CN219068139U - Firm type frame of photovoltaic module - Google Patents

Abstract

The utility model discloses a solid frame of a photovoltaic module, which comprises a photovoltaic panel and a frame body wrapping the photovoltaic panel. The frame body is surrounded by four frame bars with the same cross section. The side is provided with an inward chamfer that makes the corners of two adjacent frame bars coincide with each other, and the frame bar is provided with a mounting groove for fixing the photovoltaic panel, and a connecting cavity is provided below the mounting groove , the connecting cavities of two adjacent frame bars are fixed by connecting corner fittings matched with the connecting cavities. The solid frame of the photovoltaic module of the utility model is fixed by embedding connecting corner pieces in the frame strips, which increases the strength of the corners of the frame body. The strength of the photovoltaic module frame is enhanced, and the wide body on both sides is fixed by connecting the corner pieces, avoiding the conventional design of only glue bonding, effectively avoiding the decomposition of the frame, and making the frame more stable.

Description

A solid frame for a photovoltaic module

technical field

The utility model belongs to the technical field of solar photovoltaic components, in particular to a solid frame of a photovoltaic component.

Background technique

Photovoltaic modules are made of single-product silicon cells or multi-product silicon cells, ultra-white tempered glass, TPT, and EVA, which are laminated at high temperature by a solar panel laminator, and these materials are laminated together. Under sunlight, it absorbs sunlight and converts it into electricity.

Under normal circumstances, the photovoltaic module is composed of a frame made of aluminum alloy to wrap the photovoltaic panel. However, the aluminum alloy causes its own material problems. In order to reduce the weight, a cavity is formed in the middle, resulting in low strength, which makes the photovoltaic module The strength of the aluminum alloy frame is also low, especially at the corners. During the installation process, the photovoltaic module is prone to bumps due to its flat structure, which is likely to cause damage to the frame, especially the corners of the frame. As a result, the connection of the frame is not firm, and it is easy to be disassembled by mistake under the action of external force, resulting in damage to the photovoltaic module.

Utility model content

The technical problem to be solved by the present invention is to provide a strong frame of a photovoltaic module with high strength, especially a reinforced design for the corners.

The technical scheme that the present invention solves the problems of the technologies described above is:

A solid frame for a photovoltaic module, including a photovoltaic panel and a frame that wraps the photovoltaic panel, the frame is surrounded by four frame bars with the same cross section, and the two sides of the frame bar are provided with Adjacent to the inwardly cut corners where the corners of the two frame bars coincide with each other, the frame bars are provided with installation grooves for fixing the photovoltaic panels, and a connecting cavity is provided below the installation grooves, and two adjacent The connection cavity of the frame bar is fixed by a connection angle fitting matched with the connection cavity.

Specifically, the two connecting blocks of the connecting angle piece used to be inserted into the connecting cavity are provided with limiting structures, and the inner surface of the connecting cavity is provided with limiting grooves that match the limiting structures. , the limiting structure is stuck in the limiting groove so as to prevent the connecting block from detaching from the connecting cavity.

Specifically, the limiting structure includes an assembly groove opened on the side of the connecting block, a spring and a limiting plate arranged in the assembling groove, the limiting plate is hinged in the assembling groove, and the spring Installed in the assembly groove and elastically limit the limit plate, the limit plate coincides with the limit groove.

Preferably, there are two sets of limiting structures on each connecting block, which are fixed on opposite sides of the connecting block in a mirror image, and the number and position of the limiting grooves match the number of the limiting structures .

Specifically, the two opposite sides of the connecting cavity avoiding the limiting groove are provided with several splicing protrusions penetrating through the connecting cavity, and the connecting block avoids the opposite two sides of the limiting structure. The side is provided with several splicing grooves matching the splicing protrusions, and the splicing grooves are L-shaped and run through the side of the connecting corner piece.

Specifically, anti-collision corners are also included, and the anti-collision corners are nested outside the four corners of the frame body and wrap around the four corners of the frame body.

Preferably, the outer side of the frame bar is provided with several triangular grooves, and the inner surface of the anti-collision angle is provided with several triangular ribs matching the triangular grooves, and the triangular ribs are used for embedding Set in the triangular groove.

Specifically, several fixing blocks are provided under the side of the frame bar facing the photovoltaic panel, and fixing holes are opened on the fixing blocks.

Preferably, the frame bars are integrally formed aluminum alloy profiles.

The utility model has the following beneficial effects: by embedding connecting corner pieces in the frame strips for fixing, the strength of the corners of the frame body is firstly increased, even if bumped, it is not easy to deform due to the filling of the connecting corner pieces, which greatly enhances The strength of the photovoltaic module frame is improved. Secondly, the wide body on both sides is fixed by connecting the corner pieces, avoiding the conventional design of only glue bonding, effectively avoiding the decomposition of the frame, and making the frame more stable.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of an embodiment of the utility model.

Fig. 2 is a three-dimensional and cross-sectional structural schematic diagram of the frame bar in the embodiment of the present invention.

Fig. 3 is a schematic cross-sectional structure diagram of the frame bar in the embodiment of the present invention.

Fig. 4 is a three-dimensional and top view structural schematic diagram of the connecting corner piece in the embodiment of the utility model.

Fig. 5 is a schematic diagram of the assembly structure of the frame in the embodiment of the present invention.

Fig. 6 is an enlarged schematic diagram of an assembly section of a corner of a frame in an embodiment of the present invention.

Fig. 7 is a schematic diagram of the three-dimensional and side structure of the anti-collision angle in the embodiment of the utility model.

The meanings of the serial numbers in the accompanying drawings are as follows:

1 photovoltaic panel, 2 frame bar, 21 installation groove, 22 overflow glue groove, 23 connecting cavity, 24 limit groove, 25 splicing protrusion, 26 triangular groove, 27 fixing block, 28 fixing hole, 3 connecting corner piece, 31 connection blocks, 32 assembly slots, 33 springs, 34 limit plates, 35 splicing grooves, 4 anti-collision angles, 41 triangular ribs.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in detail.

Example:

A solid frame of a photovoltaic module according to an embodiment of the utility model includes a photovoltaic panel 1 and a frame that wraps the photovoltaic panel 1, and the frame is surrounded by four frame strips 2 with the same cross section. Both sides of the frame bar 2 are provided with an inward cut angle that makes two adjacent frame bars 2 corners coincide with each other. The cut angle generally adopts an angle of 45° to facilitate the vertical connection of two adjacent wide bars. The frame bar 2 is provided with a mounting groove 21 for fixing the photovoltaic panel 1, and a connecting cavity 23 is provided below the mounting groove 21, and the connecting cavity 23 of two adjacent frame bars 2 passes through the The connecting corner fitting 3 matching the connecting cavity 23 is fixed. The adjacent frame strips 2 are fixed by setting the connecting corner piece 3, so that the connection of the assembled frame body is more stable, and it is not easy to fall off, and the stability and firmness of the frame body are enhanced. Preferably, a glue overflow groove 22 is provided on the upper inner wall of the installation groove 21 for accommodating excess glue when the photovoltaic panel 1 is installed and bonded in the installation groove 21 .

Specifically, the two connecting blocks 31 of the connecting angle fitting 3 used to be inserted into the connecting cavity 23 are provided with limiting structures, and the inner surface of the connecting cavity 23 is provided with a spacer that interacts with the limiting structures. Matching limiting groove 24 , the limiting structure is stuck in the limiting groove 24 to prevent the connecting block 31 from detaching from the connecting cavity 23 . The limit structure is added to make it more difficult for the connecting corner fitting 3 to fall off once it is embedded in the connecting cavity 23, thereby making the connection of the frame more stable. At the same time, the connecting corner fitting 3 also plays a role of filling the connecting cavity 23, The structure of the corners of the frame is tighter and the cavity is reduced, so that the corners of the frame can withstand collisions with stronger impact without deformation.

Specifically, the limiting structure includes an assembly groove 32 opened on the side of the connecting block 31, a spring 33 and a limiting plate 34 arranged in the assembling groove 32, and the limiting plate 34 is hinged on the assembly. In the groove 32 , the spring 33 is installed in the assembly groove 32 and elastically restricts the limiting plate 34 , and the limiting plate 34 coincides with the limiting groove 24 . Preferably, the limiting structures on each connecting block 31 are divided into two groups, and are fixed on opposite sides of the connecting block 31 in a mirror image, and the number and position of the limiting grooves 24 are the same as those of the limiting structures. The numbers match. The limit plate 34 is supported by the spring 33, so that the limit plate 34 is directly supported by the spring 33 to clamp the limit groove 24 when it is in place, so that the connecting corner piece 3 cannot fall off, and the firmness of the frame can be further improved.

Specifically, the connecting cavity 23 is provided with several splicing protrusions 25 penetrating through the connecting cavity 23 on two opposite sides avoiding the limiting groove 24, and the connecting block 31 avoids the limiting groove 24. Several splicing grooves 35 matching the splicing protrusions 25 are provided on the two opposite sides of the structure, and the splicing grooves 35 run through the sides of the connecting corner piece 3 in an L shape. The setting of the splicing protrusion 25 and the splicing groove 35 makes the contact between the connecting corner piece 3 and the connecting cavity 23 more closely, and plays a certain guiding role during embedding to ensure a smooth embedding operation.

Specifically, anti-collision corners 4 are also included, and the anti-collision corners 4 are nested outside the four corners of the frame body and wrap around the four corners of the frame body. Preferably, the outer side of the frame bar 2 is provided with several triangular grooves 26, and the inner surface of the anti-collision angle 4 is provided with several triangular ribs 41 matching the triangular grooves 26, the triangular The rib 41 is used to nest in the triangular groove 26 . The setting of the anti-collision angle 4 enables the frame body to have a better anti-collision effect, further enhancing the anti-collision effect. In addition, the design of embedding the triangular rib 41 into the triangular groove 26 is adopted, so that after the anti-collision corner 4 is embedded, the friction force caused by the triangular groove 26 on the triangular rib 41 makes the anti-collision corner 4 not easy to fall off.

Specifically, several fixing blocks 27 are provided on the lower side of the frame bar 2 facing the photovoltaic panel 1 , and fixing holes 28 are opened on the fixing blocks 27 . The fixing block 27 is used to fix the photovoltaic module on the fixing bracket or other structure for installing the photovoltaic module, without additional holes, and the effect of ensuring the consistency of the frame is good.

Preferably, the frame bars 2 are integrally formed aluminum alloy profiles. Through pouring molding, the overall structure is tighter and more convenient for production. The length of the frame bar 2 can be cut and shaped according to the size of the photovoltaic module, so that it can be universally connected to the corner piece 3 and the anti-collision corner 4, and has a wider application range.

The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be assumed that the specific implementation of the utility model is only limited to these descriptions. For a person of ordinary skill in the technical field to which the utility model belongs, without departing from the concept of the utility model, some simple deduction or substitutions can also be made, which should be regarded as belonging to the protection scope of the utility model.

Claims (9)

1. The utility model provides a firm formula frame of photovoltaic module, includes photovoltaic board (1) and parcel photovoltaic board (1) framework, its characterized in that: the frame body is formed by encircling frame strips (2) with the same cross section, two adjacent frame strips (2) are arranged on two sides of the frame strips (2), each frame strip (2) is provided with an inward chamfer enabling corners of the frame strips to be anastomotic, the frame strips (2) are provided with mounting grooves (21) for fixing the photovoltaic panel (1), connecting cavities (23) are arranged below the mounting grooves (21), and the connecting cavities (23) of the two adjacent frame strips (2) are fixed through connecting corner pieces (3) anastomotic with the connecting cavities (23).

2. The firm frame of a photovoltaic module of claim 1, wherein: the connecting corner fitting (3) is used for being inserted into two connecting blocks (31) in the connecting cavity (23), limiting structures are arranged on the inner side faces of the connecting cavity (23), limiting grooves (24) matched with the limiting structures are formed in the inner side faces of the connecting cavity, and the limiting structures are clamped in the limiting grooves (24) to prevent the connecting blocks (31) from being separated from the connecting cavity (23).

3. The firm frame of a photovoltaic module of claim 2, wherein: the limiting structure comprises an assembling groove (32) formed in the side face of the connecting block (31), a spring (33) and a limiting plate (34), wherein the spring (33) and the limiting plate (34) are arranged in the assembling groove (32), the limiting plate (34) is hinged in the assembling groove (32), the spring (33) is installed in the assembling groove (32) and elastically limits the limiting plate (34), and the limiting plate (34) is matched with the limiting groove (24).

4. A solid state frame for a photovoltaic module according to claim 3, wherein: the limiting structures on each connecting block (31) are two groups and are fixed on two opposite side surfaces of the connecting block (31) in a mirror image mode, and the number and the positions of the limiting grooves (24) are identical to those of the limiting structures.

5. The firm frame of a photovoltaic module of claim 4, wherein: the connecting cavity (23) avoid the relative two sides of spacing groove (24) are equipped with a plurality of and run through splice protruding (25) of connecting cavity (23), connecting block (31) avoid limit structure's relative two sides be equipped with splice protruding (25) assorted a plurality of splice recess (35), splice recess (35) are the L type and run through the side of connecting corner fitting (3).

6. The solid state frame of a photovoltaic module of any of claims 1-5, wherein: the anti-collision device is characterized by further comprising anti-collision corners (4), wherein the anti-collision corners (4) are nested outside four corners of the frame body and wrap the four corners of the frame body.

7. The firm frame of a photovoltaic module of claim 6, wherein: the anti-collision device is characterized in that a plurality of triangular grooves (26) are formed in the outer side of the frame strip (2), a plurality of triangular ribs (41) matched with the triangular grooves (26) are formed in the inner side face of the anti-collision angle (4), and the triangular ribs (41) are used for being nested in the triangular grooves (26).

8. The firm frame of a photovoltaic module of claim 5, wherein: the frame strip (2) is provided with a plurality of fixing blocks (27) facing to the lower side of the side face of the photovoltaic panel (1), and fixing holes (28) are formed in the fixing blocks (27).

9. The firm frame of a photovoltaic module of claim 5, wherein: the frame strip (2) is an integrally formed aluminum alloy section.

Images