An anemometry device with an automatic steering function

Abstract

The present invention discloses a wind speed measuring device with an automatic steering function, which includes a base with walking wheels, an automatic steering device fixed on the base through a thrust bearing, and a measuring device fixed on the automatic steering device through a support frame structure; the measuring device includes a plurality of wind speed sensors arranged in an array, and the plane where the array-type wind speed sensors are located is the measuring surface; wherein, the automatic steering device includes a steering motor and an annular gear disk rotated under the drive of the steering motor; it also includes a wind vane fixed on the gear disk and a first baffle and a second baffle respectively located on both sides of the wind vane. The axis of the wind vane along the radial direction is consistent with the normal direction of the measuring surface. The wind vane, the first baffle and the second baffle are all made of metal materials and are in the same circuit as the steering motor through wires. When the wind vane contacts the first baffle or the second baffle, the forward rotation circuit or the reverse rotation circuit of the steering motor is conducted, driving the annular gear disk to rotate clockwise or counterclockwise until the normal direction of the measuring surface is consistent with the wind direction.

Description

Technical Field

[0001] The present invention relates to a wind speed testing device with an automatic steering function. Background Art

[0002] Existing wind speed measurement: For non-fixed point measurement and non-long-term measurement scenarios, the commonly used wind speed measurement methods include using a hand-held wind measurement device for multi-point measurement; for fixed point measurement, a sensor bracket is arranged for distributed measurement.

[0003] When using a hand-held wind measurement device to measure wind speed, as an operator, being located in the wind field itself becomes the main factor affecting the wind speed inside the measured area of the wind field, directly resulting in inaccurate measurement results; for arranging a sensor bracket to measure wind speed, the measurement results are accurate, but the processes of arranging and retracting the sensor bracket are cumbersome, the equipment is inconvenient to move, time-consuming and laborious. At the same time, once the sensor bracket is arranged, the measurement direction is fixed and inconvenient to adjust. Summary of the Invention

[0004] Object of the Invention: The object of the present invention is to provide a wind speed testing device with an automatic steering function, which can adjust the direction of the wind speed sensor according to the change of the wind direction, so that the wind direction is always consistent with the normal direction of the measurement plane formed by the plane where the matrix wind speed sensor is located, thereby improving the accuracy of the measurement results.

[0005] Technical Solution: The wind speed testing device with an automatic steering function according to the present invention includes a base with walking wheels, an automatic steering device fixed on the base through a thrust bearing, and a measurement device fixed on the automatic steering device through a support frame structure; the measurement device includes a plurality of wind speed sensors arranged in an array, and the plane where the array wind speed sensors are located is the measurement plane; wherein, the automatic steering device includes a steering motor and an annular gear disk rotated by the steering motor; it also includes a wind vane fixed on the gear disk and a first baffle and a second baffle respectively located on both sides of the wind vane. The axis of the wind vane along the radial direction is consistent with the normal direction of the measurement plane. The wind vane, the first baffle and the second baffle are all made of metal materials and are in the same circuit with the steering motor through wires. When the wind vane contacts the first baffle or the second baffle, the forward rotation circuit or the reverse rotation circuit of the steering motor is conducted, driving the annular gear disk to rotate clockwise or counterclockwise until the normal direction of the measurement plane is consistent with the wind direction.

[0006] The wind vane is a metal sheet with a thickness of 1 to 2 mm, and includes a diamond-shaped pointing end and a tail baffle. The wind vane is fixed to the gear plate through a rotating shaft. Under wind force, the wind vane rotates around the rotating shaft until the tail baffle contacts the first baffle or the second baffle. The horizontal distance between the center of the first baffle and the second baffle and the tail baffle of the wind vane is 0.4 to 0.6 cm. The first baffle and the second baffle are both arc-shaped.

[0007] Among them, an angle scale is provided on the outer ring of the annular gear disk, and a wind direction pointer is provided on the base at the position where the angle scale is provided on the annular gear disk. After the automatic steering device rotates, the wind direction pointer points out the corresponding wind direction on the angle scale; a tooth structure is provided on the inner ring of the annular gear disk, and a rotating motor is fixed on the base, and the output end of the rotating motor is fixedly connected to the gear; when the automatic steering device rotates, the gear disk rotates at the same time, while the wind direction pointer fixed on the base does not move, and the scale where the wind direction pointer stays on the angle scale of the gear disk corresponds to the angle between the wind direction and the measuring device; it also includes a transmission gear set fixed to the base through a rotating shaft (the rotating shaft is fixed on the base, and the transmission gear set is fixed to the rotating shaft through a bearing), the gear is meshed with the transmission gear set, and the transmission gear set is meshed with the tooth structure on the inner ring of the annular gear disk.

[0008] Among them, the support frame structure includes a fixing plate fixed on the gear plate, a primary support frame fixed on the fixing plate, a secondary support frame connected to the primary support frame, and a tertiary support frame connected to the secondary support frame through a bending mechanism.

[0009] Among them, the bending mechanism includes a double hinge structure I located at the connection between the secondary support frame and the tertiary support frame, the double hinge structure I is located between the secondary support frame and the tertiary support frame, and is hinged to the two; it also includes three groups of hydraulic cylinders and supporting structures, among which, one end of the hydraulic rod I is hinged to the secondary support frame, the other end of the hydraulic rod I is hinged to the supporting structure, one end of the hydraulic rod II is hinged to the tertiary support frame, the other end of the hydraulic rod II is hinged to the supporting structure, one end of the hydraulic rod III is fixedly connected to the double hinge structure I, and the other end of the hydraulic rod III is fixedly connected to the supporting structure.

[0010] Among them, the base is a triangular support frame, and the walking wheels at the bottom of the base include a steering wheel and two follower wheels; the follower wheel includes a follower wheel bracket and a follower wheel body installed on the follower wheel bracket, the follower wheel bracket is also provided with a brake lifting rod and a follower wheel brake pad located at the end of the driving end of the brake lifting rod, and the follower wheel bracket is also provided with an in-position sensor for detecting that the follower wheel brake pad has moved into position; the follower wheel is extended downward by the brake lifting rod fixed on the follower wheel bracket, driving the follower wheel brake pad to be pressed down onto the follower wheel body to form a brake.

[0011] Among them, the measuring device includes a mounting frame fixed to the secondary support frame and the tertiary support frame, and a wind speed sensor mounted on the mounting frame. The mounting frame includes a first-stage telescopic rod, a first-stage swing rod, a double hinge structure II, a second-stage swing rod, and a second-stage telescopic rod. The first-stage telescopic rod and the first-stage swing rod are hollow pipes. The first-stage swing rod extends into the first-stage telescopic rod and can telescopically move back and forth relative to the first-stage telescopic rod. An airbag is provided inside the first-stage telescopic rod and the first-stage swing rod. After the airbag is inflated, an extrusion force is formed in the inner cavities of the first-stage telescopic rod and the first-stage swing rod, pushing the first-stage swing rod to extend outward relative to the first-stage telescopic rod. The structure and connection method of the second-stage swing rod and the second-stage telescopic rod are the same as those of the first-stage telescopic rod and the first-stage swing rod. The first-stage swing rod and the second-stage swing rod are connected by a double hinge structure II. The airbag is connected to a gas cylinder through a connecting air pipe. The gas cylinder is fixed on the base, and a pressure control valve is provided on the connecting air pipe. The wind speed sensor is arranged at the end of the first-stage telescopic rod and the second-stage telescopic rod away from the support frame.

[0012] Among them, it further includes a PLC controller. The pressure control valve, the in-place sensor, the steering wheel, the braking jacking rod, and the wind speed sensor are all connected to the PLC controller. The PLC controller conducts information interaction with the remote monitoring terminal through a communication module. The PLC controller drives the entire wind speed testing device to move through the steering wheel. When the preset distance is moved, the driving motor in the steering wheel is driven to stop rotating, and the driving braking jacking rod is driven to eject. When the in-place sensor detects that the brake pad has moved in place, the jacking rod is stopped from continuing to eject. The PLC controller adjusts the inflation pressure of the airbag through the pressure control valve, thereby controlling the outward extension length of the first-stage swing rod relative to the first-stage telescopic rod. The PLC controller transmits the wind speed information detected by the wind speed sensor to the remote monitoring terminal.

[0013] Beneficial effects: The testing device of the present invention arranges an array of wind speed sensors in a certain space to achieve wind speed measurement in a wide space. Cooperating with the moving device, regional measurement can be realized. At the same time, an automatic steering device is adopted. The wind vane deflects according to different wind directions. The tail of the wind vane contacts the left and right baffle plates, realizing the positive and negative rotation of the steering motor, thereby driving the gear disk to rotate and adjust the angle of the measuring device, so that the normal direction of the measuring plane is consistent with the wind direction, making the measurement more accurate. Angle scales are engraved on the gear disk, and in cooperation with the wind direction pointer, the wind direction of the measured wind field can be directly obtained. Finally, the windward area of the structure of the testing device of the present invention is small relative to the windward area within the testing range, and the testing device itself has little influence on the test results, thereby further improving the measurement accuracy. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of the wind speed testing device of the present invention;

[0015] Figure 2 It is a left view of the wind speed testing device of the present invention;

[0016] Figure 3 Top view of the automatic steering device placed on the base;

[0017] Figure 4 Partial cross-sectional view of the follower wheel;

[0018] Figure 5 Partial structural schematic diagram of the wind vane and baffle part in the automatic steering device;

[0019] Figure 6 Top view of the wind vane and baffle part in the automatic steering device;

[0020] Figure 7 Structural schematic diagram of the wind vane;

[0021] Figure 8 Circuit schematic diagram of the wind vane and the first baffle or the second baffle as the circuit connection switch of the steering motor;

[0022] Figure 9 Schematic diagram of the change of the bending mechanism of the support frame structure;

[0023] Figure 10 Cross-sectional view of the connection part between the first-stage telescopic rod and the second-stage swing rod in the measuring device;

[0024] Figure 11 Schematic diagram of the change of the double hinge structure in the measuring device before and after the airbag is inflated;

[0025] Figure 12 Internal schematic diagram of the swing rod and the double hinge structure in the measuring device;

[0026] Figure 13 Connection schematic diagram of the double hinge structure and the first-stage swing rod;

[0027] Figure 14 Structural schematic diagram of the double hinge structure;

[0028] Figure 15 Structural schematic diagram of the measuring device. Specific implementation manner

[0029] Such as Figures 1 to 15As shown in the figure, the wind speed measuring device with an automatic steering function according to the present invention includes a base 1 with walking wheels, an automatic steering device 2 fixed on the base 1 through a thrust bearing 2-1, and a measuring device 5 fixed on the automatic steering device 2 through a support frame structure 4; the measuring device 5 includes a plurality of wind speed sensors 5-6 distributed in an array, and the plane where the array of wind speed sensors 5-6 is located is the measuring surface; wherein, the automatic steering device 2 includes a steering motor 2-8 and an annular gear disk 2-2 rotated under the drive of the steering motor 2-8; it also includes a wind vane 2-4 fixed on the gear disk 2-2 and a first baffle 2-5 and a second baffle 2-6 respectively located on both sides of the wind vane 2-4. The placement position of the wind vane 2-4 is: the radial axis of the wind vane 2-4 is consistent with the normal direction of the measuring surface. The wind vane 2-4, the first baffle 2-5, and the second baffle 2-6 are all metal conductive structures, made of metal copper, and are in the same circuit as the steering motor through wires. When the wind vane 2-4 contacts the first baffle 2-5 or the second baffle 2-6, the forward rotation circuit or the reverse rotation circuit of the steering motor 2-8 is conducted, driving the annular gear disk 2-2 to rotate clockwise or counterclockwise until the normal direction of the measuring surface is consistent with the wind direction. The wind speed measuring device of the present invention can automatically adjust the measuring direction of the sensor according to the wind direction.

[0030] The wind vane 2-4 used in the present invention is a metal sheet with a thickness of 1 to 2 mm. The wind vane 2-4 includes a rhombic pointing end 2-4-1 and a tail baffle 2-4-2; the wind vane 2-4 is fixed on the bracket 2-3 through a rotating shaft 2-4-3, and the bracket 2-3 is fixed on the gear disk 2-2. Under the action of wind, the wind vane 2-4 rotates around the rotating shaft 2-4-3 until the tail baffle 2-4-2 contacts the first baffle 2-5 or the second baffle 2-6; both the first baffle 2-5 and the second baffle 2-6 are arc-shaped, and the horizontal distance between the centers of the first baffle 2-5 and the second baffle 2-6 and the tail baffle 2-4-2 of the wind vane is 0.4 to 0.6 cm.

[0031] An angle scale 2-10 is provided on the outer ring of the annular gear disk 2-2, and a wind direction pointer 2-7 is provided on the base 1 at the position where the angle scale 2-10 is provided on the annular gear disk 2-2. After the automatic steering device 2 rotates, the wind direction pointer 2-7 indicates the corresponding wind direction on the angle scale; a tooth structure 2-11 is provided on the inner ring of the annular gear disk 2-2, the rotating motor 2-8 is fixed on the base 1, and the output end of the rotating motor 2-8 is fixedly connected with a gear; it also includes a transmission gear set 2-9 fixed on the base 1 through a rotating shaft 2-12. The rotating shaft 2-12 is fixed on the base 1, and the transmission gear set 2-9 is fixed on the rotating shaft 2-12 through a bearing. The gear meshes with the transmission gear set 2-9, and the transmission gear set 2-9 meshes with the tooth structure 2-11 on the inner ring of the annular gear disk 2-2.

[0032] The wind vane 2-4 can rotate under the action of wind force. When the wind direction is inconsistent with the normal direction of the measurement plane, under the action of wind force, the wind vane 2-4 deflects. At the same time, the tail baffle 2-4-2 of the wind vane 2-4 contacts the first baffle 2-5 (or the second baffle 2-6), and the motor is powered on to drive the annular gear disk 2-2 to rotate.

[0033] As Figure 8 shown, when the wind vane 2-4 contacts the first baffle 2-5, the motor is powered on in the forward direction, and the forward rotation of the motor drives the annular gear disk 2-2 to rotate clockwise; when the wind vane 2-4 contacts the second baffle 2-6, the motor is powered on in the reverse direction, and the reverse rotation of the motor drives the annular gear disk 2-2 to rotate counterclockwise.

[0034] The rotation of the steering motor 2-8 is transmitted to the gear disk 2-2 through the transmission gear set 2-9. The gear disk 2-2 drives the measuring device 5 to rotate. The rotation speed of the steering motor 2-8 is reduced under the adjustment of the transmission gear set 2-9 to prevent the measuring device 5 from rotating too fast. The rotating shaft 2-12 of the transmission gear set 2-9 is fixed on the triangular support frame 1-1. The wind vane 2-4, the first baffle 2-5, and the second baffle 2-6 are all fixed on the gear disk 2-2 through the wind vane support 2-3 and rotate together with the gear disk 2-2. Under the adjustment of the steering device 2, the measuring device 5 rotates in the direction. When the wind direction is consistent with the normal direction of the measurement plane, the wind vane 2-4 does not contact the first baffle 2-5 and the second baffle 2-6, and the motor is powered off, and the measurement direction adjustment process ends. The gear disk 2-2 is connected to the triangular support frame 1-1 through the thrust bearing 2-1, and the rotational friction is reduced through the thrust bearing 2-1 to achieve free rotation. An angle scale 2-10 is engraved on the gear disk 2-2. After the automatic steering device 2 rotates, the position of the wind direction pointer 2-7 on the angle scale 2-10 corresponds to the current wind direction.

[0035] The support frame structure 4 includes a fixed plate 4-1 fixed on the gear disk 2-2, a primary support frame 4-2 fixed on the fixed plate 4-1, a secondary support frame 4-3 connected in cooperation with the primary support frame 4-2, and a tertiary support frame 4-5 connected to the secondary support frame 4-3 through a bending mechanism. The bending mechanism includes a double hinge structure I4-4 located at the connection of the secondary support frame 4-3 and the tertiary support frame 4-5; it also includes three groups of hydraulic cylinders and a receiving structure 4-9. One end of the hydraulic rod I4-6 is hinged to the secondary support frame 4-3, the other end of the hydraulic rod I4-6 is hinged to the receiving structure 4-9, one end of the hydraulic rod II4-8 is hinged to the tertiary support frame 4-5, the other end of the hydraulic rod II4-8 is hinged to the receiving structure 4-9, one end of the hydraulic rod III4-7 is fixedly connected to the double hinge structure I4-4, and the other end of the hydraulic rod III4-7 is fixedly connected to the receiving structure 4-9.

[0036] The fixed plate 4-1 is fixed on the gear disc 2-2 by bolts. The fixed plate 4-1 is connected to the first-level support frame 4-2 in a hinged manner. The first-level support frame 4-2 is connected to the gear disc 2-2 by a first-level hydraulic rod 4-10. One end of the first-level hydraulic rod 4-10 is hinged to the cross beam of the first-level support frame 4-2, and one end of the first-level hydraulic rod 4-10 is hinged to the gear disc 2-2, playing an auxiliary supporting role for the first-level support frame 4-2. The main structures of the first-level support frame 4-2, the second-level support frame 4-3, and the third-level support frame 4-5 are all rectangular pipes. The second-level support frame 4-3 is connected to the first-level support frame 4-2 in a cooperative manner. The second-level support frame 4-3 can move relative to the first-level support frame 4-2 along the pipe orifice direction. The second-level support frame 4-3 is connected to the third-level support frame 4-5 through a bending mechanism.

[0037] The base 1 is a triangular support frame 1-1. The traveling wheels at the bottom of the base 1 include a steering wheel 1-3 and two follower wheels 1-2. The follower wheel 1-2 includes a follower wheel bracket 1-2-1 and a follower wheel body 1-2-4 installed on the follower wheel bracket 1-2-1. A braking jacking rod 1-2-2 and a follower wheel brake pad 1-2-3 located at the driving end of the braking jacking rod 1-2-2 are also provided on the follower wheel bracket 1-2-1. A position sensor for detecting the movement of the follower wheel brake pad 1-2-3 in place is also provided on the follower wheel bracket 1-2-1. The follower wheel 1-2 extends downward through the braking jacking rod 1-2-2 fixed on the follower wheel bracket 1-2-1, driving the follower wheel brake pad 1-2-3 to press down on the follower wheel body 1-2-4 to form braking.

[0038] The measuring device 5 includes a mounting bracket fixed to the secondary support bracket 4-3 and the tertiary support bracket 4-5, and an anemometer 5-6 mounted on the mounting bracket. The mounting bracket includes a first-stage telescopic rod 5-1, a first-stage swing rod 5-2, a double hinge structure II 5-3, a second-stage swing rod 5-4, and a second-stage telescopic rod 5-5. The first-stage telescopic rod 5-1 and the first-stage swing rod 5-2 are hollow pipes. The first-stage swing rod 5-2 extends into the first-stage telescopic rod 5-1 and can telescopically move back and forth relative to the first-stage telescopic rod 5-1. An airbag 5-7 is provided inside the first-stage telescopic rod 5-1 and the first-stage swing rod 5-2. After the airbag 5-7 is inflated, the airbag 5-7 forms a squeezing force in the inner cavities of the first-stage telescopic rod 5-1 and the first-stage swing rod 5-2, pushing the first-stage swing rod 5-2 to extend outward relative to the first-stage telescopic rod 5-1. The structure and connection mode of the second-stage swing rod 5-4 and the second-stage telescopic rod 5-5 are the same as those of the first-stage telescopic rod 5-1 and the first-stage swing rod 5-2, that is, the second-stage telescopic rod 5-5 and the second-stage swing rod 5-4 are hollow pipes. The second-stage swing rod 5-4 extends into the second-stage telescopic rod 5-5 and can telescopically move back and forth relative to the second-stage telescopic rod 5-5. An airbag 5-7 is also provided inside the second-stage telescopic rod 5-5 and the second-stage swing rod 5-4. After the airbag 5-7 is inflated, the airbag 5-7 forms a squeezing force in the inner cavities of the second-stage telescopic rod 5-5 and the second-stage swing rod 5-4, pushing the second-stage swing rod 5-4 to extend outward relative to the second-stage telescopic rod 5-5. The first-stage swing rod 5-2 and the second-stage swing rod 5-4 are connected by the double hinge structure II 5-3. The airbag 5-7 is connected to a gas cylinder 5-8 through a connecting air pipe. The gas cylinder 5-8 is fixed to the triangular support bracket 1-1, and a pressure control valve is provided on the connecting air pipe. The anemometer 5-6 is arranged at the end of the first-stage telescopic rod 5-1 and the second-stage telescopic rod 5-5 far from the support bracket. Through Figures 12 to 14 As can be seen, the ends of the first-stage swing rod 5-2 and the second-stage swing rod 5-4 extend into the symmetric two-side ends of the double hinge structure II 5-3. The arc-shaped ends of the first-stage swing rod 5-2 and the second-stage swing rod 5-4 can both rotate in the double hinge structure II 5-3, realizing the hinge connection between the first-stage swing rod 5-2 and the second-stage swing rod 5-4 and the double hinge structure II 5-3. The structure of the double hinge structure I 5-3 is the same as that of the double hinge structure I 4-4, and the connection mode with the two side rods is also the same.

[0039] The telescopic rods at all levels and the swing rods are all cavity structures, and air bags 5-7 are arranged inside. The air bags 5-7 are inflated by gas cylinders 5-8 fixed on the triangular support frame 1-1. A pressure control valve is arranged on the connecting air pipe at the outlet of the gas cylinder 5-8, and the inflation pressure of the air bag 5-7 is adjusted through the pressure control valve. The telescopic rod realizes elongation through the inflation of the internal air bag 5-7. The swing rod and the double hinge structure II5-3 rotate under the action of the inflation pressure of the air bag 5-7. After reaching the predetermined position, a certain pressure is reached inside the air bag 5-7, and under the action of the pressure control valve, the gas cylinder 5-8 stops inflating the air bag 5-7. There are eight groups of telescopic rods and swing rods in total, and there are sixteen wind speed sensors 5-6 in total. One wind speed sensor 5-6 is arranged at the end of each group of secondary telescopic rods 5-5 and at the end of the primary telescopic rod 5-1. After the air bag 5-7 is inflated, the wind speed sensors 5-6 are arranged in an array. The plane where the array wind speed sensors 5-6 are located is the measurement plane. The wind speed sensors 5-6 are connected to the PLC controller through cables, and the PLC controller transmits the wind speed information detected by the wind speed sensors 5-6 to the remote monitoring terminal.

[0040] In the support frame structure and the measuring device 5 of the present invention, automatic telescopic structures are adopted in many places, which is convenient for quick arrangement, and has a small volume after being retracted, which is convenient for movement.

[0041] The wind speed testing device of the present invention is driven to move by a steering wheel 1-3. A driving motor is arranged inside the steering wheel 1-3, and the steering wheel rotates under the drive of the driving motor, so as to realize the overall movement of the wind speed testing device; after reaching the designated position, it is braked by a follower wheel 1-2 to fix the position of the whole device.

[0042] The wind speed testing device with an automatic steering function of the present invention further includes a PLC controller 3 with a display panel. The pressure control valve, the in-place sensor, the steering wheel 1-3, the braking jacking rod 1-2-2 and the wind speed sensor 5-6 are all connected to the PLC controller. The PLC controller conducts information interaction with the remote monitoring terminal through a communication module. The PLC controller drives the whole wind speed testing device to move through the steering wheel 1-3. When moving to the corresponding position, the driving motor in the driving steering wheel 1-3 stops rotating, and the driving braking jacking rod 1-2-2 is ejected. When the in-place sensor detects that the brake pad 1-2-3 has moved in place, the braking jacking rod 1-2-2 is stopped from continuing to eject. The PLC controller adjusts the inflation pressure of the air bag 5-7 through the pressure control valve, so as to control the outward extension length of the primary swing rod 5-2 relative to the primary telescopic rod 5-1 and the secondary swing rod 5-4 relative to the secondary telescopic rod 5-5; the PLC controller transmits the wind speed information detected by the wind speed sensors 5-6 to the remote monitoring terminal. The present invention adopts remote control to avoid the influence of the tester on the flow field in the test space, and at the same time reduces the windward area of the device, greatly reducing the measurement error.

Claims

1. A wind speed testing device with an automatic steering function, characterized in that: It includes a base with a running wheel, an automatic steering device fixed on the base through a thrust bearing, and a measuring device fixed on the automatic steering device through a support frame structure; the measuring device includes a plurality of wind speed sensors distributed in an array, and the plane where the array wind speed sensors are located is a measuring surface; wherein the automatic steering device includes a steering motor and an annular gear plate that rotates under the drive of the steering motor; it also includes a wind vane fixed on the gear plate, and a first baffle and a second baffle that are respectively located on both sides of the wind vane, the placement position of the wind vane is: the radial axis of the wind vane is consistent with the normal direction of the measuring surface, the wind vane, the first baffle and the second baffle are all made of metal, and when the wind vane contacts the first baffle or the second baffle, the forward circuit or the reverse circuit of the steering motor is turned on, driving the annular gear plate to rotate clockwise or counterclockwise until the normal direction of the measuring surface is consistent with the wind direction; Among them, the support frame structure includes a fixed plate fixed on the gear plate, a first-level support frame fixed on the fixed plate, a second-level support frame connected to the first-level support frame, and a third-level support frame connected to the second-level support frame through a bending mechanism; the bending mechanism includes a double-hinge structure I located at the connection between the second-level support frame and the third-level support frame; it also includes three groups of hydraulic rods and receiving structures, wherein one end of the hydraulic rod I is hinged to the second-level support frame, the other end of the hydraulic rod I is hinged to the receiving structure, one end of the hydraulic rod II is hinged to the third-level support frame, the other end of the hydraulic rod II is hinged to the receiving structure, one end of the hydraulic rod III is fixedly connected to the double-hinge structure I, and the other end of the hydraulic rod III is fixedly connected to the receiving structure; the measuring device includes a mounting frame fixed to the second-level support frame and the third-level support frame and a wind speed sensor installed on the mounting frame, The mounting frame includes a primary telescopic rod, a primary swing rod, a double hinge structure II, a secondary swing rod and a secondary telescopic rod; the primary telescopic rod and the primary swing rod are hollow pipes, the primary swing rod extends into the primary telescopic rod and extends forward and backward relative to the primary telescopic rod, and airbags are arranged inside the primary telescopic rod and the primary swing rod. After the airbags are inflated, the airbags form an extrusion force in the inner cavity of the primary telescopic rod and the primary swing rod, pushing the primary swing rod to extend outward relative to the primary telescopic rod; the structures and connection methods of the secondary swing rod and the secondary telescopic rod are consistent with those of the primary telescopic rod and the primary swing rod; the primary swing rod and the secondary swing rod are connected through the double hinge structure II; the airbag is connected to the gas cylinder through a connecting air pipe, the gas cylinder is fixed on the triangular support frame, and a pressure control valve is arranged on the connecting air pipe; the wind speed sensor is arranged at one end of the primary telescopic rod and the secondary telescopic rod away from the support frame.

2. The wind speed testing device with an automatic steering function according to claim 1, characterized in that: The weather vane is a metal sheet with a thickness of 1 to 2 mm, and includes a diamond-shaped pointing end and a tail baffle; the wind vane is fixed to the gear plate through a rotating shaft, and under wind force, the wind vane rotates around the rotating shaft until the tail baffle contacts the first baffle or the second baffle; the first baffle and the second baffle are both arc-shaped, and the horizontal distance between the center of the first baffle and the second baffle and the tail baffle of the wind vane is 0.4 to 0.6 cm.

3. The wind speed testing device with an automatic steering function according to claim 1, characterized in that: An angle scale is provided on the outer ring of the ring gear disk, and a wind direction pointer is provided on the base at the position where the ring gear disk has the angle scale. After the automatic steering device rotates, the scale on the angle scale of the gear disk where the wind direction pointer stops is the angle between the wind direction and the measuring device; a tooth structure is provided on the inner ring of the ring gear disk, the steering motor is fixed on the base, and the output end of the steering motor is fixedly connected to the gear; a transmission gear set fixed on the base through a rotating shaft is further included, the gear meshes with the transmission gear set, and the transmission gear set meshes with the tooth structure on the inner ring of the ring gear disk.

4. The wind speed testing device with an automatic steering function according to claim 1, characterized in that: The base is a triangular support frame, and the traveling wheels at the bottom of the base include a steering wheel and two follower wheels; the follower wheels include a follower wheel support and a follower wheel body installed on the follower wheel support. A braking jacking rod and a follower wheel brake pad located at the driving end of the braking jacking rod are further provided on the follower wheel support, and a position sensor for detecting the follower wheel brake pad is also provided on the follower wheel support.

5. The wind speed testing device with an automatic steering function according to claim 1, characterized in that: A PLC controller is further included, and the pressure control valve, the position sensor, the steering wheel, the braking jacking rod, and the wind speed sensor are all connected to the PLC controller. The PLC controller performs information interaction with the remote monitoring terminal through a communication module.

Images