CN218041720U

CN218041720U - Bone conduction earphone

Info

Publication number: CN218041720U
Application number: CN202221619523.0U
Authority: CN
Inventors: 陈超群; 魏宏磊; 吴涛; 刘新东; 狄俊; 叶煜; 马庆圆
Original assignee: Shanghai Listent Medical Tech Co ltd
Current assignee: Shanghai Listent Medical Tech Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-12-13
Anticipated expiration: 2032-06-27

Abstract

The utility model provides a bone conduction earphone, which comprises an earphone body and an EnOcean PTT module, wherein the EnOcean PTT module is connected with the earphone body; the EnOcean PTT module comprises an EnOcean key switch, an energy collector and a wireless transmission module; the EnOcean key switch is connected with the energy collector, and the energy collector collects mechanical energy generated by pressing the EnOcean key switch by a finger; the energy collector is connected with the wireless transmission module, and the energy collector converts mechanical energy into electric energy to supply to the wireless transmission module. The utility model provides a bone conduction headset utilizes EnOcean PTT module and earphone body to be connected after, can collect the small energy of pressing down the production, gives EnOcean PTT module power supply and transmission signal.

Description

Bone conduction earphone

Technical Field

The utility model relates to an electronic equipment technical field particularly, relates to a bone conduction earphone.

Background

The existing bone conduction communication earphone is divided into an integrated wired and wireless PTT key system, wherein the wired PTT key system needs wired connection and is greatly influenced by a connecting line in use, the wired PTT key system is placed on the shoulder and has high use limitation, and the wireless PTT key system is placed at a relatively flexible position.

However, the current bone conduction communication headset uses a wireless PTT key system with a battery, which results in a heavy PTT key system and inconvenience for placing on fingers, and on the other hand, the battery needs to be replaced, and the time for replacing the battery is uncertain, which results in a troublesome use.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a bone conduction earphone aims at solving current bone conduction earphone inconvenient problem that charges, the utility model discloses a bone conduction earphone utilizes EnOcean PTT module to be connected with the earphone body after, can collect and press the small energy of production, carries out ultra-low power consumption short distance wireless communication technique, realizes wireless PTT key system, need not change the battery or charge for EnOcean PTT module alone.

The utility model provides a bone conduction earphone, which comprises an earphone body and an EnOcean PTT module, wherein the EnOcean PTT module is connected with the earphone body and used for controlling the signal receiving and outputting of the earphone body;

the EnOcean PTT module comprises an EnOcean key switch, an energy collector and a wireless transmission module;

the EnOcean key switch is connected with the energy collector, and the energy collector collects mechanical energy generated by pressing the EnOcean key switch by a finger;

the energy collector is connected with the wireless transmission module, and the energy transmission module converts the mechanical energy into electric energy to supply to the wireless transmission module.

Specifically, the EnOcean PTT module is preferably a key system composed of PTMs 210, the power supply is provided by an energy collector, preferably, the energy collector may be a motor generator, the energy collector converts mechanical energy into electric energy to supply to the wireless transmission module, the wireless transmission module may transmit a wireless signal, and preferably, the wearer may switch the receiving and transmitting modes of the earphone body through the EnOcean key switch.

Further, the bone conduction headset further comprises a control box, preferably, the control box comprises a control processor and an EnOcean signal receiver;

the EnOcean signal receiver is in wireless connection with the wireless transmission module, the wireless transmission module sends the key signal to the EnOcean signal receiver, and the EnOcean signal receiver receives the key signal of the wireless transmission module;

the EnOcean signal receiver is connected with the control processor and sends the received key signals to the control processor so as to be used for controlling the working mode of the earphone body by the control processor.

Specifically, the control processor may be an STM32L475, IMXRT1052, i.mx6, or the like processor.

Further, the bone conduction earphone further comprises a bone conduction microphone, the bone conduction microphone is connected with the EnOcean signal receiver, if the EnOcean signal receiver receives a key signal, the bone conduction microphone collects an audio output signal of a wearer, and if the EnOcean signal receiver does not receive the key signal, the bone conduction microphone is not started;

the bone conduction microphone is connected with the control processor, and the bone conduction microphone sends the received audio output signal to the control processor for noise reduction processing.

Furthermore, the bone conduction headset further comprises an interphone interface, the interphone interface is connected with the control processor, and the interphone interface is adjusted to be in an audio receiving mode or an audio output mode according to a key signal sent by the control processor.

And the control processor sends the audio output signal subjected to noise reduction processing to an interphone interface so as to realize the output of the audio output signal.

In particular, the interphone interface may be a K-type interface.

Furthermore, the bone conduction headset further comprises an interphone, the interphone is connected with the interphone interface, the interphone interface transmits the audio output signal from the control processor to the interphone to achieve output of the audio output signal, and the interphone interface receives audio receiving data from the interphone and transmits the audio receiving data to the control processor.

Furthermore, the bone conduction earphone further comprises a bone conduction speaker, the bone conduction speaker is connected with the control processor, and the control processor processes audio receiving data from the interphone interface and sends the audio receiving data to the bone conduction speaker so that a wearer can receive input audio information.

Furthermore, the control box further comprises a power management module, and the power management module is connected with the control processor and used for managing the electric energy supply of the earphone body.

Specifically, the power management module is preferably a BQ27441 power management chip, which can monitor the battery power.

Compared with the prior art, the beneficial effects of the utility model reside in that: firstly, after the bone conduction earphone provided by the utility model is connected with the earphone body by arranging the EnOcean PTT module, the bone conduction earphone can collect the micro energy generated by pressing through the energy collector to convert the mechanical energy into electric energy, and supply power and transmit signals to the EnOcean PTT module, therefore, the EnOcean PTT module of the utility model does not need to be provided with a battery or charged, has simple structure and is convenient to use; second, the utility model discloses a mode of EnOcean key switch control earphone body, convenient to use places the position nimble.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a block diagram of an overall structure of a bone conduction headset according to an embodiment of the present invention;

fig. 2 is a block diagram of a structure of an EnOcean PTT module of a bone conduction earphone according to an embodiment of the present invention;

fig. 3 is a block diagram of the structure of inputting audio information by the bone conduction earphone according to the embodiment of the present invention;

fig. 4 is a block diagram of the structure of the bone conduction earphone outputting the audio signal according to the embodiment of the present invention.

Description of the drawings:

1-an earphone body; 2-EnOcean PTT module; 201-EnOcean push-button switch; 202-an energy collector; 203-wireless transmission module; 3-a control box; 301-a control processor; 302-EnOcean signal receiver; 4-bone conduction microphone; 5-interphone interface; 6, an interphone; 7-bone conduction speaker; 303-power management module.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-2, the bone conduction earphone of the present invention comprises an earphone body 1 and an EnOcean PTT module 2, wherein the EnOcean PTT module is connected to the earphone body 1 for controlling the signal reception and output of the earphone body 1;

the EnOcean PTT module 2 comprises an EnOcean key switch 201, an energy collector 202 and a wireless transmission module 203;

the EnOcean key switch 201 is connected with an energy collector 202, and the energy collector 202 collects mechanical energy generated by pressing the EnOcean key switch 201 with a finger;

the energy collector 202 is connected with the wireless transmission module 203, and the energy transmission module 202 converts the mechanical energy into electric energy to supply to the wireless transmission module 203.

The above bone conduction headset further comprises a control box 3, preferably, the control box 3 comprises a control processor 301 and an EnOcean signal receiver 302;

the EnOcean signal receiver 302 is connected with the wireless transmission module 203, and the wireless transmission module 203 sends the key signal to the EnOcean signal receiver 302;

the EnOcean signal receiver 302 is connected to the control processor 301, and the EnOcean signal receiver 302 sends the received key signal to the control processor 301, so as to control the processor 301 to control the working mode of the earphone body 1.

The bone conduction headset further comprises a bone conduction microphone 4, wherein the bone conduction microphone 4 is connected with the EnOcean signal receiver 302, if the EnOcean signal receiver 302 receives a key signal, the bone conduction microphone 4 collects an audio output signal of a wearer, and if the EnOcean signal receiver 302 does not receive the key signal, the bone conduction microphone 4 is not started;

the bone conduction microphone 4 is connected to the control processor 301, and the bone conduction microphone 4 transmits the received audio output signal to the control processor 301 for noise reduction processing.

The bone conduction headset further comprises an interphone interface 5, the interphone interface 5 is connected with the control processor 301, and the interphone interface 5 is adjusted to be in an audio receiving mode or an audio output mode according to a key signal sent by the control processor 301.

The control processor 301 sends the noise-reduced audio output signal to the intercom interface 5 to realize the output of the audio output signal.

The bone conduction headset further comprises an interphone 6, the interphone 6 is connected with an interphone interface 5, the interphone interface 5 transmits the audio output signal from the control processor 301 to the interphone 6 to achieve output of the audio output signal, and the interphone interface 5 receives audio receiving data from the interphone 6 and transmits the audio receiving data to the control processor 301.

The bone conduction headset further comprises a bone conduction speaker 7, the bone conduction speaker 7 is connected with the control processor 301, and the control processor 301 processes audio receiving data from the interphone interface 5 and then sends the audio receiving data to the bone conduction speaker 7 so that a wearer can receive input audio information.

Further, the control box 3 further includes a power management module 303, and the power management module 303 is connected to the control processor 301 and is configured to manage power supply to the earphone body 1.

Specifically, the utility model discloses a bone conduction headset actual work flow does:

when a wearer uses the bone conduction headset, the bone conduction headset enters an audio input signal receiving mode by default, referring to fig. 3, the interphone interface 5 receives audio input data from the interphone 6, and is connected with the control processor 301 through the interphone interface 5 to transmit the audio input data to the control processor 301, after the control processor 301 receives the audio input data, the audio input data is processed and is connected with the bone conduction speaker 7 through the control processor 301, and the audio input data is transmitted to the bone conduction speaker 7, so that the wearer can receive the input audio information.

Referring to fig. 4, when the user presses the EnOcean button switch 201, the bone conduction headset is switched to send an audio output signal, that is, the sound of the user is transmitted to the other end of the interphone 6, at this time, the bone conduction microphone 4 receives a signal of the bone vibration caused by the speaking of the user, and converts the signal into a corresponding audio output signal, the bone conduction microphone 4 is connected with the control processor 301, the audio output signal is transmitted to the control processor 301, the control processor 301 performs the algorithm noise reduction processing on the audio output signal, and the audio output signal is transmitted to the interphone 6 through the interphone interface 5, so as to output the audio data.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bone conduction earphone is characterized by comprising an earphone body and an EnOcean PTT module, wherein the EnOcean PTT module is connected with the earphone body and is used for controlling the signal receiving and outputting of the earphone body;

the energy collector is connected with the wireless transmission module, and the energy collector converts mechanical energy into electric energy to supply to the wireless transmission module.

2. The bone conduction headset of claim 1, further comprising a control box including a control processor and an EnOcean signal receiver;

the EnOcean signal receiver is in wireless connection with the wireless transmission module, and the wireless transmission module sends a key signal to the EnOcean signal receiver;

the EnOcean signal receiver is connected with the control processor and sends the received key signal to the control processor so that the control processor can control the working mode of the earphone body.

3. The bone conduction headset of claim 2, further comprising a bone conduction microphone connected to the EnOcean signal receiver, the bone conduction microphone collecting an audio output signal of the wearer if the EnOcean signal receiver receives the key signal, the bone conduction microphone not being activated if the EnOcean signal receiver does not receive the key signal;

4. The bone conduction headset of claim 2, further comprising an intercom interface, the intercom interface being connected to the control processor, the intercom interface being adapted to an audio receiving mode or an audio output mode according to a key signal sent by the control processor;

and the control processor sends the audio output signal subjected to noise reduction processing to the interphone interface so as to output the audio output signal.

5. The bone conduction headset of claim 4, further comprising an intercom, wherein the intercom is connected to an intercom interface, the intercom interface transmits the audio output signal from the control processor to the intercom to enable output of the audio output signal, and the intercom interface receives the audio receiving data from the intercom to transmit to the control processor.

6. The bone conduction headset of claim 4, further comprising a bone conduction speaker, wherein the bone conduction speaker is connected to the control processor, and the control processor processes audio reception data from the intercom interface and sends the audio reception data to the bone conduction speaker for a wearer to receive input audio information.

7. The bone conduction headset of claim 2, wherein the control box further comprises a power management module coupled to the control processor for managing the power supply to the headset body.