CN210298030U

CN210298030U - Multifunctional charging bin set of TWS (two way communication) Bluetooth headset

Info

Publication number: CN210298030U
Application number: CN201921617157.3U
Authority: CN
Inventors: 汤毅生; 何芊; 何辉; 赖少兵; 王勇; 包磊; 陈嘉宝
Original assignee: Guangzhou U&i Technology Co ltd
Current assignee: Guangzhou U&i Technology Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-04-10
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a TWS bluetooth earphone multifunctional charging bin set, which comprises a multifunctional charging bin, a main ear and a sub ear, wherein the main ear and the sub ear are respectively provided with an earphone main control module, a first communication module, an earphone battery and a loudspeaker, the multifunctional charging bin is provided with a charging bin battery and a charging bin main control module, the charging bin main control module is integrated with a decoding module, the charging bin main control module is electrically connected with a key module, an FM radio module, an external audio signal input module, a second communication module and a display module, the key module is used, the second communication module is in communication connection with the first communication module, so that the charging bin is paired with the TWS bluetooth earphone, the charging bin main control module acquires audio signals through the FM radio module and the external audio signal input module, the audio signals are converted into SBC format through the decoding module, after the conversion format is completed, the audio signals are finally sent through the second communication module, even if the mobile phone is powered off, the TWS Bluetooth headset and the multifunctional charging bin can be used in a matched mode to normally play audio.

Description

Multifunctional charging bin set of TWS (two way communication) Bluetooth headset

Technical Field

The utility model relates to a storehouse, especially a TWS bluetooth headset multifunctional charging storehouse suit charge.

Background

In order to be convenient to carry as much as possible, the volume of the TWS Bluetooth headset is generally small, so that the built-in space of the TWS Bluetooth headset is very limited, the function is simple, the TWS Bluetooth headset can only be used in cooperation with equipment such as a mobile phone, a computer and a tablet personal computer generally, and simple song listening and conversation functions are realized.

Disclosure of Invention

In order to overcome the not enough of prior art, the utility model provides a convenient multi-functional storehouse suit that charges of TWS bluetooth headset.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a multi-functional storehouse suit that charges of TWS bluetooth headset, includes TWS bluetooth headset and multi-functional storehouse of charging, TWS bluetooth headset includes main ear and auxiliary ear, main ear and auxiliary ear all are provided with earphone host system, first communication module, earphone battery and speaker all with the earphone host system electricity is connected, multi-functional storehouse of charging is provided with the storehouse battery and charges the storehouse host system, it is integrated with decoding module to charge the storehouse host system, it is connected with button module, FM radio module and outside audio signal input module to charge storehouse host system's input electricity, it is connected with second communication module and display module to charge storehouse host system's output electricity, second communication module with first communication module communication connection.

The first communication module and the second communication module are both Bluetooth modules.

The charging bin main control module comprises a microprocessor U and a peripheral circuit, the peripheral circuit comprises a capacitor C, an inductor L, a crystal oscillator Y and a crystal oscillator Y, one end of the capacitor C and a pin 45 of the microprocessor U are simultaneously grounded, the other end of the capacitor C is connected with a pin 44 of the microprocessor U, the other end of the capacitor C is connected with a pin 43 of the microprocessor U, one end of the capacitor C and one end of the capacitor C are simultaneously grounded, the other end of the capacitor C is connected with a pin 8 of the microprocessor U, the other end of the capacitor C is connected with a pin 10 of the microprocessor U, the other end of the capacitor C is connected with a pin 11 of the microprocessor U, a pin 2 of the crystal oscillator Y1, a pin 3 of the crystal oscillator Y1, one end of a capacitor C13 and one end of a capacitor C14 are grounded simultaneously, a pin 26 of the microprocessor U2 is divided into two paths, one path is connected with a pin 1 of the crystal oscillator Y1, the other path is connected with the other end of the capacitor C13, a pin 25 of the microprocessor U2 is divided into two paths, one path is connected with a pin 4 of the crystal oscillator Y1, the other path is connected with the other end of the capacitor C14, a pin 13 of the microprocessor U2 is divided into two paths, one path is connected with one end of the capacitor C9, the other path is grounded, a pin 14 of the microprocessor U2 is connected with the other end of the capacitor C9, a pin 19 of the microprocessor U2 is divided into two paths, one path is connected with one end of the capacitor C24, the other path is connected with one end of the crystal oscillator Y2, a pin 20 of the microprocessor U2 is divided into two paths, one path is connected with one end of the capacitor C25, the other path is connected with the other end of the, the pin 21 and the pin 23 of the microprocessor U2 and one end of a capacitor C23 are grounded simultaneously, the pin 24 of the microprocessor U2 is divided into two paths, one path is connected with the pin 12 of the microprocessor U2 through an inductor L2, the other path is connected with the other end of the capacitor C23, the pin 22 of the microprocessor U2 is connected with one end of the inductor L6 through an inductor L4, one end of the inductor L5 is connected with a node between the inductor L4 and the pin 22 of the microprocessor U2, and the other end of the inductor L5 and the other end of the inductor L6 are grounded simultaneously.

The key module comprises a key SW1, one end of the key SW1 is grounded, and the other end is connected with a 4 pin of the microprocessor U2.

The input end of the charging bin main control module is also electrically connected with a power management module, the power management module comprises a charging interface USB1, a power management chip U1, an anti-static diode D1, a capacitor C1, a capacitor C2, a light emitting diode D2, a resistor R1, a capacitor C4, a capacitor C5, an inductor L1, a resistor R12, a resistor R14, a resistor R15, a resistor R3, a resistor R4, a resistor R7, a resistor R9, a resistor R10 and a resistor R11, the 7 pin and the 9 pin of the charging interface USB1 are grounded simultaneously, the 6 pin and the 8 pin of the charging interface USB1 are grounded simultaneously, the 4 pin and the 5 pin of the charging interface USB1 are grounded simultaneously, the 1 pin of the charging interface USB1 is connected with the 1 pin of the power management chip U1, the positive electrode of the light emitting diode D2 is connected with the 2 pin of the power management chip U1, one end of the resistor R12 is grounded through one path R15, the other branch is connected with a 15 pin of the microprocessor U2 through the resistor R14, the other end of the resistor R12 is divided into two branches, one branch is connected with a 3 pin of the power management chip U1, the other branch is connected with one end of the resistor R1, the other end of the resistor R1 is connected with a 4 pin of the power management chip U1, one end of the anti-static diode D1, one end of the capacitor C1 and one end of the capacitor C2 are connected with a node between a 1 pin of the charging interface USB1 and a 1 pin of the power management chip U1, the other end of the anti-static diode D1 is grounded, the other end of the capacitor C1 is divided into two branches, one branch is grounded, the other branch is connected with the other end of the capacitor C2 through the resistor R2, one end of the inductor L1 is connected with a 7 pin of the power management chip U1, the other end of the inductor L1 is connected with a node between the other end of the resistor R12 and a 3, the 8 pins of the power management chip U1 are grounded through the capacitor C4, one end of the capacitor C3 is divided into two paths, one path is connected with the 7 pins of the power management chip U1, the other path is connected with a node between the other end of the inductor L1 and the other end of the resistor R12, the other end of the capacitor C3 is divided into three paths, the first path is grounded, the second path is connected with one end of the resistor R3, the third path is connected with one end of the resistor R9, the other end of the resistor R3 is divided into two paths, one path is grounded through the resistor R7, the other path is connected with the 28 pin of the microprocessor U2 through the resistor R4, one path is grounded through the resistor R11, and the other path is connected with the 27 pin of the microprocessor U2 through the resistor R10.

The FM radio module comprises an inductor L3, a capacitor C18, a capacitor C16, a capacitor C20, a radio chip U3, a capacitor C21, a capacitor C22 and a resistor R22, wherein one end of the capacitor C22 is connected with a node between the inductor L22 and one end of the inductor L22, the other end of the capacitor C22 is connected with a pin 2 of the radio chip U22, one end of the inductor L22 and one end of the capacitor C22 are connected with a node between one end of the capacitor C22 and the inductor L22, the other end of the inductor L22 and the other end of the capacitor C22 are grounded, a pin 1 of the radio chip U22, a pin 3 of the radio chip U22 and a pin 8 of the radio chip U22 are grounded, a pin 4 of the radio chip U22 is connected with a pin 2 of the microprocessor U22, a pin 5 of the radio chip U22 is connected with a pin 3 of the microprocessor U22, and the pin 3 of the radio chip U22 is connected with the capacitor C3610 of the microprocessor U22, the 9 pins of the radio chip U3 are connected with the 48 pins of the microprocessor U2 through the capacitor C17, the 7 pins of the radio chip U3 are connected with +3.3V direct current through the resistor R13, the 6 pins of the radio chip U3 are connected with the 16 pins of the microprocessor U2 through the capacitor C20, one end of the capacitor C21 and one end of the capacitor C22 are connected with a node between the 7 pins of the radio chip U3 and the resistor R13, and the other end of the capacitor C21 and the other end of the capacitor C22 are grounded.

The external audio signal input module comprises an audio input interface module and a memory card reading module, wherein the audio input interface module comprises an audio interface J1, a resistor R5, a resistor R6, a capacitor C7 and a capacitor C8, 3 pins of the audio interface J1 are connected with 33 pins of the microprocessor U2, 1 pin of the audio interface J1 is connected with one end of the capacitor C7 through the resistor R5, the other end of the capacitor C7 is connected with 39 pins of the microprocessor U2, 2 pins of the audio interface J1 are connected with one end of the capacitor C8 through the resistor R6, the other end of the capacitor C8 is connected with 38 pins of the microprocessor U2, 4 pins of the audio interface J1 are grounded, the memory card reading module comprises a reading interface TF1, a resistor R8 and a capacitor C10, 3 pins of the reading interface TF1 are connected with 31 pins of the microprocessor U2, and 4 pins of the reading interface TF1 are divided into two paths, one path is connected with one end of the resistor R8, the other path is grounded through the capacitor C10, the other end of the resistor R8 is connected with +3.3V direct current, a pin 5 of the reading interface TF1 is connected with a pin 30 of the microprocessor U2, pins 6 and 10 of the reading interface TF1 are grounded simultaneously, a pin 7 of the reading interface TF1 is connected with a pin 29 of the microprocessor U2, and a pin 9 of the reading interface TF1 is connected with a pin 32 of the microprocessor U2.

The output electricity of storehouse master control module that charges is connected with display module, display module includes display screen LCD1, display screen LCD 1's 1 pin connects +3.3V direct current, display screen LCD 1's 2 pins connect microprocessor U2's 36 pins, display screen LCD 1's 3 pins connect microprocessor U2's 35 pins, display screen LCD 1's 4 pins connect microprocessor U2's 34 pins, display screen LCD 1's 5 pins ground connection.

The utility model has the advantages that: the utility model discloses use the button module earlier, second communication module and first communication module communication connection to the storehouse of charging pairs with TWS bluetooth headset, the storehouse host system that charges acquires audio signal through FM radio module and outside audio signal input module, rethread decoding module converts this audio signal into SBC format, the back is accomplished to the conversion format, send through second communication module at last, even if the cell-phone cuts off the power supply, TWS bluetooth headset and multi-functional storehouse cooperation of charging use also can normally play the audio frequency.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a block diagram of the system of the present invention;

FIG. 2 is a schematic circuit diagram of a charging bin;

fig. 3 is a circuit schematic of the primary or secondary ear.

Detailed Description

Referring to fig. 1 to 3, a TWS bluetooth headset multifunctional charging bin set comprises a TWS bluetooth headset and a multifunctional charging bin, wherein the TWS bluetooth headset comprises a main ear and an auxiliary ear, the main ear and the auxiliary ear are respectively provided with a headset main control module, a first communication module, a headset battery and a loudspeaker, the first communication module, the headset battery and the loudspeaker are respectively and electrically connected with the headset main control module, the multifunctional charging bin is provided with a charging bin battery and a charging bin main control module, the charging bin main control module is integrated with a decoding module, the input end of the charging bin main control module is electrically connected with a key module, a power management module, an FM radio module and an external audio signal input module, the output end of the charging bin main control module is electrically connected with a second communication module and a display module, the second communication module is in communication connection with the first communication module, the button module is used firstly, the second communication module is in communication connection with the first communication module, so that the charging bin is matched with the TWS Bluetooth headset, the main control module of the charging bin acquires audio signals through the FM radio module and the external audio signal input module, the audio signals are converted into the SBC format through the decoding module, after the conversion format is completed, the audio signals are sent through the second communication module, and even if the mobile phone is powered off, the TWS Bluetooth headset and the multifunctional charging bin can normally play audio in a matched mode.

The first communication module and the second communication module are both Bluetooth modules, so that the cost is low, the pairing speed is high, and the communication is stable.

The input end of the charging bin main control module is also electrically connected with a power management module, the power management module comprises a charging interface USB1, a power management chip U1, an anti-static diode D1, a capacitor C1, a capacitor C2, a light emitting diode D2, a resistor R1, a capacitor C4, a capacitor C5, an inductor L1, a resistor R12, a resistor R14, a resistor R15, a resistor R3, a resistor R4, a resistor R7, a resistor R9, a resistor R10 and a resistor R11, the 7 pin and the 9 pin of the charging interface USB1 are grounded simultaneously, the 6 pin and the 8 pin of the charging interface USB1 are grounded simultaneously, the 4 pin and the 5 pin of the charging interface USB1 are grounded simultaneously, the 1 pin of the charging interface USB1 is connected with the 1 pin of the power management chip U1, the positive electrode of the light emitting diode D2 is connected with the 2 pin of the power management chip U1, one end of the resistor R12 is grounded through one path R15, the other branch is connected with a 15 pin of the microprocessor U2 through the resistor R14, the other end of the resistor R12 is divided into two branches, one branch is connected with a 3 pin of the power management chip U1, the other branch is connected with one end of the resistor R1, the other end of the resistor R1 is connected with a 4 pin of the power management chip U1, one end of the anti-static diode D1, one end of the capacitor C1 and one end of the capacitor C2 are connected with a node between a 1 pin of the charging interface USB1 and a 1 pin of the power management chip U1, the other end of the anti-static diode D1 is grounded, the other end of the capacitor C1 is divided into two branches, one branch is grounded, the other branch is connected with the other end of the capacitor C2 through the resistor R2, one end of the inductor L1 is connected with a 7 pin of the power management chip U1, the other end of the inductor L1 is connected with a node between the other end of the resistor R12 and a 3, the 8 pins of the power management chip U1 are grounded through the capacitor C4, one end of the capacitor C3 is divided into two paths, one path is connected with the 7 pins of the power management chip U1, the other path is connected with the node between the other end of the inductor L1 and the other end of the resistor R12, the other end of the capacitor C3 is divided into three paths, the first path is grounded, the second path is connected with one end of the resistor R3, the third path is connected with one end of the resistor R9, the other end of the resistor R3 is divided into two paths, one path is grounded through the resistor R7, the other path is connected with the 28 pins of the microprocessor U2 through the resistor R4, one end of the resistor R9 is divided, one path is grounded through the resistor R11, the other path is connected with the 27 pins of the microprocessor U2 through the resistor R10, the power management chip U1 is DC003 0035E, the output voltage of the charging bin battery is 3.3V-4.2V DC current, and the output voltage of the charging bin battery is boosted by the power management chip 1U 1, and the power management chip U1 detects the remaining capacity of the earphone battery and the remaining capacity of the charging chamber battery, and displays them through the display screen LCD1 mentioned below, and the power management chip U1 can also control the charging interface USB 1.

The FM radio module comprises an inductor L3, a capacitor C18, a capacitor C16, a capacitor C20, a radio chip U3, a capacitor C21, a capacitor C22 and a resistor R22, wherein one end of the capacitor C22 is connected with a node between the inductor L22 and one end of the inductor L22, the other end of the capacitor C22 is connected with a pin 2 of the radio chip U22, one end of the inductor L22 and one end of the capacitor C22 are connected with a node between one end of the capacitor C22 and the inductor L22, the other end of the inductor L22 and the other end of the capacitor C22 are grounded, a pin 1 of the radio chip U22, a pin 3 of the radio chip U22 and a pin 8 of the radio chip U22 are grounded, a pin 4 of the radio chip U22 is connected with a pin 2 of the microprocessor U22, a pin 5 of the radio chip U22 is connected with a pin 3 of the microprocessor U22, and the pin 3 of the radio chip U22 is connected with the capacitor C3610 of the microprocessor U22, the pin 9 of the radio chip U3 is connected with the pin 48 of the microprocessor U2 through the capacitor C17, the pin 7 of the radio chip U3 is connected with +3.3V direct current through the resistor R13, the pin 6 of the radio chip U3 is connected with the pin 16 of the microprocessor U2 through the capacitor C20, one end of the capacitor C21 and one end of the capacitor C22 are connected with a node between the pin 7 of the radio chip U3 and the resistor R13, the other end of the capacitor C21 and the other end of the capacitor C22 are grounded, and the radio chip U3 is RDA 5807M.

The earphone main control module comprises a main control unit U1S, a capacitor C7S, a capacitor C8S, a capacitor C4S, a capacitor C3S, a capacitor C15S, a capacitor C16S, an inductor L1S, a capacitor C10S, a capacitor C12S, a capacitor C13S, an inductor L5S, an inductor L6S, a crystal oscillator Y1S, a light emitting diode LED1, a light emitting diode LED2, a key SW1S, a capacitor C14S, a capacitor C14S, a capacitor C6S, a resistor R4S, a battery protection chip U2S, a capacitor C14S, a resistor R3S, a capacitor C11S and a microphone I, wherein the main control unit U1S is AC6S 936S, the battery protection chip U2S is XB 313672, a main control unit U1S is connected with one end of a MIC pin of the capacitor C3, the other end of the main control unit U1S is connected with the anode of the capacitor C3 and the LED 72, and the other end of the capacitor C3 is connected with the LED 72, and the anode of the LED S, and the LED 3 of the main control unit U72 is connected with the anode of the LED 3 and the LED S, and the anode, a pin 6 of the main control unit U1S is connected to an anode of the LED2, a cathode of the LED2 is grounded, a pin 0 of the main control unit U1S is grounded, a pin 8 of the main control unit U1S is connected to one end of the capacitor C7S through the inductor L1S, one end of the capacitor C8S is connected to a node between the inductor L1S and one end of the capacitor C7S, the other end of the capacitor C7S and the other end of the capacitor C8S are grounded simultaneously, one end of the capacitor C10S is connected to a pin 9 of the main control unit U1S, one end of the capacitor C12C 42 is connected to a pin 10 of the main control unit U1S, one end of the capacitor C13 is connected to a pin 11 of the main control unit U1S, the other end of the capacitor C10S, the other end of the capacitor C12S and the other end of the capacitor C13S are grounded simultaneously, a pin 16 of the main control unit U1S is connected to a pin 368746 of the inductor L S, and the other end 368746 of the capacitor C S, one end of the inductor L5S is connected to a node between the 16 pin of the main control unit U1S and the capacitor C16S, the other end of the inductor L5S is grounded, the 2 pin of the battery protection chip U2S is divided into two paths, one path is connected to a node between one end of the capacitor C10S and the 9 pin of the main control unit U1S through the resistor R4S, the other path is connected to one end of the capacitor C6S, the 3 pin of the battery protection chip U2S is connected to the other end of the capacitor C6S, the 1 pin of the battery protection chip U2S is grounded, one end of the resistor R3S is connected to the 26 pin of the main control unit U1S, the other end of the resistor R3S is divided into three paths, the first path is connected to one end of the capacitor C14S, the second path is connected to one end of the microphone mic, the third path is connected to the pin of the main control unit U1S through the capacitor C11S, the other end of the capacitor C14 and the mic pin 461 pin of the microphone S, the 3 pins and the 4 pins of the crystal oscillator Y1S are grounded simultaneously, the 2 pins of the crystal oscillator Y1S are connected with the 19 pins of the main control unit U1S, the 23 pins of the main control unit U1S are grounded through the capacitor C4S, the main control unit U1S is integrated with a digital-to-analog converter, the main control unit U1S receives digital signals through the first communication module, the digital-to-analog converter converts the digital signals into analog audio signals, and the analog audio signals drive a loudspeaker, so that the TWS Bluetooth headset completes audio playing.

The first communication module of the main ear is in communication connection with the first communication module of the auxiliary ear, the first communication module of the main ear is also in communication connection with the second communication module, once the first communication module of the main ear receives a signal, the signal is sent to the auxiliary ear on one hand, a right channel signal is separated after decoding on the other hand, the auxiliary ear receives the signal from the main ear and separates a left channel signal after analysis, the digital-to-analog converter of the main ear converts the right channel signal into an analog audio signal, the digital-to-analog converter of the auxiliary ear converts the left channel signal into the analog audio signal, and the analog audio signal drives a loudspeaker, so that the TWS Bluetooth headset finishes playing audio.

The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.

Claims

1. The utility model provides a multi-functional storehouse suit that charges of TWS bluetooth headset, includes TWS bluetooth headset and multi-functional storehouse of charging, TWS bluetooth headset includes main ear and auxiliary ear, main ear and auxiliary ear all are provided with earphone host system, first communication module, earphone battery and speaker all with the earphone host system electricity is connected, multi-functional storehouse of charging is provided with the storehouse battery of charging and the storehouse host system that charges, its characterized in that it is integrated with decoding module to charge storehouse host system, it is connected with button module, FM radio module and outside audio signal input module to charge storehouse host system's input electricity, it is connected with second communication module to charge storehouse host system's output electricity, second communication module with first communication module communication connection.

2. The TWS Bluetooth headset multifunctional charging bin set of claim 1, wherein the first communication module and the second communication module are both Bluetooth modules.

3. The TWS Bluetooth headset multifunctional charging bin set according to claim 2, wherein the charging bin main control module comprises a microprocessor U2 and a peripheral circuit, the peripheral circuit comprises a capacitor C5, a capacitor C6, a capacitor C9, an inductor L9, a crystal Y9, one end of the capacitor C9 and a pin 45 of the microprocessor U9 are grounded simultaneously, the other end of the capacitor C9 is connected with a pin 44 of the microprocessor U9, the other end of the capacitor C9 is connected with a pin 43 of the microprocessor U9, one end of the capacitor C9 and one end of the capacitor C9 are grounded simultaneously, the other end of the capacitor C9 is connected with a pin 9, the other end of the capacitor C9 is connected with a pin 10 of the microprocessor U9, the other end of the capacitor C9 is, the other end of the capacitor C12 is connected with the 11 pin of the microprocessor U2, the 2 pin of the crystal oscillator Y1, the 3 pin of the crystal oscillator Y1, one end of the capacitor C13 and one end of the capacitor C14 are grounded simultaneously, the 26 pin of the microprocessor U2 is divided into two paths, one path is connected with the 1 pin of the crystal oscillator Y1, the other path is connected with the other end of the capacitor C13, the 25 pin of the microprocessor U2 is divided into two paths, one path is connected with the 4 pin of the crystal oscillator Y1, the other path is connected with the other end of the capacitor C14, the 13 pin of the microprocessor U2 is divided into two paths, one path is connected with one end of the capacitor C9 and the other path is grounded, the 14 pin of the microprocessor U2 is connected with the other end of the capacitor C9, the 19 pin of the microprocessor U2 is divided into two paths, one path is connected with one end of the capacitor C24 and the other path is connected with one end of the crystal oscillator Y2, the 20 pin of the microprocessor, the other path is connected with the other end of the crystal oscillator Y2, the other end of the capacitor C24 and the other end of the capacitor C25 are both grounded, the pin 21 and the pin 23 of the microprocessor U2 and one end of the capacitor C23 are simultaneously grounded, the pin 24 of the microprocessor U2 is divided into two paths, one path is connected with the pin 12 of the microprocessor U2 through the inductor L2, the other path is connected with the other end of the capacitor C23, the pin 22 of the microprocessor U2 is connected with one end of the inductor L6 through the inductor L4, one end of the inductor L5 is connected with a node between the inductor L4 and the pin 22 of the microprocessor U2, and the other end of the inductor L5 and the other end of the inductor L6 are simultaneously grounded.

4. The TWS Bluetooth headset multifunctional charging bin set of claim 3, wherein the key module comprises a key SW1, one end of the key SW1 is grounded, and the other end is connected to 4 pins of the microprocessor U2.

5. The TWS Bluetooth headset multifunctional charging bin set according to claim 4, wherein the input end of the charging bin main control module is further electrically connected with a power management module, the power management module comprises a charging interface USB1, a power management chip U1, an anti-static diode D1, a capacitor C1, a capacitor C2, a light emitting diode D2, a resistor R1, a capacitor C4, a capacitor C5, an inductor L1, a resistor R12, a resistor R14, a resistor R15, a resistor R3, a resistor R4, a resistor R7, a resistor R9, a resistor R10 and a resistor R11, the pins 7 and 9 of the charging interface USB1 are grounded simultaneously, the pins 6 and 8 of the charging interface USB1 are grounded simultaneously, the pins 4 and 5 of the charging interface USB1 are grounded simultaneously, the pin 1 of the charging interface USB1 is connected with the pin 1 of the power management chip U1, the positive electrode of the light emitting diode D1 is connected with the pin 362 of the power management chip U1, one end of the resistor R12 is divided into two paths, one path is grounded through the resistor R15, the other path is connected with a pin 15 of the microprocessor U2 through the resistor R14, the other end of the resistor R12 is divided into two paths, one path is connected with a pin 3 of the power management chip U1, the other path is connected with one end of the resistor R1, the other end of the resistor R1 is connected with a pin 4 of the power management chip U1, one end of the anti-static diode D1, one end of the capacitor C1 and one end of the capacitor C2 are connected with a node between a pin 1 of the charging interface USB1 and a pin 1 of the power management chip U1, the other end of the anti-static diode D1 is grounded, the other end of the capacitor C1 is divided into two paths, one path is grounded, the other path is connected with the other end of the capacitor C2 through the resistor R2, one end of the inductor L1 is connected with a pin 7 of the power management chip U1, the other end of the inductor L1 is connected with a node between the other end of the resistor R, the 8 pins of the power management chip U1 are grounded through the capacitor C4, one end of the capacitor C3 is divided into two paths, one path is connected with the 7 pins of the power management chip U1, the other path is connected with a node between the other end of the inductor L1 and the other end of the resistor R12, the other end of the capacitor C3 is divided into three paths, the first path is grounded, the second path is connected with one end of the resistor R3, the third path is connected with one end of the resistor R9, the other end of the resistor R3 is divided into two paths, one path is grounded through the resistor R7, the other path is connected with the 28 pin of the microprocessor U2 through the resistor R4, one path is grounded through the resistor R11, and the other path is connected with the 27 pin of the microprocessor U2 through the resistor R10.

6. The TWS Bluetooth headset multifunctional charging bin set according to claim 5, wherein the FM radio module comprises an inductor L3, a capacitor C18, a capacitor C16, a capacitor C20, a radio chip U3, a capacitor C21, a capacitor C22, a capacitor C15, a capacitor C17 and a resistor R13, one end of the capacitor C16 is connected with a node between the inductor L4 and one end of the inductor L6, the other end of the capacitor C16 is connected with a 2 pin of the radio chip U3, one end of the inductor L3 and one end of the capacitor C18 are connected with a node between one end of the capacitor C16 and an inductor L4, the other end of the inductor L3 and the other end of the capacitor C18 are grounded, a 1 pin of the radio chip U3, a 3 pin of the radio chip U3 and an 8 pin of the radio chip U3 are grounded, a 4 pin of the radio chip U3 is connected with a 2 pin of the microprocessor U2, and a 3 pin of the radio chip U3U 2 of the microprocessor U2, the 10 pins of the radio chip U3 are connected with the 1 pin of the microprocessor U2 through the capacitor C15, the 9 pins of the radio chip U3 are connected with the 48 pins of the microprocessor U2 through the capacitor C17, the 7 pins of the radio chip U3 are connected with +3.3V direct current through the resistor R13, the 6 pins of the radio chip U3 are connected with the 16 pins of the microprocessor U2 through the capacitor C20, one end of the capacitor C21 and one end of the capacitor C22 are connected with a node between the 7 pins of the radio chip U3 and the resistor R13, and the other end of the capacitor C21 and the other end of the capacitor C22 are grounded.

7. The TWS Bluetooth headset multifunctional charging bin set of claim 6, wherein the external audio signal input module comprises an audio input interface module and a memory card reading module, the audio input interface module comprises an audio interface J1, a resistor R5, a resistor R6, a capacitor C7 and a capacitor C8, 3 pins of the audio interface J1 are connected with 33 pins of the microprocessor U2, 1 pin of the audio interface J1 is connected with one end of the capacitor C7 through the resistor R5, the other pin of the capacitor C7 is connected with 39 pins of the microprocessor U2, 2 pins of the audio interface J1 are connected with one end of the capacitor C8 through the resistor R6, the other pin of the capacitor C8 is connected with 38 pins of the microprocessor U2, 4 pins of the audio interface J1 are grounded, the memory card reading module comprises a reading interface TF1, a resistor R8 and a capacitor C10, the 3 pins of the reading interface TF1 are connected with the 31 pin of the microprocessor U2, the 4 pins of the reading interface TF1 are divided into two paths, one path is connected with one end of the resistor R8, the other path is grounded through the capacitor C10, the other end of the resistor R8 is connected with +3.3V direct current, the 5 pin of the reading interface TF1 is connected with the 30 pin of the microprocessor U2, the 6 pin and the 10 pin of the reading interface TF1 are grounded simultaneously, the 7 pin of the reading interface TF1 is connected with the 29 pin of the microprocessor U2, and the 9 pin of the reading interface TF1 is connected with the 32 pin of the microprocessor U2.

8. The TWS Bluetooth headset multifunctional charging bin set according to claim 7, wherein the output terminal of the charging bin main control module is electrically connected with a display module, the display module comprises a display screen LCD1, the 1 pin of the display screen LCD1 is connected with +3.3V direct current, the 2 pin of the display screen LCD1 is connected with the 36 pin of the microprocessor U2, the 3 pin of the display screen LCD1 is connected with the 35 pin of the microprocessor U2, the 4 pin of the display screen LCD1 is connected with the 34 pin of the microprocessor U2, and the 5 pin of the display screen LCD1 is grounded.