CN106765386A - Smoke exhaust ventilator control method - Google Patents
Smoke exhaust ventilator control method Download PDFInfo
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- CN106765386A CN106765386A CN201611166141.6A CN201611166141A CN106765386A CN 106765386 A CN106765386 A CN 106765386A CN 201611166141 A CN201611166141 A CN 201611166141A CN 106765386 A CN106765386 A CN 106765386A
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- air quantity
- smoke exhaust
- exhaust ventilator
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- sensor
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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
The invention discloses a kind of smoke exhaust ventilator control method, including the controller on smoke exhaust ventilator, PM2.5 sensors, formaldehyde sensor, air mass sensor, combustible gas sensor and operating key, controller is electrically connected with smoke exhaust ventilator, PM2.5 sensors, formaldehyde sensor, air mass sensor, combustible gas sensor and operating key respectively, is comprised the following steps：The air quantity gear of smoke exhaust ventilator has 4, and air quantity gear is respectively 0 grade, 1 grade, 2 grades and 3 grades, and calm, small wind, apoplexy and strong wind are corresponding with 0 grade, 1 grade, 2 grades and 3 grades successively；When operating key is pressed after electricity on smoke exhaust ventilator, controller controls each sensor to start working, and the air quantity of smoke exhaust ventilator is located at 0 grade of calm gear.The present invention has the characteristics of being effectively improved kitchen environment.
Description
Technical field
The present invention relates to kitchen environment administrative skill field, more particularly, to a kind of oil pumping for being effectively improved kitchen environment
Cigarette machine control method.
Background technology
In present family, kitchen space is generally less than normal, and environment can become very severe during cooking, and the cooking of party
Action can not stop halfway, it is impossible to real-time regulation cigarette machine wind speed size, it is impossible to timely improve kitchen environment, be chronically at this ring
In border, health can be caused compared with major injury.
The content of the invention
Goal of the invention of the invention is severe in order to overcome the shortcomings of kitchen environment of the prior art, there is provided Yi Zhongke
It is effectively improved the smoke exhaust ventilator control method of kitchen environment.
To achieve these goals, the present invention uses following technical scheme：
A kind of smoke exhaust ventilator control method, including controller, PM2.5 sensors, formaldehyde sensing on smoke exhaust ventilator
Device, air mass sensor, combustible gas sensor and operating key, controller respectively with smoke exhaust ventilator, PM2.5 sensors, first
The electrical connection of aldehyde sensor, air mass sensor, combustible gas sensor and operating key, comprises the following steps：Smoke exhaust ventilator
Air quantity gear has 4, and air quantity gear is respectively 0 grade, 1 grade, 2 grades and 3 grades, calm, small wind, apoplexy and strong wind successively with 0 grade, 1
Shelves, 2 grades it is corresponding with 3 grades；When operating key is pressed after electricity on smoke exhaust ventilator, controller controls each sensor to start working, oil pumping
The air quantity of cigarette machine is located at 0 grade of calm gear；
The output valve difference of setting PM2.5 sensors, air mass sensor, formaldehyde sensor and combustible gas sensor
It is PM2.5, VOC, VFormaldehydeAnd VIt is flammable；
(1-1)VIt is flammableControl flow
(1-1-1) works as VIt is flammableDuring≤800ppm, controller control smoke exhaust ventilator maintains the original state constant；
(1-1-2) is as 800ppm ＜ VIt is flammableDuring ＜ 2500ppm,
A) if the air quantity of smoke exhaust ventilator is less than 1 grade, the air quantity gear of controller control smoke exhaust ventilator is converted to 1 grade；
B) when the air quantity of smoke exhaust ventilator is more than 1 grade,
If the air quantity demand that the output according to other three kinds of sensors is worth at least one be more than 1 grade when, control
Device control smoke exhaust ventilator keeps air quantity gear constant；
If the air quantity demand that the output according to other three kinds of sensors is worth to is respectively less than during equal to 1 grade, controller control
The air quantity gear of smoke exhaust ventilator processed is converted to 1 grade；
(1-1-3) is as 2500ppm≤VIt is flammableDuring ＜ 3500ppm,
A) if the air quantity of smoke exhaust ventilator is less than 2 grades, the air quantity gear of controller control smoke exhaust ventilator is converted to 2 grades；
B) if the air quantity of smoke exhaust ventilator is more than 2 grades,
When the air quantity demand being worth to according to the output of other three kinds of sensors is more than 2 grades, then controller control oil pumping
The air quantity gear of cigarette machine keeps constant；
When the air quantity demand being worth to according to the output of other three kinds of sensors is respectively less than equal to 2 grades, then controller control
The air quantity gear of smoke exhaust ventilator processed is converted to 2 grades；
(1-1-4) is as 3500ppm≤VIt is flammableAnd when smoke exhaust ventilator air quantity is less than 3 grades, controller controls the wind of smoke exhaust ventilator
Amount gear is converted to 3 grades；
(1-2)VFormaldehydeControl flow；
(1-3) VOC control flows；
(1-4) PM2.5 control flows, are transferred to step (1-1).
The numerical value that the present invention can monitor sensor according to kitchen environment adjusts cigarette machine wind speed size come real-time, and intelligence is adjustable
Start, the shutdown of smoke exhaust ventilator, and wind speed size are saved, kitchen environment is effectively improved.
Preferably, VFormaldehydeControl flow comprises the following steps：
(2-1) works as VFormaldehydeDuring ＜ 3ppm, controller control smoke exhaust ventilator maintains the original state constant；
(2-2) is as 3ppm≤VFormaldehydeWhen,
A) if the air quantity demand that the output according to combustible gas sensor is worth to is more than 2 grades, controller control oil pumping
Cigarette machine maintain the original state it is constant,
B) if the air quantity demand that the output according to combustible gas sensor is worth to is less than 2 grades,
When smoke exhaust ventilator air quantity is less than or equal to 2 grades, controller control smoke exhaust ventilator air quantity gear is converted to 2 grades；
When smoke exhaust ventilator air quantity is more than 2 grades, controller does according to air mass sensor and PM2.5 sensor output values
The judgement of air output demand,
If 1) in 2 air quantity demands at least one more than 2 grades when, controller control smoke exhaust ventilator air quantity gear keep
It is constant；
If 2) 2 air quantity demands are respectively less than during equal to 2 grades, the air quantity gear of controller control smoke exhaust ventilator is converted to 2
Shelves.
Preferably, VOC control flows comprise the following steps：
(3-1), as VOC ＜ 300, controller control smoke exhaust ventilator maintains the original state constant；
During (3-2) 300≤VOC ＜ 600, controller is distinguished according to the output valve of combustible gas sensor and formaldehyde sensor
Air quantity demand is judged,
If a) two air quantity demands at least one when being more than 1 grade, controller control smoke exhaust ventilator maintains the original state constant；
If b) two air quantity demands are respectively less than during equal to 1 grade,
When smoke exhaust ventilator air quantity is less than or equal to 1 grade, the air quantity gear of controller control smoke exhaust ventilator turns to 1 grade；
When smoke exhaust ventilator air quantity is more than 1 grade,
If PM2.5 sensor air quantity demand is more than 1 grade, controller control smoke exhaust ventilator maintains the original state constant；
If PM2.5 sensor air quantity demand is less than or equal to 1 grade, the air quantity gear of controller control smoke exhaust ventilator is turned to
1 grade；
During (3-3) 600≤VOC ＜ 1000,
Controller judged demand air quantity using the output valve of fuel gas, formaldehyde sensor,
If a) two air quantity demands at least one need to more than 2 grades when, controller control smoke exhaust ventilator maintains the original state not
Become；
If b) two air quantity demands are respectively less than during equal to 2 grades, when smoke exhaust ventilator air quantity is less than 2 grades, controller control is taken out
The air quantity gear of lampblack absorber turns to 2 grades；
When smoke exhaust ventilator air quantity is more than 2 grades,
If PM2.5 sensor air quantity demand is more than 2 grades, controller control smoke exhaust ventilator maintains the original state constant；
If PM2.5 sensor air quantity demand is less than or equal to 2 grades, the air quantity gear of controller control smoke exhaust ventilator is turned to
2 grades；
(3-4), when 1000≤VOC and smoke exhaust ventilator air quantity are less than or equal to 3 grades, controller controls the wind of smoke exhaust ventilator
Amount gear turns to 3 grades.
Preferably, PM2.5 control flows comprise the following steps：
(4-1) is as PM2.5 ＜ 200ug/m3When, controller control smoke exhaust ventilator maintains the original state constant；
(4-2) works as 200ug/m3≤ PM2.5 ＜ 300ug/m3When, controller is according to formaldehyde sensor, air mass sensor
Output valve with combustible gas sensor is judged air quantity demand；
If a) in three air quantity demands at least one more than 1 grade when, controller control smoke exhaust ventilator maintain the original state
State is constant；
If b) three air quantity demands are respectively less than during equal to 1 grade, the air quantity gear of controller control smoke exhaust ventilator turns to 1
Shelves；
(4-3) works as 300ug/m3≤ PM2.5 ＜ 700ug/m3When, controller is according to formaldehyde sensor, air mass sensor
Output valve with combustible gas sensor is judged air quantity demand；
If a) in three air quantity demands at least one more than 2 grades when, controller control smoke exhaust ventilator maintain the original state
State is constant；
If b) three air quantity demands are respectively less than during equal to 2 grades, the air quantity gear of controller control smoke exhaust ventilator turns to 2
Shelves；
(4-4)700ug/m3When≤PM2.5 and smoke exhaust ventilator air quantity are less than or equal to 3 grades, opening controller control oil pumping
The air quantity gear of cigarette machine turns to 3 grades.
Preferably, the model Honeywell laser type PM2.5 sensors of PM2.5 sensors.
Preferably, the formaldehyde examination sensor of the model Japan Nemoto of formaldehyde sensor.
Preferably, the IAQ detection sensors of the model AMS of air mass sensor.
Preferably, the model MP4 CH_4 detection sensors of combustible gas sensor.
Therefore, the present invention has the advantages that：
1st, fuel gas：Real-time monitoring gas leakage, reduces kitchen potential safety hazard；
2nd, formaldehyde：Ensure kitchen without pernicious gas, it is ensured that personal safety；
3rd, air quality：Monitoring air in kitchen, removes kitchen peculiar smell, it is ensured that air in kitchen is pure and fresh；
4、PM2.5：Real wind is dynamic with cigarette, and cigarette is bigger during cooking, and the air quantity of cigarette machine is bigger, allows user more to save worry.
Brief description of the drawings
Fig. 1 is a kind of theory diagram of the invention；
Fig. 2 is a kind of flow chart of the invention.
In figure：Controller 1, PM2.5 sensors 2, formaldehyde sensor 3, air mass sensor 4, combustible gas sensor
5th, operating key 6, smoke exhaust ventilator 7.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment as shown in Figure 1 is a kind of smoke exhaust ventilator control method, including controller 1 on smoke exhaust ventilator,
PM2.5 sensors 2, formaldehyde sensor 3, air mass sensor 4, combustible gas sensor 5 and operating key 6, controller difference
It is electrically connected with smoke exhaust ventilator 7, PM2.5 sensors, formaldehyde sensor, air mass sensor, combustible gas sensor and operating key
Connect, comprise the following steps：The air quantity gear of smoke exhaust ventilator has 4, and air quantity gear is respectively 0 grade, 1 grade, 2 grades and 3 grades, calm,
Small wind, apoplexy and strong wind are corresponding with 0 grade, 1 grade, 2 grades and 3 grades successively；Operating key, controller control are pressed after electric on smoke exhaust ventilator
The start-up operation of each sensor is made, the air quantity of smoke exhaust ventilator is located at 0 grade of calm gear；
The output valve difference of setting PM2.5 sensors, air mass sensor, formaldehyde sensor and combustible gas sensor
It is PM2.5, VOC, VFormaldehydeAnd VIt is flammable；
As shown in Fig. 2 step 100, VIt is flammableControl flow
Step 110, works as VIt is flammableDuring≤800ppm, controller control smoke exhaust ventilator maintains the original state constant；
Step 112, as 800ppm ＜ VIt is flammableDuring ＜ 2500ppm,
A) if the air quantity of smoke exhaust ventilator is less than 1 grade, the air quantity gear of controller control smoke exhaust ventilator is converted to 1 grade；
B) when the air quantity of smoke exhaust ventilator is more than 1 grade,
If the air quantity demand that the output according to other three kinds of sensors is worth at least one be more than 1 grade when, control
Device control smoke exhaust ventilator keeps air quantity gear constant；
If the air quantity demand that the output according to other three kinds of sensors is worth to is respectively less than during equal to 1 grade, controller control
The air quantity gear of smoke exhaust ventilator processed is converted to 1 grade；
Step 113, as 2500ppm≤VIt is flammableDuring ＜ 3500ppm,
A) if the air quantity of smoke exhaust ventilator is less than 2 grades, the air quantity gear of controller control smoke exhaust ventilator is converted to 2 grades；
B) if the air quantity of smoke exhaust ventilator is more than 2 grades,
When the air quantity demand being worth to according to the output of other three kinds of sensors is more than 2 grades, then controller control oil pumping
The air quantity gear of cigarette machine keeps constant；
When the air quantity demand being worth to according to the output of other three kinds of sensors is respectively less than equal to 2 grades, then controller control
The air quantity gear of smoke exhaust ventilator processed is converted to 2 grades；
Step 114, as 3500ppm≤VIt is flammableAnd when smoke exhaust ventilator air quantity is less than 3 grades, controller control smoke exhaust ventilator
Air quantity gear is converted to 3 grades；
Step 200, VFormaldehydeControl flow
Step 210, works as VFormaldehydeDuring ＜ 3ppm, controller control smoke exhaust ventilator maintains the original state constant；
Step 220, as 3ppm≤VFormaldehydeWhen,
A) if the air quantity demand that the output according to combustible gas sensor is worth to is more than 2 grades, controller control oil pumping
Cigarette machine maintain the original state it is constant,
B) if the air quantity demand that the output according to combustible gas sensor is worth to is less than 2 grades, when smoke exhaust ventilator air quantity
During less than or equal to 2 grades, controller control smoke exhaust ventilator air quantity gear is converted to 2 grades；
When smoke exhaust ventilator air quantity is more than 2 grades, controller does according to air mass sensor and PM2.5 sensor output values
The judgement of air output demand,
If 1) in 2 air quantity demands at least one more than 2 grades when, controller control smoke exhaust ventilator air quantity gear keep
It is constant；
If 2) 2 air quantity demands are respectively less than during equal to 2 grades, the air quantity gear of controller control smoke exhaust ventilator is converted to 2
Shelves.
Step 300, VOC control flows；
Step 310, as VOC ＜ 300, controller control smoke exhaust ventilator maintains the original state constant；
Step 320, as 300≤VOC ＜ 600, the output of controller foundation combustible gas sensor and formaldehyde sensor
Value judged air quantity demand respectively,
If a) two air quantity demands at least one when being more than 1 grade, controller control smoke exhaust ventilator maintains the original state constant；
If b) two air quantity demands are respectively less than during equal to 1 grade,
When smoke exhaust ventilator air quantity is less than or equal to 1 grade, the air quantity gear of controller control smoke exhaust ventilator turns to 1 grade；
When smoke exhaust ventilator air quantity is more than 1 grade,
If PM2.5 sensor air quantity demand is more than 1 grade, controller control smoke exhaust ventilator maintains the original state constant；
If PM2.5 sensor air quantity demand is less than or equal to 1 grade, the air quantity gear of controller control smoke exhaust ventilator is turned to
1 grade；
Step 330, during 600≤VOC ＜ 1000,
Controller judged demand air quantity using the output valve of fuel gas, formaldehyde sensor,
If a) two air quantity demands at least one need to more than 2 grades when, controller control smoke exhaust ventilator maintains the original state not
Become；
If b) two air quantity demands are respectively less than during equal to 2 grades,
When smoke exhaust ventilator air quantity is less than or equal to 2 grades, the air quantity gear of controller control smoke exhaust ventilator turns to 2 grades；
When smoke exhaust ventilator air quantity is more than 2 grades,
If PM2.5 sensor air quantity demand is more than 2 grades, controller control smoke exhaust ventilator maintains the original state constant；
If PM2.5 sensor air quantity demand is less than or equal to 2 grades, the air quantity gear of controller control smoke exhaust ventilator is turned to
2 grades；
Step 340, when 1000≤VOC and smoke exhaust ventilator air quantity are less than or equal to 3 grades, controller control smoke exhaust ventilator
Air quantity gear turns to 3 grades.
Step 400, PM2.5 control flows
Step 410, as PM2.5 ＜ 200ug/m3When, controller control smoke exhaust ventilator maintains the original state constant；
Step 420, works as 200ug/m3≤ PM2.5 ＜ 300ug/m3When, controller is passed according to formaldehyde sensor, air quality
The output valve of sensor and combustible gas sensor is judged air quantity demand；
If a) in three air quantity demands at least one more than 1 grade when, controller control smoke exhaust ventilator maintain the original state
State is constant；
If b) three air quantity demands are respectively less than during equal to 1 grade, the air quantity gear of controller control smoke exhaust ventilator turns to 1
Shelves；
Step 430, works as 300ug/m3≤ PM2.5 ＜ 700ug/m3When, controller is passed according to formaldehyde sensor, air quality
The output valve of sensor and combustible gas sensor is judged air quantity demand；
If a) in three air quantity demands at least one more than 2 grades when, controller control smoke exhaust ventilator maintain the original state
State is constant；
If b) three air quantity demands are respectively less than during equal to 2 grades, the air quantity gear of controller control smoke exhaust ventilator turns to 2
Shelves；
Step 440,700ug/m3When≤PM2.5 and smoke exhaust ventilator air quantity are less than or equal to 3 grades, opening controller control is taken out
The air quantity gear of lampblack absorber turns to 3 grades, is transferred to step 100.
Wherein, the model Honeywell laser type PM2.5 sensors of PM2.5 sensors, the model of formaldehyde sensor
The formaldehyde examination sensor of Japanese Nemoto, the IAQ detection sensors of the model AMS of air mass sensor, fuel gas
The model MP4 CH_4 detection sensors of sensor.
Example explanation：
The numerical value of sensor, is that 4 sensors are gathered simultaneously, for example, when formaldehyde is judged, actually knowing
The numerical value of remaining sensor.
Example 1：By taking formaldehyde sensor as an example
Such as a certain moment, smoke exhaust ventilator is in 1 grade of operation, and the data for now gathering are
VIt is flammable=500ppm
VFormaldehyde=5ppm
VOC=800
PM2.5=1000
1) fuel gas is first determined whether,
Fuel gas is 500ppm ＜ 800ppm, thus smoke exhaust ventilator maintain the original state it is constant, i.e., still for 1 grade operation；
2) formaldehyde sensor is then judged, because the output valve of formaldehyde sensor is 5ppm, 5ppm ＞ 3ppm, so and first
The corresponding air quantity gear of output valve of aldehyde sensor is in 2 grades,
But can not at once draw a conclusion, also to see the estimate of situation of other several sensors, look first at a priority
Combustible gas sensor, what now fuel gas judged is less than 1 grade of air quantity (because the output valve of combustible gas sensor is
500ppm, 500ppm ＜ 800ppm), then judge current air quantity, air quantity gear is adjusted to 2 grades by 1 grade≤2 grades of current air quantity；
Example 2：
Such as a certain moment, smoke exhaust ventilator is in 3 grades of operations, and the data for now gathering are
VIt is flammable=500ppm
VFormaldehyde=5ppm
VOC=800
PM2.5=1000
1) fuel gas is first determined whether,
Because the output valve of combustible gas sensor is 500ppm, 500ppm ＜ 800ppm, so smoke exhaust ventilator keeps former
State is constant, i.e., be still 3 grades of operations；
2) formaldehyde is then judged, because the output valve of formaldehyde sensor is 5ppm, 5ppm ＞ 3ppm are defeated with formaldehyde sensor
Go out to be worth corresponding air quantity gear for 2 grades,
But can not at once draw a conclusion, also to see the estimate of situation of other several sensors,
A. look first at the combustible gas sensor of a priority, now fuel gas judge be less than 1 grade of air quantity (because
For the output valve of combustible gas sensor is 500ppm, 500ppm ＜ 800ppm)；
B. current air quantity, 3 grades of current air quantity, 2 grades of ＞ are then judged；
C. VOC and PM2.5 is so then judged, the output valve of air mass sensor now is 800,800 correspondences 2
Shelves, the output valve of PM2.5 sensors is 1000,1,000 3 grades of correspondences, keeps smoke exhaust ventilator state constant, that is, be maintained at 3 grades not
Become；
Example 3：
Such as a certain moment, smoke exhaust ventilator is in 3 grades of operations, and the data for now gathering are
VIt is flammable=500ppm
VFormaldehyde=5ppm
VOC=400
PM2.5=250
1) fuel gas is first determined whether,
Because the output valve of combustible gas sensor is 500ppm, 500ppm ＜ 800ppm, so smoke exhaust ventilator keeps former
State is constant, i.e., be still 3 grades of operations；
2) formaldehyde is then judged, because the output valve of formaldehyde gas sensor is 5ppm, 5ppm ＞ 3ppm, with formaldehyde gas
The corresponding air quantity gear of output valve of sensor is 2 grades,
But can not at once draw a conclusion, also to see the estimate of situation of other several sensors,
A. look first at the combustible gas sensor of a priority, now fuel gas judge be less than 1 grade of air quantity (because
For the output valve of combustible gas sensor is 500ppm, 500ppm ＜ 800ppm)；
B. current air quantity, 3 grades of current air quantity, 2 grades of ＞ are then judged；
C. VOC and PM2.5 is then judged, now the output valve of air mass sensor is 400,400 1 grade of correspondences, PM2.5
The output valve of sensor is 250,250 1 grade of correspondences, then the value that VOC and PM2.5 judge all is 1 grade, meet in flow all≤
2 grades, so now the air quantity of smoke exhaust ventilator should be adjusted to 2 grades (because the output valve of formaldehyde sensor is 5ppm, air quantity gear
Conversion is to 2 grades.)
Example 4：
Such as a certain moment, smoke exhaust ventilator is in 1 grade of operation, and the data for now gathering are
VIt is flammable=4000ppm
VFormaldehyde=5ppm
VOC=500
PM2.5=500
1) fuel gas is first determined whether,
The output valve of combustible gas sensor is 4000ppm, 3500ppm ＜ 4000ppm, so smoke exhaust ventilator is directly adjusted to
3 grades of operations；
Although now formaldehyde is judged as 2 grades, the highest priority of fuel gas, so straight when fuel gas is judged
Connect and smoke exhaust ventilator is just adjusted to 3 grades of air quantity, no matter formaldehyde, TVOC, PM2.5 judged result are how many, smoke exhaust ventilator is 3 grades all the time
Operation, only when the judgment value of fuel gas is less than 3 grades, formaldehyde, TVOC, PM2.5 then next step that just has an opportunity are sentenced
It is disconnected.
It should be understood that the present embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that
Read after the content of instruction of the present invention, those skilled in the art can make various changes or modifications to the present invention, these etc.
Valency form equally falls within the application appended claims limited range.
Claims (8)
1. a kind of smoke exhaust ventilator control method, it is characterized in that, including controller (1), PM2.5 sensors on smoke exhaust ventilator
(2), formaldehyde sensor (3), air mass sensor (4), combustible gas sensor (5) and operating key (6), controller respectively and
The electrical connection of smoke exhaust ventilator, PM2.5 sensors, formaldehyde sensor, air mass sensor, combustible gas sensor and operating key,
Comprise the following steps：The air quantity gear of smoke exhaust ventilator has 4, and air quantity gear is respectively 0 grade, 1 grade, 2 grades and 3 grades, calm, small
Wind, apoplexy and strong wind are corresponding with 0 grade, 1 grade, 2 grades and 3 grades successively；When operating key is pressed after electricity on smoke exhaust ventilator, controller is controlled
Each sensor is started working, and the air quantity of smoke exhaust ventilator is located at 0 grade of calm gear；
The output valve of setting PM2.5 sensors, air mass sensor, formaldehyde sensor and combustible gas sensor is respectively
PM2.5、VOC、VFormaldehydeAnd VIt is flammable；
(1-1)VIt is flammableControl flow
(1-1-1) works as VIt is flammableDuring≤800ppm, controller control smoke exhaust ventilator maintains the original state constant；
(1-1-2) is as 800ppm ＜ VIt is flammableDuring ＜ 2500ppm,
A) if the air quantity of smoke exhaust ventilator is less than 1 grade, the air quantity gear of controller control smoke exhaust ventilator is converted to 1 grade；
B) when the air quantity of smoke exhaust ventilator is more than 1 grade,
If the air quantity demand that the output according to other three kinds of sensors is worth at least one be more than 1 grade when, controller control
Smoke exhaust ventilator processed keeps air quantity gear constant；
If the air quantity demand that the output according to other three kinds of sensors is worth to is respectively less than during equal to 1 grade, controller control is taken out
The air quantity gear of lampblack absorber is converted to 1 grade；
(1-1-3) is as 2500ppm≤VIt is flammableDuring ＜ 3500ppm,
A) if the air quantity of smoke exhaust ventilator is less than 2 grades, the air quantity gear of controller control smoke exhaust ventilator is converted to 2 grades；
B) if the air quantity of smoke exhaust ventilator is more than 2 grades,
When the air quantity demand being worth to according to the output of other three kinds of sensors is more than 2 grades, then controller controls smoke exhaust ventilator
Air quantity gear keep it is constant；
When the air quantity demand being worth to according to the output of other three kinds of sensors is respectively less than equal to 2 grades, then controller control is taken out
The air quantity gear of lampblack absorber is converted to 2 grades；
(1-1-4) is as 3500ppm≤VIt is flammableAnd when smoke exhaust ventilator air quantity is less than 3 grades, the air quantity shelves of controller control smoke exhaust ventilator
Position is converted to 3 grades；
(1-2)VFormaldehydeControl flow；
(1-3) VOC control flows；
(1-4) PM2.5 control flows, are transferred to step (1-1).
2. smoke exhaust ventilator control method according to claim 1, it is characterized in that, V formaldehyde control flows comprise the following steps：
(2-1) works as VFormaldehydeDuring ＜ 3ppm, controller control smoke exhaust ventilator maintains the original state constant；
(2-2) is as 3ppm≤VFormaldehydeWhen,
A) if the air quantity demand that the output according to combustible gas sensor is worth to is more than 2 grades, controller control smoke exhaust ventilator
Maintain the original state constant,
B) if the air quantity demand that the output according to combustible gas sensor is worth to is less than 2 grades, when smoke exhaust ventilator air quantity is less than
During equal to 2 grades, controller control smoke exhaust ventilator air quantity gear is converted to 2 grades；
When smoke exhaust ventilator air quantity is more than 2 grades, controller does air-out according to air mass sensor and PM2.5 sensor output values
The judgement of amount demand,
If 1) in 2 air quantity demands at least one more than 2 grades when, controller control smoke exhaust ventilator air quantity gear keep not
Become；
If 2) 2 air quantity demands are respectively less than during equal to 2 grades, the air quantity gear of controller control smoke exhaust ventilator is converted to 2 grades.
3. smoke exhaust ventilator control method according to claim 1, it is characterized in that, VOC control flows comprise the following steps：
(3-1), as VOC ＜ 300, controller control smoke exhaust ventilator maintains the original state constant；
During (3-2) 300≤VOC ＜ 600, controller is according to the output valve of combustible gas sensor and formaldehyde sensor respectively to wind
Amount demand judged,
If a) two air quantity demands at least one when being more than 1 grade, controller control smoke exhaust ventilator maintains the original state constant；
If b) two air quantity demands are respectively less than during equal to 1 grade,
When smoke exhaust ventilator air quantity is less than or equal to 1 grade, the air quantity gear of controller control smoke exhaust ventilator turns to 1 grade；
When smoke exhaust ventilator air quantity is more than 1 grade,
If PM2.5 sensor air quantity demand is more than 1 grade, controller control smoke exhaust ventilator maintains the original state constant；
If PM2.5 sensor air quantity demand is less than or equal to 1 grade, the air quantity gear of controller control smoke exhaust ventilator turns to 1 grade；
During (3-3) 600≤VOC ＜ 1000,
Controller judged demand air quantity using the output valve of fuel gas, formaldehyde sensor,
If a) two air quantity demands at least one need to more than 2 grades when, controller control smoke exhaust ventilator maintains the original state constant；
If b) two air quantity demands are respectively less than during equal to 2 grades,
When smoke exhaust ventilator air quantity is less than or equal to 2 grades, the air quantity gear of controller control smoke exhaust ventilator turns to 2 grades；
When smoke exhaust ventilator air quantity is more than 2 grades,
If PM2.5 sensor air quantity demand is more than 2 grades, controller control smoke exhaust ventilator maintains the original state constant；
If PM2.5 sensor air quantity demand is less than or equal to 2 grades, the air quantity gear of controller control smoke exhaust ventilator turns to 2 grades；
(3-4) when 1000≤VOC and smoke exhaust ventilator air quantity are less than or equal to 3 grades, the air quantity shelves of controller control smoke exhaust ventilator
Position turns to 3 grades.
4. the smoke exhaust ventilator control method according to claim 1 or 2 or 3, it is characterized in that, PM2.5 control flows are included such as
Lower step：
(4-1) is as PM2.5 ＜ 200ug/m3When, controller control smoke exhaust ventilator maintains the original state constant；
(4-2) works as 200ug/m3≤ PM2.5 ＜ 300ug/m3When, controller is according to formaldehyde sensor, air mass sensor and can
The output valve of combustion gas body sensor is judged air quantity demand；
If a) in three air quantity demands at least one more than 1 grade when, controller control smoke exhaust ventilator maintain the original state not
Become；
If b) three air quantity demands are respectively less than during equal to 1 grade, the air quantity gear of controller control smoke exhaust ventilator turns to 1 grade；
(4-3) works as 300ug/m3≤ PM2.5 ＜ 700ug/m3When, controller is according to formaldehyde sensor, air mass sensor and can
The output valve of combustion gas body sensor is judged air quantity demand；
If a) in three air quantity demands at least one more than 2 grades when, controller control smoke exhaust ventilator maintain the original state not
Become；
If b) three air quantity demands are respectively less than during equal to 2 grades, the air quantity gear of controller control smoke exhaust ventilator turns to 2 grades；
(4-4)700ug/m3When≤PM2.5 and smoke exhaust ventilator air quantity are less than or equal to 3 grades, opening controller control smoke exhaust ventilator
Air quantity gear turns to 3 grades.
5. smoke exhaust ventilator control method according to claim 1, it is characterized in that, the model Huo Niwei of PM2.5 sensors
That laser type PM2.5 sensors.
6. smoke exhaust ventilator control method according to claim 1, it is characterized in that, the model Japan of formaldehyde sensor
The formaldehyde examination sensor of Nemoto.
7. smoke exhaust ventilator control method according to claim 1, it is characterized in that, the model AMS of air mass sensor
IAQ detection sensors.
8. the smoke exhaust ventilator control method according to claim 1 or 2 or 3 or 5 or 6 or 7, it is characterized in that, fuel gas is passed
The model MP4 CH_4 detection sensors of sensor.
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