CN104595943B - Microwave oven and its control method - Google Patents
Microwave oven and its control method Download PDFInfo
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- CN104595943B CN104595943B CN201410738302.9A CN201410738302A CN104595943B CN 104595943 B CN104595943 B CN 104595943B CN 201410738302 A CN201410738302 A CN 201410738302A CN 104595943 B CN104595943 B CN 104595943B
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- heater
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
- H05B6/687—Circuits for monitoring or control for cooking
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/666—Safety circuits
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Abstract
The invention discloses a kind of microwave oven and its control method, wherein, described microwave oven, including：Body of heater；It is arranged on the photoelectric sensor of sidewall of the furnace body；It is arranged on the heater in body of heater；And controller, controller is connected with heater and photoelectric sensor, and controller is controlled to heater according to the output state signal of photoelectric sensor.The microwave oven of the embodiment of the present invention, whether whether the signal that controller is exported by photoelectric sensor judging cooked decoction group food and will overflow or to have fallen after rise, and then control the start and stop of heater it is therefore prevented that decoction overflows, thus improving the experience of user.
Description
Technical field
The present invention relates to technical field of electric appliances, the control method of more particularly, to a kind of microwave oven and microwave oven.
Background technology
During microwave oven cooking food, when especially cooking soup, noodle soup, decoction is easy to overflow outside container.Due to microwave plus
Hot food, is not conduction heating, but food inside and outside temperature rises simultaneously.Close to boiling point of liquid when, can occur rapidly acutely to boil
Rise, decoction overflows rapidly.Even if being only installed with half bowl of soup during routine use, microwave heating still easily overflows outside container.Consumer
Abnormal worried to this, especially like the Chinese Consumer's eaten soup.
In order to solve the above problems, a kind of detection mode of the microwave oven in correlation technique is wet in dependence detection furnace chamber
Spend and temperature, whether food seethes with excitement in prediction on such basis, indirectly judges whether decoction overflows.The detection mode also having is by borrowing one
Root detector bar, is placed in the top of food, once decoction seethes with excitement and touches detector bar, microwave oven then stops heating.
But, the first detection mode above-mentioned, because humidity and temperature are complicated with the relation of decoction spilling, different foods pair
The relation answered is also different.Specific food, specific cooking methods can only be directed to, could substantially prevent decoction from overflowing.General
Property is too low.It is difficult to solve the problems, such as that consumer is worried well；And above-mentioned second detection mode is although decoction boiling can be detected
Rise, but in furnace chamber, play a detector bar, too unsightly, using also inconvenience, and food can contact detector bar, does not defend
Raw.
Therefore, microwave oven has much room for improvement.
Content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this reason, the present invention
One purpose is to propose a kind of microwave oven, and the signal that the controller of this microwave oven is exported by photoelectric sensor is judging to be cooked
Whether whether the decoction group food prepared food will overflow or fall after rise, and then controls the start and stop of heater it is therefore prevented that decoction overflows
Go out, thus improving the experience of user.
Second object of the present invention is to propose a kind of control method of microwave oven.
To achieve these goals, the microwave oven of first aspect present invention embodiment, including：Body of heater；It is arranged on described stove
The photoelectric sensor of body sidewall；It is arranged on the heater in described body of heater；And controller, described controller and described heater
It is connected with described photoelectric sensor, described controller enters to described heater according to the output state signal of described photoelectric sensor
Row controls.
Microwave oven according to embodiments of the present invention, the signal that controller is exported by photoelectric sensor is judging to be cooked
Whether whether decoction group food will overflow or fall after rise, and then controls the start and stop of heater it is therefore prevented that decoction overflows, from
And improve the experience of user.
In one embodiment of the invention, wherein, the light that described photoelectric sensor is launched in described photoelectric sensor
Export the first level signal when not being blocked, export second electrical level signal when described light is blocked, described controller is connecing
Control described heater to stop heating after receiving described second electrical level signal, and judge whether to receive described first level letter
Number, if it is, controlling described heater to heat again after the preset lime.
In one embodiment of the invention, wherein, described controller, is additionally operable to record described in when described microwave oven starts
The output state signal of photoelectric sensor, if described photoelectric sensor exports second electrical level signal when described microwave oven starts,
Then ignore the output signal of described photoelectric sensor.
In one embodiment of the invention, described Preset Time is the 1-6 second.
In one embodiment of the invention, described controller, is additionally operable to record described photoelectricity in this heating process
The number of times of the second electrical level signal of sensor output, and described Preset Time is incrementally increased according to described number of times.
To achieve these goals, the control method of the microwave oven of second aspect present invention embodiment, wherein, described microwave
Stove includes body of heater, the photoelectric sensor being arranged on described sidewall of the furnace body, the heater being arranged in described body of heater and controller, institute
State control method to comprise the following steps：Described controller obtains the output state signal of described photoelectric sensor；Described controller
According to described output state signal, described heater is controlled.
The control method of microwave oven according to embodiments of the present invention, the signal that controller is exported by photoelectric sensor is sentencing
Break cooked decoction group food whether will overflow or whether fall after rise, and then control heater start and stop it is therefore prevented that
Decoction overflows, thus improving Consumer's Experience.
In one embodiment of the invention, the light that described photoelectric sensor is launched in described photoelectric sensor is not hidden
Export the first level signal during gear, export second electrical level signal when described light is blocked, described controller is according to described defeated
Go out signal condition described heater is controlled, specifically include：Described controller receive described second electrical level signal it
After control described heater to stop heating；Judge whether to receive described first level signal；If it is, Preset Time it
After control described heater to heat again.
In one embodiment of the invention, also include：Described photoelectricity when microwave oven described in described controller record starts
The output state signal of sensor, if described photoelectric sensor exports second electrical level signal when described microwave oven starts, neglects
The output signal of slightly described photoelectric sensor.
In one embodiment of the invention, described Preset Time is the 1-6 second.
In one embodiment of the invention, also include：Described controller records described photoelectricity in this heating process
The number of times of the second electrical level signal of sensor output, and described Preset Time is incrementally increased according to described number of times.
Brief description
Fig. 1 is the structural representation of microwave oven according to an embodiment of the invention；
Fig. 2 is the furnace chamber schematic cross-section of microwave oven according to an embodiment of the invention；
Fig. 3 is that (soup boiling bubbling has simultaneously sheltered from photoelectricity for the furnace chamber section of microwave oven according to an embodiment of the invention
The light beam of sensor emission) schematic diagram；
Fig. 4 is the no-spill schematic diagram of microwave oven according to an embodiment of the invention；
Fig. 5 is the OUT signal of photoelectric sensor output according to an embodiment of the invention and the RLY_C of controller output
The sequential chart of signal；
Fig. 6 is the flow chart of the control method of microwave oven according to an embodiment of the invention；
Fig. 7 is the flow chart of the control method of microwave oven in accordance with another embodiment of the present invention.
Reference：
Body of heater 100, photoelectric sensor 200, heater 300 and controller 400.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish
The element that same or similar label represents same or similar element or has same or like function.Below with reference to attached
The embodiment of figure description is exemplary it is intended to be used for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the microwave oven of the embodiment of the present invention and the control method of microwave oven are described.
Fig. 1 is the structural representation of microwave oven according to an embodiment of the invention.As shown in figure 1, the embodiment of the present invention
Microwave oven, including：Body of heater 100, photoelectric sensor 200, heater 300 and controller 400.
Wherein, photoelectric sensor 200 is arranged on body of heater 100 side wall；Heater 300 is arranged in body of heater 100；And control
Device 400 is connected with heater 300 and photoelectricity tactility apparatus 200, and controller 400 is according to the output state signal of photoelectric sensor 200
Heater 300 is controlled.
Specifically, photoelectric sensor 200 is arranged on body of heater 100 side wall and refers to, photoelectric sensor 200 can be arranged on body of heater
100 fire door side is it is also possible to be arranged on the side wall adjacent with fire door.
More specifically, microwave oven has supporting cooking container (for example, bowl), or held using mutually level culinary art
Device, so that photoelectric sensor 200 is arranged in fire door as a example, as shown in Fig. 2 photoelectric sensor 200 horizontally toward furnace chamber rear wall, light
The setting height(from bottom) of electric transducer 200 will exceed the certain height of supporting cooking container, for example, exceeds 10mm, then, photoelectric transfer
The top by cooking container for the light beam that sensor 200 is launched, reaches furnace chamber back wall reflection light echo electric transducer 200.
In one embodiment of the invention, the light that photoelectric sensor 200 is launched in photoelectric sensor 200 is not blocked
When export the first level signal, when light is blocked export second electrical level signal, controller 400 receiving second electrical level letter
Control number afterwards heater 300 to stop heating, and judge whether to receive the first level signal, if it is, in Preset Time
Heater 300 is controlled to heat again afterwards.
In one embodiment of the invention, Preset Time is the 1-6 second.
Specifically, when in cooking container band soup heat foods to seethe with excitement when, as shown in figure 3, now decoction has just emitted intumescence
Rise, once being higher than 10mm, the light beam that will launch photoelectric sensor 200 blocks, due to photoelectric sensor 200 transmitting for bubbling
Light beam is blocked and diffuse-reflectance by decoction, can not reach furnace chamber rear wall simultaneously again and direct reflection occurs, then also just not have reflected light
Return to photoelectric sensor 200, photoelectric sensor 200 can't detect launching light and then exports second electrical level signal (for example, high level letter
Number), when controller 400 receives second electrical level signal, just control heater 300 to stop heating.In addition, working as photoelectric sensor
When the light beam of 200 transmittings is not blocked, photoelectric sensor 200 exports the first level signal (for example, low level signal).
Further, after heater 300 stops heating, the decoction in cooking container can slowly fall after rise, when decoction falls back to
When no longer blocking the light beam that photoelectric sensor 200 is launched, photoelectric sensor 200 exports the first level signal, and controller 400 receives
To after the first level signal, then through a Preset Time (for example, 2 seconds or 5 seconds), heater 300 is then controlled to heat again.
Still repeat said process, until cooking time terminates during follow-up decoction reboiling.Namely microwave oven is constantly according to " boiling
Rise-stop heating-decoction and fall-postpone Preset Time-recovery heating-boiling after rise " cooked, until cooking time terminates, such as
This can be always ensured that food heats near boiling temperature and not spill over again, the efficiency of heating surface is high, improves user experience again.
This microwave oven can not only prevent decoction from overflowing, and is applied to multiple foods, such as various soup, noodle soup, medicated porridge etc., and attractive in appearance, does
Net health, improves Consumer's Experience well.
The microwave oven of the embodiment of the present invention, the signal that controller is exported by photoelectric sensor is judging cooked decoction
Whether whether group food will overflow or fall after rise, and then controls the start and stop of heater it is therefore prevented that decoction overflows, thus carrying
Rise the experience of user.
In one embodiment of the invention, realize the no-spill schematic diagram of above-mentioned microwave oven as shown in figure 4, in Fig. 4
MC96F8316 is single-chip microcomputer, is a citing of controller 400, is not the restriction to controller 400, controller 400 is acceptable
It is other single-chip microcomputer minimal hardware systems.As shown in figure 4, the circuit being connected with the port 2,3 of MC96F8316 includes the first electricity
Hold C1, the second electric capacity C2, the first crystal oscillator OSC1 and first resistor R1, in addition, the outfan OUT of photoelectric sensor 200 with
The P20/INT7 pin (port 16) of MC96F8316 is connected, and wherein, photoelectric sensor 200 can adopt the EE- of OMRON
SPZ301-A model (is used only to illustrate).Pass through control circuit phase between MC96F8316 and heater (i.e. heater 300)
Even, as shown in figure 4, this control circuit includes audion Q1, relay RLY1, during whole culinary art, controller 400 is supervised in real time
Control OUT signal level change, during photoelectric sensor 200 output second electrical level signal (for example, high level signal), controller 400
This high level signal is detected, and export RLY_C=0 (RLY_C signal is the control signal of heater 300) in port 22, from
And so that relay RLY1 is disconnected, heater 300 stops heating, when controller 400 detects photoelectric sensor 200 output first electricity
During ordinary mail number (for example, low level signal), controller 400 exports RLY_C=1 in port 22, now Q1 conducting, relay RLY1
Adhesive, heater 300 begins to warm up.Wherein, the sequential chart of OUT signal and RLY_C signal is as shown in Figure 5.
In one embodiment of the invention, controller 400 is additionally operable to record photoelectric sensor 200 when microwave oven starts
Output state signal, if photoelectric sensor 200 output second electrical level signal when microwave oven starts, ignores photoelectric sensor
200 output signal.
Specifically, if user's cooking container of putting into microwave oven is higher than supporting cooking container, or user puts into
The food of supporting cooking container is beyond container height, then when microwave oven starts, the light of photoelectric sensor 200 transmitting
Bundle has just been blocked, then, now the output signal of photoelectric sensor 200 ignored by controller 400, and heater 300 then continues
Continuous heating.
Because microwave oven, more easily seethes with excitement during band soup group food in the backward in heating, so, in a reality of the present invention
Apply in example, controller 400 is additionally operable to the secondary of the second electrical level signal that record photoelectric sensor 200 exports in this heating process
Number, and Preset Time is incrementally increased according to number of times.
In order to realize above-described embodiment, the present invention also proposes a kind of control method of microwave oven.
Fig. 6 is the flow chart of the control method of microwave oven according to an embodiment of the invention.Wherein, microwave oven includes stove
Body, the photoelectric sensor being arranged on sidewall of the furnace body, the heater being arranged in body of heater and controller, as shown in fig. 6, the present invention is real
Apply the control method of the microwave oven of example, comprise the following steps：
S1, controller obtains the output state signal of photoelectric sensor.
Specifically, photoelectric sensor is arranged on sidewall of the furnace body, and for example, photoelectric sensor can be arranged on the fire door one of body of heater
Side is it is also possible to be arranged on the side wall adjacent with fire door.The fire door side being all arranged on body of heater with photoelectric sensor below is carried out
Explanation.
More specifically, microwave oven has supporting cooking container (for example, bowl), photoelectric sensor is arranged in fire door, such as
Shown in Fig. 2, photoelectric sensor horizontally toward furnace chamber rear wall, the setting height(from bottom) of photoelectric sensor will exceed supporting cooking container one
Fixed height, for example, exceeds 10mm, then, the top by cooking container for the light beam that photoelectric sensor is launched, reach furnace chamber
Back wall reflection light echo electric transducer 200.And if rising being heated to bubbling expense in cooking container, bubbling is higher than once
The light beam that photoelectric sensor is launched will be blocked by 10mm, because the light beam of photoelectric sensor transmitting is blocked by decoction and overflows anti-
Penetrate, furnace chamber rear wall can not be reached simultaneously again direct reflection occurs, then photoelectric sensor does not just receive reflected light.Thus, may be used
Whether will be overflowed with the band soup food judging cooking container.
S2, controller is controlled to heater according to output state signal.
In one embodiment of the invention, export when the light that photoelectric sensor is launched in photoelectric sensor is not blocked
First level signal, exports second electrical level signal when light is blocked, as shown in fig. 7, controller is according to output state signal
Heater is controlled, specifically includes：
S21, controller controls heater to stop heating after receiving second electrical level signal.
S22, judges whether to receive the first level signal.
S23, if it is, control heater to heat again after the preset lime.
In one embodiment of the invention, Preset Time is the 1-6 second.
Specifically, when in cooking container band soup heat foods to seethe with excitement when, as shown in figure 3, now decoction has just emitted intumescence
Rise, the light beam that photoelectric sensor is launched, once being higher than 10mm, will be blocked by bubbling, due to the light beam quilt of photoelectric sensor transmitting
Decoction blocks and diffuse-reflectance, can not reach furnace chamber rear wall simultaneously again and direct reflection occurs, then also just not reflect light back into light
Electric transducer, photoelectric sensor can't detect launching light and then exports second electrical level signal (for example, high level signal), works as controller
When receiving second electrical level signal, heater is just controlled to stop heating.In addition, when the light beam of photoelectric sensor transmitting is not kept off
When living, photoelectric sensor exports the first level signal (for example, low level signal).
Further, after heater stops heating, the decoction in cooking container can slowly fall after rise, when decoction falls back to no longer
When blocking the light beam that photoelectric sensor is launched, photoelectric sensor exports the first level signal, and controller receives the first level letter
After number, then through a Preset Time (for example, 2 seconds or 5 seconds), heater is then controlled to heat again.Follow-up decoction reboiling
Shi Yiran repeats said process, until cooking time terminates.Namely control microwave oven constantly according to "-stopping heating-of seething with excitement
Decoction falls-postpones Preset Time-recovery heating-boiling after rise " cooked, until cooking time terminates, so can protect all the time
Card food heats near boiling temperature and does not spill over, and the efficiency of heating surface is high, improves user experience again.The method can not only
Prevent decoction from overflowing, and be applied to multiple foods, such as various soup, noodle soup, medicated porridge etc., and attractive in appearance, clean hygiene, carry well
Rise Consumer's Experience.
The control method of the microwave oven of the embodiment of the present invention, the signal that controller is exported by photoelectric sensor is to judge
Whether whether the decoction group food of culinary art will overflow or fall after rise, and then controls the start and stop of heater it is therefore prevented that decoction
Overflow, thus improving Consumer's Experience.
In one embodiment of the invention, the control method of microwave oven, also includes：When controller record microwave oven starts
The output state signal of photoelectric sensor, if photoelectric sensor output second electrical level signal when microwave oven starts, ignores light
The output signal of electric transducer.
Specifically, if user's cooking container of putting into microwave oven is higher than supporting cooking container, or user puts into
The food of supporting cooking container is beyond container height, then when microwave oven starts, the light beam of photoelectric sensor transmitting
Just it has been blocked, then, now the output signal of photoelectric sensor ignored by controller, and heater then continues to heat.
In one embodiment of the invention, the control method of microwave oven, also includes：Controller is in this heating process
The number of times of the second electrical level signal of record photoelectric sensor output, and Preset Time is incrementally increased according to number of times.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combine.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In flow chart or here any process described otherwise above or method description are construed as, represent and include
The module of the code of executable instruction of one or more steps for realizing specific logical function or process, fragment or portion
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, including according to involved function by substantially simultaneously in the way of or in the opposite order, carry out perform function, this should be by the present invention
Embodiment person of ordinary skill in the field understood.
Represent in flow charts or here logic described otherwise above and/or step, for example, it is possible to be considered as to use
In the order list of the executable instruction realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (system as computer based system, including processor or other can hold from instruction
Row system, device or equipment instruction fetch the system of execute instruction) use, or with reference to these instruction execution systems, device or set
Standby and use.For the purpose of this specification, " computer-readable medium " can any can be comprised, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress using with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：There is the electricity of one or more wirings
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program thereon or other are suitable
Medium, because edlin, interpretation or if necessary with it can then be entered for example by carrying out optical scanning to paper or other media
His suitable method is processed to electronically obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the present invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In embodiment, the software that multiple steps or method can be executed in memory and by suitable instruction execution system with storage
Or firmware is realizing.For example, if realized with hardware, and the same in another embodiment, can use well known in the art under
Any one of row technology or their combination are realizing：There is the logic gates for data signal is realized with logic function
Discrete logic, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part step that above-described embodiment method carries
Suddenly the program that can be by completes come the hardware to instruct correlation, and described program can be stored in a kind of computer-readable storage medium
In matter, this program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, can be integrated in a processing module in each functional unit in each embodiment of the present invention it is also possible to
It is that unit is individually physically present it is also possible to two or more units are integrated in a module.Above-mentioned integrated mould
Block both can be to be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.Described integrated module is such as
Fruit using in the form of software function module realize and as independent production marketing or use when it is also possible to be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read only memory, disk or CD etc..Although having shown that above and retouching
Embodiments of the invention are stated it is to be understood that above-described embodiment is exemplary it is impossible to be interpreted as the limit to the present invention
System, those of ordinary skill in the art can be changed to above-described embodiment, change, replace and become within the scope of the invention
Type.
Claims (8)
1. a kind of microwave oven is it is characterised in that include：
Body of heater；
It is arranged on the photoelectric sensor of described sidewall of the furnace body；
It is arranged on the heater in described body of heater；And
Controller, described controller is connected with described heater and described photoelectric sensor, and described controller is according to described photoelectricity
The output state signal of sensor is controlled to described heater；
Wherein, the light that described photoelectric sensor is launched in described photoelectric sensor exports the first level signal when not being blocked,
Export second electrical level signal when described light is blocked, described controller controls after receiving described second electrical level signal
Described heater stops heating, and judges whether to receive described first level signal, if it is, controlling after the preset lime
Make described heater to heat again.
2. microwave oven as claimed in claim 1 it is characterised in that wherein, described controller, be additionally operable to record described microwave oven
The output state signal of described photoelectric sensor during startup, if described photoelectric sensor output second when described microwave oven starts
Level signal, then ignore the output signal of described photoelectric sensor.
3. microwave oven as claimed in claim 1 is it is characterised in that described Preset Time is the 1-6 second.
4. microwave oven as claimed in claim 1, it is characterised in that described controller, is additionally operable to note in this heating process
Record the number of times of the second electrical level signal of described photoelectric sensor output, and when being incrementally increased described default according to described number of times
Between.
5. a kind of control method of microwave oven is it is characterised in that described microwave oven includes body of heater, is arranged on described sidewall of the furnace body
Photoelectric sensor, the heater being arranged in described body of heater and controller, described control method comprises the following steps：
Described controller obtains the output state signal of described photoelectric sensor；
Described controller is controlled to described heater according to described output state signal；
Wherein, the light that described photoelectric sensor is launched in described photoelectric sensor exports the first level signal when not being blocked,
Export second electrical level signal when described light is blocked, described controller is according to described output state signal to described heater
It is controlled, specifically include：
Described controller controls described heater to stop heating after receiving described second electrical level signal；
Judge whether to receive described first level signal；
If it is, controlling described heater to heat again after the preset lime.
6. the control method of microwave oven as claimed in claim 5 is it is characterised in that also include：
The output state signal of described photoelectric sensor when microwave oven described in described controller record starts, if described microwave oven
During startup, described photoelectric sensor exports second electrical level signal, then ignore the output signal of described photoelectric sensor.
7. the control method of microwave oven as claimed in claim 5 is it is characterised in that described Preset Time is the 1-6 second.
8. the control method of microwave oven as claimed in claim 5 is it is characterised in that also include：
Described controller records the number of times of the second electrical level signal of described photoelectric sensor output in this heating process, and root
It is incrementally increased described Preset Time according to described number of times.
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| CN201410738302.9A CN104595943B (en) | 2014-12-04 | 2014-12-04 | Microwave oven and its control method |
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| CN104595943B true CN104595943B (en) | 2017-03-01 |
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| JP6839808B2 (en) * | 2017-02-24 | 2021-03-10 | パナソニックＩｐマネジメント株式会社 | High frequency heating device and high frequency heating method |
| CN114424881A (en) * | 2017-03-10 | 2022-05-03 | 李明守 | Intelligent pot |
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| JP3835804B2 (en) * | 2004-02-10 | 2006-10-18 | 松下電器産業株式会社 | Cooking device and cooking method |
| JP5099888B2 (en) * | 2007-05-01 | 2012-12-19 | パナソニック株式会社 | Heating device with steam generation function |
| JP2011149628A (en) * | 2010-01-22 | 2011-08-04 | Panasonic Corp | High-frequency heating apparatus |
| JP2013053795A (en) * | 2011-09-02 | 2013-03-21 | Toshiba Corp | Heating cooker |
| CN202392847U (en) * | 2011-12-02 | 2012-08-22 | 美的集团有限公司 | Steam microwave oven |
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| CN204373001U (en) * | 2014-12-04 | 2015-06-03 | 广东美的厨房电器制造有限公司 | Micro-wave oven |
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