CN115241315B - Photovoltaic module and preparation method thereof - Google Patents
Photovoltaic module and preparation method thereof Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 12
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- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
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- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
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Abstract
The application discloses a photovoltaic module and a preparation method thereof, which relate to the technical field of photoelectricity and can adjust surface temperature so as to keep normal operation of the photovoltaic module and ensure the service life efficiency of the photovoltaic module. A photovoltaic module, comprising: a photovoltaic panel provided with a plurality of photovoltaic devices for converting light energy into electrical energy; the light sensation color layer is arranged on the surface of the photovoltaic plate and is used for converting colors according to the light intensity received by the surface of the photovoltaic plate.
Description
Technical Field
The application relates to the technical field of photoelectricity, in particular to a photovoltaic module and a preparation method.
Background
At present, the photovoltaic module in the new energy field is widely applied, and the photovoltaic module is utilized to generate electricity, so that the solar energy in the nature can be converted into electric energy for various industries, and the photovoltaic module has high energy utilization rate and is environment-friendly.
However, the existing photovoltaic modules have difficulty in controlling the surface temperature, and influence the service life and efficiency of the photovoltaic modules.
Disclosure of Invention
The embodiment of the application provides a photovoltaic module and a preparation method, which can adjust the surface temperature so as to keep the normal operation of the photovoltaic module and ensure the service life efficiency of the photovoltaic module.
In a first aspect of embodiments of the present application, a photovoltaic module is provided, including:
a photovoltaic panel provided with a plurality of photovoltaic devices for converting light energy into electrical energy;
the light sensation color layer is arranged on the surface of the photovoltaic plate and is used for converting colors according to the light intensity received by the surface of the photovoltaic plate.
In some embodiments, the light-sensitive color layer is configured to darken the color according to an increase in intensity of ultraviolet light received by the surface of the photovoltaic panel;
the light-sensitive color layer comprises light-sensitive color coatings in the shape of dots which are arranged in an array, the diameter range of each dot is 0.5-1 mm, and the distance range between every two adjacent dots is 0.5-2 mm.
In some embodiments, the light-sensitive color layer is prepared by mixing particles of a light-sensitive color-changing material in an ink.
In some embodiments, the particles of the photochromic material have a particle size ranging from 7 μm to 9 μm; and/or the number of the groups of groups,
the mass proportion of the photochromic material powder particles in the ink is in the range of 2-20%.
In some embodiments, the photovoltaic module further comprises:
a base color material layer;
the ground color material layer is arranged between the photovoltaic panel and the light-sensitive color layer; or alternatively, the first and second heat exchangers may be,
the light-sensitive color layer is arranged between the photovoltaic panel and the ground color material layer; or alternatively, the first and second heat exchangers may be,
the light-sensitive color layer and the ground color material layer are mixed.
In a second aspect of the embodiments of the present application, a method for manufacturing a photovoltaic module is provided, including:
preparing a photovoltaic panel, wherein the photovoltaic panel is provided with a plurality of photovoltaic devices, and the photovoltaic devices are used for converting light energy into electric energy;
and arranging a light-sensitive color layer on the surface of the photovoltaic panel, wherein the light-sensitive color layer is used for converting colors according to the light intensity received by the surface of the photovoltaic panel.
In some embodiments, the disposing a light-sensitive color layer on a surface of the photovoltaic panel includes:
adding the photochromic material powder particles into the printing ink, and stirring for a set time to obtain the photochromic material;
coating or spraying the photochromic material on the surface of the photovoltaic panel to form the photochromic layer on the surface of the photovoltaic panel;
or alternatively, the first and second heat exchangers may be,
and (3) dripping the photochromic material on the surface of the photovoltaic panel in the shape of dots to obtain a photo-sensitive material dot matrix to serve as a photo-sensitive color layer, wherein the diameter range of the dots is 0.5-1 mm, and the distance range between adjacent dots is 0.5-2 mm. .
In some embodiments, the coating or spraying the photochromic material on the surface of the photovoltaic panel to form the photosensitive color layer on the surface of the photovoltaic panel further comprises:
and curing the light-sensitive color layer by utilizing ultraviolet light.
In some embodiments, the method of manufacturing a photovoltaic module further comprises:
setting a ground color material layer, wherein the ground color material layer is arranged between the photovoltaic panel and the light-sensitive color layer, or the light-sensitive color layer is arranged between the photovoltaic panel and the ground color material layer;
or alternatively, the first and second heat exchangers may be,
and mixing the material of the ground color material layer with the material of the light-sensitive color layer, and then setting the mixture on the surface of the photovoltaic panel.
In some embodiments, the ultraviolet light has a wavelength in the range of 250nm to 420nm; and/or the number of the groups of groups,
the irradiation duration range of the ultraviolet light is 1min to 3min; and/or the number of the groups of groups,
the set time range is 5min to 10min; and/or the number of the groups of groups,
the preparation process temperature of the photochromic material and the curing process temperature of the photochromic color layer are both less than or equal to 200 ℃; and/or the number of the groups of groups,
and spraying the photochromic material on the surface of the photovoltaic panel, wherein the spraying amount of the photochromic material is 5-10 CC per square meter.
According to the photovoltaic module and the preparation method, the light-sensitive color layer is arranged on the surface of the photovoltaic panel, the color of the light-sensitive color layer can change along with the change of the light intensity received by the surface of the photovoltaic panel, and then the light-sensitive color layer has a color indication function on the temperature of the surface of the photovoltaic panel. Under the condition that the surface receiving light intensity of the photovoltaic panel changes, the color of the light-sensitive color layer changes along with the change of the light intensity, the light absorption quantity of different colors is different, the light-sensitive color layer can play a role in blocking the continuous transfer of the heat energy converted by the light energy to the photovoltaic panel when absorbing different light quantities under different colors, and then the surface temperature of the photovoltaic panel can be adjusted by absorbing different light quantities by different colors. The light-sensitive color layer receives the indication of the light intensity on the surface of the photovoltaic panel, so that related personnel can intuitively observe the light intensity on the surface of the photovoltaic panel and further reflect the temperature change of the photovoltaic panel; the light-sensitive color layer can play a role in blocking the continuous transfer of the heat energy converted by the light energy to the photovoltaic panel under the absorption of different light quantities, so that the temperature of the photovoltaic panel can be regulated by the different light quantities of different colors, the photovoltaic device can be protected, the photovoltaic device is prevented from being damaged by high temperature, and the service life and the working efficiency of the photovoltaic device are ensured.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic module provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of another photovoltaic module provided in an embodiment of the present application;
FIG. 3 is a schematic block diagram of yet another photovoltaic module provided in an embodiment of the present application;
FIG. 4 is a schematic block diagram of yet another photovoltaic module provided in an embodiment of the present application;
fig. 5 is a schematic flowchart of a method for manufacturing a photovoltaic module according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a light-sensitive color layer according to an embodiment of the present application.
Detailed Description
In order to better understand the technical solutions provided by the embodiments of the present specification, the following detailed description of the technical solutions of the embodiments of the present specification is made through the accompanying drawings and the specific embodiments, and it should be understood that the specific features of the embodiments of the present specification are detailed descriptions of the technical solutions of the embodiments of the present specification, and not limit the technical solutions of the present specification, and the technical features of the embodiments of the present specification may be combined with each other without conflict.
In this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. The term "two or more" includes two or more cases.
At present, the photovoltaic module in the new energy field is widely applied, and the photovoltaic module is utilized to generate electricity, so that the solar energy in the nature can be converted into electric energy for various industries, and the photovoltaic module has high energy utilization rate and is environment-friendly. However, the existing photovoltaic modules have difficulty in controlling the surface temperature, and influence the service life and efficiency of the photovoltaic modules.
In view of this, the embodiment of the application provides a photovoltaic module and a preparation method, which can adjust the surface temperature to keep the normal operation of the photovoltaic module and ensure the efficiency of the service life of the photovoltaic module.
In a first aspect of the embodiments of the present application, a photovoltaic module is provided, and fig. 1 is a schematic structural diagram of the photovoltaic module provided in the embodiments of the present application. As shown in fig. 1, a photovoltaic module provided in an embodiment of the present application includes: the photovoltaic panel 100 and the light-sensitive color layer 200, the photovoltaic panel 100 is provided with a plurality of photovoltaic devices, the photovoltaic devices are used for converting light energy into electric energy, and the photovoltaic panel 100 can be further provided with circuits and other auxiliary devices or sensors, which are not exemplified one by one. The surface of the photovoltaic panel 100 is configured to receive light energy, convert the light energy into electrical energy via the photovoltaic device, and store the electrical energy via the electrical circuit and the energy storage device. The light-sensitive color layer 200 is disposed on the surface of the photovoltaic panel 100, and the light-sensitive color layer 200 can be used to change colors according to the temperature of the photovoltaic panel. That is, the color of the light-sensitive color layer 200 can be changed according to the change of the light intensity received by the surface of the photovoltaic panel 100, and the light-sensitive color layer 200 has a color indication function on the light intensity received by the surface of the photovoltaic panel 100. As the light energy is accumulated and irradiated on the surface of the photovoltaic panel 100, heat generated in the operation process of the photovoltaic device is superimposed, the surface temperature of the photovoltaic panel 100 is continuously increased, the operation of the photovoltaic device is easily caused by the overhigh temperature of the photovoltaic panel 100, the operation efficiency of the photovoltaic device is reduced, the service life of the photovoltaic device is reduced, and the like.
The light-sensitive color layer 200 is arranged such that when the photovoltaic panel 100 receives the light intensity change, the color is changed according to the light intensity change, and the light absorption amounts of different colors are different, so that the light absorption amount of the light-sensitive color layer 200 can be changed by the color change. Under the condition that the photovoltaic panel 100 receives stronger light quantity, the temperature of the photovoltaic panel 100 also rises, and then the light-absorbing quantity is changed through the change of the color of the light-sensitive color layer 200, so that the effect of blocking the heat energy converted by light energy from being continuously transferred to the photovoltaic panel can be achieved, the condition that the temperature of the photovoltaic panel 100 continuously rises can be avoided, and the effect of protecting the photovoltaic panel 100 from overheat damage can be achieved.
The photovoltaic module provided by the embodiment of the application is provided with the light sensation color layer 200 on the surface of the photovoltaic panel 100, the color of the light sensation color layer 200 can change along with the change of the light intensity received by the surface of the photovoltaic panel 100, and the light sensation color layer 200 has a color indication function on the temperature of the surface of the photovoltaic panel 100. Under the condition that the light intensity received by the surface of the photovoltaic panel 100 changes, the color of the light-sensitive color layer 200 changes along with the change of the light intensity, the light absorption amount of different colors is different, the light-sensitive color layer 200 can play a role in blocking the continuous transmission of the heat energy converted by the light energy to the photovoltaic panel 100 when absorbing different light amounts under different colors, and then the surface temperature of the photovoltaic panel 100 can be adjusted by absorbing different light amounts by different colors. The light-sensitive color layer 200 receives an indication of light intensity on the surface of the photovoltaic panel 100, so that a relevant person can intuitively observe the light intensity on the surface of the photovoltaic panel 100, and further reflect the temperature change of the photovoltaic panel 100; the light-sensitive color layer 200 can play a role in blocking the continuous transmission of the heat energy converted by the light energy to the photovoltaic panel 100 by absorbing different light quantities under different colors, so that the temperature of the photovoltaic panel 100 can be regulated by absorbing different light quantities in different colors, the photovoltaic device can be protected, the photovoltaic device is prevented from being damaged by high temperature, and the service life and the working efficiency of the photovoltaic device are ensured.
In some embodiments, the light-sensitive color layer 200 is used to darken the color according to the increase in intensity of ultraviolet light received by the surface of the photovoltaic panel 100. The sunlight contains ultraviolet light, the ultraviolet light intensity can reflect the solar light intensity, the ultraviolet light intensity is improved, the light sensitive color layer 200 is darker, the dark color is larger than the light absorption amount, the light sensitive color layer 200 is darker under the condition that the surface temperature of the photovoltaic panel 100 is increased, the light absorption amount of the darkened light sensitive color layer 200 is increased, more light rays can be absorbed, the heat energy converted by blocking the light energy is blocked in the light sensitive color layer 200, more heat energy converted by the light energy is prevented from being transmitted to the photovoltaic panel 100, the continuous temperature rise of the photovoltaic panel 100 can be avoided, the temperature of the photovoltaic panel 100 is ensured to be kept in a proper range, the overheat damage of a photovoltaic device on the photovoltaic panel 100 is avoided, and the service life and the working efficiency of the photovoltaic panel 100 are ensured. Conversely, when the ultraviolet intensity is reduced, the light-sensitive color layer 200 becomes lighter, and the amount of absorbed light can be reduced. Illustratively, the light absorbing amount is small in the case where the light-sensitive color layer 200 is white, and is large in the case where the light-sensitive color layer 200 is black.
In some embodiments, the light-sensitive color layer 200 may include a light-sensitive color coating in the shape of an array of dots having a diameter ranging from 0.5 to 1mm and a distance between adjacent dots ranging from 0.5 to 2mm. Illustratively, each dot is at a 45 angle to the line connecting the nearest two dots in an adjacent row. The color of the light-sensitive color layer 200 appears as a color lattice.
In some embodiments, the light-sensitive color layer 200 is prepared by mixing particles of a light-sensitive color-changing material in an ink. The photosensitive color layer 200 can be formed by mixing the photosensitive color material powder particles with the ink and then coating or spraying the mixed ink on the surface of the photovoltaic panel 100. The ink can be ultraviolet-cured ink, the photosensitive color layer 200 can be ultraviolet-cured, the coated or sprayed photosensitive color layer 200 can be fixed on the surface of the photovoltaic panel 100, and the bonding strength after curing can reach 25N/cm or more. The ink jet amount can be 5-10 CC, the wavelength range of ultraviolet light can be 250-420 nm, and the ultraviolet light irradiation time can be 1-3 min or more than 3 min.
In the process of manufacturing the photovoltaic module, the processing temperature is, for example, 200 ℃ or less during the spraying process, the coating process, and the curing process of the light-sensitive color layer 200.
In some embodiments, the particles of the photochromic material range in size from 7 μm to 9 μm.
In some embodiments, the mass fraction of the photochromic material particles in the ink ranges from 2% to 20%. The photochromic material powder particles need to be rapidly stirred in the printing ink, and the stirring time can be 5 to 10 minutes, so that the photochromic material powder particles are uniformly dissolved in the ultraviolet printing ink, and the photochromic material is obtained. The overall duration of the preparation process of the photochromic material, the spraying of the photochromic material coating on the surface of the photovoltaic panel 100 and the curing of the photochromic material can be controlled to be about 30 minutes, and the color change performance of the photochromic material along with the light intensity change can be ensured.
In some embodiments, the photovoltaic module further comprises: the base color material layer is arranged between the photovoltaic panel and the light-sensitive color layer. The base color material layer has a fixed color, is a base color of the photovoltaic module, can be any color, can play a role in marking the photovoltaic module, and is used as a distinction between different models, different uses or different manufacturers, and the like.
The apparent color of the photovoltaic panel 100 is a superimposed color effect of the color of the undercolor material layer and the color of the light-sensitive color layer.
In some embodiments, the light-sensitive color layer is disposed between the photovoltaic panel and the base color material layer.
In some embodiments, the light-sensitive color layer and the base color material layer are mixed, that is, the material of the light-sensitive color layer and the material of the base color material layer are mixed together and then are arranged on the surface of the photovoltaic panel, the material color of the base color material layer is the base color of the photovoltaic module, and the color of the light-sensitive color layer is used for color change along with the change of light intensity.
Fig. 2 is a schematic structural diagram of another photovoltaic module according to an embodiment of the present application. As shown in fig. 2, the under color material layer 300 is disposed between the photovoltaic panel 100 and the light-sensitive color layer 200, and the under color material layer 300 may be disposed first, and the light-sensitive color layer 200 may be disposed on the under color material layer 300.
Fig. 3 is a schematic structural diagram of another photovoltaic module according to an embodiment of the present application. As shown in fig. 3, the light-sensitive color layer 200 is disposed between the photovoltaic panel 100 and the under color material layer 300, and the light-sensitive color layer 200 may be disposed first, and the under color material layer 300 may be disposed on the light-sensitive color layer 200.
Fig. 4 is a schematic structural diagram of still another photovoltaic module according to an embodiment of the present application. As shown in fig. 4, the light-sensitive color layer and the base color material layer are mixed to form a layer, the material of the light-sensitive color layer and the material of the base color material layer are mixed together and then are arranged on the surface of the photovoltaic panel, so that the mixed material layer 203 can be obtained, the color of the base color material in the mixed material layer 203 is the base color of the photovoltaic module, and the color-changing material in the mixed material layer 203 is used for changing the color along with the change of the light intensity.
In a second aspect of the embodiments of the present application, a method for manufacturing a photovoltaic module is provided, and fig. 5 is a schematic flowchart of the method for manufacturing a photovoltaic module provided in the embodiments of the present application. As shown in fig. 5, the method for preparing a photovoltaic module provided in the embodiment of the present application includes:
s101: a photovoltaic panel is prepared, wherein the photovoltaic panel is provided with a plurality of photovoltaic devices for converting light energy into electrical energy.
Referring to fig. 1, the photovoltaic panel 100 may also be provided with circuitry and other auxiliary devices or sensors, not to be exemplified herein. The surface of the photovoltaic panel 100 is configured to receive light energy, convert the light energy into electrical energy via the photovoltaic device, and store the electrical energy via the electrical circuit and the energy storage device.
S102: and arranging a light-sensitive color layer on the surface of the photovoltaic panel, wherein the light-sensitive color layer is used for converting colors according to the light intensity received by the surface of the photovoltaic panel.
Referring to fig. 1, a light-sensitive color layer 200 is disposed on a surface of a photovoltaic panel 100, and the light-sensitive color layer 200 may be used to change colors according to received light intensity of the photovoltaic panel. That is, the color of the light-sensitive color layer 200 can be changed according to the change of the light intensity received by the surface of the photovoltaic panel 100, and the light-sensitive color layer 200 has a color indication effect on the light intensity of the surface of the photovoltaic panel 100. As the light energy is accumulated and irradiated on the surface of the photovoltaic panel 100, heat generated in the operation process of the photovoltaic device is superimposed, the surface temperature of the photovoltaic panel 100 is continuously increased, the operation of the photovoltaic device is easily caused by the overhigh temperature of the photovoltaic panel 100, the operation efficiency of the photovoltaic device is reduced, the service life of the photovoltaic device is reduced, and the like.
According to the preparation method of the photovoltaic module, the light-sensitive color layer 200 is arranged on the surface of the photovoltaic panel 100, the color of the light-sensitive color layer 200 can be changed along with the change of the light intensity received by the surface of the photovoltaic panel 100, and then the light-sensitive color layer 200 has a color indication function on the temperature of the surface of the photovoltaic panel 100. Under the condition that the light intensity received by the surface of the photovoltaic panel 100 changes, the color of the light-sensitive color layer 200 changes along with the change of the light intensity, the light absorption amount of different colors is different, the light-sensitive color layer 200 can play a role in blocking the continuous transmission of the heat energy converted by the light energy to the photovoltaic panel 100 when absorbing different light amounts under different colors, and then the surface temperature of the photovoltaic panel 100 can be adjusted by absorbing different light amounts by different colors. The light-sensitive color layer 200 receives an indication of light intensity on the surface of the photovoltaic panel 100, so that a relevant person can intuitively observe the light intensity on the surface of the photovoltaic panel 100, and further reflect the temperature change of the photovoltaic panel 100; the light-sensitive color layer 200 can play a role in blocking the continuous transmission of the heat energy converted by the light energy to the photovoltaic panel 100 by absorbing different light quantities under different colors, so that the temperature of the photovoltaic panel 100 can be regulated by absorbing different light quantities in different colors, the photovoltaic device can be protected, the photovoltaic device is prevented from being damaged by high temperature, and the service life and the working efficiency of the photovoltaic device are ensured.
In some embodiments, step S102 may include:
adding the photochromic material powder particles into the printing ink, and stirring for a set time to obtain the photochromic material. Illustratively, the particles of the photochromic material have a particle size ranging from 7 μm to 9 μm. The photochromic material powder particles need to be rapidly stirred in the printing ink, and the stirring time can be 5 to 10 minutes, so that the photochromic material powder particles are uniformly dissolved in the ultraviolet printing ink, and the photochromic material is obtained.
And coating or spraying the photochromic material on the surface of the photovoltaic plate to form a photochromic layer on the surface of the photovoltaic plate. The photosensitive color layer 200 can be formed by mixing the photosensitive color material powder particles with the ink and then coating or spraying the mixed ink on the surface of the photovoltaic panel 100.
In some embodiments, the photo chromic material particles used to form the photo color layer 200 may darken in color in response to an increase in the intensity of ultraviolet light received by the photovoltaic panel 100. The ultraviolet light intensity is improved, the light-sensitive color layer 200 is darker, the dark color is larger than the light-absorbing amount, the light-sensitive color layer 200 is darker under the condition that the surface light intensity of the photovoltaic panel 100 is improved, the light-absorbing amount of the darkened light-sensitive color layer 200 is improved, more light rays can be absorbed, the heat energy of blocking the light energy conversion is blocked in the light-sensitive color layer 200, the heat energy of avoiding more light energy conversion is transmitted to the photovoltaic panel 100, the continuous rising of the temperature of the photovoltaic panel 100 can be avoided, the temperature of the photovoltaic panel 100 is ensured to be kept in a proper range, the overheat damage of a photovoltaic device on the photovoltaic panel 100 is avoided, and the service life and the working efficiency of the photovoltaic panel 100 are ensured. Conversely, when the ultraviolet intensity is reduced, the light-sensitive color layer 200 becomes lighter, and the amount of absorbed light can be reduced.
Illustratively, the light absorbing amount is small in the case where the light-sensitive color layer 200 is white, and is large in the case where the light-sensitive color layer 200 is black.
In some embodiments, the coating or spraying the photochromic material on the surface of the photovoltaic panel to form a photochromic layer on the surface of the photovoltaic panel may further include:
and curing the photosensitive color layer by utilizing ultraviolet light.
For example, the ink may be ultraviolet-curable ink, the photosensitive color layer 200 may be ultraviolet-cured, the coated or sprayed photosensitive color layer 200 may be fixed on the surface of the photovoltaic panel 100, and the bonding strength after curing may reach 25N/cm or more. The ink jet amount can be 5-10 CC, the wavelength range of ultraviolet light can be 250-420 nm, and the ultraviolet light irradiation time can be 1-3 min or more than 3 min.
In some embodiments, fig. 6 is a schematic structural diagram of a light-sensitive color layer provided in the examples of the present application. As shown in fig. 6, the photochromic material may be dropped on the surface of the photovoltaic panel 100 in the shape of dots 201 to obtain a lattice of the photochromic material as the photochromic color layer 200, wherein the diameter of the dots 201 ranges from 0.5 to 1mm and the distance between adjacent dots ranges from 0.5 to 2mm. The instillation of the material may be performed using a UV printer, the final area of the dots 201 being based on the area after the diffusion after instillation is complete. Illustratively, each dot 201 is at a 45 angle to the line connecting the nearest two dots 201 in an adjacent row. The colors of the light-sensitive color layer 200 are presented as a color lattice, and the light-sensitive color coating of the lattice can be used as the light-sensitive color layer.
It should be noted that the dots may be regular circles or oval, which is determined by the process capability of the apparatus. The line between each dot 201 and the two dots 201 closest to each other in the adjacent rows is the line between the centers of the dots, or the line between the geometric center points, which is not specifically limited in the embodiment of the present application.
The overall duration of the preparation process of the photochromic material, the spraying of the photochromic material coating on the surface of the photovoltaic panel 100 and the curing of the photochromic material can be controlled to be about 30 minutes, and the color change performance of the photochromic material along with the light intensity change can be ensured.
In some embodiments, the method for preparing a photovoltaic module may further include:
and setting a ground color material layer, wherein the ground color material layer is arranged between the photovoltaic panel and the light-sensitive color layer, or the light-sensitive color layer is arranged between the photovoltaic panel and the ground color material layer. The base color material layer has a fixed color, is a base color of the photovoltaic module, can be any color, can play a role in marking the photovoltaic module, and is used as a distinction between different models, different uses or different manufacturers, and the like.
In some embodiments, the method for preparing a photovoltaic module may further include:
and mixing the ground color material with the light-sensitive color layer and then arranging the mixture on the surface of the photovoltaic panel. The light sensation color layer and the ground color material layer are mixed, so that the materials of the light sensation color layer and the ground color material layer can be mixed and then arranged on the surface of the photovoltaic panel, the material color of the ground color material layer is the base color of the photovoltaic module, and the color of the light sensation color layer is used for color change along with the change of temperature.
For example, referring to fig. 4, the light-sensitive color layer and the base color material layer are mixed to form a layer, the material of the light-sensitive color layer and the material of the base color material layer are mixed together and then are arranged on the surface of the photovoltaic panel, so that the mixed material layer 203 can be obtained, the color of the base color material in the mixed material layer 203 is the base color of the photovoltaic module, and the color change material in the mixed material layer 203 is used for performing color change along with the change of temperature.
In the foregoing embodiments, the descriptions of the embodiments are focused on, and for those portions of one embodiment that are not described in detail, reference may be made to the related descriptions of other embodiments.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-readable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-readable program code embodied therein.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.
While preferred embodiments of the present description have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the disclosure.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present specification without departing from the spirit or scope of the specification. Thus, if such modifications and variations of the present specification fall within the scope of the claims and the equivalents thereof, the present specification is also intended to include such modifications and variations.
Claims (6)
1. A photovoltaic module, comprising:
a photovoltaic panel provided with a plurality of photovoltaic devices for converting light energy into electrical energy;
the light-sensitive color layer is arranged on the surface of the photovoltaic panel and is used for deepening the color according to the improvement of the intensity of ultraviolet light received by the surface of the photovoltaic panel;
the light-sensitive color layer comprises light-sensitive color coatings in the shape of dots arranged in an array, the diameter range of each dot is 0.5-1 mm, the distance range between every two adjacent dots is 0.5-2 mm, and each dot forms a 45-degree angle with the connecting line of two closest dots arranged in adjacent rows;
the light-sensitive color layer is prepared by mixing light-sensitive color-changing material particles in printing ink;
the particle size of the photochromic material particles is in the range of 7 to 9 μm, and/or the mass ratio of the photochromic material particles in the ink is in the range of 2 to 20%.
2. The photovoltaic module of claim 1, further comprising:
a base color material layer;
the ground color material layer is arranged between the photovoltaic panel and the light-sensitive color layer; or alternatively, the first and second heat exchangers may be,
the light-sensitive color layer is arranged between the photovoltaic panel and the ground color material layer; or alternatively, the first and second heat exchangers may be,
the light-sensitive color layer and the ground color material layer are mixed.
3. A method for preparing a photovoltaic module according to claim 1 or 2, comprising:
preparing a photovoltaic panel, wherein the photovoltaic panel is provided with a plurality of photovoltaic devices, and the photovoltaic devices are used for converting light energy into electric energy;
a light sensation color layer is arranged on the surface of the photovoltaic panel, wherein the light sensation color layer is used for converting colors according to the light intensity received by the surface of the photovoltaic panel;
the surface of the photovoltaic panel is provided with a light-sensitive color layer, which comprises the following components:
adding the photochromic material powder particles into the printing ink, and stirring for a set time to obtain the photochromic material;
coating or spraying the photochromic material on the surface of the photovoltaic panel to form the photochromic layer on the surface of the photovoltaic panel;
or alternatively, the first and second heat exchangers may be,
and (3) dripping the photochromic material on the surface of the photovoltaic panel in the shape of dots to obtain a photo-sensitive material dot matrix to serve as a photo-sensitive color layer, wherein the diameter range of the dots is 0.5-1 mm, and the distance range between adjacent dots is 0.5-2 mm.
4. The method of manufacturing a photovoltaic module according to claim 3, wherein after the photochromic material is coated or sprayed on the surface of the photovoltaic panel to form the photosensitive color layer on the surface of the photovoltaic panel, further comprising:
and curing the light-sensitive color layer by utilizing ultraviolet light.
5. The method of manufacturing a photovoltaic module according to claim 3, further comprising:
setting a ground color material layer, wherein the ground color material layer is arranged between the photovoltaic panel and the light-sensitive color layer, or the light-sensitive color layer is arranged between the photovoltaic panel and the ground color material layer;
or alternatively, the first and second heat exchangers may be,
and mixing the material of the ground color material layer with the material of the light-sensitive color layer, and then setting the mixture on the surface of the photovoltaic panel.
6. The method for manufacturing a photovoltaic module according to claim 4, wherein,
the wavelength range of the ultraviolet light is 250nm to 420nm; and/or the number of the groups of groups,
the irradiation duration range of the ultraviolet light is 1min to 3min; and/or the number of the groups of groups,
the set time range is 5min to 10min; and/or the number of the groups of groups,
the preparation process temperature of the photochromic material and the curing process temperature of the photochromic color layer are both less than or equal to 200 ℃; and/or the number of the groups of groups,
and spraying the photochromic material on the surface of the photovoltaic panel, wherein the spraying amount of the photochromic material is 5-10 CC per square meter.
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| CN110607975B (en) * | 2019-09-12 | 2020-12-01 | 湖南大学 | Semi-transparent photovoltaic window with variable optical characteristics |
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