Anti-freezing fan ultrasonic wind measuring device and method thereof
By employing an anti-icing wind measurement mechanism and data fusion technology, the freezing problem of ultrasonic wind measurement devices in low-temperature environments has been solved, enabling efficient and energy-saving wind speed and direction measurement, and improving measurement accuracy and equipment stability.
Patent Information
- Application Number
- CN202511176912.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-21
- Publication Date
- 2025-12-12
AI Technical Summary
Traditional ultrasonic anemometers are prone to freezing problems in low-temperature environments, leading to measurement data deviations and equipment damage. In addition, the overall heating method is energy-intensive, cannot cover complex curved surfaces, and results in energy waste.
An anti-icing wind measurement mechanism is adopted, including a heating box, a phase change material heat storage layer, a nano-scale graphene heating film, a pulse solenoid valve, and a louvered air outlet driven by a stepper motor. Combined with a fan moving and fixing mechanism and data fusion technology, it can achieve localized precise heating and dynamic compensation measurement.
It reduced energy consumption, improved measurement accuracy and equipment stability, solved the freezing problem, and achieved efficient wind speed and direction measurement.
Smart Images
Figure CN121114488A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of fan wind measurement, more particularly, the present application relates to an anti-freezing fan ultrasonic wind measurement device and method thereof. BACKGROUND
[0002] In the field of wind power generation, the ultrasonic wind measurement device calculates the wind speed and direction by measuring the time difference of ultrasonic wave propagation in the air, which has the advantages of high precision, no mechanical wear and tear, etc., and is widely used in wind speed and direction measurement of fans. Some in cold areas or high humidity environments, also measure wind, so as to judge the wind speed and power of the fan in these environments.
[0003] In low temperature environment, the traditional ultrasonic wind measurement instrument is easily affected by icing problem, when the temperature is reduced to below freezing point, the water vapor in the air will condense into frost on the surface of the ultrasonic wind measurement instrument body, which not only affects the emission and reception of ultrasonic wave, causes the measurement data deviation or even unable to measure, but also may cause physical damage to the instrument due to the accumulation of frost, greatly affecting the stability and service life of the equipment. To solve the icing problem, the whole heating method is often used, that is, all heating pipes are turned on at the same time, but this will cause a large amount of energy waste, and in the current situation of high energy cost, the economy of this method is greatly discounted. At the same time, the traditional ultrasonic wind measurement device often uses the whole heating method in low temperature environment, all heating pipes are turned on at the same time, which causes serious energy waste and high energy consumption. In addition, the traditional direct blowing hot air system cannot cover the complex curved surface of the ultrasonic probe, and it is easy to form icing blind area in local, the frost condensation on the surface of the measurement instrument body will cause the measurement data deviation, even affect the service life of the equipment due to physical damage. SUMMARY
[0004] In order to overcome the above-mentioned defects of the prior art, the present application provides an anti-freezing fan ultrasonic wind measurement device and method thereof to solve the problems raised in the background art.
[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: an anti-freezing fan ultrasonic wind measurement device, comprising a wind measurement platform, a support frame is fixedly installed on one side of the wind measurement platform, a fixed plate is fixedly connected to the top of the support frame, an anti-freezing wind measurement mechanism is arranged on the top of the wind measurement platform, and a fan moving and fixing mechanism is arranged on the top of the fixed plate. The anti-freezing wind measuring mechanism includes a protective shell fixedly installed on the top of the wind measuring platform, a fan fixedly installed on one side of the protective shell, a wind pipe fixedly connected to one side of the fan, a heating box fixedly communicated at one end of the wind pipe, a plurality of heating pipes fixedly installed inside the heating box, a flexible hose fixedly communicated on one side of the heating box, a moving box fixedly communicated at one end of the flexible hose, a plurality of ultrasonic anemometer bodies fixedly installed on one side of the moving box, and a plurality of louvered air outlets evenly arranged around the ultrasonic anemometer bodies on one side of the moving box. An electric sliding table is fixedly installed on the inner wall of the protective shell, a connecting sliding block is slidingly connected to the top of the electric sliding table, the connecting sliding block is fixedly connected between the top of the connecting sliding block and the moving box, and a temperature sensor is fixedly installed on one side of the connecting sliding block.
[0006] Preferably, the fan moving and fixing mechanism includes a fixed table fixedly installed on the top of the fixed plate, a threaded rod rotatably connected inside the fixed table, a rotating disc fixedly connected to one end of the threaded rod, and the threaded rod extending to one side of the fixed table.
[0007] Preferably, a first threaded sleeve is threadedly connected to the outer side of the threaded rod, a moving block is fixedly connected to the top of the first threaded sleeve, a fan lower sleeve is fixedly installed on the top of the moving block, and a fan upper sleeve is hingedly connected to the top of the fan lower sleeve.
[0008] Preferably, a fixed groove is formed in the surface of one side of the fan lower sleeve and the fan upper sleeve, a rotating shaft is rotatably connected inside one of the fixed grooves, a rotating rod is fixedly connected to the top of the rotating shaft, threads are arranged on the top outer side of the rotating rod, and a second threaded sleeve is threadedly connected to the outer side of the rotating rod.
[0009] Preferably, a connecting rod is fixedly connected to the outer side of the second threaded sleeve, and a rocker is fixedly connected to one end of the connecting rod.
[0010] Preferably, a phase change material heat storage layer is fixedly installed on the inner walls of the heating box and the moving box, the phase change material heat storage layer is a fatty acid phase change material, and a nanoscale graphene heating film is embedded inside the phase change material heat storage layer.
[0011] Preferably, a stepper motor is fixedly installed on one side of the louvered air outlet, the stepper motor drives the louvered air outlet to rotate by 15° every 10 seconds, so as to realize 360° annular hot air coverage and avoid the heating blind area of the traditional direct blowing mode, a micro anemograph and a gyroscope are fixedly installed on one side of the moving box, so as to fuse data with the ultrasonic anemometer bodies, and the micro anemograph measures the real wind speed near the moving box in real time.
[0012] Preferably, the gyroscope monitors its motion posture, the inside of the air pipe is provided with a pulse electromagnetic valve, the pulse electromagnetic valve is intermittently opened at a frequency of 5Hz, so that the hot air forms a pulse jet, and the impact peeling effect on the ice and snow on the surface of the ultrasonic anemometer body is enhanced.
[0013] A method is also provided, comprising the following steps: Step one: before testing, the fan to be installed is placed in the lower fan sleeve, the rotating disc is rotated to drive the threaded rod to rotate, the moving block and the lower fan sleeve are driven to move along the threaded rod by the first threaded sleeve, the optimal wind measuring distance of the ultrasonic anemometer body is adjusted, the upper fan sleeve is closed, the rotating shaft is embedded in the fixed groove, the second threaded sleeve is driven to move downward along the thread by rotating the rotating rod, the lower fan sleeve and the upper fan sleeve are tightly clamped on the outside of the fan by the connecting rod and the rocker, and the fixing is completed.
[0014] Step two: anti-icing preheating preparation, the fan and the heating pipe in the heating box are started, the fan sends air into the heating box through the air pipe, the fatty acid phase change material in the phase change material heat storage layer absorbs heat through solid-liquid phase change while the air is heated by the heating pipe, the ultrasonic anemometer body in the moving box is locally preheated by the nanometer graphene heating film, the pulse electromagnetic valve is intermittently opened in the air pipe at a frequency of 5Hz, so that the hot air forms a pulse jet, is delivered to the moving box through the flexible hose, and the louver outlet is rotated by 15° every 10 seconds driven by the stepping motor, so that 360° annular hot air coverage is realized, and the ultrasonic anemometer body and the surrounding environment are preheated to prevent icing.
[0015] Step three: wind measuring process, the electric sliding table is started, the connecting sliding block, the moving box and the ultrasonic anemometer body are driven to slide along the preset path in the protective shell, the ultrasonic anemometer body emits and receives ultrasonic signals during the moving process, the real wind speed near the moving box is measured synchronously by the micro anemometer, and the gyroscope monitors the motion posture and is used for data fusion compensation.
[0016] Step four: anti-icing continuous monitoring and adjustment, the temperature sensor monitors the temperature of the ultrasonic anemometer body and the environment in real time, if the temperature is lower than a preset critical value, the heating pipe and the graphene heating film of the heating box are cooperatively heated, the phase change material heat storage layer releases the stored heat to assist heat preservation, the fan air volume is increased, the pulse frequency of the pulse electromagnetic valve is increased to 5Hz, the hot air impact deicing effect is enhanced, the stepping motor dynamically adjusts the rotation angle of the louver outlet according to the temperature sensor feedback, and full coverage of the heating blind area is ensured.
[0017] Step five: data processing and feedback, the data processing equipment receives real-time data of the ultrasonic anemometer body, the micro anemometer and the gyroscope, motion errors and environmental disturbances are compensated through algorithm fusion, wind speed and direction data are generated, the data are stored in the monitoring system synchronously, and are fed back to the user terminal, so as to be used for fan operation state analysis and decision-making.
[0018] Preferably, the heating pipes in the heating box in steps two and four are controlled by area, and different areas of the heating pipes are started by a preset control program according to the initial value of the ambient temperature, so that the preheating is fast and energy-saving.
[0019] Technical effects and advantages of the present application: 1. The combination of the phase change material heat storage layer and the nano graphene heating film on the inner walls of the heating box and the moving box, the pulse electromagnetic valve in the air pipe, and the stepping motor driving mechanism of the louver air outlet form a cooperative working mode of heat storage, precise heating, and pulse deicing. When the ambient temperature decreases, the phase change material first stores the heat of the heating pipe through the solid-liquid phase change, and then releases the heat through the liquid-solid phase change when the temperature decreases. The local precise heating of the ultrasonic anemometer body by the graphene film makes the temperature control accuracy reach ±1℃. The pulse electromagnetic valve is intermittently opened at a frequency of 5Hz, and the louver air outlet is rotated by 15° every 10 seconds, forming a 360° annular pulse hot air. Compared with the traditional direct blowing heating method, the energy consumption is greatly reduced, the heating efficiency is greatly improved, and the problems of high overall heating energy consumption and local icing in the prior art are effectively solved. 2. The millimeter-level adjustment of the fan position is realized by the precise cooperation of the threaded rod and the first threaded sleeve, combined with the manual adjustment or servo motor driving of the rotating disc. The linkage structure of the rotating shaft, the rotating rod, and the second threaded sleeve realizes the precise positioning of the fan lower sleeve and the fan upper sleeve without the need for additional measurement tools, greatly improves the installation efficiency, and solves the problems of unstable fixation and poor adaptability caused by manual operation in traditional devices. 3. The moving box is driven by the electric sliding table to slide in the protective shell according to the preset path, combined with the data fusion mechanism of the micro anemometer, the gyroscope, and the ultrasonic anemometer body, a dynamic compensation measurement system is constructed. The temperature sensor monitors the ambient temperature in real time. When the wind speed fluctuation exceeds 10% or the temperature is lower than the critical value, the electric sliding table adjusts the moving track to perform spiral encryption scanning in the turbulent area. At the same time, the gyroscope compensates the Doppler effect error in the moving process, greatly reduces the blind area of wind measurement, greatly improves the data efficiency, breaks through the limitations of traditional fixed position wind measurement, realizes the precision improvement of measurement in the moving state, and reaches the measurement level of the fixed wind anemometer. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The figure is a schematic diagram of the overall structure of the present application.
[0021] Figure 2 The figure is a schematic diagram of the side view structure of the present application.
[0022] Figure 3 The figure is a schematic diagram of the rear view structure of the present application.
[0023] Figure 4 It is a structure schematic view of the fan moving fixing mechanism of the application.
[0024] Figure 5 It is a structure schematic view of the fan moving fixing mechanism of the application. Figure 2
[0025] Figure 6 It is a structure schematic view of the fan moving fixing mechanism of the application. Figure 4
[0026] Figure 7 It is a structure schematic view of the fan moving fixing mechanism of the application.
[0027] Figure 8 It is a structure schematic view of the fan moving fixing mechanism of the application.
[0028] The figure marks are: 1, wind measuring platform; 2, support frame; 3, fixed plate; 4, protection shell; 5, fan; 6, air pipe; 7, heating box; 8, heating pipe; 9, flexible hose; 10, moving box; 11, ultrasonic wind measuring instrument body; 12, louver air outlet; 13, electric sliding table; 14, connecting sliding block; 15, fixed table; 16, threaded rod; 17, rotating disc; 18, first threaded sleeve; 19, moving block; 20, fan lower sleeve; 21, fan upper sleeve; 22, fixed groove; 23, rotating shaft; 24, rotating rod; 25, second threaded sleeve; 26, connecting rod; 27, rocker; 28, temperature sensor; 29, phase change material heat storage layer; 30, stepping motor; 31, micro anemometer; 32, gyroscope; 33, nanometer graphene heating film; 34, pulse electromagnetic valve. DETAILED DESCRIPTION
[0029] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.
[0030] The ice-proof fan ultrasonic wind measuring device comprises a wind measuring platform 1, one side of the wind measuring platform 1 is fixedly provided with a support frame 2, the top of the support frame 2 is fixedly connected with a fixed plate 3, the top of the wind measuring platform 1 is provided with an ice-proof wind measuring mechanism, and the top of the fixed plate 3 is provided with a fan moving fixing mechanism. The anti-icing wind measuring mechanism comprises an anti-icing shell 4, the anti-icing shell 4 is fixedly installed on the top of the wind measuring platform 1, a fan 5 is fixedly installed on one side of the anti-icing shell 4, a wind pipe 6 is fixedly connected to one side of the fan 5, a heating box 7 is fixedly communicated at one end of the wind pipe 6, a plurality of heating pipes 8 are fixedly installed in the heating box 7, a flexible hose 9 is fixedly communicated on one side of the heating box 7, a moving box 10 is fixedly communicated at one end of the flexible hose 9, a plurality of ultrasonic anemometer bodies 11 are fixedly installed on one side of the moving box 10, and a plurality of louvered air outlets 12 are evenly arranged around the ultrasonic anemometer bodies 11 on one side of the moving box 10. An electric sliding table 13 is fixedly installed on the inner wall of the anti-icing shell 4, a connecting sliding block 14 is slidingly connected to the top of the electric sliding table 13, the connecting sliding block 14 is fixedly connected between the top of the electric sliding table 13 and the moving box 10, and a temperature sensor 28 is fixedly installed on one side of the connecting sliding block 14.
[0031] As shown in the accompanying drawings, Figures 1-4 The fan moving and fixing mechanism comprises a fixed table 15, the fixed table 15 is fixedly installed on the top of the fixed plate 3, a threaded rod 16 is rotatably connected in the fixed table 15, one end of the threaded rod 16 penetrates through the fixed table 15 and extends to one side of the fixed table 15, a rotating disc 17 is fixedly connected to one end of the threaded rod 16, and the threaded rod 16 is driven to rotate through the rotating disc 17.
[0032] As shown in the accompanying drawings, Figures 1-4 The threaded rod 16 is threadedly connected with a first threaded sleeve 18 on the outer side, the first threaded sleeve 18 is fixedly connected with a moving block 19 on the top, the moving block 19 is fixedly installed with a fan lower sleeve 20 on the top, the fan lower sleeve 20 is hingedly connected with a fan upper sleeve 21 on the top, a fixed groove 22 is formed in the surface of one side of the fan lower sleeve 20 and the fan upper sleeve 21, one of the fixed grooves 22 is rotatably connected with a rotating shaft 23, the rotating shaft 23 is fixedly connected with a rotating rod 24 on the top, the rotating rod 24 is provided with threads on the outer side of the top, the rotating rod 24 is threadedly connected with a second threaded sleeve 25 on the outer side, the second threaded sleeve 25 is fixedly connected with a connecting rod 26 on the outer side, one end of the connecting rod 26 is fixedly connected with a rocker 27, the fan lower sleeve 20 and the fan upper sleeve 21 are fixed, the fixing effect of the to-be-measured fan is improved, the distance between the fan lower sleeve 20, the fan upper sleeve 21 and the to-be-measured fan and the ultrasonic anemometer body 11 is adjusted, different distances are tested, and the result accuracy is improved.
[0033] As shown in the accompanying drawings, Figure 1 , 2 , 3, 5, 7, phase change material heat storage layers 29 are fixedly installed in the inner walls of the heating box 7 and the moving box 10, the phase change material heat storage layers 29 are fatty acid phase change materials, nano graphite heating films 33 are embedded in the phase change material heat storage layers 29, and the heating uniformity and the heating effect are ensured.
[0034] As shown in the accompanying drawings, Figure 5 , 7As shown, the louvered air outlet 12 side is fixedly installed with a stepper motor 30, which drives the louvered air outlet 12 to rotate 15° every 10 seconds, for realizing 360° annular hot air coverage, avoiding the heating blind area of traditional direct blowing mode. The mobile box 10 side is fixedly installed with a micro anemometer 31 and a gyroscope 32, for data fusion with the ultrasonic anemometer body 11. The micro anemometer 31 measures the real wind speed near the mobile box 10 in real time.
[0035] As shown in the accompanying drawings, Figure 5 , 7 As shown, the gyroscope 32 monitors the motion posture. The air pipe 6 is internally installed with a pulse electromagnetic valve 34, which is intermittently opened at a frequency of 5Hz, so that the hot air forms pulsed injection, enhancing the impact stripping effect on the frost on the surface of the ultrasonic anemometer body 11.
[0036] A method is also provided, comprising the following steps: Step one: before testing, place the fan to be installed in the fan lower sleeve 20, rotate the rotating disc 17 to drive the threaded rod 16 to rotate, move the moving block 19 and the fan lower sleeve 20 along the threaded rod 16 direction through the first threaded sleeve 18, adjust to the best wind measurement distance of the ultrasonic anemometer body 11, close the fan upper sleeve 21, make the rotating shaft 23 embedded in the fixed groove 22, rotate the rotating rod 24 to drive the second threaded sleeve 25 to press down along the thread, tightly clamp the fan lower sleeve 20 and the fan upper sleeve 21 on the outside of the fan through the connecting rod 26 and the rocker 27, and complete the fixation.
[0037] Step two: anti-freezing preheating preparation, start the fan 5 and the heating pipe 8 in the heating box 7, the fan 5 sends air into the heating box 7 through the air pipe 6, while the heating pipe 8 heats the air, the fatty acid phase change material in the phase change material heat storage layer 29 absorbs heat through solid-liquid phase change, the nanoscale graphene heating film 33 locally preheats the ultrasonic anemometer body 11 in the mobile box 10, the pulse electromagnetic valve 34 is intermittently opened in the air pipe 6 at a frequency of 5Hz, so that the hot air forms pulsed injection, is delivered to the mobile box 10 through the flexible hose 9, the stepper motor 30 drives the louvered air outlet 12 to rotate 15° every 10 seconds, realizes 360° annular hot air coverage, and preheats the ultrasonic anemometer body 11 and its surrounding environment.
[0038] Step three: wind measurement process, open the electric sliding table 13, drive the connecting sliding block 14, the mobile box 10 and the ultrasonic anemometer body 11 to slide along the preset path in the protective shell 4, during the movement, the ultrasonic anemometer body 11 emits and receives ultrasonic signals, synchronously measures the real wind speed near the mobile box 10 through the micro anemometer 31, and the gyroscope 32 monitors the motion posture for data fusion compensation.
[0039] Step four: anti-icing continuous monitoring and adjustment, temperature sensor 28 real-time monitoring ultrasonic anemometer body 11 and ambient temperature, if the temperature is lower than the preset threshold, heating pipe 8 of heating box 7 and nanoscale graphene heating film 33 cooperate to increase temperature, phase change material heat storage layer 29 releases stored heat to assist heat preservation, at the same time, increase the fan 5 air volume, pulse electromagnetic valve 34 increases the pulse frequency to 8Hz, enhances the hot air impact deicing effect, according to the feedback of temperature sensor 28, stepper motor 30 dynamically adjusts the rotation angle of louver outlet 12, ensures that the heating blind area is fully covered.
[0040] Step five: data processing and feedback, data processing equipment receives real-time data of ultrasonic anemometer body 11, micro anemometer 31 and gyroscope 32, compensates motion error and environmental interference through algorithm fusion, generates wind speed and direction data, then synchronously stores to the monitoring system and feedback to the user terminal, for fan operation state analysis and decision.
[0041] As shown in the accompanying drawings Figures 1-8 It is shown that the heating pipe 8 in the heating box 7 in step two and step four is controlled by region, according to the initial value of the ambient temperature, through the preset control program, the heating pipe 8 in different regions is started in stages, realizing fast and energy-saving preheating, which is convenient for realizing energy-saving waste heat and fast deicing.
[0042] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change; Secondly: the present application discloses the structure involved in the embodiment of the present application, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other; Finally: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims
1. An anti-freezing ultrasonic wind measuring device for fans, comprising a wind measuring platform (1), characterized in that: A support frame (2) is fixedly installed on one side of the wind measuring platform (1), and a fixing plate (3) is fixedly connected to the top of the support frame (2). An anti-freezing wind measuring mechanism is provided on the top of the wind measuring platform (1), and a fan moving and fixing mechanism is provided on the top of the fixing plate (3). The anti-freezing wind measuring mechanism includes a protective shell (4), which is fixedly installed on the top of the wind measuring platform (1). A fan (5) is fixedly installed on one side of the protective shell (4), and a duct (6) is fixedly connected to one side of the fan (5). A heating box (7) is fixedly connected to one end of the duct (6). Multiple heating tubes (8) are fixedly installed inside the heating box (7). A telescopic hose (9) is fixedly connected to one side of the heating box (7). A movable box (10) is fixedly connected to one end of the telescopic hose (9). Multiple ultrasonic anemometer bodies (11) are fixedly installed on one side of the movable box (10). Multiple louvered air outlets (12) are evenly arranged around the ultrasonic anemometer bodies (11) on one side of the movable box (10). An electric slide (13) is fixedly installed on the bottom of the inner wall of the protective shell (4). A connecting slider (14) is slidably connected to the top of the electric slide (13). The top of the connecting slider (14) is fixedly connected to the moving box (10). A temperature sensor (28) is fixedly installed on one side of the connecting slider (14).
2. The anti-freezing ultrasonic wind measuring device for fans according to claim 1, characterized in that: The fan moving and fixing mechanism includes a fixed platform (15), which is fixedly installed on the top of the fixed plate (3). A threaded rod (16) is rotatably connected inside the fixed platform (15). One end of the threaded rod (16) passes through the fixed platform (15) and extends to one side of the fixed platform (15). A rotating disk (17) is fixedly connected to one end of the threaded rod (16).
3. The anti-freezing ultrasonic wind measuring device for fans according to claim 2, characterized in that: The threaded rod (16) is threadedly connected to a first threaded sleeve (18) on the outside. A moving block (19) is fixedly connected to the top of the first threaded sleeve (18). A fan lower sleeve (20) is fixedly installed on the top of the moving block (19). A fan upper sleeve (21) is hinged to the top of the fan lower sleeve (20).
4. The anti-freezing ultrasonic wind measuring device for fans according to claim 3, characterized in that: The lower sleeve (20) and the upper sleeve (21) of the fan are both provided with a fixing groove (22) on one side surface. A rotating shaft (23) is rotatably connected inside one of the fixing grooves (22). A rotating rod (24) is fixedly connected to the top of the rotating shaft (23). A thread is provided on the outer side of the top of the rotating rod (24). A second threaded sleeve (25) is threadedly connected to the outer side of the rotating rod (24).
5. The anti-freezing ultrasonic wind measuring device for fans according to claim 4, characterized in that: A connecting rod (26) is fixedly connected to the outside of the second threaded sleeve (25), and a rocker arm (27) is fixedly connected to one end of the connecting rod (26).
6. The anti-freezing ultrasonic wind measuring device for fans according to claim 1, characterized in that: The inner walls of the heating box (7) and the moving box (10) are both fixedly installed with phase change material heat storage layer (29). The phase change material heat storage layer (29) is a fatty acid phase change material. The phase change material heat storage layer (29) is embedded with a nano-scale graphene heating film (33).
7. The anti-freezing ultrasonic wind measuring device for fans according to claim 1, characterized in that: A stepper motor (30) is fixedly installed on one side of the louvered air outlet (12). The stepper motor (30) drives the louvered air outlet (12) to rotate 15° every 10 seconds to achieve 360° ring hot air coverage and avoid the heating blind spot of the traditional direct blowing method. A miniature anemometer (31) and a gyroscope (32) are fixedly installed on one side of the moving box (10) for data fusion with the ultrasonic anemometer body (11). The miniature anemometer (31) measures the real wind speed near the moving box (10) in real time.
8. The anti-freezing ultrasonic wind measuring device for fans according to claim 7, characterized in that: The gyroscope (32) monitors its motion posture. A pulse solenoid valve (34) is installed inside the air duct (6). The pulse solenoid valve (34) is opened intermittently at a frequency of 5Hz, so that the hot air forms a pulse jet, which enhances the impact and peeling effect on the surface of the ultrasonic anemometer body (11).
9. A method, characterized in that: The anti-freezing ultrasonic wind measuring device for fans according to any one of claims 1-8 includes the following steps: Step 1: Installation before fan testing. Place the fan to be installed in the fan lower sleeve (20), rotate the rotating disk (17) to drive the threaded rod (16) to rotate, and drive the moving block (19) and the fan lower sleeve (20) to move along the threaded rod (16) through the first threaded sleeve (18). Adjust to the optimal wind measurement distance of the ultrasonic anemometer body (11). Close the fan upper sleeve (21) so that the rotating shaft (23) is embedded in the fixing groove (22). Rotate the rotating rod (24) to drive the second threaded sleeve (25) to press down along the thread. Through the connecting rod (26) and the rocker arm (27), the fan lower sleeve (20) and the fan upper sleeve (21) are tightly clamped on the outside of the fan to complete the fixing. Step 2: Preheating preparation for freezing. Start the fan (5) and the heating tube (8) in the heating box (7). The fan (5) sends air into the heating box (7) through the air duct (6). While the heating tube (8) heats the air, the fatty acid phase change material in the phase change material heat storage layer (29) absorbs heat through solid-liquid phase change. The nano-scale graphene heating film (33) preheats the ultrasonic anemometer body (11) in the mobile box (10). The pulse solenoid valve (34) opens intermittently in the air duct (6) at a frequency of 5Hz, so that the hot air forms a pulse jet and is delivered to the mobile box (10) through the telescopic hose (9). The stepper motor (30) drives the louvered air outlet (12) to rotate 15° every 10 seconds to achieve 360° ring hot air coverage, preheating and preventing freezing of the ultrasonic anemometer body (11) and its surrounding environment. Step 3: Wind measurement process. Turn on the electric slide (13) to drive the connecting slider (14), the moving box (10) and the ultrasonic anemometer body (11) to slide along the preset path inside the protective shell (4). During the movement, the ultrasonic anemometer body (11) emits and receives ultrasonic signals, and simultaneously measures the real wind speed near the moving box (10) through the miniature anemometer (31). The gyroscope (32) monitors the motion posture for data fusion compensation. Step 4: Continuous monitoring and adjustment for anti-freezing. Temperature sensor (28) monitors the temperature of the ultrasonic anemometer body (11) and the ambient temperature in real time. If the temperature is lower than the preset critical value, the heating tube (8) of the heating box (7) and the nano-scale graphene heating film (33) work together to raise the temperature. The phase change material heat storage layer (29) releases stored heat to assist in heat preservation. At the same time, the air volume of the fan (5) is increased, and the pulse solenoid valve (34) increases the pulse frequency to 8Hz to enhance the hot air impact de-icing effect. According to the feedback from temperature sensor (28), the stepper motor (30) dynamically adjusts the rotation angle of the louvered air outlet (12) to ensure full coverage of the heating blind area. Step 5: Data processing and feedback. The data processing equipment receives real-time data from the ultrasonic anemometer (11), the miniature anemometer (31), and the gyroscope (32). After the motion error and environmental interference are compensated by the algorithm, the wind speed and wind direction data are generated and stored synchronously in the monitoring system and fed back to the user terminal for wind turbine operation status analysis and decision-making.
10. A method according to claim 9, characterized in that: In steps two and four, the heating tubes (8) in the heating box (7) are controlled in different zones. Based on the initial ambient temperature, the heating tubes (8) in different zones are activated in stages through a preset control program to achieve rapid and energy-saving preheating.