changing current in river, it is functional stronger convenient for the flow field of different current in observation river.
A kind of flow field survey device suitable for rectangle river provided by the utility model, it includes adjusting mechanism, installation Frame, division box and measurement assembly adjust mounting bracket by the fixed seat on adjusting mechanism and elevating lever and are located in river water body Depth, the flow directions of local current is adjusted by division box, passes through measurement assembly and measures flow field in river.Overcome former stream Field measurement simulating riverway, it is impossible to measure truthful data in river, it is of high cost the problem of.The utility model have it is simple in structure, Measurement assembly is installed in the mounting bracket consistent with river, the depth in river, measurement are sunk to by adjusting mechanism adjusting mounting bracket Component directly measures the flow field in true river, and local water (flow) direction can change, and measurement data is truer, quick and easy for installation, into The characteristics of this is low.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples:
Fig. 1 is the structure diagram of the utility model.
In figure:Adjusting mechanism 1, fixed seat 11, elevating lever 12, retaining mechanism 13, mounting bracket 2, rear upper beam 21, preceding upper beam 22, supporting plate 23, bottom girder 24, division box 3, measurement assembly 4, CCD underwater cameras 41, laser emitter 42, lens 43, tracer grain Son 44.
Specific embodiment
In Fig. 1, a kind of flow field survey device suitable for rectangle river, it includes adjusting mechanism 1, mounting bracket 2, Fen Shui Device 3 and measurement assembly 4;The adjusting mechanism 1 includes fixed seat 11, elevating lever 12 and retaining mechanism 13;The installation Frame 2 is the thread empty frames frame of rectangle;The division box 3 is platy structure;The measurement assembly 4 includes CCD underwater cameras 41st, laser emitter 42, lens 43 and trace particle 44;Elevating lever 12 on adjusting mechanism 1 is connected with the top of mounting bracket 2, Multiple division boxs 3 are laid perpendicular to the front end of mounting bracket 2, and measurement assembly 4 is located in mounting bracket 2.It is simple in structure, pass through adjusting Fixed seat 11 and elevating lever 12 in mechanism 1 adjust the depth that mounting bracket 2 is located in river water body, are adjusted by division box 3 The flow direction of local current measures the flow field in river by measurement assembly 4, and measurement data is truer, quick and easy for installation, cost It is low.
In preferred scheme, the fixed seat 11 is hollow tube;The elevating lever 12 is similar to the bar of inverted L-shaped Shape structure;The retaining mechanism 13 is lock-screw;Elevating lever 12 and the cavity cooperation of fixed seat 11 lift, retaining mechanism 13 Locking.Simple in structure, lifting is convenient, quick for installation.
In preferred scheme, the CCD underwater cameras 41 are connected with upper beam 21 after mounting bracket 2.It is easy for installation, layout Rationally.
In preferred scheme, the laser emitter 42 is connected with upper beam 22 before mounting bracket 2.It is easy for installation, layout Rationally.
In preferred scheme, the lens 43 are connected with laser emitter 42, and lower part and the supporting plate 23 of mounting bracket 2 are solid It is fixed.It is firm to install, easy for installation, rationally distributed.
In preferred scheme, the trace particle 44 is between division box 3.Existed by observing trace particle 44 Movable observing analysis flow field in water.
In preferred scheme, 3 bottom of division box is equipped with shaft, shaft and the axis on 2 bottom girder 24 of mounting bracket Hole coordinates.Reach the direction for changing current in river by rotary return device 3, convenient for the stream of different current in observation river , it is functional stronger.
The flow field survey device as described above for being suitable for rectangle river, in use, 11 He of fixed seat on adjusting mechanism 1 Elevating lever 12 adjusts the depth that mounting bracket 2 is located in river water body, and division box 3 adjusts the flow direction of local current, measurement assembly 4 The flow field in river is measured, measurement data is truer, quick and easy for installation, at low cost.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model It makes, the feature in embodiment and embodiment in the application in the case where there is no conflict, can be mutually combined.This practicality is new The protection domain of type should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim Equivalents are protection domain.Equivalent substitution i.e. within this range is improved, also the scope of protection of the utility model it It is interior.

Claims (7)

1. a kind of flow field survey device suitable for rectangle river, it is characterized in that:It includes adjusting mechanism(1), mounting bracket(2)、 Division box(3)And measurement assembly(4);The adjusting mechanism(1)Including fixed seat(11), elevating lever(12)And retaining mechanism (13);The mounting bracket(2)For the thread empty frames frame of rectangle;The division box(3)For platy structure;The measurement group Part(4)Including CCD underwater cameras(41), laser emitter(42), lens(43)And trace particle(44);Adjusting mechanism(1)On Elevating lever(12)With mounting bracket(2)Top connection, multiple division boxs(3)Perpendicular to mounting bracket(2)Front end lay, survey Measure component(4)Positioned at mounting bracket(2)It is interior.
2. the flow field survey device according to claim 1 suitable for rectangle river, it is characterized in that:The fixed seat (11)For hollow tube;The elevating lever(12)Similar to the rod-like structure of inverted L-shaped;The retaining mechanism(13)For locking Screw;Elevating lever(12)With fixed seat(11)Cavity cooperation lifting, retaining mechanism(13)Locking.
3. the flow field survey device according to claim 1 suitable for rectangle river, it is characterized in that:The CCD is underwater Camera(41)With mounting bracket(2)Upper beam afterwards(21)Connection.
4. the flow field survey device according to claim 1 suitable for rectangle river, it is characterized in that:The Laser emission Device(42)With mounting bracket(2)Preceding upper beam(22)Connection.
5. the flow field survey device suitable for rectangle river according to claim 1 or 4, it is characterized in that:The lens (43)With laser emitter(42)Connection, lower part and mounting bracket(2)Supporting plate(23)It is fixed.
6. the flow field survey device according to claim 1 suitable for rectangle river, it is characterized in that:The trace particle (44)Positioned at division box(3)Between.
7. the flow field survey device suitable for rectangle river according to claim 1 or 6, it is characterized in that:Described divides water Device(3)Bottom is equipped with shaft, shaft and mounting bracket(2)Bottom girder(24)On shaft hole matching.
CN201721651272.3U 2017-12-01 2017-12-01 Suitable for the flow field survey device in rectangle river Expired - Fee Related CN207456733U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721651272.3U CN207456733U (en) 2017-12-01 2017-12-01 Suitable for the flow field survey device in rectangle river

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721651272.3U CN207456733U (en) 2017-12-01 2017-12-01 Suitable for the flow field survey device in rectangle river

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Publication Number Publication Date
CN207456733U true CN207456733U (en) 2018-06-05

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CN201721651272.3U Expired - Fee Related CN207456733U (en) 2017-12-01 2017-12-01 Suitable for the flow field survey device in rectangle river

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113720401A (en) * 2021-09-27 2021-11-30 成都市环境应急指挥保障中心 Open channel flow measurement system and method based on underwater particle velocity measurement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113720401A (en) * 2021-09-27 2021-11-30 成都市环境应急指挥保障中心 Open channel flow measurement system and method based on underwater particle velocity measurement

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

Granted publication date: 20180605

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