CN107741041A - The control method and air quantity self-adjusting lampblack absorber of a kind of air quantity self-adjusting lampblack absorber - Google Patents
The control method and air quantity self-adjusting lampblack absorber of a kind of air quantity self-adjusting lampblack absorber Download PDFInfo
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- CN107741041A CN107741041A CN201710979652.8A CN201710979652A CN107741041A CN 107741041 A CN107741041 A CN 107741041A CN 201710979652 A CN201710979652 A CN 201710979652A CN 107741041 A CN107741041 A CN 107741041A
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- Prior art keywords
- air quantity
- lampblack absorber
- control method
- oil smoke
- quantity self
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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)
- Control Of Positive-Displacement Air Blowers (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of control method of air quantity self-adjusting lampblack absorber and air quantity self-adjusting lampblack absorber, comprise the following steps：(1), to one acquiescence a reference value V of oil smoke sensor settings0；(2) within the T1 times of interval, multiple sensing datas is gathered and calculate average value V1；(3) V is judged1And V0Size；(4) a reference value V after output renewal0, the average value V of sampling T seconds inner sensor output, by V and V0Compare, so as to adjust the state of the switch of blower fan and gear.By the present invention in that being updated with software algorithm to enter Mobile state to oil smoke sensor Ref value in real time, ensure that the exporting change amount of sensor can correctly reflect the truth of kitchen fume so that lampblack absorber really realizes intelligentized control method.
Description
Technical field
The present invention relates to a kind of control method of air quantity self-adjusting lampblack absorber and air quantity self-adjusting lampblack absorber.
Background technology
With intelligentized development, intelligent kitchen has been logined in the daily life of people.The intelligent control of lampblack absorber
System has become the important component in intelligent kitchen, and to realize the intelligentized control method of lampblack absorber must then be passed by oil smoke
Sensor is realized.
Substantial amounts of oil smoke sensor is currently there are, typically assesses kitchen fume using the variable quantity of its output valve
Size, control the operation of lampblack absorber on this basis.But oil smoke sensor but generally existing a reference value drift phenomenon, lead
Its variable quantity measured is caused can not correctly to react the oil smoke actual conditions in kitchen.
The content of the invention
For problem above, the present invention proposes a kind of control method and air quantity self-adjusting oil smoke of air quantity self-adjusting lampblack absorber
Machine, enter Mobile state renewal to oil smoke sensor Ref value in real time by using software algorithm.
The technical proposal of the invention is realized in this way：The control method of this air quantity self-adjusting lampblack absorber, including it is following
Step：
(1), to one acquiescence a reference value V of oil smoke sensor settings0；
(2), within the T1 times of interval, multiple sensing datas is gathered and calculate average value V1；
(3) V is judged1And V0Size：
Work as V1≤V0When, update a reference value V0=V1；
Work as V1＞ V0When, continue to sample multiple sensing datas and calculate averagely to be worth to N1、N2... when being satisfied by Nn＞
V0When (n of n=1,2,3 ...), a reference value V is updated0=(N1+N2+N3+N4+N5)/5；Otherwise, return to step (2)；
(4) a reference value V after output renewal0, the average value V of sampling T seconds inner sensor output, by V and V0Compare, so as to
Adjust the switch of blower fan and the state of gear.
Further, the span of the sampling time T is 15~30 seconds.
Further, the V and V0When comparing, provided with correction value Δ V, i.e. V and (V0+ Δ V) compare, Δ V value model
It is 0.15~1.5V to enclose.
Further, it is described by V and (V0+ Δ V) when comparing, as V ＜ (V0+ Δ V) when, blower fan gear reduces by one grade, if
Blower fan has shut down, then fan condition is constant；As V >=(V0+ Δ V) when, blower fan gear increases by one grade, while will keep air quantity t1
~t2 the seconds.
Further, the span of the time t1 is 60~90 seconds, and time t2 span is 150~180
Second.
Further, the acquiescence a reference value V0Dynamic updating method is as follows：(1) within the T1 times of interval, according to 1
The multiple sensing datas of speed sampling of individual/second；(2) average value V is calculated1, judge V1With the differences of 60 data whether be more than ±
|V|；(3) if exist at least one difference be more than ± | V |, jump to 1) resampling；If being not present, V is judged1And V0Size.
Further, the span of the interval time T1 is 1~10 minute.
Further, the difference | V | span is 0.05~0.5V.
Further, the oil smoke sensor is semiconductor principle gas sensor.
This air quantity self-adjusting lampblack absorber, including blower fan, oil smoke sensor and control system, blower fan and control system electricity
Connection；Oil smoke sensor is used to detect oil smoke signal and is sent to control system；Control system receives the oil that oil smoke sensor is sent
Smoke signal, for dynamically updating a reference value V of oil smoke sensor0, it is same as being averaged the oil smoke signal received in the T seconds
Value V and V0Compare；The control system is additionally operable to according to V and V0Ratio size and adjust the switch of blower fan and the state of gear.
Beneficial effects of the present invention：
(1) Mobile state renewal, is entered to oil smoke sensor Ref value by using software algorithm in real time.
(2), ensure that the exporting change amount of sensor can correctly reflect the truth of kitchen fume so that oil
Cigarette machine really realizes intelligentized control method.
(3), by handling the output signal of sensor, real-time dynamic benchmark value is obtained, ensures to sense with this
The difference of device output valve and a reference value, it can correctly reflect the actual conditions of kitchen fume.
(4), by adding the correction value Δ V in certain limit value, the sensitivity of sensor, correction value Δ V values are adjusted
Smaller, transducer sensitivity is higher；Correction value Δ V is bigger, and transducer sensitivity is lower.
(5), with the lampblack absorber of this control method, the air quantity adjust automatically of real meaning can be realized, realize cigarette strong wind it is big,
The small wind of cigarette is small, smokeless calm.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is overall software control flow chart.
Fig. 2 is dynamic renewal a reference value flow chart.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment 1：The control method of this air quantity self-adjusting lampblack absorber, comprises the following steps：
(1), to one acquiescence a reference value V of oil smoke sensor settings0, as the basic value compared；
(2), within the T1 times of interval, multiple sensing datas is gathered and calculate average value V1；
(3) V is judged1And V0Size：
Work as V1≤V0When, update a reference value V0=V1；
Work as V1＞ V0When, continue to sample multiple sensing datas and calculate averagely to be worth to N1、N2... when being satisfied by Nn＞
V0When (n of n=1,2,3 ...), a reference value V is updated0=(N1+N2+N3+N4+N5)/5；Otherwise, return to step (2)；
(4) a reference value V after output renewal0, the average value V of sampling T seconds inner sensor output, by V and V0Compare, so as to
Adjust the switch of blower fan and the state of gear.
By Real-time Monitoring Data, sample multiple numerical value and be compared, dynamically update the data, more accurate can learn in environment
Correct situation, adjust the air quantity of lampblack absorber in time, reach automation, the adjustment of hommization, the experience used is more preferable.
The detection function of lampblack absorber is opened, preheats lampblack absorber sensor, setting acquiescence a reference value V after preheating terminates0,At 1 point
In clock time, gather 60 sensing datas and calculate average value V1, then judge V1And V0Size, work as V1≤V0When, more
New a reference value V0=V1；Work as V1＞ V0When, continue to sample 5 sensing datas and calculate averagely to be worth to N1、N2、N3、N4、N5When
It is satisfied by Nn＞ V0When (n=1,2,3,4,5), a reference value V is updated0=(N1+N2+N3+N4+N5)/5；Otherwise, previous step is returned；
A reference value V after output renewal0, the average value V that 15 seconds inner sensors export is sampled, by V and V0Compare, so as to adjust blower fan
The state of switch and gear.
In addition, the time of collection sensing data can be 10 minutes, according to 600 sensors of speed sampling of 1/second
Data, and calculate average value V1Then follow-up numeric ratio is carried out compared with renewal a reference value V0.A reference value V after output renewal0, adopt
The average value V of sample inner sensor output in 30 seconds, by V and V0Compare, so as to adjust the state of the switch of blower fan and gear.
Embodiment 2：On the basis of embodiment 1, the V and V0When comparing, provided with correction value Δ V, i.e. V and (V0+ΔV)
Compare, Δ V span is 0.15~1.5V.That is, by V and (V0+ 0.15V) when comparing, as V ＜ (V0+ 0.15V) when, blower fan
Gear reduces by one grade, if blower fan has shut down, fan condition is constant；As V >=(V0+ 0.15V) when, blower fan gear increases by one grade,
Or by V and (V0+ 1.5V) when comparing, as V ＜ (V0+ 1.5V) when, blower fan gear reduces by one grade, if blower fan has shut down, wind
Machine state is constant；As V >=(V0+ 1.5V) when, blower fan gear increases by one grade, while will keep air quantity t1~t2 seconds.Time t1
Span is 60~90 seconds, and time t2 span is 150~180 seconds, i.e. the retention time of air quantity is 210~270 seconds.
Embodiment 3：On the basis of embodiment 1, the acquiescence a reference value V0Dynamic updating method is as follows：(1) it is being spaced
In the T1 times, according to 60 sensing datas of speed sampling of 1/second；(2) the average value V of 60 data is calculated1, by V1With 60
Individual data are compared one by one, judge V1With the differences of 60 data whether be more than ± | V |；(3) if at least one difference be present
More than ± 0.05~0.5V, then (1) resampling is jumped to；If being not present, step (4) is performed；(4) V is judged1And V0Size：
Work as V1≤V0When, update a reference value V0=V1；Work as V1＞ V0When, continuous sampling five times, all meet if sampling effective average value for five times
Nn＞ V0, (n=1,2,3,4,5), then update a reference value V0=(N1+N2+N3+N4+N5)/5；If have in five samplings arbitrarily once
It is unsatisfactory for Nn＞ V0, (n=1,2,3,4,5), then times of collection restarts to count；(5) a reference value after finally output renewal
V0。
Embodiment 4：On the basis of embodiment 1, the oil smoke sensor is semiconductor principle gas sensor, semiconductor
Gas sensitive in principle gaseous sensor is combined using the metal oxide for possessing gas absorption characteristic, can effectively be monitored
The data of change.
Embodiment 5：This air quantity self-adjusting lampblack absorber, including blower fan, oil smoke sensor and control system, blower fan and control
System Electricity Federation；Oil smoke sensor is used to detect oil smoke signal and is sent to control system；Control system receives oil smoke sensor hair
The oil smoke signal sent, for dynamically updating a reference value V of oil smoke sensor0, it is same as the oil smoke signal for will be received in the T seconds
Average value V and V0Compare；The control system is additionally operable to according to V and V0Ratio size and adjust the switch and gear of blower fan
State.
The present invention, by handling the output signal of sensor, obtains dynamic in real time by complicated software algorithm
State a reference value, ensure the difference of sensor output value and a reference value with this, can correctly reflect the actual feelings of kitchen fume
Condition so that lampblack absorber really realizes intelligentized control method, realizes that cigarette strong wind is big, the small wind of cigarette is small, smokeless calm.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
- A kind of 1. control method of air quantity self-adjusting lampblack absorber, it is characterised in that：Comprise the following steps：(1), to one acquiescence a reference value V of oil smoke sensor settings0；(2), within the T1 times of interval, multiple sensing datas is gathered and calculate average value V1；(3) V is judged1And V0Size：Work as V1≤V0When, update a reference value V0=V1；Work as V1＞ V0When, continue to sample multiple sensing datas and calculate averagely to be worth to N1、N2... when being satisfied by Nn＞ V0(n =1,2,3 ... n) when, update a reference value V0=(N1+N2+N3+N4+N5)/5；Otherwise, return to step (2)；(4) a reference value V after output renewal0, the average value V of sampling T seconds inner sensor output, by V and V0Compare, so as to adjust The switch of blower fan and the state of gear.
- 2. the control method of air quantity self-adjusting lampblack absorber according to claim 1, it is characterised in that：The sampling time T Span be 15~30 seconds.
- 3. the control method of air quantity self-adjusting lampblack absorber according to claim 1, it is characterised in that：The V and V0Compare When, provided with correction value Δ V, i.e. V and (V0+ Δ V) compare, Δ V span is 0.15~1.5V.
- 4. the control method of air quantity self-adjusting lampblack absorber according to claim 3, it is characterised in that：It is described by V and (V0+Δ When V) comparing, as V ＜ (V0+ Δ V) when, blower fan gear reduces by one grade, if blower fan has shut down, fan condition is constant；As V >=(V0 + Δ V) when, blower fan gear increases by one grade, while will keep air quantity t1~t2 seconds.
- 5. the control method of air quantity self-adjusting lampblack absorber according to claim 4, it is characterised in that：The time t1's takes Value scope is 60~90 seconds, and time t2 span is 150~180 seconds.
- 6. the control method of air quantity self-adjusting lampblack absorber according to claim 1, it is characterised in that：The step (2) is also Including：Ith, within the T1 times of interval, multiple sensing datas is gathered and calculate average value V1；IIth, V is judged1With the differences of multiple data whether be more than ± | V |；If the IIIth, exist at least one difference be more than ± | V |, resampling；If being not present, V is judged1And V0Size.
- 7. the control method of air quantity self-adjusting lampblack absorber according to claim 6, it is characterised in that：The interval time T1 Span be 1~10 minute.
- 8. the control method of air quantity self-adjusting lampblack absorber according to claim 6, it is characterised in that：The difference | V | take Value scope is 0.05~0.5V.
- 9. the control method of air quantity self-adjusting lampblack absorber according to claim 1, it is characterised in that：The oil smoke sensor For semiconductor principle gas sensor.
- A kind of 10. air quantity self-adjusting lampblack absorber, it is characterised in that：A kind of air quantity self-adjusting lampblack absorber, it is characterised in that：Including：Blower fan, with control system Electricity Federation；Oil smoke sensor, for detecting oil smoke signal and being sent to control system；Control system, the oil smoke signal that oil smoke sensor is sent is received, for dynamically updating a reference value V of oil smoke sensor0, together In the average value V and V of the oil smoke signal for will be received in the T seconds0Compare；The control system is additionally operable to according to V and V0Ratio size and adjust the switch of blower fan and the state of gear.
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| CN201710979652.8A CN107741041B (en) | 2017-10-19 | 2017-10-19 | A kind of control method and air quantity self-adjusting kitchen ventilator of air quantity self-adjusting kitchen ventilator |
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| CN108870495A (en) * | 2018-08-20 | 2018-11-23 | 深圳北鱼信息科技有限公司 | intelligent range hood |
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| CN110260371A (en) * | 2018-03-12 | 2019-09-20 | 宁波方太厨具有限公司 | Kitchen ventilator intelligence control system and method based on multisensor |
| CN110274274A (en) * | 2018-03-13 | 2019-09-24 | 伊志军 | A kind of control method and its system of intelligent range hood |
| CN111623386A (en) * | 2019-02-28 | 2020-09-04 | 宁波方太厨具有限公司 | Self-adaptive control method for flow of range hood |
| CN114151841A (en) * | 2021-12-31 | 2022-03-08 | 华帝股份有限公司 | Air volume control method for range hood |
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| CN114151841B (en) * | 2021-12-31 | 2023-10-20 | 华帝股份有限公司 | Air quantity control method of range hood |
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