CN217630923U - Connecting device and photovoltaic building - Google Patents

Abstract

The embodiment of the application provides a connecting device and a photovoltaic building. The connecting device includes: the photovoltaic bracket is internally provided with an accommodating cavity, the top of the accommodating cavity is provided with an opening, the edge of the opening of the photovoltaic bracket is provided with a flanging extending towards the accommodating cavity, and the flanging and the side edge of the photovoltaic bracket form an accommodating space; the edge of the connecting block is provided with an outward convex connecting part, the connecting part is at least partially embedded in the accommodating space, the side wall of the connecting part close to the flanging is an inclined side wall, and the central area of the connecting block is provided with a threaded hole; the pressing block comprises a horizontal plate and a connecting structure connected below the horizontal plate, a blocking piece protruding towards the flanging is arranged on the outer side wall of the connecting structure, and a mounting hole is formed in the horizontal plate; the fastener, the fastener is worn to locate mounting hole and screw hole in proper order. The connecting device provided by the embodiment of the application has higher structural stability.

Description

Connecting device and photovoltaic building

Technical Field

This application belongs to photovoltaic technical field, concretely relates to connecting device and photovoltaic building.

Background

Photovoltaic buildings (Building Integrated Photovoltaic, BIPV) are a technology for installing Photovoltaic modules on the roof of a Building to provide electric power, and the Photovoltaic buildings not only can meet the requirements of Building aesthetics, building lighting and safety performance, but also can avoid the Photovoltaic modules from occupying land resources, and have the advantages of environmental protection. In a particular application, photovoltaic modules are generally fixed to the surface of a building by means of connecting devices to obtain a photovoltaic building.

In the prior art, the connecting device for fixing the photovoltaic module generally comprises a photovoltaic bracket and a bolt. Generally, bolts can be used to secure the photovoltaic module within the threaded holes of the photovoltaic support. However, under the effect of long-term expansion with heat and contraction with cold, the bolt and the photovoltaic support are easy to loosen, so that the structural stability of the existing connecting device is poor.

SUMMERY OF THE UTILITY MODEL

The application aims at providing a connecting device and a photovoltaic building to solve the problem that the existing connecting device is poor in structural stability.

In order to solve the technical problem, the present application is implemented as follows:

in a first aspect, the present application discloses a connection device, comprising:

the photovoltaic bracket is provided with an accommodating cavity, the top of the accommodating cavity is provided with an opening, the edge of the opening of the photovoltaic bracket is provided with a flanging extending towards the accommodating cavity, and the flanging and the side edge of the photovoltaic bracket form an accommodating space;

the edge of the connecting block is provided with an outward protruding connecting part, the connecting part is at least partially embedded in the accommodating space, the side wall of the connecting part close to the flanging part is an inclined side wall, and the central area of the connecting block is provided with a threaded hole;

the pressing block comprises a horizontal plate and a connecting structure connected below the horizontal plate, a blocking piece protruding towards the flanging is arranged on the outer side wall of the connecting structure, and a mounting hole is formed in the horizontal plate;

the fastener, the fastener wears to locate in proper order the mounting hole with the screw hole to connect the briquetting with the connecting block, and realize the briquetting the connecting block and locking between the photovoltaic support.

Optionally, the inclined side wall is further provided with an internal tooth spike, and the top of the internal tooth spike extends obliquely downwards.

Optionally, one side of the connecting portion close to the side wall of the photovoltaic bracket is provided with an external tooth spike, and the top of the external tooth spike extends horizontally.

Optionally, the height of the protrusions of the blocking member increases in sequence along the direction from bottom to top.

Optionally, the number of the blocking parts is multiple, the blocking parts are sequentially arranged from bottom to top at intervals, in every two adjacent blocking parts, the maximum protrusion height of the blocking part located below is a first protrusion height, the maximum protrusion height of the blocking part located above is a second protrusion height, and the first protrusion height is smaller than the second protrusion height.

Optionally, connection structure's bottom is provided with the joint groove, the joint groove is used for the joint the connecting block, in order to realize mounting hole on the briquetting with counterpoint of screw hole on the connecting block.

Optionally, a circular arc-shaped guide portion is arranged below a groove wall of the clamping groove, and the guide portion is used for guiding the connecting block into the clamping groove.

Optionally, the pressing block further comprises at least one second vertical plate connected above the horizontal plate, and a top plate connected on top of the second vertical plate, the top plate being used for connecting with a photovoltaic module; and one side of the top plate, which is close to the photovoltaic module, is also provided with a spine structure, and the spine structure extends towards the photovoltaic module.

Optionally, a plurality of dismounting holes are further arranged on the connecting block, and the dismounting holes are arranged around the threaded hole.

In a second aspect, the present application further discloses a photovoltaic building, comprising: a building, a photovoltaic module and a connection device according to any of the above; wherein the content of the first and second substances,

the pressing block of the connecting device is connected with the photovoltaic module;

the building is provided with a support, and a photovoltaic support of the connecting device is connected with the support.

In the embodiment of the application, because the connecting block is close to the turn-ups's of photovoltaic support lateral wall is the slope lateral wall, be provided with the orientation on the lateral wall of the connection structure of briquetting the bellied piece that keeps off of turn-ups. Thus, in the case where the fastener is screwed into the mounting hole and the threaded hole, the pressing piece will move downward as the fastener is screwed. Therefore, the blocking piece on the pressing block and the inclined side wall can clamp the flanging from two sides of the flanging, so that the pressing block, the connecting block and the photovoltaic support can be locked, and the connecting device is high in structural stability.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of a connecting device according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a briquette according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of another compact according to an embodiment of the present application;

FIG. 4 is a schematic view of a connecting block according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of another angle configuration of the connector block shown in FIG. 4;

FIG. 6 is a further angular configuration of the connector block shown in FIG. 4;

FIG. 7 is a schematic view of a stop on a connection structure according to an embodiment of the present disclosure;

FIG. 8 is a schematic structural diagram of another briquette according to an embodiment of the present application

FIG. 9 is a schematic view of a compact according to an embodiment of the present application.

Reference numerals are as follows: 10-photovoltaic support, 101-flanging, S1-containing cavity, 11-connecting block, 111-connecting part, 1111-inclined side wall, 1112-internal tooth spine, 1113-external tooth spine, 112-threaded hole, 113-dismounting hole, 12-pressing block, 121-horizontal plate, 122-connecting structure, 1221-blocking part, 1222-clamping groove, 1223-guiding part, 123-mounting hole, 124-second vertical plate, 125-top plate, 1251-spine structure, 13-fastener and 20-photovoltaic module.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of those features. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, a schematic structural diagram of a connecting device according to an embodiment of the present application is shown, referring to fig. 2, a schematic structural diagram of a pressing block according to an embodiment of the present application is shown, referring to fig. 3, a schematic structural diagram of another pressing block according to an embodiment of the present application is shown, referring to fig. 4, a schematic structural diagram of a connecting block according to an embodiment of the present application is shown, referring to fig. 5, a schematic structural diagram of another angle of the connecting block shown in fig. 4 is shown, and referring to fig. 6, a schematic structural diagram of another angle of the connecting block shown in fig. 4 is shown. The connection device may specifically include:

the photovoltaic support 10 is provided with an accommodating cavity S1, the top of the accommodating cavity S1 is provided with an opening, the edge of the opening of the photovoltaic support 10 is provided with a flange 101 extending towards the accommodating cavity S1, and the flange 101 and the side edge of the photovoltaic support 10 form an accommodating space;

the edge of the connecting block 11 is provided with an outward protruding connecting part 111, at least part of the connecting part 111 is embedded in the accommodating space, the side wall of the connecting part 111 close to the flange 101 is an inclined side wall 1111, and the central area of the connecting block 11 is provided with a threaded hole 112;

the pressing block 12, the pressing block 12 may include a horizontal plate 121 and a connecting structure 122 connected below the horizontal plate 121, a blocking member 1221 protruding toward the flange 101 is disposed on an outer side wall of the connecting structure 122, and a mounting hole 123 is disposed on the horizontal plate 121;

the fastener 13 and the fastener 13 sequentially penetrate through the mounting hole 123 and the threaded hole 112 to connect the pressing block 12 and the connecting block 11, and lock among the pressing block 12, the connecting block 11 and the photovoltaic bracket 10 is achieved.

In this embodiment, since the side wall of the connection block 11 close to the flange 101 of the photovoltaic support 10 is the inclined side wall 1111, the outer side wall of the connection structure 122 of the pressing block 12 is provided with a blocking member 1221 protruding toward the flange 101. Therefore, in the case where the fastener 13 is screwed into the mounting hole 123 and the screw hole 112, the pressing piece 12 moves downward as the fastener 13 is screwed. In this way, the blocking piece 1221 and the inclined side wall 1111 on the pressing piece 12 clamp the flanging 101 from two sides of the flanging 101, so that the locking among the pressing piece 12, the connecting block 11 and the photovoltaic bracket 10 is realized, and the structural stability of the connecting device is high.

In practical application, the connecting block 11 may be placed in the accommodating cavity S1 of the photovoltaic support 10, the connecting portion 111 of the connecting block 11 is embedded in the accommodating space between the flange 101 and the side wall of the photovoltaic support 10, the connecting structure 122 of the pressing block 12 is abutted to the upper side of the connecting block 11, and then the pressing block 12 and the connecting block 11 are connected by the fastening member 13.

It should be noted that the connecting structure 122 can be as shown in fig. 2, and includes two opposite risers that are arranged at intervals, and the blocking member 1221 can be arranged on the outer side wall of the first riser. Alternatively, the connecting structure 122 may be a unitary structure, which may include a first outer sidewall and a second outer sidewall that are disposed away from each other, and the first outer sidewall and the second outer sidewall are respectively disposed with the blocking member 1221 thereon. The embodiment of the present application may not be limited to the specific structure of the connection structure 122.

In this embodiment, the upper side of the inclined side wall 1111 may be inclined toward the direction away from the flange 101, so that in the process that the pressing block 12 moves downward along with the screwing-in of the fastening member 13, the blocking member 1221 is close to the flange 101 at one side of the opening to clamp the flange 101, so that the flange 101 is slightly deformed toward the side away from the opening. Under the condition that turn-ups 101 takes place little deformation, the connection of slope lateral wall 1111 and turn-ups 101 will be inseparabler, and slope lateral wall 1111 can be kept away from turn-ups 101 an open-ended centre gripping turn-ups 101 to make the piece 1221 that keeps off on the briquetting 12 and slope lateral wall 1111 follow turn-ups 101 is held to both sides of turn-ups 101, realizes the locking between briquetting 12, connecting block 11 and photovoltaic support 10, connecting device's structural stability is higher.

In some optional embodiments of the present application, the inclined side wall 1111 is further provided with internal teeth spikes 1112, and a top portion of the internal teeth spikes 1112 extends obliquely downward. In the process that the pressing block 12 moves downwards along with the screwing of the fastener 13, under the action of the flanging 101 and the blocking piece 1221, the pressing block is slightly deformed towards the side far away from the opening, the connection between the built-in spike 1112 and the flanging 101 is tighter and tighter, and the self-locking reliability between the connecting block 11 and the photovoltaic support 10 is improved. Moreover, as the top of the internal tooth spike 1112 extends obliquely downwards, the flanging 101 can be further prevented from being separated from the internal tooth spike 1112, and the self-locking reliability between the connecting block 11 and the photovoltaic bracket 10 is further improved.

Optionally, one side of the connection part 111 close to the sidewall of the photovoltaic support 10 is provided with an outer tooth spike 1113, and a top of the outer tooth spike 1113 horizontally extends to face the sidewall of the photovoltaic support 10. Under the condition that the outer tooth spike 1113 is connected with the side wall of the photovoltaic support 10, the friction between the connecting block 11 and the photovoltaic support 10 can be increased, and the connection stability between the connecting block and the photovoltaic support is improved.

Referring to fig. 7, which shows a schematic structural diagram of the blocking member on the connection structure according to the embodiment of the present application, as shown in fig. 7, the height of the protruding portion of the blocking member 1221 increases sequentially from bottom to top, so that in the process that the pressing block 12 moves downward along with the screwing-in of the fastening member 13, as the pressing block 12 moves downward further, the abutting effect of the blocking member 1221 on the flange 101 further increases.

As an example, the cross-sectional shape of the resistance member 1221 may be an inverted triangle as shown in fig. 7, that is, the apex angle of the triangle is directed downward. Thus, the height of the projections of the stoppers 1221 is sequentially increased in the bottom-up direction.

Optionally, the number of the blocking members 1221 is a plurality of, the blocking members 1221 are sequentially arranged from bottom to top at intervals, in two adjacent blocking members 1221, the maximum protrusion height of the blocking member 1221 located below is a first protrusion height E, the maximum protrusion height of the blocking member 1221 located above is a second protrusion height D, and the first protrusion height E is smaller than the second protrusion height D. Thus, in the process that the pressing block 12 moves downwards along with the screwing of the fastening piece 13, the blocking piece 1221 located below abuts against the flange 101 firstly, and then the blocking piece 1221 located above abuts against the flange 101, and since the first protrusion height E is smaller than the second protrusion height D, the abutting effect of the blocking piece 1221 located above on the flange 101 is better than that of the blocking piece 1221 located below on the flange 101.

It should be noted that, in the drawings of the embodiment of the present application, only the case that the stoppers 1221 only include two stoppers from top to bottom is shown, and in practical applications, the number of the stoppers 1221 may be set according to practical situations, for example, the number of the stoppers 1221 may be 3, 4, or 6, and the like, and the number of the stoppers 1221 in the embodiment of the present application is not specifically limited.

In some optional embodiments of the present application, the bottom of the connecting structure 122 is provided with a clamping groove 1222, and the clamping groove 1222 can be used for clamping the connecting block 11 to align the mounting hole 123 on the pressing block 12 with the threaded hole 112 on the connecting block 11. In practical application, will briquetting 12 supports holds under the condition of connecting block 11, joint groove 1222 can direct joint on connecting block 11 to with connecting block 11 spacing in joint groove 1222, realize the automatic alignment of mounting hole 123 on briquetting 12 and the screw hole 112 on the connecting block 11, make things convenient for fastener 13 to wear to establish in mounting hole 123 and screw hole 112 in proper order, improve connecting device's assembly efficiency.

Alternatively, a guide portion 1223 having a circular arc shape is provided below a groove wall of the catching groove 1222, and the guide portion 1223 may be used to guide the connecting block 11 into the catching groove 1222. Like this, support the briquetting 12 in the condition of connecting block 11, connecting block 11 can slide to in the joint groove 1222 along guide 1223 to improve the efficiency that connecting block 11 got into joint groove 1222.

Specifically, the pressing block 12 may further include at least one second vertical plate 124 connected above the horizontal plate 121, and a top plate 125 connected on top of the second vertical plate 124, and the top plate 125 may be used for connecting with the photovoltaic module 20; wherein, top board 125 is close to photovoltaic module 20's one side still is provided with spine structure 1251, and spine structure 1251 extends towards photovoltaic module 20, and under the circumstances that spine structure 1251 is connected with photovoltaic module 20, can increase the friction between top board 125 and photovoltaic module 20, improve the connection stability between the two.

It should be noted that in the embodiment of the present application, in the case that the connecting device is used for connecting the photovoltaic module 20 only on a single side, the pressing block 12 may be an edge pressing block as shown in fig. 2, that is, only one second riser 124 is included in the pressing block 12. In the case where the connecting device is used on both sides of the photovoltaic module 20, the pressing block 12 may be a middle pressing block as shown in fig. 3, that is, two second risers 124 need to be included in the pressing block 12. The pressing block 12 in the connecting device can be selected according to actual conditions, and the embodiment of the present application does not limit this.

Optionally, a plurality of dismounting holes 113 are further provided on the connecting block 11, and the plurality of dismounting holes 113 are arranged around the threaded hole 112. The removal hole 113 may facilitate the insertion of the removal tool to remove the connection block 11 from the photovoltaic support 10.

As shown in fig. 6, the connecting block 11 may be a strip-shaped structure with a square middle portion and two arc-shaped ends, and a horizontal dimension a between vertexes of two arc-shaped ends may be slightly smaller than an inward opening dimension M of the photovoltaic support 10, so that the connecting block 11 may freely rotate in the photovoltaic support 10 without screwing the fastener 13. And size B of connecting block 11 can slightly be less than the length dimension of joint groove 1222 on the briquetting 12, its difference is approximately equal to the briquetting 12 on mounting hole 123 and the connecting block 11 on the screw hole 112 size poor, the purpose that sets up like this can realize the counterpoint of screw hole 112 and mounting hole 123 after joint groove 1222 card of briquetting 12 goes into on the connecting block 11 fast, size X should slightly be less than the open-ended size between two turn-ups 101 of photovoltaic support 10 on the connecting block 11, just so can guarantee to form the auto-lock at connecting block 11 in-process that rises.

Referring to fig. 8, which shows a schematic structural view of another pressing block according to an embodiment of the present application, and to fig. 9, which shows a schematic structural view of another pressing block according to an embodiment of the present application, as shown in fig. 8 and 9, a lower portion of the connecting structure 122 may extend outward to clamp the connecting block 11. The upper portion of the connecting structure 122 may be flush with the edge of the horizontal plate 121, and maintain a narrow width, so that when the pressing block 12 is connected to the photovoltaic module 20, a small space may be used to place the pressing block 12, thereby improving the layout compactness of the photovoltaic module 20.

In summary, the connection device according to the embodiments of the present application may include at least the following advantages:

in the embodiment of the application, because the connecting block is close to the turn-ups's of photovoltaic support lateral wall is the slope lateral wall, be provided with the orientation on the lateral wall of the connection structure of briquetting the bellied piece that keeps off of turn-ups. Thus, in the case where the fastener is screwed into the mounting hole and the threaded hole, the pressing piece will move downward as the fastener is screwed. Therefore, the blocking piece on the pressing block and the inclined side wall can clamp the flanging from two sides of the flanging, so that the pressing block, the connecting block and the photovoltaic support are locked, and the structural stability of the connecting device is high.

An embodiment of the present application further provides a photovoltaic building, the photovoltaic building includes: a building, a photovoltaic module and a connection device according to any of the above; the pressing block of the connecting device is connected with the photovoltaic module; the building is provided with a support, and a photovoltaic support of the connecting device is connected with the support.

In the embodiment of the application, because the connecting block is close to the turn-ups's of photovoltaic support lateral wall is the slope lateral wall, be provided with the orientation on the lateral wall of the connection structure of briquetting the bellied piece that keeps off of turn-ups. Therefore, in the case where the fastener is screwed into the mounting hole and the threaded hole, the pressing piece moves downward as the fastener is screwed. Therefore, the blocking piece on the pressing block and the inclined side wall can clamp the flanging from two sides of the flanging, so that the pressing block, the connecting block and the photovoltaic support are locked, and the structural stability of the connecting device is high.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A connection device, characterized in that it comprises:

the photovoltaic bracket is provided with an accommodating cavity, the top of the accommodating cavity is provided with an opening, the edge of the opening of the photovoltaic bracket is provided with a flanging extending towards the accommodating cavity, and the flanging and the side edge of the photovoltaic bracket form an accommodating space;

the edge of the connecting block is provided with an outward convex connecting part, the connecting part is at least partially embedded in the accommodating space, the side wall of the connecting part close to the flanging is an inclined side wall, and the central area of the connecting block is provided with a threaded hole;

the pressing block comprises a horizontal plate and a connecting structure connected below the horizontal plate, a blocking piece protruding towards the flanging is arranged on the outer side wall of the connecting structure, and a mounting hole is formed in the horizontal plate;

the fastener, the fastener wears to locate in proper order the mounting hole with the screw hole to connect the briquetting with the connecting block, and realize the briquetting the connecting block and locking between the photovoltaic support.

2. The connecting device according to claim 1, wherein the inclined side wall is further provided with internal tooth spikes, and the top of the internal tooth spikes extends obliquely downwards.

3. The connecting device according to claim 2, characterized in that one side of the connecting portion close to the side wall of the photovoltaic bracket is provided with an external tooth spike, and the top of the external tooth spike extends horizontally.

4. The connecting device as claimed in claim 1, wherein the height of the protrusions of the blocking member is sequentially increased in a direction from bottom to top.

5. The connecting device according to claim 4, wherein the number of the blocking members is plural, the plural blocking members are arranged at intervals from bottom to top, and in two adjacent blocking members, the maximum protrusion height of the blocking member located at the lower side is a first protrusion height, the maximum protrusion height of the blocking member located at the upper side is a second protrusion height, and the first protrusion height is smaller than the second protrusion height.

6. The connecting device according to claim 1, wherein a clamping groove is formed in the bottom of the connecting structure and used for clamping the connecting block so as to align the mounting hole in the pressing block with the threaded hole in the connecting block.

7. The connecting device as claimed in claim 6, wherein a guide part having a circular arc shape is provided below a groove wall of the engaging groove, and the guide part is used to guide the connecting block into the engaging groove.

8. The connection device of claim 1, wherein the press block further comprises at least one second riser connected above the horizontal plate, and a top plate connected atop the second riser, the top plate for connection with a photovoltaic module; and a spine structure is further arranged on one side, close to the photovoltaic module, of the top plate, and the spine structure extends towards the photovoltaic module.

9. The connecting device according to claim 1, wherein a plurality of detaching holes are further provided on the connecting block, and the plurality of detaching holes are arranged around the threaded hole.

10. A photovoltaic building, comprising: a building, a photovoltaic module and a connection device as claimed in any one of claims 1 to 9; wherein the content of the first and second substances,

the pressing block of the connecting device is connected with the photovoltaic module;

the building is provided with a support, and a photovoltaic support of the connecting device is connected with the support.

Images