Support, photovoltaic support and electric power system

Abstract

The utility model provides a support, a photovoltaic support and a power system, and relates to the field of photovoltaic technology. The support comprises a supporting frame, a supporting rod and a supporting rod, wherein an accommodating cavity is formed in the supporting frame; the lower end of the connecting frame is contained in the containing cavity and connected with the supporting frame in the vertical direction in a limiting mode, and the upper end of the connecting frame is exposed. The waterproof structure comprises an internal filling part which is filled in the accommodating cavity; and the outer shell covers the outer part of the supporting frame, and the outer shell is used for supporting a supporting surface structure and is connected with the supporting surface structure in a sealing manner. When the support is in sealed connection with the supporting surface structure, the possibility of water leakage caused by cracks generated by stress of the support can be reduced, the waterproof sealing performance of the supporting surface structure at the joint of the supporting surface structure and the support is improved, and the use performance of the support can be ensured.

Description

TECHNICAL FIELD

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

[0002] In some scenarios, it is necessary to set a support on a support surface structure, and the support is used to support a to-be-supported structure, so as to realize the support of the to-be-supported structure on the support surface structure. For example, in the field of photovoltaic technology, it is usually necessary to set a support on a flexible roof (support surface structure), and the support is used to support and fix a photovoltaic module (to-be-supported surface structure). However, the photovoltaic module may be affected by gravity and wind force, and the stress state of the support is complex, the support may have local cracks, and then rainwater may penetrate into the support surface structure from the cracks. Therefore, the waterproof performance of the support surface structure at the support needs to be improved. CONTENT OF THE UTILITY MODEL

[0003] The present disclosure aims to solve at least one aspect of the above problems to some extent, and improve the waterproof performance of the support and the connection between the support and the support surface structure.

[0004] To at least solve at least one aspect of the above problems to some extent, in a first aspect, the present disclosure provides a support, which comprises:

[0005] a support frame, which is formed with a receiving cavity;

[0006] a connecting frame, a lower end of the connecting frame being accommodated in the receiving cavity and being connected with the support frame in the up-down direction, and an upper end of the connecting frame being exposed;

[0007] a waterproof structure, which comprises:

[0008] an internal filling part, which is filled in an internal part of the receiving cavity;

[0009] an external shell, which is wrapped on an external part of the support frame, and is used to support a support surface structure and is sealingly connected with the support surface structure.

[0010] Optionally, a gap is left between the part of the connecting frame accommodated in the receiving cavity and the support frame in any direction, and the gap between the connecting frame and the support frame is filled with the internal filling part.

[0011] Optionally, the receiving cavity comprises a cavity body and a limiting cavity in communication with the cavity body, the connecting frame comprises a connecting frame body and a limiting structure at a lower end of the connecting frame body, the connecting frame body is inserted in the cavity body, and the limiting structure is partially accommodated in the limiting cavity, and a side wall of the limiting cavity in the up-down direction is limitingly connected with the limiting structure.

[0012] Optionally, the support frame comprises a frame body, the frame body comprises a plurality of structural members connected together, and the accommodation cavity is formed between the plurality of structural members.

[0013] Optionally, the plurality of structural members are connected end to end and enclose the cavity body, and the limiting cavity is arranged through one or more of the structural members.

[0014] Optionally, the top of the structural member is provided with a transverse groove and a notch in communication with the transverse groove, the plurality of structural members are cross-connected and jointly form the accommodation cavity through the transverse grooves and the notches between them, the notches in the plurality of structural members jointly form the cavity body, and the transverse grooves in the plurality of structural members form the limiting cavity.

[0015] Optionally, the frame body further comprises a bottom plate connected to the bottom end of each of the structural members.

[0016] Optionally, the structural member is a trapezoidal plate member.

[0017] Optionally, the projection of the connecting frame in at least one vertical plane is in the shape of an inverted T.

[0018] Optionally, the support frame further comprises a second connecting structure at the bottom end, the second connecting structure is connected to the frame body, and the second connecting structure is used to connect to the support surface structure through a fixing structure, part of the fixing structure is located inside the support surface structure.

[0019] Optionally, the second connecting structure comprises a connecting hole, and the fixing structure extends into and connects to the connecting hole.

[0020] Optionally, the top surface of the outer shell is used to contact and support the structure to be supported, and the exposed part of the connecting frame is provided with a first connecting structure used to connect to the structure to be supported; the first connecting structure comprises an external thread structure.

[0021] Optionally, the support surface structure comprises a support layer and a waterproof layer, and the outer shell is hot-melt connected to the waterproof layer.

[0022] In a second aspect, the present disclosure provides a photovoltaic support frame comprising the support base as described in the first aspect.

[0023] In a third aspect, the present disclosure provides an electric power system comprising the support base as described in the first aspect and / or the photovoltaic support frame as described in the second aspect.

[0024] In the support, photovoltaic support and power system of the present disclosure, the support frame has a receiving cavity, the lower end of the connecting frame is received in the receiving cavity and is connected with the support frame in the vertical direction, and the upper end of the connecting frame is exposed and the exposed part can be used to connect with the structure to be supported, so that the support frame and the connecting frame can transmit interaction forces such as support force and tension in the vertical direction. In the force transmission path of the structure to be supported and the support surface structure through the connecting frame, the support frame and the outer shell, because the inner filling part of the waterproof structure fills in the inside of the receiving cavity, and the outer shell of the waterproof structure covers the outside of the support frame, when the outer shell is sealingly connected with the support surface structure, the waterproof path formed by the waterproof structure in this force transmission path is longer (the waterproof path can be understood as a virtual concept, which can be understood as a leakage path even if it leaks due to cracks caused by force), which can reduce the possibility of external rainwater leaking from the bottom of the support frame to the support surface structure through the outer wall of the connecting frame and the receiving cavity, and even if the connection between the connecting frame and the waterproof structure, such as the inner filling part, is cracked and leaks due to force, the part of the waterproof structure below the connecting frame can continue to prevent water between the bottom of the connecting frame and the support surface structure, such as the inner filling part below the connecting frame and the outer shell, which can continue to prevent water, and better waterproof effect can be achieved. At the same time, because the waterproof structure has the inner filling part and the outer shell, the contact surface between the waterproof structure and the support frame is larger, and the possibility of cracks and water leakage between them due to force is further reduced. In general, the support of the present disclosure can reduce the possibility of water leakage due to cracks caused by force when sealingly connected with the support surface structure, improve the waterproof sealing performance of the support surface structure at the connection with the support, and ensure the use performance of the support. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a top view schematic diagram of the support in the first embodiment of the present disclosure;

[0026] Figure 2 is Figure 1 is a sectional view schematic diagram of the A-A section in the first embodiment of the present disclosure;

[0027] Figure 3 is Figure 2 is a sectional view schematic diagram of the B-B section in the first embodiment of the present disclosure;

[0028] Figure 4 is Figure 2 is a sectional view schematic diagram of the C-C section in the first embodiment of the present disclosure;

[0029] Figure 5 is a three-dimensional structure schematic diagram of the support in the first embodiment of the present disclosure;

[0030] Figure 6 is a three-dimensional structure schematic diagram of the support in the first embodiment of the present disclosure from another perspective;

[0031] Figure 7 This is a schematic diagram of the three-dimensional structure of the support shown in the figure after the waterproof outer shell has been removed.

[0032] Figure 8 To and Figure 7 Exploded view of the corresponding structure;

[0033] Figure 9 This is a cross-sectional schematic diagram of the support in the second embodiment of this disclosure;

[0034] Figure 10 This is a three-dimensional structural diagram of the support after removing the waterproof outer shell in the second embodiment of this disclosure;

[0035] Figure 11 To and Figure 10 Exploded view of the corresponding structure;

[0036] Figure 12 This is a top view of the support in the third embodiment of this disclosure;

[0037] Figure 13 for Figure 12 Schematic diagram of the cross section at the middle DD section;

[0038] Figure 14 This is a three-dimensional structural diagram of the support in the third embodiment of this disclosure;

[0039] Figure 15 This is a three-dimensional structural diagram of the support after the waterproof outer shell is removed in the third embodiment of this disclosure;

[0040] Figure 16 To and Figure 15 A structural diagram from another perspective of the corresponding structure;

[0041] Figure 17 This is a schematic diagram of the exploded structure of the support after the waterproof outer shell is removed in the third embodiment of this disclosure;

[0042] Figure 18 This is an exploded view of the support in the third embodiment of this disclosure;

[0043] Figure 19 This is a three-dimensional structural diagram of a structural component in the third embodiment of this disclosure;

[0044] Figure 20 This is a three-dimensional structural diagram of another structural component in the third embodiment of this disclosure;

[0045] Figure 21 This is a three-dimensional structural diagram of the second connection structure in the third embodiment of this disclosure;

[0046] Figure 22Fig. 1 is a structural schematic diagram of a fixed structure of a nail disc structure in an embodiment of the present disclosure.

[0047] Legend of reference signs:

[0048] 1 - support frame; 11 - frame body; 111 - structural member; 112 - accommodating cavity; 1121 - cavity body; 1122 - limiting cavity; 113 - transverse groove; 114 - slot; 115 - bottom plate; 116 - communication groove; 117 - avoiding position groove; 12 - second connecting structure; 121 - connecting hole; 2 - connecting frame; 21 - first connecting structure; 22 - connecting frame body; 23 - limiting structure; 3 - waterproof structure; 31 - internal filling part; 32 - external shell; 4 - support surface structure; 41 - support layer; 42 - heat preservation layer; 43 - waterproof layer; 5 - fixed structure; 5A - nail disc structure; 51 - nail disc; 52 - rivet; 53 - connecting column; 6 - structure to be supported. DETAILED DESCRIPTION

[0049] In order to make the above-mentioned objects, features and advantages of the present disclosure more obvious and easy to understand, the specific embodiments of the present disclosure will be described in detail below with reference to the drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms, and should not be interpreted as being limited to the embodiments described herein, on the contrary, these embodiments are provided to make the present disclosure more thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes, and are not intended to limit the scope of protection of the present disclosure.

[0050] Those skilled in the art should understand that, unless otherwise explicitly indicated in the context, or known from the context, it should be understood that the term "comprising" and its variants used herein are open-ended, i.e. "including but not limited to"; the term "based on" is "at least partially based on"; the term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments"; the term "optionally" means "optional embodiment"; the concepts of "first", "second" and the like are only used to distinguish different devices, modules or units, and are not intended to limit the functions performed by these devices, modules or units, nor to indicate or imply relative importance or implicitly indicate the number of the technical features indicated. The features limited by "first", "second" can explicitly or implicitly include at least one of the features.

[0051] In addition, in the present specification, the illustrative expressions of the above-mentioned terms do not necessarily refer to the same embodiment or implementation. Moreover, the described specific features, structures, materials or characteristics can be combined in any one or more embodiments or implementations in a suitable manner.

[0052] In some scenarios, it is necessary to provide a support on the support surface structure 4, and the to-be-supported structure 6 is supported by the support, so as to realize the support of the to-be-supported structure 6 on the support surface structure 4. For example, in the field of photovoltaic technology, it is usually necessary to provide a support on the flexible roof (support surface structure 4), and the support is used to support and fix the photovoltaic module (to-be-supported structure 4). However, the photovoltaic module may be affected by gravity and wind force, so that the stress state of the support is complex, and local cracks may occur in the support. Therefore, the waterproof performance of the support surface structure 4 at the support needs to be improved. In particular, when the support transmits force to the inside of the support surface structure 4 through the fixing structure 5, a crack may be generated between the circumferential side of the fixing structure 5 and the support surface structure 4, which affects the fixing performance of the support and the waterproof performance of the connection between the support and the support surface structure 4.

[0053] As shown in Figure 4 and Figure 13 , mainly referring to Figure 13 , the support provided by the present disclosure comprises:

[0054] The support frame 1 is formed with a receiving cavity 112;

[0055] The lower end of the connecting frame 2 is accommodated in the receiving cavity 112 and is connected with the support frame 1 in the up-down direction, and the upper end of the connecting frame 2 is exposed.

[0056] The waterproof structure 3 comprises:

[0057] The internal filling part 31 is filled in the inside of the receiving cavity 112;

[0058] The external shell 32 is wrapped on the outside of the support frame 1, and the external shell 32 is used to support the support surface structure 4 and is sealingly connected with the support surface structure 4.

[0059] The present disclosure will be described below in combination with Figures 1-17 , wherein Figures 1-8 , the first embodiment of the present disclosure, Figures 9-11 , the second embodiment of the present disclosure, Figures 13-21 , the third embodiment of the present disclosure, for the convenience of understanding, Figure 13 , the structure outside the support is schematically shown by a dashed line.

[0060] It should be noted that the present specification will take the support for the photovoltaic support as an example, the to-be-supported structure 6 comprises a photovoltaic module and a purlin assembly, and the to-be-supported structure 6 can also comprise a guide rail, etc. The present disclosure will be described taking the flexible roof as an example, and in the present specification, reference is made to Figure 13As shown, the support surface structure 4 comprises, from top to bottom, a waterproof layer 43, a heat preservation layer 42 and a support layer 41. It should be understood that it can also be used in other similar occasions without violating the design concept of the present disclosure.

[0061] The upper end of the connecting frame 2 is exposed and provided with a first connecting structure 21 for connecting with the structure 6 to be supported. The first connecting structure 21 can be determined according to the fixing requirements of the structure 6 to be supported, for example, it can be an external thread structure, a clamping structure, etc.

[0062] Specifically, the structure of the support frame 1 is not limited, which can form a containing cavity 112, and the connecting frame 2 is arranged by using the containing cavity 112. The support frame 1 and the connecting frame 2 can be limited in position in the up-down direction, which will be exemplarily explained below.

[0063] It should be understood that the internal filling part 31 and the external shell 32 can be integrally connected, and the waterproof material used can be determined according to actual needs. The waterproof structure 3 can be integrally formed by injection molding, which will be exemplarily explained later.

[0064] The support is supported on the support surface structure 4 by the external shell 32, and the external shell 32 is sealingly connected with the support surface structure 4. The external shell 32 is mainly used to play a waterproof role between the support frame 1 and the support surface structure 4, and also used to play a waterproof role between the connecting frame 2 and the support surface structure 4.

[0065] Therefore, in the support according to the present disclosure, the support frame 1 is provided with a receiving cavity 112, the lower end of the connecting frame 2 is received in the receiving cavity 112 and is connected to the support frame 1 in the up-down direction, and the upper end of the connecting frame 2 is exposed and the exposed part can be used to connect to the structure 6 to be supported, so that the support frame 1 and the connecting frame 2 can transmit interaction forces such as support forces and pulling forces in the up-down direction. In the force transmission path of the structure 6 to be supported and the support surface structure 4 via the connecting frame 2, the support frame 1, and the outer shell 32 of the waterproof structure 3, because the inner filling part 31 of the waterproof structure 3 is filled in the inner part of the receiving cavity 112, and the outer shell 32 of the waterproof structure 3 is wrapped outside the support frame 1, when the outer shell 32 is sealingly connected to the support surface structure 4, the waterproof path formed by the waterproof structure 3 in the force transmission path is longer (the waterproof path can be understood as a virtual concept, which can be understood as a leakage path even if cracks are caused by force to cause leakage), which can reduce the possibility of external rainwater leaking from the bottom of the support frame 1 to the support surface structure 4 through the outer wall of the connecting frame 2 and the receiving cavity 112, and even if cracks are caused by force at the connection between the connecting frame 2 and the waterproof structure 3, such as the inner filling part 31, and water seeps, the part of the waterproof structure 3 below the connecting frame 2 can continue to waterproof between the bottom of the connecting frame 2 and the support surface structure 4, for example, the inner filling part 31 below the connecting frame 2 and the outer shell 32 can continue to waterproof, and better waterproof effect can be achieved; At the same time, because the waterproof structure 3 is provided with the inner filling part 31 and the outer shell 32, the contact surface between the waterproof structure 3 and the support frame 1 is larger, and the possibility of cracks and water seepage between them due to force is further reduced. In general, when the support is sealingly connected to the support surface structure 4, the support according to the present disclosure can reduce the possibility of water leakage caused by cracks due to force, improve the waterproof sealing performance of the support surface structure 4 at the connection with the support, and ensure the use performance of the support.

[0066] As shown in Figures 2-4 , Figure 13 Optionally, a gap is left between the part of the connecting frame 2 received in the receiving cavity 112 and the support frame 1 in any direction, and the gap between the connecting frame 2 and the support frame 1 is filled with the inner filling part 31.

[0067] That is, the part of the connecting frame 2 received in the receiving cavity 112 is wrapped by the inner filling part 31.

[0068] Specifically, the size of the gap is determined according to actual needs, for example, the thickness corresponding to the gap should be greater than or equal to 1.5 mm and less than or equal to 5 mm, for example, the thickness corresponding to the gap should be greater than or equal to 2 mm and less than or equal to 3.5 mm.

[0069] Exemplarily, the waterproof material is a high-molecular waterproof material made of thermoplastic polyolefin as a base material, which combines the weather resistance of ethylene-propylene rubber and the weldability of polypropylene, and has excellent physical properties and environmental adaptability. Of course, it should be understood that it is not limited thereto, and the waterproof material can also use other materials with similar properties.

[0070] In this way, the connecting frame 2 and the support frame 1 are not in direct contact, which can ensure the waterproof performance of the lower end of the connecting frame 2. Even if the connecting frame 2 cracks between the surface of the lower end of the connecting frame 2 and the internal filling part 31 due to stress or other reasons, the waterproof material in the gap between the connecting frame 2 and the support frame 1 can isolate the two, reducing the possibility of water leakage due to the combination of the support frame 1 and the outer shell 32 at the crack caused by the stress of the connecting frame 2. In some scenarios, for example, the waterproof material uses a waterproof film material, which has a certain flexibility and can avoid hard contact between the connecting frame 2 and the support frame 1 to some extent, improving the uniformity and reliability of the force transmission between the two. Subsequently, the content of the present disclosure will be further described taking the present solution as an example.

[0071] As shown in Figure 7 In the above embodiment, the accommodating cavity 112 includes a cavity body 1121 and a limiting cavity 1122 in communication with the cavity body 1121, and the connecting frame 2 includes a connecting frame body 22 and a limiting structure 23 located at the lower end of the connecting frame body 22. The connecting frame body 22 is inserted into the cavity body 1121, and the limiting structure 23 is partially accommodated in the limiting cavity 1122, and the side wall of the limiting cavity 1122 in the up-down direction is limitedly connected with the limiting structure 23.

[0072] It should be understood that the composition and connection mode of the connecting frame body 22 and the limiting structure 23 are not limited, which can meet the corresponding use requirements, for example, the connecting frame body 22 and the limiting structure 23 can be detachably connected, or they can be integrally connected. According to the difference of the specific structure form of the connecting frame 2, the structure form of the accommodating cavity 112 can be adjusted correspondingly to meet the arrangement and connection requirements of the connecting frame 2.

[0073] In the exemplary solution, the limiting structure 23 is a limiting column, the side plate of the accommodating cavity 112 is provided with a limiting hole, the limiting column is inserted into the limiting hole and the lower end of the connecting frame body 22, and the limiting column and the connecting frame body 22 can be weldedly connected. In this case, the limiting cavity 1122 is formed by the limiting hole. This solution is not shown in the figure.

[0074] Of course, it should be understood that the vertically limiting connection between the connecting frame 2 and the support frame 1 is not a limitation. In other cases, the lower end of the connecting frame 2 is housed within the receiving cavity 112, and the connecting frame 2 and the support frame 1 are connected by means such as snap-fit ​​or fastening. For example, the connecting frame 2 and the support frame 1 have a horizontal contact surface, which is connected by a vertical connector or a vertical snap-fit. In this case, the limiting cavity 1122 is not required.

[0075] Thus, in this embodiment, through the structural design of the accommodating cavity 112, the limiting cavity 1122 is used to limit the connection with the connecting frame 2, and the support frame 1 and the connecting frame 2 can transmit force in the vertical direction. The structure is simple and highly practical.

[0076] Optionally, the support frame 1 includes a frame body 11, the frame body 11 includes a plurality of interconnected structural members 111, and the accommodating cavity 112 is formed between the plurality of structural members 111.

[0077] It should be understood that there are multiple ways in which the accommodating cavity 112 is formed between multiple structural components 111, which will be illustrated by examples later.

[0078] Thus, the frame body 11 has multiple structural components 111, which are connected to form a receiving cavity 112. The method of forming the receiving cavity 112 is simple. In this case, the contact area between the support frame 1 and the waterproof structure 3 can be increased, thereby enhancing the connection force between the two. In addition, in some cases, the material used in the support frame 1 can be reduced to a certain extent, thus reducing the weight of the support frame 1.

[0079] Optionally, the plurality of structural members 111 are connected end to end to form the cavity body 1121, and the limiting cavity 1122 is provided through one or more of the structural members 111.

[0080] like Figures 1-8 In the first embodiment shown, multiple structural components 111 are plate-shaped structures connected end-to-end to form a hollow box. For example, the hollow box has connecting openings at both ends, thereby utilizing the inner cavity of the hollow structure to form a cavity body 1121. It should be understood that in this solution, the structural components 111 can also be rectangular tubes, etc., which will not be described in detail here. In this case, each structural component 111 constitutes a sidewall of the cavity body 1121, and the limiting cavity 1122 penetrates one or more of the structural components 111, that is, it penetrates one or more sidewalls of the cavity body 1121.

[0081] In this embodiment, it should be understood that the limiting cavity 1122 is determined according to the needs of arranging the connecting frame 2. The limiting cavity 1122 is generally matched with one cross-sectional shape of the limiting structure 23 in cross-sectional shape, so that the limiting structure 23 can be provided in the limiting cavity 1122, and the upper and lower groove walls of the limiting cavity 1122 can be respectively connected with the limiting structure 23, the upper groove wall of the limiting cavity 1122 limits the upward movement of the limiting structure 23, and the lower groove wall of the limiting cavity 1122 limits the downward movement of the limiting structure 23.

[0082] In this way, the support frame 1 has a simple structure, and can obtain a large contact area with the waterproof structure 3, and the connection reliability between the two is high and the practicability is strong.

[0083] As shown in Figure 8 , in some scenarios, the structural member 111 provided with the limiting cavity 1122 is also provided with a communication groove 116, one end of the communication groove 116 is communicated with the limiting cavity 1122, and the other end extends upward to the top surface of the structural member 111. In the case that the limiting structure 23 is accommodated in the limiting cavity 1122, the limiting cavity 1122 is used for limiting connection with the limiting structure 23 in the up-down direction, and the communication groove 116 is used for avoiding the connecting frame 2. For example, the communication groove 116 is used for the passage of the connecting frame body 22. Thus, the connecting frame 2 is conveniently placed in the accommodating cavity 112.

[0084] As shown in Figures 12-21 , in the third embodiment, with reference to Figure 16 , optionally, a plurality of structural members 111 are arranged in cross and connected at the cross position, and the position of the accommodating cavity 112 corresponds to the cross position.

[0085] It should be understood that in this case, the accommodating cavity 112 can be formed by machining after the connection of the plurality of structural members 111, or the corresponding structure can be machined first, and the accommodating cavity 112 is formed by the corresponding structure after the connection of the plurality of structural members 111, which is not as a limitation. In some scenarios, in the horizontal cross section, the part corresponding to the circumferential side wall of the accommodating cavity 112 can be discontinuous.

[0086] In this way, the connecting strength of the connecting frame body 11 at the cross position after the connection of the plurality of structural members 111 is high, the position of the accommodating cavity 112 corresponds to the cross position, so that the limiting performance of the support frame 1 and the connecting frame 2 in the up-down direction can be ensured, and a large contact surface between the support frame 1 and the waterproof structure 3 can be obtained, so as to ensure the connection performance between the two.

[0087] As shown in Figures 15-17 , with reference to Figure 15 and Figure 17Optionally, the structure 111 is provided with a transverse slot 113 and a notch 114 communicating with the transverse slot 113, a plurality of the structures 111 are cross-connected and form the accommodating cavity 112 through the transverse slots 113 and the notches 114, the notches 114 of the plurality of structures 111 form the cavity body 1121, and the transverse slots 113 of the plurality of structures 111 form the limiting cavity 1122.

[0088] That is, when a plurality of structures 111 are connected, the position of the notch 114 corresponds to the position of the connection, the space corresponding to the notch 114 forms the cavity body 1121 for accommodating the connecting frame body 22, and the space corresponding to the transverse slot 113 forms the limiting cavity 1122 for accommodating the limiting structure 23.

[0089] As shown in Figures 18-20 , optionally, the plurality of structures 111 are vertical plates.

[0090] As shown in Figure 18 , for example, two structures 111 are vertical plates, and the two vertical plates are cross-connected, to achieve the cross of the two, an avoidance slot 117 extending in the up-down direction can be arranged on the vertical plate at the part of the two cross-overlapping in the up-down direction, the avoidance slot 117 of one of the vertical plates is arranged at the upper section of the cross-overlapping part, and the mouth of the avoidance slot 117 is located at the upper end (see Figure 20 ), and the avoidance slot 117 of the other vertical plate is arranged at the lower section, and the mouth of the avoidance slot 117 is located at the lower end (see Figure 19 ).

[0091] In the above embodiment, optionally, the frame body 11 further comprises a bottom plate 115, and the bottom plate 115 is connected to the bottom end of each structure 111.

[0092] As shown in Figures 15-18 , the lower end of each vertical plate is supported on and connected to the bottom plate 115. In this case, the plurality of structures 111 are respectively connected to the bottom plate 115, which can enhance the structural rigidity and stress stability of the entire support frame 1.

[0093] In some scenarios, the projection of the part of the connecting frame 2 extending into the accommodating cavity 112 on the horizontal plane is covered by the projection of the bottom plate 115, and in addition, the bottom plate 115 can further prolong the waterproof path and enhance the waterproof performance of the entire support.

[0094] As shown in Figure 8 , 17 , in the above embodiment, optionally, the projection of the connecting frame 2 in at least one vertical plane is in the shape of an inverted T.

[0095] For example, the limiting structure 23 is a plate-shaped structure, and the lower end of the connecting frame body 22 is welded to the plate-shaped structure. The cross-sectional area of ​​the connecting frame body 22 in the horizontal section is smaller than the cross-sectional area of ​​the plate-shaped structure in the horizontal section. After the two are connected, they form an inverted T shape. In other words, the connecting frame body 22 is connected to the plate-shaped structure at the middle position of the plate-shaped structure.

[0096] Thus, when the connecting frame 2 is connected to the support frame 1, the limiting structure 23 and the support frame 1 have a large force transmission area, resulting in high connection stability.

[0097] Optionally, in the above embodiments, the top surface of the outer shell 32 contacts the structure 6 to be supported and supports the structure 6 to be supported.

[0098] refer to Figure 13 Specifically, the top surface of the outer shell 32 contacts the structure 6 to be supported, the connecting frame 2 is connected to the structure 6 to be supported through the first connecting structure 21, the support mainly bears the weight of the structure 6 to be supported through its internal support frame 1, and the connecting frame 2 mainly provides tension between the support frame 1 and the structure 6 to be supported, so as to prevent the structure 6 to be supported from moving upward and detaching from the support.

[0099] This reduces the stress requirement on the connecting frame 2 and ensures the reliability of the support for the structure 6.

[0100] Optionally, the first connection structure 21 includes an external thread structure.

[0101] Specifically, the end of the connecting frame body 22 furthest from the limiting structure 23 is provided with an external thread structure. In some scenarios, the structure to be supported 6 includes a photovoltaic guide rail, which is supported by the outer housing 32. A nut is fitted onto the connecting frame body 22 and threadedly connected to the external thread structure. The nut presses the photovoltaic guide rail tightly against the outer housing 32, and the support is obtained through the support frame 1 inside the outer housing 32. Through holes for the connecting frame body 22 to pass through can be provided on the photovoltaic guide rail; this is not a limitation. Of course, the structure to be supported 6 can also include photovoltaic modules, which are installed on the photovoltaic guide rail. The structural form of the structure to be supported 6 is not limited to this; related technologies can be used, which will not be elaborated here.

[0102] Thus, the connecting frame body 22 is connected to external components such as nuts through an external thread structure, which is simple in structure and highly practical.

[0103] like Figures 9-11 , Figures 13-18 and Figure 21As shown in the above embodiment, optionally, the support frame 1 further comprises a second connecting structure 12 at the bottom end, the second connecting structure 12 is connected with the frame body 11, and the second connecting structure 12 is used to connect with the support surface structure 4 through a fixing structure 5, part of the fixing structure 5 is located inside the support surface structure 4.

[0104] It should be understood that the structure of the second connecting structure 12 is determined according to the structure of the fixing structure 5, and the fixing structure 5 can adopt related prior art, which will be exemplarily described later.

[0105] The second connecting structure 12 is connected with the support surface structure 4 through the fixing structure 5, so as to realize the fixed connection of the support and the support surface structure 4, and then the sealing between the support and the support surface structure 4 is realized through the sealing of the external shell 32 and the support surface structure 4, so as to ensure the waterproof performance of the support.

[0106] It should be understood that in the embodiment, when the connecting frame 2 is connected with the support frame 1, the second connecting structure 12 does not directly contact with the connecting frame 2, so as to avoid that the stress of the connecting frame 2 is directly transmitted to the second connecting structure 12.

[0107] Further, the second connecting structure 12 comprises a connecting hole 121 (refer to Figure 13 、 21 ), the fixing structure 5 is partially located inside the support surface structure 4, and the fixing structure 5 extends into the connecting hole 121 and is connected with the connecting hole 121.

[0108] The connecting hole 121 can be an internal thread hole, but it can be set according to the connection requirement of the fixing structure 5, which is not limited.

[0109] Taking the support surface structure 4 comprising a support layer 41, a heat preservation layer 42 and a waterproof layer 43 as an example, the support layer 41 can be formed by a steel plate.

[0110] The fixing structure 5 can be a pull rivet structure, a nail disc structure 5A (refer to Figure 22) and any one of the ship anchor structure. In the pull rivet structure, the pull rivet passes through the support layer 41, the thermal insulation layer 42 and the waterproof layer 43 from bottom to top in turn, and is connected with the connecting hole 121. In the nail disc structure 5A, the nail disc 51 is pressed on the waterproof layer 43, the rivet 52 passes through the nail disc 51, the waterproof layer 43, the thermal insulation layer 42 from top to bottom in turn and is connected with the support layer 41. At this time, the nail disc 51 is provided with a connecting column 53, and the connecting column 53 is connected with the connecting hole 121. In the ship anchor structure, the ship anchor passes through the support layer 41, the thermal insulation layer 42 and the waterproof layer 43 from bottom to top in turn, and is connected with the connecting hole 121. The above-mentioned connection can adopt related technologies, and appropriate sealing can be provided when necessary. For example, the nail disc 51 and the waterproof layer 43 usually need to be sealed and connected, for example, the nail disc 51 is connected with the waterproof layer 43 by hot melting of the waterproof material to realize sealing. Of course, the sealing can be realized by hot melting connection of the external shell 32 and the waterproof layer 43.

[0111] In the above-mentioned embodiments, optionally, the support surface structure 4 comprises a support layer 41 and a waterproof layer 43, and the external shell 32 is hot-melt connected with the waterproof layer 43.

[0112] Specifically, the material of the waterproof layer 43 can adopt a waterproof material such as thermoplastic polyolefin, so that the connection between the external shell 32 and the waterproof layer 43 can be realized by hot air welding and the like.

[0113] In the present disclosure, when the support is formed, the relative position of the support frame 1 and the connecting frame 2 can be positioned first, and then the two are used as inserts to be molded as a whole by injection molding. After the fixing structure 5 is connected with the second connecting structure 12, the connection between the external shell 32 and the waterproof layer 43 is realized by hot melting connection, and the material of the waterproof layer 43 can be consistent with the material of the external shell 32.

[0114] It should be understood that, in order to improve the load performance of the support frame 1, the shape of the structural member 111 can be designed accordingly, for example, in the third embodiment, referring to Figures 18-20 , the structural member 111 is a trapezoidal plate, that is, the vertical plate can be trapezoidal as a whole.

[0115] In the second aspect, the present disclosure provides a photovoltaic support, which comprises the support of the above-mentioned embodiments. It also comprises a to-be-supported structure 6, which can comprise a photovoltaic guide rail and a purlin.

[0116] In the third aspect, the present disclosure provides a power system, which comprises the photovoltaic support of the above-mentioned embodiments.

[0117] Although the present disclosure is disclosed as above, the protection scope of the present disclosure is not limited to this. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications shall fall within the protection scope of the present disclosure.

Claims

1. A support, characterized in that, The support base comprises: a support frame (1) formed with a receiving cavity (112); a connecting frame (2) with a lower end received in the receiving cavity (112) and connected with the support frame (1) in the vertical direction, and an upper end exposed; a waterproof structure (3) comprising: an internal filling part (31) filled in the internal part of the receiving cavity (112); an external shell (32) covering the external part of the support frame (1), the external shell (32) being used to support the support surface structure (4) and being sealingly connected with the support surface structure (4).

2. The support of claim 1, wherein The connecting frame (2) is spaced apart from the support frame (1) in any direction, and the gap between the connecting frame (2) and the support frame (1) is filled with the internal filling part (31).

3. The support of claim 1, wherein The receiving cavity (112) comprises a cavity body (1121) and a limiting cavity (1122) in communication with the cavity body (1121), the connecting frame (2) comprises a connecting frame body (22) and a limiting structure (23) at the lower end of the connecting frame body (22), the connecting frame body (22) is inserted into the cavity body (1121), and the limiting structure (23) is partially received in the limiting cavity (1122), and the side wall of the limiting cavity (1122) in the vertical direction is limitingly connected with the limiting structure (23).

4. The support of claim 3, wherein The support frame (1) comprises a frame body (11) comprising a plurality of structural members (111) connected with each other, and the receiving cavity (112) is formed between the plurality of structural members (111).

5. The support of claim 4, wherein The plurality of structural members (111) are connected end to end and enclose the cavity body (1121), and the limiting cavity (1122) is arranged through one or more of the structural members (111).

6. The support of claim 4, wherein The top of the structural member (111) is provided with a transverse groove (113) and a notch (114) in communication with the transverse groove (113), the plurality of structural members (111) are cross-connected and jointly form the receiving cavity (112) through the transverse grooves (113) and the notches (114) between each other, the notches (114) in the plurality of structural members (111) jointly form the cavity body (1121), and the transverse grooves (113) in the plurality of structural members (111) form the limiting cavity (1122).

7. The support of claim 6, wherein The frame body (11) further comprises a bottom plate (115) connected with the bottom end of each structural member (111).

8. The support of claim 6, wherein The structural member (111) is a trapezoidal plate.

9. A support according to any one of claims 3 to 8, characterised in that The projection of the connecting frame (2) in at least one vertical plane is in the form of an inverted T-shaped structure.

10. A support according to any one of claims 3 to 8, characterised in that The support frame (1) further comprises a second connecting structure (12) at the bottom end, the second connecting structure (12) being connected with the frame body (11), the second connecting structure (12) being used to be connected with the support surface structure (4) through a fixing structure (5), and part of the fixing structure (5) being located inside the support surface structure (4).

11. The support of claim 10, wherein The second connecting structure (12) comprises a connecting hole (121), and the fixing structure (5) extends into and connects with the connecting hole (121).

12. A support according to any one of claims 1 to 8, wherein The top surface of the external shell (32) is used for contacting with a structure (6) to be supported to support the structure (6) to be supported, and an exposed part of the connecting frame (2) is provided with a first connecting structure (21) used for connecting with the structure (6) to be supported; the first connecting structure (21) comprises an external thread structure.

13. A support according to any one of claims 1 to 8, wherein The support surface structure (4) comprises a support layer (41) and a waterproof layer (43), and the external shell (32) is hot-melt connected with the waterproof layer (43).

14. A photovoltaic mount, characterized by, The support seat comprises the support seat according to any one of claims 1 to 13.

15. A power system characterized by, The photovoltaic support comprises the photovoltaic support according to claim 14.

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