CN105996805A - Control method for domestic electric oven - Google Patents
Control method for domestic electric oven Download PDFInfo
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- CN105996805A CN105996805A CN201610557751.2A CN201610557751A CN105996805A CN 105996805 A CN105996805 A CN 105996805A CN 201610557751 A CN201610557751 A CN 201610557751A CN 105996805 A CN105996805 A CN 105996805A
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
- A47J37/0641—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements with forced air circulation, e.g. air fryers
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
- A47J37/1204—Deep fat fryers, e.g. for frying fish or chips for domestic use
- A47J37/1209—Deep fat fryers, e.g. for frying fish or chips for domestic use electrically heated
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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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/12—Deep fat fryers, e.g. for frying fish or chips
- A47J37/1266—Control devices, e.g. to control temperature, level or quality of the frying liquid
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Baking, Grill, Roasting (AREA)
Abstract
The invention relates to the field of kitchen appliances and especially relates to a control method for a domestic electric oven. The electric oven provided by the invention comprises a shell and a cooking chamber, a hot air device, a control unit and a temperature sensor which are arranged in the shell, wherein the hot air device comprises a heating element and a fan; the fan is used for guiding the heat of the heating element into the cooking chamber; and a corresponding relation between a preset temperature T and a fan rotating speed A is stored in the control unit. The control method for the domestic electric oven comprises the following steps: detecting the temperature in the cooking chamber by the control unit through the temperature sensor; changing the rotating speed of the fan following the change of the detected temperature in the cooking chamber; and then adjusting the temperature in the cooking chamber. The control unit controls the rotating speed of the fan through the detected temperature so as to control the temperature of the cooking chamber, so that the change of the temperature in the cooking chamber is slighter, the fluctuation range is small and the impact of hot air flow to an air fryer component is reduced.
Description
Technical field
The present invention relates to field of kitchen electric appliance, particularly relate to the control method of a kind of Household electric oven.
Background technology
Household electric oven includes the electrical equipment for baking such as air fryer, electric baker and food oven, the heat that electric oven is typically to utilize electric heater to produce cooks the food in cooking cavity as thermal source, at present electric oven is all to add the break-make of heat pipe by control to complete to the control of temperature range in cooking cavity, there is the problem that temperature control is inaccurate.The air fryer food of cooking cavity heated now with a kind of hot air apparatus by being arranged in housing, the hot air apparatus of air fryer includes fan and heating element heater, but the control of temperature range in cooking cavity is remained and adds what the break-make of heat pipe completed by control by air fryer, such control mode, add heat pipe on-off action frequently, cause the temperature fluctuation amplitude in cooking cavity big, temperature in cooking cavity is controlled inaccurate, it is constant for also having the rotation speed of the fan in thermal, rotating speed is higher, moisture content lost more of food can be caused, thus affect cooking quality and the taste of food cooking.
Summary of the invention
It is an object of the invention to provide a kind of electric oven, in particular for the control method of Household electric oven.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that
A kind of control method of Household electric oven, described electric oven includes housing, the cooking cavity being located in housing, hot air apparatus, control unit and temperature sensor, described hot air apparatus includes heating element heater and fan, the heat of heating element heater is guided to described cooking cavity by fan, control unit internal memory contains preset temperature T and the corresponding relation of rotation speed of the fan A, and described control method includes:
Control unit is by the temperature in temperature sensor detection cooking cavity；
Described rotation speed of the fan changes along with the change of the culinary art cavity temperature detected, accordingly to regulate the temperature in cooking cavity.
Further, described control method includes promoting in cooking cavity the temperature rise period of cooking temp, and the control method of described temperature rise period is:
Corresponding gear n is selected by guidance panel, target temperature corresponding for gear n is Tn, starts described electric oven, heating element heats, control unit is by the cooking temp in temperature sensor detection cooking cavity, the relatively relation of described cooking temp S and described preset temperature T；
When the cooking temp S detected is less than described target temperature Tn, control unit controls rotation speed of the fan A and runs with the corresponding rotating speed An less than target temperature Tn, is guided to described cooking cavity by the heat of heating element heater.
Further, the concrete steps of described temperature rise period control method:
Described fan first runs with the rotating speed A1 that initial temperature T0 is corresponding, and when described cooking temp S is less than described first preset temperature T1, control unit controls fan and continues to run with rotating speed A1；When described cooking temp S rises to described first preset temperature T1 and is less than described second preset temperature T2, control unit controls fan and runs with rotating speed A2；Continuing to heat up, gradual control, when cooking temp S reaches (n-1)th grade of preset temperature Tn-1, control unit controls fan and runs with rotating speed An, until it reaches target temperature Tn；
Wherein: T0 ＜ T1 ＜ T2 ＜ Tn-1 ＜ Tn, A1 ＜ A2 ＜ An, A1 correspondence preset temperature: T0≤T ＜ T1；A2 correspondence preset temperature: T1≤T ＜ T2；An correspondence preset temperature: Tn-1≤T ＜ Tn.
Further, described control method includes regulating in cooking cavity the constant temperature stage of cooking temp, and the control method in described constant temperature stage is:
Temperature adjustment value Wn-1 and Wn+1 corresponding with described preset temperature T-phase, and Wn-1 ＜ Tn ＜ Wn+1 it is provided with in described control unit；
When control unit detects described cooking temp S more than temperature adjustment value Wn+1 by temperature sensor, control unit controls described fan and runs with rotating speed An, and described heating element heater stops heating or continues heating；When described cooking temp S is reduced to temperature adjustment value Wn-1, control unit controls described fan and runs with rotating speed An-1, described heating element heats；
As a cycle of operation, the cooking temp that control unit controls in described cooking cavity is stable at default temperature range.
Further, described electric oven includes the motor driving fan, and described motor is the buncher with many grades of rotating speeds.
Further, when described electric oven starts, control motor and run with deep low gear rotating speed.
Further, described preset temperature includes at least the first preset temperature T1, the second preset temperature T2 and the 3rd preset temperature T3.
Further, described hot air apparatus is arranged at the top of described cooking cavity, and described temperature sensor is located on the inwall at cooking cavity top.
Further, described electric oven includes the air outlet connected with described cooking cavity, and this air outlet scalable.
Further, the area of described temperature rise period air outlet is less than the area of described constant temperature stage air outlet.
The invention has the beneficial effects as follows:
null1. the described electric oven that the present invention provides includes housing、The cooking cavity being located in housing、Hot air apparatus、Control unit and temperature sensor，Described hot air apparatus includes heating element heater and fan，The heat of heating element heater is guided to described cooking cavity by fan，Control unit internal memory contains preset temperature T and the corresponding relation of rotation speed of the fan A，The control method of described electric oven includes: control unit is by the temperature in temperature sensor detection cooking cavity，Described rotation speed of the fan changes accordingly along with the change of the culinary art cavity temperature detected，With the temperature in regulation cooking cavity，Owing to the temperature controlled fan rotating speed by detecting controls the temperature of cooking cavity，So variations in temperature in cooking cavity more relaxes，Fluctuating margin is little，So that the temperature in cooking cavity controls more accurate，And make culinary art cavity temperature more uniform by hot-air flowing heating，Decrease the impact to electric oven device of the hot-air stream simultaneously.
2. the control method of the temperature rise period in control method described in is:
Corresponding gear n is selected by guidance panel, target temperature corresponding for gear n is Tn, starts described electric oven, heating element heats, control unit is by the cooking temp in temperature sensor detection cooking cavity, the relatively relation of described cooking temp S and described preset temperature T；
When the cooking temp S detected is less than described target temperature Tn, control unit controls rotation speed of the fan A and runs with the corresponding rotating speed An less than target temperature Tn.
The control method of this temperature rise period raises interval according to the temperature in cooking cavity, control unit controls rotation speed of the fan also with raising, reduce unnecessary the scattering and disappearing of the heat in cooking cavity, to the culinary art more rapid intensification of cavity space, shorten cooking time, avoid waiting as long for of user, affect user's cooking efficiency.
3. control method described in includes regulating in cooking cavity the constant temperature stage of cooking temp, the control method in described constant temperature stage is: be provided with temperature adjustment value Wn-1 and Wn+1 corresponding with described preset temperature T-phase, and Wn-1 ＜ Tn ＜ Wn+1 in described control unit；When control unit detects described cooking temp S more than temperature adjustment value Wn+1 by temperature sensor, control unit controls described fan and runs with rotating speed An, and described heating element heater stops heating or continues heating；When described cooking temp S is reduced to temperature adjustment value Wn-1, control unit controls described fan and runs with rotating speed An-1, described heating element heats.As a cycle of operation, the cooking temp that control unit controls in described cooking cavity is stable at default temperature range, culinary art cavity temperature is regulated by rotation speed of the fan, it is more accurate that temperature controls, the fluctuating margin scope making culinary art cavity temperature is narrower, more stably approaching the target temperature of food materials culinary art, the food cooked is more delicious.
The most concrete, described electric oven includes the motor driving fan, and described motor is the buncher with many grades of rotating speeds, the convenient regulation to rotation speed of the fan, and the structure of simplified control circuit is arranged.
5., when electric oven described in starts, control motor and run with deep low gear rotating speed, reduce startup noise, it is to avoid noise unexpected during startup, quiet startup, then gradually step up the rotating speed of fan, bring the experience that user is more comfortable.
6. hot air apparatus described in is arranged at the top of described cooking cavity, described temperature sensor is located on the inwall at cooking cavity top, owing to hot-air density is low, therefore hot-air can move upward, the hot air apparatus with fan is arranged on cooking cavity top, the heat at top is moved downward by the wind that fan produces, and blows to cooking cavity everywhere, is conducive to maintaining the uniformity of culinary art cavity temperature.
7. electric oven described in includes the air outlet connected with described cooking cavity, and this air outlet scalable.The regulation of air outlet area so that the control that food materials are cooked by electric oven is more accurate, it is possible to water content in regulation food, delicious food is better to eat.
8. the area of described temperature rise period air outlet is set smaller than the area of described constant temperature stage air outlet, in the temperature rise period, makes the temperature of cooking cavity increase faster, shorten the waiting time of culinary art.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below.
Fig. 1 is the structural representation of embodiment of the present invention electric oven；
Fig. 2 is the control method flow chart of embodiment of the present invention electric oven temperature rise period；
Fig. 3 is the cooking temp curve synoptic diagram of embodiment of the present invention electric oven.
Reference: 1-upper shell, 11-containing cavity, 2-lower house, 3-cavity, 31-cooking cavity, 41-adds heat pipe, 42-fan, 43-motor, 44-cover plate, 5-master control borad, 6-temperature sensor, and 7-complains and quarrel loudly, 71-handle, 72-fry basket, 73-inner bag, 8-air outlet.
Detailed description of the invention
Embodiment one.
nullSuch as Fig. 1、Shown in Fig. 2，A kind of electric oven，Including upper shell 1、The fryer 7 of lower house 2 and cooking food，It is provided with cavity 3 in described lower house 2，Fryer 7 can releasably be arranged in described cavity 3，Described fryer 7 cooperatively forms cooking cavity 31 with cavity 3，It is provided with hot air apparatus in upper shell 1、Control unit、Air channel、Temperature sensor 6，Described control unit and hot air apparatus are arranged on the top of cooking cavity 3，Described hot air apparatus includes adding heat pipe 41、Fan 42 and the motor 43 of driving fan，The described heat pipe 41 that adds includes that snail adds heat pipe，Described fan 42 is arranged on snail and adds the top of heat pipe，Described fan 42 be arranged over cover plate 44，Described cover plate 44 forms containing cavity 11 with upper shell 1，Control unit is arranged in described containing cavity 11，Described control unit includes the master control borad 5 with memory element，Described master control borad 5 controls the rotation of motor 43，Thus drive fan 42 to rotate，Temperature sensor 6 electrically connects with master control borad 5，Described temperature sensor 6 adds heat pipe 41 near snail and arranges，Described temperature sensor 6 is for detecting the temperature in cooking cavity.
Described fryer 7 includes handle 71, inner bag 73 and the unsettled fry basket 72 being placed in inner bag 73, and wherein handle generally matches with the temperature control knob profile on fryer lower house 2, good looking appearance；Fry basket 72, for placing by fried food, fry basket 72 wall is usually provided with air vent, and when fan 42 rotates, when fan 42 drives thermal current to circulate, thermal current passes described through hole, makes thermal current evenly contact with food.During user uses, easily fryer moving body can be taken out from the cavity 3 of lower house 2 by handle 71 or put into cavity 3.
When food is cooked by needs, first food is placed in fry basket 72, then the fryer with fry basket is put into cavity 3, complain and quarrel loudly and cavity 3 forms cooking cavity 31, start electric oven work, master control borad 5 controls helical heating pipe heating and electric machine rotation, driven by motor fan 42 rotates, snail is added the heat that heat pipe 41 produces and guides described cooking cavity 31 along air channel into by fan 42, thermal current is centrifuged blowout by fan and the sidewall along cooking cavity moves downward, turn back after moving to cavity bottom, owing to air-flow is blowed to cooking cavity sidewall by fan, therefore, in fan intermediate formation negative pressure, middle air-flow moves upward, thus in cooking cavity, form the air-flow of circulation, thus effectively food is heated.Along with fan 42 gyrates, hot blast circulates in effectively realizing in described cooking cavity 31.
The sidepiece of described upper shell 1 is provided with air outlet 8, and described cooking cavity 31 is connected with ambient atmosphere by air outlet 8.When fan 42 rotates, drive the air circulation flow of cooking cavity, food in cooking cavity is uniformly heated, when in cooking cavity 31, the air heats bulbs of pressure increase, thermal current unnecessary in cooking cavity can be flowed out by air outlet 8, pressure in active balance cooking cavity 31, is conducive to accurately controlling the temperature in cooking cavity simultaneously.
In the present embodiment, the control method of the culinary art heating of electric oven is: control unit is by the temperature in temperature sensor detection cooking cavity, described rotation speed of the fan changes accordingly along with the change of the culinary art cavity temperature detected, with the temperature in regulation cooking cavity, owing to the temperature controlled fan rotating speed by detecting regulates the temperature of cooking cavity, so variations in temperature in cooking cavity more relaxes, and fluctuating margin is little, and makes culinary art cavity temperature more uniform by hot-air flowing heating.
Concrete, in the present embodiment, according to above-mentioned control method, electric oven starts the control method heated up and is:
The memory cell of the master control borad 5 of electric oven contains preset temperature T and the mapping table of rotation speed of the fan A, corresponding gear n is selected by guidance panel, target temperature corresponding for gear n is Tn, start described electric oven, heating element heats, control unit is by the cooking temp in temperature sensor detection cooking cavity, the relatively relation of described cooking temp S and described preset temperature T；
When the cooking temp S detected is less than described target temperature Tn, controls rotation speed of the fan A and run with the corresponding rotating speed An less than target temperature Tn.This stage control is interval according to variations in temperature in the cooking cavity detected, control unit controls rotation speed of the fan and changes accordingly, the slow-speed of revolution is used to run fan temperature is low when, reduce unnecessary the scattering and disappearing of the heat in cooking cavity, to the culinary art more rapid intensification of cavity space, it is also beneficial to cooking uniformity intracavity temperature everywhere rapidly.
The present embodiment, concretely comprising the following steps of this electric oven temperature rise period control method:
The memory cell of the master control borad 5 of electric oven contains preset temperature T and the mapping table of rotation speed of the fan A: the temperature rise period: T0 ＜ T1 ＜ T2 ＜ T3, A1 ＜ A2 ＜ A3, A1 correspondence preset temperature is interval: T0≤T ＜ T1；A2 correspondence preset temperature is interval: T1≤T ＜ T2；A3 correspondence preset temperature is interval: T2≤T ＜ T3.
Needed for selecting food by the guidance panel of electric oven, target temperature cooks gear accordingly, start electric oven, master control borad 5 controls helical heating pipe heating, and control motor runs with the minimum speed A1 that initial temperature T0 is corresponding, driven by motor fan 42 rotates, and snail is added the heat that heat pipe 41 produces and guides described cooking cavity 31 along air channel into by fan 42；
Master control borad 5, by the cooking temp in temperature sensor detection cooking cavity, then, compares the magnitude relationship of described cooking temp S and the described preset temperature T detected；
When described cooking temp S is less than described first preset temperature T1, master control borad 5 controls fan and continues to run with rotating speed A1；When described cooking temp S rises to described first preset temperature T1 and is less than described second preset temperature T2, master control borad 5 controls fan and runs with rotating speed A2；When cooking temp S reaches the 3rd preset temperature T2, master control borad 5 controls fan and runs with rotating speed An, until it reaches target temperature Tn；
After cooking temp S reaches target temperature Tn, the temperature rise period terminates, and in order to make food cooking temperature relative constancy, the food of culinary art is better to eat, and after the temperature rise period terminates, Household electric oven enters the constant temperature stage of culinary art.
In the present embodiment, fan is driven by motor, and rotation speed of the fan A is identical with described motor speed, and described motor maximum speed is 3000rpm, is divided into 3 gears, and its gear rotating speed is respectively as follows: A1=1000 rev/min, A2=2000 rev/min, A3=3000 rev/min；Corresponding preset temperature point is respectively as follows: T0=0 DEG C, T1=120 DEG C, T2=160 DEG C, T3=200 DEG C.
It is appreciated that described preset temperature T can select according to actual needs, such as 0 DEG C, 30 DEG C, 60 DEG C, 80 DEG C, 100 DEG C, 120 DEG C, 140 DEG C, 160 DEG C, 180 DEG C, 190 DEG C, 200 DEG C.When preset temperature is too low, food mouthfeel is relatively poor, when preset temperature is too high, may scald user.
It is appreciated that the rotating speed A of fan can regulate according to practical situation, such as 500 revs/min, 1000 revs/min, 1500 revs/min, 2000 revs/min, 2500 revs/min, 3000 revs/min.If the rotating speed of fan is too low, its wind-force is more weak, it is impossible to heat blows to downwards cooking cavity completely, if the rotating speed of fan is too high, then the noise of fan is excessive, affects surrounding.
In the present embodiment, described motor is the buncher with many grades of rotating speeds, general gear motor, and simplified control circuit is arranged.
It is appreciated that described motor can also be common electric machine, then by controllable silicon, motor is carried out speed governing.
Embodiment two.
The present embodiment is from the difference of embodiment one: described control method also includes that the control method regulating the constant temperature stage that cooking temp tends towards stability and air outlet arrange different, and other structure of the present embodiment electric oven arranges identical with the control method of temperature rise period with the electric oven of embodiment one.
As it is shown on figure 3, Household electric oven is after the temperature rise period terminates, entering into the constant temperature stage of culinary art, the control method in constant temperature stage is:
The memory cell of the master control borad 5 of electric oven contains the parameter preset in constant temperature stage: the thermoregulator upper lower limit value corresponding with described preset temperature T-phase: Wn-1 and Wn+1, and Wn-1 ＜ Tn ＜ Wn+1.
Master control borad 5 by temperature sensor detect described cooking temp S more than temperature adjustment value Wn+1 time, master control borad 5 control described fan with rotating speed An run, described in add heat pipe stop heating；When described cooking temp S is reduced to temperature adjustment value Wn-1, master control borad 5 control described fan with rotating speed An-1 run, described in add heat pipes heat.As a cycle of operation, constantly circulating, master control borad 5 controls the cooking temp in described cooking cavity and is stable at default temperature range.
Certainly, during the constant temperature stage, when control unit detects described cooking temp S more than temperature adjustment value Wn+1 by temperature sensor, the described heat pipe that adds can also continue to heating, rotated by fan and regulate temperature, relatively adding heat pipe to quit work, it is milder that the temperature of the method declines curve, but can extend fall time.
It is appreciated that, the fluctuating margin size in constant temperature stage can be controlled according to practical situation, i.e. being controlled the thermoregulator limit value Wn-1 corresponding with described preset temperature T-phase and Wn+1 difference range, the difference of Wn+1 Yu Wn-1 may is that 5 DEG C, 10 DEG C, 15 DEG C, 20 DEG C.
More excellent setting is, the size of the air outlet that the cooking cavity of described electric oven is in communication with the outside is adjustable.In the present embodiment, air outlet is provided with mobilizable blade, the form of similar shutter, and when in the temperature rise period, the moving vane of air outlet is closed, so that heat is at culinary art cavity circulation, it is to avoid scattering and disappearing of heat；When in the constant temperature stage, the moving vane of air outlet can adjust air port size along with constant temperature target temperature difference, and more air-flow can be flowed out by air outlet, it is ensured that enough cooking food heat is simultaneously, reduces the thermal current impact to electric oven device.
When being appreciated that the described temperature rise period, air outlet is also openable, and compared to the described constant temperature stage, the area opened of described temperature rise period air outlet is less than the area of described constant temperature stage air outlet.
It is appreciated that the air outlet regulation of the application is also not limited to the form of similar shutter, other traditional regulation modes, all should belong to the protection domain of the application.
The above; being only the detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (10)
1. the control method of a Household electric oven, described electric oven includes housing, the cooking cavity being located in housing, hot air apparatus, control unit and temperature sensor, described hot air apparatus includes heating element heater and fan, the heat of heating element heater is guided to described cooking cavity by fan, control unit internal memory contains preset temperature T and the corresponding relation of rotation speed of the fan A, it is characterized in that, described control method includes:
Control unit is by the temperature in temperature sensor detection cooking cavity；
Described rotation speed of the fan changes along with the change of the culinary art cavity temperature detected, to regulate the temperature in cooking cavity.
Control method the most according to claim 1, it is characterised in that described control method includes promoting in cooking cavity the temperature rise period of cooking temp, and the control method of described temperature rise period is:
Corresponding gear n is selected by guidance panel, target temperature corresponding for gear n is Tn, starts described electric oven, heating element heats, control unit is by the cooking temp in temperature sensor detection cooking cavity, the relatively relation of described cooking temp S and described preset temperature T；
When the cooking temp S detected is less than described target temperature Tn, control unit controls rotation speed of the fan A and runs with the corresponding rotating speed An less than target temperature Tn.
Control method the most according to claim 2, it is characterised in that the concrete steps of described temperature rise period control method:
Described fan first runs with rotating speed A1 corresponding for preset temperature T0, and when described cooking temp S is less than described first preset temperature T1, control unit controls fan and continues to run with rotating speed A1；When described cooking temp S rises to described first preset temperature T1 and is less than described second preset temperature T2, control unit controls fan and runs with rotating speed A2；Continuing to heat up, gradual control, when cooking temp S reaches (n-1)th grade of preset temperature Tn-1, control unit controls fan and runs with rotating speed An, until it reaches target temperature Tn；
Wherein: T0 ＜ T1 ＜ T2 ＜ Tn-1 ＜ Tn, A1 ＜ A2 ＜ An, A1 correspondence preset temperature: T0≤T ＜ T1；A2 correspondence preset temperature: T1≤T ＜ T2；An correspondence preset temperature: Tn-1≤T ＜ Tn.
Control method the most according to claim 1, it is characterised in that described control method includes regulating in cooking cavity the constant temperature stage of cooking temp, and the control method in described constant temperature stage is:
Temperature adjustment value Wn-1 and Wn+1 corresponding with described preset temperature T-phase, and Wn-1 ＜ Tn ＜ Wn+1 it is provided with in described control unit；
When control unit detects described cooking temp S more than temperature adjustment value Wn+1 by temperature sensor, controlling described fan and run with rotating speed An, described heating element heater stops heating or continues heating；When described cooking temp S is reduced to temperature adjustment value Wn-1, control unit controls described fan and runs with rotating speed An-1, described heating element heats；
As a cycle of operation, the cooking temp that control unit controls in described cooking cavity is stable at default temperature range.
Control method the most according to claim 1, it is characterised in that described electric oven includes the motor driving fan, and described motor is the buncher with many grades of rotating speeds.
Control method the most according to claim 5, it is characterised in that when described electric oven starts, controls motor and runs with deep low gear rotating speed.
Control method the most according to claim 1, it is characterised in that described preset temperature includes at least the first preset temperature T1, the second preset temperature T2 and the 3rd preset temperature T3.
Control method the most according to claim 1, it is characterised in that described hot air apparatus is arranged at the top of described cooking cavity, described temperature sensor is located on the inwall at cooking cavity top.
Control method the most according to claim 4, it is characterised in that described electric oven includes the air outlet connected with described cooking cavity, and this air outlet scalable.
Control method the most according to claim 9, it is characterised in that the area of described temperature rise period air outlet is less than the area of described constant temperature stage air outlet.
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| CN201610557751.2A CN105996805B (en) | 2016-07-15 | 2016-07-15 | A kind of control method of Household electric oven |
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| CN201610557751.2A CN105996805B (en) | 2016-07-15 | 2016-07-15 | A kind of control method of Household electric oven |
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| CN105996805B CN105996805B (en) | 2019-06-18 |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107334386A (en) * | 2017-03-29 | 2017-11-10 | 宁波方太厨具有限公司 | A kind of baking box |
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| CN107334386A (en) * | 2017-03-29 | 2017-11-10 | 宁波方太厨具有限公司 | A kind of baking box |
| CN110831469B (en) * | 2017-05-31 | 2022-05-03 | 德隆奇电器单一股东有限责任公司 | Automatic device for cooking food |
| CN110831469A (en) * | 2017-05-31 | 2020-02-21 | 德隆奇电器单一股东有限责任公司 | Automatic device for cooking food |
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