CN102644541A - Direct drive type electricity generating device using ocean energy - Google Patents

Direct drive type electricity generating device using ocean energy Download PDF

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Publication number
CN102644541A
CN102644541A CN2012101338016A CN201210133801A CN102644541A CN 102644541 A CN102644541 A CN 102644541A CN 2012101338016 A CN2012101338016 A CN 2012101338016A CN 201210133801 A CN201210133801 A CN 201210133801A CN 102644541 A CN102644541 A CN 102644541A
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China
Prior art keywords
rotor
umbrella
stator
anchor
driving type
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CN2012101338016A
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Chinese (zh)
Inventor
王海峰
徐松
艾程柳
黄元峰
林涛
王晓东
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Institute of Electrical Engineering of CAS
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Institute of Electrical Engineering of CAS
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Priority to CN2012101338016A priority Critical patent/CN102644541A/en
Publication of CN102644541A publication Critical patent/CN102644541A/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
    • Y02E10/30Energy from the sea, e.g. using wave energy or salinity gradient

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Abstract

A direct drive type electricity generating device using ocean energy comprises a floater (1.1), a retraction rope (1.2), a hanging wire cable (1.3), a direct drive electricity generator (1.4) and a tail fin (1.5). The floater (1.1) floats on the surface of the sea and is connected with the direct drive electricity generator (1.4) through the hanging wire cable (1.3), one end of the retraction rope (1.2) is connected with the floater (1.1), the other end of the retraction rope (1.2) is arranged above an offshore operation unit, and the retraction rope (1.2) is used for placing the electricity generating device in the sea or withdrawing the offshore operation unit by workers. The direct drive type electricity generating device using the ocean energy is characterized by also comprising a sea anchor (1.6) and a steel warp (1.7), the tail fin (1.5) and the direct drive electricity generator (1.4) are arranged at a position of a water outlet of the sea anchor (1.6), the sea anchor (1.6) is used for collecting ocean current, a blade (3.6) of the direct drive electricity generator (1.4) is used for capturing sea kinetic energy and converting the sea kinetic energy to electric energy for outputting, one end of the steel warp (1.7) is connected with the sea anchor (1.6), and the other end of the steel warp (1.7) is fixed on the offshore operation unit.

Description

A kind of directly driving type power generation with marine energy device
Technical field
The present invention relates to a kind of directly driving type power generation with marine energy equipment.
Technical background
Along with the growing tension of petroleum resources, the utilization of renewable energy sources exploitation seems particularly important, and marine energy resources is as a kind of renewable energy sources that depends on seawater, and its reserves are very huge.At present, the power supply of operation on the sea unit such as ocean fishing vessel, offshore platform all relies on diesel generation to realize, this generation mode not only financial cost is high, but also can pollute ocean environment.Utilizing ocean renewable resources generating is a kind of generation mode of sustainable development, can alleviate human dependence to fossil energy to a certain extent.
At present, the research that can generate electricity to ocean current both at home and abroad is also fewer, and existing most of electricity generating devices all are to drive common generator for electricity generation by turbo machine through transmission shaft; Generator need be rotated motive sealing; This system architecture is complicated, and is bulky, the installation and maintenance difficulty.The research scholar of France once proposed a kind of conceptual design of permagnetic synchronous motor of direct-driving type, and on motor, but because system does not design the conflux device, its energy capture density is lower with blade installation for this power generation system.
Seawater is a kind of material of conduction and has stronger corrosivity that for ocean current ability power generation system, the motor that is adopted in the system should be a kind of motor that is adapted to underwater operation.But traditional generator does not design by submersible machine in design process; So the designer does not consider characteristics such as electric machine rotor sealing, anti-seawater corrosion in design process; And energy capture device in traditional power generation system and generator are independent design; This just makes that traditional generator must be with the motor housing integral sealing when being used for the power generation with marine energy system; In addition, also must just can carry out energy transfer between generator amature and the energy capture device through devices such as transmission shafts.
Summary of the invention
The objective of the invention is in order to overcome traditional power generation with marine energy system complex, generating efficiency is low, and shortcomings such as installation and maintenance difficulty have proposed a kind of integrated waterpower blade in the direct-driving type generator of one.This direct-driving type generator is a kind of generator of brand new, compares with traditional ocean power generator, and the direct-driving type generator has simple in structure, and volume is little, and is in light weight, the generating efficiency advantages of higher.The umbrella anchor is that operation on the sea unit such as ocean fishing vessel are used for stablizing a kind of anchor of self, and its similar is in the umbrella shape.The present invention improves existing umbrella anchor structure; Annular base and empennage are installed at umbrella up anchor mouth place; Give full play to of the compile effect of umbrella anchor to seawater; The swiftly flowing seawater in umbrella up anchor mouth place is guided and utilizes, and seawater kinetic energy is converted into electric energy output through the direct-driving type generator.
For realizing above purpose, the present invention adopts following technological scheme:
Electricity generating device of the present invention by float, suspension steel cable, direct-driving type generator, empennage, umbrella anchor, drag guiding principle, folding and unfolding rope and constitute.When the operation on the sea personnel this electricity generating device is positioned over big marine after; Umbrella up anchor mouth place can produce swiftly flowing current; The direct-driving type generator is installed on the annular base at umbrella up anchor mouth place; Water impact direct-driving type generator blade also makes its rotation, and the direct-driving type generator is converted into electric energy output with seawater kinetic energy.Buoys float is on the sea, and characteristics are the big but very light in weight of volume, and float is through the suspension guiding principle rope suspension direct-driving type generator of lower end, and the suspension steel cable possesses stronger bearing power, can bear the pulling force of direct-driving type generator and umbrella anchor in the vertical direction.Drag guiding principle and also need possess stronger bearing power, drag guiding principle the whole generating device is connected in hull or other operation on the sea unit, and holder when work the horizontal pull that produces.The staff can be positioned over electricity generating device in the seawater or is recovered to the operation on the sea unit through folding and unfolding rope.
Said direct-driving type generator is a kind of generator of brand new; Compare with traditional power generation with marine energy; This direct-driving type generator is integrated in blade on the rotor; Make blade and motor integrated as a whole, can remove traditional necessary energy capture device of power generation with marine energy system and driving mechanism fully.Simultaneously, the sealing technique of direct-driving type generator is the high static seal technology of technology maturation, reliability, and the rotary dynamic seal technology of the employed complex structure of traditional ocean power generator, poor reliability has also been avoided in the use of stator sleeve and rotor sleeve fully.Direct-driving type generator of the present invention comprises with lower component: seal stator end cap, stator, stator sleeve, rotor, rotor sleeve, blade, bearing, rotor field spider, rotary main shaft, back shaft etc.Said direct-driving type generator is the external stator inner rotor core, and blade and generator amature are the integrated design.The seal stator end cap is installed on two axial ends of stator, and generator unit stator is carried out axial seal; Stator sleeve is installed on the inner radial surface of stator, and generator unit stator is carried out radial seal; Rotor is the magneto rotor, and rotor sleeve is installed on the rotor radial outer surface, and rotor outer surface is sealed; One end of rotor field spider is installed on the stator density end cap, and the other end is connected with back shaft, and back shaft is installed on the stator shaft core position, and the back shaft outer surface connects rotary main shaft through bearing; One end of blade is installed on the rotor radial internal surface, and the other end is installed on the rotary main shaft; The main effect of said blade can also play support rotor except that catching seawater kinetic energy.In addition, said seal stator end cap, stator, stator sleeve, rotor, rotor sleeve, blade, rotary main shaft, bearing, rotor field spider, parts surfaces such as back shaft all scribble the material of seawater corrosion resistance.This direct-driving type generator has the low speed high torque characteristic, and has the power capture interval of broad, thereby makes package unit possess such specific character: when the ocean current change in flow was big, said direct-driving type generator also can normal power generation.In addition, this direct-driving type generator also has excellent sealing performance and decay resistance, smaller volume, lighter weight and higher advantages such as operational reliability.
The present invention along the circumferential direction is equipped with annular base at described umbrella up anchor mouth place, and empennage is installed on the axial outer end face of annular base, and the effect of empennage is to increase umbrella anchor water out place ocean current speed, increases the specific power of electricity generating device; The annular base surface scribbles the material of seawater corrosion resistance, and said direct-driving type generator is installed on the inner radial surface of annular base.The float that floats on the sea hangs on direct-driving type generator and umbrella anchor among the seawater through the suspension steel cable.One end of folding and unfolding rope links to each other with float, and the other end places on the operation on the sea unit, and the staff can be positioned over electricity generating device in the seawater or withdrawal operation on the sea unit through the folding and unfolding rope.
Advantage of the present invention is: the direct-driving type generator that is installed on umbrella up anchor mouth place is a kind of generator that is applicable to underwater operation of brand new, and it is simple in structure, and volume is little, and is in light weight, and reliability is high.In addition, traditional umbrella anchor structure is improved, increase empennage, improved electricity generating device to the catching of seawater kinetic energy, and then under the prerequisite that does not increase device volume, improved its generated output at umbrella up anchor mouth place.The whole generating device hangs on the float through steel cable, and float makes package unit in the vertical direction stress balance, makes the whole stress balance in the horizontal direction of electricity generating device and drag guiding principle.
Description of drawings
Fig. 1 is a directly driving type power generation with marine energy apparatus structure schematic representation of the present invention, among the figure: 1.1 floats, 1.2 folding and unfoldings rope, 1.3 suspension steel cables, 1.4 direct-driving type generators, 1.5 empennages, 1.6 umbrella anchors, 1.7 drag guiding principle;
Fig. 2 is umbrella anchor and tail structure schematic representation, among the figure: 2.1 umbrella up anchor mouths, 2.2 preceding umbrella rope changes, 2.3 annular bases;
Fig. 3 is a direct-driving type electric generator structure schematic representation, among the figure: 3.1 stator end caps, 3.2 stators, 3.3 stator sleeves, 3.4 rotor sleeves, 3.5 rotors, 3.6 blades, 3.7 rotary main shafts, 3.8 bearings, 3.9 back shafts, 3.10 rotor field spiders.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the structural representation of power generation with marine energy device of the present invention, and as shown in Figure 1, direct-driving type power generation with marine energy device of the present invention mainly comprises with the bottom: float 1.1; Folding and unfolding rope 1.2, suspension steel cable 1.3, direct-driving type generator 1.4; Empennage 1.5, umbrella anchor 1.6 drags guiding principle 1.7 etc.During electricity generating device generating work, float 1.1 floats on the sea, and folding and unfolding 1.2 1 ends of restricting connect float 1.1, and the other end is connected on the operation on the sea unit.Annular base 2.3 is installed at umbrella anchor 1.6 water outlet places, and direct-driving type generator 1.4 is installed on the inner radial surface of annular base 2.3 and through bolt, and empennage 1.5 is installed on the axial outer end face of annular base 2.3.Float 1.1 connects annular base 2.3 through suspension steel cable 1.3, drags guiding principle 1.7 1 ends and connects umbrella anchor 1.6, and the other end is fixed in the operation on the sea unit.
Fig. 2 is umbrella anchor and tail structure schematic representation.As shown in Figure 2; Meet the ocean current flow direction; Umbrella up anchor mouth 2.1 is positioned at umbrella body neutral position; Along circumferentially annular base 2.3 being installed, empennage 1.5 is installed on the annular base 2.3 axial outer end faces at umbrella up anchor mouth 2.1 places, and the axial direction of said annular base 2.3 and empennage 1.5 is consistent with umbrella up anchor mouth place water (flow) direction.The change 2.2 of preceding umbrella rope is positioned at umbrella anchor front opening center, on umbrella was restricted change 2.2 before the whole preceding umbrella rope of umbrella anchor was all concentrated and is fixed on, through draging guiding principle 1.7 whole umbrella anchor is connected in the operation on the sea unit again.
Fig. 3 is a direct-driving type electric generator structure schematic representation.Direct-driving type generator of the present invention comprises: stator end cap 3.1, stator 3.2, stator sleeve 3.3, rotor sleeve 3.4, rotor 3.5, blade 3.6, rotary main shaft 3.7, bearing 3.8, back shaft 3.9, rotor field spider 3.10.As shown in Figure 3; Stator 3.2 radially-outer surfaces are connected with annular base 2.3 usefulness bolts, and stator sleeve 3.3 is installed on stator 3.2 inner radial surface, and said stator sleeve 3.3 is sealing up stator inner surface in the radial direction fully; To prevent that seawater from getting into stator coil; Be separately installed with stator end cap 3.1 on stator 3.2 axial two end faces, said stator end cap 3.1 has good sealing property and anti-corrosive properties equally, can prevent penetration of sea water and erosion; Rotor 3.5 is a p-m rotor, and said rotor 3.5 radially-outer surfaces are equipped with rotor sleeve 3.4, and rotor sleeve seals up rotor 3.5 fully; Blade 3.6 is the integrated design with rotor; Said blade one end is installed on rotor 3.5 internal surfaces; The other end is installed on the rotary main shaft 3.7, is connected back shaft 3.9 center drillings through bearing 3.8 between rotary main shaft 3.7 and the back shaft 3.9; Rotor field spider 3.10 one ends are installed on the back shaft 3.9, and the other end is installed on the stator end cap 3.1.
When needs generated electricity, the staff put into water with this electricity generating device, and the suffered buoyancy of float 1.1 in the vertical directions is offset the gravity of parts such as direct-driving type generator 1.4 and umbrella anchor 1.6, makes whole generating device in the vertical direction stress balance.Because the effect of ocean current, float can wave along with ocean current, tightens and sustain the pulling force on the substantially horizontal up to draging guiding principle 1.7, and this moment, whole device was stressed in a basic balance.An end that drags guiding principle 1.7 is connected with the preceding umbrella rope change 2.2 of umbrella anchor, and the other end is connected on the operation on the sea unit.
1.5 pairs of seawater of umbrella anchor 1.6 and empennage have the effect of compiling, and after the umbrella anchor launched in seawater, umbrella up anchor mouth 2.1 can produce swiftly flowing seawater.Water impact is installed on the blade 3.6 of the direct-driving type generator 1.4 at umbrella up anchor mouth place; Stator sleeve 3.3 seals stator 3.2 and rotor 3.5 respectively with rotor sleeve 3.4; Inner to prevent that seawater from getting into rotor; Receive the blade 3.6 of water impact to drive rotor 3.5 rotations, rotor 3.5 produces rotating magnetic field and cutting stator coil.So far, direct-driving type generator 1.4 is accomplished the conversion of mechanical energy to electric energy, and the electric power that sends is delivered to the operation on the sea unit through cable.
When not needing the generating of this device, the staff can restrict through folding and unfolding and 1.2 the whole generating device regained.

Claims (3)

1. directly driving type power generation with marine energy device, said electricity generating device comprise float (1.1), folding and unfolding rope (1.2), suspension steel cable (1.3), direct-driving type generator (1.4) and empennage (1.5); Described float (1.1) floats on the sea, and float (1.1) connects direct-driving type generator (1.4) through suspension guiding principle rope (1.3); One end of folding and unfolding rope (1.2) links to each other with float (1.1); The other end of folding and unfolding rope (1.2) places on the operation on the sea unit; The staff is positioned over described electricity generating device in the seawater through folding and unfolding rope (1.2) or regains the operation on the sea unit, and it is characterized in that: described electricity generating device also comprises umbrella anchor (1.6) and drags guiding principle (1.7); Said direct-driving type generator (1.4) radially is installed on umbrella up anchor mouth place, and empennage (1.5) is installed on and umbrella up anchor mouth place vertically; Described umbrella anchor (1.6) compiles ocean current; The blade (3.6) of direct-driving type generator (1.4) is caught seawater kinetic energy and is converted into electric energy output; A described end that drags guiding principle (1.7) connects umbrella anchor (1.6), and the other end that drags guiding principle (1.7) is fixed on the operation on the sea unit.
2. power generation with marine energy equipment as claimed in claim 1 is characterized in that: described direct-driving type generator (1.4) is the integrated design of blade and motor; Stator end cap (3.1) seals stator (3.2) axial end, and stator sleeve (3.3) is at the internal surface of sealed stator (3.1) in the radial direction; Rotor (3.5) is a p-m rotor, and the radially-outer surface of said rotor (3.5) is equipped with rotor sleeve (3.4); One end of blade (3.6) is installed on the internal surface of rotor (3.5), and the other end of blade (3.6) is installed on the rotary main shaft (3.7); Be connected back shaft (3.9) center drilling through bearing (3.8) between rotary main shaft (3.7) and the back shaft (3.9); One end of rotor field spider (3.10) is installed on the back shaft (3.9), and the other end of rotor field spider (3.10) is installed on the stator end cap (3.1); Said seal stator end cap (3.1), stator (3.2), stator sleeve (3.3), rotor (3.5), rotor sleeve (3.4), blade (3.6), rotary main shaft (3.7), bearing (3.8), rotor field spider (3.9), and back shaft (3.10) surface all scribbles the material of seawater corrosion resistance.
3. power generation with marine energy equipment as claimed in claim 1; It is characterized in that: meet the ocean current flow direction; Umbrella up anchor mouth (2.1) at described umbrella anchor (1.6) locates to install annular base (2.2); Empennage (1.5) is installed on the axial outer end face of annular base (2.3), and the axial direction of said annular base (2.3) and empennage (1.5) is consistent with umbrella up anchor mouth place water (flow) direction.
CN2012101338016A 2012-04-28 2012-04-28 Direct drive type electricity generating device using ocean energy Pending CN102644541A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104775976A (en) * 2015-04-10 2015-07-15 姚焕源 Novel cross flow type power generating device
CN104816798A (en) * 2015-05-12 2015-08-05 浙江海洋学院 Wind and current combined power generation energy-saving squid jigging boat
CN104832360A (en) * 2015-05-12 2015-08-12 浙江海洋学院 High sea squid fishery fishing boat with tidal current energy power generation device
CN104863796A (en) * 2015-05-12 2015-08-26 浙江海洋学院 Wind and current combined power generation energy-saving device for fishing boat
CN104925224A (en) * 2015-05-12 2015-09-23 浙江海洋学院 Sea anchor with tidal current generator
CN111990351A (en) * 2020-08-19 2020-11-27 中国水产科学研究院东海水产研究所 Lantern fish trapping device and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55112876A (en) * 1979-02-19 1980-09-01 Fumihide Sugihara Power generating method and device for the same which utilizes fluid energy in the form of rotation energy
CN1496444A (en) * 2001-01-17 2004-05-12 Energy generating system
AU2005202507A1 (en) * 2004-06-09 2006-01-05 Ross Clifford Caruso Generating assembly, support system and method
CN1858434A (en) * 2005-05-02 2006-11-08 刘成江 Submerging type axial through flow hydropower generator
CN102128128A (en) * 2011-03-23 2011-07-20 刘华栋 Permanent magnet direct drive type tidal current power generation device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55112876A (en) * 1979-02-19 1980-09-01 Fumihide Sugihara Power generating method and device for the same which utilizes fluid energy in the form of rotation energy
CN1496444A (en) * 2001-01-17 2004-05-12 Energy generating system
AU2005202507A1 (en) * 2004-06-09 2006-01-05 Ross Clifford Caruso Generating assembly, support system and method
CN1858434A (en) * 2005-05-02 2006-11-08 刘成江 Submerging type axial through flow hydropower generator
CN102128128A (en) * 2011-03-23 2011-07-20 刘华栋 Permanent magnet direct drive type tidal current power generation device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104775976A (en) * 2015-04-10 2015-07-15 姚焕源 Novel cross flow type power generating device
CN104816798A (en) * 2015-05-12 2015-08-05 浙江海洋学院 Wind and current combined power generation energy-saving squid jigging boat
CN104832360A (en) * 2015-05-12 2015-08-12 浙江海洋学院 High sea squid fishery fishing boat with tidal current energy power generation device
CN104863796A (en) * 2015-05-12 2015-08-26 浙江海洋学院 Wind and current combined power generation energy-saving device for fishing boat
CN104925224A (en) * 2015-05-12 2015-09-23 浙江海洋学院 Sea anchor with tidal current generator
CN111990351A (en) * 2020-08-19 2020-11-27 中国水产科学研究院东海水产研究所 Lantern fish trapping device and method
CN111990351B (en) * 2020-08-19 2023-08-22 中国水产科学研究院东海水产研究所 Lantern fish trapping device and method

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Application publication date: 20120822