Multi-source heat pump cold and hot water unit integrating solar energy, air energy and sleeve accumulated energy

Abstract

The invention relates to a multi-source heat pump cold and hot water unit integrating solar energy, air energy and sleeve accumulated energy. The multi-source heat pump cold and hot water unit is mainly composed of a solar thermal collector, an energy storage heat exchanger, an outdoor air heat exchanger, a compressor, a thermal storage water tank, a user side heat exchanger, a gas-liquid separator, a heat collecting water pump, a user circulating water pump, an electromagnetic valve, a motor-driven three-way reversing valve, a motor-driven four-way reversing valve, a start-stop valve, a throttling valve, a one-way valve and the like; according to different outdoor climatic conditions, multiple operation modes such as direct solar heat supply, living hot water produced by solar, solar heat accumulation, heat supply of an energy storage heat pump, heat supply of an air source heat pump, energy storage and air source heat pump combined heat supply, living hot water produced by an air source heat pump, cold supply of air source heat pump, air source heat pump cold accumulation, heat pump cold accumulation and production of life hot water, and cold accumulation cold supply are realized. The complementary utilization of air energy and solar energy and two-way utilization of cold and heat of a heat pump unit are realized, and one set of equipment is adopted to realize heating, refrigeration, energy storage and living hot water supply.

Description

technical field [0001] The invention belongs to the technical field of air conditioning energy saving, and specifically relates to a multi-source heat pump cold and hot water unit integrating solar energy, air energy and bushing energy storage, which can realize the comprehensive utilization of energy adapting to climate and environment changes throughout the year. Background technique [0002] At present, air source heat pumps are widely used, but they are also affected by factors such as low temperature operation efficiency and frost formation. Therefore, integrated systems of air source heat pumps and other technologies emerge in endlessly. However, most integrated systems are basically the mechanical superposition of several technologies, and cannot realize energy-saving systems that adapt to changes in various weather conditions throughout the year. Contents of the invention [0003] The task of the present invention is to propose a multi-source heat pump cold and hot...

AI Technical Summary

Problems solved by technology

[0003] The task of the present invention is to propose a multi-source heat pump cold and hot water unit integrating solar energy, air energy and casing energy storage, so as to comprehensively utilize various energy-saving measures to realize the operation of the integrated system under the condition of efficiently adapting to the changing weather throughout the year. A multi-purpose heat pump system integrating multiple energy-saving technologies such as solar energy, energy storage, air source heat pump and heat pump water heater, to solve the problems of solar energy instability, intermittent, low operating efficiency of air source heat pump in low temperature environment, etc. peak shaving and valley filling, comprehensively and fully utilize renewable energy, and achieve the purpose of maximizing the use of energy

Images