Detection device, weather station and detection method

Abstract

The embodiment of the invention relates to a detection device, a meteorological station and a detection method. The detection device comprises a collection module used for controlling collected liquid to drop from a first preset position to a second preset position; the electric energy conversion module is located below the collection module and used for converting kinetic energy of the liquid dripping from the first preset position to the second preset position into electric energy; the control module is connected with the electric energy conversion module and used for obtaining the falling amount corresponding to the liquid according to the electric energy and a preset curve; the preset curve represents the change of the electric energy along with the drop amount. Automatic measurement of the falling amount of the liquid is achieved, errors caused by manual reading of the falling amount are avoided, and the accuracy of falling amount measurement is improved.

Description

TECHNICAL FIELD

[0001] Embodiments of the present application relate to the technical field of new energy power generation, in particular to a detection device, a weather station and a detection method. BACKGROUND

[0002] Rainfall monitoring is mostly mechanical rain gauge, which needs manual reading and has single function. For the area with large rainfall, random and uneven rainfall, there is a certain deviation between the rainfall data of the local position of the area given by the manual reading and the actual rainfall of the local position. How to accurately measure the rainfall of each area becomes a problem to be solved. SUMMARY

[0003] Embodiments of the present application provide a detection device, a weather station and a detection method, which can optimize the measurement of rainfall and achieve the purpose of accurately measuring the rainfall of each area.

[0004] A detection device comprises:

[0005] A collection module is configured to control the liquid collected to drop from a first preset position to a second preset position.

[0006] An electric energy conversion module is located below the collection module and is configured to convert the kinetic energy of the liquid dropping from the first preset position to the second preset position into electric energy.

[0007] A control module is connected to the electric energy conversion module and is configured to obtain the falling amount of the liquid according to the electric energy and a preset curve, wherein the preset curve represents the change of electric energy with the falling amount.

[0008] In one embodiment, the detection device further comprises:

[0009] A sampling module is connected to the electric energy conversion module and the control module, respectively, and is configured to generate a sampling signal according to the electric energy, wherein the sampling signal comprises a sampling voltage or a sampling current.

[0010] The control module is configured to obtain the falling amount according to the sampling signal and the preset curve.

[0011] In one embodiment, the detection device further comprises:

[0012] A reset module is configured to reset the sampling module when a reset control signal is received.

[0013] In one embodiment, the detection device further comprises:

[0014] An energy storage module is connected with the power conversion module, and is configured to generate a power supply signal according to the electric energy; the energy storage module is further configured to provide the power supply signal to the control module.

[0015] In one of the embodiments, the detection device comprises a plurality of collection modules and a plurality of power conversion modules, the plurality of collection modules and the plurality of power conversion modules are arranged in one-to-one correspondence; any of the power conversion modules is connected with one of the sampling module and the energy storage module.

[0016] In one of the embodiments, the detection device further comprises:

[0017] A solar cell is connected with the energy storage module, and is configured to provide a battery electric quantity to the energy storage module.

[0018] The energy storage module is further configured to generate the power supply signal according to the battery electric quantity.

[0019] In one of the embodiments, the energy storage module comprises an energy storage capacitor, the sampling module comprises a sampling capacitor, the capacity of the sampling capacitor is less than the capacity of the energy storage capacitor; and the control module comprises a control chip.

[0020] In one of the embodiments, the collection module comprises:

[0021] A collection funnel has an opening with a first preset area and a bottom with a second preset area, the opening is configured to collect liquid, and the bottom is configured to control the liquid to drop from the first preset position to the second preset position with a preset volume;

[0022] The liquid comprises rainwater, the collection funnel is further configured to collect rainwater corresponding to a plurality of different rainfall amounts, the power conversion module is further configured to convert kinetic energy corresponding to the plurality of different rainfall amounts into electric energy; and the control module is further configured to obtain the preset curve according to the first preset area, the plurality of different rainfall amounts, and electric energy corresponding to each of the different rainfall amounts, the preset curve representing a change relationship between voltage corresponding to the electric energy and the first preset area and the different rainfall amounts.

[0023] In one of the embodiments, the power conversion module comprises:

[0024] A liquid-drop type energy collector comprises an electrode, a polytetrafluoroethylene material layer, and a metal substrate, which are sequentially stacked, a normal projection of the electrode on the polytetrafluoroethylene material layer covers part of a surface of the polytetrafluoroethylene material layer, the polytetrafluoroethylene material layer is configured to generate electric energy according to kinetic energy of a liquid drop falling onto the surface, and the electrode is configured to output the electric energy to the control module.

[0025] A weather station comprises:

[0026] The detection device detects rainfall of rainwater; the control module in the detection device is further configured to generate a display signal according to the rainfall corresponding to the rainwater as a liquid;

[0027] The display module is connected with the control module and is configured to display the rainfall according to the display signal.

[0028] In one of the embodiments, the detection device further comprises:

[0029] The temperature and humidity detection module is connected with the control module and is configured to detect temperature and humidity of an environment and generate a temperature and humidity detection signal; the control module is configured to generate the display signal according to the temperature and humidity detection signal.

[0030] The display module is further configured to display the temperature and humidity according to the display signal.

[0031] A detection method comprises:

[0032] The method controls the collected liquid to drop from a first preset position to a second preset position and controls the collected liquid to drop from the first preset position to the second preset position.

[0033] The method converts kinetic energy of the liquid dropping from the first preset position to the second preset position into electric energy.

[0034] The method obtains the falling amount of the liquid corresponding to the electric energy according to the electric energy and a preset curve; the preset curve represents a change relationship between the electric energy and the falling amount.

[0035] In one of the embodiments, the method of obtaining the falling amount of the liquid corresponding to the electric energy according to the electric energy and the preset curve comprises:

[0036] The method obtains a sampling signal according to the electric energy; the sampling signal comprises a sampling voltage or a sampling current.

[0037] The method obtains the falling amount according to the sampling signal and the preset curve.

[0038] In the detection device, the electric energy conversion module converts kinetic energy of the liquid dropping from the first preset position to the second preset position into electric energy, and the control module obtains the falling amount of the liquid corresponding to the electric energy according to the electric energy and a preset curve. In the disclosure, the control module determines the falling amount of the liquid according to the electric energy corresponding to the liquid dropping, realizes automatic measurement of the falling amount of the liquid, avoids errors caused by manual reading of the falling amount, and improves the accuracy of measurement of the falling amount. At the same time, the measurement of the falling amount does not need manual on-duty, reduces the difficulty of setting the measurement of the falling amount, and facilitates the setting of the measurement position of the falling amount.

[0039] The power conversion module converts kinetic energy of liquid falling from the first preset position to the second preset position into electric energy, and the control module obtains the falling amount of the liquid according to the electric energy and a preset curve. In the disclosure, the control module determines the falling amount of the liquid according to the electric energy corresponding to the liquid drop, realizes automatic measurement of the falling amount of the liquid, avoids errors caused by manual reading of the falling amount, and improves the accuracy of measuring the falling amount. At the same time, the measurement of the falling amount does not need manual on-duty, reduces the setting difficulty of measuring the falling amount, facilitates the setting of the measurement position of the falling amount, and facilitates the setting of the weather station.

[0040] In the above detection method, kinetic energy of liquid falling from the first preset position to the second preset position is converted into electric energy, and the falling amount of the liquid is obtained according to the electric energy and a preset curve. According to the electric energy corresponding to the liquid drop, the falling amount of the liquid is determined, the automatic measurement of the falling amount of the liquid is realized, the errors caused by manual reading of the falling amount are avoided, and the accuracy of measuring the falling amount is improved. At the same time, the measurement of the falling amount does not need manual on-duty, reduces the setting difficulty of measuring the falling amount, facilitates the setting of the measurement position of the falling amount. BRIEF DESCRIPTION OF DRAWINGS

[0041] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the related technical solutions, the drawings needed to be used in the embodiments or related technical solution descriptions will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0042] Figure 1 It is one of the structural schematic diagrams of the detection device in the embodiments of the present disclosure.

[0043] Figure 2 It is one of the top view schematic diagrams of the collection module in the embodiments of the present disclosure.

[0044] Figure 3 It is the second structural schematic diagram of the detection device in the embodiments of the present disclosure.

[0045] Figure 4 It is one of the side view schematic diagrams of the power conversion module in the embodiments of the present disclosure.

[0046] Figure 5 It is one of the top view schematic diagrams of the power conversion module in the embodiments of the present disclosure.

[0047] Figure 6 It is the second structural schematic diagram of the detection device in the embodiments of the present disclosure.

[0048] Figure 7 It is the third structural schematic diagram of the detection device in the embodiments of the present disclosure.

[0049] Figure 8 FIG. 4 is a schematic diagram of a fourth structure of a detection device in embodiments of the present disclosure;

[0050] Figure 9 FIG. 1 is a schematic diagram of a first flow of a detection method in embodiments of the present disclosure;

[0051] Figure 10 FIG. 5 is a schematic diagram of a first flow of obtaining a corresponding falling amount of a liquid according to electric energy and a preset curve in embodiments of the present disclosure.

[0052] Legend of reference signs:

[0053] Collection module 102; electric energy conversion module 104; control module 106; sampling module 108; switch module 110; reset module 112; energy storage module 114; solar cell 116; voltage modulation module 118; display module 120; temperature and humidity detection module 122; collection funnel 202; droplet energy collector 204; opening 302; bottom 304; electrode 306; polytetrafluoroethylene material layer 308; metal substrate 310; waterproof layer 312. DETAILED DESCRIPTION

[0054] In order to facilitate the understanding of the embodiments of the present application, the embodiments of the present application will be described more fully below with reference to the related drawings. The preferred embodiments of the present application are shown in the drawings. However, the embodiments of the present application can be realized in many different forms, and are not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the embodiments of the present application more thorough and comprehensive.

[0055] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the embodiments of the present application belong. The terminology used in the specification of the embodiments of the present application is only for the purpose of describing specific embodiments and is not intended to limit the embodiments of the present application. The term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0056] In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the method or position shown in the drawings, and are only for the purpose of facilitating the description of the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0057] It can be understood that the terms "first", "second", etc. used in the present application can be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish the first element from another element. For example, without departing from the scope of the present application, the first preset position can be called the second preset position, and similarly, the second preset position can be called the first preset position. Both the first preset position and the second preset position are preset positions, but they are not the same preset position.

[0058] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise explicitly and specifically limited. In the description of the present application, the meaning of "several" is at least one, for example, one, two, etc., unless otherwise explicitly and specifically limited.

[0059] Traditional weather stations rely on battery or grid power supply, with high maintenance cost and difficult to cover remote areas; rainfall monitoring mostly uses mechanical rain gauge, which needs manual reading and cannot be self-powered. For areas with large, random and uneven rainfall, the rainfall data given by the weather station often deviates from a certain local position in the area.

[0060] Figure 1 For one of the structural schematic diagrams of the detection device in the embodiments of the present disclosure, please refer to Figure 1 In the present embodiment, a detection device is provided, comprising: a collection module 102, an electric energy conversion module 104 and a control module 106.

[0061] The collection module 102 is used to control the collected liquid to drop from the first preset position to the second preset position; the electric energy conversion module 104 is located below the collection module 102, and is used to convert the kinetic energy of the liquid dropping from the first preset position to the second preset position into electric energy; the control module 106 is connected with the electric energy conversion module 104, and is used to obtain the corresponding falling amount of the liquid according to the electric energy and a preset curve; the preset curve represents the change of the electric energy with the falling amount.

[0062] The liquid is a solution to be detected. The collection module 102 collects the liquid falling into the collection module 102 at a falling amount, and controls the liquid to drop from a first preset position to a second preset position. The falling amount represents the depth of the liquid falling to the target position within a certain time. Taking the liquid as rainwater as an example, the falling amount is the rainfall, which represents the depth of the water layer falling to the ground within a certain time, and the unit is millimeter. The first preset position is the position where the liquid leaves the collection module 102 and starts to drop, that is, the position where the liquid starts to drop. The second preset position is the position where the liquid stops dropping, and the second preset position is lower than the first preset position.

[0063] The collection module 102 controls the liquid to drop at a fixed height to generate kinetic energy. The fixed height is the distance between the first preset position and the second preset position.

[0064] The electric energy conversion module 104 is located below the collection module 102, and is used to convert the kinetic energy of the liquid falling from the first preset position to the second preset position into electric energy. For example, the collection module 102 is located at the first preset position, and the electric energy conversion module 104 receives the kinetic energy of the liquid and converts it into a part of the kinetic energy located at the second preset position.

[0065] The control module 106 is connected with the electric energy conversion module 104, and is used to obtain the electric energy converted by the electric energy conversion module 104 according to the kinetic energy, and obtain the falling amount of the liquid into the collection module 102 according to the obtained electric energy and a preset curve. It can be understood that, in the case that the liquid is rainwater, the preset curve represents the change of the electric energy with the rainfall.

[0066] In the above detection device, the electric energy conversion module 104 converts the kinetic energy of the liquid falling from the first preset position to the second preset position into electric energy, and the control module 106 obtains the corresponding falling amount of the liquid according to the electric energy and the preset curve. In the present disclosure, the control module 106 determines the falling amount of the liquid according to the corresponding electric energy of the liquid drop, realizes the automatic measurement of the falling amount of the liquid, avoids the error caused by manual reading of the falling amount, and improves the accuracy of measuring the falling amount. At the same time, the measurement of the falling amount does not need manual on-duty, reduces the setting difficulty of measuring the falling amount, and facilitates the setting of the measurement position of the falling amount.

[0067] Figure 2 Fig. 1 is a top view of the collection module in the embodiment of the present disclosure, Figure 3 Fig. 2 is a structural schematic view of the detection device in the embodiment of the present disclosure, and Figure 2 Fig. 3 is a structural schematic view of the detection device in the embodiment of the present disclosure, and Figure 3In some embodiments, the collection module 102 comprises a collection funnel 202; the collection funnel 202 comprises an opening 302 and a bottom 304, the opening 302 has a first preset area S1, and the opening 302 is used for collecting liquid; the bottom 304 has a second preset area S2, and the bottom 304 is used for controlling the liquid to drop from a first preset position A1 to a second preset position A2 with a preset volume.

[0068] The liquid enters the collection funnel 202 from the opening 302, and the volume X of the liquid entering the collection funnel 202 is the product of the first preset area S1 and the falling amount Y, i.e., X=S1*Y; the bottom 304 is located at the first preset position A1, and controls the liquid to flow out of the collection funnel 202 and drop to the kinetic energy receiving area of the electric energy conversion module 104 located at the second preset position A2; the distance between the first preset position A1 and the second preset position A2 is the falling height H of the liquid, and the bottom 304 with the second preset area S2 makes the liquid drop with a constant volume, and the second preset area S2 of the bottom 304 limits the volume of the liquid in a single drop, and the position of the bottom 304 limits the falling height H of the liquid, so that the liquid drops with a fixed height and a constant volume (for example, 0.08mL), realizing the accurate control of the volume and height of the dropped liquid, eliminating the fluctuation of the output electric energy caused by the random dropping of the liquid on the electric energy conversion module 104, i.e., eliminating the interference of the energy output, and ensuring the stability of the electric energy generated by the electric energy conversion module 104.

[0069] As an example, the first preset area of the opening 302 of the collection funnel 202 is 100 square centimeters, and the collection module 102 comprises an array of 8 collection funnels 202; the falling height H of the liquid comprises 300mm-350mm, such as 300mm, 310mm, 320mm, 330mm and 350mm, etc. Further, the falling height H of the liquid is 350mm, which eliminates the detection of the falling amount by the external environment, and avoids that the kinetic energy of the liquid drop is too small, and the electric energy converted by the kinetic energy is too small to reflect the falling amount of the liquid.

[0070] In some embodiments, the liquid comprises rainwater, and the falling amount comprises rainfall, which is automatically detected by the detection device, eliminating the dependence of the detection of the rainfall on manual operation.

[0071] In some embodiments, the collecting funnel 202 is further configured to collect rainwater corresponding to a plurality of different rainfall amounts; the electric energy conversion module 104 is further configured to convert kinetic energy corresponding to the plurality of rainfall amounts into electric energy, the plurality of electric energies and the plurality of rainfall amounts correspond to each other in a one-to-one manner; and the control module 106 is further configured to obtain a preset curve according to the first preset area S1, the plurality of rainfall amounts, and the electric energy corresponding to each rainfall amount, the preset curve representing a change relationship between the electric energy corresponding voltage and the rainfall amount and the first preset area. Through the above configuration, the preset curve representing the change of the electric energy corresponding voltage with the rainfall amount and the first preset area can be obtained, which facilitates subsequent detection of an unknown rainfall amount according to the preset curve and the electric energy corresponding to the unknown rainfall amount.

[0072] The cross-sectional area of the opening 302 of the collecting funnel 202 is the first preset area S1, and the volume of the collected rainfall Y is X, X=S1*Y. The collected rainfall drops at a constant volume and a fixed height H, the number of the dropped rainwater is proportional to the volume of the collected rainwater, the rainwater at the constant volume drops to the electric energy conversion module 104 at the fixed height H, the electric energy conversion module 104 generates the same electric energy according to the kinetic energy of the rainwater dropped each time, and thus the electric energy corresponding voltage V generated by the electric energy conversion module 104 increases with the increase of the volume X of the rainwater collected by the collecting funnel 202.

[0073] The collecting funnel 202 is further configured to collect rainwater corresponding to n different rainfall amounts (unit: mm), the cross-sectional area of the opening 302 of the collecting funnel 202 with the first preset area S1 collects rainwater corresponding to a rainfall amount Y1 and controls the rainwater to drop at a constant volume and a fixed height H; the electric energy conversion module 104 converts the kinetic energy of the rainwater corresponding to the rainfall amount Y1 into electric energy to obtain the electric energy corresponding to the rainfall amount Y1; the collecting funnel 202 collects rainwater corresponding to a rainfall amount Y2 and controls the rainwater to drop at a constant volume and a fixed height H; the electric energy conversion module 104 converts the kinetic energy of the rainwater corresponding to the rainfall amount Y2 into electric energy to obtain the electric energy corresponding to the rainfall amount Y2; …; the collecting funnel 202 collects rainwater corresponding to a rainfall amount Yn and controls the rainwater to drop at a constant volume and a fixed height H; the electric energy conversion module 104 converts the kinetic energy of the rainwater corresponding to the rainfall amount Yn into electric energy to obtain the electric energy corresponding to the rainfall amount Yn; and the control module 106 performs fitting on the first preset area S1, the rainfall amount Y1, the rainfall amount Y2, …, the rainfall amount Yn, the electric energy corresponding to the rainfall amount Y1, the electric energy corresponding to the rainfall amount Y2, …, the electric energy corresponding to the rainfall amount Yn, to obtain the plurality of rainfall amounts and the electric energy corresponding to each rainfall amount, and to obtain a preset curve representing the change of the electric energy corresponding voltage V with the rainfall amount Y and the first preset area S1. The greater the value of N is, the higher the accuracy of the rainfall amount obtained according to the preset curve is.

[0074] The electric energy generated by each drop of rain falling on the electric energy conversion module 1044 is the same, and the instantaneous voltage of the electric energy generated by the impact of the liquid drop reaches hundreds of volts. The charging loss change caused by the change of the electric energy conversion module 1044 itself can be ignored relative to the electric energy generated by the drop of rain. The voltage V corresponding to the electric energy is proportional to the volume X of the rainwater collected by the collection funnel 202.

[0075] In the case where the voltage V corresponding to the electric energy is proportional to the volume X of the rainwater collected by the collection funnel 202, a preset curve representing the change of the voltage V corresponding to the electric energy with the rainfall Y and the first preset area S1 is V=K*S1*Y; wherein K is the conversion coefficient of voltage-volume; the control module 106 obtains the volume X1 of the rainwater in the collection funnel 202 according to the first preset area S1 and the rainfall Y1, and determines the coefficient K according to the volume X1 of the rainwater corresponding to the rainfall Y1 and the voltage V1 corresponding to the electric energy, to obtain the preset curve.

[0076] Figure 4 FIG. 1 is a side view of the electric energy conversion module in the embodiment of the present disclosure, Figure 5 FIG. 2 is a top view of the electric energy conversion module in the embodiment of the present disclosure, referring to Figures 3-5 In some embodiments, the electric energy conversion module 104 includes a liquid-drop energy collector (DEG) 204; the liquid-drop energy collector 204 includes an electrode 306, a polytetrafluoroethylene material layer 308 and a metal substrate 310 which are sequentially stacked; the normal projection of the electrode 306 on the polytetrafluoroethylene material layer 308 covers part of the surface of the polytetrafluoroethylene material layer 308, the polytetrafluoroethylene material layer 308 is used to generate electric energy according to the kinetic energy of the liquid drop falling on the surface; and the electrode 306 is used to output the electric energy to the control module 106. The polytetrafluoroethylene material layer 308 in the liquid-drop energy collector 204 has excellent hydrophobicity and electronic affinity, which can improve the charge transfer efficiency of the conversion of kinetic energy into electric energy and ensure the stability of the conversion of kinetic energy into electric energy.

[0077] The liquid-drop energy collector 204 is fixedly installed at a test position, the surface of the electrode 306 of the liquid-drop energy collector 204 is arranged to face the collection funnel 202, and the included angle B with the vertical direction is greater than or equal to 15 degrees and less than or equal to 75 degrees. Through this arrangement, the liquid drop falling on the polytetrafluoroethylene material layer 308, so that the polytetrafluoroethylene material layer 308 converts the kinetic energy of the liquid drop impact into electric energy.

[0078] The thickness of the metal substrate 310 is 50 μm. The metal substrate 310, as a bottom electrode and the electrode 306, jointly constitutes a double output terminal to output the converted electrical energy. As an example, the material of the metal substrate 310 is copper, the material of the polytetrafluoroethylene material layer 308 is a hydrophobic polytetrafluoroethylene material, and the material of the electrode 306 is conductive glue.

[0079] Further, the included angle B is 45 degrees, which increases the kinetic energy of the liquid drop to the conversion of electrical energy and improves the energy conversion efficiency.

[0080] The liquid drop type energy collector 204 further includes a waterproof layer 312, which wraps the side wall and bottom of the metal substrate 310 and the side wall of the polytetrafluoroethylene material layer 308 to avoid damage to the metal substrate 310 and affect the conductivity of the metal substrate 310. As an example, the material of the waterproof layer 312 is waterproof tape.

[0081] As an example, the size of the surface of the liquid drop type energy collector 204 is 4 cm*4 cm, and the position and included angle B of the liquid drop type energy collector 204 can be freely adjusted.

[0082] Figure 6 Fig. 2 is a structural schematic diagram of a detection device in an embodiment of the present disclosure, Figure 7 Fig. 3 is a structural schematic diagram of a detection device in an embodiment of the present disclosure, Figure 8 Fig. 4 is a structural schematic diagram of a detection device in an embodiment of the present disclosure, referring to Figures 6-8 In some embodiments, the detection device further includes a sampling module 108, which is connected with the electrical energy conversion module 104 and the control module 106, respectively, and is configured to generate a sampling signal according to the electrical energy, the sampling signal including a sampling voltage or a sampling current; and the control module 106 is configured to obtain the falling amount according to the sampling signal and a preset curve. The sampling (quantization) of the electrical energy corresponding to the falling amount is realized by the sampling module 108, that is, the information (rainfall information) of the falling amount of the liquid is collected to realize the accurate detection of the falling amount.

[0083] Referring to Figure 8 The sampling module 108 includes a sampling capacitor C1, which is connected with the electrical energy conversion module 104 and is configured to generate a sampling voltage according to the electrical energy; the control module 106 is configured to obtain the falling amount of the liquid according to the sampling voltage and a preset curve; and the preset curve represents the corresponding relationship between the sampling voltage and the falling amount. As an example, the sampling voltage linearly increases with the falling amount.

[0084] As an example, the sampling capacitor C1 is a micro-farad capacitor, the energy of the liquid drop is limited (electric energy), and the electric energy converted by the electric energy conversion module 104 is used to charge the capacitor with excessive capacity. When the voltage across the capacitor is small, the voltage information is extracted with poor resolution, and the accuracy of the detected drop amount is low. When the electric energy converted by the electric energy conversion module 104 is used to charge the capacitor with too small capacity, the self-discharge of the capacitor is serious, which is not conducive to the measurement of the drop amount. Using a micro-farad capacitor can balance the problems of too small voltage and serious self-discharge. As an example, the capacitance of the sampling capacitor C1 is 47 μF.

[0085] Referring to Figure 6 and Figure 7 In some embodiments, the detection device further comprises: a switch module 110; the switch module 110 is connected with the sampling module 108 and the control module 106 respectively; the switch module 110 is used to turn on or off according to the switch control signal, so as to connect or disconnect the control module 106 and the sampling module 108; wherein, when the control module 106 and the sampling module 108 are connected, the control module 106 acquires the sampling signal, and obtains the drop amount according to the sampling signal and the preset curve. By controlling the connection between the sampling module 108 and the control module 106 through the switch module 110, the detection frequency of the drop amount can be controlled, and the purpose of dynamically regulating the detection frequency of the rainfall amount is achieved.

[0086] Further, the control module 106 is further used to generate a switch control signal, so as to control the detection frequency of the drop amount through the control module 106, and achieve the dynamic regulation of the detection frequency of the rainfall amount.

[0087] Referring to Figure 8 , the switch module 110 comprises a first switch K1, and the first switch K1 is connected with the sampling module 108 and the control module 106 respectively. By controlling the turn-on or turn-off of the first switch K1, the connection or disconnection between the control module 106 and the sampling module 108 can be realized. As an example, the first switch K1 comprises a switch tube or a single-pole single-throw switch.

[0088] As an example, when turned on, the switch module 110 connects the control module 106 and the sampling module 108, and when turned off, the switch module 110 disconnects the connection between the control module 106 and the sampling module 108. Alternatively, when the switch module 110 is turned off, the control module 106 and the sampling module 108 are connected, and when the switch module 110 is turned on, the connection between the control module 106 and the sampling module 108 is disconnected.

[0089] The sampling capacitor C1 is connected with the electric energy conversion module 104, the electric energy conversion module 104 generates a transient high voltage according to the kinetic energy of the liquid drop, the transient high voltage charges the sampling capacitor C1, for example, the transient high voltage charges the sampling capacitor C1 through an equivalent circuit, and the sampling capacitor C1 generates a sampling voltage V according to the transient high voltage; the control module 106 is connected with the sampling capacitor C1, the sampling voltage V is obtained, and the voltage difference is obtained according to the current sampling voltage and the previous sampling voltage; and the liquid drop amount is obtained according to the voltage difference and a preset curve; wherein the current sampling voltage is the sampling voltage obtained when the control module 106 is connected with the sampling capacitor C1, and the previous sampling voltage is the sampling voltage obtained when the control module 106 is connected with the sampling capacitor C1 last time. Through the voltage difference and the preset curve, the liquid drop amount in the time period between two detections is detected.

[0090] The electric energy converted by the electric energy conversion module 104 charges the sampling capacitor, the voltage between the two ends of the sampling capacitor is the sampling voltage, the collection module 102 controls the liquid to drop to the electric energy conversion module 1044 at a fixed height, the liquid (drop amount) per unit area on the collection module 102 drops onto the electric energy conversion module 1044 to generate electric energy, and the electric energy generated by the liquid drop impact remains unchanged. The transient voltage of the electric energy reaches hundreds of volts, the electric energy charges the sampling capacitor, and the charging loss change caused by the voltage change of the sampling capacitor itself can be ignored relative to the sampling voltage.

[0091] As an example, the obtained sampling voltages are sorted in the order of the time when the control module 106 is connected with the sampling capacitor, which are respectively the sampling voltage Vt1, the sampling voltage Vt2, the sampling voltage Vt3 and the sampling voltage Vt4; wherein when the current sampling voltage is the sampling voltage Vt1, the previous sampling voltage is 0; when the current sampling voltage is the sampling voltage Vt2, the previous sampling voltage is the sampling voltage Vt1; when the current sampling voltage is the sampling voltage Vt3, the previous sampling voltage is the sampling voltage Vt2; and when the current sampling voltage is the sampling voltage Vt4, the previous sampling voltage is the sampling voltage Vt3.

[0092] Referring to Figure 6 and Figure 7 In some embodiments, the detection device further comprises a reset module 112; the reset module 112 is connected with the sampling module 108, and is configured to reset the sampling module 108 when a reset control signal is received. The reset is to clear the sampling signal of the sampling module 108, through the reset module 112, the sampling signal of the sampling module 108 can be reset, the calculation period of the drop amount is reset, and the problem that the sampling signal exceeds the sampling threshold of the sampling module 108, resulting in that the drop amount cannot be accurately measured, is avoided.

[0093] Referring to Figure 8In some embodiments, the reset module 112 includes a reset switch K3 and a reset resistor R; wherein the reset control signal controls the opening and closing of the reset switch K3, in the case of opening of the reset switch K3, the reset resistor R and the sampling module 108 are disconnected, and the sampling module 108 generates a sampling signal according to the electric energy; in the case of closing of the reset switch K3, the reset resistor R and the sampling module 108 are connected, and the sampling signal on the sampling module 108 is discharged through the reset resistor R. As an example, the reset resistor R is 5 ohms.

[0094] Referring to Figure 6 and Figure 7 In some embodiments, the detection device further includes an energy storage module 114; the energy storage module 114 is connected with the electric energy conversion module 104, for generating a power supply signal according to the electric energy; the energy storage module 114 is also used to provide the power supply signal to the control module 106. The energy storage module 114 generates the power supply signal according to the electric energy converted by the electric energy conversion module 104, and supplies power to the control module 106. The integration of the "function-monitoring" function is realized, and the environmental limitations of single power supply technology are broken through.

[0095] The electric energy conversion module 104 converts the electric energy according to the kinetic energy, which on the one hand generates a sampling signal on the sampling module 108 (i.e. charging the sampling capacitor C1 to generate a sampling voltage) representing the rainfall, and on the other hand generates a power supply signal on the energy storage module 114 to supply power to the control module 106, realizing self-power supply and eliminating the dependence of the detection device on external power supply for detecting the falling amount of liquid.

[0096] Referring to Figure 6 In some embodiments, the energy storage module 114 is connected with the control module 106, for providing the power supply signal to the control module 106 to continuously supply power to the control module 106, so that the control module 106 continuously works.

[0097] Referring to Figure 7 In some embodiments, the switch module 110 is connected with the energy storage module 114 and the control module 106 respectively, and the switch module 110 is also used to conduct or disconnect according to the switch control signal, so as to connect or disconnect between the energy storage module 114 and the control module 106; wherein, in the case of connecting the energy storage module 114 and the control module 106, the energy storage module 114 supplies power to the control module 106; in the case of disconnecting the energy storage module 114 and the control module 106, the energy storage module 114 stops supplying power to the control module 106. The power supply and detection are realized synchronously, that is, in the process of detecting the falling amount, the control module 106 is supplied with power by the energy storage module 114, that is, the detection device is powered and operated when the falling amount needs to be detected, the power consumption is reduced, and the waste of electric energy is prevented.

[0098] Referring to Figure 8The switch module 110 includes a second switch K2, which is connected with the energy storage module 114 and the control module 106 respectively. The second switch K2 is turned on or turned off to connect or disconnect the energy storage module 114 and the control module 106. As an example, the second switch K2 includes a switch tube or a single-pole single-throw switch.

[0099] Referring to Figure 8 In some embodiments, the energy storage module 114 includes an energy storage capacitor C2, which is used to generate an energy storage voltage as a power supply signal according to the electric energy, so as to supply power to the control module 106.

[0100] The capacity of the sampling capacitor C1 is smaller than that of the energy storage capacitor C2. The capacity of the energy storage capacitor C2 is a millifarad-level capacitor, which avoids that the capacity of the energy storage capacitor C2 is too small to meet the energy storage requirement. As an example, the control module 106 includes an STM32 microcontroller.

[0101] Referring to Figure 7 In some embodiments, the detection device includes a plurality of collection modules 102 and a plurality of electric energy conversion modules 104, which are arranged one by one. Any one of the electric energy conversion modules 104 is connected with one of the sampling module 108 and the energy storage module 114.

[0102] Part of the electric energy conversion modules 104 and the sampling module 108 are connected, which are used to generate a sampling signal related to the rainfall amount to record the information of the falling amount of the liquid. Another part of the electric energy conversion modules 104 and the energy storage module 114 are connected, which are used to generate a power supply signal for power supply and energy supplement of the system. The two parts of the electric energy conversion modules 104 are independent of each other.

[0103] The plurality of collection modules 102 are collection funnels 202. The first preset area S1 of the opening 302, the second preset area of the bottom 304, the distance between the corresponding first preset position A1 and the second preset position A2 of any two collection funnels 202 in the plurality of collection funnels 202 are all the same, which simplifies the detection of the falling amount and facilitates the comparison of the falling amount at different positions.

[0104] In some embodiments, the number of the electric energy conversion modules 104 connected with the sampling module 108 is less than the number of the electric energy conversion modules 104 connected with the energy storage module 114. Through this setting, the falling amount detection is carried out at the same time, and the utilization rate of the electric energy converted by the electric energy conversion modules 104 is improved.

[0105] In some embodiments, the detection device further comprises a solar cell 116; the solar cell 116 is connected with the energy storage module 114, and is configured to provide battery power to the energy storage module 114; wherein the solar cell 116 and the electric energy conversion module 104 are connected in parallel across the energy storage module 114, and the energy storage module 114 is further configured to generate a power supply signal according to the battery power. Through the solar cell 116, the energy gap of overcast weather can be supplemented, and the power supply signal of the energy storage module 114 can be ensured, so that the detection device can still be powered for continuous operation during intermittent rainfall, and the detection device can be ensured to run all-weather in extreme environments, so that the detection device can realize long-term stable self-powered monitoring under various environmental conditions. The solar cell 116 and the electric energy conversion module 104 jointly supply power, realize double energy complementary power supply, and break through the environmental limitations of single energy supply technology. As an example, the energy storage module 114 supplies power for the operation of each module in the detection device.

[0106] The solar cell 116 serves as an auxiliary power supply to ensure that the detection device can still work continuously during intermittent rainfall. This design enables the meteorological station including the detection device to realize long-term stable self-powered monitoring under various environmental conditions.

[0107] Referring to Figure 8 In some embodiments, the detection device further comprises a voltage modulation module 118; the voltage modulation module 118 is connected with the energy storage module 114 and the control module 106 respectively, and is configured to modulate the power supply signal provided by the energy storage module 114, so that the power supply voltage of the power supply signal matches the working voltage of the control module 106.

[0108] Referring to Figure 8 In some embodiments, the detection device further comprises a display module 120, which is connected with the control module 106; wherein the control module 106 is further configured to generate a display signal according to the liquid precipitation. The display module 120 displays the precipitation information corresponding to the precipitation, which facilitates the reading of the precipitation. As an example, the liquid is rainwater, and the precipitation is further configured to display the precipitation of the liquid as the rainfall according to the display signal, and the display module 120 displays the rainfall information in the meteorological information according to the display signal. The display module 120 comprises an OLED module, such as an OLED display screen. As an example, the energy storage module 114 is further configured to supply power to the display module 120 according to the power supply signal.

[0109] The control module 106 is further configured to map the liquid falling amount to a falling level according to a preset algorithm, and the display module 120 is further configured to display the falling level in an iconized interface to realize dynamic feedback of the falling amount and improve the intuitiveness of user interaction. As an example, the liquid is rainwater, and the control module 106 is further configured to map the rainfall amount of the rainwater to a rainfall level, such as light rain, moderate rain, and heavy rain, according to a preset algorithm, and the display module 120 is further configured to display the rainfall level information corresponding to the rainfall level in an iconized interface (e.g., the number of sun / raindrops).

[0110] Referring to Figure 8 In some embodiments, the detection device further comprises a temperature and humidity detection module 122 connected with the control module 106, and the temperature and humidity detection module 122 is configured to detect the temperature and humidity of the environment; wherein the control module 106 is further configured to generate a display signal according to the temperature and humidity, and the display module 120 is further configured to display the temperature and humidity information corresponding to the temperature and humidity according to the display signal. The temperature and humidity information includes the temperature information and the humidity information of the environment. The detection of the temperature and humidity of the environment is realized by the temperature and humidity detection module 122. As an example, the temperature and humidity detection module 122 comprises a temperature and humidity sensor. The energy storage module 114 is further configured to supply power to the temperature and humidity detection module 122 according to the power supply signal.

[0111] In Figure 3 and Figure 8For example, the area of the opening 302 is a first preset area S1, and the plurality of collection funnels 202 collect rainwater and control the rainwater to fall from a first preset position A1 to a second preset position A2; the drop-type energy collector 204 corresponding to the collection funnel 202 converts the kinetic energy of the rainwater falling from the first preset position A1 to the second preset position A2 into electrical energy. The drop-type energy collector 204 connected to the sampling capacitor C1 charges the sampling capacitor C1, generating a sampling voltage across the sampling capacitor C1, and the drop-type energy collector 204 connected to the energy storage capacitor C2 and the solar cell 116 charge the energy storage capacitor C2, generating an energy storage voltage as a power supply signal; in the case of needing to detect the rainfall, the first switch K1 and the second switch K2 in the switch module 110 are turned on according to the switch control signal, and the energy storage capacitor C2 supplies power to the control module 106, the display module 120 and the temperature and humidity detection module 122 through the voltage modulation module 118, the temperature and humidity detection module 122 detects the temperature and humidity of the environment and sends the temperature and humidity to the control module 106; the control module 106 acquires and determines the rainfall according to the sampling voltage and a preset curve, and converts the rainfall into a rainfall grade according to a preset algorithm, and generates a display signal according to the rainfall grade and the temperature and humidity; the display module 120 displays rainfall grade information corresponding to the rainfall grade and temperature and humidity information corresponding to the temperature and humidity according to the display signal, for example, displays the rainfall grade information with the sun and raindrop water. The "sun" or different number of "raindrop" icons on the display module 120 reflect the precipitation data in a period of time.

[0112] Based on the same inventive concept, the present disclosure also provides a weather station, which has the same or corresponding parts as the above-mentioned detection device, and the following will not be repeated. A weather station, comprising: a detection device and a display module as described above; the detection device is used to detect the rainfall of rainwater; the control module in the detection device is further used to generate a display signal according to the rainfall corresponding to the rainwater as a liquid; the display module is connected with the control module, and is used to display the rainfall according to the display signal.

[0113] In the above-mentioned weather station, the electrical energy conversion module converts the kinetic energy of the liquid falling from the first preset position to the second preset position into electrical energy, and the control module obtains the falling amount of the liquid according to the electrical energy and a preset curve. In the present disclosure, the control module determines the falling amount of the liquid according to the electrical energy corresponding to the liquid dripping, realizes the automatic measurement of the falling amount of the liquid, avoids the error caused by manual reading of the falling amount, and improves the accuracy of measuring the falling amount. At the same time, the measurement of the falling amount does not need manual on-duty, reduces the setting difficulty of measuring the falling amount, facilitates the setting of the measurement position of the falling amount, and facilitates the setting of the weather station.

[0114] In one of the embodiments, the weather station further comprises: a temperature and humidity detection module; the temperature and humidity detection module is connected with the control module, and is configured to detect the temperature and humidity of the environment and generate a temperature and humidity detection signal; the control module is configured to generate a display signal according to the temperature and humidity detection signal; and the display module is further configured to display the temperature and humidity according to the display signal.

[0115] Based on the same inventive concept, the disclosure also provides a detection method, which has the same or corresponding parts as the above-mentioned detection device, and will not be described here. Figure 9 For one of the flowcharts of the detection method in the embodiments of the disclosure, see Figure 9 In this embodiment, a detection method is provided, which comprises:

[0116] S102, controlling the collected liquid to drop from the first preset position to the second preset position, and controlling the collected liquid to drop from the first preset position to the second preset position.

[0117] S104, converting the kinetic energy of the liquid dropping from the first preset position to the second preset position into electrical energy.

[0118] S106, obtaining the corresponding drop amount of the liquid according to the electrical energy and a preset curve; the preset curve represents the change relationship between the electrical energy and the drop amount.

[0119] In the above detection method, the kinetic energy of the liquid dropping from the first preset position to the second preset position is converted into electrical energy, and the corresponding drop amount of the liquid is obtained according to the electrical energy and a preset curve. According to the electrical energy corresponding to the drop of the liquid, the drop amount of the liquid is determined, so as to realize the automatic measurement of the drop amount of the liquid, avoid the error caused by manual reading of the drop amount, and improve the accuracy of measuring the drop amount. At the same time, the measurement of the drop amount does not need manual on-duty, which reduces the difficulty of setting the measurement of the drop amount and facilitates the setting of the measurement position of the drop amount.

[0120] Figure 10 For one of the flowcharts of obtaining the corresponding drop amount of the liquid according to the electrical energy and a preset curve in the embodiments of the disclosure, see Figure 10 In some embodiments, obtaining the corresponding drop amount of the liquid according to the electrical energy and a preset curve comprises:

[0121] S202, obtaining a sampling signal according to the electrical energy, the sampling signal comprising a sampling voltage or a sampling current.

[0122] S204, obtaining the drop amount according to the sampling signal and a preset curve.

[0123] It should be understood that, although Figure 9 and Figure 10The steps in the flowcharts of the above embodiments are displayed in sequence according to the arrows, but the steps are not necessarily executed in the order indicated by the arrows. Unless otherwise specified herein, the execution of the steps is not strictly limited in sequence, and the steps can be executed in other sequences. Moreover, Figure 9 And Figure 10 At least part of the steps in the flowcharts of the above embodiments can include multiple sub-steps or multiple stages, which are not necessarily executed at the same time, but can be executed at different times, and the execution sequence of the sub-steps or stages is not necessarily sequential, but can be executed alternately or alternately with at least part of other steps or sub-steps or stages of other steps.

[0124] The present disclosure also provides a computer device comprising a memory and a processor, wherein the memory stores a computer program, and the processor implements the steps of the detection method of any one of the above embodiments when executing the computer program.

[0125] The present disclosure also provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program is executed by a processor to implement the steps of the detection method of any one of the above embodiments.

[0126] A person of ordinary skill in the art can understand that all or part of the above-mentioned embodiment methods can be completed by a computer program instructing related hardware. The computer program can be stored in a non-volatile computer readable storage medium, and when executed, can include the flow of the above-mentioned embodiments of each method. Any reference to memory, storage, database or other medium used in the embodiments provided by the present application can include at least one of non-volatile and volatile memory. Non-volatile memory can include read-only memory (ROM), magnetic tape, floppy disk, flash memory or optical memory, etc. Volatile memory can include random access memory (RAM) or external cache memory. As an illustration but not limitation, RAM can be in various forms, such as static random access memory (SRAM) or dynamic random access memory (DRAM), etc.

[0127] Each technical feature of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, all possible combinations of each technical feature in the above-mentioned embodiments are not described, but as long as the combination of technical features does not exist, it should be considered as the scope of the present disclosure.

[0128] The above-described embodiments only express several implementation manners of the application, the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the application, several modifications and improvements can be made, which are within the scope of the application. Therefore, the protection scope of the patent of the application should be subject to the appended claims.

Claims

1. A detection device, characterized in that, The detection device comprises: a collection module configured to control a liquid collected to drop from a first preset position to a second preset position; an electric energy conversion module arranged below the collection module and configured to convert kinetic energy of the liquid dropping from the first preset position to the second preset position into electric energy; a control module connected with the electric energy conversion module and configured to obtain a drop amount of the liquid according to the electric energy and a preset curve; the preset curve represents a change of the electric energy with the drop amount.

2. The detection device of claim 1, wherein, The detection device further comprises: a sampling module connected with the electric energy conversion module and the control module respectively and configured to generate a sampling signal according to the electric energy, the sampling signal comprising a sampling voltage or a sampling current; the control module is configured to obtain the drop amount according to the sampling signal and the preset curve.

3. The detection device of claim 2, wherein, The detection device further comprises: a reset module configured to reset the sampling module when a reset control signal is received.

4. The detection device of claim 2, wherein, The detection device further comprises: an energy storage module connected with the electric energy conversion module and configured to generate a power supply signal according to the electric energy; the energy storage module is further configured to provide the power supply signal to the control module.

5. The detection device of claim 4, wherein, The detection device comprises a plurality of collection modules and a plurality of electric energy conversion modules, the plurality of collection modules and the plurality of electric energy conversion modules are arranged in one-to-one correspondence; any electric energy conversion module is connected with one of the sampling module and the energy storage module.

6. The detection device of claim 4, wherein, The detection device further comprises: a solar cell connected with the energy storage module and configured to provide a battery electric quantity to the energy storage module; the energy storage module is further configured to generate the power supply signal according to the battery electric quantity.

7. The detection device of claim 4, wherein, The energy storage module comprises an energy storage capacitor, and the sampling module comprises a sampling capacitor, the capacity of the sampling capacitor is less than the capacity of the energy storage capacitor; the control module comprises a control chip.

8. The detection device of claim 1, wherein, The collection module comprises: a collection funnel having an opening with a first preset area and a bottom with a second preset area, the opening is configured to collect a liquid, and the bottom is configured to control the liquid to drop from the first preset position to the second preset position with a preset volume; the liquid comprises rainwater, the collection funnel is further configured to collect rainwater corresponding to a plurality of different rainfall amounts, the electric energy conversion module is further configured to convert kinetic energy corresponding to the plurality of different rainfall amounts into electric energy, and the control module is further configured to obtain the preset curve according to the first preset area, the plurality of different rainfall amounts, and electric energy corresponding to each of the plurality of different rainfall amounts, the preset curve representing a change relationship between the electric energy and a voltage corresponding to the electric energy with the first preset area and the plurality of different rainfall amounts.

9. The detection device of claim 1, wherein, The electric energy conversion module comprises: a liquid drop type energy collector comprising an electrode, a polytetrafluoroethylene material layer, and a metal substrate arranged in sequence, a normal projection of the electrode on the polytetrafluoroethylene material layer covers part of a surface of the polytetrafluoroethylene material layer, the polytetrafluoroethylene material layer is configured to generate electric energy according to kinetic energy of a liquid drop dropping onto the surface, and the electrode is configured to output the electric energy to the control module.

10. A weather station, characterized by The detection device comprises: the detection device according to any one of claims 1-9 is configured to detect a rainfall amount of rainwater. The control module in the detection device is further configured to generate a display signal according to a rainfall amount corresponding to the rainwater as the liquid; The display module is connected with the control module and configured to display the rainfall amount according to the display signal.

11. The weather station of claim 10, wherein, Further comprising: A temperature and humidity detection module connected with the control module and configured to detect the temperature and humidity of the environment and generate a temperature and humidity detection signal; The control module is configured to generate the display signal according to the temperature and humidity detection signal; The display module is further configured to display the temperature and humidity according to the display signal.

12. A method of detection, characterized in that Comprising: Control the collected liquid to drip from the first preset position to the second preset position, and control the collected liquid to drip from the first preset position to the second preset position; Convert the kinetic energy of the liquid dripping from the first preset position to the second preset position into electrical energy; According to the electrical energy and a preset curve, obtain the corresponding falling amount of the liquid; the preset curve represents the relationship between the electrical energy and the falling amount.

13. The detection method of claim 12, wherein, The falling amount of the liquid corresponding to the electrical energy and the preset curve includes: According to the electrical energy, obtain a sampling signal, the sampling signal includes a sampling voltage or a sampling current; According to the sampling signal and the preset curve, obtain the falling amount.

Images