CN204228378U - A kind of wave stream test unit of circulating water flow - Google Patents
A kind of wave stream test unit of circulating water flow Download PDFInfo
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- CN204228378U CN204228378U CN201420766049.3U CN201420766049U CN204228378U CN 204228378 U CN204228378 U CN 204228378U CN 201420766049 U CN201420766049 U CN 201420766049U CN 204228378 U CN204228378 U CN 204228378U
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Abstract
The utility model discloses a kind of wave stream test unit of circulating water flow, comprise experimental tank, current generating system, wave making system and acquisition control system.Experimental tank and circulating line form inside and are communicated with the current vertical circulation loop closed, and circulating line is immediately below bottom of gullet, and experimental tank inner filling water, is driven by axial flow pump, produce the current of motion.Wave making machine does straight reciprocating motion by driven by motor push pedal, and the water body promoted in tank produces wave, arranges the wave breaker of gradient adjustable, eliminates the impact of reflection wave on test.Acquisition control system is responsible for the control of wave stream and the collection of data in experimental tank.The utility model generates the high flow rate current of large discharge and different types of wave in experimental tank, and can eliminate reflection wave, and for carrying out wave, the test of mobilization force environment provides reliable technological means.
Description
Technical field
The utility model relates to ocean dynamical environment test unit, particularly relates to a kind of wave stream test unit adopting axial flow pump to drive the adjustable wave breaker gradient of water circulation.
Background technology
In ocean development process, the research and development of the new and high technologies such as ocean monitoring technologytechnologies, ocean energy evaluation and exploration technology is the important step promoting that Sustainable Marine develops.
But marine environment is changeable and complicated, and ocean current, wave etc. directly act on marine environmental monitoring instrument and equipment and ocean power generating device, affect safe operation and the stability of equipment.
Therefore, in marine environmental monitoring instrument and equipment and ocean power generating device development process, simulation laboratory test is one of important research means, marine environment can be reproduced by indoor marine environment test unit, the technical indicator of checking ocean monitor instrument equipment and ocean power generating device and environmental suitability, for its technical development provides scientific basis, promote the industrialization process of ocean high and new technology research and development achievement.
The existing indoor marine environment test unit that can produce wave stream is made up of experimental tank and current generating system and wave making system, cooperates with water body in tank, produce the ocean current in order to test and wave by current generating system and wave making system.
The mode producing current has horizontal cyclic and vertical circulation current two kinds of forms.The experimental tank facility floor area of horizontal cyclic current is comparatively large, mostly therefore is facility on a small scale.In facility experimental tank, mixed flow section is shorter on a small scale, and pilot region is not easy to form stable wave stream mixing field, affects the authenticity of test figure.Existing vertical circulating water flow test tank adopts the form of driven by motor screw propeller to drive water movement, but the accurate flow control of more difficult realization.
Produce the indoor marine environment experimental tank of wave, normally produce wave by wave making machine, the wave breaker being arranged on wave making machine offside be made up of fixed head carries out wave absorption.Existing wave breaker is fixing gradient form, and the wave dissipation effect for difference wave period of wave is undesirable.
Utility model content
For the marine environment test unit of prior art water flow test tank existing for problem, the utility model releases a kind of recirculated water wandering stream test unit of new structure, axial flow pump is adopted to drive current vertical circulation, adopt the wave breaker of gradient adjustable to eliminate the impact of reflection wave, more effectively carry out ocean dynamical environment simulation test.
The wave stream test unit of a kind of circulating water flow involved by the utility model comprises experimental tank, current generating system, wave making system and acquisition control system, current generating system to be arranged in experimental tank base and to have that pipeline and experimental tank are inner to be communicated with, wave making system is arranged in experimental tank, current generating system and wave making system drive the water body in tank to produce current and wave, the current drive system of current generating system and wave making system are connected with the computing machine of acquisition control system, acquisition control system controls the running of current generating system and wave making system, the measuring instrument of acquisition control system to be placed in tank water body and wave in acquisition test tank and water flow data.
Experimental tank is rectangular shape, inner filling water, arranges water inlet and water delivering orifice bottom two ends.Experimental tank housing two ends are reinforced concrete structure, and the both sides in semipilot region are tempered glass, are convenient to process of the test in viewing test tank.
Current generating system comprises current drive system, circulating line, rectifier box and flow deflector.
Current drive system is made up of current drive motor and axial flow pump, and current drive motor is arranged on the base of experimental tank bottom, and axial flow pump is arranged on the outside of the circulating line below the water delivering orifice of experimental tank, is connected with circulating line by flange.
Circulating line is arranged in the base of experimental tank bottom, is positioned at immediately below experimental tank.Circulating line is closed conduit, step-by-step design, and every section of two ends are provided with flange, and flange bolt connects, junction packing matcrial.Circulating line two ends form bend pipe upwards, and the bend pipe at two ends is communicated with water inlet with the water delivering orifice of experimental tank two side ends bottom respectively.Circulating line and experimental tank form the inner current vertical circulation loop be communicated with.
The pipe bent position that circulating line is communicated with experimental tank side water inlet arranges flow deflector, and flow deflector is curved, is beneficial to the circulation of circulating line pipe bent position current.
Arrange rectifier box in experimental tank side water inlet, rectifier box is processed by epoxy resin board, inner in square honeycomb screen form, for leading straight incoming flow, eliminates the flowing that incoming flow rotates and reduces current transverse direction.
Wave making system comprises wave making machine and wave breaker.Wave making machine is arranged on the shell end of the experimental tank of water inlet side, comprises wave making machine motor, leading screw, screw and push pedal.
Wave making machine motor is arranged on the reinforced concrete structure of experimental tank end, wave making machine motor output shaft connects leading screw one end, in the screw that leading screw other end insertion push pedal is installed, leading screw external thread engages with screw internal thread, and push pedal is vertically set in the water in experimental tank.Wave making machine driven by motor screw turns, changes gyration into rectilinear motion by screw, promotes push pedal translation.When wave making machine motor constantly carries out rotating and reverse motion, push pedal will carry out straight reciprocating motion thereupon, constantly by the water body in energy transferring feed trough, produce wave.
Wave breaker forms with rectilinear motion module by wave absorption is domatic, is arranged on the shell end of the experimental tank of the water delivering orifice side of wave making machine offside.Wave absorption is domatic to be arranged in water, is certain angle with experimental tank bottom level direction.The domatic one end of wave absorption and experimental tank bottom-hinged, the other end is connected with rectilinear motion module.Rectilinear motion module is the system module that line slideway and ball screw form, and drives the domatic motion of wave absorption by the vertical linear motion of rectilinear motion module, realizes the function regulating the domatic gradient of wave absorption.The domatic upper layout sponge of wave absorption or composite fibre materials improve wave dissipation effect.
Acquisition control system comprises wave-height gauge, Flow speed measurer, frequency converter, collector and computing machine.Wave-height gauge and Flow speed measurer are arranged in the water in experimental tank, and wave-height gauge, Flow speed measurer are connected with collector respectively, and collector is connected with computing machine, and computing machine connects frequency converter.Frequency converter connects current drive motor and the wave making machine motor of current drive system respectively.
When carrying out wave stream compbined test, first in the computing machine of acquisition control system, flow velocity and wave parameter is set, according to the gradient that wave parameter regulates wave breaker wave absorption domatic, frequency converter, according to setup parameter determination wave making machine and current drive system motor speed separately, then powers up starter motor.Axial flow pump drives water sports, makes the current vertical circulation loop flow that water body is formed along experimental tank and circulating line.The positive and negative rotation of wave making machine motor drives push pedal to do straight reciprocating motion, and the water body promoting flowing in tank produces wave, starts test.The wave that wave making machine produces eliminated by wave breaker, gets rid of the impact of reflection wave on test, improves the accuracy of test.
In process of the test, the flow velocity that wave height measured by wave-height gauge, Flow speed measurer measures water, measure numerical value input computing machine, computing machine by the automatic control and regulation motor speed of frequency converter, thus makes the wave in experimental tank, flows parameter stability within the scope of default value.
The wave stream test unit of the circulating water flow involved by the utility model adopts axial flow pump to drive the form of current vertical circulation, the current of high flow rate and the wave stream operating condition of test of various wave coupling can be produced, the truth of wave stream change in experiment lab simulation marine environment, and the impact by regulating the domatic gradient of wave absorption effectively to eliminate reflection wave, for marine environmental monitoring instrument and equipment and ocean power generating device carry out the test of unrestrained mobilization force environment, provide reliable technological means.
Accompanying drawing explanation
Fig. 1 is the structural representation of the wave stream test unit of the circulating water flow that the utility model relates to.
Description of symbols in figure:
1. experimental tank 2. wave making machine motor
3. leading screw 4. push pedal
5. water inlet 6. rectifier box
7. current 8. wave-height gauge
9. Flow speed measurer 10. water delivering orifice
The domatic 12. rectilinear motion modules of 11. wave absorptions
13. current drive system 14. circulating lines
15. base 16. flow deflectors
Embodiment
Now by reference to the accompanying drawings the technical solution of the utility model is described further.Fig. 1 shows the basic structure of the wave stream test unit of circulating water flow, and as shown in the figure, the wave stream test unit of circulating water flow comprises experimental tank, current generating system, wave making system and acquisition control system.
Experimental tank 1 is in rectangular shape, and inner filling water stream, experimental tank housing two ends are reinforced concrete structure, and the both sides in semipilot region are tempered glass, are convenient to process of the test in viewing test tank.
Current generating system comprises current drive system 13, circulating line 14, rectifier box 6 and flow deflector 16.Current drive system 13 is made up of current drive motor and axial flow pump.Current motor is arranged on the base 15 of experimental tank bottom.Axial flow pump is arranged on the outside of the circulating line 14 below the water delivering orifice 10 of experimental tank, is connected with circulating line 14 by flange.Circulating line 14 is arranged in the base 15 of experimental tank 1 bottom, and circulating line 14 is positioned at immediately below experimental tank 1.Circulating line 14 is closed conduit, step-by-step design, and every section of two ends are provided with flange, and flange bolt connects, junction packing matcrial.Circulating line two ends form bend pipe upwards, and the bend pipe at two ends is communicated with water inlet 5 with the water delivering orifice 10 of experimental tank 1 two side ends bottom respectively.The bend pipe bottom of water inlet 5 side of circulating line 14 arranges flow deflector 16.Water inlet 5 place of experimental tank 1 arranges rectifier box 6.Experimental tank 1 and circulating line 14 form the inner current vertical circulation loop be communicated with.
Wave making system comprises wave making machine and wave breaker.Wave making machine is arranged on the shell end of the experimental tank 1 of water inlet 5 side, comprises wave making machine motor 2, leading screw 3, screw and push pedal 4.Wave making machine motor 2 is arranged on the reinforced concrete structure of experimental tank 1 end, wave making machine motor 2 output shaft connects leading screw 3 one end, in the screw that leading screw 3 other end insertion push pedal is installed, leading screw 3 external thread engages with screw internal thread, and push pedal 4 is vertically set in the water in experimental tank 1.Wave making machine motor 2 drives leading screw 3 to rotate, and changes gyration into rectilinear motion by screw, promotes push pedal 4 translation.When wave making machine motor 2 constantly carries out rotating and reverse motion, push pedal 4 will carry out straight reciprocating motion thereupon, constantly by the water body in energy transferring feed trough, produce wave.Wave breaker is made up of wave absorption domatic 11 and rectilinear motion module 12, is arranged on wave making machine offside, i.e. the shell end of the experimental tank 1 of water delivering orifice 10 side.Domatic 11 one end of wave absorption and experimental tank 1 bottom-hinged, the other end is connected with rectilinear motion module 12, drives domatic 11 motions of wave absorption, realize the function regulating domatic 11 gradients of wave absorption by the vertical linear motion of rectilinear motion module 12.Wave absorption domatic 11 is arranged sponge or composite fibre materials improve wave dissipation effect.
Acquisition control system comprises wave-height gauge 8, Flow speed measurer 9, frequency converter, collector and computing machine.Wave-height gauge 8 and Flow speed measurer 9 are arranged in the water in experimental tank 1, and wave-height gauge 8, Flow speed measurer 9 are connected with collector respectively, and collector is connected with the computing machine of acquisition control system, and computing machine connects frequency converter.Frequency converter connects current drive motor and the wave making machine motor of current drive system 13 respectively.
Claims (4)
1. the wave stream test unit of a circulating water flow, it is characterized in that: comprise experimental tank, current generating system, wave making system and acquisition control system, current generating system to be arranged in experimental tank base and to have that pipeline and experimental tank are inner to be communicated with, wave making system is arranged in experimental tank, current generating system and wave making system drive the water body in tank to produce current and wave, the current drive system of current generating system and wave making system are connected with the computing machine of acquisition control system, acquisition control system controls the running of current generating system and wave making system, the measuring instrument of acquisition control system to be placed in tank water body and wave in acquisition test tank and water flow data,
Described current generating system comprises current drive system, circulating line, rectifier box and flow deflector, circulating line is arranged in the base of experimental tank bottom, circulating line two ends form bend pipe upwards, the bend pipe at two ends is communicated with water inlet with the water delivering orifice of experimental tank two side ends bottom respectively, and circulating line and experimental tank form the inner current vertical circulation loop be communicated with;
Described current drive system is made up of current drive motor and axial flow pump, and current drive motor is arranged on the base of experimental tank bottom, and axial flow pump is arranged on the outside of the circulating line below the water delivering orifice of experimental tank, is connected with circulating line by flange;
Described wave making system comprises wave making machine and wave breaker, wave making machine is arranged on the shell end of the experimental tank of water inlet side, comprise wave making machine motor, leading screw, screw and push pedal, wave making machine motor output shaft connects leading screw one end, the insertion of the leading screw other end is arranged in the screw in push pedal, and push pedal is vertically set in the water in experimental tank; Wave breaker forms with rectilinear motion module by wave absorption is domatic, and wave absorption is domatic to be arranged in water, the domatic one end of wave absorption and experimental tank bottom-hinged, and the other end is connected with rectilinear motion module; Rectilinear motion module is the system module that line slideway and ball screw form, and drives the domatic motion of wave absorption by the vertical linear motion of rectilinear motion module;
Described acquisition control system comprises wave-height gauge, Flow speed measurer, frequency converter, collector and computing machine, wave-height gauge and Flow speed measurer are arranged in the water in experimental tank, wave-height gauge, Flow speed measurer are connected with collector respectively, collector is connected with the computing machine of acquisition control system, computing machine connects frequency converter, and frequency converter connects current drive motor and the wave making machine motor of current drive system respectively.
2. the wave stream test unit of a kind of circulating water flow according to claim 1, is characterized in that: described experimental tank is rectangular shape, and experimental tank housing two ends are reinforced concrete structure, and the both sides in semipilot region are tempered glass.
3. the wave stream test unit of a kind of circulating water flow according to claim 1, is characterized in that: described circulating line is closed conduit, step-by-step design, and every section of two ends are provided with flange, and flange bolt connects, junction packing matcrial.
4. the wave stream test unit of a kind of circulating water flow according to claim 1, is characterized in that: the pipe bent position that described circulating line is communicated with experimental tank side water inlet arranges flow deflector, arranges rectifier box in experimental tank water inlet; Described flow deflector is curved, is beneficial to the circulation of circulating line pipe bent position current; Described rectifier box inside is square honeycomb screen form, for eliminating the flowing that incoming flow rotates and reduces current transverse direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420766049.3U CN204228378U (en) | 2014-12-08 | 2014-12-08 | A kind of wave stream test unit of circulating water flow |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420766049.3U CN204228378U (en) | 2014-12-08 | 2014-12-08 | A kind of wave stream test unit of circulating water flow |
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| Publication Number | Publication Date |
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| CN204228378U true CN204228378U (en) | 2015-03-25 |
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| CN201420766049.3U Expired - Fee Related CN204228378U (en) | 2014-12-08 | 2014-12-08 | A kind of wave stream test unit of circulating water flow |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458205A (en) * | 2014-12-08 | 2015-03-25 | 国家海洋技术中心 | Circulating-water-flow wave flow testing device |
| CN106017768A (en) * | 2016-06-28 | 2016-10-12 | 哈尔滨工程大学 | Propeller thrust measuring device |
| CN108457236A (en) * | 2018-01-29 | 2018-08-28 | 哈尔滨工程大学 | A kind of use for laboratory artificial creation wave simulator |
| CN109141809A (en) * | 2018-07-17 | 2019-01-04 | 中山大学 | Disappear the experimental system of unrestrained mechanism for simulating vegetation |
| CN112382186A (en) * | 2020-09-27 | 2021-02-19 | 山东大学 | Multifunctional experimental water tank |
-
2014
- 2014-12-08 CN CN201420766049.3U patent/CN204228378U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104458205A (en) * | 2014-12-08 | 2015-03-25 | 国家海洋技术中心 | Circulating-water-flow wave flow testing device |
| CN106017768A (en) * | 2016-06-28 | 2016-10-12 | 哈尔滨工程大学 | Propeller thrust measuring device |
| CN106017768B (en) * | 2016-06-28 | 2019-02-01 | 哈尔滨工程大学 | A kind of airscrew thrust measuring device |
| CN108457236A (en) * | 2018-01-29 | 2018-08-28 | 哈尔滨工程大学 | A kind of use for laboratory artificial creation wave simulator |
| CN109141809A (en) * | 2018-07-17 | 2019-01-04 | 中山大学 | Disappear the experimental system of unrestrained mechanism for simulating vegetation |
| CN112382186A (en) * | 2020-09-27 | 2021-02-19 | 山东大学 | Multifunctional experimental water tank |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20171208 |
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| CF01 | Termination of patent right due to non-payment of annual fee |