The present disclosure relates to clip assemblies suitable for mounting at least one solar module to a support structure or rail of a solar power system. More particularly, the present disclosure relates to adjustable clip assemblies configured to slide along a surface of a support structure or rail of a solar power system for securing solar modules to a rail, frame, or rack. The clip assemblies include at least a base member, an elastomeric support member, a bracket member, and an alignment member.
Solar power has long been viewed as an important alternative energy source. To this end, substantial efforts and investments have been made to develop and improve upon solar energy collection technology. Of particular interest are residential-, industrial- and commercial-type applications in which relatively significant amounts of solar energy can be collected and utilized in supplementing or satisfying power needs. One way of implementing solar energy collection technology is by assembling an array of multiple solar modules.
Solar power systems employ solar modules including solar panels made of amorphous, crystalline, or monocrystalline silicon or other materials to convert sunlight into electricity. Typically, a plurality of solar modules is interconnected with wiring to one or more appropriate electrical components (e.g., switches, inverters, junction boxes, etc.) and encapsulated within a weather-proof barrier or frame.
Regardless of an exact construction of the PV laminate, most PV applications entail placing an array of solar modules at the installation site in a location where sunlight is readily present. This is especially true for residential, commercial, or industrial applications in which multiple solar modules are desirable for generating substantial amounts of energy.
In some arrangements, solar modules are placed side-by-side in an array. Each solar module can be mounted to a support structure, such as a rail, by coupling the module to the support structure (e.g., a rail) by way of a coupling member, e.g., clip assembly. It can be challenging to couple modules side-by-side because the array assembler typically engages the coupling member while also ensuring that adjacent modules are positioned properly on the support structure. Accordingly, there remains a continuing need for improved systems and methods for mounting solar modules to a support structure.
The present disclosure provides a solar power system including rails, solar modules, and a plurality of clip assemblies configured to secure the solar modules to the rails. The clip assemblies are configured to be slidably attached to the rail thereby remaining capable of sliding along a top surface of the rail to accommodate different size solar modules. Each clip assembly includes a first proximal portion configured to be attached, and ultimately tightened or fixed, to the rail and a second distal portion configured to receive and secure an end of the solar module within a portion of the clip assembly. The clip assemblies, via both first and second portions, secure the solar module to the rail.
The present disclosure provides clip assemblies configured to mount a solar module to a railing system. The clip assemblies described herein include at least a base member, a bracket member, an elastomeric support member sandwiched between the base member and the bracket member, and alignment member.
The base member is configured to slide along a surface of a rail of the railing system. The base member is also configured to carry the elastomeric support member and the bracket a member as the base member is slid. The base member also includes a base aperture defined therethrough. In some embodiments, the base aperture is centered on the base member. In some embodiments, the base member is generally planar. In some embodiments, the base includes a plurality of tangs extending from a bottom surface of the base member. In some embodiments, the base member includes at least one set of tangs separated by a distance equal to or greater than a width of a rail and extending generally perpendicular from a bottom surface of the base member.
The bracket member is configured to be positioned on a top surface of the elastomeric support member opposite the base member. The bracket member provides additional support to the elastomeric support member to secure the solar module within the elastomeric support member. The bracket member being made of a stiffer and/or more rigid material than the elastomeric support member. The bracket member also includes a bracket aperture.
In some embodiments, the bracket member further includes a vertical bracket wall including a first end and a second opposite end, the first end of the vertical bracket wall being attached to a lower flange extending in a first direction therefrom, the lower flange including the bracket aperture. The second opposite end of the vertical bracket wall being attached to an upper flange extending in a second direction therefrom opposite the first direction.
In some embodiments, the bracket member further includes at least one locking tab positioned on the upper flange. In some embodiments, the lower flange extends from the first end of the vertical bracket wall a first length which is greater than a second length that the upper flange extends from the second opposite end of the vertical bracket wall. In some embodiments, the lower flange extends from the first end of the vertical wall at a first angle equal to about 90° and the upper flange extends from the second opposite end of the vertical bracket wall at a second angle which is less than about 90°. In some embodiments, the bracket member is an S-shaped bracket member.
The elastomeric support member is configured to be positioned on a top surface of the base member opposite the rail. The elastomeric support member is also configured to receive thee bracket member on a proximal portion of the support member and a solar module on a distal portion of the support member. The elastomeric support member also includes a support aperture.
In some embodiments, the elastomeric support member includes a support base having a first support base portion and a second support base portion. In some embodiments, a top surface of the first base portion is configured to receive the lower flange of the bracket member and a top surface of the second base portion is configured to receive an end of the solar module.
In some embodiments, the first support base portion is thinner than the second support base portion. In some embodiments, a thickness of the first support base portion and a thickness of the lower flange of the bracket member combined is equal to a thickness of the second support base portion.
In some embodiments, the second support base portion of the support base further includes a vertical support member extending generally perpendicular therefrom and including a generally C-shaped notch on a free end portion opposite the second support base portion. The C-shaped notch is configured to receive the upper flange and at least one locking tab of the vertical bracket wall. In some embodiments, the generally C-shaped notch includes a first larger recess configured to receive an end of the upper flange and optionally a second smaller recess configured to receive the at least one locking tab.
In some embodiments, the second support base portion, the vertical support member and the C-shaped notch display the same general thickness.
In some embodiments, the vertical support member includes a plurality of grip elements extending from an outer surface of the C-shaped notch opposite a top surface of the second support base portion.
The alignment member has an elongate body defined between a first end portion and a second end portion. The first end portion includes a head and the elongate body includes a channel extending therethrough. The alignment member also includes a resilient locking member fixed on an outer perimeter of the elongate body between the first and second end portions. The elongate body is configured to be positioned through the base aperture, the support aperture and the bracket aperture securing the base member, the elastomeric support member and the bracket member between the head and the resilient locking member of the alignment member to form the clip assembly.
In some embodiments, the locking member is spaced apart from the head portion of the alignment member a distance equal to or less than the thickness of the first support base portion and the thickness of the lower flange of the bracket member combined to lock the bracket member, the elastomeric support member and the base member between the head and the resilient locking member.
In some embodiments, the channel of the alignment member is threaded to receive a fastener. In some embodiments, an outer surface of the alignment member is not threaded. In some embodiments, the fastener is positioned within a channel extending through the entirety of the alignment member to secure the clip assembly to a rail.
The clip assemblies described herein may be combined with at least a solar module and a rail configured to support the solar module to form a solar power system or kit for a solar power system. The rail including at least one, if not more than one, rail slot defined within the rail and configured to receive one or more clip assemblies as described herein. In embodiments, the rail slot includes a recessed edge configured to receive the head of the alignment member therein.
Methods of installing solar modules, and particularly frameless glass solar modules, onto a rail of a solar power system using the clip assemblies described herein are also described.
Various aspects of the present disclosure are described hereinbelow with reference to the drawings, which are incorporated in and constitute a part of this specification, wherein:
As described herein, the present disclosure describes adjustable clip assemblies suitable for mounting at least one solar module to a railing system of a solar power system. The solar power system may be any type of solar power system, such as a roof-top solar power system, or a solar tracker system, and the like. In particular embodiments, the solar power system includes glass solar modules, which may or may not be frameless and the clip assemblies described herein.
Solar modules, and in particular embodiments, frameless solar modules including glass solar modules, may be attached to mounting rails using the adjustable clip assemblies described herein.
The base member 120 is configured to be secured onto a top side of an end portion of a mounting rail (see
As depicted in
Base member 120 includes a top surface 121 opposite a bottom surface 122 with a base thickness 123 defined therebetween. Base aperture 125 is defined completely through the thickness 123 of the base member 120. In some embodiments, base aperture 125 is centered on base member 120. As depicted, the base aperture 125 may be hexagonal, however, it is envisioned that the base aperture 125 may be of any polygonal shape or configuration. Some non-limiting examples of suitable polygonal shapes include triangular, square, rectangular, pentagonal, hexagonal, heptagonal, octagonal, and the like.
The base member 120 may also include a plurality of base openings 126 and a plurality of tangs 127. The base openings 126 are positioned around the base aperture 125 through the top surface 121 of the base member 120. In some embodiments, the base openings 126 are equidistant from the base aperture 125. The tangs 127 extend away from the bottom surface 122 of the base member 120 in a generally perpendicular plane relative to the longitudinal axis A of the base member 120. The tangs 127 are configured to maintain the base member 120 positioned the top side of a rail. In some embodiments, at least two of the tangs 127 are spaced apart from each other a distance generally equal to or slightly greater than the width of the rail to stabilize the base member 120 and/or clip assembly 100 on the surface of the rail. In some embodiments, at least two pairs of the tangs 127 are spaced apart from each other a distance generally equal to or slightly greater than the width of the rail.
As depicted, in some embodiments, at least a portion of each base opening 126 is formed by carving out some portion of the base member 120. As further depicted, a portion of the base member 120 which is carved out to form the base opening 126 may be bent to form a tang 127. In such instances, the base openings 126 and the tangs 127 share a common portion of the base member 120 that defines a border of the base opening 126 and also attaches the tang 127 to the base member 120.
The clip assembly also includes a bracket member 140. The bracket member 140 includes a vertical bracket wall 142 attached on a first end 142a to lower flange 141 and on a second opposite end 142b to an upper flange 143, the upper flange 143 including at least one locking tab 144 positioned on a top surface 143a of the upper flange 143. The lower flange 141 extending proximally, i.e., away from the solar module, from the first end 142a of vertical bracket wall 142 and upper flange 143 extending distally, i.e., towards the solar module, from the second end 142b of vertical bracket wall 142. The lower flange 141 further including a bracket aperture 145.
The lower flange 141 includes a lower bracket length (lbl) which is generally equal to a vertical bracket length (vbl) of the vertical bracket wall 142, both of which are generally greater than an upper bracket length (ubl) of upper flange 143. The lower and upper bracket lengths combined equal the total length of the vertical bracket wall 142. The bracket member 140 may be made of any suitable metal or metal alloy material, including but not intended to be limited to, steel, aluminum, iron, and the like.
The lower flange 141 and the vertical bracket wall 142 form a first angle (a1) ranging from about 75 to 105 degrees. In some embodiments, the first angle (a1) ranges from about 85 to 95 degrees. In some embodiments, the first angle (a1) is about 90 degrees.
The upper flange 143 and the vertical bracket wall 142 form a second angle (a2) ranging from about 45 to 90 degrees. In some embodiments, the second angle (a2) ranges from about 55 to 85 degrees. In some embodiments, the second angle (a2) ranges from about 60 to 80 degrees.
In some embodiments, the bracket member 140 is a generally S-shaped bracket member 140. The bracket member and/or S-shaped bracket member is configured to matingly engage the elastomeric support member 130 described in more detail hereinbelow.
The elastomeric support member 130 is configured to be positioned between the bracket member 140 and the base member 120. The elastomeric support member 130 includes a bottom support surface 130a configured to be positioned on the top surface 121 of the base member 120. The elastomeric support member 130 also includes a top support surface 130b configured to receive the bracket member 140 and an end portion of a solar module. The proximal portion of the elastomeric support member is sandwiched between the bracket member 140 and the base member 120. The distal portion of the elastomeric support member is positioned between the solar module and the base member 120.
The elastomeric support member 130 includes a support base 136 including a first support base portion 137 and a second support base portion 138. The first support base portion 137 is configured to receive the lower flange 141 of the bracket member 140. The second support base portion 138 is configured to receive an end portion of a solar module. Thus, the second support base portion 138 is positioned closest to the solar module and the first support base portion 137 positioned farthest from the solar module.
As depicted, the second support base portion 138 has a thickness T1 which is greater than a thickness T2 of the first support base portion 137. In some embodiments, the thickness T1 of the second support base portion 138 is generally equal to the combination of the thickness T2 of the first support base portion 137 and the thickness T3 of the lower flange 141 of the bracket member 140.
The first support base portion 137 may also include a first notch 139 positioned on a proximal end portion 130c of the elastomeric support member 130. As shown, the first notch 137 may be a C-shaped first notch. The first notch 139 configured to receive a proximal end portion 141a of the lower flange 141 of the bracket member 140 to further secure the bracket member 140 to the elastomeric support member 130.
The second support base portion 138 includes a vertical support member 131 extending generally perpendicular from on a proximal end portion 138a of the second support base portion 138. The vertical support member 131 is configured to matingly engage the vertical bracket wall 142, upper flange 143, and locking tab 144 of bracket member 140. The vertical support member 131 includes a vertical support wall 132 extending generally perpendicular to the second support base portion 138 and a second notch 133, in some embodiments a second C-shaped notch, positioned on an end portion 132a of the vertical support wall 132.
The second notch 133 is configured to open proximally to receive the upper flange 143 and locking tab(s) 144 of the bracket member 140. The second notch 133 includes a first recess 134a configured to receive and maintain the upper flange 143 of the bracket member 140 and optionally a second recess 134b configured to receive and maintain the locking tab(s) 144. In some embodiments, the combination of the vertical support wall 132 and the second notch 133 form a generally P-shaped vertical support member 131.
As further depicted in
Module slot 103 is configured to receive and maintain an end portion of a solar module (see
Elastomeric support member 130 also includes a support aperture 135. The support aperture 135 and the bracket aperture 145, individually, may be polygonal in design. In some embodiments, at least one of the support aperture 135 or bracket aperture 145 may be rectangular. In some embodiments, at least one of the support aperture 135 or bracket aperture 145 may be hexagonal.
In some embodiments, the support aperture 135 is a different polygon than at least one, if not both, of the base aperture 125 or the bracket aperture 145. For example, as shown in
When the base member 120, the elastomeric support member 130, and the bracket member 140 are properly assembled each of the base aperture 125, support aperture 135, and bracket aperture 145 will align vertically along a vertical axis B (generally perpendicular to longitudinal axis A) to allow alignment member 110 to pass therethrough. Alignment member 110 includes an elongate body 111 extending from a head 112, on a first end portion of the alignment member 110, to a second end portion 111b of the elongate body 111. The elongate body 111 has a length or height sufficient to pass through each of the base aperture 125, support aperture 135, and bracket aperture 145 and extend beyond the bracket aperture 145 of the clip assembly 100. The elongate body 111 of the alignment member 110 also includes a channel 114 defined therethrough from the first end portion 111a to the second end portion 111b. The channel 114 is configured to receive a fastener to secure the base member, the support member, and the bracket member to a rail. The channel 114 extends through the head 112 of the alignment member 110.
Alignment member 110 further includes a resilient locking member 113 surrounding an outer perimeter of the elongate body 111. The locking member 113 is spaced along a length of the elongate body 111 from the head 112 by a distance generally equal to or slightly less than the thickness 123 of the base member 120, the first support base portion 137, and the lower flange 141 in combination. The locking member 113 is configured to secure and maintain the base member 120, the support member 130, and the bracket member 140 together against the head 112 of the alignment member 110. By being spaced a distance generally equal to or slightly less than the collective thickness of the base member 120, the first support base portion 137, and the lower flange 141, the resilient locking member 113 and the head 112 of the alignment member 110 are able to pinch each of the base member 120, support member 130, and bracket member 140 therebetween. In some embodiments, the resilient locking member is made of an elastomeric material, such as a rubber material, and the head of the alignment member is made of stiff, non-resilient material, such as steel or aluminum.
As best depicted in
In some embodiments, the locking member 113 is an O-ring fixed to an outer perimeter of the elongate body 111 of the alignment member 110.
The alignment member 110, including the head 112 and elongate body 111, can be made of any suitable material including but not limited to any combination of plastic or metal material, alone or in combination. Some suitable non-limiting examples include polycarbonate, acrylonitrile butadiene styrene, steel, aluminum, iron, and the like.
Both the elastomeric support member and the locking member of the alignment member can be made of any suitable elastomeric material. Representative non-limiting examples of elastomeric materials include natural rubber, a polybutadiene rubber, a styrene-butadiene copolymer, a polychloroprene rubber, an ethylenepropylene copolymer, an ethylene-propylene-diene terpolymer, an acrylonitrile-butadiene copolymer, a polyisoprene rubber, an isobutylene-isoprene copolymer, a chlorinated polyethylene rubber, a chlorosulfonated polyethylene rubber, a silicone rubber, a urethane rubber, an acrylic rubber, a polyisobutylene rubber, a fluorine-containing rubber, a fluorosilicone rubber, and blends thereof. In some embodiments, the elastomeric material is infused with electrically conductive materials to render the elastomeric material electrically conductive thereby allowing the clip assembly to act as a ground between the solar module and the rail. In some embodiments, the locking member and the support member are made of the same elastomeric material. In some embodiments, the locking member and the support member are made of a different elastomeric material.
In some embodiments, at least one of the base aperture, the support aperture or the bracket aperture have the same geometric configuration of the fastener nut to prevent the fastener nut from rotating freely when positioned within the clip. In some embodiments, the base aperture and the bracket aperture are the same geometric configuration as the fastener nut. In some embodiments, the support aperture has a different geometric configuration than at least one, if not all, of the base aperture, bracket aperture, or the fastener nut.
Turning to
As depicted, fastener 205 passes through a rail slot 260 (see
As can be seen in a
As further depicted in
In
In
The fastener (not shown) may be positioned within channel 314 and not completely tightened to allow the clip assembly 300 to be loosely secured to the rail 350, i.e., attached to the rail but remaining capable of sliding and/or adjustability along a length of the rail. Once an end of the solar module is received within the module slot of the elastomeric support member, the fastener can be tightened to fix the clip assembly 300 relative to the rail 350 and the solar module.
In
Although only one rail and support arm are depicted, the solar power rack systems and the kits for solar power rack systems, described herein may include a plurality of rails, support arms, clip assemblies, and solar modules as needed. In addition, although depicted from a side view wherein the clip assemblies described herein are only positioned on two opposite sides of a solar module, it is envisioned that the clip assemblies may be positioned on more than two opposite sides of the solar module to secure the module to the rail. For example, in some embodiments, the rails described herein may interconnect with each other to form a grid which surrounds the outer perimeter of the solar module in its entirety, and the clip assemblies may be used to secure the modules to the rail on all sides of the solar module.
In some embodiments, the solar modules can be secured to a system of rails. As shown in
In some embodiments, the solar module 490 may be initially tilted relative to the rail 450, as shown in
In some embodiments, once generally parallel, any combination of the first and second clip assemblies 400a, 400b can be slid inwardly toward the solar module 490 (as indicated by the arrows in
In some embodiments, the methods utilize first and second clip assemblies that include a base member configured to slide along a surface of first rail, the base member including a base aperture, an elastomeric support member configured to be positioned on a top surface of the base member opposite the rail, the elastomeric support member including a support aperture, a bracket member configured to be positioned on a top surface of the elastomeric support member opposite the base member, the bracket member including a bracket aperture, and an alignment member having an elongate body defined between a first end portion and a second end portion, the first end portion including a head and the elongate body including a channel extending therethrough, the alignment member including a resilient locking member fixed on an outer perimeter of the elongate body between the first and second end portions, the elongate body positioned through the base aperture, the support aperture and the bracket aperture securing the base member, the elastomeric support member and the bracket member between the head and the resilient locking member of the alignment member.
In some embodiments, the first clip assembly is fastened within the first rail slot and the second clip assembly is fastened within a second rail slot wherein the first and second rail slots are positioned on end portions of the first rail.
In some embodiments, the first clip assembly may be fastened to the rail in a fixed position prior to the first end of the solar module being inserted in the first clip assembly.
In some embodiments, the first clip assembly may be fastened to the rail in a fixed position only after the first end of the solar module is inserted in the first clip assembly.
In some embodiments, the second clip assembly may be fastened to the rail in a fixed position only after the second end of the solar module is inserted in the second clip assembly and the first clip assembly is in a fixed position.
While the clip assemblies, rails, solar modules, and solar power systems have been described in connection with several different embodiments, it should be apparent that the present application is not intended to be limited only to those embodiments. Rather, many modifications and variations will be apparent to persons of ordinary skill in this art without departure from the scope and spirit of the present application.
This application is a continuation of U.S. patent application Ser. No. 16/529,511 filed on Aug. 1, 2019, the disclosure of which is hereby incorporated by reference in its entirety.
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Number | Date | Country | |
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20210167719 A1 | Jun 2021 | US |
Number | Date | Country | |
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Parent | 16529511 | Aug 2019 | US |
Child | 17118557 | US |