Method of fan concentration of solar power and device for its implementation

FIELD: agriculture.

SUBSTANCE: invention relates to agriculture, in particular, to methods and devices for providing energy to remote agricultural facilities not equipped with stationary energy supply. The method of fan concentration of solar power lies in fan concentration of solar irradiation, and the concentrated irradiation with one concentrator with a mirror reflector is transmitted to the next one. The device of fan concentration of solar power comprises paraboloidal concentrators with mirror reflectors in focus. Summation of the energy of solar irradiation is carried out by fan set of the predetermined number of concentrators with mirror reflectors in focus. The predetermined receiving power of solar irradiation is obtained by calculation of the required number of fan concentrators.

EFFECT: improvement of efficiency of the method.

4 cl, 5 dwg

 

Application: on remote objects agriculture without stationary energy supply.

The inventive device is a fan of installed solar concentrators for the sequential summation of solar radiation.

Effect: the effect of receiving solar energy given power during daylight hours.

A prototype of this invention is the patent of the RF No. 2338128. But the downside of it is the possibility of receiving a limited power of solar energy. This disadvantage is eliminated in the present invention.

The proposed method is a fan of concentration of solar radiation. The method is provided with a radial placement of solar concentrators, in which concentrated solar radiation concentrator mirror is transmitted to the next hub, then similarly one or two for the next fan hub. Thus, the summed energy of solar radiation concentrators transmitted to a next hub. And so fan the concentration of solar radiation occurs up to the last single hub.

The device operates as follows: figure 1 shows - paraboloid concentrators 1, installed on the surface see what I use racks 3, concentrate in focus solar radiation, shown by rays L1, L2, L3, L4. The focus of each parabolic placed mirror 2 for reflecting the focused radiation on the spherical surface of the subsequent hub. The drawing clearly rays shows the sequential summation of concentrated solar radiation. Figure 2 shows the fan Assembly of twenty-one hub nto=21. The number of hubs in the Assembly can be any, depending on the desired capacity of solar energy. The summation of solar radiation is shown by rays L1-L8from the first line of the hub until the last 21 on which the total solar radiation will be L. Figure 3 shows the three build solar concentrates nsat=3, placed on the ground relative to sunrise and sunset. The optimal power of the solar radiation of the same Assembly of the hub taken as a unit. Figure 4 figure the marked portion of the total power of the concentrated solar radiation Assembly of the hub when directed, as shown by the arrow, the flow of light on the front of the first line concentrators. Figure 5 shows a graph of the total concentrated solar radiation three assemblies hubs within a 12-hour days.

<> The exemplary embodiment of a fan Assembly of solar concentrators - drawing Figure 3: the capacity of Its solar radiation of 1 kW/m2when the optical efficiency=0,7 is Fwith=0.7 kW/m2.

The area of the hub with a diameter of 1 m will be

Sto=πr2=3,14·0,52=0,785 m2

The maximum thermal power hub

Pto=Ec·Sto=0,7·0,785=0,5495 kW

The maximum thermal power of all assemblies hubs will be

Ptotal=Pto·nto·nsat=0,5495·21·3=34,6 kW

The advantage of this device is the possibility of obtaining solar energy during the day length with minimal material costs.

1. Way to fan the concentration of solar energy is a fan of concentration of solar radiation, characterized in that the concentrate radiation in one hub with mirror reflector is passed to the subsequent.

2. The method according to claim 1, characterized in that the reflected rays hub on the mirror surface, placed in the focus of the hub, re-reflect on the spherical surface of the subsequent hub.

3. The method according to claim 1, characterized in that the target total energy flux of solar radiation from all hubs are sent to the last single hub.

4. The mouth of austo fan concentrating solar power contains paraboloid concentrators with mirror reflectors in focus characterized in that the fan is set a specified number of hubs with mirror reflectors focus perform the summation of the energy of solar radiation.



 

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EFFECT: improved control of aiming and simplified visual adjusting of solar power plant.

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