CN218071781U

CN218071781U - Wireless audio adapter

Info

Publication number: CN218071781U
Application number: CN202222407546.1U
Authority: CN
Inventors: 谢坤秀; 谢承霖; 颜卓诚
Original assignee: Shenzhen Badasheng Electronics Co ltd
Current assignee: Shenzhen Badasheng Electronics Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2022-12-16
Anticipated expiration: 2032-09-07

Abstract

The utility model relates to a wireless adapter technical field especially relates to a wireless audio adapter, and it includes audio frequency SOC chip, accumulate unit, is used for first joint and the second that is connected with audio equipment to connect, and first joint, second joint, accumulate unit all are connected with audio frequency SOC chip electricity, and first joint is connected with accumulate unit electricity. The audio adapter has the effect of improving the universality of the audio adapter.

Description

Wireless audio adapter

Technical Field

The present application relates to the field of wireless adapters, and more particularly, to a wireless audio adapter.

Background

The current game players pay more and more attention to the experience of the game, and when playing the game, the users need to clearly hear the sound of the game background and also need to clearly hear the chat sound transmitted by remote teammates through the equipment. The bluetooth adapter is usually connected to the game device, and serves as an audio transmission medium to transmit game background sounds and teammate sounds out of a matched bluetooth headset, so that game players can hear the sounds of the game background sounds and the teammate sounds at the same time.

However, the USB connector of microsoft Xbox One game console has been specially set when it leaves the factory, and does not support audio transmission, and only the audio connector of 3.5mm can be used for audio transmission. For Sony PS5/PS4 or Nintendo Switch, etc., its USB connector may be used for audio transmission. However, existing bluetooth adapters typically have only a USB connector or only an audio connector.

Regarding the related art, it is considered that there is a defect that the versatility of the bluetooth adapter is not high.

Disclosure of Invention

In order to make the commonality of audio frequency adapter wider, can connect in Type-C socket, also can connect in 3.5mm quadrupole socket, this application provides a wireless audio frequency adapter.

The application provides a wireless audio adapter adopts following technical scheme:

a wireless audio adapter comprises an audio SOC chip, a power storage unit, a first joint and a second joint, wherein the first joint and the second joint are used for being connected with audio equipment, the first joint, the second joint and the power storage unit are electrically connected with the audio SOC chip, and the first joint is electrically connected with the power storage unit.

Through adopting above-mentioned technical scheme, set up the commonality that the joint of two different functions can improve the adapter. The adapter is equipped with the accumulate function, lets the adapter connect when unable external device for its power supply, and this adapter still can carry out work through inside accumulate.

Preferably, the audio SOC chip is an integrated chip.

By adopting the technical scheme, the chip in the existing audio adapter usually adopts a combined chip with more than two chips, so that the adapter can be placed with a plurality of chips only if the size of the adapter is relatively large enough. And by adopting an integrated chip, all functions are integrated into one chip, so that the volume of the wireless audio adapter is reduced.

Preferably, the first connector is a Type-C plug.

Through adopting above-mentioned technical scheme, most audio equipment's interface on the market all is USB's Type-C interface, and first joint adopts the demand that Type-C plug is the adaptation equipment.

Preferably, the Type-C plug includes a first positive electrode signal terminal, a first negative electrode signal terminal, a first ground terminal and a first level connection terminal, the first positive electrode signal terminal and the first negative electrode signal terminal are respectively electrically connected to the audio SOC chip, and the first level connection terminal is electrically connected to the power storage unit.

Preferably, the second connector is a 3.5mm four-pole plug.

By adopting the technical scheme, the interface of partial audio equipment on the market is a 3.5mm four-pole socket, and the second joint adopts a 3.5mm four-pole plug to meet the requirement of the equipment.

Preferably, the 3.5mm four-pole plug includes a sound channel input terminal, a sound channel output terminal and an audio terminal, the sound channel input terminal and the sound channel output terminal are respectively electrically connected with the audio SOC chip, and the audio terminal is electrically connected with the sound channel output terminal.

Preferably, the power storage unit is electrically connected with the audio SOC chip, and the power storage unit is externally connected with a rechargeable battery.

Through adopting above-mentioned technical scheme, when adopting Type-C plug connection, can realize the audio transmission, can also realize the function of charging, with electric energy storage to rechargeable battery in.

Preferably, the wireless audio adapter further comprises an antenna, the antenna is electrically connected with the audio SOC chip, and the operating frequency of the antenna is 2.4GHz.

By adopting the technical scheme, compared with the Bluetooth technology, the 2.4G technology has millisecond-level response and lower delay time exceeding the resolution of human ears; and the anti-interference performance is strong, and the sound output by the matched earphone is high-fidelity sound.

Preferably, a signal attenuation unit is coupled to the sound channel output terminal.

By adopting the technical scheme, the tone quality of the sound can be influenced by the excessively strong signal. By coupling the signal attenuation unit, the sound quality of the output sound is high.

Preferably, the wireless audio adapter further comprises a power switch and a multifunctional switch, the power switch and the multifunctional switch are respectively electrically connected with the audio SOC chip, the power switch is a toggle switch, and the multifunctional switch is a touch switch.

By adopting the technical scheme, only necessary switches are reserved, and the multifunctional switch can realize operations such as short pressing, double clicking and the like by programming the chip, so that multifunctional conversion is realized, the operation is simple and convenient, and the use experience is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. be provided with Type-C plug and 3.5mm four poles plug on this wireless audio adapter, two kinds of plug types make the application scope of adapter wider, all can use on computer, flat board, cell-phone, and the applicable Microsoft Xbox One of a wireless audio adapter, the PS5/PS4 of Sony or the game machines of different types such as Switch in nintendo.

2. Adopt the integration chip, only need a chip alright satisfy multi-functional setting for the audio frequency adapter is more miniaturized, conveniently carries.

3. When the wireless audio adapter is applied to a game machine, a user can simultaneously hear game background sound and the talking and chatting sound of remote teammates, and the aim of chatting while playing games is fulfilled.

Drawings

Fig. 1 is a block diagram of a wireless audio adapter according to an embodiment of the present application.

Fig. 2 is a circuit schematic diagram of an audio SOC chip according to an embodiment of the present application.

Fig. 3 is a schematic circuit diagram of a signal processing unit according to an embodiment of the present application.

Fig. 4 is a schematic circuit diagram of a first connector according to an embodiment of the present application.

Fig. 5 is a schematic circuit diagram of an electric storage unit according to an embodiment of the present application.

Fig. 6 is a schematic circuit diagram of a second connector of an embodiment of the present application.

Description of reference numerals:

1. an audio SOC chip; 2. an antenna; 3. an electricity storage unit; 4. a signal processing unit; 5. a Type-C plug; 6. a 3.5mm four-pole plug; 71. a power switch; 72. a multifunctional switch; 8. a signal attenuation unit; 9. a charge indicator light; 10. and a working indicator light.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a wireless audio adapter.

Referring to fig. 1, the wireless audio adapter provided in the embodiment of the present application includes an audio SOC chip 1, an antenna 2, an electricity storage unit 3, a signal processing unit 4, a first connector, and a second connector, where the electricity storage unit 3, the signal processing unit 4, a signal attenuation unit 8, the first connector, and the second connector are all electrically connected to the audio SOC chip 1, and the antenna 2 and the audio SOC chip 1 are connected through the signal processing unit 4.

In this embodiment, the first connector is a Type-C plug 5, the second connector is a 3.5mm four-pole plug 6, the operating frequency of the antenna 2 is 2.4GHz, and the signal processing unit 4 is a 2.4GHz wireless module.

Referring to fig. 1, the wireless audio adapter further includes a power switch 71 and a multi-function switch 72, and the power switch 71 and the multi-function switch 72 are electrically connected to the audio SOC chip 1, respectively. The power switch 71 is a toggle switch, and can perform operations of turning on and off.

The multi-function switch 72 is a touch switch, and can perform the expansion of the burning program and the switch function. Functions such as program upgrading, code matching, microphone muting and the like are achieved through short-time pressing, double-click, long-time pressing and the like, physical function keys are few, operation is simple and convenient, and use experience is improved.

Referring to fig. 1, the wireless audio adapter further includes a charging indicator lamp 9 and a working indicator lamp 10, and the charging indicator lamp 9 and the working indicator lamp 10 are respectively electrically connected to the audio SOC chip 1 and are all patch type light emitting diodes. The charge indicator light 9 can provide a charge indication function status indication for the wireless audio adapter, and the work indicator light 10 can provide a work function status indication for the wireless audio adapter.

Referring to fig. 2, the audio SOC chip 1 is an integrated chip, model WS200, and packaged as QFN48.

Referring to fig. 3, the signal processing unit 4 includes a capacitor C18, a capacitor C19, and a resistor R12, the pin 21 RF of the audio SOC chip 1 is a radio frequency terminal, one end of the resistor R12 is electrically connected to the pin 21, the other end of the resistor R12 is electrically connected to the antenna 2, the capacitor C19 is connected in parallel between the pins R12 and R21, the capacitor C18 is connected in parallel between the resistor R12 and the antenna 2, and the other end of the antenna 2 is grounded.

Referring to fig. 4, the type-C plug 5 includes a first positive signal terminal D +, a first negative signal terminal D-, a first ground terminal GND, and a first level connection terminal VBUS electrically connected to the power storage unit, the pin 39 of the audio SOC chip 1 being electrically connected to the first positive signal terminal D +, the pin 38 of the audio SOC chip 1 being electrically connected to the first negative signal terminal D-.

In this embodiment, the first positive signal terminal D + is electrically connected to the positive electrode of the external data line, the first negative signal terminal D-is electrically connected to the negative electrode of the external data line, the first level connection terminal VBUS is electrically connected to the positive electrode of the external power line, and the first ground terminal GND is electrically connected to the negative electrode of the external power line.

Referring to fig. 1 and 5, the electric storage unit 3 is externally connected with a rechargeable battery. The power storage unit 3 includes

pins

2 and 3 of the audio SOC chip 1. A pin 2 of the audio SOC chip 1 is a charging input end and is connected with a first level connection terminal VBUS of the Type-C plug 5 through an inductor L2; the 3 pins are the input/charge output end of the battery, are externally connected with the positive end of the rechargeable battery, and are connected with the power supply filter capacitors C5 and C16 in parallel; and the 4-pin GND is a grounding end of the chip and is externally connected with a negative electrode end of the rechargeable battery.

Referring to fig. 6, the 3.5mm four-pole plug 6 includes a sound channel input terminal divided into a left sound channel signal input terminal and a right sound channel signal input terminal. The 24 pins of the audio SOC chip 1 are audio analog signal left channel signal input ends, and the 24 pins of the audio SOC chip 1 are electrically connected with left channel signal input terminals; the 25 feet of the audio SOC chip 1 are the right channel signal input ends of the audio analog signals, and the 25 feet of the audio SOC chip 1 are electrically connected with the right channel signal input terminals.

In order to make the output sound high fidelity sound, the sound channel output terminals are coupled to a signal attenuation unit 8. A capacitor C9 and a resistor R2 are connected between the 24 pins of the audio SOC chip 1 and the left channel signal input terminal, and a resistor R4 is connected in parallel between the capacitor C9 and the resistor R2. A capacitor C7 and a resistor R1 are connected between the 25-pin of the audio SOC chip 1 and the right channel signal input terminal, and a resistor R3 is connected in parallel between the capacitor C7 and the resistor R1.

Referring to fig. 6, the 3.5mm four-pole plug 6 further includes a sound channel output terminal and an audio terminal, the 26 pin of the audio SOC chip 1 is a left sound channel signal output terminal of the earphone microphone, the 27 pin lineotr is a right sound channel signal output terminal of the earphone microphone, and the signal attenuation circuit composed of coupling capacitors C6, R5, R6 and R9 and the filter capacitor C12 are connected to the audio terminal.

The implementation principle of the wireless audio adapter in the embodiment of the application is as follows: audio frequency SOC chip 1 chip as an organic whole is connected Type-C plug 5 and 3.5mm four-pole plug 6 and audio frequency SOC chip 1 electricity to realize being provided with two plugs on the audio frequency adapter, thereby increase the commonality of adapter.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A wireless audio adapter, characterized in that: the audio frequency power supply device comprises an audio frequency SOC chip (1), a power storage unit (3), a first joint and a second joint, wherein the first joint and the second joint are used for being connected with audio equipment, the power storage unit (3) is electrically connected with the audio frequency SOC chip (1), and the first joint is electrically connected with the power storage unit (3);

the first connector is a Type-C plug (5);

the second connector is a 3.5mm four-pole plug (6).

2. The wireless audio adapter according to claim 1, wherein: the audio SOC chip (1) is an integrated chip.

3. The wireless audio adapter according to claim 1, wherein: the Type-C plug (5) comprises a first positive electrode signal terminal, a first negative electrode signal terminal, a first grounding terminal and a first level connecting terminal, wherein the first positive electrode signal terminal and the first negative electrode signal terminal are respectively electrically connected with the audio SOC chip (1), and the first level connecting terminal is electrically connected with the electricity storage unit (3).

4. The wireless audio adapter of claim 1, wherein: the 3.5mm four-pole plug (6) comprises a sound channel input terminal, a sound channel output terminal and an audio terminal, wherein the sound channel input terminal and the sound channel output terminal are respectively electrically connected with the audio SOC chip (1), and the audio terminal is electrically connected with the sound channel output terminal.

5. The wireless audio adapter according to claim 1, wherein: the electricity storage unit (3) is externally connected with a rechargeable battery.

6. The wireless audio adapter according to claim 1, wherein: the wireless audio adapter further comprises an antenna (2), the antenna (2) is electrically connected with the audio SOC chip (1), and the working frequency of the antenna (2) is 2.4GHz.

7. The wireless audio adapter of claim 4, wherein: a signal attenuation unit (8) is coupled to the sound channel output terminal.

8. The wireless audio adapter according to claim 1, wherein: the wireless audio adapter further comprises a power switch (71) and a multifunctional switch (72), wherein the power switch (71) and the multifunctional switch (72) are respectively electrically connected with the audio SOC chip (1), the power switch (71) is a toggle switch, and the multifunctional switch (72) is a touch switch.