Energy storage type constant-temperature and constant-humidity heat pump unit

Abstract

Provided is an energy storage type constant-temperature and constant-humidity heat pump unit. The heat pump unit comprises an evaporator, a humidifier, and an indoor water heat exchanger which are installed indoors; the evaporator is connected with an efficient tank through an electronic expansion valve; the efficient tank is connected with a compressor and the air return end of the evaporator through a four-way valve; the water inlet end of the efficient tank is connected with a water tank through a water pump; the water outlet end of the efficient tank is in parallel connection with an outdoor two-way electromagnetic valve and an indoor two-way electromagnetic valve; the outlet end of the outdoor two-way electromagnetic valve is connected with a port O of an outdoor three-way valve; thewater outlet end of the indoor two-way electromagnetic valve is connected with the water inlet end of the indoor water heat exchanger; the water outlet end of the indoor water heat exchanger is in parallel connection with a first water return electromagnetic valve and a second water return electromagnetic valve; the first water return electromagnetic valve is connected with the water tank; and thesecond water return electromagnetic valve is connected with the water inlet pipe of the water pump. The energy storage type constant-temperature and constant-humidity heat pump unit has the beneficial effects that when the heat pump unit refrigerates or dehumidifies a constant-temperature chamber, water in the water tank can be subjected to heat exchange with the efficient tank through the switching of water paths, and waste heat is stored in the water tank.

Description

technical field [0001] The invention relates to a heat pump, in particular to an energy storage type constant temperature and humidity heat pump unit. Background technique [0002] In the transitional season (or summer), in order to meet the requirements of room temperature and humidity at the same time, the constant temperature and humidity air supply air often needs to be heated (or reheated). For most industrial plants, there is generally a large amount of industrial cooling water waste heat. Just because the temperature of industrial cooling water supply and return water is generally 32-45°C, the waste heat of cooling water at such a lower temperature is difficult to use in actual engineering. However, for the constant temperature and humidity air conditioning system in industrial factories, the amount of heating (or reheating) in the transitional season (or summer) is generally not very large, and the cooling water temperature can also meet the requirements, and the wa...

AI Technical Summary

Problems solved by technology

However, most of the existing heat pump units use heat exchange with the air when cooling or heating, resulting in a large amount of energy being lost in the air and causing waste. Therefore, it is necessary to make further improvements

Images