CN109654550A - Gas-cooker and control method for gas-cooker - Google Patents
Gas-cooker and control method for gas-cooker Download PDFInfo
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- CN109654550A CN109654550A CN201910105887.3A CN201910105887A CN109654550A CN 109654550 A CN109654550 A CN 109654550A CN 201910105887 A CN201910105887 A CN 201910105887A CN 109654550 A CN109654550 A CN 109654550A
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- 238000000034 method Methods 0.000 title claims abstract description 79
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims description 27
- 239000002737 fuel gas Substances 0.000 claims description 25
- 230000001681 protective effect Effects 0.000 claims description 23
- 239000000567 combustion gas Substances 0.000 claims description 22
- 238000010304 firing Methods 0.000 claims description 15
- 230000007423 decrease Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 5
- 235000012054 meals Nutrition 0.000 claims 1
- 238000010411 cooking Methods 0.000 abstract description 77
- 230000008569 process Effects 0.000 abstract description 28
- 238000010586 diagram Methods 0.000 description 18
- 230000004224 protection Effects 0.000 description 12
- 230000008859 change Effects 0.000 description 11
- 238000002485 combustion reaction Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 238000004891 communication Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 235000012149 noodles Nutrition 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 235000014347 soups Nutrition 0.000 description 2
- 235000013547 stew Nutrition 0.000 description 2
- 238000009841 combustion method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
Abstract
The invention discloses a kind of gas-cooker and for the control method of gas-cooker, belong to field of home appliance technology.Control method for gas-cooker includes: the temperature of the cooker on the detection gas-cooker；Determine the variation of the temperature of the cooker in setting time；Determining the cooker according to the variation of the temperature of the cooker in the setting time, whether initial temperature is excessively high.Control method for gas-cooker of the invention, judging cooker according to the variation of the temperature of cooker, whether initial temperature is excessively high, avoids initial temperature is excessively high from causing to judge by accident to cooking process, improves the accuracy of intelligence and the operation of automatic cooking.
Description
Technical field
The present invention relates to kitchen range technical fields, in particular to gas-cooker and the control method for gas-cooker.
Background technique
Gas-cooker is cooking appliance important in Modern Family kitchen, and traditional gas-cooker passes through the mechanical structures controls such as knob
The aperture of flow valve processed is to adjust the size of firepower.For intelligent stove, due to increasing the perception of cooking bottom temperature sensor
The cooking bottom temperature moment phase that cooking bottom temperature in cooking process, alarm decision and cooking process are perceived with cooking bottom temperature sensor
It closes, and cooking bottom temperature might not be when each cooking process starts always close to room temperature, it is understood that there may be the higher feelings of initial temperature
Condition.When the bottom of a pan initial temperature is higher, biggish interference can be caused to culinary art process and alarm and protection determining program, easily cause and accidentally protect
The culinary art process of shield movement or mistake jumps, and causes the faulty operation of automatic cooking process.
Summary of the invention
The embodiment of the invention provides a kind of gas-cooker and for the control method of gas-cooker, according to the change of the temperature of cooker
Change judge cooker whether initial temperature is excessively high, avoids initial temperature is excessively high from causing to judge by accident to cooking process, improve the intelligence of automatic cooking with
Accuracy.In order to which some aspects of the embodiment to disclosure have a basic understanding, simple summary is shown below.This is general
Including part is not extensive overview, nor to determine key/critical component or describe the protection scope of these embodiments.Its
Sole purpose is that some concepts are presented with simple form, in this, as the preamble of following detailed description.
According to a first aspect of the embodiments of the present invention, a kind of control method for gas-cooker is provided, comprising: detection institute
State the temperature of the cooker on gas-cooker；Determine the variation of the temperature of the cooker in setting time；According in the setting time
The variation of the temperature of the cooker determines the cooker, and whether initial temperature is excessively high.
Optionally, wherein the variation of the temperature according to the cooker, which determines the cooker whether initial temperature is excessively high, includes:
When the temperature of cooker described in setting time is to rise by decline variation, determine that the initial temperature of the cooker is excessively high.
Optionally, wherein the variation of the temperature of the cooker includes: to two continuously detected in the determining setting time
The temperature computation average value of a or more than two cookers；Determine two or more cookers in the setting time
The variable gradient of temperature averages.
Optionally, before the temperature for detecting the cooker on the gas-cooker；Further include: detect whether the cooker is placed in
On the gas-cooker；And the flame temperature of the gas-cooker is detected, whether firing mode is in the determination gas-cooker；
Wherein, when the cooker is placed on the gas-cooker, and the gas-cooker is in firing mode, when controlling according to the setting
Between carry out timing.
Optionally, further includes: setting direction variable, to indicate the variable gradient；Wherein, when the variable gradient is upper
When rising, the direction variable is positive；When the variable gradient is decline, the direction variable is negative；When the variable gradient
When constant, the direction variable is zero.
Optionally, further includes: when determining the cooker is that initial temperature is excessively high, control protective unit is locked in shape of being failure to actuate
State.
According to a second aspect of the embodiments of the present invention, a kind of gas-cooker is provided, comprising: igniter, burner and combustion
Air pipe, the fuel gas pipeline are connect with the burner, further includes: the first detection device, for detecting the gas-cooker
Cooker temperature；And control device, for determining the variation of the temperature of the cooker in setting time；It is set according to described
The variation of temperature of the interior cooker of fixing time determines the cooker whether initial temperature is excessively high.
Optionally, wherein the control device according to the variation of the temperature of the cooker determine the cooker whether initial temperature
Excessively high includes: to determine that the initial temperature of the cooker is excessively high when the temperature of cooker described in setting time is to rise by decline variation.
Optionally, wherein the control device determines that the variation of the temperature of the cooker in setting time includes: to described
The temperature computation average value for two or more cookers that first detection device continuously detects；And it is set described in determining
The variable gradient of the temperature averages of two or more cookers in fixing time.
Optionally, further includes: second detection device, for detecting whether the cooker is placed in the gas-cooker；And
Whether third detection device is in firing mode with the determination gas-cooker for detecting the flame temperature of the gas-cooker；Its
In, when the cooker is placed on the gas-cooker, and the gas-cooker is in firing mode, control device control according to
The setting time carries out timing.
Optionally, further includes: flow control system is coupled with the fuel gas pipeline, flows through the fuel gas conduit for adjusting
The flow of the combustion gas on road, comprising: flow valve is arranged on the fuel gas pipeline；Driving mechanism is coupled with the flow valve
Connection, the driving mechanism adjust the aperture of the flow valve when running；And protective device, for controlling the combustion gas
Pipeline opens or closes, or flame-out for controlling the igniter；Wherein, the control device is also used to: when determining
State cooker initial temperature it is excessively high when, control the protective device be in locking non-action state.
Optionally, wherein the control device is also used to: when the state for determining the cooker is changed by initial temperature is excessively high
Become, controls the protective device unlock and enter normal operating conditions.
The control method for gas-cooker of embodiment of the present invention, judges whether according to the situation of change of the temperature of cooker
It is excessively high for initial temperature, to provide correct reference data and input information for automatic cooking process, improve the accuracy of automatic cooking
And intelligence.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
It can the limitation present invention.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Fig. 1 is a kind of structural schematic diagram of gas-cooker shown according to an exemplary embodiment；
Fig. 2 is a kind of structural schematic diagram of the gas-cooker shown according to another exemplary embodiment；
Fig. 2A is a kind of data structure schematic diagram of gas-cooker shown according to an exemplary embodiment；
Fig. 3 A is a kind of flow diagram of control method for gas-cooker shown according to an exemplary embodiment；
Fig. 3 B is a kind of flow diagram of the control method for gas-cooker shown according to another exemplary embodiment；
Fig. 4 A is a kind of flow diagram of the control method for gas-cooker shown according to another exemplary embodiment；
Fig. 4 B is a kind of flow diagram of the control method for gas-cooker shown according to another exemplary embodiment；
Fig. 4 C is a kind of flow diagram of the control method for gas-cooker shown according to another exemplary embodiment；
Fig. 4 D is a kind of flow diagram of the control method for gas-cooker shown according to another exemplary embodiment；
Fig. 4 E is a kind of flow diagram of the control method for gas-cooker shown according to another exemplary embodiment；
Fig. 5 is a kind of flow diagram of the control method for gas-cooker shown according to another exemplary embodiment；
Fig. 6 is a kind of flow diagram of the control method for gas-cooker shown according to another exemplary embodiment；
Fig. 7 is a kind of flow diagram of the control method for gas-cooker shown according to another exemplary embodiment.
Appended drawing reference:
1, igniter；2, burner；3, fuel gas pipeline；4, flow valve；5, driving mechanism；6, control device；7, electric
Magnet valve；8, cooking bottom temperature sensor；9, spring mechanism；10, microswitch；11, reception device；12, communication module；13, it alarms
Device.
Specific embodiment
The following description and drawings fully show specific embodiments of the present invention, to enable those skilled in the art to
Practice them.Other embodiments may include structure, logic, it is electrical, process and other change.Embodiment
Only represent possible variation.Unless explicitly requested, otherwise individual components and functionality is optional, and the sequence operated can be with
Variation.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This hair
The range of bright embodiment includes equivalent obtained by the entire scope of claims and all of claims
Object.Herein, each embodiment individually or can be indicated generally with term " invention ", and it is convenient that this is used for the purpose of,
And if in fact disclosing the invention more than one, the range for being not meant to automatically limit the application is any single invention
Or inventive concept.Herein, relational terms such as first and second and the like be used only for by an entity or operation with
Another entity or operation distinguish, and without requiring or implying, there are any actual relationships between these entities or operation
Or sequence.Moreover, the terms "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, thus
So that process, method or equipment including a series of elements not only include those elements, but also including being not explicitly listed
Other element, or further include for this process, method or the intrinsic element of equipment.In the feelings not limited more
Under condition, the element that is limited by sentence "including a ...", it is not excluded that in process, method or equipment including the element
In there is also other identical elements.Each embodiment herein is described in a progressive manner, and each embodiment stresses
Be the difference from other embodiments, the same or similar parts in each embodiment may refer to each other.For implementing
For method, product etc. disclosed in example, since it is corresponding with method part disclosed in embodiment, so the comparison of description is simple
Single, reference may be made to the description of the method.
Fig. 1 is the structural schematic diagram of the gas-cooker of the present invention shown accoding to exemplary embodiment.As shown in Figure 1, of the invention
A kind of gas-cooker of embodiment, comprising: igniter 1, burner 2 and fuel gas pipeline 3, the fuel gas pipeline 3 and the combustion
Burner 2 connects, further includes: flow control system and the fuel gas pipeline 3 couple, and flow through the fuel gas pipeline 3 for adjusting
The flow of combustion gas, comprising: flow valve 4 is arranged on the fuel gas pipeline 3；Driving mechanism 4 is coupled with the flow valve 4
Connection, adjusts the aperture of the flow valve 4；Control device 6 is run for controlling the driving mechanism 5.
In above scheme, setting flow control system, the combustion to fuel gas pipeline is flowed through are coupled with the fuel gas pipeline of gas-cooker
The flow of gas is adjusted, and then adjusts the firepower size of burner, realizes the automatic adjustment of firepower, is the realization of automatic cooking
There is provided may.
In above scheme, flow control system includes: flow valve, is arranged on the fuel gas pipeline；Driving mechanism, with
The flow valve is of coupled connections, and adjusts the aperture of the flow valve；And control device, for controlling the driving machine
Structure operation.As an example, flow valve is plug valve, driving mechanism uses stepper motor.
In above scheme, further includes: solenoid valve 7 is arranged in series on fuel gas pipeline with the flow valve, connects combustion gas
Gas source and burner, control device 6 are electrically connected with solenoid valve 7, control fuel gas conduit by controlling disconnection and the closure of solenoid valve 7
Road and gas source are connected and disconnected from, if necessary, such as when detection cooker temperature and flame temperature within the set time
When dropping in setting range, judge gas-cooker there are abnormal combustion, burner ignition is abnormal, can not normal combustion, at this point, being
Gas leakage is avoided, the connection of fuel gas pipeline and gas source is cut off by solenoid valve, avoids the generation of safety accident, improves gas-cooker
Reliability.
Further include: reception device 11, for receiving user instructions；The control device is also used to according to the user instruction
Control the driving mechanism operation.
As an example, the user instruction is corresponding with preset instruction set；The control device is according to the user instruction
The corresponding preset instruction set controls the driving mechanism operation.
In above scheme, user instruction is corresponding with preset instruction set, preset instruction set for example may include cooking time,
The culinary art parameter of cooking temp and termination condition etc., above-mentioned culinary art parameter can be with several groups cooking time and cooking temp/firepower
Corresponding parameter array, control device is according to the combustion gas for being passed through burner of each cooking time section of above-mentioned culinary art parameter regulation
Flow, realize culinary art firepower control, in conjunction with timer according to the preset period, flame temperature carry out automatic cooking.
Above-mentioned culinary art parameter corresponds to the operating mode option of control panel for example can be with are as follows: cooks congee, quick-fried, heats up water, stews
Soup is cooked noodles and is fried.Each corresponding culinary art mode, is arranged corresponding cooking time and culinary art according to each cooking stage
A group or more of parameters of temperature indicate one of above-mentioned culinary art mode, control when reception device receives user instruction
Device processed transfers the parameter array of the pre-stored culinary art mode, adjusts in set period of time to corresponding cooking temp.
As an example, set first 10 minutes, risen with persistently being boiled compared with high flame under Baoshang culinary art mode, culinary art temperature
Degree/flame temperature/cooker temperature setting is 200-220 DEG C, and intermediate 20 minutes progress mild fire simmers, cooking temp/flame
Temperature/cooker temperature setting be 120-160 DEG C, last 20 minutes small fires simmer, cooking temp/flame temperature/cooker
Temperature setting be 80-90 DEG C.Other culinary art above-mentioned setting procedures of schema reference, accordingly increase or reduce, such as in timing
Auto extinguishing program is set under mode, increases the control flow not stopped working under cooking top pot, vibrating state under quick-fried mode；?
Heat up water under mode, be arranged cooker temperature reach 110 DEG C time be greater than or equal to 5s in the state of, auto extinguishing.
In above scheme, as an example, reception device 11 is integrated in control panel, the workbench of gas-cooker device is set
On face, reception device is connect with control device in a wired or wireless fashion.
As another example, further includes: communication module 12 is electrically connected with reception device, for receiving the instruction of user, and
It is sent to control device, control device controls the operation of gas-cooker according to user instructions, realizes long-range, the offline control of gas-cooker
System, such as can be sent and be instructed to communication module by the APP of mobile terminal, after reception device and communication module electrical connection, connect
User instruction is received, control device controls the opening and closing of gas-cooker according to user instructions, goes out to forget to close when user is away from home
Gas-cooker is closed, can be issued and be instructed to gas-cooker by mobile terminal, cutting is passed through the combustion gas of gas-cooker, closes gas-cooker, improves
The safety of gas-cooker.
As another example, further includes: detection device, for detecting the temperature or cooker of flame on the burner
Temperature, or, for detecting the temperature of the flame and the temperature of the cooker；The control device is used for according to institute detected
The temperature of the temperature or the cooker of stating flame controls the driving mechanism operation.
Detection device detects the temperature of the flame on burner and/or the temperature of cooker, and control device is according to the temperature of flame
The temperature of degree and/or cooker adjusts firepower, i.e. driving stepper motor rotates to so that flow valve work is in different apertures.
Detection device includes: the cooking bottom temperature contradicted with cookware base that the heart in the burner is arranged in the first detection device
Sensor 8；The heart in the burner is arranged, for detecting the placement status of cooker in second detection device, i.e. trigger mechanism；And
Third detection device is the flame temperature sensor being arranged in by kitchen range, for detecting the temperature of flame；Wherein cooking bottom temperature passes
Sensor 8 is mounted on 2 center of burner by spring mechanism 9, so that it is bonded with the bottom of the cooker of different structure.
In above scheme, cooking bottom temperature sensor 8 uses negative temperature coefficient NTC thermistor, at 40~280 degrees Celsius
Linearization process is carried out in common cooking temp；Flame temperature sensor is using the K-type thermocouple that can tolerate fuel gas buring temperature.
Control method for gas-cooker of the invention is by being placed on the thermocouple flame temperature sensor of burner and putting
The thermal resistance cooking bottom temperature sensor that setting can directly contact in the middle part of kitchen range with the bottom of a pan perceives cooking temp simultaneously, passes through solenoid valve
Switch is exported as protection act, and accurately and fast, protection accuracy rate is high for protection, accidentally protects probability low.
As another example, trigger mechanism, that is, second detection device is arranged the heart in the burner, detects the placement shape of cooker
State, with being correspondingly arranged for the spring mechanism of installation cooking bottom temperature sensor, when cooker is placed on the burner, spring mechanism becomes
Whether the trigger mechanism of shape triggering connection, place cooker on burner for detecting.Trigger mechanism is microswitch.
When cooker is placed on the burner, microswitch is triggered by spring mechanism and is closed, when cooker leaves burner,
Microswitch open circuit.
As an example, wherein, control device is also used to determine the variation of the temperature of the cooker in setting time；According to institute
The variation for stating the temperature of the cooker in setting time determines the cooker whether initial temperature is excessively high.
In above scheme, wherein whether the control device determines the cooker according to the variation of the temperature of the cooker
Excessively high initial temperature includes: to determine the initial temperature of the cooker when the temperature of cooker described in setting time is to rise by decline variation
It is excessively high.
In above scheme, wherein the control device determines that the variation of the temperature of the cooker in setting time includes: pair
The temperature computation average value for two or more cookers that first detection device continuously detects；And determine institute
State the variable gradient of the temperature averages of two or more cookers in setting time.
In above scheme, third detection device, for detecting the flame temperature of the gas-cooker, with the determination gas-cooker
Whether firing mode is in；Wherein, when the cooker is placed on the gas-cooker, and the gas-cooker is in firing mode,
The control device control time set such as timer carries out timing according to the setting time.
As another example, further includes: protective device for controlling opening or closing for the fuel gas pipeline, or is used for
It is flame-out to control the igniter；Wherein, the control device is also used to: when determining that the cooker initial temperature is excessively high, controlling institute
It states protective device and is in locking non-action state.
In above scheme, the control device is also used to: when the state for determining the cooker is changed by initial temperature is excessively high,
It controls the protective device unlock and enters normal operating conditions.
When gas-cooker access alternating current work normally after, control device, for example, main control MCU with 2Hz frequency in real time from the bottom of a pan temperature
Sensor collecting temperature value is spent, carries out sliding average by 10 sampled point windows, and the temperature sliding average for saving 1 minute is total
Meter 120；Control device, for example, main control MCU with 2Hz frequency in real time from flame temperature sensor collecting temperature value, adopted by 10
Sampling point window carries out sliding draw, and the temperature sliding average for saving 1 minute is 120 total；Main control MCU is also in I/O mouthfuls
Disconnected mode acquires the bottom of a pan trigger mechanism/microswitch transitional states, and the closed state that continuous acquisition microswitch is current
Value；Main control MCU separately initializes a time set/Special timer, is ready for time-out judgement；Two integers are initialized to become
Amount, records current cooking bottom temperature real value and flame temperature real value respectively；A direction variable/integer variable is initialized, is remembered
Record Current Temperatures gradient value direction；Separately one integer variable of initialization records the real-time results mark of the excessively high judgement of initial temperature.These
Variable has collectively constituted the anti-erroneous judgement data structure of kitchen range temperature, as shown in Figure 2 A.
When main control MCU monitors that microswitch is closed caused I/O mouthfuls of interruptions by being opened into, microswitch is judged again
State, if continuous several times are closed state level, then it is assumed that kitchen range are put into hearth and open Special timer.Simultaneously according to current
Flame temperature values judge whether in firing mode.Cooking bottom temperature variation tendency is judged by cooking bottom temperature sliding average array,
And update cooking bottom temperature change of gradient direction variable.When cooking bottom temperature real value is significantly higher than conventional set temperature, first etc.
Switch to 0 by forward direction to temperature gradient change direction or switchs to negative sense；Then waiting temperature change of gradient direction by negative sense again
It turns to 0 or turns to positive, i.e., to rise after cooking bottom temperature presentation decline trend.In waiting time, judging result mark is always
It is placed in that doubtful initial temperature is excessively high, and relay protective scheme is failure to actuate.When the condition of waiting meets, it is excessively high that judging result mark is placed in determining initial temperature,
Relay protective scheme is failure to actuate.
If temperature gradient, which is not undergone, switchs to 0 or negative sense stage by forward direction, but it is directly positive and at increase tendency, or
Timer reaches setting value and condition is waited not meet still, then judging result mark is set to cooking bottom temperature exception immediately, protects
Protection unit/program is acted by normal relay protective scheme.In culinary art flow stages, when judging result mark is that doubtful initial temperature is excessively high, cook
Process of preparing food temporarily locks the current generation, unlock when judging result mark is to determine that initial temperature is excessively high or timer reaches setting value
Current generation continues to judge whether to enter downstream according to culinary art process, or terminates culinary art since relay protective scheme acts.
It is avoided using sliding average mode and temperature gradient Trend judgement since sensor values are shaken or are mutated band
The misjudgment phenomenon come, and judge that the ascending and descending process of temperature gradient can directly determine whether the excessively high kitchen range of initial temperature are suitable for protecting
Shield logic and culinary art jump the occurrence condition of logic, and the use of timer ensure that when the anti-erroneous judgement logic failure of all kitchen range temperature
When overtime escape mechanism.Reduce the excessively high kitchen range of initial temperature existing protective device/relay protective scheme when in use on the whole
Or the phenomenon that culinary art process erroneous judgement, improve the intelligence of automatic cooking.
As further example, further includes: warning device 13 and control device electrical connection, when the temperature or flame of cooker
Temperature it is excessively high when reaching a certain setting value, alarm.
Fig. 2 is a kind of structural schematic diagram of the gas-cooker shown according to another exemplary embodiment.
Fig. 3 A is a kind of flow diagram of control method for gas-cooker shown according to an exemplary embodiment.Such as
The control method for gas-cooker of one embodiment of the present invention shown in Fig. 3 A, comprising: in step s 110, receive user
Instruction；In step S122, the flow for being passed through the combustion gas of the gas-cooker is adjusted according to the user instruction.
In above scheme, according to user instructions, the flow for being passed through the combustion gas of gas-cooker is adjusted, realizes culinary art firepower/temperature
Adjusting, provide possibility for the realization of automatic cooking.
As an example, the user instruction is corresponding with preset instruction set；The control device is according to the user instruction
The corresponding preset instruction set controls the driving mechanism operation.
In above scheme, user instruction is corresponding with preset instruction set, preset instruction set for example may include cooking time,
The culinary art parameter of cooking temp and termination condition etc., above-mentioned culinary art parameter can be with several groups cooking time and cooking temp/firepower
Corresponding parameter array, control device is according to the combustion gas for being passed through burner of each cooking time section of above-mentioned culinary art parameter regulation
Flow, realize culinary art firepower control, in conjunction with timer according to the preset period, flame temperature carry out automatic cooking.
Above-mentioned culinary art parameter corresponds to the operating mode option of control panel for example can be with are as follows: cooks congee, quick-fried, heats up water, stews
Soup is cooked noodles and is fried.Each corresponding culinary art mode, is arranged corresponding cooking time and culinary art according to each cooking stage
A group or more of parameters of temperature indicate one of above-mentioned culinary art mode, control when reception device receives user instruction
Device processed transfers the parameter array of the pre-stored culinary art mode, adjusts in set period of time to corresponding cooking temp.
As an example, set first 10 minutes, risen with persistently being boiled compared with high flame under Baoshang culinary art mode, culinary art temperature
Degree/flame temperature/cooker temperature setting is 200-220 DEG C, and intermediate 20 minutes progress mild fire simmers, cooking temp/flame
Temperature/cooker temperature setting be 120-160 DEG C, last 20 minutes small fires simmer, cooking temp/flame temperature/cooker
Temperature setting be 80-90 DEG C.Other culinary art above-mentioned setting procedures of schema reference, accordingly increase or reduce, such as in timing
Auto extinguishing program is set under mode, increases the control flow not stopped working under cooking top pot, vibrating state under quick-fried mode；?
Heat up water under mode, be arranged cooker temperature reach 110 DEG C time be greater than or equal to 5s in the state of, auto extinguishing.
Fig. 3 B is a kind of flow diagram of control method for gas-cooker shown according to an exemplary embodiment.Such as
The control method for gas-cooker of one embodiment of the present invention shown in Fig. 3 B, further includes: in step S112, detection combustion
The temperature of cooker on gas kitchen；In the step s 120, it is passed through according to the adjusting of the temperature of the user instruction and the cooker described
The flow of the combustion gas of gas-cooker.
As an example, including: when described according to the flow that the temperature of the cooker adjusts the combustion gas for being passed through the gas-cooker
The temperature of cooker is greater than the first set temperature value, and when the cooker is not positioned on the burner, according between setting time
Every being gradually reduced the flow for being passed through the combustion gas of the gas-cooker.
In above scheme, further includes: when detecting that the cooker is replaced on the burner, adjusting is passed through described
The flow of the combustion gas of gas-cooker is restored to before reduction.
In above scheme, the flow for being passed through the combustion gas of the gas-cooker is adjusted according to the temperature of the cooker further include: when
The temperature of the cooker is greater than first set temperature value, and the cooker is placed in the time on the burner greater than first
When setting time, cutting is passed through the combustion gas of the gas-cooker.
Gas-cooker is cooking appliance important in Modern Family kitchen, due to using fuel gas buring as heating method, tool
There is certain risk, and due to kitchen range itself or user's oneself factor, it may be frequent occurrence such as loss of ignition, exception
Flame-out, pot body dry combustion method, the problems such as temperature is excessively high, lead to serious security risk.Eliminating or reduce these security risks is every
The practical demand of consumer and the R&D direction of major household appliances manufacturer.Exemplary embodiment of the present for gas-cooker
Control method mainly solves the problems, such as the ignition protection in a complete cooking process of key cooking stove, has protection accurately and fast,
Protect accuracy rate high, the advantage for accidentally protecting probability low.
With reference to attached drawing 4A, in any stage, if the collected cooking bottom temperature sensor temperature of control device/central controller
When the time that angle value is greater than 298 degrees Celsius of the first setting value is greater than the first setting time 3 seconds, and cooking bottom temperature sensor lower part
In the closure state, i.e., cooker is placed on burner trigger mechanism/microswitch, then controls driving mechanism/stepper motor band
Dynamic plug valve returns to zero-bit, drives the aperture of flow valve minimum or closes, or control solenoid valve is cut off for air circuit, so that cutting
It stops into the combustion gas of gas-cooker, closes gas-cooker, or can show DryFire error code by driving panel LED simultaneously, buzzer is with 1Hz
Frequency persistently prompts 20 seconds.If microswitch at this time is in an off state, illustrate it is that cooker has left hearth, according to setting
Time interval, such as be gradually reduced the flow for being passed through the combustion gas of gas-cooker for 10 seconds, i.e., without any prompt in 10 seconds, and it is interior
Timer pause in portion's controls stepper motor and plug valve is driven to reduce by 2 gear firepower after 10 seconds, while driving panel LED shows and takes off
From hearth early warning, buzzer is persistently prompted with 3HZ frequency；10 seconds control stepper motors i.e. after 20 seconds drive plug valve to be decreased to again
Deep low gear firepower, while driving panel LED display is detached from hearth warning, buzzer is persistently prompted with 0.5HZ frequency；It is controlled after 30 seconds
Solenoid valve cutting processed controls stepper motor and plug valve is driven to return to zero-bit, driving panel LED shows pot body/cooker for air circuit
It is abnormal too long to be detached from hearth, buzzer stopping pipes.If microswitch is again being detached from hearth early warning, alerting in stage of development
Closure, then early warning, alarm status are eliminated, and control stepper motor drives plug valve to restore current firepower, and driving panel LED restores
Cooking process is shown, is eliminated buzzer sound, is restored the operation of timer internal.
Control method for gas-cooker of the invention pushes failure report to user simultaneously by the LED and buzzer of panel
Alert information, different display contents and buzzer call mode indicate different alarm meanings, with more perceptive modes, intuitively
Advantage.
In above scheme, further includes: detect the flame temperature of gas-cooker；In ignition phase, in the second setting time,
The flame temperature is less than second temperature setting value, and cutting is passed through the combustion gas of the gas-cooker.
With reference to attached drawing 4B, in ignition phase, after ignition signal issues, control device central controller continuously detects flame temperature
The temperature value for spending sensor when detecting that temperature value obviously rises in 10 seconds, stops issuing ignition signal, if not examining in 10 seconds
It measures temperature value obviously to rise, then control solenoid valve is cut off for air circuit while stopping issuing ignition signal.
In above scheme, further includes: judge the bottom of a pan/cooker temperature of cooking bottom temperature sensor detection whether in setting temperature
It spends in range, when the temperature of cooker is not within the scope of set temperature or cooking bottom temperature short circuit sensor, then cutting is passed through the combustion
The combustion gas of gas kitchen.
With reference to attached drawing 4C, after normal ignition, if control device judges to detect within continuous 2 minutes that open circuit occurs in temperature sensor
Or temperature value it is obviously abnormal when, then control solenoid valve cutting for air circuit, control stepper motor and plug valve is driven to return to zero-bit, drive
Dynamic panel LED displays temperature probe abnormal prompt, buzzer are persistently prompted 20 seconds with 2Hz frequency.
As an example, further include: after the completion of igniting, in third setting time, the flame temperature is decrease beyond
Third desired temperature, and when the temperature of the cooker decrease beyond four desired temperatures, cutting is passed through the gas-cooker
Combustion gas.
With reference to attached drawing 4D, in any stage normally cooked, if flame temperature sensor is consecutively detected the temperature of flame
Degree is reduced with continuous downward trend more than 100 degrees Celsius suddenly, and cooking bottom temperature sensor is consecutively detected the bottom of a pan/cooker temperature
When degree slowly declines, solenoid valve cutting is immediately controlled for air circuit, controls stepper motor and plug valve is driven to return to zero-bit, drive surface
Plate LED shows accident extinguishing prompt, and buzzer is persistently prompted 10 seconds with 1Hz frequency.
As an example, further include: firing command is received, judges that the temperature of the cooker of the cooking bottom temperature sensor detection is
It is not no when being greater than five desired temperatures, if so, not executing firing command then.
With reference to attached drawing 4E, in guard mode, if the temperature value of the cooker of cooking bottom temperature sensor detection is Celsius greater than 280
Degree, then ignition function is invalid.
After normal culinary art starts, the culinary art duration of current generation is recorded by timer, is not occurred when in other protections
And after reaching the culinary art duration of terminal stage, the cutting of control solenoid valve controls stepper motor and plug valve is driven to return to for air circuit
Zero-bit, driving panel LED display culinary art normal termination information, buzzer are persistently prompted 20 seconds with 0.5Hz frequency, complete preset cook
The complete ignition protection function for process of preparing food.
Fig. 5 is a kind of flow diagram of the control method for gas-cooker shown according to another exemplary embodiment.
The control method for gas-cooker of one embodiment of the present invention as shown in Figure 5, comprising: in step s 110, detect institute
State the temperature of the cooker on gas-cooker；In step S210, the variation of the temperature of the cooker in setting time is determined；In step
In S220, determining the cooker according to the variation of the temperature of the cooker in the setting time, whether initial temperature is excessively high.
In above scheme, wherein the variation of the temperature according to the cooker determines the cooker, and whether initial temperature is excessively high
It include:, when the temperature of cooker described in setting time is to rise by decline variation, to determine the cooker in step S222
Initial temperature is excessively high.
As an example, wherein, the variation of the temperature of the cooker includes: to continuously detecting in the determining setting time
The temperature computation average value of two or more cookers；Determine two or more cookers in the setting time
Temperature averages variable gradient.
Fig. 6 and Fig. 7 is that a kind of process of the control method for gas-cooker shown according to another exemplary embodiment is shown
It is intended to.The control method for gas-cooker of one embodiment of the present invention as shown in Figure 6 and Figure 7 is detecting the combustion gas
Before the temperature of cooker on stove；Further include: detect whether the cooker is placed on the gas-cooker；And detect the combustion
Whether the flame temperature of gas kitchen is in firing mode with the determination gas-cooker；Wherein, when the cooker is placed in the gas-cooker
On, and when the gas-cooker is in firing mode, control carries out timing according to the setting time.
As an example, further include: setting direction variable, to indicate the variable gradient；Wherein, when the variable gradient is
When rising, the direction variable is positive；When the variable gradient is decline, the direction variable is negative；When the variation ladder
When spending constant, the direction variable is zero.
In above scheme, further includes: when determining the cooker is that initial temperature is excessively high, in step s310, control the guarantor
Protection unit is locked in non-action state.
After gas-cooker access alternating current works normally, control device/main control MCU is passed from cooking bottom temperature in real time with 2Hz frequency
Sensor collecting temperature value carries out sliding average by 10 sampled point windows, and the temperature sliding average for saving 1 minute is total
120；Main control MCU, in real time from flame temperature sensor collecting temperature value, is slided with 2Hz frequency by 10 sampled point windows
Draw, and the temperature sliding average for saving 1 minute is 120 total；Main control MCU also acquires the bottom of a pan in such a way that I/O mouthfuls interrupt
The transitional states of temperature sensor microswitch, and the closed form state value that continuous acquisition microswitch is current；Main control MCU is separately initial
Change a Special timer, is ready for time-out judgement；Two integer variables are initialized, it is real to record current cooking bottom temperature respectively
Duration and flame temperature real value；An integer variable is initialized, Current Temperatures gradient value direction is recorded；Initialize an integer
Variable records the real-time results mark of the excessively high judgement of initial temperature.These variables have collectively constituted the anti-erroneous judgement data structure of kitchen range temperature.
When main control MCU monitors that microswitch is closed caused I/O mouthfuls of interruptions by being opened into, microswitch is judged again
State, if continuous several times are closed state level, then it is assumed that kitchen range are put into hearth and open Special timer.Simultaneously according to current
Flame temperature values judge whether in firing mode.Cooking bottom temperature variation tendency is judged by cooking bottom temperature sliding average array,
And update cooking bottom temperature change of gradient direction variable.When cooking bottom temperature real value is significantly higher than conventional set temperature, first etc.
Switch to 0 by forward direction to temperature gradient change direction or switchs to negative sense；Then waiting temperature change of gradient direction by negative sense again
It turns to 0 or turns to positive.In waiting time, judging result mark is placed in always that doubtful initial temperature is excessively high, and protective device/logic is not
Movement.When the condition of waiting meets, judging result mark is placed in that determining initial temperature is excessively high, and protective device/logic is failure to actuate.
If temperature gradient, which is not undergone, switchs to 0 or negative sense stage by forward direction, but it is directly positive and at increase tendency, or
Timer reaches setting value and condition is waited not meet still, then judging result mark is set to cooking bottom temperature exception immediately, protects
Program is protected to act by normal relay protective scheme.In culinary art flow stages, when judging result mark is that doubtful initial temperature is excessively high, process is cooked
The temporarily locking current generation unlocks current rank when judging result mark is to determine that initial temperature is excessively high or timer reaches setting value
Section continues to judge whether to enter downstream according to culinary art process, or terminates culinary art since relay protective scheme acts.
It is avoided using sliding average mode and temperature gradient Trend judgement since sensor values are shaken or are mutated band
The misjudgment phenomenon come, and judge that the ascending and descending process of temperature gradient can directly determine whether the excessively high kitchen range of initial temperature are suitable for protecting
Shield logic and culinary art jump the occurrence condition of logic, and the use of timer ensure that when the anti-erroneous judgement logic failure of all kitchen range temperature
When overtime escape mechanism.Reduce the excessively high kitchen range of initial temperature existing relay protective scheme or culinary art process when in use on the whole
The phenomenon that erroneous judgement.
The control method for gas-cooker of embodiment of the present invention determines whether initial temperature mistake according to the variation of cooking bottom temperature
Height, avoid because initial temperature it is excessively high caused by the erroneous judgement of relevant protection device/relay protective scheme, improve gas-cooker intelligent level and from
Dynamicization is horizontal.
The associated exemplary of the control method for gas-cooker of above scheme illustrates in the gas-cooker with reference to Fig. 1-Fig. 2A
Associated exemplary explanation, do not repeat one by one herein.
It will be appreciated by those of skill in the art that unit described in conjunction with the examples disclosed in the embodiments of the present disclosure and
Algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually with hard
Part or software mode execute, the specific application and design constraint depending on technical solution.Those of skill in the art can be with
Each specific application is used different methods to achieve the described function, but this realization is it is not considered that exceed this hair
Bright range.It is apparent to those skilled in the art that for convenience and simplicity of description, foregoing description is
The specific work process of system, device and unit, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In embodiments disclosed herein, it should be understood that disclosed method, product (including but not limited to device, equipment etc.), it can
To realize by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
Division, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown
Or the mutual correspondence discussed or directly corresponding or communication connection can be through some interfaces, device or unit it is indirect
Corresponding or communication connection can be electrical property, mechanical or other forms.The unit as illustrated by the separation member can be or
Person, which may not be, to be physically separated, and component shown as a unit may or may not be physical unit
With in one place, or may be distributed over multiple network units.Portion therein can be selected according to the actual needs
Point or whole unit achieve the purpose of the solution of this embodiment.In addition, each functional unit in each embodiment of the present invention
It can integrate in one processing unit, be also possible to each unit and physically exist alone, it can also be with two or more lists
Member is integrated in one unit.
Claims (12)
1. a kind of control method for gas-cooker characterized by comprising
Detect the temperature of the cooker on the gas-cooker；
Determine the variation of the temperature of the cooker in setting time；
Determining the cooker according to the variation of the temperature of the cooker in the setting time, whether initial temperature is excessively high.
2. the method according to claim 1, wherein wherein, the variation of the temperature according to the cooker is true
Whether initial temperature is excessively high includes: for the fixed cooker
When the temperature of cooker described in setting time is to rise by decline variation, determine that the initial temperature of the cooker is excessively high.
3. according to the method described in claim 2, it is characterized in that, wherein, the temperature of the cooker in the determining setting time
The variation of degree includes:
Temperature computation average value two or more cookers continuously detected；
Determine the variable gradient of the temperature averages of two or more cookers in the setting time.
4. method according to claim 1 or 2 or 3, which is characterized in that in the temperature for detecting the cooker on the gas-cooker
Before；Further include:
Detect whether the cooker is placed on the gas-cooker；And
The flame temperature of the gas-cooker is detected, whether firing mode is in the determination gas-cooker；
Wherein, when the cooker is placed on the gas-cooker, and the gas-cooker is in firing mode, control gas-cooker according to
The setting time carries out timing.
5. according to the method described in claim 4, it is characterized by further comprising: setting direction variable, to indicate the variation ladder
Degree；Wherein, when the variable gradient is to rise, the direction variable is positive；When the variable gradient is decline, the side
It is negative to variable；When the variable gradient is constant, the direction variable is zero.
6. method according to claim 1 or 5, which is characterized in that further include: when determine the cooker be initial temperature it is excessively high
When, control protective unit is locked in non-action state.
7. a kind of gas-cooker, comprising: igniter, burner and fuel gas pipeline, the fuel gas pipeline are connect with the burner,
It is characterized by further comprising:
First detection device, for detecting the temperature of the cooker on the gas-cooker；And
Control device is cooked a meal for determining the variation of the temperature of the cooker in setting time according to described in the setting time
The variation of the temperature of tool determines the cooker, and whether initial temperature is excessively high.
8. gas-cooker according to claim 7, which is characterized in that wherein, the control device is according to the temperature of the cooker
The variation of degree, which determines the cooker whether initial temperature is excessively high, includes:
When the temperature of cooker described in setting time is to rise by decline variation, determine that the initial temperature of the cooker is excessively high.
9. gas-cooker according to claim 8, which is characterized in that wherein, the control device determines institute in setting time
The variation for stating the temperature of cooker includes:
To the temperature computation average value for two or more cookers that first detection device continuously detects；And
Determine the variable gradient of the temperature averages of two or more cookers in the setting time.
10. according to gas-cooker described in claim 7 or 8 or 9, which is characterized in that further include:
Second detection device, for detecting whether the cooker is placed in the gas-cooker；And
Whether third detection device is in shape of opening fire with the determination gas-cooker for detecting the flame temperature of the gas-cooker
State；
Wherein, when the cooker is placed on the gas-cooker, and the gas-cooker is in firing mode, the control device control
Gas-cooker processed carries out timing according to the setting time.
11. gas-cooker according to claim 7, which is characterized in that further include:
Flow control system is coupled with the fuel gas pipeline, for adjusting the flow for flowing through the combustion gas of the fuel gas pipeline, is wrapped
It includes:
Flow valve is arranged on the fuel gas pipeline；
Driving mechanism is of coupled connections with the flow valve, and the driving mechanism adjusts the aperture of the flow valve when running；
And
Protective device, for controlling opening or closing for the fuel gas pipeline, or the igniter for controlling gas-cooker is flame-out；
Wherein, the control device is also used to:
When determining that the cooker initial temperature is excessively high, controls the protective device and be in locking non-action state.
12. gas-cooker according to claim 11, which is characterized in that wherein, the control device is also used to:
When the state for determining the cooker is changed by initial temperature is excessively high, controls the protective device unlock and enter and work normally shape
State.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113864831A (en) * | 2021-10-08 | 2021-12-31 | 海信家电集团股份有限公司 | Temperature control method and device |
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| CN109654550B (en) | 2023-12-26 |
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