Since temperature and humidity are closely related to both physical quantities and actual people's lives, a sensor integrating temperature and humidity will be produced accordingly. Temperature and humidity sensor refers to a device or device that can convert temperature and humidity into electrical signals that can be easily measured and processed. Temperature and humidity sensors on the market generally measure temperature and relative humidity. It is a kind of sensor network product. Not only provide a sensor, but integrate temperature compensation and calibration data into one circuit. The temperature and humidity sensors are fully calibrated before they leave the factory. Customers only need to communicate with the single-chip microcomputer to collect data directly. At present, temperature and humidity sensors are basically circulated in the market in this mode, and the pursuit of smaller and more convenient integrated circuits is the direction for future temperature and humidity sensor manufacturers to research.
The temperature and humidity sensor is an information detection device that can convert the sensed measurement information into an electrical signal or other signals according to a certain rule and output it in the form required to satisfy the transmission, processing, and storage of information. Nowadays, a variety of new gas sensors also provide a huge boost to the development of the industry, among which digital temperature and humidity sensors play a vital role in haze monitoring.
Weather forecasting is of great significance to daily life and production guidance. From ancient times to the present, people have used various methods to study weather changes for practical reference. Especially in the era of farming when science and technology are not well developed, weather conditions have a great impact on agriculture and military affairs. It was not until the 1960s and the advent of meteorological satellites and related advanced computing and measurement technologies that artificial weather forecasts made relatively great progress. With the advancement and development of science and technology, more and more tools are used for weather forecasting. The air sounding bulb is one of the cheaper and more convenient ones. The temperature and humidity sensor used in the air sounding bulb has good performance and quality. Bad, directly affect the accuracy of the final data.
The sounding balloon is mainly used to carry the radiosonde to high altitude for the detection of meteorological elements such as temperature, pressure, humidity and wind. The sounding balloon has different shapes such as round and pear shape. The ball weighs 300 to 1500 grams (the smaller one will explode when it rises to a certain height), and it can rise up to 30-40 kilometers above the ground by filling it with an appropriate amount of hydrogen or helium. The conventional detection balloon used by the high-altitude elephant station generally rises at a speed of 6 to 8 meters per second, and bursts after it rises to an altitude of about 30 kilometers.
The sounding balloon is an important tool for mankind to study the stratosphere, and it plays an important role in the development of meteorology and weather forecasting. The air sounding balloon has low investment, low cost, quick effect, large relative load capacity, long flight time, stable attitude of the carrying instrument, high accuracy of observation data, short time, high flexibility, and the release is not affected by geographical and climatic factors. At present, although more advanced tools such as sounding rockets, weather radars, and weather satellites are widely used, sounding balloons are still an indispensable tool in meteorological research and are often used for calibration of other detection instruments.
The sounding balloon rises by air buoyancy, collects and measures the required data through various meteorological instruments on board, and then transmits it to the ground center. Among them, temperature sensor, humidity sensor and air pressure sensor are the more common measuring elements in these instruments, and they are used to obtain the temperature, humidity and air pressure data of the balloon as it rises. But just measuring is not enough, and you also need to know the area where the measurement is located. Therefore, the GPS module is also needed to determine the latitude and longitude of the sounding balloon. Then, combined with the altitude calculated from the air pressure, this can be regarded as a true three-dimensional space weather data measurement.
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