CN107343742A - Electric cooker and electric cooker condensation prevention control method - Google Patents
Electric cooker and electric cooker condensation prevention control method Download PDFInfo
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- CN107343742A CN107343742A CN201610301511.6A CN201610301511A CN107343742A CN 107343742 A CN107343742 A CN 107343742A CN 201610301511 A CN201610301511 A CN 201610301511A CN 107343742 A CN107343742 A CN 107343742A
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- temperature
- temperature value
- electric cooker
- heating
- transparent window
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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
- A47J27/004—Cooking-vessels with integral electrical heating means
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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
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- Food Science & Technology (AREA)
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Abstract
The invention discloses a kind of electric cooker and electric cooker condensation prevention control method, this method includes：When main calandria is begun to warm up or before heating, control auxiliary heating body is with default heating power heating transparent form；Detection in real time obtains the first temperature value in inner pan of electric cooker, and the second temperature value of transparent window body；First temperature value and second temperature value are compared and obtain the difference between the first temperature value and second temperature value；The heating power of auxiliary heating body is adjusted according to the first temperature value and second temperature value dynamic, wherein when the relative difference of second temperature value and the first temperature value be less than or equal to first on the occasion of when, heighten the heating power of auxiliary heating body so that the second temperature of transparent window is more than the first temperature value.The present invention avoids producing condensation and water smoke temperature because the temperature of transparent window is less than in interior pot, so avoid it is smudgy because of transparent window water recovery, be easy to user observe in cook situation in pot.
Description
Technical field
The present invention relates to cooking apparatus technical field, more particularly to a kind of electric cooker and the anti-condensation control of electric cooker
Method processed.
Background technology
Electric cooker is the conventional cooking apparatus for cooking and cooking congee, and electric cooker generally comprises cooker body and upper
Cover, have main calandria and interior pot inside cooker body, rice to be cooked is housed in interior pot, electricity is connected in electric cooker
Behind source, main calandria heating, the temperature of interior pot increases, so as to which the rice in interior pot and water are heated.
Existing rice cooker upper cover is made up of opaque plastics mostly, after covering lid, can not judge from the outside
The cooking status of rice in interior pot.Food could be observed by being switched on lid, cause the steam in pot to be lost in,
Heat losses.And then there is the rice cooker upper cover with transparent window, still, in inner pan of electric cooker
Rice aqueous mixtures temperature-rise period in, transparent window that part water becomes vapor and condensed on the inside of lid
On, cause transparent window smudgy, be not easy to user's observation.
The content of the invention
It is a primary object of the present invention to provide a kind of electric cooker and electric cooker condensation prevention control method, it is intended to
Solves the technical problem that electric cooker transparent window is smudgy because of Water vapor condensation, is not easy to user's observation.
To achieve the above object, a kind of electric cooker condensation prevention control method provided by the invention, the electric meal
Pot includes interior pot, the upper lid being covered on interior pot, the first temperature-sensing probe and the second temperature-sensing probe, it is described on
Cover and be provided with transparent window, electric cooker includes to the main calandria of the interior pot heating and transparent regarded to described
The auxiliary heating body of window heating, temperature in first temperature-sensing probe detection inner pan of electric cooker, described second
Temperature-sensing probe detects the temperature of the transparent window,
The condensation prevention control method of the electric cooker includes：
When main calandria is begun to warm up or before heating, control auxiliary heating body is added with default heating power
Hot transparent window；
The first temperature value in the inner pan of electric cooker of detection acquisition in real time, and the transparent window body
Second temperature value；
First temperature value and second temperature value are compared and obtain first temperature value and second
Difference between temperature value；
The heating power of auxiliary heating body is adjusted according to the first temperature value and second temperature value dynamic, wherein when
The relative difference of second temperature value and the first temperature value be less than or equal to first on the occasion of when, heighten auxiliary heating
The heating power of body is so that the second temperature of transparent window is more than the first temperature value.
Preferably, the electric cooker also includes the 3rd temperature-sensing probe and timer of pot bottom temperature in detection,
The detection in real time obtains the first temperature value in the inner pan of electric cooker, and the transparent window sheet
Also include after the step of second temperature value of body：
Start heating duration, the 3rd temperature-sensing probe of statistics when being begun to warm up according to the autonomous calandria of timer
3rd temperature value of collection and/or the first temperature value of first temperature-sensing probe collection, identification electric cooker institute
Place cooks the stage, wherein the stage of cooking includes water suction stage, heating period, boiling stage；
The step according to the first temperature value and the heating power of second temperature value dynamic adjustment auxiliary heating body
Suddenly include：
When electric cooker is in the water suction stage, control auxiliary heating body is regarded with the first heating power heating transparent
Window；
When electric cooker is in the heating period, control auxiliary heating body is regarded with the second heating power heating transparent
Window, if wherein the relative difference of second temperature value and the first temperature value be less than or equal to first on the occasion of when, adjust
High second heating power；
When electric cooker is in boiling stage, control auxiliary heating body is regarded with the 3rd heating power heating transparent
Window, if wherein second temperature value heightens the 3rd heating power less than default boiling temperature value；
Wherein, the first heating power is more than the 3rd heating power, and the 3rd heating power is more than the second heating work(
Rate, and electric cooker is in and arbitrarily cooked the stage, if second temperature value is more than default Limit temperature value,
Then turn down or heating power that zero setting auxiliary heating body is current.
Preferably, electric cooker cooks the stage also including cooking rice over a slow fire the stage,
It is described when electric cooker is in boiling stage, control auxiliary heating body is saturating with the heating of the 3rd heating power
Also include after the step of photopic vision window：
When electric cooker, which is in, cooks rice over a slow fire the stage, control auxiliary heating body is regarded with the 4th heating power heating transparent
Window, if wherein second temperature value heightens the 3rd heating power, the 4th adds less than default temperature value of cooking rice over a slow fire
Thermal power is less than or equal to the 3rd heating power.
Preferably, electric cooker stage of cooking also includes holding stage,
It is described when electric cooker is in and cooks rice over a slow fire the stage, control auxiliary heating body is saturating with the heating of the 4th heating power
Also include after the step of photopic vision window：
When electric cooker is in holding stage, control auxiliary heating body is regarded with the 5th heating power heating transparent
Window, if wherein second temperature value is more than default holding temperature value, the 5th heating power is turned down, if second
Temperature value is less than or equal to default holding temperature value, then heightens the 5th heating power, the 5th heating power is small
In the second heating power.
The present invention also provides a kind of electric cooker, the electric cooker include cooker body, upper lid, the first temperature-sensing probe,
Second temperature-sensing probe and the interior pot being movably installed in inside the cooker body, the upper lid are located in the cooker body
To open or close the cooker body, the interior pot bottom is provided with main calandria, and the upper lid is provided with transparent
Form, when the cooker body is closed, the transparent window is described transparent towards the interior pot
Form, which is provided with, to be used to heat the transparent window to prevent the transparent window produces the auxiliary of condensation from adding
Hot body, first temperature-sensing probe detect the temperature in inner pan of electric cooker, the second temperature-sensing probe detection
Temperature on transparent window.
Preferably, the electric cooker also includes the control chip inside cooker body, the auxiliary heating body
Electrically connected with main calandria with the control chip, the control chip control the auxiliary heating body and
The heating temp of main calandria.
Preferably, the transparent window includes running through the passage of the upper lid and is connected in the passage
First Transparent Parts, the auxiliary heating body are the metallic conduction located at the first Transparent Parts surface or inside
Layer.
Preferably, the transparent window also includes the second Transparent Parts, and second Transparent Parts are arranged in described
Deviate from the side of the interior pot in passage and positioned at first Transparent Parts.
Preferably, first Transparent Parts, the second Transparent Parts and passage surround form cavity jointly, described
Steam valve is additionally provided with upper lid, the form cavity connects with the steam valve.
Preferably, the 3rd temperature-sensitive that the electric cooker also includes being used to detect temperature at the interior pot the bottom of a pan is visited
Head, is provided with timer inside the control chip, first temperature-sensing probe, the second temperature-sensing probe and the
Three temperature-sensing probes electrically connect with control chip.
The present invention is by the way that when main calandria is begun to warm up, control auxiliary heating body is added with default heating power
Hot transparent window, and obtain the first temperature-sensing probe collection the first temperature value and the second temperature-sensing probe collection
Second temperature value, the heating of auxiliary heating body is then adjusted according to the first temperature value and second temperature value dynamic
Power, so as to during temperature close, heightened in transparent window and interior pot the heating power of auxiliary heating body with
The temperature of transparent window is improved, so that the second temperature of transparent window is more than the first temperature value, so as to avoid
Condensation and water smoke are produced temperature because the temperature of transparent window is less than in interior pot, and then are avoided because of transparent window
Water recovery and it is smudgy, be easy to user observe in cook situation in pot.
Brief description of the drawings
Fig. 1 is the sectional view of the embodiment of electric cooker one of the present invention；
Fig. 2 is the sectional view of another embodiment of electric cooker of the present invention；
Fig. 3 is the partial enlarged drawing at A in Fig. 2；
Fig. 4 is the schematic flow sheet of electric cooker condensation prevention control method first embodiment of the present invention；
Fig. 5 is the schematic flow sheet of electric cooker condensation prevention control method second embodiment of the present invention；
Fig. 6 is electric cooker of the present invention first temperature value, second temperature value and the 3rd temperature value during cooking
Change curve schematic diagram；
Fig. 7 is the change of electric cooker of the present invention auxiliary heating body heating power (Power Regulation ratio) during cooking
Distribution schematic diagram.
Drawing reference numeral explanation：
| Cooker body 1 | Upper lid 2 | Slot 21 | Interior pot 3 |
| Transparent window 4 | Passage 40 | First Transparent Parts 41 | Second Transparent Parts 42 |
| Steam valve 5 | Second temperature-sensing probe 6 | Main calandria 7 |
The realization, functional characteristics and advantage of the object of the invention will be done further referring to the drawings in conjunction with the embodiments
Explanation.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further with regard to technical scheme.Should
Understand, the specific embodiments described herein are merely illustrative of the present invention, is not intended to limit the present invention.
In the description of the invention, it is to be understood that the instruction such as term " on ", " under " " transverse direction "
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description this
Invention and simplify description, be not instruction imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " the
One ", " second " " the 3rd ", " the 4th " " the 5th ", " the 6th " are only used for the purpose described, and can not
Understand instruction or the importance implied.
To be best understood from the present invention, a kind of electric cooker is provided herein, in the embodiment of electric cooker one, reference
Fig. 1, the electric cooker include cooker body 1, upper lid 2, the first temperature-sensing probe 6, the second temperature-sensing probe (in figure
Be not shown) and the interior pot 3 that is movably installed in inside cooker body 1, upper lid 2 be located in cooker body 1 to play on or off
Cooker body 1 is closed, the interior bottom of pot 3 is provided with main calandria 7, and upper lid 2 is provided with transparent window 4, in cooker body 1
When being closed, towards interior pot 3, transparent window 4 is provided with to be used for transparent window transparent window 4
4 heat to prevent transparent window 4 from producing the auxiliary heating body (not shown) of condensation, the first temperature-sensing probe
Temperature in 6 detection inner pan of electric cooker, the second temperature-sensing probe detect the temperature on transparent window 4, wherein the
One temperature-sensing probe can be located at upper lid 2 can be located at transparent window 4 close to the side of interior pot 3, the second temperature-sensing probe
On.
The outer surface of cooker body 1 is provided with decorative panel, and interior pot 3 is placed on the inside of cooker body 1, cooker body 1 and interior pot 3
Bottom junctions are provided with main calandria 7, and when electric cooker works, interior pot 3 is generally used for accommodating rice and water.
Upper lid 2 is covered in cooker body 1, and specifically, upper lid 2 is arranged on the shell of cooker body 1.Preferably,
Upper lid 2 is pivotably mounted in cooker body 1.Certainly, upper lid 2 can also translationally be arranged on cooker body 1
On.Alternatively, upper lid 2 can not be connected with cooker body 1, therefore, need cover cooker body 1 on open
During mouth, upper lid 2 is covered in cooker body 1, when needing to open the upper shed of cooker body 1, from cooker body 1
Remove lid 2.For convenience, above lid 2 enters exemplified by being pivotably mounted in cooker body 1 below
Row description.
Alternatively, transparent window 4 is embedded in lid 2, and light can be from extraneous (i.e. outside electric cooker)
Injected through transparent window 4 in interior pot 3.Transparent window 4 can with vacuum glass or double glazing, wherein,
Double glazing is by two panels or plurality of glass sheets, using high intensity high-air-tightness compound binding agent by each glass
Glass piece bonding forms；Vacuum glass two panels plate glass surrounding is enclosed, and its gap is evacuated simultaneously
Seal vents, the gap between two sheet glass are about 0.1 to 0.2mm, the two panels one of vacuum glass
As it is at least a piece of be low emissivity glass, will thus pass through the conduction, convection current and radiation side of vacuum glass
The lost heat of formula is preferably minimized, and its operation principle is identical with the insulation principle of glass vacuum-bottle；So as to
Transparent window 4 has good heat-blocking action, prevents that the temperature of transparent window 4 is too high and scalds user.
Auxiliary heating body can be the structures such as SMD semiconductor heating piece, metal conducting layer, semiconductor
Fever tablet and the operation principle of metal conducting layer are：When electric cooker starts to cook, in order to prevent because transparent
The temperature of form 4 produces condensation condensation phenomenon less than the temperature of vapor in interior pot 3, and semiconductor is sent out
Backing or metal conducting layer are powered, heating transparent form 4, when the temperature of heating transparent form 4 is higher than interior pot
In 3 during the temperature of vapor, water smoke will not be condensed on transparent window 4, wherein, auxiliary is added by control
The power output of hot body, to control the temperature of transparent window 4.
In the present embodiment, by setting transparent window 4 on rice cooker upper cover 2, and in transparent window 4
Auxiliary heating body is provided with, when electric cooker works, auxiliary heating body heats to transparent window 4,
The temperature (i.e. the second temperature value of the second temperature-sensing probe collection) of transparent window 4 is set to be higher than or maintain an equal level in interior
Steam temperature (i.e. the first temperature of the first temperature-sensing probe 6 collection contacted in pot 3 with transparent window 4
Value), so as to prevent the Water vapor condensation in interior pot 3 from the transparent window on the inside of upper lid, avoiding transparent regard
It is smudgy because condensing water smoke on window 4, it is easy to user to observe food in interior pot 3 based on transparent window 4
Culinary art situation.
Further, electric cooker also includes the control chip (not shown) inside cooker body 1, control
Coremaking piece is electrically connected with auxiliary heating body to control the heating temp of the auxiliary heating body, so as to realize auxiliary
With different Power Regulation ratios, (power percentage, such as auxiliary heating body power are 10W to calandria, are by 1s points
32 parts of periods, Power Regulation is than the time hop count that is heated for auxiliary heating body in 1s with 10W power and 32
Ratio) transparent window 4 is heated, to realize the dynamic regulation to the temperature of transparent window 4, such as
When electric cooker is cooked, in the hydro-thermal heating period, vapor is less, then control chip by transparent without regarding
The temperature adjustment of window 4 is too high；And for example in cook rice over a slow fire stage or the holding stage of electric cooker, if transparent window 4
Temperature it is too high (be higher than 100 degrees Celsius), then easily by the roasting hair shaft that must turn to be yellow of meal, so as to by controlling core
The temperature of piece dynamic control transparent window 4, while electric energy is saved, also improve electric rice cooker cooking effect
Fruit.Alternatively, the power bracket of auxiliary heating body is 15-40W, preferably 20-30W, Power Regulation ratio according to
General power suitably adjusts, and meets the temperature requirements of transparent window 4.Meanwhile control chip also with master
Calandria electrically connects, and control chip controls main calandria heating to realize the heating of internal pot 3.
Preferably, reference picture 2, electric cooker also include the 3rd temperature-sensing probe (figure at the interior the bottom of a pan of pot 3
Not shown in), control chip inside is provided with timer, and the 3rd temperature-sensing probe electrically connects with control chip.The
Three temperature-sensing probes are used for the heating-up temperature for detecting the interior the bottom of a pan of pot 3 and internal pot 3 is in adding for different temperatures
The hot time, so as to control chip can according to demand the heating-up temperature of internal pot 3 and heat time adjusted
Section, such as electric cooker are used to cook, and can prestore control data of cooking in control chip, the control number of cooking
It is divided into the water suction stage according to that will cook (with high-power heating, the bottom temp of pot 3 is in 50 to 60 DEG C of temperature in maintenance
Spend section in favor of rice absorb water), the heating period, (with high-power heating, the bottom temp of pot 3 existed in maintenance
110 to 120 DEG C of temperature ranges are until boiling water), boiling stage (with low-power heating, pot 3 in maintenance
Bottom temp reaches 130 DEG C or so), cook rice over a slow fire the stage (with low-power heating, the bottom temp of pot 3 in maintenance
100 DEG C or so 10 minutes or so), when electric cooker is cooked in different phase, in control chip control
The main calandria 7 of 3 bottoms of pot is with different temperature heating and the heat time of main calandria 7.
Alternatively, reference picture 2, the first temperature-sensing probe 6 electrically connect with control chip.First temperature-sensing probe 6
For measuring the temperature in interior pot 3, heating power that control chip can be according to main calandria 7, heating
Temperature converted quantity in time and interior pot 3, the rice amount that electric cooker is cooked is drawn, so as to which further presumption is cooked
The heat time in each stage and heating-up temperature, meanwhile, in the interior pot 3 for obtaining the collection of the first temperature-sensing probe 6
Temperature change, dynamic adjust and corrected heat time and the heating-up temperature in each stage of cooking, and control core
The temperature of interior pot 3 and stage of cooking that piece gathers according to the first temperature-sensing probe 6 adjust the temperature of the first Transparent Parts 41
Degree.
Further, reference picture 1, transparent window 4 include running through the passage 40 of upper lid 2 and are connected in logical
The first Transparent Parts 41 in road 40, auxiliary heating body are the gold located at the surface of the first Transparent Parts 41 or inside
Belong to conductive layer.Preferably, metal conducting layer deviates from the surface of interior pot 3, metal located at the first Transparent Parts 41
Conductive layer can more very thin conductive filaments be spliced or transparent conductive coating, metal are led
Electric layer is connected with the lead being arranged on around it, when electric cooker is powered based on the lead to metal conducting layer,
Metal conducting layer produces heat and the heat by caused by is conducted to the first Transparent Parts 41 because electric current flows through, from
And realize the heating to the first Transparent Parts 41.
Further, reference picture 2, transparent window 4 also include the second Transparent Parts 42, the second Transparent Parts 42
It is arranged in passage 40 and deviates from the side of interior pot 3 positioned at the first Transparent Parts 41.When electric cooker works,
Because auxiliary heating body heats the first Transparent Parts 41, so avoiding in interior pot 3 vapor in the first Transparent Parts
41 condense towards the interior side of pot 3, meanwhile, the second Transparent Parts 42 are by the first Transparent Parts 41 outside electric cooker
Space obstacle is opened, and so as to which user can not directly contact the first Transparent Parts 41 in the condition of high temperature, is avoided
Because the first Transparent Parts 41 scald user without barrier.
Alternatively, the first Transparent Parts 41 and the second Transparent Parts 42 are plate-like piece, the first Transparent Parts 41 and
Two Transparent Parts 42 are preferably transparency glass plate, and certainly, the first Transparent Parts 41 and the second Transparent Parts 42 also may be used
Think acrylic board, perspex PC (Polycarbonate, makrolon), PS (general purpose
Polystyrene, polystyrene plastics), PE (polyethylene, polyethylene) or PP (Polypropylene,
Polypropylene English name), different transparent materials can be selected according to electric cooker concrete model.
Alternatively, reference picture 2 and Fig. 3, slot 21 on the inwall of passage 40, the first Transparent Parts 41 and
In two Transparent Parts 42 insertion slot 21, between the first Transparent Parts 41 and slot 21 and the second Transparent Parts
Fluid sealant is equipped between 42 and slot 21.First Transparent Parts 41 are seamlessly connected with upper lid 2, so as to anti-
Only vapor passes through first Transparent Parts 41 through the gap between the first Transparent Parts 41 and upper lid 2 in interior pot 3；
Second Transparent Parts 42 are seamlessly connected with upper lid 2, avoid electric cooker foreign or water from passing through the second Transparent Parts
42.
Further, reference picture 2, the first Transparent Parts 41, the second Transparent Parts 42 and passage 40 enclose jointly
Into form cavity, steam valve 5 is additionally provided with upper lid 2, form cavity connects with steam valve 5.When form chamber
Volume of air is expanded when internal air is heated by heater, and unnecessary gas is discharged via steam valve 5,
The gas in form cavity can be so avoided to be extruded because of heating expansion with the second Transparent Parts 42, from
And the first Transparent Parts 41 and/or the second Transparent Parts 42 are avoided to rupture.
Preferably, the second Transparent Parts 42 are provided with antifogging coating towards the side of the first Transparent Parts 41.Due to
Second Transparent Parts, the 42 relative temperature of first Transparent Parts 41 is relatively low, and hot-air contacts chance with the second Transparent Parts 42
Liquefied after cold, influence user's viewing so as to easily form fog in the second Transparent Parts, thus it is saturating second
Bright part 42 is provided with antifogging coating towards the side of the first Transparent Parts 41, can effectively avoid the second Transparent Parts 42
On there is water smoke, further improve transparent window 4 viewing effect.
The present invention also provides a kind of electric cooker condensation prevention control method, reference picture 2, Fig. 4 and Fig. 7, electric meal
Pot includes cooker body 1, upper lid 2, control chip, the first temperature-sensing probe 6, the second temperature-sensing probe and interior pot 3,
Upper lid 2 is provided with transparent window 4, and electric cooker includes the main calandria 7 of internal pot 3 heating and regarded to transparent
The auxiliary heating body that window 4 heats, main calandria 7 may be provided in the interior bottom of pot 3, the detection of the first temperature-sensing probe
Temperature in inner pan of electric cooker 3, the second temperature-sensing probe detect the temperature of transparent window 4, the first temperature-sensing probe 6
Upper lid 2 can be located at can be located on transparent window 4 close to the side of interior pot 3, the second temperature-sensing probe, auxiliary
Calandria, the first temperature-sensing probe 6, the second temperature-sensing probe and main calandria 7 electrically connect with control chip,
Certainly, control chip can also be arranged in the control device of the outside of electric cooker herein,
In the condensation prevention control method first embodiment of electric cooker of the present invention, this method includes：
Step S10, when main calandria is begun to warm up or before heating, control auxiliary heating body is added with default
Thermal power heating transparent form 4；
The heating power of main calandria corresponds to full Power Regulation with Power Regulation than one-to-one corresponding, such as maximum heating power
Than that is, auxiliary heating body is heated using full Power Regulation ratio (such as Power Regulation ratio is 32/32), equivalent to auxiliary heating body
Continue to generate heat with rated power within a certain period of time, now the heating power of auxiliary heating body is its specified work(
Rate；For another example auxiliary heating body is heated using half Power Regulation ratio (such as Power Regulation ratio is 16/32), is heated equivalent to auxiliary
The time that body has half within a certain period of time is generated heat with rated power, now the heating power of auxiliary heating body
For the half of its rated power.The maximum heating power that heating power is chosen as auxiliary heating body is preset herein,
When control chip detects that main calandria is begun to warm up, control auxiliary heating body is added with maximum heating power
Hot transparent window 4, the temperature of transparent window 4 is read to be lifted soon, it is ensured that the temperature of transparency window 4 is higher than interior
The temperature of rice aqueous mixtures in pot 3.
Step S20, in real time detection obtain the first temperature value (i.e. the first temperature-sensing probe 6 in inner pan of electric cooker
First temperature value of collection), and (i.e. the second temperature-sensing probe gathers the second temperature value of the body of transparent window 4
Second temperature value)；
The second temperature of the first temperature value T1 and transparent window 4 in control chip dynamic acquisition in pot 3
Value T2, herein detection in real time are retrieved as obtaining once at interval of predetermined interval duration, the predetermined interval duration
Can freely it set according to demand, such as a length of 0.1s, 0.5s, 1s etc. during predetermined interval, or between shorter time
Every.
Step S30, the first temperature value and second temperature value are compared and obtain the first temperature value and second
Difference between temperature value；
Step S40, the heating work(of auxiliary heating body is adjusted according to the first temperature value and second temperature value dynamic
Rate, wherein when the relative difference of second temperature value and the first temperature value be less than or equal to first on the occasion of when, adjust
The heating power of high auxiliary heating body, so that the second temperature of transparent window 4 is more than the first temperature value.
Alternatively, when the relative difference of second temperature value and the first temperature value be more than first on the occasion of when, turn down
The heating power of auxiliary heating body.
Control chip adds according to the first temperature value T1 and second temperature value T2 dynamic adjustment auxiliary heating bodies
Thermal power, relative difference T0=T2-T1, when T0 is less than or equal to first on the occasion of (such as first on the occasion of for 5)
When, show the Current Temperatures (i.e. second temperature value) of transparent window 4 with the Current Temperatures in interior pot 3 (i.e.
First temperature value) it is more close, easily there is condensation and water smoke in transparent window 4, now heightens auxiliary and adds
The heating power (the Power Regulation ratio for tuning up auxiliary heating body) of hot body；When T0 be more than first on the occasion of when, table
The Current Temperatures of bright transparent window 4 differ larger with the Current Temperatures in interior pot 3, the temperature of transparent window 4
It is higher, be not in condensation and water smoke, to save the energy, preventing that the temperature of transparent window 4 is too high, turn down
The heating power (the Power Regulation ratio for turning auxiliary heating body down) of auxiliary heating body, so as to auxiliary by dynamically adjusting
Help the heating power of calandria, it is ensured that the second temperature of transparent window 4 is always greater than first in interior pot 3
Temperature value.
In the present embodiment, by the way that when main calandria is begun to warm up, control auxiliary heating body is added with default
Thermal power heating transparent form 4, and obtain the first temperature value and the second temperature-sensitive of the collection of the first temperature-sensing probe 6
The second temperature value of probe collection, then added according to the first temperature value and second temperature value dynamic adjustment auxiliary
The heating power of hot body, so as to during temperature close, heighten auxiliary heating in transparent window 4 and interior pot 3
The heating power of body is to improve the temperature of transparent window 4, so that the second temperature of transparent window 4 is more than the
One temperature value, so as to avoid because the temperature of transparent window 4 produces condensation and water less than temperature in interior pot 3
Mist, so avoid it is smudgy because of the water recovery of transparent window 4, be easy to user observe in pot 3
Culinary art situation.
Further, on the basis of electric cooker condensation prevention control method first embodiment of the present invention, propose
Electric cooker condensation prevention control method second embodiment, in a second embodiment, reference picture 2, Fig. 5, Fig. 6
And T1 is the first temperature value in Fig. 7, Fig. 6, T2 is second temperature value, and T3 is the 3rd temperature value, Fig. 7
Middle shadow region the development length of Y direction represent Power Regulation than adjustment stir scope, shade in Fig. 7
Region identifies in the development length of X-direction also to be included with the Power Regulation of this scope than duration, electric cooker
Located at the interior temperature-sensing probe of 3 bottom of pot the 3rd, control chip electrically connects with the 3rd temp probe, control chip
Inside is provided with timer, and certainly, timer can also be arranged in the control device outside electric cooker,
Also include after step S20：
Step S50, start when being begun to warm up according to the autonomous calandria of timer statistics heating duration, the 3rd
The 3rd temperature value T3 and/or the first temperature value T1 of temperature-sensing probe collection, identify cooking residing for electric cooker
Stage, wherein cook the stage include the water suction stage, the heating period, boiling stage；
Typically include water suction stage, heating period and boiling stage when electric cooker is cooked successively, below
Each stage is illustrated respectively：
(1) main calandria 7 is controlled to be heated with relatively high power and maintain interior pot in water suction stage, control chip
(such as bottom temp maintains 65 DEG C of left sides to 3 bottom temps (i.e. the 3rd temperature value) in the range of 60~70 DEG C
It is right) water suction duration (such as 10 minutes) is preset, mainly a meter coolant-temperature gage is maintained at favourable in the water suction stage
Within the temperature range of water suction；Meanwhile timer carries out timing when electric cooker is begun to warm up, statistics is solid
During timing is long in interior pot 3 first temperature value T1 temperature variation, fixed duration is shorter, temperature variation
It is bigger, show that rice amount is fewer in inner pan of electric cooker 3, such as rice coolant-temperature gage changes in interior pot 3 in 1 minute
Measure as 20 DEG C, corresponding rice amount is 1 glass of rice, so as to determine the duration in water suction stage according to rice amount, together
When primarily determine that the duration (such as primarily determining that heating period, the duration of boiling stage) in each stage of cooking,
Then the duration in each stage of cooking further is corrected according to the first temperature value and the 3rd temperature value.
(2) when reaching the time of heating period, control chip controls main calandria 7 to add with relatively high power
The bottom temp of pot 3 is at 110~120 DEG C in heat maintenance, and up to the upper temperature of lid 2, (i.e. the first temperature-sensing probe 6 is adopted
First temperature value of collection) reach 80 DEG C or so, judge that rice water will enter fluidized state, in the heating period,
Meter Shui is mainly rapidly joined with into fluidized state.
(3) when reaching the time of boiling stage, control chip controls main calandria 7 with suitable small work(
Rate heats, until the interior bottom temp of pot 3 (i.e. the 3rd temperature value T3) reaches 130 DEG C or so, completes boiling
Rise the stage, boiling stage mainly allows a meter aqueous mixtures fully to seethe with excitement, and is sufficiently mixed meter Shui.
Step S40 includes：
Step S41, when electric cooker is in the water suction stage, control auxiliary heating body is added with the first heating power
Hot transparent window 4；
When electric cooker is in the water suction stage, due to main calandria 7 with relatively high power heat in pot 3, interior pot
First temperature value T1 fast liftings in 3, so control auxiliary heating body is with the first heating power heating transparent
Form 4, the first heating power are auxiliary heating body maximum heating power or close to maximum heating power, so as to
The temperature (i.e. second temperature value T2) of transparent window 4 is soaring rapidly, makes second temperature value higher than the first temperature
Angle value.
Step S42, when electric cooker is in the heating period, control auxiliary heating body is added with the second heating power
Hot transparent window 4, if wherein the relative difference of second temperature value and the first temperature value is being less than or equal to first just
During value, the second heating power is heightened；
After electric cooker enters the heating period, the first temperature value in interior pot 3 can be fast from water suction temperature rapidly
Boiling temperature arrive in speed lifting, and due to second temperature at when should be more than the first temperature value, so control
Chip controls auxiliary heating body to be slightly less than the second heating power heating transparent form 4 of the first heating power,
And the relative difference of second temperature value T2 and the first temperature value be less than or equal to first on the occasion of when, that is, exist
When the temperature of transparent window 4 is more or less the same with temperature in interior pot 3, the second heating work(of auxiliary heating body is heightened
Rate, so as to carry out three-dimensional heating to rice water inside the transparent window 4 of high temperature and interior pot 3, so as to internal pot 3
In meter Jia Re it is more uniform.
Step S43, when electric cooker is in boiling stage, control auxiliary heating body is added with the 3rd heating power
Hot transparent window 4, if wherein second temperature value heightens the 3rd heating power less than default boiling temperature value；
Wherein, the first heating power is more than the 3rd heating power, and the 3rd heating power is more than the second heating power,
And electric cooker is in and arbitrarily cooked the stage, if second temperature value is more than default Limit temperature value, adjusts
Heating power low or that zero setting auxiliary heating body is current.
After electric cooker enters boiling stage, the first temperature value in interior pot can be stablized on 100 degrees Celsius of left sides
The right side, and now second temperature value is more than the first temperature value (i.e. second temperature value is higher than 100 DEG C), controls core
Piece controls auxiliary heating body with less 3rd heating power heating transparent form 4, it is ensured that transparent window 4
Temperature is higher than 100 degrees Celsius.Meanwhile control chip set transparent window 4 Limit temperature value (such as
130 DEG C), second temperature value is more than default Limit temperature value, then turns down or zero setting auxiliary heating body is current
Heating power, prevent that the temperature of transparent window 4 is too high and the other parts of electric cooker are caused to damage.Meanwhile
The transparent window 4 that high temperature exothermic is run into due to thin rice gruel bubble can be ruptured immediately, and the temperature of transparent window is got over
High effect is more obvious, so improving the temperature of transparent window 4 as far as possible.
In the present embodiment, cooking the stage residing for electric cooker, comprehensive cook stage, the first temperature are increased
Value and three factors of second temperature value, comprehensive and dynamic adjusts the heating power of auxiliary heating body, so as to root
According to the difference in stage of being cooked residing for electric cooker, the heating power of auxiliary heating body is adjusted, so as to ensure
On the premise of condensation fogging is occurred without on photopic vision window 4, avoid that auxiliary heating body heating power is excessive, temperature
It is too high and cause energy waste, electric cooker parts damages.
Further, on the basis of electric cooker condensation prevention control method second embodiment of the present invention, electric meal
The stewing meal stage also includes cooking rice over a slow fire the stage, and the stage of cooking rice over a slow fire is in after boiling stage, reference picture 2, step
Also include after S43：
Step S44, when electric cooker, which is in, cooks rice over a slow fire the stage, control auxiliary heating body is added with the 4th heating power
Hot transparent window 4, if wherein second temperature value is less than default temperature value of cooking rice over a slow fire, the 3rd heating power is heightened,
4th heating power is less than or equal to the 3rd heating power.
When reaching the time in the stage of cooking rice over a slow fire, control chip controls main calandria 7 to add with suitable small-power
Heat, the bottom temp of pot 3 is such as default a length of when cooking rice over a slow fire in 100 DEG C or so default durations of cooking rice over a slow fire in maintenance
10 minutes, the stage of cooking rice over a slow fire mainly made rice soft.
Preferably, control chip controls auxiliary heating body with the 4th heating power heating transparent in step S44
Form 4, control rule also include：If second temperature value is more than default temperature value of cooking rice over a slow fire, turns down the 3rd and add
Thermal power, so as to which the second temperature value of transparent window 4 is near default temperature of cooking rice over a slow fire, both it can guarantee that stewing
Meal effect, make rice softer, and can avoids causing rice partially dry because the temperature of transparent window 4 is too high
Jaundice.
Preferably, electric cooker stage of cooking also includes holding stage, and holding stage was in after the stage of cooking rice over a slow fire,
Also include after step S44：
Step S45, when electric cooker is in holding stage, control auxiliary heating body is added with the 5th heating power
Hot transparent window 4, if wherein second temperature value is more than default holding temperature value, the 5th heating power is turned down,
If second temperature value is less than or equal to default holding temperature value, the 5th heating power, the 5th heating are heightened
Power is less than the second heating power.
When reaching the time of holding stage, control chip controls main calandria 7 to add with suitable small-power
Heat, in maintenance the bottom temp of pot 3 at 75 DEG C or so, due at 75 DEG C rice be not easy because temperature is too high and
Overdrying is partially yellow, it is possibility to have imitates and suppresses breed bacteria in cooked rice, now control information control auxiliary adds
Hot body just likes hot transparent window 4 with the 5th heating power, and it is 80 DEG C or so to preset holding temperature value, and with
Equal second temperature value and the default heating power of holding temperature value dynamic regulation the 5th, so as to prevent regarding because transparent
The temperature of window 4 is too high and causes the partially dry jaundice of rice, and and can avoids producing condensation and water smoke on transparent window 4.
It should be noted that the technical scheme of each embodiment of the present invention can be combined with each other, but must
Must be that basis can be implemented as with those skilled in the art, when the combination appearance of technical scheme is conflicting
Or when can not realize should people think that the combination of this technical scheme is not present, also not in application claims
Within protection domain.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention,
Every equivalent structure transformation made using description of the invention and accompanying drawing content, or directly or indirectly use
In other related technical areas, it is included within the scope of the present invention.
Claims (10)
1. a kind of electric cooker condensation prevention control method, it is characterised in that the electric cooker includes interior pot, lid
Upper lid, the first temperature-sensing probe and the second temperature-sensing probe on interior pot, the upper lid are provided with transparent regard
Window, electric cooker include the main calandria heated to the interior pot and the auxiliary of transparent window heating are added
Hot body, first temperature-sensing probe detect temperature in inner pan of electric cooker, and second temperature-sensing probe detects institute
The temperature of transparent window is stated,
The condensation prevention control method of the electric cooker includes：
When main calandria is begun to warm up or before heating, control auxiliary heating body is added with default heating power
Hot transparent window；
The first temperature value in the inner pan of electric cooker of detection acquisition in real time, and the transparent window body
Second temperature value；
First temperature value and second temperature value are compared and obtain first temperature value and second
Difference between temperature value；
The heating power of auxiliary heating body is adjusted according to the first temperature value and second temperature value dynamic, wherein when
The relative difference of second temperature value and the first temperature value be less than or equal to first on the occasion of when, heighten auxiliary heating
The heating power of body is so that the second temperature of transparent window is more than the first temperature value.
2. electric cooker condensation prevention control method as claimed in claim 1, it is characterised in that the electric meal
Stewing also includes the 3rd temperature-sensing probe and timer of pot bottom temperature in detection,
The detection in real time obtains the first temperature value in the inner pan of electric cooker, and the transparent window sheet
Also include after the step of second temperature value of body：
Start heating duration, the 3rd temperature-sensing probe of statistics when being begun to warm up according to the autonomous calandria of timer
3rd temperature value of collection and/or the first temperature value of first temperature-sensing probe collection, identification electric cooker institute
Place cooks the stage, wherein the stage of cooking includes water suction stage, heating period, boiling stage；
The step according to the first temperature value and the heating power of second temperature value dynamic adjustment auxiliary heating body
Suddenly include：
When electric cooker is in the water suction stage, control auxiliary heating body is regarded with the first heating power heating transparent
Window；
When electric cooker is in the heating period, control auxiliary heating body is regarded with the second heating power heating transparent
Window, if wherein the relative difference of second temperature value and the first temperature value be less than or equal to first on the occasion of when, adjust
High second heating power；
When electric cooker is in boiling stage, control auxiliary heating body is regarded with the 3rd heating power heating transparent
Window, if wherein second temperature value heightens the 3rd heating power less than default boiling temperature value；
Wherein, the first heating power is more than the 3rd heating power, and the 3rd heating power is more than the second heating work(
Rate, and electric cooker is in and arbitrarily cooked the stage, if second temperature value is more than default Limit temperature value,
Then turn down or heating power that zero setting auxiliary heating body is current.
3. electric cooker condensation prevention control method as claimed in claim 2, it is characterised in that electric cooker boils
The meal stage also includes cooking rice over a slow fire the stage,
It is described when electric cooker is in boiling stage, control auxiliary heating body is saturating with the heating of the 3rd heating power
Also include after the step of photopic vision window：
When electric cooker, which is in, cooks rice over a slow fire the stage, control auxiliary heating body is regarded with the 4th heating power heating transparent
Window, if wherein second temperature value heightens the 3rd heating power, the 4th adds less than default temperature value of cooking rice over a slow fire
Thermal power is less than or equal to the 3rd heating power.
4. electric cooker condensation prevention control method as claimed in claim 3, it is characterised in that electric cooker boils
The meal stage also includes holding stage,
It is described when electric cooker is in and cooks rice over a slow fire the stage, control auxiliary heating body is saturating with the heating of the 4th heating power
Also include after the step of photopic vision window：
When electric cooker is in holding stage, control auxiliary heating body is regarded with the 5th heating power heating transparent
Window, if wherein second temperature value is more than default holding temperature value, the 5th heating power is turned down, if second
Temperature value is less than or equal to default holding temperature value, then heightens the 5th heating power, the 5th heating power is small
In the second heating power.
5. a kind of electric cooker, it is characterised in that the electric cooker includes cooker body, upper lid, the first temperature-sensitive and visited
Head, the second temperature-sensing probe and the interior pot being movably installed in inside the cooker body, the upper lid are located at described pot
To open or close the cooker body on body, the interior pot bottom is provided with main calandria, and the upper lid is provided with
Transparent window, when the cooker body is closed, the transparent window is described towards the interior pot
Transparent window, which is provided with, to be used to heat the transparent window to prevent the transparent window from producing the auxiliary of condensation
Calandria is helped, first temperature-sensing probe detects the temperature in inner pan of electric cooker, second temperature-sensing probe
Detect the temperature on transparent window.
6. electric cooker as claimed in claim 5, it is characterised in that the electric cooker is also included located at pot
The control chip in internal portion, the auxiliary heating body and main calandria electrically connect with the control chip,
The control chip controls the heating temp of the auxiliary heating body and main calandria.
7. the electric cooker as described in claim 5 or 6, it is characterised in that the transparent window includes passing through
The passage of the upper lid and the first Transparent Parts being connected in the passage are worn, the auxiliary heating body is to set
Metal conducting layer in the first Transparent Parts surface or inside.
8. electric cooker as claimed in claim 7, it is characterised in that the transparent window also includes second
Transparent Parts, second Transparent Parts are arranged in the passage and positioned at first Transparent Parts away from described
The side of interior pot.
9. electric cooker as claimed in claim 8, it is characterised in that first Transparent Parts, second saturating
Bright part and passage surround form cavity jointly, are additionally provided with steam valve on the upper lid, the form cavity with
The steam valve connection.
10. electric cooker as claimed in claim 6, it is characterised in that the electric cooker also includes being used for
The 3rd temperature-sensing probe of temperature at the interior pot the bottom of a pan is detected, timer is provided with inside the control chip,
First temperature-sensing probe, the second temperature-sensing probe and the 3rd temperature-sensing probe electrically connect with control chip.
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| CN201610301511.6A CN107343742B (en) | 2016-05-06 | 2016-05-06 | Electric cooker and anti-condensation control method thereof |
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|---|---|---|---|
| CN201610301511.6A CN107343742B (en) | 2016-05-06 | 2016-05-06 | Electric cooker and anti-condensation control method thereof |
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| CN107343742B CN107343742B (en) | 2022-12-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109431233A (en) * | 2018-09-30 | 2019-03-08 | 珠海格力电器股份有限公司 | Cooking appliance and heat preservation control method and determination method thereof |
| CN109634183A (en) * | 2018-12-24 | 2019-04-16 | 珠海格力电器股份有限公司 | Electric cooker water condensation control method, device and system |
| CN110822495A (en) * | 2019-11-15 | 2020-02-21 | 广东美的厨房电器制造有限公司 | Household appliance and control method thereof |
| CN110897511A (en) * | 2018-09-14 | 2020-03-24 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance, heating control method thereof, and computer-readable storage medium |
| CN111513582A (en) * | 2020-04-29 | 2020-08-11 | 珠海格力电器股份有限公司 | Electric cooker and control method thereof |
| CN111659475A (en) * | 2020-06-12 | 2020-09-15 | 苏州苏试试验集团股份有限公司 | Automatic control system and method for preventing condensation of infrared window on test box |
| CN113545680A (en) * | 2020-04-24 | 2021-10-26 | 佛山市顺德区美的电热电器制造有限公司 | Control method, control device, cooking apparatus, and storage medium |
| CN113545649A (en) * | 2020-04-24 | 2021-10-26 | 佛山市顺德区美的电热电器制造有限公司 | Control method, control device, cooking apparatus, and storage medium |
| CN113545651A (en) * | 2020-04-24 | 2021-10-26 | 佛山市顺德区美的电热电器制造有限公司 | Control method, control device, cooking apparatus, and storage medium |
| CN113545650A (en) * | 2020-04-24 | 2021-10-26 | 佛山市顺德区美的电热电器制造有限公司 | Control method, control device, cooking apparatus, and storage medium |
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| CN110897511A (en) * | 2018-09-14 | 2020-03-24 | 佛山市顺德区美的电热电器制造有限公司 | Cooking appliance, heating control method thereof, and computer-readable storage medium |
| CN109431233A (en) * | 2018-09-30 | 2019-03-08 | 珠海格力电器股份有限公司 | Cooking appliance and heat preservation control method and determination method thereof |
| CN109634183A (en) * | 2018-12-24 | 2019-04-16 | 珠海格力电器股份有限公司 | Electric cooker water condensation control method, device and system |
| CN110822495A (en) * | 2019-11-15 | 2020-02-21 | 广东美的厨房电器制造有限公司 | Household appliance and control method thereof |
| CN113545680A (en) * | 2020-04-24 | 2021-10-26 | 佛山市顺德区美的电热电器制造有限公司 | Control method, control device, cooking apparatus, and storage medium |
| CN113545649A (en) * | 2020-04-24 | 2021-10-26 | 佛山市顺德区美的电热电器制造有限公司 | Control method, control device, cooking apparatus, and storage medium |
| CN113545651A (en) * | 2020-04-24 | 2021-10-26 | 佛山市顺德区美的电热电器制造有限公司 | Control method, control device, cooking apparatus, and storage medium |
| CN113545650A (en) * | 2020-04-24 | 2021-10-26 | 佛山市顺德区美的电热电器制造有限公司 | Control method, control device, cooking apparatus, and storage medium |
| CN111513582A (en) * | 2020-04-29 | 2020-08-11 | 珠海格力电器股份有限公司 | Electric cooker and control method thereof |
| CN111513582B (en) * | 2020-04-29 | 2021-04-23 | 珠海格力电器股份有限公司 | Electric cooker and control method thereof |
| CN111659475A (en) * | 2020-06-12 | 2020-09-15 | 苏州苏试试验集团股份有限公司 | Automatic control system and method for preventing condensation of infrared window on test box |
| CN111659475B (en) * | 2020-06-12 | 2022-03-15 | 苏州苏试试验集团股份有限公司 | Automatic control system and method for preventing condensation of infrared window on test box |
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