Refrigerated vehicle is the transport equipment in low temperature cold chain logistics. Road transport refrigerated vehicle is usually composed of chassis, insulation box and refrigeration unit.

Refrigerated vehicle is usually used to transport frozen or fresh-keeping goods, which is a special refrigerated transport vehicle equipped with refrigeration unit and polyurethane insulation box. It is often used to transport frozen food, dairy products, vegetables and fruits, vaccines and drugs. The principle of temperature sensor is applied.

According to the classification, it can be divided into small refrigerated vehicles, medium-sized refrigerated vehicles, medium-sized refrigerated vehicles, large refrigerated vehicles, bread refrigerated vehicles and hanging refrigerated vehicles. So when we choose, we also consider three aspects;

First, the choice of the heart:

The chassis is the heart of refrigerated vehicles: the automobile chassis commonly used in the market is Dongfeng series, Jiefang series, Futian series, Jianghuai series and Isuzu series, etc. From the price, Dongfeng, Jiefang series chassis is cheaper. From the configuration, comfort and power, Futian, Jianghuai and Jiangling series chassis are more affordable. From the brand perspective, the brand effect of Isuzu is also good. They all have their own advantages and disadvantages. They should see how many goods they pull. In the view of van Refrigerated light truck, if heavy goods are pulled more often, it is recommended to choose OMAC S3. At present, Cummins power of the car is more ideal, At present, the advertisement of Foton manufacturer is 20000 km maintenance once. If you look at it in this way, it is also a good choice. Of course, this depends on your choice.

Second, the design of soul:

The refrigerated box body is the soul of cold storage and heat preservation. Its design composition is generally external FRP, inner glass fiber or glass fiber reinforced plastic. If stainless steel is required to be selected at high points, because the strength of glass fiber is the worst, the FRP is the second, the strength of stainless steel is better, of course, the price is relatively high, and the floor plate is made of patterned aluminum alloy or stainless steel which is more durable. The panel is assembled, polyurethane foam is made in the middle, and vacuum bonding type is made by hot pressing. There are several different processes for box body production. Manual welding and automatic welding are used at welding points. The former welding uniformity is different from the machine. The vacuum bonding hot pressing is expensive, but the insulation effect is also the best. After all, the use of materials and technology will affect the insulation effect, So it's inevitable to have a cent and a cent. To make a clean, easy to clean, corrosion-resistant refrigerated chamber with both heat preservation and high strength, vacuum bonding hot pressing and stainless steel inner coating (automatic welding) should be selected. The previous only talked about the technical materials, the core of the selection of the box body or to see what goods they originally pulled, if it is fresh vegetables and fruits, we should install ventilation slot, or warm area, if it is to pull pork, we should choose the guide rail meat hook, etc.

Third: the brain of thought

The refrigeration unit of the refrigerator is the brain center. It is set by the temperature regulation of the refrigerator, so that the body of the box can be kept at a constant temperature. But to say, the refrigerator of the light truck is mainly kept at the temperature, not in the real sense. The chiller is composed of compressor, condenser, evaporator and temperature control device. At present, the chillers are divided into two types: domestic and imported. The imported refrigerators are of good quality and the domestic ones are not bad at present. The famous ones are the United States lengwang, Kaili, Japan electric equipment, Hanya, etc., while the products produced in China include Sanfeng, dongke, Hanshi, Huatai, etc. Both domestic and imported products can reach deep cold, below zero 18 ℃, but the difference is that there is difference in cooling process time and outdoor temperature. So choosing a good refrigerator can protect the soul of transportation. If the temperature requirements are not too high, choose the domestic brand, and if the temperature is lower, choose the imported brand.

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