WO2017181123A1 - Cache-fil et support de montage - Google Patents

Cache-fil et support de montage Download PDF

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Publication number
WO2017181123A1
WO2017181123A1 PCT/US2017/027782 US2017027782W WO2017181123A1 WO 2017181123 A1 WO2017181123 A1 WO 2017181123A1 US 2017027782 W US2017027782 W US 2017027782W WO 2017181123 A1 WO2017181123 A1 WO 2017181123A1
Authority
WO
WIPO (PCT)
Prior art keywords
clip
wire
leg
panel
flange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2017/027782
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English (en)
Inventor
David C. HOOD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2017181123A1 publication Critical patent/WO2017181123A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H02S40/36—Electrical components characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • Solar photovoltaic (PV) panels are typically provided of rigid planar form with each panel having a similar size, typically rectangular and approximately two to three feet in a shorter dimension and four to six feet in a longer dimension.
  • Solar cells are provided upon a front surface of the solar panel. These individual cells are electrically connected together.
  • a junction box is provided on a rear surface of each panel which gathers up the electric power generated by the cells on the panel and passes this electric power onto wires. These wires from the junction box can facilitate wiring together of multiple panels of an array to produce the overall power generated by the array of panels.
  • wires that connect the individual panels together.
  • the wires have connectors where they are joined to other segments of wire or to the junction boxes of various panels. If the wires become damaged, the system of PV panels can fail.
  • the wires also benefit from minimizing expense through only providing an amount of exterior insulation necessary and to otherwise structure the wire with a relatively light and low cost configuration, including diameter, conductive material, insulating material, insulating material thickness, etc.
  • the wires themselves can be extensive in length and represent a significant value for the overall panel system. It is known in certain instances for thieves to steal wire, such as the wire joining PV panels together, to recycle the wire for its inherent value in the conductive metals contained therein, or to repurpose the wire in other ways.
  • a photovoltaic panel wire cover assembly is used with a PV panel having a perimeter trim piece, the perimeter trim piece having a thickness.
  • the assembly includes a plurality of clips, an elongate wire cover and fastener structure.
  • Each clip includes a proximal end, a long leg and a short leg, the long leg parallel with and joined to the short leg at the proximal end of the clip, the long leg having a distal end.
  • the elongate wire cover includes a wire-covering housing, the wire-covering housing having first and second opposite sides and a first flange extending away from the first opposite side.
  • the wire- covering housing defines a housing interior.
  • the first flange is positioned against the long leg of the clip.
  • the fastener structure engages the short leg of the clip and the first flange to bias the first flange and the long leg of the clip therewith towards the short leg of the clip.
  • the wire cover can be fastened to the perimeter trim piece of the PV panel through the clips without penetrating the PV panel.
  • Examples of the photovoltaic panel wire cover assembly can include one or more the following.
  • the short leg can have holes adjacent to the proximal end aligned with each other and passing through the short leg and the long leg;
  • the first flange can include a plurality of slotted holes therein;
  • the fastener structure can include a fastener passing through the slotted holes in the wire covers and into the holes in the clip.
  • the clip can include a trim engagement element, such as a curved distal end, at the distal end of the long leg.
  • the hole in the long leg can be a through hole through which a fastener can freely pass and the hole in the short leg can be configured, such as with threads, to engage the fastener.
  • the wire cover can have a second flange extending away from the second opposite side, the second flange including a plurality of second slotted holes and positioned against the long leg of a second clip, the second clip engaging a second perimeter trim piece. Further fastener structure can engage the short leg of the second
  • the elongate wire cover can have an open end, and the assembly can include a closed end cap mountable to the open end of the elongate wire cover to prevent access to the housing interior.
  • the assembly can also include an open end cap, having a wire passage opening, mountable to an open end of the elongate wire cover, and a jumper tube extending from the open end cap to provide a wire passageway from the wire passage opening through the jumper tube, whereby the open end cap and jumper tube extending therefrom prevents access to the housing interior other than through the wire passageway.
  • Figure 1 is a rear perspective view of a conventional array of PV panels mounted to a common tracking bar.
  • Figure 2 is a rear perspective view of an array of PV panel wire cover assembly used with an array of PV panels mount to a common tracking bar.
  • Figure 3 is a view similar to that of figure 2 during the installation of wire covers to the array of PV panels, showing wires covered by a wire cover and wires to be covered by a subsequently installed wire cover.
  • Figure 4 is an enlarged view of a portion of the structure of figure 3 showing clips engaging trim pieces at opposed edges of adjacent PV panels.
  • Figure 5 is an enlarged perspective view a portion of the structure of figure 2 showing an end of one wire cover overlapping the end of an adjacent wire cover.
  • Figure 6 shows an end cap covering the outermost end of the wire cover at the end of the array of photovoltaic panels.
  • Figure 7 shows a jumper tube extending between open end caps to protect wires passing between space-apart PV panels.
  • Figure 8 is a top, front, right side isometric view of a wire cover.
  • Figure 9 is a top plan view of the wire cover of figure 8.
  • Figure 10 is an end view of the wire cover of figure 8.
  • Figure 11 is a left side view of the wire cover of figure 8.
  • Figure 12 is a top, front, right side view of a clip partially shown in figure 4 together with a fastener.
  • Figure 13 is a bottom, front, right side view of the clip of figure 12.
  • Figure 14 is a front, top, right side view of the closed end cap shown in figure 6.
  • Figure 15 is a top plan view of the end cap of figure 14.
  • Figure 16 is a rear elevation view of the end cap of figure 14.
  • Figure 17 is a front, top, right side view of the open end cap shown in figure 7.
  • Figure 18 is a top plan view of the end cap of figure 17.
  • Figure 19 is a rear elevation view of the end cap of figure 17.
  • Figure 20 is a simplified edge view showing a clip mounted to a trim piece of the solar panel with a flange of the wire cover about to be secured to the clip by a fastener.
  • PV panels are typically substantially free of fastener holes thereon, other than fastener holes which are already dedicated to other purposes, including panel mounting purposes. Without a hole available for securing such a cover to the panel, one is left with the undesirable prospect of perhaps drilling an additional hole in the panel (which may void its warranty), which not only has significant propensity to damage the panel, it involves significant additional work. Accordingly, a need exists for a system for a wire-covering system for an array of photovoltaic
  • Figure 1 is a rear perspective view of a conventional array 22 of PV panels 14 mounted to a common tracking bar 24.
  • a junction box 26 is seen mounted along an edge of each PV panel 14 with exposed wires 12 extending from the junction boxes.
  • PV panel wire cover assembly 8 includes a wire cover 10, also referred to as cover 10, for covering wires 12 which join photovoltaic (PV) panels 14 together so that they cannot be seen and to help protect the wires from the weather, vandalism, theft and animals.
  • PV panels 14 are also referred to as panels 14 or solar panels 14.
  • Assembly 8 also includes a clip 16 which can be easily attached to a panel 14 without requiring drilling of holes thereinto, and which clip 16 presents a hole 18 to which a fastener 20 , such as a screw or bolt, can join after having interfaced with a wire cover 10, so that between the wire cover 10 and a series of such clips 16, the wire cover 10 can be coupled to the panels in a manner overlying the wires thereof.
  • a fastener 20 such as a screw or bolt
  • Figure 3 shows a wire cover 10 during installation with wires 12 extending from the open end of a wire cover 10 prior to installation of the next wire cover 10.
  • Figures 8-11 illustrate how the wire cover 10 has a pair of flanges 28, 30 and a wire-covering housing 32 defining a housing interior 34 between the flanges.
  • Wire-covering housing 32 is sized, in particular to have sufficient depth 36, to accommodate the wires 12 bundled therein.
  • the flanges 28, 30 include slots. These slots are preferably of a variety which is elongate in form with rounded ends and with a length thereof parallel with a length of the wire-covering housing 32 of the wire cover 10. Such slots are provided on each flange 28, 30 directly adjacent to this wire-covering housing 32.
  • each clip 16 can be a bent piece of spring steel (or optionally other material) which fits over a piece of trim 48 along the lateral sides 50 of the PV panels 14; see figures 2-5.
  • Trim 48 extends generally perpendicular to the side-to-side orientation of wires 12 and wire covers 10. Trim 48 is offset a distance slightly from a rear surface 54 of the panel with a width a distance sufficient to allow a short leg 58 of the clip 16 to reside therein.
  • the clip 16 has a long leg 60 opposite the short leg
  • DOCX ⁇ 58 with the two legs substantially parallel to each other and joined together at a proximal end 62 of the clip.
  • the long leg 60 ends at a trim engagement element 64, also called a tooth 64, at a distal end 66 thereof which can wrap around and grip somewhat an outer edge 68 of the trim 48.
  • the proximal ends of each leg of the clip 16 are joined together so that the clip 16 is, in this example, a continuous piece of metal.
  • a spacing or gap 69 between the legs 58, 60 of the clip 16 is preferably similar to a thickness of the trim 48 on the panel 14, so that somewhat of a friction fit is provided when the clip 16 is slid over the trim 48 with the trim 48 between the legs 58, 60.
  • Figure 20 is a simplified edge view showing a clip 16 mounted to a trim piece 48 of the solar panel 14 with a flange 28, 30 of the wire cover 10 about to be secured to the clip by a fastener 20.
  • An overall width of the clip 16 between the distal tooth 64 at the tip of the long leg 60 and a curve at the proximal end 62 where the long leg 60 and short leg 58 are joined together, see dimension 70 in Figure 13, is greater than the width 56 of the trim 48 by an amount sufficient so that hole 18, which in this example includes a top through-hole 72 and a bottom threaded hole 74, passing through the clip 16 can be positioned off of the trim 48. See figures 13 and 20.
  • holes 72, 74 pass through both the long leg 60 and the short leg 58 of the clip 16 with the holes adjacent to the curving proximal end 62 of the clip 16 which joins the long leg 60 and the short leg 58 together.
  • the holes preferably are similar in size and aligned together, but, in this example, with the hole 74 in the short leg 58 being threaded and the hole 72 in the long leg 60 being a through hole and not threaded. It is also conceivable that both of the holes could be threaded or neither of the holes could be threaded and still function according to this technology if, for example, using non-threaded fasteners or if a threaded fastener pair such as a bolt and nut are used together. Most preferably, however, the short leg 58 has its hole 74 threaded and the long leg 60 does not have its hole 72 threaded.
  • the long leg 60 could have a two inch length and the short leg 58 could have a one and a half inch length.
  • a quarter inch hole could be provided which is spaced approximately a quarter inch to a half inch away from the curving proximal end 62 of the clip 16 where the long leg 60 and short leg 58 come together.
  • the clip 16 could have various different widths 76; clip 16 is shown with approximately a three-quarter inch width in the embodiment depicted.
  • the clip 16 is formed of materials other than spring steel (e.g., aluminum or plastic) it still preferably functions to clamp and hold to the trim 48. The clip 16 will then have a tendency to stay where initially placed. Furthermore, once a fastener 20 passes through the non- threaded hole 72 in the long leg 60 and then threads into the threads in the threaded hole 74 in the short leg 58, the long leg 60 and short leg 58 are drawn together and further pinch the clip 16
  • the clip 16 thus conveniently tends to stay where positioned before use, but can be repositioned fairly easily before it has been used, such as by sliding along the trim 48 with the tooth 64 at the distal end 66 of the long leg 60 keeping the clip 16 aligned where it is desired to be.
  • a wire cover 10 would be placed over wires 12 joining panels 14 together and with the elongate hole or slots 38, 40 in one of the flanges 28, 30 overlying the clip 16 and aligned with the holes in the clip 16.
  • a fastener 20, such as a bolt would then be passed through the elongate hole 38, 40 in the flange 28, 30 and then passed through the non-threaded hole 72 in the outer, long leg 60 of the clip 16, and then threaded into the threaded hole 74 in the short leg 58 of the clip 16. See figure 20.
  • Figure 6 shows a closed end cap 82 covering the outermost end of the wire cover 10 at the end of the array 22 of photovoltaic panels 14. Details of end cap 82 are shown in figures 14-16. Figures 7 and 17-19 illustrate an open end cap 84 secured to the outermost end of a wire cover 10. Open end caps 84 are used when there is a gap between PV panels 14, such as when there is a motor or other obstruction in the way on tracked arrays of PV panels. Open end cap 84 defines a wire passage opening 90 and has a curved extension 86 over which a jumper tube 88, see figure 7, is mounted.
  • Wires 12 pass between the spaced-apart PV panels 14 along a wire passageway through wire passage opening 90, through curved extension 86 and through jumper tube 88.
  • Jumper tube 88 can be made with somewhat flexible material, such as PVC or ABS, with a slit along its length to permit it to be placed over curved extensions 86 and the wires 12 extending between space-apart open end caps 84 as shown in figure 7.
  • the length of jumper tube 88 is made to be slightly shorter than the distance between open end caps 84 so that it maintains contact with the curved extensions 86 of the open end caps.
  • fasteners 20 having unique torque receiving surfaces can be used so that it is less likely that a thief has access to a proper tool for removal of such fasteners.
  • the fasteners could be provided of a type which can allow for ready installation but does not allow for ready disassembly. For instance, rivets could be used instead of threaded
  • DOCX fasteners or threaded fasteners with heads which allow for torque to be applied for fastening but not to be applied for removal.
  • the fasteners could have heads which snap off after the fastener has been used, so that the torque applying head is removed and unavailable for theft access after installation.
  • wire covers 10 are provided which are of standard lengths which allow for convenient handling thereof, such as six foot lengths or ten foot lengths.
  • the wire covers 10 can overlap each other somewhat at ends thereof to allow for continuous covering of the wires 12.
  • Each wire cover 10 would typically have a length which spans two or more panels 14.
  • the positions of the slotted holes 38, 40 are preferably selected to generally match widths 78 of the panels 14 but with the slotted holes sufficiently long to accommodate variations in panel size as well as spacing 46 between adjacent panels 14.
  • Covers 10 can be made of bent metal, such as galvanized sheet steel or of sheet aluminum. Covers 10 can also be made of polymer materials, such as PVC, typically through extrusion or molding techniques. While clips 16 are preferably made of materials such as spring steel to aid proper positioning; in some examples clips 16 may be made materials, such as layered materials, which may or may not exhibit the degree of resilience provided by spring steel. The covers 10 and clips 16 could alternatively be made of non-metal materials or metals of other varieties to optimize desired performance characteristics or to minimize expense or otherwise provide for benefits associated with particular materials selected.
  • a PV panel wire cover assembly for use with a PV panel having a perimeter trim piece, the perimeter trim piece having a thickness, comprising:
  • each clip including a proximal end, a long leg and a short leg, the long leg parallel with and joined to a short leg at the proximal end of the clip, the long leg having a distal end;
  • an elongate wire cover including a wire-covering housing, the wire-covering housing having first and second opposite sides and a first flange extending away from the first opposite side, the wire-covering housing defining a housing interior;
  • fastener structure engaging the short leg of the clip and the first flange to bias the first flange and the long leg of the clip therewith towards the short leg of the clip;
  • said wire cover can be fastened to the perimeter trim piece of the PV panel through said clips without penetrating the PV panel.
  • said first flange including a plurality of slotted holes therein;
  • the fastener structure comprising a fastener passing through said slotted holes in said wire covers and into said holes in said clip.
  • each clip comprises a trim engagement element at the distal end of said long leg.
  • a closed end cap mountable to the open end of the elongate wire cover to prevent access to the housing interior.
  • an open end cap mountable to the open end of the elongate wire cover
  • the open end cap having a wire passage opening
  • a jumper tube extending from the open end cap to provide a wire passageway from the wire passage opening through the jumper tube, whereby the open end cap and jumper tube extending therefrom prevents access to the housing interior other than through the wire passageway.
  • a PV panel system comprising:
  • PV panel having wires and a perimeter trim piece, the perimeter trim piece having a thickness
  • PV panel wire cover assembly comprising:
  • each clip including a proximal end, a long leg and a short leg, the long leg parallel with and joined to a short leg at the proximal end of the clip, the long leg having a distal end;
  • the perimeter trim piece of a PV panel housed within a gap between the long leg and the short leg of the clip;
  • DOCX an elongate wire cover including a wire-covering housing, the wire-covering housing having first and second opposite sides and a first flange extending away from the first opposite side, the wire-covering housing defining a housing interior within the wires are contained;
  • fastener structure engaging the short leg of the clip and the first flange to bias the first flange and the long leg of the clip therewith towards the short leg of the clip thus securing the clip to the perimeter trim piece;
  • said wire cover can be fastened to the perimeter trim piece of the PV panel through said clips without penetrating the PV panel.
  • a PV panel wire cover assembly for use with a PV panel having a perimeter trim piece, the perimeter trim piece having a thickness comprising:
  • each clip including a proximal end, a long leg and a short leg, the long leg parallel with and joined to a short leg at the proximal end of the clip, the long leg having a distal end;
  • an elongate wire cover including a wire-covering housing, the wire-covering housing having first and second opposite sides and a first flange extending away from the first opposite side, the wire-covering housing defining a housing interior;
  • said first flange including a plurality of slotted holes therein;
  • fastener structure engaging the short leg of the clip and the first flange to bias the first flange and the long leg of the clip therewith towards the short leg of the clip, the fastener structure comprising a fastener passing through said slotted holes in said wire covers and into said holes in said clip;
  • each clip comprising a trim engagement element at the distal end of said long leg
  • said wire cover can be fastened to the perimeter trim piece of the PV panel through said clips without penetrating the PV panel.
  • the hole in the long leg is a through hole through which a fastener can freely pass and the
  • the fasteners are threaded fasteners
  • the hole in the short leg is a threaded hole for threaded engagement with the threaded fasteners
  • the long and short legs can be drawn towards one another by the engagement of the threaded hole in the short leg by the fastener.
  • a closed end cap mounted to the first open end of the elongate wire cover to prevent access to the housing interior;
  • the open end cap having a wire passage opening
  • a jumper tube extending from the open end cap to provide a wire passageway from the wire passage opening through the jumper tube, whereby the open end cap and jumper tube extending therefrom prevents access to the housing interior other than through the wire passageway, the jumper tube having a length, the jumper tube being split along its length facilitate mounting to the open end cap.

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  • Connection Of Plates (AREA)

Abstract

Ensemble cache-fil 8 pour panneau photovoltaïque, utilisé avec un panneau PV 14 ayant une pièce de garniture périphérique 48, comprend des clips 16, un cache-fil allongé 10 et une structure de fixation 20. Chaque clip comprend une extrémité proximale 62 et des pattes longue et courte 60, 58, la patte longue étant parallèle à la patte courte et reliée à cette dernière au niveau de l'extrémité proximale du clip. Un espace 69 entre les pattes longue et courte est dimensionné pour recevoir la pièce de garniture. Le cache-fil comprend un boîtier 32 de protection de fil délimitant un intérieur 34 de boîtier et ayant des premier et second côtés opposés et une première bride 28, 30 s'étendant à partir du premier côté opposé et positionné contre la jambe longue. La structure de fixation entre en prise avec la jambe courte et la première bride pour solliciter la première bride et la jambe longue avec celle-ci vers la jambe courte. Le cache-fils peut être fixé à la pièce de garniture par l'intermédiaire des clips sans pénétrer dans le panneau photovoltaïque.
PCT/US2017/027782 2016-04-14 2017-04-14 Cache-fil et support de montage Ceased WO2017181123A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201662322363P 2016-04-14 2016-04-14
US62/322,363 2016-04-14

Publications (1)

Publication Number Publication Date
WO2017181123A1 true WO2017181123A1 (fr) 2017-10-19

Family

ID=60042041

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2017/027782 Ceased WO2017181123A1 (fr) 2016-04-14 2017-04-14 Cache-fil et support de montage

Country Status (1)

Country Link
WO (1) WO2017181123A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164020A (en) * 1991-05-24 1992-11-17 Solarex Corporation Solar panel
US20120192925A1 (en) * 2011-01-27 2012-08-02 Sunpower Corporation Frame-mounted wire management device
US20140246077A1 (en) * 2010-10-27 2014-09-04 Gottlieb Binder Gmbh & Co. Kg Panel Arrangement with Clamping Clip
JP2015158101A (ja) * 2014-02-25 2015-09-03 株式会社ダイドーハント 屋根上機器搭載用支持装置
KR101562850B1 (ko) * 2015-01-27 2015-10-26 (주)한남전기통신공사 태양광 모듈용 접지클립

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164020A (en) * 1991-05-24 1992-11-17 Solarex Corporation Solar panel
US20140246077A1 (en) * 2010-10-27 2014-09-04 Gottlieb Binder Gmbh & Co. Kg Panel Arrangement with Clamping Clip
US20120192925A1 (en) * 2011-01-27 2012-08-02 Sunpower Corporation Frame-mounted wire management device
JP2015158101A (ja) * 2014-02-25 2015-09-03 株式会社ダイドーハント 屋根上機器搭載用支持装置
KR101562850B1 (ko) * 2015-01-27 2015-10-26 (주)한남전기통신공사 태양광 모듈용 접지클립

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