CN208753337U - A kind of imbrication photovoltaic module - Google Patents
A kind of imbrication photovoltaic module Download PDFInfo
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- CN208753337U CN208753337U CN201821621181.XU CN201821621181U CN208753337U CN 208753337 U CN208753337 U CN 208753337U CN 201821621181 U CN201821621181 U CN 201821621181U CN 208753337 U CN208753337 U CN 208753337U
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- solar battery
- photovoltaic module
- reflective
- informal voucher
- imbrication photovoltaic
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- 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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Abstract
The utility model discloses a kind of imbrication photovoltaic modulies, it from top to bottom include face glass, the first adhesive layer, multiple solar battery strings, the second adhesive layer, back glass, solar battery string includes multiple solar batteries, it is connected between solar battery by conducting medium, solar battery is N-type solar battery or the p-type solar battery for adulterating Ga；Back glass upper surface predetermined position is provided with reflexive reflective informal voucher, interstitial site of the predeterminated position between solar battery string.Above-mentioned technical proposal disclosed in the present application, using N-type solar battery or the p-type solar battery for mixing Ga as solar battery, to reduce the power attenuation of imbrication photovoltaic module, and reflective informal voucher is arranged in the interstitial site that solar battery string is corresponded in back-panel glass, the sunlight exposed at the position is reflected using reflective informal voucher, the sunlight reflected can be utilized by solar battery, to improve the output power of imbrication photovoltaic module.
Description
Technical field
The utility model relates to technical field of photovoltaic modules, more specifically to a kind of imbrication photovoltaic module.
Background technique
As the increasingly reduction of traditional energy and environmental problem become increasingly conspicuous, there is reproducibility, cleaning, environmental protection, easily obtain
The solar energy of characteristics such as take to be used widely.Converting the solar into electric energy using photovoltaic module is current Solar use
One of major way.
Most photovoltaic modulies currently on the market run first year power attenuation and reach 2-3%, hereafter annual linear attenuation,
And after 25 years, power can be down to 80% or so of initial power.For several hundred megawatts of large-scale power station, first year 2-
3% or so power attenuation can bring the economic loss of up to ten million members, and then annual 0.7% or so lost generated energy is then
The economic loss of members up to a million can be brought.In order to improve the income of photovoltaic power generation, it can save floor occupying area and can realize big
The imbrication photovoltaic module of power output is pursued by major component manufacturer.
But the solar battery in existing imbrication photovoltaic module is mostly the p-type solar battery of B (boron) doping.When too
When sunlight is irradiated on such solar battery, the boron being doped into solar battery can be with the impurity oxygen of inside solar energy battery
Compound, generation boron oxygen complex occurs, and this species complex can generate photo attenuation effect, that is, will lead to solar battery efficiency
Reduction, to will cause the decaying of imbrication photovoltaic module power.In addition, due to the solar battery inside imbrication photovoltaic module
There are certain gaps between string, then imbrication photovoltaic module can be directly projected when solar irradiation is mapped on the backboard at the position,
The sunlight exposed at the position cannot be made full use of by imbrication photovoltaic module, so that the defeated of imbrication photovoltaic module can be reduced
Power out.
In conclusion how to reduce the power attenuation of imbrication photovoltaic module, and the output power of imbrication photovoltaic module is improved,
It is current those skilled in the art technical problem urgently to be resolved.
Utility model content
In view of this, the purpose of the utility model is to provide a kind of imbrication photovoltaic module, to reduce imbrication photovoltaic module
Power attenuation, and improve the output power of imbrication photovoltaic module.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of imbrication photovoltaic module successively includes face glass, the first adhesive layer, multiple solar batteries from top to bottom
String, the second adhesive layer, back glass, in which:
The solar battery string includes multiple solar batteries, is connected between the solar battery by conducting medium
It connects, the solar battery is N-type solar battery or the p-type solar battery for adulterating Ga；
The predetermined position of the back glass upper surface is provided with reflexive reflective informal voucher, the predeterminated position
For the interstitial site between the solar battery string.
Preferably, the N-type solar battery is N-type double-sided solar battery.
Preferably, the p-type solar battery of the doping Ga is the p-type double-sided solar battery for adulterating Ga.
Preferably, the reflective informal voucher includes the reflective informal voucher of transverse direction of cross direction profiles and/or is vertically distributed vertical reflective
Informal voucher.
Preferably, the item number of the reflective informal voucher of the transverse direction is 2-13 item.
Preferably, the item number of the vertical reflective informal voucher is 2-7 item.
Preferably, the width of the reflective informal voucher of the transverse direction is 1.6-18mm, length 986-1002mm.
Preferably, the width of the vertical reflective informal voucher is 1.8-18mm, length 1610-2020mm.
Preferably, the conducting medium is specially conducting resinl.
Preferably, first adhesive layer, second adhesive layer are polyolefin adhesive film layer or EVA layer.
The utility model provides a kind of imbrication photovoltaic module, from top to bottom successively include face glass, the first adhesive layer,
Multiple solar battery strings, the second adhesive layer, back glass, in which: solar battery string includes multiple solar batteries, the sun
It can be connected between battery by conducting medium, solar battery is N-type solar battery or the p-type solar-electricity for adulterating Ga
Pond；The predetermined position of back glass upper surface is provided with reflexive reflective informal voucher, and predeterminated position is solar battery
Interstitial site between string.
Above-mentioned technical proposal disclosed in the present application is made using N-type solar battery or the p-type solar battery for adulterating Ga
For the solar battery in imbrication photovoltaic module, to avoid using mixing the p-type solar battery of B as in imbrication photovoltaic module
Solar battery and the boron oxygen complex generated, so that photo attenuation is reduced, to reduce the power attenuation of imbrication photovoltaic module, and
And correspond to setting at the interstitial site of solar battery string in back-panel glass there is reflexive reflective informal voucher, work as solar irradiation
When being incident upon at the position, reflective informal voucher then can be with reflected sunlight, and the sunlight reflected may enter solar-electricity
It is utilized on pond and by solar battery, so as to improve the utilization rate of sunlight, and then imbrication photovoltaic module can be improved
Output power.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structural schematic diagram of imbrication photovoltaic module provided by the embodiment of the utility model；
The schematic diagram that Fig. 2 is connected between solar battery provided by the embodiment of the utility model by conducting medium；
Fig. 3 is the structural schematic diagram of the reflective informal voucher of transverse direction provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of vertical reflective white light provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of the reflective informal voucher of transverse direction provided by the embodiment of the utility model and vertical reflective informal voucher.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Figure 1 and Fig. 2, wherein Fig. 1 shows a kind of imbrication photovoltaic module provided by the embodiment of the utility model
Structural schematic diagram, Fig. 2 shows what is be connected between solar battery provided by the embodiment of the utility model by conducting medium
Schematic diagram.A kind of imbrication photovoltaic module provided by the embodiment of the utility model, successively may include from top to bottom face glass 1,
First adhesive layer 2, multiple solar battery strings 3, the second adhesive layer 4, back glass 5, in which:
Solar battery string 3 may include multiple solar batteries 31, can be situated between by conduction between solar battery 31
Matter 6 is connected, and solar battery 31 is N-type solar battery or the p-type solar battery for adulterating Ga；
The predetermined position of 5 upper surface of back glass is provided with reflexive reflective informal voucher 7, and predeterminated position is the sun
Interstitial site between energy battery strings 3.
Imbrication photovoltaic module successively may include face glass 1, the first adhesive layer 2, multiple solar batteries under upper
String the 3, second adhesive layer 4, back glass 5.
Wherein, face glass 1 is mostly tempered glass, with preferable translucency, so that sunlight can be irradiated to too
In positive energy battery strings 3, and face glass 1 also has preferable mechanical strength, for resisting wind and frost sleet etc., to solar energy
Battery strings 3 can play the role of protection, to extend the service life of imbrication photovoltaic module to a certain extent.First adhesive layer 2
With the second adhesive layer 4 for fixing solar battery string 3, and for guaranteeing that imbrication photovoltaic module has preferable adaptation, from
And moisture and other pernicious gases etc. are reduced to erosion caused by internal solar battery 31.
It is connected in series between multiple solar battery strings 3 included in imbrication photovoltaic module and/or in parallel, each solar energy
Battery strings 3 include multiple solar batteries 31 being connected in series, and are connected between these solar batteries 31 by conducting medium 6
It connects.Effectively increase imbrication photovoltaic module using the connection that allows to carry out partly overlapping between solar battery 31 of conducting medium 6
Generating area, and that more solar batteries 31 can be placed under identical component area, it is defeated so as to improve
Power out improves generated energy.
Solar battery 31 included in solar battery string 3 can be the p-type of N-type solar battery or doping Ga
Solar battery.Since N-type solar battery is mostly to adulterate the 5th major element (such as the elements such as doping P (phosphorus)) and formed
Solar battery 31, and the p-type solar battery for adulterating Ga is the Ga element for adulterating third main group and the solar-electricity that is formed
Therefore pond 31 can then generate few boron oxygen complex in sunlight irradiation, or be nearly free from boron oxygen complex, because
And then can effectively improve photo attenuation effect, to reduce the reduction of 31 efficiency of solar battery, and then reduce imbrication light
The power attenuation of component is lied prostrate, to improve the output power of imbrication photovoltaic module.
Back glass 5 included in imbrication photovoltaic module is used to play solar battery 31 work of protection and support
With.The back glass 5 can completely cut off the moisture come in from the back side and other pernicious gases are invaded caused by solar battery 31
Erosion.In view of there are certain gaps between solar battery string 3, in order to improve the utilization to the sunlight for exposing to gap location
Rate, then can the predetermined position setting of overleaf glass 5 there is reflexive reflective informal voucher 7, wherein it is mentioned pre- here
If position is the interstitial site between solar battery string 3.It, then can be anti-when solar irradiation is incident upon on reflective informal voucher 7
Light informal voucher 7 reflects back rather than is direct injection back glass 5, has the irradiation of part sunlight in the sunlight being reflected back
To solar battery 31, to be absorbed and utilized by solar battery 31, so as to improve between exposing to solar battery string 3
The utilization rate of sunlight at gap position improves the output power of imbrication photovoltaic module, improves the generated energy of imbrication photovoltaic module.
Wherein, reflective informal voucher 7 can be prepared by titanium dioxide, silica and binder etc., then, will be prepared into
Reflective informal voucher 7 be pasted on back glass 5, to constitute woven fiberglass.When imbrication photovoltaic module is because of damage or service life
When reaching the limit of etc. and can not continue to use, then the imbrication photovoltaic module can be recycled, and remove reflective white in back-panel glass
Item 7, it is then possible to re-paste new reflective informal voucher 7, according to the arrangement etc. of solar battery string 3 to realize to back-panel glass
Recycling.
Above-mentioned technical proposal disclosed in the present application is made using N-type solar battery or the p-type solar battery for adulterating Ga
For the solar battery in imbrication photovoltaic module, to avoid using mixing the p-type solar battery of B as in imbrication photovoltaic module
Solar battery and the boron oxygen complex generated, so that photo attenuation is reduced, to reduce the power attenuation of imbrication photovoltaic module, and
And correspond to setting at the interstitial site of solar battery string in back-panel glass there is reflexive reflective informal voucher, work as solar irradiation
When being incident upon at the position, reflective informal voucher then can be with reflected sunlight, and the sunlight reflected may enter solar-electricity
It is utilized on pond and by solar battery, so as to improve the utilization rate of sunlight, and then imbrication photovoltaic module can be improved
Output power.
A kind of imbrication photovoltaic module provided by the embodiment of the utility model, N-type solar battery can be the two-sided sun of N-type
It can battery.
Above-mentioned mentioned N-type solar battery is specifically as follows N-type double-sided solar battery.The solar battery is just
Face can receive from face glass 1 irradiate into sunlight to generate electricity, the back side can receive from back glass 5 irradiate into
Sunlight, and generated electricity using the sunlight, to improve the output power of imbrication photovoltaic module.Wherein, from back glass 5
Irradiate into sunlight be mostly sunlight that ground and/or water surface etc. are reflected.
A kind of imbrication photovoltaic module provided by the embodiment of the utility model, the p-type solar battery for adulterating Ga can be to mix
The p-type double-sided solar battery of miscellaneous Ga.
When the solar battery in imbrication photovoltaic module is to adulterate the p-type solar battery of Ga, then the p-type of doping Ga
Solar battery is specifically as follows the two-sided solar battery of p-type of doping Ga.The front of the solar battery can receive from just
Surface glass 1 irradiate into sunlight, and generated electricity using the sunlight of the part, the back side of the solar battery can then connect
Receive from back glass 5 irradiate into sunlight, and generated electricity using the sunlight, so as to improve imbrication photovoltaic module
Output power.
Fig. 3 is referred to Fig. 5, wherein Fig. 3 shows the structure of the reflective informal voucher of transverse direction provided by the embodiment of the utility model
Schematic diagram, Fig. 4 show the structural schematic diagram of vertical reflective white light provided by the embodiment of the utility model, and Fig. 5 shows this reality
The structural schematic diagram of the reflective informal voucher of transverse direction and vertical reflective informal voucher that are provided with new embodiment.The utility model embodiment provides
A kind of imbrication photovoltaic module, reflective informal voucher 7 may include the reflective informal voucher 71 of transverse direction of cross direction profiles and/or is vertically distributed perpendicular
To reflective informal voucher 72.
Reflective informal voucher 7 on back glass 5 may include the reflective informal voucher 71 of transverse direction being only transversely distributed, only along perpendicular
To the vertical reflective informal voucher 72 of distribution and the reflective informal voucher 71 of the existing transverse direction that is transversely distributed but have vertically be distributed it is vertical
Reflective informal voucher 72, these three situations can be adapted for solar battery string 3 and are distributed different imbrication photovoltaic modulies.It needs to illustrate
Be, here mentioned transverse direction be vertically to be set with the visual angle of Fig. 1 and Fig. 3 into Fig. 5, i.e., and horizontal direction
Parallel direction is transverse direction, the direction vertical with horizontal direction is vertical.
Specifically, on back glass 5 only the reflective informal voucher 71 of transverse direction that is transversely distributed be suitable for solar battery string 3 it
Between the laterally distributed situation in gap；The vertical reflective informal voucher 72 being only vertically distributed on back glass 5 is suitable for the sun
Gap between energy battery strings 3 is in vertical the case where being distributed；The existing reflective informal voucher 71 of transverse direction being transversely distributed on back glass 5
The gap for having the vertical reflective informal voucher 72 being vertically distributed to be suitable between solar battery string 3 not only is existing to be transversely distributed but also has
The case where being vertically distributed.
A kind of imbrication photovoltaic module provided by the embodiment of the utility model, laterally the item number of reflective informal voucher 71 can be 2-13
Item.
The item number of the reflective informal voucher 71 of the transverse direction being transversely distributed can be 2-13 item, and specific item number can be according to imbrication light
The number for being formed by the gap being transversely distributed in volt component between solar battery string 3 is configured, so that between each
Can there be the presence of reflective informal voucher 7 in gap position, to improve the utilization rate to sunlight.
The item number of a kind of imbrication photovoltaic module provided by the embodiment of the utility model, vertical reflective informal voucher 72 can be 2-7
Item.
The item number for the vertical reflective informal voucher 72 being vertically distributed can be 2-7 item, and specific item number then can be according to imbrication
The number for being formed by the gap being vertically distributed in photovoltaic module between solar battery string 3 is configured, so that between each
Can there be the presence of reflective informal voucher 7 in gap position.
A kind of imbrication photovoltaic module provided by the embodiment of the utility model, laterally the width of reflective informal voucher 71 can be 1.6-
18mm, length can be 986-1002mm.
According to the version type of imbrication photovoltaic module, the width of the reflective informal voucher 71 of the transverse direction being transversely distributed specifically can be in 1.6-
Within the scope of 1.8mm, length specifically can be within the scope of 986-1002mm, so that laterally reflective informal voucher 71 can cover all edge
The gap of cross direction profiles, to improve the utilization rate to sunlight as much as possible.
The width of a kind of imbrication photovoltaic module provided by the embodiment of the utility model, vertical reflective informal voucher 72 can be 1.8-
18mm, length can be 1610-2020mm.
The width for the vertical reflective informal voucher 72 being vertically distributed is specifically as follows 1.8-18mm, and length specifically can be
Within the scope of 1610-2020mm, so that vertical reflective informal voucher 72 can cover all the gap being vertically distributed, to make full use of
The sunlight in the interstitial site is exposed to, to improve the output power of imbrication photovoltaic module.
A kind of imbrication photovoltaic module provided by the embodiment of the utility model, conducting medium 6 are specifically as follows conducting resinl.
Conducting medium 6 for connecting solar battery 31 is specifically as follows conducting resinl.Is produced from 31 inside of solar battery
Raw electric current can export imbrication photovoltaic module by conducting resinl, so that imbrication photovoltaic module can be used as power generator use.
A kind of imbrication photovoltaic module provided by the embodiment of the utility model, the first adhesive layer 2, the second adhesive layer 4 can be with
For polyolefin adhesive film layer or EVA layer.
The first adhesive layer 2 and the second adhesive layer 4 in imbrication photovoltaic module all can be polyolefin adhesive film layer or EVA
(Ethylene-vinyl acetate copolymer, ethylene-vinyl acetate copolymer) layer, wherein polyolefin adhesive film layer tool
There is preferable translucency, EVA has preferable water resistance, corrosion resistance etc..
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the element that the process, method, article or equipment including a series of elements is intrinsic.?
Do not have in the case where more limiting, the element limited by sentence "including a ...", it is not excluded that including the element
There is also other identical elements in process, method, article or equipment.In addition, provided by the embodiment of the utility model above-mentioned
In technical solution with correspond to the consistent part of technical solution realization principle and unspecified in the prior art, in order to avoid excessive superfluous
It states.
The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the utility model.
Various modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this is practical new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (10)
1. a kind of imbrication photovoltaic module, which is characterized in that from top to bottom successively include face glass, the first adhesive layer, Duo Getai
Positive energy battery strings, the second adhesive layer, back glass, in which:
The solar battery string includes multiple solar batteries, is connected between the solar battery by conducting medium,
The solar battery is N-type solar battery or the p-type solar battery for adulterating Ga；
The predetermined position of the back glass upper surface is provided with reflexive reflective informal voucher, and the predeterminated position is institute
State the interstitial site between solar battery string.
2. imbrication photovoltaic module according to claim 1, which is characterized in that the N-type solar battery is that N-type is two-sided too
Positive energy battery.
3. imbrication photovoltaic module according to claim 1, which is characterized in that it is described doping Ga p-type solar battery be
Adulterate the p-type double-sided solar battery of Ga.
4. imbrication photovoltaic module according to claim 1, which is characterized in that the reflective informal voucher includes the cross of cross direction profiles
The vertical reflective informal voucher to reflective informal voucher and/or being vertically distributed.
5. imbrication photovoltaic module according to claim 4, which is characterized in that the item number of the reflective informal voucher of transverse direction is 2-13
Item.
6. imbrication photovoltaic module according to claim 4, which is characterized in that the item number of the vertical reflective informal voucher is 2-7
Item.
7. imbrication photovoltaic module according to claim 4, which is characterized in that the width of the reflective informal voucher of transverse direction is 1.6-
18mm, length 986-1002mm.
8. imbrication photovoltaic module according to claim 4, which is characterized in that the width of the vertical reflective informal voucher is 1.8-
18mm, length 1610-2020mm.
9. imbrication photovoltaic module according to claim 1, which is characterized in that the conducting medium is specially conducting resinl.
10. imbrication photovoltaic module according to claim 1, which is characterized in that first adhesive layer, second bonding
Layer is polyolefin adhesive film layer or EVA layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821621181.XU CN208753337U (en) | 2018-09-30 | 2018-09-30 | A kind of imbrication photovoltaic module |
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| CN201821621181.XU CN208753337U (en) | 2018-09-30 | 2018-09-30 | A kind of imbrication photovoltaic module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491963A (en) * | 2019-09-20 | 2019-11-22 | 浙江晶科能源有限公司 | A kind of two-sided photovoltaic module and photovoltaic generating system |
| CN112951945A (en) * | 2019-12-09 | 2021-06-11 | 中国科学院大连化学物理研究所 | Preparation method of large-area perovskite solar cell module |
| CN114678437A (en) * | 2022-04-14 | 2022-06-28 | 浙江晶科能源有限公司 | Photovoltaic module |
-
2018
- 2018-09-30 CN CN201821621181.XU patent/CN208753337U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110491963A (en) * | 2019-09-20 | 2019-11-22 | 浙江晶科能源有限公司 | A kind of two-sided photovoltaic module and photovoltaic generating system |
| CN112951945A (en) * | 2019-12-09 | 2021-06-11 | 中国科学院大连化学物理研究所 | Preparation method of large-area perovskite solar cell module |
| CN114678437A (en) * | 2022-04-14 | 2022-06-28 | 浙江晶科能源有限公司 | Photovoltaic module |
| CN114678437B (en) * | 2022-04-14 | 2024-04-02 | 浙江晶科能源有限公司 | Photovoltaic module |
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