Solar cell correction box and solar cell production device
The solar cell correcting box addresses the warping issue by using heat and pressure to reshape warped cells, ensuring accurate testing and improved assembly yields.
Patent Information
- Application Number
- CN202421998706.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-16
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-16
AI Technical Summary
The lack of effective treatment process for bending solar cells in traditional technology has led to inaccurate testing efficiency and decreased welding yield.
A solar cell correction box is provided, including a correction mold, a heating mechanism and a pressure-plastic mechanism, which flattens the bent solar cell by heating and pressure, and corrects it by using the thermoplasticity of the solar cell.
Effectively correct the bent solar cell, ensure testing efficiency and welding yield, and avoid damaging the internal structure of the battery cell.
Smart Images
Figure CN223110423U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of photovoltaic technology, and particularly relates to a solar cell correction box and a solar cell production device. Background Art
[0002] A solar cell is a device that can generate electricity using sunlight, and has high economic and environmental benefits. Solar cells are usually prepared based on semiconductor materials. For example, traditional solar cells are usually formed on the basis of single crystal silicon wafers through multiple coating processes and electrode preparation processes. In the actual production process of solar cells, some solar cells will be bent after the heating and curing process. There is still a lack of a process for dealing with bent solar cells in traditional technologies. Bent solar cells will not only cause inaccurate test efficiency, but also affect the process of further welding solar cells into components, resulting in a significant increase in the defective rate of products. Summary of the Utility Model
[0003] Based on this, in view of the problems in the above background art, it is necessary to provide a solar cell correction box to correct bent solar cells, thereby ensuring accurate test efficiency and good welding yield of components.
[0004] According to some embodiments of the present disclosure, there is provided a solar cell correction box, which includes:
[0005] A correction box body, the interior of the correction box body has a correction chamber;
[0006] A correction mold, the correction mold is arranged in the correction chamber, and a battery accommodation cavity adapted to the solar cell to be corrected is arranged in the correction mold;
[0007] A heating mechanism, the heating mechanism is used to heat the solar cell; and,
[0008] A pressure application and shaping mechanism, the pressure application and shaping mechanism is used to apply pressure to the solar cell to flatten the solar cell.
[0009] In some embodiments of the present disclosure, the solar cell correction box further includes a conveying mechanism, the conveying mechanism is used to convey solar cells, and the conveying path of the conveying mechanism extends in the correction chamber and passes through the battery accommodation cavity.
[0010] In some embodiments of the present disclosure, the conveying mechanism includes a conveying track, and the extending direction of the conveying track forms its conveying path.
[0011] In some embodiments of the present disclosure, the correction mold is provided with a relative battery inlet and a battery outlet, and the conveying track passes through the battery inlet and the battery outlet.
[0012] In some embodiments of the present disclosure, there are multiple conveying mechanisms and multiple correction molds. Each correction mold corresponds to at least one of the conveying mechanisms, and the conveying path of each conveying mechanism passes through the battery accommodating cavity in the corresponding correction mold.
[0013] In some embodiments of the present disclosure, the top end of the correction mold has a pressure application opening communicating with the battery accommodating cavity, and the pressure application and shaping mechanism is configured to apply pressure to the solar cell through the pressure application opening.
[0014] In some embodiments of the present disclosure, the pressure application and shaping mechanism includes a shaping member having a flat pressure application surface, and the shaping member is movable to enable the pressure application surface to extend into the pressure application opening.
[0015] In some embodiments of the present disclosure, the pressure application and shaping mechanism further includes a telescopic driving member connected to the shaping member, and the telescopic driving member is capable of performing telescopic actions to drive the shaping member to move.
[0016] In some embodiments of the present disclosure, the heating mechanism is capable of heating the solar cell to 200°C - 300°C.
[0017] Furthermore, the present disclosure also provides a solar cell production device, which includes a curing furnace and the solar cell correction box as described in any of the above embodiments. The solar cell correction box is arranged after the curing furnace in the production process.
[0018] In the solar cell correction box according to at least one embodiment of the present disclosure, a correction mold, a heating mechanism, and a pressure application and shaping mechanism are provided. During actual use, the battery accommodating cavity of the correction mold loads the solar cell to be corrected to position the solar cell. The heating mechanism is used to heat the solar cell, and its function is to raise the temperature of the solar cell to facilitate shaping the solar cell. The pressure application and shaping mechanism then flattens the bent solar cell by applying pressure. This solar cell correction box utilizes the thermoplasticity of the solar cell itself to flatten the solar cell, and while basically not damaging the internal structure of the battery chip, reshapes the battery chip from a bent form to a flat form. Therefore, this solar cell can more effectively correct the bent battery chip, thereby ensuring the accuracy of the test efficiency and the soldering yield of the component. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 is a schematic structural diagram of a solar cell correction box;
[0020] Figure 2 is Figure 1 the schematic structural diagram of the correction mold in
[0021] Figure 3 is the structural schematic diagram of the pressure application and shaping mechanism in Figure 1 ;
[0022] Figure 4 is the structural schematic diagram of shaping the solar cell by using the solar cell correction box shown in Figure 1 .
[0023] Among them, the meanings of each reference numeral are as follows:
[0024] 100, correction box body; 110, correction mold; 111, battery accommodation cavity; 112, battery inlet; 113, battery outlet; 114, pressure application opening; 120, pressure application and shaping mechanism; 121, shaping part; 122, telescopic driving part; 130, conveying mechanism; 200, solar cell. Specific embodiments
[0025] For the convenience of understanding the present invention, the present invention will be described more comprehensively below in conjunction with the embodiments and effect diagrams. The embodiments give the preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure content of the present invention more thorough and comprehensive.
[0026] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly fixed to the other element, or it can also be fixed to the other element through an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element, or there can also be an intermediate element between the two elements. In addition, in the description of the present invention, unless otherwise clearly defined and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection. For example, it can be a mechanical connection or an electrical connection. For example, it can be a direct connection, or it can be indirectly connected through an intermediate element, or it can also be the communication inside the two elements. It should be understood that those skilled in the art can understand the specific meanings of the above terms according to the specific situation without causing ambiguity.
[0027] Unless otherwise defined, in the description of the present utility model, terms indicating orientation or positional relationship such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings of the utility model. It is only for the convenience and simplification of describing the content of the utility model, and at the same time helps the reader to understand in combination with the drawings, rather than limiting or implying the specific orientation that the device or element must have. Therefore, it should not be construed as a limitation to the present utility model.
[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the implementation manner of the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items. The "plurality" herein includes combinations of two or more items.
[0029] Some embodiments of the present disclosure provide a solar cell correction box, which includes a correction box body, a correction mold, a heating mechanism, and a pressure application and shaping mechanism. Among them, the interior of the correction box body has a correction chamber, the correction mold is arranged in the correction chamber, a battery accommodation cavity adapted to the solar cell to be corrected is arranged in the correction mold, the heating mechanism is used to heat the solar cell, and the pressure application and shaping mechanism is used to apply pressure to the solar cell to flatten the solar cell.
[0030] The correction mold, the heating mechanism, and the pressure application and shaping mechanism are provided in the solar cell correction box. During actual use, the battery accommodation cavity of the correction mold loads the solar cell to be corrected to position the solar cell. The heating mechanism is used to heat the solar cell, and its function is to raise the temperature of the solar cell to facilitate shaping the solar cell. The pressure application and shaping mechanism then flattens the bent solar cell by applying pressure. The solar cell correction box utilizes the thermoplasticity of the solar cell itself to flatten the solar cell, and while basically not damaging the internal structure of the battery chip, reshapes the battery chip from a bent form to a flat form. Therefore, the solar cell can more effectively correct the bent battery chip, thereby ensuring the accuracy of the test efficiency and the welding yield of the component.
[0031] Figure 1 It is a schematic structural diagram of a solar cell correction box for an embodiment. Refer to Figure 1As shown, the solar cell correction box of this embodiment includes a correction box body 100, a correction mold 110, a heating mechanism, and a pressing and shaping mechanism 120. Among them, the interior of the correction box body 100 has a correction chamber, the correction mold 110 is arranged in the correction chamber, and a battery accommodation cavity 111 adapted to the solar cell 200 to be corrected is arranged in the correction mold 110. The heating mechanism is used to heat the solar cell 200, and the pressing and shaping mechanism 120 is used to apply pressure to the solar cell 200 located in the battery accommodation cavity 111 to flatten the solar cell 200.
[0032] Referring to Figure 1 As shown, as some examples of this embodiment, the solar cell correction box further includes a conveying mechanism 130. The conveying mechanism 130 is used to convey the solar cell 200. The conveying path of the conveying mechanism 130 extends in the correction chamber and passes through the battery accommodation cavity 111. The conveying mechanism 130 is used to convey the solar cell 200 to be corrected into the battery accommodation cavity 111 for correcting the solar cell 200. The conveying mechanism 130 can also be used to transport the corrected solar cell 200 out of the battery accommodation cavity 111 for subsequent production processes. The setting of the conveying mechanism 130 can effectively improve the correction efficiency of the solar cell 200.
[0033] It can be understood that Figure 1 As shown, the partial structure of the correction box body 100 is made transparent to facilitate showing the correction mold 110, the pressing and shaping mechanism 120, and the conveying mechanism 130 located therein.
[0034] Referring to Figure 1 As shown, as some examples of this embodiment, the conveying mechanism 130 is a conveying track. It can be understood that the extending direction of the conveying track forms its conveying path. Therefore, the conveying track can be arranged to pass through the battery accommodation cavity 111 so that the conveying path of the conveying mechanism 130 passes through the battery accommodation cavity 111. In other embodiments, the conveying mechanism 130 can also be an appliance such as a manipulator that can convey the solar cell 200. However, using a conveying track can not only simplify the specific structure of the solar cell correction box but also provide a high conveying efficiency.
[0035] Figure 2 For Figure 1 a schematic structural view of the correction mold 110 in Figure 1 and Figure 2As shown, as some examples of this embodiment, the correction mold 110 is provided with opposite battery inlets 112 and battery outlets 113, and the conveying track passes through the battery inlet 112 and the battery outlet 113. For example, the correction mold 110 may have a front wall and a rear wall arranged opposite to each other. The battery inlet 112 may be opened on the front wall, the battery outlet 113 may be opened on the rear wall, the battery accommodation cavity 111 is located between the battery inlet 112 and the battery outlet 113, and the battery accommodation cavity 111 communicates with the battery inlet 112 and the battery outlet 113.
[0036] Referring to Figure 1 As shown, as some examples of this embodiment, there are multiple conveying mechanisms 130, and there are also multiple corresponding correction molds 110. Each correction mold 110 corresponds to at least one conveying mechanism 130. The conveying path of the conveying mechanism 130 passes through the battery accommodation cavity 111 in the corresponding correction mold 110. By providing multiple conveying mechanisms 130 and correspondingly providing multiple correction molds 110, multiple solar cells 200 can be corrected simultaneously, thereby improving the production efficiency of the solar cell correction box.
[0037] Referring to Figure 1 and Figure 2 As shown, as some examples of this embodiment, the top end of the correction mold 110 has a pressing opening 114 communicating with the battery accommodation cavity 111. The pressing and shaping mechanism 120 is used to apply pressure to the solar cell 200 from the pressing opening 114. By applying pressure to the solar cell 200 through the pressing opening 114 at the top end, the pressure received by the solar cell 200 can be made more uniform, thereby reducing the stress concentration during the pressing process of the solar cell 200 and ensuring the quality of the solar cell 200 during the shaping process.
[0038] Figure 3 is Figure 1 a schematic structural diagram of the pressing and shaping mechanism 120 in Figures 1 to 3 As shown, as some examples of this embodiment, the pressing and shaping mechanism 120 includes a shaping member 121. The shaping member 121 has a flat pressing surface, and the shaping member 121 can move to make the pressing surface extend into the pressing opening 114.
[0039] In this example, the edge range of the pressing surface may coincide with the edge range of the pressing opening 114, or the edge range of the pressing surface may be located within the edge range of the pressing opening 114 to maximize the area of the pressing surface as much as possible.
[0040] In this example, the edge range of the pressing opening 114 may be smaller than the cross-sectional edge range of the battery accommodation cavity 111.
[0041] In this example, corresponding to the shape of the solar cell 200, the pressing surface can be rectangular, the pressing opening 114 can also be rectangular, and the cross-section of the battery accommodating cavity 111 can also be rectangular.
[0042] Referring to Figure 3 As shown, as some examples of this embodiment, the pressing and shaping mechanism 120 further includes a telescopic driving member 122. The telescopic driving member 122 is connected to the shaping member 121. The telescopic driving member 122 can perform telescopic actions to drive the shaping member 121 to move. It can be understood that the telescopic driving member 122 is connected to the shaping member 121. When the telescopic driving member 122 performs an extending action,
[0043] In this example, the telescopic driving member 122 can be a driving cylinder or a driving motor.
[0044] As some examples of this embodiment, the heating mechanism can heat the solar cell 200 to 200°C to 300°C. The base material of the solar cell 200 mostly includes silicon, and silicon has certain thermoplasticity when it is above 200°C. Setting the heating temperature of the heating mechanism at 200°C to 300°C can ensure that the solar cell 200 is shaped and corrected when being pressed. The heating temperature should not be too high, for example, higher than 300°C, to avoid the negative impact of too high a temperature on the efficiency of the solar cell 200.
[0045] It can be understood that Figure 1 the specific installation position of the heating mechanism is not shown in the figure. The specific position of the heating mechanism can be set according to actual needs as long as it can heat the solar cell 200 located in the correction chamber. For example, the heating mechanism can be set on the correction box 100 to heat the entire correction box 100, thereby realizing the heating of the solar cell 200. Another example is that the heating mechanism can be set in the correction chamber to heat devices such as the correction mold 110, the conveying mechanism 130, and the pressing and shaping mechanism 120 located in the correction chamber, thereby realizing the heating of the solar cell 200.
[0046] As some examples of this embodiment, the heating mechanism can be heated by one or more of heat convection, electric heating, and radiation heating. For example, the heating mechanism can include one or more of electric heating wires, electric heating plates, electric heating fans, and infrared lamps.
[0047] Figure 4 For Figure 1 shown is a schematic structural diagram of shaping the solar cell 200 using the solar cell correction box. Referring to Figure 4As shown, the solar cell 200 to be corrected is located in the correction chamber and is disposed on the transfer track. First, a heating mechanism can be used to heat the solar cell 200 to a temperature above 200°C. Then, through the transportation of the transfer track, the solar cell 200 enters the battery accommodation cavity 111 of the correction mold 110. At this time, the telescopic driving member 122 of the pressure molding mechanism 120 can be controlled to extend, so as to drive the molding member 121 to move downward into the battery accommodation cavity 111 and apply pressure to the solar cell 200. The bent solar cell 200 undergoes plastic deformation when pressed after heating, and thus is corrected to a flat solar cell 200. After the molding is completed, the flat solar cell 200 is sent out by the transfer track and then conveyed to subsequent production processes.
[0048] Furthermore, the present disclosure also provides a solar cell 200 production device, which includes a curing furnace and a solar cell correction box as described in the above embodiment. The solar cell correction box is arranged after the curing furnace in the production process.
[0049] Among them, in this embodiment, the curing furnace can be used to cure the electrode paste in the solar cell 200. In the production process, after the electrode paste in the solar cell 200 is cured, the grid line electrodes of the solar cell 200 can be formed. Then, the solar cell 200 can be removed from the curing furnace, and the solar cell 200 that needs to be corrected can be transferred to the solar cell correction box for correction processing. The corrected solar cell 200 can undergo subsequent testing and assembly processes like a normal solar cell 200.
[0050] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity in description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as within the scope described in this specification.
[0051] The above embodiments only represent several implementation manners of the present utility model. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several deformations and improvements can still be made, and these all belong to the protection scope of the present utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.
Claims
1. A solar cell correction box, characterized in that, Comprising: A correction box body (100), the interior of the correction box body (100) having a correction chamber; A correction mold (110), the correction mold (110) being disposed in the correction chamber, and a battery accommodation cavity (111) adapted to the solar cell (200) to be corrected being provided in the correction mold (110); A heating mechanism for heating the solar cell (200); and, A pressure application and shaping mechanism (120) for applying pressure to the solar cell (200) to flatten the solar cell (200).
2. The solar cell correction box according to claim 1, wherein The solar cell correction box further includes a conveying mechanism (130) for conveying the solar cell (200), and the conveying path of the conveying mechanism (130) extends in the correction chamber and passes through the battery accommodation cavity (111).
3. The solar cell correction box according to claim 2, characterized in that, The conveying mechanism (130) includes a conveying track, and the extending direction of the conveying track forms its conveying path.
4. The solar cell correction box according to claim 3, wherein, A battery inlet (112) and a battery outlet (113) are provided in the correction mold (110), and the conveying track passes through the battery inlet (112) and the battery outlet (113).
5. The solar cell correction box according to claim 4, characterized in that, There are multiple conveying mechanisms (130), and there are also multiple correction molds (110). Each correction mold (110) corresponds to at least one conveying mechanism (130), and the conveying path of each conveying mechanism (130) passes through the battery accommodation cavity (111) in the corresponding correction mold (110).
6. The solar cell correction box according to any one of claims 1 to 5, characterized in that, The top end of the correction mold (110) has a pressure application opening (114) communicating with the battery accommodation cavity (111), and the pressure application and shaping mechanism (120) is used to apply pressure to the solar cell (200) from the pressure application opening (114).
7. The solar cell correction box according to claim 6, wherein The pressure application and shaping mechanism (120) includes a shaping member (121), the shaping member (121) having a flat pressure application surface, and the shaping member (121) can move to enable the pressure application surface to extend into the pressure application opening (114).
8. The solar cell correction box according to claim 7, wherein The pressure application and shaping mechanism (120) further includes a telescopic driving member (122), the telescopic driving member (122) being connected to the shaping member (121), and the telescopic driving member (122) can perform telescopic actions to drive the shaping member (121) to move.
9. The solar cell correction box according to any one of claims 1 to 5 and 7 to 8, characterized in that, The heating mechanism can heat the solar cell (200) to 200°C to 300°C.
10. A solar cell production device, characterized in that, Comprising a curing furnace and the solar cell correction box according to any one of claims 1 to 9, and the solar cell correction box is arranged after the curing furnace in the production process.