CN104454305A - Pile foundation and vertical shaft integrated semi-direct-drive type tidal current power generation device - Google Patents
Pile foundation and vertical shaft integrated semi-direct-drive type tidal current power generation device Download PDFInfo
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- CN104454305A CN104454305A CN201410705667.1A CN201410705667A CN104454305A CN 104454305 A CN104454305 A CN 104454305A CN 201410705667 A CN201410705667 A CN 201410705667A CN 104454305 A CN104454305 A CN 104454305A
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Abstract
The invention aims to provide a pile foundation and vertical shaft integrated semi-direct-drive type tidal current power generation device. An inner cylinder shaft is installed outside a pile foundation in a sleeving mode. An outer cylinder shaft is installed outside the inner cylinder shaft in a sleeving mode and matched with the inner cylinder shaft through a bearing. Wheel hubs are fixed to the exterior of the outer cylinder shaft and connected with blades. The upper end of the outer cylinder shaft is connected with a planet carrier, and planet wheels are installed on the planet carrier. A center wheel is located in the middle of all the planet wheels and meshed with all the planet wheels. The center wheel is installed outside a rotor shaft in a sleeving mode and fixed to the rotor shaft. An outer stator and an inner gear ring are fixed to the inner wall of a case body. The exterior of the rotor shaft is sleeved with an inner rotor matched with an outer stator. All the planet wheels are all meshed with the inner gear ring. The case body is fixed to an inner sleeve. The pile foundation and vertical shaft integrated semi-direct-drive type tidal current power generation device integrates a speed-up mechanism and a permanent-magnet direct-drive type generator, so that an integrated semi-direct-drive type generator case is formed; in this way, the size of a unit is reduced on the basis of meeting the basic requirements for speed regulation of the unit, so that the structure of the unit is compact.
Description
Technical field
What the present invention relates to is a kind of electricity generating device, specifically tidal generating set.
Background technique
Ocean energy is as a kind of clean reproducible energy, and its exploitation can not produce waste water, waste gas, also can not take large stretch of good farmland, more not have radiation pollution.Countries in the world accelerate one after another to be studied the exploitation of ocean energy.Marine tidal-current energy is as the one of marine energy, and the research developed about it is rapid in development in recent years.Research experience about tidal current energy generating equipment is mainly derived from wind generating unit, but the averag density due to seawater is about 800 times of air, so two kinds of units are under the condition of equal-wattage grade, the overall dimensions of marine tidal-current energy power generation hydraulic unit is much less than the overall dimensions of wind power generating set, and this is also to strengthen the major reason to tidal current energy generating equipment research.
Tidal current energy generating equipment, according to water turbine running shaft and the position relationship coming flow path direction and sea level, can be divided into horizontal axial type and vertical shaft type substantially.Compared with horizontal axis water turbine type tidal current energy generating equipment, it is strong that vertical shaft water turbine formula tidal current energy generating equipment has adaptation flow direction property, and be applicable to the features such as large scale array layout, application advantage is obvious.The carrier format of vertical shaft water turbine formula tidal current energy generating equipment is varied.Publication number is disclose a kind of high-power vertical (standing) axle tidal generating set in the patent document of CN101705904A, design a kind of carrier format being connected gravity type base for post and king-post by universal spherical joint, its cabin is arranged on king-post top, and cabin outer rim is distributed with anchor chain orderliness and keg float and anchor chain is connected on anchor with hawser.This carrier format allows unit to swing with ocean current, and (using universal spherical joint connection and anchor chain to add fixedly makes whole carrier be in semi-active state, allow main shaft to a certain extent with stream swing), the unit operating time phase is caused to be in swing state like this, certain damage is caused to the assembling between unit internal structure, and be unfavorable for that unit seals, and installation process is complicated, is unsuitable for operation on the sea.
The general composition form of water turbine is carrier, impeller, speeder and generator set, and speeder often designs too complexity and causes water turbine axial dimension very large, makes the volume and weight of whole water turbine excessive, causes inconvenience to installation and maintenance.Therefore, how to reduce the axial dimension of tidal current energy generating equipment, weight reduction, reduce underwater sealing difficulty, become the technical barrier that those skilled in the art are urgently to be resolved hurrily.Publication number is that the patent of CN102889162A proposes a kind of permanent magnet semi-direct-drive type tidal power generation, half directly driving type combination of simple variable-speed device and permanent magnetism straight hair motor is adopted to adapt to the slow-speed of revolution of low water speed, such simplification speeder design in conjunction with direct driving motor makes the axial dimension of water turbine have certain reduction, but between speeder with generator case subdivision assembling and design equally complicated with traditional approach, namely fundamentally do not solve the technical problem of reduction unit axis volume.
Summary of the invention
The object of the present invention is to provide integrated for a kind of pile foundation vertical shaft mutually integrated to speed increasing mechanism and permanent magnet direct-driven generator half directly driving type tidal generating set.
The object of the present invention is achieved like this:
The integrated half directly driving type tidal generating set of a kind of pile foundation vertical shaft of the present invention, it is characterized in that: comprise pile foundation, outer beam barrel, interior beam barrel, casing, planet carrier, central gear, rotor shaft, blade, inner core axle sleeve is contained in pile foundation outside and also and between pile foundation fixes, urceolus axle sleeve is contained in inner core axle outside and is matched by bearing with between inner core axle, the external stability of urceolus axle has wheel hub, blade connects wheel hub by spoke, urceolus axle upper end connected row carrier, along the even installed rows star-wheel of its circumferencial direction on planet carrier, central gear is positioned at all planet wheels centre and is meshed with all planet wheels, central gear encapsulation is outside and fix with rotor shaft at rotor shaft, cabinet wall is fixed with external stator and ring gear, rotor shaft outer cover is equipped with the internal rotor coordinated with external stator, internal rotor is positioned at external stator inside, all planet wheels are all meshed with ring gear, casing and inner sleeve fix, pile foundation comprises the epimere be connected successively, stage casing, hypomere, the epimere of pile foundation and casing are positioned on sea level, the stage casing of pile foundation and blade, wheel hub is positioned at b.s.l..
The present invention can also comprise:
1, described pile foundation arranges the hollow structure being used for maintaining and deposit control apparatus.
Advantage of the present invention is: the technological deficiency that the present invention is directed to existing tidal current energy generating equipment, is pile foundation type, fixedly squeezes into seabed by the carrier design of tidal generating set, and pile foundation upper end is installed generator set and surfaced; Secondly by simplifying speeder, and by design integrated to itself and direct drive generator, simplify the section structure in tidal current energy generating equipment, fundamentally reduce water turbine overall volume and size, improve the stability of whole unit, reliability and working life.This type tidal current energy generating equipment is easy to install, debug, and reduce unit manufacture and construction cost, can work in the low speed marine site of trend, be the Main Trends of The Development of tidal current energy generating equipment from now on.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is A-A view of the present invention.
Embodiment
Below in conjunction with accompanying drawing citing, the present invention is described in more detail:
Composition graphs 1 ~ 2, integrated half direct drive tidal power generating device of the present invention forms primarily of pile foundation 1, blade wheel structure and the integrated parts such as generator of partly directly driving, and is that one can adapt to the powerful tidal current energy generating equipment of low flow velocity.
As shown in Figure 1, pile foundation 1 is the carrier of whole tidal generating set, by the position that seabed fixes whole electricity generating device is squeezed in the lower end of pile foundation 1.Composition graphs 1 and Fig. 2, blade wheel structure is installed on the middle part of pile foundation, is placed in below horizontal plane, forms primarily of parts such as outer beam barrel 2, wheel hub 3, blade 4, bearing 5, spoke 6 and interior beam barrels 14.Wherein outer beam barrel 2, wheel hub 3, blade 4 are all fixedly connected with spoke 6, and interior beam barrel 14 is affixed with pile foundation 1, realizes relatively rotating between interior beam barrel 14 and outer beam barrel 2 by bearing 5.Blade 4 accepts washing away of current, water flow dynamic energy is converted into the rotation of blade wheel structure, and the quantity of blade 4 generally selects 3 or 4.The integrated generator that partly directly drives is by planetary gears with directly drive generator two-part and form, and planetary gears comprises ring gear 10, planet wheel 11, central gear 12 and planet carrier 15 and forms; Directly drive generator and mainly comprise the parts compositions such as external stator 7, internal rotor 8 and casing 9.The outer beam barrel 2 that rotates through of blade wheel structure is fixedly connected with to be delivered to planet carrier 15 and partly directly drives master section, and the rotation of planet carrier 15 drives the rotation of planet wheel 11 and central gear 12, achieves the speedup transmission of wheel rotation.Internal rotor 8 and central gear 12 rotatingshaft of generator are connected, and realize the conversion of kinetic energy to electric energy, external stator 7 and ring gear are all fixed on generator casing body 9.The axle of pile foundation 1 is through blade wheel structure and partly directly drive generator, and top is fixedly connected with end cap outer cover 13.
As shown in Figure 1 and Figure 2, in addition to the above, the control apparatus of some necessity can be arranged on pile foundation 1 inside, when keeping in repair tidal current energy generating equipment, maintenance man can open the end cap outer cover 13 that pile foundation 1 is pushed up, and then enters the care and maintenance that control apparatus is carried out in pile foundation 1 inside.The external stator 7 of pile foundation vertical shaft direct drive tidal power generating device and internal rotor 8 are all away from seawater levels, and the requirement for mechanical dynamic seal is lower, do not worry that seawater enters in the casing 9 of generator, affect the normal work of tidal current energy generating equipment.
Selection has comparatively low flow velocity marine site runner, pile foundation vertical shaft half direct drive tidal power generating device is arranged in water channel, when strength of current reaches toggle speed, impeller rotates under the impact of trend, planet carrier 15 is driven to rotate by the rotation of outer beam barrel 2, drive planet wheel 11 and ring gear 10 and central gear 12 engagement driving by planet carrier again, increase the rotating speed of central gear 12 thus internal rotor 8 rotating speed of raising generator.This device can also adapt to the flowing of marine tidal-current energy any direction simultaneously, without the need to the blade pitch device of the convection mechanism or blade that design water turbine set.
Integrated half direct drive tidal power generating device of the present invention forms primarily of pile foundation, impeller, the integrated parts such as generator of partly directly driving.That one can adapt to the powerful tidal current energy generating equipment of low flow velocity.Its pile foundation is base and the carrier of whole electricity generating device, and seabed is squeezed in its lower end, in order to the position of fixed power generator; Middle part connects impeller, and upper end connection is partly directly driven generator and stretched out sea, reduces sealing difficulty.Impeller is installed in the middle part of pile foundation, and internal axle sleeve is fixedly connected with pile foundation; Impeller blade and center of rotation are all placed perpendicular to horizontal plane, and the impact accepting current by blade produces rotates, then rotation to be passed to by outer beam barrel and integratedly partly directly drive electric generator structure.The whole integrated generator casing body that partly directly drives is installed on pile foundation upper end, and the integrated electric generator structure that partly directly drives is made up of planetary gears and direct driving motor, is installed in same casing.Install epicyclic gear system near impeller one end, its internal gear is directly installed on cabinet wall, and generator external stator part is also installed on cabinet wall.The rotation of the outer beam barrel of impeller is delivered to planet carrier, the rotation of planet carrier drives planet wheel to produce the rotation around central gear and the rotation around its center, this rotation drives the rotation of central gear, increase the rotating speed of central gear, central gear and generator rotor shaft are designed to be fixedly connected with, and namely achieve the speedup transmission of wheel rotation.The control apparatus of some necessity is arranged on pile foundation inside, and convenient for maintaining personnel overhaul.
In above-mentioned pile foundation pivotal axis half direct drive tidal power generating device, utilize the design of pile foundation fixed power generator for the swingable carrier design of universal spherical joint in the patent that publication number is CN101705904A, effectively decrease the interference of stormy waves for electricity generating device, be beneficial to unit maintenance and sealing, installation process is also more simple, is applicable to China's shallow sea area; Vertical shaft impeller select the energy capture that can realize any direction current; Simplifying it while speeder with directly driving generator integrated is that speeder is only reduced to one-level speedup relative to the patent of publication number CN102889162A and for the design be simply connected with coupling with direct drive generator, achieves the reduction to tidal power generating unit overall structure and volume from the basic comprising of tidal generating set by the design of partly directly driving generator case.
Claims (2)
1. the integrated half directly driving type tidal generating set of pile foundation vertical shaft, it is characterized in that: comprise pile foundation, outer beam barrel, interior beam barrel, casing, planet carrier, central gear, rotor shaft, blade, inner core axle sleeve is contained in pile foundation outside and also and between pile foundation fixes, urceolus axle sleeve is contained in inner core axle outside and is matched by bearing with between inner core axle, the external stability of urceolus axle has wheel hub, blade connects wheel hub by spoke, urceolus axle upper end connected row carrier, along the even installed rows star-wheel of its circumferencial direction on planet carrier, central gear is positioned at all planet wheels centre and is meshed with all planet wheels, central gear encapsulation is outside and fix with rotor shaft at rotor shaft, cabinet wall is fixed with external stator and ring gear, rotor shaft outer cover is equipped with the internal rotor coordinated with external stator, internal rotor is positioned at external stator inside, all planet wheels are all meshed with ring gear, casing and inner sleeve fix, pile foundation comprises the epimere be connected successively, stage casing, hypomere, the epimere of pile foundation and casing are positioned on sea level, the stage casing of pile foundation and blade, wheel hub is positioned at b.s.l..
2. the integrated half directly driving type tidal generating set of a kind of pile foundation vertical shaft according to claim 1, is characterized in that: described pile foundation arranges the hollow structure being used for maintaining and deposit control apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705667.1A CN104454305B (en) | 2014-11-27 | 2014-11-27 | A kind of integrated half direct-drive type tidal generating set of pile foundation vertical shaft |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410705667.1A CN104454305B (en) | 2014-11-27 | 2014-11-27 | A kind of integrated half direct-drive type tidal generating set of pile foundation vertical shaft |
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| CN104454305A true CN104454305A (en) | 2015-03-25 |
| CN104454305B CN104454305B (en) | 2016-09-14 |
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| CN201410705667.1A Expired - Fee Related CN104454305B (en) | 2014-11-27 | 2014-11-27 | A kind of integrated half direct-drive type tidal generating set of pile foundation vertical shaft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719401A (en) * | 2021-09-08 | 2021-11-30 | 东北石油大学 | Vertical rotary impeller type ocean tidal current energy power generation device |
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| EP1712783A1 (en) * | 2005-04-13 | 2006-10-18 | Jaroslav Duda | Wave energy converter |
| CN201381953Y (en) * | 2009-04-30 | 2010-01-13 | 哈尔滨哈飞工业有限责任公司 | Speed increasing box of semi-direct-driven wind turbine generator system |
| CN101705904A (en) * | 2009-11-11 | 2010-05-12 | 哈尔滨工程大学 | High-power vertical shaft tidal generating set |
| CN102588193A (en) * | 2012-03-21 | 2012-07-18 | 国电联合动力技术有限公司 | Fully-sealed compact floating ocean current generating system |
| JP2012184746A (en) * | 2011-03-08 | 2012-09-27 | Bellsion:Kk | Hydraulic turbine |
| CN203717796U (en) * | 2013-12-31 | 2014-07-16 | 南车戚墅堰机车车辆工艺研究所有限公司 | Integrated semi-direct-driven wind power generator transmission chain and gear box thereof |
| CN104005903A (en) * | 2014-05-20 | 2014-08-27 | 华南理工大学 | Vertical-axis wave-activated generator |
| CN204253266U (en) * | 2014-11-27 | 2015-04-08 | 哈尔滨工程大学 | The integrated half directly driving type tidal generating set of a kind of pile foundation vertical shaft |
-
2014
- 2014-11-27 CN CN201410705667.1A patent/CN104454305B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1712783A1 (en) * | 2005-04-13 | 2006-10-18 | Jaroslav Duda | Wave energy converter |
| CN201381953Y (en) * | 2009-04-30 | 2010-01-13 | 哈尔滨哈飞工业有限责任公司 | Speed increasing box of semi-direct-driven wind turbine generator system |
| CN101705904A (en) * | 2009-11-11 | 2010-05-12 | 哈尔滨工程大学 | High-power vertical shaft tidal generating set |
| JP2012184746A (en) * | 2011-03-08 | 2012-09-27 | Bellsion:Kk | Hydraulic turbine |
| CN102588193A (en) * | 2012-03-21 | 2012-07-18 | 国电联合动力技术有限公司 | Fully-sealed compact floating ocean current generating system |
| CN203717796U (en) * | 2013-12-31 | 2014-07-16 | 南车戚墅堰机车车辆工艺研究所有限公司 | Integrated semi-direct-driven wind power generator transmission chain and gear box thereof |
| CN104005903A (en) * | 2014-05-20 | 2014-08-27 | 华南理工大学 | Vertical-axis wave-activated generator |
| CN204253266U (en) * | 2014-11-27 | 2015-04-08 | 哈尔滨工程大学 | The integrated half directly driving type tidal generating set of a kind of pile foundation vertical shaft |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113719401A (en) * | 2021-09-08 | 2021-11-30 | 东北石油大学 | Vertical rotary impeller type ocean tidal current energy power generation device |
| CN113719401B (en) * | 2021-09-08 | 2023-06-30 | 东北石油大学 | Vertical rotary impeller type ocean tidal current energy power generation device |
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| CN104454305B (en) | 2016-09-14 |
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