CN219514251U

CN219514251U - Dual-mode Bluetooth starry sky lamp control circuit

Info

Publication number: CN219514251U
Application number: CN202320825589.3U
Authority: CN
Inventors: 翁步升; 陈欣平; 叶飞; 高春雷; 卢琦; 葛伶俐
Original assignee: Hengdian Group Tospo Lighting Co Ltd
Current assignee: Hengdian Group Tospo Lighting Co Ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-08-11
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses a double-mode Bluetooth starlight lamp control circuit which belongs to the technical field of starlight lamp control and comprises a double-mode Bluetooth module, wherein a power supply pin of the double-mode Bluetooth module is connected with an output end of an LDO circuit, PWM1-4 pins of the double-mode Bluetooth module are respectively connected with an input end of an RGBW dimming driving circuit, an output end of the RGBW dimming driving circuit is connected with an input end of an RGBW LED light source, an ADC_IN pin of the double-mode Bluetooth module is connected with an output end of a signal amplifying circuit, and an input end of the signal amplifying circuit is connected with a microphone. According to the utility model, the microphone is used for collecting sound signals, the signal amplifying circuit is used for amplifying the sound signals collected by the microphone, and the dual-mode Bluetooth module is used for detecting the input external sound signals, so that the function of music rhythm is realized.

Description

Dual-mode Bluetooth starry sky lamp control circuit

Technical Field

The utility model belongs to the technical field of starry sky lamp control, and particularly relates to a double-mode Bluetooth starry sky lamp control circuit.

Background

The starry sky lamp is used for lighting atmosphere of families or entertainment places. The LED light color change, laser control and projection technology are integrated, and a night sky scene of gorgeous starry sky and bright Galaxy is created. However, in practical applications, the following problems are encountered:

1. the light color is single in change, and fatigue is easy to generate;

2. the function is simple, the playability is poor, and the user experience is poor;

3. the brightness is low, the expansion linkage of a plurality of star-sky projection lamps is not supported, and the use of more scenes cannot be satisfied.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a double-mode Bluetooth starry sky lamp control circuit which has the characteristics of supporting multi-lamp linkage full-color LEDs and continuous color temperature control and integrating sound collection and Bluetooth audio playing.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bimodulus bluetooth sky lamp control circuit, includes bimodulus bluetooth module, bimodulus bluetooth module's power supply pin is connected with the output of LDO circuit, and bimodulus bluetooth module's PWM1-4 pin is connected with RGBW drive circuit's input that adjusts luminance respectively, and RGBW drive circuit's output is connected with the input of RGBW LED light source, and bimodulus bluetooth module's ADC_IN pin is connected with signal amplification circuit's output, and signal amplification circuit's input is connected with the microphone.

In order to match with the color change of the main light source and realize the cloud fluctuation effect, further, the PWM5 pin of the dual-mode Bluetooth module is connected with the input end of the direct-current motor driving circuit, and the output end of the direct-current motor driving circuit is connected with the input end of the direct-current motor.

In order to realize the effect of opening and closing the simulated moon projection, further, the PWM6 pin of the dual-mode Bluetooth module is connected with the input end of the white light dimming driving circuit, and the output end of the white light dimming driving circuit is connected with the input end of the white light LED.

In order to realize the star light changing effect of the star light, further, the PWM7 pin of the dual-mode Bluetooth module is connected with the input end of the laser control circuit, and the output end of the laser control circuit is connected with the input end of the laser diode.

In order to realize wireless playing of the Audio, furthermore, an audio_out pin of the dual-mode Bluetooth module is connected with an input end of an Audio power amplifier circuit, and an output end of the Audio power amplifier circuit is connected with a loudspeaker.

In order to supply power for the LDO circuit and the audio power amplifier circuit, the power amplifier further comprises a USB interface, and the output end of the USB interface is respectively connected with the power input ends of the LDO circuit and the audio power amplifier circuit.

In order to have the functions of classical Bluetooth and low-power Bluetooth, and have the functions of audio decoding and real wireless stereo TWS, the low-power Bluetooth has the wireless networking function, wireless communication and networking functions are realized with man-machine interaction equipment, and the audio TWS pairing and playing control of two Bluetooth starry sky lamps and the dimming control of a plurality of starry sky lamps can be realized, further, the dual-mode Bluetooth module comprises a chip U1, 18 pins of the chip U1 are power supply pins, 18 pins of the chip U1 are respectively connected with one ends of a capacitor C7 and a capacitor C8 and the output end of an LDO circuit 12, the other ends of the capacitor C7 and the capacitor C8 are respectively connected with an analog GND (low-power amplifier) circuit 12, 9 pins of the chip U1 are digital power supplies, 9 pins of the chip U1 are connected with one end of the capacitor C9, 19 pins of the chip U1 are analog power supplies, 19 pins of the chip U1 are connected with one end of the capacitor C5, and the other end of the capacitor C5 is connected with the digital GND (low-power amplifier) circuit 12.

Further, the pin 21 of the chip U1 is an RF output end, and the pin 21 of the chip U1 is connected with one end of the capacitor C3 and one end of the inductor L1, the other end of the capacitor C3 is connected with the analog GND, the other end of the inductor L1 is connected with one end of the capacitor C4 and the antenna, and the other end of the capacitor C4 is connected with the analog GND.

Further, the pins 23 and 24 of the chip U1 are clock pins, one end of the crystal oscillator Y1 is connected with one end of the capacitor C1 and the pin 24 of the chip U1 respectively, the other end of the capacitor C1 is connected with the analog GND, the other end of the crystal oscillator Y1 is connected with one end of the capacitor C2 and the pin 23 of the chip U1 respectively, and the other end of the capacitor C2 is connected with the analog GND.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the microphone is used for collecting sound signals, the signal amplifying circuit is used for amplifying the sound signals collected by the microphone, the dual-mode Bluetooth module is used for detecting the input external sound signals, and the function of music rhythm is realized;

2. PWM1-4 pins of the dual-mode Bluetooth module are respectively connected with the input end of an RGBW dimming driving circuit, and output four paths of PWM signals for the main light source color dimming control of the starry sky lamp so as to realize color change of the starry sky lamp;

3. the utility model outputs PWM signals to control the direction and the rotating speed of the direct current motor, drives the lens on the direct current motor to rotate, and realizes the cloud fluctuation effect by matching with the color change of the main light source;

4. the utility model outputs PWM signals to control the switch of the white light LED, thus realizing the effect of opening and closing the simulated moon projection;

5. the utility model outputs PWM signals to control the light modulation of the laser diode, thereby realizing the star light changing effect of the star light;

6. the audio_out pin of the dual-mode Bluetooth module is connected with the input end of the Audio power amplifier circuit, and the output end of the Audio power amplifier circuit is connected with the loudspeaker, so that wireless playing of Audio is realized;

7. the utility model has the functions of classical Bluetooth and low-power consumption Bluetooth, and has the functions of audio decoding and real wireless stereo TWS, the low-power consumption Bluetooth has the wireless networking function, the dual-mode Bluetooth module realizes the wireless communication and networking functions with man-machine interaction equipment through an antenna, and can realize the pairing and play control of the audio TWS of two Bluetooth starry sky lamps and the dimming control of a plurality of starry sky lamps.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic block diagram of the present utility model;

FIG. 2 is a schematic block diagram of a dual mode Bluetooth module of the present utility model;

in the figure: 1. a dual mode Bluetooth module; 2. RGBW dimming driving circuit; 3. a DC motor driving circuit; 4. RGBW LED light source; 5. a DC motor; 6. a white light LED; 7. a laser diode; 8. a white light dimming driving circuit; 9. a laser control circuit; 10. an audio power amplifier circuit; 11. a speaker; 12. an LDO circuit; 13. a USB interface; 14. a microphone; 15. and a signal amplifying circuit.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-2, the present utility model provides the following technical solutions: the utility model provides a bimodulus bluetooth sky lamp control circuit, includes bimodulus bluetooth module 1, and the power supply pin of bimodulus bluetooth module 1 is connected with the output of LDO circuit 12, and the PWM1-4 pin of bimodulus bluetooth module 1 is connected with RGBW light modulation drive circuit 2's input respectively, and RGBW light modulation drive circuit 2's output is connected with RGBW LED light source 4's input, and the ADC_IN pin of bimodulus bluetooth module 1 is connected with the output of signal amplification circuit 15, and the input of signal amplification circuit 15 is connected with microphone 14.

By adopting the technical scheme, the microphone 14 is used for collecting sound signals, the signal amplifying circuit 15 is used for amplifying the sound signals collected by the microphone 14, the dual-mode Bluetooth module 1 is used for detecting the input external sound signals, and the function of music rhythm is realized; PWM1-4 pins of the dual-mode Bluetooth module 1 are respectively connected with the input end of the RGBW dimming driving circuit 2, and output four paths of PWM signals for the main light source color dimming control of the starry sky lamp so as to realize color change of the starry sky lamp.

Example 2

This embodiment differs from embodiment 1 in that: specifically, the PWM5 pin of the dual-mode bluetooth module 1 is connected to the input end of the dc motor driving circuit 3, and the output end of the dc motor driving circuit 3 is connected to the input end of the dc motor 5.

By adopting the technical scheme, the direction and the rotating speed of the direct current motor 5 are controlled by the output PWM signals, and the lens on the direct current motor 5 is driven to rotate and is matched with the color change of the main light source, so that the cloud color fluctuation effect is realized.

Example 3

This embodiment differs from embodiment 1 in that: specifically, the PWM6 pin of the dual-mode bluetooth module 1 is connected to the input end of the white light dimming driving circuit 8, and the output end of the white light dimming driving circuit 8 is connected to the input end of the white light LED 6.

By adopting the technical scheme, the PWM signal is output to control the switch of the white light LED6, so that the effect of simulating moon projection is achieved.

Example 4

This embodiment differs from embodiment 1 in that: specifically, the PWM7 pin of the dual-mode bluetooth module 1 is connected with the input end of the laser control circuit 9, and the output end of the laser control circuit 9 is connected with the input end of the laser diode 7.

By adopting the technical scheme, the output PWM signal controls the dimming of the laser diode 7, so that the starlight changing effect of the starry sky lamp is realized.

Example 5

This embodiment differs from embodiment 1 in that: specifically, the audio_out pin of the dual-mode bluetooth module 1 is connected with the input end of the Audio power amplifier circuit 10, and the output end of the Audio power amplifier circuit 10 is connected with the loudspeaker 11.

By adopting the technical scheme, wireless playing of the audio is realized.

Specifically, the audio amplifier further comprises a USB interface 13, and the output end of the USB interface 13 is respectively connected with the power input ends of the LDO circuit 12 and the audio amplifier circuit 10.

By adopting the above technical scheme, power is supplied to the LDO circuit 12 and the audio power amplifier circuit 10.

Example 6

This embodiment differs from embodiment 1 in that: specifically, the dual-mode bluetooth module 1 includes a chip U1, 18 pins of the chip U1 are power supply pins, and 18 pins of the chip U1 are respectively connected with one ends of a capacitor C7 and a capacitor C8 and an output end of the LDO circuit 12, the other ends of the capacitor C7 and the capacitor C8 are both connected with analog GND, 9 pins of the chip U1 are digital power sources, 9 pins of the chip U1 are connected with one end of the capacitor C9, the other end of the capacitor C9 is connected with the digital GND, 19 pins of the chip U1 are analog power sources, and 19 pins of the chip U1 are connected with one end of the capacitor C5, and the other end of the capacitor C5 is connected with the digital GND.

The 21 foot of chip U1 is the RF output, and the 21 foot of chip U1 is connected with the one end of electric capacity C3 and inductance L1 respectively, and electric capacity C3's the other end is connected with simulation GND, and inductance L1's the other end is connected with electric capacity C4's one end and antenna respectively, and electric capacity C4's the other end is connected with simulation GND.

The 23 feet and the 24 feet of the chip U1 are clock pins, one end of the crystal oscillator Y1 is connected with one end of the capacitor C1 and the 24 feet of the chip U1 respectively, the other end of the capacitor C1 is connected with the simulation GND, the other end of the crystal oscillator Y1 is connected with one end of the capacitor C2 and the 23 feet of the chip U1 respectively, and the other end of the capacitor C2 is connected with the simulation GND.

By adopting the technical scheme, the Bluetooth module has the functions of classical Bluetooth and low-power consumption Bluetooth, has the functions of audio decoding and real wireless stereo TWS, has the wireless networking function, realizes the wireless communication and networking function with man-machine interaction equipment through an antenna, and can realize the pairing and playing control of the audio TWS of two Bluetooth starry sky lamps and the dimming control of a plurality of starry sky lamps.

In the utility model, the chip U1 of the dual-mode Bluetooth module 1 is preferably a VB6824E chip of Shanghai Huazhen; the chip of the audio power amplifier circuit 10 is preferably a silicon micro MIX 2062D type power amplifier chip; the RGBW dimming driving circuit 2 is preferably a constant voltage MOS dimming circuit; the signal amplifying circuit 15 is preferably an amplifier circuit formed by an OPA340 operational amplifier; the RGBW LED light source 4 is preferably 3535COB lamp beads; the dc motor 5 is preferably a 3V motor of the Dongxing type.

All of the hardware described above is commercially available.

In summary, according to the utility model, the microphone 14 collects the sound signals, the signal amplifying circuit 15 amplifies the sound signals collected by the microphone 14, and the dual-mode bluetooth module 1 detects the input external sound signals to realize the function of music rhythm; PWM1-4 pins of the dual-mode Bluetooth module 1 are respectively connected with the input end of the RGBW dimming driving circuit 2, and output four paths of PWM signals for the color dimming control of a main light source of the starry sky lamp so as to realize color change of the starry sky lamp; the utility model outputs PWM signals to control the direction and the rotating speed of the direct current motor 5, drives the lens on the direct current motor 5 to rotate, and realizes the cloud fluctuation effect by matching with the color change of the main light source; the utility model outputs PWM signals to control the switch of the white light LED6, thus realizing the effect of opening and closing the simulated moon projection; the utility model outputs PWM signals to control the light modulation of the laser diode 7, thereby realizing the star light changing effect of the star light; the audio_out pin of the dual-mode Bluetooth module 1 is connected with the input end of the Audio power amplifier circuit 10, and the output end of the Audio power amplifier circuit 10 is connected with the loudspeaker 11, so that wireless playing of Audio is realized; the utility model has the functions of classical Bluetooth and low-power consumption Bluetooth, and has the functions of audio decoding and real wireless stereo TWS, the low-power consumption Bluetooth has the wireless networking function, the dual-mode Bluetooth module 1 realizes the wireless communication and networking function with man-machine interaction equipment through an antenna, and can realize the pairing and playing control of the audio TWS of two Bluetooth starry sky lamps and the dimming control of a plurality of starry sky lamps.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A double-mode Bluetooth starry sky lamp control circuit is characterized in that: the dual-mode Bluetooth power supply circuit comprises a dual-mode Bluetooth module, wherein a power supply pin of the dual-mode Bluetooth module is connected with an output end of an LDO circuit, PWM1-4 pins of the dual-mode Bluetooth module are respectively connected with an input end of an RGBW dimming driving circuit, an output end of the RGBW dimming driving circuit is connected with an input end of an RGBW LED light source, an ADC_IN pin of the dual-mode Bluetooth module is connected with an output end of a signal amplifying circuit, and an input end of the signal amplifying circuit is connected with a microphone.

2. The dual mode bluetooth star lamp control circuit of claim 1 wherein: the PWM5 pin of the dual-mode Bluetooth module is connected with the input end of the direct current motor driving circuit, and the output end of the direct current motor driving circuit is connected with the input end of the direct current motor.

3. The dual mode bluetooth star lamp control circuit of claim 1 wherein: the PWM6 pin of the dual-mode Bluetooth module is connected with the input end of the white light dimming driving circuit, and the output end of the white light dimming driving circuit is connected with the input end of the white light LED.

4. The dual mode bluetooth star lamp control circuit of claim 1 wherein: the PWM7 pin of the dual-mode Bluetooth module is connected with the input end of the laser control circuit, and the output end of the laser control circuit is connected with the input end of the laser diode.

5. The dual mode bluetooth star lamp control circuit of claim 1 wherein: the audio_out pin of the dual-mode Bluetooth module is connected with the input end of the Audio power amplifier circuit, and the output end of the Audio power amplifier circuit is connected with the loudspeaker.

6. The dual mode bluetooth star lamp control circuit of claim 5 wherein: the power supply circuit also comprises a USB interface, wherein the output end of the USB interface is respectively connected with the power input ends of the LDO circuit and the audio power amplifier circuit.

7. The dual mode bluetooth star lamp control circuit of claim 1 wherein: the dual-mode Bluetooth module comprises a chip U1, 18 pins of the chip U1 are power supply pins, the 18 pins of the chip U1 are respectively connected with one ends of a capacitor C7 and a capacitor C8 and the output end of an LDO circuit, the other ends of the capacitor C7 and the capacitor C8 are both connected with an analog GND, 9 pins of the chip U1 are digital power supplies, 9 pins of the chip U1 are connected with one end of the capacitor C9, the other end of the capacitor C9 is connected with the digital GND, 19 pins of the chip U1 are analog power supplies, 19 pins of the chip U1 are connected with one end of the capacitor C5, and the other end of the capacitor C5 is connected with the digital GND.

8. The dual mode bluetooth star lamp control circuit of claim 7 wherein: the 21 foot of chip U1 is the RF output, and the 21 foot of chip U1 is connected with the one end of electric capacity C3 and inductance L1 respectively, and electric capacity C3's the other end is connected with simulation GND, and inductance L1's the other end is connected with electric capacity C4's one end and antenna respectively, and electric capacity C4's the other end is connected with simulation GND.

9. The dual mode bluetooth star lamp control circuit of claim 7 wherein: the 23 feet and the 24 feet of the chip U1 are clock pins, one end of the crystal oscillator Y1 is connected with one end of the capacitor C1 and the 24 feet of the chip U1 respectively, the other end of the capacitor C1 is connected with the simulation GND, the other end of the crystal oscillator Y1 is connected with one end of the capacitor C2 and the 23 feet of the chip U1 respectively, and the other end of the capacitor C2 is connected with the simulation GND.