Vertical shaft light-weight blade universal breeze power generation device

By adopting a lightweight blade and grid structure with vertical and dense formation settings on the vertical axis breeze generator, the problem of low wind utilization efficiency when wind direction changes is solved, and efficient wind utilization and stable power generation are achieved under various wind directions.

CN119755004APending Publication Date: 2025-04-04WEIFENG NEW ENERGY TECHNOLOGY (SHANDONG) CO LTD +1
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Patent Information

Application Number
CN202510242413.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

Existing vertical axis breeze generators cannot effectively utilize wind power when the wind direction changes, and their application range is narrow.

Method used

Lightweight blades with vertical and dense formations are adopted, and the grid structure allows the blades to generate force in various wind directions, driving the generator set to operate.

Benefits of technology

It realizes the effective utilization of wind power in all wind directions, improves the wind power utilization efficiency and scope of application, and ensures the stable operation of the generator set through the design of auxiliary generators and brake systems.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a vertical-axis light-weight blade universal breeze power generation device which comprises a tower drum, a stand column, a net rack, blades, a generator set, a mounting base and a bearing mechanism. The net frame is arranged on the stand column, the blades are fixed to the net frame, the tower barrel is hollow, a step ladder for climbing is arranged in the tower barrel, the generator set is fixedly arranged in the tower barrel through the mounting frame, the bottom end of the stand column is connected with the mounting base, the mounting base is arranged on the bearing mechanism and rotationally connected with the bearing mechanism, and the bearing mechanism is arranged at the top end of the tower barrel. One end of the mounting seat is connected with a generator set; blades are blown by breeze to drive the net rack, the stand column and the mounting base to rotate, and then the generator set is driven to rotate for power generation. Through the vertical and dense array arrangement mode of the blades, the wind direction limitation can be avoided, and acting force can be generated in various wind directions to drive a generator set to operate for power generation.
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Description

Technical Field

[0001] The invention belongs to the technical field of wind power generation, and in particular relates to a vertical-axis lightweight blade universal breeze power generation device. Background Art

[0002] A wind turbine is a renewable energy power device that converts the kinetic energy of wind into mechanical energy, and then the generator converts the mechanical energy into electrical energy. Currently, the commonly used wind turbines are divided into two types: horizontal axis wind turbines and vertical axis wind turbines. Horizontal axis wind turbines are usually large-scale generators with high requirements for the location of use, while vertical axis wind turbines are usually small or medium-sized, with a wide range of applicable environments and are more convenient to use.

[0003] After searching, the prior art publication number is CN 118030370 A single wind-collecting blade wind wheel for a vertical axis micro-wind generator, comprising a wind wheel mounting seat, on which a vertical axis wind wheel is mounted, the vertical axis wind wheel comprising a plurality of lightweight blades in an annular shape and arranged at intervals, at least one group of connecting beam groups being fixedly mounted on the inner side surfaces of the lightweight blades, the other end of the connecting beam group being fixedly mounted on the wind wheel mounting seat, a wind-collecting blade being arranged on the connecting beam group corresponding to each lightweight blade, the leading edge of the wind-collecting blade being in abutment with the back surface of the corresponding lightweight blade, a wind-collecting bucket being formed between the two, the present invention can be mounted on a vertical axis wind turbine, and the wind wheel has low requirements on wind speed, can be started in a breeze environment, and can also work normally in a strong wind environment; in the above scheme, the leading edge of the wind-collecting blade is required to be in abutment with the back surface of the corresponding lightweight blade, a wind-collecting bucket is formed between the two, and the wind is blocked by the wind-collecting bucket to make it rotate and run, so the wind-collecting bucket needs to be opposite to the wind direction so that the wind impacts the wind-collecting bucket to realize the maximum utilization of wind force, if the wind direction is in the same direction as the wind-collecting bucket, no wind resistance will be formed, and it cannot be blown to rotate;

[0004] Further searching revealed that the prior art publication number is CN 118601794 A, which is an adaptive breeze power generation system and control method thereof, and provides a breeze control power generation solution;

[0005] Prior art publication number CN 116677561 A discloses a vertical axis wind turbine generator, which discloses a vertical wind power generation scheme capable of automatically adjusting the rotation speed according to the rotation speed of the rotating shaft;

[0006] According to the technical problems encountered in the technical solutions retrieved above, the present invention provides a vertical axis lightweight blade universal breeze power generation device. Summary of the invention

[0007] The purpose of the present invention is to overcome the deficiencies in the prior art and to provide a vertical axis lightweight blade universal breeze power generation device, which, through the vertical and dense array arrangement of the blades, is not restricted by wind direction and can generate force in various wind directions to drive the generator set to generate electricity.

[0008] In order to achieve the above object, the technical solution adopted by the present invention is:

[0009] A vertical axis lightweight blade universal breeze power generation device comprises a tower, a column, a grid, blades, a generator set, a mounting seat, and a bearing mechanism; the grid is arranged on the column, a plurality of blades are arranged and fixed on the grid, the tower is hollow and has a climbing ladder inside, the generator set is fixed inside the tower through a mounting frame, the bottom end of the column is connected to the mounting seat, the mounting seat is arranged on the bearing mechanism and is rotatably connected, the bearing mechanism is arranged at the top of the tower, and one end of the mounting seat is connected to the generator set through a coupling; the blades are driven by breeze to rotate the grid, the column and the mounting seat, thereby driving the generator set to rotate and generate electricity.

[0010] The bearing mechanism includes a fixed seat, a support seat, and a second bearing; the fixed seat is fixedly connected to the inner wall of the tower; the support seat is sleeved on the fixed seat and fixed to each other by a connecting plate and bolts at the bottom; the outer ring of the second bearing is fixed to the support seat by bolts, and a mounting groove is provided at the bottom of the support seat; the mounting seat is fixedly connected to the inner ring of the second bearing by bolts; a fixed shaft is provided on the mounting seat, and a first coupling is provided at the end of the fixed shaft, and the first coupling is connected to the generator set.

[0011] Furthermore, the grid includes a plurality of groups of annular tubes equidistantly distributed up and down, a plurality of groups of equally distributed transverse tubes are arranged on the annular tubes, both ends of the transverse tubes are respectively connected to columns and annular tubes, a plurality of equally distributed vertical tubes are arranged between the upper and lower adjacent transverse tubes and used for fixing and installing blades, and the annular tubes, vertical tubes and transverse tubes cooperate with each other to form a dense grid.

[0012] Furthermore, the angle between the blade and the transverse tube is 18°-25°.

[0013] Furthermore, the optimal angle between the blade and the transverse tube is 20°.

[0014] Furthermore, one end of the fixed shaft is provided with a fixedly connected limit flange and a first bearing and a retaining ring that are sleeved thereon. The first bearing is arranged in the mounting groove, and the retaining ring is arranged below the first bearing. The retaining ring is fixed to the fixed shaft by bolts and cooperates with the limit flange to fix the first bearing.

[0015] Furthermore, a fixing column is provided at the top of the column; a first pull rod is provided on the fixing column, and one end of the first pull rod is connected to the ring tube for auxiliary fixation.

[0016] Furthermore, a fixed rod fixedly connected between the transverse tubes is provided, a second pull rod is provided on the fixed rod, and one end of the second pull rod is connected to the column for auxiliary fixing so that the grid is firmly fixed.

[0017] Furthermore, a second coupling and a motor connected to each other are provided at the bottom of the generator set to realize auxiliary starting of the generator set; the motor drives the second coupling to rotate, thereby driving the generator set to start and run.

[0018] Furthermore, a brake system and brake pads are provided at the bottom of the generator set; the brake pads are fixed on a rotating shaft arranged at the bottom of the generator set; the brake system is fixed on a mounting frame used to support and install the generator set; the rotation speed of the generator set is controlled by the brake system in cooperation with the brake pads, so that it runs at a uniform speed, and it can also be completely locked to ensure safety during maintenance. The solution of the brake system in cooperation with the brake pads is a disc brake technology in the prior art, which will not be elaborated here.

[0019] Furthermore, a first operating platform, a second operating platform and a plurality of door openings are provided on the tower for easy maintenance; and a pre-buried base is provided at the bottom of the tower.

[0020] Furthermore, the ring pipe, vertical pipe, horizontal pipe and blades are made of carbon fiber material, and the column is made of fiberglass.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1) In this scheme, a grid is provided, on which a number of blades are evenly and fixedly arranged, and the blades are arranged vertically, so that there is no restriction on the windward direction, that is, both the left and right sides can achieve wind blocking and thrust generation, so that various wind directions can generate force to drive the columns and the mounting base to rotate so that the generator set can operate and generate electricity; while the setting of the wind collecting bucket used in the comparative document requires that the opening of the wind collecting bucket faces the wind to block the wind and thus generate thrust, and the other end of the wind collecting bucket will form a shear force on the wind due to its narrowness, so that the wind will be dispersed and cannot be blocked to form an effective thrust, so there are certain requirements for the wind direction when it is used, and the scope of application is relatively narrow; further, in the present invention, a motor for assisting the starting of the generator set is also provided under the generator set, which can provide electric power to assist in starting in the process from static to running; at the same time, a brake cylinder and a brake pad matched therewith are also provided under the generator set, and the use of the disc brake technology in the prior art can effectively control the running speed of the generator set to avoid running too fast and overloading, which increases the damage rate of parts;

[0023] 2) The fixed shaft is provided with a first bearing which can cooperate with the second bearing to improve the rotation smoothness of the fixed shaft, thereby reducing the wind force loss rate when driving the fixed shaft to rotate;

[0024] 3) The grid is provided with a first tie rod and a second tie rod that cooperate with each other to effectively fix the grid. Furthermore, the grid is provided with a dense grid through the horizontal tube, vertical tube, ring tube, and fixed rod arranged up and down. Combined with the blades fixed on the vertical tube, the windward area of ​​the blade itself can be effectively expanded, and the breeze can be effectively captured to achieve maximum utilization efficiency of wind power. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Attached Figure 1 This is a schematic diagram of the structure of a vertical axis lightweight blade universal breeze power generation device of the present invention. Figure 1 ;

[0026] Attached Figure 2 This is a schematic diagram of the structure of a vertical axis lightweight blade universal breeze power generation device of the present invention. Figure 2 ;

[0027] Attached Figure 3 Yes Figure 2 A magnified schematic diagram of the local structure;

[0028] Attached Figure 4 It is the top view of the grid;

[0029] Attached Figure 5 It is a schematic diagram of the local structure of the grid;

[0030] Attached Figure 6 This is a schematic diagram of the structure of the bearing mechanism. Figure 1 ;

[0031] Attached Figure 7 This is a schematic diagram of the structure of the bearing mechanism. Figure 2 ;

[0032] Attached Figure 8 This is a schematic diagram of the structural decomposition of the bearing mechanism. Figure 1 ;

[0033] Attached Fig. 9 This is a schematic diagram of the structural decomposition of the bearing mechanism. Figure 2 ;

[0034] In the figure: 1. tower; 11. base; 12. first operating platform; 13. second operating platform; 14. door opening; 2. column; 21. fixed column; 3. grid; 31. ring pipe; 32. vertical pipe; 33. horizontal pipe; 34. fixed rod; 35. first pull rod; 37. second pull rod; 4. generator set; 41. first coupling; 42. second coupling; 43. motor; 44. brake system; 45. brake pad; 5. mounting seat; 51. first bearing; 52. retaining ring; 53. fixed shaft; 54. limiting flange; 6. second bearing; 7. fixed seat; 71. connecting plate; 8. support seat; 81. mounting groove 9. blade. DETAILED DESCRIPTION

[0035] To facilitate the understanding of those skilled in the art, Figure 1-9 , the technical solution of the present invention is further specifically described.

[0036] A vertical axis lightweight blade universal breeze power generation device comprises a tower 1, a column 2, a grid 3, blades 9, a generator set 4, a mounting seat 5, and a bearing mechanism; the grid 3 is arranged on the column 2, the blades 9 are arranged in a plurality of groups and fixed on the grid 3, the tower 1 is hollow and has a ladder for climbing inside, the generator set 4 is fixed inside the tower 1 through a mounting frame, the bottom end of the column 2 is connected to the mounting seat 5, the mounting seat 5 is arranged on the bearing mechanism and is rotatably connected, the bearing mechanism is arranged at the top of the tower 1, and one end of the mounting seat 5 is connected to the generator set 4 through a coupling; the blades 9 are driven by breeze to rotate the grid 3, the column 2 and the mounting seat 5, thereby driving the generator set 4 to rotate and generate electricity.

[0037] The bearing mechanism includes a fixed seat 7, a support seat 8, and a second bearing 6; the fixed seat 7 is fixedly connected to the inner wall of the tower 1; the support seat 8 is sleeved on the fixed seat 7 and fixed to each other at the bottom through a connecting plate 71 and bolts; the outer ring of the second bearing 6 is fixed to the support seat 8 by bolts, and a mounting groove 81 is provided at the bottom of the support seat 8; the mounting seat 5 is fixedly connected to the inner ring of the second bearing 6 by bolts; a fixed shaft 53 is provided on the mounting seat 5, and a first coupling 41 is provided at the end of the fixed shaft 53, and the first coupling 41 is connected to the generator set 4.

[0038] One end of the fixed shaft 53 is provided with a fixedly connected limiting flange 54 and a first bearing 51 and a retaining ring 52 that are sleeved thereon. The first bearing 51 is arranged in the mounting groove 81, and the retaining ring 52 is arranged below the first bearing 51. The retaining ring 52 is fixed to the fixed shaft 53 by bolts and cooperates with the limiting flange 54 to fix the first bearing 51.

[0039] The grid 3 includes a plurality of groups of annular tubes 31 equidistantly distributed vertically, a plurality of groups of equally distributed transverse tubes 33 are arranged on the annular tubes 31, both ends of the transverse tubes 33 are respectively connected to the upright posts 2 and the annular tubes 31, a plurality of equally distributed vertical tubes 32 for fixing and installing the blades 9 are arranged between the upper and lower adjacent transverse tubes 33, and the annular tubes, vertical tubes and transverse tubes cooperate with each other to form a dense grid.

[0040] The angle between the blade 9 and the transverse tube 33 is 18°-25°; the optimal angle between the blade 9 and the transverse tube 33 is 20°.

[0041] A fixing column 21 is disposed at the top of the column 2 ; a first pull rod 35 is disposed on the fixing column 21 , and one end of the first pull rod 35 is connected to the ring tube 31 for auxiliary fixing.

[0042] Furthermore, a fixed rod 34 is fixedly connected between the transverse tubes 33 , and a second pull rod 37 is provided on the fixed rod 34 . One end of the second pull rod 37 is connected to the column 2 for auxiliary fixing so that the grid 3 is firmly fixed.

[0043] The bottom of the generator set 4 is provided with a second coupling 42 and a motor 43 which are connected to each other to realize auxiliary starting of the generator set 4; the motor 43 drives the second coupling 42 to rotate, thereby driving the generator set 4 to start and run.

[0044] A brake system 44 and a brake pad 45 are provided at the bottom of the generator set 4; the brake pad 45 is fixed on a rotating shaft provided at the bottom of the generator set 4; the brake system 44 is fixed on a mounting frame for supporting and installing the generator set 4; the rotation speed of the generator set 4 is controlled by the brake system 44 in cooperation with the brake pad 45, so that it runs at a constant speed, and can be completely locked to ensure safety during maintenance. The solution of the brake system 44 in cooperation with the brake pad 45 is a disc brake technology in the prior art, which will not be elaborated on here.

[0045] The tower is provided with a first operating platform, a second operating platform and a plurality of door openings for easy maintenance; a pre-buried base 11 is provided at the bottom of the tower.

[0046] The annular pipe, vertical pipe, horizontal pipe and blades are made of carbon fiber material, and the columns are made of glass fiber reinforced plastic material.

[0047] A vertical axis lightweight blade universal breeze power generation device, the working process is as follows:

[0048] First, make a concrete foundation including a pre-buried base 11. After the pre-buried base 11 is completed, install the tower 1 on the pre-buried base. After the tower 1 is installed, assemble the wind head in an open area. After the assembly is completed, hoist and dock the tower 1. After the wind head is installed, the entire main equipment is installed, and the equipment is debugged later.

[0049] During the test, the breeze blows the blades 9 to drive the grid 3 and the column 2 to rotate, and then drives the mounting seat 5 to rotate on the first bearing 51, the second bearing 6, and the support seat 8, and then drives the generator set 4 to run and generate electricity through the first coupling 41; when maintenance is required, the brake system 44 can be used in conjunction with the brake pads 45 to lock the brake to prevent the generator set 4 from running. When starting, the second coupling 42 and the generator set 4 are driven by the motor 43 to run and generate electricity; the ladder set in the tower 1 is used to climb the doorway 14, the first operating platform 12, and the second operating platform 13 to facilitate maintenance.

[0050] In the description of the present invention, unless otherwise specified, "plurality" means two or more than two; the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", etc. are based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0051] In summary, electronic or electrical components including but not limited to motors are components in the prior art, obtained through private customization or purchase, and the electrical connections between the components are conventional circuit connections or electrical connections in the prior art, which are not within the scope of protection of the present invention;

[0052] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

Claims

1. A vertical axis lightweight blade universal breeze power generation device, comprising a tower, a column, a grid, blades, a generator set, a mounting seat, and a bearing mechanism; characterized in that The grid is arranged on the column, the blades are provided in several groups and fixed on the grid, the tower is arranged to be hollow and has a climbing ladder inside, the generator set is fixed inside the tower through a mounting frame, the bottom end of the column is connected to a mounting seat, the mounting seat is arranged on a bearing mechanism and rotatably connected, the bearing mechanism is arranged at the top of the tower, and one end of the mounting seat is connected to the generator set through a coupling; the blades are driven by breeze to rotate the grid, the column and the mounting seat, thereby driving the generator set to rotate and generate electricity.

2. A vertical axis lightweight blade universal breeze power generation device according to claim 1, characterized in that The bearing mechanism includes a fixed seat, a support seat, and a second bearing; the fixed seat is fixedly connected to the inner wall of the tower; the support seat is sleeved on the fixed seat and fixed to each other by a connecting plate and bolts at the bottom; the outer ring of the second bearing is fixed to the support seat by bolts, and a mounting groove is provided at the bottom of the support seat; the mounting seat is fixedly connected to the inner ring of the second bearing by bolts; a fixed shaft is provided on the mounting seat, and a first coupling is provided at the end of the fixed shaft, and the first coupling is connected to the generator set.

3. A vertical axis lightweight blade universal breeze power generation device according to claim 2, characterized in that One end of the fixed shaft is provided with a fixedly connected limiting flange and a sleeved first bearing and a retaining ring. The first bearing is arranged in the mounting groove, and the retaining ring is arranged below the first bearing. The retaining ring is fixed to the fixed shaft by bolts and cooperates with the limiting flange to fix the first bearing.

4. The vertical axis lightweight blade universal breeze power generation device according to claim 1 is characterized in that The grid comprises a plurality of groups of annular tubes equidistantly distributed up and down, a plurality of groups of equally distributed transverse tubes are arranged on the annular tubes, both ends of the transverse tubes are respectively connected to upright posts and annular tubes, a plurality of equally distributed vertical tubes for fixing and installing blades are arranged between the upper and lower adjacent transverse tubes, the annular tubes, vertical tubes and transverse tubes cooperate with each other to form a dense grid; the angle between the blades and the transverse tubes is 18°-25°.

5. A vertical axis lightweight blade universal breeze power generation device according to claim 4, characterized in that The angle between the blade and the transverse tube is 20°.

6. The vertical axis lightweight blade universal breeze power generation device according to claim 1, characterized in that A fixing column is arranged on the top of the column; a first pull rod is arranged on the fixing column, and one end of the first pull rod is connected to the ring tube for auxiliary fixing.

7. The vertical axis lightweight blade universal breeze power generation device according to claim 4 is characterized in that A fixed rod is fixedly connected between the transverse tubes, a second pull rod is arranged on the fixed rod, and one end of the second pull rod is connected to the column for auxiliary fixing so that the grid is firmly fixed.

8. The vertical axis lightweight blade universal breeze power generation device according to claim 1, characterized in that The bottom of the generator set is provided with a second coupling and a motor which are connected to each other to realize auxiliary starting of the generator set; the motor drives the second coupling to rotate, thereby driving the generator set to start and run.

9. The vertical axis lightweight blade universal breeze power generation device according to claim 1, characterized in that The bottom of the generator set is provided with a brake system and brake pads; the brake pads are fixed on a rotating shaft provided at the bottom of the generator set; the brake system is fixed on a mounting frame used to support and install the generator set; the speed of the generator set is controlled by the brake system in conjunction with the brake pads, so that it runs at a constant speed, and can be completely locked to ensure safety during maintenance; The tower is provided with a first operating platform, a second operating platform and several door openings for easy maintenance; a pre-buried base is provided at the bottom of the tower.

10. The vertical axis lightweight blade universal breeze power generation device according to claim 1, characterized in that The ring pipe, vertical pipe, cross pipe and blades are made of carbon fiber, and the columns are made of fiberglass.

Citation Information

Patent Citations

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