CN105078216B - Heat stepwise control method, heat stepwise control device and electric steamer - Google Patents
Heat stepwise control method, heat stepwise control device and electric steamer Download PDFInfo
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- CN105078216B CN105078216B CN201410206977.9A CN201410206977A CN105078216B CN 105078216 B CN105078216 B CN 105078216B CN 201410206977 A CN201410206977 A CN 201410206977A CN 105078216 B CN105078216 B CN 105078216B
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- preset time
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Abstract
The present invention proposes a kind of heat stepwise control method, a kind of heat stepwise control device and a kind of electric steamer, wherein and the heat stepwise control method is used for electric steamer, including：Obtain the first preset time corresponding with the heating mode of input and the second preset time；It in first preset time, controls the electric steamer and is heated, in second preset time, control the electric steamer and stop heating.Technical solution through the invention so that the energy that electric steamer can efficiently use water vapour heats food, saves electric energy, while avoiding directly opening electric steamer at the end of heating by the smoked wound of high-temperature steam.
Description
Technical field
The present invention relates to electric steamer technical fields, add in particular to a kind of heat stepwise control method, a kind of segmentation
Heat control device and a kind of electric steamer.
Background technology
Electric steamer on the market is usually that a timing is arranged at present, passes through a firm power in timing
To food continuous heating, until the timing of setting terminates, to achieve the purpose that steaming foods.When the timing of electric steamer setting
Between terminate, indicate food cooked, it is edible, at this time if user immediately open pot cover feeding food, due in steamer
Vapor (steam) temperature it is higher, be easy by the smoked wound of high-temperature steam, in addition, the high-temperature water vapor being saturated in food steamer also results in resource wave
Take.
Invention content
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, can efficiently use steam in electric steamer an object of the present invention is to provide one kind heating food,
It is prevented simultaneously by the heat stepwise control method of the smoked wound of high-temperature steam.
It is another object of the present invention to propose a kind of heat stepwise control device.
A further object of the present invention is to propose a kind of electric steamer.
To achieve the above object, embodiment according to a first aspect of the present invention, it is proposed that a kind of heat stepwise control method,
Including：Obtain the first preset time corresponding with the heating mode of input and the second preset time；When described first is default
In, it controls the electric steamer and is heated, in second preset time, control the electric steamer and stop heating.
Heat stepwise control method according to an embodiment of the invention, heating mode are corresponding with the first preset time and second
Preset time, while controlling electric steamer work in the first preset time and generating steam to heat food, in the second preset time
Stop heating, food is heated using the waste heat of high-temperature steam so that the high-temperature steam in electric steamer has obtained effectively
It utilizes, while being heated using the waste heat of electric steamer high-temperature steam so that the temperature of high-temperature steam is declined, and is avoided and is added
Heat terminates directly to open pot cover by the smoked wound of high-temperature steam, therefore, with continuous heating in the prior art until timing terminates phase
Than, control the second preset time do not heat, save electric energy, while vapor (steam) temperature declined avoid heating at the end of directly beat
Lid boil by the smoked wound of high-temperature steam.
According to one embodiment of present invention, by first preset time and second preset time and the heating
Pattern corresponds to storage, wherein described to obtain first preset time corresponding with the heating mode of input and described second
Preset time the specific steps are：Read any heating mode of input；It searches corresponding with the heating mode
First preset time and second preset time.
Heat stepwise control method according to an embodiment of the invention, by by the first preset time and the second preset time
Storage corresponding with the heating mode so that in the heating mode for receiving input, can quickly find and the heating
Corresponding first preset time of pattern and the second preset time, it is simple and easy to do, while by selecting heating mode to can determine
First preset time and the second preset time, simplify operation.
Certainly, it will be apparent to a skilled person that the method for obtaining the first preset time and the second preset time
It is also very much, be not used to specifically limit herein, in another embodiment, can freely be set by user the first preset time and
Second preset time establishes relationship between the first preset time and the second preset time, obtains between total heating time
It obtains and gets the first preset time and the second preset time.
According to one embodiment of present invention, it further include the heating time for showing the electric steamer, wherein the heating
The heating time of pattern is equal to the sum of first preset time and second preset time.
Heat stepwise control method according to an embodiment of the invention, although electric steamer is without work in the second preset time
Make, but the steam in electric steamer still has higher temperature, in order to continue heating simultaneously to food using the waste heat of high-temperature steam
Avoid user by the smoked wound of high-temperature steam, the second preset time still falls within the working time (heating time) of electric steamer, by aobvious
Show the heating time of electric steamer, such as：Countdown show electric steamer current heating mode remaining heating time, make user with
It is still working for electric steamer in the second preset time, the pot cover without opening electric steamer preferably avoids user from directly beating
Lid boil by the smoked wound of high-temperature steam.
According to one embodiment of present invention, in first preset time, judge temperature in the electric steamer and/
Or whether vapour concentration is greater than or equal to preset value；Temperature and/or vapour concentration in the judgement electric steamer are more than or wait
When the preset value, control reduces the heating power or average heating power of the electric steamer.
Heat stepwise control method according to an embodiment of the invention, by electric steamer vapor (steam) temperature be greater than or equal to
When vapour concentration is greater than or equal to default steam value in preset temperature and/or electric steamer, reduce the heating power or flat of electric steamer
Equal heating power saves energy consumption, improves electricity to control the vapor (steam) temperature in electric steamer and/or the vapour concentration in electric steamer
The efficiency of heating surface of steamer, avoid due to vapor (steam) temperature is excessively high in electric steamer and/or electric steamer in vapour concentration it is larger, largely
Water vapour take away a large amount of energy, waste electric energy, and a large amount of water vapour is discharged into kitchen and pollutes kitchen environment.
Specifically, the vapor (steam) temperature in electric steamer and/or vapour concentration can be by electric steamer inner walls
Temperature sensor and/or vapour concentration sensor are detected, certainly, can also be by temperature as more preferred embodiment
Sensor and/or vapour concentration sensor are mounted in the food steamer of electric steamer and/or in the food steamer of top layer, to improve detection electricity
The accuracy of vapor (steam) temperature and/or vapour concentration in steamer.
According to one embodiment of present invention, the voltage of the electric steamer is input to reduce the electricity by controlling to reduce
The heating power of steamer, and/or steamed by controlling the duty ratio for the control signal for being input to the electric steamer with reducing the electricity
The average heating power of pot.
Heat stepwise control method according to an embodiment of the invention is input to the voltage of electric steamer by reducing, due to
Power P=UI, voltage U are reduced, then power P reduces, therefore reduction voltage can directly reduce the heating power of electric steamer；Pass through
Control is input to the duty ratio of the control signal of the electric steamer, namely makes electric steamer interrupter duty, can reduce electric steamer
Average heating power in certain time.
Embodiment according to a second aspect of the present invention, it is proposed that a kind of heat stepwise control device, including：Acquiring unit,
For obtaining the first preset time corresponding with heating mode is inputted and the second preset time；Control unit is connected to described
Acquiring unit, in first preset time, controlling the electric steamer and being heated, in second preset time
It is interior, it controls the electric steamer and stops heating.
Heat stepwise control device according to an embodiment of the invention, heating mode are corresponding with the first preset time and second
Preset time, while controlling electric steamer work in the first preset time and generating steam to heat food, in the second preset time
Stop heating, food is heated using the waste heat of high-temperature steam so that the high-temperature steam in electric steamer has obtained effectively
It utilizes, while being heated using the waste heat of electric steamer high-temperature steam so that the temperature of high-temperature steam is declined, and is avoided and is added
Heat terminates directly to open pot cover by the smoked wound of high-temperature steam, therefore, with continuous heating in the prior art until timing terminates phase
Than, control the second preset time do not heat, save electric energy, while vapor (steam) temperature declined avoid heating at the end of directly beat
Lid boil by the smoked wound of high-temperature steam.
According to one embodiment of present invention, further include：Storage unit, for it is corresponding store the heating mode and with
Corresponding first preset time of heating mode and second preset time；Reading unit, for reading input
Any heating mode；Searching unit is connected to the storage unit and the reading unit, for searching and the reading
Take corresponding first preset time of the heating mode that unit is read and second preset time.
Heat stepwise control device according to an embodiment of the invention, by by the first preset time and the second preset time
Storage corresponding with the heating mode so that in the heating mode for receiving input, can quickly find and the heating
Corresponding first preset time of pattern and the second preset time, it is simple and easy to do, while by selecting heating mode to can determine
First preset time and the second preset time, simplify operation.
Certainly, it will be apparent to a skilled person that the method for obtaining the first preset time and the second preset time
It is also very much, be not used to specifically limit herein, in another embodiment, can freely be set by user the first preset time and
Second preset time establishes relationship between the first preset time and the second preset time, obtains between total heating time
It obtains and gets the first preset time and the second preset time.
According to one embodiment of present invention, further include：Display unit shows the heating time of the electric steamer, wherein
The heating time of the heating mode is equal to the sum of first preset time and second preset time.
Heat stepwise control device according to an embodiment of the invention, although electric steamer is without work in the second preset time
Make, but the steam in electric steamer still has higher temperature, in order to continue heating simultaneously to food using the waste heat of high-temperature steam
Avoid user by the smoked wound of high-temperature steam, the second preset time still falls within the working time (heating time) of electric steamer, by aobvious
Show the heating time of electric steamer, such as：Countdown show electric steamer current heating mode remaining heating time, make user with
It is still working for electric steamer in the second preset time, the pot cover without opening electric steamer preferably avoids user from directly beating
Lid boil by the smoked wound of high-temperature steam.
According to one embodiment of present invention, further include：Judging unit, in first preset time, described in judgement
Whether temperature and/or vapour concentration in electric steamer are greater than or equal to preset value；Described control unit is additionally operable to described in judgement
When temperature and/or vapour concentration in electric steamer are greater than or equal to the preset value, control reduces the heating work(of the electric steamer
Rate or average heating power.
Heat stepwise control device according to an embodiment of the invention, by electric steamer vapor (steam) temperature be greater than or equal to
When vapour concentration is greater than or equal to default steam value in preset temperature and/or electric steamer, reduce the heating power or flat of electric steamer
Equal heating power saves energy consumption, improves electricity to control the vapor (steam) temperature in electric steamer and/or the vapour concentration in electric steamer
The efficiency of heating surface of steamer, avoid due to vapor (steam) temperature is excessively high in electric steamer and/or electric steamer in vapour concentration it is larger, largely
Water vapour take away a large amount of energy, waste electric energy, and a large amount of water vapour is discharged into kitchen and pollutes kitchen environment.
Specifically, the vapor (steam) temperature in electric steamer and/or vapour concentration can be by electric steamer inner walls
Temperature sensor and/or vapour concentration sensor are detected, certainly, can also be by temperature as more preferred embodiment
Sensor and/or vapour concentration sensor are mounted in the food steamer of electric steamer and/or in the food steamer of top layer, to improve detection electricity
The accuracy of vapor (steam) temperature and/or vapour concentration in steamer.
According to one embodiment of present invention, described control unit is additionally operable to be input to the electric steamer by controlling to reduce
Voltage with the heating power and/or described control unit that reduce the electric steamer be additionally operable to by control be input to the electricity
The duty ratio of the control signal of the heating unit of steamer is to reduce the average heating power of the electric steamer.
Heat stepwise control device according to an embodiment of the invention is input to the voltage of electric steamer by reducing, due to
Power P=UI, voltage U are reduced, then power P reduces, therefore reduction voltage can directly reduce the heating power of electric steamer；Pass through
Control is input to the duty ratio of the control signal of the electric steamer, namely makes electric steamer interrupter duty, can reduce electric steamer
Average heating power in certain time.
Embodiment according to a third aspect of the present invention, it is proposed that a kind of electric steamer, including：Multiple heating mode selection dresses
It sets；And the heat stepwise control device as described in any one of above-described embodiment.
Electric steamer according to an embodiment of the invention, by the way that heat stepwise control device is added in electric steamer so that electricity
Steamer carries out heating in the first preset time and generates steam to heat food, stops heating in the second preset time, utilizes height
The waste heat of warm steam heats food so that the high-temperature steam in electric steamer has obtained effective utilization, while utilizing electricity
The waste heat of steamer high-temperature steam is heated so that the temperature of high-temperature steam is declined, and is avoided heating and is terminated directly to open
Pot cover is by the smoked wound of high-temperature steam.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Fig. 1 shows the schematic flow diagram of heat stepwise control method according to an embodiment of the invention；
Fig. 2 shows the schematic diagrames of heat stepwise control method detailed process according to an embodiment of the invention；
Fig. 3 shows the structural schematic diagram of heat stepwise control device according to an embodiment of the invention；
Fig. 4 shows the structural schematic diagram of electric steamer according to an embodiment of the invention.
Specific implementation mode
To better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
To be implemented different from other modes described here using other, therefore, the present invention is not limited to following public specific realities
Apply the limitation of example.
Fig. 1 shows the schematic flow diagram of heat stepwise control method according to an embodiment of the invention.
As shown in Figure 1, heat stepwise control method according to an embodiment of the invention, including：Step 102, it obtains
The first preset time corresponding with the heating mode of input and the second preset time；Step 104, in first preset time
It is interior, it controls the electric steamer and is heated, in second preset time, control the electric steamer and stop heating.
Heating mode is corresponding with the first preset time and the second preset time, while controlling electricity in the first preset time and steaming
Pot work generates steam to heat food, stops heating in the second preset time, is carried out to food using the waste heat of high-temperature steam
Heating so that the high-temperature steam in electric steamer has obtained effective utilization, while being carried out using the waste heat of electric steamer high-temperature steam
It heating so that the temperature of high-temperature steam is declined, and is avoided heating end directly opening pot cover and is smoked wound by high-temperature steam, because
This, with continuous heating in the prior art until compared with timing terminates, the second preset time of control does not heat, and saves electric energy,
Vapor (steam) temperature is declined simultaneously avoid heating at the end of directly open pot cover by the smoked wound of high-temperature steam.
According to one embodiment of present invention, by first preset time and second preset time and the heating
Pattern corresponds to storage, wherein described to obtain first preset time corresponding with the heating mode of input and described second
Preset time the specific steps are：Read any heating mode of input；It searches corresponding with the heating mode
First preset time and second preset time.
By by the first preset time and the second preset time it is corresponding with the heating mode storage so that it is defeated receiving
When the heating mode entered, can quickly find the first preset time corresponding with the heating mode and second it is default when
Between, it is simple and easy to do, while by selecting heating mode to can determine the first preset time and the second preset time, simplifying behaviour
Make.
Certainly, it will be apparent to a skilled person that the method for obtaining the first preset time and the second preset time
It is also very much, be not used to specifically limit herein, in another embodiment, can freely be set by user the first preset time and
Second preset time establishes relationship between the first preset time and the second preset time, obtains between total heating time
It obtains and gets the first preset time and the second preset time.
According to one embodiment of present invention, it further include the heating time for showing the electric steamer, wherein the heating
The heating time of pattern is equal to the sum of first preset time and second preset time.
Although electric steamer is without working in the second preset time, the steam in electric steamer still has higher temperature,
In order to continue to heat to food using the waste heat of high-temperature steam while avoid user by the smoked wound of high-temperature steam, the second preset time is still
The working time (heating time) for so belonging to electric steamer, by the heating time of display electric steamer, such as：Countdown display electricity steams
The remaining heating time of the current heating mode of pot, user is made to think that electric steamer is still working in the second preset time, without
The pot cover of electric steamer can be opened, user is preferably avoided directly to open pot cover by the smoked wound of high-temperature steam.
As a kind of more specific embodiment, the stewing food time (the second preset time) is related with heating mode, each
Heating mode presets a fixed stewing food time, such as：The steamed sweet bun heating mode of electric steamer, when presetting stewing food
Between be 3min；Steamed spareribs pattern, it is 2min to preset the stewing food time, and the stewing food time presets, and is not user institute
Know, it is significantly more efficient to prevent from opening pot cover in stewing food phase user.Specifically, such as：When selecting steamed sweet bun heating mode, if
Fixed heating total time is 30min, then countdown namely display unit are opened from 30min since user has selected heating mode
Beginning countdown, but actually electric steamer has only worked 27min, and rear 3min boils in a covered pot over a slow fire food using high-temperature steam, and electric steamer does not work,
But still display 3min countdowns, avoid user from opening pot cover and smoke wound by high-temperature steam.
According to one embodiment of present invention, in first preset time, judge temperature in the electric steamer and/
Or whether vapour concentration is greater than or equal to preset value；Temperature and/or vapour concentration in the judgement electric steamer are more than or wait
When the preset value, control reduces the heating power or average heating power of the electric steamer.
By in electric steamer vapor (steam) temperature be greater than or equal to vapour concentration in preset temperature and/or electric steamer be more than or
When equal to default steam value, reduce the heating power or average heating power of electric steamer, to control the vapor (steam) temperature in electric steamer
And/or the vapour concentration in electric steamer, energy consumption is saved, the efficiency of heating surface of electric steamer is improved, avoids due to steam in electric steamer
Temperature is excessively high and/or electric steamer in vapour concentration it is larger, a large amount of water vapour takes away a large amount of energy, wastes electric energy, and
A large amount of water vapour, which is discharged into kitchen, pollutes kitchen environment.
Specifically, the vapor (steam) temperature in electric steamer and/or vapour concentration can be by electric steamer inner walls
Temperature sensor and/or vapour concentration sensor are detected, certainly, can also be by temperature as more preferred embodiment
Sensor and/or vapour concentration sensor are mounted in the food steamer of electric steamer or in the food steamer of top layer, to improve detection electricity
The accuracy of vapor (steam) temperature and/or vapour concentration in steamer.
According to one embodiment of present invention, the voltage of the electric steamer is input to reduce the electricity by controlling to reduce
The heating power of steamer, and/or steamed by controlling the duty ratio for the control signal for being input to the electric steamer with reducing the electricity
The average heating power of pot.
The voltage of electric steamer is input to by reducing, since power P=UI, voltage U are reduced, then power P reduces, therefore subtracts
Small voltage can directly reduce the heating power of electric steamer；The duty of the control signal of the electric steamer is input to by control
Than, namely make electric steamer interrupter duty, the average heating power in electric steamer certain time can be reduced.
Fig. 2 shows the schematic diagrames of heat stepwise control method detailed process according to an embodiment of the invention.
As shown in Fig. 2, by taking electric steamer as an example, the specific stream of heat stepwise control method according to an embodiment of the invention
Journey, including：
Step 202, after electric steamer starts and selects heating mode, the heating element of electric steamer starts heating with full power.
Step 204, when heating element heating with full power, steam generator generates water vapour.
Step 206, after steam generator generates water vapour, water vapour is begun in food steamer.
Step 208, with the continuous heating of heating element, the water vapor concentration in food steamer gradually increases.
Step 210, with the increase of the water vapor concentration in food steamer, the constant temperature in food steamer rises.
Step 212, judge whether the temperature t in food steamer is greater than or equal to vapour concentration in preset temperature t1 and/or food steamer
Whether P is greater than or equal to default vapour concentration value P1 thens follow the steps 214, otherwise executes step if t >=t1 and/or P >=P1
Rapid 204.
Step 214, in food steamer temperature t be greater than or equal to vapour concentration P in preset temperature t1 and/or food steamer be more than or
When equal to default vapour concentration value P1, the main control chip control in electric steamer reduces the heating power of electric steamer or averagely heats work(
Rate.
Step 216, the heating power of electric steamer reduces, and the quantity of steam that steam generator generates reduces, the steaming in electric steamer
Vapour concentration declines so that the temperature in electric steamer is stablized in preset temperature t1.
Step 218, judge whether the heating time of electric steamer reaches the first preset time T 0, it is pre- that heating time reaches first
It is no to then follow the steps 204 if executing step 220 when time T0.
Step 220, when heated between when reaching the first preset time T 0, heating element stops heating, utilizes high-temperature steam
Waste heat continue to heat.
Step 222, by the second preset time, heat foods finish, and prompt user to cook and complete.
Fig. 3 shows the structural schematic diagram of heat stepwise control device according to an embodiment of the invention.
As shown in figure 3, heat stepwise control device 300 according to an embodiment of the invention, including：Acquiring unit 302 is used
In acquisition the first preset time corresponding with input heating mode and the second preset time；Control unit 304 is connected to described
Acquiring unit 302, in first preset time, controlling the electric steamer and being heated, when described second is default
In, it controls the electric steamer and stops heating.
Heating mode is corresponding with the first preset time and the second preset time, while controlling electricity in the first preset time and steaming
Pot work generates steam to heat food, stops heating in the second preset time, is carried out to food using the waste heat of high-temperature steam
Heating so that the high-temperature steam in electric steamer has obtained effective utilization, while being carried out using the waste heat of electric steamer high-temperature steam
It heating so that the temperature of high-temperature steam is declined, and is avoided heating end directly opening pot cover and is smoked wound by high-temperature steam, because
This, with continuous heating in the prior art until compared with timing terminates, the second preset time of control does not heat, and saves electric energy,
Vapor (steam) temperature is declined simultaneously avoid heating at the end of directly open pot cover by the smoked wound of high-temperature steam.
According to one embodiment of present invention, further include：Storage unit 306, for it is corresponding store the heating mode with
And first preset time corresponding with the heating mode and second preset time；Reading unit 308, for reading
Take any heating mode of input；Searching unit 310 is connected to the storage unit 306 and the reading unit 308,
Corresponding first preset time of heating mode for searching with the reading unit 308 is read and described second pre-
If the time.
By by the first preset time and the second preset time it is corresponding with the heating mode storage so that it is defeated receiving
When the heating mode entered, can quickly find the first preset time corresponding with the heating mode and second it is default when
Between, it is simple and easy to do, while by selecting heating mode to can determine the first preset time and the second preset time, simplifying behaviour
Make.
Certainly, it will be apparent to a skilled person that the method for obtaining the first preset time and the second preset time
It is also very much, be not used to specifically limit herein, in another embodiment, can freely be set by user the first preset time and
Second preset time establishes relationship between the first preset time and the second preset time, obtains between total heating time
It obtains and gets the first preset time and the second preset time.
According to one embodiment of present invention, further include：Display unit 312 shows the heating time of the electric steamer,
In, the heating time of the heating mode is equal to the sum of first preset time and second preset time.
Although electric steamer is without working in the second preset time, the steam in electric steamer still has higher temperature,
In order to continue to heat to food using the waste heat of high-temperature steam while avoid user by the smoked wound of high-temperature steam, the second preset time is still
The working time (heating time) for so belonging to electric steamer, by the heating time of display electric steamer, such as：Countdown display electricity steams
The remaining heating time of the current heating mode of pot, user is made to think that electric steamer is still working in the second preset time, without
The pot cover of electric steamer can be opened, user is preferably avoided directly to open pot cover by the smoked wound of high-temperature steam.
According to one embodiment of present invention, further include：Judging unit 314 judges institute in first preset time
Whether the temperature or vapour concentration stated in electric steamer are greater than or equal to preset value；Described control unit 304 is additionally operable in judgement institute
It states temperature in electric steamer and/or when vapour concentration is greater than or equal to the preset value, control reduces the heating of the electric steamer
Power or average heating power.
By in electric steamer vapor (steam) temperature be greater than or equal to vapour concentration in preset temperature and/or electric steamer be more than or
When equal to default steam value, reduce the heating power or average heating power of electric steamer, to control the vapor (steam) temperature in electric steamer
And/or the vapour concentration in electric steamer, energy consumption is saved, the efficiency of heating surface of electric steamer is improved, avoids due to steam in electric steamer
Temperature is excessively high and/or electric steamer in vapour concentration it is larger, a large amount of water vapour takes away a large amount of energy, wastes electric energy, and
A large amount of water vapour, which is discharged into kitchen, pollutes kitchen environment.
Specifically, the vapor (steam) temperature in electric steamer and/or vapour concentration can be by electric steamer inner walls
Temperature sensor and/or vapour concentration sensor are detected, certainly, can also be by temperature as more preferred embodiment
Sensor and/or vapour concentration sensor are mounted in the food steamer of electric steamer or in the food steamer of top layer, to improve detection electricity
The accuracy of vapor (steam) temperature and/or vapour concentration in steamer.
According to one embodiment of present invention, described control unit 304 is additionally operable to be input to the electricity by controlling to reduce
The voltage of steamer is additionally operable to be input to by control with the heating power and/or described control unit 304 that reduce the electric steamer
The duty ratio of the control signal of the electric steamer is to reduce the average heating power of the electric steamer.
The voltage of electric steamer is input to by reducing, since power P=UI, voltage U are reduced, then power P reduces, therefore subtracts
Small voltage can directly reduce the heating power of electric steamer；The duty of the control signal of the electric steamer is input to by control
Than, namely make electric steamer interrupter duty, the average heating power in electric steamer certain time can be reduced.
Fig. 4 shows the structural schematic diagram of electric steamer according to an embodiment of the invention.
As shown in figure 4, electric steamer according to an embodiment of the invention, including：Multiple heating mode selection devices are (in figure not
It shows)；And the heat stepwise control device 300 as described in any one of above-described embodiment.
By the way that heat stepwise control device 300 is added in electric steamer so that electric steamer carries out in the first preset time
Heating generates steam to heat food, stops heating in the second preset time, is added to food using the waste heat of high-temperature steam
Heat so that the high-temperature steam in electric steamer has obtained effective utilization, while being added using the waste heat of electric steamer high-temperature steam
Heat so that the temperature of high-temperature steam is declined, and is avoided heating and is terminated directly to open pot cover by the smoked wound of high-temperature steam.
As shown in figure 4, the operation principle of electric steamer according to an embodiment of the invention is described in detail by taking steamed sweet bun as an example.It is first
First, a certain amount of water is added into electric steamer water tank 402, is then placed in steamed bun 404, and cover pot cover.At this point, user selects to steam
The heating element 406 of steamed bun heating mode, electric steamer is started to work, and steam generation facility 408 starts to generate water vapour 410, and
410 concentration of water vapour gradually increases, and temperature gradually rises in food steamer 412.When temperature is greater than or equal to preset temperature in food steamer 412
When (such as 98 DEG C), the control of main control chip 414 reduces the heating power of heating element 406 or control is input to heating element 406
The duty ratio of PWM (Pulse Width Modulation, pulsewidth width modulated) signal is added with reducing the average of heating element 406
Thermal power so that temperature keeps stabilization and not waste of energy in food steamer 412.Reach first when the heating time of heating element 406
When preset time, heating element 406 stops heating, and within second scheduled time, electric steamer utilizes the high-temperature water in food steamer 412 to steam
The waste heat of vapour 410 continues to heat to steamed bun 404, efficiently uses the energy of the water vapour 410 of electric steamer, and in time period, main
The countdown that the control of chip 414 can not open the pot cover of electric steamer or control display unit continues heating time is controlled to show,
User is set to think that culinary art does not complete also without going to open pot cover, until reached for the second predetermined time, the temperature in food steamer 412 at this time
Degree decreases, to avoid user by the smoked wound of high-temperature steam.
It is described in detail according to the technique and scheme of the present invention above in association with attached drawing, technical solution through the invention so that
The energy that electric steamer can efficiently use water vapour heats food, saves electric energy, while avoiding at the end of heating directly
Electric steamer is opened by the smoked wound of high-temperature steam.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of heat stepwise control method is used for electric steamer, which is characterized in that including：
By the storage corresponding with heating mode of the first preset time and the second preset time；Read any heated mould of input
Formula；
Search first preset time corresponding with the heating mode and second preset time；
It in first preset time, controls the electric steamer and is heated, in second preset time, described in control
Electric steamer stops heating；
Show the heating time of the electric steamer, wherein the heating time of the heating mode is equal to first preset time
The sum of with second preset time.
2. heat stepwise control method according to claim 1, which is characterized in that further include：
In first preset time, it is pre- to judge whether temperature and/or vapour concentration in the electric steamer are greater than or equal to
If value；
When temperature and/or vapour concentration in the judgement electric steamer are greater than or equal to the preset value, described in control reduction
The heating power or average heating power of electric steamer.
3. heat stepwise control method according to claim 2, which is characterized in that
The voltage of the electric steamer is input to reduce the heating power of the electric steamer by controlling to reduce, and/or passes through control
System is input to the duty ratio of the control signal of the electric steamer to reduce the average heating power of the electric steamer.
4. a kind of heat stepwise control device is used for electric steamer, which is characterized in that including：
Acquiring unit, for obtaining the first preset time corresponding with heating mode is inputted and the second preset time；
Control unit is connected to the acquiring unit, in first preset time, controlling the electric steamer and being added
Heat controls the electric steamer and stops heating in second preset time.
5. heat stepwise control device according to claim 4, which is characterized in that further include：
Storage unit, for it is corresponding store the heating mode and it is corresponding with the heating mode it is described first it is default when
Between and second preset time；
Reading unit, any heating mode for reading input；
Searching unit is connected to the storage unit and the reading unit, is read with the reading unit for searching
Corresponding first preset time of heating mode and second preset time.
6. heat stepwise control device according to claim 4 or 5, which is characterized in that further include：
Display unit shows the heating time of the electric steamer, wherein the heating time of the heating mode is equal to described first
The sum of preset time and second preset time.
7. heat stepwise control device according to claim 4 or 5, which is characterized in that further include：
Judging unit judges whether the temperature and/or vapour concentration in the electric steamer are more than in first preset time
Or it is equal to preset value；
Described control unit is additionally operable to judging that it is described default that temperature in the electric steamer and/or vapour concentration are greater than or equal to
When value, control reduces the heating power or average heating power of the electric steamer.
8. heat stepwise control device according to claim 7, which is characterized in that
Described control unit is additionally operable to be input to the voltage of the electric steamer by controlling to reduce to reduce adding for the electric steamer
Thermal power and/or described control unit are additionally operable to be input to the control signal of the heating unit of the electric steamer by control
Duty ratio is to reduce the average heating power of the electric steamer.
9. a kind of electric steamer, which is characterized in that including：
Heating mode selection device；And
Heat stepwise control device as described in any one of claim 4 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410206977.9A CN105078216B (en) | 2014-05-15 | 2014-05-15 | Heat stepwise control method, heat stepwise control device and electric steamer |
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| CN201410206977.9A CN105078216B (en) | 2014-05-15 | 2014-05-15 | Heat stepwise control method, heat stepwise control device and electric steamer |
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| CN105078216B true CN105078216B (en) | 2018-07-27 |
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| CN108926231B (en) * | 2017-05-27 | 2021-05-25 | 佛山市顺德区美的电热电器制造有限公司 | Method and device for displaying cooking countdown time, storage medium and cooking appliance |
| CN108354440B (en) * | 2018-02-06 | 2021-04-02 | 广东美的厨房电器制造有限公司 | Cooking control method, cooking control device and cooking equipment |
| CN110244801B (en) * | 2018-03-07 | 2020-11-06 | 深圳市鑫汇科股份有限公司 | Rice cooking apparatus and rice cooking control method |
| CN108577500B (en) * | 2018-06-05 | 2020-08-18 | 珠海格力电器股份有限公司 | Cooking utensil and control method thereof |
| CN108903673A (en) * | 2018-08-15 | 2018-11-30 | 珠海格力电器股份有限公司 | A kind of control method and cooking apparatus of cooking apparatus |
| CN109681930B (en) * | 2018-10-31 | 2021-03-16 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of induction cooker and induction cooker |
| CN111166155B (en) * | 2018-11-12 | 2022-03-15 | 九阳股份有限公司 | Cooking control method of steam heating type cooking appliance |
| CN112167995A (en) * | 2020-09-21 | 2021-01-05 | 珠海格力电器股份有限公司 | Multi-stage cooking control method and device, cooking equipment and storage medium |
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| JP3827013B2 (en) * | 2004-03-19 | 2006-09-27 | シャープ株式会社 | Steam cooker |
| CN100464680C (en) * | 2006-07-07 | 2009-03-04 | 美的集团有限公司 | Cooking method of multifunctional electric cooker |
| EP2338390A1 (en) * | 2009-12-28 | 2011-06-29 | Koninklijke Philips Electronics N.V. | Low temperature steaming functionality - power steering |
| CN102389254B (en) * | 2011-09-02 | 2013-12-25 | 广东伊立浦电器股份有限公司 | Temperature control method of electric heating kitchenware |
| CN203591157U (en) * | 2013-11-29 | 2014-05-14 | 北京怡莲礼业科技发展有限公司 | Electric food warmer |
| CN203647047U (en) * | 2013-12-04 | 2014-06-18 | 广东美的生活电器制造有限公司 | Heating kettle |
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