JP7183125B2 - heating cooker - Google Patents

Description

TECHNICAL FIELD The present invention relates to a heating cooker having a heating chamber.

2. Description of the Related Art Conventionally, a heating cooker is known that includes a heating coil that heats an object to be heated placed on a top plate and a heating chamber that is arranged inside a housing. In such a heat cooker, when performing heat cooking on the top plate or in the heating chamber, the user first presses the menu key to display an executable cooking menu on the display means. Then, the user operates the menu key to select the cooking menu, and presses the cooking start key to start cooking (for example, Patent Document 1).

Japanese Patent No. 6341825

In the above-described heat cooker, in order to perform heat cooking, it is necessary to press a plurality of keys such as a menu key and a cooking start key, which is inconvenient.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems, and to provide a heating cooker that reduces the trouble of operation by the user and improves usability.

A heating cooker according to the present invention includes a top plate, a first heating means for heating an object to be heated placed on the top plate, a heating chamber disposed below the first heating means, and a heating chamber. A heating door covering the opening, a second heating means for heating the object to be heated stored in the heating chamber, a screen for cooking by the first heating means, and a display section for displaying a screen for cooking by the second heating means. and , when the heating door is opened, the display unit switches the displayed screen to a screen regarding heat cooking by the second heating means .

According to the heating cooker of the present invention, the opening of the heating door serves as a trigger, and the display unit displays a screen related to heating cooking by the second heating means. improves.

FIG. 4 is a diagram illustrating an installation example of the cooking device according to Embodiment 1; 1 is a schematic configuration diagram of a heating cooker according to Embodiment 1; FIG. 1 is a top view of a heating cooker according to Embodiment 1; FIG. 4 is an enlarged view of a left display section, a left thermal power display section, and a left operation section according to Embodiment 1; FIG. 4 is an enlarged view of a right display section, a right thermal power display section, and a right operation section according to Embodiment 1; FIG. 3 is an enlarged view of a central display section and a central operation section according to Embodiment 1; FIG. It is an example of a cooking menu displayed on the central display. 3 is a control block diagram of the heating cooker according to Embodiment 1. FIG. 7 is a flowchart of display control processing of the central display unit according to Embodiment 1. FIG. 6 is an example of an initial screen displayed on the central display unit according to Embodiment 1. FIG. 7A and 7B are examples of screens corresponding to other operations displayed on the central display unit according to the first embodiment. 6 is an example of an automatic range screen displayed on the central display unit according to Embodiment 1. FIG. 6 is an example of a cooking screen displayed on the central display unit according to Embodiment 1. FIG. 4 is an example of a cooking end screen displayed on the central display section according to Embodiment 1. FIG. FIG. 10 is a schematic configuration diagram of a heating cooker according to modification 1-2; It is an example of an automatic range screen displayed on the central display unit according to modification 1-3. It is an example of a warning screen displayed on the central display unit according to modification 1-4. FIG. 13 is another example of a warning screen displayed on the central display unit according to modification 1-4; FIG. 14 is a flowchart of display control processing of the central display unit according to modification 1-5. It is an example of a high temperature warning screen displayed on the central display portion according to modification 1-5. 10 is a flowchart of display control processing of a central display unit according to Embodiment 2; 10 is a flowchart of display control processing of a central display unit according to Embodiment 3; FIG. 11 is an example of a power prompting screen displayed on the central display unit according to the third embodiment; FIG.

Hereinafter, a heating cooker according to the present invention will be described with reference to the drawings. The heating cooker shown in the drawings is an example of equipment to which the heating cooker of the present invention is applied, and the applicable equipment of the present invention is not limited by the heating cooker shown in the drawings. Also, in the following description, terms representing directions (for example, "up", "down", "right", "left", "front", "back", etc.) are used as appropriate for ease of understanding. They are for illustrative purposes and are not intended to limit the invention. Also, in each figure, the same reference numerals denote the same or corresponding parts, which are common throughout the specification.

Embodiment 1.
FIG. 1 is a diagram illustrating an installation example of the heating cooker 100 according to Embodiment 1. FIG. Heating cooker 100 of the present embodiment is a built-in IH cooking heater that is incorporated in kitchen furniture 200 having a cooking table on the top thereof. The heating cooker 100 has a main body 1 and a top plate 2 installed on the main body 1 . The top plate 2 is exposed above the kitchen top plate forming the top surface of the kitchen furniture 200 .

The top plate 2 is composed of, for example, a heat-resistant glass plate and a metal frame attached around the glass plate. The upper surface of the top plate 2 is provided with two heating ports, a left heating port 20L and a right heating port 20R. The left heating port 20L and the right heating port 20R indicate areas on which cooking containers such as pots or frying pans are placed. An exhaust port cover 4 is provided on the back side of the top plate 2 . The exhaust port cover 4 is made of a permeable punching metal or a grid-shaped metal member, and has air permeability and low air resistance. Exhaust from the heating cooker 100 passes through the exhaust port cover 4 and flows out of the heating cooker 100 .

A heating door 50 for opening and closing the front surface of the heating chamber 5 ( FIG. 2 ) arranged inside the main body 1 is provided on the front surface of the main body 1 of the heating cooker 100 . The heating door 50 is provided with a handle 51 for opening and closing the heating door 50 .

FIG. 2 is a schematic diagram of the heating cooker 100 according to Embodiment 1. As shown in FIG. FIG. 2 is a schematic vertical cross-sectional view of the heating cooker 100 viewed from the side. As shown in FIG. 2, the first heating means 3 is provided below the left heating port 20L. Similarly, the first heating means 3 is provided below the right heating port 20R. The first heating means 3 is electromagnetic induction heating means, and is a circular heating coil formed by winding a conductive wire such as a copper wire or an aluminum wire. The first heating means 3 generates a high frequency magnetic field by being supplied with a high frequency current. As a result, the cooking vessels placed above the left heating port 20L and the right heating port 20R are heated by induction.

The first heating means 3 is, for example, a double annular coil divided into a first coil and a second coil. In addition, the structure of the 1st heating means 3 is not limited to this. For example, the shape of the first heating means 3 may be oval. Moreover, the configuration of the first heating means 3 may be a triple ring or more, or may be configured by combining a plurality of coils. Also, the divided coils may not be electrically connected, and may be independently driven by a plurality of inverters. In addition, the first heating means 3 arranged below both or either one of the left heating port 20L and the right heating port 20R may be an electric heater (for example, a nichrome wire, a halogen heater, or a radiant heater) serving as a radiant heating means. etc.). Also, the number of heating ports and first heating means 3 is not limited to two, and may be one or three or more.

A heating chamber 5 is provided inside the main body 1 and below the first heating means 3 . The heating chamber 5 is a device for heating the object to be heated in the cooking container housed in the heating chamber 5 . The front surface of the heating chamber 5 is formed with an opening for taking in and out the cooking container. The opening of the heating chamber 5 is covered with a heating door 50 so as to be freely opened and closed. The heating door 50 is rotatably supported by the main body 1, hinges and arms (not shown). As a result, the heating door 50 is configured to open forward with the lower end as a fulcrum (rotational center). Note that the heating door 50 may be pulled out integrally with a support member that supports the cooking container from below by a slide rail.

The heating door 50 is provided with an opening/closing detector 52 for detecting opening/closing of the heating door 50 . The open/close detector 52 is, for example, a microswitch or an infrared sensor. Upon detecting that the heating door 50 has been opened, the opening/closing detection unit 52 transmits an open signal to the control unit 7 ( FIG. 8 ) of the heating cooker 100 . A second heating means 6 is provided behind the heating chamber 5 for heating the object to be heated in the cooking container accommodated in the heating chamber 5 . The second heating means 6 is microwave heating means for supplying microwaves into the heating chamber 5 . That is, microwave cooking is performed in the heating chamber 5 .

Further, the heating chamber 5 is provided with a temperature sensor 53 for detecting the temperature in the heating chamber 5 or the temperature of the object to be heated. Temperature sensor 53 is an infrared sensor or a thermistor. A detection result by the temperature sensor 53 is transmitted to the control section 7 ( FIG. 8 ) of the heating cooker 100 . The temperature range detected by the temperature sensor 53 is set to -20°C to 100°C, for example. As a result, the degree of heating of the object to be heated can be accurately detected in real time, for example, in increments of 1°C. Although not shown in FIG. 2 , a temperature sensor for detecting the temperature of the cooking vessel heated on the top plate 2 may be provided below the top plate 2 .

FIG. 3 is a top view of cooking device 100 according to Embodiment 1. FIG. As shown in FIG. 3, a left operating section 40L, a central operating section 40M and a right operating section 40R are provided on the front side of the upper surface of the top plate 2 of the heating cooker 100. As shown in FIG. Further, behind the left operating unit 40L, the central operating unit 40M and the right operating unit 40R are a left display unit 30L, a central display unit 30M and a right display unit 30R, a left heating power display unit 31L and a right heating power display unit 31R. is provided.

A main power key 400 is provided adjacent to the right operation section 40R. Main power key 400 is a key operated to turn on or off the main power of cooking device 100 . When the main power source key 400 is pressed for several seconds while the main power source of the heating cooker 100 is OFF, the main power source is turned ON. Further, when the main power supply key 400 is pressed for several seconds while the main power supply of the heating cooker 100 is ON, the main power supply is turned ON.

FIG. 4 is an enlarged view of the left display section 30L, the left heating power display section 31L, and the left operation section 40L according to the first embodiment. The left display section 30L displays information about cooking in the left heating port 20L, and is composed of, for example, a liquid crystal display. Specifically, the left display unit 30L displays the set time of timer cooking for the object to be heated placed on the left heating port 20L, the elapsed time from the start of the heating operation in the left heating port 20L, or the timer Displays the remaining time until the set time ends. Alternatively, the left display section 30L displays the automatically set temperature (default temperature) or the current temperature when preheating cooking in the left heating port 20L is selected.

The left heating power display section 31L is composed of a plurality of LEDs and displays the heating power of the left heating port 20L in multiple stages. The left thermal power display unit 31L expresses thermal power by switching the lighting state (lighting, extinguishing, blinking, etc.) of a plurality of LEDs or switching the lighting color. As a result, the thermal power can be informed intuitively and easily by the user.

The left operation unit 40L is for inputting an operation related to heat cooking in the left heating port 20L. As shown in FIG. 4, the left operation section 40L has five input keys 401L, 402L, 403L, 404L and 405L. The input keys 401L, 402L, 403L, 404L, and 405L are capacitive touch sensors that allow input using changes in capacitance when the user touches the keys lightly with a finger or the like. A light emitting unit 410 is provided corresponding to the input keys 401L, 402L, 403L, 404L and 405L. The light emitting unit 410 is composed of LEDs and emits light according to the operation of the input keys 401L, 402L, 403L, 404L and 405L.

The input key 401L is a key operated when selecting timer cooking in the left heating port 20L. Timer cooking is a cooking method in which a user sets a cooking time and induction heating is performed only during the set time.

The input key 402L is a key that is operated when selecting a cooking menu to be performed with the left heating port 20L. Each time the input key 402L is pressed, one can be selected from a plurality of cooking menus. The cooking menu includes, for example, boiling water, stewing, or frying (automatic cooking). The drive time, heating power, drive pattern, etc. of the first heating means 3 differ for each cooking menu.

The input key 403L is a key operated to start or stop cooking in the left heating port 20L. That is, when the input key 403L is pressed, the first heating means 3 arranged below the left heating port 20L is driven, and when the input key 403L is pressed while the first heating means 3 is being driven, The driving of the first heating means 3 is stopped, and the heating is stopped.

The input keys 404L and 405L are keys that are operated when designating the heating power for heat cooking in the left heating port 20L. By pressing the input key 404L, the heating power is lowered step by step, and by pressing the input key 405L, the heating power is raised by one step.

FIG. 5 is an enlarged view of the right display section 30R, the right thermal power display section 31R, and the right operation section 40R according to the first embodiment. The right display section 30R displays information about cooking in the right heating port 20R, and is composed of, for example, a liquid crystal display. The information related to cooking in the right heating port 20R displayed on the right display section 30R is the same as the information related to cooking in the left heating port 20L.

The right heating power display section 31R is composed of a plurality of LEDs and displays the heating power of the right heating port 20R in multiple stages. The right thermal power display section 31R expresses thermal power by switching the lighting state (lighting, extinguishing, blinking, etc.) of a plurality of LEDs, or switching the lighting color, similarly to the left thermal power display section 31L.

The right operation unit 40R is for inputting an operation related to heat cooking in the right heating port 20R. As shown in FIG. 5, the right operation section 40R has five input keys 401R, 402R, 403R, 404R and 405R. The input keys 401R, 402R, 403R, 404R, and 405R are capacitive touch sensors that allow input using changes in capacitance when the user touches them lightly with a finger or the like. A light emitting unit 410 is provided corresponding to the input keys 401R, 402R, 403R, 404R and 405R. The light emitting unit 410 is an LED, and emits light according to the operation of the input keys 401R, 402R, 403R, 404R and 405R.

The input key 401R is a key operated when selecting timer cooking in the right heating port 20R. The input key 402R is a key that is operated when selecting a cooking menu to be performed in the right heating port 20R. The input key 403R is a key operated to start or stop cooking in the right heating port 20R. The input keys 404R and 405R are keys that are operated when specifying the heat power during cooking in the right heating port 20R. By pressing the input key 404R, the heating power is lowered step by step, and by pressing the input key 405R, the heating power is raised by one step.

FIG. 6 is an enlarged view of central display unit 30M and central operation unit 40M according to the first embodiment. The central display section 30M displays information and alarms of the entire heating cooker 100, and is configured by a liquid crystal display. The central display portion 30M displays the selection result of the first heating means 3 or the second heating means 6, the operating state of each heating means, caution information or warning information for heat cooking by each heating means. The central display section 30M is a single liquid crystal display in terms of hardware, but has three display areas, a first display area 301, a second display area 302 and a third display area 303, as shown in FIG. , different display can be performed for each display area.

The central operation unit 40M is mainly used to input operations related to cooking in the heating chamber 5. FIG. As shown in FIG. 6, the central operation unit 40M has ten input keys 411, 412, 413, 414, 415, 416, 417, 418 and 419. The input keys 411, 412, 413, 414, 415, 416, 417, 418, and 419 are capacitive touch devices that allow input using changes in capacitance when the user touches the keys lightly with a finger or the like. sensor. A light emitting unit 410 is provided corresponding to the input keys 411 , 412 , 413 , 414 , 415 , 416 , 417 , 418 and 419 . The light emitting unit 410 is composed of LEDs and emits light according to the operation of the input keys 411, 412, 413, 414, 415, 416, 417, 418 and 419. FIG.

The input key 411 is a key operated to start cooking in the heating chamber 5 , and the input key 412 is a key operated to stop or end cooking in the heating chamber 5 . The input key 413 is a key operated when displaying a cooking menu to be performed in the heating chamber 5 on the central display portion 30M. FIG. 7 is an example of a cooking menu displayed on the central display section 30M. As shown in FIG. 7, the cooking menu includes menu items displayed in first display area 301, wattage displayed in second display area 302, and time displayed in third display area 303. .

The input keys 414 and 415 are arranged adjacent to the first display area 301 of the central display portion 30M and are keys for switching screens displayed in the first display area 301 of the central display portion 30M. In the example of FIG. 7, by operating the input key 414, the "manual range" displayed in the first display area 301 moves forward, and the "thaw meat" displayed on the rear side moves forward. displayed in the center. Further, by operating the input key 415, the "range manual" displayed in the first display area 301 moves backward, and the "automatic cooking" displayed in the front side is displayed in the center. The user can select a cooking menu to be performed in heating chamber 5 by operating input keys 414 and 415 . By operating the input key 411, the cooking menu displayed in the center is executed. "Manual Range" is a cooking menu that allows the user to perform the heating operation for an arbitrary period of time. In "range manual", the detection result of the temperature sensor 53 is not used. Another cooking menu for the heating chamber 5 is "range automatic". “Range automatic” is a cooking menu that uses a control method that automatically terminates the heating operation according to the detection result of the temperature sensor 53 .

The input keys 416 and 417 are arranged adjacent to the second display area 302 of the central display portion 30M, and are keys for switching screens displayed in the second display area 302 of the central display portion 30M. 7, by operating the input key 416, the wattage displayed in the second display area 302 is decreased by one step, and by operating the input key 417, the second display area 302 The displayed wattage is increased by one step. By operating input keys 416 and 417 , the user can select the wattage of range cooking to be performed in heating chamber 5 .

The input keys 418 and 419 are arranged adjacent to the third display area 303 of the central display portion 30M and are keys for switching screens displayed in the third display area 303 of the central display portion 30M. 7, by operating the input key 418, the time displayed in the third display area 303 is increased by one step, and by operating the input key 419, the time displayed in the third display area 303 is The displayed time is reduced by one step. By operating input keys 418 and 419 , the user can select the range cooking time to be performed in heating chamber 5 .

FIG. 8 is a control block diagram of cooker 100 according to Embodiment 1. As shown in FIG. As shown in FIG. 8 , the heating cooker 100 includes a control section 7 that controls the entire heating cooker 100 . The control unit 7 is an electronic circuit board on which electronic components such as a control circuit for controlling the operation of each unit constituting the heating cooker 100 are mounted. The control unit 7 drives and controls the first heating means 3 based on the operations of the left operation unit 40L and the right operation unit 40R and the temperature of the cooking container on the top plate 2. Further, the control unit 7 drives and controls the second heating unit 6 based on the operation of the central operation unit 40M and the detection result of the temperature sensor 53. FIG.

Further, the control section 7 controls the display of the left display section 30L, the right display section 30R, the left heating power display section 31L and the right heating power display section 31R based on the operations of the left operating section 40L and the right operating section 40R. Furthermore, the control unit 7 controls the display of the central display unit 30M based on the open signal from the open/close detection unit 52 and the operations of the left operating unit 40L, the right operating unit 40R and the central operating unit 40M. The control unit 7 has a storage unit 70 that stores various programs and parameters used for controlling the heating cooker 100 and screen data displayed on each display unit.

Next, display control of the central display section 30M in the present embodiment will be described. FIG. 9 is a flowchart of display control processing of central display unit 30M according to the first embodiment. The display control processing of the central display portion 30M is executed by the control portion 7. FIG. First, when the main power source of the heating cooker 100 is turned on (S1: YES), an initial screen is displayed on the central display section 30M (S2). Here, when the user operates main power supply key 400, the main power supply of heating cooker 100 is turned on. FIG. 10 is an example of an initial screen displayed on central display unit 30M according to the first embodiment. As shown in FIG. 10, the initial screen includes a message notifying that the power is on, a two-dimensional code for guiding to a dedicated recipe posting site via the Internet, and an explanation of the two-dimensional code.

Returning to FIG. 9, in the next step S3, it is determined whether or not the heating door 50 has been opened (S3). The controller 7 determines that the heating door 50 has been opened when an open signal is received from the open/close detector 52 . Then, if the heating door 50 is not opened (S3: NO), it is determined whether or not there is another operation (S4). Other operations include, for example, starting heating in the left heating port 20L by operating the input key 403L of the left operating section 40L, or starting heating in the right heating port 20R by operating the input key 402R of the right operating section 40R. Such as the start of frying. Then, when there is another operation (S4: YES), a screen corresponding to the operation is displayed on the central display section 30M (S5).

FIG. 11 is an example of a screen according to other operations displayed on central display unit 30M according to the first embodiment. FIG. 11 shows a screen when fried food cooking with the right heating port 20R is selected. As shown in FIG. 11, the fried food cooking screen includes a message that the right heating port 20R ("right IH" in FIG. 11) has selected fried food cooking and that preheating has started; Including warning signs that encourage people not to leave the area.

Returning to FIG. 9, when there is no other operation (S4: NO), or after the screen display corresponding to the operation is made, it is determined whether or not the main power source of the heating cooker 100 is turned off (S6 ). When the main power source of the heating cooker 100 is turned off (SS6: YES), this processing ends and the display on the central display section 30M is turned off. On the other hand, if the main power source of the heating cooker 100 is not turned off (S6: NO), the process returns to step S3.

Then, when the heating door 50 is opened (S3: YES), the automatic range screen is displayed on the central display section 30M (S7). FIG. 12 is an example of an automatic range screen displayed on the central display unit 30M according to the first embodiment. As shown in FIG. 12, the automatic range screen displays menu items displayed in a first display area 301, temperatures displayed in a second display area 302, and supplementary information displayed in a third display area 303. include. On the automatic range screen, the menu item is "warm", and the temperature is the target temperature of the object to be heated, which is "80°C". The supplementary information is supplementary information related to the displayed menu item and temperature, and in the example of FIG. be. Although the target temperature is set to the default value of 80° C. on the automatic range screen, the user can individually change it to a desired temperature by operating the central operation unit 40M.

That is, in the heating cooker 100 of the present embodiment, when the heating door 50 of the heating chamber 5 is opened, the automatic range screen is automatically displayed on the central display unit 30M even if the input key 413 of the central display unit 30M is not pressed. displayed. For example, even when fried food is cooked in the right heating port 20R and the screen shown in FIG. switch automatically.

Returning to FIG. 9, it is determined whether or not the heating door 50 is closed (S8). The controller 7 determines whether or not the heating door 50 is closed based on the signal from the open/close detector 52 . Then, when the heating door 50 is closed (S8: YES), it is determined whether or not to start heating in the heating chamber 5 (S9). The control unit 7 determines to start heating when the input key 411 of the central operation unit 40M is pressed. When starting heating in the heating chamber 5 (S9: YES), the second heating means 6 is driven, heating in the heating chamber 5 is started, and a cooking screen is displayed on the central display section 30M (S10 ). FIG. 13 is an example of a cooking screen displayed on the central display unit 30M according to the first embodiment. As shown in FIG. 13 , the cooking-in-progress screen includes menu items currently being executed displayed in the first display area 301 , set temperatures displayed in the second display area 302 , and displayed in the third display area 303 . current temperature.

Returning to FIG. 9, it is determined whether or not heating in the heating chamber 5 has stopped (S11). The control unit 7 determines to stop heating when the set heating time has elapsed or when the input key 412 of the central operation unit 40M is pressed. Then, when the heating in the heating chamber 5 is stopped (S11: YES), a cooking end screen is displayed on the central display section 30M (S12). FIG. 14 is an example of a cooking end screen displayed on the central display portion 30M according to the first embodiment. As shown in FIG. 14 , the cooking end screen includes a message notifying that cooking has ended, a message regarding extension of cooking, and a caution display regarding the temperature inside heating chamber 5 .

Returning to FIG. 9, it is determined whether or not the heating has been extended (S13). Here, if the heating is extended (S13: YES), the process returns to step S10, and the cooking screen is displayed on the central display section 30M (S10). On the other hand, if the heating has not been extended (S13: NO), it is determined whether or not the heat cooking in the heating chamber 5 has been reset (S14). The control unit 7 determines that the heat cooking has been reset when the input key 412 on the central operation unit 40M is pressed or the waiting time (for example, 10 minutes) has elapsed. When the heat cooking in the heating chamber 5 is reset (S14: YES), the process returns to step S2 and the initial screen shown in FIG. 10 is displayed. That is, during the period from the start of heating in the heating chamber 5 in step S9 until the reset in step S14 (S14: NO), the heating door 50 of the heating chamber 5 is opened when the cooking container is taken out. However, the automatic range screen does not appear.

As described above, in the present embodiment, the opening of the heating door 50 is used as a trigger to display a screen relating to cooking by the second heating means 6 on the central display section 30M. As a result, the trouble of operating the input keys 413 of the central operation unit 40M to display and select the cooking menu by the second heating means 6 on the central display unit 30M is reduced, and usability is improved. In addition, by displaying the automatic range screen, which is assumed to be used most frequently, as the screen related to cooking by the second heating means 6, the user can simply start heating without selecting a menu. , usability can be further improved.

Modification 1-1.
In addition, the second heating means 6 of the heating cooker 100 is not limited to the microwave heating means. Hot air circulation type heating means may be used. When the second heating means 6 is a radiant heating means, heaters are arranged inside or outside the heating chamber 5 above and below. When the second heating means 6 is electromagnetic induction heating means, a heating coil is arranged below the bottom surface of the heating chamber 5 . When the second heating means 6 is a hot air circulation type heating means, a heater and a fan are arranged outside the heating chamber 5 . In the case of this modification as well, the opening of the heating door 50 is used as a trigger to display a screen regarding heat cooking by the second heating means 6 on the central display section 30M. Specifically, in each heating means, it is preferable to display a screen regarding a cooking menu assumed to be used most frequently.

Modification 1-2.
In addition to the first heating means 3 and the second heating means 6 , the heating cooker 100 may include the third heating means 8 . FIG. 15 is a schematic configuration diagram of a heating cooker 100 according to modification 1-2. The third heating means 8 is, for example, a radiant heat type heating means comprising a sheathed heater for heating the object to be heated in the heating chamber 5 from above and below. The third heating means 8 may be arranged inside or outside the heating chamber 5 .

Moreover, the heating cooker 100 of this modification includes a temperature sensor 54 that detects the ambient temperature in the heating chamber 5 or the wall surface temperature of the heating chamber 5 . Temperature sensor 54 is a thermistor sensor. The detection result of the temperature sensor 54 is used for controlling the third heating means 8 . For example, when the temperature detected by the temperature sensor 54 reaches the target temperature, the controller 7 automatically stops cooking by the third heating means 8 . Since the thermistor sensor detects the temperature by detecting the change in the electrical resistance, the upper limit of the temperature that can be detected is about 250.degree.

In addition, the temperature sensor 53 of the present modification receives infrared rays radiated from the object to be heated such as food contained in the heating chamber 5 or the wall surface of the heating chamber 5, and measures the temperature of the object to be heated or the heating chamber 5 as non-existent. It is an infrared sensor that detects by contact. The detection result of the temperature sensor 53 is used for controlling the second heating means 6 . For example, when the temperature detected by the temperature sensor 53 reaches the target temperature, the control unit 7 automatically stops cooking by the second heating means 6 . The temperature range detected by the temperature sensor 53 is set to -20°C to 100°C. As a result, the degree of heating of an object to be heated such as food can be accurately detected in real time, for example, in increments of 1°C.

In the case of this modification as well, the opening of the heating door 50 is used as a trigger to display a screen about cooking by the second heating means 6 on the central display section 30M. Specifically, as in the first embodiment, the automatic range screen is displayed. In addition, when a plurality of heating means are provided as the heating means of the heating chamber 5, the cooking menu (range) by the second heating means 6 and the cooking menu by the third heating means 8 are displayed by operating the central operation unit 40M. (grill) and can be selected. The third heating means 8 may be electromagnetic induction heating means comprising a heating coil, or hot air circulation heating means using hot air.

Modification 1-3.
Further, the automatic range screen displayed on the central display portion 30M when the heating door 50 is opened is not limited to the example shown in FIG. FIG. 16 is an example of an automatic range screen displayed on the central display section 30M according to Modification 1-3. As shown in FIG. 16, the automatic range screen of this modification includes a two-dimensional code displayed in a first display area 301, a temperature displayed in a second display area 302, and a temperature displayed in a third display area 303. and supplementary information. The two-dimensional code is for guiding to a dedicated recipe posting site via the Internet.

As in this modification, by displaying a two-dimensional code on the screen related to cooking by the second heating means 6 that is displayed when the heating door 50 is opened as a trigger, the user can obtain detailed information related to cooking. can provide information.

Modification 1-4.
Also, before displaying the automatic range screen on the central display unit 30M, a warning screen may be displayed to call attention to the user. FIG. 17 is an example of a warning screen displayed on the central display section 30M according to Modification 1-4. As shown in FIG. 17, the alert screen includes a message notifying that microwave heating in the heating chamber 5 will be performed. The control unit 7 causes the central display unit 30M to display the alert screen for several seconds (for example, 5 seconds), and then displays the automatic range screen.

By displaying the warning screen as in this modified example, the user can be made to clearly recognize that microwave heating will be performed in the heating chamber 5 . In particular, when cooking is performed in the heating chamber 5 by a plurality of heating means as in the above modification 1-2, by notifying the heating means to be driven (in this case, the second heating means 6), the user can It is possible to suppress failure of the heating cooker 100 due to an operation error or the like.

Note that the alert screen displayed on the central display unit 30M is not limited to the example of FIG. 17 . FIG. 18 is another example of the attention calling screen displayed on the central display section 30M according to Modification 1-4. For example, when the heating chamber 5 is capable of range grill heating by both the second heating means 6 and the third heating means 8 as in Modification 1-2 above, after range heating in a heat-resistant plastic container, the grill If heated, the container may burn due to high heat. Therefore, as shown in FIG. 18, the warning screen may include a message notifying that plastic containers cannot be used on the range grill. As a result, the user can be made to clearly recognize the precautions, and failure of the heating cooker 100 due to erroneous operation can be suppressed.

Modification 1-5.
In addition, in Embodiment 1, when the heating door 50 is opened, the automatic range screen is displayed as the screen related to cooking by the second heating means 6, but the present invention is not limited to this. . FIG. 19 is a flowchart of display control processing of the central display unit 30M according to modification 1-5. Steps S1 to S3 of the display control process in this modified example are the same as those in the first embodiment. If the heating door 50 is not opened in step S3 (S3: NO), steps S4 to S6 shown in FIG. 9 are performed as in the first embodiment. On the other hand, if the heating door 50 is opened in step S3 (S3: YES), it is determined whether the temperature in the heating chamber 5 detected by the temperature sensor 53 is higher than the threshold (S21). The threshold is, for example, 150°C.

When the temperature in the heating chamber 5 is equal to or lower than the threshold (S21: NO), as in the first embodiment, the automatic range screen is displayed on the central display section 30M (S7). On the other hand, if the temperature in the heating chamber 5 is higher than the threshold (S21: YES), a high temperature warning screen is displayed on the central display section 30M (S22). FIG. 20 is an example of a high temperature warning screen displayed on the central display section 30M according to Modification 1-5. In the heating chamber 5 , when automatic microwave cooking is performed, the second heating means 6 is controlled based on the temperature detected by the temperature sensor 53 . However, if the temperature in the heating chamber 5 is high (for example, 150° C. or higher) before the automatic range cooking is performed, the upper limit value (for example, 100° C.) of the detection temperature range of the temperature sensor 53 is detected before the start of cooking. ), and the control unit 7 determines that the state is abnormal. When the temperature in the heating chamber 5 is high in this way, as described in Modification 1-2, the third heating means 8 is provided and the heating chamber 5 is heated to a high temperature immediately before automatic microwave cooking is performed. This is the case when grill cooking is performed. Even after grill cooking is finished, the wall surface temperature of the heating chamber 5 remains high until the temperature of the heating chamber 5 naturally drops.

In such a case, automatic microwave cooking cannot be performed immediately, but manual microwave cooking that does not depend on the detection result of the temperature sensor 53 can be performed. Therefore, when the temperature in the heating chamber 5 is higher than the threshold value, that is, when the temperature in the heating chamber 5 is high, a high temperature caution screen is displayed on the central display section 30M. The high temperature warning screen, as shown in FIG. 20, includes a message informing that the heating chamber 5 is at a high temperature, that the automatic range cannot be used, and that the manual range can be used.

After the high temperature caution screen is displayed on the central display portion 30M for several seconds, the manual range screen is displayed on the central display portion 30M (S23). The range manual screen is the same as the screen shown in FIG. including the time displayed in the That is, in this modification, when the heating door 50 is opened when the temperature inside the heating chamber 5 is high, the high temperature warning screen and the range manual screen are displayed on the central display unit 30M even if the input key 413 is not pressed. Is displayed. The wattage displayed in the second display area 302 and the time displayed in the third display area 303 can be manually changed by operating the input keys 416-419. After that, the processes after step S8 shown in FIG. 9 are performed in the same manner as in the first embodiment.

According to this modified example, the screen displayed on the central display unit 30M is changed according to the conditions in the heating chamber 5 by using the heating door 50 as a trigger, thereby prompting cooking according to the conditions in the heating chamber 5. The user's convenience can be further improved.

Embodiment 2.
A second embodiment will be described. Cooking device 100 of the second embodiment differs from that of the first embodiment in the display control process of central display unit 30M. The configuration of cooking device 100 is the same as that of the first embodiment.

FIG. 21 is a flowchart of display control processing of the central display unit 30M according to the second embodiment. In the present embodiment, whether or not heating door 50 has been opened is determined regardless of whether the main power supply of heating cooker 100 is ON or OFF (S101). That is, even when the main power supply of the heating cooker 100 is OFF, the standby power from the commercial power supply is supplied to the opening/closing detection unit 52 and the control unit 7 . Then, the open/close detector 52 detects that the heating door 50 has been opened, and transmits an open signal to the controller 7 . Here, if the heating door 50 is not opened (S101: NO), it is determined whether or not there is another operation (S102). Then, if there is another operation (S102: YES), a screen corresponding to the operation is displayed on the central operation unit 40M (S103). Another operation is, for example, pressing the main power key 400. In this case, the initial screen shown in FIG. 10 is displayed on the central operation unit 40M.

When there is no other operation (S102: NO), or after the screen display corresponding to the operation is made, it is determined whether or not the main power source of the heating cooker 100 is turned off (S104). When the main power source of the heat cooker 100 is turned off (S104: YES), this process is terminated and the display on the central display section 30M is also turned off. On the other hand, if the main power source of the heating cooker 100 is not turned off (S104: NO), the process returns to step S101.

When the heating door 50 is opened (S101: YES), it is determined whether or not the main power source of the heating cooker 100 is ON (S105). Then, when the main power source of the heat cooker 100 is not turned on (S105: NO), the main power source of the heat cooker 100 is turned on (S106). In addition, here, the main power supply of the heating cooker 100 is turned on to supply electric power to the entire heating cooker 100, but only a part of the heating cooker 100 may be turned on. Specifically, the power of the second heating means 6 related to the heating of the heating chamber 5 may be turned on, and the power of the first heating means 3 may not be turned on. When the main power supply of the heating cooker 100 is already ON (S105: YES), the process proceeds to step S107 without executing step S106.

In step S107, the automatic range screen is displayed on the central display section 30M (S107). The automatic range screen is the same as that of the first embodiment, and is the screen shown in FIG. That is, in the present embodiment, when the heating door 50 of the heating chamber 5 is opened, even if the main power of the heating cooker 100 is not turned on, the main power of the heating cooker 100 is automatically turned on, and the central display portion The automatic range screen is displayed at 30M.

After that, steps S108 to S114 similar to steps S8 to S14 in the first embodiment are performed. Then, when the heat cooking in the heating chamber 5 is reset in step S114 (S114: YES), the initial screen is displayed on the central display section 30M (S115). The initial screen is the same as in the first embodiment, and is the screen shown in FIG. After that, the process returns to step S101 and the subsequent processes are repeated.

As described above, in the present embodiment, the opening of the heating door 50 is used as a trigger to automatically turn on the power of the heating cooker 100 and display a screen regarding heating in the heating chamber 5 on the central display section 30M. do. As a result, it is possible to further reduce the time and effort of the user's operation from the power-off state to the heating in the heating chamber 5, thereby improving usability.

Embodiment 3.
A third embodiment will be described. Cooking device 100 of the third embodiment differs from that of the first embodiment in the display control process of central display unit 30M. The configuration of cooking device 100 is the same as that of the first embodiment.

FIG. 22 is a flowchart of display control processing of the central display unit 30M according to the third embodiment. In the present embodiment, as in the second embodiment, whether or not heating door 50 has been opened is determined regardless of whether the main power source of heating cooker 100 is ON or OFF (S101). . Then, if the heating door 50 is not opened (S101: NO), steps S102 to S104 similar to those in the second embodiment are performed.

On the other hand, if the heating door 50 is opened (S101: YES), it is determined whether or not the main power source of the heating cooker 100 is ON (S105). Then, when the main power source of the heating cooker 100 is not ON (S105: NO), a power prompting screen is displayed on the central display section 30M (S121). FIG. 23 is an example of a power prompt screen displayed on the central display unit 30M according to the third embodiment. As shown in FIG. 23 , the power prompt screen includes a message prompting the user to turn on the main power of cooker 100 . After displaying the power prompting screen, the process returns to step S105. Then, when the main power source of the heating cooker 100 is turned on (S105: YES), the automatic range screen is displayed on the central display section 30M in step S107. After that, steps S108 to S115 similar to those of the second embodiment are performed.

As described above, in the present embodiment, when the heating door 50 is opened, if the main power of the heating cooker 100 is not turned on, the main power of the heating cooker 100 is displayed on the central display portion 30M. A screen prompting to turn it on is displayed. Then, after the main power source of the heat cooker 100 is turned on, a screen regarding heat cooking by the second heating means 6 is displayed on the central display portion 30M. As a result, the labor of the user's operation is reduced, and safety is improved by not turning on the main power source of the heating cooker 100 when the heating door 50 is opened carelessly by a child or the like. can be done.

Each function of the control unit 7 in the above embodiment is implemented by a processing circuit. A processing circuit that implements each function may be dedicated hardware, or may be a processor that executes a program stored in a memory.

If the processing circuit is dedicated hardware, the processing circuit may be, for example, a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array). , or a combination thereof. Each function of the control unit 7 may be realized by an individual processing circuit, or each function may be collectively realized by one processing circuit.

On the other hand, when the processing circuit is a processor, the functions of the control unit 7 are realized by software, firmware, or a combination of software and firmware. Software and firmware are written as programs and stored in the storage unit 70, which is a memory. The processor reads out and executes the programs stored in the storage unit 70 to achieve the functions of each unit.

These programs cause the computer to execute the control procedure of the control section 7 described above. Here, the memory includes, for example, RAM (Random Access Memory), ROM (Read Only Memory), flash memory, EPROM (Erasable Programmable Read Only Memory), EEPROM (Electrically Erasable and Programmable Read Only Memory), non-volatile memory, etc. Or a volatile semiconductor memory corresponds.

It should be noted that the functions of the respective units described above may be partly realized by dedicated hardware and partly by software or firmware.

In this way, the processing circuit that implements each function of the control unit 7 can implement the function of each unit described above by hardware, software, firmware, or a combination thereof.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments, and can be modified in various ways without departing from the gist of the present invention. In addition, the present invention includes all possible combinations of the configurations shown in the following embodiments. For example, Embodiment 2 may be combined with any one or more of Modifications 1-1 to 1-5. Moreover, the heating cooker 100 is not limited to a built-in type, and may be a stationary type or a portable type.

Cooking device 100 may also include an audio output unit such as a speaker. In the above-described embodiment and modification, the contents displayed on the left display section 30L, the central display section 30M, and the right display section 30R may be output by voice.

1 Main Body 2 Top Plate 3 First Heating Means 4 Exhaust Port Cover 5 Heating Chamber 6 Second Heating Means 7 Control Unit 8 Third Heating Means 20L Left Heating Port 20R Right Heating Port 30L Left Display part 30M Central display part 30R Right display part 31L Left heating power display part 31R Right heating power display part 40L Left operation part 40M Central operation part 40R Right operation part 50 Heating door 51 Handle 52 Opening/closing detection Units 53, 54 Temperature sensor 70 Storage unit 100 Cooking device 200 Kitchen furniture 301 First display area 302 Second display area 303 Third display area 400 Main power key 401L, 401R, 402L, 402R, 403L, 403R, 404L, 404R, 405L, 405R, 411, 412, 413, 414, 415, 416, 417, 418, 419 input keys, 410 light emitting unit.

Claims (11)

a top plate;
a first heating means for heating an object to be heated placed on the top plate;
a heating chamber disposed below the first heating means;
a heating door covering the opening of the heating chamber;
a second heating means for heating the object to be heated that is housed in the heating chamber;
A display unit that displays a screen related to cooking by the first heating means and a screen related to cooking by the second heating means ,
The display section switches the displayed screen to a screen related to cooking by the second heating means when the heating door is opened . an open/close detection unit that detects opening/closing of the heating door;
The heating cooker according to claim 1, further comprising a control section that controls the first heating section, the second heating section, and the display section. When the power source of the heating cooker is ON and the opening/closing detection unit detects that the heating door is opened, the control unit causes the display unit to indicate that the cooking is performed by the second heating means. The heating cooker according to claim 2, wherein a screen relating to is displayed. When the opening/closing detection unit detects that the heating door is opened, the control unit displays a screen related to cooking by the second heating means and a screen related to cooking by the second heating means on the display unit. The heating cooker according to claim 2 or 3, which displays a two-dimensional code. When the opening/closing detection unit detects that the heating door is opened, the control unit causes the display unit to display a screen related to cooking by the second heating unit, before displaying the second heating unit. 5. The cooking device according to any one of claims 2 to 4, wherein a warning screen regarding cooking with heat is displayed. Further comprising a temperature sensor that detects the temperature in the heating chamber,
The control unit
when the temperature detected by the temperature sensor is smaller than a threshold, causing the display unit to display a screen for automatic cooking by the second heating means;
The heating cooker according to any one of claims 2 to 5, wherein when the temperature detected by the temperature sensor is equal to or higher than the threshold, the display unit displays a screen for manual cooking by the second heating means. . The control unit turns on the main power supply of the heating cooker when the main power supply of the heating cooker is off and the opening/closing detection unit detects that the heating door is opened, The heating cooker according to any one of claims 2 to 6, wherein the display unit displays a screen related to cooking by the second heating means. When the main power supply of the heating cooker is off and the opening/closing detection unit detects that the heating door is opened, the control unit controls the power supply of the second heating means and the display unit. is turned on, and the power source of the first heating means is not turned on. When the main power supply of the heating cooker is off and the opening/closing detection unit detects that the heating door is opened, the control unit displays the display unit to indicate that the heating door is opened by the second heating means. The heating cooker according to any one of claims 2 to 6 , wherein a screen prompting to turn on the main power of said heating cooker is displayed before displaying a screen relating to heat cooking. further comprising a third heating means for heating the object to be heated stored in the heating chamber;
The second heating means is a microwave heating means,
The heating cooker according to any one of claims 1 to 9, wherein the third heating means is radiant heat heating means, hot air circulation heating means, or electromagnetic induction heating means. a third heating means for heating the object to be heated that is housed in the heating chamber;
further comprising a plurality of the temperature sensors,
The second heating means is a microwave heating means,
The third heating means is radiant heat heating means, hot air circulation heating means or electromagnetic induction heating means,
the plurality of temperature sensors are an infrared sensor and a thermistor sensor;
The control unit
Automatically stopping the cooking by the second heating means according to the detection result of the infrared sensor,
The heating cooker according to claim 6, wherein the heat cooking by the third heating means is automatically stopped according to the detection result of the thermistor sensor.

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