WO2008041298A1 - Solar cell panel - Google Patents
Solar cell panel Download PDFInfo
- Publication number
- WO2008041298A1 WO2008041298A1 PCT/JP2006/319569 JP2006319569W WO2008041298A1 WO 2008041298 A1 WO2008041298 A1 WO 2008041298A1 JP 2006319569 W JP2006319569 W JP 2006319569W WO 2008041298 A1 WO2008041298 A1 WO 2008041298A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- solar cell
- gasket
- cell module
- module body
- cell panel
- Prior art date
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 29
- 210000004027 cell Anatomy 0.000 description 177
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- 239000011521 glass Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 5
- 238000010248 power generation Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Classifications
-
- 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
-
- 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
- H02S20/00—Supporting structures for PV modules
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/20—Peripheral frames for modules
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/40—Preventing corrosion; Protecting against dirt or contamination
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/40—Preventing corrosion; Protecting against dirt or contamination
- F24S40/44—Draining rainwater or condensation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/70—Sealing means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S2025/01—Special support components; Methods of use
- F24S2025/016—Filling or spacing means; Elastic means
-
- 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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
Definitions
- the present invention relates to a solar cell panel and a method of manufacturing the same.
- Solar cell panels are power generation equipment used outdoors, and require durability under extremely harsh conditions such as ultraviolet rays, wind and snow, salt damage, acid rain, freezing, accumulation of dirt, and generation of microorganisms. Is required. In particular, the ingress of moisture into the solar cell module is the most serious problem that affects the service life. Therefore, many solar cell panels use glass for substrates and windshields, and their surroundings are attached to an aluminum frame structure. And a solar cell panel is installed in a mount frame by frame structure.
- FIG. 1 is a plan view showing a conventional solar cell panel. As shown in FIG. 1, the solar cell panel is formed by surrounding the entire circumference of the four sides of the solar cell module body 1 with an aluminum frame structure 3. The size of the solar cell module body is, for example, 14 OOmm X 1100mm. A rubber liner is inserted as a filler between the solar cell module body and the frame structure to prevent moisture from entering the outer periphery of the solar cell module body.
- FIG. 2 is a cross-sectional view showing a conventional solar cell module frame structure.
- Gasket 5 is a solar cell module having a glass substrate In addition to serving as a thermal and mechanical cushioning material between the main body 2 and the aluminum frame structure 4, it also has the role of determining the positional relationship between the aluminum frame structure 4 and the solar cell module body 2 having the glass substrate. .
- the sealing frame material as a frame structure is an elastic body such as urethane resin having a groove, and after inserting the outer peripheral edge of the solar cell body into the extended groove, the external force is removed. The solar cell body is sealed.
- a solar cell module mounting structure is disclosed in Japanese Patent Laid-Open No. 2001-230440.
- the outer peripheral portion of the solar cell module body is fitted into the fitting groove while compressing and deforming the water-stopping member made of the foam material disposed in the fitting groove.
- solar cell panels having a structure for draining water staying on the light receiving surface of the solar cell module body are disclosed in Japanese Utility Model Laid-Open No. 6-17257 and Japanese Patent Application Laid-Open No. 2002-9410. Has been.
- a notch is provided in a part of the frame structure on the light receiving surface side so that water staying on the light receiving surface is drained.
- the solar cell panel has a hollow portion in the frame structure, and the solar cell panel is filled with a filler in order to prevent water from staying in the hollow portion.
- An object of the present invention is to provide a solar cell panel having a simple structure and easy to manufacture, and a method for manufacturing the solar cell panel. It is to provide.
- Another object of the present invention is to provide a solar cell panel capable of positioning the solar cell module main body at a prescribed position with respect to the frame structure, and a method for manufacturing the solar cell panel.
- the object of the present invention is to provide a solar cell panel having a structure in which water does not stay in the frame structure of the solar cell module body attached to the frame structure via a gasket, and a method for manufacturing the solar cell panel.
- a solar cell panel in an aspect of the present invention, includes a solar cell module main body, a gasket portion, and a frame structure.
- the gasket portion has a substantially U-shaped structure having an upper side portion, a lower side portion, and a connecting portion that connects one end of the upper side portion and the lower side portion, and the upper side portion on the open side
- the lower side is in contact with the peripheral edge of the solar cell module body, and sandwiches the solar cell module body by elastic force.
- the frame structure has a female fitting portion, and the solar cell module body is supported via the gasket portion by fitting the gasket portion with the female fitting portion. This simplifies the structure of the solar cell panel and facilitates manufacture.
- the gasket portion functions as a mechanical and Z or thermal buffer between the solar cell module main body and the frame structure.
- the solar cell module main body can be protected.
- At least one of the upper side portion and the lower side portion of the gasket portion on the side facing the connection portion is an inner side so as to be tightly joined to the peripheral edge portion of the solar cell module body. You may have the protrusion part of direction. At this time, at least one of the upper side part, the lower side part, and the protrusion form a plate panel structure. This can more reliably prevent moisture from entering.
- the connecting portion of the gasket portion includes a plurality of holes so as to connect a space between the solar cell module main body and the gasket portion and a space between the gasket portion and the frame structure. Have, and prefer to have.
- the pitch of the plurality of holes that is the same as or larger than the square of txt is preferably equal to or smaller than 2 X t.
- At least one of the upper side portion and the lower side portion of the gasket portion on the side facing the connection portion is for positioning the solar cell module body with respect to the frame structure.
- the female fitting portion has a fitting groove that fits into the gasket portion, and a first drain hole that penetrates the female fitting portion.
- the first drain hole has a first opening on the inner surface facing the upward direction of the female fitting portion facing the fitting groove, and the first opening Force It penetrates the female fitting portion downward and has a second opening on the outer surface facing the downward direction of the female fitting portion.
- the upward direction is the direction in which the light receiving surface of the previous solar cell module body is facing
- the lower direction is the direction in which the back surface of the previous solar cell module body is facing. Since the solar cell panel is usually installed with the light receiving surface facing upward, the water inside the fitting groove is efficiently drained by the first drain hole.
- the fitting groove may be formed in a rectangular cross section, or may be formed in an L-shaped cross section in which the inner portion of the fitting groove is bent downward. ⁇ .
- the fitting groove has an L-shaped cross section, the first opening of the first drain hole is formed on the inner surface of the fitting groove so as to face the inner part of the fitting groove.
- the frame structure extends in the downward direction from the outer surface facing the downward direction, and extends in the inner direction of the frame structure from the side surface portion and the lower end of the side surface portion! /, Having a leg portion formed in an L-shaped cross section consisting of a bottom surface portion, wherein the side surface portion is located inside the frame structure from a position where the second opening is provided. It is preferable to be joined to the outer surface facing the downward direction.
- the first drain hole has the The second opening is not blocked by another solar panel provided adjacent to the second opening.
- the side surface portion has a second drainage hole penetrating the side surface portion from the inside to the outside of the frame structure.
- connection portion and the bottom surface of the fitting groove facing the connection portion are separated from each other.
- a wide space is provided behind the fitting groove, and it is possible to prevent water from being held in a narrow space due to the capillary phenomenon. Therefore, the structure is such that water does not easily stay inside the fitting groove.
- the frame structure is preferably an extrusion molded product or a press molded product. As a result, solar cell panels can be mass-produced at low cost.
- a method for manufacturing a solar cell panel includes: (a) fitting an opening of a gasket portion having a substantially U-shaped structure and a solar cell module body;
- the gasket part has an upper side part, a lower side part, and a connection part that connects one end of the upper side part and the lower side part, and (b) the upper side part and the lower side part are the above-mentioned Abutting on the peripheral edge of the solar cell module main body, sandwiching the solar cell module main body by elastic force, and (c) fitting the gasket part relatively to the female fitting part of the frame structure. This is achieved by supporting the pond module main body via the gasket portion.
- the step (a) includes (al) The gasket part may be bent at a right angle at the notch part of the gasket part.
- the step (a) includes the steps (a2) and (4) Including fitting a gasket into the solar cell module body.
- the step (a) may include (a3) joining a contact line of the gasket portion at a portion corresponding to a corner of the solar cell module body.
- at least one of the upper side portion and the lower side portion of the gasket portion is in close contact with the peripheral edge portion of the solar cell module body at the end portion on the side facing the connection portion.
- the step (a) includes the step of sealing the inside of the gasket portion by the elastic force of the plate panel structure of at least one of the upper side portion, the lower side portion, and the projection portion. It may include stopping.
- step (c) includes: (cl) an outward facing direction provided at an end of the gasket portion on the side facing the connection portion, at least one of the upper side portion and the lower side portion. Positioning the solar cell module main body with respect to the frame structure with the gasket portion using a protrusion.
- FIG. 1 is a plan view showing a conventional solar cell panel in which the entire circumference of four sides of a solar cell module main body is surrounded by an aluminum frame member.
- FIG. 2 is a cross-sectional view showing a conventional solar cell module frame structure.
- FIG. 3A is a perspective view showing a state in which a substantially U-shaped gasket is attached to the solar cell module body.
- FIG. 3B is a perspective view showing a state where a substantially U-shaped gasket is attached to the solar cell module body.
- FIG. 4A is a perspective view showing a state in which another gasket having a substantially U shape is attached to the solar cell module body.
- FIG. 4B is a perspective view showing a state in which another gasket having a substantially U shape is attached to the solar cell module main body.
- FIG. 5A is a perspective view showing a state in which a substantially U-shaped gasket is attached to the solar cell module main body according to the first embodiment of the present invention.
- FIG. 5B is a perspective view showing a state where a substantially U-shaped gasket is attached to the solar cell module main body according to the first embodiment of the present invention.
- FIG. 6A is a perspective view showing a state where another gasket having a substantially U shape is attached to the solar cell module body in the first embodiment of the present invention.
- FIG. 6B is a schematic view of the solar cell module main body according to the first embodiment of the present invention. It is a perspective view which shows the state in which the other gasket of a letter shape is attached.
- FIG. 7A is a cross-sectional view showing a state before and after the gasket and the solar cell module body are fitted together.
- FIG. 7B is a cross-sectional view showing a state before and after the gasket and the solar cell module main body are fitted together.
- FIG. 8A is a cross-sectional view showing a state before and after the gasket and the solar cell module main body are fitted in the second embodiment of the present invention.
- FIG. 8B is a cross-sectional view showing a state before and after the gasket and the solar cell module main body are fitted in the second embodiment of the present invention.
- FIG. 9A is a cross-sectional view showing a state where the gasket and the solar cell module main body are fitted.
- FIG. 9B is a cross-sectional view showing a state where the gasket and the solar cell module main body according to the third embodiment of the present invention are fitted.
- FIG. 10A is a perspective view showing a state where a gasket and a solar cell module main body according to a third embodiment of the present invention are fitted.
- FIG. 10B is a perspective view showing a state where the gasket and the solar cell module main body according to the third embodiment of the present invention are fitted.
- FIG. 11 is a cross-sectional view showing a state in which the solar cell module body is attached to the frame structure in an eccentric manner.
- FIG. 12 is a cross-sectional view showing a state in which a solar cell module main body according to a fourth embodiment of the present invention is attached to a frame structure.
- FIG. 13 is a cross-sectional view showing a solar cell panel according to a fifth embodiment of the present invention.
- FIG. 14 is a cross-sectional view showing an example of a state in which a plurality of solar cell panels according to the fifth embodiment of the present invention are installed side by side.
- FIG. 15 is a cross-sectional view showing a state in which a solar cell panel according to a fifth embodiment of the present invention is installed on a gantry 14.
- FIG. 16 is a cross-sectional view showing a solar cell panel according to a sixth embodiment of the present invention. is there.
- FIG. 17 is a cross-sectional view showing a solar cell panel according to a seventh embodiment of the present invention.
- FIG. 18 is a cross-sectional view showing a solar cell panel according to an eighth embodiment of the present invention.
- the present invention will be described by taking a thin film solar cell such as amorphous silicon as an example. However, it should be understood that the present invention is applicable not only to a thin film solar cell but also to a crystalline solar cell. It will be obvious.
- a transparent electrode layer, a silicon-based thin-film power generation layer, and a back electrode layer are formed on a light-transmitting substrate, and the back surface opposite to the light-transmitting substrate is placed via EVA. Sealed with a backing sheet.
- the upward direction means the direction in which the light receiving surface of the solar cell module body faces
- the downward direction means the direction in which the back surface of the solar cell module body faces.
- FIG. 3A and 3B are perspective views showing an example in which a substantially U-shaped gasket 5A is attached around a rectangular flat plate solar cell module body 12.
- FIG. 3A when one gasket 5A is wound around the entire circumference of the solar cell module body 12, as shown in FIG. 3B, a folded portion 5A-1 is formed at the corner portion, and the frame structure is formed. Assembling is difficult.
- 4A and 4B are perspective views showing an example in which a substantially U-shaped gasket 5B is attached around the rectangular flat plate solar cell module body 12.
- FIG. 5A and FIG. 5B are rectangular flat plate solar cell modules according to the first embodiment of the present invention.
- FIG. 5 is a perspective view showing an example in which a substantially U-shaped gasket 6A is attached around the joule body 12.
- the gasket 6A has an upper side part 6-1 and a lower side part 6-2 and a connection part 6.3 connecting them.
- the upper side 6-1 and the lower side 6-2 are substantially parallel
- the upper side 6-1 and the connection part 6-3 are substantially perpendicular
- the lower side 6-2 and the connection part 6-3 are substantially right angle. Each of them.
- the upper side portion 6-1 and the lower side portion 6-2 correspond to the U-shaped vertical line
- the connection portion 6-3 corresponds to the U-shaped bottom curve. Is called a U-shape
- the connecting portion 6-3 that forms the bottom of the U-shape may connect the upper side portion 6-1 and the lower side portion 6-2 in a straight line instead of a curved line.
- the substantially U ground shape is used in the same meaning.
- FIG. 5A when one gasket 6A is wound around the entire circumference of the solar cell module body 12, the solar cell module of the upper side 6-1 and the lower side 6-2 of the gasket 6A is shown.
- a notch 6A-1 is formed in advance in a portion corresponding to the corner of the main body 12.
- Notch 6A-1 is a triangle with an apex angle of approximately 90 degrees.
- FIG. 5B when such a gasket 6A is bent at a portion corresponding to the corner portion, the gasket 6A is in line contact at the joint portion 6A-2 at the corner portion of the solar cell module body 12. In this way, water can be prevented from entering the solar cell module body 12.
- FIGS. 6A and 6B are perspective views showing an example in which a substantially U-shaped gasket 6B is attached around the rectangular flat plate solar cell module body 12 in the first embodiment of the present invention.
- FIG. As shown in Fig. 6A, when four gaskets 6B are separately attached to the four sides of the solar cell module body 12, both ends 6B-1 of each gasket 6B are 45 degrees as shown in Fig. 6B. It is cut off at an angle of. As a result, the two gaskets 6B can be brought into contact with each other at a corner portion of the solar cell module body 12 at about 90 degrees, and the gasket 6B at the corner portion can be in line contact at the joint 6B-2. Thereby, it is possible to prevent water from entering the solar cell module body 12.
- FIG. 7A and 7B are cross-sectional views showing a state before and after the gasket 5C and the solar cell module body 12 are fitted together.
- FIG. 7A shows a state before mating
- FIG. 7B shows a state after mating.
- the gasket 5C has a substantially U-shaped cross section, and as shown in Fig. 7B, when the solar cell module body 12 is fitted into the gasket 5C, the tip of the gasket 5C is turned up. In some cases, water may be allowed to enter the solar cell module body 12.
- FIGS. 8A and 8B are cross-sectional views showing a state before and after the gasket and the solar cell module main body are fitted in the second embodiment of the present invention.
- protrusions 6-4 are formed at the end portions of the upper side portion 6-1 and the lower side portion 6-2 facing the connection portion 6-2 of the gasket 6C.
- the projections 6-4 form a plate panel structure with each side.
- the protrusions 6-4 on the front end are on the light receiving surface 12-1 and Z or back surface 12-2 of the solar cell module body 12. Adheres closely, preventing water from entering the inside of the solar cell module body 12!
- FIGS. 9A and 9B are cross-sectional views showing a state in which the gasket and the solar cell module main body are fitted.
- a small space may be formed between the gasket 5D and the solar cell module body 12. It is conceivable that a small amount of moisture 10 may enter this space due to capillary action or condensation. Therefore, in the present invention, as shown in FIG. 9B, holes 6-5 are provided in the gasket 6D so that these moisture can be discharged as shown by arrows in the figure.
- the moisture entering the interior is very small, and is held in a minute gap between the gasket 6D and the solar cell module body 12 due to surface tension and capillary action. Therefore, such water discharge is mainly due to evaporation. Therefore, it is preferable that the holes 6-5 of the gasket 6D are large and have a small interval.
- FIG. 10A and FIG. 10B show a gasket and a solar cell module according to the third embodiment of the present invention. It is a perspective view which shows the state which the Joule main body fitted.
- the thickness of the module body 12 is t
- the height h of the hole 6-5 is equal to or greater than the thickness t
- the width w of the hole 6-5 is equal to or greater than the thickness t
- the gap is less than or equal to the thickness t, that is, the hole shape is the same or larger than the approximate square of t X t
- the hole pitch p is the same as or smaller than 2 X t! /.
- Fig. 10B shows this configuration where the middle part of the hole may be closed, leaving only the top and bottom of 6-5. Furthermore, the number of holes 6-5 shown in Fig. 10B can be reduced by alternately providing holes 6-5. By doing so, the rigidity of the gasket 6D is increased, and the force with which the gasket 6D clamps the solar cell module body 12 is increased.
- FIG. 11 is a cross-sectional view showing a state in which the solar cell module body is attached to the frame structure in a biased manner.
- the solar cell module body 12 may be attached to the frame structure 7 in a biased manner.
- the hole 6-5 of the gasket contacts the frame structure 7 at the surface 7-2 and does not function, or the pocket-shaped space 7-1 between the frame structure 7 and the solar cell module body 12 is lost. It is possible to create an unfavorable situation such as the formation of water and the possibility of water retention.
- FIG. 11 is a cross-sectional view showing a state in which the solar cell module body is attached to the frame structure in a biased manner.
- the hole 6-5 of the gasket contacts the frame structure 7 at the surface 7-2 and does not function, or the pocket-shaped space 7-1 between the frame structure 7 and the solar cell module body 12 is lost. It is possible to create an unfavorable situation such as the formation of water and the possibility of water retention.
- FIG. 11 is a cross-sectional view showing a
- FIG. 12 is a cross-sectional view showing a state in which the solar cell module main body according to the fourth embodiment of the present invention is attached to the frame structure. Therefore, in the present invention, as shown in FIG. 12, the protrusions 6-6 are provided at both ends of the gasket 6E having a substantially U-shaped cross section, and the positions of the frame structure 8 and the solar cell module body 12 are provided by the protrusions 6-6. Was decided.
- FIG. 13 is a cross-sectional view showing a solar cell panel 11 according to the fifth embodiment of the present invention.
- the solar cell panel 11 includes a solar cell module body 12, a gasket 6F having a U-shaped cross section attached to the peripheral edge thereof, and a frame structure 13 that supports the solar cell module body 12 via the gasket 6F. It is composed of
- the solar panel 11 is often installed with the light-receiving surface 12-1 facing vertically upward, but it may be installed on the wall surface of the building in the horizontal direction.
- the surface opposite to the light receiving surface of the solar cell module body 12 is the back surface 12-2.
- the frame structure 13 is formed by a female fitting portion 13-1 having a fitting groove 13-7 having a substantially rectangular cross section and a leg portion 13-2 having an L-shaped cross section.
- the drainage hole 13-3 formed in the female fitting portion 13-1 has a first opening on the inner surface 13-6 facing upward of the fitting groove 13-7.
- the female fitting part 13-1 penetrates downward, and the female fitting part 13-1 faces downward and has a second opening on the outer surface 13-11.
- the leg portion 13-2 extends downward from the outer surface 13-11 facing downward of the female fitting portion 13-1, and the side portion 13-2-1 and side portion 13—
- the lower end force of 2-1 is also formed from a bottom surface portion 13-2-2 extending inward of the frame structure 13.
- the side surface portion 13-2-1 is joined to the outer surface 13-11 facing downward in the frame structure 13 rather than the position where the second opening of the drain hole 13-3 is provided. .
- drain holes 13-4 and 13-5 are formed in the side surface portion 13-2-1 and the bottom surface portion 13-2-2, respectively. Then, the solar cell plate body 12 is inserted into the fitting groove 13-7 to be fitted with the female fitting portion 13-1 via the gasket 6F.
- the position of the second opening of the drain hole 13-3 formed in the female fitting portion 13-1 is such that the side surface portion 13-2-1 is joined to the female fitting portion 13-1. ! It is outside of the position to beat. Therefore, the water that has entered the fitting groove 13-7 through the light receiving surface 12-1 or the back surface 12-2 of the solar cell module body 12 can be drained to the outside of the solar cell panel 11. Further, since the drain holes 13-4 and 13-5 are formed in the side surface portion 13-2-1 and the bottom surface portion 13-2-1, the solar cell module body 12 and the leg portion 13-2 are connected to each other. The water present in the space surrounded by the letter is drained to the outside of the solar panel 11. This prevents moisture from entering the solar cell module body 12.
- FIG. 14 is a cross-sectional view showing an example of a state in which a plurality of solar cell panels according to the fifth embodiment of the present invention are installed side by side.
- the second opening of the drain hole 13-3 of the solar battery panel 11 is provided in the outer surface 13-11 facing downward, so the second opening of the drain hole 13-3 is It is not blocked by the adjacent solar panel 21.
- a step is provided between the outer surface 13-8 of the female fitting portion 13-1 and the outer surface 13-9 of the side surface portion 13-2-1. It is located inside the frame structure 13 rather than the outside surface 13-8. For this reason, the drain holes 13-4 are not blocked by the adjacent solar cell panel 21. Therefore, as shown by the arrow in FIG. 14, the space surrounded by the U-shape by the solar cell module body 12 and the legs 13-2 and the water inside the fitting grooves 1 3-7 are Drained into the space between solar panels 11 and 21. This prevents moisture from entering the solar cell module body 12.
- FIG. 15 is a cross-sectional view showing a state in which the solar cell panel according to the fifth embodiment of the present invention is installed on the gantry 14.
- the gantry 14 has an L-shaped cross section formed of a side surface 14-1 and a bottom surface 14-1.
- the solar cell panel 11 is installed with the female fitting portion 13-1 and the bottom surface portion 13-2 in contact with the side surface portion 141 and the bottom surface portion 142 of the gantry 14, respectively. Also in this case, the drain holes 13-3 and 13-4 are not blocked by the gantry 14. For this reason, as shown by arrows in FIG. 15, the space surrounded by the U-shape by the solar cell module body 12 and the legs 13-2 and the water in the fitting grooves 13-7 is the solar cell. Drain into the space between panel 11 and mount 14. This prevents moisture from entering the solar cell module body 12.
- FIG. 16 is a cross-sectional view showing a solar cell panel according to the sixth embodiment of the present invention.
- the peripheral edge of the solar cell module body 12 is inserted to the back of the fitting groove 13-7.
- the connecting portion 6-3 of the gasket 6F and the connecting portion 6-3 are opposed to each other. It is also possible to adopt a configuration in which a space is provided behind the fitting groove 13-7 by separating the bottom surface 13-10 of the fitting groove 13-7.
- connection portion 6-3 and the bottom surface 13-10 of the fitting groove 13-7 are separated to be fitted.
- Te is Hamagomizoe 3 7 inside water is difficulty staying in, ⁇ Ru been made with the structure.
- a gasket 6E having projections 6-6 is used to position the solar cell module body with respect to the frame structure.
- FIG. 17 is a cross-sectional view showing a solar cell panel according to the seventh embodiment of the present invention.
- a female fitting portion 23- shown in FIG. It is configured with 1.
- the fitting groove 23-7 formed on the female fitting part 23-1 is bent in a downward direction and the cross-section is L-shaped. I am doing.
- the drain hole 23-3 formed in the female fitting portion 23-1 is connected to the first inner surface 23-6 facing the back of the fitting groove 23-7. It has an opening, penetrates the female fitting 23-1 downward, and has a second opening on the outer surface 23-11 facing downward of the female fitting 23-1. is doing.
- the lower side portion 6-2 of the gasket 6F and the inner surface 23-6 facing upward are separated from each other, and a space is formed therebetween.
- FIG. 18 is a cross-sectional view showing a solar cell panel according to the eighth embodiment of the present invention.
- the peripheral edge portion of the solar cell module body 12 is inserted to the back of the fitting groove 23-7.
- the connecting portion 6-3 of the gasket 6F is opposed to the connecting portion 6-3. It is also possible to have a configuration in which a space is provided behind the fitting groove 13-7 by separating the bottom face 23-10 of the fitting groove 23-7 that turns.
- the frame structure may be manufactured by extrusion molding or press molding. By adopting such a manufacturing method, it becomes possible to mass-produce solar cell panels at a low price.
- the structure of the solar cell panel is simplified and the manufacture is facilitated. Further, when the solar cell module body is attached to the frame structure via the gasket, a solar cell panel having a structure in which water does not stay inside is achieved.
- the solar cell module body can be positioned at a specified position with respect to the frame structure.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006800554792A CN101501865B (zh) | 2006-09-29 | 2006-09-29 | 太阳电池面板 |
EP06810933A EP2068374A1 (en) | 2006-09-29 | 2006-09-29 | Solar cell panel |
US12/374,199 US20090165843A1 (en) | 2006-09-29 | 2006-09-29 | Solar panel |
KR1020097000858A KR101050010B1 (ko) | 2006-09-29 | 2006-09-29 | 태양 전지 패널 |
PCT/JP2006/319569 WO2008041298A1 (en) | 2006-09-29 | 2006-09-29 | Solar cell panel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2006/319569 WO2008041298A1 (en) | 2006-09-29 | 2006-09-29 | Solar cell panel |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2008041298A1 true WO2008041298A1 (en) | 2008-04-10 |
Family
ID=39268164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/319569 WO2008041298A1 (en) | 2006-09-29 | 2006-09-29 | Solar cell panel |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090165843A1 (ja) |
EP (1) | EP2068374A1 (ja) |
KR (1) | KR101050010B1 (ja) |
CN (1) | CN101501865B (ja) |
WO (1) | WO2008041298A1 (ja) |
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JP2012518905A (ja) * | 2009-02-24 | 2012-08-16 | サンパワー コーポレイション | 太陽電池モジュール及び太陽電池モジュールが相互連結されたスタック |
US8822812B2 (en) | 2009-02-24 | 2014-09-02 | Sunpower Corporation | Photovoltaic module and interlocked stack of photovoltaic modules |
JP2015109797A (ja) * | 2009-02-24 | 2015-06-11 | サンパワー コーポレイション | 太陽電池モジュール及び太陽電池モジュールの配列物 |
KR101048664B1 (ko) * | 2009-03-30 | 2011-07-14 | 한국철강 주식회사 | 광기전력 장치 |
Also Published As
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CN101501865B (zh) | 2012-09-26 |
KR20090033442A (ko) | 2009-04-03 |
EP2068374A1 (en) | 2009-06-10 |
US20090165843A1 (en) | 2009-07-02 |
KR101050010B1 (ko) | 2011-07-19 |
CN101501865A (zh) | 2009-08-05 |
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