CN220233212U

CN220233212U - Self-heating solar panel assembly

Info

Publication number: CN220233212U
Application number: CN202321837952.XU
Authority: CN
Inventors: 刘水庆; 梁诗伟
Original assignee: DONGGUAN XINGHUO SOLAR ENERGY TECHNOLOGY CO LTD
Current assignee: DONGGUAN XINGHUO SOLAR ENERGY TECHNOLOGY CO LTD
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2023-12-22
Anticipated expiration: 2033-07-12

Abstract

The utility model provides a self-heating solar panel assembly, which comprises a mounting structure, a substrate and a plurality of solar panels, wherein an encapsulation film layer is arranged on the substrate and covers the solar panels, a TPT (thermal plastic-thermal) photovoltaic backboard is arranged on the encapsulation film layer, a heating module is arranged between the encapsulation film layer and the TPT photovoltaic backboard and is electrically connected with the solar panels, the heating module comprises a plurality of heating sheets which are arranged in parallel, a base layer is arranged on the upper surface and the lower surface of the heating sheet, a plurality of pits are arranged on the surface of the base layer, a first bonding layer is arranged between the base layer and the encapsulation film layer and between the base layer and the TPT photovoltaic backboard, the pits are bonded with the first bonding layer, and a second bonding layer is arranged between any two adjacent heating sheets; according to the utility model, the packaging film layer is directly bonded with the TPT photovoltaic backboard through the second bonding layer, the contact area between the first bonding layer and the base layer can be increased by the pits, and the bonding effect of the base layer, the packaging film layer and the TPT photovoltaic backboard through the first bonding layer is better by the pits.

Description

Self-heating solar panel assembly

Technical Field

The utility model relates to the technical field of solar panels, in particular to a self-heating solar panel assembly.

Background

With the popularization of photovoltaic technology, more families can use solar panels to generate electricity, and especially in the north with long sunlight irradiation time, the application range is wider. But the northern winter snow fall of different degrees, when snow is accumulated to a certain degree and can not be melted in time, the solar panel power generation can be affected, and the outdoor facilities can be crushed due to excessive snow.

Therefore, the solar panel with the self-heating plate is designed to solve the problems, the common solar panel comprises toughened glass, a solar panel, a packaging film layer and a photovoltaic backboard which are sequentially arranged, and the solar panel further comprises a mounting structure, wherein the heat-generating plate is integrally arranged between the packaging film layer and the photovoltaic backboard, electric energy is supplied to the heat-generating plate through the solar panel, the heat-generating plate generates heat and transfers heat to the mounting structure and the toughened glass, snow is melted by the mounting structure and the toughened glass, the snow melting area is increased, the heat-generating plate is prevented from being directly contacted with air, and the snow melting effect is effectively improved.

However, in the current design, the heating plate is integrally packaged between the packaging film layer and the photovoltaic backboard, and after long-time use, the packaging film layers and the photovoltaic backboard on the upper layer and the lower layer of the whole heating plate are separated from each other or warp, so that the bonding degree between the whole heating plate and the packaging film layers and the photovoltaic backboard on the upper layer and the lower layer is poor, and the heat transfer and snow melting effect are affected.

Disclosure of Invention

The main object of the present utility model is to overcome the above drawbacks and disadvantages of the prior art and to provide a self-heating solar panel assembly.

The utility model provides a self-heating solar panel subassembly, is including mounting structure, base plate and a plurality of solar panel of installing on the base plate, mounting structure comprises a plurality of mount pad concatenation, the base plate is installed a plurality of between the mount pad, be equipped with the encapsulation rete on the base plate, the encapsulation rete covers solar panel, be equipped with TPT photovoltaic backplate on the encapsulation rete, the encapsulation rete with be equipped with the module that generates heat between the TPT photovoltaic backplate, the module that generates heat with electric connection between the solar panel, the module that generates heat includes a plurality of parallelly connected heating pieces that set up, the upper and lower both sides of piece that generates heat are equipped with the basic unit, the surface of basic unit is equipped with a plurality of pits, between the basic unit with between the encapsulation rete the basic unit with be equipped with first adhesive layer between the TPT photovoltaic backplate, the pit with first adhesive layer laminating, arbitrary two adjacent the clearance between the piece that generates heat is equipped with the second adhesive layer.

In one embodiment, the gap between any two adjacent heat generating fins is greater than the width of the heat generating fins.

In an implementation manner of one embodiment, the material of the base layer is PC, and the material of the heating sheet is graphene.

In one embodiment, the upper and lower ends of the plurality of heat-generating sheets are respectively connected through conductive sheets, the base layer is formed by bonding and rolling the conductive sheets and the heat-generating sheets, and then gaps between the heat-generating sheets are cut through a cutting device.

In one embodiment, the conductive sheet is provided with holes for connecting wires.

In one embodiment, a temperature protection switch is connected between the hole site and the wire.

In one embodiment, the base layer has a thickness of no greater than 0.2mm.

In an implementation of one embodiment, the packaging film layer is an EVA film layer.

In an implementation of one of the embodiments, the pits have a diameter of 10nm to 500nm.

The self-heating solar panel assembly has the beneficial effects that: the heating module is designed into the plurality of heating sheets which are arranged in parallel, the second bonding layer is arranged in the gap between any two adjacent heating sheets after the heating module is packaged, and the packaging film layer and the TPT photovoltaic backboard are directly bonded through the second bonding layer, so that the defect of poor bonding effect caused by the fact that the packaging film layer and the TPT photovoltaic backboard are separated by the whole heating plate in the prior art is avoided; meanwhile, the base layer is arranged on the upper surface and the lower surface of the heating sheet, the surface of the base layer is provided with a plurality of pits, the pits can increase the contact area between the first bonding layer and the base layer, and the pits enable the bonding effect of the base layer through the first bonding layer, the packaging film layer and the TPT photovoltaic backboard to be better.

Drawings

FIG. 1 is a schematic view of a self-heating solar panel assembly according to the present utility model;

FIG. 2 is a cross-sectional view of the self-heating solar panel assembly of the present utility model of FIG. 1;

FIG. 3 is an enlarged schematic view of the self-heating solar panel assembly of FIG. 2;

FIG. 4 is a schematic view of the heat generating module of the self-heating solar panel assembly of FIG. 1;

FIG. 5 is a schematic view of a portion of the self-heating solar panel assembly of FIG. 2;

fig. 6 is a schematic view of a portion of the self-heating solar panel assembly of fig. 2.

Fig. 7 is a schematic structural diagram of a heat generating module in a second embodiment of a self-heating solar panel assembly according to the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The utility model provides a self-heating solar panel assembly, which comprises a mounting structure, a substrate and a plurality of solar panels arranged on the substrate, wherein the mounting structure is formed by splicing a plurality of mounting seats, the substrate is arranged among the plurality of mounting seats, a packaging film layer is arranged on the substrate and covers the solar panels, a TPT photovoltaic backboard is arranged on the packaging film layer, a heating module is arranged between the packaging film layer and the TPT photovoltaic backboard and is electrically connected with the solar panels, the heating module comprises a plurality of heating sheets which are arranged in parallel, base layers are arranged on the upper surface and the lower surface of each heating sheet, a plurality of pits are arranged on the surfaces of the base layers, a first bonding layer is arranged between the base layers and the TPT photovoltaic backboard, the pits are bonded with the first bonding layer, and a second bonding layer is arranged between any two adjacent heating sheets.

According to the utility model, the heating module is designed into the plurality of heating sheets which are arranged in parallel, the second bonding layer is arranged in the gap between any two adjacent heating sheets after the heating module is packaged, and the packaging film layer and the TPT photovoltaic backboard are directly bonded through the second bonding layer, so that the defect of poor bonding effect caused by separating the packaging film layer and the TPT photovoltaic backboard by the whole heating plate in the prior art is avoided; meanwhile, the base layer is arranged on the upper surface and the lower surface of the heating sheet, the surface of the base layer is provided with a plurality of pits, the pits can increase the contact area between the first bonding layer and the base layer, and the pits enable the bonding effect of the base layer through the first bonding layer, the packaging film layer and the TPT photovoltaic backboard to be better.

Example 1

Referring to fig. 1 to 6, the present utility model provides a self-heating solar panel assembly, which includes a mounting structure 1, a substrate 2, and a plurality of solar panels 3 mounted on the substrate 2, wherein the substrate 2 is a glass substrate. The mounting structure 1 is formed by splicing a plurality of mounting seats 11, generally comprises four mounting seats 11, forms a rectangular or square frame, and the substrate 2 is arranged among the plurality of mounting seats 11. In this embodiment, the mounting base 11 includes a heat dissipation plate 111, a first clamping plate 112 and a second clamping plate 113 sequentially disposed at an upper end of the heat dissipation plate 111, and the substrate 2 is disposed between the first clamping plate 112 and the second clamping plate 113.

More specifically, referring to fig. 3 and 6, an encapsulation film layer 4 is disposed on the substrate 2, the encapsulation film layer 4 covers the solar panel 3, a TPT photovoltaic back plate 5 is disposed on the encapsulation film layer 4, and a heating module 6 is disposed between the encapsulation film layer 4 and the TPT photovoltaic back plate 5, and the heating module 6 is electrically connected with the solar panel 3. Wherein the packaging film layer 4 is an EVA film layer. The substrate 2 provided with the solar panel 3, the packaging film layer 4, the TPT photovoltaic backboard 5 and the heating module 6 is arranged between the first clamping plate 112 and the second clamping plate 113, the substrate 2 is attached to the first clamping plate 112, and the TPT photovoltaic backboard 5 is attached to the second clamping plate 113.

More specifically, referring to fig. 6, the heat generating module 6 includes a plurality of heat generating fins 61 arranged in parallel, a base layer 62 is disposed on the upper and lower surfaces of the heat generating fins 61, a plurality of pits (not shown) are disposed on the surface of the base layer 62, a first adhesive layer 63 is disposed between the base layer 62 and the packaging film layer 4, and between the base layer 62 and the TPT photovoltaic back panel 5, the pits are attached to the first adhesive layer 63, and a second adhesive layer 64 is disposed between any two adjacent heat generating fins 61. Wherein, the material of basic unit 62 is fire-retardant material, and preferably, the material of basic unit 62 is PC, and the PC can set up the pit of variation in size more easily on the surface, and the material of piece 61 that generates heat selects graphene, has higher heating efficiency, and has good flame retardant efficiency. The materials of the base layer 62 and the heat generating sheet 61 are not limited to those mentioned in the present embodiment, and other choices are also possible, which are all within the scope of the present utility model. Meanwhile, in order to reduce the thickness of the solar panel assembly and ensure that the heat generating sheet 61 has a sufficient thickness to enhance heat generating efficiency, the thickness of the base layer 62 is not more than 0.2mm. The diameter of the pit is 10nm-500nm, and the sizes are not required to be consistent.

According to the utility model, the heating module 6 is designed into the plurality of heating sheets 61 which are arranged in parallel, the second bonding layer 64 is arranged in the gap between any two adjacent heating sheets 61 after the heating module 6 is packaged, and the packaging film layer 4 and the TPT photovoltaic backboard 5 are directly bonded through the second bonding layer 64, so that the defect of poor bonding effect caused by separating the packaging film layer from the TPT photovoltaic backboard by a whole heating plate in the prior art is avoided; meanwhile, the base layer 62 is arranged on the upper surface and the lower surface of the heating sheet 61, a plurality of pits are arranged on the surface of the base layer 62, the pits can enlarge the contact area between the first bonding layer 63 and the base layer 62, and the pits enable the bonding effect of the base layer 62 and the packaging film layer 4 and the TPT photovoltaic backboard 5 to be better through the first bonding layer 63.

More specifically, referring to fig. 4, the gap between any two adjacent heat generating fins 61 is larger than the width of the heat generating fins 61. Preferably, the aspect ratio of the heat generating sheet 61 is not less than 40:1. the heating sheet 61 is suitable for different voltage values between 110V and 220V, and the surface temperature resistant range of the heating sheet 61 is between-40 ℃ and 150 ℃.

More specifically, referring to fig. 4, the upper and lower ends of the plurality of heat generating sheets 61 are respectively connected by the conductive sheet 7, the conductive sheet 7 and the heat generating sheets 61 are formed by bonding roll forming by covering the upper and lower base layers 62, and then the gap between the heat generating sheets 61 is cut by a cutting apparatus. The conductive sheet 7 is provided with holes 71 for connecting the leads 8. Since the heat generating sheet 61 itself does not have a high-temperature power-off protection function, a temperature protection switch needs to be connected in series to the wire 8 connected to the power source, and thus a temperature protection switch (not shown) is connected between the hole site 71 and the wire 8. When the temperature protection switch is turned off, the temperature rise of the heat generating plate 61 is blocked.

Example two

Referring to fig. 7, the present utility model provides a self-heating solar panel assembly, which has a structure substantially the same as that of the first embodiment, and is characterized in that the left and right ends of a plurality of heating plates 61 are respectively connected by conductive plates 7, the upper ends of the heating plates 61 are parallel to each other and provided with conductive plates 7 connected with the left and right conductive plates 7, holes 71 for connecting wires 8 are provided on the conductive plates 7 parallel to the upper ends of the heating plates 61, the upper and lower base layers 62 are used for covering the conductive plates 7 and the heating plates 61, the bonding and rolling molding are performed, and then a gap between the heating plates 61 is cut by a cutting device. A temperature protection switch (not shown) is connected between the hole site 71 and the wire 8.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a self-heating solar panel subassembly, its characterized in that is in including mounting structure, base plate and a plurality of solar panel of installing on the base plate, mounting structure comprises a plurality of mount pad concatenation, the base plate is installed a plurality of between the mount pad, be equipped with the encapsulation rete on the base plate, the encapsulation rete covers solar panel, be equipped with TPT photovoltaic backplate on the encapsulation rete, the encapsulation rete with be equipped with the module that generates heat between the TPT photovoltaic backplate, the module that generates heat with electric connection between the solar panel, the module that generates heat includes a plurality of parallelly connected heating pieces that set up, the upper and lower both sides of heating piece are equipped with the basic unit, the surface of basic unit is equipped with a plurality of pits, between the basic unit with between the encapsulation rete the basic unit with be equipped with first adhesive linkage between the TPT photovoltaic backplate, the pit with first adhesive linkage laminating, arbitrary two adjacent the clearance between the heating piece is equipped with the second adhesive linkage.

2. A self-heating solar panel assembly as defined in claim 1, wherein: the gap between any two adjacent heating sheets is larger than the width of the heating sheets.

3. A self-heating solar panel assembly as defined in claim 1, wherein: the material of basic unit is PC, the material of piece that generates heat is graphite alkene.

4. A self-heating solar panel assembly as defined in claim 1, wherein: the upper ends and the lower ends of the heating sheets are respectively connected through the conductive sheets, the base layer is formed by bonding and rolling the conductive sheets and the heating sheets, and then gaps among the heating sheets are cut out through cutting equipment.

5. A self-heating solar panel assembly as defined in claim 4, wherein: and the conducting strip is provided with a hole site for connecting a wire.

6. A self-heating solar panel assembly as defined in claim 5, wherein: and a temperature protection switch is connected between the hole site and the lead.

7. A self-heating solar panel assembly as defined in claim 1, wherein: the thickness of the base layer is not more than 0.2mm.

8. A self-heating solar panel assembly as defined in claim 1, wherein: the packaging film layer is an EVA adhesive film layer.

9. A self-heating solar panel assembly as defined in claim 1, wherein: the diameter of the pit is 10nm-500nm.