CN103165705B - Solar module - Google Patents
Solar module Download PDFInfo
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- CN103165705B CN103165705B CN201110405036.4A CN201110405036A CN103165705B CN 103165705 B CN103165705 B CN 103165705B CN 201110405036 A CN201110405036 A CN 201110405036A CN 103165705 B CN103165705 B CN 103165705B
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- box
- box portion
- cell panel
- terminal box
- solar module
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- 239000011810 insulating material Substances 0.000 claims description 2
- 230000004308 accommodation Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 9
- 238000003491 array Methods 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 210000003141 lower extremity Anatomy 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 238000011900 installation process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- 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
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- 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
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/10—Frame structures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
Disclose a kind of solar module, it comprises: cell panel; Border component, its periphery around cell panel is assembled; Terminal box, it is made up of two the terminal box parts be separated from each other; And connection line, which is connected described cell panel, for exporting the electric energy that described cell panel produces, and described connection line extends past described two terminal box parts; Wherein, described two terminal box parts are all combined in described border component; And described connection line comprises the box intraconnections be arranged in each terminal box parts, be connected to intermediate connection between these two box intraconnections, and described intermediate connection is along the edge placement of cell panel.In this solar module, the patching operations between terminal box and cell panel is simple.
Description
Technical field
The application relates to a kind of solar module, and it has the terminal box 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 fields.From the structure of the cell piece of solar cell, solar cell can be divided into block solar cell and thin-film solar cells substantially.
Schematically illustrate a kind of typical block (being generally crystalline silicon) solar module in Fig. 1, it mainly comprises cell panel 1, border component 2 and terminal box 3.
Cell panel 1 is generally the form of laminate, arranges the array of solar battery sheet (solarcell) 4 in it.Usually, needing multiple solar battery sheet to be together in series forms solar battery sheet group (string) 6, then these cell piece groups 6 is together in series by busbar 8, to provide required cell output voltage.
Terminal box 3 is arranged on cell panel 1 back side usually, such as bonding by silica gel.Be provided with anode and cathode terminals in terminal box 3, two both positive and negative polarities of whole solar module export cable 10 and are connected to anode and cathode terminals and are drawn by terminal box 3.Be provided with connection line between anode and cathode terminals, two lead-out wires of the cell piece array be made up of described cell piece group 6 are connected to the connection line in terminal box 3.In addition, one or more switching mode diode 12 in this connection line, is in series with in a manner known in the art, to prevent from occurring reverse current in connection line.
Border component 2 surrounds the periphery of cell panel 1, to protect cell panel.Consider the impact of the weather conditions such as solar radiation, wind and rain, border component 2 is made up of erosion resistant metal or plastics usually.Shown in Fig. 1, border component 2 can be assembled by frame section 14 and angle joint 16.
On the other hand, typical film solar battery module (not shown) also mainly comprises cell panel, border component and terminal box.This cell panel comprises thin film solar cell sheet layer, and this battery lamella is by longitudinal busbar collected current of both sides, and described longitudinal busbar is connected to the terminal box being arranged on panel backside by horizontal busbar.
Above-described, terminal box is arranged in the prior art of panel backside, during terminal box work, temperature is very high, simultaneously owing to being attached to heat radiation backboard affecting attachment area, therefore the temperature of solar module local can be caused to raise, namely in solar module, form hot spot.Because the generating efficiency of solar module reduces with the rising of temperature, therefore this hot spot can affect the overall delivery efficiency of solar module, reduces the useful life of solar module simultaneously.
In order to address this problem, a kind of feasible mode be terminal box is arranged on solar module border component on or be integrated in border component, like this, terminal box can not affect the heat radiation of cell panel, and the heat himself produced also not easily is delivered to cell panel.
But, when terminal box is arranged on border component, needs that special transformation is made to the structure of border component and be suitable for terminal box is installed to make it.Meanwhile, installing terminal box can cause the smooth outward appearance of the entirety of border component to be destroyed.
For scheme terminal box be integrated in border component, because the size of border component itself is limited, the operating space in terminal box can be caused narrow and small, therefore by the assembly operation inconvenience of border component to cell panel, be difficult to realize streamline and automatically produce.In addition, butted line box carries out wiring, detection, maintenance etc. operate also pretty troublesome.
Therefore, it is desirable to improve solar module, especially its terminal box, to solve the above-mentioned problems in the prior art.
Summary of the invention
The application aims to provide a kind of solar module, and it has the terminal box of improvement, and the cell panel hot spot caused to avoid terminal box affects the delivery efficiency of solar module and reduces useful life of assembly; In addition, the processing ease such as assembling, wiring, detection, maintenance of terminal box carries out.
For this reason, according to an aspect of the application, provide a kind of solar module, it comprises: cell panel; Border component, its periphery around cell panel is assembled; Terminal box, it is made up of two the terminal box parts be separated from each other; And connection line, which is connected described cell panel, for exporting the electric energy that described cell panel produces, and described connection line extends past described two terminal box parts; Wherein, described two terminal box parts are all combined in described border component; And described connection line comprises the box intraconnections be arranged in each terminal box parts, be connected to intermediate connection between these two box intraconnections, and described intermediate connection is along the edge placement of cell panel.
Have in the solar module of two-part terminal box in the application, preferably, described border component comprises multiple frame section and the angle joint be connected at an angle to each other by each frame section, and described terminal box component combination is in corresponding angle joint and/or frame section.
Have in the solar module of two-part terminal box in the application, preferably, each angle joint is connected with frame section in the mode of grafting.
Have in the solar module of two-part terminal box in the application, preferably, combination has the angle joint of terminal box parts and/or frame section to be made up of ambroin.
Have in the solar module of two-part terminal box in the application, preferably, each terminal box parts comprise: with corresponding angle joint or frame section shape all-in-one-piece box portion, the upright side walls that described box portion comprises the diapire parallel with cell panel and extends from diapire, described box portion is opened wide at least in part in the top side relative with diapire and near the vertical side at cell panel edge; Side cover, it is combined in box portion, with the described vertical side of enclosed box body part; And top cover, it is combined in box portion, with the described top side of enclosed box body part.
Have in the solar module of two-part terminal box in the application, preferably, one in described side cover and top cover has the latch-up structure locked it in box portion, and another in described side cover and top cover is by described and be locked in box portion in described side cover and top cover.
Have in the solar module of two-part terminal box in the application, preferably, described top cover has the latch-up structure locked it in box portion, and described side cover is locked in box portion by described top cover.
Have in the solar module of two-part terminal box in the application, preferably, described latch-up structure is buckle structure, and described box portion is provided with and coordinates with described buckle structure and realize the fit structure that locks.
Have in the solar module of two-part terminal box in the application, preferably, be provided with relative vertical slot in the upright side walls of described box portion, two vertical edges of described side cover insert in described vertical slot, thus are combined in box portion by side cover.
Have in the solar module of two-part terminal box in the application, preferably, each terminal box parts also comprise and are arranged on described side cover and the seal between top cover and described box portion.
Have in the solar module of two-part terminal box in the application, preferably, described side cover and top cover are made up of insulating material respectively.
Have in the solar module of two-part terminal box in the application, preferably, also comprise the lead-in wire between busbar and described box intraconnections being connected to described cell panel.
Have in the solar module of two-part terminal box in the application, preferably, each lead-in wire is fixed in corresponding box portion in its approximate mid-section.
Have in the solar module of two-part terminal box in the application, preferably, each lead-in wire comprises and is enclosed in the Part I in box portion by described side cover and is positioned at the outside and Part II that is that extend towards cell panel of box portion.
Have in the solar module of two-part terminal box in the application, preferably, the busbar that described intermediate connection is formed in cell panel by the edge along cell panel is formed
Have in the solar module of two-part terminal box in the application, preferably, in the box intraconnections at least one terminal box parts, be provided with at least one bypass diode.
Have in the solar module of two-part terminal box in the application, preferably, also comprise both positive and negative polarity and export cable, they are connected to the two ends of described connection line.
According to the solar module with two-part terminal box of the application, because two terminal box component combinations of terminal box are in border component, and be connected to the edge placement of the intermediate connection between these two terminal box parts along cell panel, therefore, assembling between terminal box and cell panel and patching operations are more simple, this makes the installation process of solar module can complete in mode that is easy, quick, low cost, is convenient to realize streamline and automatically produces.
In addition, according to the solar module with two-part terminal box of the application, connection box set is combined in border component, instead of be bonded in panel backside, therefore, terminal box can not cause solar module to produce hot spot, thus can not therefore affect the delivery efficiency of solar module and reduce useful life of assembly.
In addition, according to the solar module with two-part terminal box of the application, connection box set is combined in border component, and this makes whole border component still can keep overall smooth outward appearance.
According to another aspect of the application, provide a kind of solar module, it comprises: cell panel; Border component, its periphery around cell panel is assembled; And disassemble type terminal box, it is combined in described border component.Described terminal box comprises: be combined in the box portion in a part for described border component, the upright side walls that described box portion comprises the diapire parallel with cell panel and extends from diapire, described box portion is opened wide at least in part in the top side relative with diapire and near the vertical side at cell panel edge; Side cover, it is combined in box portion, with the described vertical side of enclosed box body part; And top cover, it is combined in box portion, with the described top side of enclosed box body part.
Have in the solar module of Detachable terminal box in the application, preferably, a described part for described box portion and described border component forms one; Or described box portion is separately formed relative to described border component, and is assembled in a described part for described border component.
Have in the solar module of Detachable terminal box in the application, preferably, one in described side cover and top cover has the latch-up structure locked it in box portion, and another in described side cover and top cover is by described and be locked in box portion in described side cover and top cover.
Have in the solar module of Detachable terminal box in the application, preferably, described top cover has the latch-up structure locked it in box portion, and described side cover is locked in box portion by described top cover.
Have in the solar module of Detachable terminal box in the application, preferably, described latch-up structure is buckle structure, and described box portion is provided with and coordinates with described buckle structure and realize the fit structure that locks.
Have in the solar module of Detachable terminal box in the application, preferably, be provided with relative vertical slot in the upright side walls of described box portion, two vertical edges of described side cover insert in described vertical slot, thus are combined in box portion by side cover.
According to the solar module with Detachable terminal box of the application, top side due to the box portion of terminal box and the vertical side near cell panel edge are unlimited, and closed by dismountable top cover and side cover, therefore, assembling between terminal box and cell panel and patching operations are more simple, this makes the installation process of solar module can complete in mode that is easy, quick, low cost, is convenient to realize streamline and automatically produces.In addition, when overhauling terminal box, top cover and side cover can be pulled down, thus provide higher convenience for operating personnel.
In addition, according to the solar module with Detachable terminal box of the application, equally, connection box set is combined in border component, instead of be bonded in panel backside, therefore, terminal box can not cause solar module to produce hot spot, thus can not therefore affect the delivery efficiency of solar module and reduce useful life of assembly.
In addition, according to the solar module with Detachable terminal box of the application, connection box set is combined in border component, and this makes whole border component still can keep overall smooth outward appearance.
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 diagram of the solar module according to prior art.
Fig. 2 is the schematic diagram of a kind of solar module according to the application's preferred implementation, and wherein two-part connection box set is combined in border component.
Fig. 3 is the schematic diagram being combined in the box portion of the Detachable terminal box parts in the angle joint of border component according to the application's preferred implementation.
Fig. 4,5 is the enlarged diagrams that may be combined with top cover in box portion shown in Fig. 3 and side cover.
Fig. 6 is the assembled state schematic diagram being combined in the Detachable terminal box parts in angle joint according to the application's preferred implementation.
Fig. 7,8 is schematic diagrames of two angle joints with terminal box parts and frame section both direction when combining.
Fig. 9 is the schematic diagram of the box portion of terminal box parts according to the application's preferred implementation, wherein box portion is fixed wtih lead-in wire.
Figure 10 is schematic diagram when being inserted in box portion shown in Fig. 9 by side cover.
Figure 11 is schematic diagram when being fixed in box portion shown in Figure 10 by top cover.
Embodiment
The various preferred implementations of the application are described with reference to the accompanying drawings.
First it may be noted that the application had both been applicable to block solar cell (as crystal silicon solar energy battery), be also applicable to thin-film solar cells.But conveniently explain the general principle of the application, the embodiment shown in accompanying drawing is mainly crystal silicon solar energy battery.But obviously, the various features relevant to crystal silicon solar energy battery in the application, are equally applicable to other block solar cell or thin-film solar cells.
As shown in Figure 2, according to a preferred implementation of the application, a kind of solar module (as crystal silicon solar energy battery module) mainly comprises cell panel 1, border component 2 and terminal box.
Cell panel 1 is the form of laminate, arranges solar battery sheet 4 (as crystal-silicon battery slice) in it.Described solar battery sheet can be made up of any material with photoelectric conversion, and such as, in an example of the application, described solar battery sheet is made up of crystal silicon chip (comprising monocrystalline silicon and polysilicon chip).Wherein, multiple solar battery sheet is together in series by bus and forms solar battery sheet group 6, six solar battery sheet groups (each cell piece group is made up of a longitudinal row cell piece respectively) such as shown in Fig. 2, by the busbar 8 in cell panel, multiple such cell piece group 6 is together in series, to provide required cell output voltage again.Specifically, each cell piece group 6 is joined end to end by busbar 8.Like this, whole solar battery sheet is all together in series and forms complete solar cell chip arrays in cell panel 1.The busbar be connected with the first side (side near the terminal box) end of first cell piece group from left to right and the busbar be connected with the first side end of last cell piece group from left to right form two outputs of solar cell chip arrays.
Solar module also comprises connection line (as described in detail hereinafter), which is connected two outputs of the solar cell chip arrays in cell panel, for exporting the electric energy that described cell panel produces.
Border component 2 comprises the multiple frame section and the angle joint be connected at an angle to each other by each frame section that are defined as the overall outline of border component.In example shown in Fig. 2, cell panel 1 has rectangular shape.For this reason, border component 2 comprises four frame sections 14 that the four edges along cell panel distributes and the angle joint 16 that the angle be 90 degrees to each other by these four frame sections is connected.
Connection between angle joint 16 and frame section 14 can be plug-in type.For this reason, angle joint 16 can arrange with the frame section 14 be connected the Plug Division cooperatively interacted.
Each frame section 14 can be made up of the metal being suitable for or plastics.Such as frame section can be made up of extrusion profile, can reduce the manufacturing cost of frame section like this.
Each angle joint 16 also can be made up of the metal being suitable for or plastics.
Consider insulating properties, the frame section be made up of ambroin and angle joint are preferred.
According to an importance of the application, solar module terminal box is made up of two the terminal box parts 18,20 be separated from each other, these two terminal box component combinations in border component, corresponding to two outputs of the solar cell chip arrays in cell panel.
Exemplarily, in the example shown in Fig. 2, each terminal box parts are combined in a corresponding angle joint 16 of border component 2 respectively.
But the application is not limited thereto.According to the basic conception of the application, also can by one of them terminal box component combination in an angle joint 16, by another terminal box component combination in the frame section 14 be connected with this angle joint 16.Or, can also by two terminal box parts groups in same frame section 14.
For wiring cost and convenience on consideration, two terminal box parts are preferably arranged along the same side of cell panel, such as, two outputs along the solar cell chip arrays in cell panel shown in Fig. 2 jointly facing to side layout.But the application does not get rid of the situation that two terminal box parts are arranged along the not homonymy of cell panel.Such as, when having odd number cell piece group 6 in cell panel, two outputs of solar cell chip arrays may roughly arris-wise distribution.In the case, two terminal box parts also roughly can be arranged in the both sides of cell panel by arris-wise.
Described connection line through described two terminal box parts 18,20, and comprises: be separately positioned on the box intraconnections 22,24 in these two terminal box parts 18,20, and is connected to the intermediate connection 26 between these two box intraconnections 22,24.
The electric conductor that each box intraconnections can comprise interior side terminal, outer side terminal and be connected between inside and outside side terminal.The two ends of intermediate connection 26 respectively connected the interior side terminal of box intraconnections 22,24.The outer side terminal of box intraconnections 22,24 can connect both positive and negative polarity and export cable 10.Described both positive and negative polarity exports cable 10 and can draw from border component through the corresponding site of border component (such as passing angle joint 16 shown in Fig. 2), such as, draws from the opposite end on a limit of border component.
At least one bypass diode is provided with, with the situation preventing solar module from occurring open circuit or inverse current impulse in the mode of series connection in described connection line.Described bypass diode is preferably placed at least one in two terminal box parts 18,20.Such as, in the example shown in Fig. 2, in the terminal box parts 18 in left side, arrange two bypass diodes, i.e. the first and second bypass diodes 28,30, arrange a bypass diode in the terminal box parts 20 on right side, i.e. the 3rd bypass diode 32.
The busbar be connected with the first side (side near the terminal box) end of first cell piece group is from left to right connected to box intraconnections 22 in the left side of the first bypass diode 28.
The busbar be connected with the first side end of second, third cell piece group is from left to right connected to box intraconnections 22 on the right side (namely between the first and second bypass diodes 28,30) of the first bypass diode 28.
The busbar be connected with the first side end of the 4th, the 5th cell piece group is from left to right connected to box intraconnections 22 on the right side of the first bypass diode 28, and/or is connected to box intraconnections 24 in the left side of the 3rd bypass diode 32.It may be noted that the busbar be connected to the first side end of the 4th, the 5th cell piece group is from left to right connected to box intraconnections 22 and/or box intraconnections 24 by corresponding lead-in wire, or be connected to box intraconnections 22 and/or box intraconnections 24 by intermediate connection 26.
The busbar be connected with the first side end of the 6th cell piece group is from left to right connected to box intraconnections 24 on the right side of the 3rd bypass diode 32.
Described intermediate connection 26 is along the edge placement of cell panel.Preferably, described intermediate connection 26 is also configured to the form of the busbar in cell panel.
The each busbar and the described intermediate connection 26 that are positioned at cell panel first side are connected to box intraconnections 22,24 preferably by corresponding additional lead 80 (referring to Fig. 9, and as described later).
According to Fig. 2 illustrated embodiment, terminal box is made up of two the terminal box parts be separated from each other, and is connected to the edge placement (preferably the busbar that be formed in cell panel be made up of) of the intermediate connection between these two terminal box parts along cell panel.Therefore, do not need to arrange the independent line be positioned at outside cell panel between two terminal box parts, this makes the patching operations between terminal box and cell panel be simplified, and by more easy to the assembling on cell panel for the border component with terminal box.
According to another importance of the application, solar module can have type of the disassembling terminal box parts be combined in border component.This disassemble type terminal box parts can be configured to before with reference to two terminal box parts be separated from each other 18,20 described by Fig. 2 one or both of, or, thisly disassemble single type of the disassembling terminal box that type terminal box parts also can form and to be combined in border component (angle joint or frame section in).
Terminology used here " is disassembled type " and is referred to that terminal box (terminal box parts) has dismountable part.
Describe type of the disassembling terminal box parts according to a kind of preferred implementation of the application referring to Fig. 3, this disassembles type terminal box component combination in an angle joint of the border component of solar module.Be appreciated that it also can be combined in a frame section of border component.
As shown in Figure 3, this is disassembled type terminal box parts and has the box portion 40 being arranged in angle joint (or frame section), and described box portion can form one with this angle joint, such as, made by injection-moulding plastic.
Or described box portion can be made separately relative to this angle joint, and then is assembled in this angle joint.In this case, described box portion can utilize the material different from this angle joint to make.
In the example shown in Fig. 3, the upright side walls 44 that described box portion 40 comprises diapire 42 and extends from diapire.Under the assembled state of solar energy module, described diapire 42 is parallel with cell panel.Described box portion is opened wide at least in part in the top side relative with diapire and near the vertical side at cell panel edge.In the example shown in Fig. 3, described top side is completely unlimited, opens wide described perpendicular straight side portion.
In addition, in the example shown in Fig. 3, upright side walls 44 comprise one with the sidewall of adjacent cell panel edges general parallel orientation and two sidewall (end wall) with adjacent cell panel edges less perpendicular.But the shape of upright side walls 44 is not limited thereto.Such as, the upright side walls of substantially elliptical or other shape is also feasible.
Accommodation space is limited in described box portion 40, the circuit board 46 that carry box intraconnections (such as aforementioned box intraconnections 22 or 24) is arranged in described accommodation space, and preferably supported by described diapire 42, to make the front of circuit board 46 (arranging the side of switching mode diode) towards the unlimited top side of described box portion.
In order to disassemble the top side opened wide of type terminal box parts and vertical side shown in Closed Graph 3, provide the top cover 60 shown in Fig. 4 and the side cover shown in Fig. 5 70.
As shown in Figure 3, the upright side walls 44 of described box portion 40 is provided with two vertical slots 48 respect to one another at described unlimited vertical side place, and the vertical edge 72, two, left and right of described side cover 70 inserts in described vertical slot 48.
Side cover 70 main body towards on the surface of accommodation space, be formed with the vertical stop configurations 74 in two, left and right of stretching out in described accommodation space, be also formed with along the top edge of the main body of side cover 70 towards described accommodation space outstanding locating piece 76.The position of the lower limb of locating piece 76 is higher than the position of the top edge of stop configurations 74, and the difference in height between the top edge of the lower limb of locating piece 76 and stop configurations 74 is substantially equal to the thickness of the inward flange of top cover 60.
When assembled pack part, the vertical edge, left and right 72 of side cover 70 inserts in vertical slot 48, and the lower limb of side cover 70 is resisted against in a part for diapire 42, and top cover 60 presses against the top edge of stop configurations 74 of side cover 70 from top.Like this, side cover 70 is fastened in box portion 40 by top cover 60.
After being combined in box portion 40 by side cover 70, the unlimited top side that described top cover 60 covers described box portion 40 is locked in this.For this reason, the inward flange of top cover 60 is inserted between the lower limb of locating piece 76 and the top edge of stop configurations 74.In addition, other edge of described top cover 60 is provided with latch-up structure.Such as, the edges at two ends of described top cover 60 and outward flange are provided with snap-type latch-up structure 62,62 ', and described box portion 40 is provided with and coordinates with described snap-type latch-up structure 62,62 ' and realize the grooved that locks or open-type fit structure 50,50 '.Certainly, other is for fixing on structure in box portion or element also can adopt by cap lock, such as utilize simple trip bolt just cap lock fix in box portion.
This assembled state disassembling type terminal box parts is shown in Fig. 6.
As an alternative, under the state that top cover 60 is locked in box portion 40, top cover 60 can also cover or be connected to the top edge of side cover 70, but not pushes against the stop configurations 74 on side cover 70, is locked in box portion 40 by side cover 70 thus.
Be appreciated that and also latch-up structure can be set on side cover, and top cover does not have latch-up structure, by side cover, cap lock is fixed in box portion.Or top cover and side cover are equipped with respective latch-up structure, so that they are locked in box portion respectively.
Described side cover and top cover can arrange seal therebetween, between the two and described box portion respectively, in the accommodation space entered in box portion to prevent external substance, especially moisture.
As a preferred implementation, under the assembled state of box portion, the lower limb of stop configurations 74 pushes against the upper surface (front) of the circuit board 46 in described accommodation space, thus is fixed in described accommodation space by circuit board 46 in a straightforward manner.Certainly, alternate manner also can be adopted to be fixed in described accommodation space by circuit board 46.
As previously mentioned, can be made up of this type terminal box parts of disassembling of the application with reference to two terminal box parts be separated from each other 18,20 described by Fig. 2 before.Fig. 7,8 shows a part for the border component of the solar module according to the application's preferred implementation from upper and lower both sides, comprising frame section 14 and the angle joint 16 being assembled in these frame section two ends, in each angle joint, combination has corresponding terminal box parts 18 or 20, and these two terminal box parts 18,20 are combined into the terminal box of solar module.
The cell panel slot 25 on the dorsal part being formed in border component each several part (angle joint and frame section) is also clearly show, for being inserted wherein at the edge of cell panel in Fig. 8.
The details being combined in the box portion 40 of type of the disassembling terminal box parts in border component of a preferred implementation according to the application is shown in Fig. 9.In example shown in Fig. 9, this disassembles type terminal box component combination in an angle joint.Certainly, this is disassembled type terminal box parts and also can be combined in other position of border component.
Can see, the vertical side at the close cell panel edge of described box portion 40 is formed with the partial sidewalls 52 upwards extended from diapire 42, the height of this partial sidewalls 52 is less than the height of upright side walls 44, part opens (i.e. opened upper end, bottom is blocked by partial sidewalls 52) to make the vertical side at the close cell panel edge of described box portion 40.Preferably, the top edge of this partial sidewalls 52 and the front (upper surface) of the circuit board be placed in described accommodation space roughly concordant.
Additional lead 80 for the busbar on cell panel and described intermediate connection being connected with the box intraconnections in terminal box parts is fixed on this partial sidewalls 52.Each additional lead 80 can adopt the form of the bus shown in figure, have towards the lateral part 82 that assembled cell panel is extended and from lateral part bending approximately towards the vertical portion 84 of upper extension.
As shown in Figure 10, side cover 70 is being inserted into after in box portion 40, the vertical portion of additional lead is blocked in the accommodation space in box portion 40 by side cover 70, to be connected with the box intraconnections in accommodation space, and lateral part 82 is stayed outside accommodation space and still extend, so that the busbar be connected on cell panel and described intermediate connection towards by the direction of assembled cell panel.
Illustrate in Figure 11 and top cover 60 has been fixed to the situation after in box portion 40.In this state, the vertical portion of additional lead is completely enclosed within the accommodation space in box portion 40.The inner of corresponding output cable 10 is connected to the box intraconnections in accommodation space, and the outer end exporting cable 10 is exposed to outside angle joint, and the major part exporting the conductor part of cable 10 extends in angle joint.Export the outer end of cable 10 preferably with splicing type connector.
In this state, can cell panel 1 be assembled on border component, such as, be inserted in the cell panel slot 25 that border component is formed.Then, the lateral part 82 of additional lead is coupled (e.g., welded) in busbar on cell panel and described intermediate connection.
When type terminal box (terminal box parts) are disassembled in employing, the top side of the box portion of terminal box and the vertical side at close cell panel edge are unlimited, and are closed by dismountable top cover and side cover.Therefore, more spacious operating space can be provided for operating personnel, carry out to facilitate the circuit in the box portion of butted line box assembling and overhauling.
Meanwhile, only need one of described top cover and side cover be locked in box portion, just both top cover and side cover can be assembled in box portion.Therefore, the assembling between terminal box and cell panel is more simple, and this makes the installation process of solar module can complete in mode that is easy, quick, low cost, is convenient to realize streamline and automatically produces.
In addition, the two-part terminal box concept being combined in border component according to the application can combinationally use or be used alone with the concept of the Detachable terminal box being combined in border component.No matter be which kind of mode, terminal box is all be combined in border component, instead of is bonded in panel backside, therefore, terminal box can not cause solar module to produce hot spot, thus can not therefore affect the delivery efficiency of solar module and reduce useful life of assembly.In addition, because connection box set is combined in border component, this makes whole border component still can keep overall smooth outward appearance.
Claims (21)
1. a solar module, comprising:
Cell panel;
Border component, its periphery around cell panel is assembled;
Terminal box, it is made up of two the terminal box parts be separated from each other; And
Connection line, which is connected described cell panel, and for exporting the electric energy that described cell panel produces, and described connection line extends past described two terminal box parts;
Wherein, described two terminal box parts are all combined in described border component; And
Described connection line comprises the box intraconnections be arranged in each terminal box parts, be connected to intermediate connection between these two box intraconnections, and described intermediate connection is along the edge placement of cell panel;
Described border component comprises multiple frame section and the angle joint be connected at an angle to each other by each frame section, and described terminal box component combination is in corresponding angle joint and/or frame section;
Described each terminal box parts comprise:
With corresponding angle joint or frame section shape all-in-one-piece box portion, the upright side walls that described box portion comprises the diapire parallel with cell panel and extends from diapire, described box portion is opened wide at least in part in the top side relative with diapire and near the vertical side at cell panel edge;
Side cover, it is combined in box portion, with the described vertical side of enclosed box body part; And
Top cover, it is combined in box portion, with the described top side of enclosed box body part.
2. solar module as claimed in claim 1, wherein, each angle joint is connected with frame section in the mode of grafting.
3. solar module as claimed in claim 1, wherein, combination has the angle joint of terminal box parts and/or frame section to be made up of ambroin.
4. solar module as claimed in claim 1, wherein, one in described side cover and top cover has the latch-up structure locked it in box portion, and another in described side cover and top cover is by described and be locked in box portion in described side cover and top cover.
5. solar module as claimed in claim 4, wherein, described top cover has the latch-up structure locked it in box portion, and described side cover is locked in box portion by described top cover.
6. solar module as claimed in claim 5, wherein, described latch-up structure is buckle structure, and described box portion is provided with and coordinates with described buckle structure and realize the fit structure that locks.
7. the solar module as described in claim 5 or 6, wherein, is provided with relative vertical slot in the upright side walls of described box portion, two vertical edges of described side cover insert in described vertical slot, thus are combined in box portion by side cover.
8. solar module as claimed in claim 1, wherein, each terminal box parts also comprise and are arranged on described side cover and the seal between top cover and described box portion.
9. solar module as claimed in claim 1, wherein, described side cover and top cover are made up of insulating material respectively.
10. solar module as claimed in claim 1, also comprises the lead-in wire between busbar and described box intraconnections being connected to described cell panel.
11. solar modules as claimed in claim 10, wherein, each lead-in wire is fixed in corresponding box portion in the middle.
12. solar modules as claimed in claim 11, wherein, each lead-in wire comprises and is enclosed in Part I in box portion by described side cover and is positioned at the outside and Part II that is that extend towards cell panel of box portion.
13. solar modules as claimed any one in claims 1 to 3, wherein, the busbar that described intermediate connection is formed in cell panel by the edge along cell panel is formed.
14. solar modules as claimed any one in claims 1 to 3, wherein, are provided with at least one bypass diode in the box intraconnections at least one terminal box parts.
15. solar modules as claimed any one in claims 1 to 3, also comprise both positive and negative polarity and export cable, they are connected to the two ends of described connection line.
16. 1 kinds of solar modules, comprising:
Cell panel;
Border component, its periphery around cell panel is assembled; And
Disassemble type terminal box, it is combined in described border component, and comprises:
Be combined in the box portion in a part for described border component, the upright side walls that described box portion comprises the diapire parallel with cell panel and extends from diapire, described box portion is opened wide at least in part in the top side relative with diapire and near the vertical side at cell panel edge;
Side cover, it is combined in box portion, with the described vertical side of enclosed box body part; And
Top cover, it is combined in box portion, with the described top side of enclosed box body part.
17. solar modules as claimed in claim 16, wherein, a described part for described box portion and described border component forms one; Or described box portion is separately formed relative to described border component, and is assembled in a described part for described border component.
18. solar modules as described in claim 16 or 17, wherein, one in described side cover and top cover has the latch-up structure locked it in box portion, and another in described side cover and top cover is by described and be locked in box portion in described side cover and top cover.
19. solar modules as claimed in claim 18, wherein, described top cover has the latch-up structure locked it in box portion, and described side cover is locked in box portion by described top cover.
20. solar modules as claimed in claim 19, wherein, described latch-up structure is buckle structure, and described box portion is provided with and coordinates with described buckle structure and realize the fit structure that locks.
21. solar modules as described in claim 19 or 20, wherein, are provided with relative vertical slot in the upright side walls of described box portion, two vertical edges of described side cover insert in described vertical slots, thus are combined in box portion by side cover.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110405036.4A CN103165705B (en) | 2011-12-08 | 2011-12-08 | Solar module |
| PCT/US2012/068359 WO2013086265A1 (en) | 2011-12-08 | 2012-12-07 | Solar cell module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110405036.4A CN103165705B (en) | 2011-12-08 | 2011-12-08 | Solar module |
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| Publication Number | Publication Date |
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| CN103165705A CN103165705A (en) | 2013-06-19 |
| CN103165705B true CN103165705B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110405036.4A Active CN103165705B (en) | 2011-12-08 | 2011-12-08 | Solar module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103165705B (en) |
| WO (1) | WO2013086265A1 (en) |
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| CN104752538A (en) | 2013-12-27 | 2015-07-01 | 比亚迪股份有限公司 | Photovoltaic cell assembly with two glass layers |
| EP3089356B1 (en) * | 2013-12-27 | 2021-01-06 | Panasonic Intellectual Property Management Co., Ltd. | Solar cell module |
| CN104753457B (en) | 2013-12-27 | 2017-05-31 | 比亚迪股份有限公司 | Double glass photovoltaic modulies |
| WO2017075716A1 (en) * | 2015-11-06 | 2017-05-11 | Celestica International Inc. | In-frame electronics assembly for solar panels |
| CN105305955A (en) * | 2015-11-09 | 2016-02-03 | 张家港其辰光伏科技有限公司 | Solar cell module and solar power generation system |
| FR3046296B1 (en) * | 2015-12-29 | 2018-02-02 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | PHOTOVOLTAIC DEVICE WITH ELECTRIC JUNCTION BOX, MANUFACTURING METHOD AND USE OF SAID DEVICE |
| US10511258B2 (en) * | 2016-06-17 | 2019-12-17 | Sunpower Corporation | Photovoltaic assembly having corner-facing electrical connector port |
| FR3060241B1 (en) * | 2016-12-09 | 2021-04-02 | Commissariat Energie Atomique | PHOTOVOLTAIC MODULE AND INTERCONNECTED PHOTOVOLTAIC MODULES PANEL |
| US10371185B2 (en) | 2017-01-09 | 2019-08-06 | David Lynn | Magnetically-controlled connectors and methods of use |
| CN108711580A (en) * | 2017-04-01 | 2018-10-26 | 苏州奇点新能源科技有限公司 | A kind of domestic efficient lightweight solar photovoltaic assembly |
| US10651786B2 (en) | 2018-01-08 | 2020-05-12 | David Lynn | Panel with magnetically-controlled connectors for attachment to a support member |
| CN108493281A (en) * | 2018-04-17 | 2018-09-04 | 苏州爱康光电科技有限公司 | A kind of solar photovoltaic assembly |
| CN108462458A (en) * | 2018-04-25 | 2018-08-28 | 嘉兴能发电子科技有限公司 | A kind of anti-attenuation polysilicon chip |
| US10971870B2 (en) | 2018-08-17 | 2021-04-06 | David Lynn | Connection interface for a panel and support structure |
| DE102018125742A1 (en) * | 2018-10-17 | 2020-04-23 | Hanwha Q Cells Gmbh | Mounting frame for a photovoltaic module |
| FR3101212A1 (en) * | 2019-09-20 | 2021-03-26 | Vertsun Sas | Solar panel |
| TW202213934A (en) * | 2020-09-17 | 2022-04-01 | 錸德科技股份有限公司 | Photovoltaic module frame |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2013086265A1 (en) | 2013-06-13 |
| CN103165705A (en) | 2013-06-19 |
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Effective date of registration: 20221114 Address after: Delaware Patentee after: DuPont polymer Address before: Delaware USA Patentee before: DuPont |