CN103742338B - A kind of energy by ocean current power supply underwater monitoring instrument - Google Patents
A kind of energy by ocean current power supply underwater monitoring instrument Download PDFInfo
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- CN103742338B CN103742338B CN201410010424.6A CN201410010424A CN103742338B CN 103742338 B CN103742338 B CN 103742338B CN 201410010424 A CN201410010424 A CN 201410010424A CN 103742338 B CN103742338 B CN 103742338B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The present invention relates to a kind of energy by ocean current power supply underwater monitoring instrument, it is characterized in that: it comprises pivoting support, current power generation set and buoyancy aid; Pivoting support is fixedly installed on seabed, and pivoting support connects current power generation set by pillar, and current power generation set connects the buoyancy aid floating in seawater; Current power generation set comprises scaled bulb tubular hydroelectric generation unit and circular section tubulose kuppe; Scaled bulb tubular hydroelectric generation unit includes the bulb being fixedly connected with pillar and is arranged on the hydraulic turbine of bulb afterbody, is provided with generator, accumulator and circuit control appliance in bulb; The outside of scaled bulb tubular hydroelectric generation unit is arranged with has special fairshaped circular section tubulose kuppe; Circular section tubulose kuppe comprises straight entrance, middle part contraction section and outlet diffuser, and straight entrance is by water conservancy diversion entrance to bulb the widest part, and caliber remains unchanged; Middle part contraction section is the impeller place to the hydraulic turbine by bulb the widest part, and caliber shrinks gradually; Outlet diffuser be impeller by the hydraulic turbine to hydraulic turbine draft cone afterbody, caliber slowly increases.
Description
Technical field
The present invention relates to energy by ocean current for electrical domain, particularly about a kind of underwater monitoring instrument that can utilize energy by ocean current to realize power supply.
Background technology
Ocean has occupied the area in the whole world 71%, and weather forecast, maritime affairs early warning, ocean development and sea area monitoring are all closely related with marine information monitoring. Carry out marine information monitoring and need in marine site, throw in a large amount of monitors. The electric power of existing monitor is conventionally less, but carries out long-term Real-Time Monitoring, and power consumption is large; In addition, existing monitor uses storage battery power supply, need periodic replacement because its life-span is limited, reduce the reliability of whole monitor system, in view of there is somewhat expensive in maritime traffic transport, assembling and replacing, affected greatly by weather and sea situation, remote districts such as cannot arrive at the feature, use storage battery power supply can not meet well the long-term needs of monitor electricity consumption and the requirement of uninterrupted monitoring, even restricted the selection of monitor placement position. In recent years, new energy technology is as the development of solar energy, wind energy and power generation with marine energy technology etc., for the power supply of monitor under sea provides new solution, if therefore can suit measures to local conditions to utilize inexhaustible renewable and clean energy resource, not only alleviate frequency and expense that maintenance of equipment is changed, and can meet the need for electricity away from land sensor monitoring equipment continued power.
The ocean current that marine bottom exists is that seabed monitoring net continues the very suitable energy source of electricity consumption, and compared with other new energy technology, power generation device from sea current can be fixed under water, and working environment is relatively stable, affected by marine Changes in weather and sea situation little; The electrical power required due to monitoring system is less, uses miniature current power generation just can meet the requirement of its electricity consumption; In addition, generating power by water current technology on interior Hydropower Station, be widely applied and technology maturation reliable, research and development and the cost of manufacture of small-sized current power generation unit that exploitation is applicable to marine environment is low. Comprehensive above 2 and the renewable and special geography superiority of marine energy resources, the exploitation of small-sized energy by ocean current generating set has very good application prospect, will become the developing direction of the lower monitoring instrument power supply in following sea.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of simple in structure, good reliability, energy by ocean current power supply underwater monitoring instrument that generating efficiency is high.
For achieving the above object, the present invention takes following technical scheme: a kind of energy by ocean current power supply underwater monitoring instrument, is characterized in that: it comprises single-revolution supporting, a current power generation set and a buoyancy aid; Described pivoting support is fixedly installed on seabed, and described pivoting support connects described current power generation set by a pillar, and described current power generation set connects the described buoyancy aid floating in seawater; Described current power generation set comprises a scaled bulb tubular hydroelectric generation unit and a circular section tubulose kuppe; Described scaled bulb tubular hydroelectric generation unit includes the bulb being fixedly connected with described pillar and is arranged on the hydraulic turbine of described bulb afterbody, is provided with generator, accumulator and circuit control appliance in described bulb; The outside of described scaled bulb tubular hydroelectric generation unit is arranged with has special fairshaped described circular section tubulose kuppe; Described circular section tubulose kuppe comprises a straight entrance, a middle part contraction section and an outlet diffuser, and described straight entrance is by water conservancy diversion entrance to described bulb the widest part, and caliber remains unchanged; Described middle part contraction section is the impeller place to the described hydraulic turbine by described bulb the widest part, and caliber shrinks gradually; Described outlet diffuser is that caliber slowly increases by the extremely described hydraulic turbine draft cone afterbody of impeller of the described hydraulic turbine.
The tail end of described scaled bulb tubular hydroelectric generation unit arranges a water conservancy diversion empennage, described water conservancy diversion empennage comprises an elongate rod and a rudder, one end of described elongate rod connects described hydraulic turbine tail end, the other end of described elongate rod connects described rudder, described rudder is positioned at downstream one side of described pillar, while there is angle when becoming a mandarin with described current power generation set, described rudder is subject to water impact effect, form flywheel moment, promote described current power generation set rotates in horizontal plane, until water conservancy diversion entrance is just to carrying out flow path direction, when described rudder and water (flow) direction in the same way, water flow impact pressure hour, rotation stops, described rudder adopts the upright wing plate of level.
Flow path direction and a downstream caudal directions sheathed trash rack cover are respectively met in the upstream of described circular section tubulose kuppe, and the head of described trash rack cover is set to ellipsoid shape.
Described buoyancy aid connects the circuit control appliance output in described scaled bulb tubular hydroelectric generation unit by cable, is equipped with underwater acoustic communication set, sonar detector, hydraulic pressure sensor, current meter or monitoring water environment sensor on described buoyancy aid.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the outside of bulb through-flow turbine of the present invention is arranged with has special fairshaped circular section tubulose kuppe, circular section tubulose kuppe includes straight entrance, middle part contraction section and outlet diffuser, straight entrance makes in-pipe flow stable, flow velocity is even, compared with horn-like opening kuppe, on kuppe speed increasing ratio, lose, form whirlpool but avoided kuppe opening back to reflux, cavitate with the high fluctuation pressure and the cavitation that are caused by it, to weakening structural vibration, reduce noise, keep overall structure stability to have good effect, middle part contraction section combines with bulb in pipe, and velocity in pipes is increased, and middle part contraction section pressure reduces simultaneously, to the generation swabbing action that becomes a mandarin, is added to flow, is conducive to improve water energy conversion efficiency, kuppe outlet diffuser is brief, Main Function is for smoothly guiding tail water jet to enter the outer basin of pipe, outside pipe, entrainment by vortex, particle blending realizes complementary energy and dissipates, and grows a mouthful diffuser ratio, due to whirlpool band basin outside kuppe, kuppe inner fluid fluidised form is relatively stable, pulse amplitude is little, Stability Analysis of Structures, good reliability. 2, the present invention is due to pivoting support is fixedly installed on to seabed, pivoting support connects current power generation set by pillar, therefore the present invention adopts seat bottom type design, setting position is stable, with compare with the flotation gear of anchor mooring, " dragging of anchor " can not occur so that lose device, environments such as subsea (bottom and hydrodynamic environment) is stable in addition, is not subject to the impact of ocean surface weather and sea situation. 3, the present invention, owing to being provided with water conservancy diversion empennage at the tail end of scaled bulb tubular hydroelectric generation unit, therefore utilizes water conservancy diversion empennage and pivoting support to make device automatically adjust direction, makes entrance all the time just to incoming flow, can utilize in maximum efficiency ocean current. 4, flow path direction and downstream caudal directions sheathed trash rack cover are respectively met in the upstream of circular section of the present invention tubulose kuppe, the head of trash rack cover is set to ellipsoid shape, therefore can effectively tackle foreign material in water, prevent that impeller from damaging, ellipsoid head trash rack cover design type makes tackled foreign material constantly wash away under passing and be pulled away at current, avoid foreign material accumulation, stop up intake-outlet. 5, the present invention adopts scaled bulb tubular hydroelectric generation unit, technology maturation, and efficiency is high, adapts to large flow low water head. 6, buoyancy aid of the present invention is by the circuit control appliance in cable connection bulb tubular hydraulic generator group, on buoyancy aid, be equipped with underwater acoustic communication set, sonar detector, hydraulic pressure sensor, current meter or monitoring water environment sensor, therefore can realize communication with Chuan Ji control centre, or sea monitor is realized communication, determine position, and transmission of monitoring data. the present invention can be widely used in current power generation.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is carried out to detailed describing. But only the providing in order to understand better the present invention of accompanying drawing is provided, they not should be understood to limitation of the present invention.
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, energy by ocean current power supply underwater monitoring instrument of the present invention comprises single-revolution supporting 1, a current power generation set 2 and a buoyancy aid 3; Pivoting support 1 is fixedly installed on seabed, and pivoting support 1 connects current power generation set 2 by a pillar 4, and current power generation set 2 is connected the buoyancy aid 3 floating in seawater with cable 52 by hawser 51.
Current power generation set 2 comprises a scaled bulb tubular hydroelectric generation unit 21, a water conservancy diversion empennage 22, a circular section tubulose kuppe 23 and two trash rack covers 24. The tail end of scaled bulb tubular hydroelectric generation unit 21 arranges water conservancy diversion empennage 22, for adjust become a mandarin and current power generation set 2 between angle, make the entrance of current power generation set 2 all the time just to incoming flow, utilize in maximum efficiency ocean current; The outside of scaled bulb tubular hydroelectric generation unit 21 is arranged with has special fairshaped circular section tubulose kuppe 23, and the upstream of circular section tubulose kuppe 23 meets flow path direction and downstream caudal directions is arranged with respectively trash rack cover 24. Scaled bulb tubular hydroelectric generation unit 21 is prior art, and it includes the bulb 211 being fixedly connected with pillar 4 and the hydraulic turbine 212 that is arranged on bulb 211 afterbodys, is provided with generator, accumulator and circuit control appliance in bulb 211.
Circular section tubulose kuppe 23 comprises a straight entrance 231, a middle part contraction section 232 and an outlet diffuser 233, straight entrance 231 by water conservancy diversion entrance to bulb 211 the widest part, caliber remains unchanged, and pipe diameter size is in this no limit, can arrange according to practical application; Middle part contraction section 232 is the impeller places to the hydraulic turbine 212 by bulb 211 the widest part, and caliber shrinks gradually, and shrinkage degree is in this no limit, can arrange according to actual conditions; Outlet diffuser 233 is the draft cone afterbodys to the hydraulic turbine 212 by the impeller of the hydraulic turbine 212, and caliber slowly increases, and increase degree is in this no limit, can arrange according to actual conditions.
In a preferred embodiment, water conservancy diversion empennage 22 comprises an elongate rod 221 and a rudder 222, and one end of elongate rod 221 connects the tail end of the hydraulic turbine 212, the other end closure rudder 222 of elongate rod 221, and rudder 222 is positioned at downstream one side of pillar 4. While there is angle when becoming a mandarin with current power generation set 2, rudder 222 is subject to water impact effect, forms flywheel moment, promotes current power generation set 2 and planar rotates, until water conservancy diversion entrance is just to carrying out flow path direction; When rudder 222 and water (flow) direction in the same way, water flow impact pressure hour, rotation stops. Wherein, rudder 222 is determined according to required steering moment, can adopt the upright wing plate of level, increase area of foil and can increase bourn acting force, but elongate rod 221 is easily because of stressed major rupture excessively, in the situation that area of foil is certain, by regulating elongate rod 221 length, also can make water conservancy diversion empennage 22 reach required rotating torque.
In a preferred embodiment, the foreign material that trash rack cover 24 is swept along for stopping current, isolate larger marine organisms, prevent that it is rolled into the impeller of the scaled bulb tubular hydroelectric generation unit 21 interior damage hydraulic turbines 212, the head of trash rack cover 24 can be set to ellipsoid shape, ellipsoid shape can make foreign material flow away with current, avoids foreign material accumulation, stops up intake-outlet.
In a preferred embodiment, buoyancy aid 3 connects current power generation set 2 by hawser 51, and hawser 51 plays mooring effect; Buoyancy aid 3 is by the circuit control appliance output in cable 52 connection bulb tubular hydraulic generator groups 21, in order to export the stabling current after regulating and storing; On buoyancy aid 3, can be equipped with underwater acoustic communication set, sonar detector, hydraulic pressure sensor, current meter or monitoring water environment sensor, above-mentioned these equipment can be for carrying out data message communication transfer with Chuan Ji control centre or the monitor that swims in ocean surface.
When the present invention uses, pivoting support 1 is fixed on to seabed, current power generation set 2 connects pivoting support 1 by pillar 4, by water conservancy diversion empennage 22 to become a mandarin and current power generation set 2 between angle adjust, make the entrance of scaled bulb tubular hydroelectric generation unit 21 all the time just to current, maximal efficiency is utilized ocean current, when current enter the straight entrance 231 of circular section tubulose kuppe 23 by trash rack cover 24, be subject to kuppe tube wall effect of contraction, in caliber, turbulent flow develops to core space, fluid passes through turbulent fluctuation, particle blending generation momentum-exchange, make to be tending towards even to most regions flow velocity of tube hub nearby from limit wall, stable, compared with bell mouth shape kuppe opening, on speed increasing ratio, lose, but straight entrance 231 designs make kuppe opening outer surface not produce whirlpool, avoid its caused high fluctuation pressure, cavitation cavitation erosion, the generation of the problems such as vibration and noise, improve integrally-built stability, flow through after the contraction section 232 of middle part when current, because discharge area reduces, flow velocity is accelerated, and pressure reduces simultaneously, and to the raw swabbing action of straight entrance 231 pipe miscarriage, increase becomes a mandarin, and contributes to improve water energy conversion efficiency, current promote after hydraulic turbine rotation, flow velocity slows down, but the complementary energy of still having, interior Hydropower Station generally reclaims current complementary energy by draft tube, outlet diffuser that need to be longer, current power generation set is in fluid environment herein, therefore outlet diffuser 233 only extends to draft cone afterbody from impeller, tail water is through draft cone and the guiding of kuppe outlet diffuser, enter in extratubal fluid in submerged jets mode, realize complementary energy and dissipate, turbulent fluctuation occurs in the outer current of kuppe downstream, and turbulent fluctuation is little on kuppe structure and internal flow state impact.
The various embodiments described above are only for illustrating the present invention, and wherein structure and the connected mode etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (5)
1. an energy by ocean current power supply underwater monitoring instrument, is characterized in that: it comprises single-revolution supporting, an ocean current generatorGroup device and a buoyancy aid; Described pivoting support is fixedly installed on seabed, described in described pivoting support connects by a pillarCurrent power generation set, described current power generation set connects the described buoyancy aid floating in seawater; Described ocean currentGenerating set device comprises a scaled bulb tubular hydroelectric generation unit and a circular section tubulose kuppe; Described bulb through-flowFormula hydroelectric generation unit includes the bulb being fixedly connected with described pillar and is arranged on the water wheels of described bulb afterbodyMachine, is provided with generator, accumulator and circuit control appliance in described bulb;
The outside of described scaled bulb tubular hydroelectric generation unit is arranged with has special fairshaped described circular section tubular guidewireStream cover; Described circular section tubulose kuppe comprises a straight entrance, a middle part contraction section and an outlet diffuser, instituteState straight entrance by extremely described bulb the widest part of water conservancy diversion entrance, caliber remains unchanged; Described middle part contraction section be byDescribed bulb the widest part is to the impeller place of the described hydraulic turbine, and caliber shrinks gradually; Described outlet diffuser is by describedThe impeller of the hydraulic turbine is to described hydraulic turbine draft cone afterbody, and caliber slowly increases.
2. a kind of energy by ocean current power supply underwater monitoring instrument as claimed in claim 1, is characterized in that: described bulb through-flowThe tail end of formula hydroelectric generation unit arranges a water conservancy diversion empennage, and described water conservancy diversion empennage comprises an elongate rod and a rudder,One end of described elongate rod connects described hydraulic turbine tail end, and the other end of described elongate rod connects described rudder, instituteState downstream one side that rudder is positioned at described pillar, while there is angle when becoming a mandarin with described current power generation set, instituteState rudder and be subject to water impact effect, form flywheel moment, promote described current power generation set and send out in horizontal planeRaw rotating, until water conservancy diversion entrance is just to carrying out flow path direction, when described rudder and water (flow) direction in the same way, water flow impact pressure is littleTime, rotation stops; Described rudder adopts the upright wing plate of level.
3. a kind of energy by ocean current power supply underwater monitoring instrument as claimed in claim 1, is characterized in that: described circular section pipeFlow path direction and a downstream caudal directions sheathed trash rack cover respectively, the head of described trash rack cover are met in the upstream of shape kuppeBe set to ellipsoid shape.
4. a kind of energy by ocean current power supply underwater monitoring instrument as claimed in claim 2, is characterized in that: described circular section pipeFlow path direction and a downstream caudal directions sheathed trash rack cover respectively, the head of described trash rack cover are met in the upstream of shape kuppeBe set to ellipsoid shape.
5. a kind of energy by ocean current power supply underwater monitoring instrument as claimed in claim 1 or 2 or 3 or 4, is characterized in that:Described buoyancy aid connects the circuit control appliance output in described scaled bulb tubular hydroelectric generation unit by cable, described inOn buoyancy aid, be equipped with underwater acoustic communication set, sonar detector, hydraulic pressure sensor, current meter or monitoring water environment sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410010424.6A CN103742338B (en) | 2014-01-09 | 2014-01-09 | A kind of energy by ocean current power supply underwater monitoring instrument |
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| CN201410010424.6A CN103742338B (en) | 2014-01-09 | 2014-01-09 | A kind of energy by ocean current power supply underwater monitoring instrument |
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| CN103742338A CN103742338A (en) | 2014-04-23 |
| CN103742338B true CN103742338B (en) | 2016-05-18 |
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| CN104863787B (en) * | 2015-05-04 | 2017-03-08 | 上海海洋大学 | A kind of wave stream coupling power-generating apparatus |
| CN105572315A (en) * | 2015-12-24 | 2016-05-11 | 无锡信大气象传感网科技有限公司 | Water quality monitoring equipment |
| CN105676874B (en) * | 2016-03-16 | 2019-01-25 | 武汉理工大学 | Low energy consumption Miniature underwater detection robot and control method based on sonar remote control |
| CN105674965A (en) * | 2016-04-15 | 2016-06-15 | 洛阳功航机械科技有限公司 | Hydrological detection fish lead |
| CN106089546B (en) * | 2016-08-22 | 2018-07-06 | 青岛华通科工投资有限责任公司 | A kind of water conservancy diversion for tidal power generating and automatic sink-float device |
| CN108266301A (en) * | 2017-04-10 | 2018-07-10 | 许昌义 | tubular turbine with rotating cylinder |
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| CN107941203A (en) * | 2017-11-29 | 2018-04-20 | 张建洲 | A kind of intellectual faculties and method |
| CN108644056A (en) * | 2018-04-09 | 2018-10-12 | 刘宇 | A kind of novel sea can be acquired with oscillating floater system |
| CN108547723A (en) * | 2018-04-09 | 2018-09-18 | 刘宇 | A kind of novel sea can be acquired with oscillating floater system |
| CN109185027B (en) * | 2018-08-28 | 2020-10-27 | 中国石油大学(北京) | Vortex-induced vibration power generation unit, module and offshore comprehensive power generation device |
| CN109026498B (en) * | 2018-10-09 | 2024-02-02 | 上海海洋大学 | Ocean current energy power generation device with direction-variable blades |
| WO2020107272A1 (en) * | 2018-11-28 | 2020-06-04 | 唐山哈船科技有限公司 | Sonar apparatus used for undersea exploration |
| CN110823294A (en) * | 2019-12-12 | 2020-02-21 | 北京致感致联科技有限公司 | Floating type underwater information intelligent monitoring system |
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