Solar photovoltaic module without welding strip bending

Abstract

The utility model discloses a solar photovoltaic module without welding strip bending, which comprises a P-type battery piece, a welding strip A connected to the upper end of the P-type battery piece, an N-type battery piece connected to the right side of the lower end of the welding strip A, and a movable side plate sleeved on the inner sides of the P-type battery piece and the N-type battery piece. The inner side of the fixing plate is sleeved with a stainless steel spring, and the inner side of the connecting rod B is sleeved with a limiting rod. Two types of batteries prepared from P-type battery pieces and N-type battery pieces through doping elements and battery related processes can be opposite in positive and negative electrode position. And the front cathode of the first P-type battery piece is connected with the front anode of the second N-type battery piece through a welding strip, the back cathode of the second N-type battery piece is connected with the back anode of the third P-type battery piece through a welding strip, and so on, as shown in Figure 1, the stress between battery string piece intervals is reduced, and the assembly yield is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field related to solar photovoltaic components without the need for welding strip bending, and in particular relates to a solar photovoltaic component without the need for welding strip bending. Background Art

[0002] Solar photovoltaic modules that do not require welding ribbon bending are made of two types of batteries prepared by doping elements and battery-related processes, so that the positive and negative poles are in opposite positions. They can be attached to a smooth surface by a welding machine and can be installed without welding or bending. These modules have great advantages in the fields of building integrated photovoltaics and car charging. The main advantage of its technology is that it reduces the weight, thickness and manufacturing cost of the modules and improves the reliability and durability of the modules.

[0003] Traditional solar photovoltaic modules that do not require welding ribbon bending do not fundamentally solve the welding stress problem, and the equipment structure is complex and the process stability is poor, so the market needs a new device to solve the current problems. Utility Model Content

[0004] The purpose of the utility model is to provide a solar photovoltaic module that does not require bending of welding ribbons, so as to solve the problem that the traditional solar photovoltaic module that does not require bending of welding ribbons proposed in the above background technology does not fundamentally solve the welding stress problem, and the equipment structure is complex and the process stability is poor. Therefore, the market needs a new device to solve the current problems.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a solar photovoltaic module that does not require welding strip bending, comprising a P-type battery cell, a welding strip A is connected at the upper end position of the P-type battery cell, the lower end of the welding strip A is connected to an N-type battery cell at the right position, a movable side plate is sleeved at the inner side position of the P-type battery cell and the N-type battery cell, the movable side plate is connected to a fixed plate at a vertical angle at the inner side position, a stainless steel spring is sleeved at the inner side position of the fixed plate, the movable side plate is sleeved with the stainless steel spring through a limit rod fixed at the lower end position, so that the movable side plate and the fixed plate can be extended, the inner side of the fixed plate is sleeved with a connecting rod B and a connecting rod A at the upper and lower positions, the connecting rod B and the connecting rod A are sleeved with the fixed plate through a rotating shaft, the connecting rod A is sleeved with a sleeve bolt at the inner side position, and the inner side position of the connecting rod B is sleeved with a limit rod.

[0006] Preferably, the P-type battery cells, the welding strips A and the N-type battery cells are each provided in plurality, and the P-type battery cells and the N-type battery cells are arranged alternately with each other.

[0007] Preferably, two sides of the welding ribbon A are respectively connected to the negative electrode of the first P-type battery cell and the positive electrode of the second N-type battery cell.

[0008] Preferably, the welding ribbon A is connected to the P-type battery cell and the N-type battery cell and then connected through another welding ribbon A, and the welding ribbon A is connected to the negative electrode of the second N-type battery cell and the positive electrode of the third P-type battery cell.

[0009] Preferably, movable side plates and fixed plates are sleeved at outer sides of the P-type battery sheet and the N-type battery sheet, and the P-type battery sheet and the N-type battery sheet are spaced apart by connecting rods B and A.

[0010] Preferably, the movable side plate can be extended by means of a stainless steel spring and a limiting rod, and the stainless steel spring and the limiting rod enable the movable side plate to fit with the fixed plate again after the external force disappears.

[0011] Preferably, the movable side panels can fit on the outer wall positions of the P-type battery cell and the N-type battery cell through elastic effect.

[0012] Preferably, the connecting rod A rotates with the rotation axis as the central axis so that the sleeve bolt rotates from the inner side of the connecting rod A to the outer side, and the connecting rod B extends as the connecting rod A extends through the sleeve column.

[0013] Compared with the prior art, the utility model provides a solar photovoltaic module that does not require welding strip bending, and has the following beneficial effects:

[0014] 1. The two types of batteries prepared by doping elements and battery-related processes of P-type cells and N-type cells can have opposite positive and negative positions. The P-type and N-type cells are arranged alternately, and the positive electrode on the front of the first P-type cell is connected to the positive electrode on the front of the second N-type cell by a welding strip, and the negative electrode on the back of the second N-type cell is connected to the positive electrode on the back of the third P-type cell by a welding strip, and so on. Figure 1 As shown, the stress between the battery strings is reduced and the module yield is improved.

[0015] 2. In order to keep the P-type battery cell and the N-type battery cell at a specified distance, the P-type battery cell and the N-type battery cell are first fixed on the adjustable connecting rod A through the movable side plate, and the connecting rod A is rotated with the rotation axis as the center point. The spacing is adjusted by the sleeve bolts. The connecting rod B is extended through the sleeve column as the connecting rod A rotates, so as to maintain a horizontal state for adjustment during the movement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a solar photovoltaic module that does not require welding ribbon bending according to the utility model.

[0017] Figure 2 The utility model is a schematic diagram of the structure of a P-type battery cell and an N-type battery cell of a solar photovoltaic component that does not require bending of welding ribbons.

[0018] Figure 3 The utility model is a schematic diagram of the structure of a solar photovoltaic component connecting rod B that does not require welding strip bending.

[0019] Figure 4 The utility model is a schematic diagram of the internal structure of a solar photovoltaic component fixing plate that does not require welding strip bending.

[0020] In the figure: 1. P-type battery cell; 2. Welding ribbon A; 3. N-type battery cell; 4. Movable side panel; 5. Socket bolt; 6. Connecting rod A; 7. Fixed plate; 8. Connecting rod B; 9. Socket column; 10. Rotating shaft; 11. Stainless steel spring; 12. Limit rod. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides Figure 1-4 A solar photovoltaic assembly without the need for welding strip bending is shown, comprising a P-type cell 1, a welding strip A2 is connected at the upper end of the P-type cell 1, an N-type cell 3 is connected to the lower end of the welding strip A2 at the right side, a movable side plate 4 is sleeved at the inner side of the P-type cell 1 and the N-type cell 3, the movable side plate 4 is connected to a fixed plate 7 at a vertical angle at the inner side, a stainless steel spring 11 is sleeved at the inner side of the fixed plate 7, the movable side plate 4 is sleeved with the stainless steel spring 11 through a limiting rod 12 fixed at the lower end, so that the movable side plate 4 and the fixed plate 7 can be extended, a connecting rod B8 and a connecting rod A6 are sleeved on the inner side of the fixed plate 7 at the upper and lower positions, the connecting rod B8 and the connecting rod A6 are sleeved with the fixed plate 7 through a rotating shaft 10, a sleeve bolt 5 is sleeved on the connecting rod A6 at the inner side, and a limiting rod 12 is sleeved on the inner side of the connecting rod B8.

[0023] The P-type battery cell 1 and the N-type battery cell 3 are sliced ​​as a whole, and can be cut into half or one-third. After slicing, the P-type and N-type battery cells are divided into two material numbers and enter the welding machine. The P-type and N-type battery spacers and welding strips are connected and welded into battery strings. The battery strings are arranged according to the requirements of the drawings, and the adhesive film and backplane / glass are laid out and laminated into components.

[0024] like Figure 1 and Figure 2 As shown, a plurality of P-type battery cells 1, welding strips A2 and N-type battery cells 3 are provided, and the P-type battery cells 1 and the N-type battery cells 3 are arranged alternately with each other, and the two sides of the welding strip A2 are respectively connected to the negative electrode of the first P-type battery cell 1 and the positive electrode of the second N-type battery cell 3, and the welding strip A2 is connected to the P-type battery cell 1 and the N-type battery cell 3 through another welding strip A2, and the welding strip A2 is connected to the negative electrode of the second N-type battery cell 3 and the positive electrode of the third P-type battery cell 1.

[0025] The two types of batteries prepared by doping elements and battery-related processes of P-type battery cell 1 and N-type battery cell 3 can have opposite positive and negative pole positions, and the P-type and N-type battery cells 3 are arranged alternately, the front negative pole of the first P-type battery cell 1 and the front positive pole of the second N-type battery cell 3 are connected by a welding strip, the back negative pole of the second N-type battery cell 3 is connected to the back positive pole of the third P-type battery cell 1 by a welding strip, and so on. Figure 1 As shown, the stress between the battery strings is reduced and the module yield is improved.

[0026] like Figure 3 and Figure 4 As shown, a movable side plate 4 and a fixed plate 7 are sleeved at the outer positions of the P-type battery cell 1 and the N-type battery cell 3. The P-type battery cell 1 and the N-type battery cell 3 are kept at a distance by connecting rods B8 and A6. The movable side plate 4 can be extended by a stainless steel spring 11 and a limit rod 12. The stainless steel spring 11 and the limit rod 12 enable the movable side plate 4 to fit with the fixed plate 7 again after the external force disappears. The movable side plate 4 can fit at the outer wall position of the P-type battery cell 1 and the N-type battery cell 3 through an elastic effect. The connecting rod A6 rotates with the rotating shaft 10 as the central axis so that the sleeve bolt 5 rotates from the inner side of the connecting rod A6 to the outer side position. The connecting rod B8 extends through the sleeve column 9 as the connecting rod A6 extends.

[0027] The movable side panel 4 first fixes the P-type battery cell 1 and the N-type battery cell 3 on the adjustable connecting rod A6, rotates the connecting rod A6 with the rotating shaft 10 as the center point, and adjusts the spacing through the socket bolt 5. The connecting rod B8 extends through the socket column 9 as the connecting rod A6 rotates, so as to maintain a horizontal state for adjustment during the movement.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A solar photovoltaic module without the need for ribbon bending, characterized in that: The invention comprises a P-type battery cell (1), a welding strip A (2) is connected at the upper end of the P-type battery cell (1), an N-type battery cell (3) is connected at the lower end of the welding strip A (2) at the right side, a movable side plate (4) is sleeved at the inner side of the P-type battery cell (1) and the N-type battery cell (3), a fixed plate (7) is connected at a vertical angle at the inner side of the movable side plate (4), a stainless steel spring (11) is sleeved at the inner side of the fixed plate (7), and the movable side plate (4) is fixed at the lower end thereof. The limit rod (12) is sleeved with the stainless steel spring (11), so that the movable side plate (4) and the fixed plate (7) can be extended. The inner side of the fixed plate (7) is sleeved with a connecting rod B (8) and a connecting rod A (6) at the upper and lower positions. The connecting rod B (8) and the connecting rod A (6) are sleeved with the fixed plate (7) through a rotating shaft (10). The connecting rod A (6) is sleeved with a sleeve bolt (5) at the inner position. The limit rod (12) is sleeved at the inner position of the connecting rod B (8).

2. A solar photovoltaic module without ribbon bending according to claim 1, characterized in that: The P-type battery cells (1), welding strips A (2) and N-type battery cells (3) are each provided in plurality, and the P-type battery cells (1) and the N-type battery cells (3) are arranged alternately with each other.

3. A solar photovoltaic module without ribbon bending according to claim 2, characterized in that: The two sides of the welding strip A (2) are respectively connected to the negative electrode of the first P-type battery sheet (1) and the positive electrode of the second N-type battery sheet (3).

4. A solar photovoltaic module without ribbon bending according to claim 3, characterized in that: The welding ribbon A (2) is connected to the P-type battery cell (1) and the N-type battery cell (3) and then connected through another welding ribbon A (2), and the welding ribbon A (2) is connected to the negative electrode of the second N-type battery cell (3) and the positive electrode of the third P-type battery cell (1).

5. A solar photovoltaic module without ribbon bending according to claim 1, characterized in that: A movable side plate (4) and a fixed plate (7) are sleeved at the outer sides of the P-type battery sheet (1) and the N-type battery sheet (3), and the P-type battery sheet (1) and the N-type battery sheet (3) are spaced apart by a connecting rod B (8) and a connecting rod A (6).

6. A solar photovoltaic module without ribbon bending according to claim 5, characterized in that: The movable side plate (4) can be extended by means of a stainless steel spring (11) and a limiting rod (12), and the stainless steel spring (11) and the limiting rod (12) enable the movable side plate (4) to fit with the fixed plate (7) again after the external force disappears.

7. A solar photovoltaic module without ribbon bending according to claim 6, characterized in that: The movable side plate (4) can be attached to the outer wall positions of the P-type battery sheet (1) and the N-type battery sheet (3) through an elastic effect.

8. A solar photovoltaic module without ribbon bending according to claim 5, characterized in that: The connecting rod A (6) rotates with the rotating shaft (10) as the central axis so that the sleeve bolt (5) rotates from the inner side of the connecting rod A (6) to the outer side, and the connecting rod B (8) extends through the sleeve column (9) as the connecting rod A (6) extends.

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