CN220254531U

CN220254531U - Mobile phone cover with controllable ink screen

Info

Publication number: CN220254531U
Application number: CN202221100516.XU
Authority: CN
Inventors: 游晓芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2023-12-26
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a mobile phone cover with a controllable ink screen, which comprises: the mobile phone case comprises a mobile phone case body, an NFC receiving coil, a circuit board and an electronic ink screen; the mobile phone cover is provided with a display window, and the electronic ink screen is arranged on the display window; the circuit board is respectively and electrically connected with the electronic ink screen and the NFC receiving coil; the NFC receiving coil can receive NFC magnetic field signals of the intelligent terminal, and generates electric signals to be transmitted to the circuit board. According to the utility model, a battery or a USB data interface structure is not required to be arranged in the mobile phone cover, so that the structure of the mobile phone cover is effectively simplified, the overall weight of the mobile phone cover after carrying the electronic ink screen is reduced, and the mobile phone cover is convenient to carry and use; and moreover, the patterns of the electronic ink screen can be changed according to the requirements of the user, so that the diversified appearance requirements of the user on the mobile phone casing are met.

Description

Mobile phone cover with controllable ink screen

Technical Field

The utility model relates to the technical field of mobile phone protective sleeves, in particular to a mobile phone sleeve with a controllable ink screen.

Background

In order to protect the mobile phone, the mobile phone protection sleeve is derived, the mobile phone protection sleeve circulated in the market at present has single function and fixed appearance patterns, and can not meet the diversified appearance requirements of users. The mobile phone protective sleeve with the electronic ink screen, which is developed in the market at present, adopts a Bluetooth communication or USB data interface structure in communication, wherein the mobile phone protective sleeve needs a battery, and the mobile phone protective sleeve needs a plug-in port connected with a mobile phone; the mobile phone case is thick and heavy, and is inconvenient to use. Therefore, the ink-screen type mobile phone case is not accepted by users in the market all the time.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the mobile phone cover with the controllable ink screen.

The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: a mobile phone case with a controllable ink screen, comprising: the mobile phone case comprises a mobile phone case body, an NFC receiving coil, a circuit board and an electronic ink screen;

the mobile phone cover is provided with a display window, and the electronic ink screen is arranged on the display window; the circuit board is respectively and electrically connected with the electronic ink screen and the NFC receiving coil; the NFC receiving coil can receive NFC magnetic field signals of the intelligent terminal, and generate electric signals to be transmitted to the circuit board.

Optionally, the mobile phone case main body is provided with an embedded groove, and one side of the embedded groove is provided with the display window; the electronic ink screen is arranged in the embedded groove.

Optionally, the outer fringe of inlaying the dress groove is equipped with a plurality of spacing breach, the outer fringe of electronic ink screen is equipped with a plurality of spacing convex part, spacing convex part with spacing breach looks adaptation.

Optionally, the NFC receiving coil is disposed on the circuit board.

Optionally, the NFC receiving coil and the circuit board are disposed above or below the electronic ink screen.

Optionally, the NFC receiving coil and the circuit board are disposed on a side of the electronic ink screen facing away from the display window.

Optionally, the NFC receiving coil and the circuit board are separately arranged; the NFC receiving coil is arranged on one side, away from the display window, of the electronic ink screen, and the circuit board is arranged above or below the electronic ink screen.

Optionally, the display window is made of a light-transmitting material.

Optionally, the display window protrudes out of the mobile phone case main body; or the display window is arranged flush with the mobile phone cover main body.

Optionally, the mobile phone case with the controllable ink screen further comprises a heat insulation protection film, and the heat insulation protection film is adhered to the inner side of the mobile phone case main body; the NFC receiving coil, the circuit board and the electronic ink screen are arranged between the mobile phone cover main body and the heat insulation protective film.

The electronic ink screen is generally composed of two substrates, electronic ink composed of countless tiny transparent particles is coated on the substrates, the particles are formed by sealing a plurality of black and white particles with positive and negative electricity in liquid microcapsules, and the charged particles with different colors can move in different directions due to different applied electric fields, so that the black or white effect is displayed on the surface of the display screen. Thus, black and white patterns and characters like printed matter can be displayed. One of the big characteristics of electronic ink screen is that the picture on the display screen can still remain after the power is interrupted, so the power is saved very much. Therefore, the pattern of the electronic ink screen can be changed by only connecting and controlling through a short power circuit.

The utility model has the beneficial effects that: the mobile phone cover is sleeved on the outer side of the intelligent terminal such as the mobile phone, the NFC module of the intelligent terminal can generate NFC magnetic field signals, and the NFC magnetic field signals carry data information of corresponding patterns. The NFC receiving coil of the mobile phone case can generate electric signals such as induction current and the like by receiving the NFC magnetic field signal and transmit the electric signals to the circuit board; the circuit board recognizes pattern information in the NFC magnetic field signal through the image processing module, so that the pattern of the electronic ink screen is changed and is displayed through the display window. According to the utility model, a battery or a USB data interface structure is not required to be arranged in the mobile phone cover, so that the structure of the mobile phone cover is effectively simplified, the overall weight of the mobile phone cover after carrying the electronic ink screen is reduced, and the mobile phone cover is convenient to carry and use; and moreover, the patterns of the electronic ink screen can be changed according to the requirements of the user, so that the diversified appearance requirements of the user on the mobile phone casing are met.

In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a mobile phone case with a controllable ink screen according to an embodiment of the present utility model;

FIG. 2 is a schematic view of another view of the case of FIG. 1 with a controllable ink screen;

FIG. 3 is an exploded view of the case of FIG. 1 with a controllable ink screen;

fig. 4 is a cross-sectional view of a mobile phone case with a controllable ink screen according to one embodiment of the present utility model.

Description of main reference numerals:

10. a mobile phone case main body; 11. displaying a window; 12. an embedding groove; 13. limiting notch; 20. an NFC receiving coil; 30. a circuit board; 40. an electronic ink screen; 41. a limit protrusion; 50. and a heat-insulating protective film.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, plural means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Examples

Referring to fig. 1 to 4, a mobile phone case with a controllable ink screen according to the present utility model includes: the mobile phone case comprises a mobile phone case body 10, an NFC receiving coil 20, a circuit board 30 and an electronic ink screen 40;

the mobile phone cover is provided with a display window 11, and the electronic ink screen 40 is arranged on the display window 11; the circuit board 30 is electrically connected with the electronic ink screen 40 and the NFC receiving coil 20 respectively; the NFC receiving coil 20 may receive the NFC magnetic field signal of the smart terminal, and generate an electrical signal to be transferred to the circuit board 30.

The electronic ink screen 40 is generally composed of two substrates, on which an electronic ink composed of numerous tiny transparent particles is coated, the particles are formed by sealing a plurality of black and white particles with positive and negative electricity in liquid microcapsules, and the charged particles with different colors can move in different directions due to different applied electric fields, so that a black or white effect is displayed on the surface of the display screen. Thus, black and white patterns and characters like printed matter can be displayed. A big feature of the electronic ink 40 is that the screen on the display screen remains after the power is turned off, so that it is very power-saving. Thus, the pattern of electronic ink screen 40 may be changed by only a brief power circuit connection control.

According to the utility model, the mobile phone cover is sleeved on the outer side of the intelligent terminal such as the mobile phone, and the NFC module of the intelligent terminal can generate an NFC magnetic field signal which carries data information of corresponding patterns. The NFC receiving coil 20 of the mobile phone case receives the NFC magnetic field signal, so as to generate an electric signal such as an induced current and transmit the electric signal to the circuit board 30; in one aspect, the induced current may provide an operating voltage for the circuit board 30; on the other hand, the circuit board 30 recognizes the pattern information in the NFC magnetic field signal through the image processing module, thereby changing the pattern of the electronic ink screen 40 and displaying it through the display window 11. According to the utility model, a battery or a USB data interface structure is not required to be arranged in the mobile phone cover, so that the structure of the mobile phone cover is effectively simplified, the overall weight of the mobile phone cover after carrying the electronic ink screen 40 is reduced, and the mobile phone cover is convenient to carry and use; moreover, the patterns of the electronic ink screen 40 can be changed according to the requirements of the user, so that the diversified appearance requirements of the user on the casing of the mobile phone case are met.

When the electronic ink screen 40 is specifically used, patterns or characters to be displayed on the electronic ink screen 40 are selected on an app and other intelligent control programs of the intelligent terminal such as the mobile phone, after selection is completed, the intelligent terminal such as the mobile phone generates NFC magnetic field signals through the NFC module, corresponding pattern data information is transmitted to the NFC magnetic field receiving coil, a short-term power supply circuit is provided for the circuit board 30, and after the short-term power supply circuit is identified by the image processing module, the image of the electronic ink screen 40 is changed, so that the operation is convenient.

In this embodiment, the mobile phone case body 10 is provided with an embedded groove 12, and one side of the embedded groove 12 is provided with a display window 11; the electronic ink screen 40 is mounted to the mounting recess 12. The embedding groove 12 is arranged corresponding to the display window 11, so that the electronic ink screen 40 is embedded and installed on the mobile phone cover main body 10.

Specifically, the outer edge of the embedded groove 12 is provided with a plurality of limiting notches 13, the outer edge of the electronic ink screen 40 is provided with a plurality of limiting convex parts 41, and the limiting convex parts 41 are matched with the limiting notches 13. The limit convex part 41 and the limit notch 13 are matched and installed, so that the electronic ink screen 40 is aligned with the mobile phone cover main body 10 for installation, the installation is more firm, and the mobile phone cover is not easy to shake or loosen.

In some embodiments, NFC receive coil 20 is disposed on circuit board 30. The NFC receiving coil 20 is arranged on the circuit board 30 and integrally formed with the circuit board 30, so that the NFC receiving coil 20 is convenient to manufacture, and the NFC receiving coil 20 can be arranged when the circuit board 30 is manufactured, so that the structure can be effectively simplified, and the installation is convenient.

Because of different mobile phones, the setting parts of the NFC module are different, and some NFC modules are arranged at the top of the mobile phone and are close to the camera; some are arranged in the middle or below the mobile phone. Therefore, when the NFC receiving coil 20 is arranged, it is necessary to match the model of the mobile phone and arrange the NFC receiving coil in various specifications.

In some embodiments, the NFC module of the handset is located at the top or bottom; the NFC module and the display window 11 of the mobile phone case have a space with dislocation or local dislocation in the vertical direction; the NFC receive coil 20 and the circuit board 30 are disposed above or below the electronic ink screen 40. The overall thickness of the mobile phone case can be effectively reduced through the arrangement structure.

In some embodiments, the NFC module of the mobile phone is located in the middle or below the mobile phone, where the NFC module substantially overlaps the display window 11 of the mobile phone case; accordingly, the NFC receiving coil 20 and the circuit board 30 are disposed on a side of the electronic ink screen 40 facing away from the display window 11. With this arrangement, the NFC receive coil 20, the circuit board 30, and the electronic ink screen 40 are stacked together.

Aiming at the situation that the NFC module of the mobile phone is positioned in the middle or below the mobile phone and is basically overlapped with the display window 11 of the mobile phone cover, the thickness of the mobile phone cover is further reduced. In other embodiments, the NFC receive coil 20 is provided separately from the circuit board 30; the NFC receiving coil 20 is disposed on a side of the electronic ink screen 40 facing away from the display window 11, and the circuit board 30 is disposed above or below the electronic ink screen 40. The NFC receiving coil 20 in a sheet shape is independently arranged at the back of the electronic ink screen 40; the relatively thick circuit board 30 is arranged above or below the ink screen and is arranged in a staggered manner with the display window 11 and the electronic ink screen 40, so that the overall thickness distribution is more uniform, and the overall thickness of the mobile phone cover can be effectively reduced.

In the present embodiment, the display window 11 is made of a light-transmitting material. The display window 11 is made of light-transmitting materials such as acrylic, so that the electronic ink screen 40 can be effectively protected, and meanwhile, the image information of the electronic ink screen 40 can be directly observed.

In some embodiments, in order to provide sufficient installation space for the electronic ink screen 40, the display window 11 is provided protruding from the case body 10.

In other embodiments, the mobile phone case body 10 has a sufficient thickness, and the electronic ink screen 40, the circuit board 30 and the NFC receiving coil 20 are arranged in a vertically staggered manner; the electronic ink screen 40 requires a narrower installation space, so the display window 11 does not need to protrude out of the mobile phone case body 10, and the display window 11 is arranged flush with the mobile phone case body 10.

In some embodiments, the mobile phone case with the controllable ink screen further includes a heat insulation protection film 50, and the heat insulation protection film 50 is adhered to the inner side of the mobile phone case body 10; the NFC receiving coil 20, the circuit board 30, and the electronic ink screen 40 are disposed between the mobile phone case body 10 and the heat insulation protective film 50. The heat insulation protective film 50 is adhered to the inner side of the mobile phone case body 10, and can be supported and adhered to the NFC receiving coil 20, the circuit board 30 and the electronic ink screen 40 in an auxiliary manner, so that loosening and shaking are prevented, and meanwhile, heat generated by the circuit board 30 is isolated.

Preferably, the heat-insulating protective film 50 is heat-insulating cotton coated with an adhesive paint layer toward one side of the display window 11. The heat insulation cotton can isolate the heat generated by the circuit board 30, and is soft and smooth at the inner side of the mobile phone cover, so that the mobile phone body is not easy to damage.

Of course, the present utility model is not limited to the above-described embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present utility model, and these equivalent modifications and substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. A mobile phone case with a controllable ink screen, comprising: the mobile phone case comprises a mobile phone case main body (10), an NFC receiving coil (20), a circuit board (30) and an electronic ink screen (40);

the mobile phone cover is provided with a display window (11), and the electronic ink screen (40) is arranged on the display window (11); the circuit board (30) is electrically connected with the electronic ink screen (40) and the NFC receiving coil (20) respectively; the NFC receiving coil (20) can receive NFC magnetic field signals of the intelligent terminal, and generate electric signals to be transmitted to the circuit board (30).

2. The mobile phone case with controllable ink screen according to claim 1, wherein: the mobile phone case body (10) is provided with an embedded groove (12), and one side of the embedded groove (12) is provided with the display window (11); the electronic ink screen (40) is mounted in the mounting groove (12).

3. The mobile phone case with controllable ink screen according to claim 2, wherein: the outer edge of the embedded groove (12) is provided with a plurality of limit gaps (13), the outer edge of the electronic ink screen (40) is provided with a plurality of limit protrusions (41), and the limit protrusions (41) are matched with the limit gaps (13).

4. The mobile phone case with controllable ink screen according to claim 1, wherein: the NFC receiving coil (20) is arranged on the circuit board (30).

5. The mobile phone case with controllable ink screen according to claim 4, wherein: the NFC receiving coil (20) and the circuit board (30) are arranged above or below the electronic ink screen (40).

6. The mobile phone case with controllable ink screen according to claim 4, wherein: the NFC receiving coil (20) and the circuit board (30) are arranged on one side of the electronic ink screen (40) away from the display window (11).

7. The mobile phone case with controllable ink screen according to claim 1, wherein: the NFC receiving coil (20) and the circuit board (30) are arranged in a split mode; the NFC receiving coil (20) is arranged on one side, deviating from the display window (11), of the electronic ink screen (40), and the circuit board (30) is arranged above or below the electronic ink screen (40).

8. The mobile phone case with controllable ink screen according to claim 1, wherein: the display window (11) is made of a light-transmitting material.

9. The mobile phone case with controllable ink screen according to claim 1, wherein: the display window (11) protrudes out of the mobile phone case main body (10); or the display window (11) is arranged flush with the mobile phone case main body (10).

10. The mobile phone case with controllable ink screen according to claim 1, wherein: the mobile phone cover with the controllable ink screen further comprises a heat insulation protection film (50), wherein the heat insulation protection film (50) is adhered to the inner side of the mobile phone cover main body (10); the NFC receiving coil (20), the circuit board (30) and the electronic ink screen (40) are arranged between the mobile phone cover main body (10) and the heat insulation protective film (50).