Earphone charging bin with radio function and Bluetooth earphone

Abstract

The utility model discloses an earphone charging cabin with a radio function and a Bluetooth earphone. The charging cabin comprises a charging module, a boost module, a master control module, a Bluetooth module and a radio module. The input end of the charging module is connected with an external power supply, and the output end is connected with the master control module, the boost module and the battery. The output end of the boosting module is connected with the earphone charging pile; the Bluetooth module is connected with the main control module and is used for being in paired connection with an earphone; the radio module is connected with the main control module and is used for collecting environment audio signals; the main control module can send an environment audio signal acquired by the radio module to the earphone through the Bluetooth module; through the circuit, the charging bin can be used as a wireless reception microphone, after the charging bin is clamped in front of the chest to receive sound, the sound is transmitted to a terminal through the Bluetooth module, so that a video person can receive clear sound far away from the terminal, and the wireless reception microphone has very good practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to audio equipment field, especially earphone charging bin with radio function and bluetooth earphone. BACKGROUND

[0002] The earphone commonly used in market now is divided into wired earphone and wireless earphone, and the audio signal transmission of wired earphone is stable, and it is superior to wireless earphone in the aspect of pursuing high sound quality, but wired earphone needs to be connected with playing equipment through wire, and the wire is easy to be wound and knotted, which influences wearing and use, and also limits user posture, and true wireless stereo earphone is composed of charging bin and left and right bluetooth earphones, the charging bin can accommodate left and right bluetooth earphones and also can charge left and right bluetooth earphones, thereby prolonging the use time of bluetooth earphone.

[0003] The charging bin of the prior art bluetooth earphone is only used for earphone storage and charging, and lacks additional practical functions, for example, people like to shoot short videos by mobile phone, and since audio collection depends on the microphone of the mobile phone, when the user is far away from the mobile phone, the audio collection is not clear, or an additional wireless receiving microphone is purchased, but there are compatibility and matching problems between the professional wireless receiving microphone and the mobile phone, not only additional equipment is increased, but also the increasing equipment brings the defects of inconvenience in use and storage, therefore, earphone charging bin with radio function and bluetooth earphone are urgently needed to solve the above problems. SUMMARY

[0004] The utility model aims at solving one of the technical problems in prior art.

[0005] The technical scheme adopted by one embodiment of the utility model to solve the technical problem is as follows: an earphone charging bin with radio function, comprising a charging module, a boost module, a main control module, a bluetooth module and a radio module;

[0006] The input end of the charging module is connected with an external power supply, and the output end is connected with the main control module, the boost module and a battery respectively;

[0007] The output end of the boost module is connected with an earphone charging pile;

[0008] The bluetooth module is connected with the main control module and is used for pairing connection with the earphone;

[0009] The radio module is connected with the main control module and is used for collecting environmental audio signals;

[0010] The main control module can send the environmental audio signals collected by the radio module to the earphone through the bluetooth module.

[0011] As one of the preferred embodiments of the utility model, the charging module includes charging chip U1, inductance L4, resistance R23, resistance R29-R30, resistance R34-R36, resistance R40-R41, resistance R43, capacitor C22-24 and inductance L4, one end of inductance L4 is connected with one end of resistance R34 and external power supply respectively, the other end of inductance L4 is connected with one end of capacitor C22, one end of capacitor C23, one end of resistance R23, IN pin of charging chip U1 and one end of resistance R36 respectively, the other end of resistance R34 is connected with DC_DET end and is connected with GND end through resistance R40, the other end of resistance R36 is connected with EN pin of charging chip U1, one end of resistance R41 and main control module, BAT pin of charging chip U1 is connected with one end of capacitor C24 and the third pin of battery respectively, TS pin of charging chip U1 is connected with the other end of resistance R23, one end of resistance R29 and one end of resistance R30 respectively, ISET pin of charging chip U1 is connected with one end of resistance R29, one end of resistance R30 and GND end through resistance R35 respectively, the second pin of battery is connected with main control module through resistance R43, the other end of capacitor C22, the other end of capacitor C23, the other end of resistance R41, the other end of capacitor C24 and the first pin of battery are connected with GND end.

[0012] As one of the preferred embodiments of the utility model, the earphone charging bin with the radio function further includes indicating lamp LED_G and resistance R28, one end of indicating lamp LED_G is connected with the other end of inductance L4, the other end of indicating lamp LED_G is connected with FULL pin of charging chip U1 through resistance R28.

[0013] As one of the preferred embodiments of the utility model, the boost module includes boost chip U2, capacitor C8-C9, capacitor C16, capacitor C20, capacitor C25, inductance L2-L3, resistance R16, resistance R20 and resistance R24, one end of capacitor C16 is connected with the third pin of battery, one end of capacitor C20 and one end of inductance L3 respectively, the other end of inductance L3 is connected with one end of capacitor C8, one end of capacitor C9, one end of inductance L2 and IN pin of boost chip U2 respectively, the other end of inductance L2 is connected with FULL pin of boost chip U2, EN pin of boost chip U2 is connected with BST_EN end through resistance R16 and is connected with GND end through resistance R20, OUT pin of boost chip U2 is connected with one end of capacitor C25, one end of resistance R19 and earphone charging bin respectively, FB pin of boost chip U2 is connected with the other end of capacitor C25, the other end of resistance R19 and one end of resistance R24 respectively, the other end of capacitor C8, the other end of capacitor C9, the other end of capacitor C16, the other end of capacitor C20 and the other end of resistance R24 are connected with GND end.

[0014] As one of the preferred embodiments of the utility model, the earphone charging bin with the radio function further comprises a management module connected with the main control module and the voltage boosting module respectively.

[0015] As one of the preferred embodiments of the utility model, the management module comprises MOS tube Q1, MOS tube Q3, triode Q2, resistor R6-R7, resistor R11, resistor R13, resistor R15, capacitor C2 and static diode D3-D4, the drain of MOS tube Q3 is connected with L_VDET end, one end of static diode D3 and the positive pole of charging pile TP1 respectively, the source of MOS tube Q3 is connected with the source of MOS tube Q1 and one end of resistor R6 respectively, the gate of MOS tube Q3 is connected with the gate of MOS tube Q1, the collector of triode Q2 and the other end of resistor R6 respectively, the drain of MOS tube Q3 is connected with R_VDET end, one end of static diode D4 and the positive pole of charging pile TP2 respectively, the base of triode Q2 is connected with one end of resistor R11 and one end of resistor R13 respectively, the other end of resistor R11 is connected with the main control module, the negative pole of charging pile TP1 is connected with one end of resistor R7, one end of resistor R15 and the negative pole of charging pile TP2 respectively, the other end of resistor R7 is connected with one end of capacitor C2 and GND end respectively, the other end of resistor R15 is connected with the main control module and the other end of capacitor C2 respectively, the other end of static diode D3, the other end of static diode D4, the other end of resistor R13 and the emitter of triode Q2 are connected with GND end.

[0016] As one of the preferred embodiments of the utility model, the radio module comprises microphone MIC1, resistor R8, resistor R10 and capacitor C1, one end of microphone MIC1 is connected with the main control module and one end of capacitor C1 through resistor R8 respectively, the other end of microphone MIC1 is connected with the main control module and the other end of capacitor C1 through resistor R10 respectively.

[0017] As one of the preferred embodiments of the utility model, the earphone charging bin with the radio function further comprises a Hall induction module connected with the main control module for detecting whether the earphone is located in the charging bin.

[0018] As one of the preferred embodiments of the utility model, the earphone charging bin with the radio function further comprises a display module connected with the main control module.

[0019] A Bluetooth earphone comprising the earphone charging bin.

[0020] The earphone charging bin with the radio function has the advantages that the earphone charging bin comprises a charging module, a voltage boosting module, a main control module, a Bluetooth module and a radio module; the input end of the charging module is connected with an external power supply, and the output end is connected with the main control module, the voltage boosting module and a battery respectively; the output end of the voltage boosting module is connected with an earphone charging pile; the Bluetooth module is connected with the main control module and is used for pairing connection with the earphone; the radio module is connected with the main control module and is used for collecting environmental audio signals; the main control module can send the environmental audio signals collected by the radio module to the earphone through the Bluetooth module; the earphone charging bin can be used as a wireless radio microphone through the above circuit, the earphone charging bin is clamped in front of the chest to receive the radio, and the clear sound can be received by a person far away from the terminal through the Bluetooth module, and the earphone charging bin has very good practicability. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above and / or additional aspects and advantages of the present utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0022] Figure 1 It is a kind of principle block diagram of earphone charging bin with radio function;

[0023] Figure 2 It is the circuit principle diagram of charging module;

[0024] Figure 3 It is the circuit principle diagram of voltage boosting module;

[0025] Figure 4 It is part of the circuit principle diagram of earphone charging bin with radio function;

[0026] Figure 5 It is the circuit principle diagram of management module. DETAILED DESCRIPTION

[0027] This part will describe the specific embodiments of the present utility model in detail, and the preferred embodiments of the present utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present utility model, but it cannot be understood as the limitation of the protection scope of the present utility model.

[0028] In the description of the present utility model, the meaning of multiple is two or more, greater than, less than, more than, etc., and is not included in the number, and the above, below, etc., are included in the number.If there is a description of first, second, it is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0029] In the description of the utility model, it needs to be understood that, when the direction description is related, for example, the direction or position relation of the indication such as upper, lower, front, rear, left, right is the direction or position relation shown in the drawing, and it is only for the convenience of describing the utility model and simplifying the description, and therefore it cannot be understood as the limitation of the utility model.

[0030] In the utility model, unless otherwise explicitly limited, the words such as '' setting'', '' installation'', '' connection '' should be understood broadly, for example, it can be directly connected, also can be indirectly connected through intermediate medium, can be fixedly connected, also can be detachably connected, can be integrally formed, can be mechanically connected, can be the communication or mutual action relation of two elements inside two elements. The person skilled in the art in the technical field can combine the specific content of technical scheme to reasonably determine the specific meaning of the above words in the utility model.

[0031] Referring to Figures 1 to 5 A earphone charging bin with the function of receiving sound, including charging module 10, boost module 20, main control module 30, bluetooth module 40 and receiving module 50;

[0032] The input end of charging module 10 is connected with external power supply, and the output end is connected with main control module 30, boost module 20 and battery respectively;

[0033] The output end of boost module 20 is connected with earphone charging pile;

[0034] Bluetooth module 40 is connected with main control module 30, and is used for pairing connection with earphone;

[0035] Receiving module 50 is connected with main control module 30, and is used for collecting environmental audio signal;

[0036] Main control module 30 can send environmental audio signal collected by receiving module 50 to earphone through bluetooth module 40.

[0037] 1) in the utility model, when the charging interface is accessed to external power supply, the lithium battery in the charging bin will be charged through charging module 10, and boost module 20 is used to boost the lithium battery to 5V and charge left and right earphones, specifically:

[0038] Referring to Figures 1-2In some embodiments, the charging module 10 includes a charging chip U1, an inductor L4, resistors R23, R29-R30, R34-R36, R40-R41, R43, capacitors C22-24, and the inductor L4. One end of the inductor L4 is connected to one end of the resistor R34 and an external power source, respectively. The other end of the inductor L4 is connected to one end of the capacitor C22, one end of the capacitor C23, one end of the resistor R23, the IN pin of the charging chip U1, and one end of the resistor R36, respectively. The other end of the resistor R34 is connected to the DC_DET terminal and the GND terminal through the resistor R40. The other end of the resistor R36 is connected to the EN pin of the charging chip U1, one end of the resistor R41, and the master control module 30. The BAT pin of the charging chip U1 is connected to one end of the capacitor C24 and the third pin of the battery, respectively. The TS pin of the charging chip U1 is connected to the other end of the resistor R23, one end of the resistor R29, and one end of the resistor R30, respectively. The ISET pin of the charging chip U1 is connected to one end of the resistor R29, one end of the resistor R30, and the GND terminal through the resistor R35, respectively. The second pin of the battery is connected to the master control module 30 through the resistor R43. The other end of the capacitor C22, the other end of the capacitor C23, the other end of the resistor R41, the other end of the capacitor C24, and the first pin of the battery are connected to the GND terminal.

[0039] In other embodiments, the multifunction earphone charging box further includes an indicator light LED_G and a resistor R28. One end of the indicator light LED_G is connected to the other end of the inductor L4. The other end of the indicator light LED_G is connected to the FULL pin of the charging chip U1 through the resistor R28. The charging status is indicated by the indicator light LED_G, for example, a red light is on when charging, and a green light is on when fully charged.

[0040] Among them, the resistor R21 and the resistor R25 are used to fix the adapter output voltage to 5V, preventing the charging chip U1 from being burned out by high voltage. The power supply VBUS is connected to the power supply terminal of the charging chip U1 after passing through the inductor L4. The resistors R34 and R40 are voltage dividing resistors. The voltage after voltage division is sent to the master control module 30 to inform the master control module 30 whether it is in a charging state. The 5th pin of the charging chip U1 is the battery terminal. The 1st pin of the charging chip is the temperature detection. The 8th pin of the charging chip is the switch.

[0041] 2) Refer to Figure 1 and Figure 3In some embodiments, the voltage boosting module 20 comprises a voltage boosting chip U2, capacitors C8-C9, capacitor C16, capacitor C20, capacitor C25, inductors L2-L3, resistor R16, resistor R20 and resistor R24. One end of the capacitor C16 is connected to the third pin of the battery, one end of the capacitor C20 and one end of the inductor L3 respectively. The other end of the inductor L3 is connected to one end of the capacitor C8, one end of the capacitor C9, one end of the inductor L2 and the IN pin of the voltage boosting chip U2 respectively. The other end of the inductor L2 is connected to the FULL pin of the voltage boosting chip U2. The EN pin of the voltage boosting chip U2 is connected to the BST_EN end through the resistor R16 and connected to the GND end through the resistor R20. The OUT pin of the voltage boosting chip U2 is connected to one end of the capacitor C25, one end of the resistor R19 and the earphone charging pile respectively. The FB pin of the voltage boosting chip U2 is connected to the other end of the capacitor C25, the other end of the resistor R19 and one end of the resistor R24 respectively. The other end of the capacitor C8, the other end of the capacitor C9, the other end of the capacitor C16, the other end of the capacitor C20 and the other end of the resistor R24 are connected to the GND end.

[0042] Wherein U2 is a voltage boosting chip, the battery voltage enters the 4 pin of the voltage boosting chip U2 through the inductor L3, the 6 pin of the voltage boosting chip U2 and the inductor L2 form a BOOST voltage boosting circuit, the 5 pin of the voltage boosting chip U2 is a voltage detection pin to stabilize the output voltage at 5V, and the 1 pin of the voltage boosting chip U2 is a 5V output pin.

[0043] 3) Refer to Figure 1 and Figure 5In some embodiments, the multifunctional earphone charging bin further comprises a management module 60 connected with the master control module 30 and the voltage boosting module 20 respectively; as a preferred embodiment of the management module 60, the management module 60 comprises MOS tube Q1, MOS tube Q3, triode Q2, resistors R6-R7, resistor R11, resistor R13, resistor R15, capacitor C2, and static diodes D3-D4, the drain of the MOS tube Q3 is connected with the L_VDET end, one end of the static diode D3, and the positive pole of the charging post TP1 respectively, the source of the MOS tube Q3 is connected with the source of the MOS tube Q1 and one end of the resistor R6 respectively, the gate of the MOS tube Q3 is connected with the gate of the MOS tube Q1, the collector of the triode Q2, and the other end of the resistor R6 respectively, the drain of the MOS tube Q3 is connected with the R_VDET end, one end of the static diode D4, and the positive pole of the charging post TP2 respectively, the base of the triode Q2 is connected with one end of the resistor R11 and one end of the resistor R13 respectively, the other end of the resistor R11 is connected with the master control module 30, the negative pole of the charging post TP1 is connected with one end of the resistor R7, one end of the resistor R15, and the negative pole of the charging post TP2 respectively, the other end of the resistor R7 is connected with one end of the capacitor C2 and the GND end respectively, the other end of the resistor R15 is connected with the master control module 30 and the other end of the capacitor C2 respectively, the other end of the static diode D3, the other end of the static diode D4, the other end of the resistor R13, and the emitter of the triode Q2 are connected with the GND end.

[0044] Specifically, the MOS tube Q1 and the MOS tube Q3 are for charging management of the earphone, which can turn off the power supply when detecting that the earphone charging is completed; the resistor R7 is a current detection resistor, one end of the resistor R7 is grounded, the other end of the resistor R7 is connected with the resistor R15, the other end of the resistor R15 is connected with the capacitor C2 and connected to the master control module 30, which can filter out the noise of the resistor R15 and reduce the detection error of the master control module 30; when the earphone is inserted for charging, the voltage across the resistor R7 will decrease with the decrease of the charging, thereby detecting the charging current, when no current is detected or the current does not change for a long time, the earphone battery is fully charged.

[0045] 4) with reference to Figure 1 and Figure 4In some embodiments, the sound receiving module 50 comprises a microphone MIC1, a resistor R8, a resistor R10 and a capacitor C1, one end of the microphone MIC1 is connected to the master control module 30 and one end of the capacitor C1 through the resistor R8 respectively, the other end of the microphone MIC1 is connected to the master control module 30 and the other end of the capacitor C1 through the resistor R10 respectively; specifically, SW1 is a function switching switch, which can be switched to a headphone mode or a sound receiving mode, when SW1 is switched to the sound receiving mode, MIC1 is a high-sensitivity microphone, which can receive environmental sound, MBT1 is an MCU+ Bluetooth chip, the MCU directly drives the display module 80, the environmental boost received by MIC1 is connected to the MICP and MICN ports of the Bluetooth module 40 through the resistors R8 and R10, the resistors R8 and R10 are connected to the capacitor C1 at the same time, the capacitor C1 is used as a high-frequency filter to filter out some stray noise, so that the human voice is more pure; after the human voice enters MBT1, it is sent to the mobile phone through Bluetooth LEaudio, and can be transmitted to the earphone for receiving, so that the shooting person can listen to the sound of the video in real time.

[0046] 5) Refer to Figure 1 and Figure 5 In some embodiments, the multifunctional earphone charging bin further comprises a hall induction module 70 connected with the master control module 30, which is used for detecting whether the earphone is located in the charging bin; further, the multifunctional earphone charging bin further comprises a display module 80 connected with the master control module 30.

[0047] Specifically, when the earphone is put into the charging bin, the hall induction module 70 detects that the earphone is inserted, and transmits the detection data to the master control module 10, the master control module 10 judges whether the earphone is correctly put into the charging bin according to the detection data, and controls the management module 60 to send a charging signal to the earphone; the control chip U4 is an electric 3-axis gyroscope, the control chip U4 and the master control module 10 communicate through SCL, SDA and SDO, when the electric 3-axis gyroscope senses a change, it can inform the master control module 10 through I2C, so as to control other functions; the multifunctional earphone charging bin further comprises a switch SW1 connected with the master control module 30, which is used for function setting; the utility model also provides a Bluetooth earphone, which comprises the earphone charging bin.

[0048] 6) The utility model has the advantages that: through the above-mentioned circuit, the charging bin can be used as a wireless sound receiving microphone, after the charging bin is clamped in front of the chest to receive sound, the sound is transmitted to the terminal through the Bluetooth module, so that the person far away from the terminal can also receive clear sound, and the utility model has very good practicability.

[0049] Of course, the utility model is not limited to the above-mentioned embodiments, and those skilled in the art can make equivalent transformations or replacements without departing from the spirit of the utility model, and these equivalent transformations and replacements are all included in the range defined by the claims of the application.

Claims

1. An earphone charging bin with a radio function, characterized in that: The earphone comprises a charging module (10), a voltage boosting module (20), a main control module (30), a Bluetooth module (40) and a radio module (50). The input end of the charging module (10) is connected with an external power supply, and the output end is connected with the main control module (30), the voltage boosting module (20) and a battery respectively. The output end of the voltage boosting module (20) is connected with an earphone charging pile. The Bluetooth module (40) is connected with the main control module (30) and is used for pairing connection with an earphone. The radio module (50) is connected with the main control module (30) and is used for collecting environmental audio signals. The main control module (30) can send the environmental audio signals collected by the radio module (50) to the earphone through the Bluetooth module (40).

2. The earphone charging pod with a radio function according to claim 1, characterized in that: The charging module (10) comprises a charging chip U1, an inductor L4, a resistor R23, resistors R29-R30, resistors R34-R36, resistors R40-R41, a resistor R43, capacitors C22-C24 and the inductor L4. One end of the inductor L4 is connected with one end of the resistor R34 and an external power supply respectively. The other end of the inductor L4 is connected with one end of the capacitor C22, one end of the capacitor C23, one end of the resistor R23, an IN pin of the charging chip U1 and one end of the resistor R36 respectively. The other end of the resistor R34 is connected with a DC_DET end and connected with a GND end through a resistor R40. The other end of the resistor R36 is connected with an EN pin of the charging chip U1, one end of a resistor R41 and the main control module (30). A BAT pin of the charging chip U1 is connected with one end of a capacitor C24 and a third pin of a battery respectively. A TS pin of the charging chip U1 is connected with the other end of the resistor R23, one end of the resistor R29 and one end of the resistor R30 respectively. An ISET pin of the charging chip U1 is connected with one end of the resistor R29, one end of the resistor R30 and the GND end through a resistor R35 respectively. A second pin of the battery is connected with the main control module (30) through a resistor R43. The other end of the capacitor C22, the other end of the capacitor C23, the other end of the resistor R41, the other end of the capacitor C24 and a first pin of the battery are connected with the GND end.

3. The earphone charging case with a radio function according to claim 2, characterized in that: The charging module (10) further comprises an indicator light LED_G and a resistor R28. One end of the indicator light LED_G is connected with the other end of the inductor L4. The other end of the indicator light LED_G is connected with a FULL pin of the charging chip U1 through the resistor R28.

4. The earphone charging case with a radio function according to claim 1, characterized in that: The boost module (20) includes a boost chip U2, capacitors C8-C9, a capacitor C16, a capacitor C20, a capacitor C25, inductors L2-L3, a resistor R16, a resistor R20, and a resistor R24. One end of the capacitor C16 is connected to a third pin of a battery, one end of the capacitor C20, and one end of the inductor L3, respectively. The other end of the inductor L3 is connected to one end of the capacitor C8, one end of the capacitor C9, one end of the inductor L2, and an IN pin of the boost chip U2, respectively. The other end of the inductor L2 is connected to a FULL pin of the boost chip U2. An EN pin of the boost chip U2 is connected to a BST_EN end through the resistor R16 and to a GND end through the resistor R20. An OUT pin of the boost chip U2 is connected to one end of the capacitor C25, one end of a resistor R19, and a headphone charging pile, respectively. A FB pin of the boost chip U2 is connected to the other end of the capacitor C25, the other end of the resistor R19, and one end of the resistor R24, respectively. The other end of the capacitor C8, the other end of the capacitor C9, the other end of the capacitor C16, the other end of the capacitor C20, and the other end of the resistor R24 are connected to the GND end.

5. The earphone charging case with a radio function according to claim 4, characterized in that: A management module (60) connected to the main control module (30) and the boost module (20) is further included.

6. The earphone charging pod with a radio function according to claim 5, characterized in that: The management module (60) includes MOS tubes Q1 and Q3, a transistor Q2, resistors R6-R7, a resistor R11, a resistor R13, a resistor R15, a capacitor C2, and static diodes D3-D4. The drain of the MOS tube Q3 is connected to an L_VDET end, one end of the static diode D3, and a positive pole of a charging pile TP1, respectively. The source of the MOS tube Q3 is connected to the source of the MOS tube Q1 and one end of the resistor R6, respectively. The gate of the MOS tube Q3 is connected to the gate of the MOS tube Q1, the collector of the transistor Q2, and the other end of the resistor R6, respectively. The drain of the MOS tube Q3 is connected to an R_VDET end, one end of the static diode D4, and a positive pole of a charging pile TP2, respectively. The base of the transistor Q2 is connected to one end of the resistor R11 and one end of the resistor R13, respectively. The other end of the resistor R11 is connected to the main control module (30). The negative pole of the charging pile TP1 is connected to one end of the resistor R7, one end of the resistor R15, and the negative pole of the charging pile TP2, respectively. The other end of the resistor R7 is connected to one end of the capacitor C2 and a GND end, respectively. The other end of the resistor R15 is connected to the main control module (30) and the other end of the capacitor C2, respectively. The other end of the static diode D3, the other end of the static diode D4, the other end of the resistor R13, and the emitter of the transistor Q2 are connected to the GND end.

7. The earphone charging pod with a radio function of claim 1, wherein: The radio module (50) includes a microphone MIC 1, resistors R8 and R10, and a capacitor C1. One end of the microphone MIC 1 is connected to the main control module (30) and one end of the capacitor C1 through the resistor R8, respectively. The other end of the microphone MIC 1 is connected to the main control module (30) and the other end of the capacitor C1 through the resistor R10, respectively.

8. The earphone charging pod with a radio function according to claim 1, characterized in that: A Hall induction module (70) connected to the master control module (30) is further included for detecting whether the earphone is located in the charging bin.

9. The earphone charging case with a radio function according to claim 1, characterized in that: A display module (80) connected to the master control module (30) is further included.

10. A Bluetooth earpiece, characterized by: The earphone charging bin of any one of claims 1-9 is included.

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