SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the real-time intelligent road weather acquisition system is provided, and the road weather monitoring information is transmitted efficiently, quickly and in real time.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a real-time intelligent road weather acquisition system is characterized by comprising a weather parameter detection module, a power supply module, a microcontroller, a gateway server, a weather server, a 4G/5G communication module and a LoRa communication module;
the power supply module is respectively connected with the meteorological parameter detection module, the microcontroller, the 4G/5G communication module and the LoRa communication module;
the microcontroller is respectively connected with the meteorological parameter detection module and the LoRa communication module;
the microcontroller establishes communication with the gateway server through the LoRa communication module;
the gateway server establishes communication with the weather server through the 4G/5G communication module.
Further, the device also comprises a storage module;
the storage module is connected with the microcontroller.
Further, the storage module is a solid state disk; the solid state disk comprises a control unit and a storage unit, and the control unit is respectively connected with the microcontroller and the storage unit;
the control unit is a FLASH chip; the memory cells are DRAM chips.
Further, the meteorological parameter detection module comprises a temperature and humidity sensor, an air pressure sensor, a visibility sensor, an ultrasonic wind speed and direction sensor, an icing sensor, a longitude and latitude global positioner and a meteorological parameter detection module;
the meteorological parameter detection module comprises an analog-to-digital converter, an amplifier and a signal modulator;
the analog-to-digital converter, the amplifier and the signal modulator are sequentially connected;
the temperature and humidity sensor, the air pressure sensor, the visibility sensor, the ultrasonic wind speed and direction sensor, the icing sensor and the latitude and longitude global positioner are respectively connected with the analog-to-digital converter;
the signal modulator is connected with the microcontroller.
Further, the power module comprises a solar panel, a wind driven generator, a wind-solar complementary control component, a storage battery and a load shedding unit;
the output ends of the solar panel, the wind driven generator and the storage battery pack are respectively connected with the input end of the wind-solar complementary control component;
the output end of the wind-solar complementary control component is respectively connected with the load shedding unit, the meteorological parameter detection module, the microcontroller, the 4G/5G communication module and the LoRa communication module.
Further, the microcontroller is an STM32L052C8T6 chip.
Furthermore, heating and cooling devices are additionally arranged in the ultrasonic wind speed and direction sensors.
Further, the system also comprises an LoRa node;
the gateway server is an LoRa gateway;
the microcontroller establishes connection with the LoRa node through the LoRa communication module;
the LoRa node establishes LoRa connection with the LoRa gateway;
the LoRa gateway establishes communication with the weather server through the 4G/5G communication module.
The beneficial effects of the utility model reside in that: the system comprises a meteorological parameter detection module, a wireless communication module, a microcontroller and a power supply module, and utilizes the collection and processing of big data to collect, process and transmit meteorological parameters, thereby improving the real-time performance of information transmission. By combining the 4G/5G and the wireless LoRa network multi-communication technology, the method not only realizes the aims of higher data rate transmission, quicker response time, cost reduction, system capacity improvement and large-scale equipment connection, but also can realize the aims of long distance, low power consumption, low cost, multiple nodes and long battery life, ensures the reliability of communication, and can ensure the real-time transmission of data even in remote areas.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 5, a real-time intelligent road weather collecting system is characterized by comprising a weather parameter detection module, a power supply module, a microcontroller, a gateway server, a weather server, a 4G/5G communication module and a LoRa communication module;
the power supply module is respectively connected with the meteorological parameter detection module, the microcontroller, the 4G/5G communication module and the LoRa communication module;
the microcontroller is respectively connected with the meteorological parameter detection module and the LoRa communication module;
the microcontroller establishes communication with the gateway server through the LoRa communication module;
the gateway server establishes communication with the weather server through the 4G/5G communication module.
From the above description, the beneficial effects of the present invention are: the system comprises a meteorological parameter detection module, a wireless communication module, a microcontroller and a power supply module, and utilizes the collection and processing of big data to collect, process and transmit meteorological parameters, thereby improving the real-time performance of information transmission. By combining the 4G/5G and the wireless LoRa network multi-communication technology, the method not only realizes the aims of higher data rate transmission, quicker response time, cost reduction, system capacity improvement and large-scale equipment connection, but also can realize the aims of long distance, low power consumption, low cost, multiple nodes and long battery life, ensures the reliability of communication, and can ensure the real-time transmission of data even in remote areas.
Further, the device also comprises a storage module;
the storage module is connected with the microcontroller.
As can be seen from the above description, the storage module is used to store intermediate processing data for program operation, and can write or read the contents of the data storage at any time along with the program operation.
Further, the storage module is a solid state disk; the solid state disk comprises a control unit and a storage unit, and the control unit is respectively connected with the microcontroller and the storage unit;
the control unit is a FLASH chip; the memory cells are DRAM chips.
The solid state disk has the advantages of high reading and writing speed, real-time data storage, small size, light weight, strong shock resistance and falling resistance, low power consumption, no noise and capability of adapting to various temperature environments and severe weather.
Further, the meteorological parameter detection module comprises a temperature and humidity sensor, an air pressure sensor, a visibility sensor, an ultrasonic wind speed and direction sensor, an icing sensor, a longitude and latitude global positioner and a meteorological parameter detection module;
the meteorological parameter detection module comprises an analog-to-digital converter, an amplifier and a signal modulator;
the analog-to-digital converter, the amplifier and the signal modulator are sequentially connected;
the temperature and humidity sensor, the air pressure sensor, the visibility sensor, the ultrasonic wind speed and direction sensor, the icing sensor and the latitude and longitude global positioner are respectively connected with the analog-to-digital converter;
the signal modulator is connected with the microcontroller.
As can be seen from the above description, when each sensor works, the sensing element of each sensor is in contact with the surrounding environment, the sensing data acquires external information, the physical signal is converted into an electric signal through the conversion element, and then the electric signal is amplified, modulated and the like through the conversion circuit and is transmitted to the microcontroller module.
Further, the power module comprises a solar panel, a wind driven generator, a wind-solar complementary control component, a storage battery and a load shedding unit;
the output ends of the solar panel, the wind driven generator and the storage battery pack are respectively connected with the input end of the wind-solar complementary control component;
the output end of the wind-solar complementary control component is respectively connected with the load shedding unit, the meteorological parameter detection module, the microcontroller, the 4G/5G communication module and the LoRa communication module.
According to the description, the wind is weak when the illumination is strong in the daytime, the wind is strong when the illumination is weak in the nighttime or the cloudy day, and the complementarity in time enables the wind-solar hybrid power generation system to have good matching performance in resource distribution, so that an energy guarantee is provided for the establishment of the wind-solar hybrid power supply system; meanwhile, if the wind energy and the light energy can not provide the required power supply, the power is supplied by the electric energy stored in the storage battery pack, and the reliable operation of the power supply system is ensured.
Further, the microcontroller is an STM32L052C8T6 chip.
From the above description, it can be seen that the STM32L052C8T6 chip, which has up to 64KB flash, 8KB RAM and up to 2KB embedded EEPROM (no flash emulation is required), is in 32 to 64 pin packages, including space-saving WLCSP 36. Each part of the STM32L0 family of microcontrollers is optimized to achieve an excellent low power consumption level, thereby producing a truly ultra-low power microcontroller with power consumption performance trade-off. The unique combination of the ARM Cortex-M0+ kernel and the ultra-low power consumption characteristic of the STM32 single chip microcomputer enables the STM32L0 microcontroller to be very suitable for battery power supply or power supply from energy collection. The STM32L0 microcontroller provides dynamic voltage regulation, an ultra low power clock oscillator, an LCD interface, comparators, a DAC, and hardware encryption. New autonomous peripherals (including USART, I)2C. Touch sensor controller) shares the load of the ARM Cortex-M0+ core, reducing the CPU wake-up times and thus helping to reduce processing time and power consumption. Other value-added characteristics such as 16-bit ADC (hardware oversampling), USB without external crystal oscillator, short wake-up time in ultra-low power consumption mode and communication peripheral capable of working in low power consumption mode are also built in the device, and perfect balance among integration characteristic, high performance and ultra-low power consumption is realized.
Furthermore, the ultrasonic wind speed and direction sensor is additionally provided with a heating and cooling device.
From the above description, it can be known that the heating and cooling device ensures that the instrument can work normally in severe weather, such as severe winter and summer heat, and the use efficiency and the monitoring precision of the device are greatly improved, so that the device has good environmental adaptability.
Further, the system also comprises an LoRa node;
the gateway server is an LoRa gateway;
the microcontroller establishes connection with the LoRa node through the LoRa communication module;
the LoRa node establishes LoRa connection with the LoRa gateway;
the LoRa gateway establishes communication with the weather server through the 4G/5G communication module.
As can be seen from the above description, the performance goals of 4G/5G are high data rates, reduced latency, energy savings, reduced cost, increased system capacity, and large-scale device connectivity. The main advantage of 4G/5G networks is that the data transmission rate is much higher than in previous cellular networks, up to 10Gbit/s, faster than in current wired internet. Another advantage is lower network delay, i.e. faster response time, 5G below 1 ms and 4G 30-70 ms. LoRa is an ultra-long distance wireless transmission scheme based on spread spectrum technology, changes the prior compromise consideration mode of transmission distance and power consumption, has the biggest characteristic that the transmission distance is farther than that of other wireless modes under the same power consumption condition, realizes the unification of low power consumption and long distance, and enlarges 3-5 times compared with the traditional wireless radio frequency communication distance under the same power consumption. The LoRa technology provides a simple system which can realize long distance, low power consumption, low cost, multiple nodes, long battery life and large capacity for users, and further expands the sensing network. The LoRaWAN-based network can provide safe bidirectional communication with long data transmission distance, and covers urban areas with minimum network infrastructure, high-efficiency, quick and real-time transmission of road meteorological monitoring information is guaranteed through combination of the LoRa technology and the 4G/5G technology, real-time, safe and quick delivery of meteorological data to relevant departments can be guaranteed, the problem of non-real-time storage in the prior art is solved, the problem that a WIFI technology is easily shielded by buildings is avoided, and the LoRaWAN-based network is further improved in the prior art.
Referring to fig. 1 to 5, a first embodiment of the present invention is: a real-time intelligent road weather acquisition system is characterized by comprising a weather parameter detection module, a power supply module, a microcontroller, a gateway server, a weather server, a 4G/5G communication module and a LoRa communication module;
the power supply module is respectively connected with the meteorological parameter detection module, the microcontroller, the 4G/5G communication module and the LoRa communication module;
the microcontroller is respectively connected with the meteorological parameter detection module and the LoRa communication module;
the microcontroller establishes communication with the gateway server through the LoRa communication module;
the gateway server establishes communication with the weather server through the 4G/5G communication module.
Referring to fig. 1, in particular, the apparatus further includes a storage module;
the storage module is connected with the microcontroller.
Referring to fig. 1, specifically, the storage module is a solid state disk; the solid state disk comprises a control unit and a storage unit, and the control unit is respectively connected with the microcontroller and the storage unit;
the control unit is a FLASH chip; the memory cells are DRAM chips.
Referring to fig. 2, specifically, the meteorological parameter detection module includes a temperature and humidity sensor, an air pressure sensor, a visibility sensor, an ultrasonic wind speed and direction sensor, an icing sensor, a longitude and latitude global positioner, and a meteorological parameter detection module;
the meteorological parameter detection module comprises an analog-to-digital converter, an amplifier and a signal modulator;
the analog-to-digital converter, the amplifier and the signal modulator are sequentially connected;
the temperature and humidity sensor, the air pressure sensor, the visibility sensor, the ultrasonic wind speed and direction sensor, the icing sensor and the latitude and longitude global positioner are respectively connected with the analog-to-digital converter;
the signal modulator is connected with the microcontroller.
Preferably, the ultrasonic wind speed and direction sensor is a pavilion type ultrasonic wind speed and direction sensor, the model is JZ-YT, the wind speed measuring range is 0-45 m/s, the resolution is 0.01m/s, the wind direction measuring range is 0-360 degrees, the precision is 1 degree, the resolution is 0.1 degree, the temperature range of the use environment is-40-60 degrees, and the humidity range is 0-100 percent. Specifically, the measuring instrument measures the wind speed and the wind direction by using the propagation time difference of ultrasonic waves in the air, and the sensor adopts a sound wave phase compensation technology, so that the precision is higher; by adopting a random error identification technology, the low discrete error of measurement can be ensured under strong wind, so that the output is more stable; the measurement compensation technology for the rainy and foggy weather has stronger environmental adaptability; the digital filtering technology is adopted, so that the anti-electromagnetic interference capability is stronger; the ultrasonic wind speed and direction sensor has the characteristics of strong environment adaptability, stable and reliable performance due to the unique structure and the advanced technology.
Preferably, the visibility sensor is SWS-100 in model, British Biral in brand, the measurement range is 10m-2km, the measurement precision is 5%, the measurement range can be selected, and the maximum forward scattering type design instantaneous and average visibility output can reach 75 km; in an extreme environment, the heating function digital, analog, switching value, relay output comprehensive test, data maintenance and other functions can be selected. The device can monitor indexes such as dust, fog, rain, snow, hail, visibility and the like in the air, has the characteristics of long-distance visibility range, icing resistance and compact and small structure, along with the increasing serious air pollution, the visibility distance becomes an important parameter of traffic environment, and the measured data can be provided for traffic departments such as expressways, aviation, ferries and the like.
Preferably, the model of the icing sensor is GL-RD-JB-1, the working environment temperature range is-20 ℃ to +70 ℃, the relative humidity is less than or equal to 98%, the temperature and humidity detection precision is +/-0.3 ℃ and +/-3% RH, the conductivity detection precision is more than 3%, and the sensor is a road icing monitoring sensor in a road icing monitoring and early warning system promoted by high-altitude general communications, and has stable performance through repeated version change and upgrading and real-time monitoring. The thickness of icing, accumulated snow and accumulated water on the road surface can be accurately detected by adopting a multispectral measurement technology. In the northern cold winter environment, real-time and accurate data such as icing thickness are of great importance to road management departments.
Preferably, the longitude and latitude localizer defines a spherical coordinate system of the space on the earth by utilizing a spherical surface of a three-dimensional space, can mark any position on the earth, can accurately sense meteorological data of a certain position at a certain moment, and transmits the meteorological data to the central control microcontroller module along with the automobile position information at the moment.
Referring to fig. 5, specifically, the power module includes a solar panel, a wind power generator, a wind-solar hybrid control component, a storage battery and a discharging unit;
the output ends of the solar panel, the wind driven generator and the storage battery pack are respectively connected with the input end of the wind-solar complementary control component;
the output end of the wind-solar complementary control component is respectively connected with the load shedding unit, the meteorological parameter detection module, the microcontroller, the 4G/5G communication module and the LoRa communication module.
Wherein, if the wind energy and the light energy can not provide the required power supply, the power supply is realized by the electric energy stored in the storage battery pack. The solar cell panel generates direct current, a polycrystalline silicon solar cell module can be selected, high-light-transmittance low-iron toughened glass is required, an anodized high-quality aluminum alloy frame is additionally arranged, and the solar cell panel has the characteristics of high efficiency, long service life, convenience in installation, wind resistance, hail resistance and the like; the wind driven generator generates alternating current, is required to be a low-speed fan during model selection, and has the characteristics of high generating efficiency, simple structure, stable quality, low maintenance amount, automatic yaw protection under severe weather conditions and the like. The solar cell panel and the wind driven generator are organically combined, so that the purpose of energy conservation is achieved, and the stable operation of a circuit is guaranteed.
Specifically, solar power generation is based on the principle of photovoltaic effect, and solar energy is directly converted into electric energy by using a solar cell. The solar power generation system mainly comprises a solar panel (assembly), a controller and an inverter which are mainly composed of electronic components and do not relate to mechanical parts, so that the photovoltaic power generation equipment is extremely refined, reliable, stable, long in service life and simple and convenient to install and maintain. The solar cell panel is a 50W single crystal semi-flexible solar cell panel solar city chip, the model is zls9950, the working current is 2.7A, the short-circuit current is 3.0A, the open-circuit voltage is 20.8V, the number of cells is 36, the output current is 10A, and the system voltage is 18V. The main function of the device is to supply power to a 12V lead-acid battery, the device comprises a 12V lithium battery and the like for charging, and the device can be bent by 30 degrees and installed on a vehicle or any other outdoor scene for supplying power. The power supply mode is energy-saving and environment-friendly, and is very suitable for outdoor work.
Referring to fig. 1, specifically, the microcontroller is an STM32L052C8T6 chip.
Preferably, the microcontroller and the temperature sensor are connected through an I2C bus. The I2C bus occupies 2 microcontroller input/output lines and communication between the two is accomplished entirely by software. The address of the temperature sensor can be set by 2 address pins, which makes one I28 such sensors may be connected to the C-bus simultaneously. In this scheme, the 7-bit address of the sensor has been set to 1001000. When the microcontroller needs to access the sensor, it first sends out an 8-bit register pointer and then sends out the address of the sensor (7-bit address, the low order is the WR signal). There are 3 registers available in the sensor for use by the microcontroller, and an 8-bit register pointer is used to determine which register is used by the microcontroller. In the scheme, the main program can continuously update the configuration register of the sensor, so that the sensor can work in a single step mode, and the temperature can be measured once when the temperature is updated. To read the contents of the sensor measurement register, the microcontroller must first send the sensor address and the register pointer. The measurement register may be read by the microcontroller issuing an enable signal, followed by the sensor address, and then setting the RD/WR pin high.
Referring to fig. 1, specifically, a heating and cooling device is installed in the ultrasonic wind speed and direction sensor.
Referring to fig. 3, specifically, the present invention further includes a LoRa node;
the gateway server is an LoRa gateway;
the microcontroller establishes connection with the LoRa node through the LoRa communication module;
the LoRa node establishes LoRa connection with the LoRa gateway;
the LoRa gateway establishes communication with the weather server through the 4G/5G communication module.
Preferably, the meteorological parameter monitoring module transmits the acquired information to the internet of things gateway through a wireless LoRa network, transmits the acquired information to the data server through a 4G/5G network, and transmits the acquired information to the meteorological center control background or the display end in real time, so that a user can master various monitoring indexes in real time. The design adopts an Internet of things RHF76-052AM communication module LoRaWAN development board, and a LoRaWAN standard protocol is built in the development board; the system conforms to the global LoRaWAN standard, can support the LoRaWAN protocol and A/C types, and passes FCC/CE/LoRaWAN authentication; SMT package with 33 pins, emission power 19dBm +/-1 dB; based on serial port AT instruction control, simple and easy to use. The module has the characteristics of ultra-long distance communication, ultra-low power consumption, firmware upgrading, extremely small size (23mm by 28mm), extremely high receiving sensitivity (-140dBm) and extremely low sleep current (1.4uA), and is very suitable for IOT application with low power consumption and long distance.
To sum up, the utility model provides a pair of real-time intelligent road meteorological collection system is integrated with meteorological parameter detection module, wireless communication module, microcontroller module, power module and storage module, utilizes the collection and the processing of big data, carries out meteorological parameter's collection, processing and transmission, has promoted information transfer's real-time. By combining the 5G and the wireless LoRa network multi-communication technology, the purposes of higher data rate transmission, quicker response time, cost reduction, system capacity improvement and large-scale equipment connection are achieved, the system can be connected remotely, has low power consumption and cost, has multiple nodes and long battery life, ensures the reliability of communication, and can ensure the real-time transmission of data even in remote areas. The dual-power supply mode can increase the stability and reliability of the operation of the device, save energy, protect the environment and is suitable for the strategy of sustainable development in China.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.