CN201717804U - Solar electric heating comprehensive utilization system - Google Patents

Abstract

The utility model relates to a solar electric heating comprehensive utilization system, which comprises a spectroscope, two condensers and two heat-pipe radiators. Light spots of the condensers are square, condensing ends of the heat-pipe radiator are provided with radiating fins, the total condensing portion of each heat-pipe radiator is mounted in a pipe, and a water inlet pipe and a water outlet pipe are respectively mounted at two ends of the pipe. Sunlight passes through the spectroscope at first so as to sort the most sensitive wave band of a photovoltaic plate and then is condensed onto the photovoltaic plate, thereby not only increasing power generation efficiency, but also avoiding generation of great quantities of heat.

Description

The solar electrothermal utilization system

Technical field

The utility model belongs to the renewable energy source domain, by beam split, optically focused, tracking and heat-pipe radiator conversion of solar energy is become electric energy and heat energy, and its comprehensive conversion efficiency can reach more than 60%.

Technical background

Present solar power generation (photovoltaic generation) major part is fixed, and is because sun's motion, only most effective when being vertical at the light of the relative sun of photovoltaic panel.Also have the small part band to follow the tracks of, also testing mostly, do not put on market, its efficient improves about 40% than fixed.Also have a kind of optically focused band to follow the tracks of, have only several families testing, efficient improves a lot of times than fixed, and wherein heat radiation is a bigger difficult problem.At present domestic also do not see adopt after the beam split report of concentrating method again, only see that to carry out the branch phototesting in the laboratory of Delaware, USA university close with our theory, but the method difference of taking, its conversion efficiency reaches 42.8%.They absorb the different wave band of sunlight with different photosensitive materials.

This project is to use common photovoltaic panel and thermo-electric generation sheet, and its technology is ripe.Estimate that 50～70% of solar irradiation energy can utilize (efficient of conventional photovoltaic panel is about 15%).The utility model can be gathered solar energy 500～700W (comprising electric energy and heat energy) in (under standard irradiation situation) on one square metre the area

Utilance through the preliminary test photovoltaic panel can improve 9.92 times, and the composite price of electricity generation system can be reduced to 35～50 yuan/W from 50～70 yuan original/W.After finishing, this project solar energy utilization rate can be brought up to for about 60% (comprising electric energy and heat energy summation) from present 15%.

Summary of the invention

Native system is that sunlight is passed through spectroscope earlier, the wave band the most responsive photovoltaic panel branches away, optically focused is on photovoltaic panel again, both improved generating efficiency, do not produce a large amount of heat again, adopt heat-pipe radiator simultaneously, heat is derived rapidly, make photovoltaic panel can not reduce generating efficiency, the heat of the derivation usefulness of can biding farewell because temperature raises.Pass through spectroscope, and infrared band that mainly produce heat insensitive photovoltaic panel branches away, poly-again to thermo-electric generation plate, generate electricity, the huyashi-chuuka (cold chinese-style noodles) of thermo-electric generation plate is close on the heat-pipe radiator, with the rapid temperature difference that derives with the cold and hot two sides of assurance thermo-electric generation plate of heat, thereby improve energy output.If the heat of deriving for large-scale power station surpasses 100 ℃, but also pushing turbine generates electricity again, for the medium-sized hot places of needs usefulness such as oven dry, greenhouse that can be used as, for civilian project such as small-sized can be used as heating, have a bath.

Native system comprises spectroscope, two condensers and two heat-pipe radiators; The hot spot of condenser is square; The condensation end of heat-pipe radiator has fin, and whole condensation portion is contained in a pipe the inside, and water inlet pipe and outlet pipe are equipped with in the pipe two ends.

Description of drawings

Accompanying drawing is a theory diagram of the present utility model.

Embodiment

The material of spectroscope and condenser can adopt the high transparent plastic of refractive index, presses the manufacture method processing of Fresnel Lenses, and lens is in light weight like this, is convenient to produce in batches.The hot spot of condenser adopts square, like this can be than the raising daylighting rate of circle.Tracking mode adopts day tracking and season to follow the tracks of unrelated tracking mode, the energy consumption that can save tracking section.Conventional at present tracking mode is to adopt the mode of rotation and pitching, follows the tracks of all necessary simultaneously work of action rotation and pitching at every turn.

Between photovoltaic panel and the aluminum substrate insulating heat-conductive layer to be arranged, should be coated with heat-conducting silicone grease between the aluminum substrate of photovoltaic panel and the heat-pipe radiator, the condensation end of heat-pipe radiator is equipped with fin, and fin is encapsulated in the sealing protective tube, and pass to cooling water, heat is taken away.

Claims (1)

1. solar electrothermal utilization system, it is characterized in that: this system comprises spectroscope, two condensers and two heat-pipe radiators;

The hot spot of condenser is square; The condensation end of heat-pipe radiator has fin, and whole condensation portion is contained in a pipe the inside, and water inlet pipe and outlet pipe are equipped with in the pipe two ends.

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