A wind cup type wind speed and direction monitoring device and wind speed and direction monitoring method thereof
By designing a wind cup-type wind speed and direction monitoring device, using nanomodules and conductive elements to sense charge changes, the problems of large volume and large error of wind speed and direction sensing devices in the prior art are solved, and accurate wind speed and direction detection is achieved.
Patent Information
- Application Number
- CN202410861100.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2044-06-28
AI Technical Summary
The existing wind speed and direction sensing devices are large in size and have large wind direction monitoring errors.
A wind cup-type wind speed and direction monitoring device is designed, using a non-contact friction nanomodule and a contact separation friction nanomodule. The rotation of the wind cup drives the shell to rotate, and the charge changes are induced by conductive elements to generate and detect wind speed. and wind direction signal data.
The device does not require additional weather vanes, which can accurately detect wind speed and wind direction, reduce the device volume and improve the accuracy of the detection results.
Smart Images

Figure CN118858682B_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of sensor technology, and in particular to a cup-type wind speed and direction monitoring device and a wind speed and direction monitoring method thereof. Background Art
[0002] With the rapid development of Internet of Things technology, the application of sensor devices is increasing. Among them, wind speed and direction sensors have important uses in all walks of life and have a wide range of applications.
[0003] Existing wind speed and direction sensing devices need to use wind cups to monitor wind speed and wind vanes to monitor wind direction. They are large in size and have a significant impact on the flow field distribution near the sensor during wind speed measurement, resulting in large wind direction monitoring errors. Summary of the invention
[0004] The embodiment of the present application provides a cup-type wind speed and direction monitoring device and a wind speed and direction monitoring method thereof, which are used to solve the technical problems of existing wind speed and direction sensor devices having large volume and large errors in monitoring results.
[0005] In order to achieve the above objectives, the embodiments of the present application provide the following technical solutions:
[0006] On the one hand, a wind cup type wind speed and direction monitoring device is provided, comprising a non-contact friction nano module, a mounting shaft, a shell movably sleeved on the mounting shaft and a plurality of wind cups mounted on the shell, each of the wind cups being provided with a contact-separation friction nano module, the non-contact friction nano module comprising a first conductive element and a second conductive element, the first conductive element being mounted on the inner wall surface of the shell corresponding to the wind cup, a plurality of the second conductive elements for sensing the charge of the first conductive element and detecting the wind direction being mounted on the mounting shaft, the contact-separation friction nano module being connected to the first conductive element via a wire; external wind force drives each of the wind cups to rotate and drives the shell to rotate around the mounting shaft, the contact-separation friction nano module generates positive charge by friction, increases or decreases the positive charge of the first conductive element, and correspondingly increases or decreases the negative charge of the second conductive element corresponding to the first conductive element, thereby obtaining first signal data for detecting wind speed and second signal data for detecting wind direction.
[0007] Preferably, the contact-separation friction nanomodule includes a thin film element and a third conductive element installed in the wind cup, and the third conductive element is connected to the first conductive element through the wire; an external force drives the thin film element to move toward the third conductive element until it contacts the third conductive element; without external force driving, the thin film element and the third conductive element are in a separated state.
[0008] Preferably, the film element is a FEP film, a nylon film or a graphite film; and / or the third conductive element is a conductive metal foil.
[0009] Preferably, the conductive metal foil is aluminum foil or copper foil.
[0010] Preferably, a connector for accommodating the wire is provided between the shell and each of the wind cups, and a connecting hole for accommodating the wire is provided in the corresponding wind cup.
[0011] Preferably, the first conductive element and the second conductive element are both conductive sheets, and the conductive sheets are copper sheets, iron sheets or aluminum sheets.
[0012] Preferably, a second conductive element is installed on each of eight directions of the outer wall surface of the installation shaft.
[0013] In another aspect, a cup-type wind speed and direction monitoring method is provided, which is applied to the cup-type wind speed and direction monitoring device described above, and the wind speed and direction monitoring method comprises the following steps:
[0014] Label each second conductive element on the mounting shaft, and obtain first signal data output by each contact-separation friction nanomodule and second signal data output by each second conductive element in the cup-type wind speed and direction monitoring device;
[0015] Analyze the first signal data and the second signal data to obtain corresponding signal interval averages and strongest signals;
[0016] The detected wind speed is obtained by calculating the mean value of the signal intervals; a number is determined according to the strongest signal, and the wind direction indicated by the corresponding second conductive element is determined according to the number as the detected wind direction.
[0017] Preferably, the first signal data includes at least two groups of adjacent periodic signals, and the periodic signals are composed of electrical signals output by all the contact-separation friction nanomodules when the shell rotates one circle. The content of analyzing the first signal data to obtain the corresponding signal interval mean includes: calculating the periodic signals of two adjacent groups of the same contact-separation friction nanomodule to obtain the interval time; calculating all the interval times to obtain the signal interval mean.
[0018] Preferably, calculating the detected wind speed according to the signal interval mean value includes: calculating the signal frequency according to the signal interval mean value; obtaining the wind speed correction coefficient, and calculating the detected wind speed according to the signal frequency and the wind speed correction coefficient.
[0019] The wind cup type wind speed and direction monitoring device and the wind speed and direction monitoring method thereof, the wind cup type wind speed and direction monitoring device, comprises a non-contact friction nano module, a mounting shaft, a shell movably sleeved on the mounting shaft and a plurality of wind cups mounted on the shell, each wind cup is provided with a contact separation friction nano module, the non-contact friction nano module comprises a first conductive element and a second conductive element, the first conductive element is mounted on the inner wall surface of the shell corresponding to the wind cup, a plurality of second conductive elements for sensing the charge of the first conductive element and for detecting the wind direction are mounted on the mounting shaft, and the contact separation friction nano module is connected to the first conductive element through a wire.
[0020] It can be seen from the above technical scheme that the present application has the following advantages: the cup-type wind speed and direction monitoring device determines the wind direction in the detection environment through the electrical signal orientation generated by the second conductive element, and determines the wind speed in the detection environment through the first signal data analysis generated by the contact-separation friction nanomodule, thereby improving the accuracy of the detection result; the cup-type wind speed and direction monitoring device can detect the wind direction without the additional installation of a wind vane, which greatly reduces the size of the device and solves the technical problems of the existing wind speed and direction sensor devices having large size and large errors in monitoring results. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the cup-type wind speed and direction monitoring device according to the embodiment of the present application;
[0023] Figure 2 It is a schematic cross-sectional structure diagram of the installation shaft in the cup-type wind speed and direction monitoring device described in the embodiment of the present application;
[0024] Figure 3 It is a schematic cross-sectional structural diagram of a wind cup in a wind cup type wind speed and direction monitoring device according to an embodiment of the present application;
[0025] Figure 4 A schematic diagram of charge movement in a cup-type wind speed and direction monitoring device according to an embodiment of the present application;
[0026] Figure 5 This is a flow chart of the steps of the cup-type wind speed and direction monitoring method described in an embodiment of the present application. DETAILED DESCRIPTION
[0027] In order to make the purpose, features, and advantages of the invention of this application more obvious and easy to understand, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the embodiments described below are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0028] In the description of the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0029] In the embodiments of the present application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0030] The embodiment of the present application provides a cup-type wind speed and direction monitoring device and a wind speed and direction monitoring method thereof, which solves the technical problems of the existing wind speed and direction sensor devices having large volume and large monitoring result errors. The cup-type wind speed and direction monitoring device and the wind speed and direction monitoring method thereof can also be applied to wind power generation.
[0031] Embodiment 1:
[0032] Figure 1 Schematic diagram of the three-dimensional structure of the cup-type wind speed and direction monitoring device according to the embodiment of the present application, Figure 2 This is a schematic cross-sectional structure diagram of the installation shaft in the cup-type wind speed and direction monitoring device described in an embodiment of the present application.
[0033] like Figure 1 and Figure 2As shown, the embodiment of the present application provides a cup-type wind speed and direction monitoring device, including a non-contact friction nano module, a mounting shaft 10, a shell 20 movably sleeved on the mounting shaft 10, and a plurality of cups 30 mounted on the shell 20, each cup 30 is provided with a contact-separation friction nano module 31, the non-contact friction nano module includes a first conductive element 41 and a second conductive element 42, the first conductive element 41 is mounted on the inner wall surface of the shell 20 corresponding to the cup 30, and the mounting shaft 10 is provided with a plurality of second conductive elements 42 for sensing the charge of the first conductive element 41 and detecting the wind direction, the contact-separation friction nano module 31 is connected to the first conductive element 41 through a wire 50; external wind force drives each cup 30 to rotate and drives the shell 20 to rotate around the mounting shaft 10, the contact-separation friction nano module 31 generates positive charge by friction, increases or decreases the positive charge of the first conductive element 41, and correspondingly increases or decreases the negative charge of the second conductive element 42 corresponding to the first conductive element 41, thereby obtaining first signal data for detecting wind speed and second signal data for detecting wind direction.
[0034] It should be noted that if Figure 1 As shown, four wind cups 30 are mounted on the housing 20. Figure 2 As shown, a second conductive element 42 is installed in eight directions of the outer wall of the installation shaft 10, and each second conductive element 42 represents a direction, and the eight directions are eight different directions of north, northeast, east, southeast, south, southwest, west, and northwest. Both the first conductive element 41 and the second conductive element 42 can be conductive sheets, and the conductive sheets can be selected as copper sheets, or iron sheets or aluminum sheets. The inner wall surface of the wind cup 30 is an arc-shaped cup-shaped structure. In this embodiment, the wind cup type wind speed and direction monitoring device consists of four wind cups 30, a contact-separation friction nano module 31 is installed on the concave surface of each wind cup 30, four first conductive elements 41 corresponding to the four wind cups 30 are installed on the inner wall surface of the shell 20, and second conductive elements 42 are installed in eight directions of the outer wall surface of the installation shaft 10.
[0035] Figure 3 This is a schematic cross-sectional structural diagram of a wind cup in a wind cup type wind speed and direction monitoring device described in an embodiment of the present application.
[0036] like Figure 3 As shown, in the embodiment of the present application, the contact-separation friction nano module 31 is connected to the first conductive element 41 through a wire 50, and eight second conductive elements 42 are attached to the outer wall surface of the mounting shaft 10, corresponding to eight different wind directions respectively.
[0037] like Figure 2As shown, in the embodiment of the present application, the second conductive element 42 can be a copper sheet fixedly attached to the mounting shaft 10, and each copper sheet represents a different wind direction. For example, if the copper sheet above the mounting shaft 10 generates an electrical signal, the wind direction is from west to east; if the copper sheet on the left side of the mounting shaft 10 generates an electrical signal, the wind direction is from south to north. Since the wind cup 30 is driven to rotate by external wind force, when the wind cup 30 turns to the wind direction, the external force (such as wind) will blow the contact-separation friction nano module 31 in the wind cup 30, so that the thin film element 32 in the contact-separation friction nano module 31 and the third conductive element 33 contact and separate to generate an electrical signal. When facing the wind, the second conductive element 42 in the corresponding direction generates the strongest electrical signal.
[0038] It should be noted that, in order to improve the accuracy of the wind direction, more second conductive elements 42 may be installed on the installation shaft 10 .
[0039] In an embodiment of the present application, the cup-type wind speed and direction monitoring device determines the wind direction in the detection environment through the direction of the electrical signal generated by the second conductive element, and determines the wind speed in the detection environment through data analysis of the first signal generated by the contact-separation friction nanomodule, so that the cup-type wind speed and direction monitoring device can detect the wind direction without the need to install an additional wind vane, thereby greatly reducing the size of the device; at the same time, wind energy can also be collected to achieve self-power supply of the device.
[0040] In the embodiment of the present application, the cup-type wind speed and direction monitoring device integrates wind speed and wind direction monitoring through the mutual cooperation of the wind cup, the non-contact friction nanomodule and the contact-separation friction nanomodule. The detection result of the cup-type wind speed and direction monitoring device is accurate; it does not require a wind vane, and its structure is simpler and more compact than that of a traditional wind speed and direction detection device, and its cost is low.
[0041] The present application provides a cup-type wind speed and direction monitoring device, comprising a non-contact friction nanometer module, a mounting shaft, a shell movably sleeved on the mounting shaft, and a plurality of cups mounted on the shell, each cup being provided with a contact-separation friction nanometer module, the non-contact friction nanometer module comprising a first conductive element and a second conductive element, the first conductive element being mounted on the inner wall surface of the shell corresponding to the cup, the mounting shaft being provided with a plurality of second conductive elements for sensing the charge of the first conductive element and for detecting the wind direction, the contact-separation friction nanometer module being connected to the first conductive element through a wire. The cup-type wind speed and direction monitoring device determines the wind direction in the detection environment by the direction of the electrical signal generated by the second conductive element, determines the wind speed in the detection environment by analyzing the first signal data generated by the contact-separation friction nanometer module, and improves the accuracy of the detection result; the cup-type wind speed and direction monitoring device can detect the wind direction without the need for an additional wind vane, which greatly reduces the volume of the device, and solves the technical problems of the existing wind speed and direction sensor device having a large volume and a large error in the monitoring result.
[0042] like Figure 3 As shown, in one embodiment of the present application, the contact-separation friction nanomodule 31 includes a thin film element 32 and a third conductive element 33 installed in the wind cup 30, and the third conductive element 33 is connected to the first conductive element 41 through a wire 50; an external force drives the thin film element 32 to move toward the third conductive element 33 until it contacts the third conductive element 33; without external force driving, the thin film element 32 and the third conductive element 33 are in a separated state.
[0043] It should be noted that the film element 32 can be selected as FEP film, nylon film or graphite film; and / or the third conductive element 33 can be selected as conductive metal foil, which can be aluminum foil or copper foil. Figure 3 As shown, in this embodiment, the outer shell of the wind cup 30 is not much different from that of a conventional wind cup, and a contact-separation friction nano module 31 is attached to the concave surface inside the wind cup 30. The working principle of the contact-separation friction nano module 31 is: when the wind cup 30 faces the wind, the film element 32 will approach the third conductive element 33 until it contacts; when the wind cup 30 turns away from the windward surface, the film element 32 and the third conductive element 33 change from being in contact to being in a separated state. When each wind cup 30 rotates one circle, the film element 32 at the concave surface inside the wind cup 30 and the third conductive element 33 complete a contact and separation process.
[0044] like Figure 1 and Figure 3 As shown, in one embodiment of the present application, a connector 60 for accommodating a wire 50 is disposed between the housing 20 and each wind cup 30 , and a connecting hole 34 for accommodating the wire 50 is opened in the corresponding wind cup 30 .
[0045] It should be noted that the connection member 60 and the connection hole 34 are provided for two purposes: firstly, to place the wire 50 ; and secondly, to fix the wire 50 to prevent the wire 50 from being damaged during the rotation of the wind cup 30 .
[0046] Figure 4 Schematic diagram of charge movement in the cup-type wind speed and direction monitoring device described in an embodiment of the present application.
[0047] like Figure 4 As shown, in the embodiment of the present application, the working principle of the wind cup type wind speed and direction monitoring device is as follows: when there is wind outside, the thin film element 32 in the contact separation friction nano module 31 in the wind cup 30 at the windward position gradually approaches the third conductive element 33. Because the thin film element 32 and the third conductive element 33 are made of two materials, the friction polarity of the thin film element 32 and the third conductive element 33 is different. Among them, the thin film element 32 is easy to gain electrons and has negative charge; the third conductive element 33 is easy to lose electrons and has positive charge. When the thin film element 32 and the third conductive element 33 are close to each other, due to the electrostatic induction effect, positive charge is induced on the third conductive element 33. Since the third conductive element 33 and the first conductive element 41 are connected by a wire 50, the positive charge of the first conductive element 41 also increases accordingly. At this time, in the non-contact friction nano module, due to electrostatic induction, the corresponding second conductive element 42 will induce negative charge and generate an electrical signal. When the thin film element 32 contacts the third conductive element 33, due to the negative charge of the thin film element 32, the third conductive element 33 in contact therewith will generate a large amount of positive charge under the frictional electrification effect, so the positive charge of the first conductive element 41 connected to the third conductive element 33 reaches the maximum value. In order to maintain the charge balance, the number of negative charges of the second conductive element 42 corresponding to the first conductive element 41 also reaches the maximum value at this time, generating an electrical signal. When the wind cup 30 rotates away from the windward surface, the third conductive element 33 separates from the thin film element 32, the positive charge sensed by the third conductive element 33 decreases, the positive charge on the first conductive element 41 also decreases, and the corresponding second conductive element 42 senses more positive charge, generating an electrical signal.
[0048] It should be noted that eight second conductive elements 42 are evenly attached to the surface of the mounting shaft 10, corresponding to eight directions respectively. When there is wind, the second conductive element 42 in the wind direction will generate an electrical signal, and the wind direction is determined according to the position of the electrical signal. Each wind cup 30 of the wind cup type wind speed and direction monitoring device is installed with a contact separation friction nano module 31. When all wind cups 30 rotate one circle, electrical signals of the same number as the number of wind cups 30 will be generated. The time interval between two adjacent electrical signals generated by the same wind cup 30 is calculated, and then the frequency of change of the electrical signal is calculated according to the average value of the time interval of all wind cups 30. The current wind speed can be monitored by the frequency of change of the electrical signal. The slower the frequency of the electrical signal changes, the smaller the wind speed monitored; the faster the frequency of the electrical signal changes, the greater the wind speed monitored. In this embodiment, when there is wind, only one second conductive element 42 (such as a copper sheet) has the strongest electrical signal, and the wind speed and wind direction are also determined by this second conductive element 42. Since the wind cup type wind speed and direction monitoring device is composed of four wind cups 30, four electrical signals will be triggered when it rotates one circle. The time interval refers to the time difference between the last time the same wind cup generates an electrical signal and the next time it generates an electrical signal. The shorter the interval, the faster the frequency. When the wind speed is faster, the frequency is also faster.
[0049] Embodiment 2:
[0050] Figure 5 This is a flow chart of the steps of the cup-type wind speed and direction monitoring method described in an embodiment of the present application.
[0051] like Figure 5 As shown, the embodiment of the present application provides a cup-type wind speed and direction monitoring method, which is applied to the cup-type wind speed and direction monitoring device mentioned above. The wind speed and direction monitoring method includes the following steps:
[0052] S1. Label each second conductive element on the mounting shaft, and obtain the first signal data output by each contact-separation friction nanomodule and the second signal data output by each second conductive element in the cup-type wind speed and direction monitoring device;
[0053] S2. Analyze the first signal data and the second signal data to obtain the corresponding signal interval mean and the strongest signal;
[0054] S3. Calculate the detected wind speed based on the signal interval mean value; determine the label based on the strongest signal, and determine the wind direction indicated by the corresponding second conductive element as the detected wind direction based on the label.
[0055] It should be noted that the contents of the wind cup type wind speed and direction monitoring device have been described in Example 1, and the contents of the wind cup type wind speed and direction monitoring device will not be repeated in this embodiment. The contents of step S1 in the wind cup type wind speed and direction monitoring method can refer to the contents of the working principle of the wind cup type wind speed and direction monitoring device in Example 1. Among them, the number represents a wind direction, and according to the number, it can be determined which wind direction the second conductive element sends the strongest electrical signal, thereby determining the wind direction.
[0056] In an embodiment of the present application, the first signal data includes at least two groups of adjacent periodic signals, and the periodic signals are composed of electrical signals output by all contact-separation friction nanomodules when the shell rotates one circle. The first signal data is analyzed to obtain the corresponding signal interval mean, including: calculating the periodic signals of two adjacent groups of the same contact-separation friction nanomodule to obtain the interval time; calculating all the interval times to obtain the signal interval mean.
[0057] In an embodiment of the present application, calculating the detected wind speed based on the signal interval mean includes: calculating the signal frequency based on the signal interval mean; obtaining the wind speed correction coefficient, and calculating the detected wind speed based on the signal frequency and the wind speed correction coefficient.
[0058] It should be noted that the reciprocal of the signal interval mean is used as the signal frequency. The wind speed correction coefficient can be set according to requirements. The product of the signal frequency and the wind speed correction coefficient is used as the detected wind speed.
[0059] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.
[0060] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.
[0061] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
[0062] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.
[0063] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application can be essentially or partly embodied in the form of a software product that contributes to the prior art, or all or part of the technical solution. The computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present application. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.
[0064] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A cup-type wind speed and direction monitoring device, characterized in that: It includes a non-contact friction nano module, a mounting shaft, a shell movably sleeved on the mounting shaft and several wind cups mounted on the shell, each of the wind cups is provided with a contact-separation friction nano module, the non-contact friction nano module includes a first conductive element and a second conductive element, the first conductive element is installed on the inner wall surface of the shell corresponding to the wind cup, several second conductive elements for sensing the charge of the first conductive element and detecting the wind direction are installed on the mounting shaft, the contact-separation friction nano module is connected to the first conductive element through a wire; external wind force drives each of the wind cups to rotate and drives the shell to rotate around the mounting shaft, the contact-separation friction nano module generates positive charge by friction, increases or decreases the positive charge of the first conductive element, and correspondingly increases or decreases the negative charge of the second conductive element corresponding to the first conductive element, thereby obtaining first signal data for detecting wind speed and second signal data for detecting wind direction.
2. The cup-type wind speed and direction monitoring device according to claim 1, characterized in that: The contact-separation friction nanomodule includes a thin film element and a third conductive element installed in the wind cup, and the third conductive element is connected to the first conductive element through the wire; an external force drives the thin film element to move toward the third conductive element until it contacts the third conductive element; without external force driving, the thin film element and the third conductive element are in a separated state.
3. The cup-type wind speed and direction monitoring device according to claim 2, characterized in that: The film element is a FEP film, a nylon film or a graphite film; and / or the third conductive element is a conductive metal foil.
4. The cup-type wind speed and direction monitoring device according to claim 3 is characterized in that: The conductive metal foil is aluminum foil or copper foil.
5. The cup-type wind speed and direction monitoring device according to claim 1, characterized in that: A connector for accommodating the wire is disposed between the shell and each of the wind cups, and a connecting hole for accommodating the wire is opened in the corresponding wind cup.
6. The cup-type wind speed and direction monitoring device according to claim 1, characterized in that: The first conductive element and the second conductive element are both conductive sheets, and the conductive sheets are copper sheets, iron sheets or aluminum sheets.
7. The cup-type wind speed and direction monitoring device according to claim 1, characterized in that: A second conductive element is installed in each of eight directions of the outer wall surface of the installation shaft.
8. A cup wind speed and direction monitoring method, characterized in that: Applied to the cup-type wind speed and direction monitoring device as claimed in any one of claims 1 to 7, the wind speed and direction monitoring method comprises the following steps: Label each second conductive element on the mounting shaft, and obtain first signal data output by each contact-separation friction nanomodule and second signal data output by each second conductive element in the cup-type wind speed and direction monitoring device; Analyze the first signal data and the second signal data to obtain corresponding signal interval averages and strongest signals; The detected wind speed is obtained by calculating the mean value of the signal intervals; a number is determined according to the strongest signal, and the wind direction indicated by the corresponding second conductive element is determined according to the number as the detected wind direction.
9. The cup-type wind speed and direction monitoring method according to claim 8, characterized in that: The first signal data includes at least two groups of adjacent periodic signals, and the periodic signals are composed of electrical signals output by all the contact-separation friction nanomodules when the shell rotates one circle. The content of analyzing the first signal data to obtain the corresponding signal interval mean includes: calculating the periodic signals of two adjacent groups of the same contact-separation friction nanomodule to obtain the interval time; calculating all the interval times to obtain the signal interval mean.
10. The cup-type wind speed and direction monitoring method according to claim 8, characterized in that: Calculating the detected wind speed according to the signal interval mean value includes: calculating according to the signal interval mean value to obtain the signal frequency; obtaining the wind speed correction coefficient, and calculating according to the signal frequency and the wind speed correction coefficient to obtain the detected wind speed.
Citation Information
Patent Citations
Charge induction wind speed detection method based on wavelet analysis
CN110794165A
Self-powered wireless communication device
CN110971139A