CN218387863U

CN218387863U - 2.4G wireless earphone and wired input device

Info

Publication number: CN218387863U
Application number: CN202221445012.1U
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: 2022-06-10
Filing date: 2022-06-10
Publication date: 2023-01-24
Anticipated expiration: 2032-06-10

Abstract

The utility model relates to the technical field of earphone equipment, and discloses a 2.4G wireless earphone and wired input device, which comprises a 2.4G wireless earphone module, a left loudspeaker, a right loudspeaker, a microphone, a power control circuit, a detection circuit, an earphone socket and an external wired input, wherein one end of the detection circuit is connected with the switching end of a 3.5 four-pole earphone socket loudspeaker, and the other end is connected with the power control circuit; the left loudspeaker, the right loudspeaker and the microphone are respectively connected with a left sound channel input, a right sound channel input and a microphone output function position of the earphone socket, and the other ends of the left loudspeaker, the right loudspeaker and the microphone are respectively connected with a left sound channel output, a right sound channel output and a microphone input function position of the 2.4G wireless earphone module. The utility model discloses can be according to the user equipment and the audio interface condition, when using external wired input, 2.4G wireless earphone automatic cutout, switch to wired earphone state, a tractor serves two purposes, uses portably, saves time, energy-concerving and environment-protective, increase user's use and experience.

Description

2.4G wireless earphone and wired input device

Technical Field

The utility model relates to an earphone equipment technical field especially relates to a 2.4G wireless earphone has line input device concurrently.

Background

In recent years, a USB interface 2.4G wireless earphone can be used on a computer, a PS5 game machine and a PS4 game machine, but cannot be used on an X BOX series game machine, and a 3.5mm plug wired earphone is connected with an X BOX handle to hear game background sound and talk and chat. The utility model provides a 2.4G wireless earphone has line input device concurrently and is integrated to when wired 3.5 plug inserts, through the setting of relevant component and circuit, realize the auto-power-off function, just can not cause the waste of battery power and influence the time of endurance, improve and use experience effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at realizing wired and wireless dual-purpose functions for an earphone product, realizing automatic control and closing wireless earphone's power when the wired 3.5 plug of earphone inserts, improving the use experience effect, a tractor serves two purposes, and is energy-concerving and environment-protective, and the wireless earphone of a 2.4G that provides has line input device concurrently.

In order to realize the purpose, the utility model adopts the following technical scheme:

A2.4G wireless earphone with a wired input device comprises a 2.4G wireless earphone module, a left loudspeaker, a right loudspeaker, a microphone, a power supply control circuit, a detection circuit, an earphone socket and an external wired input, wherein one end of the detection circuit is connected with a 3.5 quadrupole earphone socket loudspeaker switching end, and the other end of the detection circuit is connected with the power supply control circuit; left loudspeaker, right loudspeaker and microphone are connected with earphone socket left channel input, right channel input and microphone output function position respectively, and the other end is connected with 2.4G wireless earphone module's left channel output, right channel output and microphone input function position respectively, power control circuit is connected with 2.4G wireless earphone module and detection circuitry respectively, external wired input is connected with earphone socket. The utility model discloses can be according to the user equipment and the audio interface condition, when using external wired input, 2.4G wireless earphone automatic power-off, switch into wired earphone state.

Preferably, the 2.4G wireless earphone module MK includes a wireless earphone V + power supply terminal connected to the bias resistor R1 and the S pole of the field-effect tube Q1, a wireless earphone VIN power supply input terminal connected to the D pole of the field-effect tube Q1, a wireless earphone power ground GND ground terminal connected to the E pole of the emitter of the triode Q2, a wireless earphone left channel output HPL terminal connected to the + pole of the left speaker LSPK and the L end of the wired input earphone socket HP, a wireless earphone right channel output HPR terminal connected to the + pole of the right speaker RSPK and the R end of the wired input earphone socket HP, a wireless earphone microphone input MIC + terminal connected to the + pole of the microphone MIC and the M end of the wired input earphone socket HP, and a wireless earphone audio analog ground AGND ground terminal connected to the-pole of the left speaker LSPK, the-pole of the right speaker RSPK, the-pole of the microphone and the G end of the wired input earphone socket HP.

Compared with the prior art, the utility model provides a 2.4G wireless earphone has line input device concurrently, possesses following beneficial effect:

the device has small integral volume and small occupied space; the structure is simple and the production cost is low by using conventional components; only a few interfaces need can, need not carry out complicated wiring, the debugging is convenient, labour saving and time saving, can satisfy the user demand.

The device does not relate to the part among all the same with prior art or can adopt prior art to realize, the utility model discloses can be according to user equipment and environment, wired wireless automatic switch-over, auto-power-off, use simple and convenient, save time, energy-concerving and environment-protective, increase user's use and experience.

Drawings

Fig. 1 is a signal flow chart of a 2.4G wireless earphone with wired input device provided by the present invention;

FIG. 2 is a circuit diagram of FIG. 1;

in the figure: 2.4G wireless earphone module 11, left loudspeaker 12, right loudspeaker 13, microphone 14, power control circuit 15, detection circuit 16, earphone socket 17 and external wired input 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a 2.4G wireless earphone with wired input device includes a 2.4G wireless earphone module 11, a left speaker 12, a right speaker 13, a microphone 14, a power control circuit 15, a detection circuit 16, an earphone socket 17 and an external wired input 18. One end of the detection circuit 16 is connected with the loudspeaker function position of the 3.5 quadrupole earphone socket 17, and the other end is connected with the power control circuit 15; the left loudspeaker 12, the right loudspeaker 13 and the microphone 14 are respectively connected with a left sound channel input, a right sound channel input and a microphone output function position of the earphone socket 17, the other ends of the left loudspeaker 12, the right loudspeaker 13 and the microphone 14 are respectively connected with a left sound channel output, a right sound channel output and a microphone input function position of the 2.4G wireless earphone module 11, the power supply control circuit 15 is respectively connected with the 2.4G wireless earphone module 11 and the detection circuit 16, and the external wired input 18 is connected with the earphone socket 17.

The 2.4G wireless earphone module MK comprises a wireless earphone V + power supply end, a wireless earphone VIN power supply input end, a wireless earphone power supply ground GND ground end, a wireless earphone power supply ground end, a wireless earphone output HPL end, a wireless earphone microphone input MIC + end, a wireless earphone audio simulation ground end and a wireless earphone microphone output MIC ground end, wherein the wireless earphone V + power supply end is respectively connected with a bias resistor R1 and an S pole of a field effect tube Q1, the wireless earphone VIN power supply input end is connected with a D pole of the field effect tube Q1, the wireless earphone power supply ground GND ground end is connected with an emitter E pole of a triode Q2, the wireless earphone left channel output HPL end is respectively connected with a + pole of a left loudspeaker LSPK and an L end of a wired earphone socket HP, the wireless earphone right channel output HPR end is respectively connected with a + pole of a right loudspeaker RSPK and an R end of the wired earphone socket HP, the wireless earphone microphone input MIC + end is respectively connected with a + pole of a microphone MIC and an M end of the wired earphone socket HP, and the wireless earphone audio simulation ground end of the left loudspeaker LSPK is respectively connected with an S pole of the wired earphone socket HP.

The utility model discloses in, the theory of operation: after the wireless earphone is started, the voltage of a loudspeaker + extreme end 1.5V is added to the B end of a triode Q2 through a left sound function position L, a right sound function position L, a normally closed LO end, a normally closed RO end and resistors R2 and R3 to flow back to the ground through an E end, the triode Q2 is conducted, a C end is low-potential, the G pole connected with a field effect tube Q1 is also low-potential, the field effect tube Q1 is conducted, an MK power supply V + of a 2.4G wireless earphone module flows through a D pole through the S pole of the field effect tube Q1 and is input into a VIN end, and the earphone is in a 2.4G wireless mode in a starting working state; when an external 3.5mm plug is inserted into an earphone socket HP, the L end and the normally closed LO end are simultaneously pushed open, the R end and the normally closed RO end are connected, the B end of a triode Q2 does not have voltage, the triode is stopped, the C electrode is high in potential and is also high in potential when being connected with the G electrode of a field effect tube Q1, the field effect tube Q1 is stopped, no power supply input VIN end exists, the earphone is in a wired mode when being in a shutdown state, and at the moment, a loudspeaker and a microphone in the earphone are connected with the corresponding position signals of the external wired input end to be used as a wired earphone, so that the aims of wireless startup and wired shutdown are fulfilled, and the earphone is dual-purpose and has the function of automatic switching.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A2.4G wireless earphone and wired input device comprises a 2.4G wireless earphone module (11), a left loudspeaker (12), a right loudspeaker (13), a microphone (14), a power supply control circuit (15), a detection circuit (16), an earphone socket (17), an external wired input (18), a signal isolation resistor R2, a field effect transistor Q and a triode Q, and is characterized in that one end of the detection circuit (16) is connected with the loudspeaker function position of the earphone socket (17), and the other end of the detection circuit is connected with the power supply control circuit (15); left loudspeaker (12), right loudspeaker (13) and microphone (14) are connected with earphone socket (17) left sound channel input, right sound channel input and microphone output function position respectively, and the other end is connected with the left sound channel output, right sound channel output and the microphone input function position of 2.4G wireless earphone module (11) respectively, power control circuit (15) are connected with 2.4G wireless earphone module (11) and detection circuitry (16) respectively, external wired input (18) are connected with earphone socket (17).

2. The apparatus as claimed in claim 1, wherein the 2.4G wireless headset and wired input device, the 2.4G wireless headset module MK includes a wireless headset V + power terminal connected to the bias resistor R1 and S-pole of the fet Q1, respectively, a wireless headset VIN power input terminal connected to D-pole of the fet Q1, a wireless headset ground GND terminal connected to emitter E-pole of the transistor Q2, a wireless headset left channel output HPL terminal connected to + pole of the left speaker LSPK and L-pole of the wired input headset jack HP, a wireless headset right channel output HPR terminal connected to + pole of the right speaker RSPK and R-pole of the wired input headset jack HP, a wireless headset microphone input MIC + terminal connected to + pole of the microphone MIC and M-pole of the wired input headset jack HP, and a wireless headset audio analog ground terminal connected to-pole of the left speaker RSPK, a right speaker RSPK, a microphone MIC-pole and a wired headset jack HP terminal.

3. The 2.4G wireless earphone and wired input device according to claim 1, wherein one end of the signal isolation resistor R2 is connected to the base B of the transistor Q2, the other end is connected to the LO end of the wired input earphone socket HP, one end of the signal isolation resistor R3 is connected to the base B of the transistor Q2, and the other end is connected to the RO end of the wired input earphone socket HP.

4. The 2.4G wireless earphone and wired input device according to claim 1, wherein the G pole of the FET Q1 is connected to the bias resistor R1 and the C pole of the collector of the transistor Q2.

5. The 2.4G wireless earphone and wired input device according to claim 1, wherein the transistor Q2 is an NPN transistor packaged by SOT-23, and the field effect transistor Q1 is a P communication field effect transistor packaged by SOT-23.