CN207720371U - Bluetooth headset based on power line communication - Google Patents

Abstract

The utility model discloses a bluetooth headset based on power line communication, including charging the box, earphone and power cord, charging the box and passing through power cord electric connection with the earphone, be equipped with DC power supply in the box that charges, first treater and first modem, be equipped with the battery in the earphone, power management module, the second treater, second modem and loudspeaker, DC power supply and first modem all with first treater electric connection, battery and power management module electric connection, power management module and second treater electric connection, second modem and loudspeaker all with second treater electric connection. The utility model discloses can realize two-way signal transmission between charging box and the earphone, pair the earphone, switch on and off, order such as broadcast music are sent the earphone, reach headphone control and convenient to use's effect, have solved the problem that earphone battery capacity is little, have promoted the user and have felt to the use of earphone.

Description

Bluetooth headset based on power line communication

technical field

The utility model relates to the field of bluetooth earphones, in particular to a bluetooth earphone based on power line communication.

Background technique

The existing bluetooth earphone is limited by its own battery capacity and needs to be charged in time, but when charging, the function of the bluetooth earphone is limited. The charging box cannot transmit data and signals to the Bluetooth headset, and cannot control the functions of the Bluetooth headset.

Utility model content

The purpose of this utility model is to provide a Bluetooth headset based on power line communication, which can solve one or more of the above problems.

According to one aspect of the present invention, a Bluetooth earphone based on power line communication is provided, including a charging box, an earphone and a power line, the charging box and the earphone are electrically connected through the power line, and a DC power supply, a first The processor and the first modem are equipped with a battery, a power management module, a second processor, a second modem, and a speaker in the earphone. Both the DC power supply and the first modem are electrically connected to the first processor, and the battery is electrically connected to the power management module. The power management module is electrically connected to the second processor, and the second modem and the speaker are electrically connected to the second processor.

The beneficial effect of the utility model is that: the DC power supply charges the battery in the earphone through the power cord and the power management module of the earphone, and the battery supplies power to the second processor through the power management module. The power management module can perform voltage conversion, which solves the problem of small battery supply for earphones. The first processor sends a specific signal to the first modem, the first modem converts the signal into a high-frequency signal, and sends it to the second modem in the earphone through the power cord, and the second modem restores the received high-frequency signal to the original signal , sent to the second processor. The second processor performs functions based on the original signal. In this way, users can send commands such as pairing, switching on and off, and playing music to the earphones through the charging box and power cord, so as to achieve the effect of earphone control. The second processor in the headset can send the signal to the second modem, the second modem converts the signal into a high-frequency signal, and transmits it to the first modem through the power line, and the first modem converts the high-frequency signal into an original signal and sends it to the first processor. In this way, two-way signal transmission between the charging box and the earphone can be realized. The utility model can realize two-way signal transmission between the charging box and the earphone, and send commands such as earphone pairing, switching on and off, and playing music to the earphone, so as to achieve the effect of earphone control and convenient use, solve the problem of small battery capacity of the earphone, and greatly improve It improves the user's favorable impression on the use of earphones.

In some embodiments, the present invention also includes a ground wire, and the charging box and the earphone are electrically connected through the ground wire. During the communication signal transmission process, the power line and the ground line are required to perform signal transmission through differential signals.

In some implementations, the DC power supply is electrically connected to the power management module through a power cord. After the voltage conversion function of the power management module, the DC power supply charges the battery in the earphone through the power cord and the power management module.

In some implementations, the first modem is electrically connected to the second modem through a power line. The first modem converts the signal of the first processor into a high-frequency signal, the first modem sends the high-frequency signal to the second modem through the power line, and the second modem converts the received high-frequency signal into an original signal and transmits it to the second modem Two processors. The second modem can convert the signal sent by the second processor into a high-frequency signal, and send it to the first modem through the power line, and the first modem converts the received high-frequency signal into an original signal, and transmits it to the first processor. In this way, two-way signal transmission can be carried out between the charging box and the headset.

In some embodiments, the charging box further includes an LED light, and the LED light is electrically connected to the first processor. The first processor sends the signal to the LED light, and the LED light makes different blinking modes according to the signal, indicating different functions and states of the charging box and the earphone.

In some embodiments, the charging box further includes a button electrically connected to the first processor. The buttons represent different functions. When the user presses different buttons, the first processor sends a corresponding signal to the first modem according to the function of the button. The first modem converts the signal into a high-frequency signal and sends it to the earphone. A second modem and a second processor convert the signal to a raw signal to perform the function of the button.

In some embodiments, the earphone further includes a microphone, and the microphone is electrically connected to the second processor. The microphone can realize the call function of the Bluetooth headset.

Description of drawings

FIG. 1 is a schematic block diagram of a Bluetooth headset based on power line communication according to an embodiment of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Referring to Fig. 1, a bluetooth earphone based on power line communication of the present invention includes a charging box 1, an earphone 2 and a power cord 3, the charging box 1 and the earphone 2 are electrically connected through the power cord 3, and the charging box 1 is equipped with A DC power supply 4, a first processor 5 and a first modem 6, a battery 7, a power management module 8, a second processor 9, a second modem 10 and a speaker 11 are arranged in the earphone 2, and the DC power supply 4 and the first modem 6 Both are electrically connected to the first processor 5, the battery 7 is electrically connected to the power management module 8, the power management module 8 is electrically connected to the second processor 9, and the second modem 10 and the speaker 11 are electrically connected to the second processor 9. sexual connection.

The utility model also includes a ground wire 12 through which the charging box 1 and the earphone 2 are electrically connected. The DC power supply 4 is electrically connected to the power management module 8 through the power line 3 . The first modem 6 is electrically connected to the second modem 10 through the power line 3 .

The charging box 1 also includes an LED light 13 electrically connected to the first processor 5 . The charging box 1 also includes a button 14 electrically connected to the first processor 5 . The earphone 2 also includes a microphone 15 electrically connected to the second processor 9 .

The working mode of the utility model: charging function: when the earphone 2 is charging in the charging box 1, the DC power supply 4 in the charging box 1 charges the battery 7 through the power cord 3 and the power management module 8 in the earphone 2, and the power management module 8 The DC voltage can be converted so that the battery 7 can be used. The battery 7 provides power supply to the second manager 9 through the power management module 8 . The power management module 8 can convert the output voltage of the battery 7 to facilitate the use of the second manager 9 . At the same time, the DC power supply 4 provides power supply to the first processor 5 .

Two-way signal transmission function: the user can select the corresponding button 14 according to different functions, and the first processor 5 sends a specific signal to the first modem 6 according to the function corresponding to the button 14, and the first modem 6 converts the signal into a high-frequency signal , and send it to the second modem 10 in the earphone 2 through the power line 3, and the second modem 10 restores the received high-frequency signal to the original signal and sends it to the second processor 9. The second processor 9 executes functions selected by the user according to the original signal, such as earphone pairing, earphone power on and off, playing music, and the like. When the user selects the button 14 of the music playing function, after the above steps, the second processor 9 in the earphone 2 sends a signal to the speaker 11 after receiving the signal, and the speaker 11 will play music. When the earphone 2 is playing music, the second processor 9 sends a signal to the second modem 10, and the second modem 10 can convert the signal into a high-frequency signal, which is sent to the first modem 6 through the power line 3, and the first modem 6 will The received high-frequency signal is converted into an original signal and transmitted to the first processor 5, and the first processor 5 sends a signal to the LED lamp 13, and the LED lamp 13 makes a corresponding blinking mode. In this way, two-way signal transmission can be performed between the charging box 1 and the earphone 2, and the user can have a better understanding and control of the working status of the charging box 1 and the earphone 2. When the charging box 1 and the earphone 2 are working, the LED lights 13 indicate different functions and working states. The user can realize the call function of the earphone 2 through the speaker 11 and the microphone 15 .

What have been described above are only some embodiments of the present utility model. For those skilled in the art, without departing from the inventive concept of the present utility model, some modifications and improvements can be made, and these all belong to the protection scope of the present utility model.

Claims (7)

1. A Bluetooth earphone based on power line communication, characterized in that it includes a charging box, an earphone and a power cord, the charging box is electrically connected to the earphone through a power cord, and the charging box is provided with a DC power supply and a first processor and a first modem, a battery, a power management module, a second processor, a second modem and a speaker are arranged in the earphone, the DC power supply and the first modem are electrically connected to the first processor, and the battery is connected to the first modem The power management module is electrically connected, the power management module is electrically connected to the second processor, and the second modem and the speaker are both electrically connected to the second processor. 2. The Bluetooth headset based on power line communication according to claim 1, further comprising a ground wire, and the charging box is electrically connected to the headset through the ground wire. 3. The Bluetooth headset based on power line communication according to claim 1, wherein the DC power supply is electrically connected to the power management module through a power line. 4. The Bluetooth headset based on power line communication according to claim 1, wherein the first modem is electrically connected to the second modem through a power line. 5. The Bluetooth headset based on power line communication according to claim 1, wherein the charging box further comprises an LED light, and the LED light is electrically connected to the first processor. 6. The Bluetooth headset based on power line communication according to claim 1, wherein the charging box further comprises a button, and the button is electrically connected to the first processor. 7. The Bluetooth earphone based on power line communication according to claim 1, characterized in that, the earphone further comprises a microphone, and the microphone is electrically connected to the second processor.