Batteries: thermoelectric and photoelectric – Photoelectric – Panel or array
Patent
1996-08-15
1998-07-07
Nguyen, Nam
Batteries: thermoelectric and photoelectric
Photoelectric
Panel or array
136291, H01L 31048
Patent
active
057762627
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention relates to a solar panel with photovoltaic solar cells and a carrier plate located underneath the solar panel, where the solar cells and the carrier plate are surrounded by synthetic resin.
BACKGROUND OF THE INVENTION
It is known to produce solar panels with a glass pane serving as a carrier plate positioned above the solar cells. It is additionally known to employ carrier plates underneath the solar cells. These carrier plates are bonded together using synthetic materials. In general, the selection of the carrier plates is limited to those ensuring a good bond between the plates. In addition, carrier plates made of metal structures have the disadvantage that they are electrically conducting, which may cause insulation problems.
German patent application DE-A-36 11 543 discloses a solar module that features solar cells sealed in a transparent synthetic resin layer. The solar cells sealed in such a manner are adhered to a carrier layer made of corrugated aluminum.
It is additionally known to attach a solar panel to the upper side of a roof tile. It became apparent that oftentimes solar panels do not have sufficient stability and that roof tiles have liberal production tolerances making the fit of the solar panels insufficient; they are either seated too loosely on the roof tile or are too large to fit.
SUMMARY AND OBJECTS OF THE INVENTION
It is the object of this invention to improve the stability, robustness, tightness, and design simplicity of a solar panel of the kind mentioned above.
It is an additional object to improve a roof tile/roof slate such that the solar panel will always have a secure and precise bonding, even with liberal production tolerances and production-related torsion warps of the roof tile/roof slate.
It is furthermore an object to adapt the design of the solar panel to the needs of a wall or roof covering and to improve the design.
This object is attained by the embodiment according to the invention such that the carrier plates feature numerous openings distributed over the surface for the synthetic resin to penetrate, thus producing an unbreakable bond.
The perforated carrier plate combined with the synthetic resin of the solar panel offers an optimal bond ensuring that the solar cells rest securely, tightly, and break-free.
A particular advantage of the carrier plate is that indentations corresponding to the geometry of the solar cells are stamped into the plate where the solar cells are affixed. The result is that the synthetic resin material above the solar cells forms a smooth, planar surface.
Ribbing of the carrier plate offers a particular advantage. It can be done such that the carrier plate becomes significantly more rigid. Additionally, the rib channels improve the ventilation of the carrier plate and accordingly intensify heat removal from the solar cells. The ribs can be designed such that the wiring can be accommodated as well.
To remove the heat quickly,from the solar cells and thus improve the efficiency of the solar system, it is advantageous to connect the carrier plate to a highly heat emitting system. The carrier plate may advantageously be produced as a pressed piece/stamping or as an inexpensive mass product using extrusion technology.
It is particularly advantageous that, using these mass production technologies, cable harnesses/cable supports can be joined directly to the carrier plate. Wiring and connecting of the electrical cables is thus simplified and firm. Loosely dangling wires are avoided.
It is particularly advantageous if the carrier plate features on the sides extensions that can engage in recesses of the roof tile/roof slate.
The extensions of the solar panel protruding to the side are flexible due to the flexibility of the carrier plate and can adapt to the roof tile/roof slate even with varying deviations in dimensions. This ensures a secure and strong hold. In this manner, the solar panels will fit into the roof tile/roof slate even when the inside dimensions of the roof tile/roof slate are significantly
REFERENCES:
patent: 5112408 (1992-05-01), Melchior
Patent Abstracts of Japan, vol. 15, No. 194, May '91, abstracting JP 3-049 941 of 4 Mar. '91, Okanda et al./Mitsubishi Electric Corp.
Blue Planet AG
Nguyen Nam
Oliver Milton
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