A wind speed and direction measuring device

Abstract

This invention relates to a wind speed and direction measuring device, comprising a mounting assembly, a wind speed measuring assembly, a wind direction measuring assembly, and an energy storage device. The mounting assembly includes a mounting plate and a base located below the mounting plate. Multiple columns are connected between the upper surfaces of the mounting plate and the base. The wind direction measuring assembly is mounted on the mounting plate. The wind speed measuring assembly includes a main shaft. The base has a first cavity. The upper end of the main shaft is rotatably mounted on the mounting plate, and the lower end of the main shaft passes downward through the upper side wall of the base and is rotatably mounted on the bottom side wall of the first cavity. Multiple blades are mounted on the side wall of the main shaft between the mounting plate and the base. Multiple actuating plates are provided on the outer side wall of the main shaft inside the first cavity. Multiple mounting plates are evenly mounted on the peripheral side wall of the first cavity, and piezoelectric elements are mounted on the mounting plates. A first circuit board for measuring wind speed is also installed inside the first cavity, and the first circuit board is electrically connected to some of the piezoelectric elements. This invention enables the wind speed and direction measuring tool to be self-powered, has high stability, and saves costs.

Description

Technical Field

[0001] This invention relates to the field of wind speed and direction measurement technology, and in particular to a wind speed and direction measurement device. Background Technology

[0002] With the development of MEMS / NEMS technology, the widespread application of low-energy electronic products such as miniature sensors in fields such as medicine, remote sensing, and monitoring has driven the development of small power supply equipment. Piezoelectric materials have been extensively studied, among which cantilever beam piezoelectric energy harvesters have received widespread attention due to their simple structure, high stability, and low energy consumption. Wind speed measurement, as an indispensable key component of modern sensing information, plays a vital role in various fields such as wind power generation, industrial and agricultural production, meteorological monitoring, and medical devices, and related theories and technologies are constantly advancing.

[0003] Existing wind speed measurement devices mainly consist of mechanical, photosensitive, and thermal anemometers. Among them, mechanical anemometers have a wide range of applications and are simple in structure and easy to deploy. Other types of anemometers, due to issues such as size, cost, and energy consumption, are only suitable for specific scenarios requiring high precision, such as laboratories. Mechanical anemometers, on the other hand, can be widely used in various locations such as high-rise buildings, farms, offshore platforms, and wind farms. However, existing mechanical anemometers require internal batteries, which need to be replaced after prolonged use, causing inconvenience for measurements in harsh environments such as remote mountainous areas and offshore platforms. Summary of the Invention

[0004] This invention provides a wind speed and direction measuring device that enables the wind speed and direction measuring tool to be self-powered, has high stability, and can save costs.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A wind speed and direction measuring device includes an installation assembly, a wind speed measuring assembly, a wind direction measuring assembly, and an energy storage device;

[0007] The aforementioned installation assembly includes a mounting plate and a base disposed below the mounting plate. Multiple columns are connected between the upper surfaces of the mounting plate and the base. The aforementioned wind direction measuring component is disposed on the mounting plate.

[0008] The aforementioned wind speed measuring assembly includes a main shaft, a base having a first cavity, an upper end of the main shaft rotatably mounted on a mounting plate, and a lower end of the main shaft passing downward through the upper sidewall of the base and rotatably mounted on the bottom sidewall of the first cavity. Multiple blades are mounted on the sidewall of the main shaft between the mounting plate and the base. Multiple actuating plates are provided on the outer sidewall of the main shaft within the first cavity. Multiple fixing plates are evenly mounted on the peripheral sidewall of the first cavity, and piezoelectric plates are mounted on the fixing plates. The piezoelectric plates are radially arranged, and their free ends partially overlap when in contact with the free ends of the actuating plates. When the main shaft rotates, the actuating plates cause the piezoelectric plates to bend and vibrate. A first circuit board for measuring wind speed is also installed within the first cavity, and the first circuit board is electrically connected to a portion of the piezoelectric plates.

[0009] The energy storage device is mounted on the base and is electrically connected to another portion of the piezoelectric sheet. The energy storage device is also electrically connected to the first circuit board and the wind speed measuring component.

[0010] Preferably, the blades are arc-shaped.

[0011] Preferably, the wind direction measuring component includes a wind vane and a top cover. The top cover is detachably mounted on the upper surface of the mounting plate. The wind vane is located above the top cover and has a rotating shaft connected to its center. The rotating shaft is rotatably mounted on the top cover.

[0012] Preferably, a second cavity is provided between the upper cover and the upper surface of the mounting plate. The lower end of the rotating shaft passes downward through the upper side wall of the upper cover and is located in the second cavity. A balance block and a probe are connected to the upper outer side wall of the rotating shaft located in the second cavity. The balance block and the probe are on the same axis. A plurality of thin films for generating charges are uniformly provided on the peripheral side wall of the second cavity.

[0013] When the aforementioned rotating shaft rotates, the end of the aforementioned probe and the surface of the aforementioned thin film generate friction and generate charge;

[0014] The second cavity is equipped with a second circuit board for measuring wind direction. The thin film is electrically connected to the second circuit board, and the second circuit board is electrically connected to the energy storage device.

[0015] Preferably, there are eight such films.

[0016] Preferably, a mounting hole is provided at the central axis of the mounting plate, a first bearing is installed in the mounting hole, and the upper end of the main shaft is connected to the first bearing.

[0017] Preferably, a cover plate is removable at the aforementioned mounting hole.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0019] 1. By actuating the piezoelectric plate, the piezoelectric plate is bent and vibrated, generating electricity to store in the energy storage device, which then powers the first and second circuit boards, achieving self-powered operation within the device without the need for an external power source.

[0020] 2. The actuating plate and piezoelectric plate are installed in the first cavity and are not affected by external wind force. The actuating plate acts on the piezoelectric plate only by the driving force of the main shaft driven by the wind, so the wind speed measurement results are more accurate. Attached Figure Description

[0021] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0022] Figure 1 This is a front sectional view of the device in an embodiment of the present invention;

[0023] Figure 2 Examples of embodiments of the present invention Figure 1 Sectional view of AA;

[0024] Figure 3 Examples of embodiments of the present invention Figure 1 BB section view;

[0025] Figure 4 Examples of embodiments of the present invention Figure 1 CC section view.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Mounting plate; 2. Base; 21. First cavity; 3. Column; 4. Main shaft; 5. Blade; 6. Actuating plate; 7. Fixing plate; 8. Piezoelectric plate; 9. First circuit board; 10. Wind vane; 11. Rotating shaft; 12. Top cover; 13. Second cavity; 14. Balance block; 15. Probe; 16. Thin film; 17. Second circuit board; 18. Mounting hole; 19. Cover plate; 20. Energy storage device. Detailed Implementation

[0028] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] like Figure 1-4 As shown, this embodiment of the invention provides a wind speed and direction measuring device, including an installation component, a wind speed measuring component, a wind direction measuring component, and an energy storage device 20, wherein the wind speed measuring component is used to measure wind speed, the wind direction measuring component is used to measure wind direction, and the energy storage device 20 is used to supply power to the wind speed measuring component and the wind direction measuring component.

[0032] Specifically, the mounting components include a mounting plate 1 and a base 2. The base 2 is located below the mounting plate 1, and multiple columns 3 connect the base 2 and the mounting plate 1.

[0033] The wind speed measuring assembly includes a main shaft 4, wherein the base 2 has a first cavity 21. The upper end of the main shaft 4 is rotatably mounted on the mounting plate 1, and the lower end of the main shaft 4 passes downward through the upper side wall of the base 2 and is located in the first cavity 21. Its lower end is rotatably mounted on the bottom side wall of the first cavity 21. Multiple blades 5 are installed on the outer peripheral side wall of the main shaft 4 between the mounting plate 1 and the upper side wall of the base 2. Multiple actuating plates 6 are installed on the outer side wall of the main shaft 4 in the first cavity 21. Correspondingly, multiple fixing plates 7 are evenly installed on the peripheral side wall of the first cavity 21. Piezoelectric plates 8 are installed on the fixing plates 7. The first cavity 21 is a cylindrical cavity. The piezoelectric plates 8 are arranged radially in the first cavity 21. Moreover, the hardness of the actuating plates 6 is much greater than that of the piezoelectric plates 8. The free end of the actuating plate 6 and the free end of the piezoelectric plate 8 partially overlap when in contact. Therefore, when the main shaft 4 rotates, the free end of the actuating plate 6 will collide with the free end of the piezoelectric plate 8, causing the piezoelectric plate 8 to bend and vibrate. Furthermore, a first circuit board 9 is installed inside the first cavity 21, and an energy storage device 20 is installed on the base 2. The first circuit board 9 is electrically connected to a portion of the piezoelectric sheets 8 for measuring wind speed based on the voltage output of the piezoelectric sheets 8. This is existing technology, and the first circuit board 9 can be manufactured using existing technology; its specific structure will not be described in detail. The energy storage device 20 is electrically connected to the remaining portion of the piezoelectric sheets 8 for storing the electricity generated by the piezoelectric sheets 8. The energy storage device 20 is also electrically connected to the first circuit board 9 for providing electrical power to the first circuit board 9. Specifically, there are 3 actuating plates 6 and 6 piezoelectric sheets 8. The 3 piezoelectric sheets 8 are connected to the energy storage device 20 for generating electricity, and the 3 piezoelectric sheets 8 are connected to the first circuit board 9 for measuring wind speed. The energy storage device 20 (not shown in the figure) is a battery installed inside the first cavity 21. The base 2 includes an upper cover 12 and a lower base 2, which are detachably connected. Specifically, the upper cover 12 and the lower base 2 can be connected by screws or other means to facilitate the inspection and installation of the internal components of the first cavity 21.

[0034] Wind blows the blade 5, which in turn drives the main shaft 4 to rotate. The rotation of the main shaft 4, in turn, drives the actuating plate 6 to rotate. During this rotation, the actuating plate 6 actuates the piezoelectric plate 8, causing it to bend and vibrate. Due to the piezoelectric effect, some of the piezoelectric plates 8 connected to the energy storage device 20 charge the device, eliminating the need for external power supply and saving energy. The energy storage device 20 then supplies power to the first circuit board 9, enabling it to operate. The remaining piezoelectric plates 8 connected to the first circuit board 9, due to the piezoelectric effect, generate charge that, after passing through the first circuit board 9, is converted into electrical energy. The specific wind speed is then transmitted through the transmitting module of the first circuit board 9. The actuating plate 6 and the piezoelectric plate 8 are located in the first cavity 21. They can only be driven by the wind to the blade 5, and then the force is transmitted through the main shaft 4. Under the action of the actuating plate 6, the piezoelectric plate 8 bends and vibrates. Compared with setting them on the outside of the base 2, the measurement results are more accurate. This is because if the actuating plate 6 and the piezoelectric plate 8 are set on the outside of the base 2, they will not only be driven by the main shaft 4, but also affected by the wind force, making the bending degree and vibration frequency of the piezoelectric plate 8 inaccurate, and thus the wind speed output by the first circuit board 9 will also be inaccurate.

[0035] Preferably, the blade 5 has an arc-shaped structure, which can withstand wind force to a greater extent, and the rotational speed of the main shaft 4 after conversion is more accurate.

[0036] Specifically, the wind direction measurement component includes a wind vane 10 and a top cover 12. The top cover 12 is detachably mounted on the upper surface of the mounting plate 1 and can be connected to the upper surface of the mounting plate 1 by screws. A second cavity 13 is formed between the top cover 12 and the upper surface of the mounting plate 1. The wind vane 10 has an existing structure and is rotatably mounted above the top cover 12. That is, a rotating shaft 11 is connected to the middle of the wind vane 10. The lower end of the rotating shaft 11 passes downward through the upper side wall of the top cover 12 and is located in the second cavity 13. The rotating shaft 11 is rotatably connected to the upper side wall of the top cover 12 by bearings. A balance block 14 and a probe 15 are connected to the outer wall of the rotating shaft 11 located inside the second cavity 13. The balance block 14 and the probe 15 are on the same axis, and multiple thin films 16 for generating charges are evenly arranged on the periphery of the second cavity 13. Specifically, there are eight thin films 16, representing the eight directions: north, northeast, east, southeast, south, southwest, west, and northwest. When the wind vane 10 rotates, the rotating shaft 11 also rotates. The rotation of the rotating shaft 11 drives the probe 15 to rotate. When the probe 15 rotates, the end of the probe 15 and the thin film 16... Friction will occur on the surface, and according to the principle of triboelectric nanogenerator, charges will be generated on the thin film 16, forming a voltage signal. Then, a second circuit board 17 is installed in the second cavity 13. The second circuit board 17 can convert the measured voltage signal into the corresponding wind direction. Specifically, when the wind vane 10 measures the wind direction, it first rotates and stops when it is aligned with the wind direction. During this process, the probe 15 rotates circumferentially and rubs against multiple thin films 16, generating voltage. Before the probe 15 finally stops, it will rub against the last thin film 16 and generate a voltage signal. At this time, the second circuit board 17 only needs to monitor which thin film 16 last generated the voltage signal. Moreover, the second circuit board 17 can number the eight thin films 16, clearly identifying which thin film 16 last generated the voltage signal, and thus transmitting the corresponding direction through the transmitting module. There is no need to observe it closely with the naked eye; the specific wind direction can be determined directly through the observation feedback, making it convenient to use. Specifically, the thin film 16 can be a PTFE thin film 16, and the probe 15 can be an aluminum probe 15.

[0037] Preferably, a mounting hole 18 is provided at the central axis of the mounting plate 1. In order to make the main shaft 4 rotate more smoothly and the installation more stable, a first bearing is installed in the mounting hole 18. The upper end of the main shaft 4 is connected to the first bearing, and a second bearing is sleeved on the lower end of the shaft and installed on the bottom side wall of the first cavity 21. In order to prevent debris from falling into the mounting hole 18, a cover plate 19 is detachable at the mounting hole 18 and is connected by screws.

[0038] The above embodiments are merely preferred embodiments of the present invention and should not be construed as limiting the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A wind speed and direction measuring device, characterized in that, Includes installation components, wind speed measurement components, wind direction measurement components, and energy storage devices; The mounting assembly includes a mounting plate and a base located below the mounting plate. Multiple columns are connected between the upper surfaces of the mounting plate and the base. The wind direction measuring component is located on the mounting plate. The wind speed measuring assembly includes a main shaft, a base having a first cavity, an upper end of the main shaft rotatably mounted on a mounting plate, and a lower end of the main shaft passing downward through the upper sidewall of the base and rotatably mounted on the bottom sidewall of the first cavity. Multiple blades are mounted on the sidewall of the main shaft between the mounting plate and the base. Multiple actuating plates are disposed on the outer sidewall of the main shaft within the first cavity. Multiple fixing plates are evenly mounted on the peripheral sidewall of the first cavity, and piezoelectric plates are mounted on the fixing plates. The piezoelectric plates are radially arranged, and the free ends of the actuating plates partially overlap with the free ends of the piezoelectric plates when in contact. When the main shaft rotates, the actuating plates cause the piezoelectric plates to bend and vibrate. A first circuit board for measuring wind speed is also installed within the first cavity. The first circuit board is electrically connected to a portion of the piezoelectric plates. Due to the piezoelectric effect, the charge generated by the piezoelectric plates is transmitted through the first circuit board to obtain the specific wind speed. The energy storage device is mounted on the base, and is electrically connected to another part of the piezoelectric sheet. The energy storage device is also electrically connected to the first circuit board and the wind speed measuring component. The wind direction measuring component includes a wind vane and a top cover. The top cover is detachably mounted on the upper surface of the mounting plate. The wind vane is located above the top cover and has a rotating shaft connected to its center. The rotating shaft is rotatably mounted on the top cover. A second cavity is provided between the upper cover and the upper surface of the mounting plate. The lower end of the rotating shaft passes downward through the upper side wall of the upper cover and is located in the second cavity. A balance block and a probe are connected to the upper outer side wall of the rotating shaft located in the second cavity. The balance block and the probe are on the same axis. A plurality of thin films for generating charges are uniformly arranged on the peripheral side wall of the second cavity. When the rotating shaft rotates, the end of the probe and the surface of the thin film generate friction and generate an electric charge. The second cavity is equipped with a second circuit board for measuring wind direction, the thin film is electrically connected to the second circuit board, and the second circuit board is electrically connected to the energy storage device; Before the probe stops, the probe rubs against the last thin film to generate a last voltage signal. The second circuit board obtains the wind direction by monitoring and identifying the thin film corresponding to the last voltage signal generated.

2. The wind speed and direction measuring device according to claim 1, characterized in that, The blade has an arc-shaped structure.

3. The wind speed and direction measuring device according to claim 1, characterized in that, There are 8 films.

4. The wind speed and direction measuring device according to claim 1, characterized in that, The mounting plate has a mounting hole at its central axis, and a first bearing is installed in the mounting hole. The upper end of the main shaft is connected to the first bearing.

5. The wind speed and direction measuring device according to claim 4, characterized in that, A cover plate can be removed from the mounting hole.

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