SOLAR PANEL GROUNDING SYSTEM AND CLIP

• US 20140220834A1
• Filed: 07/08/2013
• Published: 08/07/2014
• Est. Priority Date: 02/04/2013
• Status: Abandoned Application

• Current Assignee: Dynoraxx, Inc.
• Original Assignee: Dynoraxx, Inc.
• Inventors: Rizzo, Nathan T.
• Application Number:
  US13/937,138
• Publication Number:
  US 20140220834A1
• Time in Patent Office: Days
• US Class Current: 439/834
• CPC Class Codes: H01L 31/042 PV modules or arrays of single PV cells supporting structures for PV modules H02S20/00
• CPC Class Codes: H01R 11/22 End pieces terminating in a spring clip
• CPC Class Codes: H01R 4/26 Connections in which at least one of the connecting parts has projections which bite into or engage the other connecting part in order to improve the contact H01R4/188, H01R4/203, H01R4/5075 take precedence; using shape memory materials H01R4/01
• CPC Class Codes: H01R 4/64 Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
• CPC Class Codes: Y02E 10/50 Photovoltaic [PV] energy

Abstract

The present invention is a clip and related grounding device. The grounding device has a wire connected to two clips at either end. Each clip is configured to be attached to the frame of a solar panel. The device eliminates fasteners that require bolts or screw to make a sufficient electrical connection between the panel frames. Because the grounding connects frame to frame, it is not necessary to ensure that the frames have a grounding connection to the underlying solar panel mounting system. This enables use of mounting systems that do not conduct electricity. The grounding device is has sufficient gripping strength that the anchoring teeth penetrate through paint, oxidized coating, or annealed finish to create an electrical connection.

Claims

1. A solar panel grounding clip for securing a grounding wire to a solar panel frame, the solar panel comprising:

a strip of spring steel of a predetermined width that is formed and cut to define a generally U-shaped receptacle having a top clamping jaw and a bottom clamping jaw configured to receive a panel;

wherein the receptacle has a back wall and a forward positioned mouth;

wherein the receptacle height adjacent the back wall conforms to the thickness of the solar panel frame and narrows towards the forward positioned mouth;

wherein the top clamping jaw and bottom clamping jaw each have one or more rearwardly and inwardly directed teeth, respectively;

wherein the mouth further defines two outwardly converging lips defining a panel receiving opening forward the mouth;

wherein one lip is formed into a wire crimping loop that is configured to receive and affix by compression or crimping a grounding wire at one end of the grounding wire.

2. The grounding device of claim 1, wherein the grounding clip is made of stainless spring steel.

3. The grounding device of claim 2, wherein the stainless spring steel has a minimum thickness of 0.5 mm and a maximum of 0.7 mm.

4. The grounding device of claim 2, wherein the receptacle has a width that is a minimum of 1.0 mm and a maximum of 3.5 mm wire creates a sufficient bond.

5. A solar panel grounding device for securing a grounding wire between a first solar panel frame and a second solar panel frame, the device comprising:

a wire having a first end and a second end;

a first clip formed from a first strip of spring steel of a predetermined width that is formed and cut to define a generally U-shaped first receptacle configured to receive a first panel, the first clip has a first top clamping jaw and a first bottom clamping jaw;

wherein the first receptacle has a first back wall and a forward positioned first mouth;

wherein the receptacle height adjacent the back wall conforms to the thickness of the solar panel frame and narrows towards the first mouth;

wherein the first top clamping jaw and first bottom clamping jaw each have one or more rearwardly and inwardly directed teeth adjacent the first mouth, respectively;

wherein the first mouth further defines two outwardly converging first lips defining a panel receiving first opening forward the first mouth; and

wherein one first lip is formed into a wire crimping loop and crimp holds the first end of the wire; and

a second clip formed from a second strip of spring steel of a predetermined width that is formed and cut to define a generally U-shaped first receptacle configured to receive a second panel, the second clip has a second top clamping jaw and a second bottom clamping jaw;

wherein the second receptacle has a second back wall and a forward positioned second mouth;

wherein the receptacle height adjacent the back wall conforms to the thickness of the solar panel frame and narrows towards the second mouth;

wherein the second top clamping jaw and second bottom clamping jaw each have one or more rearwardly and inwardly directed teeth adjacent the second mouth, respectively;

wherein the second mouth further defines two outwardly converging second lips defining a panel receiving second opening forward the second mouth; and

wherein one second lip is formed into a wire crimping loop that is configured to receive and clip a grounding wire at one end of the grounding wire.

6. The grounding device of claim 5, wherein the first and second clip are made of stainless spring steel.

7. The grounding device of claim 6, wherein the stainless spring steel has a minimum thickness of 0.5 mm and a maximum of 0.7 mm.

8. The grounding device of claim 7, wherein the wire is a tin or nickel-plated copper wire.

9. The grounding device of claim 8, wherein the wire is bare.

10. The grounding device of claim 9, wherein the wire is twelve gauge or larger.

11. The grounding device of claim 10, wherein the wire has a thickness that is a minimum of 0.015 inches.

12. The grounding device of claim 11, wherein the receptacle has a width that is a minimum of 1.0 mm and a maximum of 3.5 mm wire creates a sufficient bond.

13. A method of electrically connecting two solar panel frames comprising the steps of:

providing a device of claim 5;

attaching the first clip to the first frame; and

attaching the second clip to the second frame.

14. The method of claim 13, wherein the first frame and second frame is selected to have a thickness that is a minimum of 1.0 mm and a maximum of 3.5 mm.

15. The method of claim 13, wherein the step of attaching the first clip and the step of attaching the second clip causes the teeth to remove a layer of annealing and/or paint.

16. The method of claim 13, wherein the first frame and the second frame are mounted to a mounting system or support device that is not an electrical conductor.