CN108666373A - Photovoltaic module - Google Patents
Photovoltaic module Download PDFInfo
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- CN108666373A CN108666373A CN201810883413.7A CN201810883413A CN108666373A CN 108666373 A CN108666373 A CN 108666373A CN 201810883413 A CN201810883413 A CN 201810883413A CN 108666373 A CN108666373 A CN 108666373A
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- battery unit
- battery
- output end
- photovoltaic module
- cathode output
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- 230000007704 transition Effects 0.000 claims description 36
- 239000011521 glass Substances 0.000 claims description 33
- 230000005611 electricity Effects 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 5
- 238000000605 extraction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000010248 power generation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
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- 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
- H01L31/02—Details
- H01L31/02002—Arrangements for conducting electric current to or from the device in operations
- H01L31/02005—Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier
- H01L31/02008—Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier for solar cells or solar cell modules
- H01L31/02013—Arrangements for conducting electric current to or from the device in operations for device characterised by at least one potential jump barrier or surface barrier for solar cells or solar cell modules comprising output lead wires elements
-
- 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
- H01L31/043—Mechanically stacked PV cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Photovoltaic Devices (AREA)
Abstract
The present invention relates to a photovoltaic module having opposing first and second sides; the photovoltaic module comprises a positive output end and a negative output end, the positive output end is located on one side of the first side and the second side, and the negative output end is located on the other side of the first side and the second side. In the photovoltaic module, the positive output end and the negative output end are led out from the two opposite sides of the photovoltaic module, so that when a plurality of photovoltaic modules are assembled and connected subsequently, for two adjacent photovoltaic modules, the positive output end of one photovoltaic module is adjacent to the negative output end of the other photovoltaic module, wires are connected only in the area between the two adjacent photovoltaic modules, the wires do not need to pass through the area where the photovoltaic modules are located, the wiring distance is short, and wiring is convenient.
Description
Technical field
The present invention relates to field of photovoltaic power generation, more particularly to photovoltaic module.
Background technology
Photovoltaic generation is one kind that solar energy is directly translated into electric energy using the photovoltaic effect of interface
Generation technology.Photovoltaic generation has been subjected to the extensive concern of countries in the world at present, has been developed as a new industry.Photovoltaic
Component be will be to realize that photovoltaic generation minimum can not made of the connection of several monomer solar cell series and parallels and tight encapsulation
The photovoltaic cell of segmentation combines the unit.
In photovoltaic module, generally connect a number of welding of battery film to form battery strings.It, will when making battery strings
The front electrode of preceding a piece of battery, which is connected and heats with rear a piece of cell backside electrode, to be welded together, and so on, it will be a piece of
The welding of battery film of piece, which is together in series, forms battery strings, and common 10 or 12 are a string；Then the battery strings that will be welded
Typesetting, common type-setting mode are 6 string * 10 or 6 strings * 12, pass through the strings such as bypass diode in busbar and terminal box
Join multiple battery strings, and draw cathode output end 112 and cathode output end 132, then is final by a series of establishment of component techniques
Form photovoltaic module.But when subsequently connecting multiple traditional photovoltaic modulies, wiring is more inconvenient.
Invention content
Based on this, it is necessary to be directed to the problem of traditional multiple photovoltaic module wiring inconvenience, provide a kind of easy-to-connect
Photovoltaic module.
A kind of photovoltaic module has the first opposite side and the second side；
The photovoltaic module includes cathode output end and cathode output end, the cathode output end be located at first side and
Side in the second side, the cathode output end are located at the other side in first side and the second side.
In above-mentioned photovoltaic module, cathode output end and cathode output end is set to be drawn from the opposite sides of photovoltaic module, so
In the multiple photovoltaic modulies of follow-up assembly and connection, for two adjacent photovoltaic modulies, the cathode output end of one of which and with
The cathode output end of wherein another one is adjacent, need to need not only make in the region connecting wire between two neighboring photovoltaic module
The conducting wire of connection is by the region where photovoltaic module itself, and wiring distance is shorter, and wiring is more convenient.
The direction that the second side is directed toward in first side in one of the embodiments, is first direction；
The photovoltaic module includes：
Multiple battery strings, each battery strings include the multiple cell pieces arranged along the first direction, multiple described
Battery strings are along the second direction arrangement intersected with the first direction；
Wherein, the part in multiple battery strings, which is connected, forms the first battery unit, in multiple battery strings
Another part connects to form the second battery unit, first battery unit and second battery unit it is adjacent and connect, institute
First side for stating one in the first battery unit and second battery unit is arranged the cathode output end, and described first
Cathode output end is arranged in the second side of another one in battery unit and second battery unit.
First battery unit includes adjacent with second battery unit first matching in one of the embodiments,
Closing battery strings, second battery unit includes adjacent with first battery unit the second cooperation battery strings, and described first
The positive and negative anodes orientation of cell piece described in battery strings and the positive and negative anodes of cell piece described in the second cooperation battery strings is coordinated to arrange
Column direction is identical.
First battery unit further includes transition cathode output end in one of the embodiments, first cooperation
Draw the transition cathode output end in first side of battery strings；Second battery unit further includes the output of transition anode
The second side at end, the second cooperation battery strings draws the transition cathode output end, and the transition cathode output end
It is electrically connected to each other with the transition cathode output end.
First battery unit includes in this second direction apart from second electricity in one of the embodiments,
The first farthest output battery strings of pool unit, the cathode output end is drawn in first side of the first output battery strings；
Second battery unit includes farthest apart from first battery unit in this second direction the second output battery strings,
The second side of second output battery strings draws the cathode output end.
The quantity of multiple cell pieces is less than multiple electricity in each battery strings in one of the embodiments,
The quantity of pond string；
The photovoltaic module further includes bypass diode, the bypass diode and the battery series-parallel connection.
The photovoltaic module includes photovoltaic glass and backboard in one of the embodiments, first battery unit and
Second battery cell pack is between the photovoltaic glass and the backboard；Or
The photovoltaic module includes front photovoltaic glass and back side photovoltaic glass, first battery unit and described second
Battery cell pack is between the front photovoltaic glass and back side photovoltaic glass.
Further include two groups of terminal boxes on the backboard or the back side photovoltaic glass in one of the embodiments,
One of terminal box described in two groups is connect with first battery unit, the power for exporting first battery unit,
The other of terminal box described in two groups is connect with second battery unit, the work(for exporting second battery unit
Rate, and terminal box described in two groups is serially connected to merge the output work of first battery unit and second battery unit
Rate.
The terminal box includes positive terminal box and negative junction box in one of the embodiments,；Wiring described in two groups
A positive terminal box in box connect with the cathode output end and draws positive output lead, another in terminal box described in two groups
One positive terminal box connect with the transition cathode output end and draws transition positive wire；One in terminal box described in two groups is negative
Pole terminal box connect with the cathode output end and draws cathode output lead, another negative terminal in terminal box described in two groups
Box connect with the transition cathode output end and draws transition cathode conductor, and the transition positive wire and the transition cathode
Conducting wire is connected with each other.
The terminal box further includes halfway junction box in one of the embodiments, and the halfway junction box is located at described
Between positive terminal box and the negative junction box, and the positive terminal box, the negative junction box and the intermediate connection
The bypass diode, the bypass diode and the battery series-parallel connection are both provided in box.
Description of the drawings
Fig. 1 is the circuit diagram of photovoltaic module in one embodiment of the invention；
Fig. 2 is the front schematic view of photovoltaic module shown in Fig. 1；
Fig. 3 is the schematic rear view of photovoltaic module shown in Fig. 1.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.Keep the understanding to the disclosure more thorough on the contrary, purpose of providing these embodiments is
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the Listed Items of pass.
As shown in Figure 1, the photovoltaic module 100 in one embodiment of the invention, including multiple battery strings 10 being serially connected, and
Each battery strings 10 include multiple cell pieces 12 being serially connected, i.e., by 12 array of multiple cell pieces and connect, to receive illumination
And it generates electricity.
In some embodiments, there is photovoltaic module 100 the first opposite side 21 and the second side 23, photovoltaic module 100 to wrap
Cathode output end 112 and cathode output end 132 are included, cathode output end 112 is located at the side in the first side 21 and the second side 23, bears
Pole output end 132 is located at the other side in the first side 21 and the second side 23, make cathode output end 112 and cathode output end 132 from
The opposite sides of photovoltaic module is drawn.So in the multiple photovoltaic modulies 100 of follow-up assembly and connection, for two adjacent photovoltaics
Component 100, the cathode output end 112 of one of which and adjacent with the cathode output end 132 of wherein another one only need to be adjacent two
Region connecting wire between a photovoltaic module 100 need not make the conducting wire of connection by the area where photovoltaic module 100 itself
Domain, wiring distance is shorter, and wiring is more convenient.
In some embodiments, the direction that the second side 23 is directed toward in the first side 21 is first direction, and each battery strings 10 include
Multiple cell pieces 12 arranged in the first direction, multiple battery strings 10 are along the second direction arrangement intersected with first direction.In this way,
Multiple cell pieces 12 are subjected to array in the first direction and a second direction.Specifically, first direction mutually hangs down with second direction
Directly, it is equivalent to 12 rectangular array of multiple cell pieces, wherein multiple cell pieces 12 along first direction (for example, horizontal direction) are gone here and there
Connection is a battery strings 10, and (for example, vertical direction) is arranged and connected multiple battery strings 10 in a second direction.
As shown in Figs. 1-2, in some embodiments, the part in multiple battery strings 10 forms the first battery unit 11,
Another part in multiple battery components forms the second battery unit 13, and the first battery unit 11 and the second battery unit 13 are adjacent
And it connects.Although in this way, dividing multiple battery strings 10 for two parts, by the first battery unit 11 and the second battery list
Whole power output is not interfered with after 13 series connection of member.Also, one in the first battery unit 11 and the second battery unit 13
Cathode output end 112 is arranged in first side 21, and the second side 23 of another one is set in the first battery unit 11 and the second battery unit 13
Set cathode output end 132.Multiple battery strings 10 are divided into 11 and second battery unit of two adjacent first battery units
13, cathode output end 112 is drawn from the first side 21 of the first battery unit 11, is drawn from the second side 23 of the second battery unit 13
Cathode output end 132 so makes cathode output end 112 and cathode output end 132 be located at opposite two of photovoltaic module 100
Side easily can carry out wiring with other adjacent photovoltaic modulies 100.
Further, the first battery unit 11 includes adjacent with the second battery unit the first cooperation battery strings 116, and second
Battery beats the second cooperation battery strings 136 that unit 13 includes adjacent with the first battery unit, and first coordinates battery in battery strings 116
The positive and negative anodes orientation of piece 12 is identical as the positive and negative anodes orientation of cell piece 12 in the second cooperation battery strings 136, for example, the
One cooperation battery strings 116 are arranged in order anode and cathode along first direction, and similarly, the second cooperation battery strings 136 are along first party
To be arranged in order anode and cathode.Coordinate the homopolarity arrangement of battery strings 136 by the first cooperation battery strings 116 and second,
The cathode output end 132 of the cathode output end 112 and the second battery unit 13 that make the first battery unit 11 is located at different both sides.
In some embodiments, the first battery unit 11 further includes transition cathode output end 114, the first cooperation battery strings
Transition cathode output end 114 is drawn in 116 the first side 21, and the positive and negative anodes of two neighboring battery strings 10 are handed in the first battery unit 11
Mistake arrangement can have the transition cathode output end 114 with 112 the same side of cathode output end；Second battery unit 13 further includes
The second side 23 of transition cathode output end 134, the second cooperation battery strings 136 draws transition cathode output end 134, the second battery list
The positive and negative anodes of two neighboring battery strings 10 are staggered in member 13, can be with the transition with 132 the same side of cathode output end just
Pole output end 134, and transition cathode output end 134 is electrically connected with transition cathode output end 114, with the first battery unit of connecting
11 and second battery unit 13.
In some embodiments, the first battery unit 11 further include in a second direction the second battery unit of distance 13 it is farthest
First output battery strings 118, first output battery strings 118 the first side 21 draw cathode output end 112, by the first battery list
Cathode output end 112 is drawn after all battery strings 10 are connected in member 11；Second battery unit 13 further includes the first battery of distance
The second farthest output battery strings 138 of unit 11, the second side 23 of the second output battery strings 138 draw cathode output end 132, will
Cathode output end 132 is drawn after all battery strings 10 are connected in second battery unit 13, ensures the power generation work(of photovoltaic module 100
Rate.Also, cathode output end 112 and cathode output end 114 is made to be located at two diagonal angles of photovoltaic module 100, easy-to-connect.
For photovoltaic module 100, when a piece of cell piece of any of which 12 is blocked or damages, it may appear that hot spot effect.For
Reduction hot spot effect, photovoltaic module 100 further include bypass diode 30, and bypass diode 30 is in parallel with battery strings 10, works as electricity
When pond piece 12 breaks down, the battery strings 10 where being corresponded to the cell piece 12 by bypass diode 30 bypass, and make this
Battery strings 10 where cell piece 12 continue to generate electricity without power generation operation, while using other remaining battery strings 10.It avoids
The cell piece 12 of failure consumes the electricity that other cell pieces 12 generate, and prevents cell piece 12 from burning out.
In some embodiments, in each battery strings 10 multiple cell pieces 12 quantity be less than multiple battery strings 10 number
It measures, i.e., the negligible amounts of cell piece 12 in each battery strings 10 increase the string number of battery strings 10.For entire photovoltaic module 100,
The quantity of cell piece 12 is less than the quantity of cell piece 12 in a second direction, the short side position of photovoltaic module 100 in a first direction
In on first direction, the long side of photovoltaic module 100 is located in second direction.For 12 negligible amounts of cell piece battery strings 10 simultaneously
After joining bypass diode 30, if the failure of cell piece 12 bypasses the 12 place battery strings 10 of cell piece, bypass
The cell piece 12 fallen is less, while reducing hot spot effect, reduces internal loss, improves the power output of photovoltaic module 100.
In some embodiments, the quantity of multiple battery strings 10 is equal to 12 quantity of multiple cell pieces in each battery strings 10
Twice, and the quantity of battery strings 10 is equal to the quantity of battery strings 10 in the second battery unit 13 in the first battery unit.It is equivalent to,
12 quadrate array of multiple cell pieces in first battery unit, multiple cell pieces 12 in the second battery unit 13 are also square
Array, photovoltaic module 100 are the combination of two quadrate array cell pieces 12.Specifically, cell piece 12 in the first battery unit
According to 6 * 6 typesetting arrays of string, cell piece 12 is also according to the typesetting array for 6 strings * 6 in the second battery unit 13, entirely
Photovoltaic module 100 is 12 array of cell piece of 12 strings * 6.
Further, the quantity of battery strings 10 is even number in the first battery unit 11 and the second battery unit 13, for example,
It is 6 strings；There is bypass diode 30 in two adjacent 10 loong shunts of battery strings successively in a second direction, when a certain cell piece 12
When failure, 12 corresponding two battery strings 10 of the cell piece are bypassed by bypass diode 30, reduce hot spot effect.Specifically
Ground is bypassed in two adjacent 10 loong shunts of battery strings successively in a second direction in the photovoltaic module 100 of 12 * 6 typesettings of string
Diode 30 needs 6 bypass diodes 30 in total, when some cell piece 12 breaks down, can pass through bypass diode
Corresponding two battery strings 10 of 30 bypasses, that is, bypass 12 cell pieces 12.And in general photovoltaic module 100, for 72 electricity
Pond piece 12 carries out the typesetting of 6 strings * 12, and is needed in total in adjacent two strings, 10 loong shunt bypass diode 30 of battery strings successively
3 bypass diodes 30, when a certain cell piece 12 breaks down, corresponding two strings battery strings 10 are bypassed, the electricity bypassed out
The quantity of pond piece 12 is 24, is twice of 12 quantity of cell piece 12 bypassed in the present embodiment.So the present embodiment carries
The photovoltaic module 100 of confession, when in order to reduce hot spot effect and shunt battery piece 12, the quantity of the cell piece 12 shielded is more
Few, internal loss smaller, the cell piece 12 that residue can continue power generation is more, can export more power, improves entire
The performance of photovoltaic module 100.
In some embodiments, photovoltaic module 100 is single glass component, including photovoltaic glass and backboard, the first battery unit
11 and second battery unit 13 be packaged between photovoltaic glass and backboard, formed " glass/12/ package material of encapsulating material/cell piece
The interlayer structure of material/backboard ", while surrounding installs frame additional, and illumination is received by the one side equipped with photovoltaic glass.In other
In embodiment, photovoltaic module 100 is solar double-glass assemblies, including front photovoltaic glass and back side photovoltaic glass, the first battery unit 11
And second battery unit 13 be packaged between front photovoltaic glass and back side photovoltaic glass, formed " front photovoltaic glass/package material
The interlayer structure of material/12/ encapsulating material of cell piece/back side photovoltaic glass ", around withouyt frame, positive and negative two can be passed through
The photovoltaic glass in face receives illumination.
It is above-mentioned list glass component and solar double-glass assemblies in, photovoltaic glass be the dedicated tempered glass of photovoltaic or semi-tempered glass,
Encapsulating material is generally EVA or POE or PVB etc., and cell piece 12 is generally p-type/N-type crystal-silicon battery slice 12, and can be monocrystalline
Or polycrystalline, backboard are usually organic T films backboard, such as TPT or TPE or TBF, frame is generally aluminium material frame.
As Figure 2-3, in some embodiments, photovoltaic module 100 further includes on backboard or back side photovoltaic glass
Two groups of terminal boxes 50, so that two groups of terminal boxes 50 is located at the back side of photovoltaic module 100.Also, one of two groups of terminal boxes 50
It is connect with the first battery unit 11, for exporting the power of the first battery unit 11, the other of two groups of terminal boxes 50 and the
Two battery units 13 connect, the power for exporting the second battery unit 13, i.e., will be electric in photovoltaic module 100 by terminal box 50
The electricity that pond piece 12 generates is conveyed to the external world.Also, distinguished by two groups of terminal boxes 50 at two docking of photovoltaic module 100
Draw positive output lead and cathode output lead, the easy-to-connect when installing two neighboring photovoltaic module 100, especially in double glass
Be conducive to that wiring is installed when component is with Integration of building, improve component installation effectiveness.
Further, cable-through hole is offered on backboard or back side photovoltaic glass, is connected between terminal box 50 and battery strings 10
There is the electrical connector by cable-through hole, the electrical connector being connect with battery strings 10 is drawn by backboard, and and wiring by cable-through hole
Box 50 connects.Specifically, electrical connector is busbar, and cable-through hole is opened in the long edge position of photovoltaic module 100.
In some embodiments, terminal box 50 is Split type connecting box, including positive terminal box 52 and negative junction box 54,
Two groups of terminal boxes 50 include two positive terminal boxes 52 and two negative junction boxs 54.A positive terminal box in two groups of terminal boxes 50
52 connect with cathode output end 112 and draw positive output lead 51, another positive terminal box 52 and mistake in two groups of terminal boxes 50
It crosses the connection of cathode output end 134 and draws transition positive wire 57；A negative junction box 54 and cathode are defeated in two groups of terminal boxes 50
Outlet 132 connects and draws cathode output lead 55, and another negative junction box 54 is exported with transition cathode in two groups of terminal boxes 50
114 connection of end and transition cathode conductor 53 is drawn, transition positive wire 57 is connected with each other with transition cathode conductor 53, to connect two
Group terminal box 50, and output 11 He of the first battery unit is loaded to the external world by positive output lead 51 and cathode output lead 55
The electricity that second battery unit 13 generates.
Further, terminal box 50 further includes halfway junction box 56, and halfway junction box 56 is located at positive terminal box 52 and bears
Between pole terminal box 54, and bypass diode is both provided in positive terminal box 52, halfway junction box 56 and negative junction box 54
30, bypass diode 30 is in parallel with battery strings 10, in 10 loong shunt bypass diode 30 of battery strings, to be passed through by terminal box 50
Terminal box 50 installs bypass diode 30, prevents bypass diode 30 exposed and is damaged.Optionally, terminal box 50 is fission
Formula intelligent wiring box is, it can be achieved that the intelligent power generation monitoring of battery strings 10 and MPPT optimize tracking, promotion photovoltaic group valence generating efficiency.
Specifically, in the photovoltaic module 100 of 12 * 6 typesettings of string, first group of terminal box 50 corresponds to the first battery unit
11, and positioned at the first side 21 of photovoltaic module 100, bypass diode 30 is parallel to first group two by positive terminal box 52 therein
It goes here and there outside battery strings 10, bypass diode 30 is parallel to outside second group of two string battery strings 10 by halfway junction box 56, negative junction box
Bypass diode 30 is parallel to third group two by 54 goes here and there outside battery strings 10.Second group of terminal box 50 corresponds to the second battery unit 13,
And positive terminal box 52, halfway junction box 56 and cathode in the second side 23 of photovoltaic module 100, second group of terminal box 50
Bypass diode 30 is equally parallel to outside every two strings battery strings 10 by terminal box 54 respectively.In this way, every the two of photovoltaic module 100
String 10 loong shunt bypass diode 30 of battery strings to reduce hot spot effect, and passes through 50 shell of terminal box and protects bypass diode
30.Meanwhile when connecting terminal box 50, cable specification, length, connecting terminal mode etc. are designed according to actual demand.
In above-mentioned photovoltaic module 100, make the opposite sides of cathode output end 112 and cathode output end 132 from photovoltaic module
It draws, so in the multiple photovoltaic modulies 100 of follow-up assembly and connection, for two adjacent photovoltaic modulies 100, one of which
Cathode output end 112 and adjacent with the cathode output end 132 of wherein another one, only need to be between two neighboring photovoltaic module 100
Region connecting wire, the conducting wire of connection need not be made by the region where photovoltaic module 100 itself, wiring apart from shorter,
Wiring is more convenient.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, 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 this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of photovoltaic module (100), which is characterized in that have opposite the first side (21) and the second side (23)；
The photovoltaic module (100) includes cathode output end (112) and cathode output end (132), the cathode output end (112)
Side in first side (21) and the second side (23), the cathode output end (132) are located at first side
(21) and the other side in the second side (23).
2. photovoltaic module (100) according to claim 1, which is characterized in that first side (21) is directed toward described second
The direction of side (23) is first direction；
The photovoltaic module (100) includes：
Multiple battery strings (10), each battery strings (10) include the multiple cell pieces (12) arranged along the first direction,
Multiple battery strings (10) are along the second direction arrangement intersected with the first direction；
Wherein, the part series connection in multiple battery strings (10) forms the first battery unit (11), multiple battery strings
(10) another part in connects to form the second battery unit (13), first battery unit (11) and the second battery list
First (13) are adjacent and connect, first side of one in first battery unit (11) and second battery unit (13)
(21) cathode output end (112) is set, it is another in first battery unit (11) and second battery unit (13)
The second side (23) the setting cathode output end (132) of person.
3. photovoltaic module according to claim 2, which is characterized in that first battery unit (11) includes and described
The first adjacent cooperation battery strings (116) of two battery units (13), second battery unit (13) include and first electricity
The second adjacent cooperation battery strings (136) of pool unit (11), cell piece (12) described in the first cooperation battery strings (116)
Positive and negative anodes orientation is identical as the positive and negative anodes orientation of cell piece (12) described in the second cooperation battery strings (136).
4. photovoltaic module (100) according to claim 3, which is characterized in that first battery unit (11) further includes
First side (21) the extraction transition cathode of transition cathode output end (114), the first cooperation battery strings (116) is defeated
Outlet (114)；Second battery unit (13) further includes transition cathode output end (134), the second cooperation battery strings
(136) the second side (23) draws the transition cathode output end (134), and the transition cathode output end (134) with
The transition cathode output end (114) is electrically connected to each other.
5. photovoltaic module (100) according to claim 2, which is characterized in that first battery unit (11) is included in
The first farthest output battery strings (118) of second battery unit (13) described in distance in the second direction, first output
First side (21) of battery strings (118) draws the cathode output end (112)；Second battery unit (13) is included in
The second farthest output battery strings (138) of first battery unit (11) described in distance in the second direction, the second output battery
The second side (23) of string (138) draws the cathode output end (132).
6. photovoltaic module (100) according to claim 1 or 2, which is characterized in that multiple in each battery strings (10)
The quantity of the cell piece (12) is less than the quantity of multiple battery strings (10)；
The photovoltaic module (100) further includes bypass diode (30), the bypass diode (30) and the battery strings (10)
It is in parallel.
7. photovoltaic module (100) according to claim 1 or 2, which is characterized in that the photovoltaic module (100) includes light
Volt glass and backboard, first battery unit (11) and second battery unit (13) are packaged in the photovoltaic glass and institute
It states between backboard；Or
The photovoltaic module (100) includes front photovoltaic glass and back side photovoltaic glass, first battery unit (11) and institute
The second battery unit (13) is stated to be packaged between the front photovoltaic glass and back side photovoltaic glass.
8. photovoltaic module (100) according to claim 6, which is characterized in that further include being set to the backboard or the back of the body
Two groups of terminal boxes (50) on the photovoltaic glass of face, one of terminal box (50) described in two groups connect with first battery unit (11)
It connects, the power for exporting first battery unit (11), the other of terminal box (50) and described second described in two groups
Battery unit (13) connects, the power for exporting second battery unit (13), and terminal box (50) described in two groups is mutual
Series connection is to merge the output power of first battery unit (11) and second battery unit (13).
9. photovoltaic module (100) according to claim 8, which is characterized in that the terminal box (50) includes positive terminal
Box (52) and negative junction box (54)；In the terminal box (50) being connect with first battery unit (11), the positive terminal
Box (52) connect with the cathode output end (112) and draws positive output lead (51), negative junction box (54) and the mistake
It crosses cathode output end (114) connection and draws transition cathode conductor (53)；The wiring being connect with second battery unit (13)
In box (50), the positive terminal box (52) connect with the transition cathode output end (134) and draws the output of transition anode and leads
Line (57), the negative junction box (54) connect with the cathode output end (132) and draw cathode output lead (55), and institute
It states transition anode output lead (57) and the transition cathode conductor (53) is connected with each other.
10. photovoltaic module (100) according to claim 9, which is characterized in that the terminal box (50) is indirect in further including
Wire box (56), the halfway junction box (56) between the positive terminal box (52) and the negative junction box (54), and
The bypass two is both provided in the positive terminal box (52), the negative junction box (54) and the halfway junction box (56)
Pole pipe (30), the bypass diode (30) are in parallel with the battery strings (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810883413.7A CN108666373A (en) | 2018-08-06 | 2018-08-06 | Photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810883413.7A CN108666373A (en) | 2018-08-06 | 2018-08-06 | Photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108666373A true CN108666373A (en) | 2018-10-16 |
Family
ID=63789707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810883413.7A Pending CN108666373A (en) | 2018-08-06 | 2018-08-06 | Photovoltaic module |
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| Country | Link |
|---|---|
| CN (1) | CN108666373A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594701A (en) * | 2018-11-28 | 2019-04-09 | 中国科学院上海高等研究院 | Carry on the back purlin structure and generating electricity on two sides solar battery apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633187A (en) * | 2016-01-04 | 2016-06-01 | 河海大学常州校区 | High-generating performance photovoltaic module |
| CN208753331U (en) * | 2018-08-06 | 2019-04-16 | 珠海格力电器股份有限公司 | Photovoltaic module |
-
2018
- 2018-08-06 CN CN201810883413.7A patent/CN108666373A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633187A (en) * | 2016-01-04 | 2016-06-01 | 河海大学常州校区 | High-generating performance photovoltaic module |
| CN208753331U (en) * | 2018-08-06 | 2019-04-16 | 珠海格力电器股份有限公司 | Photovoltaic module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594701A (en) * | 2018-11-28 | 2019-04-09 | 中国科学院上海高等研究院 | Carry on the back purlin structure and generating electricity on two sides solar battery apparatus |
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