CN208674149U - It is sliced battery photovoltaic module - Google Patents
It is sliced battery photovoltaic module Download PDFInfo
- Publication number
- CN208674149U CN208674149U CN201821368635.7U CN201821368635U CN208674149U CN 208674149 U CN208674149 U CN 208674149U CN 201821368635 U CN201821368635 U CN 201821368635U CN 208674149 U CN208674149 U CN 208674149U
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- Prior art keywords
- photovoltaic module
- battery
- slice
- battery strings
- groups
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- 239000002313 adhesive film Substances 0.000 claims abstract description 24
- 238000004806 packaging method and process Methods 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 19
- 229920002521 macromolecule Polymers 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of slice battery photovoltaic module, the photovoltaic module includes upper layer glass, upper layer packaging adhesive film, one third slice cell array layer, lower layer's packaging adhesive film, backboard and the terminal box for being set to the backing plate outer from top to bottom set gradually, wherein: the one third slice cell array layer includes the big column battery strings of three groups of parallel arrangements, and the three groups big column battery strings are parallel between the positive electrode and negative electrode of the terminal box；The big column battery strings are composed in series by two groups of single-row battery strings.The maximum current that slice battery photovoltaic module in the utility model can pass through conducting medium is reduced to the one third of full wafer battery component, effectively reduce the ohmic loss on conducting medium, and then the generated output of photovoltaic module can be made significantly to be promoted, and its manufacture craft is simple, the cost of raw material is lower, is suitable for volume production.
Description
Technical field
The utility model relates to photovoltaic modulies to manufacture field, more particularly to a kind of slice battery photovoltaic module.
Background technique
It is encapsulated by glass and back board structure doubling, intermediate composite crystal silicon solar cell array forms composite layer, electricity
Collect the integrated member of lead end, referred to as Crystalline Silicon PV Module between the piece of pond by conducting wire series and parallel.
Demand with market to high-power photovoltaic module grows in intensity, and photovoltaic module manufacturer opens to high power light
Lie prostrate the road of component probed into.From the principle of photovoltaic module generating efficiency, electricity optimization and optical gain become breakthrough side
To slice battery component comes into being.
For existing slice battery component mainly based on half battery forms, which gives component power bring in the market
Gain effect is by the pro-gaze of component manufacturer, and to guarantee that component unit for electrical property parameters is consistent with full wafer battery component, edition type is set
Meter is also cut half this process because of battery and is changed, while the design of any half component version type is all added significantly to half group
The manufacture difficulty of part, therefore production capacity and yield factor restrict always the development of half component.
Battery component is sliced for one third, edition type structure relative to full wafer component without excessive difference, and power
Gain be greater than half battery component, in component market there are also very big development space.But existing one third slice electricity
Pond component is usually to be composed in series by two groups of battery strings arrays, at work, flows through the electricity of conducting medium between two battery strings
Flow larger, thus its ohmic loss is also larger, this leads to it, and not only generated output is relatively low, and the stability of photovoltaic module is owed
It is good, it is not suitable for volume production.
Utility model content
The utility model provides a kind of generating efficiency height and the slice battery photovoltaic module suitable for volume production, the photovoltaic group
Part includes upper layer glass, upper layer packaging adhesive film, one third slice the cell array layer from top to bottom set gradually, lower layer's encapsulation
Glue film, backboard and the terminal box for being set to backing plate outer, in which:
The one third slice cell array layer includes the big column battery strings of three groups of parallel arrangements, the three groups big column electricity
Pond is in series and parallel between the positive electrode and negative electrode of the terminal box；
The big column battery strings are composed in series by two groups of single-row battery strings.
In specific implementation, the polarity of each big column battery strings is opposite with the adjacent big column battery strings.
In specific implementation, two groups of single-row battery strings are arranged side by side and polarity is opposite.
In specific implementation, the single-row battery strings are composed in series by 30 one third slice batteries.
In specific implementation, the one third slice battery is composed in series single-row battery strings by interconnecting strip.
In specific implementation, the single-row battery strings are composed in series big column battery strings by busbar.
In specific implementation, bypass diode is additionally provided in the terminal box, the bypass diode is parallel to described connect
Between the positive electrode and negative electrode of wire box.
In specific implementation, the upper layer glass is ultrawhite woven design tempering upper layer glass.
In specific implementation, the backboard is macromolecule backboard or glass back plate.
In specific implementation, the upper layer packaging adhesive film and lower layer's packaging adhesive film are EVA adhesive film.
Slice battery photovoltaic module provided by the utility model, including from top to bottom set gradually upper layer glass, upper layer
Packaging adhesive film, one third slice cell array layer, lower layer's packaging adhesive film, backboard and the terminal box for being set to backing plate outer,
One third slice cell array layer includes three groups of parallel arrangements and is parallel between the positive electrode and negative electrode of the terminal box
Big column battery strings, the big column battery strings are composed in series by two groups of single-row battery strings.Slice cell photovoltaic group in the utility model
The maximum current that part can pass through conducting medium is reduced to the one third of full wafer battery component, effectively reduces conductive Jie
Ohmic loss in matter, and then the generated output of photovoltaic module can be made significantly to be promoted, and its manufacture craft is simple, former material
Cost is relatively low for material, is suitable for volume production.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be only that some specific embodiments of the utility model are not being paid for those of ordinary skill in the art
Out under the premise of creative work, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is according to the cross-section structure signal for being sliced battery photovoltaic module in one specific embodiment of the utility model
Figure；
Fig. 2 is according to the Facad structure signal for being sliced battery photovoltaic module in one specific embodiment of the utility model
Figure；
Fig. 3 is according to the electrical block diagram for being sliced battery photovoltaic module in one specific embodiment of the utility model
Figure；
Fig. 4 is according to the back schematic diagram figure for being sliced battery photovoltaic module in one specific embodiment of the utility model；
Fig. 5 is the circuit diagram according to terminal box in one specific embodiment of the utility model.
Specific embodiment
For the purposes, technical schemes and advantages of specific embodiment of the present invention are more clearly understood, below with reference to
Attached drawing is described in further details specific embodiment of the present invention.Here, the schematic specific implementation of the utility model
Mode and its explanation are not intended to limit the scope of the present invention for explaining the utility model.
As shown in Figure 1 and Figure 2, the utility model provides a kind of generating efficiency height and the slice cell photovoltaic suitable for volume production
Component, the photovoltaic module include that the upper layer glass 100, upper layer packaging adhesive film 200, one third from top to bottom set gradually is cut
Piece cell array layer 300, lower layer's packaging adhesive film 400, backboard 500 and the terminal box 600 being set to outside backboard 500, in which:
The big column battery strings 301 of the one third slice cell array layer 300 including three groups of parallel arrangements, described three groups
Big column battery strings 301 are parallel between the positive electrode and negative electrode of the terminal box 600；
The big column battery strings are composed in series by two groups of single-row battery strings.
In specific implementation, when one third slice 303 array layer 300 of battery is arranged, the arrangement of major column battery strings 301
It can be there are many embodiment.For example, in order to enable its layout is more reasonable, while the use of conducting medium can be saved, and
The stability of photovoltaic module is promoted, the polarity of major column battery strings 301 can be opposite with adjacent big column battery strings 301.
In specific implementation, the setting of major column battery strings 301 can be there are many embodiment.For example, such as Fig. 2, Fig. 3 and figure
Shown in 4, in order to enable the interior layout of big column battery strings 301 rationally and saves conducting medium, the big column battery strings 301 can be with
It is arranged side by side by two groups and opposite polarity single-row battery strings 302 is composed in series, is i.e. two groups of single-row battery strings 302 are situated between by conductive
The U-shaped connection of matter forms big column battery strings 301.
In specific implementation, in single-row battery strings 302 one third slice 303 quantity of battery setting can there are many implement
Scheme.For example, as shown in Figures 2 and 3, in order to enable the photovoltaic module of the utility model is identical as the electrical property of general components, it can
It is used with compatible with general components, thus the single-row battery strings 302 can be sliced 303 series connection group of battery by 30 one thirds
At.
In specific implementation, one third slice battery 303 can be composed in series single-row battery strings by a variety of conducting mediums
302.For example, since the width of interconnecting strip and the main gate line of cell piece are identical, thus 30 one thirds are sliced battery 303
Single-row battery strings 302 can be composed in series by interconnecting strip.
In specific implementation, single-row battery strings 302 can be composed in series big column battery strings 301 by a variety of conducting mediums.Example
Such as, since busbar has, induction reactance is low, anti-interference, High frequency filter effect is good, high reliablity, to save space, assembly succinct quick
Equal excellent characteristics, thus the single-row battery strings 302 can be composed in series big column battery strings 301 by busbar.
In specific implementation, photovoltaic module is burnt because of hot spot effect in order to prevent, and a bypass diode can also be arranged
601.The setting of bypass diode 601 can there are many embodiments, for example, as shown in figure 5, bypass diode 601 can be set
Be placed in inside terminal box 600, meanwhile, the bypass diode 601 can be parallel to the terminal box 600 positive electrode and negative electrode it
Between.
In specific implementation, the selection of upper layer glass 100 can be there are many embodiment.For example, in order to guarantee upper layer glass
100 translucency, promotes the light utilization efficiency of photovoltaic module, and the upper layer glass 100 can be ultrawhite woven design tempering upper layer glass.
In specific implementation, the selection of backboard 500 can be there are many embodiment.For example, the backboard 500 can be high score
Sub- backboard or glass back plate.Further, the macromolecule backboard can be TPT backboard, TPE backboard, TPC backboard, KPK back
Plate, KPE backboard, KPF backboard FEVE fluorocarbon coating backboard, PET backboard or polyamide backboard.
In specific implementation, the selection of the upper layer packaging adhesive film 200 and lower layer's packaging adhesive film 400 can be there are many embodiment party
Case.For example, due to EVA adhesive film adhesion strength, durability, in terms of the superiority that has, the upper layer packaging plastic
Film 200 and lower layer's packaging adhesive film 400 can be EVA adhesive film.
In specific implementation, photovoltaic module in the utility model the production method is as follows:
Step 1: one third is sliced battery 303, single-row battery strings 302 is welded by interconnecting strip series connection；
Wherein, each slice battery photovoltaic module needs 180 pieces of one thirds slice batteries 303 altogether, be welded into 6 groups it is single-row
Battery strings 302, each group of interior 30 one thirds of setting of single-row battery strings 302 are sliced batteries 303.
Step 2: laying upper layer glass 100 and upper layer packaging adhesive film 200.
Step 3: by be welded 6 groups of single-row 302 parallel arrangements of battery strings in photovoltaic module, wherein 6 groups of strings are single-row
Polarity of the battery strings 302 on photovoltaic module head is "+-- ++-", and tail portion is "-++ --+".At this point it is possible to component
(i.e. first to the 6th group of single-row battery strings 302) are from top to bottom numbered in the single-row battery strings 302 of interior 6 groups.
Step 4: carrying out the welding of busbar and extraction wire to the single-row battery strings of each group 302, forms the big of three groups of parallel connections
Column battery strings 301；Wherein, first by first and second single-row battery strings 302, third and the 4th single-row battery strings the 302, the 5th with
The tail portion of 6th single-row battery strings 302 carries out series connection welding by busbar respectively, to form three groups big column battery strings 301.
Then second is welded with the single-row battery strings the 302, the 4th of third and the head of the 5th battery strings by busbar again；Most
Afterwards, the head of the first, the 6th single-row battery strings 302 and second with the single-row battery strings the 302, the 4th of third and the 5th battery
Extraction wire is welded at the busbar on string head, totally 4 extraction wires.
Step 5: extraction wire is pierced by by laying lower layer's packaging adhesive film 400 and backboard 500 from the tapping of backboard 500.
Step 6: lamination.
Step 7: to photovoltaic module carry out chamfered edge, frame up and outside backboard 500 install terminal box 600.Wherein, 4 are drawn
Conducting wire needs to be connected at 4 connecting terminals of terminal box 600 out.4 connecting terminals can be first to fourth connecting terminal,
First and third connecting terminal be connected with the cathode of terminal box 600, second and the 4th connecting terminal and terminal box 600 positive phase
Connect, thus 4 extraction wires need to be connected with corresponding polar connecting terminal.Herein it should be noted that 4 conducting wires are in photovoltaic
Component internal need to be only in turn connected at the connecting terminal of terminal box 600 without being superimposed wiring, avoid drawing and lead
Line forms short circuit inside photovoltaic module, can significantly promote the stability of photovoltaic module.
In conclusion slice battery photovoltaic module provided by the utility model, including the upper layer from top to bottom set gradually
Glass 100, upper layer packaging adhesive film 200, one third are sliced 303 array layer 300 of battery, lower layer's packaging adhesive film 400, backboard 500
And it is set to the terminal box 600 outside backboard 500, it includes three groups of parallels which, which is sliced 303 array layer 300 of battery,
Cloth and the big column battery strings 301 between the positive electrode and negative electrode of the terminal box 600 are parallel to, the big column battery strings 301 are by two groups
Single-row battery strings 302 are composed in series.Slice battery photovoltaic module in the utility model can pass through conducting medium most
High current is reduced to the one third of full wafer battery component, effectively reduces the ohmic loss on conducting medium, and then can make
The generated output for obtaining photovoltaic module is significantly promoted and (promotes 10W compared with full wafer battery component), and its manufacture craft is simple, raw material
Cost is relatively low, is suitable for volume production.
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of slice battery photovoltaic module, which is characterized in that the photovoltaic module includes the upper layer from top to bottom set gradually
Glass (100), upper layer packaging adhesive film (200), one third slice cell array layer (300), lower layer's packaging adhesive film (400), back
Plate (500) and the terminal box (600) for being set to the backboard (500) outside, in which:
One third slice cell array layer (300) includes the big column battery strings (301) of three groups of parallel arrangements, and described three groups
Big column battery strings (301) are parallel between the positive electrode and negative electrode of the terminal box (600)；
The big column battery strings (301) are composed in series by two groups of single-row battery strings (302).
2. slice battery photovoltaic module as described in claim 1, which is characterized in that the pole of each big column battery strings (301)
Property is opposite with adjacent big column battery strings (301).
3. slice battery photovoltaic module as described in claim 1, which is characterized in that two groups of single-row battery strings (302) are simultaneously
Row is arranged and polarity is opposite.
4. slice battery photovoltaic module as described in claim 1, which is characterized in that the single-row battery strings (302) are by 30
One third slice battery (303) is composed in series.
5. slice battery photovoltaic module as claimed in claim 3, which is characterized in that the one third is sliced battery (303)
Single-row battery strings (302) are composed in series by interconnecting strip.
6. slice battery photovoltaic module as described in claim 1, which is characterized in that the single-row battery strings (302) pass through remittance
Stream item is composed in series big column battery strings (301).
7. slice battery photovoltaic module as described in claim 1, which is characterized in that be additionally provided in the terminal box (600)
Bypass diode (601), the bypass diode (601) are parallel between the positive electrode and negative electrode of the terminal box (600).
8. slice battery photovoltaic module as described in claim 1, which is characterized in that the upper layer glass (100) is ultrawhite cloth
Line tempering upper layer glass.
9. slice battery photovoltaic module as described in claim 1, which is characterized in that the backboard (500) is macromolecule backboard
Or glass back plate.
10. as described in claim 1 slice battery photovoltaic module, which is characterized in that the upper layer packaging adhesive film (200) and under
Layer packaging adhesive film (400) is EVA adhesive film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821368635.7U CN208674149U (en) | 2018-08-23 | 2018-08-23 | It is sliced battery photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821368635.7U CN208674149U (en) | 2018-08-23 | 2018-08-23 | It is sliced battery photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208674149U true CN208674149U (en) | 2019-03-29 |
Family
ID=65839463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821368635.7U Active CN208674149U (en) | 2018-08-23 | 2018-08-23 | It is sliced battery photovoltaic module |
Country Status (1)
| Country | Link |
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| CN (1) | CN208674149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023217908A1 (en) * | 2022-05-10 | 2023-11-16 | Solarnative GmbH | Photovoltaic module with shade-tolerant cell-string layout |
-
2018
- 2018-08-23 CN CN201821368635.7U patent/CN208674149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023217908A1 (en) * | 2022-05-10 | 2023-11-16 | Solarnative GmbH | Photovoltaic module with shade-tolerant cell-string layout |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHEJIANG ASTRONERGY NEW ENERGY DEVELOPMENT Co.,Ltd. Assignor: Chint Solar (Zhejiang) Co.,Ltd. Contract record no.: X2021330000161 Denomination of utility model: Chip cell photovoltaic module Granted publication date: 20190329 License type: Common License Record date: 20210828 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220701 Address after: 314417 No. 1 Jisheng Road, Jiaxing City, Zhejiang Province Patentee after: Zhengtai Xinneng Technology Co.,Ltd. Address before: 310053 No. 1335 Bin'an Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: CHINT SOLAR (ZHEJIANG) Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314417 No. 1 Jisheng Road, Jiaxing City, Zhejiang Province Patentee after: Zhengtai Xinneng Technology Co.,Ltd. Address before: 314417 No. 1 Jisheng Road, Jiaxing City, Zhejiang Province Patentee before: Zhengtai Xinneng Technology Co.,Ltd. |