CN1467423A - Micro-wave oven heating time compensation method - Google Patents
Micro-wave oven heating time compensation method Download PDFInfo
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- CN1467423A CN1467423A CNA021242305A CN02124230A CN1467423A CN 1467423 A CN1467423 A CN 1467423A CN A021242305 A CNA021242305 A CN A021242305A CN 02124230 A CN02124230 A CN 02124230A CN 1467423 A CN1467423 A CN 1467423A
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Abstract
The present invention provides a microwave oven warming time compensation process characterized by that, the barbecue effect is improved by extending the actuation time of the lower sleeve heater, when the user requested in-chamber temperature reaches the specified temperature, the microwave oven lower sleeve heater is made to work for another period of time, by the conversion movement of ON/OFF for realizing the heating energy till the completion of the cooking procedure. The invention can increase the barbecue effect on the bottom surface of the cooked food, thus acquiring the food through uniformly heating.
Description
Technical field
The present invention relates to continue to drive the lower end double pipe heater when temperature reaches institute's fixed temperature in a kind of micro-wave oven heating means, the especially microwave oven cavity, to improve the micro-wave oven heating time compensation method of food barbecue effect.
Background technology
In general, micro-wave oven is to produce microwave by electric current, and the device of heat food is come in the inside that microwave is injected into heating clamber.Such micro-wave oven for heat food under higher temperature, is provided with heater because the variation of heat characteristic has possessed many functions.The micro-wave oven that has heater has overcome the single heating characteristic of utilizing microwave, can be under higher temperature heat food, or foodstuff surface roasted processing.Above-mentioned micro-wave oven produces microwave and arranges by driving magnetron, perhaps utilizes the heat of emitting of heater to arrange, and perhaps drives magnetron simultaneously and heater is arranged.
Temperature compensating method of microwave oven to the prior art design describes below:
Fig. 1 is the heater side cut away view that is arranged in the common microwave stove.As shown in the figure, be provided with fire door 10, formed cavity 20 in the inside of micro-wave oven in the front of micro-wave oven.In cavity 20, be provided with the food dish 30 of placing food, the rotary tray motor (not shown) be set in order to rotate food dish 30.For the food of heating cavity 20 inside, be provided with the heater that heat energy is provided.Heater comprises upper sleeve portion (sheath) heater 40a and ceramic heater 60 and the halo heater 50 that is arranged on the cavity upper end, directly gives to be placed on the food delivery heat that food coils 30 upper ends.And, being provided with lower end double pipe heater 40b in the lower end of food dish 30, the food in the feeding dish 30 provides heat.Make the surface of food obtain the barbecue processing.The power output of upper sleeve portion heater is about 1100w, and the power output of lower end double pipe heater is about 700w, and the power output of halo heater and ceramic heater all is 450w.
Heater action control procedure with above-mentioned power output is carried out following explanation:
When the user imported signals such as toast bread, potato, the upper and lower side double pipe heater was started working.And during foods such as grilled lamb chops because of the higher heat energy of needs, therefore, upper and lower side double pipe heater, halo heater, ceramic heater is worked simultaneously that heat energy is provided, and upper sleeve portion heater, halo heater, ceramic heater etc. provide heat energy during roasting fresh meat.Requirement according to the user drives each heater, and the controlled condition of heater is set on the microcontroller.
Duty to the heater of above-mentioned setting describes:
Fig. 2 is the heating work state diagram of compensation micro-wave oven heat time heating time of prior art design.At first, the user selects the cooking mode, and input cooking commencing signal.According to the signal that the user imported, heater and magnetron are started working.At this moment as shown in Figure 1, be arranged on the double pipe heater 40a of cavity upper and lower side, 40b, halo heater 50 or ceramic heater 60 etc. injects inside cavity with heat, the food in the heating cavity 20.Described heater is started working to the movement state diagram that heat is provided in the cavity 20 as shown in Figure 2.That is, the user selects to arrange function and begins to arrange, described upper and lower side double pipe heater 40a, and 40b, halo heater 50 and ceramic heater 60 are kept the ON state, continue to provide heat energy.
Aforesaid lasting ON state, provide heat to cavity 20 inside, and through behind the certain hour, if when the inside cavity temperature has reached design temperature, heating source in the cabinet, promptly upper and lower side double pipe heater, ceramic heater and halo heater are implemented ON/OFF conversion driving simultaneously.At this moment, if described heater is implemented the ON function, then continuing to give in the cabinet provides heat, if implement OFF function, stop supplies heat energy.And above-mentioned ON/OFF conversion drives to be proceeded till cooking finishes.
Drive rotary tray motor (not shown) and fan electromotor (not shown) when simultaneously, micro-wave oven starts by user's requirement.Described fan electromotor is the fan that is used in the magnetron that drives another heating source use of cooling.As shown in the figure, the user starts when importing the cooking signal together, reaches design temperature and works on till finishing cooking later on.
But, the micro-wave oven heating-up temperature compensation method of prior art has following problem: the heating source major part of food all is positioned at the upper end of cavity in the heating microwave oven cavity, therefore through the certain hour heat food, can find that the heat that the relative lower end, upper end of food is subjected to is more.Though this is because the heating source of upper and lower side is worked simultaneously, the energy of upper end heating source is bigger than lower end heating source generally.Therefore the barbecue effect of food bottom surface is not so good, can not obtain satisfied cooking effect.
Summary of the invention
Technical problem to be solved by this invention provides a kind of driving heater and makes after temperature reaches design temperature in the cavity, in order to improve the barbecue effect of food bottom surface, drives the micro-wave oven heating time compensation method of lower end double pipe heater a period of time again.
In order to address the above problem, the technical solution used in the present invention is a kind of micro-wave oven heating time compensation method, it is characterized in that in the micro-wave oven of the lower end heater of upper end heater that possesses cavity upper end and food dish lower end, carrying out following stage control: (a) input cooking signal; (b) drive the upper and lower side heater according to described cooking signal, make the interior temperature of cavity reach design temperature; (c) after temperature reaches design temperature in cavity, continue to drive described lower end heater certain hour, heat energy is provided, and then continue to carry out ON/OFF conversion driving, finish up to cooking.
The invention has the beneficial effects as follows requirement according to the user, after reaching design temperature, the heating source that is arranged on the cavity lower end carries out the ON/OFF switching motion of a period of time again, the barbecue effect of food bottom surface is improved, thereby finally the food that can evenly be heated increases the satisfaction of user to product.
Description of drawings
Fig. 1 is the side cut away view that heater is installed in common microwave stove.
Fig. 2 is the microwav eoven heater workflow diagram of prior art design.
Fig. 3 is the microwav eoven heater workflow diagram that the present invention designs.
Fig. 4 is the compensation micro-wave oven workflow diagram of heat time heating time that is of the present invention.
Among the figure, 10: fire door; 20: cavity; 30: the food dish; 40a, 40b: sleeve pipe (sheath) heater; 50: the halo heater; 60: ceramic heater.
The specific embodiment
Below in conjunction with the drawings and specific embodiments micro-wave oven heating time compensation method of the present invention is described in further detail:
After the user used the function key on the micro-wave oven to select cooking, by the beginning key, the heater of micro-wave oven, magnetron, fan electromotor, rotary tray motor began to drive.Rotate the rotary electric machine (not shown) of food dish and the fan electromotor that the fan of magnetron (not shown) is cooled off in driving, when the user imports the cooking signal, drive.And heater temperature in cavity reaches design temperature and continues later on to rotate, and finishes up to cooking.
On the contrary, as shown in Figure 3, heater heating process is as follows: promptly, the double pipe heater 40a that is arranged on the cavity upper end works till reaching user's design temperature always, and upper sleeve portion heater 40a, after temperature reaches user's design temperature in through the certain hour cavity, drive by certain time interval.The halo heater 50 that is set in cavity 20 upper ends is identical with upper sleeve portion heating 40a, begins to start up to reaching design temperature according to user's cooking signal, keeps the ON state always.And halo heater 50 drives through certain hours, reach the design temperature that the user requires after, press certain hour at interval ON/OFF drive and change.Lower end heater 40b keeps the ON state according to user's input signal always till reaching design temperature.When reaching design temperature through the certain hour in-cabinet temperature, lower end double pipe heater 40b continues to drive " A " time.Thus, the food bottom surface can be subjected to more heat, improves cooking speed and cooking quality.
The reason of transmitting more heats for cooking bottom surface, chamber is that common heating source majority is arranged at the upper end, and it is many to accept heat through the upper end of food after the identical time.Therefore, through finding behind the certain hour that the barbecue effect of food upside is better than downside.After temperature reaches design temperature in the cavity, again the heating of " A " time is carried out in the lower end of food in the present invention, can compensate the heat time heating time of food downside.Improved the barbecue effect of cooking bottom surface, chamber.
Certain hour " A " is set at 3-5 minute in the present invention, and this only limits to this example, can suitably regulate the time " A " according to the cooking function.
With reference to the heater movement state diagram, the micro-wave oven heating time compensation method that the present invention is designed further specifies:
As shown in Figure 4, when the user imports the cooking signal, i.e. in the 100th stage, signal can be passed to the micro computer (not shown), with control heater and driving magnetron.At this moment, heater 40a, 40b, 50,60 provide heat to inside cavity as shown in Figure 3, i.e. the 110th stage; When temperature has reached the required temperature of user, i.e. the 120th stage is after micro computer is judged, control upper end heater 40a, halo heater 50, ceramic heater 60 enter the ON/OFF switch motion, i.e. the 139th stage, finish, start repeatedly and stop up to cooking.
Simultaneously, when the 120th stage reached design temperature, make lower end double pipe heater 40b drive a period of time " A ", i.e. the 150th stage again through the micro computer judgement.After elapsed time " A ", be i.e. in the 160th stage, finish to make heater to enter up to cooking and start the conversion and control stage that stops, i.e. the 140th stage.
By above explanation as can be known, drive micro-wave oven in the present invention through reaching the design temperature that the user requires behind the certain hour.Meanwhile, upper sleeve portion heater, halo heater, ceramic heater begin to carry out the ON/OFF switching motion, finish up to cooking.But the double pipe heater that is arranged on the cavity lower end carries out the ON/OFF switching motion behind heating certain hour " A ", and major technique thinking of the present invention is to finish to continue to carry out the ON/OFF switching motion up to cooking.
Believe that the knowledgeable people in the technical scope can bring some new variations to the present invention under the present invention, but this should explain in scope of authority of the present invention all.
Claims (1)
1. micro-wave oven heating time compensation method is characterized in that carrying out following stage control in the micro-wave oven of the lower end heater of upper end heater that possesses the cavity upper end and food dish lower end:
(a) input cooking signal;
(b) drive the upper and lower side heater according to described cooking signal, make the interior temperature of cavity reach design temperature;
(c) after temperature reaches design temperature in cavity, continue to drive described lower end heater certain hour, heat energy is provided, and then continue to carry out ON/OFF conversion driving, finish up to cooking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021242305A CN1289865C (en) | 2002-07-12 | 2002-07-12 | Micro-wave oven heating time compensation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021242305A CN1289865C (en) | 2002-07-12 | 2002-07-12 | Micro-wave oven heating time compensation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1467423A true CN1467423A (en) | 2004-01-14 |
| CN1289865C CN1289865C (en) | 2006-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021242305A Expired - Fee Related CN1289865C (en) | 2002-07-12 | 2002-07-12 | Micro-wave oven heating time compensation method |
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| Country | Link |
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| CN (1) | CN1289865C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101280931B (en) * | 2007-04-05 | 2011-10-05 | 上海松下微波炉有限公司 | Micro-wave oven and control method thereof |
| CN105605630A (en) * | 2014-11-21 | 2016-05-25 | 上海松下微波炉有限公司 | Dual power roasting microwave oven and cooking method by using dual power roasting microwave oven |
-
2002
- 2002-07-12 CN CNB021242305A patent/CN1289865C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101280931B (en) * | 2007-04-05 | 2011-10-05 | 上海松下微波炉有限公司 | Micro-wave oven and control method thereof |
| CN105605630A (en) * | 2014-11-21 | 2016-05-25 | 上海松下微波炉有限公司 | Dual power roasting microwave oven and cooking method by using dual power roasting microwave oven |
| CN105605630B (en) * | 2014-11-21 | 2019-04-16 | 上海松下微波炉有限公司 | Double dynamical grill microwave oven and its cooking methods |
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| Publication number | Publication date |
|---|---|
| CN1289865C (en) | 2006-12-13 |
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Granted publication date: 20061213 Termination date: 20140712 |
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| EXPY | Termination of patent right or utility model |