Mobile phone shell rear cover with wireless charging structure

Abstract

The utility model discloses a mobile phone shell rear cover with a wireless charging structure, which comprises a rear cover body, the rear cover body is provided with an accommodating cavity, the bottom surface of the accommodating cavity is respectively provided with a wireless charging coil mounting hole and a groove surface, the groove surface is provided with a plurality of lens holes penetrating through the two surfaces, and the back surface of the rear cover body is provided with a plurality of lens holes penetrating through the two surfaces. The rear cover body is provided with an annular groove surrounding the wireless charging coil mounting hole, the side peripheral surface of the rear cover body is transparent, and a plurality of marquee mounting slots are arranged along the peripheral side wall of the accommodating cavity; the mobile phone shell has a wireless charging function, and the wireless charging coil is arranged in the rear cover of the mobile phone shell, so that a user can realize wireless charging without dismounting the mobile phone shell, and the mobile phone shell is more convenient to use. The mobile phone shell has personalized design: the side peripheral surface of the rear cover body is transparent, and the plurality of horse race lamp mounting slots are arranged along the peripheral side wall of the accommodating cavity, so that horse race lamps can be mounted to realize personalized lighting effect, and the attractiveness and interestingness of the mobile phone shell are improved.

Description

Technical Field

[0001] This utility model relates to a mobile phone case back cover, specifically a mobile phone case back cover with a wireless charging structure. Background Technology

[0002] As smartphones become increasingly feature-rich, their power consumption also rises, leading to higher demands from users for extended battery life. Wireless charging, as a convenient charging method, is gradually becoming a standard feature of smartphones. However, most existing phone cases and back covers only offer basic protection and cannot meet users' needs for wireless charging. Some phone cases and back covers with wireless charging functionality suffer from poor structural design, low charging efficiency, and poor heat dissipation, and also lack personalized design elements, failing to meet the increasingly diverse needs of users. Utility Model Content

[0003] The purpose of this utility model is to provide a mobile phone case back cover with a wireless charging structure to solve the problems mentioned in the background art.

[0004] To solve the above technical problems, the present invention is achieved through the following solution: The present invention provides a mobile phone case back cover with a wireless charging structure, including a back cover body, the back cover body having an accommodating cavity, the bottom surface of the accommodating cavity being provided with a wireless charging coil mounting hole and a groove surface, the groove surface being provided with a plurality of lens holes penetrating both sides, the back side of the back cover body being provided with an annular groove surrounding the wireless charging coil mounting hole, the side peripheral surface of the back cover body being provided with a transparent color, and a plurality of scrolling light mounting slots being provided along the peripheral sidewall of the accommodating cavity;

[0005] The annular groove is equipped with a wireless charging coil.

[0006] The back cover of the phone case is also equipped with a circuit board that controls the operation of the wireless charging coil. The circuit board is equipped with an MCU, and it is also equipped with an expansion connector CN2, a multi-task processing circuit, and a male output circuit that are respectively connected to the MCU.

[0007] The expansion connector is connected to the multitasking processing circuit, and the multitasking processing circuit is connected to the male output circuit;

[0008] The multitasking circuit includes a first transistor Q10, a second transistor Q9, a third transistor Q8, a fourth transistor Q11, a resistor R24, a capacitor C30, a resistor R23, a resistor R25, a diode D9, and a resistor R26.

[0009] The first circuit V6 of the MCU is connected to the drain of the first transistor Q10. The base of the first transistor Q10 is connected to resistors R23 and R25, and the base of the second transistor Q9. The other end of resistor R23 is connected to expansion connector CN2, and the other end of resistor R25 is grounded. The source of the second transistor Q9 is grounded, and its drain is connected to the base of the third transistor Q8 and resistor R24. The other end of resistor R24 ​​is connected to the source of the third transistor Q8, capacitor C30, and the source of the first transistor Q10. The drain of the third transistor Q8 is connected to expansion connector CN2.

[0010] The second circuit of the MCU, PWR_ID, is connected to the drain of the fourth transistor Q11. The source of the fourth transistor Q11 is connected to the output male connector CN1, and its base is connected to the negative terminal of the Zener diode D9 and the resistor R26. The other end of the resistor R26 is grounded, and the positive terminal of the Zener diode D9 is connected to the expansion connector CN2.

[0011] Furthermore, the bottom surface of the accommodating cavity is covered with a release paper.

[0012] Furthermore, a high-resolution lens and an explosion-proof lens are sequentially fixed at the outer opening of the lens hole from the inside out.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model has a wireless charging function: by setting a wireless charging coil inside the back cover of the phone case, users can achieve wireless charging without removing the phone case, making it more convenient to use.

[0015] 2. This utility model features a personalized design: the side surface of the back cover body is made transparent, and multiple mounting slots for running lights are provided along the periphery of the accommodating cavity, which can be used to install running lights to achieve personalized lighting effects, enhancing the aesthetics and fun of the phone case.

[0016] 3. This utility model has a multi-task processing circuit: By setting up a multi-task processing circuit, intelligent control of the wireless charging process can be realized, improving charging efficiency and safety.

[0017] 4. This utility model has a lens protection function: a high-lens lens and an explosion-proof lens are fixed to the outer opening of the lens hole in sequence, which protects the mobile phone lens without affecting the photo taking effect, and can also prevent the lens from being scratched and broken.

[0018] 5. This utility model incorporates an isolation design: the bottom surface of the accommodating cavity is covered with insulating paper, which can effectively isolate the heat generated by the wireless charging coil and prevent the heat from being transferred to the mobile phone, thus affecting the normal use of the mobile phone. Attached Figure Description

[0019] Figure 1This is a first-view structural diagram of the back cover of the mobile phone case of this utility model.

[0020] Figure 2 This is a second-view structural diagram of the back cover of the mobile phone case of this utility model.

[0021] Figure 3 This is a structural diagram of the installation of the high-lens lens and explosion-proof lens of this utility model.

[0022] Figure 4 For the circuit board control of this utility model

[0023] Figure 5 This is a circuit diagram of the expansion connector of this utility model.

[0024] Figure 6 This is the circuit diagram of the multitasking processor of this utility model.

[0025] Figure 7 This is the output circuit diagram of the male connector of this utility model.

[0026] The attached diagram is labeled as follows: 1. Mounting slot for the running light; 2. Mounting hole for the wireless charging coil; 3. Slot surface; 31. Lens hole; 311. Explosion-proof lens; 312. High-resolution lens. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model. Obviously, the embodiments described in this utility model are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0029] Example 1: The specific structure of this utility model is as follows:

[0030] Please refer to the appendix. Figure 1-7This utility model discloses a mobile phone case back cover with a wireless charging structure, including a back cover body. The back cover body has a receiving cavity. The bottom surface of the receiving cavity is provided with a wireless charging coil mounting hole 2 and a groove surface 3. The groove surface 3 is provided with a plurality of lens holes 31 that pass through both sides. The back side of the back cover body is provided with an annular groove 21 surrounding the wireless charging coil mounting hole 2. The side peripheral surface of the back cover body is made transparent. Along the peripheral side wall of the receiving cavity, a plurality of running light mounting slots 1 are provided. The running light mounting slots 1 are used to install running lights, which are turned on and off according to the mobile phone battery level.

[0031] The annular groove 21 is equipped with a wireless charging coil for wireless transmission.

[0032] The back cover of the phone case is also equipped with a circuit board that controls the operation of the wireless charging coil. The circuit board is equipped with an MCU, and it is also equipped with an expansion connector CN2, a multi-task processing circuit, and a male output circuit that are respectively connected to the MCU.

[0033] The expansion connector is connected to the multitasking processing circuit, and the multitasking processing circuit is connected to the male output circuit;

[0034] The multitasking circuit includes a first transistor Q10, a second transistor Q9, a third transistor Q8, a fourth transistor Q11, a resistor R24, a capacitor C30, a resistor R23, a resistor R25, a diode D9, and a resistor R26.

[0035] The first circuit V6 of the MCU is connected to the drain of the first transistor Q10. The base of the first transistor Q10 is connected to resistors R23 and R25, and the base of the second transistor Q9. The other end of resistor R23 is connected to expansion connector CN2, and the other end of resistor R25 is grounded. The source of the second transistor Q9 is grounded, and its drain is connected to the base of the third transistor Q8 and resistor R24. The other end of resistor R24 ​​is connected to the source of the third transistor Q8, capacitor C30, and the source of the first transistor Q10. The drain of the third transistor Q8 is connected to expansion connector CN2. It uses an expansion connector of model LIGHT-FEMALE10P.

[0036] The second circuit of the MCU, PWR_ID, is connected to the drain of the fourth transistor Q11. The source of the fourth transistor Q11 is connected to the output male connector CN1, and its base is connected to the negative terminal of the Zener diode D9 and the resistor R26. The other end of the resistor R26 is grounded, and the positive terminal of the Zener diode D9 is connected to the expansion connector CN2.

[0037] The bottom surface of the accommodating cavity is covered with a release paper.

[0038] The lens aperture 31 has a high-resolution lens 312 and an explosion-proof lens 311 fixed sequentially from the inside out on the outer opening.

[0039] like Figure 4 As shown, since the power output plug occupies the phone's charging and data transmission ports, this embodiment adds a multitasking circuit to select the power protocol circuit 4 (…). Figure 6 B1 in the diagram connects to the power output plug, or CN2 (CN2 is an expansion connector) connects to the output male connector CN1 to serve as the power and data source.

[0040] When V7=0V, it means that there is no external power supply to the expansion connector CN2, and the mobile phone protocol circuit B4 is selected.

[0041] When V1 and RX_ID are connected to V6 and PWR_ID of the output male connector CN1;

[0042] When V7=5V, it means that the expansion connector CN2 has an external power supply of 5V. Select V7 to connect to V6 and disconnect the connection between RX_ID and PWR_ID.

[0043] In summary, this utility model has a wireless charging function: by setting a wireless charging coil inside the back cover of the phone case, users can achieve wireless charging without removing the phone case, making it more convenient to use.

[0044] This utility model features a personalized design: the side surface of the back cover body is made transparent, and multiple LED mounting slots are provided along the periphery of the cavity, allowing for the installation of LEDs to achieve personalized lighting effects and enhance the aesthetics and fun of the phone case.

[0045] This invention features a multi-task processing circuit: by setting up the multi-task processing circuit, intelligent control of the wireless charging process can be achieved, improving charging efficiency and safety.

[0046] This utility model has a lens protection function: a high-lens lens and an explosion-proof lens are fixed to the outer opening of the lens hole in sequence. While protecting the mobile phone lens, it does not affect the photo taking effect and can also prevent the lens from being scratched and broken.

[0047] This utility model incorporates an isolation design: the bottom surface of the accommodating cavity is covered with insulating paper, which can effectively isolate the heat generated by the wireless charging coil and prevent the heat from being transferred to the mobile phone, thus affecting the normal use of the mobile phone.

[0048] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural or procedural transformations made based on the contents of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A mobile phone case back cover with a wireless charging structure, comprising a back cover body having a receiving cavity, the bottom surface of which is respectively provided with a wireless charging coil mounting hole (2) and a groove surface, the groove surface being provided with a plurality of lens holes (31) penetrating both sides, and the back side of the back cover body being provided with an annular groove (21) surrounding the wireless charging coil mounting hole (2), characterized in that, The side surface of the back cover body is made transparent, and multiple LED mounting slots (1) are provided along the periphery of the accommodating cavity. The annular groove (21) is equipped with a wireless charging coil; The back cover of the phone case is also equipped with a circuit board that controls the operation of the wireless charging coil. The circuit board is equipped with an MCU, and it is also equipped with an expansion connector CN2, a multi-task processing circuit, and a male output circuit that are respectively connected to the MCU. The expansion connector is connected to the multitasking processing circuit, and the multitasking processing circuit is connected to the male output circuit; The multitasking circuit includes a first transistor Q10, a second transistor Q9, a third transistor Q8, a fourth transistor Q11, a resistor R24, a capacitor C30, a resistor R23, a resistor R25, a diode D9, and a resistor R26. The first circuit V6 of the MCU is connected to the drain of the first transistor Q10. The base of the first transistor Q10 is connected to resistors R23 and R25, and the base of the second transistor Q9. The other end of resistor R23 is connected to expansion connector CN2, and the other end of resistor R25 is grounded. The source of the second transistor Q9 is grounded, and its drain is connected to the base of the third transistor Q8 and resistor R24. The other end of resistor R24 ​​is connected to the source of the third transistor Q8, capacitor C30, and the source of the first transistor Q10. The drain of the third transistor Q8 is connected to expansion connector CN2. The second circuit of the MCU, PWR_ID, is connected to the drain of the fourth transistor Q11. The source of the fourth transistor Q11 is connected to the output male connector CN1, and its base is connected to the negative terminal of the Zener diode D9 and the resistor R26. The other end of the resistor R26 is grounded, and the positive terminal of the Zener diode D9 is connected to the expansion connector CN2.

2. A mobile phone case back cover with a wireless charging structure according to claim 1, characterized in that, The bottom surface of the accommodating cavity is covered with a release paper.

3. The mobile phone case back cover with wireless charging structure according to claim 1, characterized in that, The lens hole (31) is fixed with a high-resolution lens (312) and an explosion-proof lens (311) in sequence from the inside to the outside.

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