Wave energy converter

FIELD: power engineering.

SUBSTANCE: invention is designed for conversion of wave energy into electric energy. Proposed converter contains mechanically coupled fixed post, float chambers, frame, shaft, step-up gear and electric generator. Moreover, converter additionally contains relatively interacting second shaft, first and second gears and at least two motion converters. First and second gears are fixed on corresponding shafts and engage with each other. Each motion converter has vertical rod installed for vertical vibration on upper end of which first block is installed, and on lower end, third sprocket engaging with first and second float chambers. First and second overrunning clutches with sprockets are installed on shafts and they engage through first and second chains with third sprocket.

EFFECT: increased efficiency.

8 cl, 7 dwg

 

The invention relates to the field of renewable energy sources, namely, wave energy, and convert it to other uses, mainly in electric.

Known Wave power plant" (Petryakov L.A. "Wave power plant". RF patent №2227844 C2, 7 F03B 13/18, 13/22, and the Russian Federation, 2004, No. 12 (III) str)containing Anoprienko, gutter, working body with blades connected to a generator, in which the working body in the form of three impellers with blades, able to rise above the gutter. Thus wholeplant equipped with underwater trench on the supports, made in the form of jacks. With the help of jacks plate breakwater is able to change the depth of the dive. The disadvantages of the known wave power plant can be attributed to the low efficiency associated with the fact that it only converts the kinetic energy of the waves, as well as the complexity of the design of the facility.

Also known energy Converter wind and waves (Aliyev A.S., Aliyev B.Z. "energy Converter wind and waves". RF patent №2254494 from 10.09.2003,, F03D 5/04), which can be specified as the closest analogue of the invention (prototype).

The prototype contains associated with levers rotating platform. On each platform installed blades (sail) and kinematically associated transducer movement and site changes Orient the AI and fixing the position of the blade. The last set in the center of the transducer and interact with all the blades and the vane installed in the center of the Converter.

The platform is designed in the form of sealed chambers streamlined shape, which has a flat blade and associated motionless stars, with the possibility of free rotation around the vertical racks. This sprocket through the chain and cables kinematically associated with the corresponding segment of the stars.

The disadvantage of the prototype, you can specify the structural complexity of the Converter, and that the power Converter does not respond to angular oscillation of the sealed chambers on the waves in pitch.

The technical goal is to significantly increase the capacity and efficiency of the Converter due to the simultaneous use of energy translational (kinetic energy) and transverse motion (potential energy) waves as well as energy angular oscillations (potential energy) of sealed chambers on the waves.

This technical problem is solved by creating a fundamentally new design of the energy Converter wave, which contains a fixed rack and frame, on which the first and second shafts. Each shaft has appropriate gear that interacts with the first and second converted what aalami motion and the shaft, connected through the multiplier to the generator. Each transducer movement will keep the first and second vertical rods installed with the possibility of longitudinal vertical oscillations. On the upper ends of the rods are installed first blocks, and the lower the corresponding first and second float chamber. In addition, each transducer movement contains a lever connecting the first and second float chamber with each other, rigidly associated with the blade and a third star, which through the first and second cables and circuit communicates with the first and second stars that are installed on the respective overrunning clutches. On the first shaft of the Converter still has the flywheel.

In the second variant design energy Converter wave of the second shaft through the second and third pair of bevel gears interacts with General output (third) shaft, to which may be connected in parallel with an identical wave energy Converter in a large number. To the output shaft via the multiplier is connected to the generator.

In addition, in the second embodiment of the energy Converter wave transducer movement contains overrunning clutch group III, the hub through which the first pair of conical gears connected with the third star, the yoke - lever, and the fork blade, wsimages is concerned with the first spring. The third star through a third circuit communicates with the first, second and fourth stars.

As one common output shaft is transmitted to the energy of a large number of parallel power converters (figure 4 - 7), this leads to a significant increase of the power Converter, as well as to increase the synchronous rotation of the output shaft.

The total power at the output shaft of the Converter is determined by the capacity of a single node of the inverter movement, as well as their number, which is set of economic feasibility. Similar nodes of the Converter when their mass production will significantly reduce the cost and shorten the payback period of the energy Converter waves in General.

The design of the energy Converter wave is shown in Fig.1-7. Figure 1 shows the design of the first version of the Converter wave energy, where:

1 is a vertical hour;

2 - ring resistant;

3 - bracket;

4 is a rectangular frame;

5 - rod guide;

6, 7, the first and second rods;

8, 9, the first and second shafts;

10, 11 - the first, the second overrunning clutch;

12, 13, the first and second star;

14 - first chain;

15 - the first rope;

16 - the first block;

17, 18, the first and second gears;

19 - flywheel;

20, 21, the first and second float chamber;

22 - the water level;

23 - lever;

24 - the third star;

25 - the second circuit;

26 - the second rope;

27 - blocks;

28 - brackets;

29 - vane;

30 - the first spring;

31 - emphasis;

λ - the average length of the waves of the sea;

32 - stand;

33 - multiplier;

34 - generator;

35 - the axis of rotation of the blades;

36, 37 the third and fourth overrunning clutch;

38, 39, 40 fourth, fifth and sixth stars.

Figure 2 presents the type And the energy Converter of figure 1, where the positions 1-40 are the same as in figure 1

3 shows the kinematic diagram of the chain (14, 25) and the cable (15, 26) of the connection between the first 12 and second 13 and third 24 stars, where the cables 15, 26 spanning the first block 16 and the blocks 27.

Figure 4 presents the design of the second version of the power Converter, where the positions 1-40 are the same as in figure 1-3;

41, 44-the seventh, eighth, ninth and tenth star;

45, 46 of the third and fourth closed circuits;

47, 48, 49, 50, the first and second pair of bevel gears;

51, 52 is the third pair of bevel gears;

53, 54 - fourth pair of bevel gears;

55 - common (third) of the output shaft.

Figure 5 presents the view In the design of the second version of the wave motor, in which the positions 1-55 are the same as in figure 4;

56 - flange;

57 - ring;

58 - jumper;

Figure 6 presents the design of the third variant of Preobrazovatel the wave energy, where position 41-58 same as figure 5,

59, 60 to the fifth and sixth overrunning clutch.

61 - fifth closed circuit;

62 - the sixth straight chain;

63, 64 - eleventh, twelfth star;

65 is a waterwheel;

66 - guiding strip.

Figure 7 presents the view From in Fig.6, where the position 2-66 are the same as in Fig.6;

67-69 ninth, tenth and eleventh overrunning clutch;

70 - second flange;

71-72 - the second and third rings;

73 - ninth bevel gear;

74 - second waterwheel;

75 - the axis of rotation of the blades.

The principle of operation of the first version of the Converter wave energy, the design of which is presented in figure 1 and figure 2, is as follows.

Vertical stand 1 is mounted stationary in the sea near the shore. The rack has two retainer rings 2. The rectangular frame 4 upon which is mounted the transducer, by means of brackets 3 pivotally mounted on the retaining rings with the possibility of free rotation around the stand 1. This is necessary in case of change of the direction of the wind and the waves.

In the direction of wave motion on the frame 4 vertically installed the first 6 and second 7 rods. The number of such rods can be more than two (three, four etc). The rods 6, 7 are free translational motion in the vertical direction.

At the lower end of each rod set pair GE float is maticnih cameras 20, 21, connected to each other by the lever 23. On the axis of rotation of the first float chamber set, the third star 24 fixedly connected with the lever 23.

At the upper end of each rod has a first block 16, through which spanned the first cable 15. This cable connects the ends of the first 14 and second 25 chains to each other. While the other ends of these chains are connected through a second cable 26.

The cables 15 and 26 spanning the first block 16 and the blocks 27 according to the kinematic diagram presented on figure 3. The rotation of the third sprocket 24 connected with the float chambers 20, 21, through a chain link goes to the first 12 and second 13 stars.

These stars are set using the first 10 and second overrunning clutches on the respective shafts 8 and 9. This overrunning clutch is set so that when moving the first circuit 14 up, the first 9 (upper) shaft rotates clockwise, and when the movement of the chain down - 8 second (lower) shaft rotates in the opposite direction (see figure 2). At the top of the overrunning clutch 10 allows free rotation of the first stars 12 around the shaft 8. Thus, the first ascent of the float chamber 20 up leads to rotation of the upper shaft and lower the camera to the rotation of the bottom. On each shaft 8 and 9 still installed the respective gears 17 and 18 included in the clutch with each other.

Sledstvieto, that the length of the lever 23, connecting the first and second float chamber with each other, equal λ/2, the arm performs an oscillatory motion with a deviation from the horizontal position at an angle of α/2.

This oscillation of the lever 23 is transmitted to still associated with it a third star 24. To transfer this angle oscillations of a single plane, which goes through the wave, in mutually perpendicular, in which rotate the first, second and third stars, in the first embodiment (Fig 1, Fig 3) Converter uses a rope thrown across blocks. In the second case (see figure 4 and figure 5) is used for this purpose a second pair of bevel gears 49, 50.

In the first embodiment, the conversion coefficient of the angular fluctuationsin linear ±Δl depends on the number of teeth of the third starwhere m is the module.

For standard one-piece transmission m is equal to 12.7 mm For the second variant of the energy Converter linear oscillation circuit can be increased n times, where n is equal to the gear ratio of the second pair of conical. To use the energy of the longitudinal motion of the waves on the axis of rotation of the third star 24 set the blade 29. The blade has a flat or parabolic shape. The blade is still associated with the third star. By means of a spring blade 30 is mounted vertically in the position.

Under pressure waves the blade and its associated third star revolve around the axis of the hinge mounting. Thus the spring 30, twisting, gaining energy.

The blade is set so as to select the maximum kinetic energy of the longitudinal motion of oncoming waves. In the first embodiment of the energy Converter, the blade is placed over the lever. As the distance between the pontoons iswhen the pontoons are located on the same horizontal on opposite sides of the crest of a wave, it exerts maximum pressure on the blade.

For this purpose the attachment of the blade can be lowered relative to the float chambers (pontoons), or a lever to secure to the grounds of the pontoons. The lever when it is rotated an additional angle Δα2.

After the departure of the waves under the influence of the stored energy of the spring blade is returned to a neutral upright position, the rotating force third star back on the corner -Δα. The same forced return of the blade and lever in the neutral position can provide another spring that stores energy when the deviation of the blade from the horizontal clockwise (when immersing the first chamber relative to the second).so, in the first embodiment design of Preobrazovatel the energy all kinds of movement are relatively neutral points. This allows you to replace the chain on the cable on the parts of the kinematic chain of communication (see figure 3), where the chain does not interact with the stars.

Bevel gears 51, 52, 53, 54, which transmit rotation from the first shaft 8 in General (third) of the shaft 55, allows, within certain limits, 90° to change the angular position of the frame 4 relative to the rack 1.

The output shaft 56 is common to parallel converters installed along the coast.

This parallel connection of a large number of energy converters allows you to summarize their torques and to get more power on a common output shaft, as well as to synchronize the speed of its rotation.

To synchronize the rotation speed of the output shaft can be installed more massive flywheel and used classical synchronization system using a centrifugal speed control [3].

In the second embodiment of the energy Converter to transfer angular oscillation of the lever 23 from one plane to another, mutually perpendicular first, use a pair of conical gears 49, 50. Selecting the gear ratio pair of conical gears, as well as by varying the ratio between the numbers of teeth of the third (Z3and the first, second (Z1, Z2) stars, it is possible to create the necessary moment of rotation is placed on the output shaft.

In the second embodiment, on the upper end of the rod instead of the first block is set to the fourth star 47.

The diameter and number of teeth of the fourth and fifth stars should be the same and larger than the corresponding parameters of the first and second stars. In addition, the horizontal displacement of the rod from the axis of rotation of the first and second stars should be such to ensure reliable coupling circuit 45 with all four stars, 12, 13, 41, 42. On the other hand (front) (see figure 4) closed circuit not kontaktirajte with the first 12 and second 13 stars that are installed on the respective overrunning clutches 10, 11.

Since all four stars are in the same plane, the kinematic scheme of the chain of communication between them is tamed compared to the first option (see figure 3).

In the second variant of the design of the transducer lever 23 and the blade 29 is connected with a tapered pair of gears through a third overrunning clutch 59. This clutch performance III, group III [4]. These couplings transmit slow and rapid rotation in two directions.

They can be obtained by installing two couplings with powered plug (execution III) so that the teeth of the hub were sent in different directions.

Powered fork clutch 59 is connected with the blade and can inform the hub of the accelerated rotation in both directions, pushing the rollers of one link coupling and rasklinila videos, etc is Gogo link, carrying this links for themselves.

Linear vertical movement of the chain 46where Rdis the radius of the third star. Thus, the angular oscillation of the lever 23 ±Δα equivalent to changing the height of the waves on ±Δl.

In the second embodiment of the energy Converter when the rods are attached to the centers of the first pontoons 20, the blades are installed from the bottom relative to their axes of rotation. Thus, when the first pontoon will be on the top of a wave crest on the blade is the maximum pressure from longitudinal motion of the wave. The vertical direction of the bias circuit 46 will remain in the transmission of rotation from the rotor blades 29 to the star 44 through the first pair of bevel gears 49, 50.

For the most efficient conversion of the kinetic energy of the longitudinal motion of the waves on the rod is mounted water wheel with four blades, shifted relative to each other by 90°. The number of blades can be more than four. Because the axis of rotation of the water wheel located above sea level, dopaste in turn come in a counter-flow of the waves. Under pressure waves blades rotate around an axis that rotates the output shaft through the overrunning clutch, bevel gear and kinematically associated chain and sprocket.

For optimal energy conversion volume is s the first and second buoyancy chambers should be equal to each other and thus should be immersed to half volume under its own weight, the weight of the rod and hung on him design elements of the Converter. The second weight of the float chamber should be equal to half the weight of the displaced volume of sea water.

In this case, the torques generated by the first and second stars, will be equal as when lifting and lowering the first circuit 14, the circuits 45 and 46 of the or circuit 62.

The principle of operation of the third variant of the energy Converter wave (6) differs from the second version (figure 4 and figure 5) increased efficiency through the use of moments of impact on the output shaft of additional forces.

This goal is achieved by introducing an additional direct chain in each of the two converters movement.

When using one chain the impact of different types of movement on the chain (see figure 4 and figure 5) may be out of phase. Moments of their impact on the circuit have opposite signs and cancel each other. For example, the rise of the float causes rotation of the chain in a clockwise direction, and the oscillation of the lever or blade - counterclockwise.

The principle of operation of the third variant of the Converter wave energy, the design of which is presented in Fig.6 and Fig.7, is as follows.

On the rack 1 has two retainer rings 2. A rectangular frame 4 upon which is mounted the transducer, by means of brackets 3 Sha is Nino is installed on the retaining rings with the possibility of free rotation around the stand 1, similar to the first and second option. This is necessary in case of change of the direction of the wind and the waves.

In the direction of wave motion on the frame 4 vertically installed the first 6 and second 7 rods. The number of such rods may be more than two (three, four etc). Rods 6,7 have the opportunity of free translational motion in the vertical direction.

Under the influence of waves on underwater part of the Converter, i.e. the float chamber, they are set along the direction of the waves.

Bevel gears 51, 52, 53, 54, which transmit rotation from the first shaft 8 on the common output shaft 55, which connects the multiplier and generator, allows you to change the angular position of the frame relative to the direction of wave within ±90°. When the output shaft 55 is common to parallel converters installed along the coast. This parallel connection of a large number of energy converters allows you to get more power on a common output shaft, and synchronizes the speed of its rotation.

To synchronize the speed of rotation on a common output shaft 55 may be mounted a massive flywheel, and used classical synchronization system using a centrifugal speed control [Aliyev AS the energy Converter fluid, patent P is No. 2253039 of 07.04.2005]In the third embodiment of the energy Converter to transfer angular oscillation of the lever 23 from one plane to another mutually perpendicular first, use a pair of conical gears 49, 50. Selecting the gear ratio of bevel pair by varying the ratio between the numbers of teeth of the eighth (Z8) 42 and the first, second (Z1, Z2) 12, 13 stars, perhaps to create the necessary torque to the output shaft. In the third embodiment, on the upper end of the rod 6 instead of the first unit 16 is installed ninth star 43.

The diameter and number of teeth of the ninth and tenth 44 stars should be the same and larger than the corresponding parameters of the first and second stars. In addition, the horizontal displacement of the rod from the axis of rotation of the first and second stars should be such to ensure reliable coupling circuit 61 with all three stars, 12, 43, 44. On the other hand (front) (see Fig.6), closed circuit 61 is not kontaktirajte with the first 12 star installed on the overrunning clutch 10.

Linear vertical movement of the chain 61where Rg is the radius of the tenth star 44. Thus, the angular oscillation of the lever 23 or rotation of the water wheel 65 on the corner +Δα equivalent to changing the height of the waves +Δl.

For the most efficient conversion of the kinetic energy of the longitudinal motion of waves on 6 rod mounted water wheel with four blades, shifted relative to each other by 90°. The number of blades can be more than four. As the axis of rotation of the blades are above the sea level, to dopaste in turn come in a counter-flow of the waves. Under pressure waves to dopaste rotate around an axis and cause rotation of the output shaft through the overrunning clutch bevel gears 67 and kinematically associated circuit 61 and the sprocket 12.

In this case, when the first pontoon will be on the top of a wave crest on the blade is the maximum pressure from longitudinal motion of the wave. The direction of the vertical shift circuit 61 will remain in the transmission of rotation from the rotor blades 29 to the star 44 through the first pair of bevel gears 49, 50.

For optimal energy conversion amounts of the first and second buoyancy chambers should be equal to each other and must be shipped to a half volume under its own weight vertically moving parts of the transducer movement, i.e. the weight of the rod and hung on him design elements of the Converter. The second weight of the float chamber should be equal to half the weight of the displaced volume of sea water.

In this case, the torques generated by the first and second stars, will be equal as when lifting and lowering circuits 14 or 62.

Increased efficiency is achieved through the simultaneous use of kinetic and potential energies of the waves.

For this purpose, is injected additionally straightforward sixth circuit 62 in each of the two PR is the originators of the movement. When using one chain of the impact of different types of movement on the chain (see figure 4 and figure 5) can be out of phase. While moments of their impact on the circuit have opposite signs and cancel each other. For example, the rise of the float causes rotation of the chain in a clockwise direction, and the oscillation of the lever or blade - counterclockwise.

The introduction of the second circuit 62 and kinematically related stars 43, 13 allows you to summarize the points of impact of all five types of movement: lifting and lowering the first float chamber, oscillation of the lever clockwise and counterclockwise, and the rotation of the water wheels 65, 74 clockwise.

The lower sprocket 44 is mounted on the same axis stationary with the driven bevel gear.

In addition, the axis of rotation of the leading bevel gear 49 still installed hub two overrunning clutches 67, 68. In this clip overrunning clutch 68 is connected through the flange 70 with a water wheel 65, and clip the other clutch 68 by means of the ring still connected with the lever 23. When the direction of rotation data overrunning the same. Hub ninth overrunning clutch 69 is connected with the ninth conical hexad 73. Ferrule overrunning clutch 69 through the ring 72 interacts with the lever 23.

Water wheels 65, 74 still connected with the flange 70. For this purpose, they still connect with the d 75. This hub overrunning 67, 68, 69 and bevel gears 49, 73 pivotally mounted on an axis 75 with the possibility of free rotation.

If there are kinematically connected five overrunning of group I [Yuriev VI Reference designer mechanical engineer. M / mechanical engineering, 1980, volume 2, str-220] excluded the mutual compensation of the moments from the forces of impact these five movements of the structural elements of the transducer from the impact of waves.

The direction of rotation of seven overrunning is set so that the first circuit, rotating clockwise, worked under the influence of the rotation of the water wheel and the pivot of the lever 23 in a clockwise direction. This additional torque on the shaft is not due to translational motion of the chain up, which is carried out using rod 6 connected with the first float chamber 20.

The ends of the sixth circuit 62 still connected to the axes of rotation 43 seventh and eighth 44 stars.

The sixth circuit 62 performs reciprocating motion and transmits rotation to the lower (second) shaft 9 by 13 stars and overrunning clutch 11 when lowering the rod 6 down. When driving chain 62 upward rotation is transmitted to the upper shaft 8 through the stars 63 installed on the overrunning clutch. Thus, on the lower shaft engages the torque from the one power, and the and the upper shaft four forces.

As a result, the torques from all five forces are formed, which improves the efficiency of the energy Converter wave.

Top star 43 freely rotate on an axis fixed to the upper end of the rod 6. The rod performs reciprocating motion in the vertical direction under the influence of waves on the float chamber 20.

To prevent rotation of the rod and its associated circuits around the axis of the rod and the hole in the frame 4 may have a rectangular profile.

There may be other constructive solutions. For example, the guide rod 5 is connected in parallel with the rod or two of the rod is smaller cross-section can be connected in parallel to each other and so on

It should be noted that, if necessary, with a corresponding simplification of the structure in the energy Converter wave can be used each of the following movements separately:

a) the vertical movement of the first sealed chamber (pontoon) up and down converts the potential energy of the waves;

b) oscillatory movement of the lever connecting the pontoons to each other, transforming the potential energy of the waves;

C) rotational movement of the water wheel, which converts the kinetic energy of the longitudinal flow of the waves.

The energy Converter wave can be used to create stand-alone ICT is nikov electrical and mechanical energy and heat there, where there is no centralized power.

The energy Converter wave can also be used to create a boat propeller which rotates on a common output shaft through the multiplier.

Potential consumers of such converters are border guards, hunters, fishermen, farmers, etc.

1. The energy Converter wave containing kinematically associated stationary rack, a float chamber, a frame, a shaft, a multiplier and a power generator, characterized in that it further comprises a second shaft, the first and second gear and at least two converters movement, and the first and second gear fixed on the shafts and interact with each other.

2. The energy Converter wave according to claim 1, characterized in that each transducer movement includes a vertical rod mounted with a possibility of vertical vibrations on the upper end of which has a first block, while the lower one - third star that interacts with the first and second buoyancy chambers, and first and second overrunning clutch with the stars mounted on respective shafts and communicating via the first and second circuit with the third star.

3. The energy Converter wave according to claim 2, characterized in that each transducer movement contains a lever connecting erwou and second float chamber with each other, rigidly connected with the third star and the blade, through which the first and second cables and circuit communicates with the first and second stars.

4. The energy Converter wave according to claim 3, wherein the motion Converter includes a first pair of bevel gears, a leading gear which interacts with the spring blade, and driven gear - eighth star, while on the upper end of the rod is installed seventh star interacting with a third chain.

5. The energy Converter wave according to claim 4, wherein the motion Converter includes the additional fifth and sixth overrunning clutch through which the blade and the float chamber interact with the eighth star.

6. The energy Converter wave according to claim 5, wherein the motion Converter includes the additional first and second water wheels, which through the seventh overrunning clutch and the first pair of conical gears interact with the ninth star, while the first and second float chamber through the eighth, ninth overrunning clutch and bevel gears interact with the ninth star.

7. The energy Converter wave according to claim 1, characterized in that the first shaft through two pairs of bevel gears interacts with a common output shaft, to which is connected in parallel identical converters energy and waves, and the output of which it is the multiplier and the generator.

8. The energy Converter wave according to claim 1 or 7, characterized in that on a common output shaft still installed the flywheel.



 

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