CN210405195U

CN210405195U - Photovoltaic module and photovoltaic system

Info

Publication number: CN210405195U
Application number: CN201921625304.1U
Authority: CN
Inventors: 杜炜; 叶少丹; 梁晶威
Original assignee: Jz Energy Co ltd
Current assignee: Jz Energy Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-04-24
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to a photovoltaic technology field specifically discloses a photovoltaic module and photovoltaic system. The utility model discloses a photovoltaic module includes first glass, second glass and crystalline silicon battery cluster, crystalline silicon battery cluster is pasted through the EVA glue film in one side of first glass, one side that first glass was kept away from to crystalline silicon battery cluster is provided with the transition layer, the through-hole has been seted up at the middle part of transition layer, one side that crystalline silicon battery cluster was kept away from to the transition layer is pasted second glass through easy-to-draw adhesive tape layer, the injection hole has been seted up on the second glass, the mount pad has been moulded plastics to one side that the transition layer was kept away from to the second glass, the mount pad includes spacing portion, connecting portion and seat body, spacing portion is located one side that second glass is close to the transition layer, spacing portion is located the through-hole, connecting portion are moulded plastics in the injection hole, the seat body is moulded plastics and is kept away from one side of transition layer at the second glass, the size of spacing portion is greater than the, The transportation is difficult.

Description

Photovoltaic module and photovoltaic system

Technical Field

The utility model relates to a photovoltaic system technical field especially relates to a photovoltaic module and photovoltaic system.

Background

In the installation environment of the photovoltaic module, the photovoltaic module with the frame is generally selected, and the adjacent photovoltaic modules are fixed through the fixing device on the frame. Because the frame of photovoltaic module generally chooses metal frame material for use, there is the defect that frame weight is big, the material is expensive, in order to compress the cost of photovoltaic module as far as possible and alleviate photovoltaic module's weight, the demand market of frameless photovoltaic module is bigger and bigger. In the prior art, the frameless photovoltaic module has no frame, so that the frameless photovoltaic module can only be in direct contact with glass of the photovoltaic module during installation and transportation, the installation and transportation are difficult, and the direct contact with the glass also easily causes the risk of glass breakage.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide a photovoltaic module, its adoption does not have the frame design, the structure safe and reliable of injection moulding's mount pad.

Another object of the embodiment is to provide a photovoltaic system, its simple to operate, the structure is firm.

To achieve the purpose, the embodiment of the present invention adopts the following technical solutions:

the photovoltaic module comprises first glass, second glass and a crystalline silicon battery string, wherein one side of the first glass is pasted with the crystalline silicon battery string through an EVA (ethylene vinyl acetate) adhesive layer, one side, far away from the first glass, of the crystalline silicon battery string is provided with a transition layer, the middle part of the transition layer is provided with a through hole, one side, far away from the crystalline silicon battery string, of the transition layer is pasted with the second glass through an easy-to-pull adhesive tape layer, the second glass is provided with an injection molding hole, one side, far away from the transition layer, of the second glass is injected with a mounting seat, the mounting seat comprises a limiting part, a connecting part and a seat body, the limiting part is positioned on one side, close to the transition layer, of the second glass, the limiting part is positioned in the through hole, the connecting part is injected in the injection molding hole, and the seat body is injected on one side, far away from the transition, the size of the limiting portion is larger than that of the connecting portion, and a fixing structure is arranged on the seat body.

As a preferable scheme of the photovoltaic module, the outer edge of the second glass is flush with the outer edge of the transition layer, and the outer edge of the easy-to-pull adhesive tape layer is flush with the outer edge of the second glass.

As a preferable scheme of the photovoltaic module, the easy-to-pull adhesive tape layer partially extends to the hole wall of the through hole of the transition layer.

As a preferable scheme of the photovoltaic module, the transition layer is a high-damping material layer, the through hole is a square hole, the vertical distance between the hole wall of the through hole and the outer edge of the transition layer is L, and L is larger than or equal to 10mm and smaller than or equal to 15 mm.

As a preferable scheme of the photovoltaic module, the fixing structure is any one of a fixing hole, a fixing buckle and a magnet.

As a preferable scheme of the photovoltaic module, the mounting seat is made of UV-resistant and high-temperature-resistant plastic.

As a preferable scheme of the photovoltaic module, the surface of the mounting seat is sprayed with an anti-aging coating.

In a second aspect, a photovoltaic system is provided that includes the photovoltaic module, the photovoltaic module being secured to the mounting frame.

As a preferable scheme of the photovoltaic system, a buffer insulating strip is arranged between every two adjacent photovoltaic modules.

As a preferred scheme of photovoltaic system, still include the connecting seat of being connected with the mount pad, the connecting seat with the installation frame is connected.

The utility model discloses beneficial effect does:

injection moulding mount pad on the second glass who sets up the hole of moulding plastics, the mount pad includes the spacing portion that reachs the photovoltaic module inside through the hole of moulding plastics, and mould plastics at the downthehole connecting portion of moulding plastics, and mould plastics and keep away from the seat body of transition layer one side at second glass, the spacing portion of mount pad can lock on second glass and can not deviate from, and be provided with fixed knot on the seat body, thereby make photovoltaic module can be fixed through fixed knot structure, he frame that replaces traditional photovoltaic module through injection moulding's mount pad, frame heavy in the photovoltaic module of frame among the prior art has both been solved, problem with high costs, frameless photovoltaic module installation has also been solved, the problem of transportation difficulty, non-contact glass's mounting means also reduces the risk that causes glass to break. In addition, set up the through-hole at the transition layer, can make to have hollow structure between first glass and the second glass, noise and heat can't be directly by first glass transmission to the second glass on, can play the heat retaining effect that gives sound insulation.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic cross-sectional view of a photovoltaic module according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of a photovoltaic system according to an embodiment of the present invention.

Fig. 3 is a partial cross-sectional view of the photovoltaic system after assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a photovoltaic system according to an embodiment of the present invention.

In the figure:

1. a photovoltaic module; 11. a first glass; 12. a crystalline silicon cell string; 13. an EVA adhesive layer; 14. a transition layer; 141. a through hole; 15. an easy-to-pull adhesive tape layer; 16. a second glass; 161. injection molding holes;

17. a mounting seat; 171. a limiting part; 172. a connecting portion; 173. a seat body; 1731. a fixed structure;

2. a mounting frame;

3. buffering the insulating strip;

4. a connecting seat; 41. a first connecting plate; 42. a second connecting plate; 43. a third connecting plate;

5. and (4) screws.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

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, detachably 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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.

As shown in fig. 1, an embodiment of the present invention provides a photovoltaic module 1, including a first glass 11, a second glass 16 and a crystalline silicon battery string 12, wherein one side of the first glass 11 is pasted with the crystalline silicon battery string 12 through an EVA glue layer 13, one side of the crystalline silicon battery string 12 away from the first glass 11 is provided with a transition layer 14, a through hole 141 is opened in the middle of the transition layer 14, one side of the transition layer 14 away from the crystalline silicon battery string 12 is pasted with the second glass 16 through an easy-to-pull tape layer 15, an injection hole 161 is opened on the second glass 16, a mounting seat 17 is injection-molded on one side of the second glass 16 away from the transition layer 14, the mounting seat 17 includes a limiting portion 171, a connecting portion 172 and a seat body 173, the limiting portion 171 is located on one side of the second glass 16 close to the transition layer 14, meanwhile, the limiting portion 171 is located in the through hole 141, the connecting portion 172 is injection-molded in the injection hole 161, the seat, the size of the position-limiting portion 171 is larger than that of the connecting portion 172, and the seat body 173 is provided with a fixing structure 1731.

The utility model discloses photovoltaic module 1 injection moulding mount pad 17 on the second glass 16 of seting up injection hole 161, mount pad 17 includes the spacing portion 171 of arriving photovoltaic module 1 inside (also be through-hole 141) through injection hole 161, and the connecting portion 172 of moulding plastics in injection hole 161, and the seat body 173 of transition layer 14 one side is kept away from at second glass 16 to moulding plastics, spacing portion 171 of mount pad 17 can lock on second glass 16 and can not deviate from, and be provided with fixed knot on the seat body 173 and construct 1731, thereby make photovoltaic module 1 can be fixed through fixed knot construct 1731, both solved among the prior art have frame photovoltaic module frame weight big, with high costs problem, also solved frameless photovoltaic module installation, the problem of transportation difficulty, the mounting means that does not contact glass also reduces the risk that causes glass fracture.

In addition, the transition layer 14 is provided with the through hole 141, so that a hollow structure exists between the first glass 11 and the second glass 16, noise and heat cannot be directly transmitted from the first glass 11 to the second glass 16, and the effects of sound insulation and heat preservation can be achieved.

In one embodiment, the easy-to-pull adhesive tape is designed by adopting special base materials and glue, after the easy-to-pull adhesive tape is adhered, the bonding force between the inner part and the surface of the easy-to-pull adhesive tape is far greater than the cohesive force, and if the easy-to-pull adhesive tape is not pulled in a direction parallel to the second glass 16, high bonding force can be ensured for a long time, and the easy-to-pull adhesive tape has high-strength bonding force in the thickness direction and has excellent push-out resistance and shock resistance. In order to prevent the easy-to-pull adhesive tape from being pulled in a direction parallel to the second glass 16, referring to fig. 1, the installation process of the easy-to-pull adhesive tape layer 15 is that the outer edge of the second glass 16 is flush with the outer edge of the transition layer 14, and the outer edge of the easy-to-pull adhesive tape layer 15 is flush with the outer edge of the second glass 16, so that the easy-to-pull adhesive tape can ensure high adhesive force for a long time after being adhered. Meanwhile, the easy-to-pull adhesive tape can be transparent, so that the effect of not influencing the light transmission of the photovoltaic module 1 can be achieved.

When the photovoltaic module 1 is damaged, for example, the first glass 11 or the second glass 16 is broken, in one embodiment, the easy-to-pull tape layer 15 may be partially extended to the hole wall of the through hole 141 of the transition layer 14 by using a characteristic that the easy-to-pull tape can be removed without a mark, after the first glass 11 or the second glass 16 is broken, the easy-to-pull tape extending from the hole wall of the through hole 141 may be pulled, and since a bonding force between the inside and the surface of the pulled easy-to-pull tape is smaller than a cohesive force, the surface of the easy-to-pull tape is sticky, so that the easy-to-pull tape layer 15 is removed without a mark, and the broken first glass 11 or the broken second glass 16 may be separated from the photovoltaic module 1. Besides separating the broken first glass 11 or second glass 16, the easy-to-pull adhesive tape layer 15 and the first glass 11 or the easy-to-pull adhesive tape layer 15 and the second glass 16 can be further pasted so as to achieve the purpose of replacing or newly adding the first glass 11 or the second glass 16.

In order to enhance the noise reduction and sound insulation effects of the photovoltaic module 1, in an embodiment, the transition layer 14 may be a high damping material layer, and in order to facilitate processing and installation of the transition layer 14, the through hole 141 in the middle of the transition layer 14 may be a square hole, the transition layer 14 is adhered between the first glass 11 and the second glass 16 by the easy-to-pull tape layer 15, and the width of the transition layer 14, that is, the vertical distance between the hole wall of the through hole 141 and the outer edge of the transition layer 14, may be assumed to be L, and the size range of L may be 10mm or more and L or less and 15mm or less, so that when an adequate adhesion area is ensured, the weight of the photovoltaic module 1 is further reduced.

The fixing manner of the photovoltaic module 1 may be various, and in one embodiment, the fixing structure 1731 may also be various, for example, any one of a fixing hole, a fixing buckle, and a magnet, and the fixing structure 1731 shown in fig. 1 may be a concave fixing hole, such as a threaded hole, an expansion bolt hole, and the like; or a concave buckle structure of an inner concave part in the fixed buckle, and the matched fixed buckle is formed by matching with the convex buckle structure; or a built-in magnet can be matched with another magnet to fix the magnet through magnetic force.

Since the photovoltaic system needs to be exposed to a severe weather environment with wind and sun for a long time, the photovoltaic module 1 is susceptible to multiple actions of ultraviolet radiation, high temperature baking and moisture attack, and in order to protect the mounting seat 17, in one embodiment, the mounting seat 17 may be made of UV-resistant and high temperature-resistant plastic.

To further enhance the service life of the mounting seat 17, in another embodiment, the surface of the mounting seat 17 may be further coated with an anti-aging coating, such as an ultraviolet absorber, a sunlight reflecting layer, and the like.

In addition to photovoltaic module 1, the embodiment of the present invention further provides a photovoltaic system, referring to fig. 4, the photovoltaic system includes photovoltaic module 1, and photovoltaic module 1 is fixed on mounting frame 2.

In the actual assembly process of the photovoltaic system, the photovoltaic modules 1 inevitably collide with each other, and therefore, in one embodiment, referring to fig. 3, a buffering insulating strip 3 may be disposed between the adjacent photovoltaic modules 1 to reduce the collision force generated when the photovoltaic modules 1 transmit the mutual collision condition, thereby reducing the risk of damaging the photovoltaic modules 1, and simultaneously, an insulating environment may also be formed between the adjacent photovoltaic modules 1 to prevent the occurrence of a short circuit condition.

The application scenes of the photovoltaic module 1 are various in general, different application scenes can be adapted to different installation frames 2 in general, but the photovoltaic module 1 is generally set according to an optimal inclination angle for good power generation efficiency, and different installation frames 2 cannot be completely adapted to the optimal inclination angle of the photovoltaic module 1, in order to enable the photovoltaic module 1 to be adapted to different installation modes of different installation frames 2, in one embodiment, referring to fig. 2, the photovoltaic system further comprises a connection seat 4 connected with a mounting seat 17, the height of the connection seat 4 can correspond to the height required when the photovoltaic module 1 reaches the optimal inclination angle, so that the photovoltaic module 1 can be adapted to different installation frames 2 for heightening, and thus the inclination angle of the photovoltaic module 1 is adjusted.

In one embodiment, referring to fig. 2, the connecting socket 4 may include a first connecting plate 41, a second connecting plate 42 and a third connecting plate 43 which are vertically connected, wherein the first connecting plate 41 is connected with the socket body 173 by a screw 5, the first connecting plate 41 and the third connecting plate 43 are respectively disposed at two opposite sides of the second connecting plate 42, the second connecting plate 42 provides a supporting height function, and the third connecting plate 43 is connected with the mounting frame 2 by a screw 5, thereby connecting the photovoltaic module 1 with the mounting frame 2.

Further, in an embodiment, referring to fig. 3, the third connecting plate 43 may further be provided with a snap structure, so that two connection seats 4 connected in a back direction can be spliced through the snap structure on the third connecting plate 43, so that two adjacent photovoltaic modules 1 can be connected with the mounting frame 2 through the spliced connection seats 4, and the mounting area on the mounting frame 2 is maximally utilized. In this embodiment, a threaded hole may be further provided on the engagement teeth of the engagement structure for the screw 5 to be connected.

In addition, to different installation frames 2, the suitability design can also be carried out to the shape of connecting seat 4, for example, the shape of connecting seat 4 is any kind of shape of I shape, Z style of calligraphy, C style of calligraphy, figure 2 is referred to the shape of Z style of calligraphy, can be connected photovoltaic module 1 and installation frame 2 with the design of simplifying most, can choose the connecting seat 4 of different shapes when meeting with different installation scenes, like the connecting seat 4 of high bearing strength demand adaptation I shape, the connecting seat 4 of high torsional strength demand adaptation C style of calligraphy etc. do not need to describe repeatedly in this embodiment.

In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in a descriptive sense or positional relationship based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. A photovoltaic module is characterized by comprising first glass, second glass and a crystalline silicon battery string, wherein one side of the first glass is pasted with the crystalline silicon battery string through an EVA (ethylene vinyl acetate) adhesive layer, one side, far away from the first glass, of the crystalline silicon battery string is provided with a transition layer, the middle of the transition layer is provided with a through hole, one side, far away from the crystalline silicon battery string, of the transition layer is pasted with the second glass through an easy-to-pull adhesive tape layer, the second glass is provided with an injection molding hole, one side, far away from the transition layer, of the second glass is injected with a mounting seat, the mounting seat comprises a limiting part, a connecting part and a seat body, the limiting part is positioned on one side, close to the transition layer, of the second glass, the limiting part is positioned in the through hole, the connecting part is injected in the injection molding hole, and the seat body is injected on one side, far away from, the size of the limiting portion is larger than that of the connecting portion, and a fixing structure is arranged on the seat body.

2. The photovoltaic module of claim 1, wherein the outer edge of the second glass is flush with the outer edge of the transition layer, and the outer edge of the easy-open tape layer is flush with the outer edge of the second glass.

3. The photovoltaic module of claim 2, wherein the easy-open tape layer extends partially to a wall of the through hole of the transition layer.

4. The photovoltaic module according to claim 1, wherein the transition layer is a high damping material layer, the through hole is a square hole, a vertical distance between a hole wall of the through hole and an outer edge of the transition layer is L, and L is greater than or equal to 10mm and less than or equal to 15 mm.

5. The photovoltaic module of claim 1, wherein the fixing structure is any one of a fixing hole, a fixing buckle and a magnet.

6. A photovoltaic module according to any one of claims 1 to 5, wherein the mounting block is made of a UV resistant high temperature resistant plastic.

7. The photovoltaic module of any one of claims 1 to 5 wherein the surface of the mount is sprayed with an anti-aging coating.

8. Photovoltaic system, characterized in that it comprises a mounting frame and a photovoltaic module according to any one of claims 1 to 7, said photovoltaic module being fixed on said mounting frame.

9. The photovoltaic system of claim 8, wherein a buffer insulating strip is disposed between adjacent photovoltaic modules.

10. The photovoltaic system of claim 8, further comprising a connection socket connected to the mounting socket, the connection socket connected to the mounting frame.