CN106931478A - A kind of lampblack absorber fresh air purifying control method - Google Patents
A kind of lampblack absorber fresh air purifying control method Download PDFInfo
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- CN106931478A CN106931478A CN201511026145.XA CN201511026145A CN106931478A CN 106931478 A CN106931478 A CN 106931478A CN 201511026145 A CN201511026145 A CN 201511026145A CN 106931478 A CN106931478 A CN 106931478A
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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
- F24C15/2021—Arrangement or mounting of control or safety systems
Abstract
The present invention relates to a kind of lampblack absorber fresh air purifying control method, the lampblack absorber includes blower fan and master controller, blower fan is provided with multiple operating gears, lampblack absorber is provided with fresh air purifying function, the fresh air purifying function has multiple working conditions, during the fresh air purifying function is performed, master controller receives fresh air purifying execute instruction；Gather the gas detected value in environment instantly；Calculate the variable quantity of gas detected value and reference value；Master controller controls blower fan to perform different working condition according to gas variation amount, until fresh air purifying function terminates.Lampblack absorber of the invention has fresh air purifying control method, oil smoke function is set to implement matching working condition according to ambient air quality, and under fresh air purifying function, above-mentioned control method automatic running, need not artificially supervise, the use more Intelligent portable of lampblack absorber.
Description
Technical field
The present invention relates to kitchen household electrical appliance field, more particularly, to a kind of lampblack absorber fresh air purifying energy control method.
Background technology
Existing common lampblack absorber is normally set up different operation ranges, such as low grade, middle-grade or top grade, lampblack absorber is provided with the button matched with foregoing gear, one corresponding gear of each button correspondence, selected button according to user performs the rotating speed of corresponding gear, and the gear performed under each button is stable and unique, except non-user selects other buttons, range hood fan can just switch gear operation, and work as after culinary art terminates, due to the not yet emptying of remaining cigarette, although now kitchen fume concentration is little, but cigarette machine is stilled need persistently to discharge fume a period of time, for Chinese most of families, smoke evacuation after culinary art is random, or turn off lampblack absorber, directly open the window；Or lampblack absorber is allowed in underdrive operating, until user remembers closing of making a return journey at any time.Existing range hood fan operates gear, and the dependence to user's selection is larger, thus user is relatively low for cooking the clean-up effect attention rate of aft galley environment.
The content of the invention
The present invention is the above-mentioned problems of the prior art of customer service, and provides a kind of lampblack absorber fresh air purifying energy control method.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：A kind of lampblack absorber fresh air purifying control method, the lampblack absorber includes blower fan and master controller, blower fan is provided with multiple operating gears, lampblack absorber is provided with fresh air purifying function, the fresh air purifying function has multiple working conditions, during the fresh air purifying function is performed, master controller receives fresh air purifying execute instruction；Gather the gas detected value in environment instantly；Calculate the variable quantity of gas detected value and reference value；Master controller controls blower fan to perform different working condition according to gas variation amount, until fresh air purifying function terminates.
Above-mentioned technical proposal can also be further perfect by following technical measures：
The working condition includes multiple states that blower fan holding state and blower fan are operated under different rotating speeds gear, operating setting time with blower fan under each working condition, and the range intervals for having different gas variation amounts are divided, the range intervals control blower fan that the gas variation amount calculated according to gas detected value falls into performs corresponding working state.
The control method also includes that the gas detected value in continuous collecting environment simultaneously calculates gas variation amount, and gas variation amount is compared with the gas variation amount range intervals of current operating state, the switch operating state under current operating state.The switch operating state includes, when gas variation amount range intervals minimum value of the gas variation amount less than current operating state, then reduces rotation speed of fan；When gas variation amount range intervals maximum of the gas variation amount more than current operating state, then rotation speed of fan is lifted.The control method also includes, when gas variation amount is in the gas variation amount range intervals of current operating state, then maintain blower fan gear under current operating state, and the range intervals that continuous collecting gas detected value, calculating gas variation amount, comparison gas variable quantity are fallen into.
Further, when gas variation amount range intervals minimum value of the gas variation amount less than current operating state, then reducing rotation speed of fan includes, after completing the operating setting time under current state, blower fan performs the working condition of a low gear.The control method also includes, when blower fan downshifts to blower fan stand-by operation state, the gas detected value in continuous collecting environment simultaneously calculates gas variation amount, if blower fan maintains the stand-by operation state to default stand-by time, terminates fresh air purifying function.When gas variation amount range intervals maximum of the gas variation amount more than current operating state, then lifting rotation speed of fan includes, gear is provided with the implementation procedure for lifting rotation speed of fan become the time soon, after performing current operating state to gear soon change time, blower fan upshifts to correspondence gas variation amount range intervals working condition.
The gas detected value gathered in environment instantly includes that the sampling of odor detection value and concentration Testing value is pressed and sets the gas detected value that accounting calculates environment instantly by the odor detection value of smell sensor collection, the particle concentration detected value of concentration sensor collection.
The lampblack absorber is additionally provided with display device, and the control method also includes, blower fan in above-mentioned working condition is performed, display device display environment air quality, and different light colors or frequency scintillation are presented under different working condition.
Compared with prior art, after adopting the above technical scheme, the invention has the advantages that：
Fresh air purifying control method of the invention, by detecting ambient air quality, blower fan is controlled to implement purification according to environmental gas variable quantity, and the working condition for purifying is according to the difference of gas variation amount, perform the different working condition under fresh air purifying function, oil smoke function is set to implement matching working condition according to ambient air quality, with preferable fresh air purifying effect, and under fresh air purifying function, above-mentioned control method automatic running, need not artificially supervise, the use more Intelligent portable of lampblack absorber；The present invention is in the purification process that upshifts, it is possible to prevente effectively from lampblack absorber gear is mutated, and it is effective detection data is more stablized, and the working condition of fresh air purifying function more matches environment actual air mass instantly.
Brief description of the drawings
Fig. 1 is the control method flow chart of the embodiment of the present invention one；
Fig. 2 is embodiment of the present invention two control method flow chart；
Fig. 3 is the control method flow chart of the embodiment of the present invention three.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Embodiment one：
A kind of lampblack absorber fresh air purifying control method, the lampblack absorber includes blower fan and master controller, blower fan is provided with multiple operating gears, lampblack absorber is provided with fresh air purifying function, such as Fig. 1, the fresh air purifying function has multiple working conditions, and during the fresh air purifying function is performed, master controller receives fresh air purifying execute instruction；Gather the gas detected value in environment instantly；Calculate the variable quantity of gas detected value and reference value；Master controller controls blower fan to perform different working condition according to gas variation amount, until fresh air purifying function terminates.Lampblack absorber of the invention is provided with fresh air purifying function, fresh air purifying application of function is under the holding state of the non-culinary art smoke evacuation of lampblack absorber, the time period do not cooked in user, lampblack absorber is by detecting ambient air quality, blower fan is controlled to implement purification according to environmental gas variable quantity, and the working condition for purifying is according to the difference of gas variation amount, perform the different working condition under fresh air purifying function, oil smoke function is set to implement matching working condition according to ambient air quality, with preferable fresh air purifying effect, and under fresh air purifying function, above-mentioned control method automatic running, need not artificially supervise, the use of lampblack absorber more Intelligent portable.
The working condition includes blower fan holding state and the multiple states operated under different rotating speeds gear, operating setting time with blower fan under each working condition, and the range intervals for having different gas variation amounts are divided, the range intervals control blower fan that the gas variation amount calculated according to gas detected value falls into performs corresponding working state.Multiple states that blower fan holding state and blower fan are operated under different rotating speeds gear are provided with the present invention, it is low-grade, middle-grade and high-grade under the different rotating speed gear existing smoke discharging functions of application lampblack absorber, status are divided into state 1 to state 4, state 1 by the present embodiment（Mo=1）Under, blower fan does not work, i.e. blower fan holding state；State 2（Mo=2）Under, the operating setting time of blower fan blower fan under underdrive operating, the working condition is 60s；State 3（Mo=3）Under, the operating setting time of blower fan blower fan under middle-grade operation, the working condition is 60s；State 4（Mo=4）Under, blower fan is run in top grade, and the operating setting time of blower fan is 80s under the working condition, and run time more long is provided with the high-grade operation of state 4, in the case of making ambient air quality poor can strength and continuing purge, reach preferable clean-up effect.The range intervals for there are different gas variation amounts are divided under each working condition of the invention simultaneously, under Mo=1 states, the range intervals for setting gas variation amount are △ T ＜ 40；Under Mo=2 states, the range intervals of correspondence gas variation amount are 40≤△ T ＜ 80；Under Mo=3 states, the range intervals of correspondence gas variation amount are 80≤△ T ＜ 120；Under Mo=4 states, the range intervals of correspondence gas variation amount are △ T >=120.In the present invention, calculating the △ T=Ti-To, Ti of gas variation amount represent the gas detected value in environment instantly, and To is gas reference value；In the present embodiment, To values are 30, i.e. when the gas detected value in the environment instantly for collecting is Ti=130, △ T=130-30=100, under 100 working conditions for dropping into Mo=3, now after middle-grade operation, blower fan continuous service are until run setting time 60s, the working condition terminates main controller controls blower fan.The present invention is matched using the working condition of blower fan with gas variation amount range intervals, real gas detected value according to environment instantly calculates gas variation amount, and then performs matched working condition, fresh air purifying function is had stronger environment specific aim, noise reduction lowers consumption, and clean-up effect is excellent.
The control method also includes that the gas detected value in continuous collecting environment simultaneously calculates gas variation amount, and gas variation amount is compared with the gas variation amount range intervals of current operating state, the switch operating state under current operating state.The switch operating state includes, when gas variation amount range intervals minimum value of the gas variation amount less than current operating state, then reduces rotation speed of fan；When gas variation amount range intervals maximum of the gas variation amount more than current operating state, then rotation speed of fan is lifted.When gas variation amount is in the gas variation amount range intervals of current operating state, then blower fan gear under current operating state, and the range intervals that continuous collecting gas detected value, calculating gas variation amount, comparison gas variable quantity are fallen into are maintained.Fresh air purifying control method of the invention is during current operating state Mo is performed, by the gas detected value Ti in continuous collecting environment and calculate gas variation amount △ T, if now △ T are in the gas variation amount interval range of current operating state Mo, that is Mi=Mo, blower fan gear under current operating state is then maintained, and continues to gather the range intervals that gas variation amount, calculating gas variation amount, comparison gas variable quantity are fallen into；If during current operating state Mo is performed, gas variation amount range intervals minimum values of the gas variation amount △ T less than current operating state Mo that gas detected value Ti according to detection is calculated, then reduce rotation speed of fan, gas detected value Ti=130 is gathered as described above, in the working condition of execution Mo=3, continuous collecting gas detected value, when Ti changes, Ti '=100 for detecting again, now △ T=100-30=70, and 70 less than current operating state Mo=3 gas variation amount range intervals minimum value 80, therefore during Mo=3 is performed, reduce rotation speed of fan；If during current operating state Mo is performed, gas variation amount range intervals maximums of the gas variation amount △ T more than current operating state Mo that gas detected value Ti according to detection is calculated, then lift rotation speed of fan, during Mo=3 is executed as described above, when Ti changes, Ti '=160, now △ T=160-30=130, and 130 are more than the maximum 120 of current operating state Mo=3 gas variation amount range intervals, therefore during Mo=3 is performed, lift rotation speed of fan.Fresh air purifying control method of the invention is additionally provided with current operating state is performed, continue to monitor gas variation amount, and according to the control process of its switch operating state, make lampblack absorber perform current operating state under, instantly ambient air quality can more be matched according to the real-time switch operating state of ambient air quality instantly, the execution of lampblack absorber.
Further,During switch operating state,When gas variation amount range intervals minimum value of the gas variation amount less than current operating state,Then reducing rotation speed of fan includes,After completing the operating setting time under current state,Blower fan performs the working condition of a low gear,Such as when working condition Mo=4 is performed,If it is Ti '=100 that now continuous collecting gas detected value Ti changes,Then △ T=70,The minimum value 120 of current operating state Mo=4 gas variation amount range intervals is not only smaller than,And less than the minimum value 80 of Mo=3 gas variation amount range intervals,But now,After control method control blower fan in the present embodiment completes the operating setting time 80s under current operating state Mo=4,Blower fan performs the working condition of a low gear,That is operation working condition Mo=3,If under the working condition of Mo=3,Continuous collecting gas detected value Ti,If the minimum value of gas variation amount range intervals of the △ T still less than current operating state Mo=3,Then after the operating setting time 60s under completing current operating state Mo=3,One grade of operation is dropped again,That is operation working condition Mo=2；Downshifted to blower fan stand-by operation state Mo=1 when blower fan is detected, gas detected value Ti in continuous collecting environment simultaneously calculates gas variation amount △ T, if blower fan maintains the stand-by operation state Mo=1 to default stand-by time, then terminate fresh air purifying function, stand-by time is preset in the present embodiment and is set as 5min, when blower fan downshifts to blower fan stand-by operation state Mo=1, then timer starts timing, in blower fan maintains the state, gas detected value in continuous collecting environment simultaneously calculates gas variation amount, if △ T are all the time in the gas variation amount range intervals in current operating state, after then default stand-by time 5min reaches, terminate fresh air purifying function, fresh air purifying control method i.e. of the present invention is performed and terminated.
When gas variation amount range intervals maximum of the gas variation amount more than current operating state, then lifting rotation speed of fan includes, gear is provided with the implementation procedure for lifting rotation speed of fan become the time soon, after performing current state gear to gear soon change time, blower fan upshifts to correspondence gas variation amount range intervals gear.Such as when blower fan stand-by operation state Mo=1 is performed, if now continuous collecting gas detected value and calculate gas variation amount △ T=100, the not only greater than maximum 40 of current operating state Mo=1 gas variation amounts range intervals, and more than the maximum 80 of Mo=2 gas variation amount range intervals, current operating state Mo=1 is then performed to after gear soon change time, directly the corresponding working condition Mo=3 of execution △ T=100.Gear of the invention becomes the time and runs setting time much smaller than each operation range soon, and in the present embodiment, gear becomes the time and is set as 10s soon.During execution blower fan stand-by operation state Mo=1, gas variation amount △ T change, working condition switches to fan operation working condition, now timing of the timer for presetting stand-by time resets and updates, when downshifting again to blower fan stand-by operation state, timing of the timer restarting to default stand-by time.The fresh air purifying function of the present embodiment, default stand-by time is maintained under with blower fan stand-by operation state Mo=1 as function terminates, i.e. in fresh air purifying until air quality is changed into excellent, otherwise the fresh air purifying function understands continuing purge surrounding air instantly, unless received the END instruction of user, such as lunch break, night or it is outgoing situations such as, even if ambient air quality is not yet purified, but user directly closes fresh air purifying function, then the function will also terminate.
Employed in the present embodiment when in downshift purification process, gear declines one by one, and complete the operation setting time of each gear corresponding working state, put and changeable drop to subsequent work state operational tapses；And in the purification process that upshifts, according to gas variation amount, can directly be upshiftd to corresponding working state after completion gear soon change time, operation setting time without completing current gear, become the time soon due to gear much smaller than each operation range operation setting time, it is thereby achieved that quick upshift operation.The lifting gear setting means of the present embodiment, during downshift, gear declines operation one by one, preferable smoke discharging effect can also be realized, and is avoided in detection process, due to detection value mutation, and make the irregular saltus step of gear, cause using for user to feel uncertain, such as by blower fan by being directly switch into Mo=1 blower fan holding states after the high-grade operations of working condition Mo=4, and user is thought lampblack absorber failure；And in shifting up operation, can quickly be upshiftd according to detected value to corresponding working state, purification power is avoided to be mismatched with ambient air quality instantly and influence clean-up effect, and the present embodiment sets gear and becomes the time soon, rather than after detection calculates gas variation amount, direct switch operating state, ensure that the stabilization of lampblack absorber operation, and the gear in setting becomes in the time soon, multiple gas detected value Ti can be gathered and average value is calculated, using the gas detected value mean value calculation gas variation amount △ T in gear soon change time, avoid certain detected value higher and be mutated lampblack absorber gear, detection data is set more to stablize effective, the working condition of fresh air purifying function more matches environment actual air mass instantly.
The gas detected value gathered in environment instantly includes that the sampling of odor detection value and concentration Testing value is pressed and sets the gas detected value that accounting calculates environment instantly by the odor detection value of smell sensor collection, the particle concentration detected value of concentration sensor collection.The sampling accounting preferred scheme is that concentration Testing value sampling accounting is 30%-40%, and remaining is sampled using odor detection value, i.e., when concentration Testing value sampling accounting is 30%, then the gas detected value for calculating is T=30% × P+70% × M（P is concentration sensor sampled value, and M is smell sensor sampled value）The present invention calculates gas detected value using two data of odor detection value and concentration Testing value, and by the sampling accounting of setting, can rationally using the collection characteristic of two sensorses, optimization calculated value, the gear switch that can more reasonably match lampblack absorber according to the regulating command of the gas detected value is controlled.
In order to coordinate intelligent cooking program of the invention, give user more intuitive lampblack absorber running status, lampblack absorber of the invention is additionally provided with display device, the control method also includes, blower fan is in above-mentioned working condition is performed, display device display environment air quality, and different light colors or frequency scintillation are presented under different working condition.The display device of the present embodiment includes being arranged on the display screen and LED of lampblack absorber guidance panel, and in the present embodiment, the fresh air purifying control method includes, under Mo=1 blower fan stand-by operation states, display device display air quality is excellent, and LED is presented green；Under Mo=2 working conditions, display device display air quality is good, and LED is presented light blue colored lights；Under Mo=3 working conditions, display device display air quality is poor, and LED is presented light blue colored lights；Under Mo=4 working conditions, display device display air quality extreme difference, LED is presented blue light.The display of ambient air quality and light, more intuitively to the working condition of user's display lampblack absorber fresh air purifying function instantly.
Fresh air purifying control method of the invention, it is applied under lampblack absorber holding state, by detecting ambient air quality, blower fan is controlled to implement purification according to environmental gas variable quantity, and the working condition for purifying is according to the difference of gas variation amount, perform the different working condition under fresh air purifying function, oil smoke function is set to implement matching working condition according to ambient air quality, with preferable fresh air purifying effect, and lampblack absorber is in the case where current operating state is performed, can be according to the real-time switch operating state of ambient air quality instantly.
Embodiment two：
The present embodiment is that such as Fig. 2, the run time in the present embodiment under each working condition has been adjusted, and run time is gradually shortened gear from low to high with the difference of embodiment one, and under Mo=2 states, the operating setting time of blower fan is 80s；Under Mo=3 states, the operating setting time of blower fan is 60s；Under Mo=4 states, the operating setting time of blower fan is 40s；It is higher that such setting runs gear, operation setting time is shorter, detection frequency is bigger, especially work as Mi=Mo, continuous collecting and gas variation amount interval range of the gas variation amount in current operating state Mo for calculating, the running of blower fan gear under maintenance current operating state, gear then run time more high is shorter, and the noise that high tap position continuous running can be avoided to cause is larger.
And in the present embodiment, Show Color and the dispaly state of LED change, under Mo=1 blower fan stand-by operation states, LED is presented green, and often bright display；Under Mo=2 working conditions, LED is presented light blue colored lights, and breathes flicker with 3.5s respiratory rates；Under Mo=3 working conditions, LED is presented blue light, and breathes flicker with 2.5s respiratory rates；Under Mo=4 working conditions, LED is presented red light, and breathes flicker with 1.5s respiratory rates.In the present embodiment, operational tapses from low to high, gradually accelerate by the respiratory rate of LED, and coordinates the pilot light of different colours, can more intuitively show the working condition of lampblack absorber.
In addition, in the present embodiment, in the state of Mi ≠ Mo, judge whether current gear run time becomes the time soon more than gear, after current state gear to gear soon change time is performed, blower fan compares to perform upshift or downshift operation according to Mi with the size of Mo, when gas variation amount range intervals maximum of the gas variation amount more than current operating state, that is during Mi ＞ Mo, soon after the change time, blower fan upshifts to correspondence gas variation amount range intervals gear gear；When gas variation amount range intervals minimum value of the gas variation amount less than current operating state, i.e. during Mi ＜ Mo, soon after the change time, blower fan performs the working condition of a low gear to gear.Not only upshifts time that become soon by gear of the present embodiment is defined, and during downshift, also sets gear and becomes the time soon, make downshift and upshift equally it is quick effectively, and downshift air draft process compatible ambient air quality is energy-saving, reduces noise.
Embodiment three：
The present embodiment is with the difference of embodiment one, in the present embodiment, for fresh air purifying function, is only provided with blower fan holding state and two each states of the work of the blower fan work state of rotating speed gear three, and under state Mo=1, blower fan does not work, and blower fan is in holding state；Under state Mo=2, the operating setting time of blower fan blower fan under underdrive operating, the working condition is 200s；Under state Mo=3, the operating setting time of blower fan blower fan under middle-grade operation, the working condition is 120s.In the present embodiment, the fan operation setting time under each rotating speed gear is increased, and be not provided with high-grade air draft, the purpose of the present embodiment is farthest to reduce air draft noise, and makes user that preferable clean-up effect is reached in low noise environment by extending air-bled time.
And in the present embodiment, the upshift of blower fan all strictly matches corresponding gas variation amount range intervals with downshift, i.e. during current gear is performed, gas detected value in continuous collecting environment simultaneously calculates gas variation amount, if △ T are beyond the gas variation amount range intervals of current operating state, then according to the corresponding gas variation amount range intervals of detected value, after gear soon change time, upshift or downshift to corresponding gas variation amount range intervals gear.In the present embodiment, extend gear to become the time soon is 20 seconds, it is to avoid working condition frequent switching, while default stand-by time is extended for into 8min in the present embodiment.The present embodiment, upshift or downshift can be sensitiveer according to detected value switch operating state, the switching of working condition, while reducing high-grade working condition, extension gear becomes the time, makes the fresh air purifying function of the present embodiment more Jing Yin and sensitive soon.
Above-mentioned implementation method is only optimal enforcement mode of the invention, it is not whole embodiments of the invention, principle of the invention, those skilled in the art can make various modifications, such as change gas variation amount reference value or delimit gas variation amount range intervals again or change gear and become the time soon with default stand-by time, without departing from spirit of the invention, scope defined in claim of the present invention all should be belonged to.
Claims (10)
1. a kind of lampblack absorber fresh air purifying control method, the lampblack absorber includes blower fan and master controller, blower fan is provided with multiple operating gears, it is characterized in that, lampblack absorber is provided with fresh air purifying function, the fresh air purifying function has multiple working conditions, and during the fresh air purifying function is performed, master controller receives fresh air purifying execute instruction；Gather the gas detected value in environment instantly；Calculate the variable quantity of gas detected value and reference value；Master controller controls blower fan to perform different working condition according to gas variation amount, until fresh air purifying function terminates.
2. control method according to claim 1, it is characterized in that, the working condition includes multiple states that blower fan holding state and blower fan are operated under different rotating speeds gear, operating setting time with blower fan under each working condition, and the range intervals for having different gas variation amounts are divided, the range intervals control blower fan that the gas variation amount calculated according to gas detected value falls into performs corresponding working state.
3. control method according to claim 2, it is characterized in that, the control method also includes, gas detected value in continuous collecting environment simultaneously calculates gas variation amount, gas variation amount is compared with the gas variation amount range intervals of current operating state, the switch operating state under current operating state.
4. control method according to claim 3, it is characterised in that the switch operating state includes, when gas variation amount range intervals minimum value of the gas variation amount less than current operating state, then reduces rotation speed of fan；When gas variation amount range intervals maximum of the gas variation amount more than current operating state, then rotation speed of fan is lifted.
5. control method according to claim 4, characterized in that, when gas variation amount range intervals minimum value of the gas variation amount less than current operating state, then reducing rotation speed of fan includes, after completing the operating setting time under current state, blower fan performs the working condition of a low gear.
6. control method according to claim 5, it is characterized in that, the control method also includes, when blower fan downshifts to blower fan stand-by operation state, gas detected value in continuous collecting environment simultaneously calculates gas variation amount, if blower fan maintains the stand-by operation state to default stand-by time, terminate fresh air purifying function.
7. control method according to claim 4, it is characterized in that, when gas variation amount range intervals maximum of the gas variation amount more than current operating state, then lifting rotation speed of fan includes, gear is provided with the implementation procedure for lifting rotation speed of fan become the time soon, after performing current operating state to gear soon change time, blower fan upshifts to correspondence gas variation amount range intervals working condition.
8. control method according to claim 3, it is characterized in that, the control method also includes, when gas variation amount is in the gas variation amount range intervals of current operating state, then maintain blower fan gear under current operating state, and the range intervals that continuous collecting gas detected value, calculating gas variation amount, comparison gas variable quantity are fallen into.
9. the control method according to claim 1 to 8 any one, it is characterized in that, the gas detected value gathered in environment instantly includes, the odor detection value of smell sensor collection, the particle concentration detected value of concentration sensor collection, the sampling of odor detection value and concentration Testing value is calculated the gas detected value of environment instantly by setting accounting.
10. the control method according to claim 1 to 8 any one, it is characterized in that, the lampblack absorber is additionally provided with display device, the control method also includes, blower fan is in above-mentioned working condition is performed, display device display environment air quality, and different light colors or frequency scintillation are presented under different working condition.
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| CN113739372A (en) * | 2021-09-12 | 2021-12-03 | 重庆纤维研究设计院股份有限公司 | Kitchen fresh air control processing method and system |
| US11915570B2 (en) | 2020-07-16 | 2024-02-27 | Ventec Life Systems, Inc. | System and method for concentrating gas |
| US11931689B2 (en) | 2020-07-16 | 2024-03-19 | Ventec Life Systems, Inc. | System and method for concentrating gas |
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| CN104819498A (en) * | 2015-04-22 | 2015-08-05 | 宁波方太厨具有限公司 | Range hood control method capable of detecting air quality |
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