Many car enthusiasts, when going on a trip, think about how to keep food fresh for a long time. For lovers of long trips, a built-in refrigerator is suitable, and for those who rarely go on vacation, a portable option is also possible.
Thermal bag
The thermal bag is a so-called isotheric container. By itself, it cannot produce cold, but it is able to maintain the initial temperature of products for a large amount of time, at least ten hours. Food stored in such a bag can be not only cold, but also hot. And if you add refrigerant, separately packed dry ice to the thermal bag, then the period of maintaining the desired temperature will increase significantly.
Automotive thermoelectric refrigerator
Another way to keep food on the go is to use a thermoelectric refrigerator. Its work is carried out by connecting the wires to the cigarette lighter, in its own composition there are no refrigerants in this case. The main disadvantage of such devices is the slow set of the required temperature and the inability to cool the food to subzero temperatures. That is why dry ice is used to speed up the process by adding it to the bag.
The advantages of such a device include the fact that it is easy to transport. has a low weight and small dimensions. In addition, it is able to cool food down to 25 ° C lower than the air temperature in the machine itself. There is a function of heating food up to 65 ° C. The principle of its operation is that heat is removed from the bag using a fan and a thermoelement for cooling.
Compressor auto-refrigerator
The next type - a compressor auto-refrigerator, according to the principle of operation, resembles an ordinary home refrigerator. It includes a heat exchanger, an evaporator and a compressor that pumps freon. Currently, some models use freon substitutes. The main advantage of a car refrigerator is its ability to cool food up to 18 ° C, as well as maintain this temperature. In addition, a positive feature is the ability to work both from a 220 V power supply and from a cigarette lighter. The disadvantages include high cost, large dimensions and enormous sensitivity to vibrations and external influences.
Absorption car refrigerator
For the operation of such a refrigerator, both gas and electricity are suitable. This type of unit cools much faster than others. It can be easily connected to a 220 V network or to a cigarette lighter. When there is no way to find electricity, such refrigerators can run on gas, thereby simplifying the life of car owners who love to relax in nature.
