Onboard cloud water content detection device and method

Abstract

The application relates to the technical field of airborne atmospheric detection, in particular to an airborne cloud water content detection device and method. The device comprises a single-chip microcomputer, a power adjusting circuit, a hot-wire resistance, a signal sampling circuit, a low-pass filter circuit, a temperature sensor and a temperature contrast conversion circuit. The input of the signal sampling circuit is the voltage and current signals output by the hot-wire resistance, which are processed and output to the low-pass filter circuit to generate an analog signal input to the single-chip microcomputer by using the low-pass filter. The temperature contrast conversion circuit obtains a first temperature value based on the resistance value of the temperature sensor and sends the first temperature value to the single-chip microcomputer. The single-chip microcomputer adjusts the power adjusting circuit based on the temperature change value, so that the change value of the ambient temperature of the hot-wire resistance adjacent area is between a first threshold value and a second threshold value. The application controls the heat loss of the hot-wire resistance in a very small range, plays a role in improving reliable static detection, and achieves the real-time and accuracy of cloud water content detection.

Description

Technical Field

[0001] This application relates to the field of cloud water content detection technology, and in particular to an airborne cloud water content detection device and method. Background Technology

[0002] Artificial rainmaking refers to the process of artificially supplementing certain necessary conditions for precipitation formation based on the principles of natural precipitation formation, promoting the rapid condensation or collision and enlargement of cloud droplets into raindrops, which then fall to the ground. Specific operational methods involve selecting appropriate times based on the physical characteristics of different cloud layers, and using aircraft or rockets to seed clouds with catalysts such as dry ice, silver iodide, and salt powder. This induces or increases precipitation, thereby relieving or alleviating drought in farmland, increasing irrigation water volume or water supply capacity in reservoirs, or increasing water production for power generation, etc.

[0003] As an observation platform, meteorological aircraft can detect atmospheric conditions and provide relevant meteorological data for artificial rain enhancement. To achieve scientific artificial rain enhancement, operators need to detect target clouds, including their water content. Since natural clouds are dynamic, the time window from indicator detection to action execution is limited, placing higher demands on the real-time performance and accuracy of the detection. Therefore, this invention provides an airborne cloud water content detection device and method, aiming to provide onboard operators with real-time cloud water content information to assist in finding suitable catalytic operation sites. Summary of the Invention

[0004] In view of this, one of the technical problems solved by the embodiments of this application is to provide an airborne cloud water content detection device and method, which helps onboard operators to grasp cloud water content information in real time, analyze cloud status, assist them in physical research or find suitable operation windows, and improve the scientific and simple nature of artificial rain enhancement.

[0005] According to a first aspect of the embodiments of this application, an airborne cloud water content detection device is provided, the device comprising:

[0006] Microcontroller, power regulation circuit, hot wire resistor, signal sampling circuit, low-pass filter circuit, temperature sensor and temperature conversion circuit;

[0007] The input to the signal sampling circuit is the voltage and current signals output by the hot-wire resistor;

[0008] The signal sampling circuit processes the input voltage and current signals and outputs them to the low-pass filter circuit.

[0009] The low-pass filter circuit performs high-frequency filtering on the input signal and inputs the generated analog signal to the microcontroller.

[0010] The resistance of the temperature sensor is based on the linear temperature change of the area adjacent to the hot-wire resistor.

[0011] The temperature comparison conversion circuit obtains the first temperature value based on the resistance value of the temperature sensor and sends it to the microcontroller;

[0012] The microcontroller calculates the temperature change value based on the analog signal and the first temperature value, and adjusts the power regulation circuit according to the temperature change value so that the change value of the ambient temperature in the area adjacent to the hot wire resistor is between the first threshold and the second threshold.

[0013] Furthermore, the microcontroller and the host computer establish a communication connection.

[0014] Furthermore, the microcontroller sets the resistance value, first threshold, or second threshold of the power adjustment circuit based on the instruction messages from the host computer.

[0015] Furthermore, the microcontroller initializes the detection conditions in response to the instruction message from the host computer.

[0016] Furthermore, the airborne cloud water content detection equipment also includes a de-icing circuit connected to a microcontroller.

[0017] Furthermore, the signal sampling circuit isolates and tracks the input voltage and current signals, and outputs the signals to the low-pass filter circuit.

[0018] Furthermore, the hot wire resistor includes a main testing unit and an auxiliary testing unit connected in parallel. The main testing unit includes a liquid water main unit and a total water main unit; the auxiliary testing unit includes a liquid water auxiliary unit and a total water auxiliary unit; the circuit in which the hot wire resistor is located also includes a first resistor or a second resistor connected in series with the main testing unit or the auxiliary testing unit, and the resistance value of the first resistor or the second resistor is adjusted based on the power adjustment circuit.

[0019] Furthermore, the microcontroller adjusts the power regulation circuit based on temperature changes, including:

[0020] In response to the temperature change exceeding a first threshold within a first time period, the microcontroller drives the power regulation circuit to reduce the operating current of the hot wire resistor.

[0021] In response to the temperature change falling below the second threshold in the first time period, the microcontroller drives the power regulation circuit to increase the operating current of the hot wire resistor.

[0022] A second aspect of this application discloses an airborne cloud water content detection method, the method comprising:

[0023] Acquire the voltage and current signals output by the hot-wire resistor;

[0024] The voltage and current signals output by the hot-wire resistor are filtered to obtain the first analog signal, which is then sent to the microcontroller.

[0025] Obtain the resistance value of the temperature sensor located in the area adjacent to the hot wire resistor, wherein the resistance value of the temperature sensor changes linearly with temperature;

[0026] The temperature conversion circuit obtains the ambient temperature of the area adjacent to the hot wire resistor based on the resistance value of the temperature sensor and sends it to the microcontroller.

[0027] The microcontroller performs analog-to-digital conversion on the first analog signal to obtain a digital signal, and obtains the change value of the ambient temperature of the critical region of the hot wire resistor within the first time window based on the ambient temperature of the region adjacent to the hot wire resistor. Based on the temperature change value, the output of the power regulation circuit is adjusted so that the change value of the ambient temperature of the region adjacent to the hot wire resistor is between the first threshold and the second threshold.

[0028] Furthermore, before measuring cloud water content, the detection environment is initialized based on the command messages from the host computer.

[0029] Furthermore, cloud water content is obtained based on digital signals continuously collected by a microcontroller.

[0030] A third aspect of this application discloses an electronic device including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the steps of the above-described method.

[0031] A fourth aspect of this application discloses a computer-readable storage medium storing a computer program that, when executed by a processor, implements the steps of the above-described method.

[0032] This embodiment measures the actual ambient temperature of the area adjacent to the hot-wire resistor by additionally setting a temperature sensor near the hot-wire resistor. Simultaneously, it calculates the temperature change value based on continuous instantaneous temperature measurements of the hot-wire resistor. By comparing this value with a first threshold and a second threshold, the heat loss of the hot-wire resistor is controlled within a very small range. This achieves the purpose of directly monitoring the voltage and current of the hot-wire resistor to measure cloud water content. It provides a stable thermal environment, enabling precise control of the heating process by the microcontroller, and solves the problem of poor cloud water content detection accuracy caused by uncontrollable heat loss due to interference. Attached Figure Description

[0033] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0034] Figure 1 This is a block diagram of an airborne cloud water content detection device provided in one embodiment of this application;

[0035] Figure 2 A schematic diagram illustrating the process of achieving dynamic balance between heat generation and heat loss of the hot wire resistor in an airborne cloud water content detection device provided in one embodiment of this application;

[0036] Figure 3 A block diagram of an airborne cloud water content detection device provided in another embodiment of this application;

[0037] Figure 4 A schematic diagram illustrating the interaction between an airborne cloud water content detection device and a host computer, provided in another embodiment of this application;

[0038] Figure 5 A schematic diagram of the data packet format in an airborne cloud water content detection device provided in another embodiment of this application;

[0039] Figure 6 This is a flowchart illustrating an airborne cloud water content detection method provided in one embodiment of this application. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0041] It should be noted that although the functional modules are divided in the device diagram and the logical order is shown in the flowchart, in some cases, the steps shown or described may be executed in a different order than the module division in the device or the order in the flowchart.

[0042] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0043] According to one embodiment of this application, an airborne cloud water content detection device is provided, such as... Figure 1As shown, the device 100 includes: a microcontroller 10, a power adjustment circuit 20, a hot-wire resistor 30, a signal sampling circuit 40, a low-pass filter circuit 50, a temperature sensor 60, and a temperature reference conversion circuit 70. The signal sampling circuit receives the voltage and current signals output from the hot-wire resistor as input. It processes the input voltage and current signals and outputs them to the low-pass filter circuit. The low-pass filter circuit performs high-frequency filtering on the input signal and inputs the generated analog signal to the microcontroller. The resistance value of the temperature sensor is based on the linear temperature change of the area adjacent to the hot-wire resistor. The temperature reference conversion circuit obtains a first temperature value based on the resistance value of the temperature sensor and sends it to the microcontroller. The microcontroller calculates the temperature change value based on the analog signal and the first temperature value, and adjusts the power adjustment circuit accordingly to ensure that the change in ambient temperature in the area adjacent to the hot-wire resistor is between a first threshold and a second threshold. In application, the airborne cloud water content detection device is powered by a power module. The hot-wire resistor is mounted on the top of the device, and its operating current is supplied by the power module, returning voltage and current signals as input to the signal sampling circuit. Specifically, the temperature-to-resistance conversion circuit acquires temperature-related resistance signals from the temperature sensor, converts them into digital signals, and sends them to the microcontroller via serial port. Specifically, the power regulation circuit executes the microcontroller's control commands to adjust the current consumption of the hot-wire resistor, responding to real-time changes in detection conditions. In application, the power module can step down the input power provided by the weather aircraft, providing suitable chip operating voltage and reference voltage, and outputting power with controllable amplitude fluctuations. Specifically, the microcontroller completes analog signal acquisition from the low-pass filter circuit, receives digital signals from the temperature-to-resistance conversion circuit, performs condition judgment, outputs actions based on the results, drives the power regulation circuit and de-icing circuit, packages the data into packets according to the communication protocol, and uploads them to the host computer via wired communication. More specifically, the microcontroller continuously acquires and receives data, executes upload actions according to the mode set by the host computer, and switches modes upon receiving instructions. Specifically, the hot-wire resistor is the core sensor of the airborne cloud water content detection equipment; it is typically a fine filament with precise resistance made of platinum wire. When the power regulation circuit applies current to it, it heats up like a heating element. Its core task is to maintain a constant high temperature, above the ambient temperature. Specifically, the resistance of the hot-wire resistor changes with its own temperature. By measuring the current flowing through it and the voltage across its terminals using a temperature sensor, the system can calculate its real-time resistance very accurately, and thus deduce its real-time temperature. When an aircraft carrying onboard cloud water content detection equipment flies into a cloud, water droplets collide with the hot-wire resistor, carrying away heat and causing the resistor's temperature to drop sharply. To maintain a constant temperature for the hot-wire resistor, the microcontroller controls a power regulation circuit to instantaneously increase the current (power) supplied to the hot wire to compensate for the heat carried away by the evaporation of water droplets, ensuring that the change in ambient temperature in the area adjacent to the hot-wire resistor is between a first threshold and a second threshold.In application, the temperature sensor senses the ambient temperature near the hot-wire resistor, and the microcontroller, for example... Figure 2 The microcontroller determines whether the temperature change exceeds a set threshold based on temperature changes within a predetermined time interval. If it does not exceed the threshold, the microcontroller drives the power adjustment circuit to maintain its state, keeping the heat output of the hot-wire resistor within a relatively small range. If the temperature exceeds the threshold, the microcontroller determines whether the heating is insufficient. If so, meaning the temperature change is negative and exceeds the set lower limit, the microcontroller performs a heating action, driving the power adjustment circuit to increase the operating current of the hot-wire resistor. If not, meaning the temperature change is positive and exceeds the set upper limit, the microcontroller performs a cooling action, driving the power adjustment circuit to decrease the operating current of the hot-wire resistor. Specifically, the microcontroller can calculate the instantaneous resistance value based on Ohm's law for the voltage and current of the analog signal. Then, it can look up the corresponding instantaneous temperature in a table showing the resistance value and temperature correspondence of the material used in the hot-wire resistor, thus obtaining the real-time temperature fluctuation of the hot-wire resistor, such as a temperature drop of 0.5℃ within 1 millisecond. After receiving the first temperature value from the temperature conversion circuit, the microcontroller calculates the target temperature that the hot-wire resistor should reach based on a preset fixed superheat value (e.g., 100℃). Assuming the first temperature is -10℃, the target temperature is 90℃. That is, if the aircraft is flying in an environment of -10℃, the target temperature of the hot-wire resistor is 90℃. The difference between this and the instantaneous temperature value is calculated to obtain the temperature change value. Through this fast, continuous, and predictive (by rate of change) control loop, the microcontroller can overcome drastic changes in cloud water content, ultimately stabilizing the temperature change value between the first and second thresholds. This ensures that the temperature of the hot-wire resistor is infinitely close to the target temperature. Therefore, the power compensated to maintain a constant temperature is a very clean and accurate signal that can be directly used to calculate cloud water content.

[0044] This application measures the actual ambient temperature of the area adjacent to the hot-wire resistor by additionally setting a temperature sensor near the hot-wire resistor. At the same time, it calculates the temperature change value based on the continuous instantaneous temperature of the hot-wire resistor. By comparing it with a first threshold and a second threshold, the heat loss of the hot-wire resistor is controlled within a very small range, thereby achieving the purpose of directly monitoring the voltage and current of the hot-wire resistor to measure cloud water content.

[0045] In some embodiments, the microcontroller and the host computer are connected for communication. The microcontroller can establish communication with the host computer, receive and send instructions, configure and upload data and status. In application, the communication protocol between the microcontroller and the host computer can be divided into each short message including: header, content code, check code, and trailer; the header and trailer each occupy 4 bytes; the check code occupies 2 bytes; the first 2 bytes of the packet content are the type code, the 3rd and 4th bytes are the function code, the 5th and 6th bytes are the data length, and the last is the data block, the length of which is variable; the header and trailer are two different data segments, uniformly allocated by the weather aircraft's own protocol, indicating that the communication target is this device; in the content code, the type code part sets up two different data segments, indicating the communication direction, including sending from the host computer to the device and uploading from the device to the host computer; in the content code, the function code part sets up multiple different data segments, indicating function settings, including setting values, return values, control closure, control disconnection, fault transmission, etc.

[0046] In some embodiments, the airborne cloud water content detection device is further equipped with a de-icing circuit connected to a microcontroller. This de-icing circuit controls the de-icing status and establishes backup heating conditions for water content detection. The microcontroller establishes real-time communication with the host computer of the weather aircraft via wired communication. After receiving instructions, it executes the de-icing action based on the decoded content, setting the resistance value for power adjustment, temperature threshold, and uploading action heartbeat, etc. In application, when the microcontroller detects a de-icing command, it controls the de-icing circuit to perform the de-icing process.

[0047] The following is combined Figure 3 The airborne cloud water content detection equipment shown in the illustration provides a detailed description of this application. Figure 3 The device shown includes a microcontroller and a power module that supplies power to the microcontroller. The microcontroller is connected to a wired communication circuit, a temperature-to-digital converter (TD-SCDMA) circuit, a power regulation circuit, and an TD-SCDMA converter. The temperature-to-digital converter is connected to a temperature sensor, and the TD-SCDMA converter includes a signal sampling circuit and a low-pass filter circuit. Wired communication between the microcontroller and the host computer is achieved through the wired communication circuit, providing a reliable transmission path. When the hot-wire resistor moves within the target cloud, its heat loss continuously changes due to the complexity of the trajectory environment. The power drive circuit can respond quickly, increasing or decreasing the heat generated by the hot-wire resistor to maintain consistent measurement conditions. After the microcontroller is started, the host computer communicates with the microcontroller through the wired communication circuit. Figure 4As shown, the microcontroller receives parameter configurations from the host computer via a wired communication circuit. It compares these parameters with the calculated temperature value and, through a power adjustment circuit, alters the current consumption of the hot-wire resistor, affecting the heat generated and creating a dynamic balance between the heat emitted and lost. Simultaneously, the microcontroller collects the operating voltage and current parameters of the hot-wire resistor and uploads them to the host computer in real time. In application, the microcontroller first sets up a buffer space for communication with the temperature converter circuit. The microcontroller writes commands and data to the temperature converter circuit via serial port to configure its operating mode. The microcontroller clears the buffer space of the temperature converter circuit, writes commands to it, reads data from it, and receives periodically sent data values, storing them in the corresponding buffer space. Additionally, the microcontroller needs to set up another buffer space for communication with the host computer. The microcontroller receives data packets from the host computer via serial port, stores them in this buffer space, and updates relevant thresholds and status information to variables based on the configuration information. The microcontroller stores the data to be sent in this buffer space. Once the sending conditions are met, it uploads the data packet to the host computer via serial port and wired communication circuit at fixed time intervals. For example... Figure 5 As shown, the data packet format includes a header, type, function code, data length, data blocks, checksum, and trailer. The header and trailer are both 4 bytes long and have fixed content. The type occupies 2 bytes and is used to distinguish the communication direction, including sending from the host computer to the device and uploading from the device to the host computer. The function code occupies 2 bytes and is used to distinguish the function content, including hotline operating status, hotline resistance value, de-icing action, temperature threshold, fault, etc. The data blocks correspond to the data content under the function, and their length is variable.

[0048] In the above embodiments, the microcontroller sets the resistance value, a first threshold, or a second threshold of the power adjustment circuit based on the instruction messages from the host computer. In specific implementation, the host computer can generate instruction messages, including adjusting the resistance value, the first threshold, or the second threshold of the power adjustment circuit, in real time according to business requirements, and send them to the microcontroller.

[0049] In the above embodiments, the microcontroller initializes the detection conditions in response to the instruction message from the host computer. Specifically, the detection conditions are used to characterize the climatic environment of the method claimed in this application, such as enabling the device claimed in this application to detect cloud water content under conditions that meet the climatic environment.

[0050] In the above embodiments, the signal sampling circuit isolates and tracks the input voltage and current signals, and outputs the signal to the low-pass filter circuit. Isolation and tracking processes prevent high-voltage interference and ensure sampling accuracy, guaranteeing that the power signal ultimately received by the microcontroller is real, accurate, and stable, thus laying a solid foundation for calculating cloud water content. In practical applications, isolation amplifiers can be used to prevent high-voltage intrusion and protect downstream circuits. Alternatively, a voltage follower circuit composed of operational amplifiers can be used to achieve tracking processing, thereby achieving interference-free measurement and preventing signal distortion input to the low-pass filter.

[0051] In the above embodiments, the hot-wire resistor can be configured to include a main testing unit and an auxiliary testing unit connected in parallel. The main testing unit includes a liquid water main unit and a total water main unit; the auxiliary testing unit includes a liquid water auxiliary unit and a total water auxiliary unit; the circuit containing the hot-wire resistor also includes a first resistor or a second resistor connected in series with the main testing unit or the auxiliary testing unit, and the resistance value of the first resistor or the second resistor is adjusted based on the power regulation circuit. Specifically, the operating voltage of each unit of the hot-wire resistor is consistent, and the operating current is controlled by a microcontroller.

[0052] This application implements a dual-channel hot-wire probe design using a main measurement unit and an auxiliary measurement unit. On one hand, it can simultaneously and differentially measure the supercooled liquid water content and ice water content in clouds. On the other hand, the auxiliary measurement unit compensates for the influence of environmental factors, improving the accuracy and reliability of the main measurement channel. This redundant design ensures that even if one channel fails in harsh environments, the other can still provide data, increasing system reliability and achieving robustness under complex meteorological conditions. This application employs a control method, setting up main and auxiliary controls within the hot-wire resistor and in the temperature control conversion circuit, reducing data errors at the source and improving reliable static detection. It also employs a feedback method, using a power adjustment circuit to achieve real-time dynamic detection. This invention helps personnel conducting onboard operations to monitor cloud water content and analyze cloud conditions in real time, assisting in physical research or finding suitable operational windows, thus improving the scientific rigor and simplicity of artificial rain enhancement.

[0053] In practical applications, the main and auxiliary liquid water units are typically made of metal hot wires (such as platinum wire). The main liquid water hot wire resistor can be a resistance wire wound into a cylindrical shape facing the windward direction, while the auxiliary liquid water hot wire resistor is a resistance wire wound into a cylindrical shape facing the leeward direction. Both the main and auxiliary liquid water hot wire resistors are used to collect liquid water that collides with the resistor while flying through clouds. The main and auxiliary liquid water units are generally covered with a special material (such as porous ceramic) on their surfaces. This material briefly captures and melts or sublimates the impacting ice crystals.

[0054] Furthermore, the microcontroller adjusts the power regulation circuit based on temperature changes by: in response to a temperature change exceeding a first threshold within a first time period, the microcontroller drives the power regulation circuit to reduce the operating current of the hot-wire resistor; and in response to a temperature change falling below a second threshold within the first time period, the microcontroller drives the power regulation circuit to increase the operating current of the hot-wire resistor. By setting the first and second thresholds, a constant temperature state is maintained for the hot-wire resistor, allowing its temperature to approach the target temperature, providing a stable thermal environment, and enabling precise control of the heating process by the microcontroller.

[0055] One embodiment of this application provides an airborne cloud water content detection method, such as... Figure 6 As shown, the method includes steps S101 to S105.

[0056] S101: Acquire the voltage and current signals output by the hot-wire resistor;

[0057] S102: Filter the voltage and current signals output by the hot-wire resistor to obtain the first analog signal, and send it to the microcontroller;

[0058] S103: Obtain the resistance value of the temperature sensor located in the area adjacent to the hot wire resistor, wherein the resistance value of the temperature sensor changes linearly with temperature;

[0059] S104: The temperature comparison conversion circuit obtains the ambient temperature of the area adjacent to the hot wire resistor based on the resistance value of the temperature sensor and sends it to the microcontroller.

[0060] S105: The microcontroller performs analog-to-digital conversion on the first analog signal to obtain a digital signal, and obtains the change value of the ambient temperature of the critical region of the hot wire resistor within the first time window based on the ambient temperature of the region adjacent to the hot wire resistor. Based on the temperature change value, the output of the power regulation circuit is adjusted so that the change value of the ambient temperature of the region adjacent to the hot wire resistor is between the first threshold and the second threshold.

[0061] This embodiment measures the actual ambient temperature of the area adjacent to the hot-wire resistor by additionally setting a temperature sensor near the hot-wire resistor. Simultaneously, it calculates the temperature change value based on continuous instantaneous temperature measurements of the hot-wire resistor. By comparing this value with a first threshold and a second threshold, the heat loss of the hot-wire resistor is controlled within a very small range. This achieves the purpose of directly monitoring the voltage and current of the hot-wire resistor to measure cloud water content. It provides a stable thermal environment, enabling precise control of the heating process by the microcontroller, and solves the problem of poor cloud water content detection accuracy caused by uncontrollable heat loss due to interference.

[0062] In application, the method of using airborne cloud water content detection equipment can stabilize and convert the input power through the power module to provide the working voltage to the microcontroller and establish the system operation status. The microcontroller establishes real-time communication with the host computer of the meteorological aircraft through wired communication. After receiving the instruction, it performs de-icing action according to the decoded content, sets the resistance value of power adjustment, temperature threshold, and uploads the action heartbeat.

[0063] In some embodiments, the detection environment is initialized based on the instruction message from the host computer before measuring cloud water content.

[0064] In some embodiments, cloud water content is obtained based on digital signals continuously acquired by a microcontroller.

[0065] The airborne cloud water content detection device in this embodiment can execute the airborne cloud water content detection method shown in the embodiment of this application. The implementation principle is similar, and will not be described again here.

[0066] Another embodiment of this application provides an electronic device, including: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the above-described method.

[0067] Specifically, the processor can be a CPU, a general-purpose processor, a DSP, an ASIC, an FPGA, or other programmable logic device, transistor logic device, hardware component, or any combination thereof. It can implement or execute the various exemplary logic blocks, modules, and circuits described in conjunction with the disclosure of this application. The processor can also be a combination that implements computational functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, etc.

[0068] Specifically, the processor connects to the memory via a bus, which may include a path for transmitting information. The bus can be a PCI bus or an EISA bus, etc. The bus can be divided into address bus, data bus, control bus, etc.

[0069] The memory may be ROM or other types of static storage devices that can store static information and instructions, RAM or other types of dynamic storage devices that can store information and instructions, or EEPROM, CD-ROM or other optical disc storage, optical disc storage (including compressed optical discs, laser discs, optical discs, digital universal optical discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited thereto.

[0070] Optionally, the memory stores the code of a computer program that executes the scheme of this application, and the execution is controlled by a processor. The processor executes the application code stored in the memory to implement the operation of the apparatus provided in the above embodiments.

[0071] Another embodiment of this application provides a computer-readable storage medium storing computer-executable instructions for performing the methods provided in the above embodiments.

[0072] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate; that is, they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0073] It will be understood by those skilled in the art that all or some of the steps and systems in the methods disclosed above can be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components can be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application-specific integrated circuit. Such software can be distributed on a computer-readable medium, which can include computer storage media (or non-transitory media) and communication media (or transient media). As is known to those skilled in the art, the term computer storage media includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules, or other data). Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technologies, CD-ROM, digital versatile disc (DVD) or other optical disc storage, magnetic cartridges, magnetic tape, disk storage or other magnetic storage devices, or any other medium that can be used to store desired information and is accessible to a computer. Furthermore, as is known to those skilled in the art, communication media typically contain computer-readable instructions, data structures, program modules, or other data in modulated data signals such as carrier waves or other transmission mechanisms, and may include any information delivery medium.

[0074] The above is a detailed description of the preferred embodiments of this application. However, this application is not limited to the above embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of this application. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. An airborne cloud water content detection device, characterized in that, include: Microcontroller, power regulation circuit, hot wire resistor, signal sampling circuit, low-pass filter circuit, temperature sensor and temperature conversion circuit; The input to the signal sampling circuit is the voltage and current signals output by the hot-wire resistor; The signal sampling circuit processes the input voltage and current signals and outputs them to the low-pass filter circuit. The low-pass filter circuit performs high-frequency filtering on the input signal and inputs the generated analog signal to the microcontroller. The resistance of the temperature sensor is based on the linear temperature change of the region adjacent to the hot wire resistor. The temperature comparison conversion circuit obtains a first temperature value based on the resistance value of the temperature sensor and sends it to the microcontroller. The microcontroller calculates the temperature change value based on the analog signal and the first temperature value, and adjusts the power regulation circuit according to the temperature change value so that the change value of the ambient temperature in the area adjacent to the hot wire resistor is between the first threshold and the second threshold. The power compensated to maintain constant temperature is used to calculate cloud water content. After the microcontroller calculates the instantaneous resistance value of the analog signal voltage and current according to Ohm's law, it looks up the corresponding instantaneous temperature in the table of the corresponding resistance value and temperature of the material used in the hot wire resistor, and obtains the real-time temperature fluctuation of the hot wire resistor.

2. The airborne cloud water content detection device as described in claim 1, characterized in that, The microcontroller and the host computer are connected for communication.

3. The airborne cloud water content detection device as described in claim 2, characterized in that, The microcontroller sets the resistance value, first threshold, or second threshold of the power adjustment circuit based on the instruction message from the host computer.

4. The airborne cloud water content detection device as described in claim 2, characterized in that, The microcontroller initializes the detection conditions in response to the instruction message from the host computer.

5. The airborne cloud water content detection device as described in claim 1, characterized in that, The airborne cloud water content detection equipment also includes a de-icing circuit connected to a microcontroller.

6. The airborne cloud water content detection device as described in claim 1, characterized in that, The signal sampling circuit isolates and tracks the input voltage and current signals, and outputs the signal to the low-pass filter circuit.

7. The airborne cloud water content detection device as described in claim 1, characterized in that, The hot-wire resistor includes a main testing unit and an auxiliary testing unit connected in parallel. The main testing unit includes a liquid water main unit and a total water main unit; the auxiliary testing unit includes a liquid water auxiliary unit and a total water auxiliary unit. The circuit containing the hot wire resistor also includes a first resistor or a second resistor connected in series with the main testing unit or the auxiliary testing unit. The resistance value of the first resistor or the second resistor is adjusted based on the power adjustment circuit.

8. The airborne cloud water content detection device as described in claim 1, characterized in that, The microcontroller adjusts the power regulation circuit based on temperature changes, including: In response to a temperature change exceeding a first threshold within a first time period, the microcontroller drives the power regulation circuit to reduce the operating current of the hot wire resistor. In response to the temperature change falling below a second threshold within a first time period, the microcontroller drives the power regulation circuit to increase the operating current of the hot wire resistor.

9. An airborne method for detecting cloud water content, characterized in that, include: Acquire the voltage and current signals output by the hot-wire resistor; The voltage and current signals output by the hot-wire resistor are filtered to obtain the first analog signal, which is then sent to the microcontroller. Obtain the resistance value of a temperature sensor located in the region adjacent to a hot wire resistor, wherein the resistance value of the temperature sensor changes linearly with temperature; The temperature conversion circuit obtains the ambient temperature of the area adjacent to the hot wire resistor based on the resistance value of the temperature sensor and sends it to the microcontroller. The microcontroller performs analog-to-digital conversion on the first analog signal to obtain a digital signal, and obtains the change value of the ambient temperature of the critical area of ​​the hot wire resistor within the first time window based on the ambient temperature of the area adjacent to the hot wire resistor. Based on the temperature change value, the output of the power regulation circuit is adjusted so that the change value of the ambient temperature of the area adjacent to the hot wire resistor is between the first threshold and the second threshold. The power compensated to maintain constant temperature is used to calculate cloud water content. After the microcontroller calculates the instantaneous resistance value of the analog signal voltage and current according to Ohm's law, it looks up the corresponding instantaneous temperature in the table of the corresponding resistance value and temperature of the material used in the hot wire resistor, and obtains the real-time temperature fluctuation of the hot wire resistor.

10. The method as described in claim 9, characterized in that, Before measuring cloud water content, the detection environment is initialized based on the command messages from the host computer.

11. The method as described in claim 9, characterized in that, Cloud water content is obtained by continuously acquiring digital signals using a microcontroller.

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