阅读说明：本技术 一种结合音箱和蓝牙耳机的装置 (Device combining sound box and Bluetooth headset ) 是由 龙伟伟 杨晋 于 2020-06-29 设计创作，主要内容包括：本发明公开了一种结合音箱和蓝牙耳机的装置,包括耳机本体及音箱本体,所述音箱本体设置有容纳腔容纳所述耳机本体；所述耳机本体设置有蓝牙芯片,切换单元,耳机电池,第一播放单元,及第一传输连接件；所述音箱本体设置有充电调压管理单元音箱电池,充电接口及模式控制按键,第二播放单元,及第二传输连接件；所述第一传输连接件与第二传输连接件可拆卸式连接用于充电或音频数据传输；所述模式控制按键用于控制充电调压管理单元的输出电压,切换单元用于根据所述输出电压的大小选择将蓝牙芯片接收的音频数据传输至第一播放单元或第二播放单元或不输出音频数据仅充电。本发明使得产品既具有蓝牙耳机的功能,又具有蓝牙音箱的功能。(The invention discloses a device combining a sound box and a Bluetooth headset, which comprises a headset body and a sound box body, wherein the sound box body is provided with an accommodating cavity for accommodating the headset body; the earphone body is provided with a Bluetooth chip, a switching unit, an earphone battery, a first playing unit and a first transmission connecting piece; the sound box body is provided with a charging voltage regulation management unit, a sound box battery, a charging interface, a mode control key, a second playing unit and a second transmission connecting piece; the first transmission connecting piece and the second transmission connecting piece are detachably connected and used for charging or audio data transmission; the mode control key is used for controlling the output voltage of the charging voltage regulation management unit, and the switching unit is used for selecting to transmit the audio data received by the Bluetooth chip to the first playing unit or the second playing unit or only charging without outputting the audio data according to the size of the output voltage. The invention ensures that the product has the functions of both the Bluetooth earphone and the Bluetooth sound box.)

1. A device combining a sound box and a Bluetooth headset comprises a headset body and a sound box body, and is characterized in that the sound box body is provided with an accommodating cavity for accommodating the headset body and charging the headset body;

the earphone body is provided with a Bluetooth chip, a switching unit and an earphone battery which are electrically connected with the Bluetooth chip, a first playing unit which is electrically connected with the switching unit, and a first transmission connecting piece which is electrically connected with the earphone battery and the switching unit;

the loudspeaker box body is provided with a charging voltage regulation management unit, a loudspeaker box battery, a charging interface and a mode control key which are electrically connected with the charging voltage regulation management unit, a second playing unit and a second transmission connecting piece which is electrically connected with the charging voltage regulation management unit and the second playing unit;

the first transmission connecting piece and the second transmission connecting piece are detachably connected and used for charging or audio data transmission;

the mode control key is used for controlling the output voltage of the charging voltage regulation management unit, and the switching unit is used for selecting to transmit the audio data received by the Bluetooth chip to the first playing unit or the second playing unit or not to output the audio data and only charge the audio data according to the size of the output voltage.

2. The device of claim 1, wherein the switching unit is provided with a switching MCU of type WD2216-QFN 20.

3. The device of claim 2, wherein the first playing unit comprises a first power amplifier chip electrically connected to the switching MCU, and an earphone speaker electrically connected to the first power amplifier chip;

the second playing unit comprises a second power amplifier chip electrically connected with the second transmission connecting piece and a loudspeaker box electrically connected with the second power amplifier chip.

4. The device as claimed in claim 1, wherein the first transmission connector comprises a positive and negative power transmission terminal and a data transmission terminal, and the second transmission connector comprises a positive and negative power transmission terminal and a data transmission terminal for electrically connecting to the positive and negative power transmission terminal and the data transmission terminal of the first transmission connector, respectively.

5. The device of claim 4, wherein the first transmission connector is a 4Pin female connector, and correspondingly, the second transmission connector is a 4Pin male connector.

6. The device of claim 1, wherein the bluetooth chip model is RDA 5856E.

7. The device of claim 1, wherein the second power amplifier chip is of a type CS 4230E.

8. The device of claim 1, wherein the charging and voltage-regulating management unit comprises a charging management chip electrically connected to a battery of the speaker and the charging interface, and a voltage-regulating chip electrically connected to the charging management chip, the voltage-regulating chip being electrically connected to the mode control button and the second transmission connector, the mode control button controlling the output voltage of the voltage-regulating chip;

the model of the charging management chip is ETA4054, and the model of the voltage regulating chip is SGM 6605.

9. The device of claim 1, wherein the two accommodating cavities of the speaker body are used for accommodating two earphone bodies, and a second transmission connecting part is disposed at the bottom of each accommodating cavity and can be connected with a first transmission connecting part at the bottom of an earphone body;

the earphone body is further provided with an LED lamp and a function button which are electrically connected with the Bluetooth chip.

10. The device of claim 3, wherein the earphone speaker is configured as a moving coil unit and/or a moving iron unit.

Technical Field

The invention relates to the technical field of Bluetooth playing equipment, in particular to a device combining a sound box and a Bluetooth headset.

Background

The theory of operation of bluetooth headset or bluetooth speaker is the same on the whole, at first, cell-phone or player decode the music file, then send digital signal for bluetooth headset or bluetooth speaker through the bluetooth, secondly, after bluetooth headset or bluetooth speaker received the signal, the bluetooth chip will carry out the transcoding and become the signal of simulation, analog signal needs inside amplification chip to signal amplification in bluetooth headset or bluetooth speaker, the sound production unit of last bluetooth headset or bluetooth speaker receives the signal after amplifying and plays, the music melody that our ears heard is exported.

The existing market has the advantages that the Bluetooth headset or the Bluetooth sound box is generally used separately, the headset and the sound box are not integrated together, and the product has the headset function and the sound box function.

Therefore, the prior art has yet to be improved.

Disclosure of Invention

In view of the above disadvantages of the prior art, the present invention provides a device combining a speaker and a bluetooth headset, and aims to make a product have both the function of a bluetooth headset and the function of a bluetooth speaker.

In order to realize the purpose, the invention adopts the following technical scheme:

the invention provides a device combining a sound box and a Bluetooth headset, which comprises a headset body and a sound box body, wherein the sound box body is provided with an accommodating cavity for accommodating the headset body and charging the headset body;

the earphone body is provided with a Bluetooth chip, a switching unit and an earphone battery which are electrically connected with the Bluetooth chip, a first playing unit which is electrically connected with the switching unit, and a first transmission connecting piece which is electrically connected with the earphone battery and the switching unit;

the loudspeaker box body is provided with a charging voltage regulation management unit, a loudspeaker box battery, a charging interface and a mode control key which are electrically connected with the charging voltage regulation management unit, a second playing unit and a second transmission connecting piece which is electrically connected with the charging voltage regulation management unit and the second playing unit;

the first transmission connecting piece and the second transmission connecting piece are detachably connected and used for charging or audio data transmission;

the mode control key is used for controlling the output voltage of the charging voltage regulation management unit, and the switching unit is used for selecting to transmit the audio data received by the Bluetooth chip to the first playing unit or the second playing unit or not to output the audio data and only charge the audio data according to the size of the output voltage.

The switching unit is provided with a switching MCU, and the switching MCU is WD2216-QFN20 in model.

The first playing unit comprises a first power amplifier chip electrically connected with the switching MCU and an earphone loudspeaker electrically connected with the first power amplifier chip;

the second playing unit comprises a second power amplifier chip electrically connected with the second transmission connecting piece and a loudspeaker box electrically connected with the second power amplifier chip.

The first transmission connecting piece comprises a power supply positive and negative electrode transmission terminal and a data transmission terminal, and correspondingly, the second transmission connecting piece comprises a power supply positive and negative electrode transmission terminal and a data transmission terminal which are respectively used for being electrically connected with the power supply positive and negative electrode transmission terminal and the data transmission terminal of the first transmission connecting piece.

The first transmission connecting piece is a 4Pin female connector, and correspondingly, the second transmission connecting piece is a 4Pin male connector.

Wherein, the Bluetooth chip model is RDA 5856E.

The model of the second power amplifier chip is CS 4230E.

The charging and voltage-regulating management unit comprises a charging management chip electrically connected with a sound box battery and a charging interface, and a voltage-regulating chip electrically connected with the charging management chip, wherein the voltage-regulating chip is electrically connected with a mode control key and a second transmission connecting piece, and the mode control key controls the output voltage of the voltage-regulating chip;

the model of the charging management chip is ETA4054, and the model of the voltage regulating chip is SGM 6605.

The bottom of each accommodating cavity is provided with a second transmission connecting piece which can be connected with a first transmission connecting piece at the bottom of one earphone body;

the earphone body is further provided with an LED lamp and a function button which are electrically connected with the Bluetooth chip.

Wherein, the earphone loudspeaker is arranged as a moving coil unit and/or a moving iron unit.

According to the device combining the sound box and the Bluetooth earphone, the earphone body and the sound box body accommodating the earphone body are arranged, the earphone body is provided with the Bluetooth chip, the switching unit, the first playing unit and the first transmission connecting piece, the sound box body is provided with the charging voltage regulation management unit, the mode control key, the second playing unit and the second transmission connecting piece, and the first transmission connecting piece and the second transmission connecting piece are detachably connected and used for charging or audio data transmission between the earphone body and the sound box body; the mode control key adjusts the output voltage of the charging voltage regulation management unit, the switching unit selects to transmit the audio data received by the Bluetooth chip to the first playing unit or the second playing unit or not to output the audio data according to the output voltage and only charges the audio data, so that the device of the invention provides the audio data for the earphone body or the sound box body through the same Bluetooth chip and selects loudspeaker playing or only charges the earphone body through the switching unit, so that the device has the functions of the Bluetooth earphone and the Bluetooth sound box at the same time, the structure is simple, the cost performance is high, and the portability and the privacy of the existing Bluetooth earphone are realized; but also has the playability, the sharing performance and the high tone quality of the Bluetooth sound box.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is an exploded view of a first embodiment of the device of the present invention incorporating a speaker and a Bluetooth headset;

FIG. 2 is a schematic circuit diagram of a first embodiment of the device of the present invention incorporating a speaker and a Bluetooth headset;

FIG. 3 is a schematic circuit diagram of a Bluetooth chip according to the present invention;

FIG. 4 is a schematic circuit diagram of a second embodiment of the device of the present invention incorporating a speaker and a Bluetooth headset;

FIG. 5 is a schematic diagram of the circuit connection of the switching MCU of the present invention;

FIG. 6 is a schematic circuit diagram of a second playback unit according to the present invention;

FIG. 7 is a schematic diagram of the electrical connections of the first transmission connector and the second transmission connector of the present invention;

FIG. 8 is a schematic diagram of the charging interface and the charging management chip according to the present invention;

FIG. 9 is a schematic diagram of the circuit connection of the voltage regulator chip and the mode control key according to the present invention;

description of reference numerals:

100-device, 1-earphone body, 11-Bluetooth chip, 12-switching unit, 121-switching MCU, 13-earphone battery, 14-first playing unit, 141-first power amplifier chip, 142-earphone speaker, 15-first transmission connecting piece, 16-LED lamp, 17-function button, 2-sound box body, 21-containing cavity, 22-charging voltage regulation management unit, 221-charging management chip, 222-voltage regulation chip, 23-sound box battery, 24-charging interface, 25-mode control button, 26-second playing unit, 261-second power amplifier chip, 262-sound box speaker, 27-second transmission connecting piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present invention, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "connected" may be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Referring to fig. 1 and 2, the present invention provides a device 100 combining a speaker and a bluetooth headset, including a headset body 1 and a speaker body 2, wherein the speaker body 2 is provided with an accommodating cavity 21 for accommodating the headset body 1 and charging the headset body 1. The earphone body 1 and the sound box body 2 both comprise a shell, and a circuit and an electronic element which are arranged in the shell.

Specifically, the earphone body 1 is provided with a bluetooth chip 11, a switching unit 12 and an earphone battery 13 electrically connected with the bluetooth chip 11, a first playing unit 14 electrically connected with the switching unit 12, and a first transmission connecting piece 15 electrically connected with the earphone battery 13 and the switching unit 12. The bluetooth chip 11 is used for wirelessly receiving audio data sent by electronic equipment such as a smart phone through bluetooth and performing codec analog-to-digital conversion on the data. The earphone battery 13 provides power for the bluetooth chip 11, the switching unit 12 and the first playing unit 14.

The sound box body 2 is provided with a charging voltage regulation management unit 22, a sound box battery 23 electrically connected with the charging voltage regulation management unit 22, a charging interface 24 and a mode control key 25, a second playing unit 26, and a second transmission connecting piece 27 electrically connected with the charging voltage regulation management unit 22 and the second playing unit 26.

The first transmission connector 15 and the second transmission connector 27 are detachably connected for charging or audio data transmission.

The charging voltage-regulating management unit 22 is connected with an external power supply through a charging interface 24 to charge the speaker battery 23, the speaker battery 23 supplies power to the second playing unit 26, and the earphone battery 13 is charged through the connection of the first transmission connecting piece 15 and the second transmission connecting piece 27.

The mode control key 25 is used for controlling the output voltage of the charging voltage regulation management unit 22, and the switching unit 12 is used for selecting to transmit the audio data received by the bluetooth chip 11 to the first playing unit 14 or the second playing unit 26 or not to output the audio data according to the magnitude of the output voltage and only charging. The charging voltage regulation management unit 22 not only manages charging of the speaker battery 23, but also regulates output voltages output from the speaker battery 23 to the second transmission connector 27, the first transmission connector 15, and the earphone battery 13. And the adjustment of the output voltage is triggered by the mode control button 25. That is, when the mode control button 25 is pressed, the output voltage of the charging voltage regulation management unit 22 is changed.

The switching unit 12 detects the magnitude of the output voltage of the charging voltage-regulating management unit 22 to select whether to output the audio data of the bluetooth chip 11 to the first playing unit 14 of the earphone body 1 for playing or to output the audio data to the second playing unit 26 of the speaker body 2 for playing, or to simply charge the earphone battery 13 without outputting the audio data.

As the first transmission connector 15 is detachably connected to the second transmission connector 27, as an embodiment, the switching unit 12 can detect the input voltage of the first transmission connector 15 on the earphone body 1, that is, obtain the output voltage of the charging voltage regulation management unit 22.

If the input voltage of the first transmission connecting piece 15 is detected to be 0V, it indicates that the first transmission connecting piece 15 is disconnected from the second transmission connecting piece 27, the earphone body 1 is taken out of the sound box body 2, and at this time, the switching unit 12 sends the audio data of the bluetooth chip 11 to the first playing unit 14 of the earphone body 1 for playing.

When detecting that the input voltage of the first transmission connecting piece 15 is in the range of 3.6V to 4.2V, it indicates that the first transmission connecting piece 15 is connected to the second transmission connecting piece 27, the earphone body 1 is placed in the sound box body 2, and the voltage at this time is the normal working voltage of the bluetooth chip 11, and at this time, the switching unit 12 sends the audio data of the bluetooth chip 11 to the second playing unit 26 of the sound box body 2 for playing.

When the input voltage of the first transmission connecting piece 15 is detected to be 5V, it indicates that the first transmission connecting piece 15 is connected to the second transmission connecting piece 27, the earphone body 1 is placed in the sound box body 2, and the voltage at this time is the charging voltage of the earphone battery 13, at this time, the switching unit 12 does not output the audio data of the bluetooth chip 11, and only outputs the electric energy of the sound box battery 23 to the earphone battery 13 of the earphone body 1 through the second transmission connecting piece 27 and the first transmission connecting piece 15 for charging.

The device 100 of the present invention realizes the control of playing and charging the audio data through the bluetooth chip 11 and the switching unit 12 on the earphone body 1, and the bluetooth chip and the control chip do not need to be arranged on the speaker body 2. Compared with an independent Bluetooth headset and an independent Bluetooth sound box, the Bluetooth headset saves circuit configuration and has higher cost performance. Meanwhile, as the first playing unit 14 and the second playing unit 26 are respectively arranged on the earphone body 1 and the sound box body 2, the device 100 of the invention has the functions of both the bluetooth earphone and the bluetooth sound box, thereby expanding the functions of the product and improving the application range of the product.

Specifically, as shown in fig. 3, the bluetooth chip 11 of the embodiment of the present invention has model number RDA 5856E. The Bluetooth chip RDA5856E has 24 pins, is a high-performance high-integration multimedia Bluetooth chip, and is integrated to include a baseband, a Bluetooth transceiver, and a power management integrated in a system chip, and is specially applied to Bluetooth music and audio applications. The Bluetooth music box is suitable for Bluetooth speakers, Bluetooth music boxes, Bluetooth earphones and the like.

Preferably, as shown in fig. 4 and 5, the switching unit 12 of the embodiment of the present invention is provided with a switching MCU121, the switching MCU121 being of the model WD2216-QFN 20. That is, the switching unit 12 of this embodiment adopts a single chip to perform accurate control, and the switching MCU121 detects the voltage output from the charging voltage regulation management unit 22 to the first transmission connector 15, and selectively outputs the audio data sent by the bluetooth chip 11 to the first playing unit 14 of the earphone body 1 or the second playing unit 26 of the speaker body 2 through different output pins. When the earphone battery 13 is charged, the output pin of the MCU121 is switched to output no audio.

The WD2216-QFN20 chip and the RDA5856E chip are both powered by the earphone battery 13, and the power output end of the earphone battery 13 is connected with the VBAT pins of the WD2216-QFN20 chip and the RDA5856E chip.

Further, as shown in fig. 4, the first playing unit 14 includes a first power amplifier chip 141 electrically connected to the switching MCU121, and an earphone speaker 142 electrically connected to the first power amplifier chip 141.

The second playing unit 26 includes a second power amplifier chip 261 electrically connected to the second transmission connector 27, and a speaker 262 electrically connected to the second power amplifier chip 261.

The first power amplifier chip 141 and the second power amplifier chip 261 respectively amplify the power of the audio data sent by the bluetooth chip 11 to the switching MCU121 to drive the earphone speaker 142 and the speaker 262 to play, and the earphone body 1 and the speaker body 2 both use independent power amplifier chips so that the device 100 of the present invention can obtain good sound quality no matter the audio is played through the earphone speaker or the speaker.

Preferably, the model of the second power amplifier chip 261 in the embodiment of the present invention is CS 4230E. Fig. 6 shows a circuit of the second playback unit 26 according to an embodiment of the present invention, in which pins INN (10) and INP (9) of the second power amplifier chip CS4230E are connected to the data transmission terminal of the second transmission connector 27 to receive DAC _ N and DAC _ P differential audio signals output from the switching MCU. The OUTN (15) and OUTP (12) pins of the CS4230E are connected to the speaker 262.

Preferably, the earpiece speaker 142 of the present embodiment is provided as a moving coil unit and/or a moving iron unit. This enables the earphone body 1 to further provide high quality sound quality.

As shown in fig. 7, the first transmission connector 15 of the embodiment of the present invention includes a positive and negative power transmission terminal and a data transmission terminal, and correspondingly, the second transmission connector 27 includes a positive and negative power transmission terminal and a data transmission terminal for electrically connecting with the positive and negative power transmission terminal and the data transmission terminal of the first transmission connector 15, respectively. The positive and negative transmission terminals of the power supply are used for transmitting electric energy to charge, and the data transmission terminals are used for transmitting audio data. The first transmission connector 15 and the second transmission connector 27 may be in the form of a plug, an interface, a conductive pin, or the like.

As an implementation manner, referring to fig. 1 and fig. 7, the first transmission connector 15 of the embodiment of the present invention is a 4Pin female connector, and correspondingly, the second transmission connector 27 is a 4Pin male connector. When the earphone body 1 is placed in the accommodating cavity 21 of the sound box body 2, the 4Pin female connector of the earphone body 1 is in contact communication with the 4Pin male connector of the sound box body 2, and the earphone body is used for charging and data transmission.

As shown in fig. 8 and 9, the charging voltage-regulating management unit 22 of the present invention includes a charging management chip 221 electrically connected to the speaker battery 23 and the charging interface 24, and a voltage-regulating chip 222 electrically connected to the charging management chip 221, wherein the voltage-regulating chip 222 is electrically connected to the mode control key 25 and the second transmission connector 27, and the mode control key 25 controls the output voltage of the voltage-regulating chip 222; the model of the charging management chip 221 is ETA4054, and the model of the voltage regulation chip 222 is SGM 6605.

The external power supply inputs electric energy to a VCC pin of the charging management chip ETA4054 through the charging interface 24, the chip ETA4054 carries out charging protection such as overload and short circuit on the input electric energy, outputs 3.6V-4.2V electric energy to a BAT1+ end through the BAT pin, the BAT1+ end is connected with the loudspeaker box battery 23, and the BAT1+ end is connected with the VCC pin and the SW pin of the voltage regulation chip SGM 6605. The voltage regulating chip SGM6605 boosts the voltage of 3.6V-4.2V input from the BAT1+ end to 5V and outputs the voltage to the OUT + output end from the VOUT pin through the diode D4, the OUT + output end is connected with the power supply positive electrode transmission terminal of the second transmission connecting piece 27, and the capacitors C10 and C22 play a role in filtering. The VCC pin of the voltage regulating chip SGM6605 is also connected in parallel with a mode control key S5 at the position of the terminal connected to BAT1+, S5 is connected with a resistor R26 and a diode D5 in series and then is directly connected to the OUT + output terminal, therefore, when the mode control key S5 is pressed to be conducted, the 3.6V-4.2V electric energy of the sound box battery 23 directly passes through BAT1+, S5, R26, D5 and OUT + is output to the second transmission connecting piece 27 without being subjected to the boosting treatment of the voltage regulating chip SGM 6605. At this time, if the first transmission connector 15 is connected to the second transmission connector 27, the input voltage detected by the switching MCU121 at the first transmission connector 15 is 3.6V to 4.2V, and the switching MCU121 transmits the audio of the bluetooth chip 11 to the speaker body 2 for playing.

When the mode control key S5 is raised, that is, when S5 is not turned on, the electric energy of 3.6V to 4.2V of the speaker battery 23 passes through BAT1+, enters the VCC pin of the voltage regulation chip SGM6605S5, and is boosted to 5V by the voltage regulation chip SGM6605S5, and then passes through D4, OUT + is output to the second transmission connector 27, at this time, if the first transmission connector 15 is connected to the second transmission connector 27, the input voltage detected by the MCU121 at the first transmission connector 15 is switched to 5V, and the audio of the bluetooth chip 11 is not output by the switching MCU121, so as to directly charge the earphone battery 13.

Preferably, the accommodating cavity 21 of the sound box body 2 of the embodiment of the present invention has two accommodating cavities for accommodating two earphone bodies 1, and a second transmission connecting part 27 is disposed at the bottom of each accommodating cavity 21 and can be connected to the first transmission connecting part 15 at the bottom of one earphone body 1. Thus, the earphone body 1 of the embodiment can be set as a TWS earphone, and the sound quality played by the earphone body 1 is further improved.

The earphone body 1 of the embodiment of the invention is also provided with an LED lamp 16 and a function key 17 which are electrically connected with the Bluetooth chip 11. The LED lamp 16 sends a prompt signal, and the function keys 17 are used to control the earphone body 1, such as the on/off of the earphone body, volume adjustment, and the like.

The apparatus 100 of the present invention is divided into three modes:

1. earphone mode:

at this moment, the earphone body is taken out of the sound box body, the first transmission connecting piece is disconnected with the second transmission connecting piece, the input voltage acquired by the first transmission connecting piece from the second transmission connecting piece is zero, namely, the voltage output from the charging voltage regulation management unit to the first transmission connecting piece is zero, the earphone mode is adopted, and audio is transmitted to the earphone loudspeaker to be played.

The earphone mode is the same as the function of a common Bluetooth earphone, and normal operations such as listening to songs and making calls can be carried out.

2. Speaker mode:

the earphone body is put into the audio amplifier body internally, and first transmission connecting piece switches on with second transmission connecting piece, presses the mode control button on the audio amplifier body, and second transmission connecting piece exports to the output of first transmission connecting piece and is 3.6 ~ 4.2V, then is the audio amplifier mode this moment, and audio transmission plays to audio amplifier loudspeaker. Under this mode, the battery in the audio amplifier body is called to the bluetooth chip, guarantees that the power is sufficient, calls high-quality audio amplifier loudspeaker in the audio amplifier body, has guaranteed the tone quality effect when the audio amplifier body broadcast.

3. And (3) charging mode:

the earphone body is placed into the audio amplifier body internally, and first transmission connecting piece switches on with second transmission connecting piece, lifts up the mode control button on the audio amplifier body, and second transmission connecting piece output is 5V to the output of first transmission connecting piece, then is the mode of charging this moment, and the bluetooth chip does not output the audio frequency. Under this mode, the earphone battery of earphone body gets into the mode of charging for the audio amplifier battery of audio amplifier body charges for the earphone battery of earphone body, increases the duration of a journey ability of earphone battery.

The device 100 of the invention combines the Bluetooth earphone and the Bluetooth sound box, so that the device 100 has the functions of the Bluetooth earphone and the Bluetooth sound box at the same time, and the portability and the privacy of the Bluetooth earphone are realized; but also has the playability, the sharing performance and the high tone quality of the Bluetooth sound box.

According to the device 100 combining the sound box and the bluetooth headset, provided by the embodiment of the invention, by arranging the headset body 1 and the sound box body 2 accommodating the headset body 1, the headset body 1 is provided with the bluetooth chip 11, the switching unit 12, the first playing unit 14 and the first transmission connecting piece 15, the sound box body 2 is provided with the charging voltage regulation management unit 22, the mode control key 25, the second playing unit 26 and the second transmission connecting piece 27, and the first transmission connecting piece 15 and the second transmission connecting piece 27 are detachably connected for charging or audio data transmission between the headset body 1 and the sound box body 2; the mode control key 25 adjusts the output voltage of the charging voltage regulation management unit 22, and the switching unit 12 selects to transmit the audio data received by the bluetooth chip 11 to the first playing unit 14 or the second playing unit 26 or not to output the audio data according to the magnitude of the output voltage and only charges the audio data, so that the device 100 of the invention provides the audio data for the earphone body 1 or the sound box body 2 through the same bluetooth chip 11, and selects to play the audio by the earphone body 1 or play the sound box by the sound box body 2 or charge the earphone body only through the switching unit 12, so that the device 100 has the functions of the bluetooth earphone and the bluetooth sound box at the same time, and has the advantages of simple structure and high cost performance.

The above description is only for clearly illustrating the invention and is not therefore to be considered as limiting the scope of the invention, and all embodiments are not intended to be exhaustive, and all equivalent structural changes made by using the technical solutions of the present invention or other related technical fields directly/indirectly applied under the concept of the present invention are included in the scope of the present invention.