Vertical axis wind turbine combined arrangement system

Abstract

The invention discloses a vertical axis wind turbine combined arrangement system, and belongs to the technical field of wind power generation. A plurality of wind turbine power generation assemblies are distributed above a wind turbine fixing sliding groove of a wind turbine fixing base; the top of the first supporting column on the inner side of the wind turbine fixing base is connected with first annular power generation equipment, and the top of the second supporting column is connected with second annular power generation equipment. An annular movement inner ring is connected between the first annular power generation equipment and the second annular power generation equipment, and the annular movement inner ring is connected with an annular movement outer ring through a middle connecting rod; the top of the wind turbine power generation assembly is connected with an annular movement outer ring through a wind turbine fixing ring. When the set wind speed is reached, the wind turbine power generation assembly moves along the wind turbine fixing sliding groove while generating power by itself so as to drive the annular movement outer ring. The annular movement outer ring drives the annular movement inner ring through the middle connecting rod, and the annular movement inner ring drives the annular power generation equipment to generate power cooperatively. The land utilization rate, the wind energy utilization rate and the power generation efficiency are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of wind power generation, and in particular relates to a vertical axis wind turbine joint arrangement system. Background Art

[0002] As a device for utilizing wind energy, small vertical axis wind turbines have been installed in large numbers in recent years to power lighting equipment such as street lights and traffic lights. However, during the large-scale installation of large vertical axis wind turbines, they often face economic problems such as low land utilization rate and low power generation efficiency due to the spacing between units.

[0003] At present, the scope of use of vertical axis wind turbines is relatively narrow, mostly for urban rooftops, small residential electricity and temporary rural electricity use. The layout of vertical axis wind turbines in these places will be limited by location conditions and cannot fully utilize land resources. In addition, when traditional vertical axis wind turbines are arranged in arrays, it is considered that the downstream wind turbines will be affected by the wake of the upstream wind turbines, resulting in a decrease in their wind speed, which in turn affects the power generation efficiency. Although the wake effect can be reduced by increasing the spacing between vertical axis wind turbines, this will also reduce the number of vertical axis wind turbines deployed locally, resulting in lower overall power generation. Summary of the invention

[0004] To this end, the present invention provides a vertical axis wind turbine joint arrangement system to solve the problems of low land utilization rate, low power generation efficiency and lower overall power generation due to increased spacing in traditional technologies.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: a vertical axis wind turbine joint arrangement system, comprising a wind turbine fixed base, the upper end surface of the wind turbine fixed base is formed with a wind turbine fixed slide groove; a plurality of wind turbine power generation components are distributed above the wind turbine fixed slide groove; The inner side of the wind turbine fixed base is connected to a first support column and a second support column, the top of the first support column is connected to a first annular power generation device, and the top of the second support column is connected to a second annular power generation device; an annular motion inner ring is connected between the first annular power generation device and the second annular power generation device, and the annular motion inner ring is connected to an annular motion outer ring through an intermediate connecting rod; the top of the wind turbine power generation assembly is connected to the annular motion outer ring through a wind turbine fixed ring; When the set wind speed is reached, the wind turbine power generation component generates electricity by itself and moves along the fixed slide groove of the wind turbine to drive the annular motion outer ring; the annular motion outer ring drives the annular motion inner ring through the intermediate connecting rod, and the annular motion inner ring drives the first annular power generation device and the second annular power generation device to generate electricity in coordination.

[0006] As a preferred solution for the vertical axis wind turbine joint arrangement system, the wind turbine power generation assembly includes an iris outer disk, an iris inner disk, a wind turbine blade, a fixed connecting rod body, a moving connecting rod body, a transfer rod, a rotating shaft, a generator and a resistance blade; The edge of the iris outer disk is formed with a fixed connecting rod fixing port, and the fixed connecting rod fixing port is provided with a fixing column; the iris inner disk is arranged inside the iris outer disk, and the iris inner disk is formed with an adjustment strip hole, and a moving column is provided inside the adjustment strip hole; One end of the fixed link body is connected to the side of the wind turbine blade, and the other end of the fixed link body is connected to the fixed column; one end of the movable link body is connected to the side of the wind turbine blade, and the other end of the movable link body is connected to the moving column; One end of the transfer rod is connected to the end of the fixed connecting rod body through the fixed column; the other end of the transfer rod is connected to the end of the moving connecting rod body through the moving column; One end of the rotating shaft passes through the center of the iris inner disk, and the other end of the rotating shaft is connected to the generator rotor in the generator; the resistance blades are connected between the iris inner disks.

[0007] As a preferred solution for the vertical axis wind turbine joint arrangement system, the edge of one of the iris outer disks is provided with three of the fixed connecting rod fixing ports, and one of the iris inner disks is formed with three of the adjustment strip holes; Each of the fixed connecting rod fixing holes has a fixed column inside; each of the adjusting strip holes has a moving column inside; Each of the fixed columns is connected to a fixed link body, and each of the moving columns is connected to a moving link body; One of the fixed link body and one of the movable link body are connected together as a set to a side of one of the wind turbine blades; The three adjusting strip holes are distributed in equal arcs inside the iris inner disk, and three groups of the fixed connecting rod bodies and the moving connecting rod bodies are connected to three wind turbine blades in total.

[0008] As a preferred solution for the vertical axis wind turbine combined arrangement system, a first hinged portion is provided at the connection between the fixed link body and the wind turbine blade, and a second hinged portion is provided at the connection between the movable link body and the wind turbine blade; the first hinged portion is located on the outside of the second hinged portion.

[0009] As a preferred solution for the vertical axis wind turbine combined arrangement system, when the wind turbine generating assembly generates electricity: The rotation of the wind turbine blade drives the fixed connecting rod body and the moving connecting rod body to rotate coaxially; the torque generated by the rotation of the fixed connecting rod body and the moving connecting rod body drives the iris inner disk to rotate; the rotation of the iris inner disk drives the rotation shaft to rotate, and the rotation of the rotation shaft drives the generator rotor in the generator to generate electricity; When the wind turbine power generation assembly performs drag type and lift type adjustments: The iris outer disk is controlled to rotate independently to drive the fixed connecting rod fixing port to rotate coaxially, and the iris inner disk does not rotate synchronously with the iris outer disk. The transfer rod connected to the iris outer disk pushes the moving column body to translate in the adjustment strip hole of the iris inner disk, so as to change the type and attack angle of the wind turbine blade by changing the position of the moving connecting rod body.

[0010] As a preferred solution for the vertical axis wind turbine joint arrangement system, when the wind speed in the wind field where the wind turbine power generation assembly is located is less than 5m / s, the wind turbine blade attack angle is adjusted to 90 degrees to form a resistance type blade; When the wind speed in the wind field where the wind turbine generating assembly is located is between 5m / s and 10m / s, the wind turbine blades are gradually changed from resistance type blades to lift type blades by adjusting the angle of attack; When the wind speed in the wind field where the wind turbine generating assembly is located is greater than 10 m / s, the position of the moving column inside the adjusting strip hole is adjusted to change the angle of attack of the wind turbine blades; When the wind speed in the wind field where the wind turbine generating assembly is located is in a dangerous operating wind speed range of the wind turbine, the wind turbine blades are changed from lift-type blades to drag-type blades by adjusting the angle of attack.

[0011] As a preferred solution for the vertical axis wind turbine joint arrangement system, the design relationship between the wind turbine blades and aerodynamic performance parameters is: ; ; In the formula, is the lift coefficient; is the drag coefficient; for lift; for resistance; Indicates the air density; represents the chord length of the wind turbine blade (13).

[0012] As a preferred solution for the vertical axis wind turbine joint arrangement system, the top ends of the first support column and the second support column are both connected to a fixing frame, a fixing hook is provided on the outer side of the fixing frame, and the annular motion outer ring passes through the fixing hook.

[0013] As a preferred solution of the vertical axis wind turbine joint arrangement system, the spacing of the wind turbine components distributed in the wind turbine fixed chute is at least 3 to 5 times the diameter of the wind wheel formed by the wind turbine blades; The solidity formula of a single wind turbine formed by the wind turbine blades (13) is: ; In the formula, N is the number of a single wind turbine blade (13); R is the radius of the wind wheel formed by the single wind turbine blade (13); c is the chord length of the wind turbine blade (13); is the swept area of ​​the wind wheel; σ is the solidity ratio; The spacing of the wind turbine components distributed in the wind turbine fixed chute is optimized in combination with the tip speed ratio of the wind turbine components. The formula of the tip speed ratio is: ; Where ω is the angular velocity; is the incoming wind speed; λ is the tip speed ratio.

[0014] As a preferred solution for the vertical axis wind turbine joint arrangement system, the power generation capacity of the several wind turbine power generation components distributed above the wind turbine fixed chute is: ; Wherein, P is the power generation; ρ is the air density; A is the stacking area of ​​the wind turbine blades (13) in the plurality of wind turbine power generation components (3); v is the wind speed; C p is the power coefficient.

[0015] The present invention has the following advantages: a wind turbine fixing slot is formed on the upper end surface of the wind turbine fixing base; a plurality of wind turbine power generation components are distributed above the wind turbine fixing slot; a first support column and a second support column are connected to the inner side of the wind turbine fixing base, a first annular power generation device is connected to the top of the first support column, and a second annular power generation device is connected to the top of the second support column; an annular motion inner ring is connected between the first annular power generation device and the second annular power generation device, and the annular motion inner ring is connected to an annular motion outer ring through an intermediate connecting rod; the top of the wind turbine power generation component is connected to the annular motion outer ring through a wind turbine fixing ring; when the set wind speed is reached, the wind turbine power generation component generates electricity by itself while moving along the wind turbine fixing slot to drive the annular motion outer ring; the annular motion outer ring drives the annular motion inner ring through the intermediate connecting rod, and the annular motion inner ring drives the first annular power generation device and the second annular power generation device to generate electricity in coordination. The present invention enables a more compact arrangement of vertical axis wind turbines, which can effectively improve the utilization rate of wind energy while improving the utilization rate of land; within a certain wind speed range, the rotation of a single vertical axis wind turbine assembly can also cause the entire device to rotate around the support column, thereby driving the annular power generation equipment to generate electricity in coordination, thereby improving the power generation efficiency of the entire system. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the implementation methods of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for the implementation methods or the description of the prior art. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0017] Figure 1 A first-view stereoscopic schematic diagram of a vertical-axis wind turbine joint arrangement system provided in an embodiment of the present invention; Figure 2 A second perspective perspective schematic diagram of a vertical axis wind turbine joint arrangement system provided in an embodiment of the present invention; Figure 3 A schematic diagram of a wind turbine fixed chute in a vertical axis wind turbine joint arrangement system provided in an embodiment of the present invention; Figure 4 A schematic diagram of the distribution of wind turbine power generation components in a vertical axis wind turbine joint arrangement system provided in an embodiment of the present invention; Figure 5 A first-view stereoscopic schematic diagram of a wind turbine power generation assembly in a vertical-axis wind turbine combined arrangement system provided in an embodiment of the present invention; Figure 6 It is a second perspective stereoscopic schematic diagram of a wind turbine power generation component in a vertical axis wind turbine combined arrangement system provided in an embodiment of the present invention.

[0018] In the figure, 1, wind turbine fixed base; 2, wind turbine fixed slide; 3, wind turbine power generation component; 4, first support column; 5, second support column; 6, first annular power generation equipment; 7, second annular power generation equipment; 8, annular motion inner ring; 9, annular motion outer ring; 10, wind turbine fixed ring; 11, iris outer disk; 12, iris inner disk; 13, wind turbine blade; 14, fixed link body; 15, moving link body; 16, adapter rod; 17, rotating shaft; 18, generator; 19, resistance blade; 20, fixed link fixing port; 21, fixed column; 22, adjusting strip hole; 23, moving column; 24, first hinge part; 25, second hinge part; 26, fixed frame; 27, fixing hook; 28, middle link. DETAILED DESCRIPTION

[0019] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 The embodiment of the present invention provides a vertical axis wind turbine joint arrangement system, comprising a wind turbine fixed base 1, the upper end surface of the wind turbine fixed base 1 is formed with a wind turbine fixed slide 2; a plurality of wind turbine power generation components 3 are distributed above the wind turbine fixed slide 2; The first support column 4 and the second support column 5 are connected to the inner side of the wind turbine fixed base 1, the first support column 4 is connected to the top of the first annular power generation device 6, and the second support column 5 is connected to the top of the second annular power generation device 7; an annular motion inner ring 8 is connected between the first annular power generation device 6 and the second annular power generation device 7, and the annular motion inner ring 8 is connected to the annular motion outer ring 9 through the intermediate connecting rod 28; the top of the wind turbine power generation component 3 is connected to the annular motion outer ring 9 through the wind turbine fixed ring 10; Among them, when the set wind speed is reached, the wind turbine power generation component 3 generates electricity by itself while moving along the wind turbine fixed slide groove 2 to drive the annular motion outer ring 9; the annular motion outer ring 9 drives the annular motion inner ring 8 through the intermediate connecting rod 28, and the annular motion inner ring 8 drives the first annular power generation device 6 and the second annular power generation device 7 to generate electricity in coordination.

[0021] Among them, the annular motion inner ring 8 and the annular motion outer ring 9 are both elastic structures; the intermediate connecting rod 28 is a rigid structure, and when the annular motion outer ring 9 rotates, the annular motion inner ring 8 is driven to rotate through the intermediate connecting rod 28; the distance between the turning point of the annular motion inner ring 8 and the annular motion outer ring 9 is equal to the distance between the parallel points of the annular motion inner ring 8 and the annular motion outer ring 9, so that the annular motion outer ring 9 drives the annular motion inner ring 8 through the intermediate connecting rod 28, and the annular motion inner ring 8 drives the first annular power generation device 6 and the second annular power generation device 7 to perform coordinated power generation.

[0022] See also Figure 5 and Figure 6In this embodiment, the wind turbine power generation assembly 3 includes an iris outer disk 11, an iris inner disk 12, a wind turbine blade 13, a fixed connecting rod body 14, a moving connecting rod body 15, a transfer rod 16, a rotating shaft 17, a generator 18 and a resistance blade 19; the edge of the iris outer disk 11 is formed with a fixed connecting rod fixing port 20, and the fixed connecting rod fixing port 20 is provided with a fixing column 21; the iris inner disk 12 is arranged inside the iris outer disk 11, and the iris inner disk 12 is formed with an adjustment bar hole 22, and a moving column 23 is provided inside the adjustment bar hole 22; one end of the fixed connecting rod body 14 is connected to the wind turbine blade 13 The side of the fixed link body 14 is connected to the fixed column 21 at the other end; one end of the movable link body 15 is connected to the side of the wind turbine blade 13, and the other end of the movable link body 15 is connected to the moving column 23; one end of the transfer rod 16 is connected to the end of the fixed link body 14 through the fixed column 21; the other end of the transfer rod 16 is connected to the end of the movable link body 15 through the moving column 23; one end of the rotating shaft 17 passes through the center of the iris inner disk 12, and the other end of the rotating shaft 17 is connected to the power generation rotor in the generator 18; the resistance blades 19 are connected between the iris inner disks 12.

[0023] Among them, three fixed link fixing ports 20 are provided on the edge of an iris outer disk 11, and three adjustment strip holes 22 are formed on an iris inner disk 12; a fixed column 21 is provided inside each fixed link fixing port 20; a moving column 23 is provided inside each adjustment strip hole 22; each fixed column 21 is connected to a fixed link body 14, and each moving column 23 is connected to a moving link body 15; a fixed link body 14 and a moving link body 15 are connected to the side of a wind turbine blade 13 as a group; three adjustment strip holes 22 are distributed in equal arcs inside the iris inner disk 12, and three groups of fixed link bodies 14 and moving link bodies 15 are connected to three wind turbine blades 13 in total.

[0024] Specifically, the airfoil of the wind turbine blade 13 is an important feature of the vertical axis wind turbine. The structural parameters of the airfoil will affect the aerodynamic performance of the airfoil and the overall working performance of the wind turbine. Structurally, the airfoil section is a completely closed water drop shape. When the air flows through the upper and lower surfaces, a pressure difference will be generated from the lower airfoil to the upper airfoil due to the different flow rates, generating a torque at the connection point of the wind turbine's rotating shaft 17. The wind turbine blade 13 of this embodiment uses a NASA SC (2) -0714 configuration asymmetric blade.

[0025] Among them, when describing the structural characteristics of the airfoil of the wind turbine blade 13, the following geometric parameters need to be paid attention to. The leading edge of the airfoil is the main part of the wind turbine blade 13 that bears wind pressure during operation. The trailing edge of the airfoil has an important influence on the aerodynamic performance of the airfoil. The chord length indicates the size of the airfoil along the chord line direction. This parameter directly affects the performance of the lift coefficient, drag coefficient and other performances in the blade design. The mid-arc line determines the curvature of the airfoil to a certain extent and is an important curve that describes the shape of the airfoil. In addition, the maximum distance between the upper wing surface and the lower wing surface is called the maximum thickness of the airfoil, which reflects the size of the airfoil in the thickness direction. These parameters jointly affect the structural strength and aerodynamic characteristics of the blade.

[0026] In this embodiment, the U-shaped resistance blades 19 of the vertical axis wind turbine begin to rotate under the action of wind force, driving the annular motion outer ring 9 connected thereto to rotate. With the help of the intermediate connecting rod 28, the rotational movement of the annular motion outer ring 9 is transmitted to the annular motion inner ring 8, causing the annular motion inner ring 8 to rotate accordingly. The rotation of the annular motion inner ring 8 drives the first annular power generation device 6 and the second annular power generation device 7 installed in the fixed frame 26 to start generating electricity. Multiple vertical axis wind turbines are arranged equidistantly around the annular structure and rotated according to the operation mode of the single vertical axis wind turbine described above. In this process, in order to ensure that these wind turbines can rotate smoothly and continuously, a wind turbine fixing slide 2 is installed at the bottom of the entire system to ensure the stable operation of the entire power generation system.

[0027] Among them, the design relationship between the wind turbine blade 13 and the aerodynamic performance parameters is: ; ; In the formula, is the lift coefficient; is the drag coefficient; for lift; for resistance; Indicates the air density; Indicates the chord length of the wind turbine blade 13.

[0028] Among them, the upper wing surface of the airfoil is quasi-convex, and the lower wing surface is quasi-concave. When the NASA SC(2)-0714 blade is used as a lift type, the wind energy capture efficiency is high and the overall power generation is large; when the blade is used as a drag type, the trailing edge is placed toward the rotating shaft 17, and its concave surface is conducive to the capture of wind energy by the drag type blade, which can effectively reduce the starting wind speed.

[0029] In this embodiment, a first hinge portion 24 is provided at the connection between the fixed link body 14 and the wind turbine blade 13 , and a second hinge portion 25 is provided at the connection between the movable link body 15 and the wind turbine blade 13 ; the first hinge portion 24 is located outside the second hinge portion 25 . When the wind turbine generating assembly 3 generates electricity: the rotation of the wind turbine blades 13 drives the fixed connecting rod body 14 and the movable connecting rod body 15 to rotate coaxially; the torque generated by the rotation of the fixed connecting rod body 14 and the movable connecting rod body 15 drives the iris inner disk 12 to rotate; the rotation of the iris inner disk 12 drives the rotating shaft 17 to rotate, and the rotation of the rotating shaft 17 drives the generating rotor in the generator 18 to generate electricity; when the wind turbine generating assembly 3 performs resistance type and lift type adjustments: the iris outer disk 11 is controlled to rotate alone to drive the fixed connecting rod fixing port 20 to rotate coaxially, the iris inner disk 12 does not rotate synchronously with the iris outer disk 11, and the adapter rod 16 connected to the iris outer disk 11 pushes the moving column 23 body to translate in the adjustment strip hole 22 of the iris inner disk 12, so as to change the type and attack angle of the wind turbine blade 13 by changing the position of the movable connecting rod body 15.

[0030] Specifically, when wind / airflow blows through the asymmetric wind turbine blades 13, due to the different shapes and relative positions of the wind turbine blades 13, the wind / airflow will generate different pressures on the wind turbine blades 13. When the wind / airflow flows through the convex surface, a higher wind pressure is generated, and when the wind flows through the concave surface, a lower wind pressure is generated. The power applied by the wind to the wind turbine blades 13 is thereby used to drive the fixed connecting rod body 14 and the movable connecting rod body 15 to rotate coaxially. The rotating torque drives the iris inner disk 12 to rotate, and the rotating shaft 17 and the generator rotor in the generator 18 are fixed. When the iris inner disk 12 rotates, the rotating shaft 17 can be connected to the gear to drive the generator rotor to generate electricity. At this time, there is no relative movement between the iris outer disk 11 and the iris inner disk 12.

[0031] When the type and angle of attack of the asymmetric wind turbine blade 13 need to be adjusted, the iris outer disk 11 rotates alone to drive the fixed link fixing port 20 to rotate coaxially. At this time, the iris inner disk 12 does not rotate synchronously with the iris outer disk 11. The adapter rod 16 connected to the iris outer disk 11 pushes the moving column 23 to translate in the adjustment strip hole 22 of the iris inner disk 12, thereby changing the position of the moving link body 15. Due to the cooperation of the first hinge part 24 and the second hinge part 25, the type and angle of attack of the asymmetric wind turbine blade 13 are changed.

[0032] In this embodiment, the type and angle of attack of the wind turbine blade 13 are integratedly controlled by the incoming wind speed and direction in the wind field where the wind turbine assembly is located. The integrated control formula of the type and angle of attack of the wind turbine blade 13 is: ; In the formula, is the angle of attack of the wind turbine blade 13; is the incoming wind speed of the wind farm; is the optimal blade attack angle in the inflow wind direction; It is the dangerous operating wind speed for vertical axis wind turbine.

[0033] Specifically, when the wind speed in the wind field where the vertical axis wind turbine is located is less than 5m / s, the attack angle of the wind turbine blade 13 is adjusted to 90 degrees to form a resistance-type blade, which is conducive to the self-starting of the wind turbine at low wind speeds; When the wind speed of the wind field where the vertical axis wind turbine is located is between 5m / s-10m / s, the wind turbine blades 13 are gradually changed from resistance type to lift type blades by adjusting the angle of attack, thereby improving the power generation efficiency of the wind turbine by increasing the maximum speed of the wind turbine rotor; When the wind speed in the wind field where the vertical axis wind turbine is located is greater than 10m / s, the position of the moving column 23 inside the adjusting strip hole 22 is adjusted to change the angle of attack of the wind turbine blade 13, thereby increasing the wind energy utilization efficiency of the wind turbine blade 13; When the wind speed in the wind field where the vertical axis wind turbine is located is in the dangerous operating wind speed range of the wind turbine, the wind turbine blades 13 are changed from lift type to drag type blades through angle of attack adjustment, thereby reducing the speed of the wind turbine and the load intensity of the wind turbine rotor to ensure the safe operation of the wind turbine.

[0034] In this embodiment, the top ends of the first support column 4 and the second support column 5 are connected to a fixing frame 26, and a fixing hook 27 is provided on the outer side of the fixing frame 26, and the annular motion outer ring 9 passes through the fixing hook 27. The fixing frame 26 and the fixing hook 27 limit the entire annular motion outer ring 9, and the annular motion outer ring 9 can move in the fixing hook 27.

[0035] Among them, the area occupied by the vertical axis wind turbine joint arrangement system is only the area of ​​the first support column 4, the second support column 5 and the wind turbine fixed chute 2. By controlling the distance between the first support column 4 and the second support column 5 and the number of wind turbine components, the placement requirements of most terrains can be met, and the movement is flexible. When analyzing the spacing of the vertical axis wind turbine components in the system, it is necessary to consider wind direction, wind speed, solidity and tip speed ratio. When analyzing the number of vertical axis wind turbine components in the system, firstly design a reasonable layout of wind turbine components according to the arrangement of wind turbine components. Generally, the distance between wind turbine components is at least 3 to 5 times the diameter of the wind wheel formed by the wind turbine blades 13 to reduce the influence of the wake effect on the performance of the downstream wind turbine. Then, according to the size and layout of the wind turbine components, the required total area is calculated. Factors that need to be considered in this process include wind turbine foundation, road, cable line and operation and maintenance space. Finally, according to the steps, an appropriate number of wind turbine components are installed for the required area of ​​the system.

[0036] The solidity formula of a single wind turbine formed by the wind turbine blades (13) is: ; Wherein, N is the number of a single wind turbine blade 13; R is the radius of the wind wheel formed by the single wind turbine blade 13; c is the chord length of the wind turbine blade 13; is the swept area of ​​the wind wheel; σ is the solidity ratio; The spacing of the wind turbine components distributed in the wind turbine fixed chute is optimized in combination with the tip speed ratio of the wind turbine components. The formula of the tip speed ratio is: ; Where ω is the angular velocity; is the incoming wind speed; λ is the tip speed ratio.

[0037] Specifically, solidity refers to the ratio of the total area of ​​the wind turbine blades 13 projected in the wind direction to the area of ​​the wind passing through the wind rotor (wind rotor swept area). The solidity of the vertical axis wind turbine assembly is a parameter with a definite value. Too large a solidity will lead to a decrease in the power coefficient and may not be able to operate normally. This embodiment uses a three-blade vertical axis wind turbine assembly as a small power generation unit to capture wind energy, and the wind energy capture efficiency is relatively high. Among them, the tip speed ratio is an important parameter that affects the performance of the vertical axis wind turbine assembly. When calculating the spacing, the tip speed ratio of each vertical axis wind turbine assembly in the device must be considered to ensure that each wind turbine assembly operates in the best condition.

[0038] In this embodiment, the power generation of the wind turbine power generation components 3 distributed above the wind turbine fixed chute 2 is: ; Wherein, P is the power generation; ρ is the air density; A is the stacking area of ​​the wind turbine blades (13) in the plurality of wind turbine power generation components (3); v is the wind speed; C p is the power coefficient.

[0039] In summary, a wind turbine fixing slot 2 is formed on the upper end surface of the wind turbine fixing base 1 of the present invention; a plurality of wind turbine power generation components 3 are distributed above the wind turbine fixing slot 2; a first support column 4 and a second support column 5 are connected to the inner side of the wind turbine fixing base 1, a first annular power generation device 6 is connected to the top of the first support column 4, and a second annular power generation device 7 is connected to the top of the second support column 5; an annular motion inner ring 8 is connected between the first annular power generation device 6 and the second annular power generation device 7, and the annular motion inner ring 8 is connected to an annular motion outer ring 9 through an intermediate connecting rod 28; the top of the wind turbine power generation component 3 is connected to the annular motion outer ring 9 through a wind turbine fixing ring 10; when the set wind speed is reached, the wind turbine power generation component 3 generates electricity by itself while moving along the wind turbine fixing slot 2 to drive the annular motion outer ring 9; the annular motion outer ring 9 drives the annular motion inner ring 8 through the intermediate connecting rod 28, and the annular motion inner ring 8 drives the first annular power generation device 6 and the second annular power generation device 7 to generate electricity in coordination. The area occupied by the vertical axis wind turbine joint arrangement system is only the area of ​​the first support column 4, the second support column 5 and the wind turbine fixed chute 2. By controlling the distance between the first support column 4 and the second support column 5 and the number of wind turbine components, the placement requirements of most terrains can be met, and the movement is flexible. When analyzing the spacing of the vertical axis wind turbine components in the system, it is necessary to consider wind direction, wind speed, solidity and tip speed ratio. When analyzing the number of vertical axis wind turbine components in the system, firstly design a reasonable layout of wind turbine components according to the spacing and arrangement between the wind turbine components. Usually, the distance between wind turbine components is at least 3 to 5 times the diameter of the wind wheel formed by the wind turbine blades 13 to reduce the influence of the wake effect on the performance of the downstream wind turbine. Then calculate the required total area according to the size and layout of the wind turbine components. Factors that need to be considered in this process include wind turbine foundations, roads, cable lines and operation and maintenance space. The present invention enables a more compact arrangement of vertical axis wind turbines, which can effectively improve the utilization rate of wind energy while improving the utilization rate of land; within a certain wind speed range, the rotation of a single vertical axis wind turbine assembly can also cause the entire device to rotate around the support column, thereby driving the annular power generation equipment to generate electricity in coordination, thereby improving the power generation efficiency of the entire system.

[0040] Although the present invention has been described in detail above by general description and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all belong to the scope of protection claimed by the present invention.

Claims

1. A vertical axis wind turbine joint arrangement system, characterized in that: It comprises a wind turbine fixing base (1), wherein the upper end surface of the wind turbine fixing base (1) is formed with a wind turbine fixing slide groove (2); and a plurality of wind turbine power generation components (3) are distributed above the wind turbine fixing slide groove (2); A first support column (4) and a second support column (5) are connected to the inner side of the wind turbine fixed base (1); a first annular power generation device (6) is connected to the top of the first support column (4); a second annular power generation device (7) is connected to the top of the second support column (5); an annular motion inner ring (8) is connected between the first annular power generation device (6) and the second annular power generation device (7); the annular motion inner ring (8) is connected to an annular motion outer ring (9) via an intermediate connecting rod (28); the top of the wind turbine power generation assembly (3) is connected to the annular motion outer ring (9) via a wind turbine fixed ring (10); When the set wind speed is reached, the wind turbine power generation assembly (3) generates power by itself while moving along the wind turbine fixed slide groove (2) to drive the annular motion outer ring (9); the annular motion outer ring (9) drives the annular motion inner ring (8) through the intermediate connecting rod (28), and the annular motion inner ring (8) drives the first annular power generation device (6) and the second annular power generation device (7) to generate power in coordination.

2. A vertical axis wind turbine joint arrangement system according to claim 1, characterized in that: The wind turbine power generation assembly (3) comprises an iris outer disc (11), an iris inner disc (12), a wind turbine blade (13), a fixed connecting rod body (14), a movable connecting rod body (15), a transfer rod (16), a rotating shaft (17), a generator (18) and a resistance blade (19); The edge of the iris outer disk (11) is formed with a fixed connecting rod fixing opening (20), and the fixed connecting rod fixing opening (20) is provided with a fixing column (21); the iris inner disk (12) is arranged inside the iris outer disk (11), and the iris inner disk (12) is formed with an adjustment strip hole (22), and a moving column (23) is provided inside the adjustment strip hole (22); One end of the fixed link body (14) is connected to the side of the wind turbine blade (13), and the other end of the fixed link body (14) is connected to the fixed column (21); one end of the movable link body (15) is connected to the side of the wind turbine blade (13), and the other end of the movable link body (15) is connected to the moving column (23); One end of the transfer rod (16) is connected to the end of the fixed connecting rod body (14) via the fixed column (21); the other end of the transfer rod (16) is connected to the end of the moving connecting rod body (15) via the moving column (23); One end of the rotating shaft (17) passes through the center of the iris inner disk (12), and the other end of the rotating shaft (17) is connected to the generator rotor in the generator (18); the resistance blades (19) are connected between the iris inner disks (12).

3. A vertical axis wind turbine joint arrangement system according to claim 2, characterized in that: An edge of the iris outer disk (11) is provided with three fixed connecting rod fixing openings (20), and an iris inner disk (12) is formed with three adjustment bar holes (22); A fixing column (21) is provided inside each of the fixed link fixing openings (20); and a moving column (23) is provided inside each of the adjusting bar holes (22); Each of the fixed columns (21) is connected to a fixed connecting rod body (14), and each of the moving columns (23) is connected to a moving connecting rod body (15); One of the fixed connecting rod bodies (14) and one of the movable connecting rod bodies (15) are connected together as a set to a side of one of the wind turbine blades (13); The three adjusting strip holes (22) are distributed with equal arcs inside the iris inner disk (12), and the three groups of the fixed connecting rod bodies (14) and the moving connecting rod bodies (15) are connected to a total of three wind turbine blades (13).

4. A vertical axis wind turbine joint arrangement system according to claim 3, characterized in that: A first hinged portion (24) is provided at the connection between the fixed link body (14) and the wind turbine blade (13), and a second hinged portion (25) is provided at the connection between the movable link body (15) and the wind turbine blade (13); the first hinged portion (24) is located outside the second hinged portion (25).

5. A vertical axis wind turbine joint arrangement system according to claim 4, characterized in that: When the wind turbine power generation assembly (3) generates electricity: The rotation of the wind turbine blade (13) drives the fixed connecting rod body (14) and the movable connecting rod body (15) to rotate coaxially; the torque generated by the rotation of the fixed connecting rod body (14) and the movable connecting rod body (15) drives the iris inner disk (12) to rotate; the rotation of the iris inner disk (12) drives the rotation shaft (17) to rotate, and the rotation of the rotation shaft (17) drives the power generation rotor in the generator (18) to generate electricity; When the wind turbine power generation assembly (3) performs drag-type and lift-type adjustments: The iris outer disk (11) is controlled to rotate independently to drive the fixed connecting rod fixing port (20) to rotate coaxially, and the iris inner disk (12) does not rotate synchronously with the iris outer disk (11). The transfer rod (16) connected to the iris outer disk (11) pushes the moving column (23) body to translate in the adjustment strip hole (22) of the iris inner disk (12), so as to change the type and attack angle of the wind turbine blade (13) by changing the position of the moving connecting rod body (15).

6. A vertical axis wind turbine joint arrangement system according to claim 5, characterized in that: When the wind speed in the wind field where the wind turbine power generation assembly (3) is located is less than 5 m / s, the attack angle of the wind turbine blade (13) is adjusted to 90 degrees to form a resistance-type blade; When the wind speed in the wind field where the wind turbine power generation assembly (3) is located is between 5m / s and 10m / s, the wind turbine blades (13) are gradually changed from resistance type blades to lift type blades by adjusting the angle of attack; When the wind speed in the wind field where the wind turbine power generation assembly (3) is located is greater than 10 m / s, the position of the moving column (23) inside the adjustment strip hole (22) is adjusted to change the angle of attack of the wind turbine blade (13); When the wind speed in the wind field where the wind turbine power generation assembly (3) is located is within the dangerous operating wind speed range of the wind turbine, the wind turbine blades (13) are changed from lift-type blades to drag-type blades through angle of attack adjustment.

7. A vertical axis wind turbine joint arrangement system according to claim 6, characterized in that: The design relationship between the wind turbine blade (13) and the aerodynamic performance parameters is: ； ； In the formula, is the lift coefficient; is the drag coefficient; for lift; for resistance; Indicates the air density; represents the chord length of the wind turbine blade (13).

8. A vertical axis wind turbine joint arrangement system according to claim 1, characterized in that: The top ends of the first support column (4) and the second support column (5) are both connected to a fixing frame (26), a fixing hook (27) is provided on the outside of the fixing frame (26), and the annular motion outer ring (9) passes through the fixing hook (27).

9. A vertical axis wind turbine joint arrangement system according to claim 1, characterized in that: The spacing between the wind turbine components distributed in the wind turbine fixing slot (2) is at least 3 to 5 times the diameter of the wind wheel formed by the wind turbine blades (13); The solidity formula of a single wind turbine formed by the wind turbine blades (13) is: ； In the formula, N is the number of a single wind turbine blade (13); R is the radius of the wind wheel formed by the single wind turbine blade (13); c is the chord length of the wind turbine blade (13); is the swept area of ​​the wind wheel; σ is the solidity ratio; The spacing of the wind turbine components distributed in the wind turbine fixed chute (2) is optimized in combination with the tip speed ratio of the wind turbine components. The formula for the tip speed ratio is: ； Where ω is the angular velocity; is the incoming wind speed; λ is the tip speed ratio.

10. A vertical axis wind turbine joint arrangement system according to claim 1, characterized in that: The power generation capacity of the plurality of wind turbine power generation components (3) distributed above the wind turbine fixed chute (2) is: ； Wherein, P is the power generation; ρ is the air density; A is the stacking area of ​​the wind turbine blades (13) in the plurality of wind turbine power generation components (3); v is the wind speed; C p is the power coefficient.

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