Full-power intelligent test platform for large fan set

Abstract

The invention, which relates to the technical field of wind turbine generator testing, discloses a full-power intelligent test platform for a large-scale wind turbine generator set, comprising a platform base which is fixedly mounted on the bottom surface through bolts, a rotating base which is movably arranged on the top surface of the platform base, and a test ring which is fixedly arranged on the top of the rotating base. The test ring is used for clamping a fan unit on a fan unit main body, a driving ring is movably arranged in the test ring, the driving ring is used for clamping fan blades on the fan unit main body, and the driving ring drives the fan blades to rotate and controls pressure applied to the fan blades; the full-power intelligent test platform for the large fan set can rapidly and intelligently test the fan set main body in an indoor windless environment, and the wind power set and the fan blades of the fan set main body work in actual operation, so that the actual test performance of the fan set main body can be accurately obtained, the test platform is not influenced by the environment, and the test efficiency is improved. And the test difficulty of the fan set main body is greatly reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wind turbine testing, in particular to a large wind turbine full-power intelligent testing platform. BACKGROUND

[0002] A wind turbine is a system that converts the kinetic energy of wind into electrical energy, and a large wind turbine full-power intelligent testing platform is a device specially used for testing wind turbines to ensure that the wind turbine can operate normally after being put into operation.

[0003] The existing large wind turbine full-power intelligent testing platform, such as the device for testing the rigidity of a blade and the corresponding testing method disclosed in the patent with publication number CN109578223A, can only test the rigidity of the blade on the wind turbine and cannot test the corresponding mechanical fatigue trend of the blade in rotation, resulting in that the quality of the wind turbine cannot be accurately guaranteed. SUMMARY

[0004] In order to overcome the above technical problems, the purpose of the present application is to provide a large wind turbine full-power intelligent testing platform to solve the problem in the prior art that the intelligent testing platform can only test the equipment on the wind turbine in a fixed manner and cannot simulate the mechanical fatigue trend of the wind turbine in the actual working environment, resulting in that the quality of the wind turbine cannot be accurately guaranteed.

[0005] The purpose of the present application can be achieved by the following technical solutions:

[0006] Specifically, a large wind turbine full-power intelligent testing platform is provided, which comprises a platform base fixedly installed on the bottom surface by bolts, a rotating base movably arranged on the top surface of the platform base, a test ring fixedly arranged on the top of the rotating base, the test ring being used for clamping a wind turbine unit on a wind turbine main body, a drive ring movably arranged in the test ring, the drive ring being used for clamping a wind turbine blade on the wind turbine main body, the drive ring driving the wind turbine blade to rotate and controlling the wind turbine blade to be subjected to pressure, a control module loaded on the rotating base, the control module collecting pressure data of the wind turbine blade and rotation speed data of the wind turbine blade in real time, the control module collecting power generation data of the wind turbine unit in real time, the control module collecting resistance change data of the wind turbine blade in real time through the drive ring, and the control module generating test parameters based on the rotation speed data, the power generation data and the resistance change data.

[0007] As a further scheme of the present application, a first motor is connected to the bottom surface side wall of the platform base by bolts.

[0008] As a further scheme of the present application, the rotating base comprises a base body, the bottom surface of the base body is fixedly connected with a driving gear slot, and the output shaft of the first motor is engaged with the driving gear slot through a gear.

[0009] As a further scheme of the present application, the test ring comprises a fixed ring body, a rotating groove is arranged on the inner side of the fixed ring body, and a fixed frame is fixedly connected to one side of the fixed ring body.

[0010] As a further scheme of the present application, the driving ring comprises a rotating ring body, the rotating ring body is matched with the rotating groove, three groups of load adjusting mechanisms are fixedly connected to the side surface of the rotating ring body at equal intervals, and a gear slot ring is fixedly connected to one side of the rotating ring body.

[0011] As a further scheme of the present application, the inside of the base body is connected with a second motor through a bolt, and the output shaft of the second motor is engaged with the side surface of the gear slot ring through a gear.

[0012] As a further scheme of the present application, the load adjusting mechanism comprises a cylindrical body, a hydraulic push rod is fixedly connected to the side surface of the cylindrical body, and a telescopic base is slidingly connected to one end of the cylindrical body, and the hydraulic push rod is connected to the inside end of the telescopic base.

[0013] As a further scheme of the present application, the bottom surface of the telescopic base is provided with an adjusting groove, an adjusting oil cylinder is fixedly connected to the side wall of one end of the adjusting groove, and a clamping mechanism is connected to the output end of the adjusting oil cylinder.

[0014] As a further scheme of the present application, the clamping mechanism comprises a mechanism body, a limiting sliding block is fixedly connected to the side surface of the mechanism body, and a limiting sliding groove matched with the limiting sliding block is arranged on the side wall of the adjusting groove.

[0015] As a further scheme of the present application, the bottom surface of the mechanism body is fixedly connected with limiting blocks at both ends, the distance between the two limiting blocks is matched with the width of the fan blades on the fan group body, fixed side plates are fixedly connected to the bottom surface of the mechanism body at both sides, clamping hydraulic cylinders are fixedly connected to the outer side of the fixed side plates, and clamping plates are movably connected to the output end of the clamping hydraulic cylinders.

[0016] The present application has the following advantages:

[0017] 1. In the present application, when the large fan unit full-power intelligent test platform tests the fan unit main body, the driving ring will exert pressure on the fan blades, simulate the wind resistance on the fan blades, ensure the accuracy of the test results of the fan unit main body, and the person skilled in the art can control the real-time speed value of the fan blades and exert pressure on the fan blades through the driving ring, so that the fan blades work under the set load, and then determine the performance of the fan unit main body through the resistance change data. The large fan unit full-power intelligent test platform can quickly and intelligently test the fan unit main body in a windless indoor environment, and the wind power group and fan blades of the fan unit main body are working under actual operation, which helps to accurately obtain the actual test performance of the fan unit main body, is not affected by the environment, and greatly reduces the test difficulty of the fan unit main body.

[0018] 2. In the present application, the resistance change data of the fan blade refers to the change of the resistance value on the fan blade, which is specifically: R (T,σ,Nd,Nc) =ρ0(+α(T-T0))[(L0+β(T-T0)) / (A0-ΔA (Nc) )]+k×σ; Wherein R (T,σ,Nd,Nc) represents the resistance of the fan blade, ρ0 represents the resistivity at temperature T0, α represents the temperature coefficient of the fan blade, T represents the real-time temperature on the fan blade, so an infrared temperature sensor needs to be installed on the test ring, which is used to collect the real-time temperature T on the fan blade, L0 represents the original length of the fan blade, β represents the linear thermal expansion coefficient of the fan blade, A0 represents the average cross-sectional area of the fan blade, ΔA (Nc) represents the change of the effective conduction area caused by the number of cracks N c , k represents the proportion coefficient related to the material properties of the fan blade, which is preset by the person skilled in the art according to the specifications of the fan blade, and σ represents the applied pressure, i.e. the pressure exerted by the driving ring on the fan blade. The person skilled in the art passes current to the fan blade through the driving ring, then collects the value of the resistance R (T,σ,Nd,Nc) of the fan blade, and based on the running time of the fan unit main body and R (T,σ,Nd,Nc) , the change rate of N c is obtained, that is, the test parameter, and the change rate of N c is the test parameter of the fan unit main body. The person skilled in the art presets the change rate threshold N c of N 阈 , if the change rate of N c of the fan unit main body is always less than the change rate threshold N 阈 within the test time period, it means that the quality of the fan unit main body is qualified, otherwise, it means that the quality of the fan unit main body has problems, which needs to be further checked, so as to ensure the qualification of the fan unit main body.

[0019] 3. In the application, the bottom surface of the mechanism body is fixedly connected with limit blocks at both ends, the distance between the two groups of limit blocks is matched with the width of the fan blades on the fan group body, the bottom surface of the mechanism body is fixedly connected with fixed side plates at both sides, the outer side of the fixed side plates is fixedly connected with clamping hydraulic cylinders, the output end of the clamping hydraulic cylinders is movably connected with clamping plates, in use, the end of the fan blades of the fan group body can be inserted between the two groups of clamping plates, then the clamping hydraulic cylinders on the fixed side plates are opened, the clamping hydraulic cylinders will push the clamping plates through the hydraulic rods, so that the clamping plates act on the fan blades of the fan group body, since the fan blades of the fan group body are inclined, and the clamping plates are movably connected with the hydraulic rods of the output end of the clamping hydraulic cylinders, therefore, when the clamping plates clamp the fan blades of the fan group body, the clamping plates will match the inclination of the fan blades of the fan group body, so as to stably clamp the fan blades of the fan group body, without tilting and affecting the overall strength of the fan blades of the fan group body, and the protection of the fan blades of the fan group body is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] The application will be further described below in combination with the drawings.

[0021] Figure 1 is the overall structure schematic diagram of the large fan group full-power intelligent test platform of the application;

[0022] Figure 2 is the overall front view of the large fan group full-power intelligent test platform of the application;

[0023] Figure 3 is the overall side view of the large fan group full-power intelligent test platform of the application;

[0024] Figure 4 is the structure schematic diagram of the large fan group full-power intelligent test platform of the application;

[0025] Figure 5 is the structure schematic diagram of the rotating base and the test ring in the application;

[0026] Figure 6 is the bottom structure schematic diagram of the rotating base in the application;

[0027] Figure 7 is the structure schematic diagram of the driving ring in the application;

[0028] Figure 8 is the structure schematic diagram of the load adjusting mechanism in the application;

[0029] Figure 9 is the bottom view of the load adjusting mechanism in the application;

[0030] Figure 10 is the structure schematic diagram of the clamping mechanism in the application;

[0031] Figure 11 Figure 3 is a schematic diagram of the internal structure of the cylinder in the present application.

[0032] In the figure: 1, platform base; 11, first motor; 2, rotating base; 21, base body; 22, driving gear slot; 23, second motor; 3, test ring; 31, fixed ring body; 32, rotating slot; 33, fixed frame; 4, driving ring; 41, rotating ring body; 42, gear slot ring; 43, load adjusting mechanism; 431, cylinder; 4311, pressure control hydraulic cylinder; 4312, control cavity; 4313, self-adapting pressure cavity; 4314, sealing end plate; 4315, connecting channel; 4316, sliding pressure block; 4317, fixed block; 432, hydraulic push rod; 433, telescopic base; 434, adjusting slot; 435, adjusting oil cylinder; 436, clamping mechanism; 4361, mechanism body; 4362, limiting block; 4363, fixed side plate; 4364, clamping hydraulic cylinder; 4365, clamping plate; 4366, limiting sliding block; 5, fan group body. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0034] Embodiment 1

[0035] As Figures 1-10As shown, the large fan unit full-power intelligent test platform is disclosed, including platform base 1, which is fixedly installed on the bottom surface by bolts, in use, can be installed in the laboratory by the person skilled in the art, the protruding part on the side of the platform base 1 is fixedly connected with the bottom surface by bolts, so that the platform base 1 is stable on the ground, the platform base 1 is installed horizontally in priority, which ensures the stability and safety of the equipment test on the platform base 1, the screw hole diagram on the protruding part on the side of the platform base 1 is not shown, the person skilled in the art selects the appropriate size of the bolt according to the overall weight of the large fan unit full-power intelligent test platform to fix, a rotating base 2 is movably arranged on the top surface of the platform base 1, it should be noted that the rotating base 2 can rotate freely on the top surface of the platform base 1, a test ring 3 is fixedly arranged on the top of the rotating base 2, the rotating rotating base 2 can drive the test ring 3 to rotate synchronously, the test ring 3 is used for clamping the fan unit on the fan unit body 5, a driving ring 4 is movably arranged in the test ring 3, the driving ring 4 is used for clamping the fan blades on the fan unit body 5, it should be noted that the driving ring 4 can rotate on the inside of the test ring 3, when the large fan unit full-power intelligent test platform is used to test the fan unit body 5, the rotating rotating base 2 can drive the fan unit body 5 to rotate along the horizontal direction through the test ring 3, simulate the fan unit body 5 working in different horizontal directions, and the driving ring 4 drives the fan blades to rotate and controls the pressure applied to the fan blades, which can simulate the fan unit body 5 driven by wind force, since the fan blades on the fan unit body 5 are simulated by the driving ring 4, the large fan unit full-power intelligent test platform is not restricted by time and place when testing the fan unit body 5, and can be used to test different specifications and different purposes of the fan unit body 5, greatly improving the applicability of the large fan unit full-power intelligent test platform, a control module is loaded on the rotating base 2, it should be noted that a power module and a microprocessor are arranged on the rotating base 2, the running code contained in the control module can be loaded on the microprocessor, the power module is used to provide power for the rotation of the rotating base 2 and the driving ring 4, therefore, the specification and model of the power module are adaptively selected by the person skilled in the art according to the actual situation of the field test, the control module collects the pressure data and the rotating speed data of the fan blades in real time, the control module collects the power generation data of the fan unit in real time, the control module collects the resistance change data of the fan blades in real time through the driving ring 4, and generates test parameters based on the rotating speed data, the power generation data and the resistance change data.

[0036] The rotation speed data of the fan blade refers to the real-time rotation speed value of the fan blade driven by the driving ring 4, and the power generation data of the fan unit refers to the current generated by the fan unit under the real-time rotation speed value of the fan blade. In order to enable the control module to accurately collect the resistance change data of the fan blade through the driving ring 4, the fan blade on the fan unit main body 5 is connected with the fan unit in an insulated manner, and the driving ring 4 is directly connected with the entire fan blade to measure the resistance change data of the fan blade.

[0037] When the large fan unit full-power intelligent test platform tests the fan unit main body 5, the driving ring 4 will apply pressure to the fan blade to simulate the wind resistance suffered by the fan blade, so as to ensure the accuracy of the test result of the fan unit main body 5. The person skilled in the art can control the real-time rotation speed value of the fan blade and apply pressure to the fan blade through the driving ring 4 to make the fan blade work under the set load, and then determine the performance of the fan unit main body 5 through the resistance change data. The large fan unit full-power intelligent test platform can quickly intelligently test the fan unit main body 5 in a windless indoor environment, and the wind power group and the fan blade of the fan unit main body 5 are both working under actual operation. This helps to accurately obtain the actual test performance of the fan unit main body 5, which is not affected by the environment, greatly reduces the test error of the fan unit main body 5, and improves the test accuracy of the fan unit main body 5.

[0038] The resistance change data of the fan blade refers to the change of the resistance value on the fan blade, which is specifically:

[0039] R = p0(1 + a(T - T0))[(L0+ b(T - T0)) / A e ]+k x s;

[0040] Since the resistance has been measured, the value of A e can be obtained through the above formula, and then according to:

[0041] A e = A0- A (Nc) ;

[0042] A (Nc) , wherein R represents the resistance of the fan blade, A e represents the effective conductive area, p0represents the resistivity at the temperature T0of the fan blade, a represents the temperature coefficient of the fan blade, T represents the real-time temperature on the fan blade, so an infrared temperature sensor needs to be installed on the test ring 3, which is used to collect the real-time temperature T on the fan blade, L0represents the original length of the fan blade, b represents the linear thermal expansion coefficient of the fan blade, A0represents the average cross-sectional area of the fan blade, and A (Nc) represents the change of the average cross-sectional area of the fan blade due to the number N cThe effective conductive area change caused by the change in the effective conductive area is shown in FIG1 . k represents the proportional coefficient related to the material properties of the fan blade. This coefficient is preset by those skilled in the art according to the specifications of the fan blade, for example, in the range of [0.3, 0.8]. σ represents the applied pressure, that is, the horizontal pressure applied by the drive ring 4 to the fan blade. Those skilled in the art pass current through the drive ring 4 to the fan blade, and then collect the value of the fan blade resistance R. Based on the operating time of the fan unit body 5 and R, ΔA is obtained. (Nc) The value of ΔA, which is the test parameter, (Nc) The value is the test parameter of the fan unit body 5. Those skilled in the art preset ΔA (Nc) The rate of change threshold ΔA (Nc)阈 If the wind turbine body 5 is within the test period ΔA (Nc) The value is always less than the rate of change threshold ΔA (Nc)阈 , it can be said that the quality of the fan unit main body 5 is qualified. Otherwise, it means that there is a problem with the quality of the fan unit main body 5 and further inspection is required to ensure the qualification of the fan unit main body 5;

[0043] It should also be noted that the setting position and number of infrared temperature sensors on the fan blades are adaptively selected according to the fan blades, L0 is obtained by a technician in this field by directly measuring the fan blades on the fan group body 5, β is determined according to the component materials of the fan blades on the fan group body 5, and A0 is obtained by a technician in this field in advance through the specifications of the fan blades on the fan group body 5. For example, the cross-sectional area corresponding to the middle position of the fan blade can be measured, and the cross-sectional area corresponding to the middle position can be used as the average cross-sectional area A0 of the fan blade.

[0044] Example 2

[0045] like Figure 5 and Figure 6 As shown, the bottom side wall of the platform base 1 is connected to the first motor 11 by bolts, and the rotating base 2 includes a base body 21, which is rotatably set at the top of the platform base 1, and the bottom surface of the base body 21 is fixedly connected to the driving tooth groove 22, and the output shaft of the first motor 11 is engaged with the driving tooth groove 22 through a gear. When in use, the first motor 11 is turned on. Since the output shaft of the first motor 11 is engaged with the driving tooth groove 22 through a gear, the output shaft of the first motor 11 will drive the base body 21 through the gear and the driving tooth groove 22, so that the base body 21 can rotate horizontally on the top surface of the platform base 1. Since the fan unit on the fan unit main body 5 is fixed by the test ring 3, the rotating base body 21 adjusts the horizontal angle of the fan unit main body 5 by driving the test ring 3, which can simulate the continuous change of wind direction in reality.

[0046] like Figure 5As shown, the test ring 3 comprises a fixed ring body 31, the inner side of the fixed ring body 31 is provided with a rotating groove 32, one side of the fixed ring body 31 is fixedly connected with a fixed frame 33, the fixed frame 33 is used to fix the fan group body 5 on the fan group, and specifically, a cylindrical groove that matches the fan group on the fan group body 5 is formed on the fixed frame 33, the fan group on the fan group body 5 can be directly inserted into the cylindrical groove, and then the fan group on the fan group body 5 is fixed in the cylindrical groove through bolts, so that the fixation of the fan group on the fan group body 5 is realized.

[0047] As shown in Figure 6 and Figure 7 As shown, the driving ring 4 comprises a rotating ring body 41, the rotating ring body 41 matches the rotating groove 32, the side surface of the rotating ring body 41 is fixedly connected with three groups of equidistantly arranged load adjusting mechanisms 43, and one side of the rotating ring body 41 is fixedly connected with a gear groove ring 42. It should be noted that since the rotating ring body 41 matches the rotating groove 32, the rotating ring body 41 can freely rotate in the rotating groove 32, and the load adjusting mechanism 43 is used to cooperate with the fan blades of the fan group body 5, so as to ensure that the load adjusting mechanism 43 can exert pressure on the fan blades of the fan group body 5 and drive the fan blades of the fan group body 5 to rotate.

[0048] The inside of the base body 21 is connected with a second motor 23 through bolts, the output shaft of the second motor 23 is engaged with the side surface of the gear groove ring 42 through a gear, and in use, the second motor 23 is turned on, the output shaft of the second motor 23 drives the gear groove ring 42 through the gear, and the rotating gear groove ring 42 drives the rotating ring body 41 to freely rotate in the rotating groove 32. Since the load adjusting mechanism 43 is used to cooperate with the fan blades of the fan group body 5, the rotating rotating ring body 41 drives the fan blades of the fan group body 5 to rotate through the load adjusting mechanism 43, and the specific rotating speed of the fan blades of the fan group body 5 is determined by the rotating speed of the rotating ring body 41. Therefore, the rotating speed of the fan blades of the fan group body 5 can be controlled by controlling the power of the second motor 23.

[0049] Example 3

[0050] As shown in Figures 1-10As shown, the load adjusting mechanism 43 comprises a cylinder 431, the side surface of the cylinder 431 is fixedly connected with a hydraulic push rod 432, one end of the cylinder 431 is slidably connected with a telescopic base 433, the inner side of the telescopic base 433 is connected with the hydraulic push rod 432, and the output end of the hydraulic push rod 432 is directly connected with the inner side of the telescopic base 433 through a hydraulic rod, so that when the hydraulic push rod 432 is opened, the rotating hydraulic push rod 432 drives the telescopic base 433 through the hydraulic rod, thereby adjusting the position of the telescopic base 433 in the cylinder 431, so that the cylinder 431 can clamp the fan blades of the fan group main body 5 of different specifications, and the adaptability of the load adjusting mechanism 43 is improved.

[0051] The bottom surface of the telescopic base 433 is provided with an adjusting groove 434, one end of the side wall of the adjusting groove 434 is fixedly connected with an adjusting oil cylinder 435, the output end of the adjusting oil cylinder 435 is connected with a clamping mechanism 436, and in use, the output end of the adjusting oil cylinder 435 pushes the clamping mechanism 436 through a hydraulic rod, and the clamping mechanism 436 is directly clamped together with the fan blades of the fan group main body 5 through pressure, so that when the clamping mechanism 436 moves (specifically moves to one side of the fan group main body 5), the clamping mechanism 436 will exert a horizontal force on the fan blades of the fan group main body 5, so that the fan blades will also be subjected to a horizontal force during rotation, thereby simulating the wind resistance experienced by the fan blades of the fan group main body 5, so that the fan blades of the fan group main body 5 are in a more realistic environment for testing, and the accuracy of the large fan group full-power intelligent test platform for testing the fan group main body 5 is greatly improved.

[0052] The clamping mechanism 436 comprises a mechanism main body 4361, the side surface of the mechanism main body 4361 is fixedly connected with a limiting sliding block 4366, and the side wall of the adjusting groove 434 is provided with a limiting sliding groove matched with the limiting sliding block 4366, and the clamping mechanism 436 is used to cooperate with the fan blades of the fan group main body 5, specifically to clamp the side surface of the fan blades, when the rotating ring body 41 rotates, the rotating ring body 41 can drive the fan blades to rotate through the clamping mechanism 436, thereby simulating the working process of the fan blades, and the cooperation of the limiting sliding block 4366 and the limiting sliding groove can make the clamping mechanism 436 more stably slide in the adjusting groove 434, and the overall strength of the fan blades of the fan group main body 5 is not affected.

[0053] The bottom surface of the mechanism body 4361 is fixedly connected with a limiting block 4362 at both ends, the spacing of the two groups of limiting blocks 4362 is matched with the width of the fan blades on the fan group body 5, the bottom surface of the mechanism body 4361 is fixedly connected with a fixed side plate 4363 at both sides, the outer side of the fixed side plate 4363 is fixedly connected with a clamping hydraulic cylinder 4364, the output end of the clamping hydraulic cylinder 4364 is movably connected with a clamping plate 4365, in use, the end of the fan blades of the fan group body 5 can be inserted between the two groups of clamping plates 4365, then the clamping hydraulic cylinder 4364 on the fixed side plate 4363 is opened, the clamping hydraulic cylinder 4364 will push the clamping plate 4365 through the hydraulic rod, so that the clamping plate 4365 acts on the fan blades of the fan group body 5, since the fan blades of the fan group body 5 are inclined, and the clamping plate 4365 is movably connected with the hydraulic rod of the output end of the clamping hydraulic cylinder 4364, therefore, when the clamping plate 4365 clamps the fan blades of the fan group body 5, it will match the slope of the fan blades of the fan group body 5, so as to ensure that the fan blades of the fan group body 5 are clamped stably, and will not be inclined and affect the overall strength of the fan blades of the fan group body 5, thereby improving the protection of the fan blades of the fan group body 5.

[0054] As Figures 1-11As shown, the inside of the cylinder 431 is provided with a movable pressure control hydraulic cylinder 4311 which can move along the central axis direction of the cylinder 431, the pressure control hydraulic cylinder 4311 divides the inner cavity of the cylinder 431 into a control cavity 4312 and an adaptive pressure cavity 4313, one side of the adaptive pressure cavity 4313 is provided with a sealing end plate 4314 which makes the adaptive pressure cavity 4313 form a closed cavity, a connecting channel 4315 is opened in the sealing end plate 4314 and the cylinder 431, the connecting channel 4315 makes the adaptive pressure cavity 4313 and the inner cavity of the adjusting oil cylinder 435 communicate, wherein the number of the cylinder 431 is three, and they are uniformly distributed on the rotating ring body 41, the adaptive pressure cavities 4313 in the three cylinders 431 communicate with each other through the rotating ring body 41, specifically, a communication groove can be opened in the inside of the rotating ring body 41 to ensure that the three adaptive pressure cavities 4313 are communicated, and a liquid is injected into the adaptive pressure cavity 4313, which can be hydraulic oil, according to the principle of the communicating vessel, the pressure control hydraulic cylinders 4311 in the three cylinders 431 can interact through the adaptive pressure cavities 4313 and the hydraulic oil in them, so that when the pressure control hydraulic cylinders 4311 extrude the hydraulic oil in the adaptive pressure cavities 4313, the hydraulic oil pressure in the adaptive pressure cavities 4313 is the same, and the hydraulic oil in the adaptive pressure cavities 4313 can enter the inside of the adjusting oil cylinder 435 through the connecting channel 4315, so that the adjusting oil cylinder 435 can drive the clamping mechanism 436, so that the clamping mechanism 436 can exert a horizontal force on the fan blades of the fan set main body 5, so that the fan blades will also be subjected to a horizontal force during rotation, so as to simulate the wind resistance of the fan blades of the fan set main body 5, so as to ensure that the clamping mechanism 436 can adaptively adjust the horizontal force exerted on the fan blades according to the rotation speed of the fan set main body 5, so as to make the intelligent test of the fan set main body 5 more consistent with the state when the fan set main body 5 is blown by the wind, and ensure the accuracy of the measurement;

[0055] Specifically, a fixed block 4317 is arranged in the control cavity 4312, the surface of the fixed block 4317 is provided with a sliding pressure block 4316, the fixed block 4317 adjusts the pressure control hydraulic cylinder 4311 according to the pressure degree of the sliding pressure block 4316 on the fixed block 4317, the pressures of the sliding pressure block 4316 on the corresponding fixed blocks 4317 of the three control cavities 4312 are respectively Pa, Pb and Pc, it should be noted that the side of the sliding pressure block 4316 away from the fixed block 4317 is provided with a spring, which can ensure that the sliding pressure block 4316 always acts on the surface of the fixed block 4317, and a pressure sensor is arranged on the surface of the fixed block 4317, which is used to collect Pa, Pb and Pc respectively;

[0056] P 总 = Pa+Pb+Pc, since the number of the cylinder 431 is three and is uniformly distributed on the rotating ring body 41, so in the process of rotating the rotating ring body 41, the vertical downward gravity of the three sliding pressure blocks 4316 to the fixed block 4317 will always change, but the total value is constant, so when the rotating speed of the rotating ring body 41 is fast, the value of P 总 will become smaller, on the contrary, when the rotating speed of the rotating ring body 41 is slow, the value of P 总 will become larger, so the value of P 总 can be used to adjust the pressure control hydraulic cylinder 4311, that is, the value of P 总 is small, the distance of the pressure control hydraulic cylinder 4311 moving into the adaptive pressure cavity 4313 is short, the value of P 总 is large, the distance of the pressure control hydraulic cylinder 4311 moving into the adaptive pressure cavity 4313 is long, the specific moving amount is adaptively adjusted by the person skilled in the art according to the specific fan blade of the fan group main body 5.

[0057] The above has carried out the detailed description to one embodiment of the present application, but the content described is only the preferred embodiment of the present application, cannot be considered for limiting the implementation scope of the present application. All equivalent changes and improvements made according to the scope of the present application should still belong to the patent coverage range of the present application.

Claims

1. Large wind turbine full power intelligent test platform, characterized by: include: A platform base (1) is fixed to the bottom surface by bolts; A rotating base (2) is movably arranged on the top surface of the platform base (1); A test ring (3) is fixedly arranged on the top of the rotating base (2), and the test ring (3) is used to clamp the fan unit on the fan unit body (5); A drive ring (4) is movably arranged inside the test ring (3), and the drive ring (4) is used to clamp the fan blades on the fan assembly body (5). The drive ring (4) drives the fan blades to rotate and controls the pressure applied to the fan blades; A control module is mounted on a rotating base (2), the control module collects pressure data and rotational speed data of the fan blades in real time, the control module collects power generation data of the fan unit in real time, the control module collects resistance change data of the fan blades in real time through a drive ring (4), and generates test parameters based on the rotational speed data, power generation data, and resistance change data.

2. The large-scale wind turbine full-power intelligent test platform according to claim 1 is characterized in that: The bottom side wall of the platform base (1) is connected to a first motor (11) via bolts.

3. The large-scale wind turbine full-power intelligent testing platform according to claim 2 is characterized in that: The rotating base (2) comprises a base body (21), the bottom surface of the base body (21) is fixedly connected with a driving tooth groove (22), and the output shaft of the first motor (11) is meshed with the driving tooth groove (22) through a gear.

4. The large-scale wind turbine full-power intelligent testing platform according to claim 1 is characterized in that: The test ring (3) comprises a fixed ring body (31), a rotation groove (32) is provided on the inner side of the fixed ring body (31), and a fixing frame (33) is fixedly connected to one side of the fixed ring body (31).

5. The large-scale wind turbine full-power intelligent testing platform according to claim 2 is characterized in that: The driving ring (4) comprises a rotating ring body (41), the rotating ring body (41) and the rotating groove (32) are mutually fitted, three groups of load adjustment mechanisms (43) arranged at equal distances are fixedly connected to the side surface of the rotating ring body (41), and a tooth groove ring (42) is fixedly connected to one side of the rotating ring body (41).

6. The large-scale wind turbine full-power intelligent testing platform according to claim 5 is characterized in that: The interior of the base body (21) is connected to a second motor (23) via bolts, and the output shaft of the second motor (23) is meshed with the side surface of the toothed ring (42) via a gear.

7. The large-scale wind turbine full-power intelligent testing platform according to claim 5 is characterized in that: The load adjustment mechanism (43) comprises a cylinder (431), a hydraulic push rod (432) is fixedly connected to the side of the cylinder (431), one end of the cylinder (431) is slidably connected to a telescopic base (433), and the hydraulic push rod (432) is connected to an inner end of the telescopic base (433).

8. The large-scale wind turbine full-power intelligent testing platform according to claim 7 is characterized in that: The bottom surface of the telescopic base (433) is provided with an adjustment groove (434), one end side wall of the adjustment groove (434) is fixedly connected to an adjustment cylinder (435), and the output end of the adjustment cylinder (435) is connected to a clamping mechanism (436).

9. The large-scale wind turbine full-power intelligent testing platform according to claim 8 is characterized in that: The clamping mechanism (436) includes a mechanism body (4361), the side of the mechanism body (4361) is fixedly connected to a limiting slider (4366), and the side wall of the adjustment groove (434) is provided with a limiting sliding groove that fits with the limiting slider (4366).

10. The large-scale wind turbine full-power intelligent testing platform according to claim 9 is characterized in that: The two ends of the bottom surface of the mechanism body (4361) are fixedly connected to limit blocks (4362), and the spacing between the two sets of limit blocks (4362) matches the width of the fan blades on the fan assembly body (5). Fixed side plates (4363) are fixedly connected to the two sides of the bottom surface of the mechanism body (4361), and the outer side of the fixed side plate (4363) is fixedly connected to a clamping hydraulic cylinder (4364), and the output end of the clamping hydraulic cylinder (4364) is movably connected to a clamping plate (4365).

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