CN220672594U - High double-sided photovoltaic module - Google Patents
High double-sided photovoltaic module Download PDFInfo
- Publication number
- CN220672594U CN220672594U CN202322032595.6U CN202322032595U CN220672594U CN 220672594 U CN220672594 U CN 220672594U CN 202322032595 U CN202322032595 U CN 202322032595U CN 220672594 U CN220672594 U CN 220672594U
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- Prior art keywords
- photovoltaic module
- bus bar
- long
- string group
- width direction
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- 239000011521 glass Substances 0.000 claims abstract description 16
- 229920005549 butyl rubber Polymers 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 229910021419 crystalline silicon Inorganic materials 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a high double-sided photovoltaic module, which comprises a junction box and a battery string group, wherein the battery string group is packaged between two glass plates, the battery string group consists of a plurality of long battery strings, each long battery string is formed by connecting a plurality of battery pieces, an anode bus bar and a cathode bus bar are oppositely positioned at two ends of the battery string group in the length direction and are connected with the long battery strings to form a current circuit, and the junction box is connected to the anode bus bar and the cathode bus bar.
Description
Technical Field
The utility model relates to the technical field of photovoltaic modules, in particular to a high-double-sided photovoltaic module.
Background
Along with the popularization of the photovoltaic double-sided battery, the application of the double-sided component is wider, the double-sided rate (back power/front power) of the component is also more important, and the current component design is as shown in fig. 1 and 2, and the back of the line box is shielded, so that the double-sided rate is generally lower, and the back power generation of the component is affected.
Disclosure of Invention
In order to improve the problems, the utility model discloses a high double-sided photovoltaic module, which comprises a junction box and a battery string group, wherein the battery string group is packaged between two glass plates, the battery string group consists of a plurality of long battery strings, each long battery string is formed by connecting a plurality of battery pieces, an anode bus bar and a cathode bus bar are oppositely arranged at two ends of the battery string group in the length direction and are connected with the long battery strings to form a current circuit, and the junction box is connected to the anode bus bar and the cathode bus bar.
Preferably, an insulating waterproof butyl rubber layer is clamped between the position, close to the positive electrode bus bar, of the glass plate and the positive electrode bus bar, and between the position, close to the negative electrode bus bar, of the glass plate and the negative electrode bus bar.
Preferably, the battery string group is composed of six long battery strings, wherein two long battery strings near one side in the width direction of the battery string group are connected with the positive electrode bus bar, two long battery strings near the other side in the width direction of the battery string group are connected with the negative electrode bus bar, and two long battery strings in the middle of the width direction of the battery string group are connected between two long battery strings near the one side in the width direction of the battery string group and two long battery strings near the other side in the width direction of the battery string group.
Preferably, the battery piece is a P-type or N-type crystalline silicon battery piece with double-sided power generation.
Preferably, the method further comprises:
the fixed framework, two glass boards are installed in fixed framework, reserve the mounting groove that is used for placing the terminal box on the fixed framework.
Preferably, the side seal plate is installed to mounting groove notch end, the bar hole has been seted up on the side seal plate, the mounting groove inner wall can reset and install the fixture block, the fixture block is close to terminal box end and installs the rubber block, the bar groove has been seted up on the fixture block top, and L type rotation piece wears to establish the bar hole and stretches into in the bar groove.
Preferably, the fixing base is installed to the bar groove inner wall, the spout has been seted up on the fixing base top, sliding connection has the slider in the spout, the slider is connected with the fixture block bottom, install reset spring in the spout, reset spring connects between slider and spout inner wall.
Preferably, the bottom end of the clamping block is slidably connected to the top end of the fixing seat.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a conventional layout diagram;
FIG. 2 is a conventional circuit diagram;
FIG. 3 is a layout of the present utility model;
FIG. 4 is a circuit diagram of the present utility model;
FIG. 5 is a schematic view of a bus bar extraction position and a glass plate structure according to the present utility model;
FIG. 6 is a schematic view of the junction box of the present utility model in a mounting slot;
fig. 7 is a schematic diagram showing a second structure of the junction box in the mounting groove.
In the figure: 10. a junction box; 11. a battery string; 12. a glass plate; 13. a long battery string; 14. a positive electrode bus bar; 15. a negative electrode bus bar; 16. a butyl rubber layer; 17. fixing the frame; 18. a mounting groove; 19. a side sealing plate; 20. a bar-shaped hole; 21. a clamping block; 22. a rubber block; 23. a bar-shaped groove; an l-shaped rotating member; 25. a fixing seat; 26. a chute; 27. a slide block; 28. and a return spring.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 3 to 5, the high double-sided photovoltaic module provided in this embodiment includes a junction box 10 and a battery string group 11, the battery string group 11 is encapsulated between two glass plates 12, the battery string group 11 is composed of a plurality of long battery strings 13, each long battery string 13 is formed by connecting a plurality of battery pieces, a positive electrode bus bar 14 and a negative electrode bus bar 15 are oppositely located at two ends of the battery string group 11 in the length direction and are connected with the long battery strings 13 to form a current circuit, and the junction box 10 is connected to the positive electrode bus bar 14 and the negative electrode bus bar 15.
The working principle and beneficial effects of the technical scheme are as follows:
the utility model discloses a high double-sided photovoltaic module, wherein the middle position of a junction box 10 is changed into the two end positions of fig. 3 from the middle position of fig. 1, the junction box 10 can not shade battery pieces, and the power generation efficiency is improved.
In one embodiment, an insulating waterproof butyl rubber layer 16 is sandwiched between the lead-out position of the glass plate 12 near the positive electrode bus bar 14 and the positive electrode bus bar 14, and between the lead-out position of the glass plate 12 near the negative electrode bus bar 15 and the negative electrode bus bar 15.
The beneficial effects of the technical scheme are as follows:
the bus bar 15 is led out from the side edge of the glass plate 12, and two butyl rubber layers 16 are added at the leading-out position to prevent water vapor from penetrating.
In one embodiment, the battery string set 11 is composed of six long battery strings 13, in which two long battery strings near one side in the width direction of the battery string set 11 are connected to the positive electrode bus bar 14, two long battery strings near the other side in the width direction of the battery string set 11 are connected to the negative electrode bus bar 15, and two long battery strings located in the middle of the width direction of the battery string set 11 are connected between two long battery strings near one side in the width direction of the battery string set 11 and two long battery strings near the other side in the width direction of the battery string set 11.
In one embodiment, the cell is a P-type or N-type crystalline silicon cell with double-sided power generation.
As shown in fig. 6 and 7, in one embodiment, the method further includes:
the fixing frame 17, two glass plates 12 are installed in the fixing frame 17, and an installation groove 18 for placing the junction box 10 is reserved on the fixing frame 17.
The beneficial effects of the technical scheme are as follows:
the fixing frame 17 is reserved with a mounting groove 18 for placing the junction box 10 in advance, so that the effect of safety, insulation and water resistance can be achieved.
In one embodiment, the notch end of the mounting groove 18 is provided with a side sealing plate 19, the side sealing plate 19 is provided with a strip-shaped hole 20, the inner wall of the mounting groove 18 is provided with a clamping block 21 in a resettable manner, the clamping block 21 is provided with a rubber block 22 near the end of the junction box 10, the top end of the clamping block 21 is provided with a strip-shaped groove 23, and the L-shaped rotating piece 24 penetrates through the strip-shaped hole 20 and extends into the strip-shaped groove 23.
The working principle and beneficial effects of the technical scheme are as follows:
the L-shaped rotating piece 24 (similar to a small-sized socket head wrench) is manually inserted into the strip-shaped hole 20 and extends into the strip-shaped groove 23, the small-length end of the L-shaped rotating piece 24 is positioned in the strip-shaped groove 23, the L-shaped rotating piece 24 is rotated, so that the clamping block 21 is driven to move to the position shown in fig. 7, the junction box 10 is manually placed in the mounting groove 18, after the L-shaped rotating piece 24 is pulled out, the clamping block 21 is reset, and the rubber block 22 is driven to be abutted against the junction box 10, so that the junction box 10 is fixed in the mounting groove 18.
In one embodiment, the inner wall of the bar-shaped groove 23 is provided with a fixing seat 25, the top end of the fixing seat 25 is provided with a sliding groove 26, a sliding block 27 is slidably connected in the sliding groove 26, the sliding block 27 is connected with the bottom end of the clamping block 21, a return spring 28 is installed in the sliding groove 26, and the return spring 28 is connected between the sliding block 27 and the inner wall of the sliding groove 26.
The working principle and beneficial effects of the technical scheme are as follows:
the L-shaped rotating member 24 (similar to a small-sized socket head wrench) is manually inserted through the bar-shaped hole 20 and extends into the bar-shaped groove 23, the small-length end of the L-shaped rotating member 24 is positioned in the bar-shaped groove 23, the L-shaped rotating member 24 is rotated, so that the clamping block 21 is driven to move towards the shrinkage direction of the reset spring 28, and after the L-shaped rotating member 24 is pulled out, the clamping block 21 is reset at the top end of the fixing seat 25 under the reset of the reset spring 28.
In one embodiment, the bottom end of the clamping block 21 is slidably connected to the top end of the fixing seat 25.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (8)
1. The utility model provides a high double-sided photovoltaic module, includes terminal box (10) and battery cluster group (11), battery cluster group (11) encapsulation is between two glass boards (12), battery cluster group (11) are constituteed by a plurality of long battery cluster (13), and every long battery cluster (13) are formed by a plurality of battery piece connection, its characterized in that, positive pole busbar (14) and negative pole busbar (15) are located battery cluster group (11) length direction's both ends to be connected with long battery cluster (13) and are constituteed current circuit, all are connected with terminal box (10) on positive pole busbar (14) and the negative pole busbar (15).
2. The high double-sided photovoltaic module according to claim 1, wherein an insulating waterproof butyl rubber layer (16) is sandwiched between the leading-out position of the glass plate (12) close to the positive bus bar (14) and between the leading-out position of the glass plate (12) close to the negative bus bar (15) and the negative bus bar (15).
3. The high double-sided photovoltaic module according to claim 1, wherein the cell string group (11) is composed of six long cell strings (13), wherein two long cell strings near one side in the width direction of the cell string group (11) are connected to the positive electrode bus bar (14), two long cell strings near the other side in the width direction of the cell string group (11) are connected to the negative electrode bus bar (15), and two long cell strings located in the middle in the width direction of the cell string group (11) are connected between two long cell strings near one side in the width direction of the cell string group (11) and two long cell strings near the other side in the width direction of the cell string group (11).
4. The high bifacial photovoltaic module of claim 1 wherein said cells are bifacial power generating P-type or N-type crystalline silicon cells.
5. The high bifacial photovoltaic module of claim 1, further comprising:
the fixing frame body (17), two glass plates (12) are installed in the fixing frame body (17), and an installation groove (18) for placing the junction box (10) is reserved in the fixing frame body (17).
6. The high double-sided photovoltaic module according to claim 5, wherein a side sealing plate (19) is installed at the notch end of the installation groove (18), a strip-shaped hole (20) is formed in the side sealing plate (19), a clamping block (21) is installed on the inner wall of the installation groove (18) in a resettable manner, a rubber block (22) is installed at the end, close to the junction box (10), of the clamping block (21), a strip-shaped groove (23) is formed in the top end of the clamping block (21), and an L-shaped rotating piece (24) penetrates through the strip-shaped hole (20) and stretches into the strip-shaped groove (23).
7. The high double-sided photovoltaic module according to claim 6, wherein a fixing seat (25) is mounted on the inner wall of the strip-shaped groove (23), a sliding groove (26) is formed in the top end of the fixing seat (25), a sliding block (27) is slidably connected in the sliding groove (26), the sliding block (27) is connected with the bottom end of the clamping block (21), a return spring (28) is mounted in the sliding groove (26), and the return spring (28) is connected between the sliding block (27) and the inner wall of the sliding groove (26).
8. The high bifacial photovoltaic module according to claim 7, wherein the bottom end of the clamping block (21) is slidably connected to the top end of the fixing seat (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322032595.6U CN220672594U (en) | 2023-07-31 | 2023-07-31 | High double-sided photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322032595.6U CN220672594U (en) | 2023-07-31 | 2023-07-31 | High double-sided photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220672594U true CN220672594U (en) | 2024-03-26 |
Family
ID=90333549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322032595.6U Active CN220672594U (en) | 2023-07-31 | 2023-07-31 | High double-sided photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220672594U (en) |
-
2023
- 2023-07-31 CN CN202322032595.6U patent/CN220672594U/en active Active
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