Wind power testing device and testing method for wind power generation system

Abstract

The invention relates to the technical field of wind power generation, in particular to a wind power testing device and method for a wind power generation system. A main body frame is mounted on the base; a horizontal spacer ring is mounted in the middle of the main body frame; a lower wind wheel is installed on the lower portion of the horizontal distance ring, and a first tachymeter is installed on the lower portion of the lower wind wheel. An upper wind wheel is mounted at the upper part of the horizontal distance ring; a second tachymeter is mounted at the lower part of the upper wind wheel; a wind direction indication assembly is mounted in the middle of the main body frame and comprises a wind indicator and a detection assembly; a blocking assembly is further installed on the main body frame. By arranging the blocking assembly, when the rotating speed of the upper wind wheel and the rotating speed of the lower wind wheel are too high due to the fact that local wind power is too large, the controller enables the blocking assembly to work, the blocking assembly slows down the rotating speed of the upper wind wheel and the rotating speed of the lower wind wheel, and the abutting and pushing assembly is arranged to reinforce and support the side face of the base; and the use safety of the wind power testing device is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of wind power generation, and in particular to a wind power testing device and a testing method for a wind power generation system. Background Art

[0002] A wind turbine is an electric power device that converts wind energy into mechanical work, which drives the rotor to rotate and finally outputs alternating current. If you want to generate wind power, you need to collect parameters such as wind force and wind direction, so you need a wind testing device. The Chinese utility model patent with application number "CN202121024040.1" proposes an automatic wind testing device for a wind turbine, including a wind tester and a base, a lifting mechanism is arranged in the base, and the output end of the lifting mechanism is connected to a connecting block; the lower end of the central rotating shaft of the wind tester is connected to a connecting shaft, the connecting shaft passes through the connecting block and extends to the outside of the connecting block, the lower end of the connecting shaft is axially slidably connected to a rotating shaft, a first gear is arranged at the upper end of the rotating shaft, and a plurality of first tooth blocks are arranged along the circumference of the first gear, and the first tooth blocks are meshed with the first gear; however, because the wind direction and wind force are variable, a sharp change in wind force will cause damage to the testing device, which is not conducive to the adjustment of the state of the subsequent wind power generation system, thereby affecting the efficiency of power generation. Summary of the invention

[0003] In view of this, the purpose of the present invention is to propose a wind testing device and testing method for a wind power generation system to solve the problem that the wind direction and wind force are variable, and the rapid change of wind force will cause damage to the existing testing device, which is not conducive to the subsequent adjustment of the state of the wind power generation system, and thus affects the efficiency of power generation.

[0004] Based on the above purpose, the present invention provides a wind power test device for a wind power generation system, comprising: A base, wherein an accommodating cavity is provided at an upper portion of the base; A main frame, the main frame is installed on the base, and a horizontal spacer ring is installed in the middle of the main frame; A lower wind wheel, the lower wind wheel is rotatably mounted on the main frame and is located at the lower part of the horizontal spacer ring, a first driving shaft is mounted in the middle of the lower wind wheel, a first through hole is opened in the middle of the first driving shaft, and a first tachometer is transmission-connected to the lower part of the first driving shaft; An upper wind wheel, wherein a second driving shaft is installed in the middle of the upper wind wheel, the second driving shaft is rotatably installed in the first through hole, and the upper wind wheel is located at the upper part of the horizontal spacer ring, a second through hole is opened in the middle of the second driving shaft, and a second tachometer is transmission-connected to the lower part of the second driving shaft; A wind direction indicating assembly, the wind direction indicating assembly comprising a wind vane and a detection assembly, the wind vane comprising a rotating shaft, the rotating shaft passing through the second through hole and connected to the detection assembly, the detection assembly being installed in the accommodating cavity; A blocking component, which is mounted on the main frame and is used to slow down the rotation speed of the lower wind wheel and the upper wind wheel when the wind force is too strong; A controller is electrically connected to the first speed meter and the second speed meter respectively.

[0005] Optionally, the detection component includes a supporting ring, on which a resistance coil is wound, a horizontal rod is installed at the lower part of the rotating shaft, a contact block is slidably installed at one end of the horizontal rod, a first spring is installed between the horizontal rod and the contact block, and the contact block is in contact with the resistance coil under the drive of the first spring. The main frame also includes a mobile power supply, which is connected to the resistance coil and the contact block through wires to form a detection circuit. An ammeter is also installed on the detection circuit, and the ammeter is electrically connected to the controller.

[0006] Optionally, the blocking assembly includes a blocking lever, which is rotatably mounted on one side of the main frame, a paddle is mounted in the middle of the blocking lever, a box body is mounted on one end of the blocking lever, one end of the blocking lever penetrates into the box body and is rotatably connected to the box body, a driving block is mounted on one side of the box body, teeth are mounted on one end of the driving block, a first motor is mounted on one side of the driving block, a first gear is mounted on the output end of the first motor, the first gear is meshed with the teeth, a clockwork spring is mounted in the box body, one end of the clockwork spring located inside is connected to the blocking lever, and an adjustment component for adjusting the elastic force of the clockwork spring is mounted on the driving block.

[0007] Optionally, the adjustment component includes a second motor, a second gear is installed on the output end of the second motor, an adjustment block is rotatably installed on the box body, a third gear is installed on the adjustment block, the third gear is meshed with the second gear, and one end of the clockwork spring located on the outside is connected to the adjustment block.

[0008] In one embodiment, a reinforcement component is also installed on the base, and the reinforcement component includes a plurality of clamping blocks, and the plurality of clamping blocks are evenly hingedly installed on the side surface of the base, and a fixed convex edge is installed at the lower part of the base, and the fixed convex edge is provided with a plurality of matching holes, and the side surface of the base is provided with a plurality of resisting grooves matching the clamping blocks, and a push component for pushing the lower end of the clamping block into the matching hole is installed inside the base, and the push component is connected to the rotating shaft in terms of transmission, and when the lower end of the clamping block enters the matching hole, the upper end of the clamping block enters the resisting groove to reinforce and support the side of the base.

[0009] The transmission gear of the present invention is a gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a first gear and a second gear selected from the group consisting of a

[0010] Optionally, the push member includes a push pin, and the side surface of the base is evenly distributed with a plurality of sliding holes, the push pin can be slidably installed in the sliding hole, a magnetic block is installed at one end of the push pin, the magnetic pole of the magnetic block is the same as the magnetic pole of the electromagnet, and a second spring is installed on the push pin.

[0011] Optionally, a lug is protruding from the side surface of the base, a transfer block is rotatably mounted on the lug, a torsion spring is installed between the transfer block and the lug, a sliding groove is provided on the side of the clamping block, and the other end of the transfer block is slidably mounted in the sliding groove.

[0012] Optionally, the upper wind wheel and the lower wind wheel both include an air guide cover, and the air guide cover on the upper wind wheel and the air guide cover on the lower wind wheel are installed in opposite directions.

[0013] Based on the above implementation, a test method for a wind power test device of a wind power generation system is proposed, which specifically includes the following steps: The wind drives the lower wind wheel and the upper wind wheel to rotate, and the first speed meter and the second speed meter measure the speed of the lower wind wheel and the upper wind wheel respectively; The controller obtains the speed values ​​measured by the first speed meter and the second speed meter, compares them, and takes the larger value as the final measurement value; The wind vane drives the contact block to move, changing the value of the current in the detection circuit. The ammeter reads the current value in the detection circuit and sends it to the controller. The controller determines the direction of the wind vane according to the current value. When the wind force is too strong and exceeds the limit value of the wind force test device, the first motor drives the blocking lever to rotate, so that the paddle rotates to the rotation path of the lower wind wheel and the upper wind wheel, and blocks and slows down the lower wind wheel and the upper wind wheel that rotate too fast; The weather vane drives the push assembly to rotate. When the push assembly drives the lower end of the tight block to enter the matching hole through the push piece, the upper end of the tight block enters the resisting groove to form an oblique support to reinforce the side of the base.

[0014] The beneficial effects of the present invention are as follows: by setting a blocking component, when the local wind force is too strong and causes the upper wind wheel and the lower wind wheel to rotate too fast, the controller makes the blocking component work, and the blocking component slows down the rotation speed of the upper wind wheel and the lower wind wheel, thereby protecting the safe use of the wind test device of the wind power generation system; a thrust component is set to reinforce and support the side of the base, thereby further improving the safe use of the wind test device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only for the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 Schematic diagram of a wind power test device for a wind power generation system according to an embodiment of the present invention Figure 1 ; Figure 2 A schematic diagram of a wind power test device of a wind power generation system according to an embodiment of the present invention with the base removed; Figure 3 Schematic diagram of a wind power test device for a wind power generation system according to an embodiment of the present invention Figure 2 ; Figure 4 for Figure 3 The enlarged schematic diagram of point A in the middle; Figure 5 is a schematic diagram of the interior of a box body according to an embodiment of the present invention; Figure 6 Another embodiment of the present invention is shown in FIG. Figure 1 ; Figure 7 Another embodiment of the present invention is shown in FIG. Figure 2 .

[0017] The markings in the figure are: 1. Base; 2. Main frame; 3. Horizontal spacer ring; 4. Lower wind wheel; 5. First drive shaft; 6. First tachometer; 7. Upper wind wheel; 8. Second drive shaft; 9. Second tachometer; 10. Weather vane; 11. Rotating shaft; 12. Support ring; 13. Resistance coil; 14. Horizontal rod; 15. Contact block; 16. Mobile power supply; 17. Blocking lever; 18. Paddle; 19. Box body; 20. Drive block; 21. Gear; 22. First motor ; 23. First gear; 24. Clockwork spring; 25. Second motor; 26. Second gear; 27. Adjustment block; 28. Third gear; 29. ​​Abutment block; 30. Fixed convex edge; 31. Matching hole; 32. Resistance groove; 33. Fixed gear; 34. Accommodation cavity; 35. First pulley; 36. Drive plate; 37. Fourth gear; 38. Second pulley; 39. Electromagnet; 40. Top pin; 41. Lug; 42. Transfer block; 43. Slide groove. Implementation

[0018] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0019] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0020] like Figure 1 and Figure 2As shown, a wind test device for a wind power generation system includes a base 1, and a receiving cavity is provided at the upper part of the base 1; a main frame 2 is installed on the base 1, and a horizontal spacer ring 3 is installed in the middle of the main frame 2; a lower wind wheel 4 is installed at the lower part of the horizontal spacer ring 3, and a first driving shaft 5 is installed in the middle of the lower wind wheel 4, and a first through hole is provided in the middle of the first driving shaft 5, and the lower part of the first driving shaft 5 passes through the main frame 2 and is installed with a first transmission gear, and a first tachometer 6 is installed at the lower part of the main frame 2, and the first driving shaft 5 is connected to the first tachometer 6 through gear transmission; an upper wind wheel 7 is installed at the upper part of the horizontal spacer ring 3, and a second driving shaft 8 is installed in the middle of the upper wind wheel 7, and the second driving shaft 8 is rotatably installed in the first through hole through a bearing connection, etc., and the second driving shaft 8 is rotatably installed in the first through hole through a bearing connection, etc. A second through hole is opened in the middle of the moving shaft 8, the lower part of the second driving shaft 8 passes through the first through hole and is installed with a second transmission gear, and a second speed meter 9 is also installed at the lower part of the main frame 2, and the second driving shaft 8 and the second speed meter 9 are connected through gear transmission; a wind direction indicating component is installed in the middle of the main frame 2, and the wind direction indicating component includes a wind vane 10 and a detection component, and the wind vane 10 includes a rotating shaft 11, which passes through the second through hole and is connected to the detection component, and the detection component is installed in the accommodating cavity to detect the direction indicated by the wind vane 10; a blocking component is also installed on the main frame 2, which is used to slow down the rotation speed of the lower wind wheel 4 and the upper wind wheel 7 when the wind force is too strong; it also includes a controller, which is electrically connected to the first speed meter 6 and the second speed meter 9 respectively.

[0021] Among them, the upper wind wheel 7 and the lower wind wheel 4 both include wind guide covers, and the installation directions of the wind guide covers on the upper wind wheel 7 and the wind guide covers on the lower wind wheel 4 are opposite, so that the rotation directions of the upper wind wheel 7 and the lower wind wheel 4 are opposite when driven by wind. The horizontal spacer ring 3 blocks the lower wind wheel 4 and the upper wind wheel 7 to reduce the mutual interference between the lower wind wheel 4 and the upper wind wheel 7 when they rotate in opposite directions. The controller compares the speeds detected by the first anemometer 6 and the second anemometer 9, and takes the larger speed as the measurement speed. When the local wind force is too strong and the rotation speed of the upper wind wheel 7 and the lower wind wheel 4 is too fast, the controller makes the blocking component work to slow down the rotation speed of the upper wind wheel 7 and the lower wind wheel 4, thereby protecting the safe use of the wind test device of the wind power generation system.

[0022] Specifically, Figure 2As shown, the detection assembly includes a support ring 12, on which a resistance coil 13 is wound, a horizontal rod 14 is installed at the lower part of the rotating shaft 11, a contact block 15 is slidably installed at one end of the horizontal rod 14, a first spring is installed between the horizontal rod 14 and the contact block 15, and the contact block 15 is driven by the first spring to contact the resistance coil 13, and the main frame 2 also includes a mobile power supply 16, which is connected to the resistance coil 13 and the contact block 15 through a wire to form a detection circuit, and an ammeter is also installed on the detection circuit, and the ammeter is electrically connected to the controller. When the wind vane 10 drives the rotating shaft 11 to rotate, it drives the horizontal rod 14 to rotate, and then drives the contact block 15 to slide on the support ring 12, the resistance value on the detection circuit changes, and then the current value on the detection circuit changes, and the change value of the current is a linear change, the support ring 12 can be marked according to the angle, and the angle of the support ring 12 corresponds to the current change value, and the angle indicated by the wind vane 10 can be obtained by knowing the change value of the current.

[0023] In one embodiment, Figure 3 , Figure 4 and Figure 5 As shown, the blocking assembly includes a blocking lever 17, which is rotatably installed on one side of the main frame 2, a paddle 18 is installed in the middle of the blocking lever 17, a box body 19 is installed at one end of the blocking lever 17, one end of the blocking lever 17 penetrates into the box body 19 and is rotatably connected to the box body 19, a driving block 20 is installed on one side of the box body 19, a tooth 21 is installed on one end of the driving block 20, a first motor 22 is installed on one side of the driving block 20, a first gear 23 is installed on the output end of the first motor 22, and the first gear 23 is meshed with the tooth 21, a clockwork spring 24 is installed in the box body 19, and one end of the clockwork spring 24 located inside is connected to the blocking lever 17, and an adjusting assembly for adjusting the elastic force of the clockwork spring 24 is installed on the driving block 20. When the blocking component needs to work, the first motor 22 drives the first gear 23 to rotate, and the first gear 23 drives the paddle 18 to rotate to the rotation path of the lower wind wheel 4 and the upper wind wheel 7 by meshing with the teeth 21, thereby blocking the rotation of the lower wind wheel 4 and the upper wind wheel 7. Because one end of the blocking lever 17 is connected to a clockwork spring 24, the contact between the paddle 18 and the lower wind wheel 4 and the upper wind wheel 7 is not a rigid contact, but a flexible contact, which will not cause damage to the lower wind wheel 4 and the upper wind wheel 7. The elastic force of the clockwork spring 24 can be adjusted by the adjustment component, and the blocking force of the paddle 18 on the lower wind wheel 4 and the upper wind wheel 7 can be further adjusted.

[0024] Specifically, the adjustment component includes a second motor 25, a second gear 26 is installed at the output end of the second motor 25, an adjustment block 27 is rotatably installed on the box body 19, a third gear 28 is installed on the adjustment block 27, the third gear 28 is meshed with the second gear 26, and one end of the spring 24 located outside is connected to the adjustment block 27. The second motor 25 drives the second gear 26 to rotate, and the second gear 26 meshes with the third gear 28 to drive the adjustment block 27 to rotate, and the adjustment block 27 adjusts the elastic force of the spring 24.

[0025] In one embodiment, Figure 6 and Figure 7 As shown, a reinforcement component is also installed on the base 1, and the reinforcement component includes a plurality of clamping blocks 29, and the plurality of clamping blocks 29 are evenly hingedly installed on the side surface of the base 1, and a fixed flange 30 is installed at the lower part of the base 1, and a plurality of matching holes 31 are opened on the fixed flange 30, and a plurality of resisting grooves 32 matching with the clamping blocks 29 are opened on the side surface of the base 1, and a push component for pushing the lower end of the clamping block 29 into the matching hole 31 is installed inside the base 1, and the push component is transmission-connected with the rotating shaft 11, and when the lower end of the clamping block 29 enters the matching hole 31, the upper end of the clamping block 29 enters the resisting groove 32, so as to reinforce and support the side of the base 1.

[0026] Specifically, the push assembly includes a fixed gear 33, a receiving cavity 34 is provided at the lower part of the base 1, and a fixed sleeve is convexly provided in the receiving cavity 34 in the middle part of the base 1, and the fixed gear 33 is installed on the fixed sleeve, and the rotating shaft 11 passes through the fixed sleeve and extends downward, and a first pulley 35 is installed at the lower end of the rotating shaft 11, and a driving plate 36 is rotatably installed on the fixed sleeve, and a transmission shaft is rotatably installed on the driving plate 36, and a fourth gear 37 and a second pulley 38 are installed on the transmission shaft, and the fourth gear 37 is meshed with the fixed gear 33, and the first pulley 35 and the second pulley 38 are connected by belt transmission, and an electromagnet 39 is installed at one end of the driving plate 36, and the electromagnet 39 is electrically connected to the controller, and a push piece matching the push assembly is also installed on the base 1, and the push assembly drives the tightening block 29 to work by magnetic driving of the push piece, and the direction of the driving plate 36 is the same as that of the wind vane 10.

[0027] Optionally, the push member includes a push pin 40, and a plurality of sliding holes are evenly distributed on the side surface of the base 1. The push pin 40 can be slidably installed in the sliding hole. A magnetic block is installed at one end of the push pin 40, and the magnetic pole of the magnetic block is the same as the magnetic pole of the electromagnet 39. A second spring is installed on the push pin 40. A lug 41 is protrudingly provided on the side surface of the base 1, and a transfer block 42 is rotatably installed on the lug 41. A torsion spring is installed between the transfer block 42 and the lug 41. A slide groove 43 is provided on the side of the tightening block 29, and the other end of the transfer block 42 can be slidably installed in the slide groove 43.

[0028] When the upper wind wheel 7 and the lower wind wheel 4 detect that the rotation speed is too fast, the controller energizes the electromagnet 39, and the electromagnet 39 pushes the top pin 40 to move under the action of magnetic force. The top pin 40 pushes the lower end of the clamping block 29 to slide toward the matching hole 31, and the upper end of the clamping block 29 enters the resisting groove 32 under the action of the transfer block 42, forming an oblique support to reinforce the side of the base 1, and the direction of the driving plate 36 is the same as that of the weather vane 10, so that the clamping block 29 on the side facing away from the wind direction supports the base 1, and when the weather vane 10 rotates, the driving plate 36 is driven to rotate accordingly through the transmission of the belt.

[0029] Based on the above implementation, a test method for a wind power test device of a wind power generation system is proposed, which specifically includes the following steps: The wind drives the lower wind wheel 4 and the upper wind wheel 7 to rotate, and the first speed meter 6 and the second speed meter 9 measure the speed of the lower wind wheel 4 and the upper wind wheel 7 respectively; The controller obtains the speed values ​​measured by the first speed meter 6 and the second speed meter 9, and compares them, and takes the larger value as the final measurement value; The wind vane 10 drives the contact block 15 to move, changing the value of the current in the detection circuit. The ammeter reads the current value in the detection circuit and sends it to the controller. The controller determines the direction in which the wind vane 10 points according to the current value. When the wind force is too strong and exceeds the limit value of the wind force testing device, the first motor 22 drives the blocking lever 17 to rotate, so that the paddle 18 rotates to the rotation path of the lower wind wheel 4 and the upper wind wheel 7, thereby blocking and slowing down the lower wind wheel 4 and the upper wind wheel 7 that rotate too fast; The weather vane 10 drives the push assembly to rotate. When the push assembly drives the lower end of the tightening block 29 to enter the matching hole 31 through the push piece, the upper end of the tightening block 29 enters the resisting groove 32 to form an oblique support to reinforce the side of the base 1.

[0030] The present invention sets a blocking component. When the local wind force is too strong and causes the upper wind wheel 7 and the lower wind wheel 4 to rotate too fast, the controller activates the blocking component to slow down the rotation speed of the upper wind wheel 7 and the lower wind wheel 4, thereby protecting the safety of the wind test device of the wind power generation system. A thrust component is set to reinforce and support the side of the base 1, thereby further improving the safety of the wind test device.

[0031] It should be understood by those skilled in the art that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the above aspects of the present invention, which are not provided in detail for the sake of simplicity.

[0032] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A wind power test device for a wind power generation system, comprising a base (1), wherein an accommodating cavity is provided at the upper portion of the base (1), characterized in that: Also includes: A main frame (2), the main frame (2) being mounted on the base (1), and a horizontal spacer ring (3) being mounted in the middle of the main frame (2); a lower wind wheel (4), the lower wind wheel (4) being rotatably mounted on the main frame (2) and being located at the lower part of the horizontal spacer ring (3); a first driving shaft (5) being mounted at the middle of the lower wind wheel (4); a first through hole being opened at the middle of the first driving shaft (5); and a first tachometer (6) being transmission-connected to the lower part of the first driving shaft (5); An upper wind wheel (7), a second drive shaft (8) is installed in the middle of the upper wind wheel (7), the second drive shaft (8) is rotatably installed in the first through hole, and the upper wind wheel (7) is located at the upper part of the horizontal spacer ring (3), a second through hole is opened in the middle of the second drive shaft (8), and the lower part of the second drive shaft (8) is transmission-connected to a second tachometer (9); A wind direction indicating assembly, the wind direction indicating assembly comprising a wind vane (10) and a detection assembly, the wind vane (10) comprising a rotating shaft (11), the rotating shaft (11) passing through the second through hole and connected to the detection assembly, the detection assembly being installed in the accommodating cavity; A blocking component, the blocking component being mounted on the main frame (2); A controller is electrically connected to the first speed meter (6) and the second speed meter (9) respectively.

2. The wind power test device of the wind power generation system according to claim 1, characterized in that: The detection component comprises a support ring (12), on which a resistance coil (13) is wound; a horizontal rod (14) is installed at the lower part of the rotating shaft (11); a contact block (15) is slidably installed at one end of the horizontal rod (14); a first spring is installed between the horizontal rod (14) and the contact block (15); driven by the first spring, the contact block (15) contacts the resistance coil (13); the main frame (2) also comprises a mobile power source (16); the mobile power source (16) is connected to the resistance coil (13) and the contact block (15) through a wire to form a detection circuit; an ammeter is also installed on the detection circuit; the ammeter is electrically connected to the controller.

3. The wind power test device of the wind power generation system according to claim 1, characterized in that: The blocking assembly comprises a blocking lever (17), the blocking lever (17) being rotatably mounted on one side of the main frame (2), a paddle (18) being mounted in the middle of the blocking lever (17), a box body (19) being mounted on one end of the blocking lever (17), one end of the blocking lever (17) penetrating into the box body (19) and being rotatably connected to the box body (19), a driving block (20) being mounted on one side of the box body (19), one end of the driving block (20) being A tooth (21) is installed, a first motor (22) is installed on one side of the driving block (20), a first gear (23) is installed at the output end of the first motor (22), the first gear (23) is meshed with the tooth (21), a spring (24) is installed in the box body (19), one end of the spring (24) located inside is connected to the blocking lever (17), and an adjustment component for adjusting the elastic force of the spring (24) is installed on the driving block (20).

4. The wind power test device of the wind power generation system according to claim 3, characterized in that: The adjustment component comprises a second motor (25), the output end of the second motor (25) is provided with a second gear (26), the box body (19) is rotatably provided with an adjustment block (27), the adjustment block (27) is provided with a third gear (28), the third gear (28) is meshed with the second gear (26), and an end of the spring spring (24) located outside is connected with the adjustment block (27).

5. The wind power test device of the wind power generation system according to claim 1, characterized in that: The base (1) is also provided with a reinforcement component, the reinforcement component comprising a plurality of abutting blocks (29), the plurality of abutting blocks (29) being evenly hingedly mounted on the side surface of the base (1), a fixed convex edge (30) being mounted on the lower part of the base (1), the fixed convex edge (30) being provided with a plurality of matching holes (31), the side surface of the base (1) being provided with a plurality of resisting grooves (32) matching the abutting blocks (29), a push component for pushing the lower end of the abutting block (29) into the matching hole (31) being mounted inside the base (1), the push component being transmission-connected to the rotating shaft (11), when the lower end of the abutting block (29) enters the matching hole (31), the upper end of the abutting block (29) enters the resisting groove (32), thereby providing reinforcement support to the side surface of the base (1).

6. The wind power test device for a wind power generation system according to claim 5, characterized in that: The push assembly comprises a fixed gear (33), a receiving cavity (34) is provided at the lower part of the base (1), a fixed sleeve is provided protrudingly in the receiving cavity (34) at the middle part of the base (1), the fixed gear (33) is mounted on the fixed sleeve, the rotating shaft (11) passes through the fixed sleeve and extends downward, a first pulley (35) is mounted at the lower end of the rotating shaft (11), a driving plate (36) is rotatably mounted on the fixed sleeve, a transmission shaft is rotatably mounted on the driving plate (36), and a fourth gear (37) is mounted on the transmission shaft. The fourth gear (37) is meshed with the fixed gear (33), the first pulley (35) is connected to the second pulley (38) through a belt transmission, an electromagnet (39) is installed at one end of the driving plate (36), and the electromagnet (39) is electrically connected to the controller. A push piece that cooperates with the push assembly is also installed on the base (1), and the push assembly drives the push piece to drive the locking block (29) to work through magnetic force. The direction of the driving plate (36) is the same as that of the weather vane (10).

7. The wind power test device of the wind power generation system according to claim 6, characterized in that: The push member comprises a push pin (40), a plurality of sliding holes are evenly distributed on the side surface of the base (1), the push pin (40) is slidably installed in the sliding hole, a magnetic block is installed at one end of the push pin (40), the magnetic pole of the magnetic block is the same as the magnetic pole of the electromagnet (39), and a second spring is installed on the push pin (40).

8. The wind power test device of the wind power generation system according to claim 6, characterized in that: A lug (41) is protrudingly provided on the side surface of the base (1), a transfer block (42) is rotatably mounted on the lug (41), a torsion spring is installed between the transfer block (42) and the lug (41), a sliding groove (43) is provided on the side surface of the clamping block 29, and the other end of the transfer block (42) is slidably mounted in the sliding groove (43).

9. The wind power test device of the wind power generation system according to claim 1, characterized in that: The upper wind wheel (7) and the lower wind wheel (4) both comprise an air guide cover, and the air guide cover on the upper wind wheel (7) and the air guide cover on the lower wind wheel (4) are installed in opposite directions.

10. A method for testing a wind power test device of a wind power generation system according to any one of claims 1 to 9, characterized in that: The steps include: The wind drives the lower wind wheel (4) and the upper wind wheel (7) to rotate, and the first speed meter (6) and the second speed meter (9) respectively measure the speed of the lower wind wheel (4) and the upper wind wheel (7); The controller obtains the speed values ​​measured by the first speed meter (6) and the second speed meter (9), compares them, and takes the larger value as the final measurement value; The wind vane (10) drives the contact block (15) to move, changing the value of the current in the detection circuit. The ammeter reads the current value in the detection circuit and sends it to the controller. The controller determines the direction in which the wind vane (10) points according to the current value. When the wind force is too strong and exceeds the limit value of the wind force testing device, the first motor (22) drives the blocking lever (17) to rotate, so that the paddle (18) rotates to the rotation path of the lower wind wheel (4) and the upper wind wheel (7), thereby blocking and slowing down the lower wind wheel (4) and the upper wind wheel (7) that are rotating too fast; The weather vane (10) drives the push assembly to rotate. When the push assembly drives the lower end of the tightening block (29) to enter the matching hole (31) through the push piece, the upper end of the tightening block (29) enters the resisting groove (32), forming an oblique support to reinforce the side of the base (1).

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