Double-effect evaporative condenser and control method

Abstract

The invention discloses a double-effect evaporative condenser and a control method. The condenser comprises a fan motor, an axial flow fan, a machine shell, a finned heat exchanger, a controller, a refrigerant liquid pipe and a refrigerant gas pipe. The machine shell is provided with an air inlet and an air outlet and internally provided with corrugated filler and a water trough, an air valve is arranged on one side of the machine shell and provided with an air valve executor, and the air valve and the corrugated filler are arranged side by side. An environment temperature and humidity sensor is arranged on the outer side of the machine shell, and a water temperature sensor is arranged in the water trough. A water conveying pipe is installed on the machine shell, wherein one end of the water conveying pipe is communicated with the water trough through a water pump, and the other end of the water conveying pipe is communicated with a water distributing pipe. According to the double-effect evaporative condenser and the control method, the refrigerating function and the heating function are equally considered, numerical values detected by the environment temperature and humidity sensor and the water temperature sensor are used for controlling on-off of the water pump, the axial flow fan and the air valve so as to improve the heat exchange efficiency of refrigerant with water and air, good refrigerating and heating functions are achieved, high energy efficiency is achieved in the refrigerating running process, and the heating capability equivalent to that of an air-cooling air conditioner can be achieved.

Description

technical field [0001] The invention specifically relates to a double-effect evaporative condenser and a control method. Background technique [0002] Heat exchange devices are usually used in temperature regulating devices, such as air conditioners, refrigeration equipment, and heating equipment. The principle is to lower the temperature of the heat exchange device by introducing low-temperature refrigerant into the heat exchange device, and then flow air through the heat exchange device to cool the air to achieve the cooling effect; or heat the heat exchange device, and then The air flows through the heat exchange device to heat up the air to achieve the heating effect. [0003] The commonly used heat exchanger is a finned heat exchanger, and a number of pores are densely distributed in the heat exchanger, and the refrigerant flows through the pores to complete the heat exchange between the refrigerant and the heat exchanger. Several fins are arranged on the surface or i...

AI Technical Summary

Problems solved by technology

The water and air flowing in the separate fin heat exchanger exchange energy with the refrigerant flowing through the copper tube in the fin heat exchanger. Since the heat transfer efficiency of the air flowing through the fin heat exchanger is low, the fin heat exchange If the condenser is used as the condenser of the air-conditioning system, the energy consumption of the air-conditioning system is high; the existing shell-and-tube heat exchanger as a condenser is limited to only water as the medium for heat exchange with the refrigerant flowing through it, and has high efficiency as refrigeration. But the heating function cannot be realized

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