CN102644946A - Cooking device - Google Patents

Cooking device Download PDF

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Publication number
CN102644946A
CN102644946A CN201210041333XA CN201210041333A CN102644946A CN 102644946 A CN102644946 A CN 102644946A CN 201210041333X A CN201210041333X A CN 201210041333XA CN 201210041333 A CN201210041333 A CN 201210041333A CN 102644946 A CN102644946 A CN 102644946A
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CN
China
Prior art keywords
rotable antenna
control module
microwave
heating
antenna
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Granted
Application number
CN201210041333XA
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Chinese (zh)
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CN102644946B (en
Inventor
宿野均
一柳俊成
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Toshiba Corp
Toshiba Lifestyle Products and Services Corp
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Toshiba Corp
Toshiba Consumer Electronics Holdings Corp
Toshiba Home Appliances Corp
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Publication of CN102644946A publication Critical patent/CN102644946A/en
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Publication of CN102644946B publication Critical patent/CN102644946B/en
Expired - Fee Related legal-status Critical Current
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/70Feed lines
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/72Radiators or antennas
    • H05B6/725Rotatable antennas

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Electric Ovens (AREA)
  • Control Of High-Frequency Heating Circuits (AREA)

Abstract

The invention relates to a cooking device comprising a body, a microwave generator, a rotable antenna, a current/voltage detection unit and a control unit, wherein the body forms a cooking box incluing a plurality of zones; each one of the zones is used for containing the objects; the microwave generator generates the microwave; the rotable antenna radiates the microwave generated by the microwave generator to the cooking box, and has directivity; the current/voltage detection unit and a control unit detects the change of the current or voltage of the microwave generating unit related with the position of the rotable antenna when the rotable antenna performs on rotation; and the control unit determines the position of the rotable antenna when the microwave generator gets the operation efficiency being greater than the preset value according to the change of the current or voltage detected by the current/voltage detection unit, and suspends the rotable antenna at the determined position.

Description

Cooker
Technical field
The present invention relates to culinary art (cooking) device.
Background technology
Cooker (heating/cooker) such as micro-wave oven comprises polytype heating unit; Utilize the microwave cooking of the microwave that provides by magnetron, the steam cooking that utilization is cooked and utilized steam by the baking box of the heat of heater radiation such as those, and can use various types of cooking methods to cook object.
For example, JP2009-257634A discloses a kind of cooking methods, and wherein heating simultaneously has the object (heating simultaneously) of different temperatures.Adopt this method, can each object be heated to suitable temperature simultaneously through once heating.
And JP2000-164335A discloses a kind of technology, wherein in the position of the shape of considering object and placing objects and temperature equably under the situation of heating target, based on the variation of the current value of magnetron, is used in the rotating disk time-out of diffusion microwave.
In recent years, stipulated relevant energy-conservation rules, and energy-conservation target level was just revised in every separated several years with reference to the level of the leading enterprise in the industry.For for the cooker of micro-wave oven, there be pressing for based on the development of energy-conservation idea.
For this purpose, the above-mentioned technology of controlling rotating disk based on the variation of impedance can be applied to heating technique simultaneously.Yet, even rotating disk is suspended, still have local heat, thereby cause taking place more or less inhomogeneous of object temperature.Therefore, in reality, heating target when rotating rotating disk causes the variation of impedance.Specifically, there is trade-off relation eliminating the uneven temperature problem and improve between the problem of operating efficiency, and therefore, adds at the same time that to pine for realizing energy-conservation be difficult.
Summary of the invention
In view of top situation, accomplish the present invention, and target of the present invention is to provide the cooker that can heat a plurality of objects with the good efficiency of heating surface and temperature equably simultaneously.
Can realize this target and other target according to the present invention, the present invention provides a kind of cooker, and said cooker comprises main body, and this main body forms the cooking box that comprises a plurality of zones, and each in a plurality of zones is used for holding therein object; The microwave that generates microwave generates equipment; Rotable antenna, this rotable antenna will be by said microwave radiation to the said cooking box of said microwave generation equipment generation, and said rotable antenna is set up has directionality; Current/voltage detecting unit, said current/voltage detecting unit detect the variation of the curtage of the said microwave generation unit that is associated with the position of said rotable antenna during said rotable antenna at least once rotates; And control module; Said control module is based on the said variation by the curtage of said current/voltage detection; Confirm the position of said rotable antenna when said microwave generation equipment obtains the operating efficiency greater than predetermined value, and said control module suspends in determined position said rotable antenna.
According to the present invention, pine for even add at the same time, also can realize energy-conservation and heating target and can appearance temperature not inhomogeneous advantageously.
Description of drawings
In the accompanying drawings:
Fig. 1 is the front view according to the micro-wave oven of the embodiment of cooker of the present invention;
Fig. 2 is the vertical cross-section of the micro-wave oven from top view Fig. 1;
Fig. 3 is the outside drawing of cooking box bottom surface of the cooking box of micro-wave oven;
Fig. 4 is the outside drawing that specifically illustrates the rotable antenna of micro-wave oven;
Fig. 5 is the functional-block diagram that illustrates according to the electrical configurations of the micro-wave oven of present embodiment;
Fig. 6 is the allocation plan for the circuit of magnetron setting;
Fig. 7 is the transition diagram that the setting program that is used for heating simultaneously is shown;
Fig. 8 illustrates the exemplary plot that is used to use the demonstration that adds another setting program that hot key heats simultaneously simultaneously;
Fig. 9 illustrates the exemplary plot that is used to use the demonstration that adds the another setting program that hot key heats simultaneously simultaneously;
Figure 10 is the flow chart that the flow process of heating when carrying out according to the micro-wave oven of present embodiment is shown; And
Figure 11 is the flow chart that another flow process of heating when carrying out according to the micro-wave oven of present embodiment is shown.
The specific embodiment
Below will illustrate and describe embodiment according to cooker of the present invention (heating/cooker).
Fig. 1 is the front view according to the micro-wave oven 1 of the embodiment of cooker of the present invention.
Fig. 2 is the vertical cross-section of the micro-wave oven 1 from top view Fig. 1.
Fig. 3 is the outside drawing of cooking box bottom surface 15 of the cooking box 14 of micro-wave oven 1.
Fig. 4 is the outside drawing that specifically illustrates the rotable antenna 36 of micro-wave oven 1.
Fig. 5 is the functional-block diagram that illustrates according to the electrical configurations of the micro-wave oven 1 of present embodiment.
As shown in fig. 1, micro-wave oven 1 comprises main body 10 and door 11.
As shown in Figure 2, main body 10 comprises inner casing 12 and exterior case 13.Inner casing 12 forms the cooking box 14 that is configured to hold object.Exterior case 13 covers inner casing 12 and forms the outward appearance (external frame) of micro-wave oven 1.This cooking box 14 is included in the opening portion in the front of micro-wave oven 1, through this opening portion, object is put into/taken into cooking box 14 or from cooking box and take out/take out.
As shown in fig. 1, door 11 is attached to the front of main body 10.Come the opening portion of close cooking box 14 via the hinge (not shown) of the bottom in the front that is arranged on main body 10 by door 11.
As shown in Figure 3, cooking box bottom surface 15 comprises the face of placing objects on it.Cooking box bottom surface 15 comprises two zones that are used for putting down two objects above that.For example, as shown in Figure 3, cooking box bottom surface 15 comprises high temperature side zone 15a and low temperature side zone 15b.High temperature side zone 15a is the zone of placing an object, and this object has high temperature when aspect the temperature of two objects, being compared to each other.Low temperature side zone 15b is the zone of placing the object with low temperature.Cooking box bottom surface 15 comprises that the high temperature side of indicating high temperature side zone 15a and low temperature side zone 15b is respectively placed mark 16 and low temperature side is placed mark 17, and mark 16 and 17 is arranged on cooking box bottom surface 15 symmetrically.High temperature side is set places mark 16 and low temperature side and place mark 17 and make and treat the regional clear of placing objects, thereby can prevent that the user from misplacing object and preventing carries out simultaneously by error and heat because of misplacing of user.
As shown in fig. 1, with the right side of operating unit 20 with display unit 21 settings door 11 in the drawings.
Operating unit 20 comprises menu option key DIAL, rotating disk/confirm key 26, start key 27 and cancel key 28.
Menu option key 25 comprises and is used to provide instruction to set the key of microwave cooking, baking box culinary art and steam cooking respectively; And be used to provide instruction setting the key of specific culinary art option (for example, " beverage heating " and " thaw and heat "), for this specific culinary art option pre-programmed such as the condition of output and time.Menu option key 25 comprises and adds hot key 29 simultaneously.Adding hot key 29 simultaneously is to be used to provide instruction to set the key of heating simultaneously, and this key will be in following description.
When being rotated, rotating disk/confirm key 26 receives manually to be set or the selection of automatic setting, and the for example selection of heating condition or automatic cooking option.And when being pressed, rotating disk/confirm key 26 receives confirming of the selection made through rotation.
Based on determined culinary art option, heating mode and heating condition, start key 27 receives instruction with start-up operation.Cancel key 28 receives the selection that instruction received with cancellation and confirms, or receives instruction to suspend the heating operation that has started.For example, when during the selection of heating option or heating condition, being pressed, cancel key 28 receives instruction with the previous selection of confirming of resetting.
Display unit 21 shows for example cooks option and for the setting of culinary art option, this culinary art option and selected via the mode of operation of operating unit 20 and micro-wave oven 1 by the user and make for the setting of culinary art option.
As shown in Figure 5, main body 10 comprises the heating unit such as magnetron 31 and heater 32 and steam generation heater 33 that is in the precalculated position.Through such heating unit, micro-wave oven 1 can carry out for example microwave, baking box and Steam Heating/culinary art (culinary art) to the object of putting in the cooking box 14.
As shown in Figure 2, for example magnetron 31, waveguide 35 and rotable antenna 36 are arranged in the main body 10.
Magnetron 31 (microwave generation unit) is arranged in the exterior case 13 and the bottom between the inner casing 12 of main body 10, and microwave to cooking box 14 is provided via the bottom of cooking box 14.Control microwave output according to the power that provides from inverter 40.Inverter 40 is based on the instruction operation that provides from control module 30.
The microwave that sends from magnetron 31 passes the waveguide 35 that is connected to magnetron 31.Microwave flows into the bottom of rotable antenna 36, and this rotable antenna 36 is arranged on the basic center of cooking box bottom surface 15 via the coupling aperture 35a of waveguide 35.The microwave that is stirred by rotable antenna 36 passes cooking box bottom surface 15, and is got into cooking box 14 by radiation.
Rotable antenna 36 shown in Fig. 4 is applied to microwave the object that is placed in the cooking box 14 under the situation by 41 rotations of antenna driver element or time-out (stopping).Rotable antenna 36 is directional aerials, and this directional aerial has the for example shape of the box of bottom surface and its horizontal ends opening, and has the directionality on the direction of horizontal ends opening.Various factors according to such as required directionality intensity is confirmed the setting for the horizontal ends of opening.
Rotable antenna 36 is set to be positioned at the basic center of cooking box bottom surface 15.Thereby when this rotable antenna 36 was rotated, microwave was provided in the cooking box 14 equably.
Antenna driver element 41 shown in Fig. 2 comprises motor, and antenna driver element 41 makes rotable antenna 36 have for example three rotations of per second.Antenna driver element 41 is based on rotate/suspend this rotable antenna 36 from the control signal of control module 30.
Aerial position detecting unit 42 comprises, for example microswitch or optical chopper (photointerrupter), and the anglec of rotation of these aerial position detecting unit 42 detection rotable antennas 36 and/or the position of rotable antenna 36.Aerial position detecting unit 42 offers control module 30 with testing result.
Magnetron 31 is provided with current detection circuit.
Fig. 6 is the allocation plan for the circuit of magnetron 31 settings.
High frequency transformer secondary windings 51 increases the voltage of the power that provides from inverter 40.To have the power that increases voltage and offer magnetron 31, and magnetron 31 launched microwaves.The terminal of resistance 52 is connected to the connection lead of the anode current Ib that wherein flows.With another terminal ground connection of resistance 52, and control module 30 detects the anode current Ib in the magnetron 31 based on the voltage that produces in the resistance 52, and this resistance is current detecting unit 43.
Heater 32 shown in Fig. 5 is arranged on the top (roof) of cooking box 14, and carries out the baking box culinary art through sending heat.Steam generates heater 33 and is arranged on the precalculated position between exterior case 13 and the inner casing 12, and the water that heating provides from water tank (not shown) generates steam.The steam that is generated provides port to offer cooking box 14 via the steam of the side that is arranged on for example inner casing 12.
As shown in Figure 2, infrared ray sensor 45 is arranged on the position of cooking box 14 tops.Infrared ray in the infrared ray sensor 45 sensing cooking box 14 is to detect the temperature in the cooking box 14.Infrared ray sensor 45 comprises simple eye infrared ray sensor or compound eye infrared ray sensor.
Based on the instruction that comes Self Control simple eye 30, buzzing unit 46 is with scheduled timing output buzzer, to generate the notice for the user.
Receiving when instruction via the aforesaid hot key 29 that adds simultaneously, the micro-wave oven 1 of above-mentioned configuration can be with good efficiency of heating surface heating target and can appearance temperature not inhomogeneous simultaneously.The concrete operations of micro-wave oven 1 will be described below.
At first, add the hot key 29 settings method of heating simultaneously simultaneously with describing to use.When setting this and heat simultaneously, can obtain the information that is used to control rotable antenna 36 that to describe afterwards from the user for object.Control module 30 can be controlled microwave, with according to the kind of object and temperature heating target advantageously.
Fig. 7 illustrates the transition diagram of the setting program of heating simultaneously.The demonstration of Fig. 7 (A) to (C) is illustrated in operating period display unit 21 the demonstration example that adds hot key 29 simultaneously.Display unit 21 comprises the viewing area that is used for " heating simultaneously ", and this viewing area shows a plurality of options that heat simultaneously.On the left side of this viewing area, show the possible state of temperature of the object on the high temperature side zone 15a that is placed on cooking box bottom surface 15.On the right side of this viewing area, show that the object that is placed on the 15b of low temperature side zone maybe state of temperature.This heats option simultaneously to each, the option that selector marker 61 indications have been selected by the user (black circles indication selection mode among Fig. 7, and colourless circle indication nonselection mode).
Adding hot key 29 in menu option key 25 is pressed to provide instruction to set when heating simultaneously; Control module 30 shows display unit 21 to heat the selecteed state of option simultaneously, and this heats option simultaneously and is used for heating simultaneously and is placed on respective regions and has room temperature and freezing object.Heating option when the user adds hot key 29 necessary number of times simultaneously and selects to expect through pushing.
Subsequently, when user's started by press key 27, control module 30 begins to heat simultaneously based on the selected option that heats simultaneously.Control module 30 based on selected describe after heating option simultaneously and carrying out add thermal control, to accomplish simultaneously to being placed on the heating of the corresponding object among high temperature side zone 15a and the regional 15b of low temperature side.
Fig. 8 illustrates the demonstration exemplary plot that is used to use another setting program of heating when adding hot key 29 simultaneously.
As among Fig. 7, the viewing area of being used in display unit 21 " heating simultaneously ", possible high temperature object oriented is presented at the left side, and possible low temperature object oriented is presented at the right side.More particularly; Left side in the viewing area, the title and the state of temperature thereof that are placed on possible the object among the high temperature side zone 15a of cooking box bottom surface 15 are shown as " room temperature curry/stew ", " room temperature is accompanied dish (accompanying dish) " and " room temperature rice ".On the right side, the title and the state of temperature thereof that are placed on the possible object among the 15a of low temperature side zone are shown as " freezing rice ", " refrigeration rice ", " freezing companion's dish ", " refrigeration botargo " and " refrigeration curry/stew ".
And, be provided with under two situation that add hot key 29 simultaneously, can set heating simultaneously as follows.
Fig. 9 illustrates to be used to use the demonstration exemplary plot that adds the another setting program that hot key 29 heats simultaneously simultaneously.
The viewing area of being used in display unit 21 " heating simultaneously ", the title of possible high temperature object is presented at the left side, and the title of possible low temperature object is presented at the right side.With respect to the setting program among Fig. 7 and Fig. 8, the user can freely set the combination that is placed on the object among high temperature side zone 15a and the low temperature side zone 15b.
More particularly; Left side in the viewing area; The title and the state of temperature thereof that are placed on the possible object among the high temperature side zone 15a of cooking box bottom surface 15 can be selected via adding hot key 29a simultaneously, and this adds hot key 29a simultaneously and first adds hot key (adding hot key 1 simultaneously) simultaneously.More particularly, demonstration like " refrigeration rice ", " freezing rice " and " room temperature rice " is provided.On the right side, the title and the state of temperature thereof that are placed on the possible object among the 15b of low temperature side zone can be selected via adding hot key 29b simultaneously, and this adds hot key 29b simultaneously and second adds hot key (adding hot key 2 simultaneously) simultaneously.More particularly, demonstration like " companion dish-refrigeration ", " botargo-room temperature ", " curry/stew-refrigeration ", " curry/stew-room temperature ", " living fish-thaw " is provided.
Like the situation among Fig. 7, in Fig. 8 and setting program shown in Figure 9, add hot key 29 simultaneously or add hot key 29a simultaneously and 29b comes sequentially to select to heat simultaneously option through pushing for heating simultaneously.Subsequently, when started by press key 27, start heating simultaneously based on selected one or more options that heat simultaneously.
According to heating option accordingly simultaneously by what the user set, control module 30 keeps the heating condition such as output and/or heat time heating time in advance.For example, heat option for being placed at " room temperature " object when high temperature side zone 15a neutralization " freezing " object is placed under the situation among the 15b of low temperature side zone, the output ratio between high temperature side zone 15a and the low temperature side zone 15b is set at 1: 3.Replacedly, " room temperature " object be placed on high temperature side zone 15a neutralization " refrigeration " object be placed on low temperature side zone 15b in heating option when being set, the output ratio between the regional 15b of high temperature side zone 15a and low temperature side is set at 1: 1.5.In addition, be placed on high temperature side zone 15a neutralization " freezing " object heating option when being placed on low temperature side zone 15b for " refrigeration " object, the output ratio between high temperature side zone 15a and the low temperature side zone 15b is set at 1: 2.Be set so that the heating that is placed on the object among high temperature side zone 15a and the low temperature side zone 15b is accomplished simultaneously the heat time heating time for respective regions 15a and 15b.
The heating option calculates by rule of thumb in advance and accomplish suitable required output and heat time heating time of heating, and control module 30 keeps such heating condition when providing in the method for describing with reference to Fig. 8 and Fig. 9.
The difference of firing rate not only depends on the state of temperature of object, and depends on the water content of object.For example, for having differing from one another of big water content, although their state of temperature is identical such as the firing rate of the object of curry or stew and firing rate such as the object of rice with little water content.Therefore, as in the establishing method with reference to Fig. 8 and Fig. 9 description, use adds hot key 29 simultaneously and comprises those settings for object oriented, makes control module 30 identifying object titles, and therefore, can more advantageously heat simultaneously under the condition.
Based on being selected time heating option as stated by the user, control module 30 control rotable antenna 36 rotations or suspend in the output of control microwave are to carry out the effective power heating.
Figure 10 is the flow chart of the flow process of heating when illustrating according to being carried out by micro-wave oven 1 of present embodiment.
In step S1, whether control module 30 determines whether to heat option simultaneously via adding hot key 29 settings simultaneously, and provided in order to start the instruction of heating simultaneously via start key 27 by the user.If control module 30 is confirmed not provide in order to start the instruction of heating simultaneously, control module 30 is waited for and is received such instruction.
If control module 30 is confirmed to provide in order to start the instruction of heating simultaneously, control module 30 activates magnetron 31 in step S2.In step S3, control module 30 starts the rotation of rotable antenna 36.
In step S4, control module 30 obtains the value by the anode current Ib of current detecting unit 43 detections.The for example every value that obtains anode current Ib at a distance from predetermined amount of time of control module 30.In step S5, control module 30 confirms based on the result who is detected by aerial position detecting unit 42 whether rotable antenna 36 once rotates.In other words, control module 30 determines whether for having detected anode current Ib by all position of rotation that rotable antenna 36 is obtained.If control module 30 confirms that rotable antenna 36 once rotates, then control module 30 is back to current value and obtains step S4, and continues to obtain the value of anode current Ib, has once rotated up to rotable antenna 36.
If control module 30 is confirmed this rotable antenna 36 and has been carried out once rotation; Then in step S6; Have towards the situation of the directionality of high temperature side zone 15a and rotable antenna 36 for rotable antenna 36 and to have each situation in the situation of the directionality of low temperature side zone 15b, control module 30 obtains the position of the rotable antenna 36 of anode current Ib maximums.This maximum position of anode current Ib is the little position of impedance in the cooking box 14.In other words, the position of the maximum rotable antenna 36 of anode current Ib is positions that micro-wave oven 1 can valid function.
Rotable antenna 36 has situation towards the directionality of high temperature side zone 15a and means that the opening horizontal ends of rotable antenna 36 points to the situation in the half of zone, a left side among Fig. 3.Rotable antenna 36 has situation towards the directionality of low temperature side zone 15a and means that the opening horizontal ends of rotable antenna 36 points to the situation in the right half of zone among Fig. 3.
The value that control module 30 can obtain anode current is not less than the position of the rotable antenna 36 of predetermined value, and anode current Ib has little variation with respect to the anode current of the position of the rotable antenna 36 that before or after detecting this position, detects immediately.
In JP 2000-164335A, describe in detail according to the anode current of the position of rotable antenna 36 and the relation between the efficiency of heating surface, therefore omit its detailed description at this.
In position probing step S6, usually, can obtain the anode current Ib that the position according to rotable antenna 36 changes.Yet the electric circuit in micro-wave oven 1 for example occurs when unusual, and anode current Ib does not change.Therefore, when anode current Ib did not change, control module 30 can provide wrong indication in display unit 21, and the output buzzer is unusual to notify the user to be somebody's turn to do.
In step S7, control module 30 makes rotable antenna 36 suspend that anode current Ib has peaked position in the 15b of low temperature side zone.Therefore, the object that is placed among the 15b of low temperature side zone is concentrated because of the directionality of rotable antenna 36 and heating effectively.
In step S8, control module 30 provides the indication of " antenna time-out " in display unit 21.Replacedly, can show indication with indicating " antenna time-out " or alternative indication " antenna time-out " to the effect of carrying out valid function (for example, echo is operated and carried out).In step S9, the heating option came control inverter 40 when control module 30 bases were set by the user, to change the output of magnetron 31, so that be suitable for being placed on the object among the 15b of low temperature side zone.
In step S10, control module 30 determines whether to have passed through according to heating option simultaneously predefined scheduled time T1.Scheduled time T1 is the time period of setting to the object that is placed among the 15b of low temperature side zone in order to help heating, and scheduled time T1 for example confirms in advance by rule of thumb.If control module 30 is confirmed also not pass through scheduled time T1, control module 30 is back to step display S8 and repeating step S8 to S10, up to elapsed time T1.
If control module 30 is confirmed elapsed time T1, in step S11, control module 30 makes rotable antenna 36 suspend that anode current Ib has peaked position in the 15a of high temperature side zone.Therefore, the object that is placed among the 15a of high temperature side zone is concentrated because of the directionality of rotable antenna 36 and heating effectively.
In step S12, control module 30 provides the indication of " antenna time-out " in display unit 21.The content of step S12 is identical with the content of step display S8.In step S13, the heating option came control inverter 40 when control module 30 bases were set by the user, to change the output of magnetron 31, so that be suitable for being placed on the object among the 15a of high temperature side zone.
In step S14, control module 30 determines whether to have passed through according to heating option simultaneously predefined scheduled time T2.Scheduled time T2 is the time period of setting to the object that is placed among the 15a of high temperature side zone in order to help heating, and should for example confirm by rule of thumb in advance by scheduled time T2.If control module 30 confirms also there is not elapsed time T2, then control module 30 is back to step display S12 and repeating step S12 to S14, up to elapsed time T2.
If control module 30 is confirmed elapsed time T2, in step S15, control module 30 makes these rotable antenna 36 rotations with the inside of heating cooking case 14 equably.In antenna rotation step S15, rotate this rotable antenna, thereby can suppress the non-uniform temperature that caused by local heat owing to object.
In step S16, control module 30 determines whether to accomplish the heating of object.If the object temperature that is for example detected by infrared ray sensor 45 reaches predetermined temperature, then control module 30 confirms to have accomplished the heating of object.If control module 30 confirms also not accomplish heating, then control module 30 is back to antenna pause step S7, and the processing in repeating step S7 and the later step thereof.If also do not accomplish heating, then control module 30 can be back to antenna rotation step S15, and carries out heating to rotate this rotable antenna 36, rather than is back to antenna pause step S7.
Accomplish if control module 30 is confirmed heating in accomplishing definite step S16, then control module 30 makes buzzing unit 46 output buzzers, heats completion to notify the user.
Comprise antenna rotation step S15 although this heats simultaneously, also can not rotate this rotable antenna 36, promptly suspend rotable antenna 36 and heat.And, can omit inverter control step S9 and S13.And, can measure anode voltage Eb but not anode current Ib, to obtain the time-out position that efficient operation is provided of this rotable antenna 36.
When describing with reference to Figure 10, add and pine for, the zone of heat intensive is according to switching through scheduled time T1 and T2.In addition, the zone of heat intensive can be switched based on the detected temperatures of the object that is described below.
Figure 11 is the flow chart of another flow process of heating when illustrating according to being undertaken by micro-wave oven 1 of present embodiment.
Step S21 confirms step S1 to inverter control step S9 to the startup that step S29 is similar among Figure 10 basically, and therefore the descriptions thereof are omitted at this.
In step S30, control module 30 confirms whether the temperature that is placed on the object in the low temperature side zone is higher than the temperature that is placed on the object in the high temperature side zone.Control module 30 is confirmed temperature based on the testing result of the temperature of the object that obtains from infrared ray sensor 45.In other words, control module 30 is carried out, and more whether the relation of the temperature levels between the object is opposite with heating relation before.If control module 30 is confirmed the temperature that is placed on the object among the 15b of low temperature side zone and is lower than the temperature that is placed on the object among the 15a of high temperature side zone; Then control module 30 is back to step display S28; And repeating step S28 to S30, the temperature of the object in being placed on low temperature side zone 15b becomes and is higher than the temperature that is placed on the object among the 15a of high temperature side zone.
If control module 30 is confirmed the temperature that is placed on the object among the 15b of low temperature side zone and is higher than the temperature that is placed on the object among the 15a of high temperature side zone; Then in step S31, control module 30 makes rotable antenna 36 suspend that anode current Ib has peaked position in the 15a of high temperature side zone.
Step S32 and step S33 are similar to step display S12 and the inverter control step S13 among Figure 10, and therefore the descriptions thereof are omitted at this.
In step S34, control module 30 confirms whether the temperature that is placed on the object among the 15a of high temperature side zone is higher than the temperature that is placed on the object among the 15b of low temperature side zone.Control module 30 is confirmed temperature based on the testing result of the temperature of the object that provides from infrared ray sensor 45.If control module 30 is confirmed the temperature that is placed on the object among the 15a of high temperature side zone and is lower than the temperature that is placed on the object among the 15b of low temperature side zone; Control module 30 is back to step display S32 and repeating step S32 to S34, and the temperature of the object in being placed on high temperature side zone 15a becomes and is higher than the temperature that is placed on the object among the 15b of low temperature side zone.
If control module 30 is confirmed the temperature that is placed on the object among the 15a of high temperature side zone and is higher than the temperature that is placed on the object among the 15b of low temperature side zone that then in step S35, control module 30 determines whether to accomplish the heating of object.Also do not accomplish if control module 30 is confirmed heating, then control module 30 is back to antenna pause step S27, and the processing in repeating step S27 and the later step thereof.
Accomplish if control module 30 is confirmed heating in accomplishing definite step S35, then control module 30 makes buzzing unit 46 output buzzers, should heat completion to notify the user.
Add in Figure 11 and pine for, at random rotate this rotable antenna 36, thereby can prevent owing to local heat causes occurrence temperature inhomogeneous.
Although whether heating has been accomplished is that basis is confirmed from the temperature of the object of infrared ray sensor 45 acquisitions, yet such confirming also can use vapor sensor to carry out.Detect the completion that the steam that generates in the cooking box 14 makes it possible to confirm the object heating through vapor sensor.Provide cheap vapor sensor to substitute infrared ray sensor 45 and make it possible to reduce manufacturing cost.
In micro-wave oven 1 according to present embodiment; To among high temperature side zone 15a and the regional 15b of low temperature side each; Micro-wave oven 1 heats to suspend in the rotable antenna 36 of the position that efficient operation is provided; And therefore,, micro-wave oven 1 adds at the same time that pine for also can be energy-conservation and temperature heating target equably advantageously even making.
And micro-wave oven 1 can be through adding hot key 29 state and the kind of identifying object in advance simultaneously, thereby the microwave of confirming to be suitable for corresponding object among high temperature side zone 15a and the low temperature side zone 15b is exported.Therefore, this micro-wave oven 1 heating target more advantageously.
Although described some embodiment of the present invention above, these embodiment only propose through the mode of example, and are not intended to limit scope of the present invention.In fact, the embodiment of innovation described here can embody with various other forms; And, under the situation that does not break away from spirit of the present invention, can make various omissions, replacement and change to embodiment described herein.Accompanying claims is intended to cover such form or the modification that falls in scope of the present invention and the spirit with its equivalent.

Claims (5)

1. cooker comprises:
Main body, said main body forms the cooking box that comprises a plurality of zones, and each in said a plurality of zones is used for holding therein object;
Microwave generates equipment, and said microwave generation equipment generates microwave;
Rotable antenna, said rotable antenna will be by said microwave radiation to the said cooking box of said microwave generation equipment generation, and said rotable antenna is set up has directionality;
Current/voltage detecting unit, said current/voltage detecting unit detect the variation that the said microwave that is associated with the position of said rotable antenna generates the curtage of equipment during said rotable antenna at least once rotates; And
Control module; Said control module is based on the said variation by the curtage of said current/voltage detection; Confirm the position of said rotable antenna when said microwave generation equipment obtains the operating efficiency greater than predetermined value, and said control module suspends in determined position said rotable antenna.
2. cooker according to claim 1, wherein, if passed through predetermined amount of time, then said control module switches the said position that said rotable antenna is suspended between said zone.
3. cooker according to claim 1, wherein, if there is the predetermined change of the temperature of respective regions, then said control module switches the said position that said rotable antenna is suspended between said zone.
4. cooker according to claim 1, wherein, said control module comprises display unit, said display unit provides the demonstration that shows that said rotable antenna is suspended or carrying out valid function when suspending at said rotable antenna.
5. cooker according to claim 1, wherein, said microwave generates equipment different output is offered respective regions.
CN201210041333.XA 2011-02-21 2012-02-21 Cooking device Expired - Fee Related CN102644946B (en)

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JP2011035033A JP2012174470A (en) 2011-02-21 2011-02-21 Heating cooker

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672992A (en) * 2012-09-25 2014-03-26 上海松下微波炉有限公司 Steam cooking control method of microwave oven
WO2020140989A1 (en) * 2019-01-04 2020-07-09 海尔智家股份有限公司 Heating device
RU2776350C1 (en) * 2019-01-04 2022-07-19 Хайер Смарт Хоум Ко., Лтд. Heating device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107461773A (en) * 2017-09-07 2017-12-12 谢勇 Electricthermal furnace with rotatable steam detection means

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CN1373324A (en) * 2001-02-28 2002-10-09 三洋电机株式会社 Microwave oven
CN2624085Y (en) * 2003-05-31 2004-07-07 海尔集团公司 Three-dimensional double source microwave oven
CN1840968A (en) * 2005-03-29 2006-10-04 Lg电子株式会社 Microwave oven

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672992A (en) * 2012-09-25 2014-03-26 上海松下微波炉有限公司 Steam cooking control method of microwave oven
CN103672992B (en) * 2012-09-25 2018-05-25 上海松下微波炉有限公司 The steam cooking control method of micro-wave oven
WO2020140989A1 (en) * 2019-01-04 2020-07-09 海尔智家股份有限公司 Heating device
RU2776350C1 (en) * 2019-01-04 2022-07-19 Хайер Смарт Хоум Ко., Лтд. Heating device
AU2020205145B2 (en) * 2019-01-04 2023-02-16 Haier Smart Home Co., Ltd. Heating device

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