CN220359112U - Briquetting for photovoltaic module, briquetting module and photovoltaic system - Google Patents

Abstract

The utility model discloses a pressing block for a photovoltaic module, the pressing block module and a photovoltaic system. The whole cuboid shape that is of this briquetting, briquetting have upper surface and lower surface, are provided with the through-hole that runs through to the lower surface from the upper surface on the briquetting, and the briquetting can be fixed to the support that is used for photovoltaic module via the fixing device who passes the through-hole on, wherein, set up flutedly along length direction on the lower surface, the recess is used for cooperating with the arch on photovoltaic module's the frame bottom upper surface, and the width of recess is greater than bellied width 0.15-0.45mm. The pressing block provided by the utility model has the advantages that the assembly is more smooth to install, the bearing capacity of the pressing block is large, the installation efficiency is high, the installation accuracy is high, and the pressing block and the photovoltaic assembly cannot slip.

Description

Briquetting for photovoltaic module, briquetting module and photovoltaic system

Technical Field

The utility model relates to the technical field of installation of photovoltaic modules, in particular to a novel pressing block for fixing a photovoltaic module, a pressing block module and a photovoltaic system.

Background

At present, most of the connection between the photovoltaic module and the support is realized through a bolt and a common pressing block, as shown in fig. 1, the photovoltaic panel is clamped in a U-shaped groove at the upper part of the watch frame 20, and the adjacent frame 20 is fixed on the support (not shown) through a pressing block 30 which is integrally U-shaped, so that the adjacent photovoltaic panel is fixed. The surface of the top of the pressing block, which is contacted with the frame 20, is the A surface, and the surface of the pressing block, which is contacted with the frame 20 in the vertical direction, is the B surface. The small-size photovoltaic module has small stress and unobvious installation problem due to the relatively small size area. However, with the rapid development of the industry, the size of the existing high-generation-power photovoltaic module is as high as 1.303m× 2.384m. Because the photovoltaic module is too big, the subassembly atress is too big, and the snow load of receiving just is too big to lead to the briquetting position fairly weak, traditional briquetting mounting means makes photovoltaic module break away from easily. In addition, the contact position is mostly the upper shed when briquetting subassembly installation, and briquetting action position receives concentrated force, and easy through frame to the subassembly glass is crushed.

In addition, the existing photovoltaic module has the following problems when installed by adopting a common pressing block: when the photovoltaic module bracket is installed, the installation unevenness of the photovoltaic module bracket causes the situation that the pressing block and the frame profile cannot reach the tight degree and even incline occurs; under the condition of bearing wind suction, the B surface of the pressing block is separated from the frame, so that the pressing block slides; the common press block mounting mode has extremely poor torsion resistance, and the frame of the photovoltaic module can be greatly distorted by naked eyes especially when being carried.

Disclosure of Invention

The utility model provides a pressing block for a photovoltaic module, namely a pressing block module and a photovoltaic system, which are used for solving the problems in the installation of the existing photovoltaic module.

According to one aspect of the present utility model, there is provided a press block for a photovoltaic module, the press block having an upper surface and a lower surface, the press block being provided with a through hole penetrating from the upper surface to the lower surface, the press block being capable of being fixed to a holder for the photovoltaic module via a fixing means penetrating the through hole, wherein the lower surface is provided with a groove in a longitudinal direction for fitting with a protrusion on an upper surface of a frame bottom of the photovoltaic module, the groove having a width 0.15 to 0.45mm larger than a width of the protrusion.

Optionally, the through hole is located at a central position of the pressing block.

Optionally, the width of the groove is 0.25-0.35mm greater than the width of the protrusion.

Optionally, two parallel grooves spaced apart from each other are formed in the lower surface of the pressing block along the length direction, and the through hole is formed between the two grooves.

Optionally, the two grooves are symmetrically disposed with respect to the through hole.

Optionally, the distance from the groove to the nearest side of the compact is 4mm to 1cm.

Optionally, the length of the pressing block is 4-6cm, the width of the pressing block is 2-3cm, and the height of the pressing block is 3-6mm.

According to another aspect of the present utility model, there is provided a press block assembly for a photovoltaic module, the press block assembly including an edge press block and a middle press block each having a rectangular parallelepiped shape integrally, the edge press block and the middle press block each having an upper surface and a lower surface, through holes penetrating from the upper surface to the lower surface being provided on the edge press block and the middle press block each, the edge press block and the middle press block each being capable of being fixed to a bracket of the photovoltaic module via fixing means penetrating through the through holes, the edge press block being provided with a groove on a lower surface side thereof in a length direction, the groove being for fitting with protrusions on a frame bottom upper surface of the photovoltaic module, the middle press block being provided with two grooves on a lower surface side thereof in a length direction, the two grooves being for fitting with protrusions on respective two frame bottom upper surfaces of an adjacent photovoltaic module, wherein a width of the grooves is 0.15 to 0.45mm larger than a width of the protrusions.

Optionally, the two grooves on the lower surface of the middle pressing block are parallel to each other and spaced apart from each other in the length direction, and the through hole is disposed between the two grooves.

According to still another aspect of the present utility model, there is provided a photovoltaic system including a plurality of photovoltaic modules, the press block modules of the present utility model and a bracket for the photovoltaic modules, grooves of the side press block are engaged with protrusions on an upper surface of a frame bottom of the photovoltaic module located at an outer side, and the photovoltaic module located at the outer side is fixed to the bracket through holes provided in the side press block, two grooves of the middle press block are engaged with protrusions on an upper surface of a frame bottom of the adjacent two photovoltaic modules located at the middle, respectively, and the adjacent two photovoltaic modules located at the middle are fixed to the bracket through the through holes provided in the middle press block, and the side press block or the middle press block is laid 2 or more in a length direction.

Compared with the prior art, the pressing block provided by the utility model is matched with the bulge on the upper surface of the bottom of the frame of the photovoltaic module through the groove on the pressing block, so that the assembly is more flat to mount, and the bearing capacity of the pressing block is greatly improved; and the installation effectiveness is high, and the installation accuracy is high, and the slippage can not take place for briquetting and photovoltaic module.

Drawings

In order to more clearly illustrate the utility model, the drawings used in the description of the technical solution will be briefly described. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model. In the drawings:

fig. 1 is a schematic diagram of a prior art photovoltaic system secured by a briquette.

FIG. 2 is a schematic view of one embodiment of an edge compact of the present utility model.

FIG. 3 is a schematic view of another embodiment of an edge compact of the present utility model.

Fig. 4 is a schematic diagram of an edge press block fixation photovoltaic system of the present utility model.

Fig. 5 is a schematic diagram of a medium voltage block fixed photovoltaic system of the present utility model.

Fig. 6 is a schematic perspective view of an edge press block fixed photovoltaic system.

Fig. 7 is a schematic perspective view of a medium voltage block fixed photovoltaic system of the present utility model.

Detailed Description

In order to better understand the technical scheme of the present utility model, the pressing block for the photovoltaic module and the pressing block module provided by the present utility model are described in detail below with reference to the accompanying drawings.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "top", "bottom", "upper", "lower", "left", "right", "inner", "outer", etc. are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, herein, are used merely for distinguishing between descriptions and not necessarily for indicating or implying a relative importance or order.

In addition, it should be noted that the features in the embodiments of the present utility model may be arbitrarily combined with each other in the case where no conflict is indicated.

One embodiment of the present utility model provides a briquette for a photovoltaic module.

Referring to fig. 2 and 3, each compact 300, 300' of the present utility model may have a generally rectangular parallelepiped shape overall, preferably an integral rectangular parallelepiped shape. The compacts 300, 300' have an upper surface 301 and a lower surface 302 which are aligned in the up-down direction in actual use. The press block 300, 300 'may be provided with a through hole 303 penetrating from the upper surface 301 to the lower surface 302, and the press block 300, 300' may be fixed to the holder 40 for the photovoltaic module via a fixing device (not shown) penetrating through the through hole 303 (see fig. 4). The fixing means may be, for example, bolts 50 which may be, for example, passed through holes 303 from top to bottom to engage corresponding screw holes in the bracket.

The lower surface 302 is provided with a recess 304 along the length L, for example, extending from the front surface of the press block to the rear surface of the press block, the recess 304 being adapted to cooperate with a protrusion 21 (shown in fig. 5) on the upper surface of the bottom of the frame 20 of the photovoltaic module. The projection 21 is a projection at or near the side edge of the bottom of the frame 20 that mates with the press block in a direction corresponding to the length L direction of the lower surface 302. The groove 304 can slide in from one end of the protrusion 21, so that the groove 304 is clamped with the protrusion 21, and the frame and the pressing block of the photovoltaic module are relatively fixed.

The frame and support of the photovoltaic module are typically made of metal, such as stainless steel materials, aluminum materials, and the like. The protrusion 21 may be a protrusion integrally formed on the frame, or may be a protrusion formed on the frame and subsequently mounted thereon. The depth of the groove 304 may be equal to or slightly greater than the height of the protrusion 21, so that the press block can be smoothly attached to the frame.

Width W of groove 304 ₁ (see FIG. 3) may be 0.15-0.45mm greater than the width of the protrusions 21, such as 0.18mm, 0.25mm, 0.3mm, 0.34mm, 0.4mm, etc. Setting the width W of the groove 304 ₁ The width of the projection 21 is 0.15-0.45mm larger than that of the projection, so that on the one hand, the groove is easy to be matched with the projection, and on the other hand, a good clamping and fixing effect is obtained.

According to the utility model, the pressing block is provided with the groove with a proper size to be matched with the protrusion on the upper surface of the bottom of the frame, so that the assembly is more smoothly installed by positioning and installation, and the bearing capacity of the pressing block is greatly improved; meanwhile, the installation efficiency is high, the installation accuracy is high, and the pressing block and the photovoltaic module are not easy to slip.

The compacts may be made of any suitable material, for example from metal, preferably stainless steel.

In one embodiment, as shown in fig. 2 and 3, the through holes 303 are located at a substantially central position of the press blocks 300, 300', so that the force to fix the photovoltaic module is more uniform and firm. Of course, the through holes may be provided at positions further to the front or further to the rear of the press block, or at positions further to the left or right. The shape of the through hole is not particularly limited, and may be, for example, a circular shape, a square shape, or the like as long as the size of the through hole is smaller than the size of the head of the bolt passing therethrough.

In a preferred embodiment, the width W of the groove 304 ₁ This range makes the fit of the groove and the protrusion more tightly secure, 0.25-0.35mm greater than the width of the protrusion.

In one embodiment, as shown in fig. 3, two parallel grooves 304 spaced apart from each other are formed in the lower surface 302 of the pressing block 300, 300' in the length direction, and the through hole 303 is disposed between the two grooves, preferably at a substantially central position between the two parallel grooves spaced apart from each other. The two parallel grooves 304 are respectively matched with corresponding two protrusions on the upper surface of the bottom of the frame 20 of the photovoltaic module to fix the photovoltaic module.

In one embodiment, two grooves 304 are symmetrically disposed with respect to the through hole 303. It is also understood that the grooves are equally sized from the center of the through hole. Such an arrangement makes it easier to mate with the protrusions and the forces between each other after the grooves and protrusions are assembled together are more uniform.

In one embodiment, the distance of the groove 304 from the nearest side edge 305 of the compact is 4mm to 1cm. This distance makes the recess of being convenient for mutually support with the arch during installation to it is more firm to photovoltaic module's fixed.

In one embodiment, compacts 300, 300' have a length L of 4-6cm, a width W of 2-3cm, and a height H of 3-6mm. The briquetting of this size range can realize effectively fixing to photovoltaic module on the basis of reducing materials and cost.

Another embodiment of the present utility model provides a press block assembly for a photovoltaic module, the press block assembly including an edge press block 300 and a middle press block 300'. The side press block 300 and the middle press block 300' are respectively formed in a rectangular parallelepiped shape as a whole. The side press 300 and the middle press 300' have upper and lower surfaces, respectively. The side press 300 and the middle press 300' are respectively provided with a through hole penetrating from the upper surface to the lower surface, the side press 300 and the middle press 300' can be respectively fixed to a bracket for the photovoltaic module via a fixing device penetrating through the through holes, the side press 300 is provided with a groove along the length direction at the lower surface side thereof, the groove is used for being matched with a protrusion on the upper surface of the bottom of the frame 20 of the photovoltaic module, the middle press 300' is provided with two grooves along the length direction at the lower surface side thereof, the two grooves are respectively used for being matched with protrusions on the upper surfaces of the bottoms of the corresponding two frames 20 of the adjacent photovoltaic modules, and the width of the grooves is 0.15-0.45mm larger than that of the protrusions.

Similarly, the above briquette assembly can obtain the advantageous effects obtained by the above briquette, and will not be described herein.

Alternatively, the two grooves on the lower surface of the middle press block 300' are parallel to each other and spaced apart from each other in the length direction, and the through hole is provided between the two grooves.

According to still another aspect of the present utility model, there is provided a photovoltaic system including a plurality of photovoltaic modules, the press block module of the present utility model, and a bracket for the photovoltaic modules, grooves of the side press block being fitted with protrusions on the upper surface of the bottom of the frame of the photovoltaic module located at the outside and fixing the photovoltaic module located at the outside to the bracket through holes provided on the side press block, two grooves of the middle press block being fitted with protrusions on the upper surface of the bottom of the frame of the adjacent two photovoltaic modules located at the middle, respectively, and fixing the adjacent two photovoltaic modules located at the middle to the bracket through holes provided on the middle press block, the side press block or the middle press block being laid 2 or more in the length direction.

Referring to fig. 4 and 6, an illustration of the mating of an edge press 300 (left press is shown) with the frame 20 of the photovoltaic module 10 is shown. The groove on one side of the lower surface of the left pressing block is pressed into the corresponding protruding position on the upper surface of the bottom of the frame 20 of the photovoltaic module, at the moment, the pressing block cannot move left and right, positioning and fixing are achieved, and then a bolt is installed on the support through a through hole by using a tool.

Referring to fig. 5 and 7, a diagram of a medium voltage block 300' mated with a frame 20 of a photovoltaic module 10 is shown. Two grooves on two sides of the lower surface of the middle pressing block are respectively pressed into two bulges 21 on the upper surfaces of the bottoms of two support frames of the photovoltaic modules on two sides, then bolts are installed on the supports through holes, and the middle pressing block is fixed.

The pressing block provided by the utility model is matched with the bulge on the upper surface of the bottom of the frame of the photovoltaic module through the groove with the proper size, so that the assembly is more smooth to mount, and the bearing capacity of the pressing block is greatly improved; and the installation effectiveness is high, and the installation accuracy is high, and the slippage can not take place for briquetting and photovoltaic module.

It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.

Claims (10)

1. A press block for a photovoltaic module, characterized in that the press block is in a rectangular parallelepiped shape as a whole, the press block has an upper surface and a lower surface, a through hole penetrating from the upper surface to the lower surface is provided on the press block, the press block can be fixed to a bracket for the photovoltaic module via a fixing device penetrating the through hole,

the photovoltaic module comprises a lower surface, a frame, a lower surface, a convex, a groove and a groove, wherein the lower surface is provided with the groove along the length direction, the groove is used for being matched with the convex on the upper surface of the bottom of the frame of the photovoltaic module, and the width of the groove is 0.15-0.45mm larger than that of the convex.

2. The briquette according to claim 1, wherein the through hole is located in a central position of the briquette.

3. The briquette according to claim 1, wherein the width of the groove is 0.25-0.35mm greater than the width of the protrusion.

4. The briquette according to claim 1, wherein two parallel grooves spaced apart from each other are formed in a lower surface of the briquette in a length direction, and the through hole is provided between the two grooves.

5. The briquette of claim 4, wherein the two grooves are symmetrically disposed with respect to the through hole.

6. A compact according to any one of claims 1 to 5, wherein the distance of the groove to the nearest side of the compact is from 4mm to 1cm.

7. The briquette according to any one of claims 1 to 5, wherein the briquette has a length of 4 to 6cm, a width of 2 to 3cm and a height of 3 to 6mm.

8. A briquette assembly for a photovoltaic module, the briquette assembly comprising an edge briquette and a middle briquette,

the side pressing block and the middle pressing block are respectively and integrally cuboid, the side pressing block and the middle pressing block are respectively provided with an upper surface and a lower surface, through holes penetrating from the upper surface to the lower surface are respectively arranged on the side pressing block and the middle pressing block, the side pressing block and the middle pressing block can be respectively fixed on a bracket for the photovoltaic module through fixing devices penetrating through the through holes,

the side pressing block is provided with a groove along the length direction at the lower surface side, the groove is used for being matched with a protrusion on the upper surface of the bottom of the frame of the photovoltaic module,

two grooves are arranged on the lower surface side of the middle pressing block along the length direction and are respectively used for being matched with the bulges on the upper surfaces of the bottoms of the corresponding two frames of the adjacent photovoltaic modules,

wherein the width of the groove is 0.15-0.45mm larger than the width of the protrusion.

9. The briquette assembly of claim 8, wherein the two grooves on the lower surface of the middle briquette are parallel to each other and spaced apart from each other in the length direction, the through-hole being disposed between the two grooves.

10. The photovoltaic system is characterized in that the photovoltaic system comprises a plurality of photovoltaic modules, the pressing block module of claim 8 or 9 and a bracket for the photovoltaic modules, the grooves of the side pressing blocks are matched with the protrusions on the upper surface of the bottom of the frame of the photovoltaic module positioned at the outer side, the photovoltaic module positioned at the outer side is fixed on the bracket through the through holes arranged on the side pressing blocks, the two grooves of the middle pressing block are respectively matched with the protrusions on the upper surface of the bottom of the frame of the adjacent two photovoltaic modules positioned at the middle, the adjacent two photovoltaic modules positioned at the middle are fixed on the bracket through the through holes arranged on the middle pressing block,

the edge pressing blocks or the middle pressing blocks are paved with more than 2 along the length direction.