CN104595943A - Microwave oven and control method thereof - Google Patents
Microwave oven and control method thereof Download PDFInfo
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- CN104595943A CN104595943A CN201410738302.9A CN201410738302A CN104595943A CN 104595943 A CN104595943 A CN 104595943A CN 201410738302 A CN201410738302 A CN 201410738302A CN 104595943 A CN104595943 A CN 104595943A
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- photoelectric sensor
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- wave oven
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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 microwave oven and a control method thereof. The microwave comprises a microwave body, a photoelectric sensor arranged at the sidewall of the microwave body, a heater arranged in the microwave body, and a controller connected with the photoelectric sensor and the heater and being used to control the heater according to an output signal state of the photoelectric sensor. According to the microwave in the embodiment, the controller determines whether cooked soup-like food spills or falls based on the signal output by the photoelectric sensor, and further controls on-off of the heater, and thus soup is prevented from spilling and the usage experience of a user is improved.
Description
Technical field
The present invention relates to technical field of electric appliances, particularly relate to the control method of a kind of micro-wave oven and micro-wave oven.
Background technology
During microwave oven cooking food, when especially cooking soup, noodle soup, soup juice is easy to outside overflow container.Due to heating using microwave food, be not conduction heating, but food inside and outside temperature rise simultaneously.During close to boiling point of liquid, violent boiling can occur rapidly, soup juice overflows rapidly.Even if only filled half bowl of soup during routine use, heating using microwave is still easily outside overflow container.Consumer is abnormal worried to this, especially likes the Chinese Consumer's of eating soup.
In order to solve the problem, a kind of detection mode of the micro-wave oven in correlation technique relies on the humidity and temperature detected in furnace chamber, and whether food seethes with excitement in prediction on such basis, indirectly judges whether soup juice overflows.The detection mode also had is by using a detector bar, being placed in the top of food, once soup juice seethes with excitement and touches detector bar, micro-wave oven then stops heating.
But the first detection mode above-mentioned, the relation of overflowing due to humidity and temperature and soup juice is complicated, and the relation that different food is corresponding is also different.Can only, for specific food, specific cooking methods, could substantially prevent soup juice from overflowing.Versatility is too low.Be difficult to the problem well solving consumer's worry; And above-mentioned the second detection mode, although can detect that soup juice seethes with excitement, play in furnace chamber a detector bar, too unsightly, uses also inconvenient, and food can contact detector bar, unhygienic.
Therefore, micro-wave oven haves much room for improvement.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, one object of the present invention is to propose a kind of micro-wave oven, by the signal that photoelectric sensor exports, the controller of this micro-wave oven judges whether cooked soup juice group food is about to overflow or whether fall after rise, and then the start and stop of control heater, prevent soup juice to overflow, thus improve the experience of user.
Second object of the present invention is the control method proposing a kind of micro-wave oven.
To achieve these goals, the micro-wave oven of first aspect present invention embodiment, comprising: body of heater; Be arranged on the photoelectric sensor of described sidewall of the furnace body; Be arranged on the heater in described body of heater; And controller, described controller is connected with described photoelectric sensor with described heater, and described controller controls described heater according to the output state signal of described photoelectric sensor.
According to the micro-wave oven of the embodiment of the present invention, by the signal that photoelectric sensor exports, controller judges whether cooked soup juice group food is about to overflow or whether fall after rise, and then the start and stop of control heater, prevent soup juice to overflow, thus improve the experience of user.
In one embodiment of the invention, wherein, described photoelectric sensor exports the first level signal when the light that described photoelectric sensor is launched is not blocked, second electrical level signal is exported when described light is blocked, described controller controls described heater and stops heating after receiving described second electrical level signal, and judge whether to receive described first level signal, if so, then control described heater after the preset lime and again heat.
In one embodiment of the invention, wherein, described controller, also for recording the output state signal of described photoelectric sensor when described micro-wave oven starts, if described photoelectric sensor exports second electrical level signal when described micro-wave oven starts, then ignore the output signal of described photoelectric sensor.
In one embodiment of the invention, described Preset Time is 1-6 second.
In one embodiment of the invention, described controller, also for recording the number of times of the second electrical level signal that described photoelectric sensor exports in this heating process, and little by little increases described Preset Time according to described number of times.
To achieve these goals, the control method of the micro-wave oven of second aspect present invention embodiment, wherein, described micro-wave oven comprises body of heater, be arranged on the photoelectric sensor of described sidewall of the furnace body, be arranged on heater in described body of heater and controller, and described control method comprises the following steps: described controller obtains the output state signal of described photoelectric sensor; Described controller controls described heater according to described output state signal.
According to the control method of the micro-wave oven of the embodiment of the present invention, by the signal that photoelectric sensor exports, controller judges whether cooked soup juice group food is about to overflow or whether fall after rise, and then the start and stop of control heater, prevent soup juice to overflow, thus improve Consumer's Experience.
In one embodiment of the invention, described photoelectric sensor exports the first level signal when the light that described photoelectric sensor is launched is not blocked, second electrical level signal is exported when described light is blocked, described controller controls described heater according to described output state signal, specifically comprises: described controller controls described heater and stops heating after receiving described second electrical level signal; Judge whether to receive described first level signal; If so, then control described heater after the preset lime again to heat.
In one embodiment of the invention, also comprise: the output state signal of described photoelectric sensor when micro-wave oven described in described controller record starts, if described photoelectric sensor exports second electrical level signal when described micro-wave oven starts, then ignore the output signal of described photoelectric sensor.
In one embodiment of the invention, described Preset Time is 1-6 second.
In one embodiment of the invention, also comprise: described controller records the number of times of the second electrical level signal that described photoelectric sensor exports in this heating process, and little by little increases described Preset Time according to described number of times.
Accompanying drawing explanation
Fig. 1 is the structural representation of micro-wave oven according to an embodiment of the invention;
Fig. 2 is the furnace chamber schematic cross-section of micro-wave oven according to an embodiment of the invention;
Fig. 3 be micro-wave oven according to an embodiment of the invention furnace chamber cross section (soup boiling bubbling and sheltered from photoelectric sensor launch light beam) schematic diagram;
Fig. 4 is the no-spill schematic diagram of micro-wave oven according to an embodiment of the invention;
Fig. 5 is the sequential chart of the OUT signal of photoelectric sensor output according to an embodiment of the invention and the RLY_C signal of controller output;
Fig. 6 is the flow chart of the control method of micro-wave oven according to an embodiment of the invention;
Fig. 7 is the flow chart of the control method of micro-wave oven in accordance with another embodiment of the present invention.
Reference numeral:
Body of heater 100, photoelectric sensor 200, heater 300 and controller 400.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Below with reference to the accompanying drawings the micro-wave oven of the embodiment of the present invention and the control method of micro-wave oven are described.
Fig. 1 is the structural representation of micro-wave oven according to an embodiment of the invention.As shown in Figure 1, the micro-wave oven of the embodiment of the present invention, comprising: body of heater 100, photoelectric sensor 200, heater 300 and controller 400.
Wherein, photoelectric sensor 200 is arranged on body of heater 100 sidewall; Heater 300 is arranged in body of heater 100; And controller 400 is connected with photoelectricity tactility apparatus 200 with heater 300, controller 400 controls heater 300 according to the output state signal of photoelectric sensor 200.
Particularly, photoelectric sensor 200 is arranged on body of heater 100 sidewall and refers to, photoelectric sensor 200 can be arranged on the fire door side of body of heater 100, also can be arranged on the sidewall adjacent with fire door.
More specifically, micro-wave oven has supporting cooking container (such as, bowl), or use mutually level cooking container, be arranged in fire door for photoelectric sensor 200, as shown in Figure 2, photoelectric sensor 200 level is towards furnace chamber rear wall, the setting height(from bottom) of photoelectric sensor 200 will exceed the certain height of supporting cooking container, such as, exceed 10mm, so, the light beam that photoelectric sensor 200 is launched, by the top of cooking container, arrives furnace chamber rear wall reflected light electric transducer 200.
In one embodiment of the invention, photoelectric sensor 200 exports the first level signal when the light that photoelectric sensor 200 is launched is not blocked, second electrical level signal is exported when light is blocked, controller 400 control heater 300 after receiving second electrical level signal stops heating, and judge whether to receive the first level signal, if so, then control heater 300 heats again after the preset lime.
In one embodiment of the invention, Preset Time is 1-6 second.
Particularly, when being with soup heat foods to when seething with excitement in cooking container, as shown in Figure 3, now soup juice just bubbling is seethed with excitement, bubbling is once higher than 10mm, the light beam that photoelectric sensor 200 is launched will be blocked, the light beam launched due to photoelectric sensor 200 is blocked and diffuse reflection by soup juice, furnace chamber rear wall generation mirror-reflection can not be arrived again simultaneously, reverberation is not so just had to get back to photoelectric sensor 200 yet, photoelectric sensor 200 can't detect utilizing emitted light and then exports second electrical level signal (such as, high level signal), when controller 400 receives second electrical level signal, just control heater 300 stops heating.In addition, when the light beam that photoelectric sensor 200 is launched is not blocked, photoelectric sensor 200 exports the first level signal (such as, low level signal).
Further, after heater 300 stops heating, soup juice in cooking container can slowly fall after rise, when soup juice falls back to the light beam of no longer shading light electric transducer 200 transmitting, photoelectric sensor 200 exports the first level signal, after controller 400 receives the first level signal, then through a Preset Time (such as, 2 seconds or 5 seconds), then control heater 300 heats again.Follow-up soup juice still repeats said process when seething with excitement again, until cooking time terminates.Namely micro-wave oven is constantly cooked according to " boiling-stop heating-Tang juice to fall-postpone Preset Time-recovery heating-boiling after rise ", until cooking time terminates, so can ensure that food heats and do not overflow near boiling temperature all the time, the efficiency of heating surface is high, improves again user's experience.This micro-wave oven can not only prevent soup juice from overflowing, and is applicable to multiple food, as various soup, noodle soup, congee etc., and attractive in appearance, clean hygiene, well improves Consumer's Experience.
The micro-wave oven of the embodiment of the present invention, by the signal that photoelectric sensor exports, controller judges whether cooked soup juice group food is about to overflow or whether fall after rise, and then the start and stop of control heater, prevent soup juice to overflow, thus improve the experience of user.
In one embodiment of the invention, realize the no-spill schematic diagram of above-mentioned micro-wave oven as shown in Figure 4, the MC96F8316 in Fig. 4 is single-chip microcomputer, is a citing of controller 400, be not the restriction to controller 400, controller 400 can also be other single-chip microcomputer minimal hardware systems.As shown in Figure 4, the circuit be connected with the port 2,3 of MC96F8316 comprises the first electric capacity C1, the second electric capacity C2, the first crystal oscillator OSC1 and the first resistance R1, in addition, the P20/INT7 pin (port one 6) of output OUT and the MC96F8316 of photoelectric sensor 200 is connected, wherein, photoelectric sensor 200 can adopt the EE-SPZ301-A model of OMRON (being only used to citing).Be connected by control circuit between MC96F8316 with heater (i.e. heater 300), as shown in Figure 4, this control circuit comprises triode Q1, relay R LY1, during whole culinary art, controller 400 is monitoring OUT signal level variation in real time, photoelectric sensor 200 exports second electrical level signal (such as, high level signal) time, controller 400 detects this high level signal, and export RLY_C=0 (RLY_C signal is the control signal of heater 300) at port 22, thus relay R LY1 is disconnected, heater 300 stops heating, when controller 400 detects that photoelectric sensor 200 exports the first level signal (such as, low level signal) time, controller 400 exports RLY_C=1 at port 22, now Q1 conducting, relay R LY1 adhesive, heater 300 starts heating.Wherein, the sequential chart of OUT signal and RLY_C signal as shown in Figure 5.
In one embodiment of the invention, controller 400 also for recording the output state signal of photoelectric sensor 200 when micro-wave oven starts, if photoelectric sensor 200 exports second electrical level signal when micro-wave oven starts, then ignores the output signal of photoelectric sensor 200.
Particularly, if the cooking container that user puts into micro-wave oven is higher than supporting cooking container, or user puts into the food of supporting cooking container beyond container height, when so micro-wave oven starts, the light beam that photoelectric sensor 200 is launched just has been blocked, so, this Time Controller 400 ignores the output signal of photoelectric sensor 200, and heater 300 continues heating.
Due to micro-wave oven heat time band soup group food time, more more easily seethe with excitement backward, so, in one embodiment of the invention, controller 400 also for the number of times of the second electrical level signal of the output of recording light electric transducer 200 in this heating process, and little by little increases Preset Time according to number of times.
In order to realize above-described embodiment, the present invention also proposes a kind of control method of micro-wave oven.
Fig. 6 is the flow chart of the control method of micro-wave oven according to an embodiment of the invention.Wherein, micro-wave oven comprises body of heater, be arranged on the photoelectric sensor of sidewall of the furnace body, be arranged on heater in body of heater and controller, and as shown in Figure 6, the control method of the micro-wave oven of the embodiment of the present invention, comprises the following steps:
S1, controller obtains the output state signal of photoelectric sensor.
Particularly, photoelectric sensor is arranged on sidewall of the furnace body, and such as, photoelectric sensor can be arranged on the fire door side of body of heater, also can be arranged on the sidewall adjacent with fire door.The fire door side being all arranged on body of heater with photoelectric sensor is below described.
More specifically, micro-wave oven has supporting cooking container (such as, bowl), and photoelectric sensor is arranged in fire door, as shown in Figure 2, photoelectric sensor level is towards furnace chamber rear wall, and the setting height(from bottom) of photoelectric sensor will exceed the certain height of supporting cooking container, such as, exceed 10mm, so, the light beam that photoelectric sensor is launched, by the top of cooking container, arrives furnace chamber rear wall reflected light electric transducer 200.And if rising being heated to bubbling expense in cooking container, bubbling is once higher than 10mm, the light beam that photoelectric sensor is launched will be blocked, the light beam launched due to photoelectric sensor is blocked and diffuse reflection by soup juice, can not arrive again furnace chamber rear wall generation mirror-reflection, so photoelectric sensor does not just receive reverberation simultaneously.Thus, can judge that whether the band soup food of cooking container is by overflowing.
S2, controller controls heater according to output state signal.
In one embodiment of the invention, photoelectric sensor exports the first level signal when the light that photoelectric sensor is launched is not blocked, and exports second electrical level signal, as shown in Figure 7 when light is blocked, controller controls heater according to output state signal, specifically comprises:
S21, controller control heater after receiving second electrical level signal stops heating.
S22, judges whether to receive the first level signal.
S23, if so, then control heater heats again after the preset lime.
In one embodiment of the invention, Preset Time is 1-6 second.
Particularly, when being with soup heat foods to when seething with excitement in cooking container, as shown in Figure 3, now soup juice just bubbling is seethed with excitement, bubbling is once higher than 10mm, the light beam that photoelectric sensor is launched will be blocked, the light beam launched due to photoelectric sensor is blocked and diffuse reflection by soup juice, furnace chamber rear wall generation mirror-reflection can not be arrived again simultaneously, reverberation is not so just had to get back to photoelectric sensor yet, photoelectric sensor can't detect utilizing emitted light and then exports second electrical level signal (such as, high level signal), when controller receives second electrical level signal, just control heater stops heating.In addition, when the light beam that photoelectric sensor is launched is not blocked, photoelectric sensor exports the first level signal (such as, low level signal).
Further, after heater stops heating, soup juice in cooking container can slowly fall after rise, when soup juice falls back to the light beam of no longer shading light electric transducer transmitting, photoelectric sensor exports the first level signal, after controller receives the first level signal, then through a Preset Time (such as, 2 seconds or 5 seconds), then control heater heats again.Follow-up soup juice still repeats said process when seething with excitement again, until cooking time terminates.Namely control micro-wave oven constantly to cook according to " boiling-stop heating-Tang juice to fall-postpone Preset Time-recovery heating-boiling after rise ", until cooking time terminates, so can ensure that food heats and do not overflow near boiling temperature all the time, the efficiency of heating surface is high, improves again user's experience.The method can not only prevent soup juice from overflowing, and is applicable to multiple food, as various soup, noodle soup, congee etc., and attractive in appearance, clean hygiene, well improves Consumer's Experience.
The control method of the micro-wave oven of the embodiment of the present invention, by the signal that photoelectric sensor exports, controller judges whether cooked soup juice group food is about to overflow or whether fall after rise, and then the start and stop of control heater, prevent soup juice to overflow, thus improve Consumer's Experience.
In one embodiment of the invention, the control method of micro-wave oven, also comprise: the output state signal of photoelectric sensor when controller record micro-wave oven starts, if photoelectric sensor exports second electrical level signal when micro-wave oven starts, then ignore the output signal of photoelectric sensor.
Particularly, if the cooking container that user puts into micro-wave oven is higher than supporting cooking container, or user puts into the food of supporting cooking container beyond container height, when so micro-wave oven starts, the light beam that photoelectric sensor is launched just has been blocked, so, this Time Controller ignores the output signal of photoelectric sensor, and heater then continues heating.
In one embodiment of the invention, the control method of micro-wave oven, also comprises: the number of times of controller second electrical level signal that recording light electric transducer exports in this heating process, and little by little increases Preset Time according to number of times.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only storage (ROM), erasablely edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a micro-wave oven, is characterized in that, comprising:
Body of heater;
Be arranged on the photoelectric sensor of described sidewall of the furnace body;
Be arranged on the heater in described body of heater; And
Controller, described controller is connected with described photoelectric sensor with described heater, and described controller controls described heater according to the output state signal of described photoelectric sensor.
2. micro-wave oven as claimed in claim 1, it is characterized in that, wherein, described photoelectric sensor exports the first level signal when the light that described photoelectric sensor is launched is not blocked, export second electrical level signal when described light is blocked, described controller controls described heater and stops heating after receiving described second electrical level signal, and judges whether to receive described first level signal, if so, then control described heater after the preset lime again to heat.
3. micro-wave oven as claimed in claim 2, it is characterized in that, wherein, described controller, also for recording the output state signal of described photoelectric sensor when described micro-wave oven starts, if described photoelectric sensor exports second electrical level signal when described micro-wave oven starts, then ignore the output signal of described photoelectric sensor.
4. micro-wave oven as claimed in claim 2, it is characterized in that, described Preset Time is 1-6 second.
5. micro-wave oven as claimed in claim 2, is characterized in that, described controller, also for recording the number of times of the second electrical level signal that described photoelectric sensor exports in this heating process, and little by little increases described Preset Time according to described number of times.
6. a control method for micro-wave oven, is characterized in that, described micro-wave oven comprises body of heater, be arranged on the photoelectric sensor of described sidewall of the furnace body, be arranged on heater in described body of heater and controller, and described control method comprises the following steps:
Described controller obtains the output state signal of described photoelectric sensor;
Described controller controls described heater according to described output state signal.
7. the control method of micro-wave oven as claimed in claim 6, it is characterized in that, described photoelectric sensor exports the first level signal when the light that described photoelectric sensor is launched is not blocked, second electrical level signal is exported when described light is blocked, described controller controls described heater according to described output state signal, specifically comprises:
Described controller controls described heater and stops heating after receiving described second electrical level signal;
Judge whether to receive described first level signal;
If so, then control described heater after the preset lime again to heat.
8. the control method of micro-wave oven as claimed in claim 7, is characterized in that, also comprise:
The output state signal of described photoelectric sensor when micro-wave oven described in described controller record starts, if described photoelectric sensor exports second electrical level signal when described micro-wave oven starts, then ignores the output signal of described photoelectric sensor.
9. the control method of micro-wave oven as claimed in claim 7, it is characterized in that, described Preset Time is 1-6 second.
10. the control method of micro-wave oven as claimed in claim 7, is characterized in that, also comprise:
Described controller records the number of times of the second electrical level signal that described photoelectric sensor exports in this heating process, and little by little increases described Preset Time according to described number of times.
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| CN107048976A (en) * | 2017-03-10 | 2017-08-18 | 李明守 | A kind of Intelligent pan |
| CN110234931A (en) * | 2017-02-24 | 2019-09-13 | 松下知识产权经营株式会社 | Microwave heating equipment and microwave heating method |
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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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| CN110234931A (en) * | 2017-02-24 | 2019-09-13 | 松下知识产权经营株式会社 | Microwave heating equipment and microwave heating method |
| CN107048976A (en) * | 2017-03-10 | 2017-08-18 | 李明守 | A kind of Intelligent pan |
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