Support device, mounting system and photovoltaic system

Abstract

A support device, an installation system and a photovoltaic system, the support device comprises a guide rail and a fixing member used for fixing the guide rail, the guide rail comprises a pair of side plates and a bottom plate connected with the lower ends of the pair of side plates, the side plates are provided with side bending portions bending from the side plates, and the side bending portions are provided with side bending portions bending from the side plates. The fixing piece comprises a fixing base used for being fixed to a building, a mounting plate connected to one end of the fixing base and used for being connected with the side plate, and a matching part arranged on the mounting plate and used for being attached to the side bending part so as to limit mutual dislocation of the mounting plate and the side plate. According to the arrangement of the support device, mutual dislocation between the guide rail and the fixing piece is limited, the structure of the guide rail is high, the wind load resistance of the support device is improved, and then the wind load resistance of the whole photovoltaic system is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of photovoltaic technology, in particular to a support device, a mounting system and a photovoltaic system. BACKGROUND

[0002] Building Integrated Photovoltaics (BIPV) refers to installing photovoltaic modules on the surface of the building's outer structure to provide electricity. At present, it is generally dominated by using roof, and its advantage lies in that it can effectively combine the green energy of the building with the appearance effect of the building to make the building more environmentally friendly, intelligent and reduce energy consumption and operating cost. Thus, the investment return rate of the building is greatly improved. However, based on the special installation environment of the photovoltaic module, the frame of the photovoltaic module that matches the installation of the roof of the building needs to be customized in the production process of the photovoltaic module, so that the production process of the photovoltaic module becomes complex, and even the manufacturing cost of the photovoltaic module is increased.

[0003] Therefore, it is necessary to design a support device, a mounting system and a photovoltaic system to solve one of the above problems. SUMMARY

[0004] The present application provides a support device, a mounting system and a photovoltaic system, which can install the photovoltaic module with a conventional frame on the roof of the building without changing the design of the photovoltaic module.

[0005] In order to achieve the above purpose, the technical scheme provided by the present application is as follows:

[0006] A support device, the support device comprising:

[0007] A guide rail, the guide rail comprising a pair of side plates, a bottom plate connecting lower ends of the pair of side plates, and a side bending portion bent from the side plate being arranged on the side plate;

[0008] A fixing member, the fixing member comprising a fixing seat for fixing to a building, a mounting plate connected to one end of the fixing seat for connecting with the side plate, and a matching portion arranged on the mounting plate for being arranged in close contact with the side bending portion to limit the mutual dislocation of the mounting plate and the side plate.

[0009] Further, the side bending portion extends from the side plate to the direction of the other side plate, and in the installed state of the guide rail and the fixing member, the matching portion is located inside the side bending portion.

[0010] Further, the mounting plate comprises an upper mounting plate and a lower mounting plate connected to the matching portion respectively, the matching portion comprises a pair of support plates connected to the upper mounting plate and the lower mounting plate respectively, and a connecting plate connecting the pair of support plates, and the length of the connecting plate is not greater than the distance between the upper mounting plate and the lower mounting plate.

[0011] Further, the included angle between the support plate and the connecting plate is 90°-150°.

[0012] Further, the ratio of the distance between the upper mounting plate and the lower mounting plate to the total length of the mounting plate is not greater than one third.

[0013] Further, the fitting part is located at the lower part of the mounting plate along the length direction thereof.

[0014] Further, the guide rail further comprises a pair of first curled edges provided at the upper end of the side plate, and the fixing member further comprises a second curled edge for mutually clamping the first curled edge.

[0015] Further, the bottom plate is provided with a lower bent part bent upward.

[0016] The application further provides an installation system, which comprises the above-mentioned support device, a cross arm for connecting the guide rail, and a cover plate for fixing the photovoltaic module, and the cross arm and the cover plate form an installation space for installing the photovoltaic module.

[0017] Further, the cross arm is provided with a limiting part protruding upward for limiting the photovoltaic module, and an upper bent part located at the side part of the limiting part.

[0018] The application further provides a photovoltaic system, which comprises a photovoltaic module and the above-mentioned installation system for installing the photovoltaic module on the building roof.

[0019] Compared with the related art, the support device of the application is convenient to install on the building roof through the cooperation of the fixing member and the guide rail, the fitting part on the fixing member is arranged in close contact with the side bent part on the guide rail, the mutual dislocation between the guide rail and the fixing member is prevented, the self structure of the guide rail is relatively strong, the wind load resistance of the support device is improved, and the wind load resistance of the entire photovoltaic system is improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a perspective structural schematic view of the support device of one embodiment of the support device of the application.

[0021] Figure 2 is Figure 1 is a structural schematic view of the relative separation of the guide rail and the fixing member in the guide rail device.

[0022] Figure 3 is a perspective structural schematic view of the installation system of one embodiment of the installation system of the application.

[0023] Figure 4 is Figure 3 is a perspective structural schematic view of the cross arm.

[0024] Figure 5 is a schematic diagram of a three-dimensional structure of a photovoltaic system of the present application.

[0025] Figure 6 is Figure 5 is an enlarged view of a partial structure at A in FIG. 1.

[0026] Figure 7 is Figure 5 is a front view of a partial structure at B in FIG. 1.

[0027] In the drawings: 1 - mounting system, 100 - bracket device, 10 - guide rail, 11 - side plate, 111 - upper side plate, 112 - lower side plate, 12 - bottom plate, 121 - lower bending part, 13 - side bending part, 131 - inclined plate, 132 - vertical plate, 14 - water guide groove, 15 - first hem, 151 - first folding edge, 152 - second folding edge, 153 - limiting groove, 20 - fixing member, 21 - fixing seat, 22 - mounting plate, 221 - upper mounting plate, 222 - lower mounting plate, 23 - matching part, 231 - support plate, 232 - connecting plate, 24 - second hem, 241 - extension plate, 242 - clamping hook, 243 - clamping groove, 200 - cross arm, 201 - cross plate, 202 - fixing plate, 203 - limiting part, 204 - upper bending part, 300 - cover plate, 301 - base plate, 302 - connecting plate, 303 - pressing plate, 2 - photovoltaic module, 3 - purlin. DETAILED DESCRIPTION

[0028] In order for those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should fall within the scope of protection of the present application.

[0029] It should be noted that the terms "upper", "lower", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the auxiliary drawing, and are only for the convenience of simplifying the description of the present application, and do not indicate or imply that the device referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application. Specifically, in the present application, the direction facing the ground is downward, and conversely, the direction away from the ground is upward, and other orientation descriptions are defined based on "upper" and "lower" as the reference.

[0030] In various drawings of the present application, certain dimensions of structures or parts may be exaggerated relative to other structural parts for the convenience of illustration, and therefore, are only used to illustrate the basic structure of the subject matter of the present application.

[0031] AsFigures 1 to 7 As shown, the present application relates to a bracket device 100, a mounting system 1 and a photovoltaic system, wherein the bracket device 100 comprises a guide rail 10 and a fixing member 20 for fixing the guide rail 10 on a building roof. In order to facilitate the installation of the bracket device 100 on the building roof, a purlin 3 is generally installed on the building roof, and the bracket device 100 is installed on the purlin 3. The present application takes the installation of the bracket device 100 on the purlin 3 as an example for detailed description.

[0032] As shown, the guide rail 10 comprises a pair of side plates 11, a bottom plate 12 connecting the lower ends of the pair of side plates 11, the length direction of the guide rail 10 is along the long edge or short edge direction of the photovoltaic module 2, the cross section of the guide rail 10 is in the shape of an open upward U, and the side plates 11 and the bottom plate 12 surround to form a water guide groove 14. The edge of the photovoltaic module is projected in the water guide groove 14 in the up-down direction, which facilitates the water guide groove 14 to collect the rainwater flowing along the edge of the photovoltaic module or the sewage for cleaning the photovoltaic module. Figures 1 to 2 Further, the side plate 11 is provided with a side bending portion 13 bent from the side plate 11, the side plate 11 has an upper side plate 111 and a lower side plate 112, and the side bending portion 13 is located between the upper side plate 111 and the lower side plate 112. The arrangement of the side bending portion 13 makes part of the structure of the side plate 11 extend along a curve, which can avoid the side plate 11 being stretched hard by the strong wind when the bracket device 100 is pulled by the strong wind. That is, the arrangement of the side bending portion 13 provides a deformation release space for the guide rail 10 being pulled, improves the toughness of the guide rail 10, and further improves the structural strength of the bracket device 100.

[0033] The ratio of the distance between the upper side plate 111 and the lower side plate 112 to the total height of the side plate 11 is not greater than one third, which ensures the strength of the side plate 11 itself, so that the guide rail 10 has sufficient strength to support the photovoltaic module.

[0034] As shown, the side bending portion 13 extends from the side plate 11 to the direction of the other side plate 11, that is, the side bending portion 13 is bent towards the water guide groove 14, so that the overall structure of the guide rail 10 is more compact, and the structural strength of the guide rail 10 itself is further improved.

[0035] Figure 1 The side bending portion 13 is preferably provided with one, and the side bending portion 13 is preferably arranged at the lower part of the side plate 11 along the length direction thereof, which can lower the gravity center of the side bending portion 13 and improve the structural strength of the guide rail 10. Figure 2 The side bending portion 13 is preferably provided with one, and the side bending portion 13 is preferably arranged at the lower part of the side plate 11 along the length direction thereof, which can lower the gravity center of the side bending portion 13 and improve the structural strength of the guide rail 10.

[0036] The side bending portion 13 is preferably provided with one, and the side bending portion 13 is preferably arranged at the lower part of the side plate 11 along the length direction thereof, which can lower the gravity center of the side bending portion 13 and improve the structural strength of the guide rail 10.

[0037] ​Of course, the side bending portion 13 can also be provided in multiple, and the multiple side bending portions 13 are provided at the middle and lower portions of the side plate 11, so as to reduce the gravity center of the side bending portion 13 and improve the structural strength of the guide rail 10.

[0038] The side bending portion 13 comprises a pair of inclined plates 131 connected to the upper side plate 111 and the lower side plate 112 respectively, a vertical plate 132 connected to the pair of inclined plates 131, the length of the vertical plate 132 is not greater than the distance between the upper side plate 111 and the lower side plate 112, the inclined plate 131 and the vertical plate 132 are arranged to form a trapezoid opening away from the water guide groove 14, the included angle between the inclined plate 131 and the vertical plate 132 is 90°-150°, so that the side plate 11 can be decomposed into vertical component force along the length direction of the side plate 11 and horizontal component force perpendicular to the vertical component force when the side plate 11 is subjected to force, and the guide rail 10 can offset part of the suction force of the strong wind on the guide rail 10 when the guide rail 10 is subjected to the pulling of the strong wind.

[0039] Preferably, the included angle between the inclined plate 131 and the vertical plate 132 is 135°, the vertical component force and the horizontal component force of the inclined plate 131 are equal, and the structural strength of the guide rail 10 is further improved.

[0040] Of course, the side bending portion 13 can also be convex away from the water guide groove 14, which is also within the protection scope of the present application.

[0041] Further, the bottom plate 12 is provided with an upwardly bent lower bending portion 121, the lower bending portion 121 extends towards the water guide groove 14, does not affect the contact between the guide rail 10 and the purlin, and further improves the structural strength of the guide rail 10.

[0042] The lower bending portion 121 is provided at least one, when the lower bending portion 121 is provided, the lower bending portion 121 is located at the center of the bottom plate 12, when multiple lower bending portions 121 are provided, the lower bending portions 121 are provided on the bottom plate 12 in intervals and symmetrically arranged at the middle of the bottom plate 12.

[0043] Preferably, the shape of the lower bending portion 121 is consistent with the shape of the side bending portion 13, so as to improve the toughness of the guide rail 10 when subjected to force, and further improve the structural strength of the guide rail 10.

[0044] Further, the guide rail 10 further comprises a pair of first flanges 15 arranged on the upper end of the side plate 11, the first flanges 15 are used to cooperate with the fixing member 20 to fix the guide rail 10 on the purlin, specifically, the first flange 15 comprises a first flange 151 extending from the side plate 11 to the water channel 14, a second flange 152 connected to the first flange 151 and extending to the bottom plate 12, the second flange 152 extends in the same direction as the side plate 11, and the side plate 11, the first flange 151 and the second flange 152 form a limiting groove 153.

[0045] As shown in Figure 1 and Figure 2 The fixing member 20 comprises a fixing seat 21 for fixing with the building, a mounting plate 22 connected to one end of the fixing seat 21 for connecting with the side plate 11, a cooperation part 23 arranged on the mounting plate 22 for being arranged in close contact with the side bending part 13 to limit the mutual dislocation of the mounting plate 22 and the side plate 11, and the cooperation part 23 is in close contact with the side bending part 13, on the one hand, the guide rail 10 is fixed on the purlin through the fixing member 20, on the other hand, due to the side bending part 13 and the cooperation part 23 are in a non-linear state along the length direction of the side plate 11, so that the side bending part 13 and the cooperation part 23 are limited to each other, and in the case of external force such as strong wind, the structural strength of the whole bracket device 100 is improved.

[0046] In the embodiment in which the side bending part 13 extends from the side plate 11 to the other side plate 11, when the guide rail 10 is in the mounted state with the fixing member 20, the cooperation part 23 is located inside the side bending part 13, avoiding the mutual dislocation of the mounting plate 22 and the side plate 11, so as to improve the bonding strength between the guide rail 10 and the fixing member 20.

[0047] The mounting plate 22 has an upper mounting plate 221 and a lower mounting plate 222, the cooperation part 23 comprises a pair of support plates 231 connected to the upper mounting plate 221 and the lower mounting plate 222 respectively, and a connecting plate 232 connecting the pair of support plates 231, the length of the connecting plate 232 is not greater than the distance between the upper mounting plate 221 and the lower mounting plate 222, that is, the figure surrounded by the cooperation part 23 is a rectangle or a trapezoid, that is, the shape of the cooperation part 23 is consistent with the shape of the side bending part 13, so that the cooperation part 23 can better fit with the side bending part 13, further improving the bonding strength between the fixing member 20 and the guide rail 10.

[0048] Preferably, the length of the connecting plate 232 is less than the distance between the upper mounting plate 221 and the lower mounting plate 222, so that the support plate 231 and the connecting plate 232 are inclinedly arranged, and the included angle between the support plate 231 and the connecting plate 232 is 90°-150°. When the support plate 231 is subjected to an external force, the support plate 231 has a vertical component force along the length direction of the mounting plate 22 and a transverse component force perpendicular to the vertical component force, that is, the mounting plate 22 and the side plate 11 are subjected to the same external force. When the bracket device 100 is subjected to the pulling of strong wind, part of the suction force of the strong wind on the bracket device 100 can be offset.

[0049] Preferably, the included angle between the support plate 231 and the connecting plate 232 is 135°, so that the transverse component force and the vertical component force of the support plate 231 are the same, and the structural strength of the fixing member 20 itself is increased.

[0050] Further, the distance between the upper mounting plate 221 and the lower mounting plate 222 is not more than one-third of the total length of the mounting plate 22, and the matching part 23 is located at the lower part of the mounting plate 22 along the length direction thereof, so as to reduce the gravity center of the matching part 23 and ensure the structural strength of the mounting plate 22 itself.

[0051] As shown in Figure 2 The fixing member 20 further comprises a second hem 24 for mutually clamping the first hem 15. The second hem 24 is arranged on the side of the mounting plate 22 away from the fixing seat 21, so as to mutually clamp the first hem 15.

[0052] Specifically, the second hem 24 comprises an extension plate 241 connected to the upper mounting plate 221, and a clamping hook 242 connected to the end of the extension plate 241 and extending downward. The clamping hook 242 is formed with a clamping groove 243. When the first hem 15 and the second hem 24 are mutually clamped, the extension plate 241 is parallel to the first hem 151 and located outside the first hem 151, the second hem 152 is located in the clamping groove 243, and part of the clamping hook 242 is located in the limiting groove 153. The first hem 15 and the second hem 24 are mutually limited to fixedly install the fixing member 20 and the guide rail 10.

[0053] The clamping hook 242 can be V-shaped or U-shaped, and does not affect the cooperation between the first hem 15 and the second hem 24. The clamping hook 242 in the present application is U-shaped, which facilitates the installation between the first hem 15 and the second hem 24 and improves the installation efficiency of the fixing member 20 and the guide rail 10.

[0054] It can be understood that the fixing member 20 in the present application can be a long strip extending along the length direction of the rail 10, or a plurality of fixing members 20 can be arranged along the length direction of the rail 10, which are all within the protection scope of the present application.

[0055] The process of installing the support device 100 is as follows: first, the fixing member 20 is sleeved on the rail 10 from the length end of the rail 10, and then the fixing member 20 is moved to the position of the purlin along the length direction of the rail 10, and then the fixing member 20 is positioned at the position of the purlin, and finally the fixing seat 21 is fixed on the purlin by bolts.

[0056] The present application also provides an installation system 1, as shown in Figure 3 and Figure 4 The installation system 1 includes the above-mentioned support device 100, a cross arm 200 for connecting the rail 10, a cover plate 300 connected with the cross arm 200 for fixing the photovoltaic module, and an installation space for installing the photovoltaic module 2 formed between the cross arm 200 and the cover plate 300.

[0057] As shown in Figure 4 The cross arm 200 includes a horizontal plate 201, a fixing plate 202 arranged on both sides of the horizontal plate 201 for fixing the rail 10, and the fixing plate 202 extends downward from the end of the horizontal plate 201, and when the cross arm 200 is installed with the rail 10, the fixing plate 202 is located outside the side plate 11, and the fixing plate 202 is fixed with the side plate 11 by bolts to fix the cross arm 200 on the rail 10.

[0058] The cross arm 200 is provided with a limiting portion 203 protruding upward for limiting the photovoltaic module 2, and an upper bending portion 204 protruding downward on both sides of the limiting portion 203, and the limiting portion 203 and the upper bending portion 204 are arranged on the horizontal plate 201 or are part of the horizontal plate 201, and the limiting portion 203 not only positions and limits the photovoltaic module 2, but also reduces the hard pulling of external force on the cross arm 200 in combination with the design of the upper bending portion 204, thereby improving the structural strength of the installation system 1.

[0059] The cross arm 200 in the present application can be a long strip extending in the same direction as the rail 10, or a plurality of cross arms 200 can be arranged in the extension direction of the rail 10, which are all within the protection scope of the present application.

[0060] As shown in Figure 3As shown, the cover plate 300 comprises a base plate 301, a connecting plate 302 extending laterally from at least one end of the base plate 301, a pressing plate 303 extending from the end of the connecting plate 302 in a direction away from the base plate 301, the connecting plate 302 being perpendicular to the base plate 301 and the pressing plate 303 respectively, the base plate 301 being located above the limiting portion 203 when the photovoltaic module is installed, an installation space being formed between the pressing plate 303, the connecting plate 302 and the horizontal plate 201, and the base plate 301 and the limiting portion 203 being provided with screw holes correspondingly, the cover plate 300 and the cross arm 200 being fixed by bolts to fix the photovoltaic module 2 in the installation space.

[0061] The cover plate 300 in the application extends in the same direction as the guide rail 100, which can increase the contact area of the cover plate 300 and the photovoltaic module 2, and is beneficial to the stable installation of the photovoltaic module 2 and covers the gap between the photovoltaic modules 2.

[0062] The application also provides a photovoltaic system, as shown in the accompanying drawings, Figures 5 to 7 As shown, the photovoltaic system comprises the photovoltaic module 2 and the above-mentioned installation system 1 for installing the photovoltaic module on the building roof, the installation system 1 in the application can be used to install the conventional photovoltaic module 2 in cooperation with the purline 3, without the need to change the specifications of the photovoltaic module 2, and the installation system 1 in the application can also improve the wind load resistance of the photovoltaic system.

[0063] In summary, the bracket device 100 in the application is convenient to install through the cooperation of the fixing member 20 and the guide rail 10, the cooperation portion 23 on the fixing member 20 is arranged in close contact with the side bending portion 13 on the guide rail 10, which prevents the mutual dislocation between the guide rail 10 and the fixing member 20, the structure of the guide rail 10 is relatively strong, which improves the wind load resistance of the bracket device 100 and the wind load resistance of the entire photovoltaic system.

[0064] It should be understood that although the present specification is described in terms of embodiments, each embodiment does not contain only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be combined to form other embodiments that can be understood by those skilled in the art.

[0065] The series of detailed descriptions listed above are only specific descriptions of the feasible embodiments of the application, and are not used to limit the protection scope of the application, and any equivalent embodiments or changes made without departing from the spirit of the technical art of the application should be included in the protection scope of the application.

Claims

1. A stent device, characterized by, The rail comprises a pair of side plates, a bottom plate connecting lower ends of the side plates, and a side bending portion bent from the side plate on the side plate. The fixing member comprises a fixing base for fixing to a building, a mounting plate connected to one end of the fixing base for connecting to the side plate, and a fitting portion provided on the mounting plate for abutting with the side bending portion to limit the mutual dislocation of the mounting plate and the side plate. The side bending portion extends from the side plate to the direction of the other side plate, and the fitting portion is located inside the side bending portion when the rail and the fixing member are in the installed state.

2. The stent apparatus of claim 1, wherein, The mounting plate comprises an upper mounting plate and a lower mounting plate connected to the fitting portion, the fitting portion comprises a pair of support plates connected to the upper mounting plate and the lower mounting plate, and a connecting plate connecting the pair of support plates, and the length of the connecting plate is not greater than the distance between the upper mounting plate and the lower mounting plate.

3. The stent apparatus of claim 1, wherein, The angle between the support plate and the connecting plate is 90°-150°.

4. The stent apparatus of claim 3, wherein, The ratio of the distance between the upper mounting plate and the lower mounting plate to the total length of the mounting plate is not greater than one-third.

5. The stent apparatus of claim 3, wherein, The fitting portion is located at the lower part of the mounting plate along the length direction.

6. The stent apparatus of claim 1, wherein, The rail further comprises a pair of first curled edges provided on the upper end of the side plate, and the fixing member further comprises a second curled edge for mutually clamping the first curled edge.

7. The stent device of any of claims 1 to 6, wherein, The bottom plate is provided with a downward bending portion bent upward.

8. The stent device of any one of claims 1 to 6, wherein, The bracket device of any one of claims 1-8, a cross arm for connecting the rail, and a cover plate for fixing the photovoltaic module, wherein the cross arm and the cover plate form a mounting space for mounting the photovoltaic module.

9. A mounting system characterized by, The cross arm is provided with a limiting portion protruding upward for limiting the photovoltaic module, and an upper bending portion located at the side of the limiting portion. The installation system of claim 9 for installing the photovoltaic module on the building roof.

10. The mounting system of claim 9, wherein, ​ 11. A photovoltaic system characterized by, ​

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