CN101887137A

CN101887137A - Lens of solar power generation heat collection device

Info

Publication number: CN101887137A
Application number: CN2010101883013A
Authority: CN
Inventors: 袁长胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-06-01
Filing date: 2010-06-01
Publication date: 2010-11-17

Abstract

The invention discloses a lens of a solar power generation heat collection device, which is a flat or arc-shaped lens. The lower surface of the flat for arc-shaped lens is provided with linear micro grooves which are in a toothed shape or circular arc shape. The lens and a module box are in plug-socket connection; and the upper surface of the lens is provided with a mechanical dust scraper. The lens of the solar power generation heat collection device has the advantages that: the structure is simple, the design is smart, the light transmittance is as high as up to over 85 percent, the temperature resistance is 100 DEG C, yellowing and aging are prevented, and the impact strength is high; the lens surface is provided with the mechanical dust scraper to remove dust and stain periodically, so the light transmittance is improved and the power generation efficiency is improved; the lens and the module box are in plug-socket connection; and the structure is simple and firm.

Description

A kind of eyeglass of solar generating heat collecting device

Technical field

The present invention relates to a kind of solar generating heat collecting device, relate in particular to a kind of eyeglass of solar generating heat collecting device.

Background technology

At present, along with going from bad to worse of the in short supply day by day and global environment of traditional energy, various countries improve constantly for the attention degree of regenerative resource.And in many regenerative resources, have only the inexhaustible and not pollution of sun power, be the regenerative resource that has development potentiality most.The form of utilizing of sun power comprises photovoltaic, photo-thermal etc.

Along with the improving constantly and the reduction day by day of cell thickness of transformation efficiency, crystal silicon solar batteries is the main flow of occuping market gradually in recent years.But the fast development of crystal silicon battery has but caused interior critical shortage of the time once of silicon raw material, and silion cell produces a large amount of resource consumptions in process of production.Make that the cost of photovoltaic generation is high, and phototranstormation efficiency is less than 24%, amorphous and film efficiency of light energy utilization difference and increase environmental burden can not produce heat energy.Therefore, how to seek new material, new construction improves the sun power service efficiency, reduces cost, become heliotechnics obtain extensive popularization and application the problem that must solve.

And traditional Fresnel Lenses is a point focusing, point focusing is that sunshine is accumulated on the photovoltaic cell chip, cause the temperature of photovoltaic cell chip too high, aggravated the hot degradation effect of photovoltaic cell chip, and need degree of precision two dimension solar tracking tracking drive device, and the Fresnel Lenses usable floor area is bigger, and the photovoltaic cell chip area is less, overall space utilization factor deficiency, and there is the high acceptance angle that is difficult to realize, and light distribution is inhomogeneous behind the optically focused, and cooling heat dissipation makes the easily aging distortion of chip inadequately, the efficient decay.

Summary of the invention

Goal of the invention: at the deficiencies in the prior art, the purpose of this invention is to provide a kind of eyeglass of solar generating heat collecting device, to realize having self-cleaning function, the light transmission rate height is difficult for advantages such as aging distortion.

Technical scheme: in order to realize the foregoing invention purpose, the technical solution used in the present invention is:

A kind of eyeglass of solar generating heat collecting device, described eyeglass are flat shape or Arc lens; On the lower surface of described flat shape or Arc lens, be provided with the little ditch of linear pattern.The little ditch of described linear pattern is dentation or the little ditch of circular-arc linear pattern.

Described eyeglass adopts insertion slot type to be connected with the module casing; On the upper surface of described eyeglass, be provided with mechanical dust scraper.Required power supply provides for self power generation, timing or Remote cleaning works.Described insertion slot type connects and comprises and be equipped with arc cam in 2 side inboards of wire clamp by wire clamp, is equipped with the arc groove that matches and use with arc cam on the lower surface at the upper surface of eyeglass long side and module casing edge.In installation process, after eyeglass and module casing aligned, insert slot and get final product, make eyeglass and module casing tighten mutually.

Described eyeglass can use separately for 1, also can be 2,3,4 or polylith, and the quantity and the generated energy of eyeglass are proportional, and eyeglass is The more the better in theory.When use surpassing 1 simultaneously, each piece eyeglass adopts laterally side by side, the parallel longitudinal mode connects, and is connected mutually at 2 eyeglasses that laterally connect side by side on the lower surface of part to be provided with reinforcement.

The upper surface of described eyeglass is provided with the mechanical dust scraper device.Eyeglass influences the transmittance of eyeglass owing to the covering of dust or snow, and the generating efficiency of battery chip reduces or is zero.Utilize the dust blowing apparatus, the dust or the snow of eyeglass are removed.Make the generating efficiency of battery chip to improve greatly.

Eyeglass of the present invention adopts compound high light transmissive material to be made, and the transmittance height reaches more than 85%, and is high temperature resistant more than 100 ℃, xanthochromia, anti-aging not, and the impact strength height, this point is different from general Fresnel Lenses.The lower surface of eyeglass main body is provided with little groove structure of dentation linear pattern or the little groove structure of circular-arc linear pattern, the numbers of poles of the little ditch of linear pattern is many in the unit area, the cut-open view of the little ditch of eyeglass linear pattern is dentalation shape or convex structure shape, such design can guarantee that directional light focuses on the battery chip that presets width, reduce the loss of transmittance, improve the output power of photovoltaic cell chip.Eyeglass adopts insertion slot type to be connected with the module casing, and is simple in structure, firm.Mechanical dust scraper is set on eyeglass, and regularly snow is removed in the dust removal decontamination, has increased the eyeglass translucidus.Make the generating efficiency of battery chip to improve greatly.

Beneficial effect: the advantage of the eyeglass of solar generating heat collecting device of the present invention has: simple in structure, design ingeniously, and the transmittance height reaches more than 85%, and high temperature resistant more than 100 ℃, xanthochromia is not anti-aging, the impact strength height; Lens surface is provided with mechanical dust scraper, and regularly the dust removal decontamination has increased translucidus.Eyeglass adopts insertion slot type to be connected with the module casing, and is simple in structure, firm.

Description of drawings

Fig. 1 is the structural representation of the single eyeglass of solar generating heat collecting device.

Fig. 2 is the II modular construction enlarged diagram of Fig. 1, and wherein, A is the little ditch of profile of tooth linear pattern of Arc lens, and B is the little ditch of arched straight line style of Arc lens.

Fig. 3 is the vertical view of 4 eyeglasses of solar generating heat collecting device.

Fig. 4 and Fig. 6 all are structural representations of two eyeglasses of solar generating heat collecting device.Wherein, Fig. 4 is flat shape eyeglass, and Fig. 6 is an Arc lens.

Fig. 5 is the I modular construction enlarged diagram of Fig. 4, and wherein, C is the little ditch of profile of tooth linear pattern of flat shape eyeglass, and D is the little ditch of arched straight line style of flat shape eyeglass.

Embodiment

The present invention will be further explained below in conjunction with accompanying drawing.

Shown in Fig. 1～6, be the eyeglass of solar generating heat collecting device of the present invention.This eyeglass 1 is flat shape or Arc lens, is provided with little ditch of profile of tooth linear pattern or the little ditch of arched straight line style at its lower surface.Eyeglass 1 adopts compound high transmission rate material (compound silica-based or compound glass etc.) to be made, and the transmittance height reaches more than 85%, and is high temperature resistant more than 100 ℃, xanthochromia, anti-aging not, impact strength height.This point is different from general Fresnel Lenses.The lower surface of eyeglass 1 is provided with little ditch of dentation linear pattern or the little ditch of circular-arc linear pattern, the numbers of poles of the little ditch of linear pattern is many in the unit area, the cut-open view of the little ditch of eyeglass linear pattern is dentalation shape or convex structure shape, and such design can guarantee that directional light focuses on the battery chip that presets width.Reduce the loss of transmittance, improve the output power of photovoltaic cell chip.

As shown in Figure 2, be the enlarged drawing partly of the II among Fig. 1.Eyeglass 1 adopts insertion slot type to be connected with module casing 2; On the edge 3 of module casing 2, be provided with slot 5.In installation process, after eyeglass 1 and module casing 2 aligned, insert slot 5 and be lockable and be connected, this is simple in structure, firm.Be provided with dust blowing device 4 on the upper surface of eyeglass 1, this dust blowing device 4 can mainly comprise micro-machine, drive unit for mechanical design structure commonly used, connecting link, and parts such as dust blowing bar are formed.Wherein, the dust blowing bar can insert the guide rail of reserving on the edge 3 of module casing 26, and regularly the dust removal decontamination has increased translucidus, improves the generating efficiency of photovoltaic cell chip.

Eyeglass 1 is at least 1, as shown in Figure 1, is 1 Arc lens, also can be 1 flat shape eyeglass.The lower surface of eyeglass 1 is provided with the little ditch of linear pattern.As shown in Figure 2, be the enlarged drawing of the little ditch of II part linear pattern among Fig. 1, wherein, A is the little ditch of profile of tooth linear pattern of Arc lens, and B is the little ditch of arched straight line style of Arc lens.As shown in Figure 5, be the enlarged drawing of the little ditch of I part linear pattern among Fig. 4, wherein, C is the little ditch of profile of tooth linear pattern of flat shape eyeglass, and D is the little ditch of arched straight line style of flat shape eyeglass.The eyeglass that solar generating heat collecting device is commonly used can when being 2, as shown in Figure 4, adopt parallel side by side connection for 2,4 or polylith, is connected mutually on the lower surface partly at them to be provided with reinforcement; When being 4 eyeglasses, as shown in Figure 3, adopt laterally side by side, the parallel longitudinal mode connects, at this moment, dust blowing device 4 can be set to 1 or 2, is distributed in an end of eyeglass when static, so just can not influence illumination.When being polylith eyeglass when using simultaneously, the principle of design is identical, adopts laterally side by side, the parallel longitudinal mode connects each eyeglass and get final product.

Claims

1. the eyeglass of a solar generating heat collecting device, it is characterized in that: described eyeglass (1) is flat shape or Arc lens; On the lower surface of described flat shape or Arc lens, be provided with the little ditch of linear pattern.

2. the eyeglass of solar generating heat collecting device according to claim 1, it is characterized in that: the little ditch of described linear pattern is dentation or the little ditch of circular-arc linear pattern.

3. the eyeglass of solar generating heat collecting device according to claim 1 is characterized in that: described eyeglass (1) adopts insertion slot type to be connected with module casing (2); On the edge (3) of module casing (2), be provided with the slot (5) that is used for assembly lens (1).

4. the eyeglass of solar generating heat collecting device according to claim 1 is characterized in that: be provided with the dust blowing device on the surface of described eyeglass (1); Described dust blowing device comprises dust blowing bar (4), and described dust blowing bar (4) inserts module casing (2) and goes up in the guide rail of reserving (6).

5. the eyeglass of solar generating heat collecting device according to claim 1, it is characterized in that: described eyeglass (1) is 1.

6. the eyeglass of solar generating heat collecting device according to claim 1, it is characterized in that: described eyeglass (1) is for being no less than 2, each piece eyeglass adopts laterally side by side, the parallel longitudinal mode connects, and is connected mutually on the lower surface partly at 2 eyeglasses that laterally connect side by side to be provided with reinforcement (5).