KR0159750B1 - Heating cooker - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heating cooker capable of executing various types of cooking menus, wherein the heating cooking is performed based on a set cooking menu, the control panel provided on the main body and the plurality of cooking menus installed on the operating panel. A display unit for dividing the display into a plurality of cooking menu groups, a setting dial installed on the operation panel for selecting a cooking menu by a rotation operation, and a separate dial provided inside the setting dial to start the cooking start by pressing. It is provided with a start button for instructing, and when the setting dial is rotated in one direction, the cooking menu group is displayed in order in the forward direction, and when it is rotated in the other direction, the cooking menu group is displayed in the reverse direction in order to cook belonging to the cooking menu group. A menu can be set.

Description

Cooker

The present invention relates to a heating cooker such as a microwave oven which automatically executes heating cooking based on the selected cooking menu.

For example, in a microwave oven, a cooking program according to a plurality of cooking menus is stored in advance in a microcomputer or the like, and the user automatically selects one of the cooking menus to automatically heat the cooking according to the corresponding cooking program. It is provided that it was supposed to run

This kind of microwave oven is provided with an operation panel 1 such as shown in FIG. 8 on the front of the main body. In the center part of this operation panel 1, the some selection key 2 corresponding to several cooking menu group "A"-"F" is provided side by side. On the left side of the selection key 2, there is provided a menu display section 3 on which a cooking menu is printed on the surface.

In the menu display unit 3, for example, a plurality of cooking menus (a1, a2, ..., a6) belonging to the cooking menu group "A" and a plurality of cookings belonging to a cooking menu group "B" different from "A". While the menu is displayed (b1, b2, ..., b6), the LED corresponding to each of the cooking menus (a1, a2, ..., a6) (b1, b2, ..., b6) ( 4) is installed.

In this case, when the user wants to execute automatic cooking, the user first presses one of the selection keys (2), selects the cooking menu group "A" or "B", and presses the selection key (2). Repeatedly select the cooking menu. For example, if the user wants to select the cooking menu of (a1), first operate the selection key 2 of "A" (at this time, the LED (4) of (a1) at the top) lights up, and " When the selection key 2 of "A" is operated twice, the lighting of the LED 4 moves in order, and the LED 4 of (a3) lights up. Then, when the start key 5 is operated, automatic cooking according to the cooking program of (a3) is executed.

However, in recent years, the number of cooking menus tends to increase due to diversification of user's preferences and improvement of microwave functions. However, when the number of cooking menus is increased in this way, the number of cooking menus recorded increases, which makes the display of the menu display unit 3 complicated, and it becomes inconvenient that the user becomes difficult to know when selecting a cooking menu.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object thereof is to provide a heating cooker which makes it easy to see a display of a menu display unit when a user selects a cooking menu in enabling execution of various types of cooking menus.

1 is a front view of an operation panel showing an embodiment of the present invention.

2 is a front view showing a state in which the upper end of the cooking menu display unit is illuminated.

3 is a front view showing a state in which the middle portion of the cooking menu display unit is illuminated.

4 is a front view showing a state where the lower end of the cooking menu display unit is illuminated.

5 is a flowchart showing a selection procedure of a cooking menu.

6 is a perspective view of a microwave oven.

7 is a block diagram schematically showing an electrical configuration.

8 is an equivalent view of FIG. 1 showing a conventional example.

* Explanation of symbols for main parts of the drawings

11: body 12: cooking chamber

16 microcomputer (control means) 13 control panel

23: cooking menu display section 24: backlight

25: LED (light emitting element) 29: Dial (operation means)

The heating cooker according to the present invention is provided on an operation panel installed in the main body, a display unit installed on the operation panel to display a plurality of cooking menus divided into a plurality of cooking menu groups, and installed on the operation panel for selecting a cooking menu by a rotation operation. It is provided with a setting dial and a start button separately provided inside the setting dial for instructing to start cooking by a push operation, and when the setting dial is rotated in one direction, the cooking menu group is displayed in order in the forward direction. When rotating in the other direction, the cooking menu group is sequentially displayed in the reverse direction, so that the setting of the cooking menu belonging to the cooking menu group is possible.

In addition, an operation panel mounted on the main body, a display unit installed on the operation panel for dividing and displaying a plurality of cooking menu groups into a plurality of cooking menu groups, and installed on the operation panel to select a cooking menu by a rotating operation and simultaneously to push operation. And a setting combined start button for instructing to start cooking, and when the setting combined start button is rotated in one direction, the cooking menu group is displayed in the forward direction, and when the direction is rotated in the other direction, the cooking menu group is displayed in the reverse direction. It is possible to set cooking menus belonging to the cooking menu group.

Further, when the cooking menu group is sequentially displayed in the forward direction, the plurality of cooking menus in each cooking menu group are sequentially displayed in the forward direction, and when the cooking menu group is sequentially displayed in the reverse direction, the plurality of cooking menu groups in the cooking menu group are displayed. A plurality of cooking menus are displayed in reverse order.

In addition, in performing heating cooking based on the set cooking menu, an operation panel provided on the main body and a display unit provided on the operation panel to display a plurality of cooking menus divided into at least a first cooking menu group and a second cooking menu group. And a setting dial installed on the operation panel for selecting a cooking menu by a rotational operation, and a start button separately installed inside the setting dial to instruct cooking start by a pressing operation. When the dial is rotated in one direction, the first cooking menu group is displayed in order from the second cooking menu group. At the same time, the plurality of cooking menus in the first and second cooking menu groups are sequentially displayed in the forward direction, and rotated in the other direction. The plurality of sets in the second and first cooking menu groups are sequentially displayed from the second cooking menu group to the first cooking menu group. Menu is characterized in that it is displayed in turn in the reverse direction can be set to the cooking menus belonging to the cooking menu group.

In addition, in performing heating cooking based on the set cooking menu, an operation panel provided on the main body and a display unit provided on the operation panel to display a plurality of cooking menus divided into at least a first cooking menu group and a second cooking menu group. It is installed on the operation panel and provided with a combined start button for instructing the start of cooking by pressing the operation and at the same time select the cooking menu, and rotates the combined start button in one direction, the first cooking menu And a plurality of cooking menus in the first and second cooking menu groups are sequentially displayed in the forward direction, and rotated in different directions, and the first cooking menu group is in the second cooking menu group. The plurality of cooking menus in the second and first cooking menu groups are displayed in turn in the reverse order, and This set of cooking menus that belong to the menu group is characterized in that the enabling.

An embodiment in which the present invention is applied to a microwave oven with an oven function will be described with reference to FIGS. 1 to 7. First, FIG. 6 shows the appearance of a microwave oven which is a heating cooker. In the main body 11 of the microwave oven, a cooking chamber 12 and a machine room (not shown) are arranged side by side. In the cooking chamber 12, an oven heater 13 for cooking an oven, a grill heater 14 for cooking a grill, and the like are installed in the cooking chamber 12, and a microwave cooking magnetron 15 and the like are installed in the machine room. It is installed.

The oven heater 13, grill heater 14 and the magnetron 15 are controlled by the drive circuits 17, 18 and 19, respectively, by the microcomputer 16 installed in the machine room as shown in FIG. have. In this way, the microcomputer 16 controls the oven heater 13, the grill heater 14, the magnetron 15 and the like according to the selected cooking menu as described below, and automatically heats and cooks the food contained in the cooking chamber 12. It is supposed to run.

A door 20 for opening and closing the cooking chamber 12 is rotatably installed on the front surface of the main body 11 and an operation panel 21 is provided. The operation panel 21 will be described below with reference to FIGS. 1 to 4.

First, a time display section 22 for digitally displaying a cooking time or the like is provided at the top of the operation panel 21. A cooking menu display section 23 is provided directly below the time display section 22. The cooking menu display unit 23 is composed of several types of cooking menus printed on a light-transmissive panel, and such cooking menus are classified into three types of cooking menu groups, "A", "B", and "C", respectively. The cooking menu name is printed on the upper portion 23a, the middle portion 23b, and the lower portion 23c of the display portion 23.

In the upper portion 23a, a title of the cooking menu group "A" is printed on the upper portion, and a plurality of cooking menus a1, a2, ..., a8 are printed on the lower portion thereof. Similarly, the titles of the plurality of cooking menus "B" and "C" and the cooking menus (b1, b2, ..., b8) (c1, c2, ..., c8) on the middle portion 23b and the lower portion 23c. Are printed respectively.

On the back side of the cooking menu display section 23, a backlight 24 (shown in FIG. 7 only) is provided corresponding to each of the upper end 23a, the stop 23b, and the lower end 23c. In this case, the title of the cooking menu group is printed to be always displayed to the user regardless of whether the backlight 24 is turned on. As illustrated in FIGS. 2 to 4, each of the shopping menus is displayed on the backlight 24. It is printed so that it only rises brightly when it is illuminated from behind and becomes dark overall when the backlight 24 is turned off.

In the cooking menu display 23, LEDs 25 which are light emitting elements are provided for each cooking menu. As shown in FIG. 7, the backlight 24 and the LEDs 25 are turned on and off by the microcomputer 16 through the display circuits 26 and 27.

As a result, as described later, one LED 25 corresponding to the cooking menu is selectively turned on according to the user's operation of selecting the cooking menu, and the backlight 24 corresponding to the cooking menu group to which the cooking menu belongs. ) Is selectively lit. Therefore, the microcomputer 16 is supposed to function as a control means of the present invention. The time display section 22 is also controlled by the microcomputer 16 via the display circuit 28.

On the other hand, as shown in FIG. 1, the lower part of the operation panel 21 is provided with the dial 29 which is an operation means for a user to select a cooking menu so that rotation and a push operation are possible. This dial 29 operates the pulse switch 30 (shown only in FIG. 7) by being rotated, and the pulse according to the rotation angle of the dial 29 in this pulse switch 30 as shown in FIG. A signal is input to the microcomputer 16 via a menu and time setting circuit 31.

In this embodiment, the dial 29 also serves as a cooking start button and is operated by pressing the start switch 32 (only shown in FIG. 7). The signal of the start switch 32 is also input to the microcomputer 16 via the key switch circuit 33.

The microcomputer 16 stores a cooking program corresponding to each of the cooking menus, and performs automatic cooking according to a user's selection. In this case, when the dial 29 is rotated, the microcomputer 16 turns on the LEDs 25 of the cooking menu display unit 23 in order according to the rotation angle of the dial 29 and at the same time turns on the backlight 24. When the LED 25 of the cooking menu desired by the user is on, the rotation of the dial 29 is stopped and the cooking menu is automatically operated by pressing the dial 29 in the state. It is intended to be executed.

At the bottom of the dial 29, manual keys 34 such as "range", "toaster", "oven" and "temperature control" are provided for executing manual cooking (cooking which the user sets the mode and time of cooking). It is. As shown in FIG. 7, the signal of the manual key 34 is also input to the microcomputer 16 via the key switch circuit 33. As shown in FIG. When manual cooking is selected here, the function of the dial 29 is switched for time setting and the cooking time can be set by the rotation operation.

In this case, as shown in FIG. 1, a function display lamp 35 for displaying the current function of the dial 29 is provided in the upper left portion of the dial 29, and "auto select" is lit. In this case, the above-described cooking menu is selected by the rotation operation of the dial 29, and when "time" is lit, the time setting can be performed by the rotation operation of the dial 29. The set time at this time is displayed on the time display section 22.

Next, the operation of the above configuration will be described with reference to FIG. When food is accommodated in the cooking chamber 12 and the door 20 is closed, the microcomputer 16 performs control in the order shown in the flowchart of FIG.

That is, when the door 20 is closed, first, the "auto select" of the function display lamp 35 lights up. (Step S1) In this state, any of the manual keys 34 is pressed to set the manual cooking mode. (Yes in step S2), it is determined that the manual cooking course has been selected, and the function display lamp 35 is switched to lighting of "time". (Step S3)

Then, when the dial 29 is rotated (Yes in step S4), the cooking time is displayed on the time display section 22 in accordance with the amount of rotation (step S5). The user stops the operation at the time when the time to be called is displayed. In this way, the cooking mode and time are set, and when the dial 29 is pressed (started) (Yes in step S6), the set cooking is executed. (Step S7)

On the other hand, if the user rotates the dial 29 without pressing the manual key 34 (No in step S2) (Yes in step S8), it is determined that the automatic cooking course is selected. Here, when the user rotates the dial 29, one LED 25 corresponding to each cooking menu of the cooking menu display unit 23 lights up one by one, but in this case, the dial 29 is turned to the right (clockwise rotation). Direction (Yes in step S9), the LED 25 is turned on sequentially from the highest cooking menu a1. (Step S10)

Moreover, when the dial 29 rotates to the left (counterclockwise rotation) direction (No in step S9), the lighting of the LED 25 proceeds in the direction going up. (Step S11) Therefore, now (a1) When the dial 29 rotates to the left when the LED 25 is turned on, the LED 25 of the last (c8) turns on and rotates to the left. LED 25 is turned on in the order of. The user selects one of the cooking menus displayed on the cooking menu display unit 23 by the lighting of the LED 25.

At this time, the backlight 24 is turned on together with the lighting of the LED 25 (step S12). In this case, one of the three backlights 24 is selectively turned on and the cooking of the LED 25 is currently turned on. Only the cooking menu group to which the menu belongs is illuminated so as to be brightly displayed behind.

Specifically, when the LED 25 of the cooking menu belonging to the cooking menu group "A" from (a1) to (a8) is lit, the upper end 23a is illuminated by the backlight 24 (Fig. 2). Reference), and when the LED 25 of the cooking menu belonging to the cooking menu group "B" from (b1) to (b8) is lit, the stop part 23b is illuminated by the backlight 24 (third) When the LED 25 of the cooking menu belonging to the cooking menu group "C" from (c1) to (c8) is lit, the lower end 23c is illuminated by the backlight 24. See Figure 4)

After the selection of the cooking menu is made, when the dial 29 is pressed (started) (Yes in step S13), automatic cooking of the selected cooking menu (corresponding to the lit LED 25) is executed. Step S14)

According to this embodiment, when the user selects a desired cooking menu, only the backlight 24 corresponding to the cooking menu group to which the selected cooking menu belongs is lit, and only the cooking menu group is illuminated from behind.

Accordingly, some of the cooking menus required by the cooking menu display unit 23, which is different from the conventional heating cooker, which is difficult to understand when the menu display unit 3 is complicated and is difficult to understand when the user performs the selection operation of the cooking menu, is required. Only the light is displayed brightly, and the display is very visible to the user and the selection operation can be easily performed.

In particular, in the present embodiment, since the cooking menu is selected by the rotation operation of the dial 29, the operation is much easier than in the case of pressing the select key 2 several times as in the prior art. In addition, since the function of the plurality of selection keys 2 and the function of the start button are made by one dial 29, the number of parts on the operation panel 21 can be reduced, and furthermore, the cooking menu display unit ( 23 can be enlarged and the cooking menu display 23 can be made easier for the user.

In the above embodiment, the cooking menu is selected by rotating the dial 29. Alternatively, the cooking menu may be selected by pressing a selection key, and the dial and the start button may be separately installed. It is a heating cooker which can be suitably changed and implemented within the range which does not deviate from the summary of this invention, such as good.

As is clear from the above description, according to the heating cooker of the present invention, only the backlight corresponding to the cooking menu group to which the selected cooking menu belongs is lit and only the cooking menu group is illuminated from behind, thus executing various types of cooking menus. This makes it possible to make the display of the menu display section easier to see when the user selects the cooking menu.

In addition, when the operation means is constituted by a dial, it is possible to add to the above-described effects, making it easier to select a cooking menu, and to reduce the number of parts and save space.

Claims (5)

In the heating cooking based on the set cooking menu, the control panel provided in the main body; A display unit installed on the operation panel to display a plurality of cooking menus divided into a plurality of cooking menu groups; A setting dial installed on the operation panel for selecting a cooking menu by a rotation operation; And a start button installed separately inside the setting dial to instruct cooking start by pressing operation, and when the setting dial is rotated in one direction, the cooking menu group is sequentially displayed in the forward direction and rotated in the other direction. And a cooking menu group is displayed in a reverse order, so that the cooking menu belonging to the cooking menu group can be set. In the heating cooking based on the set cooking menu, the control panel provided in the main body; A display unit installed on the operation panel to display a plurality of cooking menus divided into a plurality of cooking menu groups; It is installed on the operation panel and provided with a combination start button for selecting a cooking menu by rotating operation and instructing the start of cooking by pressing operation. And a cooking menu group is displayed in a reverse direction when the display menu is rotated in a different direction, so that the cooking menu belonging to the cooking menu group can be set. The method according to claim 1 or 2, wherein when the cooking menu groups are sequentially displayed in the forward direction, the plurality of cooking menus in each of the cooking menu groups are sequentially displayed in the forward direction, and the cooking menu groups are sequentially displayed in the reverse direction. And when said plurality of cooking menus in each cooking menu group are displayed in reverse order. In the heating cooking based on the set cooking menu, the control panel provided in the main body; A display unit installed on the operation panel to display a plurality of cooking menus divided into at least a first cooking menu group and a second cooking menu group; A setting dial installed on the operation panel for selecting a cooking menu by a rotation operation; And a start button separately installed inside the setting dial for instructing cooking start by pressing operation, and when the setting dial is rotated in one direction, the first cooking menu group is displayed in order from the second cooking menu group. At the same time, the plurality of cooking menus in the first and second cooking menu groups are sequentially displayed in the forward direction, and when rotated in another direction, the second cooking menu groups are sequentially displayed from the second cooking menu group to the first cooking menu group. And a plurality of cooking menus in one cooking menu group are displayed in a reverse order, so that cooking menus belonging to the cooking menu group can be set. In the heating cooking based on the set cooking menu, the control panel provided in the main body; A display unit installed on the operation panel to display a plurality of cooking menus divided into at least a first cooking menu group and a second cooking menu group; It is installed on the operation panel and provided with a setting combined start button for instructing cooking start by pressing operation at the same time selecting a cooking menu, and rotating the setting combined start button in one direction, the first cooking menu group. Are sequentially displayed in a second cooking menu group, and at the same time, the plurality of cooking menus in the first and second cooking menu groups are sequentially displayed in the forward direction, and when rotated in another direction, the second cooking menu group is changed from the second cooking menu group to the first cooking menu group. And the plurality of cooking menus in the second and first cooking menu groups are displayed in turn in the reverse order to enable the setting of the cooking menus belonging to the cooking menu group.