CN108594898A - Oven temperature control method, device and computer readable storage medium - Google Patents
Oven temperature control method, device and computer readable storage medium Download PDFInfo
- Publication number
- CN108594898A CN108594898A CN201810390949.5A CN201810390949A CN108594898A CN 108594898 A CN108594898 A CN 108594898A CN 201810390949 A CN201810390949 A CN 201810390949A CN 108594898 A CN108594898 A CN 108594898A
- Authority
- CN
- China
- Prior art keywords
- deviation
- relay
- oven
- make
- period
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
- H05B1/0227—Applications
- H05B1/0252—Domestic applications
- H05B1/0258—For cooking
- H05B1/0261—For cooking of food
- H05B1/0263—Ovens
Abstract
The invention discloses a kind of oven temperature control methods, including：Detect Current Temperatures inside oven；Calculate the deviation of the Current Temperatures and preset temperature；According to the deviation and preset oven relay on-off time than and deviation mapping relations, calculate the make-and-break time ratio of the relay；The working condition of the relay is controlled according to the make-and-break time ratio.The invention also discloses a kind of oven temperature control device and computer readable storage mediums.The present invention improves the accuracy of oven temperature control.
Description
Technical field
The present invention relates to a kind of oven technology field more particularly to oven temperature control method, device and computer-readable storages
Medium.
Background technology
With the improvement of living standards, oven has been widely used, great convenience is brought to daily life.Mesh
Before, when using oven heat food, compared generally by by measuring temperature and user's set temperature, if measuring temperature
It is then heated less than set temperature, stops heating if measuring temperature is higher than set temperature.Due to utilizing heat-generating pipe to oven
Working region carries out heating and has certain temperature change delay effect, thus actually control obtained oven temperature will appear compared with
Big fluctuation, the accuracy for being susceptible to situation too high or too low for temperature namely oven temperature control be not high.
Invention content
It is a primary object of the present invention to propose a kind of oven temperature control method, device and computer readable storage medium, purport
In the not high technical problem of the accuracy for solving oven temperature control in the prior art.
To achieve the above object, the present invention provides a kind of oven temperature control method, and the oven temperature control method includes following step
Suddenly：
Detect Current Temperatures inside oven；
Calculate the deviation of the Current Temperatures and preset temperature；
According to the deviation and preset oven relay on-off time than and deviation mapping relations, described in calculating
The make-and-break time ratio of relay；
The working condition of the relay is controlled according to the make-and-break time ratio.
Preferably, described according to the Current Temperatures and preset temperature, after the step of calculating the deviation of oven temperature,
Further include：
When the deviation be negative value when, to the relay export power on signal, control the relay be constantly in it is logical
Electricity condition.
Preferably, include the step of Current Temperatures inside the detection oven：
According to preset detection cycle, it is periodically detected Current Temperatures inside oven.
Preferably, it is described according to the deviation and preset oven relay on-off time than and the mapping of deviation close
System, the step of make-and-break time ratio for calculating the relay include：
According in the current period of calculating deviation and the preset oven relay on-off time than and deviation mapping
Relationship calculates make-and-break time ratio of the relay within the next period.
Preferably, the oven temperature control method further includes step：
If current period is the first period, it is determined that make-and-break time ratio of the relay in current period is default logical
Disconnected time ratio.
Preferably, the deviation in the current period according to calculating and preset oven relay on-off time ratio
And the mapping relations of deviation, the step of calculating make-and-break time ratio of the relay within the next period, include：
If the deviation in current period is negative value, it is determined that make-and-break time ratio of the relay within the next period is 1；
If the deviation in current period is positive value and is less than predetermined deviation, it is determined that the relay is within the next period
Make-and-break time ratio is equal to the make-and-break time ratio in current period；
If the deviation in current period is greater than or equal to the predetermined deviation, institute is calculated according to the deviation in current period
State make-and-break time ratio of the relay within the next period.
Preferably, if the deviation in the current period is greater than or equal to the predetermined deviation, according in current period
Deviation the step of calculating make-and-break time ratio of the relay within the next period include：
If the deviation in current period is greater than or equal to the predetermined deviation, using default calculation formula u (k+1)=u
(k)+kp*E(k)-ki*E(k-1)+kd* E (k-2) calculates make-and-break time ratio of the relay within the next period；
Wherein, u (k+1) is make-and-break time ratio of the relay within the next period, and u (k) is that the relay is being worked as
Make-and-break time ratio in the preceding period, E (k) are the deviation in current period, and E (k-1) is the deviation in the last period, and E (k-2) is
Deviation in the upper last period, kp、ki、kdFor predetermined coefficient.
Preferably, include the step of Current Temperatures inside the detection oven：
Using the Current Temperatures in NTC negative temperature coefficient temperature sensors detection oven cavity.
In addition, to achieve the above object, the present invention also proposes a kind of oven temperature control device, the oven temperature control device packet
It includes：Memory, processor and it is stored in the oven temperature program that can be run on the memory and on the processor, it is described
Oven temperature program realizes the step of oven temperature control method as described above when being executed by the processor.
In addition, to achieve the above object, the present invention also proposes a kind of computer readable storage medium, described computer-readable
It is stored with oven temperature program on storage medium, as described above bake is realized when the oven temperature program is executed by processor
The step of temperature control method.
Scheme proposed by the present invention calculates the Current Temperatures and default temperature by detecting the Current Temperatures inside oven
The deviation of degree, and determine according to the deviation make-and-break time ratio of oven relay, it is controlled according to identified make-and-break time ratio
The working condition of relay is adjusted with the output power to heating tube in oven.Compared to directly according to Current Temperatures come
The mode for controlling whether heating is controlled by determining the corresponding make-and-break time ratio of relay according to identified make-and-break time ratio
The working condition of relay improves the accuracy of oven temperature control to carry out computer heating control.
Description of the drawings
Fig. 1 is the oven temperature control device structural schematic diagram for the hardware running environment that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of oven temperature control method first embodiment of the present invention；
Fig. 3 is the temperature rise curve schematic diagram that conventional temperature control method and temperature control method of the present invention is respectively adopted and is heated.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The solution of the embodiment of the present invention is mainly：By detecting the Current Temperatures inside oven, it is current to calculate this
The deviation of temperature and preset temperature, and determine according to the deviation make-and-break time ratio of oven relay, according to identified logical
The working condition of disconnected time ratio control relay, is adjusted with the output power to heating tube in oven.It is real through the invention
The technical solution for applying example solves the problems, such as that the accuracy of oven temperature control is not high.
The embodiment of the present invention proposes a kind of oven temperature control device.
Referring to Fig.1, Fig. 1 is the oven temperature control device structural representation for the hardware running environment that the embodiment of the present invention is related to
Figure.
In subsequent description, using for indicating that the suffix of such as " module ", " component " or " unit " of element is only
The explanation for being conducive to the present invention, itself does not have a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
As shown in Figure 1, the oven temperature control device may include：Processor 1001, communication bus 1002, user interface
1003, network interface 1004, memory 1005.Wherein, communication bus 1002 is for realizing the connection communication between these components.
User interface 1003 may include display screen (Display), input unit such as keyboard (Keyboard), optional user interface
1003 can also include standard wireline interface and wireless interface.Network interface 1004 may include optionally that the wired of standard connects
Mouth, wireless interface (such as WI-FI interfaces).Memory 1005 can be high-speed RAM memory, can also be stable memory
(non-volatile memory), such as magnetic disk storage.Memory 1005 optionally can also be independently of aforementioned processor
1001 storage device.
It will be understood by those skilled in the art that oven temperature control device structure shown in Fig. 1 is not constituted to oven temperature control
The restriction of device may include either combining certain components or different component cloth than illustrating more or fewer components
It sets.
As shown in Figure 1, as may include that operating system, network are logical in a kind of memory 1005 of computer storage media
Believe module and oven temperature program.
In the present invention, the oven temperature control device calls the oven temperature control stored in memory 1005 by processor 1001
Program, and execute following operation：
Detect Current Temperatures inside oven；
Calculate the deviation of the Current Temperatures and preset temperature；
According to the deviation and preset oven relay on-off time than and deviation mapping relations, described in calculating
The make-and-break time ratio of relay；
The working condition of the relay is controlled according to the make-and-break time ratio.
Further, processor 1001 can call the oven temperature program stored in memory 1005, also execute following
Operation：
When the deviation be negative value when, to the relay export power on signal, control the relay be constantly in it is logical
Electricity condition.
Further, processor 1001 can call the oven temperature program stored in memory 1005, also execute following
Operation：
According to preset detection cycle, it is periodically detected Current Temperatures inside oven.
Further, processor 1001 can call the oven temperature program stored in memory 1005, also execute following
Operation：
According in the current period of calculating deviation and the preset oven relay on-off time than and deviation mapping
Relationship calculates make-and-break time ratio of the relay within the next period.
Further, processor 1001 can call the oven temperature program stored in memory 1005, also execute following
Operation：
If current period is the first period, it is determined that make-and-break time ratio of the relay in current period is default logical
Disconnected time ratio.
Further, processor 1001 can call the oven temperature program stored in memory 1005, also execute following
Operation：
If the deviation in current period is negative value, it is determined that make-and-break time ratio of the relay within the next period is 1；
If the deviation in current period is positive value and is less than predetermined deviation, it is determined that the relay is within the next period
Make-and-break time ratio is equal to the make-and-break time ratio in current period；
If the deviation in current period is greater than or equal to the predetermined deviation, institute is calculated according to the deviation in current period
State make-and-break time ratio of the relay within the next period.
Further, processor 1001 can call the oven temperature program stored in memory 1005, also execute following
Operation：
If the deviation in current period is greater than or equal to the predetermined deviation, using default calculation formula u (k+1)=u
(k)+kp*E(k)-ki*E(k-1)+kd* E (k-2) calculates make-and-break time ratio of the relay within the next period；
Wherein, u (k+1) is make-and-break time ratio of the relay within the next period, and u (k) is that the relay is being worked as
Make-and-break time ratio in the preceding period, E (k) are the deviation in current period, and E (k-1) is the deviation in the last period, and E (k-2) is
Deviation in the upper last period, kp、ki、kdFor predetermined coefficient.
Further, processor 1001 can call the oven temperature program stored in memory 1005, also execute following
Operation：
Using the Current Temperatures in NTC negative temperature coefficient temperature sensors detection oven cavity.
The present embodiment through the above scheme, by detecting the Current Temperatures inside oven, calculate the Current Temperatures with it is pre-
If the deviation of temperature, and determine according to the deviation make-and-break time ratio of oven relay, according to identified make-and-break time ratio
The working condition for controlling relay, is adjusted with the output power to heating tube in oven.It is currently warm compared to direct basis
It spends to control whether the mode of heating, by determining the corresponding make-and-break time ratio of relay, according to identified make-and-break time ratio
The working condition of control relay improves the accuracy of oven temperature control to carry out computer heating control.
Based on above-mentioned hardware configuration, oven temperature control method embodiment of the present invention is proposed.
It is the flow diagram of oven temperature control method first embodiment of the present invention with reference to Fig. 2, Fig. 2.
In the first embodiment, the oven temperature control method includes the following steps：
Step S10, detection oven inside Current Temperatures；
Step S20 calculates the deviation of the Current Temperatures and preset temperature；
Step S30, according to the deviation and preset oven relay on-off time than and deviation mapping relations,
Calculate the make-and-break time ratio of the relay；
Step S40 controls the working condition of the relay according to the make-and-break time ratio.
Currently, when using oven heat food, compared generally by by measuring temperature and user's set temperature,
If measuring temperature less than being heated if set temperature, if measuring temperature stops heating higher than set temperature.Due to utilizing hair
Heat pipe carries out heating to oven working region and has certain temperature change delay effect, therefore actually controls obtained oven temperature
Degree will appear larger fluctuation, is susceptible to situation too high or too low for temperature, causes food mouthfeel not good enough.
In order to improve the accuracy of oven temperature control, the mouthfeel of the food of oven heat is promoted, the present invention proposes a kind of oven
Temperature control method is applied to oven temperature control device.The oven temperature control device can be independently of the device of oven, can also be set to
In oven.
In the present embodiment, when user carries out heat foods using oven, user is arranged interface according to oven and needs is arranged
The temperature reached, namely setting preset temperature Taim.During heating food, oven is detected roasting by oven temperature control device
Current Temperatures T inside casenow.Optionally, be provided in oven NTC (Negative Temperature Coefficient,
Negative temperature coefficient) temperature sensor, the Current Temperatures T in oven cavity is detected by the NTC temperature sensorsnow。
Obtaining Current Temperatures TnowLater, according to Current Temperatures TnowAnd preset temperature Taim, calculate Current Temperatures
TnowWith preset temperature TaimBetween deviation E (t)=Tnow-Taim。
In the present embodiment, the mapping being previously provided between deviation E (t) and oven relay on-off time ratio u (t) is closed
System.For example, pre-setting when deviation E (t) is less than zero, oven relay leads to section time ratio u (t) and corresponds to 1, namely works as oven
Current Temperatures T in cavitynowAlso it is not up to preset temperature TaimWhen, it is 1 namely relay to determine that relay leads to section time ratio u (t)
Device does not power off.When deviation E (t) be greater than or equal to zero when, according to calculation formula u (t)=u (t-1)+△ u (t) come calculate oven after
The current logical section time ratio u (t) of electric appliance, wherein the make-and-break time ratio that u (t-1) is one second on oven relay, △ u (t) are roasting
Case relay lead to the section time than difference, can according to deviation E (t) calculate obtain, in its specific calculation the present embodiment
It is not restricted.After the make-and-break time ratio u (t) for calculating oven relay, according to the make-and-break time ratio u (t) to oven
The make-and-break time ratio of relay is adjusted, and controls the working condition of relay, to control the output power of oven heat pipe, from
And reach the required preference temperature of heat foods.
Optionally, when the deviation E (t) of calculating is negative value, namely as the Current Temperatures T in oven cavitynowIt is not up to pre-
If temperature TaimWhen, power on signal is exported to relay, control relay is constantly in energized state, namely control oven heat
Pipe heats always, and roasting the temperature inside the box is constantly in propradation, until when deviation E (t) is positive value.When the deviation E (t) of calculating is
When positive value, the current logical section time ratio u (t) of oven relay is calculated, the work of relay is controlled according to the make-and-break time ratio u (t)
Make state, be adjusted with the output power to heating tube in oven, reaches the required preference temperature of heat foods.
Scheme provided in this embodiment calculates the Current Temperatures and presets by detecting the Current Temperatures inside oven
The deviation of temperature, and determine according to the deviation make-and-break time ratio of oven relay, according to identified make-and-break time ratio control
The working condition of relay processed is adjusted with the output power to heating tube in oven.Compared to directly according to Current Temperatures
Come control whether heating mode, by determine relay corresponding make-and-break time ratio, according to identified make-and-break time ratio control
The working condition of relay processed improves the accuracy of oven temperature control to carry out computer heating control.
Further, it is based on first embodiment and proposes oven temperature control method second embodiment of the present invention, in the present embodiment,
The step S10 includes：
Step a is periodically detected Current Temperatures inside oven according to preset detection cycle；
The step S30 includes：
Step b, according to the deviation and preset oven relay on-off time ratio and deviation in the current period of calculating
Mapping relations, calculate make-and-break time ratio of the relay within the next period.
In order to further increase the accuracy of oven temperature control, in the present embodiment, to the make-and-break time ratio of oven relay into
Row periodic adjustment.Specifically, corresponding detection cycle T is pre-set, such as it is 1 second to pre-set detection cycle T.This field
Technical staff is not done and is had it is understood that the specific duration of detection cycle T can be flexibly arranged according to actual conditions
Body limits.
During carrying out oven heat, according to detection cycle T, periodically in each detection cycle, detection is roasting
Current Temperatures T inside casenow.Obtaining the Current Temperatures T detected in current periodnowLater, according to Current Temperatures TnowWith
And preset temperature Taim, calculate Current Temperatures TnowWith preset temperature TaimBetween deviation E (k)=Tnow-Taim, wherein k=
1,2,3 ..., indicate to be currently k-th of detection cycle.
Calculating Current Temperatures T in current periodnowWith preset temperature TaimBetween deviation E (k) after, according to current
Deviation E (k) and preset oven relay on-off time in period than and deviation mapping relations, calculate relay
Make-and-break time ratio u (k+1) within the next period.
Optionally, the oven temperature control method further includes：
Step c, if current period is the first period, it is determined that make-and-break time ratio of the relay in current period be
Default make-and-break time ratio.
Optionally, a default make-and-break time ratio is also pre-set, during carrying out oven heat, when detection cycle is
When the first period, determine that make-and-break time ratio of the relay in current period is default make-and-break time ratio, namely determine relay
Make-and-break time ratio within the first period is default make-and-break time ratio.For detection cycle later, then according to aforesaid operations, base
In in current period deviation E (k) and the preset oven relay on-off time than and deviation mapping relations, calculate
Make-and-break time ratio u (k+1) of the relay within the next period.
After determining make-and-break time ratio of the relay in each detection cycle by aforesaid operations mode, according to really
Fixed make-and-break time ratio, working condition of the control relay in each detection cycle, with the output work to heating tube in oven
Rate carries out periodic adjustment, reaches the required preference temperature of heat foods.
Scheme provided in this embodiment, by according to preset detection cycle, being periodically detected Current Temperatures inside oven,
According to the Current Temperatures in detected each period, the inclined of Current Temperatures within each period and preset temperature is calculated
Difference, and make-and-break time ratio of the oven relay within each period is determined according to the deviation of calculating, according to identified break-make
Working condition of the time ratio control relay in each detection cycle, to carry out the period to the output power of heating tube in oven
Property adjust, to further improve the accuracy of oven temperature control.
Further, it is based on second embodiment and proposes oven temperature control method 3rd embodiment of the present invention, in the present embodiment,
The step b includes：
Step b1, if deviation in current period is negative value, it is determined that when break-make of the relay within the next period
Between than be 1；
Step b2, if the deviation in current period is positive value and is less than predetermined deviation, it is determined that the relay is next
Make-and-break time ratio in period is equal to the make-and-break time ratio in current period；
Step b3, if the deviation in current period is greater than or equal to the predetermined deviation, according to inclined in current period
Difference calculates make-and-break time ratio of the relay within the next period.
In the present embodiment, corresponding predetermined deviation is pre-set, the concrete numerical value of the predetermined deviation can be according to actual conditions
Flexibly it is arranged, and is not particularly limited.In this embodiment, Current Temperatures T in current period is calculatednowWith it is default
Temperature TaimBetween deviation E (k) after, the deviation E (k) in current period is compared with predetermined deviation, both is judged
Size.
If the deviation E (k) in current period, which is the deviation E (k) in negative value namely current period, is less than zero, illustrate current
Current Temperatures T in periodnowLess than preset temperature Taim, at this time, it may be necessary to carry out heating operation, in order to improve heating speed, really
It is 1 to determine make-and-break time ratio of the relay within the next period, namely control relay is constantly in energization shape within the next period
State, oven are constantly in heated condition within the next period.
If the deviation E (k) in current period is for positive value and big less than the deviation E (k) in predetermined deviation namely current period
In or equal to zero and be less than predetermined deviation, illustrate the Current Temperatures T in current periodnowSlightly more than preset temperature Taim, at this point,
Determine the make-and-break time ratio that make-and-break time ratio of the relay within the next period is equal in current period, namely within the next period
Maintain the working condition of relay constant, to control oven temperature dynamic stability in preset temperature Taim。
If the deviation E (k) in current period is greater than or equal to predetermined deviation, namely illustrates the Current Temperatures in current period
TnowWith preset temperature TaimTemperature deviation it is larger, at this point, according to the deviation E (k) in current period, calculate relay next
Make-and-break time ratio u (k+1) in period, is adjusted make-and-break time ratio of the relay within the next period.
Optionally, the step b3 includes：If the deviation in current period is greater than or equal to the predetermined deviation, use
Default calculation formula u (k+1)=u (k)+kp*E(k)-ki*E(k-1)+kd* E (k-2) calculates the relay in the next period
Interior make-and-break time ratio；
Wherein, u (k+1) is make-and-break time ratio of the relay within the next period, and u (k) is that the relay is being worked as
Make-and-break time ratio in the preceding period, E (k) are the deviation in current period, and E (k-1) is the deviation in the last period, and E (k-2) is
Deviation in the upper last period, kp、ki、kdFor predetermined coefficient.
If the deviation E (k) in current period is greater than or equal to predetermined deviation, namely illustrates the Current Temperatures in current period
TnowWith preset temperature TaimTemperature deviation it is larger, exist at this point, optionally calculating relay according to following default calculation formula
Make-and-break time ratio in the next period：
U (k+1)=u (k)+kp*E(k)-ki*E(k-1)+kd*E(k-2)；
Wherein, u (k+1) is the make-and-break time ratio of relay to be calculated within the next period, and u (k) is that relay is being worked as
Make-and-break time ratio in the preceding period, E (k) are the deviation in current period, and E (k-1) is the deviation in the last period, and E (k-2) is
Deviation in the upper last period, kp、ki、kdRespectively E (k), E (k-1), the corresponding predetermined coefficients of E (k-2), concrete numerical value
Flexibly it is arranged according to actual conditions, is not restricted in the present embodiment.
By using default calculation formula u (k+1)=u (k)+kp*E(k)-ki*E(k-1)+kd* E (k-2) calculates relay
After make-and-break time ratio u (k+1) of the device within the next period, according to make-and-break time ratio u (k+1), control relay is next
Working condition in period, to realize control oven temperature dynamic stability in preset temperature Taim。
With initial Current Temperatures TnowIt is 27 DEG C, preset temperature TaimFor 90 DEG C, conventional temperature control method is respectively adopted
Oven heat experiment is carried out with temperature control method of the present invention, the temperature performance index in heating process is recorded, obtains Wen Sheng
Curve as shown in figure 3, and temperature performance comparativeanalysis table it is as shown in table 1.
Table 1
By table 1 it is found that comparison and traditional oven temperature control method, using oven temperature control method of the present invention, realize pair
The fast temperature control of oven temperature can more be adjusted oven temperature to fast accurate.
Scheme provided in this embodiment determines different deviations according to the concrete condition of the deviation in current period
Relay corresponding different make-and-break time ratio within the next period, and relay is controlled according to identified make-and-break time ratio and is existed
The working condition in next period, to carry out periodic adjustment to the output power of heating tube in oven, to further improve
The accuracy of oven temperature control.
In addition, the embodiment of the present invention also proposes a kind of computer readable storage medium, the computer readable storage medium
On be stored with oven temperature program, following operation is realized when the oven temperature program is executed by processor：
Detect Current Temperatures inside oven；
Calculate the deviation of the Current Temperatures and preset temperature；
According to the deviation and preset oven relay on-off time than and deviation mapping relations, described in calculating
The make-and-break time ratio of relay；
The working condition of the relay is controlled according to the make-and-break time ratio.
Further, following operation is also realized when the oven temperature program is executed by processor：
When the deviation be negative value when, to the relay export power on signal, control the relay be constantly in it is logical
Electricity condition.
Further, following operation is also realized when the oven temperature program is executed by processor：
According to preset detection cycle, it is periodically detected Current Temperatures inside oven.
Further, following operation is also realized when the oven temperature program is executed by processor：
According in the current period of calculating deviation and the preset oven relay on-off time than and deviation mapping
Relationship calculates make-and-break time ratio of the relay within the next period.
Further, following operation is also realized when the oven temperature program is executed by processor：
If current period is the first period, it is determined that make-and-break time ratio of the relay in current period is default logical
Disconnected time ratio.
Further, following operation is also realized when the oven temperature program is executed by processor：
If the deviation in current period is negative value, it is determined that make-and-break time ratio of the relay within the next period is 1；
If the deviation in current period is positive value and is less than predetermined deviation, it is determined that the relay is within the next period
Make-and-break time ratio is equal to the make-and-break time ratio in current period；
If the deviation in current period is greater than or equal to the predetermined deviation, institute is calculated according to the deviation in current period
State make-and-break time ratio of the relay within the next period.
Further, following operation is also realized when the oven temperature program is executed by processor：
If the deviation in current period is greater than or equal to the predetermined deviation, using default calculation formula u (k+1)=u
(k)+kp*E(k)-ki*E(k-1)+kd* E (k-2) calculates make-and-break time ratio of the relay within the next period；
Wherein, u (k+1) is make-and-break time ratio of the relay within the next period, and u (k) is that the relay is being worked as
Make-and-break time ratio in the preceding period, E (k) are the deviation in current period, and E (k-1) is the deviation in the last period, and E (k-2) is
Deviation in the upper last period, kp、ki、kdFor predetermined coefficient.
Further, following operation is also realized when the oven temperature program is executed by processor：
Using the Current Temperatures in NTC negative temperature coefficient temperature sensors detection oven cavity.
Scheme provided in this embodiment calculates the Current Temperatures and presets by detecting the Current Temperatures inside oven
The deviation of temperature, and determine according to the deviation make-and-break time ratio of oven relay, according to identified make-and-break time ratio control
The working condition of relay processed is adjusted with the output power to heating tube in oven.Compared to directly according to Current Temperatures
Come control whether heating mode, by determine relay corresponding make-and-break time ratio, according to identified make-and-break time ratio control
The working condition of relay processed improves the accuracy of oven temperature control to carry out computer heating control.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that process, method, article or system including a series of elements include not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including this
There is also other identical elements in the process of element, method, article or system.
The embodiments of the present invention are for illustration only, can not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical scheme of the present invention substantially in other words does the prior art
Going out the part of contribution can be expressed in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions use so that a station terminal equipment (can be mobile phone,
Computer, server or network equipment etc.) execute method described in each embodiment of the present invention.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of oven temperature control method, which is characterized in that the oven temperature control method includes the following steps：
Detect Current Temperatures inside oven；
Calculate the deviation of the Current Temperatures and preset temperature；
According to the deviation and preset oven relay on-off time than and deviation mapping relations, calculate the relay
The make-and-break time ratio of device；
The working condition of the relay is controlled according to the make-and-break time ratio.
2. oven temperature control method according to claim 1, which is characterized in that described according to the Current Temperatures and default
Temperature further includes after the step of calculating the deviation of oven temperature：
When the deviation is negative value, power on signal is exported to the relay, the relay is controlled and is constantly in energization shape
State.
3. oven temperature control method according to claim 1, which is characterized in that the step of Current Temperatures inside the detection oven
Suddenly include：
According to preset detection cycle, it is periodically detected Current Temperatures inside oven.
4. oven temperature control method according to claim 3, which is characterized in that described according to the deviation and preset
The oven relay on-off time than and deviation mapping relations, the step of make-and-break time ratio for calculating the relay includes：
According in the current period of calculating deviation and the preset oven relay on-off time than and deviation mapping close
System, calculates make-and-break time ratio of the relay within the next period.
5. oven temperature control method according to claim 4, which is characterized in that the oven temperature control method further includes step：
If current period is the first period, it is determined that when make-and-break time ratio of the relay in current period is default break-make
Between compare.
6. oven temperature control method according to claim 4, which is characterized in that inclined in the current period according to calculating
Difference and preset oven relay on-off time than and deviation mapping relations, calculate the relay within the next period
Make-and-break time ratio the step of include：
If the deviation in current period is negative value, it is determined that make-and-break time ratio of the relay within the next period is 1；
If the deviation in current period is positive value and is less than predetermined deviation, it is determined that break-make of the relay within the next period
Time is than equal to the make-and-break time ratio in current period；
If deviation in current period is greater than or equal to the predetermined deviation, according to the deviation in current period calculate it is described after
Make-and-break time ratio of the electric appliance within the next period.
7. oven temperature control method according to claim 6, which is characterized in that if the deviation in the current period be more than or
Equal to the predetermined deviation, then make-and-break time ratio of the relay within the next period is calculated according to the deviation in current period
The step of include：
If deviation in current period is greater than or equal to the predetermined deviation, using preset calculation formula u (k+1)=u (k)+
kp*E(k)-ki*E(k-1)+kd* E (k-2) calculates make-and-break time ratio of the relay within the next period；
Wherein, u (k+1) is make-and-break time ratio of the relay within the next period, and u (k) is the relay in current week
Make-and-break time ratio in phase, E (k) are the deviation in current period, and E (k-1) is the deviation in the last period, and E (k-2) is upper
Deviation in a period, kp、ki、kdFor predetermined coefficient.
8. according to claim 1-7 any one of them oven temperature control methods, which is characterized in that current inside the detection oven
The step of temperature includes：
Using the Current Temperatures in NTC negative temperature coefficient temperature sensors detection oven cavity.
9. a kind of oven temperature control device, which is characterized in that the oven temperature control device includes：It memory, processor and is stored in
On the memory and the oven temperature program that can run on the processor, the oven temperature program is by the processor
It is realized such as the step of claim 1-8 any one of them oven temperature control methods when execution.
10. a kind of computer readable storage medium, which is characterized in that be stored with oven temperature on the computer readable storage medium
Program is controlled, such as claim 1-8 any one of them ovens temperature control side is realized when the oven temperature program is executed by processor
The step of method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390949.5A CN108594898B (en) | 2018-04-26 | 2018-04-26 | Oven temperature control method and device and computer readable storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810390949.5A CN108594898B (en) | 2018-04-26 | 2018-04-26 | Oven temperature control method and device and computer readable storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108594898A true CN108594898A (en) | 2018-09-28 |
| CN108594898B CN108594898B (en) | 2021-07-23 |
Family
ID=63610545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810390949.5A Active CN108594898B (en) | 2018-04-26 | 2018-04-26 | Oven temperature control method and device and computer readable storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108594898B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658865A (en) * | 2019-09-30 | 2020-01-07 | 杭州师范大学钱江学院 | Temperature control method based on inertial model |
| CN112773212A (en) * | 2020-12-29 | 2021-05-11 | 深圳拓邦股份有限公司 | Oven temperature control method and device, oven and storage medium |
| CN114637231A (en) * | 2020-12-16 | 2022-06-17 | 广东美的厨房电器制造有限公司 | Cooking device, control method thereof and computer readable storage medium |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1593314A (en) * | 2003-09-09 | 2005-03-16 | 三星电子株式会社 | Electric cooking apparatus and method of controlling heaters thereof |
| CN102665495A (en) * | 2009-09-08 | 2012-09-12 | M·R·伊德斯 | Sous- vide cooker |
| US20130008883A1 (en) * | 2011-07-08 | 2013-01-10 | Nihon Dempa Kogyo Co., Ltd. | Temperature control circuit of oven-controlled crystal oscillator |
| CN103017217A (en) * | 2012-12-21 | 2013-04-03 | 敦泰科技有限公司 | Micro-wave oven control method, control equipment and micro-wave oven |
| CN103528361A (en) * | 2013-10-28 | 2014-01-22 | 天津工业大学 | Intelligent drying oven capable of monitoring weight in real time |
| CN203465612U (en) * | 2013-08-01 | 2014-03-05 | 无锡邑文电子科技有限公司 | Temperature control system of hardening oven |
| CN104266239A (en) * | 2014-10-20 | 2015-01-07 | 广东美的厨房电器制造有限公司 | Control method and system of microwave oven |
| CN204318386U (en) * | 2014-12-19 | 2015-05-13 | 佛山市顺德区美的电热电器制造有限公司 | Novel cooking utensil |
| CN104825052A (en) * | 2014-08-20 | 2015-08-12 | 江丽 | Temperature-adjustable intelligent heater and control method therefor |
| CN105231858A (en) * | 2015-10-27 | 2016-01-13 | 珠海格力电器股份有限公司 | Control method of temperature field for electric oven and electric oven |
| CN205068194U (en) * | 2015-10-15 | 2016-03-02 | 佛山市顺德区美的电热电器制造有限公司 | Temperature control system and juice extractor |
| CN106765000A (en) * | 2017-01-18 | 2017-05-31 | 广东美的厨房电器制造有限公司 | Electric heating equipment |
| CN107559902A (en) * | 2017-08-28 | 2018-01-09 | 广东美的厨房电器制造有限公司 | Temprature control method and heat cooking apparatus |
| CN107638090A (en) * | 2016-07-21 | 2018-01-30 | 佛山市顺德区美的电热电器制造有限公司 | Baking machine and its method for heating and controlling |
-
2018
- 2018-04-26 CN CN201810390949.5A patent/CN108594898B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1593314A (en) * | 2003-09-09 | 2005-03-16 | 三星电子株式会社 | Electric cooking apparatus and method of controlling heaters thereof |
| CN102665495A (en) * | 2009-09-08 | 2012-09-12 | M·R·伊德斯 | Sous- vide cooker |
| US20130008883A1 (en) * | 2011-07-08 | 2013-01-10 | Nihon Dempa Kogyo Co., Ltd. | Temperature control circuit of oven-controlled crystal oscillator |
| CN103017217A (en) * | 2012-12-21 | 2013-04-03 | 敦泰科技有限公司 | Micro-wave oven control method, control equipment and micro-wave oven |
| CN203465612U (en) * | 2013-08-01 | 2014-03-05 | 无锡邑文电子科技有限公司 | Temperature control system of hardening oven |
| CN103528361A (en) * | 2013-10-28 | 2014-01-22 | 天津工业大学 | Intelligent drying oven capable of monitoring weight in real time |
| CN104825052A (en) * | 2014-08-20 | 2015-08-12 | 江丽 | Temperature-adjustable intelligent heater and control method therefor |
| CN104266239A (en) * | 2014-10-20 | 2015-01-07 | 广东美的厨房电器制造有限公司 | Control method and system of microwave oven |
| CN204318386U (en) * | 2014-12-19 | 2015-05-13 | 佛山市顺德区美的电热电器制造有限公司 | Novel cooking utensil |
| CN205068194U (en) * | 2015-10-15 | 2016-03-02 | 佛山市顺德区美的电热电器制造有限公司 | Temperature control system and juice extractor |
| CN105231858A (en) * | 2015-10-27 | 2016-01-13 | 珠海格力电器股份有限公司 | Control method of temperature field for electric oven and electric oven |
| CN107638090A (en) * | 2016-07-21 | 2018-01-30 | 佛山市顺德区美的电热电器制造有限公司 | Baking machine and its method for heating and controlling |
| CN106765000A (en) * | 2017-01-18 | 2017-05-31 | 广东美的厨房电器制造有限公司 | Electric heating equipment |
| CN107559902A (en) * | 2017-08-28 | 2018-01-09 | 广东美的厨房电器制造有限公司 | Temprature control method and heat cooking apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 余瑾: ""基于DS18B20 测温的单片机温度控制系统"", 《单片机开发与应用》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110658865A (en) * | 2019-09-30 | 2020-01-07 | 杭州师范大学钱江学院 | Temperature control method based on inertial model |
| CN114637231A (en) * | 2020-12-16 | 2022-06-17 | 广东美的厨房电器制造有限公司 | Cooking device, control method thereof and computer readable storage medium |
| CN112773212A (en) * | 2020-12-29 | 2021-05-11 | 深圳拓邦股份有限公司 | Oven temperature control method and device, oven and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108594898B (en) | 2021-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106843312B (en) | A kind of temprature control method and device | |
| US9857082B2 (en) | Cooking oven | |
| CN108420320A (en) | Oven temperature control method, device and computer readable storage medium | |
| CN108594898A (en) | Oven temperature control method, device and computer readable storage medium | |
| CN108180607A (en) | Calm sensing control method, apparatus and readable storage medium storing program for executing, air conditioner | |
| CN105411416A (en) | Power-based electric oven control method and control device and electric oven | |
| CN103279155B (en) | Temperature control system | |
| CN110119168A (en) | Temprature control method, cooking apparatus and the computer storage medium of cooking apparatus | |
| CN108742174A (en) | Oven temperature control method, device and computer readable storage medium | |
| CN105928516A (en) | Inertial measurement unit and heating device thereof, and inertial measurement system | |
| CN105320013A (en) | Cooking control method and cooking control system of electric cooker | |
| CN108917117A (en) | Air-conditioning and its control method, device | |
| CN108278651A (en) | Range hood and its control method and system and open fire detection method and device | |
| CN104421999B (en) | A kind of accumulation of heat heating system temperature control method and device | |
| CN109691900B (en) | Cooking control method and device, frying and baking machine and storage medium | |
| CN104266239A (en) | Control method and system of microwave oven | |
| CN107368128A (en) | A kind of method and system for adjusting thermal field temperature | |
| CN108670053A (en) | Oven temperature control algorithm development approach, device and computer readable storage medium | |
| CN108241393A (en) | Control system, control method and the household electrical appliance of radio temperature sensor | |
| CN113099557A (en) | Electric heating equipment, temperature control method and device | |
| CN114711638A (en) | Control method and device of baking equipment, baking equipment and storage medium | |
| CN104566622B (en) | The one key intelligence control system and its control method of heating equipment | |
| KR101209599B1 (en) | Method for Over Heat Control of Gas Oven | |
| CN112904910A (en) | Oven control system and temperature control method thereof | |
| CN111567829A (en) | Coffee bean roasting system and implementation method thereof |
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 |