Indirect-expanding solar assisted multifunctional heat pump system
A heat pump system and solar energy technology, applied in solar thermal power generation, solar thermal devices, heat pumps, etc., can solve the problems of inability to operate at the same time, the influence of ordinary hot water production mode operation, etc., and achieve easy implementation, good application prospects, and extended time. Effect
Inactive Publication Date: 2012-07-04
ZHEJIANG UNIV
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Problems solved by technology
However, since there is only one water tank in the system, the winter solar auxiliary heating mode requires the temperature of the water tank to be lower, while the normal heating water mode requires the temperature of the water tank to be higher, which will make the two modes cannot be operated at the same time
The operation of ordinary hot water mode is affected
Method used
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[0017] Such as figure 1 As shown, an in-expansion solar-assisted multifunctional heat pump system includes a refrigerant circulation system and a domestic water circulation system, wherein the refrigerant circulation system includes a compressor 1, a first four-way reversing valve 2, a second four-way reversing valve Directional valve 3, indoor heat exchanger 4, outdoor heat exchanger 5, high-pressure liquid storage tank 9, dry filter 10, first stop valve 11, first stop valve 12, third stop valve 13, first throttling element 14. The second throttling element 15 , the third throttling element 16 , the first one-way stop valve 17 , the second one-way stop valve 19 , the third one-way stop valve 20 , the indoor fan 21 and the outdoor fan 22 . The four ports of the first four-way reversing valve 2 are respectively: the first port 2a, the second port 2b, the third port 2c and the fourth port 2d; the four ports of the second four-way reversing valve 3 are respectively: The first po...
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The invention claims an indirect-expanding solar assisted multifunctional heat pump system, comprising a refrigerating fluid circulating system and a domestic water circulating system. The refrigerating fluid circulating system is provided with a compressor, an indoor heat exchanger, a refrigerating fluid-water heat exchanger, an outdoor heat exchanger, a high-pressure liquid storing pot, a device for drying and filtering, a four-way reversing valve, a throttling element, a one-way disconnecting valve and a disconnecting valve which are sequentially connected; and the domestic water circulating system is provided with a water tank, a water circulating pump and a solar heat collector which are sequentially connected. In the invention, a heat pump type air conditioner and a water heater arecombined together by adopting the very simple, economical and reliable way so that the comprehensive utilization of the solar energy can be realized in multiple heat pump type air-conditioning systems; and the system provided by the invention has very strong air-conditioning system and is particularly suitable for the fields which have abundant solar energy and need air conditioners and a lot of hot water at the same time.
Description
technical field [0001] The invention belongs to the fields of heat pump air conditioners, heat pump water heaters and heat energy utilization, and in particular relates to an in-expansion solar-assisted multifunctional heat pump system. Background technique [0002] It has become a worldwide trend to develop green energy, protect the environment and develop in harmony with the environment. The combination of solar energy and heat pump technology is an important direction for energy conservation and emission reduction. The indirect expansion (referred to as indirect expansion) solar-assisted heat pump uses heat-carrying fluid to supplement solar energy to the heat pump evaporator side, increasing the evaporation temperature to achieve more efficient heating. The combination and use of solar water heaters and household heating and cooling air conditioners can not only meet the various needs of ordinary families for cooling, heating and hot water throughout the year, but also ...
Claims
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IPC IPC(8): F25B29/00F25B30/00F25B41/04F25B41/06F24H4/02F24J2/00
CPCY02E10/40
Inventor 王勤刘玉迁陈光明梁国峰贺伟黎佳荣
Owner ZHEJIANG UNIV