CN213783525U

CN213783525U - Internet of things multipurpose sound box

Info

Publication number: CN213783525U
Application number: CN202022710505.0U
Authority: CN
Inventors: 许谦; 许静; 许雁
Original assignee: Chongqing Xiyuan Building Automation Engineering Co ltd
Current assignee: Chongqing Xiyuan Building Automation Engineering Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-23
Anticipated expiration: 2030-11-20

Abstract

The utility model relates to a multi-purpose stereo of thing networking, including control circuit, networking module, audio acquisition module, audio output module, light sensor and atmosphere lamp module; the audio acquisition module comprises a microphone and a recording driving chip which are sequentially connected, and the recording driving chip is connected with the control circuit; the audio output module comprises a Bluetooth audio chip, a power amplifier chip and a loudspeaker which are sequentially connected, and the Bluetooth audio chip is connected with the control circuit; the atmosphere lamp module comprises an LED driving chip and an LED lamp group which are sequentially connected, and the LED driving chip is connected with the control circuit; the light sensor is connected with the control circuit; the utility model discloses a stereo set is compared in prior art, and the function is more, can bring more intelligent experience for the user.

Description

Internet of things multipurpose sound box

Technical Field

The utility model relates to a sound equipment field specifically is multi-purpose stereo set of thing networking.

Background

A sound refers to a device that can transform an audio signal into sound. The popular speaking is that the audio host box or the bass box is internally provided with a power amplifier, the audio signal is amplified and then is played back by the audio itself, so that the sound becomes large, the existing audio is mostly horizontally placed, the diffusion and the propagation of the sound are seriously influenced, the sound quality of the sound emitted by the audio is poor, good-hearing sound can not be provided for personnel, but the sound can become noise to interfere with a user, the traditional audio only provides sound for the personnel singly, the traditional audio can not be suitable for the era of the internet of things with rapid development, researchers can fully excavate the characteristics of the audio, more functions are expanded on the basis of keeping the advantages of the audio, the audio adapts to the development of the internet of things, and the audio is prevented from becoming a obsolete product of the era.

The existing sound box of the Internet of things has single function and cannot meet the use requirements of personnel.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing the multi-purpose stereo set of thing networking can satisfy personnel's user demand more intelligently.

The utility model discloses a multipurpose sound box of the internet of things, which comprises a control circuit, a networking module, an audio acquisition module, an audio output module, a light sensor and an atmosphere lamp module;

the audio acquisition module comprises a microphone and a recording driving chip which are sequentially connected, and the recording driving chip is connected with the control circuit;

the audio output module comprises a Bluetooth audio chip, a power amplifier chip and a loudspeaker which are sequentially connected, and the Bluetooth audio chip is connected with the control circuit;

the atmosphere lamp module comprises an audio analysis chip, an LED driving chip and an LED lamp group which are sequentially connected, and the LED driving chip is connected with the control circuit;

the light sensor is connected with the control circuit.

Further, control circuit includes STM32 singlechip and sets up clock circuit and the switch circuit on STM32 singlechip IO pin.

Further, the model of the recording driver chip is ISD1760, the microphone input pin of the recording driver chip is connected with the microphone, and the SPI serial pin of the recording driver chip is correspondingly connected with the serial pin of the STM32 singlechip.

Further, the model of bluetooth audio chip is SPK8635, the signal of power amplifier chip is NS4150, the serial pin of bluetooth audio chip with the serial pin of STM32 singlechip corresponds the connection, the output pin of bluetooth audio chip with the input pin of power amplifier chip is connected, the output pin of power amplifier chip with the speaker is connected, the loudspeaker output pin of recording driver chip with the speaker is connected.

Further, LED driver chip's model is SB42511, LED driver chip's PWM input pin with the IO pin of STM32 singlechip is connected, LED driver chip's LED output pin and series connection the LED banks is connected.

Further, the networking module includes WIFI module and 4G module, WIFI module and 4G module all through the serial ports with STM32 singlechip is connected.

The utility model has the advantages that: the utility model discloses a multi-purpose stereo set of thing networking gathers environment sound or pronunciation through audio acquisition module to broadcast through pronunciation and carry out, or according to the volume of the speaker in the environment sound automatically regulated audio output module, discern automatically whether environment sound or voice through the STM32 singlechip in the control circuit, the volume is turned down automatically when the speaker gathers the voice, the volume is turned up automatically when the speaker gathers the environment sound, thereby make the stereo set more intelligent; the LED lamp set is driven by the LED lamp driving chip, and an audio PCM signal is converted into a PWM signal so as to drive the LED lamp set, so that the LED lamp set can flash along with music, can be used as an illuminating lamp for illumination when no PCM signal exists, and can automatically adjust the brightness by detecting ambient light by using the light sensor; finally, the Internet is connected through a networking module to realize the remote control function; the utility model discloses a stereo set is compared in prior art, and the function is more, can bring more intelligent experience for the user.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.

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

fig. 2 is the circuit diagram of the audio acquisition module and the audio output module of the present invention.

Detailed Description

As shown in fig. 1-2: the internet-of-things multipurpose sound box comprises a control circuit, a networking module, an audio acquisition module, an audio output module, a light sensor and an atmosphere lamp module;

the light sensor is connected with the control circuit.

In this embodiment, control circuit includes STM32 singlechip and clock circuit and the switch circuit of setting on STM32 singlechip IO pin.

The utility model discloses a multi-purpose stereo set of thing networking gathers environment sound or pronunciation through audio acquisition module to broadcast through pronunciation and carry out, or according to the volume of the speaker in the environment sound automatically regulated audio output module, discern automatically whether environment sound or voice through the STM32 singlechip in the control circuit, the volume is turned down automatically when the speaker gathers the voice, the volume is turned up automatically when the speaker gathers the environment sound, thereby make the stereo set more intelligent; the LED lamp set is driven by the LED lamp driving chip, and an audio PCM signal is converted into a PWM signal so as to drive the LED lamp set, so that the LED lamp set can flash along with music, can be used as an illuminating lamp for illumination when no PCM signal exists, and can automatically adjust the brightness by detecting ambient light by using the light sensor; finally, the Internet is connected through a networking module to realize the remote control function; the utility model discloses a stereo set is compared in prior art, and the function is more, can bring more intelligent experience for the user.

In this embodiment, the model of recording driver chip is ISD1760, the microphone input pin (MIC + and MIC-) of recording driver chip is connected with the microphone, the SPI serial pin (MISO, MOSI and SCLK, MISO is output pin, MOSI is input pin) of recording driver chip is the serial pin that corresponds with STM32 singlechip respectively and is connected, the audio frequency analog signal that the microphone was gathered is handled through ISD1760 chip and is transmitted to STM32 singlechip in, and convert PCM digital signal, the STM32 singlechip distinguishes PCM digital signal is speech signal or ambient noise through relevant algorithm, thereby control bluetooth audio chip removes the volume of adjusting the speaker.

In this embodiment, the model of the bluetooth audio chip is SPK8635, the signal of the power amplifier chip is NS4150, the serial pins (SPI _ MISO, SPI _ MOSI, SPI _ CSB, and SPI _ CLK, respectively) of the bluetooth audio chip are connected to the serial interface pins (as long as there are IO pins for serial data communication) of the STM32 single chip, the output pins (stereo right channel differential output negative terminal SPK _ RN, stereo right channel differential output positive terminal SPK _ RP, stereo left channel differential output negative terminal SPK _ LN, and stereo left channel differential output positive terminal SPK _ LP) of the bluetooth audio chip are connected to the input pins of two power amplifier chips, wherein SPK _ RP and SPK _ RN are connected to the input pins INP and INN of one of the power amplifier chips, SPK _ LP and SPK _ LN are connected to the input pins INP and INN of the other power amplifier chip, and the output pins VOP and VON of the power amplifier chip are connected to the speaker, the loudspeaker output pins (SP + and SP-) of the recording driving chip are connected with the loudspeaker, and meanwhile, the next song control pin PIO _15 is connected with the STM32 single chip microcomputer and used for controlling song cutting; the Bluetooth audio chip receives and plays audio signals in a Bluetooth mode; the singlechip reads a local audio file and sends the local audio file to the ISD1760 chip so as to drive the loudspeaker to play.

In this embodiment, LED driver chip's model is SB42511, and LED driver chip's PWM input pin is connected with the IO pin of STM32 singlechip, and LED driver chip's LED output pin is connected with the LED banks of establishing ties, and the STM32 singlechip sends the PWM signal to LED driver chip to the luminance of drive LED banks, through asking the PWM signal with PCM audio file conversion, makes the LED banks can follow the music scintillation.

In this embodiment, the networking module includes WIFI module and 4G module, and WIFI module and 4G module all are connected with STM32 singlechip through the serial ports, for prior art, and the event is no longer repeated.

In addition, the circuit in fig. 2 is a simple schematic diagram, various chips are not related to the connection relationship and are drawn, and chip pins appearing in the scheme can be found on the network, which belongs to the prior art, so that the circuit is omitted.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. Multi-purpose stereo set of thing networking, its characterized in that: the device comprises a control circuit, a networking module, an audio acquisition module, an audio output module, a light sensor and an atmosphere lamp module;

the atmosphere lamp module comprises an LED driving chip and an LED lamp group which are sequentially connected, and the LED driving chip is connected with the control circuit;

the light sensor is connected with the control circuit.

2. The internet-of-things multi-purpose sound box of claim 1, wherein: the control circuit comprises an STM32 single chip microcomputer and a clock circuit and a switch circuit which are arranged on an IO pin of the STM32 single chip microcomputer.

3. The internet-of-things multi-purpose sound box of claim 2, wherein: the type of the recording driver chip is ISD1760, the microphone input pin of the recording driver chip is connected with the microphone, and the SPI serial pin of the recording driver chip is correspondingly connected with the serial pin of the STM32 singlechip.

4. The internet-of-things multi-purpose sound box of claim 3, wherein: the model of bluetooth audio chip is SPK8635, the signal of power amplifier chip is NS4150, the serial pin of bluetooth audio chip with the serial pin of STM32 singlechip corresponds the connection, the output pin of bluetooth audio chip with the input pin of power amplifier chip is connected, the output pin of power amplifier chip with the speaker is connected, the loudspeaker output pin of recording driver chip with the speaker is connected.

5. The internet-of-things multi-purpose sound box of claim 2, wherein: the model of LED driver chip is SB42511, LED driver chip's PWM input pin with the IO pin of STM32 singlechip is connected, LED driver chip's LED output pin and series connection the LED banks is connected.

6. The internet-of-things multi-purpose sound box of claim 2, wherein: the networking module includes WIFI module and 4G module, WIFI module and 4G module all through the serial ports with STM32 singlechip is connected.