Battery earphone headband, XR equipment and battery earphone headband control method

Abstract

The invention discloses a battery earphone headband, an XR device and a battery earphone headband control method, the battery earphone headband comprises a headband body, the headband body is connected with an XR host, the XR host is provided with a power interface, the headband body is connected with the power interface through a connecting line, the headband body is provided with a headband earphone module and a headband battery, and the headband earphone module is connected with the headband battery. The headphone module is connected with the power interface through a connecting line and is used for receiving an audio digital signal; the headband battery is connected with the power interface through a connecting line, and the headband battery is connected with the headband earphone module and used for supplying power to the XR host and the headband earphone module. According to the battery earphone headband, the headband earphone module and the headband battery are arranged on the headband body, and the headband earphone module is connected with the power interface of the XR host through the connecting line to receive audio digital signals, so that the audio quality can be improved; and the headband battery can supply power to the headband earphone module and the XR host.

Description

Technical Field

[0001] The present invention relates to the technical field of XR device accessory structures, and in particular to a battery earphone headband, an XR device, and a battery earphone headband control method. Background Art

[0002] XR (Extended Reality) refers to the combination of reality and virtuality through computers to create a virtual environment for human-computer interaction. It is a general term for various technologies such as AR (Augmented Reality), VR (Virtual Reality), and MR (Mixed Reality). Existing XR consoles have small battery capacity and short battery life. XR headbands can increase the battery life of XR consoles, increase the time users spend playing XR games, and improve user experience. Existing XR consoles usually use a dedicated headphone interface for external headphones to connect to obtain audio signals, but the audio signals output by the usual dedicated headphone interface are analog signals with average sound quality. Summary of the invention

[0003] The object of the present invention is to provide a battery earphone headband, an XR device and a battery earphone headband control method to improve audio quality.

[0004] In a first aspect, the present invention provides a battery earphone headband, comprising a headband body, the headband body being connected to an XR host, the XR host being provided with a power interface, the headband body being connected to the power interface via a connecting line, the headband body being provided with a headband earphone module and a headband battery, the headband earphone module being connected to the power interface via the connecting line for receiving an audio digital signal; the headband battery being connected to the power interface via the connecting line, and the headband battery being connected to the headband earphone module for supplying power to the XR host and the headband earphone module.

[0005] In a second aspect, the present invention also provides an XR device, comprising the above-mentioned battery earphone headband and an XR host, wherein the XR host is connected to the battery earphone headband, and the battery earphone headband is connected to the power interface of the XR host via a connecting line.

[0006] In a third aspect, the present invention also provides a battery earphone headband control method, and the battery earphone headband is applied to the above-mentioned XR device, and the battery earphone headband control method comprises the following steps: supplying power to the XR host and the headband earphone module through the headband battery; supplying power to the headband earphone module through the XR host; and playing the audio after analyzing and processing the received audio digital signal transmitted by the XR host through the headband earphone module.

[0007] The beneficial technical effect of the present invention is that the battery earphone headband of the present invention is provided with a headband earphone module on the headband body, and the headband earphone module is connected to the power interface of the XR host through a connecting line. Compared with the audio analog signal transmitted by the dedicated earphone interface, the audio quality can be improved by receiving the audio digital signal; moreover, the headband battery on the headband body not only supplies power to the headband earphone module, but also can be connected to the power interface through a connecting line to supply power to the XR host, so that the power interface can transmit both the audio digital signal and the power supply current in conjunction with the connecting line. The XR device and the battery earphone headband control method of the present invention also have the above functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0009] Figure 1 A schematic diagram of a frame of a battery earphone headband provided by the present invention when it is used in a specific application;

[0010] Figure 2 A schematic diagram of a framework of a specific embodiment of a battery earphone headband provided by the present invention connected to a power interface;

[0011] Figure 3 A circuit diagram of an audio power management module for a battery earphone headband provided by the present invention;

[0012] Figure 4 A schematic flow chart of a method for controlling a battery-powered headset headband provided by the present invention. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0014] See also Figure 1 , Figure 1The present invention is a schematic diagram of a framework of a specific application of a battery earphone headband provided by the present invention, wherein the battery earphone headband 10 is connected to an XR host 20, and comprises a headband body 101, wherein the headband body 101 is connected to the XR host 20, wherein a power interface 21 is provided on the XR host 20, wherein the headband body 101 is connected to the power interface 21 via a connecting line, wherein a headband earphone module 11 and a headband battery 12 are provided on the headband body 101, wherein the headband earphone module 11 is connected to the power interface 21 via the connecting line for receiving an audio digital signal; wherein the headband battery 12 is connected to the power interface 21 via the connecting line, and wherein the headband battery 12 is connected to the headband earphone module 11 for supplying power to the XR host 20 and the headband earphone module 11.

[0015] Among them, the power interface 21 of the XR host 20 is a connection interface for data transmission and power transmission, and has the functions of receiving external power, transmitting audio signals and transmitting power. The power interface 21 can be a USB-C interface. The battery earphone headband 10 is provided with a headband earphone module 11 on the headband body 101, and the headband earphone module 11 is connected to the power interface 21 of the XR host 20 through a connecting line. Compared with the audio analog signal transmitted by the earphone dedicated interface, the audio quality can be improved by receiving the audio digital signal; moreover, the headband battery 12 on the headband body 101 not only supplies power to the headband earphone module 11, but also can be connected to the power interface 21 through a connecting line to supply power to the XR host 20, so that the power interface 21 cooperates with the connecting line to transmit both audio digital signals and power supply current.

[0016] Specifically, the built-in battery of the XR host 20 connected to the power interface 21 can supply power to the headband headset module 11 through the power interface 21 and the connecting line. The headband headset module 11 is connected to the power interface 21 of the XR host 20 through the connecting line, and the built-in battery of the XR host 20 can supply power to the headband headset module 11 through the power interface 21 with the connecting line, so that when the power of the headband battery 12 is completely consumed or the power information is lower than the preset value, the headband headset module 11 can be powered by the XR host 20 to ensure the normal operation of the headband headset module 11, and avoid the battery headset headband 10 when the XR host 20 is working normally because the headband battery 12 fails to provide the headband headset module 11 with the power required for work, and ensure the normal operation of the headband headset module 11, without the user having to pause and then connect the external power cable to charge the headband battery 12 during use, thereby improving the user experience.

[0017] Combination Figure 2Specifically, a main controller 13 and an audio power management module 14 are also provided on the headband body 101. The main controller 13 is respectively connected to the headband battery 12 and the audio power management module 14, and is used to detect the power information of the headband battery 12 and control the operation of the audio power management module 14. Among them, the main controller 13 can be an MCU, supporting the PD (Power Delivery) protocol, so that the circuit can realize the fast charging function. The PD protocol is a power transmission protocol based on the USB Type-C interface. It adopts a two-way communication mechanism, allowing devices to negotiate voltage and current to achieve a more flexible charging solution. By using the Type-C interface, the PD protocol can achieve higher charging speeds and higher energy transmission efficiency. The main controller 13 can use a chip with model CS32G020.

[0018] Specifically, the headband earphone module 11 includes an earphone body 111 and an audio chip 112, the earphone body 111 is connected to the audio chip 112, the audio chip 112 is connected to the power interface 21 through the connecting line, the audio chip 112 is used to control the earphone body 111 to play audio after analyzing and processing the received audio digital signal, the earphone body 111 includes a left earphone and a right earphone, the audio power management module 14 is connected to the audio chip 112, the headband battery 12 and the power interface 21, so that the audio power management module 14 is connected to the corresponding XR host 20 through the power interface 21, and the headband battery 12 is connected to the audio chip 112 through the audio power management module 14, and is used to control the headband battery 12 to supply power to the audio chip 112 according to the power information of the headband battery 12, or control the XR host 20 corresponding to the power interface 21 to supply power to the audio chip 112. The power supply terminal is switched by detecting the power information of the headband battery 12, which can ensure smooth power switching, avoid power failure of the headband battery 12 causing the headband earphone module 11 to not work properly, and improve user experience. The model of the audio chip 112 can be AB136D.

[0019] Specifically, in this embodiment, the audio power management module 14 includes a battery power switch QS5 and an audio chip connection switch QS4, the input end of the battery power switch QS5 is connected to the headband battery 12, the output end of the battery power switch QS5 is connected to the audio chip through the audio chip connection switch QS4, the built-in battery of the XR host 20 is connected to the audio chip connection switch QS4 through the power interface 21 via the connecting line, and the main controller 13 is connected to the control end of the battery power switch QS5 to control the on and off of the battery power switch QS5 according to the power information of the headband battery 12 obtained by detection, so as to realize the switching control of the power supply end for supplying power to the headband headphone module 11 according to the power information of the headband battery 12 in cooperation with the battery power switch QS5.

[0020] Specifically, in this embodiment, the output end of the battery power switch QS5 is connected to the input end of the audio chip connection switch QS4 through the voltage regulator U7, the input end IN of the voltage regulator U7 is connected to the power interface 21, and the output end of the audio chip connection switch QS4 is connected to the audio chip 112.

[0021] Specifically, in this embodiment, the input end of the battery power switch QS5 is connected to the power interface 21 through the connecting line, so that when the power information of the headband battery 12 is not lower than the preset battery power conduction threshold and lower than the preset headphone required power threshold, or when the power information of the headband battery 12 is lower than the preset battery power conduction threshold, the corresponding built-in battery of the XR host 20 can assist in supplying power to the audio chip 112, so that the XR host 20 and the headband battery 12 simultaneously supply power to the audio chip 112 to ensure the normal operation of the headband headphone module 11.

[0022] Specifically, in this embodiment, an earphone switching button may also be provided on the headband body 101, and the earphone switching button is connected to the main controller 13, and the main controller 13 is connected to the control end of the audio chip connection switch QS4, and is used to control the on and off of the audio chip connection switch QS4 according to the earphone switching signal of the earphone switching button, so as to control the start and stop of power supply to the audio chip 112. When the power supply to the audio chip 112 is stopped, the audio chip 112 does not work, and the main controller 13 feeds back the earphone switching signal to the XR host 20 through the connecting line via the power interface 21. The XR host 20 transmits the audio digital signal to the audio playback module of the XR host 20 according to the received earphone switching signal and stops transmitting the audio digital signal to the power interface 21. The audio playback module of the XR host 20 analyzes and processes the received audio digital signal and transmits it to the speaker of the XR host 20, so as to switch to using the speaker of the XR host 20 to play audio.

[0023] Based on the above design, when working, the power information of the headband battery 12 is detected. When the power information of the headband battery 12 is greater than zero, the headband battery 12 is controlled to supply power to the corresponding XR host via the connecting line and the power interface 21; the power information of the headband battery 12 is compared with the preset battery power conduction threshold; when the power information of the headband battery 12 is not lower than the preset battery power conduction threshold, the battery power switch QS5 is controlled to be turned on, and the headband battery 12 is controlled to supply power to the audio chip 112, and the power information of the headband battery 12 is compared with the preset battery power conduction threshold. A threshold value for the power required by the earphones is set; when the power information of the headband battery 12 is lower than the preset power required by the earphones, the XR host 20 is controlled to supply power to the audio chip 112 through the turned-on battery power switch QS5, so that both the XR host 20 and the headband battery 12 supply power to the audio chip 112; when the power information of the headband battery 12 is lower than the preset battery power conduction threshold, the battery power switch QS5 is controlled to be turned off, and the XR host 20 is controlled to supply power to the audio chip 112 through the power interface 21 and the connecting line, to ensure smooth power switching.

[0024] Combination Figure 3Preferably, in this embodiment, the built-in battery of the XR host is connected to the emitter of the sixth transistor QS6 via the power interface 21 and the connecting line, the base of the sixth transistor QS6 is connected to the input terminal IN of the voltage regulator U7, and the collector of the sixth transistor QS6 is connected to the input terminal of the audio chip connection switch QS4. The output terminal of the battery power switch QS5 is connected to the base of the sixth transistor QS6, the input terminal IN of the voltage regulator U7 and the emitter of the sixth transistor QS6. The sixth transistor QS6 can be used as a voltage stabilization module. The battery power switch QS5 is a MOS tube, the audio chip connection switch QS4 is a MOS tube, the headband battery 12 is connected to the source of the battery power switch QS5 through the fourth diode D4, the power interface 21 is connected to the emitter of the sixth transistor QS6 through the connecting line through the third diode D3, the gate of the battery power switch QS5 is connected to the battery enable pin B2+EN of the main controller 13, the drain of the battery power switch QS5 is connected to the sixth transistor QS6 The emitter of the battery power switch QS5 is connected, the drain of the battery power switch QS5 is connected to the base of the sixth transistor QS6 and the input end of the voltage regulator U7 through the sixty-first resistor R61, the output end of the voltage regulator U7 and the collector of the sixth transistor QS6 are connected to the source of the audio chip connection switch QS4, the drain of the audio chip connection switch QS4 is used to connect to the audio chip 112, and the gate of the audio chip connection switch QS4 is connected to the headphone enable pin USB_EN of the main controller 13. The anode of the third diode D3 is connected to the power interface 21 through the connecting line, the anode of the fourth diode D4 is connected to the headband battery 12, the cathode of the fourth diode D4 is connected to the source of the battery power switch QS5, the cathode of the third diode D3 is connected to the emitter of the sixth transistor QS6, and the cathode of the third diode D3 is connected to the source of the battery power switch QS5 through the fifty-seventh resistor R57.

[0025] Specifically, the present invention provides an XR device, including the battery earphone headband and an XR host, the XR host is connected to the battery earphone headband, and the battery earphone headband is connected to the power interface of the XR host through a connecting line.

[0026] See also Figure 4 , Figure 4 The figure is a flow chart of a method for controlling a battery headset headband of the present invention. The battery headset headband is applied to the above-mentioned XR device. The method for controlling a battery headset headband comprises the following steps:

[0027] Step S11, supplying power to the XR host and the headband headset module through the headband battery;

[0028] Step S12, supplying power to the headband and earphone module through the XR host;

[0029] Step S13: Analyze and process the audio digital signal transmitted by the XR host through the headband earphone module and then play the audio.

[0030] Among them, the battery earphone headband control method receives audio digital signals through a headband earphone module connected to the power interface of the XR host through a connecting line. Compared with the audio analog signal transmitted by the earphone dedicated interface, the audio quality can be improved, and the headband battery is connected to the power interface of the XR host through a connecting line. The headband battery on the headband body not only supplies power to the headband earphone module, but also supplies power to the XR host, so that the power interface cooperates with the connecting line to transmit both audio digital signals and power supply current.

[0031] Specifically, the step S11 includes:

[0032] Detect the battery power information of the headband;

[0033] When the power information of the headband battery is greater than zero, the headband battery is controlled to supply power to the XR host.

[0034] Specifically, after the step of detecting the power information of the headband battery, the method further includes:

[0035] Compare the power information of the headband battery with the preset battery power on threshold; wherein the preset battery power on threshold may be the power information of the headband battery required for powering the preset XR host, and the headband battery is mainly used to power the XR host. By comparing the power information of the headband battery with the preset battery power on threshold, it can be ensured that the headband battery satisfies the power supply of the XR host and then supplies power to the headband headset module at the same time, so as to determine whether to turn on the battery power switch and use the headband battery to power the audio chip;

[0036] When the power information of the headband battery is not lower than a preset battery power supply conduction threshold, the battery power supply switch is controlled to be turned on, and the headband battery is controlled to supply power to the audio chip.

[0037] Specifically, after the step of comparing the power information of the headband battery with the preset battery power supply conduction threshold, the method further includes:

[0038] When the power information of the headband battery is not lower than the preset battery power conduction threshold, the power information of the headband battery is compared with the preset power threshold required for the earphone; wherein the preset power threshold required for the earphone may be the minimum value of the power information required for the normal operation of the preset earphone, and by comparing the power information of the headband battery with the preset power threshold required for the earphone, it can be determined whether the power information of the headband battery satisfies the normal operation of the headband earphone module and whether the XR host needs to assist in supplying power to the headband earphone module;

[0039] When the power information of the headband battery is lower than the power required by the preset headphones, the XR host is controlled to supply power to the audio chip, so that both the XR host and the headband battery supply power to the audio chip to ensure the normal operation of the headband headphone module.

[0040] Specifically, after the step of comparing the power information of the headband battery with the preset battery power supply conduction threshold, the method further includes:

[0041] When the power information of the headband battery is lower than the preset battery power conduction threshold, the battery power switch is controlled to turn off, the headband battery only supplies power to the XR host, and the XR host is controlled to supply power to the audio chip to ensure the normal operation of the headband headphone module.

[0042] In summary, the battery headset headband of the present invention is provided with a headband headset module on the headband body, and the headband headset module is connected to the power interface of the XR host through a connecting line. Compared with the audio analog signal transmitted by the dedicated headset interface, the audio quality can be improved by receiving the audio digital signal; moreover, the headband battery on the headband body not only supplies power to the headband headset module, but also can be connected to the power interface through a connecting line to supply power to the XR host, so that the power interface can transmit both the audio digital signal and the power supply current in conjunction with the connecting line. The XR device and the battery headset headband control method of the present invention also have the above functions.

[0043] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A battery headphone headband, characterized in that: The headband body includes a headband body connected to an XR host, a power interface is provided on the XR host, the headband body is connected to the power interface via a connecting line, and the headband body is provided with: A headband earphone module, connected to the power interface via the connecting line, and used for receiving audio digital signals; A headband battery is connected to the power interface via the connecting line, and the headband battery is connected to the headband headphone module, for supplying power to the XR host and the headband headphone module.

2. The battery earphone headband according to claim 1, characterized in that: The built-in battery of the XR host connected to the power interface can supply power to the headband headphone module through the power interface and the connecting line.

3. The battery earphone headband according to claim 2, characterized in that: The headband body is also provided with a main controller and an audio power supply management module. The main controller is connected to the headband battery and the audio power supply management module respectively, and is used to detect the power information of the headband battery and control the operation of the audio power supply management module.

4. The battery earphone headband according to claim 3, characterized in that: The headband earphone module includes an earphone body and an audio chip, the earphone body is connected to the audio chip, the audio chip is connected to the power interface via the connecting line, and the audio power management module is connected to the audio chip, the headband battery and the power interface, and is used to control the headband battery to supply power to the audio chip or control the XR host corresponding to the power interface to supply power to the audio chip according to the power information of the headband battery.

5. The battery earphone headband according to claim 4, characterized in that: The audio power supply management module includes a battery power switch and an audio chip connection switch, the input end of the battery power switch is connected to the headband battery, the output end of the battery power switch is connected to the audio chip through the audio chip connection switch, the built-in battery of the XR host is connected to the audio chip connection switch through the power interface via the connecting line, and the main controller is connected to the control end of the battery power switch to control the on and off of the battery power switch according to the power information of the headband battery obtained by detection.

6. The battery earphone headband according to claim 5, characterized in that: The output end of the battery power supply switch is connected to the input end of the audio chip connection switch through a voltage regulator, the input end of the voltage regulator is connected to the power interface, and the output end of the audio chip connection switch is connected to the audio chip.

7. The battery earphone headband according to claim 5, characterized in that: The input end of the battery power switch is connected to the power interface through the connecting line.

8. The battery earphone headband according to claim 5, characterized in that: The headband body is also provided with an earphone switching button, which is connected to the main controller, and the main controller is connected to the control end of the audio chip connection switch, and is used to control the on and off of the audio chip connection switch according to the earphone switching signal of the earphone switching button.

9. An XR device, characterized in that: It comprises the battery earphone headband and the XR host according to any one of claims 1 to 8, wherein the XR host is connected to the battery earphone headband, and the battery earphone headband is connected to the power interface of the XR host through a connecting line.

10. A battery headset headband control method, characterized in that: The battery earphone headband is applied to the XR device according to claim 9, and the battery earphone headband control method comprises the following steps: Power the XR host and headband headset module through the headband battery; Power the headband headset module through the XR host; The audio digital signal transmitted by the XR host is analyzed and processed through the headband headphone module and then the audio is played.

11. The battery earphone headband control method according to claim 10, characterized in that: The step of supplying power to the XR host and the headband headset module through the headband battery also includes: Detect the battery power information of the headband; When the power information of the headband battery is greater than zero, the headband battery is controlled to supply power to the XR host.

12. The battery earphone headband control method according to claim 11, characterized in that: After the step of detecting the power information of the headband battery, the method further includes: Comparing the power information of the headband battery with a preset battery power on threshold; When the power information of the headband battery is not lower than a preset battery power supply conduction threshold, the battery power supply switch is controlled to be turned on, and the headband battery is controlled to supply power to the audio chip.

13. The battery headset headband control method according to claim 12, characterized in that: After the step of comparing the power information of the headband battery with the preset battery power supply conduction threshold, the method further includes: When the power information of the headband battery is not lower than the preset battery power conduction threshold, comparing the power information of the headband battery with the preset power threshold required by the earphone; When the power information of the headband battery is lower than the preset power required by the headphones, the XR host is controlled to supply power to the audio chip.

14. The battery earphone headband control method according to claim 12, characterized in that: After the step of comparing the power information of the headband battery with the preset battery power supply conduction threshold, the method further includes: When the power information of the headband battery is lower than the preset battery power conduction threshold, the battery power switch is controlled to turn off, and the XR host is controlled to supply power to the audio chip.

Images