WO2022261935A1 - Haut-parleur multifonctionnel - Google Patents

Haut-parleur multifonctionnel Download PDF

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Publication number
WO2022261935A1
WO2022261935A1 PCT/CN2021/100893 CN2021100893W WO2022261935A1 WO 2022261935 A1 WO2022261935 A1 WO 2022261935A1 CN 2021100893 W CN2021100893 W CN 2021100893W WO 2022261935 A1 WO2022261935 A1 WO 2022261935A1
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WO
WIPO (PCT)
Prior art keywords
sound
module
signal
light
microphone
Prior art date
Application number
PCT/CN2021/100893
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English (en)
Chinese (zh)
Inventor
王沛
Original Assignee
深圳市乐百川科技有限公司
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Filing date
Publication date
Application filed by 深圳市乐百川科技有限公司 filed Critical 深圳市乐百川科技有限公司
Priority to PCT/CN2021/100893 priority Critical patent/WO2022261935A1/fr
Publication of WO2022261935A1 publication Critical patent/WO2022261935A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics

Definitions

  • the present application relates to the field of audio equipment, in particular to a multifunctional sound box.
  • 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.
  • 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.
  • 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.
  • the driving part drives the refraction cover to rotate.
  • 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.
  • 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.
  • control component is wirelessly connected with the microphone, and the accommodating part is provided with a charging contact for charging the microphone.
  • 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.
  • 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.
  • 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.
  • the present application includes at least one of the following beneficial technical effects:
  • the microphone 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;
  • the speaker has a reverberation effect, which can provide music accompaniment for the audio signal input through the microphone;
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the side on which the housing 11 is provided with the tuning net 12 is the front of the sound box
  • the side on which the housing 11 is provided with the accommodation portion 13 is the upper end surface of the sound box
  • 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 .
  • 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 .
  • the speaker body 1 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the gap between the sound emitting element 4 and the passive diaphragm 6 after installation is sealed with soft glue.
  • the two light boxes 3 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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 .
  • 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.
  • the driving part 34 drives the light emitting lamp
  • 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 .
  • 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.
  • the housing 11 is provided with a control chamber 113 corresponding to the interface area 17.
  • 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.
  • 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.
  • 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.
  • the corresponding status indicator is on, and when the corresponding control button is not triggered, the corresponding status indicator is off.
  • 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.
  • 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 .
  • the main control module 52 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.
  • 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,
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • the reverberation unit performs reverberation processing on the received audio signal and outputs the reverberated audio signal to the audio processing unit.
  • the audio processing unit receives the reverberated audio signal and Audio signal is carried out rhythm extraction;
  • 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.
  • 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.
  • 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
  • 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.
  • 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.
  • 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.
  • 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.
  • the power amplifier 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.
  • 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.
  • 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.
  • an external audio output interface 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.
  • the speaker 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.
  • 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.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

La présente demande concerne un haut-parleur multifonctionnel, comprenant un corps de haut-parleur. Au moins un élément de génération de son est disposé dans le corps de haut-parleur. Le corps de haut-parleur est pourvu d'une partie de réception pour placer un microphone. Une boîte d'éclairage est reliée au corps de haut-parleur, une partie d'émission de lumière et une partie d'entraînement disposée dans la boîte d'éclairage, la partie d'émission de lumière étant utilisée pour émettre au moins une couleur de lumière, et la partie d'entraînement étant utilisée pour entraîner la partie d'émission de lumière en rotation. Le corps de haut-parleur est pourvu d'un ensemble de commande, qui comprend un module de réception de signal, un module de commande principal, un module d'amplification de puissance, un module d'entraînement de lumière et un module d'entraînement en rotation. La présente invention présente de multiples fonctions, telles que la réception et le placement d'un microphone, et des effets d'éclairage, ce qui a pour effet de satisfaire diverses exigences d'utilisateurs.
PCT/CN2021/100893 2021-06-18 2021-06-18 Haut-parleur multifonctionnel WO2022261935A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/100893 WO2022261935A1 (fr) 2021-06-18 2021-06-18 Haut-parleur multifonctionnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2021/100893 WO2022261935A1 (fr) 2021-06-18 2021-06-18 Haut-parleur multifonctionnel

Publications (1)

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WO2022261935A1 true WO2022261935A1 (fr) 2022-12-22

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WO (1) WO2022261935A1 (fr)

Citations (9)

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CN105578640A (zh) * 2015-12-15 2016-05-11 武良举 基于音频的灯具控制系统、装置和控制方法及其应用
CN205265891U (zh) * 2015-10-14 2016-05-25 深圳市鼎世嘉电子礼品有限公司 一种舞台闪光电路以及包含该电路的迷你蓝牙音箱
TWM547804U (zh) * 2017-05-04 2017-08-21 zhao-yi Chen 具聲光效果可攜式音樂裝置
CN206596159U (zh) * 2017-03-16 2017-10-27 冉红梅 一种带舞台灯光效果的麦克风
CN209562774U (zh) * 2019-03-05 2019-10-29 宿迁学院 一种便于户外活动用的蓝牙音箱
CN210777819U (zh) * 2019-08-03 2020-06-16 赵天福 一种多功能无线录音直播卡拉ok蓝牙音响舞台灯
CN111557548A (zh) * 2020-06-15 2020-08-21 佛山市迪赛纳科技有限公司 一种声控发光电竞桌
CN112118512A (zh) * 2019-06-21 2020-12-22 北京声智科技有限公司 一种音箱

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100192753A1 (en) * 2007-06-29 2010-08-05 Multak Technology Development Co., Ltd Karaoke apparatus
CN205265891U (zh) * 2015-10-14 2016-05-25 深圳市鼎世嘉电子礼品有限公司 一种舞台闪光电路以及包含该电路的迷你蓝牙音箱
CN105578640A (zh) * 2015-12-15 2016-05-11 武良举 基于音频的灯具控制系统、装置和控制方法及其应用
CN206596159U (zh) * 2017-03-16 2017-10-27 冉红梅 一种带舞台灯光效果的麦克风
TWM547804U (zh) * 2017-05-04 2017-08-21 zhao-yi Chen 具聲光效果可攜式音樂裝置
CN209562774U (zh) * 2019-03-05 2019-10-29 宿迁学院 一种便于户外活动用的蓝牙音箱
CN112118512A (zh) * 2019-06-21 2020-12-22 北京声智科技有限公司 一种音箱
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CN111557548A (zh) * 2020-06-15 2020-08-21 佛山市迪赛纳科技有限公司 一种声控发光电竞桌

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