CN106931479A - A kind of lampblack absorber intelligent control method - Google Patents
A kind of lampblack absorber intelligent control method Download PDFInfo
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- CN106931479A CN106931479A CN201511029167.1A CN201511029167A CN106931479A CN 106931479 A CN106931479 A CN 106931479A CN 201511029167 A CN201511029167 A CN 201511029167A CN 106931479 A CN106931479 A CN 106931479A
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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
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Abstract
The present invention relates to a kind of lampblack absorber intelligent control method, the lampblack absorber includes blower fan and master controller, and main controller controls blower fan runs under different rotating speeds, and the blower fan has the interval operational tapses of different rotating speeds, at least incremented by successively including rotating speed：First rotating speed interval gear, the second rotating speed interval gear and the 3rd rotating speed interval gear, the control method includes intelligent cooking program, the lampblack absorber receives user instruction and performs intelligent cooking program, rotating speed gear operation one by one from low to high, and perform the run time of setting in different rotating speeds interval gear, and in rotating speed from low to high one by one after gear end of run, detection blower fan electric current, according to the operational tapses of blower fan current control blower fan.Control method of the invention makes the running more remarkable fluency of lampblack absorber, improves the use feeling of user, the characteristic that each gear matching cooking process oil smoke is produced, more energy saving.
Description
Technical field
The present invention relates to kitchen household electrical appliance field, more particularly, to a kind of lampblack absorber intelligent 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,The benefit of this mode is that user can operate gear according to the selection blower fan of smoke evacuation demand active,And intuitively stablize in gear operation process,But in actual cooking process,User does not have energy to go to pay close attention to air quality in real time and switch gear,Most of the time only in the case that oil smoke concentration is very big,Whether user can just go new line to have a look and operate in highest gear,And then select to keep blower fan in the gear continuous service,For convenience,Most of users directly have selected the highest gear of cigarette machine,Cigarette machine is started every time and all maintain the gear,With the operation for accelerating to discharge fume and reduce to lampblack absorber,Such mode with high-grade operation power consumption in the case where oil smoke generation is less except being consumed energy,And the direct high-grade startup noise of cigarette machine is larger,Lampblack absorber use feeling is relatively low；And work as after culinary art terminates, due to the not yet emptying of remaining cigarette, although now kitchen fume concentration is little, but still need cigarette machine persistently to discharge fume a period of time, if now continuing high tap position operating, noise is larger, and electric energy expends, if user remembers may to select to switch low-grade continuation smoke evacuation.Therefore, existing lampblack absorber, it is larger to dependence that user selects that blower fan operates gear, and user needs to expend more energy in cooking process and goes concern for the environment oil smoke concentration situation.
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 intelligent 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 intelligent control method, the lampblack absorber includes blower fan and master controller, and main controller controls blower fan runs under different rotating speeds, and the blower fan has the interval operational tapses of different rotating speeds, at least incremented by successively including rotating speed：First rotating speed interval gear, the second rotating speed interval gear and the 3rd rotating speed interval gear, the control method includes intelligent cooking program, the lampblack absorber receives user instruction and performs intelligent cooking program, rotating speed gear operation one by one from low to high, and perform the run time of setting in different rotating speeds interval gear, and in rotating speed from low to high one by one after gear end of run, detection blower fan electric current, according to the operational tapses of blower fan current control blower fan.
Above-mentioned technical proposal can also be further perfect by following technical measures：
The detection blower fan electric current, the operational tapses according to blower fan current control blower fan include that the master controller is provided with blower fan current loading reference range, when blower fan current detection value is less than load reference value minimum, then control fan operation rotating speed highest gear；When fans load detected value is more than load reference value peak, then the oil smoke concentration detected value of lampblack absorber local environment is obtained, and according to gas variation amount, control the operational tapses of blower fan.
The oil smoke concentration detected value for obtaining lampblack absorber local environment 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 oil smoke concentration detected value of local environment by setting accounting；Oil smoke concentration detected value is compared with gas reference value, gas variation amount is calculated.Described according to gas variation amount, controlling the operational tapses of blower fan includes that the master controller is provided 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 is more than variable quantity reference value, then rotation speed of fan upshift operation is controlled.
The control method also includes, by setpoint frequency detection blower fan electric current, and record current detected value is less than load reference value minimum or the detection number of times more than load reference value peak, when current detection value can not continuously less than load reference value minimum or more than load reference value peak, then record primary current saltus step, when transition times exceed preset times, then the scope as described in setting means judges blower fan electric current, and performs the operational tapses of blower fan under the scope.
The blower fan also includes fourth rotating speed interval gear of the rotating speed higher than the 3rd rotating speed interval gear, the intelligent cooking program includes, after performing the 3rd rotating speed interval gear, continue to perform the 4th rotating speed interval gear by the run time of setting, and after the gear execution of the 4th rotating speed interval terminates, detection blower fan electric current, and the operational tapses of blower fan are controlled according to the oil smoke concentration detected value of blower fan current range and environment.3rd rotating speed interval gear is blower fan full speed running gear, and the 4th rotating speed interval gear is overspeed gear.
Before the control method is additionally included in execution intelligent cooking program, recognize whether previous end-of-run routine is intelligent cooking program, if previous end-of-run routine is intelligent cooking program, performed again by above-mentioned control method；If the previous non intelligent cooking process of end-of-run routine, blower fan jumps directly to the 3rd rotating speed interval gear.
The lampblack absorber is additionally provided with display device, and the control method also includes：When different rotating speeds interval gear runs, display device is presented different light colors or dispaly state to blower fan, and the dispaly state includes frequency scintillation or often bright display.The control method includes, before intelligent cooking program is performed, after all display device all light setting times, flicker is breathed by the gear setpoint frequency during different rotating speeds interval gear is performed.
Compared with prior art, after adopting the above technical scheme, the invention has the advantages that：
Control method of the invention is provided with intelligent cooking program, under the program, the gear operation one by one from low to high of range hood fan rotating speed, and the run time of each gear is set, and emergentness when lampblack absorber starts on the one hand is alleviated, make the running more remarkable fluency of lampblack absorber, improve the use feeling of user, on the other hand, the characteristic that each gear matching cooking process oil smoke is produced, more energy saving；Other intelligent cooking program of the invention is additionally included in above-mentioned gear one by one after end of run, detection to blower fan electric current, and according to blower fan electric current and oil smoke concentration detected value, control the operational tapses of blower fan, make blower fan the stage operation, more match the smoke evacuation situation and environment oil smoke concentration situation of cigarette machine, and the gear of the switching fan operation of intelligence, whole cooking process does not all need user's selection gear, reduce the degree of concern that user in cooking process runs to lampblack absorber, user can be absorbed in the culinary art of dish, the smoke evacuation more intelligent and high-efficiency of lampblack absorber.
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；
Fig. 4 is the control method flow chart of the embodiment of the present invention four.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
Embodiment one：
A kind of lampblack absorber intelligent control method, the lampblack absorber includes blower fan and master controller, and main controller controls blower fan runs under different rotating speeds, and the blower fan has the interval operational tapses of different rotating speeds, at least incremented by successively including rotating speed：First rotating speed interval gear, the second rotating speed interval gear and the 3rd rotating speed interval gear, such as Fig. 1, the control method includes intelligent cooking program, the lampblack absorber receives user instruction and performs intelligent cooking program, rotating speed gear operation one by one from low to high, and the run time of setting is performed in different rotating speeds interval gear, and in rotating speed from low to high one by one after gear end of run, detection blower fan electric current, according to the operational tapses of blower fan current control blower fan.Lampblack absorber of the invention specially devises intelligent cooking program, under the cooking process, lampblack absorber performs the gear switch of blower fan, and rotating speed gear operation one by one from low to high automatically, gear is selected without user, the degree of concern that user in cooking process runs to lampblack absorber is reduced；And the run time of each gear is set under the cooking process, the cooking process is set more to match the generation state of oil smoke in cooking process, the work of lampblack absorber more Intelligent portable, in the present embodiment, corresponding first rotating speed interval gear, the second rotating speed interval gear, the 3rd rotating speed interval gear are respectively low-grade, middle-grade, top grade, into intelligent cooking program first from underdrive operating, then enter middle-grade and top grade, rotating speed gear operation one by one from low to high, make the running more remarkable fluency of lampblack absorber, improve the use feeling of user.
Further, the intelligent cooking program also includes above-mentioned rotating speed from low to high one by one after gear end of run, and detection blower fan electric current, the master controller is provided with blower fan current loading reference range, when blower fan current detection value is less than load reference value minimum, then fan operation rotating speed highest gear is controlled；When fans load detected value is more than load reference value peak, then the oil smoke concentration detected value of lampblack absorber local environment is obtained, and according to gas variation amount, control the operational tapses of blower fan.In the present invention, the intelligent cooking program is additionally provided with the cruise detection function of blower fan electric current, it is finished in the run time of above-mentioned each gear setting, master controller detection blower fan electric current, whether purpose is smooth to judge the smoke duct of lampblack absorber, blower fan current loading reference range is set in master controller, in the present invention, blower fan current loading reference range is chosen to be 0.64-0.75A, when blower fan current detection value is less than load reference value minimum, i.e. detected value is less than 0.64A, then judge that lampblack absorber smoke duct has some setbacks, smoke evacuation resistance is larger, now main controller controls fan operation rotating speed highest gear, in the present embodiment, lampblack absorber is also provided with the 4th rotating speed interval gear, superelevation shelves i.e. shown in Fig. 1, when detection judges that smoke duct is not smooth, then main controller controls fan operation superelevation shelves；And work as blower fan current detection value more than load reference value peak, i.e. detected value more than 0.75A, then judging that lampblack absorber smoke duct is smooth, smoke evacuation resistance is smaller, according to the air quality of local environment, can now control the operational tapses of blower fan.Value range selected by blower fan current loading reference value of the invention, gear switching operation of the invention can preferably be matched, on the basis of gear switch function is not influenceed, blower fan current loading reference range of the invention can be zoomed in or out suitably, the present invention intelligent cooking program after each rotating speed gear end of run, by detection blower fan electric current and air quality, control the subsequent operating state of lampblack absorber, do not need user artificially to go selected operation, be real intelligence smoke evacuation.
The oil smoke concentration detected value of above-mentioned acquisition lampblack absorber local environment 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 oil smoke concentration detected value of local environment by setting accounting；Oil smoke concentration detected value is compared with gas reference value, gas variation amount is calculated.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 oil smoke concentration 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 oil smoke concentration 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 oil smoke concentration detected value is controlled.After calculating oil smoke concentration detected value, oil smoke concentration detected value is compared with gas reference value, calculate gas variation amount.Described according to gas variation amount, controlling the operational tapses of blower fan includes that the master controller is provided 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 is more than variable quantity reference value, then rotation speed of fan upshift operation is controlled.As in Fig. 1, variable quantity reference value is set as that △ T are 40 in the present embodiment, i.e., in the case of air channel judges smoothly, △ T ＞ 40 are then judged to that environmental gas concentration higher than variable quantity reference value, then controls blower fan to be run in top grade；△ T ＜ 40, then be judged to that environmental gas concentration less than variable quantity reference value, then controls blower fan in middle-grade operation.Gas variation amount reference value of the invention, can be reference value higher or lower according to the air feature sets itself of different geographical, operational tapses of the present invention according to gas concentration variable quantity adjust automatically blower fan, rotation speed of fan gear is set to match current environmental gas concentration quality, smoke evacuation noise can not only be reduced, while being also beneficial to saving energy consumption.
The control method also includes, by setpoint frequency detection blower fan electric current, and record current detected value is less than load reference value minimum or the detection number of times more than load reference value peak, when current detection value can not continuously less than load reference value minimum or more than load reference value peak, then record primary current saltus step, when transition times exceed preset times, then the scope as described in setting means judges blower fan electric current, and performs the operational tapses of blower fan under the scope.The present invention is during detection blower fan electric current, it is also provided with the limitation of current-jump number of times, i.e. when in primary air fan current detecting, blower fan electric current is less than 0.64A, judge that lampblack absorber smoke duct has some setbacks, smoke evacuation resistance is larger, now fan operation superelevation shelves, and in blower fan current detecting next time, detection blowing machine electric current is more than 0.75A, now judge that lampblack absorber smoke duct is smooth, according to oil smoke concentration detected value, lampblack absorber operates in high-grade or middle-grade, i.e. blower fan there occurs downshift operation, and in third time blower fan current detecting, blower fan electric current becomes smaller than 0.64A, i.e. blower fan electric current is without continuously more than load reference value peak, blower fan gear is changed to middle-grade/top grade and then becomes superelevation shelves again again by superelevation shelves, now record primary current saltus step；If in third time blower fan current detecting, blower fan electric current is still above 0.75A, then for blower fan electric current is refused to record without load reference value peak is continuously more than, now, when record transition times are more than 2 times, then as setting means judge blower fan electric current described in scope, and the operational tapses of blower fan under the scope are performed, in the present embodiment, when transition times are more than 2 times, then judge that fan air channel is smooth, and according to oil smoke concentration detected value control blower fan gear.Transition times are devised in the present embodiment, it is to avoid in the case of blower fan current detecting is unstable, blower fan gear frequent switching, and user is thought that lampblack absorber occurs using problem, while blower fan can be protected, make it stable operation.
In the present embodiment, the blower fan also includes fourth rotating speed interval gear of the rotating speed higher than the 3rd rotating speed interval gear, the intelligent cooking program includes, after performing the 3rd rotating speed interval gear, continue to perform the 4th rotating speed interval gear by the run time of setting, and after the gear execution of the 4th rotating speed interval terminates, detection blower fan electric current, and the operational tapses of blower fan are controlled according to the oil smoke concentration detected value of blower fan current range and environment.3rd rotating speed interval gear is blower fan full speed running gear, and the 4th rotating speed interval gear is overspeed gear.Used as ability to bear and safety grounds to blower fan, the power setting of superelevation gear is 1.1-1.25 times of power under full speed running gear.The 4th rotating speed interval gear of overspeed is provided with the present embodiment, that is the superelevation shelves in Fig. 1, i.e. during intelligent cooking program rotating speed gear runs one by one from low to high, also include the operation of the superelevation gear after high-grade end of run, and in the case where blower fan current detecting judges that air channel is not smooth, discharged fume energetically using superelevation gear, greatly improved the smoke exhaust efficiency of lampblack absorber.
Before the control method is additionally included in execution intelligent cooking program, recognize whether previous end-of-run routine is intelligent cooking program, if previous end-of-run routine is also intelligent cooking program, performed again by above-mentioned control method；If the previous non intelligent cooking process of end-of-run routine, blower fan jumps directly to the 3rd rotating speed interval gear.Intelligent range hood of the invention, with the intelligent smoke discharging function of boiling, frying and culinary art three, and corresponding operation program is set under each function, the control method of the present embodiment is before the execution of intelligent cooking program, whether the program for recognizing previous end of run first is intelligent cooking program, if it is, being judged as that user needs to cook again, and restart one and take turns intelligent cooking program, now progressively run according to above-mentioned control method；And if previous function is not intelligent cooking program, then it is judged as that user performs other functions program, due to boiling and frying, all in culinary art, oil smoke yield is not bigger, therefore the smoke evacuation ability under boiling of the invention and frying program is weaker than the smoke evacuation ability under cooking process, when previous function is not cooking process, now there are two kinds of situations in selection cooking process, the first situation is that user wants lifting smoke evacuation ability, second situation is that user has carried out cooking operation after boiling or frying is performed, whether which kind of situation, now it is required for that kitchen environment is accelerated to discharge fume, thus now blower fan jumps directly to the 3rd rotating speed interval gear, directly high-grade can discharge fume, accelerate to reduce kitchen environment oil smoke concentration, with stronger practicality.
In order to coordinate intelligent cooking program of the invention, give user more intuitive cigarette machine running status, lampblack absorber of the invention is additionally provided with display device, the control method also includes, blower fan is when different rotating speeds interval gear runs, display device is presented different light colors or dispaly state, and the dispaly state includes frequency scintillation or often bright display.The control method includes, before intelligent cooking program is performed, after all display device all light setting times, flicker is breathed by the gear setpoint frequency during different rotating speeds interval gear is performed.The display device of the present embodiment is the circular lamp for being arranged on lampblack absorber guidance panel,The dispaly state is,After intelligent cooking program is opened,After all LED all lights 1s,Circular lamp breathing flicker,In low-grade and middle-grade lower circular lamp with 3.5s frequency scintillations,Low-grade fan operation 10s,Middle-grade fan operation 20s,The lower circular lamp of top grade is with 2s frequency scintillations,The lower fan operation 30s of top grade,Superelevation lower point of two states of shelves,Preceding 120s is breathed with 2s frequencies and flashed,60s is breathed with 3.5s frequencies and flashed afterwards,I.e. gear runs continue 4min therebetween one by one,Then enter blower fan electric current cruise detection-phase,And in blower fan electric current cruising phase,Air channel smoothly in the case of,Light often bright display,In the case where air channel is not smooth,Light is breathed with 3.5s frequencies and flashed,Fan operation 60s is used as once performing the cycle under each gear,The cruise detection of blower fan electric current is continuously carried out,Until receiving user's END instruction,The control method completes operation.
Control method of the invention includes intelligent cooking program, corresponding run time is set in each gear, run one by one in cooking process, there is blower fan electric current cruise detection-phase simultaneously, in electric current cruise detection, the air concentration closest to kitchen environment is calculated using odor detection value and concentration Testing value, and then intelligence switching smoke evacuation gear, control method of the invention is truly realized the one-touch intelligent operation of culinary cuisine, not only conform with China and cook custom, and matching kitchen environment actual air mass, air draft process is natural and tripping, save energy, with stronger practical value.
Embodiment two：
The present embodiment is with the difference of embodiment one, such as Fig. 2, the gear of the present embodiment only includes low grade, middle-grade and top grade, the control method is included in intelligent cooking program, run by low grade to high-grade gear one by one, the run time for performing setting in each gear is varied from, in view of in the present embodiment, highest gear only has top grade, therefore low-grade and middle-grade run time is shortened, make high-grade run time that there is bigger accounting, reach preferable smoke discharging effect, retain rotating speed gear operation one by one from low to high simultaneously, make the running more remarkable fluency of lampblack absorber, improve the use feeling of user.
Eliminated before intelligent cooking program is performed in the present embodiment simultaneously, recognize whether previous end-of-run routine is intelligent cooking program, the control method of the present embodiment, after operational order of the user to intelligent cooking is received, directly perform above-mentioned control program, without recognizing previous end-of-run routine, the implementation procedure of the intelligent cooking is more reliable and more stable.
After the present embodiment judges for blower fan current detection value simultaneously, the execution gear of blower fan is adjusted, and when blower fan current detection value is less than load reference value minimum, then controls the high-grade operation of blower fan；When fans load detected value is more than load reference value peak, then according to oil smoke concentration detected value calculate gas variation amount △ T described in scope control fan operation gear, the gas variation amount reference value of the present embodiment is chosen to be 30, as △ T ＞ 30, then controls the middle-grade operation of blower fan；As △ T ＜ 30, then blower fan underdrive operating is controlled, and it is 120s to extend the run time of the operational tapses.And simultaneously because the overall time that rotating speed gear operation from low to high is shortened in the present embodiment is 165s, therefore in the cruising phase of detection blower fan electric current, saltus step be have adjusted more than after preset times, to the identifying way of scope described in blower fan electric current, the transition times of the present embodiment can be preset as 3 times.The present embodiment is defaulted as current detection value less than load reference value minimum after default transition times are reached, and judges that air channel is not smooth, and then performs high-grade operation.
In the present embodiment, more relied on for counsel for high-grade operation, and reduce superelevation gear, lampblack absorber is set only to be provided with three gears, reduce the orientation of switching, it is to avoid user frequently produces the gear operation of ignorant and perplexed mood, the present embodiment more to stablize for the gear switch of lampblack absorber, and high-grade run time accounting is increased, preferable smoke discharging effect and use feeling can be reached.
Embodiment three：
The present embodiment is with the difference of embodiment one, such as Fig. 3, the present embodiment have adjusted the high-grade run time with superelevation shelves, to reduce the overspeed operation time of blower fan, blower fan is set to perform by shelves running, more Jing Yin safety, while have adjusted the breathing flicker frequency of light display apparatus under each gear, flicker frequency gradually speeds gear from low to high, give user's visually more intuitively smoke evacuation impression, meanwhile, the not subdivided two kinds of breathings flicker state of superelevation shelves, gear is distinguished and become apparent from.
And in the cruise detection-phase of blower fan electric current, judge that whether smooth air channel is according to blower fan current detection value, when air channel is not smooth, directly perform high tap position operation；When air channel is smooth, directly perform middle gear operation, and after whether smooth judgement air channel is more than default transition times, just carry out the collection of oil smoke concentration detected value and the calculating of gas variation amount, the gas variation amount reference value of the present embodiment is chosen to be 50, after saltus step reaches set point number, as △ T ＞ 50, then directly judge that air channel is not smooth, blower fan performs high tap position operation；As △ T ＜ 50, then directly judge that air channel is smooth, blower fan performs middle gear operation, and the transition times of the present embodiment can be preset as 4 times.
The differentiation of the present embodiment gear is more matched with the dispaly state of display device, and reduces the run time of superelevation shelves, and use feeling is directly perceived, differentiates that gear is clear；In the later stage of cooking process, it is steam to produce more, and after oil smoke content is reduced, and culinary art terminates, kitchen environment oil smoke concentration declines, therefore in electric current cruise detection-phase, the present embodiment does not use superelevation gear, more Jing Yin while protection blower fan；And the present embodiment judges gas variation amount scope, the simpler and more direct reliability of judgement for making air channel whether smooth, it is to avoid blower fan gear frequent switching after transition times are set.
Example IV：
The present embodiment is with the difference of embodiment one, such as Fig. 4, superelevation gear is not set in the present embodiment, top grade is blower fan full speed running gear, because the present invention runs one by one from low to high in cooking stage rotating speed gear, therefore at least provided with the operational tapses that three rotating speeds are interval, the present invention can divide more rotating speed intervals gear under blower fan full speed running gear, in the present embodiment, there is provided the interval operational tapses of four rotating speeds, in middle-grade division one grade two grades with, in two grades of rotating speed be higher than in one grade of rotating speed, i.e. in the present embodiment, there is no overspeed in blower fan, it is rational interval using the rotating speed under blower fan rated power, lifting smoke discharging effect, more energy-saving safe.Eliminated before intelligent cooking program is performed in the present embodiment simultaneously, recognize whether previous end-of-run routine is intelligent cooking program, the control method of the present embodiment, after operational order of the user to intelligent cooking is received, directly perform above-mentioned control program, without recognizing previous end-of-run routine, the implementation procedure of the intelligent cooking is more reliable and more stable.
The present embodiment, also all using the rotating speed interval gear under blower fan rated power, when blower fan electric current is detected less than 0.64A, judges that air channel is discharged fume not freely in blower fan electric current cruise detection-phase, performs the high-grade operation of full-speed operation；When blower fan electric current is detected more than 0.75A, judge that air channel smoke evacuation is smooth, now according to the variable quantity reference value for calculating, △ T ＞ 40, then two grades of operations in performing；△ T ＜ 40, then one grade of operation in performing；And in whether smooth transition times judgement is carried out, when saltus step is judged more than preset times, then directly perform selected gear, as directly perform top grade or in two grades, in one grade, in the present embodiment, choose two grades in directly performing, balance ventilation efficiency and air draft noise.And in electric current cruise detection process, the present embodiment is changed by receiving the control mode that user's END instruction just terminates, in main control wherein, set the cycle times that cruise detection is performed, it is a cruise cycle to complete cruise process 60s, then master controller is recorded 1 time, when completion set point number, then master controller automatic control program terminates, blower fan is out of service, and cycle times can be set as needed, according to the smoke discharging effect in culinary art later stage, cycle times can be chosen to be 3~10 times, the present embodiment preferably 7 times.
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 change transition times preset times or delimit blower fan current loading reference range again, 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 intelligent control method, the lampblack absorber includes blower fan and master controller, and main controller controls blower fan run under different rotating speeds, it is characterised in that the blower fan has the operational tapses in different rotating speeds interval, at least incremented by successively including rotating speed：First rotating speed interval gear, the second rotating speed interval gear and the 3rd rotating speed interval gear, the control method includes intelligent cooking program, the lampblack absorber receives user instruction and performs intelligent cooking program, rotating speed gear operation one by one from low to high, and perform the run time of setting in different rotating speeds interval gear, and in rotating speed from low to high one by one after gear end of run, detection blower fan electric current, according to the operational tapses of blower fan current control blower fan.
2. control method according to claim 1, it is characterised in that the detection blower fan electric current, the operational tapses according to blower fan current control blower fan include that the master controller is provided with blower fan current loading reference range,
When blower fan current detection value is less than load reference value minimum, then fan operation rotating speed highest gear is controlled；
When fans load detected value is more than load reference value peak, then the oil smoke concentration detected value of lampblack absorber local environment is obtained, and according to gas variation amount, control the operational tapses of blower fan.
3. control method according to claim 2, it is characterised in that the oil smoke concentration detected value of the acquisition lampblack absorber local environment 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 oil smoke concentration detected value of local environment by setting accounting；
Oil smoke concentration detected value is compared with gas reference value, gas variation amount is calculated.
4. control method according to claim 3, it is characterised in that described according to gas variation amount, controlling the operational tapses of blower fan includes, the master controller is provided 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 is more than variable quantity reference value, then rotation speed of fan upshift operation is controlled.
5. control method according to claim 2, it is characterized in that, the control method also includes, by setpoint frequency detection blower fan electric current, and record current detected value is less than load reference value minimum or the detection number of times more than load reference value peak, when current detection value can not continuously less than load reference value minimum or more than load reference value peak, then record primary current saltus step, when transition times exceed preset times, then the scope as described in setting means judges blower fan electric current, and performs the operational tapses of blower fan under the scope.
6. control method according to claim 1, it is characterized in that, the blower fan also includes fourth rotating speed interval gear of the rotating speed higher than the 3rd rotating speed interval gear, the intelligent cooking program includes, after performing the 3rd rotating speed interval gear, the run time for continuing to press setting performs the 4th rotating speed interval gear, and after the gear execution of the 4th rotating speed interval terminates, detection blower fan electric current, and the operational tapses of blower fan are controlled according to the oil smoke concentration detected value of blower fan current range and environment.
7. control method according to claim 6, it is characterised in that the 3rd rotating speed interval gear is blower fan full speed running gear, the 4th rotating speed interval gear is overspeed gear.
8. the control method according to claim 1 to 7 any one, it is characterized in that, before the control method is additionally included in execution intelligent cooking program, recognize whether previous end-of-run routine is intelligent cooking program, if previous end-of-run routine is intelligent cooking program, performed again by above-mentioned control method；If the previous non intelligent cooking process of end-of-run routine, blower fan jumps directly to the 3rd rotating speed interval gear.
9. the control method according to claim 1 to 7 any one, it is characterised in that the lampblack absorber is additionally provided with display device, and the control method also includes：When different rotating speeds interval gear runs, display device is presented different light colors or dispaly state to blower fan, and the dispaly state includes frequency scintillation or often bright display.
10. control method according to claim 9, characterized in that, the control method includes, before intelligent cooking program is performed, after all display device all light setting times, flicker is breathed by the gear setpoint frequency during different rotating speeds interval gear is performed.
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