Device used for providing cool and warm as well as domestic hot water and adopting heat pump set linked with solar energy

Abstract

A device used for providing cool and warm as well as domestic hot water and adopting a heat pump set linked with solar energy comprises a main heat pump set, a thermal-insulation water tank, a domestic water heat exchanger, a cool and warm buffer tank and a controller, wherein an indoor heat exchanger of the main heat pump set is communicated with the thermal-insulation water tank and the cool and warm buffer tank by an electric three-way valve, and the cool and warm buffer tank is communicated with a plurality of load tail end radiators by a water supply pump. The device also comprises a solar heat collecting device, a solar heat transmitting device, an overflow pipe and one or more than two auxiliary heat pump set(s), wherein the solar heat transmitting device is connected between the thermal-insulation water tank and the cool and warm buffer tank; one end of the overflow pipe is communicated with the cool and warm buffer tank, and the other end of the overflow pipe is communicated with a water returning pipe of the radiator; a water outlet pipe of an indoor heat exchanger of the auxiliary heat pump set is communicated with the cool and warm buffer tank, and a water returning pipe of the indoor heat exchanger of the auxiliary heat pump set is communicated with the junction part between the water returning pipe of the radiator and the overflow pipe. By adopting the structure, a heat pump and the solar energy can be utilized with peak efficiency to provide cool, warm and domestic hot water.

Description

technical field [0001] The invention relates to a heat pump unit and solar energy linkage device, in particular to a heat pump unit and solar energy linkage heating and cooling and domestic hot water supply device. Background technique [0002] At present, there is a heat pump unit and solar energy linkage cooling and heating and domestic hot water device, including a heat pump unit, a solar collector, an insulated water tank, a control device, and a load end radiator. The heat pump unit includes a DC frequency conversion outdoor unit, an indoor The heat exchanger, the indoor heat exchanger supplies cooling or heating to the radiator at the end of the load through the water supply pump; the solar collector stores the solar heat energy in the thermal water tank for domestic hot water. The existing problems are: heat pumps can only supply domestic hot water, or only cooling and heating, solar energy can only provide domestic hot water or only heating, and it is impossible to a...

AI Technical Summary

Problems solved by technology

The existing problems are: heat pumps can only supply domestic hot water, or only cooling and heating, solar energy can only provide domestic hot water or only heating, and it is impossible to achieve that solar energy can provide both domestic hot water and heating. It can provide cooling and heating as well as domestic hot water, and it is impossible to allocate corresponding heat pump units and solar collectors according to the proportion of cooling, heating and domestic hot water loads, which is not optimal in practical applications. energy-saving effect

Images