CN203250761U - Ultra thin low loss concentrating photovoltaic module device - Google Patents

Abstract

The utility model discloses an ultra thin low loss concentrating photovoltaic module device which comprises a focusing lens, a reflector, a non-imaging lens, a photovoltaic cell, a package shell, and an independent package shell. Both the focusing lens and the reflector are supported by the package shell. The reflector is positioned under the focusing lens. The independent package shell is connected to the package shell and packages the non-imaging lens and the photovoltaic cell as a whole body. The non-imaging lens receives solar beams which are focused by the focusing lens and are reflected by the reflector, and the solar beams are uniformly irradiated on the photovoltaic cell. According to the ultra thin low loss concentrating photovoltaic module device, the direction of a light path is changed by using the reflector, a receiving system of the photovoltaic cell is placed at a side face, thus the whole concentrating photovoltaic module device has a compact structure, under the same focusing multiple, compared with the traditional concentrating photovoltaic module, the size of the concentrating photovoltaic module is greatly reduced, and the system is ultra thin.

Description

Ultrathin low-loss concentrating photovoltaic assembly device

Technical field

The utility model relates to application of solar, especially a kind of ultrathin low-loss concentrating photovoltaic assembly device.

Background technology

Solar energy is a kind of inexhaustible clean energy resource; its utilization has not only solved the day by day fossil energy of exhaustion; also effectively reducing because of pernicious gases such as carbon dioxide that traditional energy discharges, sulfur dioxide, therefore, is the effective way of development and use new forms of energy and protection of the environment.At present domestic in field of solar thermal power generation, use maximum still panel solar generation technologies, but because its photoelectric conversion efficiency is low, there are the shortcomings such as pollution in manufacturing process, begun to explore new solar energy generation technology-concentrating photovoltaic power generation technology.

Because advantages such as the concentrating photovoltaic power generation technology exist that photoelectric conversion efficiency is high, relatively environmental protection of manufacturing process, cost are low, so that concentrating photovoltaic power generation technology growing up gradually at home.But traditional concentrating photovoltaic assembly is in order to reach the high power concentrator effect, the area size of used collector lens and corresponding focal length size all must must be amplified, because this collector lens focal length is long, so that the comparison of the casing of assembly is thick and heavy, brought difficulty for installation and maintenance.For this problem, a surname family white horse with a black mane etc. has proposed ultrathin solar energy high power condensation photovoltaic battery membrane module (application number is 200820153909.0), although this system is ultra-thin, but its first speculum is positioned at the centre of Fresnel Lenses lower surface, affected seeing through of sunlight, the shortcoming that exists energy loss and be not easy to change maintenance.For the problem of energy loss, R. Winston etc. has proposed to utilize the concentration photovoltaic system (application number is 200880009262.7) of non-imaging secondary optics, but there is the shortcoming that casing is thick and heavy and be not easy to change maintenance in this system.For so that ultra-thin and low-loss while of concentrating photovoltaic assembly has again the characteristics of being convenient to change maintenance, be necessary existing technology is improved.

The utility model content

The utility model provides a kind of ultrathin low-loss concentrating photovoltaic assembly device, and this apparatus structure is compact, under same focusing multiple, compares with traditional concentrating photovoltaic assembly, has dwindled greatly the volume of concentrating component, so that system is ultra-thin; This device is compared with other system does not almost have unnecessary energy loss; In addition, this device individual packages shell is packaged as a whole non-imaging len, photovoltaic cell and radiator separately, is convenient to installation, adjusting, maintenance, the transposing of system.

For realizing above purpose, the technical scheme that the utility model is taked is:

Ultrathin low-loss concentrating photovoltaic assembly device, it comprises condenser lens, speculum, non-imaging len, photovoltaic cell, package casing, individual packages shell; Described condenser lens and speculum support by package casing, and speculum is positioned at the below of condenser lens, and described individual packages shell is connected on the package casing and with non-imaging len, photovoltaic cell and is packaged as a whole; Sun light beam by mirror reflects after wherein non-imaging len receives and focused on by condenser lens, and with described sun light beam uniform irradiation on photovoltaic cell.

Described ultrathin low-loss concentrating photovoltaic assembly device further comprises a connection piece, and a side of described connector is fixedly connected with the individual packages shell, and opposite side is slidingly connected on the package casing.Described connector is a Flexible Connector along the direction generation deformation of the sun light beam of mirror reflects, and connector can move to any direction, and length can be stretched.

Described ultrathin low-loss concentrating photovoltaic assembly device further comprises radiator, described radiator is arranged at photovoltaic cell away from a side of non-imaging len, need to coat the reasonable materials of conductive coefficient such as heat-conducting silicone grease or silver slurry between photovoltaic cell and the radiator, and this radiator is packaged as a whole separately by the individual packages shell with non-imaging len, photovoltaic cell.Radiator can dispel the heat to photovoltaic cell, thereby has improved the photoelectric conversion efficiency of photovoltaic cell, and can increase the life-span of photovoltaic cell.

Described radiator is the radiating fin of passive heat radiation, or the water pipe of active heat removal or airduct.

One side of described non-imaging len contacts with photovoltaic cell, its contact end face of photovoltaic cell and photovoltaic cell measure-alike.

Described condenser lens is convex lens or Fresnel Lenses.

The reflectivity of described speculum is at least 90%.

Described speculum becomes 30 °～60 ° with the angle of condenser lens, distance between itself and the condenser lens is f/3～2f/3, wherein, f is the focal length of condenser lens, and its concrete and angle condenser lens, position and size can design according to size, focal length and the actual requirement of condenser lens.

Described individual packages shell is connected on the side of package casing.

The utility model compared with prior art has following advantage:

1, utilize speculum to change the direction of light path, the receiving system of photovoltaic cell has been placed on the side, so that whole concentrating photovoltaic assembly apparatus structure is compact, under same focusing multiple, compare with traditional concentrating photovoltaic assembly, dwindled greatly the volume of concentrating photovoltaic assembly, so that system is ultra-thin;

2, the individual packages shell is packaged as a whole non-imaging len, photovoltaic cell and fin separately, and it is connected by connector with package casing, is convenient to installation, adjusting, maintenance, the transposing of system;

3, used non-imaging len not only can play the effect of even light, has improved photoelectric conversion efficiency, has increased the life-span of photovoltaic cell, and has reduced the requirement of system to tracking accuracy; Compare with other concentrating photovoltaic assembly, almost do not have unnecessary energy loss;

4, radiator can be initiatively water-cooling or wind-cooling heat dissipating, can provide daily life with hot water or life warm braw.

Description of drawings

The structural representation of the ultrathin low-loss concentrating photovoltaic assembly of Fig. 1 the utility model device one embodiment;

Fig. 2 is the index path during the light vertical incidence among Fig. 1;

Fig. 3 is the index path during deflection of light incident among Fig. 1.

Wherein: 1, condenser lens; 2, speculum; 3, non-imaging len; 4, photovoltaic cell; 5, radiator; 6, package casing; 7, individual packages shell; 8, connector.

Embodiment

Below in conjunction with the drawings and specific embodiments content of the present utility model is described in further details.

Embodiment:

Please refer to Fig. 1, a kind of ultrathin low energy consumption concentrating photovoltaic assembly device, mainly by condenser lens 1, speculum 2, non-imaging len 3, photovoltaic cell 4, radiator 5, package casing 6, individual packages shell 7, connector 8 form.Condenser lens 1 is supported by package casing 6, speculum 2 is placed on the below of condenser lens, speculum 2 becomes 30 °～60 ° with the angle of condenser lens 1, distance between itself and the condenser lens 1 is f/3～2f/3, wherein, f is the focal length of condenser lens 1, in the present embodiment, the angle of itself and condenser lens 1 is at 45 °, and its Range Focusing lens f/2 places, and fixing by package casing 6, certainly, the angle that speculum 2 and condenser lens 1 are concrete, distance and size can be according to the sizes of condenser lens, focal length and actual requirement design, and condenser lens 1 can adopt convex lens or Fresnel Lenses, and package casing 6 can be plastics or metal material.

Non-imaging len 3 is fixed on the photovoltaic cell 4, and a side of non-imaging len 3 contacts with photovoltaic cell 4, its contact end face of photovoltaic cell 4 and photovoltaic cell 4 measure-alike.Sun light beam by speculum 2 reflections after non-imaging len 3 receives and focused on by condenser lens 1, and with described sun light beam uniform irradiation on photovoltaic cell 4.The non-imaging len 3 here not only can play the effect of even light, has improved photoelectric conversion efficiency, has increased the life-span of photovoltaic cell, and has reduced the requirement of system to tracking accuracy, and the reflectivity of the speculum 2 that adopts simultaneously is more than 90%.Compare with other concentrating photovoltaic assembly, almost do not have unnecessary energy loss.

Radiator 5 is arranged at photovoltaic cell 4 away from a side of non-imaging len 3, and coat the reasonable materials of conductive coefficient such as heat-conducting silicone grease or silver slurry between photovoltaic cell 4 and the radiator 5, radiator can dispel the heat to photovoltaic cell, thereby improved the photoelectric conversion efficiency of photovoltaic cell, and can increase the life-span of photovoltaic cell.Radiator 5 has adopted the radiating fin of passive heat radiation in the present embodiment, also can adopt water-cooling or wind-cooling heat dissipating initiatively, for daily life provides hot water or warm braw.Non-imaging len 3, photovoltaic cell 4 and radiator 5 are encapsulated by individual packages shell 7, and are placed on the side of device, are convenient to installation, adjusting, maintenance, the transposing of whole device.

Last individual packages shell 7 is connected by connector 8 with package casing 6, connector 8 can directly be fixed together individual packages shell 7 and package casing 6, certainly connector also a passable side be fixedly connected with the individual packages shell, opposite side is slidingly connected on the package casing, and connector 8 can adopt with Flexible Connector, the direction of the sun light beam that this Flexible Connector can receive at non-imaging len 3 is flexible, like this, connector 8 can move to any direction as required, and its length also can be stretched according to actual conditions.

Please refer to Fig. 2 and Fig. 3, sun light beam vertical or deviation focuses on through condenser lens 1, sun light beam is reflexed on the non-imaging len 3 through speculum 2, shine uniformly on the photovoltaic cell 4 through non-imaging len 3, final sunlight is finished opto-electronic conversion output electric energy by photovoltaic cell 4.

Above-listed detailed description is that this embodiment limits protection range of the present utility model for the specifying of the utility model possible embodiments, and does not allly break away from the equivalence that the utility model does and implements or change, all should be contained in the protection range of this case.

Claims (10)

1. ultrathin low-loss concentrating photovoltaic assembly device is characterized in that, it comprises condenser lens (1), speculum (2), non-imaging len (3), photovoltaic cell (4), package casing (6), individual packages shell (7); Described condenser lens (1) and speculum (2) support by package casing (6), speculum (2) is positioned at the below of condenser lens (1), and described individual packages shell (7) is connected in package casing (6) and upward and with non-imaging len (3), photovoltaic cell (4) is packaged as a whole; Sun light beam by speculum (2) reflection after wherein non-imaging len (3) receives and to be focused on by condenser lens (1), and with described sun light beam uniform irradiation on photovoltaic cell (4).

2. ultrathin low-loss concentrating photovoltaic assembly device according to claim 1, it is characterized in that, described ultrathin low-loss concentrating photovoltaic assembly device further comprises a connection piece (8), one side of described connector (8) is fixedly connected with individual packages shell (7), and opposite side is slidingly connected on the package casing (6).

3. ultrathin low-loss concentrating photovoltaic assembly device according to claim 2 is characterized in that, described connector (8) is a Flexible Connector along the direction generation deformation of the sun light beam of speculum (2) reflection.

4. ultrathin low-loss concentrating photovoltaic assembly device according to claim 1, it is characterized in that, described ultrathin low-loss concentrating photovoltaic assembly device further comprises radiator (5), described radiator (5) is arranged at photovoltaic cell (4) away from a side of non-imaging len (3), and this radiator (5) is packaged as a whole separately by individual packages shell (7) with non-imaging len (3), photovoltaic cell (4).

5. ultrathin low-loss concentrating photovoltaic assembly device according to claim 4 is characterized in that, described radiator (5) is the radiating fin of passive heat radiation, or the water pipe of active heat removal or airduct.

6. ultrathin low-loss concentrating photovoltaic assembly device according to claim 1 is characterized in that, a side of described non-imaging len (3) contacts with photovoltaic cell (4), the end face of its contact photovoltaic cell (4) and photovoltaic cell (4) measure-alike.

7. ultrathin low-loss concentrating photovoltaic assembly device according to claim 1 is characterized in that, described condenser lens (1) is convex lens or Fresnel Lenses.

8. ultrathin low-loss concentrating photovoltaic assembly device according to claim 1 is characterized in that, the reflectivity of described speculum (2) is at least 90%.

9. according to claim 1 and 2 or 8 described ultrathin low-loss concentrating photovoltaic assembly devices, it is characterized in that, described speculum (2) becomes 30 °～60 ° with the angle of condenser lens (1), distance between itself and the condenser lens (1) is f/3～2f/3, wherein, f is the focal length of condenser lens (1).

10. ultrathin low-loss concentrating photovoltaic assembly device according to claim 9 is characterized in that, described individual packages shell (7) is connected on the side of package casing (6).

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