Analog wind turbine performance testing device and method of use

Abstract

The application discloses a kind of simulation fan performance testing device and its using method, it is related to fan testing technical field.The application includes fan main body, air inlet pipe and air outlet pipe, the side of fan main body is provided with air inlet pipe, one end of fan main body is provided with air outlet pipe, the outside of air inlet pipe and the outside of air outlet pipe are all fixedly connected with the design of simulation test structure of matching and fixing, the design of simulation test structure of matching and fixing includes main body carrying test module, guiding matching and adjusting module and matching and adjusting clamping fixed module.The application is designed by the design of simulation test structure of matching and fixing, so that the device is convenient to adjust the matching size and position of itself according to the need, to facilitate application in the position of the air inlet and air outlet of a variety of different sizes of fan, greatly improve the adaptation applicability, and by the design of main body carrying test module in simulation test structure of matching and fixing, it is convenient to obtain the air volume of air outlet and air inlet.

Description

Technical Field

[0001] This invention relates to the field of wind turbine testing technology, specifically to a device for simulating wind turbine performance testing and its usage method. Background Technology

[0002] A fan is a machine that uses input mechanical energy to increase gas pressure and discharge gas. It is a type of driven fluid machinery. In China, "fan" is a common abbreviation for gas compression and gas transportation machinery. The term "fan" usually includes ventilators, blowers, and wind turbines.

[0003] To determine the performance of a fan, it is often necessary to know the fan's intake and exhaust air volume, which requires the use of appropriate testing equipment.

[0004] However, existing simulated wind turbine performance tests are not convenient to adjust the size of the mounting position during use, resulting in poor adaptability and inconvenience in application during simulation testing. Therefore, a new solution is needed to address these issues. Summary of the Invention

[0005] The purpose of this invention is to provide a simulated wind turbine performance testing device and its usage method to solve the existing problems: existing simulated wind turbine performance testing devices are not convenient to adjust the size of the mounting position during use, resulting in poor adaptability and inconvenience in application during simulation testing.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a simulated fan performance testing device, comprising a fan body, an inlet pipe, and an outlet pipe. An inlet pipe is provided on one side of the fan body, and an outlet pipe is provided at one end of the fan body. A mounting and fixing simulation test structure is fixedly connected to the outer side of both the inlet pipe and the outlet pipe. The mounting and fixing simulation test structure includes a main body mounting test module, a guide adjustment module, and an adjustment clamping and fixing module. Guide adjustment modules are fixedly connected to both sides of the main body mounting test module, and an adjustment clamping and fixing module is fixedly connected to the side of the guide adjustment module away from the main body mounting test module.

[0007] Preferably, the main body equipped with the test module includes a test tube, a matching ring, a mounting positioning groove, a transmission shaft, a rotating column, and fan blades. One end of the test tube is rotatably connected to the matching ring, and mounting positioning grooves are provided on both sides of the matching ring. The inner side of the test tube is rotatably connected to the transmission shaft, and the outer side of the transmission shaft is fixedly connected to the rotating column. Multiple fan blades are fixedly connected to the outer side of the rotating column.

[0008] Preferably, the main body carrying the test module further includes a drive rod, a support base, a housing, an impeller, a magnetic sheet, a Hall sensor, and a computing display screen. The bottom end of the support base is fixedly connected to the test tube, the top end of the main body carrying the test module is fixedly connected to the support base, the top end of the support base is fixedly connected to the housing, the top end of the transmission shaft is fixedly connected to the drive rod, the drive rod is rotatably connected to the housing, the outer side of the drive rod is fixedly connected to the impeller, one end of the support base is fixedly connected to the magnetic sheet, the inner side of the housing is fixedly connected to the Hall sensor, the outer side of the housing is fixedly connected to the computing display screen, and the Hall sensor is electrically connected to the computing display screen.

[0009] Preferably, the guiding and adjusting module includes a guide strip, a displacement slider, an outer frame, a reserved slot, a first handwheel, a first threaded rod, and adjusting positioning holes. The guide strip is fixedly connected to the inner side of the positioning slot, and multiple adjusting positioning holes are opened on the inner side of the guide strip. The displacement slider is slidably connected to the outer side of the guide strip. The outer frame is fixedly connected to one side of the displacement slider. The reserved slot is opened on the inner side of the outer frame. The first threaded rod is threadedly connected to the inner side of the displacement slider, and the first handwheel is fixedly connected to one side of the first threaded rod.

[0010] Preferably, the first threaded rod and the adjusting positioning hole are in clearance fit, and the displacement slider and the guide bar are fixedly connected by inserting the first threaded rod into the inner side of the adjusting positioning hole.

[0011] Preferably, the adjusting clamping and fixing module includes a guide stroke frame, a second handwheel, a second threaded rod, a moving block, a guide limiting block, and a storage guide groove. The guide stroke frame is fixedly connected to one side of the outer frame. The top of the guide stroke frame is rotatably connected to the second handwheel. The bottom of the second handwheel is fixedly connected to the second threaded rod. The bottom of the second threaded rod is rotatably connected to the inner side of the guide stroke frame. The moving block is slidably connected to the inner side of the guide stroke frame. The inner side of the moving block is threadedly connected to the second threaded rod. A guide limiting block is fixedly connected to one side of the moving block. A storage guide groove is provided on the inner side of the guide limiting block.

[0012] Preferably, the clamping and fixing module further includes a moving guide block, a guide block, a self-locking motor, a gear shaft, a rack, and an L-shaped drive plate. The inner side of the receiving guide groove is fixedly connected to the guide block and the moving guide block. The moving guide block is located outside the guide block. The bottom end of the moving guide block is fixedly connected to the self-locking motor by screws. The output end of the self-locking motor is fixedly connected to the gear shaft. The top end of the gear shaft is rotatably connected to the inner side of the moving guide block. The inner side of the guide block is slidably connected to the rack. One end of the rack is meshed with the gear shaft. The rack and the receiving guide groove are in clearance fit. One side of the rack is fixedly connected to the L-shaped drive plate.

[0013] Preferably, the clamping and fixing module further includes a clamping and fixing frame, a base plate, a third handwheel, a third threaded rod, and a clamping and fixing plate. One end of the L-shaped drive plate is fixedly connected to the clamping and fixing frame, one side of the clamping and fixing frame is fixedly connected to the base plate, the other side of the clamping and fixing frame is threadedly connected to the third threaded rod, one side of the third threaded rod is fixedly connected to the third handwheel, and the side of the third threaded rod away from the third handwheel is rotatably connected to the clamping and fixing plate.

[0014] A method for using a simulated wind turbine performance testing device, for the above-mentioned purposes:

[0015] S1: Rotate the adjustment ring to guide the adjustment module to complete the angle adjustment, thereby adapting to the angle position of different fittings;

[0016] S2: Based on the extension positions of the air inlet and outlet pipes, and the required depth of the fixed simulation test structure to the inside of the air inlet and outlet pipes, the position of the fixed simulation test structure close to the air inlet and outlet pipes is adjusted by the guide adjustment module.

[0017] S3: According to the position requirements of the clamping and fixing simulation test structure of the air inlet pipe and the air outlet pipe, adjust the clamping and fixing module to the corresponding height and width to complete the clamping and fixing of the clamping and fixing simulation test structure at the position of the air inlet pipe and the air outlet pipe.

[0018] S4: Fixed simulation test structures are installed at both the air inlet and outlet duct positions to test the air volume and air speed.

[0019] Compared with the prior art, the beneficial effects of the present invention are:

[0020] 1. The present invention, through the design of a fixed simulation test structure, makes it easy to adjust its own size and position according to the needs of use, thereby making it easy to be applied to the positions of air inlets and outlets of various sizes of fans, greatly improving its adaptability and applicability.

[0021] 2. The present invention, through the design of equipping the main body of the fixed simulation test structure with the test module, facilitates the convenient acquisition of air volume at the air outlet and air inlet. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 This is a bottom view of the entire invention;

[0025] Figure 3 This is a partial structural diagram of the fixed simulation test structure of the present invention;

[0026] Figure 4 This is a front view of the main body of the invention equipped with the test module;

[0027] Figure 5 This is a partial structural diagram of the main body of the invention equipped with a test module;

[0028] Figure 6 This is a partial structural diagram of the guidance and coordination module of the present invention;

[0029] Figure 7 This is a partial structural diagram of the clamping and fixing module of the present invention;

[0030] Figure 8 This is a top view of the clamping and fixing module of the present invention.

[0031] In the diagram: 1. Fan body; 2. Inlet duct; 3. Outlet duct; 4. Mounted fixed simulation test structure; 5. Main body equipped with test module; 6. Guide and adjustment module; 7. Adjustment clamping and fixing module; 8. Test tube; 9. Adjustment ring; 10. Mounted positioning slot; 11. Conducting shaft; 12. Rotating column; 13. Fan blade; 14. Drive rod; 15. Support base; 16. Box; 17. Impeller; 18. Magnetic sheet; 19. Hall sensor; 20. Calculation display screen; 21. Guide strip; 22. Displacement slider 23. Outer frame; 24. Reserved slot; 25. First handwheel; 26. First threaded rod; 27. Adjustment positioning hole; 28. Guide stroke frame; 29. ​​Second handwheel; 30. Second threaded rod; 31. Moving block; 32. Guide limit block; 33. Storage guide slot; 34. Moving guide block; 35. Guide block; 36. Self-locking motor; 37. Gear shaft; 38. Rack; 39. L-shaped drive plate; 40. Clamping and fixing frame; 41. Base plate; 42. Third handwheel; 43. Third threaded rod; 44. Clamping and fixing plate. Detailed Implementation

[0032] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0033] Example 1:

[0034] Please see Figure 1-8A simulated fan performance testing device includes a fan body 1, an inlet pipe 2, and an outlet pipe 3. The inlet pipe 2 is provided on one side of the fan body 1, and the outlet pipe 3 is provided at one end of the fan body 1. A fixed simulation test structure 4 is fixedly connected to the outer side of both the inlet pipe 2 and the outlet pipe 3. The fixed simulation test structure 4 includes a main body mounting test module 5, a guide adjustment module 6, and an adjustment clamping and fixing module 7. The guide adjustment module 6 is fixedly connected to both sides of the main body mounting test module 5, and the adjustment clamping and fixing module 7 is fixedly connected to the side of the guide adjustment module 6 away from the main body mounting test module 5.

[0035] The main body of the test module 5 includes a test tube 8, a matching ring 9, a mounting positioning groove 10, a transmission shaft 11, a rotating column 12, and a fan blade 13. One end of the test tube 8 is rotatably connected to the matching ring 9. The matching ring 9 has mounting positioning grooves 10 on both sides. The inner side of the test tube 8 is rotatably connected to the transmission shaft 11. The outer side of the transmission shaft 11 is fixedly connected to the rotating column 12. Multiple fan blades 13 are fixedly connected to the outer side of the rotating column 12.

[0036] The main body equipped with the test module 5 also includes a drive rod 14, a support base 15, a housing 16, an impeller 17, a magnetic sheet 18, a Hall sensor 19, and a computing display screen 20. The bottom end of the support base 15 is fixedly connected to the test tube 8. The top end of the main body equipped with the test module 5 is fixedly connected to the support base 15. The top end of the support base 15 is fixedly connected to the housing 16. The top end of the transmission shaft 11 is fixedly connected to the drive rod 14. The drive rod 14 is rotatably connected to the housing 16. The outer side of the drive rod 14 is fixedly connected to the impeller 17. One end of the support base 15 is fixedly connected to the magnetic sheet 18. The inner side of the housing 16 is fixedly connected to the Hall sensor 19. The outer side of the housing 16 is fixedly connected to the computing display screen 20. The Hall sensor 19 is electrically connected to the computing display screen 20.

[0037] The guide adjustment module 6 includes a guide bar 21, a displacement slider 22, an outer frame 23, a reserved slot 24, a first handwheel 25, a first threaded rod 26, and adjustment positioning holes 27. The guide bar 21 is fixedly connected to the inner side of the positioning slot 10. Multiple adjustment positioning holes 27 are opened on the inner side of the guide bar 21. The displacement slider 22 is slidably connected to the outer side of the guide bar 21. The outer frame 23 is fixedly connected to one side of the displacement slider 22. The reserved slot 24 is opened on the inner side of the outer frame 23. The first threaded rod 26 is threadedly connected to the inner side of the displacement slider 22. The first handwheel 25 is fixedly connected to one side of the first threaded rod 26.

[0038] The first threaded rod 26 and the adjusting positioning hole 27 are clearance fit, and the displacement slider 22 and the guide strip 21 are fixedly connected by inserting the first threaded rod 26 into the inner side of the adjusting positioning hole 27.

[0039] The clamping and fixing module 7 includes a guide stroke frame 28, a second handwheel 29, a second threaded rod 30, a moving block 31, a guide limit block 32, and a storage guide groove 33. The guide stroke frame 28 is fixedly connected to one side of the outer frame 23. The second handwheel 29 is rotatably connected to the top of the guide stroke frame 28. The second threaded rod 30 is fixedly connected to the bottom of the second handwheel 29. The bottom of the second threaded rod 30 is rotatably connected to the inner side of the guide stroke frame 28. The moving block 31 is slidably connected to the inner side of the guide stroke frame 28. The inner side of the moving block 31 is threadedly connected to the second threaded rod 30. The guide limit block 32 is fixedly connected to one side of the moving block 31. The storage guide groove 33 is opened on the inner side of the guide limit block 32.

[0040] The clamping and fixing module 7 also includes a moving guide block 34, a guide block 35, a self-locking motor 36, a gear shaft 37, a rack 38, and an L-shaped drive plate 39. The guide block 35 and the moving guide block 34 are fixedly connected to the inner side of the receiving guide groove 33. The moving guide block 34 is located outside the guide block 35. The bottom end of the moving guide block 34 is fixedly connected to the self-locking motor 36 by screws. The output end of the self-locking motor 36 is fixedly connected to the gear shaft 37. The top end of the gear shaft 37 is rotatably connected to the inner side of the moving guide block 34. The rack 38 is slidably connected to the inner side of the guide block 35. One end of the rack 38 is meshed with the gear shaft 37. The rack 38 and the receiving guide groove 33 are in clearance fit. The L-shaped drive plate 39 is fixedly connected to one side of the rack 38.

[0041] The clamping and fixing module 7 also includes a clamping and fixing frame 40, a base plate 41, a third handwheel 42, a third threaded rod 43, and a clamping and fixing plate 44. One end of the L-shaped drive plate 39 is fixedly connected to the clamping and fixing frame 40. One side of the clamping and fixing frame 40 is fixedly connected to the base plate 41. The other side of the clamping and fixing frame 40 is threadedly connected to the third threaded rod 43. One side of the third threaded rod 43 is fixedly connected to the third handwheel 42. The side of the third threaded rod 43 away from the third handwheel 42 is rotatably connected to the clamping and fixing plate 44.

[0042] Example 2:

[0043] A method for using a simulated wind turbine performance testing device, for the above-mentioned purposes:

[0044] S1: Rotate the adjustment ring 9 to guide the adjustment module 6 to complete the angle adjustment, thereby adapting to the angle position of different fittings;

[0045] S2: Based on the extension positions of the air inlet pipe 2 and the air outlet pipe 3, and the required depth of the fixed simulation test structure 4 to the inner side of the air inlet pipe 2 and the air outlet pipe 3, the position of the fixed simulation test structure 4 close to the air inlet pipe 2 and the air outlet pipe 3 is adjusted by the guide adjustment module 6.

[0046] During the adjustment process, the first handwheel 25 is rotated, which drives the first threaded rod 26 to rotate. The displacement slider 22 is threadedly connected to the first threaded rod 26, causing the first handwheel 25 to move the first threaded rod 26 closer to the outer frame 23. This allows the first threaded rod 26 to be pulled out of the adjustment positioning hole 27. At this time, the displacement slider 22 is pushed, and the guide strip 21 guides the displacement slider 22 to slide and move the adjustment clamping and fixing module 7 to a suitable position. After reaching the suitable application position, the first handwheel 25 is rotated in the opposite direction, and the first handwheel 25 drives the first threaded rod 26 to insert into the adjustment positioning hole 27 at the appropriate position, thereby completing the adjustment and fixing.

[0047] S3: According to the position requirements of the clamping and fixing of the simulation test structure 4 between the air inlet pipe 2 and the air outlet pipe 3, adjust the clamping and fixing module 7 to the corresponding height and width to complete the clamping and fixing of the simulation test structure 4 between the air inlet pipe 2 and the air outlet pipe 3.

[0048] By rotating the second handwheel 29, the second threaded rod 30 is driven to rotate. The threaded connection between the second threaded rod 30 and the moving block 31 enables the moving block 31 to obtain torque. The sliding connection between the moving block 31 and the guide stroke frame 28 limits the torque at the moving block 31 to form a sliding displacement. The sliding displacement of the moving block 31 is used to adjust the height of the clamping position.

[0049] By controlling the self-locking motor 36 to drive the gear shaft 37 to rotate, and by the meshing connection between the gear shaft 37 and the rack 38, the rack 38 is driven by the gear shaft 37 to drive the L-shaped drive plate 39 to complete the lateral adjustment, thereby completing the corresponding width adjustment.

[0050] The surface of the substrate 41 near the third handwheel 42 is attached to the inner wall of the air inlet pipe 2 and the air outlet pipe 3. During the clamping process, the third handwheel 42 is rotated, and the third threaded rod 43 is rotated by the third handwheel 42. The threaded connection between the third threaded rod 43 and the clamping fixing frame 40 is used to push the clamping fixing plate 44 close to the substrate 41, thereby completing the opposing clamping and fixing, thus forming the overall fixing of the assembled fixed simulation test structure 4.

[0051] S4: Fixed simulation test structure 4 is installed at both the air inlet duct 2 and the air outlet duct 3. The air volume and air speed are tested using the fixed simulation test structure 4.

[0052] When airflow passes through the air inlet duct 2 and the air outlet duct 3, the airflow blows the fan blades 13, which in turn drive the rotating column 12 and the transmission shaft 11 to rotate. The transmission shaft 11 then drives the drive rod 14 to rotate, which in turn drives the support base 15 to rotate synchronously. The magnetic sheet 18 at the support base 15 contacts the Hall sensor 19 once per revolution, and the Hall sensor 19 transmits the contact signal to the computing display screen 20. The microcontroller in the computing display screen 20 determines the airflow based on the contact signal transmitted by the Hall sensor 19 per unit time.

[0053] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A kind of simulation fan performance testing device, including fan main body (1), air inlet pipe (2) and air outlet pipe (3), the side of fan main body (1) is provided with air inlet pipe (2), one end of fan main body (1) is provided with air outlet pipe (3), it is characterized by: The outer side of the air inlet pipe (2) and the outer side of the air outlet pipe (3) are fixedly connected with a matching fixed simulation test structure (4), the matching fixed simulation test structure (4) comprises a main body carrying test module (5), a guide matching module (6) and a matching clamping and fixing module (7), the guide matching module (6) is fixedly connected on both sides of the main body carrying test module (5), and the matching clamping and fixing module (7) is fixedly connected on the side, away from the main body carrying test module (5), of the guide matching module (6); The main body carrying test module (5) comprises a matching test pipe (8), a matching ring (9), a carrying positioning groove (10), a transmission shaft (11), a rotating column (12) and a fan blade (13), one end of the matching test pipe (8) is rotatably connected with the matching ring (9), both sides of the matching ring (9) are provided with the carrying positioning groove (10), the inner side of the matching test pipe (8) is rotatably connected with the transmission shaft (11), the outer side of the transmission shaft (11) is fixedly connected with the rotating column (12), and the outer side of the rotating column (12) is fixedly connected with a plurality of fan blades (13); The guide matching module (6) comprises a guide strip (21), a displacement sliding block (22), an outer frame (23), a reserved groove (24), a first hand wheel (25), a first threaded rod (26) and a matching positioning hole (27), the inner side of the carrying positioning groove (10) is fixedly connected with the guide strip (21), a plurality of matching positioning holes (27) are formed in the inner side of the guide strip (21), the outer side of the guide strip (21) is slidably connected with the displacement sliding block (22), one side of the displacement sliding block (22) is fixedly connected with the outer frame (23), the inner side of the outer frame (23) is provided with the reserved groove (24), the inner side of the displacement sliding block (22) is threadedly connected with the first threaded rod (26), and one side of the first threaded rod (26) is fixedly connected with the first hand wheel (25); The matching clamping and fixing module (7) comprises a guide stroke frame (28), a second hand wheel (29), a second threaded rod (30), a matching block (31), a guide limiting block (32) and a storage guide groove (33), one side of the outer frame (23) is fixedly connected with the guide stroke frame (28), the top end of the guide stroke frame (28) is rotatably connected with the second hand wheel (29), the bottom end of the second hand wheel (29) is fixedly connected with the second threaded rod (30), the bottom end of the second threaded rod (30) is rotatably connected with the inner side of the guide stroke frame (28), the inner side of the guide stroke frame (28) is slidably connected with the matching block (31), the inner side of the matching block (31) is threadedly connected with the second threaded rod (30), one side of the matching block (31) is fixedly connected with the guide limiting block (32), and the inner side of the guide limiting block (32) is provided with the storage guide groove (33). The matching and clamping fixing module (7) further includes a dynamic guide block (34), a guide block (35), a self-locking motor (36), a gear shaft (37), a rack (38) and an L-shaped driving plate (39), the inner side of the receiving guide groove (33) is fixedly connected with the guide block (35) and the dynamic guide block (34), the dynamic guide block (34) is located on the outer side of the guide block (35), the bottom end of the dynamic guide block (34) is fixedly connected with the self-locking motor (36) through a screw, the output end of the self-locking motor (36) is fixedly connected with the gear shaft (37), the top end of the gear shaft (37) is rotatably connected with the inner side of the dynamic guide block (34), the inner side of the guide block (35) is slidably connected with the rack (38), one end of the rack (38) is meshingly connected with the gear shaft (37), the rack (38) is gap-fitted with the receiving guide groove (33), and one side of the rack (38) is fixedly connected with the L-shaped driving plate (39).

2. The device for testing performance of an analog wind turbine according to claim 1, characterized in that: The main body test module (5) further includes a driving rod (14), a support base (15), a box body (16), an impeller (17), a magnetic sheet (18), a Hall sensor (19) and a calculation display screen (20), the bottom end of the support base (15) is fixedly connected with the test pipe (8), the top end of the main body test module (5) is fixedly connected with the support base (15), the top end of the support base (15) is fixedly connected with the box body (16), the top end of the transmission shaft (11) is fixedly connected with the driving rod (14), the driving rod (14) is rotatably connected with the box body (16), the outer side of the driving rod (14) is fixedly connected with the impeller (17), one end of the support base (15) is fixedly connected with the magnetic sheet (18), the inner side of the box body (16) is fixedly connected with the Hall sensor (19), the outer side of the box body (16) is fixedly connected with the calculation display screen (20), and the Hall sensor (19) is electrically connected with the calculation display screen (20).

3. The device for testing performance of an analog wind turbine according to claim 2, characterized in that: The first threaded rod (26) is gap-fitted with the matching positioning hole (27), and the displacement sliding block (22) and the guide strip (21) are fixedly connected by inserting the first threaded rod (26) into the inner side of the matching positioning hole (27).

4. The device for testing performance of an analog wind turbine according to claim 3, characterized in that: The matching and clamping fixing module (7) further includes a clamping fixing frame (40), a base plate (41), a third hand wheel (42), a third threaded rod (43) and a clamping fixing plate (44), one end of the L-shaped driving plate (39) is fixedly connected with the clamping fixing frame (40), one side of the clamping fixing frame (40) is fixedly connected with the base plate (41), the other side of the clamping fixing frame (40) is threadedly connected with the third threaded rod (43), one side of the third threaded rod (43) is fixedly connected with the third hand wheel (42), and the side, away from the third hand wheel (42), of the third threaded rod (43) is rotatably connected with the clamping fixing plate (44).

5. A method of using a simulated wind turbine performance testing device, for a simulated wind turbine performance testing device according to any one of claims 1-4, characterized in that: S1: Rotate the matching ring (9), use the matching ring (9) to drive the guide matching module (6) to complete angle adjustment, so as to adapt to the angle position of different matching; S2: According to the extension position of the air inlet pipe (2) and the air outlet pipe (3), and the position requirement of the matching fixed type simulation test structure (4) applied to the inside depth of the air inlet pipe (2) and the air outlet pipe (3), adjust the position of the matching fixed type simulation test structure (4) close to the air inlet pipe (2) and the air outlet pipe (3) through the guide matching module (6); S3: According to the requirement of clamping the matching fixed type simulation test structure (4) in the position of the air inlet pipe (2) and the air outlet pipe (3), adjust to the corresponding height and width through the matching clamping fixed module (7), complete the clamping and fixing of the matching fixed type simulation test structure (4) in the position of the air inlet pipe (2) and the air outlet pipe (3); S4: Fix the matching fixed type simulation test structure (4) in the position of the air inlet pipe (2) and the air outlet pipe (3), complete the test of air volume and air speed by using the matching fixed type simulation test structure (4).

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