CN104819498B - The range hood control method of detectable air quality - Google Patents
The range hood control method of detectable air quality Download PDFInfo
- Publication number
- CN104819498B CN104819498B CN201510193326.5A CN201510193326A CN104819498B CN 104819498 B CN104819498 B CN 104819498B CN 201510193326 A CN201510193326 A CN 201510193326A CN 104819498 B CN104819498 B CN 104819498B
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- China
- Prior art keywords
- air quality
- blower fan
- range hood
- control method
- pollution
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
Abstract
A kind of range hood control method of detectable air quality, it is characterised in that comprise the following steps：(1) sensor is started；(2) judge whether current air quality is identical with last detection, if identical, the state before keeping circulates this step；If differing, next step is performed；(3) whether be excellent, if excellent, then remain turned-off if judging current air quality, returns to step (2)；If not superior, next step is performed；(4) judge whether blower fan runs X minutes, if not reaching X minutes, return to previous step；If reaching X minutes, next step is performed；(5) current state is preserved, gear shift initialization timing is reset and is delayed Y seconds；(6) whether be excellent, if excellent if judging current air quality, initialization timing is closed, and returns to step (2)；If not superior, according to pollution index, switch gear.The advantage of the invention is that：Antijamming capability strengthens, and accuracy in detection is high, reduces the frequent starting of range hood fan, extends the life-span of lampblack absorber.
Description
Technical field
The present invention relates to a kind of range hood for kitchen use, more particularly to a kind of range hood of detectable air quality
Control method.
Background technology
At present, most of culinary lampblack absorber is to open and close dynamic behaviour to lampblack-pumped by manually controlling to realize
Make, on the one hand usually can forget to open smoke exhaust ventilator because being busy with cooking, when the big just opening of greasy smell；On the other hand exist
Most people can always simultaneously close off smoke extractor at the end of culinary art, but greasy smell, nothing may be now still filled with kitchen
Method reaches the purpose for thoroughly removing oil smoke.
In view of above-mentioned problem, in the prior art if any the application for a patent for invention of Application No. 201110033740.1
《Smoke detection system, lampblack absorber intelligence control system and lampblack absorber intelligent control method》Disclose such a Smoke Detection system
System and an intelligent control system of kitchen ventilator using the smoke detection system, by analyzing the figure in the kitchen shot
Picture, Smoke Detection is carried out to image, and judges the rank of smog, and the smoking power of smoke exhaust ventilator is set according to the degree of smog,
Reach the purpose of intelligent control smoke exhaust ventilator.
But, above-mentioned patent is that, by detecting that the regulation of lampblack absorber rotating speed is realized in indoor smog change, and Smoke Detection is set
Standby to need to use image collecting device, not only cost is high, and the change of indoor smog often changes stagnant compared with actual mist extractor
Afterwards, the real-time effect of detection is poor, it is impossible to accomplish the timely open and close controlling to lampblack absorber, in addition it is also necessary to be improved further.
The content of the invention
The technical problems to be solved by the invention are to provide one kind for above-mentioned state of the art to detect more sensitive
And the range hood control method of the high detectable air quality of the degree of accuracy.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of range hood of detectable air quality
Control method, described range hood includes blower fan, air mass sensor and main control chip, it is characterised in that described
Control method includes having the following steps：
(1), start air mass sensor, preheated 1~2 second after startup；
(2), main control chip judges whether current air quality is identical with last testing result, if testing result phase
Together, then the state before blower fan is kept, then circulates this step；If testing result is differed, next step is performed；
(3), main control chip judges whether current air quality is excellent, if air quality is excellent, blower fan is closed, then
Return to step (2)；If air quality is not reaching to excellent, blower fan, which starts, simultaneously then performs next step；
(4), main control chip judges whether the blower fan has run 1~5 minute, if run time is not up to 1~5 point
Clock, then return to previous step；If run time has reached 1~5 minute, next step is performed；Preferably 3 minutes
(5), main control chip preservation blower fan current operating conditions, blower fan resets gearshift initialization timing and started, and delay 3~
5 seconds；
(6), main control chip judges whether current air quality is excellent again, if air quality is excellent, blower fan is supplemented with money
Gearshift initialization timing is closed, and comes back to step (2)；If air quality is not reaching to excellent, referred to according to air pollution quality
Number, the rotating speed of the blower fan switches to corresponding gear.
In order to avoid wrong data inputs main control chip, preferably, the air mass sensor in the step (1) is opened
Preheated 1~2 second after dynamic.Sensor is preheated upon actuation can play a part of stable data for several seconds so that the data of detection are more
Plus it is accurate.
In order to prevent air quality from frequently changing, motor frequent switching between opening and closing is caused, as further excellent
The time of numerical value X in choosing, the step (4) is 1~5 minute.The extension fan operation time can be reduced caused by interference
Data fluctuations, reduce the frequency that motor is frequently opened, and extend motor service life.
It is described as another preferred in order to ensure that main control chip receives the Stability and veracity of sensor output signal
The time of numerical value Y in step (5) is 3~5 seconds.The state is preserved afterwards for a period of time in fan operation and is delayed, and can enter one
Step improves antijamming capability, it is to avoid signal fluctuation caused by external interference in the short time.
Preferably, the air pollution quality index in the step (6) can simply correspond to slight pollution, moderate
Pollution and three kinds of gears of severe contamination, the air quality are slight pollution, and correspondence rotation speed of fan is with 10m3/ min low speed is transported
OK；The air quality is intermediate pollution, and correspondence rotation speed of fan is with 13m3/ min middling speeds are run；The air pollution quality refers to
Number is severe contamination, and correspondence rotation speed of fan is with 15m3/ min high-speed cruisings.
Compared with prior art, the advantage of the invention is that：Detection and delays time to control are repeatedly compared in increase so that equipment
Functional reliability is improved, and antijamming capability enhancing, accuracy in detection is higher, not only avoids disturbing letter caused by external world's fluctuation
Number, maloperation is effectively prevented, and the frequent starting of range hood fan is reduced, so as to extend the life-span of lampblack absorber.
Brief description of the drawings
Fig. 1 is the control method flow chart of the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figure 1, present embodiment discloses a kind of range hood control method of detectable air quality, the fume-exhausting
Machine includes blower fan, air mass sensor and main control chip, wherein, main control chip can use various integrated electricity of the prior art
The Samsung MCU chip of road or chip microcontroller, such as model S3F8S45, air mass sensor can also select prior art
In various models, such as the present embodiment selection model AQM-300 air mass sensor.
The range hood control method that the present embodiment can detect air quality includes having the following steps：
(1), firstly, it is necessary to first start air mass sensor, in order to avoid wrong data input pickup, upon actuation
Sensor preheating is preferred for 1~2 second, sensor is preheated upon actuation can play a part of stable data for several seconds so that detection
Data it is more accurate.
(2), then, main control chip judges whether current air quality is identical with last testing result, if detection knot
Fruit is identical with last time, then the state (i.e. blower fan is remained off or starting state) before blower fan is kept, and then circulates
This step；If testing result is differed twice, next step is performed.
(3), now, main control chip judges whether current air quality is excellent, and whether air quality is excellent, if air matter
Measure to be excellent, then blower fan closes (if blower fan is open mode before, now blower fan is closed automatically), is then return to step (2)；If
Air quality is not reaching to excellent, and blower fan, which starts, simultaneously then performs next step.
(4), in order to prevent air quality from frequently changing, and motor frequent switching between closing and unlatching is caused, in wind
Machine is had been started up under state, and main control chip needs to judge whether blower fan has run 1~5 minute, if pollution sources disappear, wind
Machine is closed automatically after operating 1~5 minute, if pollution sources are persistently present, blower fan can be exhausted all the time；If run time does not reach
By 1~5 minute, then previous step is returned to；If run time has reached 1~5 minute, next step is performed；
The present embodiment preferred fan operation time can be 3 minutes, and after the operation in 3 minutes that is delayed is finished, main control chip can be read
Current pollution value is taken, to prevent state from switching the unstability of instantaneous data, the extension fan operation time can be reduced because of interference
Caused data fluctuations, reduce the frequency that motor is frequently opened, can increase system and resist the ability of external interference, so as to extend
Motor service life.
(5), in order to ensure that main control chip receives the Stability and veracity of sensor output signal, main control chip preserves wind
Machine current operating conditions, blower fan resets gearshift initialization timing and started, and is delayed 3~5 seconds；Protected afterwards for a period of time in fan operation
Deposit the state and be delayed, can further improve antijamming capability, it is to avoid signal fluctuation caused by external interference in the short time.
(6), then, main control chip judges whether current air quality is excellent again, if air quality is excellent, blower fan
Supplement gearshift initialization timing with money to close, come back to step (2)；If air quality be not reaching to it is excellent, it is dirty according to air quality
Staining index, the rotating speed of blower fan switches to corresponding gear.
Air pollution quality index in the present embodiment can simply correspond to slight pollution, intermediate pollution and serious dirt
Three kinds of gears are contaminated, when dusty gas is less than 6%, air quality is defined as excellent, and blower fan can be started without；When dusty gas exists
When between 6~12%, air quality is slight pollution, and correspondence rotation speed of fan is with 10m3/ min low speed is run；Work as dusty gas
When between 12~18%, air quality is intermediate pollution, and correspondence rotation speed of fan is with 13m3/ min middling speeds are run；Work as contamination gas
When body is more than 18%, air quality is serious pollution, and correspondence rotation speed of fan is with 15m3/ min high-speed cruisings.Air pollution quality
Index can also be divided into more ranks according to actual conditions, and the blower fan of the different gears of pollution index correspondence of different stage turns
Speed.
The control method of the present embodiment adds multiple cycle detection and delays time to control link so that the anti-interference energy of equipment
Power strengthens, and accuracy in detection is higher, is effectively reduced because external interference causes the frequent starting of range hood fan, so as to prolong
In the life-span of long lampblack absorber, improve the functional reliability of equipment.
Claims (5)
1. a kind of range hood control method of detectable air quality, described range hood includes blower fan, air quality
Sensor and main control chip, it is characterised in that described control method includes having the following steps：
(1) described air mass sensor, is started；
(2), the main control chip judges whether current air quality is identical with last testing result, if testing result phase
Together, then the state before blower fan is kept, then circulates this step；If testing result is differed, next step is performed；
(3), the main control chip judges whether current air quality is excellent, if air quality is excellent, blower fan is closed, then
Return to step (2)；If air quality is not reaching to excellent, blower fan, which starts, simultaneously then performs next step；
(4), the main control chip judges whether the blower fan has run X minutes, if run time is not up to X minutes, returns
To previous step；If run time has reached X minutes, next step is performed；
(5), the main control chip preserves blower fan current operating conditions, and blower fan resets gearshift initialization timing and started, and the Y that is delayed
Second；
(6), the main control chip judges whether current air quality is excellent again, if air quality is excellent, blower fan is reset
Gearshift initialization timing is closed, and comes back to step (2)；If air quality is not reaching to excellent, referred to according to air pollution quality
Number, the rotating speed of the blower fan switches to corresponding gear.
2. the range hood control method of detectable air quality according to claim 1, it is characterised in that：The step
(1) air mass sensor in is preheated 1~2 second after starting.
3. the range hood control method of detectable air quality according to claim 1, it is characterised in that：The step
(4) time of the numerical value X in is 1~5 minute.
4. the range hood control method of detectable air quality according to claim 2, it is characterised in that：The step
(5) time of the numerical value Y in is 3~5 seconds.
5. the range hood control method of detectable air quality according to claim 1, it is characterised in that：The step
(6) the air pollution quality index in corresponds to slight pollution, three kinds of gears of intermediate pollution and severe contamination, the air quality
For slight pollution, correspondence rotation speed of fan is with 10m3/ min low speed is run；The air quality is intermediate pollution, and correspondence blower fan turns
Speed is with 13m3/ min middling speeds are run；The air pollution quality index is severe contamination, and correspondence rotation speed of fan is with 15m3/min
High-speed cruising.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510193326.5A CN104819498B (en) | 2015-04-22 | 2015-04-22 | The range hood control method of detectable air quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510193326.5A CN104819498B (en) | 2015-04-22 | 2015-04-22 | The range hood control method of detectable air quality |
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| Publication Number | Publication Date |
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| CN104819498A CN104819498A (en) | 2015-08-05 |
| CN104819498B true CN104819498B (en) | 2017-08-22 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105444237B (en) * | 2015-12-31 | 2019-01-15 | 欧派家居集团股份有限公司 | Range hood and its control method |
| CN106931478B (en) * | 2015-12-31 | 2021-08-06 | 九阳股份有限公司 | Fresh air purification control method for range hood |
| CN106152220A (en) * | 2016-08-22 | 2016-11-23 | 珠海格力电器股份有限公司 | Range hood and control method thereof and device |
| TWI665409B (en) * | 2016-11-23 | 2019-07-11 | 台灣櫻花股份有限公司 | Air quality detection method of range hood and range hood thereof |
| CN108151091A (en) * | 2016-12-05 | 2018-06-12 | 台湾樱花股份有限公司 | The Detection of Air Quality method and smoke exhaust ventilator of smoke exhaust ventilator |
| CN106765386B (en) * | 2016-12-15 | 2018-11-16 | 杭州老板电器股份有限公司 | Smoke exhaust ventilator control method |
| CN109028238B (en) * | 2018-09-29 | 2019-12-03 | 佛山市云米电器科技有限公司 | A kind of intelligent shift method with vision-based detection module kitchen ventilator |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6170480B1 (en) * | 1999-01-22 | 2001-01-09 | Melink Corporation | Commercial kitchen exhaust system |
| US6920874B1 (en) * | 2004-03-01 | 2005-07-26 | Robert Paul Siegel | Intelligent ventilating safety range hood |
| JP5202039B2 (en) * | 2007-03-05 | 2013-06-05 | ホーチキ株式会社 | Range hood system |
| JP5072641B2 (en) * | 2008-02-22 | 2012-11-14 | 三菱電機株式会社 | Ventilation equipment |
| CN102374561B (en) * | 2010-08-17 | 2016-06-15 | 博西华电器（江苏）有限公司 | There is range hood and the control method thereof of automatic flue gas detection device |
| CN102367981B (en) * | 2011-07-21 | 2014-04-30 | 海尔集团公司 | Air conditioner and method by utilizing air conditioner to remove formaldehyde |
| CN103195733B (en) * | 2013-04-23 | 2015-02-18 | 河南科技学院 | Energy-saving electric fan with functions of intelligent gear shifting and automatic natural wind control |
| CN103629717B (en) * | 2013-11-22 | 2016-04-06 | 青岛海尔软件有限公司 | A kind of adaptive controller of full-automatic range hood |
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