CN104110884A - Water heater and control method thereof - Google Patents
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- CN104110884A CN104110884A CN201410097693.0A CN201410097693A CN104110884A CN 104110884 A CN104110884 A CN 104110884A CN 201410097693 A CN201410097693 A CN 201410097693A CN 104110884 A CN104110884 A CN 104110884A
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Abstract
The invention provides a water heater and a control method thereof. The water heater comprises a speech recognizer, a control switch and a controller, the speech recognizer acquires speech command information of a user, analyzes the speech command information to acquire speech features and compares the speech features to keyword features so as to acquire keywords corresponding to the speech command information, the control switch is used for controlling outflow water of the water heater, and the controller is connected with both the speech recognizer and the control switch and controls the control switch according to the keywords. By the water heater and the control thereof, opening and closing of the outflow water are realized without manual operation of the user, unnecessary trouble can be avoided, and more convenience in use is brought to the user.
Description
Technical field
The present invention relates to technical field of electric appliances, particularly the control method of a kind of water heater and water heater.
Background technology
Water heater is a kind of commonplace household electrical appliance, provides great convenience to people.But, using water heater to have a bath while operating, often have some troubles, for example, in the time smearing shampoo, need closed tap, electric heater stops water outlet, needs again to reopen tap in the time rinsing, and now people are normally closing eyes, thereby need to find gropingly the position of tap, cumbersome, and sometimes can change because of carelessness the position of mixed water valve, cause leaving water temperature to change, cause the bad impression of user.
Summary of the invention
Object of the present invention is intended to solve at least to a certain extent above-mentioned technical problem.
For this reason, one object of the present invention is to propose a kind of water heater, and this water heater does not need user's manual operation and realizes the opening and closing of water outlet, can avoid unnecessary trouble, convenient user's use.
Another object of the present invention is to propose a kind of control method of water heater.
For achieving the above object, an aspect of of the present present invention embodiment proposes a kind of water heater, this water heater comprises: speech recognition device, described speech recognition device obtains user's phonetic order information, and described phonetic order information is analyzed to obtain phonetic feature, described phonetic feature and keyword feature are compared to obtain the keyword corresponding with described phonetic order information; Gauge tap, for controlling the water outlet of electric heater; Controller, described controller is connected with described speech recognition device and described gauge tap respectively, and described controller is controlled described gauge tap according to described keyword.
According to the water heater of the embodiment of the present invention, by speech recognition device and gauge tap are carried out to combination application, according to user's phonetic order information, by controller, gauge tap is controlled, thereby realize the unlatching of the water outlet to water heater or close, do not need user's manual operation, avoided unnecessary trouble, user uses convenient.
Wherein, in some embodiments of the invention, described speech recognition device comprises: receiver module, for receiving described user's phonetic order information; Analysis module, for carrying out spectrum analysis to obtain described phonetic feature to described phonetic order information; Memory module, for storing keyword and corresponding keyword feature thereof; Identification module, for comparing to obtain the keyword corresponding with described user's phonetic order information by described phonetic feature and described keyword feature.
Particularly, in some embodiments of the invention, described gauge tap is magnetic valve.
Particularly, in some embodiments of the invention, described receiver module is microphone.
Particularly, in some embodiments of the invention, described speech recognition device is LD3320 voice recognition chip, and described LD3320 voice recognition chip is connected with described controller by UART serial line interface.
For achieving the above object, another aspect of the present invention embodiment proposes a kind of control method of water heater, and the control method of this water heater comprises the following steps: speech recognition device obtains user's phonetic order information; Described speech recognition device analyzes to obtain phonetic feature to described phonetic order information, and described phonetic feature and the keyword feature prestoring are compared to obtain the keyword corresponding with described phonetic order information; Controller is controlled the water outlet of electric heater to gauge tap according to described keyword.
According to the control method of the water heater of the embodiment of the present invention, by speech recognition device and gauge tap are carried out to combination application, by speech recognition device perception user's phonetic order information, and then controller is controlled gauge tap according to command information, thereby realize the unlatching of the water outlet to water heater or close, do not need user's manual operation, avoided unnecessary trouble, user uses convenient.
Further, in some embodiments of the invention, the water outlet that controller is controlled electric heater according to described keyword to gauge tap specifically comprises: in the time that described keyword is boiling water instruction, gauge tap opens to control described electric heater water outlet described in described controller control; When described keyword is when closing water instruction, gauge tap cuts out to control described water heater and stops water outlet described in described controller control.
Wherein, in some embodiments of the invention, described keyword comprises any in single character, phrase, short sentence.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Brief description of the drawings
The present invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments obviously and easily and understand, wherein:
Fig. 1 is the schematic diagram of water heater according to an embodiment of the invention;
Fig. 2 is the block diagram of water heater according to another embodiment of the invention;
Fig. 3 is the signal transduction process schematic diagram according to the water heater of a specific embodiment of the present invention;
Fig. 4 is the schematic diagram of the groundwork process of water heater according to an embodiment of the invention;
Fig. 5 is the flow chart of the control method of water heater according to an embodiment of the invention, and
Fig. 6 is according to the flow chart of the control method of the water heater of a specific embodiment of the present invention.
Reference numeral
Speech recognition device 10, gauge tap 20 and controller 30, receiver module 101, analysis module 102, memory module 103 and identification module 104.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Disclosing below provides many different embodiment or example to be used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts to specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, First Characteristic described below Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are the direct embodiment of contact, also can comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may not be direct contacts.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
With reference to description and accompanying drawing below, these and other aspects of embodiments of the invention will be known.In these descriptions and accompanying drawing, specifically disclose some specific implementations in embodiments of the invention, represent some modes of the principle of implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise all changes, amendment and the equivalent within the scope of spirit and the intension that falls into additional claims.
In correlation technique, can control water outlet by infrared water tap, wherein, infrared water tap is a kind of product of comparative maturity, wherein, adopts infrared sensor to carry out perception human body and whether approaches tap, and by the switch of solenoid control current, if human body proximity tap detected, control magnetic valve and open, thereby open current.
In addition, particular person speech recognition (ASR, Auto Speech Recognition) technology identifies based on " key words list ", a large amount of speech datas is carried out to speech model analysis through linguist, set up Mathematical Modeling, and the minutia of primitive voice is extracted in process repetition training, and extract the feature difference between each primitive, obtain each primitive phonetic feature in statistical probability optimization meaning, finally by engineer, algorithm and speech model are converted to hardware chip and be applied in embedded system.
In an embodiment of the present invention, be attached in water heater by above-mentioned speech recognition technology and magnetic valve, the water outlet of water heater is controlled.
The water heater and the control method thereof that propose according to the embodiment of the present invention are described with reference to the accompanying drawings.
Fig. 1 is the block diagram of water heater according to an embodiment of the invention.As shown in Figure 1, water heater comprises speech recognition device 10, gauge tap 20 and controller 30.
Wherein, for example magnetic valve is for controlling the water outlet of water heater for gauge tap 20, and wherein, gauge tap 20 can be positioned at water inlet I or delivery port O, and general water heater has water outlet to have into water.Speech recognition device 10 obtains user's phonetic order information, and phonetic order information is analyzed to obtain phonetic feature, and phonetic feature and keyword feature are compared to obtain the keyword corresponding with phonetic order information.Controller 30 is connected with speech recognition device 10 and gauge tap 20 respectively, and then controller 30 is controlled gauge tap 20 according to keyword, particularly, controller 30 is resolved and is obtained phonetic order keyword, when controller 30 is resolved keyword while being boiling water instruction, controller 30 controls that gauge tap 20 is opened so that water outlet of water heater, resolves keyword when closing water instruction when controller 30, and controller 30 controls gauge tap 20 and cuts out so that water heater stops water outlet.
Wherein, speech recognition device 10 adopts ASR technology, particularly, as shown in Figure 2, is the block diagram of water heater according to an embodiment of the invention, and speech recognition device 10 comprises receiver module 101, analysis module 102, memory module 103 and identification module 104.Wherein, receiver module 101 is for receiving user's phonetic order information, and analysis module 102 is for carrying out spectrum analysis to obtain phonetic feature to phonetic order information; Memory module 103 is for storing keyword and corresponding keyword feature thereof; Identification module 104 is for comparing phonetic feature and keyword feature to obtain the keyword corresponding with user's phonetic order information, and then controller 30 to key word information resolve obtain phonetic order, according to the phonetic order that keyword is corresponding, gauge tap 20 is controlled.
As shown in Figure 3, for according to the schematic diagram of the information exchanging process of the water heater of a specific embodiment of the present invention, for example, speech recognition device 10 can be LD3320 voice recognition chip, and LD3320 voice recognition chip is connected with for example CPU of single-chip microcomputer, embedded system of controller 30 by UART serial line interface.LD3320 voice recognition chip adopts ASR technology, particularly, for example microphone MIC of receiver module 101 receives user's phonetic order information, and then by analysis module 102, the voice flow of phonetic order is carried out spectrum analysis and is converted to the position of for example frequency spectrum of phonetic feature, peak information, extract again phonetic feature, and by identification module 104, the entry in the phonetic feature after conversion and " lists of keywords " in memory module 103 is mated one by one, namely the phonetic feature obtaining is compared and mated with the keyword feature prestoring, obtaining the keyword mating most exports as recognition result, be one of Optimum Matching as recognition result, and then controller 30 is controlled gauge tap 20 according to recognition result.
Wherein, be understandable that, for LD3320 voice recognition chip, user only need be sent to chip with the form of character string the keyword of identification, can in the time identifying next time, come into force.For example, in the programming of the CPU of for example single-chip microcomputer of controller 30, by the register of LD3320 voice recognition chip is set, be stored into the memory module 103 of speech recognition device 10 by the keyword feature of keyword and correspondence thereof, for example the content of the identification keyword of " boiling water " " Guan Shui " is dynamically imported in LD3320 voice recognition chip, LD3320 speech recognition just can be identified the keyword of storage.Wherein, each keyword can be any in monocase, phrase, short sentence, here be understandable that, keyword in the memory module 103 of speech recognition device 10 exists with character string forms, and for example keyword of storage can be the combination of monocase, phrase, short sentence or any Chinese pronunciations character string.
Particularly, as shown in Figure 4, be the schematic diagram of the basic process of water heater working according to an embodiment of the invention.Speech recognition device 10 is by for example microphone perception user's of receiver module 101 phonetic order information, and the keyword that command information after resolving is obtained is sent to controller 30, and then controller 30 judges whether to open or closing control switch according to keyword corresponding to phonetic order information, thereby open or close current.Particularly for example, LD3320 voice recognition chip is connected with CPU by UART serial line interface, in the time that user need to have a bath, user sends the phonetic order information of " boiling water ", the microphone of LD3320 voice recognition chip receives voice content for example when " boiling water ", boiling water command information is analyzed and obtained phonetic feature, and the keyword feature of storage in phonetic feature and memory module 103 is compared, obtain " boiling water " instruction keyword, key word information corresponding to " boiling water " command information is sent to CPU, CPU resolves and obtains boiling water instruction keyword, thereby controlling for example magnetic valve of gauge tap 20 opens, thereby open the water outlet of water heater.On the contrary, if user need to cut off the water, send " Guan Shui " phonetic order information, LD3320 voice recognition chip is identified and is obtained corresponding keyword " Guan Shui " phonetic order information, and then CPU resolves and obtains pass water instruction keyword, control closed electromagnetic valve, close the current of water heater.
In sum, the water heater of the embodiment of the present invention, by speech recognition device and gauge tap are carried out to combination application, according to user's phonetic order information, by controller, gauge tap is controlled, thereby realized the unlatching of the water outlet to water heater or close, do not need user's manual operation, avoided unnecessary trouble, user uses convenient.
The control method of a kind of water heater that embodiment proposes is according to a further aspect in the invention described with reference to the accompanying drawings.
Fig. 5 is the flow chart of the control method of water heater according to an embodiment of the invention.As shown in Figure 5, the control method of the water heater of the embodiment of the present invention comprises the following steps:
S1, speech recognition device obtains user's phonetic order information.
Particularly, in the time that user uses water heater, send phonetic order information, and then receive user's phonetic order information by for example microphone of receiver module of speech recognition device.
S2, speech recognition device analyzes to obtain phonetic feature to phonetic order information, and phonetic feature and the keyword feature prestoring are compared to obtain the keyword corresponding with phonetic order information.
Particularly, for example LD3320 voice recognition chip of speech recognition device adopts ASR technology, after receiving user's phonetic order information, and then the voice flow of phonetic order is carried out spectrum analysis and is converted to the position of for example frequency spectrum of phonetic feature, peak information, extract again phonetic feature, and the entry in " lists of keywords " of the phonetic feature after conversion and storage is mated one by one, namely the phonetic feature obtaining is compared and mated with the keyword feature prestoring, obtaining the keyword mating most exports as recognition result, be one of Optimum Matching as recognition result, and then execution step S3.
S3, controller is controlled the water outlet of electric heater to gauge tap according to keyword.
Particularly, after controller receives the key word information of speech recognition device output, keyword is resolved and obtained phonetic order, in the time that keyword is boiling water instruction, controller control gauge tap opens to control electric heater water outlet; When keyword is that while closing water instruction, controller control gauge tap cuts out to control water heater and stops water outlet.For example, for example LD3320 voice recognition chip of speech recognition device is connected with for example CPU of controller by UART serial line interface, in the time that user need to have a bath, send the phonetic order information of " boiling water ", the microphone of LD3320 voice recognition chip receives " boiling water " command information content, boiling water command information is carried out to spectrum analysis and obtain phonetic feature, and the keyword feature of phonetic feature and storage is compared, obtain keyword corresponding to " boiling water " instruction, key word information corresponding to " boiling water " command information is sent to CPU, CPU resolves and obtains boiling water instruction keyword, thereby controlling for example magnetic valve of gauge tap opens, thereby open the water outlet of water heater.On the contrary, if user need to cut off the water, send " Guan Shui " phonetic order information, LD3320 voice recognition chip is identified and is obtained corresponding keyword " Guan Shui " phonetic order information, and then CPU resolves and obtains pass water instruction keyword, control closed electromagnetic valve, close the current of water heater.
Wherein, be understandable that, for LD3320 voice recognition chip, user only need be sent to chip with the form of character string the keyword of identification, can in the time identifying next time, come into force.For example, in the programming of the CPU of for example single-chip microcomputer of controller, by the register of LD3320 voice recognition chip is set, be stored into speech recognition device by keyword and corresponding keyword feature thereof, for example the content of the identification keyword of " boiling water " " Guan Shui " is dynamically imported in LD3320 voice recognition chip, LD3320 speech recognition just can be identified the keyword of storage.Wherein, each keyword can be any in monocase, phrase, short sentence, here be understandable that, keyword in speech recognition device exists with character string forms, and for example keyword of storage can be the combination of monocase, phrase, short sentence or any Chinese pronunciations character string.
As shown in Figure 6, for according to the flow chart of the control method of the water heater of a specific embodiment of the present invention, comprise the following steps:
S10, the input state of detection speech recognition device.
Detect speech recognition device and whether receive the phonetic order information that obtains user.If detected, perform step S20.
S20, judges whether to detect the phonetic entry of " boiling water " instruction.
If it is perform step S30, otherwise execution step S40.
S30, opens solenoid control water feeding of heater.
S40, judges whether to detect the phonetic entry of " Guan Shui " instruction.
If so, perform step S50, otherwise return to step S10.
S50, shut electromagnetic valve control water heater is closed water outlet.
S60, postpones to return for 1 second step S10.
In sum, according to the control method of the water heater of the embodiment of the present invention, by speech recognition device and gauge tap are carried out to combination application, by speech recognition device perception user's phonetic order information, and then controller controls gauge tap according to command information, thereby realize the unlatching of the water outlet to water heater or close, not needing user's manual operation, avoided unnecessary trouble, user uses convenient.
Any process of otherwise describing in flow chart or at this or method are described and can be understood to, represent to comprise that one or more is for realizing module, fragment or the part of code of executable instruction of step of specific logical function or process, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by contrary order, carry out function, this should be understood by embodiments of the invention person of ordinary skill in the field.
The logic and/or the step that in flow chart, represent or otherwise describe at this, for example, can be considered to the sequencing list of the executable instruction for realizing logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (as computer based system, comprise that the system of processor or other can and carry out the system of instruction from instruction execution system, device or equipment instruction fetch), or use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can comprise, device that storage, communication, propagation or transmission procedure use for instruction execution system, device or equipment or in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), read-only storage (ROM), the erasable read-only storage (EPROM or flash memory) of editing, fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other the suitable medium that can print described program thereon, because can be for example by paper or other media be carried out to optical scanner, then edit, decipher or process in electronics mode and obtain described program with other suitable methods if desired, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple steps or method can realize with being stored in software or the firmware carried out in memory and by suitable instruction execution system.For example, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: there is the discrete logic for data-signal being realized to the logic gates of logic function, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is can carry out the hardware that instruction is relevant by program to complete, described program can be stored in a kind of computer-readable recording medium, this program, in the time carrying out, comprises step of embodiment of the method one or a combination set of.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.If described integrated module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium using the form of software function module.
The above-mentioned storage medium of mentioning can be read-only storage, disk or CD etc.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, amendment, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (8)
1. a water heater, is characterized in that, comprising:
Speech recognition device, described speech recognition device obtains user's phonetic order information, and described phonetic order information is analyzed to obtain phonetic feature, described phonetic feature and keyword feature are compared to obtain the keyword corresponding with described phonetic order information;
Gauge tap, for controlling the water outlet of water heater;
Controller, described controller is connected with described speech recognition device and described gauge tap respectively, and described controller is controlled described gauge tap according to described keyword.
2. water heater as claimed in claim 1, is characterized in that, described speech recognition device comprises:
Receiver module, for receiving described user's phonetic order information;
Analysis module, for carrying out spectrum analysis to obtain described phonetic feature to described phonetic order information;
Memory module, for storing keyword and corresponding keyword feature thereof;
Identification module, for comparing to obtain the keyword corresponding with described user's phonetic order information by described phonetic feature and described keyword feature.
3. water heater as claimed in claim 1, is characterized in that, described gauge tap is magnetic valve.
4. water heater as claimed in claim 2, is characterized in that, described receiver module is microphone.
5. water heater as claimed in claim 1, is characterized in that, described speech recognition device is LD3320 voice recognition chip, and described LD3320 voice recognition chip is connected with described controller by UART serial line interface.
6. a control method for water heater, is characterized in that, comprises the following steps:
Speech recognition device obtains user's phonetic order information;
Described speech recognition device analyzes to obtain phonetic feature to described phonetic order information, and described phonetic feature and the keyword feature prestoring are compared to obtain the keyword corresponding with described phonetic order information;
Controller is controlled the water outlet of electric heater to gauge tap according to described keyword.
7. the control method of water heater as claimed in claim 5, is characterized in that, the water outlet that controller is controlled electric heater according to described keyword to gauge tap specifically comprises:
In the time that described keyword is boiling water instruction, gauge tap opens to control described electric heater water outlet described in described controller control;
When described keyword is when closing water instruction, gauge tap cuts out to control described water heater and stops water outlet described in described controller control.
8. the control method of the water heater as described in claim 6 or 7, is characterized in that, described keyword comprises any in single character, phrase, short sentence.
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| CN113327609A (en) * | 2019-04-23 | 2021-08-31 | 百度在线网络技术（北京）有限公司 | Method and apparatus for speech recognition |
| CN113327609B (en) * | 2019-04-23 | 2022-06-28 | 百度在线网络技术（北京）有限公司 | Method and apparatus for speech recognition |
| CN111048073A (en) * | 2019-12-16 | 2020-04-21 | 北京明略软件系统有限公司 | Audio processing method and device, electronic equipment and readable storage medium |
| CN111105796A (en) * | 2019-12-18 | 2020-05-05 | 杭州智芯科微电子科技有限公司 | Wireless earphone control device and control method, and voice control setting method and system |
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