CN219107601U

CN219107601U - Karaoke sound box

Info

Publication number: CN219107601U
Application number: CN202320037164.6U
Authority: CN
Inventors: 许尚洪
Original assignee: Shanghai Maultak Technology Development Co ltd
Current assignee: Shanghai Maultak Technology Development Co ltd
Priority date: 2023-01-07
Filing date: 2023-01-07
Publication date: 2023-05-30
Anticipated expiration: 2033-01-07

Abstract

The utility model relates to a karaoke loudspeaker box, which comprises a wireless microphone, a smart phone and a loudspeaker box main body, wherein the loudspeaker box main body comprises a main control module, a wireless microphone receiving module, a WIFI module, an audio adjusting module, a power amplifying module, a loudspeaker module and a power module for supplying power to the whole loudspeaker box main body, the wireless microphone receiving module is in wireless communication connection with the wireless microphone, the main control module is respectively connected with the WIFI module and the audio adjusting module, the WIFI module is connected with the smart phone, the main control module is provided with a video signal transmission interface, and the wireless microphone receiving module, the audio adjusting module, the power amplifying module and the loudspeaker module are sequentially connected. Compared with the prior art, the utility model realizes the collection and video display of music data and voice data through the sound box carrier, provides complete karaoke experience, and has the advantages of rich functions, stable and reliable performance and the like.

Description

Karaoke sound box

Technical Field

The utility model relates to the field of sound boxes, in particular to a karaoke sound box.

Background

"karaoke" is generally to play a song accompaniment with no host voice, which is prerecorded on a medium such as a video tape, simultaneously with playing lyrics with a tempo prompt on a television screen, and then to watch the lyrics by a participant, and to record the song by a microphone. With the improvement of the living standard of people and the advancement of technology, karaoke is becoming more popular and various in forms, and the karaoke is continuously developed from karaoke houses to mobile phones.

The common sound box only outputs single audio frequency and does not have a complicated karaoke function.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the karaoke loudspeaker box which not only plays the characteristic of high sound quality of the loudspeaker box, but also can provide a complete karaoke function.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a karaoke loudspeaker box, includes wireless microphone, smart mobile phone and audio amplifier main part, the audio amplifier main part includes main control module, wireless microphone receiving module, WIFI module, audio adjusting module, power amplifier module, loudspeaker module and the power module who supplies power for whole audio amplifier main part, wireless microphone receiving module wireless communication connects wireless microphone, WIFI module and audio adjusting module are connected respectively to main control module, the WIFI module is connected smart mobile phone, main control module is equipped with video signal transmission interface, wireless microphone receiving module, audio adjusting module, power amplifier module and loudspeaker module connect gradually.

Further, the main control module receives music data transmitted by the mobile phone through the WIFI module and outputs the music data to the sound effect adjusting module;

the sound effect adjusting module receives the voice data transmitted by the wireless microphone through the wireless microphone receiving module, is a chip with a data superposition function and outputs signals to the power amplification module.

Further, the karaoke loudspeaker box further comprises a television, and the television is connected with the main control module through the HDMI wire harness and the video signal transmission interface.

Further, the main control module is an RK3036G main chip, the RK3036G main chip integrates an ARM Cortex-A7 dual-core CPU, a Mali 400D GPU is built in, and the main control module has an HDMI data transmission function.

Further, the WIFI module is an RTL8188EUS module.

Further, the wireless microphone receiving module is a wireless receiving chip KT0656M of Kuntze microelectronics.

Further, the sound effect adjusting module is a DU562 high-performance audio DSP.

Further, the power amplification module is a CS8623E mono high-efficiency D-class audio power amplification circuit.

Further, the horn module is a 30W horn.

Further, the wireless microphone adopts a wireless transmitting chip KT0646M of KuntTeng microelectronics.

Compared with the prior art, the utility model has the following advantages:

(1) The karaoke loudspeaker box provided by the utility model can be connected with a smart phone through the WIFI module to acquire music data, and can be connected with a television through the main control module to display the music data; the wireless microphone receiving module is connected with the wireless microphone, the voice data are collected, and after the music data and the voice data are overlapped and mixed by the sound effect adjusting module, the music data and the voice data are sequentially output through the power amplifier module and the loudspeaker module.

The karaoke loudspeaker combines the karaoke technology with the common loudspeaker, and assists in wireless screen-throwing technology, wireless microphone technology, smart phone technology and audio processing technology, so as to generate a brand new product form. The voice box has the characteristics of high tone quality, provides a complete karaoke experience, and has the advantages of rich functions, good user experience and the like.

(2) The utility model provides specific equipment models of all modules, can ensure stable and reliable performance and meets the use requirements of the utility model.

Drawings

Fig. 1 is a schematic circuit diagram of a karaoke speaker according to an embodiment of the present utility model;

in the figure, 1, main control module, 2, wireless microphone receiving module, 3, WIFI module, 4, power module, 5, audio conditioning module, 6, power amplifier module, 7, loudspeaker module, 8, wireless microphone, 9, smart mobile phone.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

It should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying a number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

Example 1

As shown in fig. 1, this embodiment provides a karaoke speaker, including wireless microphone 8, smart mobile phone 9 and audio amplifier main part, the audio amplifier main part includes main control module 1, wireless microphone receiving module 2, WIFI module 3, audio adjusting module 5, power amplifier module 6, loudspeaker module 7 and power module 4 for whole audio amplifier main part power supply, wireless microphone 8 is connected in wireless microphone receiving module 2 wireless communication, main control module 1 connects WIFI module 3 and audio adjusting module 5 respectively, smart mobile phone 9 is connected to WIFI module 3, main control module 1 is equipped with video signal transmission interface, wireless microphone receiving module 2, audio adjusting module 5, power amplifier module 6 and loudspeaker module 7 connect gradually.

The main control module 1 receives music data transmitted by the mobile phone through the WIFI module 3 and outputs the music data to the sound effect adjusting module 5;

the sound effect adjusting module 5 receives the voice data transmitted by the wireless microphone 8 through the wireless microphone receiving module 2, and the sound effect adjusting module 5 is a chip with a data superposition function and outputs a signal to the power amplification module 6.

The karaoke loudspeaker box further comprises a television, and the television is connected with the main control module 1 through the HDMI wire harness and the video signal transmission interface.

In the use process, the intelligent mobile phone can be connected with the WIFI module to acquire music data, and the main control module can be connected with the television to display the music data; the wireless microphone receiving module is connected with the wireless microphone, the voice data are collected, and after the music data and the voice data are overlapped and mixed by the sound effect adjusting module, the music data and the voice data are sequentially output through the power amplifier module and the loudspeaker module.

In the embodiment, the main control module 1 is an RK3036G main chip, and the RK3036G main chip integrates an ARM Cortex-A7 dual-core CPU and is internally provided with a Mali 400 3D GPU. The method supports Linux programming development, HDMI1080p high-definition output and UART, I2S, USB, I2C, SDIO and other general peripherals. And the requirements of high-definition screen projection and audio and video decoding are met.

The WIFI module 3 is an RTL8188EUS module and supports an 802.11BGN 2.4G wireless network.

The wireless microphone receiving module 2 is a wireless receiving chip KT0656M of Kuntze microelectronics, and receives audio signals sent by the wireless microphone.

The sound effect adjusting module 5 is a DU562 high-performance audio DSP and supports sound effect processing on multiple paths of audio signals.

The power amplification module 6 is a CS8623E mono high-efficiency D-class audio power amplification circuit, so that the system has high-quality audio power amplification and output.

The loudspeaker module 7 is a 30W high-fidelity loudspeaker and is used for sounding.

The power module 4 is used for overall speaker power management.

The wireless microphone 8 is designed as a double wireless microphone, adopts a wireless transmitting chip KT0646M of Kuntze microelectronics, collects human voice and transmits wireless audio signals with low noise and high fidelity.

The smart phone 9 is a user's own Android mobile phone or an IOS mobile phone, is connected with the sound box in a wireless mode, and is used for throwing a screen to a television.

One specific implementation of the karaoke speaker is provided below.

The user holds the wireless microphone to sing, and the voice is converted into an analog audio signal through the wireless microphone receiving module 2 and transmitted to the sound effect adjusting module 5.

The smart phone is connected with the WIFI module 3 through a WIFI protocol. The WIFI module 3 is connected with the main control module 1 through a USB interface, and the WIFI module 3 transmits mobile phone audio and video signals to the main control module 1 through a screen projection protocol.

The main control module 1 transmits the received image data to a television through HDMI; the received music data is output to the sound effect adjusting module 5 through the I2S signal.

The sound effect adjusting module 5 superimposes the voice data and the music data, adds a corresponding preset existing sound effect algorithm on the superimposed digital audio signal, and outputs the sound effect algorithm to the power amplifier module 6 through an analog circuit.

The power amplifier module 6 transmits the amplified audio signal to the loudspeaker module 7 for playing and outputting.

The power supply module 4 is a lithium battery power supply module and supplies power for the whole system. The main control module 1 is connected with the power module 4 through a GPIO port to acquire the state of the power module 4, such as low power, full power and charging.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims

1. The utility model provides a karaoke sound box, its characterized in that, including wireless microphone (8), smart mobile phone (9) and audio amplifier main part, the audio amplifier main part includes main control module (1), wireless microphone receiving module (2), WIFI module (3), audio adjusting module (5), power amplifier module (6), loudspeaker module (7) and power module (4) for whole audio amplifier main part power supply, wireless microphone receiving module (2) wireless communication connects wireless microphone (8), WIFI module (3) and audio adjusting module (5) are connected respectively to main control module (1), WIFI module (3) are connected smart mobile phone (9), main control module (1) are equipped with video signal transmission interface, wireless microphone receiving module (2), audio adjusting module (5), power amplifier module (6) and loudspeaker module (7) connect gradually.

2. The karaoke loudspeaker according to claim 1, wherein the main control module (1) receives music data transmitted by a mobile phone through the WIFI module (3) and outputs the music data to the sound effect adjusting module (5);

the sound effect adjusting module (5) receives the voice data transmitted by the wireless microphone (8) through the wireless microphone receiving module (2), and the sound effect adjusting module (5) is a chip with a data superposition function and outputs signals to the power amplification module (6).

3. A karaoke speaker according to claim 1, further comprising a television connected to the main control module (1) via the video signal transmission interface through an HDMI harness.

4. The karaoke speaker of claim 1 wherein the main control module (1) is an RK3036G main chip, the RK3036G main chip integrates an ARM Cortex-A7 dual-core CPU, a built-in Mali 400 3d GPU, and has an HDMI data transmission function.

5. A karaoke speaker according to claim 1, wherein the WIFI module (3) is an RTL8188EUS module.

6. A karaoke speaker according to claim 1, wherein the wireless microphone receiving module (2) is a kuntze microelectronic wireless receiving chip KT0656M.

7. A karaoke speaker according to claim 1, wherein said sound conditioning module (5) is a DU562 high performance audio DSP.

8. A karaoke speaker according to claim 1, wherein the power amplifier module (6) is a CS8623E mono high efficiency class D audio power amplifier circuit.

9. A karaoke speaker according to claim 1, wherein the speaker module (7) is a 30W speaker.

10. A karaoke speaker according to claim 1, wherein said wireless microphone (8) employs a wireless transmitting chip KT0646M of a kuntz microelectronics.