CN107165847B - A kind of kitchen ventilator detection blower fan control method - Google Patents
A kind of kitchen ventilator detection blower fan control method Download PDFInfo
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- CN107165847B CN107165847B CN201610349680.7A CN201610349680A CN107165847B CN 107165847 B CN107165847 B CN 107165847B CN 201610349680 A CN201610349680 A CN 201610349680A CN 107165847 B CN107165847 B CN 107165847B
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- 238000001514 detection method Methods 0.000 title claims abstract description 289
- 238000000034 method Methods 0.000 title claims abstract description 49
- 239000007789 gas Substances 0.000 claims description 119
- 230000008569 process Effects 0.000 claims description 9
- 239000003570 air Substances 0.000 description 95
- 239000000779 smoke Substances 0.000 description 17
- 239000012080 ambient air Substances 0.000 description 9
- 239000003517 fume Substances 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 238000010411 cooking Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The present invention relates to a kind of kitchen ventilator detection blower fan control methods, the kitchen ventilator includes motor exhaust and master controller, motor exhaust is equipped with multiple revolving speed sections, main controller controls motor exhaust is run under different rotating speeds section, the kitchen ventilator is additionally provided with air quality detecting device, detection blower fan is equipped in the air quality detecting device, the control method includes that master controller receives Detection of Air Quality instruction；Detection blower fan starting, air quality detecting device acquire the gas detection value in environment instantly；Master controller controls motor exhaust according to gas detection value and executes corresponding revolving speed section；Detection blower fan revolving speed section according to locating for motor exhaust and execute different working condition, until Detection of Air Quality terminates, detection blower fan is out of service.The working condition of detection blower fan of this control method in the revolving speed range restraint air quality detecting device according to locating for motor exhaust, the precision of lift gas detected value.
Description
Technical field
The present invention relates to kitchen household electrical appliance fields, more particularly, to a kind of kitchen ventilator detection blower fan control method.
Background technique
The motor exhaust of existing common kitchen ventilator is normally set up different operation ranges, such as low-grade, middle-grade or height
Shelves, kitchen ventilator are equipped with and the matched key of aforementioned gear, the corresponding corresponding gear of each key, according to the selected of user
Key executes the revolving speed of corresponding gear, and the gear executed under each key is stabilization and unique, except non-user selects other to press
Key, range hood fan can just switch gear operation, and the benefit of this mode is that user can be according to the selection of smoke evacuation demand active
Blower operates gear, and intuitively stablizes in gear operation process, but in practical cooking process, and user does not have energy to go to pay close attention in real time
Air quality simultaneously switches gear, and most of the time only in the very big situation of oil smoke concentration, user can just go to look up one
Under whether operate in highest gear, and then select to keep blower in the gear continuous service, for convenience, most users are direct
The highest gear for having selected smoke machine starts smoke machine every time and all maintains the gear, to accelerate to discharge fume and reduce to kitchen ventilator
Operation, such mode is in addition to running power consumption energy consumption with high-grade in the case where oil smoke generates less, and the direct top grade of smoke machine opens
Dynamic noise is larger, and kitchen ventilator use feeling is poor；And after culinary art terminates, since remaining cigarette not yet empties, although kitchen at this time
Oil smoke concentration is little, 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, and may voluntarily select switching low grade to continue to discharge fume if user remembers, but majority of case, culinary art terminate
Afterwards, user allows motor exhaust continuous service voluntarily to close again after for a period of time.Therefore, existing kitchen ventilator, blower operate gear
It is larger to the dependence of user's selection, and user needs to expend during the cooking process more energy and removes concern for the environment oil smoke concentration shape
Condition, kitchen ventilator cannot adjust motor exhaust gear self by detection air quality, and not for detection device sheet in industry
The progress control method of body.
Summary of the invention
The present invention is the above-mentioned problems of the prior art of customer service, and provides a kind of accurate, sensitive oil of detection
Smoke machine detection blower fan control method.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of kitchen ventilator detection blower fan controlling party
Method, the kitchen ventilator include motor exhaust and master controller, and motor exhaust is equipped with multiple revolving speed sections, main controller controls air draft
Motor is run under different rotating speeds section, and the kitchen ventilator is additionally provided with air quality detecting device, the Detection of Air Quality dress
Detection blower fan is equipped in setting, the control method includes that master controller receives Detection of Air Quality instruction；Detection blower fan starting,
Air quality detecting device acquires the gas detection value in environment instantly；Master controller controls motor exhaust according to gas detection value
Execute corresponding revolving speed section；Detection blower fan revolving speed section according to locating for motor exhaust and execute different working condition, until
Detection of Air Quality terminates, and detection blower fan is out of service.
Above-mentioned technical proposal can also be further perfect by following technical measures:
Detection blower fan revolving speed section according to locating for motor exhaust and to execute different working condition include the air draft
Motor is equipped with standby mode and multiple revolving speed sections operating condition, and when motor exhaust is in standby, main controller controls are examined
Survey blower full speed running；When motor exhaust is in operating condition, main controller controls detection blower fan is at full speed or Half Speed is run.It is described
In detection blower fan operational process, when the gas detection value for acquiring environment instantly is less than the gas that motor exhaust is in the standby state
It is out of service after the first setting time of detection blower fan full speed running in the case where detecting setting value.It is described when motor exhaust is in
Operating condition, the operation of main controller controls detection blower fan Half Speed include, when gas detection value is less than setting value, detection blower fan half
Fast continuous service；When gas detection value is more than or equal to setting value, detection blower fan Half Speed intermittent duty.The detection blower fan is half
During fast intermittent duty, when the gas detection value for acquiring environment instantly is less than the gas under detection blower fan Half Speed intermittent operating state
Setting value is surveyed in physical examination, then detection blower fan is switched to Half Speed continuous service by Half Speed intermittent duty.The detection blower fan maintains Half Speed
After continuous service sets the period, detection blower fan is out of service.
The control method includes that division has multiple gas detection value range intervals, the revolving speed section operating of motor exhaust
State matches with corresponding gas detection value range intervals, the range area fallen into according to the gas detection value in environment instantly
Between control motor exhaust execute corresponding revolving speed section.The control method further includes, in the revolving speed for executing current motor exhaust
Under the working condition of section and detection blower fan, gas detection value in continuous collecting environment switches air draft according to gas detection value
The revolving speed section of motor and the working condition of detection blower fan.
The control method further includes determining whether it has received user's out code, when not receiving user's out code,
Motor exhaust executes current rotating speed section, and detection blower fan executes current working status, and continuous collecting gas detection value；Work as reception
To user's out code, then motor exhaust shuts down, out of service after detection blower fan runs the second setting time.The control
Method processed further includes when receiving user's out code, determining whether gas detection value is less than setting value, gas detection value is less than
Setting value, then it is out of service after the second setting time of detection blower fan full speed running；Gas detection value is not less than setting value, then examines
Blower is surveyed to stop running immediately.
Compared with prior art, after adopting the above technical scheme, the present invention has the advantage that
Kitchen ventilator of the invention is provided with air quality detecting device, according to the gas detection value control in acquisition instantly environment
Motor exhaust processed executes corresponding revolving speed section, and the revolving speed range restraint air quality detecting device according to locating for motor exhaust
In detection blower fan working condition, make air quality detecting device detection quality and the air quality of environment instantly closely tie
Close, that is, protect detecting element in air quality detecting device by oil pollution degree, and make the acquisition of gas detection value more
Add precisely；Detection blower fan is divided into full speed running and Half Speed runs two working conditions, and detection blower fan full speed running increases air
The gas circulation of quality detection device keeps it more sensitive and accurate to the sensing of ambient air quality variation；And in air draft electricity
Machine is under operating condition, on the one hand the operation of detection blower fan Half Speed reduces the gas circulation in air quality detecting device, with
The detecting element reduced in the air-air quality detection device containing oil smoke is polluted, and uses the longevity to extend detecting element
Life, on the other hand, due to concentration unstability of the air under flow regime, the operation of detection blower fan Half Speed slows down air quality
The jumping characteristic of detection device detected value.
Detailed description of the invention
Fig. 1 is the schematic diagram of kitchen ventilator of the invention；
Fig. 2 is the schematic diagram of air quality detecting device of the invention；
Fig. 3 is one control method flow chart of the embodiment of the present invention；
Fig. 4 is two control method of embodiment of the present invention flow chart；
Fig. 5 is three 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 detection blower fan control method, such as Fig. 1 to Fig. 3, the kitchen ventilator includes motor exhaust 1 and main control
Device, motor exhaust 1 are equipped with multiple revolving speed sections, and main controller controls motor exhaust is run under different rotating speeds section, the oil
Smoke machine is additionally provided with air quality detecting device 2, is equipped with detection blower fan 3, the control method in the air quality detecting device 2
Including master controller receives Detection of Air Quality instruction；Detection blower fan 3 starts, and air quality detecting device 2 acquires environment instantly
In gas detection value；Master controller controls motor exhaust 2 according to gas detection value and executes corresponding revolving speed section；Detection blower fan
The 3 revolving speed sections according to locating for motor exhaust 2 and execute different working condition, until Detection of Air Quality terminates, detection blower fan 3
It is out of service.Kitchen ventilator of the invention is provided with air quality detecting device, according to the gas detection value in acquisition instantly environment
It controls motor exhaust and executes corresponding revolving speed section, and the revolving speed range restraint Detection of Air Quality according to locating for motor exhaust fills
The working condition of detection blower fan in setting ties air quality detecting device detection quality and the air quality of environment instantly closely
Close, that is, protect detecting element in air quality detecting device by oil pollution degree, and make the acquisition of gas detection value more
Add precisely.
Detection blower fan revolving speed section according to locating for motor exhaust and to execute different working condition include the air draft
Motor is equipped with standby mode and multiple revolving speed sections operating condition, and when motor exhaust is in standby, main controller controls are examined
Survey blower full speed running；When motor exhaust is in operating condition, main controller controls detection blower fan is at full speed or Half Speed is run.This reality
It applies in example, is in standby using when motor exhaust, main controller controls detection blower fan full speed running；When motor exhaust is in
Operating condition, the operation of main controller controls detection blower fan Half Speed.The present invention turns according to locating for motor exhaust according to detection blower fan
Fast section and execute different working condition, detection blower fan full speed running and Half Speed are provided in the present embodiment and runs two operation shapes
State, it is necessary to rate controlling more accurate to motor exhaust, the revolving speed that can also will test blower is set as and air draft electricity
The different rotating speeds section that the multiple revolving speed sections of machine match.Motor exhaust is in the standby state in the present embodiment, detection blower fan
Full speed running increases the gas circulation of air quality detecting device, keeps it cleverer to the sensing of ambient air quality variation
It is quick accurate；And in the case where motor exhaust is in operating condition, on the one hand the operation of detection blower fan Half Speed reduces air quality detecting device
In gas circulation, with reduce the air-air quality detection device containing oil smoke in detecting element polluted, to prolong
Long detecting element service life, on the other hand, due to concentration unstability of the air under flow regime, detection blower fan Half Speed fortune
Row, slows down the jumping characteristic of air quality detecting device detected value, keeps detection data more stable accurate.
In the detection blower fan operational process, it is in standby when the gas detection value for acquiring environment instantly is less than motor exhaust
It is out of service after the first setting time of detection blower fan full speed running in the case where gas detection setting value under state.The present invention
First setting time preset for detection blower fan full speed running, in the present embodiment, the first setting time is set as 180s, that is, examines
After surveying blower full speed running 180s, detection blower fan is out of service, and function is automatically closed.When reaching the setting time, then it is assumed that when
Lower environment oil smoke concentration very little, air quality is excellent, and air quality detecting device is not required to continue to test, and then detection blower fan stops
Operation, detection function are closed.The present invention is provided with the first setting time, is defined to the full speed running time of detection blower fan,
On the one hand can be to avoid under the excellent situation of air quality, detecting element and detection blower fan in air quality detecting device are always
Operation, energy-saving and noise-reducing；On the other hand, it is not required to user to take action on one's own to close detection function, which can be automatically controled function
It closes, more intelligent humanized.
The motor exhaust of working as is in operating condition, and the operation of main controller controls detection blower fan Half Speed includes, when gas is examined
When measured value is less than setting value, detection blower fan Half Speed continuous service；When gas detection value is more than or equal to setting value, detection blower fan half
Fast intermittent duty.The present invention is to detection blower fan Half Speed operating status further division, in the present embodiment, when in acquisition instantly environment
Gas detection value 80≤Ti < 120 when, detection blower fan Half Speed continuous service；As Ti >=120, detection blower fan Half Speed interval is transported
Row；This setup can more reasonably protect detecting element, i.e., in air in the lesser situation of oil smoke concentration, detect wind
Machine Half Speed continuous service, detecting element can accurately acquire ambient air quality instantly；And it is larger to work as oil smoke concentration in air
In the case where, detection blower fan Half Speed intermittent duty avoids detecting element overweight by oil pollution, meanwhile, in this state, usually
All in culinary art or state that ambient air quality is poor, maintain higher rotation speed traffic coverage locating for current motor exhaust into
Quickly smoke evacuation is very necessary for row, and detection data is avoided to fluctuate and lead to motor exhaust revolving speed traffic coverage frequent switching.The inspection
Blower is surveyed during Half Speed intermittent duty, when the gas detection value for acquiring environment instantly is less than the intermittent duty of detection blower fan Half Speed
Gas detection setting value under state, then detection blower fan is switched to Half Speed continuous service by Half Speed intermittent duty.In the present embodiment,
During detection blower fan is in Half Speed intermittent duty, when detecting gas detection value Ti < 120, then detection blower fan is switched to
Half Speed continuous service, the detection blower fan of the present embodiment constantly match the gas detection value of environment instantly, fill Detection of Air Quality
The operating status set more matches the air quality of environment instantly, and detection data is more stable precisely.The detection blower fan maintains
After Half Speed continuous service sets the period, detection blower fan is out of service.In the present embodiment, detection blower fan maintains Half Speed continuous service
Monocycle runing time is 30s, the present embodiment will set cycle set as 16, when detection blower fan maintenance Half Speed continuous service is lasting
16 periods, i.e. after 480s, detection blower fan is out of service.By when detecting gas detection value Ti < 120, arranging in this present embodiment
Wind turbine runs 480s in the revolving speed section, the optimization to ambient air quality can be realized, therefore corresponding detection blower fan exists
Respective cycle is executed under corresponding working condition, can be out of service, the setting for the period can exist according to motor exhaust
The size and the monocyclic runing time of detection blower fan of exhaust air rate under the revolving speed section, and it is set as the different periods.This reality
It applies example and sets the period that detection blower fan maintains Half Speed continuous service, the practical situation of kitchen ventilator is more reasonably matched, in this reality
After the low-grade revolving speed section operation setting period for applying example, i.e., controllable kitchen ventilator is automatically stopped operation, reduces user and intervenes manually.
Control method of the present invention further includes having multiple gas detection value range intervals for the division of gas detection value,
The revolving speed section operating condition of motor exhaust matches with corresponding gas detection value range intervals, according to the gas in environment instantly
The range intervals control motor exhaust that physical examination measured value is fallen into executes corresponding revolving speed section.In the present embodiment, motor exhaust is set
There are standby mode and operating status, as gas detection value Ti < 80, determines that air quality is excellent, motor exhaust is in standby shape
State, and detection blower fan is with full speed running, operation duration 120s；And as gas detection value Ti >=80, determine that motor exhaust needs
Air draft operation is carried out, three-level revolving speed section has been divided in the present embodiment under motor exhaust operating status, has respectively corresponded: when 80
When≤Ti < 120, judgement air quality is good, motor exhaust underdrive operating, detection blower fan Half Speed continuous service, monocycle operation
30s；As 120≤Ti < 160, determine that air quality is poor, the operation of motor exhaust middle-grade, detection blower fan Half Speed intermittent duty,
Monocycle operation 10s stops 45s；As Ti >=160, determine that air quality is very poor, the operation of motor exhaust top grade, detection blower fan Half Speed
Intermittent duty, monocycle operation 10s stop 90s.Gas detection value Ti, Ti in air quality detecting device acquisition instantly environment
It falls into any of the above-described gas detection value range intervals, then main controller controls motor exhaust executes corresponding gear (i.e. revolving speed
Section), and detection blower fan executes different working conditions.The control method further includes executing turning for current motor exhaust
Under the working condition of fast section and detection blower fan, gas detection value in continuous collecting environment switches according to gas detection value and arranges
The revolving speed section of wind turbine and the working condition of detection blower fan.Revolving speed section and work instantly are executed in motor exhaust and detection blower fan
Make under state, the gas detection value in air quality detecting device continuous collecting environment, when gas detection value falls into other gases
Detected value range intervals, then main controller controls motor exhaust and detection blower fan speed-changing section and working condition.To avoid
Hop jump is changed frequently caused by instant gas detected value is unstable, can be used as and be sentenced using acquisition mean value whithin a period of time
Fixed gas detection value, to guarantee data credibility.The division of multiple gas detection value range intervals of the invention matches air draft
The revolving speed section of motor, kitchen ventilator can voluntarily select the revolving speed section of motor exhaust according to gas detection value range intervals, and
User's operation selection motor exhaust gear is not needed, the operation more intelligent accurate of kitchen ventilator, while sustainable acquisition environment are made
In gas detection value, according to gas detection value switch motor exhaust revolving speed section and detection blower fan working condition, constantly
Match ambient air quality instantly.
The control method further includes determining whether it has received user's out code, when not receiving user's out code,
Motor exhaust executes current rotating speed section, and detection blower fan executes current working status, and continuous collecting gas detection value；Work as reception
To user's out code, then motor exhaust shuts down, out of service after detection blower fan runs the second setting time.This implementation
In example, since the range intervals control motor exhaust that master controller can be fallen into according to the gas detection value in environment instantly is held
The corresponding revolving speed section of row, therefore, in the state of not receiving user's out code, kitchen ventilator is persistently discharged fume, and according to working as
The improvement of air quality in lower environment and the revolving speed gear for constantly reducing motor exhaust are transported when motor exhaust downshifts to low grade
Row, after 16 periods of detection blower fan Half Speed continuous service setting, then motor exhaust and detection blower fan are automatically stopped operation, corresponding empty
Makings amount detecting device is also switched off corresponding detection function；If determining that air quality is excellent according to the gas detection value in environment instantly
Good, then motor exhaust is converted to standby stalling, and after the first setting time of detection blower fan full speed running 180s, detection blower fan is stopped automatically
It only operates, air quality detecting device closes corresponding detection function.In the present embodiment, user can trust after the cooking
Air quality detection function is executed, kitchen ventilator is made to continue to discharge fume, until detecting the gas detection value air quality in environment instantly
In preferable situation, kitchen ventilator is automatically stopped operation, reduces user and intervenes manually, makes kitchen ventilator more intelligent humanized.
The control method further includes, when receiving user's out code, determining whether gas detection value is less than setting value,
Gas detection value is less than setting value, then out of service after the second setting time of detection blower fan full speed running；Gas detection value is not small
In setting value, then detection blower fan stops running immediately.In the present embodiment, determine whether gas detection value is less than setting value by sentencing
Determine gas detection value range intervals to determine, after receiving user's out code, when determining gas detection value Ti < 120, i.e.,
In 120 two gas detection value range intervals of Ti 80 or 80≤Ti of < <, then when detection blower fan full speed running second is set
Between after, out of service, the second setting time of the present embodiment is set as 5s, if after receiving user's out code, determine gas inspection
Measured value Ti >=120, i.e., in 120≤Ti < 160 or Ti >=160 two gas detection value range intervals, then detection blower fan is vertical
It is i.e. out of service.Control method of the invention is set when receiving user's out code, determines whether gas detection value is less than
The control process of setting value, purpose are receiving to preferably guarantee air quality detecting device detection quality and service life
To user's out code, detection blower fan continues to run the second setting time, cleans to air quality detecting device, for next time
Detection use is ready；Further, when gas detection value is smaller, the second setting time of full speed running utilizes clean sky
Gas cleans air quality detecting device；And when gas detection value is larger, it avoids detecting in air quality detecting device
Element by oil pollution, stop running immediately, according to ambient air quality instantly, air quality detecting device carried out more preferable
Protection.
Embodiment two:
The difference between this embodiment and the first embodiment lies in the present embodiment, air quality detecting device is equipped with gas such as Fig. 4
Reference value To is surveyed in physical examination, and air quality detecting device acquires the gas detection value Ti in environment instantly, and according to gas detection value
The difference of Ti and gas detection reference value To calculate variable quantity △ T=Ti-To of gas detection value and reference value, and according to gas
Variable quantity △ T divides gas detection value range intervals.Meanwhile detection blower fan revolving speed section according to locating for motor exhaust and
Executing different working condition includes that the motor exhaust is equipped with standby mode and multiple revolving speed sections operating condition, when air draft electricity
Machine is in standby, main controller controls detection blower fan full speed running；When motor exhaust is under operating condition, according to instantly
The gas detection value range intervals control detection blower fan that the gas variation amount of environment is fallen into is at full speed or Half Speed is run.The present embodiment
In, as gas variation amount △ T < 40, determine that air quality is excellent, motor exhaust is in standby, and detection blower fan is with complete
Speed operation, operation duration 120s；As 40≤△ T < 80, judgement air quality is good, motor exhaust underdrive operating, detection
Blower full speed running, monocycle run 20s；As 80≤△ T < 120, determine that air quality is poor, motor exhaust middle-grade fortune
Row, detection blower fan Half Speed intermittent duty, monocycle operation 10s stop 40s；As △ T >=120, determine that air quality is very poor, air draft
The operation of motor top grade, detection blower fan Half Speed intermittent duty, monocycle operation 5s stop 75s.The present embodiment passes through gas detection value meter
Gas variation amount is calculated, and gas detection value range intervals are divided by gas variation amount, for gas detection value range intervals
Division is using detection relative value, and for dividing gas detection value range intervals using detection absolute value, detection is opposite
The judgement of value is more reliable and more stable, and gas detection reference value To can also be adjusted, to meet the air of different geographical
Quality environment basis differs biggish two areas in air quality, can be by adjusting gas detection reference value To, to obtain
It obtains unified gas variation amount and then divides gas detection value range intervals, and kitchen ventilator is made to keep stable control program.Separately
Outside, in the case where motor exhaust is in operating condition, detection blower fan has also divided the working condition of full speed and Half Speed operation, makes to detect wind
Machine can accelerate the flowing of detection blower fan air under the good detection environment of air quality, sufficiently promote Detection of Air Quality dress
The sensibility set.
In addition in the present embodiment, in the state of not receiving user's out code, kitchen ventilator is persistently discharged fume, and according to working as
The improvement of air quality in lower environment constantly reduces the revolving speed gear of motor exhaust, when motor exhaust downshifts to underdrive operating,
After 18 periods (i.e. 360s) of detection blower fan Half Speed continuous service setting, then motor exhaust and detection blower fan are automatically stopped operation,
But the detection function continuous service of air quality detecting device；If determining air quality according to the gas detection value in environment instantly
Excellent, then motor exhaust is converted to standby stalling, and after the first setting time of detection blower fan full speed running 120s, detection blower fan is automatic
It shuts down, the detection function continuous service of air quality detecting device.
Control method described in the present embodiment further includes, and when receiving user's out code, determines whether gas detection value is small
In setting value, gas detection value is less than setting value, then after the second setting time of detection blower fan full speed running, out of service, this reality
It applies in example, when receiving user's out code, when being worth gas variation amount △ T < 80 calculated according to gas detection, detects wind
After machine full speed running 10s, s out of service.
The present embodiment motor exhaust is under operating condition, and detection blower fan uses at full speed and Half Speed runs two kinds of operation moulds
Formula makes detection blower fan under the good detection environment of air quality, and the sensibility of air quality detecting device is stronger；It simultaneously can be with
The revolving speed gear of motor exhaust is constantly reduced according to the improvement of the air quality in environment instantly, until detection blower fan is automatically stopped
Operation, but the detection function continuous service of air quality detecting device can weigh after detecting ambient air quality variation instantly
New starting motor exhaust and detection blower fan operation realize that indoor kitchen ventilator purifies the automated cleaning of ambient air quality instantly.
Embodiment three:
The difference between this embodiment and the first embodiment lies in such as Fig. 5, in the present embodiment, motor exhaust be equipped with standby mode and
Operating status determines that air quality is excellent, motor exhaust is in standby, and detects wind as gas detection value Ti < 70
Machine is with full speed running, operation duration 100s；And as gas detection value Ti >=70, determine that motor exhaust needs to carry out air draft behaviour
Make, has divided two-stage revolving speed section under motor exhaust operating status in the present embodiment, respectively corresponded: as 70≤Ti < 130,
Judgement air quality is good, motor exhaust underdrive operating, detection blower fan Half Speed continuous service, monocycle operation 30s；When Ti >=
When 130, determine that air quality is poor, motor exhaust top grade is run, detection blower fan Half Speed intermittent duty, and monocycle operation 10s stops
20s.In the present embodiment, since the operating status of motor exhaust has only divided two-stage revolving speed section, not according to environment instantly
In air quality improvement and constantly reduce the revolving speed gear of motor exhaust, motor exhaust is in the gear continuous service, air
Quality detection device is in lasting detection process, when detecting gas detection value Ti < 130, detection blower fan Half Speed continuous service
After setting for 10 periods, detection blower fan is out of service, and air quality detecting device detection function is automatically closed, while motor exhaust stops
Only work；When receiving user's out code, then motor exhaust shuts down, after detection blower fan runs the second setting time 12s,
Detection blower fan is out of service, and air quality detecting device detection function is automatically closed, while motor exhaust stops working.This implementation
Example control mode it is eased, motor exhaust will not frequent switching operation range, avoid user to the downshift work of motor exhaust
Make generation doubt, while even if motor exhaust also using high-grade operation, can effectively promote air purification efficiency as Ti < 130.
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 detection value range intervals, gas variation amount ginseng
Examine value, compare setting value or change the first setting time, the second setting time or setting period etc., without departing from the present invention
Spirit, should belong to range defined in claim of the present invention.
Claims (9)
1. a kind of kitchen ventilator detection blower fan control method, the kitchen ventilator include motor exhaust and master controller, motor exhaust is set
There are multiple revolving speed sections, main controller controls motor exhaust is run under different rotating speeds section, which is characterized in that the kitchen ventilator
It is additionally provided with air quality detecting device, is equipped with detection blower fan in the air quality detecting device, the control method includes, main
Controller receives Detection of Air Quality instruction；Detection blower fan starting, air quality detecting device acquire the gas in environment instantly
Detected value；Master controller controls motor exhaust according to gas detection value and executes corresponding revolving speed section；Detection blower fan is according to air draft
Revolving speed section locating for motor and execute different working condition, until Detection of Air Quality terminates, detection blower fan is out of service；
Detection blower fan revolving speed section according to locating for motor exhaust and to execute different working condition include the motor exhaust
Equipped with standby mode and multiple revolving speed sections operating condition,
When motor exhaust is in standby, main controller controls detection blower fan full speed running；
When motor exhaust is in operating condition, main controller controls detection blower fan is at full speed or Half Speed is run.
2. control method according to claim 1, which is characterized in that in the detection blower fan operational process, when acquisition is worked as
In the case that the gas detection value of lower environment is less than the gas detection setting value that motor exhaust is in the standby state, detection blower fan
It is out of service after the first setting time of full speed running.
3. control method according to claim 1, which is characterized in that described when motor exhaust is in operating condition, master control
Device control detection blower fan Half Speed processed, which is run, includes,
When gas detection value is less than setting value, detection blower fan Half Speed continuous service；
When gas detection value is more than or equal to setting value, detection blower fan Half Speed intermittent duty.
4. control method according to claim 3, which is characterized in that the detection blower fan is in Half Speed intermittent duty process
In, when acquisition instantly environment gas detection value be less than detection blower fan Half Speed intermittent operating state under gas detection setting value,
Then detection blower fan is switched to Half Speed continuous service by Half Speed intermittent duty.
5. control method according to claim 3, which is characterized in that the detection blower fan maintains the setting of Half Speed continuous service
After period, detection blower fan is out of service.
6. control method according to claim 1, which is characterized in that the control method includes that division has multiple gases
Detected value range intervals, the revolving speed section operating condition of motor exhaust match with corresponding gas detection value range intervals, root
The range intervals control motor exhaust fallen into according to the gas detection value in environment instantly executes corresponding revolving speed section.
7. control method according to claim 6, which is characterized in that the control method further includes executing when front row
Under the revolving speed section of wind turbine and the working condition of detection blower fan, the gas detection value in continuous collecting environment is examined according to gas
Measured value switches the revolving speed section of motor exhaust and the working condition of detection blower fan.
8. according to claim 1 to control method described in 7 any one, which is characterized in that the control method further includes sentencing
It is fixed whether to receive user's out code,
When not receiving user's out code, motor exhaust executes current rotating speed section, and detection blower fan executes current working status,
And continuous collecting gas detection value；
When receiving user's out code, then motor exhaust shuts down, and after detection blower fan runs the second setting time, stops fortune
Row.
9. control method according to claim 8, which is characterized in that the control method further includes, when receiving user
Out code, determines whether gas detection value is less than setting value,
Gas detection value is less than setting value, then out of service after the second setting time of detection blower fan full speed running；
Gas detection value is not less than setting value, then detection blower fan stops running immediately.
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| CN109681935A (en) * | 2018-11-27 | 2019-04-26 | 中标能效科技（北京）有限公司 | Control method, kitchen ventilator and the storage medium of kitchen ventilator |
| CN112710013A (en) * | 2019-10-25 | 2021-04-27 | 宁波方太厨具有限公司 | Range hood and control method thereof |
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