CN203708182U - Photovoltaic power generation system - Google Patents
Photovoltaic power generation system Download PDFInfo
- Publication number
- CN203708182U CN203708182U CN201420017055.9U CN201420017055U CN203708182U CN 203708182 U CN203708182 U CN 203708182U CN 201420017055 U CN201420017055 U CN 201420017055U CN 203708182 U CN203708182 U CN 203708182U
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- China
- Prior art keywords
- cell panel
- seam
- generating system
- panel
- photovoltaic generating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a photovoltaic power generation system. The photovoltaic power generation system includes a support and a cell panel; the cell panel includes a plurality of packs of solar cells which are electrically connected with one another; an L-shaped rabbet is formed on the support and is distributed along the width direction of the cell panel; the lower end portion of the cell panel along the length direction of the cell panel is inserted in the rabbet; the bottom surface of the rabbet is parallel to the cell panel; an outer side plate of the rabbet is located at the outer side of the cell panel; the upper end portion of the outer side plate is exposed; and a bonding material is arranged between the surface of the cell panel and the surface of the rabbet. According to the photovoltaic power generation system of the utility model, the outer side plate with a corresponding height can be selected to according the thickness of the cell panel assembly, such that the outer side plate will not retard the falling of covering items on the cell panel, and therefore, the covering items do not tend to be accumulated on the cell panel for a long time. The photovoltaic power generation system is advantageous in high power generation efficiency, and is particularly suitable for harsh environments.
Description
Technical field
The utility model relates to a kind of photovoltaic generating system, relates in particular to a kind of photovoltaic generating system with solar panel.
Background technology
Along with the development of human society, the demand of the energy is constantly increased.Solar energy, as one of regenerative resource of environmental protection, is more and more subject to attention and the support of countries in the world in recent years, and solar energy is counted as following most important energy supply mode.Solar cell photovoltaic generating, as the main mode of utilizing of solar energy, will become the substitute of conventional fossil energy in the near future.
Chinese invention patent application discloses a kind of photovoltaic generating system in (201310201709.3), and described photovoltaic generating system comprises: support; Photovoltaic module, described photovoltaic module is fixed on described support; Immobilizing foundation; With for sunlight being reflexed to the reflecting element on described photovoltaic module, described reflecting element is fixed on described immobilizing foundation.According to the photovoltaic generating system of the utility model embodiment have that generating efficiency is high, simple in structure, manufacture difficulty is low, manufacturing cost is little, the advantage such as little takes up room.
In this photovoltaic generating system, utilize reflecting element to increase the light income of photovoltaic module, but also just owing to being provided with reflecting element, reflecting element is blocked in the bottom of photovoltaic module.Photovoltaic system is to be normally applied in open-air atmosphere, extraneous dust and accumulated snow are easily because stopping of this reflecting element covers on photovoltaic module for a long time, the light income that this can reduce photovoltaic module on the one hand, is also prone to solar cell hot spot phenomenon on the other hand.Solar cell hot spot refers to that solar cell is under solar radiation, because part solar cell in the solar cell being cascaded is subject to blocking and cannot works, covered part is heated up and be far longer than not covered part, cause excess Temperature to occur the blackening burning out, hot spot may cause whole battery component to damage, and causes output performance loss.And in existing photovoltaic generating system, the one group of solar cell being cascaded is arranged on the length direction of cell panel, if while having overcover on generation cell panel, must have in one group of solar cell at least one covered live, therefore, in existing this photovoltaic system, very easily there is solar cell hot spot phenomenon.
Utility model content
For overcoming above-mentioned defect, the utility model technical issues that need to address are: a kind of photovoltaic generating system is provided, and the generating efficiency of this electricity generation system can be guaranteed.
For solveing the technical problem, the technical solution of the utility model: a kind of photovoltaic generating system, comprise support and cell panel, cell panel comprises the some groups of solar cells that are electrically connected, and it is characterized in that, on support, be provided with L shaped seam, seam is along the Width layout of cell panel, and the bottom of cell panel length direction is plugged in seam, and the bottom surface of seam is parallel with cell panel, the outer panel of seam is positioned at the outside of cell panel, and the upper end of outer panel is exposed; Between cell panel and seam surface, be provided with sticky object.This photovoltaic generating system in use, cell panel is inclined to set, can be by the selection of the height of seam outer panel and the thickness size of cell panel, and make the outer surface of cell panel and upper annex thereof will be higher than the thickness of outer panel, or both are concordant, outer panel can be to the landing thing (as dust, sleet etc.) on cell panel.
One-body molded on described support have a supporting plate, and supporting plate stretches out towards the outside of seam, and the bottom surface of splint upper surface and seam forms an inclined-plane.Being provided with supporting plate can increase the Area of bearing of support to cell panel, can increase the fail safe that support supports cell panel.
On supporting plate, be provided with groove, groove is along seam length direction layout, and groove and seam are isometric.Be provided with groove, can utilize the sticky object of the volume accumulation q.s of groove itself, to guarantee the bonding fastness between cell panel and support, and due to the retardation of groove to the sticky object after solidifying itself, can further improve the bonding fastness between cell panel and support.
In described groove, be provided with for cell panel is carried out to bonding viscose glue.Full-bodied viscose glue is pre-arranged in groove, makes to be full of viscose glue on seam bottom surface.As for the sticky thing between cell panel and seam surface other parts, can between outer panel and cell panel lower surface, pour into.In fact, what cell panel was played to the effect of being mainly adhesively fixed is the viscose glue in groove, and under the prerequisite that can guarantee in the amount of viscose glue that plays main fixation, the fastness between cell panel and support can guarantee.
Inner side in seam outer panel upper end is provided with fillet surface, and this fillet surface is crossing with the lateral surface of this outer panel, between fillet surface and the lower surface of cell panel, is filled with sticky object, and the upper surface of sticky object and the upper surface of outer panel concordant.Be provided with this fillet surface, make to form larger space between outer panel and cell panel bottom, be convenient to the perfusion to sticky object on the one hand, also can effectively increase on the other hand the bonding fastness between outer panel and cell panel.And because sticky object upper surface is concordant with the upper surface of outer panel, the setting of sticky object also can not protrude into the outside of cell panel, thereby can not hinder in the bottom of cell panel the landing of overcover on cell panel.
On the outer surface of cell panel, be coated with photic zone, the upper end of described outer panel is concordant with this euphotic outer surface.Photic zone is generally glass, and photic zone is little to reflection of light, can provide protection to solar cell on the one hand, also can utilize on the other hand the characteristic of photic zone smooth outer surface to accelerate the slip velocity of dust or sleet.
One group of solar cell is in line, and they are arranged on the Width of cell panel.When on cell panel, landing has dust or sleet, when these overcover landings, it is generally natural landing from top to bottom, if when the solar cell being cascaded is arranged along the length direction of cell panel, in the process of overcover landing, overcover is landing from top to bottom, will inevitably occur that solar cell that the covered thing of part solar cell in one group covers another part can accept the irradiation of daylight, and this very easily causes the generation of solar cell hot spot phenomenon.And solar cell in one group is along the Width setting of cell panel, in the time of overcover landing, under normal circumstances, become the overcover upper end of piece comparatively concordant, thereby make one group of solar cell otherwise all covered, otherwise all exposed, seldom occur part solar cell in one group covered live, the solar cell of another part is exposed and accept illumination, thereby has reduced the phenomenon that in solar cell working process, hot spot occurs.
Described support comprises base plate, base plate one distolateral the one-body molded framework that has hollow, described seam is formed on the external angle of framework upper, described cell panel is inserted in seam from the inner corner portion of framework upper.This support simple in structure, utilizes the width of framework itself for cell panel provides support, and is conducive to improve stability of strutting system and the fail safe of support to cell panel.
Dorsal part at cell panel is provided with substrate, and the bottom of substrate is plugged in described seam.Be provided with substrate and can provide stable support protective effect for cell panel.
The beneficial effects of the utility model are: owing to being formed with L-shaped seam on support, the bottom of cell panel is plugged in this seam, and the outer panel upper end of seam is exposed.Can be by the thickness to cell panel and annex thereof and the selection of outer panel height, make the bottom of outer panel and the outer surface of battery panel components concordant or lower slightly, this seam can meet on the one hand to the fixing requirement of the support of cell panel, can not have influence on the other hand the natural landing of overcover on battery panel components upper surface yet, the time that overcover stops on cell panel is relatively short, and overcover is relatively little on the impact of this photovoltaic generating system.This photovoltaic generating system is applicable to being applied in the comparatively severe area of environment, the area of comparatively wreaking havoc as cold district or sand and dust.In the area that has snowfall, because described support itself can not produce retardation to the snow that lands on cell panel, this photovoltaic generating system is compared with common photovoltaic generating system, and its generating efficiency can improve nearly 30%.
Accompanying drawing explanation
Fig. 1 is the cutaway view of cell panel bottom after together with support assorted in this photovoltaic generating system.
Fig. 2 is the profile of support.
Fig. 3 is the circuit diagram of solar cell connected mode on cell panel.
Embodiment
See in figure, the structure of this photovoltaic generating system comprises cell panel 5 and support 1, and cell panel 5 is inclined to set, and the upper end of cell panel 5 is supported firmly by corresponding bracing or strutting arrangement, and the bottom of cell panel 5 is bearing on support 1.
Cell panel 5 comprises the some groups of solar cells that are electrically connected 15, is shown as five groups in Fig. 3, and they are connected in parallel to each other together, are provided with diode 16 between each group.Cell panel 5 is cuboid, and the solar cell 15 in a group is along the Width setting of cell panel 5.
Be enclosed with one deck EVA layer 3 in the periphery of cell panel 5, for providing protection to cell panel 5.On the upper surface of this EVA layer 3, be fitted with one deck photic zone 4, this photic zone 4 is generally glass.Be provided with a substrate 6 at the dorsal part of cell panel 5, substrate 6 fits with EVA layer 3.
The structure of support 1 comprises base plate 10 and one-body molded at the distolateral framework 9 of base plate 10 1, and framework 9 is hollow structure.External angle on framework 9 tops is formed with seam 13, and seam 13 is L-shaped, and seam 13 is to have an outer panel 11 and moulding by the corresponding position at framework 9 is one-body molded.Seam 13 is along the Width setting of cell panel 5, seam 13 and 10 points of base plates are listed in the relative both sides of framework 9, in the outside of seam 13 and framework 9 is one-body molded a supporting plate 7, supporting plate 7 and base plate 10 are positioned at the homonymy of framework 9, and the bottom surface of the upper surface of supporting plate 7 and seam 13 same walk upwards, they have formed an inclined-plane.
Because needs cell panel 5 is inclined to set, be inclination by padded support 1 entirety that makes to base plate 10 outer ends, cell panel 5 is equal with the bottom surface of described seam 13, and the bottom of cell panel 5, photic zone 4, substrate 6 is all in the inner corner portion of framework 9 is inserted into seam 13.Described outer panel 11 is positioned at the outside of cell panel 5, and the upper end of outer panel 11 is exposed.
On supporting plate 7 upper surfaces, be provided with groove 14, groove 14 is isometric with seam 13.In the time realizing cell panel 5 and match with seam 13, need in advance at the interior viscose glue 8 that arranges of groove 14, then the cell panel 5 fitting together, photic zone 4 and substrate 6 are inserted in seam 13, substrate 6 directly contacts with viscose glue 8.After viscose glue 8 solidifies, viscose glue 8 plays the main effect of being adhesively fixed to their threes.Between the surface of seam 13 and cell panel 5, photic zone 4 and substrate 6, be filled with sticky object 2, this sticky object 2 is generally homogeneous material with viscose glue 8, and they are generally glass cement.For convenience of the perfusion of sticky object 2, be provided with fillet surface 12 in the inner side of outer panel 11 upper ends, this fillet surface 12 is crossing with the lateral surface of outer panel 11.In the time that sticky object 2 is set, in the space between fillet surface 12 and photic zone 4 bottoms, be fed into liquid sticky object 2, these sticky object 2 through viscose glue 8 positions, curing sticky object 2 contributes to photic zone 4, cell panel 5 and substrate 6 threes' laminating.The upper surface of the upper surface of photic zone 4, sticky object 2 after solidifying, the upper surface three of outer panel 11 are mutually concordant; Photic zone 4, EVA layer 3 are mutually concordant with substrate 6 threes' lower surface.
Claims (9)
1. a photovoltaic generating system, comprise support and cell panel, cell panel comprises the some groups of solar cells that are electrically connected, it is characterized in that, be provided with L shaped seam on support, seam is arranged along the Width of cell panel, the bottom of cell panel length direction is plugged in seam, the bottom surface of seam is parallel with cell panel, and the outer panel of seam is positioned at the outside of cell panel, and the upper end of outer panel is exposed; Between cell panel and seam surface, be provided with sticky object.
2. photovoltaic generating system according to claim 1, is characterized in that, one-body molded on described support have a supporting plate, and supporting plate stretches out towards the outside of seam, and the bottom surface of splint upper surface and seam forms an inclined-plane.
3. photovoltaic generating system according to claim 2, is characterized in that, is provided with groove on supporting plate, and groove is along seam length direction layout, and groove and seam are isometric.
4. photovoltaic generating system according to claim 3, is characterized in that, is provided with for cell panel is carried out to bonding viscose glue in described groove.
5. according to the photovoltaic generating system described in claim 1,2,3 or 4, it is characterized in that, inner side in seam outer panel upper end is provided with fillet surface, this fillet surface is crossing with the lateral surface of this outer panel, between fillet surface and the lower surface of cell panel, be filled with sticky object, and the upper surface of sticky object and the upper surface of outer panel concordant.
6. according to the photovoltaic generating system described in claim 1,2,3 or 4, it is characterized in that, on the outer surface of cell panel, be coated with photic zone, the upper end of described outer panel is concordant with this euphotic outer surface.
7. according to the photovoltaic generating system described in claim 1,2,3 or 4, it is characterized in that, one group of solar cell is in line, and they are arranged on the Width of cell panel.
8. according to the photovoltaic generating system described in claim 1,2,3 or 4, it is characterized in that, described support comprises base plate, base plate one distolateral the one-body molded framework that has hollow, described seam is formed on the external angle of framework upper, and described cell panel is inserted in seam from the inner corner portion of framework upper.
9. according to the photovoltaic generating system described in claim 1,2,3 or 4, it is characterized in that, be provided with substrate at the dorsal part of cell panel, the bottom of substrate is plugged in described seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017055.9U CN203708182U (en) | 2014-01-13 | 2014-01-13 | Photovoltaic power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420017055.9U CN203708182U (en) | 2014-01-13 | 2014-01-13 | Photovoltaic power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708182U true CN203708182U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420017055.9U Expired - Fee Related CN203708182U (en) | 2014-01-13 | 2014-01-13 | Photovoltaic power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731090A (en) * | 2014-01-13 | 2014-04-16 | 于彦坚 | Photovoltaic power generation system |
-
2014
- 2014-01-13 CN CN201420017055.9U patent/CN203708182U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103731090A (en) * | 2014-01-13 | 2014-04-16 | 于彦坚 | Photovoltaic power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20160113 |