CN204597880U - A kind of parallel low-pressure membrane solar module - Google Patents
A kind of parallel low-pressure membrane solar module Download PDFInfo
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- CN204597880U CN204597880U CN201520324730.7U CN201520324730U CN204597880U CN 204597880 U CN204597880 U CN 204597880U CN 201520324730 U CN201520324730 U CN 201520324730U CN 204597880 U CN204597880 U CN 204597880U
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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
The utility model discloses a kind of parallel low-pressure membrane solar module, comprise hull cell and terminal box, hull cell is placed in terminal box, described terminal box is three joint terminal boxes, junction box is provided with three electrode leads to client soldering tips, described hull cell inside forms two cell partitions, two cell partitions are for being connected in parallel, each cell partitions all realizes inner conducting by laser ablation mode, form both positive and negative polarity exit, the electrode leads to client parallel connection formation common electrode that two cell partitions are adjacent, two other electrode leads to client is single electrode, common electrode and two single electrodes form three electrodes that hull cell matches with electrode leads to client soldering tip.The parallel connection structure of the multiple cell partitions of the utility model parallel low-pressure membrane solar module, the electrical property that can adjust hull cell flexibly exports, the introducing of three joint terminal boxes and setting, can effectively reduce solder joint number, reduces product failure risk.
Description
Technical field
The utility model relates to solar module, specifically refers to a kind of parallel low-pressure membrane solar module.
Background technology
Traditional stiffness films battery, compared with crystal silicon cell assembly, be in particular on electrical property, general Vov is higher, and Isc is less than normal, for application and some problems of popularization existence of product.Compared with crystal silicon battery; in hull cell electrical property, Voc is higher and Isc is on the low side; the problem of mating with storage battery is there is in application end; especially in extensive power plant application; same power plant scale needs the more inverter of extra increase to meet hull cell voltage requirements; increase system equipment cost, be unfavorable for that the large-scale of product is promoted.
Simultaneously because conventional low assembly adopts the method extracted current welding conductive strips on back electrode, make its common anode (negative electrode) in parallel, thus cause the arrangement of back electrode conductive strips to become more complicated and thickness increase, junction can be folded in drainage and form multiple solder joint, if the solder joint place of a certain shared polarity occurs abnormal, whole battery failure will be caused.
Along with the development gradually in solar energy market, solar components be widely used in large-scale power station construction, family civil systems, from grid-connected application product etc.The feature adjustable relative to crystal silicon battery permutation and combination, hull cell also exists the higher problem of Voc electrical property.For large-scale power station system, single inverter can press solidly calmly in coupling assembling crosstalk, if so unimodule Voc is higher, same system installation amount just needs more inverter to meet the demands, and increases equipment cost.For from net application product, the daily charge prepd voltage that needs mostly is 12V, 24V and 36V, charges according to high potential assembly, needs additionally to increase dropping equipment, increases cost.Above drawback does not all utilize further genralrlization and the application of hull cell.
Utility model content
The purpose of this utility model is to provide a kind of parallel low-pressure membrane solar module, it have employed the cascaded structure that laser ablation mode realizes in each subregion, the parallel-connection structure of each by stages is realized again by external wire, introduce three joint terminal boxes simultaneously, its electrical property that can adjust hull cell flexibly exports, can effectively reduce solder joint number, reduce product failure risk.
The utility model can be achieved through the following technical solutions:
A kind of parallel low-pressure membrane solar module, comprise hull cell and terminal box, hull cell is placed in terminal box, described terminal box is three joint terminal boxes, junction box is provided with three electrode leads to client soldering tips, described hull cell inside forms two cell partitions, two cell partitions are for being connected in parallel, each cell partitions all realizes inner conducting by laser ablation mode, form both positive and negative polarity exit, the electrode leads to client parallel connection formation common electrode that two cell partitions are adjacent, two other electrode leads to client is single electrode, common electrode and two single electrodes form hull cells match with electrode leads to client soldering tip three electrodes.The parallel-connection structure being realized two by stages by external wire is arranged, and three introducings of joint terminal box, its electrical property that not only can adjust hull cell flexibly exports, can effectively reduce solder joint number, the excessive hidden danger brought of positive lead electric current can be avoided, reduce product failure risk, and decrease production craft step, reduce production cost.
Further, described cell partitions is provided with electrode layer, laser ablation silica-base film layer and laser ablation dorsum electrode layer before laser ablation all successively, before described laser ablation, electrode layer, laser ablation silica-base film layer and laser ablation dorsum electrode layer form first ditch, second ditch and the 3rd road ditch, first ditch in two cell partitions, second ditch and the 3rd road ditch are specular distribution relative to common electrode, two or more sub-battery is equipped with, for being connected in series between each sub-battery in each cell partitions.In each cell partitions, multiple sub-battery realizes connect in series structure by laser ablation mode, can according to different voltage and current demands during use, by width and the quantity of the sub-battery of unit in adjustment cell partitions, the electrical property adjusting hull cell flexibly exports, with practical requirement, effectively avoid waste, promote the utilance of battery.
Further, described common electrode is by the negative or positive electrode of the conductive strips extraction electrode that confluxes, described in the conductive strips that conflux be made up of aluminium strip or Copper-Aluminum compound band or conductive tape.To conflux the introducing of conductive strips, abandon traditional bonding wire as tinned wird, choose other if aluminium strip or the more economic material such as Copper-Aluminum compound band or conductive tape are as connecting line, effectively reduce the cost of raw material.
Further, when described common electrode is positive pole, before each cell partitions inner laser etching, electrode layer, laser ablation silica-base film layer and laser ablation dorsum electrode layer from inside to outside set gradually, and before the laser ablation of two cell partitions, electrode layer is adjacent;
When described common electrode is negative pole, before each cell partitions inner laser etching, electrode layer, laser ablation silica-base film layer and laser ablation dorsum electrode layer set gradually from outside to inside, and the laser ablation dorsum electrode layer of two cell partitions is adjacent.
Further, when described common electrode is positive pole, the width of common electrode equals 2 times of sub-cell widths, and the conductive strips width that confluxes equals 2 times of other negative conductive band.
Further, insulating material is pasted with below vertical with the laser ablation conductive strips that conflux.
Further, described insulating material is PET.
Further, described common electrode lead-in wire and single electrode are provided with backward diode between going between.
The parallel low-pressure membrane solar module of the utility model, compared with prior art, has following beneficial effect:
The electrical property that the first, can adjust hull cell flexibly exports, easy to use, in each cell partitions, multiple sub-battery realizes connect in series structure by laser ablation mode, can according to different voltage and current demands during use, by width and the quantity of the sub-battery of unit in adjustment cell partitions, or the quantity of adjustment cell partitions, the electrical property adjusting hull cell flexibly exports, to meet different system generating or charge condition, easy to use, effectively avoid waste, promote the utilance of battery;
The second, product failure risk is reduced, the parallel-connection structure being realized two by stages by external wire (conflux conductive strips) is arranged, and three introducings of joint terminal box, can effectively reduce solder joint number, effectively avoid the excessive hidden danger brought of positive lead electric current, avoid and cause because of the open circuit of a certain cell partitions the situation that whole battery performance lost efficacy, significantly reduce product failure risk;
Three, production cost is reduced, the parallel-connection structure setting of multiple by stages is realized on the one hand by external wire (conflux conductive strips), and three introducings of joint terminal box, can effectively reduce solder joint number, reduce production craft step, namely production cost is reduced from processing step aspect, on the other hand, to conflux the introducing of conductive strips, abandon traditional bonding wire as tinned wird, choose other if aluminium strip or the more economic material such as Copper-Aluminum compound band or conductive tape are as connecting line, effectively reduce the cost of raw material, namely reduce production cost from raw material aspect.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the parallel low-pressure membrane solar module of the utility model;
Accompanying drawing 2 is the battery etching schematic diagram of the cell partitions sharing positive pole;
Accompanying drawing 3 is the battery etching schematic diagram of the cell partitions sharing negative pole.
Reference numeral is: 1, electrode layer before laser ablation, 2, laser ablation silica-base film layer, 3, laser ablation dorsum electrode layer, 4, single electrode, 5, common electrode, 6, common electrode lead-in wire, 7, single electrode lead-in wire, 8, backward diode.
Embodiment
In order to make those skilled in the art person understand the technical solution of the utility model better, below in conjunction with embodiment and accompanying drawing, the utility model product is described in further detail.
As Fig. 1, shown in Fig. 2, a kind of parallel low-pressure membrane solar module, comprise hull cell and terminal box, hull cell is placed in terminal box, it is characterized in that: described terminal box is three joint terminal boxes, junction box is provided with three electrode leads to client soldering tips, described hull cell inside forms two cell partitions, two cell partitions are for being connected in parallel, each cell partitions all realizes inner conducting by laser ablation mode, form both positive and negative polarity exit, the electrode leads to client parallel connection formation common electrode 5 that two cell partitions are adjacent, two other electrode leads to client is single electrode 4, common electrode 5 and two single electrodes 4 form hull cell matches with electrode leads to client soldering tip three electrodes.Described cell partitions is provided with electrode layer 1, laser ablation silica-base film layer 2 and laser ablation dorsum electrode layer 3 before laser ablation all successively, before described laser ablation, electrode layer 1, laser ablation silica-base film layer 2 and laser ablation dorsum electrode layer 3 form first ditch, second ditch and the 3rd road ditch, first ditch in two cell partitions, second ditch and the 3rd road ditch are specular distribution relative to common electrode, two or more sub-battery is equipped with, for being connected in series between each sub-battery in each cell partitions.Described common electrode 5 is by the negative or positive electrode of the conductive strips extraction electrode that confluxes.
As shown in Figure 2, when described common electrode 5 is positive pole, before the inner laser etching of each cell partitions, electrode layer 1, laser ablation silica-base film layer 2 and laser ablation dorsum electrode layer 3 from inside to outside set gradually, before the laser ablation of two cell partitions, electrode layer 1 is adjacent, the width of common electrode 5 equals 2 times of sub-cell widths, and the conductive strips width that confluxes equals 2 times of other negative conductive band.
As shown in Figure 3, when described common electrode 5 is negative pole, before each cell partitions inner laser etching, electrode layer 1, laser ablation silica-base film layer 2 and laser ablation dorsum electrode layer 3 set gradually from outside to inside, and the laser ablation dorsum electrode layer 3 of two cell partitions is adjacent.
As shown in Figure 1 to Figure 3, the described conductive strips that conflux are made up of aluminium strip or Copper-Aluminum compound band or conductive tape, be pasted with insulating material below the conductive strips that conflux vertical with laser ablation, described insulating material is PET, and described common electrode lead-in wire 6 and single electrode go between 7 and be provided with backward diode 8.
The above, be only preferred embodiment of the present utility model, not does any pro forma restriction to the utility model; The those of ordinary skill of all industry all can shown in by specification accompanying drawing and the above and implement the utility model swimmingly; But all those skilled in the art are not departing within the scope of technical solutions of the utility model, disclosed above technology contents can be utilized and make a little change, modify with differentiation equivalent variations, be Equivalent embodiments of the present utility model; Meanwhile, all according to substantial technological of the present utility model to the change of any equivalent variations that above embodiment is done, modify and differentiation etc., within the protection range all still belonging to the technical solution of the utility model.
Claims (8)
1. a parallel low-pressure membrane solar module, comprise hull cell and terminal box, hull cell is placed in terminal box, it is characterized in that: described terminal box is three joint terminal boxes, junction box is provided with three electrode leads to client soldering tips, described hull cell inside forms two cell partitions, two cell partitions are for being connected in parallel, each cell partitions all realizes inner conducting by laser ablation mode, form both positive and negative polarity exit, electrode leads to client parallel connection formation common electrode (5) that two cell partitions are adjacent, two other electrode leads to client is single electrode (4), common electrode (5) and two single electrodes (4) form hull cells match with electrode leads to client soldering tip three electrodes.
2. parallel low-pressure membrane solar module according to claim 1, it is characterized in that: described cell partitions is provided with electrode layer (1) before laser ablation all successively, laser ablation silica-base film layer (2) and laser ablation dorsum electrode layer (3), electrode layer (1) before described laser ablation, laser ablation silica-base film layer (2) and laser ablation dorsum electrode layer (3) form first ditch, second ditch and the 3rd road ditch, first ditch in two cell partitions, second ditch and the 3rd road ditch are specular distribution relative to common electrode, two or more sub-battery is equipped with in each cell partitions, for being connected in series between each sub-battery.
3. parallel low-pressure membrane solar module according to claim 1 and 2, is characterized in that: described common electrode (5) is by the negative or positive electrode of the conductive strips extraction electrode that confluxes.
4. parallel low-pressure membrane solar module according to claim 3, it is characterized in that: when described common electrode (5) is for positive pole, before the inner laser etching of each cell partitions, electrode layer (1), laser ablation silica-base film layer (2) and laser ablation dorsum electrode layer (3) from inside to outside set gradually, and before the laser ablation of two cell partitions, electrode layer (1) is adjacent;
When described common electrode (5) is for negative pole, before the inner laser etching of each cell partitions, electrode layer (1), laser ablation silica-base film layer (2) and laser ablation dorsum electrode layer (3) set gradually from outside to inside, and the laser ablation dorsum electrode layer (3) of two cell partitions is adjacent.
5. parallel low-pressure membrane solar module according to claim 4, it is characterized in that: when described common electrode (5) is for positive pole, the width of common electrode (5) equals 2 times of sub-cell widths, and the conductive strips width that confluxes equals 2 times of other negative conductive band.
6. parallel low-pressure membrane solar module according to claim 5, is characterized in that: described in the conductive strips that conflux be made up of aluminium strip or Copper-Aluminum compound band or conductive tape.
7. parallel low-pressure membrane solar module according to claim 6, is characterized in that: be pasted with insulating material below the conductive strips that conflux vertical with laser ablation.
8. parallel low-pressure membrane solar module according to claim 7, is characterized in that: described insulating material is PET.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520324730.7U CN204597880U (en) | 2015-05-20 | 2015-05-20 | A kind of parallel low-pressure membrane solar module |
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| CN201520324730.7U CN204597880U (en) | 2015-05-20 | 2015-05-20 | A kind of parallel low-pressure membrane solar module |
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| CN204597880U true CN204597880U (en) | 2015-08-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653879A (en) * | 2017-01-13 | 2017-05-10 | 中山瑞科新能源有限公司 | Multi-parallel low-on-voltage thin film battery pack |
| WO2021082295A1 (en) * | 2019-10-31 | 2021-05-06 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack, device and failure processing method |
| CN114284548A (en) * | 2021-12-22 | 2022-04-05 | 远景动力技术(江苏)有限公司 | Battery cell of all-solid-state battery, all-solid-state battery and electronic equipment |
-
2015
- 2015-05-20 CN CN201520324730.7U patent/CN204597880U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653879A (en) * | 2017-01-13 | 2017-05-10 | 中山瑞科新能源有限公司 | Multi-parallel low-on-voltage thin film battery pack |
| CN106653879B (en) * | 2017-01-13 | 2018-06-26 | 中山瑞科新能源有限公司 | A kind of multi-parallel is low to open pressure film battery assembly |
| WO2021082295A1 (en) * | 2019-10-31 | 2021-05-06 | 宁德时代新能源科技股份有限公司 | Battery module, battery pack, device and failure processing method |
| CN114284548A (en) * | 2021-12-22 | 2022-04-05 | 远景动力技术(江苏)有限公司 | Battery cell of all-solid-state battery, all-solid-state battery and electronic equipment |
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