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With the development of science and technology and the improvement of people's living standards, with the improvement of people's living standards, the material requirements have also gradually increased, such as for vegetable types, fruit types, meat, poultry, aquatic products, milk , Ice cream, deep-frozen foods, chocolates and cooked foods. Now when I go to the supermarket or market, I will see some fresh food, food or fruits and vegetables are placed in the sale area, and these foods, fruits and vegetables are refrigerated and frozen in some independent refrigeration methods. These foods and fruits and vegetables can be shipped from the place of origin to all parts of the country The supermarkets are selling, and its contribution is cold chain logistics and transportation.
The development and implementation of cold chain logistics transportation technology has brought great convenience to people's lives. The so-called cold chain logistics means that food, fruits, vegetables, and seafood are transported in a low-temperature and humid environment by refrigerating and freezing technology to ensure that all links from food, fruits, vegetables, and seafood to the pre-consumption are in the specified low-temperature environment. In order to ensure the quality of food and the freshness of fruits, vegetables and seafood, and to avoid damage and deterioration of some food and vegetables during transportation.
The key to cold chain logistics is the word "cold". In order to ensure the freshness and quality of the transported goods, it is necessary to use low temperature to inhibit the activity of cells in the body, and use appropriate humidity to ensure that the cell water will not be lost quickly. In order to ensure a suitable temperature and humidity in the cargo compartment during transportation, a temperature and humidity sensor combined with a temperature and humidity monitoring system is required to monitor or monitor the temperature and humidity in the cargo compartment. So what kind of temperature and humidity sensor should be used in the temperature and humidity monitoring system of cold chain logistics transportation?
Temperature and humidity sensors can be roughly divided into temperature and humidity sensors with GPS positioning and temperature and humidity sensors without positioning system. When we apply the temperature and humidity sensor to the cold chain logistics temperature and humidity monitoring system , Xiaoxin suggests choosing a GPS temperature and humidity sensor .
GPS temperature and humidity sensor has two functions: one is the collection and transmission of temperature and humidity on the spot; Xinxin IoT GPS temperature and humidity sensor integrates a high-performance GPRS module and GPS positioning module inside, which makes it not only able to transmit data to the cloud via GPRS signal, but also to send data information to the user's mobile phone via SMS; The built-in GPS positioning module of the sensor can accurately locate the data collection location and vehicle driving route, and transmit the positioning information to the remote cloud server through the GPRS network; the cloud server stores the data information, which is convenient for users to query, analyze, and analyze through software systems. Print the archive. The GPS temperature and humidity sensor combined with the cold chain logistics temperature and humidity monitoring system can control the temperature and humidity in the cargo compartment in real time. The cold chain logistics temperature and humidity monitoring system has a good guarantee for the long-distance transportation of goods. The cold chain logistics temperature and humidity monitoring The system's real-time alarm and real-time control can realize on-site timely regulation and avoid losses due to abnormal temperature and humidity during long-distance transportation.
Cold chain logistics has been walking on the road, so for the selection of temperature and humidity sensors , Xiaoxin suggests choosing a temperature and humidity sensor with GPS positioning, so that all parameters in transit can be grasped in time to reassure managers.
January 11, 2016
Chengdu Xinxin Electronic Technology Co., Ltd. Editorial Department
Editor: Little Devil in Gourd