CN219801964U - Power supply module, charging device and electronic equipment based on organic photovoltaic cell - Google Patents
Power supply module, charging device and electronic equipment based on organic photovoltaic cell Download PDFInfo
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- CN219801964U CN219801964U CN202320290211.8U CN202320290211U CN219801964U CN 219801964 U CN219801964 U CN 219801964U CN 202320290211 U CN202320290211 U CN 202320290211U CN 219801964 U CN219801964 U CN 219801964U
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- Photovoltaic Devices (AREA)
Abstract
The utility model belongs to the technical field of charging devices, and particularly relates to a power supply module based on an organic photovoltaic cell, a charging device and an electronic device. The power supply module comprises a flexible organic photovoltaic cell assembly, at least one flexible film cover plate, a voltage stabilizing module and a module shell, wherein the flexible organic photovoltaic cell assembly comprises more than one organic photovoltaic cell, and each organic photovoltaic cell comprises a flexible substrate, an anode and a cathode; the module shell is provided with a through hole which is convenient for the electrode to extend outwards, and the anode and the cathode extend out of the through hole to be connected with off-grid electronic equipment. The power supply module designed by the utility model has a not-complicated structure, is convenient to realize light weight, ensures the stability of output voltage by the built-in voltage stabilizing module, changes the voltage level to a voltage level capable of supplying power or charging for off-grid electronic equipment, and the design mode of flexible materials can meet the requirement of stable electric quantity of the off-grid electronic equipment with different shapes.
Description
Technical Field
The utility model belongs to the technical field of charging devices, and particularly relates to a power supply module based on an organic photovoltaic cell, a charging device and electronic equipment.
Background
Along with the continuous abundance of off-grid electronic products, higher requirements are put forward on the power supply modes of the off-grid electronic products. In general, off-grid electronic devices are powered by dry batteries or secondary batteries, and require frequent recharging or battery replacement to ensure long-term use. Therefore, the utilization of renewable energy sources to power off-grid electronic devices is an effective and convenient way to reduce the use cost and ensure long-term use of the devices. At present, commercial inorganic photovoltaic cells have excellent photovoltaic performance outdoors, but have poor photoelectric conversion efficiency in indoor low-light environments. The novel organic photovoltaic cell can have high energy conversion efficiency outdoors and indoors and low toxicity, and is one choice of off-grid electronic equipment. Along with the development of the internet of things technology, the scale of off-grid electronic equipment is gradually changed gradually, however, integrating all the equipment into an organic photovoltaic cell inevitably increases the complexity of the internal structure of the equipment, increases the design and manufacturing cost, is unfavorable for the light weight of the equipment, and provides a charging device capable of meeting the charging requirements of all the off-grid electronic equipment.
Disclosure of Invention
The utility model aims to at least solve the problems that the complexity of the internal structure of the device is increased, the design and manufacturing cost is high, the device is not easy to lighten, the applicability is low and the like in the existing off-grid electronic device which needs to be integrated on an organic photovoltaic cell.
The aim is achieved by the following technical scheme:
in a first aspect, the utility model discloses a power module based on organic photovoltaic cells,
comprising the following steps:
flexible organic photovoltaic cell assembly: comprises more than one organic photovoltaic cell; the organic photovoltaic cell comprises a flexible substrate, an anode and a cathode;
at least one flexible film cover;
a voltage stabilizing module;
a module housing; the module shell is provided with through holes for the anode and the cathode to extend outwards; the anode and the cathode extend out of the through hole and are used for being connected with off-grid electronic equipment. The power supply module designed by the utility model has a not-complicated structure, is convenient to realize light weight, and the built-in voltage stabilizing module ensures the stability of output voltage and changes to a voltage level capable of supplying power or charging for off-grid electronic equipment, and the design mode of flexible materials is convenient to attach to power utilization devices with various different shapes, so that the stable electric quantity requirement of each off-grid electronic equipment is met.
In some embodiments of the present utility model, the organic photovoltaic cell may be one or more modules connected in series.
In some embodiments of the utility model, the flexible organic photovoltaic cell assembly may be connected to the voltage regulator module by wires.
In some embodiments of the present utility model, the voltage stabilizing module includes a voltage stabilizing chip and/or a voltage stabilizing circuit.
In some embodiments of the utility model, the voltage stabilizing chip is a BL8531-3.3 voltage conversion chip.
In some embodiments of the utility model, the off-grid electronic device comprises a notebook computer, a smart phone, a portable electric tool, and the like.
In some embodiments of the utility model, the flexible film cover sheet is transparent.
In some embodiments of the utility model, the flexible film cover is a piece of material comprising PET, PE, PI or other polymer.
In some embodiments of the present utility model, the module housing is flexible, and the material of the module housing includes flexible polymers such as silica gel, SEBS, PVC, and the like.
In some embodiments of the present utility model, when the flexible film cover is a flexible film upper cover, the cavity formed by the flexible film upper cover and the module housing is used for arranging the organic photovoltaic cell assembly, the voltage stabilizing module and other necessary circuits.
In some embodiments of the utility model, the flexible film cover plate is a flexible film upper cover plate and a flexible film lower cover plate.
In some embodiments of the present utility model, when the flexible film cover plate is a flexible film upper cover plate and a flexible film lower cover plate, the cavity formed by enclosing the flexible film upper cover plate, the flexible film lower cover plate and the module housing is used for arranging the organic photovoltaic cell assembly, the voltage stabilizing module and other necessary circuits.
In some embodiments of the utility model, the flexible substrate conforms to the flexible film cover sheet and both serve to achieve the same curvature when bent. The design mode is beneficial to improving the photoelectric conversion efficiency on one hand and meeting the requirements of off-grid electronic equipment with different structures or shapes on the other hand.
In some embodiments of the utility model, the flexible substrate is bonded to the flexible film cover sheet, preferably by optical adhesive bonding. The bonding degree between the flexible substrate and the flexible film cover plate is improved.
In some embodiments of the utility model, the optical adhesive is of a type conventional in the art.
In some embodiments of the present utility model, the optical adhesive is a sheet adhesive, and the sheet adhesive, the flexible substrate, and the flexible film cover plate are used to achieve the same curvature when bending. The flexible substrate and the flexible film cover plate are completely attached.
In some embodiments of the present utility model, one end of the anode and the cathode extending outwards from the through hole is connected to magnetic attraction electrodes, and each magnetic attraction electrode is used for being connected with off-grid electronic equipment. The magnetic attraction electrode can ensure that the magnetic attraction electrode is quickly connected with off-grid electronic equipment.
In some embodiments of the present utility model, the magnetic attraction electrode may be one set, or may be more than two sets, and is arranged on the surface of the module housing in an array manner.
In some embodiments of the present utility model, the shape of the magnetically attractable electrode may be circular, square, oval, or any other shape.
In some embodiments of the utility model, each magnetically attractable electrode is connected to off-grid electronics via a magnetically attractable adapter. By providing a convertible connection mode, the applicability of off-network electronic equipment can be expanded.
In some embodiments of the utility model, a receiving cavity for placing the magnetic adaptor is further provided on the module housing. The magnetic adapter can be effectively accommodated, and the loss rate of the magnetic adapter is reduced.
In some embodiments of the utility model, the magnetically attractable adaptor comprises any one of USB, micro USB or type-C.
In some embodiments of the present utility model, the magnetically attractive electrode is made of a material having magnetism or includes an electrode having no magnetism and a magnet, and the magnet is disposed in the module case.
In some embodiments of the present utility model, the magnetically attractive electrode is made of a magnetic material, which includes a magnetic material that is conventional in the art, such as neodymium rare earth, praseodymium or alloy materials.
In some embodiments of the utility model, the organic photovoltaic cell comprises, in order: flexible substrate, positive pole modification layer, active layer, negative pole modification layer, negative pole.
In some embodiments of the present utility model, the flexible substrate comprises any one or two of polyethylene terephthalate, polyimide, and polyethylene naphthalate.
In some embodiments of the present utility model, the anode and/or cathode comprises any one or two of ITO, FTO, silver nanowires, conductive metals, conductive polymers.
In some embodiments of the utility model, the conductive metal is a metal conventionally selected in the art, such as silver, aluminum, gold, copper, iron, or others.
In some embodiments of the utility model, the conductive polymer is a conductive polymer conventionally selected in the art, such as polypyrrole, polythiophene, polyaniline, and the like.
In some embodiments of the present utility model, the anode modification layer comprises PEDOT PSS, molybdenum trioxide, nickel oxide or other anode modification layers.
In some embodiments of the utility model, the cathode modification layer comprises any one of inorganic metals and their compounds, PFN and its derivatives, PDI and its derivatives, NDI and its derivatives.
In some embodiments of the utility model, the inorganic metal and its compounds comprise any one or two or more of zinc oxide, tin oxide, lithium fluoride, calcium.
In some embodiments of the utility model, the PFN and its derivatives comprise PFN, PFN-Br, PF3N, PF N-Br, and the like.
In some embodiments of the utility model, the PDI and its derivatives comprise PDI, PDIN, PDINO, PDINN and the like.
In some embodiments of the utility model, the NDI and derivatives thereof comprise NDI, NDI-B, NDI-N, and the like.
In some embodiments of the present utility model, the active layer may be a material disclosed in patent publication CN 111129308A.
In some embodiments of the present utility model, the active layer is selected to have high efficiency and high output power in outdoor and indoor light environments, and may be, but not limited to, PB2: FTCC-Br, PB2: FCC-Cl, PBDB-TF: GS-ISO, PBQx-TCl: BTA 3.
In some embodiments of the present utility model, the power module based on the organic photovoltaic cell can receive external light and also can convert light energy into electric energy in indoor light environment. The irradiation intensity of the indoor light environment is 10-10000 lux, and the indoor light source can be an LED lamp, a fluorescent lamp, an incandescent lamp, a halogen lamp, scattered sunlight and the like. The photoelectric conversion efficiency of about 30% can be realized in an indoor light environment. The external illumination includes direct sunlight or scattered sunlight.
In a second aspect, the present utility model discloses a charging device, which comprises the power supply module of the first aspect and further comprises conventional components in the field required by other charging devices.
In a third aspect, the utility model discloses an electronic device, which comprises off-grid electronic equipment, and further comprises the power supply module of the first aspect or the charging device of the second aspect. The power supply module can provide stable voltage and/or current for each off-grid electronic device with different shapes.
The beneficial effects of the technical scheme disclosed by the utility model are mainly shown as follows:
1. the power supply module designed by the utility model has a not-complicated structure, is convenient to realize light weight, ensures the stability of output voltage by the built-in voltage stabilizing module, changes to a voltage level capable of supplying power or charging for off-grid electronic equipment, and has a flexible material design mode which is convenient to be attached to power utilization devices with various different shapes, thereby meeting the stable electric quantity requirements of different off-grid electronic equipment.
2. The power supply module designed by the utility model can realize high energy conversion efficiency in outdoor and indoor low-light environments, wherein the photoelectric conversion efficiency can be realized by about 30% in common indoor illumination environments (10-1000 lux).
3. The power supply module designed by the utility model can be directly connected with off-grid electronic equipment through the magnetic attraction electrode or connected with the off-grid electronic equipment through the magnetic attraction adapter, so that the universality of the power supply module of the organic photovoltaic cell is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 schematically shows an exploded view of a power module according to an embodiment of the utility model;
fig. 2 schematically illustrates a schematic diagram of connection relationships of components in a power supply module according to an embodiment of the present utility model;
fig. 3 schematically shows a cross-sectional view of an organic photovoltaic cell according to an embodiment of the utility model;
FIG. 4 schematically shows an LED lamp spectral diagram according to an embodiment of the utility model;
fig. 5 schematically shows a current density-voltage curve of a power module according to an embodiment of the utility model under 500lux LED illumination.
Wherein, each reference numeral in the drawings indicates as follows:
100. a power supply module;
101. a flexible organic photovoltaic cell assembly; 101-1, a flexible substrate; 101-2, an anode; 101-3, an anode modification layer; 101-4, an active layer; 101-5, a cathode modification layer; 101-6, a cathode;
102. a flexible film cover plate; 103. a voltage stabilizing module; 104. a module housing; 105. a magnetic attraction electrode; 106. a receiving chamber; 107. and (5) sheet-shaped glue.
Detailed Description
The commercial inorganic photovoltaic cell in the prior art has excellent photovoltaic performance outdoors, but has poor photoelectric conversion efficiency in an indoor low-light environment. The novel organic photovoltaic cell can have high energy conversion efficiency outdoors and indoors and low toxicity, and is one choice of off-grid electronic equipment. Along with the development of the internet of things technology, the scale of off-grid electronic equipment is gradually changed gradually, however, integrating all the equipment into an organic photovoltaic cell inevitably increases the complexity of the internal structure of the equipment, the design and manufacturing cost is increased, the weight reduction of the equipment is not facilitated, and how to provide a charging device capable of meeting the charging requirements of all the off-grid electronic equipment is a technical problem to be solved.
In order to solve the technical problems, the utility model provides the power supply module based on the organic photovoltaic cell, which has a uncomplicated structure, is convenient to realize light weight, and the built-in voltage stabilizing module ensures the stability of output voltage and changes the voltage to a voltage level capable of supplying power or charging for off-grid electronic equipment. The design mode of the flexible material is convenient to attach to the electric devices with various different shapes, so that the stable electric quantity requirements of different off-grid electronic equipment are met.
For a better explanation of the present utility model, exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
Example 1
The embodiment discloses a power supply module based on an organic photovoltaic cell, as can be seen from fig. 1 and 2, the power supply module 100 includes a flexible organic photovoltaic cell assembly 101, at least one flexible film cover plate 102, a voltage stabilizing module 103 and a module housing 104, and the module housing 104 and the flexible film cover plate 102 enclose to form a cavity, and the cavity is used for setting the flexible organic photovoltaic cell assembly 101 and the voltage stabilizing module 103.
Wherein the flexible organic photovoltaic cell assembly 101 comprises more than one organic photovoltaic cell, as shown in fig. 3, each organic photovoltaic cell sequentially comprises: the flexible substrate 101-1, the anode 101-2, the anode modification layer 101-3, the active layer 101-4, the cathode modification layer 101-5 and the cathode 101-6, and the flexible film cover plate 102 is transparent, the flexible substrate 101-1 is bonded with the flexible film cover plate 102, preferably optical cement, and the bonding mode is favorable for improving the bonding degree between the flexible substrate 101-1 and the flexible film cover plate 102. And the optical adhesive is of a conventional type in the art. In order to achieve complete adhesion between the flexible substrate 101-1 and the flexible film cover plate 102, the optical adhesive is a sheet adhesive 107, and specifically, the sheet adhesive 107, the flexible substrate 101-1 and the flexible film cover plate 102 are used for achieving the same curvature when being bent. The module housing 104 may also be made of flexible materials, and each flexible material is a conventional material in the art, which is not described in detail in this embodiment.
Meanwhile, the organic photovoltaic cell may be one or more than two modules in series connection, the modules and the voltage stabilizing module 103 may be connected through wires, the voltage stabilizing module 103 includes a voltage stabilizing chip and/or a voltage stabilizing circuit, and the voltage stabilizing chip and/or the voltage stabilizing circuit are/is selected conventionally, which is not limited by a specific kind of embodiment, and the built-in voltage stabilizing module 103 ensures stability of output voltage and changes to a voltage level capable of supplying or charging power to off-grid electronic equipment.
In an embodiment, when the flexible film cover 102 is a flexible film upper cover, a cavity formed by enclosing the flexible film upper cover and the module housing 104 is used for arranging the flexible organic photovoltaic cell assembly 101, the voltage stabilizing module 103 and other necessary circuits. When the flexible film cover plate 102 is a flexible film upper cover plate and a flexible film lower cover plate, the hollow cavity formed by enclosing the flexible film upper cover plate, the flexible film lower cover plate and the module housing 104 is used for arranging the flexible organic photovoltaic cell assembly 101, the voltage stabilizing module 103 and other necessary circuits. The flexible film cover plate 102 is positioned on one side or two sides of the flexible organic photovoltaic cell assembly 101, and can realize the photoelectric conversion efficiency of about 30% when the irradiation intensity of the indoor light environment is 10-10000 lux.
In addition, in order to facilitate connection between the power supply module and the off-grid electronic device, through holes which facilitate outward extension of the anode 101-3 and the cathode 101-6 of the organic photovoltaic cell are formed in the module housing 104, wherein one ends of the anode 101-3 and the cathode 101-6, which extend outwards and extend out of the through holes, are connected with the magnetic attraction electrodes 105, and each magnetic attraction electrode 105 is used for being connected with the off-grid electronic device. The magnetically attractable electrode 105 can ensure quick connection to off-grid electronics. The magnetic electrodes 105 may be one or more than two groups, and are arranged on the surface of the module housing 104 in an array manner when the number of the magnetic electrodes is more than two groups. Therefore, the power supply module 100 can simultaneously supply power to one or more off-grid electronic devices. In order to be suitable for off-grid electronic equipment with various types of charging port requirements, a magnetic suction adapter can be further added, the magnetic suction electrode 105 is connected with the off-grid electronic equipment through the magnetic suction adapter, meanwhile, in order to effectively accommodate the magnetic suction adapter and reduce the loss rate of the magnetic suction adapter, an accommodating cavity 106 for accommodating the magnetic suction adapter can be optionally arranged on the module shell. The material, shape, model, etc. of the magnetic electrode and the magnetic adapter are not described in detail in this embodiment.
The power supply module may further include other components for realizing energy storage, or circuit control components, or switch valves, or display interfaces, etc., and be used to form a charging device suitable for practical use, which is not described in detail in this embodiment. The power supply module or the charging device is in a working state of being connected with off-grid electronic equipment, and the power supply module or the charging device is also in the protection scope of the utility model.
In order to better show the use effect of the power supply module disclosed by the utility model in an indoor environment, the utility model provides an embodiment 2.
Example 2
The active layer material of the organic photovoltaic cell of the power supply module is PB2:FCC-Cl system, the PB2:FCC-Cl system has high photoelectric conversion efficiency, and a BL8531-3.3 voltage conversion chip is adopted as a voltage stabilizing module, and the material of the magnetic attraction electrode is neodymium-iron-boron magnet.
The working area of the organic photovoltaic cell of the power supply module is 10cm 2 . The LED lamp with the illumination light source with the color temperature of 3000K and the power of 10W is applied indoors, the specific spectrum situation is shown in figure 4, the test result is shown in figure 5, the open-circuit voltage of the flexible organic photovoltaic cell is 0.907V and the short-circuit current is 62.9 mu A cm under the illumination condition of the 500lux LED -2 The fill factor was 76.2%, the photoelectric conversion efficiency was 27.6%, and the output power was 0.41mW. The voltage can be converted into 3.3V voltage by adopting the built-in voltage stabilizing module for the off-grid electronic equipment.
Therefore, the power supply module designed by the utility model can realize high energy conversion efficiency in outdoor and indoor low-light environments, wherein the photoelectric conversion efficiency can be realized by about 30% in common indoor illumination environments (10-1000 lux).
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (11)
1. A power module based on organic photovoltaic cells, comprising:
flexible organic photovoltaic cell assembly: the solar cell comprises more than one organic photovoltaic cell, wherein the organic photovoltaic cell comprises a flexible substrate, an anode and a cathode;
at least one flexible film cover;
a voltage stabilizing module;
a module housing; the module shell is provided with through holes for the anode and the cathode to extend outwards; the anode and the cathode extend out of the through hole and are used for being connected with off-grid electronic equipment.
2. The power module of claim 1, wherein the flexible substrate is attached to the flexible film cover.
3. The power module of claim 1 or 2, wherein the flexible substrate is bonded to the flexible film cover.
4. A power module according to claim 3, wherein the flexible substrate and the flexible film cover are bonded by optical adhesive;
the optical adhesive is sheet adhesive, and the sheet adhesive, the flexible substrate and the flexible film cover plate are used for realizing the same curvature when being bent.
5. The power supply module of claim 1, wherein one end of the anode and the cathode extending outwards from the through hole is connected with magnetic attraction electrodes, and each magnetic attraction electrode is used for being connected with off-grid electronic equipment.
6. The power module of claim 5, wherein each magnetically attractable electrode is connected to off-grid electronics via a magnetically attractable adapter.
7. The power module of claim 6, wherein the module housing further comprises a receiving cavity for receiving the magnetically attractable adapter.
8. The power module of claim 6 or 7, wherein the magnetically attractable adaptor comprises any one of USB, micro USB or type-C.
9. The power supply module according to claim 5, 6 or 7, wherein the magnetically attractive electrode is made of a magnetic material or comprises an electrode without magnetism and a magnet, and the magnet is arranged in the module housing.
10. A charging device, characterized in that it comprises a power supply module according to any one of claims 1 to 9.
11. An electronic device, characterized in that the device comprises off-grid electronic equipment, further comprising a power supply module according to any one of claims 1-9 or a charging device according to claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320290211.8U CN219801964U (en) | 2023-02-17 | 2023-02-17 | Power supply module, charging device and electronic equipment based on organic photovoltaic cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320290211.8U CN219801964U (en) | 2023-02-17 | 2023-02-17 | Power supply module, charging device and electronic equipment based on organic photovoltaic cell |
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