• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Solar panel (100), comprising an at least partially transparent frontal element (110), coupled to a second rear concave portion (120) forming a tank suitable for containing a photoconverter element (500) able to transform the energy coming from the solar radiation when passing through the said frontal element (110) planar and incident on a sensitive surface of the said photoconverter element (500), in another form of energy; the said solar panel (100) is characterized in that it comprises a peripheral window (450), extending at least partially along a portion substantially close to the perimeter of the said front element (110), the said peripheral window realizing a correct display means and completeness of physical coupling between said concave rear portion (120) and said planar front element (110). The present invention also relates to the method of production and assembly of said solar panel.
    公开号:CH710776A2
    申请号:CH00249/15
    申请日:2015-02-25
    公开日:2016-08-31
    发明作者:Achermann Alessandro；Carpa Mauro
    申请人:Solar-Tec Sa；
    IPC主号:
    专利说明:

    Field of invention
    [0001] The present invention relates to the field of luminous conversion devices in energy and / or heat, and in detail it relates to a solar panel.
    Technical Note
    [0002] It is known that there are solar panels capable of producing hot water and / or electric current following their radiation by solar rays. Such solar panels are typically installed in homes or in buildings in temperate zones or at lower latitudes, where the use of devices designed to draw energy from solar lighting is still convenient. In particular, the solar panels are installed on the roofs of the houses, and where the roof has several pitches, they are installed on the south-facing pitch or more near the southern cardinal, so as to enjoy the maximum possible solar radiation.
    [0003] Typically the solar panels are oriented in such a way as to have an inclination such as to be able to absorb the maximum amount of solar rays especially near the midday, time of time where the presence of solar rays is maximum. In this case the solar panel should be theoretically illuminated with solar rays incidentally on its surface in an orthogonal way; this brings maximum efficiency.
    [0004] Known solar panels comprise a plate made of at least partially transparent material, positioned frontally, and a tank, mechanically joined to said plate, positioned at the rear.
    [0005] According to the present description reference will be made to "frontally" indicating those portions of solar panel that are directly exposed to sunlight and "posteriorly" to those portions of solar panel that are not on the contrary directly exposed to sunlight , and that in use represent the portions closest to the roof when the solar panel is installed there.
    [0006] The real convector element is located within the tank, which transforms the light energy coming from the sun into thermal energy.
    [0007] The convector element is typically placed below the front portion for a distance of about 3–4 centimeters, which can also go down to 2.
    [0008] The front portion is joined to the tank by gluing, which must be complete and clean in order to prevent environmental impurities from being placed within the tank on the convector element, reducing the efficiency of the solar panel itself.
    [0009] However, the gluing is difficult to control, in particular when the front portion has a silkscreened edge.
    [0010] The Applicant has further observed that the incidence of the solar ray on the front portion, if not perpendicular to the latter, can lead to a reduction in the efficiency of the panel itself, in particular where a serigraphy is present.
    [0011] Since the peripheral screen-printing of the front portion, which is typically made like a glass plate, is due at least for aesthetic purposes since this hides the visibility of the bonding, the problem of reducing the conversion efficiency is considerable, in particular for large angles of incidence.
    [0012] The object of the present invention is therefore to describe a solar panel that solves the disadvantages described above.
    Summary of the invention
    [0013] According to the present invention, therefore, a solar panel is provided, comprising an at least partially transparent planar front element, coupled to a second concave rear portion forming a tank suitable for containing a photoconverter element suitable for transforming the energy coming from solar radiation when passing through said planar frontal element and incident on a sensitive surface of said photoconverter element, in another form of energy;the said solar panel is characterized in that it comprises a peripheral window, extending at least partially along a portion substantially close to the perimeter of the said front element, the said peripheral window realizing a means of displaying correctness and completeness of physical coupling between the said concave rear portion and said planar front element.
    [0014] In one aspect of the present invention, the said solar panel is characterized in that the said peripheral window is formed within or near a perimetral portion screen-printed and / or painted and / or covered with the said front element.
    [0015] In a further aspect of the present invention, the said peripheral window identifies the said correctness and completeness of physical coupling between the said concave rear portion and the said planar front element by color contrast.
    [0016] Advantageously, said second rear portion comprises a planar perimetral edge portion in use arranged on a plane parallel to the plane along which said front element lies and in which said planar perimetric edge portion comprises a long extending recess the perimeter of said perimetric edge portion; the said recess being filled with a fluid gluing material identifying a color contrast with the said perimeter portion screen-printed, since it appears through the perimeter window. In detail, said recess is arranged at a distance from the end of said rear portion equal to the distance at which said peripheral window is placed with respect to the end of the front element, said peripheral window being superimposed on said recess.
    [0017] In a further aspect of the present invention, the said perimetral portion screen-printed and / or painted and / or covered has a discontinuous internal profile, realized at least at the main sides of the said front element by a linear juxtaposition of a sequence of a first convex portion in which said perimetral portion screen-printed and / or painted and / or covered extends more towards an internal area of said front element and a second concave portion, wherein said perimetral portion is silk-screened and / or painted and / or covered it extends less towards the said internal area.
    [0018] In a further aspect of the present invention, the said solar panel is characterized in that the said perimetral portion screen-printed and / or painted and / or covered has angular connection portions inclined with respect to the sides of the said front element.
    [0019] According to the present invention there is further described a method for producing and assembling a solar panel with verification of correct coupling between a front element and a rear portion thereof; the said mounting method is characterized in that it comprises an overlapping step of the said front element with the said rear portion, the said overlapping step being carried out following an installation step of a photoconverter element within the said rear portion, and wherein said overlapping step is carried out following the application of a glue in a peripheral recess formed on a peripheral edge portion of said rear portion, said peripheral edge portion being parallel to the plane on which said element lies frontal, and is further achieved by matching the glue-filled peripheral recess with a peripheral control window present along a portion substantially close to the perimeter of said front element.
    [0020] Advantageously, the said method comprises a preventive step for producing a silk-screen and / or painting and / or covering of the said portion substantially close to the perimeter of the said front element, in which the said peripheral window is formed so as to include it in the screen-printed and / or painted and / or covered area or to position the said peripheral window in the vicinity of the said screen-printed and / or painted and / or covered area. Advantageously, the said step of affixing a glue in the said recess is performed by pouring or injecting an adhesive having a color contrasting with the color present on the said portion substantially close to the perimeter of the said front element.
    [0021] Advantageously, the said method further comprises a step of verifying a continuity of presence of color contrast between the said peripheral window and the said portion substantially close to the perimeter of the said front element, the said step of checking the said continuity of presence of color contrast, representing an insulation and correct sealing test between said front element and the rear portion of said solar panel. Advantageously, the said method comprises a step of making the said screen printing and / or painting and / or covering of the said peripheral portion of the said front element comprises a step for creating a discontinuous internal profile, made at least at the main sides of the said element front through a linear juxtaposition of a sequence of a first convex portion in which the said perimetral portion screen-printed and / or painted and / or covered extends more towards an internal area of the said front element and a second concave portion, in which the said portion perimeter screen-printed and / or painted and / or covered it extends less towards the said internal area.
    [0022] Advantageously, the said method further comprises a step for making inclined connecting corner portions made at the said perimetral portion screen-printed and / or painted and / or covered.
    Description of the figures
    [0023] The invention will now be described in one or more preferred and non-limiting embodiments with reference to the appended figures in which:fig. 1 <SEP> shows a front view of a solar panel object of the present invention;fig. 2 <SEP> shows a side view of the solar panel of fig. 1;fig. 3 <SEP> illustrates a detail in section of said side view;fig. 4 <SEP> illustrates a plan detail of a rear portion of the panel of the present invention;fig. 5 <SEP> illustrates a front view of the solar panel object of the present invention which shows a discontinuous screen printing which allows to maximize the irradiation of the photoconverter below;fig. 6 <SEP> illustrates a detail of said screen printing;fig. 7 <SEP> shows a partial three-dimensional view of the exploded panel of the present invention;fig. 8 and fig. 9 <SEP> illustrate two schematic representations of lighting of a photoconverter element in two different panel portions, represented by the lines III – III and IV – IV.
    Detailed description of the invention
    [0024] With reference to the annexed figures, with the reference number 100 a solar panel is indicated as a whole.
    [0025] The solar panel 100 is able to be installed on dwellings, and in particular at roofs or other building portions, to easily radiate from the sun in order to be able to produce hot water and / or electricity through a photoconverter element 500, which it can be made from a coil in which water flows or still be a photovoltaic panel. Preferably though not limitedly, the solar panel 100 object of the present invention is made in a rectangular shape.
    [0026] In detail, the solar panel 100 object of the present invention comprises a planar front element 110, preferably made but not limited by means of a glass plate for example stratified, and a rear portion 120 in the form of a tub, which has a concavity suitable for containing inside said said photoconverter element 500, so that it does not protrude in the direction of height with respect to an upper edge of the rear portion 120.
    [0027] On the contrary, the photoconverter element 120 is contained inside the tank formed by the rear portion lying at a predefined height with respect to the edge thereof. This height, preferably but not limited to 2 cm, is calculated so as to leave a passage of air sufficient for assembly and partial cooling of the same when the panel is assembled.
    [0028] In fact, the planar front element 110 and the rear portion 120 are assembled so as to be superimposed on one another, enclosing the photoconverter element 500 in an environment sealed from the external environment and communicating with the latter only through feed fittings 140 positioned laterally on the rear portion.
    [0029] The rear portion 120 has a planar edge 130, which is designed to lie on a plane parallel to the plane on which the frontal element 110 lies. This planar edge 130 therefore forms a peripheral edge portion of the rear portion 120 of the solar panel 100 able to allow the air-tight and liquid coupling between the front element 110 and the rear portion 120 by means of a plane-plane adhesion which will be better described in the subsequent portion of description.
    [0030] In detail, a recess 150 is formed in said planar edge 130. This recess, in a preferred and non-limiting embodiment of the solar panel 100 object of the present invention, extends along the entire perimeter of the edge 130, and is arranged to a predefined distance with respect to the outer ends of the edge portion 130 so as to be parallel to the sides of the solar panel 100. Most of the front element 110 is transparent, in order to be able to allow the solar rays to engrave on the photoconverter element 500 underlying for the transformation of solar radiation into another form of energy (heat or electric current).
    [0031] In particular, however, not all the front element 110 is transparent. Precisely because of the coupling of the latter with the rear portion 120, which as will be described in greater detail below is achieved by gluing, the front element 110 has a perimeter portion 110p colored and not transparent, in order to cover the view unsightly appearance of bonding. Therefore, the perimetral portion 110p, which extends towards the interior or center of the front element 110 for a predetermined transversal extension along the sides, is characterized by a serigraphy or painting or covering, which preferably but not limitedly are made on the rear face of the front element 110, that is the face which in use is then coupled with the rear portion 120 of the panel itself.
    [0032] In detail, this serigraphy or painting or covering is made with a dark color. However, this feature is not intended to be limited. At the said screen printing or painting or covering, a peripheral window 450 is made, which has a dual function:allow to verify the continuity of the bonding between the front element and the rear portion of the solar panel 100; isto provide an aesthetic aspect of the frame itself.
    [0033] For this reason, the peripheral window 450 is made either inside the colored perimeter portion 110p, and therefore inside the silk-screen / varnishing or covering, or in substantial proximity thereof, therefore lying slightly more inward than to said perimeter portion 110p. In particular, the annexed figures refer to an embodiment in which the peripheral window 450 is included in the silk-screened area. Consequently, at the peripheral window 450, the serigraphy / painting / covering of the front element 110 is missing, thus leaving the transparency of the glass exposed.
    [0034] In any case the peripheral window 450, which extends parallel to the four sides of the solar panel so as to preferably form although not limited to a rectangular frame, is at such a distance from the edge of the same as to result in exact overlap with the recess 150 present on the planar edge portion 130 of the rear portion of the panel. Consequently, by observing the solar panel frontally it is possible to see the said recess through the peripheral window 450.
    [0035] As will be described below, therefore, the peripheral glazing is a means of displaying correctness and completeness of physical coupling between said rear portion and the planar front element capable of speeding up and certifying the correct sealing between the two elements.
    [0036] Furthermore, the front element 110 has a serigraphy / varnish or peripheral cover with a peculiar appearance. In particular, the serigraphy / painting / covering of the peripheral portion 110p of the front element 110 assumes a discontinuous profile.
    [0037] As shown in Figs. 5 and 6 in particular, the silk-screen / varnish / covering profile is made at least at the main sides of the said front element 110 by linearly juxtaposing a sequence 200 of discontinuous sections of which a first section 240 is convex and oriented towards the center and a second section 230, juxtaposed to the first section 230, is instead concave.
    [0038] Therefore, having identified a median axis X of distance from the edge, axis which is parallel to the side, the first convex sections 240 lie beyond said median axis X towards the interior or center of the front element 110 and the second concave sections remain instead on the opposite side of said axis.
    [0039] In particular, moreover, each section comprises a rectilinear portion parallel to the side and a portion inclined with respect to the junction side with the immediately consequent portion.
    [0040] At the corners, the perimetral portion which is screen-printed / painted or covered also has angular connection portions inclined with respect to said sides, preferably but not limitedly with an inclination equal to 45 °.
    [0041] As previously mentioned during the assembly phase, the solar panel 100 object of the present invention sees first of all a first deposition step of the photoconverter element 500 inside the tank realized in the rear portion 130.
    [0042] Following the deposition, the said photoconverter element 500 is conveniently fixed by mechanical fixing means of a known type. Parallel to or previously, the glass plate which realizes the front element 110 is screen-printed or painted or covered at the perimeter portion 110p, taking care to leave the area that will be the object of the peripheral window free of silk-screen or paint or in any case cover 450. Subsequently, with silk-screen printing carried out, as already mentioned preferably and not limitedly on the inner face of the front element 110, a step of deposition or injection of the glue is carried out within the recess 150. This deposition step must lead to a deposition the more possible uniform of the said glue, which must have a color contrasting with that of the serigraphy / painting / covering of the perimeter portion 110p so as to be able to advantageously achieve both the aesthetic effect and the effect of visual verification of correct assembly of the front element with the rear portion of the solar panel 100 object of the present invention. In particular, the quantity of glue that must be injected or in any case introduced into the recess 150 is such as to allow not only its filling but also a slight overflow, so that the glue itself, following the overlapping step of the front element 110 on the portion rear 120, extend in correspondence with the edge portion 130 coplanar with the front element 110 realizing an optimal sealing.
    [0043] The visual uniformity of the color contrast between the peripheral window 450 and the silk-screen printing therefore makes it easy to recognize if the assembly has been successful and therefore if the photoconverter element 500 is effectively isolated from the external environment.
    [0044] Advantageously, the color uniformity can also be detected through electronic analysis processes carried out for example and not limitedly by means of cameras connected to electronic processors.
    [0045] Through the discontinuous profile screen printing it is possible to realize an increase of illumination of the end portions of the photoconverter element 500 in case of irradiation with non-orthogonal incidence.
    [0046] On the one hand, the existence of a screen-printing partially covering the end portions of the said photoconverter element 500 is necessary given the type of assembly.
    [0047] Equally true is that the photoconverter element 500, not being coplanar or substantially coplanar with the supporting surface of the front element 110, is subjected at the ends to the projection parallax of the solar ray. As shown in figs 8 and 9, in the portions 230 where the radius incides with a strong incidence (even up to 45 °) with respect to the vertical, there is a considerable
    [0048] increase of the area of illuminable below, without neglecting the effect of covering the visibility of the area of separation between the photoconverter element 500 and the tank which is in any case partially guaranteed by the portions 240 of profile which are convex towards the inside of the front element. The Applicant has observed that a proportion of equal length between the first concave parts and the second convex parts represents the optimum from the point of view of the increase of the peripheral illumination of the photoconverting element 500 in relation to the concealment coefficient of said zone of separation. However, proportions between 40% and 60% between the length of the first concave parts and the second convex parts are acceptable.
    [0049] The advantages of the solar panel of the present invention are clear in the light of the preceding description. It allows, during assembly, to speed up and optimize a quality control of insulation and gluing of the front element on the rear portion; on large production numbers this allows a considerable saving of time and man-hours with an increase in the guarantee of operation, especially over the long period of the panel itself. Nevertheless, when the color contrast between the window and the screen printing is continuous and constant, it is possible to deduce a correct gluing and therefore a risk of minimum detachment of the front element. Through the assembly formed by the serigraphy with a discontinuous internal profile and the peripheral windows, a particularly pleasant aesthetic effect is achieved.
    [0050] Finally, it is clear that the object of the present invention can be applied to additions, modifications or obvious variants for a person skilled in the art, without thereby departing from the scope of protection provided by the annexed claims.
    权利要求:
    Claims (13)
    [1]
    1. Solar panel (100), comprising an at least partially transparent frontal element (110), coupled to a second rear concave portion (120) forming a tank suitable for containing a photoconverter element (500) able to transform the energy coming from the solar radiation when passing through the said front element (110) planar and incident on a sensitive surface of the said photoconverter element (500), in another form of energy;the said solar panel (100) is characterized in that it comprises a peripheral window (450), extending at least partially along a portion substantially close to the perimeter of the said front element (110), the said peripheral window realizing a correct display means and completeness of physical coupling between said concave rear portion (120) and said planar front element (110).
    [2]
    2. Solar panel according to claim 1, characterized in that said peripheral window (450) is made within or near a perimetral portion (100p) screen-printed and / or painted and / or covered with said front element (110).
    [3]
    3. Solar panel according to claim 2, wherein said peripheral window (450) is transparent and identifies said correctness and completeness of physical coupling between said concave rear portion (120) and said planar front element (110) by color contrast .
    [4]
    4. Solar panel according to any one of the preceding claims, in which the said second rear portion (120) comprises a planar perimetric edge portion (130) in use arranged on a plane parallel to the plane along which the said front element ( 110) and wherein said planar perimetric edge portion (130) comprises a recess (150) extending along the perimeter of said perimetric edge portion; the said recess (150) being filled with a fluid bonding material identifying a color contrast with the said screen-printed peripheral portion (11 Op) by appearance on the said perimeter window (450).
    [5]
    5. Solar panel according to claim 4, wherein said recess (120) is arranged at a distance from the end (120e) of said rear portion (120) equal to the distance at which said peripheral window is placed with respect to the end of the front element, the said peripheral window (450) being superimposed in use on the said recess (150).
    [6]
    6. Solar panel according to any one of the preceding claims, in which the said peripheral portion (110p) screen-printed and / or painted and / or covered has a discontinuous internal profile, realized at least at the main sides of the said front element (110) by means of a linear juxtaposition of a sequence (200) of a first convex portion (230) in which the said perimetral portion screen-printed and / or painted and / or covered extends more towards an internal area of the said front element (110) and a second portion concave (240), wherein said perimetral portion screen-printed and / or painted and / or covered extends less towards said internal area.
    [7]
    7. Solar panel according to any one of the preceding claims, characterized in that said perimetral portion (110p) screen-printed and / or painted and / or covered has angular connection portions (250) inclined with respect to the sides of said front element (110) .
    [8]
    8. Method for producing and assembling a solar panel (100) with verification of correct coupling between a front element (110) and a rear portion thereof (120); the said production and assembly method is characterized in that it comprises an overlapping step of the said front element (120) with the said rear portion (130), the said overlapping step being carried out following an installation step of an element photoconverter (500) within said rear portion (120), and in which said overlapping step is performed following the application of a glue in a peripheral recess (150) formed on a peripheral edge portion (130) of said rear portion (120), said peripheral edge portion being parallel to the plane on which said front element (110) lies, and is further achieved by matching the peripheral recess (140) filled with adhesive with a peripheral window (450) control present along a portion substantially close to the perimeter (110p) of said front element (110).
    [9]
    9. Method according to claim 8, comprising a preventive step for making a silk-screen and / or painting and / or covering (110s) of said portion substantially close to the perimeter (110p) of said front element (110), in which it is made the said peripheral window (450) in such a way as to include it in the screen-printed and / or painted and / or covered area (110s) or to position the said peripheral window in the vicinity of the said screen-printed and / or painted and / or covered area.
    [10]
    10. Method according to claim 8 or claim 9, wherein said step of affixing a glue in said recess (140) is performed by pouring or injecting an adhesive having a color contrasting with the color present on said portion substantially close to the perimeter (110p) of said front element (110).
    [11]
    11. Method according to any one of claims 8-10, further comprising a step of verifying a continuity of presence of color contrast between said peripheral window (450) and said portion substantially close to the perimeter of said front element (110), said step of verifying said continuity of presence of color contrast representing an insulation verification test and correct sealing between said front element and the rear portion of said solar panel.
    [12]
    12. The method according to any one of the preceding claims 8-11, further comprising a step of making said screen printing and / or painting and / or covering (110s) of said perimetral portion (110p) of said front element (110) comprises a step of creating a discontinuous internal profile for said screen printing and / or painting and / or covering, in which the said discontinuous internal profile is made at least at the main sides of the said front element by a linear juxtaposition of a sequence (200) of a first convex portion (230) in which the said perimetral portion screen-printed and / or painted and / or covered extends more towards an internal area of the said front element (110) and a second concave portion (240), in which the said portion perimeter screen-printed and / or painted and / or covered it extends less towards the said internal area.
    [13]
    13. Method according to any one of the preceding claims, characterized in that it further comprises a step for making angular connecting portions (250) made at the said perimetral portion screen-printed and / or painted and / or covered.
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    同族专利:
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CH00249/15A|CH710776B1|2015-02-25|2015-02-25|Solar panel and associated production method.|CH00249/15A| CH710776B1|2015-02-25|2015-02-25|Solar panel and associated production method.|
    EP16156079.2A| EP3064862A1|2015-02-25|2016-02-17|Solar panel and production method thereof|
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