CN114439675B - Buoy type power generation assembly - Google Patents
Buoy type power generation assembly Download PDFInfo
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- CN114439675B CN114439675B CN202210052342.2A CN202210052342A CN114439675B CN 114439675 B CN114439675 B CN 114439675B CN 202210052342 A CN202210052342 A CN 202210052342A CN 114439675 B CN114439675 B CN 114439675B
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- pressure oil
- oil pump
- ratchet wheel
- gear
- buoy
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- 238000010248 power generation Methods 0.000 title claims abstract description 28
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 39
- 238000005381 potential energy Methods 0.000 claims abstract description 14
- 239000003921 oil Substances 0.000 claims description 87
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000007667 floating Methods 0.000 claims description 12
- 239000010705 motor oil Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- 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
- F03B13/262—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 using the relative movement between a tide-operated member and another member
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Oceanography (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a buoy type power generation assembly, which comprises a clamping tooth rod, a bidirectional driver for converting force generated by moving the clamping tooth rod into mechanical potential energy and a power generation assembly.
Description
Technical Field
The present invention relates to tidal wave power generation systems.
Background
Tidal power generation is a new energy hydroelectric power generation, a certain tidal range is formed between a water level of a water reservoir and an outside sea tide level by enclosing a dam, a gate and a factory building of a conditional bay or a harbour, so that the hydraulic turbine is driven to rotate by utilizing the fall between the high tide level and the low tide level to drive a generator to generate power, and the tidal energy is taken as a renewable clean energy source and is also gradually an important object for the research and development of a new energy technology; in the prior art, most of devices utilizing tidal power generation only generate power through surging of sea waves, but the power generation principle is single, the efficiency is low, and tidal potential energy cannot be effectively utilized for power generation.
Disclosure of Invention
The present invention provides a floating power generation assembly that overcomes the deficiencies described in the background.
The technical scheme adopted for solving the technical problems is as follows:
The bidirectional potential energy power generation set comprises a clamping tooth rod, a bidirectional driver and a power generation assembly, wherein one end of the clamping tooth rod is connected with a movable force application end, and the other end of the clamping tooth rod penetrates through the bidirectional driver; the bidirectional driver comprises a bidirectional driving gear group, a driving gear and a first high-pressure oil pump, wherein the bidirectional driving gear group is meshed with the latch rod, and the bidirectional driving gear group is connected with a rotating shaft of the first high-pressure oil pump through the driving gear; the power generation assembly comprises a second high-pressure oil pump and a power generator, the first high-pressure oil pump and the second high-pressure oil pump are communicated and circulated through a circulation assembly, and engine oil is filled in the first high-pressure oil pump and the second high-pressure oil pump; the generator is connected with the output shaft of the second high-pressure oil pump through a belt transmission.
A preferred technical scheme is as follows: the bidirectional transmission gear group comprises a connecting gear, a first gear group and a second gear group, and the first gear group is positioned above the second gear group; the first tooth group comprises a first gear, a first ratchet wheel and a first rotating rod, and the first rotating rod sequentially penetrates through the first gear and the first ratchet wheel; the second tooth group comprises a second ratchet wheel, a third ratchet wheel, a second gear and a second rotating rod, wherein the second rotating rod sequentially penetrates through the second ratchet wheel, the third ratchet wheel and the second gear, the first gear is meshed with the second ratchet wheel, and the first ratchet wheel and the second gear are driven through the connecting gear; the second ratchet wheel and the third ratchet wheel are meshed with the latch rod; the stress directions of the second ratchet wheel and the third ratchet wheel are opposite, the stress direction of the connecting gear is the same as the stress direction of the third ratchet wheel, and the stress direction of the first ratchet wheel is opposite to the stress direction of the connecting gear.
A preferred technical scheme is as follows: the first tooth group further comprises a first flywheel, the first flywheel is sleeved on the first rotating rod, and the first flywheel is far away from the joint end of the first tooth group and the belt.
A preferred technical scheme is as follows: the circulating assembly comprises a high-pressure oil tank and a storage oil tank, wherein the first high-pressure oil pump is communicated with the high-pressure oil tank, the high-pressure oil tank is communicated with the second high-pressure oil pump, the second high-pressure oil pump is communicated with the storage oil tank, and the storage oil tank is communicated with the first high-pressure oil pump.
The buoy type power generation assembly comprises a buoy, a sleeve, a bearing column and at least one bidirectional potential energy power generation group as claimed in claim 1, wherein the buoy is hinged to the sleeve in a swinging manner through a bolt, the sleeve is sleeved on the bearing column, at least one latch rod is connected to the buoy, and the other end of the latch rod is connected to the upper end edge of the bearing column in a swinging manner.
A preferred technical scheme is as follows: and one end of the latch rod, which is far away from the buoy, is connected with the bearing column in a swinging way through a telescopic rod.
A preferred technical scheme is as follows: each tooth clamping rod is connected with the buoy through a universal shaft.
A preferred technical scheme is as follows: each bidirectional potential energy source generating set is connected with at least more than one buoy through the latch rod.
A preferred technical scheme is as follows: the buoy is a ship-shaped buoy, and the interior of the ship-shaped buoy is hollow.
Compared with the background technology, the technical proposal has the following advantages:
When the device is used, the clamping tooth rod can be fixed on the force application end of the reciprocating motion to move in a mode of applying pressure by natural external force, and the force generated by the reciprocating motion of the clamping tooth rod is converted into current through the bidirectional potential energy power generation group for use, so that the device is clean, efficient and environment-friendly in natural energy.
The invention can also be infinitely extended in an assembling mode, the blade wheel, the buoy and the bearing column are infinitely extended and assembled for use, the invention is built on the sea, when the tide surges, the tide pushes the buoy, the buoy generates electricity through the bidirectional potential energy generating set, and the mechanical potential energy generated when the buoy is lifted up and down is converted into electricity through the clamping tooth rod and the bidirectional driver, so that the electricity generating efficiency is increased.
Drawings
The invention is further described below with reference to the drawings and examples.
Fig. 1 is a front view of the overall structure of the present invention.
Fig. 2 is a top view of the overall structure of the present invention.
Fig. 3 is a schematic structural view of a power generation assembly.
Fig. 4 is a schematic structural view of the bidirectional driver.
Fig. 5 is a schematic structural view of a drive assembly on a bladed wheel.
FIG. 6 is a schematic view of a connection mechanism for a blade wheel, a floating plate, and a drive assembly.
In the figure: the power generation assembly 1, the high-pressure oil tank 11, the second high-pressure oil pump 12, the power generator 13, the storage oil tank 14, the relay group 15, the bidirectional potential energy source power generation group 2, the bidirectional driver 21, the first gear group 211, the first gear a1, the first ratchet a2, the first flywheel a3, the second gear group 212, the second ratchet b1, the third ratchet b2, the second gear b3, the meshing gear c, the first high-pressure oil pump 213, the belt 215, the latch lever 22, the telescopic lever 23, the buoy 3, the sleeve 4, the vane wheel 5, the floating plate 51, the transmission assembly 52, the fourth ratchet 521, the third rotary lever 522, the second flywheel 523, the third high-pressure oil pump 53, the bearing post 6, and the slide rail 61.
Detailed Description
Example 1
As shown in fig. 1-2, in this embodiment, a bidirectional potential energy generating set includes a latch rod 22, a bidirectional driver 21, and a generating set 1, where one end of the latch rod 22 is connected to a moving force application end, and the other end of the latch rod 22 penetrates through the bidirectional driver 21; the bidirectional driver 21 comprises a bidirectional driving gear set, a driving gear and a first high-pressure oil pump 213, wherein the bidirectional driving gear set is meshed with the latch rod 22, and the bidirectional driving gear set is connected with a rotating shaft of the first high-pressure oil pump 213 through the driving gear; the power generation assembly 1 comprises a second high-pressure oil pump 12 and a power generator 13, wherein the first high-pressure oil pump 213 and the second high-pressure oil pump 12 are communicated and circulated through a circulation assembly, and the first high-pressure oil pump 213 and the second high-pressure oil pump 12 are filled with engine oil; the generator 13 is connected with the output shaft of the second high-pressure oil pump 12 in a transmission way through a belt 215;
the clamping tooth rod 22 is fixed at the moving force application end, the clamping tooth rod 22 is driven to move by the moving force application end, the clamping tooth rod 22 moves and simultaneously is meshed with the bidirectional transmission tooth set to drive the first high-pressure oil pump 213 to convey engine oil into the second high-pressure oil pump 12, so that when the engine oil enters the second high-pressure oil pump 12, the rotating shaft of the second high-pressure oil pump 12 is driven to rotate, and the belt 215 is driven to drive the rotating shaft of the generator 13 to rotate to generate power.
Further, the bidirectional transmission gear set includes a connecting gear c, a first gear set 211 and a second gear set 212, where the first gear set 211 is located above the second gear set 212; the first tooth set 211 includes a first gear a1, a first ratchet wheel a2, and a first rotating rod, and the first rotating rod sequentially penetrates through the first gear a1 and the first ratchet wheel a2; the second tooth set 212 includes a second ratchet wheel b1, a third ratchet wheel b2, a second gear b3 and a second rotating rod, wherein the second rotating rod sequentially penetrates through the second ratchet wheel b1, the third ratchet wheel b2 and the second gear b3, the first gear a1 is meshed with the second ratchet wheel b1, and the first ratchet wheel a2 and the second gear b3 are driven by the connecting gear c; the second ratchet wheel b1 and the third ratchet wheel b2 are meshed with the latch rod 22; the stress directions of the second ratchet wheel b1 and the third ratchet wheel b2 are opposite, the stress direction of the connecting gear c is the same as the stress direction of the third ratchet wheel b2, and the stress direction of the first ratchet wheel a2 is opposite to the stress direction of the connecting gear c.
Further, the first tooth set 211 further includes a first flywheel a3, the first flywheel a3 is sleeved on the first rotating rod, and the first flywheel a3 is far away from the engagement end of the first tooth set 211 and the belt 215.
Further, the circulation assembly includes a high-pressure oil tank 11 and a storage oil tank 14, the first high-pressure oil pump 213 is in communication with the high-pressure oil tank 11, the high-pressure oil tank 11 is in communication with the second high-pressure oil pump 12, the second high-pressure oil pump 12 is in communication with the storage oil tank 14, and the storage oil tank 14 is in communication with the first high-pressure oil pump 213.
Further, the power generation assembly 1 further includes a relay set 15, and the relay set 15 transmits the current to the outside through an external conductive wire.
To further illustrate the first embodiment, the working steps of the present invention are briefly described as follows:
In this embodiment, when the latch bar 22 is used, the latch bar 22 can be moved by pressing with an external force or by fixing the latch bar 22 on the application end of the reciprocating motion, and when the latch bar 22 moves up and down along with the application end, the second ratchet b1 and the third ratchet b2 in the second tooth set 212 can rotate by engaging with the latch bar 22, and when the latch bar 22 moves up, the third ratchet b2 does not force to drive the second gear b3 to rotate, and the second ratchet b1 force drives the first gear a1 to rotate by engaging, so as to drive the first rotating bar of the first tooth set 211 to rotate; when the latch rod 22 moves downwards, the second ratchet wheel b1 is not stressed, the third ratchet wheel b2 is stressed to drive the second gear wheel b3 to rotate, meanwhile, the second gear wheel b3 is meshed with the first ratchet wheel a2 through the meshing gear wheel c to rotate, so that the first flywheel a3 is driven while the first rotating rod rotates, the power shaft of the first high-pressure oil pump 213 is driven to rotate through the belt 215, the oil pump is extruded into the high-pressure oil tank 11 along the transmission pipe, then poured into the second high-pressure oil pump 12 from the high-pressure oil tank 11 to drive the driving shaft of the second high-pressure oil pump 12 to rotate, and the driving shaft of the second high-pressure oil pump 12 is connected with the rotating shaft of the generator 13 through the belt 215, so that the generator 13 is driven to generate electricity in the process of rotating the driving shaft of the second high-pressure oil pump 12, finally, current is conducted into the relay group 15 to be controlled and adjusted, and then the generated power is transmitted outwards through an external cable.
Example two
As shown in fig. 1-4, in this embodiment, a buoy power generation assembly includes a buoy 3, a sleeve 4, a bearing column 6, and in the first embodiment, the buoy 3 is swingably hinged to the sleeve 4 through a bolt, the sleeve 4 is sleeved on the bearing column 6, two ends of the buoy 3 are connected with latch rods 22, and the other end of the latch rod 22 is connected to an end edge of an upper side of the bearing column 6 through a telescopic rod 23.
Further, the bearing column 6 is constructed on the sea floor, and the upper end of the bearing column 6 protrudes from the sea level.
Further, the end of the latch rod 22 away from the buoy 3 is swingably connected to the bearing post 6 via a telescopic rod 23.
Further, each of the latch bars 22 is connected to the float 3 by a cardan shaft.
Further, each bidirectional potential energy source generating set 2 is connected to at least one buoy 3 through the latch rod 22.
Further, the buoy 3 is a boat-shaped buoy, and the interior of the boat-shaped buoy is hollow.
Further, a sliding rail 61 is provided on the bearing post 6, and the sleeve 4 takes the sliding rail 61 as a motion track to float up and down.
To further illustrate the second embodiment, the working steps of the present invention are briefly described as follows:
in the use of the embodiment, the buoy 3 is connected through the sleeve 4 sleeved on the bearing column 6, and is applied to the environment such as the sea, the river bank and the like, when tide water continuously rises and falls along with the moon, the buoy 3 floating on the water surface can continuously drive the sleeve 4 to lift, meanwhile, the clamping tooth rod 22 is pulled, the clamping tooth rod 22 drives the first rotating rod to rotate in a single direction through the force of the bidirectional driver 21 for lifting and lowering the clamping tooth rod 22, the first high-pressure oil pump 213 sequentially passes through the high-pressure oil tank 11, the second high-pressure oil pump 12 and the oil storage barrel and then flows back into the first high-pressure oil pump 213 again, and when the tide water flows to the second high-pressure oil pump 12, the rotating shaft of the second high-pressure oil pump 12 is driven to rotate, so that the driving shaft of the driving generator 13 rotates to generate electricity;
And when the ocean wave pushes the buoy 3, as only one end of the buoy 3 is connected with the sleeve 4, the buoy 3 can tilt upwards along with the pushing of the ocean wave, meanwhile, the clamping tooth rod 22 is driven to stretch and retract, and the bidirectional driver 21 is driven by the stretch and retract of the clamping tooth rod 22 to cooperate with the power generation assembly 1 to generate power.
Comparative example one
1-6, Compared with the second embodiment, the tidal wave power generation system in the comparative example comprises a buoy type power generation assembly as shown in the second embodiment, and further comprises a vane wheel 5 and a transmission assembly 52, wherein the vane wheel 5 is connected to the side surface of the buoy 3 through the transmission assembly 52;
Further, the transmission assembly 52 includes a third rotating rod 522, a fourth ratchet 521, a second flywheel 523 and a third high-pressure oil pump 53, wherein one end of the third rotating rod 522 sequentially penetrates through the fourth ratchet and the second flywheel 523 and then is connected with the buoy 3, the other end of the third rotating rod 522 is connected with the vane wheel 5, and the third rotating rod 522 is transmitted with a power shaft of the third high-pressure oil pump 53 through a belt;
further, the number of the blade wheels 5 is at least one, and each blade wheel 5 is connected with the buoy 3 with a smaller volume.
Further, a floating plate 51 is disposed at an end of the paddle wheel 5 away from the buoy 3, so as to provide buoyancy through the floating plate 51.
To further illustrate this comparative example, the working steps of the present invention are briefly described as follows:
On the basis of the use of the second embodiment, the vane wheel 5 is arranged on two sides of the buoy 3 with smaller volume, the vane wheel 5 is driven to rotate when the sea wave pushes the buoy 3 to float upwards, when the vane wheel 5 rotates by taking the third rotating rod 522 as the center, the third rotating rod 522 drives the third high-pressure oil pump 53 to work under the transmission of the belt, the transmission pipe is conveyed into the high-pressure oil tank 11, and then the transmission pipe sequentially passes through the second high-pressure oil pump 12 and the storage oil tank 14 and then flows back to the third high-pressure oil pump 53, so that circulation is formed, and meanwhile, the driving shaft of the generator 13 is driven to rotate to generate electricity.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and therefore should not be taken as limiting the scope of the invention, for all changes and modifications that come within the meaning and range of equivalency of the claims and specification are therefore intended to be embraced therein.
Claims (7)
1. A buoy type power generation assembly, characterized in that: the device comprises a buoy, a sleeve, a bearing column, at least one bidirectional potential energy source generating set, a blade wheel and a transmission assembly, wherein the bidirectional potential energy source generating set comprises a clamping tooth rod, a bidirectional transmission device and a generating assembly, one end of the clamping tooth rod is connected with a movable force application end, and the other end of the clamping tooth rod penetrates through the bidirectional transmission device;
the bidirectional driver comprises a bidirectional driving gear group, a driving gear and a first high-pressure oil pump, wherein the bidirectional driving gear group is meshed with the latch rod, and the bidirectional driving gear group is connected with a rotating shaft of the first high-pressure oil pump through the driving gear;
The power generation assembly comprises a second high-pressure oil pump and a power generator, the first high-pressure oil pump and the second high-pressure oil pump are communicated and circulated through a circulation assembly, and engine oil is filled in the first high-pressure oil pump and the second high-pressure oil pump;
The generator is connected with an output shaft of the second high-pressure oil pump through belt transmission;
The buoy is hinged to the sleeve in a swinging way through a bolt, the sleeve is sleeved on the bearing column, at least one latch rod is connected to the buoy, and the other end of the latch rod is connected to the upper end edge of the bearing column in a swinging way;
The blade wheel is connected to the side surface of the buoy through the transmission assembly;
The transmission assembly comprises a third rotating rod, a fourth ratchet wheel, a second flywheel and a third high-pressure oil pump, one end of the third rotating rod sequentially penetrates through the fourth ratchet wheel and the second flywheel and then is connected with the buoy, the other end of the third rotating rod is connected with the blade wheel, and the third rotating rod is in transmission with a power shaft of the third high-pressure oil pump through a belt.
2. A floating energy generation assembly according to claim 1 wherein: the bidirectional transmission gear group comprises a connecting gear, a first gear group and a second gear group, and the first gear group is positioned above the second gear group;
The first tooth group comprises a first gear, a first ratchet wheel and a first rotating rod, and the first rotating rod sequentially penetrates through the first gear and the first ratchet wheel;
The second tooth group comprises a second ratchet wheel, a third ratchet wheel, a second gear and a second rotating rod, wherein the second rotating rod sequentially penetrates through the second ratchet wheel, the third ratchet wheel and the second gear, the first gear is meshed with the second ratchet wheel, and the first ratchet wheel and the second gear are driven through the connecting gear;
the second ratchet wheel and the third ratchet wheel are meshed with the latch rod;
The stress directions of the second ratchet wheel and the third ratchet wheel are opposite, the stress direction of the connecting gear is the same as the stress direction of the third ratchet wheel, and the stress direction of the first ratchet wheel is opposite to the stress direction of the connecting gear.
3. A floating energy generation assembly according to claim 2 wherein: the first tooth group further comprises a first flywheel, the first flywheel is sleeved on the first rotating rod, the belt is arranged at one end of the first rotating rod, and the first flywheel is arranged at the other end of the first rotating rod.
4. A floating energy generation assembly according to claim 2 wherein: the circulating assembly comprises a high-pressure oil tank and a storage oil tank, wherein the first high-pressure oil pump is communicated with the high-pressure oil tank, the high-pressure oil tank is communicated with the second high-pressure oil pump, the second high-pressure oil pump is communicated with the storage oil tank, and the storage oil tank is communicated with the first high-pressure oil pump.
5. A floating energy generation assembly according to claim 1 wherein: and one end of the latch rod, which is far away from the buoy, is connected with the bearing column in a swinging way through a telescopic rod.
6. A floating energy generation assembly according to claim 5 wherein: each tooth clamping rod is connected with the buoy through a universal shaft.
7. A floating energy generation assembly according to claim 1 wherein: each bidirectional potential energy source generating set is connected with at least one buoy through the latch rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210052342.2A CN114439675B (en) | 2022-01-18 | 2022-01-18 | Buoy type power generation assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210052342.2A CN114439675B (en) | 2022-01-18 | 2022-01-18 | Buoy type power generation assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114439675A CN114439675A (en) | 2022-05-06 |
| CN114439675B true CN114439675B (en) | 2024-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210052342.2A Active CN114439675B (en) | 2022-01-18 | 2022-01-18 | Buoy type power generation assembly |
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| Country | Link |
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| CN (1) | CN114439675B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230830A (en) * | 2007-01-23 | 2008-07-30 | 肖荣成 | Novel high-efficiency ocean wave generator |
| CN109185025A (en) * | 2018-09-30 | 2019-01-11 | 中国海洋大学 | A kind of the multiple degrees of freedom oscillating floater power generator and electricity-generating method of stormy waves combination |
| CN109944735A (en) * | 2019-03-29 | 2019-06-28 | 刘志坚 | Wave power generation device |
-
2022
- 2022-01-18 CN CN202210052342.2A patent/CN114439675B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230830A (en) * | 2007-01-23 | 2008-07-30 | 肖荣成 | Novel high-efficiency ocean wave generator |
| CN109185025A (en) * | 2018-09-30 | 2019-01-11 | 中国海洋大学 | A kind of the multiple degrees of freedom oscillating floater power generator and electricity-generating method of stormy waves combination |
| CN109944735A (en) * | 2019-03-29 | 2019-06-28 | 刘志坚 | Wave power generation device |
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| CN114439675A (en) | 2022-05-06 |
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