CN215772971U - Supporting structure of photovoltaic module - Google Patents

Abstract

The utility model relates to the technical field of photovoltaics, in particular to a supporting structure of a photovoltaic module. The supporting structure of the photovoltaic module mainly comprises a base and a supporting part. The supporting part is fixedly connected with the base, and the supporting part inclines towards the center of the photovoltaic assembly, so that the lower surface of the photovoltaic assembly can be attached to the upper surface of the supporting part. When the photovoltaic module is stressed and bent to deform, the supporting structure can increase the contact area with the photovoltaic module, so that the stress of the photovoltaic module is more uniform, the phenomenon of stress concentration is avoided, the stability and the reliability of the photovoltaic module are improved, and the service life of the photovoltaic module is prolonged.

Description

Supporting structure of photovoltaic module

Technical Field

The utility model relates to the technical field of photovoltaics, in particular to a supporting structure of a photovoltaic module.

Background

With the continuous development of photovoltaic technology, a large-sized crystalline silicon cell and a photovoltaic module with low weight and flexibility per unit area are receiving more and more attention, and along with such development trend, a structure matched with a solar cell also needs to be adjusted synchronously, for example, the size of the photovoltaic module becomes larger and larger, the thickness of glass becomes thinner and thinner, the height of a frame of the photovoltaic module becomes smaller and smaller, and the like, so that the structural adjustment brings a serious problem: after the front surface of the photovoltaic module is stressed, the bending phenomenon of the photovoltaic module is more serious, and then crystal silicon batteries inside the photovoltaic module are hidden and cracked, and even the photovoltaic module is scrapped.

As shown in fig. 1-2, most of the supporting structures 200 ' in the prior art are regular rectangular parallelepiped structures, so that the photovoltaic module 100 is mounted on the supporting structure 200 ', in severe weather such as heavy rain, snow or strong wind, the front surface of the photovoltaic module 100 is easy to accumulate impurities such as rain, snow or other silt, and at this time, the front surface of the photovoltaic module 100 is subjected to a certain pressure to cause the photovoltaic module 100 to bend, and the supporting structure 200 ' can inhibit the photovoltaic module 100 from bending. As shown in fig. 3, when the supporting structure 200 'is a regular rectangular parallelepiped structure, the photovoltaic module 100 is bent under pressure to form a "bowl" shape, the contact between the "bowl" shaped photovoltaic module 100 and the supporting structure 200' can be regarded as point contact when the force is small, when the "bowl-shaped" photovoltaic module 100 is subjected to increased forces, the contact of the photovoltaic module 100 with the support structure 200' may be considered as line contact, thus, the contact area between the photovoltaic module 100 and the supporting structure 200' is small, which causes local stress unevenness, and the photovoltaic module 100 is irregularly deformed, stress concentration tends to occur at the position where the photovoltaic module 100 contacts the support structure 200', further, the structure inside the photovoltaic module 100 is damaged, which affects the power generation of the photovoltaic module 100, and may lead to the rejection of the photovoltaic module 100.

Therefore, it is desirable to design a supporting structure of a photovoltaic module to solve the above technical problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a supporting structure of a photovoltaic module, which can increase the contact area with the photovoltaic module, so that the stress of the photovoltaic module is more uniform, and the stability and the reliability of the photovoltaic module are improved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a supporting structure of a photovoltaic module, which comprises:

a base;

the supporting part is arranged at the top of the base and inclines downwards along the direction towards the central position of the photovoltaic module, so that when the photovoltaic module is bent and deformed, the lower surface of the photovoltaic module can be in surface contact with the upper surface of the supporting part.

As an alternative, the support portion includes a first inclined portion that is fixedly coupled to the base and is continuously provided along a length direction of the base, the first inclined portion being capable of surface-contacting the lower surface of the photovoltaic module when the photovoltaic module is bent and deformed.

As an alternative, the support portion further includes a second inclined portion, the second inclined portion is fixedly connected with the first inclined portion, and the first inclined portion and the second inclined portion form a first through groove.

As an alternative, the support part includes an inclined block having a third inclined part that can be in surface contact with the lower surface of the photovoltaic module when the photovoltaic module is bent and deformed.

As an alternative, the supporting portion further includes two limiting blocks, the two limiting blocks are connected to the base and symmetrically disposed on two sides of the inclined block, the height of the two limiting blocks is higher than that of the inclined block, and the photovoltaic module can be limited between the two limiting blocks.

As an alternative, the base is provided with an arc groove, the arc groove forms the supporting portion, the arc groove is inclined downward in a direction toward a central position of the photovoltaic module, and when the photovoltaic module is bent and deformed, the arc groove can be in surface contact with the lower surface of the photovoltaic module.

As an alternative, the base includes a bottom plate and a side plate, one end of the side plate is fixedly connected to the supporting portion, and the other end of the side plate is fixedly connected to the bottom plate.

As an alternative, the bottom plate and the side plate form a second through groove.

As an alternative, the support and/or the lower surface of the photovoltaic module is provided with a cushioning strip.

As an alternative, the support structure of the photovoltaic module is made of carbon steel and/or an aluminum alloy.

The utility model has the beneficial effects that: according to the supporting structure of the photovoltaic module, the supporting part can incline towards the central position of the photovoltaic module, so that after the photovoltaic module is stressed and bent, the lower surface of the photovoltaic module can be fully attached to the upper surface of the supporting part, the contact area between the photovoltaic module and the supporting structure is increased, the stress of the photovoltaic module is more uniform, the phenomenon of stress concentration is avoided, the stability and the reliability of the photovoltaic module are improved, and the service life of the photovoltaic module is prolonged.

Drawings

FIG. 1 is a schematic view of a prior art photovoltaic module (not under compression) and support structure;

FIG. 2 is an enlarged view of a portion I of FIG. 1;

FIG. 3 is a schematic view of a prior art photovoltaic module (when under compression) and support structure;

fig. 4 is a schematic structural view of a photovoltaic module and a support structure provided in the first embodiment of the present invention;

FIG. 5 is a partial enlarged view of II in FIG. 4;

fig. 6 is a schematic structural view of a photovoltaic module and a support structure provided in a second embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a supporting structure provided in the second embodiment of the present invention;

fig. 8 is a schematic structural diagram of a support structure provided in the third embodiment of the present invention.

Reference numerals:

100-a photovoltaic module;

200-a support structure; 300-a base; 310-a backplane; 320-side plate; 330-a second through slot;

400-a support part; 410-a first inclined portion; 420-a second inclined portion; 430-a first through slot; 440-an inclined block;

441-a third inclined portion; 450-a stop block; 460-arc groove.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Example one

The stress concentration phenomenon of the photovoltaic module is caused due to the fact that the photovoltaic module is stressed unevenly when the photovoltaic module in the prior art is stressed, bent and deformed. As shown in fig. 4 and 5, the present invention provides a support structure 200 of a photovoltaic module 100, the support structure 200 can be used for supporting the photovoltaic module 100 such as a single-glass module (front surface is made of tempered glass, and front surface is exposed to light), a dual-glass module (both surfaces are made of tempered glass, and both surfaces are exposed to light), and the support structure 200 mainly includes a base 300 and a support 400. Wherein, the supporting portion 400 is fixedly connected to the base 300, and the supporting portion 400 is inclined toward the center of the photovoltaic module 100. Preferably, the present embodiment provides two support structures 200, the photovoltaic module 100 is placed on the two support structures 200, and the two support structures 200 are symmetrically arranged about the axis of the photovoltaic module 100. Therefore, the cost can be saved, and the processing and mounting procedures can be reduced; meanwhile, when the photovoltaic module 100 is a dual-glass module, the shading of the supporting structure 200 to the back of the photovoltaic module 100 can be reduced, and the light receiving area of the photovoltaic module 100 is further improved, so that the power generation efficiency of the photovoltaic module 100 is improved.

Further, the upper surface of base 300 is provided with the inclined plane, this inclined plane inclines towards photovoltaic module 100, supporting part 400 is connected with the upper surface fixed of base through the form of welding or gluing, that is to say, the outside height of two bases 300 is higher than the inboard height, make two supporting parts 400 all incline to the inboard like this, when photovoltaic module 100 atress, photovoltaic module 100 can take place the bending deformation to the inboard, the lower surface of photovoltaic module 100 after the bending deformation like this can laminate with the supporting part 400 of inboard slope, and then increase the area of contact of photovoltaic module 100 and supporting part 400, make photovoltaic module 100 atress more even, avoid appearing stress concentration's phenomenon. The user can be according to photovoltaic module 100's atress condition, adjust the distance between two bearing structure 200, and then makes photovoltaic module 100's after the atress lower surface can fully laminate with the supporting part 400 on bearing structure 200, improves the homogeneity of photovoltaic module 100 atress.

In the present embodiment, the material of the supporting structure 200 is an aluminum alloy, and the supporting structure 200 is processed by welding or integral molding, and it should be noted that any processing method capable of ensuring the strength of the supporting structure 200 is within the scope of the present application. Meanwhile, the supporting structure 200 may also be made of other metal materials, such as carbon steel, copper alloy, etc.

Compared with the prior art, the supporting part 400 of the supporting structure 200 provided by the utility model can incline towards the central position of the photovoltaic module 100, so that after the photovoltaic module 100 is stressed and bent, the lower surface of the photovoltaic module 100 can be fully attached to the upper surface of the supporting part 400, the contact area between the photovoltaic module 100 and the supporting structure 200 is further increased, the stress of the photovoltaic module 100 is more uniform, the phenomenon of stress concentration is avoided, the stability and reliability of the photovoltaic module 100 are improved, and the service life of the photovoltaic module 100 is prolonged.

As shown in fig. 4 to 5, the supporting portion 400 provided in the present embodiment includes a first inclined portion 410 and a second inclined portion 420, the first inclined portion 410 is fixedly connected to the base 300, the first inclined portion 410 can be attached to the lower surface of the photovoltaic module 100, the second inclined portion 420 is fixedly connected to the lower surface of the first inclined portion 410, a first through groove 430 is provided between the first inclined portion 410 and the second inclined portion 420, and the first through groove 430 is connected to the photovoltaic structure frame.

Further, the first inclined portions 410 are two, the second inclined portions 420 are respectively connected between the two first inclined portions 410, and the second inclined portions 420 are arranged below the first inclined portions 410, so that the stability of the first inclined portions 410 is improved, deformation of the first inclined portions 410 when stressed is avoided, meanwhile, the first through grooves 430 are formed between the first inclined portions 410 and the second inclined portions 420 through the connecting mode, and therefore the supporting structure 200 and an external photovoltaic structure frame are connected through the first through grooves 430, and the stability of the photovoltaic module 100 is further improved.

Furthermore, as shown in fig. 5, the area of the upper surface of the first inclined part 410 is larger than that of the upper surface of the second inclined part 420, so that when the photovoltaic module 100 is deformed by a force, the contact area between the lower surface of the photovoltaic module 100 and the first inclined part 410 can be increased, the stress condition of the photovoltaic module 100 is improved, and the stress uniformity of the photovoltaic module 100 is improved.

Preferably, in the present embodiment, the supporting portion 400 and the lower surface of the photovoltaic module 100 are provided with a buffering rubber strip (not shown in the figure). Specifically, the user may only set the cushion rubber strip on the support portion 400, may also only set the cushion rubber strip on the lower surface of the photovoltaic module 100, and of course, may also set the cushion rubber strip on both the support portion 400 and the lower surface of the photovoltaic module 100. Like this when photovoltaic module 100 atress bending deformation, photovoltaic module 100 can contact and extrude with the buffering adhesive tape, makes the buffering adhesive tape take place deformation to reduce photovoltaic module 100 and bearing structure 200's rigid contact, improve photovoltaic module 100's atress homogeneity. For example, the buffering rubber strip can be made of flexible materials such as silica gel and sponge.

As shown in fig. 4-5, in the present embodiment, the base 300 includes a bottom plate 310 and a side plate 320, one end of the side plate 320 is fixed to the supporting portion 400, and the other end is fixed to the bottom plate 310. A second through groove 330 is arranged between the bottom plate 310 and the side plate 320, and the second through groove 330 is connected with the photovoltaic structure frame.

Preferably, in order to improve the stability of the supporting structure 200, the embodiment sets up two side plates 320, and two side plates 320 correspond respectively and are connected in the lower surface of two first slopes 410, and the other end of two sides is connected in the bottom plate 310, so that the supporting structure 200 forms a cavity, is favorable to reducing the weight of the supporting structure 200, makes the supporting structure 200 lighter, and then is convenient for process and installation, practices thrift the consumptive material simultaneously, saves the cost. Be provided with second through groove 330 between two curb plates 320 and bottom plate 310, pass through second through groove 330 and be connected with outside photovoltaic structure frame like this to further improve photovoltaic module 100 and bearing structure 200's stability, avoid when photovoltaic module 100 atress, bearing structure 200 takes place the risk of rocking.

Example two

As shown in fig. 6 to 7, the present embodiment provides a support structure 200 of a photovoltaic module 100, which is different from the first embodiment in that a support portion 400 of the support structure 200 of the present embodiment includes an inclined block 440 and a stop block 450 disposed at two sides of the inclined block 440, and both the inclined block 440 and the stop block 450 are connected to a base 300. Further, the inclined block 440 includes a third inclined portion 441, the third inclined portion 441 can be attached to the lower surface of the photovoltaic module 100, the limiting blocks 450 are symmetrically disposed on two sides of the inclined block 440, and the height of the limiting blocks 450 is higher than that of the inclined block 440.

Illustratively, when the photovoltaic module 100 is deformed by pressure, the lower surface of the photovoltaic module 100 contacts and adheres to the third inclined part 441 of the inclined block 440, and the third inclined part 441 is arranged to facilitate increasing the contact area between the photovoltaic module 100 and the inclined block 440, so that when the photovoltaic module 100 is subjected to pressure, the pressure can be gently transmitted to the inclined block 440 through the photovoltaic module 100 and then transmitted to the base 300, so that the stress on the photovoltaic module 100 is more uniform, and the stability of the photovoltaic module 100 is improved. Illustratively, the third inclined portion 441 may also be configured as a curved surface having a certain curvature, and the curved surface is inclined toward the center of the photovoltaic module 100, so that when the photovoltaic module 100 is stressed and bent, the lower surface of the photovoltaic module 100 can effectively adhere to the curved surface, and uneven stress on the photovoltaic module 100 due to a gap is avoided. It should be noted that the curvature of the curved surface is slightly larger than the curvature of the lower surface of the photovoltaic module 100 after bending, which is beneficial to completely attaching the curved surface to the lower surface of the photovoltaic module 100, and avoids generating a gap, which leads to a stress concentration phenomenon of the photovoltaic module 100.

Preferably, as shown in fig. 7, two limiting blocks 450 are provided in this embodiment, and the two limiting blocks 450 are symmetrically disposed about the inclined block 440, and since the height of the limiting block 450 is greater than the height of the inclined block 440, when the photovoltaic module 100 is placed on the inclined block 440, the two limiting blocks 450 can perform a certain limiting function on the photovoltaic module 100, so as to prevent the photovoltaic module 100 from sliding off the supporting structure 200 when being subjected to external pressure, thereby improving the stability and reliability of the photovoltaic module 100. The rest of the structure in this embodiment is the same as that in the first embodiment, and will not be described herein again.

EXAMPLE III

As shown in fig. 8, the present embodiment provides a supporting structure 200 of a photovoltaic module 100, the supporting structure 200 is different from the first embodiment in that the supporting structure 200 is provided with an arc groove 460, and the arc groove 460 can be attached to the lower surface of the photovoltaic module 100. Further, the circular arc groove 460 is inclined toward the center position of the photovoltaic module 100.

Preferably, the arc groove 460 is disposed in the middle of the supporting structure 200, so that the gravity of the photovoltaic module 100 is uniformly distributed on the supporting structure 200, the unstable shaking of the photovoltaic module 100 on the supporting structure 200 is avoided, and the stability of the photovoltaic module 100 is improved. The arc groove 460 of this embodiment inclines towards the central position of the photovoltaic module 100, so that when the photovoltaic module 100 is stressed and bent, the lower surface can be completely attached to the arc groove 460, the contact area between the photovoltaic module 100 and the arc groove 460 is increased, and then a gap can be avoided, and the stability of the photovoltaic module 100 is improved.

Exemplarily, the curvature of the curved surface of the arc groove 460 is slightly larger than the curvature of the curved lower surface of the photovoltaic module 100, so that the generation of gaps when the photovoltaic module 100 contacts the arc groove 460 can be effectively reduced, and then part of the lower surface of the photovoltaic module 100 after being deformed by pressure can be coated by the arc groove 460, thereby increasing the contact area between the photovoltaic module 100 and the arc groove 460, further improving the stress condition of the photovoltaic module 100, making the stress more uniform, and further avoiding the phenomenon of stress concentration. The rest of the structure of this embodiment is the same as that of the first embodiment, and will not be described herein again.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims (10)

1. A support structure (200) of a photovoltaic module (100), characterized in that the support structure (200) of the photovoltaic module (100) comprises:

a base (300);

a support part (400), the support part (400) being disposed on the top of the base (300), the support part (400) being inclined downward in a direction toward a central position of the photovoltaic module (100) so that a lower surface of the photovoltaic module (100) can be in surface contact with an upper surface of the support part (400) when the photovoltaic module (100) is bent and deformed.

2. The support structure (200) of a photovoltaic module (100) according to claim 1, wherein the support portion (400) comprises a first inclined portion (410), the first inclined portion (410) is fixedly connected with the base (300), and the first inclined portion (410) is continuously disposed along a length direction of the base (300), and when the photovoltaic module (100) is bent and deformed, the first inclined portion (410) can be in surface contact with the lower surface of the photovoltaic module (100).

3. The support structure (200) of a photovoltaic module (100) according to claim 2, wherein the support portion (400) further comprises a second inclined portion (420), the second inclined portion (420) is affixed to the first inclined portion (410), and the first inclined portion (410) and the second inclined portion (420) form a first through slot (430).

4. The support structure (200) of a photovoltaic module (100) according to claim 1, wherein the support part (400) comprises an inclined block (440) having a third inclined part (441), the third inclined part (441) being capable of being in surface contact with the lower surface of the photovoltaic module (100) when the photovoltaic module (100) is bent and deformed.

5. The support structure (200) of a photovoltaic module (100) according to claim 4, wherein the support portion (400) further comprises a stopper (450), the stopper (450) is connected to the base (300), two stoppers (450) are symmetrically disposed on both sides of the inclined block (440), the height of the stopper (450) is higher than the height of the inclined block (440), and the photovoltaic module (100) can be limited between the two stoppers (450).

6. The supporting structure (200) of a photovoltaic module (100) according to claim 1, wherein the base (300) is provided with an arc groove (460), the arc groove (460) forms the supporting portion (400), the arc groove (460) is inclined downward in a direction toward a central position of the photovoltaic module (100), and when the photovoltaic module (100) is bent and deformed, the arc groove (460) can be in surface contact with the lower surface of the photovoltaic module (100).

7. The support structure (200) of a photovoltaic module (100) according to claim 1, wherein the base (300) comprises a bottom plate (310) and a side plate (320), one end of the side plate (320) is fixedly connected to the support portion (400) and the other end is fixedly connected to the bottom plate (310).

8. The support structure (200) of a photovoltaic module (100) according to claim 7, wherein the bottom plate (310) and the side plate (320) form a second through slot (330).

9. Support structure (200) of a photovoltaic module (100) according to any of claims 1 to 8, characterized in that the support (400) and/or the lower surface of the photovoltaic module (100) is provided with a cushioning strip.

10. The support structure (200) of a photovoltaic module (100) according to any of claims 1 to 8, wherein the support structure (200) of the photovoltaic module (100) is made of carbon steel and/or an aluminum alloy.

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