CN1302978A - Heating device for microwave oven - Google Patents
Heating device for microwave oven Download PDFInfo
- Publication number
- CN1302978A CN1302978A CN00129942A CN00129942A CN1302978A CN 1302978 A CN1302978 A CN 1302978A CN 00129942 A CN00129942 A CN 00129942A CN 00129942 A CN00129942 A CN 00129942A CN 1302978 A CN1302978 A CN 1302978A
- Authority
- CN
- China
- Prior art keywords
- heater
- heat
- food
- reflecting plate
- wave oven
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H05B6/76—Prevention of microwave leakage, e.g. door sealings
- H05B6/766—Microwave radiation screens for windows
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/02—Stoves or ranges heated by electric energy using microwaves
-
- 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
- H05B6/6402—Aspects relating to the microwave cavity
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electric Stoves And Ranges (AREA)
- Electric Ovens (AREA)
Abstract
Disclosed herewith is a heating device for microwave ovens, which generates heat by a heater and deflects improperly directed heat by heat reflecting means. The heating device comprises a heater for generating heat to cook food. The heater is mounted in the cavity of the microwave oven. Heat reflecting means is fixedly mounted to the heater while being upwardly spaced apart from the heater, and serves to reflect heat radiated by the heater to the food. Clamping supports are provided to fixedly mount the heat reflecting means to the heater.
Description
The present invention relates generally to micro-wave oven, more particularly, relates to the heater of micro-wave oven, and it produces heat by heater, and makes the hot deflection of improper direction by heat reflector means.
Common micro-wave oven utilizes the vibration of magnetron to produce food in the heating using microwave furnace chamber, thus cooking food.Recently, propose a kind of compound hot type micro-wave oven, in this micro-wave oven, except that having magnetron, also have a heater, the microwave heat food that this heater produces with magnetron.The microwave that this heater and magnetron produce is different, and it is with the mode heat food of radiation, thereby food may be heated to high temperature.
Yet in compound hot type micro-wave oven, heater is fixed on the ad-hoc location in the micro-wave oven furnace chamber usually, for example top of furnace chamber or bottom, thus no matter the quantity and the volume of food, heater moves on ad-hoc location.Therefore, can not be best utilize heater, food can not be by fully and the cooking equably.
In order to overcome the shortcoming of fixed heater type micro-wave oven, movable heater-type micro-wave oven has been proposed.In movable heater-type micro-wave oven, movable heater rotates in certain rotation angle range according to the quantity and the volume of food, thus the close food of the heat that heater is produced.Therefore, micro-wave oven has movable heater, thereby heater can apply uniform heat near food and to food.As a result, food fully and is equably cooked.Because movable heater-type microwave oven structure and operation are known, save the detailed description to it here.
Yet, in existing movable heater-type micro-wave oven, have defective, below in conjunction with description of drawings it.Fig. 1 is the level cross-sectionn figure of existing movable heater-type micro-wave oven, the show events heater.Fig. 2 is the vertical cross-section view of existing movable heater-type micro-wave oven, the show events heater.
Referring to accompanying drawing, the main body of existing movable heater-type micro-wave oven has furnace chamber 1, and food to be cooked is placed on wherein and is cooked.Revolvable movable heater 2 is installed on the perisporium of furnace chamber 1.
In movable heater-type micro-wave oven, when the user connects power supply to micro-wave oven, the magnetron (not shown) vibrates, simultaneously movable heater 2 operations.Like this, movable heater 2 is along all directions radiations heat energy.Particularly, the heat radiation that movable heater 2 will be more relatively is to the pallet 3 of the top of furnace chamber 1 and the bottom that is positioned at furnace chamber 1.
Simultaneously, different with magnetron as mentioned above, movable heater 2 is thermals source of heat radiation type, and heat is applied directly on the food.For this reason, when not having enough heats to arrive food, food is not cooked fully.
Because the top reflectivity of furnace chamber 1 is low, and the distance between the top and bottom of furnace chamber 1 is too big and make reverberation not reach, and like this, the heat that is radiated furnace chamber 1 top can not arrive the pallet 3 of the supporting food that is positioned at furnace chamber 1 bottom.Therefore, in existing movable heater-type micro-wave oven, in heat food, can not play very big effect by the heat that reflects.
In the prior art, also propose to install reflecting plate at the top of micro-wave oven furnace chamber, with the top that prevents furnace chamber because the heat of movable heater radiation and variable color and distortion, simultaneously with the reflect heat of movable heater radiation on the food on the tray of microwave oven.
In the prior art, reflecting plate can not be finished heat-reflecting function fully and use, because reflecting plate and the distance that is installed between the pallet of furnace chamber bottom are too big, and because the inclination angle of the movable heater that the rotation of movable heater causes makes reflecting plate reflecting heat fully.
As a result, compare with the heat of heater radiation, it is less to be delivered on the pallet heat of food, so heater is not effectively utilized.
In brief, in existing micro-wave oven, since the poor efficiency of existing heater, the cycle lengthening of the cooking, and energy consumption increases.
Therefore, the present invention considers above-mentioned shortcoming of the prior art, aims to provide a kind of heater that is used for micro-wave oven, the heat that it can utilize heater best and is produced.
Another object of the present invention provides a kind of heater that is used for micro-wave oven, and it can reduce energy consumption.
To achieve these goals, the invention provides a kind of heater that is used for micro-wave oven, it comprises: a heater, be used to produce heat so that cooking food, and this heater is installed in the furnace chamber of micro-wave oven; Heat reflector means is used for heat reflection with the heater radiation to food, and this heat reflector means is installed on the heater securely, simultaneously upwards with heater from a distance; A plurality of clamping supporting members are used for heat reflector means is installed to heater securely.
According to feature of the present invention, heat reflector means is the reflecting plate of being made by the metal material with good heat reflectivity.
According to feature of the present invention, form heat in the peripheral part of reflecting plate and collect the surface, so that the heat of heater radiation concentrates on the food that is positioned on the tray of microwave oven.
According to feature of the present invention, each clamping supporting member has conjugate foramen and annular section.Conjugate foramen is used for the top of clamping supporting member is fixed to heater; Annular section is used for the part of heater is received in the clamping supporting member tightly.
According to feature of the present invention, the clamping supporting member is made by heat-resisting nonmetallic materials.
According to feature of the present invention, heater is movable heater, and it is rotatably installed in the furnace chamber.
By the detailed description below in conjunction with accompanying drawing, above-mentioned and other purposes, feature and advantage of the present invention will be more readily apparent from and should be readily appreciated that.In the accompanying drawing:
Fig. 1 is the level cross-sectionn figure of existing movable heater-type micro-wave oven, expression activity heater.
Fig. 2 is the vertical cross-section view of existing movable heater-type micro-wave oven, expression activity heater.
Fig. 3 is the level cross-sectionn figure of the heater of the preferred embodiment of the present invention.
Fig. 4 is the vertical cross-section view of heater of the present invention.
The present invention is described with reference to the accompanying drawings, the identical or like of same numeral representative in the accompanying drawing.
Fig. 3 is the level cross-sectionn figure of the heater of the preferred embodiment of the present invention.Fig. 4 is the vertical cross-section view of heater of the present invention.
As shown in FIG., the main body of movable heater-type micro-wave oven has furnace chamber 11, and food to be cooked is placed on wherein and is cooked.The pallet 12 that is used to support food is installed in the bottom of furnace chamber 11, during running of microwave oven, and the pallet rotation.Although do not illustrate in the accompanying drawing, the magnetron that produces microwave is installed on the perisporium of furnace chamber 11.
Movable heater 13 can be rotatably set in the furnace chamber 11, the heat of using with the radiation cooking food.Movable heater 13 be by at a plane inner bending heater elements repeatedly form.Movable heater 13 usefulness hinge 13a are fixed on the perisporium of furnace chamber 11, so that can be around hinge 13a rotation.
With reference to Fig. 4, reflecting plate 14 is installed on the movable heater 13 securely, so that the heat of coming to 13 radiation of pallet 12 reflex activity heaters.One heat is collected surperficial 14a and is formed along the peripheral part of reflecting plate 14, so that will not reflex to pallet 12 but the heat that is distributed to other directions focuses on the pallet 12.
The structure of reflecting plate 14 and material must be designed to meet above-mentioned functions.That is reflecting plate 14 makes its size can cover heater 13, and is made by the metal material with good heat reflectivity.Otherwise preferably reflecting plate 14 carries out surface treatment towards the surface of heater 13 with the metal material with good heat reflectivity.If reflecting plate 14 is installed near movable heater 13, the distance to arrive the food on the pallet 12 that the heat of reflecting plate 14 reflections must pass through can be shortened, thereby has improved the heat transference efficiency of reflecting plate 14 reflections.Heat is collected surperficial 14a and preferably is bent to form by the peripheral part of reflecting plate 14, is integral with reflecting plate 14 again simultaneously.
Reflecting plate 14 is fixedly mounted on the heater 13 by clamping supporting member 15, and wherein the part of reflecting plate 14 is fixed on the clamping supporting member 15 by screw; By movable heater 13 interference fits are advanced in the annular section of clamping supporting member 15, the part of movable heater 13 is installed on the clamping supporting member 15.Therefore, when movable heater 13 rotated around hinge 13a, reflecting plate 14 was with movable heater 13 rotations.
Clamping supporting member 5 is preferably made by pottery.This is because movable heater 13 and reflecting plate 14 are heated to high temperature, and the two all is to be made by metal material, just in case clamping supporting member 15 also is made of metal, so movable heater is to be connected by metal with reflecting plate, then cause fire when spark occurring easily.
Describe the operation of heater of the present invention below in detail.
After food is placed on the pallet 12, when the user connects power supply to micro-wave oven, the magnetron vibration, simultaneously movable heater 13 work are with radiations heat energy.At this moment, the heat of movable heater 13 radiation is towards all directions.Particularly, more heat transfer is by radiation direction pallet 12 with deviate from pallet 12.
The heating of the heat of radiation direction pallet 12 is positioned at the food on the pallet 2, and radiation deviates from plate 14 interceptions that are reflected of the heat of pallet 12, reflexes to pallet 12 by reflecting plate 14, and heating is positioned at the food on the pallet 12.
In addition, except directly being radiated pallet 12 and being reflexed to the heat on the pallet 12 by reflecting plate 14, remaining heat is collected surperficial 14a with heat and contact, collects surperficial 14a by heat and reflects to pallet 12.
As a result, because most heats are by directly radiation or reflection are to pallet 12, therefore, most of heat is focused on the pallet 12, is used for cooking the food on the pallet 12.Therefore, efficient that can raising activity heater 13, and shorten cook cycle significantly.
Simultaneously, reflecting plate 14 by the clamping supporting member 15 of ceramic material to upper support and with movable heater 13 from a distance, therefore, can prevent to occur between movable heater 13 and the reflecting plate 14 spark, thereby exempt the danger of fire in the micro-wave oven.
As mentioned above, key character of the present invention is that reflecting plate 14 is installed on the movable heater 13, thereby the heat of movable heater 13 radiation can concentrate on the food that is positioned on the pallet 12.
Although describing activity heater 13 is to be rotatably installed in the furnace chamber 11 in the above-described embodiments, reflecting plate 14 is installed on the movable heater 13, and the present invention also comprises such embodiment, promptly, fixing heater is installed in the furnace chamber, and reflecting plate is installed on the fixing heater.
In addition, although reflecting plate 14 is described as an example of heat reflector means, heat reflector means is not limited only to reflecting plate 14.
Because the effect of heat reflector means is as much as possible the heat of heater radiation all to be directed on the pallet 12, so the structure of heat reflector means can design according to the anglec of rotation in the angular range of movable heater 13 rotations.For example, when the anglec of rotation was relatively large, the heat of reflecting plate 14 reflections may reflect and depart from pallet 12.In the case, if reflecting plate 14 forms curved surface, although the anglec of rotation of movable heater 12 is bigger, the heat of reflecting plate 14 reflections can be concentrated on the pallet 12.
In the above-described embodiments, make, also can adopt other nonmetallic heat proof materials although clamping supporting member 15 is described as by ceramic material.In addition, it also is possible that clamping supporting member 15 is made by metal material, but it wants the coated ceramic material with the part that movable heater 13 contacts with reflecting plate 14.
As mentioned above, the invention provides a kind of heater that is used for micro-wave oven, it can focus on most of heat of heater radiation on the food that is positioned on the pallet, and utilizes this cooking food with heat, thereby improves the efficient of micro-wave oven.
In addition, in heater, because heat reflector means is not installed in the top of furnace chamber, and be mounted on the heater, the distance between reflection unit and the pallet shortens, thereby makes heat-reflecting efficient be improved.Under the situation of use activity heater, because heat reflector means can be rotated with movable heater, therefore no matter how movable heater rotates, and heat reflector means can provide heat-reflecting optimum efficiency, thereby reaches the maximization of heat reflection effect.
As a result, the heater that is used for micro-wave oven of the present invention can focus on food with most heats of heater radiation, so cook cycle significantly shortens, and energy consumption significantly reduces, and has saved the cost of electric energy.
Although disclose the preferred embodiments of the present invention above for illustrative purposes, it should be understood that, the present invention includes various possible modification, interpolation and the replacement that do not break away from appended claim book aim and scope.
Claims (6)
1. heater that is used for micro-wave oven, it comprises:
One heater is used to produce heat so that cooking food, and described heater is installed in the furnace chamber of micro-wave oven;
Heat reflector means is used for heat reflection with the heater radiation to food, and described heat reflector means is installed on the heater securely, simultaneously upwards with heater from a distance; And
A plurality of clamping supporting members are used for heat reflector means is installed to heater securely.
2. heater as claimed in claim 1 is characterized in that, described heat reflector means is a reflecting plate of being made by the metal material with good heat reflectivity.
3. heater as claimed in claim 2 is characterized in that, forms heat in the peripheral part of described reflecting plate and collects the surface, so that the heat of heater radiation is concentrated on the food that is positioned on the tray of microwave oven.
4. heater as claimed in claim 1 is characterized in that, each clamping supporting member has conjugate foramen and annular section, and described conjugate foramen is used for the top of clamping supporting member is fixed to heater; Described annular section is used for the part of heater is received in the clamping supporting member tightly.
5. as each described heater in the claim 1 to 4, it is characterized in that described clamping supporting member is made by heat-resisting nonmetallic materials.
6. heater as claimed in claim 5 is characterized in that, described heater is a movable heater, and it is rotatably installed in the furnace chamber.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019990068443A KR20010066585A (en) | 1999-12-31 | 1999-12-31 | Reflection Apparatus of Heater for Micro wave Oven |
| KR68443/1999 | 1999-12-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1302978A true CN1302978A (en) | 2001-07-11 |
| CN1158477C CN1158477C (en) | 2004-07-21 |
Family
ID=19635525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001299425A Expired - Fee Related CN1158477C (en) | 1999-12-31 | 2000-10-19 | Heating device for microwave oven |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1113707A3 (en) |
| KR (1) | KR20010066585A (en) |
| CN (1) | CN1158477C (en) |
| BR (1) | BR0004774B1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101213406B (en) * | 2005-07-12 | 2012-06-27 | Lg电子株式会社 | Device for preventing leakage of microwave for microwave oven |
| CN107174138A (en) * | 2017-06-30 | 2017-09-19 | 惠州市斯坦利科技有限公司 | Food process sub-assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100432541C (en) * | 2004-11-26 | 2008-11-12 | 乐金电子(天津)电器有限公司 | Electronic microwave oven |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3047112C2 (en) * | 1980-12-13 | 1982-12-02 | G. Bauknecht Gmbh, 7000 Stuttgart | Electric oven with a microwave heating device and further electrical heating devices |
| DE4004130C2 (en) * | 1990-02-10 | 1998-11-12 | Miele & Cie | Microwave oven with swiveling radiant heater |
-
1999
- 1999-12-31 KR KR1019990068443A patent/KR20010066585A/en not_active Application Discontinuation
-
2000
- 2000-09-27 EP EP00121054A patent/EP1113707A3/en not_active Withdrawn
- 2000-10-11 BR BRPI0004774-0A patent/BR0004774B1/en not_active IP Right Cessation
- 2000-10-19 CN CNB001299425A patent/CN1158477C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101213406B (en) * | 2005-07-12 | 2012-06-27 | Lg电子株式会社 | Device for preventing leakage of microwave for microwave oven |
| 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 |
| CN107174138A (en) * | 2017-06-30 | 2017-09-19 | 惠州市斯坦利科技有限公司 | Food process sub-assembly |
| CN107174138B (en) * | 2017-06-30 | 2019-05-10 | 浙江海迪森胶丸有限公司 | Food process sub-assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1158477C (en) | 2004-07-21 |
| EP1113707A2 (en) | 2001-07-04 |
| BR0004774B1 (en) | 2011-03-22 |
| BR0004774A (en) | 2001-09-25 |
| EP1113707A3 (en) | 2005-07-06 |
| KR20010066585A (en) | 2001-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040721 Termination date: 20091119 |