JP2001324146A - High-frequency heating apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve heating that is suited for an object to be heated in a high-frequency heating apparatus. SOLUTION: By reading a control code 25 that is attached to a heating container 24 by an image-inputting means 15, electric wave strength and a position are adjusted, thus always performing optimum heating.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high-frequency heating device such as a microwave oven.

[0002]

2. Description of the Related Art Conventionally, in a microwave oven, a turntable and a stirrer are arranged in a cavity, and the object to be heated is uniformly irradiated with a radio wave by using the turntable and the stirrer so that the object is evenly heated. .

[0003]

As described above, an object to be heated in a cavity is irradiated with a radio wave as uniformly as possible using a turntable, a stirrer, or the like to avoid uneven heating. Therefore, the operation of heating a plurality of objects to be heated simultaneously to an appropriate temperature cannot be performed.

The present invention has been made to solve the above-described problems, and has as its object to optimally heat an object to be heated in a cavity.

[0005]

SUMMARY OF THE INVENTION The present invention makes it possible to individually and optimally heat each object to be cooked by using a radio wave intensity adjusting means and a control code unique to a container.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 has a control device for controlling a radio field intensity adjusting means, comprising a radio field intensity adjusting means capable of adjusting a radio field intensity at an arbitrary position in a cavity, and a cooking object. A control code is arranged in a part of the container on which the object is placed, and a reading device that reads the control code is associated with the control code and heating information such as the position of the object to be cooked on the container and the heating time of the object to be cooked. The heating information is called up from the internal storage device or the storage device on the external network using the control code by the internal storage device storing the database or the storage device on the external network, and the radio wave intensity adjusting means is controlled. By heating and cooking, the object to be cooked on the container is optimally heated.

According to the second aspect of the present invention, the control code is recorded on a part of the container by optical printing or the like, and the control code is read by an optical recognition device such as an optical camera disposed in the cavity. By using the reading device, reading can be performed in a contacted state and in a strong electric field such as a microwave oven, and the usability is further improved.

According to a third aspect of the present invention, an object to be cooked and a container in which the control code is described are simultaneously imaged using an optical recognition device such as an optical camera that reads a control code,
By separating and identifying the control code from these images and performing the heating control, the control code can be called regardless of where the container is placed, and the usability is further improved.

According to a fourth aspect of the present invention, at least a part of an image photographed using an optical recognition device such as an optical camera for reading a control code is transmitted to an external device such as a television via a display device outside the cavity or a network. By displaying on the screen, the condition of the object to be cooked can be confirmed with the same image input means, and the usability is further improved.

According to a fifth aspect of the present invention, a plurality of child containers are set on the container on which the object to be cooked is placed and the control code is written. By using this, it is possible to perform heating control in each optimum heating situation.

[0011]

Embodiments of the present invention will be described below. FIG. 1 is a sectional view of a microwave oven according to an embodiment of the present invention.

As shown in FIG. 1, reference numeral 1 denotes a microwave oven main body according to the present embodiment. Reference numeral 2 denotes a cavity which is a box made of metal and formed by a door 3 which can be opened and closed at the front.

FIG. 2 is a front view of the cavity 2. The rear surface 2a of the cavity 2 is provided with two radio wave entrances 4 and 5, the first radio wave entrance 4 is located substantially at the center of the rear surface 2a of the cavity 2, and the other radio wave entrance 5 is located in the cavity 2 The second rear surface 2a is disposed at a position deviated from the approximate center of the rear surface 2a in the measurement. Waveguides 6 and 7 are connected to these radio wave entrances 4 and 5, respectively.

FIG. 3 is a structural view from the rear. FIG. 4 is a block diagram. Magnetrons 9 and 10 are installed in the waveguides 6 and 7, respectively.
1, 12 are connected. A control device 13 is connected to the power source 14 and the driving circuits 11 and 12. Reference numeral 15 denotes an image input means which is disposed in an opening 16 provided in the upper surface 2b of the cavity 2 and captures a bottom surface 2c in the cavity 2 in a field of view. The image input means 15 is connected to the image processing means 17, and the image captured by the image input means 15 is subjected to pattern matching by the image processing means 17, and a predetermined code is read out as data. Also,
A communication unit 18 is connected to the image processing unit 17, and one of the communication units 18 is connected to an external or internal display device (not shown) or is connected via a network device (not shown). Reference numeral 19 denotes a storage device provided in the main body, which is an external storage device 20 connected via a network device (not shown).

FIG. 5 shows a setting state of the heating container in the present invention. Cooking object 23 and heating container 24
It is a top view which shows an example. Reference numeral 25 denotes a control code arranged at an end of the heating container 24, which is arranged at two diagonally opposite positions. Although characters are used as an example of the control code 25 in the present embodiment, other codes such as a barcode and a two-dimensional code do not depart from the gist of the present invention.

FIG. 6 is a flowchart showing the flow of processing in the present invention. The operation of the present invention will be described along this. The user sets the heating container 24 containing the object 23 shown in the present embodiment in the cavity 2 of the main body 1 (S0001). Heating is started in this state (S0
002), and the image input means 15
Then, the bottom 2c of the cavity 2 is captured (S0003), and the image is sent to the image processing means 17 (S0004). The image processing means 17 performs pattern matching on the heating container 2.
The contents of the control code 25 described in No. 4 and the position data of the control code 25 on the plane are read (S0005).

Since the positional relationship between the object 23 and the control code 25 is determined in advance, the position of the object 23 is also recognized based on the position data, and is passed to the control device 13 (S0006). At the same time, the contents of the control code 25 are referred to the internal storage device 21 via the control device 13 and further to the external storage device 22 installed via the network (S
[0007] Information on the heating speed, heating time, and heating pattern corresponding to the information is obtained from the storage devices 21 and 22 (S0008).

The control device 13 controls the drive circuits 11 and 12 based on the position data, the heating speed and the heating time, and the information on the heating pattern of the object 23 to be cooked. Heat 23. (S000
9) As described above, by using the control code, it is possible to know the heating time, the pattern, and the planar position of the object to be cooked by using the control code. By doing so, it is possible to perform optimal heating at each position of the object to be cooked. In addition,
Although the control code used here is optical, the same effect can be expected even if it is mechanical.

Next, in the present invention, an optical control code is used for the heating container, but this may affect reading and the like even in a place exposed to a strong electric field such as in a cavity. And can be formed by contact. In addition, it is possible to read a position shift or the like without any problem, and it is possible to read a control code reliably, thereby improving reliability with respect to a heating specification.
In this regard, a similar effect can be expected even when scanning with laser light or the like, and does not depart from the scope of the present invention.

Further, in the present invention, a method is adopted in which the heating container is captured as an entire image, and a control code is found from the image by pattern recognition and read out. As a result, even if the container is small and the position is biased, the position of the container can be specified from the position of the control code, so that the position of the object to be cooked can be heated without error, and where the user sets the container. Even if this is the case, the same cooking result can be obtained, and there is no need to worry about the setting place and the like, and the usability is improved.

In addition, in the present invention, as described above, since the entire heating container can be captured in the image and the position of the object to be heated can be specified, the image of the object to be heated in the entire image can be specified, and the container can be located anywhere. Even if it is set, it is possible to cut out the image of the object to be heated and distribute it to the outside, and the user can always display and check the heating state.

FIG. 7 shows a plurality of child containers 26, 2
7 and 28 are heating containers set. Child container 26,
Each of the control codes 26a, 27a, and 28a is described in each of 27 and 28 as in the above-described example.

In such a case, the heating can be controlled under the optimum heating condition according to the food to be cooked in each of the child containers 26, 27, 28 at the same time. It is also possible to classify temperatures such as hot and hot.

In the above description, the inside of the cavity is partially heated by switching and driving a plurality of magnetrons as the radio field intensity adjusting means. For example, as described herein, A plurality of radio sources may be switched, radio waves from the same radio source may be switched between antennas and waveguide openings, or may be moved. An electric mechanism may be used. As a result, any means capable of intentionally adjusting the radio wave intensity of each unit does not depart from the gist of the present invention.

[0025]

As described above, according to the first aspect of the present invention, by using the control code, the control code can be read and the heating time and pattern, and the planar position of the object can be known. By heating in a microwave oven, it is possible to optimally heat the object to be cooked at each position.

According to the second aspect of the present invention, by using the optical control code for the heating container, even when exposed to a strong electric field such as in a cavity, reading is affected. It can be formed by contact without any problems. In addition, it is possible to read a position shift or the like without any problem, and it is possible to read a control code reliably, thereby improving reliability with respect to a heating specification.
In this regard, a similar effect can be expected even when scanning with laser light or the like, and does not depart from the scope of the present invention.

According to the third aspect of the present invention, a method is adopted in which the entire heating container is captured as an image, and a control code is found from the image by pattern recognition and read out. As a result, even if the container is small and the position is biased, the position of the container can be specified from the position of the control code, so that the position of the object to be cooked can be heated without error, and where the user sets the container. Even if this is the case, the same cooking result can be obtained, and there is no need to worry about the setting place and the like, and the usability is improved.

According to the fourth aspect of the present invention, as described above, the entire heating container can be captured as an image and the position of the object to be heated can be specified, so that the image of the object to be heated in the entire image can be specified. Regardless of where the container is set, the image of the object to be heated can be cut out and distributed to the outside, and the user can always display and confirm the heating state.

According to the fifth aspect of the present invention, a plurality of child containers are set in the heating container, a control code is arranged in each of the child containers, and at the same time, an optimum heating adapted to the food in each child container. This makes it possible to control the heating depending on the situation.

[Brief description of the drawings]

FIG. 1 is a sectional view of a microwave oven according to an embodiment of the present invention.

FIG. 2 is a front view of a cavity of the microwave oven.

FIG. 3 is a structural view of the microwave oven from the back.

FIG. 4 is a block diagram of the microwave oven.

FIG. 5 is a diagram showing a setting state of a heating container of the microwave oven.

FIG. 6 is a flowchart showing a flow of processing of the microwave oven.

FIG. 7 is a diagram showing an example in which a plurality of child containers of the microwave oven are set.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Microwave oven main body 2 Cavity 2a Back surface 2b Top surface 2c Bottom surface 3 Door 4 Radio wave entrance 5 Radio wave entrance 6 Waveguide 7 Waveguide 9 Magnetron 10 Magnetron 11 Drive circuit 12 Drive circuit 13 Control device 14 Power supply 16 Opening 15 Image Input means 17 Image processing means 18 Communication means 19 Storage device 20 External storage device 23 Cooking object 24 Heating container 25 Control code 26, 27, 28 Child container 26a, 27a, 28a Control code

Continued on the front page F-term (reference) 3K086 AA01 BA08 BB05 CA09 CB06 CB15 CC01 CC11 CD03 CD11 DA02 FA08 3K090 AA01 BB01 BB15 CA02 DA01 DA17 DA19 EB03 EB04 EB29 EB36 3L086 AA04 BA06 BB02 BB08 CA07 CA09 CA16 CB08 DA06

Claims (5)

[Claims] 1. A control device for controlling a radio field intensity adjusting means for adjusting a radio field intensity at an arbitrary position in a cavity surrounded by a metal wall, and a container on which a food is placed A control code is arranged in a part of the container, and a reading device that reads the control code, and an inside that stores a database in which the control code is associated with heating information such as the position of the item to be cooked on the container and the heating time of the item to be cooked. With the storage device or a storage device on an external network, the heating information is called from the internal storage device or a storage device on the external network using the control code, and the radio wave intensity adjusting means is controlled to perform heating cooking. Do high frequency heating equipment. 2. A reading device for recording a control code on a part of a container by optical printing or the like, and reading the control code by an optical recognition device such as an optical camera arranged in a cavity. The high-frequency heating device as described. 3. An object to be cooked and a container on which the control code is described are simultaneously imaged using an optical recognition device such as an optical camera for reading the control code, and the control code is separated and identified from the images to heat the object. The high-frequency heating device according to claim 2, which performs control. 4. An image processing apparatus according to claim 3, wherein at least a part of an image photographed using an optical recognition device such as an optical camera for reading a control code is displayed on an external device such as a television via a display device outside the cavity or a network. High frequency heating equipment. 5. The high-frequency heating apparatus according to claim 1, wherein a plurality of child containers are set in the container on which the object to be cooked is placed and the control code is described.