Mechanical integration architecture of a wind power flywheel energy storage frequency modulation power station

Abstract

This invention discloses a mechanically integrated architecture for a wind turbine flywheel energy storage frequency regulation power station, comprising an integrated base, a cooling and protection mechanism, a dust removal mechanism, a wind turbine drive integrated unit, a flywheel energy storage integrated unit, and a frequency regulation execution integrated unit. The cooling and protection mechanism is located on the top surface of the integrated base, the dust removal mechanism is located on the back of the cooling and protection mechanism, the wind turbine drive integrated unit is located inside the cooling and protection mechanism, the flywheel energy storage integrated unit is located beside the wind turbine drive integrated unit and connected to the integrated base, and the frequency regulation execution integrated unit is located on the side of the flywheel energy storage integrated unit and connected to the integrated base. This invention relates to the fields of wind power energy storage and grid frequency regulation technology. By adopting an integrated architecture, this invention integrates wind turbine drive, flywheel energy storage, frequency regulation execution, and auxiliary support units onto an integrated base, significantly reducing the power station's footprint and lowering its construction costs.

Description

Technical Field

[0001] This invention relates to the fields of wind power energy storage and grid frequency regulation technology, specifically a mechanical integrated architecture for a wind power flywheel energy storage frequency regulation power station. Background Technology

[0002] With the rapid development of the wind power industry and the continuous expansion of grid-connected wind power, the intermittent and fluctuating nature of wind energy leads to significant impacts on grid frequency after grid connection, affecting grid stability. Flywheel energy storage technology, due to its advantages such as fast response, long charge / discharge lifespan, and environmental friendliness, has become an important technical means to solve the wind power frequency regulation problem. Through the charging and discharging regulation of flywheel energy storage systems, wind power fluctuations can be quickly smoothed out, maintaining grid frequency stability.

[0003] Existing wind turbine flywheel energy storage frequency regulation power stations mostly adopt a decentralized layout, with each functional unit (such as the wind turbine drive unit, flywheel energy storage unit, and frequency regulation execution unit) installed independently. This results in large power station footprints, low integration, and high construction costs. At the same time, flywheel energy storage systems generate a lot of heat and vibration during high-speed operation and are sensitive to environmental dust. Current technologies lack a unified mechanical integration architecture that can simultaneously solve the problems of heat dissipation, dust removal, vibration reduction, and precise positioning.

[0004] To address these issues, the present invention provides a mechanically integrated architecture for a wind turbine flywheel energy storage frequency regulation power station. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a mechanically integrated architecture for a wind turbine flywheel energy storage frequency regulation power station, thus solving the aforementioned problems.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a mechanical integrated architecture for a wind turbine flywheel energy storage frequency regulation power station, comprising: an integrated base, a cooling and protection mechanism, a dust removal mechanism, a wind turbine transmission integrated unit, a flywheel energy storage integrated unit, and a frequency regulation execution integrated unit. The cooling and protection mechanism is disposed on the top surface of the integrated base, the dust removal mechanism is disposed on the back of the cooling and protection mechanism, the wind turbine transmission integrated unit is disposed inside the cooling and protection mechanism, the flywheel energy storage integrated unit is disposed beside the wind turbine transmission integrated unit and connected to the integrated base, and the frequency regulation execution integrated unit is disposed on the side of the flywheel energy storage integrated unit and connected to the integrated base.

[0007] The dust removal mechanism includes a support, an air outlet, a pulse mechanism, a filter bag, and a fixing frame. The top of the support is fixedly connected to a housing by bolts, and the bottom of the housing is fixedly connected to a dust hopper by bolts, and the two are connected. The bottom of the dust hopper is provided with a dust collection box, and the two are connected. The surface of the housing is fixedly connected to a bracket by bolts. The pulse mechanism is located on the top surface of the bracket and extends into the interior of the housing, where it is connected to the fixing frame inside the dust collection box by bolts. The fixing frame is fixedly installed on the inner wall of the housing.

[0008] Preferably, the filter bag is located inside the housing, and the upper and lower ends of the filter bag are fixedly connected to the mounting bracket by bolts. The mounting bracket is connected to the inner walls of the front and rear sides of the housing by bolts. The air outlet is located on the top surface of the housing and the two are connected.

[0009] Preferably, the pulse mechanism includes an air chamber and pulse valves. The air chamber is located on the top surface of the support, and the pulse valves are arranged in a linear array on the top surface of the air chamber via air pipes.

[0010] Preferably, the output ports of the multiple pulse valves arranged in a linear array are connected to one end of the blowpipe, the outer wall of the blowpipe is provided with a pulse port, and the end of the blowpipe away from the pulse valve is connected to the fixing frame by bolts.

[0011] Preferably, the cooling and protection mechanism includes a protective shell and a cooling fan. The protective shell has heat dissipation holes on both sides. A connecting pipe is fixedly connected to the back of the protective shell and communicates with the connecting pipe. The connecting pipe is connected to the ash hopper and an industrial-grade vacuum cleaner is connected to the outside of the connecting pipe.

[0012] Preferably, the cooling fan is located in the middle of the top surface of the protective housing, and an inspection door is connected to the surface of the protective housing via a hinge. A sealing ring is fixedly connected to the outer ring of the inner wall of the inspection door.

[0013] Preferably, the protective shell has connecting posts fixedly connected to the four corners of its top surface, and a protective top plate is fixedly connected to the top surface of the four connecting posts.

[0014] Preferably, the integrated base includes a base body, which is connected to the bottom surface of the protective shell by bolts. The four corners of the bottom surface of the base body are provided with leveling feet. The bottom end of the damping rod on the top surface of the base body is fixedly connected, and the top surface of the damping rod is fixedly connected with a buffer shock-absorbing plate.

[0015] Preferably, the top surface of the buffer damping plate is provided with positioning grooves, which are arranged in a linear array on the top surface of the buffer damping plate. The multiple positioning grooves are respectively inserted into the plugs on the bottom surface of the wind power transmission integrated unit, the flywheel energy storage integrated unit, and the frequency modulation execution integrated unit.

[0016] Beneficial effects

[0017] This invention provides a mechanically integrated architecture for a wind turbine flywheel energy storage frequency regulation power station. Compared with existing technologies, it has the following advantages:

[0018] (1) The mechanical integrated architecture of the wind power flywheel energy storage frequency regulation power station adopts an integrated architecture, which integrates wind power transmission, flywheel energy storage, frequency regulation execution and auxiliary support units on the integrated base, replacing the traditional decentralized layout, greatly reducing the land area of ​​the power station, improving space utilization and reducing the construction cost of the power station.

[0019] (2) The mechanical integrated architecture of the wind turbine flywheel energy storage frequency regulation power station has a positioning groove and a buffer damping layer on the integrated base. The positioning groove can accurately position each integrated unit to ensure installation accuracy. The buffer damping layer adopts a combination structure of rubber damping pads and damping rods, which can effectively absorb the vibration generated during the operation of the equipment, reduce the wear of mechanical parts by vibration, extend the service life of the equipment, and at the same time avoid vibration from affecting the frequency regulation accuracy and improve the stability of system operation.

[0020] (3) The mechanical integration architecture of this wind turbine flywheel energy storage frequency regulation power station links the cooling and protection mechanism with the dust removal mechanism: the cooling fan and heat dissipation holes achieve active air cooling, the connecting pipe introduces dust-laden hot air into the dust removal mechanism, and after being filtered by the filter bag, the clean air is discharged from the air outlet. The pulse mechanism periodically back-blown to clean the filter bag, and the dust hopper collects the dust and it falls into the dust collection box. This device realizes the integrated coordination of heat dissipation and dust removal, effectively solves the problems of heat management and cleanliness control when the flywheel energy storage system is running at high speed, and ensures the long-term stable operation of the system. Attached Figure Description

[0021] Figure 1 This is a three-dimensional view of the overall structure of the present invention; Figure 2 This is a cross-sectional view of the mechanical integration architecture of the present invention; Figure 3 This is a schematic diagram of the mechanical integration architecture of the present invention; Figure 4 This is a schematic diagram of the dust removal mechanism of the present invention; Figure 5 This is a cross-sectional view of the dust removal mechanism of the present invention; Figure 6 This is a schematic diagram of the pulse mechanism of the present invention.

[0027] In the diagram: 1. Integrated base; 11. Base body; 12. Leveling support; 13. Damping rod; 14. Buffer and shock absorption plate; 15. Positioning groove; 2. Cooling and protection mechanism; 21. Protective shell; 22. Inspection door; 23. Heat dissipation hole; 24. Cooling fan; 25. Protective top plate; 26. Connecting column; 3. Dust removal mechanism; 31. Support; 32. Ash collection box; 33. Ash hopper; 34. Box body; 35. Air outlet; 27. Connecting pipe; 36. Pulse mechanism; 361. Air tank; 362. Blower pipe; 363. Pulse valve; 37. Bracket; 38. Filter bag; 39. Mounting bracket; 310. Fixing bracket; 4. Wind power transmission integrated unit; 5. Flywheel energy storage integrated unit; 6. Frequency modulation execution integrated unit. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Example:

[0030] Please see Figure 1-6 A mechanical integrated architecture for a wind turbine flywheel energy storage frequency regulation power station includes an integrated base 1, a cooling and protection mechanism 2, a dust removal mechanism 3, a wind turbine transmission integrated unit 4, a flywheel energy storage integrated unit 5, and a frequency regulation execution integrated unit 6. The cooling and protection mechanism 2 is located on the top surface of the integrated base 1, the dust removal mechanism 3 is located on the back of the cooling and protection mechanism 2, the wind turbine transmission integrated unit 4 is located inside the cooling and protection mechanism 2, the flywheel energy storage integrated unit 5 is located beside the wind turbine transmission integrated unit 4 and connected to the integrated base 1, and the frequency regulation execution integrated unit 6 is located on the side of the flywheel energy storage integrated unit 5 and connected to the integrated base 1. The integrated base 1 is used to integrate and install the flywheel energy storage integrated unit 5, the flywheel energy storage integrated unit 5, the frequency regulation execution integrated unit 6, and other units onto the base body 11. The cooling and protection mechanism 2 is used for cooling and protecting the integrated units inside the wind turbine transmission integrated unit 4, the flywheel energy storage integrated unit 5, and the frequency regulation execution integrated unit 6. The dust removal mechanism 3 is used for dust removal inside the device.

[0031] Please see Figure 1-3A mechanical integrated architecture for a wind turbine flywheel energy storage frequency regulation power station is disclosed. The integrated base 1 includes a base body 11, which is connected to the bottom surface of a protective shell 21 by bolts. Leveling feet 12 are provided at the four corners of the bottom surface of the base body 11. The bottom ends of damping rods 13 on the top surface of the base body 11 are fixedly connected to the base body 11, and a buffer damping plate 14 is fixedly connected to the top surface of the damping rods 13. Positioning grooves 15 are linearly arrayed on the top surface of the buffer damping plate 14. Multiple positioning grooves 15 are respectively inserted into the inserts on the bottom surfaces of the wind turbine drive integrated unit 4, the flywheel energy storage integrated unit 5, and the frequency regulation execution integrated unit 6. The leveling feet 12 at the four corners of the bottom surface of the base body 11 are used to adjust the levelness of the entire architecture. Multiple damping rods 13 are fixedly connected to the top surface of the base body 11, and a buffer damping plate 14 is fixedly connected to the top of each damping rod 13. The damping plate 14 can be a composite structure of rubber and steel plate, forming a two-stage damping system together with the damping rod 13. The top surface of the damping plate 14 has multiple positioning grooves 15 arranged in a linear array. The bottom surfaces of the wind power transmission integrated unit 4, the flywheel energy storage integrated unit 5, and the frequency modulation execution integrated unit 6 are all equipped with inserts that match the positioning grooves 15, achieving rapid and accurate positioning and stable connection through insertion.

[0032] Please see Figure 1-3 A mechanically integrated architecture for a wind turbine flywheel energy storage frequency regulation power station is disclosed. A cooling fan 24 is located in the center of the top surface of a protective housing 21. A maintenance door 22 is hinged to the surface of the protective housing 21, and a sealing ring is fixedly connected to the outer ring of the inner wall of the maintenance door 22. Connecting posts 26 are fixedly connected to the four corners of the top surface of the protective housing 21, and protective top plates 25 are fixedly connected to the top surfaces of the four connecting posts 26. The front of the protective housing 21 has a maintenance door 22 with a sealing ring, and ventilation holes 23 are provided on both sides. The cooling fan 24 is installed in the center of the top surface of the protective housing 21, and the protective top plates 25 are fixed to the four corners of the top surface via connecting posts 26 for rain and dust protection. A connecting pipe 27 is fixed to the back of the protective housing 21, and this connecting pipe 27 communicates with the interior of the protective housing 21.

[0033] Please see Figure 4-6A mechanical integrated architecture for a wind turbine flywheel energy storage frequency regulation power station includes a dust removal mechanism 3 comprising a support 31, an air outlet 35, a pulse mechanism 36, filter bags 38, and a fixing frame 310. A housing 34 is bolted to the top of the support 31, and a dust hopper 33 is bolted to the bottom of the housing 34, with the two connected. A dust collection box 32 is located at the bottom of the dust hopper 33, also connected. A bracket 37 is bolted to the surface of the housing 34. The pulse mechanism 36 is located on the top surface of the bracket 37 and extends into the housing 34, where it is bolted to the fixing frame 310 inside the dust collection box 32. The fixing frame 310 is fixedly installed on the inner wall of the housing 34. Filter bags 38 are located inside the housing 34, with their upper and lower ends bolted together. A mounting bracket 39 is connected to the inner walls of the front and rear sides of the housing 34 by bolts. An air outlet 35 is located on the top surface of the housing 34 and is connected to it. The pulse mechanism 36 includes an air tank 361 and pulse valves 363. The air tank 361 is located on the top surface of the bracket 37. The pulse valves 363 are arranged in a linear array on the top surface of the air tank 361 through air pipes. The output ports of the multiple linearly arrayed pulse valves 363 are connected to one end of the blowpipe 362. The outer wall of the blowpipe 362 has a pulse port. The end of the blowpipe 362 away from the pulse valves 363 is connected to the fixing bracket 310 by bolts. The connecting pipe 27 is connected to the side interface of the dust hopper 33 of the dust removal mechanism 3, and the connecting pipe 27 is also connected to an industrial-grade vacuum cleaner to provide active suction power. The dust removal mechanism 3 has the following structure: a box 34 is fixed to the top of the support 31, and a funnel-shaped ash hopper 33 is connected to the bottom of the box 34. The bottom of the ash hopper 33 is connected to the ash collection box 32. Multiple filter bags 38 are vertically installed inside the box 34 via mounting brackets 39, with the openings of the filter bags 38 facing upwards. An air outlet 35 is provided on the top surface of the box 34. A pulse mechanism 36 is fixed to the outside of the box 34 via a bracket 37. The pulse mechanism 36 includes an air manifold 361 and multiple pulse valves 363. Each pulse valve 363 is connected to a blowpipe 362 that extends downwards into the box 34. The blowpipe 362 is located at the upper opening of the filter bags 38, and a pulse port is provided on the blowpipe 362. The bottom end of the blowpipe 362 is fixed to the inner wall of the box 34 via a fixing bracket 310.

[0034] Please see Figure 1-6The working principle of a mechanical integrated architecture for a wind turbine flywheel energy storage frequency regulation power station is as follows: A cooling fan 24 and heat dissipation holes 23 expel hot air from inside the protective housing 21. Simultaneously, an industrial-grade vacuum cleaner actively extracts dust-laden air from inside the protective housing 21 via a connecting pipe 27 and sends it to the dust hopper 33 of the dust removal mechanism 3. The dust-laden airflow passes from bottom to top through the filter bag 38, where dust is trapped on the outer surface of the filter bag 38, and clean air is discharged from the outlet 35. After a period of operation, the pulse valve 363 intermittently opens, and the high-pressure gas in the air tank 361 is instantly injected into the filter bag 38 through the pulse nozzle on the blowpipe 362, generating a reverse impact airflow that causes the filter bag 38 to rapidly expand and shake, dislodging the dust adhering to its outer surface into the dust hopper 33 and then into the dust collection box 32, achieving automatic dust removal. The wind power transmission integrated unit 4 receives wind energy and converts it into mechanical or electrical energy. The flywheel energy storage integrated unit 5 charges and discharges according to frequency regulation commands, and the frequency regulation execution integrated unit 6 controls the grid connection and power regulation of the entire system. Each unit is precisely installed on the buffer damping plate 14 through the positioning groove 15, and together with the damping rod 13, it effectively isolates external vibration and mutual vibration between units, ensuring frequency tuning accuracy and mechanical life.

[0035] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0036] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mechanically integrated architecture for a wind turbine flywheel energy storage frequency regulation power station, characterized in that, include: The integrated base (1), cooling protection mechanism (2), dust removal mechanism (3), wind power transmission integrated unit (4), flywheel energy storage integrated unit (5), and frequency modulation execution integrated unit (6) are provided. The cooling protection mechanism (2) is located on the top surface of the integrated base (1), the dust removal mechanism (3) is located on the back of the cooling protection mechanism (2), the wind power transmission integrated unit (4) is located inside the cooling protection mechanism (2), the flywheel energy storage integrated unit (5) is located on the side of the wind power transmission integrated unit (4) and is connected to the integrated base (1), and the frequency modulation execution integrated unit (6) is located on the side of the flywheel energy storage integrated unit (5) and is connected to the integrated base (1). The dust removal mechanism (3) includes a support (31), an air outlet (35), a pulse mechanism (36), a filter bag (38), and a fixing frame (310). The top of the support (31) is fixedly connected to a box (34) by bolts. The bottom of the box (34) is fixedly connected to a ash hopper (33) by bolts, and the two are connected. The bottom of the ash hopper (33) is provided with an ash collection box (32), and the two are connected. The surface of the box (34) is fixedly connected to a bracket (37) by bolts. The pulse mechanism (36) is located on the top surface of the bracket (37) and extends into the interior of the box (34) and is connected to the fixing frame (310) inside the ash collection box (32) by bolts. The fixing frame (310) is fixedly installed on the inner wall of the box (34).

2. The mechanical integration architecture of a wind turbine flywheel energy storage frequency regulation power station according to claim 1, characterized in that, The filter bag (38) is located inside the box (34). The upper and lower ends of the filter bag (38) are fixedly connected to the mounting bracket (39) by bolts. The mounting bracket (39) is connected to the inner walls of the front and rear sides of the box (34) by bolts. The air outlet (35) is located on the top surface of the box (34) and the two are connected.

3. The mechanical integration architecture of a wind turbine flywheel energy storage frequency regulation power station according to claim 1, characterized in that, The pulse mechanism (36) includes an air bag (361) and a pulse valve (363). The air bag (361) is located on the top surface of the support (37), and the pulse valve (363) is arranged in a linear array on the top surface of the air bag (361) through air pipes.

4. The mechanical integration architecture of a wind turbine flywheel energy storage frequency regulation power station according to claim 3, characterized in that, The output ports of multiple pulse valves (363) arranged in a linear array are connected to one end of a blowpipe (362). The outer wall of the blowpipe (362) is provided with a pulse port. The end of the blowpipe (362) away from the pulse valves (363) is connected to the fixing frame (310) by bolts.

5. The mechanical integration architecture of a wind turbine flywheel energy storage frequency regulation power station according to claim 1, characterized in that, The cooling protection mechanism (2) includes a protective shell (21) and a cooling fan (24). The protective shell (21) has heat dissipation holes (23) on both sides. A connecting pipe (27) is fixedly connected to the back of the protective shell (21) and is connected to the connecting pipe (27). The connecting pipe (27) is connected to the ash hopper (33). An industrial-grade vacuum cleaner is connected to the outside of the connecting pipe (27).

6. The mechanical integration architecture of a wind turbine flywheel energy storage frequency regulation power station according to claim 5, characterized in that, The cooling fan (24) is located in the middle of the top surface of the protective housing (21). The surface of the protective housing (21) is connected to the inspection door (22) by a hinge. The outer ring of the inner wall of the inspection door (22) is fixedly connected to a sealing ring.

7. The mechanical integration architecture of a wind turbine flywheel energy storage frequency regulation power station according to claim 6, characterized in that, The protective shell (21) has four corners on its top surface fixedly connected with connecting posts (26), and the top surfaces of the four connecting posts (26) are fixedly connected with protective top plates (25).

8. The mechanical integration architecture of a wind turbine flywheel energy storage frequency regulation power station according to claim 6, characterized in that, The integrated base (1) includes a base body (11), which is connected to the bottom surface of the protective shell (21) by bolts. The four corners of the bottom surface of the base body (11) are provided with leveling feet (12). The bottom end of the damping rod (13) on the top surface of the base body (11) is fixedly connected, and the top surface of the damping rod (13) is fixedly connected with a buffer shock-absorbing plate (14).

9. The mechanical integration architecture of a wind turbine flywheel energy storage frequency regulation power station according to claim 8, characterized in that, The top surface of the buffer damping plate (14) is provided with positioning grooves (15), and the positioning grooves (15) are arranged in a linear array on the top surface of the buffer damping plate (14). Multiple positioning grooves (15) are respectively inserted into the plugs on the bottom surface of the wind power transmission integrated unit (4), the flywheel energy storage integrated unit (5), and the frequency modulation execution integrated unit (6).

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