CN209045586U - Photovoltaic module - Google Patents
Photovoltaic module Download PDFInfo
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- CN209045586U CN209045586U CN201821383099.8U CN201821383099U CN209045586U CN 209045586 U CN209045586 U CN 209045586U CN 201821383099 U CN201821383099 U CN 201821383099U CN 209045586 U CN209045586 U CN 209045586U
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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
This application involves a kind of photovoltaic module, the photovoltaic module includes: the first photovoltaic cell lamella, including multiple main battery pieces, and the multiple main battery piece is serially connected；Second photovoltaic cell lamella, the second photovoltaic cell lamella include multiple balancing battery pieces, and the multiple balancing battery piece is serially connected, and the balancing battery piece is embedded in the gap formed between the adjacent main battery piece.The balancing battery piece that the application is embedded in the gap formed between main battery piece in conventional photovoltaic assemblies by setting, takes full advantage of the gap of photovoltaic module, increases effective generating area of photovoltaic module, increase the output power of photovoltaic module.
Description
Technical field
This application involves area of solar cell, in particular to a kind of photovoltaic module.
Background technique
Monolithic solar cell piece cannot be used directly as power supply, it is necessary to which multiple monolithic solar cell pieces are formed photovoltaic
Component can just come into operation.Photovoltaic module (being also solar panel) is the core in solar power system, and
Most important part in solar power system, effect is to convert solar energy into electrical energy, and be sent in battery and store
Come, or pushes loaded work piece.Photovoltaic module is generally by preceding glass sheet, backboard or back-panel glass and EVA (ethene-vinyl acetate
Copolymer) solar battery sheet is packaged to obtain.
Since the photoelectric conversion efficiency of Monocrystalline silicon cell piece is higher than polycrystalline silicon battery plate, the preparation one of photovoltaic module
As use Monocrystalline silicon cell piece to be packaged as solar battery sheet.The processing of Monocrystalline silicon cell piece uses special technique,
It needs to carry out chamfered when processing four angles of Monocrystalline silicon cell piece, can just make the photoelectric conversion of Monocrystalline silicon cell piece in this way
Effective area is maximum.After Monocrystalline silicon cell piece processing, also it is packaged.When packaged, adjacent monocrystalline silicon battery
Piece need to keep certain line space and column pitch.
The above two o'clock causes photovoltaic module to produce a serious problem when in use, that is, is being packaged into photovoltaic module
When, gap is generated between Monocrystalline silicon cell piece, reduces effective generating area of photovoltaic module, but also photovoltaic module is defeated
Power reduces out.
Utility model content
Based on this, it is necessary to which, in traditional scheme, Monocrystalline silicon cell piece has chamfering in process, causes to encapsulate
Gap is generated between the Monocrystalline silicon cell piece in photovoltaic module afterwards, so that the problem of effective generating area of photovoltaic module is reduced,
A kind of photovoltaic module is provided.
A kind of photovoltaic module, comprising:
First photovoltaic cell lamella, including multiple main battery pieces, the multiple main battery piece are serially connected；
Second photovoltaic cell lamella, the second photovoltaic cell lamella include multiple balancing battery pieces, the multiple compensation
Cell piece is serially connected, and the balancing battery piece is embedded in the gap formed between the adjacent main battery piece.
Above-mentioned photovoltaic module is electric by the compensation being embedded in the gap formed between main battery piece in conventional photovoltaic assemblies
Pond piece takes full advantage of the gap of photovoltaic module, increases effective generating area of photovoltaic module, increases the defeated of photovoltaic module
Power out.
In one embodiment, the first photovoltaic cell lamella includes multiple main battery slips, the multiple main electricity
Pond slip extends in the same direction, so that the multiple main battery slip is disposed in parallel relation to one another, the multiple main battery slip is logical
Busbar is crossed to be serially connected；
The main battery slip includes multiple main battery pieces, and the multiple main battery piece is serially connected by interconnecting strip.
In one embodiment, the shape of the main battery piece is rectangle, and the four corners of the main battery piece are
The angle of chamfering, the chamfering is located in 43 degree of -46 degree range.
In one embodiment, the four corners of the main battery piece are chamfering, and the angle of the chamfering is 45 degree.
In one embodiment, the gap formed between the main battery piece includes outer gap and internal clearance；
The outer gap is located at the edge of the first photovoltaic cell lamella, and the outer gap is by adjacent two panels institute
It states and is formed between main battery piece；
The internal clearance；Positioned at the inside of the first photovoltaic cell lamella, the internal clearance is by adjacent four
It is formed between the main battery piece.
In one embodiment, the second photovoltaic cell lamella includes rectangle balancing battery piece string and triangle compensation
Cell piece string is connected between the rectangle balancing battery piece string and the triangle balancing battery piece string.
In one embodiment, the rectangle balancing battery piece string includes multiple rectangle balancing battery pieces, the multiple
Rectangle balancing battery piece is mutually connected in series.
In one embodiment, the triangle balancing battery piece string includes multiple triangle balancing battery piece groups, institute
Multiple triangle balancing battery piece groups are stated mutually to be connected in series.
In one embodiment, the triangle balancing battery piece group includes two pieces of adjacent triangle balancing batteries
Piece, it is in parallel between two pieces of triangles balancing battery piece.
In one embodiment, the rectangle balancing battery piece is set in the internal clearance, and the triangle is mended
Cell piece is repaid to be set in the outer gap.
In one embodiment, the surface area of the rectangle balancing battery piece is not more than the area of the internal clearance,
The surface area of the triangle balancing battery piece is not more than the area of the outer gap.
In one embodiment, the surface area of the triangle balancing battery piece is the table of the rectangle balancing battery piece
The half of area.
In one embodiment, the photovoltaic module further includes insulating film layer, and the second photovoltaic cell lamella is pasted
It is fixed on the insulating film layer, the insulating film layer is used for the first photovoltaic cell lamella and second photovoltaic cell
Layer isolation, to reach insulation purpose.
In one embodiment, the photovoltaic module further includes foreboard glassy layer, the first EVA layer, the second EVA layer and back
Glass sheet layer；In the photovoltaic module, the foreboard glassy layer, first EVA layer, the second photovoltaic cell lamella,
The insulating film layer, the first photovoltaic cell lamella, second EVA layer and the back-panel glass layer successively layer from top to bottom
Pressure setting.
Above-mentioned photovoltaic module is mended by the rectangle being embedded in the gap formed between main battery piece in conventional photovoltaic assemblies
Cell piece and triangle balancing battery piece are repaid, the gap of photovoltaic module is taken full advantage of, increases effective power generation of photovoltaic module
Area increases the output power of photovoltaic module.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the photovoltaic module that the embodiment of the application provides；
The structural representation of first photovoltaic cell lamella described in the photovoltaic module that Fig. 2 provides for the embodiment of the application
Figure；
The structural representation of first photovoltaic cell lamella described in the photovoltaic module that Fig. 3 provides for the embodiment of the application
Figure；
The structural representation of second photovoltaic cell lamella described in the photovoltaic module that Fig. 4 provides for the embodiment of the application
Figure；
First photovoltaic cell lamella and second light described in the photovoltaic module that Fig. 5 provides for the embodiment of the application
Lie prostrate the cooperation schematic diagram of battery lamella；
Fig. 6 is the sectional view for the photovoltaic module that the embodiment of the application provides；
Fig. 7 is the sectional view for the photovoltaic module that the embodiment of the application provides.
Appended drawing reference
10 first photovoltaic cell lamellas
101 main battery pieces
102 corners
110 main battery slips
120 busbars
130 interconnecting strips
140 outer gaps
150 internal clearances
20 second photovoltaic cell lamellas
201 balancing battery pieces
210 rectangle balancing battery piece strings
211 rectangle balancing battery pieces
220 triangle balancing battery piece strings
221 triangle balancing battery piece groups
222 triangle balancing battery pieces
1 first main battery slip
The first end of 11 first main battery slips
The second end of 12 first main battery slips
2 second main battery slips
The first end of 21 second main battery slips
The second end of 22 second main battery slips
3 third main battery slips
The first end of 31 third main battery slips
The second end of 32 third main battery slips
4 the 4th main battery slips
The first end of 41 the 4th main battery slips
The second end of 42 the 4th main battery slips
5 the 5th main battery slips
The first end of 51 the 5th main battery slips
The second end of 52 the 5th main battery slips
6 the 6th main battery slips
The first end of 61 the 6th main battery slips
The second end of 62 the 6th main battery slips
30 insulating film layers
40 foreboard glassy layers
50 first EVA layers
60 second EVA layers
70 back-panel glass layers
Specific embodiment
In order to make the purpose of the application, technical solution and advantage are more clearly understood, right with reference to the accompanying drawings and embodiments
Photovoltaic module provided by the present application is further elaborated.It should be appreciated that specific embodiment described herein only to
It explains the application, is not used to limit the application.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of present specification record.
The application provides a kind of photovoltaic module.The photovoltaic module can be applied to area of solar cell.
As shown in Figure 1, in the embodiment of the application, the photovoltaic module includes the first photovoltaic cell lamella 10 and the
Two photovoltaic cell lamellas 20.Specifically, the first photovoltaic cell lamella 10 and the 20 size phase of the second photovoltaic cell lamella
Together.The first photovoltaic cell lamella 10 and the second photovoltaic cell lamella 20 are parallel to each other.
In the present embodiment, the first photovoltaic cell lamella 10 includes multiple main battery pieces 101.The multiple main battery
Piece 101 is serially connected.
Specifically, the main battery piece 101 is for converting solar energy into electrical energy.The material of the main battery piece 101 is not
Limit, as long as can be realized photoelectric conversion function.Optionally, the main battery piece 101 can be Monocrystalline silicon cell piece.Monocrystalline
The photoelectric conversion efficiency of silicon cell is higher than polycrystalline silicon battery plate, is a kind of preferred main battery piece 101.One in the application is real
It applies in example, the shape of the main battery piece 101 is square.In the embodiment of the application, the ruler of the main battery piece 101
Very little is 156.75 millimeters × 156.75 millimeters.
In the present embodiment, the second photovoltaic cell lamella 20 includes multiple balancing battery pieces 201.The multiple compensation
Cell piece 201 is serially connected.The balancing battery piece 201 is embedded in the gap formed between the adjacent main battery piece 101.
In the embodiment of the application, the first photovoltaic cell lamella 10 and the second photovoltaic cell lamella 20 are simultaneously
Connection.In the present embodiment, the multiple balancing battery piece 201 forms the second photovoltaic cell lamella 20 after being serially connected.
The multiple main battery piece 101 forms the first photovoltaic cell lamella 10 after being serially connected.First photovoltaic cell
Layer 10 and the second photovoltaic cell lamella 20 are in parallel, and the two voltage is equal.That is, the multiple main battery piece 101 is gone here and there
Total voltage after connection is equal to the total voltage after the multiple main balancing battery piece 201 is connected.
The photovoltaic module is by being provided with the second photovoltaic cell lamella of the multiple balancing battery piece 201
20, and 10 parallel connection of the first photovoltaic cell lamella with the multiple main battery piece 101, on the one hand make the photovoltaic group
Voltage is constant at work for part, and electric current increases, and then increases power output.On the other hand, multiple described in the photovoltaic module
Gap between main battery piece 101 is filled, and is increased effective generating area of shown photovoltaic module and is reduced described more
Reflection of the gap to light between a main battery piece 101.
In addition, from the point of view of parallel circuit, the first photovoltaic cell lamella 10 and the second photovoltaic cell lamella
20 do not influence each other, and a photovoltaic cell lamella breaks down, another photovoltaic cell lamella also can work normally.
As shown in Fig. 2, the first photovoltaic cell lamella 10 includes multiple main battery pieces in the embodiment of the application
Item 110.The multiple main battery slip 110 extends in the same direction, sets so that the multiple main battery slip 110 is parallel to each other
It sets.The multiple main battery slip 110 is serially connected by busbar 120.The main battery slip 110 includes multiple masters
Cell piece 101.The multiple main battery piece 101 is serially connected by interconnecting strip 130.
In the embodiment of the application, the main battery slip 110 is extended longitudinally.The first photovoltaic cell lamella
10 arrangement mode is 6 × 10 rows of column, i.e., the described first photovoltaic cell lamella 10 includes 6 main battery slips 110, each
A main battery slip 110 includes 10 main battery pieces 101.This arrangement mode is the most common arrangement of photovoltaic module
Mode.The adjacent main battery slip 110 is serially connected by busbar 120.It is concatenated between the main battery slip 110
Mode can be any way, as long as can be realized so that the multiple main battery slip 110 is connected into an entirety.
The connection type of multiple main battery pieces 101 described in the present embodiment is described below.As shown in figure 3, first light
Lying prostrate battery lamella 10 includes 6 main battery slips 110, is the first main battery slip 1 being arranged successively, the second main electricity respectively
Pond slip 2, third main battery slip 3, the 4th main battery slip 4, the 5th main battery slip 5 and the 6th main battery slip 6.
Cathode exit of the first end 11 of the first main battery slip as the first photovoltaic cell lamella 10.
The second end 12 of the first main battery slip and the second end 22 of the second main battery slip pass through the remittance
Item 120 is flowed to connect.The first end of the second main battery slip and the first end 31 of the 21 third main battery slips pass through institute
State the series connection of busbar 120.The second end 32 of the third main battery slip and the second end 42 of the 4th main battery slip are logical
The busbar 120 is crossed to connect.The first end 41 of the 4th main battery slip and the first end of the 5th main battery slip
51 are connected by the busbar 120.The of the second end 52 of the 5th main battery slip and the 6th main battery slip
It is connected by the busbar 120 at two ends 62.
Positive exit of the first end 61 of the 6th main battery slip as the first photovoltaic cell lamella 10.
In the embodiment of the application, the shape of the main battery piece 101 is rectangle, and the main battery piece 101
Four corners 102 are chamfering, and the angle of the chamfering is located in 43 degree of -46 degree range.
In the embodiment of the application, the shape of the main battery piece 101 is square.In the present embodiment, described
The four corners 102 of main battery piece 101 are chamfering, and the angle of the chamfering is 45 degree.In the present embodiment, the main battery piece
101 size is 156.75 millimeters × 156.75 millimeters.In the present embodiment, the diagonal linear diameter of the chamfering is 210 millimeters, single
The length of a chamfering is 12 millimeters.
In the embodiment of the application, the gap formed between the main battery piece 101 includes outer gap 140 and interior
Portion gap 150.As shown in Fig. 2, in the case where the four corners 102 of the main battery piece 101 are chamfering, the main battery piece
A large amount of gaps are formd between 101.
In the embodiment of the application, the outer gap 140 is located at the edge of the first photovoltaic cell lamella 10.
It is formed between the main battery piece 101 as described in adjacent two panels of outer gap 140.
In the embodiment of the application, as shown in Fig. 2, the four corners 102 in the main battery piece 101 are chamfering.
In the present embodiment, the outer gap 140 is that the corner 102 of the main battery piece 101 as described in adjacent two panels is formed.In this reality
It applies in example, the shape of the outer gap 140 is triangle.
In the embodiment of the application, the internal clearance 150 is by shape between four adjacent main battery pieces 101
At.
In the embodiment of the application, as shown in Fig. 2, the four corners 102 in the main battery piece 101 are chamfering.
In the present embodiment, the outer gap 140 is to be formed by the corner 102 of four adjacent main battery pieces 101.In this reality
It applies in example, the shape of the outer gap 140 is rectangle.
The outer gap 140 and the internal clearance 150 in above-described embodiment give the effective of the photovoltaic module
Generating area produces very big loss.Based on this, the application is provided with the second photovoltaic cell lamella 20 to described first
Photovoltaic cell lamella 10 compensates.
As shown in figure 4, the second photovoltaic cell lamella 20 includes rectangle balancing battery in the embodiment of the application
Piece string 210 and triangle balancing battery piece string 220.The rectangle balancing battery piece string 210 and the triangle balancing battery piece
It connects between string 220.
In the embodiment of the application, the rectangle balancing battery piece string 210 includes multiple rectangle balancing battery pieces
211.The multiple rectangle balancing battery piece 211 is mutually connected in series.In the embodiment of the application, the rectangle balancing battery piece
211 are set in the internal clearance 150.
In the embodiment of the application, the size of the main battery piece 101 is 156.75 millimeters × 156.75 millimeters.?
In the present embodiment, the diagonal linear diameter of chamfering is 210 millimeters, and the length of the single chamfering is 12 millimeters.The rectangle is mended
The size for repaying cell piece 211 is 10 millimeters × 10 millimeters, can just make the rectangle balancing battery piece 211 be set to described
In internal clearance 150.
In the embodiment of the application, the triangle balancing battery piece string 220 includes multiple triangle balancing batteries
Piece group 221.The multiple triangle balancing battery piece group 221 is mutually connected in series.The triangle balancing battery piece 222 is set to institute
It states in outer gap 140.
Specifically, the material of the triangle balancing battery piece 222 and the rectangle balancing battery piece 211 can with it is described
Main battery piece 101 is consistent, can also be inconsistent.Preferably, the triangle balancing battery piece and the 222 rectangle balancing batteries
Piece 211 can be a part of the main battery piece 101 of damage.When the main battery piece 101 produces and processes, due to work
Skill reason and artificial origin, having also can inevitably generate some waste products while finished product.These masters discarded
The reason of cell piece 101 may be to have scratch, and size surface area does not reach technique requirement, and corner 102, which exists, collapses angle and presence
Fragmentation it is one or more.In the present embodiment, the part for not having damage in above-mentioned cell piece can be used, be processed into described three
The angular and described rectangle balancing battery piece 211, had not only saved energy and material but also environmentally friendly.
In the embodiment of the application, the triangle balancing battery piece group 221 includes that two pieces of adjacent triangles are mended
Repay cell piece 222, parallel connection between two pieces of triangle balancing batteries piece 222.
In the present embodiment, the triangle balancing battery piece 222 is in parallel two-by-two, forms the triangle balancing battery piece
Group 221.The multiple triangle balancing battery piece group 221 is mutually connected in series again, forms the triangle balancing battery piece string 220.
The triangle balancing battery piece string 220 and the rectangle balancing battery piece string 210 series connection, form second photovoltaic cell
Layer 20.
Since the first photovoltaic cell lamella 10 and the second photovoltaic cell lamella 20 are mutually in parallel, described
The voltage of one photovoltaic cell lamella 10 is identical with the voltage of the second photovoltaic cell lamella 20.It is equivalent to, the rectangle is mended
Repay voltage summation+triangle balancing battery piece string 220 voltage summation=the multiple main battery piece of cell piece string 210
Voltage summation after 101 series connection.
Fig. 5 is the first photovoltaic cell lamella 10 and the second photovoltaic cell lamella in one embodiment of the application
20 cooperation schematic diagram.
As shown in figure 5, for example, in the embodiment of the application, the arrangement mode of the first photovoltaic cell lamella 10
For 6 × 10 rows of column, i.e., the described first photovoltaic cell lamella 10 includes 6 main battery slips 110, each described main battery
Slip 110 includes 10 main battery pieces 101.The main battery piece 101 is 6 × 10, i.e., 60 altogether.What is formed is described
Internal clearance 150 is 5 × 9, i.e., 45.The outer gap 140 formed is 30.
Corresponding, the rectangle balancing battery piece 211 in the second photovoltaic cell lamella 20 is 45, described three
Angular balancing battery piece 222 is 30.In the present embodiment, the voltage of main battery piece 101 described in monolithic is 1V, the multiple master
The voltage for the first photovoltaic cell lamella 10 that cell piece 101 is composed in series mutually is 60V.Corresponding, the rectangle is mended
The sum of the total voltage of the total voltage and the triangle balancing battery piece string 220 of repaying cell piece string 210 needs to reach 60V.
In the embodiment of the application, the surface area of the rectangle balancing battery piece 211 is not more than the internal clearance
150 area, the surface area of the triangle balancing battery piece 222 are not more than the area of the outer gap 140.
In the present embodiment, the surface area of the rectangle balancing battery piece 211 is not more than the face of the internal clearance 150
Product, can make the rectangle balancing battery piece 211 be embedded in the internal clearance 150.The triangle balancing battery piece
222 surface area be not more than the outer gap 140 area, can make the triangle balancing battery piece 222 be embedded into
In the outer gap 140.
In the embodiment of the application, the surface area of the triangle balancing battery piece 222 is rectangle compensation electricity
The half of the surface area of pond piece 211.The present embodiment is applied to the main battery piece 101 and is square, the main battery piece 101 4
A corner 102 is the situation of chamfering.
As shown in fig. 6, the photovoltaic module further includes insulating film layer 30 in the embodiment of the application.Described second
30 layers of the insulating film is fixed in the stickup of photovoltaic cell lamella 20.The insulating film layer 30 is used for first photovoltaic cell
Layer 10 and the second photovoltaic cell lamella 20 isolation, to reach insulation purpose.
In the present embodiment, the material of the insulating film layer 30 can be a kind of ultra-thin materials that translucency is good.Specifically,
The material of the insulating film layer 30 can be PET plastic, i.e. poly terephthalic acid class plastics.
As shown in fig. 7, the photovoltaic module further includes foreboard glassy layer 40, the first EVA in the embodiment of the application
Layer 50, the second EVA layer 60 and back-panel glass layer 70.In the photovoltaic module, the foreboard glassy layer 40, the first EVA
Layer 50, the second photovoltaic cell lamella 20, the insulating film layer 30, the first photovoltaic cell lamella 10, the 2nd EVA
Layer 60 and the back-panel glass layer 70 are sequentially laminated setting from top to bottom.
In the present embodiment, after laminating, the anode and second photovoltaic cell of the second photovoltaic cell lamella 20
The positive exit of lamella 20 is in parallel, and the two is welded with terminal box.The cathode of the second photovoltaic cell lamella 20 and described
The cathode exit of second photovoltaic cell lamella 20 is in parallel, and the two is welded with terminal box.
The photovoltaic module is compensated by being provided with the multiple rectangle balancing battery piece 211 and the multiple triangle
The second photovoltaic cell lamella 20 of cell piece 222, and first photovoltaic cell with the multiple main battery piece 101
Lamella 10 is in parallel, and on the one hand making the photovoltaic module, voltage is constant at work, and electric current increases, and then increases power output.
On the other hand, the gap between multiple main battery pieces 101 described in the photovoltaic module is filled, and increases photovoltaic module
Effective generating area and reduce reflection of the gap to light between the multiple main battery piece 101.
In addition, from the point of view of parallel circuit, the first photovoltaic cell lamella 10 and the second photovoltaic cell lamella
20 do not influence each other, and a photovoltaic cell lamella breaks down, another photovoltaic cell lamella also can work normally.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application the scope of the patents therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the concept of this application, various modifications and improvements can be made, these belong to the guarantor of the application
Protect range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (14)
1. a kind of photovoltaic module characterized by comprising
First photovoltaic cell lamella (10), including multiple main battery pieces (101), the multiple main battery piece (101) are serially connected；
Second photovoltaic cell lamella (20), the second photovoltaic cell lamella (20) includes multiple balancing battery pieces (201), described
Multiple balancing battery pieces (201) are serially connected, the balancing battery piece (201) be embedded at the adjacent main battery piece (101) it
Between in the gap that is formed.
2. photovoltaic module according to claim 1, which is characterized in that the first photovoltaic cell lamella (10) includes multiple
Main battery slip (110), the multiple main battery slip (110) extends in the same direction, so that the multiple main battery slip
(110) it is disposed in parallel relation to one another, the multiple main battery slip (110) is serially connected by busbar (120)；
The main battery slip (110) includes multiple main battery pieces (101), and the multiple main battery piece (101) passes through interconnecting strip
(130) it is serially connected.
3. photovoltaic module according to claim 2, which is characterized in that the shape of the main battery piece (101) is rectangle, and
The four corners (102) of the main battery piece (101) are chamfering, and the angle of the chamfering is located in 43 degree of -46 degree range.
4. photovoltaic module according to claim 3, which is characterized in that the four corners (102) of the main battery piece (101)
For chamfering, the angle of the chamfering is 45 degree.
5. photovoltaic module according to claim 4, which is characterized in that the gap formed between the main battery piece (101)
Including outer gap (140) and internal clearance (150)；
The outer gap (140) is located at the edge of the first photovoltaic cell lamella (10), and the outer gap (140) is by phase
It is formed between main battery piece (101) described in adjacent two panels；
The internal clearance (150)；Positioned at the inside of the first photovoltaic cell lamella (10), the internal clearance (150) by
It is formed between the main battery piece (101) of adjacent four.
6. photovoltaic module according to claim 5, which is characterized in that the second photovoltaic cell lamella (20) includes rectangle
Balancing battery piece string (210) and triangle balancing battery piece string (220), the rectangle balancing battery piece string (210) and described three
It connects between angular balancing battery piece string (220).
7. photovoltaic module according to claim 6, which is characterized in that the rectangle balancing battery piece string (210) includes more
A rectangle balancing battery piece (211), the multiple rectangle balancing battery piece (211) are mutually connected in series.
8. photovoltaic module according to claim 7, which is characterized in that the triangle balancing battery piece string (220) includes
Multiple triangle balancing battery piece groups (221), the multiple triangle balancing battery piece group (221) are mutually connected in series.
9. photovoltaic module according to claim 8, which is characterized in that the triangle balancing battery piece group (221) includes
Two pieces of adjacent triangle balancing battery pieces (222) are in parallel between two pieces of triangle balancing batteries piece (222).
10. photovoltaic module according to claim 9, which is characterized in that the rectangle balancing battery piece (211) is set to institute
It states in internal clearance (150), the triangle balancing battery piece (222) is set in the outer gap (140).
11. photovoltaic module according to claim 10, which is characterized in that the surface of the rectangle balancing battery piece (211)
Product is not more than the area of the internal clearance (150), and the surface area of the triangle balancing battery piece (222) is outer no more than described
The area in portion gap (140).
12. photovoltaic module according to claim 11, which is characterized in that the table of the triangle balancing battery piece (222)
Area is the half of the surface area of the rectangle balancing battery piece (211).
13. -12 described in any item photovoltaic modulies according to claim 1, which is characterized in that the photovoltaic module further includes insulation
Film layer (30), the second photovoltaic cell lamella (20), which is pasted, is fixed on the insulating film layer (30), the insulating film layer (30)
For the first photovoltaic cell lamella (10) and the second photovoltaic cell lamella (20) to be isolated, to reach insulation purpose.
14. photovoltaic module according to claim 13, which is characterized in that the photovoltaic module further includes foreboard glassy layer
(40), the first EVA layer (50), the second EVA layer (60) and back-panel glass layer (70)；In the photovoltaic module, the foreboard glass
Glass layer (40), first EVA layer (50), the second photovoltaic cell lamella (20), the insulating film layer (30), described first
Photovoltaic cell lamella (10), second EVA layer (60) and the back-panel glass layer (70) are sequentially laminated setting from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821383099.8U CN209045586U (en) | 2018-08-27 | 2018-08-27 | Photovoltaic module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821383099.8U CN209045586U (en) | 2018-08-27 | 2018-08-27 | Photovoltaic module |
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| Publication Number | Publication Date |
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| CN209045586U true CN209045586U (en) | 2019-06-28 |
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| CN109037381A (en) * | 2018-08-27 | 2018-12-18 | 珠海格力能源环境技术有限公司 | Photovoltaic module |
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