CN106931479B - A kind of kitchen ventilator intelligent control method - Google Patents
A kind of kitchen ventilator intelligent control method Download PDFInfo
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- CN106931479B CN106931479B CN201511029167.1A CN201511029167A CN106931479B CN 106931479 B CN106931479 B CN 106931479B CN 201511029167 A CN201511029167 A CN 201511029167A CN 106931479 B CN106931479 B CN 106931479B
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- 238000000034 method Methods 0.000 title claims abstract description 83
- 239000000779 smoke Substances 0.000 claims abstract description 72
- 238000001514 detection method Methods 0.000 claims abstract description 47
- 230000008569 process Effects 0.000 claims abstract description 31
- 238000010411 cooking Methods 0.000 claims abstract description 28
- 230000007704 transition Effects 0.000 claims description 12
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims 1
- 239000010734 process oil Substances 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 32
- 239000007789 gas Substances 0.000 description 25
- 239000003517 fume Substances 0.000 description 7
- 241000208340 Araliaceae Species 0.000 description 4
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 4
- 235000003140 Panax quinquefolius Nutrition 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 235000008434 ginseng Nutrition 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
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- 238000004904 shortening Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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
- F24C15/2021—Arrangement or mounting of control or safety systems
Abstract
The present invention relates to a kind of kitchen ventilator intelligent control methods, the kitchen ventilator includes blower and master controller, main controller controls blower is run under different rotating speeds, the blower has the operational taps in different rotating speeds section, it is incremented by successively including at least revolving speed: the first revolving speed section gear, second revolving speed section gear, with third revolving speed section gear, the control method includes intelligent cooking program, the kitchen ventilator, which receives user instructions, executes intelligent cooking program, gear is run revolving speed one by one from low to high, and the runing time of setting is executed in different rotating speeds section gear, and in revolving speed from low to high one by one after gear end of run, detection blower fan electric current, according to the operational taps of blower current control blower.Control method of the invention makes the operational process more remarkable fluency of kitchen ventilator, improves the use feeling of user, the characteristic that each gear matching cooking process oil smoke generates, more energy saving.
Description
Technical field
The present invention relates to kitchen household electrical appliance fields, more particularly, to a kind of kitchen ventilator intelligent control method.
Background technique
Existing common kitchen ventilator is normally set up different operation ranges, such as low-grade, middle-grade or top grade, on kitchen ventilator
Equipped with the matched key of aforementioned gear, the corresponding corresponding gear of each key executes phase according to the selected key of user
The revolving speed of gear is answered, and the gear executed under each key is stabilization and unique, except non-user selects other keys, lampblack absorber wind
Machine can just switch gear operation, and the benefit of this mode is that user can operate shelves according to the selection blower of smoke evacuation demand active
Position, and intuitively stablize in gear operation process, but in practical cooking process, user does not have energy to go to pay close attention to air quality simultaneously in real time
Switch gear, most of the time only in the very big situation of oil smoke concentration, user can just go to come back to have a look whether run
It in highest gear, and then selects to keep blower in the gear continuous service, for convenience, most users directly have selected smoke machine
Highest gear, start smoke machine every time and all maintain the gear, it is such to accelerate to discharge fume and reduce operation to kitchen ventilator
Mode in the case where oil smoke generates less with high-grade operation power consumption in addition to being consumed energy, and the directly high-grade starting noise of smoke machine is larger,
Kitchen ventilator use feeling is lower；And after culinary art terminates, since remaining cigarette not yet empties, although kitchen fume concentration is not at this time
Greatly, but there is still a need for smoke machines persistently to discharge fume a period of time, if continuing high tap position operating at this time, noise is larger, and electric energy expends,
Switching low grade may be selected to continue to discharge fume if user remembers.Therefore, existing kitchen ventilator, blower operate gear to user
The dependence of selection is larger, and user needs to expend during the cooking process more energy and goes concern for the environment oil smoke concentration situation.
Summary of the invention
The present invention is the above-mentioned problems of the prior art of customer service, and provides a kind of kitchen ventilator intelligent control method.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of kitchen ventilator intelligent control method, institute
Stating kitchen ventilator includes blower and master controller, and main controller controls blower is run under different rotating speeds, and the blower has difference
The operational taps in revolving speed section, it is incremented by successively including at least revolving speed: the first revolving speed section gear, the second revolving speed section gear,
With third revolving speed section gear, the control method includes intelligent cooking program, and the kitchen ventilator receives user instructions execution intelligence
Energy cooking process, gear is run revolving speed one by one from low to high, and executes the runing time of setting in different rotating speeds section gear, and
In revolving speed from low to high one by one after gear end of run, detection blower fan electric current, according to the operational taps of blower current control blower.
Above-mentioned technical proposal can also be further perfect by following technical measures:
The detection blower fan electric current, the operational taps according to blower current control blower include that the master controller is equipped with
Blower current loading reference range, when blower current detection value be less than load reference value minimum, then control fan operation turn
Fast highest gear；When fans load detected value is greater than load reference value peak, then the oil smoke for obtaining kitchen ventilator local environment is dense
Detected value is spent, and according to gas variation amount, controls the operational taps of blower.
The oil smoke concentration detected value for obtaining kitchen ventilator local environment includes: the odor detection of smell sensor acquisition
Value, the particle concentration detected value of concentration sensor acquisition；By the sampling of odor detection value and concentration Testing value by setting accounting
Calculate the oil smoke concentration detected value of local environment；By oil smoke concentration detected value compared with gas reference value, gas variation amount is calculated.
Described according to gas variation amount, the operational taps for controlling blower include that the master controller is equipped with variable quantity reference value, work as gas
Variable quantity is less than variable quantity reference value, then controls rotation speed of fan downshift operation；When gas variation amount be greater than variable quantity reference value, then
Control rotation speed of fan upshift operation.
The control method further includes that by setpoint frequency detection blower fan electric current, and record current detected value is less than load ginseng
Value minimum or the detection number greater than load reference value peak are examined, when current detection value cannot continuously be less than load reference value
Minimum is greater than load reference value peak, then records primary current jump, when transition times are more than preset times, then by setting
Determine mode and determine range described in blower electric current, and executes the operational taps of blower under the range.
The blower further includes the 4th revolving speed section gear that revolving speed is higher than third revolving speed section gear, the intelligent cooking
Program includes, and after executing third revolving speed section gear, continues to execute the 4th revolving speed section gear by the runing time of setting, and
After 4th revolving speed section gear executes, detection blower fan electric current, and examined according to the oil smoke concentration of blower current range and environment
The operational taps of measured value control blower.Third revolving speed section gear is blower full speed running gear, the 4th revolving speed area
Between gear be overspeed gear.
The control method further includes identifying whether previous end-of-run routine is intelligence before executing intelligent cooking program
Cooking process is executed if previous end-of-run routine is intelligent cooking program by above-mentioned control method again；If previous operation
Terminate the non intelligent cooking process of program, then blower jumps directly to third revolving speed section gear.
The kitchen ventilator is additionally provided with display device, the control method further include: blower is transported in different rotating speeds section gear
When row, display device is presented different light colors or display state, and the display state includes frequency scintillation or is always on display.Institute
Stating control method includes, and before executing intelligent cooking program, after all display device all light setting times, is executing different rotating speeds
By gear setpoint frequency breathing flashing during the gear of section.
Compared with prior art, after adopting the above technical scheme, the present invention has the advantage that
Control method of the invention is provided with intelligent cooking program, and under the program, range hood fan revolving speed is from low to high
Gear is run one by one, and sets the runing time of each gear, is on the one hand alleviated emergentness when kitchen ventilator starting, is made kitchen ventilator
Operational process more remarkable fluency, improve the use feeling of user, on the other hand, each gear matching cooking process oil smoke produces
Raw characteristic, more energy saving；In addition intelligent cooking program of the invention further include after above-mentioned gear one by one end of run,
Detection to blower electric current, and according to blower electric current and oil smoke concentration detected value, the operational taps of blower are controlled, make blower at this
The operation in stage, more the smoke evacuation situation and environment oil smoke concentration situation of matching smoke machine, and the shelves of the switching fan operation of intelligence
Position, entire cooking process all do not need user and select gear, reduce the concern journey that user runs kitchen ventilator in cooking process
Degree, user can be absorbed in the culinary art of dish, the smoke evacuation of kitchen ventilator more intelligent and high-efficiency.
Detailed description of the invention
Fig. 1 is one control method flow chart of the embodiment of the present invention；
Fig. 2 is two control method of embodiment of the present invention flow chart；
Fig. 3 is three control method flow chart of the embodiment of the present invention；
Fig. 4 is four control method flow chart of the embodiment of the present invention.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
Embodiment one:
A kind of kitchen ventilator intelligent control method, the kitchen ventilator include blower and master controller, main controller controls blower
It being run under different rotating speeds, the blower has the operational taps in different rotating speeds section, incremented by successively including at least revolving speed: the
One revolving speed section gear, the second revolving speed section gear and third revolving speed section gear, such as Fig. 1, the control method include intelligence
Cooking process, the kitchen ventilator, which receives user instructions, executes intelligent cooking program, and gear is run revolving speed one by one from low to high, and
Different rotating speeds section gear executes the runing time of setting, and from low to high one by one after gear end of run, detects wind in revolving speed
Electromechanics stream, according to the operational taps of blower current control blower.Kitchen ventilator of the invention specially devises intelligent cooking program,
Under the cooking process, kitchen ventilator executes the gear switch of blower automatically, and gear is run revolving speed one by one from low to high, without
User selects gear, reduces the degree of concern that user runs kitchen ventilator in cooking process；And it is set under the cooking process each
The runing time of gear makes the cooking process more match the generation state of oil smoke in cooking process, the work of kitchen ventilator more intelligence
Can be convenient, in the present embodiment, corresponding first revolving speed section gear, the second revolving speed section gear, third revolving speed section gear point
Not Wei low grade, middle-grade, top grade, into intelligent cooking program first from underdrive operating, then enter middle-grade and top grade, revolving speed is by low
The supreme operation of gear one by one, makes the operational process more remarkable fluency of kitchen ventilator, improves the use feeling of user.
Further, the intelligent cooking program further includes above-mentioned revolving speed from low to high one by one after gear end of run, detection
Blower electric current, the master controller are equipped with blower current loading reference range, when blower current detection value is less than load reference
It is worth minimum, then controls fan operation revolving speed highest gear；When fans load detected value be greater than load reference value peak, then obtain
The oil smoke concentration detected value of kitchen ventilator local environment is taken, and according to gas variation amount, controls the operational taps of blower.The present invention
In, the intelligent cooking program is additionally provided with the cruise detection function of blower electric current, holds in the runing time of above-mentioned each gear setting
Row finishes, and master controller detection blower fan electric current, whether purpose is smooth come the smoke duct for judging kitchen ventilator, sets in master controller
Blower current loading reference range, in the present invention, blower current loading reference range is chosen to be 0.64-0.75A, work as wind
Machine current detection value is less than load reference value minimum, i.e. detected value is less than 0.64A, then determines that kitchen ventilator smoke duct has some setbacks
Freely, smoke evacuation resistance is larger, at this time main controller controls fan operation revolving speed highest gear, and in the present embodiment, kitchen ventilator is also set up
4th revolving speed section gear, i.e. superelevation shelves shown in Fig. 1, when detection determines that smoke duct is unsmooth, then main controller controls
Fan operation superelevation shelves；And when blower current detection value is greater than load reference value peak, i.e. detected value is greater than 0.75A, then sentences
Stand oil smoke machine smoke duct is smooth, and smoke evacuation resistance is smaller, can control the fortune of blower according to the air quality of local environment at this time
Row gear.Value range selected by blower current loading reference value of the invention, can preferably match gear switch of the invention
Operation, on the basis of not influencing gear switch function, blower current loading reference range of the invention can suitably amplify or
Reduce, the present invention intelligent cooking program after each revolving speed gear end of run, by detection blower fan electric current and air quality,
The subsequent operating state for controlling kitchen ventilator does not need user and artificially goes selected operation, is real intelligence smoke evacuation.
The oil smoke concentration detected value of above-mentioned acquisition kitchen ventilator local environment includes: the odor detection of smell sensor acquisition
Value, the particle concentration detected value of concentration sensor acquisition；By the sampling of odor detection value and concentration Testing value by setting accounting
Calculate the oil smoke concentration detected value of local environment；By oil smoke concentration detected value compared with gas reference value, gas variation amount is calculated.
The sampling accounting preferred embodiment is that it is 30%-40% that concentration Testing value, which samples accounting, remaining is sampled using odor detection value, i.e.,
When concentration Testing value sampling accounting is 30%, then the oil smoke concentration detected value calculated is that T=30% × P+70% × M(P is that concentration passes
Sensor sampled value, M are smell sensor sampled value), the present invention is calculated using two data of odor detection value and concentration Testing value
Oil smoke concentration detected value, and by the sampling accounting of setting, the acquisition characteristic of two sensors can be rationally utilized, calculated value is optimized,
Regulating command according to the oil smoke concentration detected value can more reasonably match the gear switch control of kitchen ventilator.It is dense to calculate oil smoke
After spending detected value, by oil smoke concentration detected value compared with gas reference value, gas variation amount is calculated.It is described to be changed according to gas
Amount, the operational taps for controlling blower include that the master controller is equipped with variable quantity reference value, when gas variation amount is less than variable quantity
Reference value then controls rotation speed of fan downshift operation；When gas variation amount be greater than variable quantity reference value, then control rotation speed of fan upshift
Operation.As shown in figure 1, variable quantity reference value is set as △ T in the present embodiment is 40, i.e., in the case of air duct determines smoothly,
△ T > 40 is then determined as that environmental gas concentration is higher than variable quantity reference value, then controls blower and run in top grade；△ T < 40, then
It is determined as that environmental gas concentration lower than variable quantity reference value, then controls blower and runs in middle-grade.Gas variation amount ginseng of the invention
Value is examined, can be higher or lower reference value according to the air feature sets itself of different geographical, the present invention is according to gas
The operational taps of concentration variable quantity adjust automatically blower make rotation speed of fan gear match current environmental gas concentration quality, not only
It can reduce smoke evacuation noise, while being also beneficial to energy saving.
The control method further includes that by setpoint frequency detection blower fan electric current, and record current detected value is less than load ginseng
Value minimum or the detection number greater than load reference value peak are examined, when current detection value cannot continuously be less than load reference value
Minimum is greater than load reference value peak, then records primary current jump, when transition times are more than preset times, then by setting
Determine mode and determine range described in blower electric current, and executes the operational taps of blower under the range.The present invention is in detection blower fan electric current
During, being also provided with the limitation of current-jump number, i.e., in primary air fan current detecting, blower electric current is less than 0.64A,
Determine that kitchen ventilator smoke duct has some setbacks, smoke evacuation resistance is larger, at this time fan operation superelevation shelves, and examines in blower electric current next time
In survey, detection blowing machine electric current is greater than 0.75A, determines that kitchen ventilator smoke duct is smooth at this time, according to oil smoke concentration detected value, oil
Smoke machine operates in high-grade or middle-grade, i.e. downshift operation has occurred in blower, and in third time blower current detecting, blower electric current becomes
For less than 0.64A, i.e. blower electric current is not greater than load reference value peak continuously, during blower gear is changed to by superelevation shelves
Shelves/top grade then becomes superelevation shelves again again, records primary current jump at this time；If in third time blower current detecting, blower electricity
0.75A is still greater than in stream, then is not greater than load reference value peak continuously for blower electric current, not records at this time, works as record
Transition times are greater than 2 times, then determine range described in blower electric current by setting means, and execute the operation shelves of blower under the range
Position in the present embodiment, when transition times are greater than 2 times, then determines that fan air channel is smooth, and control wind according to oil smoke concentration detected value
Machine gear.Transition times are devised in the present embodiment, are avoided in the unstable situation of blower current detecting, blower gear is frequently cut
It changes, and so that user is thought that kitchen ventilator occurs using problem, while blower can be protected, make it stable operation.
In the present embodiment, the blower further includes the 4th revolving speed section gear that revolving speed is higher than third revolving speed section gear,
The intelligent cooking program includes, and after executing third revolving speed section gear, continues to execute the 4th revolving speed by the runing time of setting
Section gear, and after the 4th revolving speed section gear executes, detection blower fan electric current, and according to blower current range and environment
Oil smoke concentration detected value control blower operational taps.Third revolving speed section gear is blower full speed running gear, institute
Stating the 4th revolving speed section gear is overspeed gear.As the ability to bear and safety grounds to blower, the function of superelevation gear
Rate is set as 1.1-1.25 times of power under full speed running gear.The 4th revolving speed section of overspeed is provided in the present embodiment
Gear, i.e. superelevation shelves in Fig. 1 further include that is, during intelligent cooking program revolving speed gear is run one by one from low to high
The operation of superelevation gear after high-grade end of run, and in the case where blower current detecting determines that air duct is unsmooth, using superelevation
Gear is discharged fume energetically, greatly improves the smoke exhaust efficiency of kitchen ventilator.
The control method further includes identifying whether previous end-of-run routine is intelligence before executing intelligent cooking program
Cooking process is executed if previous end-of-run routine is also intelligent cooking program by above-mentioned control method again；If previous fortune
Row terminates the non intelligent cooking process of program, then blower jumps directly to third revolving speed section gear.Intelligent range hood of the invention,
With boiling, frying and culinary art three intelligent smoke discharging functions, and corresponding operation program, this implementation are set under each function
The control method of example identifies whether the program of previous end of run is intelligent cooking journey before the execution of intelligent cooking program first
Sequence if it is, being judged as that user needs to cook again, and restarts a wheel intelligent cooking program, at this time according to above-mentioned control
Method processed is gradually run；And if previous function is not intelligent cooking program, it is judged as that user performs other function program,
Since all in culinary art, oil smoke yield is not bigger for boiling and frying, the smoke evacuation under boiling of the invention and frying program
Ability is weaker than the smoke evacuation ability under cooking process, and when previous function is not cooking process, selecting cooking process at this time, there are two
Kind of situation, the first situation are that user wants to be promoted smoke evacuation ability, second situation be after executing boiling or frying user into
It has gone cooking operation, whether which kind of situation, has required that kitchen environment is accelerated to discharge fume at this time, thus blower directly jumps at this time
To third revolving speed section gear, it directly high-grade can discharge fume, accelerate to reduce kitchen environment oil smoke concentration, have stronger practical
Property.
In order to cooperate intelligent cooking program of the invention, the more intuitive smoke machine operating status of user, oil smoke of the invention are given
Machine is additionally provided with display device, and the control method further includes that when different rotating speeds section gear is run, display device is presented blower
Different light colors or display state, the display state include frequency scintillation or are always on display.The control method includes,
Before executing intelligent cooking program, after all display device all light setting times, during executing different rotating speeds section gear
It breathes and flashes by the gear setpoint frequency.The display device of the present embodiment is the circular lamp that kitchen ventilator operation panel is arranged in, institute
Stating display state is, after opening intelligent cooking program, after all LED all light 1s, and circular lamp breathing flashing, in low-grade and middle-grade
Lower circular lamp is with 3.5s frequency scintillation, and low-grade fan operation 10s, middle-grade fan operation 20s, the lower circular lamp of top grade is with the sudden strain of a muscle of 2s frequency
Bright, top grade lower fan operation 30s divides two states under superelevation shelves, and preceding 120s is breathed with 2s frequency to be flashed, and rear 60s is with 3.5s frequency
Rate breathing flashing, i.e., gear is run one by one continues 4min therebetween, then enters blower electric current cruise detection-phase, and in blower electricity
Flow cruising phase, air duct smoothly in the case of, light is always on display, and in the case where air duct is unsmooth, light is exhaled with 3.5s frequency
Flashing is inhaled, fan operation 60s executes the period as primary under each gear, and the cruise detection of blower electric current continuously carries out, until receiving
To user's END instruction, the control method completes operation.
Control method of the invention includes intelligent cooking program, corresponding runing time is set in each gear, in cooking process
In run one by one, while have blower electric current cruise detection-phase, electric current cruise detection in, utilize odor detection value and concentration
Detected value calculates the air concentration closest to kitchen environment, and then intelligence switches smoke evacuation gear, and control method of the invention is real
The one-touch intelligent operation for realizing culinary cuisine not only conforms with China and cooks habit, and matches kitchen environment actual air matter
Amount, air draft process is natural and tripping, saves the energy, has stronger practical value.
Embodiment two:
The difference between this embodiment and the first embodiment lies in the gear of the present embodiment only includes low-grade, middle-grade and height such as Fig. 2
Shelves, the control method include being run in intelligent cooking program by low grade to high-grade gear one by one, execute setting in each gear
Runing time is varied, it is contemplated that in the present embodiment, highest gear only has top grade, therefore shortens low-grade and middle-grade operation
Time makes high-grade runing time have bigger accounting, reaches preferable smoke discharging effect, while retaining revolving speed from low to high one by one
Gear operation, makes the operational process more remarkable fluency of kitchen ventilator, improves the use feeling of user.
It is eliminated before executing intelligent cooking program in the present embodiment simultaneously, identifies whether previous end-of-run routine is intelligence
Energy cooking process, the control method of the present embodiment directly execute above-mentioned after receiving user to the operational order of intelligent cooking
Program is controlled, without identifying previous end-of-run routine, the implementation procedure of the intelligent cooking is more reliable and more stable.
After the present embodiment determines blower current detection value simultaneously, the execution gear of blower is adjusted, and blower is worked as
Current detection value is less than load reference value minimum, then controls the operation of blower top grade；When fans load detected value is greater than load ginseng
Value peak is examined, then the scope control fan operation gear according to the gas variation amount △ T that oil smoke concentration detected value calculates,
The gas variation amount reference value of the present embodiment is chosen to be 30, as △ T > 30, then controls the operation of blower middle-grade；As △ T < 30, then
The runing time for controlling blower underdrive operating, and extending the operational taps is 120s.And simultaneously because shortening in the present embodiment
The overall time of revolving speed gear operation is 165s from low to high, therefore in the cruising phase of detection blower fan electric current, has adjusted jump
Become more than after preset times, the transition times of the identifying way of the range described in blower electric current, the present embodiment can be preset as 3
It is secondary.The present embodiment is defaulted as current detection value less than load reference value minimum, determines air duct after reaching default transition times
It is unsmooth, and then execute high-grade operation.
In the present embodiment, high-grade operation is more relied on for counsel, and reduce superelevation gear, kitchen ventilator is made only to be provided with three
A gear reduces the orientation of switching, avoids user frequent for the gear switch of kitchen ventilator and generates ignorantly and be at a loss
Mood, the gear operation of the present embodiment is more stable, and increases high-grade runing time accounting, can achieve preferable smoke evacuation
Effect and use feeling.
Embodiment three:
The difference between this embodiment and the first embodiment lies in such as Fig. 3, when the present embodiment has adjusted the high-grade operation with superelevation shelves
Between, to reduce the overspeed operation time of blower, executing blower by shelves operational process, more mute safety adjusts simultaneously
The breathing flicker frequency of light display apparatus under each gear, flicker frequency is gradually speeded gear from low to high, regarding to user
More intuitive smoke evacuation impression in feel, meanwhile, the not subdivided two kinds of breathings flashing state of superelevation shelves, gear differentiation is more clear.
And in the cruise detection-phase of blower electric current, whether determining that air duct is smooth according to blower current detection value, work as air duct
It is unsmooth, directly execution high tap position operation；When air duct is smooth, directly execution middle gear is run, and is surpassed whether determining that air duct is smooth
After crossing default transition times, the acquisition of oil smoke concentration detected value and the calculating of gas variation amount, the gas of the present embodiment are just carried out
Variable quantity reference value is chosen to be 50, after jump reaches setting number, as △ T > 50, then directly determines that air duct is unsmooth, blower is held
The operation of row high tap position；As △ T < 50, then directly determine that air duct is smooth, blower executes middle gear operation, the jump time of the present embodiment
Number can be preset as 4 times.
The differentiation of the present embodiment gear is more matched with the display state of display device, and when reducing the operation of superelevation shelves
Between, use feeling is intuitive, differentiates that gear is clear；In the later period of cooking process, generating more is steam, and oil smoke content subtracts
It is few, and after culinary art terminates, the decline of kitchen environment oil smoke concentration, therefore cruise detection-phase in electric current, the present embodiment does not use
Superelevation gear, it is more mute while protecting blower；And the present embodiment determines gas variation amount model after setting transition times
It encloses, judgement whether keeping air duct smooth is simpler and more direct reliable, avoids blower gear frequent switching.
Example IV:
The difference between this embodiment and the first embodiment lies in not setting superelevation gear in the present embodiment such as Fig. 4, top grade is wind
Machine full speed running gear is at least provided with three since the present invention is run one by one from low to high in cooking stage revolving speed gear
The operational taps in a revolving speed section, the present invention can divide more revolving speed sections gear under blower full speed running gear, this
In embodiment, the operational taps provided with four revolving speed sections, in middle-grade has divided one grade two grades in, in two grades of revolving speed
One grade of revolving speed in being higher than, i.e., in the present embodiment, overspeed does not occur for blower, turns under reasonable utilization blower rated power
Fast section promotes smoke discharging effect, more energy-saving safe.It eliminates before executing intelligent cooking program, knows in the present embodiment simultaneously
Whether not previous end-of-run routine is intelligent cooking program, and the control method of the present embodiment cooks intelligence receiving user
After the operational order prepared food, above-mentioned control program is directly executed, without identifying previous end-of-run routine, the intelligent cooking
Implementation procedure is more reliable and more stable.
The present embodiment is in blower electric current cruise detection-phase, also all using the revolving speed section shelves under blower rated power
Position, when detecting blower electric current less than 0.64A, the smoke evacuation of judgement air duct is unsmooth, executes the high-grade operation of full-speed operation；When detecting
Blower electric current is greater than 0.75A, determines that air duct smoke evacuation is smooth, at this time according to calculated variable quantity reference value, △ T > 40 is then held
Two grades of operations in row；△ T < 40, then one grade of operation in execution；And in transition times judgement whether carrying out smooth, work as judgement
Jump is more than preset times, then directly executes selected gear, such as directly execute top grade or in two grades, in one grade, the present embodiment
In, two grades are chosen in directly executing, ventilation efficiency and air draft noise are balanced.And in electric current cruise detection process, this implementation
Example is changed by receiving the control mode that just terminates of user's END instruction, main control wherein, set cruise detection execution
Cycle times, completion cruise process 60s be a cruise period, then master controller record 1 time, when complete setting number, then
Master controller automatic control program terminates, and blower is out of service, and cycle times, which can according to need, to be set, after culinary art
The smoke discharging effect of phase, cycle times can be selected as 3~10 times, and the present embodiment preferably 7 times.
Above embodiment is only optimal enforcement mode of the invention, is not whole embodiments of the invention, according to this hair
Bright principle, those skilled in the art can make various modifications, such as change gas variation amount reference value or change transition times
Preset times delimit blower current loading reference range etc. again, and as long as it does not depart from the spirit of the invention, should belong to this
Invent range defined in the claim.
Claims (9)
1. a kind of kitchen ventilator intelligent control method, the kitchen ventilator includes blower and master controller, and main controller controls blower exists
It is run under different rotating speeds, which is characterized in that the blower has the operational taps in different rotating speeds section, includes at least revolving speed successively
Incremental: the first revolving speed section gear, the second revolving speed section gear and third revolving speed section gear, the control method include
Intelligent cooking program, the kitchen ventilator, which receives user instructions, executes intelligent cooking program, and gear is run revolving speed one by one from low to high,
And the runing time of setting is executed in different rotating speeds section gear, and in revolving speed from low to high one by one after gear end of run, inspection
Blower electric current is surveyed, according to the operational taps of blower current control blower, the master controller is equipped with blower current loading reference value
Range, the control method further include that by setpoint frequency detection blower fan electric current, and record current detected value is less than load reference value
Minimum or detection number greater than load reference value peak, when cannot to be continuously less than load reference value minimum for current detection value
Value is greater than load reference value peak, then records primary current jump, when transition times are more than preset times, then by setting side
Formula determines range described in blower electric current, and executes the operational taps of blower under the range.
2. control method according to claim 1, which is characterized in that the detection blower fan electric current, according to blower electric current control
The operational taps of blower processed include,
When blower current detection value be less than load reference value minimum, then control fan operation revolving speed highest gear；
When fans load detected value is greater than load reference value peak, then the oil smoke concentration for obtaining kitchen ventilator local environment detects
Value, and according to gas variation amount, control the operational taps of blower.
3. control method according to claim 2, which is characterized in that the oil smoke concentration for obtaining kitchen ventilator local environment
Detected value includes:
The odor detection value of smell sensor acquisition, the particle concentration detected value of concentration sensor acquisition；
The sampling of odor detection value and concentration Testing value is calculated to the oil smoke concentration detected value of local environment by setting accounting；
By oil smoke concentration detected value compared with gas reference value, gas variation amount is calculated.
4. control method according to claim 3, which is characterized in that it is described according to gas variation amount, control the fortune of blower
Row gear includes, and the master controller is equipped with variable quantity reference value, when gas variation amount is less than variable quantity reference value, then controls wind
The downshift operation of machine revolving speed；When gas variation amount be greater than variable quantity reference value, then control rotation speed of fan upshift operation.
5. control method according to claim 1, which is characterized in that the blower further includes that revolving speed is higher than third revolving speed area
Between gear the 4th revolving speed section gear, the intelligent cooking program includes, and after executing third revolving speed section gear, continues by setting
Fixed runing time executes the 4th revolving speed section gear, and after the 4th revolving speed section gear executes, detection blower fan electric current,
And the operational taps of blower are controlled according to the oil smoke concentration detected value of blower current range and environment.
6. control method according to claim 5, which is characterized in that third revolving speed section gear is that blower is transported at full speed
Row gear, the 4th revolving speed section gear are overspeed gear.
7. according to claim 1 to control method described in 6 any one, which is characterized in that the control method further include
Before executing intelligent cooking program, identify whether previous end-of-run routine is intelligent cooking program, if previous end-of-run routine
For intelligent cooking program, then executed again by above-mentioned control method；If the previous non intelligent cooking process of end-of-run routine, wind
Machine jumps directly to third revolving speed section gear.
8. according to claim 1 to control method described in 6 any one, which is characterized in that the kitchen ventilator is additionally provided with display
Device, the control method further include: for blower when different rotating speeds section gear is run, different light colors are presented in display device
Or display state, the display state include frequency scintillation or are always on display.
9. control method according to claim 8, which is characterized in that the control method includes executing intelligent cooking
Before program, after all display device all light setting times, set during executing different rotating speeds section gear by the gear
Frequency breathing flashing.
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| CN108151107B (en) * | 2018-03-08 | 2019-08-09 | 孙健春 | A kind of composite oil smoke machine |
| CN109506275B (en) * | 2018-12-07 | 2020-06-09 | 杭州九阳小家电有限公司 | Automatic pressure regulating control method of range hood and range hood |
| CN111895465A (en) * | 2019-05-06 | 2020-11-06 | 宁波方太厨具有限公司 | Automatic speed regulation method for range hood |
| CN113685862A (en) * | 2021-07-01 | 2021-11-23 | 宁波方太厨具有限公司 | Range hood and control method thereof |
| CN114216144A (en) * | 2021-12-14 | 2022-03-22 | 宁波方太厨具有限公司 | Range hood and impeller cleaning judgment method of fan system of range hood |
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