A photovoltaic cell material box

Abstract

This utility model relates to a photovoltaic cell material box, comprising: a base plate; two side plates, respectively fixed to both ends of the base plate, each side plate having a waist-shaped protrusion on its side surface facing away from the photovoltaic cell; a back plate, fixed to the rear side of the base plate and fixedly connected to the two side plates, the base plate, the two side plates, and the back plate together forming an open-top and front-side receiving space; a cover plate, which can be opened and closed to cover the top of the receiving space; an insert plate, disposed within the receiving space and detachably mounted on the base plate, for supporting the photovoltaic cells; and a pressure block, installed below the cover plate and pressing the photovoltaic cells together after the cover plate is fixed. This utility model enables stable storage and efficient transfer of photovoltaic cells, reduces the risk of damage, and improves the efficiency of the production process.

Description

Technical Field

[0001] This utility model belongs to the field of solar cell storage and retrieval technology, and more specifically, relates to a photovoltaic solar cell material box. Background Technology

[0002] In the photovoltaic (PV) module manufacturing industry, using large-size PV cells (such as 182mm×182mm and 210mm×210mm) combined with PV cell module technology has become the mainstream solution for improving module power. This technology typically involves laser cutting to divide a single PV cell into two or more sub-cells. However, the laser cutting process inevitably creates microscopic damage and defects at the cut edges of the cells. These areas are prone to becoming recombination centers for charge carriers, leading to a decline in the electrical performance of the cells. To repair this damage, the industry generally applies a passivation coating process to the edges of the cells after cutting to restore their surface passivation effect, reduce charge carrier recombination, and thus improve the final output power and reliability of the cells.

[0003] During this passivation process, photovoltaic cells need to be placed in a dedicated cassette for support, positioning, transfer, and processing. The cassette not only needs to maintain the stability of the cell position and uniform edge exposure during the coating process to ensure high-quality deposition of the passivation layer, but also needs to provide reliable mechanical protection for the thin and fragile photovoltaic cells during the transfer between upstream and downstream processes to prevent damage or microcracks caused by vibration, collision, or friction.

[0004] Currently, the photovoltaic cell storage or transfer boxes commonly used in the industry have the following shortcomings: (1) Poor structural stability: When the cells are automatically grasped, transported or moved in the process cavity, they are prone to shifting, shaking or even tipping over in the box, resulting in uneven edge blunting and increasing the risk of physical damage; (2) Low efficiency of loading and unloading: The loading and unloading process of cells is not convenient enough, affecting the production cycle, and the cells are prone to breakage due to improper force when operated manually or by a robot; (3) Limited positioning accuracy: The positioning method of the box itself on the carrier plate or process equipment is not accurate and reliable enough, which may affect the docking accuracy and process repeatability of the entire automated production line; (4) Improper clamping force control: The fixing or clamping method of the cells is either too loose (cannot effectively limit the position) or too tight (may cause uneven force on the cells or stress concentration), lacking an adaptive and flexible clamping mechanism.

[0005] Therefore, there is an urgent need to design a photovoltaic cell cassette that can overcome the above-mentioned defects. Utility Model Content

[0006] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a novel photovoltaic cell material box.

[0007] To solve the above-mentioned technical problems or achieve the above-mentioned objectives, the present invention adopts the following technical solution: According to an aspect of this utility model, a photovoltaic cell material box is provided, comprising: Base plate; Two side plates are fixed to both ends of the base plate, and each side plate has a waist-shaped protrusion on its side surface away from the photovoltaic cell. The back panel is fixed to the rear side of the base plate and is fixedly connected to the two side panels. The base plate, the two side panels and the back panel together form an open accommodating space at the top and front. A cover plate, which can be opened and closed and is installed on top of the accommodating space; The insert plate is inserted into the receiving space and detachably mounted on the base plate to support photovoltaic cells; The pressure block is installed below the cover plate and presses the photovoltaic cells together after the cover plate is fixed.

[0008] In one embodiment of this utility model, a positioning pin hole is provided on the upper surface of each side plate, and a positioning pin is provided on the cover plate, with the positioning pin matching and fixing with the positioning pin hole.

[0009] In one embodiment of this utility model, a first magnetic element is provided on each side plate, and a second magnetic element is provided on the cover plate. The first magnetic element and the second magnetic element attract each other to further fix the cover plate and the side plate together.

[0010] In one embodiment of this utility model, the first magnetic element and the second magnetic element are the same and both are in the form of magnets.

[0011] In one embodiment of this utility model, each magnet is fixed by its respective magnet pressure plate.

[0012] In one embodiment of this invention, the magnet comprises a neodymium iron boron permanent magnet.

[0013] In one embodiment of this utility model, a material box positioning sleeve is provided on the base plate for positioning the photovoltaic cell material box on the carrier plate.

[0014] In one embodiment of this utility model, a spring guide pin is provided between the pressure block and the cover plate, a compression spring is installed on the spring guide pin, and the pressure block is connected to the cover plate through the spring guide pin and the compression spring to form an integral structure.

[0015] In one embodiment of the present invention, operating holes for lifting the cover plate are provided at both ends.

[0016] In one embodiment of this utility model, the bottom of the insert plate has three equally spaced insertion ports.

[0017] The technical solution provided by this utility model has the following advantages compared with the prior art: The photovoltaic cell material box provided by this utility model can realize the stable storage and efficient transfer of photovoltaic cells, reduce the risk of damage, and improve the efficiency of the production process. Attached Figure Description

[0018] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention.

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This invention provides a schematic diagram of the structure of a photovoltaic cell material box according to the preferred embodiment of the present invention, wherein the photovoltaic cell material box is not assembled with photovoltaic cells; Figure 2 It shows Figure 1 A schematic diagram of a photovoltaic cell material box is provided, wherein the photovoltaic cell material box is equipped with photovoltaic cells; Figure 3 It shows Figure 2 Top view; Figure 4 It shows along Figure 3 Sectional view at point AA; Figure 5 It shows Figure 2 A schematic diagram of a partial structure of a photovoltaic cell material box.

[0021] The components are as follows: 1. Base plate; 2. Left side plate; 3. Right side plate; 4. Back plate; 5. Cover plate; 6. Pressing block; 7. Insert plate; 8. Waist-shaped boss; 9. Groove; 10. Operating hole; 11. Spring guide pin; 12. Insertion port; 13. Photovoltaic cell; 14. Material box positioning sleeve; 15. Magnet; 16. Magnet pressing plate; 17. Positioning pin hole; 18. Positioning pin; 19. Compression spring; 20. Accommodation space. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, embodiments of this utility model will be further described below. It should be noted that, unless otherwise specified, embodiments of this utility model and features thereof can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only some embodiments of the present invention, and not all embodiments.

[0024] like Figure 1-5 As shown, this utility model provides a photovoltaic cell material box, comprising: Base plate 1; Two side plates (e.g., left side plate 2 and right side plate 3) are fixed to the two ends of the base plate 1 respectively, and each side plate has a waist-shaped protrusion 8 on the side surface away from the photovoltaic cell 13. Back plate 4 is fixed to the rear side of the base plate 1 and fixedly connected to the two side plates. The base plate 1, the two side plates and the back plate 4 together form an open accommodating space 20 at the top and front. Cover plate 5, cover plate 5 is foldably installed on top of the receiving space 20; Insert plate 7 is inserted into the receiving space 20 and detachably mounted on the base plate 1 to support photovoltaic cells 13; Pressing block 6 is installed below cover plate 5 and presses the photovoltaic cell 13 after cover plate 5 is fixed.

[0025] Through the above-described technical solution of this utility model, this utility model can achieve stable storage and efficient transportation of photovoltaic cells, reduce the risk of damage, and improve the efficiency of the production process.

[0026] In the above embodiments of this utility model, such as Figure 5 As shown, each side plate has a positioning pin hole 17 on its upper surface, and a positioning pin 18 is provided on the cover plate 5. The positioning pin 18 is matched and fixed with the positioning pin hole 17.

[0027] In the above embodiments of this utility model, such as Figure 5 As shown, each side plate (e.g., left side plate 2 and right side plate 3) is provided with a first magnetic element, and the cover plate 5 is provided with a second magnetic element. The first magnetic element and the second magnetic element attract each other to further fix the cover plate 5 to the side plates (e.g., left side plate 2 and right side plate 3). The first magnetic element and the second magnetic element are the same and both take the form of a magnet 15. The magnets 15 mounted on the side plates can attract each other with the magnets 15 on the cover plate 5, thereby holding the cover plate 5 to press the photovoltaic cell 13 tightly.

[0028] In the above embodiments of this utility model, such as Figure 5As shown, each magnet 15 is fixed by its respective magnet plate 16. The magnet 15 is firmly fixed by the magnet plate 16, and the magnetic attraction makes the cover plate 5 tightly close with the two side plates (left side plate 2 and right side plate 3). This design ensures the stability and consistency of the cover plate 5 in the closed state, avoids the cover plate 5 from loosening due to vibration or movement, thereby effectively pressing the photovoltaic cell 13, preventing its displacement or tilting, and reducing the risk of mechanical damage during transportation.

[0029] In the above embodiments of this utility model, the magnet 15 includes a neodymium iron boron permanent magnet.

[0030] In the above embodiments of this utility model, such as Figure 5 As shown, a material box positioning sleeve 14 is provided on the base plate 1 to position the photovoltaic cell material box on the carrier plate. The material box positioning sleeve 14 is designed on the base plate 1, and this structure is used to position the material box on the carrier plate, so that the entire material box can be placed on the carrier plate.

[0031] In the above embodiments of this utility model, such as Figure 1-4 As shown, a spring guide pin 11 is provided between the pressure block 6 and the cover plate 5. A compression spring 19 is installed on the spring guide pin 11, and the pressure block 6 is connected to the cover plate 5 through the spring guide pin 11 and the compression spring 19 to form an integral structure. The design of the spring guide pin 11 and the compression spring 19, through functions such as elastic self-adaptation, buffer protection, and rapid reset, significantly improves the safety, operational efficiency, and equipment durability of the photovoltaic cells 13 during storage and transportation.

[0032] In the above embodiments of this utility model, such as Figure 1-2 As shown, operating holes 10 are provided at both ends of the cover plate 5 for lifting the cover plate 5. The operating holes 10 on the left and right sides of the cover plate 5 are used to slightly lift the cover plate 5 to facilitate the insertion or removal of the photovoltaic cell 13.

[0033] In the above embodiments of this utility model, such as Figure 1-2 As shown in Figure 5, the bottom of the insertion plate 7 has three equally spaced insertion ports 12. The insertion plate 7 is used to support the photovoltaic cells 13, and the three insertion ports 12 at the bottom facilitate the placement and removal of the photovoltaic cells 13.

[0034] The technical solution of this utility model will be described in detail below through specific embodiments.

[0035] Refer again Figure 1-5 This illustrates the preferred embodiment of the photovoltaic cell cassette provided by this utility model.

[0036] In this embodiment, such as Figure 1-5As shown, the photovoltaic cell material box includes a base plate 1, a left side plate 2, a right side plate 3, a back plate 4, a cover plate 5, a pressure block 6, and an insertion plate 7.

[0037] The base plate 1 is used to support the insert plate 7 and the photovoltaic cells 13 on the insert plate 7. The base plate 1 is designed with a material box positioning sleeve 14, which is used to position the photovoltaic cell material box on the carrier plate, so that the entire material box is accurately placed on the carrier plate.

[0038] The left side plate 2 and right side plate 3 prevent the photovoltaic cell 13 from shifting left and right. Magnets 15 are mounted on the left side plate 2 and right side plate 3, attracting each other to the magnets 15 on the cover plate 5, thus holding the cover plate 5 in place to press the photovoltaic cell 13 firmly. Positioning pin holes 17 are provided on the upper surfaces of the left side plate 2 and right side plate 3 to ensure the position of the cover plate 5. Waist-shaped protrusions 8 are provided on the side surfaces of the left side plate 2 and right side plate 3 opposite to the photovoltaic cell 13 (i.e., the left side of the left side plate 2 and the right side of the right side plate 3), for positioning and limiting when gripping the entire material box. Grooves 9 are formed between the waist-shaped protrusions 8, and the gripper of the material box gripping system can grip the material by engaging the grooves 9 in the left side plate 2 and right side plate 3.

[0039] The back plate 4 is used to limit the photovoltaic cell 13. The back plate 4 is fixedly connected to the bottom plate 1, the left side plate 2 and the right side plate 3 to form a receiving space 20 to limit the photovoltaic cell 13. The remaining side opposite to the back plate 4 is open to passivate the edge of the cell.

[0040] Positioning pins 18 are respectively provided on the lower surfaces of both ends of the cover plate 5. The positioning pins 18 can be matched and fixed with the positioning pin holes 17 on the left side plate 2 and the right side plate 3. The cover plate 5 is also provided with magnets 15 and magnetic pressure plates 16, which can attract and match with the magnets 15 and magnetic pressure plates 16 on the left side plate 2 and the right side plate 3. Operating holes 10 are also provided on the side surfaces of both ends of the cover plate 5. When the photovoltaic cell 13 is inserted or removed, the operating holes 10 on the left and right sides of the cover plate 5 are used to slightly lift the cover plate 5.

[0041] The pressure block 6 is equipped with a spring guide pin 11, and a compression spring 19 is installed on the spring guide pin 11. The pressure block 6 is fixedly connected to the cover plate 5 through the spring guide pin 11 and the compression spring 19 thereon, forming a whole, which is used to press the photovoltaic cell 13.

[0042] The insertion plate 7 is detachably mounted on the base plate 1 to support or carry the photovoltaic cell 13. Three equally spaced insertion ports 12 are provided on the bottom of the insertion plate 7 to facilitate the placement and removal of the photovoltaic cell 13.

[0043] When using the aforementioned photovoltaic cell cassette, the photovoltaic cell 13 is placed on the insert plate 7. The insert plate 7 and the photovoltaic cell 13 on it are then inserted into the cassette through the three insertion slots 12 on the bottom of the insert plate 7. The cover plate 5 is then closed, with the positioning pins 18 on the cover plate 5 aligned with the positioning pin holes 17 on the left side plate 2 and the right side plate 3 to ensure accurate positioning of the cover plate 5. Simultaneously, the magnets 15 embedded in the left side plate 2 and the right side plate 3 generate magnetic attraction with the magnets 15 on the cover plate 5, causing the cover plate 5 to close tightly with the left side plate 2 and the right side plate 3. Thus, the photovoltaic cell 13 is limited by the bottom plate 1, the left side plate 2, the right side plate 3, the back plate 4, and the cover plate 5, preventing the photovoltaic cell 13 from shifting due to vibration or tilting during transport. The unlimited side of the photovoltaic cell 13 is designed to be open for edge passivation. After the cover plate 5 is closed, the pressure block 6 below the cover plate 5 applies a uniform preload downward through the spring guide pin 11 and the heat-resistant compression spring 19, pressing the photovoltaic cell 13. The elastic design of the compression spring 19 can effectively fix the photovoltaic cell 13 and avoid damage to the photovoltaic cell 13 due to excessive pressure. After the photovoltaic cell 13 is installed in the material box, the material box cooperates with the gripper of the gripping system through the waist-shaped protrusions 8 on the left side plate 2 and the right side plate 3. After the gripper is engaged in the groove 9 formed by the waist-shaped protrusions 8, the waist-shaped protrusions 8 are used for positioning and limiting to ensure stable gripping of the material box during transportation. The material box positioning sleeve 14 at the bottom of the material box is fixed with the corresponding structure on the carrier plate, thereby accurately placing the material box equipped with the photovoltaic cell 13 on the carrier plate and preventing the material box from sliding or shifting on the carrier plate. In the passivation process, the entire material box is fixed on the carrier plate. The photovoltaic cell 13 is kept vertically stable by the combined action of the cover plate 5 and the pressure block 6. The left side plate 2 and the right side plate 3, along with the back plate 4, restrict lateral displacement, ensuring that the passivation coating evenly covers the edges of the cell. The insertion slot 12 at the bottom of the insertion plate 7 allows for quick loading and unloading of the photovoltaic cell 13, reducing process interruption time. After the passivation coating process is completed, the operator slightly lifts the cover plate 5 through the operating holes 10 on both sides of the cover plate 5, releasing the attraction between the magnets and opening the cover plate 5. The three insertion slots 12 of the insertion plate 7 allow the photovoltaic cell 13 to be easily removed, and the compression spring 19 automatically resets, preparing for the next round of operation.

[0044] Therefore, this invention can achieve stable storage and efficient transportation of photovoltaic cells, reduce the risk of damage, and improve the efficiency of the production process.

[0045] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to the process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0046] The above description is merely an embodiment of the present invention, which enables those skilled in the art to understand and implement the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

Claims

1. A photovoltaic cell material box, characterized in that, include: Base plate; Two side plates are fixed to both ends of the base plate, and each side plate has a waist-shaped protrusion on its side surface away from the photovoltaic cell. A back panel is fixed to the rear side of the base plate and fixedly connected to the two side panels. The base plate, the two side panels, and the back panel together form an open accommodating space at the top and front. A cover plate, which is foldably disposed over the top of the receiving space; An insert plate, which is inserted into the receiving space and detachably mounted on the base plate, is used to support the photovoltaic cells; A pressure block is installed below the cover plate and presses the photovoltaic cells together after the cover plate is fixed.

2. The photovoltaic cell material box according to claim 1, characterized in that, Each of the side plates has a positioning pin hole on its upper surface, and the cover plate is provided with a positioning pin, which is matched and fixed with the positioning pin hole.

3. The photovoltaic cell material box according to claim 1, characterized in that, Each of the side plates is further provided with a first magnetic element, and the cover plate is further provided with a second magnetic element. The first magnetic element and the second magnetic element attract each other to fix the cover plate to the side plate.

4. The photovoltaic cell material box according to claim 3, characterized in that, The first magnetic element and the second magnetic element are the same and both are in the form of magnets.

5. The photovoltaic cell material box according to claim 4, characterized in that, Each of the magnets is fixed in place by its own magnet plate.

6. The photovoltaic cell material box according to claim 5, characterized in that, The magnet includes a neodymium iron boron permanent magnet.

7. The photovoltaic cell material box according to claim 1, characterized in that, The base plate is provided with a material box positioning sleeve for positioning the photovoltaic cell material box on the carrier plate.

8. The photovoltaic cell material box according to claim 1, characterized in that, A spring guide pin is provided between the pressure block and the cover plate. A compression spring is installed on the spring guide pin, and the pressure block is connected to the cover plate through the spring guide pin and the compression spring to form an integral structure.

9. The photovoltaic cell material box according to claim 1, characterized in that, The cover plate has operating holes at both ends for lifting the cover plate.

10. The photovoltaic cell material box according to claim 1, characterized in that, The bottom of the insert plate has three equally spaced sockets.

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