CN105662117A - Boiling-free energy-saving hot pot device and boiling-free control method thereof - Google Patents
Boiling-free energy-saving hot pot device and boiling-free control method thereof Download PDFInfo
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- CN105662117A CN105662117A CN201610231121.6A CN201610231121A CN105662117A CN 105662117 A CN105662117 A CN 105662117A CN 201610231121 A CN201610231121 A CN 201610231121A CN 105662117 A CN105662117 A CN 105662117A
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- temperature
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- 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
- A47J27/00—Cooking-vessels
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- 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
- A47J36/00—Parts, details or accessories of cooking-vessels
Abstract
The invention discloses a boiling-free energy-saving hot pot device and a boiling-free control method thereof.A temperature sensor is installed on the side wall of a hot pot and connected with a boiling-free control assembly through a wire.The temperature in the pot is detected through the temperature sensor.The boiling-free control assembly detects and records the boiling point in the pot.The temperature in the pot and the boiling point of the hot pot are compared and judged so that power control of a heating source of an induction cooker can be achieved.The temperature in the hot pot is controlled to be lower than the boiling point but close to the boiling point, energy conservation and water conservation are achieved, and the hot pot eating aim is not influenced.The boiling point is accurately judged, the temperature in the pot is precisely and automatically controlled at an appropriate temperature lower than the boiling point but close to the boiling point, it is avoided that lots of heat and water are wasted during water continuous boiling, energy conservation and water conservation are achieved, and people can conveniently use the hot pot device.
Description
Technical field
The present invention relates to one exempt to boil Energy-saving chafing dish device and exempt from the control method of boiling, temperature in Based Intelligent Control chafing dishSpend lower than but approach boiling point.
Background technology
It is a kind of new boiling point detection technique that height is surveyed the technology of boiling. Due to chafing dish complicated component, add and use institutePlace's height above sea level difference, causes chafing dish boiling point to differ, and this technology can detect boiling point exactly, is other controls afterwardsSystem provides accurate benchmark.
At present, the chafing dish of the power-adjustable using in people's daily life, as electromagnetic oven, be by pan and withIts connected heater composition. There is the control circuit of regulating power heater inside. These control electricityRoad has oscillating circuit, holding circuit, pulsewidth circuit for regulating and controlling, current detection circuit, voltage detecting electricity conventionallyRoad, temperature sensing circuit etc., people can carry out the logical of electricity original paper in control circuit by the button on panelDisconnected, and then control the power heating. When use, people regulate the merit of heating by subjective sensationRate, so inconvenient, two because regulate not in time, can cause certain energy loss, boils chafing dishTime particularly evident. In addition, in the process of boiling chafing dish, in order to ensure that pot interior liquid boils to reach in high temperatureThe object of prepared food thing, is used a higher heating power that chafing dish is maintained to fluidized state conventionally. At thisUnder part, a part for input power is for maintaining the heat radiation of high-temp liquid and pot body, and another part is by steamChange, form boiling phenomenon. But the boiling point of chafing dish soup is basic fixing, and Part II acting can not be carriedHigh-temperature and efficiency. For this reason, annual China approximately slatterns 230.0 hundred million degree electric energy and the lost water yields 0.23 hundred millionCubic meter, waste greatly.
Summary of the invention
In order to overcome existing chafing dish without automatic regulating power function or to regulate shortcoming not in time, and boilThe electric energy that when chafing dish, soup stock constantly boiling causes, the problem of fresh water waste, the invention provides one and exempts to boil energy-conservationChaffy dish and exempt from the control method of boiling, not only can detect boiling point in chafing dish, regulates the power of heating, willThe temperature of soup for chafing dish is controlled at the temperature of closing on soup stock boiling point and do not make its boiling, also can automatically detect with dishProcess, after chafing dish is with dish, regulating power is to maximum.
The technical solution adopted for the present invention to solve the technical problems is:
One, the one Energy-saving chafing dish device of exempting to boil:
The present invention includes boil Control Component and the temperature being connected with the Control Component of exempting to boil exempted from that is arranged on electromagnetic oven insideDegree sensor, temperature sensor is arranged on chafing dish sidewall, and temperature sensor is through wire and exempt from the Control Component that boilsConnect, by temperature sensor, kettle temperature is detected, the Control Component of exempting to boil first surveys by height the technology inspection of boilingSurvey boiling point, then relatively judge that by kettle temperature and chafing dish boiling point the heating source of controlling electromagnetic oven carries out powerControl, chafing dish internal temperature be controlled to boiling point following but approach boiling point, reach energy-saving and water-saving exempt from boil.
Described temperature sensor probe end extend in the interior liquid of its pot through chafing dish sidewall.
The described Control Component of exempting to boil comprises that the signal amplification circuit, the A/D that are arranged on electromagnetic oven inside transform electricityRoad, signal processing circuit and IGBT tube drive circuit, the signal output part of temperature sensor is successively through signalAfter amplifying circuit, A/D conversion circuit, signal processing circuit, IGBT tube drive circuit with the heating of electromagnetic ovenCoil connects, and adopts signal processing circuit control IGBT drive circuit to regulate the heating power of electromagnetic oven.
Described IGBT drive circuit comprises triode Q1, triode Q2 and IGBT pipe Q3, IGBTThe colelctor electrode of pipe Q3 is connected with signal processing circuit, and the emitter stage of IGBT pipe Q3 is respectively through resistance R 6 and twoUtmost point pipe ZD1 is connected to its base stage, the grounded emitter of IGBT pipe Q3, and the base stage of IGBT pipe Q3 is through electricityResistance R7 is connected to the colelctor electrode of triode Q1, the emitter stage of triode Q1 after capacitor C 11 with its base stageConnect, IGBT pipe Q3 colelctor electrode respectively after resistance R 43, diode D5 with the sending out of triode Q2Emitter-base bandgap grading, colelctor electrode connect, and the colelctor electrode of triode Q2 is ground connection after capacitor C 1, and triode Q2 connects power supplyVoltage, triode Q1 connects supply voltage after being connected with the base stage of triode Q2 after resistance R 18; DescribedSignal processing circuit is to IGBT tube drive circuit input low level, and IGBT pipe Q3 turn-offs; The high electricity of inputFlat, IGBT pipe Q3 conducting.
Described signal processing circuit adopts single-chip microcomputer, adopts Single-chip Controlling IGBT drive circuit and then tuneJoint power.
Two, exempt from the to boil control method of boiling of exempting from of Energy-saving chafing dish, is characterized in that: adopt said apparatus, and logicalCross the temperature sensor being arranged on chafing dish sidewall to liquid detecting temperature in pot, and then processing acquisition chafing dishBoiling point, taking the boiling point T that detects acquisition as benchmark, enters and exempts from the temperature controlling mode of boiling, in real time by kettle temperature withThe heating source that t0, t1 compare judgement control electromagnetic oven carries out power control, and chafing dish kettle temperature is controlled atSuitable temperature t0～t1, reach energy-saving and water-saving exempt from boil. Exempt to boil and refer to that temperature approaches boiling point: t0～t1, approachesBoiling but fluidized state not.
Boiling point that described suitable temperature t0～t1 is chafing dish is following and approach boiling point, but higher than the chafing dish safety of cookingTemperature t '
The boiling point of described chafing dish specifically obtains in the following ways:, adopt first in heating process at chafing dishHigh-power heating, constant duration collecting temperature data, and and then processing acquisition computing value and height thresholdValue relatively obtains boiling point, if computing value is less than or equal to height threshold value, and temperature boiling as chafing dish nowPoint, if computing value is greater than height threshold value, now temperature, not as the boiling point of chafing dish, continues with maximumPower heating.
Described computing value is temperature variance yields or temperature slope value, and described temperature slope value is oneFix time oblique between the mean value of temperature data of interior first half and the mean value of the temperature data of latter halfRate.
In the time seething with excitement first, obtain chafing dish boiling point T by the described Control Component of exempting to boil, then enter and exempt from the temperature control that boilsPattern, is controlled at by temperature the first nearly boiling temperature t0 and second that approaches boiling point and closely boils by closing down heating sourceBetween some temperature t 1, t ' < t0 < t1 < T, t ' represents safe temperature.
Record and adopt immediately low-power heating after boiling point, adopt high-power heating until kettle temperature during lower than t0,Kettle temperature adopts low-power heating during higher than t1, moves in circles. Described low-power should make kettle temperature notBe enough to maintain t0 and above temperature, the described high-power kettle temperature that should make can not maintain t1 and following temperatureDegree. If due to extraneous factor, temperature is lower than safe temperature t ', think carried out adding water, with behaviour such as dishesDo, Operation at full power immediately, allows it seethe with excitement again, detects boiling point, otherwise always in exempting from the temperature control mould that boilsFormula.
The present invention combines height and surveys boil technology and temperature control technology, surveys the technology of boiling detect and boil by heightPoint record.
Chafing dish of the present invention mainly refers to the uncovered boiler of chafing dish one class.
Boiling in chafing dish process, temperature sensor gathers a series of temperature signal and is converted into the signal of telecommunication and transfers to listThe processing of sheet machine. Single-chip microcomputer, will by calculating the temperature variance (or rate of temperature change) in certain hour intervalItself and predetermined value are compared, and in the time that variance is less than predetermined value, prove that the temperature in pot has reached constant, noteRecording now temperature is boiling point, enters and exempts from the temperature controlling mode of boiling. Now, by IGBT drive circuit, adopt PWMTechnology or other technologies regulate heating power, the temperature of liquid in pot is maintained to preset temperature, i.e. liquidBoiling point is applicable to temperature below. In this pattern, if owing to making kettle temperature drop to suddenly certain with operations such as dishesOne lowest temperature, is adjusted into peak power by power, and circulation, detects boiling point again, enters constant temperature mouldFormula. Because the boiling point of liquid in pot is non-constant, being difficult to can be to boiling lower than boiling point of liquid by prior settingThe time of food and the mouthfeel of food exert an influence.
The invention has the beneficial effects as follows:
Required parts are simpler, and lower cost realizes the automatic adjusting of chafing dish power, reduce people and manually adjustJoint power number of times and the energy consumption regulating not in time. Meanwhile, the liquid in chafing dish being controlled to boiling point connects belowThe temperature of nearly boiling point, is affecting hardly food mouthfeel and is boiling under the prerequisite of speed and saved water consumption and energyAmount (through the modelling verification of transformation electromagnetic oven, in chafing dish use procedure, can realize the electric weight of saving 73.3%, subtractFew 74.7% moisture loss, and the enormous benefits of the subsidiary nitrite generation that reduces approximately 37.2%).
Brief description of the drawings
Fig. 1 is that cutaway view is installed in the side of temperature sensor of the present invention.
Fig. 2 is electric control theory figure of the present invention.
Fig. 3 is the schematic diagram of IGBT drive circuit.
Fig. 4 is the heat time result figure of embodiment Heating Experiment.
Fig. 5 is the amount of water result figure of embodiment Heating Experiment.
Fig. 6 be embodiment economize on electricity experiment electric weight result figure.
In figure: 1, chafing dish, 2, electromagnetic oven, 3, temperature sensor.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As shown in Figure 1, the present invention includes be arranged on electromagnetic oven 2 inside exempt from boil Control Component and with exempt from the control of boilingThe temperature sensor that assembly processed connects, temperature sensor 3 is arranged on chafing dish 1 sidewall, temperature sensor 2Sound end extend in the interior liquid of its pot through chafing dish sidewall, and temperature sensor 3 is through wire and exempt from the control group of boilingPart connects, and by temperature sensor 3, kettle temperature is detected, and the Control Component of exempting to boil first surveys by height the side of boilingMethod detects boiling point, then relatively judges that by kettle temperature and chafing dish boiling point the heating source of controlling electromagnetic oven 2 entersThe control of row power, be controlled at boiling point by chafing dish 1 internal temperature following but approach boiling point, reaches energy-saving and water-savingExempt to boil.
As shown in Figure 2, the Control Component of exempting to boil comprises the signal amplification circuit, the A/D that are arranged on electromagnetic oven 3 insideConversion circuit, single-chip microcomputer and IGBT tube drive circuit, the signal output part of temperature sensor 2 is successively through signalAfter amplifying circuit, A/D conversion circuit, single-chip microcomputer, IGBT tube drive circuit with the heating source electricity of electromagnetic oven 2Road connects, and adopts Single-chip Controlling IGBT drive circuit to regulate the heating power of electromagnetic oven 2.
The temperature sensor 2 that is positioned at pot gathers kettle temperature signal, changes temperature signal into the signal of telecommunication,Amplify through signal amplifying apparatus, then become data signal through A/D reforming unit, be sent to signal processing circuit(single-chip microcomputer), signal processing circuit is connected with IGBT tube drive circuit, by the kettle temperature letter importing intoBreath, automatic decision is state now, and output corresponding signal is controlled the state of IGBT pipe, and then regulates electromagnetismStove power is to predetermined value.
Fig. 3 is a kind of example of IGBT tube drive circuit, and IGBT drive circuit comprises triode Q1, three utmost pointsPipe Q2 and IGBT pipe Q3, the colelctor electrode of IGBT pipe Q3 is connected with signal processing circuit, and IGBT manages Q3Emitter stage be connected to its base stage through resistance R 6 and diode ZD1 respectively, the emitter stage of IGBT pipe Q3 connectsGround, the base stage of IGBT pipe Q3 is connected to the colelctor electrode of triode Q1 through resistance R 7, and triode Q1 sends outEmitter-base bandgap grading is connected with its base stage after capacitor C 11, IGBT pipe Q3 colelctor electrode respectively through resistance R 43, twoAfter utmost point pipe D5, be connected with emitter stage, the colelctor electrode of triode Q2, the colelctor electrode of triode Q2 is through capacitor C 1Rear ground connection, triode Q2 connects supply voltage, after triode Q1 is connected with the base stage of triode Q2 through resistanceAfter R18, connect supply voltage; Described signal processing circuit is to IGBT tube drive circuit input low level,IGBT pipe Q3 turn-offs; Input high level, IGBT pipe Q3 conducting.
In the time that input signal is high level, Q2 conducting, Q1 cut-off, the circulation of 18VDC voltage, gives IGBTColelctor electrode provide gate voltage, IGBT conducting. Electromagnetic oven wire coil starts energy storage. When input signal is lowWhen level, Q2 cut-off, Q1 conducting, the grounded emitter of IGBT, IGBT turn-offs. Now drum inductionVoltage, to humorous capacitor discharge, has formed LC vibration.
Resistance R 6, in the time that triode ends, drags down the base stage residual voltage of IGBT fast. Capacitor C 11 is doneFor high frequency bypass, as mild drive circuit waveform effect, Zener diode ZD1, stablizes IGBT in additionBase voltage, prevention input voltage when too high, damages IGBT.
Specific embodiments of the invention and implementation process thereof are as follows:
In order can comparatively accurately to control temperature, in the present embodiment, adopt the conduct of Pt100 thermal resistanceTemperature sensor, its resistance value and temperature have clear and definite corresponding relation, and precision is high, and reaction is fast. Pt100 heatResistance is directly placed in pot, is connected to control circuit by 3 shielding lines, then by electric bridge by the change of resistanceChange and be converted into the signal of telecommunication, then carry out signal condition by instrument amplifier, then be input in single-chip microcomputer and carry outAnalog-to-digital conversion obtains Current Temperatures.
The boiling point of the present embodiment detects based on STC12C5A60S2 chip microcontroller, sampling 25 per secondInferior, then average and obtain 1 temperature data, and can carry out record to the temperature data of 5 seconds, forCalculate the variance of these data, if variance is less than height threshold value, illustrate that the variation of temperature is very little,Can judge in pot and reach fluidized state, recording now temperature is boiling point T, calculates t0, t1, (t0, t1 and T'sPoor is preset value, t0=T-6, t1=T-1 in the present embodiment), enter the ensuing temperature controlling mode of boiling of exempting from.
Exempt to boil in temperature controlling mode, single-chip microcomputer is processed the temperature signal (with the form of the signal of telecommunication) of input,Can obtain current temperature signal and can judge temperature conditions, also continuing by controlling two simultaneouslyElectrical equipment is controlled the power of electromagnetic oven, reaches thermostatically controlled effect. The normal open switch of two relaysBe connected in parallel on respectively the two ends of control panel of electromagnetism stove power adjusting button, replace and pressing with the action of the single-chip microcomputer signal of telecommunicationThe mechanical type action of button. In the time entering fluidized state in judgement pot, automatically by power reduction to 3 grade, and changeThe covert flag bit that closes, enters and exempts from the temperature controlling mode of boiling. If temperature deducts 6 degree lower than boiling point, i.e. t0, can be automaticBy increased power to 5 grade, if being above the boiling point, temperature deducts 1 degree, can automatically reduce to 3 grades, (this enforcementIn example, 3 grades of power make kettle temperature be not enough to maintain t0 and above temperature, and 5 grades of power should make temperature in potDegree can not maintain t1 and following temperature, by measuring) by and so forth, by kettle temperature controlIn the scope of low 1～6 degree than boiling point.
In the time boiling chafing dish, need to constantly add cold food materials or water, add after a certain amount of food materials or water at every turnIt is too low that temperature can become, and now needs electromagnetic oven with peak power work, recovers as early as possible the temperature in pot. CauseThis, temperature detected lower than safe temperature t ' (being taken as 90 DEG C) under thermostatic control time, can be automatically by powerBe added to maximum, boil once, re-start the detection of boiling point.
Carried out boiling time experiment: due to the rice dumpling to boil duration moderate, floating when judgement is boiled changesObviously, elected as experiment food materials.
Clear water in pot is boiled to boiling, put into 5 rice dumpling heating, record 4 rice dumpling floating to the water surface and stopThe time that while only heating, the rice dumpling do not sink. In experiment, first group uses the present embodiment heating (exempting to boil), secondGroup is used 5 grades of heating of electromagnetic oven (1200W, boiling), 8 grades of heating of the 3rd group of use electromagnetic oven (2100W,Violent boiling), all the other conditions are identical. Experimental result is shown in Fig. 4. Prove that this Energy-saving chafing dish of exempting to boil is to the time of boilingImpact in people's tolerance interval.
In order to verify energy-saving and water-saving effect, then test as follows: in pot, set level scale line in advance,Connect ammeter, clear water is added in pot and boiled by peak power, then use different modes heating, Mei DangshuiPosition decline 100ml, is mended to elemental height, and the accumulative total recording in 60min is added the water yield, and draws outWasted work---the time figure line of 30min before heating process. Wherein first group uses the present embodiment heating (to exempt fromBoil), second group uses 5 grades of heating of electromagnetic oven (boiling), and the 3rd group uses 8 grades of heating (plays of electromagnetic ovenStrong boiling), all the other conditions are identical. Experimental result is shown in as shown in Figure 5. Can find out water saving effect of the present inventionObviously, diminishbb water evaporation quantity is fruit:
Power savings as shown in Figure 6, as seen from the figure, within the working time of 30min, divide by the wasted work of each groupWei 0.46kwh and 0.7kwh, after water boil (after 10min), the mean power of two kinds is respectively564W and 1200W, power savings is fairly obvious. In this experiment, can save 53% electric weight.
Because chafing dish sea surface oil slick hinders moisture vaporization, and actually boil mean power in chafing dish process approximately1500W, after measured, the mean power of above-mentioned two kinds can be revised to 400W and 1500W, and historical facts or anecdotes border can be savedElectric weight is approximately:
In the edible process of chafing dish, because continuous high temperature boiling produces harmful substance, the present invention is by falling simultaneouslyThe low temperature of cooking, has effectively reduced the generation of harmful substance. As use the present embodiment to boil chafing dish effectively to reduceThe content 37% of nitrite, the edible safety of raising chafing dish.
Thus, examples of implementation are further analyzed economic benefit: the power that coil for common chafing dish uses generally exists1500W left and right, water evaporation quantity is 1500mL/h, this product mean power is 400W, moisture evaporationAmount is 380mL/h. According to the every degree of the Hangzhou market price electric 5.5 jiaos, 3.85 yuan of calculating of every cubic metre of water. SupposeAverage every day hot pot be about 60, each time is about 2h, annual each chafing dish restaurant can be saved intoThis:
Statistics shows that nationwide chafing dish restaurant has 350,000 at least, the whole chafing dishes of chafing dish restaurant in fictitiaUse the present invention, by the known chafing dish industry of benefit calculation above every year can power saving approximately:
(1.5-0.4)kW×2h×60×35×104×365＝168.6×108kW·h，
Be equivalent to the annual electricity generating capacity of Bei Lun power plant of national second largest thermal power plant. Can reduce every year chafing dish water EvapotranspirationMistake is:
(1500-380)mL×2×60×35×104×365＝0.17×108m3
As can be seen here, its obvious technical effects of the present invention is outstanding, can bring huge economic benefit and society's effectBenefit.
Claims (9)
1. exempt from the Energy-saving chafing dish device that boils, it is characterized in that: comprise that to be arranged on electromagnetic oven (2) innerExempt to boil Control Component and the temperature sensor being connected with the Control Component of exempting to boil, temperature sensor (3) is arranged on fireOn pot (1) sidewall, temperature sensor (3) is connected with the Control Component of exempting to boil through wire, passes through TEMPDevice (3) detects kettle temperature, and the Control Component of exempting to boil is first surveyed by height the method for boiling and detected boiling point record,Then relatively judge that by kettle temperature and chafing dish boiling point the heating source of controlling electromagnetic oven (2) carries out power controlSystem, is controlled at boiling point by chafing dish (1) internal temperature following but approach boiling point, reach energy-saving and water-saving exempt from boil.
2. the one according to claim 1 Energy-saving chafing dish device of exempting to boil, is characterized in that: described temperatureDegree sensor (2) sound end extend in the interior liquid of its pot.
3. the one according to claim 1 Energy-saving chafing dish device of exempting to boil, is characterized in that: described exempts fromThe Control Component that boils comprises the signal amplification circuit, A/D conversion circuit, the signal that are arranged on electromagnetic oven (3) insideTreatment circuit and IGBT tube drive circuit, the signal output part of temperature sensor (2) amplifies through signal successivelyAfter circuit, A/D conversion circuit, signal processing circuit, IGBT tube drive circuit with the adding of electromagnetic oven (2)Heat coil connects, and adopts signal processing circuit control IGBT drive circuit to regulate the hot merit that adds of electromagnetic oven (2)Rate.
4. the one according to claim 3 Energy-saving chafing dish device of exempting to boil, is characterized in that: describedIGBT drive circuit comprises triode Q1, triode Q2 and IGBT pipe Q3, the current collection of IGBT pipe Q3The utmost point is connected with signal processing circuit, and the emitter stage of IGBT pipe Q3 connects through resistance R 6 and diode ZD1 respectivelyReceive its base stage, the grounded emitter of IGBT pipe Q3, the base stage of IGBT pipe Q3 is connected to through resistance R 7The colelctor electrode of triode Q1, the emitter stage of triode Q1 is connected with its base stage after capacitor C 11, IGBTPipe Q3 colelctor electrode respectively after resistance R 43, diode D5 with emitter stage, the collection of triode Q2Electrode connects, and the colelctor electrode of triode Q2 is ground connection after capacitor C 1, and triode Q2 connects supply voltage, and threeUtmost point pipe Q1 connects supply voltage after being connected with the base stage of triode Q2 after resistance R 18; Described signal processingCircuit is to IGBT tube drive circuit input low level, and IGBT pipe Q3 turn-offs; Input high level, IGBT pipeQ3 conducting.
5. the one according to claim 1 Energy-saving chafing dish device of exempting to boil, is characterized in that: described letterNumber treatment circuit adopts single-chip microcomputer, adopts Single-chip Controlling IGBT drive circuit and then regulating power.
6. the control method of boiling of exempting from of Energy-saving chafing dish of exempting to boil, is characterized in that: by being arranged on chafing dish (1)Temperature sensor (3) on sidewall is to liquid detecting temperature in pot, and then the boiling point of processing acquisition chafing dish, withDetecting the boiling point obtaining is benchmark, compares judgement in real time control electromagnetism by kettle temperature and chafing dish boiling pointThe heating source of stove (2) carries out power control, and chafing dish (1) kettle temperature is controlled to suitable temperature, reachesThe exempting from of energy-saving and water-saving boiled.
7. the control method of boiling of exempting from of a kind of Energy-saving chafing dish of exempting to boil according to claim 1, its feature existsIn: the boiling point of described chafing dish specifically obtains in the following ways: in chafing dish continuous heating process, equal timeInterval collecting temperature data, and and then process and obtain computing value and height threshold value and relatively obtain boiling point, ifComputing value is less than or equal to height threshold value, and this temperature is as the boiling point of chafing dish, if computing value is greater thanHeight threshold value, this computing value is not as the boiling point of chafing dish.
8. the control method of boiling of exempting from of a kind of Energy-saving chafing dish of exempting to boil according to claim 7, its feature existsIn: described computing value is temperature variance yields or temperature slope value, and described temperature slope value is frontThe mean value of the mean value of half part interior temperature data detection time and latter half interior temperature data detection timeBetween slope.
9. the control method of boiling of exempting from of a kind of Energy-saving chafing dish of exempting to boil according to claim 1, its feature existsIn: in the time seething with excitement first, obtain chafing dish boiling point T by the described Control Component of exempting to boil, then enter and exempt from the temperature control that boilsPattern, is controlled at by temperature the first nearly boiling temperature t0 and second that approaches boiling point and closely boils by closing down heating sourceBetween some temperature t 1, t ' < t0 < t1 < T, t ' represents safe temperature.
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| CN106618152A (en) * | 2016-12-07 | 2017-05-10 | 宁波方太厨具有限公司 | Heating cooking apparatus and its boiling water recognition method |
| CN106918069A (en) * | 2017-02-07 | 2017-07-04 | 北京海房新能源科技有限公司 | A kind of control method of phase-transition heat-storage heating system |
| CN108451344A (en) * | 2018-05-08 | 2018-08-28 | 马人欢 | Intelligent frequency-conversion chafing dish |
| CN109464015A (en) * | 2017-12-12 | 2019-03-15 | 四川长虹电器股份有限公司 | A kind of pot body temp testing controlling system and method |
| CN109730526A (en) * | 2018-11-27 | 2019-05-10 | 华帝股份有限公司 | Constant temperature control method of electric steam box |
| CN110623527A (en) * | 2019-10-25 | 2019-12-31 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish-off detection method, cooking appliance, cooking system and readable storage medium |
| CN112137432A (en) * | 2019-06-26 | 2020-12-29 | 佛山市顺德区美的电热电器制造有限公司 | Control method and control device for cooking appliance and cooking appliance |
| CN113139436A (en) * | 2021-03-31 | 2021-07-20 | 哈尔滨端点科技发展有限公司 | Image recognition-based automatic control method, system and medium for hot pot temperature |
| CN114052488A (en) * | 2021-12-15 | 2022-02-18 | 深圳市瀚索科技开发有限公司 | Silent constant-temperature heating method and system and container using same |
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| CN106618152A (en) * | 2016-12-07 | 2017-05-10 | 宁波方太厨具有限公司 | Heating cooking apparatus and its boiling water recognition method |
| CN106918069A (en) * | 2017-02-07 | 2017-07-04 | 北京海房新能源科技有限公司 | A kind of control method of phase-transition heat-storage heating system |
| CN109464015A (en) * | 2017-12-12 | 2019-03-15 | 四川长虹电器股份有限公司 | A kind of pot body temp testing controlling system and method |
| CN108451344A (en) * | 2018-05-08 | 2018-08-28 | 马人欢 | Intelligent frequency-conversion chafing dish |
| CN109730526A (en) * | 2018-11-27 | 2019-05-10 | 华帝股份有限公司 | Constant temperature control method of electric steam box |
| CN112137432A (en) * | 2019-06-26 | 2020-12-29 | 佛山市顺德区美的电热电器制造有限公司 | Control method and control device for cooking appliance and cooking appliance |
| CN112137432B (en) * | 2019-06-26 | 2022-07-15 | 佛山市顺德区美的电热电器制造有限公司 | Control method and control device for cooking appliance and cooking appliance |
| CN110623527A (en) * | 2019-10-25 | 2019-12-31 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish-off detection method, cooking appliance, cooking system and readable storage medium |
| WO2021077575A1 (en) * | 2019-10-25 | 2021-04-29 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish feeding detection method, cooking appliance, cooking system and readable storage medium |
| CN113139436A (en) * | 2021-03-31 | 2021-07-20 | 哈尔滨端点科技发展有限公司 | Image recognition-based automatic control method, system and medium for hot pot temperature |
| CN113139436B (en) * | 2021-03-31 | 2023-12-15 | 哈尔滨端点科技发展有限公司 | Automatic control method, system and medium for temperature of chafing dish based on image recognition |
| CN114052488A (en) * | 2021-12-15 | 2022-02-18 | 深圳市瀚索科技开发有限公司 | Silent constant-temperature heating method and system and container using same |
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Application publication date: 20160615 |