CN218897289U

CN218897289U - Take NFC wireless bone conduction earphone of function that charges

Info

Publication number: CN218897289U
Application number: CN202223613256.9U
Authority: CN
Inventors: 周宝; 曾鸿
Original assignee: Dongguan Liesheng Electronic Co Ltd
Current assignee: Dongguan Liesheng Electronic Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-04-21
Anticipated expiration: 2032-12-30

Abstract

The utility model relates to the technical field of wearable audio equipment, in particular to a bone conduction earphone with an NFC wireless charging function, which comprises a shell, a sound generating device, a battery and a control board, wherein the sound generating device, the battery and the control board are arranged on the shell, the sound generating device and the battery are respectively and electrically connected with the control board, the bone conduction earphone further comprises an NFC receiving module for wirelessly charging with an external terminal, and the NFC receiving module is electrically connected with the control board and the battery. The utility model aims to provide a bone conduction earphone with an NFC wireless charging function, which can solve the problem that the bone conduction earphone needs to be charged by a special charger when powered off.

Description

Take NFC wireless bone conduction earphone of function that charges

Technical Field

The utility model relates to the technical field of wearable audio equipment, in particular to a bone conduction earphone with an NFC wireless charging function.

Background

The bone conduction earphone charging mode of the current mainstream is basically wired charging, and the wired charging needs to carry a charging wire and an adapter or a charging device at any time, so that the wired charging is troublesome to carry. If the wire and the adapter are forgotten to be carried when going out, the earphone cannot be used after the earphone consumes electricity, so that inconvenience is caused.

Disclosure of Invention

In order to overcome the defects and the shortcomings in the prior art, the utility model aims to provide the bone conduction earphone with the NFC wireless charging function, which can solve the problem that the bone conduction earphone needs to be charged by a special charger when the bone conduction earphone is powered off.

The utility model is realized by the following technical scheme:

the utility model provides a take NFC wireless bone conduction earphone of function that charges, includes the shell, installs in sound generating mechanism, battery, the control panel of shell, sound generating mechanism and battery are connected with the control panel electricity respectively, bone conduction earphone still includes the NFC receiving module that is used for doing wireless charge with external terminal, NFC receiving module is connected with control panel and battery electricity.

The control panel comprises a Bluetooth control circuit and a charging IC circuit, wherein the NFC receiving module, the battery and the sounding device are respectively and electrically connected with the Bluetooth control circuit, and the charging IC circuit is respectively and electrically connected with the NFC receiving module and the battery.

The bluetooth control circuit comprises a chip U2 with a model number of QCC 3044.

The charging IC circuit comprises a chip U8 with a model number of SGM41513, the NFC receiving module comprises a chip U1 with a model number of ST25DV04KC and an NFC coil, the VAC end of the chip U8 is electrically connected with the V_EH end of the chip U1, and the NFC coil is electrically connected with the GPO end, the SCL end and the SDA end of the chip U1 respectively.

The bone conduction earphone further comprises a charging interface, and the charging IC circuit is electrically connected with the charging interface.

The bone conduction earphone further comprises a filtering module and an antenna module, wherein the antenna module is electrically connected with the Bluetooth control circuit through the filtering module.

The utility model has the beneficial effects that:

according to the bone conduction earphone with the NFC wireless charging function, the NFC receiving module is arranged, when the earphone is powered off, the NFC receiving module of the earphone is close to the NFC transmitting module of intelligent equipment such as a mobile phone, wireless charging is achieved, a user can charge the earphone for emergency charging when wired charging cannot be achieved, and the problem that inconvenience is caused by the fact that the earphone needs to be charged through a special charger when powered off is solved.

Drawings

The utility model will be further described with reference to the accompanying drawings, in which embodiments do not constitute any limitation of the utility model, and other drawings can be obtained by one of ordinary skill in the art without inventive effort from the following drawings.

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a block diagram of the module of the present utility model.

Fig. 3 is a schematic circuit diagram of an NFC receiving module.

Fig. 4 is a schematic circuit diagram of the charging IC circuit.

Reference numerals

The antenna comprises a shell-100, a sound generating device-101, a battery-102, an NFC receiving module-103, a Bluetooth control circuit-104, a charging IC circuit-105, a charging interface-106, a filtering module-107 and an antenna module-108.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In order to solve the above-mentioned problems, the present embodiment discloses a bone conduction earphone with NFC wireless charging function, the structure of which is shown in fig. 1, and the block diagram of which is shown in fig. 2, the earphone includes a housing 100, a sound generating device 101 mounted on the housing 100, a battery 102, a control board, a filtering module 107 and an antenna module 108, the sound generating device 101 and the battery 102 are respectively electrically connected with the control board, the bone conduction earphone further includes an NFC receiving module 103 for wireless charging with an external terminal, and the NFC receiving module 103 is electrically connected with the control board and the battery 102.

In this embodiment, the sound generating device 101 is preferably a bone conduction transducer for transmitting bone conduction audio signals to the wearer; the battery 102 is preferably a lithium battery 102, and the NFC receiving module 103 is preferably an NFC Tag receiving coil.

Specifically, according to the bone conduction earphone with the NFC wireless charging function, through the NFC receiving module 103, when the earphone is powered off, the NFC receiving module 103 of the earphone is close to the NFC transmitting module of the intelligent equipment such as a mobile phone and the like, wireless charging is achieved, a user can charge the earphone for emergency charging when wired charging cannot be used, and the problem that inconvenience is caused by the fact that the earphone needs to be charged through a special charger when powered off is solved.

Specifically, the control board includes a bluetooth control circuit 104 and a charging IC circuit 105, the NFC receiving module 103, the battery 102 and the sound generating device 101 are respectively electrically connected with the bluetooth control circuit 104, and the charging IC circuit 105 is respectively electrically connected with the NFC receiving module 103 and the battery 102; in addition, the bone conduction headset further includes a charging interface 106, so that the present utility model can implement two charging modes.

Specifically, the charging IC circuit 105 includes a chip U8 with a model SGM41513, the NFC receiving module 103 includes a chip U1 with a model ST25DV04KC and an NFC coil, a VAC end of the chip U8 is electrically connected to a v_eh end of the chip U1, and the NFC coil is electrically connected to a GPO end, an SCL end, and an SDA end of the chip U1, respectively.

Note that, in the present embodiment, circuit schematic diagrams of the NFC receiving module 103 and the charging IC circuit 105 are shown in fig. 3 and fig. 4, and are not described herein again.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a take NFC wireless bone conduction earphone who charges function, includes the shell, installs in sound generating mechanism, battery and the control panel of shell, sound generating mechanism and battery are connected its characterized in that with the control panel electricity respectively: the bone conduction earphone further comprises an NFC receiving module used for wirelessly charging with an external terminal, and the NFC receiving module is electrically connected with the control board and the battery.

2. The bone conduction headset with an NFC wireless charging function according to claim 1, wherein: the control panel comprises a Bluetooth control circuit and a charging IC circuit, wherein the NFC receiving module, the battery and the sounding device are respectively and electrically connected with the Bluetooth control circuit, and the charging IC circuit is respectively and electrically connected with the NFC receiving module and the battery.

3. The bone conduction headset with an NFC wireless charging function according to claim 2, wherein: the Bluetooth control circuit comprises a chip U2 with the model number of QCC 3044.

4. The bone conduction headset with an NFC wireless charging function according to claim 2, wherein: the charging IC circuit comprises a chip U8 with the model number of SGM41513, the NFC receiving module comprises a chip U1 with the model number of ST25DV04KC and an NFC coil, the VAC end of the chip U8 is electrically connected with the V_EH end of the chip U1, and the NFC coil is electrically connected with the GPO end, the SCL end and the SDA end of the chip U1 respectively.

5. The bone conduction headset with an NFC wireless charging function according to claim 2, wherein: the bone conduction headset further comprises a charging interface, and the charging IC circuit is electrically connected with the charging interface.

6. The bone conduction headset with an NFC wireless charging function according to claim 2, wherein: the bone conduction earphone further comprises a filtering module and an antenna module, wherein the antenna module is electrically connected with the Bluetooth control circuit through the filtering module.