CN208781861U - Photovoltaic double-glass assembly - Google Patents
Photovoltaic double-glass assembly Download PDFInfo
- Publication number
- CN208781861U CN208781861U CN201821605864.6U CN201821605864U CN208781861U CN 208781861 U CN208781861 U CN 208781861U CN 201821605864 U CN201821605864 U CN 201821605864U CN 208781861 U CN208781861 U CN 208781861U
- Authority
- CN
- China
- Prior art keywords
- back side
- main grid
- grid
- battery
- glass assembly
- 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.)
- Active
Links
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 relates to a kind of photovoltaic double-glass assemblies.The battery pack being serially connected including at least two, battery pack include at least two cell piece tandems parallel with one another, and cell piece tandem includes at least two battery cutting sheets being serially connected, and battery cutting sheet includes the front and back for absorbing light radiation；Front is equipped with several front main grids for collecting electric current and several for electric current to be collected to the thin grid in front of front main grid, the extending direction for extending perpendicularly to positive thin grid of front main grid；The back side is equipped with the thin grid in the back side for collecting the back side main grid of electric current and for electric current to be collected to back side main grid, the extending direction for extending perpendicularly to the thin grid in the back side of back side main grid, and back side main grid is identical as the extending direction of front main grid；Battery cutting sheet carries out the quartering along the extending direction of the thin grid in front by solar battery sheet and cuts.It can reduce power loss according to photovoltaic double-glass assembly, power with higher is conducive to apply.
Description
Technical field
The utility model relates to photovoltaic technology field, more particularly to a kind of photovoltaic double-glass assembly.
Background technique
Solar energy has many-sided advantage such as inexhaustible and clean and environmental protection as a kind of green novel energy source.
A kind of current main Solar use mode is to receive luminous energy by photovoltaic cell component to be converted into electric energy, traditional photovoltaic
Battery component is that have several photovoltaic cell series connection post packages, and arrange to form large area photovoltaic module power station by square matrix.Wherein,
Photovoltaic cell absorbs luminous energy, and the accumulation of heterocharge occur in cell piece both ends, i.e. generation " photovoltage ", that is, " photoproduction
Volta effect ", under the action of photovoltaic effect, solar battery sheet both ends generate electromotive force, to convert light energy into
Electric energy.
However, the current density of this solar cell module using whole solar battery sheet series systems is uneven
Even, power loss is big.
Utility model content
Based on this, it is necessary to provide a kind of photovoltaic double-glass assembly that can reduce power loss.
A kind of photovoltaic double-glass assembly, the battery pack being serially connected including at least two, the battery pack include at least two
Cell piece tandem parallel with one another, the cell piece tandem include at least two battery cutting sheets being serially connected, the battery
Cutting sheet includes the front and back for absorbing light radiation；
The front is equipped with the front main grid that several are used to collect electric current and several are used to electric current being collected to institute
State the thin grid in front of front main grid, the extending direction for extending perpendicularly to the thin grid in the front of the front main grid；
The back side is equipped with for collecting the back side main grid of electric current and for electric current to be collected to the back side main grid
The thin grid in the back side, the extending direction for extending perpendicularly to the thin grid in the back side of the back side main grid, and the back side main grid with
The extending direction of the front main grid is identical；
The battery cutting sheet by solar battery sheet carry out quartering cutting along the extending direction of the thin grid in front and
At.
The front and back of above-mentioned photovoltaic double-glass assembly can be absorbed light radiation, and front and back be respectively equipped with it is several
Item is used to collect the front main grid and back side main grid of electric current, in addition, battery cutting sheet is by solar battery sheet along the thin grid in front
Extending direction carries out the quartering and cuts.The photovoltaic double-glass assembly arranged in the manner described above can reduce power damage
Consumption, power with higher are conducive to apply.
The front main grid is equipped with the main grid pad for welding, the back side main grid in one of the embodiments,
It is equipped with the backgate pad for welding.
The front main grid of the battery cutting sheet and the adjacent battery cutting sheet in one of the embodiments,
The back side main grid is connected by welding.
It is located at the cell piece tandem in the same battery pack in one of the embodiments, and passes through busbar in parallel
Parallel connection, the adjacent battery pack pass through series connection busbar series connection.
The front main grid is arranged in a one-to-one correspondence with the back side main grid in one of the embodiments,.
Several front main grids are uniformly distributed in the front of the battery cutting sheet in one of the embodiments,
Several back side main grids are uniformly distributed in the back side of the battery cutting sheet.
The distance between adjacent described cell piece tandem is 1.5mm~2.5mm in one of the embodiments,.
It is positioned at the distance between the adjacent battery cutting sheet of same cell piece tandem in one of the embodiments,
0.8mm~1.2mm.
The item number of the front main grid and the back side main grid is 9 in one of the embodiments, adjacent two institutes
Stating the distance between front main grid is 16.8mm, and the distance between adjacent two described back side main grids are 16.8mm.
The photovoltaic double-glass assembly includes 3 battery packs being serially connected, the battery pack in one of the embodiments,
Including 4 cell piece tandems parallel with one another, the cell piece tandem includes 24 battery cutting sheets being serially connected.
Detailed description of the invention
Fig. 1 is the schematic diagram of the photovoltaic double-glass assembly of one embodiment of the utility model；
Fig. 2 is the front schematic view of the battery cutting sheet of one embodiment of the utility model；
Fig. 3 is the schematic rear view of the battery cutting sheet of one embodiment of the utility model；
Fig. 4 is the front schematic view of solar battery sheet；
Fig. 5 is the schematic rear view of solar battery sheet；
Fig. 6 is the front series welding schematic diagram of the two neighboring battery cutting sheet of one embodiment of the utility model；
Fig. 7 is the back side series welding schematic diagram of the two neighboring battery cutting sheet of one embodiment of the utility model；
Fig. 8 is that the face bonding of the cell piece tandem of one embodiment of the utility model connects arrangement schematic diagram；
Fig. 9 is that arrangement schematic diagram is welded at the back side of the cell piece tandem of one embodiment of the utility model.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Referring to Figure 1~Fig. 9, the photovoltaic double-glass assembly 500 of one embodiment of the utility model include at least two mutual
Concatenated battery pack, battery pack include at least two cell piece tandems 400 parallel with one another, and cell piece tandem 400 includes at least
Two battery cutting sheets 100 being serially connected, battery cutting sheet 100 include the front 110 and the back side for absorbing light radiation
120。
Wherein, refer to Fig. 2, front 110 be equipped with several front main grids 111 for collecting electric current and several with
In the thin grid 112 in front that electric current is collected to front main grid 111, front main grid 111 extends perpendicularly to positive thin grid 112
Extending direction.
Wherein, Fig. 3 is referred to, the back side 120 is equipped with for collecting the back side main grid 121 of electric current and for collecting electric current
To the thin grid 122 in the back side of back side main grid 121, the extending direction for extending perpendicularly to the thin grid 122 in the back side of back side main grid 121,
And back side main grid 121 is identical as the extending direction of front main grid 111.
Wherein, Fig. 4 and Fig. 5 are referred to, battery cutting sheet 100 is by solar battery sheet 200 along the extension of positive thin grid 112
Direction carries out the quartering and cuts.Specifically, the length L of battery cutting sheet 100 is equal to the side length of solar battery sheet 200
L, L=(157 ± 1) mm, width B=1/4L.
In addition, photovoltaic double-glass assembly 500 includes the double glazing positioned at battery pack two sides.
In one embodiment, front main grid 111 is equipped with the main grid pad 113 for welding, on back side main grid 121
Equipped with the backgate pad 123 for welding.Specifically, every front main grid 111 is equipped with 5 main grid pads 113.Every back side
Main grid 121 is equipped with 2 backgate pads 123.
The halftone design feature of the cell piece 100 of the utility model in grid line width and back electrode width there is design to close
Connection property.Specifically, the width b1=0.03mm-0.035mm of the thin grid 112 in front；The width b2=3b1 of front main grid 111；The back side
The width b3=10b2 of main grid 121；The width b4=1.5b3 of backgate pad 123；The length of backgate pad 123 is 7mm-12mm.
In one embodiment, the back side of the front main grid 111 of battery cutting sheet 100 and adjacent cell cutting sheet 100
Main grid 121 is connected by welding 300.Welding 300 and the main grid pad 113 of front main grid 111 carry out positive welding, welding 300
Back side welding is carried out with the backgate pad 123 of back side main grid 121.Welding 300 and battery cutting sheet 100 form multi-point welding, reach
The function of being collected to electric current high density.
Specifically, referring to Fig. 6 and Fig. 7,9 root bead band 300 of front is welded with the main grid pad 113 in front main grid 111,
The welding of Multipoint Uniform distribution is formed, it is big to collect current density.9 root bead band 300 of the back side is welded with 123 phase of backgate pad, in this way
Every battery cutting sheet 100 has the welding of 18 backgate pads 123, so that back side soldering reliability is promoted.Back side light phase
To less, the geomery of backgate pad 123 is big, and this design is suitable for the compatibility suitability of automatic equipment welding contraposition.
Wherein, welding 300 is tin-coated copper strip, tin plating lead bronze band or plating tin silver copper band.The shape of welding 300 is round, outside
Shape size diameter is 0.25mm~0.40mm, and wherein thickness of coating is 0.015mm~0.030mm.
In one embodiment, the cell piece tandem 400 in same battery pack passes through busbar 510 in parallel simultaneously
Connection, adjacent cell group are connected by series connection busbar 520.It is converged at two adjacent groups series connection node by 530 export of back glass perforation
Item is flowed, collects electric current to terminal box.
In one embodiment, front main grid 111 is arranged in a one-to-one correspondence with back side main grid 121.
In one embodiment, several front main grids 111 are uniformly distributed in the front of battery cutting sheet 100, several
Back side main grid 121 is uniformly distributed in the back side of battery cutting sheet 100.
In one embodiment, the distance between adjacent cell piece tandem 400 is 1.5mm~2.5mm.As shown in Figure 1,
String spacing Δ 2 between cell piece tandem 400 and cell piece tandem 400 indicates.
In one embodiment, it is positioned at the distance between the adjacent cell cutting sheet 100 of same cell piece tandem 400
0.8mm~1.2mm.As shown in Figure 8 and Figure 9, between the adjacent cell cutting sheet 100 of same cell piece tandem 400 away from
It is indicated from Δ 1.
In one embodiment, the item number of front main grid 111 and back side main grid 121 is 9, and adjacent two fronts are main
The distance between grid are 16.8mm, and the distance between adjacent two back side main grids 121 are 16.8mm.
In one embodiment, photovoltaic double-glass assembly 500 includes 3 battery packs being serially connected, and battery pack includes 4
Cell piece tandem 400 parallel with one another, cell piece tandem 400 include 24 battery cutting sheets 100 being serially connected.
Fig. 8 and Fig. 9 are referred to, the quantity of the series welding battery cutting sheet 100 of cell piece tandem 400 is N, illustrates N=24, piece
Spacing is Δ 1=1 ± 0.2mm, the long X=of the string of cell piece tandem 400 (24*0.25L+23 Δ 1).Citing: conventional batteries piece is set
Side length L=156mm, the width B=0.25L=39mm of battery cutting sheet 100, piece separation delta 1=1.0mm, series welding cell piece 100
Quantity N=24 piece, calculate cell piece tandem 400 the long X=24*0.25*156+23*1=959mm of string.
Referring to Figure 1, the photovoltaic double-glass assembly 500 of an embodiment includes 12 cell piece tandems 400 altogether, per adjacent
4 cell piece tandems 400 pass through busbar 510 in parallel and weld one group of formation in parallel, wherein the 1st string, the 2nd string, the 3rd string, the 4th
String carries out in parallel, first group of formation, and the 5th string, the 6th string, the 7th string, the 8th string progress are in parallel, forms second group, the 9th string, the 10th
String, the 11st string, the 12nd string carry out in parallel, form third group, pass through series connection busbar 520 again in this three groups and go here and there for adjacent two groups
Join, by 530 export busbars of back glass perforation at two adjacent groups series connection node, has back glass perforation 530 at two, collect electricity
Flow to terminal box.
The front and back of above-mentioned photovoltaic double-glass assembly can be absorbed light radiation, and front and back be respectively equipped with it is several
Item is used to collect the front main grid and back side main grid of electric current, in addition, battery cutting sheet is by solar battery sheet along the thin grid in front
Extending direction carries out the quartering and cuts.The photovoltaic double-glass assembly arranged in the manner described above can reduce power damage
Consumption, power with higher are conducive to apply.
In addition, the photovoltaic double-glass assembly of the utility model, by the way that full slice at small pieces, is realized cell piece collected current
Uniformity.It is designed by more main grids, that is, double-side cell piece halftone, realizes the promotion of collected current density, improve cell piece
Power.By the typesetting encapsulation technology of solar double-glass assemblies, double-side photic is realized, front and back can generate electricity, the function of photovoltaic module
Rate greatly promotes.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of photovoltaic double-glass assembly, which is characterized in that the battery pack being serially connected including at least two, the battery pack include
At least two cell piece tandems parallel with one another, the cell piece tandem include at least two battery cutting sheets being serially connected,
The battery cutting sheet includes the front and back for absorbing light radiation；
It is described front be equipped with several for collect electric current front main grid and several for by electric current be collected to it is described just
The thin grid in front of face main grid, the extending direction for extending perpendicularly to the thin grid in the front of the front main grid；
The back side is equipped with the back side for collecting the back side main grid of electric current and for electric current to be collected to the back side main grid
Thin grid, the extending direction for extending perpendicularly to the thin grid in the back side of the back side main grid, and the back side main grid with it is described
The extending direction of front main grid is identical；
The battery cutting sheet carries out the quartering along the extending direction of the thin grid in the front by solar battery sheet and cuts.
2. photovoltaic double-glass assembly according to claim 1, which is characterized in that the front main grid is equipped with for welding
Main grid pad, the back side main grid are equipped with the backgate pad for welding.
3. photovoltaic double-glass assembly according to claim 1, which is characterized in that the front main grid of the battery cutting sheet
It is connected with the back side main grid of the adjacent battery cutting sheet by welding.
4. photovoltaic double-glass assembly according to claim 1, which is characterized in that the electricity in the same battery pack
Pond piece tandem passes through busbar parallel connection in parallel, and the adjacent battery pack passes through series connection busbar series connection.
5. photovoltaic double-glass assembly according to claim 1, which is characterized in that the front main grid and the back side main grid one
One is correspondingly arranged.
6. photovoltaic double-glass assembly according to claim 1, which is characterized in that several front main grids are uniformly distributed in
The front of the battery cutting sheet, several back side main grids are uniformly distributed in the back side of the battery cutting sheet.
7. photovoltaic double-glass assembly according to claim 1, which is characterized in that the distance between adjacent described cell piece tandem
For 1.5mm~2.5mm.
8. photovoltaic double-glass assembly according to claim 1, which is characterized in that positioned at the adjacent described of same cell piece tandem
The distance between battery cutting sheet is 0.8mm~1.2mm.
9. photovoltaic double-glass assembly according to claim 1, which is characterized in that the front main grid and the back side main grid
Item number is 9, and the distance between adjacent two described front main grids are 16.8mm, between adjacent two back side main grids
Distance is 16.8mm.
10. photovoltaic double-glass assembly according to claim 1, which is characterized in that the photovoltaic double-glass assembly includes 3 mutual
Concatenated battery pack, the battery pack include 4 cell piece tandems parallel with one another, and the cell piece tandem includes 24 mutual
Concatenated battery cutting sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821605864.6U CN208781861U (en) | 2018-09-29 | 2018-09-29 | Photovoltaic double-glass assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821605864.6U CN208781861U (en) | 2018-09-29 | 2018-09-29 | Photovoltaic double-glass assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208781861U true CN208781861U (en) | 2019-04-23 |
Family
ID=66161498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821605864.6U Active CN208781861U (en) | 2018-09-29 | 2018-09-29 | Photovoltaic double-glass assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208781861U (en) |
-
2018
- 2018-09-29 CN CN201821605864.6U patent/CN208781861U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104600141B (en) | Solar cell module | |
| CN105097975B (en) | Solar cell module | |
| CN104037265A (en) | HIT (Heterojunction with Intrinsic Thin Layer) solar cell and electrode preparation and series connection methods thereof | |
| CN204407339U (en) | Solar module | |
| CN108649087A (en) | A kind of solar cell module and preparation method thereof | |
| CN202049982U (en) | Solar photovoltaic assembly with parallel type battery cell strings | |
| CN108281499B (en) | Novel photovoltaic cell assembly with circuit design | |
| CN101950761A (en) | Novel solar cell and solar photovoltaic module composed thereof | |
| CN210692545U (en) | Photovoltaic module without main grid | |
| CN105552155B (en) | Solar cell module | |
| CN204011446U (en) | A kind of HIT solar cell | |
| CN204348742U (en) | Without main grid high efficiency back contact solar cell and assembly thereof | |
| CN110212051A (en) | A kind of heat resistanceheat resistant spot veneer block photovoltaic module | |
| CN207753025U (en) | Portrait type photovoltaic laminate component | |
| CN114388636A (en) | Back contact battery string, back contact battery assembly and back contact battery system | |
| CN206742256U (en) | A kind of low energy consumption solar cell module | |
| CN214898458U (en) | Back contact solar cell string, assembly and system | |
| CN209561432U (en) | A kind of completely black solar double-glass assemblies of back-contact | |
| CN208781861U (en) | Photovoltaic double-glass assembly | |
| CN216719962U (en) | Back contact battery string, back contact battery assembly and back contact battery system | |
| CN110459636A (en) | Solar cell photovoltaic module and solar cell photovoltaic component | |
| CN206040652U (en) | Solar battery double -glass assembly | |
| CN214068739U (en) | Laminated photovoltaic module with directly parallel-connected battery strings | |
| CN206820003U (en) | Photovoltaic imbrication component | |
| WO2019085447A1 (en) | Back-contact solar cell assembly and preparation method therefor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |