CN207637822U - Photovoltaic power generation apparatus - Google Patents
Photovoltaic power generation apparatus Download PDFInfo
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- CN207637822U CN207637822U CN201721716544.3U CN201721716544U CN207637822U CN 207637822 U CN207637822 U CN 207637822U CN 201721716544 U CN201721716544 U CN 201721716544U CN 207637822 U CN207637822 U CN 207637822U
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- Prior art keywords
- main gate
- gate line
- line
- power generation
- photovoltaic power
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- 238000010248 power generation Methods 0.000 title claims abstract description 51
- 238000005520 cutting process Methods 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 241000150100 Margo Species 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of photovoltaic power generation apparatus, with several main gate lines being mutually parallel, several secondary grid lines are distributed in the arranged on left and right sides of the main gate line, secondary grid line between two adjacent main gate lines extends from a wherein main gate line to another main gate line and width becomes narrow gradually, and the secondary grid line of secondary grid line and right side on the left of main gate line described in same root is disposed asymmetrically relative to the main gate line.
Description
Technical field
The utility model is related to technical field of photovoltaic power generation more particularly to a kind of photovoltaic power generation apparatus.
Background technology
It please join shown in Fig. 1, traditional photovoltaic power generation apparatus is the centre position that main gate line is located to secondary grid line, wherein secondary grid
Line is cuboid, and the width close to one end of main gate line and the width far from main gate line one end are equal, due in battery
The main function of electrode is that secondary grid line collects free carrier in component, and the carrier collected on secondary grid line can all flow to main grid
Line also acts as conduction from the current-carrying that secondary grid line is collected at a distance close to the secondary grid line of main gate line other than collecting the carrier on periphery
Son arrives the effect of main grid, and the electric current closer to the secondary grid line of main gate line is higher, according to theory, the wider collection electronic capability of electrode strip
It is stronger, so electrode is suitable with far from the electronics capacity gauge of secondary grid line of main gate line close to the secondary grid line of main gate line, cause to lean on
The secondary grid line position of nearly main gate line is collected electronic capability and is weakened, and battery conversion efficiency is reduced.
Therefore, it is necessary to design a kind of improved photovoltaic power generation apparatus to solve the above problems.
Invention content
The purpose of this utility model is to provide a kind of photovoltaic power generation apparatus simple in structure.
To achieve the above object, the utility model adopts the following technical solution：A kind of photovoltaic power generation apparatus has mutually flat
Capable several main gate lines, the arranged on left and right sides of the main gate line are distributed with several secondary grid lines, between adjacent two main gate lines
Secondary grid line extend from a wherein main gate line to another main gate line and width becomes narrow gradually, it is main described in same root
The secondary grid line of secondary grid line and right side on the left of grid line is disposed asymmetrically relative to the main gate line.
As the further improved technical solution of the utility model, the secondary grid line between adjacent two main gate lines is set
Have with first end and the second end extended towards another main gate line that wherein a main gate line is connect, the second end with it is another
A piece main gate line is connected, and the width of the first end is more than the width of the second end.
As the further improved technical solution of the utility model, the secondary grid line between adjacent two main gate lines be equipped with
The first end of the connection of wherein one main gate line and the second end extended towards another main gate line, the width of the first end
More than the width of the second end, there are gaps between the second end and another main gate line, form elongated shape cutting area.
As the further improved technical solution of the utility model, the photovoltaic power generation apparatus is divided by the cutting area
Several independent regions, each isolated area include a main gate line and several secondary grid lines being connect with main gate line.
As the further improved technical solution of the utility model, an at least lateral margin for the photovoltaic power generation apparatus is equipped with one
Main gate line described in root, the main gate line only side are connected with several secondary grid lines.
The utility model also adopts the following technical scheme that a kind of photovoltaic power generation apparatus is linearly arranged equipped with several
And the identical battery unit of size, the secondary grid line that each battery unit has main gate line and is connected with main gate line, feature
It is, the battery unit is elongated, and the main gate line is located at the side of battery unit, and the pair grid line is towards far from main gate line
Direction, which narrows from the width, extends to the other side of battery unit and adjacent with the main gate line of adjacent cell；If the dry cell list
At least two adjacent battery units in member, secondary grid line narrow from the width extension towards the same direction.
As the further improved technical solution of the utility model, the secondary grid line being located at left and right sides of same main gate line is opposite
In the main gate line in asymmetric distribution.
As the further improved technical solution of the utility model, the extending end and adjacent cell of the pair grid line
Main gate line it is adjacent but and be not connected with, there are the cutting areas for cutting operation between the two；Several battery unit one
It is connected and constitutes a single cell piece.
As the further improved technical solution of the utility model, several battery units are individual independent of each other,
Two neighboring battery unit passes through the overlapping connection in side, the main gate line of one of battery unit and the back of the body of another battery unit
Face connects.
By above technical scheme it is found that the utility model photovoltaic power generation apparatus is by by main gate line left and right sides described in same root
The secondary grid line it is disposed asymmetrically, the every secondary grid line between two adjacent main gate lines is from a wherein institute
State that main gate line extends to another main gate line and width becomes larger, to improve the current-carrying that the secondary grid line collects periphery
The ability of son, and then improve the generating efficiency of the photovoltaic power generation apparatus.
Description of the drawings
Fig. 1 is the structural schematic diagram of the main gate line of photovoltaic power generation apparatus and secondary grid line in the prior art.
Fig. 2 is the floor map of the utility model photovoltaic power generation apparatus first embodiment.
Fig. 3 is the close-up schematic view in Fig. 2 centre circles, at this time the secondary second end of grid line and the main gate line left border on right side
Connection.
Fig. 4 is the close-up schematic view in Fig. 2 centre circles, at this time the secondary second end of grid line and the main gate line left border on right side
It is not connected to.
Fig. 5 is the floor map of the utility model photovoltaic power generation apparatus second embodiment.
Fig. 6 is the close-up schematic view in Fig. 5 centre circles, at this time the secondary second end of grid line and the main gate line left border on right side
Connection.
Fig. 7 is the close-up schematic view in Fig. 6 centre circles, at this time the secondary second end of grid line and the main gate line left border on right side
It is not connected to.
Fig. 8 is the floor map of an isolated area of the utility model photovoltaic power generation apparatus.
Fig. 9 is the schematic diagram of the secondary grid line of the utility model photovoltaic power generation apparatus one.
Figure 10 is the resistance calculations schematic diagram of the utility model photovoltaic power generation apparatus pair grid line.
Figure 11 is the distribution of resistance figure of the secondary grid line of the utility model photovoltaic power generation apparatus.
Figure 12 is the structural optimization efficiency distribution map of the secondary grid line of the utility model photovoltaic power generation apparatus.
Reference numeral：1- main gate lines；11- left borders；12- margo dexters；2- pair grid lines；21- first parts；22- second
Point；211- first ends；213- thirds end；222- second ends；The 4th ends 224-.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The utility model is described in detail.
It please join shown in Fig. 1 to Fig. 9, the utility model provides a kind of photovoltaic power generation apparatus.The photovoltaic power generation apparatus tool
There are several main gate lines 1 being mutually parallel, the arranged on left and right sides of the main gate line 1 that several secondary grid lines, the every main gate line is distributed with
1 is equipped with margo dexter 12 and the left border 11 opposite with the margo dexter 12, described between adjacent two main gate lines 1
Secondary grid line 2 extends from a wherein main gate line 1 to another main gate line 1 and width becomes narrow gradually.Described in same root
The secondary grid line 2 and the secondary grid line 2 on right side in 1 left side of main gate line are disposed asymmetrically relative to the main gate line 1.
It is the photovoltaic power generation apparatus of the utility model first embodiment specifically, please join shown in Fig. 2.The photovoltaic
Power generator is additionally provided with 5 main gate lines 1 and is distributed in several secondary grid lines 2 of 1 arranged on left and right sides of the main gate line.It is adjacent
Two main gate lines 1 between secondary grid line 2 be equipped with the first end that is connect with the margo dexter 12 of the main gate line 1 in left side
211 and towards the second end 222 that another main gate line 1 extends, the width of the first end 211 is more than the second end 222
Width, the second end 222 is connected with another main gate line 1 (shown in Fig. 3 and Fig. 4).The pair grid line 2 is set
Have extend from the main gate line 1 on the right side main gate line 1 described to the left and width by the narrow first part 21 to broaden and with institute
State the connected second part 22 of 21 narrow side of first part.The first part 21 is prismatoid structure, and the second part 22 is
Rectangular parallelepiped structure, the first part 21 be equipped with the first end 211 that is connect with the main gate line 1 and with the second part 22
The third end 213 of connection.The second part 22 is equipped with the 4th end 224 and described second being connect with the third end 213
End 222.213 width of third end and 224 width of the 4th end and equal with 222 width of the second end.Described 5
There are an edge for being located at the photovoltaic power generation apparatus, the i.e. main gate line only margo dexter 12 to be connected with several secondary grid in main gate line 1
Line 2.
It please join shown in Fig. 3 and Fig. 4, Fig. 3 is shown in the utility model first embodiment, and the second of the pair grid line 2
222 state diagrams being connect with 1 left border 11 of main gate line on right side, the secondary grid line 2 between adjacent two main gate lines 1 are held to set
Have with first end 211 and the second end 222 extended towards another main gate line 1 that wherein a main gate line 1 is connect, described
Two ends 222 are connected with another main gate line 1, and the width of the first end 211 is more than the width of the second end 222.Described
The second end 222 of secondary grid line 2 position that is connected with 1 margo dexter 12 of the main gate line is cut, several independent electricity are cut into
Pool unit.
Fig. 4 is shown in the utility model first embodiment, the main grid of the second end 222 and right side of the pair grid line 2
Elongated shape cutting area is formed between 1 left border 11 of line, the photovoltaic power generation apparatus is in the second end 222 and another main gate line
There are gaps between 1, form elongated shape cutting area.The photovoltaic power generation apparatus is divided into several independent areas by the cutting area
The photovoltaic power generation apparatus is divided into several independent regions by domain, cutting area, each isolated area include a main gate line 1 with
And several secondary grid lines 2 being connect with the margo dexter 12 of one main gate line.The photovoltaic power generation apparatus can be divided into several solely
Vertical battery unit.
As shown in figure 5, for the photovoltaic power generation apparatus of the utility model second embodiment.The light in present embodiment
Volt generating device structure is roughly the same with the photovoltaic power generation apparatus structure of first embodiment, and details are not described herein.Unique area
It is not：The main gate line 1 is located at the side of battery unit, and the pair grid line 2 narrows from the width extension towards far from 1 direction of main gate line
To the other side of battery unit and adjacent with the main gate line of adjacent cell 1；At least two in several battery units
Adjacent battery unit, secondary grid line 2 narrow from the width extension towards the same direction.
From left to right, the 5th main gate line 1 is located at the left border 11 of the photovoltaic power generation apparatus in 5 main gate lines 1,
First main gate line 1 is located at the margo dexter 12 of the photovoltaic power generation apparatus.The left border 11 of 5th main gate line 1 is connected with several
Secondary grid line 2, the pair grid line 2 extends from left to right to the main gate line and width is broadened by narrow.1st to the 4th main grid
The margo dexter 12 of line 1 is respectively connected with several secondary grid lines 2, and every 2 right-to-left of the secondary grid line extends and width is broadened by narrow.
It please join shown in Fig. 6 and Fig. 7, Fig. 6 is shown in the utility model second embodiment, and the second of the pair grid line 2
The state diagram that end 222 is connect with 1 left border 11 of main gate line on right side, the second end 222 in the secondary grid line 2 and the main gate line
222 junction of second end of 1 margo dexter 12 or left border 11 or the secondary grid line is cut, and it is independent to cut into several
Battery unit.
Fig. 7 is shown in the utility model second embodiment, the main gate line 1 of the second end and right side of the pair grid line 2
Left border 11 is adjacent and is not connected to, and between the two there are the cutting area for cutting operation, the cutting area is by the photovoltaic generation
Device device is divided into several independent regions, each isolated area include a main gate line 1 and with one main grid
Several secondary grid lines 2 that the margo dexter 12 of line connects.After cutting area is cut, several independent battery units are formed,
Several battery units are individual independent of each other, each independent battery unit include a main gate line 1 and with
Several secondary grid lines of the main gate line 1 connection, two neighboring battery unit pass through the overlapping connection in side, one of battery list
The main gate line of member is connect with the back side of another battery unit.Several battery units, which are integrally connected, constitutes a single battery
Piece, i.e. imbrication photovoltaic module.
In the utility model photovoltaic power generation apparatus, along the direction that the main gate line 1 extends, the first end 211 is cut
Area is more than the sectional area at the third end 213；The width range of the first end 211 is 50~100um, the third end
212 width range is 40~50um.The width range of the second part 22 is 40~50um, preferably 45um.The main grid
Line 1 is 0.64~1.35mm, preferably 0.95mm along the width range that the direction that the secondary grid line 2 extends is extended.The pair grid
2 length of line is 30.4mm, the first part 21 along the length range that the direction that the secondary grid line 2 extends is extended be 6~
15mm, preferably 12mm.
It can please specifically be join shown in Fig. 5 by the way that the generating efficiency of photovoltaic power generation apparatus described in present embodiment is calculated,
The width of the first end 211 is W2, the width at the 4th end 224 is W1, the length of the first part is L1, the pair
The length of grid line is L.
Secondary gate resistance calculation formula：
I (x)=kx (1)
In formula, k is electric current per unit length coefficient, and x is away from battery right end distance.
In formula, L is secondary grid element length, L1For the length of first part, ρ is secondary grid body resistivity, and h is secondary grid height, W1
For the width at the 4th end, W2For the width of first end.
Table 1 is the data that each embodiment calculates secondary gate resistance
In experimental test, other data are all made of identical numerical value, and preferably main grid quantity is 5, and main grid width is
0.95mm, main grid height are 14um, and main grid length is 156.75mm, and main grid bulk resistance is 6.0E-6 Ω cm；Secondary grid quantity
110.
The width W of secondary gate resistance and first end is calculated using calculation formula (1)-(3) according to 1 data of table2Curve close
The width W of system's figure and battery efficiency and first end2Curve relation figure, as shown in Figure 6 and Figure 7, W2Value range be 45~
100um, with W2The increase of numerical value, secondary gate resistance value are gradually reduced, and battery efficiency is generally gradually increased.
Comparative example 1
Experimental data when test is：Battery main grid quantity is 5, main grid width 0.95mm, main grid height 14um, and main grid is long
Spend 156.75mm；Secondary grid quantity 110, secondary grid width 45um, secondary grid height 16um, secondary gate length 30.4mm；Main grid bulk resistor
Rate 6.0E-6 Ω cm, secondary grid body resistivity 6.0E-6 Ω cm,
The battery efficiency in comparative example 1, in calculation formula (3), L are calculated according to calculation formula (1)-(3)1=0, W2=
W1=50um, L=30.4mm, h=16um, obtains the battery efficiency of prior art photovoltaic power generation apparatus, and maximum value is
19.94%, and the maximum value that battery efficiency reaches after secondary grid optimization is 20.0%, and 0.06% is higher by compared with comparative example 1.
With three L of embodiment1=12mm, W2When=82um, battery efficiency reaches maximum value 20.0%, is optimum value, photovoltaic tile
Piece battery efficiency is best.
In conclusion the utility model photovoltaic power generation apparatus is by the institute of the secondary grid line and right side on the left of the main gate line
It states secondary grid line and compares that the main gate line is disposed asymmetrically, carry out cutting and prepare the photovoltaic generation dress with imbrication component
It sets, show that the imbrication component of the utility model design has good property in the photovoltaic power generation apparatus by test result
Can, the photovoltaic power generation apparatus generating efficiency is improved, production cost is reduced
It is used herein such as "upper", "lower", "left", "right", "front", "rear", representation space relative position term
It is to describe relationship of the feature relative to another feature as shown in the drawings for the purpose convenient for explanation.It can manage
Solution, according to the difference of product placement position, the term of relative space position can be intended to include other than orientation as shown in the figure
Different direction, should not be interpreted as limitations on claims.In addition, descriptor "horizontal" used herein and non-fully
It is equal to along perpendicular to gravity direction, allows the inclination for having certain angle.
Above example is merely to illustrate the present invention and not limits technical solution described in the invention, to this specification
Understanding should based on person of ordinary skill in the field, although this specification with reference to the above embodiments to the present invention
Detailed description is had been carried out, still, it will be understood by those of ordinary skill in the art that, person of ordinary skill in the field is still
Can so modify or equivalently replace the present invention, and all do not depart from the spirit and scope of the present invention technical solution and
It is improved, and should all be covered in scope of the presently claimed invention.
Claims (9)
1. a kind of photovoltaic power generation apparatus has several main gate lines being mutually parallel, it is characterised in that：The main gate line it is left and right
Several secondary grid lines are distributed in both sides, and the secondary grid line between adjacent two main gate lines is from a wherein main gate line to another
A piece main gate line extends and width becomes narrow gradually, the secondary grid line phase of the secondary grid line on the left of main gate line described in same root and right side
It is disposed asymmetrically for the main gate line.
2. photovoltaic power generation apparatus as described in claim 1, it is characterised in that：Secondary grid between two adjacent main gate lines
Line is equipped with and first end and the second end extended towards another main gate line that wherein a main gate line is connect, the second end
It is connected with another main gate line, the width of the first end is more than the width of the second end.
3. photovoltaic power generation apparatus as described in claim 1, it is characterised in that：Secondary grid line between two adjacent main gate lines is set
Have with first end and the second end extended towards another main gate line that wherein a main gate line is connect, the first end
Width is more than the width of the second end, and there are gaps between the second end and another main gate line, form elongated shape cutting
Area.
4. photovoltaic power generation apparatus as claimed in claim 3, it is characterised in that：The cutting area divides the photovoltaic power generation apparatus
Several independent regions are divided into, each isolated area includes a main gate line and several secondary grid being connect with main gate line
Line.
5. photovoltaic power generation apparatus as described in claim 1, it is characterised in that：An at least lateral margin for the photovoltaic power generation apparatus is set
There are a main gate line, the main gate line only side to be connected with several secondary grid lines.
6. a kind of photovoltaic power generation apparatus is equipped with several linearly arrangement and the identical battery units of size, each electricity
The secondary grid line that pool unit has main gate line and is connected with main gate line, which is characterized in that the battery unit is elongated, the master
Grid line is located at the side of battery unit, and the pair grid line extends to the another of battery unit towards narrowing from the width far from main gate line direction
Side is simultaneously adjacent with the main gate line of adjacent cell；At least two adjacent battery units in several battery units,
Secondary grid line narrows from the width extension towards the same direction.
7. photovoltaic power generation apparatus as claimed in claim 6, it is characterised in that：Secondary grid line at left and right sides of same main gate line
It is in asymmetric distribution relative to the main gate line.
8. photovoltaic power generation apparatus as claimed in claim 6, it is characterised in that：The extending end and adjacent cell of the pair grid line
The main gate line of unit it is adjacent but and be not connected with, there are the cutting areas for cutting operation between the two；Several battery units
It is integrally connected and constitutes a single cell piece.
9. photovoltaic power generation apparatus as claimed in claim 6, it is characterised in that：Several battery units are independent of each other
Body, two neighboring battery unit pass through the overlapping connection in side, the main gate line of one of battery unit and another battery unit
The back side connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721716544.3U CN207637822U (en) | 2017-12-12 | 2017-12-12 | Photovoltaic power generation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721716544.3U CN207637822U (en) | 2017-12-12 | 2017-12-12 | Photovoltaic power generation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207637822U true CN207637822U (en) | 2018-07-20 |
Family
ID=62862378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721716544.3U Active CN207637822U (en) | 2017-12-12 | 2017-12-12 | Photovoltaic power generation apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207637822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032106A1 (en) * | 2022-08-12 | 2024-02-15 | 隆基绿能科技股份有限公司 | Integral solar cell, segmented cell, photovoltaic assembly and photovoltaic roof |
-
2017
- 2017-12-12 CN CN201721716544.3U patent/CN207637822U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032106A1 (en) * | 2022-08-12 | 2024-02-15 | 隆基绿能科技股份有限公司 | Integral solar cell, segmented cell, photovoltaic assembly and photovoltaic roof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" |
Address after: No. 199, Lushan Road, Suzhou hi tech Zone, Suzhou City, Jiangsu Province Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: Changshu Artes Sunshine Power Technology Co.,Ltd. Address before: 215129 199 deer Road, Suzhou hi tech Development Zone, Jiangsu, Suzhou Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: Changshu Artes Sunshine Power Technology Co.,Ltd. |
|
| CP03 | "change of name, title or address" |