CN110034202A - Photovoltaic module - Google Patents
Photovoltaic module Download PDFInfo
- Publication number
- CN110034202A CN110034202A CN201910213452.0A CN201910213452A CN110034202A CN 110034202 A CN110034202 A CN 110034202A CN 201910213452 A CN201910213452 A CN 201910213452A CN 110034202 A CN110034202 A CN 110034202A
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- Prior art keywords
- battery strings
- strings group
- battery
- group
- photovoltaic module
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- 230000005611 electricity Effects 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000004744 fabric Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical group C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 1
- 229910001573 adamantine Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/044—PV modules or arrays of single PV cells including bypass diodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
-
- 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
- H02S40/36—Electrical components characterised by special electrical interconnection means between two or more PV modules, e.g. electrical module-to-module connection
-
- 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
- H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
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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
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The application provides a kind of photovoltaic module, is related to technical field of solar.The photovoltaic module includes at least one battery unit, and battery unit is in rectangle；Battery unit includes the battery strings group of multiple electrical connections, and each battery strings group includes the battery strings of multiple parallel connections, and battery strings include multiple concatenated cell pieces；There are two conducting end and two sides between two conducting ends for battery strings group tool；Battery unit has the white space surrounded by battery strings group；At least two adjacent battery strings groups are arranged according to predetermined manner, predetermined manner are as follows: a side of a conducting end of the battery strings group battery strings group adjacent with one is respectively positioned on a straight line, and two adjacent battery strings groups are located at the same side of the straight line.
Description
Technical field
This application involves technical field of solar, in particular to a kind of photovoltaic module.
Background technique
Photovoltaic module is to convert light energy into the device of electric energy using photovoltaic effect.Wherein, in solar cells, lead to
Often need to connect multiple cell pieces, to form battery strings, multiple battery strings can serial or parallel connection at a battery strings group.It is working
In the process, if cell piece blocks, which just will become load, consume caused by other cell pieces
Power simultaneously generates heat, increases component local temperature, generates hot spot effect, reduces the output power of solar battery even
It burns.In order to reduce the influence of hot spot, it usually needs diode is introduced in solar cells, and battery strings reverse parallel connection,
When being parallel with the cell piece of diode and being blocked, the diode current flow battery that be blocked is bypassed, and avoids the occurrence of hot spot effect,
But since diode needs to connect by special busbar with the both ends of battery strings group, but existing battery strings arrangement mode
Limitation so that the dosage of busbar is larger.
It should be noted that information is only used for reinforcing the reason to the background of the application disclosed in above-mentioned background technology part
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The application's is designed to provide a kind of photovoltaic module, can reduce busbar usage amount, and be convenient for cabling.
According to the one aspect of the application, a kind of photovoltaic module, including at least one battery unit, the battery list are provided
Member is in rectangle；The battery unit includes the battery strings group of multiple electrical connections, and each battery strings group includes multiple in parallel
Battery strings, the battery strings include multiple concatenated cell pieces；The battery strings group tool is there are two conducting end and is located at two institutes
State two sides between conducting end；The battery unit has the white space surrounded by the battery strings group；At least two
The adjacent battery strings group is arranged according to predetermined manner, the predetermined manner are as follows:
A side of one conducting end of the one battery strings group battery strings group adjacent with one is respectively positioned on a straight line, and
Two adjacent battery strings groups are located at the same side of the straight line.
In a kind of exemplary embodiment of the application, the battery unit includes the first battery strings group, the second battery strings
Group and third battery strings group；The second battery strings group and the third battery strings group with the first battery strings group phase
It is adjacent；
A side of one conducting end of the first battery strings group and the second battery strings group is located in first straight line, and
First battery strings group and the second battery strings group are located at the side of the first straight line；
A side of one conducting end of the third battery strings group and the first battery strings group is located in second straight line, and
Third battery strings group and the first battery strings group are located at the side of the second straight line.
In a kind of exemplary embodiment of the application, the battery unit further includes the 4th battery strings group, and described second
Battery strings group and the third battery strings group are adjacent with the four battery strings group position, and the third battery strings group with it is described
The electrical connection of 4th battery strings group；
One conducting end of the 4th battery strings group and a side of the third battery strings group are located on third straight line, and
The 4th battery strings group and the third battery strings group are located at the side of the third straight line；
A side of the 4th battery strings group and a conducting end of the second battery strings group are located on the 4th straight line, and
The second battery strings group and the 4th battery strings group are located at the side of the 4th straight line.
In a kind of exemplary embodiment of the application, the first battery strings group, the second battery strings group, third battery strings
Group is identical with the shape of the 4th battery strings group.
In a kind of exemplary embodiment of the application, the battery unit includes the first battery strings group, the second battery strings
Group and third battery strings group；The second battery strings group and the third battery strings group with the first battery strings group phase
It is adjacent；A side of one conducting end of the first battery strings group and the second battery strings group is located in first straight line, and first
Battery strings group and the second battery strings group are located at the side of the first straight line；One conducting end of the third battery strings group with
A side of the first battery strings group is located in second straight line, and third battery strings group and the first battery strings group are located at institute
The side of second straight line is stated, the side edge length of the first battery strings group is greater than the conducting end length of the second battery strings group.
In a kind of exemplary embodiment of the application, reverse parallel connection one or two between the conducting end of each battery strings group
Pole pipe；Or
The battery strings group of at least adjacent two and the same diode reverse parallel connection.
In a kind of exemplary embodiment of the application, the photovoltaic module further includes being covered in the battery unit front
Transparent cover plate, the position that the inner or outer side of the transparent cover plate corresponds to the busbar of the connection battery strings group is set
There is icon indicia.
In a kind of exemplary embodiment of the application, the photovoltaic module further includes being covered in the battery unit front
Transparent cover plate, the transparent cover plate, which corresponds to, to be connected the position of the busbar of the battery strings group and is equipped with luminescent device, described
Luminescent device is located at the inner or outer side of the transparent cover plate.
In a kind of exemplary embodiment of the application, the photovoltaic module further includes being covered in the battery unit front
Transparent cover plate, the transparent cover plate be equipped with covering layer, orthographic projection of the pattern of the covering layer on the battery unit with
Connect the busbar matching of the battery strings group.
In a kind of exemplary embodiment of the application, the color of the covering layer is white, black or blue.
In a kind of exemplary embodiment of the application, adjacent two cell piece of the same battery strings group is overlapping to be set
It sets, and is connected by conducting resinl or conducting wire.
In a kind of exemplary embodiment of the application, the photovoltaic module further includes terminal box, and the diode is located at
In the terminal box；Or
The diode package is in the battery unit.
The photovoltaic module of the application, in the battery strings group of the battery unit of rectangle, a conducting end of a battery strings group
A side of the battery strings group adjacent with one is respectively positioned on a straight line, and two adjacent battery strings groups are located at the same of the straight line
Side, so that the busbar may extend to battery strings group when connecting the conducting end of two battery strings groups by busbar
Conducting end between, which can be used for anti-parallel diodes simultaneously, so that it is special to be reduced to anti-parallel diodes
The dosage of busbar is set, busbar is saved.Meanwhile battery unit has the white space surrounded by the battery strings group, it can
For preventing terminal box, nameplate etc., masking battery unit is avoided.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The application can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and together with specification it is used to explain the principle of the application.It should be evident that the accompanying drawings in the following description is only the application
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the schematic diagram of the battery strings of the application photovoltaic module.
Fig. 2 is the schematic diagram of the first embodiment of the application photovoltaic module.
Fig. 3 is the schematic rear view of the first embodiment of the application photovoltaic module.
Fig. 4 is the schematic diagram of second of embodiment of the application photovoltaic module.
Fig. 5 is the schematic diagram of the third embodiment of the application photovoltaic module.
Fig. 6 is the schematic diagram of the 4th kind of embodiment of the application photovoltaic module.
Fig. 7 is the schematic rear view of the 4th kind of embodiment of the application photovoltaic module.
Fig. 8 is the schematic diagram of the 5th kind of embodiment of the application photovoltaic module.
Fig. 9 is the schematic diagram of the 6th kind of embodiment of the application photovoltaic module.
Figure 10 is second of the embodiment, the 6th kind of embodiment and the 8th kind of embodiment of the application photovoltaic module
Schematic rear view.
Figure 11 is the schematic diagram of the 7th kind of embodiment of the application photovoltaic module.
Figure 12 is a partial schematic diagram of diode in the 7th kind of embodiment of the application photovoltaic module.
Figure 13 is another partial schematic diagram of diode in the 7th kind of embodiment of the application photovoltaic module.
Figure 14 is the schematic diagram of the 8th kind of embodiment of the application photovoltaic module.
Figure 15 is the schematic diagram of the 9th kind of embodiment of the application photovoltaic module.
Figure 16 is the schematic diagram of the tenth kind of embodiment of the application photovoltaic module.
Figure 17 is the schematic rear view of the tenth kind of embodiment of the application photovoltaic module.
Figure 18 is a kind of the tenth schematic diagram of embodiment of the application photovoltaic module.
In figure: 100, battery unit；101, white space；200, battery strings；201, cell piece；202, welding is punched；
300, terminal box；400, nameplate；1, the first battery strings group；2, the second battery strings group；3, third battery strings group；4, the 4th battery strings
Group；5, the 5th battery strings group；6, the 6th battery strings group；7, the first busbar；8, the second busbar；9, third busbar；10,
Four busbars；11, first diode；12, the second diode；13, third diode；14, the 4th diode.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical attached drawing in figure
Label indicates same or similar structure, thus the detailed description that will omit them.
Although the term of relativity, such as "upper" "lower" is used to describe a component of icon for another in this specification
The relativeness of one component, but these terms are in this manual merely for convenient, for example, with reference to the accompanying drawings described in show
The direction of example.It is appreciated that, if making it turn upside down the device overturning of icon, the component described in "upper" will
As the component in "lower".When certain structure is at other structures "upper", it is possible to refer to that certain structural integrity is formed in other structures
On, or refer to that certain structure is " direct " and be arranged in other structures, or refer to that certain structure is arranged by the way that another structure is " indirect " in other knots
On structure.
Term "one", " one ", "the", " described " and "at least one" be to indicate that there are one or more elements/groups
At part/etc.；Term " comprising " and " having " is to indicate the open meaning being included and refer in addition to listing
Element/component part/also may be present except waiting other element/component part/etc..
For the application embodiments, provides a kind of photovoltaic module, which includes at least one battery unit, electricity
Pool unit is in rectangle, and battery unit includes the battery strings group of multiple electrical connections, and each battery strings group includes the battery of multiple parallel connections
String, battery strings include multiple concatenated cell pieces；Battery strings group has two there are two conducting end and between two conducting ends
A side；At least two adjacent battery strings groups are arranged according to predetermined manner, the predetermined manner are as follows: the one of a battery strings group leads
A side of the electric end battery strings group adjacent with one is respectively positioned on a straight line, and two adjacent battery strings groups are located at the straight line
The same side.
The photovoltaic module of the application embodiment, in the battery strings group of the battery unit of rectangle, battery strings group
A side of the one conducting end battery strings group adjacent with one is respectively positioned on a straight line, and two adjacent battery strings groups are located at this
The same side of straight line, so that the busbar may extend to when connecting the conducting end of two battery strings groups by busbar
Between the conducting end of battery strings group, which can be used for anti-parallel diodes simultaneously, to be reduced to reverse parallel connection two
The dosage of busbar is specially arranged in pole pipe, saves busbar.
Battery unit is in rectangle, can be square or rectangle.Each battery strings group includes the battery strings of multiple parallel connections,
As shown in Figure 1, battery strings 200 may include multiple cell pieces 201 being sequentially connected in series, for example including 2-35 cell piece 201.Battery
The type of piece 201 does not do particular determination herein.In same battery strings 200, adjacent two cell piece 201, which can overlap, to be arranged and can pass through
Conducting resinl or plain conductor series connection；In addition, battery strings group may also include two punching weldings 202, a dozen hole weldings 202 are connected to
The anode of battery strings, another punching welding 202 are connected to the cathode of battery strings.There are two conducting end and two for each battery strings group tool
A side, two sides are located between two conducting ends, and two conducting ends are respectively the anode and cathode of the battery strings group.Battery
The shape of string group can be rectangle, including square and rectangle, and the shape of different battery strings groups can be identical, can also be different, and
The size of different battery strings groups may be the same or different.There is gap, for connecting battery strings between adjacent two battery strings group
The busbar of group passes through.
When photovoltaic module is double glass double-side assemblies, in order to avoid terminal box and nameplate block the battery unit back side and cause heat
Spot, can make battery unit have white space, so as to terminal box, nameplate be placed on it is corresponding transparent with the white space position
On cover board, which is surrounded by multiple battery strings groups.Certainly, battery unit can also not have white space.
The first embodiment of the application photovoltaic module, as shown in Fig. 2, battery unit 100 includes the first battery strings group
1, the second battery strings group 2, third battery strings group 3, the second battery strings group 2 and third battery strings group 3 with 1 phase of the first battery strings group
Neighbour, and it is respectively positioned on the same side of the first battery strings group 1.
A side of one conducting end of the first battery strings group 1 and the second battery strings group 2 is located in first straight line, and the first electricity
Pond string group 1 and the second battery strings group 2 are located at the side of the first straight line；Another conducting end and third of first battery strings group 1
A side of battery strings group 3 is located in second straight line, and the first battery strings group 1 is located at second straight line with third battery strings group 3
Side.
The side edge length of first battery strings group 1 can be equal to the length of the conducting end of the second battery strings group 2 and third battery strings group 3
The sum of degree.If the equal length of the conducting end of the conducting end and third battery strings group 3 of the second battery strings group 2, the first battery strings
The side edge length of group 1 is equal to twice of the length of the conducting end of the second battery strings group 2 or third battery strings group 3.So that battery list
Member 100 does not have white space.
Certainly, the side edge length of the first battery strings group 1 can also be made to be greater than the second battery strings group 2 and third battery strings group 3
The sum of length of conducting end, so as to have white space, i.e. battery unit 100 between the second battery strings group 2 and third battery strings group 3
With white space, which can be used for placing nameplate and terminal box to prevent terminal box and nameplate from blocking battery unit back
Cause hot spot in face.
Second of embodiment of the application photovoltaic module, as shown in figure 4, battery unit 100 includes the first battery strings group
1, the second battery strings group 2, third battery strings group 3 and the 4th battery strings group 4, the second battery strings group 2 and the equal position of third battery strings group 3
Between the first battery strings group 1 and the 4th battery strings group 4, so that the second battery strings group 2 and third battery strings group 3 are electric with first
Pond string group 1 is adjacent, and the second battery strings group 2 and third battery strings group 3 are adjacent with the 4th battery strings group 4, and third battery strings
Group 3 is electrically connected with the 4th battery strings group 4.
A side of one conducting end of the first battery strings group 1 and the second battery strings group 2 is located in first straight line, and the first electricity
Pond string group 1 and the second battery strings group 2 are located at the side of the first straight line；Another conducting end and third of first battery strings group 1
A side of battery strings group 3 is located in second straight line, and the first battery strings group 1 is located at first straight line with third battery strings group 3
Side.
A side of one conducting end of the 4th battery strings group 4 and the second battery strings group 2 is located in first straight line, and the 4th electricity
Pond string group 4 and the second battery strings group 2 are located at the side of third straight line；Another conducting end and third battery of 4th battery strings group 4
A side of string group 3 is located in second straight line, and third battery strings group 3 and the 4th battery strings group 4 are located at the side of second straight line.
First battery strings group 1 is identical with the side edge length of the 4th battery strings group 4, and is all larger than the second battery strings group 2 and
The sum of the conducting end length of three battery strings groups 3, so that battery unit 100 has white space 101.For example, the first battery strings group 1
It is rectangle with the 4th battery strings group 4, the second battery strings group 2 and third battery strings group 3 are square, and the first battery strings
The length of the side of group 1 and the 4th battery strings group 4 is greater than the length of the conducting end of the second battery strings group 2 and third battery strings group 3.
The third embodiment of the application photovoltaic module, as shown in figure 5, battery unit 100 includes the first battery strings group
1, the second battery strings group 2, third battery strings group 3 and the 4th battery strings group 4, and the distribution mode of each battery strings group and above-mentioned second
Kind embodiment is identical, and this will not be detailed here.Meanwhile first the side edge length of battery strings group 1 and the 4th battery strings group 4 be equal to the
The conducting end length of two battery strings groups 2 plus third battery strings group 3, so that battery unit 100 does not have the sky that battery strings group surrounds
White region 101.
4th kind of embodiment of the application photovoltaic module, as shown in fig. 6, battery unit 100 includes the first battery strings group
1, the second battery strings group 2, third battery strings group 3 and the 4th battery strings group 4, the second battery strings group 2 and third battery strings group 3 with
First battery strings group 1 is adjacent, and the second battery strings group 2 and third battery strings group 3 are adjacent with the 4th battery strings group 4, and third
Battery strings group 3 is electrically connected with the 4th battery strings group 4.
A side of one conducting end of the first battery strings group 1 and the second battery strings group 2 is located in first straight line, and the first electricity
Pond string group 1 and the second battery strings group 2 are located at the side of first straight line.A conducting end and the first battery strings for third battery strings group 3
A side of group 1 is located in second straight line, and third battery strings group 3 and the first battery strings group 1 are located at the side of second straight line.
One conducting end of the 4th battery strings group 4 and a side of third battery strings group 3 are located on third straight line, and the 4th electricity
Pond string group 4 and third battery strings group 3 are located at the side of third straight line；A side of 4th battery strings group 4 and the second battery strings group 2
A conducting end be located on the 4th straight line, and the second battery strings group 2 and the 4th battery strings group 4 are located at the side of the 4th straight line.
Region shared by first straight line, second straight line, third straight line and the 4th straight line is area shared by battery unit 100
Domain；First battery strings group 1, the second battery strings group 2, third battery strings group 3 are identical with the shape of the 4th battery strings group 4, and are
Rectangle, the side edge length of each battery strings group is greater than the length of conducting end, so as to surround white space, so that battery unit
100 have white space 101.
5th kind of embodiment of the application photovoltaic module, as shown in figure 8, battery unit 100 includes the first battery strings group
1, the second battery strings group 2, third battery strings group 3 and the 4th battery strings group 4, the distribution mode of each battery strings group with above-mentioned 4th kind
Embodiment is identical.First battery strings group 1, the second battery strings group 2, the shape phase of third battery strings group 3 and the 4th battery strings group 4
Together, and it is square, so that the side edge length of the first battery strings group 1 is equal to the conducting end length of the second battery strings group 2, thus
Battery unit 100 is set not have the white space surrounded by each battery strings group.
6th kind of embodiment of the application photovoltaic module, as shown in figure 9, battery unit 100 includes the first battery strings group
1, the second battery strings group 2, third battery strings group 3 and the 4th battery strings group 4, the second battery strings group 2 and third battery strings group 3 with
First battery strings group 1 is adjacent, and the second battery strings group 2 and third battery strings group 3 are adjacent with the 4th battery strings group 4, third electricity
Pond string group 3 is electrically connected with the 4th battery strings group 4.
A side of one conducting end of the first battery strings group 1 and the second battery strings group 2 is located in first straight line, and the first electricity
Pond string group 1 and the second battery strings group 2 are located at the side of first straight line.A conducting end and the first battery strings for third battery strings group 3
A side of group 1 is located in second straight line, and third battery strings group 3 and the first battery strings group 1 are located at the side of second straight line.
One conducting end of the 4th battery strings group 4 and a side of third battery strings group 3 are located on third straight line, and the 4th electricity
Pond string group 4 and third battery strings group 3 are located at the side of third straight line；A side of 4th battery strings group 4 and the second battery strings group 2
A conducting end be located on the 4th straight line, and the second battery strings group 2 and the 4th battery strings group 4 are located at the side of the 4th straight line.
Region shared by first straight line, second straight line, third straight line and the 4th straight line is area shared by battery unit 100
Domain, and be rectangle；The side edge length of first battery strings group 1 and the 4th battery strings group 4 is greater than the second battery strings group 2 and third
The length of the conducting end of battery strings group 3 makes battery unit 100 have white space 101 to surround white space 101.
7th kind of embodiment of the application photovoltaic module, as shown in figure 11, the quantity of the battery strings group of battery unit 100
And distribution mode is identical as above-mentioned 6th kind of embodiment, the first battery strings group 1 is identical with the shape of the 4th battery strings group 4, and
It is square, the second battery strings group 2 is identical with third battery strings 3 shapes of group, and is rectangle；First battery strings group 1 and
The side edge length of four battery strings groups 4 is equal to the length of the conducting end of the second battery strings group 2 and third battery strings group 3, so that battery
Unit 100 does not have the white space 101 that battery strings group surrounds.
8th kind of embodiment of the application photovoltaic module, as shown in figure 14, battery unit 100 include the first battery strings group
1, the second battery strings group 2 and third battery strings group 3, the row of the first battery strings group 1, the second battery strings group 2 and third battery strings group 3
Mode for cloth is identical as above-mentioned 6th kind of embodiment；Meanwhile the battery unit 100 further includes the 4th battery strings group 4, the 5th battery
String group 5 and the 6th battery strings group 6, the 4th battery strings group 4 and the first battery strings group 1 are in center about the center of battery unit 100
Symmetrically, the 5th battery strings group 5 is centrosymmetric with the second battery strings group 2 about the center of battery unit 100, the 6th battery strings group
6 center with third battery strings group 3 about battery unit 100 is centrosymmetric.First battery strings group 1 and the 4th battery strings group 4
The length of side be greater than the length of conducting end of other battery strings groups and make battery unit 100 to surround white space 101
With white space 101.
9th kind of embodiment of the application photovoltaic module, as shown in figure 15, the quantity of the battery strings group of battery unit 100
And distribution mode is identical as above-mentioned 7th kind of embodiment, the length of the conducting end of the second battery strings group 2 and the 5th battery strings group 5
It is equal to the side edge length of the first battery strings group 1 and the 4th battery strings group 4, so that the battery unit 100 does not have white space
101。
Tenth kind of embodiment of the application photovoltaic module, as shown in figure 16, it is in distributed rectangular that photovoltaic module, which includes two,
Battery unit 100, two battery units 100 are symmetrical about a straight line between the two, and wherein at least one battery list
Member 100 is the battery unit 100 in above-mentioned 4th embodiment.
A kind of tenth embodiment of the application photovoltaic module, as shown in figure 18, photovoltaic module include two in rectangle point
The battery unit 100 of cloth, two battery units 100 are symmetrical about a straight line between the two, and wherein at least one battery
Unit 100 is the battery unit 100 in above-mentioned 5th kind of embodiment, so that there are two white spaces 101 for photovoltaic module tool.
It, can reverse parallel connection one or two between the conducting end of each battery strings group based on the photovoltaic module of any of the above-described embodiment
Pole pipe improves hot spot effect to increase the quantity of diode.It certainly, can also common reverse parallel connection one of multiple battery strings groups
Diode, for example, two at least adjacent battery strings groups and the same diode reverse parallel connection.
For example, for the 7th kind of above-mentioned embodiment, if Figure 12 and Figure 13 show, the first battery strings group 1 and second
Battery strings group 2 can be connected by the first busbar 7, and the first battery strings group 1 and third battery strings group 3 are connected by the second busbar 8
It connects, third battery strings group 3 and the 4th battery strings group 1 are connected by third busbar 9, the 4th battery strings group 4 and the second battery strings
Group 2 is connected by the 4th busbar 10.First diode 11 is connected between the first busbar 7 and the second busbar 8, and the two or two
Pole pipe 12 is connected between the second busbar 8 and third busbar 9, and third diode 13 is connected to the first busbar 7 and the 4th
Between busbar 10, the 4th diode 14 is connected between third busbar 9 and the 4th busbar 10.
Photovoltaic module may also include terminal box 300, and each diode can be located in terminal box 300, for blank area
For the battery unit 100 in domain, terminal box 300 can be located at white space.Certainly, directly diode can also be connect with busbar
And it is packaged in battery unit 100.
As shown in figure 3, Fig. 3 shows the back side of the first embodiment of photovoltaic module, the back side of battery unit 100 is equipped with
Terminal box 300.
Shown in Fig. 7, Fig. 7 shows the back side of the 4th kind of embodiment of photovoltaic module, may be provided with and connects in white space 101
Wire box 300 and nameplate 400, the quantity of terminal box 300 are one, and each diode is respectively positioned in the terminal box 300.
As shown in Figure 10, Figure 10 shows second of embodiment of photovoltaic module, the 6th kind of embodiment and the 8th kind
The back side of embodiment, in the above-mentioned second, the 6th and the 8th kind of embodiment, settable terminal box 300 in white space 101
With nameplate 400.The quantity of terminal box 300 is two, and each diode is located in two terminal boxes 300, and two wiring
The two sides of the separation nameplate 400 of box 300.
As shown in figure 17, Figure 17 shows the back sides of the tenth kind of embodiment of photovoltaic module, in the above-mentioned ten kind of embodiment party
In formula, photovoltaic module includes two white spaces 101, and settable terminal box 300 and nameplate 400 in each white space 101.
For the battery unit with white space, the photovoltaic module of the application may also include transparent cover plate, this is thoroughly
The material of bright cover board can be glass or other transparent materials.Transparent cover plate can be covered in battery unit side, and transparent cover plate
The position that inner or outer side corresponds to white space can be equipped with icon indicia.The inside of transparent cover plate is transparent cover plate close to battery
The side of unit, the outside of transparent cover plate are side of the transparent cover plate far from battery unit.The specific structure of icon indicia is herein
Particular determination is not done, for example, the icon indicia can be bonding or the advertising logo etc. for being fixed on white space by other means.
The position that transparent cover plate corresponds to the busbar between above-mentioned white space 101 or battery strings group is equipped with luminescent device,
And luminescent device is located at the inner or outer side of transparent cover plate.Luminescent device can be LED light or other luminescent devices, as long as can send out
Light.The luminous color of luminescent device does not do particular determination.
In one embodiment, transparent cover plate is covered in battery unit front, and transparent cover plate is equipped with covering layer, covering layer
Orthographic projection of the pattern on battery unit matched with the busbar of battery strings group or white space, hidden so as to pass through covering layer
Cover the terminal box in the busbar or white space in the gap.The material of covering layer can be adamantine layer, and color can be white
Color, black or blue, it is of course also possible to be other colors.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the application
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the application, these modifications, purposes or
Person's adaptive change follows the general principle of the application and including the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the application are by appended
Claim is pointed out.
Claims (12)
1. a kind of photovoltaic module, which is characterized in that including at least one battery unit, the battery unit is in rectangle；The electricity
Pool unit includes the battery strings group of multiple electrical connections, and each battery strings group includes the battery strings of multiple parallel connections, the battery
String includes multiple concatenated cell pieces；The battery strings group has two there are two conducting end and between two conducting ends
A side；The battery unit has the white space surrounded by the battery strings group；At least two adjacent battery strings
Group is arranged according to predetermined manner, the predetermined manner are as follows:
A side of one conducting end of the one battery strings group battery strings group adjacent with one is respectively positioned on a straight line, and this two
A adjacent battery strings group is located at the same side of the straight line.
2. photovoltaic module according to claim 1, which is characterized in that the battery unit includes the first battery strings group, the
Two battery strings groups and third battery strings group；The second battery strings group and the third battery strings group with first battery
String group is adjacent；
A side of one conducting end of the first battery strings group and the second battery strings group is located in first straight line, and first
Battery strings group and the second battery strings group are located at the side of the first straight line；
A side of one conducting end of the third battery strings group and the first battery strings group is located in second straight line, and third
Battery strings group and the first battery strings group are located at the side of the second straight line.
3. photovoltaic module according to claim 2, which is characterized in that the battery unit further includes the 4th battery strings group,
The second battery strings group and the third battery strings group are adjacent with the four battery strings group position, and the third battery strings
Group is electrically connected with the 4th battery strings group；
One conducting end of a side of the third battery strings group and the 4th battery strings group is located on third straight line, and described
Third battery strings group and the 4th battery strings group are located at the side of the third straight line；
A side of one conducting end of the second battery strings group and the 4th battery strings group is located on the 4th straight line, and described
Second battery strings group and the 4th battery strings group are located at the side of the 4th straight line.
4. photovoltaic module according to claim 3, which is characterized in that the first battery strings group, the second battery strings group,
Three battery strings groups are identical with the shape of the 4th battery strings group.
5. photovoltaic module according to claim 1, which is characterized in that the battery unit includes the first battery strings group, the
Two battery strings groups and third battery strings group；The second battery strings group and the third battery strings group with first battery
String group is adjacent；A side of one conducting end of the first battery strings group and the second battery strings group is located in first straight line,
And first battery strings group and the second battery strings group be located at the side of the first straight line；The one of the third battery strings group leads
A side of electric end and the first battery strings group is located in second straight line, and third battery strings group and the first battery strings group
Positioned at the side of the second straight line, the side edge length of the first battery strings group is greater than the conducting end of the second battery strings group
Length.
6. photovoltaic module according to claim 1, which is characterized in that reversed between the conducting end of each battery strings group
A diode in parallel；Or
The battery strings group of at least adjacent two and the same diode reverse parallel connection.
7. photovoltaic module according to claim 1, which is characterized in that the photovoltaic module further includes being covered in the battery
The positive transparent cover plate of unit, the inner or outer side of the transparent cover plate correspond to the busbar of the connection battery strings group
Position be equipped with icon indicia.
8. photovoltaic module according to claim 1, which is characterized in that the photovoltaic module further includes being covered in the battery
The positive transparent cover plate of unit, the transparent cover plate correspond to the position for connecting the busbar of the battery strings group equipped with photophore
Part, the luminescent device are located at the inner or outer side of the transparent cover plate.
9. photovoltaic module according to claim 1, which is characterized in that the photovoltaic module further includes being covered in the battery
The positive transparent cover plate of unit, the transparent cover plate are equipped with covering layer, and the pattern of the covering layer is on the battery unit
Orthographic projection is matched with the busbar for connecting the battery strings group.
10. photovoltaic module according to claim 9, which is characterized in that the color of the covering layer be white, black or
Blue.
11. photovoltaic module according to claim 1, which is characterized in that adjacent two electricity of the same battery strings group
The overlapping setting of pond piece, and connected by conducting resinl or conducting wire.
12. photovoltaic module according to claim 6, which is characterized in that the photovoltaic module further includes terminal box, and described two
Pole pipe is located in the terminal box；Or
The diode package is in the battery unit.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213452.0A CN110034202B (en) | 2019-03-20 | 2019-03-20 | Photovoltaic module |
| PCT/CN2020/076929 WO2020186987A1 (en) | 2019-03-20 | 2020-02-27 | Photovoltaic assembly |
| US17/440,764 US20220131497A1 (en) | 2019-03-20 | 2020-02-27 | Photovoltaic module |
| EP20773410.4A EP3926694A4 (en) | 2019-03-20 | 2020-02-27 | Photovoltaic assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213452.0A CN110034202B (en) | 2019-03-20 | 2019-03-20 | Photovoltaic module |
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| CN110034202A true CN110034202A (en) | 2019-07-19 |
| CN110034202B CN110034202B (en) | 2024-01-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020186987A1 (en) * | 2019-03-20 | 2020-09-24 | 隆基绿能科技股份有限公司 | Photovoltaic assembly |
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Effective date of registration: 20231216 Address after: No. 8, Taikang Road, Hailing District, Taizhou, Jiangsu 225300 Applicant after: Taizhou Longji Photovoltaic Technology Co.,Ltd. Address before: 710199 no.388 Hangtian Middle Road, Chang'an District, Xi'an City, Shaanxi Province Applicant before: LONGI GREEN ENERGY TECHNOLOGY Co.,Ltd. |
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