Rotary anemoscope calibration device

Abstract

The utility model relates to the technical field of measurement and detection, and discloses a rotary anemoscope calibration device which comprises an aluminum profile frame and a wind tunnel bottom wall located at the top of the aluminum profile frame, a control cabinet is installed in an inner cavity of the aluminum profile frame, a worm gear is rotationally connected to the position, close to one side, of the top of the aluminum profile frame, and the worm gear is rotationally connected with the control cabinet. A servo motor is fixedly installed at the position, close to the middle, of the top of the aluminum profile frame, a worm is fixedly installed at the shaft end of a power output shaft of the servo motor, the worm and the worm gear are meshed with each other, a pressing plate is arranged at the top of the worm gear, and supporting rods are fixedly installed at the positions, close to the two sides, of the top of the pressing plate; according to the device, the anemograph is installed on the dial surface, then different wind direction conditions are set through the control cabinet, the system can automatically adjust the angle of the wind indicator, the response of the anemograph is recorded through the encoder, the calibration efficiency is improved, the accuracy of the measurement result of the anemograph is ensured, and meanwhile the device is easy and convenient to operate, high in automation degree and high in reliability.

Description

Technical Field

[0001] The utility model relates to the technical field of measurement and detection, in particular to a rotary wind vane calibration device. Background Art

[0002] Wind direction and anemometers are used to measure instantaneous wind speed and direction. Traditional instruments are mainly composed of a support pole, a wind vane, a wind cup, a wind speed and wind direction sensor. The direction of the wind vane is the direction of the incoming wind, and the wind speed is calculated based on the rotation speed of the wind cup, so it is also called a cup-type wind direction and anemometer.

[0003] To ensure that the wind vane's measurement results are accurate and reliable, it needs to be calibrated regularly. However, existing calibration methods and equipment often have some shortcomings, such as the calibration process is complicated, time-consuming, and inconvenient to operate, which all affect the efficiency and accuracy of wind vane calibration.

[0004] Therefore, we propose a rotary wind vane calibration device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a rotary wind vane calibration device to solve the problems raised by the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary wind vane calibration device, comprising an aluminum profile frame and a wind tunnel bottom wall located at the top of the aluminum profile frame, a control cabinet is installed in the inner cavity of the aluminum profile frame, a worm gear is rotatably connected to the top of the aluminum profile frame near one side, and a servo motor is fixedly installed near the middle position of the top of the aluminum profile frame, a worm is fixedly installed on the end of the servo motor power output shaft, and the worm and the worm gear are meshed with each other, a pressure plate is provided on the top of the worm gear, and support rods are fixedly installed on the top of the pressure plate near both sides, a scale dial surface is installed on the top of the support rod, a sealing strip is provided at the bottom of the scale dial surface, an anemometer is provided on the top of the scale dial surface, and an installation assembly is provided between the anemometer and the scale dial surface, a screw is passed through the top of the pressure plate and the worm gear, and an encoder is installed at the bottom of the screw.

[0007] Preferably, threaded holes are provided near the four sides of the bottom of the aluminum profile frame, and the inner cavities of the threaded holes are threadedly connected to the Forma wheels, and the bottom of the aluminum profile frame is fixedly installed with ground fixings.

[0008] Preferably, the mounting assembly includes a driving seat located at the top of the dial surface near the rear side and a driving rod that movably penetrates the driving seat, the driving seat is slidably connected to the top of the dial surface, a placement block is fixedly installed at the bottom of the anemometer, a placement groove is provided at the center of the top circle of the dial surface, and the placement block is movably inserted in the inner cavity of the placement groove, storage grooves are provided near both sides of the top of the dial surface, and the storage grooves and the placement grooves are arranged to penetrate each other, a T-shaped card block is fixedly installed at the bottom end of the driving rod, and the bottom of the T-shaped card block is slidably connected to the bottom of the inner cavity of the storage groove, card slots are provided on both sides of the placement block, and the T-shaped card blocks are movably inserted in the inner cavities of adjacent card slots.

[0009] Preferably, the top of the driving seat is provided with an oblique groove near the front side, and the top end of the driving seat is movable through the inner cavity of the adjacent oblique grooves.

[0010] Preferably, a fixed block is fixedly installed at the middle position of the rear side of the driving seat, and a T-shaped plug block is movably passed through the top of the fixed block. Two slots are provided at the top of the scale dial surface near the rear side. A handle is fixedly installed on the top of the T-shaped plug block, and the bottom of the T-shaped plug block is movably inserted into the inner cavity of the slot.

[0011] Preferably, telescopic rods are fixedly installed on the bottom of the T-shaped plug near both sides, and the bottom ends of the telescopic rods are fixedly connected to the fixed blocks. Springs are movably sleeved on the outer periphery of the telescopic rods, and the two ends of the springs are fixedly connected to the T-shaped plug and the fixed block respectively.

[0012] Preferably, the scale plate surface, support rods and ground fixings are all made of 304 stainless steel.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The device installs the anemometer on the dial surface, and then sets different wind direction conditions through the control cabinet. The system will automatically adjust the angle of the wind vane and record the response of the wind vane through the encoder, which improves the calibration efficiency and ensures the accuracy of the anemometer measurement results. At the same time, it is easy to operate, highly automated and reliable.

[0015] 2. When installing the anemometer, by inserting the placement block fixed to the bottom of the anemometer into the inner cavity of the placement slot, and inserting the opposite side of the T-shaped card block into the inner cavity of the adjacent card slot, it is convenient to install the dial surface, and by inserting the T-shaped plug-in block into the inner cavity of the adjacent slot, the position of the drive seat movement can be limited, thereby improving the effect of adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the utility model;

[0017] Figure 2This is a schematic diagram of the three-dimensional structure of the anemometer and the dial surface of the utility model;

[0018] Figure 3 This is an exploded view of the anemometer, dial surface and placement block of the utility model;

[0019] Figure 4 For the utility model Figure 3 Enlarged view of point A in the middle;

[0020] Figure 5 For the utility model Figure 3 Enlarged view of point B in the middle.

[0021] In the figure: 1. Wind tunnel bottom wall; 2. Scale dial surface; 3. Sealing strip; 4. Support rod; 5. Worm gear; 6. Servo motor; 7. Encoder; 8. Aluminum profile frame; 9. Control cabinet; 10. Forma wheel; 11. Ground fixings; 12. Anemometer; 13. Worm; 14. Screw; 15. Drive seat; 16. Inclined groove; 17. Drive rod; 18. Placement block; 19. Placement groove; 20. T-shaped block; 21. Fixing block; 22. T-shaped plug-in block; 23. Spring; 24. Telescopic rod; 25. Slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1

[0024] See also Figure 1-5A rotary wind vane calibration device includes an aluminum profile frame 8 and a wind tunnel bottom wall 1 located at the top of the aluminum profile frame 8. A control cabinet 9 is installed in the inner cavity of the aluminum profile frame 8. A worm gear 5 is rotatably connected to the top of the aluminum profile frame 8 near one side, and a servo motor 6 is fixedly installed near the middle position of the top of the aluminum profile frame 8. A worm 13 is fixedly installed at the end of the power output shaft of the servo motor 6, and the worm 13 and the worm gear 5 are meshed with each other. A pressure plate is provided on the top of the worm gear 5, and the top of the pressure plate is close to the middle position. Support rods 4 are fixedly installed on both sides, a dial surface 2 is installed on the top of the support rod 4, a sealing strip 3 is provided at the bottom of the dial surface 2, an anemometer 12 is provided on the top of the dial surface 2, and a mounting assembly is provided between the anemometer 12 and the dial surface 2. A screw 14 runs through the top of the pressure plate and the worm gear 5. The outer periphery of the screw 14 is threadedly connected with a nut to facilitate separation of the support rod 4 from the pressure plate. An encoder 7 is installed at the bottom of the screw 14, which provides feedback on the actual rotation angle of the worm gear 5.

[0025] Specifically, the device installs the anemometer 12 on the dial surface 2, and then sets different wind direction conditions through the control cabinet 9. The system will automatically adjust the angle of the wind vane and record the response of the wind vane through the encoder 7, thereby improving the calibration efficiency and ensuring the accuracy of the measurement results of the anemometer 12. At the same time, it is easy to operate, highly automated and reliable.

[0026] The bottom of the aluminum profile frame 8 is provided with threaded holes near the four sides, and the inner cavity of the threaded holes is threadedly connected to the Forma wheel 10. The top of the Forma wheel 10 is a stud, and the level of the aluminum profile frame 8 can be adjusted. The bottom of the aluminum profile frame 8 is fixed with a ground fixing part 11.

[0027] The dial surface 2, the support rod 4 and the ground fixing piece 11 are all made of 304 stainless steel.

[0028] Example 2

[0029] This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 2 、 Figure 3 、 Figure 4 and Figure 5The mounting assembly includes a drive seat 15 located near the rear side of the top of the dial surface 2 and a drive rod 17 that movably penetrates the drive seat 15. The drive seat 15 is slidably connected to the top of the dial surface 2. A placement block 18 is fixedly installed at the bottom of the anemometer 12. A placement groove 19 is provided at the center of the top of the dial surface 2, and the placement block 18 is movably inserted in the inner cavity of the placement groove 19. Receiving grooves are provided at both sides of the top of the dial surface 2, and the storage grooves and the placement grooves 19 are connected to each other. A T-shaped block 20 is fixedly installed at the bottom end of the drive rod 17, and the bottom of the T-shaped block 20 is slidably connected to the bottom of the inner cavity of the storage groove. Slots are provided on both sides of the placement block 18, and the T-shaped blocks 20 are movably inserted in the inner cavities of adjacent slots.

[0030] Specifically, when the anemometer 12 is installed, the placement block 18 fixed to the bottom of the anemometer 12 is inserted into the inner cavity of the placement slot 19, and the opposite side of the T-shaped block 20 is inserted into the inner cavity of the adjacent slot, which facilitates the installation of the dial surface 2.

[0031] The top of the driving seat 15 is provided with an oblique slot 16 near the front side, and the top end of the driving seat 15 is movable through the inner cavity of the adjacent oblique slot 16 .

[0032] A fixing block 21 is fixedly installed at the middle position of the rear side of the driving seat 15, and a T-shaped plug block 22 is movably inserted into the top of the fixing block 21. Two slots 25 are provided at the top of the dial surface 2 near the rear side. A handle is fixedly installed on the top of the T-shaped plug block 22, and the bottom of the T-shaped plug block 22 is movably inserted into the inner cavity of the slot 25.

[0033] Specifically, by inserting the T-shaped plug 22 into the inner cavity of the adjacent slot 25, the position of the seat 15 can be driven to be limited, thereby improving the effect of adjustment.

[0034] Telescopic rods 24 are fixedly installed near both sides of the bottom of the T-shaped plug 22, and the bottom ends of the telescopic rods 24 are fixedly connected to the fixed block 21. Springs 23 are movably sleeved on the outer periphery of the telescopic rods 24, and the two ends of the springs 23 are fixedly connected to the T-shaped plug 22 and the fixed block 21 respectively.

[0035] Specifically, the T-shaped plug 22 can be tightly inserted into the inner cavity of the slot 25 by providing the spring 23 and the telescopic rod 24 .

[0036] Working principle: When the utility model is in use, the bottom wall 1 of the wind tunnel is connected to the dial surface 2, the dial surface 2 is used to fix the measured object, and the sealing strip 3 is connected to the dial surface 2 to seal and prevent air leakage. When the anemometer 12 is installed on the dial surface 2, the placement block 18 fixed on the anemometer 12 is inserted into the inner cavity of the placement groove 19, and then the handle is pushed upward to make the bottom surface of the T-shaped insertion block 22 fixed on the handle away from the inner cavity of the adjacent slot 25, and then the drive seat is pushed forward. 15. After pushing to a certain position, the staff can release the handle. Under the action of the spring 23 and the telescopic rod 24, the bottom surface of the T-shaped plug 22 can be inserted into the inner cavity of the adjacent slot 25, which is convenient for the installation of the anemometer 12. By setting different wind direction conditions through the control cabinet 9, the system will automatically adjust the angle of the wind vane and record the response of the wind vane through the encoder 7, which improves the calibration efficiency and ensures the accuracy of the measurement results of the anemometer 12. At the same time, it is easy to operate, highly automated and reliable.

[0037] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A rotary wind vane calibration device, comprising an aluminum profile frame (8) and a wind tunnel bottom wall (1) located on top of the aluminum profile frame (8), characterized in that: The inner cavity of the aluminum profile frame (8) is installed with a control cabinet (9), the top of the aluminum profile frame (8) is rotatably connected to a worm gear (5), and the top of the aluminum profile frame (8) is fixedly installed with a servo motor (6) near the middle position, the servo motor (6) power output shaft end is fixedly installed with a worm gear (13), and the worm gear (13) and the worm gear (5) are meshed with each other, a pressure plate is provided on the top of the worm gear (5), and support rods (4) are fixedly installed on the top of the pressure plate near both sides, a scale plate surface (2) is installed on the top of the support rod (4), a sealing strip (3) is provided at the bottom of the scale plate surface (2), an anemometer (12) is provided on the top of the scale plate surface (2), and a mounting assembly is provided between the anemometer (12) and the scale plate surface (2), a screw rod (14) is passed through the top of the pressure plate and the worm gear (5), and an encoder (7) is installed at the bottom of the screw rod (14).

2. A rotary wind vane calibration device according to claim 1, characterized in that: The bottom of the aluminum profile frame (8) is provided with threaded holes near the four sides, and the inner cavities of the threaded holes are threadedly connected to the Forma wheels (10), and the bottom of the aluminum profile frame (8) is fixedly installed with a ground fixing piece (11).

3. The rotary wind vane calibration device according to claim 1, characterized in that: The mounting assembly comprises a driving seat (15) located at the top of the scale plate surface (2) near the rear side and a driving rod (17) movably penetrating the driving seat (15); the driving seat (15) is slidably connected to the top of the scale plate surface (2); a placement block (18) is fixedly installed at the bottom of the anemometer (12); a placement groove (19) is provided at the center of the top of the scale plate surface (2), and the placement block (18) is movably inserted into the inner cavity of the placement groove (19); a receiving groove is provided at the top of the scale plate surface (2) near both sides, and the receiving groove and the placement groove (19) are mutually connected; a T-shaped card block (20) is fixedly installed at the bottom end of the driving rod (17), and the bottom of the T-shaped card block (20) is slidably connected to the bottom of the inner cavity of the receiving groove; a card slot is provided on both sides of the placement block (18), and the T-shaped card block (20) is movably inserted into the inner cavity of the adjacent card slot.

4. A rotary wind vane calibration device according to claim 3, characterized in that: The top of the driving seat (15) is provided with an oblique groove (16) near the front side, and the top end of the driving seat (15) is movable through the inner cavity of the adjacent oblique groove (16).

5. The rotary wind vane calibration device according to claim 3, characterized in that: A fixing block (21) is fixedly installed at the middle position of the rear side of the driving seat (15), and a T-shaped plug-in block (22) is movably inserted into the top of the fixing block (21). Two slots (25) are provided at the top of the scale plate surface (2) near the rear side. A handle is fixedly installed on the top of the T-shaped plug-in block (22), and the bottom of the T-shaped plug-in block (22) is movably inserted into the inner cavity of the slot (25).

6. A rotary wind vane calibration device according to claim 5, characterized in that: A telescopic rod (24) is fixedly installed near both sides of the bottom of the T-shaped plug (22), and the bottom end of the telescopic rod (24) is fixedly connected to the fixed block (21). A spring (23) is movably sleeved on the outer periphery of the telescopic rod (24), and the two ends of the spring (23) are fixedly connected to the T-shaped plug (22) and the fixed block (21) respectively.

7. The rotary wind vane calibration device according to claim 1, characterized in that: The scale plate surface (2), the support rod (4) and the ground fixing piece (11) are all made of 304 stainless steel.

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