CN1779339A - Microwave oven and its controlling method - Google Patents
Microwave oven and its controlling method Download PDFInfo
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- CN1779339A CN1779339A CN 200410072782 CN200410072782A CN1779339A CN 1779339 A CN1779339 A CN 1779339A CN 200410072782 CN200410072782 CN 200410072782 CN 200410072782 A CN200410072782 A CN 200410072782A CN 1779339 A CN1779339 A CN 1779339A
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- heater
- tooth plate
- lower heater
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Abstract
There is disclosed a microwave oven and its control method, in which the microwave oven includes an upper heater disposed at the top end of the oven cavity, a lower heater located under the upper heater and a toothed plate located between the upper and lower heaters. The control method includes the following steps: when pressing the roasting keys on both sides of the microwave oven, receiving the input signal and then determining whether the lower heater is in a horizontal position; determining whether the toothed plate is in existence when the lower heater is in the horizontal position and displaying the indicated item according to existing or not of the toothed plate.
Description
Technical field
The present invention relates to a kind of micro-wave oven and control method thereof.
Background technology
Usually micro-wave oven is a drive source with the electric energy, the equipment that utilizes electromagnetic wave to cook.But, in nearest a lot of micro-wave ovens, other heating sources such as heater are set also except magnetron, the heat that is generated is circulated cook, perhaps the position of heater is controlled and cooked.
As shown in Figure 1, existing micro-wave oven constitutes by main body with around the shell 1 of main body outward appearance.One side of aforementioned body is formed with barbecue chamber 2, and opposite side is provided with distribution chamber 3, is provided with various micro-wave ovens in the distribution chamber 3 and drives required various parts.
In addition, shown in Fig. 2 a and Fig. 2 b, be provided with the heater 10 of barbecue use in the above-mentioned barbecue chamber.
Existing above-mentioned heater assembly 10 by the motor 11 that is arranged on above-mentioned micro-wave oven bottom and with the gear part 12 of above-mentioned motor 11 interlocks, and is connected heater 13 formations that are rotated along with the rotation of motor 11 with said gear portion 12.In addition, above-mentioned heater adstante febre, in order to reduce heat loss, the above-mentioned heater back side is provided with heater housing 14.
Heater action when cooking not roasting with reference to Fig. 2 a describes.At this moment heater does not generate heat.In addition, under the control of microprocessor 50,,, heater is transplanted on the rear wall in barbecue chamber 2 by just changeing with the direction of arrow with the gear part 12 of motor 11 interlock along with the driving of motor 11.
With reference to Fig. 2 b, the heater action when cooking roasting describes.After in pallet, putting into the food that needs barbecue, press the beginning key.At this moment, under the control of microprocessor 50,, reverse with the direction of arrow, heater is transplanted on the center side of roasting chamber 2, i.e. food top with the gear part 12 of motor 11 interlocks along with the driving of motor 11.Afterwards, the heater heating is cooked food.
But the existing micro-wave oven of said structure has following problem:
The 1st, when roasting culinary art, heater generates heat after being positioned at barbecue center side food top, chamber, so most of heat can be shifted to heater top by the free convection heat in the space of sealing.And then make the heater that utilizes barbecue inside, chamber, when the food that is placed on the heater bottom was cooked, its efficient was very low.For this reason, though be provided with heater housing at the back side of heater,, still can not fundamentally prevent convection current.Heater housing can only reflecting heat, the still heat loss that can exist heat to bring to top free convection.The problem that also has the cooking time prolongation in addition.
The 2nd, from cooking the form of back food, following problem is arranged then: promptly, when the heater that is positioned at food top carries out heater to food, when the top of food is roasting good, also does not bake the food bottom, and it is burned top to occur, and the bottom does not also have ripe situation, and then, as thinking that the two sides all bakes, the user must stir food often back and forth, so ask the problem of prolongation when culinary art is arranged.
Summary of the invention
In order to overcome the above-mentioned shortcoming that prior art exists, the invention provides a kind of micro-wave oven and control method thereof, to reduce the heat loss of heater, shorten cooking time; And when roasting culinary art, need not manually stir food, also can roast, shorten cooking time the two sides.
Micro-wave oven of the present invention is:
A kind of micro-wave oven is characterized in that it comprises upper portion heater, and lower heater and tooth plate, above-mentioned upper portion heater are arranged on barbecue upper end, chamber; Above-mentioned lower heater is positioned at the bottom of above-mentioned upper portion heater; Above-mentioned tooth plate is between above-mentioned upper portion heater and lower heater.
Aforesaid micro-wave oven, wherein upper portion heater is a fixed, above-mentioned lower heater is a changeable type.
Aforesaid micro-wave oven, wherein it also comprises tooth plate monitoring switch and control assembly; Above-mentioned tooth plate monitoring switch is used to judge that whether above-mentioned tooth plate exists; Whether control assembly exists according to above-mentioned tooth plate, and above-mentioned lower heater is controlled.
Method for controlling microwave oven of the present invention is:
A kind of method for controlling microwave oven is characterized in that, it comprised with the next stage: when pressing micro-wave oven two sides barbecue button, receive above-mentioned input signal, simultaneously whether lower heater is horizontal the stage of judging; When above-mentioned lower heater is horizontal, to the stage that whether exists above-mentioned tooth plate to judge; Whether exist according to above-mentioned tooth plate to show the stage of indicating item,, handle above-mentioned tooth plate according to the demonstration of above-mentioned indication item.
Aforesaid method for controlling microwave oven wherein also comprises when above-mentioned lower heater is not horizontal in addition, drives the stage of above-mentioned lower heater.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is existing micro-wave oven stereoscopic schematic diagram.
Fig. 2 a is the I-I sectional drawing of Fig. 1, is the state diagram of the heater configuration structure of prior art,
Fig. 2 b is the I-I sectional drawing of Fig. 1, is the state diagram of the heater adstante febre of prior art
Fig. 3 is the micro-wave oven front view of the embodiment of the invention.
Fig. 4 is the II-II sectional drawing of Fig. 3.
Fig. 5 is the A portion enlarged diagram of Fig. 3.
Fig. 6 is a method for controlling microwave oven flow chart of the present invention.
The number in the figure explanation:
20: food 30: lower heater
40: upper portion heater 50: microprocessor
60: tooth plate 62: tooth plate position monitoring switch
65: the tooth plate gathering sill
The specific embodiment
Below with reference to the upper portion heater 40 in Fig. 3, the 4 pairs of heating arrangements of the present invention, lower heater 30, and tooth plate 60 describes.
Above-mentioned upper portion heater 40 is a fixed, and above-mentioned lower heater 30 is a changeable type.Above-mentioned upper portion heater 40 is arranged on upper end, barbecue chamber central portion.In addition, above-mentioned upper portion heater 40 is arranged on upper end, above-mentioned barbecue chamber by assemblies such as screws.The resistive conductor of above-mentioned upper portion heater is positioned at and the barbecue similar height place of casing 4 apparent heights, chamber.In addition, on the top of above-mentioned upper portion heater resistive conductor heater housing can also be set.
The resistive conductor waveform of above-mentioned upper portion heater and the waveform of bottom resistive conductor are different.For example, above-mentioned lower heater resistive conductor is a pulse wave, above-mentioned upper portion heater resistance scroll saw ripple or the different impulse waveform of frequency.
Above-mentioned lower heater 30 is arranged on the casing bottom that forms inside, above-mentioned barbecue chamber.In addition, above-mentioned lower heater 30 is connected with motor 11 with heater-driven in inside, said machine casing lower end under the state that heater housing is not set.In addition, above-mentioned motor and gear part 12 interlocks, said gear portion is connected with microprocessor 50, and controlled by it.Above-mentioned lower heater is the center with 11 in above-mentioned motor, the positive counter-rotating in above-mentioned barbecue chamber 2.Explanation to the action of above-mentioned lower heater 30 illustrated, in the prior art so here no longer describe.
In addition, the tooth plate 60 that adopts among the present invention is set in place on the tooth plate guide on the casing of two sides, above-mentioned barbecue chamber.Above-mentioned tooth plate guide has gathering sill 65.Above-mentioned tooth plate 60 is between above-mentioned upper portion heater 40 and above-mentioned lower heater 30.Above-mentioned tooth plate 60 is shaped as quadrangle, and the surface configuration of plate is have depression ditch and projection wavy.Above-mentioned tooth plate 60 can make the food middle position between upper portion heater 40 and lower heater 30 that places on the tooth plate 60.
With reference to Fig. 5 characteristics and the tooth plate monitoring switch that tooth plate is provided with the position described.
The left side wall central portion of contiguous said machine casing is formed with the tooth plate guide with a tooth plate gathering sill 65.Place food to be used for that food is roasted when culinary art.In addition, the shape of tooth plate guide does not adopt the groove shape, adopts the shape of protruding, and is inserted on the tooth plate to be fine yet.
In addition, above-mentioned tooth plate guide is provided with the tooth plate monitoring switch whether monitoring exists tooth plate.Above-mentioned tooth plate monitoring switch when having tooth plate in barbecue inside, chamber, does not drive lower heater, in order to avoid tooth plate and lower heater produce conflict.Above-mentioned tooth plate monitoring switch 62 is a kind of of limit switch, is made of the protrusion 63 and the elastomeric element 64 that protrude from the tooth plate guide.In addition, above-mentioned tooth plate monitoring switch is connected with microprocessor 50, and microprocessor 50 leaves/closes by the monitoring switch, and the changeable type heater is controlled.The convex shape of above-mentioned tooth plate monitoring switch 62 is a round barrel shape, and the elastomeric element that protrusion is heavy is made of spring.
Below, with reference to Fig. 6 method for controlling microwave oven of the present invention is described.
For the food two sides is roasted, the tooth plate of placing food is between upper portion heater and lower heater.When driving above-mentioned lower heater, can avoid the method for controlling microwave oven that conflicts with tooth plate as follows.
When utilizing micro-wave oven to roast culinary art,, press barbecue key S1 at first by the button on the control panel of micro-wave oven.At this moment, whether the microprocessor that is arranged in the micro-wave oven is horizontal the lower heater that is arranged on barbecue bottom, chamber, judges S3.Above-mentioned judgement is being carried out before heating installation power supply.Because only when lower heater is positioned at horizontal level, could carry out the two sides barbecue to food.
Its judged result is an above-mentioned changeable type heater when being horizontal, and by the tooth plate monitoring switch that is connected with microprocessor, to whether having tooth plate in the barbecue chamber, judges S11.As there being the tooth plate that is placed with food, then press the beginning key in the barbecue chamber, heat, food is carried out two sides barbecue S15.The opposite non-existent words of tooth plate show in the micro-wave oven panel that by being controlled at of microprocessor the demonstration of indication item part needs to insert tooth plate S13.At this moment, insert tooth plate, put into food again after, press the beginning key 15 that is used for the two sides barbecue.
In addition, when above-mentioned changeable type heater is not in horizontal level,,, judge S5 to whether having tooth plate in the barbecue chamber by the tooth plate monitoring switch that is connected with microprocessor.At this moment in order to prevent lower heater and tooth plate conflict.That is, do not exist, then, can rotate to horizontal level S7 to above-mentioned lower heater by drive motors as tooth plate.Exist as tooth plate on the contrary, show on above-mentioned panel by microprocessor then and remove tooth plate that S9 simultaneously gives a warning.So above-mentioned control method of microwave oven can prevent that changeable type heater or tooth plate are impaired.And then, can at tooth plate between above-mentioned upper portion heater and the lower heater that is horizontal, carry out the two sides barbecue to food.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Micro-wave oven of the present invention and control method thereof have following effect:
The 1st, among the present invention, food is held in place on the tooth plate on lower heater top, can be from lower Make progress most of heat of free convection of section's heater is used for food roasting. And then can reduce the bottom heating The heat loss of device, and can shorten cooking time.
The 2nd, heater is arranged on the upper and lower of food, can remove the user from and manually stir food Operation, and then shorten cooking time.
Claims (5)
1, a kind of micro-wave oven is characterized in that, it comprises upper portion heater, lower heater and tooth plate,
Above-mentioned upper portion heater is arranged on barbecue upper end, chamber;
Above-mentioned lower heater is positioned at the bottom of above-mentioned upper portion heater;
Above-mentioned tooth plate is between above-mentioned upper portion heater and lower heater.
2, micro-wave oven according to claim 1 is characterized in that above-mentioned upper portion heater is a fixed, and above-mentioned lower heater is a changeable type.
3, micro-wave oven according to claim 1 and 2 is characterized in that it also comprises tooth plate monitoring switch and control assembly; Above-mentioned tooth plate monitoring switch is used to judge that whether above-mentioned tooth plate exists; Whether control assembly exists according to above-mentioned tooth plate, and above-mentioned lower heater is controlled.
4, a kind of method for controlling microwave oven is characterized in that, it comprised with the next stage: when pressing micro-wave oven two sides barbecue button, receive above-mentioned input signal, simultaneously whether lower heater is horizontal the stage of judging;
When above-mentioned lower heater is horizontal, to the stage that whether exists above-mentioned tooth plate to judge;
Whether exist according to above-mentioned tooth plate and to show the stage of indicating item;
According to the demonstration of above-mentioned indication item, handle above-mentioned tooth plate.
5, method for controlling microwave oven according to claim 4 is characterized in that, also comprises when above-mentioned lower heater is not horizontal in addition, drives the stage of above-mentioned lower heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100727826A CN100470136C (en) | 2004-11-18 | 2004-11-18 | Microwave oven and its controlling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100727826A CN100470136C (en) | 2004-11-18 | 2004-11-18 | Microwave oven and its controlling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1779339A true CN1779339A (en) | 2006-05-31 |
| CN100470136C CN100470136C (en) | 2009-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100727826A Expired - Fee Related CN100470136C (en) | 2004-11-18 | 2004-11-18 | Microwave oven and its controlling method |
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| CN (1) | CN100470136C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009079955A1 (en) * | 2007-12-20 | 2009-07-02 | Lg Electronics Tianjin Appliances Co., Ltd. | Microwave oven with barbecue function |
| CN101936551A (en) * | 2009-07-03 | 2011-01-05 | 乐金电子(天津)电器有限公司 | Novel barbecue type microwave oven |
| CN102112811A (en) * | 2008-08-08 | 2011-06-29 | 夏普株式会社 | Heating cooker |
| CN101464013B (en) * | 2007-12-20 | 2011-07-06 | 乐金电子(天津)电器有限公司 | Micro-wave oven with baking function |
| CN102384502A (en) * | 2010-08-31 | 2012-03-21 | 乐金电子(天津)电器有限公司 | Fixing structure for rotary roasting pipes of microwave oven |
| CN103721691A (en) * | 2014-01-22 | 2014-04-16 | 湖北君集水处理有限公司 | Movable rake tooth type microwave oven for regenerating powdered activated carbon |
| CN104006422A (en) * | 2014-05-14 | 2014-08-27 | 合肥荣事达三洋电器股份有限公司 | Multi-surface barbecue-type microwave oven and barbecue control method thereof |
| CN110710889A (en) * | 2019-10-27 | 2020-01-21 | 宁波方太厨具有限公司 | Cooking equipment |
-
2004
- 2004-11-18 CN CNB2004100727826A patent/CN100470136C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009079955A1 (en) * | 2007-12-20 | 2009-07-02 | Lg Electronics Tianjin Appliances Co., Ltd. | Microwave oven with barbecue function |
| CN101464013B (en) * | 2007-12-20 | 2011-07-06 | 乐金电子(天津)电器有限公司 | Micro-wave oven with baking function |
| CN102112811A (en) * | 2008-08-08 | 2011-06-29 | 夏普株式会社 | Heating cooker |
| CN101936551A (en) * | 2009-07-03 | 2011-01-05 | 乐金电子(天津)电器有限公司 | Novel barbecue type microwave oven |
| CN102384502A (en) * | 2010-08-31 | 2012-03-21 | 乐金电子(天津)电器有限公司 | Fixing structure for rotary roasting pipes of microwave oven |
| CN102384502B (en) * | 2010-08-31 | 2015-05-20 | 乐金电子(天津)电器有限公司 | Fixing structure for rotary roasting pipes of microwave oven |
| CN103721691A (en) * | 2014-01-22 | 2014-04-16 | 湖北君集水处理有限公司 | Movable rake tooth type microwave oven for regenerating powdered activated carbon |
| CN103721691B (en) * | 2014-01-22 | 2015-09-30 | 湖北君集水处理有限公司 | A kind of mobile rake tooth type microwave oven for Powdered Activated Carbon regeneration |
| CN104006422A (en) * | 2014-05-14 | 2014-08-27 | 合肥荣事达三洋电器股份有限公司 | Multi-surface barbecue-type microwave oven and barbecue control method thereof |
| CN104006422B (en) * | 2014-05-14 | 2016-02-24 | 惠而浦（中国）股份有限公司 | A kind of multiaspect barbecue type microwave oven and barbecue control method thereof |
| CN110710889A (en) * | 2019-10-27 | 2020-01-21 | 宁波方太厨具有限公司 | Cooking equipment |
| CN110710889B (en) * | 2019-10-27 | 2022-01-14 | 宁波方太厨具有限公司 | Cooking equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100470136C (en) | 2009-03-18 |
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Granted publication date: 20090318 Termination date: 20111118 |