CN220106559U - Half section photovoltaic module - Google Patents
Half section photovoltaic module Download PDFInfo
- Publication number
- CN220106559U CN220106559U CN202321508682.8U CN202321508682U CN220106559U CN 220106559 U CN220106559 U CN 220106559U CN 202321508682 U CN202321508682 U CN 202321508682U CN 220106559 U CN220106559 U CN 220106559U
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- China
- Prior art keywords
- cell
- photovoltaic module
- battery piece
- module according
- piece
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- 239000002313 adhesive film Substances 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 229910000679 solder Inorganic materials 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a half-slice photovoltaic module which comprises a glass layer, a first adhesive film layer, a solar cell array, a second adhesive film layer and a back plate which are sequentially arranged from top to bottom, wherein the solar cell array comprises a plurality of cell strings connected in parallel, each cell string is formed by connecting a plurality of cells in series, each cell comprises a first end and a second end, the edge of the front surface of the first end is provided with a positive electrode, the edge of the back surface of the second end is provided with a back electrode, the positive electrode is electrically connected with the back electrode through a conductor, a supporting piece for supporting the cell is arranged between the adjacent cells, and the conductor is arranged on the supporting piece. Be provided with support piece between adjacent battery piece, support the battery piece through support piece to alleviate the pressure of junction between the adjacent battery piece, prevent the production of hidden crack.
Description
Technical Field
The utility model belongs to the technical field of photovoltaics, and particularly relates to a half-slice photovoltaic module.
Background
In the half-slice photovoltaic module, a whole battery piece is cut into two identical half pieces. The existing battery pieces are connected in a tile overlapping mode, an overlapping area is arranged between the edges of two adjacent half battery pieces in the tile overlapping structure, pressure in the overlapping area is concentrated during lamination of the photovoltaic module, hidden cracks are easy to generate, and quality of the photovoltaic module is affected.
Disclosure of Invention
The utility model aims at solving the technical problems and provides a photovoltaic module for preventing hidden cracks in a cell overlapping area.
The purpose of the utility model is realized in the following way: the utility model provides a half slice photovoltaic module, includes glass layer, first glued membrane layer, solar cell array, second glued membrane layer and the backplate that from top to bottom set gradually, solar cell array includes parallel connection's many strings of battery piece cluster, and every string of battery piece cluster is established ties by the multi-disc battery piece and forms, the battery piece includes first end and second end, and first end positive edge is provided with the positive electrode, and the edge at second end back is provided with the back electrode, positive electrode and back electrode pass through electric conductor electric connection, are provided with the support piece that supports the battery piece between the adjacent battery piece, the electric conductor is arranged in on the support piece.
In the utility model, the support piece comprises a first support plate and a second support plate, the first support plate and the second support plate form an L-shaped structure, the top surface of the first support plate is a first connecting surface, the top surface of the second support plate is a second connecting surface, the first connecting surface is connected with the back surface of the second end of the previous cell in the two adjacent cells, and the second connecting surface is connected with the back surface of the first end of the next cell in the two adjacent cells.
In the utility model, a connecting channel is arranged on the first supporting plate, two ends of the connecting channel are respectively communicated with the back electrode of the previous cell and the positive electrode of the next cell in the two adjacent cells, and the electric conductor is arranged in the connecting channel.
In the utility model, the electric conductor is conductive glue, the first supporting plate is provided with an injection channel communicated with the connecting channel, and the conductive glue is injected into the connecting channel from the opening of the injection channel and is connected with the positive electrode of the back electrode box of the front cell of the two adjacent cells.
In the utility model, a groove communicated with the connecting channel is arranged on the first connecting surface, and the back electrode is embedded into the groove.
In the utility model, a plurality of first protrusions facing the solar cell array are arranged on the first adhesive film layer, and a plurality of second protrusions facing the solar cell array are arranged on the second adhesive film layer.
In the utility model, the first protrusion is in contact with the front surface of the first end of the battery piece, and the second protrusion is in contact with the back surface of the second end of the battery piece.
In the utility model, the head and tail of each string of battery piece strings in the solar battery piece array are provided with welding strips, and the welding strips at the head and tail of the strings of battery piece strings are respectively connected with two bus bars.
In the utility model, in the multi-string battery piece strings, a light transmission gap is formed between the adjacent battery piece strings, and a reflective film corresponding to the position of the light transmission gap is arranged between the second adhesive film layer and the back plate.
In the utility model, a transparent antistatic film is arranged on the upper surface of the glass layer.
The beneficial effects of the utility model are as follows: be provided with support piece between adjacent battery piece, support the battery piece through support piece to alleviate the pressure of junction between the adjacent battery piece, prevent the production of hidden crack. The first bulge and the second bulge are respectively arranged on the first adhesive film layer and the second adhesive film layer to buffer the battery piece, so that the pressure born by the battery piece can be further relieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic view of a solar cell array;
FIG. 4 is a schematic diagram showing the distribution of the reflective film on the back plate;
wherein reference numerals are glass layer 100; a light-transmitting antistatic film 110; a first adhesive film layer 200; a first protrusion 210; a solar cell array 300; a battery piece 310; a first end 311; a second end 312; a back electrode 313; a positive electrode 314; a solder ribbon 320; a bus bar 330; a light-transmitting slit 340; a second adhesive film 400; a second protrusion 410; a back plate 500; a light reflecting film 600; a support 700; a first support plate 710; a first connection face 711; a groove 712; a connection channel 713; an injection channel 714; a conductive adhesive 715; a second support plate 720; and a second connection face 721.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the present utility model, fall within the scope of protection of the present utility model.
Referring to fig. 1 to 4, a half-slice photovoltaic module includes a glass layer 100, a first adhesive film layer 200, a solar cell array 300, a second adhesive film layer 400 and a back plate 500 sequentially disposed from top to bottom, where the solar cell array 300 includes multiple strings of cell strings connected in parallel, each string of cell strings is formed by connecting multiple cell sheets in series, the cell 310 includes a first end 311 and a second end 312, a positive electrode 314 is disposed at an edge of a front surface of the first end 311, and a back electrode 313 is disposed at an edge of a back surface of the second end 312. A support 700 for supporting the adjacent cells 310 is provided between the adjacent cells 310, and a conductor for connecting the positive electrode 314 and the back electrode 313 of the adjacent cells 310 is provided on the support 700 to connect the adjacent cells in series.
The support 700 includes a first support plate 710 and a second support plate 720, and the first support plate 710 and the second support plate 720 form an L-shaped structure. The top surface of the first support plate 710 is a first connection surface 711, and the top surface of the second support plate 720 is a second connection surface 721. Of the two connected battery pieces 310, the back surface of the second end 312 of the previous battery piece 310 is connected to the first connection surface 711, and the front surface of the first end 311 of the subsequent battery piece 310 is connected to the second connection surface 721. The pressure at the junction of two adjacent battery pieces 310 can be relieved by the support 700, and the occurrence of hidden cracks can be prevented.
The first support plate 710 is provided with a connection channel 713, and two ends of the connection channel 713 are respectively communicated with the back electrode 313 of the previous cell 310 and the positive electrode 314 of the next cell 310 in the two adjacent cells 310. The first support plate 710 is provided with a connection channel 713, two ends of the connection channel 713 are respectively communicated with the back electrode 313 of the previous cell 310 and the positive electrode 314 of the next cell 310 in the two adjacent cells 310, and meanwhile, a conductor is arranged in the connection channel 713, so that the back electrode 313 of the previous cell 310 and the positive electrode 314 of the next cell 310 in the two adjacent cells 310 are electrically connected through the conductor. Further, the conductive body is conductive adhesive 715, an injection pipeline communicated with the connection channel 713 is arranged on the first support plate 710, and the conductive adhesive 715 is injected into the connection channel 713 through the injection channel 714.
The first connection surface 711 is provided with a groove 712 communicated with the connection channel 713, and the back electrode 313 is embedded into the groove 712, so that the connection stability of the previous cell 310 in the adjacent connected cells 310 and the support member 700 can be ensured.
The first adhesive film layer 200 is provided with a plurality of first protrusions 210 extending towards the solar cell array 300, and the second adhesive film layer 400 is provided with a plurality of second protrusions 410 extending towards the solar cell array 300. The first protrusion 210 contacts the front surface of the first end 311 of the battery cell 310, and the second protrusion 410 contacts the back surface of the second end 312 of the battery cell 310. The first protrusion 210 and the second protrusion 410 play a role in buffering one battery sheet, and can relieve the pressure of the battery sheet 310 when the battery sheet 310 is pressed, thereby preventing the occurrence of hidden cracks.
The solar cell array 300 is provided with solder strips 320 at the head and tail of each cell string, and the solder strips 320 at the head and tail of the cell strings are respectively connected through two bus bars 330. Among the strings of battery cells, a light-transmitting slit 340 is formed between adjacent strings of battery cells, and a reflective film 600 corresponding to the position of the light-transmitting slit 340 is disposed between the second adhesive film layer 400 and the back plate 500. The reflective film 600 can reflect sunlight that is taken into the base plate through the light-transmitting slit 340, thereby increasing the output power of the battery sheet 310.
The transparent antistatic film 110 is provided on the upper surface of the glass layer 100, and dust deposited on the glass layer 100 due to electrostatic adsorption can be reduced by the transparent antistatic film 110, so that the light transmittance of the glass layer 100 is improved, and the power generation efficiency of the battery piece 310 is improved.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, in which the embodiments of the present utility model and features of the embodiments may be combined with each other without conflict, the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present utility model, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are protected by the present utility model.
Claims (10)
1. The utility model provides a half slice photovoltaic module, includes glass layer (100), first glued membrane layer (200), solar cell array (300), second glued membrane layer (400) and backplate (500) that from top to bottom set gradually, its characterized in that, solar cell array (300) are including parallel connection's multi-string battery piece cluster, and every string battery piece cluster is established ties by multi-disc battery piece (310) and is formed, battery piece (310) include first end (311) and second end (312), and the positive edge of first end (311) is provided with positive electrode (314), and the edge at second end (312) back is provided with back electrode (313), positive electrode (314) are through electric conductor electric connection with back electrode (313), are provided with support piece (700) that support battery piece (310) between adjacent battery piece (310), the electric conductor is arranged in on support piece (700).
2. The half-slice photovoltaic module according to claim 1, wherein the supporting member (700) comprises a first supporting plate (710) and a second supporting plate (720), the first supporting plate (710) and the second supporting plate (720) form an L-shaped structure, the top surface of the first supporting plate (710) is a first connecting surface (711), the top surface of the second supporting plate (720) is a second connecting surface (721), the first connecting surface (711) is connected with the back surface of the second end (312) of the previous cell (310) in the two adjacent cells (310), and the second connecting surface (721) is connected with the back surface of the first end (311) of the next cell (310) in the two adjacent cells (310).
3. The half-slice photovoltaic module according to claim 2, wherein the first support plate (710) is provided with a connection channel (713), two ends of the connection channel (713) are respectively connected to the back electrode (313) of the preceding cell (310) and the positive electrode (314) of the following cell (310) of the two adjacent cells (310), and the electrical conductor is disposed in the connection channel (713).
4. A half-slice photovoltaic module according to claim 3, wherein the electrical conductor is a conductive adhesive (715), the first support plate (710) is provided with an injection channel (714) communicating with the connection channel (713), and the conductive adhesive (715) is injected into the connection channel (713) from an opening of the injection channel (714) and connects the back electrode (313) of the previous cell (310) and the positive electrode (314) of the next cell (310) of the two adjacent cells (310).
5. A half-slice photovoltaic module according to claim 2, characterized in that the first connection face (711) is provided with a groove (712) communicating with the connection channel (713), the back electrode (313) being embedded in the groove (712).
6. The half-slice photovoltaic module according to claim 2, wherein the first adhesive film layer (200) is provided with a plurality of first protrusions (210) facing the solar cell array (300), and the second adhesive film layer (400) is provided with a plurality of second protrusions (410) of the solar cell array (300).
7. The half-slice photovoltaic assembly according to claim 6, wherein the first protrusion (210) is in contact with the front side of the first end (311) of the cell (310) and the second protrusion (410) is in contact with the back side of the second end (312) of the cell (310).
8. The half-slice photovoltaic module according to claim 1, wherein the solar cell array (300) is provided with solder strips (320) at the head and the tail of each string of cell strings, and the solder strips (320) at the head and the tail of the strings of cell strings are respectively connected through two bus bars (330).
9. The half-cut photovoltaic module according to claim 1, wherein in the multi-string cell strings, a light-transmitting slit (340) is formed between adjacent cell strings, and a light-reflecting film (600) corresponding to the position of the light-transmitting slit (340) is disposed between the second adhesive film layer (400) and the back plate (500).
10. A half-cut photovoltaic module according to claim 1, characterized in that the upper surface of the glass layer (100) is provided with a light-transmitting antistatic film (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508682.8U CN220106559U (en) | 2023-06-14 | 2023-06-14 | Half section photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321508682.8U CN220106559U (en) | 2023-06-14 | 2023-06-14 | Half section photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220106559U true CN220106559U (en) | 2023-11-28 |
Family
ID=88869527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321508682.8U Active CN220106559U (en) | 2023-06-14 | 2023-06-14 | Half section photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220106559U (en) |
-
2023
- 2023-06-14 CN CN202321508682.8U patent/CN220106559U/en active Active
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