Multi-band sound wave precipitation enhancement system

Abstract

The invention discloses a multi-band sound wave precipitation enhancement system, which relates to the field of sound wave rainfall and comprises an air compression device, a multi-band phased array sound wave emitter, a self-adaptive sound wave focusing device, a meteorological data acquisition device and a control device. According to the multi-band sound wave precipitation enhancement system, high-pressure airflow provided by the air compression device is used for assisting propagation of sound wave beams, the energy transmission efficiency of the sound wave beams in the atmosphere is enhanced, and the controllability and environmental adaptability of the precipitation enhancement effect are further improved. And through the multi-band phased array technology, the shape and direction of the sound wave beam can be accurately controlled, and the propagation efficiency and focusing capability of the sound wave beam in the atmosphere are improved, so that the precipitation enhancement effect is enhanced. And meanwhile, focusing and control of sound wave beams are dynamically adjusted through the self-adaptive sound wave focusing device, so that the rainfall effect is further improved.

Description

Technical Field

[0001] This application relates to the technical field of acoustic wave rainfall, and particularly to a multi-band acoustic wave rainfall enhancement system. Background Art

[0002] As an emerging weather control method, the acoustic wave rainfall enhancement technology aims to utilize the physical effects of acoustic waves to promote the collision and condensation of water droplets in clouds, thereby inducing precipitation. Compared with the traditional method of spreading chemical agents, the acoustic wave rainfall enhancement technology has lower environmental impact and broader application potential. The acoustic wave rainfall enhancement methods in related technologies include: generating an acoustic wave beam through an acoustic wave generator and using the acoustic wave velocity to enhance rainfall in the target area.

[0003] The rainfall enhancement effect of the acoustic wave rainfall enhancement method in related technologies is poor. Summary of the Invention

[0004] In view of the above problems, this application provides a multi-band acoustic wave rainfall enhancement system to achieve the purpose of efficient acoustic wave rainfall enhancement. The specific solutions are as follows: In the first aspect of this application, a multi-band acoustic wave rainfall enhancement system is provided, including: A meteorological data acquisition device for acquiring meteorological data; A control device communicatively connected to an air compression device, a multi-band phased array acoustic wave transmitter, an adaptive acoustic wave focusing device, and the meteorological data acquisition device, for obtaining an acoustic wave emission strategy based on the meteorological data and the target area to be enhanced in rainfall; sending the acoustic wave emission strategy to the multi-band phased array acoustic wave transmitter; sending the target area to the adaptive acoustic wave focusing device; Wherein, the acoustic wave emission strategy is the basis for the multi-band phased array acoustic wave transmitter to generate an acoustic wave beam; the target area is the basis for the adaptive acoustic wave focusing device to focus the acoustic wave beam; The air compression device for pressurizing air and outputting the pressurized air through the gas outlet of the air compression device; The multi-band phased array acoustic wave transmitter with an inlet connected to the gas outlet of the air compression device, including a plurality of acoustic wave emission groups, each acoustic wave emission group including an acoustic wave emission unit, a phase adjustment unit communicatively connected to the acoustic wave emission unit, and an amplifier; a central controller communicatively connected to the phase adjustment unit and the acoustic wave emission unit in each acoustic wave emission group; The central controller for obtaining the frequencies respectively corresponding to the plurality of acoustic wave emission groups, the powers respectively corresponding to the plurality of acoustic wave emission groups, and the phases respectively corresponding to the plurality of acoustic wave emission groups from the acoustic wave emission strategy; Each of the acoustic wave emitting units in each of the acoustic wave emitting groups is configured to obtain an acoustic wave beam having a frequency, a phase, and a power corresponding to the acoustic wave emitting group. An adaptive acoustic wave focusing device cooperatively connected to the multi-band phased array acoustic wave transmitter is configured to focus the acoustic wave beams respectively generated by the multiple acoustic wave emitting groups to the target area.

[0005] In a possible implementation, the adaptive acoustic wave focusing device includes: A bracket; A plurality of reflection devices disposed on the bracket, each of the reflection devices including a reflection lens and an electric control device connected to the reflection lens; the electric control devices in the plurality of reflection devices are communicatively connected to the control device; The electric control device in each of the reflection devices is configured to adjust the position of the reflection lens belonging to the same reflection device based on the target area; so that the adaptive acoustic wave focusing device focuses the acoustic wave beams respectively generated by the multiple acoustic wave emitting groups to the target area.

[0006] In a possible implementation, the electric control device includes: A feedback sensor communicatively connected to the control device, configured to monitor the actual position of the reflection lens belonging to the same reflection device as the electric control device; A driving motor communicatively connected to the control device, configured to drive the reflection lens mounted on the driving motor to rotate from the actual position to the position corresponding to the target area.

[0007] In a possible implementation, the meteorological data acquisition device includes: A temperature sensor for measuring the current ambient temperature; A humidity sensor for measuring the current ambient humidity; A wind speed sensor for measuring the current ambient wind speed; A barometric pressure sensor for measuring the current ambient barometric pressure; Wherein, the temperature sensor, the humidity sensor, the wind speed sensor, and the barometric pressure sensor are respectively communicatively connected to the control device.

[0008] In a possible implementation, the control device includes a data processing device, a data storage device, and a cloud server, wherein: The data processing device is configured to obtain the meteorological data collected by the meteorological data acquisition device; obtain the acoustic wave emission strategy based on the meteorological data and the target area; send the acoustic wave emission strategy to the multi-band phased array acoustic wave transmitter; send the target area to the adaptive acoustic wave focusing device; the meteorological data includes the current ambient temperature, the current ambient humidity, the current ambient wind speed, and the current ambient air pressure. The data storage device is configured to store the meteorological data and the operation logs of the multi-band acoustic wave rainfall enhancement system; send the meteorological data and the operation logs to the cloud server.

[0009] In a possible implementation, the air compression device includes: An air compressor, a power mechanism, and a transmission mechanism. The power mechanism is connected to the transmission mechanism through a low-speed coupling, and the transmission mechanism is connected to the transmission shaft of the air compressor through a high-speed coupling.

[0010] In a possible implementation, the power mechanism includes a driving member and a controller; the controller is configured to control the rotation speed of the driving member to adjust the rotation speed of the air compressor. The transmission mechanism includes a speed increaser and a coupling. The coupling includes the high-speed coupling and the low-speed coupling. The input shaft of the speed increaser is connected to the low-speed coupling, and the output shaft of the speed increaser is connected to the transmission shaft of the air compressor through the high-speed coupling.

[0011] In a possible implementation, the air compressor includes: a rotor dynamic balance assembly, a bearing seat assembly, an intake cap, an intake gate assembly, a diffuser gate assembly, and an exhaust volute; the bearing seat assembly and the intake cap are respectively located at both ends of the rotor dynamic balance assembly, and the intake gate assembly, the diffuser gate assembly, and the exhaust volute are respectively connected to the outside of the rotor dynamic balance assembly. The rotor dynamic balance assembly is configured to make the intake gate assembly inhale air and do work on the air flow through rotational motion, so that the air flow enters the diffuser gate assembly. The diffuser gate assembly is configured to decelerate and expand the air flow to obtain pressurized gas. The exhaust volute is configured to collect the pressurized gas and discharge it to the multi-band phased array acoustic wave transmitter.

[0012] In a possible implementation, the air compressor further includes an outer gate and a centrifugal gate located outside the rotor dynamic balance assembly, and the intake gate assembly, the outer gate, the centrifugal gate, the diffuser gate assembly, and the exhaust volute are connected in sequence.

[0013] In a possible implementation, the air compressor further includes a diversion basin and an intake filter assembly. The diversion basin is located on the outer wall of the rotor dynamic balance assembly; The diversion basin is configured to form an intake passage with the intake gate assembly, and the intake filter assembly is located at the intake port of the intake passage.

[0014] By means of the above technical solution, the present application provides a multi-band acoustic rain enhancement system, including an air compression device, a multi-band phased array acoustic wave transmitter, an adaptive acoustic wave focusing device, a meteorological data acquisition device, and a control device. The multi-band acoustic rain enhancement system utilizes the high-pressure air flow provided by the air compression device to assist the propagation of the acoustic wave beam, enhance the energy transmission efficiency of the acoustic wave beam in the atmosphere, and further improve the controllability and environmental adaptability of the rain enhancement effect. And through the multi-band phased array technology, precise control of the shape and direction of the acoustic wave beam can be achieved, improving the propagation efficiency and focusing ability of the acoustic wave beam in the atmosphere, thereby enhancing the rain enhancement effect. At the same time, the adaptive acoustic wave focusing device dynamically adjusts the focusing and control of the acoustic wave beam, thereby further enhancing the rain enhancement effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In combination with the accompanying drawings and with reference to the following specific embodiments, the above and other features, advantages, and aspects of the various embodiments of the present disclosure will become more apparent. Throughout the drawings, the same or similar reference numerals denote the same or similar elements. It should be understood that the drawings are schematic and the original elements and elements are not necessarily drawn to scale.

[0016] Figure 1 Schematic diagram of a multi-frequency band acoustic rain enhancement system provided by an embodiment of the present application; Figure 2 Structural diagram of an implementation manner of a multi-band phased array acoustic wave transmitter provided by an embodiment of the present application; Figure 3 Schematic structural diagram of an implementation manner of an adaptive acoustic wave focusing device 500 provided by an embodiment of the present application; Figure 4 Schematic structural diagram of an implementation manner of a meteorological data acquisition device 300 provided by an embodiment of the present application; Figure 5 Structural diagram of an implementation manner of a control device 400 provided by an embodiment of the present application; Figure 6 Schematic structural diagram of an implementation manner of an air compression device 100 provided by an embodiment of the present application; Figure 7 Schematic diagram of a structure of an air compressor provided by an embodiment of the present application; Figure 8 Schematic diagram of an implementation manner of an energy supply device provided by an embodiment of the present application. Detailed implementation manners

[0017] The embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application. The terms used in the implementation manners part of the present application are only used to explain the specific embodiments of the present application, rather than being intended to limit the present application.

[0018] The embodiments of the present application will be described below with reference to the accompanying drawings. Those skilled in the art will know that with the development of technology and the emergence of new scenarios, the technical solutions provided by the embodiments of the present application are also applicable to similar technical problems.

[0019] The terms "first", "second", etc. in the specification, claims and above-mentioned accompanying drawings of the present application are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that such terms can be interchanged under appropriate circumstances, which is only a way of distinguishing when describing objects with the same attributes in the embodiments of the present application. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion, so that a process, method, system, product or device including a series of units does not have to be limited to those units, but may include other units not clearly listed or inherent to these processes, methods, products or devices.

[0020] As Figure 1 shown, it is a schematic diagram of a multi-frequency band acoustic wave rain enhancement system provided by an embodiment of the present application. The multi-frequency band acoustic wave rain enhancement system includes, but is not limited to: an air compression device 100, a multi-frequency band phased array acoustic wave transmitter 200, a meteorological data acquisition device 300, a control device 400, and an adaptive acoustic wave focusing device 500.

[0021] Among them, the control device 400 is respectively communicatively connected to the air compression device 100, the multi-frequency band phased array acoustic wave transmitter 200, the adaptive acoustic wave focusing device 500, and the meteorological data acquisition device 300. The inlet of the multi-frequency band phased array acoustic wave transmitter 200 is connected to the gas outlet of the air compression device 100. The adaptive acoustic wave focusing device 500 is cooperatively connected to the multi-frequency band phased array acoustic wave transmitter 200.

[0022] The meteorological data acquisition device 300 is used to acquire meteorological data.

[0023] The control device 400 is used to obtain an acoustic wave emission strategy based on the meteorological data and the target area to be enhanced with rain; send the acoustic wave emission strategy to the multi-frequency band phased array acoustic wave transmitter 200; send the target area to the adaptive acoustic wave focusing device 500.

[0024] Among them, the acoustic wave emission strategy is the basis for the multi-band phased array acoustic wave transmitter to generate the acoustic wave beam; the target area is the basis for the adaptive acoustic wave focusing device to focus the acoustic wave beam.

[0025] Exemplarily, the frequencies corresponding to multiple acoustic wave emission groups can be determined based on cloud droplet size and meteorological data to optimize the effect of the acoustic wave beam on cloud droplets. The selection of the frequency mainly depends on the size of the cloud droplets to be excited; larger cloud droplets require lower frequencies, while smaller cloud droplets require higher frequencies. The change in temperature can affect the propagation speed and attenuation of the acoustic wave beam. Wind speed and wind direction affect the propagation path and beam direction of the acoustic wave beam.

[0026] Exemplarily, based on the current ambient wind speed, current ambient wind direction, and cloud layer position, the phase differences corresponding to multiple acoustic wave emission groups can be adjusted to change the direction of the acoustic wave beam in real time, ensuring that the acoustic wave energy effectively reaches the target area.

[0027] Exemplarily, based on the cloud layer thickness, the distance between the multi-band acoustic wave rain enhancement system and the cloud layer, and the expected rain enhancement effect, the powers corresponding to multiple acoustic wave emission groups can be determined to ensure that the acoustic wave beam has sufficient energy to stimulate cloud droplet condensation.

[0028] Exemplarily, the cloud droplet size can be monitored based on images or determined manually.

[0029] Exemplarily, a correspondence table of cloud droplet size, meteorological data, and the frequencies corresponding to multiple acoustic wave emission groups can be preset, so that the frequencies corresponding to multiple acoustic wave emission groups can be queried based on real-time meteorological data and real-time cloud droplet size. Exemplarily, a correspondence table of ambient wind speed, ambient wind direction, cloud layer position, and the phase differences corresponding to multiple acoustic wave emission groups can be preset, so that the phase differences corresponding to multiple acoustic wave emission groups can be queried from this table based on real-time ambient wind speed, ambient wind direction, and cloud layer position. Exemplarily, a correspondence table of cloud layer thickness, the distance between the multi-band acoustic wave rain enhancement system and the cloud layer, expected rain enhancement effect, and the powers corresponding to multiple acoustic wave emission groups can be preset, so that the powers corresponding to multiple acoustic wave emission groups can be found based on real-time cloud layer thickness, distance to the cloud layer, and expected rain enhancement effect.

[0030] Exemplarily, the control device 400 is further configured to obtain an air injection intensity strategy based on the meteorological data and the target area; send the air injection intensity strategy to the air compression device 100. Send the air injection intensity strategy to the air compression device 100. The air injection intensity strategy is the basis for the air compression device to pressurize the air.

[0031] It is understandable that the propagation efficiency of the acoustic wave beam in the atmosphere is affected by various meteorological data, such as the current ambient temperature, the current ambient humidity, the current ambient wind speed, the current ambient air pressure, etc. These meteorological data may cause attenuation and scattering of the acoustic wave beam, reducing the energy efficiency of the acoustic wave beam in long-distance propagation. Based on this, the embodiments of the present application collect meteorological data through a meteorological data acquisition device and determine an acoustic wave emission strategy based on the meteorological data, so as to further adjust the frequency and power of the acoustic wave beam generated by the multi-band phased array acoustic wave transmitter, in order to reduce the impact of meteorological data on the acoustic wave beam.

[0032] An air compression device 100 for pressurizing air and outputting the pressurized air through the gas outlet of the air compression device.

[0033] Exemplarily, the air compression device 100 is specifically configured to pressurize air based on the air injection intensity strategy and output the pressurized air through the gas outlet of the air compression device.

[0034] A multi-band phased array acoustic wave transmitter 200 for generating an acoustic wave beam. The structure of the multi-band phased array acoustic wave transmitter will be described below.

[0035] As Figure 2 shown, it is a structural diagram of an implementation manner of the multi-band phased array acoustic wave transmitter provided by the embodiments of the present application.

[0036] As Figure 2 shown, the array acoustic wave transmitter 200 includes a plurality of acoustic wave emission groups 201 and a central controller 202.

[0037] Each of the acoustic wave emission groups 201 includes an acoustic wave emission unit 2011, a phase adjustment unit 2012 communicatively connected to the acoustic wave emission unit, and an amplifier 2013.

[0038] The central controller 202 is communicatively connected to the phase adjustment unit and the acoustic wave emission unit in each of the acoustic wave emission groups respectively.

[0039] The central controller 202 is configured to obtain the frequencies, powers, and phases respectively corresponding to the plurality of acoustic wave emission groups based on the acoustic wave emission strategy and the target area.

[0040] Exemplarily, the higher the power of the acoustic wave beam, the farther the acoustic wave beam propagates and the more significant the effect. In the rain enhancement system, the acoustic wave beam can more effectively stimulate the condensation of cloud droplets.

[0041] Exemplarily, in a phased array composed of multiple acoustic wave transmitting units 2011, the powers corresponding to different acoustic wave transmitting groups can be different or the same to form a desired beam shape and width, such as forming a narrow beam or a focused beam. By adjusting the power corresponding to each acoustic wave transmitting group, the multi-band acoustic wave rainfall enhancement system can enhance the acoustic wave intensity in a specific direction while reducing the radiation in other directions, enhancing the directivity and efficiency.

[0042] Exemplarily, the central controller 202 includes: a frequency control module, a phase control module, and a power control module; wherein, the frequency control module is configured to obtain the frequencies of the acoustic wave beams to be generated by multiple acoustic wave transmitting groups from the acoustic wave transmitting strategy; the phase control module is configured to obtain the phases of the acoustic wave beams to be generated by multiple acoustic wave transmitting groups from the acoustic wave transmitting strategy; the power control module is configured to obtain the frequencies of the acoustic wave beams to be generated by multiple acoustic wave transmitting groups from the acoustic wave transmitting strategy.

[0043] Each acoustic wave transmitting unit 2011 in each of the acoustic wave transmitting groups 201 is configured to obtain an acoustic wave beam having the corresponding frequency, phase, and power of the acoustic wave transmitting group.

[0044] Exemplarily, the frequencies of the acoustic wave beams emitted by different acoustic wave transmitting groups may be different or the same. The phases of the acoustic wave beams emitted by different acoustic wave transmitting groups are different.

[0045] Exemplarily, the multiple acoustic wave transmitting units 2011 constituting the phased array emit acoustic wave beams of the same frequency. This is because a unified frequency can better achieve coherent superposition and direction control.

[0046] Exemplarily, the acoustic wave transmitting unit includes a piezoelectric transducer, and the piezoelectric transducer can convert an electrical signal into an acoustic wave beam.

[0047] Exemplarily, the amplifier is used to enhance the signal intensity, that is, the power obtained by the corresponding central controller 202. Exemplarily, the acoustic wave transmitting unit can receive the phase control signal sent by the phase adjustment unit and can receive the enhanced signal of the amplifier, so as to generate and emit an acoustic wave beam with the corresponding frequency, power, and phase.

[0048] Exemplarily, the central controller 202 can adjust the phase difference of the acoustic wave beams to be emitted by each acoustic wave transmitting group through the phase control module to form a controllable acoustic wave beam.

[0049] During the operation of the multi - band acoustic rain enhancement system, the central controller 202 generates control signals that can adjust the frequency, phase, and power of the acoustic wave beams to be emitted by the acoustic wave emission group. The acoustic wave emission unit 2011 receives the control signals, and the amplifier 2013 enhances the electrical signals and converts them into acoustic wave beams with corresponding intensities / powers. The phase adjustment unit 2012 adjusts the phase of each acoustic wave emission unit 2011 according to the control signals of the central controller 202, so that the acoustic wave beams emitted by multiple acoustic wave emission units 2011 are superimposed to form the required sound field shape and directivity, thereby improving the propagation efficiency and propagation effect of the acoustic wave beams in the atmosphere, and thus enhancing the rain enhancement effect.

[0050] By introducing an appropriate phase difference between multiple acoustic wave emission units 2011 that form a phased array, the acoustic wave beams emitted by different acoustic wave emission units 2011 can interfere with each other, such as constructive interference and destructive interference. By controlling the phase difference, the interference effect of the acoustic wave beams can be enhanced in a specific direction to form a main beam and reduced in other directions, thereby realizing the directivity control of the beam. Utilizing this characteristic, by adjusting the phase difference of multiple acoustic wave emission units 2011, the direction of the acoustic wave beam can be quickly changed without the need to move the multi - band phased array acoustic wave transmitter 200.

[0051] In summary, the frequencies, phases, and powers corresponding to multiple acoustic wave emission groups 201 can be dynamically set according to real - time meteorological data, enhancing the propagation direction, intensity, and effect of the acoustic wave beams.

[0052] The adaptive acoustic wave focusing device 500 is used to focus the acoustic wave beams respectively generated by the multiple acoustic wave emission groups to the target area.

[0053] The acoustic rain enhancement method in the related art faces relatively large energy losses during long - distance propagation, and it is necessary to increase the transmission power or optimize the shape of the acoustic wave beam to improve the propagation efficiency. During the rain enhancement process, the aggregation and orientation of the acoustic wave beam are very crucial. The shape of the acoustic wave beam in the related art cannot adapt to complex meteorological data and dynamic cloud structures, which may lead to unstable rain enhancement effects or failure to achieve the expected effects. Therefore, in this application, the phase of the acoustic wave beam generated by the multi - band phased array acoustic wave transmitter 200 is adjusted in real - time according to meteorological data and the target area to adjust the shape and direction of the acoustic wave beam; exemplarily, in this application, the direction of the acoustic wave beam can also be adjusted by the adaptive acoustic wave focusing device in real - time according to meteorological data and the target area, so as to cope with real - time changing weather conditions.

[0054] The embodiment of the present application provides a multi - band acoustic wave rain enhancement system, which includes an air compression device, a multi - band phased array acoustic wave transmitter, an adaptive acoustic wave focusing device, a meteorological data acquisition device, and a control device. The multi - band acoustic wave rain enhancement system utilizes the high - pressure air flow provided by the air compression device to assist the propagation of the acoustic wave beam, enhance the energy transmission efficiency of the acoustic wave beam in the atmosphere, and further improve the controllability and environmental adaptability of the rain enhancement effect. And through the multi - band phased array technology, precise control of the shape and direction of the acoustic wave beam can be achieved, improving the propagation efficiency and focusing ability of the acoustic wave beam in the atmosphere, thereby enhancing the rain enhancement effect. At the same time, the adaptive acoustic wave focusing device dynamically adjusts the focusing and control of the acoustic wave beam, thereby further enhancing the rain enhancement effect.

[0055] Exemplarily, the multiple acoustic wave emitting units 2011 include multiple high - frequency acoustic wave emitting units and multiple low - frequency acoustic wave emitting units. Exemplarily, the high - frequency acoustic wave emitting unit is used to generate high - frequency acoustic waves higher than the first frequency; the low - frequency acoustic wave emitting unit is used to generate low - frequency acoustic waves lower than or equal to the second frequency, and the second frequency is lower than the first frequency.

[0056] Exemplarily, the range of the high - frequency acoustic waves can be from 10 kHz to 50 kHz, that is, the first frequency can be 10 kHz.

[0057] Exemplarily, the range of the low - frequency acoustic waves can be from 20 Hz to 200 Hz, that is, the second frequency can be 200 Hz.

[0058] The high - frequency acoustic waves and the low - frequency acoustic waves act together to generate an acoustic wave field that can stimulate the condensation of water vapor in the cloud. The high - frequency acoustic waves are used to disturb the water vapor molecules, and by changing the frequency and amplitude, the water vapor in the cloud is stimulated. The low - frequency acoustic waves assist the high - frequency acoustic waves in water vapor condensation, increasing the condensation effect.

[0059] The structure of the high - frequency acoustic wave emitting unit will be described below. Exemplarily, the high - frequency acoustic wave emitting unit includes but is not limited to: a piezoelectric ceramic oscillator and an oscillation circuit. The oscillation circuit generates an electrical signal and transmits it to the piezoelectric ceramic oscillator through a wire. After receiving the electrical signal, the piezoelectric ceramic oscillator uses the piezoelectric effect to convert it into mechanical vibration and generate high - frequency acoustic waves.

[0060] The piezoelectric ceramic oscillator, as the core component, is used to convert electrical energy into high - frequency acoustic waves. The piezoelectric ceramic oscillator is composed of multiple independent units arranged in an array to increase the coverage range of the acoustic waves. Each oscillator is made of high - strength ceramic material and has high - frequency vibration characteristics. The oscillation circuit is used to provide a high - frequency electrical signal to drive the piezoelectric ceramic oscillator to work. This oscillation circuit includes an oscillator, an amplifier, and a filter to ensure a stable high - frequency output.

[0061] The structure of the low - frequency acoustic wave emitting unit will be described below.

[0062] The low-frequency acoustic wave emitting unit includes an electromagnetic oscillator and a low-frequency oscillation circuit. Among them, the electromagnetic oscillator is used to convert electrical energy into low-frequency acoustic waves, usually composed of a coil and a magnet. The coil is made of high-temperature resistant materials and can work under strong magnetic fields. The low-frequency oscillation circuit is used to generate electrical signals to drive the electromagnetic oscillator. The low-frequency oscillation circuit includes a low-frequency oscillator, an amplifier, and a filter to ensure the stable output of low-frequency acoustic waves.

[0063] The use of low-frequency acoustic waves to assist high-frequency acoustic waves in water vapor condensation is a technology that utilizes the characteristics of acoustic waves to promote the condensation of water vapor into droplets. The low-frequency acoustic waves have a longer wavelength and stronger penetration ability, and can affect a large area of the air region. Through large-scale low-frequency vibrations, the low-frequency acoustic waves can disturb the water vapor molecules in the clouds and the air. By vibrating the low-frequency acoustic waves, the water vapor molecules in a large area of the air region are disturbed. This large-scale vibration can increase the kinetic energy of the water vapor molecules and the probability of their collision, making it easier for the water vapor molecules to come into contact and collide. The high-frequency acoustic waves have a more concentrated energy and can provide a stronger local disturbance. The high-frequency acoustic waves provide a higher energy density in a local area, further enhancing the kinetic energy and collision intensity of the water vapor molecules, thus promoting the initial formation of water droplets.

[0064] When the low-frequency acoustic waves and high-frequency acoustic waves propagate in the air, standing waves may be formed. The pressure changes at the nodes and antinodes of the standing waves can further promote the condensation of water vapor. The standing wave effect will cause local high-pressure regions and low-pressure regions to appear in the air. This pressure change helps the aggregation and growth of water droplets. The low-frequency acoustic waves can cause large pressure fluctuations in the air. This fluctuation makes the water vapor molecules continuously move between the pressure peaks and valleys, thus increasing the chance of collision. The low-frequency acoustic waves provide more favorable conditions for the high-frequency acoustic waves. By increasing the contact frequency of the water vapor molecules, the promotion effect of the high-frequency acoustic waves on the condensation of water droplets is enhanced. Through the synergistic effect, the low-frequency acoustic waves and high-frequency acoustic waves together improve the efficiency of water vapor condensation in the air, making it easier to form water droplets, and thus increasing the possibility of rainfall.

[0065] The structure of the adaptive acoustic wave focusing device will be described below.

[0066] As Figure 3 shown, it is a schematic structural diagram of an implementation manner of the adaptive acoustic wave focusing device 500 provided by the embodiment of the present application. The adaptive acoustic wave focusing device includes, but is not limited to: a bracket and a plurality of reflection devices provided on the bracket.

[0067] Each of the reflection devices includes a reflection lens 501 and an electronic control device 502 connected to the reflection lens; the electronic control devices in the multiple reflection devices are communicatively connected to the control device. The electronic control device 502 in each of the reflection devices is configured to adjust the position of the reflection lens belonging to the same reflection device based on the target area; so that the adaptive acoustic focusing device focuses the acoustic wave beams respectively generated by the multiple acoustic wave emission groups on the target area.

[0068] The adaptive acoustic focusing device 500 is cooperatively connected with the multi-band phased array acoustic wave transmitter 200. The acoustic wave beams are dynamically focused by the adaptive acoustic focusing device 200 and concentrated on the target area. Specifically, the acoustic wave beams are focused on the target area through the reflection of the reflection lens 501, realizing dynamic acoustic wave adjustment and focusing.

[0069] Exemplarily, the reflection lens 501 is usually composed of dozens or even hundreds of small reflection lenses, and each small reflection lens 501 can be independently adjusted. Exemplarily, the small reflection lenses are made of lightweight, corrosion-resistant and optically transparent materials, such as special alloys, glass or plastics.

[0070] Exemplarily, the bracket is a base structure for supporting and fixing the reflection lens 501.

[0071] Exemplarily, the electronic control device 502 includes a feedback sensor 5021 and a drive motor 5022.

[0072] Exemplarily, the reflection lens 501 is mounted on the drive motor 5022. Exemplarily, the drive motor 5022 drives the rotation of the reflection lens 501 by rotating.

[0073] Exemplarily, the feedback sensor 5021 is mounted on the periphery of the reflection lens 501 or on the acoustic wave propagation path.

[0074] Exemplarily, the feedback sensor 5021 is configured to monitor the actual position of the reflection lens belonging to the same reflection device as the electronic control device. For example, monitor the actual position such as the actual orientation and angle of the reflection lens 501, and feedback the actual position to the control device 400.

[0075] Exemplarily, the drive motor 5022 is configured to drive the reflection lens to rotate from the actual position to the position corresponding to the direction of the target area.

[0076] Exemplarily, the feedback sensor 5021 acquires real-time data on the propagation of the acoustic wave beam and transmits it to the control device 400. The control device 400 analyzes the meteorological data using a preset control algorithm and generates an acoustic wave emission strategy. Subsequently, the control device sends position adjustment instructions to the drive motor 5022 corresponding to each reflecting lens 501 through the electronic control device 502. The drive motor 5022 responds to the position adjustment instructions to dynamically adjust the azimuth and angle of the reflecting lens 501, ensuring that the energy of the acoustic wave beam is concentrated in the target area for predetermined rainfall enhancement, thereby improving the accuracy and energy efficiency of the rainfall enhancement effect. And by precisely focusing the acoustic wave, it is ensured that the acoustic wave energy is transmitted into the cloud to the maximum extent, promoting the collision and condensation of water droplets in the cloud, thereby enhancing the precipitation effect.

[0077] Exemplarily, the preset control algorithm can be an adaptive control (MRAC) model, a self-tuning control (Self-Tuning Control, STC) model, or an incremental adaptive control model.

[0078] In the embodiment of the present application, the actual position of the reflecting lens provided by the feedback sensor is used to calculate the mirror adjustment parameters. The mirror adjustment parameters include: angle and curvature; the curvature and angle of the reflecting lens are changed through the electronic control device, so that the acoustic wave beam is reflected by the reflecting lens, and further the purpose of adjusting the propagation direction and focal position of the acoustic wave beam is achieved.

[0079] The structure of the meteorological data acquisition device will be described below.

[0080] As Figure 4 shown, it is a schematic structural diagram of an implementation manner of the meteorological data acquisition device 300 provided by the embodiment of the present application. The meteorological data acquisition device includes: a temperature sensor 301, a humidity sensor 302, a wind speed sensor 303, and a barometric pressure sensor 304. Among them, the temperature sensor, the humidity sensor, the wind speed sensor, and the barometric pressure sensor are respectively communicatively connected to the control device.

[0081] Among them, the temperature sensor 301 is used to measure the current ambient temperature.

[0082] The humidity sensor 302 is used to measure the current ambient humidity.

[0083] The wind speed sensor 303 is used to measure the current ambient wind speed.

[0084] The barometric pressure sensor 304 is used to measure the current ambient barometric pressure.

[0085] Exemplarily, after the meteorological data acquisition device 300 acquires the meteorological data, it can send the meteorological data to the control device, so that the control device executes the step of "obtaining an acoustic wave emission strategy based on the meteorological data and the target area for rainfall enhancement".

[0086] The structure of the control device will be described below.

[0087] As Figure 5 shown, it is a structural diagram of an implementation manner of the control device 400 provided by an embodiment of the present application. The control device includes: a data processing device 501, a data storage device 502, and a cloud server 503, where: The data processing device 501 is configured to obtain the meteorological data collected by the meteorological data collection device; obtain the acoustic wave emission strategy based on the meteorological data and the target area; send the acoustic wave emission strategy to the multi-band phased array acoustic wave transmitter; send the target area to the adaptive acoustic wave focusing device; the meteorological data includes the current ambient temperature, the current ambient humidity, the current ambient wind speed, and the current ambient air pressure.

[0088] The data storage device 502 is configured to store the meteorological data and the operation logs of the multi-band acoustic wave rain enhancement system; send the meteorological data and the operation logs to the cloud server.

[0089] Exemplarily, remote monitoring and operation can be realized through the cloud server 503, providing real-time monitoring and remote control capabilities. In addition, through the cloud server 503, remote monitoring and operation functions can also be provided, allowing users to monitor the status of the multi-band acoustic wave rain enhancement system in real time through a mobile phone or a tablet computer and adjust the rain enhancement strategy.

[0090] In an alternative implementation manner, the meteorological data of the current environment collected by the meteorological data collection device 300, such as humidity, temperature, atmospheric pressure, wind speed, and wind direction, is transmitted to the data processing device 501 in real time. The data processing device 501 detects whether the meteorological data meets the preset rainfall excitation conditions, and then issues corresponding control instructions to the air compression device and the adaptive acoustic wave focusing device 500 to achieve dynamic adjustment.

[0091] Exemplarily, the control instruction may include an instruction for controlling the air compression device and the adaptive acoustic wave focusing device 500 to switch from a non-working state to a working state.

[0092] Exemplarily, the control instruction may include an instruction for controlling the air compression device and the adaptive acoustic wave focusing device 500 to switch from a working state to a non-working state.

[0093] The process of the control device 400 monitoring whether the meteorological data meets the preset rainfall excitation conditions will be described by way of example below.

[0094] Exemplarily, the preset rainfall excitation conditions include: a preset humidity condition, a preset temperature condition, a preset air pressure condition, and a preset wind speed condition. The meteorological data includes: the current ambient humidity, the current ambient temperature, and the current ambient air pressure.

[0095] Exemplarily, the preset humidity condition is that the current ambient humidity is greater than or equal to a preset humidity threshold. It can be understood that a certain humidity level, such as 60% - 80%, is required to effectively promote the condensation of water droplets. Exemplarily, the preset humidity threshold is 75%.

[0096] Exemplarily, the preset temperature condition is that the current ambient temperature belongs to a preset temperature range. Exemplarily, the preset temperature range can be between 0°C and 30°C. Because too low or too high a temperature may affect the formation of water droplets or the propagation of sound waves.

[0097] Exemplarily, the preset air pressure condition is that the current ambient air pressure belongs to a preset air pressure range. Exemplarily, the preset air pressure range can be from 980 hPa to 1020 hPa.

[0098] Exemplarily, the preset wind speed condition includes that the current ambient wind speed is lower than or equal to a preset wind speed threshold. It can be understood that too high a wind speed will interfere with the sound wave beam and the air jet effect.

[0099] Exemplarily, the preset wind speed threshold can be 10 m / s.

[0100] Exemplarily, if the current ambient humidity is greater than or equal to the preset humidity threshold, and the current ambient temperature belongs to the preset temperature range, and the current ambient air pressure belongs to the preset air pressure range, and the current ambient wind speed is lower than or equal to the preset wind speed threshold, it is determined that the meteorological data meets the preset rainfall excitation conditions; otherwise, it is determined that the meteorological data does not meet the preset rainfall excitation conditions.

[0101] The structure of the air compression device 100 will be described below.

[0102] As Figure 6 shown, it is a schematic structural diagram of an implementation manner of the air compression device 100 provided by an embodiment of the present application. The air compression device includes: an air compressor 101, a power mechanism, and a transmission mechanism. Among them, the power mechanism is connected to the transmission mechanism through a low-speed coupling 104, and the transmission mechanism is connected to the transmission shaft of the air compressor through a high-speed coupling 102.

[0103] The power mechanism includes a driving member 105 and a controller 106. The controller 106 is used to control the driving state of the driving member 105. Therefore, the rotation speed of the driving member 105 can be controlled through the controller 106, so as to adjust the rotation speed of the air compressor. As an example, the driving member 105 can be an electric motor, an internal combustion engine, a ground gas turbine, an aviation turboshaft or a turboprop engine. The controller 106 can adopt a frequency converter, and the rotation speed of the variable-frequency motor can be adjusted by adjusting the frequency of the frequency converter, so as to achieve the purpose of adjusting the rotation speed of the air compressor, and further adjust the pressure ratio and gas flow rate of the air compressor. The driving member 105 can be fixed on the motor support by bolts, and the motor support can be fixed on the test platform by anchor bolts.

[0104] The transmission mechanism includes a speed increaser 103 and a coupling. The coupling includes a high-speed coupling 102 and a low-speed coupling 104. The input shaft of the speed increaser 103 is connected to the low-speed coupling 104, and the output shaft of the speed increaser 103 is connected to the transmission shaft of the air compressor through the high-speed coupling 102.

[0105] The power mechanism is connected to the input shaft of the speed increaser 103 of the transmission mechanism through the low-speed coupling 104, so as to drive the speed increaser 103 to rotate. The speed increaser 103 increases the rotation speed of the input shaft according to a certain transmission ratio through several gears inside it, and outputs the increased rotation speed from the output shaft. The output shaft of the speed increaser 103 is connected to the transmission shaft of the air compressor through the high-speed coupling 102, so the air compressor can be driven to rotate. By driving the transmission mechanism through the power mechanism to increase the rotation speed, the air compressor can be driven to rotate at a high speed, which plays a role in increasing the air flow pressure.

[0106] In addition, during the operation of the transmission mechanism, the gears in the speed increaser 103 need to be lubricated and cooled, and the bearings also need lubricating oil. Therefore, in the embodiment of the present application, a lubricating oil station is provided for the speed increaser 103 to provide lubricating oil for lubrication and cooling. The speed increaser 103 and the lubricating oil station of the speed increaser 103 are connected to the test platform through supports and bolts. If the lubricating oil grades and lubrication parameters of the lubricating oil station of the air compressor and the lubricating oil station of the speed increaser are the same or similar, the air compressor and the speed increaser can share the same lubricating oil station.

[0107] The above air compression device is composed of an air compressor, a power mechanism, and a transmission mechanism. The power mechanism is connected to the transmission mechanism through a low-speed coupling 104, and the transmission mechanism is connected to the drive shaft of the air compressor through a high-speed coupling 102. The power mechanism drives the transmission mechanism to increase the rotational speed, thereby driving the air compressor to rotate at a high speed, which plays a role in increasing the air flow pressure. Thus, by adjusting the rotational speed, the flow rate and air pressure ratio can be adjusted. The higher the rotational speed, the greater the gas flow rate and the higher the air pressure ratio. It can realize the real-time adjustment of air pressure intensity, gas flow rate, and air pressure ratio, improve the high-pressure air conversion efficiency of the supercharging system, and meet the requirements for high-pressure gas in different specific scenarios. Moreover, the structure of the supercharging system is reliable and has high stability, and it can be applied to some scenarios with strict requirements on the volume of acoustic devices, with a wide application range and strong mobility.

[0108] The structure of the air compressor will be illustrated by way of example below.

[0109] As Figure 7 shown, it is a schematic diagram of a structure of the air compressor provided by an embodiment of the present application. The air compressor includes a rotor dynamic balance assembly 1, a bearing housing assembly 2, an intake cap 13, an intake valve assembly 3, a diffuser valve assembly 4, and an exhaust volute 5.

[0110] The bearing housing assembly 2 and the intake cap 13 are respectively located at both ends of the rotor dynamic balance assembly 1, and the intake valve assembly 3, the diffuser valve assembly 4, and the exhaust volute 5 are respectively connected and matched to the outside of the rotor dynamic balance assembly 1.

[0111] Through the rotational movement of the rotor dynamic balance assembly 1, the intake valve assembly 3 sucks air from the atmosphere, and the rotor dynamic balance assembly 1 can do work on the air flow by means of blades, and then the air flow enters the diffuser valve assembly 4. In the diffuser valve assembly 4, the air flow is decelerated and diffused, so that the velocity of the air flow can be converted into a static pressure rise, further increasing the gas pressure, and pressurized gas can be obtained. Finally, the pressurized gas can be collected by the exhaust volute 5 and discharged into the acoustic generator 200. The air compressor is supported by the exhaust volute and the volute base and installed on the test platform.

[0112] In an alternative implementation, the air compressor further includes: an outer casing 6 and a centrifugal casing 7, wherein the outer casing 6 and the centrifugal casing 7 are arranged outside the rotor dynamic balance assembly 1. The intake casing assembly 3, the outer casing 6, the centrifugal casing 7, the diffuser casing assembly 4, and the exhaust volute 5 are arranged in sequence and connected.

[0113] In an alternative implementation, the air compressor 100 further includes a flow guiding basin 8 and an intake air filter assembly 9. The flow guiding basin 8 is disposed on the outer wall of the end of the rotor dynamic balance assembly 1 close to the intake hood 13, so that an intake air passage is formed between the flow guiding basin 8 and the intake casing assembly 3. The intake air filter assembly 9 is located at the intake port of the intake air passage. Among them, the flow guiding basin 8 is used for guiding the flow, so as to improve the intake effect. The intake air filter assembly 9 is used for filtering impurities in the air, preventing them from entering the air compressor along with the gas, and reducing other influencing factors.

[0114] In an alternative implementation, the multi-band acoustic rain enhancement system further includes: an energy supply device 600. The energy supply device 600 is respectively connected to the meteorological data acquisition device, the air compression device, the multi-band phased array acoustic wave transmitter, the adaptive acoustic wave focusing device, and the control device, so as to supply energy to the meteorological data acquisition device, the air compression device, the multi-band phased array acoustic wave transmitter, the adaptive acoustic wave focusing device, and the control device.

[0115] The structure of the energy supply device will be described below.

[0116] As Figure 8 shown, it is a schematic diagram of an implementation manner of the energy supply device provided by an embodiment of the present application. The energy supply device includes but is not limited to: a solar panel 601, a solar controller 602, and an energy storage device 603. Among them, the solar controller 602 is connected to the solar panel 601 through a cable; the energy storage device 603 is connected to the control device 602 through a cable.

[0117] Exemplarily, the solar controller 602 can be an MPPT (Maximum Power Point Tracking, solar charge and discharge controller) solar controller. The working principle of the energy supply device will be described below.

[0118] The solar panel 601 converts solar energy into electrical energy. The MPPT solar controller optimizes energy utilization. The energy storage device 403 stores electrical energy to ensure that the multi-band acoustic rain enhancement system continues to be powered when there is no sunlight. Using the solar panel 401 for energy supply is energy-saving and environmentally friendly.

[0119] Exemplarily, the solar panel 601 uses monocrystalline silicon or polycrystalline silicon solar cells, which are high-efficiency energy conversion components, covered under the protective glass, and installed on a bracket with an adjustable angle. The bracket drives the solar panel 401 to be adjusted in real time according to the illumination angle.

[0120] Exemplarily, the solar controller adopts an MPPT solar controller, which, as a maximum power point tracking controller, improves the energy utilization rate of the solar panel 601. The MPPT solar controller realizes maximum power output by monitoring and adjusting the working point in real time.

[0121] Exemplarily, the energy storage device 603 includes a lithium battery pack and a BMS (Battery Management System). The lithium battery pack includes a plurality of 18650 lithium battery cells and can provide long-term continuous power supply. The lithium battery pack is equipped with a BMS, which can monitor the voltage, current, and temperature of the lithium battery pack, provide overcharge, over-discharge, and overheat protection, monitor the state of the lithium battery pack, and protect the safety of the lithium battery pack.

[0122] In addition, it should be noted that the device embodiments described above are merely illustrative. 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 to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. In addition, in the attached drawings of the device embodiments provided in this application, the connection relationship between modules indicates that they have a communication connection, which can be specifically implemented as one or more communication buses or signal lines.

[0123] Through the description of the above embodiments, those skilled in the art can clearly understand that this application can be implemented by means of software plus necessary general hardware, and of course, it can also be implemented by dedicated hardware including application-specific integrated circuits, dedicated CPUs, dedicated memories, dedicated components, etc. Generally, functions completed by computer programs can be easily implemented by corresponding hardware, and the specific hardware structures used to implement the same function can also be various, such as analog circuits, digital circuits, or dedicated circuits. However, for this application, in more cases, software program implementation is a better implementation method. Based on such an understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, can be embodied in the form of a software product. This computer software product is stored in a readable storage medium, such as a floppy disk, USB flash drive, mobile hard disk, ROM, RAM, magnetic disk, or optical disc of a computer, and includes several instructions to enable a computer device (which can be a personal computer, training device, or network device, etc.) to execute the methods described in various embodiments of this application.

[0124] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware, or any combination thereof. When implemented using software, it can be implemented in whole or in part in the form of a computer program product.

[0125] The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the processes or functions described in the embodiments of the present application are generated in whole or in part. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another, for example, the computer instructions may be transmitted from one website, computer, training device, or data center to another website, computer, training device, or data center by wire (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wirelessly (such as infrared, wireless, microwave, etc.). The computer-readable storage medium may be any available medium that a computer can store or a data storage device such as a training device or data center that includes one or more integrated available media. The available medium may be a magnetic medium (such as a floppy disk, hard disk, magnetic tape), an optical medium (such as a DVD), or a semiconductor medium (such as a solid state disk (SSD)).

Claims

1. A multi-band acoustic rain enhancement system, characterized in that: include: A meteorological data collection device, used for collecting meteorological data; A control device that is respectively connected to the air compression device, the multi-band phased array acoustic wave transmitter, the adaptive acoustic wave focusing device and the meteorological data acquisition device, and is used to obtain an acoustic wave emission strategy based on the meteorological data and the target area to be rained; send the acoustic wave emission strategy to the multi-band phased array acoustic wave transmitter; send the target area to the adaptive acoustic wave focusing device; The acoustic wave emission strategy is the basis for the multi-band phased array acoustic wave transmitter to generate an acoustic wave beam; the target area is the basis for the adaptive acoustic wave focusing device to focus the acoustic wave beam; The air compression device is used to pressurize the air and output the pressurized air through the gas outlet of the air compression device; The multi-band phased array acoustic wave transmitter, the inlet of which is connected to the gas outlet of the air compression device, comprises a plurality of acoustic wave transmitting groups, each of which comprises an acoustic wave transmitting unit, a phase adjustment unit and an amplifier which are communicatively connected to the acoustic wave transmitting unit; a central controller which is communicatively connected to the phase adjustment unit and the acoustic wave transmitting unit in each of the acoustic wave transmitting groups respectively; The central controller is used to obtain the frequencies corresponding to the multiple sound wave emission groups, the powers corresponding to the multiple sound wave emission groups, and the phases corresponding to the multiple sound wave emission groups from the sound wave emission strategy; The acoustic wave transmitting unit in each of the acoustic wave transmitting groups is used to obtain an acoustic wave beam having a frequency, phase and power corresponding to the acoustic wave transmitting group; The adaptive acoustic wave focusing device connected to the multi-band phased array acoustic wave transmitter is used to focus the acoustic wave beams generated by the multiple acoustic wave transmitting groups to the target area.

2. The multi-band acoustic rain enhancement system according to claim 1, characterized in that: The adaptive acoustic wave focusing device comprises: Bracket; A plurality of reflecting devices are arranged on the bracket, each of the reflecting devices comprises a reflecting lens and an electric control device connected to the reflecting lens; the electric control device in the plurality of reflecting devices is in communication connection with the control device; The electronic control device in each of the reflecting devices is used to adjust the position of the reflecting lens belonging to the same reflecting device based on the target area; so that the adaptive sound wave focusing device can focus the sound wave beams generated by the multiple sound wave emission groups to the target area.

3. The multi-band acoustic rain enhancement system according to claim 2, characterized in that: The electronic control device comprises: A feedback sensor in communication with the control device, for monitoring the actual position of the reflective lens belonging to the same reflective device as the electronic control device; The driving motor connected to the control device for communication is used to drive the reflecting lens mounted on the driving motor to rotate from the actual position to a position corresponding to the target area.

4. The multi-band acoustic rain enhancement system according to any one of claims 1 to 3, characterized in that: The meteorological data collection device comprises: A temperature sensor for measuring the current ambient temperature; Humidity sensor for measuring current ambient humidity; A wind speed sensor for measuring the current ambient wind speed; A pressure sensor for measuring the current ambient air pressure; Wherein, the temperature sensor, the humidity sensor, the wind speed sensor and the air pressure sensor are respectively connected to the control device for communication.

5. The multi-band acoustic rain enhancement system according to claim 4, characterized in that: The control device includes a data processing device, a data storage device and a cloud server, wherein: The data processing device is used to obtain the meteorological data collected by the meteorological data collection device; obtain the sound wave emission strategy based on the meteorological data and the target area; send the sound wave emission strategy to the multi-band phased array sound wave transmitter; send the target area to the adaptive sound wave focusing device; the meteorological data includes the current ambient temperature, the current ambient humidity, the current ambient wind speed and the current ambient air pressure; The data storage device is used to store the meteorological data and the operation log of the multi-band acoustic rain enhancement system; and send the meteorological data and the operation log to the cloud server.

6. The multi-band acoustic rain enhancement system according to claim 1, characterized in that: The air compression device comprises: An air compressor, a power mechanism and a transmission mechanism, wherein the power mechanism is connected to the transmission mechanism via a low-speed coupling, and the transmission mechanism is connected to the transmission shaft of the air compressor via a high-speed coupling.

7. The multi-band acoustic rain enhancement system according to claim 6, characterized in that: The power mechanism includes a driving member and a controller; the controller is used to control the rotation speed of the driving member to adjust the rotation speed of the air compressor; The transmission mechanism includes a speed increasing box and a coupling, the coupling includes the high-speed coupling and the low-speed coupling, the input shaft of the speed increasing box is connected to the low-speed coupling, and the output shaft of the speed increasing box is connected to the transmission shaft of the air compressor through the high-speed coupling.

8. The multi-band acoustic rain enhancement system according to claim 7, characterized in that: The air compressor comprises: a rotor dynamic balancing assembly, a bearing seat assembly, an air intake cap, an air intake brake assembly, a diffuser brake assembly and an exhaust volute; the bearing seat assembly and the air intake cap are respectively located at two ends of the rotor dynamic balancing assembly, and the air intake brake assembly, the diffuser brake assembly and the exhaust volute are respectively connected to the outside of the rotor dynamic balancing assembly; The rotor dynamic balancing assembly is used to make the air intake brake assembly suck air through rotational motion and perform work on the airflow, so that the airflow enters the diffuser brake assembly; The diffuser brake assembly is used to decelerate and diffuse the airflow to obtain pressurized gas; The exhaust volute is used to collect the pressurized gas and discharge it to the multi-band phased array acoustic wave transmitter.

9. The multi-band acoustic rain enhancement system according to claim 8, characterized in that: The air compressor further comprises an external machine brake and a centrifugal machine brake located outside the rotor dynamic balancing assembly, and the air intake machine brake assembly, the external machine brake, the centrifugal machine brake, the diffuser machine brake assembly and the exhaust volute are connected in sequence.

10. The multi-band acoustic rain enhancement system according to claim 8 or 9, characterized in that: The air compressor further comprises a guide basin and an air intake filter assembly, wherein the guide basin is located on the outer wall of the rotor dynamic balancing assembly; The guide basin is used to form an air intake passage with the air intake brake assembly, and the air intake filter assembly is located at the air inlet of the air intake passage.

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