CN106439960A - Ultrasonic self-cleaned extractor hood and method thereof - Google Patents
Ultrasonic self-cleaned extractor hood and method thereof Download PDFInfo
- Publication number
- CN106439960A CN106439960A CN201610790285.2A CN201610790285A CN106439960A CN 106439960 A CN106439960 A CN 106439960A CN 201610790285 A CN201610790285 A CN 201610790285A CN 106439960 A CN106439960 A CN 106439960A
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- Prior art keywords
- cleaning
- cleaning fluid
- range hood
- spiral case
- impeller
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2057—Removing cooking fumes using a cleaning liquid
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses an ultrasonic self-cleaned extractor hood and a method thereof. The ultrasonic self-cleaned extractor hood comprises a controller, a machine shell and a centrifugal fan arranged in the machine shell. A cleaning liquid sucking and discharging pump and a cleaning liquid sucking and discharging port are formed in the machine shell. One connector of the cleaning liquid sucking and discharging pump communicates with the cleaning liquid sucking and discharging port through a pipeline. The other connector of the cleaning liquid sucking and discharging pump directly communicates with the bottom of a volute through a pipeline. At least two through holes are formed in the bottom of the volute. Ultrasonic transducers are fixed to the lower sides of the through holes. The fan, the cleaning liquid sucking and discharging pump and the ultrasonic transducers are connected with the controller. The problem that an extractor hood in the prior art is hard to clean or the cleaning effect is not ideal is effectively solved. The ultrasonic self-cleaned extractor hood is high in automation degree, automation cleaning of the extractor hood is truly achieved, and very high practical value is achieved.
Description
Technical field
The present invention relates to range hood technical field, especially relate to a kind of utilization ultrasonic wave and range hood is carried out from clearly
The ultrasonic wave self cleaning range hood washed and method thereof.
Background technology
Range hood has become requisite gizmology in Modern Family's culinary art, but due to objective use environment and
The restriction of product structure, range hood after used a period of time, when inside impeller in absorbing/exhausting system, spiral case owing to using
Oil smoke contact, a lot of greasy dirts can be adsorbed, the time is longer, the greasy dirt being formed be more difficult to cleaning, this is accomplished by regularly tearing open machine
Cleaning comprehensively, not so, easily causing the load in complete machine absorbing/exhausting system and strengthen, performance indications decline, and are embodied in suction
Decline, noise increasing etc..The especially greasy dirt on range hood impeller, the performance shadow as cleaned not in time, to range hood
Ring very big.And it is known that greasy dirt is a kind of spot being difficult to and being melted by liquid, also has some to possess automatically on the market and clean work(
Can range hood, but be confined to simple cleaning fluid drench, bubble cleaning, or use heating steam carry out drenching, steep cleaning, imitate
Really less desirable；Additionally, the range hood that prior art possesses automatic cleaning function is carried out just for impeller mostly, and
Helpless to the greasy dirt on spiral case inwall, and adsorb the performance that also can have a strong impact on range hood at spiral case inwall greasy dirt.With
Improving constantly of people's living standard, the continuous improvement of living conditions, the pursuit to intelligent appliance demand and convenient life is got over
Come higher, particularly the easy-to-use sexual demand of kitchen appliance is constantly risen, therefore the place for range hood inside greasy dirt
Reason, develops a kind of effect more preferable, and more convenient cleaning way has important practical meaning.Publication date is August 26 in 2015
Day, the Chinese patent document of Publication No. CN104864436A discloses a kind of range hood, range hood is provided with hydrophilic
Coating, the base of the parts of the range hood that hydrophilic coating is attached to oil smoke or greasy dirt flows through or oil smoke can touch
On material surface, and become a part for base material.Owing to hydrophilic coating has preferable hydrophilic interaction, make substrate surface to the aqueous solution
Having preferable affinity, such aqueous solution can preferably soak substrate surface, thus when greasy dirt attaches at these parts
Substrate surface when, by the aqueous solution, greasy dirt can be carried out, coordinate scrubbing tool wiping, the aqueous solution is easily accessible base material
Gap between surface and greasy dirt, makes greasy dirt gradually separate with substrate surface, owing to profit is immiscible, greasy dirt is less than water-soluble liquid-tight
Degree, makes greasy dirt float over aqueous solution top layer, and takes away greasy dirt when the aqueous solution flows, reach thoroughly to clean the effect of greasy dirt, structure
Simply, easy to clean, and mitigate the labour intensity that user cleans greasy dirt.The mode that hydrophilic coating is set is used on this range hood
Reach the purpose conveniently cleaned, but this range hood also need to when cleaning dismantle impeller, it is impossible to accomplish automatically to clean, it is impossible to
Meet market and exempt from the demand of disassembly, cleaning to range hood.
Content of the invention
The present invention solves that the range hood of prior art is difficult to the problem cleaned or cleaning performance is undesirable, one is provided
The high ultrasonic wave self cleaning range hood of easy and simple to handle, automaticity and method thereof.
The concrete technical scheme that the present invention is used by reaching above-mentioned technical purpose is：A kind of ultrasonic wave self cleaning fume-exhausting
Machine, including controller, casing and the centrifugal fan being arranged in casing, described blower fan includes spiral case and is arranged in spiral case
Impeller, the rotating shaft of described impeller be level to setting, the air outlet of blower fan is positioned at blower fan top, is provided with cleaning fluid in described casing
Suction pump and cleaning fluid suction/exhousting hole, an interface of cleaning fluid suction pump is connected with cleaning fluid suction/exhousting hole by pipeline, cleaning fluid
Another interface of suction pump is led directly to bottom spiral case by pipeline；The bottom of spiral case is at least provided with two through holes, solid on the downside of through hole
Surely having ultrasonic transducer, through hole is provided with cover plate, is provided with elastic seal ring, described wind between cover plate and ultrasonic transducer
Machine, cleaning fluid suction pump and ultrasonic transducer are all connected with controller, and the control panel of casing is additionally provided with cleaning button.
The present invention arranges ultrasonic transducer bottom the spiral case of blower fan, utilizes air duct of range hood to contain as cleaning fluid
Container, ultrasonic transducer is sealed by sealing ring with air channel, the front end of ultrasonic transducer and cleaning fluid contact surface it
Between sealed with elastic seal ring by cover plate, under the effect of suction pump, realize the suction function of cleaning fluid, by with suction
The controller of lampblack absorber carries out programme-control, to immerse cleaning fluid impeller carry out Ultrasonic Cleaning, it is achieved range hood from
Dynamic cleaning.Ultrasonic Cleaning is referred to as " brushless cleaning ", has cleaning speed fast, and effect is good, and cleannes are high, to cleaned material table
The advantages such as face not damaged, and use widely in large and medium-sized catering trade at present.Ultrasonic wave with the form of mechanical oscillation to cleaning fluid
Middle transmission energy, sound wave runs into chamber wall and liquid level all can reflect, and is overlapped with other sound wave, is formed certain
Sound field, the uniformity of this sound field directly influences the uniformity of cleaning.The general moulding of traditional container mostly is cylinder
Shape and two kinds of polygon, being same as cylindrical shape effectively cannot coordinate with ultrasonic transducer, therefore the Vessel Design of routine deflection is just many
Limit shape.And range hood has its particularity because of the surface modeling in its air channel, this usual manner is all less applicable, the solution of the present invention
Certainly measure is to use in units of single ultrasonic transducer, seals ultrasonic transducer and air channel with sealing ring, allows
Ultrasonic transducer directly acts on cleaning fluid, experiments verify that, cleaning performance is constant, effectively reduces ultrasonic wave work simultaneously
When produce resonance noise sound.In addition, the suction pump of the present invention can use two-way pump, the suction of cleaning fluid is joined by same pump with row
Close conversion valve to complete；Also can be two pumps separately, the suction of cleaning fluid be respectively completed by two pumps with row.So, this
The bright range hood solving prior art is difficult to the problem cleaned or cleaning performance is undesirable, is truly realized range hood
Automatically clean.
It as preferably, above the blower fan that cleaning fluid suction pump is arranged in casing, in casing, is provided with storagetank, described cleaning
Liquid suction/exhousting hole is connected with storagetank.Storagetank is arranged on casing by the technical program, first cleaning fluid is injected storage during cleaning
Groove, cleans its sewage after completing and, also into storagetank, finally takes out storagetank and be carried out.
Alternatively, above the blower fan that cleaning fluid suction pump is arranged in casing, on cleaning fluid suction/exhousting hole
It is equipped cleaning fluid suction pipe.The technical program uses suction pipe to complete suction and the discharge of cleaning fluid, utilizes in use and inhales
Comb connects the container containing cleaning fluid, completes the filling of cleaning fluid and the discharge of sewage.
As preferably, the bottom of spiral case is provided with heater, and heater connects controller；Described impeller and spiral case inwall
It is equipped with hydrophobic oleophobic coating.Arrange heater to heat cleaning fluid, to improve cleaning performance；And at impeller and
Spiral case inwall arranges hydrophobic oleophobic coating, can be substantially reduced the adhesive force to impeller and spiral case for the greasy dirt so that it is be easier to by clearly
Wash.
As preferably, the air outlet of blower fan is provided with turnover panel, and described turnover panel is driven by turnover panel motor, and described turnover panel motor connects
Control device.The effect of turnover panel is to close air outlet when cleaning, it is to avoid during wheel rotation get rid of cleaning fluid into flue.
As preferably, cover plate is arc, and the arcwall face of described cover plate is suitable with the arcwall face of spiral case.The arc of cover plate
Face is suitable with the arcwall face of spiral case so that ultrasonic transducer does not interferes with the properly functioning of blower fan, it is to avoid due to ultrasonic wave
The installation of transducer makes air channel be affected.
As preferably, ultrasonic transducer includes a low-frequency transducer and a high-frequency transducer, low-frequency transducer
Operating frequency is 20 to 33kHz, and the operating frequency of high-frequency transducer is 100 to 120kHz, the power of single ultrasonic transducer
It is 60 to 90 watts.The ultrasonic transducer using two kinds of frequencies can improve cleaning performance.Further, since ultrasonic transducer is put
Seated position is cleaning the bottom of liquid level, owing to the effective range of small-power ultrasonic wave is at 20 to 80 millimeters, when water level is too high
When, ultrasonic transducer will be unable to starting of oscillation；When water level is too low, can there is the substantial amounts of ultrasonic wave being reflected back bottom from liquid level, easily
Causing cavitation to cavitate in container, therefore ultrasonic wave optimal clean distance is in 30 millimeter, in conjunction with the impeller size that need to clean, liquid
Face controls and is preferred at 45 to 55 millimeters, and the power of ultrasonic transducer controls in 60 to 90 watt-hour best results.
The cleaning method of ultrasonic wave self cleaning range hood, comprises the following steps：
A. being placed in equipped with in the container of cleaning fluid at storagetank injection cleaning fluid or the lower end by cleaning fluid suction pipe, pressing is clear
Wash button, open range hood self-cleaning program.
Cleaning fluid is pumped into bottom spiral case by cleaning fluid suction/exhousting hole by b. cleaning fluid suction pump work, control cleaning fluid
Final liquid level is 45 to 55 millimeters, and the blade on impeller immerses in cleaning fluid.
C. controller control impeller reversely operates 2 weeks with the speed rotating 15 degree per second；The effect of this step is first to leaf
The overall infiltration being carried out liquid of wheel.
D. controller control impeller operates 1 week with the speed rotating 15 degree for every 30 seconds, and low-frequency transducer works, and high frequency changes
Can device stop.
E. controller control impeller operates 1 week with the speed rotating 15 degree for every 10 seconds, and high-frequency transducer works, and low frequency changes
Can device stop.
F. high-frequency transducer quits work, and controller control impeller rotates 20 to 30 seconds with normal operating rate, dries leaf
The hydrops of wheel surface, cleaning fluid suction pump work, by cleaning fluid suction/exhousting hole, the sewage bottom spiral case is pumped out, controller sends
Clean and terminate prompting.For the scheme arranging storagetank, sewage enters storagetank；For the scheme arranging cleaning fluid suction pipe,
Sewage is directly discharged by cleaning fluid suction pipe.
As preferably, the cleaning method of above-mentioned ultrasonic wave self cleaning range hood, further comprising the steps of：
H. when range hood self-cleaning program is opened, controller control turnover panel motor work, make the turnover panel of air outlet be in air-out
Mouth closed mode；Close air outlet and cleaning fluid can be limited in the spiral case of blower fan, it is to avoid during wheel rotation, cleaning fluid is got rid of
Enter flue.
I., after cleaning fluid pumps into bottom spiral case, controller is opened heater and is heated cleaning fluid, makes cleaning fluid
Temperature reaches 60 to 70 degree.
J., before impeller cleans, controller control impeller operates 1 to 2 minute with the speed rotating 1 week per second, by cleaning fluid
Get rid of to spiral case inwall, be used for cleaning spiral case inwall.
K. while controller sends cleaning end prompting, controller control turnover panel motor work, make the turnover panel of air outlet
It is in air outlet opening.
The invention has the beneficial effects as follows：The range hood that it efficiently solves prior art is difficult to clean or cleaning performance
Undesirable problem, the ultrasonic wave self cleaning range hood automaticity of the present invention is high, is truly realized range hood oneself
Dynamic cleaning, has very high practical value.
Brief description
Fig. 1 is a kind of structural representation of the embodiment of the present invention 1；
Fig. 2 is a kind of structural representation of the embodiment of the present invention 2；
Fig. 3 is a kind of partial structurtes schematic diagram of the present invention.
In figure：1. casing, 2 spiral cases, 3. impeller, 4. air outlet, 5. cleaning fluid suction pump, 6. cleaning fluid suction/exhousting hole, 7. surpass
Acoustic wave transducer, 8. cover plate, 9. elastic seal ring, 10. storagetank, 11. heaters, 12. turnover panels, 13. pipelines, 14. clean
Liquid liquid level.
Detailed description of the invention
Below by embodiment, and combine the detailed description of the invention to technical solution of the present invention for the accompanying drawing and make further
Bright.
Embodiment 1
In embodiment 1 as shown in Figure 1, a kind of ultrasonic wave self cleaning range hood, including controller, casing 1 and be arranged on
Centrifugal fan in casing, described blower fan includes spiral case 2 and the impeller 3 being arranged in spiral case, and the rotating shaft of described impeller is water
Putting down to setting, the air outlet 4 of blower fan is positioned at blower fan top, is provided with cleaning fluid suction pump 5 and cleaning fluid suction/exhousting hole 6, clearly in casing
One interface of washing lotion suction pump is connected with cleaning fluid suction/exhousting hole by pipeline 13, and another interface of cleaning fluid suction pump passes through
Pipeline leads directly to bottom spiral case；The bottom of spiral case, at least provided with two through holes, is fixed with ultrasonic transducer 7, through hole on the downside of through hole
Being provided with cover plate 8, described cover plate is arc, and the arcwall face of cover plate is suitable with the arcwall face of spiral case, cover plate and ultrasonic waves
Elastic seal ring 9 can be provided with between device（See Fig. 3）, described blower fan, cleaning fluid suction pump and ultrasonic transducer are all connected with control
Device, the control panel of casing is additionally provided with cleaning button.
It above the blower fan that the cleaning fluid suction pump of the present embodiment is arranged in casing, in casing, is provided with storagetank 10, described
Cleaning fluid suction/exhousting hole is connected with storagetank.Ultrasonic transducer includes a low-frequency transducer and a high-frequency transducer, low frequency
The operating frequency of transducer is 20 to 33kHz, and the operating frequency of high-frequency transducer is 100 to 120kHz, single ultrasonic wave transducer
The power of device is 75 watts.
The cleaning method of the ultrasonic wave self cleaning range hood of embodiment 1, comprises the following steps：
A. injecting cleaning fluid at storagetank, button is cleaned in pressing, opens range hood self-cleaning program.
Cleaning fluid is pumped into bottom spiral case by cleaning fluid suction/exhousting hole by b. cleaning fluid suction pump work, controls cleaning fluid liquid
The height in face 14 is 45 millimeters, and the blade on impeller immerses in cleaning fluid.
C. controller control impeller reversely operates 2 weeks with the speed rotating 15 degree per second.
D. controller control impeller operates 1 week with the speed rotating 15 degree for every 30 seconds, and low-frequency transducer works, and high frequency changes
Can device stop.
E. controller control impeller operates 1 week with the speed rotating 15 degree for every 10 seconds, and high-frequency transducer works, and low frequency changes
Can device stop.
F. high-frequency transducer quits work, and controller control impeller rotates 20 to 30 seconds with normal operating rate, dries leaf
The hydrops of wheel surface, cleaning fluid suction pump work, pumped out the sewage bottom spiral case to storagetank, control by cleaning fluid suction/exhousting hole
Device processed sends cleaning and terminates prompting.
Embodiment 2
In embodiment 2 as shown in Figure 2, the impeller of blower fan and spiral case inwall are equipped with hydrophobic oleophobic coating, cleaning fluid suction
Above the blower fan that pump is arranged in casing, cleaning fluid suction/exhousting hole is equipped with cleaning fluid suction pipe（Figure is not drawn into）, spiral case
Bottom be provided with heater 11, the air outlet of blower fan is provided with turnover panel 12, and described turnover panel is driven by turnover panel motor, heater with turn over
Board motor is all connected with controlling device, and remaining is identical with embodiment 1.
The cleaning method of the ultrasonic wave self cleaning range hood of embodiment 2, comprises the following steps：
A. being placed in the lower end of cleaning fluid suction pipe equipped with in the container of cleaning fluid, button is cleaned in pressing, opens range hood certainly
Cleaning procedure；Controller control turnover panel motor work, makes the turnover panel of air outlet be in air outlet closed mode.
Cleaning fluid is pumped into bottom spiral case by cleaning fluid suction/exhousting hole by b. cleaning fluid suction pump work, control cleaning fluid
Final liquid level is 55 millimeters, and the blade on impeller immerses in cleaning fluid；Controller is opened heater and is carried out cleaning fluid
Heating, makes the temperature of cleaning fluid reach 60 to 70 degree, and controller control impeller operates 1 to 2 point with the speed rotating 1 week per second
Clock, gets rid of cleaning fluid to spiral case inwall, is used for cleaning spiral case inwall.
C. controller control impeller reversely operates 2 weeks with the speed rotating 15 degree per second.
D. controller control impeller operates 1 week with the speed rotating 15 degree for every 30 seconds, and low-frequency transducer works, and high frequency changes
Can device stop.
E. controller control impeller operates 1 week with the speed rotating 15 degree for every 10 seconds, and high-frequency transducer works, and low frequency changes
Can device stop.
F. high-frequency transducer quits work, and controller control impeller rotates 20 to 30 seconds with normal operating rate, dries leaf
The hydrops of wheel surface, cleaning fluid suction pump work, by cleaning fluid suction/exhousting hole, the sewage bottom spiral case is pumped out, controller sends
Clean and terminate prompting, controller control turnover panel motor work, make the turnover panel of air outlet be in air outlet opening.
In addition to the implementation, in the scope disclosed in claims of the present invention and specification, the skill of the present invention
Art feature or technical data can reselect and combine, thus constitute new embodiment, and these are all art technology
Personnel are i.e. attainable without carrying out creative work, and the embodiment that therefore these present invention are not described in also should be regarded as this
Invention specific embodiment and within protection scope of the present invention.
Claims (10)
1. a ultrasonic wave self cleaning range hood, including controller, casing（1）And the centrifugal fan being arranged in casing,
Described blower fan includes spiral case（2）And the impeller being arranged in spiral case（3）, the rotating shaft of described impeller be level to setting, blower fan
Air outlet（4）It is positioned at blower fan top, it is characterised in that：It is provided with cleaning fluid suction pump in described casing（5）And cleaning fluid suction/exhousting hole
（6）, an interface of cleaning fluid suction pump passes through pipeline（13）Connect with cleaning fluid suction/exhousting hole, another of cleaning fluid suction pump
Interface is led directly to bottom spiral case by pipeline；The bottom of spiral case, at least provided with two through holes, is fixed with ultrasonic wave transducer on the downside of through hole
Device（7）, through hole is provided with cover plate（8）, it between cover plate and ultrasonic transducer, is provided with elastic seal ring（9）, described blower fan, cleaning
Liquid suction pump and ultrasonic transducer are all connected with controller, and the control panel of casing is additionally provided with cleaning button.
2. ultrasonic wave self cleaning range hood according to claim 1, it is characterised in that described cleaning fluid suction pump is arranged
It above blower fan in casing, in casing, is provided with storagetank（10）, described cleaning fluid suction/exhousting hole is connected with storagetank.
3. ultrasonic wave self cleaning range hood according to claim 1, it is characterised in that described cleaning fluid suction pump is arranged
Above blower fan in casing, cleaning fluid suction/exhousting hole is equipped with cleaning fluid suction pipe.
4. ultrasonic wave self cleaning range hood according to claim 1, it is characterised in that the bottom of described spiral case is provided with and adds
Thermal（11）, heater connects controller；Described impeller and spiral case inwall are equipped with hydrophobic oleophobic coating.
5. ultrasonic wave self cleaning range hood according to claim 1, it is characterised in that the air outlet of described blower fan is provided with
Turnover panel（12）, described turnover panel is driven by turnover panel motor, and described turnover panel motor connects control device.
6. ultrasonic wave self cleaning range hood according to claim 1, it is characterised in that described cover plate is arc, described
The arcwall face of cover plate is suitable with the arcwall face of spiral case.
7. ultrasonic wave self cleaning range hood according to claim 1, it is characterised in that described ultrasonic transducer includes
One low-frequency transducer and a high-frequency transducer, the operating frequency of low-frequency transducer is 20 to 33kHz, the work of high-frequency transducer
Working frequency is 100 to 120kHz.
8. ultrasonic wave self cleaning range hood according to claim 7, it is characterised in that described, single ultrasonic transducer
Power be 60 to 90 watts.
9. the method for self-cleaning of the ultrasonic wave self cleaning range hood described in claim 1-8, it is characterised in that include with
Lower step：
A. being placed in equipped with in the container of cleaning fluid at storagetank injection cleaning fluid or the lower end by cleaning fluid suction pipe, pressing is clear
Wash button, open range hood self-cleaning program；
Cleaning fluid is pumped into bottom spiral case by cleaning fluid suction/exhousting hole by b. cleaning fluid suction pump work, controls the final of cleaning fluid
Liquid level is 45 to 55 millimeters, and the blade on impeller immerses in cleaning fluid；
C. controller control impeller reversely operates 2 weeks with the speed rotating 15 degree per second；
D. controller control impeller operates 1 week with the speed rotating 15 degree for every 30 seconds, and low-frequency transducer works, high-frequency transducer
Stop；
E. controller control impeller operates 1 week with the speed rotating 15 degree for every 10 seconds, and high-frequency transducer works, low-frequency transducer
Stop；
F. high-frequency transducer quits work, and controller control impeller rotates 20 to 30 seconds with normal operating rate, dries impeller table
The hydrops in face, cleaning fluid suction pump work, by cleaning fluid suction/exhousting hole, the sewage bottom spiral case is pumped out, controller sends cleaning
Terminate prompting.
10. the method for self-cleaning of ultrasonic wave self cleaning range hood according to claim 9, it is characterised in that also include with
Lower step：
H. when range hood self-cleaning program is opened, controller control turnover panel motor work, make the turnover panel of air outlet be in air-out
Mouth closed mode；
I., after cleaning fluid pumps into bottom spiral case, controller is opened heater and is heated cleaning fluid, makes the temperature of cleaning fluid
Reach 60 to 70 degree；
J. impeller clean before, controller control impeller with per second rotate 1 week speed operate 1 to 2 minute, cleaning fluid is got rid of to
It on spiral case inwall, is used for cleaning spiral case inwall；
K. while controller sends cleaning end prompting, controller control turnover panel motor work, make the turnover panel of air outlet be in
Air outlet opening.
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| CN201610790285.2A CN106439960B (en) | 2016-08-31 | 2016-08-31 | Ultrasonic wave self cleaning range hood and its method |
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| CN201610790285.2A CN106439960B (en) | 2016-08-31 | 2016-08-31 | Ultrasonic wave self cleaning range hood and its method |
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| CN108006740A (en) * | 2017-06-08 | 2018-05-08 | 宁波方太厨具有限公司 | Self-cleaning kitchen hood and its cleaning control method |
| CN108533534A (en) * | 2018-03-09 | 2018-09-14 | 彭志军 | A kind of blower fan apparatus with self-cleaning function |
| CN108644850A (en) * | 2018-07-26 | 2018-10-12 | 佛山市顺德区美的洗涤电器制造有限公司 | Range hood |
| CN109099480A (en) * | 2018-05-21 | 2018-12-28 | 佛山市顺德区美的洗涤电器制造有限公司 | Range hood and its method, cleaning device and storage medium |
| CN111750400A (en) * | 2020-07-14 | 2020-10-09 | 青岛海信电子产业控股股份有限公司 | Range hood and cleaning control method thereof |
| US11125446B2 (en) * | 2019-11-25 | 2021-09-21 | Bsh Home Appliances Corporation | Ultrasonic filtration device for extractor hood |
| CN113864846A (en) * | 2021-11-04 | 2021-12-31 | 广东年代集成厨电有限公司 | Automatic abluent range hood |
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| CN108006740B (en) * | 2017-06-08 | 2023-06-20 | 宁波方太厨具有限公司 | Cleaning control method of self-cleaning range hood |
| CN108533534A (en) * | 2018-03-09 | 2018-09-14 | 彭志军 | A kind of blower fan apparatus with self-cleaning function |
| CN108533534B (en) * | 2018-03-09 | 2020-02-07 | 彭志军 | Fan device with self-cleaning function |
| CN109099480A (en) * | 2018-05-21 | 2018-12-28 | 佛山市顺德区美的洗涤电器制造有限公司 | Range hood and its method, cleaning device and storage medium |
| CN108644850A (en) * | 2018-07-26 | 2018-10-12 | 佛山市顺德区美的洗涤电器制造有限公司 | Range hood |
| US11125446B2 (en) * | 2019-11-25 | 2021-09-21 | Bsh Home Appliances Corporation | Ultrasonic filtration device for extractor hood |
| CN111750400A (en) * | 2020-07-14 | 2020-10-09 | 青岛海信电子产业控股股份有限公司 | Range hood and cleaning control method thereof |
| CN113864846A (en) * | 2021-11-04 | 2021-12-31 | 广东年代集成厨电有限公司 | Automatic abluent range hood |
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| CN106439960B (en) | 2018-07-17 |
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