WO2022261935A1 - Multifunctional loudspeaker - Google Patents

Abstract

The present application relates to a multifunctional loudspeaker, comprising a loudspeaker body. At least one sound generation element is provided in the loudspeaker body. The loudspeaker body is provided with an accommodation part for placing a microphone. A lighting box is connected to the loudspeaker body, a light emitting part and a driving part being provided in the lighting box, wherein the light emitting part is used for emitting at least one color of light, and the driving part is used for driving the light emitting part to rotate. The loudspeaker body is provided with a control assembly, which comprises a signal receiving module, a main control module, a power amplification module, a light driving module and a rotation driving module. The present application has multiple functions, such as accommodating and placing a microphone, and lighting effects, therefore having the effect of satisfying various requirements of users.

Description

A multifunctional speaker technical field

The present application relates to the field of audio equipment, in particular to a multifunctional sound box.

Background technique

With the development of society, leisure and entertainment have become more and more important content in people's life. People began to buy some audio equipment as leisure and entertainment facilities. According to different activity scenes, the types of equipment required are also different, such as enjoying film and television entertainment programs You need sound sources, power amplifiers and speakers, etc., singing requires microphones, speakers and reverbs, etc., and sometimes even lighting is needed to render the atmosphere. However, the existing speakers usually only have the function of outputting audio, and the function is relatively single. Users need to purchase devices with different functions and effects to configure them. Not only is it inconvenient to store multiple devices, but also multiple devices take up a lot of space.

Contents of the invention

In order to make a set of products meet various needs of users and reduce complicated equipment configurations, the present application provides a multifunctional speaker.

A multifunctional sound box, comprising a sound box body, at least one sound emitting element is arranged in the sound box body, and a receiving part for placing a microphone is arranged on the sound box body;

The speaker body is connected with a light box, and the light box is provided with a light emitting part and a driving part, the light emitting part is used to emit light of at least one color, and the driving part is used to drive the light emitting part to rotate;

The sound box body is provided with a control assembly, and the control assembly includes:

The signal receiving module is used to receive the audio signal input from the outside world, the audio signal input from the outside world includes the audio signal input by the microphone, the audio signal input by wireless and the audio signal input by cable;

A main control module, configured to receive an audio signal and output an audio processing signal, a first control signal and a second control signal based on the audio signal;

The power amplifier module is electrically connected between the main control module and the sounding element, and is used for receiving and amplifying the audio processing signal and sending it to the sounding element for playback;

The light driving module is electrically connected between the main control module and the light emitting part, and is used to receive the first control signal and control the light emitting of the light emitting part based on the first control signal, so that the light color and/or brightness of the light emitting part follow the audio signal changes in rhythm;

The rotation drive module is electrically connected between the main control module and the drive part, and is used to receive the second control signal and control the rotation output of the drive part based on the second control signal, so that the rotation speed of the drive part changes with the rhythm of the audio signal And change.

Further, the light box includes a box base and a light-transmitting lampshade arranged on the box base, the box base is fixedly connected to the speaker body, and the end surface of the box base away from the end of the speaker body is inclined toward the side of the speaker body.

Further, the light-emitting part includes a light-emitting lamp board and a refraction cover arranged between the box seat and the light-transmitting lamp cover, and the light-emitting lamp board is provided with a number of lamp beads; the refraction cover is used to refract the light emitted by the lamp beads, The inner side of the refraction cover is provided with several polygonal planes spliced with each other, and the outer side of the refraction cover is an arc surface.

Further, the driving part drives the refraction cover to rotate.

Further, the main control module includes:

The reverberation unit is electrically connected to the signal receiving module, and is used to mix the audio signal input by the microphone with the audio signal input by wireless or the audio signal input by cable, and output the mixed audio signal to the power amplifier module;

The audio processing unit is electrically connected to the signal receiving module and the reverberation unit, and is used to extract the rhythm signal of the audio signal and output the first control signal to the light driving module and the second control signal to the rotation driving module based on the rhythm signal.

Further, the signal receiving module includes a wired signal interface, a Bluetooth receiving unit, and a wireless microphone receiving unit; the wireless microphone receiving unit includes a microphone receiving antenna and a microphone decoding module, and the microphone receiving antenna is used to receive The antenna signal, the microphone decoding module is used to decode the audio signal in the antenna signal and transmit the decoded audio signal to the main control module.

Further, the control component is wirelessly connected with the microphone, and the accommodating part is provided with a charging contact for charging the microphone.

Further, the sound box body includes a housing and a tuning net arranged on the housing, the sound-generating element is fixedly arranged on the housing, and the sound-emitting part of the sound-generating element is set toward the side of the tuning net; The casing is provided with a first sound cavity and a second sound cavity, the first sound cavity and the second sound cavity are isolated from each other, the sound emitting elements are an even number, and the sound emitting elements are arranged in the first sound cavity and the second sound cavity In the sound cavity, the number of sound emitting elements in the first sound cavity and the second sound cavity are equal.

Further, there are two power amplifier modules, which are respectively electrically connected between the main control module and the sound emitting element located in the first sound cavity and between the main control module and the sound emitting element located in the second sound cavity.

Further, at least two groups of suspension fasteners are provided at intervals along the length direction of the casing away from the tuning net, and the suspension fasteners include buckles for fixedly connecting the casing and buckles that are snap-fitted to the buckles. The hook is used for fixing on the supporting body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. By setting the receiving part on the speaker, the microphone can be placed in the receiving part when not in use, and the microphone can be charged; the light box is installed on the speaker, and the light driving module and the rotating driving module are integrated in the control system, so that the The speaker has the effect of synchronizing light and sound;

2. By integrating the reverberation unit in the main control module of the speaker, the speaker has a reverberation effect, which can provide music accompaniment for the audio signal input through the microphone;

3. By setting the first sound cavity and the second sound cavity, the sound emitting components are respectively placed in the first sound cavity and the second sound cavity, so that the sounds of the left and right channels will not affect each other.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a sound box in an embodiment of the present application;

Fig. 2 is a partial exploded view of the sound box in an embodiment of the present application;

Fig. 3 is a functional block diagram of a speaker in an embodiment of the present application;

Fig. 4 is an exploded view of the overall structure of the sound box in an embodiment of the present application;

Fig. 5 is the rear side view of the sound box in an embodiment of the present application;

Fig. 6 is an exploded view of part A in Fig. 5;

Fig. 7 is a partial cross-sectional view of a sound box in an embodiment of the present application;

Fig. 8 is an exploded diagram of a light box in an embodiment of the present application;

Fig. 9 is a front view of a partial structure of a sound box in an embodiment of the present application;

Fig. 10 is a functional structural diagram of a sound box in an embodiment of the present application;

Fig. 11 is a structural block diagram of a control component in an embodiment of the present application;

Fig. 12 is a circuit structure diagram of a wireless microphone receiving unit in an embodiment of the present application;

Fig. 13 is a circuit structure diagram of the main control module in an embodiment of the present application;

Fig. 14 is a circuit structure diagram of a light driving module in an embodiment of the present application;

Fig. 15 is a circuit structure diagram of a rotary drive module in an embodiment of the present application;

Fig. 16 is a circuit structure diagram of a power amplifier module in an embodiment of the present application.

Explanation of reference signs: 1. Speaker body; 11. Shell; 111. First sound chamber; 112. Second sound chamber; 113. Control chamber; 114. Installation hole; 12. Tuning net; 13. Accommodating part; 14. Suspension fastener; 141. Buckle; 1411. Clamping groove; 142. Hook; 15. Support pad; 16. Isolation board; 17. Interface area; 2. Microphone; 3. Lighting box; 31. Box seat ; , Sounding components; 5, Control components; 51, Signal receiving module; 511, Wired signal interface; 512, Bluetooth receiving unit; 513, Wireless microphone receiving unit; 52, Main control module; 53, Power amplifier module; 54, Lighting driver module ; 55, the rotary drive module; 56, the main control panel; 6, the passive diaphragm.

detailed description

The present application will be described in further detail below in conjunction with accompanying drawings 1-16.

Traditional speaker products usually only have the function of audio playback. With the improvement of people's audio-visual requirements, in the process of family gathering entertainment, if you need karaoke, you need to use a pair of microphones and karaoke with reverberation function. System, if you need to hold a dance party, you need to match stage lighting, and this whole set of equipment is expensive and complicated to configure. For ordinary families, the frequency of use may not be high. If you buy it, the actual cost performance Not high, if you don't buy it, you can't meet your own needs.

The embodiment disclosure of the present application relates to a multifunctional sound box. With reference to Fig. 1 and Fig. 2, multifunctional sound box comprises sound box body 1 and the microphone 2 that is connected with sound box body 1 telecommunication, and microphone 2 is used for collecting external sound signal and converts it into electric current signal, and the external sound collected by microphone 2 in the present application The signal is mainly human voice, such as singing and rapping. The speaker body 1 is used as the main support structure of the speaker, on which there are sound-generating components 4 for playing audio signals, a light box 3 for creating a lighting atmosphere, and a housing part 13 for placing a microphone 2; wherein the light box 3 is provided with a light emitting The light emitting part 33 and the driving part 34, the light emitting part 33 is used to emit light of at least one color, and the driving part 34 is used to drive the light emitting part 33 to rotate.

Referring to Fig. 3 and Fig. 4, a control assembly 5 is also provided on the speaker body 1 at the same time, and the control assembly 5 includes:

The signal receiving module 51 is configured to receive an audio signal input from the outside world, the audio signal input from the outside world includes an audio signal input by the microphone 2, an audio signal input wirelessly and an audio signal input wired;

A main control module 52, configured to receive an audio signal and output an audio processing signal, a first control signal and a second control signal based on the audio signal;

The power amplifier module 53 is electrically connected between the main control module 52 and the sounding element 4, and is used to receive and amplify the audio processing signal and deliver it to the sounding element 4 for playback;

The light driving module 54 is electrically connected between the main control module 52 and the light emitting part 33, and is used to receive the first control signal and control the light emitting of the light emitting part 33 based on the first control signal, so that the light color and/or brightness of the light emitting part 33 Change with the rhythm of the audio signal;

The rotation drive module 55 is electrically connected between the main control module 52 and the drive part 34, and is used to receive the second control signal and control the rotation output of the drive part 34 based on the second control signal, so that the rotation speed of the drive part 34 follows the audio signal The rhythm changes.

The audio data processing of the speaker and the lighting effect atmosphere control of the light box 3 are realized through the control component 5, so that a speaker can meet the needs of users in various usage scenarios, and users can select functions according to their actual usage requirements.

Referring to Fig. 4, the speaker body 1 is the main supporting structure of the speaker body, and the shape of the speaker body 1 can be a conventional three-dimensional figure, such as a cuboid, cube, sphere or hemisphere, ellipsoid, cylinder or cone, or it can be an unconventional shape. Three-dimensional graphics, such as irregular polygons, combined three-dimensional graphics and cartoon shapes, etc., the preferred shape of the sound box body 1 in this application is a strip shape or a rod shape.

Specifically, the speaker body 1 includes a housing 11 and a tuning net 12 arranged on the housing 11. The tuning net 12 is slidably mated with the housing 11. The housing 11 can be made of a metal shell or injection molding. plastic case. In this application, the housing 11 is preferably made of an extruded metal tube through cutting, stamping and punching. Metal has good heat dissipation performance, and the housing 11 made of metal can be used as a heat sink for high-power speaker devices. , so that the sound box has a better heat dissipation effect, and at the same time, the use of extruded metal tubes can reduce the processing cost of the shell 11, thereby reducing the cost of the sound box.

Referring to Fig. 4, when the sound box is defined in this application to be in normal use, the side on which the housing 11 is provided with the tuning net 12 is the front of the sound box, and the side on which the housing 11 is provided with the accommodation portion 13 is the upper end surface of the sound box, and the accommodation portion 13 is arranged on the shell The upper end surface of the body 11 is convenient for the user to access the microphone 2 . There are two microphones 2 conventionally matched with the speakers. In this application, the microphone 2 is a wireless microphone 2. The accommodation part 13 is provided with two vertically opened jacks. The bottom of the accommodation part 13 is provided with a charging contact (not shown in the figure). ), the bottom of the microphone 2 is correspondingly provided with a metal ring (not shown in the figure), when the microphone 2 is vertically placed in the accommodating portion 13, due to the gravity of the microphone 2, the charging contacts are in close contact with the metal ring at the bottom of the microphone 2, At this time, if the speaker is powered on, the speaker charges the built-in battery of the microphone 2 .

4 and 5, in order to facilitate the connection between the speaker body 1 and the external power supply, the speaker body 1 is provided with a power interface, and the speaker body 1 is connected to the external power supply through a power adapter. The speaker body 1 is provided with an interface area 17. In this application, in order to improve the overall appearance of the speaker, the interface area 17 is arranged on the side of the speaker body 1 away from the tuning network 12, and the interface area 17 is for the speaker body 1 to face the tuning network 12. The side recess is set to leave room for the interface line to bend. The lower end surface of the speaker body 1 is provided with at least two supporting pads 15 at intervals along its length direction. When the speaker is placed on a desktop or other plane, the supporting pads 15 leave a gap between the lower end surface of the speaker and the plane on which it is placed. , to facilitate the heat dissipation and shockproof of the speaker.

Referring to Fig. 5 and Fig. 6, in order to facilitate the placement and installation of the sound box, at least two groups of suspension fasteners 14 are provided at intervals along the length direction of the housing 11 away from the tuning net 12, and the suspension fasteners 14 include a fixed connection housing. The buckle 141 of the body 11 and the hook 142 that is buckled and matched with the buckle 141, the hook 142 is used to be fixed on the support body, the support body can be a wall, and can also be a fixedly installed object, such as a cabinet, a bracket and a door frame, etc. , the speaker is suspended and installed through the suspension fastener 14. The buckle 141 is provided with a snap-in slot 1411 with an opening facing the lower end of the speaker. The part of the snap-in 141 provided with the snap-in slot 1411 protrudes toward the side away from the housing 11. The snap-in slot 1411 is U-shaped, and the hook 142 is connected to the The slot 1411 cooperates, and under the action of gravity, the hook 142 is in conflict with the snap-in slot 1411, so as to realize the suspension of the speaker. The gap facilitates the heat dissipation of the sound box, and at the same time, due to the setting of the interface area 17, space is reserved for the bending of the interface line, so as to prevent the bending part of the interface line from protruding from the sound box body 1 and affecting the suspension of the sound box when the sound box is suspended.

Referring to Fig. 7, the sounding element 4 is fixedly arranged on the housing 11 and the sounding part of the sounding element 4 is set towards the side of the tuning net 12. The tuning net 12 can not only ensure the dustproof performance of the speaker body 1, but also have ventilation and heat dissipation. At the same time, adding a tuning net 12 to the sound part of the sound generating element 4 can optimize and control the acoustic curve more subtlely, and enhance the sound effect. In order to effectively ensure the separation of the sound and enable the audience to hear the stereo sound, the sound emitting element 4 adopts a full-range speaker and is an even number. The housing 11 is provided with a first sound chamber 111 and a second sound chamber 112. The first sound chamber 111 Separated from the second sound cavity 112 , the sound emitting elements 4 are arranged in the first sound cavity 111 and the second sound cavity 112 , and the number of 4 sound emitting elements in the first sound cavity 111 and the second sound cavity 112 is equal. Through the first sound cavity 111 and the second sound cavity 112 that are isolated from each other, the sound emitting element 4 in the first sound cavity 111 and the sound emitting element 4 in the second sound cavity 112 are not affected by each other, that is, the left and right sound channels sounds will not interfere with each other.

Referring to Fig. 7, the first sound cavity 111 and the second sound cavity 112 are arranged side by side inside the shell, and the inside of the shell is provided with an isolation plate 16, and the first sound cavity 111 and the second sound cavity 112 are separated by the isolation plate 16, the present application The middle insulation board 16 is preferably a hard EVA board, and fixing glue is filled between the peripheral side of the insulation board 16 and the inner wall of the housing, and the stability of the insulation board 16 after installation is ensured by the fixing glue.

In an embodiment, there may be two sound emitting elements 4, so as to realize the separate playback of the left channel sound and the right channel sound of the audio signal at the lowest cost.

Referring to Fig. 7, in one embodiment, the number of sounding elements 4 can be four or six, etc., and a passive diaphragm 6 is provided between adjacent two sounding elements 4 in the same sound cavity, and the passive diaphragm 6 Boosts bass. This application shows the situation when there are four sound emitting elements 4 . The shell is respectively provided with mounting holes 114 of suitable size and shape corresponding to the sounding element 4 and the passive diaphragm 6, and the sounding element 4 and the passive diaphragm 6 are respectively penetrated in the respective fitting mounting holes 114, and fixed on the mounting hole 114 by screws. On the shell, the gap between the sound emitting element 4 and the passive diaphragm 6 after installation is sealed with soft glue.

Referring to Fig. 7 and Fig. 8, in the present application, there are preferably two light boxes 3 and they are respectively installed on both ends of the sound box body 1 along the length direction of the sound box body 1, that is, the two light boxes 3 are respectively arranged on the housing 11 at the first sound box. The cavity 111 and the second sound cavity 112 are on the side away from each other; similarly, the light box 3 can also be located at other parts of the sound box body 1, such as the light box 3 can also be installed on the upper end of the sound box body 1. The light box 3 includes a box base 31 and a light-transmitting lampshade 32 arranged on the box base 31. The box base 31 is fixedly connected to the speaker body 1; and cover the end of the speaker body 1, the first sound cavity 111 and the second sound cavity 112 form a complete closed cavity through the box seat 31, and at the same time, the box seat 31 is used to limit the resistance of the tuning net 12 position, to prevent the tuning net 12 from sliding on the housing 11 and causing it to be separated from the housing 11.

Referring to Fig. 8 and Fig. 9, in order to enable the light in the light box 3 to irradiate to the front of the speaker in a wider range, the end face of the box seat 31 away from the speaker body 1 is inclined toward the side of the speaker body 1, and the box seat 31 is far away from the speaker body 1 in this application. The end face of one end of the speaker body 1 is inclined toward the front of the speaker body 1 and is inclined toward the upper end face of the speaker body 1 at the same time. The inclination angle is greater than or equal to 10°, less than or equal to 60°, preferably 45° in this application, so that the light box 3 The light inside can be more concentrated toward the front and top of the speaker to achieve a better lighting effect. If the light box 3 is installed on the upper end of the speaker body 1, the end face of the box seat 31 away from the end of the speaker body 1 is inclined towards the front of the speaker body 1, and the end face of the box seat 31 away from the end of the speaker body 1 can also be inclined towards the two ends of the speaker body 1.

Referring to Fig. 8 and Fig. 9, the light-emitting part 33 includes a light-emitting lamp board 331 and a refracting cover 332 arranged between the box base 31 and the light-transmitting lampshade 32. The end faces of the LED are arranged in parallel, and there are several lamp beads on it. The lamp beads are lamp beads of various colors, and there are at least two lamp beads of the same color, so that the light emitting part 33 emits lights of various colors. In this application, the lamp beads For LED lights. The colors of the lamp beads include but not limited to red, green, blue, white, pink, orange and other colors, and the lamp beads of different colors are staggeredly arranged on the light emitting lamp board 331 to make the light distribution in the light box 3 more uniform. The refraction cover 332 is used to refract the light emitted by the lamp beads. The refraction cover 332 is hemispherical in appearance, and there are several multi-deformation planes that are spliced with each other inside the refraction cover 332. The polygons in this application mainly include hexagons, rhombuses, and triangles. And rectangular, the outer surface of the refraction cover 332 is a circular arc surface, so that each polygon forms a small convex lens, and the angle of the light emitted by the lamp bead is changed by the principle of refraction of the light by the convex lens, so that the light scattered by the lamp bead passes through the refraction cover 332 Form a spot of light.

8 and 9, the drive part 34 is fixedly connected with the refraction cover 332 to drive the refraction cover 332 to rotate, and the light emitting lamp board 331 is fixedly arranged on the box seat 31; due to the special setting of the inner surface of the refraction cover 332, when the drive part 34 drives the refraction cover 332 to rotate, so that the light scattered by the light box 3 rotates and changes following the rotation of the driving part 34 . The driving part 34 includes a driving motor 341 and a connector 342 connecting the driving motor 341 and the refracting cover 332. In this application, the driving motor 341 is preferably a variable frequency motor, and the body of the driving motor 341 is fixedly arranged on the box seat 31 away from the light-emitting lamp board 331- On the side, the output shaft of the drive motor 341 passes through the box seat 31 and the light-emitting lamp board 331 and extends toward the refraction cover 332 , and the output shaft of the drive motor 341 is perpendicular to the light-emitting lamp board 331 . The connecting piece 342 includes a connecting shaft 3421 coaxially fixed on the output shaft of the driving motor 341 and a locking bolt 3422 threadedly connected to the end of the connecting shaft 3421 away from the driving motor 341. The cover 332 is fixedly connected to the connecting member 342, so that the refracting cover 332 is driven to rotate when the driving motor 341 rotates. In this application, the axis of the connection shaft 3421 is collinear with the diameter of the refraction cover 332 , and the connection shaft 3421 is arranged perpendicular to the open end surface of the refraction cover 332 .

In one embodiment, the driving part 34 can also be fixedly connected with the light emitting lamp board 331 to drive the light emitting lamp board 331 to rotate, and the refracting cover 332 is fixed on the box seat 31 or the light-transmitting lamp cover 32. When the driving part 34 drives the light emitting lamp When the plate 331 rotates, the light diffused by the light box 3 can also achieve the effect of changing rotation following the rotation of the driving part 34 . In the actual production process, the drive part 34 drives the refraction cover 331 to rotate, which is easier to realize and lower in production cost, so in this application, the drive mode in which the drive part 34 is fixedly connected to the refraction is preferred.

7 and 10, the housing 11 is provided with a control chamber 113 corresponding to the interface area 17. In this application, the control chamber 113 is separated by the isolation plate 16 in the housing 11, and the control chamber 113 is located between the first sound chamber 111 and the Between the second sound cavity 112 , each module of the control assembly 5 is mainly housed in the control cavity 113 . The control component 5 is used to transmit the audio signal input from the outside to the sound emitting element 4 for playback, and at the same time control the light box 3 to emit light according to the received audio signal. The control assembly 5 also includes a PCB board set, on which a main control module 52 , a signal receiving module 51 , a power amplifier module 53 , a light driving module 54 and a rotation driving module 55 are integrated. For the convenience of controlling the sound box, the control assembly 5 also includes a main control board 56 arranged on the sound box body 1, the main control board 56 is set corresponding to the control cavity 113, the main control board 56 is electrically connected with the main control module 52, and the main control Board 56 is provided with several control buttons. The control buttons include but are not limited to the switch button used to control the opening and closing of the speaker, the volume adjustment button used to adjust the playback volume of the speaker, the reverb button used to control the opening and closing of the reverberation function, and the lamp used to control the opening and closing of the lighting effect function effect master button, etc. The lighting effect master button is used to control the light driving module 54 and the rotation driving module 55. When the lighting effect master button is turned on and music is played, the light emitting part 33 and the driving part 34 on the light box 3 start synchronously. At the same time, the main control panel 56 is provided with status indicator lights corresponding to the switch button, the reverberation button and the lighting effect master control button one by one. The status indicator lights are used to indicate whether the corresponding control button is triggered. When the corresponding control button is triggered, The corresponding status indicator is on, and when the corresponding control button is not triggered, the corresponding status indicator is off.

Referring to Fig. 10, the main control module 52 is composed of a BP1048B2 main control chip and its peripheral circuits, and the BP1048B2 main control chip and its peripheral circuits are integrated and arranged on the PCB circuit board, in order to provide music accompaniment for the user when singing, and improve the user experience. The BP1048B2 main control chip of the main control module 52 has a built-in reverberation unit, and the reverberation unit is electrically connected to the signal receiving module 51, and is used to mix the audio signal input by the microphone 2 with the audio signal of the wireless input or the audio signal of the wired input. , and output the mixed audio signal to the power amplifier module 53. Due to the existence of the left sound channel and the right sound channel, there are two power amplifier modules 53, which are respectively electrically connected between the main control module 52 and the sound emitting element 4 located in the first sound chamber 111 and electrically connected between the main control module 52 and the sound emitting element 4 in the first sound chamber 111. It is located between the sound emitting elements 4 in the second sound cavity 112 .

Referring to Fig. 10, specifically, when the main control module 52 receives the reverberation instruction, the sound input by the microphone 2 is mixed with the built-in and input sound source through the reverberation unit, so that the listener can hear the sound of singing and the musical instrument Accompaniment sounds are combined to achieve a satisfying singing enjoyment.

Referring to Fig. 10 and Fig. 11, in order to enrich the diversification of audio signal access, the signal receiving module 51 includes a wired signal interface 511, a Bluetooth receiving unit 512 and a wireless microphone receiving unit 513, wherein the wired signal interface 511 includes several The interface for electrical connection, the type of interface includes USB interface, audio signal interface, HDMI interface, optical fiber interface and digital coaxial interface integrated on the PCB board group, several interfaces are integrated on the PCB board and the plug-in end of the interface runs through the speaker The main body 1 is conveniently connected with the corresponding interface by the interface line. For the convenience of the user to find the corresponding interface, several interfaces are arranged in the interface area 17,

Referring to Figure 10 and Figure 11, the Bluetooth receiving unit 512 includes a Bluetooth antenna electrically connected to the main control module 52, the user only needs to turn on the device with Bluetooth function, such as a mobile phone, PC or TV, etc. The audio data information on the device is transmitted to the speaker for processing and playback.

11 and 12, the wireless microphone receiving unit 513 includes a microphone receiving antenna and a microphone decoding module, wherein the microphone receiving antenna is used to receive the antenna signal sent by the microphone 2, and the microphone decoding module is used to decode the audio signal in the antenna signal And the audio signal obtained after decoding is transmitted to the main control module 52. In this application, the microphone decoding module includes a BK9522 wireless microphone chip with a built-in decoding function. The microphone 2 is provided with a transmitting antenna and a wireless transmitting IC that are compatible with the microphone receiving antenna. The wireless transmitting IC sends the audio signal through the transmitting antenna, and the speaker receives the antenna signal from the wireless transmitting IC through the microphone receiving antenna, and inputs the antenna signal To the microphone decoding module, the BK9522 wireless microphone chip with built-in decoding function decodes and outputs digital audio signals.

In order to ensure multiple microphones 2, the signal output by microphone 2 can be received by the sound box, the number of microphone receiving antennas and microphone decoding modules in the receiving unit of microphone 2 is equal to the number of microphones 2, and the number of microphones 2 in this application is two Therefore, the number of microphone receiving antennas and microphone decoding modules is two.

Referring to Fig. 11 and Fig. 13, the BP1048B2 main control chip of the main control module 52 also has a built-in audio processing unit, which is electrically connected to the signal receiving module 51 and the reverberation unit, and the audio processing unit is integrated with a DRC function for extracting audio signals and output the first control signal to the light driving module 54 and the second control signal to the rotation driving module 55 based on the rhythm signal. The BP1048B2 main control chip is electrically connected to several lamp beads in the light box 3 through the light driving module 54 to control the brightness and color change of the several lamp beads in the light box 3; the BP1048B2 main control chip is connected to the drive motor 341 Electrically connected to enable the drive motor 341 to start.

Specifically, the audio signal received by the audio processing unit includes the sound source input by the receiving module, such as the sound input by the microphone 2, the audio signal input by wireless, the audio signal input by cable, and the sound source input by the reverberation module; when the main control module 52. When the reverberation instruction is received, the reverberation unit performs reverberation processing on the received audio signal and outputs the reverberated audio signal to the audio processing unit. At this time, the audio processing unit receives the reverberated audio signal and Audio signal is carried out rhythm extraction; When master control module 52 did not receive reverberation instruction, audio processing unit received the sound of microphone 2 input or the audio signal of wireless input or the audio signal of wired input at this moment, and this audio signal is carried out Rhythm extraction. After the audio processing unit extracts the rhythm according to the audio signal it receives, and outputs the first control signal to the light driving module 54 and the second control signal to the rotation driving module 55 according to the energy value range of the extracted rhythm signal, the main control The module 52 drives the light driving module 54 to work through the first control signal to control the brightness and color of the lamp beads to change accordingly, and drives the rotation driving module 55 to work through the second control signal to control the driving motor 341 to rotate to achieve the effect of light flickering.

Referring to Fig. 10 and Fig. 11, in this application, there are two light boxes 3, and according to the audio signal, there are left channel sound and right channel sound. In order to ensure a better lighting atmosphere effect, the two light boxes 3 The light driving module 54 and the rotation driving module 55 are respectively controlled by the rhythm signal of the left channel and the rhythm signal of the right channel in the audio signal, the first control signal includes LED1-PWM signal and LED2-PWM signal, and the second control signal includes MD1 -PWM signal and MD2-PWM signal; in this application, the LED1-PWM signal corresponds to the light driver module 54 in the light box 3 on the left side of the speaker body 1, and the LED2-PWM signal corresponds to the light driver module in the light box 3 on the right side of the speaker body 1 54. The MD1-PWM signal corresponds to the rotary drive module 55 in the light box 3 on the left side of the speaker body 1, and the MD2-PWM signal corresponds to the rotary drive module 55 in the light box 3 on the right side of the speaker body 1.

Referring to Fig. 13 and Fig. 14, each light driving module 54 is a multi-channel light driving circuit electrically connected to the BP1048B2 main control chip. The light triode is an NPN type triode, and the collector and emitter of the light triode are connected in series between the power supply and the ground of the speaker. The light driving circuit is distinguished according to the color of the lamp bead, and the control electrode of the light triode is electrically connected to the BP1048B2 main control On the different output I/O pins of the chip, multiple lamp beads of the same color are connected in parallel and then set in series between the emitter of the light triode and the ground or between the collector of the light triode and the power supply of the speaker. BP1048B2 main control chip According to the audio rhythm signal, the output tube of the triode of the corresponding color is high, so that the corresponding light triode is turned on, so that the lamp bead of the corresponding color emits light.

Referring to Fig. 13 and Fig. 15, two rotation driving modules 55 are also electrically connected to the BP1048B2 main control chip. The rotation driving module 55 includes a motor triode, which is also an NPN type triode, and the collector and emitter of the motor triode are connected in series to Between the power supply of the speaker and the ground, the drive motor 341 is connected in series between the emitter of the motor triode and the ground or is set in series between the collector of the motor triode and the power supply of the speaker. When the motor triode outputs a high level, the corresponding motor triode is turned on, and the drive motor 341 connected in series with the triode starts.

Referring to Figure 11 and Figure 16, the audio processing unit transmits the processed audio signal to the power amplifier module 53, the sound is amplified by the power amplifier module 53 and then sent to the sound generating element 4 for playback. In this application, it is the BP1048B2 master chip through the power amplifier The module 53 is electrically connected with the sounding element 4, and the power amplifier module 53 can include a class D audio power amplifier chip and its peripheral circuits whose model is HT368. The audio power amplifier chip is connected with the two sounding elements 4 respectively, so that the left The channel audio signal is transmitted to the sound generating element 4 on the left side of the speaker body 1 for playback, and the right channel audio signal in the audio signal is transmitted to the sound emitting element 4 on the right side of the speaker body 1 for playback.

In one embodiment, in order to improve the convenience of each function control of the sound box, the microphone 2 is provided with a volume adjustment convenient button for adjusting the volume and a reverberation convenient button for controlling the opening and closing of the reverberation function. The ring convenience button has the same function as the volume adjustment button and the reverb button. When the corresponding button is triggered, the wireless transmitting IC in the microphone 2 converts the triggered control command into a U-segment signal, and transmits it to the microphone receiving antenna through the antenna. When the Macfa decoding module receives the U-segment signal, it decodes the received U-segment signal, and then transmits the decoded signal to the main control module 52 for corresponding output control.

In an embodiment, the speaker is also provided with an external audio output interface, which can connect the speaker to other audio equipment, such as a subwoofer unit, to achieve better sound effects in audio playback.

The working process of a multifunctional speaker in the embodiment of the present application is as follows: when the speaker is used as an ordinary audio appreciation and playback device, the speaker is turned on by turning on the switch button on the speaker, and the device that needs to transmit audio data to the speaker is turned on, so that the device The audio is transmitted to the speaker through wired or wireless, and played in the speaker. At the same time, the light effect function on the speaker can be turned on, so that the speaker can emit light synchronized with the music.

When the speaker is used as a playback device for singing or dancing, the speaker is turned on by turning on the switch button on the speaker, and the user inputs a voice signal to the microphone 2, and the microphone 2 converts the human voice into a current signal, and transmits the current signal wirelessly The IC is transmitted to the main control module 52; when the accompaniment is needed, by turning on the device that needs to transmit audio data to the speaker, the device outputs the song accompaniment to the speaker, and at the same time through the reverb convenient button on the microphone 2 or the mixer on the speaker body 1 Press the button to turn on the reverberation function of the speaker to improve the sound quality of the speaker output. According to the needs of the use scene, the light effect function on the speaker can be turned on through the light effect master button on the speaker body 1, so that the speaker can emit lights synchronized with the music.

All of the above are preferred embodiments of the present application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape and principle of the application should be covered by the protection scope of the application. Inside.

Claims (10)

A multifunctional sound box, comprising a sound box body (1), at least one sound emitting element (4) is arranged in the sound box body (1), and it is characterized in that: the sound box body (1) is provided with a microphone (2 ) housing (13); The sound box body (1) is connected with a light box (3), and the light box (3) is provided with a light emitting part (33) and a driving part (34), and the light emitting part (33) is used to emit at least one color lights, the driving part (34) is used to drive the light emitting part (33) to rotate; The speaker body (1) is provided with a control assembly (5), and the control assembly (5) includes: The signal receiving module (51), is used for receiving the audio signal of external input, and the audio signal of external input comprises the audio signal of microphone (2), the audio signal of wireless input and the audio signal of wired input; A main control module (52), configured to receive an audio signal and output an audio processing signal, a first control signal, and a second control signal based on the audio signal; The power amplifier module (53), electrically connected between the main control module (52) and the sounding element (4), is used to receive and amplify the audio processing signal and deliver it to the sounding element (4) for playback; The light driving module (54), electrically connected between the main control module (52) and the light emitting part (33), is used to receive the first control signal and control the light emitting of the light emitting part (33) based on the first control signal, so that the The light color and/or brightness of the light-emitting part (33) changes as the rhythm of the audio signal changes; The rotation drive module (55), electrically connected between the main control module (52) and the drive part (34), is used to receive the second control signal and control the rotation output of the drive part (34) based on the second control signal, so that the The rotation speed of the driving part (34) changes according to the change of the rhythm of the audio signal. A multifunctional sound box according to claim 1, characterized in that: the light box (3) includes a box seat (31) and a light-transmitting lampshade (32) arranged on the box seat (31), the box The seat (31) is fixedly connected with the speaker body (1), and the end face of the box seat (31) away from the end of the speaker body (1) is inclined towards the side of the speaker body (1). A multifunctional sound box according to claim 2, characterized in that: the light emitting part (33) includes a light emitting lamp board (331) and a refracting cover (332), the light-emitting lamp board (331) is provided with a number of lamp beads; polygonal plane, and the outer surface of the refraction cover (332) is an arc surface. The multifunctional sound box according to claim 3, characterized in that: the driving part (34) drives the refraction cover (332) to rotate. A kind of multifunctional sound box according to claim 1, is characterized in that: described main control module (52) comprises: The reverberation unit is electrically connected to the signal receiving module (51), and is used to mix the audio signal input by the microphone (2) and the audio signal input wirelessly or by cable, and output the mixed audio signal to the power amplifier module(53); The audio processing unit is electrically connected to the signal receiving module (51) and the reverberation unit, and is used to extract the rhythm signal of the audio signal and output the first control signal to the light driving module (54) and the second control signal to the lighting driver module (54) based on the rhythm signal respectively. Rotate drive module (55). A kind of multifunctional sound box according to claim 5, is characterized in that: described signal receiving module (51) comprises wired signal interface (511), bluetooth receiving unit (512) and wireless microphone (2) receiving unit; The wireless microphone (2) receiving unit includes a microphone (2) receiving antenna and a microphone (2) decoding module, the microphone (2) receiving antenna is used to receive the antenna signal sent by the wireless microphone (2), and the microphone (2) ) The decoding module is used to decode the audio signal in the antenna signal and transmit the decoded audio signal to the main control module (52). A multi-functional sound box according to claim 6, characterized in that: the control assembly (5) is wirelessly connected to the microphone (2), and the accommodating part (13) is provided with a charger for charging the microphone (2) contacts. A multifunctional sound box according to claim 1, characterized in that: the sound box body (1) includes a casing (11) and a tuning net (12) arranged on the casing (11), and the sound emitting The element (4) is fixedly arranged on the casing (11), and the sound output part of the sound-generating element (4) is set toward the side of the tuning net (12); the casing (11) is provided with a first sound cavity (111) and the second sound cavity (112), the first sound cavity (111) and the second sound cavity (112) are isolated from each other, and the sound emitting element (4) is an even number, and the sound emitting element (4) It is arranged in the first sound cavity (111) and the second sound cavity (112), and the number of sound emitting elements (4) in the first sound cavity (111) and the second sound cavity (112) is equal. A multifunctional sound box according to claim 8, characterized in that: there are two power amplifier modules (53), which are respectively electrically connected to the main control module (52) and the sound emitting module located in the first sound chamber (111). The elements (4) are electrically connected between the main control module (52) and the sound emitting element (4) located in the second sound chamber (112). A multi-functional sound box according to claim 8, characterized in that: at least two sets of suspension fasteners (14) are arranged at intervals along the length direction of the casing (11) away from the tuning net (12), The hanging fastener (14) includes a buckle (141) used to fix the housing (11) and a hook (142) snapped and fitted to the buckle (141), and the hook (142) is used to be fixed on the on the support.

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