Headband device

Abstract

The utility model discloses a head band device used for adapting to an XR host, the XR host comprises a host audio assembly, and the head band device comprises a head band main body, a circuit board, a head band earphone, a connection interface and a switching assembly. The headband main body comprises an XR host connecting piece, and the headband device is connected with an XR host through the XR host connecting piece; the circuit board is arranged in the headband main body; the headband earphones are arranged on the headband main body and are electrically connected with the circuit board; the connection interface is arranged on the headband main body, is electrically connected with the circuit board, and is also connected with the XR host; the switching assembly is connected with the circuit board, and the switching assembly is used for controlling the switching control of the audio assembly of the host and the sound output of the headphone. The headband device provided by the utility model can be matched with the XR host for use, the switching control of the audio component of the host and the sound output of the headband headphone can be realized through the switching component arranged on the headband headphone, and the switching operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of XR equipment, and in particular to a headband device adapted to an XR host. Background Art

[0002] Currently, XR (Extended Reality) headsets on the market have built-in speakers on both arms, which play sound near the user's ears. Because these speakers aren't placed directly against the user's ears, sound leaks out, creating privacy concerns and potentially disturbing nearby users.

[0003] To solve the above problems, XR devices are usually used with headband headphones. However, the switching control between the host audio components and the headband headphone sound output on existing XR devices is usually achieved by plugging and unplugging the audio cable of the headband headphone, which makes the switching operation inconvenient. Summary of the Invention

[0004] The utility model provides a headband device which facilitates the switching control operation of the sound output of a host audio component and a headband earphone.

[0005] The utility model adopts the following technical solution:

[0006] A headband device is used to adapt to an XR host, wherein the XR host includes a host audio component. The headband device includes: a headband body, wherein the headband body includes an XR host connector, and the headband device is connected to the XR host via the XR host connector; a circuit board, wherein the circuit board is arranged in the headband body; headband headphones, wherein the headband headphones are arranged on the headband body and electrically connected to the circuit board; a connection interface, wherein the connection interface is arranged on the headband body and electrically connected to the circuit board, and the connection interface is also connected to the XR host; a switching component, wherein the switching component is connected to the circuit board; wherein the switching component is used to control the switching control of the sound output of the host audio component and the headband headphones.

[0007] Preferably, the switching component includes at least one switch, and the at least one switch controls the switching between the host audio component and the headband headphone sound output by disconnecting or connecting the headband headphone sound output.

[0008] Preferably, the at least one switch controls the switching of the sound output of the host audio component and the headphone by disconnecting or connecting the transmission of the audio signal.

[0009] Preferably, the headband device further includes a power supply, and the at least one switch is connected to the power supply. The at least one switch controls the switching of the sound output of the host audio component and the headband headphones by disconnecting or connecting the power supply of the headband headphones.

[0010] Preferably, the headband device further includes a power supply, and the at least one switch is connected to the power supply. The at least one switch controls the switching control of the sound output of the host audio component and the headband headphones by disconnecting or connecting the power supply to the headphone audio decoding module.

[0011] Preferably, the headband earphones include a first earphone and a second earphone, and the switching component is provided on the first earphone or the second earphone.

[0012] Preferably, the circuit board includes an MCU control module and a headphone audio decoding module. The headphone audio decoding module is used to decode the audio signal output by the XR host and output it to the headband headphones. The MCU control module is used to control the power supply of the headphone audio decoding module to be disconnected or turned on according to the switching signal output by the switching component, so as to control the switching control of the sound output of the host audio component and the headband headphones.

[0013] Preferably, the circuit board also includes an audio power supply module and an MCU power supply module, the MCU power supply module is used to supply power to the MCU control module, and the audio power supply module is used to supply power to the headphone audio decoding module.

[0014] Preferably, the headband earphone is connected to the headband body via a rotary joint.

[0015] The beneficial technical effect of the present invention is that the above-mentioned headband device can be used in conjunction with the XR host, and the switching control of the host audio component and the headband headphone sound output can be achieved through the switching component set on the headband headphone, and the switching operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the headband device of the present invention;

[0017] Figure 2 This is a schematic diagram of the circuit connection between the headband device and the XR host of the present invention;

[0018] Figure 3 This is a functional structural block diagram of the headband device of the present invention;

[0019] Figure 4 This is a circuit diagram of the connection interface of the utility model;

[0020] Figure 5 This is a circuit diagram of the MCU control module of the present utility model;

[0021] Figure 6 This is a circuit diagram of the headphone audio decoding module of the present invention;

[0022] Figure 7 This is a circuit diagram of the MCU power supply module of the present utility model;

[0023] Figure 8 This is a circuit diagram of the audio power supply module of the present utility model;

[0024] Figure 9 This is a circuit diagram of the switching component of the present invention. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to more clearly understand the purpose, technical solutions and advantages of the present invention, the present invention is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, unless otherwise clearly specified and limited, the term "electrical connection" in the specification and claims of the present invention and the above-mentioned drawings should be understood in a broad sense. For example, it can be a fixed electrical connection, a detachable electrical connection, or an integral electrical connection; it can be a mechanical electrical connection, an electrical electrical connection, or mutual communication; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two components or the interaction relationship between two components.

[0026] The utility model provides a headband device for adapting to an XR host, wherein the XR host includes a host audio component (XR speaker or loudspeaker).

[0027] like Figure 1-3 As shown, in one embodiment of the present invention, the headband device includes a headband body 100, a circuit board 210, a headband headset 200, a connection interface 101 and a switching component 300; the headband body 100 includes an XR host connector, and the headband device is connected to the XR host through the XR host connector; the circuit board 210 is arranged in the headband body 100; the headband headset 200 is arranged on the headband body 100 and is electrically connected to the circuit board 210; the connection interface 101 is arranged on the headband body The headband device 100 is connected to the body 100 and is electrically connected to the circuit board 210. The connection interface 101 is also connected to the XR host. The connection interface 101 adopts a male connector, and the audio output port on the XR host adopts a female connector. The male connector is connected to the female connector to realize the connection between the connection interface 101 and the XR host, that is, the headband device is connected to the XR host; the switching component 300 is connected to the circuit board 210, wherein the switching component 300 is used to control the switching control of the host audio component and the headband headphone sound output.

[0028] The switching component 300 includes at least one switch, which controls the switching between the host audio component and the headband headphone sound output by disconnecting or connecting the sound output of the headband headphone 200. In one embodiment of the present invention, the at least one switch controls the switching between the host audio component and the headband headphone sound output by disconnecting or connecting the transmission of audio signals; in another embodiment of the present invention, the headband device further includes a power supply, the at least one switch is connected to the power supply, and the at least one switch controls the switching between the host audio component and the headband headphone sound output by disconnecting or connecting the power supply to the headband headphone; in yet another embodiment of the present invention, the headband device further includes a power supply, the at least one switch is connected to the power supply, and the at least one switch controls the switching between the host audio component and the headband headphone sound output by disconnecting or connecting the power supply to the headphone audio decoding module.

[0029] The headband headset 200 includes a left earphone 220 and a right earphone 230, and the switch component 300 is disposed on the left earphone 220 or the right earphone 230. To facilitate operation by the right hand, in some preferred embodiments of the present invention, the switch component 300 is disposed on the side wall of the right earphone 230.

[0030] like Figure 3 As shown, in a preferred embodiment of the present invention, the circuit board 210 includes an MCU (Microcontroller Unit, also often referred to as a single-chip microcomputer) control module 212 and a headphone audio decoding module 214. The headphone audio decoding module 214 is used to decode the audio signal output by the XR host and output it to the headband headset 200. The MCU control module 212 is used to control the power supply of the headphone audio decoding module 214 to be disconnected or turned on according to the switching signal output by the switching component 300, so as to control the switching control of the sound output of the host audio component and the headband headset.

[0031] The circuit board 210 further includes an audio power supply module 215 and an MCU power supply module 213 . The MCU power supply module 213 is used to supply power to the MCU control module 212 , and the audio power supply module 215 is used to supply power to the headphone audio decoding module 214 .

[0032] Figure 4 FIG. 1 shows a circuit schematic diagram of the connection interface 101. The connection interface 101 is composed of a connector J1 and its peripheral circuits. Figure 5 As shown, the MCU control module 212 includes an MCU chip U3 and its peripheral circuits.

[0033] like Figure 7As shown, the MCU power supply module 213 includes a voltage regulator U5, a resistor R84, a capacitor C57, a capacitor C58, and a capacitor C59. The voltage regulator U5 can be an HT7333 model or other voltage stabilizing device. The input end of the voltage regulator U5 is connected to the power line pins (pins 3 and 4) of the connector J1. The output end of the voltage regulator U5 is connected to the power pin (pin 5) of the MCU chip U3 through the resistor R84. One end of the capacitor C57 is connected to the input end of the voltage regulator U5, and the other end of the capacitor C57 is connected to the power ground. One end of the capacitor C58 is connected to the output end of the voltage regulator U5, and the other end of the capacitor C58 is connected to the power ground. Capacitor C59 is connected in parallel with capacitor C58. The power signal input through the connector J1 is processed by the voltage regulator U5 and output to the power pin of the MCU chip U3 to power the MCU chip U3. To protect the MCU chip U3 from being damaged by static electricity, an ESD (Electro-Static discharge) diode DZ75 is connected in parallel to the output end of the MCU power supply module 213 , that is, an ESD diode DZ75 is connected in parallel to the power pin of the MCU chip U3 .

[0034] like Figure 6 As shown, the headphone audio decoding module 214 includes an audio chip U6 and its peripheral circuits. The audio chip U6 can be an AB136D model or other audio chip. The audio signal from the XR host is input to pins 14 and 15 of the audio chip U6 via pins 6 and 7 of connector J1. After being processed by the audio chip U6, it is output to pins 1, 2, and 4 of the audio chip U6 to the left earphone 220 and the right earphone 230.

[0035] like Figure 8As shown, the audio power supply module includes a voltage regulator U7, a transistor Q1, a transistor QS6, a MOS tube QS4, a resistor R19, a resistor R61, a resistor R64, a capacitor C22, a capacitor C38, a capacitor C43 and a capacitor C633. The voltage regulator U7 can be a HT7344-1 model or other voltage regulator devices. The input end of the voltage regulator U7 is connected to the power line pin (pins 3 and 4) of the connector J1 through the resistor R61, the emitter of the transistor QS6 is connected to the power line pin of the connector J1, the base of the transistor QS6 is connected to the input end of the voltage regulator U7, and the collector of the transistor QS6 is connected to the output end of the voltage regulator U7. The capacitors C38 and C633 are connected in parallel at the input of the voltage regulator U7, while the capacitors C22 and C43 are connected in parallel at the output of the voltage regulator U7. The output of the voltage regulator U7 is connected to the source of the MOS transistor QS4. The drain of the MOS transistor QS4 is connected to the power supply of the headphone audio decoding module 214 (i.e., pin 9 of the audio chip U6). The source of the MOS transistor QS4 is connected to the gate of the MOS transistor QS4 via a resistor R64. The gate of the MOS transistor QS4 is connected to the collector of the transistor Q1. The emitter of the transistor Q1 is connected to the power ground. The base of the transistor Q1 is connected to pin 18 of the MCU chip U3 via a resistor R19. The power signal input via connector J1 is processed by the voltage regulator U7 and then output via the MOS transistor QS4 to pin 9 of the audio chip U6, providing power to the audio chip U6.

[0036] like Figure 9 As shown, the switching component 300 includes a switch S2 and a resistor R51. One end of the switch S2 is connected to the power ground, and the other end of the switch S2 is connected to the MCU control module 212 through the resistor R51. In this embodiment, the switch S2 is a push button switch, which can be used to switch between the host audio component channel and the headphone channel by pressing a button; in other embodiments, the switch S2 can also be a toggle switch or a touch switch, which can be used to switch between the host audio component channel and the headphone channel by toggling, double-clicking, or single-clicking.

[0037] When the user uses the headband headphones 200 for a long time and wants to switch to the host audio component channel, the switch S2 is adjusted, and the switching component 300 outputs a switching signal LED2 to the 14th pin of the MCU chip U3. The MCU chip U3 outputs a control signal to the audio power supply module 215 according to the switching signal LED2, and controls the audio power supply module 215 to stop supplying power to the headphone audio decoding module 214, so as to turn off the sound of the headband headphones 200 and switch to the host audio component channel; when the user wants to use the headband headphones 200, the switch S2 is also adjusted, and the switching signal LED2 output by the switching component 300 to the 14th pin of the MCU chip U3 is adjusted, thereby adjusting the control signal output by the MCU chip U3 to the audio power supply module 215, and then controlling the audio power supply module 215 to start supplying power to the headphone audio decoding module 214, and at the same time, turn off the sound of the host audio component and switch to the headband headphone channel.

[0038] In some preferred embodiments of the present invention, the switching component further includes an ESD diode D75 connected in parallel with the switch S2. The ESD diode D75 can conduct static electricity to the ground to prevent electrostatic discharge from damaging electronic devices.

[0039] In some preferred embodiments of the present invention, the headband earphone 200 is connected to the headband body 100 via a rotating joint 103. The headband earphone 200 can be rotated relative to the headband body 100 to adjust its position, thereby providing a more comfortable wearing experience for the user.

[0040] To sum up, the headband device of the present invention can be used in conjunction with the XR host. The switching component set on the headband headphones can realize the switching control of the host audio component and the headband headphones' sound output. The switching operation is simple and convenient. In addition, the headband headphones play audio close to the user's ears, which not only solves the privacy problem, but also prevents the sound from being played outward and causing interference to people around.

[0041] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Those skilled in the art may make various equivalent changes and improvements based on the above embodiment. Any equivalent changes or modifications made within the scope of the claims shall fall within the scope of protection of the present invention.

Claims

1. A headband device adapted for an XR host, wherein the XR host includes a host audio component, characterized in that: The headband device comprises: A headband body, the headband body including an XR host connector, the headband device being connected to the XR host via the XR host connector; a circuit board, the circuit board being disposed in the headband body; A headband headset, the headband headset is arranged on the headband body and electrically connected to the circuit board; A connection interface, which is provided on the headband body and electrically connected to the circuit board, and is also connected to the XR host; a switching component connected to the circuit board; The switching component is used to control the switching control of the host audio component and the headband headphone sound output.

2. The headband device according to claim 1, wherein: The switching component includes at least one switch, and the at least one switch controls the switching between the host audio component and the headband headphone sound output by disconnecting or connecting the headband headphone sound output.

3. The headband device according to claim 2, wherein: The at least one switch controls the switching of the sound output of the host audio component and the headband headphones by disconnecting or connecting the transmission of the audio signal.

4. The headband device according to claim 2, wherein: The headband device also includes a power supply, and the at least one switch is connected to the power supply. The at least one switch controls the switching control of the sound output of the host audio component and the headband headphones by disconnecting or connecting the power supply of the headband headphones.

5. The headband device according to claim 2, wherein: The headband device also includes a power supply, and the at least one switch is connected to the power supply. The at least one switch controls the switching control of the host audio component and the headband headphone sound output by disconnecting or connecting the power supply of the headphone audio decoding module.

6. The headband device according to claim 1, wherein: The headband earphone includes a first earphone and a second earphone, and the switching component is arranged on the first earphone or the second earphone.

7. The headband device according to claim 1, wherein: The circuit board includes an MCU control module and a headphone audio decoding module. The headphone audio decoding module is used to decode the audio signal output by the XR host and output it to the headband headphones. The MCU control module is used to control the power supply of the headphone audio decoding module to be disconnected or turned on according to the switching signal output by the switching component, so as to control the switching control of the sound output of the host audio component and the headband headphones.

8. The headband device according to claim 7, wherein: The circuit board also includes an audio power supply module and an MCU power supply module. The MCU power supply module is used to supply power to the MCU control module, and the audio power supply module is used to supply power to the headphone audio decoding module.

9. The headband device according to claim 1, wherein: The headband earphone is connected to the headband body through a rotating joint.

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