JP3826112B2 - Cooker - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cooker with improved display.
[0002]
[Prior art]
Conventionally, in the heating cooker, cooking end annunciation, the notification and by the buzzer, the notification has been known by the interior lamp control. The notification by the interior light control is such that the interior light is turned on during cooking and is turned off when finished.
[0003]
[Problems to be solved by the invention]
However, in the notification by the buzzer, it is difficult to hear if it is not near the heating cooker at the time of notification, and in the case of the interior light control notification, the interior light is provided outside the interior (heating chamber), There was a problem that it was very difficult to see because the interior was illuminated through the punching metal.
[0004]
This invention is made | formed in view of the said situation, The objective is to provide the heating cooker which can recognize completion | finish of cooking reliably from the place far away from the heating cooker.
[0005]
[Means for Solving the Problems]
The invention of claim 1 is a heating chamber for accommodating an object to be heated,
Heating means for heating an object to be heated;
An operator that is provided on the operation panel and performs setting and instruction of conditions related to heating control by pressing operation or rotating operation;
A display having a plurality of display units configured by light emitting means and arranged on the operation panel so as to surround the entire periphery of the operation unit instructing to start heating among the operation units. Means and
This display means is characterized in that the number of light emission of the display section increases as the cooking by the heating means proceeds, and lights up in a ring shape when cooking is completed.
[0006]
According to the invention of claim 1, the display means has a configuration in which a plurality of display portions are arranged so as to surround the entire circumference of the operation element instructing the start of heating , and the plurality of display portions are configured from the light emitting means. Since the number of light emission of the display unit increases with the progress of cooking and is turned on annularly at the end of cooking, the end of cooking can be recognized well even from a distance from the cooking device. Moreover, the progress of cooking can be notified in accordance with the increase in the number of light emission, and the progress of cooking can be recognized well.
[0009]
Furthermore, well as in the invention of claim 2, provided with a plurality of heating means having a structure different from the pressurized heat means, even as the emission color of the display unit according to the respective heating means, or setting finishing temperature is changed In this way, it becomes possible to distinguish and display range cooking (which uses a heating means consisting of a magnetron) or oven cooking or grill cooking (which uses a heating means consisting of a heater) Alternatively, the set finishing temperature can be displayed.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment in which the present invention is applied to a microwave oven with an oven function will be described with reference to FIGS. First, in FIG. 2, a heating chamber 2 that accommodates an object to be heated is formed inside the range body 1, and a door 3 for opening and closing the heating chamber 2 is provided on the front surface of the range body 1. . An operation panel 4 is provided on the front side of the range body 1 at the side of the door 3.
[0011]
As shown in FIG. 4, the operation panel 4 includes a start key 5 that is a circular heating start key that is operated to be pressed as an operator, a time setting dial 6 that is rotated, and cooking mode selection keys 7a to 7e. A cancel key 7f, temperature / finish control keys 8a and 8b, a raw thawing key 9, a drink key 10 and the like are provided, and a liquid crystal display 12 is provided. Each key is used to set and instruct conditions related to heating control. The time setting dial 6 is also used for temperature setting.
[0012]
Further, the operation panel 4 is provided with a display device 13 as display means. As shown in FIGS. 1 and 5, the display device 13 includes a plurality of, for example, eight light emitting diodes L <b> 1 to L <b> 8 that can be turned on so as to surround the start key 5 that is an operator. The light emitting diodes L1 to L8 are arranged in rooms H1 to H8 (shown schematically in FIG. 1) in which the outer periphery of the start key 5 is equally divided by the light shielding wall 14. And the light transmission filter 15 is arrange | positioned in the upper surface (surface of the same height as the operation panel 11) of each room H1-H8. In addition, each light emitting diode L1-L8 is the same luminescent color.
[0013]
As shown in FIG. 5, a printed circuit board 16 is disposed on the back side of the start key 5, and the printed circuit board 16 is operated by being pressed by the start key 5 and the light emitting diodes L1 to L8. Has been implemented. Further, a rotary encoder 25 (see FIG. 3) corresponding to the time setting dial 6 is also provided, but a switch is provided corresponding to each key 7a to 7f, 8a, 8b, 9, 10 although not shown.
[0014]
FIG. 3 shows a block diagram of the electrical configuration. The control circuit 18 includes a microcomputer, a drive circuit, an A / D converter, and the like, and functions as a heating operation control unit and a display control unit. The magnetron 19 serving as a heating means is provided in a machine room (not shown) of the main body 1, and is for supplying microwaves into the heating chamber 2 to perform range cooking. The heater device 20 as another heating means is for performing oven cooking or grill cooking, and includes a heater provided in the upper part of the heating chamber 2, a heater provided in the lower part (not shown), and the like. It is prepared for.
[0015]
An oven thermistor 21 as temperature detecting means is provided in the main body 1 so as to detect the temperature in the heating chamber 2. An infrared temperature sensor 22 as another temperature detecting means is provided on the main body 1 so as to detect the temperature of an object to be heated (food) in a non-contact manner. The switch input circuit 23 includes the switch 17 and other switches, and inputs a switch signal from the switch corresponding to the operated key to the control circuit 18. A door opening / closing sensor 24 serving as a door opening / closing detection means is provided in the main body 1 so as to detect opening and closing of the door 3. The rotary encoder 25 generates pulses according to the rotation amount in conjunction with the rotation operation of the time setting dial 6 and inputs the pulses to the control circuit 18, and the control circuit 18 sets the time according to the number of pulses. Set. The turntable motor 26 is for driving a rotating plate (not shown) provided in the heating chamber 2. The buzzer 27 performs an end notification or the like.
[0016]
The control circuit 18 controls the magnetron 19, the heater device 20, the liquid crystal display 12, the turntable motor 26, the light emitting diodes L1 to L2, and the buzzer 27 according to each input in accordance with the operation program stored in the memory of the microcomputer. It has become. The output of the magnetron 19 is variable.
[0017]
The control circuit 18 controls the display device 13 as follows. For example, when cooking is set by the key 7e and the cooking time (Tk) is set by the time setting dial 6 and the start key 5 is pressed, cooking by the magnetron 19 is started. Is done. Then, the control circuit 18 divides the set cooking time Tk into eight equal parts (Tk / 8) and emits light in the first Tk / 8 time zone (FIG. 6A) as shown in FIG. The diode L1 was repeatedly turned on for 0.5 seconds and turned off for 0.5 seconds (blinking at intervals of 0.5 seconds), and the light emitting diode L1 was turned on in the next Tk / 8 time zone ((b) in the figure). As it is, L2 is blinked at intervals of 0.5 seconds, and each time Tk / 8 elapses, the blinking one is turned on and the number of light emitting diodes to be blinked is increased. When the last Tk / 8 time zone is reached, the light emitting diode L8 blinks (the others are lit). In this way, the display area increases as the cooking time elapses, and finally becomes circular.
[0018]
And when the set time Tk of the heating cooking elapses (when cooking is finished), as shown in FIG. 7, all the light emitting diodes L1 to L8 are lit for 0.5 seconds ((a) in the figure), All the lights are turned off for 0.5 seconds ((b) in the figure), and then all the lights are turned on for 0.5 seconds ((c) in the figure), all lights are turned off for 0.5 seconds ((d) in the figure), and all the seconds are turned off. Turn on ((e) in the figure) and turn off completely ((f) in the figure) (flashing for 0.5 seconds is executed three times). In this way, the end notification is made. In synchronization with this blinking, the buzzer 27 is turned on and off.
[0019]
Thereafter, when the door 3 is not opened (when the contents in the heating chamber 2 are not taken out), the flashing is performed three times for 0.5 seconds every time one minute elapses (remind alarm notification). function).
[0020]
According to such a present Example, since completion | finish of cooking is alert | reported by the display apparatus 13 provided in the operation panel 4, Even if it is far away from a heating cooker, completion | finish of cooking can be recognized favorably.
[0021]
In addition, according to the present embodiment, the display device 13 is configured such that the plurality of light emitting diodes L1 to L8 are arranged so as to surround the start key 5, so that the display is easy to see and the end of cooking can be recognized better. become.
[0022]
Furthermore, since the display unit is composed of light emitting diodes L1 to L8 which are light emitting means, and the number of light emitting diodes L1 to L8 changes (increases) according to the progress of cooking, the progress of cooking is also emitted. Notification can be made according to the increase in the number , and the cooking progress can be recognized well. In particular, since the place where the light emitting portion is switched blinks, it becomes easier to grasp the progress.
[0023]
The embodiment of the present invention may be modified as follows.
The display unit is composed of light emitting means capable of changing the light emission color, for example, multicolor light emitting diodes or two-color light emitting diodes, and cooking using a magnetron as a heating means (range cooking) and a heater device as another heating means are used. The light emission color of the display unit may be changed in accordance with the selection of the heating cooking (oven cooking or grill cooking). Alternatively, the light emission color of the display unit may be changed in accordance with the set finishing temperature, and in this way, range cooking (which uses heating means made of magnetron), oven cooking or grill cooking (this) Can be displayed separately, or the set finishing temperature can be displayed. Furthermore, the emission color may be changed according to the temperature during cooking.
[0024]
Further, an operation element that serves both as a start key and a time setting dial may be provided, and display means may be provided so as to surround the operation element. In addition, the display means may be provided above the central portion of the operation panel, which makes it easier to see.
[0025]
【The invention's effect】
As is apparent from the above description, the present invention has an effect that the end of cooking can be surely recognized even from a distance from the cooking device , and the cooking progress can be well recognized .
[Brief description of the drawings]
FIG. 1 is a front view of a start key portion showing an embodiment of the present invention. FIG. 2 is a perspective view of a heating cooker. FIG. 3 is a block diagram of an electrical configuration. ] Front view of the start key section [Figure 6] Figure showing changes in display pattern during cooking [Figure 7] Figure showing changes in display pattern at the end of cooking [Description of symbols]
1 is a range body, 2 is a heating chamber, 3 is a door, 5 is a start key (operator), 6 is a time setting dial (operator), 13 is a display device (display means), L1 to L8 are light emitting diodes (display) Part), 17 is a switch, 18 is a control circuit (display control means), 19 is a magnetron (heating means), and 20 is a heater device (heating means).

Claims (2)

A heating chamber for storing an object to be heated;
Heating means for heating an object to be heated;
An operator that is provided on the operation panel and performs setting and instruction of conditions related to heating control by pressing operation or rotating operation;
A display having a plurality of display units configured by light emitting means and arranged on the operation panel so as to surround the entire periphery of the operation unit instructing to start heating among the operation units. Means and
The display means has a configuration in which the number of light emission of the display section increases as the cooking by the heating means proceeds, and lights up in a ring shape when cooking is completed.   The cooking device according to claim 1, wherein a plurality of heating means having different configurations are provided as the heating means, and the light emission color of the display unit is changed according to each heating means or a set finishing temperature.

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