KR20090030403A - A microwave oven and a method for controlling the same - Google Patents

A microwave oven and a method for controlling the same Download PDF

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Publication number
KR20090030403A
KR20090030403A KR1020070095676A KR20070095676A KR20090030403A KR 20090030403 A KR20090030403 A KR 20090030403A KR 1020070095676 A KR1020070095676 A KR 1020070095676A KR 20070095676 A KR20070095676 A KR 20070095676A KR 20090030403 A KR20090030403 A KR 20090030403A
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KR
South Korea
Prior art keywords
cooking
cooking chamber
partitioned
compartment
chamber
Prior art date
Application number
KR1020070095676A
Other languages
Korean (ko)
Inventor
진재명
Original Assignee
엘지전자 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020070095676A priority Critical patent/KR20090030403A/en
Publication of KR20090030403A publication Critical patent/KR20090030403A/en

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    • 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
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
    • 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
    • F24C7/08—Arrangement or mounting of control or safety devices
    • F24C7/087—Arrangement or mounting of control or safety devices of electric circuits regulating heat
    • 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
    • H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
    • 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
    • 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
    • H05B6/80—Apparatus for specific applications

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Ovens (AREA)

Abstract

The present invention relates to a microwave oven and a control method thereof. In the present invention, the microwaves are selectively delivered by two or more magnetrons to the interior of the cooking compartment selectively partitioned into two or more spaces. According to the present invention, it is possible to cook various kinds of foods in one cooking chamber, and to selectively irradiate microwaves to all or part of the partitioned space of the cooking chamber.

Description

A microwave oven and a method for controlling the same

1 is a longitudinal sectional view schematically showing the configuration of a preferred embodiment of a microwave oven according to the present invention;

Figure 2 is a control flow diagram showing a method of cooking food according to a preferred embodiment of the present invention.

3 to 5 is an operating state diagram schematically showing a state of cooking food according to a preferred embodiment of the present invention.

Figure 6 is a longitudinal sectional view schematically showing the configuration of another embodiment of a microwave oven according to the present invention.

Explanation of symbols on the main parts of the drawings

100: cavity assembly 110: cooking chamber

110A: Cooking Room 1 110B: Cooking Room 2

120: support 130: battlefield

140A, 140B: first and second magnetrons 150A, 150B: waveguide

160: partition plate 160A: spark protection

170: detection sensor 180: input unit

190: control unit F1, F2, F3, F4: food

The present invention relates to a microwave oven, and more particularly, to a microwave oven in which a cooking compartment is divided into a plurality of spaces capable of independent cooking.

The microwave oven is a cooking apparatus for cooking food using microwaves and / or heater heat, and generally includes a cavity assembly including a cooking chamber where food is cooked and a door for selectively opening and closing the cooking chamber. In addition, one side of the cavity assembly is provided with an electrical equipment room including various electronic components including a magnetron for oscillating microwaves irradiated to the cooking chamber, and a heater for generating heater heat transmitted to the cooking chamber.

However, according to the microwave oven according to the prior art, the following problems occur.

First, in the conventional microwave oven, the cooking chamber is formed as one space. Therefore, according to the conventional microwave oven, there is a disadvantage that cooking with different kinds of food is impossible.

In addition, conventionally, only one magnetron for oscillating the microwave irradiated to the cooking chamber is provided. Therefore, even if the cooking compartment is partitioned into a plurality of spaces, selective microwave irradiation of the partitioned spaces is impossible.

The present invention is to solve such a conventional problem, it is an object of the present invention to provide a microwave oven configured to cook different kinds of food by partitioning the cooking chamber into a plurality.

It is another object of the present invention to provide a microwave oven configured to selectively irradiate microwaves to each partitioned space of the cooking chamber.

According to a feature of the present invention for achieving the object as described above, the present invention comprises a cavity assembly having a cooking chamber; At least one partition member detachably installed inside the cooking chamber to selectively partition the cooking chamber into two or more spaces; And at least one heating source for heating food in the cooking chamber. It includes.

According to another feature of the invention, the present invention comprises a first and second cooking chamber in which the cooking chamber is selectively partitioned; First and second magnetrons that respectively oscillate the microwaves delivered to the first and second cooking chambers; And first and second wave guides for transmitting the microwaves oscillated from the first or second magnetron to the first or second cooking chamber. It is configured to include.

According to another aspect of the present invention, the present invention is a microwave control method comprising a cooking compartment selectively partitioned into a plurality of spaces, and at least two magnetrons provided in the number corresponding to the space of the cooking compartment: (a A detection sensor detecting whether the cooking compartment is divided; (b) receiving, by the input sensor, an operation signal for selecting cooking of foods in all or some of the partitioned spaces of the cooking compartment in a state where the sensing sensor determines that the cooking compartment is divided; And (c) a control unit selectively drives the magnetron according to an operation signal for selecting cooking of food in all or part of the partitioned space of the cooking compartment received by the sensor and whether the input of the cooking compartment is detected by the sensor. Making a step; It includes.

According to the present invention, it is possible to cook various kinds of foods in one cooking chamber, and to selectively irradiate microwaves to all or part of the partitioned space of the cooking chamber.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of a microwave oven and a control method according to the present invention will be described in more detail.

Figure 1 is a longitudinal sectional view schematically showing the configuration of a preferred embodiment of a microwave oven according to the present invention.

Referring to this, the cooking chamber 110 is provided inside the cavity assembly 100 of the microwave oven. The cooking chamber 110 is a place where food is substantially cooked. The cooking chamber 110 is selectively partitioned into first and second cooking chambers 110A and 110B by a partition plate 160 to be described below. The first and second cooking chambers 110A and 110B are spaces for selectively cooking different types of food, respectively. The first and second cooking chambers 110A and 110B are divided up and down by the partition plate 160.

A pair of support ends 120 are provided on both side surfaces of the cooking chamber 110. The support end 120 is for supporting both ends of the bottom of the partition plate 160. The support end 120 is provided at both sides of the cooking chamber 110 at heights corresponding to each other, and the first and second cooking chambers 110A and 110B are the same or different from each other according to the height of the support end 120. Partitioned into different volumes of space.

On the other hand, the electric compartment 130 is provided in the cavity assembly 100 adjacent to the cooking chamber 110. The electrical equipment room 130 is provided with various electrical components for oscillating the microwaves irradiated to the cooking chamber 110, that is, the first and second cooking chambers 110A and 110B. In the present embodiment, the cooking chamber 110 is provided with first and second magnetrons 140A and 140B. The first and second magnetrons 140A and 140B are for supplying microwaves independently to the first or second cooking chambers 110A and 110B. Preferably, the first and second magnetrons 140A and 140B are respectively provided on one side of the electric chamber 130 adjacent to one side of the first or second cooking chamber 110A and 110B, respectively. .

In addition, the electrical equipment room 130 is provided with first and second wave guides 150A and 150B. The first and second waveguides 150A and 150B deliver microwaves oscillated from the first or second magnetrons 140A and 140B, respectively, to the first or second cooking chamber 110A and 110B. It is to.

The partition plate 160 is detachably installed in the cooking chamber 110. The partition plate 160 selectively partitions the cooking chamber 110 into the first and second cooking chambers 110A and 110B. The partition plate 160 is formed of a metal material, and both bottom ends of the bottom surface of the partition plate 160 are supported by the support end 120 in a state where the partition plate 160 is mounted in the cooking chamber 110. In addition, the partition plate 160 is mounted on the cooking chamber 110, that is, the cooking chamber 110 is partitioned into the first and second cooking chambers 110A and 110B of the partition plate 160. The upper surface substantially forms the bottom surface of the first cooking chamber 110A, and the bottom surface of the partition plate 160 forms the ceiling surface of the second cooking chamber 110B.

And the edge of the partition plate 160 is provided with a spark preventing portion (160A). The spark preventing portion 160A is to prevent the phenomenon that spark is generated by the concentration of microwaves on the edge of the partition plate 160 formed of a metal material. The spark preventing portion 160A may be formed of a material such as Teflon.

On the other hand, both sides of the cooking chamber 110 is provided with a sensor 170 (see Fig. 4), respectively. The sensor 170 may determine whether the partition plate 160 is mounted in the cooking chamber 110, that is, the cooking chamber 110 is connected to the first and second cooking chambers 110A by the partition plate 160. 110B) detect whether or not. For example, when the partition plate 160 is mounted in the cooking chamber 110, the detection sensor 170 may be operated by the partition plate 160 to detect whether the cooking chamber 110 is divided.

Hereinafter, a process of cooking food according to a preferred embodiment of the microwave oven and the control method according to the present invention will be described in more detail with reference to the accompanying drawings.

2 is a control flowchart showing a method of cooking food according to a preferred embodiment of the present invention, Figures 3 to 5 is an operating state diagram schematically showing a state of cooking food according to a preferred embodiment of the present invention.

First, referring to FIG. 2, whether the detection sensor 170 is partitioned into the cooking chamber 110 by the first and second cooking chambers 110A and 110B, that is, whether the partition plate 160 is mounted in the cooking chamber 110. In operation S10, in the state in which it is determined that the cooking chamber 110 is divided into the first and second cooking chambers 110A and 110B by the detection sensor 170, the input unit S10. 180 receives an operation signal for selecting cooking of food in the first and / or second cooking chambers 110A and 110B.

When the input unit 180 is one of the first and second cooking chambers 110A and 110B in step S20, for example, as shown in FIG. 3, the food in the first cooking chamber 110A ( When the operation signal for selecting the cooking of F1) is input, the controller 190 determines this and irradiates the microwaves irradiated to the first cooking chamber 110A among the first and second magnetrons 140A and 140B. The first magnetron 140A to be oscillated is driven. (S30) (S40) Accordingly, the user can selectively select the cooking of the food F1 in the first or second cooking chamber 110A, 110B. In this case, the food F1 cooked in the first cooking chamber 110A may be substantially seated on the upper surface of the partition plate 160.

The controller 190 determines whether cooking of the food F1 is completed in the first cooking chamber 110A, and stops driving of the first magnetron 140A when the cooking of the food F1 is completed. (S50) (S60) (In this case, the controller 190 can determine whether the cooking is completed by the passage of the preset cooking time according to the cooking time or the type of food input by the input unit 180.)

Meanwhile, when it is detected in step S10 that the cooking chamber 110 is not divided into the first and second cooking chambers 110A and 110B by the sensor 170, that is, as shown in FIG. 4. When the food F2 is cooked in the entire cooking chamber 110, the controller 190 drives the first and second magnetrons 140A and 140B. (S70) In this case, the cooking chamber 110 is used. The food F2 to be cooked in is seated on the bottom surface of the cooking chamber 110. Therefore, microwaves oscillated from the first and second magnetrons 140A and 140B are simultaneously irradiated to the cooking chamber 110, which is not divided into the first and second cooking chambers 110A and 110B, thereby more quickly. Food F2 can be cooked. In addition, in step S30, the control unit 190 selects cooking of foods F3 and F4 in the first and second cooking chambers 110A and 110B by the input unit 180 in step S20. 5, when the food F3 and F4 are cooked in all of the first and second cooking chambers 110A and 110B, the controller 190 is determined. Drive the first and second magnetrons 140A and 140B. (S70) At this time, the foods F3 and F4 cooked in the first and second cooking chambers 110A and 110B are respectively divided into the partition plate. The upper surface of 160 or the bottom surface of the second cooking chamber 110B (substantially the bottom surface of the cooking chamber 110) is seated.

The control unit 190 is the cooking chamber (not partitioned into the first and second cooking chambers 110A and 110B) by the first and second magnetrons 140A and 140B driven in step S70. 110 or determine whether cooking of foods F2, F3, and F4 in the first and second cooking chambers 110A and 110B is completed. (S80) In step S80, the control unit 190 When it is determined that cooking of the foods F2, F3, and F4 is completed, the driving of the first and second magnetrons 140A and 140B is stopped (S90).

Next, another embodiment of a microwave oven and a control method thereof according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 6 is a longitudinal sectional view schematically showing the configuration of another embodiment of a microwave oven according to the present invention.

Referring to this, the cooking chamber 210 is divided into the first and second cooking chambers 210A and 210B by the partition plate 260 in the cavity assembly 200. Both side surfaces of the cooking chamber 210 are provided with support ends 220 for supporting the partition plate 260.

On the other hand, the electrical equipment compartment 230 is provided in the cavity assembly 200 adjacent to the cooking chamber 210. The electric compartment 230 is provided with a magnetron 240 for oscillating the microwave irradiated to the cooking chamber 210 or the first and second cooking chamber 210A, 210B. In addition, a wave guide 250 for transmitting the microwaves generated by the magnetron 240 to the cooking chamber 210 or the first and second cooking chambers 210A and 210B is provided.

In other words, in the present embodiment, one magnetron 240 is provided to irradiate microwaves to the cooking chamber 210 or the first and second cooking chambers 210A and 210B. Therefore, according to the present embodiment, since the microwave irradiated to the cooking chamber 210 or the first and second cooking chambers 210A and 210B by one magnetron 240 is oscillated, the number of parts constituting the microwave oven. Can be reduced.

Within the scope of the basic technical spirit of the present invention as well as many other modifications are possible to those skilled in the art, the scope of the present invention should be interpreted based on the appended claims. .

According to the microwave oven and the control method according to the present invention as described above, the following effects can be expected.

First, in the present invention, the cooking chamber is partitioned into first and second cooking chambers by partition plates, so that different types of foods can be cooked in the first and second cooking chambers. Therefore, the user can cook food more efficiently.

In addition, in the present invention, it is possible to selectively supply microwaves to the cooking compartment or the first and / or second cooking chamber that is not partitioned. Therefore, it is possible to select the supply of the microwave according to the cooking situation, it is possible to cook food more economically.

In addition, according to the present invention, microwaves oscillated in the first and second magnetrons are supplied to the cooking compartment that is not partitioned. Therefore, the microwave is intensively supplied to the cooking chamber, thereby enabling faster cooking.

Claims (13)

A cavity assembly having a cooking chamber; At least one partition member detachably installed inside the cooking chamber to selectively partition the cooking chamber into two or more spaces; And At least one heating source for heating food in the cooking chamber; Microwave including a. The method of claim 1, The partition member is a microwave oven that is at least one metal plate detachably installed in the cooking chamber. The method of claim 1, The partition member is formed of a metal material, the edge of the partition member is provided with a spark preventing portion for preventing sparks by the microwave irradiated into the inside of the cooking chamber by the heating source. The method according to any one of claims 1 to 3, The heating source is Two or more magnetrons provided by the partition member to the number of spaces defined by the cooking chamber to oscillate microwaves; At least two wave guides for transmitting the microwaves oscillated by the magnetron to the partitioned space of the cooking chamber; Microwave including a. The method of claim 1, Further comprising a detection sensor for detecting whether or not the cooking compartment by the partition member, The heating source is a microwave oven in which all or part of the heating source is selectively driven depending on whether the cooking compartment detected by the sensor and the user's selection. The method of claim 1, Further comprising a detection sensor for detecting whether or not the cooking compartment by the partition member, The heating source includes first and second macronetrons for oscillating the microwaves respectively transmitted to the space of the cooking compartment partitioned by the partition member. When it is determined that the cooking chamber is partitioned by the partition member by the sensor and cooking of food in any one of the partitioned spaces of the cooking chamber is selected by the user, one of the first and second magnetrons may be used. Only a magnetron is driven, otherwise the microwave oven is driven the first and second magnetron. First and second cooking chambers in which a cooking chamber is selectively partitioned; First and second magnetrons that respectively oscillate the microwaves delivered to the first and second cooking chambers; And First and second wave guides configured to transfer the microwaves oscillated from the first or second magnetron to the first or second cooking chamber; Microwave including a. The method of claim 7, wherein And the first and second cooking chambers are selectively partitioned by a metal partition plate detachably installed in the cooking chamber. The method of claim 7, wherein The first and second cooking chambers are selectively partitioned by a partition plate made of a metal material, which is detachably installed in the cooking chamber and has a spark preventing portion for preventing sparks caused by microwaves irradiated to the inside of the cooking chamber at the edge thereof. Microwave oven. The method of claim 7, wherein Further comprising a detection sensor for detecting whether the first cooking chamber and the second cooking compartment, When the cooking chamber is determined to be divided into the first and second cooking chambers by the sensor and the cooking of food in any one of the first and second cooking chambers is selected by the user, the first and second magnetrons are used. Only one of the magnetron is driven, otherwise the microwave oven is driven the first and second magnetron. In the microwave control method provided with a cooking compartment selectively partitioned into a plurality of spaces, and at least two magnetrons provided in the number corresponding to the space partitioned of the cooking compartment: (a) detecting, by the sensor, whether the cooking compartment is divided; (b) receiving, by the input sensor, an operation signal for selecting cooking of foods in all or some of the partitioned spaces of the cooking compartment in a state where the sensing sensor determines that the cooking compartment is divided; And (c) a control unit for selectively driving the magnetron according to an operation signal for selecting cooking of food in all or part of the partitioned space of the cooking compartment received by the sensing sensor and the input unit; step; Microwave control method comprising a. The method of claim 11, wherein The control method of the microwave oven in the step (a) the sensor detects that the cooking compartment is partitioned only when the metal plate is mounted in the cooking chamber. The method according to claim 11 or 12, In the step (c), the control unit detects that the cooking compartment is divided by the detection sensor, and when the input unit receives an operation signal for cooking food in a part of the partitioned space of the cooking compartment, the cooking compartment is divided. And a part of the magnetron for irradiating microwaves to a selected part of the space, and otherwise driving all of the magnetrons.
KR1020070095676A 2007-09-20 2007-09-20 A microwave oven and a method for controlling the same KR20090030403A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011149275A2 (en) * 2010-05-26 2011-12-01 Lg Electronics Inc. Cooking apparatus
WO2011149276A2 (en) * 2010-05-26 2011-12-01 Lg Electronics Inc. Cooking apparatus and operating method thereof
KR20110137617A (en) * 2010-06-17 2011-12-23 엘지전자 주식회사 Oven

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011149275A2 (en) * 2010-05-26 2011-12-01 Lg Electronics Inc. Cooking apparatus
WO2011149276A2 (en) * 2010-05-26 2011-12-01 Lg Electronics Inc. Cooking apparatus and operating method thereof
KR20110129718A (en) * 2010-05-26 2011-12-02 엘지전자 주식회사 A cooking apparatus using microwave
WO2011149276A3 (en) * 2010-05-26 2012-04-26 Lg Electronics Inc. Cooking apparatus and operating method thereof
WO2011149275A3 (en) * 2010-05-26 2012-04-26 Lg Electronics Inc. Cooking apparatus
CN102906504A (en) * 2010-05-26 2013-01-30 Lg电子株式会社 Cooking apparatus and operating method thereof
CN102933905A (en) * 2010-05-26 2013-02-13 Lg电子株式会社 Cooking apparatus
CN102906504B (en) * 2010-05-26 2015-03-11 Lg电子株式会社 Cooking apparatus and operating method thereof
US9674903B2 (en) 2010-05-26 2017-06-06 Lg Electronics Inc. Cooking apparatus and operating method thereof
KR20110137617A (en) * 2010-06-17 2011-12-23 엘지전자 주식회사 Oven

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