CN105674361A - Control method of extractor hood with air quality detection function - Google Patents
Control method of extractor hood with air quality detection function Download PDFInfo
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- CN105674361A CN105674361A CN201610103779.9A CN201610103779A CN105674361A CN 105674361 A CN105674361 A CN 105674361A CN 201610103779 A CN201610103779 A CN 201610103779A CN 105674361 A CN105674361 A CN 105674361A
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- blower fan
- value
- control method
- mass sensor
- air quality
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
Provided is a control method of an extractor hood with the air quality detection function. The extractor hood comprises a controller, an air quality sensor and a draught fan, and the air quality sensor is connected with the controller. The control method is characterized by comprising the steps of initialization of the air quality sensor and the like. The quality condition of air inside a kitchen is obtained through the air quality sensor installed on the extractor hood; when the quality of air inside the kitchen is poor, the extractor hood can be automatically controlled to work, environmental cleanliness of the kitchen is kept, and good health of people is facilitated.
Description
Technical field
The present invention relates to the control method of a kind of range hood with air quality detection function, be specifically related to the control method of a kind of range hood that can automatically control air draft according to kitchen air quality.
Background technology
Present family kitchen is when cooking, kitchen range are when burning natural gas or coal gas, a certain amount of harmful exhaust can be produced, combustion gas such as CO, NOx or leakage etc., although the olfactory sensation that these waste gas are easily detected by people is discovered, if but can not in time by outside useless gas discharge chamber, harm that can be certain to the healthy generation of people. For overcoming drawbacks described above, the control method of the range hood with air quality detection function is developed.
Summary of the invention
The technical problem to be solved is to provide for the control method of a kind of range hood with air quality detection function, when kitchen air quality difference, can automatically control the work of cigarette machine, keep kitchen environment cleaning, is conducive to that people's is healthy.
This invention address that its technical problem the technical scheme is that described range hood includes air mass sensor and the blower fan that controller is connected with controller, described control method comprises the steps:
1) air mass sensor initializes, it may be judged whether reach preset time T 1, if then obtaining the detection data of air mass sensor in real time, subsequently into 2), then air mass sensor continues to initialize if not, until it reaches preset time T 1;
2) judge that whether data that air mass sensor detects are be more than or equal to preset value V1, then the data that now air mass sensor detects are saved as reference value B if not, if then controlling the blower fan work T2 time, then V1 value is saved as reference value B, wherein, described reference value B is a setting value being continually changing, and is used for judging that the follow-up blower fan that whether controls works the T2 time.
Described step 2) also comprise the steps: afterwards
3) the detection data of air mass sensor are obtained in real time, subsequently into 4);
4) judge detection data for be more than or equal to B or less than or equal to B-X or more than B-X and less than B, X be setting corrected value, if be more than or equal to B, then control the blower fan work T2 time, then reenter 3), if less than or equal to B-X, then enter 5), if more than B-X and less than B, then reenter 3);
5) reference value B is updated to B-X, it is judged that now whether reference value B is less than or equal to preset value V2, then reenters 3 if not), then reference value B is updated to V2 in this way, then reenters 3).
Described step 2) in control blower fan work include following two situation: if now blower fan is not yet turned on, then control fanman as open blower fan with minimum windspeed work; If now blower fan has been switched on, then control blower fan and work with maximum wind velocity.
Described step 4) controls blower fan work and includes following two situation: if now blower fan is not yet turned on, then control fanman and work with minimum windspeed as opening blower fan; If now blower fan has been switched on, then control blower fan and work with maximum wind velocity.
Described air mass sensor is semi-conductor gas detecting element.
Described T1 value is 1 minute.
Described T2 value is 3 minutes.
Described X value is 5.
Air mass sensor records when being 10ppm value that described V1 is C0 gas concentration.
Described V2 is the value that standard environment air mass sensor records.
The present invention compares produced beneficial effect with background technology: adopt the methods such as air mass sensor initialization due to the present invention, Air Quality in kitchen is obtained by installing air mass sensor on range hood, when kitchen air quality difference, the work of cigarette machine can be automatically controlled, keep kitchen environment cleaning, be conducive to that people's is healthy.
Accompanying drawing explanation
Fig. 1 is the control flow chart of the present invention.
Detailed description of the invention
Referring to accompanying drawing 1, the range hood of the present embodiment includes air mass sensor and the blower fan that controller is connected with controller, described controller is responsible for obtaining the data of air mass sensor and processing, then blower fan work is controlled according to different Air Qualities, the air in kitchen is purified by blower fan air draft, scavenge in time, be beneficial to user's body health.
Described control method comprises the steps:
The control method of a kind of range hood with air quality detection function, described range hood includes air mass sensor and the blower fan that controller is connected with controller, it is characterised in that described control method comprises the steps:
1) air mass sensor initializes, it may be judged whether reach preset time T 1, if then obtaining the detection data of air mass sensor in real time, subsequently into 2), then air mass sensor continues to initialize if not, until it reaches preset time T 1;
2) judge that whether data that air mass sensor detects are be more than or equal to preset value V1, then illustrate that air quality now is not also particularly poor if not, temporarily work without cigarette machine, now the data that air mass sensor detects are saved as reference value B, if then illustrating that air quality now is particularly poor, the health of people can be harmful to, now controller controls the blower fan work T2 time, then V1 value is saved as reference value B, wherein, described reference value B is a setting value being continually changing, and is used for judging that the follow-up blower fan that whether controls works the T2 time. Namely after air mass sensor work, first time judges whether that controlling blower fan work is compared with V1 by the detected value of air mass sensor, judge whether that controlling blower fan work is the detected value of air mass sensor and B value are compared afterwards, if the actually detected value arrived is more than reference value B, then controller controls blower fan work.
Described step 2) in the data that now air mass sensor detects are saved as reference value B or V1 value are saved as reference value B after also comprise the steps:
3) the detection data of air mass sensor are obtained in real time, subsequently into 4);
4) judge detection data for be more than or equal to B or less than or equal to B-X or more than B-X and less than B, X be setting corrected value, if be more than or equal to B, then control the blower fan work T2 time, then reenter 3), if less than or equal to B-X, then enter 5), if more than B-X and less than B, then reenter 3);
5) reference value B is updated to B-X, it is judged that now whether reference value B is less than or equal to preset value V2, then reenters 3 if not), then reference value B is updated to V2 in this way, then reenters 3).
Being continually changing by reference value B, it can be determined that the development trend of kitchen air quality, it is achieved automatic air-exchanging, makes the air quality in kitchen remain at good state.
Described step 2) and step 4) in control blower fan work include following two situation: if now blower fan is not yet turned on, then control fanman to work with minimum windspeed as opening blower fan, because the minimum windspeed work of blower fan can scavenge in time under normal circumstances, now blower fan can avoid the wasting of resources with minimum windspeed work; If now blower fan has been switched on, then controlling blower fan with maximum wind velocity work, if blower fan still detects that when opening control is of poor quality, then controller controls blower fan with maximum wind velocity work, to get rid of harmful exhaust as early as possible.
Described air mass sensor is semi-conductor gas detecting element, and owing to air mass sensor is conventional detection device, its structure and circuit are to know altogether no longer to specifically describe general knowledge at this.
Owing to the preheating time of the internal electrical heating wire of air mass sensor is about about 1-2 minute, described T1 value can set that to be 40 seconds, 50 seconds, 1 minute, 1.5 minutes, 2 minutes etc., it the present embodiment is 1 minute, after the initialization of T1 time, the Performance comparision of air mass sensor is stable, and the data of detection are more accurate.
Blower fan generally purify 10 sides/minute, enough being taken a breath in kitchen by the operating of 2-3 minute, makes air in kitchen pure and fresh, and namely the value of T2 can be 2 minutes, 2.5 minutes, 3 minutes etc., and the T2 value described in the present embodiment is 3 minutes.
Described X value is 5, and just setting corrected value X is to make reference value B update when air quality changes to a certain degree, it is to avoid air quality has during slight variation to make reference value B not stop renewal.
Air mass sensor records when being 10ppm value that described V1 is C0 gas concentration, due in the waste gas of kitchen range burning to harm maximum be CO, dangerous values when therefore the V1 value in the present invention exceeds standard for CO.
Described V2 is the value that standard environment air mass sensor records, the value that namely during pure air, air mass sensor detects.
Illustrate, for instance setting V1 as 40, V2 is 30.
Example one:
Air mass sensor is after the initialization of 1 minute, if its actual value detected is 60, then illustrate that air quality is particularly poor, now control blower fan to work 3 minutes, then the value of reference value B is designated as 40, air mass sensor continues detection air quality, if the value now detected is 35, due to 40-5=35, then reference value B is updated to 35, owing to 35 more than 30, then reacquire the data of air mass sensor detection, if detected value is 20, 35-5=30, now reference value is updated to 30, due to 30=V2, then reference value is still 30, then the data of air mass sensor detection are reacquired, if detected value is 35, then controller starts blower fan work 3 minutes, then the data of air mass sensor detection are reacquired.
Example two: air mass sensor is after the initialization of 1 minute, if its actual value detected is 35, then reference value B is set as 35, then the data of air mass sensor detection are reacquired, if detected value is 45, then controller controls blower fan work 3 minutes, then reacquires the data of air mass sensor detection.
Above-mentioned two examples are only one and illustrate, and real work realizes according to the control flow of Fig. 1 according to actually detected numerical value.
Claims (10)
1. a control method for the range hood with air quality detection function, described range hood includes air mass sensor and the blower fan that controller is connected with controller, it is characterised in that described control method comprises the steps:
1) air mass sensor initializes, it may be judged whether reach preset time T 1, if then obtaining the detection data of air mass sensor in real time, subsequently into 2), then air mass sensor continues to initialize if not, until it reaches preset time T 1;
2) judge that whether data that air mass sensor detects are be more than or equal to preset value V1, then the data that now air mass sensor detects are saved as reference value B if not, if then controlling the blower fan work T2 time, then V1 value is saved as reference value B, wherein, described reference value B is a setting value being continually changing, and is used for judging that the follow-up blower fan that whether controls works the T2 time.
2. the control method of the range hood with air quality detection function according to claim 1, it is characterised in that described step 2) also comprise the steps: afterwards
3) the detection data of air mass sensor are obtained in real time, subsequently into 4);
4) judge detection data for be more than or equal to B or less than or equal to B-X or more than B-X and less than B, X be setting corrected value, if be more than or equal to B, then control the blower fan work T2 time, then reenter 3), if less than or equal to B-X, then enter 5), if more than B-X and less than B, then reenter 3);
5) reference value B is updated to B-X, it is judged that now whether reference value B is less than or equal to preset value V2, then reenters 3 if not), then reference value B is updated to V2 in this way, then reenters 3).
3. the control method of the range hood with air quality detection function according to claim 1, it is characterized in that described step 2) in control blower fan work include following two situation: if now blower fan is not yet turned on, then control fanman as open blower fan with minimum windspeed work; If now blower fan has been switched on, then control blower fan and work with maximum wind velocity.
4. the control method of the range hood with air quality detection function according to claim 2, it is characterized in that controlling blower fan work in described step 4) includes following two situation: if now blower fan is not yet turned on, then controls fanman and work with minimum windspeed as opening blower fan; If now blower fan has been switched on, then control blower fan and work with maximum wind velocity.
5. the control method of the range hood with air quality detection function according to any one of Claims 1 to 4, it is characterised in that described air mass sensor is semi-conductor gas detecting element.
6. the control method of the range hood with air quality detection function according to any one of Claims 1 to 4, it is characterised in that described T1 value is 1 minute.
7. the control method of the range hood with air quality detection function according to any one of Claims 1 to 4, it is characterised in that described T2 value is 3 minutes.
8. the control method of the range hood with air quality detection function according to claim 2 or 4, it is characterised in that described X value is 5.
9. the control method of the range hood with air quality detection function according to any one of Claims 1 to 4, it is characterised in that air mass sensor records when being 10ppm value that described V1 is C0 gas concentration.
10. the control method of the range hood with air quality detection function according to claim 2 or 4, it is characterised in that described V2 is the value that standard environment air mass sensor records.
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| CN201610103779.9A CN105674361B (en) | 2016-02-26 | 2016-02-26 | The control method of range hood with air quality detection function |
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| CN201610103779.9A CN105674361B (en) | 2016-02-26 | 2016-02-26 | The control method of range hood with air quality detection function |
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| CN105674361B CN105674361B (en) | 2017-12-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106933127A (en) * | 2017-01-17 | 2017-07-07 | 杭州老板电器股份有限公司 | A kind of control method of gas sensor |
| CN106949512A (en) * | 2017-03-15 | 2017-07-14 | 山东佳星环保科技有限公司 | A kind of intelligent kitchen purification device |
| CN107741041A (en) * | 2017-10-19 | 2018-02-27 | 杭州老板电器股份有限公司 | The control method and air quantity self-adjusting lampblack absorber of a kind of air quantity self-adjusting lampblack absorber |
| 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 |
| CN110631066A (en) * | 2018-06-25 | 2019-12-31 | 青岛海尔智慧厨房电器有限公司 | Air curtain kitchen range |
| CN110631073A (en) * | 2018-06-25 | 2019-12-31 | 青岛海尔智慧厨房电器有限公司 | Air curtain angle adjustable air curtain fume exhaust fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110631073A (en) * | 2018-06-25 | 2019-12-31 | 青岛海尔智慧厨房电器有限公司 | Air curtain angle adjustable air curtain fume exhaust fan |
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Effective date of registration: 20170508 Address after: 528325 Guangdong Province, Foshan city Shunde District Xingtan town De Fu Road No. 71 Applicant after: Guangdong Vanward heat energy technology Co., Ltd. Address before: 528305 Foshan, Shunde District, Ronggui street, Hongqi Road, No. 80 Applicant before: Foshan Shunde Wanhe Electrical Fittings Co., Ltd. |
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