CN106920858A - A kind of Novel double-glazed photovoltaic module - Google Patents
A kind of Novel double-glazed photovoltaic module Download PDFInfo
- Publication number
- CN106920858A CN106920858A CN201710126014.1A CN201710126014A CN106920858A CN 106920858 A CN106920858 A CN 106920858A CN 201710126014 A CN201710126014 A CN 201710126014A CN 106920858 A CN106920858 A CN 106920858A
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- CN
- China
- Prior art keywords
- glass
- bypass diode
- rearmounted
- solar cell
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011521 glass Substances 0.000 claims abstract description 51
- 239000002313 adhesive film Substances 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 5
- 210000004027 cell Anatomy 0.000 description 24
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004984 smart glass Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
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- 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
- H01L31/048—Encapsulation of modules
- H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
-
- 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)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of Novel double-glazed photovoltaic module, including front glass, preposition EVA adhesive film, solar battery sheet, rearmounted EVA adhesive film, rearmounted glass, described rearmounted glass front is provided with several grooves, a bypass diode is provided with each groove, bypass diode is arranged on non-solar cell batteries panel region.Described rearmounted glass back is provided with cable and connector.Described solar battery sheet is composed in series multiple solar cell strings using welding, and each solar cell string is connected using some convergent belts respectively in the upper and lower part of component.Each described bypass diode is connected with corresponding solar cell connection in series-parallel respectively, and bypass diode positive pole and negative pole connect the negative pole and positive pole for corresponding to solar cell string respectively.The present invention sets groove by rearmounted glass, and more bypass diode is built in into component internal, and optimal defencive function is provided to component; ensure the peak power output of component; in addition terminal box is saved, the cost of component is reduced, while the reliability of component also gets a promotion.
Description
Technical field
The present invention relates to technical field of solar, more particularly to a kind of Novel double-glazed photovoltaic module.
Background technology
Solar energy is of increased attention in recent years as one kind cleaning, free of contamination renewable new energy, light
The range of application for lying prostrate component is more and more extensive.Mainstream applications is Crystalline Silicon PV Module in the market, according to its structure
Difference, can be divided into single glass photovoltaic module and double glass photovoltaic modulies, and single glass photovoltaic module occupies the larger market share.
Double glass photovoltaic modulies refer to and constitute composite bed by two sheet glass and solar battery sheet, between cell piece by wire string,
Parallel connection is pooled to the photovoltaic cell component that lead end is formed.The solar double-glass assemblies of early stage are due to the photovoltaic glass of the standard before and after
Glass, so weight is big, carries inconvenient.Simultaneously because cannot solve due to power loss caused by light leak between cell piece, so
Never form large-scale volume production.With the continuous progress of technology, double glass photovoltaic modulies are increasingly popularized, solar double-glass assemblies warp
Before breeding for many years has gone to platform from after platform finally.
The structure of solar double-glass assemblies is to be followed successively by protecgulum glass sheet-upper strata encapsulating material-cell piece-lower floor encapsulation from top to bottom
Material-bonnet glass sheet and terminal box.Bypass diode being configured with terminal box, being sent out during for preventing cell piece to be blocked by shadow
Give birth to hot spot effect and wreck.General double glass photovoltaic modulies are installed on solar energy smart window, solar energy wayside pavilion and glass architecture
Ceiling, and glass curtain wall etc., larger terminal box is installed on the back side of component, is an impediment to the attractive in appearance of component, and influence
The light transmittance of component.Terminal box is arranged on module backside, and its poor heat-sinking capability causes tray interior with temperature higher,
This can directly influence the cell piece in this region, cause the mismatch between cell piece, reduce the power output of component.Although wiring
Bypass diode in box can protect cell piece when generation is blocked, but due to bypass diode Limited Number, in such case
Lower component still has larger power loss.
The content of the invention
For problem above, it is an object of the invention to provide a kind of Novel double-glazed photovoltaic module, set by glass
Groove is put, more bypass diode is built in component internal, optimal defencive function is provided to component, while ensureing component
Still there is larger power output when there is shadow occlusion, the terminal box of module backside is saved in addition, reduce the cost of component.
The present invention realizes that the technical scheme of above-mentioned purpose is as follows：
A kind of Novel double-glazed photovoltaic module, including front glass, preposition EVA adhesive film, solar battery sheet, rearmounted EVA adhesive film, after
Put glass, it is characterised in that：Described rearmounted glass front is provided with several grooves, and a bypass two is provided with each groove
Pole pipe, described rearmounted glass back is provided with cable and connector.
Described solar battery sheet is composed in series multiple solar cell strings using welding, in the upper and lower part of component
Each solar cell string is connected using some convergent belts respectively.
Each described bypass diode respectively with corresponding solar cell connection in series-parallel connect, bypass diode positive pole and
Negative pole connects the negative pole and positive pole of correspondence solar cell string respectively.
Described bypass diode is arranged on non-solar cell batteries panel region.
Described bypass diode is paster Schottky diode.
Described rearmounted glass is provided with two through holes, and convergent belt leads to rearmounted glass back and and cable from this through hole
Connection.
Beneficial effects of the present invention are as follows：The groove of bypass diode is placed by being set in rearmounted glass front, can be with
The bypass diode in terminal box that general components are used is introduced to component internal, on the one hand can be set more in component internal
Many bypass diodes, optimal defencive function is provided to solar battery sheet, is at utmost reduced and is blocked to component output
Influence, ensures the peak power output of component as far as possible；On the other hand the terminal box of module backside can be saved, lifting assembly
Cosmetic look, reduces the cost of component；Further, since solar double-glass assemblies have good heat-sinking capability, can in time by component
The heat that internal by-pass diode is produced conducts the junction temperature that bypass diode is reduced to external environment condition, it is ensured that bypass diode
Reliability and the life-span, reduce the incidence of failure.
Brief description of the drawings
Fig. 1 is generalized section of the invention.
Fig. 2 is schematic rear view of the invention.
In figure, 1 is front glass, and 2 is preposition EVA adhesive film, and 3 is solar battery sheet, and 4 is rearmounted EVA adhesive film, after 5 are
Glass is put, 6 is groove, and 7 is bypass diode, and 8 is cable, and 9 is connector, and 10 is welding, and 11 is solar cell string, and 12 are
Convergent belt, 13 is through hole.
Specific embodiment
To further appreciate that technical characteristic of the invention and content, illustrate below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of Novel double-glazed photovoltaic module, including front glass 1, preposition EVA adhesive film 2, solar energy
Cell piece 3, rearmounted EVA adhesive film 4, rearmounted glass 5, described rearmounted glass front are provided with several grooves 6, are set in each groove
A bypass diode 7 is equipped with, described rearmounted glass back is provided with cable 8 and connector 9.
Described solar battery sheet is composed in series multiple solar cell strings 11 using welding 10, on the top of component and
Each solar cell string is connected using some convergent belts 12 respectively bottom.It is arranged on by each in rearmounted glass groove
Road diode is connected with corresponding solar cell connection in series-parallel respectively, and bypass diode positive pole connects with the negative pole of solar cell string
Connect, bypass diode negative pole is connected with the positive pole of solar cell string, so bypass two when solar battery sheet normal work
Pole pipe is in reverse-biased；And part solar battery sheet is blocked in working as the solar cell string in parallel with bypass diode
When, there is cause thermal damage because of hot spot effect to prevent these cell pieces, bypass diode now in parallel will forward conduction,
Make the electric current for flowing through the cell piece that is blocked originally be bypassed diode to shunt.The bypass diode is preferably the pole of paster Schottky two
Pipe.Described rearmounted glass is provided with two through holes 13, and two convergent belts after each solar cell string series connection draw from this through hole
Go out to rearmounted glass back and be connected with external cable.
The present invention places the groove of bypass diode by being set in rearmounted glass front, can be embedded in bypass diode
To component internal, and bypass diode quantity and position can arbitrarily set according to actual needs, therefore can be by sum
Measure fixed solar battery sheet and be divided into more solar cell strings, even if the solar battery sheet in component is hidden by shade
Gear, but it is this block the influence very little brought, so component still has very big power output in this case.Due in component
Portion is provided with bypass diode, and bypass diode is arranged on non-battery panel region, therefore can remove the general components back side
The terminal box for using, reduces the cost of component to a certain extent, at the same terminal box produce heat cause cell piece mismatch this
Plant influence also not existed, the power output of component is improved indirectly.Other solar double-glass assemblies are caused by good heat-sinking capability
Bypass diode has lower junction temperature, it is ensured that the reliability of bypass diode and life-span, reduces the incidence of failure, carries
The reliability of component is risen.
Embodiments of the present invention not limited to this, the above of the invention, according to the state of the art and
Knowledge, with reference to basic thought technology of the invention, can be adjusted to the mode of built-in bypass diode and position, and these change
Change or improvement should belong within this patent protection domain.
Claims (6)
1. a kind of Novel double-glazed photovoltaic module, including front glass, preposition EVA adhesive film, solar battery sheet, rearmounted EVA adhesive film,
Rearmounted glass, it is characterised in that：Described rearmounted glass front is provided with several grooves, and a bypass is provided with each groove
Diode, described rearmounted glass back is provided with cable and connector.
2. glass photovoltaic modulies as claimed in claim 1 double, it is characterised in that：Described solar battery sheet uses welding string
Joint group is respectively entered each solar cell string using some convergent belts in the upper and lower part of component into multiple solar cell strings
Row series connection.
3. glass photovoltaic modulies as claimed in claim 1 double, it is characterised in that：Each described bypass diode respectively with it is right
The solar cell connection in series-parallel answered is connected, bypass diode positive pole and negative pole connect respectively correspondence solar cell string negative pole and
Positive pole.
4. glass photovoltaic modulies as claimed in claim 1 double, it is characterised in that：Described bypass diode is arranged on non-solar
Can battery panel region.
5. glass photovoltaic modulies as claimed in claim 1 double, it is characterised in that：Described bypass diode is paster Schottky
Diode.
6. glass photovoltaic modulies as claimed in claim 1 double, it is characterised in that：Described rearmounted glass is provided with two through holes,
Convergent belt leads to rearmounted glass back and and cable connection from this through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710126014.1A CN106920858A (en) | 2017-03-05 | 2017-03-05 | A kind of Novel double-glazed photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710126014.1A CN106920858A (en) | 2017-03-05 | 2017-03-05 | A kind of Novel double-glazed photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106920858A true CN106920858A (en) | 2017-07-04 |
Family
ID=59460298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710126014.1A Pending CN106920858A (en) | 2017-03-05 | 2017-03-05 | A kind of Novel double-glazed photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106920858A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110069A (en) * | 2017-12-14 | 2018-06-01 | 江苏润达光伏无锡有限公司 | A kind of intelligent photovoltaic crystal silicon component and its manufacturing method |
| CN108538941A (en) * | 2018-04-01 | 2018-09-14 | 格润智能光伏南通有限公司 | A kind of double glass photovoltaic modulies of half |
| CN108598193A (en) * | 2018-05-24 | 2018-09-28 | 圣晖莱南京能源科技有限公司 | A kind of flexible CIGS solar battery component |
| CN109194281A (en) * | 2018-10-30 | 2019-01-11 | 江苏通灵电器股份有限公司 | A kind of thermal energy convection heat emission type photovoltaic module |
| DE102017116862A1 (en) * | 2017-07-26 | 2019-01-31 | Jürgen Grimmeisen | sliding element |
| CN109950348A (en) * | 2019-04-10 | 2019-06-28 | 江苏禾木传感技术有限公司 | Double glass photovoltaic modulies and preparation method thereof |
| WO2020001405A1 (en) * | 2018-06-25 | 2020-01-02 | 领凡新能源科技(北京)有限公司 | Protection circuit structural member for solar cell component, and solar cell component |
-
2017
- 2017-03-05 CN CN201710126014.1A patent/CN106920858A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017116862A1 (en) * | 2017-07-26 | 2019-01-31 | Jürgen Grimmeisen | sliding element |
| CN108110069A (en) * | 2017-12-14 | 2018-06-01 | 江苏润达光伏无锡有限公司 | A kind of intelligent photovoltaic crystal silicon component and its manufacturing method |
| CN108538941A (en) * | 2018-04-01 | 2018-09-14 | 格润智能光伏南通有限公司 | A kind of double glass photovoltaic modulies of half |
| CN108598193A (en) * | 2018-05-24 | 2018-09-28 | 圣晖莱南京能源科技有限公司 | A kind of flexible CIGS solar battery component |
| WO2020001405A1 (en) * | 2018-06-25 | 2020-01-02 | 领凡新能源科技(北京)有限公司 | Protection circuit structural member for solar cell component, and solar cell component |
| CN109194281A (en) * | 2018-10-30 | 2019-01-11 | 江苏通灵电器股份有限公司 | A kind of thermal energy convection heat emission type photovoltaic module |
| CN109194281B (en) * | 2018-10-30 | 2023-12-19 | 江苏通灵电器股份有限公司 | Heat energy convection heat dissipation type photovoltaic module |
| CN109950348A (en) * | 2019-04-10 | 2019-06-28 | 江苏禾木传感技术有限公司 | Double glass photovoltaic modulies and preparation method thereof |
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