CN114278490A - Double-floating-body oscillating wave power generation device - Google Patents
Double-floating-body oscillating wave power generation device Download PDFInfo
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- CN114278490A CN114278490A CN202111085167.9A CN202111085167A CN114278490A CN 114278490 A CN114278490 A CN 114278490A CN 202111085167 A CN202111085167 A CN 202111085167A CN 114278490 A CN114278490 A CN 114278490A
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- 238000010248 power generation Methods 0.000 title claims abstract description 24
- 238000010521 absorption reaction Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 claims description 10
- 230000007797 corrosion Effects 0.000 claims description 8
- 238000005260 corrosion Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000005489 elastic deformation Effects 0.000 claims description 2
- 238000005188 flotation Methods 0.000 claims description 2
- 230000005571 horizontal transmission Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000004584 weight gain Effects 0.000 description 2
- 235000019786 weight gain Nutrition 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000013535 sea water Substances 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
Abstract
The invention discloses a double-floating-body oscillating type wave energy power generation device which comprises an energy absorption device and an energy conversion device, wherein the energy absorption device comprises a main body buoy, an energy absorption buoy, two control plates, a plurality of traction ropes and two fixing ropes; according to the invention, wave energy is converted into kinetic energy of the pendulum ball through the swinging of the main body buoy, then the kinetic energy is converted into electric energy through the generator, and meanwhile, the energy-absorbing buoy absorbs more wave energy and transmits the wave energy to the main body buoy, so that the power generation efficiency is greatly increased; the wave energy power generation device is simple in structure and low in manufacturing cost, and is suitable for vigorously developing wave energy power generation in coastal areas or deep sea areas.
Description
Technical Field
The invention relates to the field of research of wave energy power generation devices, in particular to a double-floating-body oscillating type wave energy power generation device.
Background
Wave energy power generation equipment appearing in the world at present can not satisfy the power consumption demand of life production yet, and only because the efficiency that current equipment absorbed wave energy and converted into electric energy is lower, some equipment submergence in the sea water completely, the technical degree of difficulty of realization is higher.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provides a double-floating-body swing type wave energy power generation device.
The purpose of the invention is mainly realized by the following technical scheme:
a double-floating-body swing type wave energy power generation device is composed of an energy absorption device and an energy conversion device, wherein the energy absorption device comprises a main body buoy, an energy absorption buoy, two control plates, a plurality of traction ropes and two fixing ropes; the main body buoy is a hollow and sealed cylinder, has waterproofness and corrosion resistance, cannot deform, and can bear wave impact, the bottom of the inside of the main body buoy is provided with a weight increasing body, the weight increasing body occupies part of space and is fixed with the main body buoy to be relatively static, other internal spaces of the main body buoy are completely filled with waterproof substances with lighter weight, and the circle centers of two sides of the main body buoy are provided with protruding shafts connected with the control plate; the energy-absorbing buoy is also a hollow and sealed cylinder, has waterproofness and corrosion resistance, can resist the impact of waves, is provided with a convex shaft connected with the control plate at the circle centers of two sides, the inner space of the energy-absorbing buoy is completely filled with a waterproof substance with lighter weight, the length of the energy-absorbing buoy is the same as that of the main buoy, and the radius of the energy-absorbing buoy is smaller than that of the main buoy; the length of the control plate is equal to the sum of the diameters of the main body buoy and the energy absorption buoy, one end of the control plate is provided with a circular hole, the other end of the control plate is provided with a strip-shaped hole, the circular hole is connected with the protruding shafts on the two sides of the main body buoy and is provided with an anti-falling cap, and the control plate can do circular motion around the protruding shafts on the two sides of the main body buoy but cannot fall off; the long strip-shaped hole is connected with the protruding shafts at the two ends of the energy-absorbing buoy and is additionally provided with the anti-falling cap, the energy-absorbing buoy can rotate in the long strip-shaped hole and can slide along the long strip-shaped hole without falling off, the distance from one end of the long strip-shaped hole to the circle center of one end of the main buoy is slightly larger than the sum of the radiuses of the main buoy and the energy-absorbing buoy, and the main buoy is kept not in contact with the energy-absorbing buoy; the other end of the strip-shaped hole extends to the tail end of the control plate as far as possible, so that the energy-absorbing buoy has enough movement distance; the two ends of the hauling rope are respectively fixed at the bottoms of the main body buoy and the energy-absorbing buoy, the hauling rope is a plurality of light soft ropes which are the same in length and cannot generate elastic deformation, the hauling rope has corrosion resistance, the lengths of the hauling rope meet the following condition, when the main body buoy and the energy-absorbing buoy are still in water, all the hauling ropes are distributed in parallel and are straightened and perpendicular to the main body buoy and the energy-absorbing buoy, and the quantity of the hauling ropes is as large as possible; the lower end of the fixing frame is a circular hoop which can be sleeved on the main buoy and fixed together without displacement, and the upper end of the fixing frame is arranged above the main buoy and opposite to the direction of the internal weight gaining body; the generators are respectively fixed at two ends above the fixing frame; the upper end of the fixing frame is provided with two triangular supports, the topmost end of each triangular support is provided with a transverse transmission shaft parallel to the main body buoy, the transverse transmission shaft is connected with the two triangular supports through two bearings and can rotate through the bearings, a hard rod is fixed in the middle of the transverse transmission shaft in the vertical direction and is fixed with a pendulum ball, and the pendulum ball can do circular motion by taking the circle center of the transverse transmission shaft as the circle center and drives the transverse transmission shaft to rotate together; the two ends of the transverse transmission shaft are provided with one-way belt pulleys, when the pendulum ball circularly moves clockwise, the one-way belt pulleys are not stressed and can rotate under stress, and the belt on the same side drives the generator to rotate to generate electricity; when the pendulum ball does the circular motion of anticlockwise, one-way belt pulley atress rotates to drive the generator through the belt of same side and rotate the electricity generation, the generator will do water repellent treatment, or install the buckler, mount, transverse transmission shaft, bearing, one-way belt pulley, belt, connecting plate will do corrosion-resistant treatment, fixed rope installs the both sides at the main part flotation pontoon.
Furthermore, the main buoy has enough buoyancy to bear the weight of all other parts except the energy-absorbing buoy, and at least half of the volume of the main buoy is guaranteed to float out of the water.
Furthermore, the size of the energy-absorbing buoy is required to be as large as possible on the premise of not hindering the swing of the swing ball, and more energy-absorbing devices can be additionally arranged on the protruding shafts at the two ends of the energy-absorbing buoy.
Further, the weight of the pendulum ball is sufficient to drive one of the generators to rotate when the pendulum ball swings, and the pendulum ball can be replaced by a pendulum or other shaped weight, and the pendulum ball does not touch other devices when swinging.
Furthermore, the fixing frame is firm enough, and the stress structure can be changed if necessary, so that the fixing frame can bear the impact generated when the pendulum ball swings.
Furthermore, the size of the one-way belt pulley is larger than that of a belt pulley on the generator, and when the generator rotates due to inertia, the one-way belt pulleys can also respectively rotate synchronously; the one-way belt pulley, the transmission belt and the generator belt pulley can be replaced by a one-way gear, a chain and a gear respectively.
Furthermore, the positions of the two fixed ropes are on the same horizontal line with the gravity center of the main body buoy, and the fixed ropes can fix the whole device in a certain water area; the generator has an output wire, and the electricity generated by the output wire is transmitted to the electricity utilization place through a cable.
Furthermore, the weight of the weight-increasing body is enough to keep the center of gravity of the main body buoy below, so that the device above can be timely restored to the original position when the device is inclined by the impact of waves.
Furthermore, the control plate is firm enough to control the energy-absorbing buoy to move only around the main buoy but not to move longitudinally parallel to the main buoy, and the energy-absorbing buoy can freely move in the elongated hole without being blocked.
The invention has the advantages that the energy-absorbing buoy can increase the collection of wave energy, the wave energy is transmitted to the main buoy through the traction rope, the main buoy obtains more kinetic energy, and according to the strength of waves in different sea areas, more energy-absorbing buoys can be added at two ends of the energy-absorbing buoy, so that the wave energy absorption efficiency is greatly improved.
Drawings
Fig. 1 is a perspective structural view of a double float oscillating wave power generation device of the present invention;
fig. 2 is a connection diagram of a traction rope between a main buoy and an energy-absorbing buoy in the oscillating type wave power generation device with the double buoys, wherein the energy-absorbing buoy is lifted when the water level rises;
fig. 3 is a perspective view of a weighted body inside a main body pontoon in the double-floater oscillating wave power generation device of the present invention;
fig. 4 is three phase diagrams of the double-float oscillating wave power generation device of the invention when working in waves;
the embodiments of the invention will be further described with reference to the accompanying drawings in which:
the invention utilizes the characteristic that the floating body swings left and right in the waves, and the positions and the relations of all parts in the invention are shown in figures 1, 2 and 3; fig. 4 shows the variation of the invention between three phases. The topmost phase is that the invention is in the still water, the weight gain body in the main body pontoon is below, the pendulum ball above is right above the main body pontoon, the horizontal line 16 represents the water line; the middle phase is that when the water line is suddenly raised, the main buoy can absorb wave energy and tilt leftwards, and the energy-absorbing buoy on the right side can also absorb the wave energy, because the weight is lighter, the wave energy can be raised at a higher speed, so that certain kinetic energy is transmitted to the main buoy through the hauling rope, the main buoy generates more deflection force, the inclination angle of the main buoy is larger, and the inclination speed is higher; in the process of inclining to the left, the swing ball and the connecting rod keep the previous phases thereof due to gravity, namely, the swing ball and the connecting rod are vertical to the water surface, at the moment, the transverse transmission shaft can rotate relative to the main body buoy, one of the one-way belt pulleys can rotate along with the transverse transmission shaft, and at the moment, the one-way belt pulley drives the generator to generate electricity through the belt; the phase at the lowest end is that when the water line 16 suddenly drops, the inclination of the main body buoy reaches the maximum angle, at the moment, the weight gain body can restore the phase one of the inclined main body buoy, but the main body buoy can continuously incline rightwards due to the inertia effect, at the moment, the energy-absorbing buoy already drops to the lowest position, the energy-absorbing buoy can prevent the main body buoy from continuously inclining rightwards through a traction rope, all kinetic energy can be transmitted to a pendulum ball, the pendulum ball can continuously swing rightwards, the transverse transmission shaft drives another one-way belt pulley to rotate, and the belt drives another generator to generate electricity; in continuous waves, the invention can repeat the change of the three phases, thereby generating continuous electric power. The energy-absorbing buoy not only can absorb more wave energy, but also can disturb the movement consistency of the pendulum ball and the main buoy, so that the swinging energy of the main buoy is converted into the kinetic energy of the pendulum ball to the maximum extent, and the electric energy production efficiency is improved.
Claims (9)
1. A double-floating-body swing type wave energy power generation device is composed of an energy absorption device and an energy conversion device, wherein the energy absorption device comprises a main buoy (1), an energy absorption buoy (2), two control plates (3), a plurality of traction ropes (4) and two fixing ropes (5), and the energy conversion device comprises a fixing frame (6), a swinging ball (7), a transverse transmission shaft (8), two bearings (9), one-way belt pulleys (10 and 11), two transmission belts (12) and generators (13 and 14); the main body buoy (1) is a hollow and sealed cylinder, has waterproofness and corrosion resistance, cannot deform, and can bear wave impact, the bottom of the inside of the main body buoy is provided with a weight increasing body (15), the weight increasing body (15) occupies part of space and is fixed with the main body buoy (1) to be relatively static, other internal spaces of the main body buoy (1) are completely filled with waterproof substances with lighter weight, and the circle centers of the two sides of the main body buoy are provided with protruding shafts connected with the control panel (3); the energy-absorbing buoy (2) is also a hollow and sealed cylinder, has waterproofness and corrosion resistance, can resist the impact of waves, is provided with a convex shaft connected with the control plate (3) at the circle centers of two sides, the inner space of the energy-absorbing buoy is completely filled with a waterproof substance with lighter weight, the length of the energy-absorbing buoy (2) is the same as that of the main buoy (1), and the radius of the energy-absorbing buoy is smaller than that of the main buoy (1); the length of the control plate (3) is equal to the sum of the diameters of the main body buoy (1) and the energy absorption buoy (2), one end of the control plate (3) is provided with a circular hole, the other end of the control plate is provided with a strip-shaped hole, the circular hole is connected with the protruding shafts on the two sides of the main body buoy (1) and provided with an anti-falling cap, and the control plate (3) can do circular motion around the protruding shafts on the two sides of the main body buoy (1) but cannot fall off; the long strip-shaped hole is connected with the protruding shafts at the two ends of the energy-absorbing buoy (2) and is additionally provided with the anti-falling cap, the energy-absorbing buoy (2) can rotate in the long strip-shaped hole and can slide along the long strip-shaped hole without falling off, the distance from one end of the long strip-shaped hole to the circle center of one end of the main buoy (1) is slightly larger than the sum of the radiuses of the main buoy (1) and the energy-absorbing buoy (2), and the main buoy (1) is kept not in contact with the energy-absorbing buoy (2); the other end of the strip-shaped hole extends to the tail end of the control plate (3) as far as possible, so that the energy-absorbing buoy (2) has enough movement distance; the two ends of the hauling ropes (4) are respectively fixed at the bottoms of the main body buoy (1) and the energy-absorbing buoy (2), the hauling ropes (4) are a plurality of light soft ropes which are the same in length and cannot generate elastic deformation, the light soft ropes have corrosion resistance, the length of the hauling ropes meets the following condition, when the main body buoy (1) and the energy-absorbing buoy (2) are static in water, all the hauling ropes (4) are distributed in parallel and straightened and are perpendicular to the main body buoy (1) and the energy-absorbing buoy (2), and the quantity of the hauling ropes (4) is as large as possible; the lower end of the fixing frame (6) is a circular hoop which can be sleeved on the main buoy (1) and fixed together without displacement, and the upper end of the fixing frame (6) is arranged above the main buoy (1) and is opposite to the direction of the weight increasing body (15) inside; the generators (13, 14) are respectively fixed at two ends above the fixed frame (6); the upper end of the fixing frame (6) is provided with two triangular supports, the topmost end of each triangular support is provided with a transverse transmission shaft (8) parallel to the main buoy (1), the transverse transmission shaft (8) is connected with the two triangular supports through two bearings (9), the transverse transmission shaft (8) can rotate through the bearings (9), a hard rod is fixed in the middle of the transverse transmission shaft (8) in the vertical direction and fixed with a swing ball (7), and the swing ball (7) can do circular motion with the circle center of the transverse transmission shaft (8) as the circle center and drive the transverse transmission shaft (8) to rotate together; the two ends of the transverse transmission shaft (8) are provided with one-way belt pulleys (10, 11), when the pendulum ball (7) makes clockwise circular motion, the one-way belt pulley (11) is not stressed, the one-way belt pulley (10) can be stressed to rotate, and the belt (12) on the same side drives the generator (13) to rotate to generate electricity; when pendulum ball (7) do anticlockwise circular motion, one-way belt pulley (10) do not receive the force, one-way belt pulley (11) atress is rotated, and drive generator (14) through belt (12) with one side and rotate the electricity generation, waterproof processing will be done to generator (13, 14), or the installation buckler, mount (6), horizontal transmission shaft (8), bearing (9), one-way belt pulley (10, 11), belt (12), corrosion-resistant processing will be done to connecting plate (3), fixed rope (5) are installed in the both sides of main part flotation pontoon (1).
2. The double-float oscillating wave energy power generation device according to claim 1, characterized in that: the main buoy (1) has enough buoyancy and can bear the weight of all other parts except the energy-absorbing buoy (2), and at least half of the volume of the main buoy is guaranteed to float out of the water.
3. The double-float oscillating wave energy power generation device according to claim 1, characterized in that: the size of the energy-absorbing buoy (2) is as large as possible on the premise of not obstructing the swing of the swing ball (7), and more energy-absorbing devices can be additionally arranged on the protruding shafts at the two ends of the energy-absorbing buoy.
4. The double-float oscillating wave energy power generation device according to claim 1, characterized in that: the weight of the pendulum ball (7) is enough to drive one of the generators (13, 14) to rotate when the pendulum ball swings, the pendulum ball (7) can be replaced by a pendulum or a heavy object with other shapes, and the pendulum ball (7) does not touch other devices when swinging.
5. The double-float oscillating wave energy power generation device according to claim 1, characterized in that: the fixing frame (6) is firm enough, and the stress structure can be changed if necessary, so that the fixing frame can bear the impact generated when the swinging ball (7) swings.
6. The double-float oscillating wave energy power generation device according to claim 1, characterized in that: the size of the one-way belt pulleys (10, 11) is larger than that of the belt pulleys on the generators (13, 14), and when the generators (13, 14) rotate due to inertia, the one-way belt pulleys (10, 11) also rotate synchronously; the one-way pulleys (10, 11), the drive belt (12), and the generator pulley can be replaced by a one-way gear, a chain, and a gear, respectively.
7. The double-float oscillating wave energy power generation device according to claim 1, characterized in that: the positions of the two fixed ropes (5) are on the same horizontal line with the gravity center of the main buoy (1), and the fixed ropes (5) can fix the whole device in a certain water area; the generators (12, 13) have output wires, and the generated electricity is transmitted to the electricity utilization place through cables.
8. The double-float oscillating wave energy power generation device according to claim 1, characterized in that: the weight of the weight-increasing body (15) is enough to keep the center of gravity of the main buoy (1) below, so that the device above can be timely restored to the original position when the device is inclined by the impact of waves.
9. The double-float oscillating wave energy power generation device according to claim 1, characterized in that: the control plate (3) is firm enough to control the energy-absorbing buoy (2) to move only around the main buoy (1) but not to move in the longitudinal direction parallel to the main buoy (1), and the energy-absorbing buoy (2) can move freely in the elongated hole without being blocked.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111085167.9A CN114278490A (en) | 2021-09-11 | 2021-09-11 | Double-floating-body oscillating wave power generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111085167.9A CN114278490A (en) | 2021-09-11 | 2021-09-11 | Double-floating-body oscillating wave power generation device |
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| Publication Number | Publication Date |
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| CN114278490A true CN114278490A (en) | 2022-04-05 |
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|---|---|---|---|
| CN202111085167.9A Pending CN114278490A (en) | 2021-09-11 | 2021-09-11 | Double-floating-body oscillating wave power generation device |
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| CN (1) | CN114278490A (en) |
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- 2021-09-11 CN CN202111085167.9A patent/CN114278490A/en active Pending
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