Transversely-mounted photovoltaic module mounting structure
[ Field of technology ]
The utility model belongs to the technical field of photovoltaics, and particularly relates to a transverse photovoltaic module mounting structure.
[ Background Art ]
The photovoltaic module is of a rectangular structure, and the existing photovoltaic power station generally adopts a rectangular arranged photovoltaic module array, and has three mounting modes of transverse mounting, vertical mounting and transverse and vertical combination. The transverse installation mode refers to the fact that the length direction of the photovoltaic module is consistent with the transverse direction, the vertical installation mode refers to the fact that the length direction of the photovoltaic module is consistent with the longitudinal direction, and the transverse and vertical combination installation mode refers to the fact that the transverse photovoltaic module is combined with the vertical photovoltaic module.
At present, the vertical photovoltaic module is fixed on long sides, short sides are not allowed to be fixed, but the photovoltaic module is fully and transversely arranged, and a scene of the vertical water guide groove is required to be installed in a matched mode, so that the installation is carried out in a short side fixing mode, the vertical water guide groove is required to be fixed, and the vertical water guide groove can only be installed along the inclination angle of the photovoltaic module.
However, the long side span of the component with the fixed short side can have larger deflection and deformation under the action of gravity, and can also have upward deformation in the long side span under the action of wind suction load. Over time, it can affect the quality of the photovoltaic module and affect the amount of power generated and risk dropping or breaking.
[ utility model ]
Aiming at the defects of the prior art, the technical problem to be solved by the utility model is to provide a transverse photovoltaic module mounting structure which solves the problem that the long side span of the transverse photovoltaic module is easy to deform.
In order to solve the technical problems, the utility model adopts the following technical scheme:
The utility model provides a transversely adorn photovoltaic module mounting structure, includes along a plurality of crossbeams that vertically set up side by side, transversely adorn photovoltaic module and be fixed in on the crossbeam, transversely adorn photovoltaic module mounting structure still including locating photovoltaic module's length intermediate position below and along photovoltaic module width direction extension's middle support piece, middle support piece's upside and photovoltaic module's width both sides frame are connected, downside is connected with the crossbeam to the upper and lower deformation of restriction photovoltaic module length intermediate position.
Preferably, the upper part of the middle supporting piece is provided with an upper supporting part extending obliquely upwards towards two lateral sides, the upper end of the upper supporting part is provided with an upper fixing part extending horizontally outwards, the upper fixing part is fixed with the photovoltaic module frame by adopting a supporting piece fastener, the lower part of the middle supporting piece is provided with a lower supporting part extending obliquely downwards towards two lateral sides, the lower end of the lower supporting part is provided with a lower fixing part extending horizontally outwards, and the lower fixing part is fixed with the cross beam by adopting a supporting piece fastener.
Preferably, the support piece fastening piece is a self-drilling screw, and/or the middle part of the middle support piece is provided with a middle connecting part which transversely extends and connects the upper support part and the lower support part.
Preferably, the middle support piece is composed of an upper sheet metal part and a lower sheet metal part which are of isosceles trapezoid structures, and the upper bottoms of the upper sheet metal part and the lower sheet metal part are welded together.
Preferably, the intermediate support member integrally extends along the entire longitudinal direction of the transverse photovoltaic module.
Preferably, a longitudinal water guide groove is arranged below the length end part of the photovoltaic module, the longitudinal water guide groove is connected with a pressing block assembly for fixing the photovoltaic module, and the pressing block assembly comprises a lower pressing block for supporting the photovoltaic module, an upper pressing block pressed on the upper side of the photovoltaic module and a pressing block fastener for connecting the upper pressing block and the lower pressing block.
Preferably, the longitudinal water guide groove is of an M-shaped structure, two sides of the bottom of the longitudinal water guide groove are provided with side fixing edges extending to the outer side in the transverse direction, the side fixing edges are fixed with the cross beam by screws, and/or a transverse water guide groove is arranged below a gap between two longitudinally adjacent photovoltaic modules in the transverse photovoltaic modules and is connected with the longitudinal water guide groove.
Preferably, the upper pressing block is provided with a U-shaped part and side wings extending outwards from two sides of the opening of the U-shaped part, the U-shaped part is inserted into a gap between two adjacent photovoltaic modules, and the side wings are pressed on the side of a frame A of the photovoltaic modules.
Preferably, the lower pressing block is provided with a supporting surface supported on the bottom surface of the side C of the photovoltaic module frame, the two lateral sides of the lower pressing block are provided with turnover parts which are turned over towards the lateral surface of the longitudinal water guide groove, and the turnover parts are fixed with the lateral surface of the longitudinal water guide groove by screws.
Preferably, the two lateral sides of the lower pressing block are provided with upper convex parts matched with the two lateral sides of the longitudinal water guide groove, the lower pressing block is provided with lower concave parts between the supporting surface and the upper convex parts, and/or the bottom surfaces of the side wings are provided with serrated surfaces.
The utility model adopts the technical scheme and has the following beneficial effects:
1. And a middle supporting piece is arranged below the length middle position of the transversely-mounted photovoltaic module, extends along the width direction of the photovoltaic module, and is connected with the side frames on the two sides of the width of the photovoltaic module and the cross beam on the lower side so as to limit the vertical deformation of the length middle position of the photovoltaic module. Therefore, the middle supporting piece can limit the vertical deformation of the length middle position of the photovoltaic module, so that the photovoltaic module cannot generate large deformation at the midspan position under the action of gravity load or wind suction load, and the safety and the power generation quality of the photovoltaic module are ensured.
2. The two upper supporting parts on the upper side of the middle supporting piece and the two lower supporting parts on the lower side of the middle supporting piece are combined to form an X-shaped structure, and the X-shaped structure has the advantages that firstly materials are saved, so that cost is saved, secondly, a good supporting effect can be achieved, because the two upper supporting parts can support the photovoltaic module under the supporting effect of the two lower supporting parts, the middle part of the photovoltaic module is prevented from being deformed downwards under the action of gravity load, if the photovoltaic module is subjected to the action of wind suction load, and the two lower supporting parts pull the two upper supporting parts downwards due to the fact that the lower supporting parts are fixed, and pull the photovoltaic module by the two upper supporting parts, so that the middle part of the photovoltaic module is prevented from being deformed upwards.
3. The middle support piece is fixed with the photovoltaic module frame and the cross beam by adopting the self-drilling screw, so that the self-drilling effect of self-tapping is realized by rotating and utilizing the taper to drill into the photovoltaic module frame and the cross beam, the installation is very convenient, the installation is reliable, and the looseness is not easy.
The middle connecting part can bear downward pressure of the upper supporting part and upward pressure of the lower supporting part, so that the bearing capacity of the middle supporting piece is improved.
4. The middle support piece is composed of the sheet metal parts of the upper isosceles trapezoid structure and the lower isosceles trapezoid structure, and the upper bottoms of the upper sheet metal part and the lower sheet metal part are welded together, and the sheet metal parts have the advantages of light weight, high strength, low cost and high large-scale mass production performance, and then the two sheet metal parts are welded and fixed into a whole, so that the processing is convenient, the industrial production of the middle support piece can be realized, and the cost is remarkably reduced.
5. Because middle support piece is along transversely adorning photovoltaic module's whole vertical integrative extension, consequently, a range of photovoltaic module only need a middle support piece in order to facilitate the installation, simultaneously because middle support piece all supports in whole vertical direction, supports comprehensively, supports effectually.
6. The photovoltaic module is fixed in the longitudinal water guide groove by adopting the pressing block assembly, so that the fixing of the two ends of the length of the photovoltaic module is realized.
7. Because the transverse water guide groove is arranged below the gap between the two longitudinally adjacent photovoltaic modules in the transverse photovoltaic module, the transverse water guide groove is connected with the longitudinal water guide groove, and therefore flowing water on the surface of the photovoltaic module flows to the transverse water guide groove and then is converged to the longitudinal water guide groove, and smooth water drainage is achieved.
8. The side wings on the two sides of the opening of the U-shaped part of the upper pressing block are pressed on the side A of the frame of the photovoltaic module, so that the photovoltaic module is pressed and fixed.
9. The lower pressing block is supported on the bottom surface of the C side of the frame of the photovoltaic module through the supporting surface, and then the photovoltaic module is clamped and fixed by matching with the pressing of the upper pressing block;
The turnover parts on the two lateral sides of the lower pressing block are fixed with the lateral sides of the longitudinal water guide groove by screws, so that the longitudinal water guide groove has the functions of water drainage and bearing of the photovoltaic module.
10. The shape of the lower pressing block is matched with the M-shaped structure of the longitudinal water guide groove, so that the photovoltaic module can be effectively supported, and the reliable fixation of the lower pressing block and the longitudinal water guide groove is ensured;
the bottom surface of the flank is provided with the serrated surface, so that the friction force between the side surface and the side A of the photovoltaic module frame can be increased, and looseness is avoided.
These features and advantages of the present utility model will be disclosed in detail in the following detailed description and the accompanying drawings.
[ Description of the drawings ]
The utility model is further described with reference to the accompanying drawings:
FIG. 1 is a top view of an installed state of a horizontal photovoltaic module in an embodiment;
FIG. 2 is a cross-sectional view of an installed state of a cross-mounted photovoltaic module in an embodiment;
FIG. 3 is a schematic illustration of a specific construction of the intermediate support;
FIG. 4 is a schematic view of the structure of FIG. 2A;
reference numerals are photovoltaic module 100, frame 101, cross member 200, intermediate support 300, upper fixing portion 31, upper support portion 32, intermediate connection portion 33, lower support portion 34, lower fixing portion 35, longitudinal water guiding groove 400, side fixing edge 41, bottom support 42, press block module 500, lower press block 51, turnover portion 511, upper convex portion 512, lower concave portion 513, support surface 514, upper press block 52, u-shaped portion 521, side wings 522, press block fastener 53, and transverse water guiding groove 600.
[ Detailed description ] of the invention
The technical solutions of the embodiments of the present utility model will be explained and illustrated below with reference to the drawings of the embodiments of the present utility model, but the following embodiments are only preferred embodiments of the present utility model, and not all embodiments. Based on the examples in the implementation manner, other examples obtained by a person skilled in the art without making creative efforts fall within the protection scope of the present utility model.
Those skilled in the art will appreciate that the features of the examples and embodiments described below can be combined with one another without conflict.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The words "upper", "lower", "inner", "outer", and the like, which refer to an orientation or positional relationship, are merely based on the orientation or positional relationship shown in the drawings, are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the devices/elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
Referring to fig. 1 to 4, a cross-mounted photovoltaic module mounting structure is shown, in which a plurality of cross-mounted photovoltaic modules 100 are arranged in a rectangular array, and the cross-mounted photovoltaic module mounting structure includes a plurality of cross beams 200 arranged side by side in a longitudinal direction, and both sides (long sides) of the width of the cross-mounted photovoltaic modules 100 are fixed to the cross beams 200. The horizontal photovoltaic module mounting structure further comprises a middle supporting piece 300 which is arranged below the length middle position of the photovoltaic module and extends along the width direction of the photovoltaic module, wherein the upper side of the middle supporting piece 300 is connected with the side frames 101 on the two sides of the width of the photovoltaic module, and the lower side of the middle supporting piece 300 is connected with the cross beam 200 so as to limit the vertical deformation of the length middle position of the photovoltaic module.
According to the technical scheme, the middle supporting piece can limit the vertical deformation of the middle position of the length of the photovoltaic module, so that the photovoltaic module cannot generate large deformation at the midspan position under the action of gravity load or wind suction load, and the safety and the power generation quality of the photovoltaic module are ensured.
Specifically, as shown in fig. 3, an upper supporting portion 32 extending obliquely upward toward two lateral sides is provided at an upper portion of the middle supporting member 300, an upper fixing portion 31 extending horizontally outward is provided at an upper end of the upper supporting portion, and the upper fixing portion 31 is fixed with the photovoltaic module frame 101 by a supporting member fastener. The lower part of the middle support 300 is provided with a lower support part 34 extending obliquely downwards to two lateral sides, the lower end of the lower support part 34 is provided with a lower fixing part 35 extending horizontally outwards, and the lower fixing part 35 is fixed with the cross beam 200 by a support fastener.
Above-mentioned technical scheme, thereby two upper supporting portions of intermediate strut spare upside and two lower supporting portions of downside make up the structure of formation X type, thereby its advantage is saving material saving cost at first, secondly, can play good supporting role, because two upper supporting portions can support photovoltaic module under the supporting role of two lower supporting portions, avoid photovoltaic module middle part to warp downwards under the action of gravity load, if photovoltaic module receives the windage load effect, because lower supporting portion downside is fixed, two lower supporting portions pull down two upper supporting portions, and pull photovoltaic module by two upper supporting portions, thereby avoid photovoltaic module middle part to warp upwards.
Wherein, the support piece fastener is a self-drilling screw. Therefore, the self-tapping self-drilling effect can be realized by rotating and utilizing the taper to automatically drill into the frame and the cross beam of the photovoltaic module, the installation is greatly facilitated, and the anti-loosening effect is further realized by gluing, so that the installation is reliable and the loosening is not easy. The middle part of the middle support 300 is provided with a middle connection part 33 extending in a lateral direction and connecting the upper support part and the lower support part. The middle connecting part can bear downward pressure of the upper supporting part and upward pressure of the lower supporting part, so that the bearing capacity of the middle supporting piece is improved.
Further, the middle support 300 is composed of two sheet metal parts with isosceles trapezoid structures, and the upper bottoms of the two sheet metal parts are welded together. Because sheet metal parts have the advantages of light weight, high strength, low cost and good large-scale mass production performance, and then two sheet metal parts are welded and fixed into a whole, the sheet metal parts are convenient to process, the industrial production of the middle supporting part can be realized, and the cost is remarkably reduced.
In this embodiment, the intermediate support 300 integrally extends along the entire longitudinal direction of the transverse photovoltaic module. Therefore, only one middle supporting piece is needed for the photovoltaic module in one row to be convenient to install, and meanwhile, the middle supporting piece supports in the whole longitudinal direction, so that the support is comprehensive, and the support effect is good. Of course, it is understood that the intermediate support member may be divided into a plurality of segments along the entire longitudinal direction of the transverse photovoltaic module, and spliced into a whole.
Referring to the prior art, a longitudinal water guide groove 400 is provided between the end of the length of the photovoltaic module and the cross beam, and the longitudinal water guide groove 400 may integrally extend along the entire longitudinal direction of the transversely mounted photovoltaic module. And a horizontal water guide groove 600 is arranged below the gap between two adjacent longitudinal photovoltaic modules in the horizontal photovoltaic modules, and the horizontal water guide groove 600 is connected with the longitudinal water guide groove 400, so that the flowing water on the surface of the photovoltaic modules flows into the horizontal water guide groove and then is converged into the longitudinal water guide groove. Of course, it is understood that a gap is not required, and the flowing water on the surface of the photovoltaic module flows into the longitudinal water guide groove. In addition, a main water tank is arranged under the longitudinal direction of the transverse photovoltaic module, and the lower end of the longitudinal water guide tank is connected with the main water tank. Therefore, the water flow is converged from the transverse water guide groove to the longitudinal water guide groove, then converged from the longitudinal water guide groove to the main water groove, and finally the main water groove is connected with the drain pipe to form a well-defined drainage path, thereby being beneficial to accelerating drainage and avoiding leakage.
Referring to the prior art, in order to fix the photovoltaic module, the vertical water guide groove 400 is connected with a press block assembly 500 for fixing the photovoltaic module, and the press block assembly 500 includes a lower press block 51 for supporting the photovoltaic module, an upper press block 52 pressed on the upper side of the photovoltaic module, and a press block fastener 53 for connecting the upper press block 52 and the lower press block 51. Thereby realizing the fixation of the two ends of the length of the photovoltaic module.
In this embodiment, the longitudinal water guiding groove 400 has an M-shaped structure, two sides of the bottom of the longitudinal water guiding groove are provided with lateral fixing edges 41 extending to the lateral outside, and the lateral fixing edges 41 are fixed with the cross beam by screws, for example, the lateral fixing edges are also fixed by using self-drilling screws and glue. A bottom support 42 is provided in the middle of the bottom of the longitudinal water guiding groove 400, and is supported on the cross beam.
Specifically, the upper pressing block 52 is provided with a U-shaped portion 521 and side wings 522 extending outwards from two sides of the opening of the U-shaped portion, the U-shaped portion 521 is inserted into a gap between two adjacent photovoltaic modules, and the side wings 522 are pressed on the side of the frame a of the photovoltaic modules. Thereby pressing and fixing the photovoltaic module. The lower pressing block 51 is provided with a supporting surface 514 supported on the bottom surface of the side C of the photovoltaic module frame, two lateral sides of the lower pressing block are provided with turnover parts 511 which are turned over towards the lateral surface of the longitudinal water guide groove, and the turnover parts 511 are fixed with the lateral surface of the longitudinal water guide groove by screws, for example, the turnover parts 511 are also fixed by self-drilling screws and glue. The lower pressing block 51 has upper protrusions 512 on both lateral sides thereof, which are engaged with both lateral sides of the longitudinal water guiding groove, and a lower recess 513 between the support surface and the protrusions. The bottom surface of flank is equipped with the serrated surface.
Above-mentioned technical scheme, the briquetting is supported in photovoltaic module frame C limit bottom surface through the holding surface down, cooperates the pressfitting of briquetting again, pressfitting fixed with photovoltaic module clamp. The turnup parts on the two lateral sides of the lower pressing block are fixed with the lateral sides of the longitudinal water guide grooves by screws, so that the longitudinal water guide grooves have the functions of water discharge and bearing of the photovoltaic module, and after being fixed with the cross beam and the photovoltaic module into a whole, the turnup deformation is not easy, the problems of water leakage and the like caused by the turnup deformation of the water grooves in the prior art can be solved, the waterproof performance of the photovoltaic power station is improved, and the frequency and the maintenance cost are reduced. The shape of the lower pressing block is matched with the M-shaped structure of the longitudinal water guide groove, so that the photovoltaic module can be effectively supported, and the reliable fixation of the lower pressing block and the longitudinal water guide groove is ensured. The lateral photovoltaic module 100 is fixed to the cross member 200 on both sides (long sides) of the width thereof by the vertical water guide grooves, and the photovoltaic module is fixed to the cross member 200 at a position intermediate the length thereof by the intermediate support 300.
In addition, as the bottom surface of the flank is provided with the serrated surface, the friction force between the side of the side wing and the side of the frame A of the photovoltaic module can be increased, and loosening is avoided.
The installation process of the transverse photovoltaic module in the embodiment is that after the construction of the photovoltaic bracket is completed, the longitudinal water guide groove 400 is firstly fixed according to the position of the short side of the transverse photovoltaic module, then the middle support 300 is placed below the middle position of the length of the module, and the middle support 300 is fixed on the cross beam 200 by adopting a self-drilling screw. Next, the horizontal water guide 600 is installed, and finally, the assembly is installed, and the connection positions of the side frames 101 and the middle support 300 at both sides (long sides) of the assembly width are fixed by using the self-drilling screws.
While the utility model has been described in terms of specific embodiments, it will be appreciated by those skilled in the art that the utility model is not limited thereto but includes, but is not limited to, the drawings and the description of the specific embodiments. Any modifications which do not depart from the functional and structural principles of the utility model are intended to be included within the scope of the appended claims.