CN206774564U - A kind of dual-glass solar cell assembly of generating electricity on two sides - Google Patents
A kind of dual-glass solar cell assembly of generating electricity on two sides Download PDFInfo
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- CN206774564U CN206774564U CN201720556172.6U CN201720556172U CN206774564U CN 206774564 U CN206774564 U CN 206774564U CN 201720556172 U CN201720556172 U CN 201720556172U CN 206774564 U CN206774564 U CN 206774564U
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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
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Abstract
It the utility model is related to solar photovoltaic technology field, it is desirable to provide a kind of dual-glass solar cell assembly of generating electricity on two sides.Its solar cell string includes several double-side cell pieces, has two main gate lines being parallel to each other on each double-side cell piece, respectively positioned at the opposite end of its tow sides；Each double-side cell piece in wall scroll solar cell string stacks arrangement side by side successively, and mutually fitting end to end for adjacent double-side cell piece makes its main gate line connect to forming cascaded structure；Battery strings both ends are connected to the painting tin copper strips on front glass and rear interior surfaces of glass by busbar respectively.The piece gap in conventional crystalline silicon battery series system is not present in the product, can improve the effective generating area and conversion efficiency of component；Photogenerated current is directly transmitted by the cascaded structure mutually stacked between cell piece, so as to avoid thermal losses when electric current flows through interconnecting strip transmission.Traditional busbar welding sequence is simplified, drastically increases component production efficiency.
Description
Technical field
The utility model belongs to solar photovoltaic technology field, and in particular to a kind of double glass solar energy of generating electricity on two sides
Battery component.
Background technology
Traditional solar cell assembly construction is followed successively by cover-plate glass, hot melt adhesive film, battery, hot melt adhesive film, the back of the body from top to bottom
Plate and the terminal box for playing the frame for improving mechanical strength effect and interconnection effect.The encapsulation of solar cell at present with
Based on cascaded structure, adjacent battery is connected using interconnecting strip, primarily to its output voltage is improved, but this company
The mode of connecing be present：First, interconnecting strip, which will be realized, is cascaded the positive and negative of adjacent cell by polarity, battery it
Between must leave the gap of certain size, inciding the sunshine on this area can not be utilized effectively；Secondly, interconnection
Bar can cause to block to battery front side, influence the power generation performance of component；Meanwhile photogenerated current meeting when being conducted in interconnecting strip
Thermal losses is produced, reduces the power output of component, these are all an important factor for causing component efficiency to be far below battery efficiency.
Present Some Enterprises start to improve generating efficiency using cascaded structure is stacked, and use generating electricity on two sides cell piece system
Into solar double-glass assemblies, component power output and conversion efficiency are considerably improved, but it still uses traditional mode of connection, i.e., first
Battery strings are welded together with busbar, then again together with front and rear glass-encapsulated, complex process, efficiency is low.
Utility model content
The technical problems to be solved in the utility model is to overcome deficiency of the prior art, there is provided a kind of generating electricity on two sides
Dual-glass solar cell assembly.The product uses N-type silicon generating electricity on two sides cell piece, by conductive material by between adjacent battery
Linked together by the way of overlapping end to end, and cell piece string is directly welded on the painting tin copper strips on forward and backward glass, is simplified
The production technology of component, improves production efficiency.
To solve technical problem, solution of the present utility model is：
A kind of dual-glass solar cell assembly of generating electricity on two sides is provided, including the front glass, preceding being sequentially arranged from top to bottom
Hot melt adhesive film, solar cell string, rear hot melt adhesive film and rear glass, wherein solar cell string include several double-side cells
Piece, double-side cell piece surface, which is provided with, is used for the secondary grid line for guiding electric current and the main gate line for collecting secondary grid line electric current；Each
There are two main gate lines being parallel to each other on double-side cell piece, respectively positioned at the opposite end of its tow sides；Wall scroll solar energy
Each double-side cell piece in battery strings stacks arrangement side by side successively, and mutually fitting end to end for adjacent double-side cell piece makes its main gate line
Connect to forming cascaded structure；Set a busbar respectively at the both ends of wall scroll solar cell string, respectively with the two-sided electricity of outermost
The main gate line of pond piece connects, and two busbars are connected with the painting tin copper strips being respectively arranged on front glass and rear interior surfaces of glass, its
In one apply tin copper strips be connected to terminal box.
As an improvement in the position that adjacent double-side cell piece mutually fits, consolidate two main gate lines by conducting resinl
Surely connect.
As an improvement in wall scroll solar cell string, each double-side cell piece is in the headtotail mode being unidirectionally superimposed
It is sequentially arranged.
As an improvement the inner surface regional area in front glass and rear glass is etched with open slot, in open slot
It is embedded in and applies tin copper strap；Or painting tin copper strips is directly pasted onto to the inner surface of front glass and rear glass.
As an improvement the painting tin copper strips on front glass is divided into two sections, it is connected respectively with the both positive and negative polarity of terminal box,
Terminal box is located at the side of dual-glass solar cell assembly.
As an improvement the front glass is super white patterned safety glass, rear glass is float glass process safety glass；It is described double
Face cell piece is the cell piece of N-type silicon generating electricity on two sides.
Compared with prior art, the beneficial effects of the utility model are：
1st, in generating electricity on two sides solar double-glass assemblies, double-side cell piece is connected by the way of mutually stacking, in the absence of conventional crystalline silicon
Piece gap in battery series system, on the premise of size of components is not changed, can improve effective generating area of component with
Conversion efficiency；
2nd, component does not use interconnecting strip, and component facade is more attractive in appearance, cost-effective while avoid to the incident sun
Light is blocked, and photogenerated current is directly transmitted by the cascaded structure mutually stacked between cell piece, so as to avoid electric current
Flow through thermal losses during interconnecting strip transmission.
3rd, the utility model is using double glass structures, and cell piece is double-side cell, it is possible to achieve two sides is sent out simultaneously before and after component
Electricity, the more traditional one side electrification component of outdoor generating performance has notable gain, while solar double-glass assemblies are in resistance to dust storm, salt fog, steam etc.
The performance of aspect is also more more excellent than single glass component, and double glass structures do not have frame, and component is imitated in the absence of potential induction attenuation (PID)
Should.
4th, the utility model by insertion or is pasted onto the painting tin copper strips on glass to transmit the electricity of the photoproduction in each battery strings
Stream, battery strings, which are directly welded in, applies tin copper strips, so as to simplify traditional busbar welding sequence, drastically increases component life
Produce efficiency.
5th, the utility model makes terminal box be located at solar double-glass assemblies side, effectively by optimizing battery strings series-parallel system
Avoid it to block light, improve generating efficiency.
Brief description of the drawings
Fig. 1 is general structure schematic diagram of the present utility model.
Fig. 2 is electrical equipment principle schematic of the present utility model.
Fig. 3 is double-side cell piece schematic diagram of the present utility model.
Fig. 4 is front glass schematic diagram described in the utility model.
Fig. 5 is rear glass schematic diagram described in the utility model.
Fig. 6 is double-side cell piece connected mode schematic diagram described in the utility model.
Fig. 7 is battery strings described in the utility model and the painting tin copper strips connected mode schematic diagram on front glass.
Fig. 8 is battery strings described in the utility model and the painting tin copper strips connected mode schematic diagram on rear glass.
Reference numerals list：
1st, front glass；2nd, hot melt adhesive film；3rd, rear glass；4th, solar cell string；5th, busbar；6th, tin copper strips is applied；7th, connect
Line box；8th, main gate line；9th, secondary grid line；10th, double-side cell piece；11st, conducting resinl.
Embodiment
Below with reference to accompanying drawing, by specific embodiment of the utility model to technical scheme provided by the utility model
It is described in detail, so that those skilled in the art carry out more specific understanding to the utility model.
As shown in figure 1, generating electricity on two sides solar double-glass assemblies are followed successively by front glass 1, (preceding) hot melt adhesive film 2, stacked from top to bottom
Solar cell string 4, (rear) hot melt adhesive film 2 and rear glass 3.Each wall scroll solar cell string 4 includes several two-sided electricity
Pond piece 10.The surface of double-side cell piece 10 is provided with the secondary grid line 9 for being used for guiding electric current, in the phase of the tow sides of double-side cell piece 10
Both ends are each provided with a main gate line 8 (being parallel to each other) for being used to collect the secondary electric current of grid line 9, adjacent double-side cell piece 10
Tail, which mutually fits to stack, makes its main gate line 8 connect to forming cascaded structure, is fixedly connected between the two using conducting resinl 11.In wall scroll
The both ends of solar cell string 4 set a busbar 5 respectively, and the main gate line 8 with outermost double-side cell piece 10 connects respectively, and two
Root busbar 5 is connected with the painting tin copper strips 6 being respectively arranged on front glass 1 and the inner surface of rear glass 3, wherein one applies tin copper strips 6
It is connected to terminal box 7.
In generating electricity on two sides solar double-glass assemblies, solar cell string 4 is connected by hot melt adhesive film 2 with front glass 1, rear glass 3.
In the present embodiment, front glass 1 is super white patterned safety glass, and rear glass 3 is float glass process safety glass, and hot melt adhesive film 2 used is
High saturating EVA material, double-side cell piece 10 used are the cell piece that N-type silicon generates electricity.As shown in figure 3, cascaded structure is preceding a piece of electricity
The back side afterbody of pond piece overlays the positive head of rear a piece of cell piece, respective main gate line 9 is overlaped, and by leading
Electric glue 11 is bonded, and the structure that double-side cell piece 10 is serially connected is as shown in fig. 6, can effectively reduce component entirety light
Learn, electrical losses, lifting assembly power output.
The double glass stacked wafer moudles of generating electricity on two sides described in the utility model use distinctive mode of confluxing.Each solar cell
The opposite end of 4 tow sides of going here and there respectively is associated with one section of busbar 5, as shown in Figure 6.Front glass subregion, which is embedded with, applies tin copper strips
6, such as Fig. 4；Glass part region, which is embedded with, afterwards applies tin copper strips 6, such as Fig. 5；Busbar 5 in battery strings 4 is directly welded in painting tin
On copper strips 6, the transmission of photogenerated current is realized, its circuit theory schematic diagram is as shown in Fig. 2 painting tin copper strips 6 on front glass and electricity
The connection diagram of pond string 4 and terminal box as shown in fig. 7, the connection diagram for applying tin copper strips 6 on battery strings 4 and rear glass such as
Shown in Fig. 8.
Generating electricity on two sides solar double-glass assemblies described in the utility model, its internal cell piece string by the way of mutually stacking
Connection, in the absence of the piece gap in conventional crystalline silicon battery series system, improve the effective generating area and conversion efficiency of component；Group
Part does not use interconnecting strip, and component facade is more attractive in appearance, cost-effective while avoid incident sunshine is blocked；This reality
With new using double glass structures, cell piece is double-side cell, it is possible to achieve two sides generates electricity simultaneously before and after component, outdoor generating performance
More traditional one side electrification component has a notable gain, at the same solar double-glass assemblies resistance to dust storm, salt fog, steam etc. performance also than list
Glass component is more excellent, and double glass structures do not have frame, and component is not present potential induction attenuation (PID) effect, improves bad weather
Lower component reliability；Component uses distinctive mode of confluxing, and battery strings directly weld together with the painting tin copper strips on glass, letter
Change welding procedure, improve component production efficiency.
Be only a specific embodiment of the present utility model herein, specific real data and the selection of material not as
Limit, those skilled in the art can do corresponding adjustment according to being actually needed.
Preferred embodiment of the present utility model is these are only, it is only for ease of skilled in the art realises that the utility model
Technical scheme and its operation principles, not the utility model is any limitation as.Those skilled in the art can be according to the actual requirements
Technical scheme is provided to the utility model to be appropriately modified, and makes an amendment and equivalent transformation is all without departing from the utility model institute
Claimed scope.The utility model interest field claimed, is defined by appended claims.
Claims (6)
1. a kind of dual-glass solar cell assembly of generating electricity on two sides, including front glass, the preceding PUR being sequentially arranged from top to bottom
Film, solar cell string, rear hot melt adhesive film and rear glass, wherein solar cell string include several double-side cell pieces, two-sided
Cell piece surface, which is provided with, is used for the secondary grid line for guiding electric current and the main gate line for collecting secondary grid line electric current；Characterized in that,
There are two main gate lines being parallel to each other on each double-side cell piece, respectively positioned at the opposite end of its tow sides；Wall scroll is too
Each double-side cell piece in positive energy battery strings stacks arrangement side by side successively, and mutually fitting end to end for adjacent double-side cell piece makes its master
Grid line connects to forming cascaded structure；A busbar is set respectively at the both ends of wall scroll solar cell string, it is double with outermost respectively
The main gate line of face cell piece connects, two busbars and the painting tin copper strips phase being respectively arranged on front glass and rear interior surfaces of glass
Even, wherein one applies tin copper strips and is connected to terminal box.
2. dual-glass solar cell assembly according to claim 1, it is characterised in that be mutually affixed in adjacent double-side cell piece
The position of conjunction, two main gate lines are made to be fixedly connected by conducting resinl.
3. dual-glass solar cell assembly according to claim 1, it is characterised in that in wall scroll solar cell string, respectively
Double-side cell piece is in that the headtotail mode being unidirectionally superimposed is sequentially arranged.
4. dual-glass solar cell assembly according to claim 1, it is characterised in that in the inner side of front glass and rear glass
Surface regional area is etched with open slot, is embedded in open slot and applies tin copper strap；Or it will directly apply before tin copper strips is pasted onto
The inner surface of glass and rear glass.
5. dual-glass solar cell assembly according to claim 1, it is characterised in that the painting tin copper strips on front glass
It is divided into two sections, is connected respectively with the both positive and negative polarity of terminal box, terminal box is located at the side of dual-glass solar cell assembly.
6. dual-glass solar cell assembly according to claim 1, it is characterised in that the front glass is super white patterned steel
Change glass, rear glass is float glass process safety glass；The double-side cell piece is the cell piece of N-type silicon generating electricity on two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720556172.6U CN206774564U (en) | 2017-05-18 | 2017-05-18 | A kind of dual-glass solar cell assembly of generating electricity on two sides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720556172.6U CN206774564U (en) | 2017-05-18 | 2017-05-18 | A kind of dual-glass solar cell assembly of generating electricity on two sides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206774564U true CN206774564U (en) | 2017-12-19 |
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ID=60640116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720556172.6U Active CN206774564U (en) | 2017-05-18 | 2017-05-18 | A kind of dual-glass solar cell assembly of generating electricity on two sides |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461551A (en) * | 2018-03-26 | 2018-08-28 | 天合光能股份有限公司 | A kind of solar battery sheet and lamination dual-glass solar cell assembly |
| CN112563358A (en) * | 2020-12-14 | 2021-03-26 | 浙江大学 | Double-glass laminated tile photovoltaic module |
-
2017
- 2017-05-18 CN CN201720556172.6U patent/CN206774564U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108461551A (en) * | 2018-03-26 | 2018-08-28 | 天合光能股份有限公司 | A kind of solar battery sheet and lamination dual-glass solar cell assembly |
| CN112563358A (en) * | 2020-12-14 | 2021-03-26 | 浙江大学 | Double-glass laminated tile photovoltaic module |
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