Photovoltaic photo-thermal energy-storage heat pump system

A heat pump system and photothermal technology, applied in the fields of solar heat collection and energy storage heat pump, can solve the problems of heat not attracting people's attention and not being used well, and achieve the improvement of photothermal conversion efficiency, efficient utilization, and improvement of conversion efficiency. Effect

Inactive Publication Date: 2012-06-13
NANJING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the large amount of heat taken away by the fluid has not attracted people's attention and has not been well utilized.

Method used

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  • Photovoltaic photo-thermal energy-storage heat pump system
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  • Photovoltaic photo-thermal energy-storage heat pump system

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] refer to figure 1 , figure 2 As shown, the photovoltaic photothermal energy storage heat pump system of the present invention includes: a four-way reversing valve 1, an outdoor heat exchanger 2, an indoor heat exchanger 3, a compressor 4, a regenerator 5, a photovoltaic photothermal evaporator 6 and A water heater 8 with a heating coil 7 inside; the outlet of the compressor 4 is connected to the four-way reversing valve 1 through the heating coil 7 of the water heater 8, the inlet of the compressor 4 is connected to the four-way reversing valve 1, and the outdoor heat exchanger 3 One end is connected to the four-way reversing valve 1, and the other end is divided into two branches, one is connected to the photovoltaic photothermal evaporator 6 through the first throttle valve 9, and the other is passed through the regenerator 5 and the second throttle in turn....

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Abstract

The invention discloses a photovoltaic photo-thermal energy-storage heat pump system and belongs to the field of solar heat-collection and energy-storage heat pumps. According to the photovoltaic photo-thermal energy-storage heat pump system, a photovoltaic photo-thermal evaporator is combined with an energy-storage heat pump, cold and hot water can be supplied indoors under a refrigeration operation condition by connecting the photovoltaic photo-thermal energy-storage heat pump system with a four-way reversing valve and a plurality of throttle valves, heat and hot water can be supplied indoors under a heating operation condition, and meanwhile, the conversion efficiency of photovoltaic cells is improved by reducing the working temperature of the photovoltaic cells. The photovoltaic photo-thermal energy-storage heat pump system has the advantages of environment protection, energy saving, safety and energy efficiency higher than that of the conventional single system, and improves the photovoltaic conversion efficiency, the photo-thermal conversion efficiency and the energy efficiency of the heat pump system.

Description

technical field [0001] The invention relates to the field of solar heat collection and energy storage heat pumps, in particular to a photovoltaic photothermal energy storage heat pump system. Background technique [0002] In recent years, heat pump technology has developed rapidly, and more and more attention has been paid to it because of its advantages of high efficiency and energy saving. Under the same conditions, the power consumption of the heat pump water heater is only 1 / 3 to 1 / 4 of that of the electric water heater, so its energy saving potential is huge. However, the application stability of heat pump devices in many fields is not good. Solar heat pumps can effectively utilize solar energy and reduce the cost of heat collection. However, solar energy itself is unstable due to factors such as latitude, weather, and seasons. When solar energy is insufficient, the heating effect will not work. If solar energy continues to be sufficient, excessive heating will easily ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B29/00F25B41/04F25B41/06F25B39/02
CPCY02B30/72Y02B30/70
Inventor 方贵银单锋陈智曹磊
Owner NANJING UNIV
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