Flexible photovoltaic power generation device, photovoltaic power generation system and vehicle

Abstract

The present application provides a flexible photovoltaic power generation device, including a flexible photovoltaic component and a flexible cover, wherein the flexible photovoltaic component includes a first surface and a second surface relative to each other; the flexible cover includes a bearing portion, a fixing portion and a telescopic portion, wherein the bearing portion is disposed on one side of the first surface of the flexible photovoltaic component and is fixedly connected to the first surface; the fixing portion is at least partially arranged around the edge of the bearing portion, and extends from the edge of the bearing portion along the direction of the first surface of the flexible photovoltaic component to define a receiving space, wherein the receiving space is used to receive a mounting portion so that the flexible photovoltaic power generation device is sleeved on the mounting portion; the telescopic portion is at least partially arranged around the edge of the fixing portion, and the telescopic portion is configured to form an opening that can be expanded or tightened at the edge of the fixing portion. The flexible photovoltaic power generation device provided by the present application can simplify the structure of the flexible photovoltaic power generation device, facilitate the installation and disassembly of the flexible photovoltaic power generation device, and reduce the installation cost of the flexible photovoltaic power generation device.

Description

Technical Field

[0001] The present application relates to the field of photovoltaic power generation technology, and in particular to a flexible photovoltaic power generation device, a photovoltaic power generation system and a vehicle. Background Art

[0002] Golf carts are convenient and environmentally friendly short-distance transportation tools, and are very popular among golf enthusiasts. Existing golf carts are mostly powered by batteries, and a solar power generation device is installed on the roof of the golf cart to charge the battery of the golf cart to ensure that the golf cart has sufficient mileage.

[0003] In the related art, there are two main ways to install solar power generation devices on golf carts. One is to glue the solar power generation device to the roof of the car with glue; this method is cumbersome to operate, and once installed, it cannot be disassembled or the roof needs to be destroyed to disassemble, and the glue has a limited lifespan. Once it ages beyond its service life, it will cause debonding and fail to securely fix the solar power generation device. Another method is to drill holes in the roof of the car, and then fix the solar power generation device to the roof with screws and nuts; this method is also cumbersome to operate, and requires additional mounting brackets, and will cause certain damage to the original roof, and even cause water leakage. In addition, the roof of some golf carts is not necessarily horizontal, and it is difficult to make the solar power generation device and the roof fit well with screws and nuts. Summary of the invention

[0004] Based on this, it is necessary to provide a flexible photovoltaic power generation device, a photovoltaic power generation system and a vehicle, aiming to simplify the structure of the flexible photovoltaic power generation device, facilitate the installation and disassembly of the flexible photovoltaic power generation device, and reduce the installation cost of the flexible photovoltaic power generation device.

[0005] An embodiment of the first aspect of the present application provides a flexible photovoltaic power generation device, which includes a flexible photovoltaic component and a flexible cover, wherein the flexible photovoltaic component includes a first surface and a second surface relative to each other; the flexible cover includes a bearing portion, a fixing portion and a telescopic portion, wherein the bearing portion is arranged on one side of the first surface of the flexible photovoltaic component and is fixedly connected to the first surface; the fixing portion is at least partially arranged around the edge of the bearing portion, and extends from the edge of the bearing portion along the direction of the first surface of the flexible photovoltaic component to define a accommodating space, wherein the accommodating space is used to accommodate an installation portion so that the flexible photovoltaic power generation device can be mounted on the installation portion; the telescopic portion is at least partially arranged around the edge of the fixing portion, and the telescopic portion is configured to form an opening that can be expanded or tightened at the edge of the fixing portion.

[0006] In the embodiment of the present application, the installation and disassembly of the flexible photovoltaic power generation device and the mounting portion can be achieved by tightening and stretching the telescopic portion. The installation and disassembly method is simple and convenient. During the installation process, there is no need to modify the structure of the mounting portion, and there is no need to set up additional connecting brackets. This can reduce the installation cost of the flexible photovoltaic power generation device and improve the installation efficiency and disassembly efficiency of the flexible photovoltaic power generation device. The flexible photovoltaic power generation device has good flexibility. Under the condition of ensuring normal photovoltaic power generation performance, the flexible photovoltaic power generation device can be well attached to the surface of different types of mounting portions. There is no need to set up a dedicated flexible photovoltaic power generation device to connect with different mounting portions. This can further reduce the installation cost of the flexible photovoltaic power generation device and expand the application scope of the flexible photovoltaic power generation device.

[0007] In some embodiments, the flexible photovoltaic assembly includes a plurality of photovoltaic cells electrically connected to each other, adjacent photovoltaic cells are connected by flexible wires, and along a direction perpendicular to the photovoltaic cells, an orthographic projection of each photovoltaic cell is located within an orthographic projection of the supporting portion.

[0008] In some embodiments, the telescopic part is an annular elastic component, and a closed annular channel is provided on the side edge of the fixed part away from the bearing part, and the telescopic part is inserted into the annular channel; or, the telescopic part is an annular elastic component, and the telescopic part is arranged on at least one surface of the edge of the fixed part; or, the telescopic part is an annular elastic component, and the telescopic part is arranged on the edge of the fixed part.

[0009] In some embodiments, the telescopic part is a connecting rope, and a channel is provided on an edge ring of a side of the fixing part away from the bearing part, and the channel is provided with at least one opening part. The telescopic part is inserted into the channel, and the telescopic part extends from the channel through each of the opening parts to form two free ends.

[0010] In some embodiments, the two free ends are used to expand or tighten the opening by tying a knot; alternatively, the flexible photovoltaic power generation device further includes a spring buckle, the two free ends are connected to the spring buckle, and the opening is expanded or tightened by adjusting the relative position of the spring buckle and the free ends.

[0011] In some embodiments, the first surface of the flexible photovoltaic component and the supporting portion are connected by bonding, thermal fusion or sewing.

[0012] In some embodiments, the flexible photovoltaic power generation device further includes an even number of first connecting ropes, which are disposed at edges of the fixing portion and are symmetrically disposed around the flexible photovoltaic assembly.

[0013] In some embodiments, the flexible photovoltaic power generation device also includes a junction box, which is connected to the flexible photovoltaic component, and the junction box is arranged on the side of the flexible photovoltaic component away from the flexible cover, or the junction box is arranged on the side of the flexible cover away from the flexible photovoltaic component.

[0014] An embodiment of the second aspect of the present application provides a photovoltaic power generation system, comprising: an energy storage battery, a photovoltaic controller and any of the above-mentioned flexible photovoltaic power generation devices, wherein the flexible photovoltaic power generation device charges the energy storage battery through the photovoltaic controller.

[0015] An embodiment of the third aspect of the present application provides a vehicle, comprising a mounting portion and any one of the flexible photovoltaic power generation devices described above, wherein the mounting portion is a roof of the vehicle.

[0016] In the flexible photovoltaic power generation device included in the vehicle provided by the present application, the installation and disassembly of the flexible photovoltaic power generation device and the mounting portion can be achieved by tightening and stretching the telescopic portion. The installation and disassembly methods are simple and convenient, and during the installation process, there is no need to make any modifications to the structure of the mounting portion, nor is there any need to set up additional connecting brackets, which can reduce the installation cost of the flexible photovoltaic power generation device and improve the installation efficiency and disassembly efficiency of the flexible photovoltaic power generation device. The flexible photovoltaic power generation device has good flexibility. Under the condition of ensuring normal photovoltaic power generation performance, the flexible photovoltaic power generation device can be well attached to the surface of different types of mounting portions. There is no need to set up a dedicated flexible photovoltaic power generation device to connect with different mounting portions, which can further reduce the installation cost of the flexible photovoltaic power generation device and expand the application scope of the flexible photovoltaic power generation device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic structural diagram of a flexible photovoltaic power generation device in one embodiment of the present application;

[0018] Figure 2 This is a structural schematic diagram of a flexible photovoltaic power generation device in an embodiment of the present application when the telescopic part is a connecting rope;

[0019] Figure 3 This is a schematic structural diagram of a flexible photovoltaic power generation device in another embodiment of the present application;

[0020] Figure 4 This is a schematic structural diagram of a flexible photovoltaic power generation device in an embodiment of the present application when the junction box is located on a side of the flexible photovoltaic assembly away from the flexible cover;

[0021] Figure 5 This is a schematic structural diagram of a flexible photovoltaic power generation device in an embodiment of the present application when the junction box is located on a side of the flexible cover away from the flexible photovoltaic assembly;

[0022] Figure 6 This is a schematic structural diagram of a flexible photovoltaic power generation device in another embodiment of the present application;

[0023] Figure 7 This is a schematic structural diagram of a flexible photovoltaic power generation device having two openings in one embodiment of the present application;

[0024] Figure 8 This is a schematic structural diagram of a flexible photovoltaic power generation device having four openings in one embodiment of the present application;

[0025] Fig. 9 This is a schematic structural diagram of a flexible photovoltaic power generation device according to an embodiment of the present application when the first connecting rope is not connected;

[0026] Fig.10 This is a schematic diagram of the structure of a flexible photovoltaic power generation device when the first connecting rope is connected in one embodiment of the present application;

[0027] Fig.11 A schematic diagram of a flexible photovoltaic power generation device and a mounting portion to be connected in one embodiment of the present application;

[0028] Fig.12 A schematic diagram of the connection between the flexible photovoltaic power generation device and the mounting portion in one embodiment of the present application;

[0029] Figure numerals: flexible photovoltaic power generation device-10, flexible photovoltaic component-1, first surface-11, second surface-12, photovoltaic cell-13, flexible cover-2, bearing part-21, fixing part-22, channel-221, telescopic part-23, junction box-3, first connecting rope-4, vehicle-20, installation part-201. DETAILED DESCRIPTION

[0030] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0032] When describing positional relationships, unless otherwise specified, when an element such as a layer, film, or substrate is referred to as being "on" another element, it can be directly on the other element or there may be intervening elements. Further, when a layer is referred to as being "under" another layer, it can be directly under or there may be one or more intervening elements. It is also understood that when a layer is referred to as being "between" two layers, it can be the only layer between the two layers or there may be one or more intervening elements.

[0033] In the case of using “including”, “having”, and “comprising” described herein, another component may be added unless a clear limiting term such as “only”, “consisting of”, etc. is used. Unless mentioned otherwise, a term in the singular form may include a plural form and should not be understood as being one in number.

[0034] It should be understood that although the terms "first", "second", etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element may be referred to as a second element, and similarly, a second element may be referred to as a first element without departing from the scope of the present application.

[0035] It should also be understood that when interpreting an element, even if not explicitly described, the element is interpreted as including a range of error, which should be within the acceptable deviation range of the specific value determined by those skilled in the art. For example, "approximately", "approximately" or "substantially" can mean within one or more standard deviations, which are not limited here.

[0036] Furthermore, in the specification, the phrase “planar distribution schematic diagram” refers to a drawing when a target portion is viewed from above, and the phrase “cross-sectional schematic diagram” refers to a drawing when a section taken by vertically cutting the target portion is viewed from the side.

[0037] In addition, the drawings are not drawn to a 1:1 scale, and the relative sizes of the elements in the drawings are drawn only as examples and not necessarily according to the true scale.

[0038] Golf carts are convenient and environmentally friendly short-distance transportation tools, and are very popular among golf enthusiasts. Existing golf carts are mostly driven by batteries, but the battery capacity is limited, and golf carts are prone to low power and other situations, which limits the mileage of golf carts. Therefore, it is an environmentally friendly and efficient solution to install a photovoltaic power generation device on the roof of the golf cart to charge the battery of the golf cart to ensure that the golf cart has sufficient mileage.

[0039] In the related art, the solar power generation device in the photovoltaic power generation device is generally connected to the roof of the golf cart by bolt locking or adhesive connection. Specifically, the adhesive connection method is to directly bond the solar power generation device to the roof of the golf cart with a connecting glue. During the connection process, the uniformity of the connecting glue is difficult to ensure, the operation is troublesome, and the service life of the connecting glue is limited. In the case of a long application time or a relatively harsh application environment, the connecting glue is prone to debonding, which leads to failure of the connection between the solar power generation device and the roof, resulting in the solar power generation device falling, etc., affecting the power supply of the photovoltaic power generation device. The bolt locking method is to drill holes on the roof of the golf cart, and then use screws, nuts and other threaded connectors to fix the solar power generation device to the roof, which will cause certain damage to the roof, and there are problems such as sealing after drilling, which is troublesome to operate. In addition, the roof of some golf carts is not necessarily horizontal, and it is difficult to make the solar power generation device and the roof fit well with screws and nuts. In order to ensure the connection quality of the solar power generation device, it is necessary to set an additional connection bracket, and the connection method is relatively cumbersome.

[0040] The installation and disassembly of the solar power generation device in the related art is troublesome, and in some cases, it is even impossible to disassemble the solar power generation device. For example, in order to ensure the connection stability between the solar power generation device and the ceiling, the adhesive performance of the connection glue is better, which makes it difficult to peel off some of the connection glue during disassembly, making it difficult to disassemble the solar power generation device, and forced disassembly may even damage the ceiling; or screws, nuts and other threaded connectors rust during long-term use, making them unable to loosen, making it difficult to disassemble the solar power generation device and affecting the appearance of the golf cart.

[0041] Based on the above problems, the present application provides a flexible photovoltaic power generation device, a photovoltaic power generation system and a vehicle, aiming to simplify the structure of the flexible photovoltaic power generation device, facilitate the installation and disassembly of the flexible photovoltaic power generation device, and reduce the installation cost of the flexible photovoltaic power generation device.

[0042] The embodiment of the first aspect of the present application provides a flexible photovoltaic power generation device 10, such as Figures 1 to 6As shown, the flexible photovoltaic power generation device 10 includes a flexible photovoltaic component 1 and a flexible cover 2, the flexible photovoltaic component 1 includes a first surface 11 and a second surface 12 relative to each other; the flexible cover 2 includes a bearing portion 21, a fixing portion 22 and a telescopic portion 23, the bearing portion 21 is arranged on one side of the first surface 11 of the flexible photovoltaic component 1 and is fixedly connected to the first surface 11; the fixing portion 22 is at least partially arranged around the edge of the bearing portion 21, and extends from the edge of the bearing portion 21 along the direction of the first surface 11 of the flexible photovoltaic component 1 to define a accommodating space, the accommodating space is used to accommodate a mounting portion 201 so that the flexible photovoltaic power generation device 10 is mounted on the mounting portion 201; the telescopic portion 23 is at least partially arranged around the edge of the fixing portion 22, and the telescopic portion 23 is configured to form an opening that can be expanded or tightened at the edge of the fixing portion 22.

[0043] In the present application embodiment, Figures 1 to 6 As shown, the material of the flexible cover 2 includes but is not limited to vinyl fabric, nylon fabric and fiber fabric, so that the flexible cover 2 has good flexibility. When the flexible photovoltaic power generation device 10 is connected to the mounting portion 201, the tightness of the telescopic portion 23 is first adjusted to expand the opening formed by the edge portion of the fixing portion 22, so that the area of ​​the opening is larger than the area of ​​the mounting portion 201, so that the flexible photovoltaic power generation device 10 can be simply and quickly mounted on the mounting portion 201, so that the mounting portion 201 is accommodated in the accommodation space defined by the fixing portion 22. Among them, the equipment to be powered can be an energy storage battery or an electrical load, and the mounting portion 201 can be the roof of a golf cart. It should be noted that the flexible photovoltaic power generation device 10 of the embodiment of the present application is not limited to the specific shape or size of the mounting portion 201. It can be understood that as long as the mounting portion 201 has a certain rigid structure sufficient to support the flexible photovoltaic power generation device 10, it can be applied to the embodiment of the present application. In a typical application scenario, the mounting portion 201 can be the roof of a golf cart, the roof of a courier truck, roof tiles, the roof of an RV, the top of a tent, a window or glass of a house, etc.

[0044] In the present application embodiment, Figures 1 to 6As shown, after the flexible photovoltaic power generation device 10 is sleeved on the mounting portion 201, the tightness of the telescopic portion 23 is adjusted again, so that the opening formed by the edge of the fixing portion 22 is tightened, and the area of ​​the opening is smaller than the area of ​​the mounting portion 201, so that the mounting portion 201 can be prevented from being separated from the accommodating space formed by the fixing portion 22, thereby improving the connection firmness between the flexible photovoltaic power generation device 10 and the mounting portion 201. At this time, the bearing portion 21 connected to the first surface 11 of the flexible photovoltaic component 1 in the flexible cover body 2 is in contact with the top surface of the mounting portion 201, and the flexible photovoltaic component 1 covers the mounting portion 201, so that the flexible photovoltaic power generation component and the mounting portion 201 are tightly connected, and the fixing portion 22 connected to the bearing portion 21 covers the side of the mounting portion 201, or the fixing portion 22 connected to the bearing portion 21 covers at least a part of the side and bottom surface of the mounting portion 201.

[0045] In the embodiment of the present application, when the flexible photovoltaic power generation device 10 is disassembled from the mounting portion 201, the tightness of the telescopic portion 23 can be adjusted again, so that the opening formed by the edge portion of the fixed portion 22 is enlarged, and the area of ​​the opening is larger than the area of ​​the mounting portion 201, so that the flexible photovoltaic power generation device 10 can be easily and quickly detached from the mounting portion 201.

[0046] In the embodiment of the present application, the flexible photovoltaic power generation device 10 has good bendability. When the area of ​​the mounting portion 201 is certain, under the condition of ensuring normal photovoltaic power generation performance, the flexible photovoltaic power generation device 10 can be fixedly connected with different mounting portions 201 through the flexible cover 2. The mounting portion 201 can be a plane mounting portion 201, an inclined mounting portion 201, a curved mounting portion 201 or a spliced ​​mounting portion 201. The spliced ​​mounting portion 201 is a mounting portion 201 formed by a plane, an inclined surface or a curved surface. There is no need to set up a dedicated flexible photovoltaic power generation device 10 to connect with different mounting portions 201, nor is there a need to change the structure of the mounting portion 201, and to set up an additional connecting bracket, which can reduce the installation cost of the flexible photovoltaic power generation device 10 and expand the application range of the flexible photovoltaic power generation device 10.

[0047] In the embodiment of the present application, the installation and disassembly of the flexible photovoltaic power generation device 10 and the mounting portion 201 can be achieved by tightening and stretching the telescopic portion 23. The installation and disassembly method is simple and convenient. During the installation process, there is no need to modify the structure of the mounting portion 201, and there is no need to set up additional connecting brackets. This can reduce the installation cost of the flexible photovoltaic power generation device 10 and improve the installation efficiency and disassembly efficiency of the flexible photovoltaic power generation device 10. The flexible photovoltaic power generation device 10 has good flexibility. Under the condition of ensuring normal photovoltaic power generation performance, the flexible photovoltaic power generation device 10 can be well attached to the surface of different types of mounting portions 201. There is no need to set up a dedicated flexible photovoltaic power generation device 10 to connect with different mounting portions 201. This can further reduce the installation cost of the flexible photovoltaic power generation device 10 and expand the application range of the flexible photovoltaic power generation device 10.

[0048] Alternatively, if Figure 3 and Figure 6 As shown, the bearing portion 21 and the fixing portion 22 can be integrally formed of the same material to further simplify the structure and manufacturing process of the flexible photovoltaic power generation device 10 and facilitate the installation and disassembly of the flexible photovoltaic power generation device 10 .

[0049] In some embodiments, Figures 1 to 6 As shown, the flexible photovoltaic assembly 1 includes a plurality of photovoltaic cells 13 electrically connected to each other, and adjacent photovoltaic cells 13 are connected by flexible wires. In a direction perpendicular to the photovoltaic cells 13, the orthographic projection of each photovoltaic cell 13 is located within the orthographic projection of the bearing portion 21. The plurality of photovoltaic cells 13 and the flexible wires enable the flexible photovoltaic assembly 1 to be bent or rolled during installation and removal, so that the flexible photovoltaic power generation device 10 formed by the flexible photovoltaic assembly 1 and the flexible cover 2 has good bending performance, so that the flexible photovoltaic power generation device 10 can be bent or rolled during installation and removal while ensuring the photovoltaic power generation performance of the flexible photovoltaic power generation device 10. At the same time, for different types of mounting portions 201, the flexible photovoltaic power generation device 10 can be well attached to the surface of the mounting portion 201, thereby expanding the application range of the flexible photovoltaic power generation device 10.

[0050] In some embodiments, in order to install or remove the flexible photovoltaic power generation device 10 by tightening or stretching the telescopic portion 23, the telescopic portion 23 can be set as a ring-shaped elastic component. The elastic component can be one or more of a spring, a rubber band, an elastic band, and a latex ring, and this embodiment does not limit the specific elastic component.

[0051] Optionally, in a possible implementation manner, as Figure 1As shown, a closed annular channel is provided on the edge of one side of the fixed portion 22 away from the bearing portion 21, and the telescopic portion 23 is arranged in the annular channel. Specifically, a closed annular channel is provided on the edge of one side of the fixed portion 22 away from the bearing portion 21, and the annular channel may be additionally attached to the edge of the fixed portion 22, and the cross-sectional area of ​​the annular channel is adapted to the cross-sectional area of ​​the telescopic portion 23, so that the telescopic portion 23 can pass through the annular channel more easily. The annular channel may also be formed by winding the edge of the fixed portion 22, and the telescopic portion 23 is directly wrapped in the annular channel during the winding process. In this embodiment, the annular channel extends or contracts together with the telescopic portion 23 during use, and the annular channel may be a continuous channel or a channel arranged at intervals, which is not limited in this application. The telescopic portion 23 is arranged in the annular channel, and the annular channel may provide certain protection for the telescopic portion 23, delay the wear or aging of the telescopic portion 23, increase the service life of the telescopic portion 23, and improve the reliability of the flexible photovoltaic power generation device 10.

[0052] Optionally, in another possible embodiment, the telescopic portion 23 is disposed around at least one surface of the edge of the fixing portion 22. Specifically, in this embodiment, there is no need to provide an annular channel, but the telescopic portion 23 is directly fixed to at least one surface of the edge of the fixing portion 22 by means such as sewing or gluing. Thus, the telescopic portion 23 can be formed on the inner surface and / or outer surface of the edge of the fixing portion 22 away from the bearing portion 21.

[0053] Optionally, in another possible embodiment, the telescopic portion 23 is disposed around the edge of the fixed portion 22. Specifically, in this embodiment, the telescopic portion 23 is directly fixedly connected to the edge of the fixed portion 22, thereby a simpler manufacturing process can be used to achieve the connection between the telescopic portion 23 and the fixed portion 22.

[0054] In the above-mentioned optional embodiments, by providing a telescopic portion 23 composed of an annular elastic component on the edge of the fixed portion 22, the size of the opening formed by the edge of the fixed portion 22 can be adjusted, and the installation and removal of the flexible photovoltaic power generation device 10 can be realized simply and quickly, thereby improving the installation efficiency and removal efficiency of the flexible photovoltaic power generation device 10. For example, a certain tension is provided to extend the telescopic portion 23, increase the area of ​​the opening formed by the fixed portion 22, and allow the flexible photovoltaic power generation device 10 to be sleeved on the mounting portion 201, and then the pressure applied to the telescopic portion 23 is canceled, and the telescopic portion 23 shrinks and recovers to its original length under the action of its own elastic force, and the area of ​​the opening formed by the fixed portion 22 is reduced, so that the flexible photovoltaic power generation device 10 is fixedly connected to the mounting portion 201. Correspondingly, a certain tension is provided to the telescopic portion 23 on the flexible photovoltaic power generation device 10 connected to the mounting portion 201, so that the telescopic portion 23 is extended, and the area of ​​the opening formed by the fixed portion 22 is increased, so that the flexible photovoltaic power generation device 10 can be removed from the mounting portion 201. The entire installation or disassembly process does not require any modification to the installation portion 201, nor does it require the addition of other installation brackets. The process is simple and efficient, which improves the user experience.

[0055] In some embodiments, Figures 2 to 6 As shown, in order to install or disassemble the flexible photovoltaic power generation device 10 by tightening or stretching the telescopic portion 23, the telescopic portion 23 can be set as a connecting rope. The material of the connecting rope can be synthetic fibers such as nylon, polyester, polyolefin, etc., and needs to meet a certain tensile strength to provide a more reliable fixing effect.

[0056] In some embodiments, Figures 2 to 6 As shown, the telescopic part 23 is a connecting rope, and a channel 221 is provided on the edge of one side of the fixing part 22 away from the bearing part 21. The channel 221 is provided with at least one opening. The telescopic part 23 is inserted into the channel 221, and the telescopic part 23 extends from the channel 221 through each opening to form two free ends. The two free ends are expanded or tightened by tying a knot; or, the flexible photovoltaic power generation device 10 further includes a spring buckle, and the two free ends are connected to the spring buckle, and the opening is expanded or tightened by adjusting the relative position of the spring buckle and the free end.

[0057] In the embodiment of the present application, a plurality of openings may also be provided on the channel 221, for example, Figure 7As shown, two openings can be symmetrically arranged on the channel 221, and the two openings divide the channel 221 into two continuous sub-channels. A connecting rope is arranged in each continuous sub-channel, and the two ends of each connecting rope extend from the sub-channel through the two openings to form free ends. The two ends of the two connecting ropes that are close to each other can be connected by knotting or spring buckles; or the two ends of each connecting rope can be connected by knotting or spring buckles, so that the flexible photovoltaic power generation device 10 is symmetrically fixed to the mounting portion 201.

[0058] Alternatively, if Figure 8 As shown, when the flexible photovoltaic power generation device 10 is rectangular as a whole and the mounting portion 201 is also rectangular, four openings can be provided on the channel 221, and the four openings are respectively located in the central axis area of ​​the four sides of the flexible photovoltaic power generation device 10, that is, the four openings are evenly arranged on the edge of the fixing portion 22, so that the flexible photovoltaic power generation device 10 can be fixed with balanced force in all directions during the connection process with the mounting portion 201. The four openings divide the channel 221 into four continuous sub-channels, and a connecting rope is arranged in each continuous sub-channel, and the two ends of each connecting rope extend from the sub-channel through two openings to form free ends. The connection method of the four connecting ropes is similar to the connection method of the above-mentioned two connecting ropes, which will not be repeated here.

[0059] In the present application embodiment, Figure 8 As shown, the arrangement of the four openings also facilitates the staff to adjust the size of the opening formed by the edge of the fixing portion 22, so as to facilitate the position adjustment of the flexible photovoltaic power generation device 10 during the installation process. For example, when the connection between a certain side or a certain corner of the flexible photovoltaic power generation device 10 and the mounting portion 201 is relatively loose, only the tightening or stretching degree of the connecting rope in the side or corner area can be adjusted to make the connection between the area and the mounting portion 201 tight, without adjusting all the connecting ropes in the flexible photovoltaic power generation device 10. The adjustment method is simple and convenient, which can optimize the installation process of the flexible photovoltaic power generation device 10 and improve the connection stability between the flexible photovoltaic power generation device 10 and the mounting portion 201.

[0060] In some embodiments, the first surface 11 of the flexible photovoltaic assembly 1 and the bearing portion 21 are connected by bonding, thermal fusion or sewing to improve the connection stability between the flexible photovoltaic assembly 1 and the flexible cover 2, and to improve the reliability of the flexible photovoltaic power generation device 10. When the flexible photovoltaic power generation device 10 is connected to the mounting portion 201, the bearing portion 21 is located between the flexible photovoltaic assembly 1 and the mounting portion 201, and the bearing portion 21 can play a certain protective role on the flexible photovoltaic assembly 1. When the mounting portion 201 and the flexible power generation device 10 move with the device to be powered, the bearing portion 21 can buffer the impact force between the flexible photovoltaic assembly 1 and the mounting portion 201, and further improve the reliability of the flexible photovoltaic power generation device 10.

[0061] In the present application embodiment, Figure 3 and Figure 6 As shown, when the flexible photovoltaic component 1 and the supporting part 21 are connected by adhesive bonding or heat fusion, the connection method is simple and convenient, and can make the connection between the flexible photovoltaic component 1 and the supporting part 21 seamless, so that the flexible photovoltaic component 1 and the supporting part 21 have good sealing and stable connection force, which can improve the connection stability between the flexible photovoltaic component 1 and the flexible cover 2, and improve the reliability of the flexible photovoltaic power generation device 10.

[0062] The material of the bearing part 21 may include organic fibers, such as polyester, acrylic, nylon or polypropylene. Optionally, the surface of the bearing part 21 in contact with the flexible photovoltaic module 1 may also be provided with an electrical insulation coating, such as a vinyl coating. The vinyl coating has the characteristics of good weather resistance, good chemical corrosion resistance, good water resistance, good insulation, good mildew resistance and good flexibility, which can not only play the role of electrical insulation, but also improve the flexibility of the flexible photovoltaic module and achieve the effect of protecting the flexible photovoltaic module. By providing an electrical insulation coating on the bearing part 21, the electrical insulation performance of the flexible photovoltaic module can be further improved to protect the user's electricity safety.

[0063] Optionally, the flexible photovoltaic assembly 1 and the bearing portion 21 may also be connected by snap fasteners or double-sided Velcro.

[0064] In some embodiments, Fig. 9 and Fig.10 As shown, the flexible photovoltaic power generation device 10 also includes an even number of first connecting ropes 4, which are arranged at the edge of the fixing portion 22 and symmetrically arranged around the flexible photovoltaic assembly 1. One end of the first connecting rope 4 is connected to the fixing portion 22, and the other end is a free end. After the flexible photovoltaic power generation device 10 and the mounting portion 201 are fixedly connected by the telescopic portion 23, the flexible photovoltaic power generation device 10 and the mounting portion 201 can be further fixed by connecting the free ends of the two symmetrically arranged first connecting ropes 4, thereby improving the tightness of the connection between the flexible photovoltaic power generation device 10 and the mounting portion 201. The first connecting rope 4 can also straighten the flexible photovoltaic assembly 1 in the area where the first connecting rope 4 is arranged after the flexible photovoltaic power generation device 10 is connected to the mounting portion 201, thereby improving the flatness of the flexible photovoltaic assembly 1 after being installed on the mounting portion 201, and increasing the contact area between the second surface 12 of the flexible photovoltaic assembly 1 and the sunlight, thereby improving the power generation efficiency of the flexible photovoltaic power generation device 10. Among them, the free ends of the two symmetrically arranged first connecting ropes 4 can be connected by knotting or snapping.

[0065] In the embodiment of the present application, the flexible photovoltaic power generation device 10 may include one or more groups of first connecting ropes 4, and each group of first connecting ropes 4 includes two symmetrically arranged first connecting ropes 4. When the flexible photovoltaic power generation device 10 includes one group of first connecting ropes 4, the group of first connecting ropes 4 can be arranged on the central axis of the flexible photovoltaic power generation device 10, so as to improve the connection tightness between the middle area where the central axis is located on the flexible photovoltaic power generation device 10 and the mounting portion 201. When the flexible photovoltaic power generation device 10 includes multiple groups of first connecting ropes 4, the multiple groups of first connecting ropes can be evenly arranged on the edge of the fixing portion 22, so as to further improve the connection tightness between the flexible photovoltaic power generation device 10 and the mounting portion 201, and balance the force on the flexible photovoltaic power generation device during use.

[0066] Optionally, when the mounting portion 201 is a spliced ​​mounting portion 201 formed by splicing two planes with different slopes, the first connecting rope 4 can be arranged at the area corresponding to the splicing of the fixing portion 22 and the two planes, which can improve the connection stability between the splicing of the flexible photovoltaic power generation device 10 and the mounting portion 201, and improve the flatness of the flexible photovoltaic assembly 1. The number and position of the first connecting rope 4 can be set according to actual needs, and this application does not limit this.

[0067] Optionally, the first connecting rope 4 can be iron wire, woolen thread, nylon rope or other flexible materials.

[0068] In some embodiments, Figures 4 to 6 As shown, the flexible photovoltaic power generation device 10 also includes a junction box 3, which is connected to the flexible photovoltaic module 1, and the junction box 3 is arranged on the side of the flexible photovoltaic module 1 away from the flexible cover 2, or the junction box 3 is arranged on the side of the flexible cover 2 away from the flexible photovoltaic module 1. The flexible photovoltaic power generation device 10 is connected to an energy storage element such as a battery through the junction box 3, and can also be directly connected to the device to be powered through the junction box 3, so as to supply power to the device to be powered.

[0069] The embodiment of the second aspect of the present application provides a photovoltaic power generation system, including: an energy storage battery, a photovoltaic controller and any of the above-mentioned flexible photovoltaic power generation devices 10, wherein the flexible photovoltaic power generation device 10 charges the energy storage battery through the photovoltaic controller. The flexible photovoltaic power generation device 10 absorbs solar energy and stores the solar energy in the energy storage battery, and the energy storage battery includes but is not limited to a lead-acid battery or a lithium battery.

[0070] The third aspect of the present application provides a vehicle 20, such as Fig.11 and Fig.12As shown, the vehicle 20 includes a mounting portion 201 and any of the above-mentioned flexible photovoltaic power generation devices 10, wherein the mounting portion 201 includes but is not limited to the roof of a golf cart, the roof of a courier truck, and the roof of a motorhome. The vehicle 20 includes but is not limited to a golf cart, a courier truck, and a motorhome.

[0071] In the flexible photovoltaic power generation device 10 included in the vehicle 20 in the embodiment of the present application, as Fig.11 and Fig.12 As shown, the installation and disassembly of the flexible photovoltaic power generation device 10 and the mounting portion 201 are achieved by tightening and stretching the telescopic portion 23. The installation and disassembly methods are simple and convenient. During the installation process, there is no need to modify the structure of the mounting portion 201, and there is no need to set up additional connecting brackets. This can reduce the installation cost of the flexible photovoltaic power generation device 10 and improve the installation efficiency and disassembly efficiency of the flexible photovoltaic power generation device 10. The flexible photovoltaic power generation device 10 has good flexibility. Under the condition of ensuring normal photovoltaic power generation performance, the flexible photovoltaic power generation device 10 can be well attached to the surface of different types of mounting portions 201. There is no need to set up a dedicated flexible photovoltaic power generation device 10 to connect with different mounting portions 201. This can further reduce the installation cost of the flexible photovoltaic power generation device 10 and expand the application range of the flexible photovoltaic power generation device 10.

[0072] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0073] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the attached claims.

Claims

1. A flexible photovoltaic power generation device, characterized in that: include: A flexible photovoltaic assembly, the flexible photovoltaic assembly comprising a first surface and a second surface opposite to each other; A flexible cover, the flexible cover comprising: A bearing portion, disposed on one side of the first surface of the flexible photovoltaic component and fixedly connected to the first surface; A fixing portion, at least partially disposed around the edge of the bearing portion, and extending from the edge of the bearing portion along the direction of the first surface of the flexible photovoltaic component to define a receiving space, wherein the receiving space is used to receive a mounting portion so that the flexible photovoltaic power generation device is sleeved on the mounting portion; The telescopic portion is at least partially disposed around the edge of the fixed portion, and the telescopic portion is configured to form an opening that can be expanded or tightened at the edge of the fixed portion; The telescopic part is a connecting rope, and a channel is arranged around the edge of the fixed part away from the bearing part. The channel is provided with at least one opening. The telescopic part is inserted into the channel, and the telescopic part extends from the channel through each opening to form two free ends.

2. The flexible photovoltaic power generation device according to claim 1, characterized in that: The flexible photovoltaic assembly includes a plurality of photovoltaic cells electrically connected to each other, and adjacent photovoltaic cells are connected by flexible wires. In a direction perpendicular to the photovoltaic cells, the orthographic projection of each photovoltaic cell is located within the orthographic projection of the supporting portion.

3. The flexible photovoltaic power generation device according to claim 1 or 2, characterized in that: The telescopic part is an annular elastic component, and a closed annular channel is provided on one side edge of the fixed part away from the bearing part, and the telescopic part is inserted into the annular channel; Alternatively, the telescopic portion is an annular elastic component, and the telescopic portion is arranged around at least one surface of the edge of the fixed portion; Alternatively, the telescopic portion is an annular elastic component, and the telescopic portion is arranged around the edge of the fixed portion.

4. The flexible photovoltaic power generation device according to claim 1, characterized in that: The two free ends are knotted to enlarge or tighten the opening.

5. The flexible photovoltaic power generation device according to claim 1, characterized in that: The flexible photovoltaic power generation device also includes a spring buckle, and the two free ends are connected to the spring buckle. The opening is expanded or tightened by adjusting the relative position of the spring buckle and the free end.

6. The flexible photovoltaic power generation device according to claim 1 or 2, characterized in that: The first surface of the flexible photovoltaic component and the bearing portion are connected by bonding, thermal fusion or sewing.

7. The flexible photovoltaic power generation device according to claim 1 or 2, characterized in that: The flexible photovoltaic power generation device further includes an even number of first connecting ropes, which are arranged at the edge of the fixing portion and symmetrically arranged around the flexible photovoltaic assembly.

8. The flexible photovoltaic power generation device according to claim 1 or 2, characterized in that: The flexible photovoltaic power generation device also includes a junction box, which is connected to the flexible photovoltaic component and is arranged on a side of the flexible photovoltaic component away from the flexible cover, or the junction box is arranged on a side of the flexible cover away from the flexible photovoltaic component.

9. A photovoltaic power generation system, characterized in that: include: An energy storage battery, a photovoltaic controller and a flexible photovoltaic power generation device as described in any one of claims 1 to 8, wherein the flexible photovoltaic power generation device charges the energy storage battery through the photovoltaic controller.

10. A vehicle, characterized in that: The vehicle comprises a mounting portion and a flexible photovoltaic power generation device according to any one of claims 1 to 8, wherein the mounting portion is a roof of the vehicle.

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