JP2007078289A - Heating cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve operability of input operation of operation keys arranged on an operation panel in a heating cooker provided with the operation panel. <P>SOLUTION: The operation panel for carrying out input operation of cooking conditions such as a cooking time is arranged in a suitable place of a cooking device body. The operation panel is composed of a touch panel detecting the input operation from change of capacitance, the operation keys indicating operation positions are printed on a rear side of the touch panel, and a plurality of lamps are arranged in a rear side suitable place of the operation panel in correspondence to the operation keys. It is composed so as to control lighting of the lamps by a control means such that only operation keys needing input operation are displayed of the operation keys. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a cooking device including an operation panel for inputting cooking conditions such as cooking time, such as a microwave oven and a microwave oven.

The operation panel for a cooking appliance has a problem that the operation procedure of the operation keys arranged on the operation panel is difficult to understand. For example, as shown in Patent Document 1, an operation switch arranged on the operation panel is provided with a liquid crystal shutter for operation. It is configured to display keys to be set accordingly.
JP 9-35863 A

  On the other hand, in the configuration described in Patent Document 1, it is necessary to provide a liquid crystal shutter for each key, and the structure of the operation key is complicated and the specific configuration is not described. There is a problem that a detecting means for detecting is required, and the total cost of the operation keys becomes expensive.

  In view of the above, an object of the present invention is to display only a specific key that can be input at the start of cooking with a relatively simple configuration, thereby improving the operability during input.

  According to the first aspect of the present invention, an operation panel for inputting a cooking condition such as cooking time is disposed at an appropriate position of the cooker main body, and the touch panel detects an input operation from a change in capacitance. The operation key indicating the operation position is printed on the back side of the touch panel, and a plurality of lamps are arranged corresponding to the operation keys at appropriate positions on the back side of the operation panel. It is configured to control the lighting of the lamp so that only the operation keys that require operation are displayed.

  According to a second aspect of the present invention, in the configuration of the first aspect, the lamp is configured to be capable of emitting two or more colors, and the control means performs a light emission color of an operation key for performing an input operation and then performs an input operation. The operation keys are configured to have different emission colors.

  According to a third aspect of the present invention, in the configuration of the first or second aspect, the operation keys for performing the selection operation at the same time are arranged side by side to arrange a plurality of operation keys in a vertical and horizontal matrix, and the operation keys The lamps are arranged on the left and right of each row.

  According to a fourth aspect of the present invention, in the first to third aspects, the first key group for performing an input operation is arranged at the top of the operation panel, and the key group for performing an operation after these key inputs is provided. , Arranged below the first key group.

  By the configuration according to the first aspect of the present invention, it is configured to display only the keys that can be input, compared to a case where all the keys are arranged on the entire panel surface of the operation panel by printing, The time for searching for keys that can be input can be shortened, and the operability can be greatly improved.

  According to the configuration of the second aspect of the present invention, the key for performing the operation is clearly displayed by changing the color of the key for performing the input operation and the key for performing the input operation after this key input. The operability can be greatly improved.

  According to the configuration of the third aspect of the present invention, the keys for selecting and inputting at the same timing are arranged side by side and the lamps are arranged on the left and right of these, so that the lamps can be used for light emission of a plurality of keys. The cost can be reduced by reducing the number of parts.

  According to the configuration described in claim 4 of the present invention, the keys are arranged from top to bottom according to the order of the input operations, so that the key input operations can be performed sequentially from top to bottom, and the operability is improved. It can be improved.

  An embodiment according to the present invention will be described first with reference to FIG. 1. Reference numeral 1 denotes a cooker main body which is used in a system kitchen or the like, for example. An operation panel 3 is arranged adjacent to the side of the screen.

  FIG. 2 shows an embodiment of the operation panel 3, in which a display 4 composed of a liquid crystal panel, a fluorescent display tube or the like is disposed at the top, and an operation section 5 is provided below the display. .

  The display 4 displays a plurality of automatic menus 6 for automatic cooking, a manual menu 7 for manual operation, a setting display unit 8 for displaying temperature and output, and a time and a timer. A timer unit 9 and the like are arranged.

  The operation unit 5 is composed of a colored resin panel or a colored glass plate on the back surface, which displays nothing by smoke such as black when not energized, and a plurality of operations indicating operation positions on the back surface. Keys 10 ... are printed. Thereby, when the cooker main body 1 is not used, as shown in FIG. 1, nothing is displayed on the operation unit 5 of the operation panel 3.

  The display 4 is configured to turn off and display nothing when the standby power is reduced by the power saving function. When displaying the clock, the timer unit 9 displays the clock. You may comprise so that it may perform.

  On the other hand, the operation keys 10 are configured so that operation keys to be displayed simultaneously are arranged side by side. For example, in the case of the embodiment, the lock key 21 for setting the key lock and the sound volume are set. The voice key 22 to be operated and the operation panel key 23 for returning the operation panel 3 to be inclined or vertical are arranged side by side, and the automatic cooking key 24 for selecting and setting the automatic cooking menu below these keys and the manual cooking menu are selected. A manual cooking key 25 to be set and a finishing key 26 to set the finished state of cooking to be hard or soft are arranged side by side, and temperature keys 27 and 28 for setting the cooking temperature are arranged side by side below these keys. Three time keys 29, 30, 31 for setting the time and timer time are arranged side by side below these keys, and a star is placed below these time keys. It is arranged the key 32 and cancel key 33.

  As shown in FIG. 3, a first light guide plate 40 for simultaneously displaying the lock key 21, the voice key 22, and the operation panel key 23 is disposed on the back side of each key, and the automatic cooking key 24 and the manual cooking key are arranged. The second, third, and fourth light guide plates 41, 42, and 43 for individually displaying these are arranged on the back side of the 25 and finish keys 26, and these are simultaneously displayed on the back side of the temperature keys 27 and 28. A fifth light guide plate 44 is disposed, and a sixth light guide plate 45 for simultaneously displaying them is disposed on the back side of the time keys 29, 30 and 31, and these are individually displayed on the back side of the start key 32 and the cancel key 33. Seventh and eighth light guide plates 46 and 47 are arranged.

  Each of the light guide plates is formed in a substantially L shape or a gate shape, and LED lamps 48 for emitting a plurality of colors are arranged so as to face the bent lower end surfaces.

  Furthermore, in the first, fifth, and sixth light guide plates 40, 44, and 45, the lock key 21, voice key 22, operation panel key 23, temperature keys 27 and 28, and time key 29 that are selected and set at the same timing. , 30 and 31 are arranged side by side, and a plurality of operation keys are simultaneously displayed on these light guide plates, so that the LED lamps 48. It is possible to reduce the number of parts and reduce the cost.

  Reference numeral 49 denotes an operation board for detecting an input operation of each operation key 10..., For example, by the electrostatic capacity method described in USP 5,730,165, USP 6,452,514, USP 6,466,036. The input operation is detected by the touch of the finger to the printing range of each operation key 10... Of the unit 5.

  With these configurations, for example, when the door 2 is opened, this is detected by a control circuit to be described later, and as shown in FIG. The lock key 21, the voice key 22, and the operation panel key 23 emit blue light, and the second, third, and eighth light guide plates 41, 42, and 47 are lit white, for example, as a selection input first. Then, the automatic cooking key 24, the manual cooking key 25, and the cancel key 33 emit white light.

  Next, for example, when the automatic cooking key 24 is turned on and automatic cooking is selected, the selected automatic cooking key 24 is continuously lit while being white as shown in FIG. The automatic menu 6... Is displayed, the automatic cooking menu 24 is selected by turning on the automatic cooking key 24, and the manual cooking key 25 and the finish key 26 are changed to purple, for example, and correction input can be performed. To display.

  Further, the start key 32 and the cancel key 33 for performing the next input operation emit light in white, and the key for performing the next operation is clearly displayed.

  When the automatic cooking menu is confirmed, by turning on the start key 32, the start key 32 is changed to orange, for example, as shown in FIG. 24 is displayed in white as it is to indicate that automatic cooking is being performed, and the manual cooking key 25 and the finishing key 26 that are no longer necessary to operate are turned off.

  With these configurations, only the operation keys that can be input are displayed according to the input operation status, and the keys to be operated next are displayed by changing the emission color, thereby facilitating selection of the keys to be operated. The operability can be greatly improved.

  On the other hand, when the manual cooking key 25 is turned on in FIG. 5A and manual cooking is selected, for example, as shown in FIG. 5D, the manual cooking key 25 and the time keys 29, 30,. 31 is displayed in white so as to be selected and input, and the automatic cooking key 24 and the finish key 26 are changed to purple, for example, so that correction input can be performed.

  Next, if the cooking time is set by operating the time keys 29, 30, and 31, the start key 32 emits white light as shown in FIG. If the start key is turned on, cooking starts.

  Further, when the manual cooking key 25 is turned on a plurality of times in FIG. 5A and oven cooking is selected as shown in FIG. 5F, the temperature keys 27 and 28 are displayed in white, and then these are selected. When the cooking temperature is set by operating these temperature keys, the time keys 29, 30, and 31 are displayed in white as shown in (g) and are input. indicate.

  When the cooking time is set and inputted by operating the time keys 29, 30 and 31 in (g) above, the start key 32 emits white light and is displayed for operation as shown in (h). Therefore, if the start key is turned on here, oven cooking is started.

  As described above, when performing oven cooking, for example, the manual cooking key 25, the temperature keys 27 and 28, the time keys 29, 30, and 31, the start key 32, and these keys are sequentially operated from top to bottom. With this configuration, the time for searching for the next key to be operated can be greatly shortened, and the operability can be improved.

  In the case of the above embodiment, it is configured to operate from the top to the bottom when cooking in the oven, but without being limited to this, by setting it to cooking that seems to be frequently used, further ease of use is achieved. It can be improved.

  In addition, arrangement | positioning and light emission color of each operation key in the said Example show an example, and are not limited to these, What is necessary is just to change the function of the cooker main body 1, etc. as needed.

  FIG. 5 shows an embodiment of the control circuit 50 constituting the control means. A power supply circuit 53 is connected to a commercial AC power supply 51 via a door switch 52 that opens and closes a contact according to the opening and closing of the door 2. At the same time, a microcomputer 54 is connected to the output of the power supply circuit.

  Further, a display circuit 55 for driving the display device 4, a buzzer circuit 57 for operating the buzzer 56, and a motor 58 for inclining the operation panel 3 by an electric motor are driven at the output port of the microcomputer 54. A motor drive circuit 59, an electromagnetic valve drive circuit 61 for driving an electromagnetic valve 60 for controlling fuel supply to a gas burner (not shown), which is a heat source of the cooker body 1, and an igniter 62 for igniting the gas burner are operated. An igniter drive circuit 63 is connected to an interior light drive circuit 65 that blinks an interior light 64 that illuminates a cooking chamber (not shown) formed inside the door 2, and the door 2 is opened and closed similarly to the input port. The output of the door opening / closing detection circuit 66 to be detected, the output of the key input circuit 67 configured to detect the input of each operation key 10... The output of the internal temperature detection circuit 68 that detects the temperature of the cooking chamber (not shown) and the output of the flame detection circuit 69 that detects the ignition of the gas burner are connected, and a memory 70 for data storage is provided at the input / output port. Connected.

  Reference numeral 71 denotes a self-holding circuit connected to the output port of the microcomputer 54. The output drives a self-holding relay contact 72 connected in parallel to the door switch 52. The door 2 is opened. When the door switch 52 is closed and the microcomputer 54 is energized from the power circuit 53, the relay contact 72 is closed by the output of the self-holding circuit, and the door 2 is closed by the start of cooking and the door switch 52 is opened. The power supply circuit 53 is energized via the relay contact 72 to continue cooking.

  The microcomputer 54 is used when a predetermined time elapses after cooking is completed, or when there is no input operation of each operation key arranged on the operation unit 5 even if a predetermined time elapses after the door 2 is closed. The relay contact 72 is opened to cut off the power supply to the power supply circuit 53, so that power is not consumed during so-called standby.

It is a front view which shows the Example of this invention. It is a front view of an operation panel similarly. It is the front view (a) and perspective view (b) of the principal part. It is a front view of the operation panel which similarly shows the operation procedure. It is a circuit block diagram similarly.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cooker body 3 Operation panel 10 Operation key 48 LED lamp 50 Control circuit (control means)

Claims (4)

An operation panel that inputs cooking conditions such as cooking time is placed at the appropriate place on the main body of the cooker, and this operation panel consists of a touch panel that detects input operations from changes in capacitance, and is operated on the back of this touch panel. The operation key indicating the position is printed, and a plurality of lamps are arranged corresponding to the operation keys at appropriate positions on the back side of the operation panel, and only the operation keys requiring the input operation are displayed by the control means. The cooking device is characterized in that it is configured to control the lighting of the lamp. The lamp is configured to be capable of emitting two or more colors, and the control means is configured to make the emission color of an operation key for performing an input operation different from the emission color of an operation key for performing an input operation. The heating cooker according to claim 1. Among the above operation keys, the operation keys that perform the selection operation at the same time are arranged side by side, a plurality of operation keys are arranged in a vertical and horizontal matrix, and the lamps are arranged on the left and right of each row of the operation keys. The heating cooker according to claim 1 or 2. The first key group for performing an input operation first is arranged at the upper part of the operation panel, and the key group for performing an operation after these key inputs are arranged below the first key group. Item 4. The cooking device according to items 1 to 3.