CN213280067U

CN213280067U - Wireless WIFI-based noise reduction digital sound box

Info

Publication number: CN213280067U
Application number: CN202022136757.7U
Authority: CN
Inventors: 李明江
Original assignee: Yibin Mingjiang Audio Equipment Co ltd
Current assignee: Yibin Mingjiang Audio Equipment Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-05-25
Anticipated expiration: 2030-09-25

Abstract

The utility model discloses a noise reduction digital sound box based on wireless WIFI, which comprises a control system, a voice input module, a processing module, a status indicator lamp module and a wireless charging module; the control system comprises a control processor, a storage module, a first communication module and a second communication module, the state indicator lamp module comprises an indicator lamp control circuit and a multicolor indicator lamp, the wireless charging module comprises a wireless charging management circuit, a wireless charging control chip, a wireless receiving coil and a rechargeable battery, and the first communication module is in network connection with the second communication module. Through the design, voice interaction between the loudspeaker box and a user and wireless charging of the loudspeaker box are realized, and the intelligent requirement of the user on the loudspeaker box is met.

Description

Wireless WIFI-based noise reduction digital sound box

Technical Field

The utility model relates to an audio amplifier field especially relates to a digital audio amplifier of making an uproar falls based on wireless WIFI.

Background

The research of the intelligent voice technology is started from the voice recognition technology, and along with the development of the information technology, the intelligent voice technology becomes the most convenient and effective means for people to acquire and communicate information; as a pronoun of an era, artificial intelligence attracts attention, wherein the combination of smart homes and smart voices has a natural entrance advantage, and the most representative product of the carriers of the smart voices is a smart speaker. With the improvement of living standard and the acceleration of life rhythm, people begin to enjoy life after working, and need to listen to music anytime and anywhere.

The granted utility model has application number CN201822112113.7, and the patent name is an intelligent sound box, which comprises a body, a detachable power plug arranged outside the body, and a switching power supply module, a charging management module and a lithium battery which are arranged in the body, wherein the detachable power plug is used for being inserted into a power supply port to supply power to the intelligent sound box through the power supply port; the charging management module is connected with the switching power supply module and used for charging a lithium battery of the intelligent sound box when the detachable power supply plug is inserted into the power supply port; the lithium battery is connected with the charging management module and used for providing electric energy for the intelligent sound box when the detachable power plug is not inserted into the power supply port. The utility model discloses a through set up in intelligent audio amplifier body outside and to dismantle power plug and internal connection switching power module, charge management module and lithium cell, realized the effect that portable everywhere used.

However, above-mentioned scheme still has these some problems, and at first, the external power plug that can dismantle charges, and the charge time is long, and the charging wire is difficult to arrange in order, receive and release, also does not set up electric quantity state indicator during charging, can not in time monitor the electric quantity, and secondly, this utility model has only described the module of charging, and the audio amplifier does not possess other intelligent functions.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a digital audio amplifier of making an uproar falls based on wireless WIFI for solve the technical problem that exists among the prior art, at first, external power plug that can dismantle charges, charge time is long, and the charging wire is difficult for the arrangement, receive and releases, also does not set up the battery status indicator lamp during charging, can not in time monitor the electric quantity, secondly, this utility model has only described the module of charging, and the audio amplifier does not possess other intelligent functions.

The utility model aims at realizing through the following technical scheme:

a noise reduction digital sound box based on wireless WIFI comprises a control system, a voice input module, a processing module, a state indicator lamp module and a wireless charging module;

the control system comprises a control processor, a storage module, a first communication module and a second communication module, wherein the storage module, the first communication module and the second communication module are respectively connected with the control processor, the voice input module is connected with the first communication module, and the processing module is connected with the second communication module;

the state indicator lamp module comprises an indicator lamp control circuit and a multi-color indicator lamp, the indicator lamp control circuit is connected with the multi-color indicator lamp, and the indicator lamp control circuit is connected with the control processor;

the wireless charging module comprises a wireless charging management circuit, a wireless charging control chip, a wireless receiving coil and a rechargeable battery, the wireless charging management circuit, the wireless charging control chip and the wireless receiving coil are sequentially connected, the wireless charging management circuit is connected with the control processor, and the rechargeable battery is connected with the wireless charging management circuit.

Further, the voice input module comprises two arrays of microphones, and the microphones of the two arrays are respectively a first microphone and a second microphone.

Furthermore, the first microphone is arranged in a first position area, the second microphone is arranged in a second position area, and the first position area and the second position area are arranged on the same side of the sound box and do not have an overlapping area.

Furthermore, the processing module comprises a conversion unit, a noise reduction unit, an integration unit and an identification unit, the conversion unit, the noise reduction unit, the integration unit and the identification unit are sequentially connected, the conversion unit is connected with the second communication module, and the identification unit is connected with the sound box body.

Further, the first communication module and the second communication module are both wireless communication modules.

Further, the control processor is an ARM processor.

Further, the rechargeable battery is a lithium battery.

Furthermore, the wireless receiving coil is matched with the loudspeaker box main body for use, and a Hall sensor for controlling the starting of the wireless receiving coil is arranged in the charging base.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model relates to a digital audio amplifier of making an uproar falls based on wireless WIFI through the setting of wireless charging module, has realized falling the wireless charging of the audio amplifier intelligence of making an uproar, has set up the status indicator lamp simultaneously, is convenient for monitor the charged state, and is more intelligent.

2. The utility model relates to a digital audio amplifier of making an uproar falls based on wireless WIFI, through the setting of speech input module and processing module, realized the voice interaction of user with the audio amplifier, satisfied the intelligent demand of user to the audio amplifier, speech processing module adopts the microphone of two sets of arrays, has increased the scope that the audio frequency was gathered, has certain noise reduction effect simultaneously.

Drawings

FIG. 1 is an overall system diagram of the present invention;

fig. 2 is a block diagram of the processing module system of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The working principle of the scheme is briefly described as follows:

when the microphone is used, a user inputs audio signals to the sound box through the microphone. The method comprises the steps that a first microphone is arranged and used for collecting audio signals in a first position area, a second microphone is arranged and used for collecting audio signals in a second position area, the collected audio signals are transmitted to a control processor through a first communication module, the first microphone and the second microphone are arranged, the collected audio signals are more accurate and comprehensive, meanwhile, a corresponding noise reduction effect is arranged in an array mode, the control processor transmits the audio information to a processing module, the processing module firstly converts the two audio signals into digital signals and carries out noise reduction processing, then integrates the two audio signals, identifies the integrated audio signals, matches the identified semantics with preset semantics to obtain matched semantics and corresponding control instructions, and the control instructions are control instructions corresponding to the integrated audio signals. The control instruction is used for controlling the sound box body to execute corresponding operations, such as: the control instruction can trigger a 'next song' instruction on the sound box body to enable the sound box to play a next song of the current song; the control instruction can trigger a pause instruction on the sound box body to enable the sound box to pause the playing of the current song; the control instruction can reduce the volume of the music played by the sound box unless the 'volume reduction' instruction on the sound box body is detected; other execution instructions can be correspondingly triggered to execute corresponding actions, so that the sound box can provide various control strategies for users, the intelligent degree is higher, and the user experience degree is further improved.

Meanwhile, the utility model can also carry out wireless charging, when the electric quantity of the sound box is too low, the state indicator lamp can twinkle red light, at the moment, a user needs to place the sound box body on a charging base matched with the sound box, a wireless charging emitter on the charging base is started to generate electromagnetic energy, a wireless charging coil on the sound box body converts the electromagnetic energy provided by the wireless charging generator into alternating electric signals, the management control is carried out through a wireless charging control chip, the state indicator lamp twinkles green light after the battery is charged, meanwhile, a Hall sensor for controlling the twinkling wireless charging emitter to be started is also arranged in the charging base, a magnetic block matched with the sensor is arranged in the sound box body, only when the Ardisia sound box is placed on the wireless charger, the color jade Hall sensor of the magnetic block generates reaction, the wireless charging emitter is started, so that, the electric quantity monitoring is more direct, and the electric energy is saved.

The state indicating module and the like are used for displaying the working state of the wireless charger, displaying a green light when charging is completed, displaying a red light when the electric quantity is less than 20%, and displaying a yellow light when charging exceeds 20%. The wireless charging module is used for providing power for normal operation of the whole sound box system, the storage module is used for storing received control instructions and audio data and storing identity information, sound box use habit information, user sound box use habits, position confidence and the like of a user, particularly relevant information of the voice instructions, the storage module comprises a memory and an expandable external memory which are electrically connected with the control processor, and a clamping groove is reserved for the external plug-in expansion card by the expandable external memory for storing or reading data on the external plug-in expansion card. The voice input module is used for inputting a user instruction, and the processing module is used for identifying the user instruction.

Furthermore, the microphones of the two arrays of the voice input module are respectively a first microphone and a second microphone, the first microphone is arranged and used for collecting audio signals in a first position area, the second microphone is arranged and used for collecting audio signals in a second position area, the collected audio signals are transmitted to the control processor through the first communication module, the first microphone is arranged in the first position area, the second microphone is arranged in the second position area, the first position area and the second position area are located in different positions on the same plane, no overlapping area exists, the collected audio signals are more accurate and comprehensive, and meanwhile the array arrangement has a corresponding noise reduction effect.

Further, the processing module includes a conversion unit, a noise reduction unit, an integration unit and an identification unit, the conversion unit, the noise reduction unit, the integration unit and the identification unit are sequentially connected, the conversion unit is connected with the second communication module, the identification unit is connected with the sound box body and is used for converting two audio signals into digital signals, the noise reduction unit is used for reducing noise in the digital signals and preventing distortion of collected audio information, the integration unit is used for integrating the two converted audio signals into one signal and reducing distortion through comparison and integration, the identification unit is used for converting the collected audio information into a recognizable voice instruction and matching the recognizable voice instruction with a preset voice instruction to obtain a control instruction, and the sound box is controlled to execute corresponding operation.

Furthermore, the control processor adopts an ARM processor, so that the size is small, the power consumption is low, the cost is low, and the performance is high; the method supports a Thumb (16 bits)/ARM (32 bits) double instruction set, and can be well compatible with 8 bits/16 bits devices; the instruction execution speed is higher due to the fact that a large number of registers are used; most data operations are done in registers; the addressing mode is flexible and simple, and the execution efficiency is high; the instruction length is fixed, and the like.

Furthermore, the rechargeable battery is a lithium battery which has the characteristics of high specific energy, long cycle life, wide working temperature range and the like, and is more economical and practical.

Further, still include the wireless charging base who uses with the audio amplifier main part cooperation, be equipped with control in the charging base the hall sensor that wireless receiving coil started, only when the audio amplifier main part is placed on wireless charging base, the hall sensor on the wireless charger just can produce the response with the magnetic path that the audio amplifier bottom set up, and wireless transmitter just can open, is provided with like this and benefits in getting of audio amplifier main part and puts, and wireless charger also is in operating condition before having avoided the audio amplifier main part to place.

The voice input module, the first communication module, the second communication module, the rechargeable battery, the processing module, the storage module and the like in the scheme are common circuits or objects in the prior art, the innovation of the scheme is not in a single circuit, but the voice control, wireless charging and state display of the sound box are realized by the cooperation of the plurality of modules and the circuits, and the intelligent requirement of a user on the sound box is met.

The foregoing is illustrative of the preferred embodiments of the present invention, and it is to be understood that the invention is not limited to the precise forms disclosed herein, and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the invention as defined by the appended claims. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A noise reduction digital sound box based on wireless WIFI is characterized by comprising a control system, a voice input module, a processing module, a state indicator lamp module and a wireless charging module;

2. The WIFI-based noise reduction digital speaker of claim 1, wherein the voice input module includes two arrays of microphones, the two arrays of microphones are a first microphone and a second microphone respectively.

3. The WIFI-based noise reduction digital sound box of claim 2, wherein the first microphone is disposed in a first position area, the second microphone is disposed in a second position area, and the first position area and the second position area are disposed on the same side of the sound box and do not have an overlapping area.

4. The WIFI-based noise reduction digital sound box according to claim 1, wherein the processing module comprises a conversion unit, a noise reduction unit, an integration unit and an identification unit, the conversion unit, the noise reduction unit, the integration unit and the identification unit are sequentially connected, the conversion unit is connected with the second communication module, and the identification unit is connected with the sound box body.

5. The WIFI-based noise reduction digital sound box according to claim 1, wherein the first communication module and the second communication module are both wireless communication modules.

6. The WIFI-based noise reduction digital speaker of claim 1, wherein the control processor is an ARM processor.

7. The WIFI-based noise reduction digital sound box according to claim 1, wherein the rechargeable battery is a lithium battery.

8. The WIFI-based noise reduction digital sound box according to claim 1, further comprising a wireless charging base matched with the sound box main body for use, wherein a Hall sensor for controlling the wireless receiving coil to start is arranged in the charging base.