A unitized photovoltaic assembly is disclosed. A unitized photovoltaic assembly consists of a unitary frame designed to retain a plurality of photovoltaic modules. The unitary frame is formed by orienting a plurality of rails in the lateral direction above and mounted to a plurality of struts orient
A unitized photovoltaic assembly is disclosed. A unitized photovoltaic assembly consists of a unitary frame designed to retain a plurality of photovoltaic modules. The unitary frame is formed by orienting a plurality of rails in the lateral direction above and mounted to a plurality of struts oriented in the vertical direction. Once the unitary framed is formed, photovoltaic modules slide into slots running the length of the rails and are thus retained in the unitary frame. Also added to the unitary frame are a series of power conversion elements, retaining brackets, mounting brackets, and cleaning elements. The completed unitized photovoltaic assembly can be fabricated off-site, transported as a single unit and installed to a roof or other surface with the use of a specialized lifting frame, also disclosed. Additional unitized photovoltaic assemblies can be mechanically and electrically interconnected to form a complete photovoltaic system.
대표청구항▼
1. A method of installing a photovoltaic array, comprising: lifting a prefabricated photovoltaic array as a unit onto an installation surface, the prefabricated photovoltaic array comprising a unitary frame retaining a plurality of photovoltaic modules; andattaching the prefabricated photovoltaic ar
1. A method of installing a photovoltaic array, comprising: lifting a prefabricated photovoltaic array as a unit onto an installation surface, the prefabricated photovoltaic array comprising a unitary frame retaining a plurality of photovoltaic modules; andattaching the prefabricated photovoltaic array to the installation surface;wherein attaching the prefabricated photovoltaic array to the installation surface comprises: sliding one or more of the photovoltaic modules partially out of the unitary frame to gain access to a mount member of the unitary frame;attaching the mount member to the installation surface; andsliding the one or more of the photovoltaic modules back into the unitary frame. 2. A method as in claim 1, wherein the unitary frame comprises a retaining element that prevents the one or more of the photovoltaic modules from sliding out of the unitary frame, and additionally comprising disengaging the retaining element prior to sliding the one or more of the photovoltaic modules. 3. A method as in claim 2, wherein lifting the prefabricated photovoltaic array comprises engaging an adjustable lifting frame with the unitary frame and with a crane so that the lifting frame is interposed between the crane and photovoltaic array and supports the photovoltaic array, and adjusting the lifting frame so that the prefrabricated photovoltaic array is supported at an angle that matches a slope of the installation surface. 4. A method as in claim 2 additionally comprising reengaging the retaining element after sliding the one or more of the photovoltaic modules back into the frame. 5. A method as in claim 4, wherein the photovoltaic modules have opposing side edges and opposing end edges, and the opposing side edges are slidably retained in elongate slots formed in the unitary frame. 6. A method as in claim 5, wherein the unitary frame comprises a plurality of elongate, spaced apart struts rigidly connected to first and second elongate, spaced apart rails that extend transverse to the struts, the elongate slots being formed in the rails so that a first row of one or more of the photovoltaic modules is suspended between the elongate slots of the first and second rails. 7. A method as in claim 6, wherein the retaining element extends into a space between the elongate slots of the first and second rails so as to abut one of the end edges of one of the one or more photovoltaic modules. 8. A method as in claim 6 wherein a third elongate rail is rigidly attached to the plurality of struts and is spaced from the second rail, and a second row of one or more of the photovoltaic modules is suspended between elongate slots of the second and third rails, and additionally comprising engaging a lifting frame with the unitary frame, wherein the lifting frame comprises a plurality of spaced apart rail supports rigidly attached to a plurality of cross rail supports, and a plurality of tabs attached to the rail supports, wherein engaging the lifting frame with the unitary frame comprises engaging tabs of the lifting frame with at least two of the elongate rails. 9. A method as in claim 8, wherein each row of the photovoltaic modules comprises at least two photovoltaic modules, and additionally comprising advancing one of the tabs through a gap between end edges of adjacent photovoltaic modules and into engagement with one of the rails. 10. A method as in claim 1 additionally comprising attaching a plurality of mounting devices to the installation surface prior to lifting the prefabricated photovoltaic array. 11. A method as in claim 10, wherein lifting the prefabricated photovoltaic array comprises aligning a plurality of mount members of the frame with a plurality of the mounting devices. 12. A method as in claim 1, wherein the prefabricated photovoltaic array comprises electrical componentry connected to the unitary frame and wired by electrical wiring to the photovoltaic modules. 13. A method as in claim 12, wherein the prefabricated photovoltaic array comprises a spray head and tubing connected to the unitary frame. 14. A method as in claim 12 additionally comprising providing the prefabricated photovoltaic array by fabricating the unitary frame, mounting the photovoltaic modules in the unitary frame, connecting the electrical componentry to the unitary frame and wiring the electrical componentry to the photovoltaic modules remotely from the installation surface, and additionally comprising transporting the prefabricated photovoltaic array as a unit to the installation surface. 15. A method as in claim 14, additionally comprising testing the electrical componentry before transporting the prefabricated photovoltaic array. 16. A method as in claim 12 additionally comprising lifting a second prefabricated photovoltaic array onto the installation surface, attaching the prefabricated photovoltaic array to the installation surface adjacent the first prefabricated photovoltaic array, attaching the unitary frames of the first and second photovoltaic arrays to one another via an interlock, and attaching electrical wiring of the first photovoltaic array to electrical wiring of the second photovoltaic array.
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