CN215259579U

CN215259579U - Champignon humidifier music laser starry sky lamp

Info

Publication number: CN215259579U
Application number: CN202120325689.0U
Authority: CN
Inventors: 熊建平
Original assignee: Shenzhen Aurora Photoelectric & Technology Co ltd
Current assignee: Shenzhen Aurora Photoelectric & Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-12-21
Anticipated expiration: 2031-02-05

Abstract

The application relates to the technical field of lamps, in particular to a music laser starry sky lamp with an aroma humidifier. Including atomizing basin, mesochite, drain pan, atomizing basin and drain pan threaded connection, install the atomizing piece on the atomizing basin, the laser module is installed to the below, atomizing basin top lock has the grid on the atomizing groove, installs the lens fixed bolster in the middle of the grid on the atomizing groove, installs hemisphere diamond lens on the lens fixed bolster, installs the LED lamp plate in the hemisphere diamond lens, LED lamp plate top is fixed with wave lens, gear motor is installed to LED lamp plate below, installs the main control circuit board in the mesochite. The utility model discloses can not only create starry sky effect, can also create the wave effect, can spray, carry out the humidification to the air, also can carry out the champignon, can discern the environment sound on original microphone can only carry out the basis of bluetooth conversation, can adjust the scintillation of light according to environmental factor, have special novel effect, applicable infrared remote control controls.

Description

Champignon humidifier music laser starry sky lamp

Technical Field

The application relates to the technical field of lamps, in particular to a music laser starry sky lamp with an aroma humidifier.

Background

The starry sky lamp is a concept lamp, and light emitted by the starry sky lamp is emitted to walls and ceilings to become a night sky full of stars, so that a sleeping room can become a very comfortable and quiet starry night sky, a wonderful and quiet environment can be created, and a very romantic environment can be created for people.

The existing starry sky lamp has only simple lamplight display effect, has no other functions, and cannot keep up with the change of the times.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that current aroma humidifier music laser starry sky lamp can only carry out simple light demonstration, this application provides an aroma humidifier music laser starry sky lamp, can not only spray, can also discern the environment sound on the basis that original microphone can only carry out the bluetooth conversation.

The application provides a pair of champignon humidifier music laser starry sky lamp adopts following technical scheme: the utility model provides a champignon humidifier music laser starry sky lamp, includes atomizing basin, mesochite, drain pan, the mesochite install in the drain pan, the atomizing basin with drain pan threaded connection, install the atomizing piece on the atomizing basin, the laser module is installed to atomizing basin below, atomizing basin top lock has the atomizing groove to go up the net, install lens fixed bolster in the middle of the net on the atomizing groove, install hemisphere diamond lens on the lens fixed bolster, install the LED lamp plate in the hemisphere diamond lens, LED lamp plate top is fixed with wave lens, gear motor is installed to LED lamp plate below, main control circuit board is installed to the mesochite.

Preferably, a main panel is installed on the bottom shell, a function key is installed on the main panel, and speakers are installed on two sides of the bottom shell.

Preferably, the main control circuit board comprises a main control chip U2, a USB interface circuit, an ultrasonic atomization sheet circuit, an infrared circuit and a microphone circuit.

Preferably, a PB2 pin of the main control chip U2 is connected to a base of a triode Q6 through a resistor R26, a collector of the triode Q6 is grounded, an emitter of the triode Q6 is connected to a laser LED lamp through a resistor R32, and the laser LED lamp is directly connected to a 5V power supply; the PB pin of the main control chip U is connected with the microphone circuit, the VSS pin of the main control chip U is grounded, the PA pin and the PA pin of the main control chip U are grounded after being respectively connected with the switch S, the PA pin of the main control chip U is connected with the base electrode of the triode Q through the resistor R, the collector electrode of the triode Q is grounded, the emitter electrode of the triode Q is connected with the LED lamp of the W through the resistor R, the LED lamp of the W is connected with the 5V power supply, the PB pin of the main control chip U is connected with the base electrode of the triode Q through the resistor R, the collector electrode of the triode Q is grounded, the emitter electrode of the triode Q is connected with the LED lamp of the green G through the resistor R, the PB pin of the main control chip U is connected with the base electrode of the triode Q through the resistor R, and the collector electrode of the triode Q is grounded, an emitting electrode of the triode Q4 is connected with the LED lamp of red R through a resistor R30, and the LED lamp of blue B, the LED lamp of green G and the LED lamp of red R are connected in parallel and then connected with a 5V power supply; a PB4 pin of the main control chip U2 is connected with a base electrode of a triode Q5 through a resistor R25, a collector electrode of the triode Q5 is grounded, and an emitter electrode of a triode Q5 is connected with a motor through a resistor R31 and then connected with a 5V power supply; PB3 of the main control chip U2 is connected with infrared IR; the VDD pin of the main control chip U2 is connected with a 5V power supply.

Preferably, the USB interface circuit includes a USB controller, the 1 st pin of the USB controller is grounded after being connected with parallel capacitors C17 and C22, the capacitor C17 is connected with a 5V power supply through a resistor R15, the 2 nd pin of the USB controller is connected with DN, the 3 rd pin of the USB controller is connected with DP, and the 4 th pin and the 5 th pin of the USB controller are connected with ground after being connected in series.

Preferably, the ultrasonic atomization chip circuit comprises a chip U3, the 1 st pin of the chip U3 is connected with a large capacitor C3 and a small capacitor C4 which are connected in parallel and then grounded, and the large capacitor C3 and the small capacitor C4 which are connected in parallel are connected with a 5V power supply; the 2 nd pin of the chip U3 is grounded, the 3 rd pin of the chip U3 is connected with a first LED lamp through a resistor R5, the first LED lamp is connected with the 2 nd coil of the transformer T1 after being connected with the inductor L1, and the 7 th pin of the chip U3 is connected with KEY; the 6 th pin of the chip U3 is connected with a resistor R1 and a resistor R1 in two ways, one way is connected with a resistor R3 and then grounded, the other way is connected with the grid electrode of a field effect tube N-MOS, the source electrode of the field effect tube N-MOS is grounded, the drain electrode of the field effect tube N-MOS is connected with two ways, one way is grounded through a capacitor C5, the other way is connected with the 3 rd coil of a transformer T1, a triode Q1 is connected between the drain electrode and the source electrode of the field effect tube N-MOS, the 8 th pin of the chip U3 is connected with the resistor R2 and a resistor R2 in two ways, one way is connected with the resistor R4 and then grounded, the other way is connected with the grid electrode of the field effect tube N-MOS, the source electrode of the field effect tube N-MOS is grounded, the drain electrode of the field effect tube N-MOS is connected with two ways, one way is connected with a capacitor C6 and the other way is connected with the 1 st coil of the transformer T1, a triode Q1 is connected between the drain electrode and the source electrode of the 4 th coil of the transformer T1 is connected with a P1 through an inductor L2, the 5 th coil of the transformer T1 is connected with P2, and the atomizing plate has two pins, wherein one pin is connected with P1, and the other pin is connected with P2.

Preferably, the infrared circuit comprises an infrared chip, the 1 st pin of the infrared chip is connected with the IR pin of U2, a capacitor C15 is connected between the 2 nd pin and the 3 rd pin in series and then grounded, and the other end of the capacitor C15 is connected with a 3.3V power supply through a channel resistor R13.

Preferably, one path of the microphone circuit is connected with the NC through a capacitor C10, the other path of the microphone circuit is connected with the anode of the MIC, and the cathode of the MIC is connected with the NC.

Preferably, the bluetooth music master control circuit comprises a bluetooth music master control chip U1, the 1 st pin of the bluetooth music master control chip U1 is connected with an LED lamp, the 2 nd pin and the 3 rd pin of the Bluetooth music master control chip U1 are respectively connected with the capacitor C31 and the capacitor C32 and then are connected with the ground in series, the 5 th pin of the Bluetooth music master control chip U1 is divided into two paths through an inductor L2, one path is grounded through a capacitor C30, the other path is connected with an FM antenna, the 6 th pin of the Bluetooth music master control chip U1 is divided into two paths, one path is connected with the 2 nd pin of the Bluetooth antenna through a capacitor C11, the other path is divided into two paths through an inductor L1, one path is grounded, the other path is connected with the 1 st pin of the Bluetooth antenna, the 7 th foot and the 8 th foot of bluetooth music master control chip U1 are established ties crystal oscillator Y1 between, the 15 th foot of bluetooth music master control chip U1 through electric capacity C4 with ground connection after the 14 th foot of bluetooth music master control chip U1 connects in parallel.

To sum up, the application comprises the following beneficial technical effects: the utility model discloses can not only create the starry sky effect, can also create the wave effect, more very person, can spray, carry out the humidification to the air, also can carry out the champignon, can discern the environment sound on original microphone can only carry out the basis of bluetooth conversation, can adjust the scintillation of light according to environmental factor, have special novel effect, applicable infrared remote control controls.

Drawings

Fig. 1 is an explosion diagram of a music laser starry sky lamp of the aromatherapy humidifier of the present application.

Fig. 2 is a schematic structural diagram of a music laser starry sky lamp of the aromatherapy humidifier of the present application.

Fig. 3 is a circuit diagram of a main control chip of the music laser starry sky lamp of the aroma humidifier of the application.

Fig. 4 is a circuit diagram of a USB interface of the music laser starry sky lamp of the aroma humidifier of the present application.

Fig. 5 is a circuit diagram of an ultrasonic atomization sheet of the music laser starry sky lamp of the aromatherapy humidifier.

Fig. 6 is an infrared circuit diagram of the music laser starry sky lamp of the aroma humidifier of the application.

Fig. 7 is a circuit diagram of a microphone of the music laser starry sky lamp of the aroma humidifier of the application.

Fig. 8 is a bluetooth music master control circuit diagram of this application champignon humidifier music laser starry sky lamp.

Description of reference numerals: 1. a hemispherical diamond lens; 2. a grid is arranged on the atomization groove; 3. an atomization water tank; 4. an atomizing sheet; 5. a laser module; 6. a lens fixing bracket; 7. a wave-shaped lens; 8. an LED lamp panel; 9. a reduction motor; 10. a middle shell; 11. a bottom case; 12. a main control circuit board; 13. a speaker; 14. function keys; 15. a main panel.

Detailed Description

The present application is described in further detail below with reference to fig. 1 to 8.

The embodiment of the application discloses champignon humidifier music laser starry sky lamp. Referring to fig. 1-2, champignon humidifier music laser starry sky lamp includes atomizing basin 3, mesochite 10, drain pan 11, mesochite 10 is installed in drain pan 11,

atomizing basin

3 and 11 threaded connection of drain pan, install atomizing piece 4 on the atomizing basin 3, laser module 5 is installed to atomizing basin 3 below, 3 top locks of atomizing basin have grid 2 on the atomizing basin, install lens fixed bolster 6 in the middle of grid 2 on the atomizing basin, install hemisphere diamond lens 1 on the lens fixed bolster 6, install LED lamp plate 8 in hemisphere diamond lens 1, LED lamp plate 8 top is fixed with wave lens 7, gear motor 9 is installed to LED lamp plate 8 below, install main control circuit board 12 in mesochite 10.

Referring to fig. 1, a main panel 15 is installed on a bottom case 11, function keys 14 are installed on the main panel 15, and speakers 13 are installed on both sides of the bottom case 11.

The main control circuit board 12 comprises a main control chip U2, a USB interface circuit, an ultrasonic atomization sheet 4 circuit, an infrared circuit and a microphone circuit.

Referring to fig. 3, a PB2 pin of the main control chip U2 is connected to a base of a triode Q6 through a resistor R26, a collector of the triode Q6 is grounded, an emitter of the triode Q6 is connected to a laser LED lamp through a resistor R32, and the laser LED lamp is directly connected to a 5V power supply; the PB pin of the main control chip U is connected with the microphone circuit, the VSS pin of the main control chip U is grounded, the PA pin and the PA pin of the main control chip U are grounded after being respectively connected with the switch S, the PA pin of the main control chip U is connected with the base electrode of the triode Q through the resistor R, the collector electrode of the triode Q is grounded, the emitter electrode of the triode Q is connected with the LED lamp of the W through the resistor R, the LED lamp of the W is connected with the 5V power supply, the PB pin of the main control chip U is connected with the base electrode of the triode Q through the resistor R, the collector electrode of the triode Q is grounded, the emitter electrode of the triode Q is connected with the LED lamp of the green G through the resistor R, the PB pin of the main control chip U is connected with the base electrode of the triode Q through the resistor R, and the collector electrode of the triode Q is grounded, an emitting electrode of the triode Q4 is connected with the LED lamp of red R through a resistor R30, and the LED lamp of blue B, the LED lamp of green G and the LED lamp of red R are connected in parallel and then connected with a 5V power supply; a PB4 pin of the main control chip U2 is connected with a base electrode of a triode Q5 through a resistor R25, a collector electrode of the triode Q5 is grounded, and an emitter electrode of a triode Q5 is connected with a motor through a resistor R31 and then connected with a 5V power supply; PB3 of the main control chip U2 is connected with infrared IR; the VDD pin of the main control chip U2 is connected with a 5V power supply.

Referring to fig. 4, the USB interface circuit includes a USB controller, a pin 1 of the USB controller is grounded after being connected with parallel capacitors C17 and C22, a capacitor C17 is connected with a 5V power supply through a resistor R15, a pin 2 of the USB controller is connected with DN, a pin 3 of the USB controller is connected with DP, and a pin 4 and a pin 5 of the USB controller are grounded after being connected with each other in series.

Referring to fig. 5, the ultrasonic atomization chip circuit comprises a chip U3, a pin 1 of the chip U3 is connected with a large capacitor C3 and a small capacitor C4 which are connected in parallel and then grounded, and the large capacitor C3 and the small capacitor C4 which are connected in parallel are connected with a 5V power supply; the 2 nd pin of the chip U3 is grounded, the 3 rd pin of the chip U3 is connected with a first LED lamp through a resistor R5, the first LED lamp is connected with the 2 nd coil of the transformer T1 after being connected with the inductor L1, and the 7 th pin of the chip U3 is connected with KEY; the 6 th pin of the chip U3 is connected with a resistor R1 and a resistor R1 in two ways, one way is connected with a resistor R3 and then grounded, the other way is connected with the grid electrode of a field effect tube N-MOS, the source electrode of the field effect tube N-MOS is grounded, the drain electrode of the field effect tube N-MOS is connected with two ways, one way is grounded through a capacitor C5, the other way is connected with the 3 rd coil of a transformer T1, a triode Q1 is connected between the drain electrode and the source electrode of the field effect tube N-MOS, the 8 th pin of the chip U3 is connected with the resistor R2 and a resistor R2 in two ways, one way is connected with the resistor R4 and then grounded, the other way is connected with the grid electrode of the field effect tube N-MOS, the source electrode of the field effect tube N-MOS is grounded, the drain electrode of the field effect tube N-MOS is connected with two ways, one way is connected with a capacitor C6 and the other way is connected with the 1 st coil of the transformer T1, a triode Q1 is connected between the drain electrode and the source electrode of the 4 th coil of the transformer T1 is connected with a P1 through an inductor L2, the 5 th coil of the transformer T1 is connected with P2, and the atomizing plate has two pins, wherein one pin is connected with P1, and the other pin is connected with P2. Two atomization fins are used at symmetrical positions in the atomization water tank.

Referring to fig. 6, the infrared circuit includes an infrared chip, pin 1 of the infrared chip is connected to the IR pin of U2, a capacitor C15 is connected in series between pin 2 and pin 3 and then grounded, and a resistor R13 connected to the other end of the capacitor C15 is connected to a 3.3V power supply.

Referring to fig. 7, one path of the microphone circuit is connected to NC through a capacitor C10, the other path is connected to the positive electrode of MIC, and the negative electrode of MIC is connected to NC.

Referring to fig. 8, the bluetooth music master control circuit includes a bluetooth music master control chip U1, the 1 st pin of the bluetooth music master control chip U1 is connected with an LED lamp, the 2 nd pin and the 3 rd pin of the bluetooth music master control chip U1 are connected with a capacitor C31 and a capacitor C32 respectively and then are grounded in series, the 5 th pin of the bluetooth music master control chip U1 is divided into two paths through an inductor L2, one path is grounded through a capacitor C30, the other path is connected with an FM antenna, the 6 th pin of the bluetooth music master control chip U1 is divided into two paths, one path is connected with the 2 nd pin of the bluetooth antenna through a capacitor C11, the other path is divided into two paths through an inductor L1 and is grounded, the other path is connected with the 1 st pin of the bluetooth antenna, a crystal oscillator Y1 is connected between the 7 th pin and the 8 th pin of the bluetooth music master control chip U1 in series, the 15 th pin of the bluetooth music master control chip U1 is connected with the 14 th pin of the bluetooth music master control chip U1 in parallel through a capacitor C4 and then is grounded.

The music laser starry sky lamp of the aromatherapy humidifier is connected with a 5V2A power line, and a switch is turned on. When the device works, when the Bluetooth connection or the USB connection is used for playing music and the Bluetooth connection, the device can also be used for intervening in a mobile phone call audio, and can also recognize environmental sounds and intelligently change the light color through the function switching microphone so as to realize hands-free call through the microphone on the music laser starry sky lamp of the aromatherapy humidifier; the speed reducing motor can drive the wavy lens to slowly rotate; the light with the LED color lamp is projected to indoor ceiling through wave lens and hemisphere diamond lens on, and LED laser module will throw out green sky star, through adding water to the atomizing basin, atomizing piece circular telegram work releases a large amount of water smoke, and the LED light setoff is more beautiful when humidifying the air, and this series of function of introducing in the front just can be controlled through panel button or infrared remote controller.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a champignon humidifier music laser starry sky lamp which characterized in that: comprises an atomizing water tank (3), a middle shell (10) and a bottom shell (11), wherein the middle shell (10) is arranged in the bottom shell (11), the atomization water tank (3) is in threaded connection with the bottom shell (11), the atomization water tank (3) is provided with an atomization sheet (4), a laser module (5) is arranged below the atomization water tank (3), an atomization tank upper grid (2) is buckled above the atomization water tank (3), a lens fixing bracket (6) is arranged in the middle of the grid (2) on the atomization groove, a hemispherical diamond lens (1) is arranged on the lens fixing support (6), an LED lamp panel (8) is arranged in the hemispherical diamond lens (1), a wave-shaped lens (7) is fixed above the LED lamp panel (8), gear motor (9) are installed to LED lamp plate (8) below, install main control circuit board (12) in mesochite (10).

2. The fragrance humidifier music laser starry sky lamp according to claim 1, characterized in that: install main panel (15) on drain pan (11), install function button (14) on main panel (15), speaker (13) are installed to drain pan (11) both sides.

3. The fragrance humidifier music laser starry sky lamp according to claim 1, characterized in that: the main control circuit board (12) comprises a main control chip U2, a USB interface circuit, an ultrasonic atomization sheet (4) circuit, a Bluetooth music main control circuit, an infrared circuit and a microphone circuit.

4. The fragrance humidifier music laser starry sky lamp according to claim 3, characterized in that: a PB2 pin of the main control chip U2 is connected with a base electrode of a triode Q6 through a resistor R26, a collector electrode of the triode Q6 is grounded, an emitting electrode of the triode Q6 is connected with a laser LED lamp through a resistor R32, and the laser LED lamp is directly connected with a 5V power supply; the PB pin of the main control chip U is connected with the microphone circuit, the VSS pin of the main control chip U is grounded, the PA pin and the PA pin of the main control chip U are grounded after being respectively connected with the switch S, the PA pin of the main control chip U is connected with the base electrode of the triode Q through the resistor R, the collector electrode of the triode Q is grounded, the emitter electrode of the triode Q is connected with the LED lamp of the W through the resistor R, the LED lamp of the W is connected with the 5V power supply, the PB pin of the main control chip U is connected with the base electrode of the triode Q through the resistor R, the collector electrode of the triode Q is grounded, the emitter electrode of the triode Q is connected with the LED lamp of the green G through the resistor R, the PB pin of the main control chip U is connected with the base electrode of the triode Q through the resistor R, and the collector electrode of the triode Q is grounded, an emitting electrode of the triode Q4 is connected with the LED lamp of red R through a resistor R30, and the LED lamp of blue B, the LED lamp of green G and the LED lamp of red R are connected in parallel and then connected with a 5V power supply; a PB4 pin of the main control chip U2 is connected with a base electrode of a triode Q5 through a resistor R25, a collector electrode of the triode Q5 is grounded, and an emitter electrode of a triode Q5 is connected with a motor through a resistor R31 and then connected with a 5V power supply; PB3 of the main control chip U2 is connected with infrared IR; the VDD pin of the main control chip U2 is connected with a 5V power supply.

5. The fragrance humidifier music laser starry sky lamp according to claim 3, characterized in that: the USB interface circuit comprises a USB controller, wherein a1 st pin of the USB controller is connected with capacitors C17 and C22 which are connected in parallel and then grounded, a capacitor C17 is connected with a 5V power supply through a resistor R15, a2 nd pin of the USB controller is connected with DN, a3 rd pin of the USB controller is connected with DP, and a 4 th pin and a 5 th pin of the USB controller are connected in series and then grounded.

6. The fragrance humidifier music laser starry sky lamp according to claim 3, characterized in that: the ultrasonic atomization chip circuit comprises a chip U3, a pin 1 of the chip U3 is connected with a large capacitor C3 and a small capacitor C4 which are connected in parallel and then grounded, and the large capacitor C3 and the small capacitor C4 which are connected in parallel are connected with a 5V power supply; the 2 nd pin of the chip U3 is grounded, the 3 rd pin of the chip U3 is connected with a first LED lamp through a resistor R5, the first LED lamp is connected with the 2 nd coil of the transformer T1 after being connected with the inductor L1, and the 7 th pin of the chip U3 is connected with KEY; the 6 th pin of the chip U3 is connected with a resistor R1 and a resistor R1 in two ways, one way is connected with a resistor R3 and then grounded, the other way is connected with the grid electrode of a field effect tube N-MOS, the source electrode of the field effect tube N-MOS is grounded, the drain electrode of the field effect tube N-MOS is connected with two ways, one way is grounded through a capacitor C5, the other way is connected with the 3 rd coil of a transformer T1, a triode Q1 is connected between the drain electrode and the source electrode of the field effect tube N-MOS, the 8 th pin of the chip U3 is connected with the resistor R2 and a resistor R2 in two ways, one way is connected with the resistor R4 and then grounded, the other way is connected with the grid electrode of the field effect tube N-MOS, the source electrode of the field effect tube N-MOS is grounded, the drain electrode of the field effect tube N-MOS is connected with two ways, one way is connected with a capacitor C6 and the other way is connected with the 1 st coil of the transformer T1, a triode Q1 is connected between the drain electrode and the source electrode of the 4 th coil of the transformer T1 is connected with a P1 through an inductor L2, the 5 th coil of the transformer T1 is connected with P2, and the atomizing plate has two pins, wherein one pin is connected with P1, and the other pin is connected with P2.

7. The fragrance humidifier music laser starry sky lamp according to claim 3, characterized in that: the infrared circuit comprises an infrared chip, wherein a1 st pin of the infrared chip is connected with an IR pin of U2, a2 nd pin and a3 rd pin of the infrared chip are grounded after being connected with a capacitor C15 in series, and a channel resistor R13 at the other end of the capacitor C15 is connected with a 3.3V power supply.

8. The fragrance humidifier music laser starry sky lamp according to claim 3, characterized in that: one path of the microphone circuit is connected with the NC through a capacitor C10, the other path of the microphone circuit is connected with the anode of the MIC, and the cathode of the MIC is connected with the NC.

9. The fragrance humidifier music laser starry sky lamp according to claim 3, characterized in that: the Bluetooth music master control circuit comprises a Bluetooth music master control chip U1, the 1 st pin of the Bluetooth music master control chip U1 is connected with an LED lamp, the 2 nd pin and the 3 rd pin of the Bluetooth music master control chip U1 are respectively connected with the capacitor C31 and the capacitor C32 and then are connected with the ground in series, the 5 th pin of the Bluetooth music master control chip U1 is divided into two paths through an inductor L2, one path is grounded through a capacitor C30, the other path is connected with an FM antenna, the 6 th pin of the Bluetooth music master control chip U1 is divided into two paths, one path is connected with the 2 nd pin of the Bluetooth antenna through a capacitor C11, the other path is divided into two paths through an inductor L1, one path is grounded, the other path is connected with the 1 st pin of the Bluetooth antenna, the 7 th foot and the 8 th foot of bluetooth music master control chip U1 are established ties crystal oscillator Y1 between, the 15 th foot of bluetooth music master control chip U1 through electric capacity C4 with ground connection after the 14 th foot of bluetooth music master control chip U1 connects in parallel.