CN103165706B - Film solar battery module - Google Patents
Film solar battery module Download PDFInfo
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- CN103165706B CN103165706B CN201110406358.0A CN201110406358A CN103165706B CN 103165706 B CN103165706 B CN 103165706B CN 201110406358 A CN201110406358 A CN 201110406358A CN 103165706 B CN103165706 B CN 103165706B
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- film solar
- junction box
- solar battery
- box part
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
A kind of film solar battery module comprises: thin film solar cell plate, and it comprises a pair longitudinal busbar, and described a pair longitudinal busbar extends along the both sides lengthwise-extending edge of described solar panel; At least one supporting rail, for from back support solar panel; Terminal box, it comprises two junction box part be separated from each other; And one extends through these two junction box part and is connected to the connection line of described a pair longitudinal busbar; Wherein, described at least one, junction box part is integrated in supporting rail.This film solar battery module can simplified structure and assembling process, and improves its intensity and sealing.
Description
Technical field
The application relates to a kind of film solar battery module, and it has the terminal box configuration mode of improvement.
Background technology
Solar cell obtains fast development in recent years, and various solar cell all has made great progress in technology and business two.Thin-film solar cells is considered to a kind of innovative technology, due to few by silicon amount, cost is low, the high reason of transform light energy rate becomes the new trend of area of solar cell development and new focus.Thin film solar cell sheet comprises amorphous silicon membrane and compound semiconductor thin film solar cell sheet, and thickness is generally several microns even less, and is flexible.
A kind of common film solar battery module is shown, its terminal box 10 mainly comprising cell panel 1 and export for the electric energy that produced by cell panel in Fig. 1.Cell panel 1 mainly comprises along the direction from front side to dorsal part: battery cladding plate, be attached to battery cladding plate back surface battery lamella, be positioned at the longitudinal both sides of back surface of battery lamella longitudinal busbar 2 and respectively connected the encapsulated layer of the horizontal busbar 4 of these two longitudinal busbars, clad battery lamella dorsal part and busbar and cover the backboard of encapsulated layer dorsal part.
Terminal box 10 is adhered to the dorsal part of the backboard of cell panel 1.Terminal box 10 has anode and cathode terminals, is provided with conducting wire between anode and cathode terminals, is provided with a bypass diode 12, with the situation preventing solar module from occurring open circuit or inverse current impulse in this conducting wire in the mode of series connection.The output cable 14 of film solar battery module is connected to anode and cathode terminals.Two horizontal busbars 4 are connected to the two ends of this diode respectively.
In the assembling process of this film solar battery module, need at relevant position cutting backboard to form an otch, then described two horizontal busbars 4 are drawn from cell panel 1 through the otch in backboard and are connected to terminal box 10.Described otch is covered by terminal box 10 usually.
Next, usually at the bonding supporting rail in the back side of backboard, such as, two longitudinal bracing rails 20 shown in Fig. 1, in order to be fixed on this film solar battery module on bearing structure.
In this conventional films solar module, need the otch offering the horizontal busbar extraction of a confession two on the backboard of cell panel, otch has the enough large size needed for two horizontal busbars extractions, and therefore such otch is usually comparatively large, and this can have a strong impact on the intensity of backboard.
In addition, because thin-film solar cells is very responsive to steam, backboard is offered incision and is easily diffused into steam, thus reduces the reliability of whole battery module, affects the useful life of battery module.For this reason, need to utilize fluid sealant cut sealing to be lived at horizontal busbar through after described otch.Because this incision size is comparatively large, therefore the consumption of fluid sealant is also comparatively large, and long term seal ability is difficult to ensure.
In addition, because terminal box and supporting rail will bond on cell panel respectively, therefore the assembly operation of film solar battery module comparatively bothers.
Therefore, it is desirable to improve film solar battery module, to solve the above-mentioned problems in the prior art.
Summary of the invention
The application aims to provide a kind of film solar battery module of improvement, to solve at least one in the problem such as film solar battery module complex structure, assembling trouble, intensity reduction that causes because of the arrangement of terminal box in prior art.
According to an aspect of the application, provide a kind of film solar battery module, it comprises:
Thin film solar cell plate, it comprises a pair longitudinal busbar, and described a pair longitudinal busbar extends along the both sides lengthwise-extending edge of described solar panel; At least one supporting rail, for from back support solar panel; Terminal box, it comprises two junction box part be separated from each other; And one extends through these two junction box part and is connected to the connection line of described a pair longitudinal busbar; Wherein, described at least one, junction box part is integrated in supporting rail.
According to the preferred implementation of the application, at least one supporting rail described is two supporting rails along the longitudinal extension of solar panel, and each in described two junction box part to be integrated in these two supporting rails in corresponding one respectively.
According to the preferred implementation of the application, described solar panel comprises backboard, and at least one end in two opposite ends of described connection line is connected to corresponding longitudinal busbar through the through hole offered in described backboard.Or at least one end in two opposite ends of described connection line is connected to corresponding longitudinal busbar through the adjacent vertical or horizontal extending edge of described solar panel.
According to the preferred implementation of the application, transversely the longitudinal busbar of direction at least in part with corresponding is overlapping for each supporting rail.
According to the preferred implementation of the application, each junction box part is arranged on the longitudinal end place of respective support rail.
According to the preferred implementation of the application, each junction box part and respective support rail form one; Or each junction box part and respective support rail separate and are formed and be assembled on respective support rail.
According to the preferred implementation of the application, described supporting rail is segmented.
According to the another aspect of the application, provide a kind of film solar battery module, it comprises: thin film solar cell plate, and it comprises a pair longitudinal busbar, and described a pair longitudinal busbar extends along the both sides lengthwise-extending edge of described solar panel; Terminal box, it comprises two junction box part be separated from each other; And one extends through these two junction box part and is connected to the connection line of described a pair longitudinal busbar; Wherein, at least one in described two junction box part arranges one of described solar panel vertical or horizontal extending edge place, and the connection line part being connected at least one junction box part described being positioned at solar cell panel edges to be set up with corresponding longitudinal busbar by the conductive part through described edge and is electrically connected.
According to the preferred implementation of the application, described film solar battery module also comprises the frame around described thin film solar cell plate, and described conductive part is also through the frame portion of described edge.
According to the preferred implementation of the application, described conductive part is made up of a part for described connection line, or be made up of the prolongation of corresponding longitudinal busbar, described prolongation stretches out through the described transversely-extending edges of described solar panel.
According to the preferred implementation of the application, also comprise at least one supporting rail, for from back support solar panel.
According to the preferred implementation of the application, at least one supporting rail described is two supporting rails along the longitudinal extension of solar panel.
According to the preferred implementation of the application, described two supporting rails are positioned at the position that laterally inwardly offsets from described a pair longitudinal busbar.
According to the preferred implementation of the application, at least one junction box part described being positioned at solar cell panel edges is supported by corresponding supporting rail.
In the various execution modes of above-described film solar battery module, described connection line comprises the bypass diode at least one being arranged in described junction box part.In addition, described connection line is included in the outside aerial lug be connected between described two junction box part of solar panel.The two ends of described aerial lug can with the joint for being plugged into corresponding junction box part.
According to the application, the horizontal busbar traversing the extension of cell panel width in prior art is cancelled, and the processing of the busbar therefore in cell panel is simplified.
In addition, for the size of the through hole that realization realizes being electrically connected with longitudinal busbar of cell panel and offer on backboard can reduce, this through hole is even fully phased out.Like this, can reduce or avoid the backboard intensity that causes because of the through hole that backboard is offered impaired completely, and realizing the sealing of cell panel more reliably, thus the useful life of film solar battery module can be extended.
In addition, for execution mode junction box part is integrated in supporting rail of the application, only need supporting rail is bonding or be otherwise fixed on cell panel, just can realize terminal box fixing on cell panel, therefore the assembling of this film solar battery module more simultaneously.
Accompanying drawing explanation
The preferred implementation of the application is described below with reference to accompanying drawings, in the accompanying drawings:
Fig. 1 is a kind of schematic rear view of the film solar battery module according to prior art.
Fig. 2-6 is schematic rear views of the film solar battery module according to the various preferred implementation of the application.
Fig. 7 is the schematic diagram of the film solar battery module mounting means according to the application's preferred implementation.
Embodiment
The various preferred implementations of the application are described with reference to the accompanying drawings.
As shown in Figure 2, according to a preferred implementation of the application, a kind of film solar battery module mainly comprises: cell panel 1, and attaching (such as bonding) is in the supporting rail 20 of cell panel dorsal part and terminal box.
In addition, film solar battery module can also comprise frame, that surrounds the periphery of cell panel 1, to protect cell panel.
In the illustrated embodiment, cell panel 1 in the form of a substantially rectangular, thus limits the longitudinal direction (being parallel to the direction on the long limit of rectangular panel) of cell panel and horizontal (being parallel to the direction of the minor face of rectangular panel).In addition, under real use state, described cell panel 1 has in the face of the front side of sunlight and the dorsal part back to sunlight.The backside configuration of cell panel 1 is schematically illustrated in Fig. 2.
For example, cell panel 1 according to the film solar battery module of the application mainly comprises along the direction from front side to dorsal part: battery cladding plate is (such as by glass, the formations such as polymer), be attached to the battery lamella (amorphous silicon type of battery cladding plate dorsal part, microcrystalline, dye-sensitized dye-type, organic type, copper indium diselenide type, Copper Indium Gallium Selenide type, telluride is every film etc.), be positioned at longitudinal busbar 2 of the longitudinal both sides of back surface of battery lamella, the dorsal part encapsulated layer of clad battery lamella dorsal part and busbar, cover the backboard of dorsal part encapsulated layer dorsal part (such as by glass, polymer, the formations such as metal).
As the material of described cladding plate, be necessary for light transmissive material, can adopt, but be not limited to: glass; Polymer, such as Merlon, acrylate, polyacrylate, cyclic polyolefin, ethylene-norbornene copolymer, polystyrene, polyamide, polyester, fluoropolymer, or their combination.
As the material of described backboard, can adopt, but be not limited to: glass; Polymer, such as Merlon, acrylate, polyacrylate, cyclic polyolefin, ethylene-norbornene copolymer, polystyrene, polyamide, polyester, fluoropolymer, or their combination; Metal, such as aluminium, steel, galvanized steel; Or pottery.
Supporting rail 20 can be made up of the plastics being suitable for or metal material.Such as, supporting rail can be plastics or metal extrusion, metallic plate punching molded part etc.Supporting rail is provided with suitable mounting structure, such as installing hole, buckle structure etc., for supporting rail is fixed to bearing structure.
Be appreciated that quantity and the distribution of supporting rail are not limited to shown in figure.Such as, for large-scale film solar battery module, can the longitudinal supporting rail of attaching more (such as four).In addition, adding or substituting as two longitudinal bracing rails shown in figure, can adopt horizontal supporting rail.
Battery lamella in cell panel 1 is made up of the multiple cell pieces extended longitudinally, laterally connect.The electric current that these cell pieces produce then is pooled to terminal box by the longitudinal busbar 2 extended longitudinally along the edge, the left and right sides (lengthwise-extending edge) of cell panel respectively.
Execution mode according to Fig. 2, two continuous print supporting rails 20 are attached to cell panel dorsal part near the edge, the left and right sides (namely in the position roughly corresponding to longitudinal busbar 2) of cell panel, and terminal box is formed by two junction box part 10-1 and 10-2 be combined in two supporting rails 20.
In each junction box part 10-1 and 10-2, be provided with corresponding conducting wire, be electrically connected for busbar 2 longitudinal with two respectively.For this reason, on the position corresponding with each junction box part, preferably on the position covered by each junction box part, in the backboard of cell panel 1, offer little through hole (not shown).The lead-in wire (not shown) that busbar 2 longitudinal with two is connected respectively extends to backboard dorsal part through the respective through hole in dorsal part encapsulated layer and backboard, and enters in corresponding junction box part.Described lead-in wire can be connected to the conducting wire in corresponding junction box part, or, conducting wire can be formed at least partially by described lead-in wire.
One in two junction box part, in the conducting wire in such as, left side junction box part 10-1 shown in figure, bypass diode 12 is housed, in order to the situation preventing solar module from occurring open circuit or inverse current impulse.
The conducting wire of two junction box part 10-1 and 10-2 is together in series by aerial lug 6, is electrically connected on the two ends of bypass diode 12 respectively to make two longitudinal busbars 2.Described aerial lug, conducting wire and lead-in wire form the connection line between two longitudinal busbars 2.
It may be noted that about aerial lug 6, here so-called " outside ", refer to that, for the horizontal busbar being arranged on cell panel inside in prior art, the line be connected between two junction box part used in each execution mode of the application is positioned at cell panel outside.The application does not get rid of the situation that aerial lug 6 is closed by the other parts (such as frame) of film solar battery module or covered.
Both positive and negative polarity exports the anode and cathode terminals that cable 14 respectively connected terminal box.Described anode and cathode terminals is also connected to the two ends of bypass diode 12.
In the example shown in Fig. 2, be arranged on by the positive terminal of terminal box on the junction box part 10-1 of left side, be arranged on by the negative terminal of terminal box on the junction box part 10-2 of right side, namely negative terminal is connected with conducting wire in the junction box part 10-2 of right side.Like this, both positive and negative polarity output cable 14 is drawn from left side junction box part 10-1 and right side junction box part 10-2 respectively.
As an alternative, the anode and cathode terminals of terminal box can all be positioned on the junction box part 10-1 of left side.Like this, two output cables 14 are all drawn by left side junction box part 10-1.
Or left side junction box part 10-1 and right side junction box part 10-2 can arrange negative terminal, and like this, negative pole exports cable and can be selectively connected thereto on left side one of junction box part 10-1 and right side junction box part 10-2.
According to the execution mode shown in Fig. 2, two junction box part are combined on left and right sides supporting rail 20.When two supporting rails are bonded on cell panel 1, also terminal box is bonded on cell panel 1 simultaneously.Like this, need not bond on cell panel by terminal box and supporting rail respectively as prior art, therefore the assembly operation of film solar battery module be simplified.
In addition, owing to offering two little through holes in the backboard of cell panel respectively, the cross-sectional area sum of these two through holes is still less than the shared large otch of of offering in prior art.Therefore, the backboard loss of strength that these two through holes cause is less than prior art.
According to the application, both positive and negative polarity exports cable 14 can be connected to a junction box part, also can be connected respectively to two junction box part.Like this, both positive and negative polarity can be selected to export the mode of connection of cable according to connected mode between the arrangement of film solar battery module and other film solar battery module etc., thus improve the flexibility of the film solar battery module mode of connection.
According to the preferred implementation of the application, each junction box part can form with corresponding supporting rail.Such as, junction box part and supporting rail can be formed by injection-moulding plastic etc. simultaneously.In this case, the material of junction box part can be identical or different with supporting rail.
Or each junction box part can separate with supporting rail and formed, and is assembled into together.Such as, supporting rail is metal extrusion profile, and terminal box is working of plastics, terminal box by bonding, chimeric, be combined in supporting rail by means of securing member etc., or when injection moulding junction box part, its straight forming to be fixed on supporting rail.
The material of terminal box is preferably the plastics of insulation, such as, be selected from least one below in a group: polyester (as PETG, polybutylene terephthalate or PTT), polycaprolactam, polyamide (as polyamide 66, polyamide 46 or Nomex), Merlon, acrylonitrile/butadiene/styrene copolymer, polyurethane, polyphenylene oxide, polymeric liquid crystal copolymer, Polyetherimide, polyvinyl chloride, or its blend etc.
The material of supporting rail is preferably aluminium, aluminium alloy, stainless steel, plastics etc.For the supporting rail of shape form, aluminum or aluminum alloy can be adopted to be made by extrusion molding, or adopt other sheet metal to be made by the mode such as punching press, rolling.Certainly, the supporting rail of other form also can adopt.
Because terminal box and supporting rail are combined, therefore the bonding strength of terminal box originally on cell panel also improves, even Long-Time Service, is also not easy to depart from from cell panel.
In the exemplary embodiment illustrated in fig. 2, each junction box part is combined in a corresponding supporting rail.But, according to the general principle of the application, can only there is a junction box part to be integrated in corresponding supporting rail.
In the exemplary embodiment illustrated in fig. 2, each supporting rail is located at position partly overlapping with corresponding longitudinal busbar in a lateral direction.But supporting rail also can be completely overlapping with corresponding longitudinal busbar in a lateral direction, or completely not overlapping with busbar.
According to an execution mode of the application, supporting rail is made up of a part for the frame of cell panel.Like this, by frame being assembled on cell panel edge, also just supporting rail and terminal box being fixed on cell panel simultaneously, thus having further simplify structure and the assembling process of film solar battery module.
In the exemplary embodiment illustrated in fig. 2, each junction box part lays respectively at the roughly longitudinally central authorities of respective support rail.But, junction box part can be combined in any position of supporting rail.Such as, consider the convenience of wiring, junction box part can near or be positioned at longitudinal one end (especially lower end) of supporting rail.
Two junction box part positions are in the vertical preferably substantially the same.Certainly, the application does not get rid of the different situation in two junction box part positions in the vertical.
Such as, in another execution mode of film solar battery module of the application shown in Fig. 3, each junction box part 10-1 and 10-2 forming terminal box is combined in or forms longitudinal one end (especially lower end) of respective support rail 20.Compare with the execution mode in Fig. 2, this execution mode in Fig. 3 can shorten both positive and negative polarity and export the length of cable 14, and is convenient to both positive and negative polarity and exports cable 14 and aerial lug 6 to the patching operations on junction box part.
Similar shown in the other side of the execution mode of film solar battery module shown in Fig. 3 and Fig. 2, is not described in detail here.
Other execution mode of the film solar battery module of the application is shown in Fig. 4-6.Do not show both positive and negative polarity output cable to simplify in these figure, but be appreciated that both positive and negative polarity exports cable and can be connected to one or two junction box part for Fig. 2,3 modes described above.
Shown in the execution mode of film solar battery module of Fig. 4 display and Fig. 2,3, the maximum difference of execution mode is, each supporting rail 20 is segmented.In the example in the figures, each supporting rail 20 comprises two sections that longitudinally align, and the outer lateral boundaries edge of every section of supporting rail is concordant with the edge, the left and right sides of cell panel 1 respectively, thus transversely completely overlapping with corresponding longitudinal busbar.
But be appreciated that the support requirement according to cell panel, supporting rail can be included in optional position, any multistage along various directional spreding.
For this segmented supporting rail, each junction box part is arranged in corresponding one section of supporting rail.
Adopt the benefit of segmented supporting rail to be, the position that can support at the needs of cell panel arranges arbitrarily supporting rail section, and same Fig. 2 of total length of whole supporting rail section, 3 illustrated embodiment are compared and even may be shortened.Therefore, the execution mode in Fig. 4 can improve the support strength of supporting rail to cell panel, and reduces the material usage of supporting rail.
In addition, for Fig. 4 illustrated embodiment, there is such possibility, namely do not need to punch to the backboard of cell panel.Specifically, the lead-in wire be connected with two longitudinal busbars 2 can be drawn by the edge, the left and right sides of cell panel 1 (the dorsal part encapsulated layer such as passing cell panel), and the conducting wire be connected in corresponding junction box part 10-1 and 10-2 or form this conducting wire at least partially.In this case, owing to not needing to punch on backboard, therefore, the intensity of backboard can not reduce, and does not need to carry out the seal operation relevant to through hole.The lead-in wire be connected with two longitudinal busbars 2 can be sealed relative to cell panel by the dorsal part encapsulated layer of cell panel itself.Therefore, Fig. 4 illustrated embodiment can simplify structure and the assembly operation of film solar battery module further.
Similar shown in the other side of the execution mode of film solar battery module shown in Fig. 4 and Fig. 2,3, is not described in detail here.
Fig. 5 shows another execution mode of the film solar battery module of the application, and this film solar battery module mainly comprises: cell panel 1, and attaching (such as bonding) is in the supporting rail 20 of cell panel dorsal part and terminal box.
Terminal box is made up of junction box part 10-1 and 10-2.These two junction box part are arranged at transversely-extending edges (especially lower limb) place of cell panel 1, and are positioned at the position roughly corresponding with the longitudinal end of two of cell panel 1 longitudinal busbars 2.The conducting wire of two junction box part 10-1 and 10-2 is together in series by aerial lug 6.
In addition, the supporting rail 20 of segmented is arranged on by the position at corresponding longitudinal busbar 2 laterally inwardly interval.Execution mode in same Fig. 2-4 is compared, because the supporting rail 20 in this example is towards the horizontal offset inboard of cell panel 1, and need not be close or overlapping with longitudinal busbar 2 at least in part, therefore can improve the supporting role of supporting rail to cell panel 1, and improve the distribution flexibility of supporting rail.
Two junction box part shown in Fig. 5 are positioned at the outside of the lower limb of cell panel 1 all at least in part, and such as, two junction box part are attached on the lower limb of cell panel 1.As the optional execution mode of one, two junction box part can attaching on the frame of the lower edge of cell panel 1.
Or two junction box part can be positioned at the inner side of the lower limb of cell panel 1, such as, be attached to completely on the backboard back side of cell panel.
In order to realize the electrical connection between two longitudinal busbars 2 and two junction box part 10-1 and 10-2, the lead-in wire be connected with two longitudinal busbars 2 can be drawn by the lower limb of cell panel 1 (the dorsal part encapsulated layer such as passing cell panel), and the conducting wire be connected in corresponding junction box part 10-1 and 10-2 or form this conducting wire at least partially.Described lead-in wire can be sealed relative to cell panel by the dorsal part encapsulated layer of cell panel.
Or, longitudinal lower end of two longitudinal busbars 2 can be made to extend to outside the lower limb of cell panel 1, thus forming the prolongation of longitudinal busbar, described prolongation is directly connected to the conducting wire in corresponding junction box part or forms this conducting wire at least partially.The prolongation of longitudinal busbar 2 can be sealed relative to cell panel by the dorsal part encapsulated layer of cell panel.
Therefore, divide through the lead-in wire of cell panel lower limb or longitudinal bus bar extensions and constitute at longitudinal busbar and the conductive part realizing junction box part being electrically connected.
In both cases, do not need to punch on backboard, therefore, the intensity of backboard can not reduce, and does not need to carry out the seal operation relevant to through hole.Like this, same to Fig. 2,3 illustrated embodiment are compared, and Fig. 5 illustrated embodiment can simplify structure and the assembly operation of film solar battery module further.
In the embodiment illustrated in figure 5, two junction box part are arranged at a transversely-extending edges place of cell panel.But, according to the general principle of the application, can only there is a junction box part to be arranged at a transversely-extending edges place of cell panel.
Be appreciated that in the embodiment illustrated in figure 5, also can adopt continuous print supporting rail, but not segmented.
Similar shown in the other side of the execution mode of film solar battery module shown in Fig. 5 and Fig. 2-4, is not described in detail here.
Fig. 6 shows another execution mode of the film solar battery module of the application, shown in the execution mode of film solar battery module of Fig. 6 display and Fig. 5, the maximum difference of execution mode is, the lower limb of supporting rail 20 or lower support rail section extends to the lower limb of cell panel 1, and each junction box part 10-1 and 10-2 transversely inwardly extends and supported by the lower limb of supporting rail 20 or lower support rail section.Like this, compare with Fig. 5 illustrated embodiment, each junction box part obtains the extra support of supporting rail, thus is conducive to improving the bonding strength of terminal box on cell panel.
Similar shown in the other side of the execution mode of film solar battery module shown in Fig. 6 and Fig. 5, is not described in detail here.
The exemplary mounting means of one of the film solar battery module of the application is shown in Fig. 7.The cell panel 1 of the film solar battery module of the application can be installed on bearing structure by the supporting rail 20 of its dorsal part.A kind of bearing structure shown in Fig. 7 comprises the vertical column 26 be fixed on stayed surface (such as ground, building roof etc.), the longitudinal beam 24 by vertical upright supports, the transverse beam 22 that supported by longitudinal beam.The supporting rail 20 of cell panel 1 dorsal part is supported by transverse beam.Multiple film solar battery module transversely and/or longitudinally can be adjacent to distribution.
Be appreciated that the vertical column of bearing structure, longitudinal beam, the quantity of transverse beam, distribution, compound mode can design according to concrete installation requirement.
Or the bearing structure different from form in Fig. 7 can adopt.Such as, vertical column can cancelled in some cases, be laid immediately on its stayed surface to make film solar battery module.In the case, further, even may also cancel longitudinal beam and transverse beam, namely utilize supporting rail 20 to be directly directly fixed on its stayed surface by film solar battery module.
Can see, disclosed the various execution modes of the film solar battery module of the application.In the execution mode that these are exemplarily shown, the horizontal busbar traversing the extension of cell panel width in prior art is replaced by aerial lug 6, and the processing of the busbar therefore in cell panel is simplified.Meanwhile, aerial lug 6 can adopt the form of common cable, and its cost will lower than horizontal busbar.
According to the application, aerial lug 6 can at its two ends with joint, so that it is connected to two junction box part in the mode of simple grafting.This facilitate that the operations such as detection, maintenance.
Although it may be noted that and be described with reference to the cell panel of rectangle here, the basic thought of the application is equally applicable to the thin-film solar cell panel of other shape.No matter the shape of cell panel, according to the basic thought of the application, aerial lug can be utilized to replace horizontal busbar, thus simplify structure and the assembly operation of film solar battery module.
Further, by the particular arrangement mode of two-part terminal box, for the size of the through hole that realization realizes being electrically connected with longitudinal busbar of cell panel and offer on backboard can reduce, even fully phase out this through hole.Like this, can reduce or avoid the backboard intensity that causes because of the through hole that backboard is offered impaired completely, and realizing the sealing of cell panel more reliably, thus the Long Service Life of film solar battery module can be improved.
Also it may be noted that the basic thought of the application is applicable to be with the film solar battery module of frame and boundless frame-type film solar battery module.
Although show for preferred implementation above and describe the application, it will be understood by those skilled in the art that under the prerequisite not departing from the application's scope limited in claims, can make a variety of changes and revise.
Claims (19)
1. a film solar battery module, comprising:
Thin film solar cell plate, it comprises a pair longitudinal busbar, and described a pair longitudinal busbar extends along the both sides lengthwise-extending edge of described solar panel;
At least one supporting rail, for from back support solar panel;
Terminal box, it comprises two junction box part be separated from each other; And
Article one, extend through these two junction box part and be connected to the external connection line road of described a pair longitudinal busbar;
Wherein, described at least one, junction box part is integrated in supporting rail.
2. film solar battery module as claimed in claim 1, wherein, at least one supporting rail described is two supporting rails along the longitudinal extension of solar panel, and each in described two junction box part to be integrated in these two supporting rails in corresponding one respectively.
3. film solar battery module as claimed in claim 1 or 2, wherein, described solar panel comprises backboard, and at least one end in two opposite ends on described external connection line road is connected to corresponding longitudinal busbar through the through hole offered in described backboard.
4. film solar battery module as claimed in claim 1 or 2, wherein, at least one end in two opposite ends on described external connection line road is connected to corresponding longitudinal busbar through the adjacent vertical or horizontal extending edge of described solar panel.
5. film solar battery module as claimed in claim 2, wherein, transversely the longitudinal busbar of direction at least in part with corresponding is overlapping for each supporting rail.
6. film solar battery module as claimed in claim 5, wherein, each junction box part is arranged on the longitudinal end place of respective support rail.
7. film solar battery module as claimed in claim 6, wherein, each junction box part and respective support rail form one.
8. film solar battery module as claimed in claim 1 or 2, wherein, described supporting rail is segmented.
9. film solar battery module as claimed in claim 1 or 2, wherein, described external connection line road comprises the bypass diode at least one being arranged in described junction box part.
10. film solar battery module as claimed in claim 1, wherein, the two ends on described external connection line road are with the joint for being plugged into corresponding junction box part.
11. 1 kinds of film solar battery modules, comprising:
Thin film solar cell plate, it comprises a pair longitudinal busbar, and described a pair longitudinal busbar extends along the both sides lengthwise-extending edge of described solar panel;
Terminal box, it comprises two junction box part be separated from each other; And
Article one, extend through these two junction box part and be connected to the external connection line road of described a pair longitudinal busbar;
Wherein, at least one in described two junction box part arranges one of described solar panel vertical or horizontal extending edge place, and the external connection line road part being connected to the described junction box part being positioned at solar cell panel edges to be set up with corresponding longitudinal busbar by the conductive part through described edge and is electrically connected.
12. film solar battery modules as claimed in claim 11, wherein, also comprise the frame around described thin film solar cell plate, and described conductive part is also through the frame portion of described edge.
13. film solar battery modules as claimed in claim 11, wherein, described conductive part is made up of the part on described external connection line road, or be made up of the prolongation of corresponding longitudinal busbar, described prolongation stretches out through the described transversely-extending edges of described solar panel.
14. film solar battery modules according to any one of claim 11-13, wherein, also comprise at least one supporting rail, for from back support solar panel.
15. film solar battery modules as claimed in claim 14, wherein, at least one supporting rail described is two supporting rails along the longitudinal extension of solar panel.
16. film solar battery modules as claimed in claim 15, wherein, described two supporting rails along the longitudinal extension of solar panel are positioned at the position that laterally inwardly offsets from described a pair longitudinal busbar.
17. film solar battery modules as claimed in claim 16, wherein, the described junction box part being positioned at solar cell panel edges is supported by corresponding supporting rail.
18. film solar battery modules according to any one of claim 11-13, wherein, described external connection line road comprises the bypass diode at least one being arranged in described junction box part.
19. film solar battery modules according to any one of claim 11-13, wherein, the two ends on described external connection line road are with the joint for being plugged into corresponding junction box part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110406358.0A CN103165706B (en) | 2011-12-08 | 2011-12-08 | Film solar battery module |
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| CN201110406358.0A CN103165706B (en) | 2011-12-08 | 2011-12-08 | Film solar battery module |
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| CN103165706A CN103165706A (en) | 2013-06-19 |
| CN103165706B true CN103165706B (en) | 2015-10-21 |
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|---|---|---|---|---|
| CN1173576A (en) * | 1996-08-08 | 1998-02-18 | 佳能株式会社 | Solar battery module and roofing material incorporating it |
| CN1186894A (en) * | 1996-09-06 | 1998-07-08 | 佳能株式会社 | Combination of solar battery and roof member, and mounting method thereof |
| CN1933186A (en) * | 2005-09-13 | 2007-03-21 | 三洋电机株式会社 | Photovoltaic module |
| CN201623572U (en) * | 2010-02-01 | 2010-11-03 | 中山大洋电机制造有限公司 | Installation structure for junction box of motor |
| CN102084497A (en) * | 2008-03-11 | 2011-06-01 | 法国圣戈班玻璃厂 | Solar cell module |
| CN102237413A (en) * | 2010-04-26 | 2011-11-09 | 杜邦公司 | Frame component of solar battery, solar battery module, solar battery system and installation method of solar battery system |
| CN202405279U (en) * | 2011-12-08 | 2012-08-29 | 杜邦公司 | Thin-film solar cell module |
-
2011
- 2011-12-08 CN CN201110406358.0A patent/CN103165706B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1173576A (en) * | 1996-08-08 | 1998-02-18 | 佳能株式会社 | Solar battery module and roofing material incorporating it |
| CN1186894A (en) * | 1996-09-06 | 1998-07-08 | 佳能株式会社 | Combination of solar battery and roof member, and mounting method thereof |
| CN1933186A (en) * | 2005-09-13 | 2007-03-21 | 三洋电机株式会社 | Photovoltaic module |
| CN102084497A (en) * | 2008-03-11 | 2011-06-01 | 法国圣戈班玻璃厂 | Solar cell module |
| CN201623572U (en) * | 2010-02-01 | 2010-11-03 | 中山大洋电机制造有限公司 | Installation structure for junction box of motor |
| CN102237413A (en) * | 2010-04-26 | 2011-11-09 | 杜邦公司 | Frame component of solar battery, solar battery module, solar battery system and installation method of solar battery system |
| CN202405279U (en) * | 2011-12-08 | 2012-08-29 | 杜邦公司 | Thin-film solar cell module |
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| CN103165706A (en) | 2013-06-19 |
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