Energy-saving solar air source heat pump multifunctional machine

The invention relates to an energy-saving solar air source heat pump multifunctional machine, comprising a solar heating device and an air source heat pump heating device, and further comprising a refrigeration and heating water circulation loop, a sunlight-free independent heating water circulation loop, a weak-sunlight independent heating water circulation loop, a strong-sunlight independent heating water circulation loop and an independent refrigeration circulation loop. The energy-saving solar air source heat pump multifunctional machine of the invention organically combines solar energy with an air source heating pump, so that heat of the solar energy is fully used for solving a problem of being lack of heat in the air source heating pump, and heating capacity and energy efficiency ratio of products are both improved.