Photovoltaic module laminating device

By designing a photovoltaic module lamination device with integrated lamination, electrical injection and EL detection functions, the problems of low production efficiency and high cost caused by independent steps in the prior art are solved, and synchronous processing is achieved, which improves production efficiency and reduces costs.

CN222869312UActive Publication Date: 2025-05-13RISEN ENERGY CO LTD
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Patent Information

Application Number
CN202421850576.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-01
Publication Date
2025-05-13
Estimated Expiration
2034-08-01

AI Technical Summary

Technical Problem

In the existing photovoltaic module production processes, lamination processing, electrical injection processing and EL detection are carried out independently in steps, resulting in low production efficiency and high cost.

Method used

A photovoltaic module lamination device is designed, which includes a laminate structure, an electrical injection module and an EL detection module. The laminate structure has a transparent area during the lamination process. The electrical injection module injects current into the laminate structure during the lamination process. The EL detection module acquires the EL image of the laminate structure through the transparent area.

Benefits of technology

The synchronous completion of electrical injection and EL detection during the laminated laminate structure is achieved, which greatly improves production efficiency and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a photovoltaic module laminating device, and relates to the field of photovoltaic technology. The photovoltaic module laminating device comprises a laminating structure, an electric injection module and an EL detection module, the laminating structure is used for laminating the laminating structure, the electric injection module is arranged on the laminating structure and used for injecting current into the laminating structure in the laminating process, and the laminating structure is provided with a transparent area; and the EL detection module is used for acquiring and generating an EL image of the laminated structure through the transparent region in the process of injecting the current into the laminated structure by the electric injection module. The photovoltaic module laminating device provided by the utility model can synchronously complete electric injection and EL detection of the laminated structure in the process of laminating the laminated structure of the photovoltaic module, so that the production efficiency is greatly improved, and the production cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaics, and in particular to a photovoltaic component lamination device. Background Art

[0002] Photovoltaic modules are multi-layer structures. When preparing photovoltaic modules, a laminator is required to laminate the multi-layer structure. In order to repair the defects of photovoltaic modules and improve their power generation, the photovoltaic modules need to be electrically injected after lamination. In addition, in the later stage of the preparation process, photovoltaic modules need to be tested for EL in order to evaluate the performance of photovoltaic modules and eliminate defective products.

[0003] At present, lamination processing, electrical injection processing and EL testing are carried out independently in steps, and need to be completed in sequence by a variety of equipment arranged at different workstations, resulting in low production efficiency and high production costs of photovoltaic modules. Utility Model Content

[0004] The purpose of the utility model is to provide a photovoltaic module laminating device, which can simultaneously complete the electrical injection and EL detection of the laminated structure during the process of laminating the laminated structure of the photovoltaic module, thereby greatly improving the production efficiency and reducing the production cost.

[0005] The embodiment of the utility model provides a technical solution:

[0006] A photovoltaic module lamination device comprises a lamination structure, an electric injection module and an EL detection module, wherein the lamination structure is used for laminating a stacked structure, the electric injection module is arranged on the lamination structure and is used for injecting current into the stacked structure during the lamination process, and the lamination structure has a transparent area; the EL detection module is used for acquiring and generating an EL image of the stacked structure through the transparent area during the process of the electric injection module injecting current into the photovoltaic module.

[0007] In an optional embodiment, the laminated structure includes a press cover, a silicone plate and a mounting plate stacked in sequence, the press cover, the silicone plate and the mounting plate are at least partially transparent, and the electric injection module is arranged on the mounting plate.

[0008] In an optional embodiment, the laminate structure further includes a high temperature cloth, the high temperature cloth is located between the silicone plate and the mounting plate, and the high temperature cloth is at least partially transparent.

[0009] In an optional embodiment, a mounting portion is provided on the mounting plate, and the mounting portion includes a positive electrode channel and a negative electrode channel, and the positive electrode channel and the negative electrode channel both extend from the peripheral side wall of the mounting plate to a side surface of the mounting plate facing away from the silicone plate, and the electrical injection module is installed in the positive electrode channel and the negative electrode channel.

[0010] In an optional embodiment, the electric injection module includes a positive input member, a positive cable connected to the positive input member at one end, a negative input member, and a negative cable connected to the negative input member at one end, the positive cable extends in the positive channel, and the negative cable extends in the negative channel;

[0011] The other end of the positive cable and the other end of the negative cable are both connected to a power source, and at least a portion of the positive input member and at least a portion of the negative input member are both located on a surface of the mounting plate facing away from the silicone plate.

[0012] In an optional embodiment, the number of the electric injection modules and the number of the mounting parts are both plural, and the multiple electric injection modules are respectively installed on the multiple mounting parts.

[0013] In an optional embodiment, a positive busbar and a negative busbar are respectively provided on the silicone plate, and one end of the positive cables corresponding to several of the electric injection modules away from the positive input piece is connected to the positive busbar; one end of the negative cables corresponding to several of the electric injection modules away from the negative input piece is connected to the negative busbar, and the positive busbar and the negative busbar are connected to a power source.

[0014] In an optional embodiment, the EL detection module includes a first shooting unit and a second shooting unit.

[0015] In an optional embodiment, the laminated structure includes a laminated side and a non-laminated side that are arranged opposite to each other, the laminated side is used to press and hold the laminated structure, and the first shooting unit and the second shooting unit are arranged on the non-laminated side.

[0016] In an optional embodiment, the photovoltaic module lamination device further includes a support plate and a temperature sensor, wherein the support plate is used to support the laminated structure during the lamination process, and the temperature sensor is disposed on the support plate to detect the temperature of the laminated structure.

[0017] Compared with the prior art, the photovoltaic module lamination device provided by the utility model, in the process of controlling the lamination structure to laminarize the stacked structure, injects current into the stacked structure through the electric injection module to achieve electric injection treatment of the stacked structure. In addition, the laminated structure has a transparent area, and the EL detection module can obtain the EL image of the stacked structure through the transparent area of ​​the laminated structure during the process of the electric injection module performing electric injection treatment on the stacked structure, eliminating the need for additional configuration of EL detection equipment. Therefore, the beneficial effects of the photovoltaic module lamination device provided by the utility model include: being able to simultaneously complete electric injection and EL detection of the stacked structure during the process of laminating the stacked structure, greatly improving production efficiency and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the utility model and should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can also be obtained based on these drawings without creative work.

[0019] Figure 1 A schematic structural diagram of a photovoltaic module lamination device provided in an embodiment of the utility model;

[0020] Figure 2 A schematic diagram of the connection structure between the electric injection module and the mounting plate of the photovoltaic module lamination device;

[0021] Figure 3 A partial structural schematic diagram of a photovoltaic module lamination device provided in another embodiment of the utility model;

[0022] Figure 4 for Figure 1 The structural diagram of the temperature acquisition module in FIG.

[0023] Figure 5 A schematic structural diagram of a photovoltaic module lamination device provided in an embodiment of the utility model that performs temperature acquisition only during the lamination process.

[0024] Icons: 100-photovoltaic module laminating device; 110-laminating structure; 111-press cover; 112-silicone plate; 1121-positive busbar; 1122-negative busbar; 113-high temperature cloth; 114-mounting plate; 1141-positive channel; 1142-negative channel; 121-positive input piece; 122-positive cable; 123-negative input piece; 124-negative cable; 130-first shooting unit; 140-temperature acquisition module; 141-support plate; 1411-lead-out hole; 142-temperature sensor; 150-second shooting unit; 200-laminated structure. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the description of the present utility model, it should be understood that the terms "upper", "lower", "inside", "outside", "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the utility model product is usually placed when in use, or are directions or positional relationships that are usually understood by those skilled in the art. These directions or positional relationships are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present utility model.

[0029] Furthermore, the terms “first”, “second”, etc. are merely used for distinguishing descriptions and should not be understood as indicating or implying relative importance.

[0030] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms such as "setting" and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] The specific implementation of the utility model is described in detail below in conjunction with the accompanying drawings.

[0032] Example

[0033] See also Figure 1 , Figure 1 Shown is a schematic structural diagram of a photovoltaic module lamination device 100 provided in this embodiment.

[0034] The photovoltaic module lamination device 100 provided in this embodiment includes a lamination structure 110, an electric injection module and an EL detection module. The lamination structure 110 is used to laminate a stacked structure 200. The electric injection module is disposed on the lamination structure 110 and is used to apply a forward bias voltage to the stacked structure 200 during the lamination process to inject current. The lamination structure 110 has a transparent area, and the EL detection module is used to obtain an EL image of the stacked structure 200 through the transparent area on the lamination structure 110 during the process of the electric injection module injecting current into the stacked structure 200.

[0035] The laminated structure 110 can be a part of a traditional lamination device. Typically, the laminated structure 200 is composed of front glass, a first adhesive film, a battery cell, a second adhesive film, and back glass or a back panel stacked in sequence. The laminated structure 200 is laminated to press the various hierarchical structures together to obtain a laminate of a semi-finished photovoltaic module.

[0036] In practical applications, when the laminated structure 110 is driven by an external force to laminate the stacked structure 200, the electric injection module is in electrical contact with the stacked structure 200, and can perform electric injection on the stacked structure 200. The hydrogen atoms introduced by the electric injection can combine with certain defects in the battery cell, passivate these defects, reduce the recombination of carriers, and thus improve the efficiency of the battery. In addition, during the heating and pressurizing lamination process, the heating-assisted electric injection can promote the diffusion of hydrogen atoms in the battery cell and more effectively repair the microscopic defects inside the battery cell.

[0037] When the stacked structure 200 is forward biased by the electric injection module to inject current, the PN junction in the stacked structure 200 will inject the majority of carriers, and these carriers will recombine and release energy to generate electroluminescence. The EL detection module collects and analyzes the image of the luminous stacked structure 200 to obtain an EL image. According to the EL image, defect information of the stacked structure 200 can be obtained, and the performance of the stacked structure 200 including conversion efficiency can be evaluated, and defective products can also be quickly eliminated.

[0038] In fact, the EL detection module provided in this embodiment includes a first shooting unit 130 and a second shooting unit 150. In fact, the first shooting unit 130 is an infrared camera, which is used to shoot the photon image released during the electrical injection of the stacked structure 200. The EL detection module also includes a processing module capable of processing the photon image, which obtains the EL image according to the photon image captured by the first shooting unit 130.

[0039] The second shooting unit 150 is a common camera, which is used to observe the appearance of the laminated structure 200 and the physical changes of the packaging materials of the laminated structure 200 in the molten state, so as to collect data for subsequent research and development or process improvement. In addition, in practical applications, after the laminated structure 200 is sent into the photovoltaic module lamination device 100, the second shooting unit 150 is also used to detect the specific position and posture of the laminated structure 200, which serves as a basis for adjusting the position and posture of the laminated structure 200, so that the electrodes of the laminated structure 200 are aligned with the electric injection module.

[0040] In this embodiment, the laminated structure 110 includes a laminated side and a non-laminated side that are relatively arranged. The laminated side is used to press the stacked structure 200. In order to avoid damage to the first shooting unit 130 and the second shooting unit 150 due to the high temperature and high pressure environment, in this embodiment, the first shooting unit 130 and the second shooting unit 150 are arranged on the non-laminated side of the laminated structure 110.

[0041] The electric injection module is arranged on the lamination side of the lamination structure 110, so that the electric injection module injects current into the lamination structure 200 when the lamination side presses the lamination structure 200. Specifically, the lamination structure 110 includes a press cover 111, a silicone plate 112, a high temperature cloth 113 and a mounting plate 114 which are stacked in sequence, the first shooting unit 130 and the second shooting unit 150 are arranged on the side of the press cover 111 away from the silicone plate 112, and the electric injection module is arranged on the mounting plate 114.

[0042] In this embodiment, the press cover 111, the silicone plate 112, the high-temperature cloth 113 and the mounting plate 114 are all completely transparent structures. In other embodiments, at least one of the press cover 111, the silicone plate 112, the high-temperature cloth 113 and the mounting plate 114 can be a partially transparent structure, and it is only necessary to ensure that the transparent structures on each layer of the structure are aligned.

[0043] For example, in order to improve the structural strength of the laminated structure 110, at least one of the press cover 111, the silicone plate 112, the high-temperature cloth 113 and the mounting plate 114 can be set to a structure in which a non-transparent area surrounds a transparent area, and the non-transparent area is made of a high-strength and opaque material, thereby improving the strength of the corresponding layer structure and further improving the overall strength of the laminated structure 110.

[0044] In practical applications, the press cover 111 can be the cover of a conventional laminating device. In this embodiment, the press cover 111 is made of a high temperature resistant, high strength and transparent material, such as quartz, polycarbonate, polyetheretherketone, borosilicate glass, polytetrafluoroethylene, polysulfone, transparent ceramics, etc.

[0045] The silicone plate 112 can be inflated and deflated. In actual applications, when the press cover 111 drives the mounting plate 114 to press the laminated structure 200 , the silicone plate 112 is inflated to squeeze the high-temperature cloth 113 and the mounting plate 114 , thereby achieving lamination processing of the laminated structure 200 .

[0046] In this embodiment, the high temperature cloth 113 is made of polytetrafluoroethylene. The mounting plate 114 is a G11 epoxy plate, which has the characteristics of insulation and high temperature resistance.

[0047] Please refer to Figure 2 , Figure 2 FIG. 1 is a schematic diagram of the connection structure between the electric injection module and the mounting plate 114 provided in this embodiment.

[0048] In this embodiment, a mounting portion is provided on the mounting plate 114 , and the mounting portion includes a positive electrode channel 1141 and a negative electrode channel 1142 . The positive electrode channel 1141 and the negative electrode channel 1142 both extend from the peripheral side wall of the mounting plate 114 to a side surface of the mounting plate 114 away from the high-temperature cloth 113 .

[0049] The electric injection module includes a positive input component 121, a positive cable 122, a negative input component 123 and a negative cable 124. The positive input component 121 is arranged at one end of the positive channel 1141 on the side surface of the mounting plate 114 away from the high-temperature cloth 113, and the positive cable 122 extends from one end of the positive channel 1141 on the peripheral side wall of the mounting plate 114 to connect with the positive input component 121.

[0050] The negative input member 123 is disposed at one end of the negative channel 1142 on the side surface of the mounting plate 114 away from the high temperature cloth 113, and the negative cable 124 extends from one end of the negative channel 1142 on the peripheral side wall of the mounting plate 114 to connect with the negative input member 123. In this embodiment, the positive input member 121 and the negative input member 123 are both conductive metal blocks.

[0051] The surface of the positive cable 122 and the negative cable 124 has a high temperature resistant and insulating coating. In this embodiment, the thickness of the mounting plate 114 is 7 mm, and the diameters of the positive channel 1141 and the negative channel 1142 are 4.5 mm. The thickness of the mounting plate 114, the diameters of the positive channel 1141 and the negative channel 1142, and the cross-sectional areas of the positive cable 122 and the negative cable 124 correspond to the current parameters set during electrical injection. The cross-sectional areas of the positive cable 122 and the negative cable 124 determine the space for accommodating the current. The larger the cross-sectional area, the better the conductivity and the greater the current that can be tolerated.

[0052] It can be understood that the side surface of the mounting plate 114 facing away from the high temperature cloth 113 is the surface that directly contacts and presses the laminated structure 200, at least part of the positive input member 121 is located on the side surface of the mounting plate 114 facing away from the high temperature cloth 113, and at least part of the negative input member 123 is located on the side surface of the mounting plate 114 facing away from the high temperature cloth 113, so that when the mounting plate 114 presses the laminated structure 200, the positive input member 121 and the negative input member 123 can respectively abut the positive electrode and the negative electrode of the laminated structure 200. The positive cable 122 and the negative cable 124 are connected to an external power source to realize the electrical connection between the power source and the laminated structure 200, and realize the electrical injection treatment of the laminated structure 200.

[0053] In fact, the photovoltaic module lamination device 100 provided in this embodiment can realize the simultaneous lamination of batch stacking structures 200, and the number of electric injection modules arranged on the mounting plate 114 is multiple, which can realize the simultaneous electric injection processing of the batch stacking structures 200.

[0054] Specifically, the number of mounting parts is multiple, and the number of electrical injection modules corresponds to the number of mounting parts. Different electrical injection modules can be connected to the same power source or different power sources through the corresponding positive cable 122 away from the positive input member 121, and the corresponding negative cable 124 away from the negative input member 123. For example, if the electrical injection parameters of a batch of stacked structures 200 are consistent, the same power source can be connected to achieve efficient batch electrical injection; if the electrical injection parameters of different stacked structures 200 are inconsistent, different power sources can be connected to achieve different control of the electrical injection parameters of different stacked structures 200. The electrical injection parameters may include current, voltage, power-on time, etc.

[0055] See also Figure 3 , Figure 3 FIG. 1 is a partial structural schematic diagram of a photovoltaic module lamination device 100 provided in another embodiment.

[0056] Figure 3 In the photovoltaic module lamination device 100 provided in the illustrated embodiment, a positive busbar 1121 and a negative busbar 1122 are respectively arranged on the silicone plate 112, and one end of the positive cables 122 corresponding to the multiple power injection modules away from the positive input member 121 is connected to the positive busbar 1121, and one end of the negative cables 124 corresponding to the multiple power injection modules away from the negative input member 123 is connected to the negative busbar 1122, and the positive busbar 1121 and the negative busbar 1122 are connected to a power source.

[0057] In other words, by arranging the positive busbar 1121 and the negative busbar 1122 , multiple electric injection modules are arranged in parallel between the positive and negative electrodes of the same power source, that is, unified control of the electric injection data of the batch stacked structure 200 is achieved through the same power source.

[0058] Specifically, in this embodiment, mounting notches are provided at two opposite edges of the silicone plate 112 , and the positive electrode busbar 1121 and the negative electrode busbar 1122 are respectively installed in the two mounting notches without occupying additional space.

[0059] Please continue to participate Figure 1 In practical applications, the lamination equipment will provide a high temperature environment during the lamination process, so that the stacked structure 200 is in a high temperature environment. Preferably, 20A current and 48V voltage are provided to the stacked structure 200, so that the stacked structure 200 passes current in a high temperature and high pressure environment, thereby increasing the number of current carriers and thus increasing the power of the stacked structure 200.

[0060] In addition, the photovoltaic module lamination device 100 provided in this embodiment also includes a temperature acquisition module 140, which is used to support the stacked structure 200 and detect the temperature of multiple areas on the stacked structure 200 during the lamination process, thereby improving the speed and accuracy of temperature testing of all areas inside the hot pressing chamber of the lamination equipment, and monitoring the internal temperature of the lamination equipment in real time, thereby reducing the probability of uncontrollable events caused by abnormal temperature of the lamination equipment and improving production yield.

[0061] Please refer to Figure 4 , Figure 4 FIG. 1 is a schematic diagram of the structure of the temperature acquisition module 140 .

[0062] The temperature acquisition module 140 includes a support plate 141 and a temperature sensor 142 . The support plate 141 is used to support the laminated structure 200 . The temperature sensor 142 is disposed on the support plate 141 to detect the temperature of the laminated structure 200 during the lamination process.

[0063] In this embodiment, the temperature sensor 142 is a thermocouple sensor, and a plurality of lead-out holes 1411 are provided on the peripheral side wall of the support plate 141. A plurality of mounting holes are provided on a side surface of the support plate 141 for supporting the laminated structure 200, and each mounting hole is connected to at least one lead-out hole 1411; the measuring end of the thermocouple sensor is arranged in the mounting hole, and the compensation end thereof leaves the support plate 141 through the lead-out hole 1411 and is connected to the temperature tester.

[0064] It can be understood that the temperature acquisition module 140 can also synchronously collect temperature data of the batch laminated structure 200 undergoing lamination processing. By controlling the number of temperature sensors 142, it can ensure that multiple areas on each laminated structure 200 have different temperature sensors 142 corresponding to them. The greater the number of temperature sensors 142, the more detailed the collected temperature data.

[0065] It should be noted that the photovoltaic module laminating device 100 provided in this embodiment has multiple working modes, including a mode in which electric injection and temperature detection are performed simultaneously, that is, the mounting plate 114 and the temperature acquisition module 140 are both involved in the work; a mode in which only electric injection is performed, in which the temperature acquisition module 140 can be detached and does not participate in the work, and the laminated structure 200 is directly supported by the laminating device; and a mode in which only temperature detection is performed, in which the mounting plate 114 can be detached and does not participate in the work, and the laminated structure 200 is directly pressed by the high-temperature cloth 113, such as Figure 5 shown.

[0066] In summary, the photovoltaic module lamination device 100 provided in this embodiment can simultaneously complete the electrical injection, EL detection and temperature detection of the stacked structure 200 during the process of laminating the stacked structure 200, thereby greatly improving the production efficiency and reducing the production cost.

[0067] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A photovoltaic module lamination device, characterized in that: It comprises a laminated structure, an electric injection module and an EL detection module, wherein the laminated structure is used for laminating a stacked structure, the electric injection module is arranged on the laminated structure and is used for injecting current into the stacked structure during the lamination process, and the laminated structure has a transparent area; The EL detection module is used to acquire and generate an EL image of the stacked structure through the transparent area when the electric injection module injects current into the stacked structure.

2. The photovoltaic module lamination device according to claim 1, characterized in that: The laminated structure includes a press cover, a silicone plate and a mounting plate which are stacked in sequence. The press cover, the silicone plate and the mounting plate are at least partially transparent, and the electric injection module is arranged on the mounting plate.

3. The photovoltaic module lamination device according to claim 2, characterized in that: The laminate structure further includes a high temperature cloth, which is located between the silicone plate and the mounting plate, and the high temperature cloth is at least partially transparent.

4. The photovoltaic module lamination device according to claim 2, characterized in that: A mounting portion is provided on the mounting plate, and the mounting portion includes a positive electrode channel and a negative electrode channel. The positive electrode channel and the negative electrode channel both extend from the peripheral side wall of the mounting plate to a side surface of the mounting plate away from the silicone plate, and the electric injection module is installed in the positive electrode channel and the negative electrode channel.

5. The photovoltaic module lamination device according to claim 4, characterized in that: The electric injection module comprises a positive input member, a positive cable connected to the positive input member at one end, a negative input member and a negative cable connected to the negative input member at one end, the positive cable extends in the positive channel, and the negative cable extends in the negative channel; The other end of the positive cable and the other end of the negative cable are both connected to a power source, and at least a portion of the positive input member and at least a portion of the negative input member are both located on a surface of the mounting plate facing away from the silicone plate.

6. The photovoltaic module lamination device according to claim 5, characterized in that: The number of the electric injection modules and the number of the mounting parts are both multiple, and the multiple electric injection modules are respectively installed on the multiple mounting parts.

7. The photovoltaic module lamination device according to claim 6, characterized in that: A positive busbar and a negative busbar are respectively arranged on the silicone plate, and one end of the positive cables corresponding to several of the electric injection modules away from the positive input piece is connected to the positive busbar; one end of the negative cables corresponding to several of the electric injection modules away from the negative input piece is connected to the negative busbar, and the positive busbar and the negative busbar are connected to a power source.

8. The photovoltaic module lamination device according to claim 1, characterized in that: The EL detection module includes a first shooting unit and a second shooting unit, and the first shooting unit is an infrared shooting unit.

9. The photovoltaic module lamination device according to claim 8, characterized in that: The laminated structure comprises a laminated side and a non-laminated side which are arranged opposite to each other, the laminated side is used for pressing and holding the laminated structure, and the first shooting unit and the second shooting unit are arranged on the non-laminated side.

10. The photovoltaic module lamination device according to claim 1, characterized in that: The photovoltaic module lamination device also includes a support plate and a temperature sensor. The support plate is used to support the stacked structure during the lamination process, and the temperature sensor is arranged on the support plate.