Main-grid-free photovoltaic module with thin film

Abstract

The utility model discloses a main-grid-free photovoltaic module with a film, which comprises two main-grid-free battery pieces, a first fixing block and a second fixing block are fixedly connected between the two main-grid-free battery pieces, the lower surface of the first fixing block is fixedly connected with two second positioning rods, and the lower surface of the second fixing block is fixedly connected with a third positioning rod. A first positioning hole is formed in the lower surface of the first fixing block, a first positioning rod is fixedly connected to the upper surface of the second fixing block, a second positioning hole is formed in the upper surface of the second fixing block, a threaded rod is rotatably connected to the middle of the second positioning rod, two threaded blocks are in threaded connection with the outside of the threaded rod, and a limiting plate is slidably connected to the middle of the second positioning rod. Through the above structure, the first positioning rod is matched with the first positioning hole, and the second positioning rod is matched with the second positioning hole, so that two connected main-grid-free battery pieces are respectively installed, the main-grid-free battery pieces can be kept stable after installation, and deviation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic cells, in particular to a main grid-free photovoltaic component with a thin film. Background Art

[0002] With the widespread application of solar energy, the solar photovoltaic panel industry has also flourished. Improving efficiency and reducing costs are the main research and development directions in the industry. The current mainstream photovoltaic module technology usually uses infrared high temperature to weld the main grid and welding ribbon of the battery cell, and at the same time connects the positive and negative electrodes of two adjacent battery cells into a string. See Figure 1 , and then arrange the strings in a certain way to connect the circuits, and then use packaging materials to package them into components.

[0003] At present, when existing busbar-free photovoltaic cells are installed, the lack of connection between the busbar-free photovoltaic cells makes the stability of the busbar-free photovoltaic cells poor and they are prone to loosening and displacement. Utility Model Content

[0004] The utility model aims to provide a thin-film busbar-free photovoltaic assembly to solve the problem that during installation of existing busbar-free photovoltaic cells, the busbar-free photovoltaic cells lack connection, resulting in poor stability and easy loosening and deviation.

[0005] To achieve the above-mentioned purpose, a busbarless photovoltaic module with a thin film is provided, including: a busbarless solar cell, two of which are provided, a first fixing block and a second fixing block are fixedly connected between the two busbarless solar cells, two second positioning rods are fixedly connected to the lower surface of the first fixing block, and a first positioning hole is opened on the lower surface, a first positioning rod is fixedly connected to the upper surface of the second fixing block, and a second positioning hole is opened on the upper surface, the first positioning rod is matched with the first positioning hole, and the second positioning rod is matched with the second positioning hole, so as to install the two connected busbarless solar cells respectively, so that the busbarless solar cells can be kept stable after installation to avoid displacement.

[0006] According to the thin-film busbar-free photovoltaic assembly, a threaded rod is rotatably connected to the middle of the second positioning rod, two threaded blocks are externally threadedly connected to the threaded rod, and a limiting plate is slidably connected to the middle of the second positioning rod.

[0007] According to the thin-film busbar-free photovoltaic assembly, rotating parts are arranged on both sides of the side wall of the limiting plate and the threaded block, and the side wall of the rotating part is cross-rotatably connected with a support rod.

[0008] According to the thin-film busbar-free photovoltaic assembly, a slot is provided on the inner wall of the second positioning hole, and a plug rod is fixedly connected to the side wall of the limiting plate.

[0009] According to the busbar-free photovoltaic module with a thin film, a thin film is provided on the upper surface of the busbar-free solar cell, and a welding strip is provided between the thin film and the busbar-free solar cell.

[0010] According to the thin-film busbar-free photovoltaic assembly, a knob is provided on the upper surface of the first fixing block, and a side wall of the knob is fixedly connected to the upper end of the threaded rod.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the utility model installs a first fixing block and a second fixing block between two connected main-grid-free battery cells, and uses a first positioning rod to cooperate with a first positioning hole, and a second positioning rod to cooperate with a second positioning hole, so that the two connected main-grid-free battery cells can remain stable after installation and avoid displacement after installation.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 It is a three-dimensional diagram of a busbar-free photovoltaic module with a thin film according to the utility model;

[0015] Figure 2 It is a top view of a busbar-free photovoltaic module with a thin film according to the utility model;

[0016] Figure 3 This is a cross-sectional view of a fixing block of a thin-film busbar-free photovoltaic module of the utility model;

[0017] Figure 4 For this utility model Figure 3 Enlarged view of point A in the middle.

[0018] In the figure: 1. Battery cell without main grid; 2. Film; 3. First fixing block; 4. Second fixing block; 5. Knob; 6. First positioning hole; 7. First positioning rod; 8. Second positioning hole; 9. Second positioning rod; 10. Threaded rod; 11. Threaded block; 12. Rotating part; 13. Limiting plate; 14. Slot; 15. Insertion rod; 16. Support rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model embodiment provides a technical solution: a busbar-free photovoltaic module with a thin film, comprising: a busbar-free solar cell 1, two busbar-free solar cells 1 are provided, a first fixing block 3 and a second fixing block 4 are fixedly connected between the two busbar-free solar cells 1, the first fixing block 3 and the second fixing block 4 are respectively installed on the side walls of the two busbar-free solar cells 1, the first fixing block 3 and the second fixing block 4 cooperate with each other, the lower surface of the first fixing block 3 is fixedly connected with two second positioning rods 9, and the lower surface is provided with a first positioning hole 6, the first positioning hole 6 cooperates with the first positioning rod 7, the upper surface of the second fixing block 4 is fixedly connected with the first positioning rod 7, and the upper surface is provided with a second positioning hole 8. The second positioning hole 8 cooperates with the second positioning rod 9.

[0021] The middle part of the second positioning rod 9 is rotatably connected with a threaded rod 10, and the external threads of the threaded rod 10 are symmetrically arranged so that the two threaded blocks 11 move toward each other. The external threads of the threaded rod 10 are connected with two threaded blocks 11. The middle part of the second positioning rod 9 is slidably connected with a limiting plate 13, and rotating parts 12 are arranged on both sides of the side walls of the limiting plate 13 and the threaded blocks 11. The rotating parts 12 of the side walls of the limiting plate 13 move inside the limiting plate 13, and the side walls of the rotating parts 12 are cross-rotatably connected with support rods 16. A slot 14 is provided on the inner wall of the second positioning hole 8, and a plug rod 15 is fixedly connected to the side wall of the limiting plate 13. The plug rod 15 cooperates with the slot 14 to fix the first fixed block 3 and the second fixed block 4. A film 2 is provided on the upper surface of the main-grid-free battery cell 1, and a welding strip is provided between the film 2 and the main-grid-free battery cell 1. A knob 5 is provided on the upper surface of the first fixed block 3, and the side wall of the knob 5 is fixedly connected to the upper end of the threaded rod 10.

[0022] Working principle: When in use, first cover the film 2 on the upper surface of the main-grid-free battery cell 1, and then install the main-grid-free battery cell 1. During installation, the first positioning rod 7 cooperates with the first positioning hole 6, the second positioning rod 9 cooperates with the second positioning hole 8, and the knob 5 is used to drive the threaded rod 10 to rotate, so that the two threaded blocks 11 move toward each other. During the movement, with the cooperation of the rotating part 12, the support rod 16 pushes the limit plate 13 to move, so that the insertion rod 15 extends to the inside of the slot 14, thereby fixing the first fixing block 3 and the second fixing block 4, so that the main-grid-free battery cell 1 remains stable after installation.

[0023] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A thin-film busbar-free photovoltaic module, comprising: A main-grid-free battery cell (1) is characterized in that two main-grid-free battery cells (1) are provided, and a first fixed block (3) and a second fixed block (4) are fixedly connected between the two main-grid-free battery cells (1); two second positioning rods (9) are fixedly connected to the lower surface of the first fixed block (3), and a first positioning hole (6) is provided on the lower surface; and a first positioning rod (7) is fixedly connected to the upper surface of the second fixed block (4), and a second positioning hole (8) is provided on the upper surface.

2. A thin-film busbar-free photovoltaic module according to claim 1, characterized in that: The middle part of the second positioning rod (9) is rotatably connected to a threaded rod (10), the outer part of the threaded rod (10) is threadably connected to two threaded blocks (11), and the middle part of the second positioning rod (9) is slidably connected to a limiting plate (13).

3. A thin-film busbar-free photovoltaic module according to claim 2, characterized in that: Rotating members (12) are provided on both sides of the side wall of the limiting plate (13) and the threaded block (11), and the side wall of the rotating member (12) is cross-rotatably connected to a support rod (16).

4. A thin-film busbar-free photovoltaic module according to claim 2, characterized in that: A slot (14) is provided on the inner wall of the second positioning hole (8), and an insertion rod (15) is fixedly connected to the side wall of the limiting plate (13).

5. A thin-film busbar-free photovoltaic module according to claim 1, characterized in that: A thin film (2) is provided on the upper surface of the busbar-free battery cell (1), and a welding strip is provided between the thin film (2) and the busbar-free battery cell (1).

6. A thin-film busbar-free photovoltaic module according to claim 1, characterized in that: A knob (5) is provided on the upper surface of the first fixing block (3), and a side wall of the knob (5) is fixedly connected to the upper end of the threaded rod (10).

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