Light photovoltaic module, processing device and photovoltaic building

Abstract

The invention discloses a light photovoltaic module, a processing device and a photovoltaic building, and belongs to the field of solar cells. The light photovoltaic module comprises a frame, a battery piece and a corrugated metal plate, the battery piece is installed in the frame and provided with a light receiving face and a backlight face, the light receiving face and the backlight face are opposite in position, the corrugated metal plate is connected to the backlight face, and the corrugated metal plate is used for improving the strength of the battery piece. According to the embodiment of the invention, the frame can play a certain role in blocking the warping of the battery piece, and the corrugated metal plate is arranged on the backlight surface of the battery piece, so that the strength of the battery piece can be improved, and the problem of warping of the battery piece is avoided.

Description

Technical Field

[0001] This application belongs to the field of solar cells, and particularly relates to a lightweight photovoltaic module, a processing device, and a photovoltaic building. Background Art

[0002] Solar energy has the advantages of being pollution-free, having no regional restrictions, and being inexhaustible. Solar photovoltaic power generation technology has become the main direction for the development and utilization of new energy. Among them, Building Integrated Photovoltaic (BIPV) is a new type of photovoltaic application that combines photovoltaic modules with buildings and is applied to the outer layers of buildings such as roofs, glass skylights, and walls, with broad market prospects. For lightweight photovoltaic modules in photovoltaic modules, due to their relatively soft texture and easy deformation, when installing lightweight photovoltaic modules on buildings, it is necessary to avoid the problem of warping of lightweight photovoltaic modules. In related technologies, for the warping of lightweight photovoltaic modules, a fluorine layer is usually provided on the light-receiving surface of the lightweight photovoltaic module, and the thickness range of the fluorine layer is 5 micrometers to 20 micrometers. However, in related technologies, lightweight photovoltaic modules are still relatively prone to warping. Summary of the Invention

[0003] The purpose of the embodiments of this application is to provide a lightweight photovoltaic module, a processing device, and a photovoltaic building, which at least solve the problem that lightweight photovoltaic modules are relatively prone to warping.

[0004] In a first aspect, the embodiments of this application provide a lightweight photovoltaic module, which includes: a frame, a battery cell, and a corrugated metal plate;

[0005] The battery cell is installed in the frame, and the battery cell has a light-receiving surface and a backlight surface, the light-receiving surface and the backlight surface are opposite in position, the corrugated metal plate is connected to the backlight surface, and the corrugated metal plate is used to increase the strength of the battery cell.

[0006] Optionally, the battery cell includes a first substrate layer, a first encapsulation layer, a battery layer, a second encapsulation layer, and a second substrate layer;

[0007] The first substrate layer, the first encapsulation layer, the battery layer, the second encapsulation layer, and the second substrate layer are sequentially stacked, and the first substrate layer is connected to the first encapsulation layer, the first encapsulation layer is connected to the battery layer, the battery layer is connected to the second encapsulation layer, and the second encapsulation layer is connected to the second substrate layer;

[0008] The surface of the first substrate layer facing away from the first encapsulation layer is the light-receiving surface, the surface of the second substrate layer facing away from the second encapsulation layer is the backlight surface, and the corrugated metal plate is connected to the surface of the second substrate layer facing away from the second encapsulation layer.

[0009] Optionally, the material of the first substrate layer includes a transparent plate and a fluorine film. The transparent plate has opposite first and second surfaces. The fluorine film is disposed on the first surface, and the second surface is connected to the second encapsulation layer.

[0010] Optionally, the thickness of the fluorine film ranges from 10 microns to 100 microns.

[0011] Optionally, the corrugated metal plate has opposite first and second surfaces, and a plurality of grooves are spaced apart in the direction from the first surface to the second surface on the first surface. The grooves protrude from the second surface, and the portion of the first surface without the grooves is connected to the backlight surface.

[0012] In a second aspect, an embodiment of the present application provides a processing device for processing the lightweight photovoltaic module according to any one of the first aspects. The processing device includes a suction table, a pressing component, and a framing component.

[0013] The pressing component is located above the suction table, and the framing component is located on one side of the pressing component. The suction table is used to adsorb the battery cell, the pressing component is used to press the battery cell until the battery cell is flat, and the framing component is used to transport the frame to the suction table and install the frame on the edge of the battery cell.

[0014] Optionally, the suction table has a suction surface, the suction surface has intersecting first and second directions, and a plurality of suction holes are respectively provided on the suction surface along the first direction and the second direction. The suction holes are used to adsorb the battery cell.

[0015] Optionally, the pressing component includes a base, a driving member, and a pressing member. The driving member is installed on the base, the pressing member is connected to the driving member, and the driving member is used to drive the pressing member to approach or move away from the suction table.

[0016] Optionally, the processing device further includes a handling structure and a glue spraying component.

[0017] The glue spraying component includes a manipulator and a plurality of glue spraying heads. The plurality of glue spraying heads are all connected to the manipulator. The manipulator is used to drive the glue spraying heads to move, and the glue spraying heads are used to bond glue.

[0018] The handling structure is used to transport the corrugated metal plate to the suction table. The glue spraying head is used to spray the bonding glue onto the corrugated metal plate, and the handling structure is further used to attach the corrugated metal plate sprayed with the bonding glue to the backlight surface of the battery cell on the suction table.

[0019] In a third aspect, an embodiment of the present application provides a photovoltaic building, and the photovoltaic building includes the lightweight photovoltaic module according to any one of the above first aspects.

[0020] In the embodiment of the present application, since the battery cells are installed in the frame, the frame can play a certain protective role for the battery cells and can also play a certain blocking role for the warping of the battery cells. Since the battery cells have a light-receiving surface and a backlight surface, and the light-receiving surface and the backlight surface are opposite in position, when the battery cells are placed in the sun, once the light-receiving surface is irradiated by the sun, the battery cells will convert solar energy into electrical energy. Since the corrugated metal plate is connected to the backlight surface, the corrugated metal plate will not affect the conversion of solar energy into electrical energy by the battery cells, and the corrugated metal plate can also increase the strength of the battery cells and prevent the battery cells from warping. That is to say, in the embodiment of the present application, by providing a frame, a certain blocking role can be played for the warping of the battery cells, and a corrugated metal plate is provided on the backlight surface of the battery cells, and the corrugated metal plate can increase the strength of the battery cells, thereby preventing the battery cells from warping. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram showing a battery cell provided by an embodiment of the present application;

[0022] Figure 2 A schematic diagram showing a corrugated metal plate provided by an embodiment of the present application;

[0023] Figure 3 A schematic diagram showing a first encapsulation layer provided by an embodiment of the present application;

[0024] Figure 4 A schematic diagram showing an adsorption table provided by an embodiment of the present application;

[0025] Figure 5 A schematic diagram showing a pressing assembly provided by an embodiment of the present application;

[0026] Figure 6 A partial schematic diagram showing a pressing assembly provided by an embodiment of the present application;

[0027] Figure 7 A schematic diagram showing a glue spraying head provided by an embodiment of the present application;

[0028] Figure 8 A schematic diagram showing a glue spraying assembly provided by an embodiment of the present application;

[0029] Figure 9 A schematic diagram showing one of the glue spraying on the corrugated metal plate provided by an embodiment of the present application;

[0030] Figure 10Schematic diagram II showing a method for applying glue to a corrugated metal plate provided by an embodiment of the present application;

[0031] Figure 11 Schematic diagram III showing a method for applying glue to a corrugated metal plate provided by an embodiment of the present application.

[0032] Reference numerals:

[0033] 20: solar cell; 21: first substrate layer; 22: first encapsulation layer; 23: cell layer; 24: second encapsulation layer; 25: second substrate layer; 201: light-receiving surface; 202: backlight surface; 211: transparent plate; 212: fluorine film; 30: corrugated metal plate; 31: first surface; 32: second surface; 33: groove; 100: adsorption table; 110: adsorption surface; 120: adsorption hole; 200: pressing assembly; 210: base; 220: driving member; 230: pressing member; 300: glue application assembly; 310: robot arm; 320: glue applicator head. Detailed implementation manners

[0034] The terms "first" and "second" in the description and claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present application, unless otherwise specified, the meaning of "a plurality" is two or more. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / " generally means an "or" relationship between the associated objects before and after.

[0035] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present application.

[0036] In the description of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "mounted", "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0037] AsFigures 1 to 3 As shown, the lightweight photovoltaic module includes: a frame (not shown in the figure), a battery cell 20, and a corrugated metal plate 30.

[0038] The battery cell 20 is installed in the frame, and the battery cell 20 has a light-receiving surface 201 and a backlight surface 202, with the light-receiving surface 201 and the backlight surface 202 being opposite in position. The corrugated metal plate 30 is connected to the backlight surface 202, and the corrugated metal plate 30 is used to increase the strength of the battery cell 20.

[0039] In the embodiment of the present application, since the battery cell 20 is installed in the frame, the frame can play a certain protective role for the battery cell 20 and can also play a certain blocking role for the warping of the battery cell 20. Since the battery cell 20 has a light-receiving surface 201 and a backlight surface 202, with the light-receiving surface 201 and the backlight surface 202 being opposite in position, when the battery cell 20 is placed in the sun, once the light-receiving surface 201 is irradiated by sunlight, the battery cell 20 will convert solar energy into electrical energy. Since the corrugated metal plate 30 is connected to the backlight surface 202, the corrugated metal plate 30 will not affect the conversion of solar energy into electrical energy by the battery cell 20, and the corrugated metal plate 30 can also increase the strength of the battery cell 20 and avoid the problem of warping of the battery cell 20. That is, in the embodiment of the present application, by setting the frame, a certain blocking role can be played for the warping of the battery cell 20, and by setting the corrugated metal plate 30 on the backlight surface 202 of the battery cell 20, the corrugated metal plate 30 can increase the strength of the battery cell 20, thereby avoiding the problem of warping of the battery cell 20.

[0040] It should be noted that an installation groove is provided on the inner wall of the frame, and the installation groove extends along the circumferential direction of the frame, so that the installation groove surrounds the frame for one week. When installing the battery cell 20 in the frame, an adhesive can be set in the installation groove, and then the edge of the battery cell 20 is embedded in the installation groove, and the edge of the battery cell 20 is fixed to the frame through the adhesive. At this time, the frame can have a certain tensile force on the battery cell 20, and to a certain extent, the problem of warping of the battery cell 20 can be reduced.

[0041] In addition, in the embodiment of the present application, the battery cell 20 can be a P-type battery cell. Of course, the battery cell 20 can also be of other types. For example, the battery cell 20 is an N-type battery cell, or for another example, the battery cell 20 is an IBC battery cell. The specific type of the battery cell 20 is not limited in the embodiment of the present application.

[0042] In addition, in the embodiment of the present application, the material of the frame can be a plastic material. Of course, the material of the frame can also be a light-transmitting material, and the material of the frame can also be a metal material. The specific material of the frame is not limited in the embodiment of the present application.

[0043] In addition, in some embodiments, the solar cell 20 may include a first substrate layer 21, a first encapsulation layer 22, a battery layer 23, a second encapsulation layer 24, and a second substrate layer 25. The first substrate layer 21, the first encapsulation layer 22, the battery layer 23, the second encapsulation layer 24, and the second substrate layer 25 are sequentially stacked, and the first substrate layer 21 is connected to the first encapsulation layer 22, the first encapsulation layer 22 is connected to the battery layer 23, the battery layer 23 is connected to the second encapsulation layer 24, and the second encapsulation layer 24 is connected to the second substrate layer 25. The surface of the first substrate layer 21 facing away from the first encapsulation layer 22 is the light-receiving surface 201, and the surface of the second substrate layer 25 facing away from the second encapsulation layer 24 is the backlight surface 202. The corrugated metal plate 30 is connected to the surface of the second substrate layer 25 facing away from the second encapsulation layer 24.

[0044] With such an arrangement, when the solar cell 20 is placed under light, once sunlight shines on the first substrate layer 21, the first substrate layer 21 can transmit the sunlight to the first encapsulation layer 22. The sunlight passes through the first encapsulation layer 22 and can shine on the battery layer 23, and the battery layer 23 can convert solar energy into electrical energy. And through the second encapsulation layer 24, the second substrate layer 25 can be provided, so that the second substrate layer 25 can protect the battery layer 23 and avoid the problem that the battery layer 23 is easily damaged. In addition, the corrugated metal plate 30 is connected to the surface of the second substrate layer 25 facing away from the second encapsulation layer 24, so that the corrugated metal plate 30 can increase the strength of the second substrate layer 25 and thus increase the strength of the solar cell 20. Moreover, the corrugated metal plate 30 is connected to the second substrate layer 25, and the corrugated metal plate 30 acts as a certain stretching effect on the second substrate layer 25, so that the problem that the solar cell 20 is easily warped can be avoided.

[0045] It should be noted that both the first encapsulation layer 22 and the second encapsulation layer 24 can be adhesive layers, and the adhesive layers can include but are not limited to POE, EVA, EPE, EP, PVB. In addition, in the embodiments of the present application, the second substrate layer 25 can include but is not limited to structures such as KPC, CPC, KPK, TPT, TPC, PO, PC, etc.

[0046] In addition, in the embodiments of the present application, the material of the corrugated metal plate 30 can be aluminum. Of course, the material of the corrugated metal plate 30 can also be other metal materials. For example, the material of the corrugated metal plate 30 is an aluminum alloy material. The specific material of the corrugated metal plate 30 is not limited in the embodiments of the present application. In addition, in the embodiments of the present application, the thickness range of the corrugated metal plate 30 can be from 0.05 mm to 0.3 mm. Among them, the thickness of the corrugated metal plate 30 can be any value from 0.05 mm to 0.3 mm. For example, the thickness of the corrugated metal plate 30 is 0.05 mm. For another example, the thickness of the corrugated metal plate 30 is 0.1 mm. For another example, the thickness of the corrugated metal plate 30 is 0.2 mm. For another example, the thickness of the corrugated metal plate 30 is 0.3 mm. The specific value of the thickness of the corrugated metal plate 30 is not limited in the embodiments of the present application.

[0047] In addition, in some embodiments, the material of the first substrate layer 21 includes a transparent plate 211 and a fluorine film 212. The transparent plate 211 has opposite first and second surfaces. The fluorine film 212 is provided on the first surface, and the second surface is connected to the second encapsulation layer 24.

[0048] Through such a setting, the fluorine film 212 can protect the transparent plate 211, avoiding the problem that the transparent plate 211 is easily corroded by gases, liquids or other items in the environment, resulting in the influence on the service life of the battery cell 20. In addition, the transparent plate 211 can ensure that after sunlight shines on the transparent plate 211, the sunlight will not be affected by the first substrate layer 21, and the sunlight can directly pass through the first substrate layer 21 and then shine on the battery layer 23, enabling the battery layer 23 to convert solar energy into electrical energy. That is, by setting the material of the first substrate layer 21 to include the transparent plate 211 and the fluorine film 212, on the one hand, it can protect the battery cell 20 and extend the service life of the battery cell 20. On the other hand, it is also beneficial for the battery cell 20 to convert solar energy into electrical energy.

[0049] In addition, in some embodiments, the thickness range of the fluorine film 212 is from 10 μm to 100 μm. Through such a setting, the thickness of the fluorine film 212 can be appropriate, enabling the fluorine film 212 to have a good protection effect, and the thickness of the fluorine film 212 is not too large to affect the thickness of the battery cell 20, and the thickness of the fluorine film 212 is not too small to result in a weak protection effect on the first substrate layer 21.

[0050] It should be noted that the thickness of the fluorine film 212 can be any value from 10 μm to 100 μm. For example, the thickness of the fluorine film 212 is 10 μm. For another example, the thickness of the fluorine film 212 is 30 μm. For another example, the thickness of the fluorine film 212 is 50 μm. For another example, the thickness of the fluorine film 212 is 80 μm. For another example, the thickness of the fluorine film 212 is 100 μm.

[0051] In addition, in some embodiments, the corrugated metal plate 30 has opposite first and second surfaces 31 and 32, and a plurality of grooves 33 are spaced apart on the first surface 31 in the direction from the first surface 31 to the second surface 32. The grooves 33 protrude from the second surface 32, and the portion of the first surface 31 without the grooves 33 is connected to the backlight surface 202.

[0052] With such an arrangement, when the corrugated metal sheet is connected to the backlight surface 202 of the battery cell 20, the portion of the first surface 31 of the corrugated metal sheet without the grooves 33 can be connected to the backlight surface 202, so that the corrugated metal sheet can exert a certain stretching effect on the battery cell 20, avoiding the problem that the battery cell 20 is prone to warping.

[0053] Among them, when the portion of the first surface 31 without the grooves 33 is connected to the backlight surface 202, the portion of the first surface 31 without the grooves 33 can be bonded to the backlight surface 202 by an adhesive. Moreover, an adhesive can also be provided in the grooves 33 so that the adhesive fills the grooves 33 and is bonded to the backlight surface 202, which is beneficial to the firm connection between the corrugated metal sheet and the backlight surface 202.

[0054] In addition, in the embodiments of the present application, the cross-sectional shape of the groove 33 includes at least one of a rectangle and a trapezoid. Among them, a plurality of grooves 33 can be arranged at intervals on the first surface 31, and the cross-section of the groove 33 is a surface parallel to the arrangement direction of the plurality of grooves 33.

[0055] In the embodiments of the present application, since the battery cell 20 is installed in the frame, the frame can play a certain protective role for the battery cell 20 and can also play a certain blocking role for the warping of the battery cell 20. Since the battery cell 20 has a light-receiving surface 201 and a backlight surface 202, and the light-receiving surface 201 and the backlight surface 202 are opposite in position, when the battery cell 20 is placed in the sun, once the light-receiving surface 201 is irradiated by sunlight, the battery cell 20 will convert solar energy into electrical energy. Since the corrugated metal plate 30 is connected to the backlight surface 202, the corrugated metal plate 30 will not affect the conversion of solar energy into electrical energy by the battery cell 20, and the corrugated metal plate 30 can also increase the strength of the battery cell 20 and avoid the problem of warping of the battery cell 20. That is to say, in the embodiments of the present application, by setting the frame, a certain blocking effect can be exerted on the warping of the battery cell 20, and by setting the corrugated metal plate 30 on the backlight surface 202 of the battery cell 20, the corrugated metal plate 30 can increase the strength of the battery cell 20, thereby avoiding the problem of warping of the battery cell 20.

[0056] The embodiments of the present application provide a processing device for processing the lightweight photovoltaic module in any one of the above embodiments, such as Figures 4 to 11As shown in the figure, the processing device includes a suction table 100, a pressing assembly 200, and a framing assembly (not shown in the figure).

[0057] The pressing assembly 200 is located above the suction table 100, and the framing assembly is located on one side of the pressing assembly 200. The suction table 100 is used to adsorb the battery cell 20, and the pressing assembly 200 is used to press the battery cell 20 until the battery cell 20 is flat. The framing assembly is used to transport the frame to the suction table 100 and install the frame on the edge of the battery cell 20.

[0058] In the embodiment of the present application, since the pressing assembly 200 is located above the suction table 100 and the framing assembly is located on one side of the pressing assembly 200, when processing a photovoltaic module is required, the battery cell 20 can be adsorbed by the suction table 100, and then the pressing assembly 200 can press the battery cell 20 to keep the battery cell 20 flat and avoid the problem of warping of the battery cell 20. Finally, the framing assembly transports the frame to the suction table 100, and the framing assembly can install the frame on the edge of the battery cell 20, that is, insert the frame on the edge of the battery cell 20 to connect the battery cell 20 and the frame.

[0059] It should be noted that the framing assembly can also spray adhesive in the mounting groove on the inner wall of the frame.

[0060] In addition, in some embodiments, the suction table 100 has a suction surface 110. The suction surface 110 has an intersecting first direction and a second direction. A plurality of suction holes 120 are respectively arranged on the suction surface 110 along the first direction and the second direction. The suction holes 120 are used to adsorb the battery cell 20.

[0061] Through such a setting, after the battery cell 20 is placed on the suction surface 110 of the suction table 100, the battery cell 20 can be adsorbed by a plurality of suction holes 120 in both the first direction and the second direction, so as to ensure that the battery cell 20 is adsorbed firmly and keep the battery cell 20 flat. That is, the surface of the battery cell 20 in contact with the suction surface 110 can be adsorbed by a plurality of suction holes 120 in two directions, so that the battery cell 20 can be kept flat.

[0062] It should be noted that a vacuum generator can be arranged in the suction table 100. The vacuum generator is communicated with a plurality of suction holes 120. When the suction surface 110 needs to adsorb the battery cell 20, the vacuum generator can operate to generate suction force for each suction hole 120, so that the battery cell 20 is adsorbed firmly and the battery cell 20 is kept flat.

[0063] In addition, in some embodiments, the pressing assembly 200 includes a base 210, a driving member 220, and a pressing member 230. The driving member 220 is installed on the base 210, and the pressing member 230 is connected to the driving member 220. The driving member 220 is used to drive the pressing member 230 to approach or move away from the adsorption table 100.

[0064] With such an arrangement, after the solar cell 20 is adsorbed by the adsorption table 100, the pressing assembly 200 can press the solar cell 20. Specifically, the driving member 220 can drive the pressing member 230 to move, that is, the driving member 220 drives the pressing member 230 to approach the adsorption table 100, so that the pressing member 230 contacts the solar cell 20 on the adsorption table 100. Thus, the driving member 220 can drive the pressing member 230 to move, so that the pressing member 230 presses the solar cell 20. After being pressed by the pressing member 230, the solar cell 20 can be flatter, avoiding warping of the solar cell 20. After the solar cell 20 is framed, the frame can apply a certain stretching force to the solar cell 20, so that the solar cell 20 continues to remain relatively flat, avoiding warping of the solar cell 20. After the pressing of the solar cell 20 is completed, the driving member 220 can drive the pressing member 230 to move away from the adsorption table 100.

[0065] It should be noted that, in the embodiments of the present application, the driving member 220 can be a component with a driving function such as a cylinder or a motor, and the pressing member 230 can be a pressing member 230 formed of materials such as silica gel or rubber, so as to avoid the problem of damage to the solar cell 20 after the pressing member 230 contacts the solar cell 20.

[0066] In addition, in some embodiments, the processing device further includes a handling structure and a glue spraying assembly 300. The glue spraying assembly 300 includes a manipulator 310 and a plurality of glue spraying heads 320. The plurality of glue spraying heads 320 are all connected to the manipulator 310. The manipulator 310 is used to drive the glue spraying heads 320 to move, and the glue spraying heads 320 are used to bond glue. The handling structure is used to transport the corrugated metal plate 30 to the adsorption table 100. The glue spraying heads 320 are used to spray the bonding glue onto the corrugated metal plate 30. The handling structure is further used to attach the corrugated metal plate 30 that has been sprayed with the bonding glue to the backlight surface 202 of the solar cell 20 on the adsorption table 100.

[0067] With such an arrangement, the handling structure can move the corrugated metal plate 30 to the adsorption table 100, and then the manipulator 310 can move, so that the plurality of glue spraying heads 320 spray glue on the corrugated metal plate 30, that is, spray the bonding glue on the surface of the corrugated metal plate 30 that is connected to the backlight surface 202. After the glue spraying is completed, the handling structure can move the corrugated metal plate 30, so that the corrugated metal plate 30 is attached to the backlight surface 202 of the solar cell 20 on the adsorption table 100, completing the processing of the photovoltaic module.

[0068] It should be noted that the backlight surface 202 of the solar cell 20 on the adsorption table 100 faces away from the adsorption surface 110 of the adsorption table 100, that is, the adsorption surface 110 adsorbs the light-receiving surface 201 of the solar cell 20.

[0069] In addition, in the embodiment of the present application, a plurality of glue spraying holes can be provided on the glue spraying head 320, and the glue spraying head 320 sprays the bonding glue through the glue spraying holes. In addition, the spacing and aperture of the glue spraying holes can be set so that after the bonding glue is sprayed out of the glue spraying holes, the bonding glue has a certain diameter and there is a gap between the bonding glues. For example, as Figure 7 shown, the diameter of the bonding glue can be made 2 mm, and the spacing between adjacent bonding glues is 16 mm.

[0070] For example, as Figure 8 shown, the corrugated metal plate 30 has a plurality of convex surfaces, and the surface between two adjacent grooves 33 is a convex surface, and this convex surface is bonded to the solar cell 20. The glue spraying operation is carried out by using a mobile robotic arm, and a plurality of glue spraying heads 320 work respectively. That is, 3 glue spraying heads 320 perform glue spraying. The X1 glue spraying head 320 is responsible for the 1# - 3# convex surfaces, the X2 glue spraying head 320 is responsible for the 4# - 6# convex surfaces, and the X3 glue spraying head 320 is responsible for the 7# - 10# convex surfaces. The spacing of the glue spraying heads 320 should be adjustable according to the product specifications. After the glue spraying of multiple convex surfaces is completed, the grooves 33 between the convex surfaces can also be filled with glue and made to be higher than the convex surfaces by a certain height, and it is necessary to spray glue on both ends of the corrugated metal plate 30. Therefore, the glue spraying at both ends needs to distinguish between the convex surfaces and the grooves 33 and perform glue spraying operations with different glue spraying amounts. Among them, as Figure 9 and Figure 10 shown, 2 glue spraying heads 320 are used for glue spraying at the front end and the rear end respectively. The rear-end glue spraying heads are X6 and X7, and the front-end glue spraying heads are X8 and X9, and they spray glue from one side to the opposite side. After X7 and X9 spray glue for a certain distance (at least one convex surface), X6 and X8 start to spray glue on the grooves 33. After the glue spraying of the grooves 33 is completed, as Figure 11 shown, the two ends of the corrugation can be sprayed with glue.

[0071] In the embodiment of the present application, since the pressing assembly 200 is located above the adsorption table 100 and the framing assembly is located on one side of the pressing assembly 200, therefore, when processing a photovoltaic module is required, the adsorption table 100 can adsorb the solar cell 20, and then the pressing assembly 200 can press the solar cell 20 to keep the solar cell 20 flat and avoid the problem of warping of the solar cell 20. Finally, the framing assembly transports the frame to the adsorption table 100, and the framing assembly can install the frame on the edge of the solar cell 20, that is, insert the frame on the edge of the solar cell 20 to connect the solar cell 20 and the frame.

[0072] An embodiment of the present application provides a photovoltaic building, which includes the lightweight photovoltaic module in any one of the above embodiments.

[0073] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0074] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. A lightweight photovoltaic module, characterized in that, the lightweight photovoltaic module includes: a frame, a solar cell, and a corrugated metal plate; the solar cell is installed in the frame, and the solar cell has a light-receiving surface and a backlight surface, the light-receiving surface and the backlight surface are opposite in position, the corrugated metal plate is connected to the backlight surface, and the corrugated metal plate is used to increase the strength of the solar cell.

2. The lightweight photovoltaic module according to claim 1, characterized in that, the solar cell includes a first substrate layer, a first encapsulation layer, a cell layer, a second encapsulation layer, and a second substrate layer; the first substrate layer, the first encapsulation layer, the cell layer, the second encapsulation layer, and the second substrate layer are stacked in sequence, and the first substrate layer is connected to the first encapsulation layer, the first encapsulation layer is connected to the cell layer, the cell layer is connected to the second encapsulation layer, and the second encapsulation layer is connected to the second substrate layer; the surface of the first substrate layer facing away from the first encapsulation layer is the light-receiving surface, the surface of the second substrate layer facing away from the second encapsulation layer is the backlight surface, and the corrugated metal plate is connected to the surface of the second substrate layer facing away from the second encapsulation layer.

3. The lightweight photovoltaic module according to claim 2, characterized in that, the material of the first substrate layer includes a transparent plate and a fluorine film, the transparent plate has opposite first and second surfaces, the fluorine film is provided on the first surface, and the second surface is connected to the second encapsulation layer.

4. The lightweight photovoltaic module according to claim 3, characterized in that, the thickness range of the fluorine film is 10 microns to 100 microns.

5. The lightweight photovoltaic module according to claim 1, characterized in that, the corrugated metal plate has opposite first and second surfaces, and a plurality of grooves are spaced apart in the direction from the first surface to the second surface on the first surface, the grooves protrude from the second surface, and the portion of the first surface without grooves is connected to the backlight surface.

6. A processing device, characterized in that, for processing the lightweight photovoltaic module according to any one of claims 1-5, the processing device includes a suction table, a pressing component, and a framing component; the pressing component is located above the suction table, the framing component is located on one side of the pressing component, the suction table is used to adsorb the solar cell, the pressing component is used to press the solar cell until the solar cell is flat, and the framing component is used to transport the frame to the suction table and install the frame on the edge of the solar cell.

7. The processing device according to claim 6, characterized in that, the suction table has a suction surface, the suction surface has intersecting first and second directions, and a plurality of suction holes are respectively provided on the suction surface along the first direction and the second direction, and the suction holes are used to adsorb the solar cell.

8. The processing device according to claim 6, characterized in that, The pressing assembly includes a base, a driving member, and a pressing member. The driving member is installed on the base, the pressing member is connected to the driving member, and the driving member is used to drive the pressing member to approach or move away from the adsorption table.

9. The processing device according to claim 6, characterized in that the processing device further includes a handling structure and a glue spraying assembly; the glue spraying assembly includes a manipulator and a plurality of glue spraying heads. The plurality of glue spraying heads are all connected to the manipulator. The manipulator is used to drive the glue spraying heads to move, and the glue spraying heads are used to bond glue; the handling structure is used to transport the corrugated metal plate to the adsorption table, the glue spraying head is used to spray the bonding glue onto the corrugated metal plate, and the handling structure is further used to attach the corrugated metal plate sprayed with the bonding glue to the backlight surface of the battery cell on the adsorption table.

10. A photovoltaic building, characterized in that the photovoltaic building includes the lightweight photovoltaic module according to any one of claims 1-5.

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