CN108281499A - A kind of photovoltaic cell component of novel circuit design - Google Patents
A kind of photovoltaic cell component of novel circuit design Download PDFInfo
- Publication number
- CN108281499A CN108281499A CN201810195034.9A CN201810195034A CN108281499A CN 108281499 A CN108281499 A CN 108281499A CN 201810195034 A CN201810195034 A CN 201810195034A CN 108281499 A CN108281499 A CN 108281499A
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- Prior art keywords
- battery
- battery strings
- component
- parallel
- photovoltaic
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- 210000003850 cellular structure Anatomy 0.000 title claims abstract description 14
- 210000004027 cell Anatomy 0.000 claims abstract description 38
- 239000011159 matrix material Substances 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/044—PV modules or arrays of single PV cells including bypass diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
-
- 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
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of photovoltaic cell components of novel circuit design, including photovoltaic battery matrix, the photovoltaic battery matrix includes two battery string locations in parallel, each battery string location includes the bypass diode in parallel with battery strings group one-to-one correspondence respectively of m concatenated battery strings groups and m, the integer that each battery strings group includes two parallel arrangements and concatenated battery strings, wherein m are >=1.It present invention can be suitably applied to the battery component of half cell piece component or arbitrary dimension; it can also be used for conventional full wafer cell piece component; so that each battery strings access a bypass diode in parallel; for traditional photovoltaic module; can effectively cell piece be protected when component is blocked with hot spot; component output power and generated energy are improved, while reducing component stack process, improves component production efficiency.
Description
Technical field
The invention belongs to photovoltaic cell technical fields, and in particular to a kind of photovoltaic cell component of novel circuit design.
Background technology
In the course of work of solar cell module, if there is shadow occlusion some or certain solar cells, meeting
Cause the output with the concatenated other batteries of shade battery that can all consume on the battery, this energy expenditure can lead to battery PN
The partial breakdown of knot, and cause hot-spot, here it is hot spot effects.Solar cell meets with due to hot spot effect in order to prevent
It being damaged, common solution is to install bypass diode additional on the basis of primary circuit, when light is not blocked, each two pole
Pipe is in reverse bias, and each battery is producing electricl energy.It can stop producing electricl energy when a battery is blocked, become a height
Valued resistor, while other batteries promote its reverse bias, lead to the diode current flow for connecting battery both ends, flow through and be blocked originally
The electric current of battery shunted by diode.
In the prior art, solar energy half battery photovoltaic module includes multiple battery strings groups, and each battery strings group includes two
A parallel arrangement and concatenated battery strings, the general connection type that a diode is shared using two battery strings group parallel connections, example
In component most of partial occlusion occurs for existing photovoltaic module as shown in Figure 1, only 3 diodes, such circuit
When, component output power can be caused, which to be exported than the component power of conventional full wafer cell piece, to be reduced, and practical application band is thus given
Carry out larger hidden danger, and its terminal box, using 3 Split type connecting boxes with diode, is producing as general components
Lamination process needs artificial bending busbar connecting terminal, manual alignment to be inserted into terminal box busbar hole when busbar is drawn
Human weld, this structure terminal box encapsulation wiring technique are difficult that exploitation is suitble to certainly to artificial bending fitting bus terminal again again after gap
Dynamicization or semi-automatic work machine, be in photovoltaic component encapsulating technique a small number of processes that can not yet realize automated job it
One.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of photovoltaic cell components of novel circuit design, improve photovoltaic
Battery component power output rate.
The technical scheme is that：A kind of photovoltaic cell component of novel circuit design, including photovoltaic battery matrix, institute
It includes two battery string locations in parallel to state photovoltaic battery matrix, each battery string location include m concatenated battery strings groups with
And the m respectively bypass diodes in parallel with battery strings group one-to-ones correspondence, each battery strings group include two and arrange parallel and string
The integer that the battery strings of connection, wherein m are >=1.
The present invention is a kind of photovoltaic cell component of novel circuit design, first connects battery strings group to obtain battery strings list
Member, then two battery string locations are in parallel, and each battery strings group corresponds a bypass in parallel respectively in the present invention
Diode, for the existing connection type for sharing a bypass diode using two battery strings group parallel connections, the present invention
Cell piece can be effectively protected when component is blocked with hot spot, improve component output power and generated energy.
In the present invention there are many connection types of bypass diode, preferably, further include integrated circuit board, it is described integrated
Circuit board is located between two battery string locations, and the corresponding position of the battery string location of the integrated circuit board and both sides is arranged
There are the battery strings pad with the interconnecting strip welding cooperation in battery strings, each battery strings group to correspond two poles of a bypass in parallel
Pipe, anode and cathode two battery strings pads connection corresponding with battery strings group respectively of the bypass diode, so that other
Road diode is in parallel with battery strings group, and the both ends of the integrated circuit board are respectively arranged with draws with the anode of photovoltaic battery matrix
The positive electrode pad that line is connected and the negative electrode pad being connected with the negative outside wire of photovoltaic battery matrix.
The present invention can be connect by integrated circuit board with each battery strings group, in order to be accessed simultaneously to each battery strings group
The bypass diode of connection, when bypass diode accesses so that anode and cathode two batteries corresponding with battery strings group respectively
Series welding disk connects, you can so that bypass diode is in parallel with each battery strings group.The present invention can make each battery strings group connect
Enter bypass diode in parallel, you can convenient for increasing the quantity of bypass diode, improve battery efficiency, and easy to operate, subtract
Few component stack process, improves component production efficiency.Integrated circuit board can be flexible or hardness in the present invention.
Preferably, the m is 3.
Preferably, further including multiple terminal boxes.
Preferably, the terminal box is m, there are two bypass diode, the terminal boxes for setting in each terminal box
Two interior bypass diodes correspond to concatenated two battery strings groups with two battery string locations and are connected in parallel respectively, the side
Corresponding with the battery strings group two battery strings pads connection respectively of the anode and cathode of road diode so that bypass diode and
Battery strings group is in parallel.Bypass diode can also be set in terminal box in the present invention, wherein two sides are arranged in each terminal box
Road diode, two bypass diodes, two battery strings groups corresponding with position in two battery string locations are connected in parallel so that
Each bypass diode one battery strings group of management and control.
In the present invention there are many types of cell piece, using existing a plurality of types of cell pieces, preferably, described
Battery strings include multiple cell pieces being connected in series with, and the cell piece is slice cell piece.
Preferably, the slice cell piece is 1/2 slice cell piece or 1/4 slice cell piece.Slice in the present invention
Cell piece may be other kinds of slice cell piece.
Compared with prior art, beneficial effects of the present invention are embodied in：
It present invention can be suitably applied to the battery component of half cell piece component or arbitrary dimension, it can also be used to conventional full wafer electricity
Pond piece component, the invention enables each battery strings groups to access a bypass diode in parallel, relative to traditional photovoltaic group
For part, cell piece can be effectively protected when component is blocked with hot spot, improve component output power and generated energy, simultaneously
Production technology is greatly simplified, it is easy to operate, component stack process is reduced, component production efficiency is improved.
Description of the drawings
Fig. 1 is the structural schematic diagram of the photovoltaic cell component of the prior art.
Fig. 2 is the structural schematic diagram of the present invention.
Fig. 3 is a kind of structural schematic diagram of embodiment of parallel connection access bypass diode in Fig. 2 of the present invention.
Fig. 4 is the structural schematic diagram of terminal box of the present invention arrangement.
Specific implementation mode
As shown in Figures 2 and 3, the present invention includes photovoltaic battery matrix, and photovoltaic battery matrix includes two batteries in parallel
String location 7, each battery string location 7 include that m concatenated battery strings groups 6 and m correspond simultaneously with battery strings group 6 respectively
The bypass diode 2 of connection, the integer that each battery strings group 6 includes two parallel arrangements and concatenated battery strings, wherein m are >=1.
In the present invention there are many set-up modes of bypass diode, the invention also includes integrated circuit board 1, integrated circuit boards
1 is located between two battery string locations 7, and the corresponding position of integrated circuit board 1 and the battery string location 7 of both sides is provided with and electricity
The battery strings pad 11 of interconnecting strip welding cooperation on the string of pond, each battery strings group 6 correspond a bypass diode in parallel
2, anode and cathode two battery strings pads 11 connection corresponding with battery strings group 6 respectively of bypass diode 2, so that bypass
Diode 2 is in parallel with battery strings group 6, and the both ends of integrated circuit board 1 are respectively arranged with the positive outside wire with photovoltaic battery matrix
The positive electrode pad 12 being connected and the negative electrode pad 13 being connected with the negative outside wire of photovoltaic battery matrix.
Battery strings include multiple cell pieces being connected in series in the present invention, in the present invention there are many types of cell piece, are adopted
With existing a plurality of types of cell pieces, cell piece is slice cell piece, for example, slice cell piece be 1/2 slice cell piece or
1/4 slice cell piece.Slice cell piece in the present invention may be other kinds of slice cell piece.
Bypass diode can be integrated on integrated circuit board by the present invention, and the present invention is by integrated circuit board 1 and each
Battery strings group 6 connects, and makes when bypass diode 2 accesses in order to access bypass diode 2 in parallel to each battery strings group 6
Corresponding with battery strings group 6 two battery strings pads 11 connection respectively of positive and cathode, you can so that bypass diode 2 and
Each battery strings group 6 is in parallel.The present invention can make each battery strings group 6 access bypass diode 2 in parallel, you can convenient for increasing
Add the quantity of bypass diode 2, improve battery efficiency, and easy to operate, reduce component stack process, improves component production effect
Rate.Integrated circuit board 1 can be flexible or hardness in the present invention.Integrated circuit board 11 is encapsulated in two layers of component in the present invention
Among encapsulating material such as EVA, POE, such application can be used for Normal back plate component, can be used for solar double-glass assemblies.
As shown in figure 4, the invention also includes multiple terminal boxes 3.Such as terminal box 3 can be m, in each terminal box 3
There are two bypass diode 2, two bypass diodes 2 in terminal box 3 are corresponding with two battery string locations 7 respectively to go here and there for setting
Two battery strings groups 6 of connection are connected in parallel, the anode and two corresponding with battery strings group 6 respectively, cathode of bypass diode 2
Battery strings pad 11 connects, so that bypass diode 2 is in parallel with battery strings group 6.Bypass diode 2 is set to wiring in the present invention
In box 3, wherein two bypass diodes 2 are arranged in each terminal box 3, position in two bypass diodes 2 and two battery string locations 7
It sets corresponding two battery strings groups 6 to be connected in parallel so that each bypass diode 2 management and control, one battery strings group 6.It is every in the present invention
Multiple battery strings groups 6 can be set, such as m is 3 in a battery string location 7, i.e., can be arranged 3 in each battery string location 7
The anode and cathode of photovoltaic battery matrix can be set to the both ends of integrated circuit board, be located at integrated circuit board by battery strings group 6
Two terminal boxes at both ends are respectively as positive terminal box and negative junction box.
Claims (6)
1. a kind of photovoltaic cell component of novel circuit design, including photovoltaic battery matrix, which is characterized in that the photovoltaic cell
Square formation includes two battery string locations in parallel, each battery string location include m concatenated battery strings groups and m respectively with
Battery strings group corresponds bypass diode in parallel, and each battery strings group includes two parallel arrangements and concatenated battery strings,
The integer that wherein m is >=1.
2. the photovoltaic cell component of novel circuit design as described in claim 1, which is characterized in that further include multiple wiring
Box.
3. the photovoltaic cell component of novel circuit design as claimed in claim 2, which is characterized in that the terminal box is m,
Setting is there are two bypass diode in each terminal box, two bypass diodes in the terminal box respectively with two battery strings
Concatenated two battery strings groups are corresponded in unit to be connected in parallel, the bypass diode anode and cathode respectively with battery strings group
In the connection of corresponding two battery strings pads so that bypass diode is in parallel with battery strings group.
4. the photovoltaic cell component of novel circuit design as claimed in claim 3, which is characterized in that the m is 3.
5. the photovoltaic cell component of novel circuit design as claimed in claim 4, which is characterized in that the battery strings include more
A cell piece being connected in series with, the cell piece are slice cell piece.
6. the photovoltaic cell component of novel circuit design as claimed in claim 5, which is characterized in that the slice cell piece is
1/2 slice cell piece or 1/4 slice cell piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195034.9A CN108281499B (en) | 2018-03-09 | 2018-03-09 | Novel photovoltaic cell assembly with circuit design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195034.9A CN108281499B (en) | 2018-03-09 | 2018-03-09 | Novel photovoltaic cell assembly with circuit design |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108281499A true CN108281499A (en) | 2018-07-13 |
| CN108281499B CN108281499B (en) | 2023-10-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810195034.9A Active CN108281499B (en) | 2018-03-09 | 2018-03-09 | Novel photovoltaic cell assembly with circuit design |
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| Country | Link |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285905A (en) * | 2018-10-31 | 2019-01-29 | 浙江正泰太阳能科技有限公司 | Double generator unit imbrication photovoltaic modulies |
| CN110112239A (en) * | 2019-03-21 | 2019-08-09 | 国家电投集团西安太阳能电力有限公司 | A method of reducing solar cell module power loss |
| CN110212050A (en) * | 2019-06-13 | 2019-09-06 | 天合光能股份有限公司 | A kind of new structure photovoltaic cell component |
| CN111755540A (en) * | 2019-03-29 | 2020-10-09 | 松下电器产业株式会社 | Solar cell module and solar cell system |
| CN114242844A (en) * | 2022-01-04 | 2022-03-25 | 南京日托光伏新能源有限公司 | Method for simultaneously producing multiple versions and multiple quantities of photovoltaic modules |
| CN114373817A (en) * | 2021-12-28 | 2022-04-19 | 北京博瑞原子空间能源科技有限公司 | Standard module for solar array, preparation method thereof and solar array with standard module |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285905A (en) * | 2018-10-31 | 2019-01-29 | 浙江正泰太阳能科技有限公司 | Double generator unit imbrication photovoltaic modulies |
| CN110112239A (en) * | 2019-03-21 | 2019-08-09 | 国家电投集团西安太阳能电力有限公司 | A method of reducing solar cell module power loss |
| CN111755540A (en) * | 2019-03-29 | 2020-10-09 | 松下电器产业株式会社 | Solar cell module and solar cell system |
| CN110212050A (en) * | 2019-06-13 | 2019-09-06 | 天合光能股份有限公司 | A kind of new structure photovoltaic cell component |
| CN114373817A (en) * | 2021-12-28 | 2022-04-19 | 北京博瑞原子空间能源科技有限公司 | Standard module for solar array, preparation method thereof and solar array with standard module |
| CN114242844A (en) * | 2022-01-04 | 2022-03-25 | 南京日托光伏新能源有限公司 | Method for simultaneously producing multiple versions and multiple quantities of photovoltaic modules |
| CN114242844B (en) * | 2022-01-04 | 2023-12-22 | 江苏日托光伏科技股份有限公司 | Method for simultaneously producing multiple photovoltaic modules in multiple formats |
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| Publication number | Publication date |
|---|---|
| CN108281499B (en) | 2023-10-13 |
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