CN210273957U

CN210273957U - Photovoltaic module capable of generating power when snowing

Info

Publication number: CN210273957U
Application number: CN201921198858.8U
Authority: CN
Inventors: 于俊; 刘勇; 朴松源; 连春元
Original assignee: Das Solar Co Ltd
Current assignee: Das Solar Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-07
Anticipated expiration: 2029-07-26

Abstract

The utility model provides a photovoltaic module that snowing can generate electricity, it has solved the lightning and has hidden rain snow day generating efficiency low, the easy snow scheduling problem in winter, its photovoltaic plywood including having solar wafer, photovoltaic plywood one side is equipped with the terminal box, the terminal box in be equipped with the circuit board that links to each other with solar wafer, just circuit board and output cable line link to each other. The utility model has the advantages of high energy conversion rate, heating and snow removal, etc.

Description

Photovoltaic module capable of generating power when snowing

Technical Field

The utility model belongs to the technical field of photovoltaic module, concretely relates to photovoltaic module that snows can generate electricity.

Background

With the progress of the technology level, the consumption of energy sources by people is increased day by day, and the traditional energy sources can not meet the use requirements of people gradually. Thanks to the development of modern energy technology, various novel energy sources are developed, wherein the photovoltaic power generation technology is widely applied, and the advantages of cleanness and easy acquisition make the photovoltaic power generation technology have good performance in commercial and civil use. However, the photovoltaic in the market at present generally has the problems that the photovoltaic is easily covered by snow in winter and the power generation efficiency is low in rainy days.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, the chinese patent document discloses an automatic snow removing device [201320714788.3] for a solar crystalline silicon photovoltaic module, wherein a heating film, a storage battery, and a controller are disposed, a photosensitive sensor for sensing light intensity in the environment is disposed below a back plate of the solar crystalline silicon photovoltaic module, and a circuit board of the controller is provided with a sensor control module for receiving an electrical signal sent by the photosensitive sensor and sending a control signal to a current detection module; the current detection module is used for detecting the current emitted by the solar crystalline silicon photovoltaic module and sending a control signal to the heating film control module; the heating film control module is used for controlling the heating film to work; and the charging module is used for charging the current emitted by the solar crystalline silicon photovoltaic module into the storage battery.

The problem that photovoltaic module is easily covered by snow in winter has been solved to a certain extent to above-mentioned scheme, but this scheme still has a lot of not enoughly, and for example overcast and rainy day generating efficiency is low, and snow removing needs extra energy consumption scheduling problem.

Disclosure of Invention

The utility model aims at the above-mentioned problem, a but photovoltaic module of snowing electricity generation that energy conversion efficiency is high is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the photovoltaic module capable of generating power when snowing comprises a photovoltaic laminated board with solar cells, wherein a junction box is arranged on one side of the photovoltaic laminated board, a circuit board connected with the solar cells is arranged in the junction box, the circuit board is connected with an output cable, the photovoltaic laminated board comprises the solar cells, a front board layer is arranged on one side of each solar cell through a first EVA layer, a back board layer is arranged on the other side, away from the first EVA layer, of each solar cell through a second EVA layer, and a friction nano layer is arranged on one side, away from the first EVA layer, of each front board layer; or the front plate layer is a friction nano composite front plate, the friction nano layer and the friction nano composite front plate are both provided with a friction nano generator, and the friction nano generator is connected with the circuit board. Through the heat energy absorbed when the solar cell piece works and irradiates, the photovoltaic module can melt accumulated snow when snowing, so that the photovoltaic module can work normally.

In the photovoltaic module capable of generating power by snowing, the front plate layer is a glass layer or a high polymer light-transmitting material layer; alternatively, the front plate layer has a glass layer or a polymer light-transmitting material layer. The glass or the high polymer light-transmitting material layer can prevent rainwater from permeating into the solar cell and does not influence the photovoltaic efficiency of the solar cell.

In the photovoltaic module capable of generating power by snowing, the junction box is arranged at the back side of the photovoltaic laminated board, and the junction box is connected with the back board layer.

In the photovoltaic module capable of generating power when snowing, the friction nano generator comprises an upper friction layer and a lower friction layer which are sequentially arranged from top to bottom, the upper friction layer and the lower friction layer are arranged at intervals or in direct contact, the upper friction layer is connected with a first electrode, the lower friction layer is connected with a second electrode, and the first electrode and the second electrode are both connected with the circuit board. When rainwater or snow and dust pass through the friction nano layer, induced charges are generated in the friction nano generator, and current is output under the action of potential.

In foretell snowing photovoltaic module that can generate electricity, the friction nano-layer includes the friction nano-generator who links to each other with the front plate layer, and the one side that the front plate layer was kept away from to the friction nano-generator is equipped with first hydrophobic layer, and first hydrophobic layer and last frictional layer link to each other. The hydrophobic layer is arranged on one side, far away from the front plate layer, of the friction nano layer, rainwater is timely discharged, and meanwhile faults caused by water inflow of the solar cell are also avoided.

In foretell snowing photovoltaic module that can generate electricity, friction nanometer composite front bezel includes the compound basic unit of making by glass layer or polymer printing opacity material layer, and friction nanometer generator adopts the compound mode to set up and keeps away from first EVA layer one side at the basic unit, and one side that first EVA layer was kept away from to friction nanometer generator is equipped with the second hydrophobic layer, and the second hydrophobic layer links to each other with last frictional layer.

In the photovoltaic module capable of generating power when snowing, the frame is arranged on the circumferential outer side of the photovoltaic laminated board, and the output cable is connected with a power grid and/or load equipment.

In the photovoltaic module capable of generating power by snowing, the thickness of the front plate layer and the thickness of the back plate layer are both larger than that of the solar cell.

Compared with the prior art, the utility model has the advantages of: the solar cell can heat and remove snow, and can generate electricity normally when snowing; when rain water or snow and dust pass through the friction nano layer, current is output under the action of potential, and the energy conversion rate is improved.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a photovoltaic laminate according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of the friction generator of the present invention;

fig. 4 is a schematic structural view of a photovoltaic laminate according to a second embodiment of the present invention;

in the figure, the photovoltaic laminated board 1, the solar cell 11, the first EVA layer 12, the front board layer 13, the second EVA layer 14, the back board layer 15, the friction nano layer 16, the friction nano composite front board 17, the friction nano generator 18, the upper friction layer 181, the lower friction layer 182, the first electrode 183, the second electrode 184, the junction box 2, the output cable 21, and the frame 3.

Detailed Description

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

Example one

As shown in fig. 1-3, the photovoltaic module capable of generating electricity when snowing includes a photovoltaic laminate 1 having a solar cell 11, a junction box 2 is disposed on one side of the photovoltaic laminate 1, a circuit board connected to the solar cell 11 is disposed in the junction box, and the circuit board is connected to an output cable 21, the photovoltaic laminate 1 includes the solar cell 11, a front board layer 13 is disposed on one side of the solar cell 11 through a first EVA layer 12, a back board layer 15 is disposed on the other side of the solar cell 11 away from the first EVA layer 12 through a second EVA layer 14, and a friction nano layer 16 is disposed on one side of the front board layer 13 away from the first EVA layer 12.

In addition, the front plate layer 13 is a glass layer or a polymer light-transmitting material layer. Alternatively, the front plate layer 13 has a glass layer or a polymer light-transmitting material layer.

Specifically, the junction box 2 is disposed on the back side of the photovoltaic laminate 1, and the junction box 2 is connected to the back sheet layer 15.

Further, the friction nano-layer 16 includes a friction nano-generator 18 connected to the front plate layer 13, and a first hydrophobic layer is disposed on a side of the friction nano-generator 18 away from the front plate layer 13, and the first hydrophobic layer is connected to the upper friction layer 181.

Preferably, the friction nanogenerator 18 comprises an upper friction layer 181 and a lower friction layer 182 which are sequentially arranged from top to bottom, the upper friction layer 181 and the lower friction layer 182 are arranged at intervals or are arranged in direct contact, the upper friction layer 181 is connected with a first electrode 183, the lower friction layer 182 is connected with a second electrode 184, and the first electrode 183 and the second electrode 184 are both connected with a circuit board.

As can be seen, the photovoltaic laminate 1 is provided with a frame 3 on the circumferential outer side, and the output cables 21 are connected to a power grid and/or load devices.

In detail, the thickness of the front plate layer 13 and the back plate layer 15 is larger than that of the solar cell 11.

Example two

As shown in fig. 4, the structure, principle and implementation steps of the present embodiment are similar to those of the present embodiment, except that the front plate layer 13 and the friction nano-layer 16 are replaced by a friction nano-composite front plate 17, and the friction nano-layer 16 and the friction nano-composite front plate 17 are both provided with a friction nano-generator 18, and the friction nano-generator 18 is connected to the circuit board.

Wherein, the friction nanometer composite front plate 17 includes the composite basic unit made by glass layer or polymer printing opacity material layer, and friction nanometer generator 18 adopts the compound mode to set up and keeps away from first EVA layer 12 one side at the basic unit, and the one side that friction nanometer generator 18 kept away from first EVA layer 12 is equipped with the second hydrophobic layer, and the second hydrophobic layer links to each other with last frictional layer 181.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the photovoltaic laminate 1, the solar cell sheet 11, the first EVA layer 12, the front sheet layer 13, the second EVA layer 14, the back sheet layer 15, the rubbed nano-layer 16, the rubbed nano-composite front sheet 17, the rubbed nano-generator 18, the upper friction layer 181, the lower friction layer 182, the first electrode 183, the second electrode 184, the junction box 2, the output cable 21, the frame 3, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A photovoltaic module capable of generating power when people snows comprises a photovoltaic laminated board (1) with solar cells (11), and is characterized in that a junction box (2) is arranged on one side of the photovoltaic laminated board (1), a circuit board connected with the solar cells (11) is arranged in the junction box, the circuit board is connected with an output cable (21), the photovoltaic laminated board (1) comprises the solar cells (11), a front board layer (13) is arranged on one side of each solar cell (11) through a first EVA layer (12), a back board layer (15) is arranged on the other side, away from the first EVA layer (12), of each solar cell (11) through a second EVA layer (14), and a friction nano layer (16) is arranged on one side, away from the first EVA layer (12), of each front board layer (13); or, the front plate layer (13) is a friction nano composite front plate (17), the friction nano layer (16) and the friction nano composite front plate (17) are both provided with a friction nano generator (18), and the friction nano generator (18) is connected with the circuit board.

2. The photovoltaic module as claimed in claim 1, wherein the front plate layer (13) is a glass layer or a high polymer light-transmitting material layer; or the front plate layer (13) is provided with a glass layer or a high polymer light-transmitting material layer.

3. A snowing electricity-generating photovoltaic module according to claim 2, characterized in that the junction box (2) is arranged on the back side of the photovoltaic laminate (1) and the junction box (2) is connected to the back sheet (15).

4. A snowing photovoltaic module capable of generating electricity according to claim 1, 2 or 3, characterized in that the triboelectric nanogenerator (18) comprises an upper friction layer (181) and a lower friction layer (182) which are sequentially arranged from top to bottom, the upper friction layer (181) and the lower friction layer (182) are arranged at intervals or in direct contact, the upper friction layer (181) is connected with a first electrode (183), the lower friction layer (182) is connected with a second electrode (184), and the first electrode (183) and the second electrode (184) are both connected with a circuit board.

5. A snowing photovoltaic module capable of generating electricity according to claim 4, characterized in that the friction nano-layer (16) comprises a friction nano-generator (18) connected with the front plate layer (13), a first hydrophobic layer is arranged on the side of the friction nano-generator (18) far away from the front plate layer (13), and the first hydrophobic layer is connected with the upper friction layer (181).

6. The photovoltaic module according to claim 4, wherein the friction nano composite front plate (17) comprises a composite base layer made of a glass layer or a high polymer light-transmitting material layer, the friction nano generator (18) is arranged on the side of the base layer far away from the first EVA layer (12) in a composite mode, a second hydrophobic layer is arranged on the side of the friction nano generator (18) far away from the first EVA layer (12), and the second hydrophobic layer is connected with the upper friction layer (181).

7. A snowing photovoltaic module for generating electricity according to claim 4, characterized in that the photovoltaic laminate (1) is provided with a frame (3) on the outer circumferential side, and the output cables (21) are connected to a power grid and/or load equipment.

8. The photovoltaic module as claimed in claim 1, wherein the thickness of the front plate layer (13) and the back plate layer (15) is larger than that of the solar cell (11).