An inter-sheet gap adjustment device and method for a photovoltaic module

Abstract

The application provides a kind of inter-sheet gap adjustment device and method of photovoltaic module, belong to photovoltaic module production technical field, including processing piece and adjusting piece, the adjusting piece is provided with multiple groups, multiple adjusting pieces are arranged in the inside of processing piece, the processing piece is set to open upwards, the inside of processing piece is provided with cavity, multiple adjusting pieces are separated into multiple placing grooves, adjusting piece includes first adjusting plate and second adjusting plate, the first adjusting plate and second adjusting plate are provided with cylinder, the bottom end of first adjusting plate is fixedly connected with the inner bottom end of processing piece, the inside of processing piece is provided with limiting groove, by the setting of adjusting piece, adjusting piece is set to the form of first adjusting plate and second adjusting plate, the adjustment of second adjusting plate position is realized by cylinder, the position of second adjusting plate and first adjusting plate is adjusted under the action of cylinder, so as to realize the distance of adjacent cell sheet installation, complete the adjustment of cell sheet gap.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic module production, and in particular to a device and method for adjusting the gap between panels of a photovoltaic module. Background Art

[0002] During the production of photovoltaic modules, multiple cells are connected in series. During the process of connecting the cells in series, gaps are set between the cells. The gaps are used to reduce collisions between the cells and reduce the probability of cell damage during the production of photovoltaic modules.

[0003] In the prior art, Chinese patent application number 201510741772.5 provides a photovoltaic cell comprising a silicon wafer, a back electrode located on the back of the silicon wafer, and an aluminum back field covering the periphery of the back electrode, wherein the thickness of the aluminum back field is greater than that of the back electrode, and the aluminum back field is provided with a connecting portion for connecting with the back electrode, wherein the connecting portion has a connecting surface extending obliquely to the surface of the back electrode. Compared with the prior art, by improving the structure of the connection between the aluminum back field and the back electrode on the back of the photovoltaic cell, the aluminum back field and the back electrode can be smoothly transitioned. Although the above patent application reduces the occurrence of cold solder joints and reduces the adverse effects of welding caused by the height difference between the two, it can improve the welding effect between the back electrode and the solder ribbon, while reducing the amount of back silver used and reducing production costs. However, during the production process of the cell, the gap between the cells cannot be effectively adjusted, which is inconvenient for cell production. At the same time, the gap between the cells cannot be accurately controlled, resulting in poor production and use of photovoltaic modules. To this end, a device and method for adjusting the gap between cells in a photovoltaic module are proposed. Summary of the Invention

[0004] An object of the present invention is to provide a device for adjusting the gap between panels of a photovoltaic module, and another object is to provide a method for adjusting the gap between panels of a photovoltaic module. By setting an adjusting member, the adjusting member is set to a first adjusting plate and a second adjusting plate that move relative to each other under the action of a cylinder, so as to solve the problem proposed in the above background technology that the gap between the battery panels cannot be accurately controlled, resulting in poor production and use effects of photovoltaic modules.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a device for adjusting the gap between panels of a photovoltaic module, comprising a processing part and an adjusting part, wherein the adjusting part is provided in multiple groups, and the multiple groups of adjusting parts are all arranged inside the processing part, the processing part is arranged to be upwardly open, and a cavity is provided inside the processing part, and the multiple groups of adjusting parts divide the cavity into multiple placement slots, and the adjusting part comprises a first adjusting plate and a second adjusting plate, and a cylinder is installed between the first adjusting plate and the second adjusting plate.

[0006] As a further solution of the present invention: the bottom end of the first adjustment plate is fixedly connected to the inner bottom end of the workpiece, a limiting groove is provided inside the workpiece, and the second adjustment plate is slidably connected to the workpiece through the limiting groove.

[0007] As a further solution of the present invention: battery cells are placed inside the placement groove, two conductive sheets are installed between two adjacent battery cells, the battery cells are electrically connected through corresponding conductive sheets, and the battery cells are arranged in a hexagonal shape.

[0008] As a further solution of the present invention: the first adjustment plate and the second adjustment plate are respectively provided with through holes, and the conductive sheet realizes electrical connection of adjacent battery cells through the corresponding through holes.

[0009] As a further solution of the present invention: the penetration hole is set to be open at the top, and the conductive sheet is adhered to the outer surfaces of the plurality of battery sheets by electrocoagulation.

[0010] A method for adjusting the gap between cells of a photovoltaic assembly comprises the following steps: placing cells, adjusting an adjusting member, and connecting a conductive sheet to the cells.

[0011] As a further solution of the present invention, the following steps are specifically included:

[0012] S1: Place the battery cell. The battery cell is placed in the placement groove formed between two adjacent adjustment members. When placing the battery cell, the end of the battery cell close to the first adjustment plate contacts the first adjustment plate. Then, the second adjustment plate contacting the other end of the same battery cell is adjusted to adjust the size of the placement groove of the first and second adjustment plates. The adjacent first and second adjustment plates realize the positioning of the battery cell.

[0013] S2: Adjustment of the adjustment member, the cylinder realizes the adjustment of the position of the second adjustment plate, the second adjustment plate contacts the end of the battery cell under the action of the cylinder, the position of the second adjustment plate and the first adjustment plate is adjusted to control the distance between adjacent battery cells, and the gap between the battery cells is adjusted;

[0014] S3: Connecting the conductive sheet to the battery cell. Finally, the conductive sheet passes through the corresponding through-holes, and then the conductive sheet is adhered to the outer surfaces of the multiple battery cells by electrocoagulation.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. In the present invention, the adjusting member is set to the form of a first adjusting plate and a second adjusting plate, and the position of the second adjusting plate is adjusted by using a cylinder, so as to control the second adjusting plate to contact with the end of the battery cell under the action of the cylinder. The position of the second adjusting plate and the first adjusting plate is adjusted to control the installation distance of adjacent battery cells, and the adjustment of the battery cell gap is completed. At the same time, the first adjusting plate and the second adjusting plate are used to adjust the size of the placement groove to facilitate the placement of different battery cells. The setting of the first adjusting plate and the second adjusting plate can control the total length of the gap between the battery cells placed in the placement groove to be always equal, thereby further facilitating the installation of the battery cells on the photovoltaic module.

[0017] 2. By setting a limiting groove, the second adjustment plate is controlled to extend into the interior of the limiting groove, and the second adjustment member is slidably connected to the workpiece through the limiting groove, thereby enhancing the stability of the second adjustment plate during the sliding process, and corresponding through-holes are respectively set on the first adjustment plate and the second adjustment plate. The setting of the through-holes can further realize the limitation of the conductive sheet, thereby facilitating the electrocoagulation operation between the conductive sheet and the battery sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The figure is a schematic structural diagram of a device for adjusting the gap between panels of a photovoltaic module.

[0019] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0020] Figure 3 for Figure 1 A diagram showing the state of the adjusting member after the second adjusting plate moves relative to the first adjusting plate.

[0021] Figure 4 for Figure 3 Enlarged view of point B in the middle.

[0022] Figure 5 It is a schematic diagram of the top view structure of the figure.

[0023] Figure 6 for Figure 5 A three-dimensional view of the middle adjustment part.

[0024] Figure 7 for Figure 6 Schematic diagram of the three-dimensional structure.

[0025] In the figure: 10, processing part; 101, limiting groove; 11, placement groove; 12, battery cell; 121, conductive sheet; 20, adjustment part; 201, through hole; 202, cylinder; 21, first adjustment plate; 22, second adjustment plate. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] In addition, when an element in the present invention is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0028] See also Figure 1-Figure 7 In an embodiment of the present invention, a device and method for adjusting the gap between cells of a photovoltaic module are provided, wherein the adjusting device includes a processing part 10, an adjusting part 20 is provided inside the processing part 10, and the adjusting part 20 is provided in multiple groups. Multiple adjusting parts 20 are installed inside the processing part 10, and the processing part 10 is arranged to be upwardly open. A cavity is provided inside the processing part 10, and multiple groups of adjusting parts 20 divide the cavity into multiple placement grooves 11, and battery cells 12 are placed inside the placement grooves 11. Two conductive sheets 121 are installed between two adjacent battery cells 12. The battery cells 12 are electrically connected through corresponding conductive sheets 121, and the battery cells 12 are arranged in a hexagonal shape.

[0029] The adjusting member 20 includes a first adjusting plate 21 and a second adjusting plate 22, a cylinder 202 is installed between the first adjusting plate 21 and the second adjusting plate 22, and the distance between the first adjusting plate 21 and the second adjusting plate 22 is adjusted by the cylinder 202. The first adjusting plate 21 and the second adjusting plate 22 are respectively provided with a through hole 201, and the conductive sheet 121 realizes the electrical connection of adjacent battery cells 12 through the corresponding through holes 201. The bottom end of the first adjusting plate 21 is fixedly connected to the inner bottom end of the processing piece 10, and a limiting groove 101 is provided inside the processing piece 10. The second adjusting plate 21 is provided with a limiting groove 101. The node plate 22 is slidably connected to the workpiece 10 through the limiting groove 101. By setting the limiting groove 101, the second adjustment plate 22 is controlled to extend into the interior of the limiting groove 101, and the second adjustment member 22 is slidably connected to the workpiece 10 through the limiting groove 101, thereby enhancing the stability of the second adjustment plate 22 during the sliding process. The through hole 201 is set with a top opening, and the conductive sheet 121 is adhered to the outer surface of multiple battery cells 12 by electrocoagulation. The setting of the through hole 201 can further realize the limitation of the conductive sheet 121, thereby facilitating the electrocoagulation operation between the conductive sheet 121 and the battery cell 12.

[0030] A method for adjusting the gap between cells of a photovoltaic module includes the following steps: placing a cell 12, adjusting an adjusting member 20, and connecting a conductive sheet 121 to the cell 12.

[0031] The specific steps include:

[0032] S1: The battery cell 12 is placed between the placement grooves 11 formed between two adjacent adjustment members 20. When placing the battery cell 12, one end of the battery cell 12 close to the first adjustment plate 21 contacts the first adjustment plate 21. Then, the second adjustment plate 22 in contact with the other end of the same battery cell 12 is adjusted to adjust the size of the placement groove 11 by the first adjustment plate 21 and the second adjustment plate 22. The adjacent first adjustment plates 21 and the second adjustment plates 22 limit the position of the battery cell 12.

[0033] S2: Adjustment of the adjustment member 20, the cylinder 202 adjusts the position of the second adjustment plate 22, the second adjustment plate 22 contacts the end of the battery cell 12 under the action of the cylinder 202, the second adjustment plate 22 and the first adjustment plate 21 position adjustment, control the distance between adjacent battery cells 12 installed, complete the adjustment of the gap between the battery cells 12;

[0034] S3: Connecting the conductive sheet 121 to the battery cells 12. Finally, the conductive sheet 121 passes through the corresponding through-holes 201. Then, the conductive sheet 121 is adhered to the outer surfaces of the plurality of battery cells 12 by electrocoagulation.

[0035] The working principle of the present invention is:

[0036] First, the battery cell 12 is placed between the placement grooves 11 formed between two adjacent adjustment members 20. When placing the battery cell 12, one end of the battery cell 12 close to the first adjustment plate 21 is brought into contact with the first adjustment plate 21. Then, the second adjustment plate 22 that is in contact with the other end of the same battery cell 12 is adjusted. The adjacent first adjustment plates 21 and second adjustment plates 22 are used to limit the position of the battery cell 12. Since the second adjustment plate 22 is slidably connected to the workpiece 10 through the limiting groove 101, the cylinder 202 adjusts the position of the second adjustment plate 22. The second adjustment plate 22 is controlled to contact the end of the battery cell 12 under the action of the cylinder 202. The positions of the second adjustment plate 22 and the first adjustment plate 21 are adjusted to control the installation distance of adjacent battery cells 12, and complete the adjustment of the gap between the battery cells 12. At the same time, the first adjustment plate 21 and the second adjustment plate 22 adjust the size of the placement groove 11 to facilitate the placement of different battery cells 12. After the adjustment is completed, the conductive sheet 121 passes through the corresponding through-hole 201, and then the conductive sheet 121 is adhered to the outer surface of multiple battery cells 12 by electrocoagulation.

[0037] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0038] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A photovoltaic module inter-sheet gap adjustment device, comprising a processing part (10) and an adjusting part (20), wherein the adjusting part (20) is provided in multiple groups, and the multiple groups of the adjusting parts (20) are all arranged inside the processing part (10), characterized in that: The processing piece (10) is provided with an upward opening, a cavity is provided inside the processing piece (10), and a plurality of groups of the adjusting pieces (20) divide the cavity into a plurality of placement slots (11), the adjusting piece (20) comprises a first adjusting plate (21) and a second adjusting plate (22), and a cylinder (202) is installed between the first adjusting plate (21) and the second adjusting plate (22); wherein The bottom end of the first adjustment plate (21) is fixedly connected to the inner bottom end of the workpiece (10), a limiting groove (101) is provided inside the workpiece (10), and the second adjustment plate (22) is slidably connected to the workpiece (10) through the limiting groove (101); A battery cell (12) is placed inside the placement groove (11), two conductive sheets (121) are installed between two adjacent battery cells (12), the battery cells (12) are electrically connected via corresponding conductive sheets (121), and the battery cells (12) are arranged in a hexagonal shape; The first adjustment plate (21) and the second adjustment plate (22) are respectively provided with a through hole (201), and the conductive sheet (121) realizes electrical connection between adjacent battery sheets (12) through the corresponding through holes (201).

2. The inter-sheet gap adjustment device of a photovoltaic module according to claim 1, characterized in that: The penetration hole (201) is provided with an open top, and the conductive sheet (121) is adhered to the outer surface of the plurality of battery sheets (12) by electrocoagulation.

3. A method for adjusting the gap between panels of a photovoltaic module, using the device for adjusting the gap between panels of a photovoltaic module according to claim 2, characterized in that: The following steps are involved: The battery cell (12) is placed, the adjusting member (20) is adjusted, and the conductive sheet (121) is connected to the battery cell (12).

4. The method for adjusting the gap between photovoltaic modules according to claim 3, wherein: The specific steps include: S1: placement of the battery cell (12), the battery cell (12) is placed between the placement grooves (11) formed between two adjacent adjustment members (20), when placing the battery cell (12), one end of the battery cell (12) close to the first adjustment plate (21) contacts the first adjustment plate (21), then the second adjustment plate (22) contacted with the other end of the same battery cell (12) is adjusted to achieve the first adjustment plate (21) and the second adjustment plate (22) adjusting the size of the placement groove (11), and the adjacent first adjustment plate (21) and the second adjustment plate (22) achieve the limitation of the battery cell (12); S2: The adjusting member (20) is adjusted, and the cylinder (202) realizes the adjustment of the position of the second adjusting plate (22). Under the action of the cylinder (202), the second adjusting plate (22) contacts the end of the battery cell (12). The position of the second adjusting plate (22) and the first adjusting plate (21) is adjusted to control the installation distance of adjacent battery cells (12) and complete the adjustment of the gap between the battery cells (12); S3: Connecting the conductive sheet (121) to the battery sheet (12). Finally, the conductive sheet (121) passes through the corresponding hole (201). Then, the conductive sheet (121) is adhered to the outer surface of the plurality of battery sheets (12) by electrocoagulation.

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