Introduction to the composition of refrigerated truck refrigeration system and the role of each component（2）The refrigeration system is composed of refrigerant and four major parts, namely compressor, condenser, expansion valve and evaporator. Compressor Compressor is the driving force of the refrig

Analysis and prevention of hidden dangers of refrigerated truck accidents（1）A refrigerated truck is a closed van transport vehicle used to transport frozen or fresh-keeping goods. In recent years, as people's requirements for the quality of food preservation and vaccines have become higher and highe

Maintenance and repair of key components of refrigerated trucks（4）The reasons for both high pressure and low pressure include air, too much refrigerant, poor condenser cooling effect, and too large expansion valve opening. First observe whether there is frost on the low pressure pipe. If frost is fo

Maintenance and repair of key components of refrigerated trucks（3）The refrigeration unit consists of an engine system, a refrigeration system, backup power and electrical control devices. The reasons and troubleshooting methods for compressors running normally but not cooling are mainly as follows:T

Maintenance and repair of key components of refrigerated trucks（2）The cleaning of refrigerated trucks is very important. Cleaning the refrigerated compartment has two functions. One is to keep the interior of the compartment clean and prevent strange smells from appearing in the compartment. In addi

How to improve the insulation performance of the refrigerated car body（2）The interior of many refrigerated vehicles is smooth and flat. In fact, the internal surface structure of mid-to-high-end refrigerated trucks is not only uneven but also quite complicated. The operating principle of "six-sided

How to improve the insulation performance of the refrigerated car body（1）With the arrival of midsummer, the demand for refrigerated trucks in the cold chain logistics and transportation industry has gradually increased. If refrigerated truck manufacturers want to gain the favor of major cold chain l