CN208671125U - A kind of refrigerator and its control device of speech recognition - Google Patents
A kind of refrigerator and its control device of speech recognition Download PDFInfo
- Publication number
- CN208671125U CN208671125U CN201820929835.9U CN201820929835U CN208671125U CN 208671125 U CN208671125 U CN 208671125U CN 201820929835 U CN201820929835 U CN 201820929835U CN 208671125 U CN208671125 U CN 208671125U
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- refrigerator
- electrically connected
- speech recognition
- control device
- fixedly installed
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Abstract
The utility model discloses a kind of refrigerator of speech recognition and its control devices, including refrigerator body, the refrigerator body interior side is fixedly installed refrigerator main control board, the refrigerator main control board is electrically connected with orientation reducing noise of voice controller, the orientation reducing noise of voice controller is electrically connected with human testing unit, human testing unit side is fixedly installed microphone array, the microphone array and orientation reducing noise of voice controller are electrically connected, the refrigerator body includes refrigeration pipeline, air door of air duct, compressor, cooling blower, evaporator and defrosting system, the refrigeration pipeline interior side is fixedly installed pipeline electromagnetic valve, the utility model relates to acoustic control field of household appliances technical fields.The refrigerator and its control device of the speech recognition, manufacture installation cost it is lower, sound detection direction is comprehensive, can determine that issue at the appointed time voice control just it is effective, have extremely low false triggering rate.
Description
Technical field
The utility model relates to acoustic control field of household appliances technical field, the refrigerator and its control dress of specially a kind of speech recognition
It sets.
Background technique
With the development of information technology, the interactive mode between user and household electrical appliances is more and more abundant, and voice control technology exists
It quickly grew in recent years, and is filled with new vitality for household electric appliances, refrigerator is as indivisible one in traditional home appliance
Point, more convenient, efficient service can be provided for user in conjunction with voice control.
The utility model provides the new way of voice control, the man machine language of realization it is intended that common computer control refrigerator
Interaction, is liberated the both hands of user, is identified using the detection mode of nonspecific voice to the user instruction of different accents, in conjunction with
Human testing, voice, which wake up word and orient decrease of noise functions, reduces the false triggering of phonetic order.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides the refrigerator and its control device of a kind of speech recognition, solution
Voice control refrigerator manufacturing cost in the prior art of having determined is high, the problem of decrease of noise functions deficiency.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of refrigerator of speech recognition
And its control device, including refrigerator body, the refrigerator body interior side be fixedly installed refrigerator main control board, the ice
Case main control board is electrically connected with orientation reducing noise of voice controller, and the orientation reducing noise of voice controller is electrically connected with human body
Detection unit, human testing unit side are fixedly installed microphone array, the microphone array and orientation noise reduction language
Sound controller is electrically connected.
Preferably, the refrigerator body includes refrigeration pipeline, air door of air duct, compressor, cooling blower, evaporator and defrost
System, the refrigeration pipeline interior side are fixedly installed pipeline electromagnetic valve.
Preferably, the orientation reducing noise of voice controller includes MCU processor, and the MCU processor, which is electrically connected with, to be seen
Door dog circuit, the watchdog circuit are electrically connected with telecommunication circuit, and the telecommunication circuit is electrically connected with memory cell, institute
It states telecommunication circuit and is electrically connected with broadcast loudspeaker.
Preferably, the human testing unit includes human body detection sensor, and the human body detection sensor is electrically connected
There is operational amplification circuit, the operational amplification circuit is electrically connected with signal threshold value modulation circuit.
Preferably, the microphone array includes four towards different microphones, and described four towards different Mikes
Wind is electrically connected with microphone filter circuit.
(3) beneficial effect
The utility model provides the refrigerator and its control device of a kind of speech recognition, have it is following the utility model has the advantages that
(1), the refrigerator and its control device of the speech recognition, detects human body by human body sensor and microphone array
It approaches and makes a sound, noise reduction post analysis is oriented to sound and extracts characteristic value in sound, it will be in feature and memory
Instruction features comparison broadcasts corresponding entry according to the practical loudspeaker of comparing result, sends corresponding instruction control life by telecommunication circuit
It enables and reaches control purpose to refrigerator controller.
(2), collected original signal is carried out frequency by software algorithm by the refrigerator and its control device of the speech recognition
Domain conversion, the number that statistics occurs whithin a period of time with the inconsistent voice signal frequency of instruction features, according to statistical result,
The higher noise source of cycle stability, the frequency of occurrences to occur to extract, be used for by the noise filter that feature is arranged in software
Noise signal in a period of time later is eliminated.
Detailed description of the invention
Fig. 1 is the utility model speech control system block diagram；
Fig. 2 is that the utility model voice control orients noise reduction flow chart；
Fig. 3 is the utility model speech recognition controlled flow chart.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of refrigerator and its control dress of speech recognition
It sets, including refrigerator body, refrigerator body interior side is fixedly installed refrigerator main control board, and refrigerator main control board electrically connects
It is connected to orientation reducing noise of voice controller, orientation reducing noise of voice controller is electrically connected with human testing unit, human testing unit
Side is fixedly installed microphone array, and microphone array and orientation reducing noise of voice controller are electrically connected.
Refrigerator body includes refrigeration pipeline, air door of air duct, compressor, cooling blower, evaporator and defrosting system, refrigerator pipes
Road interior side is fixedly installed pipeline electromagnetic valve.
Orienting reducing noise of voice controller includes MCU processor, and MCU processor is electrically connected with watchdog circuit, house dog
Circuit is electrically connected with telecommunication circuit, and telecommunication circuit is electrically connected with memory cell, and telecommunication circuit is electrically connected with broadcast loudspeaker
?.
Human testing unit includes human body detection sensor, and human body detection sensor is electrically connected with operational amplification circuit,
Operational amplification circuit is electrically connected with signal threshold value modulation circuit.
Microphone array includes four towards different microphones, and four are electrically connected with Mike towards different microphones
Wind filter circuit.
Voice control scheme: pass through a period of time microphone detection and count the pitch frequency occurred in different scales, remove
The instruction scale number detected is removed, counting the higher sound characteristic of audible frequency will be such by way of soft-modulation
Audio signal is filtered as irrelevant signal, can enhance the anti-interference ability of voice signal.
Human testing and microphone array control program: human testing is by the way of oblique angle detection, from refrigerator by top
Inclination installation, the point on human testing probe extending direction contact ground only detect human body between 1 to 2 meters of refrigerator doors
Close, voice module communication can just receive instruction.Microphone array is mounted in refrigerator doors apart from 1.5 to 2 meters of ground, and respectively
It is sampled for the inclination installation of four direction up and down, so that sound detection direction is more comprehensively.
Voice control scheme: after human detection module detects human body, voice module detects voice signal, discovery instruction word
Corresponding control instruction then is issued with refrigerator controller communication, and issues corresponding prompt tone by loudspeaker.
The control program of speech recognition: human detection module can just trigger speech recognition module, voice after detecting human body
Identification setting wake up word, wake up word triggering after, issue at the appointed time voice control just it is effective, have extremely low false triggering
Rate.
In use, installing human testing unit from refrigerator by top droop, human testing probe extending direction contacts ground
Point between 1 to 2 meters of refrigerator doors, only detect that human body is close, voice module communication can just receive instruction.Microphone array
Column are mounted in refrigerator doors apart from 1.5 to 2 meters of ground, and are respectively that the installation of four direction inclination up and down is sampled, and are made
Obtain sound detection direction more comprehensively.After human detection module detects human body, voice module detects voice signal, discovery instruction word
Corresponding control instruction then is issued with refrigerator controller communication, and issues corresponding prompt tone by loudspeaker.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. the refrigerator and its control device of a kind of speech recognition, including refrigerator body, it is characterised in that: inside the refrigerator body
Side is fixedly installed refrigerator main control board, and the refrigerator main control board is electrically connected with orientation reducing noise of voice controller,
The orientation reducing noise of voice controller is electrically connected with human testing unit, and human testing unit side is fixedly installed wheat
Gram wind array, the microphone array and orientation reducing noise of voice controller are electrically connected.
2. the refrigerator and its control device of a kind of speech recognition according to claim 1, it is characterised in that: the refrigerator case
Body includes refrigeration pipeline, air door of air duct, compressor, cooling blower, evaporator and defrosting system, the refrigeration pipeline interior side
It is fixedly installed pipeline electromagnetic valve.
3. the refrigerator and its control device of a kind of speech recognition according to claim 1, it is characterised in that: the orientation drop
Voice controller of making an uproar includes MCU processor, and the MCU processor is electrically connected with watchdog circuit, the watchdog circuit electricity
Property is connected with telecommunication circuit, and the telecommunication circuit is electrically connected with memory cell, and the telecommunication circuit is electrically connected with broadcast
Loudspeaker.
4. the refrigerator and its control device of a kind of speech recognition according to claim 1, it is characterised in that: the human body inspection
Surveying unit includes human body detection sensor, and the human body detection sensor is electrically connected with operational amplification circuit, and the operation is put
Big circuit is electrically connected with signal threshold value modulation circuit.
5. the refrigerator and its control device of a kind of speech recognition according to claim 1, it is characterised in that: the microphone
Array includes four towards different microphones, and described four are electrically connected with microphone filtered electrical towards different microphones
Road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820929835.9U CN208671125U (en) | 2018-06-15 | 2018-06-15 | A kind of refrigerator and its control device of speech recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820929835.9U CN208671125U (en) | 2018-06-15 | 2018-06-15 | A kind of refrigerator and its control device of speech recognition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208671125U true CN208671125U (en) | 2019-03-29 |
Family
ID=65823952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820929835.9U Active CN208671125U (en) | 2018-06-15 | 2018-06-15 | A kind of refrigerator and its control device of speech recognition |
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| Country | Link |
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| CN (1) | CN208671125U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110827828A (en) * | 2019-11-27 | 2020-02-21 | 云南电网有限责任公司电力科学研究院 | Voice interaction system for power equipment |
| CN110865574A (en) * | 2019-11-19 | 2020-03-06 | 万翼科技有限公司 | Equipment control method and related device |
-
2018
- 2018-06-15 CN CN201820929835.9U patent/CN208671125U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110865574A (en) * | 2019-11-19 | 2020-03-06 | 万翼科技有限公司 | Equipment control method and related device |
| CN110865574B (en) * | 2019-11-19 | 2021-10-15 | 万翼科技有限公司 | Equipment control method and related device |
| CN110827828A (en) * | 2019-11-27 | 2020-02-21 | 云南电网有限责任公司电力科学研究院 | Voice interaction system for power equipment |
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