Semiconductor refrigeration and air conditioning technology

Core tip: the application and development of semiconductor refrigeration air conditioning. After reviewing the development of thermoelectric air conditioning technology in the past 40 years, especially in the past 10 years, it is pointed out that large-scale thermoelectric air conditioning systems are still difficult to be popularized as ordinary building air conditioning in the near future, while small thermoelectric air conditioning devices have unique advantages when applied to special occasions

The application and development of semiconductor refrigeration air conditioning, reviewing the development of thermoelectric air conditioning technology in the past 40 years, especially in the past 10 years, points out that large-scale thermoelectric air conditioning systems are still difficult to promote as ordinary building air conditioning in the near future, while small thermoelectric air conditioning devices have unique advantages when applied to special occasions, and CFCs substances have been banned globally since the 1990s, It is expected that superlattice structure is a potential way to improve the coefficient of merit of thermoelectric materials. Thermoelectric refrigeration, also known as semiconductor refrigeration, has no compressor or refrigerant and is characterized by convenient control, reliable operation, flexible layout and strong adaptability. In the late 1990s, CFCs were banned globally. Against the background of the urgency of energy conservation and environmental protection, the penetration and promotion of new materials and other related technologies provided new development opportunities and power for thermoelectric air conditioners.
Organization structure of thermoelectric air conditioning system: large thermoelectric air conditioning, small thermoelectric air conditioning. Application and development of thermoelectric air conditioners: submarine, warship, electronic vehicle air conditioners, passenger train air conditioners, automobile air conditioners, water source heat pumps, small thermoelectric air conditioners, semiconductor refrigeration air conditioners, thermoelectric refrigeration technology development prospects: the improvement of thermoelectric refrigeration performance is fundamentally determined by two factors, namely, the improvement of thermoelectric materials; Optimization of thermoelectric cooler structure. Large thermoelectric air conditioners are difficult to be popularized as conventional building air conditioners recently, but they still have special advantages in military, aerospace and other fields.
In areas with refrigeration as the main part and abundant underground water sources, it is more realistic to use thermoelectric water source heat pumps; The advantages of small thermoelectric air conditioning devices used for special purposes such as the cab and operating room space are of concern; The special purpose micro thermoelectric air conditioning device has the advantage that the compression refrigeration device cannot replace. The size miniaturization is an important development direction of thermoelectric refrigeration module, but it will take some time for some theoretical optimization structure models to reach the engineering application stage; It is expected that superlattice nanomaterials are the most potential way to improve the merit of thermoelectric materials. Since the late 1980s, CFCs have been banned globally. Against the background of the urgency of energy conservation and environmental protection, as well as the penetration of electronics, new materials and other related technologies, thermoelectric refrigeration and air conditioning technology has provided new development opportunities and power.