CN209310172U - Air purifier with voice control function - Google Patents
Air purifier with voice control function Download PDFInfo
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- CN209310172U CN209310172U CN201822248890.4U CN201822248890U CN209310172U CN 209310172 U CN209310172 U CN 209310172U CN 201822248890 U CN201822248890 U CN 201822248890U CN 209310172 U CN209310172 U CN 209310172U
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Abstract
The utility model discloses one kind to have voice control, voice broadcast, internet is online and the air purifier of local audio and video playing function, which includes speech control module, speech reception module, transmission module, air purifier automatically controlled module and intelligence APP module；Voice interactive function can be passed through in the case where there is network environment, it realizes to clarifier operating status, running state parameter casting, online and local music plays and video playback capability, the voice command or inquiry message that can be issued simultaneously by the connection with Cloud Server according to user and user carry out the interaction of man-machine natural language, other than the control function of clarifier itself, the interaction of internet information and media can also be carried out.
Description
Technical field
This patent is related to a kind of air purifier with voice control function, more particularly to has interactive voice and view
Frequently, the intelligent air purifier of the functions such as music.
Background technique
Current air purifier function is many and diverse, but lacks a kind of with the production of the purification class of voice control and interactive function
Product, and presently, there are some similar products can only all identify simple functions (such as switching the response of simple phrase), use
Getting up has very big limitation, does not have through speech study function, has the complex control logic to air purifier class product.
It simultaneously by increase voice interactive function, can be combined with existing smart home, realize such as video playing,
The functions such as music assign richer content a simple life household electrical appliances.
The present inventor furthers investigate existing air purifier due to the above reasons, to one kind out to be designed
It is able to solve the air purifier of the above problem.
Utility model content
In order to overcome the above problem, present inventor has performed sharp studies, and designing one kind has voice control, and voice is broadcast
Report, internet is online and the air purifier of local audio and video playing function, which includes speech control module, voice
Receiving module, transmission module, air purifier automatically controlled module and intelligence APP module；It can be handed over by voice in the case where there is network environment
Mutual function realizes that running state parameter casting, online and local music plays and video playing function to clarifier operating status
Can, at the same the voice command or inquiry message that can be issued by the connection with Cloud Server according to user and user carry out it is man-machine oneself
The interaction of right language can also carry out the interaction of internet information and media other than the control function of clarifier itself, from
And complete the utility model.
Specifically, the purpose of this utility model is to provide a kind of air purifiers with voice control function, should
Clarifier includes speech control module, speech reception module and transmission module；
The speech control module includes control chip, is used to control the air purifier work according to the instruction received
Make,
The speech reception module includes loudspeaker 2, further includes the storage chip as internal audio signal unit and conduct
The microphone 1 of ambient sound acquisition unit；
It further include motor 3 and wind wheel 4 in the air purifier, the motor 3 is for controlling the rotation of wind wheel 4, in wind
Air duct 5 is provided with around wheel 4, the rotation of wind wheel 4 drives air to flow through air duct 5, so that air passes in and out the air purifier,
The microphone 1 is evenly arranged on 5 top of air duct, and 1 top of microphone is arranged in the loudspeaker 2,
The microphone 1 and loudspeaker 2 are both provided with multiple, and are uniformly distributed；
The microphone 1 is for receiving the ambient sound comprising clarifier internal sound and external object sound；
Clarifier internal audio signal is stored in the storage chip；
It is connected between the speech reception module and the control chip by physical conductors,
Clarifier internal audio signal is passed to control chip by the storage chip in the speech reception module,
Ambient sound is passed to control chip by the microphone 1 in the speech reception module；
The control chip can remove the letter of clarifier internal sound included in the ambient sound of the acquisition of microphone 1
Number, target audio signal can be isolated by the control core.
Wherein, which further includes speech recognition system,
The speech recognition system is connected with the control chip, is used to analyze semanteme；
The speech recognition system is to interrogate the speech recognition system flown on open platform.
Wherein, the speech recognition system is connected with the control chip by transmission module, or passes through physical conductors
It is connected.
Wherein, the transmission module includes Wi-Fi, bluetooth, one of Zigbee wireless transport module and serial communication
Or it is a variety of.
Wherein, which further includes vocal print module,
The vocal print module is connected with speech reception module, to judge the sound owner's that speech reception module receives
Permission；
The vocal print module is LD3220 speech recognition module.
Wherein, vocal print module can also carry out vocal print study, thus compatible a variety of dialects.
Wherein, the control chip is connected with loudspeaker 2,
, the sound of opposite in phase identical as internal audio frequency amplitude is issued by the loudspeaker 2.
Wherein, the control chip is connected with loudspeaker 2 by physical conductors,
, the sound of opposite in phase identical as internal audio frequency amplitude is issued by the loudspeaker 2.
Wherein, it is STM32F429ZE model chip that the control chip, which is chip MCU,.
Wherein, the storage chip as internal audio signal unit is MX25L12835E model storage chip.
Wherein, which further includes air purifier automatically controlled module, is used to for supply voltage being respectively converted into
Voltage required for the control chip, loudspeaker 2, storage chip, microphone 1 and motor 3, and power；
The concrete model of the air purifier automatically controlled module is HG-C-RA626A.
It is related to according to the air purifier provided by the utility model with voice control function a kind of according to Internet of Things mould
The big data of formula is simulated, and realizes the intelligent operation to clarifier by speech control system, while assigning clarifier new function
Can, so that it is had more the meaning of smart home.
Detailed description of the invention
Fig. 1 shows whole according to a kind of air purifier with voice control function of preferred embodiment of the utility model
Body structure flow chart；
Fig. 2 shows in the air purifier with voice control function according to a kind of preferred embodiment of the utility model
Portion's structural schematic diagram.
1- microphone
2- loudspeaker/loudspeaker
3- motor
4- wind wheel
The air duct 5-
Specific embodiment
The utility model is further described below by drawings and examples.Illustrated by these, this is practical new
The characteristics of type and advantage will become more apparent from clear.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the attached drawings
In terms of kind, but unless otherwise indicated, it is not necessary to attached drawing drawn to scale.
According to the air purifier provided by the utility model with voice control function, as shown in fig. 1, the clarifier
Including speech control module, the speech control module specifically includes control chip, speech reception module, transmission module, air
Clarifier automatically controlled module and intelligence APP module；
Speech control module is mounted on the top of air purifier, by controlling terminal, wireless signal transmitting module, Mike
The composition such as wind/loudspeaker can be realized by voice interactive function to clarifier operating status, operating status in the case where there is network environment
Parameter casting, online and local music plays and video playback capability, while can be by the connection with Cloud Server according to user
The voice command or inquiry message of sending and user carry out the interaction of man-machine natural language, in addition to the control function of clarifier itself
In addition, the interaction of internet information and media can also be carried out.
Intelligent APP module realizes phonetic incepting by network connection, and then controls transmission module and control clarifier,
The operating status of clarifier, called data and video capability choosing can be adjusted by the voice acceptance terminal of intelligent APP module simultaneously
It selects.
The i.e. described intelligence APP module is mounted in mobile phone, can be sent by intelligence APP module to air purifier
Control instruction, similar with the instruction directly issued by voice control function, can be converted into execution equipment can identify simultaneously
The specific instruction of execution.
The air purifier can realize the control to clarifier operating status by phonetic incepting and control transmission module, full
The intelligentized manipulation demand of foot.
Further, which is masking purification by wireless signal transmitting module and microphone matrix
While device noise effect itself, learns and identify voice messaging and be controlled and show, speech control system can be passed through
It realizes the information such as the casting of clarifier end music and air condition prompt, while section needed for video capability realization precisely selection can be passed through
Mesh and with television system arrange in pairs or groups use.
The utility model realizes that the phonetic incepting of clarifier controls by a kind of external object sound capturing unit and method
Transfer function.The speech reception module is exported internal audio signal for internal sound by the internal audio signal unit；
One or more ambient sound acquisition units, acquisition include the ambient sound of exported internal sound and external object sound,
And ambient sound collected is converted into environmental audio signal, include in the environmental audio signal interior is eliminated by comparing
Portion's audio signal, to isolate the audio signal of the target sound.The utility model provides a kind of comprising external object
Sound receives the air purifier of control transfer function.
Specifically, the speech reception module includes internal audio signal unit and ambient sound acquisition unit；It is described
Internal audio signal unit is storage chip；
It is stored with clarifier internal sound, i.e. internal audio signal in the internal audio signal unit, in the clarifier
Portion's audio signal can export in a voice form, i.e., export in the form of audio signal, also can be in the form of digital signal
Output；The clarifier internal audio signal refers to clarifier at work, its own noise audio signal that can be generated；
The ambient sound comprising clarifier internal sound and external object sound is obtained by the ambient sound acquisition unit
Sound, and ambient sound collected is converted into environmental audio signal；To may separate out target audio signal, i.e. external object
The audio signal of sound.
It is stored with the air purifier in the internal audio signal unit and generates noise under different operating power/gear
Audio signal, in air purifier work, which can transfer the work for knowing that air purifier is current
The rate of doing work/gear, to provide the noise audio signal that air purifier generates under the present situation；
Preferably, in first 10 minutes after air purifier is adjusted to any gear, can also real-time reception and record make an uproar
Sound audio signal is replaced compared with the noise audio signal wherein stored, and when differing greatly by collected signal
The signal of original storage, to adapt to increasing with service life, the problem of noise is gradually increased；
In first 10 minutes, cover in the voice signal that the ambient sound acquisition unit obtains with noise audio signal
Identical audio band is used for internal sound using the information of acoustic wave of the audio band therefrom extracted as noise audio signal
The update processing of information in frequency signal element；
After the completion of information update in internal audio signal unit is handled, remove the sound of ambient sound acquisition unit acquisition
The audio band identical with noise audio signal for including in sound signal so that receive and pass to transmission module or
It controlling and only has external voice in the voice signal of chip, no air purifier interior noise reduces the difficulty of subsequent voice recognition,
Improve the accuracy of voice recognition.
In one preferred embodiment, as shown in Figure 2, which includes microphone 1 and loudspeaker/loudspeaker
2, wherein microphone 1 is circumferentially uniformly distributed in the top of wind wheel, the loudspeaker/loudspeaker 2 be uniformly distributed circumferentially in
The top of microphone 1.The wind wheel is the power device of the hollow flow of air of air purifier, for guiding in air purifier
Air flowing.The microphone is a part of the ambient sound acquisition unit, and the loudspeaker/loudspeaker are for issuing language
Message breath, interacts with user.
Preferably, the microphone 1 and loudspeaker/loudspeaker 2 are all a part in the speech reception module, wherein wheat
Gram wind 1 is the important component of ambient sound acquisition unit, and the loudspeaker/loudspeaker 2 are used for active noise reduction and and user
Voice is linked up.
The air purifier is as shown in Figure 2, further includes motor 3, wind wheel 4, and motor 3 controls wind wheel rotation, wind wheel week
It encloses and is provided with air duct 5, drive air to flow through air duct after wind wheel rotation, so that air passes in and out air purifier, the Mike
Wind is evenly arranged on above air duct, and the top of microphone is arranged in the loudspeaker, is both provided with multiple, and is uniformly distributed.
Audio signal is acquired by the microphone 1.Internal audio signal unit provides the noise of air purifier generation
Then noise audio signal and ambient sound acquisition unit are obtained whole ambient sounds and are transferred to control core together by audio signal
At piece, the control chip is preferably chip MCU, is calculated by the comparison of chip MCU, and removal ambient sound acquisition unit obtains
Clarifier internal sound signal included in the ambient sound obtained, that is, may separate out target audio signal.
Preferably, the control chip is also referred to as controlling terminal, including the chip MCU, is also used to basis and receives
Instruction control the air purifier work；
In the preferred embodiment of the application, the storage chip is preferably the storage of MX25L12835E model
Chip, the MX25L12835E model storage chip are high-performance serial port Flash memory chip, memory capacity 128Mbit, read-write
Speed is fast, supports highest 104MHz reading speed, 8/16/32/64 byte burst type read mode is supported, when most fast 60ms is wiped
Between, low in energy consumption, when deep-sleep, only needs 40uA electric current, highest support 100,000 times it is erasable, according to specific when being convenient to every task
Operating noise update storage the noise audio signal in chip.
In the preferred embodiment of the application, the chip MCU is preferably STM32F429ZE model chip,
The chip of the STM32F429ZE model can be used as 32 high-performance microcontrollers based on ARM Cortex-M4 for kernel, main
Frequency 180MHz is integrated with monocycle DSP instruction and FPU Float Point Unit, can carry out the calculating and control of some complexity, IO connects
Mouth enriches (4 UART serial ports, 3 I2C interfaces, 6 SPI interfaces), with timer, RTC clock and PWM output, union
At LCD-TFT display controller, air purifier work can either be controlled according to the instruction received, additionally it is possible to meet and divide
Separate out the task needs of external object acoustic audio signal.
Preferably, which can also carry out noise reduction by the way of active noise reduction, i.e., the described internal audio frequency letter
Air purifier is stored in number unit and generates noise audio signal and noise amplitude under different operating power/gear, then is led to
Cross loudspeaker/loudspeaker 2 issue it is identical as noise audio amplitude, sound wave/sound of opposite in phase makes two sound waves offset each other,
User would not hear the noise sound that air purifier issues again.
Preferably due to which the noise that air purifier generates is with the extension of air purifier stream time and gradually
Increase, after air purifier stream time is more than a setting value, the corresponding amplitude for increasing noise, i.e., noise is big
Small increase increases by 1 decibel every time；The setting value is preferably 1 hour, i.e., increases by 1 decibel within each continuous work one hour, continuously
It works two hours, 2 decibels can be increased altogether naturally.
So in the outside output noise audio signal of the internal audio signal unit and noise level, in conjunction with current wind
The continuous working period of machine, makes amendment to the noise level of output, reasonably eliminates noise in order to more accurate.
Simultaneously because noise audio signal is actively eliminated in collected sound, so issuing for active noise reduction
Sound wave be also removed together, to will not influence subsequent speech recognition.
In one preferred embodiment, the intelligence APP module is interacted with Cloud Server, passes through the intelligence APP
Module obtains long-range weather forecast information, and then provides trip prompt；
Specifically, the intelligence APP module is automatically from the weather forecast downloaded in the following predetermined time in Cloud Server
Information, and shown optionally by display screen；It is related to during speech control module and user's interactive voice
When to Weather information, the speech control module transfers the weather forecast information automatically, and is provided in a manner of prompt of going on a journey
To user.
In one preferred embodiment, which further includes vocal print module,
The vocal print module is connected with speech reception module, to judge the sound owner's that speech reception module receives
Permission.The authority information of current vocal print is transmitted into the vocal print module by the intelligence APP module, it is more when continuously receiving
It is preferential to execute the high instruction of vocal print permission when the corresponding instruction of a vocal print；
Preferably, the concrete model of the vocal print module is LD3220 speech recognition module, by selecting the LD3220 language
Sound identification module executes Application on Voiceprint Recognition and works for compared to other known modules, and cost is lower, maturity and application degree
The basic demand of common kinsfolk's Application on Voiceprint Recognition can be met.
Preferably, the vocal print module setting beyond the clouds, after the speech reception module receives phonetic order information, is led to
The vocal print module that the phonetic order information is transmitted in cloud by transmission module is crossed, is passed again after via vocal print module analysis vocal print
To conversion module, after the conversion module is by carrying out sound differentiation separation and the conversion of audio signal, then pass through instruction conversion
Module converter is corresponding command signal, is transferred to corresponding control terminal by the serial port of Wi-Fi or equipment end；
Wherein, the vocal print module can select the existing modular platform such as such as Iflytek, Baidu's speech recognition platforms, by this
The phonetic study process of vocal print module identifies different vocal print wave bands.
In one preferred embodiment, speech control module includes speech reception module and transmission module, institute's predicate
Sound receiving module includes microphone matrix, and the transmission module includes wireless signal transmitting module；
The speech reception module is connect by the way that the i.e. ambient sound acquisition unit of microphone of position as shown in Figure 2 is arranged in
Corresponding voice messaging is received, is transferred after ability interior noise information filtering disposes noise further according to internal audio signal unit,
Obtained audio-frequency information passes to vocal print module, is knowing after voiceprint analysis through but not limited to Iflytek or Baidu's voice
Other system is analyzed and determined that i.e. semantic analysis obtains the control instruction of written form by instruction morphing module therein, i.e.,
Audio-frequency information is converted into text information, is further converted to digital signal, then control instruction is fed back into equipment end, i.e., instead
The specific execution unit fed on air purifier, such as speaker, power conditioning module, motor etc., equipment end is to according to corresponding
Communications protocol parsing after be converted into equipment operating instruction, to realize control of the voice to equipment end.
The speech recognition system specifically can choose to interrogate the speech recognition system flown on open platform, the speech recognition
System interactive is good, and operation is smooth, and speech recognition degree is high, can satisfy the demand that voice command identifies in the application.
The transmission module includes wireless signal transmitting module, specifically, can include but is not limited to Wi-Fi, bluetooth,
485 communications of the wireless transport modules such as Zigbee and equipment end and serial communication etc..The effect of transmission module is corresponding letter
Number by wired or be wirelessly transferred to equipment end or the end APP and realize control to equipment.
The voltage that the air purifier automatically controlled module is used to provide power supply is converted into modules in air purifier
Required voltage, and then electronic control module known in the art can be selected to modules power supply in air purifier respectively, it is excellent
The concrete model of selection of land, the air purifier automatically controlled module is HG-C-RA626A, and the air of the HG-C-RA626A model is net
Change control and relevant operational mode etc. that device automatically controlled module can effectively be compatible with clarifier itself, while being effectively compatible with vocal print
Identification and active noise reduction mechanism realize that the optimization of properties of product plays.
The speech recognition system for carrying out semantic analysis can be set inside the air purifier, also can be set
Cloud, it is highly preferred that inside the air purifier and cloud is both provided with the speech recognition system for being able to carry out semantic analysis
System carries out semantic analysis by the speech recognition system in cloud when the communication between air purifier and cloud is unimpeded, when
When communication between air purifier and cloud is unsmooth, language is carried out by the way that the speech recognition system inside air purifier is arranged in
Justice analysis, is arranged in the speech recognition system inside air purifier and is connected with the control chip by physical conductors.
When carrying out interactive voice with the air purifier, it is necessary first to specific word/title is called, as the air is net
Change the name etc. of device, air purifier when capturing the specific word/title, by speaker or loudspeaker issue exchange/
The voice messaging of reply, such as " you are me ", " what has " then again pass subsequently received voice messaging
It is delivered to cloud, Application on Voiceprint Recognition, semantic analysis and conversion is carried out, finally obtains control instruction, returns to specific execution equipment, by
It executes equipment and executes the specific instruction.
Experimental example:
It can preferably be identified simultaneously in order to illustrate the air purifier provided by the utility model with voice control function
Phonetic order is executed, there is the identification of higher phonetic order to execute accuracy rate, verified by comparative experiments；
Experimental example: it selects according to the air purifier provided by the utility model with voice control function, the air is net
Change in device and is provided with speech reception module described in the utility model, transmission module, air purifier automatically controlled module and intelligence
APP module, the air purifier can eliminate mixed air cleaning in the voice messaging received by speech reception module
Device itself noise, additionally it is possible to which active noise reduction is placed it under indoor environment with reducing the noise that user hears, work shape
State are as follows: after air purifier operation, speech reception module operates generated noise to motor, wind wheel in air purifier first
It is picked up, and after the pickup repeatedly of 1-10min weighted average, the corresponding noise of each gear/power is calculated, by this
Noise is converted into corresponding sound wave frequency range, and forms waveform signal, then by sending instructions under MCU at loudspeaker/loudspeaker, passes through
Loudspeaker/loudspeaker form and issue that amplitude is identical, sound wave of opposite in phase, thus effectively reduce blower operating generate it is extra
Noise.
Start to input 5 phonetic orders after ten minutes in its work, inputs 5 voices again after its work 80 minutes and refer to
It enables, inputs 5 phonetic orders again after its work 200 minutes, count the executive condition of each phonetic order respectively, opening should
The active noise reduction function of air purifier, and continue to monitor the noise level in the air cleaning；
Comparative example: in contrast than ground, under identical indoor environment, normal air clarifier in the prior art is set
And the intelligent sound box being attached thereto, set the air purifier initialization having the same in the air purifier and experimental example
State, which can control air purifier and other connected household electrical appliance by receiving voice messaging, by same
People respectively inputs 5 phonetic orders after work respectively after 10 minutes, 80 minutes and 200 minutes, count each phonetic order respectively
Executive condition, and continue to monitor the noise level in the air cleaning；
The phonetic order includes:
The booting when equipment is in standby: user: " 352 air purifier " is answered and " needs to open air purifier
? owner ", user " good ", answers " good, owner, clarifier has been opened "；
When needing that air quantity is turned up, user's " 352 air purifier " is answered " what has, and I can help yours, owner ", is used
Person " present air? ", answer that " current interior PM2.5 concentration is xx μ g/m3, air quality slight pollution, at present outdoor air
Does quality have the tendency that continuous worsening, needs for your fast purification? owner ", user " good ", answers " it is expected that being you after 20min
Complete fast purification, owner ", user " good "；
Forecast trip prompt: user's " 352 air purifier " answers " what's the matter, owner ", user " I with removing xx
Travelling, what's the matter for that local weather ", answer " owner, I from big data platform obtain you go on a journey ground weather conditions be
Xxxxxx ", user " good ".
Obtained statistical result is as follows:
Air quantity+instruction, which refers to, improves air quantity instruction, and air quantity-instruction, which refers to, reduces air quantity instruction, and the Y in practice condition refers to
Correct to execute task, the N expression in practice condition fails correct execution task.
By the comparison of above-mentioned experimental example and comparative example it is found that the air provided by the present application with voice control function is net
Changing device can more precisely understand, execute phonetic order, and the noise of air cleaning is extremely low, and reaching can be neglected by user
Degree slightly；
In the comparative example, due to needing the transmitting by intelligent sound box, transmittance process is more complicated, what is be repeatedly not carried out
In phonetic order, be at least once because of the reason of network fluctuation caused by phonetic order be not carried out, the languages that are not carried out of others
In sound instruction, major part causes speech recognition inaccurate, it is corresponding to fail accurate judgement phonetic order because of the influence of the factors such as noise
Digital Signals instruction.
It combines preferred embodiment above the utility model is illustrated, but these embodiments are only models
Example property, only play the role of illustrative.On this basis, a variety of replacements and improvement can be carried out to the utility model, these
It each falls in the protection scope of the utility model.
Claims (10)
1. a kind of air purifier with voice control function, which is characterized in that the clarifier includes speech control module, language
Sound receiving module and transmission module；
The speech control module includes control chip, is used to control air purifier work according to the instruction received,
The speech reception module includes loudspeaker (2), further includes the storage chip as internal audio signal unit, and as ring
The microphone (1) of border sound collection unit；
It further include motor (3) and wind wheel (4) in the air purifier, the motor (3) rotates for controlling wind wheel (4),
It is provided with around wind wheel (4) air duct (5), wind wheel (4) rotation drives air to flow through air duct (5), so that air disengaging should
Air purifier,
The microphone (1) is evenly arranged on above air duct (5), and the loudspeaker (2) are arranged in above (1) of microphone,
The microphone (1) is for receiving the ambient sound comprising clarifier internal sound and external object sound；
Clarifier internal audio signal is stored in the storage chip；
It is connected between the speech reception module and the control chip by physical conductors,
Clarifier internal audio signal is passed to control chip by the storage chip in the speech reception module,
Ambient sound is passed to control chip by the microphone (1) in the speech reception module；
The control chip can remove clarifier internal sound signal included in the ambient sound of microphone (1) acquisition,
Target audio signal can be isolated by the control core.
2. the air purifier according to claim 1 with voice control function, which is characterized in that
The air purifier further includes speech recognition system,
The speech recognition system is connected with the control chip, is used to analyze semanteme；
The speech recognition system is to interrogate the speech recognition system flown on open platform.
3. the air purifier according to claim 2 with voice control function, which is characterized in that
The speech recognition system is connected with the control chip by transmission module, or is connected by physical conductors.
4. the air purifier according to claim 3 with voice control function, which is characterized in that
The transmission module includes Wi-Fi, bluetooth, one of Zigbee wireless transport module and serial communication or a variety of.
5. the air purifier according to claim 1 with voice control function, which is characterized in that
The clarifier further includes vocal print module,
The vocal print module is connected with speech reception module, to judge the power for the sound owner that speech reception module receives
Limit；
The vocal print module is LD3220 speech recognition module.
6. the air purifier according to claim 5 with voice control function, which is characterized in that
Vocal print module can also carry out vocal print study, thus compatible a variety of dialects.
7. the air purifier according to claim 1 with voice control function, which is characterized in that the control chip
It is connected with loudspeaker (2) by physical conductors,
, the sound of opposite in phase identical as internal audio frequency amplitude is issued by the loudspeaker (2).
8. the air purifier according to claim 1 with voice control function, which is characterized in that
It is STM32F429ZE model chip that the control chip, which is chip MCU,.
9. the air purifier according to claim 1 with voice control function, which is characterized in that
The storage chip as internal audio signal unit is MX25L12835E model storage chip.
10. the air purifier according to claim 1 with voice control function, which is characterized in that
The air purifier further includes air purifier automatically controlled module, is used to for supply voltage to be respectively converted into the control core
Voltage required for piece, loudspeaker (2), storage chip, microphone (1) and motor (3), and power；
The concrete model of the air purifier automatically controlled module is HG-C-RA626A.
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| CN110762728A (en) * | 2019-09-23 | 2020-02-07 | 宁波奥克斯电气股份有限公司 | Indoor air conditioner simulation noise reduction control method and indoor air conditioner |
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| CN110164425A (en) * | 2019-05-29 | 2019-08-23 | 北京声智科技有限公司 | A kind of noise-reduction method, device and the equipment that can realize noise reduction |
| CN110207318B (en) * | 2019-06-10 | 2020-09-08 | 吴赵东 | Voice-controlled air purification robot |
| CN110414014B (en) * | 2019-08-05 | 2020-12-04 | 珠海格力电器股份有限公司 | Voice equipment control method and device, storage medium and voice equipment |
| CN110473541A (en) * | 2019-09-02 | 2019-11-19 | 广州番禺巨大汽车音响设备有限公司 | A kind of sound equipment Alexa sound control method and system based on artificial intelligence |
| CN111306709B (en) * | 2020-01-20 | 2021-09-07 | 海信视像科技股份有限公司 | Air conditioner |
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| CN204678488U (en) * | 2015-02-13 | 2015-09-30 | 北京佳艺徕经贸有限责任公司 | Intelligent multimedia air cleaning system |
| CN107477793A (en) * | 2017-08-23 | 2017-12-15 | 绵阳美菱软件技术有限公司 | A kind of air purifier, control system of air purifier and method |
| CN107655092A (en) * | 2017-09-30 | 2018-02-02 | 刘财 | Multifunctional main dynamic formula intelligent air adjusts purifying robot |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110762728A (en) * | 2019-09-23 | 2020-02-07 | 宁波奥克斯电气股份有限公司 | Indoor air conditioner simulation noise reduction control method and indoor air conditioner |
| CN113976300A (en) * | 2021-10-26 | 2022-01-28 | 芜湖职业技术学院 | Intelligent system control method for pulverizer |
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| CN109737521A (en) | 2019-05-10 |
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