CN105489214A - Water purifier and noise reduction method thereof - Google Patents
Water purifier and noise reduction method thereof Download PDFInfo
- Publication number
- CN105489214A CN105489214A CN201610012109.6A CN201610012109A CN105489214A CN 105489214 A CN105489214 A CN 105489214A CN 201610012109 A CN201610012109 A CN 201610012109A CN 105489214 A CN105489214 A CN 105489214A
- Authority
- CN
- China
- Prior art keywords
- noise
- purification assembly
- water purification
- water purifier
- suppressor
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 132
- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000009467 reduction Effects 0.000 title claims abstract description 13
- 238000000746 purification Methods 0.000 claims abstract description 59
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
Abstract
The invention discloses a water purifier and a noise reduction method of the water purifier, wherein the water purifier comprises: a housing defining a receiving cavity therein; the water purification component is arranged in the accommodating cavity; the controller is arranged in the accommodating cavity; the noise signal collector is arranged close to the water purification assembly to collect noise emitted by the water purification assembly, and is connected with the controller and transmits a noise signal to the controller; and the noise suppressor is connected with the controller and sends out sound waves in a phase opposite to that of the noise signals according to the instruction of the noise reduction controller. According to the water purifier disclosed by the embodiment of the invention, the noise suppressor can emit the sound wave in the phase opposite to that of the noise signal, so that the purpose of active noise reduction is achieved.
Description
Technical field
The present invention relates to purifier technical field, more specifically, relate to the noise-reduction method of a kind of water purifier and water purifier.
Background technology
Reverse osmosis water purifier in correlation technique, inside needs supercharge pump to pressurize to provide working pressure, can shake during work, and make a noise, particularly for the reverse osmosis water purifier of large discharge, because the power of supercharge pump is larger, the noise sent during work is larger, Consumer's Experience extreme difference.
Summary of the invention
The present invention is intended to solve one of technical matters in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of water purifier, and the structure of this water purifier is simple, and noise is low, and Consumer's Experience is good.
The present invention also proposes a kind of noise-reduction method of above-mentioned water purifier.
The water purifier of embodiment according to a first aspect of the present invention, comprising: casing, is limited with container cavity in described casing; Water purification assembly, described water purification assembly is located in described container cavity; Controller, described control is located in described container cavity; Noise signal gatherer, the contiguous described water purification assembly of described noise signal gatherer is arranged to collect the noise that described water purification assembly sends, and described noise signal gatherer is connected with described controller and to described controller passing noise signal; Noise suppressor, described noise suppressor is connected with described controller, and described noise suppressor sends the sound wave with described noise signal antiphase according to the instruction of described noise reduction controller.
According to the water purifier of the embodiment of the present invention, by arranging noise signal gatherer and noise suppressor in the casing of water purifier, make noise suppressor can send the sound wave with noise signal antiphase, reach the object of active noise reduction, the structure of this water purifier is simple, and noise is low, and Consumer's Experience is good.
In addition, according to the water purifier of the embodiment of the present invention, following additional technical characteristic can also be had:
According to one embodiment of present invention, the distance between described noise signal gatherer and described water purification assembly is less than the distance of described noise suppressor and described water purification assembly.
According to one embodiment of present invention, described noise signal gatherer is noise transducer.
According to one embodiment of present invention, described noise suppressor is loudspeaker.
According to one embodiment of present invention, described water purification assembly comprises supercharge pump, and the contiguous described supercharge pump of described noise signal gatherer is arranged.
According to one embodiment of present invention, described noise signal gatherer is positioned at the top that described noise suppressor is located at described water purification assembly, and described noise signal gatherer is between described noise suppressor and described supercharge pump.
The noise-reduction method of the water purifier of embodiment according to a second aspect of the present invention, described water purifier comprises noise suppressor, and described noise-reduction method comprises the following steps:
Whether S1, the water purification assembly detecting described water purifier be in running order, if described water purification assembly is in halted state, then stops detecting, if described water purification assembly is in running order, then continues to detect;
S2, detect the operating noise of described water purification assembly, and judge whether described operating noise reaches predetermined value;
S3, when described operating noise reaches predetermined value, control described noise suppressor and reduce described operating noise;
S4, when described operating noise is lower than predetermined value, described noise suppressor quits work.
According to one embodiment of present invention, described noise suppressor suppresses described operating noise by sending antiphase sound wave.
According to one embodiment of present invention, described noise suppressor is loudspeaker.
According to one embodiment of present invention, described predetermined value is 35-45 decibel.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the water purifier according to the embodiment of the present invention;
Fig. 2 is the process flow diagram of the noise-reduction method of water purifier according to the embodiment of the present invention.
Reference numeral:
Water purifier 100;
Casing 10; Container cavity 11; Water purification assembly 20; Supercharge pump 21; Controller 30; Noise signal gatherer 40; Noise suppressor 50.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
The water purifier 100 of embodiment is according to a first aspect of the present invention specifically described below in conjunction with accompanying drawing 1 and Fig. 2.
As shown in Figure 1, casing 10, water purification assembly 20, controller 30, noise signal gatherer 40 and noise suppressor 50 is comprised according to the water purifier 100 of the embodiment of the present invention.Specifically, container cavity 11 is limited with in casing 10, water purification assembly 20 is located in container cavity 11, control is located in container cavity 11, the contiguous water purification assembly 20 of noise signal gatherer 40 arranges to collect the noise that water purification assembly 20 sends, noise signal gatherer 40 is connected with controller 30 and to controller 30 passing noise signal, noise suppressor 50 is connected with controller 30, and noise suppressor 50 sends the sound wave with noise signal antiphase according to the instruction of noise reduction controller 30.
In other words, this water purifier 100 forms primarily of casing 10, water purification assembly 20, controller 30, noise signal gatherer 40 and noise suppressor 50.Wherein, container cavity 11 is limited with in casing 10, water purification assembly 20, controller 30, noise signal gatherer 40 and noise suppressor 50 are all located in container cavity 11, noise signal gatherer 40 is all connected with controller 30 with noise suppressor 50, further, the contiguous water purification assembly 20 of noise signal gatherer 40 is arranged.
When water purifier 100 is started working, the noise that water purification assembly 20 sends, noise signal gatherer 40 can collect the noise signal that water purification assembly 20 sends, and noise signal is passed to controller 30, then after the analysis of controller 30, judgement, process computing, controller 30 sends instruction to noise suppressor 50, makes noise suppressor 50 send the sound wave with noise signal antiphase, reaches the effect reducing noise.
Thus, according to the water purifier 100 of the embodiment of the present invention, by arranging noise signal gatherer 40 and noise suppressor 50 in the casing 10 of water purifier 100, make noise suppressor 50 can send the sound wave with noise signal antiphase, reach the object of active noise reduction, the structure of this water purifier 100 is simple, and noise is low, and Consumer's Experience is good.
Wherein, according to one embodiment of present invention, the distance between noise signal gatherer 40 and water purification assembly 20 is less than the distance of noise suppressor 50 and water purification assembly 20.Thus, the noise that noise signal gatherer 40 can be made to collect water purification assembly 20 accurately send, avoids the interference being subject to the antiphase sound wave that noise suppressor 50 sends.
Preferably, noise signal gatherer 40 is noise transducer, and noise suppressor 50 is loudspeaker.That is, this water purifier 100 forms primarily of casing 10, water purification assembly 20, controller 30, noise transducer and loudspeaker, wherein noise transducer and loudspeaker are all connected with controller 30, and the contiguous water purification assembly 20 of noise transducer is arranged, and loudspeaker is arranged away from water purification assembly 20, the distance namely between noise transducer and water purification assembly 20 is less than the distance between loudspeaker and water purification assembly 20.
When water purifier 100 is started working, the noise that water purification assembly 20 sends, noise transducer can collect the noise signal that water purification assembly 20 sends, and noise signal is passed to controller 30, then after the analysis of controller 30, judgement, process computing, controller 30 sends instruction to loudspeaker, makes loudspeaker send the sound wave with noise signal antiphase, reaches the effect reducing noise.Thus, the structure of this water purifier 100 is simple, and cost is low, autonomous excellent noise reduction effect, and Consumer's Experience is good.
Wherein, according to one embodiment of present invention, water purification assembly 20 comprises supercharge pump 21, noise signal gatherer 40 proximity booster pump 21 is arranged, noise signal gatherer 40 is positioned at the top that noise suppressor 50 is located at water purification assembly 20, and noise signal gatherer 40 is between noise suppressor 50 and supercharge pump 21.
Particularly, as shown in Figure 1, water purification assembly 20, controller 30, noise signal gatherer 40 and noise suppressor 50 is provided with in water purifier 100, its middle controller 30, noise signal gatherer 40 and noise suppressor 50 are all located at the top of water purification assembly 20, and noise signal gatherer 40 is located at the below of noise suppressor 50 and the supercharge pump 21 of contiguous water purification assembly 20 is arranged, and the distance between noise signal gatherer 40 and supercharge pump 21 is less than the distance between noise suppressor 50 and supercharge pump 21.
When water purifier 100 is started working, noise signal gatherer 40 can collect the noise that supercharge pump 21 sends, and noise signal is passed to controller 30, then after the analysis of controller 30, judgement, process computing, controller 30 sends instruction to noise suppressor 50, make noise suppressor 50 send the sound with the noise signal antiphase of supercharge pump 21, reach the effect reducing noise.
The noise-reduction method of the water purifier of embodiment is according to a second aspect of the present invention specifically described below in conjunction with accompanying drawing 1 and Fig. 2.
As shown in Figure 2, according to the noise-reduction method of the water purifier 100 of the embodiment of the present invention, water purifier 100 comprises noise suppressor 50, and noise-reduction method comprises the following steps:
Whether the water purification assembly 20 of S1, detection water purifier 100 is in running order, if water purification assembly 20 is in halted state, then stops detecting, if water purification assembly 20 is in running order, then continues to detect;
The operating noise of S2, detection water purification assembly 20, and judge whether operating noise reaches predetermined value;
S3, when operating noise reaches predetermined value, control noises rejector 50 reduces operating noise;
S4, when operating noise is lower than predetermined value, noise suppressor 50 quits work.
Alternatively, noise suppressor 50 is loudspeaker, and this loudspeaker is connected with controller 30, by the control of controller 30, can send the sound wave contrary with operating noise phase place, thus plays the object of suppression, reduction operating noise.
Particularly, when user opens water purifier 100, the system of water purifier 100 starts to detect water purifier 100 and whether starts water process processed, if water purifier 100 starts water processed, the noise signal gatherer 40 of water purifier 100 starts to collect the noise signal that water purification assembly 20 sends, and this noise signal is passed to controller 30, then the parameter of controller 30 to the operating noise received is analyzed, judge, process computing, if the parameter of this noise signal is more than or equal to the predetermined value of operating noise, controller 30 sends instruction to noise suppressor 50, noise suppressor 50 is made to send the sound wave with operating noise antiphase, reach the effect of restraint speckle, if the parameter of this operating noise is less than the predetermined value of operating noise, noise suppressor 50 quits work, and noise signal gatherer 40 continues collection work noise, until water purifier 100 is shut down.If the systems axiol-ogy of water purifier 100 does not start water process processed to water purifier 100, noise signal gatherer 40 does not work, until detect that water purifier 100 starts water processed, and so forth.
Thus, according to the noise-reduction method of the water purifier of the embodiment of the present invention, effectively can reach the object of active noise reduction, thus reduce the operating noise of water purifier 100, noise reduction step is simple, intelligent, and Consumer's Experience is good.
Alternatively, the predetermined value of operating noise is 35-45 decibel, namely the predetermined value of operating noise that water purifier 100 is preset during fabrication controls between 35 decibels to 45 decibels, if the parameter of this noise signal is more than or equal to the predetermined value of operating noise, controller 30 sends instruction to noise suppressor 50, make noise suppressor 50 send the sound wave with operating noise antiphase, reach the effect of restraint speckle; If the parameter of this operating noise is less than the predetermined value of operating noise, noise suppressor 50 quits work, and noise signal gatherer 40 continues collection work noise, until water purifier 100 is shut down.
Preferably, the predetermined value of operating noise is 40 decibels.Particularly, when water purifier 100 starts water processed, if the noise signal that the water purification assembly 20 that noise signal gatherer 40 is collected sends is less than 40 decibels, noise suppressor 50 does not work, meanwhile, noise signal gatherer 40 continues collection work noise, until water purifier 100 is shut down; And when the noise signal that the water purification assembly 20 that noise signal gatherer 40 is collected sends is more than or equal to 40 decibels, controller 30 sends instruction to noise suppressor 50, make noise suppressor 50 send the sound wave with operating noise antiphase, reach the effect reducing noise.Therefore, the structure of this water purifier 100 is simple, and noise is low, and operationally, the normal work and rest, the Consumer's Experience that do not affect user are good for water purifier 100.
According to the water purifier 100 of the embodiment of the present invention other form and operation be all known for those of ordinary skills, be not described in detail here.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this instructions or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a water purifier, is characterized in that, comprising:
Casing, is limited with container cavity in described casing;
Water purification assembly, described water purification assembly is located in described container cavity;
Controller, described control is located in described container cavity;
Noise signal gatherer, the contiguous described water purification assembly of described noise signal gatherer is arranged to collect the noise that described water purification assembly sends, and described noise signal gatherer is connected with described controller and to described controller passing noise signal;
Noise suppressor, described noise suppressor is connected with described controller, and described noise suppressor sends the sound wave with described noise signal antiphase according to the instruction of described noise reduction controller.
2. water purifier according to claim 1, is characterized in that, the distance between described noise signal gatherer and described water purification assembly is less than the distance of described noise suppressor and described water purification assembly.
3. water purifier according to claim 1, is characterized in that, described noise signal gatherer is noise transducer.
4. water purifier according to claim 1, is characterized in that, described noise suppressor is loudspeaker.
5. water purifier according to claim 1, is characterized in that, described water purification assembly comprises supercharge pump, and the contiguous described supercharge pump of described noise signal gatherer is arranged.
6. water purifier according to claim 5, is characterized in that, described noise signal gatherer is positioned at the top that described noise suppressor is located at described water purification assembly, and described noise signal gatherer is between described noise suppressor and described supercharge pump.
7. a noise-reduction method for water purifier, is characterized in that, described water purifier comprises noise suppressor, and described noise-reduction method comprises the following steps:
Whether S1, the water purification assembly detecting described water purifier be in running order, if described water purification assembly is in halted state, then stops detecting, if described water purification assembly is in running order, then continues to detect;
S2, detect the operating noise of described water purification assembly, and judge whether described operating noise reaches predetermined value;
S3, when described operating noise reaches predetermined value, control described noise suppressor and reduce described operating noise;
S4, when described operating noise is lower than predetermined value, described noise suppressor quits work.
8. noise-reduction method according to claim 7, is characterized in that, described noise suppressor suppresses described operating noise by sending antiphase sound wave.
9. noise-reduction method according to claim 7, is characterized in that, described noise suppressor is loudspeaker.
10. noise-reduction method according to claim 7, is characterized in that, described predetermined value is 35-45 decibel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012109.6A CN105489214A (en) | 2016-01-06 | 2016-01-06 | Water purifier and noise reduction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012109.6A CN105489214A (en) | 2016-01-06 | 2016-01-06 | Water purifier and noise reduction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105489214A true CN105489214A (en) | 2016-04-13 |
Family
ID=55676161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610012109.6A Pending CN105489214A (en) | 2016-01-06 | 2016-01-06 | Water purifier and noise reduction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105489214A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896557A (en) * | 2017-12-07 | 2019-06-18 | 美的集团股份有限公司 | Water purifier |
| CN109896556A (en) * | 2017-12-07 | 2019-06-18 | 美的集团股份有限公司 | Water purifier |
| CN114275918A (en) * | 2021-12-07 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Water purifier and noise improvement method thereof |
| CN114409112A (en) * | 2022-01-10 | 2022-04-29 | 珠海格力电器股份有限公司 | Water purifier control method and device and water purifier |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06315680A (en) * | 1993-05-06 | 1994-11-15 | Mitsubishi Rayon Co Ltd | Noise reducing device for water purifier |
| JPH06343984A (en) * | 1993-06-08 | 1994-12-20 | Janome Sewing Mach Co Ltd | Bath water circulating device with noise silencing function |
| JPH06348285A (en) * | 1993-06-11 | 1994-12-22 | Mitsubishi Rayon Co Ltd | Noise suppressing device for water purifier |
| JPH07129185A (en) * | 1993-11-01 | 1995-05-19 | Mitsubishi Rayon Co Ltd | Noise reducing device for water purifier |
| CN104691460A (en) * | 2013-11-08 | 2015-06-10 | 沃尔沃汽车公司 | Method and system for masking noise |
-
2016
- 2016-01-06 CN CN201610012109.6A patent/CN105489214A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06315680A (en) * | 1993-05-06 | 1994-11-15 | Mitsubishi Rayon Co Ltd | Noise reducing device for water purifier |
| JPH06343984A (en) * | 1993-06-08 | 1994-12-20 | Janome Sewing Mach Co Ltd | Bath water circulating device with noise silencing function |
| JPH06348285A (en) * | 1993-06-11 | 1994-12-22 | Mitsubishi Rayon Co Ltd | Noise suppressing device for water purifier |
| JPH07129185A (en) * | 1993-11-01 | 1995-05-19 | Mitsubishi Rayon Co Ltd | Noise reducing device for water purifier |
| CN104691460A (en) * | 2013-11-08 | 2015-06-10 | 沃尔沃汽车公司 | Method and system for masking noise |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109896557A (en) * | 2017-12-07 | 2019-06-18 | 美的集团股份有限公司 | Water purifier |
| CN109896556A (en) * | 2017-12-07 | 2019-06-18 | 美的集团股份有限公司 | Water purifier |
| CN109896557B (en) * | 2017-12-07 | 2022-01-25 | 美的集团股份有限公司 | Water purifier |
| CN114275918A (en) * | 2021-12-07 | 2022-04-05 | 佛山市美的清湖净水设备有限公司 | Water purifier and noise improvement method thereof |
| CN114409112A (en) * | 2022-01-10 | 2022-04-29 | 珠海格力电器股份有限公司 | Water purifier control method and device and water purifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105489214A (en) | Water purifier and noise reduction method thereof | |
| CN110892476B (en) | Device with voice command input capability | |
| CN107294472B (en) | A kind of motor control method, device and equipment | |
| CN110454942A (en) | A kind of anti-control method for clapping vibration of more noise source devices and control device | |
| CN105698453A (en) | Frequency conversion air conditioner and stop control method and stop control device for compressor of frequency conversion air conditioner | |
| CN104344535A (en) | Method and device for adaptively adjusting frequency of conditioner motor and air conditioner | |
| CN103604259A (en) | Compressor, liquid reservoir thereof and noise control method | |
| CN105715524A (en) | Air conditioner as well as shutdown control method and device for compressor of air conditioner | |
| CN111812204B (en) | Sound insulation performance testing device and method for vehicle sound insulation material and electronic equipment | |
| US10639649B2 (en) | Feedback control method for the operation of a centrifuge | |
| CN105796010A (en) | Dust fullness prompting method, dust fullness prompting device and dust collector | |
| CN104454548A (en) | Rotary compressor | |
| CN112664606A (en) | Vibration reduction assembly, fan and method for improving starting and operating stability of fan | |
| CN206695404U (en) | Gas heater | |
| US20230393016A1 (en) | Method for associating a leak detector with an appliance | |
| CN203614408U (en) | Rotary compressor and exhaust pipe assembly thereof | |
| CN103573636A (en) | Rotating compressor and exhaust pipe assembly thereof | |
| CN104005960A (en) | Silencer and air conditioner with silencer | |
| CN112361417A (en) | Ultrasonic cleaning control method and device for range hood and range hood | |
| CN206944458U (en) | Electric heater | |
| CN201843767U (en) | Failure audio frequency analysis and diagnosis device for turbine type compressor | |
| CN110925215B (en) | Compressor noise reduction control method and device, controller and control system | |
| JPH08200726A (en) | Drain discharging apparatus for air conditioner | |
| CN114876611B (en) | Drainage device, control method, drainage system and vehicle | |
| JPS5815793A (en) | No-load operation control device of compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160413 |
|
| RJ01 | Rejection of invention patent application after publication |