Anti-hot-spot photovoltaic module and photovoltaic power station

Abstract

The utility model provides a kind of hot spot photovoltaic module and photovoltaic power station, it is related to photovoltaic device technical field, and hot spot photovoltaic module includes laminated part and diode;Laminated part includes back sheet and back sheet adhesive film, diode is crimped between back sheet and back sheet adhesive film, and protection piece is equipped between back sheet and diode, and protection piece can prevent diode puncture back sheet.Diode is crimped between back sheet and back sheet adhesive film, so that the diode in junction box is built in laminated part, so that diode does not need to be set in junction box, can reduce the space occupied by junction box, to reduce the area of junction and the shielding area of back sheet, reduce the hot spot failure risk caused by junction box shielding back sheet, guarantee hot spot photovoltaic module long-term outdoor use and power generation performance, and also can improve the backside rate of hot spot photovoltaic module, improve power generation performance, reduce cost, reduce the installation step of junction box, to simplify installation.

Description

Technical Field

[0001] This utility model relates to the field of battery module technology, and in particular to a heat-spot-resistant photovoltaic module and a photovoltaic power station. Background Technology

[0002] A photovoltaic (PV) module is a power generation device that uses semiconductor materials to convert light energy into direct current (DC). A PV module consists of a laminate, a frame, and a junction box. The laminate includes a panel, encapsulating film, solar cells, and a backsheet.

[0003] A junction box consists of a housing, diodes, cables, and connectors, with the housing typically mounted on the backsheet of the laminate. However, the junction box can obstruct the backsheet, increasing the risk of hot spot failure in photovoltaic modules. Utility Model Content

[0004] The purpose of this invention is to provide a hot spot resistant photovoltaic module to solve the technical problem in the prior art where the junction box obstructs the backsheet of the laminate, leading to a high risk of hot spot failure in the photovoltaic module.

[0005] The hot spot-resistant photovoltaic module provided by this utility model includes a laminate and a diode; The laminate includes a back plate and a back plate adhesive film. The diode is pressed between the back plate and the back plate adhesive film, and a protective member is provided between the back plate and the diode to prevent the diode from puncturing the back plate.

[0006] Furthermore, the protective component is block-shaped.

[0007] Furthermore, the protective element is membrane-like.

[0008] Furthermore, the protective element is an elastic protective element.

[0009] Furthermore, the protective element is a flexible protective element.

[0010] Furthermore, the heat-spot-resistant photovoltaic module also includes a junction box and a frame; The frame is fitted over the outside of the laminate, and the wire box is disposed on the frame.

[0011] Furthermore, the frame is provided with mounting holes, the wire box extends into the mounting holes, and the wire box is interference-fitted with the mounting holes.

[0012] Furthermore, the frame is an aluminum alloy frame.

[0013] Furthermore, the laminate also includes a battery panel, which is connected to the diode via a busbar.

[0014] The purpose of this utility model is also to provide a photovoltaic power station, including multiple heat-spot-resistant photovoltaic modules provided by this utility model.

[0015] This utility model provides a heat-spot-resistant photovoltaic module, including a laminate and a diode. The laminate includes a backsheet and a backsheet film. The diode is pressed between the backsheet and the backsheet film, and a protective component is provided between the backsheet and the diode to prevent the diode from puncturing the backsheet. By pressing the diode between the backsheet and the backsheet film, the diode in the junction box is integrated into the laminate, eliminating the need for the diode to be housed within the junction box. This reduces the space occupied by the junction box, thereby reducing wiring and the area obstructed by the backsheet. It also reduces the risk of heat spot failure caused by the junction box obstructing the backsheet, ensuring long-term outdoor use and power generation performance of the heat-spot-resistant photovoltaic module. Furthermore, it increases the backside coverage of the heat-spot-resistant photovoltaic module, improving power generation performance and reducing the amount of potting compound used in existing junction boxes, thus lowering costs. In addition, integrating the diode into the laminate reduces the number of installation steps for the junction box, simplifying installation. It also reduces interference from the junction box on diode heat dissipation, improving the diode's heat dissipation performance and enabling the heat-spot-resistant photovoltaic module to operate stably in high-temperature environments. Attached Figure Description

[0016] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0017] Figure 1 This is a front view of the heat-spot-resistant photovoltaic module provided in this embodiment of the utility model; Figure 2 This is a cross-sectional view of the heat-spot-resistant photovoltaic module provided in this embodiment of the present invention.

[0018] Icons: 1-Diode; 2-Border; 3-Backplate; 4-Backplate adhesive film; 5-Protective component; 6-Battery board. Detailed Implementation

[0019] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0020] This invention provides a heat-spot resistant photovoltaic module and a photovoltaic power station. Several embodiments are given below to describe in detail the heat-spot resistant photovoltaic module and photovoltaic power station provided by this invention.

[0021] Example 1 The heat-spot-resistant photovoltaic module provided in this embodiment, such as Figures 1 to 2 As shown, it includes a laminate and a diode 1; the laminate includes a back plate 3 and a back plate adhesive film 4, the diode 1 is pressed between the back plate 3 and the back plate adhesive film 4, and a protective member 5 is provided between the back plate 3 and the diode 1, the protective member 5 can prevent the diode 1 from piercing the back plate 3.

[0022] Diode 1 is disposed between backplate 3 and backplate adhesive film 4, and diode 1 is pressed between backplate 3 and backplate adhesive film 4 to fix diode 1 between backplate 3 and backplate adhesive film 4. A protective component 5 is provided between backplate 3 and diode 1 to prevent diode 1 from puncturing backplate 3 when the laminating component is pressed down, so as to ensure the stability of the hot spot photovoltaic module.

[0023] Diode 1 is pressed between backplate 3 and backplate adhesive film 4, so that diode 1 in junction box is built into laminate, thus eliminating the need for diode 1 to be placed in junction box, reducing the space occupied by junction box, thereby reducing wiring and the area of ​​backplate 3 being blocked, reducing the risk of hot spot failure caused by junction box blocking backplate 3, and ensuring the long-term outdoor use and power generation performance of hot spot resistant photovoltaic modules.

[0024] Furthermore, it can improve the backside coverage of heat-resistant photovoltaic modules, thereby enhancing power generation performance. Reducing the amount of potting compound used in junction boxes in existing technologies can lower costs.

[0025] Integrating diode 1 into the laminate reduces the number of installation steps required for the junction box, thus simplifying installation. It also reduces interference from the junction box on the heat dissipation of diode 1, improving its heat dissipation performance and enabling the heat-spot-resistant photovoltaic module to operate stably in high-temperature environments.

[0026] In one alternative embodiment, the protective element 5 is block-shaped.

[0027] The block-shaped protective component 5 is relatively thick, which can provide better buffer protection for the back plate 3, thereby effectively preventing the diode 1 from piercing the back plate 3.

[0028] In another alternative embodiment, the protective element 5 is a membrane.

[0029] The film-like protective element 5 is relatively thin. While the protective element 5 plays a role in buffering and protecting the backsheet 3, it can reduce the increase in the thickness of the anti-hot spot photovoltaic module, so that the thickness of the anti-hot spot photovoltaic module is kept at a relatively small value.

[0030] Furthermore, the protective element 5 is an elastic protective element 5.

[0031] The elastic protective element 5 is elastic, and the elasticity of the elastic protective element 5 can provide better cushioning for the back plate 3, thereby protecting the back plate 3 and preventing the back plate 3 from being punctured by the diode 1.

[0032] The elastic protective element 5 can be made of rubber or elastomeric plastic.

[0033] Furthermore, the protective element 5 is a flexible protective element 5.

[0034] The flexible protective element 5 is made of flexible material and has good flexibility, which can prevent damage to the back plate 3, thereby better protecting the back plate 3, preventing the back plate 3 from being punctured by the diode 1, and also preventing the protective element 5 from scratching the back plate 3.

[0035] Flexible materials can be rubber, silicone, polyurethane (TPU), or thermoplastic elastomer (TPE), etc.

[0036] Furthermore, the heat-resistant photovoltaic module also includes a junction box and a frame 2; the frame 2 is fitted on the outside of the laminate, and the junction box is set on the frame 2.

[0037] The junction box is used for electrical connection with external lines. Fixing the junction box on the frame 2 can prevent the junction box body from blocking the back panel 3, thereby further reducing the obstruction of the back panel 3, further reducing the risk of hot spot failure caused by the junction box blocking the back panel 3, and better ensuring the long-term outdoor use and power generation performance of the anti-hot spot photovoltaic module.

[0038] Furthermore, the frame 2 is provided with mounting holes, the wire box extends into the mounting holes, and the wire box and the mounting holes are interference-fitted.

[0039] The interference fit between the junction box and the mounting hole improves the sealing performance between the junction box and the frame 2, preventing moisture and dust from entering the interior of the laminate through the mounting hole, thereby improving the performance and lifespan of the heat-resistant photovoltaic module.

[0040] Furthermore, frame 2 is made of aluminum alloy. The aluminum alloy frame 2 ensures the strength and weather resistance of frame 2. Furthermore, the laminate also includes a solar panel 6, which is connected to the diode 1 via a busbar.

[0041] Since diode 1 is built into the laminate, there is no need for an external junction box. The connection between the battery board 6 and diode 1 is made through a busbar, which ensures reliable electrical connection and simplifies the wiring process.

[0042] There can be multiple diodes 1. The electrical connection between diodes 1 and solar panel 6 is the same as that in the prior art, and will not be described in detail here.

[0043] Example 2 The photovoltaic power station provided in this embodiment includes multiple heat-spot-resistant photovoltaic modules provided in Embodiment 1.

[0044] Multiple heat-resistant photovoltaic modules are connected by electrical connection technology used in photovoltaic power plants. The electrical connection technology adopts the conventional circuit connection method of photovoltaic power plants, and is connected in series and / or in parallel as needed.

[0045] Diode 1 is pressed between backplate 3 and backplate adhesive film 4, so that diode 1 in junction box is built into laminate, thus eliminating the need for diode 1 to be placed in junction box, reducing the space occupied by junction box, thereby reducing wiring and the area of ​​backplate 3 being blocked, reducing the risk of hot spot failure caused by junction box blocking backplate 3, and ensuring the long-term outdoor use and power generation performance of hot spot resistant photovoltaic modules.

[0046] Furthermore, it can improve the backside coverage of heat-resistant photovoltaic modules, thereby enhancing power generation performance. Reducing the amount of potting compound used in junction boxes in existing technologies can lower costs.

[0047] Integrating diode 1 into the laminate reduces the number of installation steps required for the junction box, thus simplifying installation. It also reduces interference from the junction box on the heat dissipation of diode 1, improving its heat dissipation performance and enabling the heat-spot-resistant photovoltaic module to operate stably in high-temperature environments.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A photovoltaic module with heat spot protection, characterized in that, Including laminates and diodes; The laminate includes a back plate and a back plate adhesive film. The diode is pressed between the back plate and the back plate adhesive film, and a protective member is provided between the back plate and the diode to prevent the diode from puncturing the back plate.

2. The heat-spot-resistant photovoltaic module according to claim 1, characterized in that, The protective component is block-shaped.

3. The heat-spot-resistant photovoltaic module according to claim 1, characterized in that, The protective element is membrane-like.

4. The heat-spot-resistant photovoltaic module according to claim 1, characterized in that, The protective component is an elastic protective component.

5. The heat-spot-resistant photovoltaic module according to claim 1, characterized in that, The protective component is a flexible protective component.

6. The heat-spot-resistant photovoltaic module according to claim 1, characterized in that, The heat-spot-resistant photovoltaic module also includes a junction box and a frame; The frame is fitted over the outside of the laminate, and the wire box is disposed on the frame.

7. The heat-spot-resistant photovoltaic module according to claim 6, characterized in that, The frame is provided with mounting holes, the wire box extends into the mounting holes, and the wire box is interference-fitted with the mounting holes.

8. The heat-spot-resistant photovoltaic module according to claim 6, characterized in that, The frame is made of aluminum alloy.

9. The heat-spot-resistant photovoltaic module according to claim 1, characterized in that, The laminate also includes a battery panel, which is connected to the diode via a busbar.

10. A photovoltaic power station, characterized in that, The invention includes any one of the following hot spot-resistant photovoltaic modules as claimed in claims 1-9.

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