With the rise of the cold-chain logistics industry in recent years, the demand for refrigerated trucks on the market is also increasing. Many card-friends are also asking the forum for information related to refrigerated trucks. For this reason, Xiao Bian has inquired about some information on the Internet. Asked some refrigerated truck manufacturers to see how to choose a refrigerated truck. Refrigerated truck The choice of refrigerated trucks is basically similar to the selection of other special vehicles, mainly reflected in the chassis, tops, and key components. Specific to the refrigerated truck is the automobile chassis, insulation compartment and refrigeration unit in three parts, only these three parts are of reliable quality to ensure that the refrigerated truck in the refrigerated transport process is reliable and stable. Therefore, we choose to refrigerate cars should also be from these three aspects. Chassis selection 1, truck chassis or tractor form There is no rigid requirement for the choice of the chassis of the truck or the chassis of the tractor. The main reason is to determine the amount of goods transported by the vehicle owner and the transportation distance. Generally speaking, the light truck chassis is the short-haul option, and the medium and long-haul transportation volume is large. Heavy truck chassis, or traction semi-trailer form. 2, imported chassis or domestic car chassis The advantages of imported chassis are low maintenance, good maneuverability and fuel economy. The disadvantage is that the price is too high. The biggest advantage of domestic car chassis is that it is cheap, but there are more minor problems. Therefore, there are strengths or choose to import car chassis, more reliable. If the individual’s strength is weak, buying domestically-made products will also make the recovery cost faster, and the quality of domestically-produced vehicles will continue to increase in recent years. 3, buy their own or commissioned car manufacturer to buy In fact, it is the same for the buyers who want to buy their own car. Many buyers think that the car manufacturer will buy the car, and the manufacturers will make money in the middle. In fact, the car manufacturers often buy modified car chassis and generally have a good relationship with manufacturers. The chassis they receive is cheaper and more suitable for retrofit production. And the body and chassis are purchased in one factory, and the buyer can lower the price better. As long as the attention to the parameters of the chassis at the time of signing the contract, etc., in the car manufacturers to buy more convenient. The choice of car body 1, according to the cargo fixed body The choice of the car body is related to the delivery of the specific goods. The manufacturer of the car body manufacturer makes specific demands to customize. For example, refrigerated trucks that carry fresh meat need to be custom-made hooks on the car body; refrigerated trucks that distribute fresh food for the stores have small batches, many varieties, and require multi-temperature refrigerated trucks; the temperature needs are different, and frequent loading and unloading require more refrigerated trucks. All these types of products can be customized by the user to the manufacturer of the car body according to specific needs. 2, Ordinary container change refrigerator? Many netizens asked whether ordinary containers can be changed into refrigerators. The manufacturer's answer is yes, but it is not recommended to use ordinary containers to change refrigerators. They think that it is more cost-effective to convert directly into a refrigerated compartment because the general cargo compartment is made of iron or steel and the heat insulation effect is not very good. At the same time, it is also prone to rust. For example, the seafood is pulled, and the seawater is corrosive. In the selection, it is necessary to pay attention to the anti-corrosion of the car body material. Refrigeration unit selection 1. Independent or non-independent unit Non-independent refrigeration units are cheap and easy to maintain. However, this type of unit itself does not have a power unit, and it must rely on the automobile engine to drive the compressor work to be affected by the working conditions of the car engine and the performance is not as good as an independent unit. Stand-alone refrigeration units have their own engine and generator units that provide power and electrical energy to the refrigeration system. Can work independently, not limited by the working status of the car engine. This cold machine performance is relatively stable, but the price is higher and accessories are more expensive. For short-distance distribution within the city or between counties and districts, if the carriage is less than 7 meters, it is recommended to use non-independent units. Not only is the procurement cost lower, even if a failure occurs, it is relatively convenient to find a maintenance point. For long-distance transportation, where the carriage is more than 7 meters, it is recommended to use a stand-alone refrigerator, because even if the car engine stops working during long-distance transportation, the refrigerator can still be normally cooled to meet the safety of the transported items. 2, cryogenic or fresh-keeping units In terms of price, the chilled units are expensive and the cooling temperature is lower. Fresh-keeping units are relatively cheap. However, for a low-cost fresh-keeping unit, the unit itself does not have a defrosting function. Even if some fresh-keeping units claim to be able to achieve a minus ten degrees, it is an exaggeration. During the time of purchase, choose the cryogenic unit or the fresh-keeping unit according to the different temperature requirements of the refrigerated trucks. 3, imported refrigeration unit or domestic refrigeration unit Imported refrigeration units are expensive and have good cooling effect, and are suitable for users with strong economic strength. Domestic refrigeration units still have a certain gap with foreign brands in temperature control, but the price advantage is obviously suitable for users who pay attention to prices. There is also to tell everyone that regardless of domestic or imported units, we must pay attention to the unit's temperature sensor is enough to install in the return air position of the evaporator, because the unit's temperature sensor installed in the return air or exhaust position in two cases, The temperature reading will differ by about 5 degrees. For those who want to buy enough imported refrigeration units, the money is not very strong, enough to buy second-hand imported refrigeration units is also a good choice. Postscript In general, the refrigerated truck's transportation environment determines its stringent requirements for reliability and stability. The above chassis choice, choice of car body, and choice of refrigeration unit are also related to the reliability and stability of the vehicle. 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