CN203850313U - Solar photovoltaic assembly with three junction box structures - Google Patents
Solar photovoltaic assembly with three junction box structures Download PDFInfo
- Publication number
- CN203850313U CN203850313U CN201420150552.6U CN201420150552U CN203850313U CN 203850313 U CN203850313 U CN 203850313U CN 201420150552 U CN201420150552 U CN 201420150552U CN 203850313 U CN203850313 U CN 203850313U
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- CN
- China
- Prior art keywords
- glass
- terminal box
- photovoltaic assembly
- eva
- solar photovoltaic
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- 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.)
- Expired - Fee Related
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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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- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a solar photovoltaic assembly three junction box structures, which comprises a back board. An upper EVA film, a solar cell panel, a lower EVA film and glass are successively arranged below the back board, wherein the back board is provided with three junction boxes. Two sides of the back board are respectively provided with an anode lead and a cathode lead of the assembly. The middle part of the back board is provided with the junction boxes which are connected with two cell strings. The solar cell panel (3) is connected with the three junction boxes respectively through bus bars. According to the solar photovoltaic assembly, through design for a laying drawing, use length of the bus bar is reduced and length of a junction box cable is also reduced. Simultaneously single-chip power of the solar photovoltaic assembly is improved, and material for the junction boxes is also reduced. The cost is reduced for 10%, thereby reducing production cost of the solar photovoltaic assembly and improving market competitive power of the photovoltaic assembly.
Description
Technical field
The utility model belongs to solar-photovoltaic technology field, relates to a kind of solar photovoltaic assembly with three terminal box laminated construction.
Background technology
Along with global energy crisis is day by day serious, the urgent hope of people can be found a kind of clean energy resource of sustainable development.Solar energy is as a kind of inexhaustible natural energy source, day by day receive the concern of countries in the world, because photovoltaic industry competition both at home and abroad is at present too fierce, cause the price of solar components to drop many times, so can only be from saving raw material, but the performance that does not affect assembly starts with, then our innovation and creation a kind of saving raw material, the method for packing of lifting subassembly power output, experimental results show that through various the method is effective and feasible.
Solar components encapsulation is mainly welded cell piece, and encapsulation, by the less cell piece process connection in series-parallel of voltage, forms the DC power supply output of 12V or 24V.Encapsulation is the committed step during solar photovoltaic assembly is produced, and there is no good packaging technology, solar photovoltaic assembly that more also can not produce of good cell piece.The encapsulation of cell piece not only can make the life-span of battery be guaranteed, but also has strengthened the anti-shock strength of battery.The high-quality of product and high life are the satisfied keys of Win Clients, so the package quality of assembly is extremely important.
Summary of the invention
The technical problem that the utility model solves is to provide a kind of solar photovoltaic assembly with three junction box structures.
The utility model is to be achieved through the following technical solutions:
A solar photovoltaic assembly with three terminal box laminated construction, is characterized in that, comprises backboard, is provided with successively upper strata EVA film, solar panel, the EVA of lower floor film and glass, wherein under backboard
On described backboard, be provided with three terminal boxes, the positive and negative lead wires that both sides are assembly, middle for connecting the terminal box of two string battery strings;
Described solar panel is connected respectively with three terminal boxes by convergent belt.
Backboard after above-mentioned lamination, upper strata EVA film, solar panel, the EVA of lower floor film and glass are fixed by having the frame of mounting groove, be marked with frame fluid sealant and fluid sealant and overflow in mounting groove.
The EVA of the Yi Ce lower floor film of above-mentioned glass stretches out glass edge along outer 2～5 mm, and upper strata EVA film is laid extremely apart from glass edge along 2～5 mm; In the laying of the EVA of opposite side lower floor of glass film, extremely apart from glass edge along 2～5 mm, upper strata EVA film stretches out glass edge along outer 2～5 mm.
All lay apart from frame edge 10～20mm above-mentioned solar panel both sides.
Above-mentioned three terminal boxes are respectively anodal terminal boxes, negative pole terminal box, the middle terminal box that connects two string cell pieces.
The technique effect that the utility model is useful:
1. the utility model has reduced the about 1.5m of length of assembly convergent belt, and the about 1.5m of positive-negative polarity length of cable contraction in length will increase the about 1.0-1.5W of power stage simultaneously;
2. the utility model, owing to having used the structure of three terminal box laminations, makes the significantly minimizings such as materials of terminal box, makes box cost approximately 10%;
3. this kind of laminate packaging mode effectively reduced the raw material of solar photovoltaic assembly, thereby reduces solar photovoltaic assembly price, improves the market competitiveness.
The solar photovoltaic assembly with three junction box structures that the utility model provides, through to laying the design of drawing etc., checking, can meet the requirement of IEC61215 and UL61730 completely, simple to operate, safe and reliable in process of production.
Accompanying drawing explanation
Fig. 1 is the lamination schematic diagram of solar photovoltaic assembly;
The lamination schematic diagram of the EVA of Tu2Wei lower floor film and glass;
The lamination schematic diagram of the EVA of Tu3Wei lower floor film, upper strata EVA film and glass;
Fig. 4 is three junction box assembly electrical connection diagrams.
Wherein: 1-glass; The EVA of 2-lower floor film; 3-solar battery array; 4-upper strata EVA film, 5-backboard, 6-anodal terminal box, 7-negative pole terminal box, the 8-middle terminal box that connects two string cell pieces.
Embodiment
Referring to Fig. 1～Fig. 4, a kind of solar photovoltaic assembly with three terminal box laminated construction, comprise backboard 5, on backboard 5, be provided with successively anodal terminal box 6, negative pole terminal box 7, the middle terminal box 8 that connects two string cell pieces, upper strata EVA film 4, solar panel 3, the EVA of lower floor film 2 and glass 1, solar cell string 3 is connected with terminal box by convergent belt; At the Yi Ce of glass 1 EVA of lower floor film 2, stretch out 2～5 mm outside glass 1 edge, upper strata EVA film 4 is laid extremely apart from glass 1 edge 2～5 mm; In 2 layings of the EVA of opposite side lower floor of glass 1 film, extremely apart from glass 1 edge 2～5 mm, upper strata EVA film 4 stretches out 2～5 mm outside glass 1 edge.
Concrete, all lay apart from glass 1 edge 10～20mm described solar panel 3 both sides.
And lamination postnotum 5, upper strata EVA film 4, solar panel 3, the EVA of lower floor film 2 and glass 1 are also by having frame fixing of mounting groove, be marked with frame fluid sealant and fluid sealant and overflow in mounting groove.
Packaging technology flow process comprises: 1, glass is placed on lamination frame, 2, an EVA of paving, 3, battery strings is placed on above EVA, 4, with convergent belt, battery strings is connected to 5, with fixation adhesive tape, battery strings is fixed, 6, repave an EVA, 7, at lamination head, EVA is cut to " L " type opening, convergent belt exit is worn out to 8, that backboard is layered on to EVA is upper, 9, convergent belt exit is worn out from backboard tapping from opening part.Main raw material are glass, EVA, cell piece, welding, convergent belt, fixation adhesive tape, solder stick, backboard, terminal box, frame, silica gel etc.
Provide the above-mentioned stacked package process with the solar photovoltaic assembly of three terminal box laminated construction below:
1) toughened glass is placed on lamination shelf;
2) get an EVA film and be laid on glassly, lamination is divided into head and two lamination personnel of afterbody, and lamination personnel observe from the head: left side EVA film will exceed glass 5mm, and right side EVA film will exceed glass 5mm;
3) battery strings is laid on EVA film according to a definite sequence, with convergent belt, battery strings is coupled together, with fixation adhesive tape, battery strings is fixed to string spacing;
4) get an EVA film again and be laid in battery strings, lamination personnel observe from the head: left side EVA film will exceed glass 5mm, and right side EVA film will exceed glass 5mm;
5) head lamination personnel cut an aperture with scissors by the EVA above battery strings, and convergent belt exit is taken out;
6) get a backboard and be laid in topmost, convergent belt exit is drawn out from holding the backboard the inside in hole successfully, lamination completes;
7) assembly of the five-layer structure laying is carried out to lamination, after lamination, laminate is carried out to deburring, will
Unnecessary backboard and EVA bar ream;
8) stamp the silica gel of bonding terminal box and backboard to 6,7,8 dozens of glue regions of terminal box;
9) terminal box 6,7,8 are arranged on backboard, and cable both positive and negative polarity cable is carried out bonding.
With convergent belt use amount before, compare, each assembly convergent belt use amount will reduce 1.5m, compare with original terminal box length of cable; Each assembly length of cable will shorten 1.5m, and power stage is than the original 1.0-1.5W left and right that promotes, and it is original 10% that the use amount of joint-box compound reduces to, and terminal box cost will be saved 10% left and right.
Above-mentioned solar photovoltaic assembly encapsulating structure mode is simple to operate, electrical connection convenience in process of production, safe and reliable.Through checking, all can meet the related request of IEC61215 and UL61730.
Claims (5)
1. a solar photovoltaic assembly with three terminal box laminated construction, is characterized in that, comprises backboard (5), is provided with successively upper strata EVA film (4), solar panel (3), the EVA of lower floor film (2) and glass (1), wherein under backboard (5)
On described backboard (5), be provided with three terminal boxes, the positive and negative lead wires that both sides are assembly, middle for connecting the terminal box of two string battery strings;
Described solar panel (3) is connected respectively with three terminal boxes by convergent belt.
2. the solar photovoltaic assembly with three terminal box laminated construction as claimed in claim 1, it is characterized in that, backboard after lamination (5), upper strata EVA film (4), solar panel (3), the EVA of lower floor film (2) and glass (1) are fixed by having the frame of mounting groove, be marked with frame fluid sealant and fluid sealant and overflow in mounting groove.
3. the solar photovoltaic assembly with three terminal box laminated construction as claimed in claim 1 or 2, it is characterized in that, the EVA of the Yi Ce lower floor film (2) of described glass (1) stretches out 2～5 mm outside glass (1) edge, and upper strata EVA film (4) is laid extremely apart from glass (1) edge 2～5 mm; In the EVA of opposite side lower floor of glass (1) film (2) laying, extremely apart from glass (1) edge 2～5 mm, upper strata EVA film (4) stretches out 2～5 mm outside glass (1) edge.
4. have as claimed in claim 3 the solar photovoltaic assembly of three terminal box laminated construction, it is characterized in that, all lay apart from frame edge 10～20mm solar panel (3) both sides.
5. the solar photovoltaic assembly with three terminal box laminated construction as claimed in claim 1, is characterized in that, described three terminal boxes are respectively anodal terminal box (6), negative pole terminal box (7), the middle terminal box (8) that connects two string cell pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150552.6U CN203850313U (en) | 2014-03-31 | 2014-03-31 | Solar photovoltaic assembly with three junction box structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150552.6U CN203850313U (en) | 2014-03-31 | 2014-03-31 | Solar photovoltaic assembly with three junction box structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203850313U true CN203850313U (en) | 2014-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420150552.6U Expired - Fee Related CN203850313U (en) | 2014-03-31 | 2014-03-31 | Solar photovoltaic assembly with three junction box structures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203850313U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684207A (en) * | 2016-11-30 | 2017-05-17 | 安徽振兴光伏新能源有限公司 | Solar panel lamination manufacturing technology |
| WO2017211180A1 (en) * | 2016-06-06 | 2017-12-14 | 刘申冉 | Solar cell module packaging technique |
| CN115015607A (en) * | 2022-06-02 | 2022-09-06 | 英利能源发展有限公司 | Manufacturing method of split junction box test sample and test method of photovoltaic module |
-
2014
- 2014-03-31 CN CN201420150552.6U patent/CN203850313U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017211180A1 (en) * | 2016-06-06 | 2017-12-14 | 刘申冉 | Solar cell module packaging technique |
| CN106684207A (en) * | 2016-11-30 | 2017-05-17 | 安徽振兴光伏新能源有限公司 | Solar panel lamination manufacturing technology |
| CN115015607A (en) * | 2022-06-02 | 2022-09-06 | 英利能源发展有限公司 | Manufacturing method of split junction box test sample and test method of photovoltaic module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20160331 |
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| CF01 | Termination of patent right due to non-payment of annual fee |