Frame and photovoltaic module

Abstract

The invention discloses a frame and a photovoltaic module. The frame comprises a frame body and a core body. The frame body comprises a first frame body, a second frame body and a third frame body, the third frame body and the first frame body are distributed in the height direction of the frame, and the second frame body is located between the first frame body and the third frame body. The core body comprises a first core body, a second core body and a third core body, and the first core body, the second core body and the third core body are located in cavities of the first frame body, the second frame body and the third frame body respectively. Cavities of the first frame body, the second frame body and the third frame body communicate with one another, the two ends of the second core body are connected with the first core body and the third core body correspondingly, so that the structural strength of the frame bodies is improved, the bearing capacity of the frame is improved, and the thickness of the joint of the first core body and the second core body is larger than that of the end of the first core body in the height direction of the frame. And the thickness of the joint of the third core body and the second core body is greater than that of the end part of the third core body, so that the structural stability of the core bodies is improved, and the production cost of the frame is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of solar cells, and in particular to a frame and a photovoltaic module. Background Art

[0002] Currently, the frames of photovoltaic modules are usually made of aluminum or steel. Among them, the strength of aluminum frames is relatively low and the production cost is relatively high. Although steel frames have higher strength, due to the low friction coefficient of steel, steel frames are prone to relative movement during stacking with photovoltaic modules, thereby affecting the assembly efficiency and the installation reliability of photovoltaic modules. Summary of the invention

[0003] In view of this, the present application provides a frame and a photovoltaic module to solve the technical problems in the prior art that the frame structure has low strength and is inconvenient to assemble.

[0004] The present application provides a frame, the frame comprising a frame body and a core body. The frame body comprises a first frame body, a second frame body and a third frame body, the third frame body and the first frame body are distributed along the height direction of the frame, and the second frame body is located between the first frame body and the third frame body; the core body comprises a first core body, a second core body and a third core body, and the first core body, the second core body and the third core body are respectively located in the cavities of the first frame body, the second frame body and the third frame body.

[0005] Among them, the cavities of the first frame body, the second frame body and the third frame body are connected to each other, the two ends of the second core body are respectively connected to the first core body and the third core body, and along the height direction of the frame, the thickness of the connection between the first core body and the second core body is greater than the thickness of the end of the first core body, and the thickness of the connection between the third core body and the second core body is greater than the thickness of the end of the third core body.

[0006] In the embodiment of the present application, by arranging a connected first core, a second core and a third core in the cavities of the first frame, the second frame and the third frame, the structural strength of the frame can be improved, thereby improving the bearing capacity of the frame. By setting the thickness of the connection between the first core and the second core to be greater than the thickness of the end of the first core, and the thickness of the connection between the third core and the second core to be greater than the thickness of the end of the third core, the structural stability of the core can be improved and the input of core production materials can be reduced, thereby ensuring that the frame has a strong bearing capacity while reducing the production cost of the frame.

[0007] In a possible embodiment, the first core body is provided with a first connecting portion, and the third core body is provided with a second connecting portion. Along the height direction of the frame, one end of the second core body is connected to the first core body through the first connecting portion, and the other end of the second core body is connected to the third core body through the second connecting portion; along the direction from the end of the first core body toward the first connecting portion, the thickness of the first core body gradually increases, and / or, along the direction from the end of the third core body toward the second connecting portion, the thickness of the third core body gradually increases.

[0008] In a possible implementation, along the width direction of the frame, the size of the first core is L1, the size of the first frame is D1, and L1 and D1 satisfy 0.3≤L1 / D1≤1; the size of the third core is L2, the size of the third frame is D2, and L2 and D2 satisfy 0.4≤L2 / D2≤1.

[0009] In a possible embodiment, the frame also includes a fourth frame, and the fourth frame and the second frame are distributed along the width direction of the frame, and along the height direction of the frame, one end of the fourth frame is connected to the first frame, and the other end of the fourth frame is connected to the third frame, so that the first frame, the second frame, the third frame and the fourth frame can enclose a cavity, and the side walls of the cavity are provided with reinforcing ribs.

[0010] In a possible implementation, the reinforcing rib includes a first reinforcing rib, and along a height direction of the frame, the first reinforcing rib is arranged on a side of the first frame body and / or the third frame body facing the cavity.

[0011] In a possible embodiment, the reinforcing rib also includes a second reinforcing rib, which is arranged on the first core and / or the third core along the height direction of the frame, and the second reinforcing rib overlaps with the projection of the first reinforcing rib along the height direction of the frame.

[0012] In a possible embodiment, the frame further includes a fifth frame and a sixth frame, the fifth frame and the second frame are distributed along the width direction of the frame, and along the height direction of the frame, the sixth frame is located on the side of the first frame away from the third frame, one end of the fifth frame is connected to the first frame, and the other end of the fifth frame is connected to the sixth frame, so that the first frame, the fifth frame and the sixth frame can enclose a clamping portion, and the clamping portion has a clamping space.

[0013] In a possible implementation, along the height direction and the width direction of the frame, the thickness of the core is h, the thickness of the frame is H, and h and H satisfy the following relationship:

[0014] h=H / 2±0.1

[0015] The present application also provides a photovoltaic component, which includes a frame and a laminate, wherein the frame is any of the frames described above; wherein the frame has a clamping space, and at least a portion of the laminate is located in the clamping space.

[0016] In the embodiment of the present application, the clamping part composed of the first frame, the fifth frame and the sixth frame can provide a clamping force to the laminate to limit the movement of the laminate along the height direction and the width direction of the frame, and the supporting part composed of the second frame, the third frame and the fourth frame can support the first frame to improve the stability of the laminate. The laminate and the clamping part can be fixed by bonding with a structural adhesive to further reduce the possibility of the laminate moving relative to the frame and improve the stability and reliability of the connection between the two.

[0017] In a possible implementation, the frame includes a frame and a plurality of cores, the frame extends along the length direction of the photovoltaic component, and the plurality of cores are spaced apart and distributed along the length direction of the photovoltaic component.

[0018] It should be understood that the foregoing general description and the following detailed description are exemplary only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 is a schematic structural diagram of a photovoltaic assembly provided in the present application in a specific embodiment;

[0021] Figure 2 is a schematic structural diagram of the frame provided in the present application in a first specific embodiment;

[0022] Figure 3 is a schematic structural diagram of the frame provided in the present application in a second specific embodiment;

[0023] Figure 4 yes Figure 3 A magnified view of the local area I;

[0024] Figure 5 yes Figure 3 Enlarged view of local area II.

[0025] Description of reference numerals:

[0026] 1-Border;

[0027] 11-frame;

[0028] 111- first frame;

[0029] 112- second frame;

[0030] 113- third frame;

[0031] 114- fourth frame;

[0032] 115- fifth frame;

[0033] 116-sixth frame;

[0034] 12-core;

[0035] 121- first core;

[0036] 121a-first connecting portion;

[0037] 122- second core;

[0038] 123- third core;

[0039] 123a- second connection portion;

[0040] 124- fourth core;

[0041] 125- fifth core;

[0042] 13- cavity;

[0043] 131-Reinforcement ribs;

[0044] 131a- first reinforcement rib;

[0045] 131b- second reinforcement rib;

[0046] 14- supporting part;

[0047] 15- clamping part;

[0048] 151-clamping space;

[0049] 2-Lamination.

[0050] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application. DETAILED DESCRIPTION

[0051] In order to better understand the technical solution of the present application, the embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0052] It should be clear that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0053] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present application. The singular forms "a", "said" and "the" used in the embodiments of the present application and the appended claims are also intended to include plural forms, unless the context clearly indicates other meanings.

[0054] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0055] The embodiment of the present application provides a frame for a photovoltaic module, such as Figure 1 and Figure 2 As shown, the photovoltaic module includes a frame 1 and a laminate 2 , and the frame 1 includes a frame body 11 and a core body 12 .

[0056] The frame 11 includes a first frame 111 , a second frame 112 and a third frame 113 . The third frame 113 and the first frame 111 are distributed along the height direction of the frame 1 . The second frame 112 is located between the first frame 111 and the third frame 113 .

[0057] The core 12 includes a first core 121 , a second core 122 and a third core 123 . The first core 121 , the second core 122 and the third core 123 are respectively located in the cavities of the first frame 111 , the second frame 112 and the third frame 113 .

[0058] Among them, the cavities of the first frame 111, the second frame 112 and the third frame 113 are interconnected, the two ends of the second core 122 are respectively connected to the first core 121 and the third core 123, and along the height direction of the frame 1, the thickness of the connection between the first core 121 and the second core 122 is greater than the thickness of the end of the first core 121, and the thickness of the connection between the third core 123 and the second core 122 is greater than the thickness of the end of the third core 123.

[0059] In the embodiment of the present application, at least part of the frame 11 of the frame 1 has a cavity. By arranging the core 12 in the cavity of the frame 11, the structural strength of the frame 11 can be strengthened to reduce the possibility of deformation of the frame 11 when bearing the laminate 2, which is beneficial to improving the bearing capacity of the frame 1.

[0060] Specifically, the cavities of the first frame 111, the second frame 112 and the third frame 113 are interconnected, and the two ends of the second core 122 are connected to the first core 121 and the third core 123 respectively, so that the first core 121, the second core 122 and the third core 123 can form an I-shaped structure. The core 12 of the I-shaped structure can make the frame 11 have higher compression resistance and bending resistance, so as to better withstand pressure and shear force when carrying the laminate 2, which is conducive to improving the structural stability of the frame 1. Along the height direction of the frame 1, the I-shaped structure also makes the cross-sectional area of ​​the core 12 smaller, which can save the input amount of materials for producing the core 12 while improving the bearing capacity of the frame 11, which is conducive to reducing the production cost of the frame 1. At the same time, the core 12 of the I-shaped structure has the characteristics of simple structure and easy processing, which is conducive to shortening the production cycle of the core 12 and improving production efficiency.

[0061] More specifically, the first frame 111 is used to carry the laminate 2, and the third frame 113 is used to fix the installation platform. When the frame 11 carries the laminate 2, the laminate 2 applies pressure to the first frame 111, and the force on the first frame 111 can be transmitted to the connection between the first frame 111 and the second frame 112, and then transmitted to the connection between the second frame 112 and the third frame 113 through the second frame 112, and finally transmitted to the installation platform through the third frame 113. Among them, along the height direction of the frame 1, the thickness of the connection between the first core 121 and the second core 122 is greater than the thickness of the end of the first core 121, and the thickness of the connection between the third core 123 and the second core 122 is greater than the thickness of the end of the third core 123. Through such a design method, the reliability of the connection between the first core 121 and the second core 122, and the third core 123 and the second core 122 can be improved, so as to further improve the structural stability of the core 12, and can also improve the structural strength of each connection, which is conducive to further strengthening the bearing capacity of the frame 1.

[0062] Therefore, in this embodiment, by arranging the connected first core 121, second core 122 and third core 123 in the cavities of the first frame 111, the second frame 112 and the third frame 113, the structural strength of the frame 11 can be improved, thereby improving the bearing capacity of the frame 1, and by arranging the thickness of the connection between the first core 121 and the second core 122 to be greater than the thickness of the end of the first core 121, and the thickness of the connection between the third core 123 and the second core 122 to be greater than the thickness of the end of the third core 123, the structural stability of the core 12 can be improved, and the input amount of materials for producing the core 12 can be reduced, thereby ensuring that the frame 11 has a strong bearing capacity while reducing the production cost of the frame 1.

[0063] In a specific embodiment, Figure 1 , Figure 4 and Figure 5 As shown, the first core 121 is provided with a first connecting portion 121a, and the third core 123 is provided with a second connecting portion 123a. Along the height direction of the frame 1, one end of the second core 122 is connected to the first core 121 through the first connecting portion 121a, and the other end of the second core 122 is connected to the third core 123 through the second connecting portion 123a.

[0064] In the embodiment of the present application, by setting the thickness of the first connecting portion 121a to be greater than the thickness of the end of the first core 121, and the thickness of the second connecting portion 123a to be greater than the thickness of the end of the third core 123, the structural strength and connection reliability of the connection between the first core 121 and the second core 122 and the connection between the third core 123 and the second core 122 can be improved, so that when the frame 11 is subjected to pressure and bending force, the thicker first connecting portion 121a and the second connecting portion 123a can reduce the possibility of breakage or bending deformation of the first frame 111 and the third frame 113, thereby making the frame 11 have a stronger load-bearing capacity.

[0065] Among them, the thickness of the first core 121 gradually increases along the direction from the end of the first core 121 toward the first connecting portion 121a, and / or the thickness of the third core 123 gradually increases along the direction from the end of the third core 123 toward the second connecting portion 123a. Through such a design method, while ensuring that the frame 11 has a strong bearing capacity, it is possible to simplify the production process of the core 12, improve the production efficiency of the core 12, and reduce the weight of the core 12 to meet the purpose of lightweighting the frame 1 and better meet actual usage requirements.

[0066] In a possible embodiment, along the height direction of the frame 1, the first connecting portion 121a and / or the second connecting portion 123a are chamfered on one side facing the second core 122 to avoid stress concentration at the connection between the first core 121 and the second core 122 and / or the connection between the third core 123 and the second core 122 when the frame 11 is carrying the laminate 2, thereby reducing the possibility of breakage of the first connecting portion 121a and / or the second connecting portion 123a, which is beneficial to further improve the structural strength and stability of the core 12 and improve the reliability of the frame 1 during operation.

[0067] In a specific embodiment, Figure 2 As shown, along the width direction of the frame 1, the size of the first core 121 is L1, the size of the first frame 111 is D1, and L1 and D1 satisfy 0.3≤L1 / D1≤1, wherein L1 / D1 can specifically be 0.3, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1, etc.

[0068] When L1 / D1 is too small (for example, L1 / D1 is less than 0.3), the proportion of the first core 121 in the first frame 111 is too small. In the process of the frame 11 carrying the laminate 2, the first core 121 cannot effectively reinforce the first frame 111, resulting in the risk of breakage or bending deformation in the area of ​​the first frame 111 where the first core 121 is not provided.

[0069] Therefore, when L1 / D1 satisfies 0.3≤L1 / D1≤1, during the process of the frame 11 carrying the laminate 2, the first core 121 can strengthen the structural strength of the first frame 111, which is beneficial to extend the service life of the frame 11 and improve the stability of the frame 1 when carrying the laminate 2.

[0070] In a specific embodiment, Figure 2 As shown, along the width direction of the frame 1, the size of the third core 123 is L2, the size of the third frame 113 is D2, and L2 and D2 satisfy 0.4≤L2 / D2≤1, wherein L2 / D2 can specifically be 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1, etc.

[0071] When L2 / D2 is too small (for example, L2 / D2 is less than 0.4), the proportion of the third core 123 in the third frame 113 is too small. In the process of the frame 11 carrying the laminate 2, the force transmitted to the installation platform through the third core 123 is more concentrated, resulting in the risk of cracking in the area of ​​the third frame 113 where the third core 123 is arranged.

[0072] Therefore, when L2 / D2 satisfies 0.4≤L2 / D2≤1, in the process of the frame 11 carrying the laminate 2, the third core 123 can not only strengthen the structural strength of the third frame 113, but also disperse the force transmitted to the third core 123 over a larger range, which is beneficial to improve the pressure-bearing capacity of the frame 1 and improve the reliability of the frame 1 during operation.

[0073] In a specific embodiment, Figure 2 As shown, the frame 11 also includes a fourth frame 114, and the fourth frame 114 and the second frame 112 are distributed along the width direction of the frame 1, and along the height direction of the frame 1, one end of the fourth frame 114 is connected to the first frame 111, and the other end of the fourth frame 114 is connected to the third frame 113, so that the first frame 111, the second frame 112, the third frame 113 and the fourth frame 114 can enclose a cavity 13, and the side wall of the cavity 13 is provided with a reinforcing rib 131.

[0074] In the embodiment of the present application, the second frame 112, the third frame 113 and the fourth frame 114 can form a support portion 14 for supporting the first frame 111, so as to reduce the possibility of shaking of the first frame 111 when carrying the laminate 2, and improve the stability of the first frame 111, and the first frame 111, the second frame 112, the third frame 113 and the fourth frame 114 can also form a cavity 13, so as to further reduce the weight of the frame 1 and improve the assembly efficiency of the frame 1.

[0075] like Figure 3 As shown, along the height direction of the frame 1, one end of the fourth frame 114 is connected to the first frame 111, and the other end of the fourth frame 114 is connected to the third frame 113. The core 12 also includes a fourth core 124, which is located in the cavity of the fourth frame 114. One end of the fourth core 124 is connected to the first core 121, and the other end of the fourth core 124 is connected to the third core 123. By providing the fourth core 124, the structural strength of the fourth frame 114 can be strengthened, the possibility of bending and deformation of the fourth frame 114 under the action of external force can be reduced, and the structural stability of the fourth frame 114 can be improved, thereby further improving the supporting effect of the support part 14 on the first frame 111, so as to improve the stability of the laminate 2 when it is placed on the first frame 111.

[0076] like Figure 2As shown, the side wall of the cavity 13 is provided with a reinforcing rib 131, and along the height direction and the width direction of the frame 1, the reinforcing rib 131 can be provided at any one or more of the first frame body 111, the second frame body 112, the third frame body 113 and the fourth frame body 114, and can also be provided at the connection between the frames, so as to improve the overall structural strength of the frame body 11, which is conducive to extending the service life of the frame 1. Among them, the parameters such as the contour shape and size of adjacent reinforcing ribs 131 can be the same or different.

[0077] In a specific embodiment, Figure 4 and Figure 5 As shown, the reinforcing rib 131 includes a first reinforcing rib 131 a , and along the height direction of the frame 1 , the first reinforcing rib 131 a is disposed on a side of the first frame body 111 and / or the third frame body 113 facing the cavity 13 .

[0078] In the embodiment of the present application, by providing the first reinforcing rib 131a on the first frame body 111 and / or the third frame body 113, the possibility of the first frame body 111 and / or the third frame body 113 bending and deforming into the cavity 13 under the action of external force can be reduced, thereby improving the structural strength of the frame body 11 and extending the service life of the frame 1.

[0079] Specifically, a plurality of first reinforcing ribs 131a are provided on the first frame body 111 and / or the third frame body 113, and the plurality of first reinforcing ribs 131a are spaced apart along the width direction of the frame 1, and the first reinforcing ribs 131a can protrude toward the cavity 13 relative to the first frame body 111 and / or the third frame body 113, so that the first reinforcing ribs 131a and the first frame body 111 and / or the third frame body 113 are an integrated structure, so that the frame body 11 has a stronger structural strength, and at the same time, the production process of the frame body 11 is simplified, thereby improving the production efficiency of the frame body 11.

[0080] More specifically, when both the first frame 111 and the third frame 113 are provided with the first reinforcing rib 131 a , the first reinforcing rib 131 a of the first frame 111 and the first reinforcing rib 131 a of the third frame 113 may be aligned along the height direction of the frame 1 .

[0081] In other possible implementations, the first reinforcing rib 131a may also be disposed on the side of the second frame 112 and / or the fourth frame 114 facing the cavity 13, so as to reduce the possibility of the second frame 112 and / or the fourth frame 114 bending and deforming into the cavity 13 under the action of external force. The first reinforcing rib 131a may also be disposed at the connection between the first frame 111 and the second frame 112, and / or the connection between the first frame 111 and the fourth frame 114, and / or the connection between the third frame 113 and the second frame 112, and / or the connection between the third frame 113 and the fourth frame 114.

[0082] In a specific embodiment, Figure 4 and Figure 5 The reinforcing rib 131 also includes a second reinforcing rib 131b, which is arranged on the first core 121 and / or the third core 123 along the height direction of the frame 1, and the projection of the second reinforcing rib 131b and the first reinforcing rib 131a along the height direction of the frame 1 overlaps.

[0083] In the embodiment of the present application, by providing a second reinforcing rib 131b on the first core 121 and / or the third core 123, the possibility of the first core 121 and / or the third core 123 bending and deforming into the cavity 13 under the action of external force can be reduced, thereby improving the structural strength of the first core 121 and / or the third core 123 and extending the service life of the first core 121 and / or the third core 123.

[0084] Specifically, a plurality of second reinforcing ribs 131b are provided on the first core 121 and / or the third core 123, and the plurality of second reinforcing ribs 131b are spaced apart along the width direction of the frame 1, and the second reinforcing ribs 131b can be an integrated structure with the first core 121 and / or the third core 123 to improve the stability and reliability of the connection between the first core 121 and the second reinforcing ribs 131b, and between the third core 123 and the second reinforcing ribs 131b.

[0085] More specifically, when both the first core 121 and the third core 123 are provided with the second reinforcing rib 131 b , the second reinforcing rib 131 b of the first core 121 and the second reinforcing rib 131 b of the third core 123 may be aligned along the height direction of the frame 1 .

[0086] Among them, when the first frame 111 is provided with the first reinforcing rib 131a, the first core 121 is provided with the second reinforcing rib 131b, and the projection of the first reinforcing rib 131a of the first frame 111 and the second reinforcing rib 131b of the first core 121 along the height direction of the frame 1 overlap, and / or, when the third frame 113 is provided with the first reinforcing rib 131a, the third core 123 is provided with the second reinforcing rib 131b, and the projection of the first reinforcing rib 131a of the third frame 113 and the second reinforcing rib 131b of the third core 123 along the height direction of the frame 1 overlap. By arranging the second reinforcing rib 131b to overlap with the projection of the first reinforcing rib 131a along the height direction of the frame 1, the compression resistance and bending resistance of the frame 11 can be further improved, thereby further improving the stability of the frame 11 and improving the reliability of the frame 1 during operation.

[0087] In other possible embodiments, when the second frame body 112 is provided with a first reinforcing rib 131a, the second core body 122 is provided with a second reinforcing rib 131b, and the projection of the first reinforcing rib 131a of the second frame body 112 overlaps with the projection of the second reinforcing rib 131b of the second core body 122 along the width direction of the frame 1, and / or, when the fourth frame body 114 is provided with a first reinforcing rib 131a, the fourth core body 124 is provided with a second reinforcing rib 131b, and the projection of the first reinforcing rib 131a of the fourth frame body 114 overlaps with the projection of the second reinforcing rib 131b of the fourth core body 124 along the width direction of the frame 1.

[0088] In a possible implementation, Figure 2 and Figure 3 As shown, the frame 11 also includes a fifth frame 115 and a sixth frame 116. The fifth frame 115 and the second frame 112 are distributed along the width direction of the frame 1, and along the height direction of the frame 1, the sixth frame 116 is located on the side of the first frame 111 away from the third frame 113. One end of the fifth frame 115 is connected to the first frame 111, and the other end of the fifth frame 115 is connected to the sixth frame 116, so that the first frame 111, the fifth frame 115 and the sixth frame 116 can enclose a clamping portion 15, and the clamping portion 15 has a clamping space 151.

[0089] In the embodiment of the present application, the first frame 111, the fifth frame 115 and the sixth frame 116 can form a clamping portion 15. When the laminate 2 is placed on the first frame 111, at least a portion of the laminate 2 is located in the clamping space 151 of the clamping portion 15. The clamping portion 15 is used to clamp the laminate 2 along the height direction of the frame 1 to reduce the possibility of the laminate 2 moving along the height direction of the frame 1. At the same time, at least a portion of the laminate 2 located in the clamping space 151 can also abut against the fifth frame 115 to reduce the possibility of the laminate 2 moving along the width direction of the frame 1.

[0090] Therefore, in this embodiment, the clamping portion 15 surrounded by the first frame 111, the fifth frame 115 and the sixth frame 116 can limit the movement of the laminate 2 along the height and width directions of the frame 1, so as to reduce the possibility of the laminate 2 escaping from the clamping space 151 and improve the stability and reliability of the laminate 2 during operation.

[0091] like Figure 3As shown, along the height direction of the frame 1, one end of the fifth frame 115 is connected to the first frame 111 and the fourth frame 114, and the core 12 further includes a fifth core 125, which is located in the cavity of the fifth frame 115, and the fifth core 125 is connected to the first core 121 and the fourth core 124. By providing the fifth core 125, the structural strength of the fifth frame 115 can be strengthened, and the possibility of bending and deformation of the fifth frame 115 under the action of external force can be reduced, so as to improve the structural stability of the clamping part 15, improve the clamping effect of the clamping part 15 on the laminate 2, and further improve the stability and reliability of the laminate 2 during operation.

[0092] In a possible embodiment, the first frame 111, the second frame 112, the third frame 113, the fourth frame 114, the fifth frame 115 and the sixth frame 116 can be an integrally molded structure, and / or the first core 121, the second core 122, the third core 123, the fourth core 124 and the fifth core 125 can be an integrally molded structure to simplify the production process of the frame 11 and / or the core 12 and improve the stability and completion of the structure.

[0093] In a possible embodiment, along the width direction of the frame 1, the sixth frame 116 includes a first end (not marked in the figure) and a second end (not marked in the figure) arranged opposite to each other. The first end of the sixth frame 116 is connected to the fifth frame 115, the second end of the sixth frame 116 is in contact with the laminate 2, and the second end of the sixth frame 116 is aligned with the second frame 112 in the height direction along the frame 1, that is, the second end is aligned with the first connection portion 121a and the second connection portion 123a in the height direction along the frame 1. Through such a design, the pressure applied by the sixth frame 116 to the laminate 2 can be directed to the thickest area of ​​the first core 121 and the third core 123, which is conducive to improving the overall structural strength of the frame 1 and reducing the possibility of deformation of the frame 1 when the laminate 2 is pulled up or pressed down, thereby helping to improve the anti-trampling and wind-lifting resistance of the frame 1 and the photovoltaic module.

[0094] In a possible implementation, along the width direction of the frame 1, one end of the sixth frame 116 is connected to the fifth frame 115, the core 12 further includes a sixth core (not shown in the figure), the sixth core is located in the cavity of the sixth frame 116, and the sixth core is connected to one end of the fifth core 125 away from the first core 121 and the fourth core 124. The sixth core can be provided to strengthen the structural strength of the sixth frame 116, so as to further improve the structural stability and wind resistance of the clamping portion 15, which is conducive to further improving the clamping effect of the clamping portion 15 on the laminate 2.

[0095] In a specific embodiment, along the height direction and the width direction of the frame 1, the thickness of the core 12 is h, the thickness of the frame 11 is H, and h and H satisfy the following relationship:

[0096] h=H / 2±0.1

[0097] In the embodiment of the present application, the core body 12 is arranged in the cavity of the frame body 11. When the thickness of the core body 12 and the thickness of the frame body 11 satisfy the above-mentioned relationship, the distance between the core body 12 and the outer surface of the frame body 11 is moderate, which can avoid the risk of the frame body 11 being too thick due to the distance between the core body 12 and the outer surface of the frame body 11 being too large, which is beneficial to reducing the production cost of the frame body 11. It can also avoid the risk of the frame body 11 being too thin due to the distance between the core body 12 and the outer surface of the frame body 11 being too small, thereby reducing the possibility of the core body 12 being exposed due to damage to the frame body 11, which is beneficial to reducing the possibility of damage to the core body 12 and increasing the service life of the core body 12.

[0098] The thickness of the first frame 111 is H1, and H1 satisfies 1.3 mm≤H1≤1.4 mm. H1 may specifically be 1.3 mm, 1.31 mm, 1.32 mm, 1.33 mm, 1.34 mm, 1.35 mm, 1.36 mm, 1.37 mm, 1.38 mm, 1.39 mm, 1.4 mm, etc.

[0099] The thickness of the second frame 112 is H2, and H2 satisfies 1.2mm≤H2≤1.5mm. H2 can specifically be 1.2mm, 1.22mm, 1.24mm, 1.26mm, 1.28mm, 1.3mm, 1.32mm, 1.34mm, 1.36mm, 1.38mm, 1.4mm, 1.42mm, 1.44mm, 1.46mm, 1.48mm, 1.5mm, etc.

[0100] The thickness of the third frame 113 is H3, and H3 satisfies 1.5 mm≤H3≤1.7 mm. H3 can specifically be 1.5 mm, 1.52 mm, 1.54 mm, 1.56 mm, 1.58 mm, 1.6 mm, 1.62 mm, 1.64 mm, 1.66 mm, 1.68 mm, 1.7 mm, etc.

[0101] The thickness of the fourth frame 114 is H4, and H4 satisfies 1.2mm≤H4≤1.5mm. H4 can specifically be 1.2mm, 1.21mm, 1.23mm, 1.25mm, 1.27mm, 1.29mm, 1.31mm, 1.33mm, 1.35mm, 1.37mm, 1.39mm, 1.41mm, 1.43mm, 1.45mm, 1.47mm, 1.49mm, 1.5mm, etc.

[0102] The thickness of the fifth frame 115 is H5, and H5 satisfies 1.5 mm≤H5≤1.7 mm. H5 can specifically be 1.5 mm, 1.51 mm, 1.53 mm, 1.55 mm, 1.57 mm, 1.59 mm, 1.61 mm, 1.63 mm, 1.65 mm, 1.67 mm, 1.69 mm, 1.7 mm, etc.

[0103] In a possible embodiment, the material of the frame 11 can be aluminum, such as aluminum-magnesium alloy, and the material of the core 12 can be steel, such as galvanized aluminum-magnesium steel, so that the frame 1 has a strong load-bearing capacity while increasing the friction coefficient of the surface of the frame 1, reducing the possibility of sliding of the frame 1 when stacking, and in the process of filling the structural adhesive between the clamping portion 15 and the laminate 2, the possibility of the structural adhesive overflowing from the clamping space 151 can be reduced, which is beneficial to improving the overall aesthetics of the photovoltaic module.

[0104] The embodiment of the present application also provides a photovoltaic assembly, such as Figure 1 As shown, the photovoltaic assembly includes a frame 1 and a laminate 2 , the frame 1 is the frame 1 described above, and at least a portion of the laminate 2 is located in the clamping space 151 of the clamping portion 15 .

[0105] In the embodiment of the present application, the clamping part 15 composed of the first frame 111, the fifth frame 115 and the sixth frame 116 can provide a clamping force to the laminate 2 to limit the movement of the laminate 2 along the height direction and the width direction of the frame 1, and the supporting part 14 composed of the second frame 112, the third frame 113 and the fourth frame 114 can support the first frame 111 to improve the stability of the laminate 2. The laminate 2 and the clamping part 15 can be fixed by bonding with a structural adhesive to further reduce the possibility of the laminate 2 moving relative to the frame 1, and improve the stability and reliability of the connection between the two.

[0106] It should be noted that the material of the structural adhesive can be one-component silicone structural adhesive, two-component silicone structural adhesive, high-performance silicone structural adhesive, neutral transparent silicone structural adhesive, epoxy resin structural adhesive, polyurethane structural adhesive, acrylic structural adhesive, silicone rubber structural adhesive, and polyamide structural adhesive. The embodiments of the present application do not specifically limit the material of the structural adhesive.

[0107] The installation platform includes but is not limited to the ground, wall, roof, color steel tiles, etc. When the installation platform is the roof, photovoltaic modules can replace part of the tiles to increase the installation height of the photovoltaic modules, reduce the possibility of obstruction by adjacent buildings, and help extend the lighting time of the photovoltaic modules, thereby helping to improve the working stability and output power of the photovoltaic modules. When the color of the photovoltaic modules is similar or the same as that of the tiles, it can also improve the overall aesthetics of the building.

[0108] The types of laminate 2 include but are not limited to back contact cells (Back Contact, BC), passivated emitter rear cell (Passivated Emitter Rear Cell, PERC), heterojunction cell (Heterojunction with Intrinsic Thin-layer, HIT), tunnel oxide passivated contact cell (Tunnel Oxide Passivated Contact, TOPCon), perovskite cell (Perovskite Solar Cell, PSC), multi-busbar cell and busbarless cell. Different types can be selected according to actual needs. The embodiment of the present application does not specifically limit the type of laminate 2.

[0109] Among them, the laminate 2 can include multiple battery cells, and adjacent battery cells are electrically connected through conductive connectors (such as welding wires, welding strips or conductive glue), that is, one end of the conductive connector is electrically connected to the back electrode of one of the battery cells, and the other end of the conductive connector is electrically connected to the front electrode of another battery cell, so that a battery string is formed between adjacent battery cells, which is beneficial to reduce or eliminate the gap between two adjacent battery cells, increase the light-receiving area of ​​the laminate 2, and also help shorten the current transmission distance and reduce losses.

[0110] In a specific embodiment, the frame 1 includes a frame body 11 and a plurality of core bodies 12 . The frame body 12 extends along the length direction of the photovoltaic module, and the plurality of core bodies 12 are spaced apart and distributed along the length direction of the photovoltaic module.

[0111] In the embodiment of the present application, the frame 12 extending along the length direction of the photovoltaic module can wrap the edge of the laminate 2, which is conducive to improving the sealing of the laminate 2, thereby ensuring that the photovoltaic module has good working performance and extending the service life of the photovoltaic module. The multiple cores 12 are spaced apart along the length direction of the photovoltaic module, which can improve the bearing capacity of the frame 1 on the laminate 2 while reducing the production cost, which is more in line with actual use requirements.

[0112] The above describes in detail the structure, features and effects of the present application based on the embodiments shown in the drawings. The above is only a preferred embodiment of the present application, but the present application does not limit the scope of implementation to what is shown in the drawings. Any changes made in accordance with the concept of the present application, or modifications to equivalent embodiments with equivalent changes, which still do not exceed the spirit covered by the description and drawings, should be within the protection scope of the present application.

Claims

1. A frame, characterized in that: The frame (1) comprises: A frame (11), the frame (11) comprising a first frame (111), a second frame (112) and a third frame (113), the third frame (113) and the first frame (111) being distributed along a height direction of the frame (1), and the second frame (112) being located between the first frame (111) and the third frame (113); A core body (12), the core body (12) comprising a first core body (121), a second core body (122) and a third core body (123), the first core body (121), the second core body (122) and the third core body (123) being respectively located in cavities of the first frame body (111), the second frame body (112) and the third frame body (113); The cavities of the first frame (111), the second frame (112) and the third frame (113) are interconnected, and the two ends of the second core (122) are respectively connected to the first core (121) and the third core (123), and along the height direction of the frame (1), the thickness of the connection between the first core (121) and the second core (122) is greater than the thickness of the end of the first core (121), and the thickness of the connection between the third core (123) and the second core (122) is greater than the thickness of the end of the third core (123).

2. The frame according to claim 1, characterized in that: The first core (121) is provided with a first connecting portion (121a), and the third core (123) is provided with a second connecting portion (123a); along the height direction of the frame (1), one end of the second core (122) is connected to the first core (121) via the first connecting portion (121a), and the other end of the second core (122) is connected to the third core (123) via the second connecting portion (123a); The thickness of the first core (121) gradually increases along the direction from the end of the first core (121) toward the first connecting portion (121a), and / or the thickness of the third core (123) gradually increases along the direction from the end of the third core (123) toward the second connecting portion (123a).

3. The frame according to claim 1, characterized in that: Along the width direction of the frame (1), the size of the first core (121) is L1, the size of the first frame (111) is D1, and L1 and D1 satisfy 0.3≤L1 / D1≤1; the size of the third core (123) is L2, the size of the third frame (113) is D2, and L2 and D2 satisfy 0.4≤L2 / D2≤1.

4. The frame according to claim 1, characterized in that: The frame (11) further comprises a fourth frame (114), wherein the fourth frame (114) and the second frame (112) are distributed along the width direction of the frame (1), and along the height direction of the frame (1), one end of the fourth frame (114) is connected to the first frame (111), and the other end of the fourth frame (114) is connected to the third frame (113), so that the first frame (111), the second frame (112), the third frame (113) and the fourth frame (114) can enclose a cavity (13), and a side wall of the cavity (13) is provided with a reinforcing rib (131).

5. The frame according to claim 4, characterized in that: The reinforcing rib (131) comprises a first reinforcing rib (131a), and along the height direction of the frame (1), the first reinforcing rib (131a) is arranged on a side of the first frame body (111) and / or the third frame body (113) facing the cavity (13).

6. The frame according to claim 5, characterized in that: The reinforcing rib (131) further comprises a second reinforcing rib (131b), wherein the second reinforcing rib (131b) is arranged on the first core (121) and / or the third core (123) along the height direction of the frame (1), and the projection of the second reinforcing rib (131b) and the first reinforcing rib (131a) along the height direction of the frame (1) overlap.

7. The frame according to claim 1, characterized in that: The frame (11) further comprises a fifth frame (115) and a sixth frame (116); the fifth frame (115) and the second frame (112) are distributed along the width direction of the frame (1); and along the height direction of the frame (1), the sixth frame (116) is located on a side of the first frame (111) away from the third frame (113); one end of the fifth frame (115) is connected to the first frame (111), and the other end of the fifth frame (115) is connected to the sixth frame (116), so that the first frame (111), the fifth frame (115) and the sixth frame (116) can enclose a clamping portion (15); and the clamping portion (15) has a clamping space (151).

8. The frame according to any one of claims 1 to 7, characterized in that: Along the height direction and the width direction of the frame (1), the thickness of the core (12) is h, the thickness of the frame (11) is H, and h and H satisfy the following relationship: h=H / 2±0.

1.

9. A photovoltaic module, characterized in that: The photovoltaic module comprises: Laminate (2); A frame (1), wherein the frame (1) is the frame (1) according to any one of claims 1 to 8; Wherein, the frame (1) has a clamping space (151), and at least a portion of the laminate (2) is located in the clamping space (151).

10. The photovoltaic module according to claim 9, characterized in that: The frame (1) comprises a frame body (11) and a plurality of core bodies (12); the frame body (11) extends along the length direction of the photovoltaic component; and the plurality of core bodies (12) are distributed at intervals along the length direction of the photovoltaic component.

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