CN210040216U - Solar cell module and monitoring device - Google Patents
Solar cell module and monitoring device Download PDFInfo
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- CN210040216U CN210040216U CN201920596218.6U CN201920596218U CN210040216U CN 210040216 U CN210040216 U CN 210040216U CN 201920596218 U CN201920596218 U CN 201920596218U CN 210040216 U CN210040216 U CN 210040216U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The utility model discloses a solar module and monitoring devices belongs to solar energy power generation technical field. The solar cell module includes: the solar cell module comprises a back plate, a solar cell chip layer and a front packaging film layer, wherein the solar cell chip layer and the front packaging film layer are arranged on the back plate, the solar cell chip layer comprises one or more solar cell chips, the solar cell module further comprises a heating sheet, the heating sheet is used for heating an illuminated surface of the solar cell module, and the heating sheet is arranged between the back plate and the front packaging film layer. The utility model discloses a solar module is through setting up the piece that generates heat in the front between encapsulation rete and the backplate, when ice sheet or snow layer appear in solar module's sensitive surface, the heat conduction that the piece that generates heat gived off makes snow layer or ice layer melt to solar module's sensitive surface, and then guarantees the luminousness on solar module top layer for solar module can normally generate electricity in the lower environment of temperature.
Description
Technical Field
The utility model relates to a solar energy power generation technical field especially relates to a solar module and monitoring devices.
Background
Ocean buoys are used for marine environmental monitoring and need to be used for a long time under marine environmental conditions. The energy source of the traditional ocean buoy is a storage battery generally, and the storage battery needs to be detached regularly for charging so as to maintain normal work, thus bringing inconvenience to use and maintenance. The problem is solved by adding a solar cell module on the ocean buoy to continuously charge the storage battery. However, in an ocean area with a low ambient temperature (especially in an ocean area in a north polar circle), the surface of the solar cell module is easy to freeze to form an ice layer due to rain, snow, water vapor and the like, and the ice layer can reduce the light transmittance of the surface layer of the solar cell module, so that the generated energy of the solar cell module is reduced, and even no power is generated.
Disclosure of Invention
In order to solve the technical problem, the embodiment of the utility model provides a solar module and monitoring devices for there is ice and snow and leads to the problem that solar module generated energy reduces on the solar module surface in the lower environment of ambient temperature to solve.
On the one hand, the embodiment of the utility model provides a solar module, include: the solar cell module comprises a back plate, a solar cell chip layer and a front packaging film layer, wherein the solar cell chip layer and the front packaging film layer are arranged on the back plate, and the solar cell chip layer comprises one or more solar cell chips;
the solar cell module further comprises a heating sheet, the heating sheet is used for heating the light receiving surface of the solar cell module, and the heating sheet is arranged between the front packaging film layer and the back plate.
The utility model discloses solar module is through setting up the piece that generates heat in the front between encapsulation rete and the backplate, when ice layer or snow layer appear in solar module's sensitive surface, the heat conduction that the piece that generates heat gived off makes snow layer or ice layer melt to solar module's sensitive surface, and then guarantees the luminousness on solar module top layer for solar module can normally generate electricity in the lower environment of temperature.
On the other hand, the embodiment of the utility model provides a still provide a monitoring devices, include: the solar cell module comprises a shell and the solar cell module, wherein the solar cell module is arranged on the outer surface of the shell.
The utility model discloses install the solar module who has the deicing function that generates heat on the monitoring devices, this solar module not only can be for monitoring devices's battery continuous power supply, can also get rid of its surperficial ice and snow for monitoring devices can normally generate electricity in the lower environment of ambient temperature, and the battery that lasts for the buoy charges.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention and not to limit the embodiments of the invention.
Fig. 1 is a schematic structural diagram of a solar cell module according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a solar cell module according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a solar cell module according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a solar cell module according to a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of some embodiments of the heat generating sheet of the solar cell module of the present invention;
fig. 6 is a schematic structural view of some embodiments of the monitoring device of the present invention.
Description of reference numerals:
100-a solar cell module;
10-front packaging film layer; 20-a solar cell chip layer;
21-a solar cell chip; 30-a back plate;
40-heating sheet; 41-a substrate;
42-heating the film; 43-insulating heat-conducting film;
50-a thermally conductive structure; 60-an adhesive layer;
71-a second wire; 71-a first wire;
l-ray; a-a light receiving surface of a solar cell module;
200-a monitoring device; 1-a shell;
2-a storage battery; 3-controllable switch.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention will be combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Furthermore, it should be noted that the terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An embodiment of the present invention provides a solar cell module, which is shown in fig. 1-2. The solar cell module 100 of the present embodiment includes: the solar cell module 100 further comprises a heating sheet 40, the heating sheet 40 is used for heating a light receiving surface a of the solar cell module 100, and the heating sheet 40 is disposed between the front packaging film layer 10 and the back sheet 30.
The structure of the solar cell module 100 mentioned in the above embodiments is briefly described below to better understand the technical content disclosed in the present embodiment.
In this embodiment, as shown in fig. 3, the solar cell chip layer 20 may include a plurality of solar cell chips 21, and the solar cell chips 21 may be thin film solar cell chips, and specifically may be one of copper indium gallium selenide, copper indium selenide, cadmium telluride, or dye sensitized solar cell chips. The thin film solar cell chip has the advantages of small mass, extremely thin thickness (several microns), flexibility, simple manufacturing process and the like, so the thin film solar cell chip is adopted as a solar cell packThe chip of the member 100 enables the solar cell module 100 to have the characteristics of light weight, low breakage resistance, low manufacturing cost and the like. Preferably, the solar cell chip 21 is copper indium gallium selenide (CuIn)xGa(1-x)Se2CIGS) thin film solar cell chip having advantages of strong light absorption capability, good power generation stability, high conversion efficiency, low production cost, short energy recovery period, and the like, and can prolong the service life of the solar cell module 100 and ensure the better quality of the solar cell module 100.
As shown in fig. 1, the front encapsulant layer 10 of the solar cell module of the present embodiment is used to encapsulate the solar cell chip layer 20 in cooperation with the back sheet 30, and the light-receiving surface a of the solar cell module 100 absorbs solar energy, so the front encapsulant layer 10 of the solar cell module 100 is made of a light-transmitting material. Optionally, the front encapsulation film layer of this embodiment is made of one of polymer materials with high optical transmittance, low moisture transmittance and excellent ultraviolet radiation resistance, such as ethylene-tetrafluoroethylene copolymer (ETFE), polyvinyl chloride (PVC), Polytetrafluoroethylene (PTFE) or polyethylene terephthalate (PET). Optionally, in order to effectively prevent water vapor from entering the solar cell module from the front packaging film layer side, a water blocking film layer can be arranged on the front packaging film layer 10 in the embodiment, so that the water blocking performance of the solar cell module is further enhanced, the service life of the solar cell module is prolonged, meanwhile, the water blocking film layer also has higher light transmission performance, and the influence on the power generation performance and the conversion efficiency of the solar cell module 100 is reduced. Preferably, the front encapsulation film 10 of the present embodiment may be a water blocking film with high light transmittance, so that the front encapsulation film has dual functions of water blocking and encapsulation, and the structure of the solar cell module is simpler. In addition, the material of the water-blocking film can be a composite polymer material.
Ice and snow may appear on the light receiving surface a side of the solar cell module 100, which affects the light transmittance of the surface layer of the solar cell module, and further causes the generated energy of the solar cell module to be reduced, even no power is generated. The heating sheet 40 capable of generating heat is arranged between the front packaging film layer 10 and the back plate 30, and the heat is transferred to one side (namely, the surface of the solar cell module receiving illumination and possibly having ice and snow) where the front packaging film layer 10 is located, so that the snow layer or the ice layer is melted, the light transmittance of the surface layer of the solar cell module is further ensured, and the solar cell module can normally generate electricity. The specific structure, the arrangement position and the manner of the heat generating sheet 40 in this embodiment are not limited, and whether there is a heat conducting structure in this embodiment is also not limited, as long as the heat generating sheet 40 can generate heat and a part of the heat can be transferred to the light receiving surface side of the solar cell module.
In some embodiments, the heating sheet 40 is a sheet-shaped electric heating element capable of generating heat, and the heating sheet 40 may be an electric heating sheet, specifically, any one of a silica gel heating sheet, a PET electric heating film polyester heating sheet, an aluminum foil heating sheet, or a novel film heating sheet.
In some embodiments, the solar cell module 100 with the deicing function can be formed by laminating an additional heating sheet 40 in the solar cell module 100 formed by laminating the solar cell chip 21, the back sheet 30 and the front encapsulation film layer 10.
In some embodiments, the heat generating sheet 40 of the present embodiment may be disposed between the solar cell chip layer 20 and the back sheet 30 (as shown in fig. 1), and the heat generated by the heat generating sheet 40 is conducted to the light receiving surface a of the solar cell module 100 through the solar cell chip layer 20 and the front encapsulant film layer 10.
In other embodiments, the heat generating sheet 40 may also be disposed between the solar cell chip layer 20 and the front encapsulant film layer 10 (as shown in fig. 2), and the heat generated by the heat generating sheet 40 is conducted to the light receiving surface a of the solar cell module 100 through the front encapsulant film layer 10. When the heating sheet 40 is arranged between the solar cell chip layer 20 and the front packaging film layer 10, the heating sheet 40 is a transparent film and has high light transmittance; or the heat generating sheet itself is provided with a light leakage region to reduce the influence on the power generation performance and the conversion efficiency of the solar cell module 100.
The solar cell module 100 provided by the embodiment of the present invention is provided with the heating sheet 40 between the front packaging film layer 10 and the back plate 30, when the light receiving surface a of the solar cell module 100 has an ice layer or a snow layer, the heat emitted from the heating sheet 40 is conducted to the light receiving surface a of the solar cell module to melt the snow layer or the ice layer, thereby ensuring the light transmittance of the surface layer of the solar cell module, and enabling the solar cell module to normally generate electricity in an environment with a lower temperature; in addition, the influence of the invasion of the external environment on the service life of the heating sheet is weakened by arranging the heating sheet 40 between the back plate 30 and the front packaging film layer 10.
Preferably, as shown in fig. 1, the heat generating sheet 40 is disposed between the back sheet 30 and the solar cell chip layer 20 in the present embodiment. In this embodiment, the heating sheet 40 is selectively disposed between the back plate 30 and the solar cell chip layer 20, so that the heating sheet 40 does not affect the light transmittance of the surface layer of the solar cell module 100, and the requirement for the material of the heating sheet is reduced.
In some embodiments, as shown in fig. 5, the heat generating sheet 40 includes a substrate 41 and a heating film 42 disposed on the substrate 41, the heating film 42 being disposed between the substrate 41 and the solar cell chip layer 20. The heating film 42 is a thin film that can generate heat after being electrified, and can be made of a conductive heating material. The material of the heating film 42 in this embodiment is not limited as long as it can generate heat after being energized. In the present embodiment, the heat generating sheet 40 has a laminated structure and is fabricated by laying a heating film on a substrate. The heat generating sheet 40 may be, for example, a novel thin film heat generating sheet.
Preferably, the material of the heating film 42 of the present embodiment is carbon nanotube or graphene. Graphene (Graphene) is a polymer made of carbon atoms in sp2The hybrid tracks form a hexagonal honeycomb-shaped two-dimensional carbon nano material, the carbon nano tube is a one-dimensional nano material, the carbon nano tube can be regarded as formed by curling graphene sheets, and the graphene and the carbon nano tube have excellent electric conduction and heat conduction characteristics. The graphene heating film (or the carbon nano tube heating film) needs to be electrified to generate heat like the conventional heating film, under the condition that electrodes at two ends of the heating film are electrified, carbon molecules in the heating film generate phonons, ions and electrons in a resistor, generated carbon molecular groups rub and collide with each other (also called Brownian motion) to generate heat energy, and the heat energy is used for generating heat energy by controlling far infrared rays with the wavelength of 5-14umThe plane mode is radiated evenly, the total conversion rate of effective electric heat energy reaches more than 99%, and meanwhile, the superconductivity of special graphene materials is added, so that the stability of heating performance is guaranteed. Of course, in other embodiments, the heating film 42 may be a conventional heating film. The material of the heating film 42 in this embodiment is carbon nanotube or graphene, so that the heating sheet 40 has the characteristics of fast heating and uniform heat dissipation, and can uniformly and rapidly transfer the dissipated heat to the light receiving surface of the solar cell module.
Alternatively, the thickness of the heating film 42 in this embodiment ranges from 5um to 10 um. For example, the thickness of the heater film 42 may be: 5um, 6um, 7um, 8um, 9um, 10um etc. and it is no longer repeated here one by one, and the thickness value of above-mentioned interval can guarantee the heating performance of piece that generates heat under the prerequisite of the whole thickness of minimize solar module to get rid of the ice sheet or the snow on solar module's the sensitive surface A. Preferably, the thickness of the heating film 42 in this embodiment is 5 um.
In this embodiment, the substrate 41 is made of a flexible material to meet the requirements of the flexible solar module, and the substrate 41 has both supporting and insulating functions.
Optionally, in order to further accelerate the transfer of the heat emitted from the heat generating sheet to the light receiving surface a of the solar cell, as shown in fig. 5, the heat generating sheet 40 in this embodiment further includes an insulating heat conducting film 43, and the insulating heat conducting film 43 is disposed on the heating film 42. In this embodiment, the insulating thermal conductive film 43 may be made of a thermal conductive silica gel material, and certainly, the insulating thermal conductive film 43 may also be made of other insulating thermal conductive materials, which is not illustrated herein.
In some embodiments, as shown in fig. 3, the solar cell chip layer 20 includes a plurality of solar cell chips 21 arranged in the same layer; the solar cell module 100 further comprises a heat conducting structure 50, wherein one end of the heat conducting structure 50 is connected with the heating sheet 40 in a heat conducting manner; the other end of the heat conducting structure 50 penetrates through the gaps of the plurality of solar cell chips 21 and is connected with the front encapsulation film layer 10. In the embodiment, the heat conducting structure 50 is disposed between the gaps of the solar cell chips 21, so that the heat emitted from the heat generating sheet 40 is transferred to the light receiving surface a of the solar cell module 100 through the heat conducting structure 50, the influence of the heat emitted from the heat generating sheet on the solar cell chips is reduced, and the transfer of the heat emitted from the heat generating sheet to the light receiving surface a of the solar cell is accelerated. Alternatively, the heat conducting structure 50 in this embodiment may include a plurality of heat conducting holes, and a heat conducting medium may be disposed in the heat conducting holes. Of course, the heat conducting structure 50 may have other structures, which are not illustrated herein. Of course, the heat conducting structure may be exposed from the front encapsulation film layer without affecting the sealing effect of the solar cell module.
In some embodiments, as shown in fig. 4, the solar cell module 100 further includes an adhesive layer 60, and the adhesive layer 60 may be disposed between the front encapsulant film layer 10 and the solar cell chip layer 20, and/or between the solar cell chip layer 20 and the heating sheet 40, and/or between the heating sheet 40 and the back sheet 30. In this embodiment, the adhesive layer 60 may be an adhesive film with certain aging resistance and high adhesiveness, such as one of a dinonyl phthalate adhesive film (DNP adhesive film), a polyethylene-polyvinyl acetate copolymer adhesive film (EVA adhesive film), a polyolefin elastomer resin adhesive film (POE adhesive film), or a polyvinyl butyral adhesive film (PVB adhesive film). The adhesive layer 60 in this embodiment has strong adhesion and durability, so that the front encapsulant layer 10 can be firmly adhered to the solar cell chip layer 20, the solar cell chip layer 20 can be firmly adhered to the heat sheet 40, and the heat sheet 40 can be firmly adhered to the back sheet 30. In addition, the adhesive layer 60 on the solar cell chip layer 20 in the present embodiment also has high light transmittance, so as to reduce the influence on the power generation performance and the conversion efficiency of the solar cell module 100.
In addition, the manufacture of the solar cell module 100 provided by some embodiments of the present invention is simply described, and the specific manufacturing process is:
sequentially laying a back plate 30, an adhesive layer 60, a heating sheet 40, the adhesive layer 60, a solar cell chip 21, the adhesive layer 60 and a front packaging film layer 10;
the solar cell module 100 is manufactured by laminating the laid module in a laminator.
In the solar cell module 100 of the embodiment, the heating sheet 40, the solar cell chip 21, the back sheet 30, the front encapsulation film layer 10, and the like are integrally laminated, and the solar cell module is manufactured by using an existing module production line without greatly changing the original production line.
Referring to fig. 6, an embodiment of the present invention further provides a monitoring device. The monitoring device 200 of the present embodiment includes: the housing 1 and the solar cell module 100 according to any of the above embodiments, the solar cell module 100 is disposed on an outer surface of the housing 1.
It should be noted that the monitoring device in this embodiment may be a monitoring device for weather monitoring on land or in air or a monitoring device for marine environment monitoring, and is not limited specifically herein.
In some embodiments, the monitoring device 200 further includes a storage battery 2 and a controllable switch 3 disposed in the housing 1, the storage battery 2 is electrically connected to the solar cell chip 21 of the solar cell module 100, and the heat generating sheet 40 is electrically connected to the storage battery 2 through the controllable switch 3; the power supply or the power failure of the storage battery 2 to the heating sheet 2 can be controlled by the on or off of the controllable switch 3.
Optionally, as shown in fig. 6, the solar cell module 100 in this embodiment further includes a first conductive line 72 and a second conductive line 71, the first conductive line 72 may be an FPC line, the second conductive line 71 may be a bus bar, and both the FPC line and the bus bar of the heating sheet 40 may be led out from the back sheet 30. In this embodiment, the solar cell module 100 may be adhered to the outer surface of the housing 1 of the monitoring device 200 by adhesive, the FPC line led out from the back plate 30 is connected to the controllable switch 3 in the housing 1, the bus bar led out from the back plate 30 is connected to the storage battery 2 in the housing 1, and the controllable switch 3 is connected to the storage battery 2.
In some embodiments, the solar module 100 may further comprise an inductive controller, which is electrically connected to the controllable switch 3. In this embodiment, the sensing controller may determine whether the light receiving surface a of the solar cell module 100 has an ice layer or a snow layer by sensing a change of the light energy, and then send a control signal to the controllable switch 3 to control the on/off of the controllable switch 3. For example: the sensing controller in this embodiment may be an optical sensor, the optical sensor is disposed at the edge of the front packaging film 10 of the solar cell module 100, the optical sensor senses the light energy on the surface of the front packaging film 10, when the sensed light energy is greatly reduced, it indicates that an ice layer or a snow layer may be present on the surface of the front packaging film 10, that is, on the light receiving surface a of the solar cell module 100, at this time, the sensing controller sends a control signal to the controllable switch 3, the controllable switch 3 receives the control signal and then conducts the storage battery 2 with the heat generating sheet 40, the storage battery 2 supplies power to the heat generating sheet 40, the heat generating sheet 40 converts the electric energy into heat energy, and the heat of the heat generating sheet 40 is conducted to the light receiving surface a of the solar cell module 100 to remove the ice layer or the snow layer on the light receiving surface.
In other embodiments, whether the light receiving surface a of the solar cell module 100 has an ice layer or a snow layer may be indirectly monitored by monitoring the light sensing current or voltage of the solar cell module 100.
In other embodiments, it is also possible to obtain whether the ice and snow weather occurs at the installation site of the solar cell module 100 through remote communication, and then generate a control signal for controlling the controllable switch 3. The monitoring device 200 of the embodiment includes a housing 1, and a solar cell module 100 disposed on an outer surface of the housing 1, wherein a heating sheet 40 is disposed in the solar cell module 100, and when an ice layer or a snow layer appears on a light-receiving surface a of the solar cell module 100, heat emitted from the heating sheet 40 is conducted to the light-receiving surface a of the solar cell module to melt the snow layer or the ice layer, so as to ensure light transmittance of a surface layer of the solar cell module, and enable the solar cell module to normally generate electricity in an environment with a relatively low temperature.
In some embodiments, the monitoring device 200 is a buoy. The solar cell module with the heating and deicing functions is installed on the buoy, and not only can the storage battery of the buoy be continuously supplied with power, but also the ice and snow on the surface of the buoy can be removed, so that the buoy can normally generate power (particularly in polar ocean environment) in the ocean area with lower environmental temperature, and the storage battery of the buoy can be continuously charged.
In the embodiment, the solar cell module 100 on the buoy converts electricity into heat through the heating sheet 40 to perform active electrothermal deicing, so that the deicing efficiency of the solar cell module is improved; the heating sheet 40 is arranged between the back plate 30 and the front packaging film layer 10, so that the influence of invasion of the external environment on the service life of the heating sheet is weakened; the back plate 30 can perform heat preservation treatment on the solar cell module 100, when the solar cell module is heated by electricity, heat generated by the heating sheet 40 is transferred to the front surface of the module contacting with the ice layer or the snow layer, and the heat lost by transferring to the back surface of the module far away from the ice layer or the snow layer is less, when the heat transferred to the interface of the module and the ice layer or the snow layer by the heating sheet 40 enables the ice layer or the snow layer at the interface to be melted to form a thin melted water layer, the unmelted ice layer or snow layer can be separated from the surface of the module under the action of self gravity and wind-blowing external force, so that the purpose of removing ice and snow is achieved.
In some embodiments, the structure of the solar cell module 100 may be a 3M water-resistant film, an adhesive film, a solar cell chip, an adhesive film, a heat-generating sheet, an adhesive film, and a flexible back sheet, which are sequentially stacked.
The heat conducting structure 50 in this embodiment may include a plurality of heat conducting holes, and a heat conducting medium is disposed in the heat conducting holes.
Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A solar cell module comprising: a back sheet (30) and a solar cell chip layer (20) and a front encapsulation film layer (10) disposed on the back sheet (30), the solar cell chip layer (20) comprising one or more solar cell chips (21), characterized in that,
the solar cell module (100) further comprises a heating sheet (40), the heating sheet (40) is used for heating a light receiving surface (A) of the solar cell module (100), and the heating sheet (40) is arranged between the front packaging film layer (10) and the back plate (30).
2. The solar cell module according to claim 1, wherein the heat generating sheet (40) is disposed between the back sheet (30) and the solar cell chip layer (20).
3. The solar cell module according to claim 2, wherein the heat generating sheet (40) includes a substrate (41) and a heating film (42) provided on the substrate (41), the heating film (42) being provided between the substrate (41) and the solar cell chip layer (20).
4. The solar cell module according to claim 3, wherein the material of the heating film (42) is carbon nanotubes or graphene.
5. The solar cell assembly according to claim 3, wherein the thickness of the heating film (42) is in the range of 5-10 um.
6. The solar cell module according to claim 3, wherein the heat generating sheet (40) further comprises an insulating heat conductive film (43), and the insulating heat conductive film (43) is provided on the heating film (42).
7. The solar cell module according to any one of claims 2 to 6, wherein a plurality of the solar cell chips (21) are arranged in the same layer;
the solar cell module (100) further comprises a heat conduction structure (50), and one end of the heat conduction structure (50) is connected with the heating sheet (40) in a heat conduction way; the other end of the heat conduction structure (50) penetrates through the gaps of the plurality of solar cell chips (21) and is connected with the front packaging film layer (10).
8. The solar cell module according to claim 1, wherein the heat generating sheet (40) is a transparent film, and the heat generating sheet (40) is disposed between the back sheet (30) and the front encapsulation film layer (10).
9. A monitoring device, comprising: a housing (1) and a solar module (100) according to any of claims 1 to 8, the solar module (100) being arranged on an outer surface of the housing (1).
10. The monitoring device according to claim 9, wherein the monitoring device (200) further comprises a storage battery (2) and a controllable switch (3) arranged in the housing (1), the storage battery (2) is electrically connected with a solar cell chip (21) of the solar cell module (100), and the heat generating sheet (40) is electrically connected with the storage battery (2) through the controllable switch (3); the controllable switch (3) is used for receiving a control signal, so that the storage battery (2) can supply power to the heating sheet (40) when an ice layer or a snow layer appears on the light receiving surface (A) of the solar cell module (100).
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| CN201920596218.6U CN210040216U (en) | 2019-04-28 | 2019-04-28 | Solar cell module and monitoring device |
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| CN201920596218.6U CN210040216U (en) | 2019-04-28 | 2019-04-28 | Solar cell module and monitoring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239356A (en) * | 2020-02-10 | 2020-06-05 | 苏州才豪电子科技有限公司 | Water environment current situation monitoring equipment based on Internet of things |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239356A (en) * | 2020-02-10 | 2020-06-05 | 苏州才豪电子科技有限公司 | Water environment current situation monitoring equipment based on Internet of things |
| CN111239356B (en) * | 2020-02-10 | 2020-11-13 | 南通网仁网络科技有限公司 | Water environment current situation monitoring equipment based on Internet of things |
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