CN205748872U - A kind of simulation of wind device for ocean engineering model test - Google Patents
A kind of simulation of wind device for ocean engineering model test Download PDFInfo
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- CN205748872U CN205748872U CN201620519677.0U CN201620519677U CN205748872U CN 205748872 U CN205748872 U CN 205748872U CN 201620519677 U CN201620519677 U CN 201620519677U CN 205748872 U CN205748872 U CN 205748872U
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- 238000013481 data capture Methods 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 4
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Abstract
This utility model relates to field of ocean engineering, a kind of simulation of wind device for ocean engineering model test, including blower fan battle array device and TT&C system, described blower fan battle array device include entrance, power section, rectification section, under curved contraction changeover portion and stabilization of export section, each section is connected with each other by flange, and is provided with sealing rubber pad at flange connections；Described TT&C system includes the pitot tube of stabilization of export section, the blower fan group of power section and motor unit, additionally include external micro-pressure-difference transmitter, converter, data collecting card and industrial computer, the pitot tube of described stabilization of export section is connected to external micro-pressure-difference transmitter input by hollow hoses, described micro-pressure-difference transmitter outfan is sequentially connected with external data capture card and industrial computer by holding wire respectively, and described external data capture card is sequentially connected with external converter, the motor unit of power section and blower fan group respectively by wire.It is high that this utility model makes wind quality, and cost is much smaller than wind-tunnel, and its convenience and the suitability are relatively strong, and the development to ocean engineering technology has positive impetus.
Description
Technical field
This utility model relates to a kind of simulation of wind device for ocean engineering model test, belongs to ocean engineering technology
Field.
Background technology
Ocean engineering structure, as offshore production platform, offshore wind farm unit etc. bear wind, wave, stream complex environment for a long time
Load action, its correlational study relies more heavily on wave tank model test, and the accuracy of model test result and reliability
Closely related with environmental load analog, wherein Simulation of wind device be very important environmental load analog it
One.
Simulation to marine environment wind load, generally uses two kinds of basic ways, and a kind of method is wind tunnel simulation, Ru Haer
Wind-tunnel Lang Cao joint laboratory of shore polytechnical university, wind-tunnel can simulate the wind field of higher quality, but its defect shows (1)
Wind-tunnel construction cost and model test expense are the highest；(2) wind is made by the scope of freedom motion of interference wave due to entirety
Often lead to the dynamic response distortion of structure；The wind apparatus of simply making that another kind of method is the most widely used is simulated, by one group
Or how group blower fan forms blower fan battle array, is placed on above pool side or trailer, carries out local near test model and make wind, for simply making
Wind apparatus, the device described in representative is document [1], its defect is not have rectification measure poor quality, and noise is big, is subject to
Pond bank interference, without TT&C system；Document [2] had done further improvement later, added fairing, but owing to not receiving
Contracting section and acoustic filter, wind speed decreased is very fast, and energy consumption is big, and noise is big, and without TT&C system；
[1]Hyunkyoung Shin,Pham Thanh Dam,Kwang Jin Jung etc.Model test of
new floating offshore wind turbine platforms,Int.J.Naval Archit.Ocean Eng.
(2013) 5:199～209.http: //dx.doi.org/10.2478/IJNAOE-2013-0127
[2] Zhao Yongsheng, He Yanping, Yang Jianmin, Gu Mintong. marine buoyant wind machine water pool model test is with making wind dress
Put, Shanghai Communications University. application number: 201410152889.5 applyings date: 2014-04-16
Summary of the invention
In order to solve above-mentioned problems of the prior art, this utility model purpose is to provide a kind of for ocean engineering
The simulation of wind device of model test.This device lays acoustic filter in power section, can effectively reduce the noise of blower fan, under utilization
Curved contraction changeover portion can effectively get rid of the interference to modeling wind field of the pond bank, makes the air-flow from rectification section uniformly accelerate, and changes
The flow field quality of kind outlet section, utilizes TT&C system, can realize simulating ocean environment API wind spectrum and vertical gradient wind.
In order to realize foregoing invention purpose, to topic present in solution prior art, the technical side that this utility model is taked
Case is: a kind of simulation of wind device for ocean engineering model test, including blower fan battle array device and TT&C system, described blower fan
Battle array device include entrance, power section, rectification section, under curved contraction changeover portion and stabilization of export section, wherein, described entrance, dynamic
The shape of power section, rectification section and stabilization of export section is uiform section rectangular cylinder, and is and is horizontally disposed with, described under curved shrank
To be square-section, top and bottom and both sides be curved surface in be shaped as irregular rectangular cylinder, inlet end and the outlet side of the section of crossing, described
Power section is internally installed upper, the blower fan battle array of middle and bottom layers blower fan group composition, and every layer of blower fan group is made up of 5 Fans, in blower fan battle array
Every Fans all attach a motor, every layer of 5 motor are one group, in composition, middle and bottom layers motor unit, close
Rectification section position is provided with acoustic filter；Described rectification section is internally installed honeycomb and damping screen, and damping screen is placed on honeycomb
Downstream, is used for leading straight air-flow, reducing turbulivity, and described stabilization of export section sidewall is vertically uniformly arranged, middle and bottom layers skin
Trustship, described each section is connected with each other by flange, and is provided with sealing rubber pad at flange connections；Described TT&C system includes surely
Determine upper, the middle and bottom layers pitot tube of outlet section, upper, the middle and bottom layers blower fan group of power section and upper, middle and bottom layers motor unit, additionally
Also include outer connecting, middle and bottom layers micro-pressure-difference transmitter, upper, middle and bottom layers converter, data collecting card and industrial computer, described stable
Upper, the middle and bottom layers pitot tube of outlet section are connected outside being connected to by hollow hoses, middle and bottom layers micro-pressure-difference transmitter input, institute
State, middle and bottom layers micro-pressure-difference transmitter outfan is sequentially connected with external data capture card and industrial computer by holding wire respectively,
Described external data capture card by wire respectively with connect outward, upper, the middle and bottom layers motor of middle and bottom layers converter, power section
Group and upper, middle and bottom layers blower fan group are sequentially connected with.
Under described, the lower bending angle of curved contraction changeover portion is 20-30 °, for getting rid of the interference to modeling wind field of the pond bank.
Under described, curved contraction changeover portion outlet side and inlet end square-section area ratio are 1:1.4-1.6.
Described honeycomb is regular hexagon trellis, and radius and side ratio are 1:4.5-5.5.
Described damping screen is stainless steel cloth, and reticular density is 15-24 mesh.
Described stabilization of export section horizontal axis entrance to be less than, power section, the horizontal axis 0.15-0.3m of rectification section.
This utility model provides the benefit that: a kind of simulation of wind device for ocean engineering model test, including blower fan
Battle array device and TT&C system, described blower fan battle array device include entrance, power section, rectification section, under curved contraction changeover portion and stable
Outlet section, wherein, the shape of described entrance, power section, rectification section and stabilization of export section is uiform section rectangular cylinder, and all
For being horizontally disposed with, described under be shaped as irregular rectangular cylinder, inlet end and the outlet side of curved contraction changeover portion be rectangle and cut
Face, top and bottom and both sides are curved surface, and described power section is internally installed upper, the blower fan battle array of middle and bottom layers blower fan group composition, every layer of wind
Unit is made up of 5 Fans, and the every Fans in blower fan battle array all attaches a motor, and every layer of 5 motor are one group, constitutes
Upper, middle and bottom layers motor unit, is being provided with acoustic filter near rectification section position；Described rectification section is internally installed have honeycomb and
Damping screen, damping screen is placed on honeycomb downstream, is used for leading straight air-flow, reducing turbulivity, and described stabilization of export section sidewall is along hanging down
Nogata to being uniformly arranged, middle and bottom layers pitot tube, described each section is connected with each other by flange, and is provided with at flange connections close
Envelope rubber blanket；Described TT&C system includes upper, the middle and bottom layers pitot tube of stabilization of export section, upper, the middle and bottom layers blower fan of power section
Group and upper, middle and bottom layers motor unit, additionally include outer connect, middle and bottom layers micro-pressure-difference transmitter, upper, middle and bottom layers converter,
Data collecting card and industrial computer, upper, the middle and bottom layers pitot tube of described stabilization of export section is connected to outer to connect by hollow hoses,
Middle and bottom layers micro-pressure-difference transmitter input, described upper, middle and bottom layers micro-pressure-difference transmitter outfan respectively by holding wire with outer
Connect data collecting card and industrial computer be sequentially connected with, described external data capture card by wire respectively with connect outward, middle and bottom layers become
Frequently device, upper, the middle and bottom layers motor unit of power section and upper, middle and bottom layers blower fan group are sequentially connected with.Compared with the prior art, this reality
Making wind quality height with novel, and cost is much smaller than wind-tunnel, therefore its convenience and the suitability are relatively strong, to ocean engineering technology
Development there is positive impetus.
Accompanying drawing explanation
Fig. 1 is this utility model side elevational cross-section structural representation.
Fig. 2 is this utility model top view cross section structural representation.
Fig. 3 is the blower fan battle array layout drawing in this utility model.
Fig. 4 is the TT&C system structured flowchart in this utility model.
In figure: 1, entrance, 2, power section, 3, rectification section, 4, under curved contraction changeover portion, 5, stabilization of export section, 6, eliminate the noise
Device, 7, upper strata blower fan group, 7a, middle level blower fan group, 7b, bottom blower fan group, 8, upper strata motor unit, 8a, middle level motor unit,
8b, bottom motor unit, 9, honeycomb, 10, damping screen, 11, upper strata pitot tube, 11a, middle level pitot tube, 11b, bottom skin torr
Pipe.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1,2,3, 4, a kind of simulation of wind device for ocean engineering model test, including blower fan battle array device
And TT&C system, described blower fan battle array device include entrance 1, power section 2, rectification section 3, under curved contraction changeover portion 4 and stable go out
Mouth section 5, the shape of described entrance 1, power section 2, rectification section 3 and stabilization of export section 5 is uiform section rectangular cylinder, and is
It is horizontally disposed with, wherein, a length of 0.3m of entrance 1, a width of 3.8m, a height of 2.4m；Power section 2, rectification section 3 are long is 1.5m, width
Be 3.8m, height is 2.4m；Under described, curved contraction changeover portion 4 is shaped as irregular rectangular cylinder, inlet end and outlet side
Being square-section, top and bottom and both sides is curved surface, a width of 3.8m of inlet end, a height of 2.4m, a width of 3.0m in outlet side, a height of
2.0m, described power section 2 is internally installed upper, middle and bottom layers blower fan group 7, the blower fan battle array of 7a, 7b composition, and every Fans all uses
Being 6 blade fans, a diameter of 0.7m, every layer of blower fan group is made up of 5 Fans, and the every Fans in blower fan battle array all attaches an electricity
Motivation, is all adopted as phase asynchronous ac motor, and every power is 5.5KW, and every layer of 5 motor are one group, in composition,
Middle and bottom layers motor unit 8,8a, 8b, be provided with acoustic filter 6 near rectification section 3 position；Described rectification section 3 is internally installed to be had
Honeycomb 9 and damping screen 10, damping screen 10 is placed on the downstream of honeycomb 9, and spacing is 0.2m, is used for leading straight air-flow, reducing rapids
Mobility, described stabilization of export section 5 sidewall is vertically uniformly arranged, middle and bottom layers pitot tube 11,11a, 11b, described each section
It is connected with each other by flange, and is provided with sealing rubber pad at flange connections；Described TT&C system includes stabilization of export section 5
Upper, middle and bottom layers pitot tube 11,11a, 11b, upper, the middle and bottom layers blower fan group 7 of power section 2,7a, 7b and upper, middle and bottom layers motor
Group 8,8a, 8b, additionally include outer connect, middle and bottom layers micro-pressure-difference transmitter, upper, middle and bottom layers converter, data collecting card and
Industrial computer, upper, the middle and bottom layers pitot tube 11 of described stabilization of export section 5,11a, 11b be connected to outer to connect by hollow hoses,
Middle and bottom layers micro-pressure-difference transmitter input, described upper, middle and bottom layers micro-pressure-difference transmitter outfan respectively by holding wire with outer
Connect data collecting card and industrial computer be sequentially connected with, described external data capture card by wire respectively with connect outward, middle and bottom layers become
Frequently device, upper, the middle and bottom layers motor unit 8 of power section, 8a, 8b and upper, middle and bottom layers blower fan group 7,7a, 7b are sequentially connected with.Specifically
Work process is as follows: when Simulation of wind device uses, and connects the main circuit of Simulation of wind device, by connecting outward, in, the end
Layer converter energising, and start upper, middle and bottom layers motor unit 8,8a, 8b and upper, middle and bottom layers pitot tube 11,11a, 11b, by wind
Field measurement information by connecting outward, middle and bottom layers micro-pressure-difference transmitter is converted into voltage signal and flows to external data capture card, through place
Be transferred to external industrial computer after reason, carry out monitoring and controlling running status, and connected outward by set point feedback, middle and bottom layers becomes
Frequently device, is received by the signal of converter and carries out frequency shift, and whole control system constantly receives feedback, thus realizes test and want
The wind load feature asked.Under described, the lower bending angle of curved contraction changeover portion is 30 °, does modeling wind field for getting rid of pond bank
Disturbing, described honeycomb 9 is regular hexagon trellis, and radius and side ratio are 1:5.Described damping screen 10 is stainless steel cloth,
Reticular density is 18 mesh, described stabilization of export section 5 horizontal axis entrance to be less than 1, power section 2, the horizontal axis of rectification section 3
0.2m。
This utility model advantage is: a kind of simulation of wind device for ocean engineering model test, makes wind quality high,
And cost is much smaller than wind-tunnel, therefore its convenience and the suitability are relatively strong, and the development to ocean engineering technology has positive pushing away
Action is used.
Claims (6)
1. for a simulation of wind device for ocean engineering model test, including blower fan battle array device and TT&C system, its feature
Be: described blower fan battle array device include entrance, power section, rectification section, under curved contraction changeover portion and stabilization of export section, wherein,
The shape of described entrance, power section, rectification section and stabilization of export section is uiform section rectangular cylinder, and is and is horizontally disposed with,
Under described, be shaped as irregular rectangular cylinder, inlet end and the outlet side of curved contraction changeover portion are square-section, top and bottom and
Both sides are curved surface, and described power section is internally installed upper, the blower fan battle array of middle and bottom layers blower fan group composition, and every layer of blower fan group is by 5 typhoons
Machine forms, and the every Fans in blower fan battle array all attaches a motor, and every layer of 5 motor are one group, in composition, middle and bottom layers
Motor unit, is being provided with acoustic filter near rectification section position；Described rectification section is internally installed honeycomb and damping screen, damping
Net is placed on honeycomb downstream, is used for leading straight air-flow, reducing turbulivity, and described stabilization of export section sidewall the most uniformly sets
Put, middle and bottom layers pitot tube, described each section is connected with each other by flange, and is provided with sealing rubber pad at flange connections；Described
TT&C system includes upper, the middle and bottom layers pitot tube of stabilization of export section, upper, the middle and bottom layers blower fan group of power section and upper, middle and bottom layers
Motor unit, additionally include outer connect, middle and bottom layers micro-pressure-difference transmitter, upper, middle and bottom layers converter, data collecting card and work
Control machine, upper, the middle and bottom layers pitot tube of described stabilization of export section are connected outside being connected to by hollow hoses, middle and bottom layers micro-pressure-difference becomes
Sending device input, described upper, middle and bottom layers micro-pressure-difference transmitter outfan is respectively by holding wire and external data capture card and work
Control machine is sequentially connected with, described external data capture card by wire respectively with connect outward, middle and bottom layers converter, power section upper,
Middle and bottom layers motor unit and upper, middle and bottom layers blower fan group are sequentially connected with.
A kind of simulation of wind device for ocean engineering model test, it is characterised in that: described
Under the lower bending angle of curved contraction changeover portion be 20-30 °, for getting rid of the interference to modeling wind field of the pond bank.
A kind of simulation of wind device for ocean engineering model test, it is characterised in that: described
Under curved contraction changeover portion outlet side and inlet end square-section area ratio be 1:1.4-1.6.
A kind of simulation of wind device for ocean engineering model test, it is characterised in that: described
Honeycomb is regular hexagon trellis, and radius and side ratio are 1:4.5-5.5.
A kind of simulation of wind device for ocean engineering model test, it is characterised in that: described
Damping screen is stainless steel cloth, and reticular density is 15-24 mesh.
A kind of simulation of wind device for ocean engineering model test, it is characterised in that: described
Stabilization of export section horizontal axis entrance to be less than, power section, the horizontal axis 0.15-0.3m of rectification section.
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| CN201620519677.0U CN205748872U (en) | 2016-06-01 | 2016-06-01 | A kind of simulation of wind device for ocean engineering model test |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526069A (en) * | 2016-12-22 | 2017-03-22 | 公安部四川消防研究所 | Environment wind field simulation unit and environment wind field simulation system applied to fireproof performance test of building exterior wall |
| CN107543680A (en) * | 2017-10-10 | 2018-01-05 | 重庆交通大学 | It is a kind of to realize wind, wave, the experimental system of rain coupling |
| CN109163874A (en) * | 2018-08-24 | 2019-01-08 | 中国飞机强度研究所 | The self-walking fan battle array that can be freely combined |
| CN109515744A (en) * | 2018-11-02 | 2019-03-26 | 合肥工业大学 | Contracting is than aerostatics experimental rig under a kind of complex environment |
| CN113050456A (en) * | 2021-03-26 | 2021-06-29 | 中国人民解放军63660部队 | Ground simulation test system for near space aerostat |
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2016
- 2016-06-01 CN CN201620519677.0U patent/CN205748872U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526069A (en) * | 2016-12-22 | 2017-03-22 | 公安部四川消防研究所 | Environment wind field simulation unit and environment wind field simulation system applied to fireproof performance test of building exterior wall |
| CN106526069B (en) * | 2016-12-22 | 2018-12-04 | 公安部四川消防研究所 | Surroundings wind field simulation system applied to external wall fire-protecting test |
| CN107543680A (en) * | 2017-10-10 | 2018-01-05 | 重庆交通大学 | It is a kind of to realize wind, wave, the experimental system of rain coupling |
| CN109163874A (en) * | 2018-08-24 | 2019-01-08 | 中国飞机强度研究所 | The self-walking fan battle array that can be freely combined |
| CN109515744A (en) * | 2018-11-02 | 2019-03-26 | 合肥工业大学 | Contracting is than aerostatics experimental rig under a kind of complex environment |
| CN113050456A (en) * | 2021-03-26 | 2021-06-29 | 中国人民解放军63660部队 | Ground simulation test system for near space aerostat |
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