Refrigeration and heat supply system and refrigeration and heat supply method of solar energy and heat pump system combined operation

Abstract

The invention discloses a refrigeration and heat supply system of solar energy and a heat pump system combined operation. The refrigeration and heat supply system of the solar energy and the heat pump system combined operation comprises a solar energy system and the heat pump system. The solar energy system comprises a solar thermal collector and a by-path A, a circulating pipeline A is connected between an outlet end of the solar thermal collector and an inlet end of the solar thermal collector, a cooling tower, a heat preservation water tank and a circulating water pump are connected on the circulating pipeline A in sequence, the heat pump system comprises a heat supplying pump and a floor board heating system, wherein a circulating pipeline B is connected between an outlet end of the heat preservation water tank and an inlet end of the heat preservation water tank, and the heat supplying pump and the floor board heating system are connected on the circulating pipeline B in sequence. According to the refrigeration and heat supply system of the solar energy and the heat pump system combined operation, the solar energy system and the heat pump system can be selected to work independently or in a combined mode according to specific whether conditions. In summer, the working mode of the heat pump system can be switched between refrigeration and heating, so that solar energy can be used in a high-efficiency mode. High-temperature water generated by the solar thermal collector can pass through the cooling tower to be cooled when temperature of water is too high, a tube bundle of the solar thermal collector is protected, and the fact that the tube bundle bursts due to the fact that the temperature of the water is too high is prevented.

Description

technical field [0001] The invention relates to an air-conditioning system, in particular to a cooling and heating system in which solar energy and a heat pump system operate jointly. Background technique [0002] Traditional air conditioners use electricity to provide heat. With the development of the economy, the use of air conditioners has become more and more extensive. In recent years, with the intensification of the energy crisis and the increasingly serious environmental pollution, as a renewable and clean energy source - solar energy has received more and more attention. At present, solar energy is gradually being used in various industries such as power generation and air conditioning. [0003] However, due to the low density of solar energy, the use of solar heat pumps requires a very large area of ​​vacuum heat collectors. In cities, there are many tall buildings, which limits the use of solar heat pumps. Small villas and schools have independent campuses and re...

AI Technical Summary

Problems solved by technology

When the water temperature is not enough in winter, the energy-saving effect is not obvious when the water temperature is not enough; in summer, the water temperature is too high, and the vacuum heat collecting tube may burst, and many other factors affect the use of solar heat pumps

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