A diesel generator is a small-scale power generation equipment, which refers to a power machine that uses diesel as a fuel and a diesel engine as a prime mover to drive a generator to generate electricity. The whole set of units is generally composed of diesel engine, generator, control box, fuel tank, storage and control storage battery, protection device, emergency cabinet and other components. It can be used for daily power generation and emergency power generation in various homes, offices, large, medium and small enterprises.