CN209729932U - A kind of no main gate line component - Google Patents
A kind of no main gate line component Download PDFInfo
- Publication number
- CN209729932U CN209729932U CN201920492236.XU CN201920492236U CN209729932U CN 209729932 U CN209729932 U CN 209729932U CN 201920492236 U CN201920492236 U CN 201920492236U CN 209729932 U CN209729932 U CN 209729932U
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- China
- Prior art keywords
- piece
- interconnecting piece
- back side
- cell
- welding
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- Expired - Fee Related
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- 238000003466 welding Methods 0.000 claims abstract description 30
- 229910000679 solder Inorganic materials 0.000 claims abstract description 5
- 230000005855 radiation Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 238000005286 illumination Methods 0.000 abstract description 7
- 239000000306 component Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/52—PV systems with concentrators
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a kind of no main gate line photovoltaic modulies, including muti-piece cell piece (1), multiple cell piece (1) splicings are rectangular and connect, the two is attached by the solder joint (3) that welding (4) are formed between two cell pieces (1) being arbitrarily serially connected, welding (4) includes front interconnecting piece (41), middle part and back side interconnecting piece (42), front interconnecting piece (41) and a cell piece (1) positive thin grid line (2) pass through welded connecting, back side interconnecting piece (42) and the thin grid line (2) at another cell piece (1) back side pass through welded connecting, welding (4) length is fixed, interconnecting piece (41) length in front is less than the length of back side interconnecting piece (42), so that the front face area of front interconnecting piece (41) covering one cell piece (1) is less than back side interconnecting piece (4 2) backside area of another cell piece (1) is covered, thus greatly reduces welding shading-area, ensure that the illumination utilization rate of component.
Description
Technical field
The utility model relates to a kind of photovoltaic module product, in particular to a kind of no main gate line photovoltaic module.
Background technique
Under the global context that current traditional energy growing tension and environment constantly deteriorate, finding new alternative energy source becomes
By to be important, and wherein the utilization of solar energy is especially outstanding.Solar energy is renewable with its, resourceful, safety, clean energy resource
Etc. characteristics be always people concern.With the decline of photovoltaic power generation technology not improved with application cost, photovoltaic power generation oneself complete
Ball spread overwide areas, and under the effect favourable of various countries' policy, when photovoltaic power generation is currently also in rapid growth.
Photovoltaic module is the core component of photovoltaic generating system, its effect is to convert light energy into electric energy, photovoltaic module
Formed by monolithic battery piece by Series Package, high voltage can be obtained by series component, multi-string battery piece carry out it is in parallel and
High current is obtained, existing photovoltaic module generally uses main grid wire bonding welding series cells.
Cell piece is attached by general components using welding, and there are shading phenomenons, will affect the illumination utilization rate of component.
Utility model content
The technical issues of the utility model devises a kind of no main gate line photovoltaic module, solves is that general components use weldering
Cell piece is attached by band, and there are shading phenomenons, will affect the illumination utilization rate of component.
In order to solve above-mentioned technical problem, the utility model uses following scheme:
A kind of no main gate line photovoltaic module, including muti-piece cell piece (1), the front and back of every piece of cell piece (1) all connect
It is connected to a thin grid line (2), multiple cell piece (1) splicings are rectangular and connect, two be arbitrarily serially connected cell piece (1)
Between the two is attached by the solder joint (3) that welding (4) are formed, the welding (4) includes front interconnecting piece (41), intermediate
Portion and back side interconnecting piece (42), the both ends of middle part are connect with front interconnecting piece (41) and back side interconnecting piece (42) respectively, described
Front interconnecting piece (41) and a cell piece (1) positive thin grid line (2) are by being welded to connect, the back side interconnecting piece (42) and another
The thin grid line (2) at one cell piece (1) back side by being welded to connect, fix by welding (4) length, it is characterised in that: it is described just
Interconnecting piece (41) length in face is less than the length of the back side interconnecting piece (42), so that the front interconnecting piece (41) covers a battery
The front face area of piece (1) is less than the backside area that the back side interconnecting piece (42) covers another cell piece (1).
Further, front interconnecting piece (41) length is the length 1/4 to 1/6 of the back side interconnecting piece (42).
Further, the thickness of the front interconnecting piece (41) is greater than the thickness of the back side interconnecting piece (42).
Further, the front interconnecting piece (41) is trapezoidal bulge-structure (43), and one side is equipped with the first reflecting layer (44),
It is right that the front that sunlight is radiated to a cell piece (1) is made up the front interconnecting piece (41) by first reflecting layer (44)
The loss of shading caused by one cell piece (1).
Further, the other side of the front interconnecting piece (41) is equipped with the second reflecting layer (45), second reflecting layer
(45) front that sunlight is radiated to another cell piece (1) is increased to the amount of radiation of sunlight.
Further, a part of the front interconnecting piece (41) is located at the front of a cell piece (1), and another part is located at
Above gap between two cell pieces (1).
This has the advantages that without main gate line photovoltaic module
(1) front face area that the utility model makes the front interconnecting piece of welding cover a cell piece is less than back side interconnecting piece
The backside area of another cell piece is covered, thus greatly reduces welding shading-area, ensure that the illumination utilization rate of component.
(2) the utility model makes the front interconnecting piece welding position of welding simultaneously only only a part is being located at cell piece just
Face, the gap that a part is located between two cell pieces will not influence the illumination utilization rate of component.
(3) the utility model sets tool there are two the trapezoidal bulge-structure in reflecting layer for front interconnecting piece, and reflecting layer can
Photoelectric conversion is carried out on cell piece to reflex to sunlight, the shading made up influences and increases the amount of radiation of sunlight.
(4) thickness of the utility model front interconnecting piece is greater than the thickness of back side interconnecting piece, it is ensured that has enough welding
Firmness.
Detailed description of the invention
Fig. 1: structural schematic diagram of the utility model without main gate line photovoltaic module；
Fig. 2: the first structural schematic diagram of welding in the utility model；
Fig. 3: second of structural schematic diagram of welding in the utility model.
Description of symbols:
1-cell piece；2-thin grid lines；3-solder joints；4-weldings；41-front interconnecting pieces；42-back side interconnecting pieces；
43-trapezoidal bulge-structures；44-the first reflecting layer；45-the second reflecting layer.
Specific embodiment
Below with reference to Fig. 1 to Fig. 3, the utility model is described further:
As shown in Figure 1, a kind of no main gate line photovoltaic module, including muti-piece cell piece 1, the front of every piece of cell piece 1 and back
Face is all connected with a thin grid line 2, and multiple cell pieces 1 splice rectangular and connect, two be arbitrarily serially connected cell piece 1
Between the solder joint 3 that is formed by welding 4 the two is attached.
As shown in Fig. 2, the first structure of welding 4: intermediate including front interconnecting piece 41, middle part and back side interconnecting piece 42
The both ends in portion are connect with front interconnecting piece 41 and back side interconnecting piece 42 respectively, and front interconnecting piece 41 and a cell piece 1 are positive thin
Grid line 2 is by being welded to connect, and for the thin grid line 2 at back side interconnecting piece 42 and another 1 back side of cell piece by being welded to connect, welding 4 is long
Degree is fixed, and interconnecting piece 41 length in front is less than the length of back side interconnecting piece 42, so that front interconnecting piece 41 covers a cell piece 1
Front face area is less than the backside area that back side interconnecting piece 42 covers another cell piece 1.The utility model makes the front of welding even
The front face area that socket part covers a cell piece is less than back side interconnecting piece and covers the backside area of another cell piece, thus greatly reduces
Welding shading-area ensure that the illumination utilization rate of component.
Interconnecting piece 41 length in front is the length 1/4 to 1/6 of back side interconnecting piece 42.Shielded area may be implemented most in the ratio
It is small, while can also have enough firm welding degree.
As shown in figure 3, second of the structure of welding 4: intermediate including front interconnecting piece 41, middle part and back side interconnecting piece 42
The both ends in portion are connect with front interconnecting piece 41 and back side interconnecting piece 42 respectively, and front interconnecting piece 41 and a cell piece 1 are positive thin
Grid line 2 is by being welded to connect, and for the thin grid line 2 at back side interconnecting piece 42 and another 1 back side of cell piece by being welded to connect, welding 4 is long
Degree is fixed, and interconnecting piece 41 length in front is less than the length of back side interconnecting piece 42, so that front interconnecting piece 41 covers a cell piece 1
Front face area is less than the backside area that back side interconnecting piece 42 covers another cell piece 1.The thickness of front interconnecting piece 41 is greater than the back side
The thickness of interconnecting piece 42.
Front interconnecting piece 41 is trapezoidal bulge-structure 43, and one side is equipped with the first reflecting layer 44, and the first reflecting layer 44 will too
The front that sunlight is radiated to a cell piece 1 makes up front interconnecting piece 41 and loses to shading caused by a cell piece 1.Front interconnecting piece
41 other side is equipped with the second reflecting layer 45, and the second reflecting layer 45 increases in the front that sunlight is radiated to another cell piece 1 too
The amount of radiation of sunlight.The utility model sets front interconnecting piece in the trapezoidal bulge-structure for having there are two reflecting layer, reflecting layer
Sunlight can be reflexed to and carry out photoelectric conversion on cell piece, the shading made up influences and increases the amount of radiation of sunlight.
A part of front interconnecting piece 41 is located at the front of a cell piece 1, and another part is located between two cell pieces 1
Gap above.The utility model makes the front interconnecting piece welding position of welding simultaneously, and only only a part is being located at cell piece just
Face, the gap that a part is located between two cell pieces will not influence the illumination utilization rate of component.
Illustrative description has been carried out to the utility model above in conjunction with attached drawing, it is clear that the realization of the utility model not by
The limitation of aforesaid way, if the method concept of the utility model and the various improvement of technical solution progress are used, or without
It improves and the conception and technical scheme of the utility model is directly applied into other occasions, in the protection scope of the utility model
It is interior.
Claims (6)
1. a kind of no main gate line photovoltaic module, including muti-piece cell piece (1), the front and back of every piece of cell piece (1) all connect
Have a thin grid line (2), multiple cell pieces (1) splicings are rectangular and connect, two be arbitrarily serially connected cell piece (1) it
Between by welding (4) formed solder joint (3) the two is attached, the welding (4) includes front interconnecting piece (41), middle part
With back side interconnecting piece (42), the both ends of middle part are connect with front interconnecting piece (41) and back side interconnecting piece (42) respectively, it is described just
Face interconnecting piece (41) and a cell piece (1) positive thin grid line (2) by being welded to connect, the back side interconnecting piece (42) with it is another
The thin grid line (2) at cell piece (1) back side is by being welded to connect, and welding (4) length is fixed, it is characterised in that: the front
Interconnecting piece (41) length is less than the length of the back side interconnecting piece (42), so that the front interconnecting piece (41) covers a cell piece
(1) front face area is less than the backside area that the back side interconnecting piece (42) covers another cell piece (1).
2. according to claim 1 without main gate line photovoltaic module, it is characterised in that: front interconnecting piece (41) length is institute
State the length 1/4 to 1/6 of back side interconnecting piece (42).
3. no main gate line photovoltaic module according to claim 1 or claim 2, it is characterised in that: the thickness of the front interconnecting piece (41)
Degree is greater than the thickness of the back side interconnecting piece (42).
4. according to claim 3 without main gate line photovoltaic module, it is characterised in that: the front interconnecting piece (41) is trapezoidal convex
It rises structure (43), one side is equipped with the first reflecting layer (44), and sunlight is radiated to an electricity by first reflecting layer (44)
The front of pond piece (1) makes up the front interconnecting piece (41) and loses to shading caused by a cell piece (1).
5. according to claim 4 without main gate line photovoltaic module, it is characterised in that: the other side of the front interconnecting piece (41)
Equipped with the second reflecting layer (45), second reflecting layer (45) increases the front that sunlight is radiated to another cell piece (1)
Add the amount of radiation of sunlight.
6. according to claim 5 without main gate line photovoltaic module, it is characterised in that: a part of the front interconnecting piece (41)
Positioned at the front of a cell piece (1), another part is located above the gap between two cell pieces (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920492236.XU CN209729932U (en) | 2019-04-12 | 2019-04-12 | A kind of no main gate line component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920492236.XU CN209729932U (en) | 2019-04-12 | 2019-04-12 | A kind of no main gate line component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209729932U true CN209729932U (en) | 2019-12-03 |
Family
ID=68691473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920492236.XU Expired - Fee Related CN209729932U (en) | 2019-04-12 | 2019-04-12 | A kind of no main gate line component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209729932U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11973150B2 (en) | 2021-08-27 | 2024-04-30 | Shanghai Jinko Green Energy Enterprise Management Co., Ltd. | Solar cell and solar cell module |
| US12464832B2 (en) | 2024-02-27 | 2025-11-04 | Longi Solar Technology (Jia Xing) Co., Ltd. | Photovoltaic module |
-
2019
- 2019-04-12 CN CN201920492236.XU patent/CN209729932U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11973150B2 (en) | 2021-08-27 | 2024-04-30 | Shanghai Jinko Green Energy Enterprise Management Co., Ltd. | Solar cell and solar cell module |
| US12464832B2 (en) | 2024-02-27 | 2025-11-04 | Longi Solar Technology (Jia Xing) Co., Ltd. | Photovoltaic module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20210412 |
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| CF01 | Termination of patent right due to non-payment of annual fee |