CN201730734U - Straight blade vertical shaft swing type tidal energy conversion device - Google Patents
Straight blade vertical shaft swing type tidal energy conversion device Download PDFInfo
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- CN201730734U CN201730734U CN201020260260XU CN201020260260U CN201730734U CN 201730734 U CN201730734 U CN 201730734U CN 201020260260X U CN201020260260X U CN 201020260260XU CN 201020260260 U CN201020260260 U CN 201020260260U CN 201730734 U CN201730734 U CN 201730734U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 20
- 241001347978 Major minor Species 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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Abstract
A straight blade vertical shaft swing type tidal energy conversion device belongs to the technical field of marine renewable energy source utilization and comprises a blade A (3), a blade B (9), a blade horizontal shaft (7), a blade support (6), a spindle (1), an auxiliary shaft (4), a main rotating arm (2), an auxiliary rotating arm (5), a base (8) and a power generator. The blade A and the blade B can drive the main rotating arm and the auxiliary rotating arm in reciprocating swing around the spindle and the auxiliary shaft, and a parallel quadrilateral linkage mechanism consists of a central connecting line of the spindle and the auxiliary shaft, the blade support, the main rotating arm and the auxiliary rotating arm. When the rotating arms rotate, a blade horizontal shaft locker inside the blade support locks the blade horizontal shaft. When the blade A and the rotating arms swing towards one end to a position with the maximum preset angle, the blade horizontal shaft locker is released to lead the blade A and the blade horizontal shaft to rotate for 180 degrees, the blade horizontal shaft locker is locked again, lifting force acting on the straight blade is altered to an opposite direction to lead the blade A and the rotating arms to swing towards the opposite direction until reaching the position with the maximum angle, and the actions are repeated to lead the rotating arms to continuously swing in a reciprocating manner.
Description
Technical field
The utility model relates to a kind of prismatic blade vertical shaft swing type trend energy conversion equipment, is further to improve to form on existing vertical axis straight blade trend energy conversion equipment basis, belongs to regenerable marine energy and utilizes technical field.
Background technique
At present trend can conversion equipment mainly comprises two kinds of horizontal axis impeller type and vertical shaft impeller types, on principle, existing trend can conversion equipment all be to produce moment by hydrodynamism in blade, drives the rotating shaft rotation, thereby can be converted to trend the mechanical energy that rotatablely moves of axle.Obviously, the moment that drives rotating shaft is big more, and then the power of rotating shaft output mechanical energy is high more, and promptly showing can be high more to the one-level conversion efficiency of mechanical energy from trend.The advantage of horizontal axis impeller unit is that energy conversion efficiency is higher relatively, and the advantage of vertical shaft impeller unit is to adapt to different direction of tides, and simple in structure being easy to made.
The major defect of existing horizontal axis impeller unit is: impeller diameter is limited by the depth of water, can not be very big; In order to make blade all reach optimum hydrodynamic characterisitic everywhere along spanwise, the angle of attack in each cross section of blade will change, and this just makes the blade shape complexity, and manufacture difficulty is big, cost is high.In addition, from essential structure, its root of blade is connected with wheel hub, and the root of blade cross section is the shortest to the arm of force at rotating shaft center, and the blade tip cross section is the longest to the arm of force at rotating shaft center.Therefore, always some blade is less to the arm of force at rotating shaft center, and the moment of generation is also less.
The major defect of existing vertical shaft impeller unit is: because impeller 360 degree rotations, for individual blade, always having above residing position of half the time blade and direction blade is not optimum state, so its trend can conversion efficiency be lower than the horizontal axis impeller type.
How developing a kind of high efficiency trend energy conversion equipment that has the advantage of vertical shaft impeller type and horizontal axis impeller type concurrently, is the problem that needs solution.
The model utility content
The utility model is improved to the mode of blade and spiral arm circular movement in the vertical shaft impeller type trend energy conversion equipment motion mode of small angle oscillation, make the blade that trend can conversion equipment remain at optimum stress, provide big as far as possible moment to improve the output power of rotating shaft.Adopt the vertical shaft device, spiral arm rotates in the horizontal direction, and when strength and stiffness allowed, spiral arm length can not limited by the depth of water, is subjected under the identical condition of hydrodynamic force at blade, obtains high torque (HT) by the lengthening arm of force; Adopt prismatic blade, and utilize parallelogram linkage, make blade all the time with optimum angle of attack towards water (flow) direction, make blade reach the maximum lift value everywhere simultaneously; Blade drives spiral arm and swings in less angular range, and is different from the circular movement of existing vertical shaft impeller unit, can avoid blade to be in disadvantageous stressed position for a long time, lowers efficiency.
The technological scheme that the utility model adopted is:
A kind of prismatic blade vertical shaft swing type trend energy conversion equipment, this trend energy conversion equipment comprise blade A, blade B, blade horizontal axis, the blade bearing that includes blade horizontal axis locker, main shaft, countershaft, main jib, secondary spiral arm, include the base and the generator of spiral arm angular displacement limiter; Blade A and blade B can drive the major-minor spiral arm around major-minor axle reciprocally swinging, and pendulum angle is limited in and is symmetrical in the positive and negative 90 degree scopes of water (flow) direction.
The line of centres of main shaft and countershaft, blade bearing, main jib, secondary spiral arm constitute parallelogram linkage, and the blade horizontal axis that is installed on the blade bearing is parallel to the trend flow direction.
When spiral arm rotated, the blade horizontal axis locker in the blade bearing pinned the blade horizontal axis; Two spiral arms of blade A and major-minor are when an end swings to default maximum angle place, and blade horizontal axis locker unclamps; Blade A and blade horizontal rotational shaft 180 degree, blade horizontal axis locker is locked once more, and the lift that acts on the prismatic blade changes to opposite direction, and two spiral arms of blade A and major-minor are swung round about, arrive the maximum angle place and repeat above action, make the continuous reciprocally swinging of spiral arm.
Vanes fixed is on the blade horizontal axis; The blade horizontal axis is installed on the blade bearing; Blade bearing two ends are connected with secondary spiral arm with main jib by the articulated mounting that can rotate in horizontal plane respectively; Main jib is connected with countershaft with main shaft respectively with secondary spiral arm; The line in blade bearing, major-minor spiral arm, major-minor axle axle center constitutes parallelogram linkage, blade all the time with optimum angle of attack towards water (flow) direction; Blade drives spiral arm, swing in the less relatively angle that is symmetrical in the trend flow direction (less than positive and negative 90 degree) scope; When spiral arm rotated, the blade horizontal axis locker in the blade bearing pinned, and the blade horizontal axis can not rotate; When spiral arm when an end swings to default maximum angular displacement place, blade horizontal axis locker unclamps, blade and blade horizontal rotational shaft 180 degree, the lift that acts on the blade changes direction, blade horizontal axis locker pins once more; Blade drives spiral arm and swings round about, when arriving the default maximum angular displacement place of swing, repeats above action.
The beneficial effects of the utility model are, avoided the short shortcoming of the horizontal axis impeller unit arm of force, avoided the shortcoming of vertical shaft impeller unit conversion efficiency difference, prismatic blade is under the maximum lift state all the time, and, produce maximum moment of rotation in conjunction with long spiral arm, greatly increased the output power of main shaft, simple in structure, be convenient to make and install.
Description of drawings
Fig. 1 a is that prismatic blade vertical shaft swing type trend can conversion equipment three-dimensional view (spiral arm swings to limit position clockwise).
Fig. 1 b is that prismatic blade vertical shaft swing type trend can the conversion equipment plan view.
Fig. 2 a be spiral arm when swinging to limit position prismatic blade around the horizontal rotational shaft three-dimensional view.
Fig. 2 b be spiral arm when swinging to limit position prismatic blade around the horizontal rotational shaft plan view.
Fig. 3 a prismatic blade is around the rotation 180 degree back three-dimensional views of horizontal axis.
Fig. 3 b prismatic blade is around the rotation 180 degree back plan views of horizontal axis.
Fig. 4 a is that the spiral arm counter-clockwise swing is to the limit position three-dimensional view.
Fig. 4 b is that the spiral arm counter-clockwise swing is to the limit position plan view.
Among the figure: 1 main shaft, 2 main jibs, 3 blade A, 4 countershafts, 5 secondary spiral arms, 6 blade bearings, 7 blade horizontal axis, 8 bases, 9 blade B.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
In Fig. 1, main shaft 1 and countershaft 4 all are vertically mounted on the base 8; Include spiral arm angular displacement limiter in the base 8, guarantee that spiral arm can only rotate in default angular range; Blade 3 is fixedly installed on the blade horizontal axis 7; Blade horizontal axis 7 is installed on the blade bearing 6, and can rotate around the axle center of self; Blade bearing 6 includes blade horizontal axis locker, and locker pins the blade horizontal axis when spiral arm rotates, unclamp when spiral arm moves to default maximum angular displacement place, pins once more after making blade and blade horizontal rotational shaft 180 degree; Blade bearing 6 rear ends and main jib 2 are hinged, and blade bearing 6 front ends and secondary spiral arm 5 are hinged, and two articulating points can only rotate in horizontal plane; For the center of gravity that makes whole device remains on the main shaft, be symmetrical in main shaft and arrange rear blade 9 and members such as corresponding major and minor spiral arm and countershaft thereof; Main shaft 1 and countershaft 4 lines, main jib 2, secondary spiral arm 5, blade bearing 6, four parts have constituted parallel-crank mechanism, and blade horizontal axis 7 is all the time towards coming flow path direction (the hypothesis water (flow) direction from left to right among the figure) when guaranteeing the spiral arm rotation; The major-minor spiral arm just is staggeredly arranged, and does not disturb mutually during rotation; Main shaft 1 is a pto, can drive generator for electricity generation by gear transmission, or drives oil hydraulic motor by hydraulic pressure installation, drives generator for electricity generation again.
Among Fig. 1, blade and spiral arm system are subjected to the effect of the clockwise moment of hydrodynamic force generation, have swung to clockwise limit position.
In Fig. 2, when spiral arm swings to clockwise limit position, locker in the blade bearing 6 unclamps, by means of the moment (blade in horizontal axis both sides size or the angle of attack can different) of blade in the stressed asymmetric generation in horizontal axis both sides, or use actuating motor that moment is provided, blade 3 is rotated around blade horizontal axis 7.State when Fig. 2 arrives horizontal position for blade rotation.
In Fig. 3, when blade 3 after blade horizontal axis 7 rotates 180 degree, the locker in the blade bearing is locked once more, blade stops operating, the suffered transverse force of blade is just in time opposite during with Fig. 1, produces counterclockwise moment, and blade and spiral arm system are begun to swing counterclockwise.
In Fig. 4, blade and spiral arm system have swung to counterclockwise limit position, and blade 3 will rotate 180 degree around blade horizontal axis 7 once more.Above process constantly repeats, and makes blade and spiral arm system realize reciprocal swing.
The two-way rotation of main shaft can be converted to unidirectional rotation by gear train, drives generator for electricity generation.Also can pass through hydraulic system,, drive the oil hydraulic motor one-way rotation, drive generator for electricity generation again by the control of one-way cock in the oil hydraulic circuit.
Claims (1)
1. a prismatic blade vertical shaft swing type trend can conversion equipment, it is characterized in that: this trend can conversion equipment comprises blade A (3), blade B (9), blade horizontal axis (7), the blade bearing (6) that includes blade horizontal axis locker, main shaft (1), countershaft (4), main jib (2), secondary spiral arm (5), includes the base (8) and the generator of spiral arm angular displacement limiter; Blade A (3) and blade B (9) can drive the major-minor spiral arm around major-minor axle reciprocally swinging, and pendulum angle is limited in and is symmetrical in the positive and negative 90 degree scopes of water (flow) direction;
The line of centres of main shaft (1) and countershaft (4), blade bearing (6), main jib (2), secondary spiral arm (5) constitute parallelogram linkage, and the blade horizontal axis (7) that is installed on the blade bearing (6) is parallel to the trend flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020260260XU CN201730734U (en) | 2010-07-15 | 2010-07-15 | Straight blade vertical shaft swing type tidal energy conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020260260XU CN201730734U (en) | 2010-07-15 | 2010-07-15 | Straight blade vertical shaft swing type tidal energy conversion device |
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| Publication Number | Publication Date |
|---|---|
| CN201730734U true CN201730734U (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020260260XU Expired - Fee Related CN201730734U (en) | 2010-07-15 | 2010-07-15 | Straight blade vertical shaft swing type tidal energy conversion device |
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| Country | Link |
|---|---|
| CN (1) | CN201730734U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146868A (en) * | 2011-04-29 | 2011-08-10 | 高克君 | Ocean current combined-type rotational slip power generation device |
| CN102168642A (en) * | 2011-06-02 | 2011-08-31 | 山东大学 | Oscillatory type tidal power generation device |
| CN104728030A (en) * | 2015-02-02 | 2015-06-24 | 无锡昊瑜节能环保设备有限公司 | Artificial floating island for generating power through seabed or lakebed underflow |
| WO2020168738A1 (en) * | 2019-02-19 | 2020-08-27 | 上海交通大学 | Oscillating hydrofoil tidal current energy electricity-generation device |
-
2010
- 2010-07-15 CN CN201020260260XU patent/CN201730734U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102146868A (en) * | 2011-04-29 | 2011-08-10 | 高克君 | Ocean current combined-type rotational slip power generation device |
| CN102168642A (en) * | 2011-06-02 | 2011-08-31 | 山东大学 | Oscillatory type tidal power generation device |
| CN102168642B (en) * | 2011-06-02 | 2012-10-10 | 山东大学 | Oscillatory type tidal power generation device |
| CN104728030A (en) * | 2015-02-02 | 2015-06-24 | 无锡昊瑜节能环保设备有限公司 | Artificial floating island for generating power through seabed or lakebed underflow |
| CN104728030B (en) * | 2015-02-02 | 2017-05-31 | 惠安县冠威机械设备有限公司 | A kind of seabed or lakebed undercurrent generating artificial floating island |
| WO2020168738A1 (en) * | 2019-02-19 | 2020-08-27 | 上海交通大学 | Oscillating hydrofoil tidal current energy electricity-generation device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20110715 |