A combined rain measurement system and combined rain measurement method capable of predicting acid rain

Abstract

The invention discloses a combined rain measuring system and a combined rain measuring method capable of predicting acid rain. The combined rain measuring system comprises a wireless microwave rain measuring device, a weather radar, a plurality of sensor workstations distributed in various places, a processing terminal and a cloud computing platform, wherein a microwave transceiver and a radar transceiver share an antenna device, and a waveguide switch is installed at the rear end of the antenna device to control the opening and closing of the two. The sensor on the sensor workstation can detect the acid gas and dust content in the air. The system and method predict the precipitation intensity through the complementary combined action of the wireless microwave rain measuring device and the weather radar, improve the accuracy of measuring the distribution of the rain intensity, and then connect the sensor to monitor the proportion of the acid gas and dust contained in the air. The geographical scope and time of the acid rain are predicted through the processing terminal, and the relevant departments can be notified to make good treatment and protective measures to avoid the coming of acid rain or reduce the harm of acid rain. The combined rain measuring system can be used in the radar early warning system for predicting acid rain.

Description

Technical Field

[0001] The invention relates to a rain measuring system and a rain measuring method, in particular to a combined rain measuring system and a combined rain measuring method capable of predicting acid rain, and belongs to the technical field of equipment for rainfall monitoring and acid rain prediction. Background Art

[0002] Acid rain refers to rain, snow or other forms of precipitation with a pH value less than 5.6. It is formed by the absorption and dissolution of sulfur dioxide, nitrogen oxides and other substances in the air during the formation and falling of rain and snow. The formation of acid rain is mainly caused by the emission of large amounts of acidic substances into the atmosphere by humans, which seriously threatens the national economic production.

[0003] Wireless microwave rain measuring devices and weather radars are detection tools specifically used for atmospheric rainfall prediction. Most of the existing technologies only use wireless microwave rain measuring devices or only use weather radars for rainfall monitoring. The rainfall accuracy of this single rainfall monitoring mode is not high; and when using the rain measuring equipment in the above-mentioned prior art, the monitoring of acid rain can only determine whether it is acid rain based on the pH value of precipitation when rainfall has already occurred, and it is impossible to prevent it in advance. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a combined rain measuring system and a combined rain measuring method that can predict acid rain. The combined rain measuring system and the combined rain measuring method are highly accurate and easy to implement, and can realize real-time prediction of acid precipitation, making it convenient to take protective measures in advance.

[0005] The technical solution of the present invention is:

[0006] A combined rain measuring system capable of predicting acid rain comprises a wireless microwave rain measuring device, a weather radar, a plurality of sensor workstations distributed in various places, a processing terminal and a cloud computing platform, wherein the wireless microwave rain measuring device comprises a microwave transceiver, the weather radar comprises a radar transceiver, the microwave transceiver and the radar transceiver are jointly connected to a waveguide switch through a transmission line, and the microwave transceiver and the radar transceiver are turned on and off by the waveguide switch, and the waveguide switch is electrically connected to an antenna device through a transmission line so that the wireless microwave rain measuring device and the weather radar share the antenna device; the radar transceiver is connected to a video integrator through a transmission line The video integrator is connected to an electronic potentiometer through a transmission line; each of the sensor workstations includes a plurality of sensors for detecting the acid gas content and dust content in the air, a processing conversion unit connected to each sensor, and a solar power supply device for providing power to the sensor workstation; the processing terminal includes a wireless microwave rain measurement processing terminal for analyzing precipitation, a weather radar processing terminal for analyzing precipitation, and a sensor processing terminal for analyzing the proportion of acid gas and dust in the air, and the processing signals of the wireless microwave rain measurement processing terminal, the weather radar processing terminal, and the sensor processing terminal are connected to the cloud computing platform.

[0007] Its further technical solution is:

[0008] The wireless microwave rain measuring device also includes a microwave indoor unit and a DTU connected to a microwave transceiver, wherein the microwave indoor unit, the microwave transceiver and the DTU are connected in sequence; wherein the microwave indoor unit is MKQR666; and the DTU is a DTUF2X03 series.

[0009] The waveguide switch is an electromechanical waveguide switch.

[0010] The solar power supply device comprises a storage battery electrically connected to the sensor workstation. A solar panel is positioned at the top of the sensor workstation and is electrically connected to the storage battery.

[0011] The processing and conversion unit of the sensor workstation includes a signal processing module for amplifying the sensor signal, an AD converter for converting the processed analog signal into a digital signal, a central controller for calculating the acid gas content and dust air ratio of the digital signal, and a sensor wireless transmission module for transmitting the calculation results to the sensor processing terminal, and the signal processing module is connected to the AD converter, the AD converter is connected to the central controller, and the sensor wireless transmission module is connected to the central controller via an SPI interface.

[0012] The sensors are a first gas sensor for detecting the proportion of sulfur dioxide in the air, a second gas sensor for detecting the proportion of nitrogen dioxide in the air, a third gas sensor for detecting the proportion of nitrogen trioxide in the air, and a dust sensor for detecting the proportion of dust in the air; the signal processing module is a differential amplifier circuit; the central controller is a TM32F103 series; and the sensor wireless transmission module is NRF905.

[0013] The present invention also discloses a combined rain measurement method for predicting acid rain using the combined rain measurement system. The combined rain measurement method comprises the following steps:

[0014] S1: When measuring rain, the wireless microwave rain measuring device and the weather radar are started, and the rotation of the microwave rotor is controlled by the digital motor in the waveguide switch to switch the waveguide channel, so that the wireless microwave rain measuring device and the weather radar are controlled to alternately receive and record signals through the waveguide switch;

[0015] S2: When the weather radar is working, the digital motor in the waveguide switch controls the microwave rotor to rotate and close the waveguide channel connected to the wireless microwave rain measuring device to cut off the microwave signal of the wireless microwave rain measuring device; at the same time, the receiving component in the radar transceiver of the weather radar processes the received radar echo through the video integrator and records it by the electronic potential difference to obtain the rainfall intensity distribution information;

[0016] S3: When the wireless microwave rain measuring device is working, the digital motor of the waveguide switch controls the microwave rotor to rotate and close the waveguide channel connected to the weather radar to cut off the weather radar signal and turn off the magnetron of the weather radar; at the same time, the receiving component in the microwave transceiver in the wireless microwave rain measuring device records the received microwave signal after being processed by the DTU to obtain the radiation information of the rain area;

[0017] S4: Under the control of the waveguide switch, steps S2 and S3 are performed alternately; the rainfall intensity distribution information obtained in step S2 is transmitted to the weather radar processing terminal in real time through wireless transmission, and the rain area radiation information obtained in step S3 is transmitted to the wireless microwave rain measurement processing terminal in real time through wireless transmission. The weather radar processing terminal and the wireless microwave rain measurement processing terminal transmit the collected information to the cloud computing platform;

[0018] S5: While performing steps S1 to S4, various sensors in the sensor workstations in various places monitor the content of acid rain-related gases and dust content in the air in real time, and transmit the above information to the sensor processing terminal through wireless transmission after conversion and calculation, and the sensor processing terminal transmits the collected information to the cloud computing platform;

[0019] S6: The cloud computing platform calculates data based on the real-time rainfall intensity distribution information, real-time rainfall area radiation information, and the real-time acid gas and dust air proportion information of sensor workstations in each region, and predicts the geographical scope and time of acid rain occurrence based on the calculation results.

[0020] Its further technical solution is:

[0021] In step S5, the sensor converts the collected acid gas content and dust content signals into voltage signals, the voltage signals are amplified and filtered by the signal processing unit, and are sent to the central controller for calculation and processing after conversion by the AD conversion module. After the acid gas air ratio and dust air ratio are calculated, the above information is transmitted to the sensor processing terminal through the wireless transmission module.

[0022] The beneficial technical effect of the present invention is that the combined rain measuring system and the combined rain measuring method predict precipitation intensity through the complementary combined action of the wireless microwave rain measuring device and the weather radar, improve the accuracy of measuring rain intensity distribution, and then connect sensors to monitor the proportion of acid gas and dust contained in the air. The geographical scope and time of acid rain are predicted through the processing terminal, and the relevant departments can be notified to take treatment and protective measures to avoid the arrival of acid rain or reduce the harm of acid rain. The combined rain measuring system can be used in the acid rain radar early warning system. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the combined rain measurement system for this application;

[0024] in:

[0025] 1-wireless microwave rain measuring device; 101-microwave transceiver; 102-microwave indoor unit; 103-DTU;

[0026] 2-weather radar; 201-radar transceiver;

[0027] 3-sensor workstation; 301-sensor; 302-processing conversion unit; 303-solar power supply equipment; 303a-battery; 303b-solar panel;

[0028] 4-processing terminal; 401-wireless microwave rain measurement processing terminal; 402-weather radar processing terminal; 403-sensor processing terminal;

[0029] 5-Cloud computing platform;

[0030] 6- Waveguide switch;

[0031] 7- Antenna device;

[0032] 8- Video integrator;

[0033] 9-Electronic potentiometer. DETAILED DESCRIPTION

[0034] In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the specific implementation methods of the present invention are further described in detail below in conjunction with the drawings and examples. The following examples are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0035] A combined rain measuring system capable of predicting acid rain comprises a wireless microwave rain measuring device 1, a weather radar 2, a plurality of sensor workstations 3 distributed in various places, a processing terminal 4 and a cloud computing platform 5.

[0036] The wireless microwave rain measuring device includes a microwave transceiver 101, and also includes a microwave indoor unit 102 and a DTU 103 connected to the microwave transceiver 101, wherein the microwave indoor unit, the microwave transceiver and the DTU are connected in sequence, wherein the microwave indoor unit is preferably MKQR666, and the DTU is preferably DTUF2X03 series; the weather radar includes a radar transceiver 201, which is connected to a video integrator 8 through a transmission line, and the video integrator is connected to an electronic potentiometer 9 through a transmission line. The microwave transceiver 101 and the radar transceiver 201 are connected to a waveguide switch 6 through a transmission line, and the microwave transceiver and the radar transceiver are controlled by the waveguide switch. In addition, the waveguide switch 6 is electrically connected to an antenna device 7 through a transmission line so that the wireless microwave rain measuring device and the weather radar share the antenna device. That is, the wireless microwave rain measuring device and the weather radar in the combined rain measuring system share an antenna device, and a waveguide switch is arranged at the rear end of the antenna device, and the waveguide switch divides the transmission line into two paths, one leading to the wireless microwave rain measuring device and the other leading to the antenna radar. The above-mentioned waveguide switch can be an electromechanical waveguide switch or a ferrite waveguide switch. In this application, an electromechanical waveguide switch is preferred, which can use a digital motor to drive a valve or a rotor to rotate so as to achieve the shutoff of the microwave signal and the channel switching.

[0037] Each sensor workstation 3 includes a plurality of sensors 301 for detecting the acid gas content and dust content in the air, a processing conversion unit 302 connected to each sensor, and a solar power supply device 303 for providing power to the sensor workstation. The sensors 301 are a first gas sensor for detecting the air proportion of sulfur dioxide, a second gas sensor for detecting the air proportion of nitrogen dioxide, a third gas sensor for detecting the air proportion of nitrogen trioxide, and a dust sensor for detecting the air proportion of dust, that is, each sensor is mainly used to detect various acid gases that can cause acid rain and the dust content in the air. The processing and conversion unit 302 includes a signal processing module for amplifying the sensor signal, an AD converter for converting the processed analog signal into a digital signal, a central controller for calculating the acid gas content and dust air ratio of the digital signal, and a sensor wireless transmission module for transmitting the calculation result to the sensor processing terminal, and the signal processing module is connected to the AD converter, the AD converter is connected to the central controller, and the sensor wireless transmission module is connected to the central controller through an SPI interface, wherein the signal processing module is a differential amplifier circuit, the central controller is a TM32F103 series, and the sensor wireless transmission module is NRF905. The solar power supply device 303 includes a battery 303a electrically connected to the sensor workstation, and a solar panel 303b is positioned at the top of the sensor workstation, and the solar panel is electrically connected to the battery.

[0038] The processing terminal 4 includes a wireless microwave rain measurement processing terminal 401 for analyzing precipitation, a weather radar processing terminal 402 for analyzing precipitation, and a sensor processing terminal 403 for analyzing the proportion of acidic gas and dust in the air, and the processing signals of the wireless microwave rain measurement processing terminal, the weather radar processing terminal and the sensor processing terminal are connected to the cloud computing platform.

[0039] The combined rain measurement method for predicting acid rain using the combined rain measurement system described in the present application mainly includes the following steps:

[0040] S1: When measuring rain, the wireless microwave rain measuring device and the weather radar are started, and the rotation of the microwave rotor is controlled by the digital motor in the waveguide switch to switch the waveguide channel, so that the wireless microwave rain measuring device and the weather radar are controlled to alternately receive and record signals through the waveguide switch;

[0041] S2: When the weather radar is working, the digital motor in the waveguide switch controls the microwave rotor to rotate and close the waveguide channel connected to the wireless microwave rain measuring device to cut off the microwave signal of the wireless microwave rain measuring device; at the same time, the receiving component in the radar transceiver of the weather radar processes the received radar echo through the video integrator and records it by the electronic potential difference to obtain the rainfall intensity distribution information;

[0042] S3: When the wireless microwave rain measuring device is working, the digital motor of the waveguide switch controls the microwave rotor to rotate and close the waveguide channel connected to the weather radar to cut off the weather radar signal and turn off the magnetron of the weather radar; at the same time, the receiving component in the microwave transceiver in the wireless microwave rain measuring device records the received microwave signal after being processed by the DTU to obtain the radiation information of the rain area;

[0043] S4: Under the control of the waveguide switch, steps S2 and S3 are performed alternately; the rainfall intensity distribution information obtained in step S2 is transmitted to the weather radar processing terminal in real time through wireless transmission, and the rain area radiation information obtained in step S3 is transmitted to the wireless microwave rain measurement processing terminal in real time through wireless transmission. The weather radar processing terminal and the wireless microwave rain measurement processing terminal transmit the collected information to the cloud computing platform;

[0044] S5: While performing steps S1 to S4, various sensors in the sensor workstation monitor the content of acid rain-related gases and dust content in the air of various places in real time, and transmit the above information to the sensor processing terminal through wireless transmission after conversion and calculation, and the sensor processing terminal transmits the collected information to the cloud computing platform; the specific process of information conversion calculation in this step is: the sensor converts the collected acid gas content and dust content signals into voltage signals, the voltage signals are amplified and filtered by the signal processing unit, and are sent to the central controller for calculation and processing after conversion by the AD conversion module, and the above information is transmitted to the sensor processing terminal through the wireless transmission module after the acid gas air ratio and the dust air ratio are calculated;

[0045] S6: The cloud computing platform calculates data based on the real-time rainfall intensity distribution information, real-time rainfall area radiation information, and the real-time acid gas and dust air ratio information of sensor workstations in each region, and predicts the geographical scope and time of acid rain occurrence based on the calculation results.

[0046] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principles of the present invention, and these improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A combined rain measurement system capable of predicting acid rain, characterized in that: The invention comprises a wireless microwave rain measuring device (1), a weather radar (2), a plurality of sensor workstations (3) distributed in various places, a processing terminal (4) and a cloud computing platform (5), wherein the wireless microwave rain measuring device comprises a microwave transceiver (101), the weather radar comprises a radar transceiver (201), the microwave transceiver and the radar transceiver are connected to a waveguide switch (6) via a transmission line, and the microwave transceiver and the radar transceiver are turned on and off by the waveguide switch, the waveguide switch (6) is electrically connected to an antenna device (7) via a transmission line so that the wireless microwave rain measuring device and the weather radar share the antenna device; the radar transceiver is connected to a video integrator (8) via a transmission line, and the video integrator The sensor workstation (3) is connected to an electronic potentiometer (9) via a transmission line; each of the sensor workstations (3) comprises a plurality of sensors (301) for detecting the acid gas content and dust content in the air, a processing conversion unit (302) connected to each sensor, and a solar power supply device (303) for providing electric energy to the sensor workstation; the processing terminal (4) comprises a wireless microwave rain measurement processing terminal (401) for analyzing precipitation, a weather radar processing terminal (402) for analyzing precipitation, and a sensor processing terminal (403) for analyzing the proportion of acid gas and dust in the air, and the processing signals of the wireless microwave rain measurement processing terminal, the weather radar processing terminal, and the sensor processing terminal are connected to a cloud computing platform; The wireless microwave rain measuring device (1) further comprises a microwave indoor unit (102) and a DTU (103) which are connected to the microwave transceiver (101), wherein the microwave indoor unit, the microwave transceiver and the DTU are connected in sequence; The waveguide switch (6) is an electromechanical waveguide switch.

2. The combined rain measurement system capable of predicting acid rain according to claim 1, characterized in that: The microwave indoor unit is MKQR666; the DTU is DTUF2X03 series.

3. The combined rain measurement system capable of predicting acid rain according to claim 1 is characterized in that: The solar power supply device (303) comprises a storage battery (303a) electrically connected to the sensor workstation, and a solar panel (303b) is positioned at the top of the sensor workstation, the solar panel being electrically connected to the storage battery.

4. The combined rain measurement system capable of predicting acid rain according to claim 1 is characterized in that: The processing conversion unit (302) of the sensor workstation comprises a signal processing module for amplifying the sensor signal, an AD converter for converting the processed analog signal into a digital signal, a central controller for calculating the acid gas content and dust air ratio of the digital signal, and a sensor wireless transmission module for transmitting the calculation result to the sensor processing terminal, wherein the signal processing module is connected to the AD converter, the AD converter is connected to the central controller, and the sensor wireless transmission module is connected to the central controller via an SPI interface.

5. The combined rain measurement system capable of predicting acid rain according to claim 4 is characterized in that: The sensor (301) is a first gas sensor for detecting the proportion of sulfur dioxide in the air, a second gas sensor for detecting the proportion of nitrogen dioxide in the air, a third gas sensor for detecting the proportion of nitrogen trioxide in the air, and a dust sensor for detecting the proportion of dust in the air; the signal processing module is a differential amplifier circuit; the central controller is a TM32F103 series; and the sensor wireless transmission module is NRF905.

6. A combined rain measurement method for predicting acid rain using the combined rain measurement system according to any one of claims 1 to 5, characterized in that: The steps include: S1: When measuring rain, the wireless microwave rain measuring device and the weather radar are started, and the rotation of the microwave rotor is controlled by the digital motor in the waveguide switch to switch the waveguide channel, so that the wireless microwave rain measuring device and the weather radar are controlled to alternately receive and record signals through the waveguide switch; S2: When the weather radar is working, the digital motor in the waveguide switch controls the microwave rotor to rotate and close the waveguide channel connected to the wireless microwave rain measuring device to cut off the microwave signal of the wireless microwave rain measuring device; at the same time, the receiving component in the radar transceiver of the weather radar processes the received radar echo through the video integrator and records it by the electronic potential difference to obtain the rainfall intensity distribution information; S3: When the wireless microwave rain measuring device is working, the digital motor of the waveguide switch controls the microwave rotor to rotate and close the waveguide channel connected to the weather radar to cut off the weather radar signal and turn off the magnetron of the weather radar; at the same time, the receiving component in the microwave transceiver in the wireless microwave rain measuring device records the received microwave signal after being processed by the DTU to obtain the radiation information of the rain area; S4: Under the control of the waveguide switch, steps S2 and S3 are performed alternately; the rainfall intensity distribution information obtained in step S2 is transmitted to the weather radar processing terminal in real time through wireless transmission, and the rain area radiation information obtained in step S3 is transmitted to the wireless microwave rain measurement processing terminal in real time through wireless transmission. The weather radar processing terminal and the wireless microwave rain measurement processing terminal transmit the collected information to the cloud computing platform; S5: While performing steps S1 to S4, various sensors in the sensor workstation monitor the content of acid rain-related gases and dust content in the air in various places in real time, and transmit the above information to the sensor processing terminal through wireless transmission after conversion and calculation, and the sensor processing terminal transmits the collected information to the cloud computing platform; S6: The cloud computing platform calculates data based on the real-time rainfall intensity distribution information, real-time rainfall area radiation information, and the real-time acid gas and dust air ratio information of sensor workstations in each region, and predicts the geographical scope and time of acid rain occurrence based on the calculation results.

7. The combined rain measurement method according to claim 6, characterized in that: In step S5, the sensor converts the collected acid gas content and dust content signals into voltage signals, the voltage signals are amplified and filtered by the signal processing unit, and are sent to the central controller for calculation and processing after conversion by the AD conversion module. After the acid gas air ratio and dust air ratio are calculated, the above information is transmitted to the sensor processing terminal through the wireless transmission module.

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