A kind of tide ocean current analogue experiment installation
Technical field
The utility model belongs to environmental simulation field, relates to a kind of briny environment analogue means, is specifically related to a kind of tide ocean current analogue experiment installation.
Background technology
Oceanographic engineering is the important component part of national economy, marine engineering equipment has hi-tech, high investment, high production, high added value, high risk feature, be the synthesis of the new and high technologies such as advanced manufacture, information, new material, industrial radiation ability is strong, large to national economy induced effect.In marine environment complicated and changeable, the life-span of marine engineering equipment is then very important problem, and wherein seawater velocity and tide be alternately the key factor affecting service life of equipment.In order to evaluate the life-span of marine engineering equipment, need to carry out endurancing in marine environment.The experiment of real sea affects greatly by nature uncontrollable factor, and experimental period is long, and need ship guarantee, participant is many, spends high and cannot observe in time, poor stability.And conventional chambers experiment, be difficult to simulation ocean current and tide, reliable experiment result degree is poor.Therefore need a kind of can the device of simulated seawater flow velocity and tide, carry out the endurancing of marine engineering equipment, to evaluate the life-span of marine engineering equipment.
Chinese invention patent application No.201010193132.2 disclosed in 27 days October in 2010 (publication number CN101871877B) discloses one ' for simulating the automation experiment device of ocean tide environment ', be the experimental provision that high tide ebb tide liquid level and maritime environment are controlled automatically, the simulation to different sea water layer surface current speed and control can not be realized.
Summary of the invention
The utility model object there are provided a kind of simple to operate, control accurately, tide ocean current analogue experiment installation that cost is low, simulated seawater flowing and tidal fluctuations can be realized in indoor.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of tide ocean current analogue experiment installation, comprise the first tank 1, second tank 2, multiple seawater velocity control device 3-1 ~ 3-4, well heater 4, first ebullator 8, second ebullator 9, first frequency converter 10, second frequency converter 11 and microcomputer time-controlled switch 12, it is characterized in that:
Described first tank 1 inwall symmetry places the first seawater velocity control device 3-1 and the second seawater velocity control device 3-2, and the second tank 2 inwall symmetry places the 3rd seawater velocity control device 3-3 and the 4th seawater velocity control device 3-4;
The first seawater velocity control device 3-1 in first tank 1 is connected with the second ebullator 9, and the second seawater velocity control device 3-2 is connected with well heater 4, first three-way valve 5 and the first ebullator 8 successively; The 3rd seawater velocity control device 3-3 in second tank 2 is connected with the first ebullator 8, and the 4th seawater velocity control device 3-4 is connected with the second three-way valve 6, second ebullator 9; First three-way valve 5 is connected with the second three-way valve 6;
First ebullator 8, second frequency converter 11, microcomputer time-controlled switch 12, first frequency converter 10 and the second ebullator 9 connect successively.
Each seawater velocity control device 3-1 ~ 3-4 comprises sleeve pipe 13, fixed riser 15, clump 16, drain hole 18, drain tube 19, base for supporting 20, isocon 21 and suspension ring 7, wherein:
Current respectively translateral isocon 21 enter drain tube 19, and many drain tube 19 vertical distribution, between isocon 21, every root drain tube 19 have multiple drain hole the 18, three three-way valve 17 and is positioned at every root drain tube 19 two ends; Isocon 21 is fixed on the bottom of the first tank 1 and the second tank 2 by the base for supporting 20 of bottom.
Suspension ring 7 are equipped with at described sleeve pipe 13 top, and fixed riser 15 is equipped with in bottom, and fixed riser 15 is fixed by inserting the clump 16 be arranged in bottom the first tank 1 and the second tank 2;
Be connected by reinforcement 14 between sleeve pipe 13 with isocon 21 and between each drain tube 19.
Microcomputer time-controlled switch 12 has two independent output terminals controlled, and connects the first frequency converter 10 and the second frequency converter 11 respectively.
First frequency converter 10, second frequency converter 11 realizes flow control by frequency modulation and voltage modulation.
Compared with prior art, the beneficial effects of the utility model are:
1) the utility model is by microcomputer time-controlled switch, ebullator and associated pipe simulated seawater tide and change in flow, carries out material aging experiment.There is the advantages such as control is accurate, visual, structure is simple, easy to operate, cost is low, applied widely.
2) the utility model can control the opening/closing time interval of two pumps respectively by microcomputer time-controlled switch, can realize the flood tide of two tanks and ebb time point, the accurate analog of time period and the change of tidal level liquid level in conjunction with submersible pump power.
3) the utility model regulates seawater velocity by seawater velocity control device, can realize the flow control of seawater laminar flow.
4) the utility model can realize the conversion of single tank and the control of two tank seawater velocity by three-way valve.
Accompanying drawing explanation
Fig. 1 is the structural representation of tide ocean current analogue means of the present utility model;
Fig. 2 is the structural representation of seawater velocity control device 3 in Fig. 1.
[primary clustering symbol description]
1 first tank
2 second tanks
3-1 first seawater velocity control device
3-2 second seawater velocity control device
3-3 the 3rd seawater velocity control device
3-4 the 4th seawater velocity control device
4 well heaters
5 first three-way valves
6 second three-way valves
7 suspension ring
8 first ebullators
9 second ebullators
10 first frequency converters
11 second frequency converters
12 microcomputer time-controlled switchs
13 sleeve pipes
14 reinforcements
15 fixed riser
16 clumps
17 the 3rd three-way valves
18 drain holes
19 drain tube
20 base for supporting
21 isocons
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
As shown in Figure 1, tide ocean current analogue experiment installation of the present utility model, comprises the first tank 1, second tank 2, multiple seawater velocity control device 3-1 ~ 3-4, well heater 4, first ebullator 8, second ebullator 9, first frequency converter 10, second frequency converter 11 and microcomputer time-controlled switch 12.
Wherein, described first tank 1 inwall symmetry places the first seawater velocity control device 3-1 and the second seawater velocity control device 3-2, and the second tank 2 inwall symmetry places the 3rd seawater velocity control device 3-3 and the 4th seawater velocity control device 3-4.
The first seawater velocity control device 3-1 in first tank 1 is connected with the second ebullator 9 by conduit, and the second seawater velocity control device 3-2 is connected with well heater 4, first three-way valve 5 and the first ebullator 8 successively by conduit; The 3rd seawater velocity control device 3-3 in second tank 2 is connected with the first ebullator 8 by conduit, and the 4th seawater velocity control device 3-4 is connected with the second three-way valve 6, second ebullator 9 by conduit; First three-way valve 5 and the second three-way valve 6 pass through tubes connection.
First ebullator 8, second frequency converter 11, microcomputer time-controlled switch 12, first frequency converter 10 and the second ebullator 9 are electrically connected successively.Microcomputer time-controlled switch 12 has two independent control output ends, can realize controlling respectively simultaneously.First frequency converter 10, second frequency converter 11 realizes flow control by frequency modulation and voltage modulation.
As shown in Figure 2, seawater velocity control device 3 comprises sleeve pipe 13, fixed riser 15, clump 16, drain hole 18, drain tube 19, base for supporting 20, isocon 21 and suspension ring 7.
Many drain tube 19 vertical distribution are between isocon 21, and drain hole 18 is laterally distributed in every root drain tube 19, and the 3rd three-way valve 17 is positioned at every root drain tube 19 two ends; Isocon 21 is fixed on the bottom of the first tank 1 and the second tank 2 by the base for supporting 20 of bottom; Suspension ring 7 are equipped with at sleeve pipe 13 top, and for seawater velocity control device 3 being taken out the first tank 1 and the second tank 2, fixed riser 15 is equipped with in bottom, and fixed riser 15 is fixed by inserting the clump 16 be arranged in bottom the first tank 1 and the second tank 2.Be connected by reinforcement 14 between sleeve pipe 13 with isocon 21 and between each drain tube 19.
Tide ocean current analogue experiment installation of the present utility model is applicable to simulated seawater tide and change in flow, and carry out material aging experiment, experimental technique is as follows:
simulated seawater tide
First the first three-way valve 5 is placed in AB path, second three-way valve 6 is placed in DE path, open the second frequency converter 11 and control the first ebullator 8, water in first tank 1 is extracted in the second tank 2, and the first tank 1 is for simulating ebb tide, and the second tank 2 is for simulating flood tide, after treating to fill water in the second tank 2, first frequency converter 10 is started working, and controls the second ebullator 9 and is extracted in the first tank 1 by the water in second tank 2, thus simulation loop fluctuation tide environment.The keying of the first frequency converter 10 and the second frequency converter 11 is controlled by microcomputer time-controlled switch 12, accurately controls between the fluctuation time of tide, and realizes unmanned.Well heater 4, for seawater in heating pipe line, regulates the height of water temperature.
simulated seawater change in flow
All water is filled in first tank 1 and the second tank 2, first ebullator 8 and the second ebullator 9 work simultaneously, regulate the 3rd three-way valve 17 on drain tube 19 ground floor, close other valves in drain tube 19, open the first ebullator 8 and the second ebullator 9, realize regulating ground floor drain tube 19 direction water velocity by the size regulating the 3rd three-way valve 17 on drain tube 19 ground floor to open.So, regulate other layer of drain tube the 3rd three-way valve 17, realize the change of each interbedded water Flow Velocity.
First three-way valve 5 is placed in AC path, and the second three-way valve 6 is placed in DF path, and ON cycle pump 9 can realize single tank simulation change in flow of the first tank 1 and the change of each laminar flow water velocity.