JP2012220091A - Heating cooker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heating cooker with superior visibility such that a menu of heat cooking can be recognized at a glance.SOLUTION: The heating cooker includes an induction heating coil 3 which heats food, a display part 10 which displays a state of a heating cooker to a user, and a menu selection key 13c for selecting a predetermined menu out of a plurality of menus. The display part includes menu lamps 12L which displays whether or not respective menus are selected, and when any of the menus is selected, the display part blinks the menu lamp corresponding to the selected menus with first luminance and turns on menu lamps corresponding to not selected menus with second luminance lower than the first luminance.

Description

  The present invention relates to a cooking device that is easy to grasp a menu that can be selected by a user and that has a high visibility so that a currently selected menu can be recognized at a glance.

  Conventionally, this type of cooking device includes an operation element provided on an operation panel, a plurality of display units provided on the operation panel for lighting and displaying a cooking menu, and the operation element in an initial state before the start of cooking. A first control unit that lights all of the display unit when it is operated for the first time, and a display unit related to the operation unit among the plurality of display units when the operation unit is operated next. Second display control means for turning off other display portions while being lit was provided (for example, see Patent Document 1).

JP-A-6-241477

  However, in the conventional configuration, since the display unit other than the operated state is turned off, it is difficult to recognize other selectable menus when the cooking menu is selected.

  In addition, there is a conventional method of blinking the selected menu display and lighting the other menu display. However, since there is no difference in luminance between the blinking display section and the lit display section, it is easy to see at a glance. However, it was difficult to distinguish.

  The present invention solves the above-mentioned conventional problem, and the user can turn on the menu lamp corresponding to the menu that has not been selected by lowering the brightness of the menu lamp corresponding to the selected menu. It is an object of the present invention to provide a cooking device with excellent visibility that can immediately recognize all menus that can be selected and can recognize the currently selected menu at a glance.

  In order to solve the above-described conventional problems, a heating cooker according to the present invention includes a heating unit that heats food, a display unit that displays a state of the heating cooker to a user, and a predetermined menu among a plurality of menus. And a menu lamp for displaying whether or not each menu is selected, and the display unit is in a state in which any menu is selected. The menu lamp corresponding to the selected menu blinks with the first luminance, and the menu lamp corresponding to the unselected menu is lit with the second luminance lower than the first luminance.

  With this configuration, it is possible to immediately grasp all the menus that can be selected by the user, and at the same time to recognize the currently selected menu at a glance, and to provide a cooking device with excellent visibility. It becomes possible.

  The cooking device of the present invention can immediately grasp all menus that can be selected by the user, and can recognize the currently selected menu at a glance.

The figure which shows the state of the menu lamp of the heating cooker in Embodiment 1 of this invention. The block diagram which shows the structure of the heating cooker in Embodiment 1 of this invention. The figure showing the display part and operation part of the heating cooker in Embodiment 1 of this invention (A) State diagram in which all of the display unit of the heating cooker in Embodiment 1 of the present invention is displayed (B) of the display unit when the power of the heating cooker in Embodiment 1 of the present invention is turned on State diagram (C) State diagram of the display when the menu selection key of the heating cooker in Embodiment 1 of the present invention is depressed (D) Conventional display state diagram when selecting the menu (E) When selecting the menu Conventional display state diagram (A) State figure where all the display parts of the heating cooker in Embodiment 1 of the present invention are displayed (B) When the menu selection key of the heating cooker in Embodiment 1 of the present invention is pressed down State diagram of display section (C) State diagram of display section when menu selection key of heating cooker in embodiment 1 of the present invention is further depressed (D) State of heating cooker in embodiment 1 of the present invention State diagram of display unit when menu selection key is further pressed (E) State diagram of display unit when heating off / on key of heating cooker in embodiment 1 of the present invention is pressed down (A) The figure showing the ON time of LED in the case of making a menu lamp light (flash) with the 1st brightness | luminance of the heating cooker in Embodiment 1 of this invention (B) The heating in Embodiment 1 of this invention The figure showing the ON time of LED in the case of making it light (flash) with the 2nd brightness | luminance of a cooking appliance (A) The figure which shows the state of the menu lamp of the heating cooker in Embodiment 2 of this invention (B) The state figure of the display part when the power of the heating cooker in Embodiment 2 of this invention is turned on (C) ) State diagram of the display unit when the menu selection key of the heating cooker in Embodiment 2 of the present invention is pressed down (D) The menu selection key of the heating cooker in Embodiment 2 of the present invention is further pressed down State diagram of the display unit at the time (E) State diagram of the display unit when the menu selection key of the cooking device in the second embodiment of the present invention is further pressed (A) The figure which showed the state of the display part of the heating cooker in Embodiment 3 of this invention (B) The state figure of the display part when the power of the heating cooker in Embodiment 3 of this invention was turned on ( C) State diagram of the display unit when the menu selection key of the heating cooker in Embodiment 3 of the present invention is pressed down (D) The menu selection key of the heating cooker in Embodiment 3 of the present invention is further pressed down (E) State diagram of the display unit when a predetermined time has elapsed after pressing the menu selection key of the heating cooker in Embodiment 3 of the present invention

  1st invention is equipped with the heating part which heats food, the display part which displays the state of a heating cooker to a user, and the menu selection part for selecting a predetermined menu from a plurality of menus, The display unit includes a menu lamp that displays whether or not each menu is selected, and the display unit displays a menu lamp corresponding to the selected menu when any menu is selected. The menu lamp blinks at a luminance of 1, and the menu lamp corresponding to the unselected menu is lit at a second luminance lower than the first luminance.

  As a result, the user can grasp at a glance the currently selected menu since the currently selected heating menu lamp blinks with a higher brightness than the other menu lamps. Since the menu lamps that have not been selected are also lit, it is possible to immediately grasp all the menus that can be selected. In this way, by changing the brightness of the menu lamp selected at the time of menu selection and the brightness of the menu lamp not selected, it is possible to display with excellent visibility.

In particular, according to the second invention, in the first invention, the selected menu lamp is switched to blinking at the first luminance, and is lit at the first luminance.
As a result, the user can grasp at a glance the currently selected menu since the currently selected heating menu lamp is lit with higher brightness than the other menu lamps. In addition, since the menu lamps that have not been selected are also lit, it is possible to grasp all the selectable menus. In this way, the menu lamp selected at the time of menu selection is changed to blinking, and even when it is turned on, the brightness of the selected menu lamp and the brightness of the unselected menu lamp can be changed for visibility. An excellent display can be performed.

  The third aspect of the invention relates to a menu lamp corresponding to a menu that has not been selected until the next operation, particularly when the state is shifted from the menu selection state to the menu selection state in the first or second invention. Is lit and displayed at the first luminance.

  As a result, when the menu selection state is changed to the menu selection state, the entire menu lamp is displayed at the first luminance higher than the second luminance, so that the user can surely grasp all the menus first. When the menu is selected continuously, the currently selected menu lamp is lit at a higher brightness than other menu lamps, so that the currently selected menu can be grasped at a glance. Since the menu lamps that are not displayed are also lit, it is possible to grasp all the selectable menus.

  In the fourth aspect of the invention, in particular, in the first or second aspect of the invention, the menu lamp corresponding to the menu that has not been selected for a certain period of time when the menu selection state is shifted from other than the menu selection state. Lights up with brightness.

  Thus, as in the third aspect of the invention, when the menu selection state is shifted from the menu selection state to the menu selection state, all the menu lamps are displayed with the first brightness brighter than the second brightness. First, it is possible to grasp all menus reliably, and after the user recognizes all menus after a certain period of time, the currently selected menu lamp is lit with higher brightness than other menu lamps. The currently selected menu can be grasped at a glance, and the menu lamps that have not been selected are also lit, so that all the selectable menus can be grasped.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
First, the whole structure of the induction heating cooking appliance which is a heating cooker is demonstrated using FIG. FIG. 2 is a block diagram showing the configuration of the heating cooker according to the first embodiment of the present invention.

  In FIG. 2, a top plate 2 in which the pan 1 is installed, an induction heating coil 3 that is provided under the top plate 2 and that heats the pan 1, and an inverter for limiting the current flowing through the induction heating coil 3. 4, the control part 5 which controls the inverter 4, the display part 10 which displays the state of an apparatus to a user, and the operation part 13 for a user to operate an apparatus.

  As a basic operation, when the user inputs a key on the operation unit 13, the control unit 5 controls the inverter 4 to flow a high-frequency current through the induction heating coil 3, and the magnetic flux generated from the induction heating coil 3 The pan 1 is heated by generating an eddy current in the pan 1.

  At this time, the control unit 5 displays the state of the device on the display unit 10 so that the user can grasp the state of the device.

  Next, the structure of the display part 10 and the operation part 13 is demonstrated using FIG. FIG. 3 is a diagram illustrating a display unit and an operation unit of the cooking device according to the first embodiment of the present invention. In FIG. 3, the display unit 10 includes a thermal power display unit 11 and a menu display unit 12.

  The thermal power display unit 11 represents an output when heating. The menu display unit 12 represents a cooking menu when heating. As shown in the figure, the menu display unit 12 has four types of menu lamps 12L: a heating menu lamp 12a, a deep-fried menu lamp 12b, a hot water menu lamp 12c, and a rice cooking menu lamp 12d.

  Each character of the thermal power display unit 11 and the menu display unit 12 is a membrane sheet, and each character can be displayed by emitting light with an LED from the back side of the sheet. The operation unit 13 has a plurality of keys for operating an induction heating cooker that is a heating cooker, a thermal power down key 13a, a thermal power up key 13b, a menu selection key 13c that is a menu selection unit, and a heating off / on key 13d. There are four types.

  About the induction heating cooking appliance comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  FIG. 1 is a diagram showing a state of a menu lamp of a heating cooker according to the first embodiment of the present invention. It shows the flashing state (first luminance) and lighting (second luminance) of each menu lamp when the menu selection key is pressed.

  FIG. 4A is a state diagram in which all the display units of the heating cooker in the first embodiment of the present invention are displayed. FIG. 4B is a power supply of the heating cooker in the first embodiment of the present invention. The state diagram (C) of the display unit when turning on is the state diagram (D) of the display unit when the menu selection key of the operation unit of the heating cooker in the first embodiment of the present invention is depressed. A conventional display state diagram (E) at the time of selection is a conventional display state diagram at the time of menu selection.

  FIG. 4A shows a state where all the lamps of the display portion are displayed.

  First, the user turns on the power by pressing the power switch of the induction heating cooker (the power switch is not shown). Generally, an induction heating cooker has a power switch, and can be operated by pressing the switch to turn on the power.

  The display on the display unit at this time is shown in FIG. FIG. 4B is a state diagram of the display unit when the cooking device according to the first embodiment of the present invention is turned on. The induction cooking device, which is a heating cooking device, needs to press the heating off / on key 13d (FIG. 3) after selecting a menu to start heating, and is not in the menu selection state immediately after the power is turned on. All menu lamps are off.

  Next, since it is necessary to select a cooking menu before heating is started, the menu selection key 13c of the operation unit 13 in FIG. 3 is pressed once. The display at this time is shown in FIG. FIG. 4C is a state diagram of the display unit when the menu selection key of the cooking device according to the first embodiment of the present invention is pressed down.

  By pressing the menu selection key 13c once, the heating menu is selected. At this time, the heating menu lamp 12a is blinked at the first luminance, and the menu items for other deep-fried foods, kettles, and rice cookers are lit at the second luminance lower than the first luminance.

By this display, the user can grasp the currently selected menu at a glance because the currently selected heating menu lamp 12a blinks at a higher brightness than the other menu lamps. Since the menu lamps that have not been selected are also lit, it is possible to immediately grasp all the menus that can be selected.

  Next, FIG. 4D shows a conventional display state diagram when the menu is selected, and FIG. 4E shows a conventional display state diagram when the menu is selected. First, in FIG. 4D, the display of the selected menu lamp is blinking at the first luminance as in FIG. 4C, but the unselected menu lamp is also lit at the first luminance. ing.

  In this case, since all the menu lamps are displayed, it is possible to grasp all the menus that can be selected by the user, but the brightness of the selected menu lamp and the other menu lamps is the same. It may be difficult to see at a glance which menu is being selected.

  Next, in FIG. 4E, the display of the selected menu lamp is blinking at the first luminance as in FIG. 4C, but the unselected menu lamp is turned off. This makes it easy to determine the selected menu at a glance, but it is impossible to grasp what other selectable menus are.

  From these facts, it can be said that the display of the present invention is superior in visibility as compared with the conventional display.

  Next, FIG. 5A is a state diagram in which all of the display units of the cooking device according to the first embodiment of the present invention are displayed, and FIG. 5B is a heating cooking according to the first embodiment of the present invention. It is the state figure of a display part when the menu selection key of a vessel is pushed down.

  When the menu selection key is further pressed (FIG. 3) once from the state of FIG. 4C, the state shifts to the state of FIG. 5B.

  Similarly to FIG. 4C, the selected deep-fried menu lamp blinks at the first luminance, and the other menu lamps are lit at the second luminance lower than the first luminance.

  Further, when the menu selection key is pressed, the process shifts to FIG. 5 (C) and FIG. 5 (D).

  FIG. 5 (C) is a state diagram of the display unit when the menu selection key of the cooking device in the first embodiment of the present invention is further pressed, and FIG. 5 (D) is the first embodiment of the present invention. It is a state figure of a display part when the menu selection key of the cooking-by-heating machine in a form is pushed down further.

  FIG. 5E is a state diagram of the display unit when the heat-off / on key of the heating cooker in the first embodiment of the present invention is pressed down.

  When the heating off / on key is pressed from the state shown in FIG. 4C, heating starts, and the display is as shown in FIG. 5E. At this time, the heating menu lamp is turned on with the first luminance, and the other menu lamps are turned off.

  In this way, by changing the brightness of the menu lamp selected at the time of menu selection and the brightness of the menu lamp not selected, it is possible to display with excellent visibility.

  Here, means for switching between the first luminance and the second luminance will be described. Since the menu lamp emits light from the back of the membrane sheet with the LED, it can be achieved by changing the on-time of the LED according to the luminance.

  This on-time is controlled by the output of the microcomputer. FIG. 6A is a diagram showing the on-time of the LED when the menu lamp is turned on (flashing) at the first luminance of the cooking device according to the first embodiment of the present invention. ) Is a diagram showing the on-time of the LED when the cooking device according to the first embodiment of the present invention is turned on with the second luminance.

  As shown in the figure, it is possible to make a difference in luminance when lighting (flashing) at the first luminance is longer than the on-time when lighting at the second luminance.

  However, the frequency f obtained from the on / off control period T of the LED needs to be higher than the human visible limit frequency. If the frequency f is lower than the visible limit frequency, the user may feel flicker. There is a need to be careful (generally, the visible limit frequency is said to be 50 Hz to 70 Hz).

(Embodiment 2)
FIG. 7 (A) is a diagram showing a state of a menu lamp of an induction heating cooker that is a heating cooker according to the second embodiment of the present invention. Description of the same parts as those in the first embodiment will be omitted, and different parts will be described. FIG. 7B is a state diagram of the display unit when the power of the heating cooker according to the second embodiment of the present invention is turned on. FIG. 7C is a menu of the cooking device according to the second embodiment of the present invention. The state diagram (D) of the display unit when the selection key is depressed is the state diagram (E) of the display unit when the menu selection key of the cooking device according to the second embodiment of the present invention is further depressed. It is a state figure of a display part when the menu selection key of the heating cooker in Embodiment 2 of this invention is pushed down further.

  First, the user turns on the power by pressing the power switch of the induction cooking device which is a cooking device. (The power switch is not shown) The state of the display portion at this time is shown in FIG.

  In this induction heating cooker, it is necessary to press the heating off / on key after selecting a menu in order to start heating, and immediately after the power is turned on, all menu lamps are turned off because the menu is not selected.

  Next, since it is necessary to select a cooking menu in order to start heating, the menu selection key 13c in FIG. 3 is pressed once. The display at this time is shown in FIG. By pressing the menu selection key once, the heating menu is selected.

  At this time, the heating menu lamp 12a is turned on with a first luminance, and the menu items for other deep-fried foods, kettles and rice cookers are turned on with a second luminance lower than the first luminance. When the menu selection key is further pressed once from the state of FIG. 7C, the state shifts to the state of FIG.

  Similarly to FIG. 7C, the selected deep-fried menu lamp 12b is lit with the first luminance, and the other menu lamps are lit with the second luminance lower than the first luminance. When the menu selection key is further pressed, the process proceeds to FIG.

  This display allows the user to grasp at a glance the currently selected menu because the currently selected heating menu lamp 12a is lit with a higher brightness than the other menu lamps.

  In addition, since the menu lamps that have not been selected are also lit, it is possible to grasp all the selectable menus.

(Embodiment 3)
FIG. 8A is a state diagram of the display unit of the cooking device according to the third embodiment of the present invention. FIG. 8B is a state when the cooking device according to the third embodiment of the present invention is turned on. The state diagram (C) of the display unit is a state diagram (D) of the display unit when the menu selection key of the heating cooker in the third embodiment of the present invention is pressed down. State diagram of the display unit when the menu selection key of the cooking device in the embodiment is further pressed down (E) Display when a predetermined time has elapsed after the menu selection key of the cooking device in Embodiment 3 of the present invention is pressed down FIG. Description of the same parts as those in the first embodiment will be omitted, and different parts will be described.

  First, the user turns on the power by pressing the power switch of the induction heating cooker. (The power switch is not shown) The display on the display unit at this time is shown in FIG. In this induction heating cooker, it is necessary to press the heating off / on key after selecting a menu in order to start heating, and immediately after the power is turned on, all menu lamps are turned off because the menu is not selected.

  Next, since it is necessary to select a cooking menu in order to start heating, the menu selection key 13c in FIG. 3 is pressed once. The display at this time is shown in FIG. By pressing the menu selection key once, the heating menu is selected. At this time, the heating menu lamp is blinked at the first luminance, and the menu items for other deep-fried foods, kettles, and rice cookers are lit at the same first luminance.

  Next, FIG. 8D shows a display when the menu selection key is pressed. In FIG. 8C, when all the menu lamps are displayed with the first luminance brighter than the second luminance when the menu selection state is changed to other than the menu selection state, the menu selection key is pressed from this state. In the same manner as in the first embodiment, the selected menu lamp is lit with the first luminance, and the unselected menu lamp is lit with the second luminance lower than the first luminance.

  As described above, when the menu selection state is changed to the menu selection state, all the menu lamps are displayed at the first luminance higher than the second luminance, so that the user can surely grasp all the menus first. When the menu is selected continuously, the currently selected menu lamp is lit at a higher brightness than other menu lamps, so that the currently selected menu can be grasped at a glance. Since the menu lamps that are not displayed are also lit, it is possible to grasp all the menus that can be selected.

  The condition for shifting from the state in which all menu lamps are displayed at the first brightness to the state in which the brightness of the menu lamp selected and the menu lamp not selected is changed is “when the menu selection key is pressed”. Alternatively, the same effect can be obtained by setting “when a certain time has elapsed” instead.

  Specifically, when the menu selection key is pressed from a state other than the menu selection state and the screen shifts to FIG. 8C, the unselected menu lamp in FIG. Move to the state of lighting with. The user can see all the menu lamps at the first brightness brighter than the second brightness for 5 seconds, and can grasp all the selectable menus.

As described above, the cooking device according to the present invention is selected by the user by lighting the menu lamp corresponding to the menu that is not selected lower than the menu lamp corresponding to the selected menu. All possible menus can be immediately grasped, and at the same time, the currently selected menu can be recognized at a glance, so that the visibility can be improved, which is effective for a cooking device.

3 Induction heating coil 10 Display section 12L Menu lamp 13c Menu selection key

Claims (4)

A heating unit that heats the food; a display unit that displays a state of the heating cooker to the user; and a menu selection unit that selects a predetermined menu from a plurality of menus. The display unit has a menu lamp that displays whether or not a menu is selected, and the display unit blinks the menu lamp corresponding to the selected menu with the first luminance when any menu is selected. A cooking device that turns on a menu lamp corresponding to a menu that has not been selected at a second luminance lower than the first luminance. The cooking device according to claim 1, wherein the selected menu lamp is turned on at the first luminance instead of blinking at the first luminance. 3. The menu lamp corresponding to the unselected menu is lit and displayed with the first luminance until the next operation when the state is shifted from the menu selection state to the menu selection state. Cooking cooker. 3. The cooking device according to claim 1, wherein a menu lamp corresponding to a menu that has not been selected is displayed with a first brightness when a transition is made from a menu selection state to a menu selection state for a certain period of time.

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