Head-mounted electronic sports earphone supporting USB / wireless / LINE IN multimode connection

Abstract

The utility model discloses a headset supporting USB / wireless / LINE IN multimode connection, the headset comprises a Bluetooth module, an audio power amplifier module, a left loudspeaker, a right loudspeaker, a microphone interface, a USB interface and a power supply module, the microphone interface is connected with the audio signal input end of the Bluetooth module, the audio power amplifier module is connected with the audio signal output end of the Bluetooth module, and the left loudspeaker is connected with the right loudspeaker. The left loudspeaker and the right loudspeaker are directly or indirectly connected with the output end of the audio power amplifier module, the USB interface is connected with a data interface of the Bluetooth module, and the power module is used for supplying power. The device can be connected with a personal computer (PC), a SWITCH, a game machine and the like for use, a multimode connection mode is adopted, and a user can select any mode to connect with equipment. According to the electronic sports game terminal, TPYE-C type USB interface input is used as LINE IN, wireless connection such as 2.4 G / Bluetooth can be carried out, delayed connection and audio and video synchronization can be achieved, and better experience is provided for electronic sports game players.

Description

TECHNICAL FIELD

[0001] The utility model discloses a headset, especially a headset with USB / wireless / LINE IN multi-mode connection, belonging to the technical field of consumer electronics. BACKGROUND

[0002] The headset is designed for game players, providing high-quality audio experience, enhancing game immersion, and usually having some special functions to meet the needs of long-time use and high-intensity games.

[0003] The headset usually has high-quality audio drivers, providing clear sound, especially in low-frequency and high-frequency performance, which helps players better hear the details in the game. Many gaming headsets support virtual surround sound (such as 7.1 channels), simulating multi-directional sound effects to enhance spatial awareness, allowing players to accurately determine enemy positions. The headset often has high-sensitivity noise-cancelling microphones, effectively isolating background noise to ensure clear and uninterrupted voice communication, especially important in online multiplayer games.

[0004] In terms of connection, traditional wired gaming headsets are stable and have low latency, suitable for professional players who require extremely low latency. Common interfaces include 3.5mm audio jack, USB interface, etc. Wireless headsets provide greater mobility, avoiding the constraints of cables, usually connected through Bluetooth or 2.4GHz wireless technology, suitable for players who prefer not to be tethered by cables. In existing technology, common gaming headsets usually only have one type of wireless or wired connection, lacking compatibility. Even if a wired headset is designed, it often does not have a LINE IN interface, and in use, it may cause inconvenience. SUMMARY

[0005] To address the above-mentioned shortcomings of existing gaming headsets, which usually only have one type of wireless or wired connection, the utility model provides a headset with USB / wireless / LINE IN multi-mode connection. It can connect to a computer through a USB interface, and the USB interface can also be used as a LINE IN interface. The Bluetooth module can simultaneously perform Bluetooth communication or 2.4G wireless communication, allowing multiple modes of connection.

[0006] The utility model discloses a technical scheme that solves its technical problem adopts: a head-mounted e-sports earphone of support USB / wireless / LINE IN multimode connection, and the earphone includes bluetooth module, audio power amplifier module, left loudspeaker, right loudspeaker, microphone interface, USB interface and power module, and the microphone interface is connected with the audio signal input end of bluetooth module, and the audio power amplifier module is connected with the audio signal output end of bluetooth module, and the left loudspeaker and right loudspeaker are connected with the output end of audio power amplifier module directly or indirectly respectively, and the USB interface is connected with the data interface of bluetooth module, and the power module is used for power supply.

[0007] The utility model discloses a technical scheme that solves its technical problem adopts further still includes:

[0008] The TRX interface of bluetooth module is connected with bluetooth antenna.

[0009] The SCI interface and SCO interface of bluetooth module are connected with clock module.

[0010] The INL- interface of audio power amplifier module is connected with the AOURLN interface of bluetooth module, and the INL+ interface of audio power amplifier module is connected with the AOUTLP interface of bluetooth module, and the INR- interface of audio power amplifier module is connected with the AOUTRN interface of bluetooth module, and the INR+ interface of audio power amplifier module is connected with the AOUTRP interface of bluetooth module, and the enablement end SHDN of audio power amplifier module is connected with the general data interface of bluetooth module, and the OUTL interface of audio power amplifier module is connected with left loudspeaker directly or indirectly, and the OUTR interface of audio power amplifier module is connected with right loudspeaker directly or indirectly.

[0011] The left channel volume adjustment module is connected between the OUTL interface of audio power amplifier module, and the left channel volume adjustment module adopts adjustable resistance R1, and the OUTL interface of audio power amplifier module is connected with one end of adjustable resistance R1, and left loudspeaker is connected with the adjustment end of adjustable resistance R1, and the right channel volume adjustment module is connected between the OUTR interface of audio power amplifier module, and the right channel volume adjustment module adopts adjustable resistance R2, and the OUTR interface of audio power amplifier module is connected with one end of adjustable resistance R2, and right loudspeaker is connected with the adjustment end of adjustable resistance R2.

[0012] The microphone interface is connected with the audio signal input end INPUT0P of bluetooth module, and the microphone interface is connected with ground and has transient suppression diode D12.

[0013] The audio input filtering module is connected between the microphone interface and an audio signal input end INPUT0P of the Bluetooth module, and the audio input filtering module comprises a resistor R34, a resistor R35, a capacitor C33 and a capacitor C34.

[0014] The USB interface adopts a TYPE-C interface JK1, TX1+ and TX2+ pins of the TYPE-C interface JK1 are connected with the right speaker, TX1- and TX2- pins of the TYPE-C interface JK1 are connected with the left speaker, CC1 and CC2 pins of the TYPE-C interface JK1 are grounded respectively, and D+ and D- pins of the TYPE-C interface JK1 are connected with general I / O ports of the Bluetooth module respectively.

[0015] The power module comprises a DC-DC voltage stabilizing module, a battery charging management module and a lithium battery, a power supply pin of the USB interface is connected with a power supply input end of the DC-DC voltage stabilizing module, a power supply output end of the DC-DC voltage stabilizing module is connected with a power supply input end of the battery charging management module, a power supply output end of the battery charging management module is connected with the lithium battery, and an enable end CE of the battery charging management module and a charging state indication end CHRG of the battery charging management module are connected with general I / O ports of the Bluetooth module respectively.

[0016] The data port of the Bluetooth module is connected with a key module and an indicator light module.

[0017] The utility model discloses the beneficial effect is: the utility model discloses can connect computer PC, switch, game machine and so on use, has multi -mode connection mode, and the user can select any one mode and connect with the equipment.

[0018] The utility model will be further described in connection with the drawings and specific embodiment. DRAWINGS

[0019] Figure 1 It is the circuit block diagram of the utility model.

[0020] Figure 2 It is the circuit principle diagram of bluetooth module part in the utility model.

[0021] Figure 3The TYPE-C interface part circuit principle diagram of the utility model.

[0022] Figure 4 The battery charging management module part circuit principle diagram of the utility model.

[0023] Figure 5 The key module part circuit principle diagram of the utility model.

[0024] Figure 6 The indicator lamp module part circuit principle diagram of the utility model.

[0025] Figure 7 The power amplifier module part circuit principle diagram of the utility model.

[0026] Figure 8 The microphone interface part circuit principle diagram of the utility model.

[0027] Figure 9 The volume adjustment module part circuit principle diagram of the utility model.

[0028] Figure 10 The interface module part circuit principle diagram of the utility model.

[0029] Figure 11 The test module part circuit principle diagram of the utility model. DETAILED DESCRIPTION

[0030] The embodiment is the preferred embodiment of the utility model, and other embodiments having the same or similar principles and basic structures as the embodiment are within the protection scope of the utility model.

[0031] Please refer to the attached Figure 1 to the attached Figure 11 The utility model mainly protects a head-mounted e-sports earphone supporting USB / wireless / LINE IN multi-mode connection, which mainly comprises a Bluetooth module, an audio power amplifier module, a left loudspeaker, a right loudspeaker, a microphone interface, a USB interface and a power module, the microphone interface is connected with an audio signal input end of the Bluetooth module, the audio power amplifier module is connected with an audio signal output end of the Bluetooth module, the left loudspeaker and the right loudspeaker are directly or indirectly connected with an output end of the audio power amplifier module respectively, the USB interface is connected with a data interface of the Bluetooth module, and the power module is used for power supply. Among them, the USB interface can be directly connected with an audio output device supporting the USB interface, is used for the direct input of audio signals, can also be connected with other audio output devices through an adapter wire, uses the USB interface as a LINE IN interface, and meanwhile, a 2.4G receiver can be plugged on the USB interface and is used for audio data transmission through 2.4G wireless communication.

[0032] In this embodiment, the Bluetooth module adopts a Bluetooth Low Energy chip IC3 with the model number CM2025, which has a data processing function (i.e., MCU). In actual implementation, a Bluetooth chip with the model number or other series can also be used. The TRX interface of the Bluetooth Low Energy chip IC3 is connected with a Bluetooth antenna for direct Bluetooth audio playback.

[0033] In this embodiment, a clock module is connected to the SCI interface and the SCO interface of the Bluetooth module. The clock module adopts a 32MHz quartz crystal oscillator X1.

[0034] In this embodiment, the audio power amplifier module adopts an audio power amplifier chip IC2 with the model number HT97226. The INL- interface of the audio power amplifier chip IC2 is connected with the AOUTLN interface of the Bluetooth module. The INL+ interface of the audio power amplifier chip IC2 is connected with the AOUTLP interface of the Bluetooth module. The INR- interface of the audio power amplifier chip IC2 is connected with the AOUTRN interface of the Bluetooth module. The INR+ interface of the audio power amplifier chip IC2 is connected with the AOUTRP interface of the Bluetooth module. The enable end SHDN of the audio power amplifier chip IC2 is connected with the general data interface GPIO7 of the Bluetooth module to control the operation of the audio power amplifier chip IC2 through the Bluetooth module. The OUTL interface of the audio power amplifier chip IC2 is directly or indirectly connected with the left speaker. The OUTR interface of the audio power amplifier chip IC2 is directly or indirectly connected with the right speaker.

[0035] In this embodiment, a left channel volume adjustment module is connected between the OUTL interface of the audio power amplifier chip IC2. The left channel volume adjustment module adopts an adjustable resistor R1 (i.e., a potentiometer R1). The OUTL interface of the audio power amplifier chip IC2 is connected with one end of the adjustable resistor R1. The left speaker is connected with the adjustment end of the adjustable resistor R1. The volume of the left speaker can be linearly adjusted by changing the resistance value of the adjustable resistor R1 connected with the left speaker. A right channel volume adjustment module is connected between the OUTR interface of the audio power amplifier chip IC2. The right channel volume adjustment module adopts an adjustable resistor R2 (i.e., a potentiometer R2). The OUTR interface of the audio power amplifier chip IC2 is connected with one end of the adjustable resistor R2. The right speaker is connected with the adjustment end of the adjustable resistor R2. The volume of the right speaker can be linearly adjusted by changing the resistance value of the adjustable resistor R2 connected with the right speaker.

[0036] In the embodiment, the microphone interface adopts a 3.5mm microphone interface JK2, the microphone interface JK2 is connected with the audio signal input end INPUT0P of the Bluetooth module, and a transient suppression diode D12 is connected between the microphone interface JK2 and the ground, which can be used for input through the 3.5mm audio interface. In the embodiment, an audio input filtering module is connected between the microphone interface JK2 and the audio signal input end INPUT0P of the Bluetooth module, the audio input filtering module comprises a resistor R34, a resistor R35, a capacitor C33 and a capacitor C34, the microphone interface JK2 is connected with the audio signal input end INPUT0P of the Bluetooth module through the series connection of the capacitor C34, the resistor R34 and the capacitor C33 are connected in series between the positive power supply and the ground, and the common end of the resistor R34 and the capacitor C33 is connected with the microphone interface JK2 through the series connection of the resistor R35.

[0037] The USB interface in the utility model should be explained as a generalized USB interface, all interface forms capable of communicating through the USB communication protocol should be defined as the USB interface, in the embodiment, the USB interface adopts a TYPE-C interface JK1, the TX1+ pin and the TX2+ pin of the TYPE-C interface JK1 are connected with the right speaker, the TX1- pin and the TX2- pin of the TYPE-C interface JK1 are connected with the left speaker, for using the TYPE-C interface JK1 as LINE IN, directly inputting audio signals for playing, the CC1 pin and the CC2 pin of the TYPE-C interface JK1 are grounded respectively, the D+ pin and the D- pin of the TYPE-C interface JK1 are connected with the general I / O port of the Bluetooth module respectively, when the 2.4G receiver is plugged on the TYPE-C interface, for carrying out audio data transmission through 2.4G wireless communication. In specific implementation, the USB interface can also select a standard USB interface, a MINI USB interface, a Micro USB interface and the like.

[0038] In the embodiment, a lithium battery is used for power supply, the power module comprises a DC-DC voltage stabilizing module, a battery charging management module and a lithium battery, the power pin of the USB interface is connected with the power input end of the DC-DC voltage stabilizing module, the power output end of the DC-DC voltage stabilizing module is connected with the power input end of the battery charging management module, the power output end of the battery charging management module is connected with the lithium battery, and the enable end CE of the battery charging management module and the charging state indication end CHRG of the battery charging management module are connected with the general I / O port of the Bluetooth module respectively. In the embodiment, the DC-DC voltage stabilizing module adopts a voltage stabilizing chip IC1 with a model number of LY5904B, the battery charging management module adopts a battery charging management chip IC4 with a model number of CST4056, and in specific implementation, the DC-DC voltage stabilizing module and the battery charging management module can also use other model chips instead.

[0039] In the embodiment, the data port of the Bluetooth module is connected with a key module, the key module comprises a key switch SW1 and a key switch SW2, the key switch SW1 is connected with the WIO 0 interface of the Bluetooth module and is used for inputting a switch-on / off signal, and the key switch SW2 is connected with the GPIO21 interface of the Bluetooth module and is used for inputting working module control information.

[0040] In the embodiment, the data port of the Bluetooth module is connected with an indicating lamp module, the indicating lamp module adopts red, green and blue three-color lamp beads, and can be used for different indication according to actual needs, such as working state, working mode, charging state, battery capacity and the like, and each lamp bead is directly connected with the data port of the Bluetooth module and directly driven by the Bluetooth module to work.

[0041] In the embodiment, the data port of the Bluetooth module is connected with a test interface and is used for performance test.

[0042] The utility model discloses can connect computer PC, switch, game machine and so on, has multi -mode connection mode, and the user can select any one mode and connect with the equipment. The utility model discloses adopt TPYE -C type USB interface input as LINE IN uses, simultaneously, can carry out 2.4G / Bluetooth and so on wireless connection, can realize delay connection, sound video synchronization, and better experience is given to the e -sports game player.

Claims

1. A gaming headset supporting multi-mode connectivity (USB / wireless / LINE IN), characterized in that: The headset includes a Bluetooth module, an audio amplifier module, a left speaker, a right speaker, a microphone interface, a USB interface, and a power module. The microphone interface is connected to the audio signal input terminal of the Bluetooth module, the audio amplifier module is connected to the audio signal output terminal of the Bluetooth module, the left and right speakers are directly or indirectly connected to the output terminal of the audio amplifier module, the USB interface is connected to the data interface of the Bluetooth module, and the power module is used for power supply.

2. The gaming headset supporting USB / wireless / LINE IN multi-mode connection as described in claim 1, characterized in that: The Bluetooth module has a Bluetooth antenna connected to its TRX interface.

3. The gaming headset supporting USB / wireless / LINE IN multi-mode connection as described in claim 1, characterized in that: A clock module is connected to the SCI and SCO interfaces of the Bluetooth module.

4. The gaming headset supporting USB / wireless / LINE IN multi-mode connection as described in claim 1, characterized in that: The INL- interface of the audio amplifier module is connected to the AOURN interface of the Bluetooth module, the INL+ interface of the audio amplifier module is connected to the AOUTLP interface of the Bluetooth module, the INR- interface of the audio amplifier module is connected to the AOUTRN interface of the Bluetooth module, the INR+ interface of the audio amplifier module is connected to the AOUTRP interface of the Bluetooth module, the SHDN enable terminal of the audio amplifier module is connected to the general data interface of the Bluetooth module, the OUTL interface of the audio amplifier module is directly or indirectly connected to the left speaker, and the OUTR interface of the audio amplifier module is directly or indirectly connected to the right speaker.

5. The gaming headset supporting USB / wireless / LINE IN multi-mode connection according to claim 4, characterized in that: The audio amplifier module has a left channel volume control module connected to its OUTL interface. The left channel volume control module uses an adjustable resistor R1. The OUTL interface of the audio amplifier module is connected to one end of the adjustable resistor R1, and the left speaker is connected to the adjustment terminal of the adjustable resistor R1. The audio amplifier module has a right channel volume control module connected to its OUTR interface. The right channel volume control module uses an adjustable resistor R2. The OUTR interface of the audio amplifier module is connected to one end of the adjustable resistor R2, and the right speaker is connected to the adjustment terminal of the adjustable resistor R2.

6. The gaming headset supporting USB / wireless / LINE IN multi-mode connection as described in claim 1, characterized in that: The microphone interface is connected to the audio signal input terminal INPUT0P of the Bluetooth module, and a transient suppression diode D12 is connected between the microphone interface and ground.

7. The gaming headset supporting USB / wireless / LINE IN multi-mode connectivity as described in claim 1, characterized in that: An audio input filtering module is connected between the microphone interface and the audio signal input terminal INPUT0P of the Bluetooth module. The audio input filtering module includes resistors R34 and R35, and capacitors C33 and C34. The microphone interface is connected to the audio signal input terminal INPUT0P of the Bluetooth module through the series-connected capacitor C34. Resistor R34 and capacitor C33 are connected in series between the positive power supply and ground. The common terminal of resistor R34 and capacitor C33 is connected to the microphone interface through the series-connected resistor R35.

8. The gaming headset supporting USB / wireless / LINE IN multi-mode connectivity as described in claim 1, characterized in that: The USB interface uses a TYPE-C interface JK1. The TX1+ and TX2+ pins of the TYPE-C interface JK1 are connected to the right speaker, the TX1- and TX2- pins of the TYPE-C interface JK1 are connected to the left speaker, the CC1 and CC2 pins of the TYPE-C interface JK1 are grounded, and the D+ and D- pins of the TYPE-C interface JK1 are connected to the general I / O ports of the Bluetooth module.

9. The gaming headset supporting USB / wireless / LINE IN multi-mode connectivity according to claim 1, characterized in that: The power module includes a DC-DC voltage regulator module, a battery charging management module, and a lithium battery. The power pin of the USB interface is connected to the power input terminal of the DC-DC voltage regulator module, the power output terminal of the DC-DC voltage regulator module is connected to the power input terminal of the battery charging management module, the power output terminal of the battery charging management module is connected to the lithium battery, and the enable terminal CE and the charging status indicator terminal CHRG of the battery charging management module are respectively connected to the general I / O port of the Bluetooth module.

10. The gaming headset supporting USB / wireless / LINE IN multi-mode connectivity according to claim 1, characterized in that: The Bluetooth module's data port is connected to a button module and an indicator light module.

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