CN113187659B - Wind energy, wave energy and tidal current energy combined type power generation device - Google Patents
Wind energy, wave energy and tidal current energy combined type power generation device Download PDFInfo
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- CN113187659B CN113187659B CN202110466320.6A CN202110466320A CN113187659B CN 113187659 B CN113187659 B CN 113187659B CN 202110466320 A CN202110466320 A CN 202110466320A CN 113187659 B CN113187659 B CN 113187659B
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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
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
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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
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
- F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
- F03B13/1805—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem
- F03B13/181—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation
- F03B13/1815—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation with an up-and-down movement
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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
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/26—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using tide energy
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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
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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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
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention provides a wind energy, wave energy and tidal current energy combined type power generation device which comprises a power generation platform, wherein a wind energy capturing device, a tidal current energy capturing device, a wave energy capturing device and a secondary planetary gear speed increasing mechanism are arranged on the power generation platform, the wind energy capturing device, the tidal current energy capturing device and the wave energy capturing device are respectively used for capturing wind energy, tidal current energy and wave energy, the three devices are respectively connected with the secondary planetary gear speed increasing mechanism through energy in a gear transmission mode and used as input of different degrees of freedom, and the output end of the secondary planetary gear speed increasing mechanism is connected with power generation equipment.
Description
Technical Field
The invention belongs to the technical field of wind energy and ocean energy power generation, and particularly relates to a wind energy, wave energy and tidal current energy combined type power generation device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Ocean energy is a clean energy source attached to seawater. Ocean energy mainly comprises tidal energy, wave energy, temperature difference energy, ocean current energy and the like. China is currently in the primary stage of ocean energy power generation. The problems of improvement of comprehensive utilization rate of energy and stability of the device are not well solved, and the problems of low power generation efficiency, high manufacturing cost, difficult installation and high later maintenance cost of the device are caused by the complexity of the structure of the device and the limitation of the power generator, so that the problems of serious restriction on the development of ocean power generation are solved.
Renewable energy sources such as offshore wind energy, wave energy, tidal current energy and the like have large reserves and very high exploitation values, but because the output of the three kinds of energy is unstable, the cost for developing only one kind of energy is high, but the income is less. How to more reasonably utilize the above energy sources to perform compound power generation is a great problem in front of developers of offshore compound power generation devices.
Disclosure of Invention
The invention provides a wind energy, wave energy and tidal current energy combined type power generation device, which is based on wind energy, wave energy and tidal current energy, can realize the simultaneous input of three mechanical degrees of freedom and the output of one degree of freedom, and can supply power for a marine ranch.
According to some embodiments, the invention adopts the following technical scheme:
the utility model provides a wind energy, wave energy and trend can combined type power generation facility, includes power generation platform, last wind energy capture device, the trend can capture device, wave energy capture device and the second grade planetary gear acceleration rate mechanism of being provided with of power generation platform, wherein:
the wind energy capturing device, the tidal current energy capturing device and the wave energy capturing device are respectively used for capturing wind energy, tidal current energy and wave energy, the three devices are respectively connected with the secondary planetary gear speed increasing mechanism in a gear transmission mode through energy, the captured wind energy, wave energy or/and tidal current energy are compounded through the secondary planetary gear speed increasing mechanism and are input as different degrees of freedom, and the output end of the secondary planetary gear speed increasing mechanism is connected with power generation equipment.
According to the technical scheme, the energy captured by the capturing device for the wind energy, the tidal current energy and the wave energy is applied to the same generator in a gear transmission mode, so that the combined type power generation with various energies is realized, and of course, the power generation can be realized only by one motion input.
In an alternative embodiment, the wind energy capture device comprises a wind wheel, a speed increasing device and a steering device which are connected in a primary connection mode, the wind wheel is connected with the speed increasing device, the steering device is connected with the speed increasing device, and the speed increasing device is connected with a secondary planetary gear speed increasing mechanism.
As a further limitation, the wind wheel comprises a fan wing olive shell head and a plurality of fan wings arranged around the circumference of the fan wing olive shell head, the speed increasing device comprises a shell, a turbine speed increasing mechanism is arranged in the shell, the turbine speed increasing mechanism is connected with a bevel gear speed increasing reversing mechanism, the steering device comprises a tail rudder and a shell support, the shell support is connected to the shell, the bevel gear speed increasing reversing mechanism is connected with a secondary planetary gear speed increasing mechanism, and captured wind energy is reversed to be input as a first degree of freedom of the secondary planetary gear speed increasing mechanism.
As an alternative embodiment, the tidal current energy capture device comprises an impeller assembly, a circular telescopic fairing, a tail vane guiding device and a corresponding bevel gear speed-increasing reversing device, wherein the circular telescopic fairing is located below the power generation platform, the impeller assembly comprises a main shaft and a plurality of impellers arranged around the main shaft, the main shaft penetrates through a shell located behind the fairing, the tail vane guiding device comprises a tail vane and a shell support, the shell support is connected to the shell behind the fairing, the bevel gear speed-increasing reversing device comprises a pair of bevel gear speed-increasing reversing mechanisms, one end of the bevel gear speed-increasing reversing mechanism is connected to the shaft end of the main shaft, and the reversed bevel gear is used as the second degree of freedom input of the secondary planetary gear speed-increasing mechanism.
As an alternative embodiment, the wave energy capturing device comprises a frame, a spring device, a rack and pinion device, a gear speed increasing mechanism and a floating body, wherein the floating body is arranged at the lower end of the power generation platform, the frame is fixed at the upper end of the power generation platform, the floating body moves in a reciprocating manner under the action of waves, the rack and pinion device is connected to the upper end of the floating body, the reciprocating movement is converted into gear circular movement, the gear circular movement is transmitted to the secondary planetary gear speed increasing mechanism through the gear speed increasing mechanism and serves as third degree of freedom input, and the upper end of the rack and pinion device is connected with the frame through the spring device.
As a further limitation, the gear rack device comprises a vertical rack and two straight-tooth cylindrical outer gears, the gear speed increasing mechanism comprises an overrunning clutch, a flange device, two large cylindrical gears and a small cylindrical gear, the floating body reciprocates up and down together with the vertical rack under the action of waves, a straight-tooth cylindrical outer gear is respectively arranged on two sides of the vertical rack, a central shaft of the straight-tooth cylindrical outer gear is connected with the flange device through the overrunning clutch and then connected with a corresponding large cylindrical gear, the large cylindrical gear is meshed with the small cylindrical gear, the small cylindrical gear is connected with a third-degree-of-freedom input shaft and serves as a third-degree-of-freedom input of the secondary planetary gear speed increasing mechanism.
As an alternative embodiment, the vertical rack device reciprocates along with the floating body under the potential energy generated by waves, and the vertical reciprocating motion of the vertical rack can be converted into unidirectional motion under the action of the overrunning clutch in the gear speed increasing mechanism, so that the steering directions of the input shaft of the third degree of freedom are consistent all the time, and the speed increasing purpose is realized at the same time.
As an alternative embodiment, the two-stage planetary gear speed increasing mechanism comprises a first-stage planetary gear train and a second-stage planetary gear train, an input shaft of the first-stage planetary gear train is used as the first degree-of-freedom input source, an additional gear of the first-stage planetary gear train is meshed with a corresponding gear of the second degree-of-freedom input source, an additional gear of the second-stage planetary gear train is meshed with a corresponding gear of the third degree-of-freedom input source, and an output shaft of the second-stage planetary gear train is connected with the power generation equipment.
As a further limitation, the input shaft, the additional gears of different planetary gear trains and the output shaft do not interfere with each other.
By way of further limitation, the first-stage planetary gear train and the second-stage planetary gear train work simultaneously, and power of input sources with different degrees of freedom is superposed to be output to the power generation equipment.
By way of further limitation, at least one of the first-stage planetary gear train and the second-stage planetary gear train works to output the power generation equipment after the power of the corresponding freedom degree input source is superposed.
As a further limitation, wind energy, wave energy and tidal current energy are used as three input sources to enable three input shafts of the secondary planetary gear speed increasing mechanism to generate rotary motion, wherein one or two or three of the three rotary motions can be input by one motion, or three input motions can be input by three motions, namely three energies exist simultaneously, one or two energies can also be used when the other energy exists, the energy inputs of the three input shafts are not interfered with each other, and the motions are combined into one rotary motion after being overlapped.
The planetary mechanism can realize the speed increase of a plurality of input motions.
Compared with the prior art, the invention has the beneficial effects that:
1) according to the invention, through the arrangement of the integral mechanism, the energy captured by the capturing device of wind energy, tidal current energy and wave energy applies work to the same generator in a gear transmission mode, so that the combined type power generation of multiple energies is realized.
2) The invention can realize that the following steps are carried out by utilizing an overrunning clutch mechanism in the wave energy capturing device through the arrangement of an integral mechanism: when the rack reciprocates up and down along with the floating body under the action of waves, the steering output by the gear speed increasing mechanism is consistent all the time.
3) The two-stage planetary gear speed increasing mechanism capable of realizing multi-degree-of-freedom mechanical input is designed through the arrangement of the integral mechanism, all inputs are not interfered with each other, after the inputs are overlapped and subjected to two-stage speed increasing, the three-degree-of-freedom mechanical input can be theoretically realized, and the one-degree-of-freedom output speed increasing drives the generator to generate power.
4) The invention not only can use three energy sources of wind energy, tidal current energy and wave energy as three freedom degree mechanical input modes, the input source of the freedom degree can be freely selected according to the specific conditions of the local offshore environment, and proper energy sources are selected to carry out combined type power generation, namely, two wind energy capturing devices can be used as the first and second freedom degree input. The invention can be provided with a plurality of secondary planetary gear speed increasing mechanisms instead of three energy inputs, and the output shaft of one secondary planetary gear speed increasing mechanism is used as one input of the other secondary planetary gear speed increasing mechanism to realize a plurality of energy inputs. The mechanism of the invention can also change the transmission ratio by changing the number of teeth of the bevel gear, each transmission wheel, the planet wheel, the sun gear and the gear ring so as to achieve the target output power.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic diagram of the overall composition of a wind, wave and tidal current energy hybrid power generation device of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the wind energy, wave energy and tidal current energy combined power generation device of the invention;
FIG. 3 is a schematic view of another angle of the internal structure of the hybrid power generation device of the present invention;
FIG. 4 is a schematic view of the wave energy capturing device of the present invention;
FIG. 5 is a schematic structural view of a two-shaft assembly in the wave energy capturing device of the present invention
FIG. 6 is a schematic view of the overrunning clutch of the present invention;
fig. 7 is a schematic structural diagram of a tidal current energy capture device according to the present invention;
FIG. 8 is a schematic diagram of a three-input two-stage planetary speed-increasing gear train of the present invention;
in the figure, 1-wind energy capture device, 2-two-stage planetary gear speed increasing mechanism, 201-first stage planetary gear train ring gear power frame, 202-first stage planetary gear train planet carrier, 203-first stage planetary gear train sun gear, 204-first stage planetary gear train planet gear, 205-first stage planetary gear train inner gear ring gear, 206-second stage planetary gear train planet carrier, 207-second stage planetary gear train planet gear, 208-second stage planetary gear train ring gear power frame, 209-second stage planetary gear train inner gear ring gear, 210-second stage planetary gear train sun gear;
3-a power generation platform, 4-a tidal current energy capture device, 5-a floating body, 6-a wave energy capture device, 7-a power generator, 8-a wind wheel, 801-a wind wing, 802-a wind wing olive shell head, 9-a speed-raising device in the wind energy capture device, 10-a tail rudder guide device, 11-an output shaft of the wind energy capture device, 12-a bevel gear speed-increasing reversing device, 13-a circular telescopic guide cover, 14-an impeller combination, 15-a bevel gear speed-increasing reversing device, 16-a tail rudder guide device, 17-an output shaft of the tidal current energy capture device, 18-a bevel gear speed-increasing reversing device, 19-a rack, 20-a spring device, 21-a gear rack device, 211-a vertical rack, 212-two straight-tooth cylindrical external gears, 213-two straight-tooth cylindrical external gear shafts, 22-a gear speed increasing mechanism, 221-two large cylindrical gears, 222-small cylindrical gears, 223-two large cylindrical gear shafts, 23-a flange device, 231, 233-a flange plate, 232-a flange pad, 24-an overrunning clutch, 25-a first-degree-of-freedom input shaft, 26-a second-degree-of-freedom input shaft, 27, 28-an additional gear, 29-a third-degree-of-freedom input shaft, 30, 31-an additional gear and 32-a secondary planetary gear speed increasing mechanism output shaft.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only terms of relationships determined for convenience of describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any parts or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
As introduced in the background art, the prior art has the defects, and in order to solve the technical problems, the invention provides a wind energy, wave energy and tidal current energy combined type power generation device. The device converts wind energy, wave energy and tidal current energy into mechanical energy and then into electric energy, can realize three mechanical degrees of freedom input and one degree of freedom output, and carries out combined type power generation without interference among all devices.
In a typical embodiment of the invention, a wind energy, wave energy and tidal current energy combined type power generation device is provided, as shown in fig. 1, and comprises a wind energy capture device 1, a two-stage planetary gear speed increasing mechanism 2, a power generation platform 3, a tidal current energy capture device 4, a floating body 5, a wave energy capture device 6 and a generator 7.
Specifically, the wind energy capturing device 1, the secondary planetary gear speed increasing mechanism 2, the wave energy capturing device 6 and the generator 7 are all fixed above the power generation platform 3, the tidal current energy capturing device 4 is connected with the power generation platform 3 through a supporting rod, the floating body 5 is located below a vertical rack 211 of the wave energy capturing device 6 and connected with the vertical rack, and the power generation platform 3 is of a flat cylindrical structure, so that the arrangement stability of all devices is convenient to achieve.
As shown in fig. 2, the wind energy capturing device 1 is composed of a wind wheel 8, a speed increasing device 9, a steering device and the like, wherein the wind wheel comprises a wind wing olive shell head 802 and a wind wing, the speed increasing device comprises a shell, a turbine speed increasing mechanism and a pair of bevel gear speed increasing and reversing mechanisms, the steering device is composed of a tail rudder guiding device 10 and a shell support, the shell support is connected to the shell of the speed increasing device, and the wind energy capturing device is used as the first degree of freedom input of the secondary planetary gear speed increasing mechanism 2 after reversing.
The wind energy capture device 1 moves as follows: the tail vane guiding device 10 is used for guiding wind according to the wind direction, the wind force drives the wind wing 801 to rotate so as to further drive the olive shell head 802 of the wind wing to rotate, after the speed is increased through the speed increasing device 9 in the wind energy capturing device, power is automatically transmitted from the upper portion to the lower portion through the output shaft 11 of the wind energy capturing device, after the power is further increased in speed and reversed through the bevel gear speed increasing and reversing device 12, the power is transmitted to the first freedom degree input shaft 25 and serves as the first freedom degree input of the two-stage planetary gear speed increasing mechanism.
As shown in fig. 2 and 4, the wave energy capturing device 6 comprises a frame 19, a spring device 20, a rack and pinion device 21, a gear speed increasing mechanism 22 and a floating body 5. The frame 19 is fixed on the power generation platform 3, the spring device 20 is located the below of frame 19 top roof beam and links to each other with it, gear rack device 21 comprises vertical rack 211 and two straight-tooth cylinder external gears 212, vertical rack 211 is connected with spring device 20 and is located the below of frame 19 top roof beam, two straight-tooth cylinder external gears 212 are located the left and right sides of vertical rack 211 and mesh with it, gear speed increasing mechanism 22 comprises two big cylindrical gear 221 and small cylindrical gear 222, two big cylindrical gear 221 are located the left and right sides of small cylindrical gear 222 and mesh with it, small cylindrical gear passes through the key-type connection with third degree of freedom input shaft 29.
Further, as shown in fig. 5 and 6, the gear shafts 213 of the two spur cylindrical external gears and the two spur cylindrical external gears 212 are symmetrically distributed left and right with respect to the vertical rack 211 by key connection, the gear shafts 223 of the two large cylindrical gears and the two large cylindrical gears 221 are symmetrically distributed left and right relative to the small cylindrical gear 222 through key connection, the gear shafts 213 of the two straight cylindrical external gears are connected with the gear shafts 223 of the two large cylindrical gears through a flange device 23, the gear shafts 213 of the two straight-tooth cylindrical external gears are connected with the inner ring of the overrunning clutch 24 through keys, the outer ring of the overrunning clutch 24 is connected with the flange plate 233 through a key, the gear shafts 223 of the two cylindrical gears are connected with the flange plate 231 through a key, the flange 231 and the flange 233 are connected through bolts, and the flange pad 232 is disposed between the flange 231 and the flange 233 and plays a role of sealing.
The motion process of the wave energy capturing device 6 is as follows: the floating body 5 moves up and down under the action of potential energy generated by waves, so that the vertical rack 211 connected with the floating body 5 is driven to move up and down, and the spring device 20 can generate compression or rebound under the up and down movement of the floating body 5 to further assist the movement of the vertical rack 211.
In this embodiment, when the floating body 5 moves upward, the vertical rack 211 moves upward to drive the right side to rotate clockwise the right spur cylinder external gear 212 engaged therewith, so as to drive the gear shaft 213 of the right spur cylinder external gear to rotate clockwise, the inner ring of the overrunning clutch 24 is connected with the gear shaft 213 of the right spur cylinder external gear through a key, the overrunning clutch 24 is locked clockwise, i.e., the inner ring rotates to drive the outer ring to rotate, the outer ring of the overrunning clutch 24 is connected with the flange plate 233 through a key, so that the power is transmitted to the right large cylinder gear 221 through the flange device 23, the right large cylinder gear 221 rotates clockwise, the small cylinder gear 222 is engaged with the right large cylinder gear 221, the small cylinder gear 222 rotates counterclockwise, and the vertical rack 211 moves upward to drive the left spur cylinder external gear 212 to rotate counterclockwise at the same time, thereby the gear shaft 213 that drives left straight-tooth cylinder external gear does anticlockwise rotation, and freewheel clutch 24 can the free rotation at the anticlockwise, and the rotation of inner circle promptly can not drive the outer lane and rotate, and the inner circle is idle promptly, thereby the power that left straight-tooth cylinder external gear 212 produced can not pass to left side big cylindrical gear 221, small cylindrical gear 222 does the anticlockwise rotation under the power that right straight-tooth cylinder external gear 212 produced, and the big cylindrical gear 221 in left side with it meshing does clockwise rotation, thereby drives left big cylindrical gear's gear shaft 223 and does clockwise rotation, passes to freewheel clutch 24's outer lane through flange device 23, and clockwise rotation is done to the outer lane promptly, clockwise rotation is done to freewheel clutch 24's outer lane, and anticlockwise rotation is done to the inner circle, and the inner circle outer lane mutually noninterferes, but the free rotation.
Similarly, when the floating body 5 moves downwards, the vertical rack 211 moves downwards to drive the left side of the straight-tooth cylindrical external gear 212 engaged with the vertical rack to move clockwise, power is transmitted to the inner ring of the overrunning clutch 24 through the gear shaft 213 of the left straight-tooth cylindrical external gear, the overrunning clutch 24 is locked in the clockwise direction, namely, the inner ring rotates to drive the outer ring to rotate, so that the power is transmitted to the left large cylindrical gear 221 through the flange device 23, the left large cylindrical gear 221 rotates clockwise, the small cylindrical gear 222 is engaged with the left large cylindrical gear 221, the small cylindrical gear 222 rotates counterclockwise, the vertical rack 211 simultaneously drives the right straight-tooth cylindrical external gear 212 to rotate counterclockwise when moving, the power is transmitted to the inner ring of the overrunning clutch 24 through the gear shaft 213 of the right straight-tooth cylindrical external gear, and the overrunning clutch 24 can rotate freely in the counterclockwise direction, namely, the rotation of the inner ring cannot bring the outer ring to rotate, namely, the inner ring idles, the small cylindrical gear 222 rotates anticlockwise under the power generated by the left straight-tooth cylindrical outer gear 212, the right large cylindrical gear 221 meshed with the small cylindrical gear rotates clockwise, the power is transmitted to the outer ring of the overrunning clutch 24 through the flange device 23, namely, the outer ring rotates clockwise, the outer ring of the overrunning clutch 24 rotates clockwise, the inner ring rotates anticlockwise, and the outer ring of the inner ring does not interfere with each other.
At this time, when 1 up-down reciprocating motion is completed, the gear speed increasing mechanism 22 increases the speed and maintains the rotation direction of the small cylindrical gear 222 unchanged all the time, so that the rotation direction of the third degree-of-freedom input shaft 29 input to the secondary planetary gear speed increasing mechanism 2 is unchanged, and the process is circulated.
As shown in fig. 2 and 7, the tidal current energy capturing device 4 includes a circular telescopic fairing 13, an impeller assembly 14, a bevel gear speed-increasing and reversing device 15, a tail rudder guiding device 16, an output shaft 17 of the tidal current energy capturing device, and a bevel gear speed-increasing and reversing device 18.
When the circular telescopic air guide sleeve 13 works, under the convection action of the tail rudder guide device 16, the opening of the air guide sleeve is always towards the region with the most dense tidal current energy, when the tidal current passes through the circular telescopic air guide sleeve 13, the tidal current can flow to the small opening from the expanding opening to accelerate, so that the energy is transmitted to the impeller assembly 14, the impeller assembly rotates under the action of the tidal current energy, thereby driving the main shaft to rotate, one bevel gear of the bevel gear speed-increasing reversing device 15 is connected to the shaft end of the main shaft, the other bevel gear is connected to one end of an output shaft 17 of the tidal current energy capturing device, because the two bevel gears of the bevel gear speed-increasing reversing device 15 are meshed with each other, the power is transmitted to the output shaft 17 of the tidal current energy capturing device through the bevel gear speed-increasing reversing device 15, the reversing is completed while the speed is increased, and then the power is transmitted to the second degree-of-freedom input shaft 26 through the bevel gear speed-increasing reversing device 18, so that the power input direction is changed from the vertical direction to the horizontal direction while the speed is further increased.
As shown in fig. 3, the two-stage planetary gear speed increasing mechanism 2 includes a first-stage planetary gear train and a second-stage planetary gear train. Specifically, the power generated by the wind energy, the tidal current energy and the wave energy captured by the wind energy capture device 1, the tidal current energy capture device 4 and the wave energy capture device 6 is input into the two-stage planetary gear speed increasing mechanism 2 through the first degree-of-freedom input shaft 25, the second degree-of-freedom input shaft 26 and the third degree-of-freedom input shaft 29, respectively.
Further, as shown in fig. 8, the power generated by the wind energy capture device 1 is transmitted to the secondary planetary gear speed increasing mechanism 2 through the first degree of freedom input shaft 25 as a first degree of freedom input source, the first degree of freedom input shaft 25 and the first stage planetary gear train planetary gear 204 are connected through the first stage planetary gear train planet carrier 202, the 3 first stage planetary gear train planetary gear trains 204 are internally engaged with the first stage planetary gear train ring gear 205 and are distributed circumferentially, the first stage planetary gear train sun gear 203 is externally engaged with the first stage planetary gear train 204, the first stage planetary gear train planet carrier 202 drives the first stage planetary gear train 204 to rotate and revolve, the power generated by the wind energy capture device 4 is input through the second degree of freedom input shaft 26, the external gear 27 is connected with the second degree of freedom input shaft 26 through a tidal current key, the external gear 28 and the external gear 27 are externally engaged, so that power is accelerated by the pair of external gears and then transmitted into the secondary planetary gear speed increasing mechanism 2 to serve as a second-degree-of-freedom input source, the external gear 28 is connected with the first-stage planetary gear train ring gear power frame 201, the first-stage planetary gear train ring gear power frame 201 is connected with the first-stage planetary gear train ring gear 205 and drives the first-stage planetary gear train ring gear 205 to rotate, a cylindrical roller bearing is arranged between the first-stage planetary gear train ring gear power frame 201 and the first-degree-of-freedom input shaft 25, and therefore the two powers input by the first-degree-of-freedom input shaft 25 and the second-degree-of-freedom input shaft 26 do not interfere with each other, namely the steering directions of the two shafts are kept unchanged.
Specifically, assuming that the second-degree-of-freedom input shaft 26 has no power input, the ring gear 205 of the first-stage planetary gear train does not rotate, the first-stage planetary gear train becomes a planetary gear train, the rotation of the planet gear 204 of the first-stage planetary gear train is controlled only by the power input by the first-degree-of-freedom input shaft 25, and the power is transmitted to the sun gear 203 of the first-stage planetary gear train; assuming that the first-degree-of-freedom input shaft 25 and the second-degree-of-freedom input shaft 26 both have power input, the first-stage planetary gear train becomes a differential gear train, the first-stage planetary gear train ring gear 205 rotates, the relative rotation speed of the first-stage planetary gear train planet gear 204 relative to the first-stage planetary gear train ring gear 205 is increased, namely, the power input by the two shafts is superposed, and then the power is transmitted to the first-stage planetary gear train sun gear 203 through the first-stage planetary gear train planet gear 204.
Further, in the second-stage planetary gear train, the sun gear 203 of the first-stage planetary gear train is connected with the planet gear 207 of the second-stage planetary gear train through a planet carrier 206 of the second-stage planetary gear train, the 3 planet gears 207 of the second-stage planetary gear train are internally meshed with an annular gear 209 of the second-stage planetary gear train and are distributed according to the circumference, the sun gear 210 of the second-stage planetary gear train is externally meshed with the planet gear 207 of the second-stage planetary gear train, the planet carrier 206 of the second-stage planetary gear train drives the planet gear 207 of the second-stage planetary gear train to rotate and revolve, the power generated by the wave energy capturing device 6 is transmitted into the speed increasing mechanism 2 of the second-stage planetary gear train through the input shaft 29 of the third degree of freedom after being accelerated by the pair of externally meshed additional gears 30 and 31 to serve as the input source of the third degree of freedom, and the additional gear 31 is connected with the power carrier 208 of the planet gear train of the second-stage planetary gear train, the power frame 208 of the ring gear of the second-stage planetary gear train is connected with the ring gear 209 of the second-stage planetary gear train and drives the ring gear 209 of the second-stage planetary gear train to rotate, a cylindrical roller bearing is arranged between the power frame 208 of the ring gear of the second-stage planetary gear train and the output shaft 32 of the second-stage planetary gear speed increasing mechanism, and the sun gear 210 of the second-stage planetary gear train is connected with the output shaft 32 of the second-stage planetary gear speed increasing mechanism.
Specifically, after power is accelerated by the first-stage planetary gear train, the power is input into the second-stage planetary gear train from the first-stage planetary gear train sun gear 203, assuming that the third degree of freedom input shaft 29 has no power input, the ring gear 209 of the second-stage planetary gear train does not rotate, the second-stage planetary gear train is changed into a planetary gear train, the rotation of the second-stage planetary gear train planet gear 207 is controlled by the power output by the first-stage planetary gear train, that is, the power is driven by the first-stage planetary gear train sun gear 203, and then the power is transmitted into the second-stage planetary gear train sun gear 210 through the second-stage planetary gear train planet gear 207 and is transmitted into the generator 7 through the second-stage planetary gear speed increasing mechanism output shaft 32; assuming that the third degree of freedom input shaft 29 has power input, the second-stage planetary gear train becomes a differential gear train, the second-stage planetary gear train ring gear 209 rotates, the relative rotation speed of the second-stage planetary gear train planetary gear 207 relative to the second-stage planetary gear train ring gear 209 is increased, and then the output power is increased, and the power is transmitted to the generator 7 through the second-stage planetary gear train sun gear 210 and the second-stage planetary gear speed increasing mechanism output shaft 32.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (11)
1. The utility model provides a wind energy, wave energy and trend can combined type power generation facility which characterized by: including the electricity generation platform, be provided with wind energy capture device, trend energy capture device, wave energy capture device and second grade planetary gear acceleration mechanism on the electricity generation platform, wherein:
the wind energy capturing device, the tidal current energy capturing device and the wave energy capturing device are respectively used for capturing wind energy, tidal current energy and wave energy, the three devices are respectively connected with the secondary planetary gear speed increasing mechanism in a gear transmission mode, the captured wind energy, wave energy and tidal current energy are combined through the secondary planetary gear speed increasing mechanism and are input as different degrees of freedom, and the output end of the secondary planetary gear speed increasing mechanism is connected with power generation equipment;
the power generated by the wind energy capture device is transmitted to the secondary planetary gear speed increasing mechanism through the first degree of freedom input shaft to serve as a first degree of freedom input source, the first degree of freedom input shaft is connected with the first-stage planetary gear train planetary gear through the first-stage planetary gear train planet carrier, 3 first-stage planetary gear train planetary gears are internally meshed with the inner gear ring of the first-stage planetary gear train and are distributed circumferentially, and the sun gear of the first-stage planetary gear train is externally meshed with the first-stage planetary gear train;
the power generated by the tidal current energy capture device is input by a second-degree-of-freedom input shaft, an additional gear of the second-degree-of-freedom input shaft is connected with the second-degree-of-freedom input shaft through a key, an additional gear of the first-degree-of-freedom input shaft is externally meshed with an additional gear of the second-degree-of-freedom input shaft, so that the power is accelerated by a pair of externally meshed gears and then transmitted to a secondary planetary gear speed increasing mechanism to serve as a second-degree-of-freedom input source, the additional gear of the first-degree-of-freedom input shaft is connected with a first-stage planetary gear train power frame, and a cylindrical roller bearing is arranged between the first-degree-of-freedom input shaft and the first-degree-of-freedom input shaft;
the power generated by the wave energy capturing device is accelerated by the pair of externally meshed additional gears through the third-degree-of-freedom input shaft and then transmitted to the secondary planetary gear speed increasing mechanism to serve as a third-degree-of-freedom input source, the additional gears of the output shaft of the secondary planetary gear speed increasing mechanism are connected with the secondary planetary gear train gear ring power frame, a cylindrical roller bearing is arranged between the secondary planetary gear train gear ring power frame and the output shaft of the secondary planetary gear speed increasing mechanism, and the sun gear of the secondary planetary gear train is connected with the output shaft of the secondary planetary gear speed increasing mechanism;
the secondary planetary gear speed-increasing mechanism comprises a primary planetary gear train and a secondary planetary gear train, an input shaft of the primary planetary gear train is used as a first degree of freedom input source, an external gear of the primary planetary gear train is meshed with a corresponding gear of a second degree of freedom input source, an external gear of the secondary planetary gear train is meshed with a corresponding gear of a third degree of freedom input source, and an output shaft of the secondary planetary gear speed-increasing mechanism is connected with power generation equipment;
the wave energy capturing device comprises a rack, a spring device, a gear rack device, a gear speed increasing mechanism and a floating body, wherein the gear rack device comprises a vertical rack and two straight-tooth cylindrical outer gears, the gear speed increasing mechanism comprises an overrunning clutch, a flange device, two large cylindrical gears and a small cylindrical gear, and a central shaft of each straight-tooth cylindrical outer gear is connected with the flange device through the overrunning clutch.
2. The wind, wave and tidal current combined power generation device of claim 1, wherein: the input shaft, the additional gears of different planetary gear trains and the output shaft do not interfere with each other;
wind energy, wave energy and tide energy are used as three input sources to enable three input shafts of the secondary planetary gear speed increasing mechanism to generate rotary motion, only one motion input, or only two motion inputs, or three motion inputs are provided in the three rotary motions, the energy inputs of the three input shafts are not interfered with each other, and the motions are superposed to form a rotary motion.
3. The wind, wave and tidal current combined power generation device of claim 1, wherein: and at least one of the first-stage planetary gear train and the second-stage planetary gear train works, and the power of the corresponding freedom input source is superposed and then output to the power generation equipment.
4. The wind, wave and tidal current combined power generation device of claim 1, wherein: the first-stage planetary gear train and the second-stage planetary gear train work simultaneously, and power of input sources with different degrees of freedom is superposed and then output to the power generation equipment.
5. The wind, wave and tidal current combined power generation device of claim 1, wherein: two or more planetary mechanisms are connected in series for use, so that superposition of multiple motions is realized, namely an output shaft of one secondary planetary gear speed increasing mechanism is used as one input of the other secondary planetary gear speed increasing mechanism, and multi-energy input larger than three energy inputs is realized.
6. The wind, wave and tidal current combined power generation device of claim 1, wherein: each stage of planetary mechanism is used for realizing the speed increase of a plurality of input motions.
7. The wind, wave and tidal current combined type power generation device of claim 1, characterized in that: the wind energy capturing device comprises a wind wheel, a speed increasing device and a steering device which are connected at one time, the wind wheel is connected with the speed increasing device, the steering device is connected with the speed increasing device, and the speed increasing device is connected with a secondary planetary gear speed increasing mechanism;
the wind wheel comprises a fan wing olive shell head and a plurality of fan wings arranged around the circumference of the fan wing olive shell head, the speed increasing device comprises a shell, a speed increasing mechanism is arranged in the shell and connected with a bevel gear speed increasing and reversing mechanism, the steering device comprises a tail vane and a shell support, the shell support is connected to the shell, the bevel gear speed increasing and reversing mechanism is connected with a secondary planetary gear speed increasing mechanism, and captured wind energy is reversed to be input as the first degree of freedom of the secondary planetary gear speed increasing mechanism.
8. The wind, wave and tidal current combined power generation device of claim 1, wherein: the tidal current energy capturing device comprises an impeller assembly, a round telescopic guide cover, a tail vane guiding device and a corresponding bevel gear speed-increasing reversing device, wherein the round telescopic guide cover is located below the power generation platform, the impeller assembly comprises a main shaft and a plurality of impellers arranged around the main shaft, the main shaft penetrates through a shell located behind the guide cover, the tail vane guiding device comprises a tail vane and a shell support, the shell support is connected to the shell behind the guide cover, the bevel gear speed-increasing reversing device comprises a pair of bevel gear speed-increasing reversing mechanisms, one end of the bevel gear speed-increasing reversing device is connected to the shaft end of the main shaft, and the bevel gear speed-increasing reversing device is used as second degree-of-freedom input of the secondary planetary gear speed-increasing mechanism after reversing.
9. The wind, wave and tidal current combined power generation device of claim 1, wherein: the floating body is arranged at the lower end of the power generation platform, the rack is fixed at the upper end of the power generation platform, the floating body moves in a reciprocating mode under the action of waves, a gear rack device is connected to the upper end of the floating body, the reciprocating motion is converted into gear circular motion, the gear circular motion is transmitted to the secondary planetary gear speed increasing mechanism through the gear speed increasing mechanism and serves as third-degree-of-freedom input, and the upper end of the gear rack device is connected with the rack through a spring device.
10. The wind, wave and tidal current combined power generation device of claim 1, wherein: the floating body and the vertical rack do up-and-down reciprocating motion under the action of waves, straight-tooth cylindrical outer gears are arranged on two sides of the vertical rack respectively, a central shaft of each straight-tooth cylindrical outer gear is connected with the flange device through an overrunning clutch and then connected with the corresponding large cylindrical gear, the large cylindrical gear is meshed with the small cylindrical gear, and the small cylindrical gear is connected with the third-degree-of-freedom input shaft and serves as the third-degree-of-freedom input of the secondary planetary gear speed increasing mechanism.
11. The wind, wave and tidal current combined power generation device of claim 1, wherein: the vertical rack device reciprocates along with the floating body under the potential energy generated by waves, and the vertical reciprocating motion of the vertical rack is converted into unidirectional motion under the action of an overrunning clutch in the gear speed increasing mechanism, so that the steering of the input shaft of the third degree of freedom is consistent all the time, and the purpose of speed increasing is achieved.
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| US6247308B1 (en) * | 2000-04-17 | 2001-06-19 | Worldwide Solutions Company, Llc | Bidirectional rotary motion-converter, wave motors, and various other applications thereof |
| KR101015205B1 (en) * | 2006-05-30 | 2011-02-18 | 넥스탑 주식회사 | power generation system using wind force, tide, oceanic current, and wave-force |
| EP2077393A1 (en) * | 2008-01-03 | 2009-07-08 | Padraig Molloy | Planing power generator |
| CN101994779B (en) * | 2009-08-19 | 2014-03-26 | 贵州群建精密机械有限公司 | Full-floating planetary gear transmission mechanism |
| US9912209B2 (en) * | 2010-07-20 | 2018-03-06 | Differential Dynamics Corporation | Renewable energy marine hydrokinetic or wind turbine |
| JP5120738B1 (en) * | 2011-09-09 | 2013-01-16 | 清 小寺 | Wind power, wave power, tidal power combined generator |
| CN103148171B (en) * | 2013-03-14 | 2016-01-20 | 山东大学 | A kind of wind power speed-increasing gearbox two-stage planet power transmission arrangment |
| GB2518633B (en) * | 2013-09-26 | 2015-10-28 | Martin John Wickett | Energy production device and system |
| CN105291808B (en) * | 2014-06-04 | 2018-02-23 | 中山大学 | Hybrid power transmission integration system and its control method |
| CN104595096B (en) * | 2015-02-09 | 2017-02-22 | 上海海洋大学 | Wave energy, wind energy and tidal current energy combined power generating device |
| CN105257787B (en) * | 2015-10-26 | 2017-10-13 | 重庆望江工业有限公司 | Power dividing type gear box structure for Wind turbines |
| CN211259501U (en) * | 2019-12-11 | 2020-08-14 | 西安航天精密机电研究所 | Multi-speed-ratio compound output speed reducer |
| CN112145357A (en) * | 2020-10-27 | 2020-12-29 | 广东海洋大学 | Floating type coupling power generation system capable of simultaneously collecting wind energy and wave energy |
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