CN102651410A - Junction box and solar generating method using the same - Google Patents
Junction box and solar generating method using the same Download PDFInfo
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- CN102651410A CN102651410A CN2011103463177A CN201110346317A CN102651410A CN 102651410 A CN102651410 A CN 102651410A CN 2011103463177 A CN2011103463177 A CN 2011103463177A CN 201110346317 A CN201110346317 A CN 201110346317A CN 102651410 A CN102651410 A CN 102651410A
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- 238000000034 method Methods 0.000 title abstract description 11
- 238000003475 lamination Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 description 13
- 230000005611 electricity Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- 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
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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
Abstract
The invention refers to a junction box and a solar generating method using the same. A junction box for a solar cell module is arranged on a solar module with more than three serial groups to receive power generated by the serially connected solar cells. First binding posts in connection with top buses connecting with the upper ends of each serial groups and shunt diodes installed among the first binding posts are arranged in the inner part; the lower ends of the each serial groups are connected with a plurality of lower end buses in connection with the lower ends of the each serial groups; the solar cell module is also provided with a subsidiary junction box possessing a plurality of third binding posts to connect with the lower end buses. The inner of the junction box is provided with a plurality of second binding posts; the second binding posts and the first binding posts clamp the shunt diodes for alternate and successive installation and are in connection with the third binding posts through the subsidiary junction box.
Description
Technical field
The present invention relates to a kind of solar module with terminal box and utilize the method for electric generation using solar energy of this terminal box, the phase failure of particularly when existing electrogenesis to hinder factor, merely hitting answer the series electrogenesis of solar cell and the solar module that reduces the electrogenesis loss to greatest extent with terminal box and utilize the method for electric generation using solar energy of this terminal box.
Background technology
Usually, solar cell is that these battery sheets connect into modular form according to capacity after utilizing P-N bond semiconductor battery sheet to produce photoelectricity, and the circuit with the module groups that interconnects fixed capacity comes the connected mode of serial or parallel connection to form array then.
For with the system that is electrically connected to that produces in the solar module, via bus (Bus bar) will with series system be connected minimum series on each solar battery sheet (a string, String) and terminal box (Junction box) be electrically connected.Existing general terminal box all is at the central upper back side of every solar module a terminal box to be installed usually.
On the other hand; The solar module of the mode forming circuit that is connected in series with a plurality of solar battery sheets is hindering electrogenesis factor (inner bad etc. like ight soil, yellow sand dust, the battery sheet of shadow, leaf, bird) when being present in the front glass face of protection battery sheet; Can play the effect of impedance body when being positioned at battery sheet below its obstruction factor and being from the sunlight electrogenesis; Thereby having hindered electrogenesis, its result causes taking place the power generation loss of a great deal of.
At this moment; Understand adverse current to this battery sheet with the electric current that is produced by the forward and backward battery sheet that is connected on the respective battery sheet under the contaminated glass; Can produce focus (Hot Spot) on this battery sheet thus, thereby cause battery sheet function to suffer breakage, the electrogenesis loss not only takes place; When serious even occurred on the corresponding module can't electrogenesis, have to stop the problem of solar energy electrogenesis.
For preventing similar problem; The solar module of selling on the market now is to have adopted through using bypass diode (Bypass Diode) to protect the structure of solar module, makes the electric current that under the power generation conditions that hinders electrogenesis, is produced flow into the inner All other routes (in abutting connection with Bus Bars) that are connected and generates electricity.
As above adopt bypass diode; But the respective battery sheet of localised protection solar cell avoids hindering the influence of the factor of electrogenesis; Not only can reduce the loss of the electricity of being produced; Can also produce focus (Hot Spot) by interim prevention respective battery sheet, thereby extend the life of a cell and improve the durability of module.
Fig. 1 is the figure shown in the syndeton of each series and terminal box of existing 6 * 10 solar modules that arrange to constitute.
Like Fig. 1, its structure is: first series and second/the 3rd series, the 4th/the 5th series, the 6th series are connected through bus respectively; Each bus is connected with the binding post (104) of terminal box (210) respectively; Each binding post (104) interconnects and forming circuit through bypass diode (102).Therefore, the electricity that results from solar battery sheet (201) is after being transferred to terminal box (210) through the bus (202) that connects each solar battery sheet (201), to be supplied to number of modules assembly electroplax.
Yet; As shown in Figure 2, go up under the situation that has obstruction electrogenesis factor, at the solar cell battery sheet (201) of first series for protection module; Through the inner bypass diode (102) of terminal box (210); The binding post that is connected from the bus with first series flow into the binding post that is connected with the bus of second/the 3rd series, its result, and the solar battery sheet of first series and second series is to produce; But, therefore there is the problem that stops electrogenesis in first series and second series and the circuit of electrogenesis loss takes place that is formed in since the solar battery sheet electrogenesis of the 3rd series.
For this reason, under the situation of 6 * 10 solar modules arranged, can't electrogenesis on two row's series, therefore exist with the integral body generating and compare the problem of bringing power generation loss 1/3, very big.
The content of invention
The problem that invention will solve
The present invention makes for addressing the above problem; The object of the present invention is to provide a kind of solar module with terminal box and utilize the method for electric generation using solar energy of this terminal box; The lower end bus is installed on module, is connected second binding post that is connected with the lower end bus and first binding post that is connected with the upper end bus, when having the factor that hinders generating with bypass diode; The series electrogenesis of solar battery sheet is answered in the phase failure of merely hitting, thereby the electrogenesis loss is reduced to minimum.
Simultaneously; Another object of the present invention is to provide a kind of solar module with terminal box and utilize the method for electric generation using solar energy of this terminal box; Life-span through solar module prolongs to produce a large amount of electricity long-term and stably, thereby improves generating efficiency.
The method that is used to deal with problems
The solar module of the present invention that is used to achieve the above object is used terminal box; Be arranged on the solar energy module that has the above series of arranging of three rows; Reception produces from the solar battery sheet of each series; Be provided with first binding post that connects with the upper end bus of the upper end that is connected each series in inside and be installed in the bypass diode between this first binding post; This terminal box is characterised in that; Be provided with a plurality of lower ends bus that connects each series lower end in the lower end of above-mentioned each series, above-mentioned solar module is provided with the secondary terminal box that inside possesses a plurality of the 3rd binding posts in order to be connected with above-mentioned lower end bus, in the set inside of above-mentioned terminal box a plurality of second binding posts is arranged; This second binding post and first binding post are clipped in the middle above-mentioned bypass diode and alternately install successively each other, and are connected with the 3rd binding post of above-mentioned secondary terminal box through cable respectively.
At this; When the number of permutations of above-mentioned series is even number; Above-mentioned upper end bus is made up of outer side bus and interior side bus; Above-mentioned outer side bus is connected to the upper end of the outermost series of solar module, and above-mentioned interior side bus is one group of upper end that is connected the inboard series between above-mentioned outermost series with two row's series, and above-mentioned lower end bus is one group with two row's series and is linked in sequence in the lower end of each series.
In addition, above-mentioned upper end bus and lower end bus are to arrange its quantity because of series to change, and above-mentioned lower end bus connects the EVA plate that constitutes above-mentioned solar energy module and backboard and protrudes in the back of backboard, and are connected with above-mentioned second binding post.
The effect of invention
According to the present invention who constitutes as stated, when existing electrogenesis to hinder factor, electric current is flow on the series of adjacency, also can drop to the electrogenesis loss minimum with this impaired while that can prevent solar battery sheet.
And, make with simple structure, not only cost reduces, and also can bring up to generating efficiency to greatest extent.
Description of drawings
Fig. 1 is that expression is installed in synoptic diagram on the existing solar module, the terminal box connection status;
Fig. 2 is state diagram when having the obstruction factor on the expression conventional battery sheet, the power generation loss amount;
Fig. 3 is that expression is installed in connection status figure on the solar module back that has a series of arranging with even number of the present invention, terminal box;
Fig. 4 is that expression is installed in of the present invention having with the solar module of the series of odd number of arrayed connection status figure at the back, terminal box;
Fig. 5 is a significant points enlarged drawing that be connected, terminal box of the present invention and upper end bus and lower end bus;
Fig. 6 is state diagram when having the obstruction factor on the expression solar battery sheet of the present invention, the power generation loss amount;
Fig. 7 is that secondary terminal box is connected on the terminal box of the present invention, state diagram;
Fig. 8 be terminal box and the secondary terminal box back that is installed in solar module of the present invention, state diagram;
Fig. 9 be used for the lower end bus be connected to secondary terminal box of the present invention, state diagram.
Description of reference numerals
10: solar module; 12: the outermost series;
14: inboard series; 15: glass;
The 16:EVA plate; 17: backboard;
18: solar cell; 20: bus;
22: the upper end bus; 23: outer side bus;
24: interior side bus; 25a: first bus;
25b: second bus; 26: the lower end bus;
27a: triple bus-bar; 27b: the 4th bus;
30: the first binding posts; 35: the second binding posts;
40: bypass diode; 45: (+) terminal;
47: (-) terminal; 50: secondary terminal box;
52: the three binding posts; 54: cable.
Embodiment
Below, specify solar module of the present invention with terminal box and utilize the method for electric generation using solar energy of this terminal box with reference to accompanying drawing.
Solar module according to the present invention is mounted on the solar energy module (10) that has the above series of three rows with terminal box, and the electricity of being produced on the solar battery sheet of each series focuses on terminal box through bus (20).
Illustrated solar module (10) is the module that series is arranged with six rows on the accompanying drawing 3 of the present invention, and terminal box of the present invention is to be provided with the binding post that is connected with above-mentioned bus (20), wherein is connected with (+) terminal (45) and (-) terminal (47) on the side.
Shown in accompanying drawing 3, above-mentioned bus (20) is to be made up of a plurality of upper ends buses (22) that are connected with the upper end of each series of above-mentioned solar module (10) and a plurality of lower ends buses (26) of being connected with the lower end of each series.
At this moment; Form following structure; That is, above-mentioned upper end bus (22) be arranged to respectively with binding post in first binding post (30) be connected, above-mentioned lower end bus (26) be arranged to respectively with binding post in second binding post (35) be connected; Above-mentioned first binding post (30) and second binding post (35) alternately set gradually each other, possess bypass diode (40) between it and interconnect first binding post (30) and second binding post (35).
Simultaneously, above-mentioned lower end bus (26) be through after the secondary terminal box (50) stated be connected on second binding post (35), for this reason, the inside of above-mentioned secondary terminal box (50) is provided with the 3rd binding post (52) that is connected with above-mentioned second binding post with cable.
As above; Above-mentioned upper end bus (22) is to link to each other through bypass diode (40) with lower end bus (26); Therefore on solar battery sheet (18), there is obstruction factor (inner bad etc.) and time spent of doing that its respective battery sheet (18) plays impedance body like ight soil, yellow sand dust, the battery sheet of shadow, leaf, bird; Electric current is through upper end bus (22) that is connected with the series that has the respective battery sheet (a string) or lower end bus (26); Flow into the bypass diode (40) that is connected with binding post, electric current is flow on series (a string) through this bypass diode (40).
At this moment; When the solar module that to be above-mentioned series arrange with even number; It is minimum for power generation loss is dropped to; Above-mentioned upper end bus (22) is by the outer side bus (23) that is connected respectively with the upper end of the outermost series (12) of solar module (10) and be positioned on inboard series (14) upper end between the above-mentioned outermost series (12) with two row's series and form one group and the side bus (24) that connects constitutes, and preferred above-mentioned lower end bus (26) is one group of lower end that is connected to each series in turn with two row's series.
With reference to accompanying drawing 3, the concrete observation, outermost series (12) becomes first series and the 6th series, and inboard series (14) becomes second series to the, five series.
Therefore; Outer side bus (23) is connected with the 6th series with above-mentioned first series respectively; Interior side bus (24) is connected with the 4th/the 5th series with above-mentioned second/the 3rd series respectively; Above-mentioned lower end bus (26) is connected with the first/the second series and the 3rd/the 4th series, the 5th/the 6th series respectively, and each bus interconnects through binding post and bypass diode.
Thus; First binding post (30) that is connected with outer side bus (23) on being connected above-mentioned first series with the first/the second series on second binding post (35) that connects of the lower end bus (26) that is connected be to interconnect through bypass diode; In addition; Second binding post (35) is to interconnect through another bypass diode and another first binding post, and wherein, this another first binding post is connected with the interior side bus (24) that is connected with second/the 3rd series.
As the state of above-mentioned formation under; As shown in Figure 6, when having the obstruction factor on the battery sheet of first series, the outer side bus (23) that is connected with first series is that the bypass diode (40) of process adjacency is connected with the lower end bus (26) that is connected the second series lower end; Its result; Therefore have only first series can not produce electricity, can not produce loss amount that electricity produced with existing two row's series and compare and bring littler power generation loss, have the advantage that improves generating efficiency.
Here; In above-mentioned series for the solar module of odd number of arrayed the time; Also as shown in Figure 4; Above-mentioned upper end bus (22) is to be made up of first bus (25a) and second bus (25b), and above-mentioned first bus (25a) is connected the upper end of the some series in the outermost series (12) of solar module (10), above-mentioned second bus (25b) with two row's series be one group in the upper end of removing series the outermost series (12) that first bus (25a) connects, that be left.
In addition; Above-mentioned lower end bus (26) is made up of triple bus-bar (27a) and the 4th bus (27b); Above-mentioned triple bus-bar (27a) is connected the lower end of series in the outermost series (12) of solar module (10), that is not connected with above-mentioned first bus (25a), and above-mentioned the 4th bus (27b) is one group of lower end that is connected series the outermost series (12) of removing above-mentioned triple bus-bar (27a) connection, that be left with two row's series preferably.
That is, can find out: above-mentioned upper end bus and lower end bus be connected and Fig. 3 have that to arrange the situation of having got rid of row's series in the solar module of series with even number identical.
Upper end of the present invention bus (22) and lower end bus (26) are that its quantity of arrangement because of series changes; Above-mentioned lower end bus (26) connect to constitute EVA plate (16) and the backboard (17) of above-mentioned solar energy module (10) and protrudes in backboard (17) at the back; And be connected with above-mentioned second binding post (35), the outstanding position of its lower end bus preferably when making module, handle through high-temperature vacuum lamination (Lamination) operation and and keep air-tightness between the solar battery sheet.
As shown in Figure 9; Above-mentioned solar module (10) be glass (15), EVA plate (16), solar battery sheet (18), other EVA plates (16), backboard (17) range upon range of in order after; Under the state of accomplishing through the high-temperature vacuum lamination, the installation connection box at the back side of above-mentioned backboard (17).
Therefore; The lower end bus (26) that is connected with above-mentioned solar battery sheet (18) is to leak danger and be easier to outside giving prominence in order to remove; Under the state that connects above-mentioned EVA plate (16) and backboard (17); The lower end bus is outstanding externally, and in order to keep the air-tightness with inside modules battery sheet, module product need carry out the operation of high-temperature vacuum lamination.
In addition; Terminal box of the present invention is to reduce power generation loss through lower end bus (26) being connected to inner second binding post (35); But in the case; Lower end bus (26) need possess length till the top of the solar module that terminal box is installed, long, and therefore generations need be insulated and prevented to be exposed to the other problems such as operation of outside, therefore; Like Fig. 7 and shown in Figure 8, the secondary terminal box (50) that can be connected with terminal box is installed to the bottom of above-mentioned solar module (10) with the structure of pasting.
At this moment; Possess a plurality of the 3rd binding posts (52) in the inside of above-mentioned secondary terminal box (50); So that connect with the lower end lower end that is connected each series, a plurality of bus (26), its each the 3rd binding post (52) is to use cable (54) to be connected with second binding post (35) of terminal box respectively.
Just; Above-mentioned lower end bus (26) connects with second binding post (35) that is connected with cable (54) through the 3rd binding post (52); Because the installation of above-mentioned secondary terminal box (50), therefore not only the connection operation of lower end bus (26) becomes convenient, and is convenient to operation when safeguarding guarantee.
Above-mentioned cable (54) is connected with above-mentioned terminal box and secondary terminal box (50) through screw fashion and joint style, in addition, needs only the structure of the above-mentioned cable of connection, takes up the post of where formula can.
Terminal box of the present invention like above-mentioned formation is used to solve the problem that existing terminal box exists, and, is used for reducing when having the obstruction factor on the battery sheet the sizable power generation loss that is brought when flowing to bypass along with electric current that is.The present invention increases for the bus that will be connected with the upper end of existing solar module also is connected to the lower end of module and the lower end bus is set and is connected to terminal box; After the binding post that connects upper end bus and lower end bus is arranged alternately respectively, bypass diode (40) is set between it and drops to the power generation loss on solar module minimum.
Therefore; Solved the problem that to produce electricity on two row's series that the bus by-pass line that is connected with existing terminal box causes; Have only to stop to produce electricity on row's series (corresponding battery sheet), therefore, compare with existing mode and can reduce power generation loss significantly.
The method of utilizing terminal box solar power generation of the present invention is as follows:
First binding post (30) of terminal box be with the upper end of each series that is connected the above solar module of arranging of three rows, upper end bus (22) links to each other; Second binding post (35) be connected each series lower end, lower end bus (26) links to each other; Above-mentioned first binding post (30) and second binding post (35) are alternately to set gradually each other, between it, are provided with bypass diode (40).
The terminal box that as above constitutes is not when the obstruction factor exists, and the electricity of being produced on the battery sheet of each series is transported to the module array distribution panelboard through terminal box.
But; When battery sheet (18) is gone up existence generating obstruction factor; Can play the effect of impedance body because of this generating obstruction factor respective battery sheet (18); Through this, in order to protect solar module, electric current does not flow to the series that possesses respective battery sheet (18) and flows to the series of adjacency through bypass diode (40).
Just, electric current flows on the series that the bus of adjacency on the series with respective battery sheet (18) is connected.
Therefore, have only the series of the respective battery sheet that has the obstruction factor to stop electrogenesis, remaining series is can electrogenesis, and its result reduces the power generation loss of a great deal of with existing specific energy mutually, thereby correspondingly can improve generating efficiency.
Claims (5)
1. a solar module is used terminal box; Be arranged on the solar energy module (10) that has the above series of arranging of three rows; Reception is produced from the solar battery sheet (18) of each series; Be provided with first binding post (30) that connects with the upper end bus (22) that is connected each series upper end in inside and be installed in the bypass diode (40) between this first binding post (30), this terminal box is characterised in that
Be provided with a plurality of lower ends buses (26) that connect each series lower end in the lower end of above-mentioned each series,
Above-mentioned solar module (10) is provided with the secondary terminal box (50) that inside possesses a plurality of the 3rd binding posts (52) in order to be connected with above-mentioned lower end bus (26),
Set inside in above-mentioned terminal box has a plurality of second binding posts (35); This second binding post (35) is clipped in the middle above-mentioned bypass diode with first binding post (30) and alternately installs successively each other, and is connected with the 3rd binding post (52) of above-mentioned secondary terminal box (50) through cable (54) respectively.
2. solar module according to claim 1 is used terminal box, it is characterized in that,
When the number of permutations of above-mentioned series is even number,
Above-mentioned upper end bus (22) is made up of outer side bus (23) and interior side bus (24); Above-mentioned outer side bus (23) is connected to the upper end of the outermost series (12) of solar module (10); Side bus (24) is one group of upper end that is connected the inboard series (14) that is positioned between the above-mentioned outermost series (12) with two row's series in above-mentioned
Above-mentioned lower end bus (26) is one group of lower end that is connected to each series in turn with two row's series.
3. solar module according to claim 1 is used terminal box, it is characterized in that,
When the number of permutations of above-mentioned series is odd number,
Above-mentioned upper end bus (22) is made up of first bus (25a) and second bus (25b); Above-mentioned first bus (25a) is connected the upper end of any series in the outermost series (12) of solar module (10); Above-mentioned second bus (25b) is one group with two row's series and is connected and removes and upper end the outermost series (12) that first bus (25a) is connected, that be left series
Above-mentioned lower end bus (26) is made up of triple bus-bar (27a) and the 4th bus (27b); Above-mentioned triple bus-bar (27a) is connected the lower end of series in the outermost series (12) of solar module (10), that be not connected with above-mentioned first bus (25a), and above-mentioned the 4th bus (27b) is one group with two row's series and is connected and removes and lower end the outermost series (12) that above-mentioned triple bus-bar (27a) is connected, that be left series.
4. use terminal box according to each the described solar module in the claim 1 to 3, it is characterized in that,
Above-mentioned upper end bus (22) and lower end bus (26) are to arrange its quantity because of series to change; Above-mentioned lower end bus (26) connect to constitute EVA plate (16) and the backboard (17) of above-mentioned solar energy module (10) and protrudes in the back of backboard (17), and is connected with above-mentioned second binding post (35).
5. solar module according to claim 4 is used terminal box, it is characterized in that,
When making module, pass through the processing of high-temperature vacuum lamination and keep air-tightness with solar cell to the outstanding position of the outstanding lower end bus (26) in above-mentioned backboard (17) back.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0017236 | 2011-02-25 | ||
| KR1020110017236A KR101039050B1 (en) | 2011-02-25 | 2011-02-25 | Junction box for solar cell module and solar generating method using the same |
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|---|---|
| CN102651410A true CN102651410A (en) | 2012-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011103463177A Pending CN102651410A (en) | 2011-02-25 | 2011-11-04 | Junction box and solar generating method using the same |
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| KR (1) | KR101039050B1 (en) |
| CN (1) | CN102651410A (en) |
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| JP4129037B2 (en) | 2004-05-25 | 2008-07-30 | 木谷電器株式会社 | Terminal box for solar cell module |
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| KR101072073B1 (en) * | 2009-06-30 | 2011-10-10 | 엘지이노텍 주식회사 | Solar cell aparatus |
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- 2011-11-04 CN CN2011103463177A patent/CN102651410A/en active Pending
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| CN2540683Y (en) * | 2002-04-18 | 2003-03-19 | 上海太阳能科技有限公司 | Crystal silicon solar cell subassembly |
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| CN101958351A (en) * | 2010-04-20 | 2011-01-26 | 常州天合光能有限公司 | Solar cell module with a plurality of junction boxes |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112186057A (en) * | 2020-08-31 | 2021-01-05 | 晶澳（扬州）太阳能科技有限公司 | Parallel-series structure photovoltaic module |
| CN112186057B (en) * | 2020-08-31 | 2023-07-18 | 晶澳(扬州)新能源有限公司 | Parallel-series structure photovoltaic module |
| CN116346027A (en) * | 2023-03-03 | 2023-06-27 | 宁波博朋电子有限责任公司 | Junction box applied to ultra-high power photovoltaic module |
| CN116346027B (en) * | 2023-03-03 | 2023-12-12 | 宁波博朋电子有限责任公司 | Junction box applied to ultra-high power photovoltaic module |
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