CN216930261U

CN216930261U - Bone conduction Bluetooth headset supporting quick charging

Info

Publication number: CN216930261U
Application number: CN202121278423.1U
Authority: CN
Inventors: 张长伟; 孙成友; 胡中骥
Original assignee: Cosonic Intelligent Technologies Co Ltd
Current assignee: Cosonic Intelligent Technologies Co Ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2022-07-08
Anticipated expiration: 2031-06-08

Abstract

The utility model provides a bone conduction Bluetooth headset supporting quick charging, which comprises a headset shell, a microphone used for collecting external sound signals, a bone conduction vibrator used for converting audio signals into vibration signals, and an integrated controller, a quick charging circuit, a battery and a power amplifier, wherein the integrated controller is arranged in the headset shell and provided with a Bluetooth circuit, the integrated controller transmits the audio signals to the bone conduction vibrator through the power amplifier, the integrated controller is connected with the battery through the quick charging circuit, and the integrated controller is electrically connected with the microphone. The bone conduction Bluetooth headset has the function of quick charging, so that the waiting time of a user is shortened, and the use experience of the user is improved.

Description

Bone conduction Bluetooth headset supporting quick charging

Technical Field

The utility model relates to the technical field of bone conduction earphones, in particular to a bone conduction Bluetooth earphone supporting quick charging.

Background

Along with science and technology development, the iteration is constantly updated to intelligent product and smart mobile phone APP application, and the bone conduction earphone is difficult to overcome the problem that battery capacity is little, and the bone conduction earphone needs longer charge time to charge after having consumed the electric quantity, has prolonged user's latency, can't satisfy user's experience demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bone conduction Bluetooth headset supporting quick charging, which can enable the bone conduction Bluetooth headset to have a quick charging function, further shorten the waiting time of a user and improve the use experience of the user.

Therefore, the bone conduction Bluetooth headset supporting quick charging comprises a headset shell, a microphone used for collecting external sound signals, a bone conduction vibrator used for converting audio signals into vibration signals, an integrated controller with a Bluetooth circuit arranged in the headset shell, a quick charging circuit, a battery and a power amplifier, wherein the integrated controller transmits the audio signals to the bone conduction vibrator through the power amplifier, is connected with the battery through the quick charging circuit and is electrically connected with the microphone.

Further, the battery is electrically connected with a battery protection board for protecting the battery from charge/discharge.

Further, the power amplifier is a class-D high-integration audio amplifier.

Further, the microphones are arranged in two, wherein one of the microphones is used for collecting external sound signals, and the other microphone is used for reducing noise.

Furthermore, the earphone shell is provided with two holes for embedding the microphone.

Further, the two holes are arranged away from each other.

According to the bone conduction Bluetooth headset supporting quick charging, the battery of the bone conduction Bluetooth headset is quickly charged through the integrated controller and the quick charging circuit which are electrically connected with each other, so that the waiting time of a user can be shortened, and the use experience of the user is improved.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

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.

Fig. 1 is a schematic structural diagram of a bone conduction bluetooth headset supporting fast charging according to the present invention.

Description of reference numerals: 1-an integrated controller; 2-a fast charging circuit; 3-a power amplifier; 4-pressing a key; 5-smart device/App; 6-a microphone; 7-crystal oscillator; 8-a battery; 9-bone conduction vibrator.

Detailed Description

The utility model is further described with reference to the following examples.

Referring to fig. 1, the bone conduction bluetooth headset supporting fast charging of this embodiment includes a headset housing, a microphone 6 for collecting external sound signals, a bone conduction vibrator 9 for converting audio signals into vibration signals, and further includes an integrated controller 1, a fast charging circuit 2, and a battery 8, which are disposed in the headset housing and electrically connected in sequence, wherein the integrated controller 1 is further electrically connected with a crystal oscillator 7 and the microphone 6, the integrated controller 1 transmits the audio signals to the bone conduction vibrator 9 through a power amplifier 3, and the fast charging circuit 2 and the integrated controller 1 communicate with each other in real time through I2C. A battery protection board is arranged in the battery 8 and used for ensuring that the battery 8 can be charged stably. The integrated controller 1 is a BES2300Z high-integration Bluetooth chip, and the BES2300Z high-integration Bluetooth chip is integrated by a controller and a Bluetooth circuit, and has the functions of both the controller and the Bluetooth circuit. The intelligent device/App 5 of the integrated controller 1 communicates with the external intelligent device/App 5 by using a BES2300Z Bluetooth 5.0 protocol, and transmits audio signals by a ble protocol, and the BES2300Z high-integration Bluetooth chip transmits the audio signals to the bone conduction vibrator 9 for playing. The battery 8 is embodied as a lithium battery. The crystal oscillator 7 is used to provide a reference signal to the integrated controller 1.

In order to realize the control of the bone conduction Bluetooth headset, the integrated controller 1 is also electrically connected with three keys 4, the three keys 4 are provided, and each key has different functions in different states, for example, in a music state, the three keys 4 respectively execute the functions of pause playing, next song playing, volume increasing and decreasing; in the conversation state, the three keys 4 respectively execute the functions of making a call, refusing to answer the incoming call and hanging up the conversation; in addition, a startup key is also arranged and used for entering a startup or shutdown mode by long-pressing the startup and shutdown key.

The power amplifier 3 provided on the connection line between the bone conduction vibrator 9 and the integrated controller 1 is used to secure the vibration frequency of the bone conduction vibrator 9. The power amplifier 3 adopts a D-type high-integration audio amplifier to support left and right channel stereo transmission, and can be controlled to enter modes such as low power consumption and mute through the integrated controller 1. The integrated controller 1 drives a class-D high-integration-level audio amplifier to transmit an audio signal to the bone conduction vibrator 9, and a Bluetooth protocol in the integrated controller 1 supports: protocols such as A2DP, AVRCP, HFP, BLE, etc., have the effect of high fidelity stereo.

In order to guarantee the noise reduction effect of the microphone 6, the microphone 6 is set to be two, one of the two microphones is used for collecting external sound signals, the other one is used for reducing noise, and the microphone 6 is tightly attached to the earphone shell under the condition that a user wears the bone conduction Bluetooth headset, so that the conversation quality is guaranteed, and the two microphones 6 have the ENC noise reduction auxiliary function.

In order to perform overtemperature protection on the fast charging circuit 2, the fast charging circuit 2 is a CW6305 chip, and an ntc pin of the CW6305 chip is connected with an acquisition pin of a BES2300Z high-integration-level Bluetooth chip, so as to acquire the temperature of the CW6305 chip in real time.

Claims

1. The utility model provides a support bone conduction bluetooth headset that fills soon, including earphone shell, a microphone for gathering outside sound signal, a bone conduction oscillator for inciting somebody to action audio signal converts vibration signal into, a serial communication port, still including setting up the integrated control ware that has bluetooth circuit in earphone shell, fill circuit, battery, power amplifier soon, integrated control ware transmits audio signal to bone conduction oscillator through power amplifier, integrated control ware is connected with the battery through filling circuit soon, integrated control ware and microphone electricity are connected.

2. The bone conduction bluetooth headset supporting fast charging according to claim 1, wherein the battery is electrically connected with a battery protection board for protecting the battery from charging/discharging.

3. The bone conduction bluetooth headset supporting fast charging according to claim 1, wherein the power amplifier is a class D high integration audio amplifier.

4. The Bluetooth bone conduction headset supporting quick charging according to claim 1, wherein the microphones are provided in two, one of which is used for collecting external sound signals, and the other is used for noise reduction.

5. The Bluetooth bone conduction headset supporting quick charging as claimed in claim 4, wherein the headset housing has two holes for inserting microphones.

6. The Bluetooth bone conduction headset supporting fast charging according to claim 5, wherein the two holes are located away from each other.