Portable multifunctional Bluetooth sound box with colorful light

Abstract

The utility model discloses a portable colorful light multifunctional Bluetooth sound box, and relates to the technical field of Bluetooth sound boxes. The main technical scheme is as follows: the Bluetooth audio power supply comprises an audio input module, a Bluetooth module, an indication module, a power amplifier module, a power supply module, a boost switch voltage stabilization module, a synchronous voltage reduction DC-DC conversion module and a switch module, the Bluetooth module is connected with the audio input module; the indication module is connected with the Bluetooth module; the power amplifier module is connected with the Bluetooth module; the power supply module is connected with the Bluetooth module and the audio output module; the boost switch voltage stabilization module is connected with the power supply module and the power amplifier module. The synchronous step-down DC-DC conversion module is connected with the power supply module, the Bluetooth module, the power amplifier module and the indication module; the switch module is connected with the power supply module and the Bluetooth module. Through the charging control unit and the voltage conversion module, efficient management of the battery and stable output of the voltage are expected to be realized, so that the service time of the sound box is prolonged, and the charging frequency of the sound box is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of bluetooth sound box, concretely relates to a portable multicolor light multifunctional bluetooth sound box. BACKGROUND

[0002] With the development of mobile internet and the change of personal entertainment mode, consumers' demand for portable sound box products is increasing. People hope to enjoy high-quality music and entertainment experience in outdoor activities, travel or family gatherings and other occasions.

[0003] The existing bluetooth sound box mostly lacks effective power management mode, causing the portable sound box to need frequent charging. Therefore, how to provide a kind of effective power management can be carried out to reduce the charging frequency of portable sound box, it is the urgent technical problem to be solved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of portable multicolor light multifunctional bluetooth sound box, which can carry out effective power management to realize the purpose of reducing the frequency of portable sound box.

[0005] To solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A kind of portable multicolor light multifunctional bluetooth sound box, including audio input module, bluetooth module, indicating module, power amplifier module, power module, boost type switching voltage stabilizing module, synchronous step-down DC-DC conversion module and switch module, the audio input module is used to access audio signal;The input end of the bluetooth module is connected with the output end of audio input module;The input end of the indicating module is connected with the output end of bluetooth module;The input end of the power amplifier module is connected with the output end of bluetooth module;The power module is used to input power supply, the power module is connected with bluetooth module, and the output end of the power module is connected with the input end of audio output module;The input end of the boost type switching voltage stabilizing module is connected with the output end of power module, and the output end of the boost type switching voltage stabilizing module is connected with the input end of power amplifier module;The input end of the synchronous step-down DC-DC conversion module is connected with the output end of power module, and the output end of the synchronous step-down DC-DC conversion module is connected with the input end of bluetooth module, the input end of power amplifier module and the input end of indicating module;The input end of the switch module is connected with the output end of power module, and the output end of the switch module is connected with the input end of bluetooth module.

[0007] A further solution is that the audio input module comprises an audio input connector CN106, a magnetic bead FB14, a magnetic bead FB15, a resistor RC11, a resistor RC13, a resistor RC12, a resistor RA09, a capacitor CC12, a capacitor CC13, a capacitor CC14 and a capacitor CC15; the audio input connector CN106 is used for accessing an audio signal; one end of the magnetic bead FB14 is connected with a No.1 pin of the audio input connector CN106 and a No.2 pin of the audio input connector CN106, and the other end of the magnetic bead FB14 is connected with one end of the resistor RC13; the other end of the resistor RC13 is connected with one end of the capacitor CC12; one end of the magnetic bead FB15 is connected with a No.3 pin of the audio input connector CN106 and a No.4 pin of the audio input connector CN106, and the other end of the magnetic bead FB15 is connected with one end of the resistor RC12; the other end of the resistor RC12 is connected with one end of the capacitor CC13; a No.5 pin of the audio input connector CN106 is connected with one end of the capacitor CC14 and one end of the capacitor CC15; a No.6 pin of the audio input connector CN106 is connected with one end of the resistor RC11; the other end of the resistor RC11 is connected with one end of the resistor RA09; the other end of the capacitor CC12, the other end of the capacitor CC13, the other end of the capacitor CC14, the other end of the capacitor CC15 and the other end of the resistor RC11 are connected with an input end of a Bluetooth module; the other end of the resistor RA09 is connected with an output end of a power module.

[0008] A further solution is that the Bluetooth module comprises a Bluetooth chip UD01, a band-pass filter U7, a resistor RD03, an antenna ANT_T12, a resistor RA50, a resistor RA51, a resistor RA52, a resistor RA53, a resistor RB30, a magnetic bead FB04, a linear voltage stabilizer UB03, a resistor RB04, a resistor RB25 and a magnetic bead FB03; the Bluetooth chip UD01 is ATS2835; the band-pass filter U7 is LFB152G45CB2D320; the No. 4 pin of the band-pass filter U7 is connected with the No. 18 pin of the Bluetooth chip UD01; the No. 2 pin of the band-pass filter U7 is connected with one end of the resistor RD03; the other end of the resistor RD03 is connected with the No. 1 pin of the antenna ANT_T12; the No. 16 pin of the Bluetooth chip UD01 is connected with one end of the resistor RA50; the No. 15 pin of the Bluetooth chip UD01 is connected with one end of the resistor RA51; the No. 14 pin of the Bluetooth chip UD01 is connected with one end of the resistor RA52; the other end of the resistor RA50, the other end of the resistor RA51 and the other end of the resistor RA52 are all connected with the input end of the power amplifier module; the No. 11 pin of the Bluetooth chip UD01 is connected with one end of the resistor RA53; the other end of the resistor RA53 is connected with the input end of the indication module; the No. 35 pin of the Bluetooth chip UD01 is connected with one end of the magnetic bead FB03; the other end of the magnetic bead FB03 is connected with one end of the resistor RB24 and the No. 2 pin of the linear voltage stabilizer UB03; the other end of the resistor RB24 and one end of the resistor RB25 are both connected with the No. 1 pin of the linear voltage stabilizer UB03; the No. 3 pin of the linear voltage stabilizer UB03 is connected with one end of the magnetic bead FB04; the other end of the resistor RB25 is grounded; the other end of the magnetic bead FB04 is connected with one end of the resistor RB30; the other end of the resistor RB30 is connected with the output end of the power module; the No. 50 pin of the Bluetooth chip UD01 is connected with the other end of the resistor RC11; the No. 46 pin of the Bluetooth chip UD01 is connected with the other end of the capacitor CC12; the No. 49 pin of the Bluetooth chip UD01 is connected with the other end of the capacitor CC13; the No. 48 pin of the Bluetooth chip UD01 is connected with the other end of the capacitor CC14; the No. 47 pin of the Bluetooth chip UD01 is connected with the other end of the capacitor CC15.

[0009] A further solution is that the synchronous step-down DC-DC conversion module comprises a synchronous step-down DC-DC conversion chip UB02, a resistor RB21, a capacitor CB20, an inductor LB02, a resistor RB22, a magnetic bead FB01, a linear voltage regulator UB04, a magnetic bead FB02, a MOS tube QB08, a resistor RB34, a resistor RB33, a triode QB07, a resistor RB32 and a resistor RB31; the synchronous step-down DC-DC conversion chip UB02 is FR9608; the No.1 pin of the synchronous step-down DC-DC conversion chip UB02 is connected with one end of the capacitor CB20; the No.2 pin of the synchronous step-down DC-DC conversion chip UB02 and one end of the resistor RB21 are both connected with the output end of the power module; the No.3 pin of the synchronous step-down DC-DC conversion chip UB02 is connected with the other end of the capacitor CB20 and one end of the inductor LB02; the other end of the inductor LB02 is connected with one end of the magnetic bead FB01, one end of the resistor RB22, the source of the MOS tube QB08 and one end of the resistor RB34; the other end of the magnetic bead FB01 is connected with the No.2 pin of the linear voltage regulator UB04; the No.3 pin of the linear voltage regulator UB04 is connected with one end of the magnetic bead FB02; the other end of the magnetic bead FB02 is connected with the input end of the power amplifier module; the drain of the MOS tube QB08 is connected with the input end of the indication module; the gate of the MOS tube QB08 is connected with the other end of the resistor RB34 and one end of the resistor RB33; the collector of the triode QB07 is connected with the other end of the resistor RB33; the base of the triode QB07 is connected with one end of the resistor RB32 and one end of the resistor RB31; the emitter of the triode QB07 and the other end of the resistor RB32 are both grounded; the other end of the resistor RB31 is connected with the No.62 pin of the Bluetooth chip UD01; the No.5 pin of the synchronous step-down DC-DC conversion chip UB02 is connected with the other end of the resistor RB22; and the No.7 pin of the synchronous step-down DC-DC conversion chip UB02 is connected with the other end of the resistor RB21.

[0010] A further scheme is: the power amplifier module includes power amplifier chip UA01, resistance RA01, resistance RA02, resistance RA03, resistance RA04, inductance LA01, inductance LA02, inductance LA03, inductance LA04; the power amplifier chip UA01 is ACM8628; the 2nd pin of the power amplifier chip UA01 and one end of the resistance RA01 are connected with the other end of the magnetic bead FB02; the 3rd pin of the power amplifier chip UA01 is connected with the other end of the resistance RA01; the 6th pin of the power amplifier chip UA01 is connected with the other end of the resistance RA51; the 7th pin of the power amplifier chip UA01 is connected with the other end of the resistance RA52; the 8th pin of the power amplifier chip UA01 is connected with the other end of the resistance RA50; the 10th pin of the power amplifier chip UA01 is connected with one end of the resistance RA02; the other end of the resistance RA02 is connected with the 24th pin of the Bluetooth chip UD01; the 11th pin of the power amplifier chip UA01 is connected with one end of the resistance RA03; the other end of the resistance RA03 is connected with the 22nd pin of the Bluetooth chip UD01; the 12th pin of the power amplifier chip UA01 is connected with one end of the resistance RA04; the other end of the resistance RA04 is connected with the 13th pin of the Bluetooth chip UD01; the 15th pin of the power amplifier chip UA01, the 16th pin of the power amplifier chip UA01, the 27th pin of the power amplifier chip UA01, the 28th pin of the power amplifier chip UA01 are connected with the output end of the boost type switching voltage stabilizing module; the 17th pin of the power amplifier chip UA01 is connected with one end of the inductance LA04; the other end of the inductance LA04 is used for connecting the 1st pin of the power amplifier speaker interface JA01; the 20th pin of the power amplifier chip UA01 is connected with one end of the inductance LA03; the other end of the inductance LA03 is used for connecting the 2nd pin of the power amplifier speaker interface JA01; the 23rd pin of the power amplifier chip UA01 is connected with one end of the inductance LA02; the other end of the inductance LA02 is used for connecting the 1st pin of the power amplifier speaker interface JA03; the 26th pin of the power amplifier chip UA01 is connected with one end of the inductance LA01; the other end of the inductance LA01 is used for connecting the 2nd pin of the power amplifier speaker interface JA03.

[0011] A further scheme is: the boost type switching voltage stabilizing module comprises a boost type switching voltage stabilizing chip UA04, a resistor RA43, a triode QB06, a resistor RA41, a resistor RA39, an inductor LB04, a diode DB05, a diode DB06, a resistor RA35, a resistor RA36 and a resistor RA14; the boost type switching voltage stabilizing chip UA04 is CS5038E; one end of the resistor RA43 is connected with a No. 68 pin of the Bluetooth chip UD01, and the other end of the resistor RA43 is connected with a base of the triode QB06; an emitter of the triode QB06 is grounded; a No. 11 pin of the boost type switching voltage stabilizing chip UA04 is connected with a collector of the triode QB06 and one end of the resistor RA39; the other end of the resistor RA39 is connected with an output end of the power module and one end of the inductor LB04; the other end of the inductor LB04 is connected with a No. 13 pin of the boost type switching voltage stabilizing chip UA04, a No. 14 pin of the boost type switching voltage stabilizing chip UA04, a No. 15 pin of the boost type switching voltage stabilizing chip UA04, a No. 16 pin of the boost type switching voltage stabilizing chip UA04, a positive pole of the diode DB06 and a positive pole of the diode DB05; a No. 9 pin of the boost type switching voltage stabilizing chip UA04 is connected with a No. 15 pin of the power amplifier chip UA01, a No. 16 pin of the power amplifier chip UA01, a No. 27 pin of the power amplifier chip UA01, a No. 28 pin of the power amplifier chip UA01, a negative pole of the diode DB05, a negative pole of the diode DB06, one end of the resistor RA35; the other end of the resistor RA35 is connected with one end of the resistor RA36; a No. 10 pin of the boost type switching voltage stabilizing chip UA04 is connected with the other end of the resistor RA36 and one end of the resistor RA14; the other end of the resistor RA14 is grounded.

[0012] A further solution is that the power module comprises an input unit and a charging control unit; the input unit comprises a charging interface USB03, a magnetic bead FB06, a protection diode ESD6, a capacitor CB01, a capacitor C91, a resistor RB02, a resistor RB01, a magnetic bead FB07 and a magnetic bead FB05; the charging interface USB03 is used for input power; the No. 4 pin of the charging interface USB03 is connected with one end of the resistor RB01; the No. 14 pin of the charging interface USB03 is connected with one end of the resistor RB02; the No. 7 pin of the charging interface USB03, the No. 8 pin of the charging interface USB03, the No. 9 pin of the charging interface USB03, the No. 10 pin of the charging interface USB03 and one end of the capacitor C91 are all connected with one end of the magnetic bead FB05; the No. 1 pin of the charging interface USB03, the No. 16 pin of the charging interface USB03, the other end of the magnetic bead FB05, the other end of the capacitor C91, one end of the capacitor CB01 are all connected with one end of the magnetic bead FB07; the other end of the resistor RB01, the other end of the resistor RB02 and the other end of the magnetic bead FB07 are all connected with one end of the protection diode ESD5; the No. 2 pin of the charging interface USB03, the No. 15 pin of the charging interface USB03, the other end of the protection diode ESD5 and the other end of the capacitor CB01 are all connected with one end of the magnetic bead FB06; the other end of the magnetic bead FB06 is connected with the input end of the charging control unit; the charging control unit is connected with the Bluetooth module, and the output end of the charging control unit is connected with the input end of the switch module and the input end of the synchronous step-down DC-DC conversion module.

[0013] A further scheme is: the charging control unit includes charging control chip UB01, resistance RB19, MOS tube QB03, diode DB04, diode DB03, resistance RB16, resistance RB17, resistance RB35, triode QB01, battery group BATT, diode DB02, inductor LB01, MOS tube QB02, resistance RB12, resistance RB10, resistance RB09, resistance RB08, resistance RB07, resistance RB06, resistance RB04 and resistance RB03;The charging control chip UB01 is DT7135;One end of the resistance RB03 and one end of the resistance RB04 are connected with the other end of the magnetic bead FB06;The other end of the resistance RB03 is connected with one end of the resistance RB07, one end of the resistance RB08, one end of the resistance RB09 and one end of the inductor LB01;The other end of the resistance RB07 is connected with the No. 6 pin of the charging control chip UB01;The other end of the resistance RB08 is connected with the No. 2 pin of the charging control chip UB01 and the No. 8 pin of the Bluetooth chip UD01;The other end of the resistance RB09 is connected with the No. 3 pin of the charging control chip UB01 and the No. 7 pin of the Bluetooth chip UD01;The other end of the inductor LB01 is connected with the positive electrode of the diode DB02 and the source electrode of the MOS tube QB02;The gate electrode of the MOS tube QB02 is connected with one end of the resistance RB10 and the No. 4 pin of the charging control chip UB01;The drain electrode of the MOS tube QB02 and the other end of the resistance RB10 are grounded;The other end of the resistance RB04 is connected with the No. 1 pin of the charging control chip UB01, one end of the resistance RB05 and the NTC+ of the battery group BATT;The other end of the resistance RB05 is connected with the No. 5 pin of the charging control chip UB01 and the NTC- of the battery group BATT;The No. 7 pin of the charging control chip UB01 is connected with one end of the resistance RB12;The other end of the resistance RB12 is connected with the BATT+ of the battery group BATT, the negative electrode of the diode DB02, the No. 1 pin of the MOS tube QB03, the No. 2 pin of the MOS tube QB03, the No. 3 pin of the MOS tube QB03 and one end of the resistance RB15;The No. 4 pin of the MOS tube QB03 and the other end of the resistance RB15 are connected with one end of the resistance RB16;The other end of the resistance RB16 is connected with the positive electrode of the diode DB03 and the collector of the triode QB01;The negative electrode of the diode DB03, the negative electrode of the diode DB04 and the positive electrode of the diode DB04 are connected with the input end of the switch module;The emitter of the triode QB01 is grounded;The base of the QB01 is connected with one end of the resistance RB17 and one end of the resistance RB35;The other end of the resistance RB17 is connected with the No. 64 pin of the Bluetooth chip UD01;The other end of the resistance RB35 is connected with the No. 38 pin of the Bluetooth chip UD01 and the other end of the resistance RA09;One end of the resistor RB19 is connected with the No.5 pin of the MOS tube QB03, the No.6 pin of the MOS tube QB03, the No.7 pin of the MOS tube QB03, the No.8 pin of the MOS tube QB03, the No.2 pin of the synchronous step-down DC-DC conversion chip UB02, one end of the resistor RB21, the other end of the resistor RB30, the other end of the resistor RA39; the other end of the resistor RB19 is connected with the No.5 pin of the Bluetooth chip UD01.

[0014] Further, the switch module includes the resistor RD20, the resistor RD22, the resistor RA67, the resistor RA70, the resistor RA71, the resistor RA72, the resistor RA73, the resistor RA2, the resistor RA3, the switch S1, the switch S2, the switch S3, the switch S4, the switch S5, the switch S6, the switch S7 and the switch S8; one end of the resistor RD20 and one end of the resistor RD22 are connected with the positive electrode of the diode DB04; the other end of the resistor R20 is connected with the No.29 pin of the Bluetooth chip UD01; the other end of the resistor R22 is connected with the No.30 pin of the Bluetooth chip UD01; one end of the switch S8 is connected with the negative electrode of the diode DB03 and the negative electrode of the diode DB04; one end of the resistor RA67 is connected with the No.39 pin of the Bluetooth chip UD01; one end of the resistor RA67 is connected with the No.43 pin of the Bluetooth chip UD01, one end of the resistor RA70, one end of the resistor RA71, one end of the resistor RA72, one end of the resistor RA73, one end of the resistor RA2 and one end of the resistor RA3; one end of the switch S5 is connected with the other end of the resistor RA70; one end of the switch S3 is connected with the other end of the resistor RA71; one end of the switch S4 is connected with the other end of the resistor RA72; one end of the switch S6 is connected with the other end of the resistor RA73; one end of the switch S7 is connected with the other end of the resistor RA74; one end of the switch S1 is connected with the other end of the resistor RA72; one end of the switch S2 is connected with the other end of the resistor RA3; the other end of the switch S1, the other end of the switch S2, the other end of the switch S3, the other end of the switch S4, the other end of the switch S5, the other end of the switch S6, the other end of the switch S7 and the other end of the switch S8 are grounded.

[0015] Further further scheme is: the indication module includes first indication unit, second indication unit, third indication unit, fourth indication unit and fifth indication unit;The input end of the first indication unit is connected with the drain of MOS tube QB08, the No.12 pin of bluetooth chip UD01;The input end of the second indication unit is connected with the No.10 pin of bluetooth chip UD01, the No.67 pin of bluetooth chip UD01, the No.58 pin of bluetooth chip UD01;The input end of the third indication unit is connected with the No.44 pin of bluetooth chip UD01;The input end of the fourth indication unit is connected with the No.6 pin of bluetooth chip UD01, the No.4 pin of bluetooth chip UD01, the No.3 pin of bluetooth chip UD01, the No.2 pin of bluetooth chip UD01;The input end of the fifth indication unit is connected with the drain of MOS tube QB08, the other end of resistance RA53.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] On the one hand, the portable colorful light multifunctional bluetooth sound box has the functions of bluetooth audio playing and colorful light effect, so as to realize the purpose of enriching the user's audio-visual experience. On the other hand, through the charging control unit and the voltage conversion module, the purpose of efficiently managing the battery and stably outputting the voltage is expected to be realized, thereby prolonging the use time of the portable colorful light multifunctional bluetooth sound box and reducing the charging frequency of the portable colorful light multifunctional bluetooth sound box. On the other hand, through the switch module and the indication module, the purpose of facilitating the user to control the sound box function and check the working state of the sound box is expected to be realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an electrical block diagram of a portable colorful light multifunctional bluetooth sound box in the embodiment;

[0019] Figure 2 It is a circuit structure topology diagram of an audio input module for a portable colorful light multifunctional bluetooth sound box in the embodiment;

[0020] Figure 3 It is a circuit structure topology diagram of a bluetooth module for a portable colorful light multifunctional bluetooth sound box in the embodiment;

[0021] Figure 4 It is a circuit structure topology diagram of a first indication unit of an indication module for a portable colorful light multifunctional bluetooth sound box in the embodiment;

[0022] Figure 5 It is a circuit structure topology diagram of a second indication unit of an indication module for a portable colorful light multifunctional bluetooth sound box in the embodiment;

[0023] Figure 6Circuit structure topology of a third indication unit of an indication module for a portable multi-functional Bluetooth speaker with colorful light in the embodiment;

[0024] Figure 7 Circuit structure topology of a fourth indication unit of an indication module for a portable multi-functional Bluetooth speaker with colorful light in the embodiment;

[0025] Figure 8 Circuit structure topology of a fifth indication unit of an indication module for a portable multi-functional Bluetooth speaker with colorful light in the embodiment;

[0026] Figure 9 Circuit structure topology of a power amplifier module for a portable multi-functional Bluetooth speaker with colorful light in the embodiment;

[0027] Figure 10 Circuit structure topology of an input unit of a power supply module for a portable multi-functional Bluetooth speaker with colorful light in the embodiment;

[0028] Figure 11 Circuit structure topology of a charging control unit of a power supply module for a portable multi-functional Bluetooth speaker with colorful light in the embodiment;

[0029] Figure 12 Circuit structure topology of a boost-type switching voltage stabilizing module for a portable multi-functional Bluetooth speaker with colorful light in the embodiment;

[0030] Figure 13 Circuit structure topology of a synchronous step-down DC-DC conversion module for a portable multi-functional Bluetooth speaker with colorful light in the embodiment;

[0031] Figure 14 Circuit structure topology of a switching module for a portable multi-functional Bluetooth speaker with colorful light in the embodiment.

[0032] Markings in the drawings and corresponding names of parts:

[0033] 100 - audio input module; 200 - Bluetooth module; 300 - indication module; 400 - power amplifier module; 500 - power supply module; 600 - boost-type switching voltage stabilizing module; 700 - synchronous step-down DC-DC conversion module; 800 - switching module. DETAILED DESCRIPTION

[0034] The utility model will be further described below in combination with the drawings.

[0035] Embodiment: The embodiment provides a portable multi-functional Bluetooth speaker with colorful light, such as Figure 1As shown, it comprises an audio input module 100, a Bluetooth module 200, an indication module 300, a power amplifier module 400, a power module 500, a boost switching voltage stabilizing module 600, a synchronous step-down DC-DC conversion module 700 and a switching module 800, the audio input module 100 is used for accessing audio signals; the input end of the Bluetooth module 200 is connected with the output end of the audio input module 100; the input end of the indication module 300 is connected with the output end of the Bluetooth module 200; the input end of the power amplifier module 400 is connected with the output end of the Bluetooth module 200; the power module 500 is used for accessing input power, the power module 500 is connected with the Bluetooth module 200, and the output end of the power module 500 is connected with the input end of the audio output module; the input end of the boost switching voltage stabilizing module 600 is connected with the output end of the power module 500, and the output end of the boost switching voltage stabilizing module 600 is connected with the input end of the power amplifier module 400; the input end of the synchronous step-down DC-DC conversion module 700 is connected with the output end of the power module 500, and the output end of the synchronous step-down DC-DC conversion module 700 is connected with the input end of the Bluetooth module 200, the input end of the power amplifier module 400 and the input end of the indication module 300; the input end of the switching module 800 is connected with the output end of the power module 500, and the output end of the switching module 800 is connected with the input end of the Bluetooth module 200.

[0036] In the embodiment, as Figure 2As shown, the audio input module 100 comprises an audio input connector CN106, a magnetic bead FB14, a magnetic bead FB15, a resistor RC11, a resistor RC13, a resistor RC12, a resistor RA09, a capacitor CC12, a capacitor CC13, a capacitor CC14 and a capacitor CC15; the audio input connector CN106 is used for accessing an audio signal; one end of the magnetic bead FB14 is connected with a No.1 pin of the audio input connector CN106 and a No.2 pin of the audio input connector CN106, and the other end of the magnetic bead FB14 is connected with one end of the resistor RC13; the other end of the resistor RC13 is connected with one end of the capacitor CC12; one end of the magnetic bead FB15 is connected with a No.3 pin of the audio input connector CN106 and a No.4 pin of the audio input connector CN106, and the other end of the magnetic bead FB15 is connected with one end of the resistor RC12; the other end of the resistor RC12 is connected with one end of the capacitor CC13; a No.5 pin of the audio input connector CN106 is connected with one end of the capacitor CC14 and one end of the capacitor CC15; a No.6 pin of the audio input connector CN106 is connected with one end of the resistor RC11; the other end of the resistor RC11 is connected with one end of the resistor RA09; the other end of the capacitor CC12, the other end of the capacitor CC13, the other end of the capacitor CC14, the other end of the capacitor CC15 and the other end of the resistor RC11 are connected with an input end of the Bluetooth module 200; the other end of the resistor RA09 is connected with an output end of the power module 500.

[0037] In this embodiment, as shown in FIG. 1, the audio input module 100 comprises an audio input connector CN106, a magnetic bead FB14, a magnetic bead FB15, a resistor RC11, a resistor RC13, a resistor RC12, a resistor RA09, a capacitor CC12, a capacitor CC13, a capacitor CC14 and a capacitor CC15. Figure 3As shown, the Bluetooth module 200 includes a Bluetooth chip UD01, a band-pass filter U7, a resistor RD03, an antenna ANT_T12, a resistor RA50, a resistor RA51, a resistor RA52, a resistor RA53, a resistor RB30, a magnetic bead FB04, a linear voltage stabilizer UB03, a resistor RB04, a resistor RB25, and a magnetic bead FB03; the Bluetooth chip UD01 is ATS2835; the band-pass filter U7 is LFB152G45CB2D320; the No. 4 pin of the band-pass filter U7 is connected with the No. 18 pin of the Bluetooth chip UD01; the No. 2 pin of the band-pass filter U7 is connected with one end of the resistor RD03; the other end of the resistor RD03 is connected with the No. 1 pin of the antenna ANT_T12; the No. 16 pin of the Bluetooth chip UD01 is connected with one end of the resistor RA50; the No. 15 pin of the Bluetooth chip UD01 is connected with one end of the resistor RA51; the No. 14 pin of the Bluetooth chip UD01 is connected with one end of the resistor RA52; the other end of the resistor RA50, the other end of the resistor RA51, and the other end of the resistor RA52 are all connected with the input end of the power amplifier module 400; the No. 11 pin of the Bluetooth chip UD01 is connected with one end of the resistor RA53; the other end of the resistor RA53 is connected with the input end of the indication module 300; the No. 35 pin of the Bluetooth chip UD01 is connected with one end of the magnetic bead FB03; the other end of the magnetic bead FB03 is connected with one end of the resistor RB24 and the No. 2 pin of the linear voltage stabilizer UB03; the other end of the resistor RB24 and one end of the resistor RB25 are both connected with the No. 1 pin of the linear voltage stabilizer UB03; the No. 3 pin of the linear voltage stabilizer UB03 is connected with one end of the magnetic bead FB04; the other end of the resistor RB25 is grounded; the other end of the magnetic bead FB04 is connected with one end of the resistor RB30; the other end of the resistor RB30 is connected with the output end of the power supply module 500; the No. 50 pin of the Bluetooth chip UD01 is connected with the other end of the resistor RC11; the No. 46 pin of the Bluetooth chip UD01 is connected with the other end of the capacitor CC12; the No. 49 pin of the Bluetooth chip UD01 is connected with the other end of the capacitor CC13; the No. 48 pin of the Bluetooth chip UD01 is connected with the other end of the capacitor CC14; the No. 47 pin of the Bluetooth chip UD01 is connected with the other end of the capacitor CC15.

[0038] In the embodiment, as Figure 13As shown, the synchronous step-down DC-DC conversion module 700 comprises a synchronous step-down DC-DC conversion chip UB02, a resistor RB21, a capacitor CB20, an inductor LB02, a resistor RB22, a magnetic bead FB01, a linear voltage regulator UB04, a magnetic bead FB02, a MOS tube QB08, a resistor RB34, a resistor RB33, a triode QB07, a resistor RB32 and a resistor RB31; the synchronous step-down DC-DC conversion chip UB02 is FR9608; the No.1 pin of the synchronous step-down DC-DC conversion chip UB02 is connected with one end of the capacitor CB20; the No.2 pin of the synchronous step-down DC-DC conversion chip UB02 and one end of the resistor RB21 are both connected with the output end of the power module 500; the No.3 pin of the synchronous step-down DC-DC conversion chip UB02 is connected with the other end of the capacitor CB20 and one end of the inductor LB02; the other end of the inductor LB02 is connected with one end of the magnetic bead FB01, one end of the resistor RB22, the source of the MOS tube QB08 and one end of the resistor RB34; the other end of the magnetic bead FB01 is connected with the No.2 pin of the linear voltage regulator UB04; the No.3 pin of the linear voltage regulator UB04 is connected with one end of the magnetic bead FB02; the other end of the magnetic bead FB02 is connected with the input end of the power amplifier module 400; the drain of the MOS tube QB08 is connected with the input end of the indication module 300; the gate of the MOS tube QB08 is connected with the other end of the resistor RB34 and one end of the resistor RB33; the collector of the triode QB07 is connected with the other end of the resistor RB33; the base of the triode QB07 is connected with one end of the resistor RB32 and one end of the resistor RB31; the emitter of the triode QB07 and the other end of the resistor RB32 are both grounded; the other end of the resistor RB31 is connected with the No.62 pin of the Bluetooth chip UD01; the No.5 pin of the synchronous step-down DC-DC conversion chip UB02 is connected with the other end of the resistor RB22; and the No.7 pin of the synchronous step-down DC-DC conversion chip UB02 is connected with the other end of the resistor RB21.

[0039] In the embodiment, as Figure 9As shown, the power amplifier module 400 includes a power amplifier chip UA01, a resistor RA01, a resistor RA02, a resistor RA03, a resistor RA04, an inductor LA01, an inductor LA02, an inductor LA03, and an inductor LA04. The power amplifier chip UA01 is an ACM8628. The No. 2 pin of the power amplifier chip UA01 and one end of the resistor RA01 are connected to the other end of the magnetic bead FB02. The No. 3 pin of the power amplifier chip UA01 is connected to the other end of the resistor RA01. The No. 6 pin of the power amplifier chip UA01 is connected to the other end of the resistor RA51. The No. 7 pin of the power amplifier chip UA01 is connected to the other end of the resistor RA52. The No. 8 pin of the power amplifier chip UA01 is connected to the other end of the resistor RA50. The No. 10 pin of the power amplifier chip UA01 is connected to one end of the resistor RA02. The other end of the resistor RA02 is connected to the No. 24 pin of the Bluetooth chip UD01. The No. 11 pin of the power amplifier chip UA01 is connected to one end of the resistor RA03. The other end of the resistor RA03 is connected to the No. 22 pin of the Bluetooth chip UD01. The No. 12 pin of the power amplifier chip UA01 is connected to one end of the resistor RA04. The other end of the resistor RA04 is connected to the No. 13 pin of the Bluetooth chip UD01. The No. 15 pin of the power amplifier chip UA01, the No. 16 pin of the power amplifier chip UA01, the No. 27 pin of the power amplifier chip UA01, and the No. 28 pin of the power amplifier chip UA01 are connected to the output end of the boost switching regulator module 600. The No. 17 pin of the power amplifier chip UA01 is connected to one end of the inductor LA04. The other end of the inductor LA04 is connected to the No. 1 pin of the power amplifier speaker interface JA01. The No. 20 pin of the power amplifier chip UA01 is connected to one end of the inductor LA03. The other end of the inductor LA03 is connected to the No. 2 pin of the power amplifier speaker interface JA01. The No. 23 pin of the power amplifier chip UA01 is connected to one end of the inductor LA02. The other end of the inductor LA02 is connected to the No. 1 pin of the power amplifier speaker interface JA03. The No. 26 pin of the power amplifier chip UA01 is connected to one end of the inductor LA01. The other end of the inductor LA01 is connected to the No. 2 pin of the power amplifier speaker interface JA03.

[0040] In the present embodiment, as Figure 12As shown, the boost switching voltage stabilization module 600 comprises a boost switching voltage stabilization chip UA04, a resistor RA43, a transistor QB06, a resistor RA41, a resistor RA39, an inductor LB04, a diode DB05, a diode DB06, a resistor RA35, a resistor RA36, and a resistor RA14; the boost switching voltage stabilization chip UA04 is a CS5038E; one end of the resistor RA43 is connected with the pin 68 of the Bluetooth chip UD01, and the other end of the resistor RA43 is connected with the base of the transistor QB06; the emitter of the transistor QB06 is grounded; the pin 11 of the boost switching voltage stabilization chip UA04 is connected with the collector of the transistor QB06 and one end of the resistor RA39; the other end of the resistor RA39 is connected with the output end of the power module 500 and one end of the inductor LB04; the other end of the inductor LB04 is connected with the pin 13 of the boost switching voltage stabilization chip UA04, the pin 14 of the boost switching voltage stabilization chip UA04, the pin 15 of the boost switching voltage stabilization chip UA04, the pin 16 of the boost switching voltage stabilization chip UA04, the positive electrode of the diode DB06, and the positive electrode of the diode DB05; the pin 9 of the boost switching voltage stabilization chip UA04 is connected with the pin 15 of the power amplifier chip UA01, the pin 16 of the power amplifier chip UA01, the pin 27 of the power amplifier chip UA01, the pin 28 of the power amplifier chip UA01, the negative electrode of the diode DB05, the negative electrode of the diode DB06, and one end of the resistor RA35; the other end of the resistor RA35 is connected with one end of the resistor RA36; the pin 10 of the boost switching voltage stabilization chip UA04 is connected with the other end of the resistor RA36 and one end of the resistor RA14; the other end of the resistor RA14 is grounded.

[0041] In the embodiment, the power module 500 comprises an input unit and a charging control unit; as shown in Figure 10As shown, the input unit includes a charging interface USB 03, a magnetic bead FB 06, a protection diode ESD 6, a capacitor CB 01, a capacitor C 91, a resistor RB 02, a resistor RB 01, a magnetic bead FB 07 and a magnetic bead FB 05; the charging interface USB 03 is used for input power; one end of the resistor RB 01 is connected to the 4th pin of the charging interface USB 03; one end of the resistor RB 02 is connected to the 14th pin of the charging interface USB 03; the 7th pin of the charging interface USB 03, the 8th pin of the charging interface USB 03, the 9th pin of the charging interface USB 03, the 10th pin of the charging interface USB 03 and one end of the capacitor C 91 are all connected to one end of the magnetic bead FB 05; the 1st pin of the charging interface USB 03, the 16th pin of the charging interface USB 03, the other end of the magnetic bead FB 05, the other end of the capacitor C 91, one end of the capacitor CB 01 are all connected to one end of the magnetic bead FB 07; the other end of the resistor RB 01, the other end of the resistor RB 02 and the other end of the magnetic bead FB 07 are all connected to one end of the protection diode ESD 5; the 2nd pin of the charging interface USB 03, the 15th pin of the charging interface USB 03, the other end of the protection diode ESD 5 and the other end of the capacitor CB 01 are all connected to one end of the magnetic bead FB 06; the other end of the magnetic bead FB 06 is connected to the input end of the charging control unit; the charging control unit is connected with the Bluetooth module 200, and the output end of the charging control unit is connected with the input end of the switch module 800 and the input end of the synchronous step-down DC-DC conversion module 700.

[0042] In the embodiment, as shown in Figure 11The charging control unit includes a charging control chip UB01, a resistor RB19, a MOS tube QB03, a diode DB04, a diode DB03, a resistor RB16, a resistor RB17, a resistor RB35, a triode QB01, a battery BATT, a diode DB02, an inductor LB01, a MOS tube QB02, a resistor RB12, a resistor RB10, a resistor RB09, a resistor RB08, a resistor RB07, a resistor RB06, a resistor RB04 and a resistor RB03; the charging control chip UB01 is DT7135; one end of the resistor RB03 and one end of the resistor RB04 are connected with the other end of the magnetic bead FB06; the other end of the resistor RB03 is connected with one end of the resistor RB07, one end of the resistor RB08, one end of the resistor RB09 and one end of the inductor LB01; the other end of the resistor RB07 is connected with the No. 6 pin of the charging control chip UB01; the other end of the resistor RB08 is connected with the No. 2 pin of the charging control chip UB01 and the No. 8 pin of the Bluetooth chip UD01; the other end of the resistor RB09 is connected with the No. 3 pin of the charging control chip UB01 and the No. 7 pin of the Bluetooth chip UD01; the other end of the inductor LB01 is connected with the positive electrode of the diode DB02 and the source electrode of the MOS tube QB02; the gate electrode of the MOS tube QB02 is connected with one end of the resistor RB10 and the No. 4 pin of the charging control chip UB01; the drain electrode of the MOS tube QB02 and the other end of the resistor RB10 are grounded; the other end of the resistor RB04 is connected with the No. 1 pin of the charging control chip UB01, one end of the resistor RB05 and the NTC+ of the battery BATT; the other end of the resistor RB05 is connected with the No. 5 pin of the charging control chip UB01 and the NTC- of the battery BATT; the No. 7 pin of the charging control chip UB01 is connected with one end of the resistor RB12; the other end of the resistor RB12 is connected with the BATT+ of the battery BATT, the negative electrode of the diode DB02, the No. 1 pin of the MOS tube QB03, the No. 2 pin of the MOS tube QB03, the No. 3 pin of the MOS tube QB03 and one end of the resistor RB15; the No. 4 pin of the MOS tube QB03 and the other end of the resistor RB15 are connected with one end of the resistor RB16; the other end of the resistor RB16 is connected with the positive electrode of the diode DB03 and the collector electrode of the triode QB01; the negative electrode of the diode DB03, the negative electrode of the diode DB04 and the positive electrode of the diode DB04 are connected with the input end of the switch module 800; the emitter electrode of the triode QB01 is grounded; one end of the resistor RB17 and one end of the resistor RB35 are connected with the base electrode of the QB01; the other end of the resistor RB17 is connected with the No. 64 pin of the Bluetooth chip UD01; the other end of the resistor RB35 is connected with the No. 38 pin of the Bluetooth chip UD01 and the other end of the resistor RA09;One end of the resistor RB19 is connected with the No.5 pin of the MOS tube QB03, the No.6 pin of the MOS tube QB03, the No.7 pin of the MOS tube QB03, the No.8 pin of the MOS tube QB03, the No.2 pin of the synchronous step-down DC-DC conversion chip UB02, one end of the resistor RB21, the other end of the resistor RB30, the other end of the resistor RA39; the other end of the resistor RB19 is connected with the No.5 pin of the Bluetooth chip UD01.

[0043] In the embodiment, as shown in the figure, Figure 14 The switch module 800 includes the resistor RD20, the resistor RD22, the resistor RA67, the resistor RA70, the resistor RA71, the resistor RA72, the resistor RA73, the resistor RA2, the resistor RA3, the switch S1, the switch S2, the switch S3, the switch S4, the switch S5, the switch S6, the switch S7 and the switch S8; one end of the resistor RD20 and one end of the resistor RD22 are connected with the positive electrode of the diode DB04; the other end of the resistor R20 is connected with the No.29 pin of the Bluetooth chip UD01; the other end of the resistor R22 is connected with the No.30 pin of the Bluetooth chip UD01; one end of the switch S8 is connected with the negative electrode of the diode DB03 and the negative electrode of the diode DB04; one end of the resistor RA67 is connected with the No.39 pin of the Bluetooth chip UD01; one end of the resistor RA67 is connected with the No.43 pin of the Bluetooth chip UD01, one end of the resistor RA70, one end of the resistor RA71, one end of the resistor RA72, one end of the resistor RA73, one end of the resistor RA2 and one end of the resistor RA3; one end of the switch S5 is connected with the other end of the resistor RA70; one end of the switch S3 is connected with the other end of the resistor RA71; one end of the switch S4 is connected with the other end of the resistor RA72; one end of the switch S6 is connected with the other end of the resistor RA73; one end of the switch S7 is connected with the other end of the resistor RA74; one end of the switch S1 is connected with the other end of the resistor RA72; one end of the switch S2 is connected with the other end of the resistor RA3; the other end of the switch S1, the other end of the switch S2, the other end of the switch S3, the other end of the switch S4, the other end of the switch S5, the other end of the switch S6, the other end of the switch S7 and the other end of the switch S8 are grounded.

[0044] In the embodiment, the indication module 300 includes a first indication unit as shown in the figure, Figure 4 a second indication unit as shown in the figure, Figure 5 a third indication unit as shown in the figure, Figure 6 a fourth indication unit as shown in the figure, Figure 7 and a fifth indication unit as shown in the figure, Figure 8The fifth indication unit is shown;The input end of the first indication unit is connected with the drain of MOS tube QB08, the No.12 pin of Bluetooth chip UD01;The input end of the second indication unit is connected with the No.10 pin of Bluetooth chip UD01, the No.67 pin of Bluetooth chip UD01, the No.58 pin of Bluetooth chip UD01;The input end of the third indication unit is connected with the No.44 pin of Bluetooth chip UD01;The input end of the fourth indication unit is connected with the No.6 pin of Bluetooth chip UD01, the No.4 pin of Bluetooth chip UD01, the No.3 pin of Bluetooth chip UD01, the No.2 pin of Bluetooth chip UD01;The input end of the fifth indication unit is connected with the drain of MOS tube QB08, the other end of resistance RA53.

[0045] The working principle of the portable colorful light multifunctional Bluetooth speaker of the embodiment is as follows:

[0046] The audio input module 100 receives external audio signals through the audio input connector CN106, and the received audio signals are filtered by a filter circuit composed of magnetic beads FB14, magnetic beads FB15, resistors RC11, RC12, RC13, and capacitors CC12, CC13, CC14, and CC15, etc., to remove noise and interference in the audio signals and ensure the quality of the audio signals.

[0047] The Bluetooth module 200 receives audio signals from the audio input module 100, and encodes and modulates the audio signals through an internal signal processing circuit. The Bluetooth chip UD01 also pairs and connects with external devices (such as mobile phones, tablets, etc.) to ensure wireless transmission of audio signals. The encoded and modulated audio signals are sent to the power amplifier module 400 for amplification.

[0048] The power amplifier module 400 receives audio signals from the Bluetooth module 200 and amplifies the audio signals. The amplified audio signals are output to the speaker of the speaker through inductors LA01, LA02, LA03, LA04 and power amplifier speaker interfaces JA01, JA03, producing sound.

[0049] The power module 500 provides working power for the entire portable colorful light multifunctional Bluetooth speaker, and comprises an input unit and a charging control unit. The input unit receives external power through the charging interface USB03, and processes the power through the magnetic beads FB06, the protection diode ESD6, the capacitor CB01, the capacitor C91, the resistor RB02, the resistor RB01, the magnetic beads FB07 and the magnetic beads FB05, so as to ensure the stability and safety of the power supply. The charging control unit uses the charging control chip UB01 (DT7135) to manage the charging of the battery pack BATT, so as to ensure the charging efficiency and safety of the battery.

[0050] The boost switching voltage stabilizing module 600 and the synchronous step-down DC-DC conversion module 700 are responsible for stabilizing the output voltage of the power module 500 to meet the voltage requirements of different modules.

[0051] The indication module 300 displays the working state of the speaker, such as the Bluetooth connection state and the power state, through elements such as LED indicator lights.

[0052] The switch module 800 controls different functions of the speaker, such as turning on and off, adjusting the volume, controlling the light, etc., through multiple switches S1-S8.

[0053] On the one hand, the portable colorful light multifunctional Bluetooth speaker has the functions of playing audio through Bluetooth and colorful light effects, so as to realize the purpose of enriching the user's audio-visual experience. On the other hand, through the charging control unit and the voltage conversion module, the efficient management of the battery and the stable output of the voltage are realized, so as to prolong the use time of the portable colorful light multifunctional Bluetooth speaker and reduce the charging frequency of the portable colorful light multifunctional Bluetooth speaker. On the other hand, through the switch module 800 and the indication module 300, the purpose of facilitating the user to control the functions of the speaker and check the working state of the speaker is realized.

[0054] Although the present application has been described herein with reference to the various illustrative embodiments thereof, those skilled in the art will be able to design many other modifications and embodiments without departing from the principles of the present application. More specifically, variations and improvements will occur to others skilled in the art upon reading the present disclosure, drawings and claims. In addition to the variations and improvements to the components and / or layout of the subject combination layout, other uses will be apparent to those skilled in the art.

Claims

1. A portable multi-functional Bluetooth speaker with fancy light, characterized in that, It includes: An audio input module (100) for accessing an audio signal; A Bluetooth module (200) having an input end connected to an output end of the audio input module (100); An indication module (300) having an input end connected to an output end of the Bluetooth module (200); A power amplifier module (400) having an input end connected to an output end of the Bluetooth module (200); A power module (500) for inputting a power supply, the power module (500) being connected to the Bluetooth module (200), and an output end of the power module (500) being connected to an input end of an audio output module; A boost-type switching voltage stabilizing module (600) having an input end connected to an output end of the power module (500), and an output end of the boost-type switching voltage stabilizing module (600) being connected to an input end of the power amplifier module (400); A synchronous step-down DC-DC conversion module (700) having an input end connected to an output end of the power module (500), and an output end of the synchronous step-down DC-DC conversion module (700) being connected to an input end of the Bluetooth module (200), an input end of the power amplifier module (400), and an input end of the indication module (300); A switching module (800) having an input end connected to an output end of the power module (500), and an output end of the switching module (800) being connected to an input end of the Bluetooth module (200).

2. The portable colorful light multifunctional Bluetooth speaker of claim 1, wherein: The audio input module (100) includes an audio input connector CN106, a magnetic bead FB14, a magnetic bead FB15, a resistor RC11, a resistor RC13, a resistor RC12, a resistor RA09, a capacitor CC12, a capacitor CC13, a capacitor CC14, and a capacitor CC15; The audio input connector CN106 is used for accessing an audio signal; One end of the magnetic bead FB14 is connected to a No. 1 pin and a No. 2 pin of the audio input connector CN106, and the other end of the magnetic bead FB14 is connected to one end of the resistor RC13; The other end of the resistor RC13 is connected to one end of the capacitor CC12; One end of the magnetic bead FB15 is connected to a No. 3 pin and a No. 4 pin of the audio input connector CN106, and the other end of the magnetic bead FB15 is connected to one end of the resistor RC12; The other end of the resistor RC12 is connected to one end of the capacitor CC13; A No. 5 pin of the audio input connector CN106 is connected to one end of the capacitor CC14 and one end of the capacitor CC15; A No. 6 pin of the audio input connector CN106 is connected to one end of the resistor RC11; The other end of the resistor RC11 is connected to one end of the resistor RA09; The other end of the capacitor CC12, the other end of the capacitor CC13, the other end of the capacitor CC14, the other end of the capacitor CC15, and the other end of the resistor RC11 are connected with the input end of the Bluetooth module (200); The other end of the resistor RA09 is connected with the output end of the power module (500).

3. The portable multi-functional Bluetooth speaker with colorful light according to claim 2, characterized in that: The Bluetooth module (200) comprises a Bluetooth chip UD01, a band-pass filter U7, a resistor RD03, an antenna ANT_T12, a resistor RA50, a resistor RA51, a resistor RA52, a resistor RA53, a resistor RB30, a magnetic bead FB04, a linear voltage regulator UB03, a resistor RB04, a resistor RB25, and a magnetic bead FB03; The Bluetooth chip UD01 is ATS2835; The band-pass filter U7 is LFB152G45CB2D320; Pin 4 of the band-pass filter U7 is connected with pin 18 of the Bluetooth chip UD01; Pin 2 of the band-pass filter U7 is connected with one end of the resistor RD03; The other end of the resistor RD03 is connected with pin 1 of the antenna ANT_T12; Pin 16 of the Bluetooth chip UD01 is connected with one end of the resistor RA50; Pin 15 of the Bluetooth chip UD01 is connected with one end of the resistor RA51; Pin 14 of the Bluetooth chip UD01 is connected with one end of the resistor RA52; The other end of the resistor RA50, the other end of the resistor RA51, and the other end of the resistor RA52 are connected with the input end of the power amplifier module (400); Pin 11 of the Bluetooth chip UD01 is connected with one end of the resistor RA53; The other end of the resistor RA53 is connected with the input end of the indication module (300); Pin 35 of the Bluetooth chip UD01 is connected with one end of the magnetic bead FB03; The other end of the magnetic bead FB03 is connected with one end of the resistor RB24 and pin 2 of the linear voltage regulator UB03; The other end of the resistor RB24 and one end of the resistor RB25 are connected with pin 1 of the linear voltage regulator UB03; Pin 3 of the linear voltage regulator UB03 is connected with one end of the magnetic bead FB04; The other end of the resistor RB25 is grounded; The other end of the magnetic bead FB04 is connected with one end of the resistor RB30; The other end of the resistor RB30 is connected with the output end of the power module (500); Pin 50 of the Bluetooth chip UD01 is connected with the other end of the resistor RC11; Pin 46 of the Bluetooth chip UD01 is connected with the other end of the capacitor CC12; Pin 49 of the Bluetooth chip UD01 is connected with the other end of the capacitor CC13; Pin 48 of the Bluetooth chip UD01 is connected with the other end of the capacitor CC14; Pin 47 of the Bluetooth chip UD01 is connected with the other end of the capacitor CC15.

4. The portable multi-functional Bluetooth speaker with colorful light according to claim 3, characterized in that: The synchronous step-down DC-DC conversion module (700) comprises a synchronous step-down DC-DC conversion chip UB02, a resistor RB21, a capacitor CB20, an inductor LB02, a resistor RB22, a magnetic bead FB01, a linear voltage regulator UB04, a magnetic bead FB02, a MOS tube QB08, a resistor RB34, a resistor RB33, a triode QB07, a resistor RB32 and a resistor RB31; The synchronous step-down DC-DC conversion chip UB02 is FR9608; The No. 1 pin of the synchronous step-down DC-DC conversion chip UB02 is connected with one end of the capacitor CB20; The No. 2 pin of the synchronous step-down DC-DC conversion chip UB02 and one end of the resistor RB21 are both connected with the output end of the power supply module (500); The No. 3 pin of the synchronous step-down DC-DC conversion chip UB02 is connected with the other end of the capacitor CB20 and one end of the inductor LB02; The other end of the inductor LB02 is connected with one end of the magnetic bead FB01, one end of the resistor RB22, the source electrode of the MOS tube QB08 and one end of the resistor RB34; The other end of the magnetic bead FB01 is connected with the No. 2 pin of the linear voltage regulator UB04; The No. 3 pin of the linear voltage regulator UB04 is connected with one end of the magnetic bead FB02; The other end of the magnetic bead FB02 is connected with the input end of the power amplifier module (400); The drain electrode of the MOS tube QB08 is connected with the input end of the indication module (300); The gate electrode of the MOS tube QB08 is connected with the other end of the resistor RB34 and one end of the resistor RB33; The collector electrode of the triode QB07 is connected with the other end of the resistor RB33; The base electrode of the triode QB07 is connected with one end of the resistor RB32 and one end of the resistor RB31; The emitter electrode of the triode QB07 and the other end of the resistor RB32 are both grounded; The other end of the resistor RB31 is connected with the No. 62 pin of the Bluetooth chip UD01; The No. 5 pin of the synchronous step-down DC-DC conversion chip UB02 is connected with the other end of the resistor RB22; The No. 7 pin of the synchronous step-down DC-DC conversion chip UB02 is connected with the other end of the resistor RB21.

5. The portable colorful light multifunctional Bluetooth sound box according to claim 4, wherein: The power amplifier module (400) comprises a power amplifier chip UA01, a resistor RA01, a resistor RA02, a resistor RA03, a resistor RA04, an inductor LA01, an inductor LA02, an inductor LA03 and an inductor LA04; The power amplifier chip UA01 is ACM8628; The No. 2 pin of the power amplifier chip UA01 and one end of the resistor RA01 are both connected with the other end of the magnetic bead FB02; The No. 3 pin of the power amplifier chip UA01 is connected with the other end of the resistor RA01; The No. 6 pin of the power amplifier chip UA01 is connected with the other end of the resistor RA51; The No. 7 pin of the power amplifier chip UA01 is connected with the other end of the resistor RA52; The No. 8 pin of the power amplifier chip UA01 is connected with the other end of the resistor RA50; The pin 10 of the power amplifier chip UA01 is connected with one end of the resistor RA02; The other end of the resistor RA02 is connected with the pin 24 of the Bluetooth chip UD01; The pin 11 of the power amplifier chip UA01 is connected with one end of the resistor RA03; The other end of the resistor RA03 is connected with the pin 22 of the Bluetooth chip UD01; The pin 12 of the power amplifier chip UA01 is connected with one end of the resistor RA04; The other end of the resistor RA04 is connected with the pin 13 of the Bluetooth chip UD01; The pin 15 of the power amplifier chip UA01, the pin 16 of the power amplifier chip UA01, the pin 27 of the power amplifier chip UA01, the pin 28 of the power amplifier chip UA01 are all connected with the output end of the boost switching regulator module (600); The pin 17 of the power amplifier chip UA01 is connected with one end of the inductor LA04; The other end of the inductor LA04 is used for connecting the pin 1 of the power amplifier speaker interface JA01; The pin 20 of the power amplifier chip UA01 is connected with one end of the inductor LA03; The other end of the inductor LA03 is used for connecting the pin 2 of the power amplifier speaker interface JA01; The pin 23 of the power amplifier chip UA01 is connected with one end of the inductor LA02; The other end of the inductor LA02 is used for connecting the pin 1 of the power amplifier speaker interface JA03; The pin 26 of the power amplifier chip UA01 is connected with one end of the inductor LA01; The other end of the inductor LA01 is used for connecting the pin 2 of the power amplifier speaker interface JA03.

6. The portable colorful light multi-functional Bluetooth sound box according to claim 5, wherein: The boost switching regulator module (600) comprises a boost switching regulator chip UA04, a resistor RA43, a triode QB06, a resistor RA41, a resistor RA39, an inductor LB04, a diode DB05, a diode DB06, a resistor RA35, a resistor RA36, and a resistor RA14; The boost switching regulator chip UA04 is CS5038E; One end of the resistor RA43 is connected with the pin 68 of the Bluetooth chip UD01, and the other end of the resistor RA43 is connected with the base of the triode QB06; The emitter of the triode QB06 is grounded; The pin 11 of the boost switching regulator chip UA04 is connected with the collector of the triode QB06 and one end of the resistor RA39; The other end of the resistor RA39 is connected with the output end of the power module (500) and one end of the inductor LB04; The other end of the inductor LB04 is connected with the pin 13 of the boost switching regulator chip UA04, the pin 14 of the boost switching regulator chip UA04, the pin 15 of the boost switching regulator chip UA04, the pin 16 of the boost switching regulator chip UA04, the positive electrode of the diode DB06, and the positive electrode of the diode DB05. The No. 9 pin of the boost type switching regulator chip UA04 is connected with the No. 15 pin of the power amplifier chip UA01, the No. 16 pin of the power amplifier chip UA01, the No. 27 pin of the power amplifier chip UA01, the No. 28 pin of the power amplifier chip UA01, the negative electrode of the diode DB05, the negative electrode of the diode DB06 and one end of the resistor RA35; The other end of the resistor RA35 is connected with one end of the resistor RA36; The No. 10 pin of the boost type switching regulator chip UA04 is connected with the other end of the resistor RA36 and one end of the resistor RA14; The other end of the resistor RA14 is grounded.

7. The portable colorful light multifunctional Bluetooth speaker of claim 6, wherein: The power supply module (500) comprises an input unit and a charging control unit; The input unit comprises a charging interface USB03, a magnetic bead FB06, a protection diode ESD6, a capacitor CB01, a capacitor C91, a resistor RB02, a resistor RB01, a magnetic bead FB07 and a magnetic bead FB05; The charging interface USB03 is used for input power supply; The No. 4 pin of the charging interface USB03 is connected with one end of the resistor RB01; The No. 14 pin of the charging interface USB03 is connected with one end of the resistor RB02; The No. 7 pin of the charging interface USB03, the No. 8 pin of the charging interface USB03, the No. 9 pin of the charging interface USB03, the No. 10 pin of the charging interface USB03 and one end of the capacitor C91 are connected with one end of the magnetic bead FB05; The No. 1 pin of the charging interface USB03, the No. 16 pin of the charging interface USB03, the other end of the magnetic bead FB05, the other end of the capacitor C91 and one end of the capacitor CB01 are connected with one end of the magnetic bead FB07; The other end of the resistor RB01, the other end of the resistor RB02 and the other end of the magnetic bead FB07 are connected with one end of the protection diode ESD5; The No. 2 pin of the charging interface USB03, the No. 15 pin of the charging interface USB03, the other end of the protection diode ESD5 and the other end of the capacitor CB01 are connected with one end of the magnetic bead FB06; The other end of the magnetic bead FB06 is connected with the input end of the charging control unit; The charging control unit is connected with the Bluetooth module (200), and the output end of the charging control unit is connected with the input end of the switch module (800) and the input end of the synchronous step-down DC-DC conversion module (700).

8. The portable colorful light multifunctional Bluetooth speaker of claim 7, wherein The charging control unit comprises a charging control chip UB01, a resistor RB19, a MOS tube QB03, a diode DB04, a diode DB03, a resistor RB16, a resistor RB17, a resistor RB35, a triode QB01, a battery group BATT, a diode DB02, an inductor LB01, a MOS tube QB02, a resistor RB12, a resistor RB10, a resistor RB09, a resistor RB08, a resistor RB07, a resistor RB06, a resistor RB04 and a resistor RB03; The charging control chip UB01 is DT7135; One end of the resistor RB03 and one end of the resistor RB04 are connected with the other end of the magnetic bead FB06; The other end of the resistor RB03 is connected with one end of the resistor RB07, one end of the resistor RB08, one end of the resistor RB09 and one end of the inductor LB01; The other end of the resistor RB07 is connected with the pin 6 of the charging control chip UB01; The other end of the resistor RB08 is connected with the pin 2 of the charging control chip UB01 and the pin 8 of the Bluetooth chip UD01; The other end of the resistor RB09 is connected with the pin 3 of the charging control chip UB01 and the pin 7 of the Bluetooth chip UD01; The other end of the inductor LB01 is connected with the positive electrode of the diode DB02 and the source electrode of the MOS tube QB02; The gate electrode of the MOS tube QB02 is connected with one end of the resistor RB10 and the pin 4 of the charging control chip UB01; The drain electrode of the MOS tube QB02 and the other end of the resistor RB10 are grounded; The other end of the resistor RB04 is connected with the pin 1 of the charging control chip UB01, one end of the resistor RB05 and the NTC+ of the battery group BATT; The other end of the resistor RB05 is connected with the pin 5 of the charging control chip UB01 and the NTC- of the battery group BATT; One end of the resistor RB12 is connected with the pin 7 of the charging control chip UB01; The other end of the resistor RB12 is connected with the BATT+ of the battery group BATT, the negative electrode of the diode DB02, the pin 1 of the MOS tube QB03, the pin 2 of the MOS tube QB03, the pin 3 of the MOS tube QB03 and one end of the resistor RB15; The pin 4 of the MOS tube QB03 and the other end of the resistor RB15 are connected with one end of the resistor RB16; The other end of the resistor RB16 is connected with the positive electrode of the diode DB03 and the collector electrode of the triode QB01; The negative electrode of the diode DB03, the negative electrode of the diode DB04 and the positive electrode of the diode DB04 are connected with the input end of the switch module (800); The emitter electrode of the triode QB01 is grounded; One end of the resistor RB17 and one end of the resistor RB35 are connected with the base electrode of the QB01; The other end of the resistor RB17 is connected with the pin 64 of the Bluetooth chip UD01; The other end of the resistor RB35 is connected with the pin 38 of the Bluetooth chip UD01 and the other end of the resistor RA09; One end of the resistor RB19 is connected with the pin 5 of the Bluetooth chip UD01.

9. The portable colorful light multifunctional Bluetooth speaker of claim 8, wherein: ​ The switch module (800) comprises resistance RD20, resistance RD22, resistance RA67, resistance RA70, resistance RA71, resistance RA72, resistance RA73, resistance RA2, resistance RA3, switch S1, switch S2, switch S3, switch S4, switch S5, switch S6, switch S7 and switch S8; One end of the resistance RD20 and one end of the resistance RD22 are connected with the anode of the diode DB04; The other end of the resistance R20 is connected with the 29th pin of the Bluetooth chip UD01; The other end of the resistance R22 is connected with the 30th pin of the Bluetooth chip UD01; One end of the switch S8 is connected with the cathode of the diode DB03 and the cathode of the diode DB04; One end of the resistance RA67 is connected with the 39th pin of the Bluetooth chip UD01; One end of the resistance RA67 is connected with the 43rd pin of the Bluetooth chip UD01, one end of the resistance RA70, one end of the resistance RA71, one end of the resistance RA72, one end of the resistance RA73, one end of the resistance RA2 and one end of the resistance RA3; One end of the switch S5 is connected with the other end of the resistance RA70; One end of the switch S3 is connected with the other end of the resistance RA71; One end of the switch S4 is connected with the other end of the resistance RA72; One end of the switch S6 is connected with the other end of the resistance RA73; One end of the switch S7 is connected with the other end of the resistance RA74; One end of the switch S1 is connected with the other end of the resistance RA72; One end of the switch S2 is connected with the other end of the resistance RA3; The other end of the switch S1, the other end of the switch S2, the other end of the switch S3, the other end of the switch S4, the other end of the switch S5, the other end of the switch S6, the other end of the switch S7 and the other end of the switch S8 are grounded.

10. The portable colorful light multi-functional Bluetooth speaker of claim 9, wherein: The indication module (300) comprises a first indication unit, a second indication unit, a third indication unit, a fourth indication unit and a fifth indication unit; The input end of the first indication unit is connected with the drain of the MOS tube QB08 and the 12th pin of the Bluetooth chip UD01; The input end of the second indication unit is connected with the 10th pin, the 67th pin and the 58th pin of the Bluetooth chip UD01; The input end of the third indication unit is connected with the 44th pin of the Bluetooth chip UD01; The input end of the fourth indication unit is connected with the 6th pin, the 4th pin, the 3rd pin and the 2nd pin of the Bluetooth chip UD01; The input end of the fifth indication unit is connected with the drain of the MOS tube QB08 and the other end of the resistance RA53.

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