阅读说明：本技术 光伏组件及光伏系统 (Photovoltaic module and photovoltaic system ) 是由 林庆城 叶少丹 梁晶威 于 2019-09-26 设计创作，主要内容包括：本发明涉及光伏技术领域,具体公开一种光伏组件及光伏系统。本发明的光伏组件包括第一玻璃、第二玻璃和晶体硅电池串,第一玻璃的一侧通过EVA胶层粘贴晶体硅电池串,晶体硅电池串远离第一玻璃的一侧设置有过渡层,过渡层的中部开设有通孔,过渡层远离晶体硅电池串的一侧通过粘胶层粘贴第二玻璃,第二玻璃上开设有注塑孔,第二玻璃远离过渡层的一侧注塑有安装座,安装座包括限位部、连接部和座本体,限位部位于第二玻璃靠近过渡层的一侧,限位部位于通孔内,连接部注塑在注塑孔内,座本体注塑在第二玻璃远离过渡层的一侧,限位部的尺寸大于连接部的尺寸,座本体上设置有固定结构,解决了光伏组件重量大和安装、运输困难的问题。(the invention relates to the technical field of photovoltaics, and particularly discloses a photovoltaic module and a photovoltaic system. The photovoltaic module comprises first glass, second glass and a crystalline silicon cell string, wherein the crystalline silicon cell string is adhered to one side of the first glass through an EVA (ethylene vinyl acetate) adhesive layer, a transition layer is arranged on one side of the crystalline silicon cell string, which is far away from the first glass, a through hole is formed in the middle of the transition layer, the second glass is adhered to one side of the transition layer, which is far away from the crystalline silicon cell string, through an adhesive layer, an injection molding hole is formed in the second glass, an installation seat is injection molded on one side of the second glass, which is far away from the transition layer, and comprises a limiting part, connecting portion and seat body, spacing position in second glass is close to one side of transition layer, and spacing position is in the through-hole, and connecting portion mould plastics downtheholely at moulding plastics, and the seat body is moulded plastics and is kept away from one side of transition layer at second glass, and the size of spacing portion is greater than the size of connecting portion, is provided with fixed knot on the seat body, has solved photovoltaic module weight and has installed, the difficult problem of transportation greatly.)

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) glue layer, one side of the crystalline silicon battery string, which is far away from the first glass, is provided with a transition layer, the middle part of the transition layer is provided with a through hole, one side of the transition layer, which is far away from the crystalline silicon battery string, is pasted with the second glass through a glue layer, the second glass is provided with an injection molding hole, one side of the second glass, which is far away from the transition layer, 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 of the second glass, which is close to the transition layer, 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 of, 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 adhesive layer is super glue.

3. 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.

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

5. A photovoltaic module according to any one of claims 1 to 4, wherein the mounting block is made of a UV resistant high temperature resistant plastic.

6. The photovoltaic module of any of claims 1 to 4 wherein the surface of the mount is sprayed with an anti-aging coating.

7. Photovoltaic system, characterized in that it comprises a mounting frame and a plurality of photovoltaic modules according to any one of claims 1 to 6, said photovoltaic modules being fixed to said mounting frame.

8. The photovoltaic system of claim 7, wherein a buffer insulating strip is disposed between adjacent photovoltaic modules.

9. The photovoltaic system of claim 7, further comprising a connection socket connected to the mounting socket, the connection socket connected to the mounting frame.

10. The pv system of claim 9 wherein the connecting sockets include first, second and third vertically connected connecting plates, the first connecting plate being connected to the socket body by screws, the first and third connecting plates being disposed on opposite sides of the second connecting plate, respectively, and the third connecting plate being connected to the mounting frame by screws.

Technical Field

The invention relates to the technical field of photovoltaic systems, in particular to a photovoltaic module and a 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.

Disclosure of Invention

An object of an embodiment of the present invention is to provide a photovoltaic module, which adopts a frameless design, and the injection-molded mounting seat has a safe and reliable structure.

Another object of the embodiments of the present invention is to provide a photovoltaic system, which is convenient to install and has a reliable structure.

to achieve the purpose, the embodiment of the invention adopts the following technical scheme:

The first aspect provides a photovoltaic module, which comprises first glass, second glass and a crystalline silicon battery string, wherein the crystalline silicon battery string is pasted on one side of the first glass through an EVA (ethylene vinyl acetate) glue layer, a transition layer is arranged on one side, far away from the first glass, of the crystalline silicon battery string, a through hole is formed in the middle of the transition layer, one side, far away from the crystalline silicon battery string, of the transition layer is pasted on the second glass through a glue layer, an injection molding hole is formed in the second glass, an installation seat is injection-molded on one side, far away from the transition layer, of the second glass, the installation seat comprises a limiting part, a connecting part and a seat body, the limiting part is located on one side, close to the transition layer, of the second glass, the limiting part is located in the through hole, the connecting part is injection-molded in the injection molding hole, and the seat body is injection-molded on one side, 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 preferred scheme of the photovoltaic module, the adhesive layer is a super glue.

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.

As a preferable scheme of the photovoltaic system, the connecting seat includes a first connecting plate, a second connecting plate and a third connecting plate which are vertically connected, the first connecting plate is connected to the seat body through a screw, the first connecting plate and the third connecting plate are respectively disposed on two opposite sides of the second connecting plate, and the third connecting plate is connected to the mounting frame through a screw.

The embodiment of the invention has the beneficial effects that:

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 invention is explained in more detail below with reference to the figures and examples.

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

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

Fig. 3 is an assembled partial cross-sectional view of a photovoltaic system 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 adhesive 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 solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present 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, 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.

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 a crystalline silicon battery string 12 is adhered to one side of the first glass 11 through an EVA glue layer 13, a transition layer 14 is disposed on one side of the crystalline silicon battery string 12 away from the first glass 11, a through hole 141 is disposed in the middle of the transition layer 14, a second glass 16 is adhered to one side of the transition layer 14 away from the crystalline silicon battery string 12 through a glue layer 15, an injection molding hole 161 is disposed 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 disposed on one side of the second glass 16 close to the transition layer 14, meanwhile, the limiting portion 171 is disposed in the through hole 141, the connecting portion 172 is injection molded in the injection molding hole 161, the seat body, 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.

According to the photovoltaic module 1 provided by the embodiment of the invention, the mounting seat 17 is formed on the second glass 16 provided with the injection molding hole 161 in an injection molding mode, the mounting seat 17 comprises the limiting part 171 which reaches the inside (namely the through hole 141) of the photovoltaic module 1 through the injection molding hole 161, the connecting part 172 which is injected in the injection molding hole 161, and the seat body 173 which is injected on one side, away from the transition layer 14, of the second glass 16, the limiting part 171 of the mounting seat 17 can be locked on the second glass 16 without falling off, and the seat body 173 is provided with the fixing structure 1731, so that the photovoltaic module 1 can be fixed through the fixing structure 1731, the problems of large frame weight and high cost in the frame-type photovoltaic module with the frame in the prior art are solved, the problem of difficult installation and transportation of the frame-free photovoltaic module is also solved, and the risk of glass breakage caused by the installation mode without contacting with glass is.

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 adhesive layer 15 may be a super glue, which is generally a single-component novel fully transparent solution adhesive, and the glue can be cured at room temperature, and is convenient for construction and operation, not only having the characteristic of high adhesive strength, but also having excellent water resistance, oil resistance, and acid and alkali resistance. The super glue in this embodiment both can bond transition layer 14 between first glass 11 and second glass 16, can also provide certain transmittance, uses at photovoltaic module 1 when transparent building such as sunshine room or warmhouse booth, both can carry out photovoltaic power generation, also can let sunshine pierce through in the transparent building.

In order to enhance the noise-reducing and sound-insulating 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 adhesive 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 as 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 adhering 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.

The embodiment of the invention also provides a photovoltaic system, and referring to fig. 4, the photovoltaic system includes a mounting frame 2 and a plurality of photovoltaic modules 1, and the photovoltaic modules 1 are fixed on the 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 a positional relationship based on the orientation 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 in a particular manner, and thus 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 in connection with 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 inventive effort, which would fall within the scope of the present invention.