• 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:
    The invention relates to a device for securing photovoltaic modules, and a solar tracker that comprises said securing device, which comprises a body (2) that has a bottom (2.1) with first openings (2.3) and at least one tab (3) for contact with a photovoltaic module (1); a mounting (4) for contact with the photovoltaic module (1) and a rotation pin (7) of a solar tracker, which has a base (4.1) with second openings (4.3); a plate (6) for contact with the rotation pin (7); and clamping means configured to pass through the first openings (2.3) and the second openings (4.3). When in use, the photovoltaic module (1) is retained between the at least one tab (3) of the body (2) and the base (4.1) of the mounting (4), and the rotation pin (7) is retained between the mounting (4) and the plate (6).
    公开号:ES2740049A2
    申请号:ES201990091
    申请日:2017-07-10
    公开日:2020-02-05
    发明作者:Molinero Abraham Ruiz；Ayarza Jose Ignacio Lopez
    申请人:Nclave Renewable SL；
    IPC主号:
    专利说明:

    [0001]
    [0002] PHOTOVOLTAIC MODULE FIXING DEVICE
    [0003]
    [0004] Technical sector
    [0005]
    [0006] The present invention is related to the industry dedicated to the collection of solar energy, and more specifically to the industry dedicated to fixing photovoltaic modules on axis of rotation of solar trackers.
    [0007]
    [0008] State of the art
    [0009]
    [0010] At present, solar trackers are widely known, which include photovoltaic modules to capture solar energy. These photovoltaic modules are usually arranged on land, with their orientation modifiable according to the position of the sun at all times.
    [0011]
    [0012] The photovoltaic modules are arranged high with respect to the terrain through the use of posts. Bearings are placed at an upper longitudinal end of said posts, said bearings being crossed by rotation axes. The photovoltaic modules are arranged with respect to said rotation axes so that the spatial orientation of the rotation axes is varied, thanks to the bearings, the spatial orientation of said photovoltaic modules is also varied.
    [0013]
    [0014] In the current market photovoltaic modules are available according to different thicknesses. Accordingly, a rail is additionally used as a connecting element between the photovoltaic modules and the rotation axes. In this way, an additional part with at least one flange for contacting one of the photovoltaic modules is arranged screwed to said rail according to the thickness of the corresponding photovoltaic modules while at the same time independently and additionally said rail is fixed to the axis of rotation by means of another threaded element.
    [0015]
    [0016] Another conventionally employed solution is to have the rail sized according to the photovoltaic module to be installed so that said photovoltaic module is directly screwed to the rail, while said rail is screwed to the corresponding axis of rotation.
    [0017] Both solutions involve employing a high number of elements and a complexity that results in an increase in the time required for fixing the photovoltaic modules, in addition to an extra cost which is of special relevance given the high number of units of the photovoltaic modules to be installed in each installation.
    [0018]
    [0019] In view of the described disadvantage or limitation that present solutions presently present, a solution is necessary to simplify the work of fixing the photovoltaic modules, while providing adaptability with respect to the dimensions and / or configuration of said photovoltaic modules, and more specifically the thickness of them.
    [0020]
    [0021] Object of the invention
    [0022]
    [0023] In order to meet this objective and solve the technical problems discussed so far, in addition to providing additional advantages that can be derived later, the present invention provides a device for fixing photovoltaic modules, comprising a body that has a bottom with first holes and at least one tab to contact a photovoltaic module; a support for contacting the photovoltaic module and a rotation axis of a solar tracker, which has a base with a few second holes; a plate to contact the axis of rotation; and tightening means configured to pass through the first holes and the second holes. Accordingly, in use, the photovoltaic module is retained between the at least one flange of the body and the base of the support, while the axis of rotation is retained between the support and the plate.
    [0024]
    [0025] In this way, the fixing device adjusts to the photovoltaic modules regardless of their thickness when treating the body and the support of two independent pieces but joined by the same means of tightening given the insertion of these through the first holes and the second holes. In addition, both this adjustment and its fixation on the axis of rotation are carried out by a small number of elements.
    [0026]
    [0027] Preferably, there are two eyelashes projecting from a first side of the body, and more preferably the body additionally has two of the eyelashes projecting by A second side of the body. In this way the contacts provided by the fixing device with the photovoltaic modules are increased. Alternatively, there are two tabs, each projecting one of the sides and covering the longitudinal extension of the body. In this way the contact surface provided by the fixing device is increased.
    [0028]
    [0029] The support preferably has wings with a recess for receiving the axis of rotation. This improves the adjustment in the contact between the support and the axis of rotation.
    [0030]
    [0031] The clamping means comprise elongate elements insertable through the first holes and the second holes. The plate, on the other hand, preferably has third holes through which the elongated elements are inserted.
    [0032]
    [0033] According to an embodiment, the elongated elements are head screws. According to another exemplary embodiment, the clamping means comprise an intermediate section connecting the elongated elements to each other.
    [0034]
    [0035] The present invention additionally provides a solar tracker comprising the device for fixing photovoltaic modules also object of the invention. Preferably, the solar tracker comprises the axis of rotation, the latter having two faces parallel to each other, one to be arranged in contact with the support, and more preferably with the recesses, and another to be arranged in contact with the plate. Thus, the fixation of the device of the invention is optimized on the axis of rotation, the device being prevented from rotating on the axis of rotation. Preferably, the axis of rotation additionally comprises two lateral faces, perpendicular to the two anterior faces, to be arranged parallel to the elongate elements.
    [0036]
    [0037] Description of the figures
    [0038]
    [0039] Figure 1 shows a bottom perspective view of a device for fixing photovoltaic modules object of the invention with tabs.
    [0040]
    [0041] Figure 2 shows a top perspective view of the photovoltaic module fixing device of Figure 1, showing that there are four tabs.
    [0042] Figure 3 shows a side view of the photovoltaic module fixing device object of the invention, four of the tabs it has.
    [0043]
    [0044] Figure 4 shows a front view of the photovoltaic module fixing device of Figure 3.
    [0045]
    [0046] Figure 5 shows a perspective view of several of the photovoltaic module fixing devices object of the invention, four of the tabs they have being exploded according to a moment prior to their placement in a rotation axis, including a expanded detail of one of the photovoltaic module fixing devices.
    [0047]
    [0048] Figure 6 shows a perspective view of several of the photovoltaic module fixing devices object of the invention, four of the tabs they have being placed on the axis of rotation, including an enlarged detail of one of the fixing devices of photovoltaic modules.
    [0049]
    [0050] Figure 7 shows a bottom perspective view of several of the photovoltaic module fixing devices object of the invention, four of which have tabs, these being placed by fixing photovoltaic modules on the rotation axis, including an enlarged detail of one of photovoltaic module fixing devices.
    [0051]
    [0052] Figure 8 shows a view of two of the photovoltaic module fixing devices object of the invention, four of the tabs they have, placed by fixing several of the photovoltaic modules on the axis of rotation.
    [0053]
    [0054] Figure 9 shows a bottom perspective view of the photovoltaic module fixing device object of the invention, with two tabs it has.
    [0055]
    [0056] Figure 10 shows a top perspective view of the photovoltaic module fixing device of Figure 9.
    [0057]
    [0058] Figure 11 shows a side view of the device for fixing photovoltaic modules object of the invention, two tabs having.
    [0059] Figure 12 shows a front view of the photovoltaic module fixing device of Figure 11.
    [0060]
    [0061] Figure 13 shows a perspective view of several of the photovoltaic module fixing devices object of the invention, two of the tabs they have being exploded according to a moment prior to their placement in the axis of rotation, including a extended detail of one of the fixing devices of photovoltaic modules with the two tabs.
    [0062]
    [0063] Figure 14 shows a perspective view of several of the photovoltaic module fixing devices object of the invention, two of the tabs they have being placed on the axis of rotation, including an enlarged detail of one of the fixing devices of photovoltaic modules with the two tabs.
    [0064]
    [0065] Figure 15 shows a bottom perspective view of several of the photovoltaic module fixing devices object of the invention, two of which have tabs, these being placed by fixing photovoltaic modules on the rotation axis, including an enlarged detail of one of the devices for fixing photovoltaic modules with the two tabs.
    [0066]
    [0067] Figure 16 shows a view of two of the photovoltaic module fixing devices object of the invention, two of the tabs they have, placed by fixing several of the photovoltaic modules on the axis of rotation.
    [0068]
    [0069] Detailed description of the invention
    [0070]
    [0071] The present invention relates to a device for fixing photovoltaic modules (1), comprising a body (2) having at least one flange (3), a support (4), clamping means and a plate (6) . By means of this fixing device, the photovoltaic modules (1) can be fixed on rotating shafts (7) of solar trackers.
    [0072]
    [0073] The body (2) has a longitudinal extension determined by a "U" shaped cross section defined by a bottom (2.1) and sides (2.2), the sides (2.2) being joined by the bottom (2.1) through a lower part thereof, that is, the bottom (2.1) has a width defined by the separation between the sides (2.2) at its junction to said bottom (2.1). accordingly, the sides (2.2) are arranged so that access to the bottom (2.1) between the two is possible.
    [0074]
    [0075] The bottom (2.1) includes first holes (2.3), preferably two, for insertion of the tightening means. Also, preferably the first holes (2.3) are distributed according to a central longitudinal axis of the bottom (2.1).
    [0076]
    [0077] The body (2) additionally has tabs (3) projecting externally and laterally according to its longitudinal "U" shaped extension. These tabs (3) are located in the body (2), extending so as to distance between yes.
    [0078]
    [0079] According to one option, said tabs (3) have a longitudinal extension smaller than that of the body (2), being located in upper parts, opposite the lower parts, of the sides (2.2). Also, the tabs (3) are located in correspondence with the longitudinal ends of the body (2). Thus, the tabs (3) extend from the sides (2.2) opening, that is, moving away from each other so that access to the bottom (2.1) between the sides (2.2) is free. Accordingly, preferably, there are two tabs (3) that project on a first side of the body (2) and two tabs (3) that project on a second side of the body (2), as is clearly observable for example in Figure 2. The tabs (3) of the first side are spaced apart from each other and the tabs (3) of the second side are spaced apart from each other. In this way, the body (2) provides four points of contact, two for each of the sides thereof, with the photovoltaic modules (1) available in correspondence with the sides of the body (2).
    [0080]
    [0081] According to another option, said tabs (3) have a longitudinal extension equal to that of the body (2), being located in the upper parts of the sides (2.2). In this way, each of the tabs (3) runs along the corresponding side, as can be seen for example in Figure 9. As in the previous option, the tabs (3) extend from the sides (2.2) opening, that is, moving away from each other so that access to the bottom (2.1) between the sides (2.2) is free. Therefore, the body (2) has one of the tabs (3) on each side. Thus, for each of the sides of the body (2) there is a greater contact area with the photovoltaic modules (1) available in correspondence with the sides of the body (2).
    [0082]
    [0083] The support (4) extends longitudinally also with a cross section in shape of "U", inverted with respect to the body (2) according to its mounting arrangement, in which a base (4.1) and wings (4.2) are located, the wings (4.2) being joined by the base (4.1 ) through an upper area thereof, that is, the base (4.1) has a width defined by the separation between the wings (4.2) at its junction to said base (4.1) The width of the base (4.1) is greater than the width of the bottom (2.1), that is, the sides (2.2) are closer to each other than the wings (4.2) to each other.Accordingly, the wings (4.2) are arranged so that between the two the base is accessible (4.1).
    [0084]
    [0085] The base (4.1) includes a few second holes (4.3), preferably two, for insertion of the clamping means. Also, preferably the second holes (4.3) are distributed according to a central longitudinal axis of the base (4.1).
    [0086]
    [0087] The wings (4.2) include a recess (4.2 ’) for receiving the axis of rotation (7). The recesses (4.2 ’) contact a part of the outer contour of the corresponding axis of rotation (7). Accordingly, the recesses (4.2 ') preferably have a complementary or reciprocal shape of said part of the outer contour so that the support (4) is available by engagement in the axis of rotation (7) through the recesses ( 4.2 ').
    [0088]
    [0089] The tightening means are configured to be arranged through the body (2) and the support (4), and more specifically the first holes (2.3) and the second holes (4.3). For this, the clamping means comprise elongated elements (5.1), preferably two, which are configured to be inserted through the first holes (2.3) and the second holes (4.3).
    [0090]
    [0091] The tightening means additionally comprise retaining elements (5.2), one for each of the elongated elements (5.1). These retention elements (5.2) are configured to be arranged in the elongated elements (5.1) so that they exert an axial retention according to the longitudinal extension of the elongated elements (5.1). The elongate elements (5.1) have a threaded end and the retention elements (5.2) have a thread such that said retention elements (5.2) are screwed into said end of the elongated elements (5.1). Preferably, the retaining elements (5.2) are nuts.
    [0092]
    [0093] The plate (6), on the other hand, may have third holes (6.1) for insertion of the elongated elements (5.1). Accordingly, the plate (6) is traversible by the elongated elements (5.1) remaining so that it contacts the axis of rotation (7).
    [0094]
    [0095] According to an example of embodiment, the elongated elements (5.1) in addition to the threaded end have a prominence at the other end, that is to say the elongated elements (5.1) can be configured as screws with heads, the prominences being definable by way of heads
    [0096]
    [0097] In accordance with this exemplary embodiment, in use, the elongate elements (5.1) are arranged inserted through the first holes (2.3), the second holes (4.3) and the third holes (6.1). Additionally, the support (4) through the wings (4.2), and more specifically through the recesses (4.2 ’), is arranged in contact with the axis of rotation (7). Likewise, the plate (6) is arranged in contact with the axis of rotation (7) also crossed by the elongated elements (5.1) between which said axis of rotation (7) is located. At least one of the photovoltaic modules (1) is in contact with the eyelash (3) of the corresponding side of the body (2) and the base (4.1) of the support (4).
    [0098]
    [0099] In accordance with this embodiment as well, in use, the plate (6) is axially retained by the retention elements (5.2), that is to say said retention elements (5.2) press the plate (6) against the axis of rotation ( 7), being larger than the third holes (6.1). In turn, the prominences, larger than the first holes (2.3), are located between the sides (2.2) and in contact with the bottom (2.1).
    [0100]
    [0101] Alternatively, the plate (6) is axially retained by the prominences, that is to say said prominences press the plate (6) against the axis of rotation (7), being larger than the third holes (6.1). In turn, the retention elements (5.2), larger than the first holes (2.3), are located between the sides (2.2) and in contact with the bottom (2.1).
    [0102]
    [0103] In this exemplary embodiment, the degree of screwing of the retaining elements (5.2) determines the degree of tightening exerted on the set described, together by means of the prominences. That is, the more the retaining elements (5.2) are screwed into the elongated elements (5.1), the greater the tightening can be done in the photovoltaic modules (1) directly by the flange (3) and the base (4.1), and Also, the tightening can also be achieved in turn on the axis of rotation (7) directly by the plate (6) and the support.
    [0104] According to another embodiment, the tightening means additionally comprise an intermediate section (5.3) joining the elongate elements (5.1) at an end opposite the threaded end. In this way, the elongated elements (5.1) and the intermediate section (5.3) together have a "U" shape.
    [0105]
    [0106] According to this other embodiment, in use, the elongated elements (5.1) are arranged inserted through the first holes (2.3), the second holes (4.3) and the third holes (6.1). Additionally, the support (4) through the wings (4.2), and more specifically through the recesses (4.2 ’), is arranged in contact with the axis of rotation (7). Likewise, the plate (6) is arranged in contact with the axis of rotation (7) crossed by the elongated elements (5.1) between which said axis of rotation (7) is located. At least one of the photovoltaic modules (1) is in contact with the eyelash (3) of the corresponding side of the body (2) and the base (4.1) of the support (4).
    [0107]
    [0108] In accordance with this other embodiment, in use, the plate (6) is axially retained by the retention elements (5.2), that is to say said retention elements (5.2) press the plate (6) against the axis of rotation (7), being larger than the third holes (6.1). In turn, the intermediate section (5.3) is located on the bottom (2.1). In this way, it is possible to minimize a separation distance between the sides (2.2) of the body (2), thus allowing a minimum separation between the photovoltaic modules (1) arranged facing each side of the body ( two). This is especially important given the high number of photovoltaic modules (1) to be included or installed.
    [0109]
    [0110] Alternatively, the plate (6) constitutes the intermediate section (5.3), or vice versa, that is, the plate (6) is integral with the elongated elements (5.1) joining them together instead of being crossed by them (5.1). In this way, the plate (6) lacks the third holes (6.1). In turn, the retention elements (5.2), larger than the first holes (2.3), are located between the sides (2.2) and in contact with the bottom (2.1).
    [0111]
    [0112] In this other exemplary embodiment, the degree of screwing of the retaining elements (5.2) determines the degree of tightening exerted on the described assembly, together by the intermediate section (5.3). That is, the more the retaining elements (5.2) are screwed into the elongated elements (5.1), the greater the tightening can be done in the modules
    [0113]
    [0114]
    [0115] photovoltaic (1) directly by the eyelash (3) and the base (4.1), and greater is the tightening possible in turn on the axis of rotation (7) directly by the plate (6) and the support.
    [0116]
    [0117] In both exemplary embodiments, the clamping means are configured to exert a tightening on the body (2), the support (4) and the plate (6), each of the photovoltaic modules being pressed by the flange (3). ) and the support (4), and the axis of rotation (7) by the support (4) and the plate (6). In this way, the tightening means are configured to exert said tightening by, in addition to the elongated elements (5.1) and the retaining elements (5.2), other parts, either the prominences or the plate (6), which can act in an additional or alternative way to the intermediate section (5.3).
    [0118]
    [0119] In figures 5 and 6, in addition to figures 13 and 14, the fixing of the fixing device object of the invention to one of the rotation axes (7) of the solar tracker is observable. The axis of rotation (7) is supported by some posts (8), the union between the axis of rotation (7) and the posts (8) being made by means of bearings (9) that allow to vary the orientation of said axis of rotation (7) with respect to the posts (8), and therefore of the photovoltaic modules (1) that are attached to them (7).
    [0120]
    [0121] In this fixation the elongated elements (5.1) are arranged inserted through the first holes (2.3) and the second holes (4.3) grouping the body (2) and the support (4). The supports (4), through the recesses (4.2 ’), are brought into contact with the axis of rotation (7), the axis of rotation (7) being slid between the elongated elements (5.1).
    [0122]
    [0123] Additionally, the plates (6) are crossed by the corresponding elongated elements (5.1), the axis of rotation (7) being located between the supports (4) and said plates (6). Likewise, the retaining elements (5.2) are screwed into the elongated elements (5.1) to adjust the position of the plates (6) along the elongated elements (5.1) so that the tightening that fixes the device of fixing to the axis of rotation (7). In this way, the screwing of the retaining elements (5.2) is done by the lower part so that said work is facilitated to an operator arranged next to the posts (8).
    [0124]
    [0125] In figures 7 and 8, in addition to figures 15 and 16, it is possible to observe the fixing of several of the photovoltaic modules (1) to the axis of rotation (7) shown by the fixing device object of the invention. In this case, unlike the fixation described for Figures 5 and 6, and 13 and 14, the grouping between the body (2) and the support (4) is determined by the thickness of the photovoltaic modules (1). That is, the separation between the tabs (3) and the base (4.1) are a function of the thickness of the photovoltaic modules (1). Accordingly, the fund (2.1) and the base (4.1) may or may not be in contact.
    [0126]
    [0127] In the fixing of the photovoltaic modules (1), preferably the retention elements (5.2) are partially screwed in such a way that they provide a provisional positioning of the fixing device on the rotation axis (7). Subsequently, the corresponding photovoltaic modules (1) are arranged between the tabs (3) and the base (4.1) of the support (4), to finally screw the retaining elements (5.2) in a total manner, that is to say until a tightening is established both in said photovoltaic modules (1) and in the rotation axis (7).
    [0128]
    [0129] According to what has been described, a fixing device is provided, as well as a solar tracker comprising said fixing device, which reduces the elements to be used, allows to adjust to the thicknesses of the photovoltaic modules (1) without modification or addition of no element, and allows to be placed directly at its point of installation of the axis of rotation (7) which facilitates its placement and replacement in isolation.
    [0130]
    [0131] Preferably, the solar tracker comprises the axis of rotation (7), this having an upper face (7.2) and a lower face (7.3), these (7.2, 7.3) being parallel to each other. By means of the upper face (7.2) the axis of rotation (7) contacts the support, and more preferably with the recesses (4.2 '), and by means of the inferior face (7.3) the axis of rotation (7) contacts the plate ( 6). In this way, the fixation of the device of the invention is optimized on the axis of rotation (7), the device being prevented from rotating on said axis (7). Also, preferably the axis of rotation (7) has two lateral faces (7.1) and parallel to each other to be arranged parallel to the elongate elements (5.1).
    权利要求:
    Claims (9)
    [1]
    1. - Device for fixing photovoltaic modules, characterized in that it comprises:
    - a body (2) having a bottom (2.1) with first holes (2.3) and at least one flange (3) for contacting a photovoltaic module (1);
    - a support (4) for contacting the photovoltaic module (1) and a rotation axis (7) of a solar tracker, which has a base (4.1) with a few second holes (4.3);
    - a plate (6) for contacting the axis of rotation (7); Y
    - tightening means configured to pass through the first holes (2.3) and the second holes (4.3);
    such that, in use, the photovoltaic module (1) is retained between the at least one flange (3) of the body (2) and the base (4.1) of the support (4), and the axis of rotation (7) is retained between the support (4) and the plate (6).
    [2]
    2. - Fixing device according to claim 1, characterized in that there are two tabs (3) projecting from a first side of the body (2).
    [3]
    3. - Fixing device according to claim 2, characterized in that the body (2) additionally has two of the tabs (3) projecting on a second side of the body (2).
    [4]
    4. - Fixing device according to any one of the preceding claims, characterized in that the support (4) has wings (4.2) with a recess (4.2 ’) for receiving the axis of rotation (7).
    [5]
    5. - Fixing device according to any one of the preceding claims, characterized in that the clamping means comprise elongate elements (5.1) insertable through the first holes (2.3) and the second holes (4.3).
    [6]
    6. - Fixing device according to claim 5, characterized in that the plate (6) has third holes (6.1) through which the elongated elements (5.1) are inserted.
    [7]
    7. - Fixing device according to claim 5 or 6, characterized in that the elongate elements (5.1) are head screws.
    [8]
    8. - Fixing device according to claim 5 or 6, characterized in that the clamping means comprise an intermediate section (5.3) connecting the elongated elements (5.1).
    [9]
    9. - Solar tracker comprising a device for fixing photovoltaic modules according to any one of the preceding claims.
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    同族专利:
    公开号 | 公开日
    CN111034031A|2020-04-17|
    ES2740049R2|2021-04-15|
    WO2019012163A1|2019-01-17|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US9276521B2|2014-01-16|2016-03-01|JSI Equipment Solutions LLC|Clamp for solar panel array|
    US9543888B2|2015-06-09|2017-01-10|Nextracker Inc.|Frameless solar module mounting|
    CN206117576U|2016-10-12|2017-04-19|江苏中信博新能源科技股份有限公司|Photovoltaic cell module's connection structure and photovoltaic tracker thereof|
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