WO2024045842A1 - Combined wind-photovoltaic-energy storage combined power generation system - Google Patents

Abstract

The present invention relates to a combined wind-photovoltaic-energy storage combined power generation system, comprising: an electric energy rectification and storage unit, superposition and combination mechanisms, a stand column, and a plurality of groups of wind-photovoltaic power generation units. The plurality of wind-photovoltaic power generation units are superposed and combined, and at least one group of wind-photovoltaic power generation units is fixedly connected to the stand column; every two adjacent groups of wind-photovoltaic power generation units are connected to each other by means of the superposition and combination mechanism; each group of wind-photovoltaic power generation units is electrically connected to the electric energy rectification and storage unit; the stand column is further provided with a storage platform; and the electric energy rectification and storage unit is disposed on the storage platform. The present invention is simple in structure and convenient to maintain; the combination mode can be flexibly changed according to the surrounding environment while wind-photovoltaic-energy storage combined power generation is achieved; and when the power generation system is longitudinally superposed and combined, the longitudinal space can be fully used, thereby reducing the occupied area of the power generation system, and effectively improving the energy utilization efficiency.

Description

A combined wind, solar and storage combined power generation system

This application claims priority to the Chinese patent application submitted to the China Patent Office on September 1, 2022, with the application number 202211063013.4 and the invention name "A combined wind, solar and storage combined power generation system", the entire content of which is incorporated herein by reference. Applying.

Technical field

The invention relates to the technical field of wind and photovoltaic power generation, and in particular to a combined wind, photovoltaic and storage combined power generation system.

Background technique

Nowadays, population density continues to increase, industrialization continues to progress, and people's demand for energy is increasing day by day. New energy technologies have also emerged and developed rapidly. Wind energy and photovoltaic energy have been widely used as representative new energy sources.

With the continuous development and in-depth exploration of new energy technologies, problems encountered when using new energy production capacity have also emerged. Both wind energy and photovoltaic energy can be classified into the scope of intermittent energy. One of the characteristics of this energy is its randomness and instability. Therefore, solving the randomness and instability of intermittent energy is a hot issue in current research. Among them, as for the improvement methods of wind energy and photovoltaic energy, most of the existing technologies adopt the method of wind and solar complementary combined power generation to improve the utilization rate of wind energy and photovoltaic energy.

However, when choosing a construction site for a combined wind, solar, and storage power station, the requirements for the surrounding environment are often very stringent, and because solar photovoltaic panels and other facilities occupy a large area, there are also certain requirements for the usable area of the construction site. Therefore, how to improve the energy utilization efficiency of wind, solar, and storage combined power generation systems and reduce the footprint of the power generation system is a direction worth studying.

Contents of the invention

The purpose of the present invention is to provide a combined wind, solar, and storage combined power generation system with higher energy utilization efficiency, smaller footprint, and more flexible application scenarios to address the above problems.

In order to achieve the above objectives, the specific technical solution of a combined wind, solar and storage combined power generation system of the present invention is as follows:

A combined wind, photovoltaic and storage combined power generation system, including: an electric energy rectification storage unit, a superposition group A combination mechanism, a column and multiple groups of wind and photovoltaic power generation units. Multiple groups of the wind and photovoltaic power generation units are stacked and combined, and at least one group of the wind and photovoltaic power generation units are fixedly connected to the columns. Two adjacent groups of the wind and photovoltaic power generation units are connected by the said wind and photovoltaic power generation units. The superimposed combination mechanisms are connected to each other, and each group of wind and solar power generation units is electrically connected to the electric energy rectification and storage unit. The column is also provided with a storage platform, and the electric energy rectification and storage unit is arranged on the storage platform.

According to an embodiment of the present invention, the superimposed combination mechanism includes multiple sets of connecting rods and connecting blocks. The connecting rods are arranged around each group of wind and photovoltaic power generation units, and at least one group of the connecting rods is connected to the wind and photovoltaic power generation units. Fixed connection, two adjacent groups of connecting rods are connected through the connecting blocks.

According to an embodiment of the present invention, fastening mechanisms are provided at both ends of the connecting rod, and fixing holes corresponding to the fastening mechanisms are provided on the connecting block.

According to an embodiment of the present invention, the connecting rod has a hollow structure and is provided with through holes at both ends. The fastening mechanism includes a telescopic screw, a spring, a spring washer and a fastening sleeve. One end of the telescopic screw is provided with The nut is embedded in the inner cavity of the connecting rod, and the other end is threaded and extends outward through the through hole. The fastening sleeve is sleeved on the threaded end of the telescopic screw, and the spring washer A piece is arranged between the connecting rod and the fastening sleeve, one end of the spring is connected to the spring washer, and the other end is connected to the telescopic screw. When the spring is in a released state, the telescopic screw One end provided with threads protrudes from the fastening sleeve. When the spring is in a compressed state, the end provided with threads of the telescopic screw retracts into the fastening sleeve.

According to an embodiment of the present invention, the telescopic screw is further provided with a positioning block, the spring is connected to the telescopic screw through the positioning block, and the fastening sleeve is provided with a positioning block corresponding to the positioning block. Locating slot.

According to an embodiment of the present invention, the wind and photovoltaic power generation unit includes: a wind generator, a fixed frame and a solar photovoltaic panel. The fixed frame is arranged around the wind turbine, and the solar photovoltaic panel is arranged along the edge of the fixed frame. And a plurality of the solar photovoltaic panels together form a bell mouth, and the small mouth side of the bell mouth is close to the wind turbine.

According to an embodiment of the present invention, the wind turbine is a vertical axis wind turbine.

According to an embodiment of the present invention, the solar photovoltaic panel is a transparent double-sided solar photovoltaic panel or a translucent double-sided solar photovoltaic panel.

According to an embodiment of the present invention, the electric energy rectification storage unit includes an electric energy rectification controller and a battery pack. The electric energy rectification controller is electrically connected to each group of wind and photovoltaic power generation units. The battery group is connected to the electric energy rectification control unit. electrical connection.

The combined wind-solar-storage combined power generation system of the present invention has the following advantages: simple structure and convenient maintenance. Through the superposition and combination method of the present invention, the vertical space can be fully utilized, the floor space of the power generation system can be reduced, and the power generation system can be installed on the column. The storage platform facilitates maintenance work on the power generation system and improves maintenance convenience. In addition, the uniquely designed wind and photovoltaic power generation unit can receive wind energy and light energy from multiple directions at the same time, effectively improving energy utilization efficiency.

Instructions with pictures

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the drawings of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic three-dimensional structural diagram of an embodiment of the present invention;

Figure 2 is a schematic perspective view of the planar structure at position A in Figure 1;

Figure 3 is a schematic structural diagram of the wind photovoltaic power generation unit in this embodiment.

Description of markings in the picture:
1. Electric energy rectification storage unit; 11. Electric energy rectification controller; 12. Battery pack;
2. Superimposed combination mechanism; 21. Connecting rod; 22. Connecting block;
3. Wind and photovoltaic power generation unit; 31. Wind turbine; 32. Fixed frame; 33. Solar photovoltaic panels;
4. Fastening mechanism; 41. Telescopic screw; 42. Spring; 43. Spring washer; 44. Fastening sleeve; 45. Positioning block; 46. Positioning slot;
5. Fixing holes; 6. Columns; 7. Storage platform; 8. 5G signal transmission equipment.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention. Not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "horizontal", "upper", "lower", "front", "back", "left" and "right" The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing this document. The embodiments and simplified descriptions of the invention do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be construed as limiting the embodiments of the invention. Furthermore, the terms “first”, “second” and “third” are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Or integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood in specific situations.

In the embodiment of the present invention, unless otherwise expressly provided and limited, the first feature "on" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in intermediate contact. Indirect media contact. Furthermore, the terms "above", "above" and "above" the first feature is above the second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature. "Below", "below" and "beneath" the first feature to the second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature has a smaller horizontal height than the second feature.

In the description of this specification, reference to the terms "one embodiment,""someembodiments,""anexample,""specificexamples," or "some examples" or the like means that specific features are described in connection with the embodiment or example. , structures, materials or features are included in at least one embodiment or example of embodiments of the present invention. In this specification, the schematic expressions of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. In addition, when there is no mutual In case of conflict, those skilled in the art may combine and combine different embodiments or examples described in this specification and features of different embodiments or examples.

The specific implementation of a combined wind, photovoltaic and storage combined power generation system of the present invention is described below with reference to Figures 1 to 3:

As shown in Figure 1 , an embodiment of the present invention provides a combined wind, solar, and storage combined power generation system, which mainly includes an electric energy rectification and storage unit, a superposition combination mechanism, a column 6, and three groups of wind and solar power generation units 3. Among them, three groups of wind and photovoltaic power generation units 3 are vertically stacked and combined together, and the bottom wind and photovoltaic power generation unit 3 is fixedly connected to the column 6. Two adjacent groups of wind and photovoltaic power generation units 3 are connected to each other through a superimposed combination mechanism to realize multiple groups of wind and photovoltaic power generation units 3. The vertical stacking can reduce the area occupied by wind, solar, and storage combined power generation systems and improve resource utilization efficiency. Each group of wind and photovoltaic power generation units 3 is electrically connected to the electric energy rectification and storage unit 1. After the power converted by each wind and photovoltaic power generation unit 3 is rectified, transformed and stored, it can be transmitted to the external power supply system. A storage platform 7 can also be provided on the column 6, and the electric energy rectification and storage unit can be arranged on the storage platform 7, and the storage platform 7 can also be used as a foothold for maintenance employees when they perform maintenance on the power generation system, improving the convenience of maintenance work for employees. sex. In addition, facilities such as 5G signal transmission equipment 8 can also be installed on the storage platform 7 to expand more functions.

The electric energy rectification and storage unit 1 may include an electric energy rectification controller 11 and a battery pack 12. The electric energy rectification controller 11 is electrically connected to each group of wind and photovoltaic power generation units 3, and rectifies the electric energy converted by each group of wind and photovoltaic power generation units 3. Transform the voltage, and then transport the rectified and transformed electrical energy to the battery pack 12 for storage.

The superposition combination mechanism 2 in this embodiment can be composed of multiple sets of connecting rods 21 and connecting blocks 22 . The connecting rods 21 can be arranged around each group of wind and photovoltaic power generation units 3 and at least one group of connecting rods 21 is fixed to the wind and photovoltaic power generation units 3 Two adjacent groups of connecting rods 21 are connected through connecting blocks 22. Such a ball joint type combination mechanism can be combined into a suitable combination according to the surrounding environment during the construction process, and the application scenario is more flexible.

As shown in FIG. 2 , fastening mechanisms 4 can also be provided at both ends of the connecting rod 21 . The connecting block 22 is provided with fixing holes 5 corresponding to the fastening mechanisms 4 to achieve mutual fixation of the connecting rod 21 and the connecting block 22 . In this embodiment, the connecting rod 21 used has a hollow structure and is provided with through holes at both ends. The fastening mechanism 4 includes a telescopic screw 41, a spring 42, a spring washer 43 and a fastening sleeve 44. One end of the telescopic screw 41 may be provided with a nut and embedded in the inner cavity of the connecting rod 21 , and the other end may be provided with threads and extend outward through the through hole. The tightening sleeve 44 can be sleeved on the threaded end of the telescopic screw 41, the spring washer 43 is provided between the connecting rod 21 and the tightening sleeve 44, one end of the spring 42 can be connected to the spring washer 43, and the other end of the spring 42 can be connected to the spring washer 43. One end is connected to the telescopic screw 41. When the spring 42 is in the released state, the threaded end of the telescopic screw 41 protrudes from the tightening sleeve 44; when the spring 42 is in the compressed state, the threaded end of the telescopic screw 41 retreats into the tightening sleeve 44. A positioning block 45 can also be provided on the telescopic screw 41 and connected to the spring 43 through the positioning block 45. A positioning groove 46 corresponding to the positioning block 45 is provided on the fastening sleeve 44 to ensure that the fastening sleeve 44 can The telescopic screw 41 is driven to rotate.

When installing the connecting rod 21 and the connecting block 22, you can first retract the telescopic screw 41 into the fastening sleeve 44 by pressing the telescopic screw 41 or sliding the positioning block 45 in the positioning groove 46. At this time, the spring 42 is in a compressed state. , when the telescopic screw 41 moves to the position of the corresponding fixing hole 5 on the connecting block 22, the telescopic screw 41 is released, the telescopic screw 41 pops out, and then the tightening sleeve 44 can be rotated by a wrench or other tools to drive the telescopic screw 41 to rotate. When rotating, the telescopic screw 41 can be screwed into the fixing hole 5 through threads to realize the connection between the connecting rod 21 and the connecting block 22 . When disassembling, you only need to unscrew the telescopic screw rod 41 out of the fixing hole 5, and slide the positioning block 45 in the positioning groove 46 to retract the telescopic screw rod 41 into the fastening sleeve 44, so that the connection between the connecting rod 21 and the connecting block 22 can be realized. This node-type structure makes the superimposed combination mechanism easier to assemble, disassemble and maintain.

As shown in Figure 3, the wind and photovoltaic power generation unit 3 in this embodiment can be composed of a wind turbine 31, a fixed frame 32 and a solar photovoltaic panel 33. The wind turbine 31 can be a vertical axis wind turbine, which can receive electricity from multiple directions. of wind energy. The fixing bracket 32 can be arranged around the wind turbine 31 to fix the position of the wind turbine 31 . The solar photovoltaic panels 33 can be arranged along the edge of the fixed frame 32, and multiple solar photovoltaic panels 33 can jointly form a bell mouth. The small mouth side of the bell mouth is close to the wind turbine 31, which can collect solar energy and achieve the effect of gathering wind at the same time. , improve the utilization efficiency of wind energy. In addition, the solar photovoltaic panel 33 can also be a transparent double-sided solar photovoltaic panel or a translucent double-sided solar photovoltaic panel to further improve the utilization efficiency of solar energy.

In addition, the combined wind, solar, and storage combined power generation system provided in this embodiment is in the shape of a prism as a whole. In other embodiments, the combined wind, solar, and storage combined power generation system can also be in the shape of a cylinder or a tower, and is connected through connecting rods 21 and The free combination of blocks 22 can be appropriately selected according to different usage scenarios. Appropriate stacking combination method.

The combined wind-solar-storage combined power generation system of the present invention has the following advantages: simple structure and convenient maintenance. Through the superposition and combination method of the present invention, the vertical space can be fully utilized, the floor space of the power generation system can be reduced, and the power generation system can be installed on the column. The storage platform facilitates maintenance work on the power generation system and improves maintenance convenience. In addition, the uniquely designed wind and photovoltaic power generation unit can receive wind energy and light energy from multiple directions at the same time, effectively improving energy utilization efficiency.

Although the present invention has been described in detail with general descriptions and specific examples above, it is obvious to those skilled in the art that some modifications or improvements can be made on the basis of the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all fall within the scope of protection claimed by the present invention.

Claims (9)

A combined wind and solar power generation system, which is characterized in that it includes: an electric energy rectification and storage unit, a superposition combination mechanism, a column and multiple groups of wind and solar power generation units, multiple groups of wind and solar power generation units are superimposed and combined, and at least one group of wind and solar power generation units is combined The unit is fixedly connected to the column. Two adjacent groups of wind and photovoltaic power generation units are connected to each other through the superposition combination mechanism. Each group of wind and photovoltaic power generation units is electrically connected to the electric energy rectification and storage unit. The column A storage platform is also provided, and the electric energy rectification and storage unit is arranged on the storage platform. A combined wind, solar, and storage combined power generation system according to claim 1, wherein the superimposed combination mechanism includes multiple sets of connecting rods and connecting blocks, and the connecting rods are arranged around each group of wind and solar power generation units. At least one group of the connecting rods is fixedly connected to the wind and photovoltaic power generation unit, and two adjacent groups of the connecting rods are connected through the connecting blocks. A combined wind, solar, and storage combined power generation system according to claim 2, characterized in that fastening mechanisms are provided at both ends of the connecting rod, and fixing holes corresponding to the fastening mechanisms are provided on the connecting block. . A combined wind, solar, and storage combined power generation system according to claim 3, characterized in that the connecting rod is a hollow structure with through holes at both ends, and the fastening mechanism includes a telescopic screw, a spring, and a spring washer. and a fastening sleeve. One end of the telescopic screw rod is provided with a nut and is embedded in the inner cavity of the connecting rod. The other end is provided with a thread and extends outward through the through hole. The fastening sleeve is sleeved on the connecting rod. One end of the telescopic screw is threaded, and the spring washer is provided between the connecting rod and the fastening sleeve. One end of the spring is connected to the spring washer, and the other end is connected to the telescopic screw. , when the spring is in the released state, the threaded end of the telescopic screw protrudes from the tightening sleeve; when the spring is in the compressed state, the threaded end of the telescopic screw retreats into the tightening sleeve. inside the solid sleeve. A combined wind, solar and energy storage combined power generation system according to claim 4, characterized in that the telescopic screw is further provided with a positioning block, the spring is connected to the telescopic screw through the positioning block, and the tightening screw The solid sleeve is provided with a positioning groove corresponding to the positioning block. A combined wind-solar-storage power generation system according to claim 1, characterized in that the wind-solar power generation unit includes: a wind generator, a fixed frame and a solar photovoltaic panel, and the fixed frame is arranged around the wind generator. , the solar photovoltaic panels are arranged along the edge of the fixed frame and a plurality of the solar photovoltaic panels together form a bell mouth, and the small mouth side of the bell mouth is close to The wind turbine. A combined wind-solar-storage power generation system according to claim 6, characterized in that the wind turbine is a vertical axis wind turbine. A combined wind-solar-storage combined power generation system according to claim 6, characterized in that the solar photovoltaic panels are transparent double-sided solar photovoltaic panels or translucent double-sided solar photovoltaic panels. A combined wind-solar-storage combined power generation system according to claim 1, characterized in that the electric energy rectification and storage unit includes an electric energy rectification controller and a battery pack, and the electric energy rectification controller is electrically connected to each group of wind-solar power generation units respectively. The battery pack is electrically connected to the electric energy rectifier controller.