Auxiliary packaging device for solar cells

Abstract

The utility model relates to the technical field of solar cells, in particular to an auxiliary packaging device for solar cells, and aims to solve the problem that the quality of the solar cells is affected by smudginess of isolation paper in the packaging process of the existing solar cells. In order to achieve the purpose, the auxiliary bag collecting device comprises a workbench, a stable support, an air knife and an air pipe, and one end of the stable support is connected to the workbench; the air knife is connected to one end, far away from the workbench, of the stable bracket, and is configured to assist in separating two adjacent solar cells, blowing and cleaning isolation paper between the two adjacent solar cells; the air pipe is configured to supply air to the air knife. The vertically stacked solar cells and the isolation paper are placed on the workbench, high-pressure air is blown out from the air knife and blows downwards from the position above the solar cells, fragments and dust attached to the solar cells and the isolation paper can be swept away, and the possibility that the solar cells are scratched, cracked or broken is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of solar cells, and particularly provides an auxiliary packing device for solar cell wafers. Background Art

[0002] With the continuous consumption of traditional energy, the energy problem has become an important issue of global concern, and promoting the development of renewable energy has become the focus. Among them, solar energy has significant advantages such as cleanness, safety, and rich resources, and has gradually emerged and become the focus of research and development by everyone. After decades of development, photovoltaic power generation technology has also made remarkable progress, and solar cell wafers are a very important part.

[0003] After the production of solar cell wafers is completed, they need to be packed. Before packing, the solar cell wafers and the separator paper are stacked flat in sequence; during the packing process, it is necessary to change the flat-stacked wafers and separator paper to a vertical position, align the wafers and the separator paper to make them neatly arranged, and then change the vertically stacked wafers and separator paper back to the flat-stacked state for boxing.

[0004] Due to the static electricity of the separator paper, it is easy to adsorb debris and dust and other sundries. As the number of stacked wafers increases, the sundries adsorbed on the separator paper are likely to cause scratches, hidden cracks, and chipping of the wafers.

[0005] Therefore, there is an urgent need for an auxiliary packing device for solar cell wafers to solve the problem that the dirt on the separator paper affects the quality of solar cells during the packing process of existing solar cell wafers. Summary of the Utility Model

[0006] The utility model aims to solve the above technical problems, that is, to solve the problem that the dirt on the separator paper affects the quality of solar cells during the packing process of existing solar cell wafers.

[0007] In a first aspect, the utility model provides an auxiliary packing device for solar cell wafers, including: a workbench; a stable support, one end of which is connected to the workbench; an air knife, connected to the end of the stable support far from the workbench, configured to assist in separating two adjacent solar cell wafers and to blow and clean the separator paper located between the two adjacent solar cell wafers; an air duct, configured to supply air to the air knife.

[0008] In the specific implementation manner of the above auxiliary packing device for solar cell wafers, the air duct includes an air inlet duct and an air outlet duct that are connected in sequence, the air outlet duct is connected to the air knife, and a first valve is provided on the air inlet duct, and the first valve is configured to control the on-off of the air inlet duct.

[0009] In the specific implementation manner of the above-mentioned auxiliary packing device for solar cells, the first valve is configured to be in a normally closed state and to ventilate the air inlet pipe after being activated.

[0010] In the specific implementation manner of the above-mentioned auxiliary packing device for solar cells, the first valve is a foot-operated valve, and the first valve is a mechanical valve or a trigger-type electric valve.

[0011] In the specific implementation manner of the above-mentioned auxiliary packing device for solar cells, a second valve is further arranged on the air inlet pipe at an interval from the first valve, and the second valve is configured to control the on-off of the air inlet pipe.

[0012] In the specific implementation manner of the above-mentioned auxiliary packing device for solar cells, the air outlet pipe is fixed to the stable bracket.

[0013] In the specific implementation manner of the above-mentioned auxiliary packing device for solar cells, the stable bracket is an adjustable bracket, and is configured to adjust the blowing angle and position of the air knife.

[0014] In the specific implementation manner of the above-mentioned auxiliary packing device for solar cells, the stable bracket includes a first rod and a second rod. The first end of the first rod is hinged to the first end of the second rod, and the second end of the second rod is hinged to the air knife.

[0015] In the specific implementation manner of the above-mentioned auxiliary packing device for solar cells, the auxiliary packing device further includes a fixing clip. The fixing clip is clamped on the edge of the workbench, and the stable bracket is connected to the fixing clip.

[0016] In the specific implementation manner of the above-mentioned auxiliary packing device for solar cells, the air duct is connected to the fixing clip.

[0017] Compared with the prior art, the present utility model has at least the following advantages:

[0018] The auxiliary packaging device for solar cells provided by the present utility model includes a workbench, a stable support, an air knife, and an air duct. One end of the stable support is connected to the workbench; the air knife is connected to the end of the stable support away from the workbench and is configured to assist in separating two adjacent solar cells and blowing flat and cleaning the separator paper located between two adjacent solar cells; the air duct is configured to supply air to the air knife. The vertically stacked solar cells and the separator paper are placed on the workbench, and high-pressure air is blown out from the air knife and purged downward from above the solar cells, which helps the staff to separate two adjacent solar cells; after the two adjacent solar cells are separated, the high-pressure air blown out by the air knife can clean the debris and dust attached to the solar cells and the separator paper, reducing the possibility of scratches, hidden cracks or chipping on the solar cells; at the same time, the compressed air blown out by the air knife can also flatten the separator paper, so as to align the separator paper and the solar cells and improve the working efficiency of packaging.

[0019] Furthermore, the air duct includes a sequentially connected air inlet pipe and an air outlet pipe. A first valve is provided on the air inlet pipe, and the first valve is configured to control the on-off of the air inlet pipe. Among them, the air inlet pipe is a normally closed valve. When the auxiliary packaging device for solar cells is in use, the first valve is normally in a closed state to block the supply of high-pressure air to the air outlet pipe and the air knife. When it is necessary to supply air to the air outlet pipe and the air knife, the first valve is started, and at this time the first valve is opened, so that the high-pressure air flows to the air outlet pipe and the air knife, thereby saving gas and reducing energy consumption. Description of the Drawings

[0020] The following describes the preferred embodiments of the present utility model with reference to the drawings. In the drawings:

[0021] Figure 1 is a schematic diagram of the auxiliary packaging device for solar cells provided by an embodiment of the present disclosure;

[0022] Figure 2 is a schematic diagram of the air knife of the auxiliary packaging device for solar cells provided by an embodiment of the present disclosure;

[0023] Figure 3 is a schematic diagram of the tool head of the auxiliary packaging device for solar cells provided by an embodiment of the present disclosure.

[0024] Description of the Reference Numerals in the Drawings:

[0025] 1. Workbench; 2. Stable support; 21. First rod; 22. Second rod; 3. Fixed clamp; 4. Air knife; 41. Tool head; 411. Mounting rod; 412. Air inlet interface; 42. Tool head connecting frame; 5. Air duct; 51. Air inlet pipe; 511. First valve; 512. Second valve; 52. Air outlet pipe. Detailed Embodiments

[0026] The preferred embodiments of the present disclosure will be described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present disclosure and are not intended to limit the protection scope of the present disclosure.

[0027] It should be noted that in the description of the present disclosure, the terms indicating the direction or positional relationship such as "upper", "lower", "left", "right", "inner", "outer", etc. are based on the direction or positional relationship shown in the drawings. This is only for convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation of the present disclosure. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] Furthermore, it should also be noted that in the description of the present disclosure, unless otherwise clearly specified and defined, the terms "installation", "setting", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and can also be the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present disclosure can be understood according to specific situations.

[0029] In the known technology, the packaging process of solar cells is as follows:

[0030] S1. After the production of solar cells is completed, the solar cells are stacked flat, and an isolation paper is arranged between two adjacent solar cells to isolate and protect the solar cells. Especially for back-contact cells, the front surface of the solar cell is easily scratched, and the isolation paper can effectively protect the solar cells from being scratched by friction between the solar cells.

[0031] S2. Change the flat-stacked solar cells to vertically stacked ones, and sort out the solar cells and the isolation paper to make the solar cells and the isolation paper neatly arranged.

[0032] S3. Then change the vertically stacked solar cells and the isolation paper back to flat stacking and pack them into boxes.

[0033] Due to the static electricity of the isolation paper, in step S1, it is easy to adsorb debris, dust and other sundries, thus polluting the solar cells and reducing the quality of the cells. In addition, during the packaging and transportation processes, since the cells are in a flat-stacked state, the bottom cells are under greater pressure. Once the pressure is too large or the solar cells are impacted due to factors such as jolting, the debris adsorbed on the isolation paper is likely to cause scratches, hidden cracks or chipping on the solar cells.

[0034] Based on this, the present utility model provides an auxiliary packaging device for solar cells, which includes a workbench, a stabilizing bracket, an air knife, and an air duct. One end of the stabilizing bracket is connected to the workbench; the air knife is connected to the end of the stabilizing bracket away from the workbench and is configured to assist in separating two adjacent solar cells and to blow flat and clean the separator paper located between the two adjacent solar cells; the air duct is configured to supply air to the air knife.

[0035] The following describes the auxiliary packaging device for solar cells according to some embodiments of the present disclosure through specific examples.

[0036] The auxiliary packaging device for solar cells includes a workbench 1, which is mainly used to sort the vertically stacked solar cells and separator paper so that the solar cells and the separator paper are neatly arranged. Among them, the separator paper can specifically be a laminated paper.

[0037] As Figure 1 shown, a stabilizing bracket 2 is arranged on the workbench 1, and the stabilizing bracket 2 is connected to the workbench 1.

[0038] In the example of the present disclosure, a fixed clamp 3 is arranged on the workbench 1, and the fixed clamp 3 clamps the edge of the workbench 1, and the stabilizing bracket 2 is connected to the fixed clamp 3. Of course, without departing from the principle of the present utility model, in some other examples, the stabilizing bracket 2 is directly connected to the workbench 1, and all of them should be included in the protection scope of the present disclosure.

[0039] An air knife 4 is connected to the end of the stabilizing bracket 2 away from the workbench 1. At the same time, the auxiliary packaging device for solar cells further includes an air duct 5 for supplying air to the air knife 4. The air knife 4 has a flat air outlet and is configured to assist in separating two adjacent solar cells and to blow flat and clean the separator paper located between the two solar cells. Specifically, the vertically stacked solar cells and the separator paper are placed on the workbench 1, and high-pressure air is blown out from the flat air outlet of the air knife 4 and blown downward from above the solar cells, which helps the staff to separate two adjacent solar cells; after the two adjacent solar cells are separated, the high-pressure air blown out by the air knife 4 can clean the debris and dust attached to the solar cells and the separator paper, reducing the possibility of scratches, hidden cracks or edge chipping of the solar cells; at the same time, the compressed air blown out by the air knife 4 can also flatten the separator paper so as to align the separator paper with the solar cells and improve the working efficiency of packaging.

[0040] The stable support 2 is an adjustable support configured to adjust the blowing angle and position of the air knife 4. In an example of the present disclosure, the stable support 2 includes a first rod 21 and a second rod 22. The first end of the first rod 21 is hinged to the first end of the second rod 22. The second end of the first rod 21 is hinged to the fixed clip 3, and the second end of the second rod 22 is hinged to the air knife 4. In this way, by adjusting the angles between the air knife 4 and the first rod 21, between the first rod 21 and the second rod 22, and between the second rod 22 and the fixed clip 3, the position and blowing angle of the air knife 4 can be effectively adjusted.

[0041] In addition, as Figure 2 and Figure 3 shown, the air knife 4 includes a blade head 41 and a blade head connecting frame 42. The blade head connecting frame 42 is U-shaped. Installation rods 411 are provided at both ends of the blade head 41, and the installation rods 411 are rotatably connected to the blade head connecting frame 42, thereby increasing the degree of freedom of the blade head 41 and enabling more convenient adjustment of the blowing angle of the air knife 4. An air inlet interface 412 is provided on the blade head 41, and the air inlet interface 412 is connected to the air inlet pipe 51 by means of threaded connection or clamping connection.

[0042] In an example of the present disclosure, as Figure 1 shown, the air duct 5 includes an air inlet pipe 51 and an air outlet pipe 52 that are sequentially connected. Among them, the air inlet pipe 51 is connected to the air source, and the air outlet pipe 52 is connected to the air knife 4. In this way, air is supplied to the air knife 4 through the air inlet pipe 51 and the air outlet pipe 52. For example, the air inlet pipe 51 is led from top to bottom, which is suitable for the case where the high-pressure air pipe is arranged on the top of the factory building. Of course, the air inlet pipe 51 can also be arranged at other positions, which is specifically related to the installation position of the high-pressure air pipe. The present utility model does not make specific limitations on this.

[0043] A first valve 511 is provided on the air inlet pipe 51, and the first valve 511 is configured to control the on-off of the air inlet pipe 51. In an example of the present utility model, the first valve 511 is a normally closed valve and is opened to allow air to pass through the air inlet pipe 51 after being activated. That is, when the auxiliary packing device for solar cells is in use, the first valve 511 is normally in a closed state to block the supply of high-pressure air to the air outlet pipe 52 and the air knife 4. When it is necessary to supply air to the air outlet pipe 52 and the air knife 4, the first valve 511 is activated. At this time, the first valve 511 is opened, allowing high-pressure air to flow to the air outlet pipe 52 and the air knife 4, thereby saving air and reducing energy consumption.

[0044] For example, the first valve 511 is a foot-operated valve, which is arranged at the bottom of the workbench 1 so that the staff can control the opening and closing of the first valve 511 with their feet, without affecting the manual operation to regularize the operation efficiency of the solar cell and the isolation paper. The first valve 511 can specifically be a mechanical valve or a triggered electric valve. When the first valve 511 is set as a triggered electric valve, the first valve 511 includes an electric switch and a valve control mechanism. Each time the electric switch is triggered, the valve control mechanism is opened for a set duration and then closed, so that there is no need to continuously press the electric switch to control the opening of the first valve 511.

[0045] In the example of the present utility model, a second valve 512 is also arranged on the air inlet pipe 51 at an interval from the first valve 511. Specifically, the second valve 512 is located upstream of the first valve 511 and is configured to control the on-off of the air inlet pipe 51. The second valve 512 is a normally open valve, which remains open during the use of the auxiliary packaging device for solar cells and closes when the auxiliary packaging device for solar cells stops being used to prevent air leakage.

[0046] In addition, the air duct 5 is connected to the fixing clip 3, so that the fixing clip 3, the air duct 5, the stabilizing bracket 2 and the air knife 4 form an integral body. By changing the clamping position of the fixing clip 3 on the workbench 1, the working range of the air knife 4 on the workbench 1 can be adjusted as a whole.

[0047] The air inlet pipe 51 can specifically be set as a hard pipe to increase the reliability of air supply. The air outlet pipe 52 can be set as a flexible pipe and fixed to the stabilizing bracket 2 by means of cable ties or the like.

[0048] It should be specifically noted that, without departing from the principle of the present utility model, in other examples, those skilled in the art can also set the stabilizing bracket 2 as a flexible bracket, such as a gooseneck tube, which should all be included in the protection scope of the present utility model. In addition, when the stabilizing bracket 2 adopts a gooseneck tube, the stabilizing bracket 2 can also serve as the air outlet pipe 52.

[0049] In summary, the working principle of the present utility model is as follows:

[0050] Before preparing for the operation of collecting packets, open the second valve 512. The stacked solar cells and the separator paper are placed vertically on the workbench 1, and the stabilizing bracket 2 and the air knife 4 are adjusted so that the air knife 4 is located above the solar cells and has a suitable blowing angle. Open the first valve 511 to supply air to the air outlet pipe 52 and the air knife 4, so that the high-pressure air blows from the flat air outlet of the air knife 4 to the solar cells, which helps the staff to separate two adjacent solar cells; after the two adjacent solar cells are separated, the high-pressure air blown by the air knife 4 can clean the debris and dust attached to the solar cells and the separator paper, reducing the possibility of scratches, hidden cracks or chipping on the solar cells; at the same time, the compressed air blown by the air knife 4 can also flatten the separator paper, so as to align the separator paper and the solar cells, improving the work efficiency of packet collection.

[0051] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of the present invention.

Claims

1. An auxiliary packing device for solar cell wafers, characterized in that, Comprising: Workbench (1); Stable support (2), one end of which is connected to the workbench (1); Air knife (4), connected to the end of the stable support (2) away from the workbench (1), configured to assist in separating two adjacent solar cells and to blow flat and sweep the separator paper between two adjacent solar cells; Air duct (5), configured to supply air to the air knife (4).

2. The auxiliary packing device for solar cells according to claim 1, characterized in that, The air duct (5) includes an air inlet pipe (51) and an air outlet pipe (52) that are sequentially connected. The air outlet pipe (52) is connected to the air knife (4). A first valve (511) is provided on the air inlet pipe (51), and the first valve (511) is configured to control the on / off of the air inlet pipe (51).

3. The auxiliary packing device for solar cells according to claim 2, wherein The first valve (511) is configured to be in a normally closed state and to allow the air inlet pipe (51) to be ventilated after startup.

4. The auxiliary packing device for solar cells according to claim 3, characterized in that The first valve (511) is a foot-operated valve, and the first valve (511) is a mechanical valve or a triggered electric valve.

5. The auxiliary packing device for solar cells according to claim 2, wherein A second valve (512) is further provided on the air inlet pipe (51) and is spaced apart from the first valve (511). The second valve (512) is configured to control the on / off of the air inlet pipe (51).

6. The auxiliary packing device for solar cells according to claim 2, characterized in that, The air outlet pipe (52) is fixed to the stable support (2).

7. The auxiliary packing device for solar cells according to claim 1, characterized in that The stable support (2) is an adjustable support, configured to adjust the blowing angle and position of the air knife (4).

8. The auxiliary packing device for solar cells according to claim 7, characterized in that The stable support (2) includes a first rod (21) and a second rod (22). The first end of the first rod (21) is hinged to the first end of the second rod (22), and the second end of the second rod (22) is hinged to the air knife (4).

9. The auxiliary packing device for solar cells according to claim 1, characterized in that, The auxiliary bagging device further includes a fixing clip (3). The fixing clip (3) is clamped to the edge of the workbench (1), and the stable support (2) is connected to the fixing clip (3).

10. The auxiliary packing device for solar cells according to claim 9, wherein, The air duct (5) is connected to the fixing clip (3).

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