Photovoltaic system and photovoltaic charging / swapping station system

Abstract

The utility model discloses a photovoltaic system and a photovoltaic charging / swapping station system. The photovoltaic system is installed on a keel of a building, the photovoltaic assembly comprises two frames which are oppositely arranged, the lower ends of the frames are provided with first installation parts, and the first installation parts are provided with first installation holes; the mounting assembly is arranged between the photovoltaic assembly and the keel and comprises a connecting piece, a first fixing piece and a second fixing piece, and the connecting piece comprises a second mounting part and a third mounting part; the first mounting part is provided with a first mounting hole, the second mounting part is provided with a second mounting hole, the second mounting hole and the first mounting hole are oppositely arranged, the first fixing piece penetrates through the first mounting hole and the second mounting hole, and the first fixing piece is used for fixing the photovoltaic module and the mounting module; the third mounting part is provided with a third mounting hole, and the second fixing piece penetrates through the third mounting hole and the keel and is used for fixing the mounting assembly and the keel. Stress concentration of the photovoltaic module can be avoided, and potential safety hazards are reduced.

Description

Technical Field

[0001] The present application belongs to the field of photovoltaic technology, and specifically relates to a photovoltaic system of photovoltaic components and a photovoltaic charging / swapping station system. Background Art

[0002] At present, when installing photovoltaic modules, external pressure blocks are usually used to press the frame of the photovoltaic module from top to bottom on the roof structure. However, in the increasingly diverse distributed scenarios, the external pressure blocks press the frame on the roof structure, and the pressure area between the external pressure blocks and the frame is small, which can easily cause local stress concentration on the frame and photovoltaic modules, posing certain safety hazards. Utility Model Content

[0003] In view of the above problems, embodiments of the present utility model are proposed to provide a photovoltaic system of photovoltaic components and a photovoltaic charging / swapping station system that overcome the above problems or at least partially solve the above problems.

[0004] In order to solve the above problems, in the first aspect, the embodiments of the present application provide a photovoltaic system.

[0005] The photovoltaic system is installed on the keel of a building, and includes: a photovoltaic component, including two frames arranged opposite to each other, a first mounting portion is arranged at the lower end of the frame, and a first mounting hole is arranged on the first mounting portion; a mounting component is arranged between the photovoltaic component and the keel, including a connecting member, a first fixing member and a second fixing member, and the connecting member includes a second mounting portion and a third mounting portion; the second mounting portion is provided with a second mounting hole, the second mounting hole and the first mounting hole are arranged opposite to each other, the first fixing member is respectively penetrated through the first mounting hole and the second mounting hole, and the first fixing member is used to fix the photovoltaic component and the mounting component; the third mounting portion is provided with a third mounting hole, the second fixing member is penetrated through the third mounting hole and the keel, and the second fixing member is used to fix the mounting component and the keel; the orthographic projection of the photovoltaic component on the keel and the orthographic projection of the second fixing member on the keel have no overlap.

[0006] In this embodiment, the lower end of the frame of the photovoltaic module is fixed to the keel by the second mounting portion and the first fixing member. Compared with the external pressure block of the traditional solution, the present application presses the lower end of the photovoltaic module, which can improve the pressing stability. Furthermore, because the pressing is on the lower end of the photovoltaic module, invisible fixing can be achieved, improving the installation aesthetics.

[0007] Optionally, the photovoltaic assembly includes a photovoltaic body, the second mounting portion is opposite to the keel and is spaced apart from the keel, and there is an installation space for installing the first fixing member between the second mounting portion and the keel; or the second mounting portion is located on a side of the keel.

[0008] In this embodiment, there is an installation space between the second installation portion and the keel, which can facilitate the installation of the first fixing member.

[0009] Optionally, the length of the second mounting portion in the first direction is L1, the length of the third mounting portion in the first direction is L2, L2≤L1 / 2; or L1=L2, wherein the first direction is perpendicular to the second direction, and the second direction is the direction from the second mounting portion to the third mounting portion.

[0010] In this embodiment, the length of the third mounting portion is less than half of the length of the second mounting portion, so that the two mounting components can form an interlocking structure, which can improve the installation tightness and enhance the space utilization.

[0011] Optionally, the two adjacent photovoltaic assemblies include a first photovoltaic assembly and a second photovoltaic assembly, the mounting assembly used to assemble the first photovoltaic assembly and close to the second photovoltaic assembly includes a first mounting assembly, and the mounting assembly used to assemble the second photovoltaic assembly and close to the first photovoltaic assembly includes a second mounting assembly; wherein,

[0012] L2≤L1 / 2, the first mounting assembly and the second mounting assembly are arranged opposite to each other, the second mounting portion and the third mounting portion of the first mounting assembly enclose a first avoidance space, the second mounting portion and the third mounting portion of the second mounting assembly enclose a second avoidance space, the third mounting portion of the first mounting assembly is accommodated in the second avoidance space, and the third mounting portion of the second mounting assembly is accommodated in the first avoidance space; or

[0013] L2≤L1 / 2, the number of the first mounting components is at least two, the shortest distance between two adjacent first mounting components in the first direction is D1, the shortest distance between the third mounting portions of two adjacent first mounting components in the first direction is D2, D2=D1, the number of the second mounting components is at least two, the longest distance between two adjacent second mounting components in the first direction is D3, the longest distance between the third mounting portions of two adjacent second mounting components in the first direction is D4, D4=D3; or

[0014] The first installation components and the second installation components are alternately arranged along the first direction;

[0015] The first direction is perpendicular to the second direction, and the second direction is a direction from the second mounting portion to the third mounting portion.

[0016] In this embodiment, the first installation component and the second installation component can avoid each other during installation, which can improve installation tightness and enhance space utilization.

[0017] Optionally, the mounting assembly further comprises a snap-fitting portion, which is opposite to and spaced from the second mounting portion; the first mounting portion is clamped between the second mounting portion and the snap-fitting portion; wherein the snap-fitting portion is provided with a fourth mounting hole opposite to the second mounting hole, and the first fixing member is also passed through the fourth mounting hole.

[0018] In this embodiment, a buckling portion is also included, which can disperse the force applied to the first installation portion and improve installation reliability.

[0019] Optionally, the mounting assembly further includes a first connecting portion, and the second mounting portion, the first connecting portion and the snap-fitting portion are sequentially connected to enclose a receiving space, and the first mounting portion is located in the receiving space; the plane where the second mounting portion is located is coplanar with the plane where the third mounting portion is located; or the plane where the second mounting portion is located is not coplanar with the plane where the third mounting portion is located.

[0020] In this embodiment, the second mounting portion, the first connecting portion, and the buckling portion enclose a receiving space, and the first mounting portion is inserted into the receiving space, which can further improve the installation stability.

[0021] Optionally, the mounting assembly further includes a second connecting portion; the third mounting portion, the second connecting portion and the second mounting portion are sequentially connected and enclosed to form a Z-shaped structure.

[0022] In this embodiment, this structure is conducive to the installation of the first fixing member. For example, if the keel is too long, the second installation portion can be raised by the Z-shaped structure, so that there is an installation gap between the second installation portion and the keel.

[0023] Optionally, the first fixing member includes a bolt and a nut that cooperate with each other, and the bolt is respectively passed through the fourth mounting hole, the second mounting hole and the first mounting hole and is threadedly connected to the nut; wherein the buckling portion is provided with a nut limiting structure, or the second mounting portion is provided with a nut limiting structure; the nut limiting structure includes one or at least two limiting portions, and the one or at least two limiting portions form a space for limiting the rotation of the nut; or the nut is a countersunk nut; or the nut is welded to the buckling portion or the second mounting portion.

[0024] In this embodiment, there is a nut limiting structure, which can facilitate the installation of the first fixing member. Further optionally, in this embodiment, the installation component and the photovoltaic component can be fixed into a whole in advance, and then the whole can be fixed on the keel for installation.

[0025] Optionally, a protrusion structure is provided on the side of the snap-fit ​​portion facing the second mounting portion, the fourth mounting hole passes through the snap-fit ​​portion and the protrusion structure, and the fourth mounting hole is a circular hole; or, a protrusion structure is provided on the side of the second mounting portion facing the snap-fit ​​portion, the second mounting hole passes through the second mounting portion and the protrusion structure, and the second mounting hole is a circular hole; wherein the shape of the protrusion structure is adapted to the shape of the first mounting hole, the protrusion structure is filled in the first mounting hole, and the first mounting hole is an elliptical hole.

[0026] In this embodiment, it is compatible with existing photovoltaic modules on the market and improves installation stability. Specifically, the installation holes on the frames of photovoltaic modules widely used on the market are elliptical holes, but after the elliptical holes are installed with bolts, the bolts may be displaced, resulting in unstable installation. In order to improve the installation stability, a raised structure is added, and a circular mounting hole is set on the raised structure, which can improve the installation stability.

[0027] Optionally, the photovoltaic component includes a photovoltaic body, and the orthographic projection of the first mounting part is within the orthographic projection of the photovoltaic body; the number of the photovoltaic components includes multiple, and there is a gap between two adjacent photovoltaic components, and the gap is filled with sealant, or the gap is filled with foam rods and sealant; the width of the gap is 12-20mm; wherein the second fixing member is located in the gap.

[0028] In this embodiment, the installation stability and aesthetics of the entire photovoltaic system can be improved. Specifically, the frame is an inward buckle frame facing the center of the photovoltaic body. The frame is fixed at the lower end to achieve invisible installation and improve aesthetics. The sealant is filled between two adjacent photovoltaic modules, which can play a waterproof and dustproof role and has a beautiful appearance. Furthermore, the gap is 12-20mm, which can support the installation of the second fixing part and improve the installation reliability.

[0029] In the second aspect, an embodiment of the present application provides a photovoltaic charging / swapping station system, including: a charging / swapping station body; the charging / swapping station body is a building, a keel is provided on the charging / swapping station body, and a vehicle-mounted power battery and a power distribution device are provided in the charging / swapping station body; according to the above-mentioned photovoltaic system, the photovoltaic system is arranged on the keel, the photovoltaic components of the photovoltaic system are electrically connected to the power distribution device, the power distribution device is electrically connected to the vehicle-mounted power battery, and the photovoltaic components distribute power to the vehicle-mounted power battery through the power distribution device.

[0030] In this embodiment, a photovoltaic charging / swapping station system is provided, on which a photovoltaic system is installed, which is safe, reliable, beautiful, green and environmentally friendly.

[0031] In the embodiment of the utility model, the mounting assembly is arranged between the photovoltaic assembly and the keel, the first fixing member is respectively provided in the first mounting hole and the second mounting hole, so as to realize the fixing between the photovoltaic assembly and the mounting assembly, and the second fixing member is provided in the third mounting hole and the keel, so as to realize the fixing between the mounting assembly and the keel, so that the photovoltaic assembly can be installed on the building under the connection of the mounting assembly. In the embodiment of the utility model, the first mounting part of the photovoltaic assembly is fixed to the second mounting part of the mounting assembly by the first fixing member, so as to avoid stress concentration between the frame and the photovoltaic assembly and reduce safety hazards.

[0032] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0034] Figure 1 It is a structural schematic diagram of a photovoltaic system in an embodiment of the utility model;

[0035] Figure 2 It is a structural schematic diagram of another photovoltaic system in an embodiment of the utility model;

[0036] Figure 3 It is a structural schematic diagram of an installation assembly in an embodiment of the utility model;

[0037] Figure 4 It is a structural schematic diagram of another installation assembly in an embodiment of the utility model;

[0038] Figure 5 This is a structural diagram of another installation component in the embodiment of the utility model.

[0039] Figure 6 It is the coordination diagram of two adjacent installation components;

[0040] Figure 7 This is a structural schematic diagram of a nut locking structure in an embodiment of the utility model;

[0041] Figure 8 It is a structural schematic diagram of another nut locking structure in an embodiment of the utility model;

[0042] Fig. 9 This is a schematic diagram of a photovoltaic assembly in an embodiment of the utility model that is assembled using four mounting assemblies;

[0043] Fig.10 It is a structural schematic diagram of another photovoltaic assembly in an embodiment of the utility model, which is assembled using four mounting assemblies;

[0044] Fig.11 It is a schematic diagram of the structure of a photovoltaic assembly in an embodiment of the utility model, which is assembled using six mounting assemblies;

[0045] Fig.12 It is a schematic structural diagram of a photovoltaic assembly in an embodiment of the utility model that is assembled using eight mounting assemblies;

[0046] Fig.13 It is a structural schematic diagram of a photovoltaic system in an embodiment of the utility model;

[0047] Fig.14 This utility model embodiment Fig.13 Sectional view at point A;

[0048] Fig.15 This is a structural schematic diagram of a first mounting portion in an embodiment of the utility model;

[0049] Fig.16 It is a structural schematic diagram of an embodiment of the utility model in which a first installation component and a second installation component are alternately distributed.

[0050] Reference numerals:

[0051] 100-installation assembly, 101-first installation assembly, 102-second installation assembly, 1-second installation part, 11-second installation hole, 2-third installation part, 21-third installation hole, 31-first connecting part, 32-second connecting part, 4-fastening part, 41-fourth installation hole, 5-accommodating space, 61-first fixing part, 611-bolt, 612-nut, 62-second fixing part, 7-nut limiting structure, 200-photovoltaic module, 201-first photovoltaic module, 202-second photovoltaic module, 203-frame, 204-first installation part, 2041-first installation hole, 205-photovoltaic body, 300-keel, 400-sealant. DETAILED DESCRIPTION

[0052] The embodiments of the utility model will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0053] The term "first" or "second" in the specification and claims of this application may include one or more of the features explicitly or implicitly. In the description of this utility model, unless otherwise specified, "multiple" means two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / " generally means that the objects connected before and after are in an "or" relationship.

[0054] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0055] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] Combine the following Figure 1-Figure 16The photovoltaic system and photovoltaic charging / swapping station system described in the embodiment of the utility model are described. The photovoltaic system can be installed on the keel 300 of the building, and the photovoltaic system includes a photovoltaic module 200 and a mounting module 100. The photovoltaic module 200 can specifically include two frames 203 arranged opposite to each other, and the lower end of the frame 203 can be provided with a first mounting portion 204, and the first mounting portion 204 is provided with a first mounting hole 2041; the mounting module 100 can be arranged between the photovoltaic module 200 and the keel 300, and can include a connector, a first fixing member 61 and a second fixing member 62, and the connector can include a second mounting portion 1 and a third mounting portion 2; the second mounting portion 1 A second mounting hole 11 is provided, and the second mounting hole 11 and the first mounting hole 2041 are arranged opposite to each other. The first fixing member 61 is respectively penetrated through the first mounting hole 2041 and the second mounting hole 11, and the first fixing member 61 is used to fix the photovoltaic component 200 and the mounting component 100; the third mounting portion 2 is provided with a third mounting hole 21, and the second fixing member 62 is penetrated through the third mounting hole 21 and the keel 300, and the second fixing member 62 is used to fix the mounting component 100 and the keel 300; the orthographic projection of the photovoltaic component 200 on the keel 300 and the orthographic projection of the second fixing member 62 on the keel 300 do not overlap.

[0057] In the embodiment of the utility model, the installation component 100 is arranged between the photovoltaic component 200 and the keel 300, the first fixing member 61 is respectively provided in the first installation hole 2041 and the second installation hole 11, so as to realize the fixation between the photovoltaic component 200 and the installation component 100, and the second fixing member 62 is provided in the third installation hole 21 and the keel 300, so as to realize the fixation between the installation component and the keel 300, so that the photovoltaic component 200 can be installed on the building under the connection of the installation component 100. In the embodiment of the utility model, the first installation part 204 of the photovoltaic component 200 is fixed to the second installation part 1 of the installation component 100 by the first fixing member 61, so as to avoid stress concentration between the frame 203 and the photovoltaic component 200 and reduce safety hazards.

[0058] Optionally, the first fixing member 61 may be a bolt, and the second fixing member 62 may be a screw. Further optionally, the second mounting hole 11 may include at least one, for example, 1, 2, or 3. The third mounting hole 21 may include at least one, for example, 1, 2, or 3. Figure 2 As shown, it includes 2 second mounting holes and 3 third mounting holes, and correspondingly, 2 bolts and 3 screws are required.

[0059] The photovoltaic system described in the embodiment of the utility model may include an installation component 100 and a photovoltaic component. The installation component 100 can be used to install the photovoltaic component 200 on a building. Specifically, the installation component 100 and the photovoltaic component 200 can be first fixed into an integral structure, and then the integral structure can be transported to the installation location, and then fixed to the keel 300 on the building through the installation component 100.

[0060] Specifically, the photovoltaic assembly 200 includes two frames 203 arranged opposite to each other. A first mounting portion 204 may be provided at the lower end of the frame 203 , and a first mounting hole 2041 is provided on the first mounting portion 204 .

[0061] Specifically, the installation component 100 may include a connecting member, a first fixing member 61 and a second fixing member 62. The connecting member may include a second mounting portion 1 and a third mounting portion 2. The second mounting portion 1 may be provided with a second mounting hole 11. The first fixing member 61 is respectively passed through the first mounting hole 2041 and the second mounting hole 11, so as to achieve fixation between the photovoltaic component 200 and the installation component 100.

[0062] Specifically, the first fixing member 61, the first mounting hole 2041 and the second mounting hole 11 can be arranged in a one-to-one correspondence, and the number and position of the first fixing member 61, the first mounting hole and the second mounting hole 11 are arranged in a corresponding manner. At least two first mounting holes 2041 are arranged in sequence and spaced apart along the extension direction of the frame 203, which can increase the number of mounting points between the first mounting portion 204 and the second mounting portion 1. Optionally, the number of the second mounting holes 11 can be 1, 2 or 3. The corresponding first fixing member 61 can be 1, 2 or 3.

[0063] Specifically, the hole distance between two adjacent second mounting holes 11 can be designed according to the hole distance between two adjacent first mounting holes.

[0064] Optionally, the first mounting hole 2041 and the second mounting hole 11 may be through holes, and the corresponding first fixing member 61 may be a screw, which may be screwed into the second mounting hole 11 and the first mounting hole 2041 in sequence to achieve installation and fixation between the mounting component 100 and the photovoltaic component 200.

[0065] Optionally, the first mounting hole 2041 and the second mounting hole 11 can both be threaded holes, and the corresponding first fixing member 61 includes bolts and nuts that cooperate with each other. The bolts can be passed through the corresponding second mounting hole 11 and the first mounting hole 2041 and threadedly connected to the nuts, which can improve the convenience of fastening the mounting assembly 100 and the photovoltaic assembly 200.

[0066] Optionally, a third mounting hole 21 may be provided on the third mounting portion 2 , and the second fixing member 62 is respectively passed through the third mounting hole 21 and the keel 300 , so as to achieve fixation between the mounting assembly 100 and the keel 300 .

[0067] Optionally, the third mounting hole 21 may be a through hole or a threaded hole, and the corresponding second fixing member 62 may be a screw, so that the screw can be screwed into the third mounting hole 21 and the keel 300 in sequence.

[0068] Optionally, the third mounting hole 21 may also be a threaded hole, and the corresponding second fixing member 62 may include a bolt and a nut.

[0069] Optionally, the orthographic projection of the photovoltaic assembly 200 on the keel 300 and the orthographic projection of the second fixing member 62 on the keel 300 do not overlap, which can prevent the photovoltaic assembly 200 from interfering with the second fixing member 62 in fixing the third mounting portion 2 on the keel 300. Further, this structure can facilitate the installation and removal of the second fixing member, thereby facilitating the installation and removal of the photovoltaic assembly.

[0070] Specifically, the second mounting portion 1 and the third mounting portion 2 can be directly connected or indirectly connected, the second mounting portion 1 and the third mounting portion 2 can be integrally formed, or can be spliced ​​together, and can be specifically configured according to actual needs, and the embodiment of the utility model does not specifically limit this.

[0071] Optionally, the second mounting portion 1 and the third mounting portion 2 may both be flat plate structures.

[0072] Optionally, the number of mounting components 100 may include at least two, and at least two mounting components 100 may be respectively disposed on opposite sides of the photovoltaic component 200 , that is, at least one mounting component 100 may be disposed on one side of the photovoltaic component 200 .

[0073] For example, Fig. 9 and Fig.10 , a photovoltaic module 200 can be installed using four mounting assemblies 100; Fig.11 , a photovoltaic module 200 can also be installed using six mounting assemblies 100; Fig.12 , one photovoltaic assembly 200 can also be installed using eight installation assemblies 100 .

[0074] Specifically, the keel 300 may include a transverse keel and a longitudinal keel, the transverse keel may extend along the first direction, and the longitudinal keel may extend along the second direction. Fig.13 , only the transverse keel is shown. The first direction is perpendicular to the second direction, and the second direction is the direction from the second mounting portion 1 to the third mounting portion 2.

[0075] Optionally, the second mounting portion 1 is opposite to and spaced from the keel 300, and there is an installation space for installing the first fixing member 61 between the second mounting portion 1 and the keel 300. In this way, after the second mounting portion 1 and the first mounting portion 204 are fixed using the first fixing member 61, it is convenient to assemble the mounting assembly 100 and the keel 300.

[0076] Optionally, there may be a height difference between the second mounting portion 1 and the third mounting portion 2, so that Figure 2 As shown, when the width of the keel 300 is relatively large, the assembly of the second mounting portion 1 and the third mounting portion 2 can also be performed without interfering with each other, thereby improving the reliability of the assembly of the mounting assembly 100 with the photovoltaic assembly 200 and the keel 300 respectively.

[0077] Optionally, the second mounting portion 1 is located on the side of the keel 300 , so that the first fixing member 61 can be located on one side of the keel, which can avoid the first fixing member 61 interfering with the keel 300 and improve the reliability of installation and fixation between the third mounting portion 2 and the keel 300 .

[0078] Specifically, Figure 1 As shown, when the width of the keel 300 is relatively small, the second mounting portion 1 can be located on one side of the keel 300 , so that the first fixing member 61 and the keel 300 are arranged side by side without interfering with each other.

[0079] Optionally, the length of the second mounting portion 1 in the first direction may be L1, and the length of the third mounting portion 2 in the first direction may be L2, where L2≤L1 / 2; or L1=L2, wherein the first direction is perpendicular to the second direction, and the second direction is the direction from the second mounting portion 1 to the third mounting portion 2.

[0080] In the embodiment of the utility model, in the first direction, the length of the third mounting portion 2 is less than half the length of the second mounting portion 1, so that when fixing two adjacent photovoltaic assemblies 200, the third mounting portions 2 of the two mounting assemblies 100 can be fixed at the same position of the keel 300, which can improve the convenience of arranging the photovoltaic assemblies 200 and the compactness of arranging the photovoltaic assemblies 200. In the first direction, the length of the third mounting portion 2 is equal to the length of the second mounting portion 1, which can improve the structural stability of the mounting assembly 100.

[0081] Specifically, combined Fig.13 and Fig.14 , two adjacent photovoltaic modules 200 can be fixed at the same position of the keel 300. Figure 4 and Figure 5 As shown, the first direction is the direction indicated by arrow S2, and the second direction is the direction indicated by arrow S1.

[0082] Specifically, the length of the second mounting portion 1 along the first direction is greater than the length of the third mounting portion 2 along the first direction, the direction from the second mounting portion 1 to the third mounting portion 2 can be the second direction, and the first direction can be perpendicular to the second direction, so that the second mounting portion 1 and the third mounting portion 2 can be combined to form an L-shaped structure or a T-shaped structure. In the embodiment of the utility model, the size of the second mounting portion 1 is relatively large, which can ensure that there is a large extrusion area between the second mounting portion 1 and the first mounting portion 204, and the size of the third mounting portion 2 is relatively small, so that the third mounting portion 2 can adapt to the size of the keel 300 and reduce the material cost of the third mounting portion 2.

[0083] Further, the first direction may be a length direction of the second mounting portion 1 and the third mounting portion 2 , and the second direction may be a width direction of the second mounting portion 1 and the third mounting portion 2 .

[0084] Specifically, combined Fig. 9 and Fig.10 As shown, two adjacent photovoltaic assemblies 200 include a first photovoltaic assembly 201 and a second photovoltaic assembly 202, the mounting assembly 100 used to assemble the first photovoltaic assembly 201 and close to the second photovoltaic assembly 202 is the first mounting assembly 101, and the mounting assembly 100 used to assemble the second photovoltaic assembly 202 and close to the first photovoltaic assembly 201 is the second mounting assembly 102. The first direction is perpendicular to the second direction, and the second direction is the direction from the second mounting portion 1 to the third mounting portion 2.

[0085] Optionally, L2≤L1 / 2, the first mounting component 101 and the second mounting component 102 are arranged opposite to each other, the second mounting part 1 and the third mounting part 2 of the first mounting component 101 are enclosed to form a first avoidance space, and the second mounting part 1 and the third mounting part 2 of the second mounting component 102 can be enclosed to form a second avoidance space; the third mounting part 2 of the first mounting component 101 is accommodated in the second avoidance space, and the third mounting part 2 of the second mounting component 102 is accommodated in the first avoidance space.

[0086] In an embodiment of the utility model, the third mounting portion 2 of the first mounting component 101 is accommodated in the second avoidance space, and the third mounting portion 2 of the second mounting component 102 is accommodated in the first avoidance space, so that the first mounting component 101 and the second mounting component 102 can be fixed on the same keel 300, and the first mounting component 101 and the second mounting component 102 can be installed in a staggered manner. This structure can make the photovoltaic components compactly installed, improve space utilization, and further reduce the number of keels 300 arranged.

[0087] Optionally, combined Fig. 9 and Fig.10, L2≤L1 / 2, the number of first mounting components 101 is at least two, the shortest distance between two adjacent first mounting components 101 in the first direction is D1, the shortest distance between the third mounting portions 2 of two adjacent first mounting components 101 in the first direction is D2, D2=D1, the number of second mounting components 102 is at least two, the longest distance between two adjacent second mounting components 102 in the first direction is D3, the longest distance between the third mounting portions 2 of two adjacent second mounting components 102 in the first direction is D4, D4=D3, in this way, it is convenient to realize the staggered installation of the third mounting portion 2 of the first mounting component 101 and the third mounting portion 2 of the second mounting component 102.

[0088] Further optionally, D2=D1, so that the distance between the third mounting parts 2 of the two first mounting components 101 is shorter, and the third mounting part 2 can be close to the middle area of ​​the photovoltaic component 200, which can improve the supporting strength of the keel 300 to the photovoltaic component 200.

[0089] Further optionally, D4=D3, so that the distance between the third mounting portions 2 of the two second mounting assemblies 102 is relatively far, so that the distance between two adjacent longitudinal keels is relatively large, and the number of longitudinal keels arranged can be reduced.

[0090] Further optionally, in the embodiment of the present utility model, when fixing the installation assembly 100 and the keel 300, D2 = D1 and / or D4 = D3 may be satisfied, so that flexible installation can be achieved.

[0091] Specifically, Fig. 9 and Fig.10 As shown, the load capacity of the photovoltaic module 200 corresponding to the two installation forms can reach the theoretical optimal state, which can maximize the utilization rate of materials and reduce system costs. When the photovoltaic module 200 selects a double-glass module or increases the thickness of the front and back of the photovoltaic module 200, you can choose Fig.11 and Fig.12 The installation method shown adds installation points.

[0092] Optionally, the first installation components 101 and the second installation components 102 may be arranged alternately along the first direction.

[0093] Specifically, the first mounting portion 204 of the photovoltaic assembly 200 may include a plurality of first mounting holes 2041, for example, Fig.15 The six first mounting holes 2041 are shown. The mounting assembly 100 can be fixed with different first mounting holes 2041. For example, Fig.16As shown, the first mounting component 101 is fixed to the first first mounting hole 2041 on the first photovoltaic component 201, and the second mounting component 102 is fixed to the third first mounting hole 2041 on the second photovoltaic component 202, forming a staggered structure, which can ensure a tight installation and prevent the third mounting parts 2 of the two mounting components 100 from conflicting.

[0094] Optionally, the mounting assembly 100 further includes a snap-fitting portion 4, which is opposite to and spaced from the second mounting portion 1; the first mounting portion 204 is clamped between the second mounting portion 1 and the snap-fitting portion 4; wherein, the snap-fitting portion 4 is provided with a fourth mounting hole 41 opposite to the second mounting hole 11, and the first fixing member 61 is also passed through the fourth mounting hole 41.

[0095] In the embodiment of the utility model, the first mounting portion 204 is sandwiched between the buckle portion 4 and the second mounting portion 1, so that the frame 203 can be buckled and connected with the mounting assembly 100, and the buckle portion 4 and the second mounting portion 1 respectively squeeze the opposite sides of the first mounting portion 204, which can increase the force-bearing area of ​​the first mounting portion 204 and avoid local stress concentration on the first mounting portion 204. In addition, the first fixing member 61 is used to penetrate the fourth mounting hole 41, and the buckle portion 4 can also be fixed by the first fixing member 61.

[0096] Specifically, the snap-fitting portion 4 and the second mounting portion 1 are arranged opposite to each other, and the width of the snap-fitting portion 4 in the second direction can be equal to or smaller than the width of the second mounting portion 1 in the second direction, and the second direction is the direction from the second mounting portion 1 to the third mounting portion 2.

[0097] Specifically, the fourth mounting holes 41 are arranged in a one-to-one correspondence with the second mounting holes 11 .

[0098] Specifically, Fig.11 and Fig.12 As shown, the second mounting portion 1 and the snap-fit ​​portion 4 of the middle mounting component 100 can be connected via the first connecting portion 31, and the mounting portion 204 can be snap-fitted via the accommodating space 5, so that the snap-fit ​​portion 4 and the second mounting portion 1 of the middle mounting component 100 can press the first mounting portion 204, and structural stability can be achieved without nailing in the first mounting hole 2041 and the second mounting hole 11.

[0099] Optionally, the installation assembly 100 may also include a first connecting portion 31; the second installation portion 1, the first connecting portion 31 and the snap-fit ​​portion 4 are sequentially connected to enclose a receiving space 5, and the first installation portion 204 is located in the receiving space 5; the plane where the second installation portion 1 is located is coplanar with the plane where the third installation portion 2 is located; or the plane where the second installation portion 1 is located is not coplanar with the plane where the third installation portion 2 is located.

[0100] In the embodiment of the utility model, the second mounting portion 1, the first connecting portion 31 and the buckling portion 4 enclose a receiving space 5, which can further improve the stability of limiting the first mounting portion 204, and improve the convenience and reliability of installing the mounting component 100 and the photovoltaic component 200.

[0101] Optionally, the height of the first mounting portion 204 is H1, and the second mounting portion 1, the first connecting portion 31 and the snap-fitting portion 4 enclose a receiving space 5 for assembling the first mounting portion 204, and the depth of the receiving space 5 is H2, H1<H2

[0102] Specifically, the snap-fitting portion 4, the first connecting portion 31 and the second mounting portion 1 can be connected in sequence, the first connecting portion 31 can intersect with the snap-fitting portion 4 and the third mounting portion 2 respectively, and the snap-fitting portion 4, the first connecting portion 3 and the third mounting portion 2 are combined to form a U-shaped structure, that is, the accommodating space 5 can be a U-shaped groove.

[0103] Preferably, the first connecting portion 31 is respectively perpendicular to the buckling portion 4 and the second mounting portion 1 , which can further improve the structural stability of the mounting assembly 100 .

[0104] Specifically, the buckling portion 4, the first connecting portion 31 and the second mounting portion 1 can be integrally formed, or can be spliced ​​together. The specific configuration can be based on actual needs, and the embodiment of the utility model does not specifically limit this.

[0105] Specifically, the first fixing member 61, the second mounting hole 11, the first mounting hole 2041 and the fourth mounting hole 41 are arranged in a one-to-one correspondence, and the correspondingly arranged second mounting hole 11, the first mounting hole 2041 and the fourth mounting hole 41 are relative and connected; the first fixing member 61 is passed through the corresponding second mounting hole 11, the first mounting hole 2041 and the fourth mounting hole 41, and is used to install the second mounting part 1 and the first mounting part 204.

[0106] Among them, at least two second mounting holes 11 are arranged in sequence along the first direction at intervals, which can increase the mounting points between the second mounting part 1 and the first mounting part 204. Preferably, at least two second mounting holes 11 are arranged in sequence along the first direction at even intervals to further ensure the reliability of the installation and fixation between the mounting component 100 and the photovoltaic component 200.

[0107] Specifically, the hole distance between two adjacent first mounting holes 2041 is L3, and the lengths of the second mounting portion 1 and the buckling portion 4 in the first direction are both greater than L3+25.

[0108] ​Specifically, the second mounting portion 1 and the third mounting portion 2 can be directly connected to achieve that the plane where the second mounting portion 1 is located is coplanar with the plane where the third mounting portion 2 is located; or, the second mounting portion 1 and the third mounting portion 2 can be indirectly connected to achieve that the plane where the second mounting portion 1 is located is not coplanar with the plane where the third mounting portion 2 is located.

[0109] For example, the process of installing the photovoltaic component 200 and the building using the installation component 100 includes: pre-installation first, clamping the snap-fitting part 4 and the second installation part 1 on the opposite sides of the first installation part 204, aligning the fourth installation hole 41, the first installation hole 2041 and the second installation hole 11; using bolts to pass through the second installation hole 11, the first installation hole 2041 and the fourth installation hole 41 in sequence, and then using nuts to tighten the bolts from the side of the snap-fitting part 4 away from the second installation part 1; placing the third installation part 2 on the keel 300; using screws to pass through the third installation hole 21 and screw into the keel 300, and finally a stable structure can be formed.

[0110] Optionally, the mounting assembly 100 may further include a second connecting portion 32; the third mounting portion 2, the second connecting portion 32 and the second mounting portion 1 are sequentially connected and enclosed to form a Z-shaped structure.

[0111] In the embodiment of the utility model, the second mounting portion 1, the second connecting portion 32 and the third mounting portion 2 are enclosed to form a Z-shaped structure, so that there can be a height difference between the second mounting portion 1 and the third mounting portion 2. Since the second mounting portion 1 is assembled with the first mounting portion 204 and the third mounting portion 2 is assembled with the keel 300, interference between the mounting component 100 and the building and the photovoltaic component 200 can be avoided when they are respectively installed, thereby improving the convenience of assembling the mounting component 100 with the building and the photovoltaic component 200.

[0112] Specifically, the second connection portion 32 intersects with the second mounting portion 1 and the third mounting portion 2 respectively. Preferably, the second connection portion 32 can be perpendicular to the second mounting portion 1 and the third mounting portion 2 respectively, which can improve the structural stability of the mounting assembly 100.

[0113] Specifically, the second mounting portion 1, the second connecting portion 32 and the third mounting portion 2 can be integrally formed or spliced, and can be specifically configured according to actual needs, and the embodiment of the utility model does not specifically limit this.

[0114] Specifically, the length of the second connecting portion 32 in the first direction can be the same as the length of the second mounting portion 1 in the first direction, or the length of the second connecting portion 32 in the first direction can be the same as the length of the third mounting portion 2 in the first direction. The specific setting can be based on actual needs, and the embodiment of the utility model does not specifically limit this.

[0115] Specifically, Figure 7 and Figure 8 As shown, the mounting assembly 100 includes a second mounting portion 1, a second connecting portion 32, a third mounting portion 2, a first connecting portion 31 and a buckling portion 4 which are connected in sequence.

[0116] In some optional embodiments of the present invention, the first fixing member 61 may include a bolt 611 and a nut 612 that cooperate with each other. The bolt 611 is respectively passed through the fourth mounting hole 41, the second mounting hole 11 and the first mounting hole 2041 and is threadedly connected to the nut 612, which can improve the convenience of fastening the mounting assembly 100 and the photovoltaic assembly 200.

[0117] Specifically, the fourth mounting hole 41, the first mounting hole 2041 and the second mounting hole 11 can all be threaded holes, so that the bolt 611 can be screwed into the second mounting hole 11, the first mounting hole 2041 and the fourth mounting hole 41 in sequence, and then the nut 612 is used to tighten the bolt 611 from the side of the snap-fit ​​portion 4 away from the second mounting portion 1.

[0118] Alternatively, if Figure 7 and Figure 8 As shown, the snap-fitting portion 4 is provided with a nut limiting structure 7, or the second mounting portion 1 is provided with a nut limiting structure 7; the nut limiting structure 7 includes one or at least two limiting portions, and one or at least two limiting portions form a limiting space for limiting the rotation of the nut 612. In this way, the nut 612 can be limited by using the limiting space first, and then the bolt 611 can be rotated to achieve tightening between the bolt 611 and the nut 612, thereby improving the operational convenience of the first fixing member 61 to fasten the mounting assembly 100 and the photovoltaic assembly 200.

[0119] Specifically, a nut limiting structure 7 may be provided on the side of the snap-fitting portion 4 away from the second mounting portion 1, and the nut limiting structure 7 and the fourth mounting hole 41 are arranged in a one-to-one correspondence; and / or, a nut limiting structure 7 is provided on the side of the second mounting portion 1 away from the snap-fitting portion 4, and the limiting component 7 and the second mounting hole 11 are arranged in a one-to-one correspondence.

[0120] Specifically, the limiting portion may be a limiting column or a limiting protrusion, etc.

[0121] Optionally, the nut 612 can be a countersunk nut, or the nut 612 can be welded to the snap-fit ​​portion 4 or the second mounting portion 1, so that the nut 612 can be fixed to the snap-fit ​​portion 4 or the second mounting portion 1 as a whole, which can further improve the limiting effect of the nut 612.

[0122] Optionally, a protruding structure is provided on the side of the snap-fitting portion 4 facing the second mounting portion 1, and a fourth mounting hole 41 passes through the snap-fitting portion 4 and the protruding structure, wherein the shape of the protruding structure is the same as the shape of the first mounting hole 2041, and the protruding structure is filled in the first mounting hole 2041. In this way, the protruding structure cooperates with the first mounting hole 2041 and the first fixing member 61 respectively, and the fourth mounting hole 41 is a round hole, which can prevent the first fixing member 61 from shaking, thereby improving the convenience of the first fixing member 61 in fastening the installation assembly 100 and the photovoltaic assembly 200.

[0123] Specifically, the protruding structure can be integrally formed with the buckling portion 4 , and the fourth mounting hole 41 can pass through the protruding structure and the buckling portion 4 .

[0124] Optionally, a protruding structure is provided on the side of the second mounting portion 1 facing the snap-fit ​​portion 4, and the second mounting hole 11 passes through the second mounting portion 1 and the protruding structure; wherein, the shape of the protruding structure is the same as the shape of the first mounting hole 2041, and the protruding structure is filled in the first mounting hole 2041, so that the protruding structure cooperates with the first mounting hole 2041 and the first fixing member 61 respectively, and the second mounting hole 11 is a round hole, which can prevent the first fixing member 61 from shaking, thereby improving the convenience of the first fixing member 61 in fastening the installation assembly 100 and the photovoltaic assembly 200.

[0125] Specifically, the protruding structure and the second mounting portion 1 may be integrally formed, and the second mounting hole 11 may pass through the protruding structure and the second mounting portion 1 .

[0126] Optionally, the photovoltaic component 200 includes a photovoltaic body 205, and the orthographic projection of the first mounting portion 204 is within the orthographic projection of the photovoltaic body 205, so that the first mounting portion 204 and the photovoltaic body 205 are opposite to each other and are arranged at an interval, and the first mounting portion 204, the frame 203 and the photovoltaic body 205 are enclosed to form a snap-fitting space; the snap-fitting portion 4 of the mounting component 100 can be snapped into the snap-fitting space, so that the snap-fitting portion 4 and the second mounting portion 1 of the mounting component 100 can be hidden on the backlight side of the photovoltaic body 205, which can improve the overall aesthetic performance of the photovoltaic system.

[0127] Optionally, the number of photovoltaic components 200 may include at least two, and there is a gap between two adjacent photovoltaic components 200; the gap may be filled with sealant 400, or the gap may be filled with foam rods and sealant 400; the width of the gap may be 12-20mm; wherein the second fixing member 62 is located in the gap.

[0128] In the embodiment of the utility model, the gap between two adjacent photovoltaic components 200 is filled with sealant 400, or filled with foam rods and sealant 400, so as to achieve waterproof performance; moreover, the second fixing member 62 is located in the gap, so that the sealant 400 can cover the second fixing member 62, so as to completely hide the installation component 100, and further improve the overall aesthetic performance of the photovoltaic system; in addition, filling the sealant 400 between two adjacent photovoltaic components 200 can also adapt to the deformation of the photovoltaic component 200 caused by thermal expansion and contraction.

[0129] Specifically, filling the gap with the foam rod and the sealant 400 can also save the amount of the sealant 400 used, thereby saving costs.

[0130] Specifically, in the embodiment of the utility model, the snap-fitting portion 4 and the second mounting portion 1 of the mounting component 100 can be hidden on the backlight surface of the photovoltaic body 205. Moreover, by filling the gap between two adjacent photovoltaic components 200 with sealant 400, the second mounting portion 1 and the second fixing member 62 can also be hidden, so that the mounting component 100 can be installed in a hidden manner.

[0131] The photovoltaic system described in the embodiment of the utility model has at least the following advantages:

[0132] The mounting assembly is arranged between the photovoltaic assembly and the keel, the first fixing member is respectively provided in the first mounting hole and the second mounting hole, so as to fix the photovoltaic assembly and the mounting assembly, and the second fixing member is provided in the third mounting hole and the keel, so as to fix the mounting assembly and the keel, so that the photovoltaic assembly can be installed on the building under the connection of the mounting assembly. In the embodiment of the utility model, the first mounting part of the photovoltaic assembly is fixed to the second mounting part of the mounting assembly by the first fixing member, so as to avoid stress concentration on the frame and the photovoltaic assembly and reduce safety hazards.

[0133] In the second aspect, an embodiment of the utility model also discloses a photovoltaic charging / swapping station system, including a charging / swapping station body; the charging / swapping station body is a building, a keel is arranged on the charging / swapping station body, and a vehicle-mounted power battery and a power distribution device are arranged in the charging / swapping station body; the above-mentioned photovoltaic system, the photovoltaic system is arranged on the keel, the photovoltaic components of the photovoltaic system are electrically connected to the power distribution device, the power distribution device is electrically connected to the vehicle-mounted power battery, and the photovoltaic components distribute power to the vehicle-mounted power battery through the power distribution device.

[0134] In the embodiment of the utility model, the photovoltaic assembly and the power distribution device can be combined to realize the power distribution of the vehicle-mounted power battery. Moreover, the photovoltaic system can be installed on the keel on the charging / swapping station body through the installation assembly, and the fixing method is simple and convenient.

[0135] Specifically, the charging / swapping station body can be in the form of one of the buildings, and the power distribution device can be a power cabinet. Both the generated electricity and the used electricity come out of the power cabinet. The power cabinet can distribute the electricity generated by the photovoltaic modules to the power-consuming equipment, including the vehicle-mounted power battery.

[0136] The photovoltaic charging / swapping station system described in the embodiment of the utility model has at least the following advantages:

[0137] The mounting assembly is arranged between the photovoltaic assembly and the keel, the first fixing member is respectively provided in the first mounting hole and the second mounting hole, so as to fix the photovoltaic assembly and the mounting assembly, and the second fixing member is provided in the third mounting hole and the keel, so as to fix the mounting assembly and the keel, so that the photovoltaic assembly can be installed on the building under the connection of the mounting assembly. In the embodiment of the utility model, the first mounting part of the photovoltaic assembly is fixed to the second mounting part of the mounting assembly by the first fixing member, so as to avoid stress concentration on the frame and the photovoltaic assembly and reduce safety hazards.

[0138] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0139] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A photovoltaic system, characterized in that: The photovoltaic system is installed on the keel of the building and includes: A photovoltaic assembly comprises two frames arranged opposite to each other, a first mounting portion is arranged at the lower end of the frame, and a first mounting hole is arranged on the first mounting portion; An installation component is arranged between the photovoltaic component and the keel, comprising a connecting member, a first fixing member and a second fixing member, wherein the connecting member comprises a second installation portion and a third installation portion; The second mounting portion is provided with a second mounting hole, the second mounting hole and the first mounting hole are arranged opposite to each other, the first fixing member is respectively passed through the first mounting hole and the second mounting hole, and the first fixing member is used to fix the photovoltaic assembly and the mounting assembly; The third mounting portion is provided with a third mounting hole, the second fixing member is passed through the third mounting hole and the keel, and the second fixing member is used to fix the mounting assembly and the keel; The orthographic projection of the photovoltaic component on the keel and the orthographic projection of the second fixing member on the keel do not overlap.

2. The photovoltaic system according to claim 1, characterized in that: The second mounting portion is opposite to the keel and spaced apart from each other, and there is an installation space for installing the first fixing member between the second mounting portion and the keel; or The second mounting portion is located on a side surface of the keel.

3. The photovoltaic system according to claim 1, characterized in that: The length of the second mounting portion in the first direction is L1, the length of the third mounting portion in the first direction is L2, L2≤L1 / 2; or L1=L2, The first direction is perpendicular to the second direction, and the second direction is a direction from the second mounting portion to the third mounting portion.

4. The photovoltaic system according to claim 1, characterized in that: The two adjacent photovoltaic components include a first photovoltaic component and a second photovoltaic component, the mounting component used to assemble the first photovoltaic component and close to the second photovoltaic component is the first mounting component, and the mounting component used to assemble the second photovoltaic component and close to the first photovoltaic component is the second mounting component; wherein, L2≤L1 / 2, the first mounting assembly and the second mounting assembly are arranged opposite to each other, the second mounting portion and the third mounting portion of the first mounting assembly enclose a first avoidance space, the second mounting portion and the third mounting portion of the second mounting assembly enclose a second avoidance space, the third mounting portion of the first mounting assembly is accommodated in the second avoidance space, and the third mounting portion of the second mounting assembly is accommodated in the first avoidance space; or L2≤L1 / 2, the number of the first mounting components is at least two, the shortest distance between two adjacent first mounting components in the first direction is D1, the shortest distance between the third mounting portions of two adjacent first mounting components in the first direction is D2, D2=D1, the number of the second mounting components is at least two, the longest distance between two adjacent second mounting components in the first direction is D3, the longest distance between the third mounting portions of two adjacent second mounting components in the first direction is D4, D4=D3; or The first installation components and the second installation components are alternately arranged along the first direction; The first direction is perpendicular to the second direction, and the second direction is a direction from the second mounting portion to the third mounting portion.

5. The photovoltaic system according to claim 1, characterized in that: The mounting assembly further comprises a buckling portion, the buckling portion being opposite to and spaced from the second mounting portion; The first mounting portion is sandwiched between the second mounting portion and the buckling portion; Wherein, the buckling portion is provided with a fourth mounting hole opposite to the second mounting hole, and the first fixing member is also passed through the fourth mounting hole.

6. The photovoltaic system according to claim 5, characterized in that: The mounting assembly further includes a first connecting portion, the second mounting portion, the first connecting portion and the buckling portion are sequentially connected to enclose a receiving space, and the first mounting portion is located in the receiving space; The plane where the second mounting portion is located is coplanar with the plane where the third mounting portion is located; or the plane where the second mounting portion is located is not coplanar with the plane where the third mounting portion is located.

7. The photovoltaic system according to claim 5, characterized in that: The mounting assembly further includes a second connecting portion; The third mounting portion, the second connecting portion and the second mounting portion are sequentially connected and enclosed to form a Z-shaped structure.

8. The photovoltaic system according to claim 6, characterized in that: The first fixing member includes a bolt and a nut that cooperate with each other, the bolt is respectively inserted into the fourth mounting hole, the second mounting hole and the first mounting hole and is threadedly connected to the nut; Wherein, the buckling portion is provided with a nut limiting structure, or the second mounting portion is provided with a nut limiting structure; the nut limiting structure includes one or at least two limiting portions, and the one or at least two limiting portions form a limiting space for limiting the rotation of the nut; or The nut is a countersunk nut; or The nut is welded on the buckling portion or the second mounting portion.

9. The photovoltaic system according to claim 5, characterized in that: A protrusion structure is provided on one side of the buckling portion facing the second mounting portion, the fourth mounting hole passes through the buckling portion and the protrusion structure, and the fourth mounting hole is a round hole; or, A protrusion structure is provided on one side of the second mounting portion facing the buckling portion, the second mounting hole passes through the second mounting portion and the protrusion structure, and the second mounting hole is a round hole; The shape of the protruding structure matches the shape of the first mounting hole, the protruding structure is filled in the first mounting hole, and the first mounting hole is an elliptical hole.

10. The photovoltaic system according to claim 1, characterized in that: The photovoltaic assembly includes a photovoltaic body, and the orthographic projection of the first mounting portion is within the orthographic projection of the photovoltaic body; The number of the photovoltaic modules includes at least two, and there is a gap between two adjacent photovoltaic modules, and the gap is filled with sealant, or the gap is filled with a foam rod and sealant; The width of the gap is 12-20 mm; Wherein, the second fixing member is located in the gap.

11. A photovoltaic charging / swapping station system, characterized in that: include: The charging / swapping station body; the charging / swapping station body is a building, a keel is provided on the charging / swapping station body, and a vehicle-mounted power battery and a power distribution device are provided in the charging / swapping station body; According to any one of claims 1 to 10, the photovoltaic system is arranged on the keel, the photovoltaic components of the photovoltaic system are electrically connected to the power distribution device, the power distribution device is electrically connected to the vehicle-mounted power battery, and the photovoltaic components distribute power to the vehicle-mounted power battery through the power distribution device.

Images