CN110735751A - conventional sea area water flow driving power generation device - Google Patents
conventional sea area water flow driving power generation device Download PDFInfo
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- CN110735751A CN110735751A CN201910930876.9A CN201910930876A CN110735751A CN 110735751 A CN110735751 A CN 110735751A CN 201910930876 A CN201910930876 A CN 201910930876A CN 110735751 A CN110735751 A CN 110735751A
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- central rod
- power generation
- positioning
- contact
- cavity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/14—Rotors having adjustable blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/40—Transmission of power
- F05B2260/404—Transmission of power through magnetic drive coupling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses an conventional sea area water flow driving power generation device, which comprises a main body support, a power generation module fixed on the main body support, a central rod at the end, a fan blade assembly and a non-contact radial positioning piece, wherein the central rod is linked with the input end of the power generation module through a non-contact coupling, the fan blade assembly is mutually fixed with the central rod and can drive the central rod to synchronously rotate, the central rod realizes axial positioning relative to the main body support through the non-contact axial positioning piece, and radial positioning relative to the main body support is realized through the non-contact radial positioning piece.
Description
Technical Field
The invention relates to the field of ocean power generation, in particular to power generation devices capable of being driven by low-speed ocean current.
Background
The ocean resources are treasury of human beings, when the ocean resources are detected in various fields, high requirements are provided for the efficiency, the endurance, the service life and the like of detection equipment for obtaining a sufficient number of data samples, the energy supply of the equipment also becomes problems which need to be solved urgently, the utilization of the ocean resources for solving the energy supply problem of the ocean detection equipment is good schemes, but for the traditional power generation device, the water flow speed at the seabed is too low, and the rotor in the power generator is difficult to be pushed to overcome the friction force to do work.
Disclosure of Invention
The invention aims to provide underwater power generation devices which have low friction and can be driven by flood and slow water flow in an application region, aiming at the defects of large rotor friction and high required water flow speed of the existing power generation system.
A conventional sea area water flow driving power generation device comprises a main body bracket and further comprises:
the power generation module is fixed on the main body bracket;
end is a central rod linked with the input end of the power generation module through a non-contact coupler;
the fan blade assembly is mutually fixed with the central rod and can drive the central rod to synchronously rotate;
the central rod is axially positioned relative to the main body support through a non-contact axial positioning piece, and is radially positioned relative to the main body support through a non-contact radial positioning piece.
The invention adopts a non-contact coupling to be linked with the input end of the power generation module, and transmits the rotation torque to the power generation module in a non-contact way, preferably, the non-contact coupling is a magnetic coupling, and the magnetic transmission coupling has the functions of buffering and absorbing vibration of an elastic coupling, and has the greatest characteristic that the magnetic transmission coupling breaks through the structural form of the traditional coupling, adopts a brand-new magnetic coupling principle to realize the transmission of force and torque between a driving shaft and a driven shaft without direct contact, can change dynamic sealing into static sealing and realize zero leakage, so that is widely applied to occasions with special requirements on leakage.
The invention realizes the axial and radial positioning of the center rod through the non-contact axial positioning piece and the non-contact radial positioning piece respectively, and simultaneously does not influence the free rotation state of the center rod, and the resistance is lower because the non-contact axial positioning piece and the non-contact radial positioning piece are adopted without contact friction.
Preferably, the main body support includes:
the mounting cavity is positioned at the top and used for mounting the power generation module;
the upper positioning cavity is fixed at the bottom of the mounting cavity;
a lower positioning cavity located at the bottom;
the positioning rod mutually fixes the upper positioning cavity and the lower positioning cavity;
the central rod is fixed between the upper positioning cavity and the lower positioning cavity through the non-contact axial positioning piece and the non-contact radial positioning piece.
The installation cavity is a sealed cavity, which can avoid the adverse effect of seawater on the power generation module while realizing the installation of the power generation module, and the axial and radial positioning of the center rod is facilitated by the upper positioning cavity and the lower positioning cavity.
Preferably, the non-contact radial positioning piece is a ring magnet I; the bottom of the upper positioning cavity is provided with a positioning hole, and the annular magnet I is fixed in the positioning hole; the top end of the center rod penetrates through the positioning hole and is linked with the input end of the power generation module through the non-contact coupler; the position of the central rod corresponding to the annular magnet I is a magnetic body.
In the present invention, the positions corresponding to the ring magnet I or the subsequent ring magnet II are all made of magnetic materials, such as an iron rod or an iron sleeve, or an iron rod with magnetic induction properties may be directly selected as the center rod.
Preferably, the non-contact radial positioning piece is a ring magnet II; the top of the lower positioning cavity is provided with a mounting hole, and the annular magnet II is fixed in the mounting hole; the bottom end of the central rod penetrates through the mounting hole and is positioned with the main body bracket through the non-contact axial positioning piece; the position of the central rod corresponding to the annular magnet II is a magnetic body.
Of course, the non-contact radial positioning element may also be a combination of the ring magnet I and the ring magnet II, further increasing the stability of radial positioning of the center rod.
Preferably, the non-contact axial positioning elements are mutually exclusive and mutually separated electromagnet pairs. The electromagnet pair can realize magnetic suspension of the center rod, and resistance and loss caused by basic friction are avoided.
Preferably, the fan blade assembly includes:
an upper positioning ring and a lower positioning ring which are same in size are coaxially arranged;
or more fan blades hinged between the upper positioning ring and the lower positioning ring;
and limiting parts for limiting two rotation limiting positions of the fan blade.
In the invention, the fan blade is a rectangular plate structure, the side is hinged (connected) with the upper positioning ring and the lower positioning ring, in addition, the side is positioned in the space enclosed by the upper positioning ring and the lower positioning ring and can rotate freely, and the two sides are parallel to the central connecting line of the upper positioning ring and the lower positioning ring.
The number of the fan blades is 2-5. Preferably, the central rod is provided with 3 fan blades, the fan blades rotate around hinge points on the upper and lower fixed circular rings, and the included angle between the fan blades (the included angle between the hinge point and the connecting line of the central axes of the upper and lower fixed circular rings) is 120 degrees. The central rod piece is provided with a blocking block, and the fan blades in the positive rotation direction are intercepted by the blocking block and pushed by water flow to drive the central rod piece to rotate. The fan blades in the reverse direction of rotation are pushed by water flow to be separated from the central rod piece, the work area of the water flow is reduced, and the function of reducing resistance is achieved.
Preferably, the width of the fan blade is equal to or slightly smaller than the radius of the upper positioning ring or the lower positioning ring, the limiting piece comprises a limiting rod which is arranged on the upper positioning ring or/and the lower positioning ring and prevents the fan blade from rotating out of a space defined by the upper positioning ring and the lower positioning ring, and a blocking piece which is arranged on the central rod and abuts against the side of the fan blade when the corresponding fan blade rotates to be opposite to the central rod to prevent the fan blade from continuously rotating, the limiting rod can ensure that the fan blade can always rotate in the space defined by the upper positioning ring and the lower positioning ring and cannot rotate out of the space, the blocking piece can enable the corresponding fan blade to enter a working state under the condition that water flow meets requirements, namely, the fan blade has two working states like, of the fan blade abut against the blocking piece under the action of water flow to form a working surface facing the direction of water flow, the water flow is blocked, the fan blade rotates under the action of water flow thrust to further drive the central rod to rotate, the working state is the working state, after the fan blade rotates to a certain angle , the thrust force does not act on the fan blade, and the fan blade does not enter the thrust of the water flow, and the blocking piece does not drive the fan blade to enter the working state.
Preferably, under the action of the blocking block, the central rod rotates in a specific direction, for example, the blocking block can be arranged on the specific side of the fan blades, for example, the fan blades can rotate clockwise or rotate anticlockwise, preferably , the fan blades are uniformly arranged, the number of the blocking blocks is the same as that of the fan blades, and is correspondingly arranged.
In the invention, the water flow speed required by the rotation of the central rod piece is low, and the power generation can be realized in a low water flow environment. The unique fan blade structure ensures that the rotating direction of the central rotor is unchanged in any water flow direction.
In the invention, because the central rotor (central rod) is not actually contacted with the shell (upper and lower mounting cavities), the constraints in the vertical and horizontal directions are all in a magnetic suspension mode, the friction force is small, in the -shaped surface layer or seabed ocean current, slow water flow is enough to push the fan blades to drive the central rod to rotate, and the internal power generation module works through the magnetic coupling at the top.
Compared with the prior art, the invention has the following advantages:
the fixed constraint of the generator rotor is connected by magnetic suspension, no actual contact point exists, and compared with a conventional underwater generator, the required driving water flow speed is extremely low.
Drawings
Fig. 1 is a plan view schematically illustrating the overall structure of the present invention.
Fig. 2 is an assembly view of the fan blade and the central rod.
Fig. 3 and 4 are schematic diagrams illustrating rotation of the fan blades.
FIG. 5 is a three-dimensional schematic of the present invention.
In the above drawings:
1. a buoyant material; 2. sealing the cavity; 3. a magnetic coupling; 4. a ring magnet; 5. a fan blade; 6. a magnetic suspension device; 7. an integral frame; 8. a blocking block; 9. an upper positioning ring; 10. a center pole; 11. a limiting rod; 12. a lower positioning ring; 13 power generation module.
Detailed Description
The invention is further described in below in conjunction with the following figures.
Referring to fig. 1 and 5, the ocean current driven power generation device comprises a main body support, a buoyancy material 1 fixed on the top of the main body support, a magnetic coupling coupler 3, a magnet 4, fan blades 5, an upper positioning ring 9, a center rod 10, a lower positioning ring 12 and a power generation module 13.
The main body support comprises a power generation module installation cavity 7 located at the top, an upper positioning cavity 14 fixed at the bottom of the power generation module installation cavity, a lower positioning cavity 15 located at the bottom and a positioning rod 16 for fixing the upper positioning cavity and the lower positioning cavity mutually, the main body support mainly provides an installation space for the whole device, the power generation module installation cavity 7 is a sealed cavity body and is used for installing the power generation module 13, the power generation module 13 adopts an existing power generation mechanism like a common power generator ( comprises a stator, a rotor, a coil winding and the like) like the common power generator and is used for converting mechanical energy into electric energy.
The power generation module installation cavity 7 and the upper positioning cavity 14 can adopt body structures, and can also be mutually fixed in a mode of threads, welding, clamping and the like, the bottom of the upper positioning cavity 14 is provided with a positioning hole, an annular magnet 4 is fixed in the positioning hole, the top of the central rod 10 penetrates through the positioning hole and a through hole of the annular magnet 4, and the top end of the central rod is linked with the input end of the power generation module 13 through the magnetic coupling coupler 3.
The central rod 10 may be a metal rod (ferromagnetic material such as iron, nickel, cobalt, and other metals) having magnetic induction on the electromagnet, or a metal ring (ferromagnetic material such as iron, nickel, cobalt, and other metals) having magnetic induction on the electromagnet or other structures having magnetic induction on the electromagnet may be disposed at a position corresponding to the ring magnet 4. Through annular magnet 4 and have the radial location of well core rod 10 of magnetic induction to the electro-magnet, avoid well core rod 10 radial emergence skew. And a gap is kept between the central rod 10 and the annular magnet 4, so that the friction force between the central rod and the annular magnet is avoided.
Meanwhile, referring to fig. 2-4, the center rod 10 can rotate axially, upper positioning rings 9 and lower positioning rings 12 are fixed on the upper and lower sides of the center rod 10 respectively, and the upper positioning rings 9 and the lower positioning rings 12 are respectively realized by positioning rings and cross supports and can rotate synchronously with the center rod 10.
The upper positioning ring 9 and the lower positioning ring 12 are uniformly hinged with three fan blades 5 along the circumferential direction, each fan blade 5 is of a rectangular blade structure, the top end of the outer side of each fan blade is hinged with the upper positioning ring 9, the bottom end of the outer side of each fan blade is hinged with the lower positioning ring 12, the fan blades 5 can freely rotate under the action of water flow, three blocking blocks 8 are fixed on the central rod 10, the three blocking blocks 8 respectively correspond to the three fan blades and are used for limiting the rotation limits of the three fan blades in directions, and meanwhile, limiting rods 11 respectively corresponding to the three fan blades are respectively arranged on the upper positioning ring 9 and the lower positioning ring 12 and are used for limiting the rotation limits of the three fan blades in the other directions, so that the three fan blades can rotate in a space surrounded by the upper positioning ring 9 and the lower positioning ring.
In fig. 2, under the limiting action of the three blocking blocks 8, the three fan blades are limited by the three blocking blocks only when rotating counterclockwise, that is, under the action of the three blocking blocks, the upper positioning ring 9, the lower positioning ring 12 and the central rod 10 can only rotate clockwise in a single direction. It should be noted that the three fan blades can respectively receive water flow thrust forces at different angles, and convert the energy of the water flow into electric energy.
The top of the lower positioning cavity 15 is provided with a mounting hole, an annular magnet 17 is fixed in the mounting hole, the annular magnet 17 penetrates through the bottom of the central rod 10, the bottom end of the central rod 10 is axially positioned on the central rod 10 through a magnetic suspension piece 6, and no friction force is generated due to the fact that the bottom end of the central rod 10 is not in actual contact with the lower positioning cavity 15.
In the actual working process, the water flow pushes the fan blades 5 to move, and the fan blades 5 push the central rod 10 to move through the stop blocks 8 arranged on the central rod 10. Because the horizontal (i.e. radial) constraint of the center rod is realized by the annular magnet 4 and the annular magnet 17, and the vertical constraint is realized by the magnetic suspension piece 6, no actual contact exists, and therefore, the friction force of the center rod 10 during rotation is very small. The power generation module 13 is placed in the cavity 2 of the sealed upper positioning cavity 14, and the central rod 10 acts on the power generation device through the magnetic coupling coupler to convert kinetic energy into electric energy.
Referring to fig. 2, an assembled top view of the fan blade 5, the central rod 10, the upper positioning ring 9 and the lower positioning ring 12 is shown, when water flows in a certain direction , if the fan blade in the direction is blocked by the blocking block, the fan blade can push the central rod to rotate under the action of the water flow, if the fan blade is not blocked by the blocking block, the fan blade can be separated from the blocking block, the rotation resistance is reduced, and the limiting rod can limit the fan blade to rotate out of the range of the ring.
Referring to fig. 3 and 4, the working mode of each fan blade when water flows in a certain direction is described, in fig. 3, the fan blade No. 1 and the rotating direction form a positive direction, at the moment, the fan blade No. 1 pushes the central rod to rotate, the fan blades No. 2 and No. 3 are separated from the central rod through the pushing of the water flow, the reverse acting area of the water flow is reduced, after the fan blades No. 1 and No. 3 rotate clockwise for 60 degrees, referring to fig. 4, at the moment, the fan blades No. 1 and No. 3 are pushed to move through the blocking block to push the central rod through the action of the water flow, the reverse acting area of the water flow is reduced, and the fan blades No. 2.
The invention does not need high-speed water flow to drive power generation, and the rotor can be pushed to move by usual sea water flow; the device can be used in cooperation with a seabed detection device to supplement energy, so that the service life of the detection device is prolonged, and the detection range is widened.
Claims (10)
1, kind conventional sea area rivers drive power generation facility, including the main part support, its characterized in that still includes:
the power generation module is fixed on the main body bracket;
end is a central rod linked with the input end of the power generation module through a non-contact coupler;
the fan blade assembly is mutually fixed with the central rod and can drive the central rod to synchronously rotate;
the central rod is axially positioned relative to the main body support through a non-contact axial positioning piece, and is radially positioned relative to the main body support through a non-contact radial positioning piece.
2. The conventional sea water current driven power plant of claim 1, wherein said main body support comprises:
the mounting cavity is positioned at the top and used for mounting the power generation module;
the upper positioning cavity is fixed at the bottom of the mounting cavity;
a lower positioning cavity located at the bottom;
the positioning rod mutually fixes the upper positioning cavity and the lower positioning cavity;
the central rod is fixed between the upper positioning cavity and the lower positioning cavity through the non-contact axial positioning piece and the non-contact radial positioning piece.
3. The conventional sea water current driven power plant of claim 2, wherein: the non-contact radial positioning piece is an annular magnet I; the bottom of the upper positioning cavity is provided with a positioning hole, and the annular magnet I is fixed in the positioning hole; the top end of the center rod penetrates through the positioning hole and is linked with the input end of the power generation module through the non-contact coupler; the position of the central rod corresponding to the annular magnet I is a magnetic body.
4. The conventional sea water current driven power plant of claim 2, wherein: the non-contact radial positioning piece is an annular magnet II; the top of the lower positioning cavity is provided with a mounting hole, and the annular magnet II is fixed in the mounting hole; the bottom end of the central rod penetrates through the mounting hole and is positioned with the main body bracket through the non-contact axial positioning piece; the position of the central rod corresponding to the annular magnet II is a magnetic body.
5. The conventional sea water current driven power plant of claim 1 or 4, wherein: the non-contact axial positioning pieces are electromagnet pairs which are mutually exclusive and mutually separated.
6. The conventional sea water current driven power plant of claim 1, wherein said fan blade assembly comprises:
an upper positioning ring and a lower positioning ring which are same in size are coaxially arranged;
or more fan blades hinged between the upper positioning ring and the lower positioning ring;
and limiting parts for limiting two rotation limiting positions of the fan blade.
7. The conventional sea water current driven power generation device of claim 6, wherein the number of the fan blades is 2-5.
8. The conventional sea water flow driving power generation device of claim 6, wherein the width of the fan blades is equal to the radius of the upper positioning ring or the lower positioning ring, the limiting member comprises a limiting rod arranged on the upper positioning ring or/and the lower positioning ring to prevent the fan blades from rotating out of a space defined by the upper positioning ring and the lower positioning ring, and a blocking block arranged on the central rod, and the blocking block abuts against the side of the fan blade when the corresponding fan blade rotates to face the central rod.
9. The conventional sea current driven power plant of claim 8, wherein said center pole is rotated in a specific direction by said blocking block.
10. The conventional sea water current driven power plant of claim 1 wherein said non-contact coupling is a magnetic coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910930876.9A CN110735751A (en) | 2019-09-29 | 2019-09-29 | conventional sea area water flow driving power generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910930876.9A CN110735751A (en) | 2019-09-29 | 2019-09-29 | conventional sea area water flow driving power generation device |
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| CN110735751A true CN110735751A (en) | 2020-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910930876.9A Pending CN110735751A (en) | 2019-09-29 | 2019-09-29 | conventional sea area water flow driving power generation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858160A (en) * | 2022-07-05 | 2022-08-05 | 深圳市兆兴博拓科技股份有限公司 | Navigation positioning recorder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205281U (en) * | 1986-07-15 | 1987-01-21 | 王登钧 | Submersible electric generating device |
| CN201071780Y (en) * | 2007-05-18 | 2008-06-11 | 张志学 | Blade rotating type hydraulic turbine |
| CN101302997A (en) * | 2008-06-24 | 2008-11-12 | 山东大学 | Magnetic suspension paddle distance self-adjusting vertical shaft wind power generator |
| KR20100020283A (en) * | 2008-08-12 | 2010-02-22 | 이수원 | Variable wings rotation assembly and electric generation system for using the same |
| CN201821303U (en) * | 2010-07-05 | 2011-05-04 | 黄爱国 | Magnetic levitation freeze generator |
| CN202645821U (en) * | 2012-04-18 | 2013-01-02 | 余虹仪 | Vertical-shaft type flowing water generator |
| CN208605301U (en) * | 2018-07-26 | 2019-03-15 | 张志学 | A kind of flexible bow sail formula hydraulic turbine |
-
2019
- 2019-09-29 CN CN201910930876.9A patent/CN110735751A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205281U (en) * | 1986-07-15 | 1987-01-21 | 王登钧 | Submersible electric generating device |
| CN201071780Y (en) * | 2007-05-18 | 2008-06-11 | 张志学 | Blade rotating type hydraulic turbine |
| CN101302997A (en) * | 2008-06-24 | 2008-11-12 | 山东大学 | Magnetic suspension paddle distance self-adjusting vertical shaft wind power generator |
| KR20100020283A (en) * | 2008-08-12 | 2010-02-22 | 이수원 | Variable wings rotation assembly and electric generation system for using the same |
| CN201821303U (en) * | 2010-07-05 | 2011-05-04 | 黄爱国 | Magnetic levitation freeze generator |
| CN202645821U (en) * | 2012-04-18 | 2013-01-02 | 余虹仪 | Vertical-shaft type flowing water generator |
| CN208605301U (en) * | 2018-07-26 | 2019-03-15 | 张志学 | A kind of flexible bow sail formula hydraulic turbine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858160A (en) * | 2022-07-05 | 2022-08-05 | 深圳市兆兴博拓科技股份有限公司 | Navigation positioning recorder |
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Application publication date: 20200131 |