CN1320316C - Method for controlling heating temp of microwaven oven - Google Patents
Method for controlling heating temp of microwaven oven Download PDFInfo
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- CN1320316C CN1320316C CNB021531102A CN02153110A CN1320316C CN 1320316 C CN1320316 C CN 1320316C CN B021531102 A CNB021531102 A CN B021531102A CN 02153110 A CN02153110 A CN 02153110A CN 1320316 C CN1320316 C CN 1320316C
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Abstract
The present invention relates to a method for controlling the heating temperature of a microwave oven. The heating temperature of the microwave oven is controlled by three steps., wherein in the step for driving a fan motor, from the temperature in a heating chamber reaches to the preset preheating temperature, fan motor is driven in the first specific time period; in the second step for driving heaters, after the driving step of the fan motor is finished, from the driving stop of the fan motor used as a starting point, a grill heater and a convection heater are simultaneously driven in the second specific time period; in the step of repeated execution, the driving step of the fan motor and the driving step the heaters are repeated carried out according to cooking time inputted by a user. A grill heater and a convection heater are simultaneously started or stopped according to food heated in the heating chamber after the temperature in a heating chamber reaches the preset temperature in a microwave oven in a convection, and besides, the action of the convection heater and the fan motor are relatively started or stopped. Compared with the prior art, the driving time of the fan motor is relatively shortened, and so that the method reduces the amount of air flowing into the heating chamber due to the drive of the fan motor, and the surfaces of cooked objects can not be dried by air in the process of cooking. Thereby, foods are uniformly heated.
Description
Technical field
The present invention relates to a kind of heating and temperature control method of micro-wave oven, more precisely about in the micro-wave oven of convection model, by to the control of fan electromotor and heater invention to the heating and temperature control method aspect of the micro-wave oven that heats in the heating clamber.
Background technology
General micro-wave oven is the device that food is heated by microwave, is provided with magnetron (magnetron) in electric control chamber, and above-mentioned magnetron produces microwave irradiation cooking room inside; The bottom surface of above-mentioned cooking room is provided with the pallet that is used to place cooking-vessel.The bottom of above-mentioned pallet is provided with the pallet motor that is used to rotate above-mentioned pallet in addition.So be placed on food on the above-mentioned pallet along with pallet rotates together, make that being radiated at microwave in the above-mentioned cooking room can be delivered to equably in the food in the container and go, and finally can make food obtain uniform heating.
Above-mentioned micro-wave oven is divided into windscreen modes microwave stove and convection model micro-wave oven substantially, is provided with control in the windscreen modes microwave stove to the windshield device that the heating room air flows into, and is not provided with above-mentioned windscreen in the convection model micro-wave oven.The convection model micro-wave oven that will narrate prior art and the present invention describes below.
Fig. 1 is the inner heated condition figure of heating clamber of the micro-wave oven of prior art.
Need carry out preheating to heating clamber when as shown in the figure, utilizing the micro-wave oven of convection model to cook.The user puts into food in heating clamber, set the cooking time, sets and adjusts temperature.
That is to say,, till the heating indoor temperature reaches design temperature, drive grill heater and convection heater simultaneously for micro-wave oven is carried out preheating.Through special time, the heating indoor temperature reaches design temperature, and then the grill heater that drives with convection heater will stop to drive.Have only convection heater to drive then to heating in the heating clamber.
At this moment convection heater starts (on)/cut out (off) according to the cooking time and drives.As shown in the figure, above-mentioned convection heater was closed in ' S1 ' time period; ' S2 ' time period is in starting state.Wherein ' S2 ' time period is longer than the time of ' S1 ' time period.That is to say that the time of startup is longer than the time of closing.
The driving of above-mentioned convection heater has been arrived the cooking and has been carried out finish-time through after the special time, then above-mentioned convection heater stop to drive, finally finish gastronomical process.By being installed in the display part (not expressing in the drawing) on the micro-wave oven, utilize sound or graphic/text to notify the user to cook and end then.
On the one hand, for to preventing that the food in heating clamber from heating, owing to have only convection heater to drive according to the cooking time, have only a heating source comparatively speaking, so for the driving time that is provided for cooking required heating energy source heater will be elongated.Because the driving time of convection heater is long, can allow to influence the external temperature rising of electric-controlled parts in addition.So for the indoor heat of dispersed-heated, reduce external temperature protection electric-controlled parts, fan electromotor also will drive together.At this moment continuous operation till the gastronomical process that heats in to heating clamber of said fans motor is ended.
Micro-wave oven heating and temperature control method according to the prior art of above-mentioned driving control has following shortcoming.
For the convection model micro-wave oven of prior art, fan electromotor was with continuous operation when the heat energy of heater was supplied in heating clamber, and the leaked-in air amount is also relative in heating clamber pro rata increases with the driving time of fan electromotor.So the surperficial air-dry phenomenon of food can occur, cooking phenomenons such as effect is bad.
This shows that above-mentioned existing micro-wave oven heating and temperature control method still has many defectives, and the assistant officer waits to be improved.
Because the defective that above-mentioned existing micro-wave oven heating and temperature control method exists, the design people is based on being engaged in this type of product design manufacturing for many years, amassing has abundant practical experience and professional knowledge, actively studied innovation, in the hope of founding a kind of improved micro-wave oven heating and temperature control method, make it have more competitiveness.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the defective that existing micro-wave oven heating and temperature control method exists, new make it can reduce in heating clamber leaked-in air amount and provide a kind of, the micro-wave oven heating and temperature control method that heater and fan electromotor action are controlled.
The present invention solves its technical problem underlying and realizes by the following technical solutions.
A kind of heating and temperature control method of micro-wave oven, the micro-wave oven at the convection model that windscreen is not installed is characterized in that: warm-up phase: during grill heater and convection heater drive simultaneously till the heating clamber temperature reaches design temperature; Fan electromotor drives the stage: the preheat temperature that reaches setting from the heating indoor temperature, fan electromotor drives at the 1st special time period, the heater-driven stage: after the said fans motor-driven stage is over, stop to be starting point from the driving of said fans motor, grill heater and convection heater drive at the 2nd special time period simultaneously, execution phase repeatedly:, carry out said fans motor-driven stage and heater-driven stage repeatedly according to the cooking time of user's input.
The present invention solves its technical problem and can also adopt following technical measures further to realize.
It is shorter than the 2nd special time period in above-mentioned heater-driven stage that preceding described fan electromotor drives the 1st special time period in stage.
The present invention compared with prior art has tangible advantage and beneficial effect.By above technical scheme as can be known, by micro-wave temperature control method of the present invention, can bring following effect.
In the present invention, drive grill heater and convection heater simultaneously, relatively shortened the heat driven time that is used for the cooking object, make the heating indoor temperature obtain heating very soon.So the driving shut-in time of grill heater and convection heater is compared with the prior art more relative elongated 2 times.Because the driving shut-in time of above-mentioned grill heater and convection heater is elongated, the external temperature ascensional range that makes it possible to influence electric-controlled parts reduces.So prevented because the ruined phenomenon of electric-controlled parts that external temperature raises and causes.
In addition, compared with the prior art the driving time of fan electromotor has shortened more relatively.Its result has reduced because the driving of fan electromotor flow into the air capacity in the heating clamber, and surperficial air-dry phenomenon can not appear in cooking object in gastronomical process, and food is evenly heated.
Finally, use use of microwave ovens person provided by the invention can access satisfaction to product.
The present invention is on design, the practicality of using and cost benefit, really it is required to meet industry development fully, and disclosed method is unprecedented innovative design, it does not see any publication, do not see more that before application that identical method feature is arranged is known, formerly public, and also not seeing on the market has similar products like, and has novelty really.
Method of the present invention really has more technological progress than the heating and temperature control method of existing micro-wave oven, and its unique control method feature reaches the heating and temperature control method that more can also be far from existing micro-wave oven and can compare, the heating and temperature control method of more existing micro-wave oven has more technical progress, and have the multinomial effect of enhancement, and creative really.
Designer of the present invention studies this series products experience of existing ten several years, existing problem of heating and temperature control method and defective for existing micro-wave oven are quite understood, and the present invention founds according to above-mentioned Study of Defects exploitation, it can reach its intended purposes and effect really, not only on the kenel of space, really belong to innovation, and the true accessory of heating and temperature control method of more existing micro-wave oven has suitable enhancement effect, and existing known control of product method has more technological progress and practicality, and produced handy and practical good effect, and have practicality really.
In sum, the present invention really belongs to innovation on method for designing, and has the multinomial effect of enhancement than the control method of existing product, and method is simple, is suitable for practicality, has the extensive value of industry.It is in limited field, technical development space, no matter bigger improvement is all being arranged on the method for designing or on the function, and have large improvement technically, and produced handy and practical effect, and has the effect of enhancement really, thereby being suitable for practicality more, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction partly of technical solution of the present invention feature, for making the professional and technical personnel can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, below with preferred embodiment of the present invention and conjunction with figs. describe in detail as after.
The specific embodiment of the present invention is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is the inner heated condition figure of heating clamber of the micro-wave oven of prior art.
Fig. 2 is the control structure figure of heating chamber for microwave oven of the present invention inside.
Fig. 3 is the interior heated condition figure of the heating clamber of micro-wave oven of the present invention.
Fig. 4 is the work control flow chart that micro-wave oven of the present invention heats heating clamber.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to its specific embodiment, structure, feature and the effect thereof that foundation the present invention proposes, describe in detail as after.
10, keyboard input part 20, power suppling part
30, control part 40, timer
50, grill heater 60, convection heater
70, fan electromotor 80, temperature sense part
Fig. 2 is the control structure figure of heating chamber for microwave oven of the present invention inside.
As shown in the figure, micro-wave oven of the present invention comprises keyboard input part 10, power suppling part 20, temperature sense part 80, timer 40, grill heater 50, convection heater 60, fan electromotor 70 and control part 30 substantially.Above-mentioned keyboard input part 10 is used for input cooking signal; Above-mentioned power suppling part 20 is used to supply power supply; Said temperature sense part 80 is used to detect the temperature in the heating clamber; Above-mentioned timer 40 is used to calculate the cooking time; Grill heater 50 is used for to grill supply heat energy; Above-mentioned convection heater 60 is used for supplying heat energy in heating clamber; Said fans motor 70 is used for the heat energy in the heating clamber is evenly disperseed; Above-mentioned control part 30 drives product according to the cooking signal of above-mentioned keyboard input part 10 inputs.
Below the course of work of above-mentioned control structure is carried out simple declaration.
To micro-wave oven supply power supply, the user is by keyboard input part 10 input cooking time and cook temperatures.Above-mentioned cooking signal is delivered to above-mentioned control part 30, the above-mentioned control part 30 of receiving above-mentioned cooking signal drives control according to above-mentioned control signal to above-mentioned convection heater 60 and grill heater 50, fan electromotor 70, to the cooking food in the heating clamber.At this moment said temperature sense part 80 detects the interior temperature of heating clamber.
Fig. 3 is the interior heated condition figure of the heating clamber of micro-wave oven of the present invention.
As shown in the figure, in the micro-wave oven of convection model, carry out preheating till reaching design temperature, above-mentioned grill heater 50 and convection heater 60 drive simultaneously between above-mentioned warming up period always.
Through after the certain hour, when the temperature in the heating clamber reaches design temperature, the startup/closing motion together of above-mentioned grill heater 50 and convection heater 60.That is to say as shown in the figure, rise, be in (off) state of closing in ' a ' time period when the heating indoor temperature reaches design temperature.Through above-mentioned ' a ' time period, be in startup (on) state in ' b ' time period.As mentioned above, the startup/closing motion of grill heater (50) and convection heater (60) will be carried out till end of cooking repeatedly.
On the one hand, the driving along with above-mentioned grill heater 50 and convection heater 60 reaches above-mentioned design temperature, and then as shown in the figure, never the fan electromotor 70 that drives begins startup/closing motion.At this moment the above-mentioned relatively convection heater 60 of fan electromotor 70 drives.That is to say that above-mentioned convection heater 60 is in (off) state of cutting out, then said fans motor 70 is in startup (on) state.In addition, above-mentioned convection heater 60 is in startup (on) state, and then said fans motor 70 is in (off) state of cutting out.
Action control procedure to above-mentioned convection heater 60 and said fans motor 70 relative startups/close is elaborated below.
Be in when closing (off) driving condition at above-mentioned grill heater 50 of ' a ' time period and above-mentioned convection heater 60, said fans motor 70 is in startup (on) driving condition.When above-mentioned grill heater 50 of ' b ' time period and above-mentioned convection heater 60 were in startup (on) driving condition, fan electromotor 70 is in closed (off) driving condition.Wherein above-mentioned ' a ' time period is than ' b ' time segment length.
Fig. 4 is the work control flow chart that micro-wave oven of the present invention heats heating clamber.
The 100th stage: apply power supply to micro-wave oven, the user will cook object and put into heating clamber, then by control signals such as 10 input cooking times of keyboard input part, cooking menus.
The 110th stage: imported after the above-mentioned control signal, micro-wave oven begins to heat, and that is to say, grill heater 50 and convection heater 60 drive.
The 120th stage:, drive the heating indoor temperature by above-mentioned grill heater 50 and convection heater 60 and reach design temperature (design temperature is 200 degree Celsius in the embodiments of the invention) through after the certain hour.Wherein heating indoor temperature, whether to reach design temperature be to finish by temperature sense part 80.
As shown in Figure 3, above-mentioned heating indoor temperature reaches design temperature (Celsius 200 spend) then, and above-mentioned grill heater 50, convection heater 60 and fan electromotor 70 will begin to drive startup/closing motion.
That is to say for the 130th stage: said fans motor 70 drove in ' a ' time period (former senior middle school a little be ' b ' time period).
The 140th stage: through above-mentioned ' a ' time period (former senior middle school a little be ' b ' time period) afterwards, above-mentioned grill heater 50, convection heater 60 drove in ' b ' time period (former senior middle school a little be ' a ' time period).
The 150th stage: carry out above-mentioned the 130th stage and the 140th stage repeatedly according to the cooking time, control part 30 has judged whether to reach the cooking finish-time that the user set in the 100th stage.If reached in above-mentioned the 150th stage judged result then stopped the driving of micro-wave oven.
By above-mentioned to explanation of the present invention, can recognize that basic fundamental thought of the present invention is: for heat food in heating clamber, simultaneously grill heater and convection heater are started/close driving, the relative startup of action of above-mentioned in addition convection heater and fan electromotor/close.
By above-mentioned control, grill heater and convection heater are in startup/driving simultaneously till reaching design temperature, and fan electromotor is in the driving closed condition.Reach design temperature when heating indoor temperature, then grill heater and convection heater drive simultaneously and start/close; When convection heater is in when cutting out driving condition, the driving of fan electromotor is in the startup driving condition.
Up to the present, though be that the center has been described in detail to embodiments of the invention, the personnel that have general knowledge in the technical field of the invention can propose a lot of distortion in basic fundamental thought range of the present invention.Basic fundamental thought of the present invention is embodied in the patent request scope, and all differences point in the equal with it scope all should be interpreted as belonging in the scope of the present invention.
Claims (2)
1, a kind of heating and temperature control method of micro-wave oven, the micro-wave oven at the convection model that windscreen is not installed is characterized in that:
Warm-up phase: during grill heater and convection heater drive simultaneously till the heating clamber temperature reaches design temperature;
Fan electromotor drives the stage: from heating the preheat temperature that indoor temperature reaches setting, fan electromotor drives at the 1st special time period,
The heater-driven stage: after the said fans motor-driven stage is over, stop to be starting point from the driving of said fans motor, grill heater and convection heater drive at the 2nd special time period simultaneously,
Execution phase repeatedly:, carry out said fans motor-driven stage and heater-driven stage repeatedly according to the cooking time of user's input.
2, the heating and temperature control method of micro-wave oven according to claim 1, it is shorter than the 2nd special time period in above-mentioned heater-driven stage to it is characterized in that described fan electromotor drives the 1st special time period in stage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021531102A CN1320316C (en) | 2002-11-26 | 2002-11-26 | Method for controlling heating temp of microwaven oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021531102A CN1320316C (en) | 2002-11-26 | 2002-11-26 | Method for controlling heating temp of microwaven oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1502856A CN1502856A (en) | 2004-06-09 |
| CN1320316C true CN1320316C (en) | 2007-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021531102A Expired - Fee Related CN1320316C (en) | 2002-11-26 | 2002-11-26 | Method for controlling heating temp of microwaven oven |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100821731B1 (en) * | 2006-11-29 | 2008-04-14 | 엘지전자 주식회사 | Preheating method of oven |
| EP2126473A4 (en) | 2007-01-17 | 2010-03-03 | Lg Electronics Inc | Oven |
| CN102644951B (en) * | 2011-02-22 | 2016-06-29 | 乐金电子(天津)电器有限公司 | The control device and method of barbecue tube |
| KR101851219B1 (en) * | 2011-06-24 | 2018-06-11 | 삼성전자주식회사 | Tray for microwave oven, microwave oven having the same, control method for microwave oven and manufacturing method of tray for microwave oven |
| CN109171484B (en) * | 2018-09-14 | 2021-02-26 | 广东美的厨房电器制造有限公司 | Control method of cooking appliance and cooking appliance |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158398A (en) * | 1995-12-30 | 1997-09-03 | Lg电子株式会社 | Grill/convection microwave oven and convection cooking method thereof |
| JP2001004150A (en) * | 1999-06-25 | 2001-01-12 | Sanyo Electric Co Ltd | Heating cooking apparatus |
| CN1299943A (en) * | 1999-12-11 | 2001-06-20 | Lg电子株式会社 | Convection-fan controlling method for microwave oven |
| JP2002071143A (en) * | 2000-08-30 | 2002-03-08 | Sanyo Electric Co Ltd | Cooker |
-
2002
- 2002-11-26 CN CNB021531102A patent/CN1320316C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158398A (en) * | 1995-12-30 | 1997-09-03 | Lg电子株式会社 | Grill/convection microwave oven and convection cooking method thereof |
| JP2001004150A (en) * | 1999-06-25 | 2001-01-12 | Sanyo Electric Co Ltd | Heating cooking apparatus |
| CN1299943A (en) * | 1999-12-11 | 2001-06-20 | Lg电子株式会社 | Convection-fan controlling method for microwave oven |
| JP2002071143A (en) * | 2000-08-30 | 2002-03-08 | Sanyo Electric Co Ltd | Cooker |
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| CN1502856A (en) | 2004-06-09 |
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Granted publication date: 20070606 Termination date: 20111126 |