CN212013013U - Earphone assembly and audio charging wire - Google Patents

Abstract

The utility model discloses an earphone assembly and an audio charging wire, wherein the earphone assembly comprises an earphone body, a circuit board is arranged in the earphone assembly, a charging input interface and an audio input interface are arranged on the earphone body, and the audio input interface is electrically connected with the circuit board; and the rechargeable battery is arranged in the earphone body and is respectively electrically connected with the charging input interface and the circuit board. Compare with current wireless earphone, the utility model discloses be equipped with charging input interface and audio input interface on the earphone body, can receive audio signal through wired mode when charging to the function of broadcast task is carried out when realizing charging.

Description

Earphone assembly and audio charging wire

Technical Field

The utility model relates to an audio equipment technical field, in particular to earphone assembly and audio charging wire.

Background

The wireless earphone occupies the leading position of the earphone market due to the advantages of convenience in carrying, easiness in storage and the like. However, since the wireless headset generally adopts a battery to supply power, and the volume of the battery is limited by the volume of the wireless headset, at present, the battery endurance time of the wireless headset on the market is not ideal, and the wireless headset cannot perform a playing task when being charged, thereby reducing the user experience.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an earphone assembly can realize carrying out the function of broadcast task when charging.

The utility model discloses still provide an audio frequency charging wire of being applied to above-mentioned earphone subassembly.

On the first hand, the earphone assembly according to the embodiment of the present invention comprises an earphone body, a circuit board is arranged inside the earphone body, a charging input interface and an audio input interface are arranged on the earphone body, and the audio input interface is electrically connected with the circuit board; and the rechargeable battery is arranged in the earphone body and is respectively electrically connected with the charging input interface and the circuit board.

According to the utility model discloses earphone subassembly has following beneficial effect at least: compare with current wireless earphone, the utility model discloses be equipped with charging input interface and audio input interface on the earphone body, can receive audio signal through wired mode when charging to the function of broadcast task is carried out when realizing charging.

According to some embodiments of the present invention, the charging input interface employs a contact type terminal, and the audio input interface employs a contact pin type terminal;

or the charging input interface and the audio input interface both adopt contact pin type wiring terminals;

or the charging input interface and the audio input interface both adopt contact type wiring terminals, and a connecting bulge or a connecting concave cavity is further arranged on the earphone body.

According to some embodiments of the invention, the charging input interface employs a conductive contact or a conductive contact.

According to some embodiments of the invention, the charging input interface employs elastic conductive contacts.

According to some embodiments of the invention, the audio input interface employs a conductive pin or a conductive barrel.

In a second aspect, according to the utility model discloses audio charging wire is applied to foretell earphone subassembly, including the line body, the first end of the line body is provided with audio decoding power module and USB interface, the second end of the line body is provided with charge output interface and audio output interface, audio decoding power module's input with the USB interface, audio decoding power module's first output with charge output interface electric connection, audio decoding power module's second output with audio output interface electric connection.

According to the utility model discloses earphone subassembly has following beneficial effect at least: compare with current wireless earphone charging wire, the utility model discloses earphone charging wire accessible USB interface is connected with terminal equipment such as cell-phone, panel computer, and audio frequency decoding power module is used for acquireing the electric energy and the audio signal that come from terminal equipment to handle the back to electric energy and audio signal and export through charging output interface and audio output interface respectively, can realize power supply and transmission audio signal's synchronous going on, thereby realize that wireless earphone carries out the function of broadcast task when charging.

According to some embodiments of the present invention, the charging output interface is a contact type terminal, and the audio output interface is a contact type terminal;

or the charging output interface and the audio output interface both adopt contact pin type wiring terminals;

or the charging output interface and the audio output interface both adopt contact type wiring terminals, and a connecting bulge or a connecting concave cavity is further arranged on the earphone body.

According to the utility model discloses a some embodiments, the output interface that charges adopts electrically conductive contact, the audio output interface adopts electrically conductive patch pin.

According to some embodiments of the utility model, the audio frequency decoding power module is including all integrating the audio frequency decoding circuit on a PCB board and the line of walking that charges, the input of audio frequency decoding circuit with the first end of the line of walking that charges respectively with USB interface connection, the output of audio frequency decoding circuit with audio output interface connection, the second end of the line of walking that charges with output interface connection charges.

According to the utility model discloses a some embodiments, the audio frequency power module of decoding still includes protection circuit, protection circuit's input with USB interface connection, protection circuit's output is connected with audio frequency decoding circuit's input and the first end of walking the line that charges respectively.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a usage state of an earphone assembly and an audio charging wire according to an embodiment of the present invention;

fig. 2 is a schematic structural view of the earphone assembly shown in fig. 1;

FIG. 3 is an enlarged fragmentary view of circled location A in FIG. 2;

fig. 4 is a schematic structural diagram of a charging output interface and an audio output interface of the audio charging cord shown in fig. 1;

fig. 5 is one of the schematic block diagrams of the audio decoding power supply module of the audio charging cable according to the embodiment of the present invention;

fig. 6 is one of the schematic block diagrams of the audio decoding power supply module of the audio charging wire of the embodiment of the present invention

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, the above is understood to include the instant numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood 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 invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, the present embodiment discloses an earphone assembly, the earphone assembly 100 includes an earphone body 110 and a rechargeable battery (not shown) disposed inside the earphone body 110, the earphone body 110 is further provided with a circuit board (not shown) disposed inside, the circuit board is used for wirelessly connecting with a mobile phone or a tablet computer and performing an audio playing task, the earphone body 110 is provided with a charging input interface 111 and an audio input interface 112, the audio input interface 112 is electrically connected with the circuit board, and the rechargeable battery is electrically connected with the charging input interface 111 and the circuit board, respectively. It should be noted that, the circuit board of the present embodiment may adopt a circuit of an existing wireless headset, for example, a circuit of a true wireless bluetooth headset, and therefore, the present embodiment does not describe in detail a specific circuit on the circuit board, and a person skilled in the art can reasonably determine the function and the circuit structure of the circuit board of the present embodiment based on the prior art and in combination with the specific description of the present embodiment.

Referring to fig. 1 and 4, the present embodiment further discloses an audio charging cord, where the audio charging cord 200 includes a cord body 210, a first end of the cord body 210 is provided with an audio decoding power supply module 220 and a USB interface 230, a second end of the cord body 210 is provided with a charging output interface 240 and an audio output interface 250, an input end of the audio decoding power supply module 220 is connected to the USB interface 230, a first output end of the audio decoding power supply module 220 is electrically connected to the charging output interface 240, and a second output end of the audio decoding power supply module 220 is electrically connected to the audio output interface 250. Referring to fig. 3 and 4, the charging output interface 240 is matched with the charging input interface 111 in size and model, and the audio output interface 250 is matched with the audio input interface 112 in size and model. It should be noted that, according to different practical applications, the number of the charging output interfaces 240 and the number of the audio output interfaces 250 may be one, two, or more than three, please refer to fig. 1, in this embodiment, the second end of the wire body is branched, and each branched end is connected to one charging output interface 240 and one audio output interface 250, that is, the number of the charging output interfaces 240 and the number of the audio output interfaces 250 are two.

Compared with the existing wireless earphone charging wire, the earphone charging wire of the embodiment can be connected with terminal equipment such as a mobile phone or a tablet personal computer through the USB interface 230, the audio decoding power supply module 220 is used for acquiring electric energy and audio signals from the terminal equipment, and outputting the electric energy and the audio signals through the charging output interface 240 and the audio output interface 250 after processing the electric energy and the audio signals, so that the synchronous operation of supplying power and transmitting the audio signals can be realized. The audio charging cord 200 of the present embodiment can be used with the earphone assembly 100, when in use, the charging output interface 240 of the audio charging cord 200 is connected to the charging input interface 111 of the earphone assembly 100, so as to charge the earphone assembly 100, and the audio output interface 250 of the audio charging cord 200 is connected to the audio input interface 112 of the earphone assembly 100, so as to realize the wired transmission of the audio signal of the earphone assembly 100. The audio charging cord 200 of the present embodiment can transmit an audio signal when the earphone assembly 100 is charged, so that the earphone assembly 100 performs a playing task, which is beneficial to providing a good user experience.

Compared with the existing wireless earphone, the earphone component 100 of the embodiment supplies power to the circuit board through the rechargeable battery in a normal state, so that the earphone component 100 is in wireless communication connection with terminal equipment such as a mobile phone or a tablet computer and executes a playing task, when the rechargeable battery needs to be charged, the earphone component 100 is charged through the charging input interface 111, and meanwhile, an audio signal can be received through the audio input interface 112 in a wired mode, so that the function of executing the playing task during charging is realized.

In different embodiments, the structures of the charging input interface 111, the charging output interface 240, the audio input interface 112, and the audio output interface 250 may be different. In some embodiments, the charging input interface 111 employs a contact terminal, the audio input interface 112 employs a pin terminal, and correspondingly, the charging output interface 240 employs a contact terminal, and the audio output interface 250 employs a pin terminal. For example: referring to fig. 3 and 4, the charging input interface 111 adopts a male contact of a contact type terminal, the charging output interface 240 adopts a female contact of the contact type terminal, and a conductive path can be formed after the male contact and the female contact of the contact type terminal to realize electric energy transmission, so that the earphone assembly 100 is charged through the audio charging wire 200, the audio input interface 112 adopts a female contact of a contact type terminal, the audio output interface 250 adopts a male contact of the contact type terminal, and the male contact of the audio input interface 112 can form a conductive path after being inserted into the female contact of the audio input interface 112 to realize transmission of audio signals, so that the earphone assembly 100 can transmit audio signals in a wired manner. It is contemplated that the charging input interface 111 may employ a female contact terminal, the charging output interface 240 may employ a male contact terminal, the audio input interface 112 may employ a male pin terminal, and the audio output interface 250 may employ a female pin terminal.

In other embodiments, the charging input interface 111 and the audio input interface 112 both use pin terminals, and correspondingly, the charging output interface 240 and the audio output interface 250 both use pin terminals. For example, the charging input interface 111 and the charging output interface 240 respectively adopt a male terminal and a female terminal of a first pin type connection terminal, and the audio input interface 112 and the audio output interface 250 respectively adopt a male terminal and a female terminal of a second pin type connection terminal, wherein the sizes and models of the first pin type connection terminal and the second pin type connection terminal may be the same or different.

In other embodiments, the charging input interface 111 and the audio input interface 112 are both contact terminals, and correspondingly, the charging output interface 240 and the audio output interface 250 are both contact terminals. Because the contact type terminal block is contact conductive, in order to make the audio charging cord 200 and the earphone assembly 100 connected firmly, the earphone body 110 is further provided with a connecting protrusion (not shown), correspondingly, the second end of the audio charging cord 200 is provided with a cavity (not shown) matched with the protrusion in shape and size, and the protrusion can be inserted into the cavity to realize the connection of the audio charging cord 200 and the earphone body 110. It is contemplated that the protrusion may also be disposed at the second end of the audio cord 200 and the cavity may be disposed on the earphone body 110.

Referring to fig. 3 and 4, in some embodiments, the male terminal of the contact terminal is a conductive contact, and the female terminal of the contact terminal is a conductive contact, which can conduct electricity after contacting with the conductive contact, wherein the charging input interface 111 adopts the conductive contact or the conductive contact.

In order to ensure that the conductive contacts can make good contact with the conductive contacts, the charging input interface 111 employs elastic conductive contacts. When the audio charging cord 200 is connected to the headphone assembly 100, the charging input interface 111 and the charging output interface 240 can be surely abutted, and good contact can be ensured.

Referring to fig. 3 and 4, the male terminal of the pin terminal is a conductive pin, the female terminal of the pin terminal is a conductive barrel, and the conductive pin can be inserted into the conductive barrel to realize signal transmission, wherein the audio input interface 112 adopts the conductive pin or the conductive barrel, and the pin terminal can realize signal transmission and ensure that the audio charging wire 200 and the earphone are firmly connected.

Referring to fig. 5, the audio decoding power supply module 220 includes an audio decoding circuit 221 and a charging trace 222 both integrated on a PCB, an input end of the audio decoding circuit 221 and a first end of the charging trace 222 are respectively connected to the USB interface 230, an output end of the audio decoding circuit 221 is connected to the audio output interface 250, and a second end of the charging trace 222 is connected to the charging output interface 240. The USB interface 230 adopts a type-c interface, the audio decoding circuit 221 comprises an audio decoding chip with the model being BES3100, the audio decoding chip is small in size, the size of the audio decoding power supply module 220 is basically consistent with the size of the type-c interface, the audio decoding power supply module is beneficial to ensuring the small size of the audio charging wire 200, please refer to FIG. 1, the audio decoding power supply module 220 adopts colloid encapsulation, the audio decoding power supply module 220 can be prevented from being exposed, and the aesthetic degree of the audio charging wire 200 is beneficial to being improved.

Referring to fig. 6, in order to improve the circuit security, the audio decoding power supply module 220 further includes a Protection circuit 223, wherein the Protection circuit 223 employs an OCP (Over Current Protection) circuit and/or an OVP (Over Voltage Protection) circuit, an input end of the Protection circuit 223 is connected to the USB interface 230, and an output end of the Protection circuit 223 is connected to an input end of the audio decoding circuit 221 and the first end of the charging trace 222, respectively.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. An earphone assembly, comprising:

the earphone comprises an earphone body (110), wherein a circuit board is arranged inside the earphone body (110), a charging input interface (111) and an audio input interface (112) are arranged on the earphone body (110), and the audio input interface (112) is electrically connected with the circuit board;

and the rechargeable battery is arranged in the earphone body (110), and the rechargeable battery is respectively electrically connected with the charging input interface (111) and the circuit board.

2. The earphone assembly according to claim 1, wherein the charging input interface (111) employs a contact terminal, and the audio input interface (112) employs a pin terminal;

or the charging input interface (111) and the audio input interface (112) both adopt pin type wiring terminals;

or, the charging input interface (111) and the audio input interface (112) both adopt contact type wiring terminals, and a connecting bulge or a connecting concave cavity is further arranged on the earphone body (110).

3. The earphone assembly according to claim 2, wherein the charging input interface (111) employs conductive contacts or conductive contacts.

4. The earphone assembly according to claim 3, wherein the charging input interface (111) employs resilient conductive contacts.

5. The earphone assembly of claim 2 wherein the audio input interface (112) employs a conductive pin or barrel.

6. An audio charging cable applied to the earphone assembly according to any one of claims 1 to 5, wherein the audio charging cable comprises a cable body (210), a first end of the cable body (210) is provided with an audio decoding power supply module (220) and a USB interface (230), a second end of the cable body (210) is provided with a charging output interface (240) and an audio output interface (250), an input end of the audio decoding power supply module (220) is electrically connected with the USB interface (230), a first output end of the audio decoding power supply module (220) is electrically connected with the charging output interface (240), and a second output end of the audio decoding power supply module (220) is electrically connected with the audio output interface (250).

7. The audio charging cord according to claim 6, characterized in that the charging output interface (240) is a contact terminal, and the audio output interface (250) is a pin terminal;

or the charging output interface (240) and the audio output interface (250) both adopt pin type wiring terminals;

or, the charging output interface (240) and the audio output interface (250) both adopt contact type wiring terminals, and a connecting bulge or a connecting concave cavity is further arranged on the earphone body (110).

8. The audio charging cord according to claim 7, characterized in that the charging output interface (240) employs conductive contacts and the audio output interface (250) employs conductive pins.

9. The audio charging cable according to claim 6, wherein the audio decoding power supply module (220) comprises an audio decoding circuit (221) and a charging cable (222) both integrated on a PCB, an input end of the audio decoding circuit (221) and a first end of the charging cable (222) are respectively connected to the USB interface (230), an output end of the audio decoding circuit (221) is connected to the audio output interface (250), and a second end of the charging cable (222) is connected to the charging output interface (240).

10. The audio charging cable according to claim 9, wherein the audio decoding power supply module (220) further comprises a protection circuit (223), an input end of the protection circuit (223) is connected to the USB interface (230), and an output end of the protection circuit (223) is connected to an input end of the audio decoding circuit (221) and the first end of the charging cable (222), respectively.

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