CN219711726U - Water storage energy storage wind power generation composite power station system - Google Patents
Water storage energy storage wind power generation composite power station system Download PDFInfo
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- CN219711726U CN219711726U CN202321380238.2U CN202321380238U CN219711726U CN 219711726 U CN219711726 U CN 219711726U CN 202321380238 U CN202321380238 U CN 202321380238U CN 219711726 U CN219711726 U CN 219711726U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 160
- 238000010248 power generation Methods 0.000 title claims abstract description 62
- 239000002131 composite material Substances 0.000 title claims abstract description 37
- 238000004146 energy storage Methods 0.000 title claims abstract description 23
- 238000005086 pumping Methods 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 10
- 239000010959 steel Substances 0.000 claims abstract description 10
- 239000013535 sea water Substances 0.000 claims abstract description 9
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 150000001875 compounds Chemical group 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
The utility model discloses a water storage and energy storage wind power generation composite power station system, relates to the field of power generation equipment, and can solve the problem of energy waste generated by wind power generation. The water storage and energy storage wind power generation composite power station system comprises a plurality of wind power generation water pumping composite sets and a plurality of hydroelectric generating sets, wherein each wind power generation water pumping composite set comprises a fixed main shaft, an impeller, a plurality of fan blades and a plurality of steel wire ropes, each hydroelectric generating set comprises a water turbine and a first generator, the water storage and energy storage wind power generation composite power station system also comprises a dam built at the sea, the base in the dam is higher than the sea level, the plurality of wind power generation water pumping composite sets are built on a dam of the dam, the impeller is connected with a water pump for pumping sea water into the dam through a first gear assembly, and the impeller is connected with a second generator through a second gear assembly; the dam is provided with a plurality of drainage channels for draining water in the dam into the sea, and the water turbine is arranged in the drainage channels so as to generate electricity through drainage in the drainage channels.
Description
Technical Field
The utility model relates to the field of power generation equipment, in particular to a water storage energy storage wind power generation composite power station system.
Background
Chinese patent application (grant bulletin number: CN 218030456U) discloses a wind power generation system. The wind power generation system comprises a shaft, an impeller, a plurality of fan blade groups, a driving gear, a plurality of generator sets, an anemometer and an industrial personal computer. One end of the fixed main shaft is connected to the concrete structure on the ground, and the impeller is sleeved on the peripheral wall of the fixed main shaft and connected with the fixed main shaft through a plurality of connecting bearings to realize rotation. The fan blade group comprises a plurality of fan blades which are connected to the blades of the impeller and are in an arc plate shape convenient for wind blowing. The driving gear is sleeved on the peripheral wall of the impeller, and the generator set comprises a generator and a driven gear connected to a rotor of the generator, wherein the driven gear is matched with the driving gear. The utility model solves the problems of unstable input power and low wind energy conversion efficiency of the wind power generation system in the prior art.
Meanwhile, china patent application (issued bulletin number: CN 218934605U) also discloses a wind power pumping system. The system consists of a fixed main shaft, an impeller, a plurality of fan blade groups, a driving gear and a plurality of water pumping groups. Similar to wind power generation system, one end of the fixed main shaft is also connected with the concrete structure on the ground, and the impeller is sleeved on the peripheral wall of the fixed main shaft and is connected with the fixed main shaft through a plurality of connecting bearings to realize rotation. The fan blade group comprises a plurality of fan blades which are connected to the blades of the impeller and are in an arc plate shape convenient for wind blowing. The driving gear is sleeved on the peripheral wall of the impeller. The plurality of water pumping units are arranged on the concrete structure of the ground and are uniformly distributed along the circumferential direction of the fixed main shaft. The water pump group comprises a water pump, an input shaft connected with the water pump and a driven gear matched with the driving gear. The water suction pump is connected with a water suction pipe and a water delivery pipe. The utility model solves the problem of high agricultural irrigation cost in remote areas in the prior art.
Although the two prior arts respectively solve the related problems of wind power generation and wind power pumping, the wind power generation group is established at sea, and under the condition that the power consumption of a user is small at night, the wind power generation group can generate energy waste at night.
Disclosure of Invention
Therefore, the utility model provides a water storage energy storage wind power generation composite power station system to solve the problem of energy waste generated by wind power generation.
In order to achieve the above object, the present utility model provides the following technical solutions:
the water storage and energy storage wind power generation composite power station system comprises a plurality of wind power generation water pumping composite units and a plurality of hydroelectric power generation units, wherein each wind power generation water pumping composite unit comprises a fixed main shaft, an impeller sleeved on the peripheral wall of the fixed main shaft, a plurality of blades connected with the impeller, a plurality of steel wire ropes connected with the top end of the fixed main shaft, each hydroelectric power generation unit comprises a water turbine and a first generator connected with the water turbine, the water storage and energy storage wind power generation composite power station system further comprises a dam built at sea, a substrate in the dam is higher than the sea level, a plurality of wind power generation water pumping composite units are built on a dam of the dam, the impeller is connected with a water pumping pump for pumping seawater into the dam through a first gear assembly, and the impeller is connected with a second generator through a second gear assembly;
the dam is provided with a plurality of drainage channels for draining water in the dam into the sea, and the water turbine is installed in the drainage channels so as to generate electricity through drainage in the drainage channels.
Preferably, the wind power generation and water pumping compound unit further comprises an anemometer and an industrial personal computer, wherein the anemometer is connected to the fixed main shaft, is used for monitoring the wind speed, and is connected to the industrial personal computer;
the water suction pump is also connected with a rotating speed sensor, an input shaft of the water suction pump is connected with a first electronic clutch, an output shaft of the second generator is connected with a second electronic clutch, and the first electronic clutch and the second electronic clutch are both connected with the industrial personal computer;
when the rotating speed of the water suction pump is larger than a first set rotating speed, the rotating speed sensor provides a first feedback signal, and the industrial personal computer controls the second electronic clutch according to the first feedback signal so that the second electronic clutch is closed;
when the rotating speed of the water pump is smaller than a second set rotating speed, the rotating speed sensor of the water pump provides a second feedback signal, and the industrial personal computer controls the second electronic clutch according to the second feedback signal so as to separate the second electronic clutch;
the second set rotational speed is less than the first set rotational speed;
when the rotating speeds of the water suction pump and the second generator are both larger than the first set rotating speed, the industrial personal computer controls the first electronic clutch and the second electronic clutch to be disconnected;
when the first electronic clutch and the second electronic clutch are disconnected, and the wind speed is smaller than the set wind speed, the anemometer provides a third feedback signal, and the industrial personal computer controls the first electronic clutch and the second electronic clutch to be closed according to the third feedback signal.
Preferably, the first set rotational speed is 2200 rpm, the second set rotational speed is 1800 rpm, and the set wind speed is 18 m/s.
Preferably, the fixing main shaft is fixedly connected to the top of the dam, the fixing main shaft is perpendicular to the top of the dam, one end of the steel wire rope is connected to one end of the fixing main shaft far away from the dam, the other end of the steel wire rope is connected to the dam or a substrate in the dam, and the water suction pump and the second generator are both arranged at the top of the dam; the water draining system comprises a water draining canal, a first generator, a water turbine, a water draining canal and a water storage valve, wherein the water draining canal is arranged on the top of the water draining canal, the water draining canal is provided with a water storage valve, the water draining valve is arranged on the water draining canal, and the water draining valve is arranged on the water draining canal.
Preferably, an inlet channel is arranged on the outer side of the dam, the inlet channel is communicated with seawater, and the substrate of the dam is higher than the substrate of the inlet channel.
Preferably, the water diversion canal surrounds the dam, the dam forms a rectangular dam, a plurality of wind power generation water pumping compound sets are distributed on the dams of three sides of the rectangular dam, and a plurality of water drainage canals are distributed on the dams of the rest one side of the rectangular dam.
Preferably, the width of the side of the water intake channel adjacent to the rectangular dam of the drainage channel is larger than the width of the side of the water intake channel adjacent to the rectangular dam on which the wind power generation and water pumping complex is installed.
Preferably, the impeller is rotatably connected to the fixed main shaft through a plurality of connecting bearings, the fan blades are connected to blades of the impeller, the fan blades are arc plates which are convenient for wind blowing, the fan blades are arranged along the circumferential direction of the impeller, the first gear assembly comprises a driving gear sleeved on the impeller, a first gear connected to an output shaft of the water pump and used for being meshed with the driving gear, the second gear assembly comprises a second gear connected to an output shaft of the second generator and used for being meshed with the driving gear, and the first gear and the second gear are respectively positioned on two opposite sides of the driving gear; the water suction pump is connected with a water suction pipe and a water delivery pipe.
Preferably, the wind power generation water pumping compound unit further comprises a rotary bearing for supporting the impeller, the rotary bearing is sleeved on the peripheral wall of the fixed main shaft and is rotationally connected to the top of the dam, and the lower end of the impeller abuts against the upper end of the rotary bearing.
Preferably, a gearbox is connected between the input shaft of the water pump and the first gear, and a gearbox is connected between the output shaft of the second generator and the second gear.
The utility model has the following advantages:
at night, the wind power generation pumping complex set mainly pumps seawater into the dam through the water pump to store energy at a high position, when the electric energy consumption of users or factories is large in daytime, the stored water is discharged from the drainage canal, the hydraulic generator set is driven to work in the discharging process to convert the energy storage of water into electric energy, and the hydraulic generator set and the wind power generation pumping complex set can work together in daytime to meet the energy consumption requirement of electricity consumption peaks, so that the wind energy can be fully utilized, and the problem of energy waste generated by wind power generation is solved.
Drawings
In order to more intuitively illustrate the prior art and the utility model, several exemplary drawings are presented below. It should be understood that the specific shape and configuration shown in the drawings are not generally considered limiting conditions in carrying out the utility model; for example, those skilled in the art will be able to make routine adjustments or further optimizations for the addition/subtraction/attribution division, specific shapes, positional relationships, connection modes, dimensional proportion relationships, and the like of certain units (components) based on the technical concepts and the exemplary drawings disclosed in the present utility model.
FIG. 1 is a schematic diagram of an overall arrangement of a water-storage energy-storage wind power generation composite power station system according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an enlarged view at B in fig. 2.
Reference numerals illustrate:
1. wind power generation pumping compound unit; 11. an impeller; 12. a fan blade; 13. a wire rope; 14. a water pump; 15. a second generator; 2. a hydroelectric generating set; 21. a water turbine; 22. a first generator; 3. a dam; 31. a dike; 32. a drainage canal; 33. a gate; 4. and a water channel.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model: the terms "first," "second," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements but may include other steps or elements not expressly listed but inherent to such process, method, article, or apparatus or adding steps or elements based on a further optimization of the inventive concept.
Referring to fig. 1-3, the utility model discloses a water storage and energy storage wind power generation composite power station system, which comprises a plurality of wind power generation pumping composite units 1 and a plurality of hydroelectric generating units 2, wherein the wind power generation pumping composite power station system 1 comprises a fixed main shaft, an impeller 11 sleeved on the peripheral wall of the fixed main shaft, a plurality of blades 12 connected with the impeller 11, and a plurality of steel wire ropes 13 connected with the top end of the fixed main shaft, the hydroelectric generating units 2 comprise water turbines 21 and first generators 22 connected with the water turbines 21, the water storage and energy storage wind power generation composite power station system also comprises a dam 3 built at sea, the substrate in the dam 3 is higher than the sea level, the plurality of wind power generation pumping composite power stations 1 are built on a dam 31 of the dam 3, the impeller 11 is connected with a water pump 14 for pumping seawater into the dam 3 through a first gear assembly, and the impeller 11 is connected with a second generator 15 through a second gear assembly; the dam 31 is provided with a plurality of water discharge channels 32 for discharging water in the dam 3 into the sea, and the water turbine 21 is installed in the water discharge channels 32 to generate electricity through the water discharge in the water discharge channels 32.
At night, the wind power generation and water pumping composite set 1 mainly pumps seawater into the dam 3 through the water pump 14 to perform high-level energy storage, when the electric energy consumption of a user or a factory is large in the daytime, the water storage is discharged from the water drainage channel 32, the water storage is driven to work in the discharging process, the energy storage of water is converted into electric energy, and the water storage and water pumping composite set 2 and the wind power generation and water pumping composite set 1 can work together in the daytime so as to meet the energy consumption requirement of electricity consumption peaks, and therefore, the wind energy can be fully utilized, and the problem of energy waste generated by wind power generation is solved.
The principle that the impeller 11 rotates to drive the second generator 15 and the water pump 14 to work through the first gear assembly and the second gear assembly is the prior art (the authorized bulletin number is CN218030456U; the authorized bulletin number is CN 218934605U), and the utility model is not repeated here; the structure and the working principle of the water turbine 21 of the hydroelectric generating set 2 and the corresponding generator are also the prior art, and the utility model is not repeated.
The plurality of first generators 22 and the plurality of second generators 15 may be connected in series or in parallel.
The wind power generation and water pumping compound unit 1 also comprises an anemometer and an industrial personal computer, wherein the anemometer is connected to the fixed main shaft and is used for monitoring the wind speed, and the anemometer is connected to the industrial personal computer;
the water pump 14 is also connected with a rotation speed sensor, the input shaft of the water pump 14 is connected with a first electronic clutch, the output shaft of the second generator 15 is connected with a second electronic clutch, and the first electronic clutch and the second electronic clutch are both connected with the industrial personal computer;
when the rotating speed of the water suction pump 14 is greater than the first set rotating speed, the rotating speed sensor provides a first feedback signal, and the industrial personal computer controls the second electronic clutch according to the first feedback signal so that the second electronic clutch is closed;
when the rotating speed of the water pump 14 is smaller than the second set rotating speed, the rotating speed sensor of the water pump 14 provides a second feedback signal, and the industrial personal computer controls the second electronic clutch according to the second feedback signal so as to separate the second electronic clutch;
the second set rotational speed is less than the first set rotational speed;
when the rotation speeds of the water suction pump 14 and the second generator 15 are both larger than the first set rotation speed, the industrial personal computer controls the first electronic clutch and the second electronic clutch to be disconnected;
when the first electronic clutch and the second electronic clutch are both disconnected, and the wind speed is smaller than the set wind speed, the anemometer provides a third feedback signal, and the industrial personal computer controls the first electronic clutch and the second electronic clutch to be closed according to the third feedback signal.
The first set rotational speed is 2200 rpm, the second set rotational speed is 1800 rpm, and the set wind speed is 18 m/s.
The first electronic clutch and the second electronic clutch can respectively control the water suction pump 14 and the second generator 15 to be connected with or disconnected from the fixed main shaft, and when the wind speed is high according to the wind power, the fixed main shaft is simultaneously connected with the water suction pump 14 and the second generator 15, and the water suction pump 14 and the second generator 15 work simultaneously; when the wind speed is low, the fixed main shaft is only connected with the water suction pump 14 (the second generator 15 is disconnected); when the wind speed is minimum, the fixed main shaft idles; in this way, the suction pump 14, the second generator 15 can be ensured to be at a suitable operating power.
The electronic clutch is in the prior art, and the utility model is not described in detail.
The fixed main shaft is fixedly connected to the top of the dam 31, the fixed main shaft is perpendicular to the top of the dam 31, one end of the steel wire rope 13 is connected to one end of the fixed main shaft far away from the dam 31, the other end of the steel wire rope 13 is connected to a substrate in the dam 31 or the dam 3, and the water suction pump 14 and the second generator 15 are arranged on the top of the dam 31; the first generator 22 is arranged at the top of the dam 31, the output shaft of the first generator 22 is connected with the water turbine 21 through gear engagement, and a gate 33 for controlling the water stored in the dam 3 to flow out of the water discharge channel 32 is also arranged in the water discharge channel 32.
The gate 33 is of the prior art and the manner and structure of installation is not described in detail. Wherein, a speed regulating mechanism (a speed reducing mechanism) can be connected between the first generator 22 and the water turbine 21, so that the generator outputs stable electric energy,
the outside of the dam 3 is provided with a water diversion canal 4, the water diversion canal 4 is communicated with seawater, and the substrate of the dam 31 is higher than the substrate of the water diversion canal 4. In this way, the introduction of seawater beside the dam 3 is advantageous for the site selection of the dam 3 on the one hand and the suction pipe of the suction pump 14 on the other hand can be shortened.
The water intake canal 4 surrounds the dam 3, the dam 31 encloses the rectangular dam 3, the plurality of wind power generation pumping complex sets 1 are distributed on the dams 31 on three sides of the rectangular dam 3, and the plurality of water discharge canals 32 are distributed on the dams 31 on the remaining one side of the rectangular dam 3.
The width of the side of the water intake channel 4 close to the rectangular dam 3 of the water discharge channel 32 is larger than the width of the side of the water intake channel 4 close to the rectangular dam 3 where the wind power generation and water pumping complex 1 is installed. The hydroelectric generating set 2 is arranged near the side of the rectangular dam 3 of the drainage canal 32, and water discharged from the drainage canal 32 can wash the canal side of the water canal 4, so that the width of the water canal 4 at the position is increased, and the washing damage to the water canal 4 can be reduced.
The impeller 11 is rotationally connected to the fixed main shaft through a plurality of connecting bearings, the fan blades 12 are connected to the blades of the impeller 11, the fan blades 12 are arc plates which are convenient for wind blowing, the fan blades 12 are arranged along the circumferential direction of the impeller 11, the first gear assembly comprises a driving gear sleeved on the impeller 11, a first gear connected to an output shaft of the water pump 14 and used for being meshed with the driving gear, the second gear assembly comprises a second gear connected to an output shaft of the second generator 15 and used for being meshed with the driving gear, and the first gear and the second gear are respectively positioned on two opposite sides of the driving gear;
the suction pump 14 is connected to a suction pipe and a delivery pipe.
It should be explained here that the suction pump 14 according to the present utility model differs from the suction pumps of the prior art in that: the suction pump 14 of the present utility model has no motor and the input shaft 45 of the suction pump 14 is connected to the first gear.
The wind power generation and water pumping composite set 1 further comprises a rotary bearing for supporting the impeller 11, the rotary bearing is sleeved on the outer peripheral wall of the fixed main shaft, the rotary bearing is rotationally connected to the top of the dam 31, and the lower end of the impeller 11 abuts against the upper end of the rotary bearing.
A gearbox is connected between the input shaft of the water pump 14 and the first gear, and a gearbox is connected between the output shaft of the second generator 15 and the second gear.
Any combination of the technical features of the above embodiments may be performed (as long as there is no contradiction between the combination of the technical features), and for brevity of description, all of the possible combinations of the technical features of the above embodiments are not described; these examples, which are not explicitly written, should also be considered as being within the scope of the present description.
The utility model has been described above with particularity and detail in connection with general description and specific embodiments. It should be understood that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present utility model; but these conventional modifications and further innovations may also fall within the scope of the claims of the present utility model as long as they do not depart from the technical spirit of the present utility model.
Claims (8)
1. The water storage and energy storage wind power generation composite power station system comprises a plurality of wind power generation pumping composite sets and a plurality of hydroelectric power generation sets, wherein each wind power generation pumping composite set comprises a fixed main shaft, an impeller sleeved on the peripheral wall of the fixed main shaft, a plurality of blades connected with the impeller, and a plurality of steel wire ropes connected with the top end of the fixed main shaft;
the dam is provided with a plurality of drainage channels for draining water in the dam into the sea, and the water turbine is installed in the drainage channels so as to generate electricity through drainage in the drainage channels.
2. The water and energy storage wind power generation composite power station system according to claim 1, wherein the fixing main shaft is fixedly connected to the top of the dam, the fixing main shaft is perpendicular to the top of the dam, one end of the steel wire rope is connected to one end of the fixing main shaft far away from the dam, the other end of the steel wire rope is connected to a substrate in the dam or the dam, and the water suction pump and the second generator are both arranged on the top of the dam; the water draining system comprises a water draining canal, a first generator, a water turbine, a water draining canal and a water storage valve, wherein the water draining canal is arranged on the top of the water draining canal, the water draining canal is provided with a water storage valve, the water draining valve is arranged on the water draining canal, and the water draining valve is arranged on the water draining canal.
3. The water and energy storage wind power generation composite power station system according to claim 1, wherein an inlet channel is formed on the outer side of the dam, the inlet channel is communicated with seawater, and the base of the dam is higher than the base of the inlet channel.
4. A water and energy storage wind power generation composite power station system as in claim 3 wherein said water intake canal surrounds said dam, said dam encloses a rectangular dam, a plurality of said wind power generation water pumping composite sets are distributed on three of said rectangular dam's dams, and a plurality of said water drainage canals are distributed on the remaining one of said rectangular dam's dams.
5. The water storage and energy storage wind power generation composite power station system according to claim 2, wherein the impeller is rotationally connected to the fixed main shaft through a plurality of connecting bearings, the fan blades are connected to blades of the impeller, the fan blades are arc plates which are convenient for wind blowing, the plurality of fan blades are arranged along the circumferential direction of the impeller, the first gear assembly comprises a driving gear sleeved on the impeller, a first gear connected to an output shaft of the water suction pump and used for being meshed with the driving gear, the second gear assembly comprises a second gear connected to an output shaft of the second generator and used for being meshed with the driving gear, and the first gear and the second gear are respectively positioned on two opposite sides of the driving gear;
the water suction pump is connected with a water suction pipe and a water delivery pipe.
6. The water storage and energy storage wind power generation composite power station system according to claim 2, wherein the wind power generation pumping composite unit further comprises a rotary bearing for supporting the impeller, the rotary bearing is sleeved on the peripheral wall of the fixed main shaft and is rotatably connected to the top of the dam, and the lower end of the impeller abuts against the upper end of the rotary bearing.
7. The water and energy storage wind power generation composite power station system according to claim 5, wherein a gearbox is connected between the input shaft of the water pump and the first gear, and a gearbox is connected between the output shaft of the second generator and the second gear.
8. A water and energy storage wind power generation composite power plant system as claimed in claim 4 wherein the width of the sides of the water intake channel adjacent the rectangular dam of the water drainage channel is greater than the width of the sides of the water intake channel adjacent the rectangular dam on which the wind power generator set is mounted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321380238.2U CN219711726U (en) | 2023-06-01 | 2023-06-01 | Water storage energy storage wind power generation composite power station system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321380238.2U CN219711726U (en) | 2023-06-01 | 2023-06-01 | Water storage energy storage wind power generation composite power station system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219711726U true CN219711726U (en) | 2023-09-19 |
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ID=87998755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321380238.2U Active CN219711726U (en) | 2023-06-01 | 2023-06-01 | Water storage energy storage wind power generation composite power station system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219711726U (en) |
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2023
- 2023-06-01 CN CN202321380238.2U patent/CN219711726U/en active Active
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