CN103742342B - Water kinetic energy conversion device - Google Patents

Water kinetic energy conversion device Download PDF

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Publication number
CN103742342B
CN103742342B CN201410036629.1A CN201410036629A CN103742342B CN 103742342 B CN103742342 B CN 103742342B CN 201410036629 A CN201410036629 A CN 201410036629A CN 103742342 B CN103742342 B CN 103742342B
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China
Prior art keywords
rotating part
kinetic energy
conversion device
energy conversion
water
Prior art date
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Expired - Fee Related
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CN201410036629.1A
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Chinese (zh)
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CN103742342A (en
Inventor
马智杰
赵云
鲁仕宝
汪群
袁旭音
查同刚
陈英义
张承明
黄丽华
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China Institute of Water Resources and Hydropower Research
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China Institute of Water Resources and Hydropower Research
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Priority to CN201410036629.1A priority Critical patent/CN103742342B/en
Publication of CN103742342A publication Critical patent/CN103742342A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Hydraulic Turbines (AREA)

Abstract

The present invention relates to energy and convert mechanical field, in particular to a kind of water kinetic energy conversion device.Water kinetic energy conversion device includes helical turbine, electromotor and base;Helical turbine includes rotating part;Rotating part is cone, cone is provided with helicla flute, is connected with generator rotor shafts bottom cone;Electromotor is arranged on base.Water kinetic energy conversion device of the present invention, is set to cone by rotating part, and cone is provided with helicla flute, water promotes the rotating part of cone shape to rotate when helicla flute passes through, thus water kinetic energy is converted to rotation function, rotating part connects electromotor, then rotation function is converted to electric energy output.Use helicla flute to replace blade on rotating part, thoroughly solve the situation that the aquatic animals such as the Fish entered along with pipeline are all killed by blade when rotated, and reduce volume, it is achieved that do not take up an area, do not fetch water, do not stop, reduce operation and maintenance cost.

Description

Water kinetic energy conversion device
Technical field
The present invention relates to energy and convert mechanical field, turn in particular to a kind of water kinetic energy Gasifying device.
Background technology
Small power station is internationally recognized green regenerative energy sources, and its principle is will by the hydraulic turbine Water can be converted into mechanical energy, then to drive electromotor be electric energy by changes mechanical energy.
In order to water can be converted to electric energy, need to build a series of building, build including dash Build thing, outlet structure escape works, diversion system and power plant building, water wheels are installed in power plant building The electromechanical equipments such as machine, electromotor and auxiliary device, constitute a whole set of hydroelectric generator system. Hydroelectric generation has had the history of upper a century, although domestic starting is a little later, but Quickly grow.Up to now, European Union there are about 21000 small hydropower stations and running, Norway 90% Above power source is in small power station, and the U.S. there are about 30000 small hydropower stations and running, in State there are about 40000 small hydropower stations and running, and small power station is that the development of human society is made that Huge contribution.
The kind of the hydraulic turbine is a lot, has impact type, reaction type, reaction type include again mixed-flow, Diagonal flow type, axial-flow type and tubular, but no matter use which kind of form, in order to water can be turned Chemical conversion mechanical energy, need to build dam, diversion system, small power station all over the world be all as This.In the construction and running in power station, can be to periphery ecological environment, resident, water The existence of biological particularly Fish serves adverse effect with procreation band.These impacts are main Show, when water retaining structure, outlet structure escape works, diversion system and power plant building are built all Needing to take up an area and immigrant, additionally the hydraulic turbine is both provided with blade, and blade when rotated will be along with The aquatic animals such as the Fish that pipeline enters all are killed, it is possible to can cause river Mesichthyes kind The extinction of race, affects the ecological balance in river.
Summary of the invention
It is an object of the invention to provide a kind of water kinetic energy conversion device, to solve above-mentioned asking Topic.
Provide a kind of water kinetic energy conversion device in an embodiment of the present invention, including helical whirlpool Turbine, electromotor and base;
Helical turbine includes rotating part;
Rotating part is cone, and cone is provided with helicla flute, with generating bottom cone Machine rotary shaft connects;
Electromotor is arranged on base.
Further, rotating part is connected by bearing with the motor shaft of electromotor.
Further, helicla flute is archimedean spiral groove.
Further, helical turbine also includes Archimedian screw plate;Archimedian screw Plate is arranged on the side at the interior top away from rotating part of archimedean spiral groove, with described A Ji Mead helicla flute has gap near the side at the top of rotating part, Archimedian screw plate away from Side bottom archimedean spiral groove exceeds archimedean spiral groove.
Further, Archimedian screw plate is away from the side bottom archimedean spiral groove extremely The distance of Archimedian screw plate side bottom archimedean spiral groove is 4cm-10cm。
Further, in helical turbine, it is provided with direction sensor, is used for adjusting helical whirlpool Turbine axis direction and the angle of water (flow) direction.
Further, helical turbine also includes connecting portion;Connecting portion is cylinder, one End is fixing connects rotating part, and the other end connects the motor shaft of electromotor.
Further, water kinetic energy conversion device also includes control portion;Control portion is arranged on generating Machine is away from one end of helical turbine.
Further, the drift angle of the circular cone of rotating part is 30 °.
Further, the height of the circular cone of rotating part is 80cm-3000cm.
Further, spiral fluted broadband is 2cm-10cm.
Water kinetic energy conversion device of the present invention, is set to cone, on cone by rotating part Being provided with helicla flute, water promotes the rotating part of cone shape to rotate when helicla flute passes through, Thus water kinetic energy is converted to rotation function, rotating part connects electromotor, then will rotation Rotational is converted to electric energy output.Helicla flute is used to replace blade, thoroughly on rotating part Solve what the aquatic animals such as the Fish entered along with pipeline were all killed by blade when rotated Situation, and reduce volume, it is achieved that do not take up an area, do not fetch water, do not stop, reduce Operation and maintenance cost.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical side of the prior art Case, will make the accompanying drawing used required in detailed description of the invention or description of the prior art below Introduce simply, it should be apparent that, the accompanying drawing in describing below is some enforcements of the present invention Mode, for those of ordinary skill in the art, in the premise not paying creative work Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is embodiment of the present invention water kinetic energy conversion device structural representation;
Fig. 2 water kinetic energy conversion device bearing connection diagram that has been of the present invention.
Wherein, 1: rotating part;2: connecting portion;3: electromotor;4: control portion;5: the end Seat;6: Archimedian screw plate;7: archimedean spiral groove;8: motor shaft;9: axle Hold.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below will be to this Bright technical scheme carries out clear, complete description.Obviously, described embodiment is only The a part of embodiment of the present invention rather than whole embodiments.Based on the enforcement in the present invention Example, those of ordinary skill in the art on the premise of not making creative work obtained by All other embodiments, broadly fall into the scope that the present invention is protected.
In describing the invention, it should be noted that unless otherwise clear and definite regulation and limit Fixed, term " is installed ", " being connected ", " connection " should be interpreted broadly, for example, it may be consolidate Fixed connection, it is also possible to be to removably connect, or be integrally connected;Can be to be mechanically connected, It can also be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, It can also be the connection of two element internals.For the ordinary skill in the art, Above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
As depicted in figs. 1 and 2, the invention provides a kind of water kinetic energy conversion device, its bag Include helical turbine, electromotor 3 and base 5;
Helical turbine includes rotating part 1;
Rotating part 1 is cone, and cone is provided with helicla flute, bottom cone with send out Motor 3 rotary shaft connects;
Electromotor 3 is arranged on base 5.
Rotating part is connected by bearing 9 with described motor shaft 8.
By the water kinetic energy conversion device of the present invention by base 5 fixed placement in water, by spiral shell The axis of line vortex turbine is placed in parallel with water (flow) direction.At current on helical turbine During helicla flute, the resistance that helical turbine gives can be run into, overcome resistance to flow through spiral shell at current During spin slot, helical turbine can be formed impulsive force, thus drive helical rotating turbine. It is connected, when helical turbine due to fixing with the motor shaft 8 of electromotor 3 bottom helical turbine When machine rotates, can rotate by drive motor axle 8, thus drive electromotor 3 to generate electricity.
When the end of motor shaft 8 and helical turbine are directly connected to, due to helical turbine Rotate, motor shaft 8 can be produced the biggest torsion, therefore, motor shaft 8 and helical turbine The connecting portion of machine 2, not in end, so can reduce torsion, but by motor shaft 8 end It is directly in cone, end is not fixed control, vibration can be susceptible to, Thus device is caused damage, therefore pass through axle in motor shaft 8 end with helical turbine interior Hold 9 i.e. taper roll bearing and be attached together, the most neither affect between both Rotate, can prevent again motor shaft 8 from producing vibration, protect device.
Further, helicla flute is archimedean spiral groove 7.
Archimedes spiral, also known as " constant velocity spiral ".When any along dynamic ray with etc. speed fortune While Dong, this ray rotates around central point with constant angular velocity again, the track of this point be referred to as " Ah Base Mead helical ".
During it is to say, helicla flute is set as archimedean spiral groove 7, current are at A Ji meter In moral helicla flute 7 during flowing, its speed advanced, linear velocity when rotating and when rotating Angular velocity etc. are the most equal, current so can be made to reach the utilization ratio of maximum, the most just etc. In improve generating efficiency.
Further, helical turbine also includes Archimedian screw plate 6;Archimedes's spiral shell Rotating plate 6 is arranged on the side at the interior top away from rotating part 1 of archimedean spiral groove 7, with Archimedean spiral groove 7 has gap, Archimedes's spiral shell near the side at the top of rotating part 1 Rotating plate 6 exceeds archimedean spiral groove 7 away from the side bottom archimedean spiral groove 7.
Helical turbine arranges Archimedian screw plate 6, by Archimedian screw plate 6 It is arranged in archimedean spiral groove 7, is thus equivalent to enter archimedean spiral groove 7 Having gone and extended, current both can be by by the cell wall of archimedean spiral groove 7 in groove Stop, it is also possible to stopped by Archimedian screw plate 6, increase the resistance of current, thus Drive the velocity of rotation of helical turbine, improve generating efficiency.
Further, Archimedian screw plate 6 is away from the side bottom archimedean spiral groove Distance to Archimedian screw plate side bottom archimedean spiral groove is 4cm-10cm。
Archimedian screw plate 6 away from the side bottom archimedean spiral groove to Archimedes The distance of spiral lamina side bottom archimedean spiral groove, i.e. Archimedian screw plate Width the biggest or the least all this device can be impacted.If too big, leaf will be formed Sheet, impacts the environment of surrounding, as when rotated by aquatic animals such as neighbouring Fish All killing, cause the minimizing of river Mesichthyes race, the ecology having had a strong impact on river is put down Weighing apparatus;If the least, just do not have the effect of acceleration, therefore, after repetition test, The width going out Archimedian screw plate 6 is optimal when 4cm-10cm.
Further, in helical turbine, it is provided with direction sensor, is used for adjusting helical whirlpool Turbine axis direction and the angle of water (flow) direction.
This device is possible not only to use in the most constant river of flow direction, it is also possible to The ocean that flow direction often changes uses.It is provided with direction sensing in helical turbine After device, after water (flow) direction changes, direction sensor controls helical turbine adjustment direction, Make its axis direction parallel with water (flow) direction, so that this device can continue to high efficiency Wave its effect.
Further, helical turbine also includes connecting portion 2;Connecting portion 2 is cylinder, Its one end is fixing connects rotating part 1, and the other end connects the motor shaft 8 of electromotor 3.
When direction sensor is arranged in rotating part 1, may exist and fail to lay down or affect The situation that rotating part 1 rotates occurs, therefore can also arrange connecting portion on helical turbine 2, one end of connecting portion 2 is fixedly installed on bottom rotating part 1, i.e. the bottom of cone, separately One end is fixedly installed on the motor shaft 8 of electromotor 3.
Further, water kinetic energy conversion device also includes control portion 4;Control portion 4 is arranged on Electromotor 3 is away from one end of helical turbine.
By control system, multiple stage water kinetic energy conversion device clustered control can be got up.Can With Parallel Control, it is achieved take turns starting, when i.e. the water yield of which position is bigger, which starts The water kinetic energy conversion device of position;Can connect control, i.e. can open and close many simultaneously Platform water kinetic energy conversion device, it is not necessary to independent management one by one, easy to operate simply.
Further, the drift angle of the circular cone of rotating part 1 is 30 °.
When the drift angle of rotating part 1 is the biggest, water resistance is big, when the flow velocity of current is slow when, no Portion 1 is easily rotated rotate;When the drift angle of rotating part 1 is the least, water resistance is little, and current are same It is difficult to the portion that is rotated 1 rotate.Therefore, after repetition test, draw rotating part 1 When the drift angle of circular cone is 30 °, for best angle.
Further, the height of the circular cone of rotating part 1 is 80cm-3000cm.
The height of the circular cone of rotating part 1 selects identical with the principle of angle Selection, i.e. rotating part When the height of the circular cone of 1 is the biggest, water resistance is big, when the flow velocity of current is slow when, is difficult to band Dynamic rotating part 1 rotates;When the height of the circular cone of rotating part 1 is the least, water resistance is little, and current are same Sample is difficult to the portion that is rotated 1 and rotates.Therefore, after repetition test, draw rotating part 1 The height of circular cone when being 80cm-3000cm, for optimum height.
Further, spiral fluted broadband is 2cm-10cm.
When spiral fluted width is the biggest, current directly pass through in helicla flute, and it runs into Water resistance is less, is not formed for the impulsive force to helical turbine, just cannot drive helical whirlpool Turbine rotates;When spiral fluted width is the least, the flow that current pass through in helicla flute is relatively Little, in the case of the flow velocity of current is little, the impulsive force of helical turbine also can be compared Little, it is impossible to drive helical rotating turbine.
Present invention improves over the mentality of designing of tradition hydrogenerator, creative utilization A Ji Mead scroll design goes out pyramid type turbine, utilizes the kinetic energy of water, is directly driven by current Pyramid type turbine operation, drives the direct current of its rear end or alternating current generator to send out by actuating device Electricity, according to the change of flow velocity, power can reach 0.5~300KW, can make full use of each Kind of hydraulic power potentials, not only will not change original ecological environment, more will not to Fish and its His aquatile produces and threatens, and the ecological environment to periphery is the most friendly, solves small power station and opens Send out the contradictory problems with ecological environmental protection so that build small hydropower station in a lot of rural areas It is possibly realized.This invention is less demanding to hydraulic power potentials, it is adaptable to various rural rivers, filling Canal, diversion tunnel, power plant tail water, coastal waters.Easy for installation, both can be directly installed on water In body, it is also possible to being arranged on pontoon, maintenance cost is low.Standardization unit, before decreasing The prospective design work of phase, in the place meeting flow rate of water flow requirement, loads onto and just can use. Although single unit capacity is less, but can use with multimachine series, parallel, the most flexibly, Therefore have broad application prospects in rural area.
Water kinetic energy conversion device of the present invention, is set to cone by rotating part 1, on cone Being provided with helicla flute, water promotes the rotating part 1 of cone shape to rotate when helicla flute passes through, Thus water kinetic energy is converted to rotation function, rotating part 1 connects electromotor 3, then will rotation Rotational is converted to electric energy output.Use helicla flute to replace blade on rotating part 1, reduce Volume, it is achieved that do not take up an area, do not fetch water, do not stop, reduce maintenance cost.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, For a person skilled in the art, the present invention can have various modifications and variations.All Within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, Should be included within the scope of the present invention.

Claims (8)

1. a water kinetic energy conversion device, it is characterised in that include helical turbine, generating Machine and base;
Described helical turbine includes rotating part;
Described rotating part is cone, and described cone is provided with helicla flute, described circular cone The bottom of body is connected with the rotary shaft of described electromotor;
Described electromotor is arranged on described base;
Described helicla flute is archimedean spiral groove;
Described helical turbine also includes Archimedian screw plate;Described Archimedian screw plate It is arranged on the side at the interior top away from described rotating part of described archimedean spiral groove, with institute State archimedean spiral groove and have gap, described A Ji near the side at the top of described rotating part Mead spiral lamina exceeds described Archimedes away from the side bottom described archimedean spiral groove Helicla flute.
Water kinetic energy conversion device the most according to claim 1, it is characterised in that described Rotating part is connected by bearing with the motor shaft of described electromotor.
Water kinetic energy conversion device the most according to claim 2, it is characterised in that described Archimedian screw plate is away from the side bottom described archimedean spiral groove to described A Ji meter The distance of moral spiral lamina side bottom described archimedean spiral groove is 4cm-10cm.
Water kinetic energy conversion device the most according to claim 1, it is characterised in that described It is provided with direction sensor in helical turbine, is used for adjusting described helical turbine axis side To the angle with water (flow) direction.
Water kinetic energy conversion device the most according to claim 1, it is characterised in that described Helical turbine also includes connecting portion;Described connecting portion is cylinder, and its one end is fixing to be connected Described rotating part, the other end connects the motor shaft of described electromotor.
Water kinetic energy conversion device the most according to claim 1, it is characterised in that also wrap Including control portion, described control portion is arranged on described electromotor away from the one of described helical turbine End.
Water kinetic energy conversion device the most according to claim 1, it is characterised in that described The drift angle of the circular cone of rotating part is 30 °;
And/or,
The height of the circular cone of described rotating part is 80cm-3000cm.
8., according to the water kinetic energy conversion device described in any one of claim 1-7, its feature exists In, described spiral fluted width is 2cm-10cm.
CN201410036629.1A 2014-01-24 2014-01-24 Water kinetic energy conversion device Expired - Fee Related CN103742342B (en)

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CN103742342B true CN103742342B (en) 2016-08-17

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509370A (en) * 1992-06-30 1996-04-23 Kempco, Inc. Amphibious land reclamation vehicle
CN1403702A (en) * 2002-09-20 2003-03-19 王秀华 Archimedes spiral rotating wheel and its use
WO2010082129A1 (en) * 2009-01-19 2010-07-22 Wam S.P.A. An archimedean screw apparatus for the production of hydroelectrical power
CN102032088A (en) * 2009-09-25 2011-04-27 李维新 Spiral flowing water and sea tide generating set
WO2012101655A2 (en) * 2011-01-27 2012-08-02 Subrahmanyam Kumar An unique and novel method (process and system) to utilize the energy inherently present in sea waves to generate electric power
CN103124847A (en) * 2010-08-03 2013-05-29 乔治·马克·韦伯 Screw turbine and method of power generation
WO2013091813A1 (en) * 2011-12-22 2013-06-27 Peb Projekt-Entwicklungs- Und Beteiligungsgesellschaft Mbh Fluid screw and device for operating a fluid screw

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5509370A (en) * 1992-06-30 1996-04-23 Kempco, Inc. Amphibious land reclamation vehicle
CN1403702A (en) * 2002-09-20 2003-03-19 王秀华 Archimedes spiral rotating wheel and its use
WO2010082129A1 (en) * 2009-01-19 2010-07-22 Wam S.P.A. An archimedean screw apparatus for the production of hydroelectrical power
CN102032088A (en) * 2009-09-25 2011-04-27 李维新 Spiral flowing water and sea tide generating set
CN103124847A (en) * 2010-08-03 2013-05-29 乔治·马克·韦伯 Screw turbine and method of power generation
WO2012101655A2 (en) * 2011-01-27 2012-08-02 Subrahmanyam Kumar An unique and novel method (process and system) to utilize the energy inherently present in sea waves to generate electric power
WO2013091813A1 (en) * 2011-12-22 2013-06-27 Peb Projekt-Entwicklungs- Und Beteiligungsgesellschaft Mbh Fluid screw and device for operating a fluid screw

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