Flat-plate type solar combined heat-electricity supply device

A technology of combined heat and power and solar energy, which is applied in the fields of solar photovoltaic technology and solar air heat collection, and can solve problems such as not involving air flow channels and not involving

Inactive Publication Date: 2011-01-05
ZHENJIANG XINMENGXI ENERGY TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, there are several schemes for heat recovery and utilization of solar photovoltaic cells, but none of them involves using solar photovoltaic cells and heat collector plates coated wi

Method used

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  • Flat-plate type solar combined heat-electricity supply device
  • Flat-plate type solar combined heat-electricity supply device
  • Flat-plate type solar combined heat-electricity supply device

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Embodiment Construction

[0014] The embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0015] When sunlight hits the surface of the solar photovoltaic cell 1 with a certain light transmittance, a part of the solar energy is converted into electrical energy and heat energy by the solar photovoltaic cell 1, and the other part passes through the solar photovoltaic cell 1 and irradiates on the heat collecting plate 2, and is collected by the solar photovoltaic cell 1. Plate 2 converts heat energy. Due to the thermal insulation effect of the thermal insulation shell 3, the heat collecting plate 2 generates high temperature. When the fan is working, the air flows into the inlet pressure equalizing chamber 4 from the inlet 7. Due to the effect of the small holes on the inlet equalizing pressure chamber 4 and the outlet equalizing pressure chamber 5, the air is divided in the inlet equalizing pressure chamber 4 and then enters the air flow cha...

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Abstract

The invention discloses a flat-plate type solar combined heat-electricity supply device with both electricity generating and heating functions, wherein a solar photovoltaic battery and a solar air heat-collecting device are combined without consuming any conventional energy sources to simultaneously carry out electricity supply and heating for a building. The device has small occupied space and regular and attractive appearance and is easily combined with the building. When the device works, sunlight is irradiated on the surface of the solar photovoltaic battery (which can be a film battery using glass as a substrate) with certain light transmittance, one part of solar energy is converted into electrical energy and heat energy through the solar photovoltaic battery, and the other part penetrates through the solar photovoltaic battery, is irradiated on a heat-collecting plate and is converted into the heat energy through the heat-collecting plate. Air is together heated through the heat generated by the solar photovoltaic battery and the heat-collecting plate, a fan works by utilizing the electrical energy generated by the solar photovoltaic battery, and the hot air is pumped into a room to heat the room. In the process, the utility model optimizes an air flow passage by utilizing a voltage-sharing cavity, eliminates the local temperature rise caused by non-uniform heat exchange, not only improves the heat efficiency of the device, but also increases the heat radiating speed of the solar photovoltaic battery and improves the photoelectric conversion efficiency of the solar photovoltaic battery.

Description

1. Technical field [0001] The invention relates to solar photovoltaic technology and solar air heat collection technology, in particular to a solar heat and power cogeneration device that combines solar photovoltaic cells and solar air heat collection devices without consuming any conventional energy to simultaneously supply power and heat buildings. 2. Background technology [0002] In the field of solar energy applications, the current market-oriented products at home and abroad are mainly solar water heaters and solar photovoltaic cells. In addition, solar heating products using air as the medium have gradually entered the market. Among them, solar heating products are more used in winter, which has a certain seasonality, but has high thermal efficiency; solar photovoltaic cells can be used throughout the year, but the photoelectric conversion efficiency is low. On the other hand, only a small part of the solar radiant energy incident on the surface of the solar photovolt...

Claims

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Application Information

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IPC IPC(8): H02N6/00F24J2/20F24J2/48H01L31/052F24S10/50H02S40/44
CPCY02E10/44Y02B10/10Y02E10/50Y02B10/70Y02E10/60
Inventor 王坤左然刘强强丁刚苏文佳
Owner ZHENJIANG XINMENGXI ENERGY TECH
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