A foldable replaceable back cover of a power generation mobile phone shell

Abstract

The utility model discloses a kind of foldable replaceable power generation mobile phone shell, belong to solar mobile phone shell field, include shell, photovoltaic module, battery management system and control circuit, shell is composed of back shell and shell cover, back shell is detachably arranged on the back of shell cover, and both form containing groove by enclosing;Photovoltaic module is foldable and placed in containing groove, by several foldable power generation film, one end is connected shell cover, and the other end is detachably arranged on back shell;Shell cover is built-in battery management system and control circuit, and is equipped with charge-discharge connector.Power generation film uses folding design, can reduce product thickness when folding up, light and thin portable, when unfolding, can increase power generation area, improve power generation efficiency;In addition, the design of replaceable back shell can meet the needs of different users for product diversification, multi-color and multi-pattern.

Description

Technical Field

[0001] This utility model belongs to the field of solar-powered mobile phone cases, and relates to a foldable and replaceable back cover power-generating mobile phone case. Background Technology

[0002] As mobile phones are essential communication tools, people often need to carry power banks to ensure they have sufficient battery power when out and about. To address this issue, solar-powered phone cases have been designed. Existing solar-powered phone cases either have a single built-in solar panel, resulting in relatively low charging efficiency; others use a large external solar panel or a folded design with multiple thick solar panels, leading to significant gaps and an overall thicker product. This design makes it difficult for existing solar-powered phone cases to simultaneously meet the demands of portability and efficient charging. Utility Model Content

[0003] The purpose of this utility model is to provide a foldable and replaceable back cover power-generating mobile phone case, which solves the problems in the background technology and meets the needs of mobile phone use and charging when going out.

[0004] The objective of this utility model is achieved through the following technical solution: A foldable, replaceable back cover power-generating mobile phone case, comprising: The housing consists of a back shell and a cover, the back shell being detachably mounted on the back of the cover, and the back shell and the cover forming a receiving groove. A photovoltaic module is foldable and placed in the receiving slot. The photovoltaic module includes several foldable power generation films. One end of the photovoltaic module is connected to the shell cover, and the other end is detachably mounted on the back shell. The casing has a built-in battery management system and control circuit, and is equipped with a charging and discharging connector.

[0005] As a further improvement of one embodiment of the present invention, the back shell is provided with a slot, and one end of the photovoltaic module is inserted into the slot.

[0006] As a further improvement of one embodiment of the present invention, the back shell is magnetically connected to one end of the photovoltaic module.

[0007] As a further improvement of one embodiment of the present invention, the cover is provided with a display screen for displaying power information.

[0008] As a further improvement of one embodiment of the present invention, the photovoltaic module includes a cellulose acetate cloth, on which a plurality of power generation films are spaced apart, and busbars are provided on the power generation films. The busbars of the power generation films are connected by a conductive fabric tape, and the conductive fabric tape, the busbars, and the seams of adjacent power generation films are all covered with cellulose acetate cloth.

[0009] As a further improvement of one embodiment of the present invention, the thickness of the acetate fiber cloth is between 70-90 micrometers, the thickness of the conductive tape is between 20-40 micrometers, and the gap between two adjacent power generation films is greater than 1 millimeter.

[0010] As a further improvement of one embodiment of the present invention, the power generation film is folded in an odd number of folds.

[0011] As a further improvement of one embodiment of the present invention, the connection between the photovoltaic module and the shell can be configured in two ways: one is to install a power generation film at the connection, and the other is not to install a power generation film at the connection.

[0012] As a further improvement of one embodiment of the present invention, the connection between the photovoltaic module and the back cover can be configured in two ways: one is to install a power generation film at the connection, and the other is not to install a power generation film at the connection.

[0013] As a further improvement of one embodiment of the present invention, the back shell and the cover are connected by magnetic attraction.

[0014] The above technical solution has the following advantages: the power generation membrane adopts a foldable design, which reduces the product thickness when folded up, making it lighter and easier to carry. When in use, it can be unfolded to have a larger power generation area and improve power generation efficiency. At the same time, the replaceable back cover design can meet the diverse needs of different users for products with multiple colors and patterns. Attached Figure Description

[0015] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0016] The structures, proportions, sizes, etc. shown in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0017] Figure 1 A three-dimensional structural diagram of this utility model.

[0018] Figure 2 This is a top view of the structure provided for this utility model.

[0019] Figure 3 for Figure 2 A cross-sectional view along the AA direction.

[0020] Figure 4 A schematic diagram of the first state structure provided by this utility model.

[0021] Figure 5 This is a schematic diagram of the second state structure provided by the present invention.

[0022] Figure 6 This is a partial three-dimensional schematic diagram of the present invention.

[0023] In the picture: 1. Back shell; 2. Shell cover; 21. Viewing window; 3. Photovoltaic modules; 31. Power-generating membrane; 32. Acetate fiber cloth; 4. Storage battery; 5. Charging / discharging connector; 6. Display screen; 7. Control circuit. Detailed Implementation

[0024] In this utility model, unless otherwise stated, directional terms such as "upper," "lower," "top," and "bottom" are generally used in relation to the direction shown in the accompanying drawings, or in relation to the vertical, perpendicular, or gravitational direction of the component itself; similarly, for ease of understanding and description, "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0025] First embodiment, such as Figures 1-6As shown, a foldable and replaceable back cover power-generating mobile phone case includes components such as a housing, a photovoltaic module 3, and a battery 4. The housing consists of a back cover 1 and a cover 2, which are detachably connected, for example, by magnetic attraction. The back cover 1 and cover 2 together form a receiving groove, within which the photovoltaic module 3 can be folded and placed. The cover 2 has a phone slot adapted to the shape of the mobile phone for secure placement.

[0026] The photovoltaic module 3 includes several foldable power-generating films 31, which can be made of high-efficiency power-generating materials such as perovskite and copper indium gallium selenide. One end of the photovoltaic module 3 is fixedly connected to the housing cover 2, and the other end is detachably mounted on the back cover 1. In use, the photovoltaic module 3 can be flexibly folded and placed in the receiving slot.

[0027] Similar to existing technologies, a battery 4 is built into the housing 2, and is stably electrically connected to the photovoltaic module 3 via wires to ensure the successful storage of electrical energy generated by the photovoltaic module 3. A charging / discharging connector 5 is provided on the housing 2, which can be designed as a Type-C interface or other suitable type according to actual needs. The charging / discharging connector 5 is connected to the battery 4 through the battery management system and control circuit 7. A control switch allows for convenient control of the battery 4's external power supply, improving ease of use and safety.

[0028] Similar to existing technologies, a battery management system and control circuit 7 are housed inside the casing 2. The charging / discharging connector 5, control switch, and battery 4 are all connected to the battery management system and control circuit 7. The battery management system and control circuit 7 ensures a stable and safe charging process, achieving efficient energy management.

[0029] This embodiment adds a display screen 6 to the original structure. The display screen 6 is a common LCD screen, securely mounted in a suitable position inside the back cover 1. A corresponding viewing window 21 is provided on the cover 2 for observing the display screen 6. The display screen 6 is reliably connected to the control circuit 7 via a ribbon cable or other connection method. The control circuit 7 acquires the battery power information of the battery 4 in real time and transmits it to the display screen 6 for display, allowing the user to intuitively understand the battery status of the phone case.

[0030] In this embodiment, a magnetic connection is used to achieve a convenient and stable connection between the back shell 1 and the cover 2. Specifically, magnetic elements, such as neodymium iron boron magnets, are embedded in corresponding positions on the back shell 1 and the cover 2. The attraction between the magnetic poles makes the two fit tightly together, which is convenient for users.

[0031] Meanwhile, the photovoltaic module 3 and the back cover 1 can be connected by magnetic attraction or plug-in connection, which is convenient for quick replacement of the back cover 1 according to actual needs, and can meet the diverse needs of different users for products with multiple colors and patterns.

[0032] When a plug-in connection is used, a slot specifically for placing one end of the photovoltaic module 3 is provided on the back cover 1. The size of this slot is adapted to the end of the photovoltaic module 3, allowing one end of the photovoltaic module 3 to be easily inserted and removed into the slot. There are two feasible equivalent implementation methods for the slot's track design. One is a continuous track, i.e., a continuous groove structure from the slot entrance to the interior. This design makes the insertion of the photovoltaic module 3 smoother and provides better overall stability. The other is a discontinuous track, composed of multiple spaced small groove segments, which can save materials to a certain extent while ensuring the basic positioning of the end of the photovoltaic module 3.

[0033] When a magnetic connection is used, magnetic elements, such as neodymium iron boron magnets, are embedded in the corresponding positions of the back shell 1 and the photovoltaic module 3. The attraction between the magnetic poles makes the two fit tightly together, preventing the photovoltaic module 3 from accidentally falling off during use.

[0034] The photovoltaic module 3 in this embodiment includes a cellulose acetate cloth 32, which serves as a substrate material and possesses good flexibility and durability. A plurality of power-generating films 31 are distributed at regular intervals on the cellulose acetate cloth 32; this arrangement ensures that the photovoltaic module 3 has sufficient bending space when folded.

[0035] Busbars are provided on the power generation film 31 to collect the current generated by the power generation film 31. The busbars of the power generation film 31 are connected by conductive fabric tape. The conductive fabric tape not only has conductive properties, but also, due to its own fabric characteristics, can better adapt to the folding requirements of the photovoltaic module 3.

[0036] To further protect the internal structure, cellulose acetate cloth 32 is applied to the conductive fabric tape, busbars, and seams of adjacent photovoltaic films 31. This cellulose acetate cloth 32 provides dustproof, waterproof, and physical protection, preventing external factors from damaging the internal conductive structure and extending the service life of the photovoltaic module 3.

[0037] The manufacturing process of photovoltaic module 3 is as follows: Step 1: During the encapsulation of the power generation film 31, the copper busbars on both sides of the power generation film 31 are symmetrically exposed. Common copper material can be used for the copper busbars to ensure good conductivity, and the width and length of the busbars can be designed appropriately according to the actual dimensions of the power generation film 31.

[0038] Step 2: Fold the busbars on both sides of the power generation film 31 toward the bottom surface of the power generation film, and use the conductive adhesive on the busbars to stick them to the encapsulation film on the bottom surface of the power generation film to form a terminal, in preparation for subsequent circuit connection.

[0039] Step 3: Arrange the power generation film 31 prepared in Step 2 according to the spacing requirements. The gap between two adjacent power generation films 31 should be greater than 1 mm. The specific spacing distance can be adjusted within the range of 1 mm to a custom distance according to actual needs. This gap can leave enough bending space for the folding of the photovoltaic module 3 to avoid damage during folding.

[0040] Step 4: Use a 20-40 micrometer thick conductive fabric tape (preferably 30 micrometers) to connect it to the terminal on the same side as the power generation film 31 in step 3, and make sure it crosses the seam between the two power generation films 31 to ensure that the current can be smoothly conducted.

[0041] Step 5: Finally, cover the bottom surface of the power generation film 31 with a 70-90 micrometer thick cellulose acetate cloth (preferably 80 micrometers), covering the busbars, the conductive adhesive on the fabric, and the seams, thereby forming a complete photovoltaic module 3 and protecting the internal structure.

[0042] The photovoltaic module 3 prepared by the specific method described above has significant advantages. Its overall thickness is extremely thin, with the power-generating film 31 employing an odd number of folds, such as three or five folds. This folding design significantly reduces the space required when folded, resulting in a thinner and lighter overall phone case that is easier to carry and use. Furthermore, within a limited thickness, more power-generating films 31 can be placed, effectively improving power generation efficiency. During assembly, both the photovoltaic module 3 portion connected to the cover 2 and the photovoltaic module 3 portion connected to the back cover 1 can be configured in two ways: either with a power-generating film at the connection point, or without one.

[0043] The power-generating phone case provided by this utility model features a cleverly folded design for the power-generating film 31. When not in use, the film can be tightly folded away, effectively reducing the overall thickness of the product and making the phone case thinner and lighter, making it easier for users to carry. When power generation is needed, it can be unfolded to provide a larger power-generating area, significantly improving power generation efficiency. The back cover 1 is designed to be replaceable, allowing users to change to different colors, patterns, or materials according to their personal preferences, greatly improving the diversity of the product's appearance and enhancing the user experience. In addition, the phone case is equipped with a display screen 6, which can intuitively display the product's charging and discharging status, allowing users to keep track of battery information at any time and use the phone with greater peace of mind.

[0044] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0045] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0046] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A foldable, replaceable back cover power-generating mobile phone case, characterized in that, include: The housing consists of a back shell and a cover, the back shell being detachably mounted on the back of the cover, and the back shell and the cover forming a receiving groove. A photovoltaic module is foldable and placed in the receiving slot. The photovoltaic module includes several foldable power generation films. One end of the photovoltaic module is connected to the shell cover, and the other end is detachably mounted on the back shell. The casing has a built-in battery management system and control circuit, and is equipped with a charging and discharging connector.

2. The power-generating mobile phone case according to claim 1, characterized in that, The back cover is provided with a slot, and one end of the photovoltaic module is inserted into the slot.

3. The power-generating mobile phone case according to claim 1, characterized in that, The back cover is magnetically connected to one end of the photovoltaic module.

4. The power-generating mobile phone case according to claim 2 or 3, characterized in that, The cover is equipped with a display screen for displaying power information.

5. The power-generating mobile phone case according to claim 1, characterized in that, The photovoltaic module includes a cellulose acetate cloth, on which several power generation films are spaced apart. Each power generation film is provided with a busbar, and the busbars of the power generation films are connected by a conductive fabric tape. The conductive fabric tape, the busbars, and the seams of adjacent power generation films are all covered with cellulose acetate cloth.

6. The power-generating mobile phone case according to claim 5, characterized in that, The thickness of the cellulose acetate cloth is between 70 and 90 micrometers, the thickness of the conductive tape is between 20 and 40 micrometers, and the gap between two adjacent power-generating films is greater than 1 millimeter.

7. The power-generating mobile phone case according to claim 5, characterized in that, The power-generating film is folded in an odd number of folds.

8. The power-generating mobile phone case according to claim 5, characterized in that, The connection between the photovoltaic module and the casing can be configured in two ways: one is to install a power generation film at the connection, and the other is not to install a power generation film at the connection.

9. The power-generating mobile phone case according to claim 5, characterized in that, The connection between the photovoltaic module and the back cover can be configured in two ways: one is to install a power generation film at the connection, and the other is not to install a power generation film at the connection.

10. The power-generating mobile phone case according to claim 1, characterized in that, The back shell and the cover are connected by magnetic attraction.

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