CN104514119A - Rotating-speed-adjustable washing machine and method for adjusting rotating speed - Google Patents
Rotating-speed-adjustable washing machine and method for adjusting rotating speed Download PDFInfo
- Publication number
- CN104514119A CN104514119A CN201310459843.3A CN201310459843A CN104514119A CN 104514119 A CN104514119 A CN 104514119A CN 201310459843 A CN201310459843 A CN 201310459843A CN 104514119 A CN104514119 A CN 104514119A
- Authority
- CN
- China
- Prior art keywords
- washing machine
- signal
- module
- control module
- outside noise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/30—Driving arrangements
- D06F37/304—Arrangements or adaptations of electric motors
-
- D06F2202/12—
-
- D06F2204/06—
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses a rotating-speed-adjustable washing machine and a method for adjusting the rotating speed according to external noise. The washing machine comprises a machine body, a drum and a motor, and further comprises a rotating speed adjustment device arranged in the machine body. The rotating speed adjustment device comprises a sound sensing module, a control module and a drive module, wherein the sound sensing module comprises a sound sensor and a digital-to-analog conversion circuit, the control module comprises a microcontroller, and the drive module comprises a drive circuit. The rotating speed of the washing machine can be adjusted through the rotating speed adjustment device according to the noise situation of the external environment, and the efficiency of the washing machine is maximized without influencing the perception of human bodies.
Description
Technical field
The present invention relates to field of household appliances, particularly relate to a kind of can according to the washing machine of ambient noise volume adjusting rotating speed.
Background technology
Washing machine is when operating, and dehydration link inner core runs up, and is thrown away by the water on clothing, but can produce very large mechanical noise and pneumatic noise, usually affect work and the rest of people by the effect of centrifugal force.
In prior art, have and regulate the method for washing machine noise by installing shock sensor: utilize sound to be by this principle of vibration transmission, the rotating speed of dewatering motor for washing machine can be regulated by the size of perception shock momentum thereupon.But the program also has problems: general washing machine, for ensureing himself security performance, all with the vibration damper of self-regulation, can not exceed a certain scope to make motor for washer displacement when running up.This vibration damper can make the perception misalignment of shock sensor to a great extent, cannot reach control noises effect.
Therefore, how to reduce in washing machine running and shake the infringement brought and become the difficult problem of a pendulum in face of research staff.
Summary of the invention
In view of this, for solving the problem, the invention provides a kind of washing machine that can regulate self rotating speed according to ambient noise amount.
A washing machine for rotational speed regulation, comprises body, cylindrical shell and motor, also comprises the speed setting unit be arranged in described body, and described speed setting unit comprises: sound sensor module, control module, driver module, wherein:
Described sound sensor module is arranged on described body, and comprise one for detecting the sound transducer of outside noise signal, described sound sensor module sends to described control module by after noise signal process;
Described control module comprises a microcontroller, and connected by the communications cable and be connected with described sound sensor module, judged result for judging noise signal, and is sent to driver module by this control module;
Described driver module comprises one for regulating the drive circuit of motor speed, is connected with described control module by the communications cable.
Preferably, described sound sensor module also comprises a D/A converting circuit, described D/A converting circuit sends to described control module after the signal from sound transducer is converted into digital electric signal again, after being connected to described sound transducer by the communications cable.
Preferably, described speed setting unit also comprises a vibration-sensing module be arranged on described body, described vibration-sensing module comprises a shock sensor and a D/A converting circuit, for detecting vibration signal and exporting vibration signal to D/A converting circuit with the form of analog electrical signal, analog electrical signal is converted to the pulse digit signal of telecommunication by digital-to-analogue conversion circuit.
Preferably, described vibration-sensing module is connected with described control module by the communications cable, described vibration signal is sent to control module judge, one is comprised for judging the microcontroller chip of vibration signal in described control module, whether the signal judged from vibration-sensing module is exceeded setting range by this microcontroller chip: if having not exceeded setting range, then the regulating command of exportable increase power of motor; If exceed setting range, then export the regulating command reducing power of motor.
Regulate a method for washing machine rotating speed according to outside noise, the steps include:
The first step: use the sound sensor module be fixed on washing machine body to detect outside noise tone signal;
Second step: described outside noise signal and predetermined threshold value compare by control module, when described outside noise signal is greater than described predetermined threshold value, then control module sends and proposes high-revolving instruction in driver module; Otherwise when described outside noise signal is less than described predetermined threshold value, control module sends falls slow-revving instruction in driver module;
3rd step: driver module is according to the output order adjustment motor speed of control module.
Regulate a method for washing machine rotating speed according to outside noise, the steps include:
The first step: use the sound sensor module be fixed on washing machine body to detect outside noise tone signal;
Second step: described outside noise signal and predetermined threshold value compare by control module, when described outside noise signal is greater than described predetermined threshold value, and do not exceed setting range from the signal of vibration-sensing module, if control module sends proposes high-revolving instruction in driver module; Otherwise, when described outside noise signal is less than described predetermined threshold value, or exceed setting range from the signal of vibration-sensing module, if control module sends fall slow-revving instruction in driver module;
3rd step: driver module is according to the output order adjustment motor speed of control module.
Preferably, described predetermined threshold value behaviour body receptible noise 30-70 decibel.
Preferably, the receptible noise decibel of described predetermined threshold value behaviour body 50 decibels.
Compared with prior art, the present invention has the following advantages:
(1) utilize sound-controlled apparatus to regulate washing machine rotating speed, when extraneous environmental noise hour, the adjustable slow-speed of revolution improves human body sense organ; When external environment noise is large, adjustable height rotating speed improves the operating efficiency of washing machine while not affecting human body sense organ.
(2) shock sensor is utilized to control vibrations and the noise of washing machine self, if shake excessive, adjustable or termination washing machine running.
Accompanying drawing explanation
In order to the technical scheme in the embodiment of the present invention is more clearly described, introduce to the accompanying drawing used required in embodiment simply below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of washing machine of the present invention;
Fig. 2 is the module diagram of embodiment of the present invention medium speed adjusting device;
Fig. 3 is the module diagram of vibrating noise adjusting device in conventional washer.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, content of the present invention is described in further detail.
As shown in Figure 1, body of the washing machine comprises body 100, cylindrical shell 200 and motor 300, also comprises the speed setting unit 400 be arranged on outside body inner barrel.
As shown in Figure 2, this speed setting unit 400 is connected by the communications cable with motor 300, comprises sensing module 410, control module 420 and driver module 430.
Wherein, sensing module 410 comprises a sound sensor module.Tut sensing module comprises a sound transducer 411 and a D/A converting circuit 412,
Control module 420 comprises a microcontroller, and after the pulse digit signal of telecommunication is sent to control module 420 by sensing module 410, microcontroller starts to judge, has judged that the regulating command that rear microcontroller exports is sent to driver module 430.
Driver module 430 comprises a drive circuit, and this drive circuit is used for: one, receive conditioning signal that microcontroller exports and regulate power of motor, and two, feedback current motor power is to microcontroller.This driver module 430 is the module be directly connected with motor 300 in whole speed setting unit.
As shown in Figure 2, the invention provides a kind of method regulating washing machine rotating speed according to outside noise, comprising:
The first step, obtain the voice signal of outside noise that sound transducer 411 collects: the outside noise signal detected is converted to analog electrical signal by sensing technology and is sent to D/A converting circuit 412 by sound transducer 411, above-mentioned analog electrical signal is converted to pulse digital signal by electronic technology again and is sent to control module 420 by this D/A converting circuit 412, and self tachometer value current is fed back to control module 420 by motor 300 simultaneously;
Second step, current noise signal and predetermined threshold value compare by microcontroller, and export judged result to driver module 430:
Wherein, the receptible noise of described predetermined threshold value behaviour body 50 decibels, when described outside noise signal is greater than described predetermined threshold value, then control module 420 sends and proposes high-revolving instruction in driver module 430; Otherwise when described outside noise signal is less than described predetermined threshold value, control module 420 sends falls slow-revving instruction in driver module 430;
3rd step, the rotating speed of instruction to motor 300 that driver module 430 exports according to microcontroller regulates.
In actual applications, method of the present invention can circulate execution, to realize the object of long-time monitoring washer noise.Concrete, can circulate execution always, also can perform by timing cycle.
As the further improvement of the embodiment of the present invention, in above-mentioned washing machine, also comprise a vibration-sensing module 500.This vibration-sensing module 500 comprises a shock sensor and a D/A converting circuit.As shown in Figure 3, shock sensor is for detecting washing machine vibration signal operationally, and export vibration signal to D/A converting circuit with the form of analog electrical signal, digital-to-analogue conversion circuit is sent to above-mentioned control module 420 again and judges after analog electrical signal is converted to the pulse digit signal of telecommunication, one is comprised for judging the microcontroller chip of vibration signal in this control module, whether the signal judged from vibration-sensing module is exceeded setting range by this microcontroller chip: if having not exceeded setting range, then the regulating command of exportable increase power of motor; If exceed setting range, then export the regulating command reducing power of motor.Above motor conditioning signal is all sent to above-mentioned driver module 430, and changes the power of motor 300 by driver module.
Vibrations in the present invention regulate the auxiliary adjustment that can be used as washing machine rotating speed.After the use sound sensor module 410 be fixed on washing machine body detects outside noise tone signal, described outside noise signal and predetermined threshold value compare by control module 420, when described outside noise signal is greater than described predetermined threshold value, and do not exceed setting range from the signal of vibration-sensing module 500, if control module 420 sends proposes high-revolving instruction in driver module; Otherwise, when described outside noise signal is less than described predetermined threshold value, or exceed setting range from the signal of vibration-sensing module 500, if control module 420 sends fall slow-revving instruction in driver module 430.Driver module 430 is according to the rotating speed of the output order adjustment motor 300 of control module 420.
Connected by the communications cable successively between above-mentioned sensing module 410 or vibration-sensing module 500, control module 420, driver module 430.
In actual applications, above-mentioned control module can send the regulating command reducing power of motor according to estimate of situation, also can send instruction out of service, the present invention is in this no limit.
As the further improvement of the embodiment of the present invention, above-mentioned control module also comprises a warning device, the alarm command that this warning device sends for receiving microcontroller, namely, when the boundary that the difference of measured value and setting sets more than judged by microcontroller, namely microcontroller sends alarm command.Wherein, warning device can be buzzer, loudspeaker, indicator lamp etc.
As the further improvement of the embodiment of the present invention, a compensating circuit can be set at microcontroller.Because sound transducer to produce the phenomenon of distortion to too large sound, to be protected above-mentioned phenomenon, then need in microcontroller, set up a compensating circuit.
Compared with prior art, the present invention has the following advantages:
The invention provides a kind of can according to the washing machine of self rotating speed of outside noise environmental modulation, the sound transducer be fixed on washing machine body can be used to gather the noise signal of external environment and contrast with predetermined threshold value, when outside noise is large, generate the control instruction for controlling washing machine drive system, increase the running speed of washing machine cylindrical shell with appropriateness, increase work efficiency; Otherwise, generate control instruction and reduce drum speed, while not affecting human body sense organ, by the maximise operating efficiency of washing machine.The present invention is equipped with shock sensor simultaneously, takes into account washing machine self vibration situation, can generate alarm signal, and prompting user carries out respective handling, reduces to shake the infringement brought.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (8)
1. a washing machine for rotational speed regulation, comprises body, cylindrical shell and motor, it is characterized in that, also comprises the speed setting unit be arranged in described body, and described speed setting unit comprises: sound sensor module, control module, driver module, wherein:
Described sound sensor module is arranged on described body, and comprise one for detecting the sound transducer of outside noise signal, described sound sensor module sends to described control module by after noise signal process;
Described control module comprises a microcontroller, and connected by the communications cable and be connected with described sound sensor module, judged result for judging noise signal, and is sent to driver module by this control module;
Described driver module comprises one for regulating the drive circuit of motor speed, is connected with described control module by the communications cable.
2. rotational speed regulation washing machine according to claim 1, it is characterized in that, described sound sensor module also comprises a D/A converting circuit, described D/A converting circuit sends to described control module after the signal from sound transducer is converted into digital electric signal again, after being connected to described sound transducer by the communications cable.
3. rotational speed regulation washing machine according to claim 2, it is characterized in that, described speed setting unit also comprises a vibration-sensing module be arranged on described body, described vibration-sensing module comprises a shock sensor and a D/A converting circuit, for detecting vibration signal and exporting vibration signal to D/A converting circuit with the form of analog electrical signal, analog electrical signal is converted to the pulse digit signal of telecommunication by digital-to-analogue conversion circuit.
4. rotational speed regulation washing machine according to claim 3, it is characterized in that, described vibration-sensing module is connected with described control module by the communications cable, described vibration signal is sent to control module judge, one is comprised for judging the microcontroller chip of vibration signal in described control module, whether the signal judged from vibration-sensing module is exceeded setting range by this microcontroller chip: if having not exceeded setting range, then the regulating command of exportable increase power of motor; If exceed setting range, then export the regulating command reducing power of motor.
5. regulate a method for washing machine rotating speed according to outside noise, described washing machine is the washing machine described in any in the claims 1 ~ 2, and the step of described method is:
The first step: use the sound sensor module be fixed on washing machine body to detect outside noise tone signal;
Second step: described outside noise signal and predetermined threshold value compare by control module, when described outside noise signal is greater than described predetermined threshold value, then control module sends and proposes high-revolving instruction in driver module; Otherwise when described outside noise signal is less than described predetermined threshold value, control module sends falls slow-revving instruction in driver module;
3rd step: driver module is according to the output order adjustment motor speed of control module.
6. regulate a method for washing machine rotating speed according to outside noise, described washing machine wants the washing machine described in any in 3-4 for aforesaid right, and the step of described method is:
The first step: use the sound sensor module be fixed on washing machine body to detect outside noise tone signal;
Second step: described outside noise signal and predetermined threshold value compare by control module, when described outside noise signal is greater than described predetermined threshold value, and do not exceed setting range from the signal of vibration-sensing module, if control module sends proposes high-revolving instruction in driver module; Otherwise, when described outside noise signal is less than described predetermined threshold value, or exceed setting range from the signal of vibration-sensing module, if control module sends fall slow-revving instruction in driver module;
3rd step: driver module is according to the output order adjustment motor speed of control module.
7. the method regulating washing machine rotating speed according to outside noise according to claim 5, is characterized in that: described predetermined threshold value is 30-70 decibel.
8. the method regulating washing machine rotating speed according to outside noise according to claim 5, is characterized in that: described predetermined threshold value is 50 decibels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310459843.3A CN104514119B (en) | 2013-09-30 | 2013-09-30 | Rotating-speed-adjustable washing machine and method for adjusting rotating speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310459843.3A CN104514119B (en) | 2013-09-30 | 2013-09-30 | Rotating-speed-adjustable washing machine and method for adjusting rotating speed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514119A true CN104514119A (en) | 2015-04-15 |
| CN104514119B CN104514119B (en) | 2017-02-01 |
Family
ID=52789974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310459843.3A Active CN104514119B (en) | 2013-09-30 | 2013-09-30 | Rotating-speed-adjustable washing machine and method for adjusting rotating speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104514119B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104952439A (en) * | 2015-05-29 | 2015-09-30 | 安庆市星博特电子科技有限公司 | Equipment noise reduction device |
| CN107688305A (en) * | 2016-08-04 | 2018-02-13 | 九阳股份有限公司 | A kind of cooking machine and its method of work |
| CN108937807A (en) * | 2018-05-23 | 2018-12-07 | 佛山市顺德区美的洗涤电器制造有限公司 | The noise control method, apparatus and computer readable storage medium of dish-washing machine |
| CN109252324A (en) * | 2018-11-30 | 2019-01-22 | 珠海格力电器股份有限公司 | Washing machine control method and device, storage medium and mobile terminal |
| CN109371630A (en) * | 2018-12-10 | 2019-02-22 | 珠海格力电器股份有限公司 | Method and system for changing working power of washing machine according to environmental noise and washing machine |
| CN109805730A (en) * | 2017-11-21 | 2019-05-28 | 青岛海尔智能技术研发有限公司 | A kind of intelligent vibration damping method and device of juice extractor |
| CN110004679A (en) * | 2018-01-05 | 2019-07-12 | 青岛海尔洗衣机有限公司 | A kind of mute furnace drying method and dryer |
| CN110735308A (en) * | 2018-07-02 | 2020-01-31 | 青岛海尔滚筒洗衣机有限公司 | Clothes treating apparatus and operation control method thereof |
| KR20200106407A (en) * | 2019-03-04 | 2020-09-14 | 삼성전자주식회사 | Home appliance and method for controlling thereof |
| CN113384217A (en) * | 2020-03-12 | 2021-09-14 | 青岛海尔洗衣机有限公司 | Alarm control method of shoe washing equipment and shoe washing equipment |
| DE102022211782A1 (en) | 2022-11-08 | 2024-05-08 | BSH Hausgeräte GmbH | HOUSEHOLD APPLIANCE COMPRISING A CONTROL DEVICE AND A SENSOR AND METHOD FOR OPERATING THE SAME |
| DE102022211781A1 (en) | 2022-11-08 | 2024-05-08 | BSH Hausgeräte GmbH | HOUSEHOLD APPLIANCE COMPRISING A CONTROL DEVICE AND A SENSOR AND METHOD FOR CALIBRATING |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0341996A (en) * | 1989-07-11 | 1991-02-22 | Sanyo Electric Co Ltd | Washing machine |
| JPH03221095A (en) * | 1990-01-26 | 1991-09-30 | Toshiba Corp | Washer |
| JPH04325193A (en) * | 1991-04-24 | 1992-11-13 | Sanyo Electric Co Ltd | Washing machine |
| JPH0576686A (en) * | 1991-09-13 | 1993-03-30 | Sanyo Electric Co Ltd | Washing machine |
| CN101696541A (en) * | 2009-02-19 | 2010-04-21 | 南京乐金熊猫电器有限公司 | Night operation control method of washer |
| US8578627B2 (en) * | 2010-10-21 | 2013-11-12 | Whirlpool Corporation | Method and apparatus for moisture sensor noise immunity |
-
2013
- 2013-09-30 CN CN201310459843.3A patent/CN104514119B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0341996A (en) * | 1989-07-11 | 1991-02-22 | Sanyo Electric Co Ltd | Washing machine |
| JPH03221095A (en) * | 1990-01-26 | 1991-09-30 | Toshiba Corp | Washer |
| JPH04325193A (en) * | 1991-04-24 | 1992-11-13 | Sanyo Electric Co Ltd | Washing machine |
| JPH0576686A (en) * | 1991-09-13 | 1993-03-30 | Sanyo Electric Co Ltd | Washing machine |
| CN101696541A (en) * | 2009-02-19 | 2010-04-21 | 南京乐金熊猫电器有限公司 | Night operation control method of washer |
| US8578627B2 (en) * | 2010-10-21 | 2013-11-12 | Whirlpool Corporation | Method and apparatus for moisture sensor noise immunity |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104952439A (en) * | 2015-05-29 | 2015-09-30 | 安庆市星博特电子科技有限公司 | Equipment noise reduction device |
| CN107688305A (en) * | 2016-08-04 | 2018-02-13 | 九阳股份有限公司 | A kind of cooking machine and its method of work |
| CN109805730A (en) * | 2017-11-21 | 2019-05-28 | 青岛海尔智能技术研发有限公司 | A kind of intelligent vibration damping method and device of juice extractor |
| CN110004679A (en) * | 2018-01-05 | 2019-07-12 | 青岛海尔洗衣机有限公司 | A kind of mute furnace drying method and dryer |
| CN108937807A (en) * | 2018-05-23 | 2018-12-07 | 佛山市顺德区美的洗涤电器制造有限公司 | The noise control method, apparatus and computer readable storage medium of dish-washing machine |
| CN110735308A (en) * | 2018-07-02 | 2020-01-31 | 青岛海尔滚筒洗衣机有限公司 | Clothes treating apparatus and operation control method thereof |
| CN109252324A (en) * | 2018-11-30 | 2019-01-22 | 珠海格力电器股份有限公司 | Washing machine control method and device, storage medium and mobile terminal |
| CN109371630A (en) * | 2018-12-10 | 2019-02-22 | 珠海格力电器股份有限公司 | Method and system for changing working power of washing machine according to environmental noise and washing machine |
| KR20200106407A (en) * | 2019-03-04 | 2020-09-14 | 삼성전자주식회사 | Home appliance and method for controlling thereof |
| CN113383491A (en) * | 2019-03-04 | 2021-09-10 | 三星电子株式会社 | Household appliance and control method thereof |
| US11404172B2 (en) | 2019-03-04 | 2022-08-02 | Samsung Electronics Co., Ltd. | Home appliance and method for controlling thereof |
| CN113384217A (en) * | 2020-03-12 | 2021-09-14 | 青岛海尔洗衣机有限公司 | Alarm control method of shoe washing equipment and shoe washing equipment |
| DE102022211782A1 (en) | 2022-11-08 | 2024-05-08 | BSH Hausgeräte GmbH | HOUSEHOLD APPLIANCE COMPRISING A CONTROL DEVICE AND A SENSOR AND METHOD FOR OPERATING THE SAME |
| DE102022211781A1 (en) | 2022-11-08 | 2024-05-08 | BSH Hausgeräte GmbH | HOUSEHOLD APPLIANCE COMPRISING A CONTROL DEVICE AND A SENSOR AND METHOD FOR CALIBRATING |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104514119B (en) | 2017-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104514119A (en) | Rotating-speed-adjustable washing machine and method for adjusting rotating speed | |
| CN104344535B (en) | Method and device for adaptively adjusting frequency of conditioner motor and air conditioner | |
| CN106878874B (en) | Haptic feedback controller | |
| CN203664186U (en) | Intelligent control system for vibrating screen | |
| CA2318386A1 (en) | Method for measuring and controlling oscillations in a wind turbine | |
| CN108734933A (en) | Range hood and control method | |
| CN104866067A (en) | Low power consumption control method and electronic device | |
| CN113383491B (en) | Household appliance and control method thereof | |
| CN104342877B (en) | Laundry machine | |
| CN202907170U (en) | Passive radiator and corresponding speaker box | |
| CN102104674A (en) | Mobile phone and mobile phone vibration frequency adjusting method | |
| CN102926166A (en) | Washing machine and method for reducing vibration damage of same | |
| CN103116976A (en) | Audio-frequency-signal-based method and system for wirelessly controlling smart phone or tablet personal computer | |
| CN107076120B (en) | External member and method for wind power station | |
| CN210835755U (en) | Device capable of detecting vibration parameters and shell temperature of motor | |
| CN109764080A (en) | A kind of oscillation of rotary machine rotor control system using shear thickening fluid damper | |
| CN113403802A (en) | Eccentric position recognition method, washing machine, dehydration control method, and storage medium | |
| CN109787406A (en) | A kind of micro motor | |
| KR101369160B1 (en) | Hearing Aid | |
| CN109487490B (en) | Intelligent control method for household appliance and household appliance | |
| CN207283317U (en) | A kind of AC servo motor on Full-automatic terminal crimping machine | |
| CN104142635B (en) | Sound masking system with Surveillance center | |
| CN205509785U (en) | Motor | |
| CN101394098A (en) | Charging system and method for electronic device control by using audio output | |
| CN117629282A (en) | Wireless Wen Zhen sensor, wireless monitoring system and periodic working method of wireless monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |