CN106026905A - Photovoltaic assembly with built-in diodes - Google Patents
Photovoltaic assembly with built-in diodes Download PDFInfo
- Publication number
- CN106026905A CN106026905A CN201610476065.2A CN201610476065A CN106026905A CN 106026905 A CN106026905 A CN 106026905A CN 201610476065 A CN201610476065 A CN 201610476065A CN 106026905 A CN106026905 A CN 106026905A
- Authority
- CN
- China
- Prior art keywords
- diode
- busbar
- photovoltaic module
- backboard
- 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000003491 array Methods 0.000 claims description 4
- 238000010079 rubber tapping Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 2
- 238000003475 lamination Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 239000002985 plastic film Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/044—PV modules or arrays of single PV cells including bypass diodes
-
- 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)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses a photovoltaic assembly with built-in diodes. The assembly comprises a front glass plate, a solar energy cell array, back plates and a wire box arranged on the back plate, wherein the solar energy cell array comprises multiple series connection solar energy strings. The assembly is characterized in that the diodes are connected between two bypass cell strings, positive and negative electrodes of the diodes are respectively pre-welded with one segment of bus bar, one electrodes are needed to lead out pre-welded longer bus bars connected with the wire box, during assembly lamination, the diodes pre-welded with the bus bars are connected between two bypass cell strings according to polarity, for one ends pre-welded with longer bus bars, relatively extra parts of the longer bus bars are bent to lead outside the assembly and are used for connecting with the positive/negative electrodes of the wire box, positions of the back plate corresponding to the diodes are respectively provided with an opening, and the bus bars after being bent on the diodes are led out from the openings. The assembly is convenient for part maintenance and replacement, and cost is reduced.
Description
Technical field
The present invention relates to solar photovoltaic assembly technical field, in particular to the photovoltaic module of a kind of diode-built-in.
Background technology
The rosette that the photovoltaic module of prior art uses, no matter split or single-gang junction box, diode is all located in rosette.Such structure causes rosette volume big, and materials are many, cost of idleness.And owing to diode is in rosette, also it is unfavorable for heat radiation.Although the photovoltaic module structure occurred in that at present in the not online box of diode, but its structure existing defects.
As Authorization Notice No. be CN201682236U, the Chinese patent of the rosette of entitled a kind of solar photovoltaic assembly, it discloses a kind of a kind of solar photovoltaic assembly that bypass diode unit is connected to box portion outside by the groove on box body, although solar photovoltaic assembly disclosed in this patent by diode from box body external out.But it is still connected on box body, really diode is not arranged on inside photovoltaic module.
If Chinese patent application publication No. is that CN102751358A discloses a kind of diode-built-in solar components, use chip diode, although achieve diode built-in with photovoltaic module inside, but need to open whole backboard when diode damages and needs and change or glass plate is replaced, assembly can be damaged, be difficult to operation.
Summary of the invention
It is an object of the invention to provide a kind of diode and be built in assembly, and the solar components being easily changed after diode damages.
To this end, the present invention adopts the following technical scheme that
A kind of photovoltaic module of diode-built-in, including front glass panel, solaode chip arrays, backboard and the line box being arranged on backboard, solaode chip arrays includes some solaode strings being connected in series, it is characterised in that need to connect between two string battery strings of bypass have diode；Respectively one section of busbar of welding the most in advance on the both positive and negative polarity of described diode, and wherein a pole needs what extraction was connected with line box to weld longer busbar the most in advance；During component stack, it is connected to need the two of bypass to go here and there between battery strings by polarity the diode having welded busbar in advance；Weld one end of longer busbar in advance, then this section of bus bar grown has been turned up outside extraction assembly, for being attached with line box positive/negative；One perforate is set at the backboard of diode correspondence position；The busbar drawn after turning up on described diode is derived from tapping；Described line box is arranged in perforate, is used for sealing perforate.
Further, the busbar same material that the busbar on the both positive and negative polarity of described diode uses with photovoltaic module.
Further, described line box is provided with turns up the busbar pad that is connected of end with busbar.
Further, described backboard having perforate at diode correspondence position, perforate size can just spill diode and welding position, diode two ends, when later stage diode damages, can change diode from tapping easily, without assembly is caused damage.
Further, the size of described line box coordinates with the perforate size arranged at backboard, and described line box covers the perforate on backboard after installing.
Further, described line box includes positive pole box body, negative pole box and middle box body.
Further, the quantity of bypass diode can be 2 or more than 2, and bypass diode is encapsulated in assembly.
Further, described backboard uses conventional photovoltaic backboard, or glass plate.
What the present invention realized has the beneficial effect that:
1, by being pre-welded to the busbar on diode both positive and negative polarity, directly diode is built in assembly；Simultaneously by the busbar of diode one end is turned up extraction, and one end of diode is connected by the mode offering perforate on backboard or back of the body glass with line box, and perforate can only be covered by the position of line box.Follow-up if it occur that diode damages, only line box need to be dismantled, excavate silica gel and EVA, it is possible to change diode, wire terminal box again after replacing.
2, built-in due to diode, line box need not the reserved position placing diode, it is the least that the volume of positive and negative polar curve box can do, and the line box of centre welds outside assembly owing to need not draw lead-out wire, can not want or have only to a plastic sheet, therefore can save line box materials greatly.
3, need not in line box design diode circuit, save the copper sheet arranging diode, it is not necessary to consider the heat radiation of diode, line box body is long-pending can be reduced further.
4, built-in diode, the good a bit of busbar of welding on the two poles of the earth of diode, connects busbar in busbar and assembly during component stack in advance, and operation is simple and reliable.
5, after the long-pending reduction of line box body, the bonding required silica gel of corresponding and assembly and the casting glue consumption sealed also can significantly reduce.
If 6 diodes damage, directly change diode, it is not necessary to change box body.
In sum, the cost of rosette can decline to a great extent.
Accompanying drawing explanation
Fig. 1 a is the structural representation of the photovoltaic module of the present invention；
Fig. 1 b-1d is A portion in Fig. 1, B portion, C portion enlarged drawing；
Fig. 2 is the internal wiring connection figure of photovoltaic module of the present invention；
Fig. 3 is the line box structural representation of photovoltaic module of the present invention；
Fig. 4 a and Fig. 4 b is the schematic diagram that photovoltaic module of the present invention uses state.
In figure, 1 is front glass, and 2 is front/rear encapsulating material layer, and 3 is battery strings, and 4 is backboard or back of the body glass, and 5 is busbar, and 6 is rosette, and 7 is cable, and 8 is diode, and 9 is lid.
Detailed description of the invention
Embodiment 1, sees Fig. 1-Fig. 4.
Present embodiments providing the photovoltaic module of a kind of diode-built-in, as shown in Fig. 1 a-Fig. 1 d and Fig. 2, described photovoltaic module includes front glass 1, front/rear encapsulating material layer 2, battery strings 3, busbar 5 and backboard or back of the body glass 4.Being provided with rosette 6 on backboard or back of the body glass 4, rosette 6 connects cable 7 and anode and cathode terminals.As it is shown on figure 3, on the both positive and negative polarity of diode 8 respectively one section of busbar 5 of welding the most in advance, and wherein a pole needs what extraction was connected with line box to weld longer busbar the most in advance.During component stack, it is connected to need the two of bypass to go here and there between battery strings by polarity the diode 8 with busbar 5.Weld one end of longer busbar 5 in advance, this section of bus bar grown has been turned up outside extraction assembly.Busbar on described diode 8 is identical with busbar in assembly, convenient welding.The most longer busbar part being folded around and line box welding use, busbar welding use in flat part and assembly.As it is shown on figure 3, have the pad being connected with extension in line box, extension is attached with line box positive/negative.Then lid EVA and backboard/rear glass, arranges a perforate simultaneously at the backboard/glass of diode correspondence position, and is passed from above-mentioned perforate by the lead-out wire needed and line box connects.Finally it is laminated, after lamination, homologous pair box is installed by correspondence position.As shown in Fig. 1 a-Fig. 1 d, Fig. 4 a and Fig. 4 b, described line box is arranged on the position that perforate is corresponding, and line box size coordinates with perforate size, just can cover perforate.Follow-up only line box need to be dismantled if it occur that diode damages, excavate silica gel and EVA, change diode, wire terminal box again after replacing.
Above-mentioned diode, designs according to assembly circuit, and the quantity of bypass diode can be 2 or multiple.Rosette 6 in above-described embodiment is divided into positive pole box body, negative pole box body and middle box body, wherein in the middle of box body simple in construction, it is only necessary to a plastic sheet, the quantity of centre box body can be 0 can also to be multiple.And only positive pole box body and negative pole box body needs lid 9, middle box body is lamellar or shell-like structure need not lid.The length of described cable 7 is adjustable according to actual installation, and cable 7 outlet method can be horizontal outlet, it is also possible to tiltedly outlet.
Claims (8)
1. the photovoltaic module of a diode-built-in, including front glass panel, solaode chip arrays, backboard and the line box being arranged on backboard, solaode chip arrays includes some solaode strings being connected in series, it is characterised in that need to connect between two string battery strings of bypass have diode；Respectively one section of busbar of welding the most in advance on the both positive and negative polarity of described diode, and wherein a pole needs what extraction was connected with line box to weld longer busbar the most in advance；During component stack, it is connected to need the two of bypass to go here and there between battery strings by polarity the diode having welded busbar in advance；Weld one end of longer busbar in advance, then this section of bus bar grown has been turned up outside extraction assembly, for being attached with line box positive/negative；One perforate is set at the backboard of diode correspondence position；The busbar drawn after turning up on described diode is derived from tapping；Described line box is arranged in perforate, is used for sealing perforate.
Photovoltaic module the most according to claim 1, it is characterised in that: the busbar same material that the busbar on the both positive and negative polarity of described diode uses with photovoltaic module.
Photovoltaic module the most according to claim 1, it is characterised in that: it is provided with on described line box and turns up the busbar pad that end is connected with busbar.
Photovoltaic module the most according to claim 1, it is characterized in that: on described backboard, have perforate at diode correspondence position, perforate size can just spill diode and welding position, diode two ends, when later stage diode damages, diode can be changed easily, without assembly is caused damage from tapping.
Photovoltaic module the most according to claim 1, it is characterised in that: the size of described line box coordinates with the perforate size arranged at backboard, and described line box covers the perforate on backboard after installing.
A kind of photovoltaic module the most according to claim 1, it is characterised in that: described line box includes positive pole box body, negative pole box and middle box body.
Photovoltaic module the most according to claim 1, it is characterised in that: the quantity of bypass diode can be 2 or more than 2, and bypass diode is encapsulated in assembly.
Photovoltaic module the most according to claim 1, it is characterised in that: described backboard uses conventional photovoltaic backboard, or glass plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610476065.2A CN106026905B (en) | 2016-06-24 | 2016-06-24 | A kind of photovoltaic module of diode-built-in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610476065.2A CN106026905B (en) | 2016-06-24 | 2016-06-24 | A kind of photovoltaic module of diode-built-in |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106026905A true CN106026905A (en) | 2016-10-12 |
| CN106026905B CN106026905B (en) | 2018-01-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610476065.2A Active CN106026905B (en) | 2016-06-24 | 2016-06-24 | A kind of photovoltaic module of diode-built-in |
Country Status (1)
| Country | Link |
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| CN (1) | CN106026905B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784096A (en) * | 2017-01-21 | 2017-05-31 | 欧贝黎新能源科技股份有限公司 | A kind of diode-built-in photovoltaic module |
| CN106920858A (en) * | 2017-03-05 | 2017-07-04 | 南通美能得新能源科技股份有限公司 | A kind of Novel double-glazed photovoltaic module |
| CN108321230A (en) * | 2018-03-26 | 2018-07-24 | 浙江尚越新能源开发有限公司 | A kind of resistance to hot spot photovoltaic double-glass assembly |
| CN108540088A (en) * | 2018-05-31 | 2018-09-14 | 苏州同泰新能源科技有限公司 | Micro power management module |
| CN108538944A (en) * | 2018-03-09 | 2018-09-14 | 天合光能股份有限公司 | Photovoltaic conductive backboard and photovoltaic cell assembly |
| CN108551326A (en) * | 2018-07-13 | 2018-09-18 | 天合光能股份有限公司 | Device for testing environmental pressure of photovoltaic intelligent junction box |
| CN108566158A (en) * | 2018-03-09 | 2018-09-21 | 天合光能股份有限公司 | Photovoltaic cell assembly |
| CN109244147A (en) * | 2018-08-07 | 2019-01-18 | 浙江正泰太阳能科技有限公司 | A kind of half component |
| CN109921740A (en) * | 2019-02-21 | 2019-06-21 | 上海晶澳太阳能科技有限公司 | Terminal box and solar cell module |
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| CN205693630U (en) * | 2016-06-24 | 2016-11-16 | 常州天合光能有限公司 | A kind of photovoltaic module of diode-built-in |
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2016
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| CN2710167Y (en) * | 2004-07-11 | 2005-07-13 | 昆明光伏科技有限公司 | Internal bypass photovoltaic component |
| CN201732786U (en) * | 2010-05-14 | 2011-02-02 | 常州佳讯光电产业发展有限公司 | Solar panel with integrated bypass chip |
| CN202585485U (en) * | 2012-05-08 | 2012-12-05 | 江苏赛拉弗光伏系统有限公司 | Bus bar outlet structure for solar cell module |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106784096A (en) * | 2017-01-21 | 2017-05-31 | 欧贝黎新能源科技股份有限公司 | A kind of diode-built-in photovoltaic module |
| CN106784096B (en) * | 2017-01-21 | 2018-03-30 | 欧贝黎新能源科技股份有限公司 | A kind of diode-built-in photovoltaic module |
| CN106920858A (en) * | 2017-03-05 | 2017-07-04 | 南通美能得新能源科技股份有限公司 | A kind of Novel double-glazed photovoltaic module |
| CN108538944A (en) * | 2018-03-09 | 2018-09-14 | 天合光能股份有限公司 | Photovoltaic conductive backboard and photovoltaic cell assembly |
| CN108566158A (en) * | 2018-03-09 | 2018-09-21 | 天合光能股份有限公司 | Photovoltaic cell assembly |
| CN108538944B (en) * | 2018-03-09 | 2024-01-30 | 天合光能股份有限公司 | Photovoltaic conductive backboard and photovoltaic cell assembly |
| CN108321230A (en) * | 2018-03-26 | 2018-07-24 | 浙江尚越新能源开发有限公司 | A kind of resistance to hot spot photovoltaic double-glass assembly |
| CN108540088A (en) * | 2018-05-31 | 2018-09-14 | 苏州同泰新能源科技有限公司 | Micro power management module |
| CN108551326A (en) * | 2018-07-13 | 2018-09-18 | 天合光能股份有限公司 | Device for testing environmental pressure of photovoltaic intelligent junction box |
| CN108551326B (en) * | 2018-07-13 | 2024-02-02 | 天合光能股份有限公司 | Device for testing environmental pressure of photovoltaic intelligent junction box |
| CN109244147A (en) * | 2018-08-07 | 2019-01-18 | 浙江正泰太阳能科技有限公司 | A kind of half component |
| CN109921740A (en) * | 2019-02-21 | 2019-06-21 | 上海晶澳太阳能科技有限公司 | Terminal box and solar cell module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106026905B (en) | 2018-01-09 |
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Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: trina solar Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: CHANGZHOU TRINA SOLAR ENERGY Co.,Ltd. Address after: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee after: TRINASOLAR Co.,Ltd. Address before: Solar photovoltaic industry park Tianhe Road 213031 north of Jiangsu Province, Changzhou City, No. 2 Patentee before: trina solar Ltd. |
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