JPH0799263B2 - Cooking device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooker for heating foods for cooking.

[0002]

2. Description of the Related Art A gas stove has a plurality of burners (small-burner burner, medium-burner burner, large-burner burner), a point / fire switch for igniting and extinguishing these burners, a knob for adjusting the firepower, and a burner. A power switch having a usable cooking position and a stop position for disabling the burner, an abnormality detecting means for detecting an abnormality related to the operation of the burner, and a cause of the abnormality are stored as abnormality information for each burner associated with the abnormal state. It is known to have a storage means and one display for displaying the cause of the abnormality with a preset error code. Here, in order to display the cause of abnormality for each burner on one display, conventionally, a display changeover switch for sequentially changing display contents is used.

[0003]

However, the above-mentioned conventional gas stove has the following drawbacks. (A) A display changeover switch for changing over display contents is required, the number of operating devices such as switches and knobs increases, the operation panel becomes complicated, and the user is confused during cooking. (Ii) Even if the display changeover switch is operated to sequentially display the error code on the display, it is not easy to know which burner the displayed error code belongs to. (U) Since the cause of the abnormality is sequentially displayed by operating the display changeover switch, even the information about the heating source that does not need to be confirmed is displayed, and the cause of the abnormality of the heating source to be confirmed cannot be immediately known. An object of the present invention is to provide a cooking device that can display only the cause of abnormality related to a heating source for which it is desired to confirm the cause of abnormality among a plurality of heating sources on a display device and does not need to additionally provide a display changeover switch. It is in.

[0004]

[Means for Solving the Problems] In order to solve the above problems,
The present invention has the following configurations. (1) A plurality of heating sources, mode selecting means for selecting a cooking mode in which the plurality of heating sources can operate and an abnormality confirmation mode in which the plurality of heating sources cannot operate, and an abnormality that occurs in association with the operation of each of the heating sources. An abnormality detection means for detecting the cause of the abnormality,
Storage means for storing the cause of abnormality detected by the abnormality detecting means as abnormality information for each heating source, an indicator for displaying the cause of abnormality, and an operating position and a stop position that can be manually switched for each heating source And an abnormality cause display means for displaying on the display the abnormality information corresponding to the operating device in the operating position when the abnormality confirmation mode is selected. (2) Furthermore, when the priorities are set in advance to the plurality of heating sources and the abnormality confirmation mode is selected, the heating source having the highest priority among the heating sources related to the operating device in the operating position is supported. An abnormality cause priority display means for displaying the cause of abnormality on the display is provided. (3) In addition to the configuration of (1) or (2) above, an abnormality notification lamp is provided in the vicinity of each operation device, and the abnormality notification lamp corresponding to the cause of the abnormality displayed on the display is turned on or blinks.

[0005]

[Operation and effect of the invention]

[Claim 1] The mode selecting means is set to the cooking mode, and the operating device associated with the heating source to be used is set to the operating position to operate the heating source. When an abnormality occurs, the abnormality detecting means detects it, and the storing means stores the cause of the abnormality as abnormality information for each heating source. When the operating device is once returned to the stop position, switched to the abnormality confirmation mode, and only the operating device relating to the heating source to be confirmed is set to the operating position, the cause of abnormality corresponding to the heating source is displayed on the display. The display changeover switch can be replaced with an operating device, and the number of switches does not increase. It is possible to display only the cause of abnormality related to the heating source for which the cause of abnormality is to be confirmed on the display. [Claim 2] A cooking mode is selected, and the operating device associated with the heating source to be used is set to the operating position to operate the heating source. When an abnormality occurs, the abnormality detecting means detects it, and the storing means stores the cause of the abnormality as abnormality information for each heating source.
When the operating device is once returned to the stop position, switched to the abnormality confirmation mode, and only the operating device relating to the heating source to be confirmed is set to the operating position, the cause of the abnormality corresponding to the heating source is displayed on the display. In addition, when an abnormality is detected in two or more heating sources and the operating devices related to those heating sources are in the operating position in the error confirmation mode, the heating source with the highest priority among the heating sources related to those operating devices is detected. The cause of the abnormality corresponding to the heating source is displayed on the display. If an error is detected in two or more heating sources, even if you forget to return those operating units to the stop position and enter the error confirmation mode, the error cause corresponding to the heating source with a high priority will not be displayed without malfunction. Can be displayed on. [Claim 3] It is possible to easily know which heating source causes the abnormality displayed on the display unit by turning on or blinking the abnormality notification lamp.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. As shown in the figure, the cooking device A includes a large burner 11 as a heating source, a standard burner with a temperature control function (hereinafter referred to as "temperature control burner").
12, standard burner 13, grill burner 14,
It is provided with operation knobs 21, 22, 23, 24 for igniting / extinguishing the burners and checking errors, a display device 3 for displaying an error code, a power switch 4, and a control device 5. In this embodiment, the priority of error display on the display 3 is determined in the order of the large burner 11, the temperature control burner 12, the standard burner 13, and the grill burner 14.

As shown in FIG. 1, the large burner 11 (4100
kcal / h), temperature control burner 12 (2300 kcal / h)
h), and standard burner 13 (2300 kcal / h)
Are arranged on the left, right and rear of the top plate, respectively, and the grill burner 14 (1950 kcal / h) is arranged inside the grill cabinet 15. A thermosensitive cylinder 120 is biased upward in the concave portion of the temperature control burner 12, and a thermistor 101 for detecting the temperature of the bottom of the cooking container is arranged in the thermosensitive cylinder 120. In the gas circuit of the burner shown in FIG. 4, 100 is a source solenoid valve, 111 and 121 are throttle solenoid valves, 112 and 122 are solenoid valves for proportional valves, 113,
Reference numeral 123 is a proportional valve, and 133 and 144 are main valves. Each burner uses a throttle solenoid valve, a solenoid valve for a proportional valve, etc. so that the thermal power step can be smoothly changed from the minimum to the maximum. For example, in the temperature control burner 12, the proportional valve solenoid valve 122 is closed and the proportional valve 123 is opened to a large extent to determine the gas flow rate at the thermal power step 1st speed, which is the minimum thermal power, and the proportional flow valve 123 is enlarged. Speed ~ 8
At high speed, the throttle solenoid valve 111 and the proportional valve solenoid valve 122 are opened, and the gas flow rate is determined by the opening of the proportional valve 123.

The operation knob 22 (similarly to 21 and 23) shown in FIG. 1 is connected with an encoder 221 for adjusting the heat power and a knob switch 222, and when pushed, it projects (ignition position) and an electrical contact of the knob switch 222. To the closed state. Further, when it is pressed again, it becomes flush with the panel surface (fire extinguishing position), and the contact of the knob switch 222 is opened. In addition, the operation knob 22 is used to adjust the heat power of the temperature control burner 12.
Is performed by rotating, and the number of lighting of the thermal power display LED 223 above the operation knob 22 is increased or decreased according to the thermal power.

The display device 3 is a fluorescent display tube type display, and as shown in FIG. 2, the remaining time (upper left) of the grill timer, a predetermined time (upper center, upper right) or a set temperature (upper right) described later, The error code (upper right), the indication of grill use and the strength of its fire power (lower left), and the cooking operation mode (lower right character) are displayed as appropriate.

When the power switch 4 is in the on position, the burner can use the cooking mode. When the power switch 4 is in the off position, the cancel key 605 and the grill capacity switching key 606, which will be described later, are simultaneously pressed to enter the abnormality confirmation mode.

The control device 5 is composed of an electric circuit equipped with a microcomputer, and each unit has a combustion control section (511), a normal display control section (512), a safety control section (513), and an abnormality detection control section. A large burner control unit, a temperature control burner control unit 51, a standard burner control unit, and a grill control unit each provided with (514), and a storage unit 501 commonly used by each unit and an abnormality content display control. The unit 502 is provided. As an example, FIG. 5 shows a state of electric wiring around the temperature control burner control unit 51 (wiring of other units also conforms to this), and each control unit has an indicator 3, a power switch 4, and a knob switch 222. , An encoder 221, a timer setting switch 600 that determines a predetermined time, a timer set key 601 that changes the cooking operation mode by pressing operation, and a temperature setting (high / low) key 60 that sets the temperature of the "fried food cooking operation"
2, boiling key 603 to select "boiler operation", rice cooking key 604 to select "boiled rice cooking operation", cancel key 605 to cancel each cooking operation, temperature control burner 12 is placed in the proper place to detect burning flame A thermocouple 102 for generating electric power,
The thermistor 101, the grill capacity switching key 606 that changes the capacity of the grill burner 14 in two stages, the sparker 103 for igniting the temperature control burner 12, the original solenoid valve 100, the throttle solenoid valve 121, the solenoid valve 122 for the proportional valve, the proportional Valve 123,
Grill lamp 607, Stewed lamp 608 that lights up during "boiled cooking operation", Timer cut lamp 609 that lights up during "timer cut operation" that automatically extinguishes when a predetermined time has elapsed, "Notification operation" that a buzzer sounds after a predetermined time has elapsed Notification lamp 610 that lights up in the case of, fried food lamp 611 that lights up during the "fried food cooking operation", water boiling lamp 612 that lights up during the "water boiling operation", rice cooking lamp 613 that lights up during the "rice cooking operation", and an error occurs The buzzer 31 for notifying the user is electrically connected.
The operation unit 6 shown in FIG. 3 is provided in the kangaroo pocket together with the operation units of other burners.

Next, in the cooking device A, the operation of the control device 5 regarding the error processing part will be described with reference to the flowchart of FIG. An error has occurred and this is reported by the controller 5
When it is detected, the control device 5 closes the solenoid valve of the burner related to the error and automatically extinguishes the burner. The abnormality detection control unit in the control unit of the burner related to the error stores the detected abnormality cause in the storage unit 501 as abnormality information regarding the burner. If there are multiple causes of error, the latest one is stored. Further, when the power switch 4 is in the ON position, the buzzer 31 is sounded every one minute until the operation knob of the burner related to the error is returned to the fire extinguishing position, and the heat power display LED of the operation knob for operating the burner related to the error is activated. Blink all numbers to inform the user which burner has an error. Confirmation of the error content in this state is performed as follows.

In step 701, it is determined whether the power switch 4 is on, and if it is off (NO), step 7 is executed.
If it is ON (YES), the display is normally displayed on the display device 3, and the process returns to step 701. Step 702
Then, it is determined whether or not the abnormality confirmation mode is selected, that is, whether or not the cancel key 605 and the grill capacity switching key 606 are simultaneously pressed, and if they are pressed (YES), the process proceeds to step 703 and is pressed. If not (NO), display 3
Then, the normal display is performed and the process returns to step 701. Step 70
In step 3, it is determined whether or not the operation knob 21 of the large burner 11 is in the ignition position. If there is (YES), the process proceeds to step 704, and if there is no (NO), the permission to display the error content related to the large burner 11 is canceled. Go to step 705. In step 704, the display of the error content related to the large burner 11 is permitted, and the process proceeds to step 705. In step 705, it is determined whether or not the operation knob 22 of the temperature control burner 12 is in the ignition position. If there is (YES), the process proceeds to step 706, and if there is no (NO), the error content related to the temperature control burner 12 is displayed. The permission is canceled and the process proceeds to step 707. Step 7
In 06, the display of the error content related to the temperature control burner 12 is permitted, and the process proceeds to step 707. In step 707, it is determined whether or not the operation knob 23 of the standard burner 13 is in the ignition position. If yes (YES), the process proceeds to step 708. If no (NO), the display permission of the error content related to the standard burner 13 is permitted. Go to cancel step 709. Step 70
In step 8, the display of the error content related to the standard burner 13 is permitted, and the process proceeds to step 709. In step 709, it is determined whether or not the operation knob 24 of the grill burner 14 is in the ignition position. If yes (YES), the process proceeds to step 710, and if not (NO), the permission to display the error content related to the grill burner 14 is canceled. Proceed to 711. Step 7
At 11, the error content relating to the burner having the highest priority among the display-allowed error content is displayed on the display unit 3 with a predetermined error code, and the heat power display LED above the operation knob of the burner is displayed. Blink all and return to step 701.

The advantages of the cooker A of this embodiment will be described below. (A) In the abnormality confirmation mode, the operation knobs 21, 22,
Since 23 and 24 fulfill the function of the display changeover switch, it is not necessary to newly provide the display changeover switch, and the number of switches does not increase. Further, since the display changeover switch which is not directly related to cooking is not arranged in the operation section 6 or the like, the user does not get confused when cooking. (A) In the abnormality confirmation mode, since the burner power display LED of the burner relating to the error code displayed on the display 3 is blinking, it is easy to know which burner the error belongs to. (C) When an error related to two or more burners is detected, even if you forget to return the operation knobs to the stop position and enter the error confirmation mode, the error code related to the burner with the highest priority among the burners. Can be displayed on the display unit 3 and no malfunction occurs.

[Brief description of drawings]

FIG. 1 is an overall view of a cooking device according to an embodiment of the present invention.

FIG. 2 is a front view of an indicator arranged on the cooking device.

FIG. 3 is a front view of an operation unit arranged in the cooking device.

FIG. 4 is a gas circuit diagram of the gas table.

FIG. 5 is a connection diagram around the control device of the gas table.

FIG. 6 is a flowchart showing the operation of the control device of the part related to error code display.

[Explanation of symbols]

 A Cooking device 3 Indicator 4 Power switch 5 Control device 11 Large burner 12 Temperature control burner 13 Standard burner 14 Grill burner 21, 22, 23, 24 Operation knob 101 Thermistor 102 Thermocouple 605 Cancel key 223 Fire power display LED 502 Abnormality content display control Section (error cause display means) 511 Combustion control section

Claims (3)

[Claims] 1. A plurality of heating sources, a mode selection means for selecting a cooking mode in which the plurality of heating sources can operate and an abnormality confirmation mode in which the plurality of heating sources cannot operate, and a mode selection means that occurs in association with the operation of each of the heating sources. An abnormality detection unit that detects an abnormality including the cause of the abnormality, a storage unit that stores the abnormality cause detected by the abnormality detection unit as abnormality information for each heating source, an indicator for displaying the abnormality cause, and an operation. An operating device provided for each heating source that can be manually switched between a position and a stop position, and when the abnormality confirmation mode is selected, the abnormality information corresponding to the operating device in the operating position is displayed on the display device. A cooking device provided with means for displaying an abnormality cause. 2. When the priorities are set in advance for the plurality of heating sources and the abnormality confirmation mode is selected, the heating source having the highest priority among the heating sources related to the operating device in the operating position is supported. The cooking device according to claim 1, further comprising an abnormality cause priority display means for displaying the cause of the abnormality on the display device. 3. The cooking device according to claim 1, wherein an abnormality notification lamp is provided near each of the operation devices, and the abnormality notification lamp corresponding to the cause of the abnormality displayed on the display is turned on or blinks. .