CN109405014A - Kitchen ventilator infrared control method, system and kitchen ventilator - Google Patents
Kitchen ventilator infrared control method, system and kitchen ventilator Download PDFInfo
- Publication number
- CN109405014A CN109405014A CN201811292431.4A CN201811292431A CN109405014A CN 109405014 A CN109405014 A CN 109405014A CN 201811292431 A CN201811292431 A CN 201811292431A CN 109405014 A CN109405014 A CN 109405014A
- Authority
- CN
- China
- Prior art keywords
- kitchen ventilator
- change rate
- value
- condition
- variation amount
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The present invention provides a kind of kitchen ventilator infrared control method, system and kitchen ventilators, are related to kitchen ventilator technical field, this method comprises: acquisition monitoring parameters value；Monitoring parameters value is handled by median average filter algorithm, obtains feedback parameter values；State interval, Parameters variation amount and the parameter change rate of feedback parameter values are determined in predetermined period；The operating status of kitchen ventilator is controlled according to state interval, Parameters variation amount and parameter change rate.Kitchen ventilator infrared control method, system and kitchen ventilator provided in an embodiment of the present invention, monitoring parameters value can be obtained into feedback parameter values by median average filter algorithm process, and determine state interval, Parameters variation amount and the parameter change rate of feedback parameter values, and then the operating status of kitchen ventilator is controlled according to its state interval, Parameters variation amount and parameter change rate, the accuracy of temperature measurement data and the matching degree of cooking process can be improved, automatically it is precisely controlled the air quantity of kitchen ventilator, guarantees culinary art safety.
Description
Technical field
The present invention relates to kitchen ventilator technical fields, more particularly, to kitchen ventilator infrared control method, system and kitchen ventilator.
Background technique
With the development of artificial intelligence technology, intelligent appliance starts the concern by consumer.Kitchen ventilator system is as kitchen
The smoking that manually controls of the essential central control system of electricity, traditional type smoke machine can not meet everybody to the fine of culinary art life
Yearn for.In addition, the cooking tools such as conventional gas stove (hereinafter referred cooking tools) are when carrying out the creation of kitchen works, it may appear that dry
It burns, the kitchens such as air-fuel or even fire security risk.It is such in order to solve the problems, such as, it can be in the structure of the cooking tools such as kitchen range
Middle addition temperature sensor, the temperature below contact type temperature sensor detection cookware in traditional cooking range furnace end are greater than limit value
The corresponding auto extinguishing of Shi Jinhang closes gas, avoids dryouting pot and contingency operation.Which is higher to the rigorous of structure,
And the detection inaccuracy of metal thermo-sensitive sensor is influenced by grease stain, the bottom of a pan carbon distribution, time of contact etc., to the essence of temperature sensor
Degree, durability degree test is larger, has biggish limitation, can not can all realize to all cooking tools, furthermore does not also accomplish pair
The linkage control of smoke machine under each cooking status is precisely smoked, and intelligence degree is much unable to satisfy easily cooking for user
It prepares food demand.
Summary of the invention
In view of this, being surveyed the purpose of the present invention is to provide kitchen ventilator infrared control method, system and kitchen ventilator with improving
The accuracy of warm data and the matching degree of cooking process are precisely controlled the air quantity of kitchen ventilator automatically, guarantee culinary art safety.
In a first aspect, the embodiment of the invention provides a kind of kitchen ventilator infrared control methods, wherein include:
Acquire monitoring parameters value；
Monitoring parameters value is handled by median average filter algorithm, obtains feedback parameter values；
State interval, Parameters variation amount and the parameter change rate of feedback parameter values are determined in predetermined period；
The operating status of kitchen ventilator is controlled according to state interval, Parameters variation amount and parameter change rate.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein will
Monitoring parameters value is handled by median average filter algorithm, obtains feedback parameter values, comprising:
Within each period, at least four groups of monitoring parameters values are acquired；
At least four groups of monitoring parameters values are rejected into maximum values and minimum value, and by remaining at least two groups monitoring parameters value
Average value is determined as feedback parameter values.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein state interval, Parameters variation amount and the Parameters variation of feedback parameter values are determined in predetermined period
Rate, comprising:
Determine current feedback parameter value and previous cycle feedback parameter values；
Determine that the state interval that previous cycle feedback parameter values are fallen into, state interval are at least wrapped according to default thermal field boundary value
Include low-temperature range, medium temperature section, high temperature section and high temperature exception section；
First derivation is carried out to the feedback parameter values in predetermined period, determines Parameters variation amount；
First derivation is carried out to the Parameters variation amount in predetermined period, determines parameter change rate；
Wherein, predetermined period is multiple periods where current feedback parameter value.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the third of first aspect
Possible embodiment, wherein when previous periodic feedback parameter value falls into any state section, according to state interval, parameter
The operating status of variable quantity and parameter change rate control kitchen ventilator, comprising:
When meeting first condition, control kitchen ventilator enters low-grade air quantity, and first condition is the Mei Gecan in predetermined period
Number variable quantity is respectively less than the first variable quantity and parameter change rate is less than default change rate.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, wherein when previous periodic feedback parameter value falls into low-temperature range, according to state interval, Parameters variation
The operating status of amount and parameter change rate control kitchen ventilator, comprising:
Judge whether to meet second condition, second condition is that Parameters variation amount is greater than the second variable quantity and parameter change rate is big
In default change rate；
If being unsatisfactory for second condition, controls kitchen ventilator and enter low-grade air quantity；
If meeting second condition, judge whether current feedback parameter value is in the first preset temperature range；
If being in the first preset temperature range, controls kitchen ventilator and enter middle-grade air quantity；
If being not at the first preset temperature range, judge whether current feedback parameter value is in the second preset temperature model
It encloses；
If being in the second preset temperature range, controls kitchen ventilator and enter low-grade air quantity and run preset time；
If being not at the second preset temperature range, controls kitchen ventilator and enter low-grade air quantity.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the 5th kind of first aspect
Possible embodiment, wherein when previous periodic feedback parameter value falls into medium temperature section, according to state interval, Parameters variation
The operating status of amount and parameter change rate control kitchen ventilator, comprising:
Judge whether to meet third condition, third condition is that Parameters variation amount is greater than third variable quantity and parameter change rate is small
In default change rate；
If meeting third condition, controls kitchen ventilator and carry out high-grade air quantity；
If being unsatisfactory for third condition, judge whether to meet fourth condition, fourth condition is that Parameters variation amount is greater than the
Three variable quantities and parameter change rate are greater than default change rate；
If meeting fourth condition, controls kitchen ventilator and enter low-grade air quantity；
If being unsatisfactory for fourth condition, controls kitchen ventilator and enter middle-grade air quantity.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the 6th kind of first aspect
Possible embodiment, wherein when previous periodic feedback parameter value falls into high temperature section, according to state interval, Parameters variation
The operating status of amount and parameter change rate control kitchen ventilator, comprising:
Judge whether to meet third condition；
If meeting third condition, controls kitchen ventilator and enter high-grade air quantity；
If being unsatisfactory for third condition, controls kitchen ventilator and enter middle-grade air quantity.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the 7th kind of first aspect
Possible embodiment, wherein when previous periodic feedback parameter value falls into superhigh temperature section, become according to state interval, parameter
The operating status of change amount and parameter change rate control kitchen ventilator, comprising:
When meeting fifth condition, control kitchen ventilator issues alarm, and fifth condition is each Parameters variation in predetermined period
Amount is all larger than the first variable quantity and parameter change rate is greater than default change rate.
Second aspect, the embodiment of the present invention also provide a kind of kitchen ventilator infrared control system, wherein include:
Acquisition unit, for acquiring monitoring parameters value；
Processing unit obtains feedback parameter for handling monitoring parameters value by median average filter algorithm
Value；
Determination unit, for determining that the state interval, Parameters variation amount and parameter of feedback parameter values become in predetermined period
Rate；
Control unit, for controlling the operating status of kitchen ventilator according to state interval, Parameters variation amount and parameter change rate.
The third aspect, the embodiment of the present invention also provide a kind of kitchen ventilator, wherein including above-mentioned kitchen ventilator infrared control system
System, further includes blower, alarm and infrared temperature probe；
Kitchen ventilator infrared control system is separately connected with blower, alarm, infrared temperature probe, for receiving and processing
The monitoring parameters value of infrared temperature probe acquisition, controls the operating status of blower and alarm.
The embodiment of the present invention bring it is following the utility model has the advantages that
Kitchen ventilator infrared control method, system and kitchen ventilator provided in an embodiment of the present invention can lead to monitoring parameters value
It crosses median average filter algorithm process and obtains feedback parameter values, and determine state interval, the Parameters variation amount of feedback parameter values
And parameter change rate, and then the operating status of kitchen ventilator is controlled according to its state interval, Parameters variation amount and parameter change rate,
The accuracy of temperature measurement data and the matching degree of cooking process can be improved, be precisely controlled the air quantity of kitchen ventilator automatically, guarantee to cook
It prepares food safety.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the kitchen ventilator infrared control method flow chart that the embodiment of the present invention one provides；
Fig. 2 is the method flow diagram of the operating status for the control kitchen ventilator that the embodiment of the present invention one provides；
Fig. 3 is kitchen ventilator infrared control system schematic provided by Embodiment 2 of the present invention；
Fig. 4 is the range hood structure schematic diagram that the embodiment of the present invention three provides.
Icon:
11- acquisition unit；12- processing unit；13- determination unit；14- control unit；21- exhaust fume collecting hood；22- cooks work
Tool；23- infrared temperature probe；24- alarm.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, conventional culinary tool is when carrying out the creation of kitchen works, it may appear that the kitchens such as dry combustion method, air-fuel or even fire
Security risk.It is such in order to solve the problems, such as, temperature sensor, traditional stove can be added in the structure of the cooking tools such as kitchen range
The temperature below contact type temperature sensor detection cookware in tool burner carries out corresponding auto extinguishing when being greater than limit value and closes gas,
It avoids dryouting pot and contingency operation.For which to structure to the precision of temperature sensor, durability degree test is larger, have compared with
Big limitation can not can all realize all cooking tools, also not accomplish the linkage to the smoke machine under each cooking status
Control is precisely smoked, and intelligence degree is much unable to satisfy the light culinary art demand of user.
Based on this, a kind of kitchen ventilator infrared control method, system and kitchen ventilator provided in an embodiment of the present invention be can be improved
The accuracy of temperature measurement data and the matching degree of cooking process are precisely controlled the air quantity of kitchen ventilator automatically, guarantee culinary art safety.
For convenient for understanding the present embodiment, first to a kind of kitchen ventilator infrared control disclosed in the embodiment of the present invention
Method describes in detail.
Embodiment one:
The embodiment of the invention provides a kind of kitchen ventilator infrared control method, kitchen ventilator infrared control shown in Figure 1
The flow chart of method, this method comprises the following steps:
Step S101 acquires monitoring parameters value.
Infrared temperature probe is mounted on the exhaust fume collecting hood lower surface of kitchen ventilator by the position of special angle.When unlatching oil smoke
When machine and infrared measurement of temperature monitoring function, infrared temperature probe initialization, including (t is initialization sampling period t greater than 25ms
Can, for example, 500ms), sensor itself preheat certain time (such as 2-3s), then to detect in search coverage in cooking process
Infrared wavelength signal, and infrared wavelength signal is transferred in real time the data processing and control system of kitchen ventilator, data processing
Infrared wavelength signal is converted into monitoring parameters value with control system；Wherein, monitoring parameters value is monitoring temperature value, monitoring energy
Value or other monitoring parameters values, can satisfy monitoring needs, the present embodiment is without limitation.
Here, there is certain requirement in the position of infrared temperature probe installation site and smoke machine cooking tools structure.Reference
A kind of possible implementation shown in Fig. 4, its central point should be fallen in cooking tools as far as possible when infrared temperature probe is installed
Center, the search coverage of formation is the heating region of cooking tools and shape is a circle, which is denoted as D, oil
The difference in height of smoke machine and cooking tools is denoted as H, and the range of H:D is 5:1-4:1.
In addition, kitchen ventilator can be any form；The quantity of infrared temperature probe can be the one-to-one monitoring in Fig. 4
Temperature is also possible to two and one monitoring temperature etc.；The position of infrared temperature probe can be two side positions in Fig. 4, can also
To be any position and any angle in kitchen ventilator；The present embodiment does any restriction not to this.
Monitoring parameters value is handled by median average filter algorithm, obtains feedback parameter values by step S102.
The treatment process is described by taking monitoring temperature value as an example.You, acquires at least four groups of monitorings within each period
Parameter value；At least four groups of monitoring parameters values are rejected into maximum values and minimum value, and by remaining at least two groups monitoring parameters value
Average value is determined as feedback parameter values.For example, every 0.1s acquires a monitoring temperature value, in each period 0.5s
Place value average filter algorithm handles collected five groups of monitoring temperature values altogether, i.e. rejecting maximum value and minimum value, remainder
The average value of lower three groups of monitoring temperature values, the temperature value fed back.The acquisition process of the energy value of feedback is same.Using
Temperature value that median average filter algorithm obtains, energy value accuracy are higher.
The feedback parameter values in multiple periods (by taking 40 periods as an example) are acquired and handled by the above process, and anti-by 40
Feedforward parameter value is saved into the data field of data processing and control system.
Step S103 determines state interval, Parameters variation amount and the parameter change rate of feedback parameter values in predetermined period.
Specifically, feedback parameter values be with collection period real-time update, by the feedback parameter values in predetermined period into
Row identification, determines current feedback parameter value, previous cycle feedback parameter values, and by the pre- of above-mentioned feedback parameter values and internal system
Setting parameter boundary value is matched, and determines feedback parameter values state in which section；To the feedback parameter values in predetermined period into
Row first derivation determines Parameters variation amount；First derivation is carried out to the Parameters variation amount in predetermined period, determines Parameters variation
Rate；Wherein, predetermined period is multiple periods where current feedback parameter value.By the ginseng for continuously identifying search coverage with the period
Numerical value change, can accurate closing to reality cooking status.
Step S104 controls the operating status of kitchen ventilator according to state interval, Parameters variation amount and parameter change rate.
Specifically, by Parameters variation amount, parameter change rate, preset value corresponding with internal system is compared respectively, according to
The various combination of variable quantity comparison result, change rate comparison result and state interval identifies current cooking status, such as normally
Culinary art, culinary art quick-fried, culinary art move pot, the fiery state in pass etc.；The suitable operating status of kitchen ventilator, Jin Ershi are determined according to cooking status
Time control liquefaction smoke machine.Control mode to kitchen ventilator includes gear switch, exhaust air rate size, status alert etc..
Kitchen ventilator infrared control method provided in an embodiment of the present invention can averagely filter monitoring parameters value by median
Wave algorithm process obtains feedback parameter values, and determines state interval, Parameters variation amount and the parameter change rate of feedback parameter values, into
And the operating status of kitchen ventilator is controlled according to its state interval, Parameters variation amount and parameter change rate, thermometric number can be improved
According to accuracy and cooking process matching degree, be precisely controlled the air quantity of kitchen ventilator automatically, guarantee culinary art safety.
In above-mentioned steps S103, when feedback parameter values are temperature value, feedback parameter values are determined in predetermined period
It the step of state interval, Parameters variation amount and parameter change rate, specifically includes:
Determine current temperature value T1 and previous cycle temperature value T2.Multiple temperature values in data field are according to first in first out
Queue-type updates, and having time sequencing matches these temperature values, identifies that the currently monitored temperature is denoted as T1, previous
Cycle monitoring temperature is denoted as T2.
Determine that the state interval that previous cycle temperature value T2 is fallen into, state interval include at least according to default thermal field boundary value
Low-temperature range, medium temperature section, high temperature section and high temperature exception section, can also be divided into more areas to more be precisely controlled
Between.Each state interval can be divided according to temperature actual when cooking, such as with thermal field boundary value for 120 DEG C, 180
DEG C, 250 DEG C of determining state intervals include low-temperature range: 120 DEG C of T2 <, medium temperature section: 120 DEG C of 180 DEG C of < T2 <, high temperature
Section: 250 DEG C of 180 DEG C of < T2 < and high temperature exception section: 250 DEG C of T2 >.
40 temperature values in data field can be subjected to temperature single order and lead processing, as shown in formula (1):
Δ M=(T1-T2)/t (1),
I.e. the single order lead result Δ M be temperature value variable quantity, due to sampling period t be it is certain, Δ M can be indicated
Temperature change direction.According to formula (1), first derivation, temperature value variable quantity are carried out to the temperature value in predetermined period；In advance
If the period is such as continuous 5 period, corresponding temperature value change rate is denoted as △ M1, △ M2, △ M3, △ M4, △ M5.
Since T1, T2 are updating, △ M is also in update, so needing to ask to △ M derivation again.To the default week
Temperature value variable quantity in phase carries out first derivation, as carries out second order derivation to temperature value, and temperature value change rate is such as public
Shown in formula (2):
A=(Δ M2- Δ M1)/t (2),
Temperature value change rate can indicate the warm fluctuating acceleration of temperature, be denoted as A.
Wherein, internal system is preset with the numerical value for Comparison calibration temperature value variable quantity △ M, can be set to the first change
Change amount: 5 DEG C, the second variable quantity: 10 DEG C and third variable quantity: 20 DEG C；It is equally preset with for comparing school temperature value change rate A's
Default change rate, can be set to 1.
In above-mentioned steps S103, when feedback parameter values are energy value, feedback parameter values are determined in predetermined period
The step of state interval, Parameters variation amount and parameter change rate, comprising:
Determine current energy value and previous cycle energy value；
Determine that the state interval that previous cycle energy value is fallen into, state interval include at least low according to preset energy boundary value
Between energy section, intermediate region, high-energy section and high-energy exception section；
First derivation is carried out to the energy value in predetermined period, determines energy variation amount；
First derivation is carried out to the energy variation amount in predetermined period, determines energy gradient.
During the specific implementation of step S103, by dividing state interval, temperature value/energy is calculated in conjunction with first derivation
Variable quantity, the second order derived function temperature value/energy value change rate of magnitude, can be in the more accurate base of temperature value/energy value
It on plinth, further realizes and accurately reacts cooking status, improve the matching degree of temperature value/energy value and cooking process.
When feedback parameter values are temperature value, above-mentioned steps S104, according to state interval, Parameters variation amount and Parameters variation
Rate controls the operating status of kitchen ventilator, can refer to Fig. 2 in specific implementation:
Step S301 determines current temperature value T1 and previous cycle temperature value T2.
Step S202, no matter which state interval T1, T2 fall into, and when meeting first condition, execute step S203.First
Condition is that each Parameters variation amount is respectively less than the first variable quantity and parameter change rate is less than default change rate in predetermined period,
That is: 5 DEG C of 5 DEG C of Δ M1 < and Δ M2 < and 5 DEG C of Δ M3 < and 5 DEG C of Δ M4 < and 5 DEG C of Δ M5 < and A < 1.
Step S203, control kitchen ventilator enter low-grade air quantity.When meeting step S202, identification cooking status is culinary art knot
Beam, in fiery state is closed, kitchen ventilator enters low-grade air quantity, which can be 1 grade of air quantity.
When previous Periodic Temperature value is in 120 DEG C of low-temperature range T2 <:
Step S204, judges whether to meet second condition, second condition be temperature value variable quantity be greater than the second variable quantity and
Temperature value change rate is greater than default change rate, i.e. 10 DEG C of Δ M > and A > 1.If conditions are not met, thening follow the steps S205；If full
Foot, thens follow the steps S206.
Step S205, control kitchen ventilator enter low-grade air quantity.
Step S206, judges whether current temperature value is in the first preset temperature range: 85 DEG C of 130 DEG C of < T1 <.If
In the first preset temperature range, S207 is thened follow the steps；If being not at the first preset temperature range, then follow the steps
S208。
Step S207, control kitchen ventilator enter middle-grade air quantity.When meeting the first preset temperature range, cooking status is identified
For stirring state or pot cover state is lifted, kitchen ventilator enters middle-grade air quantity, which can be 3 grades of air quantity.
Step S208 judges whether current temperature value is in the second preset temperature range: 130 DEG C of T1 >.If in the
Two preset temperature ranges, then follow the steps S209；If being not at the second preset temperature range, S210 is thened follow the steps.
Step S209, control kitchen ventilator enter low-grade air quantity and run preset time.When meeting the second preset temperature range
When, identification cooking status is to move pot state, and kitchen ventilator enters 1 grade of air quantity and forced service preset time, which can be with
It is 15 seconds, is conducive to be discharged remaining cooking fume after culinary art.
Step S210, control kitchen ventilator enter 1 grade of air quantity.
When previous Periodic Temperature value is in 180 DEG C of < T2 < of 120 DEG C of medium temperature section:
Step S211, judges whether to meet third condition, third condition be temperature value variable quantity be greater than third variable quantity and
Temperature value change rate is less than default change rate, i.e. 20 DEG C of Δ M > and A < 1.If meeting third condition, S212 is thened follow the steps；
If being unsatisfactory for third condition, S213 is thened follow the steps.
Step S212, control kitchen ventilator carry out high-grade air quantity.When meeting third condition, identification cooking status is quick-fried shape
State, control kitchen ventilator enter high-grade air quantity, and high-grade air quantity can be 6 grades of air quantity.
Step S213, judges whether to meet fourth condition, fourth condition be temperature value variable quantity be greater than third variable quantity and
Temperature value change rate is greater than default change rate, i.e. 20 DEG C of Δ M > and A > 1；If meeting fourth condition, S214 is thened follow the steps；
If being unsatisfactory for fourth condition, S215 is thened follow the steps.
Step S214, control kitchen ventilator enter low-grade air quantity.When meeting fourth condition, identification cooking status is to move pot shape
State, control kitchen ventilator enter 1 grade of air quantity.
Step S215, control kitchen ventilator enter middle-grade air quantity.When being unsatisfactory for fourth condition, identification cooking status is normal
Cooking status, control kitchen ventilator enter middle-grade air quantity, and middle-grade air quantity can be 3 grades of air quantity.
When previous Periodic Temperature value is in 250 DEG C of < T2 < of 180 DEG C of high temperature section:
Step S216 judges whether to meet third condition: 20 DEG C of Δ M > and A < 1.If meeting third condition, execute
Step S217；If being unsatisfactory for third condition, S218 is thened follow the steps.
Step S217, control kitchen ventilator enter high-grade air quantity.When meeting third condition, identification cooking status is quick-fried shape
State, control kitchen ventilator enter 6 grades of air quantity.
Step S218, control kitchen ventilator enter middle-grade air quantity.When being unsatisfactory for third condition, identification cooking status is normal
Cooking status, control kitchen ventilator enter 3 grades of air quantity.
When previous Periodic Temperature value is in 250 DEG C of T2 > of high temperature exception section:
Step S219 executes step S220 when meeting fifth condition.Fifth condition is each temperature in predetermined period
Value variable quantity be all larger than the first variable quantity and temperature value change rate be greater than 5 DEG C of default change rate, i.e. 5 DEG C of Δ M1 > and Δ M2 > and
5 DEG C of 5 DEG C of Δ M3 > and Δ M4 > and 5 DEG C of Δ M5 > and A > 1.
Step S220 is executed, control kitchen ventilator issues alarm.
Wherein, alarm can be issued by the alarm installed on kitchen ventilator, alarm is such as speech player, sending
Alarm is voice prompting；Or be combined aural and visual alarm, the alarm of sending is acousto-optic hint.
Kitchen ventilator infrared control method provided in an embodiment of the present invention can averagely filter monitoring parameters value by median
Wave algorithm process obtains feedback parameter values, and determines the state interval of feedback parameter values and pass through first derivation, second order derivation
It determines Parameters variation amount and parameter change rate, and then oil is controlled according to its state interval, Parameters variation amount and parameter change rate
The operating status of smoke machine can be improved the accuracy of temperature measurement data and the matching degree of cooking process, be precisely controlled oil smoke automatically
The air quantity of machine guarantees culinary art safety.
Embodiment two:
The embodiment of the invention provides a kind of kitchen ventilator infrared control systems, and referring to Fig. 3, which includes:
Acquisition unit 11, for acquiring monitoring parameters value；
Processing unit 12 obtains feedback ginseng for handling monitoring parameters value by median average filter algorithm
Numerical value；
Determination unit 13, for determining state interval, Parameters variation amount and the parameter of feedback parameter values in predetermined period
Change rate；
Control unit 14, for controlling the operation shape of kitchen ventilator according to state interval, Parameters variation amount and parameter change rate
State.
Kitchen ventilator infrared control system provided in an embodiment of the present invention, with kitchen ventilator infrared control provided by the above embodiment
Method technical characteristic having the same reaches identical technical effect so also can solve identical technical problem.
The embodiment of the present invention also provides a kind of kitchen ventilator, including above-mentioned kitchen ventilator infrared control system, further include blower,
Alarm 24, infrared temperature probe 23 etc..Infrared temperature probe 23 is installed on the lower surface of exhaust fume collecting hood 21, and its central point
The center of cooking tools 22 is fallen in as far as possible, and investigative range forms a circle；Alarm 24 is installed on the top of exhaust fume collecting hood 21.
Kitchen ventilator infrared control system is separately connected with blower, alarm 24, infrared temperature probe 23, infrared for receiving and processing
The monitoring parameters value that temperature transducer 23 acquires controls the operation of blower and alarm 24 after handling monitoring parameters value,
Control mode can be with are as follows: control fan delivery size, control alarm 24 issue audio alert or sound-light alarm.
The embodiment of the present invention also provides a kind of kitchen ventilator infrared control device, which includes: processor, memory, total
Line and communication interface, processor, communication interface and are memory and are connected by bus.Memory is for storing program；Processor,
For calling program stored in memory by bus, kitchen ventilator infrared control side provided by above-described embodiment is executed
Method.
The technical effect of system, kitchen ventilator provided by the embodiment of the present invention and device, realization principle and generation is with before
It is identical to state embodiment of the method, to briefly describe, the embodiment part of system, kitchen ventilator and device does not refer to place, before can refer to
State corresponding contents in embodiment of the method.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of kitchen ventilator infrared control method characterized by comprising
Acquire monitoring parameters value；
The monitoring parameters value is handled by median average filter algorithm, obtains feedback parameter values；
State interval, Parameters variation amount and the parameter change rate of the feedback parameter values are determined in predetermined period；
The operating status of kitchen ventilator is controlled according to the state interval, the Parameters variation amount and the parameter change rate.
2. the method according to claim 1, wherein described averagely filter the monitoring parameters value by median
Wave algorithm is handled, and feedback parameter values are obtained, comprising:
Within each period, acquisition at least monitoring parameters value described in four groups；
At least monitoring parameters value described in four groups it will reject maximum value and minimum value, and by remaining at least two groups monitoring parameters value
Average value is determined as the feedback parameter values.
3. according to the method described in claim 2, it is characterized in that, described determine the feedback parameter values in predetermined period
State interval, Parameters variation amount and parameter change rate, comprising:
Determine current feedback parameter value and previous cycle feedback parameter values；
The state interval that the previous cycle feedback parameter values are fallen into, the state area are determined according to default thermal field boundary value
Between include at least low-temperature range, medium temperature section, high temperature section and high temperature exception section；
First derivation is carried out to the feedback parameter values in the predetermined period, determines the Parameters variation amount；
First derivation is carried out to the Parameters variation amount in the predetermined period, determines the parameter change rate；
Wherein, the predetermined period is multiple periods where the current feedback parameter value.
4. according to the method described in claim 3, it is characterized in that, when the previous cycle feedback parameter values fall into any state
When section, the operation shape that kitchen ventilator is controlled according to the state interval, the Parameters variation amount and the parameter change rate
State, comprising:
When meeting first condition, control kitchen ventilator enters low-grade air quantity, and the first condition is in the predetermined period, often
A Parameters variation amount is respectively less than the first variable quantity and the parameter change rate is less than default change rate.
5. according to the method described in claim 3, it is characterized in that, when the previous cycle feedback parameter values fall into the low temperature
When section, the operation shape that kitchen ventilator is controlled according to the state interval, the Parameters variation amount and the parameter change rate
State, comprising:
Judge whether to meet second condition, the second condition is that the Parameters variation amount is greater than the second variable quantity and the parameter
Change rate is greater than default change rate；
If being unsatisfactory for the second condition, controls kitchen ventilator and enter low-grade air quantity；
If meeting the second condition, judge whether current feedback parameter value is in the first preset temperature range；
If being in the first preset temperature range, controls kitchen ventilator and enter middle-grade air quantity；
If being not at the first preset temperature range, judge whether current feedback parameter value is in the second preset temperature range；
If being in the second preset temperature range, controls kitchen ventilator and enter low-grade air quantity and run preset time；
If being not at the second preset temperature range, controls kitchen ventilator and enter low-grade air quantity.
6. according to the method described in claim 3, it is characterized in that, when the previous cycle feedback parameter values fall into the medium temperature
When section, the operation shape that kitchen ventilator is controlled according to the state interval, the Parameters variation amount and the parameter change rate
State, comprising:
Judge whether to meet third condition, the third condition is that the Parameters variation amount is greater than third variable quantity and the parameter
Change rate is less than default change rate；
If meeting the third condition, controls kitchen ventilator and carry out high-grade air quantity；
If being unsatisfactory for the third condition, judge whether to meet fourth condition, the fourth condition is the Parameters variation
Amount is greater than the third variable quantity and the parameter change rate is greater than the default change rate；
If meeting the fourth condition, controls kitchen ventilator and enter low-grade air quantity；
If being unsatisfactory for the fourth condition, controls kitchen ventilator and enter middle-grade air quantity.
7. according to the method described in claim 3, it is characterized in that, when the previous cycle feedback parameter values fall into the high temperature
When section, the operation shape that kitchen ventilator is controlled according to the state interval, the Parameters variation amount and the parameter change rate
State, comprising:
Judge whether to meet third condition；
If meeting the third condition, controls kitchen ventilator and enter high-grade air quantity；
If being unsatisfactory for the third condition, controls kitchen ventilator and enter middle-grade air quantity.
8. according to the method described in claim 3, it is characterized in that, when the previous cycle feedback parameter values fall into the superelevation
When between warm area, the operation that kitchen ventilator is controlled according to the state interval, the Parameters variation amount and the parameter change rate
State, comprising:
When meeting fifth condition, control kitchen ventilator issues alarm, and the fifth condition is each parameter in predetermined period
Variable quantity is all larger than the first variable quantity and the parameter change rate is greater than default change rate.
9. a kind of kitchen ventilator infrared control system characterized by comprising
Acquisition unit, for acquiring monitoring parameters value；
Processing unit obtains feedback parameter for handling the monitoring parameters value by median average filter algorithm
Value；
Determination unit, for determining that the state interval, Parameters variation amount and parameter of the feedback parameter values become in predetermined period
Rate；
Control unit, for controlling kitchen ventilator according to the state interval, the Parameters variation amount and the parameter change rate
Operating status.
10. a kind of kitchen ventilator, which is characterized in that further include wind including kitchen ventilator infrared control system as claimed in claim 9
Machine, alarm and infrared temperature probe；
The kitchen ventilator infrared control system is separately connected with the blower, the alarm, the infrared temperature probe, is used
In the monitoring parameters value for receiving and processing the infrared temperature probe acquisition, the operation of the blower and the alarm is controlled
State.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811292431.4A CN109405014B (en) | 2018-10-31 | 2018-10-31 | Infrared control method and system for range hood and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811292431.4A CN109405014B (en) | 2018-10-31 | 2018-10-31 | Infrared control method and system for range hood and range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109405014A true CN109405014A (en) | 2019-03-01 |
| CN109405014B CN109405014B (en) | 2020-05-22 |
Family
ID=65470731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811292431.4A Active CN109405014B (en) | 2018-10-31 | 2018-10-31 | Infrared control method and system for range hood and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109405014B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945264A (en) * | 2019-03-22 | 2019-06-28 | 宁波奥克斯电气股份有限公司 | A kind of kitchen ventilator control method, device and kitchen ventilator |
| CN111336565A (en) * | 2020-04-09 | 2020-06-26 | 佛山市顺德区美的洗涤电器制造有限公司 | Fire-off detection method and device for cooking equipment, range hood and storage medium |
| CN111928308A (en) * | 2020-08-13 | 2020-11-13 | 宁波方太厨具有限公司 | Cooking control method, system, electronic device and readable storage medium |
| CN112762488A (en) * | 2019-11-06 | 2021-05-07 | 宁波方太厨具有限公司 | Ignition detection and control method of range hood |
| CN112902260A (en) * | 2021-03-08 | 2021-06-04 | 珠海格力电器股份有限公司 | Range hood and control method thereof |
| CN113864843A (en) * | 2021-10-29 | 2021-12-31 | 深圳创维智能厨电有限公司 | Oil smoke collection chamber hidden type range hood |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009022665A (en) * | 2007-07-23 | 2009-02-05 | Rinnai Corp | Grill |
| JP2012127557A (en) * | 2010-12-14 | 2012-07-05 | Rinnai Corp | Heating cooking device |
| CN104266242A (en) * | 2014-01-13 | 2015-01-07 | 浙江康纳电器有限公司 | Oil fume instantaneous change detection system and detection method |
| CN106196208A (en) * | 2016-07-26 | 2016-12-07 | 广东万家乐燃气具有限公司 | A kind of automatically control the control method of cigarette machine gear, control system and lampblack absorber |
| CN106871201A (en) * | 2017-03-23 | 2017-06-20 | 广东美的厨房电器制造有限公司 | Range hood and its control method and device |
| CN107420953A (en) * | 2017-07-05 | 2017-12-01 | 珠海格力电器股份有限公司 | Range hood control method and control device |
| CN107559921A (en) * | 2017-10-30 | 2018-01-09 | 杭州老板电器股份有限公司 | Smoke exhaust ventilator control method, apparatus and system |
| CN107631338A (en) * | 2017-11-09 | 2018-01-26 | 杭州老板电器股份有限公司 | Lampblack absorber infrared control method, device, Hood Controller and lampblack absorber |
| CN108278651A (en) * | 2018-04-24 | 2018-07-13 | 广东美的厨房电器制造有限公司 | Range hood and its control method and system and open fire detection method and device |
-
2018
- 2018-10-31 CN CN201811292431.4A patent/CN109405014B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009022665A (en) * | 2007-07-23 | 2009-02-05 | Rinnai Corp | Grill |
| JP2012127557A (en) * | 2010-12-14 | 2012-07-05 | Rinnai Corp | Heating cooking device |
| CN104266242A (en) * | 2014-01-13 | 2015-01-07 | 浙江康纳电器有限公司 | Oil fume instantaneous change detection system and detection method |
| CN106196208A (en) * | 2016-07-26 | 2016-12-07 | 广东万家乐燃气具有限公司 | A kind of automatically control the control method of cigarette machine gear, control system and lampblack absorber |
| CN106871201A (en) * | 2017-03-23 | 2017-06-20 | 广东美的厨房电器制造有限公司 | Range hood and its control method and device |
| CN107420953A (en) * | 2017-07-05 | 2017-12-01 | 珠海格力电器股份有限公司 | Range hood control method and control device |
| CN107559921A (en) * | 2017-10-30 | 2018-01-09 | 杭州老板电器股份有限公司 | Smoke exhaust ventilator control method, apparatus and system |
| CN107631338A (en) * | 2017-11-09 | 2018-01-26 | 杭州老板电器股份有限公司 | Lampblack absorber infrared control method, device, Hood Controller and lampblack absorber |
| CN108278651A (en) * | 2018-04-24 | 2018-07-13 | 广东美的厨房电器制造有限公司 | Range hood and its control method and system and open fire detection method and device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945264A (en) * | 2019-03-22 | 2019-06-28 | 宁波奥克斯电气股份有限公司 | A kind of kitchen ventilator control method, device and kitchen ventilator |
| CN112762488A (en) * | 2019-11-06 | 2021-05-07 | 宁波方太厨具有限公司 | Ignition detection and control method of range hood |
| CN112762488B (en) * | 2019-11-06 | 2022-04-19 | 宁波方太厨具有限公司 | Ignition detection and control method of range hood |
| CN111336565A (en) * | 2020-04-09 | 2020-06-26 | 佛山市顺德区美的洗涤电器制造有限公司 | Fire-off detection method and device for cooking equipment, range hood and storage medium |
| CN111336565B (en) * | 2020-04-09 | 2022-04-05 | 佛山市顺德区美的洗涤电器制造有限公司 | Fire-off detection method and device for cooking equipment, range hood and storage medium |
| CN111928308A (en) * | 2020-08-13 | 2020-11-13 | 宁波方太厨具有限公司 | Cooking control method, system, electronic device and readable storage medium |
| CN111928308B (en) * | 2020-08-13 | 2021-06-11 | 宁波方太厨具有限公司 | Cooking control method, system, electronic device and readable storage medium |
| CN112902260A (en) * | 2021-03-08 | 2021-06-04 | 珠海格力电器股份有限公司 | Range hood and control method thereof |
| CN113864843A (en) * | 2021-10-29 | 2021-12-31 | 深圳创维智能厨电有限公司 | Oil smoke collection chamber hidden type range hood |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109405014B (en) | 2020-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109405014A (en) | Kitchen ventilator infrared control method, system and kitchen ventilator | |
| CN108332240B (en) | Gas-cooker and its control method | |
| CN107013951A (en) | A kind of pot and stove device | |
| CN108253463A (en) | Gas-cooker and its control method | |
| US11726068B2 (en) | Steam/hot water device monitoring | |
| CN107327413B (en) | High-reliability oil smoke detection method | |
| CN108302563A (en) | Gas-cooker and its control method | |
| CN204254706U (en) | The smoke exhaust of automatic control | |
| CN110262322A (en) | Cooking mode identification method and system for cooking appliance, cooking appliance and range hood | |
| CN108278639A (en) | Gas-cooker and its control method | |
| CN108344012B (en) | A kind of automatic control method of kitchen ventilator and system | |
| CN110848745A (en) | Gas stove control method and device, gas stove, computer equipment and storage medium | |
| CN108954406A (en) | Dry burning prevention stove and control method thereof | |
| CN108954403A (en) | Dry burning prevention stove and control method thereof | |
| US20180084946A1 (en) | Outdoor cooker and system for detecting and reacting to over-temperature events | |
| CN109375521A (en) | A kind of intelligent control method of fixed infrared measurement of temperature kitchen air purifying equipment | |
| CN113864831B (en) | Temperature control method and device | |
| CN209763160U (en) | gas kitchen ranges | |
| CN109654548B (en) | Gas stove and control method for gas stove | |
| CN113464998B (en) | Automatic control method of air suction equipment and air suction equipment | |
| CN215811327U (en) | Temperature detection device and cooking utensils | |
| EP4016205A1 (en) | Determination of a mode of operation of a boiler | |
| CN110887065A (en) | Information sharing method and system for kitchen range and air quality acquisition module | |
| CN108302562A (en) | Gas-cooker and its control method | |
| CN109974045A (en) | A kind of stove support and method that protection gas kitchen range flame is stable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |