Mobile phone protection shell with display screen based on mobile phone power supply
By introducing a main control board and wireless or wired charging connector into the phone case, the power supply capacity of the phone is used to provide power to the display screen, solving the problem that existing mobile phone cases with display screens require separate battery or external wired power supply, achieving a thinner and more portable design and flexible charging options.
Patent Information
- Application Number
- CN202421511001.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-06-10
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing mobile phone case with display screen needs to be equipped with a separate battery or external wired power supply, resulting in increased housing thickness and inconvenient use.
By introducing a main control board and wireless or wired charging connector into the phone case, the power supply capacity of the phone is used to provide power to the display screen, avoiding the need for additional power.
The mobile phone case with display screen powered by the mobile phone solves the problems of increased housing thickness and inconvenience in use without additional power, provides flexible charging options, and improves the convenience of use.
Smart Images

Figure CN222967004U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mobile phone accessories, and specifically, mainly relates to a mobile phone case with a display screen powered by a mobile phone. Background Art
[0002] With the development of intelligent terminals such as mobile phones, smart phones have become an essential part of people's daily lives. At the same time, mobile phone cases have emerged with the development of mobile phones. Mobile phone cases are basically put on mobile phones to protect the mobile phones from being scratched or damaged, and can also be used to decorate mobile phones, etc.
[0003] A mobile phone case with a display screen is an innovative mobile phone protection accessory, which adds an additional display function on the basis of the traditional protection function. This kind of mobile phone case utilizes flexible screen technology or ink screen technology, allowing users to quickly view information such as time, notifications, weather, etc. without opening the main screen of the mobile phone to use mobile phone APPs, or to display the original image on the ink screen in the case of power loss. It meets the user's need for convenient information access and provides the possibility of personalized customization, such as displaying custom patterns or information.
[0004] In order to add a display screen to the back of the mobile phone case and hope that the mobile phone case can work independently, previous such mobile phone cases usually adopt methods such as NFC emission power supply and built-in battery power supply. However, in order for these mobile phone cases to work independently without the need for APP access, only batteries can be installed in the mobile phone case or external wired power supply can be used, resulting in too thick a mobile phone case and inconvenient use.
[0005] In view of this, it is necessary to improve the existing mobile phone cases. Content of the Utility Model
[0006] Aiming at the deficiencies of the prior art, the utility model provides a mobile phone case with a display screen powered by a mobile phone to solve the problem that the existing mobile phone cases need to be separately configured with batteries or external wired power supply, resulting in too large a thickness and inconvenient use. It is realized through the following technical solutions:
[0007] A mobile phone protection case with a display screen powered by a mobile phone includes a protection frame, a bottom plate, a display screen and a main control board. The bottom plate is installed in the protection frame, the display screen is installed on the bottom plate, the main control board is installed on the bottom plate, the display screen is electrically connected to the main control board, and the main control board is connected with an electric coil or a charging connector.
[0008] Preferably, the main control board is installed on one surface of the bottom plate, and the display screen is installed on the other surface of the bottom plate.
[0009] Preferably, a cover plate is also installed on the protective frame.
[0010] Preferably, the cover plate is provided with a transparent frame, and the display screen corresponds to the transparent frame.
[0011] Preferably, the main control board, the bottom plate, the display screen and the cover plate are stacked in sequence.
[0012] Preferably, the bottom plate is provided with a coil groove, and the electric coil is installed in the coil groove.
[0013] Preferably, the electric coil is a wireless power-taking electric coil.
[0014] Preferably, the protective frame is provided with a charging hole, and the charging connector is arranged at the charging hole.
[0015] Preferably, the charging connector is a lightning connector or a Type-C connector.
[0016] Preferably, the bottom plate is provided with an installation groove, and the display screen is embedded in the installation groove.
[0017] The beneficial effects of the present utility model are as follows:
[0018] 1. The main control board is electrically connected to the electric coil or the charging connector. The electric coil is wirelessly connected to the mobile phone through electromagnetic induction, enabling the mobile phone to supply power to the mobile phone protective case, and the charging connector directly supplies power to the protective case through the mobile phone power socket. The present utility model powers the display screen through the mobile phone without the need for an additional power source.
[0019] 2. Through two power supply methods, wireless and wired, flexible charging options are provided for the mobile phone protective case, solving the problems of the existing mobile phone protective cases that need to be separately configured with batteries or externally wired for power supply, with too large a thickness and inconvenient use. Users can choose wireless charging or wired charging through the bottom slot according to their needs, which not only improves the convenience of use but also increases the diversity of charging methods, making the protective case more practical and adaptable to different users' charging habits. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] The accompanying drawings described herein are used to provide a further understanding of the present application, and constitute a part of the present application. The illustrative embodiments and descriptions thereof of the present application are used to explain the present application and do not constitute an improper limitation of the present application. In the drawings:
[0021] Figure 1 is an exploded view of Embodiment 1 of the present utility model;
[0022] Figure 2 is another perspective exploded view of Embodiment 1 of the present utility model;
[0023] Figure 3 Explosion diagram of Embodiment 2 of the present utility model.
[0024] Explanation of reference numerals:
[0025] 1. Protection frame; 11. Cover plate; 111. Transparent frame; 12. Charging hole; 13. Button slot; 14. Volume hole; 2. Main control board; 3. Bottom plate; 31. Coil slot; 32. Installation slot; 33. Accommodation slot; 331. Through hole; 4. Display screen; 5. Electric coil; 6. Charging connector. Specific implementation manners
[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model; obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0027] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying the importance of the waterway.
[0028] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "provided with", "sheathed / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct waterway connection or an indirect waterway connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0029] Embodiment 1
[0030] Refer to Figure 1 and Figure 2, this embodiment relates to a mobile phone protective case with a display screen powered by a mobile phone, including a protective frame 1, a main control board 2, a bottom board 3, a display screen 4 and an electric coil 5. The protective frame 1 is a border with a closed area, used to closely fit the shape of the mobile phone. The bottom board 3 is installed inside the protective frame 1. The display screen 4 is installed on one side surface of the bottom board 3. The main control board 2 and the electric coil 5 are installed on the other side surface of the bottom board 3. The main control board 2 is electrically connected to the electric coil 5, and the display screen 4 is electrically connected to the main control board 1. The electric coil 5 is a wireless power-taking electric coil, used to enable the mobile phone to supply power to the display screen 4 through wireless charging.
[0031] Further, the main control board 2 is used to communicate with the communication module of the mobile phone, which is directly obtained from the prior art. Since it is not the inventive point of this application, its structure will not be specifically described, but it does not mean that this application cannot be implemented.
[0032] Further, the electric coil 5 is used to perform reverse charging from the mobile phone, which is directly obtained from the prior art. Since it is not the inventive point of this application, its structure will not be specifically described, but it does not mean that this application cannot be implemented.
[0033] Further, an installation groove 32 is opened on one side of the bottom board 3. The installation groove 32 is a groove structure. The display screen 4 is fixedly installed in the installation groove 32. A receiving groove 33 and a coil groove 31 are opened on the other side of the bottom board 3. The main control board 2 is installed in the receiving groove 33. The receiving groove 33 is provided with a through hole 331. The main control board 2 is electrically connected to the display screen 4 through the through hole 331. The coil groove 31 is a circular groove structure, and the electric coil 5 is installed in the coil groove 31.
[0034] Further, a cover plate 11 is installed inside the protective frame 1. The cover plate 11 is installed on the display screen 4 to cover the display screen 4. The cover plate 11 is provided with a transparent frame 111, and the transparent frame 111 is used to display the screen content of the display screen 4.
[0035] Further, the main control board 2, the bottom board 3, the display screen 4 and the cover plate 11 are stacked in sequence. Separating the components for design can better protect the main control board 2 and the display screen 4.
[0036] Further, the protective frame 1 is provided with a charging hole 12, a key slot 13 and a volume hole 14, used to correspond to the structure of the mobile phone.
[0037] Embodiment 2
[0038] Refer to Figure 3, The difference between this embodiment and Embodiment 1 is that the display screen 4 is powered by a wired connection method. The coil groove 31 is cancelled on the bottom plate 3, and the electric coil 5 on the main control board 2 is replaced by a charging connector 6. In this embodiment, the main control board 2 is electrically connected to the charging connector 6. The charging hole 12 is arranged in the middle of the bottom of the protection frame 1, and the charging connector 6 is arranged at the charging hole 12 for connecting to the mobile phone, enabling the mobile phone to supply power to the display screen 4.
[0039] Further, the charging connector 6 is a lightning connector or a Type-C connector.
[0040] The implementation principle of the present utility model is as follows:
[0041] The main control board 2 is electrically connected to the electric coil 5 or the charging connector 6. The electric coil 5 is wirelessly connected to the mobile phone through electromagnetic induction, enabling the mobile phone to supply power to the mobile phone case. The charging connector 6 directly supplies power to the case by connecting to the mobile phone power socket. Through the two power supply methods of wireless and wired, flexible charging options are provided for the mobile phone case, solving the problem that the existing mobile phone cases need to be separately configured with batteries or externally wired for power supply, which is too thick and inconvenient to use.
[0042] The above is only the implementation mode of the present utility model and is not used to limit the present utility model. For those skilled in the art, various changes and modifications can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the scope of the claims of the present utility model.
Claims
1. A mobile phone protective case with a display screen powered by a mobile phone, characterized in that: The device comprises a protective frame (1), a bottom plate (3), a display screen (4) and a main control board (2), wherein the bottom plate (3) is mounted in the protective frame (1), the display screen (4) is mounted on the bottom plate (3), the main control board (2) is mounted on the bottom plate (3), the display screen (4) is electrically connected to the main control board (2), and the main control board (2) is connected to an electric coil (5) or a charging connector (6); The protective frame (1) is installed with a cover plate (11); the main control board (2), the bottom plate (3), the display screen (4) and the cover plate (11) are stacked in sequence; the bottom plate (3) is provided with a coil slot (31), and the electric coil (5) is installed in the coil slot (31).
2. The mobile phone protective case with display screen based on mobile phone power supply according to claim 1, characterized in that: The main control board (2) is mounted on one surface of the base plate (3), and the display screen (4) is mounted on another surface of the base plate (3).
3. The mobile phone protective case with display screen based on mobile phone power supply according to claim 1, characterized in that: The cover plate (11) is provided with a transparent frame (111), and the display screen (4) corresponds to the transparent frame (111).
4. The mobile phone protective case with display screen based on mobile phone power supply according to claim 1, characterized in that: The electric coil (5) is a wireless power collection electric coil.
5. The mobile phone protective case with display screen based on mobile phone power supply according to claim 1, characterized in that: The protection frame (1) is provided with a charging hole (12), and the charging connector (6) is arranged at the charging hole (12).
6. The mobile phone protective case with display screen based on mobile phone power supply according to claim 1, characterized in that: The charging connector (6) is a lightning connector or a Type-C connector.
7. The mobile phone protective case with display screen based on mobile phone power supply according to claim 1, characterized in that: The bottom plate (3) is provided with a mounting groove (32), and the display screen (4) is embedded in the mounting groove (32).